1 2006-05-08 Chao-ying Fu <fu@mips.com>
2 Richard Sandiford <richard@codesourcery.com>
4 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6 * config/mips/mips.md (UNSPEC_SCC): New constant.
7 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9 (mips_emit_compare): Use it.
10 (mips_expand_vcondv2sf): New function.
12 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
14 Fix PR tree-optimization/27093
15 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
16 renaming when they become not-used_alone.
18 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
21 relocation and relocation stubs.
23 2006-05-08 Eric Christopher <echristo@apple.com>
25 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
28 2006-05-08 Jan Hubicka <jh@suse.cz>
31 * cgraphunit.c (decide_is_function_needed): When not optimizing even
32 unused static functions are needed.
34 2006-05-08 Roger Sayle <roger@eyesopen.com>
37 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
38 of a reg_equiv_constant if the result is a legitimate constant.
40 2006-05-08 Uros Bizjak <uros@kss-loka.si>
43 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
44 standard 80387 constants, raise the cost to prevent
45 compress_float_constant() to generate load from memory.
47 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
49 * config/arm/constraints.md (c): Fix a typo.
51 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
54 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
57 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
59 (_mm_mwait): Likewise.
61 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
63 (sse3_monitor): Make it 32bit only.
64 (sse3_monitor64): New. 64bit monitor.
66 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
69 * config/i386/i386.c (classify_argument): Skip fields with invalid
72 2006-05-07 Richard Guenther <rguenther@suse.de>
74 PR tree-optimization/27409
75 * tree-ssa-structalias.c (get_constraint_for_component_ref):
76 Do not try to find zero-sized subvars.
78 2006-05-07 Richard Guenther <rguenther@suse.de>
80 PR tree-optimization/27136
81 * tree-ssa-loop-niter.c (get_val_for): Correct function
82 comment, assert requirements.
83 (loop_niter_by_eval): Stop processing if the iterated
84 value did not simplify.
86 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
88 * opts.c (flag_see): remove its setting at -O3.
90 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
92 * genpeep.c (main): Make insn-peep.c depend on flags.h.
93 * arm/constraints.md: New file.
94 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
95 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
96 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
97 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
98 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
99 (EXTRA_MEMORY_CONSTRAINT): Likewise.
100 * arm.md: Include constraints.md.
101 (thumb_movsi_insn): Use satisfies_constraint_J.
102 (movhi, movqi): Use satisfies_constraint_I.
104 2006-04-29 Anatoly Sokolov <aesok@post.ru>
106 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
107 for atmeg a645 device.
109 2006-05-06 Richard Guenther <rguenther@suse.de>
111 PR tree-optimization/27151
112 * tree-vect-transform.c (vectorizable_condition): Punt on
113 values that have a different type than the condition.
115 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
118 * c-parser.c (c_parser_cast_expression): Only insert casts into
119 hash table if pointer.
120 * function.c (used_types_insert_helper): Rename from
122 (used_types_insert): Call used_types_insert_helper.
123 * function.h (used_types_insert): Accept only one argument.
125 2006-05-05 David Edelsohn <edesohn@gnu.org>
127 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
128 scratch with output modifier.
130 2006-05-04 David Edelsohn <edelsohn@gnu.org>
133 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
134 with output modifier.
136 2006-05-04 Richard Sandiford <richard@codesourcery.com>
139 * config/mips/mips.c (mips_symbolic_address_p): Return true
140 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
141 SYMBOL_GOTTPREL, and SYMBOL_TLS.
143 2006-05-04 Richard Guenther <rguenther@suse.de>
145 PR tree-optimization/14287
146 PR tree-optimization/14844
147 PR tree-optimization/19792
148 PR tree-optimization/21608
149 PR tree-optimization/27090
150 * tree-ssa-pre.c (try_combine_conversion): New function.
151 (compute_avail): After constructing the value-handle
152 expression, use try_combine_conversion to combine NOP_EXPRs
153 with previous value-handle expressions and use the result if it
156 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
158 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
160 2006-05-04 Jan Hubicka <jh@suse.cz>
163 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
165 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
167 * config/bfin/predicates.md (const01_rtx): Tell generator programs
168 that this only matches CONST_INTs. All users changed to VOIDmode
171 * config/bfin/bfin.c: Include "optabs.h".
172 (bfin_rtx_costs): Some costs for vector operations, to allow combine
174 (enum bfin_builtins): Add a number of fractional and vector builtins.
175 (bfin_init_builtins): Likewise.
176 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
177 (safe_vector_operand, bfin_expand_binop_builtin,
178 bfin_expand_unop_builtin): New functions.
179 (bfin_expand_builtin): Handle the new builtins.
180 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
183 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
186 * Makefile.in (OBJS-common): Add see.o.
187 (see.o): Add dependencies.
188 * common.opt (fsee): New flag for the see optimization was added.
189 * opts.c (flag_see): Initialized.
190 * passes.c (init_optimization_passes, pass_see): New pass.
191 * rtl.h (see_main): Declaration as extern.
192 * timevar.def (TV_SEE): New.
193 * tree-pass.h (pass_see): Declaration as extern.
194 * invoke.texi (-fsee): Document.
195 * recog.c (validate_simplify_insn): New function.
196 * recog.h (validate_simplify_insn): Declaration as extern.
197 * df-problems.c (df_chain_dump): Check for NULL.
199 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
200 Daniel Berlin <dberlin@dberlin.org>
202 * cfgrtl.c (insert_insn_bb_end_new): New function.
203 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
205 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
207 * df.h (struct web_entry): Moved from web.c.
208 (union_defs): Declaration as extern.
209 (unionfind_root): Likewise.
210 (unionfind_union): Likewise.
211 * web.c (struct web_entry): Moved to df.h.
212 (unionfind_root): Remove static declaration.
213 (unionfind_union): Likewise.
214 (union_defs): Likewise and generalize to use callback function.
215 (web_main): Update arguments for union_defs function call.
217 2006-05-04 Richard Guenther <rguenther@suse.de>
219 PR tree-optimization/26447
220 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
221 produce SSA_NAME copies before the store stmt to avoid
222 breaking exception handling.
224 2006-05-04 Jakub Jelinek <jakub@redhat.com>
227 * gimplify.c (omp_is_private): If var is shared in some outer context,
228 return false instead of true. Stop searching on parallel context
231 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
234 * coverage.c: Use get_gcov_unsigned_t() instead of
235 unsigned_type_node all over.
237 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
239 PR tree-optimization/27381
240 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
241 maintain the same immediate_use links.
242 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
243 node rather than segfaulting.
245 2006-05-03 Jakub Jelinek <jakub@redhat.com>
248 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
249 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
250 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
252 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
254 Fix PR tree-optimization/26626
255 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
257 * tree-ssa-operands.c (access_can_touch_variable): Allow
258 typecasting through union pointers.
260 2006-05-02 Jakub Jelinek <jakub@redhat.com>
263 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
264 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
265 to find if var will be a global variable even in the nested context.
266 (omp_copy_decl): Only check for global variable at the end, it might
267 be overridden in outer contexts.
268 (scan_sharing_clauses): For global variables don't create a field.
269 (lower_rec_input_clauses): Do nothing for global shared variables.
270 Emit a barrier at the end of ILIST if there were any decls in both
271 firstprivate and lastprivate clauses.
272 (lower_send_clauses): Do nothing for global variables except for
275 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
277 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
278 of the correct signedness is returned.
280 2006-05-02 Jeff Law <law@redhat.com>
282 PR tree-optimization/27364
283 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
284 multiply expressions.
286 2006-05-02 Tom Tromey <tromey@redhat.com>
288 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
290 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
293 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
294 -mthumb -fPIC are used.
296 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
297 Joshua Kinard <kumba@gentoo.org>
300 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
301 with 64-bit pointers.
303 2006-05-02 Paul Brook <paul@codesourcery.com>
305 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
307 (create_fix_barrier): Check that a suitable barrier location is
309 (arm_reorg): Include ftmp->address in allowable range of addresses.
311 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
314 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
317 2006-05-02 Jakub Jelinek <jakub@redhat.com>
320 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
321 around RESULT_DECL for result passed by reference.
322 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
323 * omp-low.c (use_pointer_for_field): Don't look at
324 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
325 (scan_omp_1): Call remap_decl on RESULT_DECLs.
326 (lower_rec_input_clauses): Don't allocate VLA memory for the second
327 time or var for passing by reference for
328 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
329 TREE_ADDRESSABLE variables when passing by reference.
331 * omp-low.c (dump_omp_region): Fix output formatting.
334 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
335 (expand_omp_parallel): Likewise.
336 * tree-cfg.c (move_sese_region_to_fn): Likewise.
339 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
340 on statement list containing also constructors and destructors.
341 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
344 * except.c (duplicate_eh_regions): Fix clearing of
345 cfun->eh->region_array entries.
347 2006-05-01 DJ Delorie <dj@redhat.com>
349 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
351 (gcc_cv_objdump): Likewise.
352 * configure: Regenerated.
354 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
357 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
358 templates for case 3 and 4.
360 2006-05-01 DJ Delorie <dj@redhat.com>
362 * vec.c: Include bconfig.h when appropriate.
363 * Makefile.in (build/vec.o): Adjust dependencies.
364 * mkconfig.sh: Make sure config.h isn't used for build machine
367 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
369 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
371 (mark_phi_for_rewrite): New function.
372 (insert_phi_nodes_for, mark_use_interesting): Call
373 mark_phi_for_rewrite.
374 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
375 (update_ssa): Initialize and free phis_to_rewrite.
377 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
379 PR rtl-optimization/27291
380 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
381 folded to a constant.
383 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
385 PR tree-optimization/27283
386 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
387 not whole # of iteration descriptions.
388 (niter_for_exit): Return just # of iterations. Fail if # of iterations
389 uses abnormal ssa name.
390 (niter_for_single_dom_exit): Ditto.
391 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
392 return just the number of iterations.
394 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
396 PR tree-optimization/27144
397 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
398 (record_estimate): Only record constant upper bound.
399 (infer_loop_bounds_from_undefined): Call
400 compute_estimated_nb_iterations just once.
401 (proved_non_wrapping_p): Renamed to ...
402 (n_of_executions_at_most): ... this. Expect bound to be a constant.
403 (convert_step_widening, scev_probably_wraps_p): Call
404 n_of_executions_at_most instead of proved_non_wrapping_p.
405 (substitute_in_loop_info): Do not replace values in bounds.
406 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
409 2006-05-01 Richard Henderson <rth@redhat.com>
412 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
413 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
416 2006-05-01 Roger Sayle <roger@eyesopen.com>
418 * c-typeck.c (parser_build_binary_op): Don't call the function
419 unsigned_conversion_warning to spot operand/result type overflow.
420 (build_binary_op): Instead, call convert_and_check instead of
421 convert to report the problem when the operands are promoted.
422 * c-common.c (unsigned_conversion_warning): Make static.
423 * c-common.h (unsigned_conversion_warning): Delete prototype.
425 2006-05-01 Richard Guenther <rguenther@suse.de>
427 PR tree-optimization/26726
428 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
430 (find_interesting_uses_address): ... we work around here
431 by folding INDIRECT_REFs in the substituted base.
433 2006-05-01 Diego Novillo <dnovillo@redhat.com>
435 * omp-low.c (dump_omp_region): Add newlines.
437 2006-04-30 Roger Sayle <roger@eyesopen.com>
439 * common.opt (Woverflow): New command line option.
440 * c-common.c (constant_expression_warning): Check warn_overflow.
441 (overflow_waring): Pass OPT_Woverflow to warning.
442 (unsigned_conversion_warning): Likewise.
443 (convert_and_check): Likewise.
444 * doc/invoke.texi: Document new command line option.
446 2006-04-30 David Edelsohn <edelsohn@gnu.org>
448 * config/rs6000/rs6000.c (rs6000_override_options): Enable
449 TARGET_NO_FP_IN_TOC for section anchors.
450 (optimization_options): Enable section anchors for all
451 non-"Objective" languages.
453 2006-04-28 Eric Christopher <echristo@apple.com>
455 * config/darwin-c.c (darwin_ms_struct): Move this
456 (darwin_set_default_type_attributes): and this...
457 * config/darwin.c: ... here.
458 * config/darwin.h (darwin_ms_struct): Declare.
460 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
462 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
464 2006-04-28 Roger Sayle <roger@eyesopen.com>
467 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
468 (push_array_bounds): Delete prototype. Change BOUNDS argument to
469 an unsigned HOST_WIDE_INT.
470 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
472 (really_start_incremental_init): No need to call convert because
473 bitsize_zero_node is already of type bitsizetype.
474 (push_init_level): Extract the value of constructor_index as an
475 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
476 (process_init_element): Likewise.
478 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
480 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
481 value before passing to make_relative_prefix.
483 2006-04-28 Alan Modra <amodra@bigpond.net.au>
486 * builtins.c (expand_builtin_memset): Expand val in original mode.
488 2006-04-27 Eric Christopher <echristo@apple.com>
490 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
492 * config/darwin-c.c (darwin_ms_struct): New.
493 (darwin_pragma_ms_struct): Ditto.
494 (darwin_set_default_type_attributes): Ditto.
495 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
496 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
497 Register ms_struct pragma.
498 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
499 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
500 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
501 darwin_set_default_type_attributes if TARGET_MACHO.
503 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
505 PR tree-optimization/26854
506 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
507 * doc/tree-ssa.texi: Update immuse iterator documentation.
508 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
509 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
510 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
511 first_safe_imm_use, next_safe_imm_use): Remove.
512 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
513 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
514 (move_use_after_head): New. Helper function to sort immuses in a stmt.
515 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
516 (first_imm_use_stmt): New. Get first stmt in an immuse list.
517 (next_imm_use_stmt): New. Get next stmt in an immuse list.
518 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
519 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
520 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
521 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
522 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
523 (perfect_nestify): Use new iterator.
524 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
526 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
527 (next_imm_name): New field in struct immediate_use_iterator_d.
528 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
529 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
530 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
531 * tree-cfg.c (replace_uses_by): Use new iterator.
532 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
533 * tree-ssa-operands.c (correct_use_link): Remove.
534 (finalize_ssa_use_ops): No longer call correct_use_link.
536 2006-04-27 Stuart Hastings <stuart@apple.com>
538 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
539 * config/t-darwin (crt3.o): Use it.
540 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
541 'pmode', use Pmode instead of SImode for SYMBOL_REF.
542 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
543 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
544 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
547 2006-04-27 Roger Sayle <roger@eyesopen.com>
549 * expmed.c (store_fixed_bit_field): If we're not optimizing for
550 size, force the intermediate into a new pseudo rather instead of
551 performing both a bitwise AND and a bitwise IOR in memory.
553 2006-04-27 Richard Guenther <rguenther@suse.de>
555 PR rtl-optimization/26685
556 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
557 this one "max-flow-memory-locations".
559 2006-04-27 Richard Guenther <rguenther@suse.de>
561 PR tree-optimization/25148
562 * tree-vrp.c (compare_values): Remove code dealing with
563 comparisons against type min/max value. Honour overflow
564 and negative constants in code dealing with comparisons
565 of plus and minus expressions.
566 (value_inside_range): Use fold_binary with LE_EXPR and
567 GE_EXPR rather than compare_values.
569 2006-04-27 Dirk Mueller <dmueller@suse.de>
571 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
574 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
576 * basic-block.h (safe_insert_insn_on_edge): Removed.
577 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
579 2006-04-26 David Edelsohn <edelsohn@gnu.org>
580 Paolo Bonzini <bonzini@gnu.org>
583 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
584 (simplify_and_const_int): Same.
586 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
588 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
590 2006-04-26 Jakub Jelinek <jakub@redhat.com>
593 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
594 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
595 cgraph_global_info_ready.
598 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
601 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
602 either decl or init is error_mark_node.
605 * tree-flow.h (struct omp_region): Add sched_kind.
606 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
607 instead of extracting omp for data.
608 (expand_omp_for): Save extracted sched_kind.
610 2006-04-25 Roger Sayle <roger@eyesopen.com>
612 * expmed.c (store_bit_field): Also check whether the bitsize is
613 valid for the machine's "insv" instruction before moving the
614 target into a pseudo for use with the insv.
615 * config/i386/predicates.md (const8_operand): New predicate.
616 * config/i386/i386.md (extv, extzv, insv): Use the new
617 const8_operand predicate where appropriate.
619 2006-04-25 DJ Delorie <dj@redhat.com>
621 * doc/install.texi (Specific): Clarify that this is not a list of
622 supported hosts or targets.
624 2006-04-25 Richard Sandiford <richard@codesourcery.com>
626 PR rtl-optimization/26725
627 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
628 block's BB_DIRTY flag.
630 2006-04-25 Geoffrey Keating <geoffk@apple.com>
632 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
635 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
638 2006-04-25 David Edelsohn <edelsohn@gnu.org>
640 * varasm.c (align_variable): New function.
641 (get_block_for_decl): Apply align_variable to DECL before
642 calculating section information.
643 (assemble_variable): Split out alignment computation.
645 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
647 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
650 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
652 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
653 MODE_PARTIAL_INT mode.
654 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
655 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
657 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
658 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
660 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
662 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
664 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
665 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
666 MACFLAG_IH): Likewise.
667 (movstricthi_1): Renamed from "*movstricthi".
668 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
669 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
670 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
671 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
672 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
673 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
674 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
675 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
676 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
677 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
678 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
679 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
680 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
681 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
682 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
684 * doc/rtl.texi (ss_ashift): Improve wording.
686 2006-04-24 Geoffrey Keating <geoffk@apple.com>
688 * dwarf2out.c (verify_marks_clear): New.
689 (prune_unused_types): Call verify_marks_clear initially, not
692 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
694 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
695 * doc/rtl.texi: Document them.
696 * simplify-rtx.c (simplify_unary_operation,
697 simplify_binary_operation_1): Don't abort when we see them.
699 2006-04-24 Mark Mitchell <mark@codesourcery.com>
702 2006-04-23 Mark Mitchell <mark@codesourcery.com>
703 * configure.ac: Completely disregard languages that are not
705 * configure: Regenerated.
707 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
708 Richard Guenther <rguenther@suse.de>
710 PR tree-optimization/27236
711 * tree-inline.c (copy_body_r): Make sure to copy
712 TREE_THIS_VOLATILE flag.
714 2006-04-24 Richard Guenther <rguenther@suse.de>
717 * tree-complex.c (update_parameter_components): Don't handle
718 unused parameters which have no default def.
720 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
721 Richard Guenther <rguenther@suse.de>
723 PR tree-optimization/27218
724 * tree-inline.c (expand_call_inline): Strip useless type
725 conversions for the return slot address.
727 2006-04-24 Richard Guenther <rguenther@suse.de>
729 * cfgloop.h (struct loops): Remove unused field array. Reorder
731 (LOOP_PREFETCH): Remove.
733 2006-04-24 Richard Guenther <rguenther@suse.de>
735 PR tree-optimization/22525
736 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
737 variable, adjust types of generated expressions.
739 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
741 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
742 (tree-vect-patterns.o): Likewise.
744 (cselib.o): Likewise.
745 (loop-doloop.o): Likewise.
746 (regclass.o): Likewise.
747 (reload1.o): Likewise.
748 (explow.o): Replace target.h with $(TARGET_H).
749 (ipa-prop.o): Likewise.
750 (ipa-cp.o): Likewise.
751 (ipa-inline.o): Likewise.
753 (reg-stack.o): Likewise.
755 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
757 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
759 2006-04-23 Mark Mitchell <mark@codesourcery.com>
761 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
763 * configure.ac: Completely disregard languages that are not
765 * configure: Regenerated.
768 * c-common.h (c_build_bitfield_integer_type): Declare.
769 * c-decl.c (c_build_bitfield_integer_type): Move to ...
770 * c-common.c (c_build_bitfield_integer_type): ... here.
772 2006-04-23 Roger Sayle <roger@eyesopen.com>
775 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
776 a SImode SUBREG of a floating point register after no_new_pseudos.
778 2006-04-23 Roger Sayle <roger@eyesopen.com>
780 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
781 identify potentially eliminable registers to additionally catch
782 VIRTUAL_INCOMING_ARGS_REGNUM.
783 (addsi3): Update the conditions on when to use addsi_small_int.
785 2006-04-23 Roger Sayle <roger@eyesopen.com>
788 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
789 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
790 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
792 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
794 * fold-const.c (range_predecessor): Use operand_equal_p
795 as the predicate for equality.
796 (range_successor): Likewise.
798 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
801 * config/soft-fp/op-common.h: Fix a typo.
803 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
806 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
807 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
809 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
811 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
813 * doc/tm.texi: Fix a typo.
815 2006-04-21 Geoffrey Keating <geoffk@apple.com>
817 * dwarf2out.c (struct die_struct): Document that die_sib makes
818 a circular linked list.
819 (FOR_EACH_CHILD): New.
820 (reverse_die_lists): Delete.
821 (reverse_all_dies): Delete.
822 (add_dwarf_attr): Correct documentation.
823 (remove_child_with_prev): New.
824 (remove_child_TAG): Update for change to die_struct, use
825 remove_child_with_prev.
826 (add_child_die): Update for change to die_struct.
827 (splice_child_die): Use remove_child_with_prev and add_child_die.
828 (print_die): Use FOR_EACH_CHILD.
829 (die_checksum): Likewise.
830 (assign_symbol_names): Likewise.
831 (output_location_lists): Likewise.
832 (build_abbrev_table): Likewise.
833 (calc_die_sizes): Likewise.
834 (mark_dies): Likewise.
835 (unmark_dies): Likewise.
836 (unmark_all_dies): Likewise.
837 (output_die): Likewise.
838 (prune_unused_types_mark): Likewise.
839 (prune_unused_types_walk): Likewise.
840 (same_die_p): Update for change to die_struct.
841 (break_out_includes): Likewise.
842 (prune_unused_types_prune): Likewise.
843 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
844 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
846 (dwarf2out_finish): Don't call reverse_all_dies.
848 2006-04-21 Eric Christopher <echristo@apple.com>
850 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
851 in comments and function names.
853 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
856 * c-typeck.c (digest_init): Robustify.
858 * c-typeck.c (pop_init_level): Simplify.
860 2006-04-21 Steve Ellcey <sje@cup.hp.com>
862 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
864 2006-04-21 Paul Brook <paul@codesourcery.com>
866 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
867 hardware floating point.
869 2006-04-21 David Edelsohn <edelsohn@gnu.org>
871 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
874 2006-04-21 Nick Clifton <nickc@redhat.com>
876 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
879 2006-04-21 Alan Modra <amodra@bigpond.net.au>
882 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
883 C++ lang type in traceback table for Objective-C++.
885 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
887 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
889 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
891 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
894 * tree-mudflap.c (mudflap_finish_file): Skip function when there
895 were errors. Remove check for erroneous objects.
897 2006-04-20 Jeff Law <law@redhat.com>
899 PR tree-optimization/26854
900 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
901 checking for zero or one use.
902 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
903 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
904 * tree-ssa-reassoc.c (negate_value): Similarly.
905 (reassociate_bb): Similarly.
907 2006-04-20 Jakub Jelinek <jakub@redhat.com>
909 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
910 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
911 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
913 2006-04-20 Alan Modra <amodra@bigpond.net.au>
915 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
916 fp regs if the last fp arg doesn't fit in regs.
918 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
921 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
922 that the last insn has the REG_INC note.
924 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
925 Nathan Sidwell <nathan@codesourcery.com>
928 * stor-layout.c (update_alignment_for_field): Do not align
930 (place_union_field): Place union field at the start of the union.
931 (place_field): Move ERROR_MARK check later, and use the current
932 allocation position to maintain monotonicity.
934 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
936 * dominance.c: Include timevar.h.
937 (calculate_dominance_info): Use TV_DOMINANCE.
938 * timevar.def (TV_DOMINANCE): New timevar.
939 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
941 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
943 PR rtl-optimization/14261
944 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
945 move would be an INSV insn.
946 (noce_process_if_block): Don't optimize if the destination is a
947 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
949 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
951 * config/s390/s390.md: Add comments with the instructions emitted
952 by an insn pattern if macros are used.
954 2006-04-19 Alan Modra <amodra@bigpond.net.au>
956 PR rtl-optimization/26026
957 * fold-const.c (fold_binary): Optimize div and mod where the divisor
958 is a known power of two shifted left a variable amount.
960 2006-04-18 Geoffrey Keating <geoffk@apple.com>
962 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
963 to hash table twice when the debug_str section has SECTION_MERGE.
965 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
967 * config/soft-fp: New directory. From glibc.
968 * config/soft-fp/t-softfp: New.
969 * config/soft-fp/README: New.
970 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
971 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
972 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
973 (LIBGCC_DEPS): Add $(SFP_MACHINE).
974 * config.gcc: Use rs6000/t-fprules-fpbit or
975 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
977 * config/rs6000/sfp-machine.h: New. Based on glibc.
978 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
980 * config/rs6000/t-fprules: Remove fp-bit rules.
981 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
982 * config/rs6000/t-linux64: Likewise. Remove duplicates from
983 LIB2FUNCS_EXTRA. Remove fp-bit rules.
984 (softfp_wrap_start, softfp_wrap_end): New.
986 2006-04-18 DJ Delorie <dj@redhat.com>
988 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
990 2006-04-18 Devang Patel <dpatel@apple.com>
992 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
994 2006-04-18 Nick Clifton <nickc@redhat.com>
996 * config/sh/t-symbian: Add rule to build sh-c.o
997 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
998 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
999 (sh_symbian_encode_section_info): Likewise.
1001 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1003 * builtins.c (expand_builtin_strcmp): Cover label definition of
1004 do_libcall with HAVE_cmpstrnsi.
1006 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1008 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1010 * function.h (temp_slot_p): New.
1011 (function): Change the type of x_used_temp_slots to
1012 VEC(temp_slot_p,gc) *.
1014 2006-04-18 Nick Clifton <nickc@redhat.com>
1016 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1017 flag_strength_reduce.
1019 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1021 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1025 Partial revert of revision 112637
1026 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1027 Dale Johannesen <dalej@apple.com>
1030 * regclass.c (struct reg_pref): Update documentation.
1031 (regclass): Set prefclass to NO_REGS if memory is the best option.
1032 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1034 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1036 PR tree-optimization/26821
1037 * tree-ssa-math-opts.c (get_constant_one): New.
1038 (insert_reciprocals): Use it.
1040 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1042 * dwarf2out.c (free_AT): Delete.
1043 (remove_AT): Update string ref counts.
1044 (remove_child_TAG): Don't call free_die.
1046 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1047 or DW_TAG_GNU_EINCL.
1048 (prune_unused_types_walk_attribs): Reset string refcounts.
1049 (prune_unused_types_update_strings): New.
1050 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1051 call free_die. Do call prune_unused_types_update_strings.
1052 (prune_unused_types): Empty debug_str_hash.
1054 2006-04-17 Roger Sayle <roger@eyesopen.com>
1056 * expr.c (expand_assignment): Optimize away no-op moves where the
1057 source and destination are equal and have no side-effects.
1059 2006-04-17 Richard Guenther <rguenther@suse.de>
1062 * reload.c (push_reload): Guard calls to get_secondary_mem
1065 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1067 * alias.c (reg_base_value, old_reg_base_value): Change the
1068 type to VEC(rtx,gc) *.
1069 (REG_BASE_VALUE, find_base_value, record_set,
1070 init_alias_analysis): Use VEC instead of VARRAY.
1072 * alias.c (alias_sets): Change the type to
1073 VEC(alias_set_entry,gc) *.
1074 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1075 VEC instead of VARRAY.
1076 (last_alias_set): Remove.
1078 * cgraph.h (cgraph_edge_p): New.
1079 Update the prototype of cgraph_function_versioning.
1080 * cgraphunit.c (cgraph_copy_node_for_versioning,
1081 cgraph_function_versioning): Use VEC instead of VARRAY.
1082 * ipa-cp.c (ipcp_insert_stage): Likewise.
1084 2006-04-16 Roger Sayle <roger@eyesopen.com>
1087 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1088 "A op B" or "A op C", we may need to convert A to the type of B and C.
1090 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1092 * target.h (struct gcc_target): Add mode_rep_extended.
1093 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1094 (init_num_sign_bit_copies_in_rep): Initialize it using
1096 (truncate_to_mode): Use it.
1097 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1098 * targhooks.h (default_mode_rep_extended): Declare it.
1099 * targhooks.c (default_mode_rep_extended): Define it.
1100 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1101 default_mode_rep_extended.
1102 (TARGET_INITIALIZER): Include it.
1103 * doc/tm.texi (Misc): Document it.
1104 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1105 (mips_truncated_to_mode): New function.
1107 2006-04-16 Roger Sayle <roger@eyesopen.com>
1110 * expr.c (compress_float_constant): Copy the narrow constant into
1111 a new pseudo before extending it to its final width.
1113 2006-04-16 Roger Sayle <roger@eyesopen.com>
1114 Andrew Pinski <pinskia@gcc.gnu.org>
1115 Dale Johannesen <dalej@apple.com>
1118 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1119 special case code to implement V8HImode and V16QImode with SSE2.
1121 2006-04-15 Roger Sayle <roger@eyesopen.com>
1123 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1124 trees are constructed with a suitable tree type.
1126 2006-04-15 Roger Sayle <roger@eyesopen.com>
1128 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1129 (integer_onep): Likewise.
1130 (integer_all_onesp): Likewise.
1131 (integer_pow2p): Likewise.
1132 (integer_nonzerop): Likewise.
1133 (real_zerop): Likewise.
1134 (real_onep): Likewise.
1135 (real_twop): Likewise.
1136 (real_minus_onep): Likewise.
1137 (int_size_in_bytes): Likewise.
1138 (host_integerp): Likewise.
1140 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1142 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1143 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1144 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1146 * tree-ssa-structalias.h (alias_info): Remove num_references.
1148 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1150 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1151 (output_bvb patterns): Likewise.
1152 * pa.c (output_bb): Use 'bb' insn for long branch case.
1153 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1154 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1155 1. Correct length operand for alternatives 1 and 2.
1156 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1157 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1159 2006-04-14 Roger Sayle <roger@eyesopen.com>
1161 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1162 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1163 were accidentally reverted by r112959.
1165 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1168 * except.h (eh_region_outermost): New prototype.
1169 * except.c (eh_region_outermost): New function.
1170 * tree-cfg.c (find_outermost_region_in_block): Use it.
1172 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1174 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1176 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1177 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1178 (init_reload, reload): Use VEC instead of VARRAY.
1179 * reload.h: Update the prototype for
1180 reg_equiv_memory_loc_varray.
1182 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1183 Eric Botcazou <ebotcazou@libertysurf.fr>
1185 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1188 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1191 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1192 to expand fallback builtin function call.
1194 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1197 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1198 and emit libcall here in case the builtin fails.
1199 (expand_builtin_strcmp): Always emit the libcall here on failure.
1201 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1203 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1204 * flow.c (reg_n_info): Change the type to
1205 VEC(reg_info_p,heap) *.
1206 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1208 * regs.h (reg_info_p): New.
1209 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1210 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1211 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1214 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1216 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1218 * params.h (MAX_SCHED_READY_INSNS): New macro.
1219 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1220 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1221 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1222 the ready list for 1 cycle during the first scheduling pass.
1223 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1225 2006-04-13 Richard Henderson <rth@redhat.com>
1228 * gimple-low.c (lower_omp_directive): Remove dead code.
1229 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1230 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1231 * omp-low.c (struct omp_region): Move to tree-flow.h.
1232 (root_omp_region): Export.
1233 (omp_regions, lookup_omp_region): Remove.
1234 (determine_parallel_type): Update for struct omp_region changes.
1235 (dump_omp_region): Dump regions with block numbers.
1236 (new_omp_region): Take type and block instead of stmt; malloc
1238 (free_omp_region_1, free_omp_regions): New.
1239 (expand_parallel_call): Take entry_stmt as argument; update for
1240 changes to omp_region.
1241 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1242 (remove_exit_barriers): New.
1243 (expand_omp_parallel): Update for struct omp_region changes.
1244 (expand_omp_synch): Likewise.
1245 (expand_omp): Likewise.
1246 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1247 (expand_omp_for_static_chunk): Likewise.
1248 (expand_omp_for): Likewise.
1249 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1250 (expand_omp_sections): Similarly, with GOMP_sections_end.
1251 (expand_omp_single): New.
1252 (build_omp_regions_1): Update for OMP_CONTINUE.
1253 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1254 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1255 OMP_SECTIONS_SECTIONS.
1256 (lower_omp_single_simple): Don't emit barrier here.
1257 (lower_omp_single_copy): Likewise.
1258 (lower_omp_single): Fix bindings, and lower to straightline now.
1259 (lower_omp_master, lower_omp_ordered): Likewise.
1260 (lower_omp_critical): Likewise.
1261 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1262 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1263 omp edges, free it afterward.
1264 (make_omp_sections_edges): Remove.
1265 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1266 (move_stmt_r): Handle OMP_CONTINUE.
1267 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1268 statement pointers to basic blocks. Add type member.
1269 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1270 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1271 * tree-inline.c (estimate_num_insns_1): Likewise.
1272 * tree-pretty-print.c (dump_generic_node): Likewise.
1273 * tree-ssa-operands.c (get_expr_operands): Likewise.
1274 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1275 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1276 (OMP_CONTINUE): New.
1277 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1278 (OMP_SECTIONS_SECTIONS): Remove.
1279 (OMP_SECTION_LAST): New.
1280 (OMP_RETURN_NOWAIT): New.
1282 2006-04-13 Roger Sayle <roger@eyesopen.com>
1284 * fold-const.c (native_encode_vector, native_interpret_real):
1285 Correct obvious mistakes in the previous check-in.
1287 2006-04-13 Roger Sayle <roger@eyesopen.com>
1289 * fold-const.c (native_encode_expr): New function to encode
1290 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1291 or VECTOR_CST into a specified buffer.
1292 (native_encode_int): New function.
1293 (native_encode_real): New function.
1294 (native_encode_complex): New function.
1295 (native_encode_vector): New function.
1296 (native_interpret_expr): Inverse of native_encode_expr to convert
1297 a target representation into an INTEGER_CST, REAL_CST etc...
1298 (native_interpret_int): New function.
1299 (native_interpret_real): New function.
1300 (native_interpret_complex): New function.
1301 (native_interpret_vector): New function.
1302 (fold_view_convert_expr): New function to constant fold/evaluate
1303 a VIEW_CONVERT_EXPR of a suitable constant expression.
1304 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1305 Change call of build1 to fold_build1 when constructing a
1308 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1309 Ulrich Weigand <uweigand@de.ibm.com>
1312 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1315 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1318 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1319 optimize to lo_sum for DFmode if !TARGET_FPRS.
1321 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1323 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1324 delete_alias_info, compute_flow_sensitive_aliasing,
1325 group_aliases): Use VEC instead of VARRAY.
1326 * tree-ssa-structalias.c (update_alias_info): Likewise.
1327 * tree-ssa-structalias.h (alias_info): Change the type of
1328 processed_ptrs to VEC(tree,heap) *.
1330 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1333 * config/sh/lib1funcs.h: New file, broken out of:
1334 * config/sh/lib1funcs.asm.
1335 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1337 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1338 * config/sh/lib1funcs-Os-4-200.asm: New file.
1339 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1340 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1341 (EXTRA_MULTILIB_PARTS): Include it.
1342 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1343 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1344 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1345 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1348 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1350 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1351 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1352 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1354 * tree-ssa-live.h: Include vecprim.h.
1355 (tree_partition_associator_d): Change the type of
1356 first_partition to VEC(int,heap) *.
1357 (tpa_first_partition): Use VEC instead of VARRAY.
1359 * Makefile.in (GTFILES): Move functions.h after tree.h.
1360 * function.c (reset_block_changes, record_block_change,
1361 check_block_change, free_block_changes): Use VEC instead of
1363 * function.h (function): Change the type of
1364 ib_boundaries_block to VEC(tree,gc) *.
1365 * tree-inline.c (copy_cfg_body): Initialize
1366 ib_boundaries_block to NULL instead of (varray_type) 0.
1368 2006-04-12 Roger Sayle <roger@eyesopen.com>
1370 * expr.c (emit_group_store): Correct operand order in call to
1371 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1372 a SUBREG_BYTE of zero.
1374 2006-04-12 Richard Guenther <rguenther@suse.de>
1376 * profile.c (compute_branch_probabilities): Remove code
1377 encapsulated in !ir_type (), which are remanents of the
1378 removed RTL profiling code.
1379 * rtl-profile.c: Remove.
1381 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1383 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1384 magic NULL_RTX comment.
