1 2006-05-08 Eric Christopher <echristo@apple.com>
3 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6 2006-05-08 Jan Hubicka <jh@suse.cz>
9 * cgraphunit.c (decide_is_function_needed): When not optimizing even
10 unused static functions are needed.
12 2006-05-08 Roger Sayle <roger@eyesopen.com>
15 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
16 of a reg_equiv_constant if the result is a legitimate constant.
18 2006-05-08 Uros Bizjak <uros@kss-loka.si>
21 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
22 standard 80387 constants, raise the cost to prevent
23 compress_float_constant() to generate load from memory.
25 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
27 * config/arm/constraints.md (c): Fix a typo.
29 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
32 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
35 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
37 (_mm_mwait): Likewise.
39 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
41 (sse3_monitor): Make it 32bit only.
42 (sse3_monitor64): New. 64bit monitor.
44 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
47 * config/i386/i386.c (classify_argument): Skip fields with invalid
50 2006-05-07 Richard Guenther <rguenther@suse.de>
52 PR tree-optimization/27409
53 * tree-ssa-structalias.c (get_constraint_for_component_ref):
54 Do not try to find zero-sized subvars.
56 2006-05-07 Richard Guenther <rguenther@suse.de>
58 PR tree-optimization/27136
59 * tree-ssa-loop-niter.c (get_val_for): Correct function
60 comment, assert requirements.
61 (loop_niter_by_eval): Stop processing if the iterated
62 value did not simplify.
64 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
66 * opts.c (flag_see): remove its setting at -O3.
68 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
70 * genpeep.c (main): Make insn-peep.c depend on flags.h.
71 * arm/constraints.md: New file.
72 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
73 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
74 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
75 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
76 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
77 (EXTRA_MEMORY_CONSTRAINT): Likewise.
78 * arm.md: Include constraints.md.
79 (thumb_movsi_insn): Use satisfies_constraint_J.
80 (movhi, movqi): Use satisfies_constraint_I.
82 2006-04-29 Anatoly Sokolov <aesok@post.ru>
84 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
85 for atmeg a645 device.
87 2006-05-06 Richard Guenther <rguenther@suse.de>
89 PR tree-optimization/27151
90 * tree-vect-transform.c (vectorizable_condition): Punt on
91 values that have a different type than the condition.
93 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
96 * c-parser.c (c_parser_cast_expression): Only insert casts into
97 hash table if pointer.
98 * function.c (used_types_insert_helper): Rename from
100 (used_types_insert): Call used_types_insert_helper.
101 * function.h (used_types_insert): Accept only one argument.
103 2006-05-05 David Edelsohn <edesohn@gnu.org>
105 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
106 scratch with output modifier.
108 2006-05-04 David Edelsohn <edelsohn@gnu.org>
111 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
112 with output modifier.
114 2006-05-04 Richard Sandiford <richard@codesourcery.com>
117 * config/mips/mips.c (mips_symbolic_address_p): Return true
118 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
119 SYMBOL_GOTTPREL, and SYMBOL_TLS.
121 2006-05-04 Richard Guenther <rguenther@suse.de>
123 PR tree-optimization/14287
124 PR tree-optimization/14844
125 PR tree-optimization/19792
126 PR tree-optimization/21608
127 PR tree-optimization/27090
128 * tree-ssa-pre.c (try_combine_conversion): New function.
129 (compute_avail): After constructing the value-handle
130 expression, use try_combine_conversion to combine NOP_EXPRs
131 with previous value-handle expressions and use the result if it
134 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
136 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
138 2006-05-04 Jan Hubicka <jh@suse.cz>
141 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
143 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
145 * config/bfin/predicates.md (const01_rtx): Tell generator programs
146 that this only matches CONST_INTs. All users changed to VOIDmode
149 * config/bfin/bfin.c: Include "optabs.h".
150 (bfin_rtx_costs): Some costs for vector operations, to allow combine
152 (enum bfin_builtins): Add a number of fractional and vector builtins.
153 (bfin_init_builtins): Likewise.
154 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
155 (safe_vector_operand, bfin_expand_binop_builtin,
156 bfin_expand_unop_builtin): New functions.
157 (bfin_expand_builtin): Handle the new builtins.
158 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
161 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
164 * Makefile.in (OBJS-common): Add see.o.
165 (see.o): Add dependencies.
166 * common.opt (fsee): New flag for the see optimization was added.
167 * opts.c (flag_see): Initialized.
168 * passes.c (init_optimization_passes, pass_see): New pass.
169 * rtl.h (see_main): Declaration as extern.
170 * timevar.def (TV_SEE): New.
171 * tree-pass.h (pass_see): Declaration as extern.
172 * invoke.texi (-fsee): Document.
173 * recog.c (validate_simplify_insn): New function.
174 * recog.h (validate_simplify_insn): Declaration as extern.
175 * df-problems.c (df_chain_dump): Check for NULL.
177 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
178 Daniel Berlin <dberlin@dberlin.org>
180 * cfgrtl.c (insert_insn_bb_end_new): New function.
181 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
183 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
185 * df.h (struct web_entry): Moved from web.c.
186 (union_defs): Declaration as extern.
187 (unionfind_root): Likewise.
188 (unionfind_union): Likewise.
189 * web.c (struct web_entry): Moved to df.h.
190 (unionfind_root): Remove static declaration.
191 (unionfind_union): Likewise.
192 (union_defs): Likewise and generalize to use callback function.
193 (web_main): Update arguments for union_defs function call.
195 2006-05-04 Richard Guenther <rguenther@suse.de>
197 PR tree-optimization/26447
198 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
199 produce SSA_NAME copies before the store stmt to avoid
200 breaking exception handling.
202 2006-05-04 Jakub Jelinek <jakub@redhat.com>
205 * gimplify.c (omp_is_private): If var is shared in some outer context,
206 return false instead of true. Stop searching on parallel context
209 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
212 * coverage.c: Use get_gcov_unsigned_t() instead of
213 unsigned_type_node all over.
215 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
217 PR tree-optimization/27381
218 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
219 maintain the same immediate_use links.
220 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
221 node rather than segfaulting.
223 2006-05-03 Jakub Jelinek <jakub@redhat.com>
226 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
227 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
228 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
230 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
232 Fix PR tree-optimization/26626
233 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
235 * tree-ssa-operands.c (access_can_touch_variable): Allow
236 typecasting through union pointers.
238 2006-05-02 Jakub Jelinek <jakub@redhat.com>
241 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
242 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
243 to find if var will be a global variable even in the nested context.
244 (omp_copy_decl): Only check for global variable at the end, it might
245 be overridden in outer contexts.
246 (scan_sharing_clauses): For global variables don't create a field.
247 (lower_rec_input_clauses): Do nothing for global shared variables.
248 Emit a barrier at the end of ILIST if there were any decls in both
249 firstprivate and lastprivate clauses.
250 (lower_send_clauses): Do nothing for global variables except for
253 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
255 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
256 of the correct signedness is returned.
258 2006-05-02 Jeff Law <law@redhat.com>
260 PR tree-optimization/27364
261 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
262 multiply expressions.
264 2006-05-02 Tom Tromey <tromey@redhat.com>
266 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
268 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
271 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
272 -mthumb -fPIC are used.
274 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
275 Joshua Kinard <kumba@gentoo.org>
278 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
279 with 64-bit pointers.
281 2006-05-02 Paul Brook <paul@codesourcery.com>
283 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
285 (create_fix_barrier): Check that a suitable barrier location is
287 (arm_reorg): Include ftmp->address in allowable range of addresses.
289 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
292 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
295 2006-05-02 Jakub Jelinek <jakub@redhat.com>
298 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
299 around RESULT_DECL for result passed by reference.
300 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
301 * omp-low.c (use_pointer_for_field): Don't look at
302 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
303 (scan_omp_1): Call remap_decl on RESULT_DECLs.
304 (lower_rec_input_clauses): Don't allocate VLA memory for the second
305 time or var for passing by reference for
306 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
307 TREE_ADDRESSABLE variables when passing by reference.
309 * omp-low.c (dump_omp_region): Fix output formatting.
312 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
313 (expand_omp_parallel): Likewise.
314 * tree-cfg.c (move_sese_region_to_fn): Likewise.
317 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
318 on statement list containing also constructors and destructors.
319 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
322 * except.c (duplicate_eh_regions): Fix clearing of
323 cfun->eh->region_array entries.
325 2006-05-01 DJ Delorie <dj@redhat.com>
327 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
329 (gcc_cv_objdump): Likewise.
330 * configure: Regenerated.
332 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
335 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
336 templates for case 3 and 4.
338 2006-05-01 DJ Delorie <dj@redhat.com>
340 * vec.c: Include bconfig.h when appropriate.
341 * Makefile.in (build/vec.o): Adjust dependencies.
342 * mkconfig.sh: Make sure config.h isn't used for build machine
345 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
347 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
349 (mark_phi_for_rewrite): New function.
350 (insert_phi_nodes_for, mark_use_interesting): Call
351 mark_phi_for_rewrite.
352 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
353 (update_ssa): Initialize and free phis_to_rewrite.
355 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
357 PR rtl-optimization/27291
358 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
359 folded to a constant.
361 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
363 PR tree-optimization/27283
364 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
365 not whole # of iteration descriptions.
366 (niter_for_exit): Return just # of iterations. Fail if # of iterations
367 uses abnormal ssa name.
368 (niter_for_single_dom_exit): Ditto.
369 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
370 return just the number of iterations.
372 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
374 PR tree-optimization/27144
375 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
376 (record_estimate): Only record constant upper bound.
377 (infer_loop_bounds_from_undefined): Call
378 compute_estimated_nb_iterations just once.
379 (proved_non_wrapping_p): Renamed to ...
380 (n_of_executions_at_most): ... this. Expect bound to be a constant.
381 (convert_step_widening, scev_probably_wraps_p): Call
382 n_of_executions_at_most instead of proved_non_wrapping_p.
383 (substitute_in_loop_info): Do not replace values in bounds.
384 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
387 2006-05-01 Richard Henderson <rth@redhat.com>
390 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
391 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
394 2006-05-01 Roger Sayle <roger@eyesopen.com>
396 * c-typeck.c (parser_build_binary_op): Don't call the function
397 unsigned_conversion_warning to spot operand/result type overflow.
398 (build_binary_op): Instead, call convert_and_check instead of
399 convert to report the problem when the operands are promoted.
400 * c-common.c (unsigned_conversion_warning): Make static.
401 * c-common.h (unsigned_conversion_warning): Delete prototype.
403 2006-05-01 Richard Guenther <rguenther@suse.de>
405 PR tree-optimization/26726
406 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
408 (find_interesting_uses_address): ... we work around here
409 by folding INDIRECT_REFs in the substituted base.
411 2006-05-01 Diego Novillo <dnovillo@redhat.com>
413 * omp-low.c (dump_omp_region): Add newlines.
415 2006-04-30 Roger Sayle <roger@eyesopen.com>
417 * common.opt (Woverflow): New command line option.
418 * c-common.c (constant_expression_warning): Check warn_overflow.
419 (overflow_waring): Pass OPT_Woverflow to warning.
420 (unsigned_conversion_warning): Likewise.
421 (convert_and_check): Likewise.
422 * doc/invoke.texi: Document new command line option.
424 2006-04-30 David Edelsohn <edelsohn@gnu.org>
426 * config/rs6000/rs6000.c (rs6000_override_options): Enable
427 TARGET_NO_FP_IN_TOC for section anchors.
428 (optimization_options): Enable section anchors for all
429 non-"Objective" languages.
431 2006-04-28 Eric Christopher <echristo@apple.com>
433 * config/darwin-c.c (darwin_ms_struct): Move this
434 (darwin_set_default_type_attributes): and this...
435 * config/darwin.c: ... here.
436 * config/darwin.h (darwin_ms_struct): Declare.
438 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
440 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
442 2006-04-28 Roger Sayle <roger@eyesopen.com>
445 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
446 (push_array_bounds): Delete prototype. Change BOUNDS argument to
447 an unsigned HOST_WIDE_INT.
448 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
450 (really_start_incremental_init): No need to call convert because
451 bitsize_zero_node is already of type bitsizetype.
452 (push_init_level): Extract the value of constructor_index as an
453 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
454 (process_init_element): Likewise.
456 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
458 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
459 value before passing to make_relative_prefix.
461 2006-04-28 Alan Modra <amodra@bigpond.net.au>
464 * builtins.c (expand_builtin_memset): Expand val in original mode.
466 2006-04-27 Eric Christopher <echristo@apple.com>
468 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
470 * config/darwin-c.c (darwin_ms_struct): New.
471 (darwin_pragma_ms_struct): Ditto.
472 (darwin_set_default_type_attributes): Ditto.
473 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
474 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
475 Register ms_struct pragma.
476 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
477 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
478 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
479 darwin_set_default_type_attributes if TARGET_MACHO.
481 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
483 PR tree-optimization/26854
484 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
485 * doc/tree-ssa.texi: Update immuse iterator documentation.
486 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
487 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
488 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
489 first_safe_imm_use, next_safe_imm_use): Remove.
490 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
491 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
492 (move_use_after_head): New. Helper function to sort immuses in a stmt.
493 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
494 (first_imm_use_stmt): New. Get first stmt in an immuse list.
495 (next_imm_use_stmt): New. Get next stmt in an immuse list.
496 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
497 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
498 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
499 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
500 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
501 (perfect_nestify): Use new iterator.
502 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
504 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
505 (next_imm_name): New field in struct immediate_use_iterator_d.
506 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
507 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
508 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
509 * tree-cfg.c (replace_uses_by): Use new iterator.
510 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
511 * tree-ssa-operands.c (correct_use_link): Remove.
512 (finalize_ssa_use_ops): No longer call correct_use_link.
514 2006-04-27 Stuart Hastings <stuart@apple.com>
516 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
517 * config/t-darwin (crt3.o): Use it.
518 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
519 'pmode', use Pmode instead of SImode for SYMBOL_REF.
520 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
521 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
522 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
525 2006-04-27 Roger Sayle <roger@eyesopen.com>
527 * expmed.c (store_fixed_bit_field): If we're not optimizing for
528 size, force the intermediate into a new pseudo rather instead of
529 performing both a bitwise AND and a bitwise IOR in memory.
531 2006-04-27 Richard Guenther <rguenther@suse.de>
533 PR rtl-optimization/26685
534 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
535 this one "max-flow-memory-locations".
537 2006-04-27 Richard Guenther <rguenther@suse.de>
539 PR tree-optimization/25148
540 * tree-vrp.c (compare_values): Remove code dealing with
541 comparisons against type min/max value. Honour overflow
542 and negative constants in code dealing with comparisons
543 of plus and minus expressions.
544 (value_inside_range): Use fold_binary with LE_EXPR and
545 GE_EXPR rather than compare_values.
547 2006-04-27 Dirk Mueller <dmueller@suse.de>
549 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
552 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
554 * basic-block.h (safe_insert_insn_on_edge): Removed.
555 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
558 2006-04-26 David Edelsohn <edelsohn@gnu.org>
559 Paolo Bonzini <bonzini@gnu.org>
562 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
563 (simplify_and_const_int): Same.
565 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
567 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
569 2006-04-26 Jakub Jelinek <jakub@redhat.com>
572 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
573 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
574 cgraph_global_info_ready.
577 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
580 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
581 either decl or init is error_mark_node.
584 * tree-flow.h (struct omp_region): Add sched_kind.
585 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
586 instead of extracting omp for data.
587 (expand_omp_for): Save extracted sched_kind.
589 2006-04-25 Roger Sayle <roger@eyesopen.com>
591 * expmed.c (store_bit_field): Also check whether the bitsize is
592 valid for the machine's "insv" instruction before moving the
593 target into a pseudo for use with the insv.
594 * config/i386/predicates.md (const8_operand): New predicate.
595 * config/i386/i386.md (extv, extzv, insv): Use the new
596 const8_operand predicate where appropriate.
598 2006-04-25 DJ Delorie <dj@redhat.com>
600 * doc/install.texi (Specific): Clarify that this is not a list of
601 supported hosts or targets.
603 2006-04-25 Richard Sandiford <richard@codesourcery.com>
605 PR rtl-optimization/26725
606 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
607 block's BB_DIRTY flag.
609 2006-04-25 Geoffrey Keating <geoffk@apple.com>
611 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
614 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
617 2006-04-25 David Edelsohn <edelsohn@gnu.org>
619 * varasm.c (align_variable): New function.
620 (get_block_for_decl): Apply align_variable to DECL before
621 calculating section information.
622 (assemble_variable): Split out alignment computation.
624 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
626 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
629 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
631 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
632 MODE_PARTIAL_INT mode.
633 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
634 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
636 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
637 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
639 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
641 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
643 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
644 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
645 MACFLAG_IH): Likewise.
646 (movstricthi_1): Renamed from "*movstricthi".
647 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
648 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
649 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
650 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
651 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
652 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
653 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
654 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
655 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
656 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
657 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
658 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
659 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
660 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
661 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
663 * doc/rtl.texi (ss_ashift): Improve wording.
665 2006-04-24 Geoffrey Keating <geoffk@apple.com>
667 * dwarf2out.c (verify_marks_clear): New.
668 (prune_unused_types): Call verify_marks_clear initially, not
671 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
673 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
674 * doc/rtl.texi: Document them.
675 * simplify-rtx.c (simplify_unary_operation,
676 simplify_binary_operation_1): Don't abort when we see them.
678 2006-04-24 Mark Mitchell <mark@codesourcery.com>
681 2006-04-23 Mark Mitchell <mark@codesourcery.com>
682 * configure.ac: Completely disregard languages that are not
684 * configure: Regenerated.
686 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
687 Richard Guenther <rguenther@suse.de>
689 PR tree-optimization/27236
690 * tree-inline.c (copy_body_r): Make sure to copy
691 TREE_THIS_VOLATILE flag.
693 2006-04-24 Richard Guenther <rguenther@suse.de>
696 * tree-complex.c (update_parameter_components): Don't handle
697 unused parameters which have no default def.
699 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
700 Richard Guenther <rguenther@suse.de>
702 PR tree-optimization/27218
703 * tree-inline.c (expand_call_inline): Strip useless type
704 conversions for the return slot address.
706 2006-04-24 Richard Guenther <rguenther@suse.de>
708 * cfgloop.h (struct loops): Remove unused field array. Reorder
710 (LOOP_PREFETCH): Remove.
712 2006-04-24 Richard Guenther <rguenther@suse.de>
714 PR tree-optimization/22525
715 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
716 variable, adjust types of generated expressions.
718 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
720 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
721 (tree-vect-patterns.o): Likewise.
723 (cselib.o): Likewise.
724 (loop-doloop.o): Likewise.
725 (regclass.o): Likewise.
726 (reload1.o): Likewise.
727 (explow.o): Replace target.h with $(TARGET_H).
728 (ipa-prop.o): Likewise.
729 (ipa-cp.o): Likewise.
730 (ipa-inline.o): Likewise.
732 (reg-stack.o): Likewise.
734 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
736 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
738 2006-04-23 Mark Mitchell <mark@codesourcery.com>
740 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
742 * configure.ac: Completely disregard languages that are not
744 * configure: Regenerated.
747 * c-common.h (c_build_bitfield_integer_type): Declare.
748 * c-decl.c (c_build_bitfield_integer_type): Move to ...
749 * c-common.c (c_build_bitfield_integer_type): ... here.
751 2006-04-23 Roger Sayle <roger@eyesopen.com>
754 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
755 a SImode SUBREG of a floating point register after no_new_pseudos.
757 2006-04-23 Roger Sayle <roger@eyesopen.com>
759 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
760 identify potentially eliminable registers to additionally catch
761 VIRTUAL_INCOMING_ARGS_REGNUM.
762 (addsi3): Update the conditions on when to use addsi_small_int.
764 2006-04-23 Roger Sayle <roger@eyesopen.com>
767 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
768 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
769 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
771 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
773 * fold-const.c (range_predecessor): Use operand_equal_p
774 as the predicate for equality.
775 (range_successor): Likewise.
777 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
780 * config/soft-fp/op-common.h: Fix a typo.
782 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
785 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
786 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
788 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
790 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
792 * doc/tm.texi: Fix a typo.
794 2006-04-21 Geoffrey Keating <geoffk@apple.com>
796 * dwarf2out.c (struct die_struct): Document that die_sib makes
797 a circular linked list.
798 (FOR_EACH_CHILD): New.
799 (reverse_die_lists): Delete.
800 (reverse_all_dies): Delete.
801 (add_dwarf_attr): Correct documentation.
802 (remove_child_with_prev): New.
803 (remove_child_TAG): Update for change to die_struct, use
804 remove_child_with_prev.
805 (add_child_die): Update for change to die_struct.
806 (splice_child_die): Use remove_child_with_prev and add_child_die.
807 (print_die): Use FOR_EACH_CHILD.
808 (die_checksum): Likewise.
809 (assign_symbol_names): Likewise.
810 (output_location_lists): Likewise.
811 (build_abbrev_table): Likewise.
812 (calc_die_sizes): Likewise.
813 (mark_dies): Likewise.
814 (unmark_dies): Likewise.
815 (unmark_all_dies): Likewise.
816 (output_die): Likewise.
817 (prune_unused_types_mark): Likewise.
818 (prune_unused_types_walk): Likewise.
819 (same_die_p): Update for change to die_struct.
820 (break_out_includes): Likewise.
821 (prune_unused_types_prune): Likewise.
822 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
823 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
825 (dwarf2out_finish): Don't call reverse_all_dies.
827 2006-04-21 Eric Christopher <echristo@apple.com>
829 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
830 in comments and function names.
832 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
835 * c-typeck.c (digest_init): Robustify.
837 * c-typeck.c (pop_init_level): Simplify.
839 2006-04-21 Steve Ellcey <sje@cup.hp.com>
841 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
843 2006-04-21 Paul Brook <paul@codesourcery.com>
845 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
846 hardware floating point.
848 2006-04-21 David Edelsohn <edelsohn@gnu.org>
850 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
853 2006-04-21 Nick Clifton <nickc@redhat.com>
855 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
858 2006-04-21 Alan Modra <amodra@bigpond.net.au>
861 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
862 C++ lang type in traceback table for Objective-C++.
864 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
866 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
868 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
870 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
873 * tree-mudflap.c (mudflap_finish_file): Skip function when there
874 were errors. Remove check for erroneous objects.
876 2006-04-20 Jeff Law <law@redhat.com>
878 PR tree-optimization/26854
879 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
880 checking for zero or one use.
881 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
882 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
883 * tree-ssa-reassoc.c (negate_value): Similarly.
884 (reassociate_bb): Similarly.
886 2006-04-20 Jakub Jelinek <jakub@redhat.com>
888 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
889 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
890 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
892 2006-04-20 Alan Modra <amodra@bigpond.net.au>
894 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
895 fp regs if the last fp arg doesn't fit in regs.
897 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
900 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
901 that the last insn has the REG_INC note.
903 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
904 Nathan Sidwell <nathan@codesourcery.com>
907 * stor-layout.c (update_alignment_for_field): Do not align
909 (place_union_field): Place union field at the start of the union.
910 (place_field): Move ERROR_MARK check later, and use the current
911 allocation position to maintain monotonicity.
913 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
915 * dominance.c: Include timevar.h.
916 (calculate_dominance_info): Use TV_DOMINANCE.
917 * timevar.def (TV_DOMINANCE): New timevar.
918 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
920 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
922 PR rtl-optimization/14261
923 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
924 move would be an INSV insn.
925 (noce_process_if_block): Don't optimize if the destination is a
926 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
928 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
930 * config/s390/s390.md: Add comments with the instructions emitted
931 by an insn pattern if macros are used.
933 2006-04-19 Alan Modra <amodra@bigpond.net.au>
935 PR rtl-optimization/26026
936 * fold-const.c (fold_binary): Optimize div and mod where the divisor
937 is a known power of two shifted left a variable amount.
939 2006-04-18 Geoffrey Keating <geoffk@apple.com>
941 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
942 to hash table twice when the debug_str section has SECTION_MERGE.
944 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
946 * config/soft-fp: New directory. From glibc.
947 * config/soft-fp/t-softfp: New.
948 * config/soft-fp/README: New.
949 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
950 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
951 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
952 (LIBGCC_DEPS): Add $(SFP_MACHINE).
953 * config.gcc: Use rs6000/t-fprules-fpbit or
954 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
956 * config/rs6000/sfp-machine.h: New. Based on glibc.
957 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
959 * config/rs6000/t-fprules: Remove fp-bit rules.
960 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
961 * config/rs6000/t-linux64: Likewise. Remove duplicates from
962 LIB2FUNCS_EXTRA. Remove fp-bit rules.
963 (softfp_wrap_start, softfp_wrap_end): New.
965 2006-04-18 DJ Delorie <dj@redhat.com>
967 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
969 2006-04-18 Devang Patel <dpatel@apple.com>
971 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
973 2006-04-18 Nick Clifton <nickc@redhat.com>
975 * config/sh/t-symbian: Add rule to build sh-c.o
976 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
977 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
978 (sh_symbian_encode_section_info): Likewise.
980 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
982 * builtins.c (expand_builtin_strcmp): Cover label definition of
983 do_libcall with HAVE_cmpstrnsi.
985 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
987 * function.c (temp_slots_at_level, max_slot_level): Use VEC
989 * function.h (temp_slot_p): New.
990 (function): Change the type of x_used_temp_slots to
991 VEC(temp_slot_p,gc) *.
993 2006-04-18 Nick Clifton <nickc@redhat.com>
995 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
996 flag_strength_reduce.
998 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1000 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1004 Partial revert of revision 112637
1005 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1006 Dale Johannesen <dalej@apple.com>
1009 * regclass.c (struct reg_pref): Update documentation.
1010 (regclass): Set prefclass to NO_REGS if memory is the best option.
1011 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1013 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1015 PR tree-optimization/26821
1016 * tree-ssa-math-opts.c (get_constant_one): New.
1017 (insert_reciprocals): Use it.
1019 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1021 * dwarf2out.c (free_AT): Delete.
1022 (remove_AT): Update string ref counts.
1023 (remove_child_TAG): Don't call free_die.
1025 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1026 or DW_TAG_GNU_EINCL.
1027 (prune_unused_types_walk_attribs): Reset string refcounts.
1028 (prune_unused_types_update_strings): New.
1029 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1030 call free_die. Do call prune_unused_types_update_strings.
1031 (prune_unused_types): Empty debug_str_hash.
1033 2006-04-17 Roger Sayle <roger@eyesopen.com>
1035 * expr.c (expand_assignment): Optimize away no-op moves where the
1036 source and destination are equal and have no side-effects.
1038 2006-04-17 Richard Guenther <rguenther@suse.de>
1041 * reload.c (push_reload): Guard calls to get_secondary_mem
1044 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1046 * alias.c (reg_base_value, old_reg_base_value): Change the
1047 type to VEC(rtx,gc) *.
1048 (REG_BASE_VALUE, find_base_value, record_set,
1049 init_alias_analysis): Use VEC instead of VARRAY.
1051 * alias.c (alias_sets): Change the type to
1052 VEC(alias_set_entry,gc) *.
1053 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1054 VEC instead of VARRAY.
1055 (last_alias_set): Remove.
1057 * cgraph.h (cgraph_edge_p): New.
1058 Update the prototype of cgraph_function_versioning.
1059 * cgraphunit.c (cgraph_copy_node_for_versioning,
1060 cgraph_function_versioning): Use VEC instead of VARRAY.
1061 * ipa-cp.c (ipcp_insert_stage): Likewise.
1063 2006-04-16 Roger Sayle <roger@eyesopen.com>
1066 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1067 "A op B" or "A op C", we may need to convert A to the type of B and C.
1069 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1071 * target.h (struct gcc_target): Add mode_rep_extended.
1072 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1073 (init_num_sign_bit_copies_in_rep): Initialize it using
1075 (truncate_to_mode): Use it.
1076 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1077 * targhooks.h (default_mode_rep_extended): Declare it.
1078 * targhooks.c (default_mode_rep_extended): Define it.
1079 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1080 default_mode_rep_extended.
1081 (TARGET_INITIALIZER): Include it.
1082 * doc/tm.texi (Misc): Document it.
1083 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1084 (mips_truncated_to_mode): New function.
1086 2006-04-16 Roger Sayle <roger@eyesopen.com>
1089 * expr.c (compress_float_constant): Copy the narrow constant into
1090 a new pseudo before extending it to its final width.
1092 2006-04-16 Roger Sayle <roger@eyesopen.com>
1093 Andrew Pinski <pinskia@gcc.gnu.org>
1094 Dale Johannesen <dalej@apple.com>
1097 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1098 special case code to implement V8HImode and V16QImode with SSE2.
1100 2006-04-15 Roger Sayle <roger@eyesopen.com>
1102 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1103 trees are constructed with a suitable tree type.
1105 2006-04-15 Roger Sayle <roger@eyesopen.com>
1107 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1108 (integer_onep): Likewise.
1109 (integer_all_onesp): Likewise.
1110 (integer_pow2p): Likewise.
1111 (integer_nonzerop): Likewise.
1112 (real_zerop): Likewise.
1113 (real_onep): Likewise.
1114 (real_twop): Likewise.
1115 (real_minus_onep): Likewise.
1116 (int_size_in_bytes): Likewise.
1117 (host_integerp): Likewise.
1119 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1121 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1122 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1123 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1125 * tree-ssa-structalias.h (alias_info): Remove num_references.
1127 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1129 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1130 (output_bvb patterns): Likewise.
1131 * pa.c (output_bb): Use 'bb' insn for long branch case.
1132 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1133 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1134 1. Correct length operand for alternatives 1 and 2.
1135 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1136 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1138 2006-04-14 Roger Sayle <roger@eyesopen.com>
1140 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1141 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1142 were accidentally reverted by r112959.
1144 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1147 * except.h (eh_region_outermost): New prototype.
1148 * except.c (eh_region_outermost): New function.
1149 * tree-cfg.c (find_outermost_region_in_block): Use it.
1151 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1153 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1155 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1156 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1157 (init_reload, reload): Use VEC instead of VARRAY.
1158 * reload.h: Update the prototype for
1159 reg_equiv_memory_loc_varray.
1161 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1162 Eric Botcazou <ebotcazou@libertysurf.fr>
1164 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1167 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1170 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1171 to expand fallback builtin function call.
1173 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1176 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1177 and emit libcall here in case the builtin fails.
1178 (expand_builtin_strcmp): Always emit the libcall here on failure.
1180 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1182 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1183 * flow.c (reg_n_info): Change the type to
1184 VEC(reg_info_p,heap) *.
1185 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1187 * regs.h (reg_info_p): New.
1188 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1189 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1190 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1193 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1195 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1197 * params.h (MAX_SCHED_READY_INSNS): New macro.
1198 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1199 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1200 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1201 the ready list for 1 cycle during the first scheduling pass.
1202 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1204 2006-04-13 Richard Henderson <rth@redhat.com>
1207 * gimple-low.c (lower_omp_directive): Remove dead code.
1208 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1209 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1210 * omp-low.c (struct omp_region): Move to tree-flow.h.
1211 (root_omp_region): Export.
1212 (omp_regions, lookup_omp_region): Remove.
1213 (determine_parallel_type): Update for struct omp_region changes.
1214 (dump_omp_region): Dump regions with block numbers.
1215 (new_omp_region): Take type and block instead of stmt; malloc
1217 (free_omp_region_1, free_omp_regions): New.
1218 (expand_parallel_call): Take entry_stmt as argument; update for
1219 changes to omp_region.
1220 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1221 (remove_exit_barriers): New.
1222 (expand_omp_parallel): Update for struct omp_region changes.
1223 (expand_omp_synch): Likewise.
1224 (expand_omp): Likewise.
1225 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1226 (expand_omp_for_static_chunk): Likewise.
1227 (expand_omp_for): Likewise.
1228 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1229 (expand_omp_sections): Similarly, with GOMP_sections_end.
1230 (expand_omp_single): New.
1231 (build_omp_regions_1): Update for OMP_CONTINUE.
1232 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1233 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1234 OMP_SECTIONS_SECTIONS.
1235 (lower_omp_single_simple): Don't emit barrier here.
1236 (lower_omp_single_copy): Likewise.
1237 (lower_omp_single): Fix bindings, and lower to straightline now.
1238 (lower_omp_master, lower_omp_ordered): Likewise.
1239 (lower_omp_critical): Likewise.
1240 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1241 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1242 omp edges, free it afterward.
1243 (make_omp_sections_edges): Remove.
1244 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1245 (move_stmt_r): Handle OMP_CONTINUE.
1246 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1247 statement pointers to basic blocks. Add type member.
1248 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1249 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1250 * tree-inline.c (estimate_num_insns_1): Likewise.
1251 * tree-pretty-print.c (dump_generic_node): Likewise.
1252 * tree-ssa-operands.c (get_expr_operands): Likewise.
1253 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1254 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1255 (OMP_CONTINUE): New.
1256 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1257 (OMP_SECTIONS_SECTIONS): Remove.
1258 (OMP_SECTION_LAST): New.
1259 (OMP_RETURN_NOWAIT): New.
1261 2006-04-13 Roger Sayle <roger@eyesopen.com>
1263 * fold-const.c (native_encode_vector, native_interpret_real):
1264 Correct obvious mistakes in the previous check-in.
1266 2006-04-13 Roger Sayle <roger@eyesopen.com>
1268 * fold-const.c (native_encode_expr): New function to encode
1269 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1270 or VECTOR_CST into a specified buffer.
1271 (native_encode_int): New function.
1272 (native_encode_real): New function.
1273 (native_encode_complex): New function.
1274 (native_encode_vector): New function.
1275 (native_interpret_expr): Inverse of native_encode_expr to convert
1276 a target representation into an INTEGER_CST, REAL_CST etc...
1277 (native_interpret_int): New function.
1278 (native_interpret_real): New function.
1279 (native_interpret_complex): New function.
1280 (native_interpret_vector): New function.
1281 (fold_view_convert_expr): New function to constant fold/evaluate
1282 a VIEW_CONVERT_EXPR of a suitable constant expression.
1283 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1284 Change call of build1 to fold_build1 when constructing a
1287 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1288 Ulrich Weigand <uweigand@de.ibm.com>
1291 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1294 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1297 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1298 optimize to lo_sum for DFmode if !TARGET_FPRS.
1300 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1302 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1303 delete_alias_info, compute_flow_sensitive_aliasing,
1304 group_aliases): Use VEC instead of VARRAY.
1305 * tree-ssa-structalias.c (update_alias_info): Likewise.
1306 * tree-ssa-structalias.h (alias_info): Change the type of
1307 processed_ptrs to VEC(tree,heap) *.
1309 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1312 * config/sh/lib1funcs.h: New file, broken out of:
1313 * config/sh/lib1funcs.asm.
1314 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1316 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1317 * config/sh/lib1funcs-Os-4-200.asm: New file.
1318 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1319 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1320 (EXTRA_MULTILIB_PARTS): Include it.
1321 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1322 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1323 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1324 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1327 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1329 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1330 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1331 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1333 * tree-ssa-live.h: Include vecprim.h.
1334 (tree_partition_associator_d): Change the type of
1335 first_partition to VEC(int,heap) *.
1336 (tpa_first_partition): Use VEC instead of VARRAY.
1338 * Makefile.in (GTFILES): Move functions.h after tree.h.
1339 * function.c (reset_block_changes, record_block_change,
1340 check_block_change, free_block_changes): Use VEC instead of
1342 * function.h (function): Change the type of
1343 ib_boundaries_block to VEC(tree,gc) *.
1344 * tree-inline.c (copy_cfg_body): Initialize
1345 ib_boundaries_block to NULL instead of (varray_type) 0.
1347 2006-04-12 Roger Sayle <roger@eyesopen.com>
1349 * expr.c (emit_group_store): Correct operand order in call to
1350 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1351 a SUBREG_BYTE of zero.
1353 2006-04-12 Richard Guenther <rguenther@suse.de>
1355 * profile.c (compute_branch_probabilities): Remove code
1356 encapsulated in !ir_type (), which are remanents of the
1357 removed RTL profiling code.
1358 * rtl-profile.c: Remove.
1360 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1362 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1363 magic NULL_RTX comment.
1364 (function_arg): Store entire fp arg to mem if any part should go
1366 (rs6000_arg_partial_bytes): Adjust for above change.
1368 2006-04-11 Roger Sayle <roger@eyesopen.com>
1370 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1371 if it hasn't been initialized by dwarf2out_init.
1373 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1375 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1376 symbolic constants in branch patterns.
