1 2006-05-08 Roger Sayle <roger@eyesopen.com>
4 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5 of a reg_equiv_constant if the result is a legitimate constant.
7 2006-05-08 Uros Bizjak <uros@kss-loka.si>
10 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
11 standard 80387 constants, raise the cost to prevent
12 compress_float_constant() to generate load from memory.
14 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
16 * config/arm/constraints.md (c): Fix a typo.
18 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
21 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
24 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
26 (_mm_mwait): Likewise.
28 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
30 (sse3_monitor): Make it 32bit only.
31 (sse3_monitor64): New. 64bit monitor.
33 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
36 * config/i386/i386.c (classify_argument): Skip fields with invalid
39 2006-05-07 Richard Guenther <rguenther@suse.de>
41 PR tree-optimization/27409
42 * tree-ssa-structalias.c (get_constraint_for_component_ref):
43 Do not try to find zero-sized subvars.
45 2006-05-07 Richard Guenther <rguenther@suse.de>
47 PR tree-optimization/27136
48 * tree-ssa-loop-niter.c (get_val_for): Correct function
49 comment, assert requirements.
50 (loop_niter_by_eval): Stop processing if the iterated
51 value did not simplify.
53 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
55 * opts.c (flag_see): remove its setting at -O3.
57 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
59 * genpeep.c (main): Make insn-peep.c depend on flags.h.
60 * arm/constraints.md: New file.
61 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
62 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
63 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
64 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
65 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
66 (EXTRA_MEMORY_CONSTRAINT): Likewise.
67 * arm.md: Include constraints.md.
68 (thumb_movsi_insn): Use satisfies_constraint_J.
69 (movhi, movqi): Use satisfies_constraint_I.
71 2006-04-29 Anatoly Sokolov <aesok@post.ru>
73 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
74 for atmeg a645 device.
76 2006-05-06 Richard Guenther <rguenther@suse.de>
78 PR tree-optimization/27151
79 * tree-vect-transform.c (vectorizable_condition): Punt on
80 values that have a different type than the condition.
82 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
85 * c-parser.c (c_parser_cast_expression): Only insert casts into
86 hash table if pointer.
87 * function.c (used_types_insert_helper): Rename from
89 (used_types_insert): Call used_types_insert_helper.
90 * function.h (used_types_insert): Accept only one argument.
92 2006-05-05 David Edelsohn <edesohn@gnu.org>
94 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
95 scratch with output modifier.
97 2006-05-04 David Edelsohn <edelsohn@gnu.org>
100 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
101 with output modifier.
103 2006-05-04 Richard Sandiford <richard@codesourcery.com>
106 * config/mips/mips.c (mips_symbolic_address_p): Return true
107 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
108 SYMBOL_GOTTPREL, and SYMBOL_TLS.
110 2006-05-04 Richard Guenther <rguenther@suse.de>
112 PR tree-optimization/14287
113 PR tree-optimization/14844
114 PR tree-optimization/19792
115 PR tree-optimization/21608
116 PR tree-optimization/27090
117 * tree-ssa-pre.c (try_combine_conversion): New function.
118 (compute_avail): After constructing the value-handle
119 expression, use try_combine_conversion to combine NOP_EXPRs
120 with previous value-handle expressions and use the result if it
123 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
125 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
127 2006-05-04 Jan Hubicka <jh@suse.cz>
130 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
132 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
134 * config/bfin/predicates.md (const01_rtx): Tell generator programs
135 that this only matches CONST_INTs. All users changed to VOIDmode
138 * config/bfin/bfin.c: Include "optabs.h".
139 (bfin_rtx_costs): Some costs for vector operations, to allow combine
141 (enum bfin_builtins): Add a number of fractional and vector builtins.
142 (bfin_init_builtins): Likewise.
143 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
144 (safe_vector_operand, bfin_expand_binop_builtin,
145 bfin_expand_unop_builtin): New functions.
146 (bfin_expand_builtin): Handle the new builtins.
147 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
150 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
153 * Makefile.in (OBJS-common): Add see.o.
154 (see.o): Add dependencies.
155 * common.opt (fsee): New flag for the see optimization was added.
156 * opts.c (flag_see): Initialized.
157 * passes.c (init_optimization_passes, pass_see): New pass.
158 * rtl.h (see_main): Declaration as extern.
159 * timevar.def (TV_SEE): New.
160 * tree-pass.h (pass_see): Declaration as extern.
161 * invoke.texi (-fsee): Document.
162 * recog.c (validate_simplify_insn): New function.
163 * recog.h (validate_simplify_insn): Declaration as extern.
164 * df-problems.c (df_chain_dump): Check for NULL.
166 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
167 Daniel Berlin <dberlin@dberlin.org>
169 * cfgrtl.c (insert_insn_bb_end_new): New function.
170 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
172 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
174 * df.h (struct web_entry): Moved from web.c.
175 (union_defs): Declaration as extern.
176 (unionfind_root): Likewise.
177 (unionfind_union): Likewise.
178 * web.c (struct web_entry): Moved to df.h.
179 (unionfind_root): Remove static declaration.
180 (unionfind_union): Likewise.
181 (union_defs): Likewise and generalize to use callback function.
182 (web_main): Update arguments for union_defs function call.
184 2006-05-04 Richard Guenther <rguenther@suse.de>
186 PR tree-optimization/26447
187 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
188 produce SSA_NAME copies before the store stmt to avoid
189 breaking exception handling.
191 2006-05-04 Jakub Jelinek <jakub@redhat.com>
194 * gimplify.c (omp_is_private): If var is shared in some outer context,
195 return false instead of true. Stop searching on parallel context
198 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
201 * coverage.c: Use get_gcov_unsigned_t() instead of
202 unsigned_type_node all over.
204 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
206 PR tree-optimization/27381
207 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
208 maintain the same immediate_use links.
209 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
210 node rather than segfaulting.
212 2006-05-03 Jakub Jelinek <jakub@redhat.com>
215 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
216 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
217 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
219 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
221 Fix PR tree-optimization/26626
222 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
224 * tree-ssa-operands.c (access_can_touch_variable): Allow
225 typecasting through union pointers.
227 2006-05-02 Jakub Jelinek <jakub@redhat.com>
230 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
231 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
232 to find if var will be a global variable even in the nested context.
233 (omp_copy_decl): Only check for global variable at the end, it might
234 be overridden in outer contexts.
235 (scan_sharing_clauses): For global variables don't create a field.
236 (lower_rec_input_clauses): Do nothing for global shared variables.
237 Emit a barrier at the end of ILIST if there were any decls in both
238 firstprivate and lastprivate clauses.
239 (lower_send_clauses): Do nothing for global variables except for
242 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
244 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
245 of the correct signedness is returned.
247 2006-05-02 Jeff Law <law@redhat.com>
249 PR tree-optimization/27364
250 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
251 multiply expressions.
253 2006-05-02 Tom Tromey <tromey@redhat.com>
255 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
257 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
260 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
261 -mthumb -fPIC are used.
263 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
264 Joshua Kinard <kumba@gentoo.org>
267 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
268 with 64-bit pointers.
270 2006-05-02 Paul Brook <paul@codesourcery.com>
272 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
274 (create_fix_barrier): Check that a suitable barrier location is
276 (arm_reorg): Include ftmp->address in allowable range of addresses.
278 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
281 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
284 2006-05-02 Jakub Jelinek <jakub@redhat.com>
287 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
288 around RESULT_DECL for result passed by reference.
289 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
290 * omp-low.c (use_pointer_for_field): Don't look at
291 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
292 (scan_omp_1): Call remap_decl on RESULT_DECLs.
293 (lower_rec_input_clauses): Don't allocate VLA memory for the second
294 time or var for passing by reference for
295 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
296 TREE_ADDRESSABLE variables when passing by reference.
298 * omp-low.c (dump_omp_region): Fix output formatting.
301 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
302 (expand_omp_parallel): Likewise.
303 * tree-cfg.c (move_sese_region_to_fn): Likewise.
306 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
307 on statement list containing also constructors and destructors.
308 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
311 * except.c (duplicate_eh_regions): Fix clearing of
312 cfun->eh->region_array entries.
314 2006-05-01 DJ Delorie <dj@redhat.com>
316 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
318 (gcc_cv_objdump): Likewise.
319 * configure: Regenerated.
321 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
324 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
325 templates for case 3 and 4.
327 2006-05-01 DJ Delorie <dj@redhat.com>
329 * vec.c: Include bconfig.h when appropriate.
330 * Makefile.in (build/vec.o): Adjust dependencies.
331 * mkconfig.sh: Make sure config.h isn't used for build machine
334 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
336 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
338 (mark_phi_for_rewrite): New function.
339 (insert_phi_nodes_for, mark_use_interesting): Call
340 mark_phi_for_rewrite.
341 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
342 (update_ssa): Initialize and free phis_to_rewrite.
344 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
346 PR rtl-optimization/27291
347 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
348 folded to a constant.
350 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
352 PR tree-optimization/27283
353 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
354 not whole # of iteration descriptions.
355 (niter_for_exit): Return just # of iterations. Fail if # of iterations
356 uses abnormal ssa name.
357 (niter_for_single_dom_exit): Ditto.
358 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
359 return just the number of iterations.
361 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
363 PR tree-optimization/27144
364 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
365 (record_estimate): Only record constant upper bound.
366 (infer_loop_bounds_from_undefined): Call
367 compute_estimated_nb_iterations just once.
368 (proved_non_wrapping_p): Renamed to ...
369 (n_of_executions_at_most): ... this. Expect bound to be a constant.
370 (convert_step_widening, scev_probably_wraps_p): Call
371 n_of_executions_at_most instead of proved_non_wrapping_p.
372 (substitute_in_loop_info): Do not replace values in bounds.
373 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
376 2006-05-01 Richard Henderson <rth@redhat.com>
379 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
380 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
383 2006-05-01 Roger Sayle <roger@eyesopen.com>
385 * c-typeck.c (parser_build_binary_op): Don't call the function
386 unsigned_conversion_warning to spot operand/result type overflow.
387 (build_binary_op): Instead, call convert_and_check instead of
388 convert to report the problem when the operands are promoted.
389 * c-common.c (unsigned_conversion_warning): Make static.
390 * c-common.h (unsigned_conversion_warning): Delete prototype.
392 2006-05-01 Richard Guenther <rguenther@suse.de>
394 PR tree-optimization/26726
395 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
397 (find_interesting_uses_address): ... we work around here
398 by folding INDIRECT_REFs in the substituted base.
400 2006-05-01 Diego Novillo <dnovillo@redhat.com>
402 * omp-low.c (dump_omp_region): Add newlines.
404 2006-04-30 Roger Sayle <roger@eyesopen.com>
406 * common.opt (Woverflow): New command line option.
407 * c-common.c (constant_expression_warning): Check warn_overflow.
408 (overflow_waring): Pass OPT_Woverflow to warning.
409 (unsigned_conversion_warning): Likewise.
410 (convert_and_check): Likewise.
411 * doc/invoke.texi: Document new command line option.
413 2006-04-30 David Edelsohn <edelsohn@gnu.org>
415 * config/rs6000/rs6000.c (rs6000_override_options): Enable
416 TARGET_NO_FP_IN_TOC for section anchors.
417 (optimization_options): Enable section anchors for all
418 non-"Objective" languages.
420 2006-04-28 Eric Christopher <echristo@apple.com>
422 * config/darwin-c.c (darwin_ms_struct): Move this
423 (darwin_set_default_type_attributes): and this...
424 * config/darwin.c: ... here.
425 * config/darwin.h (darwin_ms_struct): Declare.
427 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
429 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
431 2006-04-28 Roger Sayle <roger@eyesopen.com>
434 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
435 (push_array_bounds): Delete prototype. Change BOUNDS argument to
436 an unsigned HOST_WIDE_INT.
437 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
439 (really_start_incremental_init): No need to call convert because
440 bitsize_zero_node is already of type bitsizetype.
441 (push_init_level): Extract the value of constructor_index as an
442 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
443 (process_init_element): Likewise.
445 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
447 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
448 value before passing to make_relative_prefix.
450 2006-04-28 Alan Modra <amodra@bigpond.net.au>
453 * builtins.c (expand_builtin_memset): Expand val in original mode.
455 2006-04-27 Eric Christopher <echristo@apple.com>
457 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
459 * config/darwin-c.c (darwin_ms_struct): New.
460 (darwin_pragma_ms_struct): Ditto.
461 (darwin_set_default_type_attributes): Ditto.
462 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
463 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
464 Register ms_struct pragma.
465 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
466 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
467 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
468 darwin_set_default_type_attributes if TARGET_MACHO.
470 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
472 PR tree-optimization/26854
473 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
474 * doc/tree-ssa.texi: Update immuse iterator documentation.
475 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
476 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
477 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
478 first_safe_imm_use, next_safe_imm_use): Remove.
479 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
480 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
481 (move_use_after_head): New. Helper function to sort immuses in a stmt.
482 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
483 (first_imm_use_stmt): New. Get first stmt in an immuse list.
484 (next_imm_use_stmt): New. Get next stmt in an immuse list.
485 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
486 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
487 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
488 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
489 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
490 (perfect_nestify): Use new iterator.
491 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
493 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
494 (next_imm_name): New field in struct immediate_use_iterator_d.
495 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
496 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
497 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
498 * tree-cfg.c (replace_uses_by): Use new iterator.
499 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
500 * tree-ssa-operands.c (correct_use_link): Remove.
501 (finalize_ssa_use_ops): No longer call correct_use_link.
503 2006-04-27 Stuart Hastings <stuart@apple.com>
505 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
506 * config/t-darwin (crt3.o): Use it.
507 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
508 'pmode', use Pmode instead of SImode for SYMBOL_REF.
509 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
510 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
511 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
514 2006-04-27 Roger Sayle <roger@eyesopen.com>
516 * expmed.c (store_fixed_bit_field): If we're not optimizing for
517 size, force the intermediate into a new pseudo rather instead of
518 performing both a bitwise AND and a bitwise IOR in memory.
520 2006-04-27 Richard Guenther <rguenther@suse.de>
522 PR rtl-optimization/26685
523 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
524 this one "max-flow-memory-locations".
526 2006-04-27 Richard Guenther <rguenther@suse.de>
528 PR tree-optimization/25148
529 * tree-vrp.c (compare_values): Remove code dealing with
530 comparisons against type min/max value. Honour overflow
531 and negative constants in code dealing with comparisons
532 of plus and minus expressions.
533 (value_inside_range): Use fold_binary with LE_EXPR and
534 GE_EXPR rather than compare_values.
536 2006-04-27 Dirk Mueller <dmueller@suse.de>
538 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
541 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
543 * basic-block.h (safe_insert_insn_on_edge): Removed.
544 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
547 2006-04-26 David Edelsohn <edelsohn@gnu.org>
548 Paolo Bonzini <bonzini@gnu.org>
551 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
552 (simplify_and_const_int): Same.
554 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
556 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
558 2006-04-26 Jakub Jelinek <jakub@redhat.com>
561 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
562 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
563 cgraph_global_info_ready.
566 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
569 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
570 either decl or init is error_mark_node.
573 * tree-flow.h (struct omp_region): Add sched_kind.
574 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
575 instead of extracting omp for data.
576 (expand_omp_for): Save extracted sched_kind.
578 2006-04-25 Roger Sayle <roger@eyesopen.com>
580 * expmed.c (store_bit_field): Also check whether the bitsize is
581 valid for the machine's "insv" instruction before moving the
582 target into a pseudo for use with the insv.
583 * config/i386/predicates.md (const8_operand): New predicate.
584 * config/i386/i386.md (extv, extzv, insv): Use the new
585 const8_operand predicate where appropriate.
587 2006-04-25 DJ Delorie <dj@redhat.com>
589 * doc/install.texi (Specific): Clarify that this is not a list of
590 supported hosts or targets.
592 2006-04-25 Richard Sandiford <richard@codesourcery.com>
594 PR rtl-optimization/26725
595 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
596 block's BB_DIRTY flag.
598 2006-04-25 Geoffrey Keating <geoffk@apple.com>
600 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
603 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
606 2006-04-25 David Edelsohn <edelsohn@gnu.org>
608 * varasm.c (align_variable): New function.
609 (get_block_for_decl): Apply align_variable to DECL before
610 calculating section information.
611 (assemble_variable): Split out alignment computation.
613 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
615 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
618 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
620 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
621 MODE_PARTIAL_INT mode.
622 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
623 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
625 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
626 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
628 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
630 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
632 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
633 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
634 MACFLAG_IH): Likewise.
635 (movstricthi_1): Renamed from "*movstricthi".
636 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
637 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
638 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
639 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
640 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
641 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
642 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
643 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
644 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
645 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
646 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
647 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
648 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
649 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
650 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
652 * doc/rtl.texi (ss_ashift): Improve wording.
654 2006-04-24 Geoffrey Keating <geoffk@apple.com>
656 * dwarf2out.c (verify_marks_clear): New.
657 (prune_unused_types): Call verify_marks_clear initially, not
660 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
662 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
663 * doc/rtl.texi: Document them.
664 * simplify-rtx.c (simplify_unary_operation,
665 simplify_binary_operation_1): Don't abort when we see them.
667 2006-04-24 Mark Mitchell <mark@codesourcery.com>
670 2006-04-23 Mark Mitchell <mark@codesourcery.com>
671 * configure.ac: Completely disregard languages that are not
673 * configure: Regenerated.
675 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
676 Richard Guenther <rguenther@suse.de>
678 PR tree-optimization/27236
679 * tree-inline.c (copy_body_r): Make sure to copy
680 TREE_THIS_VOLATILE flag.
682 2006-04-24 Richard Guenther <rguenther@suse.de>
685 * tree-complex.c (update_parameter_components): Don't handle
686 unused parameters which have no default def.
688 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
689 Richard Guenther <rguenther@suse.de>
691 PR tree-optimization/27218
692 * tree-inline.c (expand_call_inline): Strip useless type
693 conversions for the return slot address.
695 2006-04-24 Richard Guenther <rguenther@suse.de>
697 * cfgloop.h (struct loops): Remove unused field array. Reorder
699 (LOOP_PREFETCH): Remove.
701 2006-04-24 Richard Guenther <rguenther@suse.de>
703 PR tree-optimization/22525
704 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
705 variable, adjust types of generated expressions.
707 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
709 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
710 (tree-vect-patterns.o): Likewise.
712 (cselib.o): Likewise.
713 (loop-doloop.o): Likewise.
714 (regclass.o): Likewise.
715 (reload1.o): Likewise.
716 (explow.o): Replace target.h with $(TARGET_H).
717 (ipa-prop.o): Likewise.
718 (ipa-cp.o): Likewise.
719 (ipa-inline.o): Likewise.
721 (reg-stack.o): Likewise.
723 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
725 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
727 2006-04-23 Mark Mitchell <mark@codesourcery.com>
729 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
731 * configure.ac: Completely disregard languages that are not
733 * configure: Regenerated.
736 * c-common.h (c_build_bitfield_integer_type): Declare.
737 * c-decl.c (c_build_bitfield_integer_type): Move to ...
738 * c-common.c (c_build_bitfield_integer_type): ... here.
740 2006-04-23 Roger Sayle <roger@eyesopen.com>
743 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
744 a SImode SUBREG of a floating point register after no_new_pseudos.
746 2006-04-23 Roger Sayle <roger@eyesopen.com>
748 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
749 identify potentially eliminable registers to additionally catch
750 VIRTUAL_INCOMING_ARGS_REGNUM.
751 (addsi3): Update the conditions on when to use addsi_small_int.
753 2006-04-23 Roger Sayle <roger@eyesopen.com>
756 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
757 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
758 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
760 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
762 * fold-const.c (range_predecessor): Use operand_equal_p
763 as the predicate for equality.
764 (range_successor): Likewise.
766 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
769 * config/soft-fp/op-common.h: Fix a typo.
771 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
774 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
775 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
777 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
779 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
781 * doc/tm.texi: Fix a typo.
783 2006-04-21 Geoffrey Keating <geoffk@apple.com>
785 * dwarf2out.c (struct die_struct): Document that die_sib makes
786 a circular linked list.
787 (FOR_EACH_CHILD): New.
788 (reverse_die_lists): Delete.
789 (reverse_all_dies): Delete.
790 (add_dwarf_attr): Correct documentation.
791 (remove_child_with_prev): New.
792 (remove_child_TAG): Update for change to die_struct, use
793 remove_child_with_prev.
794 (add_child_die): Update for change to die_struct.
795 (splice_child_die): Use remove_child_with_prev and add_child_die.
796 (print_die): Use FOR_EACH_CHILD.
797 (die_checksum): Likewise.
798 (assign_symbol_names): Likewise.
799 (output_location_lists): Likewise.
800 (build_abbrev_table): Likewise.
801 (calc_die_sizes): Likewise.
802 (mark_dies): Likewise.
803 (unmark_dies): Likewise.
804 (unmark_all_dies): Likewise.
805 (output_die): Likewise.
806 (prune_unused_types_mark): Likewise.
807 (prune_unused_types_walk): Likewise.
808 (same_die_p): Update for change to die_struct.
809 (break_out_includes): Likewise.
810 (prune_unused_types_prune): Likewise.
811 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
812 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
814 (dwarf2out_finish): Don't call reverse_all_dies.
816 2006-04-21 Eric Christopher <echristo@apple.com>
818 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
819 in comments and function names.
821 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
824 * c-typeck.c (digest_init): Robustify.
826 * c-typeck.c (pop_init_level): Simplify.
828 2006-04-21 Steve Ellcey <sje@cup.hp.com>
830 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
832 2006-04-21 Paul Brook <paul@codesourcery.com>
834 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
835 hardware floating point.
837 2006-04-21 David Edelsohn <edelsohn@gnu.org>
839 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
842 2006-04-21 Nick Clifton <nickc@redhat.com>
844 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
847 2006-04-21 Alan Modra <amodra@bigpond.net.au>
850 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
851 C++ lang type in traceback table for Objective-C++.
853 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
855 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
857 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
859 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
862 * tree-mudflap.c (mudflap_finish_file): Skip function when there
863 were errors. Remove check for erroneous objects.
865 2006-04-20 Jeff Law <law@redhat.com>
867 PR tree-optimization/26854
868 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
869 checking for zero or one use.
870 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
871 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
872 * tree-ssa-reassoc.c (negate_value): Similarly.
873 (reassociate_bb): Similarly.
875 2006-04-20 Jakub Jelinek <jakub@redhat.com>
877 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
878 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
879 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
881 2006-04-20 Alan Modra <amodra@bigpond.net.au>
883 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
884 fp regs if the last fp arg doesn't fit in regs.
886 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
889 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
890 that the last insn has the REG_INC note.
892 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
893 Nathan Sidwell <nathan@codesourcery.com>
896 * stor-layout.c (update_alignment_for_field): Do not align
898 (place_union_field): Place union field at the start of the union.
899 (place_field): Move ERROR_MARK check later, and use the current
900 allocation position to maintain monotonicity.
902 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
904 * dominance.c: Include timevar.h.
905 (calculate_dominance_info): Use TV_DOMINANCE.
906 * timevar.def (TV_DOMINANCE): New timevar.
907 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
909 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
911 PR rtl-optimization/14261
912 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
913 move would be an INSV insn.
914 (noce_process_if_block): Don't optimize if the destination is a
915 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
917 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
919 * config/s390/s390.md: Add comments with the instructions emitted
920 by an insn pattern if macros are used.
922 2006-04-19 Alan Modra <amodra@bigpond.net.au>
924 PR rtl-optimization/26026
925 * fold-const.c (fold_binary): Optimize div and mod where the divisor
926 is a known power of two shifted left a variable amount.
928 2006-04-18 Geoffrey Keating <geoffk@apple.com>
930 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
931 to hash table twice when the debug_str section has SECTION_MERGE.
933 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
935 * config/soft-fp: New directory. From glibc.
936 * config/soft-fp/t-softfp: New.
937 * config/soft-fp/README: New.
938 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
939 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
940 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
941 (LIBGCC_DEPS): Add $(SFP_MACHINE).
942 * config.gcc: Use rs6000/t-fprules-fpbit or
943 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
945 * config/rs6000/sfp-machine.h: New. Based on glibc.
946 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
948 * config/rs6000/t-fprules: Remove fp-bit rules.
949 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
950 * config/rs6000/t-linux64: Likewise. Remove duplicates from
951 LIB2FUNCS_EXTRA. Remove fp-bit rules.
952 (softfp_wrap_start, softfp_wrap_end): New.
954 2006-04-18 DJ Delorie <dj@redhat.com>
956 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
958 2006-04-18 Devang Patel <dpatel@apple.com>
960 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
962 2006-04-18 Nick Clifton <nickc@redhat.com>
964 * config/sh/t-symbian: Add rule to build sh-c.o
965 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
966 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
967 (sh_symbian_encode_section_info): Likewise.
969 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
971 * builtins.c (expand_builtin_strcmp): Cover label definition of
972 do_libcall with HAVE_cmpstrnsi.
974 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
976 * function.c (temp_slots_at_level, max_slot_level): Use VEC
978 * function.h (temp_slot_p): New.
979 (function): Change the type of x_used_temp_slots to
980 VEC(temp_slot_p,gc) *.
982 2006-04-18 Nick Clifton <nickc@redhat.com>
984 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
985 flag_strength_reduce.
987 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
989 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
993 Partial revert of revision 112637
994 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
995 Dale Johannesen <dalej@apple.com>
998 * regclass.c (struct reg_pref): Update documentation.
999 (regclass): Set prefclass to NO_REGS if memory is the best option.
1000 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1002 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1004 PR tree-optimization/26821
1005 * tree-ssa-math-opts.c (get_constant_one): New.
1006 (insert_reciprocals): Use it.
1008 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1010 * dwarf2out.c (free_AT): Delete.
1011 (remove_AT): Update string ref counts.
1012 (remove_child_TAG): Don't call free_die.
1014 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1015 or DW_TAG_GNU_EINCL.
1016 (prune_unused_types_walk_attribs): Reset string refcounts.
1017 (prune_unused_types_update_strings): New.
1018 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1019 call free_die. Do call prune_unused_types_update_strings.
1020 (prune_unused_types): Empty debug_str_hash.
1022 2006-04-17 Roger Sayle <roger@eyesopen.com>
1024 * expr.c (expand_assignment): Optimize away no-op moves where the
1025 source and destination are equal and have no side-effects.
1027 2006-04-17 Richard Guenther <rguenther@suse.de>
1030 * reload.c (push_reload): Guard calls to get_secondary_mem
1033 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1035 * alias.c (reg_base_value, old_reg_base_value): Change the
1036 type to VEC(rtx,gc) *.
1037 (REG_BASE_VALUE, find_base_value, record_set,
1038 init_alias_analysis): Use VEC instead of VARRAY.
1040 * alias.c (alias_sets): Change the type to
1041 VEC(alias_set_entry,gc) *.
1042 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1043 VEC instead of VARRAY.
1044 (last_alias_set): Remove.
1046 * cgraph.h (cgraph_edge_p): New.
1047 Update the prototype of cgraph_function_versioning.
1048 * cgraphunit.c (cgraph_copy_node_for_versioning,
1049 cgraph_function_versioning): Use VEC instead of VARRAY.
1050 * ipa-cp.c (ipcp_insert_stage): Likewise.
1052 2006-04-16 Roger Sayle <roger@eyesopen.com>
1055 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1056 "A op B" or "A op C", we may need to convert A to the type of B and C.
1058 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1060 * target.h (struct gcc_target): Add mode_rep_extended.
1061 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1062 (init_num_sign_bit_copies_in_rep): Initialize it using
1064 (truncate_to_mode): Use it.
1065 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1066 * targhooks.h (default_mode_rep_extended): Declare it.
1067 * targhooks.c (default_mode_rep_extended): Define it.
1068 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1069 default_mode_rep_extended.
1070 (TARGET_INITIALIZER): Include it.
1071 * doc/tm.texi (Misc): Document it.
1072 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1073 (mips_truncated_to_mode): New function.
1075 2006-04-16 Roger Sayle <roger@eyesopen.com>
1078 * expr.c (compress_float_constant): Copy the narrow constant into
1079 a new pseudo before extending it to its final width.
1081 2006-04-16 Roger Sayle <roger@eyesopen.com>
1082 Andrew Pinski <pinskia@gcc.gnu.org>
1083 Dale Johannesen <dalej@apple.com>
1086 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1087 special case code to implement V8HImode and V16QImode with SSE2.
1089 2006-04-15 Roger Sayle <roger@eyesopen.com>
1091 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1092 trees are constructed with a suitable tree type.
1094 2006-04-15 Roger Sayle <roger@eyesopen.com>
1096 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1097 (integer_onep): Likewise.
1098 (integer_all_onesp): Likewise.
1099 (integer_pow2p): Likewise.
1100 (integer_nonzerop): Likewise.
1101 (real_zerop): Likewise.
1102 (real_onep): Likewise.
1103 (real_twop): Likewise.
1104 (real_minus_onep): Likewise.
1105 (int_size_in_bytes): Likewise.
1106 (host_integerp): Likewise.
1108 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1110 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1111 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1112 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1114 * tree-ssa-structalias.h (alias_info): Remove num_references.
1116 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1118 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1119 (output_bvb patterns): Likewise.
1120 * pa.c (output_bb): Use 'bb' insn for long branch case.
1121 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1122 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1123 1. Correct length operand for alternatives 1 and 2.
1124 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1125 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1127 2006-04-14 Roger Sayle <roger@eyesopen.com>
1129 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1130 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1131 were accidentally reverted by r112959.
1133 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1136 * except.h (eh_region_outermost): New prototype.
1137 * except.c (eh_region_outermost): New function.
1138 * tree-cfg.c (find_outermost_region_in_block): Use it.
1140 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1142 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1144 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1145 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1146 (init_reload, reload): Use VEC instead of VARRAY.
1147 * reload.h: Update the prototype for
1148 reg_equiv_memory_loc_varray.
1150 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1151 Eric Botcazou <ebotcazou@libertysurf.fr>
1153 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1156 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1159 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1160 to expand fallback builtin function call.
1162 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1165 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1166 and emit libcall here in case the builtin fails.
1167 (expand_builtin_strcmp): Always emit the libcall here on failure.
1169 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1171 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1172 * flow.c (reg_n_info): Change the type to
1173 VEC(reg_info_p,heap) *.
1174 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1176 * regs.h (reg_info_p): New.
1177 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1178 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1179 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1182 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1184 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1186 * params.h (MAX_SCHED_READY_INSNS): New macro.
1187 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1188 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1189 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1190 the ready list for 1 cycle during the first scheduling pass.
1191 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1193 2006-04-13 Richard Henderson <rth@redhat.com>
1196 * gimple-low.c (lower_omp_directive): Remove dead code.
1197 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1198 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1199 * omp-low.c (struct omp_region): Move to tree-flow.h.
1200 (root_omp_region): Export.
1201 (omp_regions, lookup_omp_region): Remove.
1202 (determine_parallel_type): Update for struct omp_region changes.
1203 (dump_omp_region): Dump regions with block numbers.
1204 (new_omp_region): Take type and block instead of stmt; malloc
1206 (free_omp_region_1, free_omp_regions): New.
1207 (expand_parallel_call): Take entry_stmt as argument; update for
1208 changes to omp_region.
1209 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1210 (remove_exit_barriers): New.
1211 (expand_omp_parallel): Update for struct omp_region changes.
1212 (expand_omp_synch): Likewise.
1213 (expand_omp): Likewise.
1214 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1215 (expand_omp_for_static_chunk): Likewise.
1216 (expand_omp_for): Likewise.
1217 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1218 (expand_omp_sections): Similarly, with GOMP_sections_end.
1219 (expand_omp_single): New.
1220 (build_omp_regions_1): Update for OMP_CONTINUE.
1221 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1222 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1223 OMP_SECTIONS_SECTIONS.
1224 (lower_omp_single_simple): Don't emit barrier here.
1225 (lower_omp_single_copy): Likewise.
1226 (lower_omp_single): Fix bindings, and lower to straightline now.
1227 (lower_omp_master, lower_omp_ordered): Likewise.
1228 (lower_omp_critical): Likewise.
1229 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1230 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1231 omp edges, free it afterward.
1232 (make_omp_sections_edges): Remove.
1233 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1234 (move_stmt_r): Handle OMP_CONTINUE.
1235 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1236 statement pointers to basic blocks. Add type member.
1237 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1238 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1239 * tree-inline.c (estimate_num_insns_1): Likewise.
1240 * tree-pretty-print.c (dump_generic_node): Likewise.
1241 * tree-ssa-operands.c (get_expr_operands): Likewise.
1242 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1243 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1244 (OMP_CONTINUE): New.
1245 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1246 (OMP_SECTIONS_SECTIONS): Remove.
1247 (OMP_SECTION_LAST): New.
1248 (OMP_RETURN_NOWAIT): New.
1250 2006-04-13 Roger Sayle <roger@eyesopen.com>
1252 * fold-const.c (native_encode_vector, native_interpret_real):
1253 Correct obvious mistakes in the previous check-in.
1255 2006-04-13 Roger Sayle <roger@eyesopen.com>
1257 * fold-const.c (native_encode_expr): New function to encode
1258 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1259 or VECTOR_CST into a specified buffer.
1260 (native_encode_int): New function.
1261 (native_encode_real): New function.
1262 (native_encode_complex): New function.
1263 (native_encode_vector): New function.
1264 (native_interpret_expr): Inverse of native_encode_expr to convert
1265 a target representation into an INTEGER_CST, REAL_CST etc...
1266 (native_interpret_int): New function.
1267 (native_interpret_real): New function.
1268 (native_interpret_complex): New function.
1269 (native_interpret_vector): New function.
1270 (fold_view_convert_expr): New function to constant fold/evaluate
1271 a VIEW_CONVERT_EXPR of a suitable constant expression.
1272 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1273 Change call of build1 to fold_build1 when constructing a
1276 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1277 Ulrich Weigand <uweigand@de.ibm.com>
1280 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1283 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1286 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1287 optimize to lo_sum for DFmode if !TARGET_FPRS.
1289 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1291 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1292 delete_alias_info, compute_flow_sensitive_aliasing,
1293 group_aliases): Use VEC instead of VARRAY.
1294 * tree-ssa-structalias.c (update_alias_info): Likewise.
1295 * tree-ssa-structalias.h (alias_info): Change the type of
1296 processed_ptrs to VEC(tree,heap) *.
1298 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1301 * config/sh/lib1funcs.h: New file, broken out of:
1302 * config/sh/lib1funcs.asm.
1303 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1305 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1306 * config/sh/lib1funcs-Os-4-200.asm: New file.
1307 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1308 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1309 (EXTRA_MULTILIB_PARTS): Include it.
1310 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1311 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1312 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1313 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1316 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1318 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1319 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1320 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1322 * tree-ssa-live.h: Include vecprim.h.
1323 (tree_partition_associator_d): Change the type of
1324 first_partition to VEC(int,heap) *.
1325 (tpa_first_partition): Use VEC instead of VARRAY.
1327 * Makefile.in (GTFILES): Move functions.h after tree.h.
1328 * function.c (reset_block_changes, record_block_change,
1329 check_block_change, free_block_changes): Use VEC instead of
1331 * function.h (function): Change the type of
1332 ib_boundaries_block to VEC(tree,gc) *.
1333 * tree-inline.c (copy_cfg_body): Initialize
1334 ib_boundaries_block to NULL instead of (varray_type) 0.
1336 2006-04-12 Roger Sayle <roger@eyesopen.com>
1338 * expr.c (emit_group_store): Correct operand order in call to
1339 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1340 a SUBREG_BYTE of zero.
1342 2006-04-12 Richard Guenther <rguenther@suse.de>
1344 * profile.c (compute_branch_probabilities): Remove code
1345 encapsulated in !ir_type (), which are remanents of the
1346 removed RTL profiling code.
1347 * rtl-profile.c: Remove.
1349 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1351 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1352 magic NULL_RTX comment.
1353 (function_arg): Store entire fp arg to mem if any part should go
1355 (rs6000_arg_partial_bytes): Adjust for above change.
1357 2006-04-11 Roger Sayle <roger@eyesopen.com>
1359 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1360 if it hasn't been initialized by dwarf2out_init.
1362 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1364 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1365 symbolic constants in branch patterns.
1367 2006-04-11 Roger Sayle <roger@eyesopen.com>
1369 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1371 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1373 PR rtl-optimization/27073
1374 * gcse.c (try_replace_reg): Revert last change. Continue to search
1375 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1378 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1380 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1381 aggregate types other than record and union types.
1382 (function_arg): Likewise.