1385 (function_arg): Store entire fp arg to mem if any part should go
1387 (rs6000_arg_partial_bytes): Adjust for above change.
1389 2006-04-11 Roger Sayle <roger@eyesopen.com>
1391 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1392 if it hasn't been initialized by dwarf2out_init.
1394 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1396 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1397 symbolic constants in branch patterns.
1399 2006-04-11 Roger Sayle <roger@eyesopen.com>
1401 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1403 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1405 PR rtl-optimization/27073
1406 * gcse.c (try_replace_reg): Revert last change. Continue to search
1407 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1410 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1412 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1413 aggregate types other than record and union types.
1414 (function_arg): Likewise.
1415 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1417 (function_value): In 64-bit mode, return objects that require it
1420 2006-04-11 Roger Sayle <roger@eyesopen.com>
1422 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1424 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1426 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1428 2006-04-03 Jeff Law <law@redhat.com>
1431 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1432 alias information too.
1434 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1436 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1438 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1441 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1442 (premark_used_types_helper): New.
1443 (premark_used_types): New.
1444 (gen_subprogram_die): Call premark_used_types.
1445 (prune_unused_types_walk): Do not prune perennial dies.
1446 * function.c (used_types_insert): New.
1447 * function.h (struct function): Add used_types_hash field.
1448 (used_types_insert): Add prototype.
1449 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1450 * c-parser.c (c_parser_cast_expression): Save casted types in used
1453 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1456 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1457 rs6000_explicit_options.float_gprs.
1459 2006-04-10 Roger Sayle <roger@eyesopen.com>
1461 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1462 from ix86_expand_vector_init_low_nonzero. Take an additional
1463 one_var argument indicating which element is non-zero. Support
1464 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1465 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1466 with one_var instead of ix86_expand_vector_init_low_nonzero.
1468 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1470 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1471 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1472 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1473 build/genextract.o): Depend on vecprim.h.
1474 * cfglayout.c, df-problems.c, function.c, genextract.c,
1475 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1476 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1480 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1482 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1483 Declare VECs of this type.
1484 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1485 (remove_children): Delete.
1486 (add_dwarf_attr): Use VEC routines.
1487 (add_AT_flag): Update for changes to add_dwarf_attr.
1488 (add_AT_int): Likewise.
1489 (add_AT_unsigned): Likewise.
1490 (add_AT_long_long): Likewise.
1491 (add_AT_vec): Likewise.
1492 (add_AT_string): Likewise.
1493 (add_AT_die_ref): Likewise.
1494 (add_AT_fde_ref): Likewise.
1495 (add_AT_loc): Likewise.
1496 (add_AT_loc_list): Likewise.
1497 (add_AT_addr): Likewise.
1498 (add_AT_lbl_id): Likewise.
1499 (add_AT_lineptr): Likewise.
1500 (add_AT_macptr): Likewise.
1501 (add_AT_offset): Likewise.
1502 (add_AT_range_list): Likewise.
1503 (get_AT): Use VEC_iterate.
1504 (remove_AT): Use VEC_ordered_remove.
1505 (free_die): Fold remove_children into here; have it use VEC_iterate.
1506 (print_die): Use VEC_iterate on attrs.
1507 (reverse_die_lists): Don't reverse attr lists.
1508 (die_checksum): Use VEC_iterate on attrs.
1509 (same_die_p): Likewise.
1510 (output_location_lists): Likewise.
1511 (build_abbrev_table): Likewise.
1512 (size_of_die): Likewise.
1513 (unmark_all_dies): Likewise.
1514 (output_abbrev_section): Likewise.
1515 (output_die): Likewise.
1516 (prune_unused_types_walk_attribs): Likewise.
1518 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1520 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1522 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1525 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1527 2006-04-09 Roger Sayle <roger@eyesopen.com>
1529 * expr.c (store_constructor): Don't bother clearing target if
1530 we're about to assign a vector to it using vec_init_optab.
1532 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1534 * tree-ssa-alias.c (lhs_may_store_to): New function.
1535 (recalculate_used_alone): Handle LHS of calls.
1537 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1541 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1542 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1543 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1544 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1545 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1546 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1547 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1548 stubs. Add ".align 8" directives before all ".dword" directives.
1549 (GTHREAD_USE_WEAK): Revise comment.
1550 (TARGET_ATTRIBUTE_WEAK): Define.
1551 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1552 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1553 * stublib.c: New file.
1558 * pa.md (cbranch patterns): Revise arguments used in calls to
1559 output_cbranch, output_bb and output_bvd. Add long branch length
1561 (fbranch patterns): Handle long branches.
1562 (jump): Revise length check. Revise arguments for output_lbranch call.
1563 Add long branch length attributes.
1564 (decrement_and_branch_until_zero): Add long branch length attributes.
1565 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1566 Likewise. Revise arguments for output_parallel_addb and
1567 output_parallel_movb calls.
1568 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1569 output_parallel_movb and output_parallel_addb): Update prototypes.
1570 * pa.c (output_cbranch): Revise arguments. Correct handling of
1571 nullification in long branches.
1572 (output_lbranch): Add new argument to control extraction of delay
1574 (output_bb): Handle long branches.
1575 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1576 output_parallel_addb): Likewise.
1578 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1580 PR rtl-optimization/27073
1581 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1584 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1586 * tree.h (tree_memory_tag): Add old_used_alone.
1587 (SMT_OLD_USED_ALONE): New macro.
1588 * tree-ssa-alias.c (recalculate_used_alone): Stop
1589 marking things for renaming unnecessarily.
1591 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1593 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1594 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1595 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1596 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1597 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1598 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1599 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1600 spelling convensions.
1601 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1602 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1603 typos. Follow spelling conventions.
1605 2006-04-07 DJ Delorie <dj@redhat.com>
1607 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1608 passed on the stack.
1609 (m32c_init_cumulative_args): When a function returns a structure,
1610 always pass the pointer to that return area on the stack.
1611 (m32c_function_arg_advance): Don't increment the parameter number
1612 if we're processing the returned structure pointer.
1613 (pushm_info): Reverse order of registers.
1615 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1617 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1618 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1619 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1620 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1622 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1623 chrec_fold_multiply): Same.
1624 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1625 force_expr_to_var_cost): Same.
1626 * tree-mudflap.c (mf_xform_derefs_1): Same.
1627 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1629 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1631 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1632 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1635 2006-04-07 Jan Hubicka <jh@suse.cz>
1637 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1639 2006-04-07 Richard Guenther <rguenther@suse.de>
1641 PR tree-optimization/26135
1642 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1643 loads for store copy-prop.
1644 (copy_prop_visit_stmt): Likewise.
1646 2006-04-05 Robert Millan <robertmh@gnu.org>
1648 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1649 being overriden in config/k*bsd-gnu.h.
1650 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1652 * gcc/config/knetbsd-gnu.h: Ditto.
1654 2006-04-06 Jan Hubicka <jh@suse.cz>
1658 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1661 2006-04-06 Mike Stump <mrs@apple.com>
1663 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1664 for HAVE_nonlocal_goto to be consistent.
1665 (expand_builtin_nonlocal_goto): Likewise.
1666 (expand_builtin_strcmp): Use #ifdef instead of #if
1667 for HAVE_cmpstrnsi to be consistent.
1669 2006-04-05 DJ Delorie <dj@redhat.com>
1671 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1674 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1676 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1677 got-relative addressing for anything but SImode.
1679 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1680 even if the calling function doesn't modify them.
1682 2006-04-05 Richard Guenther <rguenther@suse.de>
1684 PR tree-optimization/26919
1685 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1686 to cgraph_estimate_size_after_inlining.
1688 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1690 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1692 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1694 PR tree-optimization/26996
1695 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1696 VECTOR_TYPE variables.
1698 2006-04-05 Richard Guenther <rguenther@suse.de>
1700 PR tree-optimization/26763
1701 * fold-const.c (fold_comparison): Move folding of
1702 PTR + CST CMP PTR + CST ...
1703 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1705 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1707 * doc/install.texi (Prerequisites): Refine some wording on
1708 bootstrapping and ksh.
1709 Move the version numbers of DejaGnu here from the testing section
1710 and fix casing of names.
1711 Fix markup and clarify wording for autogen requirements.
1712 Refer to GCJ instead of just java.
1713 Refer to SVN instead of CVS.
1714 Describe diffutils as useful instead of necessary.
1715 (Downloading the source): Refer to SVN instead of CVS.
1716 Adjust a link to our web site accordingly.
1717 (Configuration): Fix casing of Bison.
1718 (Building): Refer to SVN instead of CVS.
1719 Fix a sentence on the use of Bison and remove duplicate (and
1720 incorrect) version number of Bison requirement.
1721 Remove one redundant list of packages needed for building.
1722 (Specific): Avoid reference to CVS.
1724 2006-04-04 Eric Christopher <echristo@apple.com>
1726 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1727 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1728 (rs6000_handle_struct_attribute): New.
1729 (rs6000_ms_bitfield_layout_p): Ditto.
1731 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1733 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1734 NULL for dso parameter to atexit_common.
1736 2006-04-04 Eric Christopher <echristo@apple.com>
1738 * config/i386/i386.c (machopic_output_stub): Output \t
1739 between instructions and operands.
1741 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1743 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1744 satisfies_constraint_[IL] to explicit tests on value.
1746 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1748 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1749 set_nb_iterations_in_loop): Use build_int_cst instead of
1751 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1752 build_int_cst instead of convert.
1754 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1756 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1757 new value 2 for incoming.
1758 * function.c (expand_function_start): Call struct_value_rtx
1760 * config/sparc/sparc.md: Comment updated_return.
1761 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1762 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1763 struct return if sparc_std_struct_return and incoming is 2.
1764 (print_operand): Do not adjust return if
1765 sparc_std_struct_return.
1767 2006-04-04 Roger Sayle <roger@eyesopen.com>
1769 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1770 convert in the middle-end.
1771 * expr.c (store_expr, store_constructor, get_inner_reference,
1772 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1774 * tree.c (build_range_type): Likewise.
1776 2006-04-04 Tom Tromey <tromey@redhat.com>
1778 * doc/install.texi (Prerequisites): Mention jar.
1780 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1782 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1785 2006-04-04 Matthias Klose <doko@debian.org>
1787 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1788 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1791 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1793 * doc/extend.texi (Function Attributes): Rewrite visibility
1794 attribute documentation.
1795 * doc/invoke.texi (C++ Dialect Options): Rewrite
1796 -fvisibility-inlines-hidden documentation to describe something
1797 entirely different, although in practise compatible.
1798 (Code Gen Options): Warn about system headers in -fvisibiltity=
1801 * doc/extend.texi (Other Builtins): Document that
1802 __builtin_nan is a compile-time constant only when its argument
1805 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1807 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1808 trying to remove TRUNCATE check if all bits outside the new mode
1809 are identical to the sign bit.
1811 2006-04-03 Jeff Law <law@redhat.com>
1813 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1814 and operand scanning in some common cases.
1816 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1817 Dale Johannesen <dalej@apple.com>
1820 * regclass.c (struct reg_pref): Update documentation.
1821 (regclass): Set prefclass to NO_REGS if memory is the best option.
1822 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1823 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1824 into account. For non-registers, equate an empty preferred
1825 reload class to a `!' in the constraint; move the if clause to
1826 do so after those that reject the insn.
1827 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1829 (find_dummy_reload): Likewise.
1830 * doc/tm.texi (Register Classes): Document what it means
1831 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1832 * config/i386/i386.c (ix86_preferred_reload_class): Force
1833 using SSE registers (and return NO_REGS for floating-point
1834 constants) if math is done with SSE.
1835 (ix86_preferred_output_reload_class): New.
1836 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1837 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1838 * config/i386/i386.md: Remove # register preferences.
1840 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1843 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1844 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1845 the type of nb_iter.
1846 (instantiate_parameters_1): Convert the operands before calling
1847 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1848 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1850 2006-04-02 Roger Sayle <roger@eyesopen.com>
1852 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1853 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1855 * dojump.c (do_jump): Likewise.
1856 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1857 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1858 gimplify_boolean_expr): Likewise.
1859 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1860 * varasm.c (array_size_for_constructor): Likewise.
1861 * tree-object-size.c (compute_object_offset): Likewise.
1863 2006-04-02 Roger Sayle <roger@eyesopen.com>
1866 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1867 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1869 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1871 PR tree-optimization/26939
1872 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1874 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1876 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1877 at_stmt. Convert the type of operands before calling
1878 build_polynomial_chrec.
1879 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1881 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1882 (instantiate_parameters_1): Convert the type of operands before calling
1883 build_polynomial_chrec.
1884 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1885 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1886 reset_evolution_in_loop): Insert asserts to check the types of the
1888 (chrec_type): Moved...
1889 (eq_evolutions_p): Use operand_equal_p.
1890 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1891 the types of the operands.
1892 (chrec_type): ...here.
1893 * tree-data-ref.c (create_data_ref): Convert the operands before
1894 calling chrec_replace_initial_condition.
1895 (same_access_functions, analyze_subscript_affine_affine,
1896 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1897 (compute_subscript_distance, analyze_ziv_subscript,
1898 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1899 analyze_miv_subscript): Convert the operands before calling
1900 chrec_fold_minus or chrec_fold_plus.
1902 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1904 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1905 the dependence_relations vector.
1906 (compute_data_dependences_for_loop): Adjust call to
1907 compute_all_dependences.
1909 2006-04-01 Roger Sayle <roger@eyesopen.com>
1910 Richard Henderson <rth@redhat.com>
1912 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1913 gimple_boolify on the condition before calling gimplify_expr.
1915 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1917 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1918 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1919 the frame size. Update to use the new macros.
1920 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1921 * config/xtensa/ieee754-df.S: Likewise.
1923 2006-03-31 Richard Henderson <rth@redhat.com>
1925 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1926 (make_edges): ... here. Control fallthru creation with a local
1927 variable. Do not play with fake edges.
1928 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1929 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1932 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1934 * dwarf2.h (DW64_CIE_ID): Define.
1935 * dwarf2out.c (DWARF_CIE_ID): Define.
1936 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1937 length header. Use DWARF_CIE_ID.
1938 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1939 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1941 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1943 * config/sh/linux-atomic.asm: New file.
1944 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1946 2006-03-31 DJ Delorie <dj@redhat.com>
1948 * config/m32c/cond.md: Set condition flags properly throughout.
1949 * config/m32c/minmax.md: Likewise.
1950 * config/m32c/prologue.md: Likewise.
1951 * config/m32c/bitops.md: Likewise.
1952 * config/m32c/muldiv.md: Likewise.
1953 * config/m32c/mov.md: Likewise.
1954 * config/m32c/addsub.md: Likewise.
1955 * config/m32c/m32c.md: Likewise.
1956 * config/m32c/jump.md: Likewise.
1957 * config/m32c/shift.md: Likewise.
1959 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1960 conditionally output the pattern for this.
1961 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1962 (m32c_compare_redundant): New.
1963 (m32c_output_compare): New.
1964 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1966 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1967 dest, not src. Allow other 4-byte modes.
1969 2006-03-30 Denis Chertykov <denisc@overta.ru>
1971 * doc/md.texi: Refer to avr/constraints.md instead of
1974 2006-03-30 Roger Sayle <roger@eyesopen.com>
1976 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1977 signed vs. unsigned comparison failures on some hosts.
1979 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1982 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1983 change to FLOAT_REGS.
1985 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1986 (rs6000_override_options): Use it.
1987 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1988 only for -mabi=spe/no-spe and -mabi=altivec.
1990 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1992 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1995 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1997 * Makefile.in: Rename docdir to gcc_docdir.
1999 2006-03-30 Roger Sayle <roger@eyesopen.com>
2002 * expr.c (emit_group_store): Optimize group stores into a pseudo
2003 register by using a paradoxical subreg to initialize the destination
2004 if the first or last member of the group specifies a "low part".
2006 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2009 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2010 * target.h (struct gcc_target.speculate_insn): Change type of the
2011 second parameter to 'int'.
2012 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2013 the second operand of the DEPS_LIST.
2014 (copy_DEPS_LIST_list): Update reference to the second operand of the
2016 * rtl.h (alloc_DEPS_LIST): Update signature.
2017 * sched-int.h (ds_t): Change typedef to 'int'.
2018 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2020 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2022 * haifa-sched.c (try_ready): Change condition to restore
2023 non-speculative pattern of the instruction.
2024 (process_insn_depend_be_in_spec): Code to keep probability of the
2025 speculative dependence non-decreasing.
2027 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2029 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2030 (single_move_for_movmem): ... this. Also change all uses.
2031 (bfin_expand_strmov): Renamed to...
2032 (bfin_expand_movmem): ... this. Also change all uses.
2033 * config/bfin/bfin.md (movstrsi): Renamed to...
2034 (movstrsi): ...this.
2036 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2038 PR tree-optimization/26830
2040 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2041 (copy_prop_visit_stmt): Remove write-only variable ann.
2042 (init_copy_prop): Check variable loop depth here. Do not simulate
2043 memory-tag and virtual operand PHIs except for store copy prop.
2045 2006-03-30 Richard Guenther <rguenther@suse.de>
2047 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2048 variants with double arguments.
2050 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2052 * genpreds.c (write_tm_constrs_h): Delete variable p.
2053 * genconditions.c (write_header): Add tm-constrs.h to included
2055 * genpeep.c (main): Add toplev.h to included headers.
2056 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2057 (build/genpeep.o): Add toplev.h dependency.
2058 * config/rs6000/constraints.md: Add "W" constraint.
2060 2006-03-29 Roger Sayle <roger@eyesopen.com>
2062 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2063 sizes by correctly testing whether the size fits a host integer.
2064 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2065 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2066 SImode range for the default sizetype and bitsizetype.
2068 2006-03-29 Roger Sayle <roger@eyesopen.com>
2070 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2071 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2072 quickly if the argument is already of the correct type.
2073 Call fold_build1 instead of build1. Tidy up blank lines.
2075 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2077 * genemit.c (main): Add tm-constrs.h to included headers.
2078 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2079 * genpeep.c (main): Add tm-constrs.h to included headers.
2080 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2081 (write_tm_constrs_h): this and write complete file.
2082 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2083 (write_insn_preds_c): Add tm-constrs.h to included headers.
2084 (gen_constrs): New variable.
2085 (parse_option): Parse "-c".
2086 (main): Invoke write_tm_constrs_h.
2087 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2088 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2089 (object_out_file): Add tm-constrs.h dependency.
2090 (insn-emit.o): Same.
2091 (insn-output.o): Same.
2092 (insn-peep.o): Same.
2093 (insn-preds.o): Same.
2094 (insn-recog.o): Same.
2095 (tm-constsr.h): New target.
2096 (s-constrs-h): New target.
2098 * config/rs6000/constraints.md: New file.
2099 * config/rs6000/rs6000.c: Include tm-constrs.h.
2100 (num_insn_constant_wide): Convert to satisfies_constraint.
2101 (rs6000_rtx_costs): Convert to satisfies_constraint.
2102 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2103 (CONST_OK_FOR_LETTER_P): Delete.
2104 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2105 (EXTRA_CONSTRAINT): Delete.
2106 (EXTRA_MEMORY_CONSTRAINT): Delete.
2107 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2108 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2109 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2110 satisfies_constraint.
2112 * config/i386/i386.c: Include tm-constrs.h.
2114 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2116 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2117 * tree-data-ref.c (find_data_references_in_loop,
2118 compute_data_dependences_for_loop): Use pointers to VEC.
2119 (analyze_all_data_dependences): Adjust calls.
2120 * tree-data-ref.h (find_data_references_in_loop,
2121 compute_data_dependences_for_loop): Adjust declarations.
2122 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2123 compute_data_dependences_for_loop.
2125 2006-03-29 Paul Brook <paul@codesourcery.com>
2127 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2130 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2132 PR tree-optimization/26859
2133 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2135 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2136 for the step after fold_convert.
2138 2006-03-29 Paul Brook <paul@codesourcery.com>
2140 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2141 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2143 2006-03-29 Paul Brook <paul@codesourcery.com>
2146 * targhooks.c (default_narrow_bitfield): New fuction.
2147 * targhooks.h (default_narrow_bitfield): add prototype.
2148 * target.h (gcc_target): Add narrow_volatile_bitfield.
2149 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2150 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2151 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2152 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2154 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2156 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2158 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2159 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2160 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2161 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2162 (s390_function_arg_float): Allow SDmode and DDmode values to be
2163 passed in floating point registers.
2164 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2165 check with SCALAR_FLOAT_MODE_P.
2166 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2168 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2170 PR tree-optimization/25985
2171 * tree-ssa-loop-niter.c (number_of_iterations_le,
2172 number_of_iterations_ne): Make comments more precise.
2173 (number_of_iterations_cond): Add only_exit argument. Use the
2174 fact that signed variables do not overflow only when only_exit
2176 (loop_only_exit_p): New.
2177 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2178 number_of_iterations_cond.
2180 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2182 PR tree-optimization/26643
2183 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2186 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2188 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2189 (divsi3_i4_int): Likewise.
2191 2006-03-28 Roger Sayle <roger@eyesopen.com>
2193 * expr.c (emit_group_store): Only create a new pseudo reg if the
2194 quantity it needs to hold isn't already a suitable pseudo.
2196 2006-03-28 Jeff Law <law@redhat.com>
2198 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2199 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2201 2006-03-28 Roger Sayle <roger@eyesopen.com>
2203 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2204 the equivalent ~X & Y, and the symmetry related transformations.
2205 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2206 ~X & Y, and symmetry related transforms.
2208 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2210 Revert my 2006-03-27 patches.
2212 2006-03-28 Roger Sayle <roger@eyesopen.com>
2214 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2215 ~(T1)X, when T1 and T2 are integer types of the same precision
2216 and (T2)X isn't an extension.
2218 2006-03-28 Jeff Law <law@redhat.com>
2220 PR tree-optimization/26796
2221 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2222 need EH edge cleanups rather than purging them immediately.
2223 (eliminate_degenerate_phis): Handle queued EH cleanups.
2225 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2227 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2230 2006-03-27 Roger Sayle <roger@eyesopen.com>
2233 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2234 cast BIT_NOT_EXPR operand to the correct type.
2236 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2238 * tree-loop-linear.c: Don't include varray.h.
2239 (gather_interchange_stats, try_interchange_loops,
2240 linear_transform_loops): Use VEC instead of VARRAY.
2241 * lambda-mat.c: Don't include varray.h.
2242 * tree-chrec.c: Same.
2243 * lambda-trans.c: Same.
2244 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2245 VEC instead of VARRAY.
2246 * tree-vectorizer.h: Idem.
2247 * tree-data-ref.c (dump_data_references,
2248 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2249 initialize_data_dependence_relation, finalize_ddr_dependent,
2250 compute_all_dependences, find_data_references_in_loop,
2251 compute_data_dependences_for_loop, analyze_all_data_dependences,
2252 free_dependence_relation, free_dependence_relations,
2253 free_data_refs): Idem.
2254 * tree-data-ref.h (data_reference_p, subscript_p): New.
2255 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2256 VEC instead of VARRAY.
2257 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2258 (find_data_references_in_loop, compute_data_dependences_for_loop,
2259 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2260 dump_data_dependence_relations, free_dependence_relations,
2261 free_data_refs): Adjust declaration.
2262 (lambda_transform_legal_p): Move declaration here...
2263 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2264 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2265 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2266 vect_analyze_data_refs): Use VEC instead of VARRAY.
2267 * lambda.h (lambda_transform_legal_p): ...from here.
2268 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2269 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2270 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2271 tree-chrec.o): Don't depend on VARRAY_H.
2273 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2275 * rtl.def (Copyright): Update date.
2276 (DEPS_LIST): Change type of the second operand to 'int'.
2277 * target.h (Copyright): Update date.
2278 (struct gcc_target.speculate_insn): Change type of the second parameter
2280 * lists.c (Copyright): Update date.
2281 (alloc_DEPS_LIST): Change signature. Update reference to the second
2282 operand of the DEPS_LIST.
2283 (copy_DEPS_LIST_list): Update reference to the second operand of the
2285 * rtl.h (Copyright): Update date.
2286 (alloc_DEPS_LIST): Update signature.
2287 * sched-int.h (Copyright): Update date.
2288 (ds_t): Change typedef to 'int'.
2289 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2291 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2293 * haifa-sched.c (Copyright): Update date.
2294 (try_ready): Change condition to restore non-speculative pattern
2296 (process_insn_depend_be_in_spec): Code to keep probability of the
2297 speculative dependence non-decreasing.
2299 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2301 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2302 shut up the compiler.
2304 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2306 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2307 to use lib prefix for target.
2308 ($(T)libic_invalidate_array_4-200.a): Likewise.
2309 ($(T)libic_invalidate_array_4a.a): Likewise.
2311 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2312 J"orn Rennecke <joern.rennecke@st.com>
2314 * superh.opt: New file.
2315 * sh.c (boardtype, osruntime): Remove.
2316 * superh.h (SUBTARGET_OPTIONS): Remove.
2317 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2319 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2320 arguments with ^ and/or [].
2322 * config.gcc (sh-*-*): Add quoting to account for quirk of
2324 Replace == with = in enable_incomplete_targets test.
2326 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2327 with MASK_LITTLE_ENDIAN.
2329 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2330 * config/sh/sh.opt: Added to some comments.
2331 * config/sh/superh.h: Removed some chaff.
2333 * config/sh/sh.opt: Add m4-[1234]00* options.
2334 * config/sh/sh.c (sh_handle_option): Likewise.
2335 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2336 (ic_invalidate_array_4-100.o): New rule.
2337 ($(T)libic_invalidate_array_4-100.a): Likewise.
2338 (ic_invalidate_array_4-200.o): Likewise.
2339 ($(T)libic_invalidate_array_4-200.a): Likewise.
2340 (ic_invalidate_array_4a.o): Likewise.
2341 ($(T)libic_invalidate_array_4a.a): Likewise.
2342 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2343 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2345 * config/sh/crt1.asm: Merged in profiling code.
2346 * config/sh/superh.h (STARTFILE_SPEC): Override.
2347 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2348 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2349 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2351 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2352 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2353 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2355 * sh.opt (mpretend-cmove): New option.
2356 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2357 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2358 (movsicc): Add TARGET_PRETEND_CMOVE code.
2360 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2362 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2363 s390_class_max_nregs): New function prototypes.
2364 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2365 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2366 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2367 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2369 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2371 * dwarf2out.c (add_location_or_const_value_attribute): Call
2372 tree_add_const_value_attribute if nothing else works.
2373 (reference_to_unused): New.
2374 (rtl_for_decl_init): Use reference_to_unused to decide whether
2375 to output an initializer.
2377 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2380 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2381 peephole removing spe frob_di_df_2.
2383 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2385 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2386 (subscript_dependence_tester_1): Declared.
2387 (print_dir_vectors, print_dist_vectors): New.
2388 (debug_data_dependence_relation): New.
2389 (dump_data_dependence_relation): Print more details.
2390 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2391 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2392 (save_dist_v, save_dir_v, add_outer_distances,
2393 build_classic_dist_vector_1): New.
2394 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2395 Don't test for lambda_vector_lexico_pos.
2396 (same_access_functions, add_multivariate_self_dist,
2397 add_other_self_distances, dir_from_dist): New.
2398 (build_classic_dir_vector): Replace implementation almost identical to
2399 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2401 (subscript_dependence_tester_1): New.
2402 (subscript_dependence_tester): Handle the lexicographically negative
2403 distance vectors by recomputing the dependence relation.
2404 (compute_affine_dependence): Remove parameter loop_nest_depth.
2405 (compute_self_dependence): Don't call compute_subscript_distance.
2406 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2407 Add a parameter for the loop_nest.
2408 (find_loop_nest_1, find_loop_nest): New.
2409 (compute_data_dependences_for_loop): Compute the loop nest, and give
2410 up if the nest is not well formed.
2411 * tree-data-ref.h (loop_p): New.
2412 (struct data_dependence_relation): Replace size_vect field with
2413 loop_nest, a vec of loops.
2414 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2415 (DDR_LOOP_NEST): New.
2416 (print_dir_vectors, print_dist_vectors,
2417 debug_data_dependence_relation): Declared.
2418 (index_in_loop_nest): New.
2419 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2420 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2423 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2425 * simplify-rtx.c (simplify_relational_operation): Call
2426 simplify_relational_operation_1 even if mode is VOIDmode.
2428 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2430 PR tree-optimization/26804
2431 * tree.h (DECL_CALL_CLOBBERED): New macro.
2432 (tree_decl_common): Add call_clobbered_flag.
2433 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2434 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2435 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2436 (mark_non_addressable): Ditto.
2437 * tree-ssa.c (verify_call_clobbered): New function.
2438 (verify_alias_info): Use it.
2439 * tree-pass.h (pass_reset_cc_flags): New prototype.
2440 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2441 (reset_cc_flags): New function.
2442 * passes.c (init_optimization_passes): Call reset_cc_flags after
2443 initializing referenced_vars.
2445 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2446 Roger Sayle <roger@eyesopen.com>
2449 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2450 to 1.0 for non-real operands. Implement A / A optimization for
2453 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2455 * config/i386/i386.c (size_cost): Correct the comment for
2456 cost of storing fp registers.
2457 (i386_cost): Likewise.
2458 (i486_cost): Likewise.
2459 (pentium_cost): Likewise.
2460 (pentiumpro_cost): Likewise.
2461 (k6_cost): Likewise.
2462 (athlon_cost): Likewise.
2463 (k8_cost): Likewise.
2464 (pentium4_cost): Likewise.
2465 (nocona_cost): Likewise.
2466 (generic64_cost): Likewise.
2467 (generic32_cost): Likewise.
2469 2006-03-24 Denis Chertykov <denisc@overta.ru>
2471 * config/avr/avr-protos.h (extra_constraint): Delete.
2472 (extra_constraint_Q): New declaration.
2473 * config/avr/constraints.md: New file.
2474 * config/avr/avr.md: Include it.
2475 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2476 (TMP_REGNO, ZERO_REGNO): Likewise.
2477 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2478 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2479 (extra_constraint): Delete.
2480 (extra_constraint_Q): Test for memory constraint 'Q'.
2481 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2482 (REG_CLASS_FROM_LETTER): Delete.
2483 (CONST_OK_FOR_LETTER_P): Delete.
2484 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2485 (EXTRA_CONSTRAINT): Delete.
2486 (TMP_REGNO): Delete.
2487 (ZERO_REGNO): Delete.
2489 2006-03-24 Jeff Law <law@redhat.com>
2491 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2492 directly. Call mark_new_vars_to_rename slightly earlier.
2494 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2496 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2498 (gen_compile_unit_die): Use new language types for Objective-C and
2500 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2501 DW_LANG_C_plus_plus.
2504 * config/t-darwin (crt3.o): Work around bug 26840.
2505 * config/darwin-crt3.c: Rewrite.
2506 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2508 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2510 * doc/invoke.texi: Document -femit-class-debug-always
2511 * common.opt: Add -femit-class-debug-always.
2513 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2515 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2516 index and base register.
2517 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2518 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2519 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2520 REGNO_OK_FOR_INDEX_P.
2521 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2523 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2524 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2525 REG_OK_FOR_BASE_P): Definitions removed.
2527 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2530 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2531 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2532 set yet or weren't marked as local yet.
2534 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2536 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2539 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2541 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2542 (rs6000_legitimate_small_data_p): Delete.
2543 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2544 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2545 and make static. Add forward declaration. Update uses.
2546 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2547 of offsettable_memref_p.
2548 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2549 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2551 2006-03-24 Jeff Law <law@redhat.com>
2553 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2554 around bug in immediate-use iterator.
2556 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2559 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2560 or __LITTLE_ENDIAN__.
2562 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2564 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2565 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2566 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2567 * config/sh/sh.opt (mdiv=): Amend description.
2568 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2569 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2570 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2571 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2572 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2573 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2574 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2575 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2576 TARGET_DIVIDE_CALL_FP.
2578 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2580 * haifa-sched.c (choose_ready): Fix type of the local variable.
2581 Move local variables. Add comment.
2582 (check_reg_live): Change signature. Make callable from debugger.
2583 * sched-int.h (check_reg_live): Update signature.
2584 * sched-ebb.c (check_reg_live): Update parameters.
2585 * sched-rgn.c (check_reg_live): Ditto.
2586 (region_head_or_leaf_p): Check pointer before dereferencing.
2587 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2588 before reload on optimization levels below 1.
2590 2006-03-23 Richard Henderson <rth@redhat.com>
2592 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2596 * config/alpha/predicates.md (local_symbolic_operand): Reject
2599 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2602 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2603 expressions which have overflowed constants.
2605 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2607 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2609 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2611 * cfgloopmanip.c (create_loop_notes): Removed.
2612 * final.c (final_scan_insn): Do not handle loop notes.
2613 * jump.c (squeeze_notes): Ditto.
2614 * cfglayout.c (skip_insns_after_block,
2615 duplicate_insn_chain): Ditto.
2616 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2618 * cfgloop.h (create_loop_notes): Declaration removed.
2620 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2622 * varasm.c (output_constant_pool): Restore fnname and fndecl
2624 (assemble_start_function): Adjust call accordingly.
2625 (assemble_end_function): Likewise.
2627 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2630 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2633 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2635 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2638 * system.h (ICE_EXIT_CODE): New macro.
2639 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2640 (diagnostic_action_after_output): Likewise.
2641 * gcc.c (fatal_ice): New function.
2642 (execute): Use it instead of fatal.
2643 (fancy_abort): Likewise.
2644 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2646 2006-03-22 Jeff Law <law@redhat.com>
2648 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2649 iv_analyze_result returning false.
2651 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2653 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2655 2006-03-22 Richard Henderson <rth@redhat.com>
2658 * except.c (duplicate_eh_regions_0): New.
2659 (duplicate_eh_region_1): Duplicate the children of the node as
2660 well as the node itself. Link them up properly.
2661 (duplicate_eh_region_2): Merge into ...
2662 (duplicate_eh_regions): ... here. Take copy_region argument, and
2663 copy only a sub-tree if asked. Simplify copying and fixup.
2664 (eh_region_outer_p): New.
2665 * except.h (duplicate_eh_regions): Update decl.
2666 (eh_region_outer_p): Declare.
2667 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2668 (lower_omp_master): Likewise.
2669 (lower_omp_ordered): Likewise.
2670 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2671 (move_stmt_r): Use it to remap labels. Handle recursion vs
2672 remap_decls_p properly.
2673 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2674 (find_outermost_region_in_block): New.
2675 (new_label_mapper): New.
2676 (move_sese_region_to_fn): Copy eh information to the new function
2678 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2680 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2683 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2685 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2686 into shared libraries.
2688 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2690 * doc/md.texi: Refer to i386/constraints.md instead of
2692 * config/i386/constraints.md: New file, extracted from...
2693 * config/i386/predicates.md: ...here.
2694 * config/i386/i386.md: Include constraints.md.
2696 2006-03-21 Jason Merrill <jason@redhat.com>
2698 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2701 * expr.c (init_block_move_fn): Force default visibility.
2702 (init_block_clear_fn): Likewise.
2703 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2704 * targhooks.c (default_external_stack_protect_fail): Likewise.
2706 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2708 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2709 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2710 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2711 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2712 (loadgp): Use mips_current_loadgp_style.
2713 (loadgp_noshared): New pattern.
2714 (sibcall_internal): Use MIPS_CALL.
2715 (sibcall_value_internal): Likewise.
2716 (sibcall_value_multiple_internal): Likewise.
2717 (call_internal): Likewise.
2718 (call_value_internal): Likewise.
2719 (call_value_multiple_internal): Likewise.
2720 (call_split): Use MIPS_CALL and add an 'S' constraint.
2721 (call_value_split): Likewise.
2722 (call_value_multiple_split): Likewise.
2723 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2724 (-mshared): New option.
2725 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2726 (mips_current_loadgp_style): Declare.
2727 * config/mips/mips.c (mips_classify_symbol): Avoid using
2728 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2729 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2730 TARGET_ABSOLUTE_ABICALLS.
2731 (override_options): Adjust comments. Improve the warning that is
2732 issued when -mabicalls and -G are used together.
2733 (mips_file_start): Remove comment.
2734 (mips_current_loadgp_style): New function.
2735 (mips_gnu_local_gp): New variable.
2736 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2738 (mips_output_function_prologue): Use mips_current_laodgp_style.
2739 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2740 the cprestore instruction.
2741 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2742 live for TARGET_ABSOLUTE_ABICALLS.
2743 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2744 (ASM_SPEC): Pass down -mshared and -mno-shared.
2745 (MIPS_CALL): New macro.
2746 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2748 * doc/invoke.texi (-mabicalls): Update documentation.
2749 (-mshared): Document.
