1 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5 standard 80387 constants, raise the cost to prevent
6 compress_float_constant() to generate load from memory.
8 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
10 * config/arm/constraints.md (c): Fix a typo.
12 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
15 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
18 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
20 (_mm_mwait): Likewise.
22 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
24 (sse3_monitor): Make it 32bit only.
25 (sse3_monitor64): New. 64bit monitor.
27 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
30 * config/i386/i386.c (classify_argument): Skip fields with invalid
33 2006-05-07 Richard Guenther <rguenther@suse.de>
35 PR tree-optimization/27409
36 * tree-ssa-structalias.c (get_constraint_for_component_ref):
37 Do not try to find zero-sized subvars.
39 2006-05-07 Richard Guenther <rguenther@suse.de>
41 PR tree-optimization/27136
42 * tree-ssa-loop-niter.c (get_val_for): Correct function
43 comment, assert requirements.
44 (loop_niter_by_eval): Stop processing if the iterated
45 value did not simplify.
47 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
49 * opts.c (flag_see): remove its setting at -O3.
51 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
53 * genpeep.c (main): Make insn-peep.c depend on flags.h.
54 * arm/constraints.md: New file.
55 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
56 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
57 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
58 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
59 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
60 (EXTRA_MEMORY_CONSTRAINT): Likewise.
61 * arm.md: Include constraints.md.
62 (thumb_movsi_insn): Use satisfies_constraint_J.
63 (movhi, movqi): Use satisfies_constraint_I.
65 2006-04-29 Anatoly Sokolov <aesok@post.ru>
67 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
68 for atmeg a645 device.
70 2006-05-06 Richard Guenther <rguenther@suse.de>
72 PR tree-optimization/27151
73 * tree-vect-transform.c (vectorizable_condition): Punt on
74 values that have a different type than the condition.
76 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
79 * c-parser.c (c_parser_cast_expression): Only insert casts into
80 hash table if pointer.
81 * function.c (used_types_insert_helper): Rename from
83 (used_types_insert): Call used_types_insert_helper.
84 * function.h (used_types_insert): Accept only one argument.
86 2006-05-05 David Edelsohn <edesohn@gnu.org>
88 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
89 scratch with output modifier.
91 2006-05-04 David Edelsohn <edelsohn@gnu.org>
94 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
97 2006-05-04 Richard Sandiford <richard@codesourcery.com>
100 * config/mips/mips.c (mips_symbolic_address_p): Return true
101 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
102 SYMBOL_GOTTPREL, and SYMBOL_TLS.
104 2006-05-04 Richard Guenther <rguenther@suse.de>
106 PR tree-optimization/14287
107 PR tree-optimization/14844
108 PR tree-optimization/19792
109 PR tree-optimization/21608
110 PR tree-optimization/27090
111 * tree-ssa-pre.c (try_combine_conversion): New function.
112 (compute_avail): After constructing the value-handle
113 expression, use try_combine_conversion to combine NOP_EXPRs
114 with previous value-handle expressions and use the result if it
117 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
119 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
121 2006-05-04 Jan Hubicka <jh@suse.cz>
124 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
126 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
128 * config/bfin/predicates.md (const01_rtx): Tell generator programs
129 that this only matches CONST_INTs. All users changed to VOIDmode
132 * config/bfin/bfin.c: Include "optabs.h".
133 (bfin_rtx_costs): Some costs for vector operations, to allow combine
135 (enum bfin_builtins): Add a number of fractional and vector builtins.
136 (bfin_init_builtins): Likewise.
137 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
138 (safe_vector_operand, bfin_expand_binop_builtin,
139 bfin_expand_unop_builtin): New functions.
140 (bfin_expand_builtin): Handle the new builtins.
141 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
144 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
147 * Makefile.in (OBJS-common): Add see.o.
148 (see.o): Add dependencies.
149 * common.opt (fsee): New flag for the see optimization was added.
150 * opts.c (flag_see): Initialized.
151 * passes.c (init_optimization_passes, pass_see): New pass.
152 * rtl.h (see_main): Declaration as extern.
153 * timevar.def (TV_SEE): New.
154 * tree-pass.h (pass_see): Declaration as extern.
155 * invoke.texi (-fsee): Document.
156 * recog.c (validate_simplify_insn): New function.
157 * recog.h (validate_simplify_insn): Declaration as extern.
158 * df-problems.c (df_chain_dump): Check for NULL.
160 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
161 Daniel Berlin <dberlin@dberlin.org>
163 * cfgrtl.c (insert_insn_bb_end_new): New function.
164 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
166 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
168 * df.h (struct web_entry): Moved from web.c.
169 (union_defs): Declaration as extern.
170 (unionfind_root): Likewise.
171 (unionfind_union): Likewise.
172 * web.c (struct web_entry): Moved to df.h.
173 (unionfind_root): Remove static declaration.
174 (unionfind_union): Likewise.
175 (union_defs): Likewise and generalize to use callback function.
176 (web_main): Update arguments for union_defs function call.
178 2006-05-04 Richard Guenther <rguenther@suse.de>
180 PR tree-optimization/26447
181 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
182 produce SSA_NAME copies before the store stmt to avoid
183 breaking exception handling.
185 2006-05-04 Jakub Jelinek <jakub@redhat.com>
188 * gimplify.c (omp_is_private): If var is shared in some outer context,
189 return false instead of true. Stop searching on parallel context
192 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
195 * coverage.c: Use get_gcov_unsigned_t() instead of
196 unsigned_type_node all over.
198 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
200 PR tree-optimization/27381
201 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
202 maintain the same immediate_use links.
203 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
204 node rather than segfaulting.
206 2006-05-03 Jakub Jelinek <jakub@redhat.com>
209 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
210 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
211 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
213 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
215 Fix PR tree-optimization/26626
216 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
218 * tree-ssa-operands.c (access_can_touch_variable): Allow
219 typecasting through union pointers.
221 2006-05-02 Jakub Jelinek <jakub@redhat.com>
224 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
225 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
226 to find if var will be a global variable even in the nested context.
227 (omp_copy_decl): Only check for global variable at the end, it might
228 be overridden in outer contexts.
229 (scan_sharing_clauses): For global variables don't create a field.
230 (lower_rec_input_clauses): Do nothing for global shared variables.
231 Emit a barrier at the end of ILIST if there were any decls in both
232 firstprivate and lastprivate clauses.
233 (lower_send_clauses): Do nothing for global variables except for
236 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
238 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
239 of the correct signedness is returned.
241 2006-05-02 Jeff Law <law@redhat.com>
243 PR tree-optimization/27364
244 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
245 multiply expressions.
247 2006-05-02 Tom Tromey <tromey@redhat.com>
249 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
251 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
254 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
255 -mthumb -fPIC are used.
257 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
258 Joshua Kinard <kumba@gentoo.org>
261 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
262 with 64-bit pointers.
264 2006-05-02 Paul Brook <paul@codesourcery.com>
266 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
268 (create_fix_barrier): Check that a suitable barrier location is
270 (arm_reorg): Include ftmp->address in allowable range of addresses.
272 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
275 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
278 2006-05-02 Jakub Jelinek <jakub@redhat.com>
281 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
282 around RESULT_DECL for result passed by reference.
283 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
284 * omp-low.c (use_pointer_for_field): Don't look at
285 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
286 (scan_omp_1): Call remap_decl on RESULT_DECLs.
287 (lower_rec_input_clauses): Don't allocate VLA memory for the second
288 time or var for passing by reference for
289 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
290 TREE_ADDRESSABLE variables when passing by reference.
292 * omp-low.c (dump_omp_region): Fix output formatting.
295 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
296 (expand_omp_parallel): Likewise.
297 * tree-cfg.c (move_sese_region_to_fn): Likewise.
300 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
301 on statement list containing also constructors and destructors.
302 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
305 * except.c (duplicate_eh_regions): Fix clearing of
306 cfun->eh->region_array entries.
308 2006-05-01 DJ Delorie <dj@redhat.com>
310 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
312 (gcc_cv_objdump): Likewise.
313 * configure: Regenerated.
315 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
318 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
319 templates for case 3 and 4.
321 2006-05-01 DJ Delorie <dj@redhat.com>
323 * vec.c: Include bconfig.h when appropriate.
324 * Makefile.in (build/vec.o): Adjust dependencies.
325 * mkconfig.sh: Make sure config.h isn't used for build machine
328 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
330 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
332 (mark_phi_for_rewrite): New function.
333 (insert_phi_nodes_for, mark_use_interesting): Call
334 mark_phi_for_rewrite.
335 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
336 (update_ssa): Initialize and free phis_to_rewrite.
338 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
340 PR rtl-optimization/27291
341 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
342 folded to a constant.
344 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
346 PR tree-optimization/27283
347 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
348 not whole # of iteration descriptions.
349 (niter_for_exit): Return just # of iterations. Fail if # of iterations
350 uses abnormal ssa name.
351 (niter_for_single_dom_exit): Ditto.
352 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
353 return just the number of iterations.
355 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
357 PR tree-optimization/27144
358 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
359 (record_estimate): Only record constant upper bound.
360 (infer_loop_bounds_from_undefined): Call
361 compute_estimated_nb_iterations just once.
362 (proved_non_wrapping_p): Renamed to ...
363 (n_of_executions_at_most): ... this. Expect bound to be a constant.
364 (convert_step_widening, scev_probably_wraps_p): Call
365 n_of_executions_at_most instead of proved_non_wrapping_p.
366 (substitute_in_loop_info): Do not replace values in bounds.
367 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
370 2006-05-01 Richard Henderson <rth@redhat.com>
373 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
374 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
377 2006-05-01 Roger Sayle <roger@eyesopen.com>
379 * c-typeck.c (parser_build_binary_op): Don't call the function
380 unsigned_conversion_warning to spot operand/result type overflow.
381 (build_binary_op): Instead, call convert_and_check instead of
382 convert to report the problem when the operands are promoted.
383 * c-common.c (unsigned_conversion_warning): Make static.
384 * c-common.h (unsigned_conversion_warning): Delete prototype.
386 2006-05-01 Richard Guenther <rguenther@suse.de>
388 PR tree-optimization/26726
389 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
391 (find_interesting_uses_address): ... we work around here
392 by folding INDIRECT_REFs in the substituted base.
394 2006-05-01 Diego Novillo <dnovillo@redhat.com>
396 * omp-low.c (dump_omp_region): Add newlines.
398 2006-04-30 Roger Sayle <roger@eyesopen.com>
400 * common.opt (Woverflow): New command line option.
401 * c-common.c (constant_expression_warning): Check warn_overflow.
402 (overflow_waring): Pass OPT_Woverflow to warning.
403 (unsigned_conversion_warning): Likewise.
404 (convert_and_check): Likewise.
405 * doc/invoke.texi: Document new command line option.
407 2006-04-30 David Edelsohn <edelsohn@gnu.org>
409 * config/rs6000/rs6000.c (rs6000_override_options): Enable
410 TARGET_NO_FP_IN_TOC for section anchors.
411 (optimization_options): Enable section anchors for all
412 non-"Objective" languages.
414 2006-04-28 Eric Christopher <echristo@apple.com>
416 * config/darwin-c.c (darwin_ms_struct): Move this
417 (darwin_set_default_type_attributes): and this...
418 * config/darwin.c: ... here.
419 * config/darwin.h (darwin_ms_struct): Declare.
421 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
423 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
425 2006-04-28 Roger Sayle <roger@eyesopen.com>
428 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
429 (push_array_bounds): Delete prototype. Change BOUNDS argument to
430 an unsigned HOST_WIDE_INT.
431 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
433 (really_start_incremental_init): No need to call convert because
434 bitsize_zero_node is already of type bitsizetype.
435 (push_init_level): Extract the value of constructor_index as an
436 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
437 (process_init_element): Likewise.
439 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
441 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
442 value before passing to make_relative_prefix.
444 2006-04-28 Alan Modra <amodra@bigpond.net.au>
447 * builtins.c (expand_builtin_memset): Expand val in original mode.
449 2006-04-27 Eric Christopher <echristo@apple.com>
451 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
453 * config/darwin-c.c (darwin_ms_struct): New.
454 (darwin_pragma_ms_struct): Ditto.
455 (darwin_set_default_type_attributes): Ditto.
456 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
457 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
458 Register ms_struct pragma.
459 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
460 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
461 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
462 darwin_set_default_type_attributes if TARGET_MACHO.
464 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
466 PR tree-optimization/26854
467 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
468 * doc/tree-ssa.texi: Update immuse iterator documentation.
469 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
470 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
471 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
472 first_safe_imm_use, next_safe_imm_use): Remove.
473 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
474 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
475 (move_use_after_head): New. Helper function to sort immuses in a stmt.
476 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
477 (first_imm_use_stmt): New. Get first stmt in an immuse list.
478 (next_imm_use_stmt): New. Get next stmt in an immuse list.
479 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
480 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
481 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
482 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
483 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
484 (perfect_nestify): Use new iterator.
485 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
487 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
488 (next_imm_name): New field in struct immediate_use_iterator_d.
489 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
490 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
491 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
492 * tree-cfg.c (replace_uses_by): Use new iterator.
493 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
494 * tree-ssa-operands.c (correct_use_link): Remove.
495 (finalize_ssa_use_ops): No longer call correct_use_link.
497 2006-04-27 Stuart Hastings <stuart@apple.com>
499 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
500 * config/t-darwin (crt3.o): Use it.
501 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
502 'pmode', use Pmode instead of SImode for SYMBOL_REF.
503 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
504 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
505 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
508 2006-04-27 Roger Sayle <roger@eyesopen.com>
510 * expmed.c (store_fixed_bit_field): If we're not optimizing for
511 size, force the intermediate into a new pseudo rather instead of
512 performing both a bitwise AND and a bitwise IOR in memory.
514 2006-04-27 Richard Guenther <rguenther@suse.de>
516 PR rtl-optimization/26685
517 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
518 this one "max-flow-memory-locations".
520 2006-04-27 Richard Guenther <rguenther@suse.de>
522 PR tree-optimization/25148
523 * tree-vrp.c (compare_values): Remove code dealing with
524 comparisons against type min/max value. Honour overflow
525 and negative constants in code dealing with comparisons
526 of plus and minus expressions.
527 (value_inside_range): Use fold_binary with LE_EXPR and
528 GE_EXPR rather than compare_values.
530 2006-04-27 Dirk Mueller <dmueller@suse.de>
532 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
535 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
537 * basic-block.h (safe_insert_insn_on_edge): Removed.
538 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
541 2006-04-26 David Edelsohn <edelsohn@gnu.org>
542 Paolo Bonzini <bonzini@gnu.org>
545 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
546 (simplify_and_const_int): Same.
548 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
550 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
552 2006-04-26 Jakub Jelinek <jakub@redhat.com>
555 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
556 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
557 cgraph_global_info_ready.
560 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
563 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
564 either decl or init is error_mark_node.
567 * tree-flow.h (struct omp_region): Add sched_kind.
568 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
569 instead of extracting omp for data.
570 (expand_omp_for): Save extracted sched_kind.
572 2006-04-25 Roger Sayle <roger@eyesopen.com>
574 * expmed.c (store_bit_field): Also check whether the bitsize is
575 valid for the machine's "insv" instruction before moving the
576 target into a pseudo for use with the insv.
577 * config/i386/predicates.md (const8_operand): New predicate.
578 * config/i386/i386.md (extv, extzv, insv): Use the new
579 const8_operand predicate where appropriate.
581 2006-04-25 DJ Delorie <dj@redhat.com>
583 * doc/install.texi (Specific): Clarify that this is not a list of
584 supported hosts or targets.
586 2006-04-25 Richard Sandiford <richard@codesourcery.com>
588 PR rtl-optimization/26725
589 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
590 block's BB_DIRTY flag.
592 2006-04-25 Geoffrey Keating <geoffk@apple.com>
594 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
597 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
600 2006-04-25 David Edelsohn <edelsohn@gnu.org>
602 * varasm.c (align_variable): New function.
603 (get_block_for_decl): Apply align_variable to DECL before
604 calculating section information.
605 (assemble_variable): Split out alignment computation.
607 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
609 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
612 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
614 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
615 MODE_PARTIAL_INT mode.
616 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
617 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
619 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
620 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
622 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
624 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
626 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
627 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
628 MACFLAG_IH): Likewise.
629 (movstricthi_1): Renamed from "*movstricthi".
630 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
631 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
632 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
633 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
634 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
635 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
636 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
637 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
638 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
639 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
640 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
641 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
642 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
643 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
644 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
646 * doc/rtl.texi (ss_ashift): Improve wording.
648 2006-04-24 Geoffrey Keating <geoffk@apple.com>
650 * dwarf2out.c (verify_marks_clear): New.
651 (prune_unused_types): Call verify_marks_clear initially, not
654 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
656 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
657 * doc/rtl.texi: Document them.
658 * simplify-rtx.c (simplify_unary_operation,
659 simplify_binary_operation_1): Don't abort when we see them.
661 2006-04-24 Mark Mitchell <mark@codesourcery.com>
664 2006-04-23 Mark Mitchell <mark@codesourcery.com>
665 * configure.ac: Completely disregard languages that are not
667 * configure: Regenerated.
669 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
670 Richard Guenther <rguenther@suse.de>
672 PR tree-optimization/27236
673 * tree-inline.c (copy_body_r): Make sure to copy
674 TREE_THIS_VOLATILE flag.
676 2006-04-24 Richard Guenther <rguenther@suse.de>
679 * tree-complex.c (update_parameter_components): Don't handle
680 unused parameters which have no default def.
682 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
683 Richard Guenther <rguenther@suse.de>
685 PR tree-optimization/27218
686 * tree-inline.c (expand_call_inline): Strip useless type
687 conversions for the return slot address.
689 2006-04-24 Richard Guenther <rguenther@suse.de>
691 * cfgloop.h (struct loops): Remove unused field array. Reorder
693 (LOOP_PREFETCH): Remove.
695 2006-04-24 Richard Guenther <rguenther@suse.de>
697 PR tree-optimization/22525
698 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
699 variable, adjust types of generated expressions.
701 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
703 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
704 (tree-vect-patterns.o): Likewise.
706 (cselib.o): Likewise.
707 (loop-doloop.o): Likewise.
708 (regclass.o): Likewise.
709 (reload1.o): Likewise.
710 (explow.o): Replace target.h with $(TARGET_H).
711 (ipa-prop.o): Likewise.
712 (ipa-cp.o): Likewise.
713 (ipa-inline.o): Likewise.
715 (reg-stack.o): Likewise.
717 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
719 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
721 2006-04-23 Mark Mitchell <mark@codesourcery.com>
723 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
725 * configure.ac: Completely disregard languages that are not
727 * configure: Regenerated.
730 * c-common.h (c_build_bitfield_integer_type): Declare.
731 * c-decl.c (c_build_bitfield_integer_type): Move to ...
732 * c-common.c (c_build_bitfield_integer_type): ... here.
734 2006-04-23 Roger Sayle <roger@eyesopen.com>
737 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
738 a SImode SUBREG of a floating point register after no_new_pseudos.
740 2006-04-23 Roger Sayle <roger@eyesopen.com>
742 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
743 identify potentially eliminable registers to additionally catch
744 VIRTUAL_INCOMING_ARGS_REGNUM.
745 (addsi3): Update the conditions on when to use addsi_small_int.
747 2006-04-23 Roger Sayle <roger@eyesopen.com>
750 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
751 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
752 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
754 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
756 * fold-const.c (range_predecessor): Use operand_equal_p
757 as the predicate for equality.
758 (range_successor): Likewise.
760 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
763 * config/soft-fp/op-common.h: Fix a typo.
765 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
768 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
769 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
771 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
773 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
775 * doc/tm.texi: Fix a typo.
777 2006-04-21 Geoffrey Keating <geoffk@apple.com>
779 * dwarf2out.c (struct die_struct): Document that die_sib makes
780 a circular linked list.
781 (FOR_EACH_CHILD): New.
782 (reverse_die_lists): Delete.
783 (reverse_all_dies): Delete.
784 (add_dwarf_attr): Correct documentation.
785 (remove_child_with_prev): New.
786 (remove_child_TAG): Update for change to die_struct, use
787 remove_child_with_prev.
788 (add_child_die): Update for change to die_struct.
789 (splice_child_die): Use remove_child_with_prev and add_child_die.
790 (print_die): Use FOR_EACH_CHILD.
791 (die_checksum): Likewise.
792 (assign_symbol_names): Likewise.
793 (output_location_lists): Likewise.
794 (build_abbrev_table): Likewise.
795 (calc_die_sizes): Likewise.
796 (mark_dies): Likewise.
797 (unmark_dies): Likewise.
798 (unmark_all_dies): Likewise.
799 (output_die): Likewise.
800 (prune_unused_types_mark): Likewise.
801 (prune_unused_types_walk): Likewise.
802 (same_die_p): Update for change to die_struct.
803 (break_out_includes): Likewise.
804 (prune_unused_types_prune): Likewise.
805 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
806 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
808 (dwarf2out_finish): Don't call reverse_all_dies.
810 2006-04-21 Eric Christopher <echristo@apple.com>
812 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
813 in comments and function names.
815 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
818 * c-typeck.c (digest_init): Robustify.
820 * c-typeck.c (pop_init_level): Simplify.
822 2006-04-21 Steve Ellcey <sje@cup.hp.com>
824 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
826 2006-04-21 Paul Brook <paul@codesourcery.com>
828 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
829 hardware floating point.
831 2006-04-21 David Edelsohn <edelsohn@gnu.org>
833 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
836 2006-04-21 Nick Clifton <nickc@redhat.com>
838 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
841 2006-04-21 Alan Modra <amodra@bigpond.net.au>
844 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
845 C++ lang type in traceback table for Objective-C++.
847 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
849 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
851 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
853 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
856 * tree-mudflap.c (mudflap_finish_file): Skip function when there
857 were errors. Remove check for erroneous objects.
859 2006-04-20 Jeff Law <law@redhat.com>
861 PR tree-optimization/26854
862 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
863 checking for zero or one use.
864 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
865 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
866 * tree-ssa-reassoc.c (negate_value): Similarly.
867 (reassociate_bb): Similarly.
869 2006-04-20 Jakub Jelinek <jakub@redhat.com>
871 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
872 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
873 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
875 2006-04-20 Alan Modra <amodra@bigpond.net.au>
877 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
878 fp regs if the last fp arg doesn't fit in regs.
880 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
883 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
884 that the last insn has the REG_INC note.
886 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
887 Nathan Sidwell <nathan@codesourcery.com>
890 * stor-layout.c (update_alignment_for_field): Do not align
892 (place_union_field): Place union field at the start of the union.
893 (place_field): Move ERROR_MARK check later, and use the current
894 allocation position to maintain monotonicity.
896 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
898 * dominance.c: Include timevar.h.
899 (calculate_dominance_info): Use TV_DOMINANCE.
900 * timevar.def (TV_DOMINANCE): New timevar.
901 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
903 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
905 PR rtl-optimization/14261
906 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
907 move would be an INSV insn.
908 (noce_process_if_block): Don't optimize if the destination is a
909 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
911 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
913 * config/s390/s390.md: Add comments with the instructions emitted
914 by an insn pattern if macros are used.
916 2006-04-19 Alan Modra <amodra@bigpond.net.au>
918 PR rtl-optimization/26026
919 * fold-const.c (fold_binary): Optimize div and mod where the divisor
920 is a known power of two shifted left a variable amount.
922 2006-04-18 Geoffrey Keating <geoffk@apple.com>
924 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
925 to hash table twice when the debug_str section has SECTION_MERGE.
927 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
929 * config/soft-fp: New directory. From glibc.
930 * config/soft-fp/t-softfp: New.
931 * config/soft-fp/README: New.
932 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
933 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
934 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
935 (LIBGCC_DEPS): Add $(SFP_MACHINE).
936 * config.gcc: Use rs6000/t-fprules-fpbit or
937 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
939 * config/rs6000/sfp-machine.h: New. Based on glibc.
940 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
942 * config/rs6000/t-fprules: Remove fp-bit rules.
943 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
944 * config/rs6000/t-linux64: Likewise. Remove duplicates from
945 LIB2FUNCS_EXTRA. Remove fp-bit rules.
946 (softfp_wrap_start, softfp_wrap_end): New.
948 2006-04-18 DJ Delorie <dj@redhat.com>
950 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
952 2006-04-18 Devang Patel <dpatel@apple.com>
954 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
956 2006-04-18 Nick Clifton <nickc@redhat.com>
958 * config/sh/t-symbian: Add rule to build sh-c.o
959 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
960 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
961 (sh_symbian_encode_section_info): Likewise.
963 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
965 * builtins.c (expand_builtin_strcmp): Cover label definition of
966 do_libcall with HAVE_cmpstrnsi.
968 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
970 * function.c (temp_slots_at_level, max_slot_level): Use VEC
972 * function.h (temp_slot_p): New.
973 (function): Change the type of x_used_temp_slots to
974 VEC(temp_slot_p,gc) *.
976 2006-04-18 Nick Clifton <nickc@redhat.com>
978 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
979 flag_strength_reduce.
981 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
983 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
987 Partial revert of revision 112637
988 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
989 Dale Johannesen <dalej@apple.com>
992 * regclass.c (struct reg_pref): Update documentation.
993 (regclass): Set prefclass to NO_REGS if memory is the best option.
994 (record_reg_classes): Cope with a prefclass set to NO_REGS.
996 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
998 PR tree-optimization/26821
999 * tree-ssa-math-opts.c (get_constant_one): New.
1000 (insert_reciprocals): Use it.
1002 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1004 * dwarf2out.c (free_AT): Delete.
1005 (remove_AT): Update string ref counts.
1006 (remove_child_TAG): Don't call free_die.
1008 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1009 or DW_TAG_GNU_EINCL.
1010 (prune_unused_types_walk_attribs): Reset string refcounts.
1011 (prune_unused_types_update_strings): New.
1012 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1013 call free_die. Do call prune_unused_types_update_strings.
1014 (prune_unused_types): Empty debug_str_hash.
1016 2006-04-17 Roger Sayle <roger@eyesopen.com>
1018 * expr.c (expand_assignment): Optimize away no-op moves where the
1019 source and destination are equal and have no side-effects.
1021 2006-04-17 Richard Guenther <rguenther@suse.de>
1024 * reload.c (push_reload): Guard calls to get_secondary_mem
1027 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1029 * alias.c (reg_base_value, old_reg_base_value): Change the
1030 type to VEC(rtx,gc) *.
1031 (REG_BASE_VALUE, find_base_value, record_set,
1032 init_alias_analysis): Use VEC instead of VARRAY.
1034 * alias.c (alias_sets): Change the type to
1035 VEC(alias_set_entry,gc) *.
1036 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1037 VEC instead of VARRAY.
1038 (last_alias_set): Remove.
1040 * cgraph.h (cgraph_edge_p): New.
1041 Update the prototype of cgraph_function_versioning.
1042 * cgraphunit.c (cgraph_copy_node_for_versioning,
1043 cgraph_function_versioning): Use VEC instead of VARRAY.
1044 * ipa-cp.c (ipcp_insert_stage): Likewise.
1046 2006-04-16 Roger Sayle <roger@eyesopen.com>
1049 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1050 "A op B" or "A op C", we may need to convert A to the type of B and C.
1052 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1054 * target.h (struct gcc_target): Add mode_rep_extended.
1055 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1056 (init_num_sign_bit_copies_in_rep): Initialize it using
1058 (truncate_to_mode): Use it.
1059 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1060 * targhooks.h (default_mode_rep_extended): Declare it.
1061 * targhooks.c (default_mode_rep_extended): Define it.
1062 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1063 default_mode_rep_extended.
1064 (TARGET_INITIALIZER): Include it.
1065 * doc/tm.texi (Misc): Document it.
1066 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1067 (mips_truncated_to_mode): New function.
1069 2006-04-16 Roger Sayle <roger@eyesopen.com>
1072 * expr.c (compress_float_constant): Copy the narrow constant into
1073 a new pseudo before extending it to its final width.
1075 2006-04-16 Roger Sayle <roger@eyesopen.com>
1076 Andrew Pinski <pinskia@gcc.gnu.org>
1077 Dale Johannesen <dalej@apple.com>
1080 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1081 special case code to implement V8HImode and V16QImode with SSE2.
1083 2006-04-15 Roger Sayle <roger@eyesopen.com>
1085 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1086 trees are constructed with a suitable tree type.
1088 2006-04-15 Roger Sayle <roger@eyesopen.com>
1090 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1091 (integer_onep): Likewise.
1092 (integer_all_onesp): Likewise.
1093 (integer_pow2p): Likewise.
1094 (integer_nonzerop): Likewise.
1095 (real_zerop): Likewise.
1096 (real_onep): Likewise.
1097 (real_twop): Likewise.
1098 (real_minus_onep): Likewise.
1099 (int_size_in_bytes): Likewise.
1100 (host_integerp): Likewise.
1102 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1104 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1105 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1106 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1108 * tree-ssa-structalias.h (alias_info): Remove num_references.
1110 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1112 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1113 (output_bvb patterns): Likewise.
1114 * pa.c (output_bb): Use 'bb' insn for long branch case.
1115 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1116 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1117 1. Correct length operand for alternatives 1 and 2.
1118 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1119 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1121 2006-04-14 Roger Sayle <roger@eyesopen.com>
1123 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1124 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1125 were accidentally reverted by r112959.
1127 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1130 * except.h (eh_region_outermost): New prototype.
1131 * except.c (eh_region_outermost): New function.
1132 * tree-cfg.c (find_outermost_region_in_block): Use it.
1134 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1136 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1138 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1139 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1140 (init_reload, reload): Use VEC instead of VARRAY.
1141 * reload.h: Update the prototype for
1142 reg_equiv_memory_loc_varray.
1144 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1145 Eric Botcazou <ebotcazou@libertysurf.fr>
1147 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1150 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1153 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1154 to expand fallback builtin function call.
1156 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1159 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1160 and emit libcall here in case the builtin fails.
1161 (expand_builtin_strcmp): Always emit the libcall here on failure.
1163 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1165 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1166 * flow.c (reg_n_info): Change the type to
1167 VEC(reg_info_p,heap) *.
1168 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1170 * regs.h (reg_info_p): New.
1171 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1172 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1173 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1176 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1178 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1180 * params.h (MAX_SCHED_READY_INSNS): New macro.
1181 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1182 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1183 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1184 the ready list for 1 cycle during the first scheduling pass.
1185 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1187 2006-04-13 Richard Henderson <rth@redhat.com>
1190 * gimple-low.c (lower_omp_directive): Remove dead code.
1191 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1192 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1193 * omp-low.c (struct omp_region): Move to tree-flow.h.
1194 (root_omp_region): Export.
1195 (omp_regions, lookup_omp_region): Remove.
1196 (determine_parallel_type): Update for struct omp_region changes.
1197 (dump_omp_region): Dump regions with block numbers.
1198 (new_omp_region): Take type and block instead of stmt; malloc
1200 (free_omp_region_1, free_omp_regions): New.
1201 (expand_parallel_call): Take entry_stmt as argument; update for
1202 changes to omp_region.
1203 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1204 (remove_exit_barriers): New.
1205 (expand_omp_parallel): Update for struct omp_region changes.
1206 (expand_omp_synch): Likewise.
1207 (expand_omp): Likewise.
1208 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1209 (expand_omp_for_static_chunk): Likewise.
1210 (expand_omp_for): Likewise.
1211 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1212 (expand_omp_sections): Similarly, with GOMP_sections_end.
1213 (expand_omp_single): New.
1214 (build_omp_regions_1): Update for OMP_CONTINUE.
1215 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1216 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1217 OMP_SECTIONS_SECTIONS.
1218 (lower_omp_single_simple): Don't emit barrier here.
1219 (lower_omp_single_copy): Likewise.
1220 (lower_omp_single): Fix bindings, and lower to straightline now.
1221 (lower_omp_master, lower_omp_ordered): Likewise.
1222 (lower_omp_critical): Likewise.
1223 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1224 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1225 omp edges, free it afterward.
1226 (make_omp_sections_edges): Remove.
1227 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1228 (move_stmt_r): Handle OMP_CONTINUE.
1229 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1230 statement pointers to basic blocks. Add type member.
1231 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1232 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1233 * tree-inline.c (estimate_num_insns_1): Likewise.
1234 * tree-pretty-print.c (dump_generic_node): Likewise.
1235 * tree-ssa-operands.c (get_expr_operands): Likewise.
1236 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1237 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1238 (OMP_CONTINUE): New.
1239 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1240 (OMP_SECTIONS_SECTIONS): Remove.
1241 (OMP_SECTION_LAST): New.
1242 (OMP_RETURN_NOWAIT): New.
1244 2006-04-13 Roger Sayle <roger@eyesopen.com>
1246 * fold-const.c (native_encode_vector, native_interpret_real):
1247 Correct obvious mistakes in the previous check-in.
1249 2006-04-13 Roger Sayle <roger@eyesopen.com>
1251 * fold-const.c (native_encode_expr): New function to encode
1252 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1253 or VECTOR_CST into a specified buffer.
1254 (native_encode_int): New function.
1255 (native_encode_real): New function.
1256 (native_encode_complex): New function.
1257 (native_encode_vector): New function.
1258 (native_interpret_expr): Inverse of native_encode_expr to convert
1259 a target representation into an INTEGER_CST, REAL_CST etc...
1260 (native_interpret_int): New function.
1261 (native_interpret_real): New function.
1262 (native_interpret_complex): New function.
1263 (native_interpret_vector): New function.
1264 (fold_view_convert_expr): New function to constant fold/evaluate
1265 a VIEW_CONVERT_EXPR of a suitable constant expression.
1266 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1267 Change call of build1 to fold_build1 when constructing a
1270 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1271 Ulrich Weigand <uweigand@de.ibm.com>
1274 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1277 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1280 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1281 optimize to lo_sum for DFmode if !TARGET_FPRS.
1283 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1285 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1286 delete_alias_info, compute_flow_sensitive_aliasing,
1287 group_aliases): Use VEC instead of VARRAY.
1288 * tree-ssa-structalias.c (update_alias_info): Likewise.
1289 * tree-ssa-structalias.h (alias_info): Change the type of
1290 processed_ptrs to VEC(tree,heap) *.
1292 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1295 * config/sh/lib1funcs.h: New file, broken out of:
1296 * config/sh/lib1funcs.asm.
1297 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1299 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1300 * config/sh/lib1funcs-Os-4-200.asm: New file.
1301 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1302 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1303 (EXTRA_MULTILIB_PARTS): Include it.
1304 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1305 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1306 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1307 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1310 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1312 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1313 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1314 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1316 * tree-ssa-live.h: Include vecprim.h.
1317 (tree_partition_associator_d): Change the type of
1318 first_partition to VEC(int,heap) *.
1319 (tpa_first_partition): Use VEC instead of VARRAY.
1321 * Makefile.in (GTFILES): Move functions.h after tree.h.
1322 * function.c (reset_block_changes, record_block_change,
1323 check_block_change, free_block_changes): Use VEC instead of
1325 * function.h (function): Change the type of
1326 ib_boundaries_block to VEC(tree,gc) *.
1327 * tree-inline.c (copy_cfg_body): Initialize
1328 ib_boundaries_block to NULL instead of (varray_type) 0.
1330 2006-04-12 Roger Sayle <roger@eyesopen.com>
1332 * expr.c (emit_group_store): Correct operand order in call to
1333 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1334 a SUBREG_BYTE of zero.
1336 2006-04-12 Richard Guenther <rguenther@suse.de>
1338 * profile.c (compute_branch_probabilities): Remove code
1339 encapsulated in !ir_type (), which are remanents of the
1340 removed RTL profiling code.
1341 * rtl-profile.c: Remove.
1343 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1345 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1346 magic NULL_RTX comment.
1347 (function_arg): Store entire fp arg to mem if any part should go
1349 (rs6000_arg_partial_bytes): Adjust for above change.
1351 2006-04-11 Roger Sayle <roger@eyesopen.com>
1353 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1354 if it hasn't been initialized by dwarf2out_init.
1356 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1358 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1359 symbolic constants in branch patterns.
1361 2006-04-11 Roger Sayle <roger@eyesopen.com>
1363 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1365 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1367 PR rtl-optimization/27073
1368 * gcse.c (try_replace_reg): Revert last change. Continue to search
1369 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1372 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1374 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1375 aggregate types other than record and union types.
1376 (function_arg): Likewise.
1377 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1379 (function_value): In 64-bit mode, return objects that require it
1382 2006-04-11 Roger Sayle <roger@eyesopen.com>
1384 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1386 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1388 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1390 2006-04-03 Jeff Law <law@redhat.com>
1393 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1394 alias information too.
