1 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
7 2006-05-11 Richard Guenther <rguenther@suse.de>
10 * fold-const.c (fold_unary): Handle intermediate conversion
11 to a pointer type like intermediate conversion to an integer
12 type in folding of (T1)(T2)var to var.
13 Match the code to the comment in the final conversion for
14 (T1)(T2)var to (T1)var regarding to type precision. Rather
15 than disallow T1 being of pointer type, assert that both T1
16 and var are of pointer type or not. Make sure not to fall
17 over the frontends lazyness wrt array to pointer decay though.
19 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
21 * arm.c (arm_struct_value_rtx): Delete.
22 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
23 (arm_init_cumulative_args): Always initialize nregs to zero.
25 2006-05-10 Richard Guenther <rguenther@suse.de>
27 PR tree-optimization/27532
28 * tree-object-size.c (plus_expr_object_size): Fix typo.
30 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
33 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
34 ashrdi_const, ashrdi3): Use a scratch register.
36 2006-05-10 Richard Guenther <rguenther@suse.de>
38 PR tree-optimization/27302
39 * fold-const.c (operand_equal_p): For two comparisons,
40 try comparison of one comparison code swapped if that yields
43 2006-05-10 Ben Elliston <bje@au.ibm.com>
45 * tree-pretty-print.c (pretty_print_string): No need to handle
46 '\0' as a special character.
48 * tree.h: Include "hashtab.h".
49 (iterative_hash_expr): Use hashval_t in its prototype.
50 * Makefile.in (TREE_H): Add $(HASHTAB_H).
52 2006-05-09 Steve Ellcey <sje@cup.hp.com>
55 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
56 (hppa*64*-*-hpux11*): Ditto.
57 (hppa[12]*-*-hpux11*): Ditto.
59 2006-05-09 David Edelsohn <edelsohn@gnu.org>
62 * config/rs6000/aix41.h (TARGET_64BIT): Define.
64 2006-05-09 Michael Matz <matz@suse.de>
66 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
67 host_extra_gcc_objs and host_xmake_file.
68 (<*-*-linux*>): Don't overwrite host_xmake_file.
69 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
70 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
71 (host_detect_local_cpu): Declare.
72 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
73 * config/i386/i386.c (override_options): Handle -mtune=native
75 * config/i386/x-i386: New file.
76 * config/i386/driver-i386.c: New file.
77 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
80 2006-05-09 Dirk Mueller <dmueller@suse.de>
81 Richard Guenther <rguenther@suse.de>
84 * fold-const.c (fold_read_from_constant_string): Relax check
85 for matching types to matching modes.
87 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
89 PR rtl-optimization/27335
90 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
93 2006-05-08 Chao-ying Fu <fu@mips.com>
94 Richard Sandiford <richard@codesourcery.com>
96 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
97 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
98 * config/mips/mips.md (UNSPEC_SCC): New constant.
99 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
100 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
101 (mips_emit_compare): Use it.
102 (mips_expand_vcondv2sf): New function.
104 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
106 Fix PR tree-optimization/27093
107 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
108 renaming when they become not-used_alone.
110 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
112 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
113 relocation and relocation stubs.
115 2006-05-08 Eric Christopher <echristo@apple.com>
117 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
120 2006-05-08 Jan Hubicka <jh@suse.cz>
123 * cgraphunit.c (decide_is_function_needed): When not optimizing even
124 unused static functions are needed.
126 2006-05-08 Roger Sayle <roger@eyesopen.com>
129 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
130 of a reg_equiv_constant if the result is a legitimate constant.
132 2006-05-08 Uros Bizjak <uros@kss-loka.si>
135 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
136 standard 80387 constants, raise the cost to prevent
137 compress_float_constant() to generate load from memory.
139 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
141 * config/arm/constraints.md (c): Fix a typo.
143 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
146 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
149 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
151 (_mm_mwait): Likewise.
153 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
155 (sse3_monitor): Make it 32bit only.
156 (sse3_monitor64): New. 64bit monitor.
158 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
161 * config/i386/i386.c (classify_argument): Skip fields with invalid
164 2006-05-07 Richard Guenther <rguenther@suse.de>
166 PR tree-optimization/27409
167 * tree-ssa-structalias.c (get_constraint_for_component_ref):
168 Do not try to find zero-sized subvars.
170 2006-05-07 Richard Guenther <rguenther@suse.de>
172 PR tree-optimization/27136
173 * tree-ssa-loop-niter.c (get_val_for): Correct function
174 comment, assert requirements.
175 (loop_niter_by_eval): Stop processing if the iterated
176 value did not simplify.
178 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
180 * opts.c (flag_see): remove its setting at -O3.
182 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
184 * genpeep.c (main): Make insn-peep.c depend on flags.h.
185 * arm/constraints.md: New file.
186 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
187 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
188 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
189 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
190 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
191 (EXTRA_MEMORY_CONSTRAINT): Likewise.
192 * arm.md: Include constraints.md.
193 (thumb_movsi_insn): Use satisfies_constraint_J.
194 (movhi, movqi): Use satisfies_constraint_I.
196 2006-04-29 Anatoly Sokolov <aesok@post.ru>
198 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
199 for atmeg a645 device.
201 2006-05-06 Richard Guenther <rguenther@suse.de>
203 PR tree-optimization/27151
204 * tree-vect-transform.c (vectorizable_condition): Punt on
205 values that have a different type than the condition.
207 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
210 * c-parser.c (c_parser_cast_expression): Only insert casts into
211 hash table if pointer.
212 * function.c (used_types_insert_helper): Rename from
214 (used_types_insert): Call used_types_insert_helper.
215 * function.h (used_types_insert): Accept only one argument.
217 2006-05-05 David Edelsohn <edesohn@gnu.org>
219 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
220 scratch with output modifier.
222 2006-05-04 David Edelsohn <edelsohn@gnu.org>
225 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
226 with output modifier.
228 2006-05-04 Richard Sandiford <richard@codesourcery.com>
231 * config/mips/mips.c (mips_symbolic_address_p): Return true
232 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
233 SYMBOL_GOTTPREL, and SYMBOL_TLS.
235 2006-05-04 Richard Guenther <rguenther@suse.de>
237 PR tree-optimization/14287
238 PR tree-optimization/14844
239 PR tree-optimization/19792
240 PR tree-optimization/21608
241 PR tree-optimization/27090
242 * tree-ssa-pre.c (try_combine_conversion): New function.
243 (compute_avail): After constructing the value-handle
244 expression, use try_combine_conversion to combine NOP_EXPRs
245 with previous value-handle expressions and use the result if it
248 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
250 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
252 2006-05-04 Jan Hubicka <jh@suse.cz>
255 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
257 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
259 * config/bfin/predicates.md (const01_rtx): Tell generator programs
260 that this only matches CONST_INTs. All users changed to VOIDmode
263 * config/bfin/bfin.c: Include "optabs.h".
264 (bfin_rtx_costs): Some costs for vector operations, to allow combine
266 (enum bfin_builtins): Add a number of fractional and vector builtins.
267 (bfin_init_builtins): Likewise.
268 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
269 (safe_vector_operand, bfin_expand_binop_builtin,
270 bfin_expand_unop_builtin): New functions.
271 (bfin_expand_builtin): Handle the new builtins.
272 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
275 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
278 * Makefile.in (OBJS-common): Add see.o.
279 (see.o): Add dependencies.
280 * common.opt (fsee): New flag for the see optimization was added.
281 * opts.c (flag_see): Initialized.
282 * passes.c (init_optimization_passes, pass_see): New pass.
283 * rtl.h (see_main): Declaration as extern.
284 * timevar.def (TV_SEE): New.
285 * tree-pass.h (pass_see): Declaration as extern.
286 * invoke.texi (-fsee): Document.
287 * recog.c (validate_simplify_insn): New function.
288 * recog.h (validate_simplify_insn): Declaration as extern.
289 * df-problems.c (df_chain_dump): Check for NULL.
291 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
292 Daniel Berlin <dberlin@dberlin.org>
294 * cfgrtl.c (insert_insn_bb_end_new): New function.
295 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
297 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
299 * df.h (struct web_entry): Moved from web.c.
300 (union_defs): Declaration as extern.
301 (unionfind_root): Likewise.
302 (unionfind_union): Likewise.
303 * web.c (struct web_entry): Moved to df.h.
304 (unionfind_root): Remove static declaration.
305 (unionfind_union): Likewise.
306 (union_defs): Likewise and generalize to use callback function.
307 (web_main): Update arguments for union_defs function call.
309 2006-05-04 Richard Guenther <rguenther@suse.de>
311 PR tree-optimization/26447
312 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
313 produce SSA_NAME copies before the store stmt to avoid
314 breaking exception handling.
316 2006-05-04 Jakub Jelinek <jakub@redhat.com>
319 * gimplify.c (omp_is_private): If var is shared in some outer context,
320 return false instead of true. Stop searching on parallel context
323 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
326 * coverage.c: Use get_gcov_unsigned_t() instead of
327 unsigned_type_node all over.
329 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
331 PR tree-optimization/27381
332 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
333 maintain the same immediate_use links.
334 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
335 node rather than segfaulting.
337 2006-05-03 Jakub Jelinek <jakub@redhat.com>
340 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
341 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
342 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
344 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
346 Fix PR tree-optimization/26626
347 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
349 * tree-ssa-operands.c (access_can_touch_variable): Allow
350 typecasting through union pointers.
352 2006-05-02 Jakub Jelinek <jakub@redhat.com>
355 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
356 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
357 to find if var will be a global variable even in the nested context.
358 (omp_copy_decl): Only check for global variable at the end, it might
359 be overridden in outer contexts.
360 (scan_sharing_clauses): For global variables don't create a field.
361 (lower_rec_input_clauses): Do nothing for global shared variables.
362 Emit a barrier at the end of ILIST if there were any decls in both
363 firstprivate and lastprivate clauses.
364 (lower_send_clauses): Do nothing for global variables except for
367 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
369 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
370 of the correct signedness is returned.
372 2006-05-02 Jeff Law <law@redhat.com>
374 PR tree-optimization/27364
375 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
376 multiply expressions.
378 2006-05-02 Tom Tromey <tromey@redhat.com>
380 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
382 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
385 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
386 -mthumb -fPIC are used.
388 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
389 Joshua Kinard <kumba@gentoo.org>
392 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
393 with 64-bit pointers.
395 2006-05-02 Paul Brook <paul@codesourcery.com>
397 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
399 (create_fix_barrier): Check that a suitable barrier location is
401 (arm_reorg): Include ftmp->address in allowable range of addresses.
403 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
406 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
409 2006-05-02 Jakub Jelinek <jakub@redhat.com>
412 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
413 around RESULT_DECL for result passed by reference.
414 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
415 * omp-low.c (use_pointer_for_field): Don't look at
416 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
417 (scan_omp_1): Call remap_decl on RESULT_DECLs.
418 (lower_rec_input_clauses): Don't allocate VLA memory for the second
419 time or var for passing by reference for
420 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
421 TREE_ADDRESSABLE variables when passing by reference.
423 * omp-low.c (dump_omp_region): Fix output formatting.
426 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
427 (expand_omp_parallel): Likewise.
428 * tree-cfg.c (move_sese_region_to_fn): Likewise.
431 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
432 on statement list containing also constructors and destructors.
433 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
436 * except.c (duplicate_eh_regions): Fix clearing of
437 cfun->eh->region_array entries.
439 2006-05-01 DJ Delorie <dj@redhat.com>
441 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
443 (gcc_cv_objdump): Likewise.
444 * configure: Regenerated.
446 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
449 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
450 templates for case 3 and 4.
452 2006-05-01 DJ Delorie <dj@redhat.com>
454 * vec.c: Include bconfig.h when appropriate.
455 * Makefile.in (build/vec.o): Adjust dependencies.
456 * mkconfig.sh: Make sure config.h isn't used for build machine
459 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
461 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
463 (mark_phi_for_rewrite): New function.
464 (insert_phi_nodes_for, mark_use_interesting): Call
465 mark_phi_for_rewrite.
466 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
467 (update_ssa): Initialize and free phis_to_rewrite.
469 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
471 PR rtl-optimization/27291
472 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
473 folded to a constant.
475 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
477 PR tree-optimization/27283
478 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
479 not whole # of iteration descriptions.
480 (niter_for_exit): Return just # of iterations. Fail if # of iterations
481 uses abnormal ssa name.
482 (niter_for_single_dom_exit): Ditto.
483 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
484 return just the number of iterations.
486 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
488 PR tree-optimization/27144
489 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
490 (record_estimate): Only record constant upper bound.
491 (infer_loop_bounds_from_undefined): Call
492 compute_estimated_nb_iterations just once.
493 (proved_non_wrapping_p): Renamed to ...
494 (n_of_executions_at_most): ... this. Expect bound to be a constant.
495 (convert_step_widening, scev_probably_wraps_p): Call
496 n_of_executions_at_most instead of proved_non_wrapping_p.
497 (substitute_in_loop_info): Do not replace values in bounds.
498 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
501 2006-05-01 Richard Henderson <rth@redhat.com>
504 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
505 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
508 2006-05-01 Roger Sayle <roger@eyesopen.com>
510 * c-typeck.c (parser_build_binary_op): Don't call the function
511 unsigned_conversion_warning to spot operand/result type overflow.
512 (build_binary_op): Instead, call convert_and_check instead of
513 convert to report the problem when the operands are promoted.
514 * c-common.c (unsigned_conversion_warning): Make static.
515 * c-common.h (unsigned_conversion_warning): Delete prototype.
517 2006-05-01 Richard Guenther <rguenther@suse.de>
519 PR tree-optimization/26726
520 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
522 (find_interesting_uses_address): ... we work around here
523 by folding INDIRECT_REFs in the substituted base.
525 2006-05-01 Diego Novillo <dnovillo@redhat.com>
527 * omp-low.c (dump_omp_region): Add newlines.
529 2006-04-30 Roger Sayle <roger@eyesopen.com>
531 * common.opt (Woverflow): New command line option.
532 * c-common.c (constant_expression_warning): Check warn_overflow.
533 (overflow_waring): Pass OPT_Woverflow to warning.
534 (unsigned_conversion_warning): Likewise.
535 (convert_and_check): Likewise.
536 * doc/invoke.texi: Document new command line option.
538 2006-04-30 David Edelsohn <edelsohn@gnu.org>
540 * config/rs6000/rs6000.c (rs6000_override_options): Enable
541 TARGET_NO_FP_IN_TOC for section anchors.
542 (optimization_options): Enable section anchors for all
543 non-"Objective" languages.
545 2006-04-28 Eric Christopher <echristo@apple.com>
547 * config/darwin-c.c (darwin_ms_struct): Move this
548 (darwin_set_default_type_attributes): and this...
549 * config/darwin.c: ... here.
550 * config/darwin.h (darwin_ms_struct): Declare.
552 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
554 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
556 2006-04-28 Roger Sayle <roger@eyesopen.com>
559 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
560 (push_array_bounds): Delete prototype. Change BOUNDS argument to
561 an unsigned HOST_WIDE_INT.
562 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
564 (really_start_incremental_init): No need to call convert because
565 bitsize_zero_node is already of type bitsizetype.
566 (push_init_level): Extract the value of constructor_index as an
567 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
568 (process_init_element): Likewise.
570 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
572 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
573 value before passing to make_relative_prefix.
575 2006-04-28 Alan Modra <amodra@bigpond.net.au>
578 * builtins.c (expand_builtin_memset): Expand val in original mode.
580 2006-04-27 Eric Christopher <echristo@apple.com>
582 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
584 * config/darwin-c.c (darwin_ms_struct): New.
585 (darwin_pragma_ms_struct): Ditto.
586 (darwin_set_default_type_attributes): Ditto.
587 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
588 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
589 Register ms_struct pragma.
590 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
591 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
592 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
593 darwin_set_default_type_attributes if TARGET_MACHO.
595 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
597 PR tree-optimization/26854
598 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
599 * doc/tree-ssa.texi: Update immuse iterator documentation.
600 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
601 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
602 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
603 first_safe_imm_use, next_safe_imm_use): Remove.
604 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
605 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
606 (move_use_after_head): New. Helper function to sort immuses in a stmt.
607 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
608 (first_imm_use_stmt): New. Get first stmt in an immuse list.
609 (next_imm_use_stmt): New. Get next stmt in an immuse list.
610 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
611 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
612 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
613 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
614 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
615 (perfect_nestify): Use new iterator.
616 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
618 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
619 (next_imm_name): New field in struct immediate_use_iterator_d.
620 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
621 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
622 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
623 * tree-cfg.c (replace_uses_by): Use new iterator.
624 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
625 * tree-ssa-operands.c (correct_use_link): Remove.
626 (finalize_ssa_use_ops): No longer call correct_use_link.
628 2006-04-27 Stuart Hastings <stuart@apple.com>
630 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
631 * config/t-darwin (crt3.o): Use it.
632 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
633 'pmode', use Pmode instead of SImode for SYMBOL_REF.
634 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
635 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
636 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
639 2006-04-27 Roger Sayle <roger@eyesopen.com>
641 * expmed.c (store_fixed_bit_field): If we're not optimizing for
642 size, force the intermediate into a new pseudo rather instead of
643 performing both a bitwise AND and a bitwise IOR in memory.
645 2006-04-27 Richard Guenther <rguenther@suse.de>
647 PR rtl-optimization/26685
648 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
649 this one "max-flow-memory-locations".
651 2006-04-27 Richard Guenther <rguenther@suse.de>
653 PR tree-optimization/25148
654 * tree-vrp.c (compare_values): Remove code dealing with
655 comparisons against type min/max value. Honour overflow
656 and negative constants in code dealing with comparisons
657 of plus and minus expressions.
658 (value_inside_range): Use fold_binary with LE_EXPR and
659 GE_EXPR rather than compare_values.
661 2006-04-27 Dirk Mueller <dmueller@suse.de>
663 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
666 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
668 * basic-block.h (safe_insert_insn_on_edge): Removed.
669 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
671 2006-04-26 David Edelsohn <edelsohn@gnu.org>
672 Paolo Bonzini <bonzini@gnu.org>
675 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
676 (simplify_and_const_int): Same.
678 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
680 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
682 2006-04-26 Jakub Jelinek <jakub@redhat.com>
685 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
686 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
687 cgraph_global_info_ready.
690 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
693 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
694 either decl or init is error_mark_node.
697 * tree-flow.h (struct omp_region): Add sched_kind.
698 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
699 instead of extracting omp for data.
700 (expand_omp_for): Save extracted sched_kind.
702 2006-04-25 Roger Sayle <roger@eyesopen.com>
704 * expmed.c (store_bit_field): Also check whether the bitsize is
705 valid for the machine's "insv" instruction before moving the
706 target into a pseudo for use with the insv.
707 * config/i386/predicates.md (const8_operand): New predicate.
708 * config/i386/i386.md (extv, extzv, insv): Use the new
709 const8_operand predicate where appropriate.
711 2006-04-25 DJ Delorie <dj@redhat.com>
713 * doc/install.texi (Specific): Clarify that this is not a list of
714 supported hosts or targets.
716 2006-04-25 Richard Sandiford <richard@codesourcery.com>
718 PR rtl-optimization/26725
719 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
720 block's BB_DIRTY flag.
722 2006-04-25 Geoffrey Keating <geoffk@apple.com>
724 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
727 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
730 2006-04-25 David Edelsohn <edelsohn@gnu.org>
732 * varasm.c (align_variable): New function.
733 (get_block_for_decl): Apply align_variable to DECL before
734 calculating section information.
735 (assemble_variable): Split out alignment computation.
737 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
739 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
742 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
744 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
745 MODE_PARTIAL_INT mode.
746 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
747 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
749 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
750 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
752 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
754 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
756 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
757 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
758 MACFLAG_IH): Likewise.
759 (movstricthi_1): Renamed from "*movstricthi".
760 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
761 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
762 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
763 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
764 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
765 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
766 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
767 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
768 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
769 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
770 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
771 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
772 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
773 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
774 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
776 * doc/rtl.texi (ss_ashift): Improve wording.
778 2006-04-24 Geoffrey Keating <geoffk@apple.com>
780 * dwarf2out.c (verify_marks_clear): New.
781 (prune_unused_types): Call verify_marks_clear initially, not
784 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
786 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
787 * doc/rtl.texi: Document them.
788 * simplify-rtx.c (simplify_unary_operation,
789 simplify_binary_operation_1): Don't abort when we see them.
791 2006-04-24 Mark Mitchell <mark@codesourcery.com>
794 2006-04-23 Mark Mitchell <mark@codesourcery.com>
795 * configure.ac: Completely disregard languages that are not
797 * configure: Regenerated.
799 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
800 Richard Guenther <rguenther@suse.de>
802 PR tree-optimization/27236
803 * tree-inline.c (copy_body_r): Make sure to copy
804 TREE_THIS_VOLATILE flag.
806 2006-04-24 Richard Guenther <rguenther@suse.de>
809 * tree-complex.c (update_parameter_components): Don't handle
810 unused parameters which have no default def.
812 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
813 Richard Guenther <rguenther@suse.de>
815 PR tree-optimization/27218
816 * tree-inline.c (expand_call_inline): Strip useless type
817 conversions for the return slot address.
819 2006-04-24 Richard Guenther <rguenther@suse.de>
821 * cfgloop.h (struct loops): Remove unused field array. Reorder
823 (LOOP_PREFETCH): Remove.
825 2006-04-24 Richard Guenther <rguenther@suse.de>
827 PR tree-optimization/22525
828 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
829 variable, adjust types of generated expressions.
831 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
833 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
834 (tree-vect-patterns.o): Likewise.
836 (cselib.o): Likewise.
837 (loop-doloop.o): Likewise.
838 (regclass.o): Likewise.
839 (reload1.o): Likewise.
840 (explow.o): Replace target.h with $(TARGET_H).
841 (ipa-prop.o): Likewise.
842 (ipa-cp.o): Likewise.
843 (ipa-inline.o): Likewise.
845 (reg-stack.o): Likewise.
847 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
849 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
851 2006-04-23 Mark Mitchell <mark@codesourcery.com>
853 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
855 * configure.ac: Completely disregard languages that are not
857 * configure: Regenerated.
860 * c-common.h (c_build_bitfield_integer_type): Declare.
861 * c-decl.c (c_build_bitfield_integer_type): Move to ...
862 * c-common.c (c_build_bitfield_integer_type): ... here.
864 2006-04-23 Roger Sayle <roger@eyesopen.com>
867 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
868 a SImode SUBREG of a floating point register after no_new_pseudos.
870 2006-04-23 Roger Sayle <roger@eyesopen.com>
872 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
873 identify potentially eliminable registers to additionally catch
874 VIRTUAL_INCOMING_ARGS_REGNUM.
875 (addsi3): Update the conditions on when to use addsi_small_int.
877 2006-04-23 Roger Sayle <roger@eyesopen.com>
880 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
881 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
882 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
884 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
886 * fold-const.c (range_predecessor): Use operand_equal_p
887 as the predicate for equality.
888 (range_successor): Likewise.
890 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
893 * config/soft-fp/op-common.h: Fix a typo.
895 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
898 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
899 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
901 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
903 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
905 * doc/tm.texi: Fix a typo.
907 2006-04-21 Geoffrey Keating <geoffk@apple.com>
909 * dwarf2out.c (struct die_struct): Document that die_sib makes
910 a circular linked list.
911 (FOR_EACH_CHILD): New.
912 (reverse_die_lists): Delete.
913 (reverse_all_dies): Delete.
914 (add_dwarf_attr): Correct documentation.
915 (remove_child_with_prev): New.
916 (remove_child_TAG): Update for change to die_struct, use
917 remove_child_with_prev.
918 (add_child_die): Update for change to die_struct.
919 (splice_child_die): Use remove_child_with_prev and add_child_die.
920 (print_die): Use FOR_EACH_CHILD.
921 (die_checksum): Likewise.
922 (assign_symbol_names): Likewise.
923 (output_location_lists): Likewise.
924 (build_abbrev_table): Likewise.
925 (calc_die_sizes): Likewise.
926 (mark_dies): Likewise.
927 (unmark_dies): Likewise.
928 (unmark_all_dies): Likewise.
929 (output_die): Likewise.
930 (prune_unused_types_mark): Likewise.
931 (prune_unused_types_walk): Likewise.
932 (same_die_p): Update for change to die_struct.
933 (break_out_includes): Likewise.
934 (prune_unused_types_prune): Likewise.
935 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
936 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
938 (dwarf2out_finish): Don't call reverse_all_dies.
940 2006-04-21 Eric Christopher <echristo@apple.com>
942 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
943 in comments and function names.
945 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
948 * c-typeck.c (digest_init): Robustify.
950 * c-typeck.c (pop_init_level): Simplify.
952 2006-04-21 Steve Ellcey <sje@cup.hp.com>
954 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
956 2006-04-21 Paul Brook <paul@codesourcery.com>
958 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
959 hardware floating point.
961 2006-04-21 David Edelsohn <edelsohn@gnu.org>
963 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
966 2006-04-21 Nick Clifton <nickc@redhat.com>
968 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
971 2006-04-21 Alan Modra <amodra@bigpond.net.au>
974 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
975 C++ lang type in traceback table for Objective-C++.
977 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
979 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
981 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
983 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
986 * tree-mudflap.c (mudflap_finish_file): Skip function when there
987 were errors. Remove check for erroneous objects.
989 2006-04-20 Jeff Law <law@redhat.com>
991 PR tree-optimization/26854
992 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
993 checking for zero or one use.
994 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
995 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
996 * tree-ssa-reassoc.c (negate_value): Similarly.
997 (reassociate_bb): Similarly.
999 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1001 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1002 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1003 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1005 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1007 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1008 fp regs if the last fp arg doesn't fit in regs.
1010 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1013 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1014 that the last insn has the REG_INC note.
1016 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1017 Nathan Sidwell <nathan@codesourcery.com>
1020 * stor-layout.c (update_alignment_for_field): Do not align
1022 (place_union_field): Place union field at the start of the union.
1023 (place_field): Move ERROR_MARK check later, and use the current
1024 allocation position to maintain monotonicity.
1026 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1028 * dominance.c: Include timevar.h.
1029 (calculate_dominance_info): Use TV_DOMINANCE.
1030 * timevar.def (TV_DOMINANCE): New timevar.
1031 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1033 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1035 PR rtl-optimization/14261
1036 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1037 move would be an INSV insn.
1038 (noce_process_if_block): Don't optimize if the destination is a
1039 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1041 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1043 * config/s390/s390.md: Add comments with the instructions emitted
1044 by an insn pattern if macros are used.
1046 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1048 PR rtl-optimization/26026
1049 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1050 is a known power of two shifted left a variable amount.
1052 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1054 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1055 to hash table twice when the debug_str section has SECTION_MERGE.
1057 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1059 * config/soft-fp: New directory. From glibc.
1060 * config/soft-fp/t-softfp: New.
1061 * config/soft-fp/README: New.
1062 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1063 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1064 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1065 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1066 * config.gcc: Use rs6000/t-fprules-fpbit or
1067 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1069 * config/rs6000/sfp-machine.h: New. Based on glibc.
1070 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1072 * config/rs6000/t-fprules: Remove fp-bit rules.
1073 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1074 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1075 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1076 (softfp_wrap_start, softfp_wrap_end): New.
1078 2006-04-18 DJ Delorie <dj@redhat.com>
1080 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1082 2006-04-18 Devang Patel <dpatel@apple.com>
1084 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1086 2006-04-18 Nick Clifton <nickc@redhat.com>
1088 * config/sh/t-symbian: Add rule to build sh-c.o
1089 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1090 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1091 (sh_symbian_encode_section_info): Likewise.
1093 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1095 * builtins.c (expand_builtin_strcmp): Cover label definition of
1096 do_libcall with HAVE_cmpstrnsi.
1098 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1100 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1102 * function.h (temp_slot_p): New.
1103 (function): Change the type of x_used_temp_slots to
1104 VEC(temp_slot_p,gc) *.
1106 2006-04-18 Nick Clifton <nickc@redhat.com>
1108 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1109 flag_strength_reduce.
1111 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1113 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1117 Partial revert of revision 112637
1118 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1119 Dale Johannesen <dalej@apple.com>
1122 * regclass.c (struct reg_pref): Update documentation.
1123 (regclass): Set prefclass to NO_REGS if memory is the best option.
1124 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1126 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1128 PR tree-optimization/26821
1129 * tree-ssa-math-opts.c (get_constant_one): New.
1130 (insert_reciprocals): Use it.
1132 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1134 * dwarf2out.c (free_AT): Delete.
1135 (remove_AT): Update string ref counts.
1136 (remove_child_TAG): Don't call free_die.
1138 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1139 or DW_TAG_GNU_EINCL.
1140 (prune_unused_types_walk_attribs): Reset string refcounts.
1141 (prune_unused_types_update_strings): New.
1142 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1143 call free_die. Do call prune_unused_types_update_strings.
1144 (prune_unused_types): Empty debug_str_hash.
1146 2006-04-17 Roger Sayle <roger@eyesopen.com>
1148 * expr.c (expand_assignment): Optimize away no-op moves where the
1149 source and destination are equal and have no side-effects.
1151 2006-04-17 Richard Guenther <rguenther@suse.de>
1154 * reload.c (push_reload): Guard calls to get_secondary_mem
1157 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1159 * alias.c (reg_base_value, old_reg_base_value): Change the
1160 type to VEC(rtx,gc) *.
1161 (REG_BASE_VALUE, find_base_value, record_set,
1162 init_alias_analysis): Use VEC instead of VARRAY.
1164 * alias.c (alias_sets): Change the type to
1165 VEC(alias_set_entry,gc) *.
1166 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1167 VEC instead of VARRAY.
1168 (last_alias_set): Remove.
1170 * cgraph.h (cgraph_edge_p): New.
1171 Update the prototype of cgraph_function_versioning.
1172 * cgraphunit.c (cgraph_copy_node_for_versioning,
1173 cgraph_function_versioning): Use VEC instead of VARRAY.
1174 * ipa-cp.c (ipcp_insert_stage): Likewise.
1176 2006-04-16 Roger Sayle <roger@eyesopen.com>
1179 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1180 "A op B" or "A op C", we may need to convert A to the type of B and C.
1182 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1184 * target.h (struct gcc_target): Add mode_rep_extended.
1185 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1186 (init_num_sign_bit_copies_in_rep): Initialize it using
1188 (truncate_to_mode): Use it.
1189 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1190 * targhooks.h (default_mode_rep_extended): Declare it.
1191 * targhooks.c (default_mode_rep_extended): Define it.
1192 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1193 default_mode_rep_extended.
1194 (TARGET_INITIALIZER): Include it.
1195 * doc/tm.texi (Misc): Document it.
1196 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1197 (mips_truncated_to_mode): New function.
1199 2006-04-16 Roger Sayle <roger@eyesopen.com>
1202 * expr.c (compress_float_constant): Copy the narrow constant into
1203 a new pseudo before extending it to its final width.
1205 2006-04-16 Roger Sayle <roger@eyesopen.com>
1206 Andrew Pinski <pinskia@gcc.gnu.org>
1207 Dale Johannesen <dalej@apple.com>
1210 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1211 special case code to implement V8HImode and V16QImode with SSE2.
1213 2006-04-15 Roger Sayle <roger@eyesopen.com>
1215 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1216 trees are constructed with a suitable tree type.
1218 2006-04-15 Roger Sayle <roger@eyesopen.com>
1220 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1221 (integer_onep): Likewise.
1222 (integer_all_onesp): Likewise.
1223 (integer_pow2p): Likewise.
1224 (integer_nonzerop): Likewise.
1225 (real_zerop): Likewise.
1226 (real_onep): Likewise.
1227 (real_twop): Likewise.
1228 (real_minus_onep): Likewise.
1229 (int_size_in_bytes): Likewise.
1230 (host_integerp): Likewise.
1232 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1234 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1235 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1236 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1238 * tree-ssa-structalias.h (alias_info): Remove num_references.
1240 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1242 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1243 (output_bvb patterns): Likewise.
1244 * pa.c (output_bb): Use 'bb' insn for long branch case.
1245 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1246 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1247 1. Correct length operand for alternatives 1 and 2.
1248 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1249 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1251 2006-04-14 Roger Sayle <roger@eyesopen.com>
1253 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1254 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1255 were accidentally reverted by r112959.
1257 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1260 * except.h (eh_region_outermost): New prototype.
1261 * except.c (eh_region_outermost): New function.
1262 * tree-cfg.c (find_outermost_region_in_block): Use it.
1264 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1266 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1268 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1269 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1270 (init_reload, reload): Use VEC instead of VARRAY.
1271 * reload.h: Update the prototype for
1272 reg_equiv_memory_loc_varray.
1274 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1275 Eric Botcazou <ebotcazou@libertysurf.fr>
1277 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1280 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1283 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1284 to expand fallback builtin function call.
1286 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1289 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1290 and emit libcall here in case the builtin fails.
1291 (expand_builtin_strcmp): Always emit the libcall here on failure.
1293 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1295 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1296 * flow.c (reg_n_info): Change the type to
1297 VEC(reg_info_p,heap) *.
1298 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1300 * regs.h (reg_info_p): New.
1301 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1302 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1303 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1306 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1308 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1310 * params.h (MAX_SCHED_READY_INSNS): New macro.
1311 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1312 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1313 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1314 the ready list for 1 cycle during the first scheduling pass.
1315 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1317 2006-04-13 Richard Henderson <rth@redhat.com>
1320 * gimple-low.c (lower_omp_directive): Remove dead code.
1321 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1322 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1323 * omp-low.c (struct omp_region): Move to tree-flow.h.
1324 (root_omp_region): Export.
1325 (omp_regions, lookup_omp_region): Remove.
1326 (determine_parallel_type): Update for struct omp_region changes.
1327 (dump_omp_region): Dump regions with block numbers.
1328 (new_omp_region): Take type and block instead of stmt; malloc
1330 (free_omp_region_1, free_omp_regions): New.
1331 (expand_parallel_call): Take entry_stmt as argument; update for
1332 changes to omp_region.
1333 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1334 (remove_exit_barriers): New.
1335 (expand_omp_parallel): Update for struct omp_region changes.
1336 (expand_omp_synch): Likewise.
1337 (expand_omp): Likewise.
1338 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1339 (expand_omp_for_static_chunk): Likewise.
1340 (expand_omp_for): Likewise.
1341 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1342 (expand_omp_sections): Similarly, with GOMP_sections_end.
1343 (expand_omp_single): New.
1344 (build_omp_regions_1): Update for OMP_CONTINUE.
1345 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1346 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1347 OMP_SECTIONS_SECTIONS.
1348 (lower_omp_single_simple): Don't emit barrier here.
1349 (lower_omp_single_copy): Likewise.
1350 (lower_omp_single): Fix bindings, and lower to straightline now.
1351 (lower_omp_master, lower_omp_ordered): Likewise.
1352 (lower_omp_critical): Likewise.
1353 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1354 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1355 omp edges, free it afterward.
1356 (make_omp_sections_edges): Remove.
1357 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1358 (move_stmt_r): Handle OMP_CONTINUE.
1359 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1360 statement pointers to basic blocks. Add type member.
1361 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1362 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1363 * tree-inline.c (estimate_num_insns_1): Likewise.
1364 * tree-pretty-print.c (dump_generic_node): Likewise.
1365 * tree-ssa-operands.c (get_expr_operands): Likewise.
1366 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1367 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1368 (OMP_CONTINUE): New.
1369 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1370 (OMP_SECTIONS_SECTIONS): Remove.
1371 (OMP_SECTION_LAST): New.
1372 (OMP_RETURN_NOWAIT): New.
1374 2006-04-13 Roger Sayle <roger@eyesopen.com>
1376 * fold-const.c (native_encode_vector, native_interpret_real):
1377 Correct obvious mistakes in the previous check-in.
1379 2006-04-13 Roger Sayle <roger@eyesopen.com>
1381 * fold-const.c (native_encode_expr): New function to encode
1382 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1383 or VECTOR_CST into a specified buffer.
1384 (native_encode_int): New function.
1385 (native_encode_real): New function.
1386 (native_encode_complex): New function.
1387 (native_encode_vector): New function.
1388 (native_interpret_expr): Inverse of native_encode_expr to convert
1389 a target representation into an INTEGER_CST, REAL_CST etc...
1390 (native_interpret_int): New function.
1391 (native_interpret_real): New function.
1392 (native_interpret_complex): New function.
1393 (native_interpret_vector): New function.
1394 (fold_view_convert_expr): New function to constant fold/evaluate
1395 a VIEW_CONVERT_EXPR of a suitable constant expression.
1396 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1397 Change call of build1 to fold_build1 when constructing a
1400 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1401 Ulrich Weigand <uweigand@de.ibm.com>
1404 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1407 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1410 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1411 optimize to lo_sum for DFmode if !TARGET_FPRS.
1413 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1415 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1416 delete_alias_info, compute_flow_sensitive_aliasing,
1417 group_aliases): Use VEC instead of VARRAY.