2751 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2753 * config/ia64/unwind-hpux.c: New file.
2754 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2756 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2759 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2761 2006-03-21 Jeff Law <law@redhat.com>
2763 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2764 type conversions of a VR_VARYING source to a wider type.
2766 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2768 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2769 tm_file on Solaris 10 and later.
2770 (sparc64-*-solaris2*): Likewise.
2771 (sparc-*-solaris2*): Likewise.
2772 * config/sol26.h: Rename to config/sol2-6.h.
2773 * config/sol2-10.h: New file.
2775 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2778 * tree-ssa-pre.c (create_component_ref_by_pieces):
2781 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2784 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2785 return it immediately.
2787 2006-03-21 Michael Matz <matz@suse.de>
2789 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2791 (remove_arc, add_arc): Update num_out_arcs member.
2792 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2794 (cache_presence): New function.
2795 (compare_states_for_equiv): New function.
2796 (state_is_differed): Don't take number of outargs, adjust callers.
2797 Use new invariant for speeding up.
2798 (init_equiv_class): Create initial classes based on sorted
2800 (partition_equiv_class): Don't track out_arcs_num.
2801 (evaluate_equiv_classes): Call cache_presence on all states and
2804 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2806 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2807 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2808 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2809 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2811 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2812 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2813 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2814 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2815 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2817 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2818 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2819 (REGNO_REG_CLASS): ARGP is in PREGS.
2820 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2822 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2823 to deal with those addresses.
2824 * addresses.h: New file.
2825 * caller-save.c: Include "addresses.h".
2826 (init_caller_save): Use new base_reg_class function.
2827 * rtl-factoring.c: Include "addresses.h".
2828 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2829 * recog.c: Include "addresses.h".
2830 (preprocess_constraints): Use new base_reg_class function.
2831 * regrename.c: Include "addresses.h".
2832 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2833 functions. Keep track of a new var INDEX_CODE to compute valid
2835 (replace_oldest_value_addr): Likewise.
2836 (replace_oldest_value_mem): Use base_reg_class.
2837 * reload.c: Include "addresses.h".
2838 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2839 (find_reloads): Use new base_reg_class function.
2840 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2841 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2842 all callers and prototype changed.
2843 * reload1.c: Include "addresses.h".
2844 (maybe_fix_stack_asms): Use base_reg_class.
2845 * regclass.c: Include "addresses.h".
2846 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2847 (init_reg_autoinc): Use new base_reg_class function.
2848 (record_reg_classes): Likewise.
2849 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2850 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2851 Use new args to compute necessary class.
2853 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2854 regrename.o, rtl-factoring.o): Update dependencies.
2855 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2856 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2857 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2858 REG_OK_FOR_INDEX_P): Delete documentation.
2860 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2862 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2863 from V7 to V9 for Solaris 7 and above.
2865 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2867 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2868 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2869 argument pointers may not alias any other storage.
2870 * common.opt: Define option -fargument-noalias-anything.
2871 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2872 alias semantics is specified by flag_argument_noalias > 2.
2874 2006-03-20 Jeff Law <law@redhat.com>
2876 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2877 (pass_phi_only_cprop): Declare.
2878 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2880 * tree-ssa-dom.c (degenerate_phi_result): New function.
2881 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2882 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2883 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2884 (eliminate_degenerate_phis): Likewise.
2885 (pass_phi_only_cprop): New pass descriptor.
2886 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2887 support code. Callers updated.
2888 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2889 (store_copy_prop): Likewise.
2890 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2892 2006-03-20 Jason Merrill <jason@redhat.com>
2895 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2896 (push_visibility, pop_visibility): Likewise.
2897 * c-pragma.h: Declare them.
2899 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2901 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2903 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2904 parameter and use get_ebb_head_tail.
2905 (sh_md_init_global): Adjust uses of find_regmode_weight.
2907 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2909 * function.h (struct function) <x_tail_recursion_reentry>:
2910 Rename to x_stack_check_probe_note.
2911 (tail_recursion_reentry): Rename to stack_check_probe_note.
2912 * function.c: Replace tail_recursion_reentry with
2913 stack_check_probe_note everywhere.
2914 (expand_function_start): Only emit a note for
2915 stack_check_probe_note with -fstack-protect.
2916 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2918 * emit-rtl.c (remove_unnecessary_notes): Remove.
2919 (pass_remove_unnecessary_notes): Remove.
2920 * rtl.h (remove_unnecessary_notes): Remove prototype.
2921 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2922 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2923 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2925 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2928 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2929 (valid_in_set): Handle ARRAY_REF.
2930 Change "if min_variant or VH" to asserts.
2931 (create_component_ref_by_pieces): Handle ARRAY_REF.
2932 (create_expression_by_pieces): Likewise.
2933 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2935 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2937 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2938 is operand of switch, not str[0].
2940 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2942 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2943 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2945 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2947 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2948 end of insn_extra_address_constraint declaration.
2950 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2952 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2953 (no-sum-in-toc): Same.
2954 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2956 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2957 NO_FP_IN_TOC for -fPIC instead of mask.
2959 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2960 (BOOT_LDFLAGS): Delete.
2962 * config/rs6000/t-aix52: Same.
2964 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2965 (stmsi[345678]_power): New.
2967 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2969 * config/ia64/ia64.opt: Add empty line to end of file.
2971 2006-03-17 Richard Guenther <rguenther@suse.de>
2974 * builtins.c (get_pointer_alignment): For component style references
2975 adjust alignment to the component type alignment. Make sure
2976 to adjust alignment for component access of constants.
2978 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2980 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2983 2006-03-17 Paul Brook <paul@codesourcery.com>
2985 * doc/install.texi: Docuemnt --with-mode.
2986 * config.gcc: Add --with-mode for arm*-*-*.
2987 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2989 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2991 * sh.c (max_labelno_before_reorg): New variable.
2992 (sh_reorg): Initialize it.
2993 (find_barrier): Check max_labelno_before_reorg before using
2994 label_to_alignment. Take length of explicit alignment insns
2995 into account. When seeing a UNSPECV_CONST_END, return it.
2997 * sh.c (fixup_mova): Set mode of affected label to QImode.
2998 (untangle_mova): New function.
2999 (find_barrier): Use it. Check mode of label before decrementing
3001 (sh_reorg): Likewise.
3002 Set mode of all insns back to VOIDmode.
3004 * sh.c (MOVA_LABELREF): New macro.
3005 (mova_p, fixup_mova, sh_reorg): Use it.
3006 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3007 ADDR_DIFF_VEC matches mova.
3009 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3011 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3012 with ATTRIBUTE_UNUSED.
3014 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3016 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3017 pointer, instead of assuming it is possible to derive the
3018 correct args size from a call insn.
3020 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3022 * rtl.h (CONST_INT_P): Define.
3023 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3024 instead of GET_CODE(x) == CONST_INT.
3025 (vax_rtx_costs): Likewise.
3026 (vax_output_int_move): Likewise.
3027 (vax_output_int_add): Likewise.
3028 (legitimate_constant_address_p): Likewise.
3029 (index_term_p): Likewise.
3030 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3031 * config/vax/vax.md (and<mode>3): Likewise.
3032 (ashrsi3): Likewise.
3034 (movstricthi): Likewise.
3035 (movstrictqi): Likewise.
3036 (rotrsi3): Likewise.
3037 (five unnamed insns): Likewise.
3039 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3041 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3042 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3043 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3044 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3045 Pass to ASM_OUTPUT_DWARF_OFFSET.
3046 * dwarf2out.c (debug_frame_section): New.
3047 (output_call_frame_info): Use debug_frame_section. Pass it to
3048 dw2_asm_output_offset.
3049 (output_die): Pass appropriate section to dw2_asm_output_offset.
3050 (output_compilation_unit_header): Likewise.
3051 (output_pubnames): Likewise.
3052 (output_aranges): Likewise.
3053 (enum dw_val_class): Break dw_val_class_lbl_offset into
3054 dw_val_class_lineptr and dw_val_class_macptr.
3055 (add_AT_lbl_offset): Delete.
3056 (add_AT_lineptr): New.
3057 (add_AT_macptr): New.
3058 (AT_lbl): Expect a lineptr or macptr.
3059 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3060 (attr_checksum): Likewise.
3061 (same_dw_val_p): Likewise.
3062 (size_of_die): Likewise.
3063 (value_format): Likewise.
3064 (output_die): Likewise.
3065 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3067 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3068 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3069 * config/darwin-protos.h (darwin_file_start): New.
3070 (darwin_asm_output_dwarf_offset): New.
3071 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3072 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3074 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3075 if not EH section; simplify.
3076 (darwin_file_start): New.
3077 (darwin_asm_output_dwarf_offset): New.
3078 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3080 (DEBUG_INFO_SECTION): Likewise.
3081 (DEBUG_ABBREV_SECTION): Likewise.
3082 (DEBUG_ARANGES_SECTION): Likewise.
3083 (DEBUG_MACINFO_SECTION): Likewise.
3084 (DEBUG_LINE_SECTION): Likewise.
3085 (DEBUG_LOC_SECTION): Likewise.
3086 (DEBUG_PUBNAMES_SECTION): Likewise.
3087 (DEBUG_STR_SECTION): Likewise.
3088 (DEBUG_RANGES_SECTION): Likewise.
3089 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3090 (ASM_OUTPUT_DWARF_OFFSET): New.
3092 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3094 * config.gcc (tm_defines): Always add to previous value rather
3097 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3099 * config/mips/predicates.md (splittable_const_int_operand): New,
3100 split from move_operand.
3101 (splittable_symbolic_operand): New.
3102 (move_operand): Add commentary. Use splittable_const_int_operand.
3103 Inline mips_atomic_symbolic_constant_p.
3104 * config/mips/mips.md: Add combine splitters for handling moves
3105 of splittable_const_int_operands and splittable_symbolic_operands.
3106 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3107 (mips_split_symbol): Declare.
3108 (mips_move_integer): Declare.
3109 * config/mips/mips.c (mips_split_p): Make global.
3110 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3111 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3112 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3113 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3114 (mips_offset_within_object_p): Handle block symbols.
3115 (mips_atomic_symbolic_constant_p): Delete.
3116 (mips_cannot_force_const_mem): Return false for constants that
3117 mips_legitimize_move can handle.
3118 (mips_use_blocks_for_constant_p): New function.
3119 (mips_split_symbol): Make global.
3120 (mips_move_integer): Likewise. Add a temporary register argument.
3121 (mips_legitimize_const_move): Use splittable_const_int_operand and
3122 splittable_symbolic_operand.
3123 (mips_use_anchors_for_symbol_p): New function.
3124 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3125 (mips_split_p): Declare.
3127 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3129 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3130 (mips*-*-linux*): Likewise.
3132 2006-03-16 Roger Sayle <roger@eyesopen.com>
3133 Daniel Speyer <dspeyer@wam.umd.edu>
3136 * tree-dump.c (dump_real): New function.
3137 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3138 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3139 (tree-dump.o): Add $(REAL_H) to the dependencies.
3141 2006-03-16 Roger Sayle <roger@eyesopen.com>
3144 * real.c (real_from_string): If the mantissa is zero, don't bother
3145 parsing the exponent as the result should always be zero.
3147 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3149 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3151 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3153 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3154 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3155 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3156 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3157 ia64_sched_finish_global): New static functions to implement
3158 hooks from gcc_target.sched.
3159 (spec_check_no, max_uid, pending_data_specs): New static variables.
3160 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3161 ia64_spec_check_src_p): New static functions.
3162 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3163 (TARGET_SCHED_ADJUST_COST): Removed.
3164 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3165 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3166 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3167 TARGET_SCHED_GEN_CHECK,
3168 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3169 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3170 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3171 Fixed to handle speculation checks.
3172 (rtx_needs_barrier): Fixed to handle speculative loads and
3174 (ia64_variable_issue): Added code to count speculative loads and their
3176 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3178 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3180 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3182 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3183 (ia64_reorg): Reset stops_p to NULL after it is freed.
3184 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3185 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3186 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3188 (data_speculative, control_speculative, check_load): New attributes.
3189 (mov<mode>_advanced, mov<mode>_speculative,
3190 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3191 zero_extend<mode>di2_speculative,
3192 zero_extend<mode>di2_speculative_advanced): New patterns for
3193 data and control speculative loads.
3194 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3196 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3197 New pattern for data and control speculation checks.
3198 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3199 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3200 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3201 Auxiliary definitions for the patterns.
3202 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3203 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3205 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3207 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3208 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3209 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3210 New resource constraints.
3211 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3213 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3214 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3215 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3216 msched-in-control-spec, msched-ldc, msched-control-ldc,
3217 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3218 msched-prefer-non-control-spec-insns,
3219 msched-count-spec-in-critical-path): New flags to tune speculative
3221 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3222 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3223 msched-in-control-spec, msched-ldc, msched-control-ldc,
3224 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3225 msched-prefer-non-control-spec-insns,
3226 msched-count-spec-in-critical-path): Document new flags.
3228 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3230 * target.h (struct spec_info_def): New opaque declaration.
3231 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3232 speculate_insn, needs_block_p, gen_check,
3233 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3234 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3235 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3236 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3237 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3238 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3240 (TARGET_SCHED): Use new macros.
3241 * rtl.h (copy_DEPS_LIST_list): New prototype.
3242 * sched-int.h (struct sched_info): Change signature of new_ready field,
3243 adjust all initializations. New fields: add_remove_insn,
3244 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3245 region_head_or_leaf_p.
3246 (struct spec_info_def): New structure declaration.
3247 (spec_info_t): New typedef.
3248 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3249 recovery_block, orig_pat.
3250 (glat_start, glat_end): New variables declaraions.
3251 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3253 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3254 DETACH_LIFE_INFO, USE_GLAT.
3255 (enum SPEC_SCHED_FLAGS): New enumeration.
3256 (NOTE_NOTE_BB_P): New macro.
3257 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3258 attach_life_info, debug_spec_status, check_reg_live): New functions.
3259 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3260 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3262 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3263 * ddg.c (get_block_head_tail): Adjust all uses.
3264 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3265 (sms_sched_info): Initialize new fields.
3266 (contributes_to_priority): Removed.
3267 * haifa-sched.c (params.h): New include.
3268 (get_block_head_tail): Adjust all uses.
3269 (ISSUE_POINTS): New macro.
3270 (glat_start, glat_end): New global variables.
3271 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3272 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3273 old_last_basic_block, before_recovery, current_sched_info_var,
3274 rgn_n_insns, luid): New static variables.
3275 (insn_cost1): New function. Move logic from insn_cost to here.
3276 (find_insn_reg_weight1): New function. Move logic from
3277 find_insn_reg_weight to here.
3278 (reemit_notes, move_insn, max_issue): Change signature.
3279 (move_insn1): Removed.
3280 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3281 extend_bb): New static functions to support extension of scheduler's
3283 (generate_recovery_code, process_insn_depend_be_in_spec,
3284 begin_speculative_block, add_to_speculative_block,
3285 init_before_recovery, create_recovery_block, create_check_block_twin,
3286 fix_recovery_deps): New static functions to support
3287 generation of recovery code.
3288 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3289 restore_bb_notes, move_block_after_check, move_succs): New static
3290 functions to support ebb scheduling.
3291 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3292 functions to support handling of register live information.
3293 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3294 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3295 add_jump_dependencies): New static functions.
3296 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3297 consistancy checking.
3298 (debug_spec_status): New function to call from debugger.
3299 (priority): Added code to handle speculation checks.
3300 (rank_for_schedule): Added code to distinguish speculative instructions.
3301 (schedule_insn): Added code to handle speculation checks.
3302 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3303 Fixed to handle ebbs.
3304 (move_insn): Added code to handle ebb scheduling.
3305 (max_issue): Added code to use ISSUE_POINTS of instructions.
3306 (choose_ready): Added code to choose between speculative and
3307 non-speculative instructions.
3308 (schedule_block): Added code to handle ebb scheduling and scheduling of
3309 speculative instructions.
3310 (sched_init): Initialize new variables.
3311 (sched_finish): Free new variables. Print statistics.
3312 (try_ready): Added code to handle speculative instructions.
3313 * lists.c (copy_DEPS_LIST_list): New function.
3314 * sched-deps.c (extend_dependency_caches): New function. Move logic
3315 from create_dependency_caches to here.
3316 (get_dep_weak, ds_merge): Make global.
3317 * genattr.c (main): Code to output prototype for
3318 dfa_clear_single_insn_cache.
3319 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3320 (output_dfa_clean_insn_cache_func): Code to output
3321 dfa_clear_single_insn_cache function.
3322 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3324 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3326 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3327 New static variables.
3328 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3329 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3331 (ebb_sched_info): Initialize new fields.
3332 (get_block_head_tail): Adjust all uses.
3333 (compute_jump_reg_dependencies): Fixed to use glat_start.
3334 (schedule_ebb): Code to remove unreachable last block.
3335 (schedule_ebbs): Added code to update register live information.
3336 * sched-rgn.c (region_sched_info): Initialize new fields.
3337 (get_block_head_tail): Adjust all uses.
3338 (last_was_jump): Removed. Adjust users.
3339 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3340 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3341 Implement new hooks.
3342 (check_dead_notes1): New static function.
3343 (struct region): New fields: dont_calc_deps, has_real_ebb.
3344 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3345 (BB_TO_BLOCK): Fixed to handle EBBs.
3346 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3347 (ebb_head): New static variable.
3348 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3349 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3351 (compute_dom_prob_ps): New assertion.
3352 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3353 global_live_at_start.
3354 (init_ready_list): New assertions.
3355 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3356 (new_ready): Add support for BEGIN_CONTROL speculation.
3357 (schedule_insns): Fixed code that updates register live information
3359 (schedule_region): Fixed to handle EBBs.
3360 (init_regions): Use extend_regions and check_dead_notes1.
3361 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3362 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3363 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3364 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3365 TARGET_SCHED_GEN_CHECK,
3366 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3367 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3368 * doc/invoke.texi (max-sched-insn-conflict-delay,
3369 sched-spec-prob-cutoff): Document.
3371 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3373 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3374 inter_tick, queue_index.
3375 (struct sched_info): Change signature of init_ready_list field.
3376 Adjust all initializations.
3377 (RESOLVED_DEPS): New access macro.
3378 (ready_add): Remove prototype.
3379 (try_ready): Add prototype.
3380 * sched-rgn.c (init_ready_list): Use try_ready.
3381 (schedule_region): Initialize
3382 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3383 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3384 (init_ready_list): Use try_ready.
3385 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3386 * lists.c (remove_list_elem): Remove `static'.
3387 (remove_free_INSN_LIST_elem): New function.
3388 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3389 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3390 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3392 (readyp): New variable.
3393 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3394 change_queue_index, resolve_dep): New static functions.
3395 (try_ready): New function. Adjust callers in sched-rgn.c and
3396 sched-ebb.c to use it instead of ready_add.
3397 (clock_var): Move at the begining of file.
3398 (rank_for_schedule): Fix typo.
3399 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3400 (ready_lastpos): Enforce assertion.
3401 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3403 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3404 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3405 (queue_to_ready): Use free_INSN_LIST_list.
3406 (early_queue_to_ready): Fix typo.
3407 (schedule_block): Init readyp. Move init_ready_list call after the
3408 initialization of clock_var. Fix error in rejecting insn by
3409 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3410 that previously corrected INSN_TICKs. Add code for handling
3412 (set_priorities): Fix typo.
3413 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3414 Clarify comment and code that keeps current_sched_info->next_tail
3417 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3419 * sched-rgn.c (extend_rgns): New static function.
3420 (find_rgns): Use it.
3421 (gather_region_statistics, print_region_statistics): New static
3423 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3424 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3426 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3427 Andrey Belevantsev <abel@ispras.ru>
3429 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3430 * lists.c (unused_deps_list): New variable.
3431 (free_list): Add assertions to verify the proper distinguishing
3432 between INSN_LISTs and DEPS_LISTs.
3433 (find_list_elem, remove_list_elem, remove_list_node): New static
3435 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3436 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3437 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3438 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3440 (free_INSN_LIST_node): Likewise.
3441 * modulo-sched.c (current_sched_info): Initialize flags field.
3442 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3443 * rtl.def (DEPS_LIST): Define.
3444 * rtl.h: Declare new functions from lists.c.
3445 * sched-deps.c (spec_dependency_cache): New static variable.
3446 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3447 (add_dependence): Change return type to void. Move the logic to ...
3448 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3449 (delete_all_dependences): Add comment about forward_dependency_cache.
3450 Handle spec_dependency_cache. Handle DEPS_LISTs.
3451 (fixup_sched_groups): Clarify the change of priority of output
3452 and anti dependencies.
3453 (sched_analyze_2): Adjust add_dependence calls to create data
3454 speculative dependence.
3455 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3456 Adjust all callers. Handle DEPS_LISTS.
3457 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3458 presence of speculation.
3459 (init_dependency_caches, free_dependency_caches):
3460 Handle spec_dependency_cache.
3461 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3462 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3463 New static functions.
3464 (add_or_update_back_dep, add_or_update_back_forw_dep,
3465 add_back_forw_dep, delete_back_forw_dep): New functions.
3466 * sched-int.h (ds_t, dw_t): New typedefs.
3467 (struct sched_info): Add new field flags.
3468 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3469 Prototype new sched-deps.c functions.
3470 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3471 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3472 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3473 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3474 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3475 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3477 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3479 * sched-rgn.c (current_sched_info): Initialize flags field.
3480 (schedule_insns): Initialize current_sched_info before the sched_init
3482 * sched-ebb.c (current_sched_info): Initialize flags field.
3483 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3484 Call add_or_update_back_dep instead of add_dependence.
3485 Create control speculative dependencies.
3486 (schedule_insns): Initialize current_sched_info before the sched_init
3489 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3491 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3493 (sh_fallback_frame_state): Likewise.
3495 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3497 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3498 Do switch on default_use_cxa_atexit.
3499 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3500 * config/darwin-crt3.o: New.
3501 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3502 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3503 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3505 * config/rs6000/t-darwin: Move crt2.o building to here.
3506 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3507 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3510 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3512 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3513 from '! xxx' to '!xxx' for coding-style conformance.
3514 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3515 (EXTRA_CONSTRAINT): Likewise.
3516 * config/vax/vax.md (four unnamed insns): Likewise.
3518 2006-03-15 Paul Brook <paul@codesourcery.com>
3520 * config/arm/arm.c (minipool_pad): New.
3521 (add_minipool_forward_ref): Include pool alignment padding in address
3523 (push_minipool_fix): Set minipool_pad.
3524 (minipool_pad): Ditto.
3526 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3528 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3529 instead of GET_CODE() == MEM and REG_P() instead of
3531 (print_operand_address): Likewise.
3532 (vax_address_cost): Likewise.
3533 (vax_rtx_costs): Likewise.
3534 (vax_notice_update_cc): Likewise.
3535 (vax_output_int_add): Likewise.
3536 (INDEX_REGISTER_P): Likewise.
3537 (BASE_REGISTER_P): Likewise.
3538 (nonindexed_address_p): Likewise.
3539 (vax_mode_dependent_address_p): Likewise.
3540 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3541 (PRINT_OPERAND): Likewise.
3542 * config/vax/vax.md (ashlsi3): Likewise.
3543 (ashlsi3): Likewise.
3544 (some more unnamed insns): Likewise.
3546 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3548 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3549 iterator-style macro.
3550 (mark_control_dependent_edges_necessary): Update the use of
3551 EXECUTE_IF_CONTROL_DEPENDENT.
3553 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3555 * config/sh/predicates.md (cache_address_operand): Special.
3556 (ua_address_operand): Likewise.
3558 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3560 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3562 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3564 2006-03-15 Andreas Schwab <schwab@suse.de>
3566 * gensupport.c (identify_predicable_attribute): Don't free p_false
3567 when it is still in use.
3569 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3571 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3572 the default setting here.
3574 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3576 * tree-pass.h (pass_cfg): Remove.
3577 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3578 * passes.c (pass_cfg): Don't run it.
3580 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3582 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3583 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3585 (stack_regs_mentioned): Update the uses of
3586 stack_regs_mentioned_data. Don't access the array beyond its
3588 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3589 Don't include gt-reg-stack.h.
3591 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3592 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3594 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3597 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3600 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3602 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3604 2006-03-14 Richard Guenther <rguenther@suse.de>
3606 PR tree-optimization/26672
3607 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3610 2006-03-14 Richard Guenther <rguenther@suse.de>
3612 PR tree-optimization/26667
3613 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3614 node for the callees. Always allow inlining if it will shrink
3617 2006-03-14 Richard Guenther <rguenther@suse.de>
3620 * builtins.c (get_pointer_alignment): Prefer alignment
3621 information from decls over that from types.
3623 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3626 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3628 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3630 * config/rs6000/rs6000.opt (mdlmzb): New option.
3631 (msched-prolog, msched-epilog): Use Var not Mask.
3632 * doc/invoke.texi (-mdlmzb): Document.
3633 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3635 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3636 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3638 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3640 PR rtl-optimization/25739
3641 * bt-load.c (augment_live_range): Free tos pointer.
3643 * gensupport.c (identify_predicable_attribute): Free
3645 * gcov.c (create_file_names): Free name pointer.
3647 2006-03-13 Roger Sayle <roger@eyesopen.com>
3650 * stmt.c (emit_case_nodes): Handle the case where the index is a
3651 CONST_INT, where the comparison mode is specified by the index type.
3653 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3655 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3658 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3660 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3661 (*branch_fp_inverted): Likewise.
3663 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3666 * omp-low.c (expand_omp_for_generic): Mark istart0
3667 and iend0 as addressable.
3669 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3671 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3673 2006-03-13 Jeff Law <law@redhat.com>
3675 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3676 virtual operands are interesting.
3677 (vrp_visit_stmt): Corresponding changes.
3679 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3681 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3683 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3684 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3685 * config/bfin/crti.S: Use it instead of __PIC__.
3686 * config/bfin/crtn.S: Likewise.
3688 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3689 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3691 Lose 'G' modifier for call operand.
3692 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3693 recognize 'G' modifier.
3695 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3698 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3699 * stmt.c (expand_case): Likewise.
3701 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3703 PR rtl-optimization/26254
3704 * loop-invariant.c (seq_insns_valid_p): New function.
3705 (move_invariant_reg): Only emit new code if it is valid.
3707 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3709 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3711 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3712 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3713 (commit_one_edge_insertion): Do not look for loop notes.
3715 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3717 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3718 flag_test_coverage out of loop.
3720 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3722 * final.c (shorten_branches): Remove outdated comment, and turn
3723 the if branch that guards it to continue.
3725 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3727 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3728 * cfgloop.h (struct loop): Remove unused fields.
3730 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3732 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3733 (-dL, -fdump-rtl-loop2): Update the dump file names
3735 * doc/invoke.texi: Update dump file names.
3737 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3739 * predict.c (estimate_probability): Remove.
3740 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3741 * basic-block.h (estimate_probability): Remove prototype.
3742 * passes.c (finish_optimization_passes): Dump branch prediction or
3743 profiling heuristics to the .profile tree dump.
3744 (init_optimization_passes): Unqueue pass_branch_prob.
3746 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3748 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3750 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3751 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3753 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3755 * function.h (frame_offset_overflow): Declare.
3756 * function.c (frame_offset_overflow): New function.
3757 (assign_stack_local_1): Call it to detect that the offset overflows.
3758 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3760 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3762 * config/sh/sh.c: Include alloc-pool.h.
3763 (label_ref_list_pool): New alloc pool.
3764 (label_ref_list_t): New type for lists of labels.
3765 (struct pool_node): Make wend a label_ref_list_t.
3766 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3768 (dump_table): Likewise.
3769 (sh_reorg): Set up the alloc pool before using add_constant and
3770 dump_table, and destroy it when finishing.
3772 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3774 * config/mips/mips.c: Remove redundant comment.
3776 2006-03-10 Jason Merrill <jason@redhat.com>
3779 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3780 the target was declared 'register'.
3782 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3784 * genpreds.c (write_insn_constraint_len): Change definition of
3785 insn_constraint_len to return size_t to match the declaration.
3787 2006-03-10 DJ Delorie <dj@redhat.com>
3789 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3791 (m32c_expand_insv): Fix test for an AND mask.
3793 2006-03-10 Richard Guenther <rguenther@suse.de>
3796 * builtins.c (get_pointer_alignment): Handle component
3797 references for field alignment.
3799 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3801 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3802 when building with libgloss.
3803 (sh*elf): Implement --without-fp option.
3804 (sh64-superh-linux*): Don't multilib.
3806 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3808 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3810 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3812 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3813 Set it when one of the replacement functions returned true.
3814 Return TODO_cleanup_cfg if cfgchanged is true.
3815 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3817 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3819 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3820 instead of gen_lowpart.
3822 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3824 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3826 (mips_output_order_conditional_branch): Declare.
3827 * config/mips/mips.h (MIPS_BRANCH): New macro.
3828 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3829 for the comparison. Use gen_condjump.
3830 (mips_output_conditional_branch): Rework interface to take the
3831 asm templates for a direct branch and the inverse of a direct branch.
3832 (mips_output_order_conditional_branch): New function.
3833 (mips_builtin_branch_and_move): New function.
3834 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3835 branch condition. Use gen_single_cc as the condition for
3836 __builtin_mips_upper_* or __builtin_mips_lower_*.
3837 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3838 Use VOIDmode for the branch condition.
3839 * config/mips/predicates.md (order_operator): New predicate.
3840 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3841 (branch_fp): Rename to...
3842 (*branch_fp): ...this. Remove mode from comparison operator.
3843 Use new mips_output_conditional_branch interface.
3844 (branch_fp_inverted): Rename to...
3845 (*branch_fp_inverted): ...this and update as for *branch_fp.
3846 (*branch_zero<mode>): Rename to...
3847 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3848 Use mips_output_order_conditional_branch. Only accept ordered
3850 (*branch_zero<mode>_inverted): Rename to...
3851 (*branch_order<mode>_inverted): ...this and update as for
3852 *branch_order<mode>.
3853 (*branch_equality<mode>): Accept zero as the second operand to
3854 the equality operator. Use the new mips_output_conditional_branch
3856 (*branch_equality<mode>_inverted): Likewise.
3857 (condjump): New expander.
3858 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3860 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3861 (bc1any2t, bc1any2f): Likewise.
3862 (single_cc): New expander.
3863 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3865 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3867 * doc/md.texi: Update documentation of MIPS constraints.
3868 * config/mips/constraints.md: New file.
3869 * config/mips/mips.md: Include it.
3870 * config/mips/mips.c (mips_char_to_class): Delete.
3871 (override_options): Don't initialize mips_char_to_class.
3872 * config/mips/mips.h (mips_char_to_class): Delete.
3873 (REG_CLASS_FROM_LETTER): Delete.
3874 (CONST_OK_FOR_LETTER_P): Delete.
3875 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3876 (EXTRA_CONSTRAINT_Y): Delete.
3877 (EXTRA_CONSTRAINT_STR): Delete.
3878 (CONSTRAINT_LEN): Delete.
3879 (EXTRA_MEMORY_CONSTRAINT): Delete.
3881 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3883 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3884 original fn's eh regions.
3886 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3888 * fold-const.c (build_range_check): Make sure to use a valid type to
3889 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3892 (range_predecessor): New static function.
3893 (range_successor): Likewise.
3894 (merge_ranges): Use them to compute predecessors and successors of
3897 2006-03-09 Roger Sayle <roger@eyesopen.com>
3900 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3901 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3903 2006-03-08 DJ Delorie <dj@redhat.com>
3905 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3906 (addpsi3): Expand to include memory operands. Remove
3907 reload-specific splits.
3908 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3909 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3910 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3911 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3912 (shift1_qi, shift1_hi, insv): New.
3913 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3914 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3915 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3917 * config/m32c/m32c-protos.h: Update as needed.
3918 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3919 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3920 Fail for unrecognized R* constraints.
3921 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3922 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3923 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3925 (m32c_init_libfuncs): New.
3926 (m32c_legitimate_address_p): Add debug wrapper.
3927 (m32c_rtx_costs): New.
3928 (m32c_address_cost): New.
3929 (conversions): Add 'B' prefix.
3930 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3931 operands, or word regnames for QI operands. 'B' prints bit
3933 (m32c_expand_setmemhi): New.
3934 (m32c_expand_movmemhi): New.
3935 (m32c_expand_movstr): New.
3936 (m32c_expand_cmpstr): New.
3937 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3938 (m32c_expand_neg_mulpsi3): Handle non-ints.
3939 (m32c_cmp_flg_0): New.
3940 (m32c_expand_movcc): New.
3941 (m32c_expand_insv): New.
3942 (m32c_scc_pattern): New.
3943 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3944 a0/a1 out of SIregs.
3945 (STORE_FLAG_VALUE): New.
3946 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3949 * config/m32c/mov.md: Make constraints more liberal.
3950 (zero_extendqihi2): Optimize r0/r1 case.
3951 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3952 * config/m32c/predicates.md (m32c_any_operand): New.
3953 (m32c_nonimmediate_operand): New.
3954 (m32c_hl_operand): New.
3955 (m32c_r3_operand): New.
3958 (memsym_operand): New.
3959 (memimmed_operand): New.
3960 (a_qi_operand): New.
3961 (m32c_eqne_operator): New.
3962 (m32c_1bit8_operand): New.
3963 (m32c_1bit16_operand): New.
3964 (m32c_1mask8_operand): New.
3965 (m32c_1mask16_operand): New.
3966 * config/m32c/blkmov.md: New file.
3967 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3969 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3971 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3972 unsigned to fix signed/unsigned comparison issue in
3973 DWARF2_FRAME_REG_OUT.
3974 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3975 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3977 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3978 of ptr into the ENABLE_CHECKING section.
3980 2006-03-08 Jeff Law <law@redhat.com>
3982 * tree-vrp.c (infer_value_range): Only count pointer uses
3983 and dereferences if -fdelete-null-pointer-checks is enabled.
3985 * tree-vrp.c (find_assert_locations): Infer value ranges for
3986 single use pointers, but do not create ASSERT_EXPRs for them.
3987 When a non-null range is inferred for a pointer, backwards
3988 propagate that range to other equivalent pointers through the
3991 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3994 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3995 language hook targets.
3996 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3997 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3998 if language hook targets were missing.
4000 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4002 * tree-ssa-opfinalize.h: Removed.
4003 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4005 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4006 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4007 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4008 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4009 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4010 finalize_ssa_v_must_def_ops): New.
4012 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4014 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4017 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4019 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4021 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4022 addresses with offsets; reorganize.
4024 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4025 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4026 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4028 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4031 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4033 2006-03-08 Ben Elliston <bje@au.ibm.com>
4035 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4037 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4040 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4043 2006-03-07 Richard Guenther <rguenther@suse.de>
4045 PR tree-optimization/26587
4046 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4048 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4050 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4052 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4054 * hooks.c (hook_bool_mode_rtx_true): New function.
4055 * hooks.h (hook_bool_mode_rtx_true): Declare.
4056 * toplev.c (compile_file): Call output_shared_constant_pool.
4057 * varasm.c (shared_constant_pool): New variable.
4058 (assemble_start_function, assemble_end_function): Remove arguments
4059 from call to output_constant_pool.
4060 (create_constant_pool): New function, split out from...
4061 (init_varasm_status): ...here.
4062 (force_const_mem): Choose between the shared and per-function constant
4063 pools. Set current_function_uses_const_pool when reusing old entries
4064 as well as when creating new ones.
4065 (mark_constant): Ignore data argument.
4066 (mark_constants): Remove pool argument.
4067 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4068 to decide whether the function uses a constant pool.
4069 (output_constant_pool_contents): New function, split out from...
4070 (output_constant_pool): ...here.
4071 (output_shared_constant_pool): New function.
4072 (init_varasm_once): Initialize shared_constant_pool.
4073 * output.h (output_constant_pool): Delete.
4074 (output_shared_constant_pool): Declare.
4075 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4076 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4078 2006-03-06 Nick Clifton <nickc@redhat.com>
4080 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4081 flag_strength_reduce.
4083 2006-03-06 Ben Elliston <bje@au.ibm.com>
4085 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4086 x86_64-*-linux* configurations.
4088 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4089 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4091 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4093 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4095 * basic-block.h: Remove the extern for
4096 rediscover_loops_after_threading.
4098 * cfgloop.c (cancel_loop): Make it static.
4099 * cfgloop.h: Remove the prototype for cancel_loop.
4101 * flow.c (recompute_reg_usage): Make it static.
4102 * rtl.h: Remove the prototype for recompute_reg_usage.
4104 * function.c (use_return_register): Make it static.
4105 * function.h: Remove the prototype.