1383 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1385 (function_value): In 64-bit mode, return objects that require it
1388 2006-04-11 Roger Sayle <roger@eyesopen.com>
1390 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1392 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1394 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1396 2006-04-03 Jeff Law <law@redhat.com>
1399 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1400 alias information too.
1402 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1404 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1406 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1409 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1410 (premark_used_types_helper): New.
1411 (premark_used_types): New.
1412 (gen_subprogram_die): Call premark_used_types.
1413 (prune_unused_types_walk): Do not prune perennial dies.
1414 * function.c (used_types_insert): New.
1415 * function.h (struct function): Add used_types_hash field.
1416 (used_types_insert): Add prototype.
1417 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1418 * c-parser.c (c_parser_cast_expression): Save casted types in used
1421 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1424 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1425 rs6000_explicit_options.float_gprs.
1427 2006-04-10 Roger Sayle <roger@eyesopen.com>
1429 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1430 from ix86_expand_vector_init_low_nonzero. Take an additional
1431 one_var argument indicating which element is non-zero. Support
1432 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1433 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1434 with one_var instead of ix86_expand_vector_init_low_nonzero.
1436 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1438 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1439 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1440 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1441 build/genextract.o): Depend on vecprim.h.
1442 * cfglayout.c, df-problems.c, function.c, genextract.c,
1443 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1444 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1448 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1450 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1451 Declare VECs of this type.
1452 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1453 (remove_children): Delete.
1454 (add_dwarf_attr): Use VEC routines.
1455 (add_AT_flag): Update for changes to add_dwarf_attr.
1456 (add_AT_int): Likewise.
1457 (add_AT_unsigned): Likewise.
1458 (add_AT_long_long): Likewise.
1459 (add_AT_vec): Likewise.
1460 (add_AT_string): Likewise.
1461 (add_AT_die_ref): Likewise.
1462 (add_AT_fde_ref): Likewise.
1463 (add_AT_loc): Likewise.
1464 (add_AT_loc_list): Likewise.
1465 (add_AT_addr): Likewise.
1466 (add_AT_lbl_id): Likewise.
1467 (add_AT_lineptr): Likewise.
1468 (add_AT_macptr): Likewise.
1469 (add_AT_offset): Likewise.
1470 (add_AT_range_list): Likewise.
1471 (get_AT): Use VEC_iterate.
1472 (remove_AT): Use VEC_ordered_remove.
1473 (free_die): Fold remove_children into here; have it use VEC_iterate.
1474 (print_die): Use VEC_iterate on attrs.
1475 (reverse_die_lists): Don't reverse attr lists.
1476 (die_checksum): Use VEC_iterate on attrs.
1477 (same_die_p): Likewise.
1478 (output_location_lists): Likewise.
1479 (build_abbrev_table): Likewise.
1480 (size_of_die): Likewise.
1481 (unmark_all_dies): Likewise.
1482 (output_abbrev_section): Likewise.
1483 (output_die): Likewise.
1484 (prune_unused_types_walk_attribs): Likewise.
1486 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1488 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1490 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1493 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1495 2006-04-09 Roger Sayle <roger@eyesopen.com>
1497 * expr.c (store_constructor): Don't bother clearing target if
1498 we're about to assign a vector to it using vec_init_optab.
1500 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1502 * tree-ssa-alias.c (lhs_may_store_to): New function.
1503 (recalculate_used_alone): Handle LHS of calls.
1505 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1509 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1510 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1511 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1512 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1513 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1514 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1515 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1516 stubs. Add ".align 8" directives before all ".dword" directives.
1517 (GTHREAD_USE_WEAK): Revise comment.
1518 (TARGET_ATTRIBUTE_WEAK): Define.
1519 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1520 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1521 * stublib.c: New file.
1526 * pa.md (cbranch patterns): Revise arguments used in calls to
1527 output_cbranch, output_bb and output_bvd. Add long branch length
1529 (fbranch patterns): Handle long branches.
1530 (jump): Revise length check. Revise arguments for output_lbranch call.
1531 Add long branch length attributes.
1532 (decrement_and_branch_until_zero): Add long branch length attributes.
1533 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1534 Likewise. Revise arguments for output_parallel_addb and
1535 output_parallel_movb calls.
1536 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1537 output_parallel_movb and output_parallel_addb): Update prototypes.
1538 * pa.c (output_cbranch): Revise arguments. Correct handling of
1539 nullification in long branches.
1540 (output_lbranch): Add new argument to control extraction of delay
1542 (output_bb): Handle long branches.
1543 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1544 output_parallel_addb): Likewise.
1546 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1548 PR rtl-optimization/27073
1549 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1552 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1554 * tree.h (tree_memory_tag): Add old_used_alone.
1555 (SMT_OLD_USED_ALONE): New macro.
1556 * tree-ssa-alias.c (recalculate_used_alone): Stop
1557 marking things for renaming unnecessarily.
1559 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1561 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1562 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1563 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1564 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1565 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1566 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1567 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1568 spelling convensions.
1569 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1570 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1571 typos. Follow spelling conventions.
1573 2006-04-07 DJ Delorie <dj@redhat.com>
1575 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1576 passed on the stack.
1577 (m32c_init_cumulative_args): When a function returns a structure,
1578 always pass the pointer to that return area on the stack.
1579 (m32c_function_arg_advance): Don't increment the parameter number
1580 if we're processing the returned structure pointer.
1581 (pushm_info): Reverse order of registers.
1583 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1585 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1586 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1587 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1588 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1590 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1591 chrec_fold_multiply): Same.
1592 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1593 force_expr_to_var_cost): Same.
1594 * tree-mudflap.c (mf_xform_derefs_1): Same.
1595 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1597 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1599 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1600 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1603 2006-04-07 Jan Hubicka <jh@suse.cz>
1605 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1607 2006-04-07 Richard Guenther <rguenther@suse.de>
1609 PR tree-optimization/26135
1610 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1611 loads for store copy-prop.
1612 (copy_prop_visit_stmt): Likewise.
1614 2006-04-05 Robert Millan <robertmh@gnu.org>
1616 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1617 being overriden in config/k*bsd-gnu.h.
1618 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1620 * gcc/config/knetbsd-gnu.h: Ditto.
1622 2006-04-06 Jan Hubicka <jh@suse.cz>
1626 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1629 2006-04-06 Mike Stump <mrs@apple.com>
1631 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1632 for HAVE_nonlocal_goto to be consistent.
1633 (expand_builtin_nonlocal_goto): Likewise.
1634 (expand_builtin_strcmp): Use #ifdef instead of #if
1635 for HAVE_cmpstrnsi to be consistent.
1637 2006-04-05 DJ Delorie <dj@redhat.com>
1639 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1642 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1644 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1645 got-relative addressing for anything but SImode.
1647 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1648 even if the calling function doesn't modify them.
1650 2006-04-05 Richard Guenther <rguenther@suse.de>
1652 PR tree-optimization/26919
1653 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1654 to cgraph_estimate_size_after_inlining.
1656 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1658 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1660 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1662 PR tree-optimization/26996
1663 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1664 VECTOR_TYPE variables.
1666 2006-04-05 Richard Guenther <rguenther@suse.de>
1668 PR tree-optimization/26763
1669 * fold-const.c (fold_comparison): Move folding of
1670 PTR + CST CMP PTR + CST ...
1671 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1673 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1675 * doc/install.texi (Prerequisites): Refine some wording on
1676 bootstrapping and ksh.
1677 Move the version numbers of DejaGnu here from the testing section
1678 and fix casing of names.
1679 Fix markup and clarify wording for autogen requirements.
1680 Refer to GCJ instead of just java.
1681 Refer to SVN instead of CVS.
1682 Describe diffutils as useful instead of necessary.
1683 (Downloading the source): Refer to SVN instead of CVS.
1684 Adjust a link to our web site accordingly.
1685 (Configuration): Fix casing of Bison.
1686 (Building): Refer to SVN instead of CVS.
1687 Fix a sentence on the use of Bison and remove duplicate (and
1688 incorrect) version number of Bison requirement.
1689 Remove one redundant list of packages needed for building.
1690 (Specific): Avoid reference to CVS.
1692 2006-04-04 Eric Christopher <echristo@apple.com>
1694 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1695 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1696 (rs6000_handle_struct_attribute): New.
1697 (rs6000_ms_bitfield_layout_p): Ditto.
1699 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1701 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1702 NULL for dso parameter to atexit_common.
1704 2006-04-04 Eric Christopher <echristo@apple.com>
1706 * config/i386/i386.c (machopic_output_stub): Output \t
1707 between instructions and operands.
1709 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1711 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1712 satisfies_constraint_[IL] to explicit tests on value.
1714 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1716 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1717 set_nb_iterations_in_loop): Use build_int_cst instead of
1719 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1720 build_int_cst instead of convert.
1722 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1724 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1725 new value 2 for incoming.
1726 * function.c (expand_function_start): Call struct_value_rtx
1728 * config/sparc/sparc.md: Comment updated_return.
1729 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1730 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1731 struct return if sparc_std_struct_return and incoming is 2.
1732 (print_operand): Do not adjust return if
1733 sparc_std_struct_return.
1735 2006-04-04 Roger Sayle <roger@eyesopen.com>
1737 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1738 convert in the middle-end.
1739 * expr.c (store_expr, store_constructor, get_inner_reference,
1740 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1742 * tree.c (build_range_type): Likewise.
1744 2006-04-04 Tom Tromey <tromey@redhat.com>
1746 * doc/install.texi (Prerequisites): Mention jar.
1748 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1750 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1753 2006-04-04 Matthias Klose <doko@debian.org>
1755 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1756 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1759 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1761 * doc/extend.texi (Function Attributes): Rewrite visibility
1762 attribute documentation.
1763 * doc/invoke.texi (C++ Dialect Options): Rewrite
1764 -fvisibility-inlines-hidden documentation to describe something
1765 entirely different, although in practise compatible.
1766 (Code Gen Options): Warn about system headers in -fvisibiltity=
1769 * doc/extend.texi (Other Builtins): Document that
1770 __builtin_nan is a compile-time constant only when its argument
1773 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1775 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1776 trying to remove TRUNCATE check if all bits outside the new mode
1777 are identical to the sign bit.
1779 2006-04-03 Jeff Law <law@redhat.com>
1781 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1782 and operand scanning in some common cases.
1784 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1785 Dale Johannesen <dalej@apple.com>
1788 * regclass.c (struct reg_pref): Update documentation.
1789 (regclass): Set prefclass to NO_REGS if memory is the best option.
1790 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1791 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1792 into account. For non-registers, equate an empty preferred
1793 reload class to a `!' in the constraint; move the if clause to
1794 do so after those that reject the insn.
1795 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1797 (find_dummy_reload): Likewise.
1798 * doc/tm.texi (Register Classes): Document what it means
1799 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1800 * config/i386/i386.c (ix86_preferred_reload_class): Force
1801 using SSE registers (and return NO_REGS for floating-point
1802 constants) if math is done with SSE.
1803 (ix86_preferred_output_reload_class): New.
1804 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1805 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1806 * config/i386/i386.md: Remove # register preferences.
1808 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1811 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1812 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1813 the type of nb_iter.
1814 (instantiate_parameters_1): Convert the operands before calling
1815 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1816 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1818 2006-04-02 Roger Sayle <roger@eyesopen.com>
1820 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1821 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1823 * dojump.c (do_jump): Likewise.
1824 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1825 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1826 gimplify_boolean_expr): Likewise.
1827 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1828 * varasm.c (array_size_for_constructor): Likewise.
1829 * tree-object-size.c (compute_object_offset): Likewise.
1831 2006-04-02 Roger Sayle <roger@eyesopen.com>
1834 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1835 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1837 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1839 PR tree-optimization/26939
1840 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1842 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1844 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1845 at_stmt. Convert the type of operands before calling
1846 build_polynomial_chrec.
1847 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1849 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1850 (instantiate_parameters_1): Convert the type of operands before calling
1851 build_polynomial_chrec.
1852 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1853 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1854 reset_evolution_in_loop): Insert asserts to check the types of the
1856 (chrec_type): Moved...
1857 (eq_evolutions_p): Use operand_equal_p.
1858 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1859 the types of the operands.
1860 (chrec_type): ...here.
1861 * tree-data-ref.c (create_data_ref): Convert the operands before
1862 calling chrec_replace_initial_condition.
1863 (same_access_functions, analyze_subscript_affine_affine,
1864 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1865 (compute_subscript_distance, analyze_ziv_subscript,
1866 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1867 analyze_miv_subscript): Convert the operands before calling
1868 chrec_fold_minus or chrec_fold_plus.
1870 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1872 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1873 the dependence_relations vector.
1874 (compute_data_dependences_for_loop): Adjust call to
1875 compute_all_dependences.
1877 2006-04-01 Roger Sayle <roger@eyesopen.com>
1878 Richard Henderson <rth@redhat.com>
1880 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1881 gimple_boolify on the condition before calling gimplify_expr.
1883 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1885 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1886 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1887 the frame size. Update to use the new macros.
1888 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1889 * config/xtensa/ieee754-df.S: Likewise.
1891 2006-03-31 Richard Henderson <rth@redhat.com>
1893 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1894 (make_edges): ... here. Control fallthru creation with a local
1895 variable. Do not play with fake edges.
1896 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1897 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1900 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1902 * dwarf2.h (DW64_CIE_ID): Define.
1903 * dwarf2out.c (DWARF_CIE_ID): Define.
1904 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1905 length header. Use DWARF_CIE_ID.
1906 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1907 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1909 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1911 * config/sh/linux-atomic.asm: New file.
1912 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1914 2006-03-31 DJ Delorie <dj@redhat.com>
1916 * config/m32c/cond.md: Set condition flags properly throughout.
1917 * config/m32c/minmax.md: Likewise.
1918 * config/m32c/prologue.md: Likewise.
1919 * config/m32c/bitops.md: Likewise.
1920 * config/m32c/muldiv.md: Likewise.
1921 * config/m32c/mov.md: Likewise.
1922 * config/m32c/addsub.md: Likewise.
1923 * config/m32c/m32c.md: Likewise.
1924 * config/m32c/jump.md: Likewise.
1925 * config/m32c/shift.md: Likewise.
1927 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1928 conditionally output the pattern for this.
1929 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1930 (m32c_compare_redundant): New.
1931 (m32c_output_compare): New.
1932 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1934 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1935 dest, not src. Allow other 4-byte modes.
1937 2006-03-30 Denis Chertykov <denisc@overta.ru>
1939 * doc/md.texi: Refer to avr/constraints.md instead of
1942 2006-03-30 Roger Sayle <roger@eyesopen.com>
1944 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1945 signed vs. unsigned comparison failures on some hosts.
1947 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1950 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1951 change to FLOAT_REGS.
1953 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1954 (rs6000_override_options): Use it.
1955 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1956 only for -mabi=spe/no-spe and -mabi=altivec.
1958 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1960 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1963 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1965 * Makefile.in: Rename docdir to gcc_docdir.
1967 2006-03-30 Roger Sayle <roger@eyesopen.com>
1970 * expr.c (emit_group_store): Optimize group stores into a pseudo
1971 register by using a paradoxical subreg to initialize the destination
1972 if the first or last member of the group specifies a "low part".
1974 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1977 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1978 * target.h (struct gcc_target.speculate_insn): Change type of the
1979 second parameter to 'int'.
1980 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1981 the second operand of the DEPS_LIST.
1982 (copy_DEPS_LIST_list): Update reference to the second operand of the
1984 * rtl.h (alloc_DEPS_LIST): Update signature.
1985 * sched-int.h (ds_t): Change typedef to 'int'.
1986 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1988 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1990 * haifa-sched.c (try_ready): Change condition to restore
1991 non-speculative pattern of the instruction.
1992 (process_insn_depend_be_in_spec): Code to keep probability of the
1993 speculative dependence non-decreasing.
1995 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1997 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1998 (single_move_for_movmem): ... this. Also change all uses.
1999 (bfin_expand_strmov): Renamed to...
2000 (bfin_expand_movmem): ... this. Also change all uses.
2001 * config/bfin/bfin.md (movstrsi): Renamed to...
2002 (movstrsi): ...this.
2004 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2006 PR tree-optimization/26830
2008 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2009 (copy_prop_visit_stmt): Remove write-only variable ann.
2010 (init_copy_prop): Check variable loop depth here. Do not simulate
2011 memory-tag and virtual operand PHIs except for store copy prop.
2013 2006-03-30 Richard Guenther <rguenther@suse.de>
2015 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2016 variants with double arguments.
2018 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2020 * genpreds.c (write_tm_constrs_h): Delete variable p.
2021 * genconditions.c (write_header): Add tm-constrs.h to included
2023 * genpeep.c (main): Add toplev.h to included headers.
2024 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2025 (build/genpeep.o): Add toplev.h dependency.
2026 * config/rs6000/constraints.md: Add "W" constraint.
2028 2006-03-29 Roger Sayle <roger@eyesopen.com>
2030 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2031 sizes by correctly testing whether the size fits a host integer.
2032 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2033 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2034 SImode range for the default sizetype and bitsizetype.
2036 2006-03-29 Roger Sayle <roger@eyesopen.com>
2038 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2039 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2040 quickly if the argument is already of the correct type.
2041 Call fold_build1 instead of build1. Tidy up blank lines.
2043 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2045 * genemit.c (main): Add tm-constrs.h to included headers.
2046 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2047 * genpeep.c (main): Add tm-constrs.h to included headers.
2048 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2049 (write_tm_constrs_h): this and write complete file.
2050 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2051 (write_insn_preds_c): Add tm-constrs.h to included headers.
2052 (gen_constrs): New variable.
2053 (parse_option): Parse "-c".
2054 (main): Invoke write_tm_constrs_h.
2055 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2056 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2057 (object_out_file): Add tm-constrs.h dependency.
2058 (insn-emit.o): Same.
2059 (insn-output.o): Same.
2060 (insn-peep.o): Same.
2061 (insn-preds.o): Same.
2062 (insn-recog.o): Same.
2063 (tm-constsr.h): New target.
2064 (s-constrs-h): New target.
2066 * config/rs6000/constraints.md: New file.
2067 * config/rs6000/rs6000.c: Include tm-constrs.h.
2068 (num_insn_constant_wide): Convert to satisfies_constraint.
2069 (rs6000_rtx_costs): Convert to satisfies_constraint.
2070 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2071 (CONST_OK_FOR_LETTER_P): Delete.
2072 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2073 (EXTRA_CONSTRAINT): Delete.
2074 (EXTRA_MEMORY_CONSTRAINT): Delete.
2075 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2076 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2077 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2078 satisfies_constraint.
2080 * config/i386/i386.c: Include tm-constrs.h.
2082 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2084 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2085 * tree-data-ref.c (find_data_references_in_loop,
2086 compute_data_dependences_for_loop): Use pointers to VEC.
2087 (analyze_all_data_dependences): Adjust calls.
2088 * tree-data-ref.h (find_data_references_in_loop,
2089 compute_data_dependences_for_loop): Adjust declarations.
2090 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2091 compute_data_dependences_for_loop.
2093 2006-03-29 Paul Brook <paul@codesourcery.com>
2095 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2098 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2100 PR tree-optimization/26859
2101 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2103 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2104 for the step after fold_convert.
2106 2006-03-29 Paul Brook <paul@codesourcery.com>
2108 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2109 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2111 2006-03-29 Paul Brook <paul@codesourcery.com>
2114 * targhooks.c (default_narrow_bitfield): New fuction.
2115 * targhooks.h (default_narrow_bitfield): add prototype.
2116 * target.h (gcc_target): Add narrow_volatile_bitfield.
2117 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2118 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2119 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2120 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2122 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2124 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2126 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2127 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2128 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2129 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2130 (s390_function_arg_float): Allow SDmode and DDmode values to be
2131 passed in floating point registers.
2132 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2133 check with SCALAR_FLOAT_MODE_P.
2134 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2136 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2138 PR tree-optimization/25985
2139 * tree-ssa-loop-niter.c (number_of_iterations_le,
2140 number_of_iterations_ne): Make comments more precise.
2141 (number_of_iterations_cond): Add only_exit argument. Use the
2142 fact that signed variables do not overflow only when only_exit
2144 (loop_only_exit_p): New.
2145 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2146 number_of_iterations_cond.
2148 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2150 PR tree-optimization/26643
2151 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2154 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2156 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2157 (divsi3_i4_int): Likewise.
2159 2006-03-28 Roger Sayle <roger@eyesopen.com>
2161 * expr.c (emit_group_store): Only create a new pseudo reg if the
2162 quantity it needs to hold isn't already a suitable pseudo.
2164 2006-03-28 Jeff Law <law@redhat.com>
2166 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2167 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2169 2006-03-28 Roger Sayle <roger@eyesopen.com>
2171 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2172 the equivalent ~X & Y, and the symmetry related transformations.
2173 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2174 ~X & Y, and symmetry related transforms.
2176 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2178 Revert my 2006-03-27 patches.
2180 2006-03-28 Roger Sayle <roger@eyesopen.com>
2182 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2183 ~(T1)X, when T1 and T2 are integer types of the same precision
2184 and (T2)X isn't an extension.
2186 2006-03-28 Jeff Law <law@redhat.com>
2188 PR tree-optimization/26796
2189 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2190 need EH edge cleanups rather than purging them immediately.
2191 (eliminate_degenerate_phis): Handle queued EH cleanups.
2193 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2195 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2198 2006-03-27 Roger Sayle <roger@eyesopen.com>
2201 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2202 cast BIT_NOT_EXPR operand to the correct type.
2204 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2206 * tree-loop-linear.c: Don't include varray.h.
2207 (gather_interchange_stats, try_interchange_loops,
2208 linear_transform_loops): Use VEC instead of VARRAY.
2209 * lambda-mat.c: Don't include varray.h.
2210 * tree-chrec.c: Same.
2211 * lambda-trans.c: Same.
2212 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2213 VEC instead of VARRAY.
2214 * tree-vectorizer.h: Idem.
2215 * tree-data-ref.c (dump_data_references,
2216 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2217 initialize_data_dependence_relation, finalize_ddr_dependent,
2218 compute_all_dependences, find_data_references_in_loop,
2219 compute_data_dependences_for_loop, analyze_all_data_dependences,
2220 free_dependence_relation, free_dependence_relations,
2221 free_data_refs): Idem.
2222 * tree-data-ref.h (data_reference_p, subscript_p): New.
2223 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2224 VEC instead of VARRAY.
2225 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2226 (find_data_references_in_loop, compute_data_dependences_for_loop,
2227 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2228 dump_data_dependence_relations, free_dependence_relations,
2229 free_data_refs): Adjust declaration.
2230 (lambda_transform_legal_p): Move declaration here...
2231 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2232 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2233 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2234 vect_analyze_data_refs): Use VEC instead of VARRAY.
2235 * lambda.h (lambda_transform_legal_p): ...from here.
2236 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2237 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2238 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2239 tree-chrec.o): Don't depend on VARRAY_H.
2241 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2243 * rtl.def (Copyright): Update date.
2244 (DEPS_LIST): Change type of the second operand to 'int'.
2245 * target.h (Copyright): Update date.
2246 (struct gcc_target.speculate_insn): Change type of the second parameter
2248 * lists.c (Copyright): Update date.
2249 (alloc_DEPS_LIST): Change signature. Update reference to the second
2250 operand of the DEPS_LIST.
2251 (copy_DEPS_LIST_list): Update reference to the second operand of the
2253 * rtl.h (Copyright): Update date.
2254 (alloc_DEPS_LIST): Update signature.
2255 * sched-int.h (Copyright): Update date.
2256 (ds_t): Change typedef to 'int'.
2257 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2259 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2261 * haifa-sched.c (Copyright): Update date.
2262 (try_ready): Change condition to restore non-speculative pattern
2264 (process_insn_depend_be_in_spec): Code to keep probability of the
2265 speculative dependence non-decreasing.
2267 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2269 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2270 shut up the compiler.
2272 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2274 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2275 to use lib prefix for target.
2276 ($(T)libic_invalidate_array_4-200.a): Likewise.
2277 ($(T)libic_invalidate_array_4a.a): Likewise.
2279 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2280 J"orn Rennecke <joern.rennecke@st.com>
2282 * superh.opt: New file.
2283 * sh.c (boardtype, osruntime): Remove.
2284 * superh.h (SUBTARGET_OPTIONS): Remove.
2285 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2287 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2288 arguments with ^ and/or [].
2290 * config.gcc (sh-*-*): Add quoting to account for quirk of
2292 Replace == with = in enable_incomplete_targets test.
2294 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2295 with MASK_LITTLE_ENDIAN.
2297 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2298 * config/sh/sh.opt: Added to some comments.
2299 * config/sh/superh.h: Removed some chaff.
2301 * config/sh/sh.opt: Add m4-[1234]00* options.
2302 * config/sh/sh.c (sh_handle_option): Likewise.
2303 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2304 (ic_invalidate_array_4-100.o): New rule.
2305 ($(T)libic_invalidate_array_4-100.a): Likewise.
2306 (ic_invalidate_array_4-200.o): Likewise.
2307 ($(T)libic_invalidate_array_4-200.a): Likewise.
2308 (ic_invalidate_array_4a.o): Likewise.
2309 ($(T)libic_invalidate_array_4a.a): Likewise.
2310 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2311 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2313 * config/sh/crt1.asm: Merged in profiling code.
2314 * config/sh/superh.h (STARTFILE_SPEC): Override.
2315 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2316 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2317 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2319 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2320 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2321 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2323 * sh.opt (mpretend-cmove): New option.
2324 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2325 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2326 (movsicc): Add TARGET_PRETEND_CMOVE code.
2328 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2330 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2331 s390_class_max_nregs): New function prototypes.
2332 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2333 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2334 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2335 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2337 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2339 * dwarf2out.c (add_location_or_const_value_attribute): Call
2340 tree_add_const_value_attribute if nothing else works.
2341 (reference_to_unused): New.
2342 (rtl_for_decl_init): Use reference_to_unused to decide whether
2343 to output an initializer.
2345 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2348 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2349 peephole removing spe frob_di_df_2.
2351 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2353 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2354 (subscript_dependence_tester_1): Declared.
2355 (print_dir_vectors, print_dist_vectors): New.
2356 (debug_data_dependence_relation): New.
2357 (dump_data_dependence_relation): Print more details.
2358 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2359 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2360 (save_dist_v, save_dir_v, add_outer_distances,
2361 build_classic_dist_vector_1): New.
2362 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2363 Don't test for lambda_vector_lexico_pos.
2364 (same_access_functions, add_multivariate_self_dist,
2365 add_other_self_distances, dir_from_dist): New.
2366 (build_classic_dir_vector): Replace implementation almost identical to
2367 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2369 (subscript_dependence_tester_1): New.
2370 (subscript_dependence_tester): Handle the lexicographically negative
2371 distance vectors by recomputing the dependence relation.
2372 (compute_affine_dependence): Remove parameter loop_nest_depth.
2373 (compute_self_dependence): Don't call compute_subscript_distance.
2374 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2375 Add a parameter for the loop_nest.
2376 (find_loop_nest_1, find_loop_nest): New.
2377 (compute_data_dependences_for_loop): Compute the loop nest, and give
2378 up if the nest is not well formed.
2379 * tree-data-ref.h (loop_p): New.
2380 (struct data_dependence_relation): Replace size_vect field with
2381 loop_nest, a vec of loops.
2382 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2383 (DDR_LOOP_NEST): New.
2384 (print_dir_vectors, print_dist_vectors,
2385 debug_data_dependence_relation): Declared.
2386 (index_in_loop_nest): New.
2387 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2388 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2391 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2393 * simplify-rtx.c (simplify_relational_operation): Call
2394 simplify_relational_operation_1 even if mode is VOIDmode.
2396 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2398 PR tree-optimization/26804
2399 * tree.h (DECL_CALL_CLOBBERED): New macro.
2400 (tree_decl_common): Add call_clobbered_flag.
2401 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2402 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2403 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2404 (mark_non_addressable): Ditto.
2405 * tree-ssa.c (verify_call_clobbered): New function.
2406 (verify_alias_info): Use it.
2407 * tree-pass.h (pass_reset_cc_flags): New prototype.
2408 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2409 (reset_cc_flags): New function.
2410 * passes.c (init_optimization_passes): Call reset_cc_flags after
2411 initializing referenced_vars.
2413 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2414 Roger Sayle <roger@eyesopen.com>
2417 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2418 to 1.0 for non-real operands. Implement A / A optimization for
2421 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2423 * config/i386/i386.c (size_cost): Correct the comment for
2424 cost of storing fp registers.
2425 (i386_cost): Likewise.
2426 (i486_cost): Likewise.
2427 (pentium_cost): Likewise.
2428 (pentiumpro_cost): Likewise.
2429 (k6_cost): Likewise.
2430 (athlon_cost): Likewise.
2431 (k8_cost): Likewise.
2432 (pentium4_cost): Likewise.
2433 (nocona_cost): Likewise.
2434 (generic64_cost): Likewise.
2435 (generic32_cost): Likewise.
2437 2006-03-24 Denis Chertykov <denisc@overta.ru>
2439 * config/avr/avr-protos.h (extra_constraint): Delete.
2440 (extra_constraint_Q): New declaration.
2441 * config/avr/constraints.md: New file.
2442 * config/avr/avr.md: Include it.
2443 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2444 (TMP_REGNO, ZERO_REGNO): Likewise.
2445 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2446 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2447 (extra_constraint): Delete.
2448 (extra_constraint_Q): Test for memory constraint 'Q'.
2449 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2450 (REG_CLASS_FROM_LETTER): Delete.
2451 (CONST_OK_FOR_LETTER_P): Delete.
2452 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2453 (EXTRA_CONSTRAINT): Delete.
2454 (TMP_REGNO): Delete.
2455 (ZERO_REGNO): Delete.
2457 2006-03-24 Jeff Law <law@redhat.com>
2459 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2460 directly. Call mark_new_vars_to_rename slightly earlier.
2462 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2464 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2466 (gen_compile_unit_die): Use new language types for Objective-C and
2468 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2469 DW_LANG_C_plus_plus.
2472 * config/t-darwin (crt3.o): Work around bug 26840.
2473 * config/darwin-crt3.c: Rewrite.
2474 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2476 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2478 * doc/invoke.texi: Document -femit-class-debug-always
2479 * common.opt: Add -femit-class-debug-always.
2481 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2483 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2484 index and base register.
2485 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2486 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2487 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2488 REGNO_OK_FOR_INDEX_P.
2489 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2491 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2492 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2493 REG_OK_FOR_BASE_P): Definitions removed.
2495 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2498 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2499 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2500 set yet or weren't marked as local yet.
2502 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2504 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2507 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2509 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2510 (rs6000_legitimate_small_data_p): Delete.
2511 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2512 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2513 and make static. Add forward declaration. Update uses.
2514 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2515 of offsettable_memref_p.
2516 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2517 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2519 2006-03-24 Jeff Law <law@redhat.com>
2521 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2522 around bug in immediate-use iterator.
2524 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2527 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2528 or __LITTLE_ENDIAN__.
2530 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2532 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2533 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2534 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2535 * config/sh/sh.opt (mdiv=): Amend description.
2536 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2537 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2538 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2539 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2540 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2541 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2542 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2543 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2544 TARGET_DIVIDE_CALL_FP.
2546 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2548 * haifa-sched.c (choose_ready): Fix type of the local variable.
2549 Move local variables. Add comment.
2550 (check_reg_live): Change signature. Make callable from debugger.
2551 * sched-int.h (check_reg_live): Update signature.
2552 * sched-ebb.c (check_reg_live): Update parameters.
2553 * sched-rgn.c (check_reg_live): Ditto.
2554 (region_head_or_leaf_p): Check pointer before dereferencing.
2555 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2556 before reload on optimization levels below 1.
2558 2006-03-23 Richard Henderson <rth@redhat.com>
2560 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2564 * config/alpha/predicates.md (local_symbolic_operand): Reject
2567 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2570 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2571 expressions which have overflowed constants.
2573 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2575 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2577 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2579 * cfgloopmanip.c (create_loop_notes): Removed.
2580 * final.c (final_scan_insn): Do not handle loop notes.
2581 * jump.c (squeeze_notes): Ditto.
2582 * cfglayout.c (skip_insns_after_block,
2583 duplicate_insn_chain): Ditto.
2584 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2586 * cfgloop.h (create_loop_notes): Declaration removed.
2588 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2590 * varasm.c (output_constant_pool): Restore fnname and fndecl
2592 (assemble_start_function): Adjust call accordingly.
2593 (assemble_end_function): Likewise.
2595 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2598 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2601 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2603 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2606 * system.h (ICE_EXIT_CODE): New macro.
2607 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2608 (diagnostic_action_after_output): Likewise.
2609 * gcc.c (fatal_ice): New function.
2610 (execute): Use it instead of fatal.
2611 (fancy_abort): Likewise.
2612 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2614 2006-03-22 Jeff Law <law@redhat.com>
2616 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2617 iv_analyze_result returning false.
2619 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2621 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2623 2006-03-22 Richard Henderson <rth@redhat.com>
2626 * except.c (duplicate_eh_regions_0): New.
2627 (duplicate_eh_region_1): Duplicate the children of the node as
2628 well as the node itself. Link them up properly.
2629 (duplicate_eh_region_2): Merge into ...
2630 (duplicate_eh_regions): ... here. Take copy_region argument, and
2631 copy only a sub-tree if asked. Simplify copying and fixup.
2632 (eh_region_outer_p): New.
2633 * except.h (duplicate_eh_regions): Update decl.
2634 (eh_region_outer_p): Declare.
2635 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2636 (lower_omp_master): Likewise.
2637 (lower_omp_ordered): Likewise.
2638 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2639 (move_stmt_r): Use it to remap labels. Handle recursion vs
2640 remap_decls_p properly.
2641 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2642 (find_outermost_region_in_block): New.
2643 (new_label_mapper): New.
2644 (move_sese_region_to_fn): Copy eh information to the new function
2646 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2648 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2651 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2653 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2654 into shared libraries.
2656 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2658 * doc/md.texi: Refer to i386/constraints.md instead of
2660 * config/i386/constraints.md: New file, extracted from...
2661 * config/i386/predicates.md: ...here.
2662 * config/i386/i386.md: Include constraints.md.
2664 2006-03-21 Jason Merrill <jason@redhat.com>
2666 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2669 * expr.c (init_block_move_fn): Force default visibility.
2670 (init_block_clear_fn): Likewise.
2671 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2672 * targhooks.c (default_external_stack_protect_fail): Likewise.
2674 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2676 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2677 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2678 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2679 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2680 (loadgp): Use mips_current_loadgp_style.
2681 (loadgp_noshared): New pattern.
2682 (sibcall_internal): Use MIPS_CALL.
2683 (sibcall_value_internal): Likewise.
2684 (sibcall_value_multiple_internal): Likewise.
2685 (call_internal): Likewise.
2686 (call_value_internal): Likewise.
2687 (call_value_multiple_internal): Likewise.
2688 (call_split): Use MIPS_CALL and add an 'S' constraint.
2689 (call_value_split): Likewise.
2690 (call_value_multiple_split): Likewise.
2691 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2692 (-mshared): New option.
2693 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2694 (mips_current_loadgp_style): Declare.
2695 * config/mips/mips.c (mips_classify_symbol): Avoid using
2696 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2697 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2698 TARGET_ABSOLUTE_ABICALLS.
2699 (override_options): Adjust comments. Improve the warning that is
2700 issued when -mabicalls and -G are used together.
2701 (mips_file_start): Remove comment.
2702 (mips_current_loadgp_style): New function.
2703 (mips_gnu_local_gp): New variable.
2704 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2706 (mips_output_function_prologue): Use mips_current_laodgp_style.
2707 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2708 the cprestore instruction.
2709 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2710 live for TARGET_ABSOLUTE_ABICALLS.
2711 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2712 (ASM_SPEC): Pass down -mshared and -mno-shared.
2713 (MIPS_CALL): New macro.
2714 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2716 * doc/invoke.texi (-mabicalls): Update documentation.
2717 (-mshared): Document.
2719 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2721 * config/ia64/unwind-hpux.c: New file.
2722 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2724 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2727 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2729 2006-03-21 Jeff Law <law@redhat.com>
2731 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2732 type conversions of a VR_VARYING source to a wider type.
2734 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2736 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2737 tm_file on Solaris 10 and later.
2738 (sparc64-*-solaris2*): Likewise.
2739 (sparc-*-solaris2*): Likewise.
2740 * config/sol26.h: Rename to config/sol2-6.h.
2741 * config/sol2-10.h: New file.
