1 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5 ashrdi_const, ashrdi3): Use a scratch register.
7 2006-05-10 Richard Guenther <rguenther@suse.de>
9 PR tree-optimization/27302
10 * fold-const.c (operand_equal_p): For two comparisons,
11 try comparison of one comparison code swapped if that yields
14 2006-05-10 Ben Elliston <bje@au.ibm.com>
16 * tree-pretty-print.c (pretty_print_string): No need to handle
17 '\0' as a special character.
19 * tree.h: Include "hashtab.h".
20 (iterative_hash_expr): Use hashval_t in its prototype.
21 * Makefile.in (TREE_H): Add $(HASHTAB_H).
23 2006-05-09 Steve Ellcey <sje@cup.hp.com>
26 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
27 (hppa*64*-*-hpux11*): Ditto.
28 (hppa[12]*-*-hpux11*): Ditto.
30 2006-05-09 David Edelsohn <edelsohn@gnu.org>
33 * config/rs6000/aix41.h (TARGET_64BIT): Define.
35 2006-05-09 Michael Matz <matz@suse.de>
37 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
38 host_extra_gcc_objs and host_xmake_file.
39 (<*-*-linux*>): Don't overwrite host_xmake_file.
40 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
41 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
42 (host_detect_local_cpu): Declare.
43 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
44 * config/i386/i386.c (override_options): Handle -mtune=native
46 * config/i386/x-i386: New file.
47 * config/i386/driver-i386.c: New file.
48 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
51 2006-05-09 Dirk Mueller <dmueller@suse.de>
52 Richard Guenther <rguenther@suse.de>
55 * fold-const.c (fold_read_from_constant_string): Relax check
56 for matching types to matching modes.
58 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
60 PR rtl-optimization/27335
61 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
64 2006-05-08 Chao-ying Fu <fu@mips.com>
65 Richard Sandiford <richard@codesourcery.com>
67 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
68 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
69 * config/mips/mips.md (UNSPEC_SCC): New constant.
70 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
71 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
72 (mips_emit_compare): Use it.
73 (mips_expand_vcondv2sf): New function.
75 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
77 Fix PR tree-optimization/27093
78 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
79 renaming when they become not-used_alone.
81 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
83 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
84 relocation and relocation stubs.
86 2006-05-08 Eric Christopher <echristo@apple.com>
88 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
91 2006-05-08 Jan Hubicka <jh@suse.cz>
94 * cgraphunit.c (decide_is_function_needed): When not optimizing even
95 unused static functions are needed.
97 2006-05-08 Roger Sayle <roger@eyesopen.com>
100 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
101 of a reg_equiv_constant if the result is a legitimate constant.
103 2006-05-08 Uros Bizjak <uros@kss-loka.si>
106 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
107 standard 80387 constants, raise the cost to prevent
108 compress_float_constant() to generate load from memory.
110 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
112 * config/arm/constraints.md (c): Fix a typo.
114 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
117 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
120 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
122 (_mm_mwait): Likewise.
124 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
126 (sse3_monitor): Make it 32bit only.
127 (sse3_monitor64): New. 64bit monitor.
129 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
132 * config/i386/i386.c (classify_argument): Skip fields with invalid
135 2006-05-07 Richard Guenther <rguenther@suse.de>
137 PR tree-optimization/27409
138 * tree-ssa-structalias.c (get_constraint_for_component_ref):
139 Do not try to find zero-sized subvars.
141 2006-05-07 Richard Guenther <rguenther@suse.de>
143 PR tree-optimization/27136
144 * tree-ssa-loop-niter.c (get_val_for): Correct function
145 comment, assert requirements.
146 (loop_niter_by_eval): Stop processing if the iterated
147 value did not simplify.
149 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
151 * opts.c (flag_see): remove its setting at -O3.
153 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
155 * genpeep.c (main): Make insn-peep.c depend on flags.h.
156 * arm/constraints.md: New file.
157 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
158 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
159 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
160 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
161 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
162 (EXTRA_MEMORY_CONSTRAINT): Likewise.
163 * arm.md: Include constraints.md.
164 (thumb_movsi_insn): Use satisfies_constraint_J.
165 (movhi, movqi): Use satisfies_constraint_I.
167 2006-04-29 Anatoly Sokolov <aesok@post.ru>
169 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
170 for atmeg a645 device.
172 2006-05-06 Richard Guenther <rguenther@suse.de>
174 PR tree-optimization/27151
175 * tree-vect-transform.c (vectorizable_condition): Punt on
176 values that have a different type than the condition.
178 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
181 * c-parser.c (c_parser_cast_expression): Only insert casts into
182 hash table if pointer.
183 * function.c (used_types_insert_helper): Rename from
185 (used_types_insert): Call used_types_insert_helper.
186 * function.h (used_types_insert): Accept only one argument.
188 2006-05-05 David Edelsohn <edesohn@gnu.org>
190 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
191 scratch with output modifier.