1378 2006-04-11 Roger Sayle <roger@eyesopen.com>
1380 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1382 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1384 PR rtl-optimization/27073
1385 * gcse.c (try_replace_reg): Revert last change. Continue to search
1386 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1389 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1391 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1392 aggregate types other than record and union types.
1393 (function_arg): Likewise.
1394 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1396 (function_value): In 64-bit mode, return objects that require it
1399 2006-04-11 Roger Sayle <roger@eyesopen.com>
1401 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1403 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1405 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1407 2006-04-03 Jeff Law <law@redhat.com>
1410 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1411 alias information too.
1413 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1415 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1417 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1420 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1421 (premark_used_types_helper): New.
1422 (premark_used_types): New.
1423 (gen_subprogram_die): Call premark_used_types.
1424 (prune_unused_types_walk): Do not prune perennial dies.
1425 * function.c (used_types_insert): New.
1426 * function.h (struct function): Add used_types_hash field.
1427 (used_types_insert): Add prototype.
1428 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1429 * c-parser.c (c_parser_cast_expression): Save casted types in used
1432 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1435 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1436 rs6000_explicit_options.float_gprs.
1438 2006-04-10 Roger Sayle <roger@eyesopen.com>
1440 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1441 from ix86_expand_vector_init_low_nonzero. Take an additional
1442 one_var argument indicating which element is non-zero. Support
1443 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1444 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1445 with one_var instead of ix86_expand_vector_init_low_nonzero.
1447 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1449 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1450 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1451 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1452 build/genextract.o): Depend on vecprim.h.
1453 * cfglayout.c, df-problems.c, function.c, genextract.c,
1454 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1455 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1459 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1461 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1462 Declare VECs of this type.
1463 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1464 (remove_children): Delete.
1465 (add_dwarf_attr): Use VEC routines.
1466 (add_AT_flag): Update for changes to add_dwarf_attr.
1467 (add_AT_int): Likewise.
1468 (add_AT_unsigned): Likewise.
1469 (add_AT_long_long): Likewise.
1470 (add_AT_vec): Likewise.
1471 (add_AT_string): Likewise.
1472 (add_AT_die_ref): Likewise.
1473 (add_AT_fde_ref): Likewise.
1474 (add_AT_loc): Likewise.
1475 (add_AT_loc_list): Likewise.
1476 (add_AT_addr): Likewise.
1477 (add_AT_lbl_id): Likewise.
1478 (add_AT_lineptr): Likewise.
1479 (add_AT_macptr): Likewise.
1480 (add_AT_offset): Likewise.
1481 (add_AT_range_list): Likewise.
1482 (get_AT): Use VEC_iterate.
1483 (remove_AT): Use VEC_ordered_remove.
1484 (free_die): Fold remove_children into here; have it use VEC_iterate.
1485 (print_die): Use VEC_iterate on attrs.
1486 (reverse_die_lists): Don't reverse attr lists.
1487 (die_checksum): Use VEC_iterate on attrs.
1488 (same_die_p): Likewise.
1489 (output_location_lists): Likewise.
1490 (build_abbrev_table): Likewise.
1491 (size_of_die): Likewise.
1492 (unmark_all_dies): Likewise.
1493 (output_abbrev_section): Likewise.
1494 (output_die): Likewise.
1495 (prune_unused_types_walk_attribs): Likewise.
1497 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1499 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1501 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1504 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1506 2006-04-09 Roger Sayle <roger@eyesopen.com>
1508 * expr.c (store_constructor): Don't bother clearing target if
1509 we're about to assign a vector to it using vec_init_optab.
1511 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1513 * tree-ssa-alias.c (lhs_may_store_to): New function.
1514 (recalculate_used_alone): Handle LHS of calls.
1516 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1520 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1521 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1522 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1523 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1524 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1525 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1526 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1527 stubs. Add ".align 8" directives before all ".dword" directives.
1528 (GTHREAD_USE_WEAK): Revise comment.
1529 (TARGET_ATTRIBUTE_WEAK): Define.
1530 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1531 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1532 * stublib.c: New file.
1537 * pa.md (cbranch patterns): Revise arguments used in calls to
1538 output_cbranch, output_bb and output_bvd. Add long branch length
1540 (fbranch patterns): Handle long branches.
1541 (jump): Revise length check. Revise arguments for output_lbranch call.
1542 Add long branch length attributes.
1543 (decrement_and_branch_until_zero): Add long branch length attributes.
1544 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1545 Likewise. Revise arguments for output_parallel_addb and
1546 output_parallel_movb calls.
1547 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1548 output_parallel_movb and output_parallel_addb): Update prototypes.
1549 * pa.c (output_cbranch): Revise arguments. Correct handling of
1550 nullification in long branches.
1551 (output_lbranch): Add new argument to control extraction of delay
1553 (output_bb): Handle long branches.
1554 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1555 output_parallel_addb): Likewise.
1557 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1559 PR rtl-optimization/27073
1560 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1563 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1565 * tree.h (tree_memory_tag): Add old_used_alone.
1566 (SMT_OLD_USED_ALONE): New macro.
1567 * tree-ssa-alias.c (recalculate_used_alone): Stop
1568 marking things for renaming unnecessarily.
1570 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1572 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1573 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1574 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1575 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1576 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1577 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1578 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1579 spelling convensions.
1580 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1581 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1582 typos. Follow spelling conventions.
1584 2006-04-07 DJ Delorie <dj@redhat.com>
1586 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1587 passed on the stack.
1588 (m32c_init_cumulative_args): When a function returns a structure,
1589 always pass the pointer to that return area on the stack.
1590 (m32c_function_arg_advance): Don't increment the parameter number
1591 if we're processing the returned structure pointer.
1592 (pushm_info): Reverse order of registers.
1594 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1596 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1597 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1598 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1599 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1601 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1602 chrec_fold_multiply): Same.
1603 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1604 force_expr_to_var_cost): Same.
1605 * tree-mudflap.c (mf_xform_derefs_1): Same.
1606 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1608 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1610 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1611 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1614 2006-04-07 Jan Hubicka <jh@suse.cz>
1616 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1618 2006-04-07 Richard Guenther <rguenther@suse.de>
1620 PR tree-optimization/26135
1621 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1622 loads for store copy-prop.
1623 (copy_prop_visit_stmt): Likewise.
1625 2006-04-05 Robert Millan <robertmh@gnu.org>
1627 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1628 being overriden in config/k*bsd-gnu.h.
1629 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1631 * gcc/config/knetbsd-gnu.h: Ditto.
1633 2006-04-06 Jan Hubicka <jh@suse.cz>
1637 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1640 2006-04-06 Mike Stump <mrs@apple.com>
1642 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1643 for HAVE_nonlocal_goto to be consistent.
1644 (expand_builtin_nonlocal_goto): Likewise.
1645 (expand_builtin_strcmp): Use #ifdef instead of #if
1646 for HAVE_cmpstrnsi to be consistent.
1648 2006-04-05 DJ Delorie <dj@redhat.com>
1650 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1653 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1655 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1656 got-relative addressing for anything but SImode.
1658 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1659 even if the calling function doesn't modify them.
1661 2006-04-05 Richard Guenther <rguenther@suse.de>
1663 PR tree-optimization/26919
1664 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1665 to cgraph_estimate_size_after_inlining.
1667 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1669 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1671 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1673 PR tree-optimization/26996
1674 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1675 VECTOR_TYPE variables.
1677 2006-04-05 Richard Guenther <rguenther@suse.de>
1679 PR tree-optimization/26763
1680 * fold-const.c (fold_comparison): Move folding of
1681 PTR + CST CMP PTR + CST ...
1682 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1684 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1686 * doc/install.texi (Prerequisites): Refine some wording on
1687 bootstrapping and ksh.
1688 Move the version numbers of DejaGnu here from the testing section
1689 and fix casing of names.
1690 Fix markup and clarify wording for autogen requirements.
1691 Refer to GCJ instead of just java.
1692 Refer to SVN instead of CVS.
1693 Describe diffutils as useful instead of necessary.
1694 (Downloading the source): Refer to SVN instead of CVS.
1695 Adjust a link to our web site accordingly.
1696 (Configuration): Fix casing of Bison.
1697 (Building): Refer to SVN instead of CVS.
1698 Fix a sentence on the use of Bison and remove duplicate (and
1699 incorrect) version number of Bison requirement.
1700 Remove one redundant list of packages needed for building.
1701 (Specific): Avoid reference to CVS.
1703 2006-04-04 Eric Christopher <echristo@apple.com>
1705 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1706 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1707 (rs6000_handle_struct_attribute): New.
1708 (rs6000_ms_bitfield_layout_p): Ditto.
1710 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1712 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1713 NULL for dso parameter to atexit_common.
1715 2006-04-04 Eric Christopher <echristo@apple.com>
1717 * config/i386/i386.c (machopic_output_stub): Output \t
1718 between instructions and operands.
1720 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1722 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1723 satisfies_constraint_[IL] to explicit tests on value.
1725 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1727 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1728 set_nb_iterations_in_loop): Use build_int_cst instead of
1730 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1731 build_int_cst instead of convert.
1733 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1735 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1736 new value 2 for incoming.
1737 * function.c (expand_function_start): Call struct_value_rtx
1739 * config/sparc/sparc.md: Comment updated_return.
1740 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1741 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1742 struct return if sparc_std_struct_return and incoming is 2.
1743 (print_operand): Do not adjust return if
1744 sparc_std_struct_return.
1746 2006-04-04 Roger Sayle <roger@eyesopen.com>
1748 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1749 convert in the middle-end.
1750 * expr.c (store_expr, store_constructor, get_inner_reference,
1751 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1753 * tree.c (build_range_type): Likewise.
1755 2006-04-04 Tom Tromey <tromey@redhat.com>
1757 * doc/install.texi (Prerequisites): Mention jar.
1759 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1761 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1764 2006-04-04 Matthias Klose <doko@debian.org>
1766 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1767 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1770 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1772 * doc/extend.texi (Function Attributes): Rewrite visibility
1773 attribute documentation.
1774 * doc/invoke.texi (C++ Dialect Options): Rewrite
1775 -fvisibility-inlines-hidden documentation to describe something
1776 entirely different, although in practise compatible.
1777 (Code Gen Options): Warn about system headers in -fvisibiltity=
1780 * doc/extend.texi (Other Builtins): Document that
1781 __builtin_nan is a compile-time constant only when its argument
1784 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1786 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1787 trying to remove TRUNCATE check if all bits outside the new mode
1788 are identical to the sign bit.
1790 2006-04-03 Jeff Law <law@redhat.com>
1792 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1793 and operand scanning in some common cases.
1795 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1796 Dale Johannesen <dalej@apple.com>
1799 * regclass.c (struct reg_pref): Update documentation.
1800 (regclass): Set prefclass to NO_REGS if memory is the best option.
1801 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1802 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1803 into account. For non-registers, equate an empty preferred
1804 reload class to a `!' in the constraint; move the if clause to
1805 do so after those that reject the insn.
1806 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1808 (find_dummy_reload): Likewise.
1809 * doc/tm.texi (Register Classes): Document what it means
1810 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1811 * config/i386/i386.c (ix86_preferred_reload_class): Force
1812 using SSE registers (and return NO_REGS for floating-point
1813 constants) if math is done with SSE.
1814 (ix86_preferred_output_reload_class): New.
1815 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1816 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1817 * config/i386/i386.md: Remove # register preferences.
1819 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1822 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1823 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1824 the type of nb_iter.
1825 (instantiate_parameters_1): Convert the operands before calling
1826 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1827 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1829 2006-04-02 Roger Sayle <roger@eyesopen.com>
1831 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1832 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1834 * dojump.c (do_jump): Likewise.
1835 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1836 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1837 gimplify_boolean_expr): Likewise.
1838 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1839 * varasm.c (array_size_for_constructor): Likewise.
1840 * tree-object-size.c (compute_object_offset): Likewise.
1842 2006-04-02 Roger Sayle <roger@eyesopen.com>
1845 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1846 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1848 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1850 PR tree-optimization/26939
1851 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1853 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1855 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1856 at_stmt. Convert the type of operands before calling
1857 build_polynomial_chrec.
1858 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1860 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1861 (instantiate_parameters_1): Convert the type of operands before calling
1862 build_polynomial_chrec.
1863 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1864 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1865 reset_evolution_in_loop): Insert asserts to check the types of the
1867 (chrec_type): Moved...
1868 (eq_evolutions_p): Use operand_equal_p.
1869 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1870 the types of the operands.
1871 (chrec_type): ...here.
1872 * tree-data-ref.c (create_data_ref): Convert the operands before
1873 calling chrec_replace_initial_condition.
1874 (same_access_functions, analyze_subscript_affine_affine,
1875 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1876 (compute_subscript_distance, analyze_ziv_subscript,
1877 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1878 analyze_miv_subscript): Convert the operands before calling
1879 chrec_fold_minus or chrec_fold_plus.
1881 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1883 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1884 the dependence_relations vector.
1885 (compute_data_dependences_for_loop): Adjust call to
1886 compute_all_dependences.
1888 2006-04-01 Roger Sayle <roger@eyesopen.com>
1889 Richard Henderson <rth@redhat.com>
1891 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1892 gimple_boolify on the condition before calling gimplify_expr.
1894 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1896 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1897 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1898 the frame size. Update to use the new macros.
1899 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1900 * config/xtensa/ieee754-df.S: Likewise.
1902 2006-03-31 Richard Henderson <rth@redhat.com>
1904 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1905 (make_edges): ... here. Control fallthru creation with a local
1906 variable. Do not play with fake edges.
1907 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1908 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1911 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1913 * dwarf2.h (DW64_CIE_ID): Define.
1914 * dwarf2out.c (DWARF_CIE_ID): Define.
1915 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1916 length header. Use DWARF_CIE_ID.
1917 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1918 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1920 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1922 * config/sh/linux-atomic.asm: New file.
1923 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1925 2006-03-31 DJ Delorie <dj@redhat.com>
1927 * config/m32c/cond.md: Set condition flags properly throughout.
1928 * config/m32c/minmax.md: Likewise.
1929 * config/m32c/prologue.md: Likewise.
1930 * config/m32c/bitops.md: Likewise.
1931 * config/m32c/muldiv.md: Likewise.
1932 * config/m32c/mov.md: Likewise.
1933 * config/m32c/addsub.md: Likewise.
1934 * config/m32c/m32c.md: Likewise.
1935 * config/m32c/jump.md: Likewise.
1936 * config/m32c/shift.md: Likewise.
1938 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1939 conditionally output the pattern for this.
1940 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1941 (m32c_compare_redundant): New.
1942 (m32c_output_compare): New.
1943 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1945 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1946 dest, not src. Allow other 4-byte modes.
1948 2006-03-30 Denis Chertykov <denisc@overta.ru>
1950 * doc/md.texi: Refer to avr/constraints.md instead of
1953 2006-03-30 Roger Sayle <roger@eyesopen.com>
1955 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1956 signed vs. unsigned comparison failures on some hosts.
1958 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1961 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1962 change to FLOAT_REGS.
1964 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1965 (rs6000_override_options): Use it.
1966 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1967 only for -mabi=spe/no-spe and -mabi=altivec.
1969 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1971 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1974 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1976 * Makefile.in: Rename docdir to gcc_docdir.
1978 2006-03-30 Roger Sayle <roger@eyesopen.com>
1981 * expr.c (emit_group_store): Optimize group stores into a pseudo
1982 register by using a paradoxical subreg to initialize the destination
1983 if the first or last member of the group specifies a "low part".
1985 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1988 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1989 * target.h (struct gcc_target.speculate_insn): Change type of the
1990 second parameter to 'int'.
1991 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1992 the second operand of the DEPS_LIST.
1993 (copy_DEPS_LIST_list): Update reference to the second operand of the
1995 * rtl.h (alloc_DEPS_LIST): Update signature.
1996 * sched-int.h (ds_t): Change typedef to 'int'.
1997 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1999 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2001 * haifa-sched.c (try_ready): Change condition to restore
2002 non-speculative pattern of the instruction.
2003 (process_insn_depend_be_in_spec): Code to keep probability of the
2004 speculative dependence non-decreasing.
2006 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2008 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2009 (single_move_for_movmem): ... this. Also change all uses.
2010 (bfin_expand_strmov): Renamed to...
2011 (bfin_expand_movmem): ... this. Also change all uses.
2012 * config/bfin/bfin.md (movstrsi): Renamed to...
2013 (movstrsi): ...this.
2015 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2017 PR tree-optimization/26830
2019 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2020 (copy_prop_visit_stmt): Remove write-only variable ann.
2021 (init_copy_prop): Check variable loop depth here. Do not simulate
2022 memory-tag and virtual operand PHIs except for store copy prop.
2024 2006-03-30 Richard Guenther <rguenther@suse.de>
2026 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2027 variants with double arguments.
2029 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2031 * genpreds.c (write_tm_constrs_h): Delete variable p.
2032 * genconditions.c (write_header): Add tm-constrs.h to included
2034 * genpeep.c (main): Add toplev.h to included headers.
2035 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2036 (build/genpeep.o): Add toplev.h dependency.
2037 * config/rs6000/constraints.md: Add "W" constraint.
2039 2006-03-29 Roger Sayle <roger@eyesopen.com>
2041 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2042 sizes by correctly testing whether the size fits a host integer.
2043 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2044 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2045 SImode range for the default sizetype and bitsizetype.
2047 2006-03-29 Roger Sayle <roger@eyesopen.com>
2049 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2050 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2051 quickly if the argument is already of the correct type.
2052 Call fold_build1 instead of build1. Tidy up blank lines.
2054 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2056 * genemit.c (main): Add tm-constrs.h to included headers.
2057 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2058 * genpeep.c (main): Add tm-constrs.h to included headers.
2059 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2060 (write_tm_constrs_h): this and write complete file.
2061 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2062 (write_insn_preds_c): Add tm-constrs.h to included headers.
2063 (gen_constrs): New variable.
2064 (parse_option): Parse "-c".
2065 (main): Invoke write_tm_constrs_h.
2066 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2067 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2068 (object_out_file): Add tm-constrs.h dependency.
2069 (insn-emit.o): Same.
2070 (insn-output.o): Same.
2071 (insn-peep.o): Same.
2072 (insn-preds.o): Same.
2073 (insn-recog.o): Same.
2074 (tm-constsr.h): New target.
2075 (s-constrs-h): New target.
2077 * config/rs6000/constraints.md: New file.
2078 * config/rs6000/rs6000.c: Include tm-constrs.h.
2079 (num_insn_constant_wide): Convert to satisfies_constraint.
2080 (rs6000_rtx_costs): Convert to satisfies_constraint.
2081 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2082 (CONST_OK_FOR_LETTER_P): Delete.
2083 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2084 (EXTRA_CONSTRAINT): Delete.
2085 (EXTRA_MEMORY_CONSTRAINT): Delete.
2086 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2087 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2088 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2089 satisfies_constraint.
2091 * config/i386/i386.c: Include tm-constrs.h.
2093 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2095 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2096 * tree-data-ref.c (find_data_references_in_loop,
2097 compute_data_dependences_for_loop): Use pointers to VEC.
2098 (analyze_all_data_dependences): Adjust calls.
2099 * tree-data-ref.h (find_data_references_in_loop,
2100 compute_data_dependences_for_loop): Adjust declarations.
2101 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2102 compute_data_dependences_for_loop.
2104 2006-03-29 Paul Brook <paul@codesourcery.com>
2106 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2109 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2111 PR tree-optimization/26859
2112 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2114 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2115 for the step after fold_convert.
2117 2006-03-29 Paul Brook <paul@codesourcery.com>
2119 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2120 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2122 2006-03-29 Paul Brook <paul@codesourcery.com>
2125 * targhooks.c (default_narrow_bitfield): New fuction.
2126 * targhooks.h (default_narrow_bitfield): add prototype.
2127 * target.h (gcc_target): Add narrow_volatile_bitfield.
2128 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2129 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2130 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2131 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2133 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2135 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2137 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2138 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2139 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2140 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2141 (s390_function_arg_float): Allow SDmode and DDmode values to be
2142 passed in floating point registers.
2143 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2144 check with SCALAR_FLOAT_MODE_P.
2145 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2147 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2149 PR tree-optimization/25985
2150 * tree-ssa-loop-niter.c (number_of_iterations_le,
2151 number_of_iterations_ne): Make comments more precise.
2152 (number_of_iterations_cond): Add only_exit argument. Use the
2153 fact that signed variables do not overflow only when only_exit
2155 (loop_only_exit_p): New.
2156 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2157 number_of_iterations_cond.
2159 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2161 PR tree-optimization/26643
2162 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2165 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2167 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2168 (divsi3_i4_int): Likewise.
2170 2006-03-28 Roger Sayle <roger@eyesopen.com>
2172 * expr.c (emit_group_store): Only create a new pseudo reg if the
2173 quantity it needs to hold isn't already a suitable pseudo.
2175 2006-03-28 Jeff Law <law@redhat.com>
2177 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2178 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2180 2006-03-28 Roger Sayle <roger@eyesopen.com>
2182 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2183 the equivalent ~X & Y, and the symmetry related transformations.
2184 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2185 ~X & Y, and symmetry related transforms.
2187 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2189 Revert my 2006-03-27 patches.
2191 2006-03-28 Roger Sayle <roger@eyesopen.com>
2193 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2194 ~(T1)X, when T1 and T2 are integer types of the same precision
2195 and (T2)X isn't an extension.
2197 2006-03-28 Jeff Law <law@redhat.com>
2199 PR tree-optimization/26796
2200 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2201 need EH edge cleanups rather than purging them immediately.
2202 (eliminate_degenerate_phis): Handle queued EH cleanups.
2204 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2206 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2209 2006-03-27 Roger Sayle <roger@eyesopen.com>
2212 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2213 cast BIT_NOT_EXPR operand to the correct type.
2215 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2217 * tree-loop-linear.c: Don't include varray.h.
2218 (gather_interchange_stats, try_interchange_loops,
2219 linear_transform_loops): Use VEC instead of VARRAY.
2220 * lambda-mat.c: Don't include varray.h.
2221 * tree-chrec.c: Same.
2222 * lambda-trans.c: Same.
2223 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2224 VEC instead of VARRAY.
2225 * tree-vectorizer.h: Idem.
2226 * tree-data-ref.c (dump_data_references,
2227 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2228 initialize_data_dependence_relation, finalize_ddr_dependent,
2229 compute_all_dependences, find_data_references_in_loop,
2230 compute_data_dependences_for_loop, analyze_all_data_dependences,
2231 free_dependence_relation, free_dependence_relations,
2232 free_data_refs): Idem.
2233 * tree-data-ref.h (data_reference_p, subscript_p): New.
2234 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2235 VEC instead of VARRAY.
2236 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2237 (find_data_references_in_loop, compute_data_dependences_for_loop,
2238 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2239 dump_data_dependence_relations, free_dependence_relations,
2240 free_data_refs): Adjust declaration.
2241 (lambda_transform_legal_p): Move declaration here...
2242 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2243 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2244 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2245 vect_analyze_data_refs): Use VEC instead of VARRAY.
2246 * lambda.h (lambda_transform_legal_p): ...from here.
2247 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2248 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2249 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2250 tree-chrec.o): Don't depend on VARRAY_H.
2252 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2254 * rtl.def (Copyright): Update date.
2255 (DEPS_LIST): Change type of the second operand to 'int'.
2256 * target.h (Copyright): Update date.
2257 (struct gcc_target.speculate_insn): Change type of the second parameter
2259 * lists.c (Copyright): Update date.
2260 (alloc_DEPS_LIST): Change signature. Update reference to the second
2261 operand of the DEPS_LIST.
2262 (copy_DEPS_LIST_list): Update reference to the second operand of the
2264 * rtl.h (Copyright): Update date.
2265 (alloc_DEPS_LIST): Update signature.
2266 * sched-int.h (Copyright): Update date.
2267 (ds_t): Change typedef to 'int'.
2268 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2270 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2272 * haifa-sched.c (Copyright): Update date.
2273 (try_ready): Change condition to restore non-speculative pattern
2275 (process_insn_depend_be_in_spec): Code to keep probability of the
2276 speculative dependence non-decreasing.
2278 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2280 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2281 shut up the compiler.
2283 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2285 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2286 to use lib prefix for target.
2287 ($(T)libic_invalidate_array_4-200.a): Likewise.
2288 ($(T)libic_invalidate_array_4a.a): Likewise.
2290 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2291 J"orn Rennecke <joern.rennecke@st.com>
2293 * superh.opt: New file.
2294 * sh.c (boardtype, osruntime): Remove.
2295 * superh.h (SUBTARGET_OPTIONS): Remove.
2296 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2298 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2299 arguments with ^ and/or [].
2301 * config.gcc (sh-*-*): Add quoting to account for quirk of
2303 Replace == with = in enable_incomplete_targets test.
2305 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2306 with MASK_LITTLE_ENDIAN.
2308 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2309 * config/sh/sh.opt: Added to some comments.
2310 * config/sh/superh.h: Removed some chaff.
2312 * config/sh/sh.opt: Add m4-[1234]00* options.
2313 * config/sh/sh.c (sh_handle_option): Likewise.
2314 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2315 (ic_invalidate_array_4-100.o): New rule.
2316 ($(T)libic_invalidate_array_4-100.a): Likewise.
2317 (ic_invalidate_array_4-200.o): Likewise.
2318 ($(T)libic_invalidate_array_4-200.a): Likewise.
2319 (ic_invalidate_array_4a.o): Likewise.
2320 ($(T)libic_invalidate_array_4a.a): Likewise.
2321 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2322 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2324 * config/sh/crt1.asm: Merged in profiling code.
2325 * config/sh/superh.h (STARTFILE_SPEC): Override.
2326 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2327 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2328 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2330 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2331 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2332 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2334 * sh.opt (mpretend-cmove): New option.
2335 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2336 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2337 (movsicc): Add TARGET_PRETEND_CMOVE code.
2339 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2341 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2342 s390_class_max_nregs): New function prototypes.
2343 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2344 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2345 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2346 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2348 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2350 * dwarf2out.c (add_location_or_const_value_attribute): Call
2351 tree_add_const_value_attribute if nothing else works.
2352 (reference_to_unused): New.
2353 (rtl_for_decl_init): Use reference_to_unused to decide whether
2354 to output an initializer.
2356 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2359 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2360 peephole removing spe frob_di_df_2.
2362 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2364 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2365 (subscript_dependence_tester_1): Declared.
2366 (print_dir_vectors, print_dist_vectors): New.
2367 (debug_data_dependence_relation): New.
2368 (dump_data_dependence_relation): Print more details.
2369 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2370 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2371 (save_dist_v, save_dir_v, add_outer_distances,
2372 build_classic_dist_vector_1): New.
2373 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2374 Don't test for lambda_vector_lexico_pos.
2375 (same_access_functions, add_multivariate_self_dist,
2376 add_other_self_distances, dir_from_dist): New.
2377 (build_classic_dir_vector): Replace implementation almost identical to
2378 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2380 (subscript_dependence_tester_1): New.
2381 (subscript_dependence_tester): Handle the lexicographically negative
2382 distance vectors by recomputing the dependence relation.
2383 (compute_affine_dependence): Remove parameter loop_nest_depth.
2384 (compute_self_dependence): Don't call compute_subscript_distance.
2385 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2386 Add a parameter for the loop_nest.
2387 (find_loop_nest_1, find_loop_nest): New.
2388 (compute_data_dependences_for_loop): Compute the loop nest, and give
2389 up if the nest is not well formed.
2390 * tree-data-ref.h (loop_p): New.
2391 (struct data_dependence_relation): Replace size_vect field with
2392 loop_nest, a vec of loops.
2393 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2394 (DDR_LOOP_NEST): New.
2395 (print_dir_vectors, print_dist_vectors,
2396 debug_data_dependence_relation): Declared.
2397 (index_in_loop_nest): New.
2398 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2399 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2402 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2404 * simplify-rtx.c (simplify_relational_operation): Call
2405 simplify_relational_operation_1 even if mode is VOIDmode.
2407 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2409 PR tree-optimization/26804
2410 * tree.h (DECL_CALL_CLOBBERED): New macro.
2411 (tree_decl_common): Add call_clobbered_flag.
2412 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2413 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2414 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2415 (mark_non_addressable): Ditto.
2416 * tree-ssa.c (verify_call_clobbered): New function.
2417 (verify_alias_info): Use it.
2418 * tree-pass.h (pass_reset_cc_flags): New prototype.
2419 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2420 (reset_cc_flags): New function.
2421 * passes.c (init_optimization_passes): Call reset_cc_flags after
2422 initializing referenced_vars.
2424 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2425 Roger Sayle <roger@eyesopen.com>
2428 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2429 to 1.0 for non-real operands. Implement A / A optimization for
2432 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2434 * config/i386/i386.c (size_cost): Correct the comment for
2435 cost of storing fp registers.
2436 (i386_cost): Likewise.
2437 (i486_cost): Likewise.
2438 (pentium_cost): Likewise.
2439 (pentiumpro_cost): Likewise.
2440 (k6_cost): Likewise.
2441 (athlon_cost): Likewise.
2442 (k8_cost): Likewise.
2443 (pentium4_cost): Likewise.
2444 (nocona_cost): Likewise.
2445 (generic64_cost): Likewise.
2446 (generic32_cost): Likewise.
2448 2006-03-24 Denis Chertykov <denisc@overta.ru>
2450 * config/avr/avr-protos.h (extra_constraint): Delete.
2451 (extra_constraint_Q): New declaration.
2452 * config/avr/constraints.md: New file.
2453 * config/avr/avr.md: Include it.
2454 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2455 (TMP_REGNO, ZERO_REGNO): Likewise.
2456 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2457 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2458 (extra_constraint): Delete.
2459 (extra_constraint_Q): Test for memory constraint 'Q'.
2460 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2461 (REG_CLASS_FROM_LETTER): Delete.
2462 (CONST_OK_FOR_LETTER_P): Delete.
2463 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2464 (EXTRA_CONSTRAINT): Delete.
2465 (TMP_REGNO): Delete.
2466 (ZERO_REGNO): Delete.
2468 2006-03-24 Jeff Law <law@redhat.com>
2470 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2471 directly. Call mark_new_vars_to_rename slightly earlier.
2473 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2475 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2477 (gen_compile_unit_die): Use new language types for Objective-C and
2479 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2480 DW_LANG_C_plus_plus.
2483 * config/t-darwin (crt3.o): Work around bug 26840.
2484 * config/darwin-crt3.c: Rewrite.
2485 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2487 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2489 * doc/invoke.texi: Document -femit-class-debug-always
2490 * common.opt: Add -femit-class-debug-always.
2492 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2494 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2495 index and base register.
2496 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2497 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2498 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2499 REGNO_OK_FOR_INDEX_P.
2500 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2502 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2503 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2504 REG_OK_FOR_BASE_P): Definitions removed.
2506 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2509 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2510 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2511 set yet or weren't marked as local yet.
2513 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2515 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2518 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2520 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2521 (rs6000_legitimate_small_data_p): Delete.
2522 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2523 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2524 and make static. Add forward declaration. Update uses.
2525 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2526 of offsettable_memref_p.
2527 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2528 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2530 2006-03-24 Jeff Law <law@redhat.com>
2532 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2533 around bug in immediate-use iterator.
2535 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2538 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2539 or __LITTLE_ENDIAN__.
2541 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2543 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2544 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2545 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2546 * config/sh/sh.opt (mdiv=): Amend description.
2547 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2548 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2549 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2550 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2551 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2552 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2553 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2554 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2555 TARGET_DIVIDE_CALL_FP.
2557 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2559 * haifa-sched.c (choose_ready): Fix type of the local variable.
2560 Move local variables. Add comment.
2561 (check_reg_live): Change signature. Make callable from debugger.
2562 * sched-int.h (check_reg_live): Update signature.
2563 * sched-ebb.c (check_reg_live): Update parameters.
2564 * sched-rgn.c (check_reg_live): Ditto.
2565 (region_head_or_leaf_p): Check pointer before dereferencing.
2566 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2567 before reload on optimization levels below 1.
2569 2006-03-23 Richard Henderson <rth@redhat.com>
2571 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2575 * config/alpha/predicates.md (local_symbolic_operand): Reject
2578 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2581 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2582 expressions which have overflowed constants.
2584 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2586 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2588 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2590 * cfgloopmanip.c (create_loop_notes): Removed.
2591 * final.c (final_scan_insn): Do not handle loop notes.
2592 * jump.c (squeeze_notes): Ditto.
2593 * cfglayout.c (skip_insns_after_block,
2594 duplicate_insn_chain): Ditto.
2595 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2597 * cfgloop.h (create_loop_notes): Declaration removed.
2599 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2601 * varasm.c (output_constant_pool): Restore fnname and fndecl
2603 (assemble_start_function): Adjust call accordingly.
2604 (assemble_end_function): Likewise.
2606 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2609 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2612 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2614 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2617 * system.h (ICE_EXIT_CODE): New macro.
2618 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2619 (diagnostic_action_after_output): Likewise.
2620 * gcc.c (fatal_ice): New function.
2621 (execute): Use it instead of fatal.
2622 (fancy_abort): Likewise.
2623 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2625 2006-03-22 Jeff Law <law@redhat.com>
2627 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2628 iv_analyze_result returning false.
2630 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2632 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2634 2006-03-22 Richard Henderson <rth@redhat.com>
2637 * except.c (duplicate_eh_regions_0): New.
2638 (duplicate_eh_region_1): Duplicate the children of the node as
2639 well as the node itself. Link them up properly.
2640 (duplicate_eh_region_2): Merge into ...
2641 (duplicate_eh_regions): ... here. Take copy_region argument, and
2642 copy only a sub-tree if asked. Simplify copying and fixup.
2643 (eh_region_outer_p): New.
2644 * except.h (duplicate_eh_regions): Update decl.
2645 (eh_region_outer_p): Declare.
2646 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2647 (lower_omp_master): Likewise.
2648 (lower_omp_ordered): Likewise.
2649 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2650 (move_stmt_r): Use it to remap labels. Handle recursion vs
2651 remap_decls_p properly.
2652 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2653 (find_outermost_region_in_block): New.
2654 (new_label_mapper): New.
2655 (move_sese_region_to_fn): Copy eh information to the new function
2657 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2659 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2662 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2664 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2665 into shared libraries.
2667 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2669 * doc/md.texi: Refer to i386/constraints.md instead of
2671 * config/i386/constraints.md: New file, extracted from...
2672 * config/i386/predicates.md: ...here.
2673 * config/i386/i386.md: Include constraints.md.
2675 2006-03-21 Jason Merrill <jason@redhat.com>
2677 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2680 * expr.c (init_block_move_fn): Force default visibility.
2681 (init_block_clear_fn): Likewise.
2682 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2683 * targhooks.c (default_external_stack_protect_fail): Likewise.
2685 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2687 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2688 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2689 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2690 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2691 (loadgp): Use mips_current_loadgp_style.
2692 (loadgp_noshared): New pattern.
2693 (sibcall_internal): Use MIPS_CALL.
2694 (sibcall_value_internal): Likewise.
2695 (sibcall_value_multiple_internal): Likewise.
2696 (call_internal): Likewise.
2697 (call_value_internal): Likewise.
2698 (call_value_multiple_internal): Likewise.
2699 (call_split): Use MIPS_CALL and add an 'S' constraint.
2700 (call_value_split): Likewise.
2701 (call_value_multiple_split): Likewise.
2702 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2703 (-mshared): New option.
2704 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2705 (mips_current_loadgp_style): Declare.
2706 * config/mips/mips.c (mips_classify_symbol): Avoid using
2707 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2708 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2709 TARGET_ABSOLUTE_ABICALLS.
2710 (override_options): Adjust comments. Improve the warning that is
2711 issued when -mabicalls and -G are used together.
2712 (mips_file_start): Remove comment.
2713 (mips_current_loadgp_style): New function.
2714 (mips_gnu_local_gp): New variable.
2715 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2717 (mips_output_function_prologue): Use mips_current_laodgp_style.
2718 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2719 the cprestore instruction.
2720 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2721 live for TARGET_ABSOLUTE_ABICALLS.
2722 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2723 (ASM_SPEC): Pass down -mshared and -mno-shared.
2724 (MIPS_CALL): New macro.
2725 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2727 * doc/invoke.texi (-mabicalls): Update documentation.
2728 (-mshared): Document.
2730 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2732 * config/ia64/unwind-hpux.c: New file.
2733 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2735 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2738 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2740 2006-03-21 Jeff Law <law@redhat.com>
2742 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2743 type conversions of a VR_VARYING source to a wider type.
2745 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2747 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2748 tm_file on Solaris 10 and later.