4107 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4109 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4111 * recog.h: Remove the prototype for
4112 validate_change_maybe_volatile.
4114 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4116 * rtlanal.c (replace_reg): Remove.
4117 * rtl.h: Remove the prototype for replace_reg.
4119 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4121 * regclass.c (reg_scan_update): Remove.
4122 (reg_scan_mark_refs): Remove the last argument.
4123 * rtl.h: Remove the prototype for reg_scan_update.
4125 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4127 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4128 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4129 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4130 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4131 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4132 loop-invariant.c, omp-low.c, opts.c, passes.c,
4133 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4134 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4135 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4136 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4137 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4138 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4140 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4142 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4143 * dwarf2out.h: Remove the prototype for
4144 dwarf2out_add_library_unit_info.
4146 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4148 * tree.c (add_var_to_bind_expr): Remove.
4149 * tree.h: Remove the prototype for add_var_to_bind_expr.
4151 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4153 * regclass.c (n_non_fixed_regs): Remove.
4154 (init_reg_sets_1, globalize_reg): Remove all uses of
4156 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4158 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4160 * rtlanal.c (insns_safe_to_move_p): Remove.
4161 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4163 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4165 * expmed.c (expand_mult_add): Remove.
4166 * expr.h: Remove the prototype for expand_mult_add.
4168 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4170 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4171 and REG_SAVED_VAL_EXP constants.
4172 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4173 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4174 Handle regs stored by value.
4175 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4176 (execute_cfa_program): Handle DW_CFA_val_offset,
4177 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4178 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4179 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4180 (uw_install_context_1): Handle target regs stored by value.
4182 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4184 * tree-sra.c (tree_sra): Return todoflags;
4185 (generate_one_element): Set TODO_update_smt_usage if needed.
4186 (pass_sra): Remove TODO_update_smt_usage.
4187 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4189 (tree_ssa_forward_propagate_single_use_vars): Return
4190 TODO_update_smt_usage if we need to update SMT usage.
4191 (pass_forwprop): Remove TODO_update_smt_usage.
4193 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4195 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4196 (correct_use_link): Remove reference to get_stmt_operands.
4197 (update_stmt_operands): Likewise.
4198 (get_modify_expr_operands): New function factored out of
4199 parse_ssa_operands and get_expr_operands.
4200 Try to create V_MUST_DEFs for LHS by default.
4201 (get_expr_operands) <case MODIFY_EXPR>: Call
4202 get_modify_expr_operands.
4203 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4204 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4205 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4206 get_modify_expr_operands.
4208 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4210 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4211 * tree-flow.h: Remove the prototype for
4212 referenced_var_lookup_if_exists.
4214 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4216 PR rtl-optimization/26345
4218 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4220 2006-03-03 Roger Sayle <roger@eyesopen.com>
4222 PR tree-optimization/26524
4223 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4224 fold_convert to create a constant of the appropriate type.
4226 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4228 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4229 SYMBOL_REF_IN_BLOCK_P.
4230 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4231 of SYMBOL_FLAG_IN_BLOCK.
4232 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4233 instead of SYMBOL_REF_IN_BLOCK_P.
4234 * explow.c (use_anchored_address): Likewise.
4235 * rtl.c (rtx_size): Likewise.
4236 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4237 instead of SYMBOL_FLAG_IN_BLOCK.
4238 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4239 SYMBOL_REF_IN_BLOCK_P.
4240 (assemble_variable): Likewise.
4241 (output_constant_def_contents): Likewise.
4242 (output_constant_pool): Likewise.
4243 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4244 instead of SYMBOL_FLAG_IN_BLOCK.
4245 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4246 SYMBOL_REF_IN_BLOCK_P.
4247 (SYMBOL_REF_BLOCK): Likewise.
4248 (SYMBOL_REF_OFFSET): Likewise.
4249 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4250 SYMBOL_REF_IN_BLOCK_P.
4251 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4252 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4253 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4254 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4256 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4258 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4260 2006-03-02 Roger Sayle <roger@eyesopen.com>
4262 * simplify-rtx.c (simplify_unary_operation): When simplifying
4263 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4264 that we perform the right shift in the appropriate mode, and
4265 then extend or truncate the result to requested mode.
4267 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4269 * gengtype.c (main): Handle double_int type.
4270 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4271 * double-int.c: New file.
4272 * double-int.h: New file.
4273 * system.h: Include doubleint.h.
4274 * Makefile.in (SYSTEM_H): Include double-int.h.
4275 (double-int.o): Add.
4277 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4280 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4283 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4285 * tree-vrp.c (remove_range_assertions): Do not update statements
4288 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4290 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4292 * gcse.c (rest_of_handle_gcse): Ditto.
4293 * except.c (gate_handle_eh): Ditto.
4294 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4295 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4297 2006-03-02 Eric Christopher <echristo@apple.com>
4299 * config/i386/i386.c (machopic_output_stub): Add indirection to
4302 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4306 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4308 Sun Niagara specific optimizations.
4309 * config.gcc: Recognize niagara as target.
4310 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4311 (TARGET_CPU_niagara): Define.
4312 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4313 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4314 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4315 (ASM_CPU_SPEC): Likewise.
4316 (PROCESSOR_NIAGARA): New enum entry.
4317 (REGISTER_MOVE_COST): Handle Niagara.
4318 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4319 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4320 (sparc_override_options): Recognize "niagara", set appropriate
4321 default MASK_* values for it, and align functions to 32-bytes
4322 by default just like ULTRASPARC/ULTRASPARC3.
4323 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4324 (sparc64_initialize_trampoline): Likewise.
4325 (sparc_use_sched_lookahead): Use zero for niagara.
4326 (sparc_issue_rate): Use one for niagara.
4327 * config/sparc/niagara.md: New file.
4328 * config/sparc/sparc.md: Include it.
4329 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4330 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4331 when default cpu is niagara.
4332 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4333 (ASM_CPU_SPEC): Likewise.
4334 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4335 when default cpu is niagara.
4336 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4337 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4338 just like v9/ultrasparc/ultrasparc3.
4339 * doc/invoke.texi: Add documentation for "niagara" and improve
4340 existing documentation for ultrasparc variants.
4342 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4344 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4346 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4348 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4349 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4350 and say that only one is needed.
4351 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4352 * target.h (have_switchable_bss_sections): New hook.
4353 * explow.c (use_anchored_address): Check that the symbol is in a block.
4354 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4355 (bss_noswitch_section): New variables.
4356 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4357 (get_noswitch_section): New function.
4358 (get_block_for_section): Allow SECT to be null.
4359 (unlikely_text_section_p): Use SECTION_STYLE.
4360 (bss_initializer_p): New function.
4361 (get_variable_section): Move earlier in file. Take a new argument,
4362 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4363 Return one of the new *_sections in such cases.
4364 (get_block_for_decl): New function, extracting some logic from
4365 use_blocks_for_decl_p.
4366 (change_symbol_section): Remove in favor of...
4367 (change_symbol_block): ...this new function.
4368 (use_blocks_for_decl_p): Remove checks now performed by
4370 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4371 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4372 (emit_local, emit_bss, emit_common): ...these new functions.
4373 Return true if the alignment was honored.
4374 (emit_tls_common): New function.
4375 (asm_emit_uninitialised): Delete.
4376 (assemble_variable_noswitch): New function, split out from...
4377 (assemble_variable): ...here. Don't make decisions about common
4378 variables here. Globalize all public decls that go into non-common
4379 sections. Check whether SYMBOL_REF_BLOCK is null.
4380 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4381 (output_constant_pool): Likewise.
4382 (init_varasm_once): Initialize the new section variables.
4383 (have_global_bss_p): New function.
4384 (categorize_decl_for_section): Use bss_initializer_p.
4385 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4386 (place_block_symbol): Assert that the symbol must be in a block.
4387 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4388 (TARGET_INITIALIZER): Include it.
4389 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4390 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4391 (SECTION_MACH_DEP): Bump by two.
4392 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4393 (unnamed_section): Mention SECTION_UNNAMED in comment.
4394 (named_section): Likewise SECTION_NAMED.
4395 (noswitch_section_callback): New type.
4396 (noswitch_section): New structure.
4397 (section): Add a noswitch_section alternative.
4398 (SECTION_STYLE): New macro.
4399 (tls_comm_section, comm_section, lcomm_section): Declare.
4400 (bss_noswitch_section, have_global_bss_p): Declare.
4401 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4402 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4404 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4405 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4408 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4410 * gcc/tree-vrp.c (execute_vrp): Return value.
4411 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4412 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4413 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4414 (tree_lower_complex_O0): Ditto.
4415 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4416 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4417 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4418 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4419 (execute_tail_calls): Ditto.
4420 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4421 * gcc/tree.h (init_function_for_compilation): Ditto.
4422 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4423 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4424 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4425 * gcc/final.c (compute_alignments): Ditto.
4426 (rest_of_handle_final): Ditto.
4427 (rest_of_handle_shorten_branches): Ditto.
4428 (rest_of_clean_state): Ditto.
4429 * gcc/omp-low.c (execute_expand_omp): Ditto.
4430 (execute_lower_omp): Ditto.
4431 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4432 * gcc/ipa-reference.c (static_execute): Ditto.
4433 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4434 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4435 (rest_of_handle_machine_reorg): Ditto.
4436 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4437 * gcc/flow.c (recompute_reg_usage): Ditto.
4438 (rest_of_handle_remove_death_notes): Ditto.
4439 (rest_of_handle_life): Ditto.
4440 (rest_of_handle_flow2): Ditto.
4441 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4442 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4443 (do_ssa_store_ccp): Ditto.
4444 (execute_fold_all_builtins): Ditto.
4445 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4446 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4447 * gcc/ipa-pure-const.c (static_execute): Ditto.
4448 * gcc/cse.c (rest_of_handle_cse): Ditto.
4449 (rest_of_handle_cse2): Ditto.
4450 * gcc/web.c (rest_of_handle_web): Ditto.
4451 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4452 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4453 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4454 * gcc/tree-nrv.c (tree_nrv): Ditto.
4455 (execute_return_slot_opt): Ditto.
4456 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4457 (create_structure_vars): Ditto.
4458 * gcc/loop-init.c (rtl_loop_init): Ditto.
4459 (rtl_loop_done): Ditto.
4460 (rtl_move_loop_invariants): Ditto.
4461 (rtl_unswitch): Ditto.
4462 (rtl_unroll_and_peel_loops): Ditto.
4463 (rtl_doloop): Ditto.
4464 * gcc/gimple-low.c (lower_function_body): Ditto.
4465 (mark_used_blocks): Ditto.
4466 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4467 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4468 (cgraph_early_inlining): Ditto.
4469 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4470 * gcc/jump.c (cleanup_barriers): Ditto.
4471 (purge_line_number_notes): Ditto.
4472 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4473 (rest_of_handle_if_after_reload): Ditto.
4474 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4475 (tree_ssa_loop_im): Ditto.
4476 (tree_ssa_loop_unswitch): Ditto.
4477 (tree_vectorize): Ditto.
4478 (tree_linear_transform): Ditto.
4479 (tree_ssa_loop_ivcanon): Ditto.
4480 (tree_ssa_empty_loop): Ditto.
4481 (tree_ssa_loop_bounds): Ditto.
4482 (tree_complete_unroll): Ditto.
4483 (tree_ssa_loop_prefetch): Ditto.
4484 (tree_ssa_loop_ivopts): Ditto.
4485 (tree_ssa_loop_done): Ditto.
4486 * gcc/predict.c (tree_estimate_probability): Ditto.
4487 * gcc/recog.c (split_all_insns_noflow): Ditto.
4488 (rest_of_handle_peephole2): Ditto.
4489 (rest_of_handle_split_all_insns): Ditto.
4490 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4491 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4492 (rest_of_handle_stack_adjustments): Ditto.
4493 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4494 * gcc/function.c (instantiate_virtual_regs): Ditto.
4495 (init_function_for_compilation): Ditto.
4496 (rest_of_handle_check_leaf_regs): Ditto.
4497 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4498 (rest_of_handle_gcse): Ditto.
4499 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4500 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4501 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4502 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4503 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4504 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4505 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4506 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4507 * gcc/except.c (set_nothrow_function_flags): Ditto.
4508 (convert_to_eh_region_ranges): Ditto.
4509 (rest_of_handle_eh): Ditto.
4510 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4511 (remove_unnecessary_notes): Ditto.
4512 * gcc/except.h (set_nothrow_function_flags): Ditto.
4513 (convert_to_eh_region_ranges): Ditto.
4514 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4515 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4516 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4517 (execute_fre): Ditto.
4518 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4519 (rest_of_handle_jump2): Ditto.
4520 * gcc/tree-sra.c (tree_sra): Ditto.
4521 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4522 (execute_mudflap_function_decls): Ditto.
4523 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4524 (do_store_copy_prop): Ditto.
4525 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4526 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4527 * gcc/tree-ssa-forwprop.c
4528 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4529 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4530 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4531 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4532 (execute_late_warn_uninitialized): Ditto.
4533 * gcc/rtl.h (cleanup_barriers): Ditto.
4534 (split_all_insns_noflow): Ditto.
4535 (purge_line_number_notes): Ditto.
4536 (unshare_all_rtl): Ditto.
4537 (remove_unnecessary_notes): Ditto.
4538 (recompute_reg_usage): Ditto.
4539 (variable_tracking_main): Ditto.
4540 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4541 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4542 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4543 (execute_free_cfg_annotations): Ditto.
4544 (execute_fixup_cfg): Ditto.
4545 (execute_cleanup_cfg_pre_ipa): Ditto.
4546 (execute_cleanup_cfg_post_optimizing): Ditto.
4547 (execute_init_datastructures): Ditto.
4548 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4549 * gcc/combine.c (rest_of_handle_combine): Ditto.
4550 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4551 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4552 (rest_of_handle_reorder_blocks): Ditto.
4553 (rest_of_handle_partition_blocks): Ditto.
4554 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4555 * gcc/tree-profile.c (tree_profiling): Ditto.
4556 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4557 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4558 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4559 (rest_of_handle_sched2): Ditto.
4560 * gcc/basic-block.h (free_bb_insn): Ditto.
4561 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4562 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4563 (remove_useless_stmts): Ditto.
4564 (split_critical_edges): Ditto.
4565 (execute_warn_function_return): Ditto.
4566 (execute_warn_function_noreturn): Ditto.
4567 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4568 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4569 * gcc/passes.c (execute_one_pass): Run additional
4570 todos returned by execute function.
4571 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4574 2006-03-02 Richard Guenther <rguenther@suse.de>
4576 * tree-ssa-alias.c (find_used_portions): Consider taking
4577 the address as making the variable not write-only.
4579 2006-03-02 Nick Clifton <nickc@redhat.com>
4581 * config.gcc (default_use_cxa_atexit): Extend the description of
4582 this configure variable. Set its default value to "yes" for
4583 Linux, NetBSD and ELF targets on the assumption that they will
4584 use C libraries with the __cxa_atexit function.
4586 2006-03-02 Ben Elliston <bje@au.ibm.com>
4588 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4589 parameter as unused to suppress a build warning.
4591 2006-03-02 Ben Elliston <bje@au.ibm.com>
4593 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4596 2006-03-01 Roger Sayle <roger@eyesopen.com>
4599 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4600 declared name, the weak reference name, and the typeof name.
4601 (__gthrw): Avoid expanding the declared name suffix.
4602 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4604 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4606 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4608 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4609 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4610 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4611 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4612 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4613 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4614 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4615 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4616 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4617 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4618 (DW_END_default, DW_END_big, DW_END_little): New.
4619 (DW_END_lo_user, DW_END_hi_user): Define.
4620 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4621 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4622 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4625 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4627 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4629 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4631 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4633 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4635 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4636 to 'symbol_mem_tag'.
4638 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4641 2006-03-01 Roger Sayle <roger@eyesopen.com>
4643 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4645 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4648 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4649 MACHO_DYNAMIC_NO_PIC_P.
4650 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4652 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4655 * config/darwin-protos.h (darwin_asm_output_anchor):
4657 * config/darwin-sections.def (cstring_section):
4658 Add SECTION_MERGE to the flags.
4659 (literal4_section): Likewise.
4660 (literal8_section): Likewise.
4661 (objc_selector_refs_section): Likewise.
4662 (objc_cls_refs_section): Likewise.
4663 * config/darwin.c (darwin_asm_output_anchor): New
4665 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4667 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4669 Fix PR tree-optimization/26443
4670 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4671 to todo and PROP_tmt_usage to properties_destroyed.
4672 * tree-ssa-ccp.c (pass_ccp): Ditto.
4673 (pass_store_ccp): Ditto.
4674 * tree-ssa-dom.c (pass_dominator): Ditto.
4676 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4678 * tree-ssa-operands.c: Cleanup whitespace.
4679 (get_asm_expr_operands): Move before first invocation.
4680 (get_indirect_ref_operands): Likewise.
4681 (get_tmr_operands): Likewise.
4682 (get_call_expr_operands): Likewise.
4683 (append_def): Likewise.
4684 (append_use): Likewise.
4685 (append_v_may_def): Likewise.
4686 (append_v_must_def): Likewise.
4687 (add_call_clobber_ops): Likewise.
4688 (add_call_read_ops): Likewise.
4689 (add_stmt_operand): Likewise.
4690 (add_virtual_operand): Likewise.
4691 (build_ssa_operands): Likewise.
4693 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4698 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4699 with a call expr to ...
4700 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4702 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4704 * tree-vrp.c (extract_range_from_assert): Remove special
4705 handling for types with super-types.
4707 2006-03-01 Ben Elliston <bje@au.ibm.com>
4709 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4710 and powerpc64-*-linux* configurations.
4711 * config/t-dfprules: New file.
4713 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4714 Compile dfp-bit.c from the source directory using -DWIDTH and
4715 $DFP_CFLAGS to control the compilation of that file, rather than
4716 generating width-specific versions in the build directory.
4717 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4718 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4720 2006-02-28 Zack Weinberg <zackw@panix.com>
4722 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4725 2006-02-28 Eric Christopher <echristo@apple.com>
4727 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4728 Set up IN_LIBGCC definition of TARGET_64BIT.
4729 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4731 2006-02-28 Roger Sayle <roger@eyesopen.com>
4734 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4735 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4736 cases via the construction of "expr != 0".
4738 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4740 * alias.c (alias_invariant, alias_invariant_size): Remove.
4741 (record_base_value): Remove.
4742 (memrefs_conflict_p): Don't look at alias_invariant.
4743 (end_alias_analysis): Don't free it.
4744 * alias.h (record_base_value): Remove prototype.
4746 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4747 Adam Nemet <anemet@caviumnetworks.com>
4749 * rtl.h (truncated_to_mode): Declare it.
4750 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4751 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4752 (RTL_HOOKS_INITIALIZER): Include it.
4753 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4754 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4755 reg_truncated_to_mode.
4756 * rtlanal.c (truncated_to_mode): Define it.
4757 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4759 2006-02-28 Jeff Law <law@redhat.com>
4761 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4762 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4763 the range allowed by TYPE_PRECISION.
4765 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4767 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4769 PR tree-optimization/26419
4770 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4773 2006-02-27 Zack Weinberg <zackw@panix.com>
4775 * doc/md.texi: Fix typo in previous change.
4777 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4781 2006-02-27 Zack Weinberg <zackw@panix.com>
4783 * rtl.def (define_constraint, define_register_constraint)
4784 (define_memory_constraint, define_address_constraint): New MD forms.
4785 * gensupport.c (process_rtx): Put define_constraint etc on the
4787 * genpreds.c (process_define_predicate): Adjust comment. Validate
4788 the name, and call validate_exp to validate the expression.
4789 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4790 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4791 all callers changed.
4792 (validate_exp, needs_variable, struct constraint_data)
4793 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4794 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4795 (const_dbl_constraints, constraint_max_namelen)
4796 (have_register_constraints, have_memory_constraints)
4797 (have_address_constraints, have_address_constraints)
4798 (have_extra_constraints, have_const_int_constraints)
4799 (have_const_dbl_constraints, mangle, add_constraint)
4800 (process_define_constraint, process_define_register_constraint)
4801 (write_enum_constraint_num, write_lookup_constraint)
4802 (write_insn_constraint_len, write_regclass_for_constraint)
4803 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4804 (write_insn_extra_memory_constraint)
4805 (write_insn_extra_address_constraint)
4806 (write_satisfies_constraint_fns): New.
4807 (write_tm_preds_h): If we have new-style constraint definitions,
4808 prototype the functions generated from them, and define the
4809 old constraint interface (still used by generic code) in terms of
4811 (write_insn_preds_c): If we have new-style constraint definitions,
4812 generate all relevant functions from those definitions.
4813 (main): Handle define_constraint etc.
4814 * genoutput.c (struct constraint_data, indep_constraints)
4815 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4816 (mdep_constraint_len): New data structures and functions, defined
4817 #ifdef USE_MD_CONSTRAINTS.
4818 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4819 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4820 use new logic to validate operand constraints against constraint
4822 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4824 * defaults.h: If none of the old-style constraint macros are
4825 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4826 old-style macros; and poison REG_CLASS_FROM_LETTER,
4827 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4829 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4830 * doc/md.texi: Document new constraint-definition mechanism and the
4831 C interface it provides. Remove references to old mechanism
4832 elsewhere in the document.
4833 (Machine Constraints): Use pathnames relative to gcc directory,
4834 i.e. config/ARCH/FILE. Change i386 section to refer to
4835 config/i386/predicates.md; update that section to match docstrings.
4836 * doc/tm.texi: Move all documentation of the old constraint-
4837 definition macros to their own section, clearly mark as obsolete.
4839 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4840 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4842 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4843 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4844 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4846 (splits and peepholes): Use satisfies_constraint_*.
4847 * config/i386/i386.c (memory_address_length)
4848 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4850 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4852 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4853 scalar operation to be put back into the loop.
4855 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4858 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4859 (extract_cie_info): Handle S flag in augmentation string.
4860 (execute_cfa_program): If context->signal_frame, execute also
4861 fs->pc == context->ra instructions.
4862 (uw_frame_state_for): If context->signal_frame, don't subtract one
4863 from context->ra to find FDE.
4864 (uw_update_context_1): Set context->signal_frame to
4866 (_Unwind_GetIPInfo): New function.
4867 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4868 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4870 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4871 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4872 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4873 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4874 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4875 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4876 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4877 x86_64_fallback_frame_state): Set fs->signal_frame.
4878 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4879 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4880 (frob_update_context): Likewise. Workaround missing S flag in
4881 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4882 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4883 Remove the psw_addr + 1 hack.
4885 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4887 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4888 with aggregates here.
4889 (find_func_aliases): Remove code for &<aggregate> from here.
4891 2006-02-26 Roger Sayle <roger@eyesopen.com>
4893 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4894 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4895 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4898 2006-02-26 Roger Sayle <roger@eyesopen.com>
4901 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4903 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4905 * opts.c (decode_options): Do not handle flag_strength_reduce.
4906 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4907 and OPT_fstrength_reduce.
4908 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4909 flag_prefetch_loop_arrays for being nonzero.
4910 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4912 (fprefetch-loop-arrays-rtl): Removed.
4913 (flag_prefetch_loop_arrays): Do not specify the value.
4915 * doc/passes.texi: Update documentation of loop optimizer
4917 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4918 -frerun-loop-opt): Remove.
4920 2006-02-26 Richard Guenther <rguenther@suse.de>
4922 PR tree-optimization/26421
4923 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4924 in function calls that are ADDR_EXPRs as using the whole structure.
4926 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4928 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4929 * tree-pass.h (pass_loop_optimize): Remove.
4930 * passes.c (pass_loop_optimize): Never run it.
4931 * toplev.c (backend_init): Don't call init_loop.
4932 * opts.c (flag_loop_optimize_set): Remove.
4933 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4934 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4935 the old RTL loop optimizer when profiling enabled.
4936 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4937 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4938 pre-headers for the sake of the old RTL loop optimizer.
4939 * Makefile.in: Remove all references to loop.o.
4941 * doc/invoke.texi: Remove all references to -floop-optimize
4942 and -frerun-loop-opt.
4944 2006-02-26 Zack Weinberg <zackw@panix.com>
4946 * doc/md.texi (Machine Constraints): Refer to all files with paths
4947 relative to gcc directory (i.e. config/CPU/file). Add missing
4948 @table @code ... @end table to M32C subsection.
4950 2006-02-26 Roger Sayle <roger@eyesopen.com>
4952 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4954 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4956 2006-02-26 Roger Sayle <roger@eyesopen.com>
4957 James A. Morrison <phython@gcc.gnu.org>
4960 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4961 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4962 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4963 signedness of the shift operation.
4965 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4967 PR tree-optimization/26359
4968 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4970 2006-02-25 Roger Sayle <roger@eyesopen.com>
4972 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4973 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4974 as X == 0, and some symmetry related transformations.
4975 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4977 2006-02-25 Roger Sayle <roger@eyesopen.com>
4980 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4981 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4982 symmetry related transformations. Fold (X^C1) == C2 as
4985 2006-02-25 Juergen Weigert <jw@suse.de>
4986 Richard Guenther <rguenther@suse.de>
4988 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4990 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4992 * combine.c (gen_lowpart_or_truncate): Call
4993 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4995 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4997 * doc/invoke.texi: Move -fopenmp description to "Options for
4999 Remove reference to -lgomp.
5001 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5003 * doc/install.texi: Require GNU tar version 1.14.
5005 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5007 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5008 * doc/invoke.texi (C++ Dialect Options): Document
5009 -fno-use-cxa-get-exception-ptr.
5010 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5011 * configure: Regenerate.
5012 * c.opt (fuse-cxa-get-exception-ptr): New.
5013 * c-opts.c (c_common_handle_option): Handle
5014 OPT_fuse_cxa_get_exception_ptr.
5015 * c-common.c (flag_use_cxa_atexit): Update documentation.
5016 (flag_use_cxa_get_exception_ptr): New.
5017 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5018 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5020 (C_COMMON_OVERRIDE_OPTIONS): New.
5022 2006-02-24 Roger Sayle <roger@eyesopen.com>
5025 * combine.c (try_combine): Explicitly check whether GET_CODE is
5026 a SET or a CLOBBER, instead on checking that it isn't a USE.
5028 2006-02-24 Roger Sayle <roger@eyesopen.com>
5030 * fold-const.c (fold_comparison): New subroutine of fold_binary
5031 containing transformations common to both the equality and
5032 ordering relational operators, factored out of fold_binary.
5033 (fold_binary): Separate out the equality operators (EQ_EXPR
5034 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5035 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5036 transformations common to both.
5037 (fold_div_compare): Fix latent bugs in the previously unreachable
5038 LT_EXPR and GE_EXPR cases.
5040 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5042 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5043 decl libname for clog to __clog on AIX.
5045 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5047 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5050 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5051 output traceback table for thunks. Localise rs6000_stack_info call.
5053 2006-02-23 Roger Sayle <roger@eyesopen.com>
5054 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5056 * gthr-posix.h (__gthrw): Fix typo in comment.
5058 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5060 * doc/cpp.texi (Character sets): Document that we do support
5061 input files to be in any character set.
5063 2006-02-23 Jeff Law <law@redhat.com>
5065 * tree.h (PHI_ARG_NONZERO): Remove.
5066 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5067 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5068 node to the new node.
5070 PR tree-optimization/26425
5071 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5072 min/max, then assume its varying.
5074 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5076 PR rtl-optimization/26316
5077 * rtlanal.c (enum may_trap_p_flags): New.
5078 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5079 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5080 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5081 (may_trap_after_code_motion_p): New function.
5082 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5083 (find_invariant_insn): Use may_trap_after_code_motion_p.
5084 * rtl.h (may_trap_after_code_motion_p): Declare.
5086 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5088 * emit-rtl.c (immed_double_const): Cleanup.
5090 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5092 Fix PR tree-optimization/26376
5093 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5096 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5099 * gimplify.c (omp_add_variable): Guard variable size decl test with
5100 DECL_SIZE (decl) check.
5102 2006-02-23 Richard Guenther <rguenther@suse.de>
5105 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5106 like aggregate types.
5108 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5110 * configure.ac: Add --with{,out}-long-double-128 configure option.
5111 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5112 * configure: Rebuilt.
5113 * config.in: Rebuilt.
5114 * doc/install.texi (Options specification): Document
5115 --with-long-double-128.
5117 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5118 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5119 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5120 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5122 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5124 * config/s390/s390.c (override_options): Handle
5125 TARGET_DEFAULT_LONG_DOUBLE_128.
5127 * config/alpha/alpha.c (override_options): Handle
5128 TARGET_DEFAULT_LONG_DOUBLE_128.
5130 * config/sparc/sparc.c (sparc_override_options): Handle
5131 TARGET_DEFAULT_LONG_DOUBLE_128.
5133 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5135 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5136 (real-install-headers-tar, real-install-headers-cpio)
5137 (real-install-headers-cp): New targets.
5139 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5141 * tree.h (variable_section): Delete.
5142 * varasm.c (variable_section): Delete.
5144 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5146 * install.texi: Add notes on install.texi2html.
5147 (Building in parallel): Do not use footnotes.
5149 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5152 * doc/install.texi (Configuration): Document --disable-libgomp.
5154 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5156 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5158 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5160 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5161 (vec_extractv2df_0_sse): New.
5163 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5165 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5166 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5167 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5168 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5169 to the result of the expression.
5170 (def_cfa_1): Adjust.
5171 (frame_pointer_cfa_offset): Rename to...
5172 (frame_pointer_fb_offset): ... this. Adjust all uses.
5173 (convert_cfa_to_loc_list): Rename to...
5174 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5175 Pass it on to build_cfa_loc.
5176 (compute_frame_pointer_to_cfa_displacement): Rename to...
5177 (compute_frame_pointer_to_fb_displacement): ... this. New
5178 offset parameter. Use it in computation.
5179 (gen_subprogram_die): Compute cfa_fb_offset with the new
5180 macro, and use it to compute the fb loc list and the
5183 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5185 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5186 replaced with register_operand.
5187 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5188 non-DREG is expensive.
5189 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5190 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5193 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5195 * doc/install.texi2html: Use set -e.
5197 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5199 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5200 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5201 * doc/invoke.texi (-fshared-data): Delete.
5202 * common.opt (fshared-data): Delete.
5203 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5204 (assemble_static_space): Remove #if 0 code.
5205 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5206 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5207 * config/cris/cris.h: Remove FIXME.
5209 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5211 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5214 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5217 * combine.c (simplify_shift_const_1): Disable nested shifts
5218 optimization for vector shifts.
5220 2006-02-20 Roger Sayle <roger@eyesopen.com>
5222 PR tree-optimization/26361
5223 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5224 of unsigned integer types.
5226 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5228 * tree-chrec.c (eq_evolutions_p): New.
5229 * tree-chrec.h (eq_evolutions_p): Declared.
5230 * tree-data-ref.c: Fix formatting.
5231 (datadep_stats, dependence_stats): New.
5233 (print_direction_vector): New.
5234 (dump_data_dependence_relation): Use print_direction_vector.
5235 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5236 (compute_subscript_distance): Static.
5237 (initialize_data_dependence_relation): Static. Get the number
5238 of loops surrounding the references from the callers, and initialize
5239 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5240 base_object_differ_p analyzers.
5241 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5242 compute_overlap_steps_for_affine_1_2,
5243 analyze_subscript_affine_affine): Count the classified dependences.
5244 Print a message when a test failed.
5245 (can_use_analyze_subscript_affine_affine): New.
5246 (analyze_siv_subscript): Compute the data dependences on symbolic
5247 scevs that verify can_use_analyze_subscript_affine_affine.
5248 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5249 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5250 Handle symbolic scevs.
5251 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5253 (subscript_dependence_tester): Moved...
5254 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5255 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5256 DDR_SIZE_VECT instead of getting it in parameter.
5257 (subscript_dependence_tester): ... here. Take as a parameter
5258 loop_nest_depth. Call build_classic_dist_vector and
5259 build_classic_dir_vector.
5260 (compute_affine_dependence): Update subscript_dependence_tester
5261 parameters. Update datadep_stats counters. Call
5262 compute_subscript_distance.
5263 (compute_self_dependence): Save the dist and dir vectors. Call
5264 compute_subscript_distance.
5265 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5266 (compute_all_dependences): Reorder parameters as they were before
5267 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5268 compute_subscript_distance. Update the use of
5269 compute_affine_dependence and initialize_data_dependence_relation.
5270 (find_data_references_in_loop): Handle COMPONENT_REF.
5271 (compute_data_dependences_for_loop): Initialize dependence_stats.
5272 Don't call build_classic_dist_vector and build_classic_dir_vector.
5273 Update the parameters of initialize_data_dependence_relation and
5274 compute_all_dependences. Print the statistics from datadep_stats.
5275 (analyze_all_data_dependences): Static. Not used until the pass for
5276 checking the data dependences is contributed.
5277 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5278 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5279 (initialize_data_dependence_relation, compute_affine_dependence,
5280 analyze_all_data_dependences, compute_subscript_distance): Removed.
5281 (print_direction_vector): New.
5282 * lambda.h (gcd): ... here.
5283 (lambda_vector_gcd): Moved here from gcd_vector.
5284 * lambda-code.c (gcd, gcd_vector): Removed.
5285 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5286 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5288 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5290 * ipa-type-escape.c: Tidy some comments and white space.
5291 * tree-ssa-operands.c: Likewise.
5293 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5296 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5297 (dump_decl_name): Do not walk the decl tree chains.
5298 * tree-pass.h (TDF_CHAIN): Remove.
5300 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5302 * Makefile.in (C): Remove
5304 (.PHONY): Remove C and PROTO
5306 2006-02-20 Roger Sayle <roger@eyesopen.com>
5309 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5310 deprecated CHAR_TYPE tree code.
5312 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5314 * configure.ac (target_list): Add install-info, dvi, html.
5315 * configure: Regenerate.
5317 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5318 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5319 treelang/Make-lang.in: Do not use double-colon rules.
5321 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5323 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5324 (TMT_USED_ALONE): New macro.
5325 * tree-pass.h (PROP_tmt_usage): New property.
5326 (TODO_update_tmt_usage): New todo.
5327 * tree-ssa-alias.c (updating_used_alone): New variable.
5328 (recalculate_used_alone): New function.
5329 (compute_may_aliases): Set updating_used_alone, call
5330 recalculate_used_alone.
5331 * tree-sra.c (pass_sra): Note that this pass destroys
5332 PROP_tmt_usage, and add TODO_update_tmt_usage.
5333 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5334 * tree-flow.h (updating_used_alone): Prototype.
5335 (recalculate_used_alone): Ditto.
5336 * passes.c (execute_todo): Add code to set updating_used_alone,
5337 and call recalculate.
5338 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5339 for clobber if used alone, and add assert to verify used_alone
5342 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5344 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5345 for non tls symbols added.
5346 (legitimize_address): Do nothing for PLUS expressions if one of the
5347 addends is a tls symbol reference.
5349 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5353 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5355 * Makefile.in (BOOTSTRAPPING): New.
5356 (quickstrap): New definition if BOOTSTRAPPING=yes.
5358 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5359 * configure.ac: Substitute all_selected_languages with the languages
5360 that were configured. For all the other variables except
5361 lang_specs_files, include all the languages in the tree.
5362 * configure: Regenerate.
5364 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5365 if there is one. Run the commands to run fixincludes in the same
5368 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5369 * doc/install.texi: Document exact conventions for searching target tools.
5370 Document --with-build-time-tools. Document toplevel bootstrap. Document
5371 something more about building an Ada cross-compiler. Don't list GNU Make
5372 requirements which affect all platforms.
5374 2006-02-19 Roger Sayle <roger@eyesopen.com>
5377 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5378 only equivalent if the have both the same mode and precision.
5380 2006-02-20 Ben Elliston <bje@au.ibm.com>
5382 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5384 2006-02-19 Roger Sayle <roger@eyesopen.com>
5385 Steven Bosscher <stevenb.gcc@gmail.com>
5387 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5388 constant pool references to identify stack mode constants.
5389 * rtlanal.c (constant_pool_constant_p): New predicate to check
5390 whether operand is a floating point constant in the pool.
5391 * rtl.h (constant_pool_constant_p): Prototype here.
5392 * loop.c (scan_loop): Avoid hoisting constants from the constant
5393 pool on STACK_REGS targets.
5394 (load_mems): Likewise.
5395 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5396 loads into x87 registers expensive in terms of register pressure.
5398 2006-02-19 Roger Sayle <roger@eyesopen.com>
5400 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5401 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5403 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5405 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5406 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5408 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5410 * doc/invoke.texi: Document -fipa-pta.
5411 * common.opt: Add ipa-pta option.
5412 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5413 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5414 (do_ds_constraint): Ditto.