2743 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2746 * tree-ssa-pre.c (create_component_ref_by_pieces):
2749 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2752 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2753 return it immediately.
2755 2006-03-21 Michael Matz <matz@suse.de>
2757 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2759 (remove_arc, add_arc): Update num_out_arcs member.
2760 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2762 (cache_presence): New function.
2763 (compare_states_for_equiv): New function.
2764 (state_is_differed): Don't take number of outargs, adjust callers.
2765 Use new invariant for speeding up.
2766 (init_equiv_class): Create initial classes based on sorted
2768 (partition_equiv_class): Don't track out_arcs_num.
2769 (evaluate_equiv_classes): Call cache_presence on all states and
2772 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2774 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2775 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2776 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2777 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2779 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2780 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2781 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2782 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2783 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2785 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2786 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2787 (REGNO_REG_CLASS): ARGP is in PREGS.
2788 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2790 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2791 to deal with those addresses.
2792 * addresses.h: New file.
2793 * caller-save.c: Include "addresses.h".
2794 (init_caller_save): Use new base_reg_class function.
2795 * rtl-factoring.c: Include "addresses.h".
2796 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2797 * recog.c: Include "addresses.h".
2798 (preprocess_constraints): Use new base_reg_class function.
2799 * regrename.c: Include "addresses.h".
2800 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2801 functions. Keep track of a new var INDEX_CODE to compute valid
2803 (replace_oldest_value_addr): Likewise.
2804 (replace_oldest_value_mem): Use base_reg_class.
2805 * reload.c: Include "addresses.h".
2806 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2807 (find_reloads): Use new base_reg_class function.
2808 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2809 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2810 all callers and prototype changed.
2811 * reload1.c: Include "addresses.h".
2812 (maybe_fix_stack_asms): Use base_reg_class.
2813 * regclass.c: Include "addresses.h".
2814 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2815 (init_reg_autoinc): Use new base_reg_class function.
2816 (record_reg_classes): Likewise.
2817 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2818 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2819 Use new args to compute necessary class.
2821 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2822 regrename.o, rtl-factoring.o): Update dependencies.
2823 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2824 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2825 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2826 REG_OK_FOR_INDEX_P): Delete documentation.
2828 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2830 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2831 from V7 to V9 for Solaris 7 and above.
2833 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2835 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2836 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2837 argument pointers may not alias any other storage.
2838 * common.opt: Define option -fargument-noalias-anything.
2839 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2840 alias semantics is specified by flag_argument_noalias > 2.
2842 2006-03-20 Jeff Law <law@redhat.com>
2844 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2845 (pass_phi_only_cprop): Declare.
2846 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2848 * tree-ssa-dom.c (degenerate_phi_result): New function.
2849 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2850 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2851 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2852 (eliminate_degenerate_phis): Likewise.
2853 (pass_phi_only_cprop): New pass descriptor.
2854 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2855 support code. Callers updated.
2856 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2857 (store_copy_prop): Likewise.
2858 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2860 2006-03-20 Jason Merrill <jason@redhat.com>
2863 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2864 (push_visibility, pop_visibility): Likewise.
2865 * c-pragma.h: Declare them.
2867 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2869 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2871 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2872 parameter and use get_ebb_head_tail.
2873 (sh_md_init_global): Adjust uses of find_regmode_weight.
2875 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2877 * function.h (struct function) <x_tail_recursion_reentry>:
2878 Rename to x_stack_check_probe_note.
2879 (tail_recursion_reentry): Rename to stack_check_probe_note.
2880 * function.c: Replace tail_recursion_reentry with
2881 stack_check_probe_note everywhere.
2882 (expand_function_start): Only emit a note for
2883 stack_check_probe_note with -fstack-protect.
2884 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2886 * emit-rtl.c (remove_unnecessary_notes): Remove.
2887 (pass_remove_unnecessary_notes): Remove.
2888 * rtl.h (remove_unnecessary_notes): Remove prototype.
2889 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2890 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2891 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2893 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2896 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2897 (valid_in_set): Handle ARRAY_REF.
2898 Change "if min_variant or VH" to asserts.
2899 (create_component_ref_by_pieces): Handle ARRAY_REF.
2900 (create_expression_by_pieces): Likewise.
2901 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2903 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2905 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2906 is operand of switch, not str[0].
2908 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2910 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2911 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2913 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2915 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2916 end of insn_extra_address_constraint declaration.
2918 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2920 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2921 (no-sum-in-toc): Same.
2922 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2924 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2925 NO_FP_IN_TOC for -fPIC instead of mask.
2927 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2928 (BOOT_LDFLAGS): Delete.
2930 * config/rs6000/t-aix52: Same.
2932 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2933 (stmsi[345678]_power): New.
2935 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2937 * config/ia64/ia64.opt: Add empty line to end of file.
2939 2006-03-17 Richard Guenther <rguenther@suse.de>
2942 * builtins.c (get_pointer_alignment): For component style references
2943 adjust alignment to the component type alignment. Make sure
2944 to adjust alignment for component access of constants.
2946 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2948 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2951 2006-03-17 Paul Brook <paul@codesourcery.com>
2953 * doc/install.texi: Docuemnt --with-mode.
2954 * config.gcc: Add --with-mode for arm*-*-*.
2955 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2957 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2959 * sh.c (max_labelno_before_reorg): New variable.
2960 (sh_reorg): Initialize it.
2961 (find_barrier): Check max_labelno_before_reorg before using
2962 label_to_alignment. Take length of explicit alignment insns
2963 into account. When seeing a UNSPECV_CONST_END, return it.
2965 * sh.c (fixup_mova): Set mode of affected label to QImode.
2966 (untangle_mova): New function.
2967 (find_barrier): Use it. Check mode of label before decrementing
2969 (sh_reorg): Likewise.
2970 Set mode of all insns back to VOIDmode.
2972 * sh.c (MOVA_LABELREF): New macro.
2973 (mova_p, fixup_mova, sh_reorg): Use it.
2974 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2975 ADDR_DIFF_VEC matches mova.
2977 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2979 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2980 with ATTRIBUTE_UNUSED.
2982 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2984 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2985 pointer, instead of assuming it is possible to derive the
2986 correct args size from a call insn.
2988 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2990 * rtl.h (CONST_INT_P): Define.
2991 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2992 instead of GET_CODE(x) == CONST_INT.
2993 (vax_rtx_costs): Likewise.
2994 (vax_output_int_move): Likewise.
2995 (vax_output_int_add): Likewise.
2996 (legitimate_constant_address_p): Likewise.
2997 (index_term_p): Likewise.
2998 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2999 * config/vax/vax.md (and<mode>3): Likewise.
3000 (ashrsi3): Likewise.
3002 (movstricthi): Likewise.
3003 (movstrictqi): Likewise.
3004 (rotrsi3): Likewise.
3005 (five unnamed insns): Likewise.
3007 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3009 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3010 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3011 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3012 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3013 Pass to ASM_OUTPUT_DWARF_OFFSET.
3014 * dwarf2out.c (debug_frame_section): New.
3015 (output_call_frame_info): Use debug_frame_section. Pass it to
3016 dw2_asm_output_offset.
3017 (output_die): Pass appropriate section to dw2_asm_output_offset.
3018 (output_compilation_unit_header): Likewise.
3019 (output_pubnames): Likewise.
3020 (output_aranges): Likewise.
3021 (enum dw_val_class): Break dw_val_class_lbl_offset into
3022 dw_val_class_lineptr and dw_val_class_macptr.
3023 (add_AT_lbl_offset): Delete.
3024 (add_AT_lineptr): New.
3025 (add_AT_macptr): New.
3026 (AT_lbl): Expect a lineptr or macptr.
3027 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3028 (attr_checksum): Likewise.
3029 (same_dw_val_p): Likewise.
3030 (size_of_die): Likewise.
3031 (value_format): Likewise.
3032 (output_die): Likewise.
3033 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3035 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3036 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3037 * config/darwin-protos.h (darwin_file_start): New.
3038 (darwin_asm_output_dwarf_offset): New.
3039 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3040 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3042 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3043 if not EH section; simplify.
3044 (darwin_file_start): New.
3045 (darwin_asm_output_dwarf_offset): New.
3046 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3048 (DEBUG_INFO_SECTION): Likewise.
3049 (DEBUG_ABBREV_SECTION): Likewise.
3050 (DEBUG_ARANGES_SECTION): Likewise.
3051 (DEBUG_MACINFO_SECTION): Likewise.
3052 (DEBUG_LINE_SECTION): Likewise.
3053 (DEBUG_LOC_SECTION): Likewise.
3054 (DEBUG_PUBNAMES_SECTION): Likewise.
3055 (DEBUG_STR_SECTION): Likewise.
3056 (DEBUG_RANGES_SECTION): Likewise.
3057 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3058 (ASM_OUTPUT_DWARF_OFFSET): New.
3060 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3062 * config.gcc (tm_defines): Always add to previous value rather
3065 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3067 * config/mips/predicates.md (splittable_const_int_operand): New,
3068 split from move_operand.
3069 (splittable_symbolic_operand): New.
3070 (move_operand): Add commentary. Use splittable_const_int_operand.
3071 Inline mips_atomic_symbolic_constant_p.
3072 * config/mips/mips.md: Add combine splitters for handling moves
3073 of splittable_const_int_operands and splittable_symbolic_operands.
3074 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3075 (mips_split_symbol): Declare.
3076 (mips_move_integer): Declare.
3077 * config/mips/mips.c (mips_split_p): Make global.
3078 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3079 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3080 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3081 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3082 (mips_offset_within_object_p): Handle block symbols.
3083 (mips_atomic_symbolic_constant_p): Delete.
3084 (mips_cannot_force_const_mem): Return false for constants that
3085 mips_legitimize_move can handle.
3086 (mips_use_blocks_for_constant_p): New function.
3087 (mips_split_symbol): Make global.
3088 (mips_move_integer): Likewise. Add a temporary register argument.
3089 (mips_legitimize_const_move): Use splittable_const_int_operand and
3090 splittable_symbolic_operand.
3091 (mips_use_anchors_for_symbol_p): New function.
3092 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3093 (mips_split_p): Declare.
3095 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3097 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3098 (mips*-*-linux*): Likewise.
3100 2006-03-16 Roger Sayle <roger@eyesopen.com>
3101 Daniel Speyer <dspeyer@wam.umd.edu>
3104 * tree-dump.c (dump_real): New function.
3105 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3106 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3107 (tree-dump.o): Add $(REAL_H) to the dependencies.
3109 2006-03-16 Roger Sayle <roger@eyesopen.com>
3112 * real.c (real_from_string): If the mantissa is zero, don't bother
3113 parsing the exponent as the result should always be zero.
3115 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3117 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3119 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3121 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3122 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3123 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3124 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3125 ia64_sched_finish_global): New static functions to implement
3126 hooks from gcc_target.sched.
3127 (spec_check_no, max_uid, pending_data_specs): New static variables.
3128 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3129 ia64_spec_check_src_p): New static functions.
3130 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3131 (TARGET_SCHED_ADJUST_COST): Removed.
3132 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3133 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3134 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3135 TARGET_SCHED_GEN_CHECK,
3136 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3137 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3138 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3139 Fixed to handle speculation checks.
3140 (rtx_needs_barrier): Fixed to handle speculative loads and
3142 (ia64_variable_issue): Added code to count speculative loads and their
3144 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3146 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3148 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3150 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3151 (ia64_reorg): Reset stops_p to NULL after it is freed.
3152 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3153 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3154 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3156 (data_speculative, control_speculative, check_load): New attributes.
3157 (mov<mode>_advanced, mov<mode>_speculative,
3158 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3159 zero_extend<mode>di2_speculative,
3160 zero_extend<mode>di2_speculative_advanced): New patterns for
3161 data and control speculative loads.
3162 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3164 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3165 New pattern for data and control speculation checks.
3166 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3167 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3168 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3169 Auxiliary definitions for the patterns.
3170 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3171 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3173 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3175 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3176 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3177 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3178 New resource constraints.
3179 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3181 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3182 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3183 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3184 msched-in-control-spec, msched-ldc, msched-control-ldc,
3185 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3186 msched-prefer-non-control-spec-insns,
3187 msched-count-spec-in-critical-path): New flags to tune speculative
3189 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3190 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3191 msched-in-control-spec, msched-ldc, msched-control-ldc,
3192 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3193 msched-prefer-non-control-spec-insns,
3194 msched-count-spec-in-critical-path): Document new flags.
3196 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3198 * target.h (struct spec_info_def): New opaque declaration.
3199 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3200 speculate_insn, needs_block_p, gen_check,
3201 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3202 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3203 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3204 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3205 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3206 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3208 (TARGET_SCHED): Use new macros.
3209 * rtl.h (copy_DEPS_LIST_list): New prototype.
3210 * sched-int.h (struct sched_info): Change signature of new_ready field,
3211 adjust all initializations. New fields: add_remove_insn,
3212 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3213 region_head_or_leaf_p.
3214 (struct spec_info_def): New structure declaration.
3215 (spec_info_t): New typedef.
3216 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3217 recovery_block, orig_pat.
3218 (glat_start, glat_end): New variables declaraions.
3219 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3221 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3222 DETACH_LIFE_INFO, USE_GLAT.
3223 (enum SPEC_SCHED_FLAGS): New enumeration.
3224 (NOTE_NOTE_BB_P): New macro.
3225 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3226 attach_life_info, debug_spec_status, check_reg_live): New functions.
3227 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3228 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3230 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3231 * ddg.c (get_block_head_tail): Adjust all uses.
3232 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3233 (sms_sched_info): Initialize new fields.
3234 (contributes_to_priority): Removed.
3235 * haifa-sched.c (params.h): New include.
3236 (get_block_head_tail): Adjust all uses.
3237 (ISSUE_POINTS): New macro.
3238 (glat_start, glat_end): New global variables.
3239 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3240 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3241 old_last_basic_block, before_recovery, current_sched_info_var,
3242 rgn_n_insns, luid): New static variables.
3243 (insn_cost1): New function. Move logic from insn_cost to here.
3244 (find_insn_reg_weight1): New function. Move logic from
3245 find_insn_reg_weight to here.
3246 (reemit_notes, move_insn, max_issue): Change signature.
3247 (move_insn1): Removed.
3248 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3249 extend_bb): New static functions to support extension of scheduler's
3251 (generate_recovery_code, process_insn_depend_be_in_spec,
3252 begin_speculative_block, add_to_speculative_block,
3253 init_before_recovery, create_recovery_block, create_check_block_twin,
3254 fix_recovery_deps): New static functions to support
3255 generation of recovery code.
3256 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3257 restore_bb_notes, move_block_after_check, move_succs): New static
3258 functions to support ebb scheduling.
3259 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3260 functions to support handling of register live information.
3261 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3262 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3263 add_jump_dependencies): New static functions.
3264 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3265 consistancy checking.
3266 (debug_spec_status): New function to call from debugger.
3267 (priority): Added code to handle speculation checks.
3268 (rank_for_schedule): Added code to distinguish speculative instructions.
3269 (schedule_insn): Added code to handle speculation checks.
3270 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3271 Fixed to handle ebbs.
3272 (move_insn): Added code to handle ebb scheduling.
3273 (max_issue): Added code to use ISSUE_POINTS of instructions.
3274 (choose_ready): Added code to choose between speculative and
3275 non-speculative instructions.
3276 (schedule_block): Added code to handle ebb scheduling and scheduling of
3277 speculative instructions.
3278 (sched_init): Initialize new variables.
3279 (sched_finish): Free new variables. Print statistics.
3280 (try_ready): Added code to handle speculative instructions.
3281 * lists.c (copy_DEPS_LIST_list): New function.
3282 * sched-deps.c (extend_dependency_caches): New function. Move logic
3283 from create_dependency_caches to here.
3284 (get_dep_weak, ds_merge): Make global.
3285 * genattr.c (main): Code to output prototype for
3286 dfa_clear_single_insn_cache.
3287 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3288 (output_dfa_clean_insn_cache_func): Code to output
3289 dfa_clear_single_insn_cache function.
3290 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3292 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3294 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3295 New static variables.
3296 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3297 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3299 (ebb_sched_info): Initialize new fields.
3300 (get_block_head_tail): Adjust all uses.
3301 (compute_jump_reg_dependencies): Fixed to use glat_start.
3302 (schedule_ebb): Code to remove unreachable last block.
3303 (schedule_ebbs): Added code to update register live information.
3304 * sched-rgn.c (region_sched_info): Initialize new fields.
3305 (get_block_head_tail): Adjust all uses.
3306 (last_was_jump): Removed. Adjust users.
3307 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3308 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3309 Implement new hooks.
3310 (check_dead_notes1): New static function.
3311 (struct region): New fields: dont_calc_deps, has_real_ebb.
3312 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3313 (BB_TO_BLOCK): Fixed to handle EBBs.
3314 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3315 (ebb_head): New static variable.
3316 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3317 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3319 (compute_dom_prob_ps): New assertion.
3320 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3321 global_live_at_start.
3322 (init_ready_list): New assertions.
3323 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3324 (new_ready): Add support for BEGIN_CONTROL speculation.
3325 (schedule_insns): Fixed code that updates register live information
3327 (schedule_region): Fixed to handle EBBs.
3328 (init_regions): Use extend_regions and check_dead_notes1.
3329 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3330 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3331 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3332 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3333 TARGET_SCHED_GEN_CHECK,
3334 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3335 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3336 * doc/invoke.texi (max-sched-insn-conflict-delay,
3337 sched-spec-prob-cutoff): Document.
3339 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3341 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3342 inter_tick, queue_index.
3343 (struct sched_info): Change signature of init_ready_list field.
3344 Adjust all initializations.
3345 (RESOLVED_DEPS): New access macro.
3346 (ready_add): Remove prototype.
3347 (try_ready): Add prototype.
3348 * sched-rgn.c (init_ready_list): Use try_ready.
3349 (schedule_region): Initialize
3350 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3351 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3352 (init_ready_list): Use try_ready.
3353 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3354 * lists.c (remove_list_elem): Remove `static'.
3355 (remove_free_INSN_LIST_elem): New function.
3356 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3357 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3358 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3360 (readyp): New variable.
3361 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3362 change_queue_index, resolve_dep): New static functions.
3363 (try_ready): New function. Adjust callers in sched-rgn.c and
3364 sched-ebb.c to use it instead of ready_add.
3365 (clock_var): Move at the begining of file.
3366 (rank_for_schedule): Fix typo.
3367 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3368 (ready_lastpos): Enforce assertion.
3369 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3371 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3372 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3373 (queue_to_ready): Use free_INSN_LIST_list.
3374 (early_queue_to_ready): Fix typo.
3375 (schedule_block): Init readyp. Move init_ready_list call after the
3376 initialization of clock_var. Fix error in rejecting insn by
3377 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3378 that previously corrected INSN_TICKs. Add code for handling
3380 (set_priorities): Fix typo.
3381 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3382 Clarify comment and code that keeps current_sched_info->next_tail
3385 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3387 * sched-rgn.c (extend_rgns): New static function.
3388 (find_rgns): Use it.
3389 (gather_region_statistics, print_region_statistics): New static
3391 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3392 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3394 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3395 Andrey Belevantsev <abel@ispras.ru>
3397 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3398 * lists.c (unused_deps_list): New variable.
3399 (free_list): Add assertions to verify the proper distinguishing
3400 between INSN_LISTs and DEPS_LISTs.
3401 (find_list_elem, remove_list_elem, remove_list_node): New static
3403 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3404 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3405 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3406 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3408 (free_INSN_LIST_node): Likewise.
3409 * modulo-sched.c (current_sched_info): Initialize flags field.
3410 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3411 * rtl.def (DEPS_LIST): Define.
3412 * rtl.h: Declare new functions from lists.c.
3413 * sched-deps.c (spec_dependency_cache): New static variable.
3414 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3415 (add_dependence): Change return type to void. Move the logic to ...
3416 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3417 (delete_all_dependences): Add comment about forward_dependency_cache.
3418 Handle spec_dependency_cache. Handle DEPS_LISTs.
3419 (fixup_sched_groups): Clarify the change of priority of output
3420 and anti dependencies.
3421 (sched_analyze_2): Adjust add_dependence calls to create data
3422 speculative dependence.
3423 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3424 Adjust all callers. Handle DEPS_LISTS.
3425 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3426 presence of speculation.
3427 (init_dependency_caches, free_dependency_caches):
3428 Handle spec_dependency_cache.
3429 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3430 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3431 New static functions.
3432 (add_or_update_back_dep, add_or_update_back_forw_dep,
3433 add_back_forw_dep, delete_back_forw_dep): New functions.
3434 * sched-int.h (ds_t, dw_t): New typedefs.
3435 (struct sched_info): Add new field flags.
3436 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3437 Prototype new sched-deps.c functions.
3438 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3439 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3440 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3441 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3442 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3443 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3445 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3447 * sched-rgn.c (current_sched_info): Initialize flags field.
3448 (schedule_insns): Initialize current_sched_info before the sched_init
3450 * sched-ebb.c (current_sched_info): Initialize flags field.
3451 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3452 Call add_or_update_back_dep instead of add_dependence.
3453 Create control speculative dependencies.
3454 (schedule_insns): Initialize current_sched_info before the sched_init
3457 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3459 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3461 (sh_fallback_frame_state): Likewise.
3463 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3465 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3466 Do switch on default_use_cxa_atexit.
3467 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3468 * config/darwin-crt3.o: New.
3469 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3470 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3471 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3473 * config/rs6000/t-darwin: Move crt2.o building to here.
3474 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3475 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3478 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3480 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3481 from '! xxx' to '!xxx' for coding-style conformance.
3482 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3483 (EXTRA_CONSTRAINT): Likewise.
3484 * config/vax/vax.md (four unnamed insns): Likewise.
3486 2006-03-15 Paul Brook <paul@codesourcery.com>
3488 * config/arm/arm.c (minipool_pad): New.
3489 (add_minipool_forward_ref): Include pool alignment padding in address
3491 (push_minipool_fix): Set minipool_pad.
3492 (minipool_pad): Ditto.
3494 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3496 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3497 instead of GET_CODE() == MEM and REG_P() instead of
3499 (print_operand_address): Likewise.
3500 (vax_address_cost): Likewise.
3501 (vax_rtx_costs): Likewise.
3502 (vax_notice_update_cc): Likewise.
3503 (vax_output_int_add): Likewise.
3504 (INDEX_REGISTER_P): Likewise.
3505 (BASE_REGISTER_P): Likewise.
3506 (nonindexed_address_p): Likewise.
3507 (vax_mode_dependent_address_p): Likewise.
3508 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3509 (PRINT_OPERAND): Likewise.
3510 * config/vax/vax.md (ashlsi3): Likewise.
3511 (ashlsi3): Likewise.
3512 (some more unnamed insns): Likewise.
3514 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3516 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3517 iterator-style macro.
3518 (mark_control_dependent_edges_necessary): Update the use of
3519 EXECUTE_IF_CONTROL_DEPENDENT.
3521 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3523 * config/sh/predicates.md (cache_address_operand): Special.
3524 (ua_address_operand): Likewise.
3526 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3528 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3530 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3532 2006-03-15 Andreas Schwab <schwab@suse.de>
3534 * gensupport.c (identify_predicable_attribute): Don't free p_false
3535 when it is still in use.
3537 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3539 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3540 the default setting here.
3542 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3544 * tree-pass.h (pass_cfg): Remove.
3545 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3546 * passes.c (pass_cfg): Don't run it.
3548 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3550 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3551 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3553 (stack_regs_mentioned): Update the uses of
3554 stack_regs_mentioned_data. Don't access the array beyond its
3556 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3557 Don't include gt-reg-stack.h.
3559 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3560 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3562 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3565 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3568 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3570 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3572 2006-03-14 Richard Guenther <rguenther@suse.de>
3574 PR tree-optimization/26672
3575 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3578 2006-03-14 Richard Guenther <rguenther@suse.de>
3580 PR tree-optimization/26667
3581 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3582 node for the callees. Always allow inlining if it will shrink
3585 2006-03-14 Richard Guenther <rguenther@suse.de>
3588 * builtins.c (get_pointer_alignment): Prefer alignment
3589 information from decls over that from types.
3591 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3594 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3596 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3598 * config/rs6000/rs6000.opt (mdlmzb): New option.
3599 (msched-prolog, msched-epilog): Use Var not Mask.
3600 * doc/invoke.texi (-mdlmzb): Document.
3601 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3603 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3604 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3606 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3608 PR rtl-optimization/25739
3609 * bt-load.c (augment_live_range): Free tos pointer.
3611 * gensupport.c (identify_predicable_attribute): Free
3613 * gcov.c (create_file_names): Free name pointer.
3615 2006-03-13 Roger Sayle <roger@eyesopen.com>
3618 * stmt.c (emit_case_nodes): Handle the case where the index is a
3619 CONST_INT, where the comparison mode is specified by the index type.
3621 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3623 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3626 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3628 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3629 (*branch_fp_inverted): Likewise.
3631 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3634 * omp-low.c (expand_omp_for_generic): Mark istart0
3635 and iend0 as addressable.
3637 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3639 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3641 2006-03-13 Jeff Law <law@redhat.com>
3643 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3644 virtual operands are interesting.
3645 (vrp_visit_stmt): Corresponding changes.
3647 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3649 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3651 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3652 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3653 * config/bfin/crti.S: Use it instead of __PIC__.
3654 * config/bfin/crtn.S: Likewise.
3656 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3657 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3659 Lose 'G' modifier for call operand.
3660 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3661 recognize 'G' modifier.
3663 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3666 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3667 * stmt.c (expand_case): Likewise.
3669 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3671 PR rtl-optimization/26254
3672 * loop-invariant.c (seq_insns_valid_p): New function.
3673 (move_invariant_reg): Only emit new code if it is valid.
3675 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3677 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3679 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3680 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3681 (commit_one_edge_insertion): Do not look for loop notes.
3683 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3685 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3686 flag_test_coverage out of loop.
3688 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3690 * final.c (shorten_branches): Remove outdated comment, and turn
3691 the if branch that guards it to continue.
3693 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3695 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3696 * cfgloop.h (struct loop): Remove unused fields.
3698 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3700 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3701 (-dL, -fdump-rtl-loop2): Update the dump file names
3703 * doc/invoke.texi: Update dump file names.
3705 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3707 * predict.c (estimate_probability): Remove.
3708 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3709 * basic-block.h (estimate_probability): Remove prototype.
3710 * passes.c (finish_optimization_passes): Dump branch prediction or
3711 profiling heuristics to the .profile tree dump.
3712 (init_optimization_passes): Unqueue pass_branch_prob.
3714 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3716 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3718 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3719 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3721 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3723 * function.h (frame_offset_overflow): Declare.
3724 * function.c (frame_offset_overflow): New function.
3725 (assign_stack_local_1): Call it to detect that the offset overflows.
3726 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3728 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3730 * config/sh/sh.c: Include alloc-pool.h.
3731 (label_ref_list_pool): New alloc pool.
3732 (label_ref_list_t): New type for lists of labels.
3733 (struct pool_node): Make wend a label_ref_list_t.
3734 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3736 (dump_table): Likewise.
3737 (sh_reorg): Set up the alloc pool before using add_constant and
3738 dump_table, and destroy it when finishing.
3740 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3742 * config/mips/mips.c: Remove redundant comment.
3744 2006-03-10 Jason Merrill <jason@redhat.com>
3747 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3748 the target was declared 'register'.
3750 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3752 * genpreds.c (write_insn_constraint_len): Change definition of
3753 insn_constraint_len to return size_t to match the declaration.
3755 2006-03-10 DJ Delorie <dj@redhat.com>
3757 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3759 (m32c_expand_insv): Fix test for an AND mask.
3761 2006-03-10 Richard Guenther <rguenther@suse.de>
3764 * builtins.c (get_pointer_alignment): Handle component
3765 references for field alignment.
3767 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3769 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3770 when building with libgloss.
3771 (sh*elf): Implement --without-fp option.
3772 (sh64-superh-linux*): Don't multilib.
3774 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3776 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3778 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3780 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3781 Set it when one of the replacement functions returned true.
3782 Return TODO_cleanup_cfg if cfgchanged is true.
3783 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3785 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3787 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3788 instead of gen_lowpart.
3790 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3792 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3794 (mips_output_order_conditional_branch): Declare.
3795 * config/mips/mips.h (MIPS_BRANCH): New macro.
3796 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3797 for the comparison. Use gen_condjump.
3798 (mips_output_conditional_branch): Rework interface to take the
3799 asm templates for a direct branch and the inverse of a direct branch.
3800 (mips_output_order_conditional_branch): New function.
3801 (mips_builtin_branch_and_move): New function.
3802 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3803 branch condition. Use gen_single_cc as the condition for
3804 __builtin_mips_upper_* or __builtin_mips_lower_*.
3805 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3806 Use VOIDmode for the branch condition.
3807 * config/mips/predicates.md (order_operator): New predicate.
3808 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3809 (branch_fp): Rename to...
3810 (*branch_fp): ...this. Remove mode from comparison operator.
3811 Use new mips_output_conditional_branch interface.
3812 (branch_fp_inverted): Rename to...
3813 (*branch_fp_inverted): ...this and update as for *branch_fp.
3814 (*branch_zero<mode>): Rename to...
3815 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3816 Use mips_output_order_conditional_branch. Only accept ordered
3818 (*branch_zero<mode>_inverted): Rename to...
3819 (*branch_order<mode>_inverted): ...this and update as for
3820 *branch_order<mode>.
3821 (*branch_equality<mode>): Accept zero as the second operand to
3822 the equality operator. Use the new mips_output_conditional_branch
3824 (*branch_equality<mode>_inverted): Likewise.
3825 (condjump): New expander.
3826 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3828 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3829 (bc1any2t, bc1any2f): Likewise.
3830 (single_cc): New expander.
3831 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3833 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3835 * doc/md.texi: Update documentation of MIPS constraints.
3836 * config/mips/constraints.md: New file.
3837 * config/mips/mips.md: Include it.
3838 * config/mips/mips.c (mips_char_to_class): Delete.
3839 (override_options): Don't initialize mips_char_to_class.
3840 * config/mips/mips.h (mips_char_to_class): Delete.
3841 (REG_CLASS_FROM_LETTER): Delete.
3842 (CONST_OK_FOR_LETTER_P): Delete.
3843 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3844 (EXTRA_CONSTRAINT_Y): Delete.
3845 (EXTRA_CONSTRAINT_STR): Delete.
3846 (CONSTRAINT_LEN): Delete.
3847 (EXTRA_MEMORY_CONSTRAINT): Delete.
3849 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3851 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3852 original fn's eh regions.
3854 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3856 * fold-const.c (build_range_check): Make sure to use a valid type to
3857 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3860 (range_predecessor): New static function.
3861 (range_successor): Likewise.
3862 (merge_ranges): Use them to compute predecessors and successors of
3865 2006-03-09 Roger Sayle <roger@eyesopen.com>
3868 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3869 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3871 2006-03-08 DJ Delorie <dj@redhat.com>
3873 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3874 (addpsi3): Expand to include memory operands. Remove
3875 reload-specific splits.
3876 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3877 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3878 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3879 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3880 (shift1_qi, shift1_hi, insv): New.
3881 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3882 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3883 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3885 * config/m32c/m32c-protos.h: Update as needed.
3886 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3887 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3888 Fail for unrecognized R* constraints.
3889 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3890 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3891 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3893 (m32c_init_libfuncs): New.
3894 (m32c_legitimate_address_p): Add debug wrapper.
3895 (m32c_rtx_costs): New.
3896 (m32c_address_cost): New.
3897 (conversions): Add 'B' prefix.
3898 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3899 operands, or word regnames for QI operands. 'B' prints bit
3901 (m32c_expand_setmemhi): New.
3902 (m32c_expand_movmemhi): New.
3903 (m32c_expand_movstr): New.
3904 (m32c_expand_cmpstr): New.
3905 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3906 (m32c_expand_neg_mulpsi3): Handle non-ints.
3907 (m32c_cmp_flg_0): New.
3908 (m32c_expand_movcc): New.
3909 (m32c_expand_insv): New.
3910 (m32c_scc_pattern): New.
3911 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3912 a0/a1 out of SIregs.
3913 (STORE_FLAG_VALUE): New.
3914 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3917 * config/m32c/mov.md: Make constraints more liberal.
3918 (zero_extendqihi2): Optimize r0/r1 case.
3919 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3920 * config/m32c/predicates.md (m32c_any_operand): New.
3921 (m32c_nonimmediate_operand): New.
3922 (m32c_hl_operand): New.
3923 (m32c_r3_operand): New.
3926 (memsym_operand): New.
3927 (memimmed_operand): New.
3928 (a_qi_operand): New.
3929 (m32c_eqne_operator): New.
3930 (m32c_1bit8_operand): New.
3931 (m32c_1bit16_operand): New.
3932 (m32c_1mask8_operand): New.
3933 (m32c_1mask16_operand): New.
3934 * config/m32c/blkmov.md: New file.
3935 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3937 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3939 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3940 unsigned to fix signed/unsigned comparison issue in
3941 DWARF2_FRAME_REG_OUT.
3942 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3943 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3945 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3946 of ptr into the ENABLE_CHECKING section.
3948 2006-03-08 Jeff Law <law@redhat.com>
3950 * tree-vrp.c (infer_value_range): Only count pointer uses
3951 and dereferences if -fdelete-null-pointer-checks is enabled.
3953 * tree-vrp.c (find_assert_locations): Infer value ranges for
3954 single use pointers, but do not create ASSERT_EXPRs for them.
3955 When a non-null range is inferred for a pointer, backwards
3956 propagate that range to other equivalent pointers through the
3959 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3962 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3963 language hook targets.
3964 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3965 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3966 if language hook targets were missing.
3968 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3970 * tree-ssa-opfinalize.h: Removed.
3971 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3973 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3974 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3975 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3976 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3977 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3978 finalize_ssa_v_must_def_ops): New.
3980 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3982 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3985 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3987 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3989 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3990 addresses with offsets; reorganize.
3992 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3993 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3994 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3996 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3999 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4001 2006-03-08 Ben Elliston <bje@au.ibm.com>
4003 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4005 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4008 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4011 2006-03-07 Richard Guenther <rguenther@suse.de>
4013 PR tree-optimization/26587
4014 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4016 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4018 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4020 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4022 * hooks.c (hook_bool_mode_rtx_true): New function.
4023 * hooks.h (hook_bool_mode_rtx_true): Declare.
4024 * toplev.c (compile_file): Call output_shared_constant_pool.
4025 * varasm.c (shared_constant_pool): New variable.
4026 (assemble_start_function, assemble_end_function): Remove arguments
4027 from call to output_constant_pool.
4028 (create_constant_pool): New function, split out from...
4029 (init_varasm_status): ...here.
4030 (force_const_mem): Choose between the shared and per-function constant
4031 pools. Set current_function_uses_const_pool when reusing old entries
4032 as well as when creating new ones.
4033 (mark_constant): Ignore data argument.
4034 (mark_constants): Remove pool argument.
4035 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4036 to decide whether the function uses a constant pool.
4037 (output_constant_pool_contents): New function, split out from...
4038 (output_constant_pool): ...here.
4039 (output_shared_constant_pool): New function.
4040 (init_varasm_once): Initialize shared_constant_pool.
4041 * output.h (output_constant_pool): Delete.
4042 (output_shared_constant_pool): Declare.
4043 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4044 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4046 2006-03-06 Nick Clifton <nickc@redhat.com>
4048 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4049 flag_strength_reduce.
4051 2006-03-06 Ben Elliston <bje@au.ibm.com>
4053 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4054 x86_64-*-linux* configurations.
4056 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4057 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4059 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4061 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4063 * basic-block.h: Remove the extern for
4064 rediscover_loops_after_threading.
4066 * cfgloop.c (cancel_loop): Make it static.
4067 * cfgloop.h: Remove the prototype for cancel_loop.
4069 * flow.c (recompute_reg_usage): Make it static.
4070 * rtl.h: Remove the prototype for recompute_reg_usage.
4072 * function.c (use_return_register): Make it static.
4073 * function.h: Remove the prototype.
4075 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4077 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4079 * recog.h: Remove the prototype for
4080 validate_change_maybe_volatile.
4082 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4084 * rtlanal.c (replace_reg): Remove.
4085 * rtl.h: Remove the prototype for replace_reg.
4087 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4089 * regclass.c (reg_scan_update): Remove.
4090 (reg_scan_mark_refs): Remove the last argument.
4091 * rtl.h: Remove the prototype for reg_scan_update.