1418 * tree-ssa-structalias.c (update_alias_info): Likewise.
1419 * tree-ssa-structalias.h (alias_info): Change the type of
1420 processed_ptrs to VEC(tree,heap) *.
1422 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1425 * config/sh/lib1funcs.h: New file, broken out of:
1426 * config/sh/lib1funcs.asm.
1427 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1429 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1430 * config/sh/lib1funcs-Os-4-200.asm: New file.
1431 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1432 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1433 (EXTRA_MULTILIB_PARTS): Include it.
1434 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1435 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1436 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1437 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1440 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1442 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1443 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1444 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1446 * tree-ssa-live.h: Include vecprim.h.
1447 (tree_partition_associator_d): Change the type of
1448 first_partition to VEC(int,heap) *.
1449 (tpa_first_partition): Use VEC instead of VARRAY.
1451 * Makefile.in (GTFILES): Move functions.h after tree.h.
1452 * function.c (reset_block_changes, record_block_change,
1453 check_block_change, free_block_changes): Use VEC instead of
1455 * function.h (function): Change the type of
1456 ib_boundaries_block to VEC(tree,gc) *.
1457 * tree-inline.c (copy_cfg_body): Initialize
1458 ib_boundaries_block to NULL instead of (varray_type) 0.
1460 2006-04-12 Roger Sayle <roger@eyesopen.com>
1462 * expr.c (emit_group_store): Correct operand order in call to
1463 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1464 a SUBREG_BYTE of zero.
1466 2006-04-12 Richard Guenther <rguenther@suse.de>
1468 * profile.c (compute_branch_probabilities): Remove code
1469 encapsulated in !ir_type (), which are remanents of the
1470 removed RTL profiling code.
1471 * rtl-profile.c: Remove.
1473 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1475 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1476 magic NULL_RTX comment.
1477 (function_arg): Store entire fp arg to mem if any part should go
1479 (rs6000_arg_partial_bytes): Adjust for above change.
1481 2006-04-11 Roger Sayle <roger@eyesopen.com>
1483 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1484 if it hasn't been initialized by dwarf2out_init.
1486 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1488 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1489 symbolic constants in branch patterns.
1491 2006-04-11 Roger Sayle <roger@eyesopen.com>
1493 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1495 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1497 PR rtl-optimization/27073
1498 * gcse.c (try_replace_reg): Revert last change. Continue to search
1499 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1502 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1504 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1505 aggregate types other than record and union types.
1506 (function_arg): Likewise.
1507 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1509 (function_value): In 64-bit mode, return objects that require it
1512 2006-04-11 Roger Sayle <roger@eyesopen.com>
1514 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1516 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1518 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1520 2006-04-03 Jeff Law <law@redhat.com>
1523 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1524 alias information too.
1526 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1528 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1530 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1533 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1534 (premark_used_types_helper): New.
1535 (premark_used_types): New.
1536 (gen_subprogram_die): Call premark_used_types.
1537 (prune_unused_types_walk): Do not prune perennial dies.
1538 * function.c (used_types_insert): New.
1539 * function.h (struct function): Add used_types_hash field.
1540 (used_types_insert): Add prototype.
1541 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1542 * c-parser.c (c_parser_cast_expression): Save casted types in used
1545 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1548 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1549 rs6000_explicit_options.float_gprs.
1551 2006-04-10 Roger Sayle <roger@eyesopen.com>
1553 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1554 from ix86_expand_vector_init_low_nonzero. Take an additional
1555 one_var argument indicating which element is non-zero. Support
1556 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1557 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1558 with one_var instead of ix86_expand_vector_init_low_nonzero.
1560 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1562 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1563 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1564 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1565 build/genextract.o): Depend on vecprim.h.
1566 * cfglayout.c, df-problems.c, function.c, genextract.c,
1567 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1568 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1572 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1574 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1575 Declare VECs of this type.
1576 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1577 (remove_children): Delete.
1578 (add_dwarf_attr): Use VEC routines.
1579 (add_AT_flag): Update for changes to add_dwarf_attr.
1580 (add_AT_int): Likewise.
1581 (add_AT_unsigned): Likewise.
1582 (add_AT_long_long): Likewise.
1583 (add_AT_vec): Likewise.
1584 (add_AT_string): Likewise.
1585 (add_AT_die_ref): Likewise.
1586 (add_AT_fde_ref): Likewise.
1587 (add_AT_loc): Likewise.
1588 (add_AT_loc_list): Likewise.
1589 (add_AT_addr): Likewise.
1590 (add_AT_lbl_id): Likewise.
1591 (add_AT_lineptr): Likewise.
1592 (add_AT_macptr): Likewise.
1593 (add_AT_offset): Likewise.
1594 (add_AT_range_list): Likewise.
1595 (get_AT): Use VEC_iterate.
1596 (remove_AT): Use VEC_ordered_remove.
1597 (free_die): Fold remove_children into here; have it use VEC_iterate.
1598 (print_die): Use VEC_iterate on attrs.
1599 (reverse_die_lists): Don't reverse attr lists.
1600 (die_checksum): Use VEC_iterate on attrs.
1601 (same_die_p): Likewise.
1602 (output_location_lists): Likewise.
1603 (build_abbrev_table): Likewise.
1604 (size_of_die): Likewise.
1605 (unmark_all_dies): Likewise.
1606 (output_abbrev_section): Likewise.
1607 (output_die): Likewise.
1608 (prune_unused_types_walk_attribs): Likewise.
1610 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1612 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1614 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1617 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1619 2006-04-09 Roger Sayle <roger@eyesopen.com>
1621 * expr.c (store_constructor): Don't bother clearing target if
1622 we're about to assign a vector to it using vec_init_optab.
1624 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1626 * tree-ssa-alias.c (lhs_may_store_to): New function.
1627 (recalculate_used_alone): Handle LHS of calls.
1629 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1633 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1634 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1635 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1636 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1637 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1638 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1639 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1640 stubs. Add ".align 8" directives before all ".dword" directives.
1641 (GTHREAD_USE_WEAK): Revise comment.
1642 (TARGET_ATTRIBUTE_WEAK): Define.
1643 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1644 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1645 * stublib.c: New file.
1650 * pa.md (cbranch patterns): Revise arguments used in calls to
1651 output_cbranch, output_bb and output_bvd. Add long branch length
1653 (fbranch patterns): Handle long branches.
1654 (jump): Revise length check. Revise arguments for output_lbranch call.
1655 Add long branch length attributes.
1656 (decrement_and_branch_until_zero): Add long branch length attributes.
1657 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1658 Likewise. Revise arguments for output_parallel_addb and
1659 output_parallel_movb calls.
1660 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1661 output_parallel_movb and output_parallel_addb): Update prototypes.
1662 * pa.c (output_cbranch): Revise arguments. Correct handling of
1663 nullification in long branches.
1664 (output_lbranch): Add new argument to control extraction of delay
1666 (output_bb): Handle long branches.
1667 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1668 output_parallel_addb): Likewise.
1670 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1672 PR rtl-optimization/27073
1673 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1676 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1678 * tree.h (tree_memory_tag): Add old_used_alone.
1679 (SMT_OLD_USED_ALONE): New macro.
1680 * tree-ssa-alias.c (recalculate_used_alone): Stop
1681 marking things for renaming unnecessarily.
1683 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1685 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1686 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1687 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1688 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1689 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1690 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1691 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1692 spelling convensions.
1693 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1694 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1695 typos. Follow spelling conventions.
1697 2006-04-07 DJ Delorie <dj@redhat.com>
1699 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1700 passed on the stack.
1701 (m32c_init_cumulative_args): When a function returns a structure,
1702 always pass the pointer to that return area on the stack.
1703 (m32c_function_arg_advance): Don't increment the parameter number
1704 if we're processing the returned structure pointer.
1705 (pushm_info): Reverse order of registers.
1707 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1709 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1710 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1711 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1712 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1714 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1715 chrec_fold_multiply): Same.
1716 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1717 force_expr_to_var_cost): Same.
1718 * tree-mudflap.c (mf_xform_derefs_1): Same.
1719 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1721 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1723 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1724 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1727 2006-04-07 Jan Hubicka <jh@suse.cz>
1729 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1731 2006-04-07 Richard Guenther <rguenther@suse.de>
1733 PR tree-optimization/26135
1734 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1735 loads for store copy-prop.
1736 (copy_prop_visit_stmt): Likewise.
1738 2006-04-05 Robert Millan <robertmh@gnu.org>
1740 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1741 being overriden in config/k*bsd-gnu.h.
1742 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1744 * gcc/config/knetbsd-gnu.h: Ditto.
1746 2006-04-06 Jan Hubicka <jh@suse.cz>
1750 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1753 2006-04-06 Mike Stump <mrs@apple.com>
1755 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1756 for HAVE_nonlocal_goto to be consistent.
1757 (expand_builtin_nonlocal_goto): Likewise.
1758 (expand_builtin_strcmp): Use #ifdef instead of #if
1759 for HAVE_cmpstrnsi to be consistent.
1761 2006-04-05 DJ Delorie <dj@redhat.com>
1763 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1766 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1768 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1769 got-relative addressing for anything but SImode.
1771 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1772 even if the calling function doesn't modify them.
1774 2006-04-05 Richard Guenther <rguenther@suse.de>
1776 PR tree-optimization/26919
1777 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1778 to cgraph_estimate_size_after_inlining.
1780 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1782 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1784 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1786 PR tree-optimization/26996
1787 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1788 VECTOR_TYPE variables.
1790 2006-04-05 Richard Guenther <rguenther@suse.de>
1792 PR tree-optimization/26763
1793 * fold-const.c (fold_comparison): Move folding of
1794 PTR + CST CMP PTR + CST ...
1795 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1797 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1799 * doc/install.texi (Prerequisites): Refine some wording on
1800 bootstrapping and ksh.
1801 Move the version numbers of DejaGnu here from the testing section
1802 and fix casing of names.
1803 Fix markup and clarify wording for autogen requirements.
1804 Refer to GCJ instead of just java.
1805 Refer to SVN instead of CVS.
1806 Describe diffutils as useful instead of necessary.
1807 (Downloading the source): Refer to SVN instead of CVS.
1808 Adjust a link to our web site accordingly.
1809 (Configuration): Fix casing of Bison.
1810 (Building): Refer to SVN instead of CVS.
1811 Fix a sentence on the use of Bison and remove duplicate (and
1812 incorrect) version number of Bison requirement.
1813 Remove one redundant list of packages needed for building.
1814 (Specific): Avoid reference to CVS.
1816 2006-04-04 Eric Christopher <echristo@apple.com>
1818 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1819 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1820 (rs6000_handle_struct_attribute): New.
1821 (rs6000_ms_bitfield_layout_p): Ditto.
1823 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1825 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1826 NULL for dso parameter to atexit_common.
1828 2006-04-04 Eric Christopher <echristo@apple.com>
1830 * config/i386/i386.c (machopic_output_stub): Output \t
1831 between instructions and operands.
1833 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1835 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1836 satisfies_constraint_[IL] to explicit tests on value.
1838 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1840 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1841 set_nb_iterations_in_loop): Use build_int_cst instead of
1843 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1844 build_int_cst instead of convert.
1846 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1848 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1849 new value 2 for incoming.
1850 * function.c (expand_function_start): Call struct_value_rtx
1852 * config/sparc/sparc.md: Comment updated_return.
1853 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1854 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1855 struct return if sparc_std_struct_return and incoming is 2.
1856 (print_operand): Do not adjust return if
1857 sparc_std_struct_return.
1859 2006-04-04 Roger Sayle <roger@eyesopen.com>
1861 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1862 convert in the middle-end.
1863 * expr.c (store_expr, store_constructor, get_inner_reference,
1864 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1866 * tree.c (build_range_type): Likewise.
1868 2006-04-04 Tom Tromey <tromey@redhat.com>
1870 * doc/install.texi (Prerequisites): Mention jar.
1872 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1874 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1877 2006-04-04 Matthias Klose <doko@debian.org>
1879 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1880 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1883 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1885 * doc/extend.texi (Function Attributes): Rewrite visibility
1886 attribute documentation.
1887 * doc/invoke.texi (C++ Dialect Options): Rewrite
1888 -fvisibility-inlines-hidden documentation to describe something
1889 entirely different, although in practise compatible.
1890 (Code Gen Options): Warn about system headers in -fvisibiltity=
1893 * doc/extend.texi (Other Builtins): Document that
1894 __builtin_nan is a compile-time constant only when its argument
1897 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1899 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1900 trying to remove TRUNCATE check if all bits outside the new mode
1901 are identical to the sign bit.
1903 2006-04-03 Jeff Law <law@redhat.com>
1905 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1906 and operand scanning in some common cases.
1908 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1909 Dale Johannesen <dalej@apple.com>
1912 * regclass.c (struct reg_pref): Update documentation.
1913 (regclass): Set prefclass to NO_REGS if memory is the best option.
1914 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1915 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1916 into account. For non-registers, equate an empty preferred
1917 reload class to a `!' in the constraint; move the if clause to
1918 do so after those that reject the insn.
1919 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1921 (find_dummy_reload): Likewise.
1922 * doc/tm.texi (Register Classes): Document what it means
1923 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1924 * config/i386/i386.c (ix86_preferred_reload_class): Force
1925 using SSE registers (and return NO_REGS for floating-point
1926 constants) if math is done with SSE.
1927 (ix86_preferred_output_reload_class): New.
1928 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1929 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1930 * config/i386/i386.md: Remove # register preferences.
1932 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1935 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1936 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1937 the type of nb_iter.
1938 (instantiate_parameters_1): Convert the operands before calling
1939 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1940 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1942 2006-04-02 Roger Sayle <roger@eyesopen.com>
1944 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1945 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1947 * dojump.c (do_jump): Likewise.
1948 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1949 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1950 gimplify_boolean_expr): Likewise.
1951 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1952 * varasm.c (array_size_for_constructor): Likewise.
1953 * tree-object-size.c (compute_object_offset): Likewise.
1955 2006-04-02 Roger Sayle <roger@eyesopen.com>
1958 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1959 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1961 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1963 PR tree-optimization/26939
1964 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1966 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1968 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1969 at_stmt. Convert the type of operands before calling
1970 build_polynomial_chrec.
1971 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1973 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1974 (instantiate_parameters_1): Convert the type of operands before calling
1975 build_polynomial_chrec.
1976 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1977 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1978 reset_evolution_in_loop): Insert asserts to check the types of the
1980 (chrec_type): Moved...
1981 (eq_evolutions_p): Use operand_equal_p.
1982 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1983 the types of the operands.
1984 (chrec_type): ...here.
1985 * tree-data-ref.c (create_data_ref): Convert the operands before
1986 calling chrec_replace_initial_condition.
1987 (same_access_functions, analyze_subscript_affine_affine,
1988 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1989 (compute_subscript_distance, analyze_ziv_subscript,
1990 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1991 analyze_miv_subscript): Convert the operands before calling
1992 chrec_fold_minus or chrec_fold_plus.
1994 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1996 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1997 the dependence_relations vector.
1998 (compute_data_dependences_for_loop): Adjust call to
1999 compute_all_dependences.
2001 2006-04-01 Roger Sayle <roger@eyesopen.com>
2002 Richard Henderson <rth@redhat.com>
2004 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2005 gimple_boolify on the condition before calling gimplify_expr.
2007 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2009 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2010 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2011 the frame size. Update to use the new macros.
2012 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2013 * config/xtensa/ieee754-df.S: Likewise.
2015 2006-03-31 Richard Henderson <rth@redhat.com>
2017 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2018 (make_edges): ... here. Control fallthru creation with a local
2019 variable. Do not play with fake edges.
2020 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2021 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2024 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2026 * dwarf2.h (DW64_CIE_ID): Define.
2027 * dwarf2out.c (DWARF_CIE_ID): Define.
2028 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2029 length header. Use DWARF_CIE_ID.
2030 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2031 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2033 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2035 * config/sh/linux-atomic.asm: New file.
2036 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2038 2006-03-31 DJ Delorie <dj@redhat.com>
2040 * config/m32c/cond.md: Set condition flags properly throughout.
2041 * config/m32c/minmax.md: Likewise.
2042 * config/m32c/prologue.md: Likewise.
2043 * config/m32c/bitops.md: Likewise.
2044 * config/m32c/muldiv.md: Likewise.
2045 * config/m32c/mov.md: Likewise.
2046 * config/m32c/addsub.md: Likewise.
2047 * config/m32c/m32c.md: Likewise.
2048 * config/m32c/jump.md: Likewise.
2049 * config/m32c/shift.md: Likewise.
2051 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2052 conditionally output the pattern for this.
2053 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2054 (m32c_compare_redundant): New.
2055 (m32c_output_compare): New.
2056 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2058 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2059 dest, not src. Allow other 4-byte modes.
2061 2006-03-30 Denis Chertykov <denisc@overta.ru>
2063 * doc/md.texi: Refer to avr/constraints.md instead of
2066 2006-03-30 Roger Sayle <roger@eyesopen.com>
2068 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2069 signed vs. unsigned comparison failures on some hosts.
2071 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2074 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2075 change to FLOAT_REGS.
2077 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2078 (rs6000_override_options): Use it.
2079 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2080 only for -mabi=spe/no-spe and -mabi=altivec.
2082 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2084 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2087 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2089 * Makefile.in: Rename docdir to gcc_docdir.
2091 2006-03-30 Roger Sayle <roger@eyesopen.com>
2094 * expr.c (emit_group_store): Optimize group stores into a pseudo
2095 register by using a paradoxical subreg to initialize the destination
2096 if the first or last member of the group specifies a "low part".
2098 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2101 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2102 * target.h (struct gcc_target.speculate_insn): Change type of the
2103 second parameter to 'int'.
2104 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2105 the second operand of the DEPS_LIST.
2106 (copy_DEPS_LIST_list): Update reference to the second operand of the
2108 * rtl.h (alloc_DEPS_LIST): Update signature.
2109 * sched-int.h (ds_t): Change typedef to 'int'.
2110 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2112 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2114 * haifa-sched.c (try_ready): Change condition to restore
2115 non-speculative pattern of the instruction.
2116 (process_insn_depend_be_in_spec): Code to keep probability of the
2117 speculative dependence non-decreasing.
2119 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2121 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2122 (single_move_for_movmem): ... this. Also change all uses.
2123 (bfin_expand_strmov): Renamed to...
2124 (bfin_expand_movmem): ... this. Also change all uses.
2125 * config/bfin/bfin.md (movstrsi): Renamed to...
2126 (movstrsi): ...this.
2128 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2130 PR tree-optimization/26830
2132 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2133 (copy_prop_visit_stmt): Remove write-only variable ann.
2134 (init_copy_prop): Check variable loop depth here. Do not simulate
2135 memory-tag and virtual operand PHIs except for store copy prop.
2137 2006-03-30 Richard Guenther <rguenther@suse.de>
2139 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2140 variants with double arguments.
2142 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2144 * genpreds.c (write_tm_constrs_h): Delete variable p.
2145 * genconditions.c (write_header): Add tm-constrs.h to included
2147 * genpeep.c (main): Add toplev.h to included headers.
2148 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2149 (build/genpeep.o): Add toplev.h dependency.
2150 * config/rs6000/constraints.md: Add "W" constraint.
2152 2006-03-29 Roger Sayle <roger@eyesopen.com>
2154 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2155 sizes by correctly testing whether the size fits a host integer.
2156 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2157 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2158 SImode range for the default sizetype and bitsizetype.
2160 2006-03-29 Roger Sayle <roger@eyesopen.com>
2162 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2163 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2164 quickly if the argument is already of the correct type.
2165 Call fold_build1 instead of build1. Tidy up blank lines.
2167 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2169 * genemit.c (main): Add tm-constrs.h to included headers.
2170 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2171 * genpeep.c (main): Add tm-constrs.h to included headers.
2172 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2173 (write_tm_constrs_h): this and write complete file.
2174 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2175 (write_insn_preds_c): Add tm-constrs.h to included headers.
2176 (gen_constrs): New variable.
2177 (parse_option): Parse "-c".
2178 (main): Invoke write_tm_constrs_h.
2179 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2180 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2181 (object_out_file): Add tm-constrs.h dependency.
2182 (insn-emit.o): Same.
2183 (insn-output.o): Same.
2184 (insn-peep.o): Same.
2185 (insn-preds.o): Same.
2186 (insn-recog.o): Same.
2187 (tm-constsr.h): New target.
2188 (s-constrs-h): New target.
2190 * config/rs6000/constraints.md: New file.
2191 * config/rs6000/rs6000.c: Include tm-constrs.h.
2192 (num_insn_constant_wide): Convert to satisfies_constraint.
2193 (rs6000_rtx_costs): Convert to satisfies_constraint.
2194 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2195 (CONST_OK_FOR_LETTER_P): Delete.
2196 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2197 (EXTRA_CONSTRAINT): Delete.
2198 (EXTRA_MEMORY_CONSTRAINT): Delete.
2199 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2200 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2201 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2202 satisfies_constraint.
2204 * config/i386/i386.c: Include tm-constrs.h.
2206 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2208 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2209 * tree-data-ref.c (find_data_references_in_loop,
2210 compute_data_dependences_for_loop): Use pointers to VEC.
2211 (analyze_all_data_dependences): Adjust calls.
2212 * tree-data-ref.h (find_data_references_in_loop,
2213 compute_data_dependences_for_loop): Adjust declarations.
2214 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2215 compute_data_dependences_for_loop.
2217 2006-03-29 Paul Brook <paul@codesourcery.com>
2219 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2222 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2224 PR tree-optimization/26859
2225 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2227 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2228 for the step after fold_convert.
2230 2006-03-29 Paul Brook <paul@codesourcery.com>
2232 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2233 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2235 2006-03-29 Paul Brook <paul@codesourcery.com>
2238 * targhooks.c (default_narrow_bitfield): New fuction.
2239 * targhooks.h (default_narrow_bitfield): add prototype.
2240 * target.h (gcc_target): Add narrow_volatile_bitfield.
2241 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2242 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2243 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2244 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2246 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2248 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2250 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2251 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2252 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2253 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2254 (s390_function_arg_float): Allow SDmode and DDmode values to be
2255 passed in floating point registers.
2256 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2257 check with SCALAR_FLOAT_MODE_P.
2258 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2260 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2262 PR tree-optimization/25985
2263 * tree-ssa-loop-niter.c (number_of_iterations_le,
2264 number_of_iterations_ne): Make comments more precise.
2265 (number_of_iterations_cond): Add only_exit argument. Use the
2266 fact that signed variables do not overflow only when only_exit
2268 (loop_only_exit_p): New.
2269 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2270 number_of_iterations_cond.
2272 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2274 PR tree-optimization/26643
2275 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2278 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2280 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2281 (divsi3_i4_int): Likewise.
2283 2006-03-28 Roger Sayle <roger@eyesopen.com>
2285 * expr.c (emit_group_store): Only create a new pseudo reg if the
2286 quantity it needs to hold isn't already a suitable pseudo.
2288 2006-03-28 Jeff Law <law@redhat.com>
2290 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2291 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2293 2006-03-28 Roger Sayle <roger@eyesopen.com>
2295 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2296 the equivalent ~X & Y, and the symmetry related transformations.
2297 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2298 ~X & Y, and symmetry related transforms.
2300 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2302 Revert my 2006-03-27 patches.
2304 2006-03-28 Roger Sayle <roger@eyesopen.com>
2306 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2307 ~(T1)X, when T1 and T2 are integer types of the same precision
2308 and (T2)X isn't an extension.
2310 2006-03-28 Jeff Law <law@redhat.com>
2312 PR tree-optimization/26796
2313 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2314 need EH edge cleanups rather than purging them immediately.
2315 (eliminate_degenerate_phis): Handle queued EH cleanups.
2317 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2319 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2322 2006-03-27 Roger Sayle <roger@eyesopen.com>
2325 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2326 cast BIT_NOT_EXPR operand to the correct type.
2328 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2330 * tree-loop-linear.c: Don't include varray.h.
2331 (gather_interchange_stats, try_interchange_loops,
2332 linear_transform_loops): Use VEC instead of VARRAY.
2333 * lambda-mat.c: Don't include varray.h.
2334 * tree-chrec.c: Same.
2335 * lambda-trans.c: Same.
2336 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2337 VEC instead of VARRAY.
2338 * tree-vectorizer.h: Idem.
2339 * tree-data-ref.c (dump_data_references,
2340 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2341 initialize_data_dependence_relation, finalize_ddr_dependent,
2342 compute_all_dependences, find_data_references_in_loop,
2343 compute_data_dependences_for_loop, analyze_all_data_dependences,
2344 free_dependence_relation, free_dependence_relations,
2345 free_data_refs): Idem.
2346 * tree-data-ref.h (data_reference_p, subscript_p): New.
2347 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2348 VEC instead of VARRAY.
2349 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2350 (find_data_references_in_loop, compute_data_dependences_for_loop,
2351 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2352 dump_data_dependence_relations, free_dependence_relations,
2353 free_data_refs): Adjust declaration.
2354 (lambda_transform_legal_p): Move declaration here...
2355 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2356 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2357 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2358 vect_analyze_data_refs): Use VEC instead of VARRAY.
2359 * lambda.h (lambda_transform_legal_p): ...from here.
2360 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2361 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2362 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2363 tree-chrec.o): Don't depend on VARRAY_H.
2365 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2367 * rtl.def (Copyright): Update date.
2368 (DEPS_LIST): Change type of the second operand to 'int'.
2369 * target.h (Copyright): Update date.
2370 (struct gcc_target.speculate_insn): Change type of the second parameter
2372 * lists.c (Copyright): Update date.
2373 (alloc_DEPS_LIST): Change signature. Update reference to the second
2374 operand of the DEPS_LIST.
2375 (copy_DEPS_LIST_list): Update reference to the second operand of the
2377 * rtl.h (Copyright): Update date.
2378 (alloc_DEPS_LIST): Update signature.
2379 * sched-int.h (Copyright): Update date.
2380 (ds_t): Change typedef to 'int'.
2381 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2383 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2385 * haifa-sched.c (Copyright): Update date.
2386 (try_ready): Change condition to restore non-speculative pattern
2388 (process_insn_depend_be_in_spec): Code to keep probability of the
2389 speculative dependence non-decreasing.
2391 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2393 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2394 shut up the compiler.
2396 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2398 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2399 to use lib prefix for target.
2400 ($(T)libic_invalidate_array_4-200.a): Likewise.
2401 ($(T)libic_invalidate_array_4a.a): Likewise.
2403 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2404 J"orn Rennecke <joern.rennecke@st.com>
2406 * superh.opt: New file.
2407 * sh.c (boardtype, osruntime): Remove.
2408 * superh.h (SUBTARGET_OPTIONS): Remove.
2409 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2411 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2412 arguments with ^ and/or [].
2414 * config.gcc (sh-*-*): Add quoting to account for quirk of
2416 Replace == with = in enable_incomplete_targets test.
2418 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2419 with MASK_LITTLE_ENDIAN.
2421 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2422 * config/sh/sh.opt: Added to some comments.
2423 * config/sh/superh.h: Removed some chaff.
2425 * config/sh/sh.opt: Add m4-[1234]00* options.
2426 * config/sh/sh.c (sh_handle_option): Likewise.
2427 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2428 (ic_invalidate_array_4-100.o): New rule.
2429 ($(T)libic_invalidate_array_4-100.a): Likewise.
2430 (ic_invalidate_array_4-200.o): Likewise.
2431 ($(T)libic_invalidate_array_4-200.a): Likewise.
2432 (ic_invalidate_array_4a.o): Likewise.
2433 ($(T)libic_invalidate_array_4a.a): Likewise.
2434 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2435 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2437 * config/sh/crt1.asm: Merged in profiling code.
2438 * config/sh/superh.h (STARTFILE_SPEC): Override.
2439 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2440 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2441 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2443 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2444 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2445 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2447 * sh.opt (mpretend-cmove): New option.
2448 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2449 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2450 (movsicc): Add TARGET_PRETEND_CMOVE code.
2452 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2454 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2455 s390_class_max_nregs): New function prototypes.
2456 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2457 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2458 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2459 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2461 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2463 * dwarf2out.c (add_location_or_const_value_attribute): Call
2464 tree_add_const_value_attribute if nothing else works.
2465 (reference_to_unused): New.
2466 (rtl_for_decl_init): Use reference_to_unused to decide whether
2467 to output an initializer.
2469 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2472 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2473 peephole removing spe frob_di_df_2.
2475 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2477 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2478 (subscript_dependence_tester_1): Declared.
2479 (print_dir_vectors, print_dist_vectors): New.
2480 (debug_data_dependence_relation): New.
2481 (dump_data_dependence_relation): Print more details.
2482 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2483 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2484 (save_dist_v, save_dir_v, add_outer_distances,
2485 build_classic_dist_vector_1): New.
2486 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2487 Don't test for lambda_vector_lexico_pos.
2488 (same_access_functions, add_multivariate_self_dist,
2489 add_other_self_distances, dir_from_dist): New.
2490 (build_classic_dir_vector): Replace implementation almost identical to
2491 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2493 (subscript_dependence_tester_1): New.
2494 (subscript_dependence_tester): Handle the lexicographically negative
2495 distance vectors by recomputing the dependence relation.
2496 (compute_affine_dependence): Remove parameter loop_nest_depth.
2497 (compute_self_dependence): Don't call compute_subscript_distance.
2498 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2499 Add a parameter for the loop_nest.
2500 (find_loop_nest_1, find_loop_nest): New.
2501 (compute_data_dependences_for_loop): Compute the loop nest, and give
2502 up if the nest is not well formed.
2503 * tree-data-ref.h (loop_p): New.
2504 (struct data_dependence_relation): Replace size_vect field with
2505 loop_nest, a vec of loops.
2506 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2507 (DDR_LOOP_NEST): New.
2508 (print_dir_vectors, print_dist_vectors,
2509 debug_data_dependence_relation): Declared.
2510 (index_in_loop_nest): New.
2511 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2512 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2515 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2517 * simplify-rtx.c (simplify_relational_operation): Call
2518 simplify_relational_operation_1 even if mode is VOIDmode.
2520 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2522 PR tree-optimization/26804
2523 * tree.h (DECL_CALL_CLOBBERED): New macro.
2524 (tree_decl_common): Add call_clobbered_flag.
2525 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2526 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2527 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2528 (mark_non_addressable): Ditto.
2529 * tree-ssa.c (verify_call_clobbered): New function.
2530 (verify_alias_info): Use it.
2531 * tree-pass.h (pass_reset_cc_flags): New prototype.
2532 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2533 (reset_cc_flags): New function.
2534 * passes.c (init_optimization_passes): Call reset_cc_flags after
2535 initializing referenced_vars.
2537 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2538 Roger Sayle <roger@eyesopen.com>
2541 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2542 to 1.0 for non-real operands. Implement A / A optimization for
2545 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2547 * config/i386/i386.c (size_cost): Correct the comment for
2548 cost of storing fp registers.
2549 (i386_cost): Likewise.
2550 (i486_cost): Likewise.
2551 (pentium_cost): Likewise.
2552 (pentiumpro_cost): Likewise.
2553 (k6_cost): Likewise.
2554 (athlon_cost): Likewise.
2555 (k8_cost): Likewise.
2556 (pentium4_cost): Likewise.
2557 (nocona_cost): Likewise.
2558 (generic64_cost): Likewise.
2559 (generic32_cost): Likewise.
2561 2006-03-24 Denis Chertykov <denisc@overta.ru>
2563 * config/avr/avr-protos.h (extra_constraint): Delete.
2564 (extra_constraint_Q): New declaration.
2565 * config/avr/constraints.md: New file.
2566 * config/avr/avr.md: Include it.
2567 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2568 (TMP_REGNO, ZERO_REGNO): Likewise.
2569 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2570 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2571 (extra_constraint): Delete.
2572 (extra_constraint_Q): Test for memory constraint 'Q'.
2573 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2574 (REG_CLASS_FROM_LETTER): Delete.
2575 (CONST_OK_FOR_LETTER_P): Delete.
2576 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2577 (EXTRA_CONSTRAINT): Delete.
2578 (TMP_REGNO): Delete.
2579 (ZERO_REGNO): Delete.
2581 2006-03-24 Jeff Law <law@redhat.com>
2583 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2584 directly. Call mark_new_vars_to_rename slightly earlier.
2586 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2588 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2590 (gen_compile_unit_die): Use new language types for Objective-C and
2592 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2593 DW_LANG_C_plus_plus.
2596 * config/t-darwin (crt3.o): Work around bug 26840.
2597 * config/darwin-crt3.c: Rewrite.
2598 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2600 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2602 * doc/invoke.texi: Document -femit-class-debug-always
2603 * common.opt: Add -femit-class-debug-always.
2605 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2607 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2608 index and base register.
2609 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2610 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2611 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2612 REGNO_OK_FOR_INDEX_P.
2613 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2615 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2616 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2617 REG_OK_FOR_BASE_P): Definitions removed.
2619 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2622 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2623 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2624 set yet or weren't marked as local yet.
2626 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2628 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2631 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2633 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2634 (rs6000_legitimate_small_data_p): Delete.
2635 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2636 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2637 and make static. Add forward declaration. Update uses.
2638 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2639 of offsettable_memref_p.
2640 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2641 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2643 2006-03-24 Jeff Law <law@redhat.com>
2645 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2646 around bug in immediate-use iterator.
2648 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2651 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2652 or __LITTLE_ENDIAN__.
2654 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2656 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2657 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2658 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2659 * config/sh/sh.opt (mdiv=): Amend description.
2660 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2661 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2662 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2663 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2664 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2665 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2666 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2667 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2668 TARGET_DIVIDE_CALL_FP.
2670 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2672 * haifa-sched.c (choose_ready): Fix type of the local variable.
2673 Move local variables. Add comment.
2674 (check_reg_live): Change signature. Make callable from debugger.
2675 * sched-int.h (check_reg_live): Update signature.
2676 * sched-ebb.c (check_reg_live): Update parameters.
2677 * sched-rgn.c (check_reg_live): Ditto.
2678 (region_head_or_leaf_p): Check pointer before dereferencing.
2679 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2680 before reload on optimization levels below 1.
2682 2006-03-23 Richard Henderson <rth@redhat.com>
2684 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2688 * config/alpha/predicates.md (local_symbolic_operand): Reject
2691 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2694 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2695 expressions which have overflowed constants.
2697 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2699 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2701 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2703 * cfgloopmanip.c (create_loop_notes): Removed.
2704 * final.c (final_scan_insn): Do not handle loop notes.
2705 * jump.c (squeeze_notes): Ditto.
2706 * cfglayout.c (skip_insns_after_block,
2707 duplicate_insn_chain): Ditto.
2708 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2710 * cfgloop.h (create_loop_notes): Declaration removed.
2712 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2714 * varasm.c (output_constant_pool): Restore fnname and fndecl
2716 (assemble_start_function): Adjust call accordingly.
2717 (assemble_end_function): Likewise.
2719 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2722 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2725 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2727 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2730 * system.h (ICE_EXIT_CODE): New macro.
2731 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2732 (diagnostic_action_after_output): Likewise.
2733 * gcc.c (fatal_ice): New function.
2734 (execute): Use it instead of fatal.
2735 (fancy_abort): Likewise.
2736 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2738 2006-03-22 Jeff Law <law@redhat.com>
2740 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2741 iv_analyze_result returning false.
2743 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2745 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2747 2006-03-22 Richard Henderson <rth@redhat.com>
2750 * except.c (duplicate_eh_regions_0): New.
2751 (duplicate_eh_region_1): Duplicate the children of the node as
2752 well as the node itself. Link them up properly.
2753 (duplicate_eh_region_2): Merge into ...
2754 (duplicate_eh_regions): ... here. Take copy_region argument, and
2755 copy only a sub-tree if asked. Simplify copying and fixup.
2756 (eh_region_outer_p): New.
2757 * except.h (duplicate_eh_regions): Update decl.
2758 (eh_region_outer_p): Declare.
2759 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2760 (lower_omp_master): Likewise.
2761 (lower_omp_ordered): Likewise.
2762 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2763 (move_stmt_r): Use it to remap labels. Handle recursion vs
2764 remap_decls_p properly.
2765 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2766 (find_outermost_region_in_block): New.
2767 (new_label_mapper): New.
2768 (move_sese_region_to_fn): Copy eh information to the new function
2770 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2772 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2775 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2777 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2778 into shared libraries.
2780 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2782 * doc/md.texi: Refer to i386/constraints.md instead of
2784 * config/i386/constraints.md: New file, extracted from...
2785 * config/i386/predicates.md: ...here.
2786 * config/i386/i386.md: Include constraints.md.
2788 2006-03-21 Jason Merrill <jason@redhat.com>
2790 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2793 * expr.c (init_block_move_fn): Force default visibility.
2794 (init_block_clear_fn): Likewise.
