1 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
3 Fix PR tree-optimization/27093
4 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5 renaming when they become not-used_alone.
7 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
10 relocation and relocation stubs.
12 2006-05-08 Eric Christopher <echristo@apple.com>
14 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
17 2006-05-08 Jan Hubicka <jh@suse.cz>
20 * cgraphunit.c (decide_is_function_needed): When not optimizing even
21 unused static functions are needed.
23 2006-05-08 Roger Sayle <roger@eyesopen.com>
26 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
27 of a reg_equiv_constant if the result is a legitimate constant.
29 2006-05-08 Uros Bizjak <uros@kss-loka.si>
32 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
33 standard 80387 constants, raise the cost to prevent
34 compress_float_constant() to generate load from memory.
36 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
38 * config/arm/constraints.md (c): Fix a typo.
40 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
43 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
46 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
48 (_mm_mwait): Likewise.
50 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
52 (sse3_monitor): Make it 32bit only.
53 (sse3_monitor64): New. 64bit monitor.
55 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
58 * config/i386/i386.c (classify_argument): Skip fields with invalid
61 2006-05-07 Richard Guenther <rguenther@suse.de>
63 PR tree-optimization/27409
64 * tree-ssa-structalias.c (get_constraint_for_component_ref):
65 Do not try to find zero-sized subvars.
68 2006-05-07 Richard Guenther <rguenther@suse.de>
70 PR tree-optimization/27136
71 * tree-ssa-loop-niter.c (get_val_for): Correct function
72 comment, assert requirements.
73 (loop_niter_by_eval): Stop processing if the iterated
74 value did not simplify.
76 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
78 * opts.c (flag_see): remove its setting at -O3.
80 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
82 * genpeep.c (main): Make insn-peep.c depend on flags.h.
83 * arm/constraints.md: New file.
84 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
85 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
86 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
87 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
88 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
89 (EXTRA_MEMORY_CONSTRAINT): Likewise.
90 * arm.md: Include constraints.md.
91 (thumb_movsi_insn): Use satisfies_constraint_J.
92 (movhi, movqi): Use satisfies_constraint_I.
94 2006-04-29 Anatoly Sokolov <aesok@post.ru>
96 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
97 for atmeg a645 device.
99 2006-05-06 Richard Guenther <rguenther@suse.de>
101 PR tree-optimization/27151
102 * tree-vect-transform.c (vectorizable_condition): Punt on
103 values that have a different type than the condition.
105 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
108 * c-parser.c (c_parser_cast_expression): Only insert casts into
109 hash table if pointer.
110 * function.c (used_types_insert_helper): Rename from
112 (used_types_insert): Call used_types_insert_helper.
113 * function.h (used_types_insert): Accept only one argument.
115 2006-05-05 David Edelsohn <edesohn@gnu.org>
117 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
118 scratch with output modifier.
120 2006-05-04 David Edelsohn <edelsohn@gnu.org>
123 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
124 with output modifier.
126 2006-05-04 Richard Sandiford <richard@codesourcery.com>
129 * config/mips/mips.c (mips_symbolic_address_p): Return true
130 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
131 SYMBOL_GOTTPREL, and SYMBOL_TLS.
133 2006-05-04 Richard Guenther <rguenther@suse.de>
135 PR tree-optimization/14287
136 PR tree-optimization/14844
137 PR tree-optimization/19792
138 PR tree-optimization/21608
139 PR tree-optimization/27090
140 * tree-ssa-pre.c (try_combine_conversion): New function.
141 (compute_avail): After constructing the value-handle
142 expression, use try_combine_conversion to combine NOP_EXPRs
143 with previous value-handle expressions and use the result if it
146 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
148 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
150 2006-05-04 Jan Hubicka <jh@suse.cz>
153 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
155 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
157 * config/bfin/predicates.md (const01_rtx): Tell generator programs
158 that this only matches CONST_INTs. All users changed to VOIDmode
161 * config/bfin/bfin.c: Include "optabs.h".
162 (bfin_rtx_costs): Some costs for vector operations, to allow combine
164 (enum bfin_builtins): Add a number of fractional and vector builtins.
165 (bfin_init_builtins): Likewise.
166 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
167 (safe_vector_operand, bfin_expand_binop_builtin,
168 bfin_expand_unop_builtin): New functions.
169 (bfin_expand_builtin): Handle the new builtins.
170 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
173 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
176 * Makefile.in (OBJS-common): Add see.o.
177 (see.o): Add dependencies.
178 * common.opt (fsee): New flag for the see optimization was added.
179 * opts.c (flag_see): Initialized.
180 * passes.c (init_optimization_passes, pass_see): New pass.
181 * rtl.h (see_main): Declaration as extern.
182 * timevar.def (TV_SEE): New.
183 * tree-pass.h (pass_see): Declaration as extern.
184 * invoke.texi (-fsee): Document.
185 * recog.c (validate_simplify_insn): New function.
186 * recog.h (validate_simplify_insn): Declaration as extern.
187 * df-problems.c (df_chain_dump): Check for NULL.
189 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
190 Daniel Berlin <dberlin@dberlin.org>
192 * cfgrtl.c (insert_insn_bb_end_new): New function.
193 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
195 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
197 * df.h (struct web_entry): Moved from web.c.
198 (union_defs): Declaration as extern.
199 (unionfind_root): Likewise.
200 (unionfind_union): Likewise.
201 * web.c (struct web_entry): Moved to df.h.
202 (unionfind_root): Remove static declaration.
203 (unionfind_union): Likewise.
204 (union_defs): Likewise and generalize to use callback function.
205 (web_main): Update arguments for union_defs function call.
207 2006-05-04 Richard Guenther <rguenther@suse.de>
209 PR tree-optimization/26447
210 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
211 produce SSA_NAME copies before the store stmt to avoid
212 breaking exception handling.
214 2006-05-04 Jakub Jelinek <jakub@redhat.com>
217 * gimplify.c (omp_is_private): If var is shared in some outer context,
218 return false instead of true. Stop searching on parallel context
221 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
224 * coverage.c: Use get_gcov_unsigned_t() instead of
225 unsigned_type_node all over.
227 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
229 PR tree-optimization/27381
230 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
231 maintain the same immediate_use links.
232 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
233 node rather than segfaulting.
235 2006-05-03 Jakub Jelinek <jakub@redhat.com>
238 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
239 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
240 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
242 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
244 Fix PR tree-optimization/26626
245 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
247 * tree-ssa-operands.c (access_can_touch_variable): Allow
248 typecasting through union pointers.
250 2006-05-02 Jakub Jelinek <jakub@redhat.com>
253 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
254 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
255 to find if var will be a global variable even in the nested context.
256 (omp_copy_decl): Only check for global variable at the end, it might
257 be overridden in outer contexts.
258 (scan_sharing_clauses): For global variables don't create a field.
259 (lower_rec_input_clauses): Do nothing for global shared variables.
260 Emit a barrier at the end of ILIST if there were any decls in both
261 firstprivate and lastprivate clauses.
262 (lower_send_clauses): Do nothing for global variables except for
265 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
267 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
268 of the correct signedness is returned.
270 2006-05-02 Jeff Law <law@redhat.com>
272 PR tree-optimization/27364
273 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
274 multiply expressions.
276 2006-05-02 Tom Tromey <tromey@redhat.com>
278 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
280 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
283 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
284 -mthumb -fPIC are used.
286 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
287 Joshua Kinard <kumba@gentoo.org>
290 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
291 with 64-bit pointers.
293 2006-05-02 Paul Brook <paul@codesourcery.com>
295 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
297 (create_fix_barrier): Check that a suitable barrier location is
299 (arm_reorg): Include ftmp->address in allowable range of addresses.
301 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
304 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
307 2006-05-02 Jakub Jelinek <jakub@redhat.com>
310 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
311 around RESULT_DECL for result passed by reference.
312 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
313 * omp-low.c (use_pointer_for_field): Don't look at
314 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
315 (scan_omp_1): Call remap_decl on RESULT_DECLs.
316 (lower_rec_input_clauses): Don't allocate VLA memory for the second
317 time or var for passing by reference for
318 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
319 TREE_ADDRESSABLE variables when passing by reference.
321 * omp-low.c (dump_omp_region): Fix output formatting.
324 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
325 (expand_omp_parallel): Likewise.
326 * tree-cfg.c (move_sese_region_to_fn): Likewise.
329 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
330 on statement list containing also constructors and destructors.
331 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
334 * except.c (duplicate_eh_regions): Fix clearing of
335 cfun->eh->region_array entries.
337 2006-05-01 DJ Delorie <dj@redhat.com>
339 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
341 (gcc_cv_objdump): Likewise.
342 * configure: Regenerated.
344 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
347 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
348 templates for case 3 and 4.
350 2006-05-01 DJ Delorie <dj@redhat.com>
352 * vec.c: Include bconfig.h when appropriate.
353 * Makefile.in (build/vec.o): Adjust dependencies.
354 * mkconfig.sh: Make sure config.h isn't used for build machine
357 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
359 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
361 (mark_phi_for_rewrite): New function.
362 (insert_phi_nodes_for, mark_use_interesting): Call
363 mark_phi_for_rewrite.
364 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
365 (update_ssa): Initialize and free phis_to_rewrite.
367 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
369 PR rtl-optimization/27291
370 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
371 folded to a constant.
373 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
375 PR tree-optimization/27283
376 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
377 not whole # of iteration descriptions.
378 (niter_for_exit): Return just # of iterations. Fail if # of iterations
379 uses abnormal ssa name.
380 (niter_for_single_dom_exit): Ditto.
381 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
382 return just the number of iterations.
384 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
386 PR tree-optimization/27144
387 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
388 (record_estimate): Only record constant upper bound.
389 (infer_loop_bounds_from_undefined): Call
390 compute_estimated_nb_iterations just once.
391 (proved_non_wrapping_p): Renamed to ...
392 (n_of_executions_at_most): ... this. Expect bound to be a constant.
393 (convert_step_widening, scev_probably_wraps_p): Call
394 n_of_executions_at_most instead of proved_non_wrapping_p.
395 (substitute_in_loop_info): Do not replace values in bounds.
396 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
399 2006-05-01 Richard Henderson <rth@redhat.com>
402 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
403 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
406 2006-05-01 Roger Sayle <roger@eyesopen.com>
408 * c-typeck.c (parser_build_binary_op): Don't call the function
409 unsigned_conversion_warning to spot operand/result type overflow.
410 (build_binary_op): Instead, call convert_and_check instead of
411 convert to report the problem when the operands are promoted.
412 * c-common.c (unsigned_conversion_warning): Make static.
413 * c-common.h (unsigned_conversion_warning): Delete prototype.
415 2006-05-01 Richard Guenther <rguenther@suse.de>
417 PR tree-optimization/26726
418 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
420 (find_interesting_uses_address): ... we work around here
421 by folding INDIRECT_REFs in the substituted base.
423 2006-05-01 Diego Novillo <dnovillo@redhat.com>
425 * omp-low.c (dump_omp_region): Add newlines.
427 2006-04-30 Roger Sayle <roger@eyesopen.com>
429 * common.opt (Woverflow): New command line option.
430 * c-common.c (constant_expression_warning): Check warn_overflow.
431 (overflow_waring): Pass OPT_Woverflow to warning.
432 (unsigned_conversion_warning): Likewise.
433 (convert_and_check): Likewise.
434 * doc/invoke.texi: Document new command line option.
436 2006-04-30 David Edelsohn <edelsohn@gnu.org>
438 * config/rs6000/rs6000.c (rs6000_override_options): Enable
439 TARGET_NO_FP_IN_TOC for section anchors.
440 (optimization_options): Enable section anchors for all
441 non-"Objective" languages.
443 2006-04-28 Eric Christopher <echristo@apple.com>
445 * config/darwin-c.c (darwin_ms_struct): Move this
446 (darwin_set_default_type_attributes): and this...
447 * config/darwin.c: ... here.
448 * config/darwin.h (darwin_ms_struct): Declare.
450 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
452 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
454 2006-04-28 Roger Sayle <roger@eyesopen.com>
457 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
458 (push_array_bounds): Delete prototype. Change BOUNDS argument to
459 an unsigned HOST_WIDE_INT.
460 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
462 (really_start_incremental_init): No need to call convert because
463 bitsize_zero_node is already of type bitsizetype.
464 (push_init_level): Extract the value of constructor_index as an
465 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
466 (process_init_element): Likewise.
468 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
470 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
471 value before passing to make_relative_prefix.
473 2006-04-28 Alan Modra <amodra@bigpond.net.au>
476 * builtins.c (expand_builtin_memset): Expand val in original mode.
478 2006-04-27 Eric Christopher <echristo@apple.com>
480 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
482 * config/darwin-c.c (darwin_ms_struct): New.
483 (darwin_pragma_ms_struct): Ditto.
484 (darwin_set_default_type_attributes): Ditto.
485 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
486 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
487 Register ms_struct pragma.
488 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
489 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
490 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
491 darwin_set_default_type_attributes if TARGET_MACHO.
493 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
495 PR tree-optimization/26854
496 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
497 * doc/tree-ssa.texi: Update immuse iterator documentation.
498 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
499 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
500 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
501 first_safe_imm_use, next_safe_imm_use): Remove.
502 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
503 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
504 (move_use_after_head): New. Helper function to sort immuses in a stmt.
505 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
506 (first_imm_use_stmt): New. Get first stmt in an immuse list.
507 (next_imm_use_stmt): New. Get next stmt in an immuse list.
508 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
509 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
510 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
511 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
512 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
513 (perfect_nestify): Use new iterator.
514 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
516 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
517 (next_imm_name): New field in struct immediate_use_iterator_d.
518 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
519 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
520 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
521 * tree-cfg.c (replace_uses_by): Use new iterator.
522 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
523 * tree-ssa-operands.c (correct_use_link): Remove.
524 (finalize_ssa_use_ops): No longer call correct_use_link.
526 2006-04-27 Stuart Hastings <stuart@apple.com>
528 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
529 * config/t-darwin (crt3.o): Use it.
530 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
531 'pmode', use Pmode instead of SImode for SYMBOL_REF.
532 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
533 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
534 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
537 2006-04-27 Roger Sayle <roger@eyesopen.com>
539 * expmed.c (store_fixed_bit_field): If we're not optimizing for
540 size, force the intermediate into a new pseudo rather instead of
541 performing both a bitwise AND and a bitwise IOR in memory.
543 2006-04-27 Richard Guenther <rguenther@suse.de>
545 PR rtl-optimization/26685
546 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
547 this one "max-flow-memory-locations".
549 2006-04-27 Richard Guenther <rguenther@suse.de>
551 PR tree-optimization/25148
552 * tree-vrp.c (compare_values): Remove code dealing with
553 comparisons against type min/max value. Honour overflow
554 and negative constants in code dealing with comparisons
555 of plus and minus expressions.
556 (value_inside_range): Use fold_binary with LE_EXPR and
557 GE_EXPR rather than compare_values.
559 2006-04-27 Dirk Mueller <dmueller@suse.de>
561 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
564 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
566 * basic-block.h (safe_insert_insn_on_edge): Removed.
567 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
570 2006-04-26 David Edelsohn <edelsohn@gnu.org>
571 Paolo Bonzini <bonzini@gnu.org>
574 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
575 (simplify_and_const_int): Same.
577 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
579 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
581 2006-04-26 Jakub Jelinek <jakub@redhat.com>
584 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
585 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
586 cgraph_global_info_ready.
589 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
592 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
593 either decl or init is error_mark_node.
596 * tree-flow.h (struct omp_region): Add sched_kind.
597 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
598 instead of extracting omp for data.
599 (expand_omp_for): Save extracted sched_kind.
601 2006-04-25 Roger Sayle <roger@eyesopen.com>
603 * expmed.c (store_bit_field): Also check whether the bitsize is
604 valid for the machine's "insv" instruction before moving the
605 target into a pseudo for use with the insv.
606 * config/i386/predicates.md (const8_operand): New predicate.
607 * config/i386/i386.md (extv, extzv, insv): Use the new
608 const8_operand predicate where appropriate.
610 2006-04-25 DJ Delorie <dj@redhat.com>
612 * doc/install.texi (Specific): Clarify that this is not a list of
613 supported hosts or targets.
615 2006-04-25 Richard Sandiford <richard@codesourcery.com>
617 PR rtl-optimization/26725
618 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
619 block's BB_DIRTY flag.
621 2006-04-25 Geoffrey Keating <geoffk@apple.com>
623 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
626 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
629 2006-04-25 David Edelsohn <edelsohn@gnu.org>
631 * varasm.c (align_variable): New function.
632 (get_block_for_decl): Apply align_variable to DECL before
633 calculating section information.
634 (assemble_variable): Split out alignment computation.
636 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
638 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
641 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
643 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
644 MODE_PARTIAL_INT mode.
645 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
646 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
648 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
649 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
651 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
653 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
655 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
656 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
657 MACFLAG_IH): Likewise.
658 (movstricthi_1): Renamed from "*movstricthi".
659 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
660 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
661 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
662 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
663 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
664 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
665 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
666 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
667 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
668 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
669 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
670 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
671 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
672 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
673 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
675 * doc/rtl.texi (ss_ashift): Improve wording.
677 2006-04-24 Geoffrey Keating <geoffk@apple.com>
679 * dwarf2out.c (verify_marks_clear): New.
680 (prune_unused_types): Call verify_marks_clear initially, not
683 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
685 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
686 * doc/rtl.texi: Document them.
687 * simplify-rtx.c (simplify_unary_operation,
688 simplify_binary_operation_1): Don't abort when we see them.
690 2006-04-24 Mark Mitchell <mark@codesourcery.com>
693 2006-04-23 Mark Mitchell <mark@codesourcery.com>
694 * configure.ac: Completely disregard languages that are not
696 * configure: Regenerated.
698 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
699 Richard Guenther <rguenther@suse.de>
701 PR tree-optimization/27236
702 * tree-inline.c (copy_body_r): Make sure to copy
703 TREE_THIS_VOLATILE flag.
705 2006-04-24 Richard Guenther <rguenther@suse.de>
708 * tree-complex.c (update_parameter_components): Don't handle
709 unused parameters which have no default def.
711 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
712 Richard Guenther <rguenther@suse.de>
714 PR tree-optimization/27218
715 * tree-inline.c (expand_call_inline): Strip useless type
716 conversions for the return slot address.
718 2006-04-24 Richard Guenther <rguenther@suse.de>
720 * cfgloop.h (struct loops): Remove unused field array. Reorder
722 (LOOP_PREFETCH): Remove.
724 2006-04-24 Richard Guenther <rguenther@suse.de>
726 PR tree-optimization/22525
727 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
728 variable, adjust types of generated expressions.
730 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
732 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
733 (tree-vect-patterns.o): Likewise.
735 (cselib.o): Likewise.
736 (loop-doloop.o): Likewise.
737 (regclass.o): Likewise.
738 (reload1.o): Likewise.
739 (explow.o): Replace target.h with $(TARGET_H).
740 (ipa-prop.o): Likewise.
741 (ipa-cp.o): Likewise.
742 (ipa-inline.o): Likewise.
744 (reg-stack.o): Likewise.
746 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
748 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
750 2006-04-23 Mark Mitchell <mark@codesourcery.com>
752 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
754 * configure.ac: Completely disregard languages that are not
756 * configure: Regenerated.
759 * c-common.h (c_build_bitfield_integer_type): Declare.
760 * c-decl.c (c_build_bitfield_integer_type): Move to ...
761 * c-common.c (c_build_bitfield_integer_type): ... here.
763 2006-04-23 Roger Sayle <roger@eyesopen.com>
766 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
767 a SImode SUBREG of a floating point register after no_new_pseudos.
769 2006-04-23 Roger Sayle <roger@eyesopen.com>
771 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
772 identify potentially eliminable registers to additionally catch
773 VIRTUAL_INCOMING_ARGS_REGNUM.
774 (addsi3): Update the conditions on when to use addsi_small_int.
776 2006-04-23 Roger Sayle <roger@eyesopen.com>
779 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
780 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
781 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
783 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
785 * fold-const.c (range_predecessor): Use operand_equal_p
786 as the predicate for equality.
787 (range_successor): Likewise.
789 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
792 * config/soft-fp/op-common.h: Fix a typo.
794 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
797 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
798 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
800 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
802 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
804 * doc/tm.texi: Fix a typo.
806 2006-04-21 Geoffrey Keating <geoffk@apple.com>
808 * dwarf2out.c (struct die_struct): Document that die_sib makes
809 a circular linked list.
810 (FOR_EACH_CHILD): New.
811 (reverse_die_lists): Delete.
812 (reverse_all_dies): Delete.
813 (add_dwarf_attr): Correct documentation.
814 (remove_child_with_prev): New.
815 (remove_child_TAG): Update for change to die_struct, use
816 remove_child_with_prev.
817 (add_child_die): Update for change to die_struct.
818 (splice_child_die): Use remove_child_with_prev and add_child_die.
819 (print_die): Use FOR_EACH_CHILD.
820 (die_checksum): Likewise.
821 (assign_symbol_names): Likewise.
822 (output_location_lists): Likewise.
823 (build_abbrev_table): Likewise.
824 (calc_die_sizes): Likewise.
825 (mark_dies): Likewise.
826 (unmark_dies): Likewise.
827 (unmark_all_dies): Likewise.
828 (output_die): Likewise.
829 (prune_unused_types_mark): Likewise.
830 (prune_unused_types_walk): Likewise.
831 (same_die_p): Update for change to die_struct.
832 (break_out_includes): Likewise.
833 (prune_unused_types_prune): Likewise.
834 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
835 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
837 (dwarf2out_finish): Don't call reverse_all_dies.
839 2006-04-21 Eric Christopher <echristo@apple.com>
841 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
842 in comments and function names.
844 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
847 * c-typeck.c (digest_init): Robustify.
849 * c-typeck.c (pop_init_level): Simplify.
851 2006-04-21 Steve Ellcey <sje@cup.hp.com>
853 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
855 2006-04-21 Paul Brook <paul@codesourcery.com>
857 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
858 hardware floating point.
860 2006-04-21 David Edelsohn <edelsohn@gnu.org>
862 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
865 2006-04-21 Nick Clifton <nickc@redhat.com>
867 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
870 2006-04-21 Alan Modra <amodra@bigpond.net.au>
873 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
874 C++ lang type in traceback table for Objective-C++.
876 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
878 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
880 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
882 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
885 * tree-mudflap.c (mudflap_finish_file): Skip function when there
886 were errors. Remove check for erroneous objects.
888 2006-04-20 Jeff Law <law@redhat.com>
890 PR tree-optimization/26854
891 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
892 checking for zero or one use.
893 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
894 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
895 * tree-ssa-reassoc.c (negate_value): Similarly.
896 (reassociate_bb): Similarly.
898 2006-04-20 Jakub Jelinek <jakub@redhat.com>
900 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
901 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
902 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
904 2006-04-20 Alan Modra <amodra@bigpond.net.au>
906 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
907 fp regs if the last fp arg doesn't fit in regs.
909 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
912 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
913 that the last insn has the REG_INC note.
915 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
916 Nathan Sidwell <nathan@codesourcery.com>
919 * stor-layout.c (update_alignment_for_field): Do not align
921 (place_union_field): Place union field at the start of the union.
922 (place_field): Move ERROR_MARK check later, and use the current
923 allocation position to maintain monotonicity.
925 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
927 * dominance.c: Include timevar.h.
928 (calculate_dominance_info): Use TV_DOMINANCE.
929 * timevar.def (TV_DOMINANCE): New timevar.
930 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
932 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
934 PR rtl-optimization/14261
935 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
936 move would be an INSV insn.
937 (noce_process_if_block): Don't optimize if the destination is a
938 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
940 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
942 * config/s390/s390.md: Add comments with the instructions emitted
943 by an insn pattern if macros are used.
945 2006-04-19 Alan Modra <amodra@bigpond.net.au>
947 PR rtl-optimization/26026
948 * fold-const.c (fold_binary): Optimize div and mod where the divisor
949 is a known power of two shifted left a variable amount.
951 2006-04-18 Geoffrey Keating <geoffk@apple.com>
953 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
954 to hash table twice when the debug_str section has SECTION_MERGE.
956 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
958 * config/soft-fp: New directory. From glibc.
959 * config/soft-fp/t-softfp: New.
960 * config/soft-fp/README: New.
961 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
962 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
963 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
964 (LIBGCC_DEPS): Add $(SFP_MACHINE).
965 * config.gcc: Use rs6000/t-fprules-fpbit or
966 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
968 * config/rs6000/sfp-machine.h: New. Based on glibc.
969 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
971 * config/rs6000/t-fprules: Remove fp-bit rules.
972 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
973 * config/rs6000/t-linux64: Likewise. Remove duplicates from
974 LIB2FUNCS_EXTRA. Remove fp-bit rules.
975 (softfp_wrap_start, softfp_wrap_end): New.
977 2006-04-18 DJ Delorie <dj@redhat.com>
979 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
981 2006-04-18 Devang Patel <dpatel@apple.com>
983 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
985 2006-04-18 Nick Clifton <nickc@redhat.com>
987 * config/sh/t-symbian: Add rule to build sh-c.o
988 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
989 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
990 (sh_symbian_encode_section_info): Likewise.
992 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
994 * builtins.c (expand_builtin_strcmp): Cover label definition of
995 do_libcall with HAVE_cmpstrnsi.
997 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
999 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1001 * function.h (temp_slot_p): New.
1002 (function): Change the type of x_used_temp_slots to
1003 VEC(temp_slot_p,gc) *.
1005 2006-04-18 Nick Clifton <nickc@redhat.com>
1007 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1008 flag_strength_reduce.
1010 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1012 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1016 Partial revert of revision 112637
1017 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1018 Dale Johannesen <dalej@apple.com>
1021 * regclass.c (struct reg_pref): Update documentation.
1022 (regclass): Set prefclass to NO_REGS if memory is the best option.
1023 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1025 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1027 PR tree-optimization/26821
1028 * tree-ssa-math-opts.c (get_constant_one): New.
1029 (insert_reciprocals): Use it.
1031 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1033 * dwarf2out.c (free_AT): Delete.
1034 (remove_AT): Update string ref counts.
1035 (remove_child_TAG): Don't call free_die.
1037 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1038 or DW_TAG_GNU_EINCL.
1039 (prune_unused_types_walk_attribs): Reset string refcounts.
1040 (prune_unused_types_update_strings): New.
1041 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1042 call free_die. Do call prune_unused_types_update_strings.
1043 (prune_unused_types): Empty debug_str_hash.
1045 2006-04-17 Roger Sayle <roger@eyesopen.com>
1047 * expr.c (expand_assignment): Optimize away no-op moves where the
1048 source and destination are equal and have no side-effects.
1050 2006-04-17 Richard Guenther <rguenther@suse.de>
1053 * reload.c (push_reload): Guard calls to get_secondary_mem
1056 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1058 * alias.c (reg_base_value, old_reg_base_value): Change the
1059 type to VEC(rtx,gc) *.
1060 (REG_BASE_VALUE, find_base_value, record_set,
1061 init_alias_analysis): Use VEC instead of VARRAY.
1063 * alias.c (alias_sets): Change the type to
1064 VEC(alias_set_entry,gc) *.
1065 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1066 VEC instead of VARRAY.
1067 (last_alias_set): Remove.
1069 * cgraph.h (cgraph_edge_p): New.
1070 Update the prototype of cgraph_function_versioning.
1071 * cgraphunit.c (cgraph_copy_node_for_versioning,
1072 cgraph_function_versioning): Use VEC instead of VARRAY.
1073 * ipa-cp.c (ipcp_insert_stage): Likewise.
1075 2006-04-16 Roger Sayle <roger@eyesopen.com>
1078 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1079 "A op B" or "A op C", we may need to convert A to the type of B and C.
1081 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1083 * target.h (struct gcc_target): Add mode_rep_extended.
1084 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1085 (init_num_sign_bit_copies_in_rep): Initialize it using
1087 (truncate_to_mode): Use it.
1088 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1089 * targhooks.h (default_mode_rep_extended): Declare it.
1090 * targhooks.c (default_mode_rep_extended): Define it.
1091 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1092 default_mode_rep_extended.
1093 (TARGET_INITIALIZER): Include it.
1094 * doc/tm.texi (Misc): Document it.
1095 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1096 (mips_truncated_to_mode): New function.
1098 2006-04-16 Roger Sayle <roger@eyesopen.com>
1101 * expr.c (compress_float_constant): Copy the narrow constant into
1102 a new pseudo before extending it to its final width.
1104 2006-04-16 Roger Sayle <roger@eyesopen.com>
1105 Andrew Pinski <pinskia@gcc.gnu.org>
1106 Dale Johannesen <dalej@apple.com>
1109 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1110 special case code to implement V8HImode and V16QImode with SSE2.
1112 2006-04-15 Roger Sayle <roger@eyesopen.com>
1114 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1115 trees are constructed with a suitable tree type.
1117 2006-04-15 Roger Sayle <roger@eyesopen.com>
1119 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1120 (integer_onep): Likewise.
1121 (integer_all_onesp): Likewise.
1122 (integer_pow2p): Likewise.
1123 (integer_nonzerop): Likewise.
1124 (real_zerop): Likewise.
1125 (real_onep): Likewise.
1126 (real_twop): Likewise.
1127 (real_minus_onep): Likewise.
1128 (int_size_in_bytes): Likewise.
1129 (host_integerp): Likewise.
1131 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1133 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1134 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1135 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1137 * tree-ssa-structalias.h (alias_info): Remove num_references.
1139 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1141 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1142 (output_bvb patterns): Likewise.
1143 * pa.c (output_bb): Use 'bb' insn for long branch case.
1144 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1145 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1146 1. Correct length operand for alternatives 1 and 2.
1147 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1148 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1150 2006-04-14 Roger Sayle <roger@eyesopen.com>
1152 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1153 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1154 were accidentally reverted by r112959.
1156 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1159 * except.h (eh_region_outermost): New prototype.
1160 * except.c (eh_region_outermost): New function.
1161 * tree-cfg.c (find_outermost_region_in_block): Use it.
1163 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1165 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1167 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1168 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1169 (init_reload, reload): Use VEC instead of VARRAY.
1170 * reload.h: Update the prototype for
1171 reg_equiv_memory_loc_varray.
1173 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1174 Eric Botcazou <ebotcazou@libertysurf.fr>
1176 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1179 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1182 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1183 to expand fallback builtin function call.
1185 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1188 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1189 and emit libcall here in case the builtin fails.
1190 (expand_builtin_strcmp): Always emit the libcall here on failure.
1192 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1194 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1195 * flow.c (reg_n_info): Change the type to
1196 VEC(reg_info_p,heap) *.
1197 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1199 * regs.h (reg_info_p): New.
1200 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1201 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1202 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1205 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1207 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1209 * params.h (MAX_SCHED_READY_INSNS): New macro.
1210 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1211 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1212 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1213 the ready list for 1 cycle during the first scheduling pass.
1214 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1216 2006-04-13 Richard Henderson <rth@redhat.com>
1219 * gimple-low.c (lower_omp_directive): Remove dead code.
1220 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1221 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1222 * omp-low.c (struct omp_region): Move to tree-flow.h.
1223 (root_omp_region): Export.
1224 (omp_regions, lookup_omp_region): Remove.
1225 (determine_parallel_type): Update for struct omp_region changes.
1226 (dump_omp_region): Dump regions with block numbers.
1227 (new_omp_region): Take type and block instead of stmt; malloc
1229 (free_omp_region_1, free_omp_regions): New.
1230 (expand_parallel_call): Take entry_stmt as argument; update for
1231 changes to omp_region.
1232 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1233 (remove_exit_barriers): New.
1234 (expand_omp_parallel): Update for struct omp_region changes.
1235 (expand_omp_synch): Likewise.
1236 (expand_omp): Likewise.
1237 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1238 (expand_omp_for_static_chunk): Likewise.
1239 (expand_omp_for): Likewise.
1240 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1241 (expand_omp_sections): Similarly, with GOMP_sections_end.
1242 (expand_omp_single): New.
1243 (build_omp_regions_1): Update for OMP_CONTINUE.
1244 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1245 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1246 OMP_SECTIONS_SECTIONS.
1247 (lower_omp_single_simple): Don't emit barrier here.
1248 (lower_omp_single_copy): Likewise.
1249 (lower_omp_single): Fix bindings, and lower to straightline now.
1250 (lower_omp_master, lower_omp_ordered): Likewise.
1251 (lower_omp_critical): Likewise.
1252 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1253 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1254 omp edges, free it afterward.
1255 (make_omp_sections_edges): Remove.
1256 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1257 (move_stmt_r): Handle OMP_CONTINUE.
1258 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1259 statement pointers to basic blocks. Add type member.
1260 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1261 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1262 * tree-inline.c (estimate_num_insns_1): Likewise.
1263 * tree-pretty-print.c (dump_generic_node): Likewise.
1264 * tree-ssa-operands.c (get_expr_operands): Likewise.
1265 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1266 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1267 (OMP_CONTINUE): New.
1268 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1269 (OMP_SECTIONS_SECTIONS): Remove.
1270 (OMP_SECTION_LAST): New.
1271 (OMP_RETURN_NOWAIT): New.
1273 2006-04-13 Roger Sayle <roger@eyesopen.com>
1275 * fold-const.c (native_encode_vector, native_interpret_real):
1276 Correct obvious mistakes in the previous check-in.
1278 2006-04-13 Roger Sayle <roger@eyesopen.com>
1280 * fold-const.c (native_encode_expr): New function to encode
1281 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1282 or VECTOR_CST into a specified buffer.
1283 (native_encode_int): New function.
1284 (native_encode_real): New function.
1285 (native_encode_complex): New function.
1286 (native_encode_vector): New function.
1287 (native_interpret_expr): Inverse of native_encode_expr to convert
1288 a target representation into an INTEGER_CST, REAL_CST etc...
1289 (native_interpret_int): New function.
1290 (native_interpret_real): New function.
1291 (native_interpret_complex): New function.
1292 (native_interpret_vector): New function.
1293 (fold_view_convert_expr): New function to constant fold/evaluate
1294 a VIEW_CONVERT_EXPR of a suitable constant expression.
1295 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1296 Change call of build1 to fold_build1 when constructing a
1299 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1300 Ulrich Weigand <uweigand@de.ibm.com>
1303 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1306 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1309 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1310 optimize to lo_sum for DFmode if !TARGET_FPRS.
1312 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1314 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1315 delete_alias_info, compute_flow_sensitive_aliasing,
1316 group_aliases): Use VEC instead of VARRAY.
1317 * tree-ssa-structalias.c (update_alias_info): Likewise.
1318 * tree-ssa-structalias.h (alias_info): Change the type of
1319 processed_ptrs to VEC(tree,heap) *.
1321 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1324 * config/sh/lib1funcs.h: New file, broken out of:
1325 * config/sh/lib1funcs.asm.
1326 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1328 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1329 * config/sh/lib1funcs-Os-4-200.asm: New file.
1330 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1331 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1332 (EXTRA_MULTILIB_PARTS): Include it.
1333 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1334 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1335 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1336 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1339 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1341 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1342 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1343 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1345 * tree-ssa-live.h: Include vecprim.h.
1346 (tree_partition_associator_d): Change the type of
1347 first_partition to VEC(int,heap) *.
1348 (tpa_first_partition): Use VEC instead of VARRAY.
1350 * Makefile.in (GTFILES): Move functions.h after tree.h.
1351 * function.c (reset_block_changes, record_block_change,
1352 check_block_change, free_block_changes): Use VEC instead of
1354 * function.h (function): Change the type of
1355 ib_boundaries_block to VEC(tree,gc) *.
1356 * tree-inline.c (copy_cfg_body): Initialize
1357 ib_boundaries_block to NULL instead of (varray_type) 0.
1359 2006-04-12 Roger Sayle <roger@eyesopen.com>
1361 * expr.c (emit_group_store): Correct operand order in call to
1362 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1363 a SUBREG_BYTE of zero.
1365 2006-04-12 Richard Guenther <rguenther@suse.de>
1367 * profile.c (compute_branch_probabilities): Remove code
1368 encapsulated in !ir_type (), which are remanents of the
1369 removed RTL profiling code.
1370 * rtl-profile.c: Remove.
1372 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1374 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1375 magic NULL_RTX comment.
1376 (function_arg): Store entire fp arg to mem if any part should go
1378 (rs6000_arg_partial_bytes): Adjust for above change.
1380 2006-04-11 Roger Sayle <roger@eyesopen.com>
1382 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1383 if it hasn't been initialized by dwarf2out_init.
1385 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1387 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1388 symbolic constants in branch patterns.