4093 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4095 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4096 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4097 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4098 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4099 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4100 loop-invariant.c, omp-low.c, opts.c, passes.c,
4101 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4102 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4103 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4104 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4105 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4106 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4108 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4110 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4111 * dwarf2out.h: Remove the prototype for
4112 dwarf2out_add_library_unit_info.
4114 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4116 * tree.c (add_var_to_bind_expr): Remove.
4117 * tree.h: Remove the prototype for add_var_to_bind_expr.
4119 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4121 * regclass.c (n_non_fixed_regs): Remove.
4122 (init_reg_sets_1, globalize_reg): Remove all uses of
4124 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4126 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4128 * rtlanal.c (insns_safe_to_move_p): Remove.
4129 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4131 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4133 * expmed.c (expand_mult_add): Remove.
4134 * expr.h: Remove the prototype for expand_mult_add.
4136 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4138 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4139 and REG_SAVED_VAL_EXP constants.
4140 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4141 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4142 Handle regs stored by value.
4143 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4144 (execute_cfa_program): Handle DW_CFA_val_offset,
4145 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4146 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4147 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4148 (uw_install_context_1): Handle target regs stored by value.
4150 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4152 * tree-sra.c (tree_sra): Return todoflags;
4153 (generate_one_element): Set TODO_update_smt_usage if needed.
4154 (pass_sra): Remove TODO_update_smt_usage.
4155 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4157 (tree_ssa_forward_propagate_single_use_vars): Return
4158 TODO_update_smt_usage if we need to update SMT usage.
4159 (pass_forwprop): Remove TODO_update_smt_usage.
4161 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4163 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4164 (correct_use_link): Remove reference to get_stmt_operands.
4165 (update_stmt_operands): Likewise.
4166 (get_modify_expr_operands): New function factored out of
4167 parse_ssa_operands and get_expr_operands.
4168 Try to create V_MUST_DEFs for LHS by default.
4169 (get_expr_operands) <case MODIFY_EXPR>: Call
4170 get_modify_expr_operands.
4171 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4172 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4173 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4174 get_modify_expr_operands.
4176 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4178 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4179 * tree-flow.h: Remove the prototype for
4180 referenced_var_lookup_if_exists.
4182 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4184 PR rtl-optimization/26345
4186 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4188 2006-03-03 Roger Sayle <roger@eyesopen.com>
4190 PR tree-optimization/26524
4191 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4192 fold_convert to create a constant of the appropriate type.
4194 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4196 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4197 SYMBOL_REF_IN_BLOCK_P.
4198 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4199 of SYMBOL_FLAG_IN_BLOCK.
4200 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4201 instead of SYMBOL_REF_IN_BLOCK_P.
4202 * explow.c (use_anchored_address): Likewise.
4203 * rtl.c (rtx_size): Likewise.
4204 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4205 instead of SYMBOL_FLAG_IN_BLOCK.
4206 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4207 SYMBOL_REF_IN_BLOCK_P.
4208 (assemble_variable): Likewise.
4209 (output_constant_def_contents): Likewise.
4210 (output_constant_pool): Likewise.
4211 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4212 instead of SYMBOL_FLAG_IN_BLOCK.
4213 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4214 SYMBOL_REF_IN_BLOCK_P.
4215 (SYMBOL_REF_BLOCK): Likewise.
4216 (SYMBOL_REF_OFFSET): Likewise.
4217 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4218 SYMBOL_REF_IN_BLOCK_P.
4219 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4220 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4221 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4222 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4224 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4226 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4228 2006-03-02 Roger Sayle <roger@eyesopen.com>
4230 * simplify-rtx.c (simplify_unary_operation): When simplifying
4231 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4232 that we perform the right shift in the appropriate mode, and
4233 then extend or truncate the result to requested mode.
4235 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4237 * gengtype.c (main): Handle double_int type.
4238 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4239 * double-int.c: New file.
4240 * double-int.h: New file.
4241 * system.h: Include doubleint.h.
4242 * Makefile.in (SYSTEM_H): Include double-int.h.
4243 (double-int.o): Add.
4245 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4248 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4251 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4253 * tree-vrp.c (remove_range_assertions): Do not update statements
4256 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4258 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4260 * gcse.c (rest_of_handle_gcse): Ditto.
4261 * except.c (gate_handle_eh): Ditto.
4262 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4263 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4265 2006-03-02 Eric Christopher <echristo@apple.com>
4267 * config/i386/i386.c (machopic_output_stub): Add indirection to
4270 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4274 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4276 Sun Niagara specific optimizations.
4277 * config.gcc: Recognize niagara as target.
4278 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4279 (TARGET_CPU_niagara): Define.
4280 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4281 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4282 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4283 (ASM_CPU_SPEC): Likewise.
4284 (PROCESSOR_NIAGARA): New enum entry.
4285 (REGISTER_MOVE_COST): Handle Niagara.
4286 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4287 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4288 (sparc_override_options): Recognize "niagara", set appropriate
4289 default MASK_* values for it, and align functions to 32-bytes
4290 by default just like ULTRASPARC/ULTRASPARC3.
4291 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4292 (sparc64_initialize_trampoline): Likewise.
4293 (sparc_use_sched_lookahead): Use zero for niagara.
4294 (sparc_issue_rate): Use one for niagara.
4295 * config/sparc/niagara.md: New file.
4296 * config/sparc/sparc.md: Include it.
4297 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4298 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4299 when default cpu is niagara.
4300 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4301 (ASM_CPU_SPEC): Likewise.
4302 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4303 when default cpu is niagara.
4304 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4305 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4306 just like v9/ultrasparc/ultrasparc3.
4307 * doc/invoke.texi: Add documentation for "niagara" and improve
4308 existing documentation for ultrasparc variants.
4310 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4312 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4314 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4316 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4317 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4318 and say that only one is needed.
4319 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4320 * target.h (have_switchable_bss_sections): New hook.
4321 * explow.c (use_anchored_address): Check that the symbol is in a block.
4322 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4323 (bss_noswitch_section): New variables.
4324 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4325 (get_noswitch_section): New function.
4326 (get_block_for_section): Allow SECT to be null.
4327 (unlikely_text_section_p): Use SECTION_STYLE.
4328 (bss_initializer_p): New function.
4329 (get_variable_section): Move earlier in file. Take a new argument,
4330 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4331 Return one of the new *_sections in such cases.
4332 (get_block_for_decl): New function, extracting some logic from
4333 use_blocks_for_decl_p.
4334 (change_symbol_section): Remove in favor of...
4335 (change_symbol_block): ...this new function.
4336 (use_blocks_for_decl_p): Remove checks now performed by
4338 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4339 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4340 (emit_local, emit_bss, emit_common): ...these new functions.
4341 Return true if the alignment was honored.
4342 (emit_tls_common): New function.
4343 (asm_emit_uninitialised): Delete.
4344 (assemble_variable_noswitch): New function, split out from...
4345 (assemble_variable): ...here. Don't make decisions about common
4346 variables here. Globalize all public decls that go into non-common
4347 sections. Check whether SYMBOL_REF_BLOCK is null.
4348 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4349 (output_constant_pool): Likewise.
4350 (init_varasm_once): Initialize the new section variables.
4351 (have_global_bss_p): New function.
4352 (categorize_decl_for_section): Use bss_initializer_p.
4353 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4354 (place_block_symbol): Assert that the symbol must be in a block.
4355 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4356 (TARGET_INITIALIZER): Include it.
4357 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4358 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4359 (SECTION_MACH_DEP): Bump by two.
4360 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4361 (unnamed_section): Mention SECTION_UNNAMED in comment.
4362 (named_section): Likewise SECTION_NAMED.
4363 (noswitch_section_callback): New type.
4364 (noswitch_section): New structure.
4365 (section): Add a noswitch_section alternative.
4366 (SECTION_STYLE): New macro.
4367 (tls_comm_section, comm_section, lcomm_section): Declare.
4368 (bss_noswitch_section, have_global_bss_p): Declare.
4369 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4370 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4372 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4373 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4376 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4378 * gcc/tree-vrp.c (execute_vrp): Return value.
4379 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4380 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4381 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4382 (tree_lower_complex_O0): Ditto.
4383 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4384 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4385 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4386 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4387 (execute_tail_calls): Ditto.
4388 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4389 * gcc/tree.h (init_function_for_compilation): Ditto.
4390 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4391 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4392 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4393 * gcc/final.c (compute_alignments): Ditto.
4394 (rest_of_handle_final): Ditto.
4395 (rest_of_handle_shorten_branches): Ditto.
4396 (rest_of_clean_state): Ditto.
4397 * gcc/omp-low.c (execute_expand_omp): Ditto.
4398 (execute_lower_omp): Ditto.
4399 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4400 * gcc/ipa-reference.c (static_execute): Ditto.
4401 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4402 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4403 (rest_of_handle_machine_reorg): Ditto.
4404 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4405 * gcc/flow.c (recompute_reg_usage): Ditto.
4406 (rest_of_handle_remove_death_notes): Ditto.
4407 (rest_of_handle_life): Ditto.
4408 (rest_of_handle_flow2): Ditto.
4409 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4410 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4411 (do_ssa_store_ccp): Ditto.
4412 (execute_fold_all_builtins): Ditto.
4413 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4414 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4415 * gcc/ipa-pure-const.c (static_execute): Ditto.
4416 * gcc/cse.c (rest_of_handle_cse): Ditto.
4417 (rest_of_handle_cse2): Ditto.
4418 * gcc/web.c (rest_of_handle_web): Ditto.
4419 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4420 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4421 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4422 * gcc/tree-nrv.c (tree_nrv): Ditto.
4423 (execute_return_slot_opt): Ditto.
4424 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4425 (create_structure_vars): Ditto.
4426 * gcc/loop-init.c (rtl_loop_init): Ditto.
4427 (rtl_loop_done): Ditto.
4428 (rtl_move_loop_invariants): Ditto.
4429 (rtl_unswitch): Ditto.
4430 (rtl_unroll_and_peel_loops): Ditto.
4431 (rtl_doloop): Ditto.
4432 * gcc/gimple-low.c (lower_function_body): Ditto.
4433 (mark_used_blocks): Ditto.
4434 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4435 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4436 (cgraph_early_inlining): Ditto.
4437 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4438 * gcc/jump.c (cleanup_barriers): Ditto.
4439 (purge_line_number_notes): Ditto.
4440 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4441 (rest_of_handle_if_after_reload): Ditto.
4442 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4443 (tree_ssa_loop_im): Ditto.
4444 (tree_ssa_loop_unswitch): Ditto.
4445 (tree_vectorize): Ditto.
4446 (tree_linear_transform): Ditto.
4447 (tree_ssa_loop_ivcanon): Ditto.
4448 (tree_ssa_empty_loop): Ditto.
4449 (tree_ssa_loop_bounds): Ditto.
4450 (tree_complete_unroll): Ditto.
4451 (tree_ssa_loop_prefetch): Ditto.
4452 (tree_ssa_loop_ivopts): Ditto.
4453 (tree_ssa_loop_done): Ditto.
4454 * gcc/predict.c (tree_estimate_probability): Ditto.
4455 * gcc/recog.c (split_all_insns_noflow): Ditto.
4456 (rest_of_handle_peephole2): Ditto.
4457 (rest_of_handle_split_all_insns): Ditto.
4458 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4459 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4460 (rest_of_handle_stack_adjustments): Ditto.
4461 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4462 * gcc/function.c (instantiate_virtual_regs): Ditto.
4463 (init_function_for_compilation): Ditto.
4464 (rest_of_handle_check_leaf_regs): Ditto.
4465 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4466 (rest_of_handle_gcse): Ditto.
4467 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4468 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4469 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4470 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4471 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4472 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4473 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4474 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4475 * gcc/except.c (set_nothrow_function_flags): Ditto.
4476 (convert_to_eh_region_ranges): Ditto.
4477 (rest_of_handle_eh): Ditto.
4478 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4479 (remove_unnecessary_notes): Ditto.
4480 * gcc/except.h (set_nothrow_function_flags): Ditto.
4481 (convert_to_eh_region_ranges): Ditto.
4482 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4483 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4484 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4485 (execute_fre): Ditto.
4486 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4487 (rest_of_handle_jump2): Ditto.
4488 * gcc/tree-sra.c (tree_sra): Ditto.
4489 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4490 (execute_mudflap_function_decls): Ditto.
4491 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4492 (do_store_copy_prop): Ditto.
4493 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4494 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4495 * gcc/tree-ssa-forwprop.c
4496 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4497 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4498 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4499 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4500 (execute_late_warn_uninitialized): Ditto.
4501 * gcc/rtl.h (cleanup_barriers): Ditto.
4502 (split_all_insns_noflow): Ditto.
4503 (purge_line_number_notes): Ditto.
4504 (unshare_all_rtl): Ditto.
4505 (remove_unnecessary_notes): Ditto.
4506 (recompute_reg_usage): Ditto.
4507 (variable_tracking_main): Ditto.
4508 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4509 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4510 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4511 (execute_free_cfg_annotations): Ditto.
4512 (execute_fixup_cfg): Ditto.
4513 (execute_cleanup_cfg_pre_ipa): Ditto.
4514 (execute_cleanup_cfg_post_optimizing): Ditto.
4515 (execute_init_datastructures): Ditto.
4516 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4517 * gcc/combine.c (rest_of_handle_combine): Ditto.
4518 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4519 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4520 (rest_of_handle_reorder_blocks): Ditto.
4521 (rest_of_handle_partition_blocks): Ditto.
4522 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4523 * gcc/tree-profile.c (tree_profiling): Ditto.
4524 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4525 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4526 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4527 (rest_of_handle_sched2): Ditto.
4528 * gcc/basic-block.h (free_bb_insn): Ditto.
4529 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4530 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4531 (remove_useless_stmts): Ditto.
4532 (split_critical_edges): Ditto.
4533 (execute_warn_function_return): Ditto.
4534 (execute_warn_function_noreturn): Ditto.
4535 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4536 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4537 * gcc/passes.c (execute_one_pass): Run additional
4538 todos returned by execute function.
4539 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4542 2006-03-02 Richard Guenther <rguenther@suse.de>
4544 * tree-ssa-alias.c (find_used_portions): Consider taking
4545 the address as making the variable not write-only.
4547 2006-03-02 Nick Clifton <nickc@redhat.com>
4549 * config.gcc (default_use_cxa_atexit): Extend the description of
4550 this configure variable. Set its default value to "yes" for
4551 Linux, NetBSD and ELF targets on the assumption that they will
4552 use C libraries with the __cxa_atexit function.
4554 2006-03-02 Ben Elliston <bje@au.ibm.com>
4556 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4557 parameter as unused to suppress a build warning.
4559 2006-03-02 Ben Elliston <bje@au.ibm.com>
4561 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4564 2006-03-01 Roger Sayle <roger@eyesopen.com>
4567 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4568 declared name, the weak reference name, and the typeof name.
4569 (__gthrw): Avoid expanding the declared name suffix.
4570 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4572 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4574 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4576 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4577 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4578 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4579 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4580 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4581 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4582 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4583 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4584 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4585 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4586 (DW_END_default, DW_END_big, DW_END_little): New.
4587 (DW_END_lo_user, DW_END_hi_user): Define.
4588 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4589 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4590 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4593 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4595 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4597 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4599 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4601 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4603 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4604 to 'symbol_mem_tag'.
4606 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4609 2006-03-01 Roger Sayle <roger@eyesopen.com>
4611 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4613 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4616 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4617 MACHO_DYNAMIC_NO_PIC_P.
4618 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4620 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4623 * config/darwin-protos.h (darwin_asm_output_anchor):
4625 * config/darwin-sections.def (cstring_section):
4626 Add SECTION_MERGE to the flags.
4627 (literal4_section): Likewise.
4628 (literal8_section): Likewise.
4629 (objc_selector_refs_section): Likewise.
4630 (objc_cls_refs_section): Likewise.
4631 * config/darwin.c (darwin_asm_output_anchor): New
4633 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4635 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4637 Fix PR tree-optimization/26443
4638 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4639 to todo and PROP_tmt_usage to properties_destroyed.
4640 * tree-ssa-ccp.c (pass_ccp): Ditto.
4641 (pass_store_ccp): Ditto.
4642 * tree-ssa-dom.c (pass_dominator): Ditto.
4644 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4646 * tree-ssa-operands.c: Cleanup whitespace.
4647 (get_asm_expr_operands): Move before first invocation.
4648 (get_indirect_ref_operands): Likewise.
4649 (get_tmr_operands): Likewise.
4650 (get_call_expr_operands): Likewise.
4651 (append_def): Likewise.
4652 (append_use): Likewise.
4653 (append_v_may_def): Likewise.
4654 (append_v_must_def): Likewise.
4655 (add_call_clobber_ops): Likewise.
4656 (add_call_read_ops): Likewise.
4657 (add_stmt_operand): Likewise.
4658 (add_virtual_operand): Likewise.
4659 (build_ssa_operands): Likewise.
4661 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4666 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4667 with a call expr to ...
4668 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4670 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4672 * tree-vrp.c (extract_range_from_assert): Remove special
4673 handling for types with super-types.
4675 2006-03-01 Ben Elliston <bje@au.ibm.com>
4677 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4678 and powerpc64-*-linux* configurations.
4679 * config/t-dfprules: New file.
4681 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4682 Compile dfp-bit.c from the source directory using -DWIDTH and
4683 $DFP_CFLAGS to control the compilation of that file, rather than
4684 generating width-specific versions in the build directory.
4685 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4686 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4688 2006-02-28 Zack Weinberg <zackw@panix.com>
4690 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4693 2006-02-28 Eric Christopher <echristo@apple.com>
4695 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4696 Set up IN_LIBGCC definition of TARGET_64BIT.
4697 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4699 2006-02-28 Roger Sayle <roger@eyesopen.com>
4702 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4703 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4704 cases via the construction of "expr != 0".
4706 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4708 * alias.c (alias_invariant, alias_invariant_size): Remove.
4709 (record_base_value): Remove.
4710 (memrefs_conflict_p): Don't look at alias_invariant.
4711 (end_alias_analysis): Don't free it.
4712 * alias.h (record_base_value): Remove prototype.
4714 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4715 Adam Nemet <anemet@caviumnetworks.com>
4717 * rtl.h (truncated_to_mode): Declare it.
4718 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4719 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4720 (RTL_HOOKS_INITIALIZER): Include it.
4721 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4722 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4723 reg_truncated_to_mode.
4724 * rtlanal.c (truncated_to_mode): Define it.
4725 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4727 2006-02-28 Jeff Law <law@redhat.com>
4729 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4730 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4731 the range allowed by TYPE_PRECISION.
4733 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4735 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4737 PR tree-optimization/26419
4738 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4741 2006-02-27 Zack Weinberg <zackw@panix.com>
4743 * doc/md.texi: Fix typo in previous change.
4745 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4749 2006-02-27 Zack Weinberg <zackw@panix.com>
4751 * rtl.def (define_constraint, define_register_constraint)
4752 (define_memory_constraint, define_address_constraint): New MD forms.
4753 * gensupport.c (process_rtx): Put define_constraint etc on the
4755 * genpreds.c (process_define_predicate): Adjust comment. Validate
4756 the name, and call validate_exp to validate the expression.
4757 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4758 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4759 all callers changed.
4760 (validate_exp, needs_variable, struct constraint_data)
4761 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4762 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4763 (const_dbl_constraints, constraint_max_namelen)
4764 (have_register_constraints, have_memory_constraints)
4765 (have_address_constraints, have_address_constraints)
4766 (have_extra_constraints, have_const_int_constraints)
4767 (have_const_dbl_constraints, mangle, add_constraint)
4768 (process_define_constraint, process_define_register_constraint)
4769 (write_enum_constraint_num, write_lookup_constraint)
4770 (write_insn_constraint_len, write_regclass_for_constraint)
4771 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4772 (write_insn_extra_memory_constraint)
4773 (write_insn_extra_address_constraint)
4774 (write_satisfies_constraint_fns): New.
4775 (write_tm_preds_h): If we have new-style constraint definitions,
4776 prototype the functions generated from them, and define the
4777 old constraint interface (still used by generic code) in terms of
4779 (write_insn_preds_c): If we have new-style constraint definitions,
4780 generate all relevant functions from those definitions.
4781 (main): Handle define_constraint etc.
4782 * genoutput.c (struct constraint_data, indep_constraints)
4783 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4784 (mdep_constraint_len): New data structures and functions, defined
4785 #ifdef USE_MD_CONSTRAINTS.
4786 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4787 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4788 use new logic to validate operand constraints against constraint
4790 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4792 * defaults.h: If none of the old-style constraint macros are
4793 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4794 old-style macros; and poison REG_CLASS_FROM_LETTER,
4795 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4797 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4798 * doc/md.texi: Document new constraint-definition mechanism and the
4799 C interface it provides. Remove references to old mechanism
4800 elsewhere in the document.
4801 (Machine Constraints): Use pathnames relative to gcc directory,
4802 i.e. config/ARCH/FILE. Change i386 section to refer to
4803 config/i386/predicates.md; update that section to match docstrings.
4804 * doc/tm.texi: Move all documentation of the old constraint-
4805 definition macros to their own section, clearly mark as obsolete.
4807 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4808 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4810 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4811 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4812 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4814 (splits and peepholes): Use satisfies_constraint_*.
4815 * config/i386/i386.c (memory_address_length)
4816 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4818 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4820 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4821 scalar operation to be put back into the loop.
4823 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4826 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4827 (extract_cie_info): Handle S flag in augmentation string.
4828 (execute_cfa_program): If context->signal_frame, execute also
4829 fs->pc == context->ra instructions.
4830 (uw_frame_state_for): If context->signal_frame, don't subtract one
4831 from context->ra to find FDE.
4832 (uw_update_context_1): Set context->signal_frame to
4834 (_Unwind_GetIPInfo): New function.
4835 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4836 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4838 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4839 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4840 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4841 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4842 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4843 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4844 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4845 x86_64_fallback_frame_state): Set fs->signal_frame.
4846 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4847 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4848 (frob_update_context): Likewise. Workaround missing S flag in
4849 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4850 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4851 Remove the psw_addr + 1 hack.
4853 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4855 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4856 with aggregates here.
4857 (find_func_aliases): Remove code for &<aggregate> from here.
4859 2006-02-26 Roger Sayle <roger@eyesopen.com>
4861 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4862 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4863 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4866 2006-02-26 Roger Sayle <roger@eyesopen.com>
4869 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4871 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4873 * opts.c (decode_options): Do not handle flag_strength_reduce.
4874 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4875 and OPT_fstrength_reduce.
4876 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4877 flag_prefetch_loop_arrays for being nonzero.
4878 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4880 (fprefetch-loop-arrays-rtl): Removed.
4881 (flag_prefetch_loop_arrays): Do not specify the value.
4883 * doc/passes.texi: Update documentation of loop optimizer
4885 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4886 -frerun-loop-opt): Remove.
4888 2006-02-26 Richard Guenther <rguenther@suse.de>
4890 PR tree-optimization/26421
4891 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4892 in function calls that are ADDR_EXPRs as using the whole structure.
4894 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4896 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4897 * tree-pass.h (pass_loop_optimize): Remove.
4898 * passes.c (pass_loop_optimize): Never run it.
4899 * toplev.c (backend_init): Don't call init_loop.
4900 * opts.c (flag_loop_optimize_set): Remove.
4901 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4902 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4903 the old RTL loop optimizer when profiling enabled.
4904 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4905 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4906 pre-headers for the sake of the old RTL loop optimizer.
4907 * Makefile.in: Remove all references to loop.o.
4909 * doc/invoke.texi: Remove all references to -floop-optimize
4910 and -frerun-loop-opt.
4912 2006-02-26 Zack Weinberg <zackw@panix.com>
4914 * doc/md.texi (Machine Constraints): Refer to all files with paths
4915 relative to gcc directory (i.e. config/CPU/file). Add missing
4916 @table @code ... @end table to M32C subsection.
4918 2006-02-26 Roger Sayle <roger@eyesopen.com>
4920 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4922 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4924 2006-02-26 Roger Sayle <roger@eyesopen.com>
4925 James A. Morrison <phython@gcc.gnu.org>
4928 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4929 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4930 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4931 signedness of the shift operation.
4933 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4935 PR tree-optimization/26359
4936 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4938 2006-02-25 Roger Sayle <roger@eyesopen.com>
4940 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4941 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4942 as X == 0, and some symmetry related transformations.
4943 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4945 2006-02-25 Roger Sayle <roger@eyesopen.com>
4948 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4949 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4950 symmetry related transformations. Fold (X^C1) == C2 as
4953 2006-02-25 Juergen Weigert <jw@suse.de>
4954 Richard Guenther <rguenther@suse.de>
4956 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4958 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4960 * combine.c (gen_lowpart_or_truncate): Call
4961 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4963 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4965 * doc/invoke.texi: Move -fopenmp description to "Options for
4967 Remove reference to -lgomp.
4969 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4971 * doc/install.texi: Require GNU tar version 1.14.
4973 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4975 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4976 * doc/invoke.texi (C++ Dialect Options): Document
4977 -fno-use-cxa-get-exception-ptr.
4978 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4979 * configure: Regenerate.
4980 * c.opt (fuse-cxa-get-exception-ptr): New.
4981 * c-opts.c (c_common_handle_option): Handle
4982 OPT_fuse_cxa_get_exception_ptr.
4983 * c-common.c (flag_use_cxa_atexit): Update documentation.
4984 (flag_use_cxa_get_exception_ptr): New.
4985 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4986 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4988 (C_COMMON_OVERRIDE_OPTIONS): New.
4990 2006-02-24 Roger Sayle <roger@eyesopen.com>
4993 * combine.c (try_combine): Explicitly check whether GET_CODE is
4994 a SET or a CLOBBER, instead on checking that it isn't a USE.
4996 2006-02-24 Roger Sayle <roger@eyesopen.com>
4998 * fold-const.c (fold_comparison): New subroutine of fold_binary
4999 containing transformations common to both the equality and
5000 ordering relational operators, factored out of fold_binary.
5001 (fold_binary): Separate out the equality operators (EQ_EXPR
5002 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5003 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5004 transformations common to both.
5005 (fold_div_compare): Fix latent bugs in the previously unreachable
5006 LT_EXPR and GE_EXPR cases.
5008 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5010 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5011 decl libname for clog to __clog on AIX.
5013 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5015 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5018 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5019 output traceback table for thunks. Localise rs6000_stack_info call.
5021 2006-02-23 Roger Sayle <roger@eyesopen.com>
5022 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5024 * gthr-posix.h (__gthrw): Fix typo in comment.
5026 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5028 * doc/cpp.texi (Character sets): Document that we do support
5029 input files to be in any character set.
5031 2006-02-23 Jeff Law <law@redhat.com>
5033 * tree.h (PHI_ARG_NONZERO): Remove.
5034 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5035 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5036 node to the new node.
5038 PR tree-optimization/26425
5039 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5040 min/max, then assume its varying.
5042 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5044 PR rtl-optimization/26316
5045 * rtlanal.c (enum may_trap_p_flags): New.
5046 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5047 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5048 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5049 (may_trap_after_code_motion_p): New function.
5050 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5051 (find_invariant_insn): Use may_trap_after_code_motion_p.
5052 * rtl.h (may_trap_after_code_motion_p): Declare.
5054 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5056 * emit-rtl.c (immed_double_const): Cleanup.
5058 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5060 Fix PR tree-optimization/26376
5061 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5064 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5067 * gimplify.c (omp_add_variable): Guard variable size decl test with
5068 DECL_SIZE (decl) check.
5070 2006-02-23 Richard Guenther <rguenther@suse.de>
5073 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5074 like aggregate types.
5076 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5078 * configure.ac: Add --with{,out}-long-double-128 configure option.
5079 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5080 * configure: Rebuilt.
5081 * config.in: Rebuilt.
5082 * doc/install.texi (Options specification): Document
5083 --with-long-double-128.
5085 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5086 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5087 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5088 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5090 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5092 * config/s390/s390.c (override_options): Handle
5093 TARGET_DEFAULT_LONG_DOUBLE_128.
5095 * config/alpha/alpha.c (override_options): Handle
5096 TARGET_DEFAULT_LONG_DOUBLE_128.
5098 * config/sparc/sparc.c (sparc_override_options): Handle
5099 TARGET_DEFAULT_LONG_DOUBLE_128.
5101 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5103 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5104 (real-install-headers-tar, real-install-headers-cpio)
5105 (real-install-headers-cp): New targets.
5107 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5109 * tree.h (variable_section): Delete.
5110 * varasm.c (variable_section): Delete.
5112 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5114 * install.texi: Add notes on install.texi2html.
5115 (Building in parallel): Do not use footnotes.
5117 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5120 * doc/install.texi (Configuration): Document --disable-libgomp.
5122 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5124 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5126 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5128 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5129 (vec_extractv2df_0_sse): New.
5131 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5133 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5134 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5135 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5136 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5137 to the result of the expression.
5138 (def_cfa_1): Adjust.
5139 (frame_pointer_cfa_offset): Rename to...
5140 (frame_pointer_fb_offset): ... this. Adjust all uses.
5141 (convert_cfa_to_loc_list): Rename to...
5142 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5143 Pass it on to build_cfa_loc.
5144 (compute_frame_pointer_to_cfa_displacement): Rename to...
5145 (compute_frame_pointer_to_fb_displacement): ... this. New
5146 offset parameter. Use it in computation.
5147 (gen_subprogram_die): Compute cfa_fb_offset with the new
5148 macro, and use it to compute the fb loc list and the
5151 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5153 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5154 replaced with register_operand.
5155 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5156 non-DREG is expensive.
5157 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5158 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5161 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5163 * doc/install.texi2html: Use set -e.
5165 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5167 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5168 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5169 * doc/invoke.texi (-fshared-data): Delete.
5170 * common.opt (fshared-data): Delete.
5171 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5172 (assemble_static_space): Remove #if 0 code.
5173 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5174 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5175 * config/cris/cris.h: Remove FIXME.
5177 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5179 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5182 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5185 * combine.c (simplify_shift_const_1): Disable nested shifts
5186 optimization for vector shifts.
5188 2006-02-20 Roger Sayle <roger@eyesopen.com>
5190 PR tree-optimization/26361
5191 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5192 of unsigned integer types.
5194 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5196 * tree-chrec.c (eq_evolutions_p): New.
5197 * tree-chrec.h (eq_evolutions_p): Declared.
5198 * tree-data-ref.c: Fix formatting.
5199 (datadep_stats, dependence_stats): New.
5201 (print_direction_vector): New.
5202 (dump_data_dependence_relation): Use print_direction_vector.
5203 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5204 (compute_subscript_distance): Static.
5205 (initialize_data_dependence_relation): Static. Get the number
5206 of loops surrounding the references from the callers, and initialize
5207 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5208 base_object_differ_p analyzers.
5209 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5210 compute_overlap_steps_for_affine_1_2,
5211 analyze_subscript_affine_affine): Count the classified dependences.
5212 Print a message when a test failed.
5213 (can_use_analyze_subscript_affine_affine): New.
5214 (analyze_siv_subscript): Compute the data dependences on symbolic
5215 scevs that verify can_use_analyze_subscript_affine_affine.
5216 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5217 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5218 Handle symbolic scevs.
5219 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5221 (subscript_dependence_tester): Moved...
5222 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5223 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5224 DDR_SIZE_VECT instead of getting it in parameter.
5225 (subscript_dependence_tester): ... here. Take as a parameter
5226 loop_nest_depth. Call build_classic_dist_vector and
5227 build_classic_dir_vector.
5228 (compute_affine_dependence): Update subscript_dependence_tester
5229 parameters. Update datadep_stats counters. Call
5230 compute_subscript_distance.
5231 (compute_self_dependence): Save the dist and dir vectors. Call
5232 compute_subscript_distance.
5233 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5234 (compute_all_dependences): Reorder parameters as they were before
5235 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5236 compute_subscript_distance. Update the use of
5237 compute_affine_dependence and initialize_data_dependence_relation.
5238 (find_data_references_in_loop): Handle COMPONENT_REF.
5239 (compute_data_dependences_for_loop): Initialize dependence_stats.
5240 Don't call build_classic_dist_vector and build_classic_dir_vector.
5241 Update the parameters of initialize_data_dependence_relation and
5242 compute_all_dependences. Print the statistics from datadep_stats.
5243 (analyze_all_data_dependences): Static. Not used until the pass for
5244 checking the data dependences is contributed.
5245 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5246 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5247 (initialize_data_dependence_relation, compute_affine_dependence,
5248 analyze_all_data_dependences, compute_subscript_distance): Removed.
5249 (print_direction_vector): New.
5250 * lambda.h (gcd): ... here.
5251 (lambda_vector_gcd): Moved here from gcd_vector.
5252 * lambda-code.c (gcd, gcd_vector): Removed.
5253 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5254 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5256 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5258 * ipa-type-escape.c: Tidy some comments and white space.
5259 * tree-ssa-operands.c: Likewise.
5261 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5264 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5265 (dump_decl_name): Do not walk the decl tree chains.
5266 * tree-pass.h (TDF_CHAIN): Remove.
5268 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5270 * Makefile.in (C): Remove
5272 (.PHONY): Remove C and PROTO
5274 2006-02-20 Roger Sayle <roger@eyesopen.com>
5277 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5278 deprecated CHAR_TYPE tree code.
5280 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5282 * configure.ac (target_list): Add install-info, dvi, html.
5283 * configure: Regenerate.
5285 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5286 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5287 treelang/Make-lang.in: Do not use double-colon rules.
5289 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5291 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5292 (TMT_USED_ALONE): New macro.
5293 * tree-pass.h (PROP_tmt_usage): New property.
5294 (TODO_update_tmt_usage): New todo.
5295 * tree-ssa-alias.c (updating_used_alone): New variable.
5296 (recalculate_used_alone): New function.
5297 (compute_may_aliases): Set updating_used_alone, call
5298 recalculate_used_alone.
5299 * tree-sra.c (pass_sra): Note that this pass destroys
5300 PROP_tmt_usage, and add TODO_update_tmt_usage.
5301 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5302 * tree-flow.h (updating_used_alone): Prototype.
5303 (recalculate_used_alone): Ditto.
5304 * passes.c (execute_todo): Add code to set updating_used_alone,
5305 and call recalculate.
5306 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5307 for clobber if used alone, and add assert to verify used_alone
5310 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5312 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5313 for non tls symbols added.
5314 (legitimize_address): Do nothing for PLUS expressions if one of the
5315 addends is a tls symbol reference.
5317 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5321 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5323 * Makefile.in (BOOTSTRAPPING): New.
5324 (quickstrap): New definition if BOOTSTRAPPING=yes.
5326 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5327 * configure.ac: Substitute all_selected_languages with the languages
5328 that were configured. For all the other variables except
5329 lang_specs_files, include all the languages in the tree.
5330 * configure: Regenerate.
5332 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5333 if there is one. Run the commands to run fixincludes in the same
5336 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5337 * doc/install.texi: Document exact conventions for searching target tools.
5338 Document --with-build-time-tools. Document toplevel bootstrap. Document
5339 something more about building an Ada cross-compiler. Don't list GNU Make
5340 requirements which affect all platforms.
5342 2006-02-19 Roger Sayle <roger@eyesopen.com>
5345 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5346 only equivalent if the have both the same mode and precision.
5348 2006-02-20 Ben Elliston <bje@au.ibm.com>
5350 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5352 2006-02-19 Roger Sayle <roger@eyesopen.com>
5353 Steven Bosscher <stevenb.gcc@gmail.com>
5355 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5356 constant pool references to identify stack mode constants.
5357 * rtlanal.c (constant_pool_constant_p): New predicate to check
5358 whether operand is a floating point constant in the pool.
5359 * rtl.h (constant_pool_constant_p): Prototype here.
5360 * loop.c (scan_loop): Avoid hoisting constants from the constant
5361 pool on STACK_REGS targets.
5362 (load_mems): Likewise.
5363 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5364 loads into x87 registers expensive in terms of register pressure.
5366 2006-02-19 Roger Sayle <roger@eyesopen.com>
5368 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5369 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5371 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5373 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5374 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5376 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5378 * doc/invoke.texi: Document -fipa-pta.
5379 * common.opt: Add ipa-pta option.
5380 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5381 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5382 (do_ds_constraint): Ditto.
5383 (get_constraint_for): Only add to referenced_vars if
5384 referenced_vars exists.
5385 (insert_into_field_list): Rewrite to do this unsorted.
5386 (insert_into_field_list_sorted): Rename old insert_into_field_list
5388 (create_function_info_for): Use insert_into_field_list_sorted.