5415 (get_constraint_for): Only add to referenced_vars if
5416 referenced_vars exists.
5417 (insert_into_field_list): Rewrite to do this unsorted.
5418 (insert_into_field_list_sorted): Rename old insert_into_field_list
5420 (create_function_info_for): Use insert_into_field_list_sorted.
5421 (create_variable_info_for): Rewrite so it uses unsorted version,
5422 since the field list is sorted.
5423 (intra_create_variable_infos): Only add to referenced_vars if
5424 referenced_vars exists.
5425 (ipa_pta_execute): Init heapvars, and delete when done.
5426 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5428 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5430 * doc/install.texi: Add missing `@samp'.
5432 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5434 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5437 2006-02-18 Mark Wielaard <mark@klomp.org>
5439 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5440 who added new 4.1 features, bug fixes and integration support.
5442 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5445 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5448 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5450 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5451 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5452 (copy_insn_1): Likewise. Don't copy each field individually.
5454 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5456 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5457 * rtl.c (rtx_size): Rename variable to...
5458 (rtx_code_size): ...this.
5459 (rtx_size): New function.
5460 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5461 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5463 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5464 * rtl.h (rtx_code_size): New variable.
5465 (rtx_size): Change from a variable to a function.
5466 (RTX_SIZE): Rename to...
5467 (RTX_CODE_SIZE): ...this.
5470 PR tree-optimization/17106
5471 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5472 (Anchored Addresses): New section.
5473 * doc/invoke.texi (-fsection-anchors): Document.
5474 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5475 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5476 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5477 * hooks.c (hook_bool_mode_rtx_false): New function.
5478 * hooks.h (hook_bool_mode_rtx_false): Declare.
5479 * gengtype.c (create_optional_field): New function.
5480 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5481 SYMBOL_REF_IN_BLOCK_P is true.
5482 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5483 (min_anchor_offset, max_anchor_offset): Likewise.
5484 (use_anchors_for_symbol_p): New hook.
5485 * toplev.c (compile_file): Call output_object_blocks.
5486 (target_supports_section_anchors_p): New function.
5487 (process_options): Check that -fsection-anchors is only used on
5488 targets that support it and when -funit-at-a-time is in effect.
5489 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5490 if the decl doesn't have one.
5491 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5492 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5493 of force_const_mem through use_anchored_address.
5494 (expand_expr_constant): New function.
5495 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5496 calling expand_expr for INDIRECT_REF.
5497 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5498 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5499 * expr.h (use_anchored_address): Declare.
5500 * loop-unroll.c: Don't declare rtx vectors here.
5501 * explow.c: Include output.h.
5502 (validize_mem): Call use_anchored_address.
5503 (use_anchored_address): New function.
5504 * common.opt (-fsection-anchors): New switch.
5505 * varasm.c (object_block_htab, anchor_labelno): New variables.
5506 (hash_section, object_block_entry_eq, object_block_entry_hash)
5507 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5508 (use_blocks_for_decl_p, change_symbol_section): New functions.
5509 (get_variable_section): New function, split out from assemble_variable.
5510 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5511 use_blocks_for_decl_p say so. Use change_symbol_section if the
5512 symbol has already been created.
5513 (assemble_variable_contents): New function, split out from...
5514 (assemble_variable): ...here. Don't output any code for
5515 block symbols; just pass them to place_block_symbol.
5516 Use get_variable_section and assemble_variable_contents.
5517 (get_constant_alignment, get_constant_section, get_constant_size): New
5518 functions, split from output_constant_def_contents.
5519 (build_constant_desc): Create a block symbol if use_object_blocks_p
5520 says so. Or into SYMBOL_REF_FLAGS.
5521 (assemble_constant_contents): New function, split from...
5522 (output_constant_def_contents): ...here. Don't output any code
5523 for block symbols; just pass them to place_section_symbol.
5524 Use get_constant_section and get_constant_alignment.
5525 (force_const_mem): Create a block symbol if use_object_blocks_p and
5526 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5527 (output_constant_pool_1): Add an explicit alignment argument.
5528 Don't switch sections here.
5529 (output_constant_pool): Adjust call to output_constant_pool_1.
5530 Switch sections here instead. Don't output anything for block symbols;
5531 just pass them to place_block_symbol.
5532 (init_varasm_once): Initialize object_block_htab.
5533 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5534 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5535 (place_block_symbol, get_section_anchor, output_object_block)
5536 (output_object_block_htab, output_object_blocks): New functions.
5537 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5538 (TARGET_ASM_OUT): Include it.
5539 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5540 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5541 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5542 (TARGET_INITIALIZER): Include them.
5543 * rtl.c (rtl_check_failed_block_symbol): New function.
5544 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5545 (block_symbol, object_block): New structures.
5546 (rtx_def): Add a block_symbol field to the union.
5547 (BLOCK_SYMBOL_CHECK): New macro.
5548 (rtl_check_failed_block_symbol): Declare.
5549 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5550 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5551 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5552 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5553 * output.h (output_section_symbols): Declare.
5554 (object_block): Name structure.
5555 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5556 (default_use_anchors_for_symbol_p): Declare.
5557 * Makefile.in (RTL_BASE_H): Add vec.h.
5558 (explow.o): Depend on output.h.
5559 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5560 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5561 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5562 (rs6000_use_blocks_for_constant_p): New function.
5564 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5566 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5568 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5571 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5574 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5576 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5580 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5583 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5584 instead of DECL_REGISTER.
5586 2006-02-18 Olivier Hainque <hainque@adacore.com>
5589 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5591 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5594 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5595 * opth-gen.awk: Handle Var and InverseMask together.
5596 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5597 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5598 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5599 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5601 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5602 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5603 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5604 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5605 LINUX_DYNAMIC_LINKER): Define.
5606 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5607 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5609 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5610 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5611 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5612 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5613 (TARGET_C99_FUNCTIONS): Don't define.
5614 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5615 GLIBC_DYNAMIC_LINKER.
5616 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5617 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5618 GLIBC_DYNAMIC_LINKER64): Define.
5619 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5620 LINUX_DYNAMIC_LINKER64.
5621 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5622 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5623 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5624 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5625 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5626 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5627 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5628 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5629 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5631 and LINUX_DYNAMIC_LINKER32.
5632 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5633 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5634 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5635 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5636 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5638 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5639 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5640 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5641 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5642 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5643 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5644 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5645 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5646 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5647 LINUX_DYNAMIC_LINKER): Define.
5648 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5649 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5650 GLIBC_DYNAMIC_LINKER64): Define.
5651 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5652 LINUX_DYNAMIC_LINKER64.
5653 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5654 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5655 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5656 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5657 LINUX_DYNAMIC_LINKER): Define.
5658 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5659 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5660 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5661 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5662 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5663 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5664 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5665 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5666 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5667 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5668 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5669 * doc/invoke.texi (-muclibc): Remove caveat about supported
5672 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5674 * doc/cpp.texi (__TIMESTAMP__): Document.
5676 2006-02-17 Roger Sayle <roger@eyesopen.com>
5679 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5680 C is one less than the width of X (and related transformations).
5681 * simplify-rtx.c (simplify_unary_operation_1): Transform
5682 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5683 depending on STORE_FLAG_VALUE, were C is one less then the
5686 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5688 Fix PR tree-optimization/26341
5689 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5690 about NAME_MEMORY_TAG's.
5692 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5695 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5696 with hardware float support, and software float support. Add fcpy
5697 alternative to hardware patterns. Add alternatives to copy between
5698 general and floating-point registers to the 32-bit pattern.
5699 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5700 secondary reload to load a QI or HI mode constant into a floating
5702 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5703 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5705 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5708 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5710 (load_macho_picbase_di): Likewise.
5712 2006-02-16 Jeff Law <law@redhat.com>
5714 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5715 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5716 (ssa_name_nonzero_p): Likewise.
5717 (get_value_range): Return NULL if VRP is not running.
5718 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5719 VRP routines do not discover a range.
5720 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5721 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5722 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5723 (tree_expr_nonnegative_p): Similarly.
5724 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5725 (restore_nonzero_vars_to_original_value): Remove.
5726 (unsafe_associative_fp_binop): Remove.
5727 (tree_ssa_dominator_optimize): Remove initialization and
5728 finalization of nonzero_vars and nonzero_vars_stack.
5729 (dom_opt_initialize_block): No longer push marker on
5731 (dom_opt_finalize_block): No longer call
5732 restore_nonzero_vars_to_original_value.
5733 (record_equivalences_from_phis): No longer look for
5734 nonzero PHI arguments.
5735 (cprop_into_successor_phis): No longer propagate nonzero
5736 property into PHI arguments. Lose unused argument. Caller
5738 (record_equivalences_from_stmt): No longer record nonzero
5739 values for SSA_NAMEs.
5740 (lookup_avail_expr): No longer use nonzero_vars.
5742 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5743 for sizetype when sizetype is unsigned.
5745 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5747 PR rtl-optimization/25603
5748 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5749 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5750 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5751 with new meaning of SETS.
5753 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5758 * config/linux.opt: New file.
5759 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5760 LINUX_DYNAMIC_LINKER): Define.
5761 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5762 * config.gcc (*-*-linux*): Define extra_options.
5763 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5764 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5765 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5766 GLIBC_DYNAMIC_LINKER.
5767 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5768 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5769 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5770 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5771 * doc/invoke.texi (GNU/Linux Options): New section.
5773 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5775 * config/sparc/sparc.md (setjmp): Rewrite.
5776 (setjmp_32): Delete.
5777 (setjmp_64): Likewise.
5779 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5781 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5784 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5786 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5789 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5791 PR rtl-optimization/26296
5792 * Makefile.in (loop-invariant.c): Add except.h dependency.
5793 * loop-invariant.c: Include except.h.
5794 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5796 2005-02-16 Paul Brook <paul@codesourcery.com>
5798 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5801 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5803 PR rtl-optimization/25636
5804 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5805 when deciding whether an insn is an initializing insn.
5807 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5809 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5810 (tree_code_size): Ditto.
5811 * tree.h (struct tree_memory_tag): Remove parent_var.
5812 (struct tree_struct_field_tag): New.
5815 (union tree_node): Add sft member.
5816 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5818 (create_sft): Add size and offset argument, set SFT_OFFSET and
5820 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5821 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5822 * tree-flow-inline.h (get_subvar_at): Update for
5823 SFT_OFFSET/SFT_SIZE.
5824 (var_can_have_subvars): Ditto.
5825 (overlap_subvar): Ditto.
5826 * print-tree.c (print_node): Print out interesting things for
5828 * tree-flow.h (struct subvar): Remove offset and size members.
5829 * tree-ssa-operands.c (get_expr_operands): Update for
5830 get_indirect_ref_operands changes.
5831 (get_indirect_ref_operands): Call add_virtual_operand instead of
5832 add_stmt_operand. Only recurse on base var if requested.
5833 (access_can_touch_variable): New function.
5834 (add_stmt_operand): Split virtual operand handling into ...
5835 (add_virtual_operand): Here. Add offset, size, and for_clobber
5836 arguments. Prune alias sets.
5837 (add_call_clobber_ops): Call add_virtual_operand.
5839 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5842 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5844 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5845 than TREE_CODE as index into omp_clause_num_ops array.
5847 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5849 PR rtl-optimization/26184
5850 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5852 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5853 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5854 must_precede, must_follow and tobe_scheduled.
5857 * opts.c (common_handle_option): Free new_option pointer.
5858 * df-core.c (df_analyze): Free postorder pointer.
5860 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5862 * Makefile.in: Fix the examples about the use of stamps
5864 2006-02-15 Michael Matz <matz@suse.de>
5868 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5869 influenced by maximum_field_alignment or DECL_PACKED.
5870 (update_alignment_for_field): Ditto.
5871 (place_field): Ditto.
5872 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5875 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5877 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5878 (debug_flow_info): Pass it.
5879 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5880 * bb-reorder.c (reorder_basic_blocks): Likewise.
5881 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5882 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5883 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5884 * gcse.c (gcse_main, bypass_jumps): Likewise.
5885 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5886 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5887 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5888 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5889 * rtl.h (dump_flow_info): Adjust prototype.
5890 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5891 * var-tracking.c (variable_tracking_main): Likewise.
5892 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5893 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5896 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5898 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5901 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5903 PR tree-optimization/26209
5904 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5905 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5907 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5909 2006-02-14 Roger Sayle <roger@eyesopen.com>
5912 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5913 (X,Y) and the corresponding symmetry related transformations.
5914 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5915 (X,Y) and its symmetry related transformations.
5917 2006-02-14 Roger Sayle <roger@eyesopen.com>
5919 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5922 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5924 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5926 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5929 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5930 support COMDAT group.
5931 * configure: Regenerate.
5933 2006-02-14 Roger Sayle <roger@eyesopen.com>
5938 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5940 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5942 Fix PR tree-optimization/26260
5944 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5946 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5947 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5948 * tree-ssa-structalias.c (create_variable_info_for): Use
5949 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5951 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5953 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5955 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5956 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5957 of the ending condition.
5958 * tree-ssa-loop-manip.c: Include params.h.
5959 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5960 tree_unroll_loop): New functions.
5961 * tree-pass.h (pass_loop_prefetch): Declare.
5962 * loop.c (rest_of_handle_loop_optimize): Test for
5963 -fprefetch-loop-arrays-rtl.
5964 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5965 * timevar.def (TV_TREE_PREFETCH): New timevar.
5966 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5967 pass_loop_prefetch): New.
5968 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5969 (cleanup_tree_cfg_loop): Call scev_reset.
5970 * common.opt (fprefetch-loop-arrays-rtl): Add.
5971 * tree-ssa-loop-prefetch.c: New file.
5972 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5973 (new_temp_expr_table): Initialize expr_vars.
5974 (free_temp_expr_table): Cleanup expr_vars.
5975 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5976 expressions from being merged into one.
5977 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5978 (struct tree_niter_desc): Add control, bound and cmp fields.
5979 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5981 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5982 (tree-cfgcleanup.o): Add SCEV_H dependency.
5983 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5984 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5986 2006-02-14 Richard Guenther <rguenther@suse.de>
5988 PR tree-optimization/26258
5989 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5990 in PHI argument processing.
5992 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5994 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5995 new expression in the requested machine mode.
5997 2006-02-13 Roger Sayle <roger@eyesopen.com>
5999 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6000 directly, instead let do_compare_rtx_and_jump handle this for us.
6001 * expr.c (expand_expr_real_1): Likewise.
6002 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6003 before do_jump_by_parts_greater.
6004 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6005 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6007 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6009 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6011 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6013 PR rtl-optimization/26235
6014 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6015 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6018 2006-02-13 Jeff Law <law@redhat.com>
6020 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6023 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6026 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6027 twice if decl is a builtin. When trying again, call get_callee_fndecl
6028 first to verify it is still a builtin.
6030 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6032 * dwarf2out.c (base_type_die): Don't add AT_name here.
6033 (subrange_type_die): Don't add AT_name here.
6034 (modified_type_die): Rearrange code flow. Do add AT_name here.
6036 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6038 PR rtl-optimization/26247
6039 PR rtl-optimization/26248
6040 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6042 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6044 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6045 * config/fixtfdi.c: Likewise.
6046 * config/fixunstfdi.c: Likewise.
6047 * config/floatditf.c: Likewise.
6049 2006-02-13 Roger Sayle <roger@eyesopen.com>
6052 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6053 into (X,C2) if C1 is a subset of the bits of C2. Transform
6054 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6056 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6058 2006-02-13 Josh Conner <jconner@apple.com>
6061 * varasm.c (function_section): Check for section name before
6062 calling select_section on targets that define
6063 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6064 unlikely_text_section instead of hot_function_section if
6065 first_function_block_is_cold.
6067 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6070 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6072 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6074 PR rtl-optimization/26222
6075 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6076 after tree->rtl expansion.
6077 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6078 before passing it to emit_move_insn.
6080 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6082 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6084 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6085 Clarify documentation.
6086 * c-common.h (warn_write_strings): Remove.
6087 * c-common.c (warn_write_strings): Likewise.
6088 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6091 2006-02-12 Roger Sayle <roger@eyesopen.com>
6094 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6095 (do_jump_parts_zero_rtx): New function renamed from
6096 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6097 (do_jump_parts_equality_rtx): New function split out from
6098 do_jump_parts_equality. Old implementation renamed as above.
6099 Call do_jump_parts_zero_rtx if either operand is zero.
6100 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6101 do all of the heavy lifting.
6102 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6103 calling either do_jump_by_parts_greater_rtx or
6104 do_jump_by_parts_equality_rtx.
6105 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6106 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6107 moved to do_compare_rtx_and_jump, call it directly.
6108 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6109 mode argument. Call do_compare_rtx_and_jump.
6110 (emit_case_nodes): Update calls to do_jump_if_equal.
6112 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6114 PR rtl-optimization/26225
6115 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6117 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6119 PR rtl-optimization/26232
6120 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6122 2006-02-11 Jason Merrill <jason@redhat.com>
6125 * tree-inline.c (declare_return_variable): Just don't use the
6126 modify target if it's a gimple complex reg and the return slot
6129 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6131 * doc/contrib.texi: Update my entry.
6133 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6135 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6137 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6139 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6142 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6144 * doc/invoke.texi (-floop-optimize2): Removed.
6145 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6146 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6147 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6148 * common.opt (floop-optimize2): Removed.
6149 (fmove-loop-invariants): Enabled by default.
6151 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6153 * tree-if-conv.c (combine_blocks): Free the result of
6154 get_loop_exit_edges.
6156 2006-02-10 Jeff Law <law@redhat.com>
6158 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6160 PR tree-optimization/26213
6161 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6162 loop trying to follow SSA_NAME_VALUE chains.
6164 2006-02-10 Richard Guenther <rguenther@suse.de>
6166 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6167 deal with structures that end in implicitly variable sized arrays.
6169 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6171 PR rtl-optimization/24762
6172 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6175 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6177 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6178 (struct ivopts_data): Add regs_used field.
6179 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6180 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6181 instead of loop_data->regs_used;
6182 (free_loop_data): Do not free aux fields for loops.
6183 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6184 and tree_ssa_iv_optimize_finalize.
6186 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6188 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6190 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6193 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6194 computing the effective result type.
6196 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6199 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6200 (tree_overlaps_hard_reg_set): Declare.
6201 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6202 type and signature to match function type expected by walk_tree.
6203 (tree_overlaps_hard_reg_set): New function.
6204 (decl_conflicts_with_clobbers_p): Rename to:
6205 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6206 Use tree_overlaps_hard_reg_set. Changed caller.
6207 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6208 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6209 * cris.c (cris_md_asm_clobbers): Likewise.
6211 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6213 * reload1.c (emit_input_reload_insns): Delete code that tries to
6214 inherit using find_equiv_reg.
6216 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6218 * c-common.h (flag_const_strings): Don't declare.
6219 * c-common.c (flag_const_strings): Remove.
6220 * c.opt (fconst_strings): Remove.
6221 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6222 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6223 (c_common_init_options): Don't set flag_const_strings.
6224 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6226 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6228 * arm.md (tlobits_cbranch): New pattern.
6229 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6230 testing a single bit.
6232 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6235 * tree-ssa-pre.c (create_component_ref_by_pieces):
6236 Handle RETURN_DECL like VAR_DECL.
6238 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6241 * fold-const.c (fold_indirect_ref_1): Fold
6242 "*(foo *)&complexfoo" to "__real__ complexfoo"
6243 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6245 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6247 * tree-flow-inline.h (var_can_have_subvars):
6248 Volatile variables should not have subvariables.
6250 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6253 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6254 multiplying unsigned values.
6257 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6259 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6261 2006-02-08 Jason Merrill <jason@redhat.com>
6264 * tree.def: Elaborate on difference from MODIFY_EXPR.
6265 * doc/c-tree.texi (INIT_EXPR): Likewise.
6266 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6267 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6268 (gimplify_target_expr): Likewise.
6269 (gimplify_cond_expr): Remove target handling.
6270 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6271 (gimplify_expr): Clobber it here.
6272 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6273 Do return slot optimization if we have an INIT_EXPR.
6276 * tree-inline.c (declare_return_variable): Also clear
6277 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6280 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6283 * gimplify.c (gimplify_one_sizepos): Fix typo.
6285 2006-02-08 Jeff Law <law@redhat.com>
6287 PR tree-optimization/21417
6288 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6289 across a backedge if the control statement at the end of the
6290 block is data dependent on other statements in the same block.
6291 (record_temporary_equivalences_from_stmts): Remove over-conservative
6292 test for threading across backedges.
6294 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6295 control statement, handle all three special cases in the same
6296 manner as they all have the same desired solution. No longer
6297 special case edge flag updating when the post dominator is
6300 2006-02-08 Roger Sayle <roger@eyesopen.com>
6302 * tree.def (CHAR_TYPE): Remove.
6303 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6304 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6305 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6306 (gen_string_type_die): Delete unreachable function.
6308 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6309 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6310 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6311 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6312 * builtins.c (type_to_class): Likewise.
6313 * fold-const.c (fold_convert, build_range_check,
6314 merge_ranges): Likewise.
6315 * expr.c (count_type_elements): Likewise.
6316 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6317 * stor-layout.c (layout_type): Likewise.
6318 * ipa-type-escape.c (type_to_consider): Likewise.
6319 * gimplify.c (omp_firstprivatize_type_sizes,
6320 gimplify_type_sizes): Likewise.
6321 * explow.c (promote_mode): Likewise.
6322 * tree-sra.c (is_sra_scalar_type): Likewise.
6323 * varasm.c (output_constant): Likewise.
6324 * tree-inline.c (remap_type_1): Likewise.
6325 * convert.c (convert_to_pointer, convert_to_real,
6326 convert_to_integer, convert_to_complex): Likewise.
6328 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6330 * df-scan.c (df_def_record_1): A set destination may
6331 be a parallel regardless of mode.
6333 2006-02-08 Roger Sayle <roger@eyesopen.com>
6336 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6337 * config/mips/_tilib.c: Remove.
6338 * config/fixtfdi.c: New libgcc source file.
6339 * config/fixunstfdi.c: New source file.
6340 * config/floatditf.c: New source file.
6341 * config/floatunditf.c: New souce file.
6342 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6343 files above instead of config/mips/_tilib.c.
6344 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6346 2006-02-08 Jeff Law <law@redhat.com>
6348 PR tree-optimization/26169
6349 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6352 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6354 * df.h (DF_REG_SIZE): Return the length of the initialized
6357 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6359 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6360 __muldf3): Return a correctly signed zero.
6362 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6364 * passes.c (register_one_dump_file): Accept the current properties
6365 instead of pass number. Adjust call to dump_register. Remove
6367 (register_dump_files): Now a wrapper around...
6368 (register_dump_files_1): ... this one. Do not modify the pass
6370 (next_pass_1): Cosmetic fix.
6371 (execute_todo): Keep second parameter only. Use curr_properties
6372 instead of fetching it from the pass structure. Check and set
6374 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6375 instead of fetching it from the pass structure. Fix calls to
6376 execute_todo. Update curr_properties and initialize .vcg RTL dump
6377 after running the pass. Reset last_verified.
6378 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6380 (FIRST_AUTO_NUMBERED_DUMP): New.
6381 (dump_register): Remove "num" parameter, assign it within the
6383 (get_dump_file_name): Modify template for dumps.
6384 * tree-dump.h (dump_register): Adjust prototype.
6385 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6386 (PROP_trees): Add PROP_gimple_lomp.
6387 (TODO_set_props): New.
6388 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6389 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6390 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6392 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6394 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6395 (sparc64-*-linux*): Likewise.
6396 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6397 * config/sparc/t-linux: New file.
6398 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6399 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6400 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6401 -m32 -mlong-double-128.
6403 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6404 * config/alpha/t-linux: New file.
6405 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6407 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6408 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6409 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6410 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6411 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6412 (CPP_ARCH32_SPEC): Remove.
6414 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6416 PR tree-optimization/26145
6417 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6420 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6423 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6424 >= 240000 when generating code for SOM runtime.
6425 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6426 to $$dyncall when generating code for SOM runtime..
6428 2006-02-07 Dirk Mueller <dmueller@suse.com>
6431 * doc/invoke.texi (-Wsequence-point): Update documentation
6432 that -Wsequence-point is implemented for C++ as well.
6434 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6436 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6437 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6438 (LIB_SPEC): Likewise.
6439 * doc/invoke.texi (SPARC options): Document -pthread.
6441 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6443 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6446 2006-02-07 Roger Sayle <roger@eyesopen.com>
6448 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6449 Correct comment describing BOOLEAN_TYPE.
6451 2006-02-07 Dirk Mueller <dmueller@suse.com>
6453 * c.opt: C++ frontend supports -Wdiv-by-zero.
6454 * c-opts.c (c_common_handle_option): Remove dead case.
6456 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6458 * configure.ac (TLS assembler check): Do not enable TLS by
6459 default on SPARC/Solaris before version 10.
6460 * configure: Regenerate.
6462 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6464 * doc/invoke.texi (xl-compat): Document conversion and support
6467 2006-02-07 Jeff Law <law@redhat.com>
6469 * tree-vrp.c (find_conditional_asserts): Update comments.
6470 (simplify_stmt_for_jump_threading): New.
6471 (identify_jump_threads, finalize_jump_threads): New.
6472 (vrp_finalize): Call identify_jump_threads.
6473 (execute_vrp): Call finalize_jump_threads.
6474 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6475 (vrp_element, vrp_data, vrp_element_p): Remove.
6476 (vrp_hash_elt, vrp_variables_stack): Remove.
6477 (vrp_hash, vrp_eq, record_range): Remove.
6478 (simplify_cond_and_lookup_avail_expr): Remove.
6479 (extract_range_from_cond): Remove.
6480 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6481 (simplify_stmt_for_jump_threading): New.
6482 (dom_thread_across_edge): New wrapper.
6483 (tree_ssa_dominator_optimize): No longer initialize or
6484 finalize any of the VRP datastructures. Remove iteration
6485 step and simplify as a result of removal of iteration step.
6486 (pass_dominator): Perform a cfg cleanup after DOM.
6487 (dom_opt_finalize_block): Use the new common routines
6488 for threading jumps. Simplify stack management slightly.
6489 No longer need to unwind VRP state.
6490 (record_equivalences_from_incoming_edge): No longer record
6492 (eliminate_redundant_computations): No longer call
6493 simplify_cond_and_lookup_avail_expr.
6494 * tree-flow.h (potentially_threadable_block): Prototype.
6495 (thread_across_edge): Likewise.
6496 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6497 (tree-ssa-threadedge.o): Add dependencies.
6498 * tree-ssa-threadedge.c: New file.
6499 * passes.c (init_optimization_passes): Merge PHIs before
6500 calling VRP. Run VRP again late in the SSA optimization pipeline.
6502 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6504 * df-core.c (df_set_blocks): Do not dereference function pointers.
6505 (df_finish1): Likewise.
6506 (df_hybrid_search_forward): Likewise.
6507 (df_hybrid_search_backward): Likewise.
6508 (df_iterative_dataflow): Likewise.
6509 (df_analyze_problem): Likewise.
6510 (df_compact_blocks): Likewise.
6511 (df_dump): Likewise.
6512 * df-scan.c (df_rescan_blocks): Likewise.
6513 (df_record_entry_block_defs): Likewise.
6515 * genconditions.c (write_conditions): Guard the definition of
6516 'insn_conditions' with the check on GCC version.
6517 (write_writer): Guard the traversal 'insn_conditions' with
6518 the check on GCC version.
6520 2006-02-07 Richard Guenther <rguenther@suse.de>
6524 2006-01-30 Richard Guenther <rguenther@suse.de>
6526 * gimplify.c (gimplify_target_expr): Handle easy cases
6527 without creating a temporary.
6529 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6531 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6532 use of float in probability computations. Use edge probabilities
6533 in place of statically computed probabilities.
6534 (min_spec_prob): New static variable.
6535 (schedule_insns): Initialize it.
6536 (GET_SRC_PROB): Removed.
6537 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6539 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6542 * config/ia64/unwind-ia64.c: Revert last change.
6543 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6544 (INCOMING_FRAME_SP_OFFSET): Define.
6546 2006-02-06 Roger Sayle <roger@eyesopen.com>
6548 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6550 2006-02-07 Ben Elliston <bje@au.ibm.com>
6552 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6553 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6554 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6555 (ix86_return_in_memory): Handle TDmode.
6556 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6557 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6559 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6561 * reorg.c (dbr_schedule): Use dump_file instead of file.
6563 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6566 * config/ia64/predicates.md (extr_len_operand): New predicate.
6567 * config/ia64/ia64.md (extv): Tighten constraints.
6569 (*tbit_and_2): Ditto.
6570 (*tbit_and_3): Ditto.
6571 (*tbit_or_2): Ditto.
6572 (*tbit_or_3): Ditto.
6576 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6579 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6581 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6583 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6584 loop_optimizer_init and loop_optimizer_finalize
6585 * tree-ssa-sink.c (execute_sink_code): Ditto.
6586 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6587 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6588 tree_ssa_loop_done): Ditto.
6589 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6590 * sched-ebb.c: Include output.h.
6591 (schedule_ebbs): Do not use dump argument.
6592 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6593 * loop.c (loop_dump_stream): Removed.
6594 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6596 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6597 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6598 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6599 loop_iterations, strength_reduce, record_biv, record_giv,
6600 final_giv_value, check_final_value, check_ext_dependent_givs,
6601 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6602 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6603 dump_file instead of loop_dump_stream.
6604 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6606 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6608 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6609 * haifa-sched.c: Include output.h
6610 (schedule_insns, sched_init): Do not use dump argument.
6611 * mode-switching.c (optimize_mode_switching): Ditto.
6612 * modulo-sched.c (stats_file): Removed.
6613 (print_node_sched_params): Do not call argument dump_file.
6614 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6615 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6617 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6619 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6620 rtl_loop_init, rtl_loop_done): Ditto.
6621 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6622 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6624 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6625 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6626 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6627 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6628 * emit-rtl.c (renumber_insns): Ditto.
6629 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6630 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6631 * regclass.c (regclass): Ditto.
6632 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6633 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6634 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6635 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6637 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6638 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6640 * gcse.c (gcse_file, debug_stderr): Removed.
6641 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6642 rest_of_handle_gcse): Do not use dump argument.
6643 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6644 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6645 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6646 compute_code_hoist_vbeinout, compute_code_hoist_data,
6647 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6648 compute_store_table, build_store_vectors, insert_insn_start_bb,
6649 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6650 store_motion): Use dump_file instead of gcse_file.
6651 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6652 * profile.c (profile_dump_file): Removed.
6653 (branch_prob): Use dump_file instead of profile_dump_file.
6654 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6656 * tree-ssa-copy.c (dump_copy_of): Ditto.
6657 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6658 dump file to life_analysis.
6659 * bt-load.c (branch_target_load_optimize): Ditto.
6660 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6662 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6663 regclass, dbr_schedule): Declaration changed.
6664 * sched-int.h (sched_init): Declaration changed.
6665 * tree-profile.c (tree_profile_dump_file): Removed.
6666 (tree_profile_hooks): Removed profile_dump_file hook.
6667 * rtl-profile (rtl_profile_dump_file): Removed.
6668 (rtl_profile_hooks): emoved profile_dump_file hook.
6669 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6671 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6672 * tree-cfg.c (build_tree_cfg): Ditto.
6673 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6674 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6675 Declaration changed.
6676 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6677 life_analysis and schedule_insns.
6678 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6680 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6682 * config/mips/mips.c (mips_reorg): Ditto.
6683 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6686 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6688 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6689 (s390_mangle_fundamental_type): New.
6690 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6693 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6694 (alpha_mangle_fundamental_type): New.
6695 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6698 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6700 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6702 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6703 (sparc_mangle_fundamental_type): New.
6705 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6707 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6708 (s390x-*-linux*): Likewise.
6709 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6710 * config/s390/t-linux: New file.
6712 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6714 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6715 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6717 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6719 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6720 (ANTIC_SAFE_LOADS): New macro.
6721 (find_or_generate_expression): Add prototype.
6722 (set_contains_value): Allow null set for sake of not always having
6723 to allocate ANTIC_SAFE_LOADS.
6724 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6725 Allow COMPONENT_REF too.
6726 (valid_in_set): Allow COMPONENT_REF.
6727 Check ANTIC_SAFE_LOADS too.
6728 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6729 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6731 (can_PRE_operation): Add COMPONENT_REF.
6732 (create_component_ref_by_pieces): New function.
6733 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6734 (insert_aux): Move AGGREGATE_TYPE_P check here.
6735 (compute_avail): Set bb local stmt uids.
6736 (pass_pre): Use TODO_update_ssa_only_virtuals.
6738 2006-02-06 Ben Elliston <bje@au.ibm.com>
6740 * configure.ac: Unconditionally disable decimal float by default.
6741 * configure: Regenerate.
6743 2006-02-06 Ben Elliston <bje@au.ibm.com>
6745 * read-rtl.c (read_name): Terminate reading on EOF.
6747 2006-02-06 Ben Elliston <bje@au.ibm.com>
6749 * dfp.c (decimal_real_arithmetic): Change second argument type
6750 from int to enum tree_code. Do not always return true, but now
6751 return result of any call to decimal_do helper functions.
6752 * dfp.h (decimal_real_arithmetic): Update prototype.
6754 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6756 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6758 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6761 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6764 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6766 * tree-vrp.c (cfg_loops): Removed.
6767 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6768 Use current_loops instead of cfg_loops. Pass flags to
6769 loop_optimizer_init.
6770 * cfgloopmanip.c (fix_loop_structure): Update only available
6772 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6773 loop_optimizer_init.
6774 * modulo-sched.c (build_loops_structure): Removed.
6775 (sms_schedule): Use loop_optimizer_init.
6776 * loop-init.c (loop_optimizer_init): Use flags to determine
6777 which properties of loops to prepare.
6778 (rtl_loop_init): Pass flags to loop_optimizer_init.
6779 * tree-ssa-sink.c (execute_sink_code): Ditto.
6780 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6781 * tree-ssa-pre.c (init_pre): Ditto.
6782 * cfgloop.h (LOOPS_NORMAL): New.
6783 (loop_optimizer_init): Declaration changed.
6785 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6787 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6788 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6790 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6792 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6794 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6795 * pa/t-pa64: Delete quadlib.c rule.
6796 * pa/x-ada: Revert last change.
6797 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6799 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6801 PR rtl-optimization/26087
6802 * rtlanal.c (canonicalize_condition): Do not cross basic block
6805 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6808 * config/ia64/ia64.c: Include debug.h.
6809 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6810 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6811 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6812 (process_epilogue, process_set, process_for_unwind_directive):
6813 Output unwind info only if requested. Add CFA info if requested.
6814 Add new arguments as needed. Adjust callers.
6815 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6817 (DWARF2_FRAME_INFO): Define to zero.
6818 * config/ia64/unwind-ia64.c: Remove code that compensated for
6819 the CFA offset error fixed above.
6820 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6821 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6822 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6823 -funwind-tables and -fexceptions to enable frame info.
6824 (dwarf2out_frame_init): Define initial CFA even if
6825 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6826 DWARF2_UNWIND_INFO is nonzero, not just defined.
6827 (dwarf2out_frame_finish): Output non-EH call frame info only
6828 if DWARF2_FRAME_INFO is nonzero.
6829 (convert_cfa_to_loc_list,
6830 compute_frame_pointer_to_cfa_displacement): Define even if
6831 unwind info is not supported.
6832 (gen_subprogram_die): Use the above unconditionally. Remove
6833 legacy alternate code.
6834 * toplev.c (compile_file): Compile in call to
6835 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6836 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6838 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6839 Jakub Jelinek <jakub@redhat.com>
6841 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6842 IBM extended float format long double as "g" on powerpc*-linux.
6844 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6847 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6848 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6850 2006-02-03 Jason Merrill <jason@redhat.com>
6853 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6856 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6857 on the return slot if it's an NRV.
6859 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6861 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6862 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6863 rewrite_use): Do not handle USE_OUTER.
6864 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6865 add_iv_outer_candidates, may_replace_final_value,
6866 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6867 (find_interesting_uses_op): Functionality of
6868 find_interesting_uses_outer_or_nonlin moved here.
6869 (find_interesting_uses_outside): Use find_interesting_uses_op.
6871 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6874 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6876 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6877 Ulrich Weigand <uweigand@de.ibm.com>
6880 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6881 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6882 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6883 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6885 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6886 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6887 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6888 Define secondary reloads for TFmode moves.
6889 (constant_modes): Add TFmode.
6890 (NR_C_MODES): Set to 8.
6891 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6893 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6894 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6895 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6896 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6897 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6898 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6899 (FPR mode macro): Add TFmode.