1396 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1398 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1400 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1403 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1404 (premark_used_types_helper): New.
1405 (premark_used_types): New.
1406 (gen_subprogram_die): Call premark_used_types.
1407 (prune_unused_types_walk): Do not prune perennial dies.
1408 * function.c (used_types_insert): New.
1409 * function.h (struct function): Add used_types_hash field.
1410 (used_types_insert): Add prototype.
1411 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1412 * c-parser.c (c_parser_cast_expression): Save casted types in used
1415 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1418 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1419 rs6000_explicit_options.float_gprs.
1421 2006-04-10 Roger Sayle <roger@eyesopen.com>
1423 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1424 from ix86_expand_vector_init_low_nonzero. Take an additional
1425 one_var argument indicating which element is non-zero. Support
1426 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1427 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1428 with one_var instead of ix86_expand_vector_init_low_nonzero.
1430 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1432 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1433 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1434 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1435 build/genextract.o): Depend on vecprim.h.
1436 * cfglayout.c, df-problems.c, function.c, genextract.c,
1437 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1438 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1442 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1444 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1445 Declare VECs of this type.
1446 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1447 (remove_children): Delete.
1448 (add_dwarf_attr): Use VEC routines.
1449 (add_AT_flag): Update for changes to add_dwarf_attr.
1450 (add_AT_int): Likewise.
1451 (add_AT_unsigned): Likewise.
1452 (add_AT_long_long): Likewise.
1453 (add_AT_vec): Likewise.
1454 (add_AT_string): Likewise.
1455 (add_AT_die_ref): Likewise.
1456 (add_AT_fde_ref): Likewise.
1457 (add_AT_loc): Likewise.
1458 (add_AT_loc_list): Likewise.
1459 (add_AT_addr): Likewise.
1460 (add_AT_lbl_id): Likewise.
1461 (add_AT_lineptr): Likewise.
1462 (add_AT_macptr): Likewise.
1463 (add_AT_offset): Likewise.
1464 (add_AT_range_list): Likewise.
1465 (get_AT): Use VEC_iterate.
1466 (remove_AT): Use VEC_ordered_remove.
1467 (free_die): Fold remove_children into here; have it use VEC_iterate.
1468 (print_die): Use VEC_iterate on attrs.
1469 (reverse_die_lists): Don't reverse attr lists.
1470 (die_checksum): Use VEC_iterate on attrs.
1471 (same_die_p): Likewise.
1472 (output_location_lists): Likewise.
1473 (build_abbrev_table): Likewise.
1474 (size_of_die): Likewise.
1475 (unmark_all_dies): Likewise.
1476 (output_abbrev_section): Likewise.
1477 (output_die): Likewise.
1478 (prune_unused_types_walk_attribs): Likewise.
1480 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1482 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1484 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1487 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1489 2006-04-09 Roger Sayle <roger@eyesopen.com>
1491 * expr.c (store_constructor): Don't bother clearing target if
1492 we're about to assign a vector to it using vec_init_optab.
1494 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1496 * tree-ssa-alias.c (lhs_may_store_to): New function.
1497 (recalculate_used_alone): Handle LHS of calls.
1499 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1503 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1504 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1505 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1506 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1507 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1508 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1509 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1510 stubs. Add ".align 8" directives before all ".dword" directives.
1511 (GTHREAD_USE_WEAK): Revise comment.
1512 (TARGET_ATTRIBUTE_WEAK): Define.
1513 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1514 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1515 * stublib.c: New file.
1520 * pa.md (cbranch patterns): Revise arguments used in calls to
1521 output_cbranch, output_bb and output_bvd. Add long branch length
1523 (fbranch patterns): Handle long branches.
1524 (jump): Revise length check. Revise arguments for output_lbranch call.
1525 Add long branch length attributes.
1526 (decrement_and_branch_until_zero): Add long branch length attributes.
1527 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1528 Likewise. Revise arguments for output_parallel_addb and
1529 output_parallel_movb calls.
1530 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1531 output_parallel_movb and output_parallel_addb): Update prototypes.
1532 * pa.c (output_cbranch): Revise arguments. Correct handling of
1533 nullification in long branches.
1534 (output_lbranch): Add new argument to control extraction of delay
1536 (output_bb): Handle long branches.
1537 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1538 output_parallel_addb): Likewise.
1540 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1542 PR rtl-optimization/27073
1543 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1546 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1548 * tree.h (tree_memory_tag): Add old_used_alone.
1549 (SMT_OLD_USED_ALONE): New macro.
1550 * tree-ssa-alias.c (recalculate_used_alone): Stop
1551 marking things for renaming unnecessarily.
1553 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1555 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1556 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1557 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1558 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1559 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1560 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1561 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1562 spelling convensions.
1563 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1564 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1565 typos. Follow spelling conventions.
1567 2006-04-07 DJ Delorie <dj@redhat.com>
1569 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1570 passed on the stack.
1571 (m32c_init_cumulative_args): When a function returns a structure,
1572 always pass the pointer to that return area on the stack.
1573 (m32c_function_arg_advance): Don't increment the parameter number
1574 if we're processing the returned structure pointer.
1575 (pushm_info): Reverse order of registers.
1577 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1579 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1580 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1581 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1582 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1584 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1585 chrec_fold_multiply): Same.
1586 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1587 force_expr_to_var_cost): Same.
1588 * tree-mudflap.c (mf_xform_derefs_1): Same.
1589 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1591 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1593 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1594 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1597 2006-04-07 Jan Hubicka <jh@suse.cz>
1599 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1601 2006-04-07 Richard Guenther <rguenther@suse.de>
1603 PR tree-optimization/26135
1604 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1605 loads for store copy-prop.
1606 (copy_prop_visit_stmt): Likewise.
1608 2006-04-05 Robert Millan <robertmh@gnu.org>
1610 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1611 being overriden in config/k*bsd-gnu.h.
1612 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1614 * gcc/config/knetbsd-gnu.h: Ditto.
1616 2006-04-06 Jan Hubicka <jh@suse.cz>
1620 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1623 2006-04-06 Mike Stump <mrs@apple.com>
1625 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1626 for HAVE_nonlocal_goto to be consistent.
1627 (expand_builtin_nonlocal_goto): Likewise.
1628 (expand_builtin_strcmp): Use #ifdef instead of #if
1629 for HAVE_cmpstrnsi to be consistent.
1631 2006-04-05 DJ Delorie <dj@redhat.com>
1633 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1636 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1638 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1639 got-relative addressing for anything but SImode.
1641 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1642 even if the calling function doesn't modify them.
1644 2006-04-05 Richard Guenther <rguenther@suse.de>
1646 PR tree-optimization/26919
1647 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1648 to cgraph_estimate_size_after_inlining.
1650 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1652 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1654 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1656 PR tree-optimization/26996
1657 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1658 VECTOR_TYPE variables.
1660 2006-04-05 Richard Guenther <rguenther@suse.de>
1662 PR tree-optimization/26763
1663 * fold-const.c (fold_comparison): Move folding of
1664 PTR + CST CMP PTR + CST ...
1665 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1667 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1669 * doc/install.texi (Prerequisites): Refine some wording on
1670 bootstrapping and ksh.
1671 Move the version numbers of DejaGnu here from the testing section
1672 and fix casing of names.
1673 Fix markup and clarify wording for autogen requirements.
1674 Refer to GCJ instead of just java.
1675 Refer to SVN instead of CVS.
1676 Describe diffutils as useful instead of necessary.
1677 (Downloading the source): Refer to SVN instead of CVS.
1678 Adjust a link to our web site accordingly.
1679 (Configuration): Fix casing of Bison.
1680 (Building): Refer to SVN instead of CVS.
1681 Fix a sentence on the use of Bison and remove duplicate (and
1682 incorrect) version number of Bison requirement.
1683 Remove one redundant list of packages needed for building.
1684 (Specific): Avoid reference to CVS.
1686 2006-04-04 Eric Christopher <echristo@apple.com>
1688 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1689 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1690 (rs6000_handle_struct_attribute): New.
1691 (rs6000_ms_bitfield_layout_p): Ditto.
1693 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1695 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1696 NULL for dso parameter to atexit_common.
1698 2006-04-04 Eric Christopher <echristo@apple.com>
1700 * config/i386/i386.c (machopic_output_stub): Output \t
1701 between instructions and operands.
1703 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1705 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1706 satisfies_constraint_[IL] to explicit tests on value.
1708 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1710 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1711 set_nb_iterations_in_loop): Use build_int_cst instead of
1713 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1714 build_int_cst instead of convert.
1716 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1718 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1719 new value 2 for incoming.
1720 * function.c (expand_function_start): Call struct_value_rtx
1722 * config/sparc/sparc.md: Comment updated_return.
1723 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1724 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1725 struct return if sparc_std_struct_return and incoming is 2.
1726 (print_operand): Do not adjust return if
1727 sparc_std_struct_return.
1729 2006-04-04 Roger Sayle <roger@eyesopen.com>
1731 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1732 convert in the middle-end.
1733 * expr.c (store_expr, store_constructor, get_inner_reference,
1734 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1736 * tree.c (build_range_type): Likewise.
1738 2006-04-04 Tom Tromey <tromey@redhat.com>
1740 * doc/install.texi (Prerequisites): Mention jar.
1742 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1744 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1747 2006-04-04 Matthias Klose <doko@debian.org>
1749 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1750 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1753 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1755 * doc/extend.texi (Function Attributes): Rewrite visibility
1756 attribute documentation.
1757 * doc/invoke.texi (C++ Dialect Options): Rewrite
1758 -fvisibility-inlines-hidden documentation to describe something
1759 entirely different, although in practise compatible.
1760 (Code Gen Options): Warn about system headers in -fvisibiltity=
1763 * doc/extend.texi (Other Builtins): Document that
1764 __builtin_nan is a compile-time constant only when its argument
1767 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1769 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1770 trying to remove TRUNCATE check if all bits outside the new mode
1771 are identical to the sign bit.
1773 2006-04-03 Jeff Law <law@redhat.com>
1775 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1776 and operand scanning in some common cases.
1778 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1779 Dale Johannesen <dalej@apple.com>
1782 * regclass.c (struct reg_pref): Update documentation.
1783 (regclass): Set prefclass to NO_REGS if memory is the best option.
1784 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1785 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1786 into account. For non-registers, equate an empty preferred
1787 reload class to a `!' in the constraint; move the if clause to
1788 do so after those that reject the insn.
1789 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1791 (find_dummy_reload): Likewise.
1792 * doc/tm.texi (Register Classes): Document what it means
1793 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1794 * config/i386/i386.c (ix86_preferred_reload_class): Force
1795 using SSE registers (and return NO_REGS for floating-point
1796 constants) if math is done with SSE.
1797 (ix86_preferred_output_reload_class): New.
1798 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1799 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1800 * config/i386/i386.md: Remove # register preferences.
1802 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1805 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1806 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1807 the type of nb_iter.
1808 (instantiate_parameters_1): Convert the operands before calling
1809 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1810 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1812 2006-04-02 Roger Sayle <roger@eyesopen.com>
1814 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1815 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1817 * dojump.c (do_jump): Likewise.
1818 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1819 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1820 gimplify_boolean_expr): Likewise.
1821 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1822 * varasm.c (array_size_for_constructor): Likewise.
1823 * tree-object-size.c (compute_object_offset): Likewise.
1825 2006-04-02 Roger Sayle <roger@eyesopen.com>
1828 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1829 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1831 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1833 PR tree-optimization/26939
1834 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1836 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1838 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1839 at_stmt. Convert the type of operands before calling
1840 build_polynomial_chrec.
1841 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1843 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1844 (instantiate_parameters_1): Convert the type of operands before calling
1845 build_polynomial_chrec.
1846 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1847 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1848 reset_evolution_in_loop): Insert asserts to check the types of the
1850 (chrec_type): Moved...
1851 (eq_evolutions_p): Use operand_equal_p.
1852 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1853 the types of the operands.
1854 (chrec_type): ...here.
1855 * tree-data-ref.c (create_data_ref): Convert the operands before
1856 calling chrec_replace_initial_condition.
1857 (same_access_functions, analyze_subscript_affine_affine,
1858 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1859 (compute_subscript_distance, analyze_ziv_subscript,
1860 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1861 analyze_miv_subscript): Convert the operands before calling
1862 chrec_fold_minus or chrec_fold_plus.
1864 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1866 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1867 the dependence_relations vector.
1868 (compute_data_dependences_for_loop): Adjust call to
1869 compute_all_dependences.
1871 2006-04-01 Roger Sayle <roger@eyesopen.com>
1872 Richard Henderson <rth@redhat.com>
1874 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1875 gimple_boolify on the condition before calling gimplify_expr.
1877 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1879 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1880 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1881 the frame size. Update to use the new macros.
1882 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1883 * config/xtensa/ieee754-df.S: Likewise.
1885 2006-03-31 Richard Henderson <rth@redhat.com>
1887 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1888 (make_edges): ... here. Control fallthru creation with a local
1889 variable. Do not play with fake edges.
1890 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1891 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1894 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1896 * dwarf2.h (DW64_CIE_ID): Define.
1897 * dwarf2out.c (DWARF_CIE_ID): Define.
1898 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1899 length header. Use DWARF_CIE_ID.
1900 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1901 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1903 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1905 * config/sh/linux-atomic.asm: New file.
1906 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1908 2006-03-31 DJ Delorie <dj@redhat.com>
1910 * config/m32c/cond.md: Set condition flags properly throughout.
1911 * config/m32c/minmax.md: Likewise.
1912 * config/m32c/prologue.md: Likewise.
1913 * config/m32c/bitops.md: Likewise.
1914 * config/m32c/muldiv.md: Likewise.
1915 * config/m32c/mov.md: Likewise.
1916 * config/m32c/addsub.md: Likewise.
1917 * config/m32c/m32c.md: Likewise.
1918 * config/m32c/jump.md: Likewise.
1919 * config/m32c/shift.md: Likewise.
1921 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1922 conditionally output the pattern for this.
1923 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1924 (m32c_compare_redundant): New.
1925 (m32c_output_compare): New.
1926 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1928 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1929 dest, not src. Allow other 4-byte modes.
1931 2006-03-30 Denis Chertykov <denisc@overta.ru>
1933 * doc/md.texi: Refer to avr/constraints.md instead of
1936 2006-03-30 Roger Sayle <roger@eyesopen.com>
1938 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1939 signed vs. unsigned comparison failures on some hosts.
1941 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1944 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1945 change to FLOAT_REGS.
1947 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1948 (rs6000_override_options): Use it.
1949 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1950 only for -mabi=spe/no-spe and -mabi=altivec.
1952 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1954 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1957 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1959 * Makefile.in: Rename docdir to gcc_docdir.
1961 2006-03-30 Roger Sayle <roger@eyesopen.com>
1964 * expr.c (emit_group_store): Optimize group stores into a pseudo
1965 register by using a paradoxical subreg to initialize the destination
1966 if the first or last member of the group specifies a "low part".
1968 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1971 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1972 * target.h (struct gcc_target.speculate_insn): Change type of the
1973 second parameter to 'int'.
1974 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1975 the second operand of the DEPS_LIST.
1976 (copy_DEPS_LIST_list): Update reference to the second operand of the
1978 * rtl.h (alloc_DEPS_LIST): Update signature.
1979 * sched-int.h (ds_t): Change typedef to 'int'.
1980 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1982 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1984 * haifa-sched.c (try_ready): Change condition to restore
1985 non-speculative pattern of the instruction.
1986 (process_insn_depend_be_in_spec): Code to keep probability of the
1987 speculative dependence non-decreasing.
1989 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1991 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1992 (single_move_for_movmem): ... this. Also change all uses.
1993 (bfin_expand_strmov): Renamed to...
1994 (bfin_expand_movmem): ... this. Also change all uses.
1995 * config/bfin/bfin.md (movstrsi): Renamed to...
1996 (movstrsi): ...this.
1998 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2000 PR tree-optimization/26830
2002 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2003 (copy_prop_visit_stmt): Remove write-only variable ann.
2004 (init_copy_prop): Check variable loop depth here. Do not simulate
2005 memory-tag and virtual operand PHIs except for store copy prop.
2007 2006-03-30 Richard Guenther <rguenther@suse.de>
2009 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2010 variants with double arguments.
2012 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2014 * genpreds.c (write_tm_constrs_h): Delete variable p.
2015 * genconditions.c (write_header): Add tm-constrs.h to included
2017 * genpeep.c (main): Add toplev.h to included headers.
2018 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2019 (build/genpeep.o): Add toplev.h dependency.
2020 * config/rs6000/constraints.md: Add "W" constraint.
2022 2006-03-29 Roger Sayle <roger@eyesopen.com>
2024 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2025 sizes by correctly testing whether the size fits a host integer.
2026 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2027 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2028 SImode range for the default sizetype and bitsizetype.
2030 2006-03-29 Roger Sayle <roger@eyesopen.com>
2032 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2033 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2034 quickly if the argument is already of the correct type.
2035 Call fold_build1 instead of build1. Tidy up blank lines.
2037 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2039 * genemit.c (main): Add tm-constrs.h to included headers.
2040 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2041 * genpeep.c (main): Add tm-constrs.h to included headers.
2042 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2043 (write_tm_constrs_h): this and write complete file.
2044 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2045 (write_insn_preds_c): Add tm-constrs.h to included headers.
2046 (gen_constrs): New variable.
2047 (parse_option): Parse "-c".
2048 (main): Invoke write_tm_constrs_h.
2049 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2050 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2051 (object_out_file): Add tm-constrs.h dependency.
2052 (insn-emit.o): Same.
2053 (insn-output.o): Same.
2054 (insn-peep.o): Same.
2055 (insn-preds.o): Same.
2056 (insn-recog.o): Same.
2057 (tm-constsr.h): New target.
2058 (s-constrs-h): New target.
2060 * config/rs6000/constraints.md: New file.
2061 * config/rs6000/rs6000.c: Include tm-constrs.h.
2062 (num_insn_constant_wide): Convert to satisfies_constraint.
2063 (rs6000_rtx_costs): Convert to satisfies_constraint.
2064 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2065 (CONST_OK_FOR_LETTER_P): Delete.
2066 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2067 (EXTRA_CONSTRAINT): Delete.
2068 (EXTRA_MEMORY_CONSTRAINT): Delete.
2069 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2070 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2071 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2072 satisfies_constraint.
2074 * config/i386/i386.c: Include tm-constrs.h.
2076 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2078 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2079 * tree-data-ref.c (find_data_references_in_loop,
2080 compute_data_dependences_for_loop): Use pointers to VEC.
2081 (analyze_all_data_dependences): Adjust calls.
2082 * tree-data-ref.h (find_data_references_in_loop,
2083 compute_data_dependences_for_loop): Adjust declarations.
2084 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2085 compute_data_dependences_for_loop.
2087 2006-03-29 Paul Brook <paul@codesourcery.com>
2089 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2092 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2094 PR tree-optimization/26859
2095 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2097 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2098 for the step after fold_convert.
2100 2006-03-29 Paul Brook <paul@codesourcery.com>
2102 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2103 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2105 2006-03-29 Paul Brook <paul@codesourcery.com>
2108 * targhooks.c (default_narrow_bitfield): New fuction.
2109 * targhooks.h (default_narrow_bitfield): add prototype.
2110 * target.h (gcc_target): Add narrow_volatile_bitfield.
2111 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2112 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2113 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2114 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2116 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2118 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2120 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2121 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2122 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2123 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2124 (s390_function_arg_float): Allow SDmode and DDmode values to be
2125 passed in floating point registers.
2126 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2127 check with SCALAR_FLOAT_MODE_P.
2128 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2130 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2132 PR tree-optimization/25985
2133 * tree-ssa-loop-niter.c (number_of_iterations_le,
2134 number_of_iterations_ne): Make comments more precise.
2135 (number_of_iterations_cond): Add only_exit argument. Use the
2136 fact that signed variables do not overflow only when only_exit
2138 (loop_only_exit_p): New.
2139 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2140 number_of_iterations_cond.
2142 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2144 PR tree-optimization/26643
2145 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2148 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2150 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2151 (divsi3_i4_int): Likewise.
2153 2006-03-28 Roger Sayle <roger@eyesopen.com>
2155 * expr.c (emit_group_store): Only create a new pseudo reg if the
2156 quantity it needs to hold isn't already a suitable pseudo.
2158 2006-03-28 Jeff Law <law@redhat.com>
2160 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2161 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2163 2006-03-28 Roger Sayle <roger@eyesopen.com>
2165 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2166 the equivalent ~X & Y, and the symmetry related transformations.
2167 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2168 ~X & Y, and symmetry related transforms.
2170 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2172 Revert my 2006-03-27 patches.
2174 2006-03-28 Roger Sayle <roger@eyesopen.com>
2176 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2177 ~(T1)X, when T1 and T2 are integer types of the same precision
2178 and (T2)X isn't an extension.
2180 2006-03-28 Jeff Law <law@redhat.com>
2182 PR tree-optimization/26796
2183 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2184 need EH edge cleanups rather than purging them immediately.
2185 (eliminate_degenerate_phis): Handle queued EH cleanups.
2187 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2189 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2192 2006-03-27 Roger Sayle <roger@eyesopen.com>
2195 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2196 cast BIT_NOT_EXPR operand to the correct type.
2198 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2200 * tree-loop-linear.c: Don't include varray.h.
2201 (gather_interchange_stats, try_interchange_loops,
2202 linear_transform_loops): Use VEC instead of VARRAY.
2203 * lambda-mat.c: Don't include varray.h.
2204 * tree-chrec.c: Same.
2205 * lambda-trans.c: Same.
2206 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2207 VEC instead of VARRAY.
2208 * tree-vectorizer.h: Idem.
2209 * tree-data-ref.c (dump_data_references,
2210 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2211 initialize_data_dependence_relation, finalize_ddr_dependent,
2212 compute_all_dependences, find_data_references_in_loop,
2213 compute_data_dependences_for_loop, analyze_all_data_dependences,
2214 free_dependence_relation, free_dependence_relations,
2215 free_data_refs): Idem.
2216 * tree-data-ref.h (data_reference_p, subscript_p): New.
2217 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2218 VEC instead of VARRAY.
2219 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2220 (find_data_references_in_loop, compute_data_dependences_for_loop,
2221 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2222 dump_data_dependence_relations, free_dependence_relations,
2223 free_data_refs): Adjust declaration.
2224 (lambda_transform_legal_p): Move declaration here...
2225 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2226 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2227 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2228 vect_analyze_data_refs): Use VEC instead of VARRAY.
2229 * lambda.h (lambda_transform_legal_p): ...from here.
2230 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2231 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2232 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2233 tree-chrec.o): Don't depend on VARRAY_H.
2235 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2237 * rtl.def (Copyright): Update date.
2238 (DEPS_LIST): Change type of the second operand to 'int'.
2239 * target.h (Copyright): Update date.
2240 (struct gcc_target.speculate_insn): Change type of the second parameter
2242 * lists.c (Copyright): Update date.
2243 (alloc_DEPS_LIST): Change signature. Update reference to the second
2244 operand of the DEPS_LIST.
2245 (copy_DEPS_LIST_list): Update reference to the second operand of the
2247 * rtl.h (Copyright): Update date.
2248 (alloc_DEPS_LIST): Update signature.
2249 * sched-int.h (Copyright): Update date.
2250 (ds_t): Change typedef to 'int'.
2251 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2253 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2255 * haifa-sched.c (Copyright): Update date.
2256 (try_ready): Change condition to restore non-speculative pattern
2258 (process_insn_depend_be_in_spec): Code to keep probability of the
2259 speculative dependence non-decreasing.
2261 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2263 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2264 shut up the compiler.
2266 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2268 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2269 to use lib prefix for target.
2270 ($(T)libic_invalidate_array_4-200.a): Likewise.
2271 ($(T)libic_invalidate_array_4a.a): Likewise.
2273 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2274 J"orn Rennecke <joern.rennecke@st.com>
2276 * superh.opt: New file.
2277 * sh.c (boardtype, osruntime): Remove.
2278 * superh.h (SUBTARGET_OPTIONS): Remove.
2279 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2281 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2282 arguments with ^ and/or [].
2284 * config.gcc (sh-*-*): Add quoting to account for quirk of
2286 Replace == with = in enable_incomplete_targets test.
2288 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2289 with MASK_LITTLE_ENDIAN.
2291 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2292 * config/sh/sh.opt: Added to some comments.
2293 * config/sh/superh.h: Removed some chaff.
2295 * config/sh/sh.opt: Add m4-[1234]00* options.
2296 * config/sh/sh.c (sh_handle_option): Likewise.
2297 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2298 (ic_invalidate_array_4-100.o): New rule.
2299 ($(T)libic_invalidate_array_4-100.a): Likewise.
2300 (ic_invalidate_array_4-200.o): Likewise.
2301 ($(T)libic_invalidate_array_4-200.a): Likewise.
2302 (ic_invalidate_array_4a.o): Likewise.
2303 ($(T)libic_invalidate_array_4a.a): Likewise.
2304 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2305 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2307 * config/sh/crt1.asm: Merged in profiling code.
2308 * config/sh/superh.h (STARTFILE_SPEC): Override.
2309 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2310 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2311 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2313 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2314 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2315 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2317 * sh.opt (mpretend-cmove): New option.
2318 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2319 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2320 (movsicc): Add TARGET_PRETEND_CMOVE code.
2322 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2324 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2325 s390_class_max_nregs): New function prototypes.
2326 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2327 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2328 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2329 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2331 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2333 * dwarf2out.c (add_location_or_const_value_attribute): Call
2334 tree_add_const_value_attribute if nothing else works.
2335 (reference_to_unused): New.
2336 (rtl_for_decl_init): Use reference_to_unused to decide whether
2337 to output an initializer.
2339 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2342 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2343 peephole removing spe frob_di_df_2.
2345 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2347 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2348 (subscript_dependence_tester_1): Declared.
2349 (print_dir_vectors, print_dist_vectors): New.
2350 (debug_data_dependence_relation): New.
2351 (dump_data_dependence_relation): Print more details.
2352 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2353 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2354 (save_dist_v, save_dir_v, add_outer_distances,
2355 build_classic_dist_vector_1): New.
2356 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2357 Don't test for lambda_vector_lexico_pos.
2358 (same_access_functions, add_multivariate_self_dist,
2359 add_other_self_distances, dir_from_dist): New.
2360 (build_classic_dir_vector): Replace implementation almost identical to
2361 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2363 (subscript_dependence_tester_1): New.
2364 (subscript_dependence_tester): Handle the lexicographically negative
2365 distance vectors by recomputing the dependence relation.
2366 (compute_affine_dependence): Remove parameter loop_nest_depth.
2367 (compute_self_dependence): Don't call compute_subscript_distance.
2368 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2369 Add a parameter for the loop_nest.
2370 (find_loop_nest_1, find_loop_nest): New.
2371 (compute_data_dependences_for_loop): Compute the loop nest, and give
2372 up if the nest is not well formed.
2373 * tree-data-ref.h (loop_p): New.
2374 (struct data_dependence_relation): Replace size_vect field with
2375 loop_nest, a vec of loops.
2376 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2377 (DDR_LOOP_NEST): New.
2378 (print_dir_vectors, print_dist_vectors,
2379 debug_data_dependence_relation): Declared.
2380 (index_in_loop_nest): New.
2381 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2382 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2385 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2387 * simplify-rtx.c (simplify_relational_operation): Call
2388 simplify_relational_operation_1 even if mode is VOIDmode.
2390 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2392 PR tree-optimization/26804
2393 * tree.h (DECL_CALL_CLOBBERED): New macro.
2394 (tree_decl_common): Add call_clobbered_flag.
2395 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2396 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2397 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2398 (mark_non_addressable): Ditto.
2399 * tree-ssa.c (verify_call_clobbered): New function.
2400 (verify_alias_info): Use it.
2401 * tree-pass.h (pass_reset_cc_flags): New prototype.
2402 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2403 (reset_cc_flags): New function.
2404 * passes.c (init_optimization_passes): Call reset_cc_flags after
2405 initializing referenced_vars.
2407 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2408 Roger Sayle <roger@eyesopen.com>
2411 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2412 to 1.0 for non-real operands. Implement A / A optimization for
2415 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2417 * config/i386/i386.c (size_cost): Correct the comment for
2418 cost of storing fp registers.
2419 (i386_cost): Likewise.
2420 (i486_cost): Likewise.
2421 (pentium_cost): Likewise.
2422 (pentiumpro_cost): Likewise.
2423 (k6_cost): Likewise.
2424 (athlon_cost): Likewise.
2425 (k8_cost): Likewise.
2426 (pentium4_cost): Likewise.
2427 (nocona_cost): Likewise.
2428 (generic64_cost): Likewise.
2429 (generic32_cost): Likewise.
2431 2006-03-24 Denis Chertykov <denisc@overta.ru>
2433 * config/avr/avr-protos.h (extra_constraint): Delete.
2434 (extra_constraint_Q): New declaration.
2435 * config/avr/constraints.md: New file.
2436 * config/avr/avr.md: Include it.
2437 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2438 (TMP_REGNO, ZERO_REGNO): Likewise.
2439 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2440 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2441 (extra_constraint): Delete.
2442 (extra_constraint_Q): Test for memory constraint 'Q'.
2443 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2444 (REG_CLASS_FROM_LETTER): Delete.
2445 (CONST_OK_FOR_LETTER_P): Delete.
2446 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2447 (EXTRA_CONSTRAINT): Delete.
2448 (TMP_REGNO): Delete.
2449 (ZERO_REGNO): Delete.
2451 2006-03-24 Jeff Law <law@redhat.com>
2453 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2454 directly. Call mark_new_vars_to_rename slightly earlier.
2456 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2458 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2460 (gen_compile_unit_die): Use new language types for Objective-C and
2462 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2463 DW_LANG_C_plus_plus.
2466 * config/t-darwin (crt3.o): Work around bug 26840.
2467 * config/darwin-crt3.c: Rewrite.
2468 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2470 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2472 * doc/invoke.texi: Document -femit-class-debug-always
2473 * common.opt: Add -femit-class-debug-always.
2475 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2477 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2478 index and base register.
2479 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2480 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2481 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2482 REGNO_OK_FOR_INDEX_P.
2483 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2485 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2486 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2487 REG_OK_FOR_BASE_P): Definitions removed.
2489 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2492 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2493 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2494 set yet or weren't marked as local yet.
2496 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2498 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2501 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2503 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2504 (rs6000_legitimate_small_data_p): Delete.
2505 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2506 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2507 and make static. Add forward declaration. Update uses.
2508 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2509 of offsettable_memref_p.
2510 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2511 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2513 2006-03-24 Jeff Law <law@redhat.com>
2515 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2516 around bug in immediate-use iterator.
2518 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2521 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2522 or __LITTLE_ENDIAN__.
2524 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2526 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2527 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2528 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2529 * config/sh/sh.opt (mdiv=): Amend description.
2530 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2531 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2532 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2533 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2534 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2535 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2536 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2537 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2538 TARGET_DIVIDE_CALL_FP.
2540 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2542 * haifa-sched.c (choose_ready): Fix type of the local variable.
2543 Move local variables. Add comment.
2544 (check_reg_live): Change signature. Make callable from debugger.
2545 * sched-int.h (check_reg_live): Update signature.
2546 * sched-ebb.c (check_reg_live): Update parameters.
2547 * sched-rgn.c (check_reg_live): Ditto.
2548 (region_head_or_leaf_p): Check pointer before dereferencing.
2549 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2550 before reload on optimization levels below 1.
2552 2006-03-23 Richard Henderson <rth@redhat.com>
2554 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2558 * config/alpha/predicates.md (local_symbolic_operand): Reject
2561 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2564 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2565 expressions which have overflowed constants.
2567 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2569 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2571 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2573 * cfgloopmanip.c (create_loop_notes): Removed.
2574 * final.c (final_scan_insn): Do not handle loop notes.
2575 * jump.c (squeeze_notes): Ditto.
2576 * cfglayout.c (skip_insns_after_block,
2577 duplicate_insn_chain): Ditto.
2578 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2580 * cfgloop.h (create_loop_notes): Declaration removed.
2582 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2584 * varasm.c (output_constant_pool): Restore fnname and fndecl
2586 (assemble_start_function): Adjust call accordingly.
2587 (assemble_end_function): Likewise.
2589 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2592 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2595 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2597 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2600 * system.h (ICE_EXIT_CODE): New macro.
2601 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2602 (diagnostic_action_after_output): Likewise.
2603 * gcc.c (fatal_ice): New function.
2604 (execute): Use it instead of fatal.
2605 (fancy_abort): Likewise.
2606 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2608 2006-03-22 Jeff Law <law@redhat.com>
2610 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2611 iv_analyze_result returning false.
2613 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2615 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2617 2006-03-22 Richard Henderson <rth@redhat.com>
2620 * except.c (duplicate_eh_regions_0): New.
2621 (duplicate_eh_region_1): Duplicate the children of the node as
2622 well as the node itself. Link them up properly.
2623 (duplicate_eh_region_2): Merge into ...
2624 (duplicate_eh_regions): ... here. Take copy_region argument, and
2625 copy only a sub-tree if asked. Simplify copying and fixup.
2626 (eh_region_outer_p): New.
2627 * except.h (duplicate_eh_regions): Update decl.
2628 (eh_region_outer_p): Declare.
2629 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2630 (lower_omp_master): Likewise.
2631 (lower_omp_ordered): Likewise.
2632 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2633 (move_stmt_r): Use it to remap labels. Handle recursion vs
2634 remap_decls_p properly.
2635 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2636 (find_outermost_region_in_block): New.
2637 (new_label_mapper): New.
2638 (move_sese_region_to_fn): Copy eh information to the new function
2640 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2642 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2645 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2647 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2648 into shared libraries.
2650 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2652 * doc/md.texi: Refer to i386/constraints.md instead of
2654 * config/i386/constraints.md: New file, extracted from...
2655 * config/i386/predicates.md: ...here.
2656 * config/i386/i386.md: Include constraints.md.
2658 2006-03-21 Jason Merrill <jason@redhat.com>
2660 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2663 * expr.c (init_block_move_fn): Force default visibility.
2664 (init_block_clear_fn): Likewise.
2665 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2666 * targhooks.c (default_external_stack_protect_fail): Likewise.
2668 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2670 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2671 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2672 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2673 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2674 (loadgp): Use mips_current_loadgp_style.
2675 (loadgp_noshared): New pattern.
2676 (sibcall_internal): Use MIPS_CALL.
2677 (sibcall_value_internal): Likewise.
2678 (sibcall_value_multiple_internal): Likewise.
2679 (call_internal): Likewise.
2680 (call_value_internal): Likewise.
2681 (call_value_multiple_internal): Likewise.
2682 (call_split): Use MIPS_CALL and add an 'S' constraint.
2683 (call_value_split): Likewise.
2684 (call_value_multiple_split): Likewise.
2685 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2686 (-mshared): New option.
2687 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2688 (mips_current_loadgp_style): Declare.
2689 * config/mips/mips.c (mips_classify_symbol): Avoid using
2690 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2691 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2692 TARGET_ABSOLUTE_ABICALLS.
2693 (override_options): Adjust comments. Improve the warning that is
2694 issued when -mabicalls and -G are used together.
2695 (mips_file_start): Remove comment.
2696 (mips_current_loadgp_style): New function.
2697 (mips_gnu_local_gp): New variable.
2698 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2700 (mips_output_function_prologue): Use mips_current_laodgp_style.
2701 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2702 the cprestore instruction.
2703 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2704 live for TARGET_ABSOLUTE_ABICALLS.
2705 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2706 (ASM_SPEC): Pass down -mshared and -mno-shared.
2707 (MIPS_CALL): New macro.
2708 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2710 * doc/invoke.texi (-mabicalls): Update documentation.
2711 (-mshared): Document.
2713 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2715 * config/ia64/unwind-hpux.c: New file.
2716 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2718 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2721 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2723 2006-03-21 Jeff Law <law@redhat.com>
2725 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2726 type conversions of a VR_VARYING source to a wider type.
2728 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2730 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2731 tm_file on Solaris 10 and later.
2732 (sparc64-*-solaris2*): Likewise.
2733 (sparc-*-solaris2*): Likewise.
2734 * config/sol26.h: Rename to config/sol2-6.h.
2735 * config/sol2-10.h: New file.
2737 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2740 * tree-ssa-pre.c (create_component_ref_by_pieces):
2743 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2746 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2747 return it immediately.