1390 2006-04-11 Roger Sayle <roger@eyesopen.com>
1392 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1394 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1396 PR rtl-optimization/27073
1397 * gcse.c (try_replace_reg): Revert last change. Continue to search
1398 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1401 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1403 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1404 aggregate types other than record and union types.
1405 (function_arg): Likewise.
1406 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1408 (function_value): In 64-bit mode, return objects that require it
1411 2006-04-11 Roger Sayle <roger@eyesopen.com>
1413 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1415 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1417 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1419 2006-04-03 Jeff Law <law@redhat.com>
1422 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1423 alias information too.
1425 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1427 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1429 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1432 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1433 (premark_used_types_helper): New.
1434 (premark_used_types): New.
1435 (gen_subprogram_die): Call premark_used_types.
1436 (prune_unused_types_walk): Do not prune perennial dies.
1437 * function.c (used_types_insert): New.
1438 * function.h (struct function): Add used_types_hash field.
1439 (used_types_insert): Add prototype.
1440 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1441 * c-parser.c (c_parser_cast_expression): Save casted types in used
1444 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1447 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1448 rs6000_explicit_options.float_gprs.
1450 2006-04-10 Roger Sayle <roger@eyesopen.com>
1452 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1453 from ix86_expand_vector_init_low_nonzero. Take an additional
1454 one_var argument indicating which element is non-zero. Support
1455 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1456 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1457 with one_var instead of ix86_expand_vector_init_low_nonzero.
1459 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1461 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1462 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1463 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1464 build/genextract.o): Depend on vecprim.h.
1465 * cfglayout.c, df-problems.c, function.c, genextract.c,
1466 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1467 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1471 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1473 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1474 Declare VECs of this type.
1475 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1476 (remove_children): Delete.
1477 (add_dwarf_attr): Use VEC routines.
1478 (add_AT_flag): Update for changes to add_dwarf_attr.
1479 (add_AT_int): Likewise.
1480 (add_AT_unsigned): Likewise.
1481 (add_AT_long_long): Likewise.
1482 (add_AT_vec): Likewise.
1483 (add_AT_string): Likewise.
1484 (add_AT_die_ref): Likewise.
1485 (add_AT_fde_ref): Likewise.
1486 (add_AT_loc): Likewise.
1487 (add_AT_loc_list): Likewise.
1488 (add_AT_addr): Likewise.
1489 (add_AT_lbl_id): Likewise.
1490 (add_AT_lineptr): Likewise.
1491 (add_AT_macptr): Likewise.
1492 (add_AT_offset): Likewise.
1493 (add_AT_range_list): Likewise.
1494 (get_AT): Use VEC_iterate.
1495 (remove_AT): Use VEC_ordered_remove.
1496 (free_die): Fold remove_children into here; have it use VEC_iterate.
1497 (print_die): Use VEC_iterate on attrs.
1498 (reverse_die_lists): Don't reverse attr lists.
1499 (die_checksum): Use VEC_iterate on attrs.
1500 (same_die_p): Likewise.
1501 (output_location_lists): Likewise.
1502 (build_abbrev_table): Likewise.
1503 (size_of_die): Likewise.
1504 (unmark_all_dies): Likewise.
1505 (output_abbrev_section): Likewise.
1506 (output_die): Likewise.
1507 (prune_unused_types_walk_attribs): Likewise.
1509 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1511 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1513 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1516 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1518 2006-04-09 Roger Sayle <roger@eyesopen.com>
1520 * expr.c (store_constructor): Don't bother clearing target if
1521 we're about to assign a vector to it using vec_init_optab.
1523 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1525 * tree-ssa-alias.c (lhs_may_store_to): New function.
1526 (recalculate_used_alone): Handle LHS of calls.
1528 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1532 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1533 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1534 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1535 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1536 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1537 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1538 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1539 stubs. Add ".align 8" directives before all ".dword" directives.
1540 (GTHREAD_USE_WEAK): Revise comment.
1541 (TARGET_ATTRIBUTE_WEAK): Define.
1542 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1543 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1544 * stublib.c: New file.
1549 * pa.md (cbranch patterns): Revise arguments used in calls to
1550 output_cbranch, output_bb and output_bvd. Add long branch length
1552 (fbranch patterns): Handle long branches.
1553 (jump): Revise length check. Revise arguments for output_lbranch call.
1554 Add long branch length attributes.
1555 (decrement_and_branch_until_zero): Add long branch length attributes.
1556 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1557 Likewise. Revise arguments for output_parallel_addb and
1558 output_parallel_movb calls.
1559 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1560 output_parallel_movb and output_parallel_addb): Update prototypes.
1561 * pa.c (output_cbranch): Revise arguments. Correct handling of
1562 nullification in long branches.
1563 (output_lbranch): Add new argument to control extraction of delay
1565 (output_bb): Handle long branches.
1566 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1567 output_parallel_addb): Likewise.
1569 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1571 PR rtl-optimization/27073
1572 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1575 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1577 * tree.h (tree_memory_tag): Add old_used_alone.
1578 (SMT_OLD_USED_ALONE): New macro.
1579 * tree-ssa-alias.c (recalculate_used_alone): Stop
1580 marking things for renaming unnecessarily.
1582 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1584 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1585 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1586 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1587 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1588 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1589 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1590 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1591 spelling convensions.
1592 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1593 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1594 typos. Follow spelling conventions.
1596 2006-04-07 DJ Delorie <dj@redhat.com>
1598 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1599 passed on the stack.
1600 (m32c_init_cumulative_args): When a function returns a structure,
1601 always pass the pointer to that return area on the stack.
1602 (m32c_function_arg_advance): Don't increment the parameter number
1603 if we're processing the returned structure pointer.
1604 (pushm_info): Reverse order of registers.
1606 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1608 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1609 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1610 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1611 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1613 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1614 chrec_fold_multiply): Same.
1615 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1616 force_expr_to_var_cost): Same.
1617 * tree-mudflap.c (mf_xform_derefs_1): Same.
1618 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1620 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1622 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1623 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1626 2006-04-07 Jan Hubicka <jh@suse.cz>
1628 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1630 2006-04-07 Richard Guenther <rguenther@suse.de>
1632 PR tree-optimization/26135
1633 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1634 loads for store copy-prop.
1635 (copy_prop_visit_stmt): Likewise.
1637 2006-04-05 Robert Millan <robertmh@gnu.org>
1639 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1640 being overriden in config/k*bsd-gnu.h.
1641 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1643 * gcc/config/knetbsd-gnu.h: Ditto.
1645 2006-04-06 Jan Hubicka <jh@suse.cz>
1649 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1652 2006-04-06 Mike Stump <mrs@apple.com>
1654 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1655 for HAVE_nonlocal_goto to be consistent.
1656 (expand_builtin_nonlocal_goto): Likewise.
1657 (expand_builtin_strcmp): Use #ifdef instead of #if
1658 for HAVE_cmpstrnsi to be consistent.
1660 2006-04-05 DJ Delorie <dj@redhat.com>
1662 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1665 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1667 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1668 got-relative addressing for anything but SImode.
1670 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1671 even if the calling function doesn't modify them.
1673 2006-04-05 Richard Guenther <rguenther@suse.de>
1675 PR tree-optimization/26919
1676 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1677 to cgraph_estimate_size_after_inlining.
1679 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1681 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1683 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1685 PR tree-optimization/26996
1686 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1687 VECTOR_TYPE variables.
1689 2006-04-05 Richard Guenther <rguenther@suse.de>
1691 PR tree-optimization/26763
1692 * fold-const.c (fold_comparison): Move folding of
1693 PTR + CST CMP PTR + CST ...
1694 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1696 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1698 * doc/install.texi (Prerequisites): Refine some wording on
1699 bootstrapping and ksh.
1700 Move the version numbers of DejaGnu here from the testing section
1701 and fix casing of names.
1702 Fix markup and clarify wording for autogen requirements.
1703 Refer to GCJ instead of just java.
1704 Refer to SVN instead of CVS.
1705 Describe diffutils as useful instead of necessary.
1706 (Downloading the source): Refer to SVN instead of CVS.
1707 Adjust a link to our web site accordingly.
1708 (Configuration): Fix casing of Bison.
1709 (Building): Refer to SVN instead of CVS.
1710 Fix a sentence on the use of Bison and remove duplicate (and
1711 incorrect) version number of Bison requirement.
1712 Remove one redundant list of packages needed for building.
1713 (Specific): Avoid reference to CVS.
1715 2006-04-04 Eric Christopher <echristo@apple.com>
1717 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1718 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1719 (rs6000_handle_struct_attribute): New.
1720 (rs6000_ms_bitfield_layout_p): Ditto.
1722 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1724 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1725 NULL for dso parameter to atexit_common.
1727 2006-04-04 Eric Christopher <echristo@apple.com>
1729 * config/i386/i386.c (machopic_output_stub): Output \t
1730 between instructions and operands.
1732 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1734 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1735 satisfies_constraint_[IL] to explicit tests on value.
1737 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1739 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1740 set_nb_iterations_in_loop): Use build_int_cst instead of
1742 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1743 build_int_cst instead of convert.
1745 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1747 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1748 new value 2 for incoming.
1749 * function.c (expand_function_start): Call struct_value_rtx
1751 * config/sparc/sparc.md: Comment updated_return.
1752 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1753 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1754 struct return if sparc_std_struct_return and incoming is 2.
1755 (print_operand): Do not adjust return if
1756 sparc_std_struct_return.
1758 2006-04-04 Roger Sayle <roger@eyesopen.com>
1760 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1761 convert in the middle-end.
1762 * expr.c (store_expr, store_constructor, get_inner_reference,
1763 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1765 * tree.c (build_range_type): Likewise.
1767 2006-04-04 Tom Tromey <tromey@redhat.com>
1769 * doc/install.texi (Prerequisites): Mention jar.
1771 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1773 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1776 2006-04-04 Matthias Klose <doko@debian.org>
1778 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1779 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1782 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1784 * doc/extend.texi (Function Attributes): Rewrite visibility
1785 attribute documentation.
1786 * doc/invoke.texi (C++ Dialect Options): Rewrite
1787 -fvisibility-inlines-hidden documentation to describe something
1788 entirely different, although in practise compatible.
1789 (Code Gen Options): Warn about system headers in -fvisibiltity=
1792 * doc/extend.texi (Other Builtins): Document that
1793 __builtin_nan is a compile-time constant only when its argument
1796 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1798 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1799 trying to remove TRUNCATE check if all bits outside the new mode
1800 are identical to the sign bit.
1802 2006-04-03 Jeff Law <law@redhat.com>
1804 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1805 and operand scanning in some common cases.
1807 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1808 Dale Johannesen <dalej@apple.com>
1811 * regclass.c (struct reg_pref): Update documentation.
1812 (regclass): Set prefclass to NO_REGS if memory is the best option.
1813 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1814 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1815 into account. For non-registers, equate an empty preferred
1816 reload class to a `!' in the constraint; move the if clause to
1817 do so after those that reject the insn.
1818 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1820 (find_dummy_reload): Likewise.
1821 * doc/tm.texi (Register Classes): Document what it means
1822 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1823 * config/i386/i386.c (ix86_preferred_reload_class): Force
1824 using SSE registers (and return NO_REGS for floating-point
1825 constants) if math is done with SSE.
1826 (ix86_preferred_output_reload_class): New.
1827 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1828 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1829 * config/i386/i386.md: Remove # register preferences.
1831 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1834 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1835 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1836 the type of nb_iter.
1837 (instantiate_parameters_1): Convert the operands before calling
1838 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1839 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1841 2006-04-02 Roger Sayle <roger@eyesopen.com>
1843 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1844 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1846 * dojump.c (do_jump): Likewise.
1847 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1848 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1849 gimplify_boolean_expr): Likewise.
1850 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1851 * varasm.c (array_size_for_constructor): Likewise.
1852 * tree-object-size.c (compute_object_offset): Likewise.
1854 2006-04-02 Roger Sayle <roger@eyesopen.com>
1857 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1858 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1860 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1862 PR tree-optimization/26939
1863 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1865 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1867 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1868 at_stmt. Convert the type of operands before calling
1869 build_polynomial_chrec.
1870 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1872 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1873 (instantiate_parameters_1): Convert the type of operands before calling
1874 build_polynomial_chrec.
1875 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1876 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1877 reset_evolution_in_loop): Insert asserts to check the types of the
1879 (chrec_type): Moved...
1880 (eq_evolutions_p): Use operand_equal_p.
1881 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1882 the types of the operands.
1883 (chrec_type): ...here.
1884 * tree-data-ref.c (create_data_ref): Convert the operands before
1885 calling chrec_replace_initial_condition.
1886 (same_access_functions, analyze_subscript_affine_affine,
1887 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1888 (compute_subscript_distance, analyze_ziv_subscript,
1889 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1890 analyze_miv_subscript): Convert the operands before calling
1891 chrec_fold_minus or chrec_fold_plus.
1893 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1895 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1896 the dependence_relations vector.
1897 (compute_data_dependences_for_loop): Adjust call to
1898 compute_all_dependences.
1900 2006-04-01 Roger Sayle <roger@eyesopen.com>
1901 Richard Henderson <rth@redhat.com>
1903 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1904 gimple_boolify on the condition before calling gimplify_expr.
1906 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1908 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1909 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1910 the frame size. Update to use the new macros.
1911 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1912 * config/xtensa/ieee754-df.S: Likewise.
1914 2006-03-31 Richard Henderson <rth@redhat.com>
1916 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1917 (make_edges): ... here. Control fallthru creation with a local
1918 variable. Do not play with fake edges.
1919 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1920 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1923 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1925 * dwarf2.h (DW64_CIE_ID): Define.
1926 * dwarf2out.c (DWARF_CIE_ID): Define.
1927 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1928 length header. Use DWARF_CIE_ID.
1929 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1930 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1932 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1934 * config/sh/linux-atomic.asm: New file.
1935 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1937 2006-03-31 DJ Delorie <dj@redhat.com>
1939 * config/m32c/cond.md: Set condition flags properly throughout.
1940 * config/m32c/minmax.md: Likewise.
1941 * config/m32c/prologue.md: Likewise.
1942 * config/m32c/bitops.md: Likewise.
1943 * config/m32c/muldiv.md: Likewise.
1944 * config/m32c/mov.md: Likewise.
1945 * config/m32c/addsub.md: Likewise.
1946 * config/m32c/m32c.md: Likewise.
1947 * config/m32c/jump.md: Likewise.
1948 * config/m32c/shift.md: Likewise.
1950 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1951 conditionally output the pattern for this.
1952 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1953 (m32c_compare_redundant): New.
1954 (m32c_output_compare): New.
1955 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1957 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1958 dest, not src. Allow other 4-byte modes.
1960 2006-03-30 Denis Chertykov <denisc@overta.ru>
1962 * doc/md.texi: Refer to avr/constraints.md instead of
1965 2006-03-30 Roger Sayle <roger@eyesopen.com>
1967 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1968 signed vs. unsigned comparison failures on some hosts.
1970 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1973 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1974 change to FLOAT_REGS.
1976 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1977 (rs6000_override_options): Use it.
1978 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1979 only for -mabi=spe/no-spe and -mabi=altivec.
1981 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1983 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1986 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1988 * Makefile.in: Rename docdir to gcc_docdir.
1990 2006-03-30 Roger Sayle <roger@eyesopen.com>
1993 * expr.c (emit_group_store): Optimize group stores into a pseudo
1994 register by using a paradoxical subreg to initialize the destination
1995 if the first or last member of the group specifies a "low part".
1997 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2000 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2001 * target.h (struct gcc_target.speculate_insn): Change type of the
2002 second parameter to 'int'.
2003 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2004 the second operand of the DEPS_LIST.
2005 (copy_DEPS_LIST_list): Update reference to the second operand of the
2007 * rtl.h (alloc_DEPS_LIST): Update signature.
2008 * sched-int.h (ds_t): Change typedef to 'int'.
2009 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2011 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2013 * haifa-sched.c (try_ready): Change condition to restore
2014 non-speculative pattern of the instruction.
2015 (process_insn_depend_be_in_spec): Code to keep probability of the
2016 speculative dependence non-decreasing.
2018 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2020 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2021 (single_move_for_movmem): ... this. Also change all uses.
2022 (bfin_expand_strmov): Renamed to...
2023 (bfin_expand_movmem): ... this. Also change all uses.
2024 * config/bfin/bfin.md (movstrsi): Renamed to...
2025 (movstrsi): ...this.
2027 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2029 PR tree-optimization/26830
2031 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2032 (copy_prop_visit_stmt): Remove write-only variable ann.
2033 (init_copy_prop): Check variable loop depth here. Do not simulate
2034 memory-tag and virtual operand PHIs except for store copy prop.
2036 2006-03-30 Richard Guenther <rguenther@suse.de>
2038 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2039 variants with double arguments.
2041 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2043 * genpreds.c (write_tm_constrs_h): Delete variable p.
2044 * genconditions.c (write_header): Add tm-constrs.h to included
2046 * genpeep.c (main): Add toplev.h to included headers.
2047 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2048 (build/genpeep.o): Add toplev.h dependency.
2049 * config/rs6000/constraints.md: Add "W" constraint.
2051 2006-03-29 Roger Sayle <roger@eyesopen.com>
2053 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2054 sizes by correctly testing whether the size fits a host integer.
2055 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2056 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2057 SImode range for the default sizetype and bitsizetype.
2059 2006-03-29 Roger Sayle <roger@eyesopen.com>
2061 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2062 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2063 quickly if the argument is already of the correct type.
2064 Call fold_build1 instead of build1. Tidy up blank lines.
2066 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2068 * genemit.c (main): Add tm-constrs.h to included headers.
2069 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2070 * genpeep.c (main): Add tm-constrs.h to included headers.
2071 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2072 (write_tm_constrs_h): this and write complete file.
2073 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2074 (write_insn_preds_c): Add tm-constrs.h to included headers.
2075 (gen_constrs): New variable.
2076 (parse_option): Parse "-c".
2077 (main): Invoke write_tm_constrs_h.
2078 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2079 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2080 (object_out_file): Add tm-constrs.h dependency.
2081 (insn-emit.o): Same.
2082 (insn-output.o): Same.
2083 (insn-peep.o): Same.
2084 (insn-preds.o): Same.
2085 (insn-recog.o): Same.
2086 (tm-constsr.h): New target.
2087 (s-constrs-h): New target.
2089 * config/rs6000/constraints.md: New file.
2090 * config/rs6000/rs6000.c: Include tm-constrs.h.
2091 (num_insn_constant_wide): Convert to satisfies_constraint.
2092 (rs6000_rtx_costs): Convert to satisfies_constraint.
2093 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2094 (CONST_OK_FOR_LETTER_P): Delete.
2095 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2096 (EXTRA_CONSTRAINT): Delete.
2097 (EXTRA_MEMORY_CONSTRAINT): Delete.
2098 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2099 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2100 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2101 satisfies_constraint.
2103 * config/i386/i386.c: Include tm-constrs.h.
2105 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2107 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2108 * tree-data-ref.c (find_data_references_in_loop,
2109 compute_data_dependences_for_loop): Use pointers to VEC.
2110 (analyze_all_data_dependences): Adjust calls.
2111 * tree-data-ref.h (find_data_references_in_loop,
2112 compute_data_dependences_for_loop): Adjust declarations.
2113 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2114 compute_data_dependences_for_loop.
2116 2006-03-29 Paul Brook <paul@codesourcery.com>
2118 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2121 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2123 PR tree-optimization/26859
2124 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2126 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2127 for the step after fold_convert.
2129 2006-03-29 Paul Brook <paul@codesourcery.com>
2131 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2132 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2134 2006-03-29 Paul Brook <paul@codesourcery.com>
2137 * targhooks.c (default_narrow_bitfield): New fuction.
2138 * targhooks.h (default_narrow_bitfield): add prototype.
2139 * target.h (gcc_target): Add narrow_volatile_bitfield.
2140 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2141 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2142 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2143 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2145 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2147 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2149 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2150 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2151 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2152 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2153 (s390_function_arg_float): Allow SDmode and DDmode values to be
2154 passed in floating point registers.
2155 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2156 check with SCALAR_FLOAT_MODE_P.
2157 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2159 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2161 PR tree-optimization/25985
2162 * tree-ssa-loop-niter.c (number_of_iterations_le,
2163 number_of_iterations_ne): Make comments more precise.
2164 (number_of_iterations_cond): Add only_exit argument. Use the
2165 fact that signed variables do not overflow only when only_exit
2167 (loop_only_exit_p): New.
2168 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2169 number_of_iterations_cond.
2171 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2173 PR tree-optimization/26643
2174 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2177 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2179 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2180 (divsi3_i4_int): Likewise.
2182 2006-03-28 Roger Sayle <roger@eyesopen.com>
2184 * expr.c (emit_group_store): Only create a new pseudo reg if the
2185 quantity it needs to hold isn't already a suitable pseudo.
2187 2006-03-28 Jeff Law <law@redhat.com>
2189 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2190 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2192 2006-03-28 Roger Sayle <roger@eyesopen.com>
2194 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2195 the equivalent ~X & Y, and the symmetry related transformations.
2196 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2197 ~X & Y, and symmetry related transforms.
2199 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2201 Revert my 2006-03-27 patches.
2203 2006-03-28 Roger Sayle <roger@eyesopen.com>
2205 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2206 ~(T1)X, when T1 and T2 are integer types of the same precision
2207 and (T2)X isn't an extension.
2209 2006-03-28 Jeff Law <law@redhat.com>
2211 PR tree-optimization/26796
2212 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2213 need EH edge cleanups rather than purging them immediately.
2214 (eliminate_degenerate_phis): Handle queued EH cleanups.
2216 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2218 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2221 2006-03-27 Roger Sayle <roger@eyesopen.com>
2224 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2225 cast BIT_NOT_EXPR operand to the correct type.
2227 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2229 * tree-loop-linear.c: Don't include varray.h.
2230 (gather_interchange_stats, try_interchange_loops,
2231 linear_transform_loops): Use VEC instead of VARRAY.
2232 * lambda-mat.c: Don't include varray.h.
2233 * tree-chrec.c: Same.
2234 * lambda-trans.c: Same.
2235 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2236 VEC instead of VARRAY.
2237 * tree-vectorizer.h: Idem.
2238 * tree-data-ref.c (dump_data_references,
2239 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2240 initialize_data_dependence_relation, finalize_ddr_dependent,
2241 compute_all_dependences, find_data_references_in_loop,
2242 compute_data_dependences_for_loop, analyze_all_data_dependences,
2243 free_dependence_relation, free_dependence_relations,
2244 free_data_refs): Idem.
2245 * tree-data-ref.h (data_reference_p, subscript_p): New.
2246 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2247 VEC instead of VARRAY.
2248 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2249 (find_data_references_in_loop, compute_data_dependences_for_loop,
2250 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2251 dump_data_dependence_relations, free_dependence_relations,
2252 free_data_refs): Adjust declaration.
2253 (lambda_transform_legal_p): Move declaration here...
2254 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2255 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2256 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2257 vect_analyze_data_refs): Use VEC instead of VARRAY.
2258 * lambda.h (lambda_transform_legal_p): ...from here.
2259 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2260 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2261 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2262 tree-chrec.o): Don't depend on VARRAY_H.
2264 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2266 * rtl.def (Copyright): Update date.
2267 (DEPS_LIST): Change type of the second operand to 'int'.
2268 * target.h (Copyright): Update date.
2269 (struct gcc_target.speculate_insn): Change type of the second parameter
2271 * lists.c (Copyright): Update date.
2272 (alloc_DEPS_LIST): Change signature. Update reference to the second
2273 operand of the DEPS_LIST.
2274 (copy_DEPS_LIST_list): Update reference to the second operand of the
2276 * rtl.h (Copyright): Update date.
2277 (alloc_DEPS_LIST): Update signature.
2278 * sched-int.h (Copyright): Update date.
2279 (ds_t): Change typedef to 'int'.
2280 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2282 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2284 * haifa-sched.c (Copyright): Update date.
2285 (try_ready): Change condition to restore non-speculative pattern
2287 (process_insn_depend_be_in_spec): Code to keep probability of the
2288 speculative dependence non-decreasing.
2290 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2292 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2293 shut up the compiler.
2295 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2297 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2298 to use lib prefix for target.
2299 ($(T)libic_invalidate_array_4-200.a): Likewise.
2300 ($(T)libic_invalidate_array_4a.a): Likewise.
2302 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2303 J"orn Rennecke <joern.rennecke@st.com>
2305 * superh.opt: New file.
2306 * sh.c (boardtype, osruntime): Remove.
2307 * superh.h (SUBTARGET_OPTIONS): Remove.
2308 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2310 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2311 arguments with ^ and/or [].
2313 * config.gcc (sh-*-*): Add quoting to account for quirk of
2315 Replace == with = in enable_incomplete_targets test.
2317 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2318 with MASK_LITTLE_ENDIAN.
2320 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2321 * config/sh/sh.opt: Added to some comments.
2322 * config/sh/superh.h: Removed some chaff.
2324 * config/sh/sh.opt: Add m4-[1234]00* options.
2325 * config/sh/sh.c (sh_handle_option): Likewise.
2326 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2327 (ic_invalidate_array_4-100.o): New rule.
2328 ($(T)libic_invalidate_array_4-100.a): Likewise.
2329 (ic_invalidate_array_4-200.o): Likewise.
2330 ($(T)libic_invalidate_array_4-200.a): Likewise.
2331 (ic_invalidate_array_4a.o): Likewise.
2332 ($(T)libic_invalidate_array_4a.a): Likewise.
2333 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2334 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2336 * config/sh/crt1.asm: Merged in profiling code.
2337 * config/sh/superh.h (STARTFILE_SPEC): Override.
2338 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2339 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2340 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2342 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2343 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2344 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2346 * sh.opt (mpretend-cmove): New option.
2347 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2348 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2349 (movsicc): Add TARGET_PRETEND_CMOVE code.
2351 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2353 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2354 s390_class_max_nregs): New function prototypes.
2355 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2356 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2357 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2358 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2360 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2362 * dwarf2out.c (add_location_or_const_value_attribute): Call
2363 tree_add_const_value_attribute if nothing else works.
2364 (reference_to_unused): New.
2365 (rtl_for_decl_init): Use reference_to_unused to decide whether
2366 to output an initializer.
2368 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2371 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2372 peephole removing spe frob_di_df_2.
2374 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2376 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2377 (subscript_dependence_tester_1): Declared.
2378 (print_dir_vectors, print_dist_vectors): New.
2379 (debug_data_dependence_relation): New.
2380 (dump_data_dependence_relation): Print more details.
2381 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2382 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2383 (save_dist_v, save_dir_v, add_outer_distances,
2384 build_classic_dist_vector_1): New.
2385 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2386 Don't test for lambda_vector_lexico_pos.
2387 (same_access_functions, add_multivariate_self_dist,
2388 add_other_self_distances, dir_from_dist): New.
2389 (build_classic_dir_vector): Replace implementation almost identical to
2390 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2392 (subscript_dependence_tester_1): New.
2393 (subscript_dependence_tester): Handle the lexicographically negative
2394 distance vectors by recomputing the dependence relation.
2395 (compute_affine_dependence): Remove parameter loop_nest_depth.
2396 (compute_self_dependence): Don't call compute_subscript_distance.
2397 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2398 Add a parameter for the loop_nest.
2399 (find_loop_nest_1, find_loop_nest): New.
2400 (compute_data_dependences_for_loop): Compute the loop nest, and give
2401 up if the nest is not well formed.
2402 * tree-data-ref.h (loop_p): New.
2403 (struct data_dependence_relation): Replace size_vect field with
2404 loop_nest, a vec of loops.
2405 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2406 (DDR_LOOP_NEST): New.
2407 (print_dir_vectors, print_dist_vectors,
2408 debug_data_dependence_relation): Declared.
2409 (index_in_loop_nest): New.
2410 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2411 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2414 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2416 * simplify-rtx.c (simplify_relational_operation): Call
2417 simplify_relational_operation_1 even if mode is VOIDmode.
2419 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2421 PR tree-optimization/26804
2422 * tree.h (DECL_CALL_CLOBBERED): New macro.
2423 (tree_decl_common): Add call_clobbered_flag.
2424 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2425 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2426 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2427 (mark_non_addressable): Ditto.
2428 * tree-ssa.c (verify_call_clobbered): New function.
2429 (verify_alias_info): Use it.
2430 * tree-pass.h (pass_reset_cc_flags): New prototype.
2431 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2432 (reset_cc_flags): New function.
2433 * passes.c (init_optimization_passes): Call reset_cc_flags after
2434 initializing referenced_vars.
2436 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2437 Roger Sayle <roger@eyesopen.com>
2440 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2441 to 1.0 for non-real operands. Implement A / A optimization for
2444 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2446 * config/i386/i386.c (size_cost): Correct the comment for
2447 cost of storing fp registers.
2448 (i386_cost): Likewise.
2449 (i486_cost): Likewise.
2450 (pentium_cost): Likewise.
2451 (pentiumpro_cost): Likewise.
2452 (k6_cost): Likewise.
2453 (athlon_cost): Likewise.
2454 (k8_cost): Likewise.
2455 (pentium4_cost): Likewise.
2456 (nocona_cost): Likewise.
2457 (generic64_cost): Likewise.
2458 (generic32_cost): Likewise.
2460 2006-03-24 Denis Chertykov <denisc@overta.ru>
2462 * config/avr/avr-protos.h (extra_constraint): Delete.
2463 (extra_constraint_Q): New declaration.
2464 * config/avr/constraints.md: New file.
2465 * config/avr/avr.md: Include it.
2466 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2467 (TMP_REGNO, ZERO_REGNO): Likewise.
2468 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2469 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2470 (extra_constraint): Delete.
2471 (extra_constraint_Q): Test for memory constraint 'Q'.
2472 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2473 (REG_CLASS_FROM_LETTER): Delete.
2474 (CONST_OK_FOR_LETTER_P): Delete.
2475 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2476 (EXTRA_CONSTRAINT): Delete.
2477 (TMP_REGNO): Delete.
2478 (ZERO_REGNO): Delete.
2480 2006-03-24 Jeff Law <law@redhat.com>
2482 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2483 directly. Call mark_new_vars_to_rename slightly earlier.
2485 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2487 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2489 (gen_compile_unit_die): Use new language types for Objective-C and
2491 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2492 DW_LANG_C_plus_plus.
2495 * config/t-darwin (crt3.o): Work around bug 26840.
2496 * config/darwin-crt3.c: Rewrite.
2497 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2499 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2501 * doc/invoke.texi: Document -femit-class-debug-always
2502 * common.opt: Add -femit-class-debug-always.
2504 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2506 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2507 index and base register.
2508 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2509 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2510 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2511 REGNO_OK_FOR_INDEX_P.
2512 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2514 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2515 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2516 REG_OK_FOR_BASE_P): Definitions removed.
2518 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2521 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2522 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2523 set yet or weren't marked as local yet.
2525 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2527 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2530 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2532 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2533 (rs6000_legitimate_small_data_p): Delete.
2534 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2535 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2536 and make static. Add forward declaration. Update uses.
2537 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2538 of offsettable_memref_p.
2539 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2540 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2542 2006-03-24 Jeff Law <law@redhat.com>
2544 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2545 around bug in immediate-use iterator.
2547 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2550 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2551 or __LITTLE_ENDIAN__.
2553 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2555 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2556 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2557 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2558 * config/sh/sh.opt (mdiv=): Amend description.
2559 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2560 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2561 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2562 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2563 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2564 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2565 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2566 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2567 TARGET_DIVIDE_CALL_FP.
2569 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2571 * haifa-sched.c (choose_ready): Fix type of the local variable.
2572 Move local variables. Add comment.
2573 (check_reg_live): Change signature. Make callable from debugger.
2574 * sched-int.h (check_reg_live): Update signature.
2575 * sched-ebb.c (check_reg_live): Update parameters.
2576 * sched-rgn.c (check_reg_live): Ditto.
2577 (region_head_or_leaf_p): Check pointer before dereferencing.
2578 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2579 before reload on optimization levels below 1.
2581 2006-03-23 Richard Henderson <rth@redhat.com>
2583 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2587 * config/alpha/predicates.md (local_symbolic_operand): Reject
2590 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2593 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2594 expressions which have overflowed constants.
2596 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2598 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2600 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2602 * cfgloopmanip.c (create_loop_notes): Removed.
2603 * final.c (final_scan_insn): Do not handle loop notes.
2604 * jump.c (squeeze_notes): Ditto.
2605 * cfglayout.c (skip_insns_after_block,
2606 duplicate_insn_chain): Ditto.
2607 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2609 * cfgloop.h (create_loop_notes): Declaration removed.
2611 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2613 * varasm.c (output_constant_pool): Restore fnname and fndecl
2615 (assemble_start_function): Adjust call accordingly.
2616 (assemble_end_function): Likewise.
2618 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2621 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2624 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2626 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2629 * system.h (ICE_EXIT_CODE): New macro.
2630 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2631 (diagnostic_action_after_output): Likewise.
2632 * gcc.c (fatal_ice): New function.
2633 (execute): Use it instead of fatal.
2634 (fancy_abort): Likewise.
2635 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2637 2006-03-22 Jeff Law <law@redhat.com>
2639 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2640 iv_analyze_result returning false.
2642 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2644 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2646 2006-03-22 Richard Henderson <rth@redhat.com>
2649 * except.c (duplicate_eh_regions_0): New.
2650 (duplicate_eh_region_1): Duplicate the children of the node as
2651 well as the node itself. Link them up properly.
2652 (duplicate_eh_region_2): Merge into ...
2653 (duplicate_eh_regions): ... here. Take copy_region argument, and
2654 copy only a sub-tree if asked. Simplify copying and fixup.
2655 (eh_region_outer_p): New.
2656 * except.h (duplicate_eh_regions): Update decl.
2657 (eh_region_outer_p): Declare.
2658 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2659 (lower_omp_master): Likewise.
2660 (lower_omp_ordered): Likewise.
2661 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2662 (move_stmt_r): Use it to remap labels. Handle recursion vs
2663 remap_decls_p properly.
2664 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2665 (find_outermost_region_in_block): New.
2666 (new_label_mapper): New.
2667 (move_sese_region_to_fn): Copy eh information to the new function
2669 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2671 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2674 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2676 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2677 into shared libraries.
2679 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2681 * doc/md.texi: Refer to i386/constraints.md instead of
2683 * config/i386/constraints.md: New file, extracted from...
2684 * config/i386/predicates.md: ...here.
2685 * config/i386/i386.md: Include constraints.md.
2687 2006-03-21 Jason Merrill <jason@redhat.com>
2689 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2692 * expr.c (init_block_move_fn): Force default visibility.
2693 (init_block_clear_fn): Likewise.
2694 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2695 * targhooks.c (default_external_stack_protect_fail): Likewise.
2697 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2699 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2700 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2701 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2702 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2703 (loadgp): Use mips_current_loadgp_style.
2704 (loadgp_noshared): New pattern.
2705 (sibcall_internal): Use MIPS_CALL.
2706 (sibcall_value_internal): Likewise.
2707 (sibcall_value_multiple_internal): Likewise.
2708 (call_internal): Likewise.
2709 (call_value_internal): Likewise.
2710 (call_value_multiple_internal): Likewise.
2711 (call_split): Use MIPS_CALL and add an 'S' constraint.
2712 (call_value_split): Likewise.
2713 (call_value_multiple_split): Likewise.
2714 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2715 (-mshared): New option.
2716 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2717 (mips_current_loadgp_style): Declare.
2718 * config/mips/mips.c (mips_classify_symbol): Avoid using
2719 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2720 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2721 TARGET_ABSOLUTE_ABICALLS.
2722 (override_options): Adjust comments. Improve the warning that is
2723 issued when -mabicalls and -G are used together.
2724 (mips_file_start): Remove comment.
2725 (mips_current_loadgp_style): New function.
2726 (mips_gnu_local_gp): New variable.
2727 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2729 (mips_output_function_prologue): Use mips_current_laodgp_style.
2730 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2731 the cprestore instruction.
2732 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2733 live for TARGET_ABSOLUTE_ABICALLS.
2734 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2735 (ASM_SPEC): Pass down -mshared and -mno-shared.
2736 (MIPS_CALL): New macro.
2737 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2739 * doc/invoke.texi (-mabicalls): Update documentation.
2740 (-mshared): Document.
2742 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2744 * config/ia64/unwind-hpux.c: New file.
2745 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2747 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2750 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2752 2006-03-21 Jeff Law <law@redhat.com>
2754 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2755 type conversions of a VR_VARYING source to a wider type.