6900 (DSF mode macro): New.
6901 (<de>, <dee> mode attributes): Removed.
6902 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6903 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6904 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6905 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6906 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6907 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6908 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6909 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6910 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6911 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6912 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6913 "*negabs<mode>2", "sqrt<mode>2"):
6914 Changed <de> to <xde>. R constraint replaced by <Rf>.
6915 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6917 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6918 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6919 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6921 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6922 "extenddftf2", "extendsftf2"): New expanders.
6923 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6924 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6925 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6926 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6928 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6929 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6930 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6931 __floatditf): Add a GCC_4.1.0 symbol version tag.
6932 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6935 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6938 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6939 Use targetm.binds_local_p instead of TREE_PUBLIC.
6941 2006-02-02 Roger Sayle <roger@eyesopen.com>
6943 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6944 on INTEGER_TYPEs to indicate that it denotes a character type.
6945 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6946 signed_char_type_node, unsigned_char_type_node and char_type_node.
6947 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6948 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6949 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6951 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6952 Daniel Berlin <dberlin@dberlin.org>
6954 * tree-tailcall.c (arg_needs_copy_p): New function.
6955 (eliminate_tail_call): Use arg_needs_copy_p.
6956 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6957 (add_virtual_phis): New function.
6959 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6961 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6962 #ignore instead of #scratch for %g7 .register directive.
6964 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6966 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6969 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6971 * flow.c (calculate_global_regs_live): Assert that there aren't any
6974 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6976 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6978 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6979 bsi_after_labels iterator.
6980 * tree-if-conv.c (find_phi_replacement_condition,
6981 replace_phi_with_cond_modify_expr): Likewise.
6982 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6983 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6985 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6987 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6989 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6992 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6993 array after growing it.
6995 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6998 * fold-const.c (fold_checksum_tree): Change type of buf.
7000 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7002 * reload.c (push_secondary_reload): Initialize t_icode.
7004 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7006 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7007 -msoft-float -mlong-double-128 only issue a warning, but don't
7008 swich to DFmode long double.
7010 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7012 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7013 has a constant equivalent, iterate over equivalents for arg0,
7014 calling simplify_relational_operation and if there's a result
7015 cheaper than X, apply fold_rtx and return the result.
7017 2006-02-01 Jan Hubicka <jh@suse.cz>
7019 * opts.c (no_unit_at_a_time_default): New global variable.
7020 (decode_options): Use it.
7021 * opts.h (no_unit_at_a_time_default): Declare.
7023 2006-02-01 Paul Brook <paul@codesourcery.com>
7025 * function.c (assign_parm_setup_reg): Use function argument promotion
7027 * expr.c (expand_expr_real_1): Use function argument promotion rules
7030 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7032 * gcc.c (process_command): Change j to 'unsigned int'.
7034 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7037 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7038 Use the corrected index for the character
7039 out of the string constant.
7041 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7043 * mode-switching.c (optimize_mode_switching): Fix size
7044 allocated for bb_info[n_entities].
7046 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7048 * gcc.c (main): Correct type that is allocated for
7049 explicit_link_files.
7051 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7053 * config/s390/s390.c (init_alignment_context): Set
7054 ALIAS_SET_MEMORY_BARRIER on the MEM.
7055 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7057 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7060 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7062 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7065 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7067 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7068 * regrename.c: Ditto.
7069 * tree-ssa-loop-im.c: Ditto.
7070 * tree-dump.c: Ditto.
7071 * tree-complex.c: Ditto.
7072 * genrecog.c: Ditto.
7073 * tree-ssa-threadupdate.c: Ditto.
7075 * java/class.c: Ditto.
7076 * java/jcf-parse.c: Ditto.
7077 * java/resource.c: Ditto.
7078 * java/except.c: Ditto.
7079 * java/jvspec.c: Ditto.
7080 * java/jcf-write.c: Ditto.
7081 * java/jcf-path.c: Ditto.
7082 * java/gjavah.c: Ditto.
7083 * java/zextract.c: Ditto.
7084 * java/jcf-io.c: Ditto.
7085 * java/jcf.h: Ditto.
7086 * java/buffer.c: Ditto.
7087 * java/lang.c: Ditto.
7088 * java/parse-scan.y: Ditto.
7089 * java/lex.c: Ditto.
7090 * java/lex.h: Ditto.
7091 * cfgloopmanip.c: Ditto.
7092 * postreload-gcse.c: Ditto.
7093 * tree-ssa-loop-manip.c: Ditto.
7094 * postreload.c: Ditto.
7095 * tree-ssa-loop-ch.c: Ditto.
7099 * diagnostic.c: Ditto.
7101 * genoutput.c: Ditto.
7103 * cfghooks.c: Ditto.
7104 * cfgloopanal.c: Ditto.
7105 * objc/objc-act.c: Ditto.
7107 * genextract.c: Ditto.
7108 * genautomata.c: Ditto.
7109 * pretty-print.c: Ditto.
7111 * cgraphunit.c: Ditto.
7114 * haifa-sched.c: Ditto.
7115 * dominance.c: Ditto.
7117 * tree-ssa-loop-ivopts.c: Ditto.
7119 * mode-switching.c: Ditto.
7120 * modulo-sched.c: Ditto.
7122 * ipa-pure-const.c: Ditto.
7124 * fix-header.c: Ditto.
7126 * tree-stdarg.c: Ditto.
7127 * ipa-utils.c: Ditto.
7128 * loop-init.c: Ditto.
7129 * ipa-inline.c: Ditto.
7132 * alloc-pool.c: Ditto.
7133 * dwarf2out.c: Ditto.
7135 * genattrtab.c: Ditto.
7136 * tree-ssa-loop-ivcanon.c: Ditto.
7140 * fortran/gfortranspec.c: Ditto.
7142 * local-alloc.c: Ditto.
7143 * langhooks.c: Ditto.
7144 * function.c: Ditto.
7145 * tree-vectorizer.c: Ditto.
7147 * ipa-type-escape.c: Ditto.
7149 * tree-if-conv.c: Ditto.
7152 * tree-data-ref.c: Ditto.
7153 * loop-unroll.c: Ditto.
7154 * treelang/treetree.c: Ditto.
7157 * ggc-common.c: Ditto.
7159 * coverage.c: Ditto.
7161 * tree-cfgcleanup.c: Ditto.
7162 * tree-ssa-pre.c: Ditto.
7163 * cfgcleanup.c: Ditto.
7164 * loop-invariant.c: Ditto.
7166 * ipa-prop.c: Ditto.
7167 * print-tree.c: Ditto.
7168 * conflict.c: Ditto.
7169 * ggc-page.c: Ditto.
7170 * sched-deps.c: Ditto.
7171 * regclass.c: Ditto.
7172 * tree-object-size.c: Ditto.
7174 * bb-reorder.c: Ditto.
7175 * resource.c: Ditto.
7176 * var-tracking.c: Ditto.
7178 * df-problems.c: Ditto.
7179 * reg-stack.c: Ditto.
7182 * sched-rgn.c: Ditto.
7183 * tree-ssa-structalias.c: Ditto.
7184 * tree-ssa-reassoc.c: Ditto.
7185 * config/darwin-c.c: Ditto.
7186 * config/darwin.c: Ditto.
7187 * config/arm/arm.c: Ditto.
7189 * collect2.c: Ditto.
7192 2006-01-31 Nicolas Pitre <nico@cam.org>
7194 * arm.md (smaxsi3): Make aware of smax_m1.
7197 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7199 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7201 2006-01-31 Richard Guenther <rguenther@suse.de>
7203 * doc/invoke.texi (-msselibm): Document.
7204 * target.h (expand_library_builtin): New target hook.
7205 * builtins.c (expand_builtin): Use expand_library_builtin.
7206 (default_expand_library_builtin): New function.
7207 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7208 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7209 (link_gcc_math_spec): Declare.
7210 (static_specs): Add link_gcc_math_spec.
7211 * expr.h (default_expand_library_builtin): Declare.
7212 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7213 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7214 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7215 * config/i386/i386.opt (msselibm): New target option.
7216 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7217 (ix86_init_sse_abi_builtins): New function.
7218 (ix86_expand_library_builtin): Likewise.
7219 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7220 (override_options): Handle error conditions wrt -msselibm.
7221 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7222 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7223 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7226 2006-01-31 Richard Guenther <rguenther@suse.de>
7227 Paolo Bonzini <bonzini@gnu.org>
7229 * doc/install.texi (--disable-libgcc-math): Document.
7231 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7233 * expr.h (expand_normal): new inline function.
7234 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7236 * dwarf2out.c: use it.
7241 * config/sparc/sparc.c: use it.
7242 * config/i386/i386.c: use it.
7243 * config/rs6000/rs6000.c: use it.
7244 * config/arm/arm.c: use it.
7245 * config/mips/mips.c: use it.
7246 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7248 2006-01-30 Roger Sayle <roger@eyesopen.com>
7250 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7251 argv to the appropriate type.
7253 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7255 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7258 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7261 * config/s390/s390.c (struct machine_function): New flag
7262 decomposed_literal_pool_addresses_ok_p.
7263 (s390_reorg): Set it before final stage of literal pool transforms.
7264 (s390_decompose_address): Only accept displacements of the form
7265 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7267 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7269 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7270 the comparison routine return.
7272 2006-01-30 Michael Matz <matz@suse.de>
7274 * global.c (find_reg): Only evict for global regs.
7275 Take n_refs into account and dump more info.
7277 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7280 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7281 (pragma_trap, pragma_nosave_low_regs): Likewise.
7282 (current_function_anonymous_args): Likewise.
7283 (sh_deferred_function_attributes): New variable.
7284 (sh_deferred_function_attributes_tail): Likewise.
7285 (print_operand): For '@', look up trap_exit attribute.
7286 (calc_live_regs): Look up trapa_handler attribute. For trapa
7287 handlers, save/restore fpscr, but don't do any other
7288 interrupt-specific saves.
7289 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7290 Fix check for partially saved registers to check for SHmedia.
7291 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7292 (sh_output_function_epilogue): Don't clear any of the removed
7294 (sh_insert_attributes): Don't check pragma_interrupt.
7295 Insert deferred attributes. Check that interrupt attribute is
7296 present for other attributes that require its presence.
7297 (sh_attribute_table): Add new attributes trapa_handler and
7299 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7300 Don't check for pragma_interrupt. Don't store argument.
7301 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7302 (sh_deferred_function_attributes): Declare.
7303 (sh_deferred_function_attributes_tail): Likewise.
7304 * sh.md (sp_switch_1): Add operand. Change generator caller.
7305 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7306 (*return_i): Don't use when trap_exit attribute is in effect.
7307 (*return_trapa): New insn pattern.
7309 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7310 setting c_target_objs and cxx_target_objs.
7311 * t-sh: Add rule for sh-c.o.
7313 2006-01-30 Richard Guenther <rguenther@suse.de>
7316 * gimplify.c (gimplify_target_expr): Handle easy cases
7317 without creating a temporary.
7319 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7321 * vec.h (safe_grow): Remove duplicated line.
7323 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7326 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7327 (expand_omp): ... here.
7328 (expand_omp_parallel): Only remove barriers for combined
7329 parallel+workshare constructs.
7331 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7335 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7336 * tree.c (build_qualified_type): Chain the new type to the original
7337 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7338 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7339 (build_pointer_type_for_mode): Only return unqualified types.
7340 (build_reference_type_for_mode): Likewise.
7342 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7344 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7345 * Makefile.in (CXX_COMPAT_WARN): Define.
7346 * configure: Regenerate.
7348 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7351 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7354 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7356 * toplev.c: Fix thinko.
7358 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7359 Marcin Dalecki <martin@dalecki.de>
7361 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7362 (push_srcloc): Use XNEW.
7363 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7365 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7367 * df-core.c (df_set_blocks): Deleted all variable.
7369 2006-01-28 Ian Lance Taylor <ian@airs.com>
7371 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7372 cgraph_output_pending_asms.
7374 2006-01-28 Zack Weinberg <zackw@panix.com>
7376 * c.opt: Add -W(no-)overlength-strings.
7377 * doc/invoke.texi: Document it.
7378 * c-opts.c (c_common_handle_option): -pedantic implies
7379 -Woverlength-strings, if not explicitly disabled already.
7380 (c_common_post_options): -Woverlength-strings defaults to off, and
7381 is always off for C++.
7382 * c-common.c (fix_string_type): Issue warning about strings longer
7383 than is portable only if warn_overlength_strings. Rearrange code
7384 a little for clarity.
7385 * configure.in: Check for -Wno-overlength-strings as well before
7386 enabling -pedantic in stage 1.
7387 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7388 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7390 * genconditions.c (write_header, write_one_condition)
7391 (write_conditions, write_writer): Consolidate very long strings
7392 that were broken up to fit in C89 portable limit. Don't use
7393 printf when fputs will do.
7395 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7397 * combine.c (simplify_comparison <AND>): Check
7398 TRULY_NOOP_TRUNCATION before start using a subreg.
7400 * config/mips/mips.md (*branch_zero<mode>,
7401 *branch_zero<mode>_inverted, *branch_equality<mode>,
7402 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7403 Remove mode check from comparisons.
7405 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7407 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7409 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7411 * expmed.c (const_mult_add_overflow_p): Remove.
7412 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7414 * recog.c (validate_replace_rtx_subexp): Remove.
7415 * recog.h: Remove the prototype for
7416 validate_replace_rtx_subexp.
7418 * integrate.h: Remove the prototype for
7419 copy_decl_for_inlining.
7420 * rtl.h: Remove the prototype for mark_constant_function.
7421 * tree-vectorizer.h: Remove the prototype for
7422 vect_strip_conversion.
7424 * modulo-sched.c (create_partial_schedule,
7425 free_partial_schedule, reset_partial_schedule): Make them
7428 * hooks.c (hook_bool_rtx_int_false): Remove.
7429 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7431 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7433 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7434 and -mlong-double-128 are incompatible.
7435 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7436 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7437 (TARGET_LIBGCC2_CFLAGS): Define.
7438 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7439 (TARGET_LIBGCC2_CFLAGS): Same.
7440 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7442 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7445 * c-typeck.c (build_binary_op): Perform implicit casts of
7446 operands before shortening them.
7448 * cfgloopmanip.c (split_loop_bb): Remove.
7449 * cfgloop.h: Remove the prototype for split_loop_bb.
7451 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7452 * cfgloop.h: Remove the prototype for
7453 flow_loop_outside_edge_p.
7455 * emit-rtl.c (init_virtual_regs): Make it static.
7456 * function.h: Remove the prototype for init_virtual_regs.
7458 * recog.c (peephole2_optimize): Make it static.
7459 * recog.h: Remove the prototype for peephole2_optimize.
7461 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7463 * df-scan.c (df_record_entry_block_defs): Check if
7464 INCOMING_RETURN_ADDR_RTX is defined.
7466 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7467 Kenneth Zadeck <zadeck@naturalbridge.com>
7469 PR rtl-optimization/24762
7470 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7471 * targhooks.c (hook_void_bitmap): New hook prototype.
7472 * targhoohs.h (hook_void_bitmap): Ditto.
7473 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7474 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7475 * target.h (live_on_entry): New function pointer.
7476 * df-scan.c (df_all_hard_regs): Removed.
7477 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7478 (df_scan_free_internal): Added df->entry_block_defs.
7479 (df_scan_alloc): Ditto.
7480 (df_scan_dump): Ditto.
7481 (df_uses_record): Plumbed flag field properly thru calls.
7482 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7483 This part fixes PR24762.
7484 (df_bb_refs_record): Added code to make the frame and arg
7485 pointers live in EH blocks.
7486 (df_refs_record): Added call to df_record_entry_block_defs.
7487 (df_record_entry_block_defs): New function.
7488 * df-core.c: Added comments to describe new artifical defs.
7489 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7490 (entry_block_defs): New field in struct df.
7491 (df_all_hard_regs): Deleted.
7492 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7493 * df-problems.c (df_ru_bb_local_compute_process_def):
7494 Added code to handle artifical defs in the entry to a function.
7495 (df_ru_bb_local_compute): Ditto.
7496 (df_rd_bb_local_compute_process_def): Ditto.
7497 (df_rd_bb_local_compute): Ditto.
7498 (df_lr_bb_local_compute): Ditto.
7499 (df_ur_bb_local_compute): Ditto.
7500 (df_urec_bb_local_compute): Ditto.
7501 (df_chain_create_bb): Ditto.
7502 (df_ur_local_finalize): Removed entry.
7503 (df_urec_init): Ditto.
7504 (df_urec_local_finalize): Ditto.
7505 (df_ri_bb_compute): Added detection of last use of pseudos.
7506 * Makefile.in (df-scan.o): Updated dependencies.
7507 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7508 * config/mips/mips.c (mips_set_live_on_entry): Added.
7509 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7511 * dce.c (marked_insn_p): Added code to handle artifical defs.
7513 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7515 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7517 (_mm_cvtsi128_si64): Likewise.
7518 (_mm_cvtsd_si64): Likewise.
7519 (_mm_cvttsd_si64): Likewise.
7520 (_mm_cvtsi64_sd): Likewise.
7521 (_mm_cvtsi64_si128): Likewise.
7522 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7523 (_mm_cvtsi64_m64): Likewise.
7524 (_m_to_int64): Likewise.
7525 (_mm_cvtm64_si64): Likewise.
7526 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7527 (_mm_cvttss_si64): Likewise.
7528 (_mm_cvtsi64_ss): Likewise.
7529 (_mm_cvtss_f32): Likewise.
7531 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7533 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7534 for pragma redefine_extname.
7536 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7539 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7540 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7541 -mno-minimal-toc to previous content.
7542 (bispecs): Remove goal.
7543 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7544 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7545 compatibility aliases on powerpc-*-*gnu*.
7546 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7547 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7548 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7549 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7550 (ldblspecs): New goal.
7551 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7552 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7554 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7555 L_sf_to_tf or L_df_to_tf is defined.
7557 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7558 Alan Modra <amodra@bigpond.net.au>
7561 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7562 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7563 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7564 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7565 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7566 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7567 (rs6000_override_options): Initialize rs6000_ieeequad.
7568 Initialize TFmode format to ibm_extended_format if not
7570 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7572 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7573 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7574 (function_arg_advance): IBM long double passed in two FPRs, not
7576 (function_arg): IBM long double passed in FPRs.
7577 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7578 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7579 Only multireg GPR aligned.
7580 (rs6000_init_libfuncs): Enable IBM long double functions if not
7582 (rs6000_generate_compare): Use IBM long double compare if not
7584 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7585 (TARGET_IEEEQUAD): Define.
7586 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7587 not TARGET_IEEEQUAD.
7588 * config/rs6000/rs6000.md: Enable TFmode patterns if
7590 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7591 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7592 and -mlong-double-128 are incompatible.
7593 * doc/invoke.texi (-mabi): Collect options together. Add
7594 ibmlongdouble and ieeelongdouble.
7596 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7598 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7600 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7601 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7602 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7603 * rtl.h (rtunion_def): Remove rt_ptr.
7605 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7606 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7607 * config/i386/winnt.c (i386_pe_mark_dllexport)
7608 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7610 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7612 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7614 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7618 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7619 pthread_key_delete. From John David Anglin. gthrw-ify
7620 pthread_getunique_np only if it it's not a macro. Delete
7622 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7623 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7624 __gthread_objc_condition_signal, __gthread_key_delete): Add
7625 "__attribute__ ((__unused__))" to unused arguments.
7626 (__gthread_recursive_mutex_init_function): Add missing return.
7627 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7628 gthr-posix95.h: Use macro-based approach for name redirection
7629 on targets missing weakref.
7631 2006-01-26 Zack Weinberg <zackw@panix.com>
7633 * genconditions.c (write_header): In generated code, #ifdef out
7634 all includes and fake declarations, except includes of bconfig.h
7635 and system.h, unless GCC_VERSION >= 3001. Do not include
7636 gensupport.h in any case.
7637 (write_conditions): Generate a definition of struct c_test. Add
7638 a comment to the generated #endif.
7639 (write_one_condition): Escape backslashes in string too.
7640 (write_writer): Generated code must escape backslashes and quote
7641 marks (but not newlines) in the strings it writes.
7642 * Makefile.in (build/gencondmd.o): Update dependencies.
7644 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7647 * Makefile.in (insn-automata.o): Add header file dependencies.
7648 * genautomata.c: Add includes.
7650 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7653 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7655 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7657 * configure.ac: Expect target tools paths to be passed from the toplevel
7658 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7660 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7662 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7665 * c.opt (Wpointer-sign): Init to -1.
7666 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7667 OPT_pedantic, to 0 otherwise.
7668 * doc/invoke.texi: Update.
7670 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7672 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7673 constants provided by 80387 instructions in the destination mode.
7675 2006-01-26 Richard Guenther <rguenther@suse.de>
7676 Andrew Pinski <pinskia@physics.uc.edu>
7679 partial PR tree-opt/17064
7680 * tree-ssa-structalias.c (intra_create_variable_infos):
7681 Create heap variables for incoming parameters if
7682 flag_argument_noalias > 1.
7683 (find_what_p_points_to): Look through default defs of
7686 2006-01-26 Jeff Law <law@redhat.com>
7689 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7690 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7691 within the VR_RANGE, use the VR_RANGE as the result, not the
7693 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7694 bounds for the type.
7696 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7698 * tree-ssa-alias.c (maybe_create_global_var): Change
7699 subvar walking to an assertion that we don't have subvar'd variables.
7701 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7704 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7705 Use a new variable, inner. PARM_DECLs are always non-weak.
7707 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7709 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7712 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7714 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7716 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7718 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7719 (smax_insn, smin_insn, smax_0, smin_0): New.
7721 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7724 * config/cris/cris.c (cris_order_for_addsi3): New function.
7725 * config/cris/cris-protos.h: Prototype it.
7726 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7727 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7728 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7729 (split for "op.S1 [rx=rx+i],ry (swapped)")
7730 (split for "op(s|u).S1 [rx=rx+i],ry")
7731 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7732 Apply cris_order_for_addsi3 when generating addsi3 insns.
7734 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7736 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7737 (TREE_BLOCK): Add call to EXPR_CHECK.
7739 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7742 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7743 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7744 (dump_omp_clauses): ... here.
7745 (dump_generic_node): Handle OMP_CLAUSE.
7746 * tree.c (omp_clause_num_ops): New.
7747 (omp_clause_code_name): New.
7748 (tree_code_size): Handle OMP_CLAUSE.
7749 (tree_size): Likewise.
7750 (make_node): Document handling of OMP_CLAUSE.
7751 (tree_node_structure): Handle OMP_CLAUSE.
7752 (omp_clause_check_failed): New.
7753 (omp_clause_range_check_failed): New.
7754 (omp_clause_operand_check_failed): New.
7755 (build_omp_clause): New.
7756 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7757 * tree.h (enum omp_clause_code): Declare.
7758 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7759 (OMP_CLAUSE_RANGE_CHECK): Define.
7760 (OMP_CLAUSE_ELT_CHECK): Define.
7761 (omp_clause_check_failed): Declare.
7762 (omp_clause_operand_check_failed): Declare.
7763 (omp_clause_range_check_failed): Declare.
7764 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7765 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7766 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7767 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7768 (OMP_CLAUSE_IF_EXPR): Likewise.
7769 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7770 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7771 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7772 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7773 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7774 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7775 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7776 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7777 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7778 (OMP_CLAUSE_CODE): Define.
7779 (OMP_CLAUSE_SET_CODE): Define.
7780 (OMP_CLAUSE_CODE): Define.
7781 (OMP_CLAUSE_OPERAND): Define.
7782 (struct tree_omp_clause): Declare.
7783 (union tree_node): Add field 'omp_clause'.
7784 * treestruct.def (TS_OMP_CLAUSE): Define.
7785 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7786 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7787 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7788 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7789 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7790 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7791 (OMP_CLAUSE): Define.
7792 * print-tree.c (print_node): Handle OMP_CLAUSE.
7793 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7794 * c-typeck.c: Likewise.
7795 * gimplify.c: Likewise.
7796 * c-omp.c: Likewise.
7797 * tree-nested.c: Likewise.
7798 * tree-inline.c: Likewise.
7799 * c-parser.c: Likewise.
7800 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7803 2006-01-25 Roger Sayle <roger@eyesopen.com>
7805 PR rtl-optimization/25703
7806 * combine.c (try_combine): Handle zero_extract and strict_low_part
7807 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7809 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7811 * global.c: Fix comment typos.
7813 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7816 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7817 Use output_addr_const instead of assemble_name.
7819 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7821 * Makefile.in (sched-vis.o): Update dependencies.
7822 * haifa-sched.c (sched_finish): Clear current_sched_info.
7823 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7824 (dump_flow_info): Call it.
7825 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7827 * basic-block.h (dump_bb_info): Declare.
7828 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7829 option, and apply options only for dump files whose TDF_RTL,
7830 TDF_TREE, or TDF_IPA bits match.
7831 * rtl.h: Declare new functions exported from sched-vis.c.
7832 * sched-vis.c: Enable also if scheduling is not used.
7833 (print_value): Print the mode of registers if not inside scheduling.
7834 (print_insn): Make it work outside the scheduler. Beautify the output
7836 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7838 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7840 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7841 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7842 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7843 depending on the value of CONSTANT_POOL_ADDRESS_P.
7844 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7846 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7847 rather than SYMBOL_REF_DECL.
7848 (rtx_constant_pool): Remove const_rtx_sym_htab.
7849 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7850 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7851 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7852 Remove handling of const_rtx_sym_htab.
7853 (find_pool_constant): Delete.
7854 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7855 rather than find_pool_constant.
7856 (get_pool_constant_for_function): Delete.
7857 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7859 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7860 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7861 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7862 (SYMBOL_REF_CONSTANT): New macro.
7863 (get_pool_constant_for_function): Delete.
7864 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7865 rather than SYMBOL_REF_DECL.
7866 (i386_pe_mark_dllimport): Likewise.
7867 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7868 rather than SYMBOL_REF_DECL.
7869 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7870 (machopic_indirect_call_target): Likewise.
7872 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7874 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7876 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7878 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7880 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7882 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7884 2006-01-24 David Daney <ddaney@avtrex.com>
7887 * configure.ac (enable_tls): New enable option.
7888 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7889 * configure: Regenerate.
7890 * doc/install.texi (--enable-tls): Document new option.
7891 (--disable-tls): Ditto.
7893 2006-01-24 Richard Henderson <rth@redehat.com>
7895 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7896 * alias.c (true_dependence): Respect it.
7897 (canon_true_dependence, write_dependence_p): Likewise.
7898 * builtins.c (get_builtin_sync_mem): Set it.
7900 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7902 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7905 2006-01-24 DJ Delorie <dj@redhat.com>
7907 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7908 for storing constants in single-bit bitfields.
7910 2006-01-25 Ben Elliston <bje@au.ibm.com>
7912 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7914 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7917 * tree-ssa-pre.c (phi_translate): Return NULL
7918 for AGGREGATE_TYPE's.
7920 2006-01-24 Zack Weinberg <zackw@panix.com>
7922 * genautomata.c (process_state_for_insn_equiv_partition):
7923 Use xcalloc for insn_arcs_array.
7924 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7925 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7927 2006-01-24 Richard Henderson <rth@redhat.com>
7929 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7932 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7934 PR rtl-optimization/25890
7935 PR rtl-optimization/25905
7936 * combine.c (expand_compound_operation, expand_field_assignment):
7937 Fail if the bitfield's final position is out of bounds.
7939 2006-01-24 Ian Lance Taylor <ian@airs.com>
7942 * cgraphunit.c (cgraph_output_in_order): Don't clear
7943 cgraph_asm_nodes until after asm strings have been output.
7945 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7947 * fix-header.c (read_scan_file): Add new parameter imultilib when
7948 calling register_include_chains.
7950 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7952 * omp-low.c: Update documentation.
7954 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7955 Daniel Berlin <dberlin@dberlin.org>
7959 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7960 return from the function.
7962 2006-01-22 Zack Weinberg <zackw@panix.com>
7964 * rtl.def (match_code): Add second argument.
7965 * genpreds.c (write_extract_subexp): New function.
7966 (write_match_code): Add path argument. Use write_extract_subexp.
7967 (write_predicate_expr): Pass path to write_match_code.
7968 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7969 not perform a mode test.
7970 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7971 a subexpression does not constrain the top-level code set.
7972 * read-rtl.c (read_rtx_variadic): New function.
7973 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7974 * doc/md.texi: Document new notation.
7975 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7976 (cmpsi_operand): ... here, using new notation.
7978 2006-01-22 Zack Weinberg <zackw@panix.com>
7980 * varray.c: Remove GENERATOR_FILE #ifdefs.
7982 2006-01-22 Zack Weinberg <zackw@panix.com>
7984 * genautomata.c (output_reserved_units_table): Emit nothing if
7985 description->query_units_num is zero. Remove extra blank line.
7986 (output_cpu_unit_reservation_p): Short circuit
7987 if description->query_units_num is zero.
7989 2006-01-22 Zack Weinberg <zackw@panix.com>
7991 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7992 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7993 nor any of the random handful of variables that used to be necessary
7994 when this program was linked with rtlanal.o. Prune set of forward
7995 function declarations.
7996 (struct attr_desc): Remove static_p field.
7997 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7998 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7999 (attr_string): Do not read the character one past the length of
8001 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8002 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8003 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8004 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8005 (make_automaton_attrs): New.
8006 (main): Do not call into genautomata. Call local gen_bypass
8007 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8008 Remove special case for insn_alts.
8009 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8010 varray.h (leftover from previous change). Prune set of forward
8011 function declarations. Remove state_alts fields from all
8012 structures. Remove state_alts_table from struct automaton.
8013 Make everything except main static. Do not maintain num_dfa_decls.
8014 Do not maintain state_alts fields of various structures.
8015 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8016 (add_arc): Remove state_alts argument. All callers updated.
8017 (output_reserved_units_table): Emit #ifdef here...
8018 (output_tables): ...not here. Don't generate state_alts tables.
8019 (expand_automata): Don't generate attributes.
8020 (write_automata): Don't generate state_alts functions.
8021 (main): New function.
8022 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8023 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8024 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8025 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8026 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8027 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8028 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8029 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8031 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8032 * genattrtab.h: Delete file.
8033 * Makefile.in (OBJS-common): Add insn-automata.o.
8034 (insn-automata.o): New rule.
8035 (simple_generated_c): Add insn-automata.c.
8036 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8037 (genprogmd): Add automata.
8038 (build/genattrtab): Needs no extra objects nor libraries.
8039 (build/genautomata): Needs build/vec.o and -lm.
8041 2006-01-22 Zack Weinberg <zackw@panix.com>
8043 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8044 (output_dfa_max_issue_rate, locked_states_num): Delete.
8045 (struct automaton): Add locked_states field.
8046 (output_dead_lock_vect): Save number of locked states in
8047 automaton->locked_states. If it is zero, don't print anything.
8048 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8049 (output_internal_dead_lock_func): Only test the dead_lock_vect
8050 for automata that have locked states.
8051 (output_statistics): Always print the number of locked states for
8052 each automaton. Calculate total number of locked states here.
8053 (write_automata): Don't call output_dfa_max_issue_rate.
8054 * genattrtab.c: Define length_unit_log as a const variable.
8055 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8056 max_insn_queue_index const.
8057 * final.c (length_unit_log): Declare const.
8058 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8060 2006-01-22 Zack Weinberg <zackw@panix.com>
8062 * genautomata.c: Include vec.h, not varray.h.
8063 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8064 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8065 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8066 VEC_* macros operating on appropriately typed vectors, or to
8067 malloced arrays when the size is known in advance. Const-ify
8068 many char* variables and function arguments. No functional changes.
8069 * Makefile.in (build/varray.o): Delete rule.
8070 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8071 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8073 2006-01-22 Zack Weinberg <zackw@panix.com>
8075 * gensupport.c: Define get_insn_name and record_insn_name here.
8076 (read_md_rtx): Call record_insn_name as appropriate.
8077 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8078 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8079 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8081 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8082 (BUILD_VARRAY): Delete.
8083 (genprognormal): Rename genprogmd. Fold in all programs from
8084 genprognoprint; also attrtab.
8085 (build/genattrtab): Just mention genautomata.o and varray.o.
8086 Reorganize a bit, add comments to make the categories clearer.
8088 2006-01-22 Zack Weinberg <zackw@panix.com>
8090 * genconditions.c (condition_table, add_condition): Delete.
8091 (write_conditions): Don't emit n_insn_conditions nor
8092 insn_elision_unavailable. Issue the gcc version #ifdef here,
8093 inside the table, with no #else clause ...
8094 (write_header): ...not here.
8095 (write_writer): New function.
8096 (main): Don't initialize condition_table. Use add_c_test.
8098 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8099 files on the command line.
8100 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8101 Return -1 if there is no entry in the table, don't abort.
8102 (add_c_test, traverse_c_tests): New functions.
8103 * gensupport.h (insn_elision_unavailable, insn_conditions)
8104 (n_insn_conditions): Delete declarations.
8105 (add_c_test, traverse_c_tests): Declare.
8106 * read-rtl.c: Include gensupport.h.
8107 (read_conditions): New function.
8108 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8109 (read_rtx_1): If we get EOF when we were looking for an initial
8110 open paren, return 0. Call read_conditions when appropriate.
8111 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8112 dummy-conditions.o. Eliminate references to insn-conditions.o,
8113 or change them to build/gencondmd.o, as appropriate. Remove
8114 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8115 from $(simple_generated_c). For all files remaining in those
8116 two lists, add insn-conditions.md to the generator command line.
8117 Give insn-constants.h/s-constants their own rules. Add rules
8118 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8119 (build/read-rtl.o): Depend on gensupport.h.
8120 (genprognormal): Include preds.
8121 (genprogearly): Rename genprognoprint; only difference is now that
8122 they don't link with $(BUILD_PRINT).
8123 * dummy-conditions.c: Delete.
8125 2006-01-22 Zack Weinberg <zackw@panix.com>
8127 * genextract.c: Don't include insn-config.h. Do include vec.h.
8128 Declare vectors of int, char, and locstr.
8129 (locstr): New typedef.
8130 (struct extraction): Make all array fields into bare pointers.
8131 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8132 (insn_code_number): Delete.
8133 (accum_extract): New struct.
8134 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8135 (gen_insn): Take insn_code_number as an argument. Use an
8136 accum_extract structure instead of loading data directly into
8137 a struct extraction, and having to know how big it might get.
8138 (walk_rtx): Operate entirely on an accum_extract structure.
8139 (print_path): Avoid unnecessary use of printf.
8140 (print_header): New function, split out of main. Distinguish
8141 more carefully between an unrecognizable insn and an insn that
8142 has the code number of a define_expand.
8143 (main): Pass insn_code_number to gen_insn. Call print_header
8144 only after parsing. Avoid unnecessary use of printf.
8145 * Makefile.in (build/vec.o): New rule.
8146 (build/genextract): Depend on build/vec.o.
8147 (build/genextract.o): Don't depend on insn-config.h.
8149 2006-01-22 Zack Weinberg <zackw@panix.com>
8151 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8152 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8153 practical. Eliminate per-generator-program link rules.
8155 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8158 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8159 with a call expr to ...
8160 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8162 2006-01-23 Richard Guenther <rguenther@suse.de>
8164 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8165 before make_edge with conditional EDGE_TRUE_VALUE.
8167 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8168 Jan Hubicka <jh@suse.cz>
8169 Richard Guenther <rguenther@suse.de>
8171 PR rtl-optimization/25654
8172 * cfgexpand.c (aggregate_contains_union_type): New function.
8173 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8174 for structure variables that contain a union type.
8176 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8178 * gengtype.c (new_structure): Return the structure.
8179 (create_option): Add an extra "next" argument.
8180 (create_field): New function.
8181 (adjust_field_rtx_def): Use create_option and create_field.
8182 Remove a now-unnecessary call to find_structure.
8183 (adjust_field_tree_def): Likewise.
8184 (note_yacc_type): Remove an unnecessary call to find_structure.
8185 * gengtype.h (new_structure): Return the structure.
8186 (create_option): Add an extra argument.
8187 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8188 (option): Adjust calls to create_option.
8190 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8192 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8194 2006-01-22 Paul Brook <paul@codesourcery.com>
8195 Peter Barada <peter@the-baradas.com>
8197 * config/m68k/m68k.md: Add Coldfire FPU support.
8198 Define FP mode macro and associated attributes.
8199 Use it for float mode patterns.
8200 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8201 (LIBCALL_VALUE): Use m68k_libcall_value.
8202 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8203 (m68k_function_value): Ditto.