2749 2006-03-21 Michael Matz <matz@suse.de>
2751 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2753 (remove_arc, add_arc): Update num_out_arcs member.
2754 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2756 (cache_presence): New function.
2757 (compare_states_for_equiv): New function.
2758 (state_is_differed): Don't take number of outargs, adjust callers.
2759 Use new invariant for speeding up.
2760 (init_equiv_class): Create initial classes based on sorted
2762 (partition_equiv_class): Don't track out_arcs_num.
2763 (evaluate_equiv_classes): Call cache_presence on all states and
2766 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2768 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2769 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2770 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2771 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2773 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2774 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2775 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2776 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2777 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2779 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2780 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2781 (REGNO_REG_CLASS): ARGP is in PREGS.
2782 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2784 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2785 to deal with those addresses.
2786 * addresses.h: New file.
2787 * caller-save.c: Include "addresses.h".
2788 (init_caller_save): Use new base_reg_class function.
2789 * rtl-factoring.c: Include "addresses.h".
2790 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2791 * recog.c: Include "addresses.h".
2792 (preprocess_constraints): Use new base_reg_class function.
2793 * regrename.c: Include "addresses.h".
2794 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2795 functions. Keep track of a new var INDEX_CODE to compute valid
2797 (replace_oldest_value_addr): Likewise.
2798 (replace_oldest_value_mem): Use base_reg_class.
2799 * reload.c: Include "addresses.h".
2800 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2801 (find_reloads): Use new base_reg_class function.
2802 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2803 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2804 all callers and prototype changed.
2805 * reload1.c: Include "addresses.h".
2806 (maybe_fix_stack_asms): Use base_reg_class.
2807 * regclass.c: Include "addresses.h".
2808 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2809 (init_reg_autoinc): Use new base_reg_class function.
2810 (record_reg_classes): Likewise.
2811 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2812 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2813 Use new args to compute necessary class.
2815 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2816 regrename.o, rtl-factoring.o): Update dependencies.
2817 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2818 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2819 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2820 REG_OK_FOR_INDEX_P): Delete documentation.
2822 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2824 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2825 from V7 to V9 for Solaris 7 and above.
2827 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2829 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2830 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2831 argument pointers may not alias any other storage.
2832 * common.opt: Define option -fargument-noalias-anything.
2833 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2834 alias semantics is specified by flag_argument_noalias > 2.
2836 2006-03-20 Jeff Law <law@redhat.com>
2838 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2839 (pass_phi_only_cprop): Declare.
2840 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2842 * tree-ssa-dom.c (degenerate_phi_result): New function.
2843 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2844 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2845 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2846 (eliminate_degenerate_phis): Likewise.
2847 (pass_phi_only_cprop): New pass descriptor.
2848 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2849 support code. Callers updated.
2850 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2851 (store_copy_prop): Likewise.
2852 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2854 2006-03-20 Jason Merrill <jason@redhat.com>
2857 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2858 (push_visibility, pop_visibility): Likewise.
2859 * c-pragma.h: Declare them.
2861 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2863 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2865 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2866 parameter and use get_ebb_head_tail.
2867 (sh_md_init_global): Adjust uses of find_regmode_weight.
2869 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2871 * function.h (struct function) <x_tail_recursion_reentry>:
2872 Rename to x_stack_check_probe_note.
2873 (tail_recursion_reentry): Rename to stack_check_probe_note.
2874 * function.c: Replace tail_recursion_reentry with
2875 stack_check_probe_note everywhere.
2876 (expand_function_start): Only emit a note for
2877 stack_check_probe_note with -fstack-protect.
2878 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2880 * emit-rtl.c (remove_unnecessary_notes): Remove.
2881 (pass_remove_unnecessary_notes): Remove.
2882 * rtl.h (remove_unnecessary_notes): Remove prototype.
2883 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2884 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2885 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2887 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2890 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2891 (valid_in_set): Handle ARRAY_REF.
2892 Change "if min_variant or VH" to asserts.
2893 (create_component_ref_by_pieces): Handle ARRAY_REF.
2894 (create_expression_by_pieces): Likewise.
2895 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2897 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2899 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2900 is operand of switch, not str[0].
2902 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2904 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2905 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2907 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2909 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2910 end of insn_extra_address_constraint declaration.
2912 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2914 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2915 (no-sum-in-toc): Same.
2916 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2918 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2919 NO_FP_IN_TOC for -fPIC instead of mask.
2921 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2922 (BOOT_LDFLAGS): Delete.
2924 * config/rs6000/t-aix52: Same.
2926 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2927 (stmsi[345678]_power): New.
2929 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2931 * config/ia64/ia64.opt: Add empty line to end of file.
2933 2006-03-17 Richard Guenther <rguenther@suse.de>
2936 * builtins.c (get_pointer_alignment): For component style references
2937 adjust alignment to the component type alignment. Make sure
2938 to adjust alignment for component access of constants.
2940 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2942 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2945 2006-03-17 Paul Brook <paul@codesourcery.com>
2947 * doc/install.texi: Docuemnt --with-mode.
2948 * config.gcc: Add --with-mode for arm*-*-*.
2949 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2951 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2953 * sh.c (max_labelno_before_reorg): New variable.
2954 (sh_reorg): Initialize it.
2955 (find_barrier): Check max_labelno_before_reorg before using
2956 label_to_alignment. Take length of explicit alignment insns
2957 into account. When seeing a UNSPECV_CONST_END, return it.
2959 * sh.c (fixup_mova): Set mode of affected label to QImode.
2960 (untangle_mova): New function.
2961 (find_barrier): Use it. Check mode of label before decrementing
2963 (sh_reorg): Likewise.
2964 Set mode of all insns back to VOIDmode.
2966 * sh.c (MOVA_LABELREF): New macro.
2967 (mova_p, fixup_mova, sh_reorg): Use it.
2968 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2969 ADDR_DIFF_VEC matches mova.
2971 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2973 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2974 with ATTRIBUTE_UNUSED.
2976 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2978 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2979 pointer, instead of assuming it is possible to derive the
2980 correct args size from a call insn.
2982 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2984 * rtl.h (CONST_INT_P): Define.
2985 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2986 instead of GET_CODE(x) == CONST_INT.
2987 (vax_rtx_costs): Likewise.
2988 (vax_output_int_move): Likewise.
2989 (vax_output_int_add): Likewise.
2990 (legitimate_constant_address_p): Likewise.
2991 (index_term_p): Likewise.
2992 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2993 * config/vax/vax.md (and<mode>3): Likewise.
2994 (ashrsi3): Likewise.
2996 (movstricthi): Likewise.
2997 (movstrictqi): Likewise.
2998 (rotrsi3): Likewise.
2999 (five unnamed insns): Likewise.
3001 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3003 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3004 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3005 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3006 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3007 Pass to ASM_OUTPUT_DWARF_OFFSET.
3008 * dwarf2out.c (debug_frame_section): New.
3009 (output_call_frame_info): Use debug_frame_section. Pass it to
3010 dw2_asm_output_offset.
3011 (output_die): Pass appropriate section to dw2_asm_output_offset.
3012 (output_compilation_unit_header): Likewise.
3013 (output_pubnames): Likewise.
3014 (output_aranges): Likewise.
3015 (enum dw_val_class): Break dw_val_class_lbl_offset into
3016 dw_val_class_lineptr and dw_val_class_macptr.
3017 (add_AT_lbl_offset): Delete.
3018 (add_AT_lineptr): New.
3019 (add_AT_macptr): New.
3020 (AT_lbl): Expect a lineptr or macptr.
3021 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3022 (attr_checksum): Likewise.
3023 (same_dw_val_p): Likewise.
3024 (size_of_die): Likewise.
3025 (value_format): Likewise.
3026 (output_die): Likewise.
3027 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3029 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3030 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3031 * config/darwin-protos.h (darwin_file_start): New.
3032 (darwin_asm_output_dwarf_offset): New.
3033 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3034 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3036 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3037 if not EH section; simplify.
3038 (darwin_file_start): New.
3039 (darwin_asm_output_dwarf_offset): New.
3040 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3042 (DEBUG_INFO_SECTION): Likewise.
3043 (DEBUG_ABBREV_SECTION): Likewise.
3044 (DEBUG_ARANGES_SECTION): Likewise.
3045 (DEBUG_MACINFO_SECTION): Likewise.
3046 (DEBUG_LINE_SECTION): Likewise.
3047 (DEBUG_LOC_SECTION): Likewise.
3048 (DEBUG_PUBNAMES_SECTION): Likewise.
3049 (DEBUG_STR_SECTION): Likewise.
3050 (DEBUG_RANGES_SECTION): Likewise.
3051 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3052 (ASM_OUTPUT_DWARF_OFFSET): New.
3054 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3056 * config.gcc (tm_defines): Always add to previous value rather
3059 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3061 * config/mips/predicates.md (splittable_const_int_operand): New,
3062 split from move_operand.
3063 (splittable_symbolic_operand): New.
3064 (move_operand): Add commentary. Use splittable_const_int_operand.
3065 Inline mips_atomic_symbolic_constant_p.
3066 * config/mips/mips.md: Add combine splitters for handling moves
3067 of splittable_const_int_operands and splittable_symbolic_operands.
3068 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3069 (mips_split_symbol): Declare.
3070 (mips_move_integer): Declare.
3071 * config/mips/mips.c (mips_split_p): Make global.
3072 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3073 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3074 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3075 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3076 (mips_offset_within_object_p): Handle block symbols.
3077 (mips_atomic_symbolic_constant_p): Delete.
3078 (mips_cannot_force_const_mem): Return false for constants that
3079 mips_legitimize_move can handle.
3080 (mips_use_blocks_for_constant_p): New function.
3081 (mips_split_symbol): Make global.
3082 (mips_move_integer): Likewise. Add a temporary register argument.
3083 (mips_legitimize_const_move): Use splittable_const_int_operand and
3084 splittable_symbolic_operand.
3085 (mips_use_anchors_for_symbol_p): New function.
3086 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3087 (mips_split_p): Declare.
3089 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3091 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3092 (mips*-*-linux*): Likewise.
3094 2006-03-16 Roger Sayle <roger@eyesopen.com>
3095 Daniel Speyer <dspeyer@wam.umd.edu>
3098 * tree-dump.c (dump_real): New function.
3099 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3100 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3101 (tree-dump.o): Add $(REAL_H) to the dependencies.
3103 2006-03-16 Roger Sayle <roger@eyesopen.com>
3106 * real.c (real_from_string): If the mantissa is zero, don't bother
3107 parsing the exponent as the result should always be zero.
3109 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3111 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3113 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3115 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3116 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3117 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3118 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3119 ia64_sched_finish_global): New static functions to implement
3120 hooks from gcc_target.sched.
3121 (spec_check_no, max_uid, pending_data_specs): New static variables.
3122 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3123 ia64_spec_check_src_p): New static functions.
3124 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3125 (TARGET_SCHED_ADJUST_COST): Removed.
3126 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3127 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3128 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3129 TARGET_SCHED_GEN_CHECK,
3130 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3131 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3132 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3133 Fixed to handle speculation checks.
3134 (rtx_needs_barrier): Fixed to handle speculative loads and
3136 (ia64_variable_issue): Added code to count speculative loads and their
3138 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3140 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3142 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3144 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3145 (ia64_reorg): Reset stops_p to NULL after it is freed.
3146 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3147 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3148 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3150 (data_speculative, control_speculative, check_load): New attributes.
3151 (mov<mode>_advanced, mov<mode>_speculative,
3152 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3153 zero_extend<mode>di2_speculative,
3154 zero_extend<mode>di2_speculative_advanced): New patterns for
3155 data and control speculative loads.
3156 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3158 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3159 New pattern for data and control speculation checks.
3160 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3161 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3162 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3163 Auxiliary definitions for the patterns.
3164 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3165 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3167 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3169 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3170 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3171 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3172 New resource constraints.
3173 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3175 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3176 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3177 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3178 msched-in-control-spec, msched-ldc, msched-control-ldc,
3179 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3180 msched-prefer-non-control-spec-insns,
3181 msched-count-spec-in-critical-path): New flags to tune speculative
3183 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3184 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3185 msched-in-control-spec, msched-ldc, msched-control-ldc,
3186 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3187 msched-prefer-non-control-spec-insns,
3188 msched-count-spec-in-critical-path): Document new flags.
3190 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3192 * target.h (struct spec_info_def): New opaque declaration.
3193 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3194 speculate_insn, needs_block_p, gen_check,
3195 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3196 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3197 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3198 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3199 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3200 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3202 (TARGET_SCHED): Use new macros.
3203 * rtl.h (copy_DEPS_LIST_list): New prototype.
3204 * sched-int.h (struct sched_info): Change signature of new_ready field,
3205 adjust all initializations. New fields: add_remove_insn,
3206 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3207 region_head_or_leaf_p.
3208 (struct spec_info_def): New structure declaration.
3209 (spec_info_t): New typedef.
3210 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3211 recovery_block, orig_pat.
3212 (glat_start, glat_end): New variables declaraions.
3213 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3215 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3216 DETACH_LIFE_INFO, USE_GLAT.
3217 (enum SPEC_SCHED_FLAGS): New enumeration.
3218 (NOTE_NOTE_BB_P): New macro.
3219 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3220 attach_life_info, debug_spec_status, check_reg_live): New functions.
3221 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3222 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3224 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3225 * ddg.c (get_block_head_tail): Adjust all uses.
3226 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3227 (sms_sched_info): Initialize new fields.
3228 (contributes_to_priority): Removed.
3229 * haifa-sched.c (params.h): New include.
3230 (get_block_head_tail): Adjust all uses.
3231 (ISSUE_POINTS): New macro.
3232 (glat_start, glat_end): New global variables.
3233 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3234 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3235 old_last_basic_block, before_recovery, current_sched_info_var,
3236 rgn_n_insns, luid): New static variables.
3237 (insn_cost1): New function. Move logic from insn_cost to here.
3238 (find_insn_reg_weight1): New function. Move logic from
3239 find_insn_reg_weight to here.
3240 (reemit_notes, move_insn, max_issue): Change signature.
3241 (move_insn1): Removed.
3242 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3243 extend_bb): New static functions to support extension of scheduler's
3245 (generate_recovery_code, process_insn_depend_be_in_spec,
3246 begin_speculative_block, add_to_speculative_block,
3247 init_before_recovery, create_recovery_block, create_check_block_twin,
3248 fix_recovery_deps): New static functions to support
3249 generation of recovery code.
3250 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3251 restore_bb_notes, move_block_after_check, move_succs): New static
3252 functions to support ebb scheduling.
3253 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3254 functions to support handling of register live information.
3255 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3256 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3257 add_jump_dependencies): New static functions.
3258 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3259 consistancy checking.
3260 (debug_spec_status): New function to call from debugger.
3261 (priority): Added code to handle speculation checks.
3262 (rank_for_schedule): Added code to distinguish speculative instructions.
3263 (schedule_insn): Added code to handle speculation checks.
3264 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3265 Fixed to handle ebbs.
3266 (move_insn): Added code to handle ebb scheduling.
3267 (max_issue): Added code to use ISSUE_POINTS of instructions.
3268 (choose_ready): Added code to choose between speculative and
3269 non-speculative instructions.
3270 (schedule_block): Added code to handle ebb scheduling and scheduling of
3271 speculative instructions.
3272 (sched_init): Initialize new variables.
3273 (sched_finish): Free new variables. Print statistics.
3274 (try_ready): Added code to handle speculative instructions.
3275 * lists.c (copy_DEPS_LIST_list): New function.
3276 * sched-deps.c (extend_dependency_caches): New function. Move logic
3277 from create_dependency_caches to here.
3278 (get_dep_weak, ds_merge): Make global.
3279 * genattr.c (main): Code to output prototype for
3280 dfa_clear_single_insn_cache.
3281 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3282 (output_dfa_clean_insn_cache_func): Code to output
3283 dfa_clear_single_insn_cache function.
3284 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3286 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3288 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3289 New static variables.
3290 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3291 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3293 (ebb_sched_info): Initialize new fields.
3294 (get_block_head_tail): Adjust all uses.
3295 (compute_jump_reg_dependencies): Fixed to use glat_start.
3296 (schedule_ebb): Code to remove unreachable last block.
3297 (schedule_ebbs): Added code to update register live information.
3298 * sched-rgn.c (region_sched_info): Initialize new fields.
3299 (get_block_head_tail): Adjust all uses.
3300 (last_was_jump): Removed. Adjust users.
3301 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3302 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3303 Implement new hooks.
3304 (check_dead_notes1): New static function.
3305 (struct region): New fields: dont_calc_deps, has_real_ebb.
3306 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3307 (BB_TO_BLOCK): Fixed to handle EBBs.
3308 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3309 (ebb_head): New static variable.
3310 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3311 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3313 (compute_dom_prob_ps): New assertion.
3314 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3315 global_live_at_start.
3316 (init_ready_list): New assertions.
3317 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3318 (new_ready): Add support for BEGIN_CONTROL speculation.
3319 (schedule_insns): Fixed code that updates register live information
3321 (schedule_region): Fixed to handle EBBs.
3322 (init_regions): Use extend_regions and check_dead_notes1.
3323 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3324 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3325 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3326 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3327 TARGET_SCHED_GEN_CHECK,
3328 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3329 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3330 * doc/invoke.texi (max-sched-insn-conflict-delay,
3331 sched-spec-prob-cutoff): Document.
3333 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3335 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3336 inter_tick, queue_index.
3337 (struct sched_info): Change signature of init_ready_list field.
3338 Adjust all initializations.
3339 (RESOLVED_DEPS): New access macro.
3340 (ready_add): Remove prototype.
3341 (try_ready): Add prototype.
3342 * sched-rgn.c (init_ready_list): Use try_ready.
3343 (schedule_region): Initialize
3344 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3345 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3346 (init_ready_list): Use try_ready.
3347 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3348 * lists.c (remove_list_elem): Remove `static'.
3349 (remove_free_INSN_LIST_elem): New function.
3350 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3351 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3352 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3354 (readyp): New variable.
3355 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3356 change_queue_index, resolve_dep): New static functions.
3357 (try_ready): New function. Adjust callers in sched-rgn.c and
3358 sched-ebb.c to use it instead of ready_add.
3359 (clock_var): Move at the begining of file.
3360 (rank_for_schedule): Fix typo.
3361 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3362 (ready_lastpos): Enforce assertion.
3363 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3365 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3366 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3367 (queue_to_ready): Use free_INSN_LIST_list.
3368 (early_queue_to_ready): Fix typo.
3369 (schedule_block): Init readyp. Move init_ready_list call after the
3370 initialization of clock_var. Fix error in rejecting insn by
3371 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3372 that previously corrected INSN_TICKs. Add code for handling
3374 (set_priorities): Fix typo.
3375 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3376 Clarify comment and code that keeps current_sched_info->next_tail
3379 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3381 * sched-rgn.c (extend_rgns): New static function.
3382 (find_rgns): Use it.
3383 (gather_region_statistics, print_region_statistics): New static
3385 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3386 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3388 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3389 Andrey Belevantsev <abel@ispras.ru>
3391 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3392 * lists.c (unused_deps_list): New variable.
3393 (free_list): Add assertions to verify the proper distinguishing
3394 between INSN_LISTs and DEPS_LISTs.
3395 (find_list_elem, remove_list_elem, remove_list_node): New static
3397 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3398 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3399 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3400 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3402 (free_INSN_LIST_node): Likewise.
3403 * modulo-sched.c (current_sched_info): Initialize flags field.
3404 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3405 * rtl.def (DEPS_LIST): Define.
3406 * rtl.h: Declare new functions from lists.c.
3407 * sched-deps.c (spec_dependency_cache): New static variable.
3408 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3409 (add_dependence): Change return type to void. Move the logic to ...
3410 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3411 (delete_all_dependences): Add comment about forward_dependency_cache.
3412 Handle spec_dependency_cache. Handle DEPS_LISTs.
3413 (fixup_sched_groups): Clarify the change of priority of output
3414 and anti dependencies.
3415 (sched_analyze_2): Adjust add_dependence calls to create data
3416 speculative dependence.
3417 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3418 Adjust all callers. Handle DEPS_LISTS.
3419 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3420 presence of speculation.
3421 (init_dependency_caches, free_dependency_caches):
3422 Handle spec_dependency_cache.
3423 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3424 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3425 New static functions.
3426 (add_or_update_back_dep, add_or_update_back_forw_dep,
3427 add_back_forw_dep, delete_back_forw_dep): New functions.
3428 * sched-int.h (ds_t, dw_t): New typedefs.
3429 (struct sched_info): Add new field flags.
3430 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3431 Prototype new sched-deps.c functions.
3432 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3433 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3434 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3435 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3436 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3437 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3439 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3441 * sched-rgn.c (current_sched_info): Initialize flags field.
3442 (schedule_insns): Initialize current_sched_info before the sched_init
3444 * sched-ebb.c (current_sched_info): Initialize flags field.
3445 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3446 Call add_or_update_back_dep instead of add_dependence.
3447 Create control speculative dependencies.
3448 (schedule_insns): Initialize current_sched_info before the sched_init
3451 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3453 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3455 (sh_fallback_frame_state): Likewise.
3457 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3459 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3460 Do switch on default_use_cxa_atexit.
3461 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3462 * config/darwin-crt3.o: New.
3463 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3464 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3465 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3467 * config/rs6000/t-darwin: Move crt2.o building to here.
3468 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3469 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3472 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3474 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3475 from '! xxx' to '!xxx' for coding-style conformance.
3476 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3477 (EXTRA_CONSTRAINT): Likewise.
3478 * config/vax/vax.md (four unnamed insns): Likewise.
3480 2006-03-15 Paul Brook <paul@codesourcery.com>
3482 * config/arm/arm.c (minipool_pad): New.
3483 (add_minipool_forward_ref): Include pool alignment padding in address
3485 (push_minipool_fix): Set minipool_pad.
3486 (minipool_pad): Ditto.
3488 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3490 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3491 instead of GET_CODE() == MEM and REG_P() instead of
3493 (print_operand_address): Likewise.
3494 (vax_address_cost): Likewise.
3495 (vax_rtx_costs): Likewise.
3496 (vax_notice_update_cc): Likewise.
3497 (vax_output_int_add): Likewise.
3498 (INDEX_REGISTER_P): Likewise.
3499 (BASE_REGISTER_P): Likewise.
3500 (nonindexed_address_p): Likewise.
3501 (vax_mode_dependent_address_p): Likewise.
3502 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3503 (PRINT_OPERAND): Likewise.
3504 * config/vax/vax.md (ashlsi3): Likewise.
3505 (ashlsi3): Likewise.
3506 (some more unnamed insns): Likewise.
3508 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3510 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3511 iterator-style macro.
3512 (mark_control_dependent_edges_necessary): Update the use of
3513 EXECUTE_IF_CONTROL_DEPENDENT.
3515 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3517 * config/sh/predicates.md (cache_address_operand): Special.
3518 (ua_address_operand): Likewise.
3520 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3522 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3524 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3526 2006-03-15 Andreas Schwab <schwab@suse.de>
3528 * gensupport.c (identify_predicable_attribute): Don't free p_false
3529 when it is still in use.
3531 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3533 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3534 the default setting here.
3536 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3538 * tree-pass.h (pass_cfg): Remove.
3539 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3540 * passes.c (pass_cfg): Don't run it.
3542 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3544 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3545 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3547 (stack_regs_mentioned): Update the uses of
3548 stack_regs_mentioned_data. Don't access the array beyond its
3550 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3551 Don't include gt-reg-stack.h.
3553 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3554 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3556 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3559 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3562 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3564 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3566 2006-03-14 Richard Guenther <rguenther@suse.de>
3568 PR tree-optimization/26672
3569 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3572 2006-03-14 Richard Guenther <rguenther@suse.de>
3574 PR tree-optimization/26667
3575 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3576 node for the callees. Always allow inlining if it will shrink
3579 2006-03-14 Richard Guenther <rguenther@suse.de>
3582 * builtins.c (get_pointer_alignment): Prefer alignment
3583 information from decls over that from types.
3585 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3588 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3590 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3592 * config/rs6000/rs6000.opt (mdlmzb): New option.
3593 (msched-prolog, msched-epilog): Use Var not Mask.
3594 * doc/invoke.texi (-mdlmzb): Document.
3595 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3597 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3598 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3600 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3602 PR rtl-optimization/25739
3603 * bt-load.c (augment_live_range): Free tos pointer.
3605 * gensupport.c (identify_predicable_attribute): Free
3607 * gcov.c (create_file_names): Free name pointer.
3609 2006-03-13 Roger Sayle <roger@eyesopen.com>
3612 * stmt.c (emit_case_nodes): Handle the case where the index is a
3613 CONST_INT, where the comparison mode is specified by the index type.
3615 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3617 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3620 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3622 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3623 (*branch_fp_inverted): Likewise.
3625 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3628 * omp-low.c (expand_omp_for_generic): Mark istart0
3629 and iend0 as addressable.
3631 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3633 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3635 2006-03-13 Jeff Law <law@redhat.com>
3637 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3638 virtual operands are interesting.
3639 (vrp_visit_stmt): Corresponding changes.
3641 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3643 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3645 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3646 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3647 * config/bfin/crti.S: Use it instead of __PIC__.
3648 * config/bfin/crtn.S: Likewise.
3650 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3651 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3653 Lose 'G' modifier for call operand.
3654 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3655 recognize 'G' modifier.
3657 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3660 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3661 * stmt.c (expand_case): Likewise.
3663 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3665 PR rtl-optimization/26254
3666 * loop-invariant.c (seq_insns_valid_p): New function.
3667 (move_invariant_reg): Only emit new code if it is valid.
3669 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3671 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3673 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3674 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3675 (commit_one_edge_insertion): Do not look for loop notes.
3677 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3679 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3680 flag_test_coverage out of loop.
3682 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3684 * final.c (shorten_branches): Remove outdated comment, and turn
3685 the if branch that guards it to continue.
3687 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3689 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3690 * cfgloop.h (struct loop): Remove unused fields.
3692 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3694 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3695 (-dL, -fdump-rtl-loop2): Update the dump file names
3697 * doc/invoke.texi: Update dump file names.
3699 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3701 * predict.c (estimate_probability): Remove.
3702 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3703 * basic-block.h (estimate_probability): Remove prototype.
3704 * passes.c (finish_optimization_passes): Dump branch prediction or
3705 profiling heuristics to the .profile tree dump.
3706 (init_optimization_passes): Unqueue pass_branch_prob.
3708 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3710 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3712 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3713 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3715 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3717 * function.h (frame_offset_overflow): Declare.
3718 * function.c (frame_offset_overflow): New function.
3719 (assign_stack_local_1): Call it to detect that the offset overflows.
3720 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3722 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3724 * config/sh/sh.c: Include alloc-pool.h.
3725 (label_ref_list_pool): New alloc pool.
3726 (label_ref_list_t): New type for lists of labels.
3727 (struct pool_node): Make wend a label_ref_list_t.
3728 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3730 (dump_table): Likewise.
3731 (sh_reorg): Set up the alloc pool before using add_constant and
3732 dump_table, and destroy it when finishing.
3734 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3736 * config/mips/mips.c: Remove redundant comment.
3738 2006-03-10 Jason Merrill <jason@redhat.com>
3741 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3742 the target was declared 'register'.
3744 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3746 * genpreds.c (write_insn_constraint_len): Change definition of
3747 insn_constraint_len to return size_t to match the declaration.
3749 2006-03-10 DJ Delorie <dj@redhat.com>
3751 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3753 (m32c_expand_insv): Fix test for an AND mask.
3755 2006-03-10 Richard Guenther <rguenther@suse.de>
3758 * builtins.c (get_pointer_alignment): Handle component
3759 references for field alignment.
3761 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3763 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3764 when building with libgloss.
3765 (sh*elf): Implement --without-fp option.
3766 (sh64-superh-linux*): Don't multilib.
3768 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3770 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3772 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3774 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3775 Set it when one of the replacement functions returned true.
3776 Return TODO_cleanup_cfg if cfgchanged is true.
3777 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3779 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3781 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3782 instead of gen_lowpart.
3784 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3786 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3788 (mips_output_order_conditional_branch): Declare.
3789 * config/mips/mips.h (MIPS_BRANCH): New macro.
3790 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3791 for the comparison. Use gen_condjump.
3792 (mips_output_conditional_branch): Rework interface to take the
3793 asm templates for a direct branch and the inverse of a direct branch.
3794 (mips_output_order_conditional_branch): New function.
3795 (mips_builtin_branch_and_move): New function.
3796 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3797 branch condition. Use gen_single_cc as the condition for
3798 __builtin_mips_upper_* or __builtin_mips_lower_*.
3799 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3800 Use VOIDmode for the branch condition.
3801 * config/mips/predicates.md (order_operator): New predicate.
3802 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3803 (branch_fp): Rename to...
3804 (*branch_fp): ...this. Remove mode from comparison operator.
3805 Use new mips_output_conditional_branch interface.
3806 (branch_fp_inverted): Rename to...
3807 (*branch_fp_inverted): ...this and update as for *branch_fp.
3808 (*branch_zero<mode>): Rename to...
3809 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3810 Use mips_output_order_conditional_branch. Only accept ordered
3812 (*branch_zero<mode>_inverted): Rename to...
3813 (*branch_order<mode>_inverted): ...this and update as for
3814 *branch_order<mode>.
3815 (*branch_equality<mode>): Accept zero as the second operand to
3816 the equality operator. Use the new mips_output_conditional_branch
3818 (*branch_equality<mode>_inverted): Likewise.
3819 (condjump): New expander.
3820 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3822 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3823 (bc1any2t, bc1any2f): Likewise.
3824 (single_cc): New expander.
3825 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3827 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3829 * doc/md.texi: Update documentation of MIPS constraints.
3830 * config/mips/constraints.md: New file.
3831 * config/mips/mips.md: Include it.
3832 * config/mips/mips.c (mips_char_to_class): Delete.
3833 (override_options): Don't initialize mips_char_to_class.
3834 * config/mips/mips.h (mips_char_to_class): Delete.
3835 (REG_CLASS_FROM_LETTER): Delete.
3836 (CONST_OK_FOR_LETTER_P): Delete.
3837 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3838 (EXTRA_CONSTRAINT_Y): Delete.
3839 (EXTRA_CONSTRAINT_STR): Delete.
3840 (CONSTRAINT_LEN): Delete.
3841 (EXTRA_MEMORY_CONSTRAINT): Delete.
3843 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3845 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3846 original fn's eh regions.
3848 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3850 * fold-const.c (build_range_check): Make sure to use a valid type to
3851 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3854 (range_predecessor): New static function.
3855 (range_successor): Likewise.
3856 (merge_ranges): Use them to compute predecessors and successors of
3859 2006-03-09 Roger Sayle <roger@eyesopen.com>
3862 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3863 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3865 2006-03-08 DJ Delorie <dj@redhat.com>
3867 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3868 (addpsi3): Expand to include memory operands. Remove
3869 reload-specific splits.
3870 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3871 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3872 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3873 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3874 (shift1_qi, shift1_hi, insv): New.
3875 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3876 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3877 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3879 * config/m32c/m32c-protos.h: Update as needed.
3880 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3881 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3882 Fail for unrecognized R* constraints.
3883 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3884 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3885 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3887 (m32c_init_libfuncs): New.
3888 (m32c_legitimate_address_p): Add debug wrapper.
3889 (m32c_rtx_costs): New.
3890 (m32c_address_cost): New.
3891 (conversions): Add 'B' prefix.
3892 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3893 operands, or word regnames for QI operands. 'B' prints bit
3895 (m32c_expand_setmemhi): New.
3896 (m32c_expand_movmemhi): New.
3897 (m32c_expand_movstr): New.
3898 (m32c_expand_cmpstr): New.
3899 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3900 (m32c_expand_neg_mulpsi3): Handle non-ints.
3901 (m32c_cmp_flg_0): New.
3902 (m32c_expand_movcc): New.
3903 (m32c_expand_insv): New.
3904 (m32c_scc_pattern): New.
3905 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3906 a0/a1 out of SIregs.
3907 (STORE_FLAG_VALUE): New.
3908 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3911 * config/m32c/mov.md: Make constraints more liberal.
3912 (zero_extendqihi2): Optimize r0/r1 case.
3913 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3914 * config/m32c/predicates.md (m32c_any_operand): New.
3915 (m32c_nonimmediate_operand): New.
3916 (m32c_hl_operand): New.
3917 (m32c_r3_operand): New.
3920 (memsym_operand): New.
3921 (memimmed_operand): New.
3922 (a_qi_operand): New.
3923 (m32c_eqne_operator): New.
3924 (m32c_1bit8_operand): New.
3925 (m32c_1bit16_operand): New.
3926 (m32c_1mask8_operand): New.
3927 (m32c_1mask16_operand): New.
3928 * config/m32c/blkmov.md: New file.
3929 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3931 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3933 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3934 unsigned to fix signed/unsigned comparison issue in
3935 DWARF2_FRAME_REG_OUT.
3936 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3937 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3939 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3940 of ptr into the ENABLE_CHECKING section.
3942 2006-03-08 Jeff Law <law@redhat.com>
3944 * tree-vrp.c (infer_value_range): Only count pointer uses
3945 and dereferences if -fdelete-null-pointer-checks is enabled.
3947 * tree-vrp.c (find_assert_locations): Infer value ranges for
3948 single use pointers, but do not create ASSERT_EXPRs for them.
3949 When a non-null range is inferred for a pointer, backwards
3950 propagate that range to other equivalent pointers through the
3953 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3956 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3957 language hook targets.
3958 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3959 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3960 if language hook targets were missing.
3962 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3964 * tree-ssa-opfinalize.h: Removed.
3965 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3967 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3968 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3969 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3970 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3971 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3972 finalize_ssa_v_must_def_ops): New.
3974 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3976 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3979 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3981 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3983 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3984 addresses with offsets; reorganize.
3986 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3987 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3988 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3990 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3993 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3995 2006-03-08 Ben Elliston <bje@au.ibm.com>
3997 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3999 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4002 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4005 2006-03-07 Richard Guenther <rguenther@suse.de>
4007 PR tree-optimization/26587
4008 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4010 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4012 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4014 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4016 * hooks.c (hook_bool_mode_rtx_true): New function.
4017 * hooks.h (hook_bool_mode_rtx_true): Declare.
4018 * toplev.c (compile_file): Call output_shared_constant_pool.
4019 * varasm.c (shared_constant_pool): New variable.
4020 (assemble_start_function, assemble_end_function): Remove arguments
4021 from call to output_constant_pool.
4022 (create_constant_pool): New function, split out from...
4023 (init_varasm_status): ...here.
4024 (force_const_mem): Choose between the shared and per-function constant
4025 pools. Set current_function_uses_const_pool when reusing old entries
4026 as well as when creating new ones.
4027 (mark_constant): Ignore data argument.
4028 (mark_constants): Remove pool argument.
4029 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4030 to decide whether the function uses a constant pool.
4031 (output_constant_pool_contents): New function, split out from...
4032 (output_constant_pool): ...here.
4033 (output_shared_constant_pool): New function.
4034 (init_varasm_once): Initialize shared_constant_pool.
4035 * output.h (output_constant_pool): Delete.
4036 (output_shared_constant_pool): Declare.
4037 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4038 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4040 2006-03-06 Nick Clifton <nickc@redhat.com>
4042 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4043 flag_strength_reduce.
4045 2006-03-06 Ben Elliston <bje@au.ibm.com>
4047 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4048 x86_64-*-linux* configurations.
4050 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4051 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4053 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4055 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4057 * basic-block.h: Remove the extern for
4058 rediscover_loops_after_threading.
4060 * cfgloop.c (cancel_loop): Make it static.
4061 * cfgloop.h: Remove the prototype for cancel_loop.
4063 * flow.c (recompute_reg_usage): Make it static.
4064 * rtl.h: Remove the prototype for recompute_reg_usage.
4066 * function.c (use_return_register): Make it static.
4067 * function.h: Remove the prototype.
4069 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4071 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4073 * recog.h: Remove the prototype for
4074 validate_change_maybe_volatile.
4076 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4078 * rtlanal.c (replace_reg): Remove.
4079 * rtl.h: Remove the prototype for replace_reg.
4081 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4083 * regclass.c (reg_scan_update): Remove.
4084 (reg_scan_mark_refs): Remove the last argument.
4085 * rtl.h: Remove the prototype for reg_scan_update.