2749 (sparc64-*-solaris2*): Likewise.
2750 (sparc-*-solaris2*): Likewise.
2751 * config/sol26.h: Rename to config/sol2-6.h.
2752 * config/sol2-10.h: New file.
2754 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2757 * tree-ssa-pre.c (create_component_ref_by_pieces):
2760 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2763 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2764 return it immediately.
2766 2006-03-21 Michael Matz <matz@suse.de>
2768 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2770 (remove_arc, add_arc): Update num_out_arcs member.
2771 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2773 (cache_presence): New function.
2774 (compare_states_for_equiv): New function.
2775 (state_is_differed): Don't take number of outargs, adjust callers.
2776 Use new invariant for speeding up.
2777 (init_equiv_class): Create initial classes based on sorted
2779 (partition_equiv_class): Don't track out_arcs_num.
2780 (evaluate_equiv_classes): Call cache_presence on all states and
2783 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2785 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2786 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2787 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2788 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2790 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2791 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2792 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2793 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2794 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2796 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2797 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2798 (REGNO_REG_CLASS): ARGP is in PREGS.
2799 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2801 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2802 to deal with those addresses.
2803 * addresses.h: New file.
2804 * caller-save.c: Include "addresses.h".
2805 (init_caller_save): Use new base_reg_class function.
2806 * rtl-factoring.c: Include "addresses.h".
2807 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2808 * recog.c: Include "addresses.h".
2809 (preprocess_constraints): Use new base_reg_class function.
2810 * regrename.c: Include "addresses.h".
2811 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2812 functions. Keep track of a new var INDEX_CODE to compute valid
2814 (replace_oldest_value_addr): Likewise.
2815 (replace_oldest_value_mem): Use base_reg_class.
2816 * reload.c: Include "addresses.h".
2817 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2818 (find_reloads): Use new base_reg_class function.
2819 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2820 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2821 all callers and prototype changed.
2822 * reload1.c: Include "addresses.h".
2823 (maybe_fix_stack_asms): Use base_reg_class.
2824 * regclass.c: Include "addresses.h".
2825 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2826 (init_reg_autoinc): Use new base_reg_class function.
2827 (record_reg_classes): Likewise.
2828 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2829 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2830 Use new args to compute necessary class.
2832 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2833 regrename.o, rtl-factoring.o): Update dependencies.
2834 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2835 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2836 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2837 REG_OK_FOR_INDEX_P): Delete documentation.
2839 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2841 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2842 from V7 to V9 for Solaris 7 and above.
2844 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2846 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2847 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2848 argument pointers may not alias any other storage.
2849 * common.opt: Define option -fargument-noalias-anything.
2850 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2851 alias semantics is specified by flag_argument_noalias > 2.
2853 2006-03-20 Jeff Law <law@redhat.com>
2855 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2856 (pass_phi_only_cprop): Declare.
2857 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2859 * tree-ssa-dom.c (degenerate_phi_result): New function.
2860 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2861 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2862 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2863 (eliminate_degenerate_phis): Likewise.
2864 (pass_phi_only_cprop): New pass descriptor.
2865 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2866 support code. Callers updated.
2867 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2868 (store_copy_prop): Likewise.
2869 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2871 2006-03-20 Jason Merrill <jason@redhat.com>
2874 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2875 (push_visibility, pop_visibility): Likewise.
2876 * c-pragma.h: Declare them.
2878 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2880 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2882 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2883 parameter and use get_ebb_head_tail.
2884 (sh_md_init_global): Adjust uses of find_regmode_weight.
2886 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2888 * function.h (struct function) <x_tail_recursion_reentry>:
2889 Rename to x_stack_check_probe_note.
2890 (tail_recursion_reentry): Rename to stack_check_probe_note.
2891 * function.c: Replace tail_recursion_reentry with
2892 stack_check_probe_note everywhere.
2893 (expand_function_start): Only emit a note for
2894 stack_check_probe_note with -fstack-protect.
2895 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2897 * emit-rtl.c (remove_unnecessary_notes): Remove.
2898 (pass_remove_unnecessary_notes): Remove.
2899 * rtl.h (remove_unnecessary_notes): Remove prototype.
2900 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2901 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2902 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2904 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2907 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2908 (valid_in_set): Handle ARRAY_REF.
2909 Change "if min_variant or VH" to asserts.
2910 (create_component_ref_by_pieces): Handle ARRAY_REF.
2911 (create_expression_by_pieces): Likewise.
2912 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2914 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2916 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2917 is operand of switch, not str[0].
2919 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2921 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2922 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2924 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2926 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2927 end of insn_extra_address_constraint declaration.
2929 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2931 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2932 (no-sum-in-toc): Same.
2933 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2935 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2936 NO_FP_IN_TOC for -fPIC instead of mask.
2938 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2939 (BOOT_LDFLAGS): Delete.
2941 * config/rs6000/t-aix52: Same.
2943 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2944 (stmsi[345678]_power): New.
2946 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2948 * config/ia64/ia64.opt: Add empty line to end of file.
2950 2006-03-17 Richard Guenther <rguenther@suse.de>
2953 * builtins.c (get_pointer_alignment): For component style references
2954 adjust alignment to the component type alignment. Make sure
2955 to adjust alignment for component access of constants.
2957 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2959 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2962 2006-03-17 Paul Brook <paul@codesourcery.com>
2964 * doc/install.texi: Docuemnt --with-mode.
2965 * config.gcc: Add --with-mode for arm*-*-*.
2966 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2968 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2970 * sh.c (max_labelno_before_reorg): New variable.
2971 (sh_reorg): Initialize it.
2972 (find_barrier): Check max_labelno_before_reorg before using
2973 label_to_alignment. Take length of explicit alignment insns
2974 into account. When seeing a UNSPECV_CONST_END, return it.
2976 * sh.c (fixup_mova): Set mode of affected label to QImode.
2977 (untangle_mova): New function.
2978 (find_barrier): Use it. Check mode of label before decrementing
2980 (sh_reorg): Likewise.
2981 Set mode of all insns back to VOIDmode.
2983 * sh.c (MOVA_LABELREF): New macro.
2984 (mova_p, fixup_mova, sh_reorg): Use it.
2985 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2986 ADDR_DIFF_VEC matches mova.
2988 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2990 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2991 with ATTRIBUTE_UNUSED.
2993 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2995 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2996 pointer, instead of assuming it is possible to derive the
2997 correct args size from a call insn.
2999 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3001 * rtl.h (CONST_INT_P): Define.
3002 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3003 instead of GET_CODE(x) == CONST_INT.
3004 (vax_rtx_costs): Likewise.
3005 (vax_output_int_move): Likewise.
3006 (vax_output_int_add): Likewise.
3007 (legitimate_constant_address_p): Likewise.
3008 (index_term_p): Likewise.
3009 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3010 * config/vax/vax.md (and<mode>3): Likewise.
3011 (ashrsi3): Likewise.
3013 (movstricthi): Likewise.
3014 (movstrictqi): Likewise.
3015 (rotrsi3): Likewise.
3016 (five unnamed insns): Likewise.
3018 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3020 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3021 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3022 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3023 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3024 Pass to ASM_OUTPUT_DWARF_OFFSET.
3025 * dwarf2out.c (debug_frame_section): New.
3026 (output_call_frame_info): Use debug_frame_section. Pass it to
3027 dw2_asm_output_offset.
3028 (output_die): Pass appropriate section to dw2_asm_output_offset.
3029 (output_compilation_unit_header): Likewise.
3030 (output_pubnames): Likewise.
3031 (output_aranges): Likewise.
3032 (enum dw_val_class): Break dw_val_class_lbl_offset into
3033 dw_val_class_lineptr and dw_val_class_macptr.
3034 (add_AT_lbl_offset): Delete.
3035 (add_AT_lineptr): New.
3036 (add_AT_macptr): New.
3037 (AT_lbl): Expect a lineptr or macptr.
3038 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3039 (attr_checksum): Likewise.
3040 (same_dw_val_p): Likewise.
3041 (size_of_die): Likewise.
3042 (value_format): Likewise.
3043 (output_die): Likewise.
3044 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3046 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3047 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3048 * config/darwin-protos.h (darwin_file_start): New.
3049 (darwin_asm_output_dwarf_offset): New.
3050 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3051 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3053 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3054 if not EH section; simplify.
3055 (darwin_file_start): New.
3056 (darwin_asm_output_dwarf_offset): New.
3057 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3059 (DEBUG_INFO_SECTION): Likewise.
3060 (DEBUG_ABBREV_SECTION): Likewise.
3061 (DEBUG_ARANGES_SECTION): Likewise.
3062 (DEBUG_MACINFO_SECTION): Likewise.
3063 (DEBUG_LINE_SECTION): Likewise.
3064 (DEBUG_LOC_SECTION): Likewise.
3065 (DEBUG_PUBNAMES_SECTION): Likewise.
3066 (DEBUG_STR_SECTION): Likewise.
3067 (DEBUG_RANGES_SECTION): Likewise.
3068 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3069 (ASM_OUTPUT_DWARF_OFFSET): New.
3071 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3073 * config.gcc (tm_defines): Always add to previous value rather
3076 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3078 * config/mips/predicates.md (splittable_const_int_operand): New,
3079 split from move_operand.
3080 (splittable_symbolic_operand): New.
3081 (move_operand): Add commentary. Use splittable_const_int_operand.
3082 Inline mips_atomic_symbolic_constant_p.
3083 * config/mips/mips.md: Add combine splitters for handling moves
3084 of splittable_const_int_operands and splittable_symbolic_operands.
3085 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3086 (mips_split_symbol): Declare.
3087 (mips_move_integer): Declare.
3088 * config/mips/mips.c (mips_split_p): Make global.
3089 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3090 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3091 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3092 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3093 (mips_offset_within_object_p): Handle block symbols.
3094 (mips_atomic_symbolic_constant_p): Delete.
3095 (mips_cannot_force_const_mem): Return false for constants that
3096 mips_legitimize_move can handle.
3097 (mips_use_blocks_for_constant_p): New function.
3098 (mips_split_symbol): Make global.
3099 (mips_move_integer): Likewise. Add a temporary register argument.
3100 (mips_legitimize_const_move): Use splittable_const_int_operand and
3101 splittable_symbolic_operand.
3102 (mips_use_anchors_for_symbol_p): New function.
3103 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3104 (mips_split_p): Declare.
3106 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3108 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3109 (mips*-*-linux*): Likewise.
3111 2006-03-16 Roger Sayle <roger@eyesopen.com>
3112 Daniel Speyer <dspeyer@wam.umd.edu>
3115 * tree-dump.c (dump_real): New function.
3116 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3117 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3118 (tree-dump.o): Add $(REAL_H) to the dependencies.
3120 2006-03-16 Roger Sayle <roger@eyesopen.com>
3123 * real.c (real_from_string): If the mantissa is zero, don't bother
3124 parsing the exponent as the result should always be zero.
3126 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3128 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3130 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3132 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3133 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3134 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3135 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3136 ia64_sched_finish_global): New static functions to implement
3137 hooks from gcc_target.sched.
3138 (spec_check_no, max_uid, pending_data_specs): New static variables.
3139 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3140 ia64_spec_check_src_p): New static functions.
3141 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3142 (TARGET_SCHED_ADJUST_COST): Removed.
3143 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3144 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3145 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3146 TARGET_SCHED_GEN_CHECK,
3147 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3148 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3149 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3150 Fixed to handle speculation checks.
3151 (rtx_needs_barrier): Fixed to handle speculative loads and
3153 (ia64_variable_issue): Added code to count speculative loads and their
3155 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3157 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3159 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3161 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3162 (ia64_reorg): Reset stops_p to NULL after it is freed.
3163 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3164 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3165 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3167 (data_speculative, control_speculative, check_load): New attributes.
3168 (mov<mode>_advanced, mov<mode>_speculative,
3169 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3170 zero_extend<mode>di2_speculative,
3171 zero_extend<mode>di2_speculative_advanced): New patterns for
3172 data and control speculative loads.
3173 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3175 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3176 New pattern for data and control speculation checks.
3177 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3178 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3179 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3180 Auxiliary definitions for the patterns.
3181 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3182 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3184 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3186 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3187 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3188 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3189 New resource constraints.
3190 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3192 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3193 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3194 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3195 msched-in-control-spec, msched-ldc, msched-control-ldc,
3196 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3197 msched-prefer-non-control-spec-insns,
3198 msched-count-spec-in-critical-path): New flags to tune speculative
3200 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3201 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3202 msched-in-control-spec, msched-ldc, msched-control-ldc,
3203 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3204 msched-prefer-non-control-spec-insns,
3205 msched-count-spec-in-critical-path): Document new flags.
3207 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3209 * target.h (struct spec_info_def): New opaque declaration.
3210 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3211 speculate_insn, needs_block_p, gen_check,
3212 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3213 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3214 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3215 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3216 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3217 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3219 (TARGET_SCHED): Use new macros.
3220 * rtl.h (copy_DEPS_LIST_list): New prototype.
3221 * sched-int.h (struct sched_info): Change signature of new_ready field,
3222 adjust all initializations. New fields: add_remove_insn,
3223 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3224 region_head_or_leaf_p.
3225 (struct spec_info_def): New structure declaration.
3226 (spec_info_t): New typedef.
3227 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3228 recovery_block, orig_pat.
3229 (glat_start, glat_end): New variables declaraions.
3230 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3232 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3233 DETACH_LIFE_INFO, USE_GLAT.
3234 (enum SPEC_SCHED_FLAGS): New enumeration.
3235 (NOTE_NOTE_BB_P): New macro.
3236 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3237 attach_life_info, debug_spec_status, check_reg_live): New functions.
3238 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3239 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3241 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3242 * ddg.c (get_block_head_tail): Adjust all uses.
3243 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3244 (sms_sched_info): Initialize new fields.
3245 (contributes_to_priority): Removed.
3246 * haifa-sched.c (params.h): New include.
3247 (get_block_head_tail): Adjust all uses.
3248 (ISSUE_POINTS): New macro.
3249 (glat_start, glat_end): New global variables.
3250 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3251 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3252 old_last_basic_block, before_recovery, current_sched_info_var,
3253 rgn_n_insns, luid): New static variables.
3254 (insn_cost1): New function. Move logic from insn_cost to here.
3255 (find_insn_reg_weight1): New function. Move logic from
3256 find_insn_reg_weight to here.
3257 (reemit_notes, move_insn, max_issue): Change signature.
3258 (move_insn1): Removed.
3259 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3260 extend_bb): New static functions to support extension of scheduler's
3262 (generate_recovery_code, process_insn_depend_be_in_spec,
3263 begin_speculative_block, add_to_speculative_block,
3264 init_before_recovery, create_recovery_block, create_check_block_twin,
3265 fix_recovery_deps): New static functions to support
3266 generation of recovery code.
3267 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3268 restore_bb_notes, move_block_after_check, move_succs): New static
3269 functions to support ebb scheduling.
3270 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3271 functions to support handling of register live information.
3272 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3273 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3274 add_jump_dependencies): New static functions.
3275 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3276 consistancy checking.
3277 (debug_spec_status): New function to call from debugger.
3278 (priority): Added code to handle speculation checks.
3279 (rank_for_schedule): Added code to distinguish speculative instructions.
3280 (schedule_insn): Added code to handle speculation checks.
3281 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3282 Fixed to handle ebbs.
3283 (move_insn): Added code to handle ebb scheduling.
3284 (max_issue): Added code to use ISSUE_POINTS of instructions.
3285 (choose_ready): Added code to choose between speculative and
3286 non-speculative instructions.
3287 (schedule_block): Added code to handle ebb scheduling and scheduling of
3288 speculative instructions.
3289 (sched_init): Initialize new variables.
3290 (sched_finish): Free new variables. Print statistics.
3291 (try_ready): Added code to handle speculative instructions.
3292 * lists.c (copy_DEPS_LIST_list): New function.
3293 * sched-deps.c (extend_dependency_caches): New function. Move logic
3294 from create_dependency_caches to here.
3295 (get_dep_weak, ds_merge): Make global.
3296 * genattr.c (main): Code to output prototype for
3297 dfa_clear_single_insn_cache.
3298 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3299 (output_dfa_clean_insn_cache_func): Code to output
3300 dfa_clear_single_insn_cache function.
3301 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3303 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3305 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3306 New static variables.
3307 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3308 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3310 (ebb_sched_info): Initialize new fields.
3311 (get_block_head_tail): Adjust all uses.
3312 (compute_jump_reg_dependencies): Fixed to use glat_start.
3313 (schedule_ebb): Code to remove unreachable last block.
3314 (schedule_ebbs): Added code to update register live information.
3315 * sched-rgn.c (region_sched_info): Initialize new fields.
3316 (get_block_head_tail): Adjust all uses.
3317 (last_was_jump): Removed. Adjust users.
3318 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3319 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3320 Implement new hooks.
3321 (check_dead_notes1): New static function.
3322 (struct region): New fields: dont_calc_deps, has_real_ebb.
3323 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3324 (BB_TO_BLOCK): Fixed to handle EBBs.
3325 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3326 (ebb_head): New static variable.
3327 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3328 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3330 (compute_dom_prob_ps): New assertion.
3331 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3332 global_live_at_start.
3333 (init_ready_list): New assertions.
3334 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3335 (new_ready): Add support for BEGIN_CONTROL speculation.
3336 (schedule_insns): Fixed code that updates register live information
3338 (schedule_region): Fixed to handle EBBs.
3339 (init_regions): Use extend_regions and check_dead_notes1.
3340 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3341 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3342 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3343 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3344 TARGET_SCHED_GEN_CHECK,
3345 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3346 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3347 * doc/invoke.texi (max-sched-insn-conflict-delay,
3348 sched-spec-prob-cutoff): Document.
3350 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3352 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3353 inter_tick, queue_index.
3354 (struct sched_info): Change signature of init_ready_list field.
3355 Adjust all initializations.
3356 (RESOLVED_DEPS): New access macro.
3357 (ready_add): Remove prototype.
3358 (try_ready): Add prototype.
3359 * sched-rgn.c (init_ready_list): Use try_ready.
3360 (schedule_region): Initialize
3361 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3362 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3363 (init_ready_list): Use try_ready.
3364 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3365 * lists.c (remove_list_elem): Remove `static'.
3366 (remove_free_INSN_LIST_elem): New function.
3367 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3368 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3369 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3371 (readyp): New variable.
3372 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3373 change_queue_index, resolve_dep): New static functions.
3374 (try_ready): New function. Adjust callers in sched-rgn.c and
3375 sched-ebb.c to use it instead of ready_add.
3376 (clock_var): Move at the begining of file.
3377 (rank_for_schedule): Fix typo.
3378 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3379 (ready_lastpos): Enforce assertion.
3380 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3382 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3383 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3384 (queue_to_ready): Use free_INSN_LIST_list.
3385 (early_queue_to_ready): Fix typo.
3386 (schedule_block): Init readyp. Move init_ready_list call after the
3387 initialization of clock_var. Fix error in rejecting insn by
3388 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3389 that previously corrected INSN_TICKs. Add code for handling
3391 (set_priorities): Fix typo.
3392 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3393 Clarify comment and code that keeps current_sched_info->next_tail
3396 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3398 * sched-rgn.c (extend_rgns): New static function.
3399 (find_rgns): Use it.
3400 (gather_region_statistics, print_region_statistics): New static
3402 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3403 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3405 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3406 Andrey Belevantsev <abel@ispras.ru>
3408 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3409 * lists.c (unused_deps_list): New variable.
3410 (free_list): Add assertions to verify the proper distinguishing
3411 between INSN_LISTs and DEPS_LISTs.
3412 (find_list_elem, remove_list_elem, remove_list_node): New static
3414 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3415 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3416 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3417 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3419 (free_INSN_LIST_node): Likewise.
3420 * modulo-sched.c (current_sched_info): Initialize flags field.
3421 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3422 * rtl.def (DEPS_LIST): Define.
3423 * rtl.h: Declare new functions from lists.c.
3424 * sched-deps.c (spec_dependency_cache): New static variable.
3425 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3426 (add_dependence): Change return type to void. Move the logic to ...
3427 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3428 (delete_all_dependences): Add comment about forward_dependency_cache.
3429 Handle spec_dependency_cache. Handle DEPS_LISTs.
3430 (fixup_sched_groups): Clarify the change of priority of output
3431 and anti dependencies.
3432 (sched_analyze_2): Adjust add_dependence calls to create data
3433 speculative dependence.
3434 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3435 Adjust all callers. Handle DEPS_LISTS.
3436 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3437 presence of speculation.
3438 (init_dependency_caches, free_dependency_caches):
3439 Handle spec_dependency_cache.
3440 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3441 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3442 New static functions.
3443 (add_or_update_back_dep, add_or_update_back_forw_dep,
3444 add_back_forw_dep, delete_back_forw_dep): New functions.
3445 * sched-int.h (ds_t, dw_t): New typedefs.
3446 (struct sched_info): Add new field flags.
3447 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3448 Prototype new sched-deps.c functions.
3449 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3450 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3451 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3452 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3453 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3454 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3456 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3458 * sched-rgn.c (current_sched_info): Initialize flags field.
3459 (schedule_insns): Initialize current_sched_info before the sched_init
3461 * sched-ebb.c (current_sched_info): Initialize flags field.
3462 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3463 Call add_or_update_back_dep instead of add_dependence.
3464 Create control speculative dependencies.
3465 (schedule_insns): Initialize current_sched_info before the sched_init
3468 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3470 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3472 (sh_fallback_frame_state): Likewise.
3474 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3476 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3477 Do switch on default_use_cxa_atexit.
3478 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3479 * config/darwin-crt3.o: New.
3480 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3481 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3482 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3484 * config/rs6000/t-darwin: Move crt2.o building to here.
3485 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3486 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3489 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3491 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3492 from '! xxx' to '!xxx' for coding-style conformance.
3493 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3494 (EXTRA_CONSTRAINT): Likewise.
3495 * config/vax/vax.md (four unnamed insns): Likewise.
3497 2006-03-15 Paul Brook <paul@codesourcery.com>
3499 * config/arm/arm.c (minipool_pad): New.
3500 (add_minipool_forward_ref): Include pool alignment padding in address
3502 (push_minipool_fix): Set minipool_pad.
3503 (minipool_pad): Ditto.
3505 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3507 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3508 instead of GET_CODE() == MEM and REG_P() instead of
3510 (print_operand_address): Likewise.
3511 (vax_address_cost): Likewise.
3512 (vax_rtx_costs): Likewise.
3513 (vax_notice_update_cc): Likewise.
3514 (vax_output_int_add): Likewise.
3515 (INDEX_REGISTER_P): Likewise.
3516 (BASE_REGISTER_P): Likewise.
3517 (nonindexed_address_p): Likewise.
3518 (vax_mode_dependent_address_p): Likewise.
3519 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3520 (PRINT_OPERAND): Likewise.
3521 * config/vax/vax.md (ashlsi3): Likewise.
3522 (ashlsi3): Likewise.
3523 (some more unnamed insns): Likewise.
3525 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3527 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3528 iterator-style macro.
3529 (mark_control_dependent_edges_necessary): Update the use of
3530 EXECUTE_IF_CONTROL_DEPENDENT.
3532 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3534 * config/sh/predicates.md (cache_address_operand): Special.
3535 (ua_address_operand): Likewise.
3537 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3539 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3541 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3543 2006-03-15 Andreas Schwab <schwab@suse.de>
3545 * gensupport.c (identify_predicable_attribute): Don't free p_false
3546 when it is still in use.
3548 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3550 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3551 the default setting here.
3553 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3555 * tree-pass.h (pass_cfg): Remove.
3556 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3557 * passes.c (pass_cfg): Don't run it.
3559 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3561 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3562 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3564 (stack_regs_mentioned): Update the uses of
3565 stack_regs_mentioned_data. Don't access the array beyond its
3567 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3568 Don't include gt-reg-stack.h.
3570 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3571 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3573 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3576 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3579 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3581 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3583 2006-03-14 Richard Guenther <rguenther@suse.de>
3585 PR tree-optimization/26672
3586 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3589 2006-03-14 Richard Guenther <rguenther@suse.de>
3591 PR tree-optimization/26667
3592 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3593 node for the callees. Always allow inlining if it will shrink
3596 2006-03-14 Richard Guenther <rguenther@suse.de>
3599 * builtins.c (get_pointer_alignment): Prefer alignment
3600 information from decls over that from types.
3602 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3605 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3607 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3609 * config/rs6000/rs6000.opt (mdlmzb): New option.
3610 (msched-prolog, msched-epilog): Use Var not Mask.
3611 * doc/invoke.texi (-mdlmzb): Document.
3612 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3614 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3615 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3617 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3619 PR rtl-optimization/25739
3620 * bt-load.c (augment_live_range): Free tos pointer.
3622 * gensupport.c (identify_predicable_attribute): Free
3624 * gcov.c (create_file_names): Free name pointer.
3626 2006-03-13 Roger Sayle <roger@eyesopen.com>
3629 * stmt.c (emit_case_nodes): Handle the case where the index is a
3630 CONST_INT, where the comparison mode is specified by the index type.
3632 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3634 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3637 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3639 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3640 (*branch_fp_inverted): Likewise.
3642 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3645 * omp-low.c (expand_omp_for_generic): Mark istart0
3646 and iend0 as addressable.
3648 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3650 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3652 2006-03-13 Jeff Law <law@redhat.com>
3654 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3655 virtual operands are interesting.
3656 (vrp_visit_stmt): Corresponding changes.
3658 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3660 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3662 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3663 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3664 * config/bfin/crti.S: Use it instead of __PIC__.
3665 * config/bfin/crtn.S: Likewise.
3667 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3668 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3670 Lose 'G' modifier for call operand.
3671 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3672 recognize 'G' modifier.
3674 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3677 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3678 * stmt.c (expand_case): Likewise.
3680 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3682 PR rtl-optimization/26254
3683 * loop-invariant.c (seq_insns_valid_p): New function.
3684 (move_invariant_reg): Only emit new code if it is valid.
3686 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3688 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3690 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3691 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3692 (commit_one_edge_insertion): Do not look for loop notes.
3694 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3696 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3697 flag_test_coverage out of loop.
3699 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3701 * final.c (shorten_branches): Remove outdated comment, and turn
3702 the if branch that guards it to continue.
3704 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3706 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3707 * cfgloop.h (struct loop): Remove unused fields.
3709 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3711 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3712 (-dL, -fdump-rtl-loop2): Update the dump file names
3714 * doc/invoke.texi: Update dump file names.
3716 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3718 * predict.c (estimate_probability): Remove.
3719 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3720 * basic-block.h (estimate_probability): Remove prototype.
3721 * passes.c (finish_optimization_passes): Dump branch prediction or
3722 profiling heuristics to the .profile tree dump.
3723 (init_optimization_passes): Unqueue pass_branch_prob.
3725 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3727 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3729 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3730 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3732 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3734 * function.h (frame_offset_overflow): Declare.
3735 * function.c (frame_offset_overflow): New function.
3736 (assign_stack_local_1): Call it to detect that the offset overflows.
3737 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3739 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3741 * config/sh/sh.c: Include alloc-pool.h.
3742 (label_ref_list_pool): New alloc pool.
3743 (label_ref_list_t): New type for lists of labels.
3744 (struct pool_node): Make wend a label_ref_list_t.
3745 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3747 (dump_table): Likewise.
3748 (sh_reorg): Set up the alloc pool before using add_constant and
3749 dump_table, and destroy it when finishing.
3751 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3753 * config/mips/mips.c: Remove redundant comment.
3755 2006-03-10 Jason Merrill <jason@redhat.com>
3758 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3759 the target was declared 'register'.
3761 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3763 * genpreds.c (write_insn_constraint_len): Change definition of
3764 insn_constraint_len to return size_t to match the declaration.
3766 2006-03-10 DJ Delorie <dj@redhat.com>
3768 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3770 (m32c_expand_insv): Fix test for an AND mask.
3772 2006-03-10 Richard Guenther <rguenther@suse.de>
3775 * builtins.c (get_pointer_alignment): Handle component
3776 references for field alignment.
3778 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3780 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3781 when building with libgloss.
3782 (sh*elf): Implement --without-fp option.
3783 (sh64-superh-linux*): Don't multilib.
3785 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3787 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3789 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3791 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3792 Set it when one of the replacement functions returned true.
3793 Return TODO_cleanup_cfg if cfgchanged is true.
3794 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3796 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3798 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3799 instead of gen_lowpart.
3801 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3803 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3805 (mips_output_order_conditional_branch): Declare.
3806 * config/mips/mips.h (MIPS_BRANCH): New macro.
3807 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3808 for the comparison. Use gen_condjump.
3809 (mips_output_conditional_branch): Rework interface to take the
3810 asm templates for a direct branch and the inverse of a direct branch.
3811 (mips_output_order_conditional_branch): New function.
3812 (mips_builtin_branch_and_move): New function.
3813 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3814 branch condition. Use gen_single_cc as the condition for
3815 __builtin_mips_upper_* or __builtin_mips_lower_*.
3816 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3817 Use VOIDmode for the branch condition.
3818 * config/mips/predicates.md (order_operator): New predicate.
3819 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3820 (branch_fp): Rename to...
3821 (*branch_fp): ...this. Remove mode from comparison operator.
3822 Use new mips_output_conditional_branch interface.
3823 (branch_fp_inverted): Rename to...
3824 (*branch_fp_inverted): ...this and update as for *branch_fp.
3825 (*branch_zero<mode>): Rename to...
3826 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3827 Use mips_output_order_conditional_branch. Only accept ordered
3829 (*branch_zero<mode>_inverted): Rename to...
3830 (*branch_order<mode>_inverted): ...this and update as for
3831 *branch_order<mode>.
3832 (*branch_equality<mode>): Accept zero as the second operand to
3833 the equality operator. Use the new mips_output_conditional_branch
3835 (*branch_equality<mode>_inverted): Likewise.
3836 (condjump): New expander.
3837 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3839 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3840 (bc1any2t, bc1any2f): Likewise.
3841 (single_cc): New expander.
3842 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3844 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3846 * doc/md.texi: Update documentation of MIPS constraints.
3847 * config/mips/constraints.md: New file.
3848 * config/mips/mips.md: Include it.
3849 * config/mips/mips.c (mips_char_to_class): Delete.
3850 (override_options): Don't initialize mips_char_to_class.
3851 * config/mips/mips.h (mips_char_to_class): Delete.
3852 (REG_CLASS_FROM_LETTER): Delete.
3853 (CONST_OK_FOR_LETTER_P): Delete.
3854 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3855 (EXTRA_CONSTRAINT_Y): Delete.
3856 (EXTRA_CONSTRAINT_STR): Delete.
3857 (CONSTRAINT_LEN): Delete.
3858 (EXTRA_MEMORY_CONSTRAINT): Delete.
3860 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3862 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3863 original fn's eh regions.
3865 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3867 * fold-const.c (build_range_check): Make sure to use a valid type to
3868 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3871 (range_predecessor): New static function.
3872 (range_successor): Likewise.
3873 (merge_ranges): Use them to compute predecessors and successors of
3876 2006-03-09 Roger Sayle <roger@eyesopen.com>
3879 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3880 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3882 2006-03-08 DJ Delorie <dj@redhat.com>
3884 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3885 (addpsi3): Expand to include memory operands. Remove
3886 reload-specific splits.
3887 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3888 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3889 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3890 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3891 (shift1_qi, shift1_hi, insv): New.
3892 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3893 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3894 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3896 * config/m32c/m32c-protos.h: Update as needed.
3897 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3898 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3899 Fail for unrecognized R* constraints.
3900 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3901 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3902 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3904 (m32c_init_libfuncs): New.
3905 (m32c_legitimate_address_p): Add debug wrapper.
3906 (m32c_rtx_costs): New.
3907 (m32c_address_cost): New.
3908 (conversions): Add 'B' prefix.
3909 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3910 operands, or word regnames for QI operands. 'B' prints bit
3912 (m32c_expand_setmemhi): New.
3913 (m32c_expand_movmemhi): New.
3914 (m32c_expand_movstr): New.
3915 (m32c_expand_cmpstr): New.
3916 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3917 (m32c_expand_neg_mulpsi3): Handle non-ints.
3918 (m32c_cmp_flg_0): New.
3919 (m32c_expand_movcc): New.
3920 (m32c_expand_insv): New.
3921 (m32c_scc_pattern): New.
3922 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3923 a0/a1 out of SIregs.
3924 (STORE_FLAG_VALUE): New.
3925 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3928 * config/m32c/mov.md: Make constraints more liberal.
3929 (zero_extendqihi2): Optimize r0/r1 case.
3930 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3931 * config/m32c/predicates.md (m32c_any_operand): New.
3932 (m32c_nonimmediate_operand): New.
3933 (m32c_hl_operand): New.
3934 (m32c_r3_operand): New.
3937 (memsym_operand): New.
3938 (memimmed_operand): New.
3939 (a_qi_operand): New.
3940 (m32c_eqne_operator): New.
3941 (m32c_1bit8_operand): New.
3942 (m32c_1bit16_operand): New.
3943 (m32c_1mask8_operand): New.
3944 (m32c_1mask16_operand): New.
3945 * config/m32c/blkmov.md: New file.
3946 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3948 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3950 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3951 unsigned to fix signed/unsigned comparison issue in
3952 DWARF2_FRAME_REG_OUT.
3953 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3954 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3956 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3957 of ptr into the ENABLE_CHECKING section.
3959 2006-03-08 Jeff Law <law@redhat.com>
3961 * tree-vrp.c (infer_value_range): Only count pointer uses
3962 and dereferences if -fdelete-null-pointer-checks is enabled.
3964 * tree-vrp.c (find_assert_locations): Infer value ranges for
3965 single use pointers, but do not create ASSERT_EXPRs for them.
3966 When a non-null range is inferred for a pointer, backwards
3967 propagate that range to other equivalent pointers through the
3970 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3973 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3974 language hook targets.
3975 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3976 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3977 if language hook targets were missing.
3979 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3981 * tree-ssa-opfinalize.h: Removed.
3982 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3984 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3985 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3986 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3987 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3988 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3989 finalize_ssa_v_must_def_ops): New.
3991 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3993 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3996 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3998 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4000 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4001 addresses with offsets; reorganize.
4003 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4004 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4005 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4007 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4010 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4012 2006-03-08 Ben Elliston <bje@au.ibm.com>
4014 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4016 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4019 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4022 2006-03-07 Richard Guenther <rguenther@suse.de>
4024 PR tree-optimization/26587
4025 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4027 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4029 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4031 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4033 * hooks.c (hook_bool_mode_rtx_true): New function.
4034 * hooks.h (hook_bool_mode_rtx_true): Declare.
4035 * toplev.c (compile_file): Call output_shared_constant_pool.
4036 * varasm.c (shared_constant_pool): New variable.
4037 (assemble_start_function, assemble_end_function): Remove arguments
4038 from call to output_constant_pool.
4039 (create_constant_pool): New function, split out from...
4040 (init_varasm_status): ...here.
4041 (force_const_mem): Choose between the shared and per-function constant
4042 pools. Set current_function_uses_const_pool when reusing old entries
4043 as well as when creating new ones.
4044 (mark_constant): Ignore data argument.
4045 (mark_constants): Remove pool argument.
4046 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4047 to decide whether the function uses a constant pool.
4048 (output_constant_pool_contents): New function, split out from...
4049 (output_constant_pool): ...here.
4050 (output_shared_constant_pool): New function.
4051 (init_varasm_once): Initialize shared_constant_pool.
4052 * output.h (output_constant_pool): Delete.
4053 (output_shared_constant_pool): Declare.
4054 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4055 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4057 2006-03-06 Nick Clifton <nickc@redhat.com>
4059 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4060 flag_strength_reduce.
4062 2006-03-06 Ben Elliston <bje@au.ibm.com>
4064 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4065 x86_64-*-linux* configurations.
4067 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4068 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4070 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4072 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4074 * basic-block.h: Remove the extern for
4075 rediscover_loops_after_threading.
4077 * cfgloop.c (cancel_loop): Make it static.
4078 * cfgloop.h: Remove the prototype for cancel_loop.
4080 * flow.c (recompute_reg_usage): Make it static.
4081 * rtl.h: Remove the prototype for recompute_reg_usage.
4083 * function.c (use_return_register): Make it static.
4084 * function.h: Remove the prototype.
4086 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4088 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4090 * recog.h: Remove the prototype for
4091 validate_change_maybe_volatile.
4093 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4095 * rtlanal.c (replace_reg): Remove.
4096 * rtl.h: Remove the prototype for replace_reg.
4098 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4100 * regclass.c (reg_scan_update): Remove.