8204 (emit_move_sequence): Ditto.
8205 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8206 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8207 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8208 (MULTILIB_EXCEPTIONS): Ditto.
8209 * config/m68k/m68k.opt: Add mcfv4e.
8210 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8211 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8212 (m68k_output_function_prologue): Save ColdFire FPU registers.
8213 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8214 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8215 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8216 ColdFire FPU registers.
8217 (m68k_libcall_value, m68k_function_value): New functions.
8218 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8219 (LIBCALL_VALUE): Use m68k_libcall_value.
8220 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8221 (MASK_COLDFIRE): Add MASK_CFV4E.
8222 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8223 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8224 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8225 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8226 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8227 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8228 * doc/invoke.tex: Document -mcfv4e on m68k.
8230 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8232 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8235 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8238 * c-opts.c (c_common_handle_option): Don't include
8239 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8240 * doc/invoke.texi (C++ Dialect Options): Document that
8241 -Wnon-virtual-dtor is no longer included in -Wall.
8243 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8245 * gcov.c (print_version), gcov-dump.c (print_version),
8246 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8249 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8251 * df-scan.c (problem_SCAN): Added NULL reset function.
8252 (df_scan_reset_blocks): Added code to call reset block function
8253 (df_bb_refs_delete) Fixed comment.
8254 (df_insn_refs_delete): Made tolerant of deleting non existent info
8255 for dataflow problems that need to be reset.
8256 * df-core.c (df_set_blocks): Ditto.
8257 * df.h (struct df_problem): Added reset_fun.
8258 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8259 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8260 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8261 functions to clear out all references to def-use or use-def chains.
8263 2006-01-21 Ben Elliston <bje@au.ibm.com>
8265 * varasm.c (assemble_real): Initialise data array.
8267 2006-01-20 Paul Brook <paul@codesourcery.com>
8269 Merge from csl-arm-branch.
8270 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8271 * config/arm/arm.md (movdi): Force operands[1] to a register
8272 if we have a non-register source.
8273 (*arm_movdi, *movdf_soft_insn): Require that one of the
8274 operands be a register.
8275 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8276 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8278 2006-01-20 DJ Delorie <dj@redhat.com>
8280 * varasm.c (initialize_constant_valid_p): Allow pointers
8281 initialized from integer constants of lesser precision.
8282 (output_constant): Allow non-int-sized pointer modes to be
8283 initialized from integer constants.
8285 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8288 * cppdefault.h (struct default_include): Add multilib flag.
8289 * cppdefault.c (cpp_include_defaults): Set it.
8290 * c.opt (-imultilib): New option.
8291 * c-opts.c (imultilib): New.
8292 (c_common_handle_option): Handle -imultilib.
8293 (c_common_post_options): Likewise.
8294 * c-incpath.c (add_standard_paths, register_include_chains):
8296 * c-incpath.h (register_include_chains): Add extra parameter.
8297 * gcc.c (do_spec_1): Generate -imultilib option.
8298 (The Specs Language): Update %I description.
8299 (process_command): Update copyright notice.
8300 * doc/cppopts.texi (-imultilib): Document.
8301 * doc/invoke.texi (-imultilib): Include in option summary.
8302 (%I): Update specs documentation.
8304 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8306 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8308 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8310 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8313 2006-01-20 Richard Guenther <rguenther@suse.de>
8314 Steven Bosscher <stevenb.gcc@gmail.com>
8316 PR rtl-optimization/24626
8317 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8318 EDGE_TRUE_VALUE if in RTL mode.
8321 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8322 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8324 2006-01-20 Dirk Mueller <dmueller@suse.com>
8327 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8328 instead of a special NOP marker.
8329 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8330 NOP marker handling.
8331 * c-common.h (empty_body_warning): Add forward declaration.
8332 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8333 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8335 2006-01-20 Paul Brook <paul@codesourcery.com>
8337 * Makefile.in (lang_checks): Keep going if mkdir fails.
8339 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8341 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8342 be able to clean out basic block when not necessary.
8343 (df_scan_free): Fixed to properly delete information if df is
8344 unused before calling df_finish.
8345 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8346 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8348 (df_bb_refs_delete): New function.
8349 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8350 * df-core.c (df_set_blocks): Added code to properly clean out
8351 unused blocks if they are not part of the blocks to consider.
8352 Added additional null check.
8353 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8354 be able to clean out basic block when not necessary
8355 * df.h (df_free_bb_function): Ditto.
8356 (df_bb_refs_delete): New function.
8357 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8358 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8359 basic block parameter to be able to clean out basic block when not
8361 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8362 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8363 Fixed to properly delete information if df is unused before
8366 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8368 PR rtl-optimization/25799
8369 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8370 Corrected confluence operator to remove bits from op2 before oring
8371 with op1 rather than removing bits from op1.
8372 (df_ru_transfer_function): Corrected test on wrong bitmap which
8373 caused infinite loop. Both of these problems were introduced in
8374 the dataflow rewrite.
8376 2006-01-19 DJ Delorie <dj@redhat.com>
8378 * reload1.c (find_reload_regs): Note the details of reload
8379 failures in the dump file.
8380 (spill_failure): Likewise.
8382 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8384 * loop-iv.c: Include df.h and hashtab.h.
8385 (enum iv_grd_result): New enum.
8386 (DF_REF_IV, DF_REF_IV_SET): New macros.
8387 (struct biv_entry): New.
8388 (df, bivs): New global variables.
8389 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8390 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8392 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8393 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8394 analyzed_for_bivness_p, record_biv): New functions.
8395 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8396 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8397 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8399 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8401 (iv_number_of_iterations): Use new interface to iv analysis.
8402 * loop-unroll.c: Do not include varray.h.
8403 (analyze_iv_to_split_insn): Use new interface to iv
8405 * loop-unswitch.c (may_unswitch_on): Ditto.
8406 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8408 (df_bb_modify): Realloc tables to the new index.
8409 (df_find_use): New function.
8410 * df.h (df_find_use): Declare.
8411 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8413 * cfgloop.h (struct rtx_iv): Remove analysed field.
8414 (iv_get_reaching_def): Removed.
8415 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8416 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8417 (loop-iv.o): Add df.h and hashtab.h dependency.
8418 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8420 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8423 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8425 (__floatundisf, __floatundidf): Likewise.
8426 * libgcc2.h (IS_IBM_EXTENDED): Define.
8428 2006-01-19 DJ Delorie <dj@redhat.com>
8430 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8432 2006-01-19 Paul Brook <paul@codesourcery.com>
8434 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8435 as nothrow when unwinding tables are disabled.
8437 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8440 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8441 of bit-field" when in system header.
8443 2006-01-19 DJ Delorie <dj@redhat.com>
8445 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8446 the 16 bit shift limit of the m16c.
8448 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8451 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8452 * config/i386/i386.c (output_set_got): Output the label if we have one
8453 for the TARGET_DEEP_BRANCH_PREDICTION case.
8455 2006-01-19 Jan Hubicka <jh@suse.cz>
8456 H.J. Lu <hongjiu.lu@intel.com>
8457 Evandro Menezes <evandro.menezes@amd.com>
8459 * invoke.texi (generic): Document
8461 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8462 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8463 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8464 (x86_use_incdec, x86_pad_returns): New variables
8465 (TARGET_CPU_DEFAULT_generic): New constant
8466 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8467 (enum processor_type): Add generic32 and generic64.
8468 * i386.md (cpu attribute): Add generic32/generic64
8469 (movhi splitter): Behave sanely when both partial_reg_dependency and
8470 partial_reg_stall are set.
8471 (K8 splitters): Enable for generic as well.
8472 * predicates.md (incdec_operand): Use TARGET_INCDEC
8473 (aligned_operand): Avoid memory mismatch stalls.
8474 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8475 * ppro.md: Enable for generic32
8476 * i386.c (generic64_cost, generic32_cost): New.
8477 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8478 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8479 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8480 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8481 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8482 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8483 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8484 x86_accumulate_outgoing_args, x86_prologue_using_move,
8485 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8486 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8488 (x86_use_incdec, x86_pad_returns): New.
8489 (override_options): Add generic32 and generic64, translate "generic"
8490 to generic32/generic64 and "i686" to "generic32", refuse
8491 "generic32"/"generic64" as arch target.
8492 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8493 (ix86_reorg): Honor PAD_RETURNS.
8495 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8497 * tree-pretty-print.c (dump_generic_node): Handle
8498 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8499 * cgraph.c (cgraph_expand_queue): Rename from
8500 cgraph_analyze_queue. Update all users.
8501 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8502 cgraph_expand_queue.
8503 (cgraph_expand_all_functions): Likewise.
8504 (cgraph_finalize_pending_functions): Remove. Update callers.
8506 * tree.h (OMP_DIRECTIVE_P): Define.
8507 (OMP_PARALLEL_FN): Define.
8508 (OMP_PARALLEL_DATA_ARG): Define.
8509 (OMP_SECTIONS_SECTIONS): Define.
8510 * tree-pass.h (pass_expand_omp): Declare.
8511 * omp-low.c (struct omp_region): Declare.
8512 (struct omp_context): Remove fields 'parallel_type',
8513 'parallel_start_ix' and 'parallel_start_additional_args'.
8515 (struct omp_for_data): Rename from struct expand_omp_for_data.
8516 (omp_regions): New static variable.
8517 (root_omp_region): New static variable.
8518 (find_omp_clause): Make static.
8519 (is_in_combined_parallel_ctx): Remove.
8520 (is_combined_parallel): New.
8521 (extract_omp_for_data): Move earlier in the file.
8522 (workshare_safe_to_combine_p): New.
8523 (get_ws_args_for): New.
8524 (determine_parallel_type): Move earlier in the file.
8525 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8527 (omp_copy_decl): Likewise.
8528 (create_omp_child_function): Likewise.
8529 (lookup_omp_region): New.
8530 (dump_omp_region): New.
8531 (debug_omp_region): New.
8532 (debug_all_omp_regions): New.
8533 (new_omp_region): New.
8534 (scan_omp_parallel): If parallel_nesting_level > 1, the
8535 directive is nested within another parallel directive.
8536 Set OMP_PARALLEL_FN.
8537 (scan_omp_for): Do not try to handle combined parallel+for
8539 Remove FIXME comment.
8540 (scan_omp_nested): Remove.
8541 (scan_omp_1): Do not call scan_omp_nested when
8542 parallel_nesting_level is > 1.
8543 Do not change the DECL_CONTEXT of local variables found.
8544 (lookup_decl_in_outer_ctx): New.
8545 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8546 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8547 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8548 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8549 If CTX is nested, lookup VAR in the outer context when
8550 building copy assignment.
8551 (lower_send_clauses): Rename from expand_send_clauses.
8552 If CTX is nested, lookup VAR in the outer context when
8553 building copy assignments.
8554 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8555 If CTX is nested, lookup VAR in the outer context when
8556 building copy assignments.
8557 (expand_parallel_call): Rename from build_parallel_call.
8558 Handle combined parallel+workshare cases.
8559 Re-implement to emit code into the CFG.
8561 (expand_omp_parallel): Re-implement to emit code into the CFG.
8562 Call move_sese_region_to_fn to outline the sub-graph
8563 containing the parallel region.
8564 (expand_omp_for_1): Remove.
8565 (expand_omp_for_generic): Re-implement to emit code into the
8567 (expand_omp_for_static_nochunk): Likewise.
8568 (expand_omp_for_static_chunk): Likewise.
8569 (expand_omp_for): Likewise.
8570 (expand_omp_sections): Likewise.
8571 (remove_exit_barriers): New.
8572 (expand_omp_synch): New.
8574 (build_omp_regions_1): New.
8575 (build_omp_regions): New.
8576 (execute_expand_omp): New.
8577 (gate_expand_omp): New.
8578 (pass_expand_omp): Define.
8579 (lower_omp_sections): Rename from expand_omp_sections.
8580 Set OMP_SECTIONS_SECTIONS.
8581 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8582 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8583 (lower_omp_single): Rename from expand_omp_simple.
8584 (lower_omp_master): Rename from expand_omp_master.
8585 (lower_omp_ordered): Rename from expand_omp_ordered.
8586 (lower_omp_critical): Rename from expand_omp_critical.
8587 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8588 (lower_omp_for): Re-implement.
8589 (lower_omp_parallel): Re-implement.
8590 (lower_regimplify): Rename from expand_regimplify.
8591 (lower_omp_1): Rename from expand_omp_1.
8592 If there are syntax errors in the program, replace every
8593 OpenMP directive with NOP.
8594 Call lower_omp_* instead of expand_omp_*.
8595 (lower_omp): Rename from expand_omp.
8597 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8598 * tree-gimple.h (enum omp_parallel_type): Remove.
8599 (gimple_boolify): Declare extern.
8600 (find_omp_clause, determine_parallel_type): Remove.
8602 * gimple-low.c (lower_omp_directive): New.
8603 (lower_stmt): Call it.
8604 (record_vars_into): Move from ...
8605 (record_vars): ... here.
8606 Call record_vars_into with current_function_decl.
8608 * gimplify.c (struct gimplify_ctx): Remove fields
8609 combined_pre_p and combined_ctxp. Update users.
8610 (get_formal_tmp_var): Add documentation.
8611 (gimple_boolify): Make extern.
8612 (gimplify_expr_in_ctx): Remove. Update callers.
8613 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8614 will always be a BIND_EXPR.
8615 (gimplify_expr): Handle OMP_RETURN_EXPR.
8616 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8617 (OMP_PARALLEL): Add 3 operands.
8618 (OMP_SECTIONS): Add 1 operand.
8619 (OMP_RETURN_EXPR): Define.
8621 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8622 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8623 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8624 creating a circular free list.
8625 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8627 * tree-flow.h (move_sese_region_to_fn): Declare.
8628 (record_vars_into): Declare.
8629 * tree-cfg.c (make_omp_sections_edges): New.
8630 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8631 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8632 OMP_SECTIONS and OMP_SECTION.
8633 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8634 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8635 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8636 (gather_blocks_in_sese_region): New.
8637 (struct move_stmt_d): Declare.
8639 (move_block_to_fn): New.
8640 (move_sese_region_to_fn): New.
8642 * passes.c (init_optimization_passes): Schedule
8643 pass_expand_omp after pass_init_datastructures.
8645 * tree-ssa-operands.c (get_expr_operands): Handle
8646 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8647 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8649 2006-01-19 Jeff Law <law@redhat.com>
8651 * tree-vrp.c (extract_range_from_assert): Refine the result range
8652 if the variable referenced by the ASSERT_EXPR has a range and
8653 either the tentative result range or the previous range is a
8656 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8658 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8660 2006-01-19 Jan Hubicka <jh@suse.cz>
8662 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8664 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8666 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8667 (expand_compound_operation, expand_field_assignment): Fail if the
8668 bit lengths of an extract operation are out of range.
8669 (make_extraction): Compute wanted_inner_mode based on the position
8670 and length of the extraction. Make it extraction_mode for non-constant
8671 positions, and do not modify offset in that case. When generating a
8672 new MEM, use a mode that can hold the extraction while keeping correct
8673 alignment. Remove code that supported MEMs wrapped by USEs.
8674 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8676 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8678 * config/s390/s390.md ("Y", "y"): New mode attribute.
8679 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8680 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8681 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8682 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8683 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8684 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8685 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8686 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8687 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8688 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8689 "addsi3", "subsi3"): Insn patterns removed.
8690 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8691 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8692 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8693 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8694 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8695 "*sub<mode>3_cconly2"): New insn patterns.
8696 ("addsi3", "subsi3"): New expanders.
8698 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8700 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8701 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8702 existing STMT_VINFO_VECTYPE if available.
8703 (vect_mark_relevant): Add special handling for stmts that are
8704 marked as STMT_VINFO_IN_PATTERN_P.
8705 (vect_analyze_loop): Call vect_pattern_recog.
8706 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8707 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8709 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8710 (vect_recog_func_ptr): New function-pointer type.
8711 * tree-vect-patterns.c: New file.
8712 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8713 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8714 (vect_pattern_recog_1): New functions.
8715 (vect_pattern_recog_funcs): New array of function pointers.
8717 * tree-vectorizer.h (ternary_op): New enum value.
8718 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8719 declaration. Revised documentation. Removed redundant dump prints.
8720 Removed redundant argument. Added support for reduction patterns.
8721 (vectorizable_reduction): Added support for reduction patterns.
8722 (vect_transform_stmt): Added support for patterns.
8724 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8725 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8726 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8727 (expand_widen_pattern_expr): New function.
8728 (init_optabs): Initialize new optabs udot_prod_optab,
8730 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8731 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8732 (expand_widen_pattern_expr): New function declaration.
8733 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8735 * tree-inline.c (estimate_num_insns_1): Added cases for new
8736 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8737 * tree-pretty-print.c (dump_generic_node): Likewise.
8738 (op_prio): Likewise.
8739 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8740 * tree-ssa-operands.c (get_expr_operands): Added case for
8742 * tree-vect-patterns.c (widened_name_p): New function.
8743 (vect_recog_dot_prod_pattern): Added function implementation.
8744 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8745 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8746 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8747 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8749 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8750 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8751 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8752 (init_optabs): Initialize new optabs widen_ssum_optab,
8754 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8755 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8756 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8757 use instead of type of def.
8758 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8759 function implementation.
8760 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8761 widen_ssumv8hi): New.
8763 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8766 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8769 * c-decl.c (add_flexible_array_elts_to_size): New function.
8770 (finish_decl): Use it.
8772 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8774 * diagnostic.h: Include options.h.
8775 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8776 dependancies for diagnostic.h.
8777 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8779 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8781 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8782 (ssa_ro_call_cache_valid): Ditto.
8783 * tree-ssa-alias.c (sort_tags_by_id): New function.
8784 (init_transitive_clobber_worklist): Ditto.
8785 (add_to_worklist): Ditto.
8786 (mark_aliases_call_clobbered): Ditto.
8787 (compute_tag_properties): Ditto.
8788 (set_initial_properties): Ditto.
8789 (compute_call_clobbered): Ditto.
8790 (compute_may_aliases): Call compute_call_clobbered and grouping.
8791 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8792 (compute_flow_insensitive_aliasing): Grouping now happens in our
8794 (setup_pointers_and_addressables): Remove clobbering related code.
8795 (add_may_alias): Ditto.
8796 (replace_may_alias): Ditto.
8797 (get_nmt_for): Ditto.
8798 (create_global_var):
8799 (is_escape_site): Return an escape_type enumeration.
8800 * tree-flow-inline.h (is_call_clobbered): Global var does not
8801 imply call clobbered.
8802 (mark_call_clobbered): Take a reason for marking this. Remove
8803 marking of globalness, and cache invalidation.
8804 (clear_call_clobbered): Remove cache invalidation code.
8805 * tree-dfa.c (dump_variable): If details is on, dump the reason
8807 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8809 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8810 (struct var_ann_d): Ditto.
8811 (enum escape_type): New.
8812 (mark_call_clobbered): Adjust prototype.
8813 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8814 are never call clobbered.
8815 Record reasons for escaping.
8816 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8817 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8818 (ssa_ro_call_cache_valid): Ditto.
8819 (clobbered_v_may_defs): Ditto.
8820 (clobbered_vuses): Ditto.
8821 (ro_call_vuses): Ditto.
8822 (clobber_stats): New.
8823 (init_ssa_operands): Zero out clobber stats.
8824 (fini_ssa_operands): Print out clobber stats.
8825 (get_call_expr_operands): Pass callee fndecl to
8827 (add_call_clobber_ops): Remove use of cache.
8828 Add use of PURE_CONST information.
8829 (add_call_read_ops): Remove use of cache.
8830 Add use of static not_read information.
8832 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8834 Introduce TLS descriptors for i386 and x86_64.
8835 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8836 (TARGET_ANY_GNU_TLS): New macro.
8837 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8838 (struct machine_function): Add tls_descriptor_call_expanded_p.
8839 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8840 (ix86_current_function_calls_tls_descriptor): Likewise.
8841 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8842 (override_options): Introduce gnu2 tls dialect.
8843 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8845 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8847 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8848 (ix86_init_machine_status): Initialize new field.
8849 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8850 (ix86_tls_module_base): New.
8851 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8852 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8853 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8854 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8855 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8856 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8857 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8858 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8859 * config/i386/predicates.md (tls_modbase_operand): New.
8860 (tp_or_register_operand): New.
8862 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8864 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8865 (look_for_address_of): Ditto.
8866 (ipa_init): Walk the function decls.
8867 (static_execute): Don't set readonly on FUNCTION_DECL's.
8869 2006-01-18 Roger Sayle <roger@eyesopen.com>
8871 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8872 for shifts where the source and destination registers are different.
8874 2006-01-18 Paul Brook <paul@codesourcery.com>
8876 Merge from csl-arm-branch.
8877 2005-03-14 Julian Brown <julian@codesourcery.com>
8878 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8879 (aeabi_llsl): Likewise.
8880 (ashrdi3): Likewise.
8881 (aeabi_lasr): Likewise.
8882 (lshrdi3): Likewise.
8883 (aeabi_llsr): Likewise.
8884 2005-03-10 Julian Brown <julian@codesourcery.com>
8885 * config.gcc: Disable shared libgcc for SymbianOS.
8886 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8888 2006-01-18 DJ Delorie <dj@redhat.com>
8890 * c-pragma.c (handle_pragma_diagnostic): New.
8891 (init_pragma): Register it.
8892 * doc/extend.texi: Document it.
8894 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8895 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8896 (diagnostic_context): Add classify_diagnostic[].
8897 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8898 as errors if they're overridden to DK_WARNING.
8899 (diagnostic_initialize): Initialize classify_diagnostic[].
8900 (diagnostic_set_kind_override): New.
8901 (diagnostic_report_diagnostic): Check for kind changes.
8902 * opts.c (common_handle_option): Take lang_mask. Update callers.
8904 * common.opt (Werror=): New.
8905 * doc/invoke.texi: Document -Werror=*
8907 2006-01-18 Jeff Law <law@redhat.com>
8909 * tree-vrp.c (test_for_singularity): Correct test for new
8910 min limit. Use operand_equal_p rather than pointer equality
8911 for testing if new min/max values are equal.
8913 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8914 using range information until after propagation and folding.
8916 2006-01-18 Richard Henderson <rth@redhat.com>
8917 Aldy Hernandez <aldyh@redhat.com>
8918 Jakub Jelinek <jakub@redhat.com>
8919 Diego Novillo <dnovillo@redhat.com>
8921 * omp-low.c: New file.
8922 * c-omp.c: New file.
8924 2006-01-18 Richard Henderson <rth@redhat.com>
8925 Jakub Jelinek <jakub@redhat.com>
8926 Diego Novillo <dnovillo@redhat.com>
8928 * doc/invoke.texi: Document -fopenmp.
8929 * tree-dump.h (debug_function): Declare.
8930 * hooks.c (hook_bool_tree_bool_false): New function.
8931 (hook_tree_tree_null): Remove.
8932 (hook_tree_tree_tree_null): New.
8933 * hooks.h: Update to match.
8934 * tree-pretty-print.c (debug_tree_chain): New.
8935 (print_generic_expr): Handle TDF_CHAIN.
8936 (dump_generic_node): Handle BLOCK.
8937 Do not abort with incomplete SWITCH_EXPRs.
8938 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8939 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8940 print space after directive name.
8941 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8942 Handle OMP_MASTER and OMP_ORDERED.
8943 Handle printing of OMP_BODY just in one place, goto
8944 dump_omp_body in the rest of OMP_* nodes that have
8946 Don't handle clause nodes here. Update omp statements to
8947 use dump_omp_clauses.
8948 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8949 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8950 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8951 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8952 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8953 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8954 Adjust output for GOMP_PARALLEL.
8955 (dump_omp_clauses): New.
8956 (print_declaration): Dump DECL_VALUE_EXPR.
8957 (op_symbol_1): Split out of op_symbol.
8958 (dumping_stmts): Remove. Update all users.
8959 * cgraph.c (cgraph_analyze_queue): New.
8960 (cgraph_add_new_function): New.
8961 * cgraph.h (cgraph_analyze_queue): Declare.
8962 (cgraph_add_new_function): Declare.
8963 (cgraph_lower_function): Remove.
8964 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8965 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8966 and TYPE_P nodes in its default clause.
8967 (empty_body_p): New.
8968 (tree_range_check_failed): New.
8970 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8971 OMP_CLAUSE_REDUCTION_MERGE,
8972 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8973 OMP_CLAUSE_PRIVATE_DEBUG,
8974 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8975 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8976 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8977 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8978 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8979 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8980 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8981 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8982 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8983 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8984 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8985 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8986 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8987 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8988 (TREE_RANGE_CHECK): New.
8989 (empty_body_p): Declare.
8990 (enum omp_clause_default_kind): New.
8991 (build_string_literal): Declare.
8992 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8993 (build5_stat, build5): Declare.
8994 * tree-pass.h (TDF_CHAIN): Define.
8995 * tree-pass.h (PROP_gimple_lomp): Define.
8996 (pass_lower_omp): Declare.
8997 * diagnostic.h (debug_tree_chain): Declare.
8998 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9000 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9001 * builtins.c (build_string_literal): Make extern.
9002 * gcc.c (include_spec_function): New.
9003 (static_spec_functions): Add it.
9004 (main): Move load of libgomp.spec ...
9005 (LINK_COMMAND_SPEC): ... here.
9006 (link_gomp_spec): New.
9007 (static_specs): Include it.
9008 (LINK_COMMAND_SPEC): Add link_gomp.
9009 (GOMP_SELF_SPECS): New.
9010 (driver_self_specs): Include it.
9011 (switch_matches): Don't mark inline.
9012 (main): Load libgomp.spec.
9013 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9014 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9015 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9016 * tree-gimple.h (enum omp_parallel): Declare.
9017 (determine_parallel_type): Declare.
9018 (omp_firstprivatize_variable): Declare.
9019 (omp_reduction_init): Declare.
9020 (diagnose_omp_structured_block_errors): Declare.
9021 (struct walk_stmt_info): Add want_return_expr.
9022 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9023 (find_omp_clause): Declare.
9024 (insert_field_into_struct): Declare.
9025 (struct walk_stmt_info): Move from tree-nested.c
9026 (walk_stmts): Declare.
9027 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9029 * cgraphunit.c (cgraph_lower_function): Make static.
9030 (cgraph_finalize_pending_functions): New.
9031 (cgraph_finalize_function): Call it.
9032 (cgraph_finalize_compilation_unit): Likewise.
9033 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9034 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9035 (BT_FN_UINT_UINT): New.
9036 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9037 DEF_FUNCTION_TYPE_VAR_4): Document.
9038 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9039 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9040 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9041 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9042 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9043 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9044 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9045 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9046 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9047 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9048 into separate files.
9049 (DEF_GOMP_BUILTIN): New.
9050 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9051 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9052 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9053 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9054 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9055 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9056 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9057 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9058 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9059 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9060 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9061 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9062 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9063 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9064 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9065 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9066 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9067 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9068 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9069 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9070 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9071 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9072 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9073 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9074 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9075 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9076 * sync-builtins.def: New file, moved from builtins.def.
9077 * omp-builtins.def: New file, moved from builtins.def.
9078 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9079 * gimple-low.c (lower_function_body): Clear data.
9080 (lower_stmt): Do not handle COMPOUND_EXPR.
9081 Remove call to print_node_brief.
9082 * c-tree.h (c_finish_omp_clauses): New prototype.
9083 (C_DECL_THREADPRIVATE_P): Define.
9084 (lookup_name_no_remap, c_omp_remap_private): Remove
9085 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9086 (check_for_loop_decls): Update decl.
9087 (lookup_name_no_remap, c_omp_remap_private): Declare.
9088 (build_indirect_ref, build_modify_expr, pushdecl,
9089 pushdecl_top_level): Move to c-common.h.
9090 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9091 before the switch, but just in the 2 places that need it.
9092 * c-decl.c (diagnose_mismatched_decls): Do not check for
9093 mismatched thread-local attributes when OLDDECL is marked
9094 threadprivate and NEWDECL has no thread-local attributes.
9095 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9096 (c_gimple_diagnostics_recursively): Rename from
9097 c_warn_unused_result_recursively. Invoke
9098 diagnose_omp_structured_block_errors.
9099 (check_for_loop_decls): Return a singular decl found.
9100 * langhooks.c (lhd_omp_predetermined_sharing): Return
9101 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9102 (lhd_omp_firstprivatize_type_sizes): New.
9103 (lhd_omp_assignment): New.
9104 (lhd_omp_predetermined_sharing): New.
9105 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9106 (struct lang_hooks_for_types): Add
9107 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9108 omp_predetermined_sharing, omp_disregard_value_expr,
9109 omp_private_debug_clause, omp_clause_default_ctor,
9110 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9111 (c_finish_omp_clauses): New.
9112 (c_finish_bc_stmt): Diagnose break within omp for.
9113 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9114 (build_unary_op): Return error_mark after reporting
9116 (build_modify_expr): Likewise.
9117 * gimplify.c: Include optabs.h and pointer-set.h.
9118 (enum gimplify_omp_var_data): Declare.
9119 (struct gimplify_omp_ctx): Declare.
9120 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9122 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9123 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9124 (splay_tree_compare_decl_uid): New.
9125 (new_omp_context): New.
9126 (delete_omp_context): New.
9127 (gimple_add_tmp_var): Call omp_add_variable.
9128 (gimplify_bind_expr): Likewise.
9129 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9130 true, disregard DECL_VALUE_EXPR on the decl if any.
9131 (gimplify_expr_in_ctx): New.
9132 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9133 omp_add_variable, omp_notice_variable, omp_is_private
9134 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9135 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9136 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9137 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9138 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9139 gimplify_omp_atomic): New.
9140 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9141 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9142 OMP_CRITICAL and OMP_ATOMIC.
9143 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9144 * c-pragma.h (enum pragma_kind): Add
9145 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9146 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9147 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9148 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9149 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9150 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9151 PRAGMA_OMP_THREADPRIVATE.
9152 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9153 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9154 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9155 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9156 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9157 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9158 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9159 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9160 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9161 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9162 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9163 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9164 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9166 (struct nesting_info): Add field_map,
9167 suppress_expansion, debug_var_chain.
9168 (create_nesting_tree): Initialize them.
9169 (lookup_field_for_decl): Use field_map.
9170 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9171 (convert_local_omp_clauses): New.
9172 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9173 (walk_body): Split out of walk_function.
9174 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9175 (convert_nonlocal_reference): Handle omp statements.
9176 (convert_local_reference): Likewise.
9177 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9178 (unnest_nesting_tree): New.
9179 (lower_nested_functions): Call it.
9180 (insert_field_into_struct): Make extern.
9181 (struct walk_stmt_info): Move to tree-gimple.h.
9182 (walk_stmts): Make extern.
9183 * omp-builtins.def: New file.
9184 * tree-iterator.c (expr_only): Clarify comment.
9185 * c-common.h (pushdecl_top_level, pushdecl,
9186 build_modify_expr, build_indirect_ref,
9187 c_finish_omp_master, c_finish_omp_critical,
9188 c_finish_omp_ordered, c_finish_omp_barrier,
9189 c_finish_omp_atomic, c_finish_omp_flush,
9190 c_finish_omp_for, c_split_parallel_clauses,
9191 omp_clause_default_kind, c_omp_sharing_predetermined,
9192 c_omp_remap_decl): Declare.
9193 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9194 (OBJS-common): Add omp-low.o.
9195 (c-omp.o, omp-low.o): Add.
9196 (gimplify.o): Add dependency on $(OPTABS_H).
9197 (GTFILES): Add omp-low.c.
9198 (gt-stringpool.h): Add.
9199 * tree-cfg.c (set_bb_for_stmt): Do not update the
9200 block-to-labels map if we are currently expanding to RTL.
9201 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9203 Handle IDENTIFIER_NODE.
9204 (tree_verify_flow_info): Do not ICE when emitting error
9205 messages about invalid labels.
9206 (dump_function_to_file): Reset CFUN before emitting the body
9208 (debug_function): New.
9209 * passes.c (init_optimization_passes): Schedule
9211 * langhooks-def.h (lhd_omp_predetermined_sharing,
9212 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9214 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9215 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9216 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9217 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9218 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9219 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9220 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9221 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9222 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9223 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9224 (LANG_HOOK_DECLS): Use them.
9226 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9227 Richard Henderson <rth@redhat.com>
9228 Jakub Jelinek <jakub@redhat.com>
9229 Diego Novillo <dnovillo@redhat.com>
9231 * c-parser.c (pragma_omp_clause): Define.
9232 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9233 (c_parser_compound_statement): Likewise.
9234 (c_parser_statement): Likewise.
9235 (c_parser_pragma): Handle omp pragmas.
9236 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9237 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9238 (c_parser_omp_clause_name, check_no_duplicate_clause,
9239 c_parser_omp_variable_list,
9240 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9241 c_parser_omp_clause_copyprivate,
9242 c_parser_omp_clause_default,
9243 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9244 c_parser_omp_clause_lastprivate,
9245 c_parser_omp_clause_nowait,
9246 c_parser_omp_clause_num_threads,
9247 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9248 c_parser_omp_clause_reduction,
9249 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9250 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9251 c_parser_omp_atomic, c_parser_omp_barrier,
9252 c_parser_omp_critical, c_parser_omp_flush,
9253 c_parser_omp_for_loop, c_parser_omp_for,
9254 c_parser_omp_master, c_parser_omp_ordered,
9255 c_parser_omp_sections_scope, c_parser_omp_sections,
9256 c_parser_omp_parallel, c_parser_omp_single,
9257 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9258 * c-pragma.c (init_pragma): Do omp pragma registration here.
9259 * c.opt (fopenmp): New flag.
9261 2006-01-18 Eric Christopher <echristo@apple.com>
9263 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9264 * config/darwin.h (GOMP_SELF_SPECS): Define.
9266 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9268 * rtl.h: Remove the prototype for reg_alloc.
9270 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9273 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9274 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9275 sjlj and dwarf2 exception handling.
9276 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9277 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9278 * pa/pa.c (function_value): Treat complex and vector types as
9280 (function_arg): Likewise. Only pass scalar floats in the floating
9281 point argument registers.
9282 * pa/t-slibgcc-dwarf-ver: New file.
9283 * pa/t-slibgcc-sjlj-ver: New file.
9284 * pa/t-slibgcc-elf-ver: Delete file.
9286 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9288 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9289 unlikely_test_section_p test.
9291 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9293 * mode-switching.c (optimize_mode_switching): Make it static.
9294 * basic-block.h: Remove the prototype for
9295 optimize_mode_switching.
9297 * modulo-sched.c (sms_schedule): Make it static.
9298 * rtl.h: Remove the prototype for sms_schedule.
9300 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9301 * rtl.h: Remove the prototype for gcse_after_reload_main.
9303 * reg-stack.c (reg_to_stack): Make it static.
9304 * rtl.h: Remove the prototype for reg_to_stack.
9306 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9308 * rtl.h: Remove the prototypes for regrename_optimize and
9309 copyprop_hardreg_forward.
9311 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9313 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9314 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9315 Test against the appropriate null constant for the mode.
9316 If 'fixup_overlap' is true, swap the operands if they overlap.
9317 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9318 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9319 alpha_split_tmode_pair and adjust for above change.
9320 * config/alpha/alpha.md (movtf_internal): Adjust call to
9321 alpha_split_tfmode_pair and rely on it to swap the operands.
9322 (movti_internal): New insn and post-reload splitter.
9323 (movti): New expander.
9325 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9327 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9330 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9332 * rtlanal.c (global_reg_mentioned_p_1,
9333 global_reg_mentioned_p): Remove.
9334 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9336 * flow.c (initialize_uninitialized_subregs): Make it static.
9337 * rtl.h: Remove the prototype for
9338 initialize_uninitialized_subregs.
9340 * function.c (instantiate_virtual_regs): Make it static.
9341 * function.h: Remove the prototype for
9342 instantiate_virtual_regs.
9344 * regmove.c (regmove_optimize, combine_stack_adjustments):
9346 * rtl.h: Remove the prototypes for regmove_optimize and
9347 combine_stack_adjustments.
9349 2006-01-17 Roger Sayle <roger@eyesopen.com>
9351 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9352 (size_cost): Encode costs in bytes so that a reg-reg addition is
9353 equivalent to COSTS_N_INSNS(1).
9354 (override_options): Use the size_cost.branch_cost as the default
9355 ix86_branch_cost when optimizing for size.
9357 2006-01-18 Ben Elliston <bje@au.ibm.com>
9359 * Makefile.in (D32PBIT_FUNCS): New.
9360 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9361 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9362 D64PBIT_FUNCS and D128PBIT_FUNCS.
9363 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9364 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9366 (decnumber_dep): Define.