2795 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2796 * targhooks.c (default_external_stack_protect_fail): Likewise.
2798 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2800 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2801 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2802 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2803 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2804 (loadgp): Use mips_current_loadgp_style.
2805 (loadgp_noshared): New pattern.
2806 (sibcall_internal): Use MIPS_CALL.
2807 (sibcall_value_internal): Likewise.
2808 (sibcall_value_multiple_internal): Likewise.
2809 (call_internal): Likewise.
2810 (call_value_internal): Likewise.
2811 (call_value_multiple_internal): Likewise.
2812 (call_split): Use MIPS_CALL and add an 'S' constraint.
2813 (call_value_split): Likewise.
2814 (call_value_multiple_split): Likewise.
2815 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2816 (-mshared): New option.
2817 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2818 (mips_current_loadgp_style): Declare.
2819 * config/mips/mips.c (mips_classify_symbol): Avoid using
2820 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2821 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2822 TARGET_ABSOLUTE_ABICALLS.
2823 (override_options): Adjust comments. Improve the warning that is
2824 issued when -mabicalls and -G are used together.
2825 (mips_file_start): Remove comment.
2826 (mips_current_loadgp_style): New function.
2827 (mips_gnu_local_gp): New variable.
2828 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2830 (mips_output_function_prologue): Use mips_current_laodgp_style.
2831 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2832 the cprestore instruction.
2833 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2834 live for TARGET_ABSOLUTE_ABICALLS.
2835 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2836 (ASM_SPEC): Pass down -mshared and -mno-shared.
2837 (MIPS_CALL): New macro.
2838 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2840 * doc/invoke.texi (-mabicalls): Update documentation.
2841 (-mshared): Document.
2843 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2845 * config/ia64/unwind-hpux.c: New file.
2846 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2848 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2851 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2853 2006-03-21 Jeff Law <law@redhat.com>
2855 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2856 type conversions of a VR_VARYING source to a wider type.
2858 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2860 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2861 tm_file on Solaris 10 and later.
2862 (sparc64-*-solaris2*): Likewise.
2863 (sparc-*-solaris2*): Likewise.
2864 * config/sol26.h: Rename to config/sol2-6.h.
2865 * config/sol2-10.h: New file.
2867 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2870 * tree-ssa-pre.c (create_component_ref_by_pieces):
2873 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2876 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2877 return it immediately.
2879 2006-03-21 Michael Matz <matz@suse.de>
2881 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2883 (remove_arc, add_arc): Update num_out_arcs member.
2884 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2886 (cache_presence): New function.
2887 (compare_states_for_equiv): New function.
2888 (state_is_differed): Don't take number of outargs, adjust callers.
2889 Use new invariant for speeding up.
2890 (init_equiv_class): Create initial classes based on sorted
2892 (partition_equiv_class): Don't track out_arcs_num.
2893 (evaluate_equiv_classes): Call cache_presence on all states and
2896 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2898 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2899 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2900 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2901 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2903 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2904 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2905 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2906 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2907 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2909 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2910 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2911 (REGNO_REG_CLASS): ARGP is in PREGS.
2912 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2914 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2915 to deal with those addresses.
2916 * addresses.h: New file.
2917 * caller-save.c: Include "addresses.h".
2918 (init_caller_save): Use new base_reg_class function.
2919 * rtl-factoring.c: Include "addresses.h".
2920 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2921 * recog.c: Include "addresses.h".
2922 (preprocess_constraints): Use new base_reg_class function.
2923 * regrename.c: Include "addresses.h".
2924 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2925 functions. Keep track of a new var INDEX_CODE to compute valid
2927 (replace_oldest_value_addr): Likewise.
2928 (replace_oldest_value_mem): Use base_reg_class.
2929 * reload.c: Include "addresses.h".
2930 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2931 (find_reloads): Use new base_reg_class function.
2932 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2933 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2934 all callers and prototype changed.
2935 * reload1.c: Include "addresses.h".
2936 (maybe_fix_stack_asms): Use base_reg_class.
2937 * regclass.c: Include "addresses.h".
2938 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2939 (init_reg_autoinc): Use new base_reg_class function.
2940 (record_reg_classes): Likewise.
2941 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2942 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2943 Use new args to compute necessary class.
2945 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2946 regrename.o, rtl-factoring.o): Update dependencies.
2947 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2948 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2949 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2950 REG_OK_FOR_INDEX_P): Delete documentation.
2952 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2954 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2955 from V7 to V9 for Solaris 7 and above.
2957 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2959 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2960 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2961 argument pointers may not alias any other storage.
2962 * common.opt: Define option -fargument-noalias-anything.
2963 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2964 alias semantics is specified by flag_argument_noalias > 2.
2966 2006-03-20 Jeff Law <law@redhat.com>
2968 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2969 (pass_phi_only_cprop): Declare.
2970 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2972 * tree-ssa-dom.c (degenerate_phi_result): New function.
2973 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2974 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2975 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2976 (eliminate_degenerate_phis): Likewise.
2977 (pass_phi_only_cprop): New pass descriptor.
2978 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2979 support code. Callers updated.
2980 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2981 (store_copy_prop): Likewise.
2982 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2984 2006-03-20 Jason Merrill <jason@redhat.com>
2987 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2988 (push_visibility, pop_visibility): Likewise.
2989 * c-pragma.h: Declare them.
2991 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2993 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2995 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2996 parameter and use get_ebb_head_tail.
2997 (sh_md_init_global): Adjust uses of find_regmode_weight.
2999 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3001 * function.h (struct function) <x_tail_recursion_reentry>:
3002 Rename to x_stack_check_probe_note.
3003 (tail_recursion_reentry): Rename to stack_check_probe_note.
3004 * function.c: Replace tail_recursion_reentry with
3005 stack_check_probe_note everywhere.
3006 (expand_function_start): Only emit a note for
3007 stack_check_probe_note with -fstack-protect.
3008 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3010 * emit-rtl.c (remove_unnecessary_notes): Remove.
3011 (pass_remove_unnecessary_notes): Remove.
3012 * rtl.h (remove_unnecessary_notes): Remove prototype.
3013 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3014 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3015 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3017 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3020 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3021 (valid_in_set): Handle ARRAY_REF.
3022 Change "if min_variant or VH" to asserts.
3023 (create_component_ref_by_pieces): Handle ARRAY_REF.
3024 (create_expression_by_pieces): Likewise.
3025 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3027 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3029 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3030 is operand of switch, not str[0].
3032 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3034 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3035 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3037 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3039 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3040 end of insn_extra_address_constraint declaration.
3042 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3044 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3045 (no-sum-in-toc): Same.
3046 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3048 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3049 NO_FP_IN_TOC for -fPIC instead of mask.
3051 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3052 (BOOT_LDFLAGS): Delete.
3054 * config/rs6000/t-aix52: Same.
3056 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3057 (stmsi[345678]_power): New.
3059 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3061 * config/ia64/ia64.opt: Add empty line to end of file.
3063 2006-03-17 Richard Guenther <rguenther@suse.de>
3066 * builtins.c (get_pointer_alignment): For component style references
3067 adjust alignment to the component type alignment. Make sure
3068 to adjust alignment for component access of constants.
3070 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3072 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3075 2006-03-17 Paul Brook <paul@codesourcery.com>
3077 * doc/install.texi: Docuemnt --with-mode.
3078 * config.gcc: Add --with-mode for arm*-*-*.
3079 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3081 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3083 * sh.c (max_labelno_before_reorg): New variable.
3084 (sh_reorg): Initialize it.
3085 (find_barrier): Check max_labelno_before_reorg before using
3086 label_to_alignment. Take length of explicit alignment insns
3087 into account. When seeing a UNSPECV_CONST_END, return it.
3089 * sh.c (fixup_mova): Set mode of affected label to QImode.
3090 (untangle_mova): New function.
3091 (find_barrier): Use it. Check mode of label before decrementing
3093 (sh_reorg): Likewise.
3094 Set mode of all insns back to VOIDmode.
3096 * sh.c (MOVA_LABELREF): New macro.
3097 (mova_p, fixup_mova, sh_reorg): Use it.
3098 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3099 ADDR_DIFF_VEC matches mova.
3101 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3103 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3104 with ATTRIBUTE_UNUSED.
3106 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3108 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3109 pointer, instead of assuming it is possible to derive the
3110 correct args size from a call insn.
3112 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3114 * rtl.h (CONST_INT_P): Define.
3115 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3116 instead of GET_CODE(x) == CONST_INT.
3117 (vax_rtx_costs): Likewise.
3118 (vax_output_int_move): Likewise.
3119 (vax_output_int_add): Likewise.
3120 (legitimate_constant_address_p): Likewise.
3121 (index_term_p): Likewise.
3122 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3123 * config/vax/vax.md (and<mode>3): Likewise.
3124 (ashrsi3): Likewise.
3126 (movstricthi): Likewise.
3127 (movstrictqi): Likewise.
3128 (rotrsi3): Likewise.
3129 (five unnamed insns): Likewise.
3131 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3133 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3134 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3135 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3136 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3137 Pass to ASM_OUTPUT_DWARF_OFFSET.
3138 * dwarf2out.c (debug_frame_section): New.
3139 (output_call_frame_info): Use debug_frame_section. Pass it to
3140 dw2_asm_output_offset.
3141 (output_die): Pass appropriate section to dw2_asm_output_offset.
3142 (output_compilation_unit_header): Likewise.
3143 (output_pubnames): Likewise.
3144 (output_aranges): Likewise.
3145 (enum dw_val_class): Break dw_val_class_lbl_offset into
3146 dw_val_class_lineptr and dw_val_class_macptr.
3147 (add_AT_lbl_offset): Delete.
3148 (add_AT_lineptr): New.
3149 (add_AT_macptr): New.
3150 (AT_lbl): Expect a lineptr or macptr.
3151 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3152 (attr_checksum): Likewise.
3153 (same_dw_val_p): Likewise.
3154 (size_of_die): Likewise.
3155 (value_format): Likewise.
3156 (output_die): Likewise.
3157 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3159 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3160 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3161 * config/darwin-protos.h (darwin_file_start): New.
3162 (darwin_asm_output_dwarf_offset): New.
3163 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3164 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3166 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3167 if not EH section; simplify.
3168 (darwin_file_start): New.
3169 (darwin_asm_output_dwarf_offset): New.
3170 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3172 (DEBUG_INFO_SECTION): Likewise.
3173 (DEBUG_ABBREV_SECTION): Likewise.
3174 (DEBUG_ARANGES_SECTION): Likewise.
3175 (DEBUG_MACINFO_SECTION): Likewise.
3176 (DEBUG_LINE_SECTION): Likewise.
3177 (DEBUG_LOC_SECTION): Likewise.
3178 (DEBUG_PUBNAMES_SECTION): Likewise.
3179 (DEBUG_STR_SECTION): Likewise.
3180 (DEBUG_RANGES_SECTION): Likewise.
3181 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3182 (ASM_OUTPUT_DWARF_OFFSET): New.
3184 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3186 * config.gcc (tm_defines): Always add to previous value rather
3189 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3191 * config/mips/predicates.md (splittable_const_int_operand): New,
3192 split from move_operand.
3193 (splittable_symbolic_operand): New.
3194 (move_operand): Add commentary. Use splittable_const_int_operand.
3195 Inline mips_atomic_symbolic_constant_p.
3196 * config/mips/mips.md: Add combine splitters for handling moves
3197 of splittable_const_int_operands and splittable_symbolic_operands.
3198 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3199 (mips_split_symbol): Declare.
3200 (mips_move_integer): Declare.
3201 * config/mips/mips.c (mips_split_p): Make global.
3202 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3203 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3204 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3205 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3206 (mips_offset_within_object_p): Handle block symbols.
3207 (mips_atomic_symbolic_constant_p): Delete.
3208 (mips_cannot_force_const_mem): Return false for constants that
3209 mips_legitimize_move can handle.
3210 (mips_use_blocks_for_constant_p): New function.
3211 (mips_split_symbol): Make global.
3212 (mips_move_integer): Likewise. Add a temporary register argument.
3213 (mips_legitimize_const_move): Use splittable_const_int_operand and
3214 splittable_symbolic_operand.
3215 (mips_use_anchors_for_symbol_p): New function.
3216 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3217 (mips_split_p): Declare.
3219 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3221 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3222 (mips*-*-linux*): Likewise.
3224 2006-03-16 Roger Sayle <roger@eyesopen.com>
3225 Daniel Speyer <dspeyer@wam.umd.edu>
3228 * tree-dump.c (dump_real): New function.
3229 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3230 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3231 (tree-dump.o): Add $(REAL_H) to the dependencies.
3233 2006-03-16 Roger Sayle <roger@eyesopen.com>
3236 * real.c (real_from_string): If the mantissa is zero, don't bother
3237 parsing the exponent as the result should always be zero.
3239 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3241 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3243 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3245 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3246 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3247 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3248 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3249 ia64_sched_finish_global): New static functions to implement
3250 hooks from gcc_target.sched.
3251 (spec_check_no, max_uid, pending_data_specs): New static variables.
3252 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3253 ia64_spec_check_src_p): New static functions.
3254 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3255 (TARGET_SCHED_ADJUST_COST): Removed.
3256 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3257 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3258 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3259 TARGET_SCHED_GEN_CHECK,
3260 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3261 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3262 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3263 Fixed to handle speculation checks.
3264 (rtx_needs_barrier): Fixed to handle speculative loads and
3266 (ia64_variable_issue): Added code to count speculative loads and their
3268 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3270 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3272 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3274 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3275 (ia64_reorg): Reset stops_p to NULL after it is freed.
3276 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3277 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3278 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3280 (data_speculative, control_speculative, check_load): New attributes.
3281 (mov<mode>_advanced, mov<mode>_speculative,
3282 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3283 zero_extend<mode>di2_speculative,
3284 zero_extend<mode>di2_speculative_advanced): New patterns for
3285 data and control speculative loads.
3286 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3288 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3289 New pattern for data and control speculation checks.
3290 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3291 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3292 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3293 Auxiliary definitions for the patterns.
3294 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3295 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3297 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3299 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3300 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3301 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3302 New resource constraints.
3303 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3305 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3306 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3307 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3308 msched-in-control-spec, msched-ldc, msched-control-ldc,
3309 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3310 msched-prefer-non-control-spec-insns,
3311 msched-count-spec-in-critical-path): New flags to tune speculative
3313 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3314 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3315 msched-in-control-spec, msched-ldc, msched-control-ldc,
3316 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3317 msched-prefer-non-control-spec-insns,
3318 msched-count-spec-in-critical-path): Document new flags.
3320 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3322 * target.h (struct spec_info_def): New opaque declaration.
3323 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3324 speculate_insn, needs_block_p, gen_check,
3325 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3326 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3327 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3328 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3329 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3330 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3332 (TARGET_SCHED): Use new macros.
3333 * rtl.h (copy_DEPS_LIST_list): New prototype.
3334 * sched-int.h (struct sched_info): Change signature of new_ready field,
3335 adjust all initializations. New fields: add_remove_insn,
3336 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3337 region_head_or_leaf_p.
3338 (struct spec_info_def): New structure declaration.
3339 (spec_info_t): New typedef.
3340 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3341 recovery_block, orig_pat.
3342 (glat_start, glat_end): New variables declaraions.
3343 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3345 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3346 DETACH_LIFE_INFO, USE_GLAT.
3347 (enum SPEC_SCHED_FLAGS): New enumeration.
3348 (NOTE_NOTE_BB_P): New macro.
3349 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3350 attach_life_info, debug_spec_status, check_reg_live): New functions.
3351 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3352 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3354 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3355 * ddg.c (get_block_head_tail): Adjust all uses.
3356 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3357 (sms_sched_info): Initialize new fields.
3358 (contributes_to_priority): Removed.
3359 * haifa-sched.c (params.h): New include.
3360 (get_block_head_tail): Adjust all uses.
3361 (ISSUE_POINTS): New macro.
3362 (glat_start, glat_end): New global variables.
3363 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3364 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3365 old_last_basic_block, before_recovery, current_sched_info_var,
3366 rgn_n_insns, luid): New static variables.
3367 (insn_cost1): New function. Move logic from insn_cost to here.
3368 (find_insn_reg_weight1): New function. Move logic from
3369 find_insn_reg_weight to here.
3370 (reemit_notes, move_insn, max_issue): Change signature.
3371 (move_insn1): Removed.
3372 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3373 extend_bb): New static functions to support extension of scheduler's
3375 (generate_recovery_code, process_insn_depend_be_in_spec,
3376 begin_speculative_block, add_to_speculative_block,
3377 init_before_recovery, create_recovery_block, create_check_block_twin,
3378 fix_recovery_deps): New static functions to support
3379 generation of recovery code.
3380 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3381 restore_bb_notes, move_block_after_check, move_succs): New static
3382 functions to support ebb scheduling.
3383 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3384 functions to support handling of register live information.
3385 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3386 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3387 add_jump_dependencies): New static functions.
3388 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3389 consistancy checking.
3390 (debug_spec_status): New function to call from debugger.
3391 (priority): Added code to handle speculation checks.
3392 (rank_for_schedule): Added code to distinguish speculative instructions.
3393 (schedule_insn): Added code to handle speculation checks.
3394 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3395 Fixed to handle ebbs.
3396 (move_insn): Added code to handle ebb scheduling.
3397 (max_issue): Added code to use ISSUE_POINTS of instructions.
3398 (choose_ready): Added code to choose between speculative and
3399 non-speculative instructions.
3400 (schedule_block): Added code to handle ebb scheduling and scheduling of
3401 speculative instructions.
3402 (sched_init): Initialize new variables.
3403 (sched_finish): Free new variables. Print statistics.
3404 (try_ready): Added code to handle speculative instructions.
3405 * lists.c (copy_DEPS_LIST_list): New function.
3406 * sched-deps.c (extend_dependency_caches): New function. Move logic
3407 from create_dependency_caches to here.
3408 (get_dep_weak, ds_merge): Make global.
3409 * genattr.c (main): Code to output prototype for
3410 dfa_clear_single_insn_cache.
3411 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3412 (output_dfa_clean_insn_cache_func): Code to output
3413 dfa_clear_single_insn_cache function.
3414 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3416 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3418 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3419 New static variables.
3420 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3421 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3423 (ebb_sched_info): Initialize new fields.
3424 (get_block_head_tail): Adjust all uses.
3425 (compute_jump_reg_dependencies): Fixed to use glat_start.
3426 (schedule_ebb): Code to remove unreachable last block.
3427 (schedule_ebbs): Added code to update register live information.
3428 * sched-rgn.c (region_sched_info): Initialize new fields.
3429 (get_block_head_tail): Adjust all uses.
3430 (last_was_jump): Removed. Adjust users.
3431 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3432 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3433 Implement new hooks.
3434 (check_dead_notes1): New static function.
3435 (struct region): New fields: dont_calc_deps, has_real_ebb.
3436 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3437 (BB_TO_BLOCK): Fixed to handle EBBs.
3438 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3439 (ebb_head): New static variable.
3440 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3441 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3443 (compute_dom_prob_ps): New assertion.
3444 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3445 global_live_at_start.
3446 (init_ready_list): New assertions.
3447 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3448 (new_ready): Add support for BEGIN_CONTROL speculation.
3449 (schedule_insns): Fixed code that updates register live information
3451 (schedule_region): Fixed to handle EBBs.
3452 (init_regions): Use extend_regions and check_dead_notes1.
3453 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3454 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3455 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3456 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3457 TARGET_SCHED_GEN_CHECK,
3458 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3459 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3460 * doc/invoke.texi (max-sched-insn-conflict-delay,
3461 sched-spec-prob-cutoff): Document.
3463 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3465 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3466 inter_tick, queue_index.
3467 (struct sched_info): Change signature of init_ready_list field.
3468 Adjust all initializations.
3469 (RESOLVED_DEPS): New access macro.
3470 (ready_add): Remove prototype.
3471 (try_ready): Add prototype.
3472 * sched-rgn.c (init_ready_list): Use try_ready.
3473 (schedule_region): Initialize
3474 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3475 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3476 (init_ready_list): Use try_ready.
3477 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3478 * lists.c (remove_list_elem): Remove `static'.
3479 (remove_free_INSN_LIST_elem): New function.
3480 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3481 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3482 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3484 (readyp): New variable.
3485 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3486 change_queue_index, resolve_dep): New static functions.
3487 (try_ready): New function. Adjust callers in sched-rgn.c and
3488 sched-ebb.c to use it instead of ready_add.
3489 (clock_var): Move at the begining of file.
3490 (rank_for_schedule): Fix typo.
3491 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3492 (ready_lastpos): Enforce assertion.
3493 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3495 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3496 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3497 (queue_to_ready): Use free_INSN_LIST_list.
3498 (early_queue_to_ready): Fix typo.
3499 (schedule_block): Init readyp. Move init_ready_list call after the
3500 initialization of clock_var. Fix error in rejecting insn by
3501 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3502 that previously corrected INSN_TICKs. Add code for handling
3504 (set_priorities): Fix typo.
3505 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3506 Clarify comment and code that keeps current_sched_info->next_tail
3509 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3511 * sched-rgn.c (extend_rgns): New static function.
3512 (find_rgns): Use it.
3513 (gather_region_statistics, print_region_statistics): New static
3515 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3516 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3518 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3519 Andrey Belevantsev <abel@ispras.ru>
3521 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3522 * lists.c (unused_deps_list): New variable.
3523 (free_list): Add assertions to verify the proper distinguishing
3524 between INSN_LISTs and DEPS_LISTs.
3525 (find_list_elem, remove_list_elem, remove_list_node): New static
3527 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3528 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3529 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3530 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3532 (free_INSN_LIST_node): Likewise.
3533 * modulo-sched.c (current_sched_info): Initialize flags field.
3534 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3535 * rtl.def (DEPS_LIST): Define.
3536 * rtl.h: Declare new functions from lists.c.
3537 * sched-deps.c (spec_dependency_cache): New static variable.
3538 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3539 (add_dependence): Change return type to void. Move the logic to ...
3540 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3541 (delete_all_dependences): Add comment about forward_dependency_cache.
3542 Handle spec_dependency_cache. Handle DEPS_LISTs.
3543 (fixup_sched_groups): Clarify the change of priority of output
3544 and anti dependencies.
3545 (sched_analyze_2): Adjust add_dependence calls to create data
3546 speculative dependence.
3547 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3548 Adjust all callers. Handle DEPS_LISTS.
3549 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3550 presence of speculation.
3551 (init_dependency_caches, free_dependency_caches):
3552 Handle spec_dependency_cache.
3553 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3554 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3555 New static functions.
3556 (add_or_update_back_dep, add_or_update_back_forw_dep,
3557 add_back_forw_dep, delete_back_forw_dep): New functions.
3558 * sched-int.h (ds_t, dw_t): New typedefs.
3559 (struct sched_info): Add new field flags.
3560 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3561 Prototype new sched-deps.c functions.
3562 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3563 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3564 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3565 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3566 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3567 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3569 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3571 * sched-rgn.c (current_sched_info): Initialize flags field.
3572 (schedule_insns): Initialize current_sched_info before the sched_init
3574 * sched-ebb.c (current_sched_info): Initialize flags field.
3575 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3576 Call add_or_update_back_dep instead of add_dependence.
3577 Create control speculative dependencies.
3578 (schedule_insns): Initialize current_sched_info before the sched_init
3581 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3583 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3585 (sh_fallback_frame_state): Likewise.
3587 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3589 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3590 Do switch on default_use_cxa_atexit.
3591 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3592 * config/darwin-crt3.o: New.
3593 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3594 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3595 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3597 * config/rs6000/t-darwin: Move crt2.o building to here.
3598 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3599 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3602 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3604 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3605 from '! xxx' to '!xxx' for coding-style conformance.
3606 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3607 (EXTRA_CONSTRAINT): Likewise.
3608 * config/vax/vax.md (four unnamed insns): Likewise.
3610 2006-03-15 Paul Brook <paul@codesourcery.com>
3612 * config/arm/arm.c (minipool_pad): New.
3613 (add_minipool_forward_ref): Include pool alignment padding in address
3615 (push_minipool_fix): Set minipool_pad.
3616 (minipool_pad): Ditto.
3618 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3620 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3621 instead of GET_CODE() == MEM and REG_P() instead of
3623 (print_operand_address): Likewise.
3624 (vax_address_cost): Likewise.
3625 (vax_rtx_costs): Likewise.
3626 (vax_notice_update_cc): Likewise.
3627 (vax_output_int_add): Likewise.
3628 (INDEX_REGISTER_P): Likewise.
3629 (BASE_REGISTER_P): Likewise.
3630 (nonindexed_address_p): Likewise.
3631 (vax_mode_dependent_address_p): Likewise.
3632 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3633 (PRINT_OPERAND): Likewise.
3634 * config/vax/vax.md (ashlsi3): Likewise.
3635 (ashlsi3): Likewise.
3636 (some more unnamed insns): Likewise.
3638 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3640 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3641 iterator-style macro.
3642 (mark_control_dependent_edges_necessary): Update the use of
3643 EXECUTE_IF_CONTROL_DEPENDENT.
3645 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3647 * config/sh/predicates.md (cache_address_operand): Special.
3648 (ua_address_operand): Likewise.
3650 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3652 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3654 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3656 2006-03-15 Andreas Schwab <schwab@suse.de>
3658 * gensupport.c (identify_predicable_attribute): Don't free p_false
3659 when it is still in use.
3661 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3663 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3664 the default setting here.
3666 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3668 * tree-pass.h (pass_cfg): Remove.
3669 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3670 * passes.c (pass_cfg): Don't run it.
3672 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3674 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3675 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3677 (stack_regs_mentioned): Update the uses of
3678 stack_regs_mentioned_data. Don't access the array beyond its
3680 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3681 Don't include gt-reg-stack.h.
3683 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3684 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3686 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3689 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3692 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3694 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3696 2006-03-14 Richard Guenther <rguenther@suse.de>
3698 PR tree-optimization/26672
3699 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3702 2006-03-14 Richard Guenther <rguenther@suse.de>
3704 PR tree-optimization/26667
3705 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3706 node for the callees. Always allow inlining if it will shrink
3709 2006-03-14 Richard Guenther <rguenther@suse.de>
3712 * builtins.c (get_pointer_alignment): Prefer alignment
3713 information from decls over that from types.
3715 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3718 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3720 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3722 * config/rs6000/rs6000.opt (mdlmzb): New option.
3723 (msched-prolog, msched-epilog): Use Var not Mask.
3724 * doc/invoke.texi (-mdlmzb): Document.
3725 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3727 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3728 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3730 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3732 PR rtl-optimization/25739
3733 * bt-load.c (augment_live_range): Free tos pointer.
3735 * gensupport.c (identify_predicable_attribute): Free
3737 * gcov.c (create_file_names): Free name pointer.
3739 2006-03-13 Roger Sayle <roger@eyesopen.com>
3742 * stmt.c (emit_case_nodes): Handle the case where the index is a
3743 CONST_INT, where the comparison mode is specified by the index type.
3745 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3747 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3750 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3752 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3753 (*branch_fp_inverted): Likewise.
3755 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3758 * omp-low.c (expand_omp_for_generic): Mark istart0
3759 and iend0 as addressable.
3761 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3763 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3765 2006-03-13 Jeff Law <law@redhat.com>
3767 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3768 virtual operands are interesting.
3769 (vrp_visit_stmt): Corresponding changes.
3771 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3773 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3775 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3776 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3777 * config/bfin/crti.S: Use it instead of __PIC__.
3778 * config/bfin/crtn.S: Likewise.
3780 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3781 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3783 Lose 'G' modifier for call operand.
3784 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3785 recognize 'G' modifier.
3787 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3790 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3791 * stmt.c (expand_case): Likewise.
3793 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3795 PR rtl-optimization/26254
3796 * loop-invariant.c (seq_insns_valid_p): New function.
3797 (move_invariant_reg): Only emit new code if it is valid.
3799 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3801 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3803 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3804 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3805 (commit_one_edge_insertion): Do not look for loop notes.
3807 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3809 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3810 flag_test_coverage out of loop.
3812 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3814 * final.c (shorten_branches): Remove outdated comment, and turn
3815 the if branch that guards it to continue.
3817 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3819 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3820 * cfgloop.h (struct loop): Remove unused fields.
3822 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3824 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3825 (-dL, -fdump-rtl-loop2): Update the dump file names
3827 * doc/invoke.texi: Update dump file names.
3829 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3831 * predict.c (estimate_probability): Remove.
3832 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3833 * basic-block.h (estimate_probability): Remove prototype.
3834 * passes.c (finish_optimization_passes): Dump branch prediction or
3835 profiling heuristics to the .profile tree dump.
3836 (init_optimization_passes): Unqueue pass_branch_prob.
3838 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3840 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3842 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3843 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3845 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3847 * function.h (frame_offset_overflow): Declare.
3848 * function.c (frame_offset_overflow): New function.
3849 (assign_stack_local_1): Call it to detect that the offset overflows.
3850 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3852 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3854 * config/sh/sh.c: Include alloc-pool.h.
3855 (label_ref_list_pool): New alloc pool.
3856 (label_ref_list_t): New type for lists of labels.
3857 (struct pool_node): Make wend a label_ref_list_t.
3858 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3860 (dump_table): Likewise.
3861 (sh_reorg): Set up the alloc pool before using add_constant and
3862 dump_table, and destroy it when finishing.
3864 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3866 * config/mips/mips.c: Remove redundant comment.
3868 2006-03-10 Jason Merrill <jason@redhat.com>
3871 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3872 the target was declared 'register'.
3874 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3876 * genpreds.c (write_insn_constraint_len): Change definition of
3877 insn_constraint_len to return size_t to match the declaration.
3879 2006-03-10 DJ Delorie <dj@redhat.com>
3881 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3883 (m32c_expand_insv): Fix test for an AND mask.
3885 2006-03-10 Richard Guenther <rguenther@suse.de>
3888 * builtins.c (get_pointer_alignment): Handle component
3889 references for field alignment.
3891 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3893 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3894 when building with libgloss.
3895 (sh*elf): Implement --without-fp option.
3896 (sh64-superh-linux*): Don't multilib.
3898 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3900 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3902 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3904 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3905 Set it when one of the replacement functions returned true.
3906 Return TODO_cleanup_cfg if cfgchanged is true.
3907 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3909 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3911 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3912 instead of gen_lowpart.
3914 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3916 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3918 (mips_output_order_conditional_branch): Declare.
3919 * config/mips/mips.h (MIPS_BRANCH): New macro.
3920 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3921 for the comparison. Use gen_condjump.
3922 (mips_output_conditional_branch): Rework interface to take the
3923 asm templates for a direct branch and the inverse of a direct branch.
3924 (mips_output_order_conditional_branch): New function.
3925 (mips_builtin_branch_and_move): New function.
3926 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3927 branch condition. Use gen_single_cc as the condition for
3928 __builtin_mips_upper_* or __builtin_mips_lower_*.
3929 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3930 Use VOIDmode for the branch condition.
3931 * config/mips/predicates.md (order_operator): New predicate.
3932 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3933 (branch_fp): Rename to...
3934 (*branch_fp): ...this. Remove mode from comparison operator.
3935 Use new mips_output_conditional_branch interface.
3936 (branch_fp_inverted): Rename to...
3937 (*branch_fp_inverted): ...this and update as for *branch_fp.
3938 (*branch_zero<mode>): Rename to...
3939 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3940 Use mips_output_order_conditional_branch. Only accept ordered
3942 (*branch_zero<mode>_inverted): Rename to...
3943 (*branch_order<mode>_inverted): ...this and update as for
3944 *branch_order<mode>.
3945 (*branch_equality<mode>): Accept zero as the second operand to
3946 the equality operator. Use the new mips_output_conditional_branch
3948 (*branch_equality<mode>_inverted): Likewise.
3949 (condjump): New expander.
3950 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3952 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3953 (bc1any2t, bc1any2f): Likewise.
3954 (single_cc): New expander.
3955 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3957 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3959 * doc/md.texi: Update documentation of MIPS constraints.
3960 * config/mips/constraints.md: New file.
3961 * config/mips/mips.md: Include it.
3962 * config/mips/mips.c (mips_char_to_class): Delete.
3963 (override_options): Don't initialize mips_char_to_class.
3964 * config/mips/mips.h (mips_char_to_class): Delete.
3965 (REG_CLASS_FROM_LETTER): Delete.
3966 (CONST_OK_FOR_LETTER_P): Delete.
3967 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3968 (EXTRA_CONSTRAINT_Y): Delete.
3969 (EXTRA_CONSTRAINT_STR): Delete.
3970 (CONSTRAINT_LEN): Delete.
3971 (EXTRA_MEMORY_CONSTRAINT): Delete.
3973 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3975 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3976 original fn's eh regions.
3978 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3980 * fold-const.c (build_range_check): Make sure to use a valid type to
3981 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3984 (range_predecessor): New static function.
3985 (range_successor): Likewise.
3986 (merge_ranges): Use them to compute predecessors and successors of
3989 2006-03-09 Roger Sayle <roger@eyesopen.com>
3992 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3993 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3995 2006-03-08 DJ Delorie <dj@redhat.com>
3997 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3998 (addpsi3): Expand to include memory operands. Remove
3999 reload-specific splits.
4000 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4001 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4002 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4003 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4004 (shift1_qi, shift1_hi, insv): New.
4005 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4006 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4007 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4009 * config/m32c/m32c-protos.h: Update as needed.
4010 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4011 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4012 Fail for unrecognized R* constraints.
4013 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4014 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4015 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4017 (m32c_init_libfuncs): New.
4018 (m32c_legitimate_address_p): Add debug wrapper.
4019 (m32c_rtx_costs): New.
4020 (m32c_address_cost): New.
4021 (conversions): Add 'B' prefix.
4022 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4023 operands, or word regnames for QI operands. 'B' prints bit
4025 (m32c_expand_setmemhi): New.
4026 (m32c_expand_movmemhi): New.
4027 (m32c_expand_movstr): New.
4028 (m32c_expand_cmpstr): New.
4029 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4030 (m32c_expand_neg_mulpsi3): Handle non-ints.
4031 (m32c_cmp_flg_0): New.
4032 (m32c_expand_movcc): New.
4033 (m32c_expand_insv): New.
4034 (m32c_scc_pattern): New.
4035 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4036 a0/a1 out of SIregs.
4037 (STORE_FLAG_VALUE): New.
4038 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4041 * config/m32c/mov.md: Make constraints more liberal.
4042 (zero_extendqihi2): Optimize r0/r1 case.
4043 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4044 * config/m32c/predicates.md (m32c_any_operand): New.
4045 (m32c_nonimmediate_operand): New.
4046 (m32c_hl_operand): New.
4047 (m32c_r3_operand): New.
4050 (memsym_operand): New.
4051 (memimmed_operand): New.
4052 (a_qi_operand): New.
4053 (m32c_eqne_operator): New.
4054 (m32c_1bit8_operand): New.
4055 (m32c_1bit16_operand): New.
4056 (m32c_1mask8_operand): New.
4057 (m32c_1mask16_operand): New.
4058 * config/m32c/blkmov.md: New file.
4059 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4061 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4063 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4064 unsigned to fix signed/unsigned comparison issue in
4065 DWARF2_FRAME_REG_OUT.
4066 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4067 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4069 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4070 of ptr into the ENABLE_CHECKING section.
4072 2006-03-08 Jeff Law <law@redhat.com>
4074 * tree-vrp.c (infer_value_range): Only count pointer uses
4075 and dereferences if -fdelete-null-pointer-checks is enabled.
4077 * tree-vrp.c (find_assert_locations): Infer value ranges for
4078 single use pointers, but do not create ASSERT_EXPRs for them.
4079 When a non-null range is inferred for a pointer, backwards
4080 propagate that range to other equivalent pointers through the
4083 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4086 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4087 language hook targets.
4088 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4089 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4090 if language hook targets were missing.
4092 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4094 * tree-ssa-opfinalize.h: Removed.
4095 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4097 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4098 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4099 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4100 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4101 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4102 finalize_ssa_v_must_def_ops): New.
4104 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4106 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4109 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4111 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4113 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4114 addresses with offsets; reorganize.
4116 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4117 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4118 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4120 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4123 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4125 2006-03-08 Ben Elliston <bje@au.ibm.com>
4127 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4129 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4132 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4135 2006-03-07 Richard Guenther <rguenther@suse.de>
4137 PR tree-optimization/26587
4138 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4140 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4142 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4144 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4146 * hooks.c (hook_bool_mode_rtx_true): New function.
4147 * hooks.h (hook_bool_mode_rtx_true): Declare.
4148 * toplev.c (compile_file): Call output_shared_constant_pool.
4149 * varasm.c (shared_constant_pool): New variable.
4150 (assemble_start_function, assemble_end_function): Remove arguments
4151 from call to output_constant_pool.
4152 (create_constant_pool): New function, split out from...
4153 (init_varasm_status): ...here.