5389 (create_variable_info_for): Rewrite so it uses unsorted version,
5390 since the field list is sorted.
5391 (intra_create_variable_infos): Only add to referenced_vars if
5392 referenced_vars exists.
5393 (ipa_pta_execute): Init heapvars, and delete when done.
5394 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5396 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5398 * doc/install.texi: Add missing `@samp'.
5400 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5402 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5405 2006-02-18 Mark Wielaard <mark@klomp.org>
5407 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5408 who added new 4.1 features, bug fixes and integration support.
5410 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5413 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5416 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5418 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5419 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5420 (copy_insn_1): Likewise. Don't copy each field individually.
5422 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5424 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5425 * rtl.c (rtx_size): Rename variable to...
5426 (rtx_code_size): ...this.
5427 (rtx_size): New function.
5428 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5429 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5431 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5432 * rtl.h (rtx_code_size): New variable.
5433 (rtx_size): Change from a variable to a function.
5434 (RTX_SIZE): Rename to...
5435 (RTX_CODE_SIZE): ...this.
5438 PR tree-optimization/17106
5439 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5440 (Anchored Addresses): New section.
5441 * doc/invoke.texi (-fsection-anchors): Document.
5442 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5443 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5444 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5445 * hooks.c (hook_bool_mode_rtx_false): New function.
5446 * hooks.h (hook_bool_mode_rtx_false): Declare.
5447 * gengtype.c (create_optional_field): New function.
5448 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5449 SYMBOL_REF_IN_BLOCK_P is true.
5450 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5451 (min_anchor_offset, max_anchor_offset): Likewise.
5452 (use_anchors_for_symbol_p): New hook.
5453 * toplev.c (compile_file): Call output_object_blocks.
5454 (target_supports_section_anchors_p): New function.
5455 (process_options): Check that -fsection-anchors is only used on
5456 targets that support it and when -funit-at-a-time is in effect.
5457 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5458 if the decl doesn't have one.
5459 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5460 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5461 of force_const_mem through use_anchored_address.
5462 (expand_expr_constant): New function.
5463 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5464 calling expand_expr for INDIRECT_REF.
5465 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5466 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5467 * expr.h (use_anchored_address): Declare.
5468 * loop-unroll.c: Don't declare rtx vectors here.
5469 * explow.c: Include output.h.
5470 (validize_mem): Call use_anchored_address.
5471 (use_anchored_address): New function.
5472 * common.opt (-fsection-anchors): New switch.
5473 * varasm.c (object_block_htab, anchor_labelno): New variables.
5474 (hash_section, object_block_entry_eq, object_block_entry_hash)
5475 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5476 (use_blocks_for_decl_p, change_symbol_section): New functions.
5477 (get_variable_section): New function, split out from assemble_variable.
5478 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5479 use_blocks_for_decl_p say so. Use change_symbol_section if the
5480 symbol has already been created.
5481 (assemble_variable_contents): New function, split out from...
5482 (assemble_variable): ...here. Don't output any code for
5483 block symbols; just pass them to place_block_symbol.
5484 Use get_variable_section and assemble_variable_contents.
5485 (get_constant_alignment, get_constant_section, get_constant_size): New
5486 functions, split from output_constant_def_contents.
5487 (build_constant_desc): Create a block symbol if use_object_blocks_p
5488 says so. Or into SYMBOL_REF_FLAGS.
5489 (assemble_constant_contents): New function, split from...
5490 (output_constant_def_contents): ...here. Don't output any code
5491 for block symbols; just pass them to place_section_symbol.
5492 Use get_constant_section and get_constant_alignment.
5493 (force_const_mem): Create a block symbol if use_object_blocks_p and
5494 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5495 (output_constant_pool_1): Add an explicit alignment argument.
5496 Don't switch sections here.
5497 (output_constant_pool): Adjust call to output_constant_pool_1.
5498 Switch sections here instead. Don't output anything for block symbols;
5499 just pass them to place_block_symbol.
5500 (init_varasm_once): Initialize object_block_htab.
5501 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5502 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5503 (place_block_symbol, get_section_anchor, output_object_block)
5504 (output_object_block_htab, output_object_blocks): New functions.
5505 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5506 (TARGET_ASM_OUT): Include it.
5507 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5508 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5509 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5510 (TARGET_INITIALIZER): Include them.
5511 * rtl.c (rtl_check_failed_block_symbol): New function.
5512 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5513 (block_symbol, object_block): New structures.
5514 (rtx_def): Add a block_symbol field to the union.
5515 (BLOCK_SYMBOL_CHECK): New macro.
5516 (rtl_check_failed_block_symbol): Declare.
5517 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5518 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5519 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5520 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5521 * output.h (output_section_symbols): Declare.
5522 (object_block): Name structure.
5523 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5524 (default_use_anchors_for_symbol_p): Declare.
5525 * Makefile.in (RTL_BASE_H): Add vec.h.
5526 (explow.o): Depend on output.h.
5527 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5528 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5529 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5530 (rs6000_use_blocks_for_constant_p): New function.
5532 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5534 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5536 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5539 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5542 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5544 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5548 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5551 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5552 instead of DECL_REGISTER.
5554 2006-02-18 Olivier Hainque <hainque@adacore.com>
5557 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5559 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5562 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5563 * opth-gen.awk: Handle Var and InverseMask together.
5564 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5565 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5566 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5567 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5569 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5570 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5571 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5572 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5573 LINUX_DYNAMIC_LINKER): Define.
5574 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5575 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5577 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5578 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5579 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5580 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5581 (TARGET_C99_FUNCTIONS): Don't define.
5582 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5583 GLIBC_DYNAMIC_LINKER.
5584 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5585 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5586 GLIBC_DYNAMIC_LINKER64): Define.
5587 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5588 LINUX_DYNAMIC_LINKER64.
5589 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5590 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5591 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5592 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5593 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5594 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5595 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5596 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5597 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5598 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5599 and LINUX_DYNAMIC_LINKER32.
5600 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5601 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5602 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5604 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5606 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5607 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5608 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5609 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5610 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5611 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5612 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5613 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5614 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5615 LINUX_DYNAMIC_LINKER): Define.
5616 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5617 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5618 GLIBC_DYNAMIC_LINKER64): Define.
5619 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5620 LINUX_DYNAMIC_LINKER64.
5621 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5622 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5623 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5624 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5625 LINUX_DYNAMIC_LINKER): Define.
5626 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5627 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5628 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5629 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5630 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5631 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5632 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5633 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5634 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5635 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5636 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5637 * doc/invoke.texi (-muclibc): Remove caveat about supported
5640 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5642 * doc/cpp.texi (__TIMESTAMP__): Document.
5644 2006-02-17 Roger Sayle <roger@eyesopen.com>
5647 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5648 C is one less than the width of X (and related transformations).
5649 * simplify-rtx.c (simplify_unary_operation_1): Transform
5650 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5651 depending on STORE_FLAG_VALUE, were C is one less then the
5654 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5656 Fix PR tree-optimization/26341
5657 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5658 about NAME_MEMORY_TAG's.
5660 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5663 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5664 with hardware float support, and software float support. Add fcpy
5665 alternative to hardware patterns. Add alternatives to copy between
5666 general and floating-point registers to the 32-bit pattern.
5667 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5668 secondary reload to load a QI or HI mode constant into a floating
5670 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5671 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5673 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5676 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5678 (load_macho_picbase_di): Likewise.
5680 2006-02-16 Jeff Law <law@redhat.com>
5682 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5683 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5684 (ssa_name_nonzero_p): Likewise.
5685 (get_value_range): Return NULL if VRP is not running.
5686 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5687 VRP routines do not discover a range.
5688 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5689 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5690 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5691 (tree_expr_nonnegative_p): Similarly.
5692 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5693 (restore_nonzero_vars_to_original_value): Remove.
5694 (unsafe_associative_fp_binop): Remove.
5695 (tree_ssa_dominator_optimize): Remove initialization and
5696 finalization of nonzero_vars and nonzero_vars_stack.
5697 (dom_opt_initialize_block): No longer push marker on
5699 (dom_opt_finalize_block): No longer call
5700 restore_nonzero_vars_to_original_value.
5701 (record_equivalences_from_phis): No longer look for
5702 nonzero PHI arguments.
5703 (cprop_into_successor_phis): No longer propagate nonzero
5704 property into PHI arguments. Lose unused argument. Caller
5706 (record_equivalences_from_stmt): No longer record nonzero
5707 values for SSA_NAMEs.
5708 (lookup_avail_expr): No longer use nonzero_vars.
5710 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5711 for sizetype when sizetype is unsigned.
5713 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5715 PR rtl-optimization/25603
5716 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5717 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5718 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5719 with new meaning of SETS.
5721 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5726 * config/linux.opt: New file.
5727 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5728 LINUX_DYNAMIC_LINKER): Define.
5729 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5730 * config.gcc (*-*-linux*): Define extra_options.
5731 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5732 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5733 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5734 GLIBC_DYNAMIC_LINKER.
5735 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5736 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5737 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5738 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5739 * doc/invoke.texi (GNU/Linux Options): New section.
5741 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5743 * config/sparc/sparc.md (setjmp): Rewrite.
5744 (setjmp_32): Delete.
5745 (setjmp_64): Likewise.
5747 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5749 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5752 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5754 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5757 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5759 PR rtl-optimization/26296
5760 * Makefile.in (loop-invariant.c): Add except.h dependency.
5761 * loop-invariant.c: Include except.h.
5762 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5764 2005-02-16 Paul Brook <paul@codesourcery.com>
5766 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5769 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5771 PR rtl-optimization/25636
5772 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5773 when deciding whether an insn is an initializing insn.
5775 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5777 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5778 (tree_code_size): Ditto.
5779 * tree.h (struct tree_memory_tag): Remove parent_var.
5780 (struct tree_struct_field_tag): New.
5783 (union tree_node): Add sft member.
5784 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5786 (create_sft): Add size and offset argument, set SFT_OFFSET and
5788 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5789 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5790 * tree-flow-inline.h (get_subvar_at): Update for
5791 SFT_OFFSET/SFT_SIZE.
5792 (var_can_have_subvars): Ditto.
5793 (overlap_subvar): Ditto.
5794 * print-tree.c (print_node): Print out interesting things for
5796 * tree-flow.h (struct subvar): Remove offset and size members.
5797 * tree-ssa-operands.c (get_expr_operands): Update for
5798 get_indirect_ref_operands changes.
5799 (get_indirect_ref_operands): Call add_virtual_operand instead of
5800 add_stmt_operand. Only recurse on base var if requested.
5801 (access_can_touch_variable): New function.
5802 (add_stmt_operand): Split virtual operand handling into ...
5803 (add_virtual_operand): Here. Add offset, size, and for_clobber
5804 arguments. Prune alias sets.
5805 (add_call_clobber_ops): Call add_virtual_operand.
5807 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5810 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5812 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5813 than TREE_CODE as index into omp_clause_num_ops array.
5815 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5817 PR rtl-optimization/26184
5818 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5820 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5821 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5822 must_precede, must_follow and tobe_scheduled.
5825 * opts.c (common_handle_option): Free new_option pointer.
5826 * df-core.c (df_analyze): Free postorder pointer.
5828 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5830 * Makefile.in: Fix the examples about the use of stamps
5832 2006-02-15 Michael Matz <matz@suse.de>
5836 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5837 influenced by maximum_field_alignment or DECL_PACKED.
5838 (update_alignment_for_field): Ditto.
5839 (place_field): Ditto.
5840 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5843 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5845 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5846 (debug_flow_info): Pass it.
5847 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5848 * bb-reorder.c (reorder_basic_blocks): Likewise.
5849 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5850 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5851 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5852 * gcse.c (gcse_main, bypass_jumps): Likewise.
5853 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5854 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5855 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5856 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5857 * rtl.h (dump_flow_info): Adjust prototype.
5858 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5859 * var-tracking.c (variable_tracking_main): Likewise.
5860 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5861 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5864 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5866 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5869 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5871 PR tree-optimization/26209
5872 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5873 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5875 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5877 2006-02-14 Roger Sayle <roger@eyesopen.com>
5880 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5881 (X,Y) and the corresponding symmetry related transformations.
5882 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5883 (X,Y) and its symmetry related transformations.
5885 2006-02-14 Roger Sayle <roger@eyesopen.com>
5887 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5890 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5892 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5894 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5897 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5898 support COMDAT group.
5899 * configure: Regenerate.
5901 2006-02-14 Roger Sayle <roger@eyesopen.com>
5906 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5908 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5910 Fix PR tree-optimization/26260
5912 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5914 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5915 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5916 * tree-ssa-structalias.c (create_variable_info_for): Use
5917 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5919 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5921 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5923 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5924 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5925 of the ending condition.
5926 * tree-ssa-loop-manip.c: Include params.h.
5927 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5928 tree_unroll_loop): New functions.
5929 * tree-pass.h (pass_loop_prefetch): Declare.
5930 * loop.c (rest_of_handle_loop_optimize): Test for
5931 -fprefetch-loop-arrays-rtl.
5932 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5933 * timevar.def (TV_TREE_PREFETCH): New timevar.
5934 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5935 pass_loop_prefetch): New.
5936 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5937 (cleanup_tree_cfg_loop): Call scev_reset.
5938 * common.opt (fprefetch-loop-arrays-rtl): Add.
5939 * tree-ssa-loop-prefetch.c: New file.
5940 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5941 (new_temp_expr_table): Initialize expr_vars.
5942 (free_temp_expr_table): Cleanup expr_vars.
5943 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5944 expressions from being merged into one.
5945 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5946 (struct tree_niter_desc): Add control, bound and cmp fields.
5947 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5949 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5950 (tree-cfgcleanup.o): Add SCEV_H dependency.
5951 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5952 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5954 2006-02-14 Richard Guenther <rguenther@suse.de>
5956 PR tree-optimization/26258
5957 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5958 in PHI argument processing.
5960 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5962 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5963 new expression in the requested machine mode.
5965 2006-02-13 Roger Sayle <roger@eyesopen.com>
5967 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5968 directly, instead let do_compare_rtx_and_jump handle this for us.
5969 * expr.c (expand_expr_real_1): Likewise.
5970 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5971 before do_jump_by_parts_greater.
5972 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5973 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5975 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5977 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5979 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5981 PR rtl-optimization/26235
5982 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5983 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5986 2006-02-13 Jeff Law <law@redhat.com>
5988 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5991 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5994 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5995 twice if decl is a builtin. When trying again, call get_callee_fndecl
5996 first to verify it is still a builtin.
5998 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6000 * dwarf2out.c (base_type_die): Don't add AT_name here.
6001 (subrange_type_die): Don't add AT_name here.
6002 (modified_type_die): Rearrange code flow. Do add AT_name here.
6004 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6006 PR rtl-optimization/26247
6007 PR rtl-optimization/26248
6008 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6010 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6012 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6013 * config/fixtfdi.c: Likewise.
6014 * config/fixunstfdi.c: Likewise.
6015 * config/floatditf.c: Likewise.
6017 2006-02-13 Roger Sayle <roger@eyesopen.com>
6020 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6021 into (X,C2) if C1 is a subset of the bits of C2. Transform
6022 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6024 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6026 2006-02-13 Josh Conner <jconner@apple.com>
6029 * varasm.c (function_section): Check for section name before
6030 calling select_section on targets that define
6031 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6032 unlikely_text_section instead of hot_function_section if
6033 first_function_block_is_cold.
6035 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6038 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6040 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6042 PR rtl-optimization/26222
6043 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6044 after tree->rtl expansion.
6045 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6046 before passing it to emit_move_insn.
6048 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6050 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6052 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6053 Clarify documentation.
6054 * c-common.h (warn_write_strings): Remove.
6055 * c-common.c (warn_write_strings): Likewise.
6056 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6059 2006-02-12 Roger Sayle <roger@eyesopen.com>
6062 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6063 (do_jump_parts_zero_rtx): New function renamed from
6064 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6065 (do_jump_parts_equality_rtx): New function split out from
6066 do_jump_parts_equality. Old implementation renamed as above.
6067 Call do_jump_parts_zero_rtx if either operand is zero.
6068 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6069 do all of the heavy lifting.
6070 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6071 calling either do_jump_by_parts_greater_rtx or
6072 do_jump_by_parts_equality_rtx.
6073 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6074 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6075 moved to do_compare_rtx_and_jump, call it directly.
6076 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6077 mode argument. Call do_compare_rtx_and_jump.
6078 (emit_case_nodes): Update calls to do_jump_if_equal.
6080 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6082 PR rtl-optimization/26225
6083 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6085 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6087 PR rtl-optimization/26232
6088 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6090 2006-02-11 Jason Merrill <jason@redhat.com>
6093 * tree-inline.c (declare_return_variable): Just don't use the
6094 modify target if it's a gimple complex reg and the return slot
6097 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6099 * doc/contrib.texi: Update my entry.
6101 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6103 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6105 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6107 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6110 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6112 * doc/invoke.texi (-floop-optimize2): Removed.
6113 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6114 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6115 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6116 * common.opt (floop-optimize2): Removed.
6117 (fmove-loop-invariants): Enabled by default.
6119 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6121 * tree-if-conv.c (combine_blocks): Free the result of
6122 get_loop_exit_edges.
6124 2006-02-10 Jeff Law <law@redhat.com>
6126 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6128 PR tree-optimization/26213
6129 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6130 loop trying to follow SSA_NAME_VALUE chains.
6132 2006-02-10 Richard Guenther <rguenther@suse.de>
6134 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6135 deal with structures that end in implicitly variable sized arrays.
6137 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6139 PR rtl-optimization/24762
6140 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6143 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6145 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6146 (struct ivopts_data): Add regs_used field.
6147 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6148 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6149 instead of loop_data->regs_used;
6150 (free_loop_data): Do not free aux fields for loops.
6151 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6152 and tree_ssa_iv_optimize_finalize.
6154 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6156 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6158 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6161 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6162 computing the effective result type.
6164 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6167 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6168 (tree_overlaps_hard_reg_set): Declare.
6169 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6170 type and signature to match function type expected by walk_tree.
6171 (tree_overlaps_hard_reg_set): New function.
6172 (decl_conflicts_with_clobbers_p): Rename to:
6173 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6174 Use tree_overlaps_hard_reg_set. Changed caller.
6175 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6176 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6177 * cris.c (cris_md_asm_clobbers): Likewise.
6179 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6181 * reload1.c (emit_input_reload_insns): Delete code that tries to
6182 inherit using find_equiv_reg.
6184 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6186 * c-common.h (flag_const_strings): Don't declare.
6187 * c-common.c (flag_const_strings): Remove.
6188 * c.opt (fconst_strings): Remove.
6189 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6190 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6191 (c_common_init_options): Don't set flag_const_strings.
6192 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6194 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6196 * arm.md (tlobits_cbranch): New pattern.
6197 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6198 testing a single bit.
6200 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6203 * tree-ssa-pre.c (create_component_ref_by_pieces):
6204 Handle RETURN_DECL like VAR_DECL.
6206 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6209 * fold-const.c (fold_indirect_ref_1): Fold
6210 "*(foo *)&complexfoo" to "__real__ complexfoo"
6211 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6213 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6215 * tree-flow-inline.h (var_can_have_subvars):
6216 Volatile variables should not have subvariables.
6218 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6221 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6222 multiplying unsigned values.
6225 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6227 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6229 2006-02-08 Jason Merrill <jason@redhat.com>
6232 * tree.def: Elaborate on difference from MODIFY_EXPR.
6233 * doc/c-tree.texi (INIT_EXPR): Likewise.
6234 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6235 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6236 (gimplify_target_expr): Likewise.
6237 (gimplify_cond_expr): Remove target handling.
6238 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6239 (gimplify_expr): Clobber it here.
6240 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6241 Do return slot optimization if we have an INIT_EXPR.
6244 * tree-inline.c (declare_return_variable): Also clear
6245 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6248 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6251 * gimplify.c (gimplify_one_sizepos): Fix typo.
6253 2006-02-08 Jeff Law <law@redhat.com>
6255 PR tree-optimization/21417
6256 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6257 across a backedge if the control statement at the end of the
6258 block is data dependent on other statements in the same block.
6259 (record_temporary_equivalences_from_stmts): Remove over-conservative
6260 test for threading across backedges.
6262 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6263 control statement, handle all three special cases in the same
6264 manner as they all have the same desired solution. No longer
6265 special case edge flag updating when the post dominator is
6268 2006-02-08 Roger Sayle <roger@eyesopen.com>
6270 * tree.def (CHAR_TYPE): Remove.
6271 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6272 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6273 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6274 (gen_string_type_die): Delete unreachable function.
6276 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6277 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6278 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6279 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6280 * builtins.c (type_to_class): Likewise.
6281 * fold-const.c (fold_convert, build_range_check,
6282 merge_ranges): Likewise.
6283 * expr.c (count_type_elements): Likewise.
6284 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6285 * stor-layout.c (layout_type): Likewise.
6286 * ipa-type-escape.c (type_to_consider): Likewise.
6287 * gimplify.c (omp_firstprivatize_type_sizes,
6288 gimplify_type_sizes): Likewise.
6289 * explow.c (promote_mode): Likewise.
6290 * tree-sra.c (is_sra_scalar_type): Likewise.
6291 * varasm.c (output_constant): Likewise.
6292 * tree-inline.c (remap_type_1): Likewise.
6293 * convert.c (convert_to_pointer, convert_to_real,
6294 convert_to_integer, convert_to_complex): Likewise.
6296 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6298 * df-scan.c (df_def_record_1): A set destination may
6299 be a parallel regardless of mode.
6301 2006-02-08 Roger Sayle <roger@eyesopen.com>
6304 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6305 * config/mips/_tilib.c: Remove.
6306 * config/fixtfdi.c: New libgcc source file.
6307 * config/fixunstfdi.c: New source file.
6308 * config/floatditf.c: New source file.
6309 * config/floatunditf.c: New souce file.
6310 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6311 files above instead of config/mips/_tilib.c.
6312 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6314 2006-02-08 Jeff Law <law@redhat.com>
6316 PR tree-optimization/26169
6317 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6320 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6322 * df.h (DF_REG_SIZE): Return the length of the initialized
6325 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6327 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6328 __muldf3): Return a correctly signed zero.
6330 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6332 * passes.c (register_one_dump_file): Accept the current properties
6333 instead of pass number. Adjust call to dump_register. Remove
6335 (register_dump_files): Now a wrapper around...
6336 (register_dump_files_1): ... this one. Do not modify the pass
6338 (next_pass_1): Cosmetic fix.
6339 (execute_todo): Keep second parameter only. Use curr_properties
6340 instead of fetching it from the pass structure. Check and set
6342 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6343 instead of fetching it from the pass structure. Fix calls to
6344 execute_todo. Update curr_properties and initialize .vcg RTL dump
6345 after running the pass. Reset last_verified.
6346 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6348 (FIRST_AUTO_NUMBERED_DUMP): New.
6349 (dump_register): Remove "num" parameter, assign it within the
6351 (get_dump_file_name): Modify template for dumps.
6352 * tree-dump.h (dump_register): Adjust prototype.
6353 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6354 (PROP_trees): Add PROP_gimple_lomp.
6355 (TODO_set_props): New.
6356 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6357 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6358 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6360 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6362 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6363 (sparc64-*-linux*): Likewise.
6364 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6365 * config/sparc/t-linux: New file.
6366 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6367 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6368 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6369 -m32 -mlong-double-128.
6371 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6372 * config/alpha/t-linux: New file.
6373 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6375 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6376 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6377 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6378 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6379 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6380 (CPP_ARCH32_SPEC): Remove.
6382 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6384 PR tree-optimization/26145
6385 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6388 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6391 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6392 >= 240000 when generating code for SOM runtime.
6393 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6394 to $$dyncall when generating code for SOM runtime..
6396 2006-02-07 Dirk Mueller <dmueller@suse.com>
6399 * doc/invoke.texi (-Wsequence-point): Update documentation
6400 that -Wsequence-point is implemented for C++ as well.
6402 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6404 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6405 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6406 (LIB_SPEC): Likewise.
6407 * doc/invoke.texi (SPARC options): Document -pthread.
6409 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6411 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6414 2006-02-07 Roger Sayle <roger@eyesopen.com>
6416 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6417 Correct comment describing BOOLEAN_TYPE.
6419 2006-02-07 Dirk Mueller <dmueller@suse.com>
6421 * c.opt: C++ frontend supports -Wdiv-by-zero.
6422 * c-opts.c (c_common_handle_option): Remove dead case.
6424 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6426 * configure.ac (TLS assembler check): Do not enable TLS by
6427 default on SPARC/Solaris before version 10.
6428 * configure: Regenerate.
6430 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6432 * doc/invoke.texi (xl-compat): Document conversion and support
6435 2006-02-07 Jeff Law <law@redhat.com>
6437 * tree-vrp.c (find_conditional_asserts): Update comments.
6438 (simplify_stmt_for_jump_threading): New.
6439 (identify_jump_threads, finalize_jump_threads): New.
6440 (vrp_finalize): Call identify_jump_threads.
6441 (execute_vrp): Call finalize_jump_threads.
6442 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6443 (vrp_element, vrp_data, vrp_element_p): Remove.
6444 (vrp_hash_elt, vrp_variables_stack): Remove.
6445 (vrp_hash, vrp_eq, record_range): Remove.
6446 (simplify_cond_and_lookup_avail_expr): Remove.
6447 (extract_range_from_cond): Remove.
6448 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6449 (simplify_stmt_for_jump_threading): New.
6450 (dom_thread_across_edge): New wrapper.
6451 (tree_ssa_dominator_optimize): No longer initialize or
6452 finalize any of the VRP datastructures. Remove iteration
6453 step and simplify as a result of removal of iteration step.
6454 (pass_dominator): Perform a cfg cleanup after DOM.
6455 (dom_opt_finalize_block): Use the new common routines
6456 for threading jumps. Simplify stack management slightly.
6457 No longer need to unwind VRP state.
6458 (record_equivalences_from_incoming_edge): No longer record
6460 (eliminate_redundant_computations): No longer call
6461 simplify_cond_and_lookup_avail_expr.
6462 * tree-flow.h (potentially_threadable_block): Prototype.
6463 (thread_across_edge): Likewise.
6464 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6465 (tree-ssa-threadedge.o): Add dependencies.
6466 * tree-ssa-threadedge.c: New file.
6467 * passes.c (init_optimization_passes): Merge PHIs before
6468 calling VRP. Run VRP again late in the SSA optimization pipeline.
6470 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6472 * df-core.c (df_set_blocks): Do not dereference function pointers.
6473 (df_finish1): Likewise.
6474 (df_hybrid_search_forward): Likewise.
6475 (df_hybrid_search_backward): Likewise.
6476 (df_iterative_dataflow): Likewise.
6477 (df_analyze_problem): Likewise.
6478 (df_compact_blocks): Likewise.
6479 (df_dump): Likewise.
6480 * df-scan.c (df_rescan_blocks): Likewise.
6481 (df_record_entry_block_defs): Likewise.
6483 * genconditions.c (write_conditions): Guard the definition of
6484 'insn_conditions' with the check on GCC version.
6485 (write_writer): Guard the traversal 'insn_conditions' with
6486 the check on GCC version.
6488 2006-02-07 Richard Guenther <rguenther@suse.de>
6492 2006-01-30 Richard Guenther <rguenther@suse.de>
6494 * gimplify.c (gimplify_target_expr): Handle easy cases
6495 without creating a temporary.
6497 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6499 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6500 use of float in probability computations. Use edge probabilities
6501 in place of statically computed probabilities.
6502 (min_spec_prob): New static variable.
6503 (schedule_insns): Initialize it.
6504 (GET_SRC_PROB): Removed.
6505 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6507 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6510 * config/ia64/unwind-ia64.c: Revert last change.
6511 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6512 (INCOMING_FRAME_SP_OFFSET): Define.
6514 2006-02-06 Roger Sayle <roger@eyesopen.com>
6516 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6518 2006-02-07 Ben Elliston <bje@au.ibm.com>
6520 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6521 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6522 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6523 (ix86_return_in_memory): Handle TDmode.
6524 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6525 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6527 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6529 * reorg.c (dbr_schedule): Use dump_file instead of file.
6531 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6534 * config/ia64/predicates.md (extr_len_operand): New predicate.
6535 * config/ia64/ia64.md (extv): Tighten constraints.
6537 (*tbit_and_2): Ditto.
6538 (*tbit_and_3): Ditto.
6539 (*tbit_or_2): Ditto.
6540 (*tbit_or_3): Ditto.
6544 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6547 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6549 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6551 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6552 loop_optimizer_init and loop_optimizer_finalize
6553 * tree-ssa-sink.c (execute_sink_code): Ditto.
6554 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6555 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6556 tree_ssa_loop_done): Ditto.
6557 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6558 * sched-ebb.c: Include output.h.
6559 (schedule_ebbs): Do not use dump argument.
6560 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6561 * loop.c (loop_dump_stream): Removed.
6562 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6564 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6565 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6566 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6567 loop_iterations, strength_reduce, record_biv, record_giv,
6568 final_giv_value, check_final_value, check_ext_dependent_givs,
6569 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6570 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6571 dump_file instead of loop_dump_stream.
6572 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6574 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6576 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6577 * haifa-sched.c: Include output.h
6578 (schedule_insns, sched_init): Do not use dump argument.
6579 * mode-switching.c (optimize_mode_switching): Ditto.
6580 * modulo-sched.c (stats_file): Removed.
6581 (print_node_sched_params): Do not call argument dump_file.
6582 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6583 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6585 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6587 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6588 rtl_loop_init, rtl_loop_done): Ditto.
6589 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6590 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6592 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6593 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6594 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6595 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6596 * emit-rtl.c (renumber_insns): Ditto.
6597 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6598 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6599 * regclass.c (regclass): Ditto.
6600 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6601 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6602 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6603 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6605 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6606 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6608 * gcse.c (gcse_file, debug_stderr): Removed.
6609 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6610 rest_of_handle_gcse): Do not use dump argument.
6611 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6612 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6613 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6614 compute_code_hoist_vbeinout, compute_code_hoist_data,
6615 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6616 compute_store_table, build_store_vectors, insert_insn_start_bb,
6617 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6618 store_motion): Use dump_file instead of gcse_file.
6619 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6620 * profile.c (profile_dump_file): Removed.
6621 (branch_prob): Use dump_file instead of profile_dump_file.
6622 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6624 * tree-ssa-copy.c (dump_copy_of): Ditto.
6625 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6626 dump file to life_analysis.
6627 * bt-load.c (branch_target_load_optimize): Ditto.
6628 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6630 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6631 regclass, dbr_schedule): Declaration changed.
6632 * sched-int.h (sched_init): Declaration changed.
6633 * tree-profile.c (tree_profile_dump_file): Removed.
6634 (tree_profile_hooks): Removed profile_dump_file hook.
6635 * rtl-profile (rtl_profile_dump_file): Removed.
6636 (rtl_profile_hooks): emoved profile_dump_file hook.
6637 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6639 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6640 * tree-cfg.c (build_tree_cfg): Ditto.
6641 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6642 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6643 Declaration changed.
6644 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6645 life_analysis and schedule_insns.
6646 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6648 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6650 * config/mips/mips.c (mips_reorg): Ditto.
6651 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6654 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6656 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6657 (s390_mangle_fundamental_type): New.
6658 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6661 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6662 (alpha_mangle_fundamental_type): New.
6663 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6666 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6668 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6670 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6671 (sparc_mangle_fundamental_type): New.
6673 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6675 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6676 (s390x-*-linux*): Likewise.
6677 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6678 * config/s390/t-linux: New file.
6680 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6682 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6683 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6685 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6687 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6688 (ANTIC_SAFE_LOADS): New macro.
6689 (find_or_generate_expression): Add prototype.
6690 (set_contains_value): Allow null set for sake of not always having
6691 to allocate ANTIC_SAFE_LOADS.
6692 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6693 Allow COMPONENT_REF too.
6694 (valid_in_set): Allow COMPONENT_REF.
6695 Check ANTIC_SAFE_LOADS too.
6696 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6697 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6699 (can_PRE_operation): Add COMPONENT_REF.
6700 (create_component_ref_by_pieces): New function.
6701 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6702 (insert_aux): Move AGGREGATE_TYPE_P check here.
6703 (compute_avail): Set bb local stmt uids.
6704 (pass_pre): Use TODO_update_ssa_only_virtuals.
6706 2006-02-06 Ben Elliston <bje@au.ibm.com>
6708 * configure.ac: Unconditionally disable decimal float by default.
6709 * configure: Regenerate.
6711 2006-02-06 Ben Elliston <bje@au.ibm.com>
6713 * read-rtl.c (read_name): Terminate reading on EOF.
6715 2006-02-06 Ben Elliston <bje@au.ibm.com>
6717 * dfp.c (decimal_real_arithmetic): Change second argument type
6718 from int to enum tree_code. Do not always return true, but now
6719 return result of any call to decimal_do helper functions.
6720 * dfp.h (decimal_real_arithmetic): Update prototype.
6722 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6724 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6726 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6729 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6732 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6734 * tree-vrp.c (cfg_loops): Removed.
6735 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6736 Use current_loops instead of cfg_loops. Pass flags to
6737 loop_optimizer_init.
6738 * cfgloopmanip.c (fix_loop_structure): Update only available
6740 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6741 loop_optimizer_init.
6742 * modulo-sched.c (build_loops_structure): Removed.
6743 (sms_schedule): Use loop_optimizer_init.
6744 * loop-init.c (loop_optimizer_init): Use flags to determine
6745 which properties of loops to prepare.
6746 (rtl_loop_init): Pass flags to loop_optimizer_init.
6747 * tree-ssa-sink.c (execute_sink_code): Ditto.
6748 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6749 * tree-ssa-pre.c (init_pre): Ditto.
6750 * cfgloop.h (LOOPS_NORMAL): New.
6751 (loop_optimizer_init): Declaration changed.
6753 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6755 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6756 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6758 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6760 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6762 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6763 * pa/t-pa64: Delete quadlib.c rule.
6764 * pa/x-ada: Revert last change.
6765 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6767 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6769 PR rtl-optimization/26087
6770 * rtlanal.c (canonicalize_condition): Do not cross basic block
6773 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6776 * config/ia64/ia64.c: Include debug.h.
6777 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6778 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6779 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6780 (process_epilogue, process_set, process_for_unwind_directive):
6781 Output unwind info only if requested. Add CFA info if requested.
6782 Add new arguments as needed. Adjust callers.
6783 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6785 (DWARF2_FRAME_INFO): Define to zero.
6786 * config/ia64/unwind-ia64.c: Remove code that compensated for
6787 the CFA offset error fixed above.
6788 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6789 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6790 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6791 -funwind-tables and -fexceptions to enable frame info.
6792 (dwarf2out_frame_init): Define initial CFA even if
6793 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6794 DWARF2_UNWIND_INFO is nonzero, not just defined.
6795 (dwarf2out_frame_finish): Output non-EH call frame info only
6796 if DWARF2_FRAME_INFO is nonzero.
6797 (convert_cfa_to_loc_list,
6798 compute_frame_pointer_to_cfa_displacement): Define even if
6799 unwind info is not supported.
6800 (gen_subprogram_die): Use the above unconditionally. Remove
6801 legacy alternate code.
6802 * toplev.c (compile_file): Compile in call to
6803 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6804 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6806 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6807 Jakub Jelinek <jakub@redhat.com>
6809 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6810 IBM extended float format long double as "g" on powerpc*-linux.
6812 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6815 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6816 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6818 2006-02-03 Jason Merrill <jason@redhat.com>
6821 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6824 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6825 on the return slot if it's an NRV.
6827 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6829 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6830 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6831 rewrite_use): Do not handle USE_OUTER.
6832 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6833 add_iv_outer_candidates, may_replace_final_value,
6834 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6835 (find_interesting_uses_op): Functionality of
6836 find_interesting_uses_outer_or_nonlin moved here.
6837 (find_interesting_uses_outside): Use find_interesting_uses_op.
6839 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6842 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6844 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6845 Ulrich Weigand <uweigand@de.ibm.com>
6848 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6849 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6850 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6851 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6853 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6854 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6855 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6856 Define secondary reloads for TFmode moves.
6857 (constant_modes): Add TFmode.
6858 (NR_C_MODES): Set to 8.
6859 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6861 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6862 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6863 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6864 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6865 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6866 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6867 (FPR mode macro): Add TFmode.
6868 (DSF mode macro): New.
6869 (<de>, <dee> mode attributes): Removed.