9367 * doc/libgcc.texi (Decimal float library routines): New node.
9368 * config/dfp-bit.h, config/dfp-bit.c: New files.
9370 2006-01-18 Ben Elliston <bje@au.ibm.com>
9372 * expr.c (emit_move_change_mode): Always adjust addresses, not
9373 just during reload. Copy replacements only during reload.
9374 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9375 emit_move_via_integer.
9377 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9379 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9380 instead of $(srcdir) and ${srcdir}.
9382 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9386 * arm.h (struct machine_function): Add pic_reg.
9387 * arm.c (arm_pic_register): Make unsigned.
9388 (arm_override_options): Only set arm_pic_register if
9389 TARGET_SINGLE_PIC_BASE.
9390 (use_return_insn): Only test for a pic register if it is fixed.
9391 (arm_compute_save_reg0_reg12_mask): Likewise.
9392 (thumb_compute_save_reg_mask): Likewise.
9393 (legitimate_pic_operand): Factor out some known invariants.
9394 (legitimize_pic_address): If we don't have a fixed pic register,
9395 then set up a pseudo in the function entry sequence. Handle the
9396 pic base being in a pseudo.
9397 (arm_load_pic_register): Handle the pic register being in a pseudo.
9398 (arm_expand_prologue): Only set up the pic register if it is fixed.
9399 (thumb_expand_prologue): Likewise.
9400 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9401 (pic_load_addr_based_insn): Likewise.
9402 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9405 2006-01-18 Ben Elliston <bje@au.ibm.com>
9407 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9408 decimal float modes for all floating point registers.
9410 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9411 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9413 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9416 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9417 even when the pointer is not NULL.
9419 2006-01-16 Ian Lance Taylor <ian@airs.com>
9421 * common.opt (ftoplevel-reorder): New option.
9422 * cgraph.c (cgraph_asm_nodes): New global variable.
9423 (cgraph_asm_last_node): New static variable.
9424 (cgraph_order): New global variable.
9425 (cgraph_create_node): Set new order field.
9426 (cgraph_varpool_node): Likewise.
9427 (decide_is_variable_needed): Return true if not
9428 flag_toplevel_reorder.
9429 (cgraph_add_asm_node): New function.
9430 * cgraph.h (struct cgraph_node): Add order field.
9431 (struct cgraph_varpool_node): Add order field.
9432 (struct cgraph_asm_node): Define.
9433 (cgraph_asm_nodes, cgraph_order): Declare.
9434 (cgraph_add_asm_node): Declare.
9435 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9437 (cgraph_varpool_assemble_pending_decls): Call it.
9438 (cgraph_output_pending_asms): New static function.
9439 (cgraph_finalize_compilation_unit): Call it.
9440 (struct cgraph_order_sort): Define.
9441 (cgraph_output_in_order): New static function.
9442 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9443 !flag_toplevel_reorder case.
9444 * c-parser.c: Include "cgraph.h".
9445 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9447 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9448 than -fno-unit-at-a-time.
9449 * doc/invoke.texi (Option Summary): Mention
9450 -fno-toplevel-reorder.
9451 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9452 -funit-at-a-time documentation.
9454 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9455 Kazu Hirata <kazu@codesourcery.com>
9457 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9459 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9461 * Makefile.in (FUNCTION_H): New. Use it instead of
9462 function.h throughout the file.
9463 * function.h: Include tree.h.
9465 2006-01-17 Ben Elliston <bje@au.ibm.com>
9467 * recog.c: Separate some functions with whitespace.
9469 2006-01-16 Richard Henderson <rth@redhat.com>
9471 Merge from gomp branch:
9472 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9473 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9474 and rename from struct inline_data. Rename callee* to dst*;
9475 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9476 transform_new_cfg, transform_return_to_modify, and
9477 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9479 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9480 (copy_decl_for_dup): Remove.
9481 * tree-inline.c (struct inline_data): Move to header.
9482 (insert_decl_map): Export.
9483 (remap_decl): Update for member name changes. Use copy_decl hook.
9484 Allow for replacement to be a non-decl. Remove dead code.
9485 (remap_type_1): Check for existing mapping.
9486 (remap_type): Export.
9487 (remap_decls): Update for member name changes.
9488 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9489 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9490 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9491 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9492 (tree_function_versioning, build_duplicate_type): Likewise.
9493 (copy_body_r): Likewise. Export.
9494 (copy_decl_for_dup): Split into ...
9495 (copy_decl_for_dup_finish, copy_decl_to_var,
9496 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9497 (replace_ref_tree, inlining_p): Remove.
9499 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9501 * ifcvt.c (if_convert): Make it static.
9502 * rtl.h: Remove the prototype for if_convert.
9504 * local-alloc.c (local_alloc): Make it static.
9505 * rtl.h: Remove the prototype for local_alloc.
9507 * loop.c (loop_optimize): Make it static.
9508 * cfgloop.h: Remove the prototype for loop_optimize.
9511 2006-01-16 DJ Delorie <dj@redhat.com>
9513 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9516 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9518 * pa.md: Disparage copies between general and floating-point registers
9519 in 32-bit move patterns.
9521 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9524 * Makefile.in (check-%): Depend on site.exp instead of
9525 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9528 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9530 * global.c (global_alloc): Make it static.
9531 * rtl.h: Remove the prototype for global_alloc.
9533 2006-01-16 Richard Guenther <rguenther@suse.de>
9535 * tree-ssa-alias.c (struct used_part): Add write_only field.
9536 (get_or_create_used_part_for): Initialize it to true.
9537 (create_overlap_variables_for): Don't create structure variables
9538 for structures that only are written to.
9539 (find_used_portions): Handle MODIFY_EXPR to track whether a
9540 structure is only written to.
9542 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9544 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9546 * basic-block.h: Remove the prototype for
9547 partition_hot_cold_basic_blocks.
9549 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9551 * cppspec.c (lang_specific_spec_functions): Remove.
9552 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9553 * gcc.h (lang_specific_spec_functions): Remove.
9554 * gccspec.c (lang_specific_spec_functions): Remove.
9556 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9558 * combine.c (record_value_for_reg): Invalidate registers
9560 (record_dead_and_set_regs_1): Likewise, by passing them to
9561 record_value_for_reg.
9562 (record_dead_and_set_regs): Invalidate stores made by a
9563 call. We do not combine across a call, but we still
9564 relied on equivalences.
9566 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9568 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9569 vrp_int_const_binop returning non-constant nodes.
9571 2006-01-16 Paul Brook <paul@codesourcery.com>
9573 * config/m68k/m68k.c (output_move_const_into_data_reg):
9574 Output correct mnemonic for mvz and mvs.
9576 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9578 * rtl-factoring.c: Add sequence abstraction algorithm.
9579 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9580 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9582 (block_has_preserve_label): New function.
9583 * common.opt: Register new pass.
9584 * Makefile.in: Ditto.
9586 * timevar.def: Ditto.
9587 * tree-pass.h: Ditto.
9588 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9589 * rtl.h (make_jump_insn_raw): Add forward decl.
9590 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9592 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9593 Roger Sayle <roger@eyesopen.com>
9595 * fold-const.c (fold_minmax): New static function.
9596 (fold_binary) <MIN_EXPR>: Call it.
9597 <MAX_EXPR>: Likewise.
9598 * stor-layout.c (place_field): Use DECL_SIZE consistently
9599 in the computation of the new record size.
9601 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9603 * cse.c (cse_condition_code_reg): Make it static.
9604 * rtl.h: Remove the prototype for cse_condition_code_reg.
9606 * combine.c (combine_instructions): Make it static.
9607 * rtl.h: Remove the prototype for combine_instructions.
9609 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9612 * tree.c (get_file_function_name_long): Concatenate the first global
9613 object name with a string derived from the input filename of the object
9616 2006-01-16 Ben Elliston <bje@au.ibm.com>
9618 * config/i386/winnt-stubs.c: Update FSF address.
9619 * config/xtensa/ieee754-df.S: Ditto.
9620 * config/xtensa/ieee754-sf.S: Ditto.
9622 2006-01-14 Ian Lance Taylor <ian@airs.com>
9624 * ifcvt.c (noce_init_if_info): New static function, broken out of
9625 noce_process_if_block.
9626 (noce_process_if_block): Call noce_init_if_info.
9627 (check_cond_move_block): New static function.
9628 (cond_move_process_if_block): New static function.
9629 (process_if_block): Call cond_move_process_if_block.
9631 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9633 * cselib.c (hash_table): Rename to cselib_hash_table.
9634 (cselib_clear_table, discard_useless_values,
9635 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9636 cselib_init, cselib_finish): Adjust uses of hash_table.
9638 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9640 PR tree-optimization/25485
9641 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9642 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9643 is known to be false and true, respectively.
9645 2006-01-14 Richard Guenther <rguenther@suse.de>
9647 PR tree-optimization/22548
9648 PR tree-optimization/22555
9649 PR tree-optimization/22501
9650 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9651 * params.def (salias-max-array-elements): New parameter.
9652 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9653 * doc/invoke.texi (salias-max-array-elements): Document.
9654 * tree-flow-inline.h (var_can_have_subvars): We also handle
9656 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9658 * tree-ssa-structalias.c (params.h): Include.
9659 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9660 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9661 (get_constraint_for): For ADDR_EXPR operating on something
9662 containing an ARRAY_REF, add all subvars to the solution.
9663 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9664 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9665 for creating MUST_DEFs.
9666 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9668 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9670 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9672 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9673 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9674 number_of_iterations_le): New functions.
9675 (number_of_iterations_special): Removed.
9676 (number_of_iterations_exit): Do not use number_of_iterations_special.
9677 * tree.c (unsigned_type_for): Always return integer type.
9679 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9680 Richard Guenther <rguenther@suse.de>
9682 PR rtl-optimization/24257
9683 * gcse.c (find_moveable_store): Only consider a store movable
9684 when the SET_SRC of the insn can be assigned to a register.
9686 2006-01-14 Ian Lance Taylor <ian@airs.com>
9688 * tree.c (tree_not_class_check_failed): New function.
9689 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9690 (tree_not_class_check_failed): Declare.
9692 2006-01-13 Ian Lance Taylor <ian@airs.com>
9694 * reload1.c (do_output_reload): Add assertion rejecting a
9697 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9699 * combine.c (struct reg_stat): Add new fields truncation_label and
9701 (record_value_for_reg): Reset truncated_to_mode.
9702 (record_truncated_value): New function.
9703 (check_promoted_subreg): Call it. Rename to check_conversions.
9704 (combine_instructions): Rename check_promoted_subreg to
9706 (reg_truncated_to_mode): New function.
9707 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9708 (gen_lowpart_or_truncate): New function.
9709 (force_to_mode): Use it instead of gen_lowpart.
9711 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9713 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9714 VAR is a tag, not its type tag.
9716 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9718 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9719 alternatives to match style of other entries.
9720 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9722 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9724 PR tree-optimization/25771
9725 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9728 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9731 * tree-inline.c (declare_return_variable): If the return variable
9732 was marked as a non gimple complex, set the return slot variable
9733 to be a non gimple comple variable.
9735 2006-01-13 Richard Guenther <rguenther@suse.de>
9737 * builtins.c (expand_builtin_sincos): New function.
9738 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9740 (expand_builtin): Expand sincos using expand_builtin_sincos.
9742 2006-01-12 DJ Delorie <dj@redhat.com>
9744 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9745 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9746 so that constant shifts can be split.
9747 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9748 (m32c_valid_pointer_mode): Make static.
9749 (shift_gen_func_for): New.
9750 (m32c_prepare_shift): Use it. Split large const shifts into
9752 * config/m32c/predicates.md (shiftcount_operand): Allow more
9754 (longshiftcount_operand): New.
9755 * doc/md.texi (Machine Constraints): Document In6.
9757 2006-01-13 Ben Elliston <bje@au.ibm.com>
9759 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9760 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9763 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9765 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9766 to try to avoid clobbering pieces of structures when we know
9767 something about the whole structure.
9768 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9770 2006-01-13 Ben Elliston <bje@au.ibm.com>
9772 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9773 return in memory, as this is no limitation is no longer present.
9775 2006-01-12 DJ Delorie <dj@redhat.com>
9777 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9778 mova with fb, and for fb+0 -> An.
9780 * config/m32c/mov.md (peephole2): Fix enabling logic.
9782 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9783 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9784 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9785 FINI_ARRAY_SECTION_ASM_OP): Define.
9787 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9789 (m32c_legitimize_reload_address): New logic to reload FB to An.
9790 (m32c_output_reg_push): Add newline.
9791 (m32c_output_reg_pop): Likewise.
9793 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9795 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9797 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9799 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9801 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9803 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9806 2006-01-11 Ben Elliston <bje@au.ibm.com>
9808 * rtlanal.c (find_reg_note): Assert insn is not null.
9810 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9812 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9815 2006-01-11 Jeff Law <law@redhat.com>
9817 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9819 (mark_threaded_blocks, register_jump_thread): New functions.
9820 (thread_through_all_blocks): Remove unwanted argument. No
9821 longer rely on e->aux to communicate thread target info.
9822 Call mark_threaded_blocks. Release the threaded_blocks
9823 bitmap and threaded_edges vector when complete.
9824 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9825 (threaded_blocks): Remove.
9826 (tree_ssa_dominator_optimize): Remove initialization and
9827 finalization of threaded_blocks. Simplify call to
9828 thread_through_all_blocks.
9829 (thread_across_edge): Call register_jump_thread rather than
9830 storing thread information into e->aux.
9831 (free_all_edge_infos): Simplify now that e->aux is no longer
9832 used to communicate with thread_through_all_blocks.
9833 * tree-flow.h (thread_through_all_blocks): Update prototype.
9834 (register_jump_thread): Prototype.
9836 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9838 * df-core.c (df_compact_blocks, df_bb_replace): Use
9839 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9841 2006-01-11 Richard Guenther <rguenther@suse.de>
9843 PR tree-optimization/25734
9844 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9845 stop propagation after successful propagation to the LHS.
9847 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9849 * basic-block.h (control_flow_graph): Change the type of
9850 x_basic_block_info to VEC(basic_block,gc) *.
9851 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9853 (SET_BASIC_BLOCK): New.
9854 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9855 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9856 * cfgbuild.c (find_basic_blocks): Likewise.
9857 * cfglayout.c (fixup_reorder_chain): Likewise.
9858 * cfgrtl.c (create_basic_block_structure,
9859 rtl_create_basic_block): Likewise.
9860 * ifcvt.c (find_if_case_1): Likewise.
9861 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9864 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9866 * Makefile.in: Removed rotted odf.c entry.
9868 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9871 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9872 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9873 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9874 output pattern modifier, not %e.
9875 * config/cris/cris.c (cris_op_str): Update comment about pattern
9877 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9878 before falling through into...
9879 <case 'E'>: Redefined from old 'e' case.
9881 2006-01-11 Jan Hubicka <jh@suse.cz>
9884 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9886 2006-01-11 Jan Hubicka <jh@suse.cz>
9888 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9889 * i386.c (x86_decompose_lea): Kill.
9890 (ix86_rtx_costs): Kill.
9892 2006-01-11 Jan Hubicka <jh@suse.cz>
9894 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9895 * cgraph.h (cgraph_node): Add inline_decl.
9896 (cgraph_insert_node_to_hashtable): Declare.
9897 (save_inline_function_body): Declare.
9898 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9900 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9901 (cgraph_function_versioning): Update call of tree_function_versioning.
9902 (save_inline_function_body): New function.
9903 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9904 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9905 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9906 (cgraph_default_inline_p): Likewise.
9907 (cgraph_decide_inlining_incrementally): Likewise.
9908 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9909 (copy_bb): Kill saving; do updating of clones.
9910 (copy_cfg_body): Kill saving.
9911 (initialize_inlined-parameters): Likewise.
9912 (expand_call_inline): Likewise.
9914 (tree_function_versioning): New parameter "update_clones".
9915 (inlining_p): Kill saving.
9916 * tree-inline.h (tree_function_versioning): Update prototype.
9917 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9920 2006-01-11 Ian Lance Taylor <ian@airs.com>
9922 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9923 Allow undoing set of machine mode.
9924 (do_SUBST): Use enums instead of is_int.
9925 (do_SUBST_MODE): New function.
9926 (SUBST_MODE): New macro.
9927 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9928 reg and trying to replace reg_regno_rtx with a new register.
9929 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9930 (simplify_set): Use SUBST_MODE.
9931 (distribute_notes): Remove code that tried to update reg notes
9932 for regno_reg_rtx changes.
9934 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9936 PR tree-optimization/23109
9937 PR tree-optimization/23948
9938 PR tree-optimization/24123
9940 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9941 * tree-cfg.c (single_noncomplex_succ): New.
9942 * tree-flow.h (single_noncomplex_succ): Declare it.
9943 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9944 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9945 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9946 insert_bb, register_division_in, insert_reciprocals,
9947 replace_reciprocal, free_bb): New.
9948 (execute_cse_reciprocals_1): Rewritten.
9949 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9950 Do not commit any edge insertion. Always compute dominators and
9951 create the allocation pool.
9952 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9953 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9954 * targhooks.c (default_min_divistions_for_recip_mul): New.
9955 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9956 * passes.c (init_optimization_passes): Run recip after tree loop
9958 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9960 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9961 Kenneth Zadeck <zadeck@naturalbridge.com>
9963 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9964 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9965 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9966 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9967 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9968 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9969 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9970 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9971 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9972 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9973 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9974 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9975 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9976 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9977 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9978 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9979 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9980 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9981 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9982 DF_SCAN_POST_ALLOC): New macros.
9983 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9984 df_free_bb_function, df_local_compute_function, df_init_function,
9985 df_dataflow_function, df_confluence_function_0,
9986 df_confluence_function_n, df_transfer_function,
9987 df_finalizer_function, df_free_function, df_dump_problem_function,
9988 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9989 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9990 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9991 df_urec_bb_info, ) New types.
9992 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9994 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9995 df_analyze_simple_change_some_blocks,
9996 df_analyze_simple_change_one_block, df_compact_blocks,
9997 df_bb_replace, df_bb_regno_last_use_find,
9998 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9999 df_insn_regno_def_p, df_find_def, df_find_use,
10000 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10001 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10002 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10003 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10004 debug_df_chain, df_get_dependent_problem, df_chain_create,
10005 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10006 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10007 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10008 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10009 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10010 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10011 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10012 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10013 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10014 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10015 df_reorganize_refs, df_set_state, df_hard_reg_init,
10016 df_read_modify_subreg_p) New public functions.
10017 * df-core.c: The core dataflow solver and glue routines for rtl
10019 (df_init, df_add_problem, df_set_blocks, df_finish,
10020 df_hybrid_search_forward, df_hybrid_search_backward,
10021 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10022 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10023 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10024 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10025 df_reg_defined, df_find_use, df_reg_used, df_dump,
10026 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10027 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10028 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10029 debug_df_useno, reset_df_after_reload): New functions.
10030 * df-scan.c: The scanning fuctions, once in df.c, completely
10031 rewritten so that they now fully model the functionality of
10032 register usage at the backend.
10033 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10034 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10035 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10036 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10037 df_get_artificial_defs, df_get_artificial_uses,
10038 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10039 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10040 df_refs_delete, df_reorganize_refs, df_set_state,
10041 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10042 df_def_record_1, df_defs_record, df_uses_record,
10043 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10044 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10045 df_record_exit_block_uses, df_hard_reg_init): New functions.
10047 * df-problems.c: Seven concrete dataflow problems that use the
10048 scanning in df-scan.c and are solved by the engine in df-core.c.
10049 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10050 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10051 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10052 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10053 df_ru_free_bb_info, df_ru_alloc,
10054 df_ru_bb_local_compute_process_def,
10055 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10056 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10057 df_ru_transfer_function, df_ru_free, df_ru_dump,
10058 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10059 df_rd_free_bb_info, df_rd_alloc,
10060 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10061 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10062 df_rd_transfer_function, df_rd_free, df_rd_dump,
10063 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10064 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10065 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10066 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10067 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10068 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10069 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10070 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10071 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10072 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10073 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10074 df_urec_mark_reg_use_for_earlyclobber,
10075 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10076 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10077 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10078 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10079 df_chain_create_bb_process_use, df_chain_create_bb,
10080 df_chain_finalize, df_chain_free, df_chains_dump,
10081 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10082 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10083 df_reg_lifetime): New functions.
10084 * df.c: Deleted file.
10085 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10086 consistent with new df api.
10087 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10088 rest_of_handle_sms): Ditto.
10089 * web.c (unionfind_union, union_defs, entry_register, web_main):
10091 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10092 invariant_expr_equal_p, find_defs, check_dependencies,
10093 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10094 free_inv_motion_data, move_loop_invariants): Ditto.
10095 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10096 Update dependencies.
10097 (odf.c): Added defective entry that was deleted later in day.
10098 * sched-deps.c (sched_analyze_1): Ditto.
10100 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10102 * tree-ssa-operands.c (get_expr_operands): Record addressable
10103 variables directly. Do not call add_stmt_operands for CONST_DECLs
10105 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10106 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10108 2006-01-11 Ben Elliston <bje@au.ibm.com>
10110 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10111 function returns true in the positive case.
10113 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10116 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10117 for SI, DI, SF and DF modes. Add alternatives to copy between
10118 general and floating point registers to the 32-bit patterns.
10119 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10120 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10121 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10122 generating 64-bit code.
10123 * config/pa/pa.c (output_move_double): Handle copies between general
10124 and floating registers.
10126 2006-01-10 Stuart Hastings <stuart@apple.com>
10128 * config/i386/i386.md (set_got): Update.
10129 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10130 (builtin_setjmp_receiver): Mach-O support.
10131 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10132 (GOT_SYMBOL_NAME): Define.
10133 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10134 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10135 * config/i386/i386.c (override_options): Revise for Darwin.
10136 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10137 support. (darwin_x86_file_end): New. (output_set_got): Add label
10138 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10139 * config/i386/i386-protos.h (output_set_got): Likewise.
10140 * config/darwin.c (machopic_legitimize_pic_address): Update
10143 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10145 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10146 when MODE isn't BLKmode.
10148 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10150 PR rtl-optimization/25367
10151 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10153 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10156 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10157 for a negative bound.
10159 2006-01-10 Richard Guenther <rguenther@suse.de>
10161 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10162 Never override with anything constraint.
10164 2006-01-10 Jan Beulich <jbeulich@novell.com>
10166 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10167 256 bits when optimize_size.
10169 2006-01-10 Jan Beulich <jbeulich@novell.com>
10171 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10173 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10174 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10177 2006-01-10 Ben Elliston <bje@au.ibm.com>
10179 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10181 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10182 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10183 (USE_FP_FOR_ARG): Reject decimal float modes.
10184 (function_arg_advance): Likewise.
10185 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10186 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10187 point types in AltiVec vectors.
10188 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10189 (rs6000_libcall_value): Likewise.
10191 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10193 * config/xtensa/ieee754-df.S: New file.
10194 * config/xtensa/ieee754-sf.S: New file.
10195 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10196 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10197 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10199 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10201 * config/sh/predicates.md (binary_float_operator,
10202 binary_logical_operator, commutative_float_operator,
10203 equality_comparison_operator, greater_comparison_operator,
10204 less_comparison_operator, logical_operator,
10205 noncommutative_float_operator, shift_operator,
10206 symbol_ref_operand, unary_float_operator): Remove redundant
10209 2006-01-09 Jeff Law <law@redhat.com>
10211 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10212 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10213 now unused arguments. Callers updated.
10214 (eliminate_redundant_computations): Remove now unused arguments,
10216 (local_fold): Remove, no longer used.
10217 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10219 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10220 (simplify_cond): New function.
10221 (forward_propagate_into_cond): Call simplify_cond.
10223 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10225 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10226 (*vec_extractv2di_1_sse): New.
10228 2006-01-09 Ben Elliston <bje@au.ibm.com>
10230 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10232 2006-01-08 Richard Guenther <rguenther@suse.de>
10234 * tree-ssa-structalias.c (get_constraint_for): Remove
10235 anyoffset argument.
10236 (get_constraint_for_component_ref): Likewise.
10237 (do_deref): Likewise.
10238 (get_constraint_for): Likewise.
10239 (do_structure_copy): Likewise.
10240 (handle_ptr_arith): Likewise.
10241 (find_func_aliases): Likewise. Remove unused need_anyoffset
10244 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10245 Kaz Kojima <kkojima@gcc.gnu.org>
10247 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10248 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10249 (EXTRA_CONSTRAINT_C16): Remove.
10250 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10251 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10252 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10253 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10254 constants of SHmedia. Handle nested constant expressions of
10256 (andcosts): Fix the costs for SHmedia constants.
10257 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10258 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10259 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10260 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10261 (movv4hi_i, movv2si_i): Likewise.
10262 (movsi_const): Adjust the second operand of ior so to match with
10263 the Csu constraint.
10264 (movdi_const, movdi_const_32bit): Likewise.
10265 (movdi_const_16bit+1): Don't sign-extend LOW.
10266 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10268 (*double_shori): Fix the split condition. Use GEN_INT instead
10269 of get_int_mode calls. Mask lower 16-bit of the argument of
10271 (sym2GOTPLT): Remove.
10272 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10274 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10275 instead of EXTRA_CONSTRAINT_C16.
10277 2006-01-07 Ian Lance Taylor <ian@airs.com>
10278 David Edelsohn <edelsohn@gnu.org>
10280 PR rtl-optimization/25662
10281 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10282 for constant operands instead of simplify_gen_binary.
10283 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10284 after trying simplify_binary_operation
10286 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10288 * tree.c (iterative_hash_expr): Hash decls based on UID.
10290 2006-01-06 Eric Christopher <echristo@apple.com>
10292 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10293 (TARGET_UNWIND_EMIT): Fix spelling.
10294 * target.h (gcc_target): Add except_table_label.
10295 * except.c (output_function_exception_table): Use.
10296 * varasm.c (default_emit_except_table_label): New.
10297 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10299 (asm_out): Add here.
10300 * output.h (default_emit_except_table_label): Prototype.
10301 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10302 * config/darwin.c (darwin_emit_except_table_label): Define.
10303 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10305 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10307 PR tree-optimization/18527
10308 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10309 number_of_iterations_special, number_of_iterations_exit):
10310 Move base and step of an iv to a single structure. Add
10311 no_overflow flag, and use it in # of iterations analysis.
10312 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10313 folded_casts argument.
10314 (simple_iv): Pass base and step in a structure. Set no_overflow
10316 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10317 Evaluate expensiveness of computing # of iterations instead of
10318 the final expression.
10319 * tree-scalar-evolution.h (affine_iv): New structure.
10320 (simple_iv): Declaration changed.
10321 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10322 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10323 find_givs_in_stmt): Changed due to simple_iv change.
10325 2006-01-06 Jeff Law <law@redhat.com>
10328 * tree-cfg.c (bsi_replace): Rename final argument from
10329 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10330 change (stmt -> orig_stmt).
10331 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10332 (bsi_remove): Add new argument. Remove EH information
10334 (verify_eh_throw_table_statements): New function.
10335 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10337 * tree-optimize.c (execute_free_cfg_annotations): Verify
10338 the EH throw statement table after removing annotations.
10339 * except.h (verify_eh_throw_table_statements): Prototype.
10340 * tree-flow.h (bsi_remove): Update prototype.
10341 * tree-vrp.c (remove_range_assertions): Add new argument to
10343 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10344 * tree-complex.c (expand_complex_div_wide): Likewise.
10345 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10346 * tree-tailcall.c (eliminate_tailcall): Likewise.
10347 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10348 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10349 * tree-nrv.c (tree_nrv): Likewise.
10350 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10351 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10352 (combine_blocks): Likewise.
10353 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10354 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10355 (cleanup_control_flow): Likewise.
10356 (remove_forwarder_block): Likewise.
10357 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10358 * tree-sra.c (sra_replace): Likewise.
10359 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10360 (forward_propagate_single_use_vars): Likewise.
10361 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10362 * tree-inline.c (expand_call_inline): Likewise.
10363 * tree-vect-transform.c (vect_transform_loop): Likewise.
10364 * tree-outof-ssa.c (rewrite_trees): Likewise.
10365 * tree-cfg.c (make_goto_expr_edges): Likewise.
10366 (cleanup_dead_labels): Likewise.
10367 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10368 (bsi_move_before, bsi_move_after): Likewise.
10369 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10370 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10372 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10375 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10377 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10378 on non gimple variables. Also add checks at the top for decls and
10380 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10382 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10383 and IMAGPART_EXPR for creating MUST_DEFs.
10384 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10385 and NAME_MEMORY_TAG separately from the DECLs.
10387 2006-01-06 Richard Guenther <rguenther@suse.de>
10389 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10390 annotation, if necessary.
10391 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10392 redundant calls to update_stmt.
10393 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10396 2006-01-05 Richard Henderson <rth@redhat.com>
10398 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10400 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10402 * c-typeck.c: Update copyright date.
10404 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10406 * c-typeck.c (build_c_cast): Always warn when casting
10407 from a pointer to an integer of different size, even if
10408 the node was constant.
10410 2006-01-05 Richard Guenther <rguenther@suse.de>
10412 PR tree-optimization/22555
10413 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10414 if one structure field is an array.
10415 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10416 operands even if we found a subvar, but ignore VOPs in this
10418 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10420 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10422 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10424 PR middle-end/24998
10425 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10427 2006-01-05 Richard Guenther <rguenther@suse.de>
10428 Diego Novillo <dnovillo@redhat.com>
10430 * tree-pass.h (TODO_remove_unused_locals): Define.
10431 * gimple-low.c (expand_var_p, remove_useless_vars,
10432 pass_remove_useless_vars): Remove. Update all users.
10433 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10434 (remove_unused_locals): New function.
10435 * tree-flow.h (remove_unused_locals): Declare.
10436 * passes.c (execute_todo): Call remove_unused_locals if
10437 TODO_remove_unused_locals is set.
10438 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10439 * tree-ssa-dce.c (pass_dce): Likewise.
10440 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10442 2006-01-05 Richard Guenther <rguenther@suse.de>
10444 * tree-flow.h (struct fieldoff): Decompose field to
10445 type, size and decl.
10446 * tree-ssa-alias.c (create_sft): Take type as parameter.
10447 (create_overlap_variables_for): Store type, size and decl
10448 in the fieldoff structure.
10449 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10450 of struct fieldoff.
10451 (push_fields_onto_fieldstack): Likewise.
10452 (create_variable_info_for): Likewise. Use offset for the
10453 SFT name if the decl is not available.
10455 2006-01-04 Paul Brook <paul@codesourcery.com>
10457 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10459 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10461 * lambda-code.c (can_put_in_inner_loop): Relax
10463 (can_put_after_inner_loop): New function.
10464 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10465 (perfect_nestify): Change to make copies and modify uses.
10467 2006-01-04 Richard Henderson <rth@redhat.com>
10469 Merge from gomp branch:
10470 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10471 via integer constant.
10472 (pragma_lex): Remove.
10473 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10474 rather than parsing it.
10475 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10476 handle_pragma_extern_prefix): Add %< %> quotes.
10477 (registered_pragmas): New.
10478 (c_register_pragma_1): New.
10479 (c_register_pragma): Use it.
10480 (c_register_pragma_with_expansion): Likewise.
10481 (c_invoke_pragma_handler): New.
10482 (init_pragma): Use cpp_register_deferred_pragma directly for
10484 * c-pragma.h (enum pragma_kind): New.
10485 (pragma_handler): New.
10486 (c_invoke_pragma_handler): Declare.
10487 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10489 * c-common.h (c_common_pch_pragma): Update decl.
10490 * Makefile.in (c-parser.o): Update dependencies.
10491 (GTFILES): Add c-pragma.h.
10492 * c-parser.c (struct c_token): Add pragma_kind.
10493 (struct c_parser): Add in_pragma.
10494 (c_lex_one_token): Always initialize keyword and pragma_kind.
10495 Extract data for CPP_PRAGMA.
10496 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10497 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10498 Don't allow CPP_PRAGMA_EOL if in_pragma.
10499 (c_parser_consume_pragma): New.
10500 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10501 (c_parser_skip_to_end_of_parameter): Likewise.
10502 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10503 (c_parser_skip_to_pragma_eol): New.
10504 (c_parser_external_declaration): Handle CPP_PRAGMA.
10505 (c_parser_compound_statement_nostart): Likewise.
10506 (c_parser_statement_after_labels): Likewise.
10507 (c_parser_pragma): New.
10508 (pragma_lex): Likewise.
10509 (c_parser_pragma_pch_preprocess): New.
10510 (c_parser_new): Merge into ...
10511 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10513 2006-01-04 Jeff Law <law@redhat.com>
10516 * tree-cfg.c (bsi_replace): Remove the original statement
10517 from the EH throw statement table.
10519 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10521 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10522 make the prototype extern "C" and add throw ().
10525 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10526 and pos non-negative and pos + len <= 32.
10527 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10528 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10529 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10532 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10533 as well as sizes not multiple of component size.
10536 * function.c (instantiate_expr): New function.
10537 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10538 walk its DECL_VALUE_EXPR with instantiate_expr.
10540 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10541 DW_OP_deref{,_size} if address isn't going to be added.
10543 2006-01-04 Ben Elliston <bje@au.ibm.com>
10545 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10546 * config/fp-bit.c: Likewise.
10548 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10550 * dominance.c: Add comment about why we use DFS numbering
10553 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10554 Richard Henderson <rth@redhat.com>
10556 Merge from gomp-branch:
10557 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10558 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10560 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10562 PR rtl-optimization/25578
10563 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10564 pass a parameter to simplify_shift_const if changing ASHIFTRT
10567 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10569 * builtins.c (get_builtin_sync_mem): New function.
10570 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10571 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10572 Call get_builtin_sync_mem to generate mem rtx.
10574 2006-01-03 Richard Guenther <rguenther@suse.de>
10577 * stmt.c (add_case_node): Make sure to clear overflow flags
10580 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10582 Merge from gomp-branch.
10583 * config/sparc/sync.md: New file.
10584 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10585 UNSPECV_LDSTUB): New constants.
10586 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10587 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10588 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10591 2006-01-03 Roger Sayle <roger@eyesopen.com>
10593 * combine.c (reg_subword_p): New predicate to test whether the
10594 destination of a set refers to a subword/piece of a register.
10595 (try_combine): Generalize the code to merge the setting of a
10596 pseudo to a constant followed by a set of a subword of that
10597 register to a constant.
10599 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10601 * basic-block.h (control_flow_graph): Change the type of
10602 x_label_to_block_map to VEC(basic_block,gc) *.
10603 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10604 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10606 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10607 VEC(basic_block,heap) *.
10608 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10609 ssa_prop_fini): Adjust the uses of cfg_blocks.
10611 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10613 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10615 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10616 hashing trees instead of a pointer hash.
10617 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10618 compare for MEM_EXPR.
10620 PR rtl-optimization/25130
10621 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10622 when comparing MEMs for GCSE
10624 2006-01-03 Ben Elliston <bje@au.ibm.com>
10626 * targhooks.h (default_decimal_float_supported_p): Declare.
10627 * targhooks.c (default_decimal_float_supported_p): Define.
10628 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10629 `default_decimal_float_supported_p'.
10630 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10632 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10634 * combine.c (apply_distributive_law <SUBREG>): Check
10635 TRULY_NOOP_TRUNCATION.
10637 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10639 * dwarf2out.c (have_switched_text_section): Delete.
10640 (have_multiple_function_sections): New.
10641 (have_location_lists): Make 'bool'.
10642 (add_AT_loc_list): Use 'true' not '1'.
10643 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10644 (output_loc_list): Use have_multiple_function_sections.
10645 (output_ranges): Likewise.
10646 (dwarf2out_begin_function): Set have_multiple_function_sections if
10648 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10649 Check function_section rather than DECL_SECTION_NAME.
10650 (dwarf2out_finish): Use have_multiple_function_sections.
10651 Don't clear have_location_lists.
10653 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10654 Jan Hubicka <jh@suse.cz>
10656 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10657 case of conditional jump jumping to the next instruction.
10658 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10659 cases of conditional jump jumping to the next instruction.
10661 2006-01-02 Jan Hubicka <jh@suse.cz>
10663 * i386.c (*_cost): Add COSTS_N_INSNS.
10664 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10666 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10669 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10671 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10673 * config/arm/arm.c (all_fpus): Fix comment typo.
10674 * config/darwin.c: Likewise.
10675 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10676 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10677 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10679 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10681 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10682 (rs6000_split_compare_and_swapqhi): New.
10683 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10684 (sync_compare_and_swapqhi_internal): New.
10685 * config/rs6000/rs6000-protos.h: Declare.
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