4154 (force_const_mem): Choose between the shared and per-function constant
4155 pools. Set current_function_uses_const_pool when reusing old entries
4156 as well as when creating new ones.
4157 (mark_constant): Ignore data argument.
4158 (mark_constants): Remove pool argument.
4159 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4160 to decide whether the function uses a constant pool.
4161 (output_constant_pool_contents): New function, split out from...
4162 (output_constant_pool): ...here.
4163 (output_shared_constant_pool): New function.
4164 (init_varasm_once): Initialize shared_constant_pool.
4165 * output.h (output_constant_pool): Delete.
4166 (output_shared_constant_pool): Declare.
4167 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4168 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4170 2006-03-06 Nick Clifton <nickc@redhat.com>
4172 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4173 flag_strength_reduce.
4175 2006-03-06 Ben Elliston <bje@au.ibm.com>
4177 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4178 x86_64-*-linux* configurations.
4180 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4181 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4183 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4185 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4187 * basic-block.h: Remove the extern for
4188 rediscover_loops_after_threading.
4190 * cfgloop.c (cancel_loop): Make it static.
4191 * cfgloop.h: Remove the prototype for cancel_loop.
4193 * flow.c (recompute_reg_usage): Make it static.
4194 * rtl.h: Remove the prototype for recompute_reg_usage.
4196 * function.c (use_return_register): Make it static.
4197 * function.h: Remove the prototype.
4199 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4201 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4203 * recog.h: Remove the prototype for
4204 validate_change_maybe_volatile.
4206 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4208 * rtlanal.c (replace_reg): Remove.
4209 * rtl.h: Remove the prototype for replace_reg.
4211 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4213 * regclass.c (reg_scan_update): Remove.
4214 (reg_scan_mark_refs): Remove the last argument.
4215 * rtl.h: Remove the prototype for reg_scan_update.
4217 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4219 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4220 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4221 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4222 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4223 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4224 loop-invariant.c, omp-low.c, opts.c, passes.c,
4225 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4226 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4227 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4228 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4229 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4230 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4232 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4234 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4235 * dwarf2out.h: Remove the prototype for
4236 dwarf2out_add_library_unit_info.
4238 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4240 * tree.c (add_var_to_bind_expr): Remove.
4241 * tree.h: Remove the prototype for add_var_to_bind_expr.
4243 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4245 * regclass.c (n_non_fixed_regs): Remove.
4246 (init_reg_sets_1, globalize_reg): Remove all uses of
4248 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4250 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4252 * rtlanal.c (insns_safe_to_move_p): Remove.
4253 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4255 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4257 * expmed.c (expand_mult_add): Remove.
4258 * expr.h: Remove the prototype for expand_mult_add.
4260 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4262 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4263 and REG_SAVED_VAL_EXP constants.
4264 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4265 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4266 Handle regs stored by value.
4267 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4268 (execute_cfa_program): Handle DW_CFA_val_offset,
4269 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4270 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4271 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4272 (uw_install_context_1): Handle target regs stored by value.
4274 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4276 * tree-sra.c (tree_sra): Return todoflags;
4277 (generate_one_element): Set TODO_update_smt_usage if needed.
4278 (pass_sra): Remove TODO_update_smt_usage.
4279 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4281 (tree_ssa_forward_propagate_single_use_vars): Return
4282 TODO_update_smt_usage if we need to update SMT usage.
4283 (pass_forwprop): Remove TODO_update_smt_usage.
4285 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4287 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4288 (correct_use_link): Remove reference to get_stmt_operands.
4289 (update_stmt_operands): Likewise.
4290 (get_modify_expr_operands): New function factored out of
4291 parse_ssa_operands and get_expr_operands.
4292 Try to create V_MUST_DEFs for LHS by default.
4293 (get_expr_operands) <case MODIFY_EXPR>: Call
4294 get_modify_expr_operands.
4295 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4296 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4297 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4298 get_modify_expr_operands.
4300 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4302 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4303 * tree-flow.h: Remove the prototype for
4304 referenced_var_lookup_if_exists.
4306 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4308 PR rtl-optimization/26345
4310 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4312 2006-03-03 Roger Sayle <roger@eyesopen.com>
4314 PR tree-optimization/26524
4315 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4316 fold_convert to create a constant of the appropriate type.
4318 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4320 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4321 SYMBOL_REF_IN_BLOCK_P.
4322 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4323 of SYMBOL_FLAG_IN_BLOCK.
4324 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4325 instead of SYMBOL_REF_IN_BLOCK_P.
4326 * explow.c (use_anchored_address): Likewise.
4327 * rtl.c (rtx_size): Likewise.
4328 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4329 instead of SYMBOL_FLAG_IN_BLOCK.
4330 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4331 SYMBOL_REF_IN_BLOCK_P.
4332 (assemble_variable): Likewise.
4333 (output_constant_def_contents): Likewise.
4334 (output_constant_pool): Likewise.
4335 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4336 instead of SYMBOL_FLAG_IN_BLOCK.
4337 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4338 SYMBOL_REF_IN_BLOCK_P.
4339 (SYMBOL_REF_BLOCK): Likewise.
4340 (SYMBOL_REF_OFFSET): Likewise.
4341 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4342 SYMBOL_REF_IN_BLOCK_P.
4343 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4344 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4345 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4346 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4348 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4350 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4352 2006-03-02 Roger Sayle <roger@eyesopen.com>
4354 * simplify-rtx.c (simplify_unary_operation): When simplifying
4355 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4356 that we perform the right shift in the appropriate mode, and
4357 then extend or truncate the result to requested mode.
4359 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4361 * gengtype.c (main): Handle double_int type.
4362 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4363 * double-int.c: New file.
4364 * double-int.h: New file.
4365 * system.h: Include doubleint.h.
4366 * Makefile.in (SYSTEM_H): Include double-int.h.
4367 (double-int.o): Add.
4369 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4372 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4375 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4377 * tree-vrp.c (remove_range_assertions): Do not update statements
4380 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4382 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4384 * gcse.c (rest_of_handle_gcse): Ditto.
4385 * except.c (gate_handle_eh): Ditto.
4386 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4387 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4389 2006-03-02 Eric Christopher <echristo@apple.com>
4391 * config/i386/i386.c (machopic_output_stub): Add indirection to
4394 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4398 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4400 Sun Niagara specific optimizations.
4401 * config.gcc: Recognize niagara as target.
4402 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4403 (TARGET_CPU_niagara): Define.
4404 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4405 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4406 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4407 (ASM_CPU_SPEC): Likewise.
4408 (PROCESSOR_NIAGARA): New enum entry.
4409 (REGISTER_MOVE_COST): Handle Niagara.
4410 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4411 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4412 (sparc_override_options): Recognize "niagara", set appropriate
4413 default MASK_* values for it, and align functions to 32-bytes
4414 by default just like ULTRASPARC/ULTRASPARC3.
4415 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4416 (sparc64_initialize_trampoline): Likewise.
4417 (sparc_use_sched_lookahead): Use zero for niagara.
4418 (sparc_issue_rate): Use one for niagara.
4419 * config/sparc/niagara.md: New file.
4420 * config/sparc/sparc.md: Include it.
4421 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4422 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4423 when default cpu is niagara.
4424 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4425 (ASM_CPU_SPEC): Likewise.
4426 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4427 when default cpu is niagara.
4428 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4429 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4430 just like v9/ultrasparc/ultrasparc3.
4431 * doc/invoke.texi: Add documentation for "niagara" and improve
4432 existing documentation for ultrasparc variants.
4434 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4436 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4438 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4440 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4441 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4442 and say that only one is needed.
4443 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4444 * target.h (have_switchable_bss_sections): New hook.
4445 * explow.c (use_anchored_address): Check that the symbol is in a block.
4446 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4447 (bss_noswitch_section): New variables.
4448 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4449 (get_noswitch_section): New function.
4450 (get_block_for_section): Allow SECT to be null.
4451 (unlikely_text_section_p): Use SECTION_STYLE.
4452 (bss_initializer_p): New function.
4453 (get_variable_section): Move earlier in file. Take a new argument,
4454 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4455 Return one of the new *_sections in such cases.
4456 (get_block_for_decl): New function, extracting some logic from
4457 use_blocks_for_decl_p.
4458 (change_symbol_section): Remove in favor of...
4459 (change_symbol_block): ...this new function.
4460 (use_blocks_for_decl_p): Remove checks now performed by
4462 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4463 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4464 (emit_local, emit_bss, emit_common): ...these new functions.
4465 Return true if the alignment was honored.
4466 (emit_tls_common): New function.
4467 (asm_emit_uninitialised): Delete.
4468 (assemble_variable_noswitch): New function, split out from...
4469 (assemble_variable): ...here. Don't make decisions about common
4470 variables here. Globalize all public decls that go into non-common
4471 sections. Check whether SYMBOL_REF_BLOCK is null.
4472 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4473 (output_constant_pool): Likewise.
4474 (init_varasm_once): Initialize the new section variables.
4475 (have_global_bss_p): New function.
4476 (categorize_decl_for_section): Use bss_initializer_p.
4477 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4478 (place_block_symbol): Assert that the symbol must be in a block.
4479 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4480 (TARGET_INITIALIZER): Include it.
4481 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4482 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4483 (SECTION_MACH_DEP): Bump by two.
4484 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4485 (unnamed_section): Mention SECTION_UNNAMED in comment.
4486 (named_section): Likewise SECTION_NAMED.
4487 (noswitch_section_callback): New type.
4488 (noswitch_section): New structure.
4489 (section): Add a noswitch_section alternative.
4490 (SECTION_STYLE): New macro.
4491 (tls_comm_section, comm_section, lcomm_section): Declare.
4492 (bss_noswitch_section, have_global_bss_p): Declare.
4493 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4494 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4496 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4497 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4500 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4502 * gcc/tree-vrp.c (execute_vrp): Return value.
4503 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4504 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4505 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4506 (tree_lower_complex_O0): Ditto.
4507 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4508 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4509 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4510 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4511 (execute_tail_calls): Ditto.
4512 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4513 * gcc/tree.h (init_function_for_compilation): Ditto.
4514 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4515 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4516 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4517 * gcc/final.c (compute_alignments): Ditto.
4518 (rest_of_handle_final): Ditto.
4519 (rest_of_handle_shorten_branches): Ditto.
4520 (rest_of_clean_state): Ditto.
4521 * gcc/omp-low.c (execute_expand_omp): Ditto.
4522 (execute_lower_omp): Ditto.
4523 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4524 * gcc/ipa-reference.c (static_execute): Ditto.
4525 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4526 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4527 (rest_of_handle_machine_reorg): Ditto.
4528 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4529 * gcc/flow.c (recompute_reg_usage): Ditto.
4530 (rest_of_handle_remove_death_notes): Ditto.
4531 (rest_of_handle_life): Ditto.
4532 (rest_of_handle_flow2): Ditto.
4533 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4534 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4535 (do_ssa_store_ccp): Ditto.
4536 (execute_fold_all_builtins): Ditto.
4537 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4538 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4539 * gcc/ipa-pure-const.c (static_execute): Ditto.
4540 * gcc/cse.c (rest_of_handle_cse): Ditto.
4541 (rest_of_handle_cse2): Ditto.
4542 * gcc/web.c (rest_of_handle_web): Ditto.
4543 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4544 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4545 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4546 * gcc/tree-nrv.c (tree_nrv): Ditto.
4547 (execute_return_slot_opt): Ditto.
4548 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4549 (create_structure_vars): Ditto.
4550 * gcc/loop-init.c (rtl_loop_init): Ditto.
4551 (rtl_loop_done): Ditto.
4552 (rtl_move_loop_invariants): Ditto.
4553 (rtl_unswitch): Ditto.
4554 (rtl_unroll_and_peel_loops): Ditto.
4555 (rtl_doloop): Ditto.
4556 * gcc/gimple-low.c (lower_function_body): Ditto.
4557 (mark_used_blocks): Ditto.
4558 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4559 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4560 (cgraph_early_inlining): Ditto.
4561 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4562 * gcc/jump.c (cleanup_barriers): Ditto.
4563 (purge_line_number_notes): Ditto.
4564 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4565 (rest_of_handle_if_after_reload): Ditto.
4566 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4567 (tree_ssa_loop_im): Ditto.
4568 (tree_ssa_loop_unswitch): Ditto.
4569 (tree_vectorize): Ditto.
4570 (tree_linear_transform): Ditto.
4571 (tree_ssa_loop_ivcanon): Ditto.
4572 (tree_ssa_empty_loop): Ditto.
4573 (tree_ssa_loop_bounds): Ditto.
4574 (tree_complete_unroll): Ditto.
4575 (tree_ssa_loop_prefetch): Ditto.
4576 (tree_ssa_loop_ivopts): Ditto.
4577 (tree_ssa_loop_done): Ditto.
4578 * gcc/predict.c (tree_estimate_probability): Ditto.
4579 * gcc/recog.c (split_all_insns_noflow): Ditto.
4580 (rest_of_handle_peephole2): Ditto.
4581 (rest_of_handle_split_all_insns): Ditto.
4582 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4583 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4584 (rest_of_handle_stack_adjustments): Ditto.
4585 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4586 * gcc/function.c (instantiate_virtual_regs): Ditto.
4587 (init_function_for_compilation): Ditto.
4588 (rest_of_handle_check_leaf_regs): Ditto.
4589 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4590 (rest_of_handle_gcse): Ditto.
4591 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4592 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4593 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4594 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4595 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4596 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4597 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4598 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4599 * gcc/except.c (set_nothrow_function_flags): Ditto.
4600 (convert_to_eh_region_ranges): Ditto.
4601 (rest_of_handle_eh): Ditto.
4602 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4603 (remove_unnecessary_notes): Ditto.
4604 * gcc/except.h (set_nothrow_function_flags): Ditto.
4605 (convert_to_eh_region_ranges): Ditto.
4606 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4607 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4608 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4609 (execute_fre): Ditto.
4610 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4611 (rest_of_handle_jump2): Ditto.
4612 * gcc/tree-sra.c (tree_sra): Ditto.
4613 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4614 (execute_mudflap_function_decls): Ditto.
4615 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4616 (do_store_copy_prop): Ditto.
4617 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4618 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4619 * gcc/tree-ssa-forwprop.c
4620 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4621 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4622 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4623 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4624 (execute_late_warn_uninitialized): Ditto.
4625 * gcc/rtl.h (cleanup_barriers): Ditto.
4626 (split_all_insns_noflow): Ditto.
4627 (purge_line_number_notes): Ditto.
4628 (unshare_all_rtl): Ditto.
4629 (remove_unnecessary_notes): Ditto.
4630 (recompute_reg_usage): Ditto.
4631 (variable_tracking_main): Ditto.
4632 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4633 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4634 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4635 (execute_free_cfg_annotations): Ditto.
4636 (execute_fixup_cfg): Ditto.
4637 (execute_cleanup_cfg_pre_ipa): Ditto.
4638 (execute_cleanup_cfg_post_optimizing): Ditto.
4639 (execute_init_datastructures): Ditto.
4640 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4641 * gcc/combine.c (rest_of_handle_combine): Ditto.
4642 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4643 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4644 (rest_of_handle_reorder_blocks): Ditto.
4645 (rest_of_handle_partition_blocks): Ditto.
4646 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4647 * gcc/tree-profile.c (tree_profiling): Ditto.
4648 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4649 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4650 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4651 (rest_of_handle_sched2): Ditto.
4652 * gcc/basic-block.h (free_bb_insn): Ditto.
4653 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4654 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4655 (remove_useless_stmts): Ditto.
4656 (split_critical_edges): Ditto.
4657 (execute_warn_function_return): Ditto.
4658 (execute_warn_function_noreturn): Ditto.
4659 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4660 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4661 * gcc/passes.c (execute_one_pass): Run additional
4662 todos returned by execute function.
4663 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4666 2006-03-02 Richard Guenther <rguenther@suse.de>
4668 * tree-ssa-alias.c (find_used_portions): Consider taking
4669 the address as making the variable not write-only.
4671 2006-03-02 Nick Clifton <nickc@redhat.com>
4673 * config.gcc (default_use_cxa_atexit): Extend the description of
4674 this configure variable. Set its default value to "yes" for
4675 Linux, NetBSD and ELF targets on the assumption that they will
4676 use C libraries with the __cxa_atexit function.
4678 2006-03-02 Ben Elliston <bje@au.ibm.com>
4680 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4681 parameter as unused to suppress a build warning.
4683 2006-03-02 Ben Elliston <bje@au.ibm.com>
4685 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4688 2006-03-01 Roger Sayle <roger@eyesopen.com>
4691 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4692 declared name, the weak reference name, and the typeof name.
4693 (__gthrw): Avoid expanding the declared name suffix.
4694 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4696 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4698 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4700 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4701 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4702 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4703 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4704 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4705 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4706 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4707 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4708 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4709 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4710 (DW_END_default, DW_END_big, DW_END_little): New.
4711 (DW_END_lo_user, DW_END_hi_user): Define.
4712 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4713 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4714 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4717 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4719 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4721 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4723 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4725 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4727 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4728 to 'symbol_mem_tag'.
4730 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4733 2006-03-01 Roger Sayle <roger@eyesopen.com>
4735 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4737 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4740 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4741 MACHO_DYNAMIC_NO_PIC_P.
4742 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4744 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4747 * config/darwin-protos.h (darwin_asm_output_anchor):
4749 * config/darwin-sections.def (cstring_section):
4750 Add SECTION_MERGE to the flags.
4751 (literal4_section): Likewise.
4752 (literal8_section): Likewise.
4753 (objc_selector_refs_section): Likewise.
4754 (objc_cls_refs_section): Likewise.
4755 * config/darwin.c (darwin_asm_output_anchor): New
4757 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4759 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4761 Fix PR tree-optimization/26443
4762 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4763 to todo and PROP_tmt_usage to properties_destroyed.
4764 * tree-ssa-ccp.c (pass_ccp): Ditto.
4765 (pass_store_ccp): Ditto.
4766 * tree-ssa-dom.c (pass_dominator): Ditto.
4768 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4770 * tree-ssa-operands.c: Cleanup whitespace.
4771 (get_asm_expr_operands): Move before first invocation.
4772 (get_indirect_ref_operands): Likewise.
4773 (get_tmr_operands): Likewise.
4774 (get_call_expr_operands): Likewise.
4775 (append_def): Likewise.
4776 (append_use): Likewise.
4777 (append_v_may_def): Likewise.
4778 (append_v_must_def): Likewise.
4779 (add_call_clobber_ops): Likewise.
4780 (add_call_read_ops): Likewise.
4781 (add_stmt_operand): Likewise.
4782 (add_virtual_operand): Likewise.
4783 (build_ssa_operands): Likewise.
4785 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4790 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4791 with a call expr to ...
4792 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4794 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4796 * tree-vrp.c (extract_range_from_assert): Remove special
4797 handling for types with super-types.
4799 2006-03-01 Ben Elliston <bje@au.ibm.com>
4801 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4802 and powerpc64-*-linux* configurations.
4803 * config/t-dfprules: New file.
4805 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4806 Compile dfp-bit.c from the source directory using -DWIDTH and
4807 $DFP_CFLAGS to control the compilation of that file, rather than
4808 generating width-specific versions in the build directory.
4809 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4810 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4812 2006-02-28 Zack Weinberg <zackw@panix.com>
4814 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4817 2006-02-28 Eric Christopher <echristo@apple.com>
4819 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4820 Set up IN_LIBGCC definition of TARGET_64BIT.
4821 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4823 2006-02-28 Roger Sayle <roger@eyesopen.com>
4826 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4827 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4828 cases via the construction of "expr != 0".
4830 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4832 * alias.c (alias_invariant, alias_invariant_size): Remove.
4833 (record_base_value): Remove.
4834 (memrefs_conflict_p): Don't look at alias_invariant.
4835 (end_alias_analysis): Don't free it.
4836 * alias.h (record_base_value): Remove prototype.
4838 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4839 Adam Nemet <anemet@caviumnetworks.com>
4841 * rtl.h (truncated_to_mode): Declare it.
4842 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4843 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4844 (RTL_HOOKS_INITIALIZER): Include it.
4845 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4846 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4847 reg_truncated_to_mode.
4848 * rtlanal.c (truncated_to_mode): Define it.
4849 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4851 2006-02-28 Jeff Law <law@redhat.com>
4853 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4854 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4855 the range allowed by TYPE_PRECISION.
4857 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4859 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4861 PR tree-optimization/26419
4862 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4865 2006-02-27 Zack Weinberg <zackw@panix.com>
4867 * doc/md.texi: Fix typo in previous change.
4869 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4873 2006-02-27 Zack Weinberg <zackw@panix.com>
4875 * rtl.def (define_constraint, define_register_constraint)
4876 (define_memory_constraint, define_address_constraint): New MD forms.
4877 * gensupport.c (process_rtx): Put define_constraint etc on the
4879 * genpreds.c (process_define_predicate): Adjust comment. Validate
4880 the name, and call validate_exp to validate the expression.
4881 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4882 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4883 all callers changed.
4884 (validate_exp, needs_variable, struct constraint_data)
4885 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4886 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4887 (const_dbl_constraints, constraint_max_namelen)
4888 (have_register_constraints, have_memory_constraints)
4889 (have_address_constraints, have_address_constraints)
4890 (have_extra_constraints, have_const_int_constraints)
4891 (have_const_dbl_constraints, mangle, add_constraint)
4892 (process_define_constraint, process_define_register_constraint)
4893 (write_enum_constraint_num, write_lookup_constraint)
4894 (write_insn_constraint_len, write_regclass_for_constraint)
4895 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4896 (write_insn_extra_memory_constraint)
4897 (write_insn_extra_address_constraint)
4898 (write_satisfies_constraint_fns): New.
4899 (write_tm_preds_h): If we have new-style constraint definitions,
4900 prototype the functions generated from them, and define the
4901 old constraint interface (still used by generic code) in terms of
4903 (write_insn_preds_c): If we have new-style constraint definitions,
4904 generate all relevant functions from those definitions.
4905 (main): Handle define_constraint etc.
4906 * genoutput.c (struct constraint_data, indep_constraints)
4907 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4908 (mdep_constraint_len): New data structures and functions, defined
4909 #ifdef USE_MD_CONSTRAINTS.
4910 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4911 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4912 use new logic to validate operand constraints against constraint
4914 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4916 * defaults.h: If none of the old-style constraint macros are
4917 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4918 old-style macros; and poison REG_CLASS_FROM_LETTER,
4919 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4921 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4922 * doc/md.texi: Document new constraint-definition mechanism and the
4923 C interface it provides. Remove references to old mechanism
4924 elsewhere in the document.
4925 (Machine Constraints): Use pathnames relative to gcc directory,
4926 i.e. config/ARCH/FILE. Change i386 section to refer to
4927 config/i386/predicates.md; update that section to match docstrings.
4928 * doc/tm.texi: Move all documentation of the old constraint-
4929 definition macros to their own section, clearly mark as obsolete.
4931 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4932 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4934 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4935 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4936 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4938 (splits and peepholes): Use satisfies_constraint_*.
4939 * config/i386/i386.c (memory_address_length)
4940 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4942 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4944 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4945 scalar operation to be put back into the loop.
4947 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4950 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4951 (extract_cie_info): Handle S flag in augmentation string.
4952 (execute_cfa_program): If context->signal_frame, execute also
4953 fs->pc == context->ra instructions.
4954 (uw_frame_state_for): If context->signal_frame, don't subtract one
4955 from context->ra to find FDE.
4956 (uw_update_context_1): Set context->signal_frame to
4958 (_Unwind_GetIPInfo): New function.
4959 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4960 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4962 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4963 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4964 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4965 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4966 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4967 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4968 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4969 x86_64_fallback_frame_state): Set fs->signal_frame.
4970 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4971 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4972 (frob_update_context): Likewise. Workaround missing S flag in
4973 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4974 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4975 Remove the psw_addr + 1 hack.
4977 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4979 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4980 with aggregates here.
4981 (find_func_aliases): Remove code for &<aggregate> from here.
4983 2006-02-26 Roger Sayle <roger@eyesopen.com>
4985 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4986 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4987 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4990 2006-02-26 Roger Sayle <roger@eyesopen.com>
4993 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4995 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4997 * opts.c (decode_options): Do not handle flag_strength_reduce.
4998 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4999 and OPT_fstrength_reduce.
5000 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5001 flag_prefetch_loop_arrays for being nonzero.
5002 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5004 (fprefetch-loop-arrays-rtl): Removed.
5005 (flag_prefetch_loop_arrays): Do not specify the value.
5007 * doc/passes.texi: Update documentation of loop optimizer
5009 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5010 -frerun-loop-opt): Remove.
5012 2006-02-26 Richard Guenther <rguenther@suse.de>
5014 PR tree-optimization/26421
5015 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5016 in function calls that are ADDR_EXPRs as using the whole structure.
5018 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5020 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5021 * tree-pass.h (pass_loop_optimize): Remove.
5022 * passes.c (pass_loop_optimize): Never run it.
5023 * toplev.c (backend_init): Don't call init_loop.
5024 * opts.c (flag_loop_optimize_set): Remove.
5025 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5026 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5027 the old RTL loop optimizer when profiling enabled.
5028 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5029 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5030 pre-headers for the sake of the old RTL loop optimizer.
5031 * Makefile.in: Remove all references to loop.o.
5033 * doc/invoke.texi: Remove all references to -floop-optimize
5034 and -frerun-loop-opt.
5036 2006-02-26 Zack Weinberg <zackw@panix.com>
5038 * doc/md.texi (Machine Constraints): Refer to all files with paths
5039 relative to gcc directory (i.e. config/CPU/file). Add missing
5040 @table @code ... @end table to M32C subsection.
5042 2006-02-26 Roger Sayle <roger@eyesopen.com>
5044 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5046 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5048 2006-02-26 Roger Sayle <roger@eyesopen.com>
5049 James A. Morrison <phython@gcc.gnu.org>
5052 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5053 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5054 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5055 signedness of the shift operation.
5057 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5059 PR tree-optimization/26359
5060 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5062 2006-02-25 Roger Sayle <roger@eyesopen.com>
5064 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5065 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5066 as X == 0, and some symmetry related transformations.
5067 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5069 2006-02-25 Roger Sayle <roger@eyesopen.com>
5072 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5073 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5074 symmetry related transformations. Fold (X^C1) == C2 as
5077 2006-02-25 Juergen Weigert <jw@suse.de>
5078 Richard Guenther <rguenther@suse.de>
5080 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5082 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5084 * combine.c (gen_lowpart_or_truncate): Call
5085 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5087 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5089 * doc/invoke.texi: Move -fopenmp description to "Options for
5091 Remove reference to -lgomp.
5093 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5095 * doc/install.texi: Require GNU tar version 1.14.
5097 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5099 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5100 * doc/invoke.texi (C++ Dialect Options): Document
5101 -fno-use-cxa-get-exception-ptr.
5102 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5103 * configure: Regenerate.
5104 * c.opt (fuse-cxa-get-exception-ptr): New.
5105 * c-opts.c (c_common_handle_option): Handle
5106 OPT_fuse_cxa_get_exception_ptr.
5107 * c-common.c (flag_use_cxa_atexit): Update documentation.
5108 (flag_use_cxa_get_exception_ptr): New.
5109 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5110 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5112 (C_COMMON_OVERRIDE_OPTIONS): New.
5114 2006-02-24 Roger Sayle <roger@eyesopen.com>
5117 * combine.c (try_combine): Explicitly check whether GET_CODE is
5118 a SET or a CLOBBER, instead on checking that it isn't a USE.
5120 2006-02-24 Roger Sayle <roger@eyesopen.com>
5122 * fold-const.c (fold_comparison): New subroutine of fold_binary
5123 containing transformations common to both the equality and
5124 ordering relational operators, factored out of fold_binary.
5125 (fold_binary): Separate out the equality operators (EQ_EXPR
5126 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5127 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5128 transformations common to both.
5129 (fold_div_compare): Fix latent bugs in the previously unreachable
5130 LT_EXPR and GE_EXPR cases.
5132 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5134 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5135 decl libname for clog to __clog on AIX.
5137 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5139 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5142 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5143 output traceback table for thunks. Localise rs6000_stack_info call.
5145 2006-02-23 Roger Sayle <roger@eyesopen.com>
5146 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5148 * gthr-posix.h (__gthrw): Fix typo in comment.
5150 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5152 * doc/cpp.texi (Character sets): Document that we do support
5153 input files to be in any character set.
5155 2006-02-23 Jeff Law <law@redhat.com>
5157 * tree.h (PHI_ARG_NONZERO): Remove.
5158 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5159 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5160 node to the new node.
5162 PR tree-optimization/26425
5163 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5164 min/max, then assume its varying.
5166 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5168 PR rtl-optimization/26316
5169 * rtlanal.c (enum may_trap_p_flags): New.
5170 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5171 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5172 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5173 (may_trap_after_code_motion_p): New function.
5174 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5175 (find_invariant_insn): Use may_trap_after_code_motion_p.
5176 * rtl.h (may_trap_after_code_motion_p): Declare.
5178 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5180 * emit-rtl.c (immed_double_const): Cleanup.
5182 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5184 Fix PR tree-optimization/26376
5185 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5188 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5191 * gimplify.c (omp_add_variable): Guard variable size decl test with
5192 DECL_SIZE (decl) check.
5194 2006-02-23 Richard Guenther <rguenther@suse.de>
5197 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5198 like aggregate types.
5200 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5202 * configure.ac: Add --with{,out}-long-double-128 configure option.
5203 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5204 * configure: Rebuilt.
5205 * config.in: Rebuilt.
5206 * doc/install.texi (Options specification): Document
5207 --with-long-double-128.
5209 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5210 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5211 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5212 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5214 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5216 * config/s390/s390.c (override_options): Handle
5217 TARGET_DEFAULT_LONG_DOUBLE_128.
5219 * config/alpha/alpha.c (override_options): Handle
5220 TARGET_DEFAULT_LONG_DOUBLE_128.
5222 * config/sparc/sparc.c (sparc_override_options): Handle
5223 TARGET_DEFAULT_LONG_DOUBLE_128.
5225 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5227 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5228 (real-install-headers-tar, real-install-headers-cpio)
5229 (real-install-headers-cp): New targets.
5231 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5233 * tree.h (variable_section): Delete.
5234 * varasm.c (variable_section): Delete.
5236 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5238 * install.texi: Add notes on install.texi2html.
5239 (Building in parallel): Do not use footnotes.
5241 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5244 * doc/install.texi (Configuration): Document --disable-libgomp.
5246 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5248 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5250 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5252 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5253 (vec_extractv2df_0_sse): New.
5255 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5257 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5258 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5259 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5260 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5261 to the result of the expression.
5262 (def_cfa_1): Adjust.
5263 (frame_pointer_cfa_offset): Rename to...
5264 (frame_pointer_fb_offset): ... this. Adjust all uses.
5265 (convert_cfa_to_loc_list): Rename to...
5266 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5267 Pass it on to build_cfa_loc.
5268 (compute_frame_pointer_to_cfa_displacement): Rename to...
5269 (compute_frame_pointer_to_fb_displacement): ... this. New
5270 offset parameter. Use it in computation.
5271 (gen_subprogram_die): Compute cfa_fb_offset with the new
5272 macro, and use it to compute the fb loc list and the
5275 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5277 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5278 replaced with register_operand.
5279 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5280 non-DREG is expensive.
5281 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5282 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5285 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5287 * doc/install.texi2html: Use set -e.
5289 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5291 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5292 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5293 * doc/invoke.texi (-fshared-data): Delete.
5294 * common.opt (fshared-data): Delete.
5295 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5296 (assemble_static_space): Remove #if 0 code.
5297 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5298 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5299 * config/cris/cris.h: Remove FIXME.
5301 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5303 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5306 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5309 * combine.c (simplify_shift_const_1): Disable nested shifts
5310 optimization for vector shifts.
5312 2006-02-20 Roger Sayle <roger@eyesopen.com>
5314 PR tree-optimization/26361
5315 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5316 of unsigned integer types.
5318 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5320 * tree-chrec.c (eq_evolutions_p): New.
5321 * tree-chrec.h (eq_evolutions_p): Declared.
5322 * tree-data-ref.c: Fix formatting.
5323 (datadep_stats, dependence_stats): New.
5325 (print_direction_vector): New.
5326 (dump_data_dependence_relation): Use print_direction_vector.
5327 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5328 (compute_subscript_distance): Static.
5329 (initialize_data_dependence_relation): Static. Get the number
5330 of loops surrounding the references from the callers, and initialize
5331 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5332 base_object_differ_p analyzers.
5333 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5334 compute_overlap_steps_for_affine_1_2,
5335 analyze_subscript_affine_affine): Count the classified dependences.
5336 Print a message when a test failed.
5337 (can_use_analyze_subscript_affine_affine): New.
5338 (analyze_siv_subscript): Compute the data dependences on symbolic
5339 scevs that verify can_use_analyze_subscript_affine_affine.
5340 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5341 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5342 Handle symbolic scevs.
5343 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5345 (subscript_dependence_tester): Moved...
5346 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5347 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5348 DDR_SIZE_VECT instead of getting it in parameter.
5349 (subscript_dependence_tester): ... here. Take as a parameter
5350 loop_nest_depth. Call build_classic_dist_vector and
5351 build_classic_dir_vector.
5352 (compute_affine_dependence): Update subscript_dependence_tester
5353 parameters. Update datadep_stats counters. Call
5354 compute_subscript_distance.
5355 (compute_self_dependence): Save the dist and dir vectors. Call
5356 compute_subscript_distance.
5357 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5358 (compute_all_dependences): Reorder parameters as they were before
5359 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5360 compute_subscript_distance. Update the use of
5361 compute_affine_dependence and initialize_data_dependence_relation.
5362 (find_data_references_in_loop): Handle COMPONENT_REF.
5363 (compute_data_dependences_for_loop): Initialize dependence_stats.
5364 Don't call build_classic_dist_vector and build_classic_dir_vector.
5365 Update the parameters of initialize_data_dependence_relation and
5366 compute_all_dependences. Print the statistics from datadep_stats.
5367 (analyze_all_data_dependences): Static. Not used until the pass for
5368 checking the data dependences is contributed.
5369 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5370 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5371 (initialize_data_dependence_relation, compute_affine_dependence,
5372 analyze_all_data_dependences, compute_subscript_distance): Removed.
5373 (print_direction_vector): New.
5374 * lambda.h (gcd): ... here.
5375 (lambda_vector_gcd): Moved here from gcd_vector.
5376 * lambda-code.c (gcd, gcd_vector): Removed.
5377 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5378 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5380 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5382 * ipa-type-escape.c: Tidy some comments and white space.
5383 * tree-ssa-operands.c: Likewise.
5385 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5388 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5389 (dump_decl_name): Do not walk the decl tree chains.
5390 * tree-pass.h (TDF_CHAIN): Remove.
5392 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5394 * Makefile.in (C): Remove
5396 (.PHONY): Remove C and PROTO
5398 2006-02-20 Roger Sayle <roger@eyesopen.com>
5401 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5402 deprecated CHAR_TYPE tree code.
5404 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5406 * configure.ac (target_list): Add install-info, dvi, html.
5407 * configure: Regenerate.
5409 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5410 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5411 treelang/Make-lang.in: Do not use double-colon rules.
5413 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5415 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5416 (TMT_USED_ALONE): New macro.
5417 * tree-pass.h (PROP_tmt_usage): New property.
5418 (TODO_update_tmt_usage): New todo.
5419 * tree-ssa-alias.c (updating_used_alone): New variable.
5420 (recalculate_used_alone): New function.
5421 (compute_may_aliases): Set updating_used_alone, call
5422 recalculate_used_alone.
5423 * tree-sra.c (pass_sra): Note that this pass destroys
5424 PROP_tmt_usage, and add TODO_update_tmt_usage.
5425 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5426 * tree-flow.h (updating_used_alone): Prototype.
5427 (recalculate_used_alone): Ditto.
5428 * passes.c (execute_todo): Add code to set updating_used_alone,
5429 and call recalculate.
5430 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5431 for clobber if used alone, and add assert to verify used_alone
5434 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5436 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5437 for non tls symbols added.
5438 (legitimize_address): Do nothing for PLUS expressions if one of the
5439 addends is a tls symbol reference.
5441 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5445 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5447 * Makefile.in (BOOTSTRAPPING): New.
5448 (quickstrap): New definition if BOOTSTRAPPING=yes.
5450 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5451 * configure.ac: Substitute all_selected_languages with the languages
5452 that were configured. For all the other variables except
5453 lang_specs_files, include all the languages in the tree.
5454 * configure: Regenerate.
5456 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5457 if there is one. Run the commands to run fixincludes in the same
5460 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5461 * doc/install.texi: Document exact conventions for searching target tools.
5462 Document --with-build-time-tools. Document toplevel bootstrap. Document
5463 something more about building an Ada cross-compiler. Don't list GNU Make
5464 requirements which affect all platforms.