2757 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2759 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2760 tm_file on Solaris 10 and later.
2761 (sparc64-*-solaris2*): Likewise.
2762 (sparc-*-solaris2*): Likewise.
2763 * config/sol26.h: Rename to config/sol2-6.h.
2764 * config/sol2-10.h: New file.
2766 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2769 * tree-ssa-pre.c (create_component_ref_by_pieces):
2772 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2775 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2776 return it immediately.
2778 2006-03-21 Michael Matz <matz@suse.de>
2780 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2782 (remove_arc, add_arc): Update num_out_arcs member.
2783 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2785 (cache_presence): New function.
2786 (compare_states_for_equiv): New function.
2787 (state_is_differed): Don't take number of outargs, adjust callers.
2788 Use new invariant for speeding up.
2789 (init_equiv_class): Create initial classes based on sorted
2791 (partition_equiv_class): Don't track out_arcs_num.
2792 (evaluate_equiv_classes): Call cache_presence on all states and
2795 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2797 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2798 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2799 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2800 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2802 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2803 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2804 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2805 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2806 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2808 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2809 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2810 (REGNO_REG_CLASS): ARGP is in PREGS.
2811 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2813 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2814 to deal with those addresses.
2815 * addresses.h: New file.
2816 * caller-save.c: Include "addresses.h".
2817 (init_caller_save): Use new base_reg_class function.
2818 * rtl-factoring.c: Include "addresses.h".
2819 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2820 * recog.c: Include "addresses.h".
2821 (preprocess_constraints): Use new base_reg_class function.
2822 * regrename.c: Include "addresses.h".
2823 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2824 functions. Keep track of a new var INDEX_CODE to compute valid
2826 (replace_oldest_value_addr): Likewise.
2827 (replace_oldest_value_mem): Use base_reg_class.
2828 * reload.c: Include "addresses.h".
2829 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2830 (find_reloads): Use new base_reg_class function.
2831 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2832 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2833 all callers and prototype changed.
2834 * reload1.c: Include "addresses.h".
2835 (maybe_fix_stack_asms): Use base_reg_class.
2836 * regclass.c: Include "addresses.h".
2837 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2838 (init_reg_autoinc): Use new base_reg_class function.
2839 (record_reg_classes): Likewise.
2840 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2841 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2842 Use new args to compute necessary class.
2844 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2845 regrename.o, rtl-factoring.o): Update dependencies.
2846 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2847 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2848 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2849 REG_OK_FOR_INDEX_P): Delete documentation.
2851 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2853 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2854 from V7 to V9 for Solaris 7 and above.
2856 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2858 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2859 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2860 argument pointers may not alias any other storage.
2861 * common.opt: Define option -fargument-noalias-anything.
2862 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2863 alias semantics is specified by flag_argument_noalias > 2.
2865 2006-03-20 Jeff Law <law@redhat.com>
2867 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2868 (pass_phi_only_cprop): Declare.
2869 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2871 * tree-ssa-dom.c (degenerate_phi_result): New function.
2872 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2873 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2874 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2875 (eliminate_degenerate_phis): Likewise.
2876 (pass_phi_only_cprop): New pass descriptor.
2877 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2878 support code. Callers updated.
2879 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2880 (store_copy_prop): Likewise.
2881 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2883 2006-03-20 Jason Merrill <jason@redhat.com>
2886 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2887 (push_visibility, pop_visibility): Likewise.
2888 * c-pragma.h: Declare them.
2890 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2892 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2894 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2895 parameter and use get_ebb_head_tail.
2896 (sh_md_init_global): Adjust uses of find_regmode_weight.
2898 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2900 * function.h (struct function) <x_tail_recursion_reentry>:
2901 Rename to x_stack_check_probe_note.
2902 (tail_recursion_reentry): Rename to stack_check_probe_note.
2903 * function.c: Replace tail_recursion_reentry with
2904 stack_check_probe_note everywhere.
2905 (expand_function_start): Only emit a note for
2906 stack_check_probe_note with -fstack-protect.
2907 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2909 * emit-rtl.c (remove_unnecessary_notes): Remove.
2910 (pass_remove_unnecessary_notes): Remove.
2911 * rtl.h (remove_unnecessary_notes): Remove prototype.
2912 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2913 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2914 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2916 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2919 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2920 (valid_in_set): Handle ARRAY_REF.
2921 Change "if min_variant or VH" to asserts.
2922 (create_component_ref_by_pieces): Handle ARRAY_REF.
2923 (create_expression_by_pieces): Likewise.
2924 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2926 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2928 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2929 is operand of switch, not str[0].
2931 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2933 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2934 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2936 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2938 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2939 end of insn_extra_address_constraint declaration.
2941 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2943 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2944 (no-sum-in-toc): Same.
2945 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2947 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2948 NO_FP_IN_TOC for -fPIC instead of mask.
2950 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2951 (BOOT_LDFLAGS): Delete.
2953 * config/rs6000/t-aix52: Same.
2955 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2956 (stmsi[345678]_power): New.
2958 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2960 * config/ia64/ia64.opt: Add empty line to end of file.
2962 2006-03-17 Richard Guenther <rguenther@suse.de>
2965 * builtins.c (get_pointer_alignment): For component style references
2966 adjust alignment to the component type alignment. Make sure
2967 to adjust alignment for component access of constants.
2969 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2971 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2974 2006-03-17 Paul Brook <paul@codesourcery.com>
2976 * doc/install.texi: Docuemnt --with-mode.
2977 * config.gcc: Add --with-mode for arm*-*-*.
2978 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2980 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2982 * sh.c (max_labelno_before_reorg): New variable.
2983 (sh_reorg): Initialize it.
2984 (find_barrier): Check max_labelno_before_reorg before using
2985 label_to_alignment. Take length of explicit alignment insns
2986 into account. When seeing a UNSPECV_CONST_END, return it.
2988 * sh.c (fixup_mova): Set mode of affected label to QImode.
2989 (untangle_mova): New function.
2990 (find_barrier): Use it. Check mode of label before decrementing
2992 (sh_reorg): Likewise.
2993 Set mode of all insns back to VOIDmode.
2995 * sh.c (MOVA_LABELREF): New macro.
2996 (mova_p, fixup_mova, sh_reorg): Use it.
2997 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2998 ADDR_DIFF_VEC matches mova.
3000 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3002 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3003 with ATTRIBUTE_UNUSED.
3005 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3007 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3008 pointer, instead of assuming it is possible to derive the
3009 correct args size from a call insn.
3011 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3013 * rtl.h (CONST_INT_P): Define.
3014 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3015 instead of GET_CODE(x) == CONST_INT.
3016 (vax_rtx_costs): Likewise.
3017 (vax_output_int_move): Likewise.
3018 (vax_output_int_add): Likewise.
3019 (legitimate_constant_address_p): Likewise.
3020 (index_term_p): Likewise.
3021 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3022 * config/vax/vax.md (and<mode>3): Likewise.
3023 (ashrsi3): Likewise.
3025 (movstricthi): Likewise.
3026 (movstrictqi): Likewise.
3027 (rotrsi3): Likewise.
3028 (five unnamed insns): Likewise.
3030 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3032 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3033 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3034 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3035 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3036 Pass to ASM_OUTPUT_DWARF_OFFSET.
3037 * dwarf2out.c (debug_frame_section): New.
3038 (output_call_frame_info): Use debug_frame_section. Pass it to
3039 dw2_asm_output_offset.
3040 (output_die): Pass appropriate section to dw2_asm_output_offset.
3041 (output_compilation_unit_header): Likewise.
3042 (output_pubnames): Likewise.
3043 (output_aranges): Likewise.
3044 (enum dw_val_class): Break dw_val_class_lbl_offset into
3045 dw_val_class_lineptr and dw_val_class_macptr.
3046 (add_AT_lbl_offset): Delete.
3047 (add_AT_lineptr): New.
3048 (add_AT_macptr): New.
3049 (AT_lbl): Expect a lineptr or macptr.
3050 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3051 (attr_checksum): Likewise.
3052 (same_dw_val_p): Likewise.
3053 (size_of_die): Likewise.
3054 (value_format): Likewise.
3055 (output_die): Likewise.
3056 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3058 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3059 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3060 * config/darwin-protos.h (darwin_file_start): New.
3061 (darwin_asm_output_dwarf_offset): New.
3062 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3063 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3065 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3066 if not EH section; simplify.
3067 (darwin_file_start): New.
3068 (darwin_asm_output_dwarf_offset): New.
3069 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3071 (DEBUG_INFO_SECTION): Likewise.
3072 (DEBUG_ABBREV_SECTION): Likewise.
3073 (DEBUG_ARANGES_SECTION): Likewise.
3074 (DEBUG_MACINFO_SECTION): Likewise.
3075 (DEBUG_LINE_SECTION): Likewise.
3076 (DEBUG_LOC_SECTION): Likewise.
3077 (DEBUG_PUBNAMES_SECTION): Likewise.
3078 (DEBUG_STR_SECTION): Likewise.
3079 (DEBUG_RANGES_SECTION): Likewise.
3080 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3081 (ASM_OUTPUT_DWARF_OFFSET): New.
3083 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3085 * config.gcc (tm_defines): Always add to previous value rather
3088 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3090 * config/mips/predicates.md (splittable_const_int_operand): New,
3091 split from move_operand.
3092 (splittable_symbolic_operand): New.
3093 (move_operand): Add commentary. Use splittable_const_int_operand.
3094 Inline mips_atomic_symbolic_constant_p.
3095 * config/mips/mips.md: Add combine splitters for handling moves
3096 of splittable_const_int_operands and splittable_symbolic_operands.
3097 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3098 (mips_split_symbol): Declare.
3099 (mips_move_integer): Declare.
3100 * config/mips/mips.c (mips_split_p): Make global.
3101 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3102 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3103 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3104 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3105 (mips_offset_within_object_p): Handle block symbols.
3106 (mips_atomic_symbolic_constant_p): Delete.
3107 (mips_cannot_force_const_mem): Return false for constants that
3108 mips_legitimize_move can handle.
3109 (mips_use_blocks_for_constant_p): New function.
3110 (mips_split_symbol): Make global.
3111 (mips_move_integer): Likewise. Add a temporary register argument.
3112 (mips_legitimize_const_move): Use splittable_const_int_operand and
3113 splittable_symbolic_operand.
3114 (mips_use_anchors_for_symbol_p): New function.
3115 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3116 (mips_split_p): Declare.
3118 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3120 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3121 (mips*-*-linux*): Likewise.
3123 2006-03-16 Roger Sayle <roger@eyesopen.com>
3124 Daniel Speyer <dspeyer@wam.umd.edu>
3127 * tree-dump.c (dump_real): New function.
3128 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3129 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3130 (tree-dump.o): Add $(REAL_H) to the dependencies.
3132 2006-03-16 Roger Sayle <roger@eyesopen.com>
3135 * real.c (real_from_string): If the mantissa is zero, don't bother
3136 parsing the exponent as the result should always be zero.
3138 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3140 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3142 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3144 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3145 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3146 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3147 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3148 ia64_sched_finish_global): New static functions to implement
3149 hooks from gcc_target.sched.
3150 (spec_check_no, max_uid, pending_data_specs): New static variables.
3151 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3152 ia64_spec_check_src_p): New static functions.
3153 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3154 (TARGET_SCHED_ADJUST_COST): Removed.
3155 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3156 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3157 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3158 TARGET_SCHED_GEN_CHECK,
3159 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3160 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3161 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3162 Fixed to handle speculation checks.
3163 (rtx_needs_barrier): Fixed to handle speculative loads and
3165 (ia64_variable_issue): Added code to count speculative loads and their
3167 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3169 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3171 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3173 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3174 (ia64_reorg): Reset stops_p to NULL after it is freed.
3175 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3176 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3177 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3179 (data_speculative, control_speculative, check_load): New attributes.
3180 (mov<mode>_advanced, mov<mode>_speculative,
3181 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3182 zero_extend<mode>di2_speculative,
3183 zero_extend<mode>di2_speculative_advanced): New patterns for
3184 data and control speculative loads.
3185 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3187 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3188 New pattern for data and control speculation checks.
3189 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3190 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3191 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3192 Auxiliary definitions for the patterns.
3193 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3194 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3196 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3198 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3199 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3200 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3201 New resource constraints.
3202 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3204 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3205 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3206 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3207 msched-in-control-spec, msched-ldc, msched-control-ldc,
3208 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3209 msched-prefer-non-control-spec-insns,
3210 msched-count-spec-in-critical-path): New flags to tune speculative
3212 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3213 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3214 msched-in-control-spec, msched-ldc, msched-control-ldc,
3215 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3216 msched-prefer-non-control-spec-insns,
3217 msched-count-spec-in-critical-path): Document new flags.
3219 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3221 * target.h (struct spec_info_def): New opaque declaration.
3222 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3223 speculate_insn, needs_block_p, gen_check,
3224 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3225 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3226 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3227 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3228 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3229 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3231 (TARGET_SCHED): Use new macros.
3232 * rtl.h (copy_DEPS_LIST_list): New prototype.
3233 * sched-int.h (struct sched_info): Change signature of new_ready field,
3234 adjust all initializations. New fields: add_remove_insn,
3235 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3236 region_head_or_leaf_p.
3237 (struct spec_info_def): New structure declaration.
3238 (spec_info_t): New typedef.
3239 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3240 recovery_block, orig_pat.
3241 (glat_start, glat_end): New variables declaraions.
3242 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3244 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3245 DETACH_LIFE_INFO, USE_GLAT.
3246 (enum SPEC_SCHED_FLAGS): New enumeration.
3247 (NOTE_NOTE_BB_P): New macro.
3248 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3249 attach_life_info, debug_spec_status, check_reg_live): New functions.
3250 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3251 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3253 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3254 * ddg.c (get_block_head_tail): Adjust all uses.
3255 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3256 (sms_sched_info): Initialize new fields.
3257 (contributes_to_priority): Removed.
3258 * haifa-sched.c (params.h): New include.
3259 (get_block_head_tail): Adjust all uses.
3260 (ISSUE_POINTS): New macro.
3261 (glat_start, glat_end): New global variables.
3262 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3263 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3264 old_last_basic_block, before_recovery, current_sched_info_var,
3265 rgn_n_insns, luid): New static variables.
3266 (insn_cost1): New function. Move logic from insn_cost to here.
3267 (find_insn_reg_weight1): New function. Move logic from
3268 find_insn_reg_weight to here.
3269 (reemit_notes, move_insn, max_issue): Change signature.
3270 (move_insn1): Removed.
3271 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3272 extend_bb): New static functions to support extension of scheduler's
3274 (generate_recovery_code, process_insn_depend_be_in_spec,
3275 begin_speculative_block, add_to_speculative_block,
3276 init_before_recovery, create_recovery_block, create_check_block_twin,
3277 fix_recovery_deps): New static functions to support
3278 generation of recovery code.
3279 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3280 restore_bb_notes, move_block_after_check, move_succs): New static
3281 functions to support ebb scheduling.
3282 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3283 functions to support handling of register live information.
3284 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3285 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3286 add_jump_dependencies): New static functions.
3287 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3288 consistancy checking.
3289 (debug_spec_status): New function to call from debugger.
3290 (priority): Added code to handle speculation checks.
3291 (rank_for_schedule): Added code to distinguish speculative instructions.
3292 (schedule_insn): Added code to handle speculation checks.
3293 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3294 Fixed to handle ebbs.
3295 (move_insn): Added code to handle ebb scheduling.
3296 (max_issue): Added code to use ISSUE_POINTS of instructions.
3297 (choose_ready): Added code to choose between speculative and
3298 non-speculative instructions.
3299 (schedule_block): Added code to handle ebb scheduling and scheduling of
3300 speculative instructions.
3301 (sched_init): Initialize new variables.
3302 (sched_finish): Free new variables. Print statistics.
3303 (try_ready): Added code to handle speculative instructions.
3304 * lists.c (copy_DEPS_LIST_list): New function.
3305 * sched-deps.c (extend_dependency_caches): New function. Move logic
3306 from create_dependency_caches to here.
3307 (get_dep_weak, ds_merge): Make global.
3308 * genattr.c (main): Code to output prototype for
3309 dfa_clear_single_insn_cache.
3310 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3311 (output_dfa_clean_insn_cache_func): Code to output
3312 dfa_clear_single_insn_cache function.
3313 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3315 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3317 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3318 New static variables.
3319 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3320 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3322 (ebb_sched_info): Initialize new fields.
3323 (get_block_head_tail): Adjust all uses.
3324 (compute_jump_reg_dependencies): Fixed to use glat_start.
3325 (schedule_ebb): Code to remove unreachable last block.
3326 (schedule_ebbs): Added code to update register live information.
3327 * sched-rgn.c (region_sched_info): Initialize new fields.
3328 (get_block_head_tail): Adjust all uses.
3329 (last_was_jump): Removed. Adjust users.
3330 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3331 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3332 Implement new hooks.
3333 (check_dead_notes1): New static function.
3334 (struct region): New fields: dont_calc_deps, has_real_ebb.
3335 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3336 (BB_TO_BLOCK): Fixed to handle EBBs.
3337 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3338 (ebb_head): New static variable.
3339 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3340 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3342 (compute_dom_prob_ps): New assertion.
3343 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3344 global_live_at_start.
3345 (init_ready_list): New assertions.
3346 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3347 (new_ready): Add support for BEGIN_CONTROL speculation.
3348 (schedule_insns): Fixed code that updates register live information
3350 (schedule_region): Fixed to handle EBBs.
3351 (init_regions): Use extend_regions and check_dead_notes1.
3352 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3353 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3354 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3355 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3356 TARGET_SCHED_GEN_CHECK,
3357 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3358 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3359 * doc/invoke.texi (max-sched-insn-conflict-delay,
3360 sched-spec-prob-cutoff): Document.
3362 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3364 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3365 inter_tick, queue_index.
3366 (struct sched_info): Change signature of init_ready_list field.
3367 Adjust all initializations.
3368 (RESOLVED_DEPS): New access macro.
3369 (ready_add): Remove prototype.
3370 (try_ready): Add prototype.
3371 * sched-rgn.c (init_ready_list): Use try_ready.
3372 (schedule_region): Initialize
3373 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3374 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3375 (init_ready_list): Use try_ready.
3376 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3377 * lists.c (remove_list_elem): Remove `static'.
3378 (remove_free_INSN_LIST_elem): New function.
3379 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3380 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3381 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3383 (readyp): New variable.
3384 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3385 change_queue_index, resolve_dep): New static functions.
3386 (try_ready): New function. Adjust callers in sched-rgn.c and
3387 sched-ebb.c to use it instead of ready_add.
3388 (clock_var): Move at the begining of file.
3389 (rank_for_schedule): Fix typo.
3390 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3391 (ready_lastpos): Enforce assertion.
3392 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3394 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3395 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3396 (queue_to_ready): Use free_INSN_LIST_list.
3397 (early_queue_to_ready): Fix typo.
3398 (schedule_block): Init readyp. Move init_ready_list call after the
3399 initialization of clock_var. Fix error in rejecting insn by
3400 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3401 that previously corrected INSN_TICKs. Add code for handling
3403 (set_priorities): Fix typo.
3404 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3405 Clarify comment and code that keeps current_sched_info->next_tail
3408 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3410 * sched-rgn.c (extend_rgns): New static function.
3411 (find_rgns): Use it.
3412 (gather_region_statistics, print_region_statistics): New static
3414 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3415 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3417 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3418 Andrey Belevantsev <abel@ispras.ru>
3420 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3421 * lists.c (unused_deps_list): New variable.
3422 (free_list): Add assertions to verify the proper distinguishing
3423 between INSN_LISTs and DEPS_LISTs.
3424 (find_list_elem, remove_list_elem, remove_list_node): New static
3426 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3427 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3428 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3429 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3431 (free_INSN_LIST_node): Likewise.
3432 * modulo-sched.c (current_sched_info): Initialize flags field.
3433 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3434 * rtl.def (DEPS_LIST): Define.
3435 * rtl.h: Declare new functions from lists.c.
3436 * sched-deps.c (spec_dependency_cache): New static variable.
3437 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3438 (add_dependence): Change return type to void. Move the logic to ...
3439 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3440 (delete_all_dependences): Add comment about forward_dependency_cache.
3441 Handle spec_dependency_cache. Handle DEPS_LISTs.
3442 (fixup_sched_groups): Clarify the change of priority of output
3443 and anti dependencies.
3444 (sched_analyze_2): Adjust add_dependence calls to create data
3445 speculative dependence.
3446 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3447 Adjust all callers. Handle DEPS_LISTS.
3448 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3449 presence of speculation.
3450 (init_dependency_caches, free_dependency_caches):
3451 Handle spec_dependency_cache.
3452 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3453 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3454 New static functions.
3455 (add_or_update_back_dep, add_or_update_back_forw_dep,
3456 add_back_forw_dep, delete_back_forw_dep): New functions.
3457 * sched-int.h (ds_t, dw_t): New typedefs.
3458 (struct sched_info): Add new field flags.
3459 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3460 Prototype new sched-deps.c functions.
3461 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3462 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3463 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3464 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3465 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3466 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3468 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3470 * sched-rgn.c (current_sched_info): Initialize flags field.
3471 (schedule_insns): Initialize current_sched_info before the sched_init
3473 * sched-ebb.c (current_sched_info): Initialize flags field.
3474 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3475 Call add_or_update_back_dep instead of add_dependence.
3476 Create control speculative dependencies.
3477 (schedule_insns): Initialize current_sched_info before the sched_init
3480 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3482 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3484 (sh_fallback_frame_state): Likewise.
3486 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3488 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3489 Do switch on default_use_cxa_atexit.
3490 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3491 * config/darwin-crt3.o: New.
3492 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3493 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3494 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3496 * config/rs6000/t-darwin: Move crt2.o building to here.
3497 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3498 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3501 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3503 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3504 from '! xxx' to '!xxx' for coding-style conformance.
3505 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3506 (EXTRA_CONSTRAINT): Likewise.
3507 * config/vax/vax.md (four unnamed insns): Likewise.
3509 2006-03-15 Paul Brook <paul@codesourcery.com>
3511 * config/arm/arm.c (minipool_pad): New.
3512 (add_minipool_forward_ref): Include pool alignment padding in address
3514 (push_minipool_fix): Set minipool_pad.
3515 (minipool_pad): Ditto.
3517 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3519 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3520 instead of GET_CODE() == MEM and REG_P() instead of
3522 (print_operand_address): Likewise.
3523 (vax_address_cost): Likewise.
3524 (vax_rtx_costs): Likewise.
3525 (vax_notice_update_cc): Likewise.
3526 (vax_output_int_add): Likewise.
3527 (INDEX_REGISTER_P): Likewise.
3528 (BASE_REGISTER_P): Likewise.
3529 (nonindexed_address_p): Likewise.
3530 (vax_mode_dependent_address_p): Likewise.
3531 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3532 (PRINT_OPERAND): Likewise.
3533 * config/vax/vax.md (ashlsi3): Likewise.
3534 (ashlsi3): Likewise.
3535 (some more unnamed insns): Likewise.
3537 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3539 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3540 iterator-style macro.
3541 (mark_control_dependent_edges_necessary): Update the use of
3542 EXECUTE_IF_CONTROL_DEPENDENT.
3544 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3546 * config/sh/predicates.md (cache_address_operand): Special.
3547 (ua_address_operand): Likewise.
3549 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3551 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3553 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3555 2006-03-15 Andreas Schwab <schwab@suse.de>
3557 * gensupport.c (identify_predicable_attribute): Don't free p_false
3558 when it is still in use.
3560 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3562 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3563 the default setting here.
3565 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3567 * tree-pass.h (pass_cfg): Remove.
3568 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3569 * passes.c (pass_cfg): Don't run it.
3571 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3573 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3574 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3576 (stack_regs_mentioned): Update the uses of
3577 stack_regs_mentioned_data. Don't access the array beyond its
3579 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3580 Don't include gt-reg-stack.h.
3582 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3583 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3585 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3588 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3591 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3593 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3595 2006-03-14 Richard Guenther <rguenther@suse.de>
3597 PR tree-optimization/26672
3598 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3601 2006-03-14 Richard Guenther <rguenther@suse.de>
3603 PR tree-optimization/26667
3604 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3605 node for the callees. Always allow inlining if it will shrink
3608 2006-03-14 Richard Guenther <rguenther@suse.de>
3611 * builtins.c (get_pointer_alignment): Prefer alignment
3612 information from decls over that from types.
3614 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3617 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3619 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3621 * config/rs6000/rs6000.opt (mdlmzb): New option.
3622 (msched-prolog, msched-epilog): Use Var not Mask.
3623 * doc/invoke.texi (-mdlmzb): Document.
3624 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3626 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3627 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3629 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3631 PR rtl-optimization/25739
3632 * bt-load.c (augment_live_range): Free tos pointer.
3634 * gensupport.c (identify_predicable_attribute): Free
3636 * gcov.c (create_file_names): Free name pointer.
3638 2006-03-13 Roger Sayle <roger@eyesopen.com>
3641 * stmt.c (emit_case_nodes): Handle the case where the index is a
3642 CONST_INT, where the comparison mode is specified by the index type.
3644 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3646 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3649 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3651 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3652 (*branch_fp_inverted): Likewise.
3654 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3657 * omp-low.c (expand_omp_for_generic): Mark istart0
3658 and iend0 as addressable.
3660 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3662 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3664 2006-03-13 Jeff Law <law@redhat.com>
3666 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3667 virtual operands are interesting.
3668 (vrp_visit_stmt): Corresponding changes.
3670 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3672 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3674 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3675 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3676 * config/bfin/crti.S: Use it instead of __PIC__.
3677 * config/bfin/crtn.S: Likewise.
3679 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3680 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3682 Lose 'G' modifier for call operand.
3683 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3684 recognize 'G' modifier.
3686 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3689 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3690 * stmt.c (expand_case): Likewise.
3692 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3694 PR rtl-optimization/26254
3695 * loop-invariant.c (seq_insns_valid_p): New function.
3696 (move_invariant_reg): Only emit new code if it is valid.
3698 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3700 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3702 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3703 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3704 (commit_one_edge_insertion): Do not look for loop notes.
3706 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3708 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3709 flag_test_coverage out of loop.
3711 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3713 * final.c (shorten_branches): Remove outdated comment, and turn
3714 the if branch that guards it to continue.
3716 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3718 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3719 * cfgloop.h (struct loop): Remove unused fields.
3721 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3723 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3724 (-dL, -fdump-rtl-loop2): Update the dump file names
3726 * doc/invoke.texi: Update dump file names.
3728 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3730 * predict.c (estimate_probability): Remove.
3731 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3732 * basic-block.h (estimate_probability): Remove prototype.
3733 * passes.c (finish_optimization_passes): Dump branch prediction or
3734 profiling heuristics to the .profile tree dump.
3735 (init_optimization_passes): Unqueue pass_branch_prob.
3737 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3739 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3741 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3742 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3744 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3746 * function.h (frame_offset_overflow): Declare.
3747 * function.c (frame_offset_overflow): New function.
3748 (assign_stack_local_1): Call it to detect that the offset overflows.
3749 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3751 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3753 * config/sh/sh.c: Include alloc-pool.h.
3754 (label_ref_list_pool): New alloc pool.
3755 (label_ref_list_t): New type for lists of labels.
3756 (struct pool_node): Make wend a label_ref_list_t.
3757 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3759 (dump_table): Likewise.
3760 (sh_reorg): Set up the alloc pool before using add_constant and
3761 dump_table, and destroy it when finishing.
3763 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3765 * config/mips/mips.c: Remove redundant comment.
3767 2006-03-10 Jason Merrill <jason@redhat.com>
3770 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3771 the target was declared 'register'.
3773 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3775 * genpreds.c (write_insn_constraint_len): Change definition of
3776 insn_constraint_len to return size_t to match the declaration.
3778 2006-03-10 DJ Delorie <dj@redhat.com>
3780 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3782 (m32c_expand_insv): Fix test for an AND mask.
3784 2006-03-10 Richard Guenther <rguenther@suse.de>
3787 * builtins.c (get_pointer_alignment): Handle component
3788 references for field alignment.
3790 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3792 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3793 when building with libgloss.
3794 (sh*elf): Implement --without-fp option.
3795 (sh64-superh-linux*): Don't multilib.
3797 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3799 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3801 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3803 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3804 Set it when one of the replacement functions returned true.
3805 Return TODO_cleanup_cfg if cfgchanged is true.
3806 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3808 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3810 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3811 instead of gen_lowpart.
3813 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3815 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3817 (mips_output_order_conditional_branch): Declare.
3818 * config/mips/mips.h (MIPS_BRANCH): New macro.
3819 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3820 for the comparison. Use gen_condjump.
3821 (mips_output_conditional_branch): Rework interface to take the
3822 asm templates for a direct branch and the inverse of a direct branch.
3823 (mips_output_order_conditional_branch): New function.
3824 (mips_builtin_branch_and_move): New function.
3825 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3826 branch condition. Use gen_single_cc as the condition for
3827 __builtin_mips_upper_* or __builtin_mips_lower_*.
3828 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3829 Use VOIDmode for the branch condition.
3830 * config/mips/predicates.md (order_operator): New predicate.
3831 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3832 (branch_fp): Rename to...
3833 (*branch_fp): ...this. Remove mode from comparison operator.
3834 Use new mips_output_conditional_branch interface.
3835 (branch_fp_inverted): Rename to...
3836 (*branch_fp_inverted): ...this and update as for *branch_fp.
3837 (*branch_zero<mode>): Rename to...
3838 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3839 Use mips_output_order_conditional_branch. Only accept ordered
3841 (*branch_zero<mode>_inverted): Rename to...
3842 (*branch_order<mode>_inverted): ...this and update as for
3843 *branch_order<mode>.
3844 (*branch_equality<mode>): Accept zero as the second operand to
3845 the equality operator. Use the new mips_output_conditional_branch
3847 (*branch_equality<mode>_inverted): Likewise.
3848 (condjump): New expander.
3849 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3851 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3852 (bc1any2t, bc1any2f): Likewise.
3853 (single_cc): New expander.
3854 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3856 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3858 * doc/md.texi: Update documentation of MIPS constraints.
3859 * config/mips/constraints.md: New file.
3860 * config/mips/mips.md: Include it.
3861 * config/mips/mips.c (mips_char_to_class): Delete.
3862 (override_options): Don't initialize mips_char_to_class.
3863 * config/mips/mips.h (mips_char_to_class): Delete.
3864 (REG_CLASS_FROM_LETTER): Delete.
3865 (CONST_OK_FOR_LETTER_P): Delete.
3866 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3867 (EXTRA_CONSTRAINT_Y): Delete.
3868 (EXTRA_CONSTRAINT_STR): Delete.
3869 (CONSTRAINT_LEN): Delete.
3870 (EXTRA_MEMORY_CONSTRAINT): Delete.
3872 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3874 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3875 original fn's eh regions.
3877 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3879 * fold-const.c (build_range_check): Make sure to use a valid type to
3880 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3883 (range_predecessor): New static function.
3884 (range_successor): Likewise.
3885 (merge_ranges): Use them to compute predecessors and successors of
3888 2006-03-09 Roger Sayle <roger@eyesopen.com>
3891 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3892 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3894 2006-03-08 DJ Delorie <dj@redhat.com>
3896 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3897 (addpsi3): Expand to include memory operands. Remove
3898 reload-specific splits.
3899 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3900 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3901 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3902 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3903 (shift1_qi, shift1_hi, insv): New.
3904 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3905 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3906 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3908 * config/m32c/m32c-protos.h: Update as needed.
3909 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3910 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3911 Fail for unrecognized R* constraints.
3912 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3913 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3914 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3916 (m32c_init_libfuncs): New.
3917 (m32c_legitimate_address_p): Add debug wrapper.
3918 (m32c_rtx_costs): New.
3919 (m32c_address_cost): New.
3920 (conversions): Add 'B' prefix.
3921 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3922 operands, or word regnames for QI operands. 'B' prints bit
3924 (m32c_expand_setmemhi): New.
3925 (m32c_expand_movmemhi): New.
3926 (m32c_expand_movstr): New.
3927 (m32c_expand_cmpstr): New.
3928 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3929 (m32c_expand_neg_mulpsi3): Handle non-ints.
3930 (m32c_cmp_flg_0): New.
3931 (m32c_expand_movcc): New.
3932 (m32c_expand_insv): New.
3933 (m32c_scc_pattern): New.
3934 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3935 a0/a1 out of SIregs.
3936 (STORE_FLAG_VALUE): New.
3937 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3940 * config/m32c/mov.md: Make constraints more liberal.
3941 (zero_extendqihi2): Optimize r0/r1 case.
3942 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3943 * config/m32c/predicates.md (m32c_any_operand): New.
3944 (m32c_nonimmediate_operand): New.
3945 (m32c_hl_operand): New.
3946 (m32c_r3_operand): New.
3949 (memsym_operand): New.
3950 (memimmed_operand): New.
3951 (a_qi_operand): New.
3952 (m32c_eqne_operator): New.
3953 (m32c_1bit8_operand): New.
3954 (m32c_1bit16_operand): New.
3955 (m32c_1mask8_operand): New.
3956 (m32c_1mask16_operand): New.
3957 * config/m32c/blkmov.md: New file.
3958 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3960 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3962 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3963 unsigned to fix signed/unsigned comparison issue in
3964 DWARF2_FRAME_REG_OUT.
3965 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3966 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3968 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3969 of ptr into the ENABLE_CHECKING section.
3971 2006-03-08 Jeff Law <law@redhat.com>
3973 * tree-vrp.c (infer_value_range): Only count pointer uses
3974 and dereferences if -fdelete-null-pointer-checks is enabled.
3976 * tree-vrp.c (find_assert_locations): Infer value ranges for
3977 single use pointers, but do not create ASSERT_EXPRs for them.
3978 When a non-null range is inferred for a pointer, backwards
3979 propagate that range to other equivalent pointers through the
3982 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3985 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3986 language hook targets.
3987 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3988 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3989 if language hook targets were missing.
3991 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3993 * tree-ssa-opfinalize.h: Removed.
3994 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3996 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3997 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3998 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3999 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4000 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4001 finalize_ssa_v_must_def_ops): New.
4003 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4005 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4008 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4010 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4012 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4013 addresses with offsets; reorganize.
4015 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4016 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4017 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4019 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4022 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4024 2006-03-08 Ben Elliston <bje@au.ibm.com>
4026 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4028 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4031 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4034 2006-03-07 Richard Guenther <rguenther@suse.de>
4036 PR tree-optimization/26587
4037 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4039 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4041 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4043 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4045 * hooks.c (hook_bool_mode_rtx_true): New function.
4046 * hooks.h (hook_bool_mode_rtx_true): Declare.
4047 * toplev.c (compile_file): Call output_shared_constant_pool.
4048 * varasm.c (shared_constant_pool): New variable.
4049 (assemble_start_function, assemble_end_function): Remove arguments
4050 from call to output_constant_pool.
4051 (create_constant_pool): New function, split out from...
4052 (init_varasm_status): ...here.
4053 (force_const_mem): Choose between the shared and per-function constant
4054 pools. Set current_function_uses_const_pool when reusing old entries
4055 as well as when creating new ones.
4056 (mark_constant): Ignore data argument.
4057 (mark_constants): Remove pool argument.
4058 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4059 to decide whether the function uses a constant pool.
4060 (output_constant_pool_contents): New function, split out from...
4061 (output_constant_pool): ...here.
4062 (output_shared_constant_pool): New function.
4063 (init_varasm_once): Initialize shared_constant_pool.
4064 * output.h (output_constant_pool): Delete.
4065 (output_shared_constant_pool): Declare.
4066 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4067 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4069 2006-03-06 Nick Clifton <nickc@redhat.com>
4071 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4072 flag_strength_reduce.
4074 2006-03-06 Ben Elliston <bje@au.ibm.com>
4076 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4077 x86_64-*-linux* configurations.
4079 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4080 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4082 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4084 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4086 * basic-block.h: Remove the extern for
4087 rediscover_loops_after_threading.
4089 * cfgloop.c (cancel_loop): Make it static.
4090 * cfgloop.h: Remove the prototype for cancel_loop.
4092 * flow.c (recompute_reg_usage): Make it static.
4093 * rtl.h: Remove the prototype for recompute_reg_usage.
4095 * function.c (use_return_register): Make it static.
4096 * function.h: Remove the prototype.
4098 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4100 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4102 * recog.h: Remove the prototype for
4103 validate_change_maybe_volatile.
4105 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4107 * rtlanal.c (replace_reg): Remove.
4108 * rtl.h: Remove the prototype for replace_reg.