6870 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6871 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6872 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6873 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6874 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6875 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6876 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6877 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6878 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6879 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6880 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6881 "*negabs<mode>2", "sqrt<mode>2"):
6882 Changed <de> to <xde>. R constraint replaced by <Rf>.
6883 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6885 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6886 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6887 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6889 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6890 "extenddftf2", "extendsftf2"): New expanders.
6891 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6892 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6893 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6894 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6896 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6897 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6898 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6899 __floatditf): Add a GCC_4.1.0 symbol version tag.
6900 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6903 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6906 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6907 Use targetm.binds_local_p instead of TREE_PUBLIC.
6909 2006-02-02 Roger Sayle <roger@eyesopen.com>
6911 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6912 on INTEGER_TYPEs to indicate that it denotes a character type.
6913 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6914 signed_char_type_node, unsigned_char_type_node and char_type_node.
6915 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6916 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6917 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6919 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6920 Daniel Berlin <dberlin@dberlin.org>
6922 * tree-tailcall.c (arg_needs_copy_p): New function.
6923 (eliminate_tail_call): Use arg_needs_copy_p.
6924 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6925 (add_virtual_phis): New function.
6927 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6929 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6930 #ignore instead of #scratch for %g7 .register directive.
6932 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6934 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6937 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6939 * flow.c (calculate_global_regs_live): Assert that there aren't any
6942 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6944 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6946 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6947 bsi_after_labels iterator.
6948 * tree-if-conv.c (find_phi_replacement_condition,
6949 replace_phi_with_cond_modify_expr): Likewise.
6950 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6951 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6953 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6955 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6957 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6960 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6961 array after growing it.
6963 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6966 * fold-const.c (fold_checksum_tree): Change type of buf.
6968 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6970 * reload.c (push_secondary_reload): Initialize t_icode.
6972 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6974 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6975 -msoft-float -mlong-double-128 only issue a warning, but don't
6976 swich to DFmode long double.
6978 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6980 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6981 has a constant equivalent, iterate over equivalents for arg0,
6982 calling simplify_relational_operation and if there's a result
6983 cheaper than X, apply fold_rtx and return the result.
6985 2006-02-01 Jan Hubicka <jh@suse.cz>
6987 * opts.c (no_unit_at_a_time_default): New global variable.
6988 (decode_options): Use it.
6989 * opts.h (no_unit_at_a_time_default): Declare.
6991 2006-02-01 Paul Brook <paul@codesourcery.com>
6993 * function.c (assign_parm_setup_reg): Use function argument promotion
6995 * expr.c (expand_expr_real_1): Use function argument promotion rules
6998 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7000 * gcc.c (process_command): Change j to 'unsigned int'.
7002 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7005 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7006 Use the corrected index for the character
7007 out of the string constant.
7009 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7011 * mode-switching.c (optimize_mode_switching): Fix size
7012 allocated for bb_info[n_entities].
7014 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7016 * gcc.c (main): Correct type that is allocated for
7017 explicit_link_files.
7019 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7021 * config/s390/s390.c (init_alignment_context): Set
7022 ALIAS_SET_MEMORY_BARRIER on the MEM.
7023 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7025 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7028 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7030 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7033 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7035 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7036 * regrename.c: Ditto.
7037 * tree-ssa-loop-im.c: Ditto.
7038 * tree-dump.c: Ditto.
7039 * tree-complex.c: Ditto.
7040 * genrecog.c: Ditto.
7041 * tree-ssa-threadupdate.c: Ditto.
7043 * java/class.c: Ditto.
7044 * java/jcf-parse.c: Ditto.
7045 * java/resource.c: Ditto.
7046 * java/except.c: Ditto.
7047 * java/jvspec.c: Ditto.
7048 * java/jcf-write.c: Ditto.
7049 * java/jcf-path.c: Ditto.
7050 * java/gjavah.c: Ditto.
7051 * java/zextract.c: Ditto.
7052 * java/jcf-io.c: Ditto.
7053 * java/jcf.h: Ditto.
7054 * java/buffer.c: Ditto.
7055 * java/lang.c: Ditto.
7056 * java/parse-scan.y: Ditto.
7057 * java/lex.c: Ditto.
7058 * java/lex.h: Ditto.
7059 * cfgloopmanip.c: Ditto.
7060 * postreload-gcse.c: Ditto.
7061 * tree-ssa-loop-manip.c: Ditto.
7062 * postreload.c: Ditto.
7063 * tree-ssa-loop-ch.c: Ditto.
7067 * diagnostic.c: Ditto.
7069 * genoutput.c: Ditto.
7071 * cfghooks.c: Ditto.
7072 * cfgloopanal.c: Ditto.
7073 * objc/objc-act.c: Ditto.
7075 * genextract.c: Ditto.
7076 * genautomata.c: Ditto.
7077 * pretty-print.c: Ditto.
7079 * cgraphunit.c: Ditto.
7082 * haifa-sched.c: Ditto.
7083 * dominance.c: Ditto.
7085 * tree-ssa-loop-ivopts.c: Ditto.
7087 * mode-switching.c: Ditto.
7088 * modulo-sched.c: Ditto.
7090 * ipa-pure-const.c: Ditto.
7092 * fix-header.c: Ditto.
7094 * tree-stdarg.c: Ditto.
7095 * ipa-utils.c: Ditto.
7096 * loop-init.c: Ditto.
7097 * ipa-inline.c: Ditto.
7100 * alloc-pool.c: Ditto.
7101 * dwarf2out.c: Ditto.
7103 * genattrtab.c: Ditto.
7104 * tree-ssa-loop-ivcanon.c: Ditto.
7108 * fortran/gfortranspec.c: Ditto.
7110 * local-alloc.c: Ditto.
7111 * langhooks.c: Ditto.
7112 * function.c: Ditto.
7113 * tree-vectorizer.c: Ditto.
7115 * ipa-type-escape.c: Ditto.
7117 * tree-if-conv.c: Ditto.
7120 * tree-data-ref.c: Ditto.
7121 * loop-unroll.c: Ditto.
7122 * treelang/treetree.c: Ditto.
7125 * ggc-common.c: Ditto.
7127 * coverage.c: Ditto.
7129 * tree-cfgcleanup.c: Ditto.
7130 * tree-ssa-pre.c: Ditto.
7131 * cfgcleanup.c: Ditto.
7132 * loop-invariant.c: Ditto.
7134 * ipa-prop.c: Ditto.
7135 * print-tree.c: Ditto.
7136 * conflict.c: Ditto.
7137 * ggc-page.c: Ditto.
7138 * sched-deps.c: Ditto.
7139 * regclass.c: Ditto.
7140 * tree-object-size.c: Ditto.
7142 * bb-reorder.c: Ditto.
7143 * resource.c: Ditto.
7144 * var-tracking.c: Ditto.
7146 * df-problems.c: Ditto.
7147 * reg-stack.c: Ditto.
7150 * sched-rgn.c: Ditto.
7151 * tree-ssa-structalias.c: Ditto.
7152 * tree-ssa-reassoc.c: Ditto.
7153 * config/darwin-c.c: Ditto.
7154 * config/darwin.c: Ditto.
7155 * config/arm/arm.c: Ditto.
7157 * collect2.c: Ditto.
7160 2006-01-31 Nicolas Pitre <nico@cam.org>
7162 * arm.md (smaxsi3): Make aware of smax_m1.
7165 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7167 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7169 2006-01-31 Richard Guenther <rguenther@suse.de>
7171 * doc/invoke.texi (-msselibm): Document.
7172 * target.h (expand_library_builtin): New target hook.
7173 * builtins.c (expand_builtin): Use expand_library_builtin.
7174 (default_expand_library_builtin): New function.
7175 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7176 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7177 (link_gcc_math_spec): Declare.
7178 (static_specs): Add link_gcc_math_spec.
7179 * expr.h (default_expand_library_builtin): Declare.
7180 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7181 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7182 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7183 * config/i386/i386.opt (msselibm): New target option.
7184 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7185 (ix86_init_sse_abi_builtins): New function.
7186 (ix86_expand_library_builtin): Likewise.
7187 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7188 (override_options): Handle error conditions wrt -msselibm.
7189 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7190 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7191 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7194 2006-01-31 Richard Guenther <rguenther@suse.de>
7195 Paolo Bonzini <bonzini@gnu.org>
7197 * doc/install.texi (--disable-libgcc-math): Document.
7199 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7201 * expr.h (expand_normal): new inline function.
7202 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7204 * dwarf2out.c: use it.
7209 * config/sparc/sparc.c: use it.
7210 * config/i386/i386.c: use it.
7211 * config/rs6000/rs6000.c: use it.
7212 * config/arm/arm.c: use it.
7213 * config/mips/mips.c: use it.
7214 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7216 2006-01-30 Roger Sayle <roger@eyesopen.com>
7218 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7219 argv to the appropriate type.
7221 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7223 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7226 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7229 * config/s390/s390.c (struct machine_function): New flag
7230 decomposed_literal_pool_addresses_ok_p.
7231 (s390_reorg): Set it before final stage of literal pool transforms.
7232 (s390_decompose_address): Only accept displacements of the form
7233 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7235 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7237 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7238 the comparison routine return.
7240 2006-01-30 Michael Matz <matz@suse.de>
7242 * global.c (find_reg): Only evict for global regs.
7243 Take n_refs into account and dump more info.
7245 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7248 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7249 (pragma_trap, pragma_nosave_low_regs): Likewise.
7250 (current_function_anonymous_args): Likewise.
7251 (sh_deferred_function_attributes): New variable.
7252 (sh_deferred_function_attributes_tail): Likewise.
7253 (print_operand): For '@', look up trap_exit attribute.
7254 (calc_live_regs): Look up trapa_handler attribute. For trapa
7255 handlers, save/restore fpscr, but don't do any other
7256 interrupt-specific saves.
7257 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7258 Fix check for partially saved registers to check for SHmedia.
7259 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7260 (sh_output_function_epilogue): Don't clear any of the removed
7262 (sh_insert_attributes): Don't check pragma_interrupt.
7263 Insert deferred attributes. Check that interrupt attribute is
7264 present for other attributes that require its presence.
7265 (sh_attribute_table): Add new attributes trapa_handler and
7267 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7268 Don't check for pragma_interrupt. Don't store argument.
7269 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7270 (sh_deferred_function_attributes): Declare.
7271 (sh_deferred_function_attributes_tail): Likewise.
7272 * sh.md (sp_switch_1): Add operand. Change generator caller.
7273 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7274 (*return_i): Don't use when trap_exit attribute is in effect.
7275 (*return_trapa): New insn pattern.
7277 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7278 setting c_target_objs and cxx_target_objs.
7279 * t-sh: Add rule for sh-c.o.
7281 2006-01-30 Richard Guenther <rguenther@suse.de>
7284 * gimplify.c (gimplify_target_expr): Handle easy cases
7285 without creating a temporary.
7287 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7289 * vec.h (safe_grow): Remove duplicated line.
7291 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7294 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7295 (expand_omp): ... here.
7296 (expand_omp_parallel): Only remove barriers for combined
7297 parallel+workshare constructs.
7299 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7303 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7304 * tree.c (build_qualified_type): Chain the new type to the original
7305 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7306 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7307 (build_pointer_type_for_mode): Only return unqualified types.
7308 (build_reference_type_for_mode): Likewise.
7310 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7312 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7313 * Makefile.in (CXX_COMPAT_WARN): Define.
7314 * configure: Regenerate.
7316 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7319 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7322 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7324 * toplev.c: Fix thinko.
7326 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7327 Marcin Dalecki <martin@dalecki.de>
7329 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7330 (push_srcloc): Use XNEW.
7331 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7333 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7335 * df-core.c (df_set_blocks): Deleted all variable.
7337 2006-01-28 Ian Lance Taylor <ian@airs.com>
7339 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7340 cgraph_output_pending_asms.
7342 2006-01-28 Zack Weinberg <zackw@panix.com>
7344 * c.opt: Add -W(no-)overlength-strings.
7345 * doc/invoke.texi: Document it.
7346 * c-opts.c (c_common_handle_option): -pedantic implies
7347 -Woverlength-strings, if not explicitly disabled already.
7348 (c_common_post_options): -Woverlength-strings defaults to off, and
7349 is always off for C++.
7350 * c-common.c (fix_string_type): Issue warning about strings longer
7351 than is portable only if warn_overlength_strings. Rearrange code
7352 a little for clarity.
7353 * configure.in: Check for -Wno-overlength-strings as well before
7354 enabling -pedantic in stage 1.
7355 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7356 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7358 * genconditions.c (write_header, write_one_condition)
7359 (write_conditions, write_writer): Consolidate very long strings
7360 that were broken up to fit in C89 portable limit. Don't use
7361 printf when fputs will do.
7363 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7365 * combine.c (simplify_comparison <AND>): Check
7366 TRULY_NOOP_TRUNCATION before start using a subreg.
7368 * config/mips/mips.md (*branch_zero<mode>,
7369 *branch_zero<mode>_inverted, *branch_equality<mode>,
7370 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7371 Remove mode check from comparisons.
7373 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7375 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7377 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7379 * expmed.c (const_mult_add_overflow_p): Remove.
7380 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7382 * recog.c (validate_replace_rtx_subexp): Remove.
7383 * recog.h: Remove the prototype for
7384 validate_replace_rtx_subexp.
7386 * integrate.h: Remove the prototype for
7387 copy_decl_for_inlining.
7388 * rtl.h: Remove the prototype for mark_constant_function.
7389 * tree-vectorizer.h: Remove the prototype for
7390 vect_strip_conversion.
7392 * modulo-sched.c (create_partial_schedule,
7393 free_partial_schedule, reset_partial_schedule): Make them
7396 * hooks.c (hook_bool_rtx_int_false): Remove.
7397 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7399 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7401 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7402 and -mlong-double-128 are incompatible.
7403 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7404 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7405 (TARGET_LIBGCC2_CFLAGS): Define.
7406 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7407 (TARGET_LIBGCC2_CFLAGS): Same.
7408 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7410 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7413 * c-typeck.c (build_binary_op): Perform implicit casts of
7414 operands before shortening them.
7416 * cfgloopmanip.c (split_loop_bb): Remove.
7417 * cfgloop.h: Remove the prototype for split_loop_bb.
7419 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7420 * cfgloop.h: Remove the prototype for
7421 flow_loop_outside_edge_p.
7423 * emit-rtl.c (init_virtual_regs): Make it static.
7424 * function.h: Remove the prototype for init_virtual_regs.
7426 * recog.c (peephole2_optimize): Make it static.
7427 * recog.h: Remove the prototype for peephole2_optimize.
7429 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7431 * df-scan.c (df_record_entry_block_defs): Check if
7432 INCOMING_RETURN_ADDR_RTX is defined.
7434 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7435 Kenneth Zadeck <zadeck@naturalbridge.com>
7437 PR rtl-optimization/24762
7438 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7439 * targhooks.c (hook_void_bitmap): New hook prototype.
7440 * targhoohs.h (hook_void_bitmap): Ditto.
7441 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7442 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7443 * target.h (live_on_entry): New function pointer.
7444 * df-scan.c (df_all_hard_regs): Removed.
7445 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7446 (df_scan_free_internal): Added df->entry_block_defs.
7447 (df_scan_alloc): Ditto.
7448 (df_scan_dump): Ditto.
7449 (df_uses_record): Plumbed flag field properly thru calls.
7450 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7451 This part fixes PR24762.
7452 (df_bb_refs_record): Added code to make the frame and arg
7453 pointers live in EH blocks.
7454 (df_refs_record): Added call to df_record_entry_block_defs.
7455 (df_record_entry_block_defs): New function.
7456 * df-core.c: Added comments to describe new artifical defs.
7457 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7458 (entry_block_defs): New field in struct df.
7459 (df_all_hard_regs): Deleted.
7460 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7461 * df-problems.c (df_ru_bb_local_compute_process_def):
7462 Added code to handle artifical defs in the entry to a function.
7463 (df_ru_bb_local_compute): Ditto.
7464 (df_rd_bb_local_compute_process_def): Ditto.
7465 (df_rd_bb_local_compute): Ditto.
7466 (df_lr_bb_local_compute): Ditto.
7467 (df_ur_bb_local_compute): Ditto.
7468 (df_urec_bb_local_compute): Ditto.
7469 (df_chain_create_bb): Ditto.
7470 (df_ur_local_finalize): Removed entry.
7471 (df_urec_init): Ditto.
7472 (df_urec_local_finalize): Ditto.
7473 (df_ri_bb_compute): Added detection of last use of pseudos.
7474 * Makefile.in (df-scan.o): Updated dependencies.
7475 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7476 * config/mips/mips.c (mips_set_live_on_entry): Added.
7477 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7479 * dce.c (marked_insn_p): Added code to handle artifical defs.
7481 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7483 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7485 (_mm_cvtsi128_si64): Likewise.
7486 (_mm_cvtsd_si64): Likewise.
7487 (_mm_cvttsd_si64): Likewise.
7488 (_mm_cvtsi64_sd): Likewise.
7489 (_mm_cvtsi64_si128): Likewise.
7490 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7491 (_mm_cvtsi64_m64): Likewise.
7492 (_m_to_int64): Likewise.
7493 (_mm_cvtm64_si64): Likewise.
7494 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7495 (_mm_cvttss_si64): Likewise.
7496 (_mm_cvtsi64_ss): Likewise.
7497 (_mm_cvtss_f32): Likewise.
7499 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7501 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7502 for pragma redefine_extname.
7504 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7507 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7508 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7509 -mno-minimal-toc to previous content.
7510 (bispecs): Remove goal.
7511 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7512 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7513 compatibility aliases on powerpc-*-*gnu*.
7514 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7515 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7516 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7517 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7518 (ldblspecs): New goal.
7519 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7520 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7522 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7523 L_sf_to_tf or L_df_to_tf is defined.
7525 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7526 Alan Modra <amodra@bigpond.net.au>
7529 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7530 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7531 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7532 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7533 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7534 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7535 (rs6000_override_options): Initialize rs6000_ieeequad.
7536 Initialize TFmode format to ibm_extended_format if not
7538 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7540 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7541 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7542 (function_arg_advance): IBM long double passed in two FPRs, not
7544 (function_arg): IBM long double passed in FPRs.
7545 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7546 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7547 Only multireg GPR aligned.
7548 (rs6000_init_libfuncs): Enable IBM long double functions if not
7550 (rs6000_generate_compare): Use IBM long double compare if not
7552 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7553 (TARGET_IEEEQUAD): Define.
7554 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7555 not TARGET_IEEEQUAD.
7556 * config/rs6000/rs6000.md: Enable TFmode patterns if
7558 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7559 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7560 and -mlong-double-128 are incompatible.
7561 * doc/invoke.texi (-mabi): Collect options together. Add
7562 ibmlongdouble and ieeelongdouble.
7564 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7566 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7568 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7569 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7570 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7571 * rtl.h (rtunion_def): Remove rt_ptr.
7573 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7574 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7575 * config/i386/winnt.c (i386_pe_mark_dllexport)
7576 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7578 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7580 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7582 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7586 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7587 pthread_key_delete. From John David Anglin. gthrw-ify
7588 pthread_getunique_np only if it it's not a macro. Delete
7590 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7591 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7592 __gthread_objc_condition_signal, __gthread_key_delete): Add
7593 "__attribute__ ((__unused__))" to unused arguments.
7594 (__gthread_recursive_mutex_init_function): Add missing return.
7595 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7596 gthr-posix95.h: Use macro-based approach for name redirection
7597 on targets missing weakref.
7599 2006-01-26 Zack Weinberg <zackw@panix.com>
7601 * genconditions.c (write_header): In generated code, #ifdef out
7602 all includes and fake declarations, except includes of bconfig.h
7603 and system.h, unless GCC_VERSION >= 3001. Do not include
7604 gensupport.h in any case.
7605 (write_conditions): Generate a definition of struct c_test. Add
7606 a comment to the generated #endif.
7607 (write_one_condition): Escape backslashes in string too.
7608 (write_writer): Generated code must escape backslashes and quote
7609 marks (but not newlines) in the strings it writes.
7610 * Makefile.in (build/gencondmd.o): Update dependencies.
7612 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7615 * Makefile.in (insn-automata.o): Add header file dependencies.
7616 * genautomata.c: Add includes.
7618 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7621 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7623 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7625 * configure.ac: Expect target tools paths to be passed from the toplevel
7626 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7628 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7630 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7633 * c.opt (Wpointer-sign): Init to -1.
7634 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7635 OPT_pedantic, to 0 otherwise.
7636 * doc/invoke.texi: Update.
7638 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7640 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7641 constants provided by 80387 instructions in the destination mode.
7643 2006-01-26 Richard Guenther <rguenther@suse.de>
7644 Andrew Pinski <pinskia@physics.uc.edu>
7647 partial PR tree-opt/17064
7648 * tree-ssa-structalias.c (intra_create_variable_infos):
7649 Create heap variables for incoming parameters if
7650 flag_argument_noalias > 1.
7651 (find_what_p_points_to): Look through default defs of
7654 2006-01-26 Jeff Law <law@redhat.com>
7657 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7658 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7659 within the VR_RANGE, use the VR_RANGE as the result, not the
7661 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7662 bounds for the type.
7664 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7666 * tree-ssa-alias.c (maybe_create_global_var): Change
7667 subvar walking to an assertion that we don't have subvar'd variables.
7669 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7672 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7673 Use a new variable, inner. PARM_DECLs are always non-weak.
7675 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7677 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7680 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7682 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7684 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7686 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7687 (smax_insn, smin_insn, smax_0, smin_0): New.
7689 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7692 * config/cris/cris.c (cris_order_for_addsi3): New function.
7693 * config/cris/cris-protos.h: Prototype it.
7694 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7695 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7696 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7697 (split for "op.S1 [rx=rx+i],ry (swapped)")
7698 (split for "op(s|u).S1 [rx=rx+i],ry")
7699 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7700 Apply cris_order_for_addsi3 when generating addsi3 insns.
7702 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7704 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7705 (TREE_BLOCK): Add call to EXPR_CHECK.
7707 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7710 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7711 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7712 (dump_omp_clauses): ... here.
7713 (dump_generic_node): Handle OMP_CLAUSE.
7714 * tree.c (omp_clause_num_ops): New.
7715 (omp_clause_code_name): New.
7716 (tree_code_size): Handle OMP_CLAUSE.
7717 (tree_size): Likewise.
7718 (make_node): Document handling of OMP_CLAUSE.
7719 (tree_node_structure): Handle OMP_CLAUSE.
7720 (omp_clause_check_failed): New.
7721 (omp_clause_range_check_failed): New.
7722 (omp_clause_operand_check_failed): New.
7723 (build_omp_clause): New.
7724 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7725 * tree.h (enum omp_clause_code): Declare.
7726 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7727 (OMP_CLAUSE_RANGE_CHECK): Define.
7728 (OMP_CLAUSE_ELT_CHECK): Define.
7729 (omp_clause_check_failed): Declare.
7730 (omp_clause_operand_check_failed): Declare.
7731 (omp_clause_range_check_failed): Declare.
7732 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7733 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7734 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7735 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7736 (OMP_CLAUSE_IF_EXPR): Likewise.
7737 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7738 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7739 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7740 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7741 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7742 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7743 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7744 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7745 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7746 (OMP_CLAUSE_CODE): Define.
7747 (OMP_CLAUSE_SET_CODE): Define.
7748 (OMP_CLAUSE_CODE): Define.
7749 (OMP_CLAUSE_OPERAND): Define.
7750 (struct tree_omp_clause): Declare.
7751 (union tree_node): Add field 'omp_clause'.
7752 * treestruct.def (TS_OMP_CLAUSE): Define.
7753 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7754 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7755 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7756 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7757 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7758 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7759 (OMP_CLAUSE): Define.
7760 * print-tree.c (print_node): Handle OMP_CLAUSE.
7761 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7762 * c-typeck.c: Likewise.
7763 * gimplify.c: Likewise.
7764 * c-omp.c: Likewise.
7765 * tree-nested.c: Likewise.
7766 * tree-inline.c: Likewise.
7767 * c-parser.c: Likewise.
7768 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7771 2006-01-25 Roger Sayle <roger@eyesopen.com>
7773 PR rtl-optimization/25703
7774 * combine.c (try_combine): Handle zero_extract and strict_low_part
7775 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7777 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7779 * global.c: Fix comment typos.
7781 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7784 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7785 Use output_addr_const instead of assemble_name.
7787 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7789 * Makefile.in (sched-vis.o): Update dependencies.
7790 * haifa-sched.c (sched_finish): Clear current_sched_info.
7791 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7792 (dump_flow_info): Call it.
7793 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7795 * basic-block.h (dump_bb_info): Declare.
7796 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7797 option, and apply options only for dump files whose TDF_RTL,
7798 TDF_TREE, or TDF_IPA bits match.
7799 * rtl.h: Declare new functions exported from sched-vis.c.
7800 * sched-vis.c: Enable also if scheduling is not used.
7801 (print_value): Print the mode of registers if not inside scheduling.
7802 (print_insn): Make it work outside the scheduler. Beautify the output
7804 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7806 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7808 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7809 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7810 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7811 depending on the value of CONSTANT_POOL_ADDRESS_P.
7812 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7814 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7815 rather than SYMBOL_REF_DECL.
7816 (rtx_constant_pool): Remove const_rtx_sym_htab.
7817 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7818 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7819 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7820 Remove handling of const_rtx_sym_htab.
7821 (find_pool_constant): Delete.
7822 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7823 rather than find_pool_constant.
7824 (get_pool_constant_for_function): Delete.
7825 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7827 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7828 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7829 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7830 (SYMBOL_REF_CONSTANT): New macro.
7831 (get_pool_constant_for_function): Delete.
7832 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7833 rather than SYMBOL_REF_DECL.
7834 (i386_pe_mark_dllimport): Likewise.
7835 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7836 rather than SYMBOL_REF_DECL.
7837 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7838 (machopic_indirect_call_target): Likewise.
7840 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7842 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7844 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7846 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7848 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7850 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7852 2006-01-24 David Daney <ddaney@avtrex.com>
7855 * configure.ac (enable_tls): New enable option.
7856 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7857 * configure: Regenerate.
7858 * doc/install.texi (--enable-tls): Document new option.
7859 (--disable-tls): Ditto.
7861 2006-01-24 Richard Henderson <rth@redehat.com>
7863 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7864 * alias.c (true_dependence): Respect it.
7865 (canon_true_dependence, write_dependence_p): Likewise.
7866 * builtins.c (get_builtin_sync_mem): Set it.
7868 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7870 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7873 2006-01-24 DJ Delorie <dj@redhat.com>
7875 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7876 for storing constants in single-bit bitfields.
7878 2006-01-25 Ben Elliston <bje@au.ibm.com>
7880 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7882 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7885 * tree-ssa-pre.c (phi_translate): Return NULL
7886 for AGGREGATE_TYPE's.
7888 2006-01-24 Zack Weinberg <zackw@panix.com>
7890 * genautomata.c (process_state_for_insn_equiv_partition):
7891 Use xcalloc for insn_arcs_array.
7892 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7893 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7895 2006-01-24 Richard Henderson <rth@redhat.com>
7897 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7900 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7902 PR rtl-optimization/25890
7903 PR rtl-optimization/25905
7904 * combine.c (expand_compound_operation, expand_field_assignment):
7905 Fail if the bitfield's final position is out of bounds.
7907 2006-01-24 Ian Lance Taylor <ian@airs.com>
7910 * cgraphunit.c (cgraph_output_in_order): Don't clear
7911 cgraph_asm_nodes until after asm strings have been output.
7913 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7915 * fix-header.c (read_scan_file): Add new parameter imultilib when
7916 calling register_include_chains.
7918 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7920 * omp-low.c: Update documentation.
7922 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7923 Daniel Berlin <dberlin@dberlin.org>
7927 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7928 return from the function.
7930 2006-01-22 Zack Weinberg <zackw@panix.com>
7932 * rtl.def (match_code): Add second argument.
7933 * genpreds.c (write_extract_subexp): New function.
7934 (write_match_code): Add path argument. Use write_extract_subexp.
7935 (write_predicate_expr): Pass path to write_match_code.
7936 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7937 not perform a mode test.
7938 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7939 a subexpression does not constrain the top-level code set.
7940 * read-rtl.c (read_rtx_variadic): New function.
7941 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7942 * doc/md.texi: Document new notation.
7943 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7944 (cmpsi_operand): ... here, using new notation.
7946 2006-01-22 Zack Weinberg <zackw@panix.com>
7948 * varray.c: Remove GENERATOR_FILE #ifdefs.
7950 2006-01-22 Zack Weinberg <zackw@panix.com>
7952 * genautomata.c (output_reserved_units_table): Emit nothing if
7953 description->query_units_num is zero. Remove extra blank line.
7954 (output_cpu_unit_reservation_p): Short circuit
7955 if description->query_units_num is zero.
7957 2006-01-22 Zack Weinberg <zackw@panix.com>
7959 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7960 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7961 nor any of the random handful of variables that used to be necessary
7962 when this program was linked with rtlanal.o. Prune set of forward
7963 function declarations.
7964 (struct attr_desc): Remove static_p field.
7965 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7966 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7967 (attr_string): Do not read the character one past the length of
7969 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7970 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7971 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7972 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7973 (make_automaton_attrs): New.
7974 (main): Do not call into genautomata. Call local gen_bypass
7975 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7976 Remove special case for insn_alts.
7977 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7978 varray.h (leftover from previous change). Prune set of forward
7979 function declarations. Remove state_alts fields from all
7980 structures. Remove state_alts_table from struct automaton.
7981 Make everything except main static. Do not maintain num_dfa_decls.
7982 Do not maintain state_alts fields of various structures.
7983 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7984 (add_arc): Remove state_alts argument. All callers updated.
7985 (output_reserved_units_table): Emit #ifdef here...
7986 (output_tables): ...not here. Don't generate state_alts tables.
7987 (expand_automata): Don't generate attributes.
7988 (write_automata): Don't generate state_alts functions.
7989 (main): New function.
7990 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7991 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7992 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7993 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7994 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7995 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7996 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7997 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7999 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8000 * genattrtab.h: Delete file.
8001 * Makefile.in (OBJS-common): Add insn-automata.o.
8002 (insn-automata.o): New rule.
8003 (simple_generated_c): Add insn-automata.c.
8004 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8005 (genprogmd): Add automata.
8006 (build/genattrtab): Needs no extra objects nor libraries.
8007 (build/genautomata): Needs build/vec.o and -lm.
8009 2006-01-22 Zack Weinberg <zackw@panix.com>
8011 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8012 (output_dfa_max_issue_rate, locked_states_num): Delete.
8013 (struct automaton): Add locked_states field.
8014 (output_dead_lock_vect): Save number of locked states in
8015 automaton->locked_states. If it is zero, don't print anything.
8016 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8017 (output_internal_dead_lock_func): Only test the dead_lock_vect
8018 for automata that have locked states.
8019 (output_statistics): Always print the number of locked states for
8020 each automaton. Calculate total number of locked states here.
8021 (write_automata): Don't call output_dfa_max_issue_rate.
8022 * genattrtab.c: Define length_unit_log as a const variable.
8023 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8024 max_insn_queue_index const.
8025 * final.c (length_unit_log): Declare const.
8026 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8028 2006-01-22 Zack Weinberg <zackw@panix.com>
8030 * genautomata.c: Include vec.h, not varray.h.
8031 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8032 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8033 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8034 VEC_* macros operating on appropriately typed vectors, or to
8035 malloced arrays when the size is known in advance. Const-ify
8036 many char* variables and function arguments. No functional changes.
8037 * Makefile.in (build/varray.o): Delete rule.
8038 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8039 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8041 2006-01-22 Zack Weinberg <zackw@panix.com>
8043 * gensupport.c: Define get_insn_name and record_insn_name here.
8044 (read_md_rtx): Call record_insn_name as appropriate.
8045 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8046 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8047 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8049 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8050 (BUILD_VARRAY): Delete.
8051 (genprognormal): Rename genprogmd. Fold in all programs from
8052 genprognoprint; also attrtab.
8053 (build/genattrtab): Just mention genautomata.o and varray.o.
8054 Reorganize a bit, add comments to make the categories clearer.
8056 2006-01-22 Zack Weinberg <zackw@panix.com>
8058 * genconditions.c (condition_table, add_condition): Delete.
8059 (write_conditions): Don't emit n_insn_conditions nor
8060 insn_elision_unavailable. Issue the gcc version #ifdef here,
8061 inside the table, with no #else clause ...
8062 (write_header): ...not here.
8063 (write_writer): New function.
8064 (main): Don't initialize condition_table. Use add_c_test.
8066 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8067 files on the command line.
8068 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8069 Return -1 if there is no entry in the table, don't abort.
8070 (add_c_test, traverse_c_tests): New functions.
8071 * gensupport.h (insn_elision_unavailable, insn_conditions)
8072 (n_insn_conditions): Delete declarations.
8073 (add_c_test, traverse_c_tests): Declare.
8074 * read-rtl.c: Include gensupport.h.
8075 (read_conditions): New function.
8076 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8077 (read_rtx_1): If we get EOF when we were looking for an initial
8078 open paren, return 0. Call read_conditions when appropriate.
8079 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8080 dummy-conditions.o. Eliminate references to insn-conditions.o,
8081 or change them to build/gencondmd.o, as appropriate. Remove
8082 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8083 from $(simple_generated_c). For all files remaining in those
8084 two lists, add insn-conditions.md to the generator command line.
8085 Give insn-constants.h/s-constants their own rules. Add rules
8086 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8087 (build/read-rtl.o): Depend on gensupport.h.
8088 (genprognormal): Include preds.
8089 (genprogearly): Rename genprognoprint; only difference is now that
8090 they don't link with $(BUILD_PRINT).
8091 * dummy-conditions.c: Delete.
8093 2006-01-22 Zack Weinberg <zackw@panix.com>
8095 * genextract.c: Don't include insn-config.h. Do include vec.h.
8096 Declare vectors of int, char, and locstr.
8097 (locstr): New typedef.
8098 (struct extraction): Make all array fields into bare pointers.
8099 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8100 (insn_code_number): Delete.
8101 (accum_extract): New struct.
8102 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8103 (gen_insn): Take insn_code_number as an argument. Use an
8104 accum_extract structure instead of loading data directly into
8105 a struct extraction, and having to know how big it might get.
8106 (walk_rtx): Operate entirely on an accum_extract structure.
8107 (print_path): Avoid unnecessary use of printf.
8108 (print_header): New function, split out of main. Distinguish
8109 more carefully between an unrecognizable insn and an insn that
8110 has the code number of a define_expand.
8111 (main): Pass insn_code_number to gen_insn. Call print_header
8112 only after parsing. Avoid unnecessary use of printf.
8113 * Makefile.in (build/vec.o): New rule.
8114 (build/genextract): Depend on build/vec.o.
8115 (build/genextract.o): Don't depend on insn-config.h.
8117 2006-01-22 Zack Weinberg <zackw@panix.com>
8119 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8120 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8121 practical. Eliminate per-generator-program link rules.
8123 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8126 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8127 with a call expr to ...
8128 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8130 2006-01-23 Richard Guenther <rguenther@suse.de>
8132 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8133 before make_edge with conditional EDGE_TRUE_VALUE.
8135 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8136 Jan Hubicka <jh@suse.cz>
8137 Richard Guenther <rguenther@suse.de>
8139 PR rtl-optimization/25654
8140 * cfgexpand.c (aggregate_contains_union_type): New function.
8141 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8142 for structure variables that contain a union type.
8144 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8146 * gengtype.c (new_structure): Return the structure.
8147 (create_option): Add an extra "next" argument.
8148 (create_field): New function.
8149 (adjust_field_rtx_def): Use create_option and create_field.
8150 Remove a now-unnecessary call to find_structure.
8151 (adjust_field_tree_def): Likewise.
8152 (note_yacc_type): Remove an unnecessary call to find_structure.
8153 * gengtype.h (new_structure): Return the structure.
8154 (create_option): Add an extra argument.
8155 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8156 (option): Adjust calls to create_option.
8158 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8160 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8162 2006-01-22 Paul Brook <paul@codesourcery.com>
8163 Peter Barada <peter@the-baradas.com>
8165 * config/m68k/m68k.md: Add Coldfire FPU support.
8166 Define FP mode macro and associated attributes.
8167 Use it for float mode patterns.
8168 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8169 (LIBCALL_VALUE): Use m68k_libcall_value.
8170 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8171 (m68k_function_value): Ditto.
8172 (emit_move_sequence): Ditto.
8173 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8174 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8175 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8176 (MULTILIB_EXCEPTIONS): Ditto.
8177 * config/m68k/m68k.opt: Add mcfv4e.