5466 2006-02-19 Roger Sayle <roger@eyesopen.com>
5469 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5470 only equivalent if the have both the same mode and precision.
5472 2006-02-20 Ben Elliston <bje@au.ibm.com>
5474 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5476 2006-02-19 Roger Sayle <roger@eyesopen.com>
5477 Steven Bosscher <stevenb.gcc@gmail.com>
5479 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5480 constant pool references to identify stack mode constants.
5481 * rtlanal.c (constant_pool_constant_p): New predicate to check
5482 whether operand is a floating point constant in the pool.
5483 * rtl.h (constant_pool_constant_p): Prototype here.
5484 * loop.c (scan_loop): Avoid hoisting constants from the constant
5485 pool on STACK_REGS targets.
5486 (load_mems): Likewise.
5487 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5488 loads into x87 registers expensive in terms of register pressure.
5490 2006-02-19 Roger Sayle <roger@eyesopen.com>
5492 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5493 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5495 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5497 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5498 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5500 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5502 * doc/invoke.texi: Document -fipa-pta.
5503 * common.opt: Add ipa-pta option.
5504 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5505 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5506 (do_ds_constraint): Ditto.
5507 (get_constraint_for): Only add to referenced_vars if
5508 referenced_vars exists.
5509 (insert_into_field_list): Rewrite to do this unsorted.
5510 (insert_into_field_list_sorted): Rename old insert_into_field_list
5512 (create_function_info_for): Use insert_into_field_list_sorted.
5513 (create_variable_info_for): Rewrite so it uses unsorted version,
5514 since the field list is sorted.
5515 (intra_create_variable_infos): Only add to referenced_vars if
5516 referenced_vars exists.
5517 (ipa_pta_execute): Init heapvars, and delete when done.
5518 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5520 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5522 * doc/install.texi: Add missing `@samp'.
5524 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5526 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5529 2006-02-18 Mark Wielaard <mark@klomp.org>
5531 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5532 who added new 4.1 features, bug fixes and integration support.
5534 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5537 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5540 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5542 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5543 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5544 (copy_insn_1): Likewise. Don't copy each field individually.
5546 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5548 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5549 * rtl.c (rtx_size): Rename variable to...
5550 (rtx_code_size): ...this.
5551 (rtx_size): New function.
5552 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5553 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5555 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5556 * rtl.h (rtx_code_size): New variable.
5557 (rtx_size): Change from a variable to a function.
5558 (RTX_SIZE): Rename to...
5559 (RTX_CODE_SIZE): ...this.
5562 PR tree-optimization/17106
5563 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5564 (Anchored Addresses): New section.
5565 * doc/invoke.texi (-fsection-anchors): Document.
5566 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5567 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5568 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5569 * hooks.c (hook_bool_mode_rtx_false): New function.
5570 * hooks.h (hook_bool_mode_rtx_false): Declare.
5571 * gengtype.c (create_optional_field): New function.
5572 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5573 SYMBOL_REF_IN_BLOCK_P is true.
5574 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5575 (min_anchor_offset, max_anchor_offset): Likewise.
5576 (use_anchors_for_symbol_p): New hook.
5577 * toplev.c (compile_file): Call output_object_blocks.
5578 (target_supports_section_anchors_p): New function.
5579 (process_options): Check that -fsection-anchors is only used on
5580 targets that support it and when -funit-at-a-time is in effect.
5581 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5582 if the decl doesn't have one.
5583 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5584 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5585 of force_const_mem through use_anchored_address.
5586 (expand_expr_constant): New function.
5587 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5588 calling expand_expr for INDIRECT_REF.
5589 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5590 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5591 * expr.h (use_anchored_address): Declare.
5592 * loop-unroll.c: Don't declare rtx vectors here.
5593 * explow.c: Include output.h.
5594 (validize_mem): Call use_anchored_address.
5595 (use_anchored_address): New function.
5596 * common.opt (-fsection-anchors): New switch.
5597 * varasm.c (object_block_htab, anchor_labelno): New variables.
5598 (hash_section, object_block_entry_eq, object_block_entry_hash)
5599 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5600 (use_blocks_for_decl_p, change_symbol_section): New functions.
5601 (get_variable_section): New function, split out from assemble_variable.
5602 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5603 use_blocks_for_decl_p say so. Use change_symbol_section if the
5604 symbol has already been created.
5605 (assemble_variable_contents): New function, split out from...
5606 (assemble_variable): ...here. Don't output any code for
5607 block symbols; just pass them to place_block_symbol.
5608 Use get_variable_section and assemble_variable_contents.
5609 (get_constant_alignment, get_constant_section, get_constant_size): New
5610 functions, split from output_constant_def_contents.
5611 (build_constant_desc): Create a block symbol if use_object_blocks_p
5612 says so. Or into SYMBOL_REF_FLAGS.
5613 (assemble_constant_contents): New function, split from...
5614 (output_constant_def_contents): ...here. Don't output any code
5615 for block symbols; just pass them to place_section_symbol.
5616 Use get_constant_section and get_constant_alignment.
5617 (force_const_mem): Create a block symbol if use_object_blocks_p and
5618 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5619 (output_constant_pool_1): Add an explicit alignment argument.
5620 Don't switch sections here.
5621 (output_constant_pool): Adjust call to output_constant_pool_1.
5622 Switch sections here instead. Don't output anything for block symbols;
5623 just pass them to place_block_symbol.
5624 (init_varasm_once): Initialize object_block_htab.
5625 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5626 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5627 (place_block_symbol, get_section_anchor, output_object_block)
5628 (output_object_block_htab, output_object_blocks): New functions.
5629 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5630 (TARGET_ASM_OUT): Include it.
5631 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5632 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5633 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5634 (TARGET_INITIALIZER): Include them.
5635 * rtl.c (rtl_check_failed_block_symbol): New function.
5636 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5637 (block_symbol, object_block): New structures.
5638 (rtx_def): Add a block_symbol field to the union.
5639 (BLOCK_SYMBOL_CHECK): New macro.
5640 (rtl_check_failed_block_symbol): Declare.
5641 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5642 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5643 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5644 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5645 * output.h (output_section_symbols): Declare.
5646 (object_block): Name structure.
5647 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5648 (default_use_anchors_for_symbol_p): Declare.
5649 * Makefile.in (RTL_BASE_H): Add vec.h.
5650 (explow.o): Depend on output.h.
5651 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5652 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5653 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5654 (rs6000_use_blocks_for_constant_p): New function.
5656 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5658 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5660 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5663 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5666 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5668 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5672 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5675 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5676 instead of DECL_REGISTER.
5678 2006-02-18 Olivier Hainque <hainque@adacore.com>
5681 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5683 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5686 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5687 * opth-gen.awk: Handle Var and InverseMask together.
5688 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5689 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5690 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5691 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5693 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5694 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5695 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5696 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5697 LINUX_DYNAMIC_LINKER): Define.
5698 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5699 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5701 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5702 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5703 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5704 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5705 (TARGET_C99_FUNCTIONS): Don't define.
5706 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5707 GLIBC_DYNAMIC_LINKER.
5708 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5709 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5710 GLIBC_DYNAMIC_LINKER64): Define.
5711 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5712 LINUX_DYNAMIC_LINKER64.
5713 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5714 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5715 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5716 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5717 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5718 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5719 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5720 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5721 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5722 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5723 and LINUX_DYNAMIC_LINKER32.
5724 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5725 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5726 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5727 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5728 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5730 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5731 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5732 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5733 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5734 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5735 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5736 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5737 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5738 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5739 LINUX_DYNAMIC_LINKER): Define.
5740 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5741 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5742 GLIBC_DYNAMIC_LINKER64): Define.
5743 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5744 LINUX_DYNAMIC_LINKER64.
5745 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5746 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5747 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5748 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5749 LINUX_DYNAMIC_LINKER): Define.
5750 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5751 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5752 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5753 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5754 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5755 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5756 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5757 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5758 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5759 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5760 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5761 * doc/invoke.texi (-muclibc): Remove caveat about supported
5764 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5766 * doc/cpp.texi (__TIMESTAMP__): Document.
5768 2006-02-17 Roger Sayle <roger@eyesopen.com>
5771 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5772 C is one less than the width of X (and related transformations).
5773 * simplify-rtx.c (simplify_unary_operation_1): Transform
5774 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5775 depending on STORE_FLAG_VALUE, were C is one less then the
5778 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5780 Fix PR tree-optimization/26341
5781 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5782 about NAME_MEMORY_TAG's.
5784 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5787 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5788 with hardware float support, and software float support. Add fcpy
5789 alternative to hardware patterns. Add alternatives to copy between
5790 general and floating-point registers to the 32-bit pattern.
5791 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5792 secondary reload to load a QI or HI mode constant into a floating
5794 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5795 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5797 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5800 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5802 (load_macho_picbase_di): Likewise.
5804 2006-02-16 Jeff Law <law@redhat.com>
5806 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5807 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5808 (ssa_name_nonzero_p): Likewise.
5809 (get_value_range): Return NULL if VRP is not running.
5810 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5811 VRP routines do not discover a range.
5812 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5813 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5814 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5815 (tree_expr_nonnegative_p): Similarly.
5816 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5817 (restore_nonzero_vars_to_original_value): Remove.
5818 (unsafe_associative_fp_binop): Remove.
5819 (tree_ssa_dominator_optimize): Remove initialization and
5820 finalization of nonzero_vars and nonzero_vars_stack.
5821 (dom_opt_initialize_block): No longer push marker on
5823 (dom_opt_finalize_block): No longer call
5824 restore_nonzero_vars_to_original_value.
5825 (record_equivalences_from_phis): No longer look for
5826 nonzero PHI arguments.
5827 (cprop_into_successor_phis): No longer propagate nonzero
5828 property into PHI arguments. Lose unused argument. Caller
5830 (record_equivalences_from_stmt): No longer record nonzero
5831 values for SSA_NAMEs.
5832 (lookup_avail_expr): No longer use nonzero_vars.
5834 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5835 for sizetype when sizetype is unsigned.
5837 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5839 PR rtl-optimization/25603
5840 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5841 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5842 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5843 with new meaning of SETS.
5845 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5850 * config/linux.opt: New file.
5851 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5852 LINUX_DYNAMIC_LINKER): Define.
5853 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5854 * config.gcc (*-*-linux*): Define extra_options.
5855 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5856 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5857 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5858 GLIBC_DYNAMIC_LINKER.
5859 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5860 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5861 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5862 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5863 * doc/invoke.texi (GNU/Linux Options): New section.
5865 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5867 * config/sparc/sparc.md (setjmp): Rewrite.
5868 (setjmp_32): Delete.
5869 (setjmp_64): Likewise.
5871 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5873 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5876 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5878 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5881 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5883 PR rtl-optimization/26296
5884 * Makefile.in (loop-invariant.c): Add except.h dependency.
5885 * loop-invariant.c: Include except.h.
5886 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5888 2005-02-16 Paul Brook <paul@codesourcery.com>
5890 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5893 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5895 PR rtl-optimization/25636
5896 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5897 when deciding whether an insn is an initializing insn.
5899 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5901 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5902 (tree_code_size): Ditto.
5903 * tree.h (struct tree_memory_tag): Remove parent_var.
5904 (struct tree_struct_field_tag): New.
5907 (union tree_node): Add sft member.
5908 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5910 (create_sft): Add size and offset argument, set SFT_OFFSET and
5912 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5913 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5914 * tree-flow-inline.h (get_subvar_at): Update for
5915 SFT_OFFSET/SFT_SIZE.
5916 (var_can_have_subvars): Ditto.
5917 (overlap_subvar): Ditto.
5918 * print-tree.c (print_node): Print out interesting things for
5920 * tree-flow.h (struct subvar): Remove offset and size members.
5921 * tree-ssa-operands.c (get_expr_operands): Update for
5922 get_indirect_ref_operands changes.
5923 (get_indirect_ref_operands): Call add_virtual_operand instead of
5924 add_stmt_operand. Only recurse on base var if requested.
5925 (access_can_touch_variable): New function.
5926 (add_stmt_operand): Split virtual operand handling into ...
5927 (add_virtual_operand): Here. Add offset, size, and for_clobber
5928 arguments. Prune alias sets.
5929 (add_call_clobber_ops): Call add_virtual_operand.
5931 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5934 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5936 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5937 than TREE_CODE as index into omp_clause_num_ops array.
5939 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5941 PR rtl-optimization/26184
5942 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5944 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5945 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5946 must_precede, must_follow and tobe_scheduled.
5949 * opts.c (common_handle_option): Free new_option pointer.
5950 * df-core.c (df_analyze): Free postorder pointer.
5952 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5954 * Makefile.in: Fix the examples about the use of stamps
5956 2006-02-15 Michael Matz <matz@suse.de>
5960 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5961 influenced by maximum_field_alignment or DECL_PACKED.
5962 (update_alignment_for_field): Ditto.
5963 (place_field): Ditto.
5964 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5967 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5969 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5970 (debug_flow_info): Pass it.
5971 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5972 * bb-reorder.c (reorder_basic_blocks): Likewise.
5973 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5974 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5975 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5976 * gcse.c (gcse_main, bypass_jumps): Likewise.
5977 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5978 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5979 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5980 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5981 * rtl.h (dump_flow_info): Adjust prototype.
5982 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5983 * var-tracking.c (variable_tracking_main): Likewise.
5984 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5985 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5988 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5990 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5993 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5995 PR tree-optimization/26209
5996 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5997 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5999 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6001 2006-02-14 Roger Sayle <roger@eyesopen.com>
6004 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6005 (X,Y) and the corresponding symmetry related transformations.
6006 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6007 (X,Y) and its symmetry related transformations.
6009 2006-02-14 Roger Sayle <roger@eyesopen.com>
6011 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6014 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6016 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6018 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6021 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6022 support COMDAT group.
6023 * configure: Regenerate.
6025 2006-02-14 Roger Sayle <roger@eyesopen.com>
6030 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6032 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6034 Fix PR tree-optimization/26260
6036 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6038 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6039 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6040 * tree-ssa-structalias.c (create_variable_info_for): Use
6041 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6043 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6045 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6047 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6048 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6049 of the ending condition.
6050 * tree-ssa-loop-manip.c: Include params.h.
6051 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6052 tree_unroll_loop): New functions.
6053 * tree-pass.h (pass_loop_prefetch): Declare.
6054 * loop.c (rest_of_handle_loop_optimize): Test for
6055 -fprefetch-loop-arrays-rtl.
6056 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6057 * timevar.def (TV_TREE_PREFETCH): New timevar.
6058 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6059 pass_loop_prefetch): New.
6060 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6061 (cleanup_tree_cfg_loop): Call scev_reset.
6062 * common.opt (fprefetch-loop-arrays-rtl): Add.
6063 * tree-ssa-loop-prefetch.c: New file.
6064 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6065 (new_temp_expr_table): Initialize expr_vars.
6066 (free_temp_expr_table): Cleanup expr_vars.
6067 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6068 expressions from being merged into one.
6069 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6070 (struct tree_niter_desc): Add control, bound and cmp fields.
6071 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6073 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6074 (tree-cfgcleanup.o): Add SCEV_H dependency.
6075 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6076 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6078 2006-02-14 Richard Guenther <rguenther@suse.de>
6080 PR tree-optimization/26258
6081 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6082 in PHI argument processing.
6084 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6086 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6087 new expression in the requested machine mode.
6089 2006-02-13 Roger Sayle <roger@eyesopen.com>
6091 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6092 directly, instead let do_compare_rtx_and_jump handle this for us.
6093 * expr.c (expand_expr_real_1): Likewise.
6094 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6095 before do_jump_by_parts_greater.
6096 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6097 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6099 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6101 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6103 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6105 PR rtl-optimization/26235
6106 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6107 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6110 2006-02-13 Jeff Law <law@redhat.com>
6112 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6115 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6118 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6119 twice if decl is a builtin. When trying again, call get_callee_fndecl
6120 first to verify it is still a builtin.
6122 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6124 * dwarf2out.c (base_type_die): Don't add AT_name here.
6125 (subrange_type_die): Don't add AT_name here.
6126 (modified_type_die): Rearrange code flow. Do add AT_name here.
6128 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6130 PR rtl-optimization/26247
6131 PR rtl-optimization/26248
6132 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6134 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6136 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6137 * config/fixtfdi.c: Likewise.
6138 * config/fixunstfdi.c: Likewise.
6139 * config/floatditf.c: Likewise.
6141 2006-02-13 Roger Sayle <roger@eyesopen.com>
6144 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6145 into (X,C2) if C1 is a subset of the bits of C2. Transform
6146 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6148 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6150 2006-02-13 Josh Conner <jconner@apple.com>
6153 * varasm.c (function_section): Check for section name before
6154 calling select_section on targets that define
6155 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6156 unlikely_text_section instead of hot_function_section if
6157 first_function_block_is_cold.
6159 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6162 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6164 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6166 PR rtl-optimization/26222
6167 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6168 after tree->rtl expansion.
6169 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6170 before passing it to emit_move_insn.
6172 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6174 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6176 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6177 Clarify documentation.
6178 * c-common.h (warn_write_strings): Remove.
6179 * c-common.c (warn_write_strings): Likewise.
6180 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6183 2006-02-12 Roger Sayle <roger@eyesopen.com>
6186 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6187 (do_jump_parts_zero_rtx): New function renamed from
6188 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6189 (do_jump_parts_equality_rtx): New function split out from
6190 do_jump_parts_equality. Old implementation renamed as above.
6191 Call do_jump_parts_zero_rtx if either operand is zero.
6192 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6193 do all of the heavy lifting.
6194 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6195 calling either do_jump_by_parts_greater_rtx or
6196 do_jump_by_parts_equality_rtx.
6197 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6198 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6199 moved to do_compare_rtx_and_jump, call it directly.
6200 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6201 mode argument. Call do_compare_rtx_and_jump.
6202 (emit_case_nodes): Update calls to do_jump_if_equal.
6204 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6206 PR rtl-optimization/26225
6207 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6209 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6211 PR rtl-optimization/26232
6212 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6214 2006-02-11 Jason Merrill <jason@redhat.com>
6217 * tree-inline.c (declare_return_variable): Just don't use the
6218 modify target if it's a gimple complex reg and the return slot
6221 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6223 * doc/contrib.texi: Update my entry.
6225 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6227 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6229 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6231 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6234 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6236 * doc/invoke.texi (-floop-optimize2): Removed.
6237 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6238 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6239 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6240 * common.opt (floop-optimize2): Removed.
6241 (fmove-loop-invariants): Enabled by default.
6243 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6245 * tree-if-conv.c (combine_blocks): Free the result of
6246 get_loop_exit_edges.
6248 2006-02-10 Jeff Law <law@redhat.com>
6250 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6252 PR tree-optimization/26213
6253 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6254 loop trying to follow SSA_NAME_VALUE chains.
6256 2006-02-10 Richard Guenther <rguenther@suse.de>
6258 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6259 deal with structures that end in implicitly variable sized arrays.
6261 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6263 PR rtl-optimization/24762
6264 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6267 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6269 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6270 (struct ivopts_data): Add regs_used field.
6271 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6272 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6273 instead of loop_data->regs_used;
6274 (free_loop_data): Do not free aux fields for loops.
6275 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6276 and tree_ssa_iv_optimize_finalize.
6278 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6280 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6282 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6285 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6286 computing the effective result type.
6288 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6291 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6292 (tree_overlaps_hard_reg_set): Declare.
6293 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6294 type and signature to match function type expected by walk_tree.
6295 (tree_overlaps_hard_reg_set): New function.
6296 (decl_conflicts_with_clobbers_p): Rename to:
6297 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6298 Use tree_overlaps_hard_reg_set. Changed caller.
6299 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6300 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6301 * cris.c (cris_md_asm_clobbers): Likewise.
6303 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6305 * reload1.c (emit_input_reload_insns): Delete code that tries to
6306 inherit using find_equiv_reg.
6308 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6310 * c-common.h (flag_const_strings): Don't declare.
6311 * c-common.c (flag_const_strings): Remove.
6312 * c.opt (fconst_strings): Remove.
6313 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6314 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6315 (c_common_init_options): Don't set flag_const_strings.
6316 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6318 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6320 * arm.md (tlobits_cbranch): New pattern.
6321 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6322 testing a single bit.
6324 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6327 * tree-ssa-pre.c (create_component_ref_by_pieces):
6328 Handle RETURN_DECL like VAR_DECL.
6330 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6333 * fold-const.c (fold_indirect_ref_1): Fold
6334 "*(foo *)&complexfoo" to "__real__ complexfoo"
6335 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6337 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6339 * tree-flow-inline.h (var_can_have_subvars):
6340 Volatile variables should not have subvariables.
6342 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6345 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6346 multiplying unsigned values.
6349 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6351 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6353 2006-02-08 Jason Merrill <jason@redhat.com>
6356 * tree.def: Elaborate on difference from MODIFY_EXPR.
6357 * doc/c-tree.texi (INIT_EXPR): Likewise.
6358 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6359 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6360 (gimplify_target_expr): Likewise.
6361 (gimplify_cond_expr): Remove target handling.
6362 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6363 (gimplify_expr): Clobber it here.
6364 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6365 Do return slot optimization if we have an INIT_EXPR.
6368 * tree-inline.c (declare_return_variable): Also clear
6369 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6372 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6375 * gimplify.c (gimplify_one_sizepos): Fix typo.
6377 2006-02-08 Jeff Law <law@redhat.com>
6379 PR tree-optimization/21417
6380 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6381 across a backedge if the control statement at the end of the
6382 block is data dependent on other statements in the same block.
6383 (record_temporary_equivalences_from_stmts): Remove over-conservative
6384 test for threading across backedges.
6386 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6387 control statement, handle all three special cases in the same
6388 manner as they all have the same desired solution. No longer
6389 special case edge flag updating when the post dominator is
6392 2006-02-08 Roger Sayle <roger@eyesopen.com>
6394 * tree.def (CHAR_TYPE): Remove.
6395 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6396 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6397 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6398 (gen_string_type_die): Delete unreachable function.
6400 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6401 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6402 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6403 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6404 * builtins.c (type_to_class): Likewise.
6405 * fold-const.c (fold_convert, build_range_check,
6406 merge_ranges): Likewise.
6407 * expr.c (count_type_elements): Likewise.
6408 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6409 * stor-layout.c (layout_type): Likewise.
6410 * ipa-type-escape.c (type_to_consider): Likewise.
6411 * gimplify.c (omp_firstprivatize_type_sizes,
6412 gimplify_type_sizes): Likewise.
6413 * explow.c (promote_mode): Likewise.
6414 * tree-sra.c (is_sra_scalar_type): Likewise.
6415 * varasm.c (output_constant): Likewise.
6416 * tree-inline.c (remap_type_1): Likewise.
6417 * convert.c (convert_to_pointer, convert_to_real,
6418 convert_to_integer, convert_to_complex): Likewise.
6420 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6422 * df-scan.c (df_def_record_1): A set destination may
6423 be a parallel regardless of mode.
6425 2006-02-08 Roger Sayle <roger@eyesopen.com>
6428 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6429 * config/mips/_tilib.c: Remove.
6430 * config/fixtfdi.c: New libgcc source file.
6431 * config/fixunstfdi.c: New source file.
6432 * config/floatditf.c: New source file.
6433 * config/floatunditf.c: New souce file.
6434 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6435 files above instead of config/mips/_tilib.c.
6436 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6438 2006-02-08 Jeff Law <law@redhat.com>
6440 PR tree-optimization/26169
6441 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6444 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6446 * df.h (DF_REG_SIZE): Return the length of the initialized
6449 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6451 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6452 __muldf3): Return a correctly signed zero.
6454 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6456 * passes.c (register_one_dump_file): Accept the current properties
6457 instead of pass number. Adjust call to dump_register. Remove
6459 (register_dump_files): Now a wrapper around...
6460 (register_dump_files_1): ... this one. Do not modify the pass
6462 (next_pass_1): Cosmetic fix.
6463 (execute_todo): Keep second parameter only. Use curr_properties
6464 instead of fetching it from the pass structure. Check and set
6466 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6467 instead of fetching it from the pass structure. Fix calls to
6468 execute_todo. Update curr_properties and initialize .vcg RTL dump
6469 after running the pass. Reset last_verified.
6470 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6472 (FIRST_AUTO_NUMBERED_DUMP): New.
6473 (dump_register): Remove "num" parameter, assign it within the
6475 (get_dump_file_name): Modify template for dumps.
6476 * tree-dump.h (dump_register): Adjust prototype.
6477 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6478 (PROP_trees): Add PROP_gimple_lomp.
6479 (TODO_set_props): New.
6480 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6481 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6482 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6484 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6486 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6487 (sparc64-*-linux*): Likewise.
6488 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6489 * config/sparc/t-linux: New file.
6490 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6491 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6492 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6493 -m32 -mlong-double-128.
6495 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6496 * config/alpha/t-linux: New file.
6497 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6499 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6500 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6501 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6502 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6503 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6504 (CPP_ARCH32_SPEC): Remove.
6506 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6508 PR tree-optimization/26145
6509 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6512 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6515 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6516 >= 240000 when generating code for SOM runtime.
6517 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6518 to $$dyncall when generating code for SOM runtime..
6520 2006-02-07 Dirk Mueller <dmueller@suse.com>
6523 * doc/invoke.texi (-Wsequence-point): Update documentation
6524 that -Wsequence-point is implemented for C++ as well.
6526 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6528 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6529 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6530 (LIB_SPEC): Likewise.
6531 * doc/invoke.texi (SPARC options): Document -pthread.
6533 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6535 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6538 2006-02-07 Roger Sayle <roger@eyesopen.com>
6540 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6541 Correct comment describing BOOLEAN_TYPE.
6543 2006-02-07 Dirk Mueller <dmueller@suse.com>
6545 * c.opt: C++ frontend supports -Wdiv-by-zero.
6546 * c-opts.c (c_common_handle_option): Remove dead case.
6548 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6550 * configure.ac (TLS assembler check): Do not enable TLS by
6551 default on SPARC/Solaris before version 10.
6552 * configure: Regenerate.
6554 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6556 * doc/invoke.texi (xl-compat): Document conversion and support
6559 2006-02-07 Jeff Law <law@redhat.com>
6561 * tree-vrp.c (find_conditional_asserts): Update comments.
6562 (simplify_stmt_for_jump_threading): New.
6563 (identify_jump_threads, finalize_jump_threads): New.
6564 (vrp_finalize): Call identify_jump_threads.
6565 (execute_vrp): Call finalize_jump_threads.
6566 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6567 (vrp_element, vrp_data, vrp_element_p): Remove.
6568 (vrp_hash_elt, vrp_variables_stack): Remove.
6569 (vrp_hash, vrp_eq, record_range): Remove.
6570 (simplify_cond_and_lookup_avail_expr): Remove.
6571 (extract_range_from_cond): Remove.
6572 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6573 (simplify_stmt_for_jump_threading): New.
6574 (dom_thread_across_edge): New wrapper.
6575 (tree_ssa_dominator_optimize): No longer initialize or
6576 finalize any of the VRP datastructures. Remove iteration
6577 step and simplify as a result of removal of iteration step.
6578 (pass_dominator): Perform a cfg cleanup after DOM.
6579 (dom_opt_finalize_block): Use the new common routines
6580 for threading jumps. Simplify stack management slightly.
6581 No longer need to unwind VRP state.
6582 (record_equivalences_from_incoming_edge): No longer record
6584 (eliminate_redundant_computations): No longer call
6585 simplify_cond_and_lookup_avail_expr.
6586 * tree-flow.h (potentially_threadable_block): Prototype.
6587 (thread_across_edge): Likewise.
6588 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6589 (tree-ssa-threadedge.o): Add dependencies.
6590 * tree-ssa-threadedge.c: New file.
6591 * passes.c (init_optimization_passes): Merge PHIs before
6592 calling VRP. Run VRP again late in the SSA optimization pipeline.
6594 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6596 * df-core.c (df_set_blocks): Do not dereference function pointers.
6597 (df_finish1): Likewise.
6598 (df_hybrid_search_forward): Likewise.
6599 (df_hybrid_search_backward): Likewise.
6600 (df_iterative_dataflow): Likewise.
6601 (df_analyze_problem): Likewise.
6602 (df_compact_blocks): Likewise.
6603 (df_dump): Likewise.
6604 * df-scan.c (df_rescan_blocks): Likewise.
6605 (df_record_entry_block_defs): Likewise.
6607 * genconditions.c (write_conditions): Guard the definition of
6608 'insn_conditions' with the check on GCC version.
6609 (write_writer): Guard the traversal 'insn_conditions' with
6610 the check on GCC version.
6612 2006-02-07 Richard Guenther <rguenther@suse.de>
6616 2006-01-30 Richard Guenther <rguenther@suse.de>
6618 * gimplify.c (gimplify_target_expr): Handle easy cases
6619 without creating a temporary.
6621 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6623 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6624 use of float in probability computations. Use edge probabilities
6625 in place of statically computed probabilities.
6626 (min_spec_prob): New static variable.
6627 (schedule_insns): Initialize it.
6628 (GET_SRC_PROB): Removed.
6629 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6631 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6634 * config/ia64/unwind-ia64.c: Revert last change.
6635 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6636 (INCOMING_FRAME_SP_OFFSET): Define.
6638 2006-02-06 Roger Sayle <roger@eyesopen.com>
6640 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6642 2006-02-07 Ben Elliston <bje@au.ibm.com>
6644 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6645 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6646 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6647 (ix86_return_in_memory): Handle TDmode.
6648 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6649 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6651 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6653 * reorg.c (dbr_schedule): Use dump_file instead of file.
6655 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6658 * config/ia64/predicates.md (extr_len_operand): New predicate.
6659 * config/ia64/ia64.md (extv): Tighten constraints.
6661 (*tbit_and_2): Ditto.
6662 (*tbit_and_3): Ditto.
6663 (*tbit_or_2): Ditto.
6664 (*tbit_or_3): Ditto.
6668 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6671 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6673 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6675 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6676 loop_optimizer_init and loop_optimizer_finalize
6677 * tree-ssa-sink.c (execute_sink_code): Ditto.
6678 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6679 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6680 tree_ssa_loop_done): Ditto.
6681 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6682 * sched-ebb.c: Include output.h.
6683 (schedule_ebbs): Do not use dump argument.
6684 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6685 * loop.c (loop_dump_stream): Removed.
6686 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6688 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6689 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6690 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6691 loop_iterations, strength_reduce, record_biv, record_giv,
6692 final_giv_value, check_final_value, check_ext_dependent_givs,
6693 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6694 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6695 dump_file instead of loop_dump_stream.
6696 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6698 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6700 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6701 * haifa-sched.c: Include output.h
6702 (schedule_insns, sched_init): Do not use dump argument.
6703 * mode-switching.c (optimize_mode_switching): Ditto.
6704 * modulo-sched.c (stats_file): Removed.
6705 (print_node_sched_params): Do not call argument dump_file.
6706 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6707 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6709 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6711 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6712 rtl_loop_init, rtl_loop_done): Ditto.
6713 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6714 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6716 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6717 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6718 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6719 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6720 * emit-rtl.c (renumber_insns): Ditto.
6721 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6722 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6723 * regclass.c (regclass): Ditto.
6724 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6725 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6726 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6727 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6729 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6730 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6732 * gcse.c (gcse_file, debug_stderr): Removed.
6733 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6734 rest_of_handle_gcse): Do not use dump argument.
6735 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6736 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6737 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6738 compute_code_hoist_vbeinout, compute_code_hoist_data,
6739 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6740 compute_store_table, build_store_vectors, insert_insn_start_bb,
6741 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6742 store_motion): Use dump_file instead of gcse_file.
6743 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6744 * profile.c (profile_dump_file): Removed.
6745 (branch_prob): Use dump_file instead of profile_dump_file.
6746 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6748 * tree-ssa-copy.c (dump_copy_of): Ditto.
6749 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6750 dump file to life_analysis.
6751 * bt-load.c (branch_target_load_optimize): Ditto.
6752 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6754 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6755 regclass, dbr_schedule): Declaration changed.
6756 * sched-int.h (sched_init): Declaration changed.
6757 * tree-profile.c (tree_profile_dump_file): Removed.
6758 (tree_profile_hooks): Removed profile_dump_file hook.
6759 * rtl-profile (rtl_profile_dump_file): Removed.
6760 (rtl_profile_hooks): emoved profile_dump_file hook.
6761 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6763 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6764 * tree-cfg.c (build_tree_cfg): Ditto.
6765 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6766 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6767 Declaration changed.
6768 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6769 life_analysis and schedule_insns.
6770 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6772 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6774 * config/mips/mips.c (mips_reorg): Ditto.
6775 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6778 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6780 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6781 (s390_mangle_fundamental_type): New.
6782 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6785 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6786 (alpha_mangle_fundamental_type): New.
6787 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6790 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6792 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6794 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6795 (sparc_mangle_fundamental_type): New.
6797 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6799 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6800 (s390x-*-linux*): Likewise.
6801 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6802 * config/s390/t-linux: New file.
6804 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6806 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6807 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6809 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6811 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6812 (ANTIC_SAFE_LOADS): New macro.
6813 (find_or_generate_expression): Add prototype.
6814 (set_contains_value): Allow null set for sake of not always having
6815 to allocate ANTIC_SAFE_LOADS.
6816 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6817 Allow COMPONENT_REF too.
6818 (valid_in_set): Allow COMPONENT_REF.
6819 Check ANTIC_SAFE_LOADS too.
6820 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6821 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6823 (can_PRE_operation): Add COMPONENT_REF.
6824 (create_component_ref_by_pieces): New function.
6825 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6826 (insert_aux): Move AGGREGATE_TYPE_P check here.
6827 (compute_avail): Set bb local stmt uids.
6828 (pass_pre): Use TODO_update_ssa_only_virtuals.
6830 2006-02-06 Ben Elliston <bje@au.ibm.com>
6832 * configure.ac: Unconditionally disable decimal float by default.
6833 * configure: Regenerate.
6835 2006-02-06 Ben Elliston <bje@au.ibm.com>
6837 * read-rtl.c (read_name): Terminate reading on EOF.
6839 2006-02-06 Ben Elliston <bje@au.ibm.com>
6841 * dfp.c (decimal_real_arithmetic): Change second argument type
6842 from int to enum tree_code. Do not always return true, but now
6843 return result of any call to decimal_do helper functions.
6844 * dfp.h (decimal_real_arithmetic): Update prototype.
6846 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6848 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6850 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6853 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6856 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6858 * tree-vrp.c (cfg_loops): Removed.
6859 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6860 Use current_loops instead of cfg_loops. Pass flags to
6861 loop_optimizer_init.
6862 * cfgloopmanip.c (fix_loop_structure): Update only available
6864 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6865 loop_optimizer_init.
6866 * modulo-sched.c (build_loops_structure): Removed.
6867 (sms_schedule): Use loop_optimizer_init.
6868 * loop-init.c (loop_optimizer_init): Use flags to determine
6869 which properties of loops to prepare.
6870 (rtl_loop_init): Pass flags to loop_optimizer_init.
6871 * tree-ssa-sink.c (execute_sink_code): Ditto.
6872 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6873 * tree-ssa-pre.c (init_pre): Ditto.
6874 * cfgloop.h (LOOPS_NORMAL): New.
6875 (loop_optimizer_init): Declaration changed.
6877 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6879 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6880 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6882 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6884 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6886 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6887 * pa/t-pa64: Delete quadlib.c rule.
6888 * pa/x-ada: Revert last change.
6889 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6891 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6893 PR rtl-optimization/26087
6894 * rtlanal.c (canonicalize_condition): Do not cross basic block
6897 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6900 * config/ia64/ia64.c: Include debug.h.
6901 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6902 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6903 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6904 (process_epilogue, process_set, process_for_unwind_directive):
6905 Output unwind info only if requested. Add CFA info if requested.
6906 Add new arguments as needed. Adjust callers.
6907 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6909 (DWARF2_FRAME_INFO): Define to zero.
6910 * config/ia64/unwind-ia64.c: Remove code that compensated for
6911 the CFA offset error fixed above.
6912 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6913 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6914 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6915 -funwind-tables and -fexceptions to enable frame info.
6916 (dwarf2out_frame_init): Define initial CFA even if
6917 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6918 DWARF2_UNWIND_INFO is nonzero, not just defined.
6919 (dwarf2out_frame_finish): Output non-EH call frame info only
6920 if DWARF2_FRAME_INFO is nonzero.
6921 (convert_cfa_to_loc_list,
6922 compute_frame_pointer_to_cfa_displacement): Define even if
6923 unwind info is not supported.
6924 (gen_subprogram_die): Use the above unconditionally. Remove
6925 legacy alternate code.
6926 * toplev.c (compile_file): Compile in call to
6927 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6928 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6930 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6931 Jakub Jelinek <jakub@redhat.com>
6933 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6934 IBM extended float format long double as "g" on powerpc*-linux.