4101 (reg_scan_mark_refs): Remove the last argument.
4102 * rtl.h: Remove the prototype for reg_scan_update.
4104 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4106 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4107 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4108 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4109 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4110 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4111 loop-invariant.c, omp-low.c, opts.c, passes.c,
4112 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4113 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4114 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4115 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4116 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4117 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4119 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4121 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4122 * dwarf2out.h: Remove the prototype for
4123 dwarf2out_add_library_unit_info.
4125 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4127 * tree.c (add_var_to_bind_expr): Remove.
4128 * tree.h: Remove the prototype for add_var_to_bind_expr.
4130 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4132 * regclass.c (n_non_fixed_regs): Remove.
4133 (init_reg_sets_1, globalize_reg): Remove all uses of
4135 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4137 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4139 * rtlanal.c (insns_safe_to_move_p): Remove.
4140 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4142 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4144 * expmed.c (expand_mult_add): Remove.
4145 * expr.h: Remove the prototype for expand_mult_add.
4147 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4149 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4150 and REG_SAVED_VAL_EXP constants.
4151 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4152 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4153 Handle regs stored by value.
4154 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4155 (execute_cfa_program): Handle DW_CFA_val_offset,
4156 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4157 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4158 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4159 (uw_install_context_1): Handle target regs stored by value.
4161 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4163 * tree-sra.c (tree_sra): Return todoflags;
4164 (generate_one_element): Set TODO_update_smt_usage if needed.
4165 (pass_sra): Remove TODO_update_smt_usage.
4166 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4168 (tree_ssa_forward_propagate_single_use_vars): Return
4169 TODO_update_smt_usage if we need to update SMT usage.
4170 (pass_forwprop): Remove TODO_update_smt_usage.
4172 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4174 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4175 (correct_use_link): Remove reference to get_stmt_operands.
4176 (update_stmt_operands): Likewise.
4177 (get_modify_expr_operands): New function factored out of
4178 parse_ssa_operands and get_expr_operands.
4179 Try to create V_MUST_DEFs for LHS by default.
4180 (get_expr_operands) <case MODIFY_EXPR>: Call
4181 get_modify_expr_operands.
4182 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4183 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4184 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4185 get_modify_expr_operands.
4187 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4189 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4190 * tree-flow.h: Remove the prototype for
4191 referenced_var_lookup_if_exists.
4193 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4195 PR rtl-optimization/26345
4197 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4199 2006-03-03 Roger Sayle <roger@eyesopen.com>
4201 PR tree-optimization/26524
4202 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4203 fold_convert to create a constant of the appropriate type.
4205 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4207 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4208 SYMBOL_REF_IN_BLOCK_P.
4209 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4210 of SYMBOL_FLAG_IN_BLOCK.
4211 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4212 instead of SYMBOL_REF_IN_BLOCK_P.
4213 * explow.c (use_anchored_address): Likewise.
4214 * rtl.c (rtx_size): Likewise.
4215 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4216 instead of SYMBOL_FLAG_IN_BLOCK.
4217 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4218 SYMBOL_REF_IN_BLOCK_P.
4219 (assemble_variable): Likewise.
4220 (output_constant_def_contents): Likewise.
4221 (output_constant_pool): Likewise.
4222 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4223 instead of SYMBOL_FLAG_IN_BLOCK.
4224 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4225 SYMBOL_REF_IN_BLOCK_P.
4226 (SYMBOL_REF_BLOCK): Likewise.
4227 (SYMBOL_REF_OFFSET): Likewise.
4228 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4229 SYMBOL_REF_IN_BLOCK_P.
4230 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4231 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4232 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4233 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4235 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4237 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4239 2006-03-02 Roger Sayle <roger@eyesopen.com>
4241 * simplify-rtx.c (simplify_unary_operation): When simplifying
4242 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4243 that we perform the right shift in the appropriate mode, and
4244 then extend or truncate the result to requested mode.
4246 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4248 * gengtype.c (main): Handle double_int type.
4249 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4250 * double-int.c: New file.
4251 * double-int.h: New file.
4252 * system.h: Include doubleint.h.
4253 * Makefile.in (SYSTEM_H): Include double-int.h.
4254 (double-int.o): Add.
4256 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4259 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4262 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4264 * tree-vrp.c (remove_range_assertions): Do not update statements
4267 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4269 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4271 * gcse.c (rest_of_handle_gcse): Ditto.
4272 * except.c (gate_handle_eh): Ditto.
4273 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4274 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4276 2006-03-02 Eric Christopher <echristo@apple.com>
4278 * config/i386/i386.c (machopic_output_stub): Add indirection to
4281 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4285 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4287 Sun Niagara specific optimizations.
4288 * config.gcc: Recognize niagara as target.
4289 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4290 (TARGET_CPU_niagara): Define.
4291 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4292 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4293 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4294 (ASM_CPU_SPEC): Likewise.
4295 (PROCESSOR_NIAGARA): New enum entry.
4296 (REGISTER_MOVE_COST): Handle Niagara.
4297 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4298 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4299 (sparc_override_options): Recognize "niagara", set appropriate
4300 default MASK_* values for it, and align functions to 32-bytes
4301 by default just like ULTRASPARC/ULTRASPARC3.
4302 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4303 (sparc64_initialize_trampoline): Likewise.
4304 (sparc_use_sched_lookahead): Use zero for niagara.
4305 (sparc_issue_rate): Use one for niagara.
4306 * config/sparc/niagara.md: New file.
4307 * config/sparc/sparc.md: Include it.
4308 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4309 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4310 when default cpu is niagara.
4311 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4312 (ASM_CPU_SPEC): Likewise.
4313 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4314 when default cpu is niagara.
4315 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4316 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4317 just like v9/ultrasparc/ultrasparc3.
4318 * doc/invoke.texi: Add documentation for "niagara" and improve
4319 existing documentation for ultrasparc variants.
4321 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4323 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4325 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4327 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4328 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4329 and say that only one is needed.
4330 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4331 * target.h (have_switchable_bss_sections): New hook.
4332 * explow.c (use_anchored_address): Check that the symbol is in a block.
4333 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4334 (bss_noswitch_section): New variables.
4335 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4336 (get_noswitch_section): New function.
4337 (get_block_for_section): Allow SECT to be null.
4338 (unlikely_text_section_p): Use SECTION_STYLE.
4339 (bss_initializer_p): New function.
4340 (get_variable_section): Move earlier in file. Take a new argument,
4341 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4342 Return one of the new *_sections in such cases.
4343 (get_block_for_decl): New function, extracting some logic from
4344 use_blocks_for_decl_p.
4345 (change_symbol_section): Remove in favor of...
4346 (change_symbol_block): ...this new function.
4347 (use_blocks_for_decl_p): Remove checks now performed by
4349 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4350 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4351 (emit_local, emit_bss, emit_common): ...these new functions.
4352 Return true if the alignment was honored.
4353 (emit_tls_common): New function.
4354 (asm_emit_uninitialised): Delete.
4355 (assemble_variable_noswitch): New function, split out from...
4356 (assemble_variable): ...here. Don't make decisions about common
4357 variables here. Globalize all public decls that go into non-common
4358 sections. Check whether SYMBOL_REF_BLOCK is null.
4359 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4360 (output_constant_pool): Likewise.
4361 (init_varasm_once): Initialize the new section variables.
4362 (have_global_bss_p): New function.
4363 (categorize_decl_for_section): Use bss_initializer_p.
4364 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4365 (place_block_symbol): Assert that the symbol must be in a block.
4366 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4367 (TARGET_INITIALIZER): Include it.
4368 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4369 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4370 (SECTION_MACH_DEP): Bump by two.
4371 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4372 (unnamed_section): Mention SECTION_UNNAMED in comment.
4373 (named_section): Likewise SECTION_NAMED.
4374 (noswitch_section_callback): New type.
4375 (noswitch_section): New structure.
4376 (section): Add a noswitch_section alternative.
4377 (SECTION_STYLE): New macro.
4378 (tls_comm_section, comm_section, lcomm_section): Declare.
4379 (bss_noswitch_section, have_global_bss_p): Declare.
4380 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4381 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4383 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4384 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4387 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4389 * gcc/tree-vrp.c (execute_vrp): Return value.
4390 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4391 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4392 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4393 (tree_lower_complex_O0): Ditto.
4394 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4395 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4396 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4397 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4398 (execute_tail_calls): Ditto.
4399 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4400 * gcc/tree.h (init_function_for_compilation): Ditto.
4401 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4402 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4403 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4404 * gcc/final.c (compute_alignments): Ditto.
4405 (rest_of_handle_final): Ditto.
4406 (rest_of_handle_shorten_branches): Ditto.
4407 (rest_of_clean_state): Ditto.
4408 * gcc/omp-low.c (execute_expand_omp): Ditto.
4409 (execute_lower_omp): Ditto.
4410 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4411 * gcc/ipa-reference.c (static_execute): Ditto.
4412 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4413 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4414 (rest_of_handle_machine_reorg): Ditto.
4415 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4416 * gcc/flow.c (recompute_reg_usage): Ditto.
4417 (rest_of_handle_remove_death_notes): Ditto.
4418 (rest_of_handle_life): Ditto.
4419 (rest_of_handle_flow2): Ditto.
4420 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4421 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4422 (do_ssa_store_ccp): Ditto.
4423 (execute_fold_all_builtins): Ditto.
4424 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4425 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4426 * gcc/ipa-pure-const.c (static_execute): Ditto.
4427 * gcc/cse.c (rest_of_handle_cse): Ditto.
4428 (rest_of_handle_cse2): Ditto.
4429 * gcc/web.c (rest_of_handle_web): Ditto.
4430 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4431 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4432 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4433 * gcc/tree-nrv.c (tree_nrv): Ditto.
4434 (execute_return_slot_opt): Ditto.
4435 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4436 (create_structure_vars): Ditto.
4437 * gcc/loop-init.c (rtl_loop_init): Ditto.
4438 (rtl_loop_done): Ditto.
4439 (rtl_move_loop_invariants): Ditto.
4440 (rtl_unswitch): Ditto.
4441 (rtl_unroll_and_peel_loops): Ditto.
4442 (rtl_doloop): Ditto.
4443 * gcc/gimple-low.c (lower_function_body): Ditto.
4444 (mark_used_blocks): Ditto.
4445 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4446 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4447 (cgraph_early_inlining): Ditto.
4448 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4449 * gcc/jump.c (cleanup_barriers): Ditto.
4450 (purge_line_number_notes): Ditto.
4451 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4452 (rest_of_handle_if_after_reload): Ditto.
4453 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4454 (tree_ssa_loop_im): Ditto.
4455 (tree_ssa_loop_unswitch): Ditto.
4456 (tree_vectorize): Ditto.
4457 (tree_linear_transform): Ditto.
4458 (tree_ssa_loop_ivcanon): Ditto.
4459 (tree_ssa_empty_loop): Ditto.
4460 (tree_ssa_loop_bounds): Ditto.
4461 (tree_complete_unroll): Ditto.
4462 (tree_ssa_loop_prefetch): Ditto.
4463 (tree_ssa_loop_ivopts): Ditto.
4464 (tree_ssa_loop_done): Ditto.
4465 * gcc/predict.c (tree_estimate_probability): Ditto.
4466 * gcc/recog.c (split_all_insns_noflow): Ditto.
4467 (rest_of_handle_peephole2): Ditto.
4468 (rest_of_handle_split_all_insns): Ditto.
4469 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4470 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4471 (rest_of_handle_stack_adjustments): Ditto.
4472 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4473 * gcc/function.c (instantiate_virtual_regs): Ditto.
4474 (init_function_for_compilation): Ditto.
4475 (rest_of_handle_check_leaf_regs): Ditto.
4476 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4477 (rest_of_handle_gcse): Ditto.
4478 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4479 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4480 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4481 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4482 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4483 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4484 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4485 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4486 * gcc/except.c (set_nothrow_function_flags): Ditto.
4487 (convert_to_eh_region_ranges): Ditto.
4488 (rest_of_handle_eh): Ditto.
4489 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4490 (remove_unnecessary_notes): Ditto.
4491 * gcc/except.h (set_nothrow_function_flags): Ditto.
4492 (convert_to_eh_region_ranges): Ditto.
4493 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4494 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4495 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4496 (execute_fre): Ditto.
4497 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4498 (rest_of_handle_jump2): Ditto.
4499 * gcc/tree-sra.c (tree_sra): Ditto.
4500 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4501 (execute_mudflap_function_decls): Ditto.
4502 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4503 (do_store_copy_prop): Ditto.
4504 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4505 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4506 * gcc/tree-ssa-forwprop.c
4507 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4508 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4509 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4510 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4511 (execute_late_warn_uninitialized): Ditto.
4512 * gcc/rtl.h (cleanup_barriers): Ditto.
4513 (split_all_insns_noflow): Ditto.
4514 (purge_line_number_notes): Ditto.
4515 (unshare_all_rtl): Ditto.
4516 (remove_unnecessary_notes): Ditto.
4517 (recompute_reg_usage): Ditto.
4518 (variable_tracking_main): Ditto.
4519 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4520 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4521 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4522 (execute_free_cfg_annotations): Ditto.
4523 (execute_fixup_cfg): Ditto.
4524 (execute_cleanup_cfg_pre_ipa): Ditto.
4525 (execute_cleanup_cfg_post_optimizing): Ditto.
4526 (execute_init_datastructures): Ditto.
4527 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4528 * gcc/combine.c (rest_of_handle_combine): Ditto.
4529 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4530 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4531 (rest_of_handle_reorder_blocks): Ditto.
4532 (rest_of_handle_partition_blocks): Ditto.
4533 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4534 * gcc/tree-profile.c (tree_profiling): Ditto.
4535 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4536 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4537 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4538 (rest_of_handle_sched2): Ditto.
4539 * gcc/basic-block.h (free_bb_insn): Ditto.
4540 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4541 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4542 (remove_useless_stmts): Ditto.
4543 (split_critical_edges): Ditto.
4544 (execute_warn_function_return): Ditto.
4545 (execute_warn_function_noreturn): Ditto.
4546 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4547 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4548 * gcc/passes.c (execute_one_pass): Run additional
4549 todos returned by execute function.
4550 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4553 2006-03-02 Richard Guenther <rguenther@suse.de>
4555 * tree-ssa-alias.c (find_used_portions): Consider taking
4556 the address as making the variable not write-only.
4558 2006-03-02 Nick Clifton <nickc@redhat.com>
4560 * config.gcc (default_use_cxa_atexit): Extend the description of
4561 this configure variable. Set its default value to "yes" for
4562 Linux, NetBSD and ELF targets on the assumption that they will
4563 use C libraries with the __cxa_atexit function.
4565 2006-03-02 Ben Elliston <bje@au.ibm.com>
4567 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4568 parameter as unused to suppress a build warning.
4570 2006-03-02 Ben Elliston <bje@au.ibm.com>
4572 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4575 2006-03-01 Roger Sayle <roger@eyesopen.com>
4578 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4579 declared name, the weak reference name, and the typeof name.
4580 (__gthrw): Avoid expanding the declared name suffix.
4581 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4583 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4585 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4587 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4588 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4589 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4590 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4591 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4592 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4593 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4594 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4595 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4596 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4597 (DW_END_default, DW_END_big, DW_END_little): New.
4598 (DW_END_lo_user, DW_END_hi_user): Define.
4599 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4600 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4601 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4604 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4606 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4608 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4610 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4612 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4614 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4615 to 'symbol_mem_tag'.
4617 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4620 2006-03-01 Roger Sayle <roger@eyesopen.com>
4622 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4624 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4627 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4628 MACHO_DYNAMIC_NO_PIC_P.
4629 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4631 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4634 * config/darwin-protos.h (darwin_asm_output_anchor):
4636 * config/darwin-sections.def (cstring_section):
4637 Add SECTION_MERGE to the flags.
4638 (literal4_section): Likewise.
4639 (literal8_section): Likewise.
4640 (objc_selector_refs_section): Likewise.
4641 (objc_cls_refs_section): Likewise.
4642 * config/darwin.c (darwin_asm_output_anchor): New
4644 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4646 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4648 Fix PR tree-optimization/26443
4649 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4650 to todo and PROP_tmt_usage to properties_destroyed.
4651 * tree-ssa-ccp.c (pass_ccp): Ditto.
4652 (pass_store_ccp): Ditto.
4653 * tree-ssa-dom.c (pass_dominator): Ditto.
4655 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4657 * tree-ssa-operands.c: Cleanup whitespace.
4658 (get_asm_expr_operands): Move before first invocation.
4659 (get_indirect_ref_operands): Likewise.
4660 (get_tmr_operands): Likewise.
4661 (get_call_expr_operands): Likewise.
4662 (append_def): Likewise.
4663 (append_use): Likewise.
4664 (append_v_may_def): Likewise.
4665 (append_v_must_def): Likewise.
4666 (add_call_clobber_ops): Likewise.
4667 (add_call_read_ops): Likewise.
4668 (add_stmt_operand): Likewise.
4669 (add_virtual_operand): Likewise.
4670 (build_ssa_operands): Likewise.
4672 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4677 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4678 with a call expr to ...
4679 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4681 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4683 * tree-vrp.c (extract_range_from_assert): Remove special
4684 handling for types with super-types.
4686 2006-03-01 Ben Elliston <bje@au.ibm.com>
4688 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4689 and powerpc64-*-linux* configurations.
4690 * config/t-dfprules: New file.
4692 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4693 Compile dfp-bit.c from the source directory using -DWIDTH and
4694 $DFP_CFLAGS to control the compilation of that file, rather than
4695 generating width-specific versions in the build directory.
4696 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4697 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4699 2006-02-28 Zack Weinberg <zackw@panix.com>
4701 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4704 2006-02-28 Eric Christopher <echristo@apple.com>
4706 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4707 Set up IN_LIBGCC definition of TARGET_64BIT.
4708 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4710 2006-02-28 Roger Sayle <roger@eyesopen.com>
4713 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4714 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4715 cases via the construction of "expr != 0".
4717 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4719 * alias.c (alias_invariant, alias_invariant_size): Remove.
4720 (record_base_value): Remove.
4721 (memrefs_conflict_p): Don't look at alias_invariant.
4722 (end_alias_analysis): Don't free it.
4723 * alias.h (record_base_value): Remove prototype.
4725 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4726 Adam Nemet <anemet@caviumnetworks.com>
4728 * rtl.h (truncated_to_mode): Declare it.
4729 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4730 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4731 (RTL_HOOKS_INITIALIZER): Include it.
4732 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4733 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4734 reg_truncated_to_mode.
4735 * rtlanal.c (truncated_to_mode): Define it.
4736 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4738 2006-02-28 Jeff Law <law@redhat.com>
4740 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4741 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4742 the range allowed by TYPE_PRECISION.
4744 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4746 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4748 PR tree-optimization/26419
4749 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4752 2006-02-27 Zack Weinberg <zackw@panix.com>
4754 * doc/md.texi: Fix typo in previous change.
4756 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4760 2006-02-27 Zack Weinberg <zackw@panix.com>
4762 * rtl.def (define_constraint, define_register_constraint)
4763 (define_memory_constraint, define_address_constraint): New MD forms.
4764 * gensupport.c (process_rtx): Put define_constraint etc on the
4766 * genpreds.c (process_define_predicate): Adjust comment. Validate
4767 the name, and call validate_exp to validate the expression.
4768 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4769 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4770 all callers changed.
4771 (validate_exp, needs_variable, struct constraint_data)
4772 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4773 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4774 (const_dbl_constraints, constraint_max_namelen)
4775 (have_register_constraints, have_memory_constraints)
4776 (have_address_constraints, have_address_constraints)
4777 (have_extra_constraints, have_const_int_constraints)
4778 (have_const_dbl_constraints, mangle, add_constraint)
4779 (process_define_constraint, process_define_register_constraint)
4780 (write_enum_constraint_num, write_lookup_constraint)
4781 (write_insn_constraint_len, write_regclass_for_constraint)
4782 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4783 (write_insn_extra_memory_constraint)
4784 (write_insn_extra_address_constraint)
4785 (write_satisfies_constraint_fns): New.
4786 (write_tm_preds_h): If we have new-style constraint definitions,
4787 prototype the functions generated from them, and define the
4788 old constraint interface (still used by generic code) in terms of
4790 (write_insn_preds_c): If we have new-style constraint definitions,
4791 generate all relevant functions from those definitions.
4792 (main): Handle define_constraint etc.
4793 * genoutput.c (struct constraint_data, indep_constraints)
4794 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4795 (mdep_constraint_len): New data structures and functions, defined
4796 #ifdef USE_MD_CONSTRAINTS.
4797 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4798 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4799 use new logic to validate operand constraints against constraint
4801 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4803 * defaults.h: If none of the old-style constraint macros are
4804 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4805 old-style macros; and poison REG_CLASS_FROM_LETTER,
4806 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4808 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4809 * doc/md.texi: Document new constraint-definition mechanism and the
4810 C interface it provides. Remove references to old mechanism
4811 elsewhere in the document.
4812 (Machine Constraints): Use pathnames relative to gcc directory,
4813 i.e. config/ARCH/FILE. Change i386 section to refer to
4814 config/i386/predicates.md; update that section to match docstrings.
4815 * doc/tm.texi: Move all documentation of the old constraint-
4816 definition macros to their own section, clearly mark as obsolete.
4818 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4819 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4821 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4822 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4823 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4825 (splits and peepholes): Use satisfies_constraint_*.
4826 * config/i386/i386.c (memory_address_length)
4827 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4829 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4831 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4832 scalar operation to be put back into the loop.
4834 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4837 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4838 (extract_cie_info): Handle S flag in augmentation string.
4839 (execute_cfa_program): If context->signal_frame, execute also
4840 fs->pc == context->ra instructions.
4841 (uw_frame_state_for): If context->signal_frame, don't subtract one
4842 from context->ra to find FDE.
4843 (uw_update_context_1): Set context->signal_frame to
4845 (_Unwind_GetIPInfo): New function.
4846 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4847 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4849 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4850 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4851 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4852 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4853 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4854 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4855 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4856 x86_64_fallback_frame_state): Set fs->signal_frame.
4857 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4858 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4859 (frob_update_context): Likewise. Workaround missing S flag in
4860 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4861 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4862 Remove the psw_addr + 1 hack.
4864 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4866 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4867 with aggregates here.
4868 (find_func_aliases): Remove code for &<aggregate> from here.
4870 2006-02-26 Roger Sayle <roger@eyesopen.com>
4872 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4873 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4874 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4877 2006-02-26 Roger Sayle <roger@eyesopen.com>
4880 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4882 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4884 * opts.c (decode_options): Do not handle flag_strength_reduce.
4885 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4886 and OPT_fstrength_reduce.
4887 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4888 flag_prefetch_loop_arrays for being nonzero.
4889 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4891 (fprefetch-loop-arrays-rtl): Removed.
4892 (flag_prefetch_loop_arrays): Do not specify the value.
4894 * doc/passes.texi: Update documentation of loop optimizer
4896 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4897 -frerun-loop-opt): Remove.
4899 2006-02-26 Richard Guenther <rguenther@suse.de>
4901 PR tree-optimization/26421
4902 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4903 in function calls that are ADDR_EXPRs as using the whole structure.
4905 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4907 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4908 * tree-pass.h (pass_loop_optimize): Remove.
4909 * passes.c (pass_loop_optimize): Never run it.
4910 * toplev.c (backend_init): Don't call init_loop.
4911 * opts.c (flag_loop_optimize_set): Remove.
4912 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4913 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4914 the old RTL loop optimizer when profiling enabled.
4915 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4916 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4917 pre-headers for the sake of the old RTL loop optimizer.
4918 * Makefile.in: Remove all references to loop.o.
4920 * doc/invoke.texi: Remove all references to -floop-optimize
4921 and -frerun-loop-opt.
4923 2006-02-26 Zack Weinberg <zackw@panix.com>
4925 * doc/md.texi (Machine Constraints): Refer to all files with paths
4926 relative to gcc directory (i.e. config/CPU/file). Add missing
4927 @table @code ... @end table to M32C subsection.
4929 2006-02-26 Roger Sayle <roger@eyesopen.com>
4931 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4933 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4935 2006-02-26 Roger Sayle <roger@eyesopen.com>
4936 James A. Morrison <phython@gcc.gnu.org>
4939 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4940 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4941 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4942 signedness of the shift operation.
4944 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4946 PR tree-optimization/26359
4947 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4949 2006-02-25 Roger Sayle <roger@eyesopen.com>
4951 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4952 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4953 as X == 0, and some symmetry related transformations.
4954 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4956 2006-02-25 Roger Sayle <roger@eyesopen.com>
4959 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4960 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4961 symmetry related transformations. Fold (X^C1) == C2 as
4964 2006-02-25 Juergen Weigert <jw@suse.de>
4965 Richard Guenther <rguenther@suse.de>
4967 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4969 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4971 * combine.c (gen_lowpart_or_truncate): Call
4972 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4974 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4976 * doc/invoke.texi: Move -fopenmp description to "Options for
4978 Remove reference to -lgomp.
4980 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4982 * doc/install.texi: Require GNU tar version 1.14.
4984 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4986 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4987 * doc/invoke.texi (C++ Dialect Options): Document
4988 -fno-use-cxa-get-exception-ptr.
4989 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4990 * configure: Regenerate.
4991 * c.opt (fuse-cxa-get-exception-ptr): New.
4992 * c-opts.c (c_common_handle_option): Handle
4993 OPT_fuse_cxa_get_exception_ptr.
4994 * c-common.c (flag_use_cxa_atexit): Update documentation.
4995 (flag_use_cxa_get_exception_ptr): New.
4996 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4997 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4999 (C_COMMON_OVERRIDE_OPTIONS): New.
5001 2006-02-24 Roger Sayle <roger@eyesopen.com>
5004 * combine.c (try_combine): Explicitly check whether GET_CODE is
5005 a SET or a CLOBBER, instead on checking that it isn't a USE.
5007 2006-02-24 Roger Sayle <roger@eyesopen.com>
5009 * fold-const.c (fold_comparison): New subroutine of fold_binary
5010 containing transformations common to both the equality and
5011 ordering relational operators, factored out of fold_binary.
5012 (fold_binary): Separate out the equality operators (EQ_EXPR
5013 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5014 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5015 transformations common to both.
5016 (fold_div_compare): Fix latent bugs in the previously unreachable
5017 LT_EXPR and GE_EXPR cases.
5019 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5021 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5022 decl libname for clog to __clog on AIX.
5024 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5026 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5029 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5030 output traceback table for thunks. Localise rs6000_stack_info call.
5032 2006-02-23 Roger Sayle <roger@eyesopen.com>
5033 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5035 * gthr-posix.h (__gthrw): Fix typo in comment.
5037 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5039 * doc/cpp.texi (Character sets): Document that we do support
5040 input files to be in any character set.
5042 2006-02-23 Jeff Law <law@redhat.com>
5044 * tree.h (PHI_ARG_NONZERO): Remove.
5045 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5046 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5047 node to the new node.
5049 PR tree-optimization/26425
5050 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5051 min/max, then assume its varying.
5053 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5055 PR rtl-optimization/26316
5056 * rtlanal.c (enum may_trap_p_flags): New.
5057 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5058 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5059 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5060 (may_trap_after_code_motion_p): New function.
5061 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5062 (find_invariant_insn): Use may_trap_after_code_motion_p.
5063 * rtl.h (may_trap_after_code_motion_p): Declare.
5065 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5067 * emit-rtl.c (immed_double_const): Cleanup.
5069 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5071 Fix PR tree-optimization/26376
5072 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5075 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5078 * gimplify.c (omp_add_variable): Guard variable size decl test with
5079 DECL_SIZE (decl) check.
5081 2006-02-23 Richard Guenther <rguenther@suse.de>
5084 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5085 like aggregate types.
5087 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5089 * configure.ac: Add --with{,out}-long-double-128 configure option.
5090 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5091 * configure: Rebuilt.
5092 * config.in: Rebuilt.
5093 * doc/install.texi (Options specification): Document
5094 --with-long-double-128.
5096 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5097 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5098 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5099 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5101 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5103 * config/s390/s390.c (override_options): Handle
5104 TARGET_DEFAULT_LONG_DOUBLE_128.
5106 * config/alpha/alpha.c (override_options): Handle
5107 TARGET_DEFAULT_LONG_DOUBLE_128.
5109 * config/sparc/sparc.c (sparc_override_options): Handle
5110 TARGET_DEFAULT_LONG_DOUBLE_128.
5112 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5114 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5115 (real-install-headers-tar, real-install-headers-cpio)
5116 (real-install-headers-cp): New targets.
5118 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5120 * tree.h (variable_section): Delete.
5121 * varasm.c (variable_section): Delete.
5123 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5125 * install.texi: Add notes on install.texi2html.
5126 (Building in parallel): Do not use footnotes.
5128 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5131 * doc/install.texi (Configuration): Document --disable-libgomp.
5133 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5135 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5137 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5139 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5140 (vec_extractv2df_0_sse): New.
5142 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5144 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5145 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5146 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5147 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5148 to the result of the expression.
5149 (def_cfa_1): Adjust.
5150 (frame_pointer_cfa_offset): Rename to...
5151 (frame_pointer_fb_offset): ... this. Adjust all uses.
5152 (convert_cfa_to_loc_list): Rename to...
5153 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5154 Pass it on to build_cfa_loc.
5155 (compute_frame_pointer_to_cfa_displacement): Rename to...
5156 (compute_frame_pointer_to_fb_displacement): ... this. New
5157 offset parameter. Use it in computation.
5158 (gen_subprogram_die): Compute cfa_fb_offset with the new
5159 macro, and use it to compute the fb loc list and the
5162 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5164 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5165 replaced with register_operand.
5166 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5167 non-DREG is expensive.
5168 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5169 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5172 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5174 * doc/install.texi2html: Use set -e.
5176 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5178 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5179 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5180 * doc/invoke.texi (-fshared-data): Delete.
5181 * common.opt (fshared-data): Delete.
5182 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5183 (assemble_static_space): Remove #if 0 code.
5184 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5185 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5186 * config/cris/cris.h: Remove FIXME.
5188 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5190 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5193 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5196 * combine.c (simplify_shift_const_1): Disable nested shifts
5197 optimization for vector shifts.
5199 2006-02-20 Roger Sayle <roger@eyesopen.com>
5201 PR tree-optimization/26361
5202 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5203 of unsigned integer types.
5205 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5207 * tree-chrec.c (eq_evolutions_p): New.
5208 * tree-chrec.h (eq_evolutions_p): Declared.
5209 * tree-data-ref.c: Fix formatting.
5210 (datadep_stats, dependence_stats): New.
5212 (print_direction_vector): New.
5213 (dump_data_dependence_relation): Use print_direction_vector.
5214 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5215 (compute_subscript_distance): Static.
5216 (initialize_data_dependence_relation): Static. Get the number
5217 of loops surrounding the references from the callers, and initialize
5218 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5219 base_object_differ_p analyzers.
5220 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5221 compute_overlap_steps_for_affine_1_2,
5222 analyze_subscript_affine_affine): Count the classified dependences.
5223 Print a message when a test failed.
5224 (can_use_analyze_subscript_affine_affine): New.
5225 (analyze_siv_subscript): Compute the data dependences on symbolic
5226 scevs that verify can_use_analyze_subscript_affine_affine.
5227 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5228 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5229 Handle symbolic scevs.
5230 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5232 (subscript_dependence_tester): Moved...
5233 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5234 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5235 DDR_SIZE_VECT instead of getting it in parameter.
5236 (subscript_dependence_tester): ... here. Take as a parameter
5237 loop_nest_depth. Call build_classic_dist_vector and
5238 build_classic_dir_vector.
5239 (compute_affine_dependence): Update subscript_dependence_tester
5240 parameters. Update datadep_stats counters. Call
5241 compute_subscript_distance.
5242 (compute_self_dependence): Save the dist and dir vectors. Call
5243 compute_subscript_distance.
5244 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5245 (compute_all_dependences): Reorder parameters as they were before
5246 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5247 compute_subscript_distance. Update the use of
5248 compute_affine_dependence and initialize_data_dependence_relation.
5249 (find_data_references_in_loop): Handle COMPONENT_REF.
5250 (compute_data_dependences_for_loop): Initialize dependence_stats.
5251 Don't call build_classic_dist_vector and build_classic_dir_vector.
5252 Update the parameters of initialize_data_dependence_relation and
5253 compute_all_dependences. Print the statistics from datadep_stats.
5254 (analyze_all_data_dependences): Static. Not used until the pass for
5255 checking the data dependences is contributed.
5256 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5257 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5258 (initialize_data_dependence_relation, compute_affine_dependence,
5259 analyze_all_data_dependences, compute_subscript_distance): Removed.
5260 (print_direction_vector): New.
5261 * lambda.h (gcd): ... here.
5262 (lambda_vector_gcd): Moved here from gcd_vector.
5263 * lambda-code.c (gcd, gcd_vector): Removed.
5264 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5265 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5267 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5269 * ipa-type-escape.c: Tidy some comments and white space.
5270 * tree-ssa-operands.c: Likewise.
5272 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5275 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5276 (dump_decl_name): Do not walk the decl tree chains.
5277 * tree-pass.h (TDF_CHAIN): Remove.
5279 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5281 * Makefile.in (C): Remove
5283 (.PHONY): Remove C and PROTO
5285 2006-02-20 Roger Sayle <roger@eyesopen.com>
5288 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5289 deprecated CHAR_TYPE tree code.
5291 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5293 * configure.ac (target_list): Add install-info, dvi, html.
5294 * configure: Regenerate.
5296 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5297 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5298 treelang/Make-lang.in: Do not use double-colon rules.
5300 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5302 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5303 (TMT_USED_ALONE): New macro.
5304 * tree-pass.h (PROP_tmt_usage): New property.
5305 (TODO_update_tmt_usage): New todo.
5306 * tree-ssa-alias.c (updating_used_alone): New variable.
5307 (recalculate_used_alone): New function.
5308 (compute_may_aliases): Set updating_used_alone, call
5309 recalculate_used_alone.
5310 * tree-sra.c (pass_sra): Note that this pass destroys
5311 PROP_tmt_usage, and add TODO_update_tmt_usage.
5312 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5313 * tree-flow.h (updating_used_alone): Prototype.
5314 (recalculate_used_alone): Ditto.
5315 * passes.c (execute_todo): Add code to set updating_used_alone,
5316 and call recalculate.
5317 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5318 for clobber if used alone, and add assert to verify used_alone
5321 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5323 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5324 for non tls symbols added.
5325 (legitimize_address): Do nothing for PLUS expressions if one of the
5326 addends is a tls symbol reference.
5328 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5332 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5334 * Makefile.in (BOOTSTRAPPING): New.
5335 (quickstrap): New definition if BOOTSTRAPPING=yes.
5337 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5338 * configure.ac: Substitute all_selected_languages with the languages
5339 that were configured. For all the other variables except
5340 lang_specs_files, include all the languages in the tree.
5341 * configure: Regenerate.
5343 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5344 if there is one. Run the commands to run fixincludes in the same
5347 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5348 * doc/install.texi: Document exact conventions for searching target tools.
5349 Document --with-build-time-tools. Document toplevel bootstrap. Document
5350 something more about building an Ada cross-compiler. Don't list GNU Make
5351 requirements which affect all platforms.
5353 2006-02-19 Roger Sayle <roger@eyesopen.com>
5356 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5357 only equivalent if the have both the same mode and precision.
5359 2006-02-20 Ben Elliston <bje@au.ibm.com>
5361 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5363 2006-02-19 Roger Sayle <roger@eyesopen.com>
5364 Steven Bosscher <stevenb.gcc@gmail.com>
5366 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5367 constant pool references to identify stack mode constants.
5368 * rtlanal.c (constant_pool_constant_p): New predicate to check
5369 whether operand is a floating point constant in the pool.
5370 * rtl.h (constant_pool_constant_p): Prototype here.
5371 * loop.c (scan_loop): Avoid hoisting constants from the constant
5372 pool on STACK_REGS targets.
5373 (load_mems): Likewise.
5374 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5375 loads into x87 registers expensive in terms of register pressure.
5377 2006-02-19 Roger Sayle <roger@eyesopen.com>
5379 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5380 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5382 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5384 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5385 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5387 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5389 * doc/invoke.texi: Document -fipa-pta.
5390 * common.opt: Add ipa-pta option.
5391 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5392 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5393 (do_ds_constraint): Ditto.
5394 (get_constraint_for): Only add to referenced_vars if
5395 referenced_vars exists.
5396 (insert_into_field_list): Rewrite to do this unsorted.