4087 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4089 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4090 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4091 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4092 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4093 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4094 loop-invariant.c, omp-low.c, opts.c, passes.c,
4095 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4096 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4097 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4098 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4099 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4100 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4102 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4104 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4105 * dwarf2out.h: Remove the prototype for
4106 dwarf2out_add_library_unit_info.
4108 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4110 * tree.c (add_var_to_bind_expr): Remove.
4111 * tree.h: Remove the prototype for add_var_to_bind_expr.
4113 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4115 * regclass.c (n_non_fixed_regs): Remove.
4116 (init_reg_sets_1, globalize_reg): Remove all uses of
4118 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4120 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4122 * rtlanal.c (insns_safe_to_move_p): Remove.
4123 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4125 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4127 * expmed.c (expand_mult_add): Remove.
4128 * expr.h: Remove the prototype for expand_mult_add.
4130 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4132 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4133 and REG_SAVED_VAL_EXP constants.
4134 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4135 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4136 Handle regs stored by value.
4137 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4138 (execute_cfa_program): Handle DW_CFA_val_offset,
4139 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4140 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4141 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4142 (uw_install_context_1): Handle target regs stored by value.
4144 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4146 * tree-sra.c (tree_sra): Return todoflags;
4147 (generate_one_element): Set TODO_update_smt_usage if needed.
4148 (pass_sra): Remove TODO_update_smt_usage.
4149 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4151 (tree_ssa_forward_propagate_single_use_vars): Return
4152 TODO_update_smt_usage if we need to update SMT usage.
4153 (pass_forwprop): Remove TODO_update_smt_usage.
4155 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4157 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4158 (correct_use_link): Remove reference to get_stmt_operands.
4159 (update_stmt_operands): Likewise.
4160 (get_modify_expr_operands): New function factored out of
4161 parse_ssa_operands and get_expr_operands.
4162 Try to create V_MUST_DEFs for LHS by default.
4163 (get_expr_operands) <case MODIFY_EXPR>: Call
4164 get_modify_expr_operands.
4165 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4166 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4167 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4168 get_modify_expr_operands.
4170 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4172 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4173 * tree-flow.h: Remove the prototype for
4174 referenced_var_lookup_if_exists.
4176 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4178 PR rtl-optimization/26345
4180 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4182 2006-03-03 Roger Sayle <roger@eyesopen.com>
4184 PR tree-optimization/26524
4185 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4186 fold_convert to create a constant of the appropriate type.
4188 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4190 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4191 SYMBOL_REF_IN_BLOCK_P.
4192 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4193 of SYMBOL_FLAG_IN_BLOCK.
4194 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4195 instead of SYMBOL_REF_IN_BLOCK_P.
4196 * explow.c (use_anchored_address): Likewise.
4197 * rtl.c (rtx_size): Likewise.
4198 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4199 instead of SYMBOL_FLAG_IN_BLOCK.
4200 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4201 SYMBOL_REF_IN_BLOCK_P.
4202 (assemble_variable): Likewise.
4203 (output_constant_def_contents): Likewise.
4204 (output_constant_pool): Likewise.
4205 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4206 instead of SYMBOL_FLAG_IN_BLOCK.
4207 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4208 SYMBOL_REF_IN_BLOCK_P.
4209 (SYMBOL_REF_BLOCK): Likewise.
4210 (SYMBOL_REF_OFFSET): Likewise.
4211 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4212 SYMBOL_REF_IN_BLOCK_P.
4213 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4214 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4215 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4216 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4218 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4220 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4222 2006-03-02 Roger Sayle <roger@eyesopen.com>
4224 * simplify-rtx.c (simplify_unary_operation): When simplifying
4225 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4226 that we perform the right shift in the appropriate mode, and
4227 then extend or truncate the result to requested mode.
4229 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4231 * gengtype.c (main): Handle double_int type.
4232 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4233 * double-int.c: New file.
4234 * double-int.h: New file.
4235 * system.h: Include doubleint.h.
4236 * Makefile.in (SYSTEM_H): Include double-int.h.
4237 (double-int.o): Add.
4239 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4242 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4245 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4247 * tree-vrp.c (remove_range_assertions): Do not update statements
4250 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4252 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4254 * gcse.c (rest_of_handle_gcse): Ditto.
4255 * except.c (gate_handle_eh): Ditto.
4256 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4257 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4259 2006-03-02 Eric Christopher <echristo@apple.com>
4261 * config/i386/i386.c (machopic_output_stub): Add indirection to
4264 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4268 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4270 Sun Niagara specific optimizations.
4271 * config.gcc: Recognize niagara as target.
4272 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4273 (TARGET_CPU_niagara): Define.
4274 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4275 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4276 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4277 (ASM_CPU_SPEC): Likewise.
4278 (PROCESSOR_NIAGARA): New enum entry.
4279 (REGISTER_MOVE_COST): Handle Niagara.
4280 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4281 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4282 (sparc_override_options): Recognize "niagara", set appropriate
4283 default MASK_* values for it, and align functions to 32-bytes
4284 by default just like ULTRASPARC/ULTRASPARC3.
4285 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4286 (sparc64_initialize_trampoline): Likewise.
4287 (sparc_use_sched_lookahead): Use zero for niagara.
4288 (sparc_issue_rate): Use one for niagara.
4289 * config/sparc/niagara.md: New file.
4290 * config/sparc/sparc.md: Include it.
4291 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4292 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4293 when default cpu is niagara.
4294 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4295 (ASM_CPU_SPEC): Likewise.
4296 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4297 when default cpu is niagara.
4298 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4299 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4300 just like v9/ultrasparc/ultrasparc3.
4301 * doc/invoke.texi: Add documentation for "niagara" and improve
4302 existing documentation for ultrasparc variants.
4304 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4306 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4308 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4310 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4311 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4312 and say that only one is needed.
4313 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4314 * target.h (have_switchable_bss_sections): New hook.
4315 * explow.c (use_anchored_address): Check that the symbol is in a block.
4316 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4317 (bss_noswitch_section): New variables.
4318 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4319 (get_noswitch_section): New function.
4320 (get_block_for_section): Allow SECT to be null.
4321 (unlikely_text_section_p): Use SECTION_STYLE.
4322 (bss_initializer_p): New function.
4323 (get_variable_section): Move earlier in file. Take a new argument,
4324 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4325 Return one of the new *_sections in such cases.
4326 (get_block_for_decl): New function, extracting some logic from
4327 use_blocks_for_decl_p.
4328 (change_symbol_section): Remove in favor of...
4329 (change_symbol_block): ...this new function.
4330 (use_blocks_for_decl_p): Remove checks now performed by
4332 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4333 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4334 (emit_local, emit_bss, emit_common): ...these new functions.
4335 Return true if the alignment was honored.
4336 (emit_tls_common): New function.
4337 (asm_emit_uninitialised): Delete.
4338 (assemble_variable_noswitch): New function, split out from...
4339 (assemble_variable): ...here. Don't make decisions about common
4340 variables here. Globalize all public decls that go into non-common
4341 sections. Check whether SYMBOL_REF_BLOCK is null.
4342 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4343 (output_constant_pool): Likewise.
4344 (init_varasm_once): Initialize the new section variables.
4345 (have_global_bss_p): New function.
4346 (categorize_decl_for_section): Use bss_initializer_p.
4347 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4348 (place_block_symbol): Assert that the symbol must be in a block.
4349 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4350 (TARGET_INITIALIZER): Include it.
4351 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4352 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4353 (SECTION_MACH_DEP): Bump by two.
4354 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4355 (unnamed_section): Mention SECTION_UNNAMED in comment.
4356 (named_section): Likewise SECTION_NAMED.
4357 (noswitch_section_callback): New type.
4358 (noswitch_section): New structure.
4359 (section): Add a noswitch_section alternative.
4360 (SECTION_STYLE): New macro.
4361 (tls_comm_section, comm_section, lcomm_section): Declare.
4362 (bss_noswitch_section, have_global_bss_p): Declare.
4363 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4364 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4366 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4367 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4370 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4372 * gcc/tree-vrp.c (execute_vrp): Return value.
4373 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4374 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4375 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4376 (tree_lower_complex_O0): Ditto.
4377 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4378 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4379 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4380 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4381 (execute_tail_calls): Ditto.
4382 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4383 * gcc/tree.h (init_function_for_compilation): Ditto.
4384 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4385 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4386 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4387 * gcc/final.c (compute_alignments): Ditto.
4388 (rest_of_handle_final): Ditto.
4389 (rest_of_handle_shorten_branches): Ditto.
4390 (rest_of_clean_state): Ditto.
4391 * gcc/omp-low.c (execute_expand_omp): Ditto.
4392 (execute_lower_omp): Ditto.
4393 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4394 * gcc/ipa-reference.c (static_execute): Ditto.
4395 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4396 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4397 (rest_of_handle_machine_reorg): Ditto.
4398 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4399 * gcc/flow.c (recompute_reg_usage): Ditto.
4400 (rest_of_handle_remove_death_notes): Ditto.
4401 (rest_of_handle_life): Ditto.
4402 (rest_of_handle_flow2): Ditto.
4403 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4404 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4405 (do_ssa_store_ccp): Ditto.
4406 (execute_fold_all_builtins): Ditto.
4407 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4408 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4409 * gcc/ipa-pure-const.c (static_execute): Ditto.
4410 * gcc/cse.c (rest_of_handle_cse): Ditto.
4411 (rest_of_handle_cse2): Ditto.
4412 * gcc/web.c (rest_of_handle_web): Ditto.
4413 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4414 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4415 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4416 * gcc/tree-nrv.c (tree_nrv): Ditto.
4417 (execute_return_slot_opt): Ditto.
4418 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4419 (create_structure_vars): Ditto.
4420 * gcc/loop-init.c (rtl_loop_init): Ditto.
4421 (rtl_loop_done): Ditto.
4422 (rtl_move_loop_invariants): Ditto.
4423 (rtl_unswitch): Ditto.
4424 (rtl_unroll_and_peel_loops): Ditto.
4425 (rtl_doloop): Ditto.
4426 * gcc/gimple-low.c (lower_function_body): Ditto.
4427 (mark_used_blocks): Ditto.
4428 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4429 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4430 (cgraph_early_inlining): Ditto.
4431 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4432 * gcc/jump.c (cleanup_barriers): Ditto.
4433 (purge_line_number_notes): Ditto.
4434 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4435 (rest_of_handle_if_after_reload): Ditto.
4436 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4437 (tree_ssa_loop_im): Ditto.
4438 (tree_ssa_loop_unswitch): Ditto.
4439 (tree_vectorize): Ditto.
4440 (tree_linear_transform): Ditto.
4441 (tree_ssa_loop_ivcanon): Ditto.
4442 (tree_ssa_empty_loop): Ditto.
4443 (tree_ssa_loop_bounds): Ditto.
4444 (tree_complete_unroll): Ditto.
4445 (tree_ssa_loop_prefetch): Ditto.
4446 (tree_ssa_loop_ivopts): Ditto.
4447 (tree_ssa_loop_done): Ditto.
4448 * gcc/predict.c (tree_estimate_probability): Ditto.
4449 * gcc/recog.c (split_all_insns_noflow): Ditto.
4450 (rest_of_handle_peephole2): Ditto.
4451 (rest_of_handle_split_all_insns): Ditto.
4452 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4453 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4454 (rest_of_handle_stack_adjustments): Ditto.
4455 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4456 * gcc/function.c (instantiate_virtual_regs): Ditto.
4457 (init_function_for_compilation): Ditto.
4458 (rest_of_handle_check_leaf_regs): Ditto.
4459 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4460 (rest_of_handle_gcse): Ditto.
4461 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4462 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4463 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4464 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4465 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4466 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4467 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4468 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4469 * gcc/except.c (set_nothrow_function_flags): Ditto.
4470 (convert_to_eh_region_ranges): Ditto.
4471 (rest_of_handle_eh): Ditto.
4472 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4473 (remove_unnecessary_notes): Ditto.
4474 * gcc/except.h (set_nothrow_function_flags): Ditto.
4475 (convert_to_eh_region_ranges): Ditto.
4476 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4477 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4478 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4479 (execute_fre): Ditto.
4480 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4481 (rest_of_handle_jump2): Ditto.
4482 * gcc/tree-sra.c (tree_sra): Ditto.
4483 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4484 (execute_mudflap_function_decls): Ditto.
4485 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4486 (do_store_copy_prop): Ditto.
4487 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4488 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4489 * gcc/tree-ssa-forwprop.c
4490 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4491 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4492 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4493 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4494 (execute_late_warn_uninitialized): Ditto.
4495 * gcc/rtl.h (cleanup_barriers): Ditto.
4496 (split_all_insns_noflow): Ditto.
4497 (purge_line_number_notes): Ditto.
4498 (unshare_all_rtl): Ditto.
4499 (remove_unnecessary_notes): Ditto.
4500 (recompute_reg_usage): Ditto.
4501 (variable_tracking_main): Ditto.
4502 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4503 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4504 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4505 (execute_free_cfg_annotations): Ditto.
4506 (execute_fixup_cfg): Ditto.
4507 (execute_cleanup_cfg_pre_ipa): Ditto.
4508 (execute_cleanup_cfg_post_optimizing): Ditto.
4509 (execute_init_datastructures): Ditto.
4510 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4511 * gcc/combine.c (rest_of_handle_combine): Ditto.
4512 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4513 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4514 (rest_of_handle_reorder_blocks): Ditto.
4515 (rest_of_handle_partition_blocks): Ditto.
4516 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4517 * gcc/tree-profile.c (tree_profiling): Ditto.
4518 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4519 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4520 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4521 (rest_of_handle_sched2): Ditto.
4522 * gcc/basic-block.h (free_bb_insn): Ditto.
4523 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4524 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4525 (remove_useless_stmts): Ditto.
4526 (split_critical_edges): Ditto.
4527 (execute_warn_function_return): Ditto.
4528 (execute_warn_function_noreturn): Ditto.
4529 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4530 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4531 * gcc/passes.c (execute_one_pass): Run additional
4532 todos returned by execute function.
4533 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4536 2006-03-02 Richard Guenther <rguenther@suse.de>
4538 * tree-ssa-alias.c (find_used_portions): Consider taking
4539 the address as making the variable not write-only.
4541 2006-03-02 Nick Clifton <nickc@redhat.com>
4543 * config.gcc (default_use_cxa_atexit): Extend the description of
4544 this configure variable. Set its default value to "yes" for
4545 Linux, NetBSD and ELF targets on the assumption that they will
4546 use C libraries with the __cxa_atexit function.
4548 2006-03-02 Ben Elliston <bje@au.ibm.com>
4550 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4551 parameter as unused to suppress a build warning.
4553 2006-03-02 Ben Elliston <bje@au.ibm.com>
4555 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4558 2006-03-01 Roger Sayle <roger@eyesopen.com>
4561 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4562 declared name, the weak reference name, and the typeof name.
4563 (__gthrw): Avoid expanding the declared name suffix.
4564 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4566 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4568 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4570 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4571 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4572 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4573 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4574 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4575 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4576 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4577 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4578 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4579 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4580 (DW_END_default, DW_END_big, DW_END_little): New.
4581 (DW_END_lo_user, DW_END_hi_user): Define.
4582 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4583 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4584 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4587 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4589 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4591 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4593 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4595 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4597 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4598 to 'symbol_mem_tag'.
4600 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4603 2006-03-01 Roger Sayle <roger@eyesopen.com>
4605 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4607 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4610 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4611 MACHO_DYNAMIC_NO_PIC_P.
4612 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4614 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4617 * config/darwin-protos.h (darwin_asm_output_anchor):
4619 * config/darwin-sections.def (cstring_section):
4620 Add SECTION_MERGE to the flags.
4621 (literal4_section): Likewise.
4622 (literal8_section): Likewise.
4623 (objc_selector_refs_section): Likewise.
4624 (objc_cls_refs_section): Likewise.
4625 * config/darwin.c (darwin_asm_output_anchor): New
4627 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4629 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4631 Fix PR tree-optimization/26443
4632 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4633 to todo and PROP_tmt_usage to properties_destroyed.
4634 * tree-ssa-ccp.c (pass_ccp): Ditto.
4635 (pass_store_ccp): Ditto.
4636 * tree-ssa-dom.c (pass_dominator): Ditto.
4638 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4640 * tree-ssa-operands.c: Cleanup whitespace.
4641 (get_asm_expr_operands): Move before first invocation.
4642 (get_indirect_ref_operands): Likewise.
4643 (get_tmr_operands): Likewise.
4644 (get_call_expr_operands): Likewise.
4645 (append_def): Likewise.
4646 (append_use): Likewise.
4647 (append_v_may_def): Likewise.
4648 (append_v_must_def): Likewise.
4649 (add_call_clobber_ops): Likewise.
4650 (add_call_read_ops): Likewise.
4651 (add_stmt_operand): Likewise.
4652 (add_virtual_operand): Likewise.
4653 (build_ssa_operands): Likewise.
4655 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4660 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4661 with a call expr to ...
4662 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4664 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4666 * tree-vrp.c (extract_range_from_assert): Remove special
4667 handling for types with super-types.
4669 2006-03-01 Ben Elliston <bje@au.ibm.com>
4671 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4672 and powerpc64-*-linux* configurations.
4673 * config/t-dfprules: New file.
4675 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4676 Compile dfp-bit.c from the source directory using -DWIDTH and
4677 $DFP_CFLAGS to control the compilation of that file, rather than
4678 generating width-specific versions in the build directory.
4679 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4680 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4682 2006-02-28 Zack Weinberg <zackw@panix.com>
4684 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4687 2006-02-28 Eric Christopher <echristo@apple.com>
4689 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4690 Set up IN_LIBGCC definition of TARGET_64BIT.
4691 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4693 2006-02-28 Roger Sayle <roger@eyesopen.com>
4696 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4697 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4698 cases via the construction of "expr != 0".
4700 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4702 * alias.c (alias_invariant, alias_invariant_size): Remove.
4703 (record_base_value): Remove.
4704 (memrefs_conflict_p): Don't look at alias_invariant.
4705 (end_alias_analysis): Don't free it.
4706 * alias.h (record_base_value): Remove prototype.
4708 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4709 Adam Nemet <anemet@caviumnetworks.com>
4711 * rtl.h (truncated_to_mode): Declare it.
4712 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4713 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4714 (RTL_HOOKS_INITIALIZER): Include it.
4715 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4716 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4717 reg_truncated_to_mode.
4718 * rtlanal.c (truncated_to_mode): Define it.
4719 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4721 2006-02-28 Jeff Law <law@redhat.com>
4723 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4724 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4725 the range allowed by TYPE_PRECISION.
4727 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4729 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4731 PR tree-optimization/26419
4732 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4735 2006-02-27 Zack Weinberg <zackw@panix.com>
4737 * doc/md.texi: Fix typo in previous change.
4739 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4743 2006-02-27 Zack Weinberg <zackw@panix.com>
4745 * rtl.def (define_constraint, define_register_constraint)
4746 (define_memory_constraint, define_address_constraint): New MD forms.
4747 * gensupport.c (process_rtx): Put define_constraint etc on the
4749 * genpreds.c (process_define_predicate): Adjust comment. Validate
4750 the name, and call validate_exp to validate the expression.
4751 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4752 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4753 all callers changed.
4754 (validate_exp, needs_variable, struct constraint_data)
4755 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4756 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4757 (const_dbl_constraints, constraint_max_namelen)
4758 (have_register_constraints, have_memory_constraints)
4759 (have_address_constraints, have_address_constraints)
4760 (have_extra_constraints, have_const_int_constraints)
4761 (have_const_dbl_constraints, mangle, add_constraint)
4762 (process_define_constraint, process_define_register_constraint)
4763 (write_enum_constraint_num, write_lookup_constraint)
4764 (write_insn_constraint_len, write_regclass_for_constraint)
4765 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4766 (write_insn_extra_memory_constraint)
4767 (write_insn_extra_address_constraint)
4768 (write_satisfies_constraint_fns): New.
4769 (write_tm_preds_h): If we have new-style constraint definitions,
4770 prototype the functions generated from them, and define the
4771 old constraint interface (still used by generic code) in terms of
4773 (write_insn_preds_c): If we have new-style constraint definitions,
4774 generate all relevant functions from those definitions.
4775 (main): Handle define_constraint etc.
4776 * genoutput.c (struct constraint_data, indep_constraints)
4777 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4778 (mdep_constraint_len): New data structures and functions, defined
4779 #ifdef USE_MD_CONSTRAINTS.
4780 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4781 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4782 use new logic to validate operand constraints against constraint
4784 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4786 * defaults.h: If none of the old-style constraint macros are
4787 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4788 old-style macros; and poison REG_CLASS_FROM_LETTER,
4789 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4791 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4792 * doc/md.texi: Document new constraint-definition mechanism and the
4793 C interface it provides. Remove references to old mechanism
4794 elsewhere in the document.
4795 (Machine Constraints): Use pathnames relative to gcc directory,
4796 i.e. config/ARCH/FILE. Change i386 section to refer to
4797 config/i386/predicates.md; update that section to match docstrings.
4798 * doc/tm.texi: Move all documentation of the old constraint-
4799 definition macros to their own section, clearly mark as obsolete.
4801 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4802 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4804 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4805 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4806 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4808 (splits and peepholes): Use satisfies_constraint_*.
4809 * config/i386/i386.c (memory_address_length)
4810 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4812 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4814 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4815 scalar operation to be put back into the loop.
4817 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4820 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4821 (extract_cie_info): Handle S flag in augmentation string.
4822 (execute_cfa_program): If context->signal_frame, execute also
4823 fs->pc == context->ra instructions.
4824 (uw_frame_state_for): If context->signal_frame, don't subtract one
4825 from context->ra to find FDE.
4826 (uw_update_context_1): Set context->signal_frame to
4828 (_Unwind_GetIPInfo): New function.
4829 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4830 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4832 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4833 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4834 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4835 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4836 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4837 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4838 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4839 x86_64_fallback_frame_state): Set fs->signal_frame.
4840 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4841 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4842 (frob_update_context): Likewise. Workaround missing S flag in
4843 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4844 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4845 Remove the psw_addr + 1 hack.
4847 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4849 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4850 with aggregates here.
4851 (find_func_aliases): Remove code for &<aggregate> from here.
4853 2006-02-26 Roger Sayle <roger@eyesopen.com>
4855 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4856 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4857 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4860 2006-02-26 Roger Sayle <roger@eyesopen.com>
4863 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4865 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4867 * opts.c (decode_options): Do not handle flag_strength_reduce.
4868 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4869 and OPT_fstrength_reduce.
4870 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4871 flag_prefetch_loop_arrays for being nonzero.
4872 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4874 (fprefetch-loop-arrays-rtl): Removed.
4875 (flag_prefetch_loop_arrays): Do not specify the value.
4877 * doc/passes.texi: Update documentation of loop optimizer
4879 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4880 -frerun-loop-opt): Remove.
4882 2006-02-26 Richard Guenther <rguenther@suse.de>
4884 PR tree-optimization/26421
4885 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4886 in function calls that are ADDR_EXPRs as using the whole structure.
4888 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4890 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4891 * tree-pass.h (pass_loop_optimize): Remove.
4892 * passes.c (pass_loop_optimize): Never run it.
4893 * toplev.c (backend_init): Don't call init_loop.
4894 * opts.c (flag_loop_optimize_set): Remove.
4895 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4896 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4897 the old RTL loop optimizer when profiling enabled.
4898 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4899 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4900 pre-headers for the sake of the old RTL loop optimizer.
4901 * Makefile.in: Remove all references to loop.o.
4903 * doc/invoke.texi: Remove all references to -floop-optimize
4904 and -frerun-loop-opt.
4906 2006-02-26 Zack Weinberg <zackw@panix.com>
4908 * doc/md.texi (Machine Constraints): Refer to all files with paths
4909 relative to gcc directory (i.e. config/CPU/file). Add missing
4910 @table @code ... @end table to M32C subsection.
4912 2006-02-26 Roger Sayle <roger@eyesopen.com>
4914 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4916 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4918 2006-02-26 Roger Sayle <roger@eyesopen.com>
4919 James A. Morrison <phython@gcc.gnu.org>
4922 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4923 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4924 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4925 signedness of the shift operation.
4927 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4929 PR tree-optimization/26359
4930 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4932 2006-02-25 Roger Sayle <roger@eyesopen.com>
4934 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4935 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4936 as X == 0, and some symmetry related transformations.
4937 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4939 2006-02-25 Roger Sayle <roger@eyesopen.com>
4942 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4943 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4944 symmetry related transformations. Fold (X^C1) == C2 as
4947 2006-02-25 Juergen Weigert <jw@suse.de>
4948 Richard Guenther <rguenther@suse.de>
4950 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4952 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4954 * combine.c (gen_lowpart_or_truncate): Call
4955 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4957 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4959 * doc/invoke.texi: Move -fopenmp description to "Options for
4961 Remove reference to -lgomp.
4963 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4965 * doc/install.texi: Require GNU tar version 1.14.
4967 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4969 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4970 * doc/invoke.texi (C++ Dialect Options): Document
4971 -fno-use-cxa-get-exception-ptr.
4972 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4973 * configure: Regenerate.
4974 * c.opt (fuse-cxa-get-exception-ptr): New.
4975 * c-opts.c (c_common_handle_option): Handle
4976 OPT_fuse_cxa_get_exception_ptr.
4977 * c-common.c (flag_use_cxa_atexit): Update documentation.
4978 (flag_use_cxa_get_exception_ptr): New.
4979 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4980 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4982 (C_COMMON_OVERRIDE_OPTIONS): New.
4984 2006-02-24 Roger Sayle <roger@eyesopen.com>
4987 * combine.c (try_combine): Explicitly check whether GET_CODE is
4988 a SET or a CLOBBER, instead on checking that it isn't a USE.
4990 2006-02-24 Roger Sayle <roger@eyesopen.com>
4992 * fold-const.c (fold_comparison): New subroutine of fold_binary
4993 containing transformations common to both the equality and
4994 ordering relational operators, factored out of fold_binary.
4995 (fold_binary): Separate out the equality operators (EQ_EXPR
4996 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4997 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4998 transformations common to both.
4999 (fold_div_compare): Fix latent bugs in the previously unreachable
5000 LT_EXPR and GE_EXPR cases.
5002 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5004 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5005 decl libname for clog to __clog on AIX.
5007 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5009 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5012 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5013 output traceback table for thunks. Localise rs6000_stack_info call.
5015 2006-02-23 Roger Sayle <roger@eyesopen.com>
5016 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5018 * gthr-posix.h (__gthrw): Fix typo in comment.
5020 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5022 * doc/cpp.texi (Character sets): Document that we do support
5023 input files to be in any character set.
5025 2006-02-23 Jeff Law <law@redhat.com>
5027 * tree.h (PHI_ARG_NONZERO): Remove.
5028 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5029 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5030 node to the new node.
5032 PR tree-optimization/26425
5033 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5034 min/max, then assume its varying.
5036 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5038 PR rtl-optimization/26316
5039 * rtlanal.c (enum may_trap_p_flags): New.
5040 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5041 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5042 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5043 (may_trap_after_code_motion_p): New function.
5044 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5045 (find_invariant_insn): Use may_trap_after_code_motion_p.
5046 * rtl.h (may_trap_after_code_motion_p): Declare.
5048 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5050 * emit-rtl.c (immed_double_const): Cleanup.
5052 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5054 Fix PR tree-optimization/26376
5055 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5058 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5061 * gimplify.c (omp_add_variable): Guard variable size decl test with
5062 DECL_SIZE (decl) check.
5064 2006-02-23 Richard Guenther <rguenther@suse.de>
5067 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5068 like aggregate types.
5070 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5072 * configure.ac: Add --with{,out}-long-double-128 configure option.
5073 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5074 * configure: Rebuilt.
5075 * config.in: Rebuilt.
5076 * doc/install.texi (Options specification): Document
5077 --with-long-double-128.
5079 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5080 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5081 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5082 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5084 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5086 * config/s390/s390.c (override_options): Handle
5087 TARGET_DEFAULT_LONG_DOUBLE_128.
5089 * config/alpha/alpha.c (override_options): Handle
5090 TARGET_DEFAULT_LONG_DOUBLE_128.
5092 * config/sparc/sparc.c (sparc_override_options): Handle
5093 TARGET_DEFAULT_LONG_DOUBLE_128.
5095 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5097 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5098 (real-install-headers-tar, real-install-headers-cpio)
5099 (real-install-headers-cp): New targets.
5101 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5103 * tree.h (variable_section): Delete.
5104 * varasm.c (variable_section): Delete.
5106 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5108 * install.texi: Add notes on install.texi2html.
5109 (Building in parallel): Do not use footnotes.
5111 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5114 * doc/install.texi (Configuration): Document --disable-libgomp.
5116 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5118 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5120 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5122 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5123 (vec_extractv2df_0_sse): New.
5125 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5127 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5128 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5129 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5130 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5131 to the result of the expression.
5132 (def_cfa_1): Adjust.
5133 (frame_pointer_cfa_offset): Rename to...
5134 (frame_pointer_fb_offset): ... this. Adjust all uses.
5135 (convert_cfa_to_loc_list): Rename to...
5136 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5137 Pass it on to build_cfa_loc.
5138 (compute_frame_pointer_to_cfa_displacement): Rename to...
5139 (compute_frame_pointer_to_fb_displacement): ... this. New
5140 offset parameter. Use it in computation.
5141 (gen_subprogram_die): Compute cfa_fb_offset with the new
5142 macro, and use it to compute the fb loc list and the
5145 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5147 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5148 replaced with register_operand.
5149 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5150 non-DREG is expensive.
5151 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5152 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5155 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5157 * doc/install.texi2html: Use set -e.
5159 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5161 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5162 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5163 * doc/invoke.texi (-fshared-data): Delete.
5164 * common.opt (fshared-data): Delete.
5165 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5166 (assemble_static_space): Remove #if 0 code.
5167 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5168 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5169 * config/cris/cris.h: Remove FIXME.
5171 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5173 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5176 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5179 * combine.c (simplify_shift_const_1): Disable nested shifts
5180 optimization for vector shifts.
5182 2006-02-20 Roger Sayle <roger@eyesopen.com>
5184 PR tree-optimization/26361
5185 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5186 of unsigned integer types.
5188 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5190 * tree-chrec.c (eq_evolutions_p): New.
5191 * tree-chrec.h (eq_evolutions_p): Declared.
5192 * tree-data-ref.c: Fix formatting.
5193 (datadep_stats, dependence_stats): New.
5195 (print_direction_vector): New.
5196 (dump_data_dependence_relation): Use print_direction_vector.
5197 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5198 (compute_subscript_distance): Static.
5199 (initialize_data_dependence_relation): Static. Get the number
5200 of loops surrounding the references from the callers, and initialize
5201 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5202 base_object_differ_p analyzers.
5203 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5204 compute_overlap_steps_for_affine_1_2,
5205 analyze_subscript_affine_affine): Count the classified dependences.
5206 Print a message when a test failed.
5207 (can_use_analyze_subscript_affine_affine): New.
5208 (analyze_siv_subscript): Compute the data dependences on symbolic
5209 scevs that verify can_use_analyze_subscript_affine_affine.
5210 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5211 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5212 Handle symbolic scevs.
5213 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5215 (subscript_dependence_tester): Moved...
5216 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5217 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5218 DDR_SIZE_VECT instead of getting it in parameter.
5219 (subscript_dependence_tester): ... here. Take as a parameter
5220 loop_nest_depth. Call build_classic_dist_vector and
5221 build_classic_dir_vector.
5222 (compute_affine_dependence): Update subscript_dependence_tester
5223 parameters. Update datadep_stats counters. Call
5224 compute_subscript_distance.
5225 (compute_self_dependence): Save the dist and dir vectors. Call
5226 compute_subscript_distance.
5227 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5228 (compute_all_dependences): Reorder parameters as they were before
5229 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5230 compute_subscript_distance. Update the use of
5231 compute_affine_dependence and initialize_data_dependence_relation.
5232 (find_data_references_in_loop): Handle COMPONENT_REF.
5233 (compute_data_dependences_for_loop): Initialize dependence_stats.
5234 Don't call build_classic_dist_vector and build_classic_dir_vector.
5235 Update the parameters of initialize_data_dependence_relation and
5236 compute_all_dependences. Print the statistics from datadep_stats.
5237 (analyze_all_data_dependences): Static. Not used until the pass for
5238 checking the data dependences is contributed.
5239 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5240 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5241 (initialize_data_dependence_relation, compute_affine_dependence,
5242 analyze_all_data_dependences, compute_subscript_distance): Removed.
5243 (print_direction_vector): New.
5244 * lambda.h (gcd): ... here.
5245 (lambda_vector_gcd): Moved here from gcd_vector.
5246 * lambda-code.c (gcd, gcd_vector): Removed.
5247 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5248 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5250 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5252 * ipa-type-escape.c: Tidy some comments and white space.
5253 * tree-ssa-operands.c: Likewise.
5255 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5258 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5259 (dump_decl_name): Do not walk the decl tree chains.
5260 * tree-pass.h (TDF_CHAIN): Remove.
5262 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5264 * Makefile.in (C): Remove
5266 (.PHONY): Remove C and PROTO
5268 2006-02-20 Roger Sayle <roger@eyesopen.com>
5271 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5272 deprecated CHAR_TYPE tree code.
5274 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5276 * configure.ac (target_list): Add install-info, dvi, html.
5277 * configure: Regenerate.
5279 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5280 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5281 treelang/Make-lang.in: Do not use double-colon rules.
5283 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5285 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5286 (TMT_USED_ALONE): New macro.
5287 * tree-pass.h (PROP_tmt_usage): New property.
5288 (TODO_update_tmt_usage): New todo.
5289 * tree-ssa-alias.c (updating_used_alone): New variable.
5290 (recalculate_used_alone): New function.
5291 (compute_may_aliases): Set updating_used_alone, call
5292 recalculate_used_alone.
5293 * tree-sra.c (pass_sra): Note that this pass destroys
5294 PROP_tmt_usage, and add TODO_update_tmt_usage.
5295 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5296 * tree-flow.h (updating_used_alone): Prototype.
5297 (recalculate_used_alone): Ditto.
5298 * passes.c (execute_todo): Add code to set updating_used_alone,
5299 and call recalculate.
5300 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5301 for clobber if used alone, and add assert to verify used_alone
5304 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5306 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5307 for non tls symbols added.
5308 (legitimize_address): Do nothing for PLUS expressions if one of the
5309 addends is a tls symbol reference.
5311 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5315 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5317 * Makefile.in (BOOTSTRAPPING): New.
5318 (quickstrap): New definition if BOOTSTRAPPING=yes.
5320 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5321 * configure.ac: Substitute all_selected_languages with the languages
5322 that were configured. For all the other variables except
5323 lang_specs_files, include all the languages in the tree.
5324 * configure: Regenerate.
5326 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5327 if there is one. Run the commands to run fixincludes in the same
5330 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5331 * doc/install.texi: Document exact conventions for searching target tools.
5332 Document --with-build-time-tools. Document toplevel bootstrap. Document
5333 something more about building an Ada cross-compiler. Don't list GNU Make
5334 requirements which affect all platforms.
5336 2006-02-19 Roger Sayle <roger@eyesopen.com>
5339 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5340 only equivalent if the have both the same mode and precision.
5342 2006-02-20 Ben Elliston <bje@au.ibm.com>
5344 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5346 2006-02-19 Roger Sayle <roger@eyesopen.com>
5347 Steven Bosscher <stevenb.gcc@gmail.com>
5349 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5350 constant pool references to identify stack mode constants.
5351 * rtlanal.c (constant_pool_constant_p): New predicate to check
5352 whether operand is a floating point constant in the pool.
5353 * rtl.h (constant_pool_constant_p): Prototype here.
5354 * loop.c (scan_loop): Avoid hoisting constants from the constant
5355 pool on STACK_REGS targets.
5356 (load_mems): Likewise.
5357 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5358 loads into x87 registers expensive in terms of register pressure.
5360 2006-02-19 Roger Sayle <roger@eyesopen.com>
5362 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5363 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5365 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5367 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5368 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5370 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5372 * doc/invoke.texi: Document -fipa-pta.
5373 * common.opt: Add ipa-pta option.
5374 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5375 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5376 (do_ds_constraint): Ditto.
5377 (get_constraint_for): Only add to referenced_vars if
5378 referenced_vars exists.
5379 (insert_into_field_list): Rewrite to do this unsorted.
5380 (insert_into_field_list_sorted): Rename old insert_into_field_list
5382 (create_function_info_for): Use insert_into_field_list_sorted.
5383 (create_variable_info_for): Rewrite so it uses unsorted version,
5384 since the field list is sorted.