4110 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4112 * regclass.c (reg_scan_update): Remove.
4113 (reg_scan_mark_refs): Remove the last argument.
4114 * rtl.h: Remove the prototype for reg_scan_update.
4116 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4118 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4119 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4120 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4121 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4122 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4123 loop-invariant.c, omp-low.c, opts.c, passes.c,
4124 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4125 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4126 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4127 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4128 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4129 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4131 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4133 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4134 * dwarf2out.h: Remove the prototype for
4135 dwarf2out_add_library_unit_info.
4137 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4139 * tree.c (add_var_to_bind_expr): Remove.
4140 * tree.h: Remove the prototype for add_var_to_bind_expr.
4142 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4144 * regclass.c (n_non_fixed_regs): Remove.
4145 (init_reg_sets_1, globalize_reg): Remove all uses of
4147 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4149 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4151 * rtlanal.c (insns_safe_to_move_p): Remove.
4152 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4154 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4156 * expmed.c (expand_mult_add): Remove.
4157 * expr.h: Remove the prototype for expand_mult_add.
4159 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4161 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4162 and REG_SAVED_VAL_EXP constants.
4163 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4164 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4165 Handle regs stored by value.
4166 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4167 (execute_cfa_program): Handle DW_CFA_val_offset,
4168 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4169 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4170 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4171 (uw_install_context_1): Handle target regs stored by value.
4173 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4175 * tree-sra.c (tree_sra): Return todoflags;
4176 (generate_one_element): Set TODO_update_smt_usage if needed.
4177 (pass_sra): Remove TODO_update_smt_usage.
4178 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4180 (tree_ssa_forward_propagate_single_use_vars): Return
4181 TODO_update_smt_usage if we need to update SMT usage.
4182 (pass_forwprop): Remove TODO_update_smt_usage.
4184 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4186 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4187 (correct_use_link): Remove reference to get_stmt_operands.
4188 (update_stmt_operands): Likewise.
4189 (get_modify_expr_operands): New function factored out of
4190 parse_ssa_operands and get_expr_operands.
4191 Try to create V_MUST_DEFs for LHS by default.
4192 (get_expr_operands) <case MODIFY_EXPR>: Call
4193 get_modify_expr_operands.
4194 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4195 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4196 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4197 get_modify_expr_operands.
4199 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4201 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4202 * tree-flow.h: Remove the prototype for
4203 referenced_var_lookup_if_exists.
4205 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4207 PR rtl-optimization/26345
4209 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4211 2006-03-03 Roger Sayle <roger@eyesopen.com>
4213 PR tree-optimization/26524
4214 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4215 fold_convert to create a constant of the appropriate type.
4217 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4219 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4220 SYMBOL_REF_IN_BLOCK_P.
4221 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4222 of SYMBOL_FLAG_IN_BLOCK.
4223 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4224 instead of SYMBOL_REF_IN_BLOCK_P.
4225 * explow.c (use_anchored_address): Likewise.
4226 * rtl.c (rtx_size): Likewise.
4227 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4228 instead of SYMBOL_FLAG_IN_BLOCK.
4229 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4230 SYMBOL_REF_IN_BLOCK_P.
4231 (assemble_variable): Likewise.
4232 (output_constant_def_contents): Likewise.
4233 (output_constant_pool): Likewise.
4234 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4235 instead of SYMBOL_FLAG_IN_BLOCK.
4236 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4237 SYMBOL_REF_IN_BLOCK_P.
4238 (SYMBOL_REF_BLOCK): Likewise.
4239 (SYMBOL_REF_OFFSET): Likewise.
4240 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4241 SYMBOL_REF_IN_BLOCK_P.
4242 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4243 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4244 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4245 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4247 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4249 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4251 2006-03-02 Roger Sayle <roger@eyesopen.com>
4253 * simplify-rtx.c (simplify_unary_operation): When simplifying
4254 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4255 that we perform the right shift in the appropriate mode, and
4256 then extend or truncate the result to requested mode.
4258 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4260 * gengtype.c (main): Handle double_int type.
4261 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4262 * double-int.c: New file.
4263 * double-int.h: New file.
4264 * system.h: Include doubleint.h.
4265 * Makefile.in (SYSTEM_H): Include double-int.h.
4266 (double-int.o): Add.
4268 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4271 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4274 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4276 * tree-vrp.c (remove_range_assertions): Do not update statements
4279 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4281 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4283 * gcse.c (rest_of_handle_gcse): Ditto.
4284 * except.c (gate_handle_eh): Ditto.
4285 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4286 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4288 2006-03-02 Eric Christopher <echristo@apple.com>
4290 * config/i386/i386.c (machopic_output_stub): Add indirection to
4293 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4297 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4299 Sun Niagara specific optimizations.
4300 * config.gcc: Recognize niagara as target.
4301 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4302 (TARGET_CPU_niagara): Define.
4303 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4304 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4305 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4306 (ASM_CPU_SPEC): Likewise.
4307 (PROCESSOR_NIAGARA): New enum entry.
4308 (REGISTER_MOVE_COST): Handle Niagara.
4309 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4310 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4311 (sparc_override_options): Recognize "niagara", set appropriate
4312 default MASK_* values for it, and align functions to 32-bytes
4313 by default just like ULTRASPARC/ULTRASPARC3.
4314 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4315 (sparc64_initialize_trampoline): Likewise.
4316 (sparc_use_sched_lookahead): Use zero for niagara.
4317 (sparc_issue_rate): Use one for niagara.
4318 * config/sparc/niagara.md: New file.
4319 * config/sparc/sparc.md: Include it.
4320 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4321 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4322 when default cpu is niagara.
4323 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4324 (ASM_CPU_SPEC): Likewise.
4325 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4326 when default cpu is niagara.
4327 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4328 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4329 just like v9/ultrasparc/ultrasparc3.
4330 * doc/invoke.texi: Add documentation for "niagara" and improve
4331 existing documentation for ultrasparc variants.
4333 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4335 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4337 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4339 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4340 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4341 and say that only one is needed.
4342 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4343 * target.h (have_switchable_bss_sections): New hook.
4344 * explow.c (use_anchored_address): Check that the symbol is in a block.
4345 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4346 (bss_noswitch_section): New variables.
4347 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4348 (get_noswitch_section): New function.
4349 (get_block_for_section): Allow SECT to be null.
4350 (unlikely_text_section_p): Use SECTION_STYLE.
4351 (bss_initializer_p): New function.
4352 (get_variable_section): Move earlier in file. Take a new argument,
4353 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4354 Return one of the new *_sections in such cases.
4355 (get_block_for_decl): New function, extracting some logic from
4356 use_blocks_for_decl_p.
4357 (change_symbol_section): Remove in favor of...
4358 (change_symbol_block): ...this new function.
4359 (use_blocks_for_decl_p): Remove checks now performed by
4361 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4362 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4363 (emit_local, emit_bss, emit_common): ...these new functions.
4364 Return true if the alignment was honored.
4365 (emit_tls_common): New function.
4366 (asm_emit_uninitialised): Delete.
4367 (assemble_variable_noswitch): New function, split out from...
4368 (assemble_variable): ...here. Don't make decisions about common
4369 variables here. Globalize all public decls that go into non-common
4370 sections. Check whether SYMBOL_REF_BLOCK is null.
4371 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4372 (output_constant_pool): Likewise.
4373 (init_varasm_once): Initialize the new section variables.
4374 (have_global_bss_p): New function.
4375 (categorize_decl_for_section): Use bss_initializer_p.
4376 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4377 (place_block_symbol): Assert that the symbol must be in a block.
4378 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4379 (TARGET_INITIALIZER): Include it.
4380 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4381 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4382 (SECTION_MACH_DEP): Bump by two.
4383 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4384 (unnamed_section): Mention SECTION_UNNAMED in comment.
4385 (named_section): Likewise SECTION_NAMED.
4386 (noswitch_section_callback): New type.
4387 (noswitch_section): New structure.
4388 (section): Add a noswitch_section alternative.
4389 (SECTION_STYLE): New macro.
4390 (tls_comm_section, comm_section, lcomm_section): Declare.
4391 (bss_noswitch_section, have_global_bss_p): Declare.
4392 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4393 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4395 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4396 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4399 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4401 * gcc/tree-vrp.c (execute_vrp): Return value.
4402 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4403 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4404 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4405 (tree_lower_complex_O0): Ditto.
4406 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4407 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4408 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4409 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4410 (execute_tail_calls): Ditto.
4411 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4412 * gcc/tree.h (init_function_for_compilation): Ditto.
4413 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4414 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4415 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4416 * gcc/final.c (compute_alignments): Ditto.
4417 (rest_of_handle_final): Ditto.
4418 (rest_of_handle_shorten_branches): Ditto.
4419 (rest_of_clean_state): Ditto.
4420 * gcc/omp-low.c (execute_expand_omp): Ditto.
4421 (execute_lower_omp): Ditto.
4422 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4423 * gcc/ipa-reference.c (static_execute): Ditto.
4424 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4425 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4426 (rest_of_handle_machine_reorg): Ditto.
4427 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4428 * gcc/flow.c (recompute_reg_usage): Ditto.
4429 (rest_of_handle_remove_death_notes): Ditto.
4430 (rest_of_handle_life): Ditto.
4431 (rest_of_handle_flow2): Ditto.
4432 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4433 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4434 (do_ssa_store_ccp): Ditto.
4435 (execute_fold_all_builtins): Ditto.
4436 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4437 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4438 * gcc/ipa-pure-const.c (static_execute): Ditto.
4439 * gcc/cse.c (rest_of_handle_cse): Ditto.
4440 (rest_of_handle_cse2): Ditto.
4441 * gcc/web.c (rest_of_handle_web): Ditto.
4442 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4443 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4444 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4445 * gcc/tree-nrv.c (tree_nrv): Ditto.
4446 (execute_return_slot_opt): Ditto.
4447 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4448 (create_structure_vars): Ditto.
4449 * gcc/loop-init.c (rtl_loop_init): Ditto.
4450 (rtl_loop_done): Ditto.
4451 (rtl_move_loop_invariants): Ditto.
4452 (rtl_unswitch): Ditto.
4453 (rtl_unroll_and_peel_loops): Ditto.
4454 (rtl_doloop): Ditto.
4455 * gcc/gimple-low.c (lower_function_body): Ditto.
4456 (mark_used_blocks): Ditto.
4457 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4458 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4459 (cgraph_early_inlining): Ditto.
4460 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4461 * gcc/jump.c (cleanup_barriers): Ditto.
4462 (purge_line_number_notes): Ditto.
4463 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4464 (rest_of_handle_if_after_reload): Ditto.
4465 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4466 (tree_ssa_loop_im): Ditto.
4467 (tree_ssa_loop_unswitch): Ditto.
4468 (tree_vectorize): Ditto.
4469 (tree_linear_transform): Ditto.
4470 (tree_ssa_loop_ivcanon): Ditto.
4471 (tree_ssa_empty_loop): Ditto.
4472 (tree_ssa_loop_bounds): Ditto.
4473 (tree_complete_unroll): Ditto.
4474 (tree_ssa_loop_prefetch): Ditto.
4475 (tree_ssa_loop_ivopts): Ditto.
4476 (tree_ssa_loop_done): Ditto.
4477 * gcc/predict.c (tree_estimate_probability): Ditto.
4478 * gcc/recog.c (split_all_insns_noflow): Ditto.
4479 (rest_of_handle_peephole2): Ditto.
4480 (rest_of_handle_split_all_insns): Ditto.
4481 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4482 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4483 (rest_of_handle_stack_adjustments): Ditto.
4484 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4485 * gcc/function.c (instantiate_virtual_regs): Ditto.
4486 (init_function_for_compilation): Ditto.
4487 (rest_of_handle_check_leaf_regs): Ditto.
4488 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4489 (rest_of_handle_gcse): Ditto.
4490 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4491 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4492 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4493 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4494 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4495 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4496 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4497 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4498 * gcc/except.c (set_nothrow_function_flags): Ditto.
4499 (convert_to_eh_region_ranges): Ditto.
4500 (rest_of_handle_eh): Ditto.
4501 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4502 (remove_unnecessary_notes): Ditto.
4503 * gcc/except.h (set_nothrow_function_flags): Ditto.
4504 (convert_to_eh_region_ranges): Ditto.
4505 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4506 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4507 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4508 (execute_fre): Ditto.
4509 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4510 (rest_of_handle_jump2): Ditto.
4511 * gcc/tree-sra.c (tree_sra): Ditto.
4512 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4513 (execute_mudflap_function_decls): Ditto.
4514 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4515 (do_store_copy_prop): Ditto.
4516 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4517 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4518 * gcc/tree-ssa-forwprop.c
4519 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4520 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4521 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4522 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4523 (execute_late_warn_uninitialized): Ditto.
4524 * gcc/rtl.h (cleanup_barriers): Ditto.
4525 (split_all_insns_noflow): Ditto.
4526 (purge_line_number_notes): Ditto.
4527 (unshare_all_rtl): Ditto.
4528 (remove_unnecessary_notes): Ditto.
4529 (recompute_reg_usage): Ditto.
4530 (variable_tracking_main): Ditto.
4531 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4532 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4533 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4534 (execute_free_cfg_annotations): Ditto.
4535 (execute_fixup_cfg): Ditto.
4536 (execute_cleanup_cfg_pre_ipa): Ditto.
4537 (execute_cleanup_cfg_post_optimizing): Ditto.
4538 (execute_init_datastructures): Ditto.
4539 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4540 * gcc/combine.c (rest_of_handle_combine): Ditto.
4541 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4542 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4543 (rest_of_handle_reorder_blocks): Ditto.
4544 (rest_of_handle_partition_blocks): Ditto.
4545 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4546 * gcc/tree-profile.c (tree_profiling): Ditto.
4547 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4548 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4549 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4550 (rest_of_handle_sched2): Ditto.
4551 * gcc/basic-block.h (free_bb_insn): Ditto.
4552 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4553 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4554 (remove_useless_stmts): Ditto.
4555 (split_critical_edges): Ditto.
4556 (execute_warn_function_return): Ditto.
4557 (execute_warn_function_noreturn): Ditto.
4558 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4559 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4560 * gcc/passes.c (execute_one_pass): Run additional
4561 todos returned by execute function.
4562 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4565 2006-03-02 Richard Guenther <rguenther@suse.de>
4567 * tree-ssa-alias.c (find_used_portions): Consider taking
4568 the address as making the variable not write-only.
4570 2006-03-02 Nick Clifton <nickc@redhat.com>
4572 * config.gcc (default_use_cxa_atexit): Extend the description of
4573 this configure variable. Set its default value to "yes" for
4574 Linux, NetBSD and ELF targets on the assumption that they will
4575 use C libraries with the __cxa_atexit function.
4577 2006-03-02 Ben Elliston <bje@au.ibm.com>
4579 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4580 parameter as unused to suppress a build warning.
4582 2006-03-02 Ben Elliston <bje@au.ibm.com>
4584 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4587 2006-03-01 Roger Sayle <roger@eyesopen.com>
4590 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4591 declared name, the weak reference name, and the typeof name.
4592 (__gthrw): Avoid expanding the declared name suffix.
4593 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4595 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4597 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4599 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4600 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4601 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4602 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4603 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4604 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4605 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4606 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4607 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4608 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4609 (DW_END_default, DW_END_big, DW_END_little): New.
4610 (DW_END_lo_user, DW_END_hi_user): Define.
4611 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4612 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4613 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4616 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4618 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4620 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4622 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4624 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4626 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4627 to 'symbol_mem_tag'.
4629 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4632 2006-03-01 Roger Sayle <roger@eyesopen.com>
4634 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4636 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4639 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4640 MACHO_DYNAMIC_NO_PIC_P.
4641 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4643 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4646 * config/darwin-protos.h (darwin_asm_output_anchor):
4648 * config/darwin-sections.def (cstring_section):
4649 Add SECTION_MERGE to the flags.
4650 (literal4_section): Likewise.
4651 (literal8_section): Likewise.
4652 (objc_selector_refs_section): Likewise.
4653 (objc_cls_refs_section): Likewise.
4654 * config/darwin.c (darwin_asm_output_anchor): New
4656 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4658 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4660 Fix PR tree-optimization/26443
4661 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4662 to todo and PROP_tmt_usage to properties_destroyed.
4663 * tree-ssa-ccp.c (pass_ccp): Ditto.
4664 (pass_store_ccp): Ditto.
4665 * tree-ssa-dom.c (pass_dominator): Ditto.
4667 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4669 * tree-ssa-operands.c: Cleanup whitespace.
4670 (get_asm_expr_operands): Move before first invocation.
4671 (get_indirect_ref_operands): Likewise.
4672 (get_tmr_operands): Likewise.
4673 (get_call_expr_operands): Likewise.
4674 (append_def): Likewise.
4675 (append_use): Likewise.
4676 (append_v_may_def): Likewise.
4677 (append_v_must_def): Likewise.
4678 (add_call_clobber_ops): Likewise.
4679 (add_call_read_ops): Likewise.
4680 (add_stmt_operand): Likewise.
4681 (add_virtual_operand): Likewise.
4682 (build_ssa_operands): Likewise.
4684 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4689 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4690 with a call expr to ...
4691 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4693 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4695 * tree-vrp.c (extract_range_from_assert): Remove special
4696 handling for types with super-types.
4698 2006-03-01 Ben Elliston <bje@au.ibm.com>
4700 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4701 and powerpc64-*-linux* configurations.
4702 * config/t-dfprules: New file.
4704 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4705 Compile dfp-bit.c from the source directory using -DWIDTH and
4706 $DFP_CFLAGS to control the compilation of that file, rather than
4707 generating width-specific versions in the build directory.
4708 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4709 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4711 2006-02-28 Zack Weinberg <zackw@panix.com>
4713 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4716 2006-02-28 Eric Christopher <echristo@apple.com>
4718 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4719 Set up IN_LIBGCC definition of TARGET_64BIT.
4720 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4722 2006-02-28 Roger Sayle <roger@eyesopen.com>
4725 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4726 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4727 cases via the construction of "expr != 0".
4729 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4731 * alias.c (alias_invariant, alias_invariant_size): Remove.
4732 (record_base_value): Remove.
4733 (memrefs_conflict_p): Don't look at alias_invariant.
4734 (end_alias_analysis): Don't free it.
4735 * alias.h (record_base_value): Remove prototype.
4737 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4738 Adam Nemet <anemet@caviumnetworks.com>
4740 * rtl.h (truncated_to_mode): Declare it.
4741 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4742 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4743 (RTL_HOOKS_INITIALIZER): Include it.
4744 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4745 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4746 reg_truncated_to_mode.
4747 * rtlanal.c (truncated_to_mode): Define it.
4748 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4750 2006-02-28 Jeff Law <law@redhat.com>
4752 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4753 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4754 the range allowed by TYPE_PRECISION.
4756 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4758 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4760 PR tree-optimization/26419
4761 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4764 2006-02-27 Zack Weinberg <zackw@panix.com>
4766 * doc/md.texi: Fix typo in previous change.
4768 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4772 2006-02-27 Zack Weinberg <zackw@panix.com>
4774 * rtl.def (define_constraint, define_register_constraint)
4775 (define_memory_constraint, define_address_constraint): New MD forms.
4776 * gensupport.c (process_rtx): Put define_constraint etc on the
4778 * genpreds.c (process_define_predicate): Adjust comment. Validate
4779 the name, and call validate_exp to validate the expression.
4780 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4781 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4782 all callers changed.
4783 (validate_exp, needs_variable, struct constraint_data)
4784 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4785 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4786 (const_dbl_constraints, constraint_max_namelen)
4787 (have_register_constraints, have_memory_constraints)
4788 (have_address_constraints, have_address_constraints)
4789 (have_extra_constraints, have_const_int_constraints)
4790 (have_const_dbl_constraints, mangle, add_constraint)
4791 (process_define_constraint, process_define_register_constraint)
4792 (write_enum_constraint_num, write_lookup_constraint)
4793 (write_insn_constraint_len, write_regclass_for_constraint)
4794 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4795 (write_insn_extra_memory_constraint)
4796 (write_insn_extra_address_constraint)
4797 (write_satisfies_constraint_fns): New.
4798 (write_tm_preds_h): If we have new-style constraint definitions,
4799 prototype the functions generated from them, and define the
4800 old constraint interface (still used by generic code) in terms of
4802 (write_insn_preds_c): If we have new-style constraint definitions,
4803 generate all relevant functions from those definitions.
4804 (main): Handle define_constraint etc.
4805 * genoutput.c (struct constraint_data, indep_constraints)
4806 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4807 (mdep_constraint_len): New data structures and functions, defined
4808 #ifdef USE_MD_CONSTRAINTS.
4809 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4810 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4811 use new logic to validate operand constraints against constraint
4813 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4815 * defaults.h: If none of the old-style constraint macros are
4816 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4817 old-style macros; and poison REG_CLASS_FROM_LETTER,
4818 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4820 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4821 * doc/md.texi: Document new constraint-definition mechanism and the
4822 C interface it provides. Remove references to old mechanism
4823 elsewhere in the document.
4824 (Machine Constraints): Use pathnames relative to gcc directory,
4825 i.e. config/ARCH/FILE. Change i386 section to refer to
4826 config/i386/predicates.md; update that section to match docstrings.
4827 * doc/tm.texi: Move all documentation of the old constraint-
4828 definition macros to their own section, clearly mark as obsolete.
4830 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4831 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4833 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4834 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4835 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4837 (splits and peepholes): Use satisfies_constraint_*.
4838 * config/i386/i386.c (memory_address_length)
4839 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4841 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4843 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4844 scalar operation to be put back into the loop.
4846 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4849 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4850 (extract_cie_info): Handle S flag in augmentation string.
4851 (execute_cfa_program): If context->signal_frame, execute also
4852 fs->pc == context->ra instructions.
4853 (uw_frame_state_for): If context->signal_frame, don't subtract one
4854 from context->ra to find FDE.
4855 (uw_update_context_1): Set context->signal_frame to
4857 (_Unwind_GetIPInfo): New function.
4858 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4859 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4861 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4862 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4863 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4864 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4865 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4866 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4867 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4868 x86_64_fallback_frame_state): Set fs->signal_frame.
4869 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4870 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4871 (frob_update_context): Likewise. Workaround missing S flag in
4872 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4873 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4874 Remove the psw_addr + 1 hack.
4876 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4878 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4879 with aggregates here.
4880 (find_func_aliases): Remove code for &<aggregate> from here.
4882 2006-02-26 Roger Sayle <roger@eyesopen.com>
4884 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4885 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4886 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4889 2006-02-26 Roger Sayle <roger@eyesopen.com>
4892 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4894 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4896 * opts.c (decode_options): Do not handle flag_strength_reduce.
4897 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4898 and OPT_fstrength_reduce.
4899 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4900 flag_prefetch_loop_arrays for being nonzero.
4901 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4903 (fprefetch-loop-arrays-rtl): Removed.
4904 (flag_prefetch_loop_arrays): Do not specify the value.
4906 * doc/passes.texi: Update documentation of loop optimizer
4908 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4909 -frerun-loop-opt): Remove.
4911 2006-02-26 Richard Guenther <rguenther@suse.de>
4913 PR tree-optimization/26421
4914 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4915 in function calls that are ADDR_EXPRs as using the whole structure.
4917 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4919 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4920 * tree-pass.h (pass_loop_optimize): Remove.
4921 * passes.c (pass_loop_optimize): Never run it.
4922 * toplev.c (backend_init): Don't call init_loop.
4923 * opts.c (flag_loop_optimize_set): Remove.
4924 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4925 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4926 the old RTL loop optimizer when profiling enabled.
4927 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4928 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4929 pre-headers for the sake of the old RTL loop optimizer.
4930 * Makefile.in: Remove all references to loop.o.
4932 * doc/invoke.texi: Remove all references to -floop-optimize
4933 and -frerun-loop-opt.
4935 2006-02-26 Zack Weinberg <zackw@panix.com>
4937 * doc/md.texi (Machine Constraints): Refer to all files with paths
4938 relative to gcc directory (i.e. config/CPU/file). Add missing
4939 @table @code ... @end table to M32C subsection.
4941 2006-02-26 Roger Sayle <roger@eyesopen.com>
4943 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4945 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4947 2006-02-26 Roger Sayle <roger@eyesopen.com>
4948 James A. Morrison <phython@gcc.gnu.org>
4951 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4952 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4953 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4954 signedness of the shift operation.
4956 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4958 PR tree-optimization/26359
4959 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4961 2006-02-25 Roger Sayle <roger@eyesopen.com>
4963 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4964 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4965 as X == 0, and some symmetry related transformations.
4966 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4968 2006-02-25 Roger Sayle <roger@eyesopen.com>
4971 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4972 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4973 symmetry related transformations. Fold (X^C1) == C2 as
4976 2006-02-25 Juergen Weigert <jw@suse.de>
4977 Richard Guenther <rguenther@suse.de>
4979 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4981 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4983 * combine.c (gen_lowpart_or_truncate): Call
4984 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4986 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4988 * doc/invoke.texi: Move -fopenmp description to "Options for
4990 Remove reference to -lgomp.
4992 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4994 * doc/install.texi: Require GNU tar version 1.14.
4996 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4998 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4999 * doc/invoke.texi (C++ Dialect Options): Document
5000 -fno-use-cxa-get-exception-ptr.
5001 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5002 * configure: Regenerate.
5003 * c.opt (fuse-cxa-get-exception-ptr): New.
5004 * c-opts.c (c_common_handle_option): Handle
5005 OPT_fuse_cxa_get_exception_ptr.
5006 * c-common.c (flag_use_cxa_atexit): Update documentation.
5007 (flag_use_cxa_get_exception_ptr): New.
5008 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5009 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5011 (C_COMMON_OVERRIDE_OPTIONS): New.
5013 2006-02-24 Roger Sayle <roger@eyesopen.com>
5016 * combine.c (try_combine): Explicitly check whether GET_CODE is
5017 a SET or a CLOBBER, instead on checking that it isn't a USE.
5019 2006-02-24 Roger Sayle <roger@eyesopen.com>
5021 * fold-const.c (fold_comparison): New subroutine of fold_binary
5022 containing transformations common to both the equality and
5023 ordering relational operators, factored out of fold_binary.
5024 (fold_binary): Separate out the equality operators (EQ_EXPR
5025 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5026 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5027 transformations common to both.
5028 (fold_div_compare): Fix latent bugs in the previously unreachable
5029 LT_EXPR and GE_EXPR cases.
5031 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5033 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5034 decl libname for clog to __clog on AIX.
5036 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5038 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5041 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5042 output traceback table for thunks. Localise rs6000_stack_info call.
5044 2006-02-23 Roger Sayle <roger@eyesopen.com>
5045 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5047 * gthr-posix.h (__gthrw): Fix typo in comment.
5049 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5051 * doc/cpp.texi (Character sets): Document that we do support
5052 input files to be in any character set.
5054 2006-02-23 Jeff Law <law@redhat.com>
5056 * tree.h (PHI_ARG_NONZERO): Remove.
5057 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5058 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5059 node to the new node.
5061 PR tree-optimization/26425
5062 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5063 min/max, then assume its varying.
5065 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5067 PR rtl-optimization/26316
5068 * rtlanal.c (enum may_trap_p_flags): New.
5069 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5070 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5071 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5072 (may_trap_after_code_motion_p): New function.
5073 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5074 (find_invariant_insn): Use may_trap_after_code_motion_p.
5075 * rtl.h (may_trap_after_code_motion_p): Declare.
5077 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5079 * emit-rtl.c (immed_double_const): Cleanup.
5081 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5083 Fix PR tree-optimization/26376
5084 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5087 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5090 * gimplify.c (omp_add_variable): Guard variable size decl test with
5091 DECL_SIZE (decl) check.
5093 2006-02-23 Richard Guenther <rguenther@suse.de>
5096 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5097 like aggregate types.
5099 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5101 * configure.ac: Add --with{,out}-long-double-128 configure option.
5102 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5103 * configure: Rebuilt.
5104 * config.in: Rebuilt.
5105 * doc/install.texi (Options specification): Document
5106 --with-long-double-128.
5108 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5109 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5110 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5111 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5113 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5115 * config/s390/s390.c (override_options): Handle
5116 TARGET_DEFAULT_LONG_DOUBLE_128.
5118 * config/alpha/alpha.c (override_options): Handle
5119 TARGET_DEFAULT_LONG_DOUBLE_128.
5121 * config/sparc/sparc.c (sparc_override_options): Handle
5122 TARGET_DEFAULT_LONG_DOUBLE_128.
5124 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5126 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5127 (real-install-headers-tar, real-install-headers-cpio)
5128 (real-install-headers-cp): New targets.
5130 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5132 * tree.h (variable_section): Delete.
5133 * varasm.c (variable_section): Delete.
5135 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5137 * install.texi: Add notes on install.texi2html.
5138 (Building in parallel): Do not use footnotes.
5140 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5143 * doc/install.texi (Configuration): Document --disable-libgomp.
5145 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5147 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5149 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5151 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5152 (vec_extractv2df_0_sse): New.
5154 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5156 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5157 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5158 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5159 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5160 to the result of the expression.
5161 (def_cfa_1): Adjust.
5162 (frame_pointer_cfa_offset): Rename to...
5163 (frame_pointer_fb_offset): ... this. Adjust all uses.
5164 (convert_cfa_to_loc_list): Rename to...
5165 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5166 Pass it on to build_cfa_loc.
5167 (compute_frame_pointer_to_cfa_displacement): Rename to...
5168 (compute_frame_pointer_to_fb_displacement): ... this. New
5169 offset parameter. Use it in computation.
5170 (gen_subprogram_die): Compute cfa_fb_offset with the new
5171 macro, and use it to compute the fb loc list and the
5174 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5176 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5177 replaced with register_operand.
5178 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5179 non-DREG is expensive.
5180 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5181 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5184 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5186 * doc/install.texi2html: Use set -e.
5188 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5190 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5191 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5192 * doc/invoke.texi (-fshared-data): Delete.
5193 * common.opt (fshared-data): Delete.
5194 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5195 (assemble_static_space): Remove #if 0 code.
5196 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5197 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5198 * config/cris/cris.h: Remove FIXME.
5200 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5202 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5205 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5208 * combine.c (simplify_shift_const_1): Disable nested shifts
5209 optimization for vector shifts.
5211 2006-02-20 Roger Sayle <roger@eyesopen.com>
5213 PR tree-optimization/26361
5214 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5215 of unsigned integer types.
5217 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5219 * tree-chrec.c (eq_evolutions_p): New.
5220 * tree-chrec.h (eq_evolutions_p): Declared.
5221 * tree-data-ref.c: Fix formatting.
5222 (datadep_stats, dependence_stats): New.
5224 (print_direction_vector): New.
5225 (dump_data_dependence_relation): Use print_direction_vector.
5226 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5227 (compute_subscript_distance): Static.
5228 (initialize_data_dependence_relation): Static. Get the number
5229 of loops surrounding the references from the callers, and initialize
5230 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5231 base_object_differ_p analyzers.
5232 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5233 compute_overlap_steps_for_affine_1_2,
5234 analyze_subscript_affine_affine): Count the classified dependences.
5235 Print a message when a test failed.
5236 (can_use_analyze_subscript_affine_affine): New.
5237 (analyze_siv_subscript): Compute the data dependences on symbolic
5238 scevs that verify can_use_analyze_subscript_affine_affine.
5239 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5240 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5241 Handle symbolic scevs.
5242 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5244 (subscript_dependence_tester): Moved...
5245 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5246 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5247 DDR_SIZE_VECT instead of getting it in parameter.
5248 (subscript_dependence_tester): ... here. Take as a parameter
5249 loop_nest_depth. Call build_classic_dist_vector and
5250 build_classic_dir_vector.
5251 (compute_affine_dependence): Update subscript_dependence_tester
5252 parameters. Update datadep_stats counters. Call
5253 compute_subscript_distance.
5254 (compute_self_dependence): Save the dist and dir vectors. Call
5255 compute_subscript_distance.
5256 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5257 (compute_all_dependences): Reorder parameters as they were before
5258 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5259 compute_subscript_distance. Update the use of
5260 compute_affine_dependence and initialize_data_dependence_relation.
5261 (find_data_references_in_loop): Handle COMPONENT_REF.
5262 (compute_data_dependences_for_loop): Initialize dependence_stats.
5263 Don't call build_classic_dist_vector and build_classic_dir_vector.
5264 Update the parameters of initialize_data_dependence_relation and
5265 compute_all_dependences. Print the statistics from datadep_stats.
5266 (analyze_all_data_dependences): Static. Not used until the pass for
5267 checking the data dependences is contributed.
5268 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5269 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5270 (initialize_data_dependence_relation, compute_affine_dependence,
5271 analyze_all_data_dependences, compute_subscript_distance): Removed.
5272 (print_direction_vector): New.
5273 * lambda.h (gcd): ... here.
5274 (lambda_vector_gcd): Moved here from gcd_vector.
5275 * lambda-code.c (gcd, gcd_vector): Removed.
5276 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5277 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5279 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5281 * ipa-type-escape.c: Tidy some comments and white space.
5282 * tree-ssa-operands.c: Likewise.
5284 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5287 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5288 (dump_decl_name): Do not walk the decl tree chains.
5289 * tree-pass.h (TDF_CHAIN): Remove.
5291 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5293 * Makefile.in (C): Remove
5295 (.PHONY): Remove C and PROTO
5297 2006-02-20 Roger Sayle <roger@eyesopen.com>
5300 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5301 deprecated CHAR_TYPE tree code.
5303 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5305 * configure.ac (target_list): Add install-info, dvi, html.
5306 * configure: Regenerate.
5308 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5309 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5310 treelang/Make-lang.in: Do not use double-colon rules.
5312 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5314 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5315 (TMT_USED_ALONE): New macro.
5316 * tree-pass.h (PROP_tmt_usage): New property.
5317 (TODO_update_tmt_usage): New todo.
5318 * tree-ssa-alias.c (updating_used_alone): New variable.
5319 (recalculate_used_alone): New function.
5320 (compute_may_aliases): Set updating_used_alone, call
5321 recalculate_used_alone.
5322 * tree-sra.c (pass_sra): Note that this pass destroys
5323 PROP_tmt_usage, and add TODO_update_tmt_usage.
5324 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5325 * tree-flow.h (updating_used_alone): Prototype.
5326 (recalculate_used_alone): Ditto.
5327 * passes.c (execute_todo): Add code to set updating_used_alone,
5328 and call recalculate.
5329 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5330 for clobber if used alone, and add assert to verify used_alone
5333 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5335 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5336 for non tls symbols added.
5337 (legitimize_address): Do nothing for PLUS expressions if one of the
5338 addends is a tls symbol reference.
5340 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5344 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5346 * Makefile.in (BOOTSTRAPPING): New.
5347 (quickstrap): New definition if BOOTSTRAPPING=yes.
5349 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5350 * configure.ac: Substitute all_selected_languages with the languages
5351 that were configured. For all the other variables except
5352 lang_specs_files, include all the languages in the tree.
5353 * configure: Regenerate.
5355 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5356 if there is one. Run the commands to run fixincludes in the same
5359 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5360 * doc/install.texi: Document exact conventions for searching target tools.
5361 Document --with-build-time-tools. Document toplevel bootstrap. Document
5362 something more about building an Ada cross-compiler. Don't list GNU Make
5363 requirements which affect all platforms.
5365 2006-02-19 Roger Sayle <roger@eyesopen.com>
5368 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5369 only equivalent if the have both the same mode and precision.
5371 2006-02-20 Ben Elliston <bje@au.ibm.com>
5373 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5375 2006-02-19 Roger Sayle <roger@eyesopen.com>
5376 Steven Bosscher <stevenb.gcc@gmail.com>
5378 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5379 constant pool references to identify stack mode constants.
5380 * rtlanal.c (constant_pool_constant_p): New predicate to check
5381 whether operand is a floating point constant in the pool.
5382 * rtl.h (constant_pool_constant_p): Prototype here.
5383 * loop.c (scan_loop): Avoid hoisting constants from the constant
5384 pool on STACK_REGS targets.
5385 (load_mems): Likewise.
5386 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5387 loads into x87 registers expensive in terms of register pressure.
5389 2006-02-19 Roger Sayle <roger@eyesopen.com>
5391 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5392 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5394 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5396 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5397 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5399 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5401 * doc/invoke.texi: Document -fipa-pta.
5402 * common.opt: Add ipa-pta option.
5403 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5404 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5405 (do_ds_constraint): Ditto.
5406 (get_constraint_for): Only add to referenced_vars if
5407 referenced_vars exists.
5408 (insert_into_field_list): Rewrite to do this unsorted.