5397 (insert_into_field_list_sorted): Rename old insert_into_field_list
5399 (create_function_info_for): Use insert_into_field_list_sorted.
5400 (create_variable_info_for): Rewrite so it uses unsorted version,
5401 since the field list is sorted.
5402 (intra_create_variable_infos): Only add to referenced_vars if
5403 referenced_vars exists.
5404 (ipa_pta_execute): Init heapvars, and delete when done.
5405 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5407 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5409 * doc/install.texi: Add missing `@samp'.
5411 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5413 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5416 2006-02-18 Mark Wielaard <mark@klomp.org>
5418 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5419 who added new 4.1 features, bug fixes and integration support.
5421 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5424 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5427 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5429 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5430 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5431 (copy_insn_1): Likewise. Don't copy each field individually.
5433 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5435 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5436 * rtl.c (rtx_size): Rename variable to...
5437 (rtx_code_size): ...this.
5438 (rtx_size): New function.
5439 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5440 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5442 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5443 * rtl.h (rtx_code_size): New variable.
5444 (rtx_size): Change from a variable to a function.
5445 (RTX_SIZE): Rename to...
5446 (RTX_CODE_SIZE): ...this.
5449 PR tree-optimization/17106
5450 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5451 (Anchored Addresses): New section.
5452 * doc/invoke.texi (-fsection-anchors): Document.
5453 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5454 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5455 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5456 * hooks.c (hook_bool_mode_rtx_false): New function.
5457 * hooks.h (hook_bool_mode_rtx_false): Declare.
5458 * gengtype.c (create_optional_field): New function.
5459 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5460 SYMBOL_REF_IN_BLOCK_P is true.
5461 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5462 (min_anchor_offset, max_anchor_offset): Likewise.
5463 (use_anchors_for_symbol_p): New hook.
5464 * toplev.c (compile_file): Call output_object_blocks.
5465 (target_supports_section_anchors_p): New function.
5466 (process_options): Check that -fsection-anchors is only used on
5467 targets that support it and when -funit-at-a-time is in effect.
5468 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5469 if the decl doesn't have one.
5470 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5471 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5472 of force_const_mem through use_anchored_address.
5473 (expand_expr_constant): New function.
5474 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5475 calling expand_expr for INDIRECT_REF.
5476 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5477 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5478 * expr.h (use_anchored_address): Declare.
5479 * loop-unroll.c: Don't declare rtx vectors here.
5480 * explow.c: Include output.h.
5481 (validize_mem): Call use_anchored_address.
5482 (use_anchored_address): New function.
5483 * common.opt (-fsection-anchors): New switch.
5484 * varasm.c (object_block_htab, anchor_labelno): New variables.
5485 (hash_section, object_block_entry_eq, object_block_entry_hash)
5486 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5487 (use_blocks_for_decl_p, change_symbol_section): New functions.
5488 (get_variable_section): New function, split out from assemble_variable.
5489 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5490 use_blocks_for_decl_p say so. Use change_symbol_section if the
5491 symbol has already been created.
5492 (assemble_variable_contents): New function, split out from...
5493 (assemble_variable): ...here. Don't output any code for
5494 block symbols; just pass them to place_block_symbol.
5495 Use get_variable_section and assemble_variable_contents.
5496 (get_constant_alignment, get_constant_section, get_constant_size): New
5497 functions, split from output_constant_def_contents.
5498 (build_constant_desc): Create a block symbol if use_object_blocks_p
5499 says so. Or into SYMBOL_REF_FLAGS.
5500 (assemble_constant_contents): New function, split from...
5501 (output_constant_def_contents): ...here. Don't output any code
5502 for block symbols; just pass them to place_section_symbol.
5503 Use get_constant_section and get_constant_alignment.
5504 (force_const_mem): Create a block symbol if use_object_blocks_p and
5505 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5506 (output_constant_pool_1): Add an explicit alignment argument.
5507 Don't switch sections here.
5508 (output_constant_pool): Adjust call to output_constant_pool_1.
5509 Switch sections here instead. Don't output anything for block symbols;
5510 just pass them to place_block_symbol.
5511 (init_varasm_once): Initialize object_block_htab.
5512 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5513 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5514 (place_block_symbol, get_section_anchor, output_object_block)
5515 (output_object_block_htab, output_object_blocks): New functions.
5516 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5517 (TARGET_ASM_OUT): Include it.
5518 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5519 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5520 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5521 (TARGET_INITIALIZER): Include them.
5522 * rtl.c (rtl_check_failed_block_symbol): New function.
5523 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5524 (block_symbol, object_block): New structures.
5525 (rtx_def): Add a block_symbol field to the union.
5526 (BLOCK_SYMBOL_CHECK): New macro.
5527 (rtl_check_failed_block_symbol): Declare.
5528 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5529 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5530 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5531 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5532 * output.h (output_section_symbols): Declare.
5533 (object_block): Name structure.
5534 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5535 (default_use_anchors_for_symbol_p): Declare.
5536 * Makefile.in (RTL_BASE_H): Add vec.h.
5537 (explow.o): Depend on output.h.
5538 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5539 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5540 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5541 (rs6000_use_blocks_for_constant_p): New function.
5543 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5545 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5547 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5550 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5553 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5555 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5559 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5562 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5563 instead of DECL_REGISTER.
5565 2006-02-18 Olivier Hainque <hainque@adacore.com>
5568 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5570 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5573 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5574 * opth-gen.awk: Handle Var and InverseMask together.
5575 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5576 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5577 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5578 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5580 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5581 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5582 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5583 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5584 LINUX_DYNAMIC_LINKER): Define.
5585 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5586 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5588 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5589 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5590 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5592 (TARGET_C99_FUNCTIONS): Don't define.
5593 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5594 GLIBC_DYNAMIC_LINKER.
5595 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5596 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5597 GLIBC_DYNAMIC_LINKER64): Define.
5598 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5599 LINUX_DYNAMIC_LINKER64.
5600 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5601 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5602 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5604 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5605 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5606 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5607 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5608 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5610 and LINUX_DYNAMIC_LINKER32.
5611 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5612 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5613 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5614 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5615 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5617 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5618 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5619 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5620 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5621 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5622 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5623 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5624 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5625 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5626 LINUX_DYNAMIC_LINKER): Define.
5627 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5628 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5629 GLIBC_DYNAMIC_LINKER64): Define.
5630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5631 LINUX_DYNAMIC_LINKER64.
5632 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5633 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5634 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5635 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5636 LINUX_DYNAMIC_LINKER): Define.
5637 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5638 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5639 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5640 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5641 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5642 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5643 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5644 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5645 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5646 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5647 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5648 * doc/invoke.texi (-muclibc): Remove caveat about supported
5651 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5653 * doc/cpp.texi (__TIMESTAMP__): Document.
5655 2006-02-17 Roger Sayle <roger@eyesopen.com>
5658 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5659 C is one less than the width of X (and related transformations).
5660 * simplify-rtx.c (simplify_unary_operation_1): Transform
5661 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5662 depending on STORE_FLAG_VALUE, were C is one less then the
5665 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5667 Fix PR tree-optimization/26341
5668 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5669 about NAME_MEMORY_TAG's.
5671 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5674 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5675 with hardware float support, and software float support. Add fcpy
5676 alternative to hardware patterns. Add alternatives to copy between
5677 general and floating-point registers to the 32-bit pattern.
5678 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5679 secondary reload to load a QI or HI mode constant into a floating
5681 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5682 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5684 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5687 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5689 (load_macho_picbase_di): Likewise.
5691 2006-02-16 Jeff Law <law@redhat.com>
5693 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5694 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5695 (ssa_name_nonzero_p): Likewise.
5696 (get_value_range): Return NULL if VRP is not running.
5697 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5698 VRP routines do not discover a range.
5699 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5700 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5701 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5702 (tree_expr_nonnegative_p): Similarly.
5703 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5704 (restore_nonzero_vars_to_original_value): Remove.
5705 (unsafe_associative_fp_binop): Remove.
5706 (tree_ssa_dominator_optimize): Remove initialization and
5707 finalization of nonzero_vars and nonzero_vars_stack.
5708 (dom_opt_initialize_block): No longer push marker on
5710 (dom_opt_finalize_block): No longer call
5711 restore_nonzero_vars_to_original_value.
5712 (record_equivalences_from_phis): No longer look for
5713 nonzero PHI arguments.
5714 (cprop_into_successor_phis): No longer propagate nonzero
5715 property into PHI arguments. Lose unused argument. Caller
5717 (record_equivalences_from_stmt): No longer record nonzero
5718 values for SSA_NAMEs.
5719 (lookup_avail_expr): No longer use nonzero_vars.
5721 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5722 for sizetype when sizetype is unsigned.
5724 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5726 PR rtl-optimization/25603
5727 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5728 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5729 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5730 with new meaning of SETS.
5732 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5737 * config/linux.opt: New file.
5738 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5739 LINUX_DYNAMIC_LINKER): Define.
5740 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5741 * config.gcc (*-*-linux*): Define extra_options.
5742 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5743 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5744 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5745 GLIBC_DYNAMIC_LINKER.
5746 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5747 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5748 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5749 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5750 * doc/invoke.texi (GNU/Linux Options): New section.
5752 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5754 * config/sparc/sparc.md (setjmp): Rewrite.
5755 (setjmp_32): Delete.
5756 (setjmp_64): Likewise.
5758 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5760 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5763 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5765 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5768 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5770 PR rtl-optimization/26296
5771 * Makefile.in (loop-invariant.c): Add except.h dependency.
5772 * loop-invariant.c: Include except.h.
5773 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5775 2005-02-16 Paul Brook <paul@codesourcery.com>
5777 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5780 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5782 PR rtl-optimization/25636
5783 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5784 when deciding whether an insn is an initializing insn.
5786 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5788 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5789 (tree_code_size): Ditto.
5790 * tree.h (struct tree_memory_tag): Remove parent_var.
5791 (struct tree_struct_field_tag): New.
5794 (union tree_node): Add sft member.
5795 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5797 (create_sft): Add size and offset argument, set SFT_OFFSET and
5799 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5800 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5801 * tree-flow-inline.h (get_subvar_at): Update for
5802 SFT_OFFSET/SFT_SIZE.
5803 (var_can_have_subvars): Ditto.
5804 (overlap_subvar): Ditto.
5805 * print-tree.c (print_node): Print out interesting things for
5807 * tree-flow.h (struct subvar): Remove offset and size members.
5808 * tree-ssa-operands.c (get_expr_operands): Update for
5809 get_indirect_ref_operands changes.
5810 (get_indirect_ref_operands): Call add_virtual_operand instead of
5811 add_stmt_operand. Only recurse on base var if requested.
5812 (access_can_touch_variable): New function.
5813 (add_stmt_operand): Split virtual operand handling into ...
5814 (add_virtual_operand): Here. Add offset, size, and for_clobber
5815 arguments. Prune alias sets.
5816 (add_call_clobber_ops): Call add_virtual_operand.
5818 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5821 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5823 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5824 than TREE_CODE as index into omp_clause_num_ops array.
5826 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5828 PR rtl-optimization/26184
5829 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5831 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5832 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5833 must_precede, must_follow and tobe_scheduled.
5836 * opts.c (common_handle_option): Free new_option pointer.
5837 * df-core.c (df_analyze): Free postorder pointer.
5839 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5841 * Makefile.in: Fix the examples about the use of stamps
5843 2006-02-15 Michael Matz <matz@suse.de>
5847 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5848 influenced by maximum_field_alignment or DECL_PACKED.
5849 (update_alignment_for_field): Ditto.
5850 (place_field): Ditto.
5851 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5854 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5856 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5857 (debug_flow_info): Pass it.
5858 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5859 * bb-reorder.c (reorder_basic_blocks): Likewise.
5860 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5861 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5862 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5863 * gcse.c (gcse_main, bypass_jumps): Likewise.
5864 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5865 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5866 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5867 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5868 * rtl.h (dump_flow_info): Adjust prototype.
5869 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5870 * var-tracking.c (variable_tracking_main): Likewise.
5871 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5872 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5875 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5877 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5880 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5882 PR tree-optimization/26209
5883 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5884 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5886 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5888 2006-02-14 Roger Sayle <roger@eyesopen.com>
5891 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5892 (X,Y) and the corresponding symmetry related transformations.
5893 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5894 (X,Y) and its symmetry related transformations.
5896 2006-02-14 Roger Sayle <roger@eyesopen.com>
5898 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5901 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5903 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5905 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5908 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5909 support COMDAT group.
5910 * configure: Regenerate.
5912 2006-02-14 Roger Sayle <roger@eyesopen.com>
5917 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5919 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5921 Fix PR tree-optimization/26260
5923 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5925 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5926 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5927 * tree-ssa-structalias.c (create_variable_info_for): Use
5928 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5930 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5932 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5934 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5935 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5936 of the ending condition.
5937 * tree-ssa-loop-manip.c: Include params.h.
5938 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5939 tree_unroll_loop): New functions.
5940 * tree-pass.h (pass_loop_prefetch): Declare.
5941 * loop.c (rest_of_handle_loop_optimize): Test for
5942 -fprefetch-loop-arrays-rtl.
5943 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5944 * timevar.def (TV_TREE_PREFETCH): New timevar.
5945 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5946 pass_loop_prefetch): New.
5947 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5948 (cleanup_tree_cfg_loop): Call scev_reset.
5949 * common.opt (fprefetch-loop-arrays-rtl): Add.
5950 * tree-ssa-loop-prefetch.c: New file.
5951 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5952 (new_temp_expr_table): Initialize expr_vars.
5953 (free_temp_expr_table): Cleanup expr_vars.
5954 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5955 expressions from being merged into one.
5956 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5957 (struct tree_niter_desc): Add control, bound and cmp fields.
5958 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5960 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5961 (tree-cfgcleanup.o): Add SCEV_H dependency.
5962 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5963 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5965 2006-02-14 Richard Guenther <rguenther@suse.de>
5967 PR tree-optimization/26258
5968 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5969 in PHI argument processing.
5971 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5973 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5974 new expression in the requested machine mode.
5976 2006-02-13 Roger Sayle <roger@eyesopen.com>
5978 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5979 directly, instead let do_compare_rtx_and_jump handle this for us.
5980 * expr.c (expand_expr_real_1): Likewise.
5981 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5982 before do_jump_by_parts_greater.
5983 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5984 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5986 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5988 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5990 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5992 PR rtl-optimization/26235
5993 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5994 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5997 2006-02-13 Jeff Law <law@redhat.com>
5999 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6002 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6005 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6006 twice if decl is a builtin. When trying again, call get_callee_fndecl
6007 first to verify it is still a builtin.
6009 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6011 * dwarf2out.c (base_type_die): Don't add AT_name here.
6012 (subrange_type_die): Don't add AT_name here.
6013 (modified_type_die): Rearrange code flow. Do add AT_name here.
6015 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6017 PR rtl-optimization/26247
6018 PR rtl-optimization/26248
6019 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6021 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6023 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6024 * config/fixtfdi.c: Likewise.
6025 * config/fixunstfdi.c: Likewise.
6026 * config/floatditf.c: Likewise.
6028 2006-02-13 Roger Sayle <roger@eyesopen.com>
6031 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6032 into (X,C2) if C1 is a subset of the bits of C2. Transform
6033 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6035 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6037 2006-02-13 Josh Conner <jconner@apple.com>
6040 * varasm.c (function_section): Check for section name before
6041 calling select_section on targets that define
6042 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6043 unlikely_text_section instead of hot_function_section if
6044 first_function_block_is_cold.
6046 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6049 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6051 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6053 PR rtl-optimization/26222
6054 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6055 after tree->rtl expansion.
6056 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6057 before passing it to emit_move_insn.
6059 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6061 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6063 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6064 Clarify documentation.
6065 * c-common.h (warn_write_strings): Remove.
6066 * c-common.c (warn_write_strings): Likewise.
6067 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6070 2006-02-12 Roger Sayle <roger@eyesopen.com>
6073 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6074 (do_jump_parts_zero_rtx): New function renamed from
6075 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6076 (do_jump_parts_equality_rtx): New function split out from
6077 do_jump_parts_equality. Old implementation renamed as above.
6078 Call do_jump_parts_zero_rtx if either operand is zero.
6079 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6080 do all of the heavy lifting.
6081 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6082 calling either do_jump_by_parts_greater_rtx or
6083 do_jump_by_parts_equality_rtx.
6084 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6085 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6086 moved to do_compare_rtx_and_jump, call it directly.
6087 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6088 mode argument. Call do_compare_rtx_and_jump.
6089 (emit_case_nodes): Update calls to do_jump_if_equal.
6091 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6093 PR rtl-optimization/26225
6094 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6096 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6098 PR rtl-optimization/26232
6099 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6101 2006-02-11 Jason Merrill <jason@redhat.com>
6104 * tree-inline.c (declare_return_variable): Just don't use the
6105 modify target if it's a gimple complex reg and the return slot
6108 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6110 * doc/contrib.texi: Update my entry.
6112 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6114 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6116 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6118 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6121 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6123 * doc/invoke.texi (-floop-optimize2): Removed.
6124 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6125 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6126 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6127 * common.opt (floop-optimize2): Removed.
6128 (fmove-loop-invariants): Enabled by default.
6130 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6132 * tree-if-conv.c (combine_blocks): Free the result of
6133 get_loop_exit_edges.
6135 2006-02-10 Jeff Law <law@redhat.com>
6137 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6139 PR tree-optimization/26213
6140 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6141 loop trying to follow SSA_NAME_VALUE chains.
6143 2006-02-10 Richard Guenther <rguenther@suse.de>
6145 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6146 deal with structures that end in implicitly variable sized arrays.
6148 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6150 PR rtl-optimization/24762
6151 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6154 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6156 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6157 (struct ivopts_data): Add regs_used field.
6158 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6159 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6160 instead of loop_data->regs_used;
6161 (free_loop_data): Do not free aux fields for loops.
6162 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6163 and tree_ssa_iv_optimize_finalize.
6165 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6167 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6169 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6172 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6173 computing the effective result type.
6175 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6178 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6179 (tree_overlaps_hard_reg_set): Declare.
6180 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6181 type and signature to match function type expected by walk_tree.
6182 (tree_overlaps_hard_reg_set): New function.
6183 (decl_conflicts_with_clobbers_p): Rename to:
6184 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6185 Use tree_overlaps_hard_reg_set. Changed caller.
6186 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6187 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6188 * cris.c (cris_md_asm_clobbers): Likewise.
6190 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6192 * reload1.c (emit_input_reload_insns): Delete code that tries to
6193 inherit using find_equiv_reg.
6195 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6197 * c-common.h (flag_const_strings): Don't declare.
6198 * c-common.c (flag_const_strings): Remove.
6199 * c.opt (fconst_strings): Remove.
6200 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6201 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6202 (c_common_init_options): Don't set flag_const_strings.
6203 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6205 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6207 * arm.md (tlobits_cbranch): New pattern.
6208 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6209 testing a single bit.
6211 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6214 * tree-ssa-pre.c (create_component_ref_by_pieces):
6215 Handle RETURN_DECL like VAR_DECL.
6217 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6220 * fold-const.c (fold_indirect_ref_1): Fold
6221 "*(foo *)&complexfoo" to "__real__ complexfoo"
6222 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6224 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6226 * tree-flow-inline.h (var_can_have_subvars):
6227 Volatile variables should not have subvariables.
6229 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6232 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6233 multiplying unsigned values.
6236 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6238 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6240 2006-02-08 Jason Merrill <jason@redhat.com>
6243 * tree.def: Elaborate on difference from MODIFY_EXPR.
6244 * doc/c-tree.texi (INIT_EXPR): Likewise.
6245 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6246 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6247 (gimplify_target_expr): Likewise.
6248 (gimplify_cond_expr): Remove target handling.
6249 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6250 (gimplify_expr): Clobber it here.
6251 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6252 Do return slot optimization if we have an INIT_EXPR.
6255 * tree-inline.c (declare_return_variable): Also clear
6256 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6259 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6262 * gimplify.c (gimplify_one_sizepos): Fix typo.
6264 2006-02-08 Jeff Law <law@redhat.com>
6266 PR tree-optimization/21417
6267 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6268 across a backedge if the control statement at the end of the
6269 block is data dependent on other statements in the same block.
6270 (record_temporary_equivalences_from_stmts): Remove over-conservative
6271 test for threading across backedges.
6273 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6274 control statement, handle all three special cases in the same
6275 manner as they all have the same desired solution. No longer
6276 special case edge flag updating when the post dominator is
6279 2006-02-08 Roger Sayle <roger@eyesopen.com>
6281 * tree.def (CHAR_TYPE): Remove.
6282 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6283 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6284 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6285 (gen_string_type_die): Delete unreachable function.
6287 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6288 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6289 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6290 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6291 * builtins.c (type_to_class): Likewise.
6292 * fold-const.c (fold_convert, build_range_check,
6293 merge_ranges): Likewise.
6294 * expr.c (count_type_elements): Likewise.
6295 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6296 * stor-layout.c (layout_type): Likewise.
6297 * ipa-type-escape.c (type_to_consider): Likewise.
6298 * gimplify.c (omp_firstprivatize_type_sizes,
6299 gimplify_type_sizes): Likewise.
6300 * explow.c (promote_mode): Likewise.
6301 * tree-sra.c (is_sra_scalar_type): Likewise.
6302 * varasm.c (output_constant): Likewise.
6303 * tree-inline.c (remap_type_1): Likewise.
6304 * convert.c (convert_to_pointer, convert_to_real,
6305 convert_to_integer, convert_to_complex): Likewise.
6307 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6309 * df-scan.c (df_def_record_1): A set destination may
6310 be a parallel regardless of mode.
6312 2006-02-08 Roger Sayle <roger@eyesopen.com>
6315 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6316 * config/mips/_tilib.c: Remove.
6317 * config/fixtfdi.c: New libgcc source file.
6318 * config/fixunstfdi.c: New source file.
6319 * config/floatditf.c: New source file.
6320 * config/floatunditf.c: New souce file.
6321 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6322 files above instead of config/mips/_tilib.c.
6323 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6325 2006-02-08 Jeff Law <law@redhat.com>
6327 PR tree-optimization/26169
6328 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6331 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6333 * df.h (DF_REG_SIZE): Return the length of the initialized
6336 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6338 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6339 __muldf3): Return a correctly signed zero.
6341 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6343 * passes.c (register_one_dump_file): Accept the current properties
6344 instead of pass number. Adjust call to dump_register. Remove
6346 (register_dump_files): Now a wrapper around...
6347 (register_dump_files_1): ... this one. Do not modify the pass
6349 (next_pass_1): Cosmetic fix.
6350 (execute_todo): Keep second parameter only. Use curr_properties
6351 instead of fetching it from the pass structure. Check and set
6353 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6354 instead of fetching it from the pass structure. Fix calls to
6355 execute_todo. Update curr_properties and initialize .vcg RTL dump
6356 after running the pass. Reset last_verified.
6357 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6359 (FIRST_AUTO_NUMBERED_DUMP): New.
6360 (dump_register): Remove "num" parameter, assign it within the
6362 (get_dump_file_name): Modify template for dumps.
6363 * tree-dump.h (dump_register): Adjust prototype.
6364 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6365 (PROP_trees): Add PROP_gimple_lomp.
6366 (TODO_set_props): New.
6367 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6368 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6369 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6371 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6373 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6374 (sparc64-*-linux*): Likewise.
6375 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6376 * config/sparc/t-linux: New file.
6377 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6378 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6379 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6380 -m32 -mlong-double-128.
6382 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6383 * config/alpha/t-linux: New file.
6384 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6386 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6387 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6388 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6389 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6390 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6391 (CPP_ARCH32_SPEC): Remove.
6393 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6395 PR tree-optimization/26145
6396 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6399 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6402 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6403 >= 240000 when generating code for SOM runtime.
6404 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6405 to $$dyncall when generating code for SOM runtime..
6407 2006-02-07 Dirk Mueller <dmueller@suse.com>
6410 * doc/invoke.texi (-Wsequence-point): Update documentation
6411 that -Wsequence-point is implemented for C++ as well.
6413 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6415 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6416 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6417 (LIB_SPEC): Likewise.
6418 * doc/invoke.texi (SPARC options): Document -pthread.
6420 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6422 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6425 2006-02-07 Roger Sayle <roger@eyesopen.com>
6427 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6428 Correct comment describing BOOLEAN_TYPE.
6430 2006-02-07 Dirk Mueller <dmueller@suse.com>
6432 * c.opt: C++ frontend supports -Wdiv-by-zero.
6433 * c-opts.c (c_common_handle_option): Remove dead case.
6435 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6437 * configure.ac (TLS assembler check): Do not enable TLS by
6438 default on SPARC/Solaris before version 10.
6439 * configure: Regenerate.
6441 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6443 * doc/invoke.texi (xl-compat): Document conversion and support
6446 2006-02-07 Jeff Law <law@redhat.com>
6448 * tree-vrp.c (find_conditional_asserts): Update comments.
6449 (simplify_stmt_for_jump_threading): New.
6450 (identify_jump_threads, finalize_jump_threads): New.
6451 (vrp_finalize): Call identify_jump_threads.
6452 (execute_vrp): Call finalize_jump_threads.
6453 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6454 (vrp_element, vrp_data, vrp_element_p): Remove.
6455 (vrp_hash_elt, vrp_variables_stack): Remove.
6456 (vrp_hash, vrp_eq, record_range): Remove.
6457 (simplify_cond_and_lookup_avail_expr): Remove.
6458 (extract_range_from_cond): Remove.
6459 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6460 (simplify_stmt_for_jump_threading): New.
6461 (dom_thread_across_edge): New wrapper.
6462 (tree_ssa_dominator_optimize): No longer initialize or
6463 finalize any of the VRP datastructures. Remove iteration
6464 step and simplify as a result of removal of iteration step.
6465 (pass_dominator): Perform a cfg cleanup after DOM.
6466 (dom_opt_finalize_block): Use the new common routines
6467 for threading jumps. Simplify stack management slightly.
6468 No longer need to unwind VRP state.
6469 (record_equivalences_from_incoming_edge): No longer record
6471 (eliminate_redundant_computations): No longer call
6472 simplify_cond_and_lookup_avail_expr.
6473 * tree-flow.h (potentially_threadable_block): Prototype.
6474 (thread_across_edge): Likewise.
6475 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6476 (tree-ssa-threadedge.o): Add dependencies.
6477 * tree-ssa-threadedge.c: New file.
6478 * passes.c (init_optimization_passes): Merge PHIs before
6479 calling VRP. Run VRP again late in the SSA optimization pipeline.
6481 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6483 * df-core.c (df_set_blocks): Do not dereference function pointers.
6484 (df_finish1): Likewise.
6485 (df_hybrid_search_forward): Likewise.
6486 (df_hybrid_search_backward): Likewise.
6487 (df_iterative_dataflow): Likewise.
6488 (df_analyze_problem): Likewise.
6489 (df_compact_blocks): Likewise.
6490 (df_dump): Likewise.
6491 * df-scan.c (df_rescan_blocks): Likewise.
6492 (df_record_entry_block_defs): Likewise.
6494 * genconditions.c (write_conditions): Guard the definition of
6495 'insn_conditions' with the check on GCC version.
6496 (write_writer): Guard the traversal 'insn_conditions' with
6497 the check on GCC version.
6499 2006-02-07 Richard Guenther <rguenther@suse.de>
6503 2006-01-30 Richard Guenther <rguenther@suse.de>
6505 * gimplify.c (gimplify_target_expr): Handle easy cases
6506 without creating a temporary.
6508 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6510 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6511 use of float in probability computations. Use edge probabilities
6512 in place of statically computed probabilities.
6513 (min_spec_prob): New static variable.
6514 (schedule_insns): Initialize it.
6515 (GET_SRC_PROB): Removed.
6516 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6518 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6521 * config/ia64/unwind-ia64.c: Revert last change.
6522 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6523 (INCOMING_FRAME_SP_OFFSET): Define.
6525 2006-02-06 Roger Sayle <roger@eyesopen.com>
6527 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6529 2006-02-07 Ben Elliston <bje@au.ibm.com>
6531 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6532 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6533 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6534 (ix86_return_in_memory): Handle TDmode.
6535 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6536 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6538 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6540 * reorg.c (dbr_schedule): Use dump_file instead of file.
6542 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6545 * config/ia64/predicates.md (extr_len_operand): New predicate.
6546 * config/ia64/ia64.md (extv): Tighten constraints.
6548 (*tbit_and_2): Ditto.
6549 (*tbit_and_3): Ditto.
6550 (*tbit_or_2): Ditto.
6551 (*tbit_or_3): Ditto.
6555 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6558 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6560 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6562 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6563 loop_optimizer_init and loop_optimizer_finalize
6564 * tree-ssa-sink.c (execute_sink_code): Ditto.
6565 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6566 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6567 tree_ssa_loop_done): Ditto.
6568 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6569 * sched-ebb.c: Include output.h.
6570 (schedule_ebbs): Do not use dump argument.
6571 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6572 * loop.c (loop_dump_stream): Removed.
6573 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6575 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6576 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6577 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6578 loop_iterations, strength_reduce, record_biv, record_giv,
6579 final_giv_value, check_final_value, check_ext_dependent_givs,
6580 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6581 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6582 dump_file instead of loop_dump_stream.
6583 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6585 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6587 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6588 * haifa-sched.c: Include output.h
6589 (schedule_insns, sched_init): Do not use dump argument.
6590 * mode-switching.c (optimize_mode_switching): Ditto.
6591 * modulo-sched.c (stats_file): Removed.
6592 (print_node_sched_params): Do not call argument dump_file.
6593 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6594 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6596 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6598 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6599 rtl_loop_init, rtl_loop_done): Ditto.
6600 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6601 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6603 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6604 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6605 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6606 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6607 * emit-rtl.c (renumber_insns): Ditto.
6608 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6609 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6610 * regclass.c (regclass): Ditto.
6611 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6612 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6613 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6614 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6616 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6617 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6619 * gcse.c (gcse_file, debug_stderr): Removed.
6620 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6621 rest_of_handle_gcse): Do not use dump argument.
6622 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6623 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6624 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6625 compute_code_hoist_vbeinout, compute_code_hoist_data,
6626 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6627 compute_store_table, build_store_vectors, insert_insn_start_bb,
6628 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6629 store_motion): Use dump_file instead of gcse_file.
6630 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6631 * profile.c (profile_dump_file): Removed.
6632 (branch_prob): Use dump_file instead of profile_dump_file.
6633 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6635 * tree-ssa-copy.c (dump_copy_of): Ditto.
6636 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6637 dump file to life_analysis.
6638 * bt-load.c (branch_target_load_optimize): Ditto.
6639 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6641 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6642 regclass, dbr_schedule): Declaration changed.
6643 * sched-int.h (sched_init): Declaration changed.
6644 * tree-profile.c (tree_profile_dump_file): Removed.
6645 (tree_profile_hooks): Removed profile_dump_file hook.
6646 * rtl-profile (rtl_profile_dump_file): Removed.
6647 (rtl_profile_hooks): emoved profile_dump_file hook.
6648 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6650 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6651 * tree-cfg.c (build_tree_cfg): Ditto.
6652 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6653 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6654 Declaration changed.
6655 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6656 life_analysis and schedule_insns.
6657 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6659 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6661 * config/mips/mips.c (mips_reorg): Ditto.
6662 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6665 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6667 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6668 (s390_mangle_fundamental_type): New.
6669 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6672 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6673 (alpha_mangle_fundamental_type): New.
6674 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6677 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6679 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6681 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6682 (sparc_mangle_fundamental_type): New.
6684 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6686 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6687 (s390x-*-linux*): Likewise.
6688 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6689 * config/s390/t-linux: New file.
6691 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6693 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6694 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6696 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6698 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6699 (ANTIC_SAFE_LOADS): New macro.
6700 (find_or_generate_expression): Add prototype.
6701 (set_contains_value): Allow null set for sake of not always having
6702 to allocate ANTIC_SAFE_LOADS.
6703 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6704 Allow COMPONENT_REF too.
6705 (valid_in_set): Allow COMPONENT_REF.
6706 Check ANTIC_SAFE_LOADS too.
6707 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6708 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6710 (can_PRE_operation): Add COMPONENT_REF.
6711 (create_component_ref_by_pieces): New function.
6712 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6713 (insert_aux): Move AGGREGATE_TYPE_P check here.
6714 (compute_avail): Set bb local stmt uids.
6715 (pass_pre): Use TODO_update_ssa_only_virtuals.
6717 2006-02-06 Ben Elliston <bje@au.ibm.com>
6719 * configure.ac: Unconditionally disable decimal float by default.
6720 * configure: Regenerate.
6722 2006-02-06 Ben Elliston <bje@au.ibm.com>
6724 * read-rtl.c (read_name): Terminate reading on EOF.
6726 2006-02-06 Ben Elliston <bje@au.ibm.com>
6728 * dfp.c (decimal_real_arithmetic): Change second argument type
6729 from int to enum tree_code. Do not always return true, but now
6730 return result of any call to decimal_do helper functions.
6731 * dfp.h (decimal_real_arithmetic): Update prototype.
6733 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6735 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6737 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6740 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6743 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6745 * tree-vrp.c (cfg_loops): Removed.
6746 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6747 Use current_loops instead of cfg_loops. Pass flags to
6748 loop_optimizer_init.
6749 * cfgloopmanip.c (fix_loop_structure): Update only available
6751 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6752 loop_optimizer_init.
6753 * modulo-sched.c (build_loops_structure): Removed.
6754 (sms_schedule): Use loop_optimizer_init.
6755 * loop-init.c (loop_optimizer_init): Use flags to determine
6756 which properties of loops to prepare.
6757 (rtl_loop_init): Pass flags to loop_optimizer_init.
6758 * tree-ssa-sink.c (execute_sink_code): Ditto.
6759 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6760 * tree-ssa-pre.c (init_pre): Ditto.
6761 * cfgloop.h (LOOPS_NORMAL): New.
6762 (loop_optimizer_init): Declaration changed.
6764 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6766 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6767 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6769 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6771 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6773 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6774 * pa/t-pa64: Delete quadlib.c rule.
6775 * pa/x-ada: Revert last change.
6776 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6778 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6780 PR rtl-optimization/26087
6781 * rtlanal.c (canonicalize_condition): Do not cross basic block
6784 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6787 * config/ia64/ia64.c: Include debug.h.
6788 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6789 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6790 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6791 (process_epilogue, process_set, process_for_unwind_directive):
6792 Output unwind info only if requested. Add CFA info if requested.
6793 Add new arguments as needed. Adjust callers.
6794 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6796 (DWARF2_FRAME_INFO): Define to zero.
6797 * config/ia64/unwind-ia64.c: Remove code that compensated for
6798 the CFA offset error fixed above.
6799 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6800 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6801 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6802 -funwind-tables and -fexceptions to enable frame info.
6803 (dwarf2out_frame_init): Define initial CFA even if
6804 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6805 DWARF2_UNWIND_INFO is nonzero, not just defined.
6806 (dwarf2out_frame_finish): Output non-EH call frame info only
6807 if DWARF2_FRAME_INFO is nonzero.
6808 (convert_cfa_to_loc_list,
6809 compute_frame_pointer_to_cfa_displacement): Define even if
6810 unwind info is not supported.
6811 (gen_subprogram_die): Use the above unconditionally. Remove
6812 legacy alternate code.
6813 * toplev.c (compile_file): Compile in call to
6814 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6815 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6817 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6818 Jakub Jelinek <jakub@redhat.com>
6820 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6821 IBM extended float format long double as "g" on powerpc*-linux.
6823 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6826 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6827 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6829 2006-02-03 Jason Merrill <jason@redhat.com>
6832 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6835 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6836 on the return slot if it's an NRV.
6838 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6840 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6841 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6842 rewrite_use): Do not handle USE_OUTER.
6843 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6844 add_iv_outer_candidates, may_replace_final_value,
6845 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6846 (find_interesting_uses_op): Functionality of
6847 find_interesting_uses_outer_or_nonlin moved here.
6848 (find_interesting_uses_outside): Use find_interesting_uses_op.
6850 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6853 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6855 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6856 Ulrich Weigand <uweigand@de.ibm.com>
6859 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6860 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6861 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6862 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6864 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6865 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6866 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6867 Define secondary reloads for TFmode moves.
6868 (constant_modes): Add TFmode.
6869 (NR_C_MODES): Set to 8.
6870 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6872 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6873 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6874 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6875 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6876 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6877 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6878 (FPR mode macro): Add TFmode.
6879 (DSF mode macro): New.
6880 (<de>, <dee> mode attributes): Removed.