5385 (intra_create_variable_infos): Only add to referenced_vars if
5386 referenced_vars exists.
5387 (ipa_pta_execute): Init heapvars, and delete when done.
5388 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5390 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5392 * doc/install.texi: Add missing `@samp'.
5394 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5396 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5399 2006-02-18 Mark Wielaard <mark@klomp.org>
5401 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5402 who added new 4.1 features, bug fixes and integration support.
5404 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5407 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5410 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5412 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5413 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5414 (copy_insn_1): Likewise. Don't copy each field individually.
5416 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5418 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5419 * rtl.c (rtx_size): Rename variable to...
5420 (rtx_code_size): ...this.
5421 (rtx_size): New function.
5422 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5423 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5425 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5426 * rtl.h (rtx_code_size): New variable.
5427 (rtx_size): Change from a variable to a function.
5428 (RTX_SIZE): Rename to...
5429 (RTX_CODE_SIZE): ...this.
5432 PR tree-optimization/17106
5433 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5434 (Anchored Addresses): New section.
5435 * doc/invoke.texi (-fsection-anchors): Document.
5436 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5437 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5438 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5439 * hooks.c (hook_bool_mode_rtx_false): New function.
5440 * hooks.h (hook_bool_mode_rtx_false): Declare.
5441 * gengtype.c (create_optional_field): New function.
5442 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5443 SYMBOL_REF_IN_BLOCK_P is true.
5444 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5445 (min_anchor_offset, max_anchor_offset): Likewise.
5446 (use_anchors_for_symbol_p): New hook.
5447 * toplev.c (compile_file): Call output_object_blocks.
5448 (target_supports_section_anchors_p): New function.
5449 (process_options): Check that -fsection-anchors is only used on
5450 targets that support it and when -funit-at-a-time is in effect.
5451 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5452 if the decl doesn't have one.
5453 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5454 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5455 of force_const_mem through use_anchored_address.
5456 (expand_expr_constant): New function.
5457 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5458 calling expand_expr for INDIRECT_REF.
5459 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5460 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5461 * expr.h (use_anchored_address): Declare.
5462 * loop-unroll.c: Don't declare rtx vectors here.
5463 * explow.c: Include output.h.
5464 (validize_mem): Call use_anchored_address.
5465 (use_anchored_address): New function.
5466 * common.opt (-fsection-anchors): New switch.
5467 * varasm.c (object_block_htab, anchor_labelno): New variables.
5468 (hash_section, object_block_entry_eq, object_block_entry_hash)
5469 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5470 (use_blocks_for_decl_p, change_symbol_section): New functions.
5471 (get_variable_section): New function, split out from assemble_variable.
5472 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5473 use_blocks_for_decl_p say so. Use change_symbol_section if the
5474 symbol has already been created.
5475 (assemble_variable_contents): New function, split out from...
5476 (assemble_variable): ...here. Don't output any code for
5477 block symbols; just pass them to place_block_symbol.
5478 Use get_variable_section and assemble_variable_contents.
5479 (get_constant_alignment, get_constant_section, get_constant_size): New
5480 functions, split from output_constant_def_contents.
5481 (build_constant_desc): Create a block symbol if use_object_blocks_p
5482 says so. Or into SYMBOL_REF_FLAGS.
5483 (assemble_constant_contents): New function, split from...
5484 (output_constant_def_contents): ...here. Don't output any code
5485 for block symbols; just pass them to place_section_symbol.
5486 Use get_constant_section and get_constant_alignment.
5487 (force_const_mem): Create a block symbol if use_object_blocks_p and
5488 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5489 (output_constant_pool_1): Add an explicit alignment argument.
5490 Don't switch sections here.
5491 (output_constant_pool): Adjust call to output_constant_pool_1.
5492 Switch sections here instead. Don't output anything for block symbols;
5493 just pass them to place_block_symbol.
5494 (init_varasm_once): Initialize object_block_htab.
5495 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5496 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5497 (place_block_symbol, get_section_anchor, output_object_block)
5498 (output_object_block_htab, output_object_blocks): New functions.
5499 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5500 (TARGET_ASM_OUT): Include it.
5501 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5502 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5503 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5504 (TARGET_INITIALIZER): Include them.
5505 * rtl.c (rtl_check_failed_block_symbol): New function.
5506 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5507 (block_symbol, object_block): New structures.
5508 (rtx_def): Add a block_symbol field to the union.
5509 (BLOCK_SYMBOL_CHECK): New macro.
5510 (rtl_check_failed_block_symbol): Declare.
5511 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5512 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5513 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5514 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5515 * output.h (output_section_symbols): Declare.
5516 (object_block): Name structure.
5517 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5518 (default_use_anchors_for_symbol_p): Declare.
5519 * Makefile.in (RTL_BASE_H): Add vec.h.
5520 (explow.o): Depend on output.h.
5521 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5522 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5523 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5524 (rs6000_use_blocks_for_constant_p): New function.
5526 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5528 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5530 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5533 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5536 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5538 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5542 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5545 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5546 instead of DECL_REGISTER.
5548 2006-02-18 Olivier Hainque <hainque@adacore.com>
5551 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5553 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5556 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5557 * opth-gen.awk: Handle Var and InverseMask together.
5558 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5559 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5560 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5561 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5563 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5564 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5565 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5566 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5567 LINUX_DYNAMIC_LINKER): Define.
5568 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5569 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5571 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5572 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5573 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5574 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5575 (TARGET_C99_FUNCTIONS): Don't define.
5576 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5577 GLIBC_DYNAMIC_LINKER.
5578 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5579 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5580 GLIBC_DYNAMIC_LINKER64): Define.
5581 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5582 LINUX_DYNAMIC_LINKER64.
5583 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5584 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5585 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5587 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5588 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5589 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5590 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5591 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5592 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5593 and LINUX_DYNAMIC_LINKER32.
5594 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5595 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5596 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5598 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5600 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5601 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5602 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5603 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5604 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5605 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5606 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5607 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5608 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5609 LINUX_DYNAMIC_LINKER): Define.
5610 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5611 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5612 GLIBC_DYNAMIC_LINKER64): Define.
5613 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5614 LINUX_DYNAMIC_LINKER64.
5615 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5616 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5617 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5618 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5619 LINUX_DYNAMIC_LINKER): Define.
5620 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5621 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5622 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5623 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5624 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5625 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5626 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5627 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5628 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5629 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5631 * doc/invoke.texi (-muclibc): Remove caveat about supported
5634 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5636 * doc/cpp.texi (__TIMESTAMP__): Document.
5638 2006-02-17 Roger Sayle <roger@eyesopen.com>
5641 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5642 C is one less than the width of X (and related transformations).
5643 * simplify-rtx.c (simplify_unary_operation_1): Transform
5644 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5645 depending on STORE_FLAG_VALUE, were C is one less then the
5648 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5650 Fix PR tree-optimization/26341
5651 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5652 about NAME_MEMORY_TAG's.
5654 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5657 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5658 with hardware float support, and software float support. Add fcpy
5659 alternative to hardware patterns. Add alternatives to copy between
5660 general and floating-point registers to the 32-bit pattern.
5661 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5662 secondary reload to load a QI or HI mode constant into a floating
5664 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5665 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5667 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5670 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5672 (load_macho_picbase_di): Likewise.
5674 2006-02-16 Jeff Law <law@redhat.com>
5676 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5677 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5678 (ssa_name_nonzero_p): Likewise.
5679 (get_value_range): Return NULL if VRP is not running.
5680 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5681 VRP routines do not discover a range.
5682 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5683 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5684 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5685 (tree_expr_nonnegative_p): Similarly.
5686 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5687 (restore_nonzero_vars_to_original_value): Remove.
5688 (unsafe_associative_fp_binop): Remove.
5689 (tree_ssa_dominator_optimize): Remove initialization and
5690 finalization of nonzero_vars and nonzero_vars_stack.
5691 (dom_opt_initialize_block): No longer push marker on
5693 (dom_opt_finalize_block): No longer call
5694 restore_nonzero_vars_to_original_value.
5695 (record_equivalences_from_phis): No longer look for
5696 nonzero PHI arguments.
5697 (cprop_into_successor_phis): No longer propagate nonzero
5698 property into PHI arguments. Lose unused argument. Caller
5700 (record_equivalences_from_stmt): No longer record nonzero
5701 values for SSA_NAMEs.
5702 (lookup_avail_expr): No longer use nonzero_vars.
5704 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5705 for sizetype when sizetype is unsigned.
5707 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5709 PR rtl-optimization/25603
5710 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5711 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5712 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5713 with new meaning of SETS.
5715 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5720 * config/linux.opt: New file.
5721 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5722 LINUX_DYNAMIC_LINKER): Define.
5723 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5724 * config.gcc (*-*-linux*): Define extra_options.
5725 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5726 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5727 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5728 GLIBC_DYNAMIC_LINKER.
5729 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5730 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5731 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5732 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5733 * doc/invoke.texi (GNU/Linux Options): New section.
5735 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5737 * config/sparc/sparc.md (setjmp): Rewrite.
5738 (setjmp_32): Delete.
5739 (setjmp_64): Likewise.
5741 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5743 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5746 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5748 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5751 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5753 PR rtl-optimization/26296
5754 * Makefile.in (loop-invariant.c): Add except.h dependency.
5755 * loop-invariant.c: Include except.h.
5756 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5758 2005-02-16 Paul Brook <paul@codesourcery.com>
5760 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5763 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5765 PR rtl-optimization/25636
5766 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5767 when deciding whether an insn is an initializing insn.
5769 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5771 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5772 (tree_code_size): Ditto.
5773 * tree.h (struct tree_memory_tag): Remove parent_var.
5774 (struct tree_struct_field_tag): New.
5777 (union tree_node): Add sft member.
5778 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5780 (create_sft): Add size and offset argument, set SFT_OFFSET and
5782 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5783 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5784 * tree-flow-inline.h (get_subvar_at): Update for
5785 SFT_OFFSET/SFT_SIZE.
5786 (var_can_have_subvars): Ditto.
5787 (overlap_subvar): Ditto.
5788 * print-tree.c (print_node): Print out interesting things for
5790 * tree-flow.h (struct subvar): Remove offset and size members.
5791 * tree-ssa-operands.c (get_expr_operands): Update for
5792 get_indirect_ref_operands changes.
5793 (get_indirect_ref_operands): Call add_virtual_operand instead of
5794 add_stmt_operand. Only recurse on base var if requested.
5795 (access_can_touch_variable): New function.
5796 (add_stmt_operand): Split virtual operand handling into ...
5797 (add_virtual_operand): Here. Add offset, size, and for_clobber
5798 arguments. Prune alias sets.
5799 (add_call_clobber_ops): Call add_virtual_operand.
5801 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5804 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5806 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5807 than TREE_CODE as index into omp_clause_num_ops array.
5809 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5811 PR rtl-optimization/26184
5812 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5814 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5815 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5816 must_precede, must_follow and tobe_scheduled.
5819 * opts.c (common_handle_option): Free new_option pointer.
5820 * df-core.c (df_analyze): Free postorder pointer.
5822 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5824 * Makefile.in: Fix the examples about the use of stamps
5826 2006-02-15 Michael Matz <matz@suse.de>
5830 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5831 influenced by maximum_field_alignment or DECL_PACKED.
5832 (update_alignment_for_field): Ditto.
5833 (place_field): Ditto.
5834 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5837 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5839 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5840 (debug_flow_info): Pass it.
5841 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5842 * bb-reorder.c (reorder_basic_blocks): Likewise.
5843 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5844 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5845 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5846 * gcse.c (gcse_main, bypass_jumps): Likewise.
5847 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5848 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5849 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5850 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5851 * rtl.h (dump_flow_info): Adjust prototype.
5852 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5853 * var-tracking.c (variable_tracking_main): Likewise.
5854 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5855 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5858 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5860 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5863 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5865 PR tree-optimization/26209
5866 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5867 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5869 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5871 2006-02-14 Roger Sayle <roger@eyesopen.com>
5874 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5875 (X,Y) and the corresponding symmetry related transformations.
5876 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5877 (X,Y) and its symmetry related transformations.
5879 2006-02-14 Roger Sayle <roger@eyesopen.com>
5881 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5884 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5886 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5888 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5891 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5892 support COMDAT group.
5893 * configure: Regenerate.
5895 2006-02-14 Roger Sayle <roger@eyesopen.com>
5900 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5902 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5904 Fix PR tree-optimization/26260
5906 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5908 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5909 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5910 * tree-ssa-structalias.c (create_variable_info_for): Use
5911 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5913 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5915 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5917 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5918 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5919 of the ending condition.
5920 * tree-ssa-loop-manip.c: Include params.h.
5921 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5922 tree_unroll_loop): New functions.
5923 * tree-pass.h (pass_loop_prefetch): Declare.
5924 * loop.c (rest_of_handle_loop_optimize): Test for
5925 -fprefetch-loop-arrays-rtl.
5926 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5927 * timevar.def (TV_TREE_PREFETCH): New timevar.
5928 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5929 pass_loop_prefetch): New.
5930 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5931 (cleanup_tree_cfg_loop): Call scev_reset.
5932 * common.opt (fprefetch-loop-arrays-rtl): Add.
5933 * tree-ssa-loop-prefetch.c: New file.
5934 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5935 (new_temp_expr_table): Initialize expr_vars.
5936 (free_temp_expr_table): Cleanup expr_vars.
5937 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5938 expressions from being merged into one.
5939 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5940 (struct tree_niter_desc): Add control, bound and cmp fields.
5941 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5943 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5944 (tree-cfgcleanup.o): Add SCEV_H dependency.
5945 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5946 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5948 2006-02-14 Richard Guenther <rguenther@suse.de>
5950 PR tree-optimization/26258
5951 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5952 in PHI argument processing.
5954 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5956 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5957 new expression in the requested machine mode.
5959 2006-02-13 Roger Sayle <roger@eyesopen.com>
5961 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5962 directly, instead let do_compare_rtx_and_jump handle this for us.
5963 * expr.c (expand_expr_real_1): Likewise.
5964 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5965 before do_jump_by_parts_greater.
5966 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5967 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5969 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5971 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5973 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5975 PR rtl-optimization/26235
5976 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5977 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5980 2006-02-13 Jeff Law <law@redhat.com>
5982 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5985 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5988 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5989 twice if decl is a builtin. When trying again, call get_callee_fndecl
5990 first to verify it is still a builtin.
5992 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5994 * dwarf2out.c (base_type_die): Don't add AT_name here.
5995 (subrange_type_die): Don't add AT_name here.
5996 (modified_type_die): Rearrange code flow. Do add AT_name here.
5998 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6000 PR rtl-optimization/26247
6001 PR rtl-optimization/26248
6002 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6004 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6006 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6007 * config/fixtfdi.c: Likewise.
6008 * config/fixunstfdi.c: Likewise.
6009 * config/floatditf.c: Likewise.
6011 2006-02-13 Roger Sayle <roger@eyesopen.com>
6014 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6015 into (X,C2) if C1 is a subset of the bits of C2. Transform
6016 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6018 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6020 2006-02-13 Josh Conner <jconner@apple.com>
6023 * varasm.c (function_section): Check for section name before
6024 calling select_section on targets that define
6025 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6026 unlikely_text_section instead of hot_function_section if
6027 first_function_block_is_cold.
6029 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6032 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6034 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6036 PR rtl-optimization/26222
6037 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6038 after tree->rtl expansion.
6039 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6040 before passing it to emit_move_insn.
6042 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6044 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6046 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6047 Clarify documentation.
6048 * c-common.h (warn_write_strings): Remove.
6049 * c-common.c (warn_write_strings): Likewise.
6050 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6053 2006-02-12 Roger Sayle <roger@eyesopen.com>
6056 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6057 (do_jump_parts_zero_rtx): New function renamed from
6058 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6059 (do_jump_parts_equality_rtx): New function split out from
6060 do_jump_parts_equality. Old implementation renamed as above.
6061 Call do_jump_parts_zero_rtx if either operand is zero.
6062 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6063 do all of the heavy lifting.
6064 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6065 calling either do_jump_by_parts_greater_rtx or
6066 do_jump_by_parts_equality_rtx.
6067 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6068 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6069 moved to do_compare_rtx_and_jump, call it directly.
6070 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6071 mode argument. Call do_compare_rtx_and_jump.
6072 (emit_case_nodes): Update calls to do_jump_if_equal.
6074 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6076 PR rtl-optimization/26225
6077 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6079 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6081 PR rtl-optimization/26232
6082 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6084 2006-02-11 Jason Merrill <jason@redhat.com>
6087 * tree-inline.c (declare_return_variable): Just don't use the
6088 modify target if it's a gimple complex reg and the return slot
6091 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6093 * doc/contrib.texi: Update my entry.
6095 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6097 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6099 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6101 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6104 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6106 * doc/invoke.texi (-floop-optimize2): Removed.
6107 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6108 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6109 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6110 * common.opt (floop-optimize2): Removed.
6111 (fmove-loop-invariants): Enabled by default.
6113 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6115 * tree-if-conv.c (combine_blocks): Free the result of
6116 get_loop_exit_edges.
6118 2006-02-10 Jeff Law <law@redhat.com>
6120 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6122 PR tree-optimization/26213
6123 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6124 loop trying to follow SSA_NAME_VALUE chains.
6126 2006-02-10 Richard Guenther <rguenther@suse.de>
6128 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6129 deal with structures that end in implicitly variable sized arrays.
6131 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6133 PR rtl-optimization/24762
6134 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6137 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6139 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6140 (struct ivopts_data): Add regs_used field.
6141 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6142 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6143 instead of loop_data->regs_used;
6144 (free_loop_data): Do not free aux fields for loops.
6145 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6146 and tree_ssa_iv_optimize_finalize.
6148 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6150 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6152 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6155 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6156 computing the effective result type.
6158 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6161 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6162 (tree_overlaps_hard_reg_set): Declare.
6163 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6164 type and signature to match function type expected by walk_tree.
6165 (tree_overlaps_hard_reg_set): New function.
6166 (decl_conflicts_with_clobbers_p): Rename to:
6167 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6168 Use tree_overlaps_hard_reg_set. Changed caller.
6169 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6170 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6171 * cris.c (cris_md_asm_clobbers): Likewise.
6173 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6175 * reload1.c (emit_input_reload_insns): Delete code that tries to
6176 inherit using find_equiv_reg.
6178 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6180 * c-common.h (flag_const_strings): Don't declare.
6181 * c-common.c (flag_const_strings): Remove.
6182 * c.opt (fconst_strings): Remove.
6183 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6184 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6185 (c_common_init_options): Don't set flag_const_strings.
6186 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6188 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6190 * arm.md (tlobits_cbranch): New pattern.
6191 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6192 testing a single bit.
6194 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6197 * tree-ssa-pre.c (create_component_ref_by_pieces):
6198 Handle RETURN_DECL like VAR_DECL.
6200 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6203 * fold-const.c (fold_indirect_ref_1): Fold
6204 "*(foo *)&complexfoo" to "__real__ complexfoo"
6205 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6207 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6209 * tree-flow-inline.h (var_can_have_subvars):
6210 Volatile variables should not have subvariables.
6212 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6215 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6216 multiplying unsigned values.
6219 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6221 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6223 2006-02-08 Jason Merrill <jason@redhat.com>
6226 * tree.def: Elaborate on difference from MODIFY_EXPR.
6227 * doc/c-tree.texi (INIT_EXPR): Likewise.
6228 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6229 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6230 (gimplify_target_expr): Likewise.
6231 (gimplify_cond_expr): Remove target handling.
6232 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6233 (gimplify_expr): Clobber it here.
6234 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6235 Do return slot optimization if we have an INIT_EXPR.
6238 * tree-inline.c (declare_return_variable): Also clear
6239 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6242 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6245 * gimplify.c (gimplify_one_sizepos): Fix typo.
6247 2006-02-08 Jeff Law <law@redhat.com>
6249 PR tree-optimization/21417
6250 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6251 across a backedge if the control statement at the end of the
6252 block is data dependent on other statements in the same block.
6253 (record_temporary_equivalences_from_stmts): Remove over-conservative
6254 test for threading across backedges.
6256 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6257 control statement, handle all three special cases in the same
6258 manner as they all have the same desired solution. No longer
6259 special case edge flag updating when the post dominator is
6262 2006-02-08 Roger Sayle <roger@eyesopen.com>
6264 * tree.def (CHAR_TYPE): Remove.
6265 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6266 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6267 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6268 (gen_string_type_die): Delete unreachable function.
6270 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6271 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6272 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6273 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6274 * builtins.c (type_to_class): Likewise.
6275 * fold-const.c (fold_convert, build_range_check,
6276 merge_ranges): Likewise.
6277 * expr.c (count_type_elements): Likewise.
6278 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6279 * stor-layout.c (layout_type): Likewise.
6280 * ipa-type-escape.c (type_to_consider): Likewise.
6281 * gimplify.c (omp_firstprivatize_type_sizes,
6282 gimplify_type_sizes): Likewise.
6283 * explow.c (promote_mode): Likewise.
6284 * tree-sra.c (is_sra_scalar_type): Likewise.
6285 * varasm.c (output_constant): Likewise.
6286 * tree-inline.c (remap_type_1): Likewise.
6287 * convert.c (convert_to_pointer, convert_to_real,
6288 convert_to_integer, convert_to_complex): Likewise.
6290 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6292 * df-scan.c (df_def_record_1): A set destination may
6293 be a parallel regardless of mode.
6295 2006-02-08 Roger Sayle <roger@eyesopen.com>
6298 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6299 * config/mips/_tilib.c: Remove.
6300 * config/fixtfdi.c: New libgcc source file.
6301 * config/fixunstfdi.c: New source file.
6302 * config/floatditf.c: New source file.
6303 * config/floatunditf.c: New souce file.
6304 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6305 files above instead of config/mips/_tilib.c.
6306 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6308 2006-02-08 Jeff Law <law@redhat.com>
6310 PR tree-optimization/26169
6311 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6314 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6316 * df.h (DF_REG_SIZE): Return the length of the initialized
6319 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6321 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6322 __muldf3): Return a correctly signed zero.
6324 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6326 * passes.c (register_one_dump_file): Accept the current properties
6327 instead of pass number. Adjust call to dump_register. Remove
6329 (register_dump_files): Now a wrapper around...
6330 (register_dump_files_1): ... this one. Do not modify the pass
6332 (next_pass_1): Cosmetic fix.
6333 (execute_todo): Keep second parameter only. Use curr_properties
6334 instead of fetching it from the pass structure. Check and set
6336 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6337 instead of fetching it from the pass structure. Fix calls to
6338 execute_todo. Update curr_properties and initialize .vcg RTL dump
6339 after running the pass. Reset last_verified.
6340 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6342 (FIRST_AUTO_NUMBERED_DUMP): New.
6343 (dump_register): Remove "num" parameter, assign it within the
6345 (get_dump_file_name): Modify template for dumps.
6346 * tree-dump.h (dump_register): Adjust prototype.
6347 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6348 (PROP_trees): Add PROP_gimple_lomp.
6349 (TODO_set_props): New.
6350 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6351 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6352 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6354 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6356 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6357 (sparc64-*-linux*): Likewise.
6358 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6359 * config/sparc/t-linux: New file.
6360 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6361 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6362 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6363 -m32 -mlong-double-128.
6365 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6366 * config/alpha/t-linux: New file.
6367 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6369 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6370 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6371 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6372 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6373 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6374 (CPP_ARCH32_SPEC): Remove.
6376 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6378 PR tree-optimization/26145
6379 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6382 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6385 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6386 >= 240000 when generating code for SOM runtime.
6387 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6388 to $$dyncall when generating code for SOM runtime..
6390 2006-02-07 Dirk Mueller <dmueller@suse.com>
6393 * doc/invoke.texi (-Wsequence-point): Update documentation
6394 that -Wsequence-point is implemented for C++ as well.
6396 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6398 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6399 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6400 (LIB_SPEC): Likewise.
6401 * doc/invoke.texi (SPARC options): Document -pthread.
6403 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6405 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6408 2006-02-07 Roger Sayle <roger@eyesopen.com>
6410 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6411 Correct comment describing BOOLEAN_TYPE.
6413 2006-02-07 Dirk Mueller <dmueller@suse.com>
6415 * c.opt: C++ frontend supports -Wdiv-by-zero.
6416 * c-opts.c (c_common_handle_option): Remove dead case.
6418 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6420 * configure.ac (TLS assembler check): Do not enable TLS by
6421 default on SPARC/Solaris before version 10.
6422 * configure: Regenerate.
6424 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6426 * doc/invoke.texi (xl-compat): Document conversion and support
6429 2006-02-07 Jeff Law <law@redhat.com>
6431 * tree-vrp.c (find_conditional_asserts): Update comments.
6432 (simplify_stmt_for_jump_threading): New.
6433 (identify_jump_threads, finalize_jump_threads): New.
6434 (vrp_finalize): Call identify_jump_threads.
6435 (execute_vrp): Call finalize_jump_threads.
6436 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6437 (vrp_element, vrp_data, vrp_element_p): Remove.
6438 (vrp_hash_elt, vrp_variables_stack): Remove.
6439 (vrp_hash, vrp_eq, record_range): Remove.
6440 (simplify_cond_and_lookup_avail_expr): Remove.
6441 (extract_range_from_cond): Remove.
6442 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6443 (simplify_stmt_for_jump_threading): New.
6444 (dom_thread_across_edge): New wrapper.
6445 (tree_ssa_dominator_optimize): No longer initialize or
6446 finalize any of the VRP datastructures. Remove iteration
6447 step and simplify as a result of removal of iteration step.
6448 (pass_dominator): Perform a cfg cleanup after DOM.
6449 (dom_opt_finalize_block): Use the new common routines
6450 for threading jumps. Simplify stack management slightly.
6451 No longer need to unwind VRP state.
6452 (record_equivalences_from_incoming_edge): No longer record
6454 (eliminate_redundant_computations): No longer call
6455 simplify_cond_and_lookup_avail_expr.
6456 * tree-flow.h (potentially_threadable_block): Prototype.
6457 (thread_across_edge): Likewise.
6458 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6459 (tree-ssa-threadedge.o): Add dependencies.
6460 * tree-ssa-threadedge.c: New file.
6461 * passes.c (init_optimization_passes): Merge PHIs before
6462 calling VRP. Run VRP again late in the SSA optimization pipeline.
6464 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6466 * df-core.c (df_set_blocks): Do not dereference function pointers.
6467 (df_finish1): Likewise.
6468 (df_hybrid_search_forward): Likewise.
6469 (df_hybrid_search_backward): Likewise.
6470 (df_iterative_dataflow): Likewise.
6471 (df_analyze_problem): Likewise.
6472 (df_compact_blocks): Likewise.
6473 (df_dump): Likewise.
6474 * df-scan.c (df_rescan_blocks): Likewise.
6475 (df_record_entry_block_defs): Likewise.
6477 * genconditions.c (write_conditions): Guard the definition of
6478 'insn_conditions' with the check on GCC version.
6479 (write_writer): Guard the traversal 'insn_conditions' with
6480 the check on GCC version.
6482 2006-02-07 Richard Guenther <rguenther@suse.de>
6486 2006-01-30 Richard Guenther <rguenther@suse.de>
6488 * gimplify.c (gimplify_target_expr): Handle easy cases
6489 without creating a temporary.
6491 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6493 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6494 use of float in probability computations. Use edge probabilities
6495 in place of statically computed probabilities.
6496 (min_spec_prob): New static variable.
6497 (schedule_insns): Initialize it.
6498 (GET_SRC_PROB): Removed.
6499 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6501 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6504 * config/ia64/unwind-ia64.c: Revert last change.
6505 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6506 (INCOMING_FRAME_SP_OFFSET): Define.
6508 2006-02-06 Roger Sayle <roger@eyesopen.com>
6510 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6512 2006-02-07 Ben Elliston <bje@au.ibm.com>
6514 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6515 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6516 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6517 (ix86_return_in_memory): Handle TDmode.
6518 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6519 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6521 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6523 * reorg.c (dbr_schedule): Use dump_file instead of file.
6525 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6528 * config/ia64/predicates.md (extr_len_operand): New predicate.
6529 * config/ia64/ia64.md (extv): Tighten constraints.
6531 (*tbit_and_2): Ditto.
6532 (*tbit_and_3): Ditto.
6533 (*tbit_or_2): Ditto.
6534 (*tbit_or_3): Ditto.
6538 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6541 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6543 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6545 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6546 loop_optimizer_init and loop_optimizer_finalize
6547 * tree-ssa-sink.c (execute_sink_code): Ditto.
6548 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6549 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6550 tree_ssa_loop_done): Ditto.
6551 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6552 * sched-ebb.c: Include output.h.
6553 (schedule_ebbs): Do not use dump argument.
6554 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6555 * loop.c (loop_dump_stream): Removed.
6556 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6558 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6559 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6560 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6561 loop_iterations, strength_reduce, record_biv, record_giv,
6562 final_giv_value, check_final_value, check_ext_dependent_givs,
6563 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6564 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6565 dump_file instead of loop_dump_stream.
6566 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6568 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6570 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6571 * haifa-sched.c: Include output.h
6572 (schedule_insns, sched_init): Do not use dump argument.
6573 * mode-switching.c (optimize_mode_switching): Ditto.
6574 * modulo-sched.c (stats_file): Removed.
6575 (print_node_sched_params): Do not call argument dump_file.
6576 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6577 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6579 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6581 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6582 rtl_loop_init, rtl_loop_done): Ditto.
6583 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6584 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6586 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6587 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6588 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6589 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6590 * emit-rtl.c (renumber_insns): Ditto.
6591 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6592 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6593 * regclass.c (regclass): Ditto.
6594 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6595 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6596 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6597 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6599 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6600 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6602 * gcse.c (gcse_file, debug_stderr): Removed.
6603 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6604 rest_of_handle_gcse): Do not use dump argument.
6605 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6606 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6607 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6608 compute_code_hoist_vbeinout, compute_code_hoist_data,
6609 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6610 compute_store_table, build_store_vectors, insert_insn_start_bb,
6611 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6612 store_motion): Use dump_file instead of gcse_file.
6613 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6614 * profile.c (profile_dump_file): Removed.
6615 (branch_prob): Use dump_file instead of profile_dump_file.
6616 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6618 * tree-ssa-copy.c (dump_copy_of): Ditto.
6619 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6620 dump file to life_analysis.
6621 * bt-load.c (branch_target_load_optimize): Ditto.
6622 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6624 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6625 regclass, dbr_schedule): Declaration changed.
6626 * sched-int.h (sched_init): Declaration changed.
6627 * tree-profile.c (tree_profile_dump_file): Removed.
6628 (tree_profile_hooks): Removed profile_dump_file hook.
6629 * rtl-profile (rtl_profile_dump_file): Removed.
6630 (rtl_profile_hooks): emoved profile_dump_file hook.
6631 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6633 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6634 * tree-cfg.c (build_tree_cfg): Ditto.
6635 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6636 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6637 Declaration changed.
6638 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6639 life_analysis and schedule_insns.
6640 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6642 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6644 * config/mips/mips.c (mips_reorg): Ditto.
6645 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6648 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6650 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6651 (s390_mangle_fundamental_type): New.
6652 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6655 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6656 (alpha_mangle_fundamental_type): New.
6657 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6660 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6662 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6664 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6665 (sparc_mangle_fundamental_type): New.
6667 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6669 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6670 (s390x-*-linux*): Likewise.
6671 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6672 * config/s390/t-linux: New file.
6674 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6676 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6677 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6679 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6681 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6682 (ANTIC_SAFE_LOADS): New macro.
6683 (find_or_generate_expression): Add prototype.
6684 (set_contains_value): Allow null set for sake of not always having
6685 to allocate ANTIC_SAFE_LOADS.
6686 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6687 Allow COMPONENT_REF too.
6688 (valid_in_set): Allow COMPONENT_REF.
6689 Check ANTIC_SAFE_LOADS too.
6690 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6691 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6693 (can_PRE_operation): Add COMPONENT_REF.
6694 (create_component_ref_by_pieces): New function.
6695 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6696 (insert_aux): Move AGGREGATE_TYPE_P check here.
6697 (compute_avail): Set bb local stmt uids.
6698 (pass_pre): Use TODO_update_ssa_only_virtuals.
6700 2006-02-06 Ben Elliston <bje@au.ibm.com>
6702 * configure.ac: Unconditionally disable decimal float by default.
6703 * configure: Regenerate.
6705 2006-02-06 Ben Elliston <bje@au.ibm.com>
6707 * read-rtl.c (read_name): Terminate reading on EOF.
6709 2006-02-06 Ben Elliston <bje@au.ibm.com>
6711 * dfp.c (decimal_real_arithmetic): Change second argument type
6712 from int to enum tree_code. Do not always return true, but now
6713 return result of any call to decimal_do helper functions.
6714 * dfp.h (decimal_real_arithmetic): Update prototype.
6716 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6718 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6720 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6723 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6726 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6728 * tree-vrp.c (cfg_loops): Removed.
6729 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6730 Use current_loops instead of cfg_loops. Pass flags to
6731 loop_optimizer_init.
6732 * cfgloopmanip.c (fix_loop_structure): Update only available
6734 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6735 loop_optimizer_init.
6736 * modulo-sched.c (build_loops_structure): Removed.
6737 (sms_schedule): Use loop_optimizer_init.
6738 * loop-init.c (loop_optimizer_init): Use flags to determine
6739 which properties of loops to prepare.
6740 (rtl_loop_init): Pass flags to loop_optimizer_init.
6741 * tree-ssa-sink.c (execute_sink_code): Ditto.
6742 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6743 * tree-ssa-pre.c (init_pre): Ditto.
6744 * cfgloop.h (LOOPS_NORMAL): New.
6745 (loop_optimizer_init): Declaration changed.
6747 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6749 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6750 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6752 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6754 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6756 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6757 * pa/t-pa64: Delete quadlib.c rule.
6758 * pa/x-ada: Revert last change.
6759 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6761 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6763 PR rtl-optimization/26087
6764 * rtlanal.c (canonicalize_condition): Do not cross basic block
6767 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6770 * config/ia64/ia64.c: Include debug.h.
6771 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6772 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6773 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6774 (process_epilogue, process_set, process_for_unwind_directive):
6775 Output unwind info only if requested. Add CFA info if requested.
6776 Add new arguments as needed. Adjust callers.
6777 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6779 (DWARF2_FRAME_INFO): Define to zero.
6780 * config/ia64/unwind-ia64.c: Remove code that compensated for
6781 the CFA offset error fixed above.
6782 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6783 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6784 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6785 -funwind-tables and -fexceptions to enable frame info.
6786 (dwarf2out_frame_init): Define initial CFA even if
6787 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6788 DWARF2_UNWIND_INFO is nonzero, not just defined.
6789 (dwarf2out_frame_finish): Output non-EH call frame info only
6790 if DWARF2_FRAME_INFO is nonzero.
6791 (convert_cfa_to_loc_list,
6792 compute_frame_pointer_to_cfa_displacement): Define even if
6793 unwind info is not supported.
6794 (gen_subprogram_die): Use the above unconditionally. Remove
6795 legacy alternate code.
6796 * toplev.c (compile_file): Compile in call to
6797 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6798 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6800 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6801 Jakub Jelinek <jakub@redhat.com>
6803 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6804 IBM extended float format long double as "g" on powerpc*-linux.
6806 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6809 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6810 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6812 2006-02-03 Jason Merrill <jason@redhat.com>
6815 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6818 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6819 on the return slot if it's an NRV.
6821 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6823 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6824 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6825 rewrite_use): Do not handle USE_OUTER.
6826 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6827 add_iv_outer_candidates, may_replace_final_value,
6828 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6829 (find_interesting_uses_op): Functionality of
6830 find_interesting_uses_outer_or_nonlin moved here.
6831 (find_interesting_uses_outside): Use find_interesting_uses_op.
6833 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6836 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6838 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6839 Ulrich Weigand <uweigand@de.ibm.com>
6842 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6843 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6844 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6845 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6847 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6848 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6849 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6850 Define secondary reloads for TFmode moves.
6851 (constant_modes): Add TFmode.
6852 (NR_C_MODES): Set to 8.
6853 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6855 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6856 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6857 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6858 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6859 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6860 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6861 (FPR mode macro): Add TFmode.
6862 (DSF mode macro): New.
6863 (<de>, <dee> mode attributes): Removed.
6864 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6865 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6866 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6867 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6868 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6869 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6870 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6871 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6872 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6873 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6874 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6875 "*negabs<mode>2", "sqrt<mode>2"):
6876 Changed <de> to <xde>. R constraint replaced by <Rf>.
6877 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6879 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6880 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6881 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6883 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6884 "extenddftf2", "extendsftf2"): New expanders.