6936 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6939 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6940 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6942 2006-02-03 Jason Merrill <jason@redhat.com>
6945 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6948 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6949 on the return slot if it's an NRV.
6951 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6953 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6954 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6955 rewrite_use): Do not handle USE_OUTER.
6956 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6957 add_iv_outer_candidates, may_replace_final_value,
6958 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6959 (find_interesting_uses_op): Functionality of
6960 find_interesting_uses_outer_or_nonlin moved here.
6961 (find_interesting_uses_outside): Use find_interesting_uses_op.
6963 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6966 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6968 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6969 Ulrich Weigand <uweigand@de.ibm.com>
6972 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6973 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6974 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6975 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6977 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6978 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6979 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6980 Define secondary reloads for TFmode moves.
6981 (constant_modes): Add TFmode.
6982 (NR_C_MODES): Set to 8.
6983 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6985 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6986 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6987 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6988 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6989 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6990 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6991 (FPR mode macro): Add TFmode.
6992 (DSF mode macro): New.
6993 (<de>, <dee> mode attributes): Removed.
6994 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6995 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6996 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6997 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6998 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6999 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7000 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7001 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7002 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7003 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7004 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7005 "*negabs<mode>2", "sqrt<mode>2"):
7006 Changed <de> to <xde>. R constraint replaced by <Rf>.
7007 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7009 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7010 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7011 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7013 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7014 "extenddftf2", "extendsftf2"): New expanders.
7015 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7016 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7017 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7018 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7020 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7021 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7022 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7023 __floatditf): Add a GCC_4.1.0 symbol version tag.
7024 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7027 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7030 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7031 Use targetm.binds_local_p instead of TREE_PUBLIC.
7033 2006-02-02 Roger Sayle <roger@eyesopen.com>
7035 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7036 on INTEGER_TYPEs to indicate that it denotes a character type.
7037 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7038 signed_char_type_node, unsigned_char_type_node and char_type_node.
7039 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7040 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7041 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7043 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7044 Daniel Berlin <dberlin@dberlin.org>
7046 * tree-tailcall.c (arg_needs_copy_p): New function.
7047 (eliminate_tail_call): Use arg_needs_copy_p.
7048 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7049 (add_virtual_phis): New function.
7051 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7053 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7054 #ignore instead of #scratch for %g7 .register directive.
7056 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7058 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7061 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7063 * flow.c (calculate_global_regs_live): Assert that there aren't any
7066 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7068 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7070 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7071 bsi_after_labels iterator.
7072 * tree-if-conv.c (find_phi_replacement_condition,
7073 replace_phi_with_cond_modify_expr): Likewise.
7074 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7075 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7077 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7079 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7081 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7084 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7085 array after growing it.
7087 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7090 * fold-const.c (fold_checksum_tree): Change type of buf.
7092 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7094 * reload.c (push_secondary_reload): Initialize t_icode.
7096 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7098 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7099 -msoft-float -mlong-double-128 only issue a warning, but don't
7100 swich to DFmode long double.
7102 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7104 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7105 has a constant equivalent, iterate over equivalents for arg0,
7106 calling simplify_relational_operation and if there's a result
7107 cheaper than X, apply fold_rtx and return the result.
7109 2006-02-01 Jan Hubicka <jh@suse.cz>
7111 * opts.c (no_unit_at_a_time_default): New global variable.
7112 (decode_options): Use it.
7113 * opts.h (no_unit_at_a_time_default): Declare.
7115 2006-02-01 Paul Brook <paul@codesourcery.com>
7117 * function.c (assign_parm_setup_reg): Use function argument promotion
7119 * expr.c (expand_expr_real_1): Use function argument promotion rules
7122 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7124 * gcc.c (process_command): Change j to 'unsigned int'.
7126 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7129 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7130 Use the corrected index for the character
7131 out of the string constant.
7133 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7135 * mode-switching.c (optimize_mode_switching): Fix size
7136 allocated for bb_info[n_entities].
7138 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7140 * gcc.c (main): Correct type that is allocated for
7141 explicit_link_files.
7143 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7145 * config/s390/s390.c (init_alignment_context): Set
7146 ALIAS_SET_MEMORY_BARRIER on the MEM.
7147 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7149 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7152 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7154 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7157 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7159 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7160 * regrename.c: Ditto.
7161 * tree-ssa-loop-im.c: Ditto.
7162 * tree-dump.c: Ditto.
7163 * tree-complex.c: Ditto.
7164 * genrecog.c: Ditto.
7165 * tree-ssa-threadupdate.c: Ditto.
7167 * java/class.c: Ditto.
7168 * java/jcf-parse.c: Ditto.
7169 * java/resource.c: Ditto.
7170 * java/except.c: Ditto.
7171 * java/jvspec.c: Ditto.
7172 * java/jcf-write.c: Ditto.
7173 * java/jcf-path.c: Ditto.
7174 * java/gjavah.c: Ditto.
7175 * java/zextract.c: Ditto.
7176 * java/jcf-io.c: Ditto.
7177 * java/jcf.h: Ditto.
7178 * java/buffer.c: Ditto.
7179 * java/lang.c: Ditto.
7180 * java/parse-scan.y: Ditto.
7181 * java/lex.c: Ditto.
7182 * java/lex.h: Ditto.
7183 * cfgloopmanip.c: Ditto.
7184 * postreload-gcse.c: Ditto.
7185 * tree-ssa-loop-manip.c: Ditto.
7186 * postreload.c: Ditto.
7187 * tree-ssa-loop-ch.c: Ditto.
7191 * diagnostic.c: Ditto.
7193 * genoutput.c: Ditto.
7195 * cfghooks.c: Ditto.
7196 * cfgloopanal.c: Ditto.
7197 * objc/objc-act.c: Ditto.
7199 * genextract.c: Ditto.
7200 * genautomata.c: Ditto.
7201 * pretty-print.c: Ditto.
7203 * cgraphunit.c: Ditto.
7206 * haifa-sched.c: Ditto.
7207 * dominance.c: Ditto.
7209 * tree-ssa-loop-ivopts.c: Ditto.
7211 * mode-switching.c: Ditto.
7212 * modulo-sched.c: Ditto.
7214 * ipa-pure-const.c: Ditto.
7216 * fix-header.c: Ditto.
7218 * tree-stdarg.c: Ditto.
7219 * ipa-utils.c: Ditto.
7220 * loop-init.c: Ditto.
7221 * ipa-inline.c: Ditto.
7224 * alloc-pool.c: Ditto.
7225 * dwarf2out.c: Ditto.
7227 * genattrtab.c: Ditto.
7228 * tree-ssa-loop-ivcanon.c: Ditto.
7232 * fortran/gfortranspec.c: Ditto.
7234 * local-alloc.c: Ditto.
7235 * langhooks.c: Ditto.
7236 * function.c: Ditto.
7237 * tree-vectorizer.c: Ditto.
7239 * ipa-type-escape.c: Ditto.
7241 * tree-if-conv.c: Ditto.
7244 * tree-data-ref.c: Ditto.
7245 * loop-unroll.c: Ditto.
7246 * treelang/treetree.c: Ditto.
7249 * ggc-common.c: Ditto.
7251 * coverage.c: Ditto.
7253 * tree-cfgcleanup.c: Ditto.
7254 * tree-ssa-pre.c: Ditto.
7255 * cfgcleanup.c: Ditto.
7256 * loop-invariant.c: Ditto.
7258 * ipa-prop.c: Ditto.
7259 * print-tree.c: Ditto.
7260 * conflict.c: Ditto.
7261 * ggc-page.c: Ditto.
7262 * sched-deps.c: Ditto.
7263 * regclass.c: Ditto.
7264 * tree-object-size.c: Ditto.
7266 * bb-reorder.c: Ditto.
7267 * resource.c: Ditto.
7268 * var-tracking.c: Ditto.
7270 * df-problems.c: Ditto.
7271 * reg-stack.c: Ditto.
7274 * sched-rgn.c: Ditto.
7275 * tree-ssa-structalias.c: Ditto.
7276 * tree-ssa-reassoc.c: Ditto.
7277 * config/darwin-c.c: Ditto.
7278 * config/darwin.c: Ditto.
7279 * config/arm/arm.c: Ditto.
7281 * collect2.c: Ditto.
7284 2006-01-31 Nicolas Pitre <nico@cam.org>
7286 * arm.md (smaxsi3): Make aware of smax_m1.
7289 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7291 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7293 2006-01-31 Richard Guenther <rguenther@suse.de>
7295 * doc/invoke.texi (-msselibm): Document.
7296 * target.h (expand_library_builtin): New target hook.
7297 * builtins.c (expand_builtin): Use expand_library_builtin.
7298 (default_expand_library_builtin): New function.
7299 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7300 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7301 (link_gcc_math_spec): Declare.
7302 (static_specs): Add link_gcc_math_spec.
7303 * expr.h (default_expand_library_builtin): Declare.
7304 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7305 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7306 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7307 * config/i386/i386.opt (msselibm): New target option.
7308 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7309 (ix86_init_sse_abi_builtins): New function.
7310 (ix86_expand_library_builtin): Likewise.
7311 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7312 (override_options): Handle error conditions wrt -msselibm.
7313 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7314 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7315 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7318 2006-01-31 Richard Guenther <rguenther@suse.de>
7319 Paolo Bonzini <bonzini@gnu.org>
7321 * doc/install.texi (--disable-libgcc-math): Document.
7323 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7325 * expr.h (expand_normal): new inline function.
7326 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7328 * dwarf2out.c: use it.
7333 * config/sparc/sparc.c: use it.
7334 * config/i386/i386.c: use it.
7335 * config/rs6000/rs6000.c: use it.
7336 * config/arm/arm.c: use it.
7337 * config/mips/mips.c: use it.
7338 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7340 2006-01-30 Roger Sayle <roger@eyesopen.com>
7342 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7343 argv to the appropriate type.
7345 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7347 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7350 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7353 * config/s390/s390.c (struct machine_function): New flag
7354 decomposed_literal_pool_addresses_ok_p.
7355 (s390_reorg): Set it before final stage of literal pool transforms.
7356 (s390_decompose_address): Only accept displacements of the form
7357 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7359 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7361 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7362 the comparison routine return.
7364 2006-01-30 Michael Matz <matz@suse.de>
7366 * global.c (find_reg): Only evict for global regs.
7367 Take n_refs into account and dump more info.
7369 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7372 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7373 (pragma_trap, pragma_nosave_low_regs): Likewise.
7374 (current_function_anonymous_args): Likewise.
7375 (sh_deferred_function_attributes): New variable.
7376 (sh_deferred_function_attributes_tail): Likewise.
7377 (print_operand): For '@', look up trap_exit attribute.
7378 (calc_live_regs): Look up trapa_handler attribute. For trapa
7379 handlers, save/restore fpscr, but don't do any other
7380 interrupt-specific saves.
7381 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7382 Fix check for partially saved registers to check for SHmedia.
7383 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7384 (sh_output_function_epilogue): Don't clear any of the removed
7386 (sh_insert_attributes): Don't check pragma_interrupt.
7387 Insert deferred attributes. Check that interrupt attribute is
7388 present for other attributes that require its presence.
7389 (sh_attribute_table): Add new attributes trapa_handler and
7391 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7392 Don't check for pragma_interrupt. Don't store argument.
7393 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7394 (sh_deferred_function_attributes): Declare.
7395 (sh_deferred_function_attributes_tail): Likewise.
7396 * sh.md (sp_switch_1): Add operand. Change generator caller.
7397 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7398 (*return_i): Don't use when trap_exit attribute is in effect.
7399 (*return_trapa): New insn pattern.
7401 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7402 setting c_target_objs and cxx_target_objs.
7403 * t-sh: Add rule for sh-c.o.
7405 2006-01-30 Richard Guenther <rguenther@suse.de>
7408 * gimplify.c (gimplify_target_expr): Handle easy cases
7409 without creating a temporary.
7411 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7413 * vec.h (safe_grow): Remove duplicated line.
7415 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7418 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7419 (expand_omp): ... here.
7420 (expand_omp_parallel): Only remove barriers for combined
7421 parallel+workshare constructs.
7423 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7427 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7428 * tree.c (build_qualified_type): Chain the new type to the original
7429 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7430 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7431 (build_pointer_type_for_mode): Only return unqualified types.
7432 (build_reference_type_for_mode): Likewise.
7434 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7436 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7437 * Makefile.in (CXX_COMPAT_WARN): Define.
7438 * configure: Regenerate.
7440 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7443 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7446 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7448 * toplev.c: Fix thinko.
7450 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7451 Marcin Dalecki <martin@dalecki.de>
7453 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7454 (push_srcloc): Use XNEW.
7455 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7457 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7459 * df-core.c (df_set_blocks): Deleted all variable.
7461 2006-01-28 Ian Lance Taylor <ian@airs.com>
7463 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7464 cgraph_output_pending_asms.
7466 2006-01-28 Zack Weinberg <zackw@panix.com>
7468 * c.opt: Add -W(no-)overlength-strings.
7469 * doc/invoke.texi: Document it.
7470 * c-opts.c (c_common_handle_option): -pedantic implies
7471 -Woverlength-strings, if not explicitly disabled already.
7472 (c_common_post_options): -Woverlength-strings defaults to off, and
7473 is always off for C++.
7474 * c-common.c (fix_string_type): Issue warning about strings longer
7475 than is portable only if warn_overlength_strings. Rearrange code
7476 a little for clarity.
7477 * configure.in: Check for -Wno-overlength-strings as well before
7478 enabling -pedantic in stage 1.
7479 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7480 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7482 * genconditions.c (write_header, write_one_condition)
7483 (write_conditions, write_writer): Consolidate very long strings
7484 that were broken up to fit in C89 portable limit. Don't use
7485 printf when fputs will do.
7487 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7489 * combine.c (simplify_comparison <AND>): Check
7490 TRULY_NOOP_TRUNCATION before start using a subreg.
7492 * config/mips/mips.md (*branch_zero<mode>,
7493 *branch_zero<mode>_inverted, *branch_equality<mode>,
7494 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7495 Remove mode check from comparisons.
7497 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7499 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7501 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7503 * expmed.c (const_mult_add_overflow_p): Remove.
7504 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7506 * recog.c (validate_replace_rtx_subexp): Remove.
7507 * recog.h: Remove the prototype for
7508 validate_replace_rtx_subexp.
7510 * integrate.h: Remove the prototype for
7511 copy_decl_for_inlining.
7512 * rtl.h: Remove the prototype for mark_constant_function.
7513 * tree-vectorizer.h: Remove the prototype for
7514 vect_strip_conversion.
7516 * modulo-sched.c (create_partial_schedule,
7517 free_partial_schedule, reset_partial_schedule): Make them
7520 * hooks.c (hook_bool_rtx_int_false): Remove.
7521 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7523 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7525 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7526 and -mlong-double-128 are incompatible.
7527 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7528 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7529 (TARGET_LIBGCC2_CFLAGS): Define.
7530 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7531 (TARGET_LIBGCC2_CFLAGS): Same.
7532 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7534 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7537 * c-typeck.c (build_binary_op): Perform implicit casts of
7538 operands before shortening them.
7540 * cfgloopmanip.c (split_loop_bb): Remove.
7541 * cfgloop.h: Remove the prototype for split_loop_bb.
7543 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7544 * cfgloop.h: Remove the prototype for
7545 flow_loop_outside_edge_p.
7547 * emit-rtl.c (init_virtual_regs): Make it static.
7548 * function.h: Remove the prototype for init_virtual_regs.
7550 * recog.c (peephole2_optimize): Make it static.
7551 * recog.h: Remove the prototype for peephole2_optimize.
7553 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7555 * df-scan.c (df_record_entry_block_defs): Check if
7556 INCOMING_RETURN_ADDR_RTX is defined.
7558 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7559 Kenneth Zadeck <zadeck@naturalbridge.com>
7561 PR rtl-optimization/24762
7562 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7563 * targhooks.c (hook_void_bitmap): New hook prototype.
7564 * targhoohs.h (hook_void_bitmap): Ditto.
7565 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7566 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7567 * target.h (live_on_entry): New function pointer.
7568 * df-scan.c (df_all_hard_regs): Removed.
7569 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7570 (df_scan_free_internal): Added df->entry_block_defs.
7571 (df_scan_alloc): Ditto.
7572 (df_scan_dump): Ditto.
7573 (df_uses_record): Plumbed flag field properly thru calls.
7574 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7575 This part fixes PR24762.
7576 (df_bb_refs_record): Added code to make the frame and arg
7577 pointers live in EH blocks.
7578 (df_refs_record): Added call to df_record_entry_block_defs.
7579 (df_record_entry_block_defs): New function.
7580 * df-core.c: Added comments to describe new artifical defs.
7581 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7582 (entry_block_defs): New field in struct df.
7583 (df_all_hard_regs): Deleted.
7584 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7585 * df-problems.c (df_ru_bb_local_compute_process_def):
7586 Added code to handle artifical defs in the entry to a function.
7587 (df_ru_bb_local_compute): Ditto.
7588 (df_rd_bb_local_compute_process_def): Ditto.
7589 (df_rd_bb_local_compute): Ditto.
7590 (df_lr_bb_local_compute): Ditto.
7591 (df_ur_bb_local_compute): Ditto.
7592 (df_urec_bb_local_compute): Ditto.
7593 (df_chain_create_bb): Ditto.
7594 (df_ur_local_finalize): Removed entry.
7595 (df_urec_init): Ditto.
7596 (df_urec_local_finalize): Ditto.
7597 (df_ri_bb_compute): Added detection of last use of pseudos.
7598 * Makefile.in (df-scan.o): Updated dependencies.
7599 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7600 * config/mips/mips.c (mips_set_live_on_entry): Added.
7601 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7603 * dce.c (marked_insn_p): Added code to handle artifical defs.
7605 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7607 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7609 (_mm_cvtsi128_si64): Likewise.
7610 (_mm_cvtsd_si64): Likewise.
7611 (_mm_cvttsd_si64): Likewise.
7612 (_mm_cvtsi64_sd): Likewise.
7613 (_mm_cvtsi64_si128): Likewise.
7614 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7615 (_mm_cvtsi64_m64): Likewise.
7616 (_m_to_int64): Likewise.
7617 (_mm_cvtm64_si64): Likewise.
7618 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7619 (_mm_cvttss_si64): Likewise.
7620 (_mm_cvtsi64_ss): Likewise.
7621 (_mm_cvtss_f32): Likewise.
7623 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7625 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7626 for pragma redefine_extname.
7628 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7631 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7632 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7633 -mno-minimal-toc to previous content.
7634 (bispecs): Remove goal.
7635 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7636 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7637 compatibility aliases on powerpc-*-*gnu*.
7638 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7639 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7640 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7641 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7642 (ldblspecs): New goal.
7643 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7644 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7646 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7647 L_sf_to_tf or L_df_to_tf is defined.
7649 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7650 Alan Modra <amodra@bigpond.net.au>
7653 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7654 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7655 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7656 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7657 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7658 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7659 (rs6000_override_options): Initialize rs6000_ieeequad.
7660 Initialize TFmode format to ibm_extended_format if not
7662 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7664 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7665 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7666 (function_arg_advance): IBM long double passed in two FPRs, not
7668 (function_arg): IBM long double passed in FPRs.
7669 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7670 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7671 Only multireg GPR aligned.
7672 (rs6000_init_libfuncs): Enable IBM long double functions if not
7674 (rs6000_generate_compare): Use IBM long double compare if not
7676 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7677 (TARGET_IEEEQUAD): Define.
7678 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7679 not TARGET_IEEEQUAD.
7680 * config/rs6000/rs6000.md: Enable TFmode patterns if
7682 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7683 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7684 and -mlong-double-128 are incompatible.
7685 * doc/invoke.texi (-mabi): Collect options together. Add
7686 ibmlongdouble and ieeelongdouble.
7688 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7690 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7692 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7693 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7694 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7695 * rtl.h (rtunion_def): Remove rt_ptr.
7697 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7698 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7699 * config/i386/winnt.c (i386_pe_mark_dllexport)
7700 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7702 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7704 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7706 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7710 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7711 pthread_key_delete. From John David Anglin. gthrw-ify
7712 pthread_getunique_np only if it it's not a macro. Delete
7714 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7715 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7716 __gthread_objc_condition_signal, __gthread_key_delete): Add
7717 "__attribute__ ((__unused__))" to unused arguments.
7718 (__gthread_recursive_mutex_init_function): Add missing return.
7719 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7720 gthr-posix95.h: Use macro-based approach for name redirection
7721 on targets missing weakref.
7723 2006-01-26 Zack Weinberg <zackw@panix.com>
7725 * genconditions.c (write_header): In generated code, #ifdef out
7726 all includes and fake declarations, except includes of bconfig.h
7727 and system.h, unless GCC_VERSION >= 3001. Do not include
7728 gensupport.h in any case.
7729 (write_conditions): Generate a definition of struct c_test. Add
7730 a comment to the generated #endif.
7731 (write_one_condition): Escape backslashes in string too.
7732 (write_writer): Generated code must escape backslashes and quote
7733 marks (but not newlines) in the strings it writes.
7734 * Makefile.in (build/gencondmd.o): Update dependencies.
7736 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7739 * Makefile.in (insn-automata.o): Add header file dependencies.
7740 * genautomata.c: Add includes.
7742 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7745 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7747 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7749 * configure.ac: Expect target tools paths to be passed from the toplevel
7750 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7752 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7754 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7757 * c.opt (Wpointer-sign): Init to -1.
7758 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7759 OPT_pedantic, to 0 otherwise.
7760 * doc/invoke.texi: Update.
7762 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7764 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7765 constants provided by 80387 instructions in the destination mode.
7767 2006-01-26 Richard Guenther <rguenther@suse.de>
7768 Andrew Pinski <pinskia@physics.uc.edu>
7771 partial PR tree-opt/17064
7772 * tree-ssa-structalias.c (intra_create_variable_infos):
7773 Create heap variables for incoming parameters if
7774 flag_argument_noalias > 1.
7775 (find_what_p_points_to): Look through default defs of
7778 2006-01-26 Jeff Law <law@redhat.com>
7781 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7782 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7783 within the VR_RANGE, use the VR_RANGE as the result, not the
7785 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7786 bounds for the type.
7788 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7790 * tree-ssa-alias.c (maybe_create_global_var): Change
7791 subvar walking to an assertion that we don't have subvar'd variables.
7793 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7796 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7797 Use a new variable, inner. PARM_DECLs are always non-weak.
7799 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7801 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7804 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7806 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7808 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7810 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7811 (smax_insn, smin_insn, smax_0, smin_0): New.
7813 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7816 * config/cris/cris.c (cris_order_for_addsi3): New function.
7817 * config/cris/cris-protos.h: Prototype it.
7818 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7819 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7820 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7821 (split for "op.S1 [rx=rx+i],ry (swapped)")
7822 (split for "op(s|u).S1 [rx=rx+i],ry")
7823 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7824 Apply cris_order_for_addsi3 when generating addsi3 insns.
7826 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7828 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7829 (TREE_BLOCK): Add call to EXPR_CHECK.
7831 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7834 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7835 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7836 (dump_omp_clauses): ... here.
7837 (dump_generic_node): Handle OMP_CLAUSE.
7838 * tree.c (omp_clause_num_ops): New.
7839 (omp_clause_code_name): New.
7840 (tree_code_size): Handle OMP_CLAUSE.
7841 (tree_size): Likewise.
7842 (make_node): Document handling of OMP_CLAUSE.
7843 (tree_node_structure): Handle OMP_CLAUSE.
7844 (omp_clause_check_failed): New.
7845 (omp_clause_range_check_failed): New.
7846 (omp_clause_operand_check_failed): New.
7847 (build_omp_clause): New.
7848 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7849 * tree.h (enum omp_clause_code): Declare.
7850 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7851 (OMP_CLAUSE_RANGE_CHECK): Define.
7852 (OMP_CLAUSE_ELT_CHECK): Define.
7853 (omp_clause_check_failed): Declare.
7854 (omp_clause_operand_check_failed): Declare.
7855 (omp_clause_range_check_failed): Declare.
7856 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7857 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7858 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7859 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7860 (OMP_CLAUSE_IF_EXPR): Likewise.
7861 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7862 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7863 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7864 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7865 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7866 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7867 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7868 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7869 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7870 (OMP_CLAUSE_CODE): Define.
7871 (OMP_CLAUSE_SET_CODE): Define.
7872 (OMP_CLAUSE_CODE): Define.
7873 (OMP_CLAUSE_OPERAND): Define.
7874 (struct tree_omp_clause): Declare.
7875 (union tree_node): Add field 'omp_clause'.
7876 * treestruct.def (TS_OMP_CLAUSE): Define.
7877 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7878 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7879 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7880 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7881 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7882 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7883 (OMP_CLAUSE): Define.
7884 * print-tree.c (print_node): Handle OMP_CLAUSE.
7885 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7886 * c-typeck.c: Likewise.
7887 * gimplify.c: Likewise.
7888 * c-omp.c: Likewise.
7889 * tree-nested.c: Likewise.
7890 * tree-inline.c: Likewise.
7891 * c-parser.c: Likewise.
7892 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7895 2006-01-25 Roger Sayle <roger@eyesopen.com>
7897 PR rtl-optimization/25703
7898 * combine.c (try_combine): Handle zero_extract and strict_low_part
7899 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7901 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7903 * global.c: Fix comment typos.
7905 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7908 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7909 Use output_addr_const instead of assemble_name.
7911 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7913 * Makefile.in (sched-vis.o): Update dependencies.
7914 * haifa-sched.c (sched_finish): Clear current_sched_info.
7915 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7916 (dump_flow_info): Call it.
7917 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7919 * basic-block.h (dump_bb_info): Declare.
7920 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7921 option, and apply options only for dump files whose TDF_RTL,
7922 TDF_TREE, or TDF_IPA bits match.
7923 * rtl.h: Declare new functions exported from sched-vis.c.
7924 * sched-vis.c: Enable also if scheduling is not used.
7925 (print_value): Print the mode of registers if not inside scheduling.
7926 (print_insn): Make it work outside the scheduler. Beautify the output
7928 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7930 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7932 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7933 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7934 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7935 depending on the value of CONSTANT_POOL_ADDRESS_P.
7936 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7938 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7939 rather than SYMBOL_REF_DECL.
7940 (rtx_constant_pool): Remove const_rtx_sym_htab.
7941 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7942 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7943 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7944 Remove handling of const_rtx_sym_htab.
7945 (find_pool_constant): Delete.
7946 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7947 rather than find_pool_constant.
7948 (get_pool_constant_for_function): Delete.
7949 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7951 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7952 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7953 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7954 (SYMBOL_REF_CONSTANT): New macro.
7955 (get_pool_constant_for_function): Delete.
7956 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7957 rather than SYMBOL_REF_DECL.
7958 (i386_pe_mark_dllimport): Likewise.
7959 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7960 rather than SYMBOL_REF_DECL.
7961 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7962 (machopic_indirect_call_target): Likewise.
7964 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7966 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7968 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7970 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7972 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7974 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7976 2006-01-24 David Daney <ddaney@avtrex.com>
7979 * configure.ac (enable_tls): New enable option.
7980 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7981 * configure: Regenerate.
7982 * doc/install.texi (--enable-tls): Document new option.
7983 (--disable-tls): Ditto.
7985 2006-01-24 Richard Henderson <rth@redehat.com>
7987 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7988 * alias.c (true_dependence): Respect it.
7989 (canon_true_dependence, write_dependence_p): Likewise.
7990 * builtins.c (get_builtin_sync_mem): Set it.
7992 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7994 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7997 2006-01-24 DJ Delorie <dj@redhat.com>
7999 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8000 for storing constants in single-bit bitfields.
8002 2006-01-25 Ben Elliston <bje@au.ibm.com>
8004 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8006 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8009 * tree-ssa-pre.c (phi_translate): Return NULL
8010 for AGGREGATE_TYPE's.
8012 2006-01-24 Zack Weinberg <zackw@panix.com>
8014 * genautomata.c (process_state_for_insn_equiv_partition):
8015 Use xcalloc for insn_arcs_array.
8016 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8017 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8019 2006-01-24 Richard Henderson <rth@redhat.com>
8021 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8024 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8026 PR rtl-optimization/25890
8027 PR rtl-optimization/25905
8028 * combine.c (expand_compound_operation, expand_field_assignment):
8029 Fail if the bitfield's final position is out of bounds.
8031 2006-01-24 Ian Lance Taylor <ian@airs.com>
8034 * cgraphunit.c (cgraph_output_in_order): Don't clear
8035 cgraph_asm_nodes until after asm strings have been output.
8037 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8039 * fix-header.c (read_scan_file): Add new parameter imultilib when
8040 calling register_include_chains.
8042 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8044 * omp-low.c: Update documentation.
8046 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8047 Daniel Berlin <dberlin@dberlin.org>
8051 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8052 return from the function.
8054 2006-01-22 Zack Weinberg <zackw@panix.com>
8056 * rtl.def (match_code): Add second argument.
8057 * genpreds.c (write_extract_subexp): New function.
8058 (write_match_code): Add path argument. Use write_extract_subexp.
8059 (write_predicate_expr): Pass path to write_match_code.
8060 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8061 not perform a mode test.
8062 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8063 a subexpression does not constrain the top-level code set.
8064 * read-rtl.c (read_rtx_variadic): New function.
8065 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8066 * doc/md.texi: Document new notation.
8067 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8068 (cmpsi_operand): ... here, using new notation.
8070 2006-01-22 Zack Weinberg <zackw@panix.com>
8072 * varray.c: Remove GENERATOR_FILE #ifdefs.
8074 2006-01-22 Zack Weinberg <zackw@panix.com>
8076 * genautomata.c (output_reserved_units_table): Emit nothing if
8077 description->query_units_num is zero. Remove extra blank line.
8078 (output_cpu_unit_reservation_p): Short circuit
8079 if description->query_units_num is zero.
8081 2006-01-22 Zack Weinberg <zackw@panix.com>
8083 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8084 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8085 nor any of the random handful of variables that used to be necessary
8086 when this program was linked with rtlanal.o. Prune set of forward
8087 function declarations.
8088 (struct attr_desc): Remove static_p field.
8089 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8090 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8091 (attr_string): Do not read the character one past the length of
8093 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8094 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8095 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8096 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8097 (make_automaton_attrs): New.
8098 (main): Do not call into genautomata. Call local gen_bypass
8099 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8100 Remove special case for insn_alts.
8101 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8102 varray.h (leftover from previous change). Prune set of forward
8103 function declarations. Remove state_alts fields from all
8104 structures. Remove state_alts_table from struct automaton.
8105 Make everything except main static. Do not maintain num_dfa_decls.
8106 Do not maintain state_alts fields of various structures.
8107 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8108 (add_arc): Remove state_alts argument. All callers updated.
8109 (output_reserved_units_table): Emit #ifdef here...
8110 (output_tables): ...not here. Don't generate state_alts tables.
8111 (expand_automata): Don't generate attributes.
8112 (write_automata): Don't generate state_alts functions.
8113 (main): New function.
8114 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8115 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8116 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8117 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8118 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8119 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8120 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8121 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8123 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8124 * genattrtab.h: Delete file.
8125 * Makefile.in (OBJS-common): Add insn-automata.o.
8126 (insn-automata.o): New rule.
8127 (simple_generated_c): Add insn-automata.c.
8128 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8129 (genprogmd): Add automata.
8130 (build/genattrtab): Needs no extra objects nor libraries.
8131 (build/genautomata): Needs build/vec.o and -lm.
8133 2006-01-22 Zack Weinberg <zackw@panix.com>
8135 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8136 (output_dfa_max_issue_rate, locked_states_num): Delete.
8137 (struct automaton): Add locked_states field.
8138 (output_dead_lock_vect): Save number of locked states in
8139 automaton->locked_states. If it is zero, don't print anything.
8140 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8141 (output_internal_dead_lock_func): Only test the dead_lock_vect
8142 for automata that have locked states.
8143 (output_statistics): Always print the number of locked states for
8144 each automaton. Calculate total number of locked states here.
8145 (write_automata): Don't call output_dfa_max_issue_rate.
8146 * genattrtab.c: Define length_unit_log as a const variable.
8147 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8148 max_insn_queue_index const.
8149 * final.c (length_unit_log): Declare const.
8150 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8152 2006-01-22 Zack Weinberg <zackw@panix.com>
8154 * genautomata.c: Include vec.h, not varray.h.
8155 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8156 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8157 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8158 VEC_* macros operating on appropriately typed vectors, or to
8159 malloced arrays when the size is known in advance. Const-ify
8160 many char* variables and function arguments. No functional changes.
8161 * Makefile.in (build/varray.o): Delete rule.
8162 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8163 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8165 2006-01-22 Zack Weinberg <zackw@panix.com>
8167 * gensupport.c: Define get_insn_name and record_insn_name here.
8168 (read_md_rtx): Call record_insn_name as appropriate.
8169 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8170 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8171 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8173 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8174 (BUILD_VARRAY): Delete.
8175 (genprognormal): Rename genprogmd. Fold in all programs from
8176 genprognoprint; also attrtab.
8177 (build/genattrtab): Just mention genautomata.o and varray.o.
8178 Reorganize a bit, add comments to make the categories clearer.
8180 2006-01-22 Zack Weinberg <zackw@panix.com>
8182 * genconditions.c (condition_table, add_condition): Delete.
8183 (write_conditions): Don't emit n_insn_conditions nor
8184 insn_elision_unavailable. Issue the gcc version #ifdef here,
8185 inside the table, with no #else clause ...
8186 (write_header): ...not here.
8187 (write_writer): New function.
8188 (main): Don't initialize condition_table. Use add_c_test.
8190 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8191 files on the command line.
8192 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8193 Return -1 if there is no entry in the table, don't abort.
8194 (add_c_test, traverse_c_tests): New functions.
8195 * gensupport.h (insn_elision_unavailable, insn_conditions)
8196 (n_insn_conditions): Delete declarations.
8197 (add_c_test, traverse_c_tests): Declare.
8198 * read-rtl.c: Include gensupport.h.
8199 (read_conditions): New function.
8200 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8201 (read_rtx_1): If we get EOF when we were looking for an initial
8202 open paren, return 0. Call read_conditions when appropriate.
8203 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8204 dummy-conditions.o. Eliminate references to insn-conditions.o,
8205 or change them to build/gencondmd.o, as appropriate. Remove
8206 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8207 from $(simple_generated_c). For all files remaining in those
8208 two lists, add insn-conditions.md to the generator command line.
8209 Give insn-constants.h/s-constants their own rules. Add rules
8210 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8211 (build/read-rtl.o): Depend on gensupport.h.
8212 (genprognormal): Include preds.
8213 (genprogearly): Rename genprognoprint; only difference is now that
8214 they don't link with $(BUILD_PRINT).
8215 * dummy-conditions.c: Delete.
8217 2006-01-22 Zack Weinberg <zackw@panix.com>
8219 * genextract.c: Don't include insn-config.h. Do include vec.h.
8220 Declare vectors of int, char, and locstr.
8221 (locstr): New typedef.
8222 (struct extraction): Make all array fields into bare pointers.
8223 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8224 (insn_code_number): Delete.
8225 (accum_extract): New struct.
8226 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8227 (gen_insn): Take insn_code_number as an argument. Use an
8228 accum_extract structure instead of loading data directly into
8229 a struct extraction, and having to know how big it might get.
8230 (walk_rtx): Operate entirely on an accum_extract structure.
8231 (print_path): Avoid unnecessary use of printf.
8232 (print_header): New function, split out of main. Distinguish
8233 more carefully between an unrecognizable insn and an insn that
8234 has the code number of a define_expand.
8235 (main): Pass insn_code_number to gen_insn. Call print_header
8236 only after parsing. Avoid unnecessary use of printf.
8237 * Makefile.in (build/vec.o): New rule.
8238 (build/genextract): Depend on build/vec.o.
8239 (build/genextract.o): Don't depend on insn-config.h.
8241 2006-01-22 Zack Weinberg <zackw@panix.com>
8243 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8244 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8245 practical. Eliminate per-generator-program link rules.
8247 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8250 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8251 with a call expr to ...
8252 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8254 2006-01-23 Richard Guenther <rguenther@suse.de>
8256 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8257 before make_edge with conditional EDGE_TRUE_VALUE.
8259 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8260 Jan Hubicka <jh@suse.cz>
8261 Richard Guenther <rguenther@suse.de>
8263 PR rtl-optimization/25654
8264 * cfgexpand.c (aggregate_contains_union_type): New function.
8265 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8266 for structure variables that contain a union type.
8268 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8270 * gengtype.c (new_structure): Return the structure.
8271 (create_option): Add an extra "next" argument.
8272 (create_field): New function.
8273 (adjust_field_rtx_def): Use create_option and create_field.
8274 Remove a now-unnecessary call to find_structure.
8275 (adjust_field_tree_def): Likewise.
8276 (note_yacc_type): Remove an unnecessary call to find_structure.
8277 * gengtype.h (new_structure): Return the structure.