6881 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6882 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6883 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6884 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6885 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6886 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6887 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6888 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6889 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6890 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6891 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6892 "*negabs<mode>2", "sqrt<mode>2"):
6893 Changed <de> to <xde>. R constraint replaced by <Rf>.
6894 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6896 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6897 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6898 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6900 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6901 "extenddftf2", "extendsftf2"): New expanders.
6902 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6903 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6904 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6905 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6907 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6908 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6909 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6910 __floatditf): Add a GCC_4.1.0 symbol version tag.
6911 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6914 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6917 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6918 Use targetm.binds_local_p instead of TREE_PUBLIC.
6920 2006-02-02 Roger Sayle <roger@eyesopen.com>
6922 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6923 on INTEGER_TYPEs to indicate that it denotes a character type.
6924 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6925 signed_char_type_node, unsigned_char_type_node and char_type_node.
6926 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6927 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6928 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6930 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6931 Daniel Berlin <dberlin@dberlin.org>
6933 * tree-tailcall.c (arg_needs_copy_p): New function.
6934 (eliminate_tail_call): Use arg_needs_copy_p.
6935 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6936 (add_virtual_phis): New function.
6938 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6940 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6941 #ignore instead of #scratch for %g7 .register directive.
6943 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6945 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6948 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6950 * flow.c (calculate_global_regs_live): Assert that there aren't any
6953 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6955 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6957 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6958 bsi_after_labels iterator.
6959 * tree-if-conv.c (find_phi_replacement_condition,
6960 replace_phi_with_cond_modify_expr): Likewise.
6961 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6962 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6964 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6966 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6968 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6971 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6972 array after growing it.
6974 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6977 * fold-const.c (fold_checksum_tree): Change type of buf.
6979 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6981 * reload.c (push_secondary_reload): Initialize t_icode.
6983 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6985 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6986 -msoft-float -mlong-double-128 only issue a warning, but don't
6987 swich to DFmode long double.
6989 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6991 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6992 has a constant equivalent, iterate over equivalents for arg0,
6993 calling simplify_relational_operation and if there's a result
6994 cheaper than X, apply fold_rtx and return the result.
6996 2006-02-01 Jan Hubicka <jh@suse.cz>
6998 * opts.c (no_unit_at_a_time_default): New global variable.
6999 (decode_options): Use it.
7000 * opts.h (no_unit_at_a_time_default): Declare.
7002 2006-02-01 Paul Brook <paul@codesourcery.com>
7004 * function.c (assign_parm_setup_reg): Use function argument promotion
7006 * expr.c (expand_expr_real_1): Use function argument promotion rules
7009 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7011 * gcc.c (process_command): Change j to 'unsigned int'.
7013 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7016 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7017 Use the corrected index for the character
7018 out of the string constant.
7020 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7022 * mode-switching.c (optimize_mode_switching): Fix size
7023 allocated for bb_info[n_entities].
7025 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7027 * gcc.c (main): Correct type that is allocated for
7028 explicit_link_files.
7030 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7032 * config/s390/s390.c (init_alignment_context): Set
7033 ALIAS_SET_MEMORY_BARRIER on the MEM.
7034 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7036 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7039 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7041 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7044 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7046 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7047 * regrename.c: Ditto.
7048 * tree-ssa-loop-im.c: Ditto.
7049 * tree-dump.c: Ditto.
7050 * tree-complex.c: Ditto.
7051 * genrecog.c: Ditto.
7052 * tree-ssa-threadupdate.c: Ditto.
7054 * java/class.c: Ditto.
7055 * java/jcf-parse.c: Ditto.
7056 * java/resource.c: Ditto.
7057 * java/except.c: Ditto.
7058 * java/jvspec.c: Ditto.
7059 * java/jcf-write.c: Ditto.
7060 * java/jcf-path.c: Ditto.
7061 * java/gjavah.c: Ditto.
7062 * java/zextract.c: Ditto.
7063 * java/jcf-io.c: Ditto.
7064 * java/jcf.h: Ditto.
7065 * java/buffer.c: Ditto.
7066 * java/lang.c: Ditto.
7067 * java/parse-scan.y: Ditto.
7068 * java/lex.c: Ditto.
7069 * java/lex.h: Ditto.
7070 * cfgloopmanip.c: Ditto.
7071 * postreload-gcse.c: Ditto.
7072 * tree-ssa-loop-manip.c: Ditto.
7073 * postreload.c: Ditto.
7074 * tree-ssa-loop-ch.c: Ditto.
7078 * diagnostic.c: Ditto.
7080 * genoutput.c: Ditto.
7082 * cfghooks.c: Ditto.
7083 * cfgloopanal.c: Ditto.
7084 * objc/objc-act.c: Ditto.
7086 * genextract.c: Ditto.
7087 * genautomata.c: Ditto.
7088 * pretty-print.c: Ditto.
7090 * cgraphunit.c: Ditto.
7093 * haifa-sched.c: Ditto.
7094 * dominance.c: Ditto.
7096 * tree-ssa-loop-ivopts.c: Ditto.
7098 * mode-switching.c: Ditto.
7099 * modulo-sched.c: Ditto.
7101 * ipa-pure-const.c: Ditto.
7103 * fix-header.c: Ditto.
7105 * tree-stdarg.c: Ditto.
7106 * ipa-utils.c: Ditto.
7107 * loop-init.c: Ditto.
7108 * ipa-inline.c: Ditto.
7111 * alloc-pool.c: Ditto.
7112 * dwarf2out.c: Ditto.
7114 * genattrtab.c: Ditto.
7115 * tree-ssa-loop-ivcanon.c: Ditto.
7119 * fortran/gfortranspec.c: Ditto.
7121 * local-alloc.c: Ditto.
7122 * langhooks.c: Ditto.
7123 * function.c: Ditto.
7124 * tree-vectorizer.c: Ditto.
7126 * ipa-type-escape.c: Ditto.
7128 * tree-if-conv.c: Ditto.
7131 * tree-data-ref.c: Ditto.
7132 * loop-unroll.c: Ditto.
7133 * treelang/treetree.c: Ditto.
7136 * ggc-common.c: Ditto.
7138 * coverage.c: Ditto.
7140 * tree-cfgcleanup.c: Ditto.
7141 * tree-ssa-pre.c: Ditto.
7142 * cfgcleanup.c: Ditto.
7143 * loop-invariant.c: Ditto.
7145 * ipa-prop.c: Ditto.
7146 * print-tree.c: Ditto.
7147 * conflict.c: Ditto.
7148 * ggc-page.c: Ditto.
7149 * sched-deps.c: Ditto.
7150 * regclass.c: Ditto.
7151 * tree-object-size.c: Ditto.
7153 * bb-reorder.c: Ditto.
7154 * resource.c: Ditto.
7155 * var-tracking.c: Ditto.
7157 * df-problems.c: Ditto.
7158 * reg-stack.c: Ditto.
7161 * sched-rgn.c: Ditto.
7162 * tree-ssa-structalias.c: Ditto.
7163 * tree-ssa-reassoc.c: Ditto.
7164 * config/darwin-c.c: Ditto.
7165 * config/darwin.c: Ditto.
7166 * config/arm/arm.c: Ditto.
7168 * collect2.c: Ditto.
7171 2006-01-31 Nicolas Pitre <nico@cam.org>
7173 * arm.md (smaxsi3): Make aware of smax_m1.
7176 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7178 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7180 2006-01-31 Richard Guenther <rguenther@suse.de>
7182 * doc/invoke.texi (-msselibm): Document.
7183 * target.h (expand_library_builtin): New target hook.
7184 * builtins.c (expand_builtin): Use expand_library_builtin.
7185 (default_expand_library_builtin): New function.
7186 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7187 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7188 (link_gcc_math_spec): Declare.
7189 (static_specs): Add link_gcc_math_spec.
7190 * expr.h (default_expand_library_builtin): Declare.
7191 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7192 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7193 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7194 * config/i386/i386.opt (msselibm): New target option.
7195 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7196 (ix86_init_sse_abi_builtins): New function.
7197 (ix86_expand_library_builtin): Likewise.
7198 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7199 (override_options): Handle error conditions wrt -msselibm.
7200 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7201 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7202 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7205 2006-01-31 Richard Guenther <rguenther@suse.de>
7206 Paolo Bonzini <bonzini@gnu.org>
7208 * doc/install.texi (--disable-libgcc-math): Document.
7210 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7212 * expr.h (expand_normal): new inline function.
7213 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7215 * dwarf2out.c: use it.
7220 * config/sparc/sparc.c: use it.
7221 * config/i386/i386.c: use it.
7222 * config/rs6000/rs6000.c: use it.
7223 * config/arm/arm.c: use it.
7224 * config/mips/mips.c: use it.
7225 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7227 2006-01-30 Roger Sayle <roger@eyesopen.com>
7229 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7230 argv to the appropriate type.
7232 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7234 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7237 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7240 * config/s390/s390.c (struct machine_function): New flag
7241 decomposed_literal_pool_addresses_ok_p.
7242 (s390_reorg): Set it before final stage of literal pool transforms.
7243 (s390_decompose_address): Only accept displacements of the form
7244 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7246 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7248 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7249 the comparison routine return.
7251 2006-01-30 Michael Matz <matz@suse.de>
7253 * global.c (find_reg): Only evict for global regs.
7254 Take n_refs into account and dump more info.
7256 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7259 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7260 (pragma_trap, pragma_nosave_low_regs): Likewise.
7261 (current_function_anonymous_args): Likewise.
7262 (sh_deferred_function_attributes): New variable.
7263 (sh_deferred_function_attributes_tail): Likewise.
7264 (print_operand): For '@', look up trap_exit attribute.
7265 (calc_live_regs): Look up trapa_handler attribute. For trapa
7266 handlers, save/restore fpscr, but don't do any other
7267 interrupt-specific saves.
7268 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7269 Fix check for partially saved registers to check for SHmedia.
7270 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7271 (sh_output_function_epilogue): Don't clear any of the removed
7273 (sh_insert_attributes): Don't check pragma_interrupt.
7274 Insert deferred attributes. Check that interrupt attribute is
7275 present for other attributes that require its presence.
7276 (sh_attribute_table): Add new attributes trapa_handler and
7278 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7279 Don't check for pragma_interrupt. Don't store argument.
7280 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7281 (sh_deferred_function_attributes): Declare.
7282 (sh_deferred_function_attributes_tail): Likewise.
7283 * sh.md (sp_switch_1): Add operand. Change generator caller.
7284 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7285 (*return_i): Don't use when trap_exit attribute is in effect.
7286 (*return_trapa): New insn pattern.
7288 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7289 setting c_target_objs and cxx_target_objs.
7290 * t-sh: Add rule for sh-c.o.
7292 2006-01-30 Richard Guenther <rguenther@suse.de>
7295 * gimplify.c (gimplify_target_expr): Handle easy cases
7296 without creating a temporary.
7298 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7300 * vec.h (safe_grow): Remove duplicated line.
7302 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7305 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7306 (expand_omp): ... here.
7307 (expand_omp_parallel): Only remove barriers for combined
7308 parallel+workshare constructs.
7310 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7314 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7315 * tree.c (build_qualified_type): Chain the new type to the original
7316 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7317 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7318 (build_pointer_type_for_mode): Only return unqualified types.
7319 (build_reference_type_for_mode): Likewise.
7321 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7323 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7324 * Makefile.in (CXX_COMPAT_WARN): Define.
7325 * configure: Regenerate.
7327 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7330 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7333 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7335 * toplev.c: Fix thinko.
7337 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7338 Marcin Dalecki <martin@dalecki.de>
7340 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7341 (push_srcloc): Use XNEW.
7342 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7344 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7346 * df-core.c (df_set_blocks): Deleted all variable.
7348 2006-01-28 Ian Lance Taylor <ian@airs.com>
7350 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7351 cgraph_output_pending_asms.
7353 2006-01-28 Zack Weinberg <zackw@panix.com>
7355 * c.opt: Add -W(no-)overlength-strings.
7356 * doc/invoke.texi: Document it.
7357 * c-opts.c (c_common_handle_option): -pedantic implies
7358 -Woverlength-strings, if not explicitly disabled already.
7359 (c_common_post_options): -Woverlength-strings defaults to off, and
7360 is always off for C++.
7361 * c-common.c (fix_string_type): Issue warning about strings longer
7362 than is portable only if warn_overlength_strings. Rearrange code
7363 a little for clarity.
7364 * configure.in: Check for -Wno-overlength-strings as well before
7365 enabling -pedantic in stage 1.
7366 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7367 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7369 * genconditions.c (write_header, write_one_condition)
7370 (write_conditions, write_writer): Consolidate very long strings
7371 that were broken up to fit in C89 portable limit. Don't use
7372 printf when fputs will do.
7374 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7376 * combine.c (simplify_comparison <AND>): Check
7377 TRULY_NOOP_TRUNCATION before start using a subreg.
7379 * config/mips/mips.md (*branch_zero<mode>,
7380 *branch_zero<mode>_inverted, *branch_equality<mode>,
7381 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7382 Remove mode check from comparisons.
7384 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7386 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7388 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7390 * expmed.c (const_mult_add_overflow_p): Remove.
7391 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7393 * recog.c (validate_replace_rtx_subexp): Remove.
7394 * recog.h: Remove the prototype for
7395 validate_replace_rtx_subexp.
7397 * integrate.h: Remove the prototype for
7398 copy_decl_for_inlining.
7399 * rtl.h: Remove the prototype for mark_constant_function.
7400 * tree-vectorizer.h: Remove the prototype for
7401 vect_strip_conversion.
7403 * modulo-sched.c (create_partial_schedule,
7404 free_partial_schedule, reset_partial_schedule): Make them
7407 * hooks.c (hook_bool_rtx_int_false): Remove.
7408 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7410 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7412 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7413 and -mlong-double-128 are incompatible.
7414 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7415 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7416 (TARGET_LIBGCC2_CFLAGS): Define.
7417 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7418 (TARGET_LIBGCC2_CFLAGS): Same.
7419 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7421 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7424 * c-typeck.c (build_binary_op): Perform implicit casts of
7425 operands before shortening them.
7427 * cfgloopmanip.c (split_loop_bb): Remove.
7428 * cfgloop.h: Remove the prototype for split_loop_bb.
7430 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7431 * cfgloop.h: Remove the prototype for
7432 flow_loop_outside_edge_p.
7434 * emit-rtl.c (init_virtual_regs): Make it static.
7435 * function.h: Remove the prototype for init_virtual_regs.
7437 * recog.c (peephole2_optimize): Make it static.
7438 * recog.h: Remove the prototype for peephole2_optimize.
7440 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7442 * df-scan.c (df_record_entry_block_defs): Check if
7443 INCOMING_RETURN_ADDR_RTX is defined.
7445 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7446 Kenneth Zadeck <zadeck@naturalbridge.com>
7448 PR rtl-optimization/24762
7449 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7450 * targhooks.c (hook_void_bitmap): New hook prototype.
7451 * targhoohs.h (hook_void_bitmap): Ditto.
7452 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7453 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7454 * target.h (live_on_entry): New function pointer.
7455 * df-scan.c (df_all_hard_regs): Removed.
7456 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7457 (df_scan_free_internal): Added df->entry_block_defs.
7458 (df_scan_alloc): Ditto.
7459 (df_scan_dump): Ditto.
7460 (df_uses_record): Plumbed flag field properly thru calls.
7461 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7462 This part fixes PR24762.
7463 (df_bb_refs_record): Added code to make the frame and arg
7464 pointers live in EH blocks.
7465 (df_refs_record): Added call to df_record_entry_block_defs.
7466 (df_record_entry_block_defs): New function.
7467 * df-core.c: Added comments to describe new artifical defs.
7468 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7469 (entry_block_defs): New field in struct df.
7470 (df_all_hard_regs): Deleted.
7471 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7472 * df-problems.c (df_ru_bb_local_compute_process_def):
7473 Added code to handle artifical defs in the entry to a function.
7474 (df_ru_bb_local_compute): Ditto.
7475 (df_rd_bb_local_compute_process_def): Ditto.
7476 (df_rd_bb_local_compute): Ditto.
7477 (df_lr_bb_local_compute): Ditto.
7478 (df_ur_bb_local_compute): Ditto.
7479 (df_urec_bb_local_compute): Ditto.
7480 (df_chain_create_bb): Ditto.
7481 (df_ur_local_finalize): Removed entry.
7482 (df_urec_init): Ditto.
7483 (df_urec_local_finalize): Ditto.
7484 (df_ri_bb_compute): Added detection of last use of pseudos.
7485 * Makefile.in (df-scan.o): Updated dependencies.
7486 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7487 * config/mips/mips.c (mips_set_live_on_entry): Added.
7488 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7490 * dce.c (marked_insn_p): Added code to handle artifical defs.
7492 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7494 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7496 (_mm_cvtsi128_si64): Likewise.
7497 (_mm_cvtsd_si64): Likewise.
7498 (_mm_cvttsd_si64): Likewise.
7499 (_mm_cvtsi64_sd): Likewise.
7500 (_mm_cvtsi64_si128): Likewise.
7501 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7502 (_mm_cvtsi64_m64): Likewise.
7503 (_m_to_int64): Likewise.
7504 (_mm_cvtm64_si64): Likewise.
7505 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7506 (_mm_cvttss_si64): Likewise.
7507 (_mm_cvtsi64_ss): Likewise.
7508 (_mm_cvtss_f32): Likewise.
7510 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7512 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7513 for pragma redefine_extname.
7515 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7518 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7519 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7520 -mno-minimal-toc to previous content.
7521 (bispecs): Remove goal.
7522 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7523 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7524 compatibility aliases on powerpc-*-*gnu*.
7525 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7526 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7527 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7528 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7529 (ldblspecs): New goal.
7530 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7531 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7533 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7534 L_sf_to_tf or L_df_to_tf is defined.
7536 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7537 Alan Modra <amodra@bigpond.net.au>
7540 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7541 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7542 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7543 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7544 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7545 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7546 (rs6000_override_options): Initialize rs6000_ieeequad.
7547 Initialize TFmode format to ibm_extended_format if not
7549 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7551 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7552 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7553 (function_arg_advance): IBM long double passed in two FPRs, not
7555 (function_arg): IBM long double passed in FPRs.
7556 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7557 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7558 Only multireg GPR aligned.
7559 (rs6000_init_libfuncs): Enable IBM long double functions if not
7561 (rs6000_generate_compare): Use IBM long double compare if not
7563 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7564 (TARGET_IEEEQUAD): Define.
7565 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7566 not TARGET_IEEEQUAD.
7567 * config/rs6000/rs6000.md: Enable TFmode patterns if
7569 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7570 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7571 and -mlong-double-128 are incompatible.
7572 * doc/invoke.texi (-mabi): Collect options together. Add
7573 ibmlongdouble and ieeelongdouble.
7575 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7577 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7579 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7580 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7581 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7582 * rtl.h (rtunion_def): Remove rt_ptr.
7584 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7585 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7586 * config/i386/winnt.c (i386_pe_mark_dllexport)
7587 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7589 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7591 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7593 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7597 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7598 pthread_key_delete. From John David Anglin. gthrw-ify
7599 pthread_getunique_np only if it it's not a macro. Delete
7601 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7602 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7603 __gthread_objc_condition_signal, __gthread_key_delete): Add
7604 "__attribute__ ((__unused__))" to unused arguments.
7605 (__gthread_recursive_mutex_init_function): Add missing return.
7606 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7607 gthr-posix95.h: Use macro-based approach for name redirection
7608 on targets missing weakref.
7610 2006-01-26 Zack Weinberg <zackw@panix.com>
7612 * genconditions.c (write_header): In generated code, #ifdef out
7613 all includes and fake declarations, except includes of bconfig.h
7614 and system.h, unless GCC_VERSION >= 3001. Do not include
7615 gensupport.h in any case.
7616 (write_conditions): Generate a definition of struct c_test. Add
7617 a comment to the generated #endif.
7618 (write_one_condition): Escape backslashes in string too.
7619 (write_writer): Generated code must escape backslashes and quote
7620 marks (but not newlines) in the strings it writes.
7621 * Makefile.in (build/gencondmd.o): Update dependencies.
7623 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7626 * Makefile.in (insn-automata.o): Add header file dependencies.
7627 * genautomata.c: Add includes.
7629 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7632 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7634 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7636 * configure.ac: Expect target tools paths to be passed from the toplevel
7637 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7639 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7641 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7644 * c.opt (Wpointer-sign): Init to -1.
7645 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7646 OPT_pedantic, to 0 otherwise.
7647 * doc/invoke.texi: Update.
7649 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7651 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7652 constants provided by 80387 instructions in the destination mode.
7654 2006-01-26 Richard Guenther <rguenther@suse.de>
7655 Andrew Pinski <pinskia@physics.uc.edu>
7658 partial PR tree-opt/17064
7659 * tree-ssa-structalias.c (intra_create_variable_infos):
7660 Create heap variables for incoming parameters if
7661 flag_argument_noalias > 1.
7662 (find_what_p_points_to): Look through default defs of
7665 2006-01-26 Jeff Law <law@redhat.com>
7668 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7669 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7670 within the VR_RANGE, use the VR_RANGE as the result, not the
7672 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7673 bounds for the type.
7675 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7677 * tree-ssa-alias.c (maybe_create_global_var): Change
7678 subvar walking to an assertion that we don't have subvar'd variables.
7680 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7683 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7684 Use a new variable, inner. PARM_DECLs are always non-weak.
7686 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7688 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7691 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7693 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7695 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7697 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7698 (smax_insn, smin_insn, smax_0, smin_0): New.
7700 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7703 * config/cris/cris.c (cris_order_for_addsi3): New function.
7704 * config/cris/cris-protos.h: Prototype it.
7705 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7706 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7707 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7708 (split for "op.S1 [rx=rx+i],ry (swapped)")
7709 (split for "op(s|u).S1 [rx=rx+i],ry")
7710 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7711 Apply cris_order_for_addsi3 when generating addsi3 insns.
7713 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7715 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7716 (TREE_BLOCK): Add call to EXPR_CHECK.
7718 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7721 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7722 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7723 (dump_omp_clauses): ... here.
7724 (dump_generic_node): Handle OMP_CLAUSE.
7725 * tree.c (omp_clause_num_ops): New.
7726 (omp_clause_code_name): New.
7727 (tree_code_size): Handle OMP_CLAUSE.
7728 (tree_size): Likewise.
7729 (make_node): Document handling of OMP_CLAUSE.
7730 (tree_node_structure): Handle OMP_CLAUSE.
7731 (omp_clause_check_failed): New.
7732 (omp_clause_range_check_failed): New.
7733 (omp_clause_operand_check_failed): New.
7734 (build_omp_clause): New.
7735 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7736 * tree.h (enum omp_clause_code): Declare.
7737 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7738 (OMP_CLAUSE_RANGE_CHECK): Define.
7739 (OMP_CLAUSE_ELT_CHECK): Define.
7740 (omp_clause_check_failed): Declare.
7741 (omp_clause_operand_check_failed): Declare.
7742 (omp_clause_range_check_failed): Declare.
7743 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7744 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7745 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7746 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7747 (OMP_CLAUSE_IF_EXPR): Likewise.
7748 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7749 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7750 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7751 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7752 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7753 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7754 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7755 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7756 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7757 (OMP_CLAUSE_CODE): Define.
7758 (OMP_CLAUSE_SET_CODE): Define.
7759 (OMP_CLAUSE_CODE): Define.
7760 (OMP_CLAUSE_OPERAND): Define.
7761 (struct tree_omp_clause): Declare.
7762 (union tree_node): Add field 'omp_clause'.
7763 * treestruct.def (TS_OMP_CLAUSE): Define.
7764 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7765 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7766 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7767 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7768 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7769 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7770 (OMP_CLAUSE): Define.
7771 * print-tree.c (print_node): Handle OMP_CLAUSE.
7772 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7773 * c-typeck.c: Likewise.
7774 * gimplify.c: Likewise.
7775 * c-omp.c: Likewise.
7776 * tree-nested.c: Likewise.
7777 * tree-inline.c: Likewise.
7778 * c-parser.c: Likewise.
7779 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7782 2006-01-25 Roger Sayle <roger@eyesopen.com>
7784 PR rtl-optimization/25703
7785 * combine.c (try_combine): Handle zero_extract and strict_low_part
7786 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7788 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7790 * global.c: Fix comment typos.
7792 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7795 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7796 Use output_addr_const instead of assemble_name.
7798 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7800 * Makefile.in (sched-vis.o): Update dependencies.
7801 * haifa-sched.c (sched_finish): Clear current_sched_info.
7802 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7803 (dump_flow_info): Call it.
7804 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7806 * basic-block.h (dump_bb_info): Declare.
7807 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7808 option, and apply options only for dump files whose TDF_RTL,
7809 TDF_TREE, or TDF_IPA bits match.
7810 * rtl.h: Declare new functions exported from sched-vis.c.
7811 * sched-vis.c: Enable also if scheduling is not used.
7812 (print_value): Print the mode of registers if not inside scheduling.
7813 (print_insn): Make it work outside the scheduler. Beautify the output
7815 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7817 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7819 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7820 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7821 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7822 depending on the value of CONSTANT_POOL_ADDRESS_P.
7823 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7825 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7826 rather than SYMBOL_REF_DECL.
7827 (rtx_constant_pool): Remove const_rtx_sym_htab.
7828 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7829 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7830 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7831 Remove handling of const_rtx_sym_htab.
7832 (find_pool_constant): Delete.
7833 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7834 rather than find_pool_constant.
7835 (get_pool_constant_for_function): Delete.
7836 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7838 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7839 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7840 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7841 (SYMBOL_REF_CONSTANT): New macro.
7842 (get_pool_constant_for_function): Delete.
7843 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7844 rather than SYMBOL_REF_DECL.
7845 (i386_pe_mark_dllimport): Likewise.
7846 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7847 rather than SYMBOL_REF_DECL.
7848 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7849 (machopic_indirect_call_target): Likewise.
7851 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7853 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7855 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7857 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7859 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7861 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7863 2006-01-24 David Daney <ddaney@avtrex.com>
7866 * configure.ac (enable_tls): New enable option.
7867 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7868 * configure: Regenerate.
7869 * doc/install.texi (--enable-tls): Document new option.
7870 (--disable-tls): Ditto.
7872 2006-01-24 Richard Henderson <rth@redehat.com>
7874 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7875 * alias.c (true_dependence): Respect it.
7876 (canon_true_dependence, write_dependence_p): Likewise.
7877 * builtins.c (get_builtin_sync_mem): Set it.
7879 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7881 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7884 2006-01-24 DJ Delorie <dj@redhat.com>
7886 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7887 for storing constants in single-bit bitfields.
7889 2006-01-25 Ben Elliston <bje@au.ibm.com>
7891 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7893 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7896 * tree-ssa-pre.c (phi_translate): Return NULL
7897 for AGGREGATE_TYPE's.
7899 2006-01-24 Zack Weinberg <zackw@panix.com>
7901 * genautomata.c (process_state_for_insn_equiv_partition):
7902 Use xcalloc for insn_arcs_array.
7903 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7904 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7906 2006-01-24 Richard Henderson <rth@redhat.com>
7908 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7911 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7913 PR rtl-optimization/25890
7914 PR rtl-optimization/25905
7915 * combine.c (expand_compound_operation, expand_field_assignment):
7916 Fail if the bitfield's final position is out of bounds.
7918 2006-01-24 Ian Lance Taylor <ian@airs.com>
7921 * cgraphunit.c (cgraph_output_in_order): Don't clear
7922 cgraph_asm_nodes until after asm strings have been output.
7924 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7926 * fix-header.c (read_scan_file): Add new parameter imultilib when
7927 calling register_include_chains.
7929 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7931 * omp-low.c: Update documentation.
7933 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7934 Daniel Berlin <dberlin@dberlin.org>
7938 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7939 return from the function.
7941 2006-01-22 Zack Weinberg <zackw@panix.com>
7943 * rtl.def (match_code): Add second argument.
7944 * genpreds.c (write_extract_subexp): New function.
7945 (write_match_code): Add path argument. Use write_extract_subexp.
7946 (write_predicate_expr): Pass path to write_match_code.
7947 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7948 not perform a mode test.
7949 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7950 a subexpression does not constrain the top-level code set.
7951 * read-rtl.c (read_rtx_variadic): New function.
7952 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7953 * doc/md.texi: Document new notation.
7954 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7955 (cmpsi_operand): ... here, using new notation.
7957 2006-01-22 Zack Weinberg <zackw@panix.com>
7959 * varray.c: Remove GENERATOR_FILE #ifdefs.
7961 2006-01-22 Zack Weinberg <zackw@panix.com>
7963 * genautomata.c (output_reserved_units_table): Emit nothing if
7964 description->query_units_num is zero. Remove extra blank line.
7965 (output_cpu_unit_reservation_p): Short circuit
7966 if description->query_units_num is zero.
7968 2006-01-22 Zack Weinberg <zackw@panix.com>
7970 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7971 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7972 nor any of the random handful of variables that used to be necessary
7973 when this program was linked with rtlanal.o. Prune set of forward
7974 function declarations.
7975 (struct attr_desc): Remove static_p field.
7976 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7977 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7978 (attr_string): Do not read the character one past the length of
7980 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7981 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7982 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7983 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7984 (make_automaton_attrs): New.
7985 (main): Do not call into genautomata. Call local gen_bypass
7986 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7987 Remove special case for insn_alts.
7988 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7989 varray.h (leftover from previous change). Prune set of forward
7990 function declarations. Remove state_alts fields from all
7991 structures. Remove state_alts_table from struct automaton.
7992 Make everything except main static. Do not maintain num_dfa_decls.
7993 Do not maintain state_alts fields of various structures.
7994 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7995 (add_arc): Remove state_alts argument. All callers updated.
7996 (output_reserved_units_table): Emit #ifdef here...
7997 (output_tables): ...not here. Don't generate state_alts tables.
7998 (expand_automata): Don't generate attributes.
7999 (write_automata): Don't generate state_alts functions.
8000 (main): New function.
8001 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8002 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8003 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8004 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8005 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8006 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8007 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8008 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8010 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8011 * genattrtab.h: Delete file.
8012 * Makefile.in (OBJS-common): Add insn-automata.o.
8013 (insn-automata.o): New rule.
8014 (simple_generated_c): Add insn-automata.c.
8015 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8016 (genprogmd): Add automata.
8017 (build/genattrtab): Needs no extra objects nor libraries.
8018 (build/genautomata): Needs build/vec.o and -lm.
8020 2006-01-22 Zack Weinberg <zackw@panix.com>
8022 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8023 (output_dfa_max_issue_rate, locked_states_num): Delete.
8024 (struct automaton): Add locked_states field.
8025 (output_dead_lock_vect): Save number of locked states in
8026 automaton->locked_states. If it is zero, don't print anything.
8027 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8028 (output_internal_dead_lock_func): Only test the dead_lock_vect
8029 for automata that have locked states.
8030 (output_statistics): Always print the number of locked states for
8031 each automaton. Calculate total number of locked states here.
8032 (write_automata): Don't call output_dfa_max_issue_rate.
8033 * genattrtab.c: Define length_unit_log as a const variable.
8034 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8035 max_insn_queue_index const.
8036 * final.c (length_unit_log): Declare const.
8037 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8039 2006-01-22 Zack Weinberg <zackw@panix.com>
8041 * genautomata.c: Include vec.h, not varray.h.
8042 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8043 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8044 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8045 VEC_* macros operating on appropriately typed vectors, or to
8046 malloced arrays when the size is known in advance. Const-ify
8047 many char* variables and function arguments. No functional changes.
8048 * Makefile.in (build/varray.o): Delete rule.
8049 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8050 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8052 2006-01-22 Zack Weinberg <zackw@panix.com>
8054 * gensupport.c: Define get_insn_name and record_insn_name here.
8055 (read_md_rtx): Call record_insn_name as appropriate.
8056 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8057 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8058 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8060 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8061 (BUILD_VARRAY): Delete.
8062 (genprognormal): Rename genprogmd. Fold in all programs from
8063 genprognoprint; also attrtab.
8064 (build/genattrtab): Just mention genautomata.o and varray.o.
8065 Reorganize a bit, add comments to make the categories clearer.
8067 2006-01-22 Zack Weinberg <zackw@panix.com>
8069 * genconditions.c (condition_table, add_condition): Delete.
8070 (write_conditions): Don't emit n_insn_conditions nor
8071 insn_elision_unavailable. Issue the gcc version #ifdef here,
8072 inside the table, with no #else clause ...
8073 (write_header): ...not here.
8074 (write_writer): New function.
8075 (main): Don't initialize condition_table. Use add_c_test.
8077 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8078 files on the command line.
8079 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8080 Return -1 if there is no entry in the table, don't abort.
8081 (add_c_test, traverse_c_tests): New functions.
8082 * gensupport.h (insn_elision_unavailable, insn_conditions)
8083 (n_insn_conditions): Delete declarations.
8084 (add_c_test, traverse_c_tests): Declare.
8085 * read-rtl.c: Include gensupport.h.
8086 (read_conditions): New function.
8087 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8088 (read_rtx_1): If we get EOF when we were looking for an initial
8089 open paren, return 0. Call read_conditions when appropriate.
8090 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8091 dummy-conditions.o. Eliminate references to insn-conditions.o,
8092 or change them to build/gencondmd.o, as appropriate. Remove
8093 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8094 from $(simple_generated_c). For all files remaining in those
8095 two lists, add insn-conditions.md to the generator command line.
8096 Give insn-constants.h/s-constants their own rules. Add rules
8097 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8098 (build/read-rtl.o): Depend on gensupport.h.
8099 (genprognormal): Include preds.
8100 (genprogearly): Rename genprognoprint; only difference is now that
8101 they don't link with $(BUILD_PRINT).
8102 * dummy-conditions.c: Delete.
8104 2006-01-22 Zack Weinberg <zackw@panix.com>
8106 * genextract.c: Don't include insn-config.h. Do include vec.h.
8107 Declare vectors of int, char, and locstr.
8108 (locstr): New typedef.
8109 (struct extraction): Make all array fields into bare pointers.
8110 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8111 (insn_code_number): Delete.
8112 (accum_extract): New struct.
8113 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8114 (gen_insn): Take insn_code_number as an argument. Use an
8115 accum_extract structure instead of loading data directly into
8116 a struct extraction, and having to know how big it might get.
8117 (walk_rtx): Operate entirely on an accum_extract structure.
8118 (print_path): Avoid unnecessary use of printf.
8119 (print_header): New function, split out of main. Distinguish
8120 more carefully between an unrecognizable insn and an insn that
8121 has the code number of a define_expand.
8122 (main): Pass insn_code_number to gen_insn. Call print_header
8123 only after parsing. Avoid unnecessary use of printf.
8124 * Makefile.in (build/vec.o): New rule.
8125 (build/genextract): Depend on build/vec.o.
8126 (build/genextract.o): Don't depend on insn-config.h.
8128 2006-01-22 Zack Weinberg <zackw@panix.com>
8130 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8131 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8132 practical. Eliminate per-generator-program link rules.
8134 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8137 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8138 with a call expr to ...
8139 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8141 2006-01-23 Richard Guenther <rguenther@suse.de>
8143 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8144 before make_edge with conditional EDGE_TRUE_VALUE.
8146 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8147 Jan Hubicka <jh@suse.cz>
8148 Richard Guenther <rguenther@suse.de>
8150 PR rtl-optimization/25654
8151 * cfgexpand.c (aggregate_contains_union_type): New function.
8152 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8153 for structure variables that contain a union type.
8155 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8157 * gengtype.c (new_structure): Return the structure.
8158 (create_option): Add an extra "next" argument.
8159 (create_field): New function.
8160 (adjust_field_rtx_def): Use create_option and create_field.
8161 Remove a now-unnecessary call to find_structure.
8162 (adjust_field_tree_def): Likewise.
8163 (note_yacc_type): Remove an unnecessary call to find_structure.
8164 * gengtype.h (new_structure): Return the structure.
8165 (create_option): Add an extra argument.
8166 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8167 (option): Adjust calls to create_option.
8169 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8171 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8173 2006-01-22 Paul Brook <paul@codesourcery.com>
8174 Peter Barada <peter@the-baradas.com>
8176 * config/m68k/m68k.md: Add Coldfire FPU support.
8177 Define FP mode macro and associated attributes.
8178 Use it for float mode patterns.
8179 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8180 (LIBCALL_VALUE): Use m68k_libcall_value.
8181 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8182 (m68k_function_value): Ditto.
8183 (emit_move_sequence): Ditto.
8184 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8185 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8186 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8187 (MULTILIB_EXCEPTIONS): Ditto.