6885 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6886 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6887 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6888 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6890 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6891 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6892 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6893 __floatditf): Add a GCC_4.1.0 symbol version tag.
6894 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6897 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6900 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6901 Use targetm.binds_local_p instead of TREE_PUBLIC.
6903 2006-02-02 Roger Sayle <roger@eyesopen.com>
6905 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6906 on INTEGER_TYPEs to indicate that it denotes a character type.
6907 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6908 signed_char_type_node, unsigned_char_type_node and char_type_node.
6909 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6910 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6911 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6913 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6914 Daniel Berlin <dberlin@dberlin.org>
6916 * tree-tailcall.c (arg_needs_copy_p): New function.
6917 (eliminate_tail_call): Use arg_needs_copy_p.
6918 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6919 (add_virtual_phis): New function.
6921 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6923 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6924 #ignore instead of #scratch for %g7 .register directive.
6926 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6928 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6931 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6933 * flow.c (calculate_global_regs_live): Assert that there aren't any
6936 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6938 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6940 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6941 bsi_after_labels iterator.
6942 * tree-if-conv.c (find_phi_replacement_condition,
6943 replace_phi_with_cond_modify_expr): Likewise.
6944 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6945 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6947 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6949 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6951 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6954 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6955 array after growing it.
6957 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6960 * fold-const.c (fold_checksum_tree): Change type of buf.
6962 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6964 * reload.c (push_secondary_reload): Initialize t_icode.
6966 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6968 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6969 -msoft-float -mlong-double-128 only issue a warning, but don't
6970 swich to DFmode long double.
6972 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6974 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6975 has a constant equivalent, iterate over equivalents for arg0,
6976 calling simplify_relational_operation and if there's a result
6977 cheaper than X, apply fold_rtx and return the result.
6979 2006-02-01 Jan Hubicka <jh@suse.cz>
6981 * opts.c (no_unit_at_a_time_default): New global variable.
6982 (decode_options): Use it.
6983 * opts.h (no_unit_at_a_time_default): Declare.
6985 2006-02-01 Paul Brook <paul@codesourcery.com>
6987 * function.c (assign_parm_setup_reg): Use function argument promotion
6989 * expr.c (expand_expr_real_1): Use function argument promotion rules
6992 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6994 * gcc.c (process_command): Change j to 'unsigned int'.
6996 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6999 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7000 Use the corrected index for the character
7001 out of the string constant.
7003 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7005 * mode-switching.c (optimize_mode_switching): Fix size
7006 allocated for bb_info[n_entities].
7008 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7010 * gcc.c (main): Correct type that is allocated for
7011 explicit_link_files.
7013 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7015 * config/s390/s390.c (init_alignment_context): Set
7016 ALIAS_SET_MEMORY_BARRIER on the MEM.
7017 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7019 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7022 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7024 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7027 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7029 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7030 * regrename.c: Ditto.
7031 * tree-ssa-loop-im.c: Ditto.
7032 * tree-dump.c: Ditto.
7033 * tree-complex.c: Ditto.
7034 * genrecog.c: Ditto.
7035 * tree-ssa-threadupdate.c: Ditto.
7037 * java/class.c: Ditto.
7038 * java/jcf-parse.c: Ditto.
7039 * java/resource.c: Ditto.
7040 * java/except.c: Ditto.
7041 * java/jvspec.c: Ditto.
7042 * java/jcf-write.c: Ditto.
7043 * java/jcf-path.c: Ditto.
7044 * java/gjavah.c: Ditto.
7045 * java/zextract.c: Ditto.
7046 * java/jcf-io.c: Ditto.
7047 * java/jcf.h: Ditto.
7048 * java/buffer.c: Ditto.
7049 * java/lang.c: Ditto.
7050 * java/parse-scan.y: Ditto.
7051 * java/lex.c: Ditto.
7052 * java/lex.h: Ditto.
7053 * cfgloopmanip.c: Ditto.
7054 * postreload-gcse.c: Ditto.
7055 * tree-ssa-loop-manip.c: Ditto.
7056 * postreload.c: Ditto.
7057 * tree-ssa-loop-ch.c: Ditto.
7061 * diagnostic.c: Ditto.
7063 * genoutput.c: Ditto.
7065 * cfghooks.c: Ditto.
7066 * cfgloopanal.c: Ditto.
7067 * objc/objc-act.c: Ditto.
7069 * genextract.c: Ditto.
7070 * genautomata.c: Ditto.
7071 * pretty-print.c: Ditto.
7073 * cgraphunit.c: Ditto.
7076 * haifa-sched.c: Ditto.
7077 * dominance.c: Ditto.
7079 * tree-ssa-loop-ivopts.c: Ditto.
7081 * mode-switching.c: Ditto.
7082 * modulo-sched.c: Ditto.
7084 * ipa-pure-const.c: Ditto.
7086 * fix-header.c: Ditto.
7088 * tree-stdarg.c: Ditto.
7089 * ipa-utils.c: Ditto.
7090 * loop-init.c: Ditto.
7091 * ipa-inline.c: Ditto.
7094 * alloc-pool.c: Ditto.
7095 * dwarf2out.c: Ditto.
7097 * genattrtab.c: Ditto.
7098 * tree-ssa-loop-ivcanon.c: Ditto.
7102 * fortran/gfortranspec.c: Ditto.
7104 * local-alloc.c: Ditto.
7105 * langhooks.c: Ditto.
7106 * function.c: Ditto.
7107 * tree-vectorizer.c: Ditto.
7109 * ipa-type-escape.c: Ditto.
7111 * tree-if-conv.c: Ditto.
7114 * tree-data-ref.c: Ditto.
7115 * loop-unroll.c: Ditto.
7116 * treelang/treetree.c: Ditto.
7119 * ggc-common.c: Ditto.
7121 * coverage.c: Ditto.
7123 * tree-cfgcleanup.c: Ditto.
7124 * tree-ssa-pre.c: Ditto.
7125 * cfgcleanup.c: Ditto.
7126 * loop-invariant.c: Ditto.
7128 * ipa-prop.c: Ditto.
7129 * print-tree.c: Ditto.
7130 * conflict.c: Ditto.
7131 * ggc-page.c: Ditto.
7132 * sched-deps.c: Ditto.
7133 * regclass.c: Ditto.
7134 * tree-object-size.c: Ditto.
7136 * bb-reorder.c: Ditto.
7137 * resource.c: Ditto.
7138 * var-tracking.c: Ditto.
7140 * df-problems.c: Ditto.
7141 * reg-stack.c: Ditto.
7144 * sched-rgn.c: Ditto.
7145 * tree-ssa-structalias.c: Ditto.
7146 * tree-ssa-reassoc.c: Ditto.
7147 * config/darwin-c.c: Ditto.
7148 * config/darwin.c: Ditto.
7149 * config/arm/arm.c: Ditto.
7151 * collect2.c: Ditto.
7154 2006-01-31 Nicolas Pitre <nico@cam.org>
7156 * arm.md (smaxsi3): Make aware of smax_m1.
7159 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7161 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7163 2006-01-31 Richard Guenther <rguenther@suse.de>
7165 * doc/invoke.texi (-msselibm): Document.
7166 * target.h (expand_library_builtin): New target hook.
7167 * builtins.c (expand_builtin): Use expand_library_builtin.
7168 (default_expand_library_builtin): New function.
7169 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7170 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7171 (link_gcc_math_spec): Declare.
7172 (static_specs): Add link_gcc_math_spec.
7173 * expr.h (default_expand_library_builtin): Declare.
7174 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7175 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7176 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7177 * config/i386/i386.opt (msselibm): New target option.
7178 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7179 (ix86_init_sse_abi_builtins): New function.
7180 (ix86_expand_library_builtin): Likewise.
7181 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7182 (override_options): Handle error conditions wrt -msselibm.
7183 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7184 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7185 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7188 2006-01-31 Richard Guenther <rguenther@suse.de>
7189 Paolo Bonzini <bonzini@gnu.org>
7191 * doc/install.texi (--disable-libgcc-math): Document.
7193 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7195 * expr.h (expand_normal): new inline function.
7196 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7198 * dwarf2out.c: use it.
7203 * config/sparc/sparc.c: use it.
7204 * config/i386/i386.c: use it.
7205 * config/rs6000/rs6000.c: use it.
7206 * config/arm/arm.c: use it.
7207 * config/mips/mips.c: use it.
7208 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7210 2006-01-30 Roger Sayle <roger@eyesopen.com>
7212 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7213 argv to the appropriate type.
7215 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7217 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7220 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7223 * config/s390/s390.c (struct machine_function): New flag
7224 decomposed_literal_pool_addresses_ok_p.
7225 (s390_reorg): Set it before final stage of literal pool transforms.
7226 (s390_decompose_address): Only accept displacements of the form
7227 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7229 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7231 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7232 the comparison routine return.
7234 2006-01-30 Michael Matz <matz@suse.de>
7236 * global.c (find_reg): Only evict for global regs.
7237 Take n_refs into account and dump more info.
7239 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7242 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7243 (pragma_trap, pragma_nosave_low_regs): Likewise.
7244 (current_function_anonymous_args): Likewise.
7245 (sh_deferred_function_attributes): New variable.
7246 (sh_deferred_function_attributes_tail): Likewise.
7247 (print_operand): For '@', look up trap_exit attribute.
7248 (calc_live_regs): Look up trapa_handler attribute. For trapa
7249 handlers, save/restore fpscr, but don't do any other
7250 interrupt-specific saves.
7251 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7252 Fix check for partially saved registers to check for SHmedia.
7253 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7254 (sh_output_function_epilogue): Don't clear any of the removed
7256 (sh_insert_attributes): Don't check pragma_interrupt.
7257 Insert deferred attributes. Check that interrupt attribute is
7258 present for other attributes that require its presence.
7259 (sh_attribute_table): Add new attributes trapa_handler and
7261 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7262 Don't check for pragma_interrupt. Don't store argument.
7263 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7264 (sh_deferred_function_attributes): Declare.
7265 (sh_deferred_function_attributes_tail): Likewise.
7266 * sh.md (sp_switch_1): Add operand. Change generator caller.
7267 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7268 (*return_i): Don't use when trap_exit attribute is in effect.
7269 (*return_trapa): New insn pattern.
7271 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7272 setting c_target_objs and cxx_target_objs.
7273 * t-sh: Add rule for sh-c.o.
7275 2006-01-30 Richard Guenther <rguenther@suse.de>
7278 * gimplify.c (gimplify_target_expr): Handle easy cases
7279 without creating a temporary.
7281 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7283 * vec.h (safe_grow): Remove duplicated line.
7285 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7288 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7289 (expand_omp): ... here.
7290 (expand_omp_parallel): Only remove barriers for combined
7291 parallel+workshare constructs.
7293 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7297 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7298 * tree.c (build_qualified_type): Chain the new type to the original
7299 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7300 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7301 (build_pointer_type_for_mode): Only return unqualified types.
7302 (build_reference_type_for_mode): Likewise.
7304 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7306 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7307 * Makefile.in (CXX_COMPAT_WARN): Define.
7308 * configure: Regenerate.
7310 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7313 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7316 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7318 * toplev.c: Fix thinko.
7320 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7321 Marcin Dalecki <martin@dalecki.de>
7323 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7324 (push_srcloc): Use XNEW.
7325 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7327 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7329 * df-core.c (df_set_blocks): Deleted all variable.
7331 2006-01-28 Ian Lance Taylor <ian@airs.com>
7333 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7334 cgraph_output_pending_asms.
7336 2006-01-28 Zack Weinberg <zackw@panix.com>
7338 * c.opt: Add -W(no-)overlength-strings.
7339 * doc/invoke.texi: Document it.
7340 * c-opts.c (c_common_handle_option): -pedantic implies
7341 -Woverlength-strings, if not explicitly disabled already.
7342 (c_common_post_options): -Woverlength-strings defaults to off, and
7343 is always off for C++.
7344 * c-common.c (fix_string_type): Issue warning about strings longer
7345 than is portable only if warn_overlength_strings. Rearrange code
7346 a little for clarity.
7347 * configure.in: Check for -Wno-overlength-strings as well before
7348 enabling -pedantic in stage 1.
7349 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7350 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7352 * genconditions.c (write_header, write_one_condition)
7353 (write_conditions, write_writer): Consolidate very long strings
7354 that were broken up to fit in C89 portable limit. Don't use
7355 printf when fputs will do.
7357 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7359 * combine.c (simplify_comparison <AND>): Check
7360 TRULY_NOOP_TRUNCATION before start using a subreg.
7362 * config/mips/mips.md (*branch_zero<mode>,
7363 *branch_zero<mode>_inverted, *branch_equality<mode>,
7364 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7365 Remove mode check from comparisons.
7367 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7369 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7371 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7373 * expmed.c (const_mult_add_overflow_p): Remove.
7374 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7376 * recog.c (validate_replace_rtx_subexp): Remove.
7377 * recog.h: Remove the prototype for
7378 validate_replace_rtx_subexp.
7380 * integrate.h: Remove the prototype for
7381 copy_decl_for_inlining.
7382 * rtl.h: Remove the prototype for mark_constant_function.
7383 * tree-vectorizer.h: Remove the prototype for
7384 vect_strip_conversion.
7386 * modulo-sched.c (create_partial_schedule,
7387 free_partial_schedule, reset_partial_schedule): Make them
7390 * hooks.c (hook_bool_rtx_int_false): Remove.
7391 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7393 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7395 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7396 and -mlong-double-128 are incompatible.
7397 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7398 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7399 (TARGET_LIBGCC2_CFLAGS): Define.
7400 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7401 (TARGET_LIBGCC2_CFLAGS): Same.
7402 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7404 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7407 * c-typeck.c (build_binary_op): Perform implicit casts of
7408 operands before shortening them.
7410 * cfgloopmanip.c (split_loop_bb): Remove.
7411 * cfgloop.h: Remove the prototype for split_loop_bb.
7413 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7414 * cfgloop.h: Remove the prototype for
7415 flow_loop_outside_edge_p.
7417 * emit-rtl.c (init_virtual_regs): Make it static.
7418 * function.h: Remove the prototype for init_virtual_regs.
7420 * recog.c (peephole2_optimize): Make it static.
7421 * recog.h: Remove the prototype for peephole2_optimize.
7423 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7425 * df-scan.c (df_record_entry_block_defs): Check if
7426 INCOMING_RETURN_ADDR_RTX is defined.
7428 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7429 Kenneth Zadeck <zadeck@naturalbridge.com>
7431 PR rtl-optimization/24762
7432 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7433 * targhooks.c (hook_void_bitmap): New hook prototype.
7434 * targhoohs.h (hook_void_bitmap): Ditto.
7435 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7436 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7437 * target.h (live_on_entry): New function pointer.
7438 * df-scan.c (df_all_hard_regs): Removed.
7439 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7440 (df_scan_free_internal): Added df->entry_block_defs.
7441 (df_scan_alloc): Ditto.
7442 (df_scan_dump): Ditto.
7443 (df_uses_record): Plumbed flag field properly thru calls.
7444 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7445 This part fixes PR24762.
7446 (df_bb_refs_record): Added code to make the frame and arg
7447 pointers live in EH blocks.
7448 (df_refs_record): Added call to df_record_entry_block_defs.
7449 (df_record_entry_block_defs): New function.
7450 * df-core.c: Added comments to describe new artifical defs.
7451 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7452 (entry_block_defs): New field in struct df.
7453 (df_all_hard_regs): Deleted.
7454 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7455 * df-problems.c (df_ru_bb_local_compute_process_def):
7456 Added code to handle artifical defs in the entry to a function.
7457 (df_ru_bb_local_compute): Ditto.
7458 (df_rd_bb_local_compute_process_def): Ditto.
7459 (df_rd_bb_local_compute): Ditto.
7460 (df_lr_bb_local_compute): Ditto.
7461 (df_ur_bb_local_compute): Ditto.
7462 (df_urec_bb_local_compute): Ditto.
7463 (df_chain_create_bb): Ditto.
7464 (df_ur_local_finalize): Removed entry.
7465 (df_urec_init): Ditto.
7466 (df_urec_local_finalize): Ditto.
7467 (df_ri_bb_compute): Added detection of last use of pseudos.
7468 * Makefile.in (df-scan.o): Updated dependencies.
7469 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7470 * config/mips/mips.c (mips_set_live_on_entry): Added.
7471 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7473 * dce.c (marked_insn_p): Added code to handle artifical defs.
7475 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7477 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7479 (_mm_cvtsi128_si64): Likewise.
7480 (_mm_cvtsd_si64): Likewise.
7481 (_mm_cvttsd_si64): Likewise.
7482 (_mm_cvtsi64_sd): Likewise.
7483 (_mm_cvtsi64_si128): Likewise.
7484 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7485 (_mm_cvtsi64_m64): Likewise.
7486 (_m_to_int64): Likewise.
7487 (_mm_cvtm64_si64): Likewise.
7488 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7489 (_mm_cvttss_si64): Likewise.
7490 (_mm_cvtsi64_ss): Likewise.
7491 (_mm_cvtss_f32): Likewise.
7493 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7495 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7496 for pragma redefine_extname.
7498 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7501 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7502 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7503 -mno-minimal-toc to previous content.
7504 (bispecs): Remove goal.
7505 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7506 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7507 compatibility aliases on powerpc-*-*gnu*.
7508 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7509 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7510 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7511 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7512 (ldblspecs): New goal.
7513 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7514 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7516 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7517 L_sf_to_tf or L_df_to_tf is defined.
7519 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7520 Alan Modra <amodra@bigpond.net.au>
7523 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7524 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7525 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7526 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7527 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7528 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7529 (rs6000_override_options): Initialize rs6000_ieeequad.
7530 Initialize TFmode format to ibm_extended_format if not
7532 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7534 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7535 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7536 (function_arg_advance): IBM long double passed in two FPRs, not
7538 (function_arg): IBM long double passed in FPRs.
7539 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7540 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7541 Only multireg GPR aligned.
7542 (rs6000_init_libfuncs): Enable IBM long double functions if not
7544 (rs6000_generate_compare): Use IBM long double compare if not
7546 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7547 (TARGET_IEEEQUAD): Define.
7548 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7549 not TARGET_IEEEQUAD.
7550 * config/rs6000/rs6000.md: Enable TFmode patterns if
7552 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7553 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7554 and -mlong-double-128 are incompatible.
7555 * doc/invoke.texi (-mabi): Collect options together. Add
7556 ibmlongdouble and ieeelongdouble.
7558 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7560 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7562 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7563 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7564 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7565 * rtl.h (rtunion_def): Remove rt_ptr.
7567 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7568 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7569 * config/i386/winnt.c (i386_pe_mark_dllexport)
7570 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7572 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7574 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7576 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7580 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7581 pthread_key_delete. From John David Anglin. gthrw-ify
7582 pthread_getunique_np only if it it's not a macro. Delete
7584 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7585 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7586 __gthread_objc_condition_signal, __gthread_key_delete): Add
7587 "__attribute__ ((__unused__))" to unused arguments.
7588 (__gthread_recursive_mutex_init_function): Add missing return.
7589 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7590 gthr-posix95.h: Use macro-based approach for name redirection
7591 on targets missing weakref.
7593 2006-01-26 Zack Weinberg <zackw@panix.com>
7595 * genconditions.c (write_header): In generated code, #ifdef out
7596 all includes and fake declarations, except includes of bconfig.h
7597 and system.h, unless GCC_VERSION >= 3001. Do not include
7598 gensupport.h in any case.
7599 (write_conditions): Generate a definition of struct c_test. Add
7600 a comment to the generated #endif.
7601 (write_one_condition): Escape backslashes in string too.
7602 (write_writer): Generated code must escape backslashes and quote
7603 marks (but not newlines) in the strings it writes.
7604 * Makefile.in (build/gencondmd.o): Update dependencies.
7606 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7609 * Makefile.in (insn-automata.o): Add header file dependencies.
7610 * genautomata.c: Add includes.
7612 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7615 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7617 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7619 * configure.ac: Expect target tools paths to be passed from the toplevel
7620 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7622 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7624 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7627 * c.opt (Wpointer-sign): Init to -1.
7628 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7629 OPT_pedantic, to 0 otherwise.
7630 * doc/invoke.texi: Update.
7632 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7634 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7635 constants provided by 80387 instructions in the destination mode.
7637 2006-01-26 Richard Guenther <rguenther@suse.de>
7638 Andrew Pinski <pinskia@physics.uc.edu>
7641 partial PR tree-opt/17064
7642 * tree-ssa-structalias.c (intra_create_variable_infos):
7643 Create heap variables for incoming parameters if
7644 flag_argument_noalias > 1.
7645 (find_what_p_points_to): Look through default defs of
7648 2006-01-26 Jeff Law <law@redhat.com>
7651 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7652 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7653 within the VR_RANGE, use the VR_RANGE as the result, not the
7655 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7656 bounds for the type.
7658 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7660 * tree-ssa-alias.c (maybe_create_global_var): Change
7661 subvar walking to an assertion that we don't have subvar'd variables.
7663 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7666 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7667 Use a new variable, inner. PARM_DECLs are always non-weak.
7669 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7671 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7674 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7676 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7678 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7680 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7681 (smax_insn, smin_insn, smax_0, smin_0): New.
7683 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7686 * config/cris/cris.c (cris_order_for_addsi3): New function.
7687 * config/cris/cris-protos.h: Prototype it.
7688 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7689 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7690 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7691 (split for "op.S1 [rx=rx+i],ry (swapped)")
7692 (split for "op(s|u).S1 [rx=rx+i],ry")
7693 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7694 Apply cris_order_for_addsi3 when generating addsi3 insns.
7696 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7698 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7699 (TREE_BLOCK): Add call to EXPR_CHECK.
7701 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7704 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7705 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7706 (dump_omp_clauses): ... here.
7707 (dump_generic_node): Handle OMP_CLAUSE.
7708 * tree.c (omp_clause_num_ops): New.
7709 (omp_clause_code_name): New.
7710 (tree_code_size): Handle OMP_CLAUSE.
7711 (tree_size): Likewise.
7712 (make_node): Document handling of OMP_CLAUSE.
7713 (tree_node_structure): Handle OMP_CLAUSE.
7714 (omp_clause_check_failed): New.
7715 (omp_clause_range_check_failed): New.
7716 (omp_clause_operand_check_failed): New.
7717 (build_omp_clause): New.
7718 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7719 * tree.h (enum omp_clause_code): Declare.
7720 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7721 (OMP_CLAUSE_RANGE_CHECK): Define.
7722 (OMP_CLAUSE_ELT_CHECK): Define.
7723 (omp_clause_check_failed): Declare.
7724 (omp_clause_operand_check_failed): Declare.
7725 (omp_clause_range_check_failed): Declare.
7726 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7727 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7728 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7729 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7730 (OMP_CLAUSE_IF_EXPR): Likewise.
7731 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7732 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7733 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7734 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7735 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7736 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7737 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7738 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7739 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7740 (OMP_CLAUSE_CODE): Define.
7741 (OMP_CLAUSE_SET_CODE): Define.
7742 (OMP_CLAUSE_CODE): Define.
7743 (OMP_CLAUSE_OPERAND): Define.
7744 (struct tree_omp_clause): Declare.
7745 (union tree_node): Add field 'omp_clause'.
7746 * treestruct.def (TS_OMP_CLAUSE): Define.
7747 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7748 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7749 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7750 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7751 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7752 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7753 (OMP_CLAUSE): Define.
7754 * print-tree.c (print_node): Handle OMP_CLAUSE.
7755 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7756 * c-typeck.c: Likewise.
7757 * gimplify.c: Likewise.
7758 * c-omp.c: Likewise.
7759 * tree-nested.c: Likewise.
7760 * tree-inline.c: Likewise.
7761 * c-parser.c: Likewise.
7762 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7765 2006-01-25 Roger Sayle <roger@eyesopen.com>
7767 PR rtl-optimization/25703
7768 * combine.c (try_combine): Handle zero_extract and strict_low_part
7769 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7771 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7773 * global.c: Fix comment typos.
7775 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7778 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7779 Use output_addr_const instead of assemble_name.
7781 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7783 * Makefile.in (sched-vis.o): Update dependencies.
7784 * haifa-sched.c (sched_finish): Clear current_sched_info.
7785 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7786 (dump_flow_info): Call it.
7787 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7789 * basic-block.h (dump_bb_info): Declare.
7790 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7791 option, and apply options only for dump files whose TDF_RTL,
7792 TDF_TREE, or TDF_IPA bits match.
7793 * rtl.h: Declare new functions exported from sched-vis.c.
7794 * sched-vis.c: Enable also if scheduling is not used.
7795 (print_value): Print the mode of registers if not inside scheduling.
7796 (print_insn): Make it work outside the scheduler. Beautify the output
7798 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7800 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7802 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7803 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7804 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7805 depending on the value of CONSTANT_POOL_ADDRESS_P.
7806 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7808 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7809 rather than SYMBOL_REF_DECL.
7810 (rtx_constant_pool): Remove const_rtx_sym_htab.
7811 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7812 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7813 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7814 Remove handling of const_rtx_sym_htab.
7815 (find_pool_constant): Delete.
7816 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7817 rather than find_pool_constant.
7818 (get_pool_constant_for_function): Delete.
7819 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7821 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7822 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7823 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7824 (SYMBOL_REF_CONSTANT): New macro.
7825 (get_pool_constant_for_function): Delete.
7826 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7827 rather than SYMBOL_REF_DECL.
7828 (i386_pe_mark_dllimport): Likewise.
7829 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7830 rather than SYMBOL_REF_DECL.
7831 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7832 (machopic_indirect_call_target): Likewise.
7834 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7836 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7838 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7840 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7842 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7844 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7846 2006-01-24 David Daney <ddaney@avtrex.com>
7849 * configure.ac (enable_tls): New enable option.
7850 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7851 * configure: Regenerate.
7852 * doc/install.texi (--enable-tls): Document new option.
7853 (--disable-tls): Ditto.
7855 2006-01-24 Richard Henderson <rth@redehat.com>
7857 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7858 * alias.c (true_dependence): Respect it.
7859 (canon_true_dependence, write_dependence_p): Likewise.
7860 * builtins.c (get_builtin_sync_mem): Set it.
7862 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7864 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7867 2006-01-24 DJ Delorie <dj@redhat.com>
7869 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7870 for storing constants in single-bit bitfields.
7872 2006-01-25 Ben Elliston <bje@au.ibm.com>
7874 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7876 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7879 * tree-ssa-pre.c (phi_translate): Return NULL
7880 for AGGREGATE_TYPE's.
7882 2006-01-24 Zack Weinberg <zackw@panix.com>
7884 * genautomata.c (process_state_for_insn_equiv_partition):
7885 Use xcalloc for insn_arcs_array.
7886 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7887 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7889 2006-01-24 Richard Henderson <rth@redhat.com>
7891 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7894 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7896 PR rtl-optimization/25890
7897 PR rtl-optimization/25905
7898 * combine.c (expand_compound_operation, expand_field_assignment):
7899 Fail if the bitfield's final position is out of bounds.
7901 2006-01-24 Ian Lance Taylor <ian@airs.com>
7904 * cgraphunit.c (cgraph_output_in_order): Don't clear
7905 cgraph_asm_nodes until after asm strings have been output.
7907 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7909 * fix-header.c (read_scan_file): Add new parameter imultilib when
7910 calling register_include_chains.
7912 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7914 * omp-low.c: Update documentation.
7916 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7917 Daniel Berlin <dberlin@dberlin.org>
7921 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7922 return from the function.
7924 2006-01-22 Zack Weinberg <zackw@panix.com>
7926 * rtl.def (match_code): Add second argument.
7927 * genpreds.c (write_extract_subexp): New function.
7928 (write_match_code): Add path argument. Use write_extract_subexp.
7929 (write_predicate_expr): Pass path to write_match_code.
7930 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7931 not perform a mode test.
7932 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7933 a subexpression does not constrain the top-level code set.
7934 * read-rtl.c (read_rtx_variadic): New function.
7935 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7936 * doc/md.texi: Document new notation.
7937 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7938 (cmpsi_operand): ... here, using new notation.
7940 2006-01-22 Zack Weinberg <zackw@panix.com>
7942 * varray.c: Remove GENERATOR_FILE #ifdefs.
7944 2006-01-22 Zack Weinberg <zackw@panix.com>
7946 * genautomata.c (output_reserved_units_table): Emit nothing if
7947 description->query_units_num is zero. Remove extra blank line.
7948 (output_cpu_unit_reservation_p): Short circuit
7949 if description->query_units_num is zero.
7951 2006-01-22 Zack Weinberg <zackw@panix.com>
7953 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7954 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7955 nor any of the random handful of variables that used to be necessary
7956 when this program was linked with rtlanal.o. Prune set of forward
7957 function declarations.
7958 (struct attr_desc): Remove static_p field.
7959 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7960 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7961 (attr_string): Do not read the character one past the length of
7963 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7964 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7965 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7966 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7967 (make_automaton_attrs): New.
7968 (main): Do not call into genautomata. Call local gen_bypass
7969 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7970 Remove special case for insn_alts.
7971 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7972 varray.h (leftover from previous change). Prune set of forward
7973 function declarations. Remove state_alts fields from all
7974 structures. Remove state_alts_table from struct automaton.
7975 Make everything except main static. Do not maintain num_dfa_decls.
7976 Do not maintain state_alts fields of various structures.
7977 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7978 (add_arc): Remove state_alts argument. All callers updated.
7979 (output_reserved_units_table): Emit #ifdef here...
7980 (output_tables): ...not here. Don't generate state_alts tables.
7981 (expand_automata): Don't generate attributes.
7982 (write_automata): Don't generate state_alts functions.
7983 (main): New function.
7984 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7985 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7986 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7987 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7988 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7989 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7990 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7991 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7993 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7994 * genattrtab.h: Delete file.
7995 * Makefile.in (OBJS-common): Add insn-automata.o.
7996 (insn-automata.o): New rule.
7997 (simple_generated_c): Add insn-automata.c.
7998 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7999 (genprogmd): Add automata.
8000 (build/genattrtab): Needs no extra objects nor libraries.
8001 (build/genautomata): Needs build/vec.o and -lm.
8003 2006-01-22 Zack Weinberg <zackw@panix.com>
8005 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8006 (output_dfa_max_issue_rate, locked_states_num): Delete.
8007 (struct automaton): Add locked_states field.
8008 (output_dead_lock_vect): Save number of locked states in
8009 automaton->locked_states. If it is zero, don't print anything.
8010 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8011 (output_internal_dead_lock_func): Only test the dead_lock_vect
8012 for automata that have locked states.
8013 (output_statistics): Always print the number of locked states for
8014 each automaton. Calculate total number of locked states here.
8015 (write_automata): Don't call output_dfa_max_issue_rate.
8016 * genattrtab.c: Define length_unit_log as a const variable.
8017 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8018 max_insn_queue_index const.
8019 * final.c (length_unit_log): Declare const.
8020 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8022 2006-01-22 Zack Weinberg <zackw@panix.com>
8024 * genautomata.c: Include vec.h, not varray.h.
8025 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8026 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8027 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8028 VEC_* macros operating on appropriately typed vectors, or to
8029 malloced arrays when the size is known in advance. Const-ify
8030 many char* variables and function arguments. No functional changes.
8031 * Makefile.in (build/varray.o): Delete rule.
8032 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8033 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8035 2006-01-22 Zack Weinberg <zackw@panix.com>
8037 * gensupport.c: Define get_insn_name and record_insn_name here.
8038 (read_md_rtx): Call record_insn_name as appropriate.
8039 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8040 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8041 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8043 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8044 (BUILD_VARRAY): Delete.
8045 (genprognormal): Rename genprogmd. Fold in all programs from
8046 genprognoprint; also attrtab.
8047 (build/genattrtab): Just mention genautomata.o and varray.o.
8048 Reorganize a bit, add comments to make the categories clearer.
8050 2006-01-22 Zack Weinberg <zackw@panix.com>
8052 * genconditions.c (condition_table, add_condition): Delete.
8053 (write_conditions): Don't emit n_insn_conditions nor
8054 insn_elision_unavailable. Issue the gcc version #ifdef here,
8055 inside the table, with no #else clause ...
8056 (write_header): ...not here.
8057 (write_writer): New function.
8058 (main): Don't initialize condition_table. Use add_c_test.
8060 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8061 files on the command line.
8062 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8063 Return -1 if there is no entry in the table, don't abort.
8064 (add_c_test, traverse_c_tests): New functions.
8065 * gensupport.h (insn_elision_unavailable, insn_conditions)
8066 (n_insn_conditions): Delete declarations.
8067 (add_c_test, traverse_c_tests): Declare.
8068 * read-rtl.c: Include gensupport.h.
8069 (read_conditions): New function.
8070 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8071 (read_rtx_1): If we get EOF when we were looking for an initial
8072 open paren, return 0. Call read_conditions when appropriate.
8073 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8074 dummy-conditions.o. Eliminate references to insn-conditions.o,
8075 or change them to build/gencondmd.o, as appropriate. Remove
8076 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8077 from $(simple_generated_c). For all files remaining in those
8078 two lists, add insn-conditions.md to the generator command line.
8079 Give insn-constants.h/s-constants their own rules. Add rules
8080 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8081 (build/read-rtl.o): Depend on gensupport.h.
8082 (genprognormal): Include preds.
8083 (genprogearly): Rename genprognoprint; only difference is now that
8084 they don't link with $(BUILD_PRINT).
8085 * dummy-conditions.c: Delete.
8087 2006-01-22 Zack Weinberg <zackw@panix.com>
8089 * genextract.c: Don't include insn-config.h. Do include vec.h.
8090 Declare vectors of int, char, and locstr.
8091 (locstr): New typedef.
8092 (struct extraction): Make all array fields into bare pointers.
8093 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8094 (insn_code_number): Delete.
8095 (accum_extract): New struct.
8096 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8097 (gen_insn): Take insn_code_number as an argument. Use an
8098 accum_extract structure instead of loading data directly into
8099 a struct extraction, and having to know how big it might get.
8100 (walk_rtx): Operate entirely on an accum_extract structure.
8101 (print_path): Avoid unnecessary use of printf.
8102 (print_header): New function, split out of main. Distinguish
8103 more carefully between an unrecognizable insn and an insn that
8104 has the code number of a define_expand.
8105 (main): Pass insn_code_number to gen_insn. Call print_header
8106 only after parsing. Avoid unnecessary use of printf.
8107 * Makefile.in (build/vec.o): New rule.
8108 (build/genextract): Depend on build/vec.o.
8109 (build/genextract.o): Don't depend on insn-config.h.
8111 2006-01-22 Zack Weinberg <zackw@panix.com>
8113 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8114 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8115 practical. Eliminate per-generator-program link rules.
8117 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8120 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8121 with a call expr to ...
8122 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8124 2006-01-23 Richard Guenther <rguenther@suse.de>
8126 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8127 before make_edge with conditional EDGE_TRUE_VALUE.
8129 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8130 Jan Hubicka <jh@suse.cz>
8131 Richard Guenther <rguenther@suse.de>
8133 PR rtl-optimization/25654
8134 * cfgexpand.c (aggregate_contains_union_type): New function.
8135 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8136 for structure variables that contain a union type.
8138 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8140 * gengtype.c (new_structure): Return the structure.
8141 (create_option): Add an extra "next" argument.
8142 (create_field): New function.
8143 (adjust_field_rtx_def): Use create_option and create_field.
8144 Remove a now-unnecessary call to find_structure.
8145 (adjust_field_tree_def): Likewise.
8146 (note_yacc_type): Remove an unnecessary call to find_structure.
8147 * gengtype.h (new_structure): Return the structure.
8148 (create_option): Add an extra argument.
8149 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8150 (option): Adjust calls to create_option.
8152 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8154 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8156 2006-01-22 Paul Brook <paul@codesourcery.com>
8157 Peter Barada <peter@the-baradas.com>
8159 * config/m68k/m68k.md: Add Coldfire FPU support.
8160 Define FP mode macro and associated attributes.
8161 Use it for float mode patterns.
8162 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8163 (LIBCALL_VALUE): Use m68k_libcall_value.
8164 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8165 (m68k_function_value): Ditto.
8166 (emit_move_sequence): Ditto.
8167 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8168 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8169 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8170 (MULTILIB_EXCEPTIONS): Ditto.
8171 * config/m68k/m68k.opt: Add mcfv4e.