8278 (create_option): Add an extra argument.
8279 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8280 (option): Adjust calls to create_option.
8282 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8284 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8286 2006-01-22 Paul Brook <paul@codesourcery.com>
8287 Peter Barada <peter@the-baradas.com>
8289 * config/m68k/m68k.md: Add Coldfire FPU support.
8290 Define FP mode macro and associated attributes.
8291 Use it for float mode patterns.
8292 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8293 (LIBCALL_VALUE): Use m68k_libcall_value.
8294 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8295 (m68k_function_value): Ditto.
8296 (emit_move_sequence): Ditto.
8297 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8298 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8299 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8300 (MULTILIB_EXCEPTIONS): Ditto.
8301 * config/m68k/m68k.opt: Add mcfv4e.
8302 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8303 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8304 (m68k_output_function_prologue): Save ColdFire FPU registers.
8305 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8306 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8307 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8308 ColdFire FPU registers.
8309 (m68k_libcall_value, m68k_function_value): New functions.
8310 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8311 (LIBCALL_VALUE): Use m68k_libcall_value.
8312 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8313 (MASK_COLDFIRE): Add MASK_CFV4E.
8314 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8315 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8316 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8317 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8318 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8319 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8320 * doc/invoke.tex: Document -mcfv4e on m68k.
8322 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8324 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8327 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8330 * c-opts.c (c_common_handle_option): Don't include
8331 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8332 * doc/invoke.texi (C++ Dialect Options): Document that
8333 -Wnon-virtual-dtor is no longer included in -Wall.
8335 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8337 * gcov.c (print_version), gcov-dump.c (print_version),
8338 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8341 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8343 * df-scan.c (problem_SCAN): Added NULL reset function.
8344 (df_scan_reset_blocks): Added code to call reset block function
8345 (df_bb_refs_delete) Fixed comment.
8346 (df_insn_refs_delete): Made tolerant of deleting non existent info
8347 for dataflow problems that need to be reset.
8348 * df-core.c (df_set_blocks): Ditto.
8349 * df.h (struct df_problem): Added reset_fun.
8350 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8351 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8352 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8353 functions to clear out all references to def-use or use-def chains.
8355 2006-01-21 Ben Elliston <bje@au.ibm.com>
8357 * varasm.c (assemble_real): Initialise data array.
8359 2006-01-20 Paul Brook <paul@codesourcery.com>
8361 Merge from csl-arm-branch.
8362 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8363 * config/arm/arm.md (movdi): Force operands[1] to a register
8364 if we have a non-register source.
8365 (*arm_movdi, *movdf_soft_insn): Require that one of the
8366 operands be a register.
8367 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8368 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8370 2006-01-20 DJ Delorie <dj@redhat.com>
8372 * varasm.c (initialize_constant_valid_p): Allow pointers
8373 initialized from integer constants of lesser precision.
8374 (output_constant): Allow non-int-sized pointer modes to be
8375 initialized from integer constants.
8377 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8380 * cppdefault.h (struct default_include): Add multilib flag.
8381 * cppdefault.c (cpp_include_defaults): Set it.
8382 * c.opt (-imultilib): New option.
8383 * c-opts.c (imultilib): New.
8384 (c_common_handle_option): Handle -imultilib.
8385 (c_common_post_options): Likewise.
8386 * c-incpath.c (add_standard_paths, register_include_chains):
8388 * c-incpath.h (register_include_chains): Add extra parameter.
8389 * gcc.c (do_spec_1): Generate -imultilib option.
8390 (The Specs Language): Update %I description.
8391 (process_command): Update copyright notice.
8392 * doc/cppopts.texi (-imultilib): Document.
8393 * doc/invoke.texi (-imultilib): Include in option summary.
8394 (%I): Update specs documentation.
8396 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8398 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8400 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8402 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8405 2006-01-20 Richard Guenther <rguenther@suse.de>
8406 Steven Bosscher <stevenb.gcc@gmail.com>
8408 PR rtl-optimization/24626
8409 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8410 EDGE_TRUE_VALUE if in RTL mode.
8413 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8414 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8416 2006-01-20 Dirk Mueller <dmueller@suse.com>
8419 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8420 instead of a special NOP marker.
8421 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8422 NOP marker handling.
8423 * c-common.h (empty_body_warning): Add forward declaration.
8424 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8425 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8427 2006-01-20 Paul Brook <paul@codesourcery.com>
8429 * Makefile.in (lang_checks): Keep going if mkdir fails.
8431 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8433 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8434 be able to clean out basic block when not necessary.
8435 (df_scan_free): Fixed to properly delete information if df is
8436 unused before calling df_finish.
8437 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8438 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8440 (df_bb_refs_delete): New function.
8441 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8442 * df-core.c (df_set_blocks): Added code to properly clean out
8443 unused blocks if they are not part of the blocks to consider.
8444 Added additional null check.
8445 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8446 be able to clean out basic block when not necessary
8447 * df.h (df_free_bb_function): Ditto.
8448 (df_bb_refs_delete): New function.
8449 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8450 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8451 basic block parameter to be able to clean out basic block when not
8453 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8454 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8455 Fixed to properly delete information if df is unused before
8458 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8460 PR rtl-optimization/25799
8461 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8462 Corrected confluence operator to remove bits from op2 before oring
8463 with op1 rather than removing bits from op1.
8464 (df_ru_transfer_function): Corrected test on wrong bitmap which
8465 caused infinite loop. Both of these problems were introduced in
8466 the dataflow rewrite.
8468 2006-01-19 DJ Delorie <dj@redhat.com>
8470 * reload1.c (find_reload_regs): Note the details of reload
8471 failures in the dump file.
8472 (spill_failure): Likewise.
8474 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8476 * loop-iv.c: Include df.h and hashtab.h.
8477 (enum iv_grd_result): New enum.
8478 (DF_REF_IV, DF_REF_IV_SET): New macros.
8479 (struct biv_entry): New.
8480 (df, bivs): New global variables.
8481 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8482 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8484 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8485 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8486 analyzed_for_bivness_p, record_biv): New functions.
8487 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8488 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8489 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8491 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8493 (iv_number_of_iterations): Use new interface to iv analysis.
8494 * loop-unroll.c: Do not include varray.h.
8495 (analyze_iv_to_split_insn): Use new interface to iv
8497 * loop-unswitch.c (may_unswitch_on): Ditto.
8498 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8500 (df_bb_modify): Realloc tables to the new index.
8501 (df_find_use): New function.
8502 * df.h (df_find_use): Declare.
8503 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8505 * cfgloop.h (struct rtx_iv): Remove analysed field.
8506 (iv_get_reaching_def): Removed.
8507 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8508 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8509 (loop-iv.o): Add df.h and hashtab.h dependency.
8510 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8512 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8515 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8517 (__floatundisf, __floatundidf): Likewise.
8518 * libgcc2.h (IS_IBM_EXTENDED): Define.
8520 2006-01-19 DJ Delorie <dj@redhat.com>
8522 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8524 2006-01-19 Paul Brook <paul@codesourcery.com>
8526 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8527 as nothrow when unwinding tables are disabled.
8529 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8532 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8533 of bit-field" when in system header.
8535 2006-01-19 DJ Delorie <dj@redhat.com>
8537 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8538 the 16 bit shift limit of the m16c.
8540 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8543 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8544 * config/i386/i386.c (output_set_got): Output the label if we have one
8545 for the TARGET_DEEP_BRANCH_PREDICTION case.
8547 2006-01-19 Jan Hubicka <jh@suse.cz>
8548 H.J. Lu <hongjiu.lu@intel.com>
8549 Evandro Menezes <evandro.menezes@amd.com>
8551 * invoke.texi (generic): Document
8553 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8554 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8555 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8556 (x86_use_incdec, x86_pad_returns): New variables
8557 (TARGET_CPU_DEFAULT_generic): New constant
8558 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8559 (enum processor_type): Add generic32 and generic64.
8560 * i386.md (cpu attribute): Add generic32/generic64
8561 (movhi splitter): Behave sanely when both partial_reg_dependency and
8562 partial_reg_stall are set.
8563 (K8 splitters): Enable for generic as well.
8564 * predicates.md (incdec_operand): Use TARGET_INCDEC
8565 (aligned_operand): Avoid memory mismatch stalls.
8566 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8567 * ppro.md: Enable for generic32
8568 * i386.c (generic64_cost, generic32_cost): New.
8569 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8570 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8571 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8572 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8573 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8574 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8575 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8576 x86_accumulate_outgoing_args, x86_prologue_using_move,
8577 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8578 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8580 (x86_use_incdec, x86_pad_returns): New.
8581 (override_options): Add generic32 and generic64, translate "generic"
8582 to generic32/generic64 and "i686" to "generic32", refuse
8583 "generic32"/"generic64" as arch target.
8584 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8585 (ix86_reorg): Honor PAD_RETURNS.
8587 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8589 * tree-pretty-print.c (dump_generic_node): Handle
8590 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8591 * cgraph.c (cgraph_expand_queue): Rename from
8592 cgraph_analyze_queue. Update all users.
8593 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8594 cgraph_expand_queue.
8595 (cgraph_expand_all_functions): Likewise.
8596 (cgraph_finalize_pending_functions): Remove. Update callers.
8598 * tree.h (OMP_DIRECTIVE_P): Define.
8599 (OMP_PARALLEL_FN): Define.
8600 (OMP_PARALLEL_DATA_ARG): Define.
8601 (OMP_SECTIONS_SECTIONS): Define.
8602 * tree-pass.h (pass_expand_omp): Declare.
8603 * omp-low.c (struct omp_region): Declare.
8604 (struct omp_context): Remove fields 'parallel_type',
8605 'parallel_start_ix' and 'parallel_start_additional_args'.
8607 (struct omp_for_data): Rename from struct expand_omp_for_data.
8608 (omp_regions): New static variable.
8609 (root_omp_region): New static variable.
8610 (find_omp_clause): Make static.
8611 (is_in_combined_parallel_ctx): Remove.
8612 (is_combined_parallel): New.
8613 (extract_omp_for_data): Move earlier in the file.
8614 (workshare_safe_to_combine_p): New.
8615 (get_ws_args_for): New.
8616 (determine_parallel_type): Move earlier in the file.
8617 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8619 (omp_copy_decl): Likewise.
8620 (create_omp_child_function): Likewise.
8621 (lookup_omp_region): New.
8622 (dump_omp_region): New.
8623 (debug_omp_region): New.
8624 (debug_all_omp_regions): New.
8625 (new_omp_region): New.
8626 (scan_omp_parallel): If parallel_nesting_level > 1, the
8627 directive is nested within another parallel directive.
8628 Set OMP_PARALLEL_FN.
8629 (scan_omp_for): Do not try to handle combined parallel+for
8631 Remove FIXME comment.
8632 (scan_omp_nested): Remove.
8633 (scan_omp_1): Do not call scan_omp_nested when
8634 parallel_nesting_level is > 1.
8635 Do not change the DECL_CONTEXT of local variables found.
8636 (lookup_decl_in_outer_ctx): New.
8637 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8638 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8639 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8640 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8641 If CTX is nested, lookup VAR in the outer context when
8642 building copy assignment.
8643 (lower_send_clauses): Rename from expand_send_clauses.
8644 If CTX is nested, lookup VAR in the outer context when
8645 building copy assignments.
8646 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8647 If CTX is nested, lookup VAR in the outer context when
8648 building copy assignments.
8649 (expand_parallel_call): Rename from build_parallel_call.
8650 Handle combined parallel+workshare cases.
8651 Re-implement to emit code into the CFG.
8653 (expand_omp_parallel): Re-implement to emit code into the CFG.
8654 Call move_sese_region_to_fn to outline the sub-graph
8655 containing the parallel region.
8656 (expand_omp_for_1): Remove.
8657 (expand_omp_for_generic): Re-implement to emit code into the
8659 (expand_omp_for_static_nochunk): Likewise.
8660 (expand_omp_for_static_chunk): Likewise.
8661 (expand_omp_for): Likewise.
8662 (expand_omp_sections): Likewise.
8663 (remove_exit_barriers): New.
8664 (expand_omp_synch): New.
8666 (build_omp_regions_1): New.
8667 (build_omp_regions): New.
8668 (execute_expand_omp): New.
8669 (gate_expand_omp): New.
8670 (pass_expand_omp): Define.
8671 (lower_omp_sections): Rename from expand_omp_sections.
8672 Set OMP_SECTIONS_SECTIONS.
8673 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8674 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8675 (lower_omp_single): Rename from expand_omp_simple.
8676 (lower_omp_master): Rename from expand_omp_master.
8677 (lower_omp_ordered): Rename from expand_omp_ordered.
8678 (lower_omp_critical): Rename from expand_omp_critical.
8679 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8680 (lower_omp_for): Re-implement.
8681 (lower_omp_parallel): Re-implement.
8682 (lower_regimplify): Rename from expand_regimplify.
8683 (lower_omp_1): Rename from expand_omp_1.
8684 If there are syntax errors in the program, replace every
8685 OpenMP directive with NOP.
8686 Call lower_omp_* instead of expand_omp_*.
8687 (lower_omp): Rename from expand_omp.
8689 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8690 * tree-gimple.h (enum omp_parallel_type): Remove.
8691 (gimple_boolify): Declare extern.
8692 (find_omp_clause, determine_parallel_type): Remove.
8694 * gimple-low.c (lower_omp_directive): New.
8695 (lower_stmt): Call it.
8696 (record_vars_into): Move from ...
8697 (record_vars): ... here.
8698 Call record_vars_into with current_function_decl.
8700 * gimplify.c (struct gimplify_ctx): Remove fields
8701 combined_pre_p and combined_ctxp. Update users.
8702 (get_formal_tmp_var): Add documentation.
8703 (gimple_boolify): Make extern.
8704 (gimplify_expr_in_ctx): Remove. Update callers.
8705 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8706 will always be a BIND_EXPR.
8707 (gimplify_expr): Handle OMP_RETURN_EXPR.
8708 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8709 (OMP_PARALLEL): Add 3 operands.
8710 (OMP_SECTIONS): Add 1 operand.
8711 (OMP_RETURN_EXPR): Define.
8713 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8714 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8715 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8716 creating a circular free list.
8717 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8719 * tree-flow.h (move_sese_region_to_fn): Declare.
8720 (record_vars_into): Declare.
8721 * tree-cfg.c (make_omp_sections_edges): New.
8722 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8723 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8724 OMP_SECTIONS and OMP_SECTION.
8725 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8726 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8727 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8728 (gather_blocks_in_sese_region): New.
8729 (struct move_stmt_d): Declare.
8731 (move_block_to_fn): New.
8732 (move_sese_region_to_fn): New.
8734 * passes.c (init_optimization_passes): Schedule
8735 pass_expand_omp after pass_init_datastructures.
8737 * tree-ssa-operands.c (get_expr_operands): Handle
8738 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8739 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8741 2006-01-19 Jeff Law <law@redhat.com>
8743 * tree-vrp.c (extract_range_from_assert): Refine the result range
8744 if the variable referenced by the ASSERT_EXPR has a range and
8745 either the tentative result range or the previous range is a
8748 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8750 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8752 2006-01-19 Jan Hubicka <jh@suse.cz>
8754 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8756 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8758 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8759 (expand_compound_operation, expand_field_assignment): Fail if the
8760 bit lengths of an extract operation are out of range.
8761 (make_extraction): Compute wanted_inner_mode based on the position
8762 and length of the extraction. Make it extraction_mode for non-constant
8763 positions, and do not modify offset in that case. When generating a
8764 new MEM, use a mode that can hold the extraction while keeping correct
8765 alignment. Remove code that supported MEMs wrapped by USEs.
8766 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8768 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8770 * config/s390/s390.md ("Y", "y"): New mode attribute.
8771 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8772 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8773 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8774 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8775 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8776 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8777 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8778 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8779 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8780 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8781 "addsi3", "subsi3"): Insn patterns removed.
8782 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8783 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8784 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8785 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8786 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8787 "*sub<mode>3_cconly2"): New insn patterns.
8788 ("addsi3", "subsi3"): New expanders.
8790 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8792 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8793 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8794 existing STMT_VINFO_VECTYPE if available.
8795 (vect_mark_relevant): Add special handling for stmts that are
8796 marked as STMT_VINFO_IN_PATTERN_P.
8797 (vect_analyze_loop): Call vect_pattern_recog.
8798 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8799 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8801 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8802 (vect_recog_func_ptr): New function-pointer type.
8803 * tree-vect-patterns.c: New file.
8804 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8805 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8806 (vect_pattern_recog_1): New functions.
8807 (vect_pattern_recog_funcs): New array of function pointers.
8809 * tree-vectorizer.h (ternary_op): New enum value.
8810 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8811 declaration. Revised documentation. Removed redundant dump prints.
8812 Removed redundant argument. Added support for reduction patterns.
8813 (vectorizable_reduction): Added support for reduction patterns.
8814 (vect_transform_stmt): Added support for patterns.
8816 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8817 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8818 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8819 (expand_widen_pattern_expr): New function.
8820 (init_optabs): Initialize new optabs udot_prod_optab,
8822 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8823 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8824 (expand_widen_pattern_expr): New function declaration.
8825 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8827 * tree-inline.c (estimate_num_insns_1): Added cases for new
8828 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8829 * tree-pretty-print.c (dump_generic_node): Likewise.
8830 (op_prio): Likewise.
8831 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8832 * tree-ssa-operands.c (get_expr_operands): Added case for
8834 * tree-vect-patterns.c (widened_name_p): New function.
8835 (vect_recog_dot_prod_pattern): Added function implementation.
8836 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8837 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8838 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8839 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8841 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8842 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8843 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8844 (init_optabs): Initialize new optabs widen_ssum_optab,
8846 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8847 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8848 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8849 use instead of type of def.
8850 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8851 function implementation.
8852 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8853 widen_ssumv8hi): New.
8855 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8858 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8861 * c-decl.c (add_flexible_array_elts_to_size): New function.
8862 (finish_decl): Use it.
8864 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8866 * diagnostic.h: Include options.h.
8867 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8868 dependancies for diagnostic.h.
8869 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8871 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8873 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8874 (ssa_ro_call_cache_valid): Ditto.
8875 * tree-ssa-alias.c (sort_tags_by_id): New function.
8876 (init_transitive_clobber_worklist): Ditto.
8877 (add_to_worklist): Ditto.
8878 (mark_aliases_call_clobbered): Ditto.
8879 (compute_tag_properties): Ditto.
8880 (set_initial_properties): Ditto.
8881 (compute_call_clobbered): Ditto.
8882 (compute_may_aliases): Call compute_call_clobbered and grouping.
8883 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8884 (compute_flow_insensitive_aliasing): Grouping now happens in our
8886 (setup_pointers_and_addressables): Remove clobbering related code.
8887 (add_may_alias): Ditto.
8888 (replace_may_alias): Ditto.
8889 (get_nmt_for): Ditto.
8890 (create_global_var):
8891 (is_escape_site): Return an escape_type enumeration.
8892 * tree-flow-inline.h (is_call_clobbered): Global var does not
8893 imply call clobbered.
8894 (mark_call_clobbered): Take a reason for marking this. Remove
8895 marking of globalness, and cache invalidation.
8896 (clear_call_clobbered): Remove cache invalidation code.
8897 * tree-dfa.c (dump_variable): If details is on, dump the reason
8899 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8901 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8902 (struct var_ann_d): Ditto.
8903 (enum escape_type): New.
8904 (mark_call_clobbered): Adjust prototype.
8905 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8906 are never call clobbered.
8907 Record reasons for escaping.
8908 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8909 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8910 (ssa_ro_call_cache_valid): Ditto.
8911 (clobbered_v_may_defs): Ditto.
8912 (clobbered_vuses): Ditto.
8913 (ro_call_vuses): Ditto.
8914 (clobber_stats): New.
8915 (init_ssa_operands): Zero out clobber stats.
8916 (fini_ssa_operands): Print out clobber stats.
8917 (get_call_expr_operands): Pass callee fndecl to
8919 (add_call_clobber_ops): Remove use of cache.
8920 Add use of PURE_CONST information.
8921 (add_call_read_ops): Remove use of cache.
8922 Add use of static not_read information.
8924 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8926 Introduce TLS descriptors for i386 and x86_64.
8927 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8928 (TARGET_ANY_GNU_TLS): New macro.
8929 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8930 (struct machine_function): Add tls_descriptor_call_expanded_p.
8931 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8932 (ix86_current_function_calls_tls_descriptor): Likewise.
8933 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8934 (override_options): Introduce gnu2 tls dialect.
8935 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8937 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8939 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8940 (ix86_init_machine_status): Initialize new field.
8941 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8942 (ix86_tls_module_base): New.
8943 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8944 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8945 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8946 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8947 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8948 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8949 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8950 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8951 * config/i386/predicates.md (tls_modbase_operand): New.
8952 (tp_or_register_operand): New.
8954 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8956 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8957 (look_for_address_of): Ditto.
8958 (ipa_init): Walk the function decls.
8959 (static_execute): Don't set readonly on FUNCTION_DECL's.
8961 2006-01-18 Roger Sayle <roger@eyesopen.com>
8963 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8964 for shifts where the source and destination registers are different.
8966 2006-01-18 Paul Brook <paul@codesourcery.com>
8968 Merge from csl-arm-branch.
8969 2005-03-14 Julian Brown <julian@codesourcery.com>
8970 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8971 (aeabi_llsl): Likewise.
8972 (ashrdi3): Likewise.
8973 (aeabi_lasr): Likewise.
8974 (lshrdi3): Likewise.
8975 (aeabi_llsr): Likewise.
8976 2005-03-10 Julian Brown <julian@codesourcery.com>
8977 * config.gcc: Disable shared libgcc for SymbianOS.
8978 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8980 2006-01-18 DJ Delorie <dj@redhat.com>
8982 * c-pragma.c (handle_pragma_diagnostic): New.
8983 (init_pragma): Register it.
8984 * doc/extend.texi: Document it.
8986 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8987 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8988 (diagnostic_context): Add classify_diagnostic[].
8989 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8990 as errors if they're overridden to DK_WARNING.
8991 (diagnostic_initialize): Initialize classify_diagnostic[].
8992 (diagnostic_set_kind_override): New.
8993 (diagnostic_report_diagnostic): Check for kind changes.
8994 * opts.c (common_handle_option): Take lang_mask. Update callers.
8996 * common.opt (Werror=): New.
8997 * doc/invoke.texi: Document -Werror=*
8999 2006-01-18 Jeff Law <law@redhat.com>
9001 * tree-vrp.c (test_for_singularity): Correct test for new
9002 min limit. Use operand_equal_p rather than pointer equality
9003 for testing if new min/max values are equal.
9005 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9006 using range information until after propagation and folding.
9008 2006-01-18 Richard Henderson <rth@redhat.com>
9009 Aldy Hernandez <aldyh@redhat.com>
9010 Jakub Jelinek <jakub@redhat.com>
9011 Diego Novillo <dnovillo@redhat.com>
9013 * omp-low.c: New file.
9014 * c-omp.c: New file.
9016 2006-01-18 Richard Henderson <rth@redhat.com>
9017 Jakub Jelinek <jakub@redhat.com>
9018 Diego Novillo <dnovillo@redhat.com>
9020 * doc/invoke.texi: Document -fopenmp.
9021 * tree-dump.h (debug_function): Declare.
9022 * hooks.c (hook_bool_tree_bool_false): New function.
9023 (hook_tree_tree_null): Remove.
9024 (hook_tree_tree_tree_null): New.
9025 * hooks.h: Update to match.
9026 * tree-pretty-print.c (debug_tree_chain): New.
9027 (print_generic_expr): Handle TDF_CHAIN.
9028 (dump_generic_node): Handle BLOCK.
9029 Do not abort with incomplete SWITCH_EXPRs.
9030 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9031 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9032 print space after directive name.
9033 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9034 Handle OMP_MASTER and OMP_ORDERED.
9035 Handle printing of OMP_BODY just in one place, goto
9036 dump_omp_body in the rest of OMP_* nodes that have
9038 Don't handle clause nodes here. Update omp statements to
9039 use dump_omp_clauses.
9040 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9041 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9042 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9043 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9044 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9045 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9046 Adjust output for GOMP_PARALLEL.
9047 (dump_omp_clauses): New.
9048 (print_declaration): Dump DECL_VALUE_EXPR.
9049 (op_symbol_1): Split out of op_symbol.
9050 (dumping_stmts): Remove. Update all users.
9051 * cgraph.c (cgraph_analyze_queue): New.
9052 (cgraph_add_new_function): New.
9053 * cgraph.h (cgraph_analyze_queue): Declare.
9054 (cgraph_add_new_function): Declare.
9055 (cgraph_lower_function): Remove.
9056 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9057 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9058 and TYPE_P nodes in its default clause.
9059 (empty_body_p): New.
9060 (tree_range_check_failed): New.
9062 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9063 OMP_CLAUSE_REDUCTION_MERGE,
9064 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9065 OMP_CLAUSE_PRIVATE_DEBUG,
9066 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9067 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9068 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9069 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9070 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9071 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9072 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9073 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9074 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9075 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9076 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9077 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9078 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9079 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9080 (TREE_RANGE_CHECK): New.
9081 (empty_body_p): Declare.
9082 (enum omp_clause_default_kind): New.
9083 (build_string_literal): Declare.
9084 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9085 (build5_stat, build5): Declare.
9086 * tree-pass.h (TDF_CHAIN): Define.
9087 * tree-pass.h (PROP_gimple_lomp): Define.
9088 (pass_lower_omp): Declare.
9089 * diagnostic.h (debug_tree_chain): Declare.
9090 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9092 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9093 * builtins.c (build_string_literal): Make extern.
9094 * gcc.c (include_spec_function): New.
9095 (static_spec_functions): Add it.
9096 (main): Move load of libgomp.spec ...
9097 (LINK_COMMAND_SPEC): ... here.
9098 (link_gomp_spec): New.
9099 (static_specs): Include it.
9100 (LINK_COMMAND_SPEC): Add link_gomp.
9101 (GOMP_SELF_SPECS): New.
9102 (driver_self_specs): Include it.
9103 (switch_matches): Don't mark inline.
9104 (main): Load libgomp.spec.
9105 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9106 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9107 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9108 * tree-gimple.h (enum omp_parallel): Declare.
9109 (determine_parallel_type): Declare.
9110 (omp_firstprivatize_variable): Declare.
9111 (omp_reduction_init): Declare.
9112 (diagnose_omp_structured_block_errors): Declare.
9113 (struct walk_stmt_info): Add want_return_expr.
9114 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9115 (find_omp_clause): Declare.
9116 (insert_field_into_struct): Declare.
9117 (struct walk_stmt_info): Move from tree-nested.c
9118 (walk_stmts): Declare.
9119 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9121 * cgraphunit.c (cgraph_lower_function): Make static.
9122 (cgraph_finalize_pending_functions): New.
9123 (cgraph_finalize_function): Call it.
9124 (cgraph_finalize_compilation_unit): Likewise.
9125 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9126 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9127 (BT_FN_UINT_UINT): New.
9128 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9129 DEF_FUNCTION_TYPE_VAR_4): Document.
9130 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9131 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9132 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9133 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9134 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9135 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9136 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9137 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9138 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9139 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9140 into separate files.
9141 (DEF_GOMP_BUILTIN): New.
9142 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9143 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9144 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9145 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9146 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9147 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9148 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9149 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9150 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9151 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9152 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9153 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9154 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9155 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9156 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9157 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9158 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9159 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9160 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9161 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9162 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9163 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9164 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9165 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9166 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9167 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9168 * sync-builtins.def: New file, moved from builtins.def.
9169 * omp-builtins.def: New file, moved from builtins.def.
9170 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9171 * gimple-low.c (lower_function_body): Clear data.
9172 (lower_stmt): Do not handle COMPOUND_EXPR.
9173 Remove call to print_node_brief.
9174 * c-tree.h (c_finish_omp_clauses): New prototype.
9175 (C_DECL_THREADPRIVATE_P): Define.
9176 (lookup_name_no_remap, c_omp_remap_private): Remove
9177 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9178 (check_for_loop_decls): Update decl.
9179 (lookup_name_no_remap, c_omp_remap_private): Declare.
9180 (build_indirect_ref, build_modify_expr, pushdecl,
9181 pushdecl_top_level): Move to c-common.h.
9182 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9183 before the switch, but just in the 2 places that need it.
9184 * c-decl.c (diagnose_mismatched_decls): Do not check for
9185 mismatched thread-local attributes when OLDDECL is marked
9186 threadprivate and NEWDECL has no thread-local attributes.
9187 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9188 (c_gimple_diagnostics_recursively): Rename from
9189 c_warn_unused_result_recursively. Invoke
9190 diagnose_omp_structured_block_errors.
9191 (check_for_loop_decls): Return a singular decl found.
9192 * langhooks.c (lhd_omp_predetermined_sharing): Return
9193 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9194 (lhd_omp_firstprivatize_type_sizes): New.
9195 (lhd_omp_assignment): New.
9196 (lhd_omp_predetermined_sharing): New.
9197 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9198 (struct lang_hooks_for_types): Add
9199 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9200 omp_predetermined_sharing, omp_disregard_value_expr,
9201 omp_private_debug_clause, omp_clause_default_ctor,
9202 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9203 (c_finish_omp_clauses): New.
9204 (c_finish_bc_stmt): Diagnose break within omp for.
9205 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9206 (build_unary_op): Return error_mark after reporting
9208 (build_modify_expr): Likewise.
9209 * gimplify.c: Include optabs.h and pointer-set.h.
9210 (enum gimplify_omp_var_data): Declare.
9211 (struct gimplify_omp_ctx): Declare.
9212 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9214 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9215 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9216 (splay_tree_compare_decl_uid): New.
9217 (new_omp_context): New.
9218 (delete_omp_context): New.
9219 (gimple_add_tmp_var): Call omp_add_variable.
9220 (gimplify_bind_expr): Likewise.
9221 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9222 true, disregard DECL_VALUE_EXPR on the decl if any.
9223 (gimplify_expr_in_ctx): New.
9224 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9225 omp_add_variable, omp_notice_variable, omp_is_private
9226 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9227 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9228 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9229 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9230 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9231 gimplify_omp_atomic): New.
9232 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9233 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9234 OMP_CRITICAL and OMP_ATOMIC.
9235 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9236 * c-pragma.h (enum pragma_kind): Add
9237 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9238 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9239 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9240 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9241 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9242 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9243 PRAGMA_OMP_THREADPRIVATE.
9244 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9245 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9246 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9247 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9248 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9249 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9250 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9251 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9252 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9253 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9254 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9255 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9256 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9258 (struct nesting_info): Add field_map,
9259 suppress_expansion, debug_var_chain.
9260 (create_nesting_tree): Initialize them.
9261 (lookup_field_for_decl): Use field_map.
9262 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9263 (convert_local_omp_clauses): New.
9264 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9265 (walk_body): Split out of walk_function.
9266 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9267 (convert_nonlocal_reference): Handle omp statements.
9268 (convert_local_reference): Likewise.
9269 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9270 (unnest_nesting_tree): New.
9271 (lower_nested_functions): Call it.
9272 (insert_field_into_struct): Make extern.
9273 (struct walk_stmt_info): Move to tree-gimple.h.
9274 (walk_stmts): Make extern.
9275 * omp-builtins.def: New file.
9276 * tree-iterator.c (expr_only): Clarify comment.
9277 * c-common.h (pushdecl_top_level, pushdecl,
9278 build_modify_expr, build_indirect_ref,
9279 c_finish_omp_master, c_finish_omp_critical,
9280 c_finish_omp_ordered, c_finish_omp_barrier,
9281 c_finish_omp_atomic, c_finish_omp_flush,
9282 c_finish_omp_for, c_split_parallel_clauses,
9283 omp_clause_default_kind, c_omp_sharing_predetermined,
9284 c_omp_remap_decl): Declare.
9285 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9286 (OBJS-common): Add omp-low.o.
9287 (c-omp.o, omp-low.o): Add.
9288 (gimplify.o): Add dependency on $(OPTABS_H).
9289 (GTFILES): Add omp-low.c.
9290 (gt-stringpool.h): Add.
9291 * tree-cfg.c (set_bb_for_stmt): Do not update the
9292 block-to-labels map if we are currently expanding to RTL.
9293 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9295 Handle IDENTIFIER_NODE.
9296 (tree_verify_flow_info): Do not ICE when emitting error
9297 messages about invalid labels.
9298 (dump_function_to_file): Reset CFUN before emitting the body
9300 (debug_function): New.
9301 * passes.c (init_optimization_passes): Schedule
9303 * langhooks-def.h (lhd_omp_predetermined_sharing,
9304 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9306 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9307 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9308 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9309 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9310 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9311 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9312 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9313 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9314 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9315 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9316 (LANG_HOOK_DECLS): Use them.
9318 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9319 Richard Henderson <rth@redhat.com>
9320 Jakub Jelinek <jakub@redhat.com>
9321 Diego Novillo <dnovillo@redhat.com>
9323 * c-parser.c (pragma_omp_clause): Define.
9324 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9325 (c_parser_compound_statement): Likewise.
9326 (c_parser_statement): Likewise.
9327 (c_parser_pragma): Handle omp pragmas.
9328 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9329 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9330 (c_parser_omp_clause_name, check_no_duplicate_clause,
9331 c_parser_omp_variable_list,
9332 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9333 c_parser_omp_clause_copyprivate,
9334 c_parser_omp_clause_default,
9335 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9336 c_parser_omp_clause_lastprivate,
9337 c_parser_omp_clause_nowait,
9338 c_parser_omp_clause_num_threads,
9339 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9340 c_parser_omp_clause_reduction,
9341 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9342 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9343 c_parser_omp_atomic, c_parser_omp_barrier,
9344 c_parser_omp_critical, c_parser_omp_flush,
9345 c_parser_omp_for_loop, c_parser_omp_for,
9346 c_parser_omp_master, c_parser_omp_ordered,
9347 c_parser_omp_sections_scope, c_parser_omp_sections,
9348 c_parser_omp_parallel, c_parser_omp_single,
9349 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9350 * c-pragma.c (init_pragma): Do omp pragma registration here.
9351 * c.opt (fopenmp): New flag.
9353 2006-01-18 Eric Christopher <echristo@apple.com>
9355 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9356 * config/darwin.h (GOMP_SELF_SPECS): Define.
9358 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9360 * rtl.h: Remove the prototype for reg_alloc.
9362 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9365 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9366 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9367 sjlj and dwarf2 exception handling.
9368 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9369 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9370 * pa/pa.c (function_value): Treat complex and vector types as
9372 (function_arg): Likewise. Only pass scalar floats in the floating
9373 point argument registers.
9374 * pa/t-slibgcc-dwarf-ver: New file.
9375 * pa/t-slibgcc-sjlj-ver: New file.
9376 * pa/t-slibgcc-elf-ver: Delete file.
9378 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9380 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9381 unlikely_test_section_p test.
9383 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9385 * mode-switching.c (optimize_mode_switching): Make it static.
9386 * basic-block.h: Remove the prototype for
9387 optimize_mode_switching.
9389 * modulo-sched.c (sms_schedule): Make it static.
9390 * rtl.h: Remove the prototype for sms_schedule.
9392 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9393 * rtl.h: Remove the prototype for gcse_after_reload_main.
9395 * reg-stack.c (reg_to_stack): Make it static.
9396 * rtl.h: Remove the prototype for reg_to_stack.
9398 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9400 * rtl.h: Remove the prototypes for regrename_optimize and
9401 copyprop_hardreg_forward.
9403 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9405 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9406 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9407 Test against the appropriate null constant for the mode.
9408 If 'fixup_overlap' is true, swap the operands if they overlap.
9409 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9410 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9411 alpha_split_tmode_pair and adjust for above change.
9412 * config/alpha/alpha.md (movtf_internal): Adjust call to
9413 alpha_split_tfmode_pair and rely on it to swap the operands.
9414 (movti_internal): New insn and post-reload splitter.
9415 (movti): New expander.
9417 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9419 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9422 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9424 * rtlanal.c (global_reg_mentioned_p_1,
9425 global_reg_mentioned_p): Remove.
9426 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9428 * flow.c (initialize_uninitialized_subregs): Make it static.
9429 * rtl.h: Remove the prototype for
9430 initialize_uninitialized_subregs.
9432 * function.c (instantiate_virtual_regs): Make it static.
9433 * function.h: Remove the prototype for
9434 instantiate_virtual_regs.
9436 * regmove.c (regmove_optimize, combine_stack_adjustments):
9438 * rtl.h: Remove the prototypes for regmove_optimize and
9439 combine_stack_adjustments.
9441 2006-01-17 Roger Sayle <roger@eyesopen.com>
9443 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9444 (size_cost): Encode costs in bytes so that a reg-reg addition is
9445 equivalent to COSTS_N_INSNS(1).
9446 (override_options): Use the size_cost.branch_cost as the default
9447 ix86_branch_cost when optimizing for size.