8188 * config/m68k/m68k.opt: Add mcfv4e.
8189 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8190 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8191 (m68k_output_function_prologue): Save ColdFire FPU registers.
8192 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8193 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8194 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8195 ColdFire FPU registers.
8196 (m68k_libcall_value, m68k_function_value): New functions.
8197 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8198 (LIBCALL_VALUE): Use m68k_libcall_value.
8199 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8200 (MASK_COLDFIRE): Add MASK_CFV4E.
8201 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8202 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8203 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8204 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8205 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8206 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8207 * doc/invoke.tex: Document -mcfv4e on m68k.
8209 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8211 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8214 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8217 * c-opts.c (c_common_handle_option): Don't include
8218 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8219 * doc/invoke.texi (C++ Dialect Options): Document that
8220 -Wnon-virtual-dtor is no longer included in -Wall.
8222 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8224 * gcov.c (print_version), gcov-dump.c (print_version),
8225 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8228 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8230 * df-scan.c (problem_SCAN): Added NULL reset function.
8231 (df_scan_reset_blocks): Added code to call reset block function
8232 (df_bb_refs_delete) Fixed comment.
8233 (df_insn_refs_delete): Made tolerant of deleting non existent info
8234 for dataflow problems that need to be reset.
8235 * df-core.c (df_set_blocks): Ditto.
8236 * df.h (struct df_problem): Added reset_fun.
8237 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8238 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8239 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8240 functions to clear out all references to def-use or use-def chains.
8242 2006-01-21 Ben Elliston <bje@au.ibm.com>
8244 * varasm.c (assemble_real): Initialise data array.
8246 2006-01-20 Paul Brook <paul@codesourcery.com>
8248 Merge from csl-arm-branch.
8249 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8250 * config/arm/arm.md (movdi): Force operands[1] to a register
8251 if we have a non-register source.
8252 (*arm_movdi, *movdf_soft_insn): Require that one of the
8253 operands be a register.
8254 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8255 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8257 2006-01-20 DJ Delorie <dj@redhat.com>
8259 * varasm.c (initialize_constant_valid_p): Allow pointers
8260 initialized from integer constants of lesser precision.
8261 (output_constant): Allow non-int-sized pointer modes to be
8262 initialized from integer constants.
8264 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8267 * cppdefault.h (struct default_include): Add multilib flag.
8268 * cppdefault.c (cpp_include_defaults): Set it.
8269 * c.opt (-imultilib): New option.
8270 * c-opts.c (imultilib): New.
8271 (c_common_handle_option): Handle -imultilib.
8272 (c_common_post_options): Likewise.
8273 * c-incpath.c (add_standard_paths, register_include_chains):
8275 * c-incpath.h (register_include_chains): Add extra parameter.
8276 * gcc.c (do_spec_1): Generate -imultilib option.
8277 (The Specs Language): Update %I description.
8278 (process_command): Update copyright notice.
8279 * doc/cppopts.texi (-imultilib): Document.
8280 * doc/invoke.texi (-imultilib): Include in option summary.
8281 (%I): Update specs documentation.
8283 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8285 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8287 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8289 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8292 2006-01-20 Richard Guenther <rguenther@suse.de>
8293 Steven Bosscher <stevenb.gcc@gmail.com>
8295 PR rtl-optimization/24626
8296 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8297 EDGE_TRUE_VALUE if in RTL mode.
8300 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8301 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8303 2006-01-20 Dirk Mueller <dmueller@suse.com>
8306 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8307 instead of a special NOP marker.
8308 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8309 NOP marker handling.
8310 * c-common.h (empty_body_warning): Add forward declaration.
8311 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8312 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8314 2006-01-20 Paul Brook <paul@codesourcery.com>
8316 * Makefile.in (lang_checks): Keep going if mkdir fails.
8318 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8320 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8321 be able to clean out basic block when not necessary.
8322 (df_scan_free): Fixed to properly delete information if df is
8323 unused before calling df_finish.
8324 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8325 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8327 (df_bb_refs_delete): New function.
8328 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8329 * df-core.c (df_set_blocks): Added code to properly clean out
8330 unused blocks if they are not part of the blocks to consider.
8331 Added additional null check.
8332 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8333 be able to clean out basic block when not necessary
8334 * df.h (df_free_bb_function): Ditto.
8335 (df_bb_refs_delete): New function.
8336 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8337 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8338 basic block parameter to be able to clean out basic block when not
8340 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8341 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8342 Fixed to properly delete information if df is unused before
8345 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8347 PR rtl-optimization/25799
8348 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8349 Corrected confluence operator to remove bits from op2 before oring
8350 with op1 rather than removing bits from op1.
8351 (df_ru_transfer_function): Corrected test on wrong bitmap which
8352 caused infinite loop. Both of these problems were introduced in
8353 the dataflow rewrite.
8355 2006-01-19 DJ Delorie <dj@redhat.com>
8357 * reload1.c (find_reload_regs): Note the details of reload
8358 failures in the dump file.
8359 (spill_failure): Likewise.
8361 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8363 * loop-iv.c: Include df.h and hashtab.h.
8364 (enum iv_grd_result): New enum.
8365 (DF_REF_IV, DF_REF_IV_SET): New macros.
8366 (struct biv_entry): New.
8367 (df, bivs): New global variables.
8368 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8369 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8371 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8372 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8373 analyzed_for_bivness_p, record_biv): New functions.
8374 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8375 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8376 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8378 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8380 (iv_number_of_iterations): Use new interface to iv analysis.
8381 * loop-unroll.c: Do not include varray.h.
8382 (analyze_iv_to_split_insn): Use new interface to iv
8384 * loop-unswitch.c (may_unswitch_on): Ditto.
8385 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8387 (df_bb_modify): Realloc tables to the new index.
8388 (df_find_use): New function.
8389 * df.h (df_find_use): Declare.
8390 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8392 * cfgloop.h (struct rtx_iv): Remove analysed field.
8393 (iv_get_reaching_def): Removed.
8394 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8395 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8396 (loop-iv.o): Add df.h and hashtab.h dependency.
8397 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8399 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8402 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8404 (__floatundisf, __floatundidf): Likewise.
8405 * libgcc2.h (IS_IBM_EXTENDED): Define.
8407 2006-01-19 DJ Delorie <dj@redhat.com>
8409 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8411 2006-01-19 Paul Brook <paul@codesourcery.com>
8413 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8414 as nothrow when unwinding tables are disabled.
8416 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8419 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8420 of bit-field" when in system header.
8422 2006-01-19 DJ Delorie <dj@redhat.com>
8424 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8425 the 16 bit shift limit of the m16c.
8427 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8430 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8431 * config/i386/i386.c (output_set_got): Output the label if we have one
8432 for the TARGET_DEEP_BRANCH_PREDICTION case.
8434 2006-01-19 Jan Hubicka <jh@suse.cz>
8435 H.J. Lu <hongjiu.lu@intel.com>
8436 Evandro Menezes <evandro.menezes@amd.com>
8438 * invoke.texi (generic): Document
8440 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8441 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8442 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8443 (x86_use_incdec, x86_pad_returns): New variables
8444 (TARGET_CPU_DEFAULT_generic): New constant
8445 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8446 (enum processor_type): Add generic32 and generic64.
8447 * i386.md (cpu attribute): Add generic32/generic64
8448 (movhi splitter): Behave sanely when both partial_reg_dependency and
8449 partial_reg_stall are set.
8450 (K8 splitters): Enable for generic as well.
8451 * predicates.md (incdec_operand): Use TARGET_INCDEC
8452 (aligned_operand): Avoid memory mismatch stalls.
8453 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8454 * ppro.md: Enable for generic32
8455 * i386.c (generic64_cost, generic32_cost): New.
8456 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8457 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8458 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8459 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8460 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8461 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8462 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8463 x86_accumulate_outgoing_args, x86_prologue_using_move,
8464 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8465 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8467 (x86_use_incdec, x86_pad_returns): New.
8468 (override_options): Add generic32 and generic64, translate "generic"
8469 to generic32/generic64 and "i686" to "generic32", refuse
8470 "generic32"/"generic64" as arch target.
8471 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8472 (ix86_reorg): Honor PAD_RETURNS.
8474 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8476 * tree-pretty-print.c (dump_generic_node): Handle
8477 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8478 * cgraph.c (cgraph_expand_queue): Rename from
8479 cgraph_analyze_queue. Update all users.
8480 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8481 cgraph_expand_queue.
8482 (cgraph_expand_all_functions): Likewise.
8483 (cgraph_finalize_pending_functions): Remove. Update callers.
8485 * tree.h (OMP_DIRECTIVE_P): Define.
8486 (OMP_PARALLEL_FN): Define.
8487 (OMP_PARALLEL_DATA_ARG): Define.
8488 (OMP_SECTIONS_SECTIONS): Define.
8489 * tree-pass.h (pass_expand_omp): Declare.
8490 * omp-low.c (struct omp_region): Declare.
8491 (struct omp_context): Remove fields 'parallel_type',
8492 'parallel_start_ix' and 'parallel_start_additional_args'.
8494 (struct omp_for_data): Rename from struct expand_omp_for_data.
8495 (omp_regions): New static variable.
8496 (root_omp_region): New static variable.
8497 (find_omp_clause): Make static.
8498 (is_in_combined_parallel_ctx): Remove.
8499 (is_combined_parallel): New.
8500 (extract_omp_for_data): Move earlier in the file.
8501 (workshare_safe_to_combine_p): New.
8502 (get_ws_args_for): New.
8503 (determine_parallel_type): Move earlier in the file.
8504 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8506 (omp_copy_decl): Likewise.
8507 (create_omp_child_function): Likewise.
8508 (lookup_omp_region): New.
8509 (dump_omp_region): New.
8510 (debug_omp_region): New.
8511 (debug_all_omp_regions): New.
8512 (new_omp_region): New.
8513 (scan_omp_parallel): If parallel_nesting_level > 1, the
8514 directive is nested within another parallel directive.
8515 Set OMP_PARALLEL_FN.
8516 (scan_omp_for): Do not try to handle combined parallel+for
8518 Remove FIXME comment.
8519 (scan_omp_nested): Remove.
8520 (scan_omp_1): Do not call scan_omp_nested when
8521 parallel_nesting_level is > 1.
8522 Do not change the DECL_CONTEXT of local variables found.
8523 (lookup_decl_in_outer_ctx): New.
8524 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8525 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8526 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8527 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8528 If CTX is nested, lookup VAR in the outer context when
8529 building copy assignment.
8530 (lower_send_clauses): Rename from expand_send_clauses.
8531 If CTX is nested, lookup VAR in the outer context when
8532 building copy assignments.
8533 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8534 If CTX is nested, lookup VAR in the outer context when
8535 building copy assignments.
8536 (expand_parallel_call): Rename from build_parallel_call.
8537 Handle combined parallel+workshare cases.
8538 Re-implement to emit code into the CFG.
8540 (expand_omp_parallel): Re-implement to emit code into the CFG.
8541 Call move_sese_region_to_fn to outline the sub-graph
8542 containing the parallel region.
8543 (expand_omp_for_1): Remove.
8544 (expand_omp_for_generic): Re-implement to emit code into the
8546 (expand_omp_for_static_nochunk): Likewise.
8547 (expand_omp_for_static_chunk): Likewise.
8548 (expand_omp_for): Likewise.
8549 (expand_omp_sections): Likewise.
8550 (remove_exit_barriers): New.
8551 (expand_omp_synch): New.
8553 (build_omp_regions_1): New.
8554 (build_omp_regions): New.
8555 (execute_expand_omp): New.
8556 (gate_expand_omp): New.
8557 (pass_expand_omp): Define.
8558 (lower_omp_sections): Rename from expand_omp_sections.
8559 Set OMP_SECTIONS_SECTIONS.
8560 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8561 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8562 (lower_omp_single): Rename from expand_omp_simple.
8563 (lower_omp_master): Rename from expand_omp_master.
8564 (lower_omp_ordered): Rename from expand_omp_ordered.
8565 (lower_omp_critical): Rename from expand_omp_critical.
8566 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8567 (lower_omp_for): Re-implement.
8568 (lower_omp_parallel): Re-implement.
8569 (lower_regimplify): Rename from expand_regimplify.
8570 (lower_omp_1): Rename from expand_omp_1.
8571 If there are syntax errors in the program, replace every
8572 OpenMP directive with NOP.
8573 Call lower_omp_* instead of expand_omp_*.
8574 (lower_omp): Rename from expand_omp.
8576 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8577 * tree-gimple.h (enum omp_parallel_type): Remove.
8578 (gimple_boolify): Declare extern.
8579 (find_omp_clause, determine_parallel_type): Remove.
8581 * gimple-low.c (lower_omp_directive): New.
8582 (lower_stmt): Call it.
8583 (record_vars_into): Move from ...
8584 (record_vars): ... here.
8585 Call record_vars_into with current_function_decl.
8587 * gimplify.c (struct gimplify_ctx): Remove fields
8588 combined_pre_p and combined_ctxp. Update users.
8589 (get_formal_tmp_var): Add documentation.
8590 (gimple_boolify): Make extern.
8591 (gimplify_expr_in_ctx): Remove. Update callers.
8592 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8593 will always be a BIND_EXPR.
8594 (gimplify_expr): Handle OMP_RETURN_EXPR.
8595 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8596 (OMP_PARALLEL): Add 3 operands.
8597 (OMP_SECTIONS): Add 1 operand.
8598 (OMP_RETURN_EXPR): Define.
8600 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8601 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8602 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8603 creating a circular free list.
8604 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8606 * tree-flow.h (move_sese_region_to_fn): Declare.
8607 (record_vars_into): Declare.
8608 * tree-cfg.c (make_omp_sections_edges): New.
8609 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8610 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8611 OMP_SECTIONS and OMP_SECTION.
8612 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8613 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8614 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8615 (gather_blocks_in_sese_region): New.
8616 (struct move_stmt_d): Declare.
8618 (move_block_to_fn): New.
8619 (move_sese_region_to_fn): New.
8621 * passes.c (init_optimization_passes): Schedule
8622 pass_expand_omp after pass_init_datastructures.
8624 * tree-ssa-operands.c (get_expr_operands): Handle
8625 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8626 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8628 2006-01-19 Jeff Law <law@redhat.com>
8630 * tree-vrp.c (extract_range_from_assert): Refine the result range
8631 if the variable referenced by the ASSERT_EXPR has a range and
8632 either the tentative result range or the previous range is a
8635 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8637 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8639 2006-01-19 Jan Hubicka <jh@suse.cz>
8641 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8643 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8645 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8646 (expand_compound_operation, expand_field_assignment): Fail if the
8647 bit lengths of an extract operation are out of range.
8648 (make_extraction): Compute wanted_inner_mode based on the position
8649 and length of the extraction. Make it extraction_mode for non-constant
8650 positions, and do not modify offset in that case. When generating a
8651 new MEM, use a mode that can hold the extraction while keeping correct
8652 alignment. Remove code that supported MEMs wrapped by USEs.
8653 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8655 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8657 * config/s390/s390.md ("Y", "y"): New mode attribute.
8658 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8659 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8660 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8661 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8662 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8663 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8664 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8665 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8666 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8667 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8668 "addsi3", "subsi3"): Insn patterns removed.
8669 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8670 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8671 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8672 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8673 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8674 "*sub<mode>3_cconly2"): New insn patterns.
8675 ("addsi3", "subsi3"): New expanders.
8677 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8679 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8680 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8681 existing STMT_VINFO_VECTYPE if available.
8682 (vect_mark_relevant): Add special handling for stmts that are
8683 marked as STMT_VINFO_IN_PATTERN_P.
8684 (vect_analyze_loop): Call vect_pattern_recog.
8685 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8686 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8688 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8689 (vect_recog_func_ptr): New function-pointer type.
8690 * tree-vect-patterns.c: New file.
8691 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8692 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8693 (vect_pattern_recog_1): New functions.
8694 (vect_pattern_recog_funcs): New array of function pointers.
8696 * tree-vectorizer.h (ternary_op): New enum value.
8697 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8698 declaration. Revised documentation. Removed redundant dump prints.
8699 Removed redundant argument. Added support for reduction patterns.
8700 (vectorizable_reduction): Added support for reduction patterns.
8701 (vect_transform_stmt): Added support for patterns.
8703 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8704 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8705 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8706 (expand_widen_pattern_expr): New function.
8707 (init_optabs): Initialize new optabs udot_prod_optab,
8709 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8710 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8711 (expand_widen_pattern_expr): New function declaration.
8712 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8714 * tree-inline.c (estimate_num_insns_1): Added cases for new
8715 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8716 * tree-pretty-print.c (dump_generic_node): Likewise.
8717 (op_prio): Likewise.
8718 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8719 * tree-ssa-operands.c (get_expr_operands): Added case for
8721 * tree-vect-patterns.c (widened_name_p): New function.
8722 (vect_recog_dot_prod_pattern): Added function implementation.
8723 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8724 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8725 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8726 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8728 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8729 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8730 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8731 (init_optabs): Initialize new optabs widen_ssum_optab,
8733 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8734 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8735 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8736 use instead of type of def.
8737 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8738 function implementation.
8739 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8740 widen_ssumv8hi): New.
8742 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8745 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8748 * c-decl.c (add_flexible_array_elts_to_size): New function.
8749 (finish_decl): Use it.
8751 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8753 * diagnostic.h: Include options.h.
8754 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8755 dependancies for diagnostic.h.
8756 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8758 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8760 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8761 (ssa_ro_call_cache_valid): Ditto.
8762 * tree-ssa-alias.c (sort_tags_by_id): New function.
8763 (init_transitive_clobber_worklist): Ditto.
8764 (add_to_worklist): Ditto.
8765 (mark_aliases_call_clobbered): Ditto.
8766 (compute_tag_properties): Ditto.
8767 (set_initial_properties): Ditto.
8768 (compute_call_clobbered): Ditto.
8769 (compute_may_aliases): Call compute_call_clobbered and grouping.
8770 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8771 (compute_flow_insensitive_aliasing): Grouping now happens in our
8773 (setup_pointers_and_addressables): Remove clobbering related code.
8774 (add_may_alias): Ditto.
8775 (replace_may_alias): Ditto.
8776 (get_nmt_for): Ditto.
8777 (create_global_var):
8778 (is_escape_site): Return an escape_type enumeration.
8779 * tree-flow-inline.h (is_call_clobbered): Global var does not
8780 imply call clobbered.
8781 (mark_call_clobbered): Take a reason for marking this. Remove
8782 marking of globalness, and cache invalidation.
8783 (clear_call_clobbered): Remove cache invalidation code.
8784 * tree-dfa.c (dump_variable): If details is on, dump the reason
8786 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8788 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8789 (struct var_ann_d): Ditto.
8790 (enum escape_type): New.
8791 (mark_call_clobbered): Adjust prototype.
8792 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8793 are never call clobbered.
8794 Record reasons for escaping.
8795 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8796 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8797 (ssa_ro_call_cache_valid): Ditto.
8798 (clobbered_v_may_defs): Ditto.
8799 (clobbered_vuses): Ditto.
8800 (ro_call_vuses): Ditto.
8801 (clobber_stats): New.
8802 (init_ssa_operands): Zero out clobber stats.
8803 (fini_ssa_operands): Print out clobber stats.
8804 (get_call_expr_operands): Pass callee fndecl to
8806 (add_call_clobber_ops): Remove use of cache.
8807 Add use of PURE_CONST information.
8808 (add_call_read_ops): Remove use of cache.
8809 Add use of static not_read information.
8811 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8813 Introduce TLS descriptors for i386 and x86_64.
8814 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8815 (TARGET_ANY_GNU_TLS): New macro.
8816 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8817 (struct machine_function): Add tls_descriptor_call_expanded_p.
8818 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8819 (ix86_current_function_calls_tls_descriptor): Likewise.
8820 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8821 (override_options): Introduce gnu2 tls dialect.
8822 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8824 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8826 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8827 (ix86_init_machine_status): Initialize new field.
8828 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8829 (ix86_tls_module_base): New.
8830 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8831 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8832 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8833 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8834 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8835 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8836 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8837 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8838 * config/i386/predicates.md (tls_modbase_operand): New.
8839 (tp_or_register_operand): New.
8841 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8843 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8844 (look_for_address_of): Ditto.
8845 (ipa_init): Walk the function decls.
8846 (static_execute): Don't set readonly on FUNCTION_DECL's.
8848 2006-01-18 Roger Sayle <roger@eyesopen.com>
8850 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8851 for shifts where the source and destination registers are different.
8853 2006-01-18 Paul Brook <paul@codesourcery.com>
8855 Merge from csl-arm-branch.
8856 2005-03-14 Julian Brown <julian@codesourcery.com>
8857 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8858 (aeabi_llsl): Likewise.
8859 (ashrdi3): Likewise.
8860 (aeabi_lasr): Likewise.
8861 (lshrdi3): Likewise.
8862 (aeabi_llsr): Likewise.
8863 2005-03-10 Julian Brown <julian@codesourcery.com>
8864 * config.gcc: Disable shared libgcc for SymbianOS.
8865 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8867 2006-01-18 DJ Delorie <dj@redhat.com>
8869 * c-pragma.c (handle_pragma_diagnostic): New.
8870 (init_pragma): Register it.
8871 * doc/extend.texi: Document it.
8873 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8874 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8875 (diagnostic_context): Add classify_diagnostic[].
8876 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8877 as errors if they're overridden to DK_WARNING.
8878 (diagnostic_initialize): Initialize classify_diagnostic[].
8879 (diagnostic_set_kind_override): New.
8880 (diagnostic_report_diagnostic): Check for kind changes.
8881 * opts.c (common_handle_option): Take lang_mask. Update callers.
8883 * common.opt (Werror=): New.
8884 * doc/invoke.texi: Document -Werror=*
8886 2006-01-18 Jeff Law <law@redhat.com>
8888 * tree-vrp.c (test_for_singularity): Correct test for new
8889 min limit. Use operand_equal_p rather than pointer equality
8890 for testing if new min/max values are equal.
8892 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8893 using range information until after propagation and folding.
8895 2006-01-18 Richard Henderson <rth@redhat.com>
8896 Aldy Hernandez <aldyh@redhat.com>
8897 Jakub Jelinek <jakub@redhat.com>
8898 Diego Novillo <dnovillo@redhat.com>
8900 * omp-low.c: New file.
8901 * c-omp.c: New file.
8903 2006-01-18 Richard Henderson <rth@redhat.com>
8904 Jakub Jelinek <jakub@redhat.com>
8905 Diego Novillo <dnovillo@redhat.com>
8907 * doc/invoke.texi: Document -fopenmp.
8908 * tree-dump.h (debug_function): Declare.
8909 * hooks.c (hook_bool_tree_bool_false): New function.
8910 (hook_tree_tree_null): Remove.
8911 (hook_tree_tree_tree_null): New.
8912 * hooks.h: Update to match.
8913 * tree-pretty-print.c (debug_tree_chain): New.
8914 (print_generic_expr): Handle TDF_CHAIN.
8915 (dump_generic_node): Handle BLOCK.
8916 Do not abort with incomplete SWITCH_EXPRs.
8917 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8918 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8919 print space after directive name.
8920 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8921 Handle OMP_MASTER and OMP_ORDERED.
8922 Handle printing of OMP_BODY just in one place, goto
8923 dump_omp_body in the rest of OMP_* nodes that have
8925 Don't handle clause nodes here. Update omp statements to
8926 use dump_omp_clauses.
8927 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8928 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8929 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8930 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8931 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8932 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8933 Adjust output for GOMP_PARALLEL.
8934 (dump_omp_clauses): New.
8935 (print_declaration): Dump DECL_VALUE_EXPR.
8936 (op_symbol_1): Split out of op_symbol.
8937 (dumping_stmts): Remove. Update all users.
8938 * cgraph.c (cgraph_analyze_queue): New.
8939 (cgraph_add_new_function): New.
8940 * cgraph.h (cgraph_analyze_queue): Declare.
8941 (cgraph_add_new_function): Declare.
8942 (cgraph_lower_function): Remove.
8943 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8944 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8945 and TYPE_P nodes in its default clause.
8946 (empty_body_p): New.
8947 (tree_range_check_failed): New.
8949 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8950 OMP_CLAUSE_REDUCTION_MERGE,
8951 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8952 OMP_CLAUSE_PRIVATE_DEBUG,
8953 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8954 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8955 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8956 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8957 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8958 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8959 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8960 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8961 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8962 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8963 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8964 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8965 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8966 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8967 (TREE_RANGE_CHECK): New.
8968 (empty_body_p): Declare.
8969 (enum omp_clause_default_kind): New.
8970 (build_string_literal): Declare.
8971 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8972 (build5_stat, build5): Declare.
8973 * tree-pass.h (TDF_CHAIN): Define.
8974 * tree-pass.h (PROP_gimple_lomp): Define.
8975 (pass_lower_omp): Declare.
8976 * diagnostic.h (debug_tree_chain): Declare.
8977 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8979 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8980 * builtins.c (build_string_literal): Make extern.
8981 * gcc.c (include_spec_function): New.
8982 (static_spec_functions): Add it.
8983 (main): Move load of libgomp.spec ...
8984 (LINK_COMMAND_SPEC): ... here.
8985 (link_gomp_spec): New.
8986 (static_specs): Include it.
8987 (LINK_COMMAND_SPEC): Add link_gomp.
8988 (GOMP_SELF_SPECS): New.
8989 (driver_self_specs): Include it.
8990 (switch_matches): Don't mark inline.
8991 (main): Load libgomp.spec.
8992 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8993 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8994 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8995 * tree-gimple.h (enum omp_parallel): Declare.
8996 (determine_parallel_type): Declare.
8997 (omp_firstprivatize_variable): Declare.
8998 (omp_reduction_init): Declare.
8999 (diagnose_omp_structured_block_errors): Declare.
9000 (struct walk_stmt_info): Add want_return_expr.
9001 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9002 (find_omp_clause): Declare.
9003 (insert_field_into_struct): Declare.
9004 (struct walk_stmt_info): Move from tree-nested.c
9005 (walk_stmts): Declare.
9006 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9008 * cgraphunit.c (cgraph_lower_function): Make static.
9009 (cgraph_finalize_pending_functions): New.
9010 (cgraph_finalize_function): Call it.
9011 (cgraph_finalize_compilation_unit): Likewise.
9012 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9013 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9014 (BT_FN_UINT_UINT): New.
9015 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9016 DEF_FUNCTION_TYPE_VAR_4): Document.
9017 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9018 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9019 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9020 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9021 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9022 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9023 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9024 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9025 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9026 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9027 into separate files.
9028 (DEF_GOMP_BUILTIN): New.
9029 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9030 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9031 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9032 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9033 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9034 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9035 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9036 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9037 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9038 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9039 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9040 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9041 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9042 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9043 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9044 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9045 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9046 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9047 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9048 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9049 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9050 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9051 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9052 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9053 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9054 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9055 * sync-builtins.def: New file, moved from builtins.def.
9056 * omp-builtins.def: New file, moved from builtins.def.
9057 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9058 * gimple-low.c (lower_function_body): Clear data.
9059 (lower_stmt): Do not handle COMPOUND_EXPR.
9060 Remove call to print_node_brief.
9061 * c-tree.h (c_finish_omp_clauses): New prototype.
9062 (C_DECL_THREADPRIVATE_P): Define.
9063 (lookup_name_no_remap, c_omp_remap_private): Remove
9064 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9065 (check_for_loop_decls): Update decl.
9066 (lookup_name_no_remap, c_omp_remap_private): Declare.
9067 (build_indirect_ref, build_modify_expr, pushdecl,
9068 pushdecl_top_level): Move to c-common.h.
9069 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9070 before the switch, but just in the 2 places that need it.
9071 * c-decl.c (diagnose_mismatched_decls): Do not check for
9072 mismatched thread-local attributes when OLDDECL is marked
9073 threadprivate and NEWDECL has no thread-local attributes.
9074 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9075 (c_gimple_diagnostics_recursively): Rename from
9076 c_warn_unused_result_recursively. Invoke
9077 diagnose_omp_structured_block_errors.
9078 (check_for_loop_decls): Return a singular decl found.
9079 * langhooks.c (lhd_omp_predetermined_sharing): Return
9080 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9081 (lhd_omp_firstprivatize_type_sizes): New.
9082 (lhd_omp_assignment): New.
9083 (lhd_omp_predetermined_sharing): New.
9084 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9085 (struct lang_hooks_for_types): Add
9086 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9087 omp_predetermined_sharing, omp_disregard_value_expr,
9088 omp_private_debug_clause, omp_clause_default_ctor,
9089 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9090 (c_finish_omp_clauses): New.
9091 (c_finish_bc_stmt): Diagnose break within omp for.
9092 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9093 (build_unary_op): Return error_mark after reporting
9095 (build_modify_expr): Likewise.
9096 * gimplify.c: Include optabs.h and pointer-set.h.
9097 (enum gimplify_omp_var_data): Declare.
9098 (struct gimplify_omp_ctx): Declare.
9099 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9101 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9102 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9103 (splay_tree_compare_decl_uid): New.
9104 (new_omp_context): New.
9105 (delete_omp_context): New.
9106 (gimple_add_tmp_var): Call omp_add_variable.
9107 (gimplify_bind_expr): Likewise.
9108 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9109 true, disregard DECL_VALUE_EXPR on the decl if any.
9110 (gimplify_expr_in_ctx): New.
9111 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9112 omp_add_variable, omp_notice_variable, omp_is_private
9113 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9114 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9115 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9116 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9117 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9118 gimplify_omp_atomic): New.
9119 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9120 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9121 OMP_CRITICAL and OMP_ATOMIC.
9122 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9123 * c-pragma.h (enum pragma_kind): Add
9124 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9125 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9126 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9127 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9128 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9129 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9130 PRAGMA_OMP_THREADPRIVATE.
9131 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9132 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9133 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9134 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9135 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9136 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9137 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9138 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9139 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9140 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9141 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9142 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9143 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9145 (struct nesting_info): Add field_map,
9146 suppress_expansion, debug_var_chain.
9147 (create_nesting_tree): Initialize them.
9148 (lookup_field_for_decl): Use field_map.
9149 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9150 (convert_local_omp_clauses): New.
9151 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9152 (walk_body): Split out of walk_function.
9153 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9154 (convert_nonlocal_reference): Handle omp statements.
9155 (convert_local_reference): Likewise.
9156 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9157 (unnest_nesting_tree): New.
9158 (lower_nested_functions): Call it.
9159 (insert_field_into_struct): Make extern.
9160 (struct walk_stmt_info): Move to tree-gimple.h.
9161 (walk_stmts): Make extern.
9162 * omp-builtins.def: New file.
9163 * tree-iterator.c (expr_only): Clarify comment.
9164 * c-common.h (pushdecl_top_level, pushdecl,
9165 build_modify_expr, build_indirect_ref,
9166 c_finish_omp_master, c_finish_omp_critical,
9167 c_finish_omp_ordered, c_finish_omp_barrier,
9168 c_finish_omp_atomic, c_finish_omp_flush,
9169 c_finish_omp_for, c_split_parallel_clauses,
9170 omp_clause_default_kind, c_omp_sharing_predetermined,
9171 c_omp_remap_decl): Declare.
9172 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9173 (OBJS-common): Add omp-low.o.
9174 (c-omp.o, omp-low.o): Add.
9175 (gimplify.o): Add dependency on $(OPTABS_H).
9176 (GTFILES): Add omp-low.c.
9177 (gt-stringpool.h): Add.
9178 * tree-cfg.c (set_bb_for_stmt): Do not update the
9179 block-to-labels map if we are currently expanding to RTL.
9180 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9182 Handle IDENTIFIER_NODE.
9183 (tree_verify_flow_info): Do not ICE when emitting error
9184 messages about invalid labels.
9185 (dump_function_to_file): Reset CFUN before emitting the body
9187 (debug_function): New.
9188 * passes.c (init_optimization_passes): Schedule
9190 * langhooks-def.h (lhd_omp_predetermined_sharing,
9191 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9193 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9194 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9195 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9196 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9197 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9198 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9199 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9200 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9201 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9202 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9203 (LANG_HOOK_DECLS): Use them.
9205 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9206 Richard Henderson <rth@redhat.com>
9207 Jakub Jelinek <jakub@redhat.com>
9208 Diego Novillo <dnovillo@redhat.com>
9210 * c-parser.c (pragma_omp_clause): Define.
9211 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9212 (c_parser_compound_statement): Likewise.
9213 (c_parser_statement): Likewise.
9214 (c_parser_pragma): Handle omp pragmas.
9215 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9216 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9217 (c_parser_omp_clause_name, check_no_duplicate_clause,
9218 c_parser_omp_variable_list,
9219 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9220 c_parser_omp_clause_copyprivate,
9221 c_parser_omp_clause_default,
9222 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9223 c_parser_omp_clause_lastprivate,
9224 c_parser_omp_clause_nowait,
9225 c_parser_omp_clause_num_threads,
9226 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9227 c_parser_omp_clause_reduction,
9228 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9229 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9230 c_parser_omp_atomic, c_parser_omp_barrier,
9231 c_parser_omp_critical, c_parser_omp_flush,
9232 c_parser_omp_for_loop, c_parser_omp_for,
9233 c_parser_omp_master, c_parser_omp_ordered,
9234 c_parser_omp_sections_scope, c_parser_omp_sections,
9235 c_parser_omp_parallel, c_parser_omp_single,
9236 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9237 * c-pragma.c (init_pragma): Do omp pragma registration here.
9238 * c.opt (fopenmp): New flag.
9240 2006-01-18 Eric Christopher <echristo@apple.com>
9242 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9243 * config/darwin.h (GOMP_SELF_SPECS): Define.
9245 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9247 * rtl.h: Remove the prototype for reg_alloc.
9249 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9252 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9253 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9254 sjlj and dwarf2 exception handling.
9255 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9256 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9257 * pa/pa.c (function_value): Treat complex and vector types as
9259 (function_arg): Likewise. Only pass scalar floats in the floating
9260 point argument registers.
9261 * pa/t-slibgcc-dwarf-ver: New file.
9262 * pa/t-slibgcc-sjlj-ver: New file.
9263 * pa/t-slibgcc-elf-ver: Delete file.
9265 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9267 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9268 unlikely_test_section_p test.
9270 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9272 * mode-switching.c (optimize_mode_switching): Make it static.
9273 * basic-block.h: Remove the prototype for
9274 optimize_mode_switching.
9276 * modulo-sched.c (sms_schedule): Make it static.
9277 * rtl.h: Remove the prototype for sms_schedule.
9279 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9280 * rtl.h: Remove the prototype for gcse_after_reload_main.
9282 * reg-stack.c (reg_to_stack): Make it static.
9283 * rtl.h: Remove the prototype for reg_to_stack.
9285 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9287 * rtl.h: Remove the prototypes for regrename_optimize and
9288 copyprop_hardreg_forward.
9290 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9292 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9293 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9294 Test against the appropriate null constant for the mode.
9295 If 'fixup_overlap' is true, swap the operands if they overlap.
9296 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9297 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9298 alpha_split_tmode_pair and adjust for above change.
9299 * config/alpha/alpha.md (movtf_internal): Adjust call to
9300 alpha_split_tfmode_pair and rely on it to swap the operands.
9301 (movti_internal): New insn and post-reload splitter.
9302 (movti): New expander.
9304 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9306 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9309 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9311 * rtlanal.c (global_reg_mentioned_p_1,
9312 global_reg_mentioned_p): Remove.
9313 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9315 * flow.c (initialize_uninitialized_subregs): Make it static.
9316 * rtl.h: Remove the prototype for
9317 initialize_uninitialized_subregs.
9319 * function.c (instantiate_virtual_regs): Make it static.
9320 * function.h: Remove the prototype for
9321 instantiate_virtual_regs.
9323 * regmove.c (regmove_optimize, combine_stack_adjustments):
9325 * rtl.h: Remove the prototypes for regmove_optimize and
9326 combine_stack_adjustments.
9328 2006-01-17 Roger Sayle <roger@eyesopen.com>
9330 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9331 (size_cost): Encode costs in bytes so that a reg-reg addition is
9332 equivalent to COSTS_N_INSNS(1).
9333 (override_options): Use the size_cost.branch_cost as the default
9334 ix86_branch_cost when optimizing for size.
9336 2006-01-18 Ben Elliston <bje@au.ibm.com>
9338 * Makefile.in (D32PBIT_FUNCS): New.
9339 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9340 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9341 D64PBIT_FUNCS and D128PBIT_FUNCS.
9342 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9343 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9345 (decnumber_dep): Define.