8172 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8173 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8174 (m68k_output_function_prologue): Save ColdFire FPU registers.
8175 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8176 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8177 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8178 ColdFire FPU registers.
8179 (m68k_libcall_value, m68k_function_value): New functions.
8180 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8181 (LIBCALL_VALUE): Use m68k_libcall_value.
8182 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8183 (MASK_COLDFIRE): Add MASK_CFV4E.
8184 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8185 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8186 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8187 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8188 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8189 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8190 * doc/invoke.tex: Document -mcfv4e on m68k.
8192 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8194 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8197 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8200 * c-opts.c (c_common_handle_option): Don't include
8201 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8202 * doc/invoke.texi (C++ Dialect Options): Document that
8203 -Wnon-virtual-dtor is no longer included in -Wall.
8205 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8207 * gcov.c (print_version), gcov-dump.c (print_version),
8208 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8211 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8213 * df-scan.c (problem_SCAN): Added NULL reset function.
8214 (df_scan_reset_blocks): Added code to call reset block function
8215 (df_bb_refs_delete) Fixed comment.
8216 (df_insn_refs_delete): Made tolerant of deleting non existent info
8217 for dataflow problems that need to be reset.
8218 * df-core.c (df_set_blocks): Ditto.
8219 * df.h (struct df_problem): Added reset_fun.
8220 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8221 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8222 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8223 functions to clear out all references to def-use or use-def chains.
8225 2006-01-21 Ben Elliston <bje@au.ibm.com>
8227 * varasm.c (assemble_real): Initialise data array.
8229 2006-01-20 Paul Brook <paul@codesourcery.com>
8231 Merge from csl-arm-branch.
8232 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8233 * config/arm/arm.md (movdi): Force operands[1] to a register
8234 if we have a non-register source.
8235 (*arm_movdi, *movdf_soft_insn): Require that one of the
8236 operands be a register.
8237 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8238 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8240 2006-01-20 DJ Delorie <dj@redhat.com>
8242 * varasm.c (initialize_constant_valid_p): Allow pointers
8243 initialized from integer constants of lesser precision.
8244 (output_constant): Allow non-int-sized pointer modes to be
8245 initialized from integer constants.
8247 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8250 * cppdefault.h (struct default_include): Add multilib flag.
8251 * cppdefault.c (cpp_include_defaults): Set it.
8252 * c.opt (-imultilib): New option.
8253 * c-opts.c (imultilib): New.
8254 (c_common_handle_option): Handle -imultilib.
8255 (c_common_post_options): Likewise.
8256 * c-incpath.c (add_standard_paths, register_include_chains):
8258 * c-incpath.h (register_include_chains): Add extra parameter.
8259 * gcc.c (do_spec_1): Generate -imultilib option.
8260 (The Specs Language): Update %I description.
8261 (process_command): Update copyright notice.
8262 * doc/cppopts.texi (-imultilib): Document.
8263 * doc/invoke.texi (-imultilib): Include in option summary.
8264 (%I): Update specs documentation.
8266 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8268 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8270 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8272 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8275 2006-01-20 Richard Guenther <rguenther@suse.de>
8276 Steven Bosscher <stevenb.gcc@gmail.com>
8278 PR rtl-optimization/24626
8279 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8280 EDGE_TRUE_VALUE if in RTL mode.
8283 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8284 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8286 2006-01-20 Dirk Mueller <dmueller@suse.com>
8289 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8290 instead of a special NOP marker.
8291 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8292 NOP marker handling.
8293 * c-common.h (empty_body_warning): Add forward declaration.
8294 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8295 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8297 2006-01-20 Paul Brook <paul@codesourcery.com>
8299 * Makefile.in (lang_checks): Keep going if mkdir fails.
8301 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8303 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8304 be able to clean out basic block when not necessary.
8305 (df_scan_free): Fixed to properly delete information if df is
8306 unused before calling df_finish.
8307 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8308 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8310 (df_bb_refs_delete): New function.
8311 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8312 * df-core.c (df_set_blocks): Added code to properly clean out
8313 unused blocks if they are not part of the blocks to consider.
8314 Added additional null check.
8315 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8316 be able to clean out basic block when not necessary
8317 * df.h (df_free_bb_function): Ditto.
8318 (df_bb_refs_delete): New function.
8319 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8320 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8321 basic block parameter to be able to clean out basic block when not
8323 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8324 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8325 Fixed to properly delete information if df is unused before
8328 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8330 PR rtl-optimization/25799
8331 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8332 Corrected confluence operator to remove bits from op2 before oring
8333 with op1 rather than removing bits from op1.
8334 (df_ru_transfer_function): Corrected test on wrong bitmap which
8335 caused infinite loop. Both of these problems were introduced in
8336 the dataflow rewrite.
8338 2006-01-19 DJ Delorie <dj@redhat.com>
8340 * reload1.c (find_reload_regs): Note the details of reload
8341 failures in the dump file.
8342 (spill_failure): Likewise.
8344 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8346 * loop-iv.c: Include df.h and hashtab.h.
8347 (enum iv_grd_result): New enum.
8348 (DF_REF_IV, DF_REF_IV_SET): New macros.
8349 (struct biv_entry): New.
8350 (df, bivs): New global variables.
8351 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8352 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8354 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8355 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8356 analyzed_for_bivness_p, record_biv): New functions.
8357 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8358 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8359 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8361 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8363 (iv_number_of_iterations): Use new interface to iv analysis.
8364 * loop-unroll.c: Do not include varray.h.
8365 (analyze_iv_to_split_insn): Use new interface to iv
8367 * loop-unswitch.c (may_unswitch_on): Ditto.
8368 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8370 (df_bb_modify): Realloc tables to the new index.
8371 (df_find_use): New function.
8372 * df.h (df_find_use): Declare.
8373 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8375 * cfgloop.h (struct rtx_iv): Remove analysed field.
8376 (iv_get_reaching_def): Removed.
8377 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8378 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8379 (loop-iv.o): Add df.h and hashtab.h dependency.
8380 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8382 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8385 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8387 (__floatundisf, __floatundidf): Likewise.
8388 * libgcc2.h (IS_IBM_EXTENDED): Define.
8390 2006-01-19 DJ Delorie <dj@redhat.com>
8392 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8394 2006-01-19 Paul Brook <paul@codesourcery.com>
8396 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8397 as nothrow when unwinding tables are disabled.
8399 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8402 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8403 of bit-field" when in system header.
8405 2006-01-19 DJ Delorie <dj@redhat.com>
8407 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8408 the 16 bit shift limit of the m16c.
8410 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8413 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8414 * config/i386/i386.c (output_set_got): Output the label if we have one
8415 for the TARGET_DEEP_BRANCH_PREDICTION case.
8417 2006-01-19 Jan Hubicka <jh@suse.cz>
8418 H.J. Lu <hongjiu.lu@intel.com>
8419 Evandro Menezes <evandro.menezes@amd.com>
8421 * invoke.texi (generic): Document
8423 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8424 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8425 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8426 (x86_use_incdec, x86_pad_returns): New variables
8427 (TARGET_CPU_DEFAULT_generic): New constant
8428 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8429 (enum processor_type): Add generic32 and generic64.
8430 * i386.md (cpu attribute): Add generic32/generic64
8431 (movhi splitter): Behave sanely when both partial_reg_dependency and
8432 partial_reg_stall are set.
8433 (K8 splitters): Enable for generic as well.
8434 * predicates.md (incdec_operand): Use TARGET_INCDEC
8435 (aligned_operand): Avoid memory mismatch stalls.
8436 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8437 * ppro.md: Enable for generic32
8438 * i386.c (generic64_cost, generic32_cost): New.
8439 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8440 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8441 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8442 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8443 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8444 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8445 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8446 x86_accumulate_outgoing_args, x86_prologue_using_move,
8447 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8448 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8450 (x86_use_incdec, x86_pad_returns): New.
8451 (override_options): Add generic32 and generic64, translate "generic"
8452 to generic32/generic64 and "i686" to "generic32", refuse
8453 "generic32"/"generic64" as arch target.
8454 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8455 (ix86_reorg): Honor PAD_RETURNS.
8457 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8459 * tree-pretty-print.c (dump_generic_node): Handle
8460 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8461 * cgraph.c (cgraph_expand_queue): Rename from
8462 cgraph_analyze_queue. Update all users.
8463 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8464 cgraph_expand_queue.
8465 (cgraph_expand_all_functions): Likewise.
8466 (cgraph_finalize_pending_functions): Remove. Update callers.
8468 * tree.h (OMP_DIRECTIVE_P): Define.
8469 (OMP_PARALLEL_FN): Define.
8470 (OMP_PARALLEL_DATA_ARG): Define.
8471 (OMP_SECTIONS_SECTIONS): Define.
8472 * tree-pass.h (pass_expand_omp): Declare.
8473 * omp-low.c (struct omp_region): Declare.
8474 (struct omp_context): Remove fields 'parallel_type',
8475 'parallel_start_ix' and 'parallel_start_additional_args'.
8477 (struct omp_for_data): Rename from struct expand_omp_for_data.
8478 (omp_regions): New static variable.
8479 (root_omp_region): New static variable.
8480 (find_omp_clause): Make static.
8481 (is_in_combined_parallel_ctx): Remove.
8482 (is_combined_parallel): New.
8483 (extract_omp_for_data): Move earlier in the file.
8484 (workshare_safe_to_combine_p): New.
8485 (get_ws_args_for): New.
8486 (determine_parallel_type): Move earlier in the file.
8487 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8489 (omp_copy_decl): Likewise.
8490 (create_omp_child_function): Likewise.
8491 (lookup_omp_region): New.
8492 (dump_omp_region): New.
8493 (debug_omp_region): New.
8494 (debug_all_omp_regions): New.
8495 (new_omp_region): New.
8496 (scan_omp_parallel): If parallel_nesting_level > 1, the
8497 directive is nested within another parallel directive.
8498 Set OMP_PARALLEL_FN.
8499 (scan_omp_for): Do not try to handle combined parallel+for
8501 Remove FIXME comment.
8502 (scan_omp_nested): Remove.
8503 (scan_omp_1): Do not call scan_omp_nested when
8504 parallel_nesting_level is > 1.
8505 Do not change the DECL_CONTEXT of local variables found.
8506 (lookup_decl_in_outer_ctx): New.
8507 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8508 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8509 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8510 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8511 If CTX is nested, lookup VAR in the outer context when
8512 building copy assignment.
8513 (lower_send_clauses): Rename from expand_send_clauses.
8514 If CTX is nested, lookup VAR in the outer context when
8515 building copy assignments.
8516 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8517 If CTX is nested, lookup VAR in the outer context when
8518 building copy assignments.
8519 (expand_parallel_call): Rename from build_parallel_call.
8520 Handle combined parallel+workshare cases.
8521 Re-implement to emit code into the CFG.
8523 (expand_omp_parallel): Re-implement to emit code into the CFG.
8524 Call move_sese_region_to_fn to outline the sub-graph
8525 containing the parallel region.
8526 (expand_omp_for_1): Remove.
8527 (expand_omp_for_generic): Re-implement to emit code into the
8529 (expand_omp_for_static_nochunk): Likewise.
8530 (expand_omp_for_static_chunk): Likewise.
8531 (expand_omp_for): Likewise.
8532 (expand_omp_sections): Likewise.
8533 (remove_exit_barriers): New.
8534 (expand_omp_synch): New.
8536 (build_omp_regions_1): New.
8537 (build_omp_regions): New.
8538 (execute_expand_omp): New.
8539 (gate_expand_omp): New.
8540 (pass_expand_omp): Define.
8541 (lower_omp_sections): Rename from expand_omp_sections.
8542 Set OMP_SECTIONS_SECTIONS.
8543 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8544 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8545 (lower_omp_single): Rename from expand_omp_simple.
8546 (lower_omp_master): Rename from expand_omp_master.
8547 (lower_omp_ordered): Rename from expand_omp_ordered.
8548 (lower_omp_critical): Rename from expand_omp_critical.
8549 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8550 (lower_omp_for): Re-implement.
8551 (lower_omp_parallel): Re-implement.
8552 (lower_regimplify): Rename from expand_regimplify.
8553 (lower_omp_1): Rename from expand_omp_1.
8554 If there are syntax errors in the program, replace every
8555 OpenMP directive with NOP.
8556 Call lower_omp_* instead of expand_omp_*.
8557 (lower_omp): Rename from expand_omp.
8559 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8560 * tree-gimple.h (enum omp_parallel_type): Remove.
8561 (gimple_boolify): Declare extern.
8562 (find_omp_clause, determine_parallel_type): Remove.
8564 * gimple-low.c (lower_omp_directive): New.
8565 (lower_stmt): Call it.
8566 (record_vars_into): Move from ...
8567 (record_vars): ... here.
8568 Call record_vars_into with current_function_decl.
8570 * gimplify.c (struct gimplify_ctx): Remove fields
8571 combined_pre_p and combined_ctxp. Update users.
8572 (get_formal_tmp_var): Add documentation.
8573 (gimple_boolify): Make extern.
8574 (gimplify_expr_in_ctx): Remove. Update callers.
8575 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8576 will always be a BIND_EXPR.
8577 (gimplify_expr): Handle OMP_RETURN_EXPR.
8578 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8579 (OMP_PARALLEL): Add 3 operands.
8580 (OMP_SECTIONS): Add 1 operand.
8581 (OMP_RETURN_EXPR): Define.
8583 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8584 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8585 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8586 creating a circular free list.
8587 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8589 * tree-flow.h (move_sese_region_to_fn): Declare.
8590 (record_vars_into): Declare.
8591 * tree-cfg.c (make_omp_sections_edges): New.
8592 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8593 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8594 OMP_SECTIONS and OMP_SECTION.
8595 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8596 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8597 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8598 (gather_blocks_in_sese_region): New.
8599 (struct move_stmt_d): Declare.
8601 (move_block_to_fn): New.
8602 (move_sese_region_to_fn): New.
8604 * passes.c (init_optimization_passes): Schedule
8605 pass_expand_omp after pass_init_datastructures.
8607 * tree-ssa-operands.c (get_expr_operands): Handle
8608 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8609 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8611 2006-01-19 Jeff Law <law@redhat.com>
8613 * tree-vrp.c (extract_range_from_assert): Refine the result range
8614 if the variable referenced by the ASSERT_EXPR has a range and
8615 either the tentative result range or the previous range is a
8618 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8620 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8622 2006-01-19 Jan Hubicka <jh@suse.cz>
8624 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8626 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8628 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8629 (expand_compound_operation, expand_field_assignment): Fail if the
8630 bit lengths of an extract operation are out of range.
8631 (make_extraction): Compute wanted_inner_mode based on the position
8632 and length of the extraction. Make it extraction_mode for non-constant
8633 positions, and do not modify offset in that case. When generating a
8634 new MEM, use a mode that can hold the extraction while keeping correct
8635 alignment. Remove code that supported MEMs wrapped by USEs.
8636 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8638 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8640 * config/s390/s390.md ("Y", "y"): New mode attribute.
8641 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8642 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8643 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8644 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8645 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8646 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8647 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8648 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8649 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8650 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8651 "addsi3", "subsi3"): Insn patterns removed.
8652 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8653 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8654 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8655 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8656 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8657 "*sub<mode>3_cconly2"): New insn patterns.
8658 ("addsi3", "subsi3"): New expanders.
8660 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8662 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8663 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8664 existing STMT_VINFO_VECTYPE if available.
8665 (vect_mark_relevant): Add special handling for stmts that are
8666 marked as STMT_VINFO_IN_PATTERN_P.
8667 (vect_analyze_loop): Call vect_pattern_recog.
8668 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8669 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8671 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8672 (vect_recog_func_ptr): New function-pointer type.
8673 * tree-vect-patterns.c: New file.
8674 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8675 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8676 (vect_pattern_recog_1): New functions.
8677 (vect_pattern_recog_funcs): New array of function pointers.
8679 * tree-vectorizer.h (ternary_op): New enum value.
8680 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8681 declaration. Revised documentation. Removed redundant dump prints.
8682 Removed redundant argument. Added support for reduction patterns.
8683 (vectorizable_reduction): Added support for reduction patterns.
8684 (vect_transform_stmt): Added support for patterns.
8686 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8687 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8688 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8689 (expand_widen_pattern_expr): New function.
8690 (init_optabs): Initialize new optabs udot_prod_optab,
8692 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8693 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8694 (expand_widen_pattern_expr): New function declaration.
8695 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8697 * tree-inline.c (estimate_num_insns_1): Added cases for new
8698 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8699 * tree-pretty-print.c (dump_generic_node): Likewise.
8700 (op_prio): Likewise.
8701 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8702 * tree-ssa-operands.c (get_expr_operands): Added case for
8704 * tree-vect-patterns.c (widened_name_p): New function.
8705 (vect_recog_dot_prod_pattern): Added function implementation.
8706 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8707 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8708 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8709 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8711 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8712 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8713 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8714 (init_optabs): Initialize new optabs widen_ssum_optab,
8716 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8717 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8718 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8719 use instead of type of def.
8720 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8721 function implementation.
8722 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8723 widen_ssumv8hi): New.
8725 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8728 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8731 * c-decl.c (add_flexible_array_elts_to_size): New function.
8732 (finish_decl): Use it.
8734 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8736 * diagnostic.h: Include options.h.
8737 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8738 dependancies for diagnostic.h.
8739 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8741 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8743 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8744 (ssa_ro_call_cache_valid): Ditto.
8745 * tree-ssa-alias.c (sort_tags_by_id): New function.
8746 (init_transitive_clobber_worklist): Ditto.
8747 (add_to_worklist): Ditto.
8748 (mark_aliases_call_clobbered): Ditto.
8749 (compute_tag_properties): Ditto.
8750 (set_initial_properties): Ditto.
8751 (compute_call_clobbered): Ditto.
8752 (compute_may_aliases): Call compute_call_clobbered and grouping.
8753 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8754 (compute_flow_insensitive_aliasing): Grouping now happens in our
8756 (setup_pointers_and_addressables): Remove clobbering related code.
8757 (add_may_alias): Ditto.
8758 (replace_may_alias): Ditto.
8759 (get_nmt_for): Ditto.
8760 (create_global_var):
8761 (is_escape_site): Return an escape_type enumeration.
8762 * tree-flow-inline.h (is_call_clobbered): Global var does not
8763 imply call clobbered.
8764 (mark_call_clobbered): Take a reason for marking this. Remove
8765 marking of globalness, and cache invalidation.
8766 (clear_call_clobbered): Remove cache invalidation code.
8767 * tree-dfa.c (dump_variable): If details is on, dump the reason
8769 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8771 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8772 (struct var_ann_d): Ditto.
8773 (enum escape_type): New.
8774 (mark_call_clobbered): Adjust prototype.
8775 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8776 are never call clobbered.
8777 Record reasons for escaping.
8778 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8779 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8780 (ssa_ro_call_cache_valid): Ditto.
8781 (clobbered_v_may_defs): Ditto.
8782 (clobbered_vuses): Ditto.
8783 (ro_call_vuses): Ditto.
8784 (clobber_stats): New.
8785 (init_ssa_operands): Zero out clobber stats.
8786 (fini_ssa_operands): Print out clobber stats.
8787 (get_call_expr_operands): Pass callee fndecl to
8789 (add_call_clobber_ops): Remove use of cache.
8790 Add use of PURE_CONST information.
8791 (add_call_read_ops): Remove use of cache.
8792 Add use of static not_read information.
8794 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8796 Introduce TLS descriptors for i386 and x86_64.
8797 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8798 (TARGET_ANY_GNU_TLS): New macro.
8799 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8800 (struct machine_function): Add tls_descriptor_call_expanded_p.
8801 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8802 (ix86_current_function_calls_tls_descriptor): Likewise.
8803 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8804 (override_options): Introduce gnu2 tls dialect.
8805 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8807 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8809 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8810 (ix86_init_machine_status): Initialize new field.
8811 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8812 (ix86_tls_module_base): New.
8813 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8814 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8815 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8816 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8817 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8818 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8819 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8820 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8821 * config/i386/predicates.md (tls_modbase_operand): New.
8822 (tp_or_register_operand): New.
8824 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8826 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8827 (look_for_address_of): Ditto.
8828 (ipa_init): Walk the function decls.
8829 (static_execute): Don't set readonly on FUNCTION_DECL's.
8831 2006-01-18 Roger Sayle <roger@eyesopen.com>
8833 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8834 for shifts where the source and destination registers are different.
8836 2006-01-18 Paul Brook <paul@codesourcery.com>
8838 Merge from csl-arm-branch.
8839 2005-03-14 Julian Brown <julian@codesourcery.com>
8840 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8841 (aeabi_llsl): Likewise.
8842 (ashrdi3): Likewise.
8843 (aeabi_lasr): Likewise.
8844 (lshrdi3): Likewise.
8845 (aeabi_llsr): Likewise.
8846 2005-03-10 Julian Brown <julian@codesourcery.com>
8847 * config.gcc: Disable shared libgcc for SymbianOS.
8848 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8850 2006-01-18 DJ Delorie <dj@redhat.com>
8852 * c-pragma.c (handle_pragma_diagnostic): New.
8853 (init_pragma): Register it.
8854 * doc/extend.texi: Document it.
8856 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8857 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8858 (diagnostic_context): Add classify_diagnostic[].
8859 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8860 as errors if they're overridden to DK_WARNING.
8861 (diagnostic_initialize): Initialize classify_diagnostic[].
8862 (diagnostic_set_kind_override): New.
8863 (diagnostic_report_diagnostic): Check for kind changes.
8864 * opts.c (common_handle_option): Take lang_mask. Update callers.
8866 * common.opt (Werror=): New.
8867 * doc/invoke.texi: Document -Werror=*
8869 2006-01-18 Jeff Law <law@redhat.com>
8871 * tree-vrp.c (test_for_singularity): Correct test for new
8872 min limit. Use operand_equal_p rather than pointer equality
8873 for testing if new min/max values are equal.
8875 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8876 using range information until after propagation and folding.
8878 2006-01-18 Richard Henderson <rth@redhat.com>
8879 Aldy Hernandez <aldyh@redhat.com>
8880 Jakub Jelinek <jakub@redhat.com>
8881 Diego Novillo <dnovillo@redhat.com>
8883 * omp-low.c: New file.
8884 * c-omp.c: New file.
8886 2006-01-18 Richard Henderson <rth@redhat.com>
8887 Jakub Jelinek <jakub@redhat.com>
8888 Diego Novillo <dnovillo@redhat.com>
8890 * doc/invoke.texi: Document -fopenmp.
8891 * tree-dump.h (debug_function): Declare.
8892 * hooks.c (hook_bool_tree_bool_false): New function.
8893 (hook_tree_tree_null): Remove.
8894 (hook_tree_tree_tree_null): New.
8895 * hooks.h: Update to match.
8896 * tree-pretty-print.c (debug_tree_chain): New.
8897 (print_generic_expr): Handle TDF_CHAIN.
8898 (dump_generic_node): Handle BLOCK.
8899 Do not abort with incomplete SWITCH_EXPRs.
8900 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8901 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8902 print space after directive name.
8903 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8904 Handle OMP_MASTER and OMP_ORDERED.
8905 Handle printing of OMP_BODY just in one place, goto
8906 dump_omp_body in the rest of OMP_* nodes that have
8908 Don't handle clause nodes here. Update omp statements to
8909 use dump_omp_clauses.
8910 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8911 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8912 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8913 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8914 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8915 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8916 Adjust output for GOMP_PARALLEL.
8917 (dump_omp_clauses): New.
8918 (print_declaration): Dump DECL_VALUE_EXPR.
8919 (op_symbol_1): Split out of op_symbol.
8920 (dumping_stmts): Remove. Update all users.
8921 * cgraph.c (cgraph_analyze_queue): New.
8922 (cgraph_add_new_function): New.
8923 * cgraph.h (cgraph_analyze_queue): Declare.
8924 (cgraph_add_new_function): Declare.
8925 (cgraph_lower_function): Remove.
8926 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8927 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8928 and TYPE_P nodes in its default clause.
8929 (empty_body_p): New.
8930 (tree_range_check_failed): New.
8932 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8933 OMP_CLAUSE_REDUCTION_MERGE,
8934 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8935 OMP_CLAUSE_PRIVATE_DEBUG,
8936 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8937 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8938 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8939 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8940 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8941 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8942 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8943 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8944 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8945 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8946 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8947 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8948 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8949 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8950 (TREE_RANGE_CHECK): New.
8951 (empty_body_p): Declare.
8952 (enum omp_clause_default_kind): New.
8953 (build_string_literal): Declare.
8954 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8955 (build5_stat, build5): Declare.
8956 * tree-pass.h (TDF_CHAIN): Define.
8957 * tree-pass.h (PROP_gimple_lomp): Define.
8958 (pass_lower_omp): Declare.
8959 * diagnostic.h (debug_tree_chain): Declare.
8960 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8962 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8963 * builtins.c (build_string_literal): Make extern.
8964 * gcc.c (include_spec_function): New.
8965 (static_spec_functions): Add it.
8966 (main): Move load of libgomp.spec ...
8967 (LINK_COMMAND_SPEC): ... here.
8968 (link_gomp_spec): New.
8969 (static_specs): Include it.
8970 (LINK_COMMAND_SPEC): Add link_gomp.
8971 (GOMP_SELF_SPECS): New.
8972 (driver_self_specs): Include it.
8973 (switch_matches): Don't mark inline.
8974 (main): Load libgomp.spec.
8975 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8976 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8977 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8978 * tree-gimple.h (enum omp_parallel): Declare.
8979 (determine_parallel_type): Declare.
8980 (omp_firstprivatize_variable): Declare.
8981 (omp_reduction_init): Declare.
8982 (diagnose_omp_structured_block_errors): Declare.
8983 (struct walk_stmt_info): Add want_return_expr.
8984 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8985 (find_omp_clause): Declare.
8986 (insert_field_into_struct): Declare.
8987 (struct walk_stmt_info): Move from tree-nested.c
8988 (walk_stmts): Declare.
8989 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8991 * cgraphunit.c (cgraph_lower_function): Make static.
8992 (cgraph_finalize_pending_functions): New.
8993 (cgraph_finalize_function): Call it.
8994 (cgraph_finalize_compilation_unit): Likewise.
8995 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8996 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8997 (BT_FN_UINT_UINT): New.
8998 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8999 DEF_FUNCTION_TYPE_VAR_4): Document.
9000 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9001 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9002 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9003 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9004 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9005 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9006 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9007 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9008 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9009 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9010 into separate files.
9011 (DEF_GOMP_BUILTIN): New.
9012 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9013 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9014 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9015 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9016 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9017 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9018 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9019 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9020 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9021 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9022 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9023 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9024 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9025 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9026 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9027 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9028 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9029 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9030 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9031 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9032 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9033 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9034 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9035 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9036 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9037 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9038 * sync-builtins.def: New file, moved from builtins.def.
9039 * omp-builtins.def: New file, moved from builtins.def.
9040 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9041 * gimple-low.c (lower_function_body): Clear data.
9042 (lower_stmt): Do not handle COMPOUND_EXPR.
9043 Remove call to print_node_brief.
9044 * c-tree.h (c_finish_omp_clauses): New prototype.
9045 (C_DECL_THREADPRIVATE_P): Define.
9046 (lookup_name_no_remap, c_omp_remap_private): Remove
9047 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9048 (check_for_loop_decls): Update decl.
9049 (lookup_name_no_remap, c_omp_remap_private): Declare.
9050 (build_indirect_ref, build_modify_expr, pushdecl,
9051 pushdecl_top_level): Move to c-common.h.
9052 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9053 before the switch, but just in the 2 places that need it.
9054 * c-decl.c (diagnose_mismatched_decls): Do not check for
9055 mismatched thread-local attributes when OLDDECL is marked
9056 threadprivate and NEWDECL has no thread-local attributes.
9057 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9058 (c_gimple_diagnostics_recursively): Rename from
9059 c_warn_unused_result_recursively. Invoke
9060 diagnose_omp_structured_block_errors.
9061 (check_for_loop_decls): Return a singular decl found.
9062 * langhooks.c (lhd_omp_predetermined_sharing): Return
9063 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9064 (lhd_omp_firstprivatize_type_sizes): New.
9065 (lhd_omp_assignment): New.
9066 (lhd_omp_predetermined_sharing): New.
9067 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9068 (struct lang_hooks_for_types): Add
9069 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9070 omp_predetermined_sharing, omp_disregard_value_expr,
9071 omp_private_debug_clause, omp_clause_default_ctor,
9072 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9073 (c_finish_omp_clauses): New.
9074 (c_finish_bc_stmt): Diagnose break within omp for.
9075 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9076 (build_unary_op): Return error_mark after reporting
9078 (build_modify_expr): Likewise.
9079 * gimplify.c: Include optabs.h and pointer-set.h.
9080 (enum gimplify_omp_var_data): Declare.
9081 (struct gimplify_omp_ctx): Declare.
9082 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9084 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9085 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9086 (splay_tree_compare_decl_uid): New.
9087 (new_omp_context): New.
9088 (delete_omp_context): New.
9089 (gimple_add_tmp_var): Call omp_add_variable.
9090 (gimplify_bind_expr): Likewise.
9091 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9092 true, disregard DECL_VALUE_EXPR on the decl if any.
9093 (gimplify_expr_in_ctx): New.
9094 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9095 omp_add_variable, omp_notice_variable, omp_is_private
9096 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9097 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9098 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9099 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9100 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9101 gimplify_omp_atomic): New.
9102 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9103 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9104 OMP_CRITICAL and OMP_ATOMIC.
9105 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9106 * c-pragma.h (enum pragma_kind): Add
9107 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9108 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9109 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9110 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9111 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9112 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9113 PRAGMA_OMP_THREADPRIVATE.
9114 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9115 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9116 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9117 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9118 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9119 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9120 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9121 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9122 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9123 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9124 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9125 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9126 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9128 (struct nesting_info): Add field_map,
9129 suppress_expansion, debug_var_chain.
9130 (create_nesting_tree): Initialize them.
9131 (lookup_field_for_decl): Use field_map.
9132 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9133 (convert_local_omp_clauses): New.
9134 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9135 (walk_body): Split out of walk_function.
9136 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9137 (convert_nonlocal_reference): Handle omp statements.
9138 (convert_local_reference): Likewise.
9139 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9140 (unnest_nesting_tree): New.
9141 (lower_nested_functions): Call it.
9142 (insert_field_into_struct): Make extern.
9143 (struct walk_stmt_info): Move to tree-gimple.h.
9144 (walk_stmts): Make extern.
9145 * omp-builtins.def: New file.
9146 * tree-iterator.c (expr_only): Clarify comment.
9147 * c-common.h (pushdecl_top_level, pushdecl,
9148 build_modify_expr, build_indirect_ref,
9149 c_finish_omp_master, c_finish_omp_critical,
9150 c_finish_omp_ordered, c_finish_omp_barrier,
9151 c_finish_omp_atomic, c_finish_omp_flush,
9152 c_finish_omp_for, c_split_parallel_clauses,
9153 omp_clause_default_kind, c_omp_sharing_predetermined,
9154 c_omp_remap_decl): Declare.
9155 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9156 (OBJS-common): Add omp-low.o.
9157 (c-omp.o, omp-low.o): Add.
9158 (gimplify.o): Add dependency on $(OPTABS_H).
9159 (GTFILES): Add omp-low.c.
9160 (gt-stringpool.h): Add.
9161 * tree-cfg.c (set_bb_for_stmt): Do not update the
9162 block-to-labels map if we are currently expanding to RTL.
9163 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9165 Handle IDENTIFIER_NODE.
9166 (tree_verify_flow_info): Do not ICE when emitting error
9167 messages about invalid labels.
9168 (dump_function_to_file): Reset CFUN before emitting the body
9170 (debug_function): New.
9171 * passes.c (init_optimization_passes): Schedule
9173 * langhooks-def.h (lhd_omp_predetermined_sharing,
9174 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9176 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9177 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9178 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9179 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9180 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9181 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9182 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9183 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9184 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9185 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9186 (LANG_HOOK_DECLS): Use them.
9188 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9189 Richard Henderson <rth@redhat.com>
9190 Jakub Jelinek <jakub@redhat.com>
9191 Diego Novillo <dnovillo@redhat.com>
9193 * c-parser.c (pragma_omp_clause): Define.
9194 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9195 (c_parser_compound_statement): Likewise.
9196 (c_parser_statement): Likewise.
9197 (c_parser_pragma): Handle omp pragmas.
9198 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9199 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9200 (c_parser_omp_clause_name, check_no_duplicate_clause,
9201 c_parser_omp_variable_list,
9202 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9203 c_parser_omp_clause_copyprivate,
9204 c_parser_omp_clause_default,
9205 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9206 c_parser_omp_clause_lastprivate,
9207 c_parser_omp_clause_nowait,
9208 c_parser_omp_clause_num_threads,
9209 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9210 c_parser_omp_clause_reduction,
9211 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9212 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9213 c_parser_omp_atomic, c_parser_omp_barrier,
9214 c_parser_omp_critical, c_parser_omp_flush,
9215 c_parser_omp_for_loop, c_parser_omp_for,
9216 c_parser_omp_master, c_parser_omp_ordered,
9217 c_parser_omp_sections_scope, c_parser_omp_sections,
9218 c_parser_omp_parallel, c_parser_omp_single,
9219 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9220 * c-pragma.c (init_pragma): Do omp pragma registration here.
9221 * c.opt (fopenmp): New flag.
9223 2006-01-18 Eric Christopher <echristo@apple.com>
9225 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9226 * config/darwin.h (GOMP_SELF_SPECS): Define.
9228 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9230 * rtl.h: Remove the prototype for reg_alloc.
9232 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9235 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9236 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9237 sjlj and dwarf2 exception handling.
9238 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9239 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9240 * pa/pa.c (function_value): Treat complex and vector types as
9242 (function_arg): Likewise. Only pass scalar floats in the floating
9243 point argument registers.
9244 * pa/t-slibgcc-dwarf-ver: New file.
9245 * pa/t-slibgcc-sjlj-ver: New file.
9246 * pa/t-slibgcc-elf-ver: Delete file.
9248 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9250 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9251 unlikely_test_section_p test.
9253 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9255 * mode-switching.c (optimize_mode_switching): Make it static.
9256 * basic-block.h: Remove the prototype for
9257 optimize_mode_switching.
9259 * modulo-sched.c (sms_schedule): Make it static.
9260 * rtl.h: Remove the prototype for sms_schedule.
9262 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9263 * rtl.h: Remove the prototype for gcse_after_reload_main.
9265 * reg-stack.c (reg_to_stack): Make it static.
9266 * rtl.h: Remove the prototype for reg_to_stack.
9268 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9270 * rtl.h: Remove the prototypes for regrename_optimize and
9271 copyprop_hardreg_forward.
9273 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9275 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9276 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9277 Test against the appropriate null constant for the mode.
9278 If 'fixup_overlap' is true, swap the operands if they overlap.
9279 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9280 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9281 alpha_split_tmode_pair and adjust for above change.
9282 * config/alpha/alpha.md (movtf_internal): Adjust call to
9283 alpha_split_tfmode_pair and rely on it to swap the operands.
9284 (movti_internal): New insn and post-reload splitter.
9285 (movti): New expander.
9287 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9289 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9292 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9294 * rtlanal.c (global_reg_mentioned_p_1,
9295 global_reg_mentioned_p): Remove.
9296 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9298 * flow.c (initialize_uninitialized_subregs): Make it static.
9299 * rtl.h: Remove the prototype for
9300 initialize_uninitialized_subregs.
9302 * function.c (instantiate_virtual_regs): Make it static.
9303 * function.h: Remove the prototype for
9304 instantiate_virtual_regs.
9306 * regmove.c (regmove_optimize, combine_stack_adjustments):
9308 * rtl.h: Remove the prototypes for regmove_optimize and
9309 combine_stack_adjustments.
9311 2006-01-17 Roger Sayle <roger@eyesopen.com>
9313 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9314 (size_cost): Encode costs in bytes so that a reg-reg addition is
9315 equivalent to COSTS_N_INSNS(1).
9316 (override_options): Use the size_cost.branch_cost as the default
9317 ix86_branch_cost when optimizing for size.
9319 2006-01-18 Ben Elliston <bje@au.ibm.com>
9321 * Makefile.in (D32PBIT_FUNCS): New.
9322 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9323 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9324 D64PBIT_FUNCS and D128PBIT_FUNCS.
9325 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9326 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9328 (decnumber_dep): Define.
9329 * doc/libgcc.texi (Decimal float library routines): New node.