9449 2006-01-18 Ben Elliston <bje@au.ibm.com>
9451 * Makefile.in (D32PBIT_FUNCS): New.
9452 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9453 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9454 D64PBIT_FUNCS and D128PBIT_FUNCS.
9455 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9456 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9458 (decnumber_dep): Define.
9459 * doc/libgcc.texi (Decimal float library routines): New node.
9460 * config/dfp-bit.h, config/dfp-bit.c: New files.
9462 2006-01-18 Ben Elliston <bje@au.ibm.com>
9464 * expr.c (emit_move_change_mode): Always adjust addresses, not
9465 just during reload. Copy replacements only during reload.
9466 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9467 emit_move_via_integer.
9469 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9471 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9472 instead of $(srcdir) and ${srcdir}.
9474 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9478 * arm.h (struct machine_function): Add pic_reg.
9479 * arm.c (arm_pic_register): Make unsigned.
9480 (arm_override_options): Only set arm_pic_register if
9481 TARGET_SINGLE_PIC_BASE.
9482 (use_return_insn): Only test for a pic register if it is fixed.
9483 (arm_compute_save_reg0_reg12_mask): Likewise.
9484 (thumb_compute_save_reg_mask): Likewise.
9485 (legitimate_pic_operand): Factor out some known invariants.
9486 (legitimize_pic_address): If we don't have a fixed pic register,
9487 then set up a pseudo in the function entry sequence. Handle the
9488 pic base being in a pseudo.
9489 (arm_load_pic_register): Handle the pic register being in a pseudo.
9490 (arm_expand_prologue): Only set up the pic register if it is fixed.
9491 (thumb_expand_prologue): Likewise.
9492 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9493 (pic_load_addr_based_insn): Likewise.
9494 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9497 2006-01-18 Ben Elliston <bje@au.ibm.com>
9499 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9500 decimal float modes for all floating point registers.
9502 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9503 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9505 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9508 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9509 even when the pointer is not NULL.
9511 2006-01-16 Ian Lance Taylor <ian@airs.com>
9513 * common.opt (ftoplevel-reorder): New option.
9514 * cgraph.c (cgraph_asm_nodes): New global variable.
9515 (cgraph_asm_last_node): New static variable.
9516 (cgraph_order): New global variable.
9517 (cgraph_create_node): Set new order field.
9518 (cgraph_varpool_node): Likewise.
9519 (decide_is_variable_needed): Return true if not
9520 flag_toplevel_reorder.
9521 (cgraph_add_asm_node): New function.
9522 * cgraph.h (struct cgraph_node): Add order field.
9523 (struct cgraph_varpool_node): Add order field.
9524 (struct cgraph_asm_node): Define.
9525 (cgraph_asm_nodes, cgraph_order): Declare.
9526 (cgraph_add_asm_node): Declare.
9527 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9529 (cgraph_varpool_assemble_pending_decls): Call it.
9530 (cgraph_output_pending_asms): New static function.
9531 (cgraph_finalize_compilation_unit): Call it.
9532 (struct cgraph_order_sort): Define.
9533 (cgraph_output_in_order): New static function.
9534 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9535 !flag_toplevel_reorder case.
9536 * c-parser.c: Include "cgraph.h".
9537 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9539 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9540 than -fno-unit-at-a-time.
9541 * doc/invoke.texi (Option Summary): Mention
9542 -fno-toplevel-reorder.
9543 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9544 -funit-at-a-time documentation.
9546 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9547 Kazu Hirata <kazu@codesourcery.com>
9549 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9551 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9553 * Makefile.in (FUNCTION_H): New. Use it instead of
9554 function.h throughout the file.
9555 * function.h: Include tree.h.
9557 2006-01-17 Ben Elliston <bje@au.ibm.com>
9559 * recog.c: Separate some functions with whitespace.
9561 2006-01-16 Richard Henderson <rth@redhat.com>
9563 Merge from gomp branch:
9564 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9565 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9566 and rename from struct inline_data. Rename callee* to dst*;
9567 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9568 transform_new_cfg, transform_return_to_modify, and
9569 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9571 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9572 (copy_decl_for_dup): Remove.
9573 * tree-inline.c (struct inline_data): Move to header.
9574 (insert_decl_map): Export.
9575 (remap_decl): Update for member name changes. Use copy_decl hook.
9576 Allow for replacement to be a non-decl. Remove dead code.
9577 (remap_type_1): Check for existing mapping.
9578 (remap_type): Export.
9579 (remap_decls): Update for member name changes.
9580 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9581 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9582 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9583 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9584 (tree_function_versioning, build_duplicate_type): Likewise.
9585 (copy_body_r): Likewise. Export.
9586 (copy_decl_for_dup): Split into ...
9587 (copy_decl_for_dup_finish, copy_decl_to_var,
9588 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9589 (replace_ref_tree, inlining_p): Remove.
9591 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9593 * ifcvt.c (if_convert): Make it static.
9594 * rtl.h: Remove the prototype for if_convert.
9596 * local-alloc.c (local_alloc): Make it static.
9597 * rtl.h: Remove the prototype for local_alloc.
9599 * loop.c (loop_optimize): Make it static.
9600 * cfgloop.h: Remove the prototype for loop_optimize.
9603 2006-01-16 DJ Delorie <dj@redhat.com>
9605 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9608 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9610 * pa.md: Disparage copies between general and floating-point registers
9611 in 32-bit move patterns.
9613 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9616 * Makefile.in (check-%): Depend on site.exp instead of
9617 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9620 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9622 * global.c (global_alloc): Make it static.
9623 * rtl.h: Remove the prototype for global_alloc.
9625 2006-01-16 Richard Guenther <rguenther@suse.de>
9627 * tree-ssa-alias.c (struct used_part): Add write_only field.
9628 (get_or_create_used_part_for): Initialize it to true.
9629 (create_overlap_variables_for): Don't create structure variables
9630 for structures that only are written to.
9631 (find_used_portions): Handle MODIFY_EXPR to track whether a
9632 structure is only written to.
9634 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9636 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9638 * basic-block.h: Remove the prototype for
9639 partition_hot_cold_basic_blocks.
9641 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9643 * cppspec.c (lang_specific_spec_functions): Remove.
9644 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9645 * gcc.h (lang_specific_spec_functions): Remove.
9646 * gccspec.c (lang_specific_spec_functions): Remove.
9648 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9650 * combine.c (record_value_for_reg): Invalidate registers
9652 (record_dead_and_set_regs_1): Likewise, by passing them to
9653 record_value_for_reg.
9654 (record_dead_and_set_regs): Invalidate stores made by a
9655 call. We do not combine across a call, but we still
9656 relied on equivalences.
9658 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9660 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9661 vrp_int_const_binop returning non-constant nodes.
9663 2006-01-16 Paul Brook <paul@codesourcery.com>
9665 * config/m68k/m68k.c (output_move_const_into_data_reg):
9666 Output correct mnemonic for mvz and mvs.
9668 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9670 * rtl-factoring.c: Add sequence abstraction algorithm.
9671 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9672 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9674 (block_has_preserve_label): New function.
9675 * common.opt: Register new pass.
9676 * Makefile.in: Ditto.
9678 * timevar.def: Ditto.
9679 * tree-pass.h: Ditto.
9680 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9681 * rtl.h (make_jump_insn_raw): Add forward decl.
9682 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9684 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9685 Roger Sayle <roger@eyesopen.com>
9687 * fold-const.c (fold_minmax): New static function.
9688 (fold_binary) <MIN_EXPR>: Call it.
9689 <MAX_EXPR>: Likewise.
9690 * stor-layout.c (place_field): Use DECL_SIZE consistently
9691 in the computation of the new record size.
9693 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9695 * cse.c (cse_condition_code_reg): Make it static.
9696 * rtl.h: Remove the prototype for cse_condition_code_reg.
9698 * combine.c (combine_instructions): Make it static.
9699 * rtl.h: Remove the prototype for combine_instructions.
9701 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9704 * tree.c (get_file_function_name_long): Concatenate the first global
9705 object name with a string derived from the input filename of the object
9708 2006-01-16 Ben Elliston <bje@au.ibm.com>
9710 * config/i386/winnt-stubs.c: Update FSF address.
9711 * config/xtensa/ieee754-df.S: Ditto.
9712 * config/xtensa/ieee754-sf.S: Ditto.
9714 2006-01-14 Ian Lance Taylor <ian@airs.com>
9716 * ifcvt.c (noce_init_if_info): New static function, broken out of
9717 noce_process_if_block.
9718 (noce_process_if_block): Call noce_init_if_info.
9719 (check_cond_move_block): New static function.
9720 (cond_move_process_if_block): New static function.
9721 (process_if_block): Call cond_move_process_if_block.
9723 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9725 * cselib.c (hash_table): Rename to cselib_hash_table.
9726 (cselib_clear_table, discard_useless_values,
9727 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9728 cselib_init, cselib_finish): Adjust uses of hash_table.
9730 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9732 PR tree-optimization/25485
9733 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9734 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9735 is known to be false and true, respectively.
9737 2006-01-14 Richard Guenther <rguenther@suse.de>
9739 PR tree-optimization/22548
9740 PR tree-optimization/22555
9741 PR tree-optimization/22501
9742 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9743 * params.def (salias-max-array-elements): New parameter.
9744 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9745 * doc/invoke.texi (salias-max-array-elements): Document.
9746 * tree-flow-inline.h (var_can_have_subvars): We also handle
9748 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9750 * tree-ssa-structalias.c (params.h): Include.
9751 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9752 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9753 (get_constraint_for): For ADDR_EXPR operating on something
9754 containing an ARRAY_REF, add all subvars to the solution.
9755 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9756 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9757 for creating MUST_DEFs.
9758 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9760 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9762 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9764 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9765 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9766 number_of_iterations_le): New functions.
9767 (number_of_iterations_special): Removed.
9768 (number_of_iterations_exit): Do not use number_of_iterations_special.
9769 * tree.c (unsigned_type_for): Always return integer type.
9771 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9772 Richard Guenther <rguenther@suse.de>
9774 PR rtl-optimization/24257
9775 * gcse.c (find_moveable_store): Only consider a store movable
9776 when the SET_SRC of the insn can be assigned to a register.
9778 2006-01-14 Ian Lance Taylor <ian@airs.com>
9780 * tree.c (tree_not_class_check_failed): New function.
9781 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9782 (tree_not_class_check_failed): Declare.
9784 2006-01-13 Ian Lance Taylor <ian@airs.com>
9786 * reload1.c (do_output_reload): Add assertion rejecting a
9789 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9791 * combine.c (struct reg_stat): Add new fields truncation_label and
9793 (record_value_for_reg): Reset truncated_to_mode.
9794 (record_truncated_value): New function.
9795 (check_promoted_subreg): Call it. Rename to check_conversions.
9796 (combine_instructions): Rename check_promoted_subreg to
9798 (reg_truncated_to_mode): New function.
9799 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9800 (gen_lowpart_or_truncate): New function.
9801 (force_to_mode): Use it instead of gen_lowpart.
9803 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9805 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9806 VAR is a tag, not its type tag.
9808 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9810 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9811 alternatives to match style of other entries.
9812 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9814 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9816 PR tree-optimization/25771
9817 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9820 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9823 * tree-inline.c (declare_return_variable): If the return variable
9824 was marked as a non gimple complex, set the return slot variable
9825 to be a non gimple comple variable.
9827 2006-01-13 Richard Guenther <rguenther@suse.de>
9829 * builtins.c (expand_builtin_sincos): New function.
9830 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9832 (expand_builtin): Expand sincos using expand_builtin_sincos.
9834 2006-01-12 DJ Delorie <dj@redhat.com>
9836 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9837 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9838 so that constant shifts can be split.
9839 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9840 (m32c_valid_pointer_mode): Make static.
9841 (shift_gen_func_for): New.
9842 (m32c_prepare_shift): Use it. Split large const shifts into
9844 * config/m32c/predicates.md (shiftcount_operand): Allow more
9846 (longshiftcount_operand): New.
9847 * doc/md.texi (Machine Constraints): Document In6.
9849 2006-01-13 Ben Elliston <bje@au.ibm.com>
9851 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9852 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9855 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9857 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9858 to try to avoid clobbering pieces of structures when we know
9859 something about the whole structure.
9860 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9862 2006-01-13 Ben Elliston <bje@au.ibm.com>
9864 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9865 return in memory, as this is no limitation is no longer present.
9867 2006-01-12 DJ Delorie <dj@redhat.com>
9869 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9870 mova with fb, and for fb+0 -> An.
9872 * config/m32c/mov.md (peephole2): Fix enabling logic.
9874 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9875 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9876 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9877 FINI_ARRAY_SECTION_ASM_OP): Define.
9879 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9881 (m32c_legitimize_reload_address): New logic to reload FB to An.
9882 (m32c_output_reg_push): Add newline.
9883 (m32c_output_reg_pop): Likewise.
9885 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9887 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9889 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9891 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9893 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9895 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9898 2006-01-11 Ben Elliston <bje@au.ibm.com>
9900 * rtlanal.c (find_reg_note): Assert insn is not null.
9902 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9904 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9907 2006-01-11 Jeff Law <law@redhat.com>
9909 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9911 (mark_threaded_blocks, register_jump_thread): New functions.
9912 (thread_through_all_blocks): Remove unwanted argument. No
9913 longer rely on e->aux to communicate thread target info.
9914 Call mark_threaded_blocks. Release the threaded_blocks
9915 bitmap and threaded_edges vector when complete.
9916 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9917 (threaded_blocks): Remove.
9918 (tree_ssa_dominator_optimize): Remove initialization and
9919 finalization of threaded_blocks. Simplify call to
9920 thread_through_all_blocks.
9921 (thread_across_edge): Call register_jump_thread rather than
9922 storing thread information into e->aux.
9923 (free_all_edge_infos): Simplify now that e->aux is no longer
9924 used to communicate with thread_through_all_blocks.
9925 * tree-flow.h (thread_through_all_blocks): Update prototype.
9926 (register_jump_thread): Prototype.
9928 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9930 * df-core.c (df_compact_blocks, df_bb_replace): Use
9931 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9933 2006-01-11 Richard Guenther <rguenther@suse.de>
9935 PR tree-optimization/25734
9936 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9937 stop propagation after successful propagation to the LHS.
9939 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9941 * basic-block.h (control_flow_graph): Change the type of
9942 x_basic_block_info to VEC(basic_block,gc) *.
9943 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9945 (SET_BASIC_BLOCK): New.
9946 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9947 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9948 * cfgbuild.c (find_basic_blocks): Likewise.
9949 * cfglayout.c (fixup_reorder_chain): Likewise.
9950 * cfgrtl.c (create_basic_block_structure,
9951 rtl_create_basic_block): Likewise.
9952 * ifcvt.c (find_if_case_1): Likewise.
9953 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9956 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9958 * Makefile.in: Removed rotted odf.c entry.
9960 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9963 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9964 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9965 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9966 output pattern modifier, not %e.
9967 * config/cris/cris.c (cris_op_str): Update comment about pattern
9969 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9970 before falling through into...
9971 <case 'E'>: Redefined from old 'e' case.
9973 2006-01-11 Jan Hubicka <jh@suse.cz>
9976 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9978 2006-01-11 Jan Hubicka <jh@suse.cz>
9980 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9981 * i386.c (x86_decompose_lea): Kill.
9982 (ix86_rtx_costs): Kill.
9984 2006-01-11 Jan Hubicka <jh@suse.cz>
9986 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9987 * cgraph.h (cgraph_node): Add inline_decl.
9988 (cgraph_insert_node_to_hashtable): Declare.
9989 (save_inline_function_body): Declare.
9990 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9992 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9993 (cgraph_function_versioning): Update call of tree_function_versioning.
9994 (save_inline_function_body): New function.
9995 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9996 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9997 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9998 (cgraph_default_inline_p): Likewise.
9999 (cgraph_decide_inlining_incrementally): Likewise.
10000 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10001 (copy_bb): Kill saving; do updating of clones.
10002 (copy_cfg_body): Kill saving.
10003 (initialize_inlined-parameters): Likewise.
10004 (expand_call_inline): Likewise.
10006 (tree_function_versioning): New parameter "update_clones".
10007 (inlining_p): Kill saving.
10008 * tree-inline.h (tree_function_versioning): Update prototype.
10009 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10012 2006-01-11 Ian Lance Taylor <ian@airs.com>
10014 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10015 Allow undoing set of machine mode.
10016 (do_SUBST): Use enums instead of is_int.
10017 (do_SUBST_MODE): New function.
10018 (SUBST_MODE): New macro.
10019 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10020 reg and trying to replace reg_regno_rtx with a new register.
10021 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10022 (simplify_set): Use SUBST_MODE.
10023 (distribute_notes): Remove code that tried to update reg notes
10024 for regno_reg_rtx changes.
10026 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10028 PR tree-optimization/23109
10029 PR tree-optimization/23948
10030 PR tree-optimization/24123
10032 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10033 * tree-cfg.c (single_noncomplex_succ): New.
10034 * tree-flow.h (single_noncomplex_succ): Declare it.
10035 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10036 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10037 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10038 insert_bb, register_division_in, insert_reciprocals,
10039 replace_reciprocal, free_bb): New.
10040 (execute_cse_reciprocals_1): Rewritten.
10041 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10042 Do not commit any edge insertion. Always compute dominators and
10043 create the allocation pool.
10044 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10045 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10046 * targhooks.c (default_min_divistions_for_recip_mul): New.
10047 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10048 * passes.c (init_optimization_passes): Run recip after tree loop
10050 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10052 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10053 Kenneth Zadeck <zadeck@naturalbridge.com>
10055 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10056 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10057 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10058 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10059 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10060 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10061 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10062 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10063 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10064 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10065 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10066 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10067 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10068 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10069 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10070 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10071 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10072 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10073 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10074 DF_SCAN_POST_ALLOC): New macros.
10075 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10076 df_free_bb_function, df_local_compute_function, df_init_function,
10077 df_dataflow_function, df_confluence_function_0,
10078 df_confluence_function_n, df_transfer_function,
10079 df_finalizer_function, df_free_function, df_dump_problem_function,
10080 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10081 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10082 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10083 df_urec_bb_info, ) New types.
10084 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10086 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10087 df_analyze_simple_change_some_blocks,
10088 df_analyze_simple_change_one_block, df_compact_blocks,
10089 df_bb_replace, df_bb_regno_last_use_find,
10090 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10091 df_insn_regno_def_p, df_find_def, df_find_use,
10092 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10093 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10094 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10095 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10096 debug_df_chain, df_get_dependent_problem, df_chain_create,
10097 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10098 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10099 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10100 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10101 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10102 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10103 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10104 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10105 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10106 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10107 df_reorganize_refs, df_set_state, df_hard_reg_init,
10108 df_read_modify_subreg_p) New public functions.
10109 * df-core.c: The core dataflow solver and glue routines for rtl
10111 (df_init, df_add_problem, df_set_blocks, df_finish,
10112 df_hybrid_search_forward, df_hybrid_search_backward,
10113 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10114 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10115 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10116 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10117 df_reg_defined, df_find_use, df_reg_used, df_dump,
10118 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10119 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10120 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10121 debug_df_useno, reset_df_after_reload): New functions.
10122 * df-scan.c: The scanning fuctions, once in df.c, completely
10123 rewritten so that they now fully model the functionality of
10124 register usage at the backend.
10125 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10126 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10127 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10128 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10129 df_get_artificial_defs, df_get_artificial_uses,
10130 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10131 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10132 df_refs_delete, df_reorganize_refs, df_set_state,
10133 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10134 df_def_record_1, df_defs_record, df_uses_record,
10135 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10136 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10137 df_record_exit_block_uses, df_hard_reg_init): New functions.
10139 * df-problems.c: Seven concrete dataflow problems that use the
10140 scanning in df-scan.c and are solved by the engine in df-core.c.
10141 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10142 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10143 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10144 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10145 df_ru_free_bb_info, df_ru_alloc,
10146 df_ru_bb_local_compute_process_def,
10147 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10148 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10149 df_ru_transfer_function, df_ru_free, df_ru_dump,
10150 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10151 df_rd_free_bb_info, df_rd_alloc,
10152 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10153 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10154 df_rd_transfer_function, df_rd_free, df_rd_dump,
10155 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10156 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10157 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10158 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10159 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10160 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10161 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10162 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10163 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10164 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10165 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10166 df_urec_mark_reg_use_for_earlyclobber,
10167 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10168 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10169 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10170 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10171 df_chain_create_bb_process_use, df_chain_create_bb,
10172 df_chain_finalize, df_chain_free, df_chains_dump,
10173 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10174 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10175 df_reg_lifetime): New functions.
10176 * df.c: Deleted file.
10177 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10178 consistent with new df api.
10179 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10180 rest_of_handle_sms): Ditto.
10181 * web.c (unionfind_union, union_defs, entry_register, web_main):
10183 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10184 invariant_expr_equal_p, find_defs, check_dependencies,
10185 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10186 free_inv_motion_data, move_loop_invariants): Ditto.
10187 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10188 Update dependencies.
10189 (odf.c): Added defective entry that was deleted later in day.
10190 * sched-deps.c (sched_analyze_1): Ditto.
10192 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10194 * tree-ssa-operands.c (get_expr_operands): Record addressable
10195 variables directly. Do not call add_stmt_operands for CONST_DECLs
10197 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10198 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10200 2006-01-11 Ben Elliston <bje@au.ibm.com>
10202 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10203 function returns true in the positive case.
10205 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10208 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10209 for SI, DI, SF and DF modes. Add alternatives to copy between
10210 general and floating point registers to the 32-bit patterns.
10211 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10212 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10213 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10214 generating 64-bit code.
10215 * config/pa/pa.c (output_move_double): Handle copies between general
10216 and floating registers.
10218 2006-01-10 Stuart Hastings <stuart@apple.com>
10220 * config/i386/i386.md (set_got): Update.
10221 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10222 (builtin_setjmp_receiver): Mach-O support.
10223 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10224 (GOT_SYMBOL_NAME): Define.
10225 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10226 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10227 * config/i386/i386.c (override_options): Revise for Darwin.
10228 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10229 support. (darwin_x86_file_end): New. (output_set_got): Add label
10230 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10231 * config/i386/i386-protos.h (output_set_got): Likewise.
10232 * config/darwin.c (machopic_legitimize_pic_address): Update
10235 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10237 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10238 when MODE isn't BLKmode.
10240 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10242 PR rtl-optimization/25367
10243 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10245 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10248 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10249 for a negative bound.
10251 2006-01-10 Richard Guenther <rguenther@suse.de>
10253 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10254 Never override with anything constraint.
10256 2006-01-10 Jan Beulich <jbeulich@novell.com>
10258 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10259 256 bits when optimize_size.
10261 2006-01-10 Jan Beulich <jbeulich@novell.com>
10263 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10265 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10266 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10269 2006-01-10 Ben Elliston <bje@au.ibm.com>
10271 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10273 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10274 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10275 (USE_FP_FOR_ARG): Reject decimal float modes.
10276 (function_arg_advance): Likewise.
10277 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10278 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10279 point types in AltiVec vectors.
10280 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10281 (rs6000_libcall_value): Likewise.
10283 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10285 * config/xtensa/ieee754-df.S: New file.
10286 * config/xtensa/ieee754-sf.S: New file.
10287 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10288 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10289 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10291 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10293 * config/sh/predicates.md (binary_float_operator,
10294 binary_logical_operator, commutative_float_operator,
10295 equality_comparison_operator, greater_comparison_operator,
10296 less_comparison_operator, logical_operator,
10297 noncommutative_float_operator, shift_operator,
10298 symbol_ref_operand, unary_float_operator): Remove redundant
10301 2006-01-09 Jeff Law <law@redhat.com>
10303 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10304 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10305 now unused arguments. Callers updated.
10306 (eliminate_redundant_computations): Remove now unused arguments,
10308 (local_fold): Remove, no longer used.
10309 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10311 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10312 (simplify_cond): New function.
10313 (forward_propagate_into_cond): Call simplify_cond.
10315 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10317 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10318 (*vec_extractv2di_1_sse): New.
10320 2006-01-09 Ben Elliston <bje@au.ibm.com>
10322 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10324 2006-01-08 Richard Guenther <rguenther@suse.de>
10326 * tree-ssa-structalias.c (get_constraint_for): Remove
10327 anyoffset argument.
10328 (get_constraint_for_component_ref): Likewise.
10329 (do_deref): Likewise.
10330 (get_constraint_for): Likewise.
10331 (do_structure_copy): Likewise.
10332 (handle_ptr_arith): Likewise.
10333 (find_func_aliases): Likewise. Remove unused need_anyoffset
10336 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10337 Kaz Kojima <kkojima@gcc.gnu.org>
10339 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10340 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10341 (EXTRA_CONSTRAINT_C16): Remove.
10342 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10343 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10344 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10345 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10346 constants of SHmedia. Handle nested constant expressions of
10348 (andcosts): Fix the costs for SHmedia constants.
10349 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10350 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10351 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10352 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10353 (movv4hi_i, movv2si_i): Likewise.
10354 (movsi_const): Adjust the second operand of ior so to match with
10355 the Csu constraint.
10356 (movdi_const, movdi_const_32bit): Likewise.
10357 (movdi_const_16bit+1): Don't sign-extend LOW.
10358 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10360 (*double_shori): Fix the split condition. Use GEN_INT instead
10361 of get_int_mode calls. Mask lower 16-bit of the argument of
10363 (sym2GOTPLT): Remove.
10364 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10366 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10367 instead of EXTRA_CONSTRAINT_C16.
10369 2006-01-07 Ian Lance Taylor <ian@airs.com>
10370 David Edelsohn <edelsohn@gnu.org>
10372 PR rtl-optimization/25662
10373 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10374 for constant operands instead of simplify_gen_binary.
10375 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10376 after trying simplify_binary_operation
10378 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10380 * tree.c (iterative_hash_expr): Hash decls based on UID.
10382 2006-01-06 Eric Christopher <echristo@apple.com>
10384 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10385 (TARGET_UNWIND_EMIT): Fix spelling.
10386 * target.h (gcc_target): Add except_table_label.
10387 * except.c (output_function_exception_table): Use.
10388 * varasm.c (default_emit_except_table_label): New.
10389 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10391 (asm_out): Add here.
10392 * output.h (default_emit_except_table_label): Prototype.
10393 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10394 * config/darwin.c (darwin_emit_except_table_label): Define.
10395 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10397 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10399 PR tree-optimization/18527
10400 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10401 number_of_iterations_special, number_of_iterations_exit):
10402 Move base and step of an iv to a single structure. Add
10403 no_overflow flag, and use it in # of iterations analysis.
10404 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10405 folded_casts argument.
10406 (simple_iv): Pass base and step in a structure. Set no_overflow
10408 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10409 Evaluate expensiveness of computing # of iterations instead of
10410 the final expression.
10411 * tree-scalar-evolution.h (affine_iv): New structure.
10412 (simple_iv): Declaration changed.
10413 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10414 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10415 find_givs_in_stmt): Changed due to simple_iv change.
10417 2006-01-06 Jeff Law <law@redhat.com>
10420 * tree-cfg.c (bsi_replace): Rename final argument from
10421 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10422 change (stmt -> orig_stmt).
10423 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10424 (bsi_remove): Add new argument. Remove EH information
10426 (verify_eh_throw_table_statements): New function.
10427 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10429 * tree-optimize.c (execute_free_cfg_annotations): Verify
10430 the EH throw statement table after removing annotations.
10431 * except.h (verify_eh_throw_table_statements): Prototype.
10432 * tree-flow.h (bsi_remove): Update prototype.
10433 * tree-vrp.c (remove_range_assertions): Add new argument to
10435 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10436 * tree-complex.c (expand_complex_div_wide): Likewise.
10437 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10438 * tree-tailcall.c (eliminate_tailcall): Likewise.
10439 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10440 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10441 * tree-nrv.c (tree_nrv): Likewise.
10442 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10443 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10444 (combine_blocks): Likewise.
10445 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10446 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10447 (cleanup_control_flow): Likewise.
10448 (remove_forwarder_block): Likewise.
10449 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10450 * tree-sra.c (sra_replace): Likewise.
10451 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10452 (forward_propagate_single_use_vars): Likewise.
10453 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10454 * tree-inline.c (expand_call_inline): Likewise.
10455 * tree-vect-transform.c (vect_transform_loop): Likewise.
10456 * tree-outof-ssa.c (rewrite_trees): Likewise.
10457 * tree-cfg.c (make_goto_expr_edges): Likewise.
10458 (cleanup_dead_labels): Likewise.
10459 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10460 (bsi_move_before, bsi_move_after): Likewise.
10461 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10462 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10464 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10467 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10469 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10470 on non gimple variables. Also add checks at the top for decls and
10472 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10474 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10475 and IMAGPART_EXPR for creating MUST_DEFs.
10476 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10477 and NAME_MEMORY_TAG separately from the DECLs.
10479 2006-01-06 Richard Guenther <rguenther@suse.de>
10481 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10482 annotation, if necessary.
10483 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10484 redundant calls to update_stmt.
10485 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10488 2006-01-05 Richard Henderson <rth@redhat.com>
10490 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10492 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10494 * c-typeck.c: Update copyright date.
10496 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10498 * c-typeck.c (build_c_cast): Always warn when casting
10499 from a pointer to an integer of different size, even if
10500 the node was constant.
10502 2006-01-05 Richard Guenther <rguenther@suse.de>
10504 PR tree-optimization/22555
10505 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10506 if one structure field is an array.
10507 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10508 operands even if we found a subvar, but ignore VOPs in this
10510 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10512 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10514 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10516 PR middle-end/24998
10517 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10519 2006-01-05 Richard Guenther <rguenther@suse.de>
10520 Diego Novillo <dnovillo@redhat.com>
10522 * tree-pass.h (TODO_remove_unused_locals): Define.
10523 * gimple-low.c (expand_var_p, remove_useless_vars,
10524 pass_remove_useless_vars): Remove. Update all users.
10525 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10526 (remove_unused_locals): New function.
10527 * tree-flow.h (remove_unused_locals): Declare.
10528 * passes.c (execute_todo): Call remove_unused_locals if
10529 TODO_remove_unused_locals is set.
10530 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10531 * tree-ssa-dce.c (pass_dce): Likewise.
10532 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10534 2006-01-05 Richard Guenther <rguenther@suse.de>
10536 * tree-flow.h (struct fieldoff): Decompose field to
10537 type, size and decl.
10538 * tree-ssa-alias.c (create_sft): Take type as parameter.
10539 (create_overlap_variables_for): Store type, size and decl
10540 in the fieldoff structure.
10541 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10542 of struct fieldoff.
10543 (push_fields_onto_fieldstack): Likewise.
10544 (create_variable_info_for): Likewise. Use offset for the
10545 SFT name if the decl is not available.
10547 2006-01-04 Paul Brook <paul@codesourcery.com>
10549 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10551 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10553 * lambda-code.c (can_put_in_inner_loop): Relax
10555 (can_put_after_inner_loop): New function.
10556 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10557 (perfect_nestify): Change to make copies and modify uses.
10559 2006-01-04 Richard Henderson <rth@redhat.com>
10561 Merge from gomp branch:
10562 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10563 via integer constant.
10564 (pragma_lex): Remove.
10565 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10566 rather than parsing it.
10567 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10568 handle_pragma_extern_prefix): Add %< %> quotes.
10569 (registered_pragmas): New.
10570 (c_register_pragma_1): New.
10571 (c_register_pragma): Use it.
10572 (c_register_pragma_with_expansion): Likewise.
10573 (c_invoke_pragma_handler): New.
10574 (init_pragma): Use cpp_register_deferred_pragma directly for
10576 * c-pragma.h (enum pragma_kind): New.
10577 (pragma_handler): New.
10578 (c_invoke_pragma_handler): Declare.
10579 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10581 * c-common.h (c_common_pch_pragma): Update decl.
10582 * Makefile.in (c-parser.o): Update dependencies.
10583 (GTFILES): Add c-pragma.h.
10584 * c-parser.c (struct c_token): Add pragma_kind.
10585 (struct c_parser): Add in_pragma.
10586 (c_lex_one_token): Always initialize keyword and pragma_kind.
10587 Extract data for CPP_PRAGMA.
10588 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10589 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10590 Don't allow CPP_PRAGMA_EOL if in_pragma.
10591 (c_parser_consume_pragma): New.
10592 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10593 (c_parser_skip_to_end_of_parameter): Likewise.
10594 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10595 (c_parser_skip_to_pragma_eol): New.
10596 (c_parser_external_declaration): Handle CPP_PRAGMA.
10597 (c_parser_compound_statement_nostart): Likewise.
10598 (c_parser_statement_after_labels): Likewise.
10599 (c_parser_pragma): New.
10600 (pragma_lex): Likewise.
10601 (c_parser_pragma_pch_preprocess): New.
10602 (c_parser_new): Merge into ...
10603 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10605 2006-01-04 Jeff Law <law@redhat.com>
10608 * tree-cfg.c (bsi_replace): Remove the original statement
10609 from the EH throw statement table.
10611 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10613 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10614 make the prototype extern "C" and add throw ().
10617 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10618 and pos non-negative and pos + len <= 32.
10619 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10620 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10621 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10624 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10625 as well as sizes not multiple of component size.
10628 * function.c (instantiate_expr): New function.
10629 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10630 walk its DECL_VALUE_EXPR with instantiate_expr.
10632 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10633 DW_OP_deref{,_size} if address isn't going to be added.
10635 2006-01-04 Ben Elliston <bje@au.ibm.com>
10637 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10638 * config/fp-bit.c: Likewise.
10640 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10642 * dominance.c: Add comment about why we use DFS numbering
10645 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10646 Richard Henderson <rth@redhat.com>
10648 Merge from gomp-branch:
10649 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10650 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10652 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10654 PR rtl-optimization/25578
10655 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10656 pass a parameter to simplify_shift_const if changing ASHIFTRT
10659 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10661 * builtins.c (get_builtin_sync_mem): New function.
10662 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10663 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10664 Call get_builtin_sync_mem to generate mem rtx.
10666 2006-01-03 Richard Guenther <rguenther@suse.de>
10669 * stmt.c (add_case_node): Make sure to clear overflow flags
10672 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10674 Merge from gomp-branch.
10675 * config/sparc/sync.md: New file.
10676 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10677 UNSPECV_LDSTUB): New constants.
10678 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10679 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10680 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10683 2006-01-03 Roger Sayle <roger@eyesopen.com>
10685 * combine.c (reg_subword_p): New predicate to test whether the
10686 destination of a set refers to a subword/piece of a register.
10687 (try_combine): Generalize the code to merge the setting of a
10688 pseudo to a constant followed by a set of a subword of that
10689 register to a constant.
10691 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10693 * basic-block.h (control_flow_graph): Change the type of
10694 x_label_to_block_map to VEC(basic_block,gc) *.
10695 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10696 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10698 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10699 VEC(basic_block,heap) *.
10700 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10701 ssa_prop_fini): Adjust the uses of cfg_blocks.
10703 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10705 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10707 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10708 hashing trees instead of a pointer hash.
10709 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10710 compare for MEM_EXPR.
10712 PR rtl-optimization/25130
10713 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10714 when comparing MEMs for GCSE
10716 2006-01-03 Ben Elliston <bje@au.ibm.com>
10718 * targhooks.h (default_decimal_float_supported_p): Declare.
10719 * targhooks.c (default_decimal_float_supported_p): Define.
10720 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10721 `default_decimal_float_supported_p'.
10722 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10724 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10726 * combine.c (apply_distributive_law <SUBREG>): Check
10727 TRULY_NOOP_TRUNCATION.
10729 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10731 * dwarf2out.c (have_switched_text_section): Delete.
10732 (have_multiple_function_sections): New.
10733 (have_location_lists): Make 'bool'.
10734 (add_AT_loc_list): Use 'true' not '1'.
10735 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10736 (output_loc_list): Use have_multiple_function_sections.
10737 (output_ranges): Likewise.
10738 (dwarf2out_begin_function): Set have_multiple_function_sections if
10740 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10741 Check function_section rather than DECL_SECTION_NAME.
10742 (dwarf2out_finish): Use have_multiple_function_sections.
10743 Don't clear have_location_lists.
10745 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10746 Jan Hubicka <jh@suse.cz>
10748 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10749 case of conditional jump jumping to the next instruction.
10750 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10751 cases of conditional jump jumping to the next instruction.
10753 2006-01-02 Jan Hubicka <jh@suse.cz>
10755 * i386.c (*_cost): Add COSTS_N_INSNS.
10756 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10758 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10761 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10763 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10765 * config/arm/arm.c (all_fpus): Fix comment typo.
10766 * config/darwin.c: Likewise.
10767 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10768 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10769 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10771 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10773 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10774 (rs6000_split_compare_and_swapqhi): New.
10775 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10776 (sync_compare_and_swapqhi_internal): New.
10777 * config/rs6000/rs6000-protos.h: Declare.
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