8178 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8179 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8180 (m68k_output_function_prologue): Save ColdFire FPU registers.
8181 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8182 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8183 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8184 ColdFire FPU registers.
8185 (m68k_libcall_value, m68k_function_value): New functions.
8186 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8187 (LIBCALL_VALUE): Use m68k_libcall_value.
8188 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8189 (MASK_COLDFIRE): Add MASK_CFV4E.
8190 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8191 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8192 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8193 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8194 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8195 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8196 * doc/invoke.tex: Document -mcfv4e on m68k.
8198 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8200 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8203 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8206 * c-opts.c (c_common_handle_option): Don't include
8207 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8208 * doc/invoke.texi (C++ Dialect Options): Document that
8209 -Wnon-virtual-dtor is no longer included in -Wall.
8211 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8213 * gcov.c (print_version), gcov-dump.c (print_version),
8214 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8217 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8219 * df-scan.c (problem_SCAN): Added NULL reset function.
8220 (df_scan_reset_blocks): Added code to call reset block function
8221 (df_bb_refs_delete) Fixed comment.
8222 (df_insn_refs_delete): Made tolerant of deleting non existent info
8223 for dataflow problems that need to be reset.
8224 * df-core.c (df_set_blocks): Ditto.
8225 * df.h (struct df_problem): Added reset_fun.
8226 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8227 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8228 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8229 functions to clear out all references to def-use or use-def chains.
8231 2006-01-21 Ben Elliston <bje@au.ibm.com>
8233 * varasm.c (assemble_real): Initialise data array.
8235 2006-01-20 Paul Brook <paul@codesourcery.com>
8237 Merge from csl-arm-branch.
8238 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8239 * config/arm/arm.md (movdi): Force operands[1] to a register
8240 if we have a non-register source.
8241 (*arm_movdi, *movdf_soft_insn): Require that one of the
8242 operands be a register.
8243 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8244 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8246 2006-01-20 DJ Delorie <dj@redhat.com>
8248 * varasm.c (initialize_constant_valid_p): Allow pointers
8249 initialized from integer constants of lesser precision.
8250 (output_constant): Allow non-int-sized pointer modes to be
8251 initialized from integer constants.
8253 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8256 * cppdefault.h (struct default_include): Add multilib flag.
8257 * cppdefault.c (cpp_include_defaults): Set it.
8258 * c.opt (-imultilib): New option.
8259 * c-opts.c (imultilib): New.
8260 (c_common_handle_option): Handle -imultilib.
8261 (c_common_post_options): Likewise.
8262 * c-incpath.c (add_standard_paths, register_include_chains):
8264 * c-incpath.h (register_include_chains): Add extra parameter.
8265 * gcc.c (do_spec_1): Generate -imultilib option.
8266 (The Specs Language): Update %I description.
8267 (process_command): Update copyright notice.
8268 * doc/cppopts.texi (-imultilib): Document.
8269 * doc/invoke.texi (-imultilib): Include in option summary.
8270 (%I): Update specs documentation.
8272 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8274 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8276 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8278 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8281 2006-01-20 Richard Guenther <rguenther@suse.de>
8282 Steven Bosscher <stevenb.gcc@gmail.com>
8284 PR rtl-optimization/24626
8285 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8286 EDGE_TRUE_VALUE if in RTL mode.
8289 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8290 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8292 2006-01-20 Dirk Mueller <dmueller@suse.com>
8295 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8296 instead of a special NOP marker.
8297 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8298 NOP marker handling.
8299 * c-common.h (empty_body_warning): Add forward declaration.
8300 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8301 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8303 2006-01-20 Paul Brook <paul@codesourcery.com>
8305 * Makefile.in (lang_checks): Keep going if mkdir fails.
8307 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8309 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8310 be able to clean out basic block when not necessary.
8311 (df_scan_free): Fixed to properly delete information if df is
8312 unused before calling df_finish.
8313 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8314 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8316 (df_bb_refs_delete): New function.
8317 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8318 * df-core.c (df_set_blocks): Added code to properly clean out
8319 unused blocks if they are not part of the blocks to consider.
8320 Added additional null check.
8321 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8322 be able to clean out basic block when not necessary
8323 * df.h (df_free_bb_function): Ditto.
8324 (df_bb_refs_delete): New function.
8325 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8326 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8327 basic block parameter to be able to clean out basic block when not
8329 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8330 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8331 Fixed to properly delete information if df is unused before
8334 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8336 PR rtl-optimization/25799
8337 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8338 Corrected confluence operator to remove bits from op2 before oring
8339 with op1 rather than removing bits from op1.
8340 (df_ru_transfer_function): Corrected test on wrong bitmap which
8341 caused infinite loop. Both of these problems were introduced in
8342 the dataflow rewrite.
8344 2006-01-19 DJ Delorie <dj@redhat.com>
8346 * reload1.c (find_reload_regs): Note the details of reload
8347 failures in the dump file.
8348 (spill_failure): Likewise.
8350 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8352 * loop-iv.c: Include df.h and hashtab.h.
8353 (enum iv_grd_result): New enum.
8354 (DF_REF_IV, DF_REF_IV_SET): New macros.
8355 (struct biv_entry): New.
8356 (df, bivs): New global variables.
8357 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8358 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8360 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8361 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8362 analyzed_for_bivness_p, record_biv): New functions.
8363 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8364 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8365 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8367 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8369 (iv_number_of_iterations): Use new interface to iv analysis.
8370 * loop-unroll.c: Do not include varray.h.
8371 (analyze_iv_to_split_insn): Use new interface to iv
8373 * loop-unswitch.c (may_unswitch_on): Ditto.
8374 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8376 (df_bb_modify): Realloc tables to the new index.
8377 (df_find_use): New function.
8378 * df.h (df_find_use): Declare.
8379 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8381 * cfgloop.h (struct rtx_iv): Remove analysed field.
8382 (iv_get_reaching_def): Removed.
8383 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8384 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8385 (loop-iv.o): Add df.h and hashtab.h dependency.
8386 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8388 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8391 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8393 (__floatundisf, __floatundidf): Likewise.
8394 * libgcc2.h (IS_IBM_EXTENDED): Define.
8396 2006-01-19 DJ Delorie <dj@redhat.com>
8398 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8400 2006-01-19 Paul Brook <paul@codesourcery.com>
8402 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8403 as nothrow when unwinding tables are disabled.
8405 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8408 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8409 of bit-field" when in system header.
8411 2006-01-19 DJ Delorie <dj@redhat.com>
8413 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8414 the 16 bit shift limit of the m16c.
8416 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8419 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8420 * config/i386/i386.c (output_set_got): Output the label if we have one
8421 for the TARGET_DEEP_BRANCH_PREDICTION case.
8423 2006-01-19 Jan Hubicka <jh@suse.cz>
8424 H.J. Lu <hongjiu.lu@intel.com>
8425 Evandro Menezes <evandro.menezes@amd.com>
8427 * invoke.texi (generic): Document
8429 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8430 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8431 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8432 (x86_use_incdec, x86_pad_returns): New variables
8433 (TARGET_CPU_DEFAULT_generic): New constant
8434 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8435 (enum processor_type): Add generic32 and generic64.
8436 * i386.md (cpu attribute): Add generic32/generic64
8437 (movhi splitter): Behave sanely when both partial_reg_dependency and
8438 partial_reg_stall are set.
8439 (K8 splitters): Enable for generic as well.
8440 * predicates.md (incdec_operand): Use TARGET_INCDEC
8441 (aligned_operand): Avoid memory mismatch stalls.
8442 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8443 * ppro.md: Enable for generic32
8444 * i386.c (generic64_cost, generic32_cost): New.
8445 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8446 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8447 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8448 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8449 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8450 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8451 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8452 x86_accumulate_outgoing_args, x86_prologue_using_move,
8453 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8454 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8456 (x86_use_incdec, x86_pad_returns): New.
8457 (override_options): Add generic32 and generic64, translate "generic"
8458 to generic32/generic64 and "i686" to "generic32", refuse
8459 "generic32"/"generic64" as arch target.
8460 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8461 (ix86_reorg): Honor PAD_RETURNS.
8463 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8465 * tree-pretty-print.c (dump_generic_node): Handle
8466 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8467 * cgraph.c (cgraph_expand_queue): Rename from
8468 cgraph_analyze_queue. Update all users.
8469 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8470 cgraph_expand_queue.
8471 (cgraph_expand_all_functions): Likewise.
8472 (cgraph_finalize_pending_functions): Remove. Update callers.
8474 * tree.h (OMP_DIRECTIVE_P): Define.
8475 (OMP_PARALLEL_FN): Define.
8476 (OMP_PARALLEL_DATA_ARG): Define.
8477 (OMP_SECTIONS_SECTIONS): Define.
8478 * tree-pass.h (pass_expand_omp): Declare.
8479 * omp-low.c (struct omp_region): Declare.
8480 (struct omp_context): Remove fields 'parallel_type',
8481 'parallel_start_ix' and 'parallel_start_additional_args'.
8483 (struct omp_for_data): Rename from struct expand_omp_for_data.
8484 (omp_regions): New static variable.
8485 (root_omp_region): New static variable.
8486 (find_omp_clause): Make static.
8487 (is_in_combined_parallel_ctx): Remove.
8488 (is_combined_parallel): New.
8489 (extract_omp_for_data): Move earlier in the file.
8490 (workshare_safe_to_combine_p): New.
8491 (get_ws_args_for): New.
8492 (determine_parallel_type): Move earlier in the file.
8493 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8495 (omp_copy_decl): Likewise.
8496 (create_omp_child_function): Likewise.
8497 (lookup_omp_region): New.
8498 (dump_omp_region): New.
8499 (debug_omp_region): New.
8500 (debug_all_omp_regions): New.
8501 (new_omp_region): New.
8502 (scan_omp_parallel): If parallel_nesting_level > 1, the
8503 directive is nested within another parallel directive.
8504 Set OMP_PARALLEL_FN.
8505 (scan_omp_for): Do not try to handle combined parallel+for
8507 Remove FIXME comment.
8508 (scan_omp_nested): Remove.
8509 (scan_omp_1): Do not call scan_omp_nested when
8510 parallel_nesting_level is > 1.
8511 Do not change the DECL_CONTEXT of local variables found.
8512 (lookup_decl_in_outer_ctx): New.
8513 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8514 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8515 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8516 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8517 If CTX is nested, lookup VAR in the outer context when
8518 building copy assignment.
8519 (lower_send_clauses): Rename from expand_send_clauses.
8520 If CTX is nested, lookup VAR in the outer context when
8521 building copy assignments.
8522 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8523 If CTX is nested, lookup VAR in the outer context when
8524 building copy assignments.
8525 (expand_parallel_call): Rename from build_parallel_call.
8526 Handle combined parallel+workshare cases.
8527 Re-implement to emit code into the CFG.
8529 (expand_omp_parallel): Re-implement to emit code into the CFG.
8530 Call move_sese_region_to_fn to outline the sub-graph
8531 containing the parallel region.
8532 (expand_omp_for_1): Remove.
8533 (expand_omp_for_generic): Re-implement to emit code into the
8535 (expand_omp_for_static_nochunk): Likewise.
8536 (expand_omp_for_static_chunk): Likewise.
8537 (expand_omp_for): Likewise.
8538 (expand_omp_sections): Likewise.
8539 (remove_exit_barriers): New.
8540 (expand_omp_synch): New.
8542 (build_omp_regions_1): New.
8543 (build_omp_regions): New.
8544 (execute_expand_omp): New.
8545 (gate_expand_omp): New.
8546 (pass_expand_omp): Define.
8547 (lower_omp_sections): Rename from expand_omp_sections.
8548 Set OMP_SECTIONS_SECTIONS.
8549 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8550 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8551 (lower_omp_single): Rename from expand_omp_simple.
8552 (lower_omp_master): Rename from expand_omp_master.
8553 (lower_omp_ordered): Rename from expand_omp_ordered.
8554 (lower_omp_critical): Rename from expand_omp_critical.
8555 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8556 (lower_omp_for): Re-implement.
8557 (lower_omp_parallel): Re-implement.
8558 (lower_regimplify): Rename from expand_regimplify.
8559 (lower_omp_1): Rename from expand_omp_1.
8560 If there are syntax errors in the program, replace every
8561 OpenMP directive with NOP.
8562 Call lower_omp_* instead of expand_omp_*.
8563 (lower_omp): Rename from expand_omp.
8565 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8566 * tree-gimple.h (enum omp_parallel_type): Remove.
8567 (gimple_boolify): Declare extern.
8568 (find_omp_clause, determine_parallel_type): Remove.
8570 * gimple-low.c (lower_omp_directive): New.
8571 (lower_stmt): Call it.
8572 (record_vars_into): Move from ...
8573 (record_vars): ... here.
8574 Call record_vars_into with current_function_decl.
8576 * gimplify.c (struct gimplify_ctx): Remove fields
8577 combined_pre_p and combined_ctxp. Update users.
8578 (get_formal_tmp_var): Add documentation.
8579 (gimple_boolify): Make extern.
8580 (gimplify_expr_in_ctx): Remove. Update callers.
8581 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8582 will always be a BIND_EXPR.
8583 (gimplify_expr): Handle OMP_RETURN_EXPR.
8584 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8585 (OMP_PARALLEL): Add 3 operands.
8586 (OMP_SECTIONS): Add 1 operand.
8587 (OMP_RETURN_EXPR): Define.
8589 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8590 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8591 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8592 creating a circular free list.
8593 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8595 * tree-flow.h (move_sese_region_to_fn): Declare.
8596 (record_vars_into): Declare.
8597 * tree-cfg.c (make_omp_sections_edges): New.
8598 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8599 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8600 OMP_SECTIONS and OMP_SECTION.
8601 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8602 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8603 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8604 (gather_blocks_in_sese_region): New.
8605 (struct move_stmt_d): Declare.
8607 (move_block_to_fn): New.
8608 (move_sese_region_to_fn): New.
8610 * passes.c (init_optimization_passes): Schedule
8611 pass_expand_omp after pass_init_datastructures.
8613 * tree-ssa-operands.c (get_expr_operands): Handle
8614 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8615 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8617 2006-01-19 Jeff Law <law@redhat.com>
8619 * tree-vrp.c (extract_range_from_assert): Refine the result range
8620 if the variable referenced by the ASSERT_EXPR has a range and
8621 either the tentative result range or the previous range is a
8624 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8626 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8628 2006-01-19 Jan Hubicka <jh@suse.cz>
8630 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8632 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8634 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8635 (expand_compound_operation, expand_field_assignment): Fail if the
8636 bit lengths of an extract operation are out of range.
8637 (make_extraction): Compute wanted_inner_mode based on the position
8638 and length of the extraction. Make it extraction_mode for non-constant
8639 positions, and do not modify offset in that case. When generating a
8640 new MEM, use a mode that can hold the extraction while keeping correct
8641 alignment. Remove code that supported MEMs wrapped by USEs.
8642 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8644 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8646 * config/s390/s390.md ("Y", "y"): New mode attribute.
8647 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8648 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8649 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8650 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8651 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8652 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8653 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8654 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8655 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8656 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8657 "addsi3", "subsi3"): Insn patterns removed.
8658 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8659 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8660 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8661 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8662 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8663 "*sub<mode>3_cconly2"): New insn patterns.
8664 ("addsi3", "subsi3"): New expanders.
8666 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8668 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8669 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8670 existing STMT_VINFO_VECTYPE if available.
8671 (vect_mark_relevant): Add special handling for stmts that are
8672 marked as STMT_VINFO_IN_PATTERN_P.
8673 (vect_analyze_loop): Call vect_pattern_recog.
8674 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8675 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8677 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8678 (vect_recog_func_ptr): New function-pointer type.
8679 * tree-vect-patterns.c: New file.
8680 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8681 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8682 (vect_pattern_recog_1): New functions.
8683 (vect_pattern_recog_funcs): New array of function pointers.
8685 * tree-vectorizer.h (ternary_op): New enum value.
8686 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8687 declaration. Revised documentation. Removed redundant dump prints.
8688 Removed redundant argument. Added support for reduction patterns.
8689 (vectorizable_reduction): Added support for reduction patterns.
8690 (vect_transform_stmt): Added support for patterns.
8692 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8693 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8694 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8695 (expand_widen_pattern_expr): New function.
8696 (init_optabs): Initialize new optabs udot_prod_optab,
8698 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8699 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8700 (expand_widen_pattern_expr): New function declaration.
8701 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8703 * tree-inline.c (estimate_num_insns_1): Added cases for new
8704 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8705 * tree-pretty-print.c (dump_generic_node): Likewise.
8706 (op_prio): Likewise.
8707 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8708 * tree-ssa-operands.c (get_expr_operands): Added case for
8710 * tree-vect-patterns.c (widened_name_p): New function.
8711 (vect_recog_dot_prod_pattern): Added function implementation.
8712 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8713 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8714 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8715 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8717 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8718 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8719 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8720 (init_optabs): Initialize new optabs widen_ssum_optab,
8722 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8723 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8724 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8725 use instead of type of def.
8726 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8727 function implementation.
8728 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8729 widen_ssumv8hi): New.
8731 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8734 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8737 * c-decl.c (add_flexible_array_elts_to_size): New function.
8738 (finish_decl): Use it.
8740 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8742 * diagnostic.h: Include options.h.
8743 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8744 dependancies for diagnostic.h.
8745 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8747 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8749 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8750 (ssa_ro_call_cache_valid): Ditto.
8751 * tree-ssa-alias.c (sort_tags_by_id): New function.
8752 (init_transitive_clobber_worklist): Ditto.
8753 (add_to_worklist): Ditto.
8754 (mark_aliases_call_clobbered): Ditto.
8755 (compute_tag_properties): Ditto.
8756 (set_initial_properties): Ditto.
8757 (compute_call_clobbered): Ditto.
8758 (compute_may_aliases): Call compute_call_clobbered and grouping.
8759 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8760 (compute_flow_insensitive_aliasing): Grouping now happens in our
8762 (setup_pointers_and_addressables): Remove clobbering related code.
8763 (add_may_alias): Ditto.
8764 (replace_may_alias): Ditto.
8765 (get_nmt_for): Ditto.
8766 (create_global_var):
8767 (is_escape_site): Return an escape_type enumeration.
8768 * tree-flow-inline.h (is_call_clobbered): Global var does not
8769 imply call clobbered.
8770 (mark_call_clobbered): Take a reason for marking this. Remove
8771 marking of globalness, and cache invalidation.
8772 (clear_call_clobbered): Remove cache invalidation code.
8773 * tree-dfa.c (dump_variable): If details is on, dump the reason
8775 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8777 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8778 (struct var_ann_d): Ditto.
8779 (enum escape_type): New.
8780 (mark_call_clobbered): Adjust prototype.
8781 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8782 are never call clobbered.
8783 Record reasons for escaping.
8784 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8785 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8786 (ssa_ro_call_cache_valid): Ditto.
8787 (clobbered_v_may_defs): Ditto.
8788 (clobbered_vuses): Ditto.
8789 (ro_call_vuses): Ditto.
8790 (clobber_stats): New.
8791 (init_ssa_operands): Zero out clobber stats.
8792 (fini_ssa_operands): Print out clobber stats.
8793 (get_call_expr_operands): Pass callee fndecl to
8795 (add_call_clobber_ops): Remove use of cache.
8796 Add use of PURE_CONST information.
8797 (add_call_read_ops): Remove use of cache.
8798 Add use of static not_read information.
8800 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8802 Introduce TLS descriptors for i386 and x86_64.
8803 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8804 (TARGET_ANY_GNU_TLS): New macro.
8805 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8806 (struct machine_function): Add tls_descriptor_call_expanded_p.
8807 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8808 (ix86_current_function_calls_tls_descriptor): Likewise.
8809 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8810 (override_options): Introduce gnu2 tls dialect.
8811 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8813 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8815 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8816 (ix86_init_machine_status): Initialize new field.
8817 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8818 (ix86_tls_module_base): New.
8819 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8820 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8821 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8822 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8823 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8824 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8825 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8826 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8827 * config/i386/predicates.md (tls_modbase_operand): New.
8828 (tp_or_register_operand): New.
8830 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8832 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8833 (look_for_address_of): Ditto.
8834 (ipa_init): Walk the function decls.
8835 (static_execute): Don't set readonly on FUNCTION_DECL's.
8837 2006-01-18 Roger Sayle <roger@eyesopen.com>
8839 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8840 for shifts where the source and destination registers are different.
8842 2006-01-18 Paul Brook <paul@codesourcery.com>
8844 Merge from csl-arm-branch.
8845 2005-03-14 Julian Brown <julian@codesourcery.com>
8846 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8847 (aeabi_llsl): Likewise.
8848 (ashrdi3): Likewise.
8849 (aeabi_lasr): Likewise.
8850 (lshrdi3): Likewise.
8851 (aeabi_llsr): Likewise.
8852 2005-03-10 Julian Brown <julian@codesourcery.com>
8853 * config.gcc: Disable shared libgcc for SymbianOS.
8854 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8856 2006-01-18 DJ Delorie <dj@redhat.com>
8858 * c-pragma.c (handle_pragma_diagnostic): New.
8859 (init_pragma): Register it.
8860 * doc/extend.texi: Document it.
8862 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8863 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8864 (diagnostic_context): Add classify_diagnostic[].
8865 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8866 as errors if they're overridden to DK_WARNING.
8867 (diagnostic_initialize): Initialize classify_diagnostic[].
8868 (diagnostic_set_kind_override): New.
8869 (diagnostic_report_diagnostic): Check for kind changes.
8870 * opts.c (common_handle_option): Take lang_mask. Update callers.
8872 * common.opt (Werror=): New.
8873 * doc/invoke.texi: Document -Werror=*
8875 2006-01-18 Jeff Law <law@redhat.com>
8877 * tree-vrp.c (test_for_singularity): Correct test for new
8878 min limit. Use operand_equal_p rather than pointer equality
8879 for testing if new min/max values are equal.
8881 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8882 using range information until after propagation and folding.
8884 2006-01-18 Richard Henderson <rth@redhat.com>
8885 Aldy Hernandez <aldyh@redhat.com>
8886 Jakub Jelinek <jakub@redhat.com>
8887 Diego Novillo <dnovillo@redhat.com>
8889 * omp-low.c: New file.
8890 * c-omp.c: New file.
8892 2006-01-18 Richard Henderson <rth@redhat.com>
8893 Jakub Jelinek <jakub@redhat.com>
8894 Diego Novillo <dnovillo@redhat.com>
8896 * doc/invoke.texi: Document -fopenmp.
8897 * tree-dump.h (debug_function): Declare.
8898 * hooks.c (hook_bool_tree_bool_false): New function.
8899 (hook_tree_tree_null): Remove.
8900 (hook_tree_tree_tree_null): New.
8901 * hooks.h: Update to match.
8902 * tree-pretty-print.c (debug_tree_chain): New.
8903 (print_generic_expr): Handle TDF_CHAIN.
8904 (dump_generic_node): Handle BLOCK.
8905 Do not abort with incomplete SWITCH_EXPRs.
8906 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8907 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8908 print space after directive name.
8909 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8910 Handle OMP_MASTER and OMP_ORDERED.
8911 Handle printing of OMP_BODY just in one place, goto
8912 dump_omp_body in the rest of OMP_* nodes that have
8914 Don't handle clause nodes here. Update omp statements to
8915 use dump_omp_clauses.
8916 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8917 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8918 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8919 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8920 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8921 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8922 Adjust output for GOMP_PARALLEL.
8923 (dump_omp_clauses): New.
8924 (print_declaration): Dump DECL_VALUE_EXPR.
8925 (op_symbol_1): Split out of op_symbol.
8926 (dumping_stmts): Remove. Update all users.
8927 * cgraph.c (cgraph_analyze_queue): New.
8928 (cgraph_add_new_function): New.
8929 * cgraph.h (cgraph_analyze_queue): Declare.
8930 (cgraph_add_new_function): Declare.
8931 (cgraph_lower_function): Remove.
8932 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8933 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8934 and TYPE_P nodes in its default clause.
8935 (empty_body_p): New.
8936 (tree_range_check_failed): New.
8938 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8939 OMP_CLAUSE_REDUCTION_MERGE,
8940 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8941 OMP_CLAUSE_PRIVATE_DEBUG,
8942 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8943 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8944 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8945 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8946 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8947 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8948 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8949 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8950 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8951 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8952 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8953 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8954 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8955 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8956 (TREE_RANGE_CHECK): New.
8957 (empty_body_p): Declare.
8958 (enum omp_clause_default_kind): New.
8959 (build_string_literal): Declare.
8960 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8961 (build5_stat, build5): Declare.
8962 * tree-pass.h (TDF_CHAIN): Define.
8963 * tree-pass.h (PROP_gimple_lomp): Define.
8964 (pass_lower_omp): Declare.
8965 * diagnostic.h (debug_tree_chain): Declare.
8966 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8968 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8969 * builtins.c (build_string_literal): Make extern.
8970 * gcc.c (include_spec_function): New.
8971 (static_spec_functions): Add it.
8972 (main): Move load of libgomp.spec ...
8973 (LINK_COMMAND_SPEC): ... here.
8974 (link_gomp_spec): New.
8975 (static_specs): Include it.
8976 (LINK_COMMAND_SPEC): Add link_gomp.
8977 (GOMP_SELF_SPECS): New.
8978 (driver_self_specs): Include it.
8979 (switch_matches): Don't mark inline.
8980 (main): Load libgomp.spec.
8981 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8982 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8983 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8984 * tree-gimple.h (enum omp_parallel): Declare.
8985 (determine_parallel_type): Declare.
8986 (omp_firstprivatize_variable): Declare.
8987 (omp_reduction_init): Declare.
8988 (diagnose_omp_structured_block_errors): Declare.
8989 (struct walk_stmt_info): Add want_return_expr.
8990 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8991 (find_omp_clause): Declare.
8992 (insert_field_into_struct): Declare.
8993 (struct walk_stmt_info): Move from tree-nested.c
8994 (walk_stmts): Declare.
8995 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8997 * cgraphunit.c (cgraph_lower_function): Make static.
8998 (cgraph_finalize_pending_functions): New.
8999 (cgraph_finalize_function): Call it.
9000 (cgraph_finalize_compilation_unit): Likewise.
9001 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9002 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9003 (BT_FN_UINT_UINT): New.
9004 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9005 DEF_FUNCTION_TYPE_VAR_4): Document.
9006 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9007 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9008 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9009 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9010 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9011 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9012 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9013 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9014 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9015 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9016 into separate files.
9017 (DEF_GOMP_BUILTIN): New.
9018 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9019 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9020 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9021 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9022 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9023 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9024 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9025 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9026 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9027 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9028 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9029 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9030 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9031 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9032 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9033 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9034 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9035 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9036 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9037 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9038 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9039 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9040 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9041 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9042 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9043 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9044 * sync-builtins.def: New file, moved from builtins.def.
9045 * omp-builtins.def: New file, moved from builtins.def.
9046 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9047 * gimple-low.c (lower_function_body): Clear data.
9048 (lower_stmt): Do not handle COMPOUND_EXPR.
9049 Remove call to print_node_brief.
9050 * c-tree.h (c_finish_omp_clauses): New prototype.
9051 (C_DECL_THREADPRIVATE_P): Define.
9052 (lookup_name_no_remap, c_omp_remap_private): Remove
9053 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9054 (check_for_loop_decls): Update decl.
9055 (lookup_name_no_remap, c_omp_remap_private): Declare.
9056 (build_indirect_ref, build_modify_expr, pushdecl,
9057 pushdecl_top_level): Move to c-common.h.
9058 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9059 before the switch, but just in the 2 places that need it.
9060 * c-decl.c (diagnose_mismatched_decls): Do not check for
9061 mismatched thread-local attributes when OLDDECL is marked
9062 threadprivate and NEWDECL has no thread-local attributes.
9063 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9064 (c_gimple_diagnostics_recursively): Rename from
9065 c_warn_unused_result_recursively. Invoke
9066 diagnose_omp_structured_block_errors.
9067 (check_for_loop_decls): Return a singular decl found.
9068 * langhooks.c (lhd_omp_predetermined_sharing): Return
9069 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9070 (lhd_omp_firstprivatize_type_sizes): New.
9071 (lhd_omp_assignment): New.
9072 (lhd_omp_predetermined_sharing): New.
9073 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9074 (struct lang_hooks_for_types): Add
9075 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9076 omp_predetermined_sharing, omp_disregard_value_expr,
9077 omp_private_debug_clause, omp_clause_default_ctor,
9078 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9079 (c_finish_omp_clauses): New.
9080 (c_finish_bc_stmt): Diagnose break within omp for.
9081 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9082 (build_unary_op): Return error_mark after reporting
9084 (build_modify_expr): Likewise.
9085 * gimplify.c: Include optabs.h and pointer-set.h.
9086 (enum gimplify_omp_var_data): Declare.
9087 (struct gimplify_omp_ctx): Declare.
9088 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9090 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9091 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9092 (splay_tree_compare_decl_uid): New.
9093 (new_omp_context): New.
9094 (delete_omp_context): New.
9095 (gimple_add_tmp_var): Call omp_add_variable.
9096 (gimplify_bind_expr): Likewise.
9097 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9098 true, disregard DECL_VALUE_EXPR on the decl if any.
9099 (gimplify_expr_in_ctx): New.
9100 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9101 omp_add_variable, omp_notice_variable, omp_is_private
9102 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9103 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9104 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9105 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9106 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9107 gimplify_omp_atomic): New.
9108 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9109 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9110 OMP_CRITICAL and OMP_ATOMIC.
9111 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9112 * c-pragma.h (enum pragma_kind): Add
9113 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9114 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9115 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9116 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9117 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9118 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9119 PRAGMA_OMP_THREADPRIVATE.
9120 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9121 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9122 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9123 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9124 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9125 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9126 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9127 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9128 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9129 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9130 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9131 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9132 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9134 (struct nesting_info): Add field_map,
9135 suppress_expansion, debug_var_chain.
9136 (create_nesting_tree): Initialize them.
9137 (lookup_field_for_decl): Use field_map.
9138 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9139 (convert_local_omp_clauses): New.
9140 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9141 (walk_body): Split out of walk_function.
9142 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9143 (convert_nonlocal_reference): Handle omp statements.
9144 (convert_local_reference): Likewise.
9145 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9146 (unnest_nesting_tree): New.
9147 (lower_nested_functions): Call it.
9148 (insert_field_into_struct): Make extern.
9149 (struct walk_stmt_info): Move to tree-gimple.h.
9150 (walk_stmts): Make extern.
9151 * omp-builtins.def: New file.
9152 * tree-iterator.c (expr_only): Clarify comment.
9153 * c-common.h (pushdecl_top_level, pushdecl,
9154 build_modify_expr, build_indirect_ref,
9155 c_finish_omp_master, c_finish_omp_critical,
9156 c_finish_omp_ordered, c_finish_omp_barrier,
9157 c_finish_omp_atomic, c_finish_omp_flush,
9158 c_finish_omp_for, c_split_parallel_clauses,
9159 omp_clause_default_kind, c_omp_sharing_predetermined,
9160 c_omp_remap_decl): Declare.
9161 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9162 (OBJS-common): Add omp-low.o.
9163 (c-omp.o, omp-low.o): Add.
9164 (gimplify.o): Add dependency on $(OPTABS_H).
9165 (GTFILES): Add omp-low.c.
9166 (gt-stringpool.h): Add.
9167 * tree-cfg.c (set_bb_for_stmt): Do not update the
9168 block-to-labels map if we are currently expanding to RTL.
9169 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9171 Handle IDENTIFIER_NODE.
9172 (tree_verify_flow_info): Do not ICE when emitting error
9173 messages about invalid labels.
9174 (dump_function_to_file): Reset CFUN before emitting the body
9176 (debug_function): New.
9177 * passes.c (init_optimization_passes): Schedule
9179 * langhooks-def.h (lhd_omp_predetermined_sharing,
9180 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9182 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9183 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9184 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9185 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9186 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9187 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9188 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9189 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9190 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9191 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9192 (LANG_HOOK_DECLS): Use them.
9194 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9195 Richard Henderson <rth@redhat.com>
9196 Jakub Jelinek <jakub@redhat.com>
9197 Diego Novillo <dnovillo@redhat.com>
9199 * c-parser.c (pragma_omp_clause): Define.
9200 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9201 (c_parser_compound_statement): Likewise.
9202 (c_parser_statement): Likewise.
9203 (c_parser_pragma): Handle omp pragmas.
9204 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9205 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9206 (c_parser_omp_clause_name, check_no_duplicate_clause,
9207 c_parser_omp_variable_list,
9208 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9209 c_parser_omp_clause_copyprivate,
9210 c_parser_omp_clause_default,
9211 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9212 c_parser_omp_clause_lastprivate,
9213 c_parser_omp_clause_nowait,
9214 c_parser_omp_clause_num_threads,
9215 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9216 c_parser_omp_clause_reduction,
9217 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9218 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9219 c_parser_omp_atomic, c_parser_omp_barrier,
9220 c_parser_omp_critical, c_parser_omp_flush,
9221 c_parser_omp_for_loop, c_parser_omp_for,
9222 c_parser_omp_master, c_parser_omp_ordered,
9223 c_parser_omp_sections_scope, c_parser_omp_sections,
9224 c_parser_omp_parallel, c_parser_omp_single,
9225 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9226 * c-pragma.c (init_pragma): Do omp pragma registration here.
9227 * c.opt (fopenmp): New flag.
9229 2006-01-18 Eric Christopher <echristo@apple.com>
9231 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9232 * config/darwin.h (GOMP_SELF_SPECS): Define.
9234 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9236 * rtl.h: Remove the prototype for reg_alloc.
9238 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9241 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9242 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9243 sjlj and dwarf2 exception handling.
9244 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9245 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9246 * pa/pa.c (function_value): Treat complex and vector types as
9248 (function_arg): Likewise. Only pass scalar floats in the floating
9249 point argument registers.
9250 * pa/t-slibgcc-dwarf-ver: New file.
9251 * pa/t-slibgcc-sjlj-ver: New file.
9252 * pa/t-slibgcc-elf-ver: Delete file.
9254 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9256 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9257 unlikely_test_section_p test.
9259 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9261 * mode-switching.c (optimize_mode_switching): Make it static.
9262 * basic-block.h: Remove the prototype for
9263 optimize_mode_switching.
9265 * modulo-sched.c (sms_schedule): Make it static.
9266 * rtl.h: Remove the prototype for sms_schedule.
9268 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9269 * rtl.h: Remove the prototype for gcse_after_reload_main.
9271 * reg-stack.c (reg_to_stack): Make it static.
9272 * rtl.h: Remove the prototype for reg_to_stack.
9274 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9276 * rtl.h: Remove the prototypes for regrename_optimize and
9277 copyprop_hardreg_forward.
9279 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9281 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9282 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9283 Test against the appropriate null constant for the mode.
9284 If 'fixup_overlap' is true, swap the operands if they overlap.
9285 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9286 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9287 alpha_split_tmode_pair and adjust for above change.
9288 * config/alpha/alpha.md (movtf_internal): Adjust call to
9289 alpha_split_tfmode_pair and rely on it to swap the operands.
9290 (movti_internal): New insn and post-reload splitter.
9291 (movti): New expander.
9293 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9295 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9298 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9300 * rtlanal.c (global_reg_mentioned_p_1,
9301 global_reg_mentioned_p): Remove.
9302 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9304 * flow.c (initialize_uninitialized_subregs): Make it static.
9305 * rtl.h: Remove the prototype for
9306 initialize_uninitialized_subregs.
9308 * function.c (instantiate_virtual_regs): Make it static.
9309 * function.h: Remove the prototype for
9310 instantiate_virtual_regs.
9312 * regmove.c (regmove_optimize, combine_stack_adjustments):
9314 * rtl.h: Remove the prototypes for regmove_optimize and
9315 combine_stack_adjustments.
9317 2006-01-17 Roger Sayle <roger@eyesopen.com>
9319 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9320 (size_cost): Encode costs in bytes so that a reg-reg addition is
9321 equivalent to COSTS_N_INSNS(1).
9322 (override_options): Use the size_cost.branch_cost as the default
9323 ix86_branch_cost when optimizing for size.
9325 2006-01-18 Ben Elliston <bje@au.ibm.com>
9327 * Makefile.in (D32PBIT_FUNCS): New.
9328 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9329 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9330 D64PBIT_FUNCS and D128PBIT_FUNCS.
9331 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9332 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9334 (decnumber_dep): Define.
9335 * doc/libgcc.texi (Decimal float library routines): New node.