5409 (insert_into_field_list_sorted): Rename old insert_into_field_list
5411 (create_function_info_for): Use insert_into_field_list_sorted.
5412 (create_variable_info_for): Rewrite so it uses unsorted version,
5413 since the field list is sorted.
5414 (intra_create_variable_infos): Only add to referenced_vars if
5415 referenced_vars exists.
5416 (ipa_pta_execute): Init heapvars, and delete when done.
5417 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5419 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5421 * doc/install.texi: Add missing `@samp'.
5423 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5425 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5428 2006-02-18 Mark Wielaard <mark@klomp.org>
5430 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5431 who added new 4.1 features, bug fixes and integration support.
5433 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5436 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5439 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5441 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5442 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5443 (copy_insn_1): Likewise. Don't copy each field individually.
5445 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5447 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5448 * rtl.c (rtx_size): Rename variable to...
5449 (rtx_code_size): ...this.
5450 (rtx_size): New function.
5451 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5452 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5454 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5455 * rtl.h (rtx_code_size): New variable.
5456 (rtx_size): Change from a variable to a function.
5457 (RTX_SIZE): Rename to...
5458 (RTX_CODE_SIZE): ...this.
5461 PR tree-optimization/17106
5462 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5463 (Anchored Addresses): New section.
5464 * doc/invoke.texi (-fsection-anchors): Document.
5465 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5466 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5467 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5468 * hooks.c (hook_bool_mode_rtx_false): New function.
5469 * hooks.h (hook_bool_mode_rtx_false): Declare.
5470 * gengtype.c (create_optional_field): New function.
5471 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5472 SYMBOL_REF_IN_BLOCK_P is true.
5473 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5474 (min_anchor_offset, max_anchor_offset): Likewise.
5475 (use_anchors_for_symbol_p): New hook.
5476 * toplev.c (compile_file): Call output_object_blocks.
5477 (target_supports_section_anchors_p): New function.
5478 (process_options): Check that -fsection-anchors is only used on
5479 targets that support it and when -funit-at-a-time is in effect.
5480 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5481 if the decl doesn't have one.
5482 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5483 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5484 of force_const_mem through use_anchored_address.
5485 (expand_expr_constant): New function.
5486 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5487 calling expand_expr for INDIRECT_REF.
5488 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5489 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5490 * expr.h (use_anchored_address): Declare.
5491 * loop-unroll.c: Don't declare rtx vectors here.
5492 * explow.c: Include output.h.
5493 (validize_mem): Call use_anchored_address.
5494 (use_anchored_address): New function.
5495 * common.opt (-fsection-anchors): New switch.
5496 * varasm.c (object_block_htab, anchor_labelno): New variables.
5497 (hash_section, object_block_entry_eq, object_block_entry_hash)
5498 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5499 (use_blocks_for_decl_p, change_symbol_section): New functions.
5500 (get_variable_section): New function, split out from assemble_variable.
5501 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5502 use_blocks_for_decl_p say so. Use change_symbol_section if the
5503 symbol has already been created.
5504 (assemble_variable_contents): New function, split out from...
5505 (assemble_variable): ...here. Don't output any code for
5506 block symbols; just pass them to place_block_symbol.
5507 Use get_variable_section and assemble_variable_contents.
5508 (get_constant_alignment, get_constant_section, get_constant_size): New
5509 functions, split from output_constant_def_contents.
5510 (build_constant_desc): Create a block symbol if use_object_blocks_p
5511 says so. Or into SYMBOL_REF_FLAGS.
5512 (assemble_constant_contents): New function, split from...
5513 (output_constant_def_contents): ...here. Don't output any code
5514 for block symbols; just pass them to place_section_symbol.
5515 Use get_constant_section and get_constant_alignment.
5516 (force_const_mem): Create a block symbol if use_object_blocks_p and
5517 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5518 (output_constant_pool_1): Add an explicit alignment argument.
5519 Don't switch sections here.
5520 (output_constant_pool): Adjust call to output_constant_pool_1.
5521 Switch sections here instead. Don't output anything for block symbols;
5522 just pass them to place_block_symbol.
5523 (init_varasm_once): Initialize object_block_htab.
5524 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5525 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5526 (place_block_symbol, get_section_anchor, output_object_block)
5527 (output_object_block_htab, output_object_blocks): New functions.
5528 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5529 (TARGET_ASM_OUT): Include it.
5530 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5531 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5532 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5533 (TARGET_INITIALIZER): Include them.
5534 * rtl.c (rtl_check_failed_block_symbol): New function.
5535 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5536 (block_symbol, object_block): New structures.
5537 (rtx_def): Add a block_symbol field to the union.
5538 (BLOCK_SYMBOL_CHECK): New macro.
5539 (rtl_check_failed_block_symbol): Declare.
5540 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5541 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5542 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5543 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5544 * output.h (output_section_symbols): Declare.
5545 (object_block): Name structure.
5546 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5547 (default_use_anchors_for_symbol_p): Declare.
5548 * Makefile.in (RTL_BASE_H): Add vec.h.
5549 (explow.o): Depend on output.h.
5550 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5551 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5552 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5553 (rs6000_use_blocks_for_constant_p): New function.
5555 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5557 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5559 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5562 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5565 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5567 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5571 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5574 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5575 instead of DECL_REGISTER.
5577 2006-02-18 Olivier Hainque <hainque@adacore.com>
5580 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5582 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5585 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5586 * opth-gen.awk: Handle Var and InverseMask together.
5587 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5588 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5589 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5590 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5592 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5593 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5594 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5595 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5596 LINUX_DYNAMIC_LINKER): Define.
5597 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5598 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5600 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5601 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5602 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5604 (TARGET_C99_FUNCTIONS): Don't define.
5605 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5606 GLIBC_DYNAMIC_LINKER.
5607 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5608 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5609 GLIBC_DYNAMIC_LINKER64): Define.
5610 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5611 LINUX_DYNAMIC_LINKER64.
5612 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5613 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5614 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5615 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5616 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5617 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5618 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5619 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5620 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5621 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5622 and LINUX_DYNAMIC_LINKER32.
5623 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5624 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5625 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5626 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5627 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5629 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5630 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5631 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5632 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5633 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5634 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5635 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5636 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5637 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5638 LINUX_DYNAMIC_LINKER): Define.
5639 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5640 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5641 GLIBC_DYNAMIC_LINKER64): Define.
5642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5643 LINUX_DYNAMIC_LINKER64.
5644 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5645 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5646 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5647 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5648 LINUX_DYNAMIC_LINKER): Define.
5649 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5650 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5651 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5652 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5653 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5654 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5655 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5656 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5657 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5658 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5659 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5660 * doc/invoke.texi (-muclibc): Remove caveat about supported
5663 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5665 * doc/cpp.texi (__TIMESTAMP__): Document.
5667 2006-02-17 Roger Sayle <roger@eyesopen.com>
5670 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5671 C is one less than the width of X (and related transformations).
5672 * simplify-rtx.c (simplify_unary_operation_1): Transform
5673 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5674 depending on STORE_FLAG_VALUE, were C is one less then the
5677 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5679 Fix PR tree-optimization/26341
5680 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5681 about NAME_MEMORY_TAG's.
5683 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5686 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5687 with hardware float support, and software float support. Add fcpy
5688 alternative to hardware patterns. Add alternatives to copy between
5689 general and floating-point registers to the 32-bit pattern.
5690 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5691 secondary reload to load a QI or HI mode constant into a floating
5693 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5694 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5696 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5699 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5701 (load_macho_picbase_di): Likewise.
5703 2006-02-16 Jeff Law <law@redhat.com>
5705 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5706 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5707 (ssa_name_nonzero_p): Likewise.
5708 (get_value_range): Return NULL if VRP is not running.
5709 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5710 VRP routines do not discover a range.
5711 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5712 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5713 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5714 (tree_expr_nonnegative_p): Similarly.
5715 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5716 (restore_nonzero_vars_to_original_value): Remove.
5717 (unsafe_associative_fp_binop): Remove.
5718 (tree_ssa_dominator_optimize): Remove initialization and
5719 finalization of nonzero_vars and nonzero_vars_stack.
5720 (dom_opt_initialize_block): No longer push marker on
5722 (dom_opt_finalize_block): No longer call
5723 restore_nonzero_vars_to_original_value.
5724 (record_equivalences_from_phis): No longer look for
5725 nonzero PHI arguments.
5726 (cprop_into_successor_phis): No longer propagate nonzero
5727 property into PHI arguments. Lose unused argument. Caller
5729 (record_equivalences_from_stmt): No longer record nonzero
5730 values for SSA_NAMEs.
5731 (lookup_avail_expr): No longer use nonzero_vars.
5733 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5734 for sizetype when sizetype is unsigned.
5736 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5738 PR rtl-optimization/25603
5739 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5740 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5741 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5742 with new meaning of SETS.
5744 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5749 * config/linux.opt: New file.
5750 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5751 LINUX_DYNAMIC_LINKER): Define.
5752 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5753 * config.gcc (*-*-linux*): Define extra_options.
5754 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5755 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5756 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5757 GLIBC_DYNAMIC_LINKER.
5758 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5759 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5760 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5761 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5762 * doc/invoke.texi (GNU/Linux Options): New section.
5764 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5766 * config/sparc/sparc.md (setjmp): Rewrite.
5767 (setjmp_32): Delete.
5768 (setjmp_64): Likewise.
5770 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5772 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5775 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5777 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5780 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5782 PR rtl-optimization/26296
5783 * Makefile.in (loop-invariant.c): Add except.h dependency.
5784 * loop-invariant.c: Include except.h.
5785 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5787 2005-02-16 Paul Brook <paul@codesourcery.com>
5789 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5792 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5794 PR rtl-optimization/25636
5795 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5796 when deciding whether an insn is an initializing insn.
5798 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5800 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5801 (tree_code_size): Ditto.
5802 * tree.h (struct tree_memory_tag): Remove parent_var.
5803 (struct tree_struct_field_tag): New.
5806 (union tree_node): Add sft member.
5807 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5809 (create_sft): Add size and offset argument, set SFT_OFFSET and
5811 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5812 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5813 * tree-flow-inline.h (get_subvar_at): Update for
5814 SFT_OFFSET/SFT_SIZE.
5815 (var_can_have_subvars): Ditto.
5816 (overlap_subvar): Ditto.
5817 * print-tree.c (print_node): Print out interesting things for
5819 * tree-flow.h (struct subvar): Remove offset and size members.
5820 * tree-ssa-operands.c (get_expr_operands): Update for
5821 get_indirect_ref_operands changes.
5822 (get_indirect_ref_operands): Call add_virtual_operand instead of
5823 add_stmt_operand. Only recurse on base var if requested.
5824 (access_can_touch_variable): New function.
5825 (add_stmt_operand): Split virtual operand handling into ...
5826 (add_virtual_operand): Here. Add offset, size, and for_clobber
5827 arguments. Prune alias sets.
5828 (add_call_clobber_ops): Call add_virtual_operand.
5830 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5833 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5835 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5836 than TREE_CODE as index into omp_clause_num_ops array.
5838 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5840 PR rtl-optimization/26184
5841 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5843 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5844 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5845 must_precede, must_follow and tobe_scheduled.
5848 * opts.c (common_handle_option): Free new_option pointer.
5849 * df-core.c (df_analyze): Free postorder pointer.
5851 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5853 * Makefile.in: Fix the examples about the use of stamps
5855 2006-02-15 Michael Matz <matz@suse.de>
5859 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5860 influenced by maximum_field_alignment or DECL_PACKED.
5861 (update_alignment_for_field): Ditto.
5862 (place_field): Ditto.
5863 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5866 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5868 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5869 (debug_flow_info): Pass it.
5870 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5871 * bb-reorder.c (reorder_basic_blocks): Likewise.
5872 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5873 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5874 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5875 * gcse.c (gcse_main, bypass_jumps): Likewise.
5876 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5877 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5878 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5879 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5880 * rtl.h (dump_flow_info): Adjust prototype.
5881 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5882 * var-tracking.c (variable_tracking_main): Likewise.
5883 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5884 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5887 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5889 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5892 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5894 PR tree-optimization/26209
5895 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5896 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5898 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5900 2006-02-14 Roger Sayle <roger@eyesopen.com>
5903 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5904 (X,Y) and the corresponding symmetry related transformations.
5905 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5906 (X,Y) and its symmetry related transformations.
5908 2006-02-14 Roger Sayle <roger@eyesopen.com>
5910 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5913 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5915 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5917 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5920 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5921 support COMDAT group.
5922 * configure: Regenerate.
5924 2006-02-14 Roger Sayle <roger@eyesopen.com>
5929 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5931 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5933 Fix PR tree-optimization/26260
5935 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5937 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5938 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5939 * tree-ssa-structalias.c (create_variable_info_for): Use
5940 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5942 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5944 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5946 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5947 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5948 of the ending condition.
5949 * tree-ssa-loop-manip.c: Include params.h.
5950 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5951 tree_unroll_loop): New functions.
5952 * tree-pass.h (pass_loop_prefetch): Declare.
5953 * loop.c (rest_of_handle_loop_optimize): Test for
5954 -fprefetch-loop-arrays-rtl.
5955 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5956 * timevar.def (TV_TREE_PREFETCH): New timevar.
5957 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5958 pass_loop_prefetch): New.
5959 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5960 (cleanup_tree_cfg_loop): Call scev_reset.
5961 * common.opt (fprefetch-loop-arrays-rtl): Add.
5962 * tree-ssa-loop-prefetch.c: New file.
5963 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5964 (new_temp_expr_table): Initialize expr_vars.
5965 (free_temp_expr_table): Cleanup expr_vars.
5966 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5967 expressions from being merged into one.
5968 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5969 (struct tree_niter_desc): Add control, bound and cmp fields.
5970 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5972 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5973 (tree-cfgcleanup.o): Add SCEV_H dependency.
5974 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5975 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5977 2006-02-14 Richard Guenther <rguenther@suse.de>
5979 PR tree-optimization/26258
5980 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5981 in PHI argument processing.
5983 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5985 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5986 new expression in the requested machine mode.
5988 2006-02-13 Roger Sayle <roger@eyesopen.com>
5990 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5991 directly, instead let do_compare_rtx_and_jump handle this for us.
5992 * expr.c (expand_expr_real_1): Likewise.
5993 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5994 before do_jump_by_parts_greater.
5995 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5996 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5998 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6000 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6002 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6004 PR rtl-optimization/26235
6005 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6006 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6009 2006-02-13 Jeff Law <law@redhat.com>
6011 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6014 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6017 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6018 twice if decl is a builtin. When trying again, call get_callee_fndecl
6019 first to verify it is still a builtin.
6021 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6023 * dwarf2out.c (base_type_die): Don't add AT_name here.
6024 (subrange_type_die): Don't add AT_name here.
6025 (modified_type_die): Rearrange code flow. Do add AT_name here.
6027 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6029 PR rtl-optimization/26247
6030 PR rtl-optimization/26248
6031 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6033 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6035 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6036 * config/fixtfdi.c: Likewise.
6037 * config/fixunstfdi.c: Likewise.
6038 * config/floatditf.c: Likewise.
6040 2006-02-13 Roger Sayle <roger@eyesopen.com>
6043 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6044 into (X,C2) if C1 is a subset of the bits of C2. Transform
6045 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6047 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6049 2006-02-13 Josh Conner <jconner@apple.com>
6052 * varasm.c (function_section): Check for section name before
6053 calling select_section on targets that define
6054 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6055 unlikely_text_section instead of hot_function_section if
6056 first_function_block_is_cold.
6058 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6061 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6063 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6065 PR rtl-optimization/26222
6066 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6067 after tree->rtl expansion.
6068 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6069 before passing it to emit_move_insn.
6071 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6073 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6075 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6076 Clarify documentation.
6077 * c-common.h (warn_write_strings): Remove.
6078 * c-common.c (warn_write_strings): Likewise.
6079 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6082 2006-02-12 Roger Sayle <roger@eyesopen.com>
6085 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6086 (do_jump_parts_zero_rtx): New function renamed from
6087 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6088 (do_jump_parts_equality_rtx): New function split out from
6089 do_jump_parts_equality. Old implementation renamed as above.
6090 Call do_jump_parts_zero_rtx if either operand is zero.
6091 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6092 do all of the heavy lifting.
6093 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6094 calling either do_jump_by_parts_greater_rtx or
6095 do_jump_by_parts_equality_rtx.
6096 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6097 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6098 moved to do_compare_rtx_and_jump, call it directly.
6099 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6100 mode argument. Call do_compare_rtx_and_jump.
6101 (emit_case_nodes): Update calls to do_jump_if_equal.
6103 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6105 PR rtl-optimization/26225
6106 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6108 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6110 PR rtl-optimization/26232
6111 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6113 2006-02-11 Jason Merrill <jason@redhat.com>
6116 * tree-inline.c (declare_return_variable): Just don't use the
6117 modify target if it's a gimple complex reg and the return slot
6120 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6122 * doc/contrib.texi: Update my entry.
6124 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6126 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6128 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6130 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6133 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6135 * doc/invoke.texi (-floop-optimize2): Removed.
6136 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6137 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6138 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6139 * common.opt (floop-optimize2): Removed.
6140 (fmove-loop-invariants): Enabled by default.
6142 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6144 * tree-if-conv.c (combine_blocks): Free the result of
6145 get_loop_exit_edges.
6147 2006-02-10 Jeff Law <law@redhat.com>
6149 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6151 PR tree-optimization/26213
6152 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6153 loop trying to follow SSA_NAME_VALUE chains.
6155 2006-02-10 Richard Guenther <rguenther@suse.de>
6157 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6158 deal with structures that end in implicitly variable sized arrays.
6160 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6162 PR rtl-optimization/24762
6163 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6166 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6168 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6169 (struct ivopts_data): Add regs_used field.
6170 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6171 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6172 instead of loop_data->regs_used;
6173 (free_loop_data): Do not free aux fields for loops.
6174 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6175 and tree_ssa_iv_optimize_finalize.
6177 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6179 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6181 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6184 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6185 computing the effective result type.
6187 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6190 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6191 (tree_overlaps_hard_reg_set): Declare.
6192 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6193 type and signature to match function type expected by walk_tree.
6194 (tree_overlaps_hard_reg_set): New function.
6195 (decl_conflicts_with_clobbers_p): Rename to:
6196 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6197 Use tree_overlaps_hard_reg_set. Changed caller.
6198 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6199 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6200 * cris.c (cris_md_asm_clobbers): Likewise.
6202 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6204 * reload1.c (emit_input_reload_insns): Delete code that tries to
6205 inherit using find_equiv_reg.
6207 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6209 * c-common.h (flag_const_strings): Don't declare.
6210 * c-common.c (flag_const_strings): Remove.
6211 * c.opt (fconst_strings): Remove.
6212 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6213 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6214 (c_common_init_options): Don't set flag_const_strings.
6215 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6217 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6219 * arm.md (tlobits_cbranch): New pattern.
6220 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6221 testing a single bit.
6223 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6226 * tree-ssa-pre.c (create_component_ref_by_pieces):
6227 Handle RETURN_DECL like VAR_DECL.
6229 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6232 * fold-const.c (fold_indirect_ref_1): Fold
6233 "*(foo *)&complexfoo" to "__real__ complexfoo"
6234 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6236 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6238 * tree-flow-inline.h (var_can_have_subvars):
6239 Volatile variables should not have subvariables.
6241 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6244 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6245 multiplying unsigned values.
6248 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6250 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6252 2006-02-08 Jason Merrill <jason@redhat.com>
6255 * tree.def: Elaborate on difference from MODIFY_EXPR.
6256 * doc/c-tree.texi (INIT_EXPR): Likewise.
6257 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6258 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6259 (gimplify_target_expr): Likewise.
6260 (gimplify_cond_expr): Remove target handling.
6261 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6262 (gimplify_expr): Clobber it here.
6263 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6264 Do return slot optimization if we have an INIT_EXPR.
6267 * tree-inline.c (declare_return_variable): Also clear
6268 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6271 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6274 * gimplify.c (gimplify_one_sizepos): Fix typo.
6276 2006-02-08 Jeff Law <law@redhat.com>
6278 PR tree-optimization/21417
6279 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6280 across a backedge if the control statement at the end of the
6281 block is data dependent on other statements in the same block.
6282 (record_temporary_equivalences_from_stmts): Remove over-conservative
6283 test for threading across backedges.
6285 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6286 control statement, handle all three special cases in the same
6287 manner as they all have the same desired solution. No longer
6288 special case edge flag updating when the post dominator is
6291 2006-02-08 Roger Sayle <roger@eyesopen.com>
6293 * tree.def (CHAR_TYPE): Remove.
6294 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6295 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6296 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6297 (gen_string_type_die): Delete unreachable function.
6299 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6300 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6301 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6302 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6303 * builtins.c (type_to_class): Likewise.
6304 * fold-const.c (fold_convert, build_range_check,
6305 merge_ranges): Likewise.
6306 * expr.c (count_type_elements): Likewise.
6307 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6308 * stor-layout.c (layout_type): Likewise.
6309 * ipa-type-escape.c (type_to_consider): Likewise.
6310 * gimplify.c (omp_firstprivatize_type_sizes,
6311 gimplify_type_sizes): Likewise.
6312 * explow.c (promote_mode): Likewise.
6313 * tree-sra.c (is_sra_scalar_type): Likewise.
6314 * varasm.c (output_constant): Likewise.
6315 * tree-inline.c (remap_type_1): Likewise.
6316 * convert.c (convert_to_pointer, convert_to_real,
6317 convert_to_integer, convert_to_complex): Likewise.
6319 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6321 * df-scan.c (df_def_record_1): A set destination may
6322 be a parallel regardless of mode.
6324 2006-02-08 Roger Sayle <roger@eyesopen.com>
6327 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6328 * config/mips/_tilib.c: Remove.
6329 * config/fixtfdi.c: New libgcc source file.
6330 * config/fixunstfdi.c: New source file.
6331 * config/floatditf.c: New source file.
6332 * config/floatunditf.c: New souce file.
6333 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6334 files above instead of config/mips/_tilib.c.
6335 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6337 2006-02-08 Jeff Law <law@redhat.com>
6339 PR tree-optimization/26169
6340 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6343 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6345 * df.h (DF_REG_SIZE): Return the length of the initialized
6348 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6350 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6351 __muldf3): Return a correctly signed zero.
6353 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6355 * passes.c (register_one_dump_file): Accept the current properties
6356 instead of pass number. Adjust call to dump_register. Remove
6358 (register_dump_files): Now a wrapper around...
6359 (register_dump_files_1): ... this one. Do not modify the pass
6361 (next_pass_1): Cosmetic fix.
6362 (execute_todo): Keep second parameter only. Use curr_properties
6363 instead of fetching it from the pass structure. Check and set
6365 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6366 instead of fetching it from the pass structure. Fix calls to
6367 execute_todo. Update curr_properties and initialize .vcg RTL dump
6368 after running the pass. Reset last_verified.
6369 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6371 (FIRST_AUTO_NUMBERED_DUMP): New.
6372 (dump_register): Remove "num" parameter, assign it within the
6374 (get_dump_file_name): Modify template for dumps.
6375 * tree-dump.h (dump_register): Adjust prototype.
6376 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6377 (PROP_trees): Add PROP_gimple_lomp.
6378 (TODO_set_props): New.
6379 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6380 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6381 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6383 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6385 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6386 (sparc64-*-linux*): Likewise.
6387 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6388 * config/sparc/t-linux: New file.
6389 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6390 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6391 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6392 -m32 -mlong-double-128.
6394 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6395 * config/alpha/t-linux: New file.
6396 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6398 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6399 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6400 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6401 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6402 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6403 (CPP_ARCH32_SPEC): Remove.
6405 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6407 PR tree-optimization/26145
6408 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6411 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6414 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6415 >= 240000 when generating code for SOM runtime.
6416 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6417 to $$dyncall when generating code for SOM runtime..
6419 2006-02-07 Dirk Mueller <dmueller@suse.com>
6422 * doc/invoke.texi (-Wsequence-point): Update documentation
6423 that -Wsequence-point is implemented for C++ as well.
6425 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6427 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6428 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6429 (LIB_SPEC): Likewise.
6430 * doc/invoke.texi (SPARC options): Document -pthread.
6432 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6434 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6437 2006-02-07 Roger Sayle <roger@eyesopen.com>
6439 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6440 Correct comment describing BOOLEAN_TYPE.
6442 2006-02-07 Dirk Mueller <dmueller@suse.com>
6444 * c.opt: C++ frontend supports -Wdiv-by-zero.
6445 * c-opts.c (c_common_handle_option): Remove dead case.
6447 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6449 * configure.ac (TLS assembler check): Do not enable TLS by
6450 default on SPARC/Solaris before version 10.
6451 * configure: Regenerate.
6453 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6455 * doc/invoke.texi (xl-compat): Document conversion and support
6458 2006-02-07 Jeff Law <law@redhat.com>
6460 * tree-vrp.c (find_conditional_asserts): Update comments.
6461 (simplify_stmt_for_jump_threading): New.
6462 (identify_jump_threads, finalize_jump_threads): New.
6463 (vrp_finalize): Call identify_jump_threads.
6464 (execute_vrp): Call finalize_jump_threads.
6465 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6466 (vrp_element, vrp_data, vrp_element_p): Remove.
6467 (vrp_hash_elt, vrp_variables_stack): Remove.
6468 (vrp_hash, vrp_eq, record_range): Remove.
6469 (simplify_cond_and_lookup_avail_expr): Remove.
6470 (extract_range_from_cond): Remove.
6471 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6472 (simplify_stmt_for_jump_threading): New.
6473 (dom_thread_across_edge): New wrapper.
6474 (tree_ssa_dominator_optimize): No longer initialize or
6475 finalize any of the VRP datastructures. Remove iteration
6476 step and simplify as a result of removal of iteration step.
6477 (pass_dominator): Perform a cfg cleanup after DOM.
6478 (dom_opt_finalize_block): Use the new common routines
6479 for threading jumps. Simplify stack management slightly.
6480 No longer need to unwind VRP state.
6481 (record_equivalences_from_incoming_edge): No longer record
6483 (eliminate_redundant_computations): No longer call
6484 simplify_cond_and_lookup_avail_expr.
6485 * tree-flow.h (potentially_threadable_block): Prototype.
6486 (thread_across_edge): Likewise.
6487 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6488 (tree-ssa-threadedge.o): Add dependencies.
6489 * tree-ssa-threadedge.c: New file.
6490 * passes.c (init_optimization_passes): Merge PHIs before
6491 calling VRP. Run VRP again late in the SSA optimization pipeline.
6493 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6495 * df-core.c (df_set_blocks): Do not dereference function pointers.
6496 (df_finish1): Likewise.
6497 (df_hybrid_search_forward): Likewise.
6498 (df_hybrid_search_backward): Likewise.
6499 (df_iterative_dataflow): Likewise.
6500 (df_analyze_problem): Likewise.
6501 (df_compact_blocks): Likewise.
6502 (df_dump): Likewise.
6503 * df-scan.c (df_rescan_blocks): Likewise.
6504 (df_record_entry_block_defs): Likewise.
6506 * genconditions.c (write_conditions): Guard the definition of
6507 'insn_conditions' with the check on GCC version.
6508 (write_writer): Guard the traversal 'insn_conditions' with
6509 the check on GCC version.
6511 2006-02-07 Richard Guenther <rguenther@suse.de>
6515 2006-01-30 Richard Guenther <rguenther@suse.de>
6517 * gimplify.c (gimplify_target_expr): Handle easy cases
6518 without creating a temporary.
6520 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6522 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6523 use of float in probability computations. Use edge probabilities
6524 in place of statically computed probabilities.
6525 (min_spec_prob): New static variable.
6526 (schedule_insns): Initialize it.
6527 (GET_SRC_PROB): Removed.
6528 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6530 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6533 * config/ia64/unwind-ia64.c: Revert last change.
6534 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6535 (INCOMING_FRAME_SP_OFFSET): Define.
6537 2006-02-06 Roger Sayle <roger@eyesopen.com>
6539 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6541 2006-02-07 Ben Elliston <bje@au.ibm.com>
6543 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6544 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6545 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6546 (ix86_return_in_memory): Handle TDmode.
6547 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6548 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6550 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6552 * reorg.c (dbr_schedule): Use dump_file instead of file.
6554 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6557 * config/ia64/predicates.md (extr_len_operand): New predicate.
6558 * config/ia64/ia64.md (extv): Tighten constraints.
6560 (*tbit_and_2): Ditto.
6561 (*tbit_and_3): Ditto.
6562 (*tbit_or_2): Ditto.
6563 (*tbit_or_3): Ditto.
6567 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6570 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6572 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6574 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6575 loop_optimizer_init and loop_optimizer_finalize
6576 * tree-ssa-sink.c (execute_sink_code): Ditto.
6577 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6578 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6579 tree_ssa_loop_done): Ditto.
6580 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6581 * sched-ebb.c: Include output.h.
6582 (schedule_ebbs): Do not use dump argument.
6583 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6584 * loop.c (loop_dump_stream): Removed.
6585 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6587 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6588 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6589 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6590 loop_iterations, strength_reduce, record_biv, record_giv,
6591 final_giv_value, check_final_value, check_ext_dependent_givs,
6592 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6593 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6594 dump_file instead of loop_dump_stream.
6595 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6597 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6599 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6600 * haifa-sched.c: Include output.h
6601 (schedule_insns, sched_init): Do not use dump argument.
6602 * mode-switching.c (optimize_mode_switching): Ditto.
6603 * modulo-sched.c (stats_file): Removed.
6604 (print_node_sched_params): Do not call argument dump_file.
6605 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6606 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6608 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6610 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6611 rtl_loop_init, rtl_loop_done): Ditto.
6612 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6613 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6615 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6616 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6617 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6618 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6619 * emit-rtl.c (renumber_insns): Ditto.
6620 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6621 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6622 * regclass.c (regclass): Ditto.
6623 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6624 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6625 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6626 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6628 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6629 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6631 * gcse.c (gcse_file, debug_stderr): Removed.
6632 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6633 rest_of_handle_gcse): Do not use dump argument.
6634 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6635 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6636 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6637 compute_code_hoist_vbeinout, compute_code_hoist_data,
6638 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6639 compute_store_table, build_store_vectors, insert_insn_start_bb,
6640 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6641 store_motion): Use dump_file instead of gcse_file.
6642 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6643 * profile.c (profile_dump_file): Removed.
6644 (branch_prob): Use dump_file instead of profile_dump_file.
6645 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6647 * tree-ssa-copy.c (dump_copy_of): Ditto.
6648 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6649 dump file to life_analysis.
6650 * bt-load.c (branch_target_load_optimize): Ditto.
6651 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6653 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6654 regclass, dbr_schedule): Declaration changed.
6655 * sched-int.h (sched_init): Declaration changed.
6656 * tree-profile.c (tree_profile_dump_file): Removed.
6657 (tree_profile_hooks): Removed profile_dump_file hook.
6658 * rtl-profile (rtl_profile_dump_file): Removed.
6659 (rtl_profile_hooks): emoved profile_dump_file hook.
6660 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6662 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6663 * tree-cfg.c (build_tree_cfg): Ditto.
6664 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6665 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6666 Declaration changed.
6667 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6668 life_analysis and schedule_insns.
6669 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6671 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6673 * config/mips/mips.c (mips_reorg): Ditto.
6674 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6677 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6679 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6680 (s390_mangle_fundamental_type): New.
6681 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6684 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6685 (alpha_mangle_fundamental_type): New.
6686 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6689 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6691 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6693 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6694 (sparc_mangle_fundamental_type): New.
6696 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6698 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6699 (s390x-*-linux*): Likewise.
6700 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6701 * config/s390/t-linux: New file.
6703 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6705 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6706 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6708 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6710 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6711 (ANTIC_SAFE_LOADS): New macro.
6712 (find_or_generate_expression): Add prototype.
6713 (set_contains_value): Allow null set for sake of not always having
6714 to allocate ANTIC_SAFE_LOADS.
6715 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6716 Allow COMPONENT_REF too.
6717 (valid_in_set): Allow COMPONENT_REF.
6718 Check ANTIC_SAFE_LOADS too.
6719 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6720 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6722 (can_PRE_operation): Add COMPONENT_REF.
6723 (create_component_ref_by_pieces): New function.
6724 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6725 (insert_aux): Move AGGREGATE_TYPE_P check here.
6726 (compute_avail): Set bb local stmt uids.
6727 (pass_pre): Use TODO_update_ssa_only_virtuals.
6729 2006-02-06 Ben Elliston <bje@au.ibm.com>
6731 * configure.ac: Unconditionally disable decimal float by default.
6732 * configure: Regenerate.
6734 2006-02-06 Ben Elliston <bje@au.ibm.com>
6736 * read-rtl.c (read_name): Terminate reading on EOF.
6738 2006-02-06 Ben Elliston <bje@au.ibm.com>
6740 * dfp.c (decimal_real_arithmetic): Change second argument type
6741 from int to enum tree_code. Do not always return true, but now
6742 return result of any call to decimal_do helper functions.
6743 * dfp.h (decimal_real_arithmetic): Update prototype.
6745 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6747 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6749 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6752 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6755 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6757 * tree-vrp.c (cfg_loops): Removed.
6758 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6759 Use current_loops instead of cfg_loops. Pass flags to
6760 loop_optimizer_init.
6761 * cfgloopmanip.c (fix_loop_structure): Update only available
6763 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6764 loop_optimizer_init.
6765 * modulo-sched.c (build_loops_structure): Removed.
6766 (sms_schedule): Use loop_optimizer_init.
6767 * loop-init.c (loop_optimizer_init): Use flags to determine
6768 which properties of loops to prepare.
6769 (rtl_loop_init): Pass flags to loop_optimizer_init.
6770 * tree-ssa-sink.c (execute_sink_code): Ditto.
6771 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6772 * tree-ssa-pre.c (init_pre): Ditto.
6773 * cfgloop.h (LOOPS_NORMAL): New.
6774 (loop_optimizer_init): Declaration changed.
6776 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6778 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6779 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6781 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6783 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6785 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6786 * pa/t-pa64: Delete quadlib.c rule.
6787 * pa/x-ada: Revert last change.
6788 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6790 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6792 PR rtl-optimization/26087
6793 * rtlanal.c (canonicalize_condition): Do not cross basic block
6796 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6799 * config/ia64/ia64.c: Include debug.h.
6800 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6801 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6802 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6803 (process_epilogue, process_set, process_for_unwind_directive):
6804 Output unwind info only if requested. Add CFA info if requested.
6805 Add new arguments as needed. Adjust callers.
6806 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6808 (DWARF2_FRAME_INFO): Define to zero.
6809 * config/ia64/unwind-ia64.c: Remove code that compensated for
6810 the CFA offset error fixed above.
6811 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6812 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6813 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6814 -funwind-tables and -fexceptions to enable frame info.
6815 (dwarf2out_frame_init): Define initial CFA even if
6816 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6817 DWARF2_UNWIND_INFO is nonzero, not just defined.
6818 (dwarf2out_frame_finish): Output non-EH call frame info only
6819 if DWARF2_FRAME_INFO is nonzero.
6820 (convert_cfa_to_loc_list,
6821 compute_frame_pointer_to_cfa_displacement): Define even if
6822 unwind info is not supported.
6823 (gen_subprogram_die): Use the above unconditionally. Remove
6824 legacy alternate code.
6825 * toplev.c (compile_file): Compile in call to
6826 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6827 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6829 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6830 Jakub Jelinek <jakub@redhat.com>
6832 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6833 IBM extended float format long double as "g" on powerpc*-linux.
6835 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6838 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6839 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6841 2006-02-03 Jason Merrill <jason@redhat.com>
6844 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6847 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6848 on the return slot if it's an NRV.
6850 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6852 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6853 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6854 rewrite_use): Do not handle USE_OUTER.
6855 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6856 add_iv_outer_candidates, may_replace_final_value,
6857 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6858 (find_interesting_uses_op): Functionality of
6859 find_interesting_uses_outer_or_nonlin moved here.
6860 (find_interesting_uses_outside): Use find_interesting_uses_op.
6862 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6865 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6867 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6868 Ulrich Weigand <uweigand@de.ibm.com>
6871 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6872 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6873 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6874 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6876 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6877 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6878 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6879 Define secondary reloads for TFmode moves.
6880 (constant_modes): Add TFmode.
6881 (NR_C_MODES): Set to 8.
6882 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6884 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6885 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6886 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6887 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6888 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6889 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6890 (FPR mode macro): Add TFmode.
6891 (DSF mode macro): New.
6892 (<de>, <dee> mode attributes): Removed.