9346 * doc/libgcc.texi (Decimal float library routines): New node.
9347 * config/dfp-bit.h, config/dfp-bit.c: New files.
9349 2006-01-18 Ben Elliston <bje@au.ibm.com>
9351 * expr.c (emit_move_change_mode): Always adjust addresses, not
9352 just during reload. Copy replacements only during reload.
9353 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9354 emit_move_via_integer.
9356 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9358 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9359 instead of $(srcdir) and ${srcdir}.
9361 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9365 * arm.h (struct machine_function): Add pic_reg.
9366 * arm.c (arm_pic_register): Make unsigned.
9367 (arm_override_options): Only set arm_pic_register if
9368 TARGET_SINGLE_PIC_BASE.
9369 (use_return_insn): Only test for a pic register if it is fixed.
9370 (arm_compute_save_reg0_reg12_mask): Likewise.
9371 (thumb_compute_save_reg_mask): Likewise.
9372 (legitimate_pic_operand): Factor out some known invariants.
9373 (legitimize_pic_address): If we don't have a fixed pic register,
9374 then set up a pseudo in the function entry sequence. Handle the
9375 pic base being in a pseudo.
9376 (arm_load_pic_register): Handle the pic register being in a pseudo.
9377 (arm_expand_prologue): Only set up the pic register if it is fixed.
9378 (thumb_expand_prologue): Likewise.
9379 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9380 (pic_load_addr_based_insn): Likewise.
9381 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9384 2006-01-18 Ben Elliston <bje@au.ibm.com>
9386 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9387 decimal float modes for all floating point registers.
9389 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9390 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9392 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9395 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9396 even when the pointer is not NULL.
9398 2006-01-16 Ian Lance Taylor <ian@airs.com>
9400 * common.opt (ftoplevel-reorder): New option.
9401 * cgraph.c (cgraph_asm_nodes): New global variable.
9402 (cgraph_asm_last_node): New static variable.
9403 (cgraph_order): New global variable.
9404 (cgraph_create_node): Set new order field.
9405 (cgraph_varpool_node): Likewise.
9406 (decide_is_variable_needed): Return true if not
9407 flag_toplevel_reorder.
9408 (cgraph_add_asm_node): New function.
9409 * cgraph.h (struct cgraph_node): Add order field.
9410 (struct cgraph_varpool_node): Add order field.
9411 (struct cgraph_asm_node): Define.
9412 (cgraph_asm_nodes, cgraph_order): Declare.
9413 (cgraph_add_asm_node): Declare.
9414 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9416 (cgraph_varpool_assemble_pending_decls): Call it.
9417 (cgraph_output_pending_asms): New static function.
9418 (cgraph_finalize_compilation_unit): Call it.
9419 (struct cgraph_order_sort): Define.
9420 (cgraph_output_in_order): New static function.
9421 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9422 !flag_toplevel_reorder case.
9423 * c-parser.c: Include "cgraph.h".
9424 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9426 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9427 than -fno-unit-at-a-time.
9428 * doc/invoke.texi (Option Summary): Mention
9429 -fno-toplevel-reorder.
9430 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9431 -funit-at-a-time documentation.
9433 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9434 Kazu Hirata <kazu@codesourcery.com>
9436 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9438 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9440 * Makefile.in (FUNCTION_H): New. Use it instead of
9441 function.h throughout the file.
9442 * function.h: Include tree.h.
9444 2006-01-17 Ben Elliston <bje@au.ibm.com>
9446 * recog.c: Separate some functions with whitespace.
9448 2006-01-16 Richard Henderson <rth@redhat.com>
9450 Merge from gomp branch:
9451 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9452 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9453 and rename from struct inline_data. Rename callee* to dst*;
9454 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9455 transform_new_cfg, transform_return_to_modify, and
9456 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9458 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9459 (copy_decl_for_dup): Remove.
9460 * tree-inline.c (struct inline_data): Move to header.
9461 (insert_decl_map): Export.
9462 (remap_decl): Update for member name changes. Use copy_decl hook.
9463 Allow for replacement to be a non-decl. Remove dead code.
9464 (remap_type_1): Check for existing mapping.
9465 (remap_type): Export.
9466 (remap_decls): Update for member name changes.
9467 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9468 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9469 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9470 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9471 (tree_function_versioning, build_duplicate_type): Likewise.
9472 (copy_body_r): Likewise. Export.
9473 (copy_decl_for_dup): Split into ...
9474 (copy_decl_for_dup_finish, copy_decl_to_var,
9475 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9476 (replace_ref_tree, inlining_p): Remove.
9478 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9480 * ifcvt.c (if_convert): Make it static.
9481 * rtl.h: Remove the prototype for if_convert.
9483 * local-alloc.c (local_alloc): Make it static.
9484 * rtl.h: Remove the prototype for local_alloc.
9486 * loop.c (loop_optimize): Make it static.
9487 * cfgloop.h: Remove the prototype for loop_optimize.
9490 2006-01-16 DJ Delorie <dj@redhat.com>
9492 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9495 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9497 * pa.md: Disparage copies between general and floating-point registers
9498 in 32-bit move patterns.
9500 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9503 * Makefile.in (check-%): Depend on site.exp instead of
9504 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9507 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9509 * global.c (global_alloc): Make it static.
9510 * rtl.h: Remove the prototype for global_alloc.
9512 2006-01-16 Richard Guenther <rguenther@suse.de>
9514 * tree-ssa-alias.c (struct used_part): Add write_only field.
9515 (get_or_create_used_part_for): Initialize it to true.
9516 (create_overlap_variables_for): Don't create structure variables
9517 for structures that only are written to.
9518 (find_used_portions): Handle MODIFY_EXPR to track whether a
9519 structure is only written to.
9521 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9523 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9525 * basic-block.h: Remove the prototype for
9526 partition_hot_cold_basic_blocks.
9528 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9530 * cppspec.c (lang_specific_spec_functions): Remove.
9531 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9532 * gcc.h (lang_specific_spec_functions): Remove.
9533 * gccspec.c (lang_specific_spec_functions): Remove.
9535 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9537 * combine.c (record_value_for_reg): Invalidate registers
9539 (record_dead_and_set_regs_1): Likewise, by passing them to
9540 record_value_for_reg.
9541 (record_dead_and_set_regs): Invalidate stores made by a
9542 call. We do not combine across a call, but we still
9543 relied on equivalences.
9545 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9547 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9548 vrp_int_const_binop returning non-constant nodes.
9550 2006-01-16 Paul Brook <paul@codesourcery.com>
9552 * config/m68k/m68k.c (output_move_const_into_data_reg):
9553 Output correct mnemonic for mvz and mvs.
9555 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9557 * rtl-factoring.c: Add sequence abstraction algorithm.
9558 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9559 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9561 (block_has_preserve_label): New function.
9562 * common.opt: Register new pass.
9563 * Makefile.in: Ditto.
9565 * timevar.def: Ditto.
9566 * tree-pass.h: Ditto.
9567 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9568 * rtl.h (make_jump_insn_raw): Add forward decl.
9569 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9571 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9572 Roger Sayle <roger@eyesopen.com>
9574 * fold-const.c (fold_minmax): New static function.
9575 (fold_binary) <MIN_EXPR>: Call it.
9576 <MAX_EXPR>: Likewise.
9577 * stor-layout.c (place_field): Use DECL_SIZE consistently
9578 in the computation of the new record size.
9580 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9582 * cse.c (cse_condition_code_reg): Make it static.
9583 * rtl.h: Remove the prototype for cse_condition_code_reg.
9585 * combine.c (combine_instructions): Make it static.
9586 * rtl.h: Remove the prototype for combine_instructions.
9588 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9591 * tree.c (get_file_function_name_long): Concatenate the first global
9592 object name with a string derived from the input filename of the object
9595 2006-01-16 Ben Elliston <bje@au.ibm.com>
9597 * config/i386/winnt-stubs.c: Update FSF address.
9598 * config/xtensa/ieee754-df.S: Ditto.
9599 * config/xtensa/ieee754-sf.S: Ditto.
9601 2006-01-14 Ian Lance Taylor <ian@airs.com>
9603 * ifcvt.c (noce_init_if_info): New static function, broken out of
9604 noce_process_if_block.
9605 (noce_process_if_block): Call noce_init_if_info.
9606 (check_cond_move_block): New static function.
9607 (cond_move_process_if_block): New static function.
9608 (process_if_block): Call cond_move_process_if_block.
9610 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9612 * cselib.c (hash_table): Rename to cselib_hash_table.
9613 (cselib_clear_table, discard_useless_values,
9614 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9615 cselib_init, cselib_finish): Adjust uses of hash_table.
9617 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9619 PR tree-optimization/25485
9620 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9621 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9622 is known to be false and true, respectively.
9624 2006-01-14 Richard Guenther <rguenther@suse.de>
9626 PR tree-optimization/22548
9627 PR tree-optimization/22555
9628 PR tree-optimization/22501
9629 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9630 * params.def (salias-max-array-elements): New parameter.
9631 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9632 * doc/invoke.texi (salias-max-array-elements): Document.
9633 * tree-flow-inline.h (var_can_have_subvars): We also handle
9635 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9637 * tree-ssa-structalias.c (params.h): Include.
9638 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9639 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9640 (get_constraint_for): For ADDR_EXPR operating on something
9641 containing an ARRAY_REF, add all subvars to the solution.
9642 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9643 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9644 for creating MUST_DEFs.
9645 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9647 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9649 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9651 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9652 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9653 number_of_iterations_le): New functions.
9654 (number_of_iterations_special): Removed.
9655 (number_of_iterations_exit): Do not use number_of_iterations_special.
9656 * tree.c (unsigned_type_for): Always return integer type.
9658 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9659 Richard Guenther <rguenther@suse.de>
9661 PR rtl-optimization/24257
9662 * gcse.c (find_moveable_store): Only consider a store movable
9663 when the SET_SRC of the insn can be assigned to a register.
9665 2006-01-14 Ian Lance Taylor <ian@airs.com>
9667 * tree.c (tree_not_class_check_failed): New function.
9668 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9669 (tree_not_class_check_failed): Declare.
9671 2006-01-13 Ian Lance Taylor <ian@airs.com>
9673 * reload1.c (do_output_reload): Add assertion rejecting a
9676 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9678 * combine.c (struct reg_stat): Add new fields truncation_label and
9680 (record_value_for_reg): Reset truncated_to_mode.
9681 (record_truncated_value): New function.
9682 (check_promoted_subreg): Call it. Rename to check_conversions.
9683 (combine_instructions): Rename check_promoted_subreg to
9685 (reg_truncated_to_mode): New function.
9686 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9687 (gen_lowpart_or_truncate): New function.
9688 (force_to_mode): Use it instead of gen_lowpart.
9690 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9692 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9693 VAR is a tag, not its type tag.
9695 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9697 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9698 alternatives to match style of other entries.
9699 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9701 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9703 PR tree-optimization/25771
9704 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9707 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9710 * tree-inline.c (declare_return_variable): If the return variable
9711 was marked as a non gimple complex, set the return slot variable
9712 to be a non gimple comple variable.
9714 2006-01-13 Richard Guenther <rguenther@suse.de>
9716 * builtins.c (expand_builtin_sincos): New function.
9717 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9719 (expand_builtin): Expand sincos using expand_builtin_sincos.
9721 2006-01-12 DJ Delorie <dj@redhat.com>
9723 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9724 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9725 so that constant shifts can be split.
9726 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9727 (m32c_valid_pointer_mode): Make static.
9728 (shift_gen_func_for): New.
9729 (m32c_prepare_shift): Use it. Split large const shifts into
9731 * config/m32c/predicates.md (shiftcount_operand): Allow more
9733 (longshiftcount_operand): New.
9734 * doc/md.texi (Machine Constraints): Document In6.
9736 2006-01-13 Ben Elliston <bje@au.ibm.com>
9738 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9739 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9742 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9744 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9745 to try to avoid clobbering pieces of structures when we know
9746 something about the whole structure.
9747 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9749 2006-01-13 Ben Elliston <bje@au.ibm.com>
9751 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9752 return in memory, as this is no limitation is no longer present.
9754 2006-01-12 DJ Delorie <dj@redhat.com>
9756 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9757 mova with fb, and for fb+0 -> An.
9759 * config/m32c/mov.md (peephole2): Fix enabling logic.
9761 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9762 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9763 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9764 FINI_ARRAY_SECTION_ASM_OP): Define.
9766 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9768 (m32c_legitimize_reload_address): New logic to reload FB to An.
9769 (m32c_output_reg_push): Add newline.
9770 (m32c_output_reg_pop): Likewise.
9772 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9774 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9776 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9778 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9780 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9782 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9785 2006-01-11 Ben Elliston <bje@au.ibm.com>
9787 * rtlanal.c (find_reg_note): Assert insn is not null.
9789 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9791 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9794 2006-01-11 Jeff Law <law@redhat.com>
9796 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9798 (mark_threaded_blocks, register_jump_thread): New functions.
9799 (thread_through_all_blocks): Remove unwanted argument. No
9800 longer rely on e->aux to communicate thread target info.
9801 Call mark_threaded_blocks. Release the threaded_blocks
9802 bitmap and threaded_edges vector when complete.
9803 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9804 (threaded_blocks): Remove.
9805 (tree_ssa_dominator_optimize): Remove initialization and
9806 finalization of threaded_blocks. Simplify call to
9807 thread_through_all_blocks.
9808 (thread_across_edge): Call register_jump_thread rather than
9809 storing thread information into e->aux.
9810 (free_all_edge_infos): Simplify now that e->aux is no longer
9811 used to communicate with thread_through_all_blocks.
9812 * tree-flow.h (thread_through_all_blocks): Update prototype.
9813 (register_jump_thread): Prototype.
9815 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9817 * df-core.c (df_compact_blocks, df_bb_replace): Use
9818 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9820 2006-01-11 Richard Guenther <rguenther@suse.de>
9822 PR tree-optimization/25734
9823 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9824 stop propagation after successful propagation to the LHS.
9826 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9828 * basic-block.h (control_flow_graph): Change the type of
9829 x_basic_block_info to VEC(basic_block,gc) *.
9830 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9832 (SET_BASIC_BLOCK): New.
9833 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9834 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9835 * cfgbuild.c (find_basic_blocks): Likewise.
9836 * cfglayout.c (fixup_reorder_chain): Likewise.
9837 * cfgrtl.c (create_basic_block_structure,
9838 rtl_create_basic_block): Likewise.
9839 * ifcvt.c (find_if_case_1): Likewise.
9840 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9843 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9845 * Makefile.in: Removed rotted odf.c entry.
9847 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9850 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9851 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9852 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9853 output pattern modifier, not %e.
9854 * config/cris/cris.c (cris_op_str): Update comment about pattern
9856 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9857 before falling through into...
9858 <case 'E'>: Redefined from old 'e' case.
9860 2006-01-11 Jan Hubicka <jh@suse.cz>
9863 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9865 2006-01-11 Jan Hubicka <jh@suse.cz>
9867 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9868 * i386.c (x86_decompose_lea): Kill.
9869 (ix86_rtx_costs): Kill.
9871 2006-01-11 Jan Hubicka <jh@suse.cz>
9873 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9874 * cgraph.h (cgraph_node): Add inline_decl.
9875 (cgraph_insert_node_to_hashtable): Declare.
9876 (save_inline_function_body): Declare.
9877 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9879 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9880 (cgraph_function_versioning): Update call of tree_function_versioning.
9881 (save_inline_function_body): New function.
9882 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9883 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9884 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9885 (cgraph_default_inline_p): Likewise.
9886 (cgraph_decide_inlining_incrementally): Likewise.
9887 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9888 (copy_bb): Kill saving; do updating of clones.
9889 (copy_cfg_body): Kill saving.
9890 (initialize_inlined-parameters): Likewise.
9891 (expand_call_inline): Likewise.
9893 (tree_function_versioning): New parameter "update_clones".
9894 (inlining_p): Kill saving.
9895 * tree-inline.h (tree_function_versioning): Update prototype.
9896 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9899 2006-01-11 Ian Lance Taylor <ian@airs.com>
9901 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9902 Allow undoing set of machine mode.
9903 (do_SUBST): Use enums instead of is_int.
9904 (do_SUBST_MODE): New function.
9905 (SUBST_MODE): New macro.
9906 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9907 reg and trying to replace reg_regno_rtx with a new register.
9908 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9909 (simplify_set): Use SUBST_MODE.
9910 (distribute_notes): Remove code that tried to update reg notes
9911 for regno_reg_rtx changes.
9913 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9915 PR tree-optimization/23109
9916 PR tree-optimization/23948
9917 PR tree-optimization/24123
9919 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9920 * tree-cfg.c (single_noncomplex_succ): New.
9921 * tree-flow.h (single_noncomplex_succ): Declare it.
9922 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9923 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9924 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9925 insert_bb, register_division_in, insert_reciprocals,
9926 replace_reciprocal, free_bb): New.
9927 (execute_cse_reciprocals_1): Rewritten.
9928 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9929 Do not commit any edge insertion. Always compute dominators and
9930 create the allocation pool.
9931 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9932 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9933 * targhooks.c (default_min_divistions_for_recip_mul): New.
9934 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9935 * passes.c (init_optimization_passes): Run recip after tree loop
9937 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9939 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9940 Kenneth Zadeck <zadeck@naturalbridge.com>
9942 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9943 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9944 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9945 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9946 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9947 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9948 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9949 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9950 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9951 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9952 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9953 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9954 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9955 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9956 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9957 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9958 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9959 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9960 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9961 DF_SCAN_POST_ALLOC): New macros.
9962 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9963 df_free_bb_function, df_local_compute_function, df_init_function,
9964 df_dataflow_function, df_confluence_function_0,
9965 df_confluence_function_n, df_transfer_function,
9966 df_finalizer_function, df_free_function, df_dump_problem_function,
9967 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9968 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9969 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9970 df_urec_bb_info, ) New types.
9971 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9973 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9974 df_analyze_simple_change_some_blocks,
9975 df_analyze_simple_change_one_block, df_compact_blocks,
9976 df_bb_replace, df_bb_regno_last_use_find,
9977 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9978 df_insn_regno_def_p, df_find_def, df_find_use,
9979 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9980 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9981 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9982 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9983 debug_df_chain, df_get_dependent_problem, df_chain_create,
9984 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9985 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9986 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9987 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9988 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9989 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9990 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9991 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9992 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9993 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9994 df_reorganize_refs, df_set_state, df_hard_reg_init,
9995 df_read_modify_subreg_p) New public functions.
9996 * df-core.c: The core dataflow solver and glue routines for rtl
9998 (df_init, df_add_problem, df_set_blocks, df_finish,
9999 df_hybrid_search_forward, df_hybrid_search_backward,
10000 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10001 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10002 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10003 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10004 df_reg_defined, df_find_use, df_reg_used, df_dump,
10005 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10006 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10007 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10008 debug_df_useno, reset_df_after_reload): New functions.
10009 * df-scan.c: The scanning fuctions, once in df.c, completely
10010 rewritten so that they now fully model the functionality of
10011 register usage at the backend.
10012 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10013 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10014 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10015 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10016 df_get_artificial_defs, df_get_artificial_uses,
10017 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10018 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10019 df_refs_delete, df_reorganize_refs, df_set_state,
10020 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10021 df_def_record_1, df_defs_record, df_uses_record,
10022 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10023 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10024 df_record_exit_block_uses, df_hard_reg_init): New functions.
10026 * df-problems.c: Seven concrete dataflow problems that use the
10027 scanning in df-scan.c and are solved by the engine in df-core.c.
10028 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10029 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10030 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10031 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10032 df_ru_free_bb_info, df_ru_alloc,
10033 df_ru_bb_local_compute_process_def,
10034 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10035 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10036 df_ru_transfer_function, df_ru_free, df_ru_dump,
10037 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10038 df_rd_free_bb_info, df_rd_alloc,
10039 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10040 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10041 df_rd_transfer_function, df_rd_free, df_rd_dump,
10042 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10043 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10044 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10045 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10046 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10047 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10048 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10049 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10050 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10051 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10052 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10053 df_urec_mark_reg_use_for_earlyclobber,
10054 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10055 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10056 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10057 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10058 df_chain_create_bb_process_use, df_chain_create_bb,
10059 df_chain_finalize, df_chain_free, df_chains_dump,
10060 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10061 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10062 df_reg_lifetime): New functions.
10063 * df.c: Deleted file.
10064 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10065 consistent with new df api.
10066 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10067 rest_of_handle_sms): Ditto.
10068 * web.c (unionfind_union, union_defs, entry_register, web_main):
10070 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10071 invariant_expr_equal_p, find_defs, check_dependencies,
10072 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10073 free_inv_motion_data, move_loop_invariants): Ditto.
10074 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10075 Update dependencies.
10076 (odf.c): Added defective entry that was deleted later in day.
10077 * sched-deps.c (sched_analyze_1): Ditto.
10079 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10081 * tree-ssa-operands.c (get_expr_operands): Record addressable
10082 variables directly. Do not call add_stmt_operands for CONST_DECLs
10084 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10085 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10087 2006-01-11 Ben Elliston <bje@au.ibm.com>
10089 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10090 function returns true in the positive case.
10092 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10095 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10096 for SI, DI, SF and DF modes. Add alternatives to copy between
10097 general and floating point registers to the 32-bit patterns.
10098 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10099 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10100 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10101 generating 64-bit code.
10102 * config/pa/pa.c (output_move_double): Handle copies between general
10103 and floating registers.
10105 2006-01-10 Stuart Hastings <stuart@apple.com>
10107 * config/i386/i386.md (set_got): Update.
10108 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10109 (builtin_setjmp_receiver): Mach-O support.
10110 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10111 (GOT_SYMBOL_NAME): Define.
10112 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10113 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10114 * config/i386/i386.c (override_options): Revise for Darwin.
10115 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10116 support. (darwin_x86_file_end): New. (output_set_got): Add label
10117 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10118 * config/i386/i386-protos.h (output_set_got): Likewise.
10119 * config/darwin.c (machopic_legitimize_pic_address): Update
10122 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10124 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10125 when MODE isn't BLKmode.
10127 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10129 PR rtl-optimization/25367
10130 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10132 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10135 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10136 for a negative bound.
10138 2006-01-10 Richard Guenther <rguenther@suse.de>
10140 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10141 Never override with anything constraint.
10143 2006-01-10 Jan Beulich <jbeulich@novell.com>
10145 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10146 256 bits when optimize_size.
10148 2006-01-10 Jan Beulich <jbeulich@novell.com>
10150 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10152 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10153 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10156 2006-01-10 Ben Elliston <bje@au.ibm.com>
10158 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10160 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10161 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10162 (USE_FP_FOR_ARG): Reject decimal float modes.
10163 (function_arg_advance): Likewise.
10164 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10165 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10166 point types in AltiVec vectors.
10167 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10168 (rs6000_libcall_value): Likewise.
10170 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10172 * config/xtensa/ieee754-df.S: New file.
10173 * config/xtensa/ieee754-sf.S: New file.
10174 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10175 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10176 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10178 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10180 * config/sh/predicates.md (binary_float_operator,
10181 binary_logical_operator, commutative_float_operator,
10182 equality_comparison_operator, greater_comparison_operator,
10183 less_comparison_operator, logical_operator,
10184 noncommutative_float_operator, shift_operator,
10185 symbol_ref_operand, unary_float_operator): Remove redundant
10188 2006-01-09 Jeff Law <law@redhat.com>
10190 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10191 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10192 now unused arguments. Callers updated.
10193 (eliminate_redundant_computations): Remove now unused arguments,
10195 (local_fold): Remove, no longer used.
10196 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10198 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10199 (simplify_cond): New function.
10200 (forward_propagate_into_cond): Call simplify_cond.
10202 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10204 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10205 (*vec_extractv2di_1_sse): New.
10207 2006-01-09 Ben Elliston <bje@au.ibm.com>
10209 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10211 2006-01-08 Richard Guenther <rguenther@suse.de>
10213 * tree-ssa-structalias.c (get_constraint_for): Remove
10214 anyoffset argument.
10215 (get_constraint_for_component_ref): Likewise.
10216 (do_deref): Likewise.
10217 (get_constraint_for): Likewise.
10218 (do_structure_copy): Likewise.
10219 (handle_ptr_arith): Likewise.
10220 (find_func_aliases): Likewise. Remove unused need_anyoffset
10223 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10224 Kaz Kojima <kkojima@gcc.gnu.org>
10226 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10227 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10228 (EXTRA_CONSTRAINT_C16): Remove.
10229 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10230 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10231 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10232 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10233 constants of SHmedia. Handle nested constant expressions of
10235 (andcosts): Fix the costs for SHmedia constants.
10236 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10237 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10238 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10239 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10240 (movv4hi_i, movv2si_i): Likewise.
10241 (movsi_const): Adjust the second operand of ior so to match with
10242 the Csu constraint.
10243 (movdi_const, movdi_const_32bit): Likewise.
10244 (movdi_const_16bit+1): Don't sign-extend LOW.
10245 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10247 (*double_shori): Fix the split condition. Use GEN_INT instead
10248 of get_int_mode calls. Mask lower 16-bit of the argument of
10250 (sym2GOTPLT): Remove.
10251 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10253 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10254 instead of EXTRA_CONSTRAINT_C16.
10256 2006-01-07 Ian Lance Taylor <ian@airs.com>
10257 David Edelsohn <edelsohn@gnu.org>
10259 PR rtl-optimization/25662
10260 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10261 for constant operands instead of simplify_gen_binary.
10262 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10263 after trying simplify_binary_operation
10265 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10267 * tree.c (iterative_hash_expr): Hash decls based on UID.
10269 2006-01-06 Eric Christopher <echristo@apple.com>
10271 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10272 (TARGET_UNWIND_EMIT): Fix spelling.
10273 * target.h (gcc_target): Add except_table_label.
10274 * except.c (output_function_exception_table): Use.
10275 * varasm.c (default_emit_except_table_label): New.
10276 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10278 (asm_out): Add here.
10279 * output.h (default_emit_except_table_label): Prototype.
10280 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10281 * config/darwin.c (darwin_emit_except_table_label): Define.
10282 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10284 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10286 PR tree-optimization/18527
10287 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10288 number_of_iterations_special, number_of_iterations_exit):
10289 Move base and step of an iv to a single structure. Add
10290 no_overflow flag, and use it in # of iterations analysis.
10291 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10292 folded_casts argument.
10293 (simple_iv): Pass base and step in a structure. Set no_overflow
10295 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10296 Evaluate expensiveness of computing # of iterations instead of
10297 the final expression.
10298 * tree-scalar-evolution.h (affine_iv): New structure.
10299 (simple_iv): Declaration changed.
10300 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10301 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10302 find_givs_in_stmt): Changed due to simple_iv change.
10304 2006-01-06 Jeff Law <law@redhat.com>
10307 * tree-cfg.c (bsi_replace): Rename final argument from
10308 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10309 change (stmt -> orig_stmt).
10310 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10311 (bsi_remove): Add new argument. Remove EH information
10313 (verify_eh_throw_table_statements): New function.
10314 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10316 * tree-optimize.c (execute_free_cfg_annotations): Verify
10317 the EH throw statement table after removing annotations.
10318 * except.h (verify_eh_throw_table_statements): Prototype.
10319 * tree-flow.h (bsi_remove): Update prototype.
10320 * tree-vrp.c (remove_range_assertions): Add new argument to
10322 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10323 * tree-complex.c (expand_complex_div_wide): Likewise.
10324 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10325 * tree-tailcall.c (eliminate_tailcall): Likewise.
10326 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10327 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10328 * tree-nrv.c (tree_nrv): Likewise.
10329 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10330 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10331 (combine_blocks): Likewise.
10332 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10333 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10334 (cleanup_control_flow): Likewise.
10335 (remove_forwarder_block): Likewise.
10336 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10337 * tree-sra.c (sra_replace): Likewise.
10338 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10339 (forward_propagate_single_use_vars): Likewise.
10340 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10341 * tree-inline.c (expand_call_inline): Likewise.
10342 * tree-vect-transform.c (vect_transform_loop): Likewise.
10343 * tree-outof-ssa.c (rewrite_trees): Likewise.
10344 * tree-cfg.c (make_goto_expr_edges): Likewise.
10345 (cleanup_dead_labels): Likewise.
10346 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10347 (bsi_move_before, bsi_move_after): Likewise.
10348 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10349 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10351 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10354 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10356 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10357 on non gimple variables. Also add checks at the top for decls and
10359 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10361 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10362 and IMAGPART_EXPR for creating MUST_DEFs.
10363 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10364 and NAME_MEMORY_TAG separately from the DECLs.
10366 2006-01-06 Richard Guenther <rguenther@suse.de>
10368 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10369 annotation, if necessary.
10370 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10371 redundant calls to update_stmt.
10372 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10375 2006-01-05 Richard Henderson <rth@redhat.com>
10377 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10379 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10381 * c-typeck.c: Update copyright date.
10383 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10385 * c-typeck.c (build_c_cast): Always warn when casting
10386 from a pointer to an integer of different size, even if
10387 the node was constant.
10389 2006-01-05 Richard Guenther <rguenther@suse.de>
10391 PR tree-optimization/22555
10392 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10393 if one structure field is an array.
10394 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10395 operands even if we found a subvar, but ignore VOPs in this
10397 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10399 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10401 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10403 PR middle-end/24998
10404 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10406 2006-01-05 Richard Guenther <rguenther@suse.de>
10407 Diego Novillo <dnovillo@redhat.com>
10409 * tree-pass.h (TODO_remove_unused_locals): Define.
10410 * gimple-low.c (expand_var_p, remove_useless_vars,
10411 pass_remove_useless_vars): Remove. Update all users.
10412 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10413 (remove_unused_locals): New function.
10414 * tree-flow.h (remove_unused_locals): Declare.
10415 * passes.c (execute_todo): Call remove_unused_locals if
10416 TODO_remove_unused_locals is set.
10417 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10418 * tree-ssa-dce.c (pass_dce): Likewise.
10419 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10421 2006-01-05 Richard Guenther <rguenther@suse.de>
10423 * tree-flow.h (struct fieldoff): Decompose field to
10424 type, size and decl.
10425 * tree-ssa-alias.c (create_sft): Take type as parameter.
10426 (create_overlap_variables_for): Store type, size and decl
10427 in the fieldoff structure.
10428 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10429 of struct fieldoff.
10430 (push_fields_onto_fieldstack): Likewise.
10431 (create_variable_info_for): Likewise. Use offset for the
10432 SFT name if the decl is not available.
10434 2006-01-04 Paul Brook <paul@codesourcery.com>
10436 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10438 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10440 * lambda-code.c (can_put_in_inner_loop): Relax
10442 (can_put_after_inner_loop): New function.
10443 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10444 (perfect_nestify): Change to make copies and modify uses.
10446 2006-01-04 Richard Henderson <rth@redhat.com>
10448 Merge from gomp branch:
10449 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10450 via integer constant.
10451 (pragma_lex): Remove.
10452 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10453 rather than parsing it.
10454 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10455 handle_pragma_extern_prefix): Add %< %> quotes.
10456 (registered_pragmas): New.
10457 (c_register_pragma_1): New.
10458 (c_register_pragma): Use it.
10459 (c_register_pragma_with_expansion): Likewise.
10460 (c_invoke_pragma_handler): New.
10461 (init_pragma): Use cpp_register_deferred_pragma directly for
10463 * c-pragma.h (enum pragma_kind): New.
10464 (pragma_handler): New.
10465 (c_invoke_pragma_handler): Declare.
10466 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10468 * c-common.h (c_common_pch_pragma): Update decl.
10469 * Makefile.in (c-parser.o): Update dependencies.
10470 (GTFILES): Add c-pragma.h.
10471 * c-parser.c (struct c_token): Add pragma_kind.
10472 (struct c_parser): Add in_pragma.
10473 (c_lex_one_token): Always initialize keyword and pragma_kind.
10474 Extract data for CPP_PRAGMA.
10475 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10476 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10477 Don't allow CPP_PRAGMA_EOL if in_pragma.
10478 (c_parser_consume_pragma): New.
10479 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10480 (c_parser_skip_to_end_of_parameter): Likewise.
10481 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10482 (c_parser_skip_to_pragma_eol): New.
10483 (c_parser_external_declaration): Handle CPP_PRAGMA.
10484 (c_parser_compound_statement_nostart): Likewise.
10485 (c_parser_statement_after_labels): Likewise.
10486 (c_parser_pragma): New.
10487 (pragma_lex): Likewise.
10488 (c_parser_pragma_pch_preprocess): New.
10489 (c_parser_new): Merge into ...
10490 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10492 2006-01-04 Jeff Law <law@redhat.com>
10495 * tree-cfg.c (bsi_replace): Remove the original statement
10496 from the EH throw statement table.
10498 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10500 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10501 make the prototype extern "C" and add throw ().
10504 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10505 and pos non-negative and pos + len <= 32.
10506 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10507 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10508 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10511 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10512 as well as sizes not multiple of component size.
10515 * function.c (instantiate_expr): New function.
10516 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10517 walk its DECL_VALUE_EXPR with instantiate_expr.
10519 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10520 DW_OP_deref{,_size} if address isn't going to be added.
10522 2006-01-04 Ben Elliston <bje@au.ibm.com>
10524 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10525 * config/fp-bit.c: Likewise.
10527 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10529 * dominance.c: Add comment about why we use DFS numbering
10532 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10533 Richard Henderson <rth@redhat.com>
10535 Merge from gomp-branch:
10536 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10537 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10539 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10541 PR rtl-optimization/25578
10542 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10543 pass a parameter to simplify_shift_const if changing ASHIFTRT
10546 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10548 * builtins.c (get_builtin_sync_mem): New function.
10549 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10550 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10551 Call get_builtin_sync_mem to generate mem rtx.
10553 2006-01-03 Richard Guenther <rguenther@suse.de>
10556 * stmt.c (add_case_node): Make sure to clear overflow flags
10559 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10561 Merge from gomp-branch.
10562 * config/sparc/sync.md: New file.
10563 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10564 UNSPECV_LDSTUB): New constants.
10565 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10566 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10567 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10570 2006-01-03 Roger Sayle <roger@eyesopen.com>
10572 * combine.c (reg_subword_p): New predicate to test whether the
10573 destination of a set refers to a subword/piece of a register.
10574 (try_combine): Generalize the code to merge the setting of a
10575 pseudo to a constant followed by a set of a subword of that
10576 register to a constant.
10578 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10580 * basic-block.h (control_flow_graph): Change the type of
10581 x_label_to_block_map to VEC(basic_block,gc) *.
10582 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10583 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10585 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10586 VEC(basic_block,heap) *.
10587 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10588 ssa_prop_fini): Adjust the uses of cfg_blocks.
10590 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10592 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10594 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10595 hashing trees instead of a pointer hash.
10596 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10597 compare for MEM_EXPR.
10599 PR rtl-optimization/25130
10600 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10601 when comparing MEMs for GCSE
10603 2006-01-03 Ben Elliston <bje@au.ibm.com>
10605 * targhooks.h (default_decimal_float_supported_p): Declare.
10606 * targhooks.c (default_decimal_float_supported_p): Define.
10607 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10608 `default_decimal_float_supported_p'.
10609 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10611 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10613 * combine.c (apply_distributive_law <SUBREG>): Check
10614 TRULY_NOOP_TRUNCATION.
10616 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10618 * dwarf2out.c (have_switched_text_section): Delete.
10619 (have_multiple_function_sections): New.
10620 (have_location_lists): Make 'bool'.
10621 (add_AT_loc_list): Use 'true' not '1'.
10622 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10623 (output_loc_list): Use have_multiple_function_sections.
10624 (output_ranges): Likewise.
10625 (dwarf2out_begin_function): Set have_multiple_function_sections if
10627 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10628 Check function_section rather than DECL_SECTION_NAME.
10629 (dwarf2out_finish): Use have_multiple_function_sections.
10630 Don't clear have_location_lists.
10632 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10633 Jan Hubicka <jh@suse.cz>
10635 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10636 case of conditional jump jumping to the next instruction.
10637 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10638 cases of conditional jump jumping to the next instruction.
10640 2006-01-02 Jan Hubicka <jh@suse.cz>
10642 * i386.c (*_cost): Add COSTS_N_INSNS.
10643 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10645 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10648 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10650 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10652 * config/arm/arm.c (all_fpus): Fix comment typo.
10653 * config/darwin.c: Likewise.
10654 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10655 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10656 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10658 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10660 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10661 (rs6000_split_compare_and_swapqhi): New.
10662 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10663 (sync_compare_and_swapqhi_internal): New.
10664 * config/rs6000/rs6000-protos.h: Declare.