9330 * config/dfp-bit.h, config/dfp-bit.c: New files.
9332 2006-01-18 Ben Elliston <bje@au.ibm.com>
9334 * expr.c (emit_move_change_mode): Always adjust addresses, not
9335 just during reload. Copy replacements only during reload.
9336 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9337 emit_move_via_integer.
9339 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9341 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9342 instead of $(srcdir) and ${srcdir}.
9344 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9348 * arm.h (struct machine_function): Add pic_reg.
9349 * arm.c (arm_pic_register): Make unsigned.
9350 (arm_override_options): Only set arm_pic_register if
9351 TARGET_SINGLE_PIC_BASE.
9352 (use_return_insn): Only test for a pic register if it is fixed.
9353 (arm_compute_save_reg0_reg12_mask): Likewise.
9354 (thumb_compute_save_reg_mask): Likewise.
9355 (legitimate_pic_operand): Factor out some known invariants.
9356 (legitimize_pic_address): If we don't have a fixed pic register,
9357 then set up a pseudo in the function entry sequence. Handle the
9358 pic base being in a pseudo.
9359 (arm_load_pic_register): Handle the pic register being in a pseudo.
9360 (arm_expand_prologue): Only set up the pic register if it is fixed.
9361 (thumb_expand_prologue): Likewise.
9362 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9363 (pic_load_addr_based_insn): Likewise.
9364 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9367 2006-01-18 Ben Elliston <bje@au.ibm.com>
9369 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9370 decimal float modes for all floating point registers.
9372 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9373 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9375 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9378 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9379 even when the pointer is not NULL.
9381 2006-01-16 Ian Lance Taylor <ian@airs.com>
9383 * common.opt (ftoplevel-reorder): New option.
9384 * cgraph.c (cgraph_asm_nodes): New global variable.
9385 (cgraph_asm_last_node): New static variable.
9386 (cgraph_order): New global variable.
9387 (cgraph_create_node): Set new order field.
9388 (cgraph_varpool_node): Likewise.
9389 (decide_is_variable_needed): Return true if not
9390 flag_toplevel_reorder.
9391 (cgraph_add_asm_node): New function.
9392 * cgraph.h (struct cgraph_node): Add order field.
9393 (struct cgraph_varpool_node): Add order field.
9394 (struct cgraph_asm_node): Define.
9395 (cgraph_asm_nodes, cgraph_order): Declare.
9396 (cgraph_add_asm_node): Declare.
9397 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9399 (cgraph_varpool_assemble_pending_decls): Call it.
9400 (cgraph_output_pending_asms): New static function.
9401 (cgraph_finalize_compilation_unit): Call it.
9402 (struct cgraph_order_sort): Define.
9403 (cgraph_output_in_order): New static function.
9404 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9405 !flag_toplevel_reorder case.
9406 * c-parser.c: Include "cgraph.h".
9407 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9409 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9410 than -fno-unit-at-a-time.
9411 * doc/invoke.texi (Option Summary): Mention
9412 -fno-toplevel-reorder.
9413 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9414 -funit-at-a-time documentation.
9416 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9417 Kazu Hirata <kazu@codesourcery.com>
9419 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9421 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9423 * Makefile.in (FUNCTION_H): New. Use it instead of
9424 function.h throughout the file.
9425 * function.h: Include tree.h.
9427 2006-01-17 Ben Elliston <bje@au.ibm.com>
9429 * recog.c: Separate some functions with whitespace.
9431 2006-01-16 Richard Henderson <rth@redhat.com>
9433 Merge from gomp branch:
9434 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9435 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9436 and rename from struct inline_data. Rename callee* to dst*;
9437 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9438 transform_new_cfg, transform_return_to_modify, and
9439 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9441 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9442 (copy_decl_for_dup): Remove.
9443 * tree-inline.c (struct inline_data): Move to header.
9444 (insert_decl_map): Export.
9445 (remap_decl): Update for member name changes. Use copy_decl hook.
9446 Allow for replacement to be a non-decl. Remove dead code.
9447 (remap_type_1): Check for existing mapping.
9448 (remap_type): Export.
9449 (remap_decls): Update for member name changes.
9450 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9451 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9452 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9453 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9454 (tree_function_versioning, build_duplicate_type): Likewise.
9455 (copy_body_r): Likewise. Export.
9456 (copy_decl_for_dup): Split into ...
9457 (copy_decl_for_dup_finish, copy_decl_to_var,
9458 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9459 (replace_ref_tree, inlining_p): Remove.
9461 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9463 * ifcvt.c (if_convert): Make it static.
9464 * rtl.h: Remove the prototype for if_convert.
9466 * local-alloc.c (local_alloc): Make it static.
9467 * rtl.h: Remove the prototype for local_alloc.
9469 * loop.c (loop_optimize): Make it static.
9470 * cfgloop.h: Remove the prototype for loop_optimize.
9473 2006-01-16 DJ Delorie <dj@redhat.com>
9475 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9478 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9480 * pa.md: Disparage copies between general and floating-point registers
9481 in 32-bit move patterns.
9483 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9486 * Makefile.in (check-%): Depend on site.exp instead of
9487 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9490 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9492 * global.c (global_alloc): Make it static.
9493 * rtl.h: Remove the prototype for global_alloc.
9495 2006-01-16 Richard Guenther <rguenther@suse.de>
9497 * tree-ssa-alias.c (struct used_part): Add write_only field.
9498 (get_or_create_used_part_for): Initialize it to true.
9499 (create_overlap_variables_for): Don't create structure variables
9500 for structures that only are written to.
9501 (find_used_portions): Handle MODIFY_EXPR to track whether a
9502 structure is only written to.
9504 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9506 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9508 * basic-block.h: Remove the prototype for
9509 partition_hot_cold_basic_blocks.
9511 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9513 * cppspec.c (lang_specific_spec_functions): Remove.
9514 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9515 * gcc.h (lang_specific_spec_functions): Remove.
9516 * gccspec.c (lang_specific_spec_functions): Remove.
9518 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9520 * combine.c (record_value_for_reg): Invalidate registers
9522 (record_dead_and_set_regs_1): Likewise, by passing them to
9523 record_value_for_reg.
9524 (record_dead_and_set_regs): Invalidate stores made by a
9525 call. We do not combine across a call, but we still
9526 relied on equivalences.
9528 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9530 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9531 vrp_int_const_binop returning non-constant nodes.
9533 2006-01-16 Paul Brook <paul@codesourcery.com>
9535 * config/m68k/m68k.c (output_move_const_into_data_reg):
9536 Output correct mnemonic for mvz and mvs.
9538 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9540 * rtl-factoring.c: Add sequence abstraction algorithm.
9541 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9542 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9544 (block_has_preserve_label): New function.
9545 * common.opt: Register new pass.
9546 * Makefile.in: Ditto.
9548 * timevar.def: Ditto.
9549 * tree-pass.h: Ditto.
9550 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9551 * rtl.h (make_jump_insn_raw): Add forward decl.
9552 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9554 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9555 Roger Sayle <roger@eyesopen.com>
9557 * fold-const.c (fold_minmax): New static function.
9558 (fold_binary) <MIN_EXPR>: Call it.
9559 <MAX_EXPR>: Likewise.
9560 * stor-layout.c (place_field): Use DECL_SIZE consistently
9561 in the computation of the new record size.
9563 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9565 * cse.c (cse_condition_code_reg): Make it static.
9566 * rtl.h: Remove the prototype for cse_condition_code_reg.
9568 * combine.c (combine_instructions): Make it static.
9569 * rtl.h: Remove the prototype for combine_instructions.
9571 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9574 * tree.c (get_file_function_name_long): Concatenate the first global
9575 object name with a string derived from the input filename of the object
9578 2006-01-16 Ben Elliston <bje@au.ibm.com>
9580 * config/i386/winnt-stubs.c: Update FSF address.
9581 * config/xtensa/ieee754-df.S: Ditto.
9582 * config/xtensa/ieee754-sf.S: Ditto.
9584 2006-01-14 Ian Lance Taylor <ian@airs.com>
9586 * ifcvt.c (noce_init_if_info): New static function, broken out of
9587 noce_process_if_block.
9588 (noce_process_if_block): Call noce_init_if_info.
9589 (check_cond_move_block): New static function.
9590 (cond_move_process_if_block): New static function.
9591 (process_if_block): Call cond_move_process_if_block.
9593 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9595 * cselib.c (hash_table): Rename to cselib_hash_table.
9596 (cselib_clear_table, discard_useless_values,
9597 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9598 cselib_init, cselib_finish): Adjust uses of hash_table.
9600 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9602 PR tree-optimization/25485
9603 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9604 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9605 is known to be false and true, respectively.
9607 2006-01-14 Richard Guenther <rguenther@suse.de>
9609 PR tree-optimization/22548
9610 PR tree-optimization/22555
9611 PR tree-optimization/22501
9612 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9613 * params.def (salias-max-array-elements): New parameter.
9614 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9615 * doc/invoke.texi (salias-max-array-elements): Document.
9616 * tree-flow-inline.h (var_can_have_subvars): We also handle
9618 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9620 * tree-ssa-structalias.c (params.h): Include.
9621 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9622 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9623 (get_constraint_for): For ADDR_EXPR operating on something
9624 containing an ARRAY_REF, add all subvars to the solution.
9625 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9626 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9627 for creating MUST_DEFs.
9628 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9630 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9632 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9634 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9635 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9636 number_of_iterations_le): New functions.
9637 (number_of_iterations_special): Removed.
9638 (number_of_iterations_exit): Do not use number_of_iterations_special.
9639 * tree.c (unsigned_type_for): Always return integer type.
9641 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9642 Richard Guenther <rguenther@suse.de>
9644 PR rtl-optimization/24257
9645 * gcse.c (find_moveable_store): Only consider a store movable
9646 when the SET_SRC of the insn can be assigned to a register.
9648 2006-01-14 Ian Lance Taylor <ian@airs.com>
9650 * tree.c (tree_not_class_check_failed): New function.
9651 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9652 (tree_not_class_check_failed): Declare.
9654 2006-01-13 Ian Lance Taylor <ian@airs.com>
9656 * reload1.c (do_output_reload): Add assertion rejecting a
9659 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9661 * combine.c (struct reg_stat): Add new fields truncation_label and
9663 (record_value_for_reg): Reset truncated_to_mode.
9664 (record_truncated_value): New function.
9665 (check_promoted_subreg): Call it. Rename to check_conversions.
9666 (combine_instructions): Rename check_promoted_subreg to
9668 (reg_truncated_to_mode): New function.
9669 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9670 (gen_lowpart_or_truncate): New function.
9671 (force_to_mode): Use it instead of gen_lowpart.
9673 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9675 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9676 VAR is a tag, not its type tag.
9678 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9680 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9681 alternatives to match style of other entries.
9682 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9684 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9686 PR tree-optimization/25771
9687 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9690 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9693 * tree-inline.c (declare_return_variable): If the return variable
9694 was marked as a non gimple complex, set the return slot variable
9695 to be a non gimple comple variable.
9697 2006-01-13 Richard Guenther <rguenther@suse.de>
9699 * builtins.c (expand_builtin_sincos): New function.
9700 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9702 (expand_builtin): Expand sincos using expand_builtin_sincos.
9704 2006-01-12 DJ Delorie <dj@redhat.com>
9706 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9707 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9708 so that constant shifts can be split.
9709 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9710 (m32c_valid_pointer_mode): Make static.
9711 (shift_gen_func_for): New.
9712 (m32c_prepare_shift): Use it. Split large const shifts into
9714 * config/m32c/predicates.md (shiftcount_operand): Allow more
9716 (longshiftcount_operand): New.
9717 * doc/md.texi (Machine Constraints): Document In6.
9719 2006-01-13 Ben Elliston <bje@au.ibm.com>
9721 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9722 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9725 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9727 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9728 to try to avoid clobbering pieces of structures when we know
9729 something about the whole structure.
9730 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9732 2006-01-13 Ben Elliston <bje@au.ibm.com>
9734 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9735 return in memory, as this is no limitation is no longer present.
9737 2006-01-12 DJ Delorie <dj@redhat.com>
9739 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9740 mova with fb, and for fb+0 -> An.
9742 * config/m32c/mov.md (peephole2): Fix enabling logic.
9744 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9745 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9746 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9747 FINI_ARRAY_SECTION_ASM_OP): Define.
9749 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9751 (m32c_legitimize_reload_address): New logic to reload FB to An.
9752 (m32c_output_reg_push): Add newline.
9753 (m32c_output_reg_pop): Likewise.
9755 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9757 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9759 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9761 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9763 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9765 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9768 2006-01-11 Ben Elliston <bje@au.ibm.com>
9770 * rtlanal.c (find_reg_note): Assert insn is not null.
9772 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9774 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9777 2006-01-11 Jeff Law <law@redhat.com>
9779 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9781 (mark_threaded_blocks, register_jump_thread): New functions.
9782 (thread_through_all_blocks): Remove unwanted argument. No
9783 longer rely on e->aux to communicate thread target info.
9784 Call mark_threaded_blocks. Release the threaded_blocks
9785 bitmap and threaded_edges vector when complete.
9786 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9787 (threaded_blocks): Remove.
9788 (tree_ssa_dominator_optimize): Remove initialization and
9789 finalization of threaded_blocks. Simplify call to
9790 thread_through_all_blocks.
9791 (thread_across_edge): Call register_jump_thread rather than
9792 storing thread information into e->aux.
9793 (free_all_edge_infos): Simplify now that e->aux is no longer
9794 used to communicate with thread_through_all_blocks.
9795 * tree-flow.h (thread_through_all_blocks): Update prototype.
9796 (register_jump_thread): Prototype.
9798 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9800 * df-core.c (df_compact_blocks, df_bb_replace): Use
9801 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9803 2006-01-11 Richard Guenther <rguenther@suse.de>
9805 PR tree-optimization/25734
9806 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9807 stop propagation after successful propagation to the LHS.
9809 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9811 * basic-block.h (control_flow_graph): Change the type of
9812 x_basic_block_info to VEC(basic_block,gc) *.
9813 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9815 (SET_BASIC_BLOCK): New.
9816 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9817 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9818 * cfgbuild.c (find_basic_blocks): Likewise.
9819 * cfglayout.c (fixup_reorder_chain): Likewise.
9820 * cfgrtl.c (create_basic_block_structure,
9821 rtl_create_basic_block): Likewise.
9822 * ifcvt.c (find_if_case_1): Likewise.
9823 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9826 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9828 * Makefile.in: Removed rotted odf.c entry.
9830 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9833 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9834 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9835 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9836 output pattern modifier, not %e.
9837 * config/cris/cris.c (cris_op_str): Update comment about pattern
9839 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9840 before falling through into...
9841 <case 'E'>: Redefined from old 'e' case.
9843 2006-01-11 Jan Hubicka <jh@suse.cz>
9846 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9848 2006-01-11 Jan Hubicka <jh@suse.cz>
9850 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9851 * i386.c (x86_decompose_lea): Kill.
9852 (ix86_rtx_costs): Kill.
9854 2006-01-11 Jan Hubicka <jh@suse.cz>
9856 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9857 * cgraph.h (cgraph_node): Add inline_decl.
9858 (cgraph_insert_node_to_hashtable): Declare.
9859 (save_inline_function_body): Declare.
9860 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9862 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9863 (cgraph_function_versioning): Update call of tree_function_versioning.
9864 (save_inline_function_body): New function.
9865 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9866 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9867 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9868 (cgraph_default_inline_p): Likewise.
9869 (cgraph_decide_inlining_incrementally): Likewise.
9870 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9871 (copy_bb): Kill saving; do updating of clones.
9872 (copy_cfg_body): Kill saving.
9873 (initialize_inlined-parameters): Likewise.
9874 (expand_call_inline): Likewise.
9876 (tree_function_versioning): New parameter "update_clones".
9877 (inlining_p): Kill saving.
9878 * tree-inline.h (tree_function_versioning): Update prototype.
9879 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9882 2006-01-11 Ian Lance Taylor <ian@airs.com>
9884 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9885 Allow undoing set of machine mode.
9886 (do_SUBST): Use enums instead of is_int.
9887 (do_SUBST_MODE): New function.
9888 (SUBST_MODE): New macro.
9889 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9890 reg and trying to replace reg_regno_rtx with a new register.
9891 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9892 (simplify_set): Use SUBST_MODE.
9893 (distribute_notes): Remove code that tried to update reg notes
9894 for regno_reg_rtx changes.
9896 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9898 PR tree-optimization/23109
9899 PR tree-optimization/23948
9900 PR tree-optimization/24123
9902 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9903 * tree-cfg.c (single_noncomplex_succ): New.
9904 * tree-flow.h (single_noncomplex_succ): Declare it.
9905 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9906 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9907 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9908 insert_bb, register_division_in, insert_reciprocals,
9909 replace_reciprocal, free_bb): New.
9910 (execute_cse_reciprocals_1): Rewritten.
9911 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9912 Do not commit any edge insertion. Always compute dominators and
9913 create the allocation pool.
9914 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9915 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9916 * targhooks.c (default_min_divistions_for_recip_mul): New.
9917 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9918 * passes.c (init_optimization_passes): Run recip after tree loop
9920 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9922 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9923 Kenneth Zadeck <zadeck@naturalbridge.com>
9925 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9926 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9927 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9928 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9929 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9930 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9931 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9932 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9933 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9934 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9935 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9936 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9937 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9938 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9939 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9940 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9941 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9942 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9943 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9944 DF_SCAN_POST_ALLOC): New macros.
9945 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9946 df_free_bb_function, df_local_compute_function, df_init_function,
9947 df_dataflow_function, df_confluence_function_0,
9948 df_confluence_function_n, df_transfer_function,
9949 df_finalizer_function, df_free_function, df_dump_problem_function,
9950 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9951 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9952 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9953 df_urec_bb_info, ) New types.
9954 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9956 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9957 df_analyze_simple_change_some_blocks,
9958 df_analyze_simple_change_one_block, df_compact_blocks,
9959 df_bb_replace, df_bb_regno_last_use_find,
9960 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9961 df_insn_regno_def_p, df_find_def, df_find_use,
9962 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9963 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9964 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9965 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9966 debug_df_chain, df_get_dependent_problem, df_chain_create,
9967 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9968 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9969 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9970 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9971 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9972 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9973 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9974 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9975 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9976 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9977 df_reorganize_refs, df_set_state, df_hard_reg_init,
9978 df_read_modify_subreg_p) New public functions.
9979 * df-core.c: The core dataflow solver and glue routines for rtl
9981 (df_init, df_add_problem, df_set_blocks, df_finish,
9982 df_hybrid_search_forward, df_hybrid_search_backward,
9983 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9984 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9985 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9986 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9987 df_reg_defined, df_find_use, df_reg_used, df_dump,
9988 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9989 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9990 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9991 debug_df_useno, reset_df_after_reload): New functions.
9992 * df-scan.c: The scanning fuctions, once in df.c, completely
9993 rewritten so that they now fully model the functionality of
9994 register usage at the backend.
9995 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9996 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9997 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9998 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9999 df_get_artificial_defs, df_get_artificial_uses,
10000 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10001 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10002 df_refs_delete, df_reorganize_refs, df_set_state,
10003 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10004 df_def_record_1, df_defs_record, df_uses_record,
10005 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10006 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10007 df_record_exit_block_uses, df_hard_reg_init): New functions.
10009 * df-problems.c: Seven concrete dataflow problems that use the
10010 scanning in df-scan.c and are solved by the engine in df-core.c.
10011 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10012 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10013 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10014 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10015 df_ru_free_bb_info, df_ru_alloc,
10016 df_ru_bb_local_compute_process_def,
10017 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10018 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10019 df_ru_transfer_function, df_ru_free, df_ru_dump,
10020 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10021 df_rd_free_bb_info, df_rd_alloc,
10022 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10023 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10024 df_rd_transfer_function, df_rd_free, df_rd_dump,
10025 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10026 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10027 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10028 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10029 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10030 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10031 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10032 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10033 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10034 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10035 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10036 df_urec_mark_reg_use_for_earlyclobber,
10037 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10038 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10039 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10040 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10041 df_chain_create_bb_process_use, df_chain_create_bb,
10042 df_chain_finalize, df_chain_free, df_chains_dump,
10043 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10044 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10045 df_reg_lifetime): New functions.
10046 * df.c: Deleted file.
10047 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10048 consistent with new df api.
10049 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10050 rest_of_handle_sms): Ditto.
10051 * web.c (unionfind_union, union_defs, entry_register, web_main):
10053 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10054 invariant_expr_equal_p, find_defs, check_dependencies,
10055 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10056 free_inv_motion_data, move_loop_invariants): Ditto.
10057 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10058 Update dependencies.
10059 (odf.c): Added defective entry that was deleted later in day.
10060 * sched-deps.c (sched_analyze_1): Ditto.
10062 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10064 * tree-ssa-operands.c (get_expr_operands): Record addressable
10065 variables directly. Do not call add_stmt_operands for CONST_DECLs
10067 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10068 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10070 2006-01-11 Ben Elliston <bje@au.ibm.com>
10072 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10073 function returns true in the positive case.
10075 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10078 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10079 for SI, DI, SF and DF modes. Add alternatives to copy between
10080 general and floating point registers to the 32-bit patterns.
10081 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10082 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10083 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10084 generating 64-bit code.
10085 * config/pa/pa.c (output_move_double): Handle copies between general
10086 and floating registers.
10088 2006-01-10 Stuart Hastings <stuart@apple.com>
10090 * config/i386/i386.md (set_got): Update.
10091 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10092 (builtin_setjmp_receiver): Mach-O support.
10093 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10094 (GOT_SYMBOL_NAME): Define.
10095 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10096 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10097 * config/i386/i386.c (override_options): Revise for Darwin.
10098 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10099 support. (darwin_x86_file_end): New. (output_set_got): Add label
10100 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10101 * config/i386/i386-protos.h (output_set_got): Likewise.
10102 * config/darwin.c (machopic_legitimize_pic_address): Update
10105 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10107 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10108 when MODE isn't BLKmode.
10110 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10112 PR rtl-optimization/25367
10113 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10115 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10118 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10119 for a negative bound.
10121 2006-01-10 Richard Guenther <rguenther@suse.de>
10123 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10124 Never override with anything constraint.
10126 2006-01-10 Jan Beulich <jbeulich@novell.com>
10128 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10129 256 bits when optimize_size.
10131 2006-01-10 Jan Beulich <jbeulich@novell.com>
10133 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10135 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10136 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10139 2006-01-10 Ben Elliston <bje@au.ibm.com>
10141 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10143 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10144 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10145 (USE_FP_FOR_ARG): Reject decimal float modes.
10146 (function_arg_advance): Likewise.
10147 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10148 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10149 point types in AltiVec vectors.
10150 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10151 (rs6000_libcall_value): Likewise.
10153 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10155 * config/xtensa/ieee754-df.S: New file.
10156 * config/xtensa/ieee754-sf.S: New file.
10157 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10158 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10159 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10161 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10163 * config/sh/predicates.md (binary_float_operator,
10164 binary_logical_operator, commutative_float_operator,
10165 equality_comparison_operator, greater_comparison_operator,
10166 less_comparison_operator, logical_operator,
10167 noncommutative_float_operator, shift_operator,
10168 symbol_ref_operand, unary_float_operator): Remove redundant
10171 2006-01-09 Jeff Law <law@redhat.com>
10173 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10174 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10175 now unused arguments. Callers updated.
10176 (eliminate_redundant_computations): Remove now unused arguments,
10178 (local_fold): Remove, no longer used.
10179 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10181 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10182 (simplify_cond): New function.
10183 (forward_propagate_into_cond): Call simplify_cond.
10185 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10187 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10188 (*vec_extractv2di_1_sse): New.
10190 2006-01-09 Ben Elliston <bje@au.ibm.com>
10192 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10194 2006-01-08 Richard Guenther <rguenther@suse.de>
10196 * tree-ssa-structalias.c (get_constraint_for): Remove
10197 anyoffset argument.
10198 (get_constraint_for_component_ref): Likewise.
10199 (do_deref): Likewise.
10200 (get_constraint_for): Likewise.
10201 (do_structure_copy): Likewise.
10202 (handle_ptr_arith): Likewise.
10203 (find_func_aliases): Likewise. Remove unused need_anyoffset
10206 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10207 Kaz Kojima <kkojima@gcc.gnu.org>
10209 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10210 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10211 (EXTRA_CONSTRAINT_C16): Remove.
10212 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10213 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10214 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10215 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10216 constants of SHmedia. Handle nested constant expressions of
10218 (andcosts): Fix the costs for SHmedia constants.
10219 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10220 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10221 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10222 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10223 (movv4hi_i, movv2si_i): Likewise.
10224 (movsi_const): Adjust the second operand of ior so to match with
10225 the Csu constraint.
10226 (movdi_const, movdi_const_32bit): Likewise.
10227 (movdi_const_16bit+1): Don't sign-extend LOW.
10228 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10230 (*double_shori): Fix the split condition. Use GEN_INT instead
10231 of get_int_mode calls. Mask lower 16-bit of the argument of
10233 (sym2GOTPLT): Remove.
10234 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10236 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10237 instead of EXTRA_CONSTRAINT_C16.
10239 2006-01-07 Ian Lance Taylor <ian@airs.com>
10240 David Edelsohn <edelsohn@gnu.org>
10242 PR rtl-optimization/25662
10243 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10244 for constant operands instead of simplify_gen_binary.
10245 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10246 after trying simplify_binary_operation
10248 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10250 * tree.c (iterative_hash_expr): Hash decls based on UID.
10252 2006-01-06 Eric Christopher <echristo@apple.com>
10254 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10255 (TARGET_UNWIND_EMIT): Fix spelling.
10256 * target.h (gcc_target): Add except_table_label.
10257 * except.c (output_function_exception_table): Use.
10258 * varasm.c (default_emit_except_table_label): New.
10259 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10261 (asm_out): Add here.
10262 * output.h (default_emit_except_table_label): Prototype.
10263 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10264 * config/darwin.c (darwin_emit_except_table_label): Define.
10265 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10267 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10269 PR tree-optimization/18527
10270 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10271 number_of_iterations_special, number_of_iterations_exit):
10272 Move base and step of an iv to a single structure. Add
10273 no_overflow flag, and use it in # of iterations analysis.
10274 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10275 folded_casts argument.
10276 (simple_iv): Pass base and step in a structure. Set no_overflow
10278 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10279 Evaluate expensiveness of computing # of iterations instead of
10280 the final expression.
10281 * tree-scalar-evolution.h (affine_iv): New structure.
10282 (simple_iv): Declaration changed.
10283 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10284 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10285 find_givs_in_stmt): Changed due to simple_iv change.
10287 2006-01-06 Jeff Law <law@redhat.com>
10290 * tree-cfg.c (bsi_replace): Rename final argument from
10291 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10292 change (stmt -> orig_stmt).
10293 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10294 (bsi_remove): Add new argument. Remove EH information
10296 (verify_eh_throw_table_statements): New function.
10297 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10299 * tree-optimize.c (execute_free_cfg_annotations): Verify
10300 the EH throw statement table after removing annotations.
10301 * except.h (verify_eh_throw_table_statements): Prototype.
10302 * tree-flow.h (bsi_remove): Update prototype.
10303 * tree-vrp.c (remove_range_assertions): Add new argument to
10305 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10306 * tree-complex.c (expand_complex_div_wide): Likewise.
10307 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10308 * tree-tailcall.c (eliminate_tailcall): Likewise.
10309 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10310 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10311 * tree-nrv.c (tree_nrv): Likewise.
10312 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10313 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10314 (combine_blocks): Likewise.
10315 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10316 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10317 (cleanup_control_flow): Likewise.
10318 (remove_forwarder_block): Likewise.
10319 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10320 * tree-sra.c (sra_replace): Likewise.
10321 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10322 (forward_propagate_single_use_vars): Likewise.
10323 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10324 * tree-inline.c (expand_call_inline): Likewise.
10325 * tree-vect-transform.c (vect_transform_loop): Likewise.
10326 * tree-outof-ssa.c (rewrite_trees): Likewise.
10327 * tree-cfg.c (make_goto_expr_edges): Likewise.
10328 (cleanup_dead_labels): Likewise.
10329 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10330 (bsi_move_before, bsi_move_after): Likewise.
10331 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10332 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10334 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10337 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10339 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10340 on non gimple variables. Also add checks at the top for decls and
10342 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10344 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10345 and IMAGPART_EXPR for creating MUST_DEFs.
10346 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10347 and NAME_MEMORY_TAG separately from the DECLs.
10349 2006-01-06 Richard Guenther <rguenther@suse.de>
10351 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10352 annotation, if necessary.
10353 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10354 redundant calls to update_stmt.
10355 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10358 2006-01-05 Richard Henderson <rth@redhat.com>
10360 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10362 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10364 * c-typeck.c: Update copyright date.
10366 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10368 * c-typeck.c (build_c_cast): Always warn when casting
10369 from a pointer to an integer of different size, even if
10370 the node was constant.
10372 2006-01-05 Richard Guenther <rguenther@suse.de>
10374 PR tree-optimization/22555
10375 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10376 if one structure field is an array.
10377 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10378 operands even if we found a subvar, but ignore VOPs in this
10380 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10382 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10384 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10386 PR middle-end/24998
10387 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10389 2006-01-05 Richard Guenther <rguenther@suse.de>
10390 Diego Novillo <dnovillo@redhat.com>
10392 * tree-pass.h (TODO_remove_unused_locals): Define.
10393 * gimple-low.c (expand_var_p, remove_useless_vars,
10394 pass_remove_useless_vars): Remove. Update all users.
10395 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10396 (remove_unused_locals): New function.
10397 * tree-flow.h (remove_unused_locals): Declare.
10398 * passes.c (execute_todo): Call remove_unused_locals if
10399 TODO_remove_unused_locals is set.
10400 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10401 * tree-ssa-dce.c (pass_dce): Likewise.
10402 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10404 2006-01-05 Richard Guenther <rguenther@suse.de>
10406 * tree-flow.h (struct fieldoff): Decompose field to
10407 type, size and decl.
10408 * tree-ssa-alias.c (create_sft): Take type as parameter.
10409 (create_overlap_variables_for): Store type, size and decl
10410 in the fieldoff structure.
10411 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10412 of struct fieldoff.
10413 (push_fields_onto_fieldstack): Likewise.
10414 (create_variable_info_for): Likewise. Use offset for the
10415 SFT name if the decl is not available.
10417 2006-01-04 Paul Brook <paul@codesourcery.com>
10419 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10421 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10423 * lambda-code.c (can_put_in_inner_loop): Relax
10425 (can_put_after_inner_loop): New function.
10426 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10427 (perfect_nestify): Change to make copies and modify uses.
10429 2006-01-04 Richard Henderson <rth@redhat.com>
10431 Merge from gomp branch:
10432 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10433 via integer constant.
10434 (pragma_lex): Remove.
10435 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10436 rather than parsing it.
10437 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10438 handle_pragma_extern_prefix): Add %< %> quotes.
10439 (registered_pragmas): New.
10440 (c_register_pragma_1): New.
10441 (c_register_pragma): Use it.
10442 (c_register_pragma_with_expansion): Likewise.
10443 (c_invoke_pragma_handler): New.
10444 (init_pragma): Use cpp_register_deferred_pragma directly for
10446 * c-pragma.h (enum pragma_kind): New.
10447 (pragma_handler): New.
10448 (c_invoke_pragma_handler): Declare.
10449 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10451 * c-common.h (c_common_pch_pragma): Update decl.
10452 * Makefile.in (c-parser.o): Update dependencies.
10453 (GTFILES): Add c-pragma.h.
10454 * c-parser.c (struct c_token): Add pragma_kind.
10455 (struct c_parser): Add in_pragma.
10456 (c_lex_one_token): Always initialize keyword and pragma_kind.
10457 Extract data for CPP_PRAGMA.
10458 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10459 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10460 Don't allow CPP_PRAGMA_EOL if in_pragma.
10461 (c_parser_consume_pragma): New.
10462 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10463 (c_parser_skip_to_end_of_parameter): Likewise.
10464 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10465 (c_parser_skip_to_pragma_eol): New.
10466 (c_parser_external_declaration): Handle CPP_PRAGMA.
10467 (c_parser_compound_statement_nostart): Likewise.
10468 (c_parser_statement_after_labels): Likewise.
10469 (c_parser_pragma): New.
10470 (pragma_lex): Likewise.
10471 (c_parser_pragma_pch_preprocess): New.
10472 (c_parser_new): Merge into ...
10473 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10475 2006-01-04 Jeff Law <law@redhat.com>
10478 * tree-cfg.c (bsi_replace): Remove the original statement
10479 from the EH throw statement table.
10481 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10483 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10484 make the prototype extern "C" and add throw ().
10487 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10488 and pos non-negative and pos + len <= 32.
10489 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10490 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10491 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10494 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10495 as well as sizes not multiple of component size.
10498 * function.c (instantiate_expr): New function.
10499 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10500 walk its DECL_VALUE_EXPR with instantiate_expr.
10502 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10503 DW_OP_deref{,_size} if address isn't going to be added.
10505 2006-01-04 Ben Elliston <bje@au.ibm.com>
10507 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10508 * config/fp-bit.c: Likewise.
10510 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10512 * dominance.c: Add comment about why we use DFS numbering
10515 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10516 Richard Henderson <rth@redhat.com>
10518 Merge from gomp-branch:
10519 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10520 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10522 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10524 PR rtl-optimization/25578
10525 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10526 pass a parameter to simplify_shift_const if changing ASHIFTRT
10529 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10531 * builtins.c (get_builtin_sync_mem): New function.
10532 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10533 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10534 Call get_builtin_sync_mem to generate mem rtx.
10536 2006-01-03 Richard Guenther <rguenther@suse.de>
10539 * stmt.c (add_case_node): Make sure to clear overflow flags
10542 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10544 Merge from gomp-branch.
10545 * config/sparc/sync.md: New file.
10546 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10547 UNSPECV_LDSTUB): New constants.
10548 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10549 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10550 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10553 2006-01-03 Roger Sayle <roger@eyesopen.com>
10555 * combine.c (reg_subword_p): New predicate to test whether the
10556 destination of a set refers to a subword/piece of a register.
10557 (try_combine): Generalize the code to merge the setting of a
10558 pseudo to a constant followed by a set of a subword of that
10559 register to a constant.
10561 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10563 * basic-block.h (control_flow_graph): Change the type of
10564 x_label_to_block_map to VEC(basic_block,gc) *.
10565 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10566 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10568 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10569 VEC(basic_block,heap) *.
10570 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10571 ssa_prop_fini): Adjust the uses of cfg_blocks.
10573 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10575 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10577 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10578 hashing trees instead of a pointer hash.
10579 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10580 compare for MEM_EXPR.
10582 PR rtl-optimization/25130
10583 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10584 when comparing MEMs for GCSE
10586 2006-01-03 Ben Elliston <bje@au.ibm.com>
10588 * targhooks.h (default_decimal_float_supported_p): Declare.
10589 * targhooks.c (default_decimal_float_supported_p): Define.
10590 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10591 `default_decimal_float_supported_p'.
10592 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10594 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10596 * combine.c (apply_distributive_law <SUBREG>): Check
10597 TRULY_NOOP_TRUNCATION.
10599 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10601 * dwarf2out.c (have_switched_text_section): Delete.
10602 (have_multiple_function_sections): New.
10603 (have_location_lists): Make 'bool'.
10604 (add_AT_loc_list): Use 'true' not '1'.
10605 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10606 (output_loc_list): Use have_multiple_function_sections.
10607 (output_ranges): Likewise.
10608 (dwarf2out_begin_function): Set have_multiple_function_sections if
10610 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10611 Check function_section rather than DECL_SECTION_NAME.
10612 (dwarf2out_finish): Use have_multiple_function_sections.
10613 Don't clear have_location_lists.
10615 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10616 Jan Hubicka <jh@suse.cz>
10618 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10619 case of conditional jump jumping to the next instruction.
10620 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10621 cases of conditional jump jumping to the next instruction.
10623 2006-01-02 Jan Hubicka <jh@suse.cz>
10625 * i386.c (*_cost): Add COSTS_N_INSNS.
10626 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10628 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10631 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10633 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10635 * config/arm/arm.c (all_fpus): Fix comment typo.
10636 * config/darwin.c: Likewise.
10637 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10638 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10639 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10641 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10643 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10644 (rs6000_split_compare_and_swapqhi): New.
10645 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10646 (sync_compare_and_swapqhi_internal): New.
10647 * config/rs6000/rs6000-protos.h: Declare.