6893 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6894 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6895 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6896 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6897 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6898 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6899 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6900 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6901 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6902 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6903 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6904 "*negabs<mode>2", "sqrt<mode>2"):
6905 Changed <de> to <xde>. R constraint replaced by <Rf>.
6906 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6908 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6909 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6910 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6912 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6913 "extenddftf2", "extendsftf2"): New expanders.
6914 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6915 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6916 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6917 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6919 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6920 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6921 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6922 __floatditf): Add a GCC_4.1.0 symbol version tag.
6923 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6926 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6929 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6930 Use targetm.binds_local_p instead of TREE_PUBLIC.
6932 2006-02-02 Roger Sayle <roger@eyesopen.com>
6934 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6935 on INTEGER_TYPEs to indicate that it denotes a character type.
6936 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6937 signed_char_type_node, unsigned_char_type_node and char_type_node.
6938 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6939 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6940 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6942 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6943 Daniel Berlin <dberlin@dberlin.org>
6945 * tree-tailcall.c (arg_needs_copy_p): New function.
6946 (eliminate_tail_call): Use arg_needs_copy_p.
6947 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6948 (add_virtual_phis): New function.
6950 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6952 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6953 #ignore instead of #scratch for %g7 .register directive.
6955 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6957 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6960 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6962 * flow.c (calculate_global_regs_live): Assert that there aren't any
6965 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6967 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6969 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6970 bsi_after_labels iterator.
6971 * tree-if-conv.c (find_phi_replacement_condition,
6972 replace_phi_with_cond_modify_expr): Likewise.
6973 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6974 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6976 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6978 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6980 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6983 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6984 array after growing it.
6986 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6989 * fold-const.c (fold_checksum_tree): Change type of buf.
6991 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6993 * reload.c (push_secondary_reload): Initialize t_icode.
6995 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6997 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6998 -msoft-float -mlong-double-128 only issue a warning, but don't
6999 swich to DFmode long double.
7001 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7003 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7004 has a constant equivalent, iterate over equivalents for arg0,
7005 calling simplify_relational_operation and if there's a result
7006 cheaper than X, apply fold_rtx and return the result.
7008 2006-02-01 Jan Hubicka <jh@suse.cz>
7010 * opts.c (no_unit_at_a_time_default): New global variable.
7011 (decode_options): Use it.
7012 * opts.h (no_unit_at_a_time_default): Declare.
7014 2006-02-01 Paul Brook <paul@codesourcery.com>
7016 * function.c (assign_parm_setup_reg): Use function argument promotion
7018 * expr.c (expand_expr_real_1): Use function argument promotion rules
7021 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7023 * gcc.c (process_command): Change j to 'unsigned int'.
7025 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7028 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7029 Use the corrected index for the character
7030 out of the string constant.
7032 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7034 * mode-switching.c (optimize_mode_switching): Fix size
7035 allocated for bb_info[n_entities].
7037 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7039 * gcc.c (main): Correct type that is allocated for
7040 explicit_link_files.
7042 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7044 * config/s390/s390.c (init_alignment_context): Set
7045 ALIAS_SET_MEMORY_BARRIER on the MEM.
7046 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7048 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7051 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7053 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7056 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7058 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7059 * regrename.c: Ditto.
7060 * tree-ssa-loop-im.c: Ditto.
7061 * tree-dump.c: Ditto.
7062 * tree-complex.c: Ditto.
7063 * genrecog.c: Ditto.
7064 * tree-ssa-threadupdate.c: Ditto.
7066 * java/class.c: Ditto.
7067 * java/jcf-parse.c: Ditto.
7068 * java/resource.c: Ditto.
7069 * java/except.c: Ditto.
7070 * java/jvspec.c: Ditto.
7071 * java/jcf-write.c: Ditto.
7072 * java/jcf-path.c: Ditto.
7073 * java/gjavah.c: Ditto.
7074 * java/zextract.c: Ditto.
7075 * java/jcf-io.c: Ditto.
7076 * java/jcf.h: Ditto.
7077 * java/buffer.c: Ditto.
7078 * java/lang.c: Ditto.
7079 * java/parse-scan.y: Ditto.
7080 * java/lex.c: Ditto.
7081 * java/lex.h: Ditto.
7082 * cfgloopmanip.c: Ditto.
7083 * postreload-gcse.c: Ditto.
7084 * tree-ssa-loop-manip.c: Ditto.
7085 * postreload.c: Ditto.
7086 * tree-ssa-loop-ch.c: Ditto.
7090 * diagnostic.c: Ditto.
7092 * genoutput.c: Ditto.
7094 * cfghooks.c: Ditto.
7095 * cfgloopanal.c: Ditto.
7096 * objc/objc-act.c: Ditto.
7098 * genextract.c: Ditto.
7099 * genautomata.c: Ditto.
7100 * pretty-print.c: Ditto.
7102 * cgraphunit.c: Ditto.
7105 * haifa-sched.c: Ditto.
7106 * dominance.c: Ditto.
7108 * tree-ssa-loop-ivopts.c: Ditto.
7110 * mode-switching.c: Ditto.
7111 * modulo-sched.c: Ditto.
7113 * ipa-pure-const.c: Ditto.
7115 * fix-header.c: Ditto.
7117 * tree-stdarg.c: Ditto.
7118 * ipa-utils.c: Ditto.
7119 * loop-init.c: Ditto.
7120 * ipa-inline.c: Ditto.
7123 * alloc-pool.c: Ditto.
7124 * dwarf2out.c: Ditto.
7126 * genattrtab.c: Ditto.
7127 * tree-ssa-loop-ivcanon.c: Ditto.
7131 * fortran/gfortranspec.c: Ditto.
7133 * local-alloc.c: Ditto.
7134 * langhooks.c: Ditto.
7135 * function.c: Ditto.
7136 * tree-vectorizer.c: Ditto.
7138 * ipa-type-escape.c: Ditto.
7140 * tree-if-conv.c: Ditto.
7143 * tree-data-ref.c: Ditto.
7144 * loop-unroll.c: Ditto.
7145 * treelang/treetree.c: Ditto.
7148 * ggc-common.c: Ditto.
7150 * coverage.c: Ditto.
7152 * tree-cfgcleanup.c: Ditto.
7153 * tree-ssa-pre.c: Ditto.
7154 * cfgcleanup.c: Ditto.
7155 * loop-invariant.c: Ditto.
7157 * ipa-prop.c: Ditto.
7158 * print-tree.c: Ditto.
7159 * conflict.c: Ditto.
7160 * ggc-page.c: Ditto.
7161 * sched-deps.c: Ditto.
7162 * regclass.c: Ditto.
7163 * tree-object-size.c: Ditto.
7165 * bb-reorder.c: Ditto.
7166 * resource.c: Ditto.
7167 * var-tracking.c: Ditto.
7169 * df-problems.c: Ditto.
7170 * reg-stack.c: Ditto.
7173 * sched-rgn.c: Ditto.
7174 * tree-ssa-structalias.c: Ditto.
7175 * tree-ssa-reassoc.c: Ditto.
7176 * config/darwin-c.c: Ditto.
7177 * config/darwin.c: Ditto.
7178 * config/arm/arm.c: Ditto.
7180 * collect2.c: Ditto.
7183 2006-01-31 Nicolas Pitre <nico@cam.org>
7185 * arm.md (smaxsi3): Make aware of smax_m1.
7188 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7190 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7192 2006-01-31 Richard Guenther <rguenther@suse.de>
7194 * doc/invoke.texi (-msselibm): Document.
7195 * target.h (expand_library_builtin): New target hook.
7196 * builtins.c (expand_builtin): Use expand_library_builtin.
7197 (default_expand_library_builtin): New function.
7198 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7199 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7200 (link_gcc_math_spec): Declare.
7201 (static_specs): Add link_gcc_math_spec.
7202 * expr.h (default_expand_library_builtin): Declare.
7203 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7204 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7205 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7206 * config/i386/i386.opt (msselibm): New target option.
7207 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7208 (ix86_init_sse_abi_builtins): New function.
7209 (ix86_expand_library_builtin): Likewise.
7210 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7211 (override_options): Handle error conditions wrt -msselibm.
7212 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7213 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7214 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7217 2006-01-31 Richard Guenther <rguenther@suse.de>
7218 Paolo Bonzini <bonzini@gnu.org>
7220 * doc/install.texi (--disable-libgcc-math): Document.
7222 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7224 * expr.h (expand_normal): new inline function.
7225 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7227 * dwarf2out.c: use it.
7232 * config/sparc/sparc.c: use it.
7233 * config/i386/i386.c: use it.
7234 * config/rs6000/rs6000.c: use it.
7235 * config/arm/arm.c: use it.
7236 * config/mips/mips.c: use it.
7237 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7239 2006-01-30 Roger Sayle <roger@eyesopen.com>
7241 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7242 argv to the appropriate type.
7244 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7246 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7249 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7252 * config/s390/s390.c (struct machine_function): New flag
7253 decomposed_literal_pool_addresses_ok_p.
7254 (s390_reorg): Set it before final stage of literal pool transforms.
7255 (s390_decompose_address): Only accept displacements of the form
7256 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7258 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7260 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7261 the comparison routine return.
7263 2006-01-30 Michael Matz <matz@suse.de>
7265 * global.c (find_reg): Only evict for global regs.
7266 Take n_refs into account and dump more info.
7268 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7271 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7272 (pragma_trap, pragma_nosave_low_regs): Likewise.
7273 (current_function_anonymous_args): Likewise.
7274 (sh_deferred_function_attributes): New variable.
7275 (sh_deferred_function_attributes_tail): Likewise.
7276 (print_operand): For '@', look up trap_exit attribute.
7277 (calc_live_regs): Look up trapa_handler attribute. For trapa
7278 handlers, save/restore fpscr, but don't do any other
7279 interrupt-specific saves.
7280 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7281 Fix check for partially saved registers to check for SHmedia.
7282 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7283 (sh_output_function_epilogue): Don't clear any of the removed
7285 (sh_insert_attributes): Don't check pragma_interrupt.
7286 Insert deferred attributes. Check that interrupt attribute is
7287 present for other attributes that require its presence.
7288 (sh_attribute_table): Add new attributes trapa_handler and
7290 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7291 Don't check for pragma_interrupt. Don't store argument.
7292 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7293 (sh_deferred_function_attributes): Declare.
7294 (sh_deferred_function_attributes_tail): Likewise.
7295 * sh.md (sp_switch_1): Add operand. Change generator caller.
7296 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7297 (*return_i): Don't use when trap_exit attribute is in effect.
7298 (*return_trapa): New insn pattern.
7300 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7301 setting c_target_objs and cxx_target_objs.
7302 * t-sh: Add rule for sh-c.o.
7304 2006-01-30 Richard Guenther <rguenther@suse.de>
7307 * gimplify.c (gimplify_target_expr): Handle easy cases
7308 without creating a temporary.
7310 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7312 * vec.h (safe_grow): Remove duplicated line.
7314 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7317 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7318 (expand_omp): ... here.
7319 (expand_omp_parallel): Only remove barriers for combined
7320 parallel+workshare constructs.
7322 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7326 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7327 * tree.c (build_qualified_type): Chain the new type to the original
7328 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7329 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7330 (build_pointer_type_for_mode): Only return unqualified types.
7331 (build_reference_type_for_mode): Likewise.
7333 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7335 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7336 * Makefile.in (CXX_COMPAT_WARN): Define.
7337 * configure: Regenerate.
7339 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7342 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7345 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7347 * toplev.c: Fix thinko.
7349 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7350 Marcin Dalecki <martin@dalecki.de>
7352 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7353 (push_srcloc): Use XNEW.
7354 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7356 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7358 * df-core.c (df_set_blocks): Deleted all variable.
7360 2006-01-28 Ian Lance Taylor <ian@airs.com>
7362 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7363 cgraph_output_pending_asms.
7365 2006-01-28 Zack Weinberg <zackw@panix.com>
7367 * c.opt: Add -W(no-)overlength-strings.
7368 * doc/invoke.texi: Document it.
7369 * c-opts.c (c_common_handle_option): -pedantic implies
7370 -Woverlength-strings, if not explicitly disabled already.
7371 (c_common_post_options): -Woverlength-strings defaults to off, and
7372 is always off for C++.
7373 * c-common.c (fix_string_type): Issue warning about strings longer
7374 than is portable only if warn_overlength_strings. Rearrange code
7375 a little for clarity.
7376 * configure.in: Check for -Wno-overlength-strings as well before
7377 enabling -pedantic in stage 1.
7378 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7379 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7381 * genconditions.c (write_header, write_one_condition)
7382 (write_conditions, write_writer): Consolidate very long strings
7383 that were broken up to fit in C89 portable limit. Don't use
7384 printf when fputs will do.
7386 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7388 * combine.c (simplify_comparison <AND>): Check
7389 TRULY_NOOP_TRUNCATION before start using a subreg.
7391 * config/mips/mips.md (*branch_zero<mode>,
7392 *branch_zero<mode>_inverted, *branch_equality<mode>,
7393 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7394 Remove mode check from comparisons.
7396 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7398 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7400 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7402 * expmed.c (const_mult_add_overflow_p): Remove.
7403 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7405 * recog.c (validate_replace_rtx_subexp): Remove.
7406 * recog.h: Remove the prototype for
7407 validate_replace_rtx_subexp.
7409 * integrate.h: Remove the prototype for
7410 copy_decl_for_inlining.
7411 * rtl.h: Remove the prototype for mark_constant_function.
7412 * tree-vectorizer.h: Remove the prototype for
7413 vect_strip_conversion.
7415 * modulo-sched.c (create_partial_schedule,
7416 free_partial_schedule, reset_partial_schedule): Make them
7419 * hooks.c (hook_bool_rtx_int_false): Remove.
7420 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7422 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7424 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7425 and -mlong-double-128 are incompatible.
7426 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7427 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7428 (TARGET_LIBGCC2_CFLAGS): Define.
7429 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7430 (TARGET_LIBGCC2_CFLAGS): Same.
7431 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7433 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7436 * c-typeck.c (build_binary_op): Perform implicit casts of
7437 operands before shortening them.
7439 * cfgloopmanip.c (split_loop_bb): Remove.
7440 * cfgloop.h: Remove the prototype for split_loop_bb.
7442 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7443 * cfgloop.h: Remove the prototype for
7444 flow_loop_outside_edge_p.
7446 * emit-rtl.c (init_virtual_regs): Make it static.
7447 * function.h: Remove the prototype for init_virtual_regs.
7449 * recog.c (peephole2_optimize): Make it static.
7450 * recog.h: Remove the prototype for peephole2_optimize.
7452 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7454 * df-scan.c (df_record_entry_block_defs): Check if
7455 INCOMING_RETURN_ADDR_RTX is defined.
7457 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7458 Kenneth Zadeck <zadeck@naturalbridge.com>
7460 PR rtl-optimization/24762
7461 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7462 * targhooks.c (hook_void_bitmap): New hook prototype.
7463 * targhoohs.h (hook_void_bitmap): Ditto.
7464 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7465 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7466 * target.h (live_on_entry): New function pointer.
7467 * df-scan.c (df_all_hard_regs): Removed.
7468 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7469 (df_scan_free_internal): Added df->entry_block_defs.
7470 (df_scan_alloc): Ditto.
7471 (df_scan_dump): Ditto.
7472 (df_uses_record): Plumbed flag field properly thru calls.
7473 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7474 This part fixes PR24762.
7475 (df_bb_refs_record): Added code to make the frame and arg
7476 pointers live in EH blocks.
7477 (df_refs_record): Added call to df_record_entry_block_defs.
7478 (df_record_entry_block_defs): New function.
7479 * df-core.c: Added comments to describe new artifical defs.
7480 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7481 (entry_block_defs): New field in struct df.
7482 (df_all_hard_regs): Deleted.
7483 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7484 * df-problems.c (df_ru_bb_local_compute_process_def):
7485 Added code to handle artifical defs in the entry to a function.
7486 (df_ru_bb_local_compute): Ditto.
7487 (df_rd_bb_local_compute_process_def): Ditto.
7488 (df_rd_bb_local_compute): Ditto.
7489 (df_lr_bb_local_compute): Ditto.
7490 (df_ur_bb_local_compute): Ditto.
7491 (df_urec_bb_local_compute): Ditto.
7492 (df_chain_create_bb): Ditto.
7493 (df_ur_local_finalize): Removed entry.
7494 (df_urec_init): Ditto.
7495 (df_urec_local_finalize): Ditto.
7496 (df_ri_bb_compute): Added detection of last use of pseudos.
7497 * Makefile.in (df-scan.o): Updated dependencies.
7498 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7499 * config/mips/mips.c (mips_set_live_on_entry): Added.
7500 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7502 * dce.c (marked_insn_p): Added code to handle artifical defs.
7504 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7506 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7508 (_mm_cvtsi128_si64): Likewise.
7509 (_mm_cvtsd_si64): Likewise.
7510 (_mm_cvttsd_si64): Likewise.
7511 (_mm_cvtsi64_sd): Likewise.
7512 (_mm_cvtsi64_si128): Likewise.
7513 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7514 (_mm_cvtsi64_m64): Likewise.
7515 (_m_to_int64): Likewise.
7516 (_mm_cvtm64_si64): Likewise.
7517 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7518 (_mm_cvttss_si64): Likewise.
7519 (_mm_cvtsi64_ss): Likewise.
7520 (_mm_cvtss_f32): Likewise.
7522 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7524 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7525 for pragma redefine_extname.
7527 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7530 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7531 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7532 -mno-minimal-toc to previous content.
7533 (bispecs): Remove goal.
7534 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7535 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7536 compatibility aliases on powerpc-*-*gnu*.
7537 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7538 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7539 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7540 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7541 (ldblspecs): New goal.
7542 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7543 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7545 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7546 L_sf_to_tf or L_df_to_tf is defined.
7548 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7549 Alan Modra <amodra@bigpond.net.au>
7552 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7553 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7554 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7555 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7556 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7557 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7558 (rs6000_override_options): Initialize rs6000_ieeequad.
7559 Initialize TFmode format to ibm_extended_format if not
7561 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7563 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7564 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7565 (function_arg_advance): IBM long double passed in two FPRs, not
7567 (function_arg): IBM long double passed in FPRs.
7568 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7569 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7570 Only multireg GPR aligned.
7571 (rs6000_init_libfuncs): Enable IBM long double functions if not
7573 (rs6000_generate_compare): Use IBM long double compare if not
7575 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7576 (TARGET_IEEEQUAD): Define.
7577 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7578 not TARGET_IEEEQUAD.
7579 * config/rs6000/rs6000.md: Enable TFmode patterns if
7581 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7582 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7583 and -mlong-double-128 are incompatible.
7584 * doc/invoke.texi (-mabi): Collect options together. Add
7585 ibmlongdouble and ieeelongdouble.
7587 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7589 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7591 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7592 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7593 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7594 * rtl.h (rtunion_def): Remove rt_ptr.
7596 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7597 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7598 * config/i386/winnt.c (i386_pe_mark_dllexport)
7599 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7601 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7603 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7605 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7609 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7610 pthread_key_delete. From John David Anglin. gthrw-ify
7611 pthread_getunique_np only if it it's not a macro. Delete
7613 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7614 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7615 __gthread_objc_condition_signal, __gthread_key_delete): Add
7616 "__attribute__ ((__unused__))" to unused arguments.
7617 (__gthread_recursive_mutex_init_function): Add missing return.
7618 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7619 gthr-posix95.h: Use macro-based approach for name redirection
7620 on targets missing weakref.
7622 2006-01-26 Zack Weinberg <zackw@panix.com>
7624 * genconditions.c (write_header): In generated code, #ifdef out
7625 all includes and fake declarations, except includes of bconfig.h
7626 and system.h, unless GCC_VERSION >= 3001. Do not include
7627 gensupport.h in any case.
7628 (write_conditions): Generate a definition of struct c_test. Add
7629 a comment to the generated #endif.
7630 (write_one_condition): Escape backslashes in string too.
7631 (write_writer): Generated code must escape backslashes and quote
7632 marks (but not newlines) in the strings it writes.
7633 * Makefile.in (build/gencondmd.o): Update dependencies.
7635 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7638 * Makefile.in (insn-automata.o): Add header file dependencies.
7639 * genautomata.c: Add includes.
7641 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7644 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7646 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7648 * configure.ac: Expect target tools paths to be passed from the toplevel
7649 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7651 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7653 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7656 * c.opt (Wpointer-sign): Init to -1.
7657 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7658 OPT_pedantic, to 0 otherwise.
7659 * doc/invoke.texi: Update.
7661 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7663 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7664 constants provided by 80387 instructions in the destination mode.
7666 2006-01-26 Richard Guenther <rguenther@suse.de>
7667 Andrew Pinski <pinskia@physics.uc.edu>
7670 partial PR tree-opt/17064
7671 * tree-ssa-structalias.c (intra_create_variable_infos):
7672 Create heap variables for incoming parameters if
7673 flag_argument_noalias > 1.
7674 (find_what_p_points_to): Look through default defs of
7677 2006-01-26 Jeff Law <law@redhat.com>
7680 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7681 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7682 within the VR_RANGE, use the VR_RANGE as the result, not the
7684 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7685 bounds for the type.
7687 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7689 * tree-ssa-alias.c (maybe_create_global_var): Change
7690 subvar walking to an assertion that we don't have subvar'd variables.
7692 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7695 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7696 Use a new variable, inner. PARM_DECLs are always non-weak.
7698 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7700 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7703 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7705 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7707 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7709 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7710 (smax_insn, smin_insn, smax_0, smin_0): New.
7712 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7715 * config/cris/cris.c (cris_order_for_addsi3): New function.
7716 * config/cris/cris-protos.h: Prototype it.
7717 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7718 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7719 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7720 (split for "op.S1 [rx=rx+i],ry (swapped)")
7721 (split for "op(s|u).S1 [rx=rx+i],ry")
7722 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7723 Apply cris_order_for_addsi3 when generating addsi3 insns.
7725 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7727 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7728 (TREE_BLOCK): Add call to EXPR_CHECK.
7730 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7733 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7734 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7735 (dump_omp_clauses): ... here.
7736 (dump_generic_node): Handle OMP_CLAUSE.
7737 * tree.c (omp_clause_num_ops): New.
7738 (omp_clause_code_name): New.
7739 (tree_code_size): Handle OMP_CLAUSE.
7740 (tree_size): Likewise.
7741 (make_node): Document handling of OMP_CLAUSE.
7742 (tree_node_structure): Handle OMP_CLAUSE.
7743 (omp_clause_check_failed): New.
7744 (omp_clause_range_check_failed): New.
7745 (omp_clause_operand_check_failed): New.
7746 (build_omp_clause): New.
7747 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7748 * tree.h (enum omp_clause_code): Declare.
7749 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7750 (OMP_CLAUSE_RANGE_CHECK): Define.
7751 (OMP_CLAUSE_ELT_CHECK): Define.
7752 (omp_clause_check_failed): Declare.
7753 (omp_clause_operand_check_failed): Declare.
7754 (omp_clause_range_check_failed): Declare.
7755 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7756 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7757 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7758 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7759 (OMP_CLAUSE_IF_EXPR): Likewise.
7760 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7761 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7762 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7763 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7764 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7765 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7766 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7767 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7768 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7769 (OMP_CLAUSE_CODE): Define.
7770 (OMP_CLAUSE_SET_CODE): Define.
7771 (OMP_CLAUSE_CODE): Define.
7772 (OMP_CLAUSE_OPERAND): Define.
7773 (struct tree_omp_clause): Declare.
7774 (union tree_node): Add field 'omp_clause'.
7775 * treestruct.def (TS_OMP_CLAUSE): Define.
7776 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7777 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7778 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7779 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7780 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7781 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7782 (OMP_CLAUSE): Define.
7783 * print-tree.c (print_node): Handle OMP_CLAUSE.
7784 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7785 * c-typeck.c: Likewise.
7786 * gimplify.c: Likewise.
7787 * c-omp.c: Likewise.
7788 * tree-nested.c: Likewise.
7789 * tree-inline.c: Likewise.
7790 * c-parser.c: Likewise.
7791 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7794 2006-01-25 Roger Sayle <roger@eyesopen.com>
7796 PR rtl-optimization/25703
7797 * combine.c (try_combine): Handle zero_extract and strict_low_part
7798 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7800 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7802 * global.c: Fix comment typos.
7804 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7807 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7808 Use output_addr_const instead of assemble_name.
7810 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7812 * Makefile.in (sched-vis.o): Update dependencies.
7813 * haifa-sched.c (sched_finish): Clear current_sched_info.
7814 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7815 (dump_flow_info): Call it.
7816 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7818 * basic-block.h (dump_bb_info): Declare.
7819 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7820 option, and apply options only for dump files whose TDF_RTL,
7821 TDF_TREE, or TDF_IPA bits match.
7822 * rtl.h: Declare new functions exported from sched-vis.c.
7823 * sched-vis.c: Enable also if scheduling is not used.
7824 (print_value): Print the mode of registers if not inside scheduling.
7825 (print_insn): Make it work outside the scheduler. Beautify the output
7827 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7829 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7831 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7832 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7833 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7834 depending on the value of CONSTANT_POOL_ADDRESS_P.
7835 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7837 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7838 rather than SYMBOL_REF_DECL.
7839 (rtx_constant_pool): Remove const_rtx_sym_htab.
7840 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7841 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7842 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7843 Remove handling of const_rtx_sym_htab.
7844 (find_pool_constant): Delete.
7845 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7846 rather than find_pool_constant.
7847 (get_pool_constant_for_function): Delete.
7848 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7850 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7851 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7852 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7853 (SYMBOL_REF_CONSTANT): New macro.
7854 (get_pool_constant_for_function): Delete.
7855 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7856 rather than SYMBOL_REF_DECL.
7857 (i386_pe_mark_dllimport): Likewise.
7858 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7859 rather than SYMBOL_REF_DECL.
7860 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7861 (machopic_indirect_call_target): Likewise.
7863 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7865 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7867 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7869 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7871 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7873 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7875 2006-01-24 David Daney <ddaney@avtrex.com>
7878 * configure.ac (enable_tls): New enable option.
7879 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7880 * configure: Regenerate.
7881 * doc/install.texi (--enable-tls): Document new option.
7882 (--disable-tls): Ditto.
7884 2006-01-24 Richard Henderson <rth@redehat.com>
7886 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7887 * alias.c (true_dependence): Respect it.
7888 (canon_true_dependence, write_dependence_p): Likewise.
7889 * builtins.c (get_builtin_sync_mem): Set it.
7891 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7893 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7896 2006-01-24 DJ Delorie <dj@redhat.com>
7898 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7899 for storing constants in single-bit bitfields.
7901 2006-01-25 Ben Elliston <bje@au.ibm.com>
7903 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7905 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7908 * tree-ssa-pre.c (phi_translate): Return NULL
7909 for AGGREGATE_TYPE's.
7911 2006-01-24 Zack Weinberg <zackw@panix.com>
7913 * genautomata.c (process_state_for_insn_equiv_partition):
7914 Use xcalloc for insn_arcs_array.
7915 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7916 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7918 2006-01-24 Richard Henderson <rth@redhat.com>
7920 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7923 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7925 PR rtl-optimization/25890
7926 PR rtl-optimization/25905
7927 * combine.c (expand_compound_operation, expand_field_assignment):
7928 Fail if the bitfield's final position is out of bounds.
7930 2006-01-24 Ian Lance Taylor <ian@airs.com>
7933 * cgraphunit.c (cgraph_output_in_order): Don't clear
7934 cgraph_asm_nodes until after asm strings have been output.
7936 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7938 * fix-header.c (read_scan_file): Add new parameter imultilib when
7939 calling register_include_chains.
7941 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7943 * omp-low.c: Update documentation.
7945 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7946 Daniel Berlin <dberlin@dberlin.org>
7950 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7951 return from the function.
7953 2006-01-22 Zack Weinberg <zackw@panix.com>
7955 * rtl.def (match_code): Add second argument.
7956 * genpreds.c (write_extract_subexp): New function.
7957 (write_match_code): Add path argument. Use write_extract_subexp.
7958 (write_predicate_expr): Pass path to write_match_code.
7959 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7960 not perform a mode test.
7961 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7962 a subexpression does not constrain the top-level code set.
7963 * read-rtl.c (read_rtx_variadic): New function.
7964 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7965 * doc/md.texi: Document new notation.
7966 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7967 (cmpsi_operand): ... here, using new notation.
7969 2006-01-22 Zack Weinberg <zackw@panix.com>
7971 * varray.c: Remove GENERATOR_FILE #ifdefs.
7973 2006-01-22 Zack Weinberg <zackw@panix.com>
7975 * genautomata.c (output_reserved_units_table): Emit nothing if
7976 description->query_units_num is zero. Remove extra blank line.
7977 (output_cpu_unit_reservation_p): Short circuit
7978 if description->query_units_num is zero.
7980 2006-01-22 Zack Weinberg <zackw@panix.com>
7982 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7983 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7984 nor any of the random handful of variables that used to be necessary
7985 when this program was linked with rtlanal.o. Prune set of forward
7986 function declarations.
7987 (struct attr_desc): Remove static_p field.
7988 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7989 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7990 (attr_string): Do not read the character one past the length of
7992 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7993 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7994 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7995 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7996 (make_automaton_attrs): New.
7997 (main): Do not call into genautomata. Call local gen_bypass
7998 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7999 Remove special case for insn_alts.
8000 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8001 varray.h (leftover from previous change). Prune set of forward
8002 function declarations. Remove state_alts fields from all
8003 structures. Remove state_alts_table from struct automaton.
8004 Make everything except main static. Do not maintain num_dfa_decls.
8005 Do not maintain state_alts fields of various structures.
8006 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8007 (add_arc): Remove state_alts argument. All callers updated.
8008 (output_reserved_units_table): Emit #ifdef here...
8009 (output_tables): ...not here. Don't generate state_alts tables.
8010 (expand_automata): Don't generate attributes.
8011 (write_automata): Don't generate state_alts functions.
8012 (main): New function.
8013 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8014 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8015 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8016 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8017 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8018 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8019 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8020 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8022 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8023 * genattrtab.h: Delete file.
8024 * Makefile.in (OBJS-common): Add insn-automata.o.
8025 (insn-automata.o): New rule.
8026 (simple_generated_c): Add insn-automata.c.
8027 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8028 (genprogmd): Add automata.
8029 (build/genattrtab): Needs no extra objects nor libraries.
8030 (build/genautomata): Needs build/vec.o and -lm.
8032 2006-01-22 Zack Weinberg <zackw@panix.com>
8034 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8035 (output_dfa_max_issue_rate, locked_states_num): Delete.
8036 (struct automaton): Add locked_states field.
8037 (output_dead_lock_vect): Save number of locked states in
8038 automaton->locked_states. If it is zero, don't print anything.
8039 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8040 (output_internal_dead_lock_func): Only test the dead_lock_vect
8041 for automata that have locked states.
8042 (output_statistics): Always print the number of locked states for
8043 each automaton. Calculate total number of locked states here.
8044 (write_automata): Don't call output_dfa_max_issue_rate.
8045 * genattrtab.c: Define length_unit_log as a const variable.
8046 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8047 max_insn_queue_index const.
8048 * final.c (length_unit_log): Declare const.
8049 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8051 2006-01-22 Zack Weinberg <zackw@panix.com>
8053 * genautomata.c: Include vec.h, not varray.h.
8054 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8055 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8056 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8057 VEC_* macros operating on appropriately typed vectors, or to
8058 malloced arrays when the size is known in advance. Const-ify
8059 many char* variables and function arguments. No functional changes.
8060 * Makefile.in (build/varray.o): Delete rule.
8061 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8062 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8064 2006-01-22 Zack Weinberg <zackw@panix.com>
8066 * gensupport.c: Define get_insn_name and record_insn_name here.
8067 (read_md_rtx): Call record_insn_name as appropriate.
8068 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8069 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8070 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8072 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8073 (BUILD_VARRAY): Delete.
8074 (genprognormal): Rename genprogmd. Fold in all programs from
8075 genprognoprint; also attrtab.
8076 (build/genattrtab): Just mention genautomata.o and varray.o.
8077 Reorganize a bit, add comments to make the categories clearer.
8079 2006-01-22 Zack Weinberg <zackw@panix.com>
8081 * genconditions.c (condition_table, add_condition): Delete.
8082 (write_conditions): Don't emit n_insn_conditions nor
8083 insn_elision_unavailable. Issue the gcc version #ifdef here,
8084 inside the table, with no #else clause ...
8085 (write_header): ...not here.
8086 (write_writer): New function.
8087 (main): Don't initialize condition_table. Use add_c_test.
8089 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8090 files on the command line.
8091 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8092 Return -1 if there is no entry in the table, don't abort.
8093 (add_c_test, traverse_c_tests): New functions.
8094 * gensupport.h (insn_elision_unavailable, insn_conditions)
8095 (n_insn_conditions): Delete declarations.
8096 (add_c_test, traverse_c_tests): Declare.
8097 * read-rtl.c: Include gensupport.h.
8098 (read_conditions): New function.
8099 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8100 (read_rtx_1): If we get EOF when we were looking for an initial
8101 open paren, return 0. Call read_conditions when appropriate.
8102 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8103 dummy-conditions.o. Eliminate references to insn-conditions.o,
8104 or change them to build/gencondmd.o, as appropriate. Remove
8105 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8106 from $(simple_generated_c). For all files remaining in those
8107 two lists, add insn-conditions.md to the generator command line.
8108 Give insn-constants.h/s-constants their own rules. Add rules
8109 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8110 (build/read-rtl.o): Depend on gensupport.h.
8111 (genprognormal): Include preds.
8112 (genprogearly): Rename genprognoprint; only difference is now that
8113 they don't link with $(BUILD_PRINT).
8114 * dummy-conditions.c: Delete.
8116 2006-01-22 Zack Weinberg <zackw@panix.com>
8118 * genextract.c: Don't include insn-config.h. Do include vec.h.
8119 Declare vectors of int, char, and locstr.
8120 (locstr): New typedef.
8121 (struct extraction): Make all array fields into bare pointers.
8122 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8123 (insn_code_number): Delete.
8124 (accum_extract): New struct.
8125 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8126 (gen_insn): Take insn_code_number as an argument. Use an
8127 accum_extract structure instead of loading data directly into
8128 a struct extraction, and having to know how big it might get.
8129 (walk_rtx): Operate entirely on an accum_extract structure.
8130 (print_path): Avoid unnecessary use of printf.
8131 (print_header): New function, split out of main. Distinguish
8132 more carefully between an unrecognizable insn and an insn that
8133 has the code number of a define_expand.
8134 (main): Pass insn_code_number to gen_insn. Call print_header
8135 only after parsing. Avoid unnecessary use of printf.
8136 * Makefile.in (build/vec.o): New rule.
8137 (build/genextract): Depend on build/vec.o.
8138 (build/genextract.o): Don't depend on insn-config.h.
8140 2006-01-22 Zack Weinberg <zackw@panix.com>
8142 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8143 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8144 practical. Eliminate per-generator-program link rules.
8146 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8149 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8150 with a call expr to ...
8151 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8153 2006-01-23 Richard Guenther <rguenther@suse.de>
8155 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8156 before make_edge with conditional EDGE_TRUE_VALUE.
8158 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8159 Jan Hubicka <jh@suse.cz>
8160 Richard Guenther <rguenther@suse.de>
8162 PR rtl-optimization/25654
8163 * cfgexpand.c (aggregate_contains_union_type): New function.
8164 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8165 for structure variables that contain a union type.
8167 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8169 * gengtype.c (new_structure): Return the structure.
8170 (create_option): Add an extra "next" argument.
8171 (create_field): New function.
8172 (adjust_field_rtx_def): Use create_option and create_field.
8173 Remove a now-unnecessary call to find_structure.
8174 (adjust_field_tree_def): Likewise.
8175 (note_yacc_type): Remove an unnecessary call to find_structure.
8176 * gengtype.h (new_structure): Return the structure.
8177 (create_option): Add an extra argument.
8178 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8179 (option): Adjust calls to create_option.
8181 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8183 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8185 2006-01-22 Paul Brook <paul@codesourcery.com>
8186 Peter Barada <peter@the-baradas.com>
8188 * config/m68k/m68k.md: Add Coldfire FPU support.
8189 Define FP mode macro and associated attributes.
8190 Use it for float mode patterns.
8191 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8192 (LIBCALL_VALUE): Use m68k_libcall_value.
8193 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8194 (m68k_function_value): Ditto.
8195 (emit_move_sequence): Ditto.
8196 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8197 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8198 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8199 (MULTILIB_EXCEPTIONS): Ditto.