9336 * config/dfp-bit.h, config/dfp-bit.c: New files.
9338 2006-01-18 Ben Elliston <bje@au.ibm.com>
9340 * expr.c (emit_move_change_mode): Always adjust addresses, not
9341 just during reload. Copy replacements only during reload.
9342 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9343 emit_move_via_integer.
9345 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9347 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9348 instead of $(srcdir) and ${srcdir}.
9350 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9354 * arm.h (struct machine_function): Add pic_reg.
9355 * arm.c (arm_pic_register): Make unsigned.
9356 (arm_override_options): Only set arm_pic_register if
9357 TARGET_SINGLE_PIC_BASE.
9358 (use_return_insn): Only test for a pic register if it is fixed.
9359 (arm_compute_save_reg0_reg12_mask): Likewise.
9360 (thumb_compute_save_reg_mask): Likewise.
9361 (legitimate_pic_operand): Factor out some known invariants.
9362 (legitimize_pic_address): If we don't have a fixed pic register,
9363 then set up a pseudo in the function entry sequence. Handle the
9364 pic base being in a pseudo.
9365 (arm_load_pic_register): Handle the pic register being in a pseudo.
9366 (arm_expand_prologue): Only set up the pic register if it is fixed.
9367 (thumb_expand_prologue): Likewise.
9368 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9369 (pic_load_addr_based_insn): Likewise.
9370 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9373 2006-01-18 Ben Elliston <bje@au.ibm.com>
9375 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9376 decimal float modes for all floating point registers.
9378 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9379 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9381 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9384 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9385 even when the pointer is not NULL.
9387 2006-01-16 Ian Lance Taylor <ian@airs.com>
9389 * common.opt (ftoplevel-reorder): New option.
9390 * cgraph.c (cgraph_asm_nodes): New global variable.
9391 (cgraph_asm_last_node): New static variable.
9392 (cgraph_order): New global variable.
9393 (cgraph_create_node): Set new order field.
9394 (cgraph_varpool_node): Likewise.
9395 (decide_is_variable_needed): Return true if not
9396 flag_toplevel_reorder.
9397 (cgraph_add_asm_node): New function.
9398 * cgraph.h (struct cgraph_node): Add order field.
9399 (struct cgraph_varpool_node): Add order field.
9400 (struct cgraph_asm_node): Define.
9401 (cgraph_asm_nodes, cgraph_order): Declare.
9402 (cgraph_add_asm_node): Declare.
9403 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9405 (cgraph_varpool_assemble_pending_decls): Call it.
9406 (cgraph_output_pending_asms): New static function.
9407 (cgraph_finalize_compilation_unit): Call it.
9408 (struct cgraph_order_sort): Define.
9409 (cgraph_output_in_order): New static function.
9410 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9411 !flag_toplevel_reorder case.
9412 * c-parser.c: Include "cgraph.h".
9413 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9415 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9416 than -fno-unit-at-a-time.
9417 * doc/invoke.texi (Option Summary): Mention
9418 -fno-toplevel-reorder.
9419 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9420 -funit-at-a-time documentation.
9422 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9423 Kazu Hirata <kazu@codesourcery.com>
9425 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9427 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9429 * Makefile.in (FUNCTION_H): New. Use it instead of
9430 function.h throughout the file.
9431 * function.h: Include tree.h.
9433 2006-01-17 Ben Elliston <bje@au.ibm.com>
9435 * recog.c: Separate some functions with whitespace.
9437 2006-01-16 Richard Henderson <rth@redhat.com>
9439 Merge from gomp branch:
9440 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9441 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9442 and rename from struct inline_data. Rename callee* to dst*;
9443 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9444 transform_new_cfg, transform_return_to_modify, and
9445 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9447 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9448 (copy_decl_for_dup): Remove.
9449 * tree-inline.c (struct inline_data): Move to header.
9450 (insert_decl_map): Export.
9451 (remap_decl): Update for member name changes. Use copy_decl hook.
9452 Allow for replacement to be a non-decl. Remove dead code.
9453 (remap_type_1): Check for existing mapping.
9454 (remap_type): Export.
9455 (remap_decls): Update for member name changes.
9456 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9457 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9458 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9459 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9460 (tree_function_versioning, build_duplicate_type): Likewise.
9461 (copy_body_r): Likewise. Export.
9462 (copy_decl_for_dup): Split into ...
9463 (copy_decl_for_dup_finish, copy_decl_to_var,
9464 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9465 (replace_ref_tree, inlining_p): Remove.
9467 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9469 * ifcvt.c (if_convert): Make it static.
9470 * rtl.h: Remove the prototype for if_convert.
9472 * local-alloc.c (local_alloc): Make it static.
9473 * rtl.h: Remove the prototype for local_alloc.
9475 * loop.c (loop_optimize): Make it static.
9476 * cfgloop.h: Remove the prototype for loop_optimize.
9479 2006-01-16 DJ Delorie <dj@redhat.com>
9481 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9484 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9486 * pa.md: Disparage copies between general and floating-point registers
9487 in 32-bit move patterns.
9489 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9492 * Makefile.in (check-%): Depend on site.exp instead of
9493 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9496 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9498 * global.c (global_alloc): Make it static.
9499 * rtl.h: Remove the prototype for global_alloc.
9501 2006-01-16 Richard Guenther <rguenther@suse.de>
9503 * tree-ssa-alias.c (struct used_part): Add write_only field.
9504 (get_or_create_used_part_for): Initialize it to true.
9505 (create_overlap_variables_for): Don't create structure variables
9506 for structures that only are written to.
9507 (find_used_portions): Handle MODIFY_EXPR to track whether a
9508 structure is only written to.
9510 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9512 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9514 * basic-block.h: Remove the prototype for
9515 partition_hot_cold_basic_blocks.
9517 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9519 * cppspec.c (lang_specific_spec_functions): Remove.
9520 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9521 * gcc.h (lang_specific_spec_functions): Remove.
9522 * gccspec.c (lang_specific_spec_functions): Remove.
9524 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9526 * combine.c (record_value_for_reg): Invalidate registers
9528 (record_dead_and_set_regs_1): Likewise, by passing them to
9529 record_value_for_reg.
9530 (record_dead_and_set_regs): Invalidate stores made by a
9531 call. We do not combine across a call, but we still
9532 relied on equivalences.
9534 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9536 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9537 vrp_int_const_binop returning non-constant nodes.
9539 2006-01-16 Paul Brook <paul@codesourcery.com>
9541 * config/m68k/m68k.c (output_move_const_into_data_reg):
9542 Output correct mnemonic for mvz and mvs.
9544 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9546 * rtl-factoring.c: Add sequence abstraction algorithm.
9547 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9548 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9550 (block_has_preserve_label): New function.
9551 * common.opt: Register new pass.
9552 * Makefile.in: Ditto.
9554 * timevar.def: Ditto.
9555 * tree-pass.h: Ditto.
9556 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9557 * rtl.h (make_jump_insn_raw): Add forward decl.
9558 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9560 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9561 Roger Sayle <roger@eyesopen.com>
9563 * fold-const.c (fold_minmax): New static function.
9564 (fold_binary) <MIN_EXPR>: Call it.
9565 <MAX_EXPR>: Likewise.
9566 * stor-layout.c (place_field): Use DECL_SIZE consistently
9567 in the computation of the new record size.
9569 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9571 * cse.c (cse_condition_code_reg): Make it static.
9572 * rtl.h: Remove the prototype for cse_condition_code_reg.
9574 * combine.c (combine_instructions): Make it static.
9575 * rtl.h: Remove the prototype for combine_instructions.
9577 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9580 * tree.c (get_file_function_name_long): Concatenate the first global
9581 object name with a string derived from the input filename of the object
9584 2006-01-16 Ben Elliston <bje@au.ibm.com>
9586 * config/i386/winnt-stubs.c: Update FSF address.
9587 * config/xtensa/ieee754-df.S: Ditto.
9588 * config/xtensa/ieee754-sf.S: Ditto.
9590 2006-01-14 Ian Lance Taylor <ian@airs.com>
9592 * ifcvt.c (noce_init_if_info): New static function, broken out of
9593 noce_process_if_block.
9594 (noce_process_if_block): Call noce_init_if_info.
9595 (check_cond_move_block): New static function.
9596 (cond_move_process_if_block): New static function.
9597 (process_if_block): Call cond_move_process_if_block.
9599 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9601 * cselib.c (hash_table): Rename to cselib_hash_table.
9602 (cselib_clear_table, discard_useless_values,
9603 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9604 cselib_init, cselib_finish): Adjust uses of hash_table.
9606 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9608 PR tree-optimization/25485
9609 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9610 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9611 is known to be false and true, respectively.
9613 2006-01-14 Richard Guenther <rguenther@suse.de>
9615 PR tree-optimization/22548
9616 PR tree-optimization/22555
9617 PR tree-optimization/22501
9618 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9619 * params.def (salias-max-array-elements): New parameter.
9620 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9621 * doc/invoke.texi (salias-max-array-elements): Document.
9622 * tree-flow-inline.h (var_can_have_subvars): We also handle
9624 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9626 * tree-ssa-structalias.c (params.h): Include.
9627 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9628 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9629 (get_constraint_for): For ADDR_EXPR operating on something
9630 containing an ARRAY_REF, add all subvars to the solution.
9631 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9632 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9633 for creating MUST_DEFs.
9634 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9636 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9638 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9640 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9641 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9642 number_of_iterations_le): New functions.
9643 (number_of_iterations_special): Removed.
9644 (number_of_iterations_exit): Do not use number_of_iterations_special.
9645 * tree.c (unsigned_type_for): Always return integer type.
9647 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9648 Richard Guenther <rguenther@suse.de>
9650 PR rtl-optimization/24257
9651 * gcse.c (find_moveable_store): Only consider a store movable
9652 when the SET_SRC of the insn can be assigned to a register.
9654 2006-01-14 Ian Lance Taylor <ian@airs.com>
9656 * tree.c (tree_not_class_check_failed): New function.
9657 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9658 (tree_not_class_check_failed): Declare.
9660 2006-01-13 Ian Lance Taylor <ian@airs.com>
9662 * reload1.c (do_output_reload): Add assertion rejecting a
9665 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9667 * combine.c (struct reg_stat): Add new fields truncation_label and
9669 (record_value_for_reg): Reset truncated_to_mode.
9670 (record_truncated_value): New function.
9671 (check_promoted_subreg): Call it. Rename to check_conversions.
9672 (combine_instructions): Rename check_promoted_subreg to
9674 (reg_truncated_to_mode): New function.
9675 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9676 (gen_lowpart_or_truncate): New function.
9677 (force_to_mode): Use it instead of gen_lowpart.
9679 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9681 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9682 VAR is a tag, not its type tag.
9684 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9686 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9687 alternatives to match style of other entries.
9688 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9690 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9692 PR tree-optimization/25771
9693 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9696 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9699 * tree-inline.c (declare_return_variable): If the return variable
9700 was marked as a non gimple complex, set the return slot variable
9701 to be a non gimple comple variable.
9703 2006-01-13 Richard Guenther <rguenther@suse.de>
9705 * builtins.c (expand_builtin_sincos): New function.
9706 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9708 (expand_builtin): Expand sincos using expand_builtin_sincos.
9710 2006-01-12 DJ Delorie <dj@redhat.com>
9712 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9713 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9714 so that constant shifts can be split.
9715 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9716 (m32c_valid_pointer_mode): Make static.
9717 (shift_gen_func_for): New.
9718 (m32c_prepare_shift): Use it. Split large const shifts into
9720 * config/m32c/predicates.md (shiftcount_operand): Allow more
9722 (longshiftcount_operand): New.
9723 * doc/md.texi (Machine Constraints): Document In6.
9725 2006-01-13 Ben Elliston <bje@au.ibm.com>
9727 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9728 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9731 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9733 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9734 to try to avoid clobbering pieces of structures when we know
9735 something about the whole structure.
9736 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9738 2006-01-13 Ben Elliston <bje@au.ibm.com>
9740 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9741 return in memory, as this is no limitation is no longer present.
9743 2006-01-12 DJ Delorie <dj@redhat.com>
9745 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9746 mova with fb, and for fb+0 -> An.
9748 * config/m32c/mov.md (peephole2): Fix enabling logic.
9750 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9751 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9752 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9753 FINI_ARRAY_SECTION_ASM_OP): Define.
9755 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9757 (m32c_legitimize_reload_address): New logic to reload FB to An.
9758 (m32c_output_reg_push): Add newline.
9759 (m32c_output_reg_pop): Likewise.
9761 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9763 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9765 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9767 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9769 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9771 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9774 2006-01-11 Ben Elliston <bje@au.ibm.com>
9776 * rtlanal.c (find_reg_note): Assert insn is not null.
9778 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9780 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9783 2006-01-11 Jeff Law <law@redhat.com>
9785 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9787 (mark_threaded_blocks, register_jump_thread): New functions.
9788 (thread_through_all_blocks): Remove unwanted argument. No
9789 longer rely on e->aux to communicate thread target info.
9790 Call mark_threaded_blocks. Release the threaded_blocks
9791 bitmap and threaded_edges vector when complete.
9792 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9793 (threaded_blocks): Remove.
9794 (tree_ssa_dominator_optimize): Remove initialization and
9795 finalization of threaded_blocks. Simplify call to
9796 thread_through_all_blocks.
9797 (thread_across_edge): Call register_jump_thread rather than
9798 storing thread information into e->aux.
9799 (free_all_edge_infos): Simplify now that e->aux is no longer
9800 used to communicate with thread_through_all_blocks.
9801 * tree-flow.h (thread_through_all_blocks): Update prototype.
9802 (register_jump_thread): Prototype.
9804 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9806 * df-core.c (df_compact_blocks, df_bb_replace): Use
9807 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9809 2006-01-11 Richard Guenther <rguenther@suse.de>
9811 PR tree-optimization/25734
9812 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9813 stop propagation after successful propagation to the LHS.
9815 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9817 * basic-block.h (control_flow_graph): Change the type of
9818 x_basic_block_info to VEC(basic_block,gc) *.
9819 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9821 (SET_BASIC_BLOCK): New.
9822 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9823 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9824 * cfgbuild.c (find_basic_blocks): Likewise.
9825 * cfglayout.c (fixup_reorder_chain): Likewise.
9826 * cfgrtl.c (create_basic_block_structure,
9827 rtl_create_basic_block): Likewise.
9828 * ifcvt.c (find_if_case_1): Likewise.
9829 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9832 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9834 * Makefile.in: Removed rotted odf.c entry.
9836 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9839 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9840 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9841 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9842 output pattern modifier, not %e.
9843 * config/cris/cris.c (cris_op_str): Update comment about pattern
9845 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9846 before falling through into...
9847 <case 'E'>: Redefined from old 'e' case.
9849 2006-01-11 Jan Hubicka <jh@suse.cz>
9852 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9854 2006-01-11 Jan Hubicka <jh@suse.cz>
9856 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9857 * i386.c (x86_decompose_lea): Kill.
9858 (ix86_rtx_costs): Kill.
9860 2006-01-11 Jan Hubicka <jh@suse.cz>
9862 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9863 * cgraph.h (cgraph_node): Add inline_decl.
9864 (cgraph_insert_node_to_hashtable): Declare.
9865 (save_inline_function_body): Declare.
9866 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9868 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9869 (cgraph_function_versioning): Update call of tree_function_versioning.
9870 (save_inline_function_body): New function.
9871 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9872 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9873 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9874 (cgraph_default_inline_p): Likewise.
9875 (cgraph_decide_inlining_incrementally): Likewise.
9876 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9877 (copy_bb): Kill saving; do updating of clones.
9878 (copy_cfg_body): Kill saving.
9879 (initialize_inlined-parameters): Likewise.
9880 (expand_call_inline): Likewise.
9882 (tree_function_versioning): New parameter "update_clones".
9883 (inlining_p): Kill saving.
9884 * tree-inline.h (tree_function_versioning): Update prototype.
9885 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9888 2006-01-11 Ian Lance Taylor <ian@airs.com>
9890 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9891 Allow undoing set of machine mode.
9892 (do_SUBST): Use enums instead of is_int.
9893 (do_SUBST_MODE): New function.
9894 (SUBST_MODE): New macro.
9895 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9896 reg and trying to replace reg_regno_rtx with a new register.
9897 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9898 (simplify_set): Use SUBST_MODE.
9899 (distribute_notes): Remove code that tried to update reg notes
9900 for regno_reg_rtx changes.
9902 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9904 PR tree-optimization/23109
9905 PR tree-optimization/23948
9906 PR tree-optimization/24123
9908 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9909 * tree-cfg.c (single_noncomplex_succ): New.
9910 * tree-flow.h (single_noncomplex_succ): Declare it.
9911 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9912 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9913 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9914 insert_bb, register_division_in, insert_reciprocals,
9915 replace_reciprocal, free_bb): New.
9916 (execute_cse_reciprocals_1): Rewritten.
9917 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9918 Do not commit any edge insertion. Always compute dominators and
9919 create the allocation pool.
9920 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9921 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9922 * targhooks.c (default_min_divistions_for_recip_mul): New.
9923 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9924 * passes.c (init_optimization_passes): Run recip after tree loop
9926 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9928 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9929 Kenneth Zadeck <zadeck@naturalbridge.com>
9931 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9932 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9933 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9934 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9935 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9936 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9937 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9938 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9939 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9940 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9941 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9942 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9943 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9944 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9945 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9946 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9947 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9948 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9949 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9950 DF_SCAN_POST_ALLOC): New macros.
9951 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9952 df_free_bb_function, df_local_compute_function, df_init_function,
9953 df_dataflow_function, df_confluence_function_0,
9954 df_confluence_function_n, df_transfer_function,
9955 df_finalizer_function, df_free_function, df_dump_problem_function,
9956 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9957 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9958 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9959 df_urec_bb_info, ) New types.
9960 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9962 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9963 df_analyze_simple_change_some_blocks,
9964 df_analyze_simple_change_one_block, df_compact_blocks,
9965 df_bb_replace, df_bb_regno_last_use_find,
9966 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9967 df_insn_regno_def_p, df_find_def, df_find_use,
9968 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9969 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9970 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9971 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9972 debug_df_chain, df_get_dependent_problem, df_chain_create,
9973 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9974 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9975 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9976 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9977 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9978 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9979 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9980 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9981 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9982 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9983 df_reorganize_refs, df_set_state, df_hard_reg_init,
9984 df_read_modify_subreg_p) New public functions.
9985 * df-core.c: The core dataflow solver and glue routines for rtl
9987 (df_init, df_add_problem, df_set_blocks, df_finish,
9988 df_hybrid_search_forward, df_hybrid_search_backward,
9989 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9990 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9991 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9992 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9993 df_reg_defined, df_find_use, df_reg_used, df_dump,
9994 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9995 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9996 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9997 debug_df_useno, reset_df_after_reload): New functions.
9998 * df-scan.c: The scanning fuctions, once in df.c, completely
9999 rewritten so that they now fully model the functionality of
10000 register usage at the backend.
10001 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10002 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10003 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10004 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10005 df_get_artificial_defs, df_get_artificial_uses,
10006 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10007 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10008 df_refs_delete, df_reorganize_refs, df_set_state,
10009 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10010 df_def_record_1, df_defs_record, df_uses_record,
10011 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10012 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10013 df_record_exit_block_uses, df_hard_reg_init): New functions.
10015 * df-problems.c: Seven concrete dataflow problems that use the
10016 scanning in df-scan.c and are solved by the engine in df-core.c.
10017 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10018 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10019 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10020 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10021 df_ru_free_bb_info, df_ru_alloc,
10022 df_ru_bb_local_compute_process_def,
10023 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10024 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10025 df_ru_transfer_function, df_ru_free, df_ru_dump,
10026 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10027 df_rd_free_bb_info, df_rd_alloc,
10028 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10029 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10030 df_rd_transfer_function, df_rd_free, df_rd_dump,
10031 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10032 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10033 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10034 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10035 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10036 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10037 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10038 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10039 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10040 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10041 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10042 df_urec_mark_reg_use_for_earlyclobber,
10043 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10044 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10045 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10046 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10047 df_chain_create_bb_process_use, df_chain_create_bb,
10048 df_chain_finalize, df_chain_free, df_chains_dump,
10049 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10050 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10051 df_reg_lifetime): New functions.
10052 * df.c: Deleted file.
10053 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10054 consistent with new df api.
10055 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10056 rest_of_handle_sms): Ditto.
10057 * web.c (unionfind_union, union_defs, entry_register, web_main):
10059 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10060 invariant_expr_equal_p, find_defs, check_dependencies,
10061 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10062 free_inv_motion_data, move_loop_invariants): Ditto.
10063 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10064 Update dependencies.
10065 (odf.c): Added defective entry that was deleted later in day.
10066 * sched-deps.c (sched_analyze_1): Ditto.
10068 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10070 * tree-ssa-operands.c (get_expr_operands): Record addressable
10071 variables directly. Do not call add_stmt_operands for CONST_DECLs
10073 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10074 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10076 2006-01-11 Ben Elliston <bje@au.ibm.com>
10078 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10079 function returns true in the positive case.
10081 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10084 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10085 for SI, DI, SF and DF modes. Add alternatives to copy between
10086 general and floating point registers to the 32-bit patterns.
10087 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10088 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10089 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10090 generating 64-bit code.
10091 * config/pa/pa.c (output_move_double): Handle copies between general
10092 and floating registers.
10094 2006-01-10 Stuart Hastings <stuart@apple.com>
10096 * config/i386/i386.md (set_got): Update.
10097 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10098 (builtin_setjmp_receiver): Mach-O support.
10099 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10100 (GOT_SYMBOL_NAME): Define.
10101 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10102 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10103 * config/i386/i386.c (override_options): Revise for Darwin.
10104 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10105 support. (darwin_x86_file_end): New. (output_set_got): Add label
10106 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10107 * config/i386/i386-protos.h (output_set_got): Likewise.
10108 * config/darwin.c (machopic_legitimize_pic_address): Update
10111 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10113 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10114 when MODE isn't BLKmode.
10116 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10118 PR rtl-optimization/25367
10119 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10121 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10124 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10125 for a negative bound.
10127 2006-01-10 Richard Guenther <rguenther@suse.de>
10129 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10130 Never override with anything constraint.
10132 2006-01-10 Jan Beulich <jbeulich@novell.com>
10134 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10135 256 bits when optimize_size.
10137 2006-01-10 Jan Beulich <jbeulich@novell.com>
10139 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10141 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10142 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10145 2006-01-10 Ben Elliston <bje@au.ibm.com>
10147 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10149 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10150 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10151 (USE_FP_FOR_ARG): Reject decimal float modes.
10152 (function_arg_advance): Likewise.
10153 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10154 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10155 point types in AltiVec vectors.
10156 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10157 (rs6000_libcall_value): Likewise.
10159 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10161 * config/xtensa/ieee754-df.S: New file.
10162 * config/xtensa/ieee754-sf.S: New file.
10163 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10164 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10165 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10167 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10169 * config/sh/predicates.md (binary_float_operator,
10170 binary_logical_operator, commutative_float_operator,
10171 equality_comparison_operator, greater_comparison_operator,
10172 less_comparison_operator, logical_operator,
10173 noncommutative_float_operator, shift_operator,
10174 symbol_ref_operand, unary_float_operator): Remove redundant
10177 2006-01-09 Jeff Law <law@redhat.com>
10179 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10180 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10181 now unused arguments. Callers updated.
10182 (eliminate_redundant_computations): Remove now unused arguments,
10184 (local_fold): Remove, no longer used.
10185 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10187 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10188 (simplify_cond): New function.
10189 (forward_propagate_into_cond): Call simplify_cond.
10191 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10193 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10194 (*vec_extractv2di_1_sse): New.
10196 2006-01-09 Ben Elliston <bje@au.ibm.com>
10198 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10200 2006-01-08 Richard Guenther <rguenther@suse.de>
10202 * tree-ssa-structalias.c (get_constraint_for): Remove
10203 anyoffset argument.
10204 (get_constraint_for_component_ref): Likewise.
10205 (do_deref): Likewise.
10206 (get_constraint_for): Likewise.
10207 (do_structure_copy): Likewise.
10208 (handle_ptr_arith): Likewise.
10209 (find_func_aliases): Likewise. Remove unused need_anyoffset
10212 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10213 Kaz Kojima <kkojima@gcc.gnu.org>
10215 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10216 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10217 (EXTRA_CONSTRAINT_C16): Remove.
10218 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10219 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10220 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10221 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10222 constants of SHmedia. Handle nested constant expressions of
10224 (andcosts): Fix the costs for SHmedia constants.
10225 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10226 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10227 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10228 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10229 (movv4hi_i, movv2si_i): Likewise.
10230 (movsi_const): Adjust the second operand of ior so to match with
10231 the Csu constraint.
10232 (movdi_const, movdi_const_32bit): Likewise.
10233 (movdi_const_16bit+1): Don't sign-extend LOW.
10234 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10236 (*double_shori): Fix the split condition. Use GEN_INT instead
10237 of get_int_mode calls. Mask lower 16-bit of the argument of
10239 (sym2GOTPLT): Remove.
10240 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10242 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10243 instead of EXTRA_CONSTRAINT_C16.
10245 2006-01-07 Ian Lance Taylor <ian@airs.com>
10246 David Edelsohn <edelsohn@gnu.org>
10248 PR rtl-optimization/25662
10249 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10250 for constant operands instead of simplify_gen_binary.
10251 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10252 after trying simplify_binary_operation
10254 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10256 * tree.c (iterative_hash_expr): Hash decls based on UID.
10258 2006-01-06 Eric Christopher <echristo@apple.com>
10260 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10261 (TARGET_UNWIND_EMIT): Fix spelling.
10262 * target.h (gcc_target): Add except_table_label.
10263 * except.c (output_function_exception_table): Use.
10264 * varasm.c (default_emit_except_table_label): New.
10265 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10267 (asm_out): Add here.
10268 * output.h (default_emit_except_table_label): Prototype.
10269 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10270 * config/darwin.c (darwin_emit_except_table_label): Define.
10271 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10273 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10275 PR tree-optimization/18527
10276 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10277 number_of_iterations_special, number_of_iterations_exit):
10278 Move base and step of an iv to a single structure. Add
10279 no_overflow flag, and use it in # of iterations analysis.
10280 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10281 folded_casts argument.
10282 (simple_iv): Pass base and step in a structure. Set no_overflow
10284 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10285 Evaluate expensiveness of computing # of iterations instead of
10286 the final expression.
10287 * tree-scalar-evolution.h (affine_iv): New structure.
10288 (simple_iv): Declaration changed.
10289 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10290 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10291 find_givs_in_stmt): Changed due to simple_iv change.
10293 2006-01-06 Jeff Law <law@redhat.com>
10296 * tree-cfg.c (bsi_replace): Rename final argument from
10297 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10298 change (stmt -> orig_stmt).
10299 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10300 (bsi_remove): Add new argument. Remove EH information
10302 (verify_eh_throw_table_statements): New function.
10303 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10305 * tree-optimize.c (execute_free_cfg_annotations): Verify
10306 the EH throw statement table after removing annotations.
10307 * except.h (verify_eh_throw_table_statements): Prototype.
10308 * tree-flow.h (bsi_remove): Update prototype.
10309 * tree-vrp.c (remove_range_assertions): Add new argument to
10311 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10312 * tree-complex.c (expand_complex_div_wide): Likewise.
10313 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10314 * tree-tailcall.c (eliminate_tailcall): Likewise.
10315 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10316 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10317 * tree-nrv.c (tree_nrv): Likewise.
10318 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10319 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10320 (combine_blocks): Likewise.
10321 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10322 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10323 (cleanup_control_flow): Likewise.
10324 (remove_forwarder_block): Likewise.
10325 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10326 * tree-sra.c (sra_replace): Likewise.
10327 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10328 (forward_propagate_single_use_vars): Likewise.
10329 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10330 * tree-inline.c (expand_call_inline): Likewise.
10331 * tree-vect-transform.c (vect_transform_loop): Likewise.
10332 * tree-outof-ssa.c (rewrite_trees): Likewise.
10333 * tree-cfg.c (make_goto_expr_edges): Likewise.
10334 (cleanup_dead_labels): Likewise.
10335 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10336 (bsi_move_before, bsi_move_after): Likewise.
10337 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10338 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10340 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10343 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10345 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10346 on non gimple variables. Also add checks at the top for decls and
10348 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10350 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10351 and IMAGPART_EXPR for creating MUST_DEFs.
10352 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10353 and NAME_MEMORY_TAG separately from the DECLs.
10355 2006-01-06 Richard Guenther <rguenther@suse.de>
10357 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10358 annotation, if necessary.
10359 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10360 redundant calls to update_stmt.
10361 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10364 2006-01-05 Richard Henderson <rth@redhat.com>
10366 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10368 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10370 * c-typeck.c: Update copyright date.
10372 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10374 * c-typeck.c (build_c_cast): Always warn when casting
10375 from a pointer to an integer of different size, even if
10376 the node was constant.
10378 2006-01-05 Richard Guenther <rguenther@suse.de>
10380 PR tree-optimization/22555
10381 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10382 if one structure field is an array.
10383 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10384 operands even if we found a subvar, but ignore VOPs in this
10386 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10388 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10390 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10392 PR middle-end/24998
10393 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10395 2006-01-05 Richard Guenther <rguenther@suse.de>
10396 Diego Novillo <dnovillo@redhat.com>
10398 * tree-pass.h (TODO_remove_unused_locals): Define.
10399 * gimple-low.c (expand_var_p, remove_useless_vars,
10400 pass_remove_useless_vars): Remove. Update all users.
10401 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10402 (remove_unused_locals): New function.
10403 * tree-flow.h (remove_unused_locals): Declare.
10404 * passes.c (execute_todo): Call remove_unused_locals if
10405 TODO_remove_unused_locals is set.
10406 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10407 * tree-ssa-dce.c (pass_dce): Likewise.
10408 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10410 2006-01-05 Richard Guenther <rguenther@suse.de>
10412 * tree-flow.h (struct fieldoff): Decompose field to
10413 type, size and decl.
10414 * tree-ssa-alias.c (create_sft): Take type as parameter.
10415 (create_overlap_variables_for): Store type, size and decl
10416 in the fieldoff structure.
10417 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10418 of struct fieldoff.
10419 (push_fields_onto_fieldstack): Likewise.
10420 (create_variable_info_for): Likewise. Use offset for the
10421 SFT name if the decl is not available.
10423 2006-01-04 Paul Brook <paul@codesourcery.com>
10425 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10427 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10429 * lambda-code.c (can_put_in_inner_loop): Relax
10431 (can_put_after_inner_loop): New function.
10432 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10433 (perfect_nestify): Change to make copies and modify uses.
10435 2006-01-04 Richard Henderson <rth@redhat.com>
10437 Merge from gomp branch:
10438 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10439 via integer constant.
10440 (pragma_lex): Remove.
10441 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10442 rather than parsing it.
10443 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10444 handle_pragma_extern_prefix): Add %< %> quotes.
10445 (registered_pragmas): New.
10446 (c_register_pragma_1): New.
10447 (c_register_pragma): Use it.
10448 (c_register_pragma_with_expansion): Likewise.
10449 (c_invoke_pragma_handler): New.
10450 (init_pragma): Use cpp_register_deferred_pragma directly for
10452 * c-pragma.h (enum pragma_kind): New.
10453 (pragma_handler): New.
10454 (c_invoke_pragma_handler): Declare.
10455 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10457 * c-common.h (c_common_pch_pragma): Update decl.
10458 * Makefile.in (c-parser.o): Update dependencies.
10459 (GTFILES): Add c-pragma.h.
10460 * c-parser.c (struct c_token): Add pragma_kind.
10461 (struct c_parser): Add in_pragma.
10462 (c_lex_one_token): Always initialize keyword and pragma_kind.
10463 Extract data for CPP_PRAGMA.
10464 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10465 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10466 Don't allow CPP_PRAGMA_EOL if in_pragma.
10467 (c_parser_consume_pragma): New.
10468 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10469 (c_parser_skip_to_end_of_parameter): Likewise.
10470 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10471 (c_parser_skip_to_pragma_eol): New.
10472 (c_parser_external_declaration): Handle CPP_PRAGMA.
10473 (c_parser_compound_statement_nostart): Likewise.
10474 (c_parser_statement_after_labels): Likewise.
10475 (c_parser_pragma): New.
10476 (pragma_lex): Likewise.
10477 (c_parser_pragma_pch_preprocess): New.
10478 (c_parser_new): Merge into ...
10479 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10481 2006-01-04 Jeff Law <law@redhat.com>
10484 * tree-cfg.c (bsi_replace): Remove the original statement
10485 from the EH throw statement table.
10487 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10489 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10490 make the prototype extern "C" and add throw ().
10493 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10494 and pos non-negative and pos + len <= 32.
10495 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10496 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10497 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10500 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10501 as well as sizes not multiple of component size.
10504 * function.c (instantiate_expr): New function.
10505 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10506 walk its DECL_VALUE_EXPR with instantiate_expr.
10508 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10509 DW_OP_deref{,_size} if address isn't going to be added.
10511 2006-01-04 Ben Elliston <bje@au.ibm.com>
10513 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10514 * config/fp-bit.c: Likewise.
10516 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10518 * dominance.c: Add comment about why we use DFS numbering
10521 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10522 Richard Henderson <rth@redhat.com>
10524 Merge from gomp-branch:
10525 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10526 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10528 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10530 PR rtl-optimization/25578
10531 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10532 pass a parameter to simplify_shift_const if changing ASHIFTRT
10535 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10537 * builtins.c (get_builtin_sync_mem): New function.
10538 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10539 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10540 Call get_builtin_sync_mem to generate mem rtx.
10542 2006-01-03 Richard Guenther <rguenther@suse.de>
10545 * stmt.c (add_case_node): Make sure to clear overflow flags
10548 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10550 Merge from gomp-branch.
10551 * config/sparc/sync.md: New file.
10552 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10553 UNSPECV_LDSTUB): New constants.
10554 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10555 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10556 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10559 2006-01-03 Roger Sayle <roger@eyesopen.com>
10561 * combine.c (reg_subword_p): New predicate to test whether the
10562 destination of a set refers to a subword/piece of a register.
10563 (try_combine): Generalize the code to merge the setting of a
10564 pseudo to a constant followed by a set of a subword of that
10565 register to a constant.
10567 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10569 * basic-block.h (control_flow_graph): Change the type of
10570 x_label_to_block_map to VEC(basic_block,gc) *.
10571 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10572 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10574 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10575 VEC(basic_block,heap) *.
10576 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10577 ssa_prop_fini): Adjust the uses of cfg_blocks.
10579 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10581 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10583 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10584 hashing trees instead of a pointer hash.
10585 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10586 compare for MEM_EXPR.
10588 PR rtl-optimization/25130
10589 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10590 when comparing MEMs for GCSE
10592 2006-01-03 Ben Elliston <bje@au.ibm.com>
10594 * targhooks.h (default_decimal_float_supported_p): Declare.
10595 * targhooks.c (default_decimal_float_supported_p): Define.
10596 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10597 `default_decimal_float_supported_p'.
10598 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10600 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10602 * combine.c (apply_distributive_law <SUBREG>): Check
10603 TRULY_NOOP_TRUNCATION.
10605 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10607 * dwarf2out.c (have_switched_text_section): Delete.
10608 (have_multiple_function_sections): New.
10609 (have_location_lists): Make 'bool'.
10610 (add_AT_loc_list): Use 'true' not '1'.
10611 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10612 (output_loc_list): Use have_multiple_function_sections.
10613 (output_ranges): Likewise.
10614 (dwarf2out_begin_function): Set have_multiple_function_sections if
10616 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10617 Check function_section rather than DECL_SECTION_NAME.
10618 (dwarf2out_finish): Use have_multiple_function_sections.
10619 Don't clear have_location_lists.
10621 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10622 Jan Hubicka <jh@suse.cz>
10624 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10625 case of conditional jump jumping to the next instruction.
10626 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10627 cases of conditional jump jumping to the next instruction.
10629 2006-01-02 Jan Hubicka <jh@suse.cz>
10631 * i386.c (*_cost): Add COSTS_N_INSNS.
10632 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10634 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10637 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10639 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10641 * config/arm/arm.c (all_fpus): Fix comment typo.
10642 * config/darwin.c: Likewise.
10643 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10644 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10645 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10647 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10649 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10650 (rs6000_split_compare_and_swapqhi): New.
10651 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10652 (sync_compare_and_swapqhi_internal): New.
10653 * config/rs6000/rs6000-protos.h: Declare.
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