8200 * config/m68k/m68k.opt: Add mcfv4e.
8201 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8202 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8203 (m68k_output_function_prologue): Save ColdFire FPU registers.
8204 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8205 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8206 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8207 ColdFire FPU registers.
8208 (m68k_libcall_value, m68k_function_value): New functions.
8209 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8210 (LIBCALL_VALUE): Use m68k_libcall_value.
8211 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8212 (MASK_COLDFIRE): Add MASK_CFV4E.
8213 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8214 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8215 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8216 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8217 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8218 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8219 * doc/invoke.tex: Document -mcfv4e on m68k.
8221 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8223 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8226 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8229 * c-opts.c (c_common_handle_option): Don't include
8230 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8231 * doc/invoke.texi (C++ Dialect Options): Document that
8232 -Wnon-virtual-dtor is no longer included in -Wall.
8234 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8236 * gcov.c (print_version), gcov-dump.c (print_version),
8237 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8240 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8242 * df-scan.c (problem_SCAN): Added NULL reset function.
8243 (df_scan_reset_blocks): Added code to call reset block function
8244 (df_bb_refs_delete) Fixed comment.
8245 (df_insn_refs_delete): Made tolerant of deleting non existent info
8246 for dataflow problems that need to be reset.
8247 * df-core.c (df_set_blocks): Ditto.
8248 * df.h (struct df_problem): Added reset_fun.
8249 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8250 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8251 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8252 functions to clear out all references to def-use or use-def chains.
8254 2006-01-21 Ben Elliston <bje@au.ibm.com>
8256 * varasm.c (assemble_real): Initialise data array.
8258 2006-01-20 Paul Brook <paul@codesourcery.com>
8260 Merge from csl-arm-branch.
8261 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8262 * config/arm/arm.md (movdi): Force operands[1] to a register
8263 if we have a non-register source.
8264 (*arm_movdi, *movdf_soft_insn): Require that one of the
8265 operands be a register.
8266 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8267 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8269 2006-01-20 DJ Delorie <dj@redhat.com>
8271 * varasm.c (initialize_constant_valid_p): Allow pointers
8272 initialized from integer constants of lesser precision.
8273 (output_constant): Allow non-int-sized pointer modes to be
8274 initialized from integer constants.
8276 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8279 * cppdefault.h (struct default_include): Add multilib flag.
8280 * cppdefault.c (cpp_include_defaults): Set it.
8281 * c.opt (-imultilib): New option.
8282 * c-opts.c (imultilib): New.
8283 (c_common_handle_option): Handle -imultilib.
8284 (c_common_post_options): Likewise.
8285 * c-incpath.c (add_standard_paths, register_include_chains):
8287 * c-incpath.h (register_include_chains): Add extra parameter.
8288 * gcc.c (do_spec_1): Generate -imultilib option.
8289 (The Specs Language): Update %I description.
8290 (process_command): Update copyright notice.
8291 * doc/cppopts.texi (-imultilib): Document.
8292 * doc/invoke.texi (-imultilib): Include in option summary.
8293 (%I): Update specs documentation.
8295 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8297 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8299 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8301 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8304 2006-01-20 Richard Guenther <rguenther@suse.de>
8305 Steven Bosscher <stevenb.gcc@gmail.com>
8307 PR rtl-optimization/24626
8308 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8309 EDGE_TRUE_VALUE if in RTL mode.
8312 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8313 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8315 2006-01-20 Dirk Mueller <dmueller@suse.com>
8318 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8319 instead of a special NOP marker.
8320 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8321 NOP marker handling.
8322 * c-common.h (empty_body_warning): Add forward declaration.
8323 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8324 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8326 2006-01-20 Paul Brook <paul@codesourcery.com>
8328 * Makefile.in (lang_checks): Keep going if mkdir fails.
8330 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8332 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8333 be able to clean out basic block when not necessary.
8334 (df_scan_free): Fixed to properly delete information if df is
8335 unused before calling df_finish.
8336 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8337 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8339 (df_bb_refs_delete): New function.
8340 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8341 * df-core.c (df_set_blocks): Added code to properly clean out
8342 unused blocks if they are not part of the blocks to consider.
8343 Added additional null check.
8344 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8345 be able to clean out basic block when not necessary
8346 * df.h (df_free_bb_function): Ditto.
8347 (df_bb_refs_delete): New function.
8348 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8349 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8350 basic block parameter to be able to clean out basic block when not
8352 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8353 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8354 Fixed to properly delete information if df is unused before
8357 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8359 PR rtl-optimization/25799
8360 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8361 Corrected confluence operator to remove bits from op2 before oring
8362 with op1 rather than removing bits from op1.
8363 (df_ru_transfer_function): Corrected test on wrong bitmap which
8364 caused infinite loop. Both of these problems were introduced in
8365 the dataflow rewrite.
8367 2006-01-19 DJ Delorie <dj@redhat.com>
8369 * reload1.c (find_reload_regs): Note the details of reload
8370 failures in the dump file.
8371 (spill_failure): Likewise.
8373 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8375 * loop-iv.c: Include df.h and hashtab.h.
8376 (enum iv_grd_result): New enum.
8377 (DF_REF_IV, DF_REF_IV_SET): New macros.
8378 (struct biv_entry): New.
8379 (df, bivs): New global variables.
8380 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8381 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8383 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8384 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8385 analyzed_for_bivness_p, record_biv): New functions.
8386 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8387 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8388 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8390 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8392 (iv_number_of_iterations): Use new interface to iv analysis.
8393 * loop-unroll.c: Do not include varray.h.
8394 (analyze_iv_to_split_insn): Use new interface to iv
8396 * loop-unswitch.c (may_unswitch_on): Ditto.
8397 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8399 (df_bb_modify): Realloc tables to the new index.
8400 (df_find_use): New function.
8401 * df.h (df_find_use): Declare.
8402 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8404 * cfgloop.h (struct rtx_iv): Remove analysed field.
8405 (iv_get_reaching_def): Removed.
8406 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8407 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8408 (loop-iv.o): Add df.h and hashtab.h dependency.
8409 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8411 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8414 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8416 (__floatundisf, __floatundidf): Likewise.
8417 * libgcc2.h (IS_IBM_EXTENDED): Define.
8419 2006-01-19 DJ Delorie <dj@redhat.com>
8421 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8423 2006-01-19 Paul Brook <paul@codesourcery.com>
8425 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8426 as nothrow when unwinding tables are disabled.
8428 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8431 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8432 of bit-field" when in system header.
8434 2006-01-19 DJ Delorie <dj@redhat.com>
8436 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8437 the 16 bit shift limit of the m16c.
8439 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8442 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8443 * config/i386/i386.c (output_set_got): Output the label if we have one
8444 for the TARGET_DEEP_BRANCH_PREDICTION case.
8446 2006-01-19 Jan Hubicka <jh@suse.cz>
8447 H.J. Lu <hongjiu.lu@intel.com>
8448 Evandro Menezes <evandro.menezes@amd.com>
8450 * invoke.texi (generic): Document
8452 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8453 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8454 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8455 (x86_use_incdec, x86_pad_returns): New variables
8456 (TARGET_CPU_DEFAULT_generic): New constant
8457 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8458 (enum processor_type): Add generic32 and generic64.
8459 * i386.md (cpu attribute): Add generic32/generic64
8460 (movhi splitter): Behave sanely when both partial_reg_dependency and
8461 partial_reg_stall are set.
8462 (K8 splitters): Enable for generic as well.
8463 * predicates.md (incdec_operand): Use TARGET_INCDEC
8464 (aligned_operand): Avoid memory mismatch stalls.
8465 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8466 * ppro.md: Enable for generic32
8467 * i386.c (generic64_cost, generic32_cost): New.
8468 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8469 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8470 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8471 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8472 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8473 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8474 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8475 x86_accumulate_outgoing_args, x86_prologue_using_move,
8476 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8477 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8479 (x86_use_incdec, x86_pad_returns): New.
8480 (override_options): Add generic32 and generic64, translate "generic"
8481 to generic32/generic64 and "i686" to "generic32", refuse
8482 "generic32"/"generic64" as arch target.
8483 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8484 (ix86_reorg): Honor PAD_RETURNS.
8486 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8488 * tree-pretty-print.c (dump_generic_node): Handle
8489 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8490 * cgraph.c (cgraph_expand_queue): Rename from
8491 cgraph_analyze_queue. Update all users.
8492 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8493 cgraph_expand_queue.
8494 (cgraph_expand_all_functions): Likewise.
8495 (cgraph_finalize_pending_functions): Remove. Update callers.
8497 * tree.h (OMP_DIRECTIVE_P): Define.
8498 (OMP_PARALLEL_FN): Define.
8499 (OMP_PARALLEL_DATA_ARG): Define.
8500 (OMP_SECTIONS_SECTIONS): Define.
8501 * tree-pass.h (pass_expand_omp): Declare.
8502 * omp-low.c (struct omp_region): Declare.
8503 (struct omp_context): Remove fields 'parallel_type',
8504 'parallel_start_ix' and 'parallel_start_additional_args'.
8506 (struct omp_for_data): Rename from struct expand_omp_for_data.
8507 (omp_regions): New static variable.
8508 (root_omp_region): New static variable.
8509 (find_omp_clause): Make static.
8510 (is_in_combined_parallel_ctx): Remove.
8511 (is_combined_parallel): New.
8512 (extract_omp_for_data): Move earlier in the file.
8513 (workshare_safe_to_combine_p): New.
8514 (get_ws_args_for): New.
8515 (determine_parallel_type): Move earlier in the file.
8516 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8518 (omp_copy_decl): Likewise.
8519 (create_omp_child_function): Likewise.
8520 (lookup_omp_region): New.
8521 (dump_omp_region): New.
8522 (debug_omp_region): New.
8523 (debug_all_omp_regions): New.
8524 (new_omp_region): New.
8525 (scan_omp_parallel): If parallel_nesting_level > 1, the
8526 directive is nested within another parallel directive.
8527 Set OMP_PARALLEL_FN.
8528 (scan_omp_for): Do not try to handle combined parallel+for
8530 Remove FIXME comment.
8531 (scan_omp_nested): Remove.
8532 (scan_omp_1): Do not call scan_omp_nested when
8533 parallel_nesting_level is > 1.
8534 Do not change the DECL_CONTEXT of local variables found.
8535 (lookup_decl_in_outer_ctx): New.
8536 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8537 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8538 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8539 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8540 If CTX is nested, lookup VAR in the outer context when
8541 building copy assignment.
8542 (lower_send_clauses): Rename from expand_send_clauses.
8543 If CTX is nested, lookup VAR in the outer context when
8544 building copy assignments.
8545 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8546 If CTX is nested, lookup VAR in the outer context when
8547 building copy assignments.
8548 (expand_parallel_call): Rename from build_parallel_call.
8549 Handle combined parallel+workshare cases.
8550 Re-implement to emit code into the CFG.
8552 (expand_omp_parallel): Re-implement to emit code into the CFG.
8553 Call move_sese_region_to_fn to outline the sub-graph
8554 containing the parallel region.
8555 (expand_omp_for_1): Remove.
8556 (expand_omp_for_generic): Re-implement to emit code into the
8558 (expand_omp_for_static_nochunk): Likewise.
8559 (expand_omp_for_static_chunk): Likewise.
8560 (expand_omp_for): Likewise.
8561 (expand_omp_sections): Likewise.
8562 (remove_exit_barriers): New.
8563 (expand_omp_synch): New.
8565 (build_omp_regions_1): New.
8566 (build_omp_regions): New.
8567 (execute_expand_omp): New.
8568 (gate_expand_omp): New.
8569 (pass_expand_omp): Define.
8570 (lower_omp_sections): Rename from expand_omp_sections.
8571 Set OMP_SECTIONS_SECTIONS.
8572 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8573 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8574 (lower_omp_single): Rename from expand_omp_simple.
8575 (lower_omp_master): Rename from expand_omp_master.
8576 (lower_omp_ordered): Rename from expand_omp_ordered.
8577 (lower_omp_critical): Rename from expand_omp_critical.
8578 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8579 (lower_omp_for): Re-implement.
8580 (lower_omp_parallel): Re-implement.
8581 (lower_regimplify): Rename from expand_regimplify.
8582 (lower_omp_1): Rename from expand_omp_1.
8583 If there are syntax errors in the program, replace every
8584 OpenMP directive with NOP.
8585 Call lower_omp_* instead of expand_omp_*.
8586 (lower_omp): Rename from expand_omp.
8588 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8589 * tree-gimple.h (enum omp_parallel_type): Remove.
8590 (gimple_boolify): Declare extern.
8591 (find_omp_clause, determine_parallel_type): Remove.
8593 * gimple-low.c (lower_omp_directive): New.
8594 (lower_stmt): Call it.
8595 (record_vars_into): Move from ...
8596 (record_vars): ... here.
8597 Call record_vars_into with current_function_decl.
8599 * gimplify.c (struct gimplify_ctx): Remove fields
8600 combined_pre_p and combined_ctxp. Update users.
8601 (get_formal_tmp_var): Add documentation.
8602 (gimple_boolify): Make extern.
8603 (gimplify_expr_in_ctx): Remove. Update callers.
8604 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8605 will always be a BIND_EXPR.
8606 (gimplify_expr): Handle OMP_RETURN_EXPR.
8607 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8608 (OMP_PARALLEL): Add 3 operands.
8609 (OMP_SECTIONS): Add 1 operand.
8610 (OMP_RETURN_EXPR): Define.
8612 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8613 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8614 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8615 creating a circular free list.
8616 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8618 * tree-flow.h (move_sese_region_to_fn): Declare.
8619 (record_vars_into): Declare.
8620 * tree-cfg.c (make_omp_sections_edges): New.
8621 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8622 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8623 OMP_SECTIONS and OMP_SECTION.
8624 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8625 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8626 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8627 (gather_blocks_in_sese_region): New.
8628 (struct move_stmt_d): Declare.
8630 (move_block_to_fn): New.
8631 (move_sese_region_to_fn): New.
8633 * passes.c (init_optimization_passes): Schedule
8634 pass_expand_omp after pass_init_datastructures.
8636 * tree-ssa-operands.c (get_expr_operands): Handle
8637 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8638 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8640 2006-01-19 Jeff Law <law@redhat.com>
8642 * tree-vrp.c (extract_range_from_assert): Refine the result range
8643 if the variable referenced by the ASSERT_EXPR has a range and
8644 either the tentative result range or the previous range is a
8647 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8649 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8651 2006-01-19 Jan Hubicka <jh@suse.cz>
8653 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8655 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8657 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8658 (expand_compound_operation, expand_field_assignment): Fail if the
8659 bit lengths of an extract operation are out of range.
8660 (make_extraction): Compute wanted_inner_mode based on the position
8661 and length of the extraction. Make it extraction_mode for non-constant
8662 positions, and do not modify offset in that case. When generating a
8663 new MEM, use a mode that can hold the extraction while keeping correct
8664 alignment. Remove code that supported MEMs wrapped by USEs.
8665 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8667 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8669 * config/s390/s390.md ("Y", "y"): New mode attribute.
8670 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8671 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8672 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8673 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8674 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8675 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8676 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8677 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8678 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8679 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8680 "addsi3", "subsi3"): Insn patterns removed.
8681 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8682 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8683 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8684 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8685 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8686 "*sub<mode>3_cconly2"): New insn patterns.
8687 ("addsi3", "subsi3"): New expanders.
8689 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8691 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8692 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8693 existing STMT_VINFO_VECTYPE if available.
8694 (vect_mark_relevant): Add special handling for stmts that are
8695 marked as STMT_VINFO_IN_PATTERN_P.
8696 (vect_analyze_loop): Call vect_pattern_recog.
8697 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8698 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8700 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8701 (vect_recog_func_ptr): New function-pointer type.
8702 * tree-vect-patterns.c: New file.
8703 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8704 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8705 (vect_pattern_recog_1): New functions.
8706 (vect_pattern_recog_funcs): New array of function pointers.
8708 * tree-vectorizer.h (ternary_op): New enum value.
8709 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8710 declaration. Revised documentation. Removed redundant dump prints.
8711 Removed redundant argument. Added support for reduction patterns.
8712 (vectorizable_reduction): Added support for reduction patterns.
8713 (vect_transform_stmt): Added support for patterns.
8715 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8716 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8717 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8718 (expand_widen_pattern_expr): New function.
8719 (init_optabs): Initialize new optabs udot_prod_optab,
8721 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8722 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8723 (expand_widen_pattern_expr): New function declaration.
8724 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8726 * tree-inline.c (estimate_num_insns_1): Added cases for new
8727 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8728 * tree-pretty-print.c (dump_generic_node): Likewise.
8729 (op_prio): Likewise.
8730 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8731 * tree-ssa-operands.c (get_expr_operands): Added case for
8733 * tree-vect-patterns.c (widened_name_p): New function.
8734 (vect_recog_dot_prod_pattern): Added function implementation.
8735 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8736 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8737 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8738 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8740 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8741 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8742 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8743 (init_optabs): Initialize new optabs widen_ssum_optab,
8745 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8746 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8747 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8748 use instead of type of def.
8749 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8750 function implementation.
8751 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8752 widen_ssumv8hi): New.
8754 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8757 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8760 * c-decl.c (add_flexible_array_elts_to_size): New function.
8761 (finish_decl): Use it.
8763 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8765 * diagnostic.h: Include options.h.
8766 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8767 dependancies for diagnostic.h.
8768 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8770 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8772 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8773 (ssa_ro_call_cache_valid): Ditto.
8774 * tree-ssa-alias.c (sort_tags_by_id): New function.
8775 (init_transitive_clobber_worklist): Ditto.
8776 (add_to_worklist): Ditto.
8777 (mark_aliases_call_clobbered): Ditto.
8778 (compute_tag_properties): Ditto.
8779 (set_initial_properties): Ditto.
8780 (compute_call_clobbered): Ditto.
8781 (compute_may_aliases): Call compute_call_clobbered and grouping.
8782 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8783 (compute_flow_insensitive_aliasing): Grouping now happens in our
8785 (setup_pointers_and_addressables): Remove clobbering related code.
8786 (add_may_alias): Ditto.
8787 (replace_may_alias): Ditto.
8788 (get_nmt_for): Ditto.
8789 (create_global_var):
8790 (is_escape_site): Return an escape_type enumeration.
8791 * tree-flow-inline.h (is_call_clobbered): Global var does not
8792 imply call clobbered.
8793 (mark_call_clobbered): Take a reason for marking this. Remove
8794 marking of globalness, and cache invalidation.
8795 (clear_call_clobbered): Remove cache invalidation code.
8796 * tree-dfa.c (dump_variable): If details is on, dump the reason
8798 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8800 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8801 (struct var_ann_d): Ditto.
8802 (enum escape_type): New.
8803 (mark_call_clobbered): Adjust prototype.
8804 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8805 are never call clobbered.
8806 Record reasons for escaping.
8807 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8808 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8809 (ssa_ro_call_cache_valid): Ditto.
8810 (clobbered_v_may_defs): Ditto.
8811 (clobbered_vuses): Ditto.
8812 (ro_call_vuses): Ditto.
8813 (clobber_stats): New.
8814 (init_ssa_operands): Zero out clobber stats.
8815 (fini_ssa_operands): Print out clobber stats.
8816 (get_call_expr_operands): Pass callee fndecl to
8818 (add_call_clobber_ops): Remove use of cache.
8819 Add use of PURE_CONST information.
8820 (add_call_read_ops): Remove use of cache.
8821 Add use of static not_read information.
8823 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8825 Introduce TLS descriptors for i386 and x86_64.
8826 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8827 (TARGET_ANY_GNU_TLS): New macro.
8828 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8829 (struct machine_function): Add tls_descriptor_call_expanded_p.
8830 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8831 (ix86_current_function_calls_tls_descriptor): Likewise.
8832 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8833 (override_options): Introduce gnu2 tls dialect.
8834 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8836 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8838 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8839 (ix86_init_machine_status): Initialize new field.
8840 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8841 (ix86_tls_module_base): New.
8842 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8843 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8844 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8845 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8846 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8847 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8848 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8849 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8850 * config/i386/predicates.md (tls_modbase_operand): New.
8851 (tp_or_register_operand): New.
8853 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8855 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8856 (look_for_address_of): Ditto.
8857 (ipa_init): Walk the function decls.
8858 (static_execute): Don't set readonly on FUNCTION_DECL's.
8860 2006-01-18 Roger Sayle <roger@eyesopen.com>
8862 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8863 for shifts where the source and destination registers are different.
8865 2006-01-18 Paul Brook <paul@codesourcery.com>
8867 Merge from csl-arm-branch.
8868 2005-03-14 Julian Brown <julian@codesourcery.com>
8869 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8870 (aeabi_llsl): Likewise.
8871 (ashrdi3): Likewise.
8872 (aeabi_lasr): Likewise.
8873 (lshrdi3): Likewise.
8874 (aeabi_llsr): Likewise.
8875 2005-03-10 Julian Brown <julian@codesourcery.com>
8876 * config.gcc: Disable shared libgcc for SymbianOS.
8877 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8879 2006-01-18 DJ Delorie <dj@redhat.com>
8881 * c-pragma.c (handle_pragma_diagnostic): New.
8882 (init_pragma): Register it.
8883 * doc/extend.texi: Document it.
8885 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8886 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8887 (diagnostic_context): Add classify_diagnostic[].
8888 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8889 as errors if they're overridden to DK_WARNING.
8890 (diagnostic_initialize): Initialize classify_diagnostic[].
8891 (diagnostic_set_kind_override): New.
8892 (diagnostic_report_diagnostic): Check for kind changes.
8893 * opts.c (common_handle_option): Take lang_mask. Update callers.
8895 * common.opt (Werror=): New.
8896 * doc/invoke.texi: Document -Werror=*
8898 2006-01-18 Jeff Law <law@redhat.com>
8900 * tree-vrp.c (test_for_singularity): Correct test for new
8901 min limit. Use operand_equal_p rather than pointer equality
8902 for testing if new min/max values are equal.
8904 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8905 using range information until after propagation and folding.
8907 2006-01-18 Richard Henderson <rth@redhat.com>
8908 Aldy Hernandez <aldyh@redhat.com>
8909 Jakub Jelinek <jakub@redhat.com>
8910 Diego Novillo <dnovillo@redhat.com>
8912 * omp-low.c: New file.
8913 * c-omp.c: New file.
8915 2006-01-18 Richard Henderson <rth@redhat.com>
8916 Jakub Jelinek <jakub@redhat.com>
8917 Diego Novillo <dnovillo@redhat.com>
8919 * doc/invoke.texi: Document -fopenmp.
8920 * tree-dump.h (debug_function): Declare.
8921 * hooks.c (hook_bool_tree_bool_false): New function.
8922 (hook_tree_tree_null): Remove.
8923 (hook_tree_tree_tree_null): New.
8924 * hooks.h: Update to match.
8925 * tree-pretty-print.c (debug_tree_chain): New.
8926 (print_generic_expr): Handle TDF_CHAIN.
8927 (dump_generic_node): Handle BLOCK.
8928 Do not abort with incomplete SWITCH_EXPRs.
8929 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8930 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8931 print space after directive name.
8932 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8933 Handle OMP_MASTER and OMP_ORDERED.
8934 Handle printing of OMP_BODY just in one place, goto
8935 dump_omp_body in the rest of OMP_* nodes that have
8937 Don't handle clause nodes here. Update omp statements to
8938 use dump_omp_clauses.
8939 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8940 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8941 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8942 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8943 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8944 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8945 Adjust output for GOMP_PARALLEL.
8946 (dump_omp_clauses): New.
8947 (print_declaration): Dump DECL_VALUE_EXPR.
8948 (op_symbol_1): Split out of op_symbol.
8949 (dumping_stmts): Remove. Update all users.
8950 * cgraph.c (cgraph_analyze_queue): New.
8951 (cgraph_add_new_function): New.
8952 * cgraph.h (cgraph_analyze_queue): Declare.
8953 (cgraph_add_new_function): Declare.
8954 (cgraph_lower_function): Remove.
8955 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8956 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8957 and TYPE_P nodes in its default clause.
8958 (empty_body_p): New.
8959 (tree_range_check_failed): New.
8961 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8962 OMP_CLAUSE_REDUCTION_MERGE,
8963 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8964 OMP_CLAUSE_PRIVATE_DEBUG,
8965 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8966 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8967 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8968 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8969 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8970 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8971 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8972 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8973 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8974 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8975 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8976 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8977 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8978 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8979 (TREE_RANGE_CHECK): New.
8980 (empty_body_p): Declare.
8981 (enum omp_clause_default_kind): New.
8982 (build_string_literal): Declare.
8983 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8984 (build5_stat, build5): Declare.
8985 * tree-pass.h (TDF_CHAIN): Define.
8986 * tree-pass.h (PROP_gimple_lomp): Define.
8987 (pass_lower_omp): Declare.
8988 * diagnostic.h (debug_tree_chain): Declare.
8989 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8991 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8992 * builtins.c (build_string_literal): Make extern.
8993 * gcc.c (include_spec_function): New.
8994 (static_spec_functions): Add it.
8995 (main): Move load of libgomp.spec ...
8996 (LINK_COMMAND_SPEC): ... here.
8997 (link_gomp_spec): New.
8998 (static_specs): Include it.
8999 (LINK_COMMAND_SPEC): Add link_gomp.
9000 (GOMP_SELF_SPECS): New.
9001 (driver_self_specs): Include it.
9002 (switch_matches): Don't mark inline.
9003 (main): Load libgomp.spec.
9004 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9005 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9006 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9007 * tree-gimple.h (enum omp_parallel): Declare.
9008 (determine_parallel_type): Declare.
9009 (omp_firstprivatize_variable): Declare.
9010 (omp_reduction_init): Declare.
9011 (diagnose_omp_structured_block_errors): Declare.
9012 (struct walk_stmt_info): Add want_return_expr.
9013 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9014 (find_omp_clause): Declare.
9015 (insert_field_into_struct): Declare.
9016 (struct walk_stmt_info): Move from tree-nested.c
9017 (walk_stmts): Declare.
9018 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9020 * cgraphunit.c (cgraph_lower_function): Make static.
9021 (cgraph_finalize_pending_functions): New.
9022 (cgraph_finalize_function): Call it.
9023 (cgraph_finalize_compilation_unit): Likewise.
9024 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9025 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9026 (BT_FN_UINT_UINT): New.
9027 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9028 DEF_FUNCTION_TYPE_VAR_4): Document.
9029 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9030 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9031 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9032 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9033 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9034 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9035 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9036 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9037 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9038 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9039 into separate files.
9040 (DEF_GOMP_BUILTIN): New.
9041 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9042 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9043 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9044 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9045 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9046 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9047 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9048 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9049 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9050 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9051 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9052 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9053 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9054 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9055 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9056 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9057 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9058 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9059 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9060 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9061 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9062 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9063 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9064 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9065 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9066 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9067 * sync-builtins.def: New file, moved from builtins.def.
9068 * omp-builtins.def: New file, moved from builtins.def.
9069 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9070 * gimple-low.c (lower_function_body): Clear data.
9071 (lower_stmt): Do not handle COMPOUND_EXPR.
9072 Remove call to print_node_brief.
9073 * c-tree.h (c_finish_omp_clauses): New prototype.
9074 (C_DECL_THREADPRIVATE_P): Define.
9075 (lookup_name_no_remap, c_omp_remap_private): Remove
9076 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9077 (check_for_loop_decls): Update decl.
9078 (lookup_name_no_remap, c_omp_remap_private): Declare.
9079 (build_indirect_ref, build_modify_expr, pushdecl,
9080 pushdecl_top_level): Move to c-common.h.
9081 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9082 before the switch, but just in the 2 places that need it.
9083 * c-decl.c (diagnose_mismatched_decls): Do not check for
9084 mismatched thread-local attributes when OLDDECL is marked
9085 threadprivate and NEWDECL has no thread-local attributes.
9086 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9087 (c_gimple_diagnostics_recursively): Rename from
9088 c_warn_unused_result_recursively. Invoke
9089 diagnose_omp_structured_block_errors.
9090 (check_for_loop_decls): Return a singular decl found.
9091 * langhooks.c (lhd_omp_predetermined_sharing): Return
9092 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9093 (lhd_omp_firstprivatize_type_sizes): New.
9094 (lhd_omp_assignment): New.
9095 (lhd_omp_predetermined_sharing): New.
9096 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9097 (struct lang_hooks_for_types): Add
9098 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9099 omp_predetermined_sharing, omp_disregard_value_expr,
9100 omp_private_debug_clause, omp_clause_default_ctor,
9101 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9102 (c_finish_omp_clauses): New.
9103 (c_finish_bc_stmt): Diagnose break within omp for.
9104 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9105 (build_unary_op): Return error_mark after reporting
9107 (build_modify_expr): Likewise.
9108 * gimplify.c: Include optabs.h and pointer-set.h.
9109 (enum gimplify_omp_var_data): Declare.
9110 (struct gimplify_omp_ctx): Declare.
9111 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9113 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9114 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9115 (splay_tree_compare_decl_uid): New.
9116 (new_omp_context): New.
9117 (delete_omp_context): New.
9118 (gimple_add_tmp_var): Call omp_add_variable.
9119 (gimplify_bind_expr): Likewise.
9120 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9121 true, disregard DECL_VALUE_EXPR on the decl if any.
9122 (gimplify_expr_in_ctx): New.
9123 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9124 omp_add_variable, omp_notice_variable, omp_is_private
9125 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9126 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9127 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9128 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9129 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9130 gimplify_omp_atomic): New.
9131 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9132 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9133 OMP_CRITICAL and OMP_ATOMIC.
9134 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9135 * c-pragma.h (enum pragma_kind): Add
9136 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9137 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9138 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9139 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9140 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9141 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9142 PRAGMA_OMP_THREADPRIVATE.
9143 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9144 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9145 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9146 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9147 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9148 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9149 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9150 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9151 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9152 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9153 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9154 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9155 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9157 (struct nesting_info): Add field_map,
9158 suppress_expansion, debug_var_chain.
9159 (create_nesting_tree): Initialize them.
9160 (lookup_field_for_decl): Use field_map.
9161 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9162 (convert_local_omp_clauses): New.
9163 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9164 (walk_body): Split out of walk_function.
9165 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9166 (convert_nonlocal_reference): Handle omp statements.
9167 (convert_local_reference): Likewise.
9168 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9169 (unnest_nesting_tree): New.
9170 (lower_nested_functions): Call it.
9171 (insert_field_into_struct): Make extern.
9172 (struct walk_stmt_info): Move to tree-gimple.h.
9173 (walk_stmts): Make extern.
9174 * omp-builtins.def: New file.
9175 * tree-iterator.c (expr_only): Clarify comment.
9176 * c-common.h (pushdecl_top_level, pushdecl,
9177 build_modify_expr, build_indirect_ref,
9178 c_finish_omp_master, c_finish_omp_critical,
9179 c_finish_omp_ordered, c_finish_omp_barrier,
9180 c_finish_omp_atomic, c_finish_omp_flush,
9181 c_finish_omp_for, c_split_parallel_clauses,
9182 omp_clause_default_kind, c_omp_sharing_predetermined,
9183 c_omp_remap_decl): Declare.
9184 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9185 (OBJS-common): Add omp-low.o.
9186 (c-omp.o, omp-low.o): Add.
9187 (gimplify.o): Add dependency on $(OPTABS_H).
9188 (GTFILES): Add omp-low.c.
9189 (gt-stringpool.h): Add.
9190 * tree-cfg.c (set_bb_for_stmt): Do not update the
9191 block-to-labels map if we are currently expanding to RTL.
9192 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9194 Handle IDENTIFIER_NODE.
9195 (tree_verify_flow_info): Do not ICE when emitting error
9196 messages about invalid labels.
9197 (dump_function_to_file): Reset CFUN before emitting the body
9199 (debug_function): New.
9200 * passes.c (init_optimization_passes): Schedule
9202 * langhooks-def.h (lhd_omp_predetermined_sharing,
9203 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9205 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9206 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9207 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9208 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9209 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9210 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9211 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9212 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9213 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9214 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9215 (LANG_HOOK_DECLS): Use them.
9217 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9218 Richard Henderson <rth@redhat.com>
9219 Jakub Jelinek <jakub@redhat.com>
9220 Diego Novillo <dnovillo@redhat.com>
9222 * c-parser.c (pragma_omp_clause): Define.
9223 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9224 (c_parser_compound_statement): Likewise.
9225 (c_parser_statement): Likewise.
9226 (c_parser_pragma): Handle omp pragmas.
9227 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9228 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9229 (c_parser_omp_clause_name, check_no_duplicate_clause,
9230 c_parser_omp_variable_list,
9231 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9232 c_parser_omp_clause_copyprivate,
9233 c_parser_omp_clause_default,
9234 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9235 c_parser_omp_clause_lastprivate,
9236 c_parser_omp_clause_nowait,
9237 c_parser_omp_clause_num_threads,
9238 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9239 c_parser_omp_clause_reduction,
9240 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9241 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9242 c_parser_omp_atomic, c_parser_omp_barrier,
9243 c_parser_omp_critical, c_parser_omp_flush,
9244 c_parser_omp_for_loop, c_parser_omp_for,
9245 c_parser_omp_master, c_parser_omp_ordered,
9246 c_parser_omp_sections_scope, c_parser_omp_sections,
9247 c_parser_omp_parallel, c_parser_omp_single,
9248 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9249 * c-pragma.c (init_pragma): Do omp pragma registration here.
9250 * c.opt (fopenmp): New flag.
9252 2006-01-18 Eric Christopher <echristo@apple.com>
9254 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9255 * config/darwin.h (GOMP_SELF_SPECS): Define.
9257 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9259 * rtl.h: Remove the prototype for reg_alloc.
9261 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9264 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9265 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9266 sjlj and dwarf2 exception handling.
9267 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9268 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9269 * pa/pa.c (function_value): Treat complex and vector types as
9271 (function_arg): Likewise. Only pass scalar floats in the floating
9272 point argument registers.
9273 * pa/t-slibgcc-dwarf-ver: New file.
9274 * pa/t-slibgcc-sjlj-ver: New file.
9275 * pa/t-slibgcc-elf-ver: Delete file.
9277 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9279 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9280 unlikely_test_section_p test.
9282 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9284 * mode-switching.c (optimize_mode_switching): Make it static.
9285 * basic-block.h: Remove the prototype for
9286 optimize_mode_switching.
9288 * modulo-sched.c (sms_schedule): Make it static.
9289 * rtl.h: Remove the prototype for sms_schedule.
9291 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9292 * rtl.h: Remove the prototype for gcse_after_reload_main.
9294 * reg-stack.c (reg_to_stack): Make it static.
9295 * rtl.h: Remove the prototype for reg_to_stack.
9297 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9299 * rtl.h: Remove the prototypes for regrename_optimize and
9300 copyprop_hardreg_forward.
9302 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9304 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9305 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9306 Test against the appropriate null constant for the mode.
9307 If 'fixup_overlap' is true, swap the operands if they overlap.
9308 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9309 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9310 alpha_split_tmode_pair and adjust for above change.
9311 * config/alpha/alpha.md (movtf_internal): Adjust call to
9312 alpha_split_tfmode_pair and rely on it to swap the operands.
9313 (movti_internal): New insn and post-reload splitter.
9314 (movti): New expander.
9316 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9318 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9321 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9323 * rtlanal.c (global_reg_mentioned_p_1,
9324 global_reg_mentioned_p): Remove.
9325 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9327 * flow.c (initialize_uninitialized_subregs): Make it static.
9328 * rtl.h: Remove the prototype for
9329 initialize_uninitialized_subregs.
9331 * function.c (instantiate_virtual_regs): Make it static.
9332 * function.h: Remove the prototype for
9333 instantiate_virtual_regs.
9335 * regmove.c (regmove_optimize, combine_stack_adjustments):
9337 * rtl.h: Remove the prototypes for regmove_optimize and
9338 combine_stack_adjustments.
9340 2006-01-17 Roger Sayle <roger@eyesopen.com>
9342 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9343 (size_cost): Encode costs in bytes so that a reg-reg addition is
9344 equivalent to COSTS_N_INSNS(1).
9345 (override_options): Use the size_cost.branch_cost as the default
9346 ix86_branch_cost when optimizing for size.
9348 2006-01-18 Ben Elliston <bje@au.ibm.com>
9350 * Makefile.in (D32PBIT_FUNCS): New.
9351 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9352 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9353 D64PBIT_FUNCS and D128PBIT_FUNCS.
9354 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9355 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9357 (decnumber_dep): Define.
9358 * doc/libgcc.texi (Decimal float library routines): New node.
9359 * config/dfp-bit.h, config/dfp-bit.c: New files.
9361 2006-01-18 Ben Elliston <bje@au.ibm.com>
9363 * expr.c (emit_move_change_mode): Always adjust addresses, not
9364 just during reload. Copy replacements only during reload.
9365 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9366 emit_move_via_integer.
9368 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9370 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9371 instead of $(srcdir) and ${srcdir}.
9373 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9377 * arm.h (struct machine_function): Add pic_reg.
9378 * arm.c (arm_pic_register): Make unsigned.
9379 (arm_override_options): Only set arm_pic_register if
9380 TARGET_SINGLE_PIC_BASE.
9381 (use_return_insn): Only test for a pic register if it is fixed.
9382 (arm_compute_save_reg0_reg12_mask): Likewise.
9383 (thumb_compute_save_reg_mask): Likewise.
9384 (legitimate_pic_operand): Factor out some known invariants.
9385 (legitimize_pic_address): If we don't have a fixed pic register,
9386 then set up a pseudo in the function entry sequence. Handle the
9387 pic base being in a pseudo.
9388 (arm_load_pic_register): Handle the pic register being in a pseudo.
9389 (arm_expand_prologue): Only set up the pic register if it is fixed.
9390 (thumb_expand_prologue): Likewise.
9391 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9392 (pic_load_addr_based_insn): Likewise.
9393 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9396 2006-01-18 Ben Elliston <bje@au.ibm.com>
9398 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9399 decimal float modes for all floating point registers.
9401 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9402 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9404 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9407 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9408 even when the pointer is not NULL.
9410 2006-01-16 Ian Lance Taylor <ian@airs.com>
9412 * common.opt (ftoplevel-reorder): New option.
9413 * cgraph.c (cgraph_asm_nodes): New global variable.
9414 (cgraph_asm_last_node): New static variable.
9415 (cgraph_order): New global variable.
9416 (cgraph_create_node): Set new order field.
9417 (cgraph_varpool_node): Likewise.
9418 (decide_is_variable_needed): Return true if not
9419 flag_toplevel_reorder.
9420 (cgraph_add_asm_node): New function.
9421 * cgraph.h (struct cgraph_node): Add order field.
9422 (struct cgraph_varpool_node): Add order field.
9423 (struct cgraph_asm_node): Define.
9424 (cgraph_asm_nodes, cgraph_order): Declare.
9425 (cgraph_add_asm_node): Declare.
9426 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9428 (cgraph_varpool_assemble_pending_decls): Call it.
9429 (cgraph_output_pending_asms): New static function.
9430 (cgraph_finalize_compilation_unit): Call it.
9431 (struct cgraph_order_sort): Define.
9432 (cgraph_output_in_order): New static function.
9433 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9434 !flag_toplevel_reorder case.
9435 * c-parser.c: Include "cgraph.h".
9436 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9438 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9439 than -fno-unit-at-a-time.
9440 * doc/invoke.texi (Option Summary): Mention
9441 -fno-toplevel-reorder.
9442 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9443 -funit-at-a-time documentation.
9445 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9446 Kazu Hirata <kazu@codesourcery.com>
9448 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9450 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9452 * Makefile.in (FUNCTION_H): New. Use it instead of
9453 function.h throughout the file.
9454 * function.h: Include tree.h.
9456 2006-01-17 Ben Elliston <bje@au.ibm.com>
9458 * recog.c: Separate some functions with whitespace.
9460 2006-01-16 Richard Henderson <rth@redhat.com>
9462 Merge from gomp branch:
9463 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9464 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9465 and rename from struct inline_data. Rename callee* to dst*;
9466 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9467 transform_new_cfg, transform_return_to_modify, and
9468 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9470 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9471 (copy_decl_for_dup): Remove.
9472 * tree-inline.c (struct inline_data): Move to header.
9473 (insert_decl_map): Export.
9474 (remap_decl): Update for member name changes. Use copy_decl hook.
9475 Allow for replacement to be a non-decl. Remove dead code.
9476 (remap_type_1): Check for existing mapping.
9477 (remap_type): Export.
9478 (remap_decls): Update for member name changes.
9479 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9480 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9481 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9482 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9483 (tree_function_versioning, build_duplicate_type): Likewise.
9484 (copy_body_r): Likewise. Export.
9485 (copy_decl_for_dup): Split into ...
9486 (copy_decl_for_dup_finish, copy_decl_to_var,
9487 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9488 (replace_ref_tree, inlining_p): Remove.
9490 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9492 * ifcvt.c (if_convert): Make it static.
9493 * rtl.h: Remove the prototype for if_convert.
9495 * local-alloc.c (local_alloc): Make it static.
9496 * rtl.h: Remove the prototype for local_alloc.
9498 * loop.c (loop_optimize): Make it static.
9499 * cfgloop.h: Remove the prototype for loop_optimize.
9502 2006-01-16 DJ Delorie <dj@redhat.com>
9504 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9507 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9509 * pa.md: Disparage copies between general and floating-point registers
9510 in 32-bit move patterns.
9512 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9515 * Makefile.in (check-%): Depend on site.exp instead of
9516 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9519 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9521 * global.c (global_alloc): Make it static.
9522 * rtl.h: Remove the prototype for global_alloc.
9524 2006-01-16 Richard Guenther <rguenther@suse.de>
9526 * tree-ssa-alias.c (struct used_part): Add write_only field.
9527 (get_or_create_used_part_for): Initialize it to true.
9528 (create_overlap_variables_for): Don't create structure variables
9529 for structures that only are written to.
9530 (find_used_portions): Handle MODIFY_EXPR to track whether a
9531 structure is only written to.
9533 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9535 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9537 * basic-block.h: Remove the prototype for
9538 partition_hot_cold_basic_blocks.
9540 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9542 * cppspec.c (lang_specific_spec_functions): Remove.
9543 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9544 * gcc.h (lang_specific_spec_functions): Remove.
9545 * gccspec.c (lang_specific_spec_functions): Remove.
9547 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9549 * combine.c (record_value_for_reg): Invalidate registers
9551 (record_dead_and_set_regs_1): Likewise, by passing them to
9552 record_value_for_reg.
9553 (record_dead_and_set_regs): Invalidate stores made by a
9554 call. We do not combine across a call, but we still
9555 relied on equivalences.
9557 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9559 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9560 vrp_int_const_binop returning non-constant nodes.
9562 2006-01-16 Paul Brook <paul@codesourcery.com>
9564 * config/m68k/m68k.c (output_move_const_into_data_reg):
9565 Output correct mnemonic for mvz and mvs.
9567 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9569 * rtl-factoring.c: Add sequence abstraction algorithm.
9570 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9571 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9573 (block_has_preserve_label): New function.
9574 * common.opt: Register new pass.
9575 * Makefile.in: Ditto.
9577 * timevar.def: Ditto.
9578 * tree-pass.h: Ditto.
9579 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9580 * rtl.h (make_jump_insn_raw): Add forward decl.
9581 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9583 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9584 Roger Sayle <roger@eyesopen.com>
9586 * fold-const.c (fold_minmax): New static function.
9587 (fold_binary) <MIN_EXPR>: Call it.
9588 <MAX_EXPR>: Likewise.
9589 * stor-layout.c (place_field): Use DECL_SIZE consistently
9590 in the computation of the new record size.
9592 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9594 * cse.c (cse_condition_code_reg): Make it static.
9595 * rtl.h: Remove the prototype for cse_condition_code_reg.
9597 * combine.c (combine_instructions): Make it static.
9598 * rtl.h: Remove the prototype for combine_instructions.
9600 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9603 * tree.c (get_file_function_name_long): Concatenate the first global
9604 object name with a string derived from the input filename of the object
9607 2006-01-16 Ben Elliston <bje@au.ibm.com>
9609 * config/i386/winnt-stubs.c: Update FSF address.
9610 * config/xtensa/ieee754-df.S: Ditto.
9611 * config/xtensa/ieee754-sf.S: Ditto.
9613 2006-01-14 Ian Lance Taylor <ian@airs.com>
9615 * ifcvt.c (noce_init_if_info): New static function, broken out of
9616 noce_process_if_block.
9617 (noce_process_if_block): Call noce_init_if_info.
9618 (check_cond_move_block): New static function.
9619 (cond_move_process_if_block): New static function.
9620 (process_if_block): Call cond_move_process_if_block.
9622 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9624 * cselib.c (hash_table): Rename to cselib_hash_table.
9625 (cselib_clear_table, discard_useless_values,
9626 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9627 cselib_init, cselib_finish): Adjust uses of hash_table.
9629 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9631 PR tree-optimization/25485
9632 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9633 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9634 is known to be false and true, respectively.
9636 2006-01-14 Richard Guenther <rguenther@suse.de>
9638 PR tree-optimization/22548
9639 PR tree-optimization/22555
9640 PR tree-optimization/22501
9641 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9642 * params.def (salias-max-array-elements): New parameter.
9643 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9644 * doc/invoke.texi (salias-max-array-elements): Document.
9645 * tree-flow-inline.h (var_can_have_subvars): We also handle
9647 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9649 * tree-ssa-structalias.c (params.h): Include.
9650 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9651 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9652 (get_constraint_for): For ADDR_EXPR operating on something
9653 containing an ARRAY_REF, add all subvars to the solution.
9654 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9655 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9656 for creating MUST_DEFs.
9657 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9659 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9661 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9663 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9664 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9665 number_of_iterations_le): New functions.
9666 (number_of_iterations_special): Removed.
9667 (number_of_iterations_exit): Do not use number_of_iterations_special.
9668 * tree.c (unsigned_type_for): Always return integer type.
9670 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9671 Richard Guenther <rguenther@suse.de>
9673 PR rtl-optimization/24257
9674 * gcse.c (find_moveable_store): Only consider a store movable
9675 when the SET_SRC of the insn can be assigned to a register.
9677 2006-01-14 Ian Lance Taylor <ian@airs.com>
9679 * tree.c (tree_not_class_check_failed): New function.
9680 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9681 (tree_not_class_check_failed): Declare.
9683 2006-01-13 Ian Lance Taylor <ian@airs.com>
9685 * reload1.c (do_output_reload): Add assertion rejecting a
9688 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9690 * combine.c (struct reg_stat): Add new fields truncation_label and
9692 (record_value_for_reg): Reset truncated_to_mode.
9693 (record_truncated_value): New function.
9694 (check_promoted_subreg): Call it. Rename to check_conversions.
9695 (combine_instructions): Rename check_promoted_subreg to
9697 (reg_truncated_to_mode): New function.
9698 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9699 (gen_lowpart_or_truncate): New function.
9700 (force_to_mode): Use it instead of gen_lowpart.
9702 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9704 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9705 VAR is a tag, not its type tag.
9707 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9709 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9710 alternatives to match style of other entries.
9711 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9713 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9715 PR tree-optimization/25771
9716 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9719 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9722 * tree-inline.c (declare_return_variable): If the return variable
9723 was marked as a non gimple complex, set the return slot variable
9724 to be a non gimple comple variable.
9726 2006-01-13 Richard Guenther <rguenther@suse.de>
9728 * builtins.c (expand_builtin_sincos): New function.
9729 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9731 (expand_builtin): Expand sincos using expand_builtin_sincos.
9733 2006-01-12 DJ Delorie <dj@redhat.com>
9735 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9736 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9737 so that constant shifts can be split.
9738 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9739 (m32c_valid_pointer_mode): Make static.
9740 (shift_gen_func_for): New.
9741 (m32c_prepare_shift): Use it. Split large const shifts into
9743 * config/m32c/predicates.md (shiftcount_operand): Allow more
9745 (longshiftcount_operand): New.
9746 * doc/md.texi (Machine Constraints): Document In6.
9748 2006-01-13 Ben Elliston <bje@au.ibm.com>
9750 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9751 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9754 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9756 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9757 to try to avoid clobbering pieces of structures when we know
9758 something about the whole structure.
9759 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9761 2006-01-13 Ben Elliston <bje@au.ibm.com>
9763 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9764 return in memory, as this is no limitation is no longer present.
9766 2006-01-12 DJ Delorie <dj@redhat.com>
9768 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9769 mova with fb, and for fb+0 -> An.
9771 * config/m32c/mov.md (peephole2): Fix enabling logic.
9773 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9774 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9775 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9776 FINI_ARRAY_SECTION_ASM_OP): Define.
9778 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9780 (m32c_legitimize_reload_address): New logic to reload FB to An.
9781 (m32c_output_reg_push): Add newline.
9782 (m32c_output_reg_pop): Likewise.
9784 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9786 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9788 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9790 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9792 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9794 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9797 2006-01-11 Ben Elliston <bje@au.ibm.com>
9799 * rtlanal.c (find_reg_note): Assert insn is not null.
9801 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9803 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9806 2006-01-11 Jeff Law <law@redhat.com>
9808 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9810 (mark_threaded_blocks, register_jump_thread): New functions.
9811 (thread_through_all_blocks): Remove unwanted argument. No
9812 longer rely on e->aux to communicate thread target info.
9813 Call mark_threaded_blocks. Release the threaded_blocks
9814 bitmap and threaded_edges vector when complete.
9815 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9816 (threaded_blocks): Remove.
9817 (tree_ssa_dominator_optimize): Remove initialization and
9818 finalization of threaded_blocks. Simplify call to
9819 thread_through_all_blocks.
9820 (thread_across_edge): Call register_jump_thread rather than
9821 storing thread information into e->aux.
9822 (free_all_edge_infos): Simplify now that e->aux is no longer
9823 used to communicate with thread_through_all_blocks.
9824 * tree-flow.h (thread_through_all_blocks): Update prototype.
9825 (register_jump_thread): Prototype.
9827 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9829 * df-core.c (df_compact_blocks, df_bb_replace): Use
9830 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9832 2006-01-11 Richard Guenther <rguenther@suse.de>
9834 PR tree-optimization/25734
9835 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9836 stop propagation after successful propagation to the LHS.
9838 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9840 * basic-block.h (control_flow_graph): Change the type of
9841 x_basic_block_info to VEC(basic_block,gc) *.
9842 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9844 (SET_BASIC_BLOCK): New.
9845 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9846 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9847 * cfgbuild.c (find_basic_blocks): Likewise.
9848 * cfglayout.c (fixup_reorder_chain): Likewise.
9849 * cfgrtl.c (create_basic_block_structure,
9850 rtl_create_basic_block): Likewise.
9851 * ifcvt.c (find_if_case_1): Likewise.
9852 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9855 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9857 * Makefile.in: Removed rotted odf.c entry.
9859 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9862 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9863 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9864 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9865 output pattern modifier, not %e.
9866 * config/cris/cris.c (cris_op_str): Update comment about pattern
9868 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9869 before falling through into...
9870 <case 'E'>: Redefined from old 'e' case.
9872 2006-01-11 Jan Hubicka <jh@suse.cz>
9875 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9877 2006-01-11 Jan Hubicka <jh@suse.cz>
9879 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9880 * i386.c (x86_decompose_lea): Kill.
9881 (ix86_rtx_costs): Kill.
9883 2006-01-11 Jan Hubicka <jh@suse.cz>
9885 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9886 * cgraph.h (cgraph_node): Add inline_decl.
9887 (cgraph_insert_node_to_hashtable): Declare.
9888 (save_inline_function_body): Declare.
9889 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9891 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9892 (cgraph_function_versioning): Update call of tree_function_versioning.
9893 (save_inline_function_body): New function.
9894 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9895 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9896 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9897 (cgraph_default_inline_p): Likewise.
9898 (cgraph_decide_inlining_incrementally): Likewise.
9899 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9900 (copy_bb): Kill saving; do updating of clones.
9901 (copy_cfg_body): Kill saving.
9902 (initialize_inlined-parameters): Likewise.
9903 (expand_call_inline): Likewise.
9905 (tree_function_versioning): New parameter "update_clones".
9906 (inlining_p): Kill saving.
9907 * tree-inline.h (tree_function_versioning): Update prototype.
9908 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9911 2006-01-11 Ian Lance Taylor <ian@airs.com>
9913 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9914 Allow undoing set of machine mode.
9915 (do_SUBST): Use enums instead of is_int.
9916 (do_SUBST_MODE): New function.
9917 (SUBST_MODE): New macro.
9918 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9919 reg and trying to replace reg_regno_rtx with a new register.
9920 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9921 (simplify_set): Use SUBST_MODE.
9922 (distribute_notes): Remove code that tried to update reg notes
9923 for regno_reg_rtx changes.
9925 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9927 PR tree-optimization/23109
9928 PR tree-optimization/23948
9929 PR tree-optimization/24123
9931 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9932 * tree-cfg.c (single_noncomplex_succ): New.
9933 * tree-flow.h (single_noncomplex_succ): Declare it.
9934 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9935 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9936 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9937 insert_bb, register_division_in, insert_reciprocals,
9938 replace_reciprocal, free_bb): New.
9939 (execute_cse_reciprocals_1): Rewritten.
9940 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9941 Do not commit any edge insertion. Always compute dominators and
9942 create the allocation pool.
9943 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9944 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9945 * targhooks.c (default_min_divistions_for_recip_mul): New.
9946 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9947 * passes.c (init_optimization_passes): Run recip after tree loop
9949 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9951 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9952 Kenneth Zadeck <zadeck@naturalbridge.com>
9954 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9955 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9956 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9957 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9958 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9959 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9960 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9961 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9962 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9963 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9964 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9965 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9966 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9967 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9968 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9969 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9970 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9971 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9972 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9973 DF_SCAN_POST_ALLOC): New macros.
9974 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9975 df_free_bb_function, df_local_compute_function, df_init_function,
9976 df_dataflow_function, df_confluence_function_0,
9977 df_confluence_function_n, df_transfer_function,
9978 df_finalizer_function, df_free_function, df_dump_problem_function,
9979 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9980 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9981 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9982 df_urec_bb_info, ) New types.
9983 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9985 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9986 df_analyze_simple_change_some_blocks,
9987 df_analyze_simple_change_one_block, df_compact_blocks,
9988 df_bb_replace, df_bb_regno_last_use_find,
9989 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9990 df_insn_regno_def_p, df_find_def, df_find_use,
9991 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9992 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9993 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9994 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9995 debug_df_chain, df_get_dependent_problem, df_chain_create,
9996 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9997 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9998 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9999 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10000 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10001 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10002 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10003 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10004 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10005 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10006 df_reorganize_refs, df_set_state, df_hard_reg_init,
10007 df_read_modify_subreg_p) New public functions.
10008 * df-core.c: The core dataflow solver and glue routines for rtl
10010 (df_init, df_add_problem, df_set_blocks, df_finish,
10011 df_hybrid_search_forward, df_hybrid_search_backward,
10012 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10013 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10014 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10015 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10016 df_reg_defined, df_find_use, df_reg_used, df_dump,
10017 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10018 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10019 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10020 debug_df_useno, reset_df_after_reload): New functions.
10021 * df-scan.c: The scanning fuctions, once in df.c, completely
10022 rewritten so that they now fully model the functionality of
10023 register usage at the backend.
10024 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10025 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10026 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10027 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10028 df_get_artificial_defs, df_get_artificial_uses,
10029 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10030 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10031 df_refs_delete, df_reorganize_refs, df_set_state,
10032 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10033 df_def_record_1, df_defs_record, df_uses_record,
10034 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10035 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10036 df_record_exit_block_uses, df_hard_reg_init): New functions.
10038 * df-problems.c: Seven concrete dataflow problems that use the
10039 scanning in df-scan.c and are solved by the engine in df-core.c.
10040 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10041 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10042 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10043 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10044 df_ru_free_bb_info, df_ru_alloc,
10045 df_ru_bb_local_compute_process_def,
10046 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10047 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10048 df_ru_transfer_function, df_ru_free, df_ru_dump,
10049 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10050 df_rd_free_bb_info, df_rd_alloc,
10051 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10052 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10053 df_rd_transfer_function, df_rd_free, df_rd_dump,
10054 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10055 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10056 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10057 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10058 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10059 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10060 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10061 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10062 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10063 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10064 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10065 df_urec_mark_reg_use_for_earlyclobber,
10066 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10067 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10068 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10069 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10070 df_chain_create_bb_process_use, df_chain_create_bb,
10071 df_chain_finalize, df_chain_free, df_chains_dump,
10072 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10073 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10074 df_reg_lifetime): New functions.
10075 * df.c: Deleted file.
10076 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10077 consistent with new df api.
10078 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10079 rest_of_handle_sms): Ditto.
10080 * web.c (unionfind_union, union_defs, entry_register, web_main):
10082 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10083 invariant_expr_equal_p, find_defs, check_dependencies,
10084 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10085 free_inv_motion_data, move_loop_invariants): Ditto.
10086 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10087 Update dependencies.
10088 (odf.c): Added defective entry that was deleted later in day.
10089 * sched-deps.c (sched_analyze_1): Ditto.
10091 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10093 * tree-ssa-operands.c (get_expr_operands): Record addressable
10094 variables directly. Do not call add_stmt_operands for CONST_DECLs
10096 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10097 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10099 2006-01-11 Ben Elliston <bje@au.ibm.com>
10101 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10102 function returns true in the positive case.
10104 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10107 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10108 for SI, DI, SF and DF modes. Add alternatives to copy between
10109 general and floating point registers to the 32-bit patterns.
10110 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10111 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10112 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10113 generating 64-bit code.
10114 * config/pa/pa.c (output_move_double): Handle copies between general
10115 and floating registers.
10117 2006-01-10 Stuart Hastings <stuart@apple.com>
10119 * config/i386/i386.md (set_got): Update.
10120 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10121 (builtin_setjmp_receiver): Mach-O support.
10122 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10123 (GOT_SYMBOL_NAME): Define.
10124 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10125 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10126 * config/i386/i386.c (override_options): Revise for Darwin.
10127 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10128 support. (darwin_x86_file_end): New. (output_set_got): Add label
10129 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10130 * config/i386/i386-protos.h (output_set_got): Likewise.
10131 * config/darwin.c (machopic_legitimize_pic_address): Update
10134 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10136 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10137 when MODE isn't BLKmode.
10139 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10141 PR rtl-optimization/25367
10142 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10144 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10147 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10148 for a negative bound.
10150 2006-01-10 Richard Guenther <rguenther@suse.de>
10152 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10153 Never override with anything constraint.
10155 2006-01-10 Jan Beulich <jbeulich@novell.com>
10157 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10158 256 bits when optimize_size.
10160 2006-01-10 Jan Beulich <jbeulich@novell.com>
10162 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10164 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10165 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10168 2006-01-10 Ben Elliston <bje@au.ibm.com>
10170 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10172 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10173 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10174 (USE_FP_FOR_ARG): Reject decimal float modes.
10175 (function_arg_advance): Likewise.
10176 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10177 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10178 point types in AltiVec vectors.
10179 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10180 (rs6000_libcall_value): Likewise.
10182 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10184 * config/xtensa/ieee754-df.S: New file.
10185 * config/xtensa/ieee754-sf.S: New file.
10186 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10187 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10188 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10190 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10192 * config/sh/predicates.md (binary_float_operator,
10193 binary_logical_operator, commutative_float_operator,
10194 equality_comparison_operator, greater_comparison_operator,
10195 less_comparison_operator, logical_operator,
10196 noncommutative_float_operator, shift_operator,
10197 symbol_ref_operand, unary_float_operator): Remove redundant
10200 2006-01-09 Jeff Law <law@redhat.com>
10202 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10203 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10204 now unused arguments. Callers updated.
10205 (eliminate_redundant_computations): Remove now unused arguments,
10207 (local_fold): Remove, no longer used.
10208 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10210 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10211 (simplify_cond): New function.
10212 (forward_propagate_into_cond): Call simplify_cond.
10214 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10216 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10217 (*vec_extractv2di_1_sse): New.
10219 2006-01-09 Ben Elliston <bje@au.ibm.com>
10221 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10223 2006-01-08 Richard Guenther <rguenther@suse.de>
10225 * tree-ssa-structalias.c (get_constraint_for): Remove
10226 anyoffset argument.
10227 (get_constraint_for_component_ref): Likewise.
10228 (do_deref): Likewise.
10229 (get_constraint_for): Likewise.
10230 (do_structure_copy): Likewise.
10231 (handle_ptr_arith): Likewise.
10232 (find_func_aliases): Likewise. Remove unused need_anyoffset
10235 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10236 Kaz Kojima <kkojima@gcc.gnu.org>
10238 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10239 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10240 (EXTRA_CONSTRAINT_C16): Remove.
10241 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10242 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10243 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10244 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10245 constants of SHmedia. Handle nested constant expressions of
10247 (andcosts): Fix the costs for SHmedia constants.
10248 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10249 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10250 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10251 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10252 (movv4hi_i, movv2si_i): Likewise.
10253 (movsi_const): Adjust the second operand of ior so to match with
10254 the Csu constraint.
10255 (movdi_const, movdi_const_32bit): Likewise.
10256 (movdi_const_16bit+1): Don't sign-extend LOW.
10257 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10259 (*double_shori): Fix the split condition. Use GEN_INT instead
10260 of get_int_mode calls. Mask lower 16-bit of the argument of
10262 (sym2GOTPLT): Remove.
10263 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10265 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10266 instead of EXTRA_CONSTRAINT_C16.
10268 2006-01-07 Ian Lance Taylor <ian@airs.com>
10269 David Edelsohn <edelsohn@gnu.org>
10271 PR rtl-optimization/25662
10272 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10273 for constant operands instead of simplify_gen_binary.
10274 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10275 after trying simplify_binary_operation
10277 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10279 * tree.c (iterative_hash_expr): Hash decls based on UID.
10281 2006-01-06 Eric Christopher <echristo@apple.com>
10283 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10284 (TARGET_UNWIND_EMIT): Fix spelling.
10285 * target.h (gcc_target): Add except_table_label.
10286 * except.c (output_function_exception_table): Use.
10287 * varasm.c (default_emit_except_table_label): New.
10288 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10290 (asm_out): Add here.
10291 * output.h (default_emit_except_table_label): Prototype.
10292 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10293 * config/darwin.c (darwin_emit_except_table_label): Define.
10294 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10296 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10298 PR tree-optimization/18527
10299 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10300 number_of_iterations_special, number_of_iterations_exit):
10301 Move base and step of an iv to a single structure. Add
10302 no_overflow flag, and use it in # of iterations analysis.
10303 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10304 folded_casts argument.
10305 (simple_iv): Pass base and step in a structure. Set no_overflow
10307 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10308 Evaluate expensiveness of computing # of iterations instead of
10309 the final expression.
10310 * tree-scalar-evolution.h (affine_iv): New structure.
10311 (simple_iv): Declaration changed.
10312 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10313 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10314 find_givs_in_stmt): Changed due to simple_iv change.
10316 2006-01-06 Jeff Law <law@redhat.com>
10319 * tree-cfg.c (bsi_replace): Rename final argument from
10320 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10321 change (stmt -> orig_stmt).
10322 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10323 (bsi_remove): Add new argument. Remove EH information
10325 (verify_eh_throw_table_statements): New function.
10326 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10328 * tree-optimize.c (execute_free_cfg_annotations): Verify
10329 the EH throw statement table after removing annotations.
10330 * except.h (verify_eh_throw_table_statements): Prototype.
10331 * tree-flow.h (bsi_remove): Update prototype.
10332 * tree-vrp.c (remove_range_assertions): Add new argument to
10334 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10335 * tree-complex.c (expand_complex_div_wide): Likewise.
10336 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10337 * tree-tailcall.c (eliminate_tailcall): Likewise.
10338 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10339 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10340 * tree-nrv.c (tree_nrv): Likewise.
10341 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10342 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10343 (combine_blocks): Likewise.
10344 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10345 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10346 (cleanup_control_flow): Likewise.
10347 (remove_forwarder_block): Likewise.
10348 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10349 * tree-sra.c (sra_replace): Likewise.
10350 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10351 (forward_propagate_single_use_vars): Likewise.
10352 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10353 * tree-inline.c (expand_call_inline): Likewise.
10354 * tree-vect-transform.c (vect_transform_loop): Likewise.
10355 * tree-outof-ssa.c (rewrite_trees): Likewise.
10356 * tree-cfg.c (make_goto_expr_edges): Likewise.
10357 (cleanup_dead_labels): Likewise.
10358 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10359 (bsi_move_before, bsi_move_after): Likewise.
10360 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10361 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10363 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10366 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10368 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10369 on non gimple variables. Also add checks at the top for decls and
10371 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10373 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10374 and IMAGPART_EXPR for creating MUST_DEFs.
10375 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10376 and NAME_MEMORY_TAG separately from the DECLs.
10378 2006-01-06 Richard Guenther <rguenther@suse.de>
10380 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10381 annotation, if necessary.
10382 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10383 redundant calls to update_stmt.
10384 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10387 2006-01-05 Richard Henderson <rth@redhat.com>
10389 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10391 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10393 * c-typeck.c: Update copyright date.
10395 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10397 * c-typeck.c (build_c_cast): Always warn when casting
10398 from a pointer to an integer of different size, even if
10399 the node was constant.
10401 2006-01-05 Richard Guenther <rguenther@suse.de>
10403 PR tree-optimization/22555
10404 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10405 if one structure field is an array.
10406 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10407 operands even if we found a subvar, but ignore VOPs in this
10409 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10411 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10413 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10415 PR middle-end/24998
10416 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10418 2006-01-05 Richard Guenther <rguenther@suse.de>
10419 Diego Novillo <dnovillo@redhat.com>
10421 * tree-pass.h (TODO_remove_unused_locals): Define.
10422 * gimple-low.c (expand_var_p, remove_useless_vars,
10423 pass_remove_useless_vars): Remove. Update all users.
10424 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10425 (remove_unused_locals): New function.
10426 * tree-flow.h (remove_unused_locals): Declare.
10427 * passes.c (execute_todo): Call remove_unused_locals if
10428 TODO_remove_unused_locals is set.
10429 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10430 * tree-ssa-dce.c (pass_dce): Likewise.
10431 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10433 2006-01-05 Richard Guenther <rguenther@suse.de>
10435 * tree-flow.h (struct fieldoff): Decompose field to
10436 type, size and decl.
10437 * tree-ssa-alias.c (create_sft): Take type as parameter.
10438 (create_overlap_variables_for): Store type, size and decl
10439 in the fieldoff structure.
10440 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10441 of struct fieldoff.
10442 (push_fields_onto_fieldstack): Likewise.
10443 (create_variable_info_for): Likewise. Use offset for the
10444 SFT name if the decl is not available.
10446 2006-01-04 Paul Brook <paul@codesourcery.com>
10448 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10450 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10452 * lambda-code.c (can_put_in_inner_loop): Relax
10454 (can_put_after_inner_loop): New function.
10455 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10456 (perfect_nestify): Change to make copies and modify uses.
10458 2006-01-04 Richard Henderson <rth@redhat.com>
10460 Merge from gomp branch:
10461 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10462 via integer constant.
10463 (pragma_lex): Remove.
10464 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10465 rather than parsing it.
10466 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10467 handle_pragma_extern_prefix): Add %< %> quotes.
10468 (registered_pragmas): New.
10469 (c_register_pragma_1): New.
10470 (c_register_pragma): Use it.
10471 (c_register_pragma_with_expansion): Likewise.
10472 (c_invoke_pragma_handler): New.
10473 (init_pragma): Use cpp_register_deferred_pragma directly for
10475 * c-pragma.h (enum pragma_kind): New.
10476 (pragma_handler): New.
10477 (c_invoke_pragma_handler): Declare.
10478 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10480 * c-common.h (c_common_pch_pragma): Update decl.
10481 * Makefile.in (c-parser.o): Update dependencies.
10482 (GTFILES): Add c-pragma.h.
10483 * c-parser.c (struct c_token): Add pragma_kind.
10484 (struct c_parser): Add in_pragma.
10485 (c_lex_one_token): Always initialize keyword and pragma_kind.
10486 Extract data for CPP_PRAGMA.
10487 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10488 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10489 Don't allow CPP_PRAGMA_EOL if in_pragma.
10490 (c_parser_consume_pragma): New.
10491 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10492 (c_parser_skip_to_end_of_parameter): Likewise.
10493 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10494 (c_parser_skip_to_pragma_eol): New.
10495 (c_parser_external_declaration): Handle CPP_PRAGMA.
10496 (c_parser_compound_statement_nostart): Likewise.
10497 (c_parser_statement_after_labels): Likewise.
10498 (c_parser_pragma): New.
10499 (pragma_lex): Likewise.
10500 (c_parser_pragma_pch_preprocess): New.
10501 (c_parser_new): Merge into ...
10502 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10504 2006-01-04 Jeff Law <law@redhat.com>
10507 * tree-cfg.c (bsi_replace): Remove the original statement
10508 from the EH throw statement table.
10510 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10512 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10513 make the prototype extern "C" and add throw ().
10516 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10517 and pos non-negative and pos + len <= 32.
10518 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10519 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10520 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10523 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10524 as well as sizes not multiple of component size.
10527 * function.c (instantiate_expr): New function.
10528 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10529 walk its DECL_VALUE_EXPR with instantiate_expr.
10531 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10532 DW_OP_deref{,_size} if address isn't going to be added.
10534 2006-01-04 Ben Elliston <bje@au.ibm.com>
10536 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10537 * config/fp-bit.c: Likewise.
10539 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10541 * dominance.c: Add comment about why we use DFS numbering
10544 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10545 Richard Henderson <rth@redhat.com>
10547 Merge from gomp-branch:
10548 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10549 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10551 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10553 PR rtl-optimization/25578
10554 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10555 pass a parameter to simplify_shift_const if changing ASHIFTRT
10558 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10560 * builtins.c (get_builtin_sync_mem): New function.
10561 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10562 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10563 Call get_builtin_sync_mem to generate mem rtx.
10565 2006-01-03 Richard Guenther <rguenther@suse.de>
10568 * stmt.c (add_case_node): Make sure to clear overflow flags
10571 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10573 Merge from gomp-branch.
10574 * config/sparc/sync.md: New file.
10575 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10576 UNSPECV_LDSTUB): New constants.
10577 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10578 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10579 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10582 2006-01-03 Roger Sayle <roger@eyesopen.com>
10584 * combine.c (reg_subword_p): New predicate to test whether the
10585 destination of a set refers to a subword/piece of a register.
10586 (try_combine): Generalize the code to merge the setting of a
10587 pseudo to a constant followed by a set of a subword of that
10588 register to a constant.
10590 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10592 * basic-block.h (control_flow_graph): Change the type of
10593 x_label_to_block_map to VEC(basic_block,gc) *.
10594 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10595 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10597 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10598 VEC(basic_block,heap) *.
10599 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10600 ssa_prop_fini): Adjust the uses of cfg_blocks.
10602 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10604 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10606 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10607 hashing trees instead of a pointer hash.
10608 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10609 compare for MEM_EXPR.
10611 PR rtl-optimization/25130
10612 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10613 when comparing MEMs for GCSE
10615 2006-01-03 Ben Elliston <bje@au.ibm.com>
10617 * targhooks.h (default_decimal_float_supported_p): Declare.
10618 * targhooks.c (default_decimal_float_supported_p): Define.
10619 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10620 `default_decimal_float_supported_p'.
10621 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10623 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10625 * combine.c (apply_distributive_law <SUBREG>): Check
10626 TRULY_NOOP_TRUNCATION.
10628 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10630 * dwarf2out.c (have_switched_text_section): Delete.
10631 (have_multiple_function_sections): New.
10632 (have_location_lists): Make 'bool'.
10633 (add_AT_loc_list): Use 'true' not '1'.
10634 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10635 (output_loc_list): Use have_multiple_function_sections.
10636 (output_ranges): Likewise.
10637 (dwarf2out_begin_function): Set have_multiple_function_sections if
10639 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10640 Check function_section rather than DECL_SECTION_NAME.
10641 (dwarf2out_finish): Use have_multiple_function_sections.
10642 Don't clear have_location_lists.
10644 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10645 Jan Hubicka <jh@suse.cz>
10647 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10648 case of conditional jump jumping to the next instruction.
10649 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10650 cases of conditional jump jumping to the next instruction.
10652 2006-01-02 Jan Hubicka <jh@suse.cz>
10654 * i386.c (*_cost): Add COSTS_N_INSNS.
10655 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10657 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10660 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10662 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10664 * config/arm/arm.c (all_fpus): Fix comment typo.
10665 * config/darwin.c: Likewise.
10666 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10667 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10668 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10670 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10672 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10673 (rs6000_split_compare_and_swapqhi): New.
10674 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10675 (sync_compare_and_swapqhi_internal): New.
10676 * config/rs6000/rs6000-protos.h: Declare.