193 2006-05-04 David Edelsohn <edelsohn@gnu.org>
196 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
197 with output modifier.
199 2006-05-04 Richard Sandiford <richard@codesourcery.com>
202 * config/mips/mips.c (mips_symbolic_address_p): Return true
203 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
204 SYMBOL_GOTTPREL, and SYMBOL_TLS.
206 2006-05-04 Richard Guenther <rguenther@suse.de>
208 PR tree-optimization/14287
209 PR tree-optimization/14844
210 PR tree-optimization/19792
211 PR tree-optimization/21608
212 PR tree-optimization/27090
213 * tree-ssa-pre.c (try_combine_conversion): New function.
214 (compute_avail): After constructing the value-handle
215 expression, use try_combine_conversion to combine NOP_EXPRs
216 with previous value-handle expressions and use the result if it
219 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
221 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
223 2006-05-04 Jan Hubicka <jh@suse.cz>
226 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
228 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
230 * config/bfin/predicates.md (const01_rtx): Tell generator programs
231 that this only matches CONST_INTs. All users changed to VOIDmode
234 * config/bfin/bfin.c: Include "optabs.h".
235 (bfin_rtx_costs): Some costs for vector operations, to allow combine
237 (enum bfin_builtins): Add a number of fractional and vector builtins.
238 (bfin_init_builtins): Likewise.
239 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
240 (safe_vector_operand, bfin_expand_binop_builtin,
241 bfin_expand_unop_builtin): New functions.
242 (bfin_expand_builtin): Handle the new builtins.
243 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
246 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
249 * Makefile.in (OBJS-common): Add see.o.
250 (see.o): Add dependencies.
251 * common.opt (fsee): New flag for the see optimization was added.
252 * opts.c (flag_see): Initialized.
253 * passes.c (init_optimization_passes, pass_see): New pass.
254 * rtl.h (see_main): Declaration as extern.
255 * timevar.def (TV_SEE): New.
256 * tree-pass.h (pass_see): Declaration as extern.
257 * invoke.texi (-fsee): Document.
258 * recog.c (validate_simplify_insn): New function.
259 * recog.h (validate_simplify_insn): Declaration as extern.
260 * df-problems.c (df_chain_dump): Check for NULL.
262 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
263 Daniel Berlin <dberlin@dberlin.org>
265 * cfgrtl.c (insert_insn_bb_end_new): New function.
266 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
268 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
270 * df.h (struct web_entry): Moved from web.c.
271 (union_defs): Declaration as extern.
272 (unionfind_root): Likewise.
273 (unionfind_union): Likewise.
274 * web.c (struct web_entry): Moved to df.h.
275 (unionfind_root): Remove static declaration.
276 (unionfind_union): Likewise.
277 (union_defs): Likewise and generalize to use callback function.
278 (web_main): Update arguments for union_defs function call.
280 2006-05-04 Richard Guenther <rguenther@suse.de>
282 PR tree-optimization/26447
283 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
284 produce SSA_NAME copies before the store stmt to avoid
285 breaking exception handling.
287 2006-05-04 Jakub Jelinek <jakub@redhat.com>
290 * gimplify.c (omp_is_private): If var is shared in some outer context,
291 return false instead of true. Stop searching on parallel context
294 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
297 * coverage.c: Use get_gcov_unsigned_t() instead of
298 unsigned_type_node all over.
300 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
302 PR tree-optimization/27381
303 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
304 maintain the same immediate_use links.
305 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
306 node rather than segfaulting.
308 2006-05-03 Jakub Jelinek <jakub@redhat.com>
311 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
312 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
313 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
315 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
317 Fix PR tree-optimization/26626
318 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
320 * tree-ssa-operands.c (access_can_touch_variable): Allow
321 typecasting through union pointers.
323 2006-05-02 Jakub Jelinek <jakub@redhat.com>
326 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
327 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
328 to find if var will be a global variable even in the nested context.
329 (omp_copy_decl): Only check for global variable at the end, it might
330 be overridden in outer contexts.
331 (scan_sharing_clauses): For global variables don't create a field.
332 (lower_rec_input_clauses): Do nothing for global shared variables.
333 Emit a barrier at the end of ILIST if there were any decls in both
334 firstprivate and lastprivate clauses.
335 (lower_send_clauses): Do nothing for global variables except for
338 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
340 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
341 of the correct signedness is returned.
343 2006-05-02 Jeff Law <law@redhat.com>
345 PR tree-optimization/27364
346 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
347 multiply expressions.
349 2006-05-02 Tom Tromey <tromey@redhat.com>
351 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
353 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
356 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
357 -mthumb -fPIC are used.
359 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
360 Joshua Kinard <kumba@gentoo.org>
363 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
364 with 64-bit pointers.
366 2006-05-02 Paul Brook <paul@codesourcery.com>
368 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
370 (create_fix_barrier): Check that a suitable barrier location is
372 (arm_reorg): Include ftmp->address in allowable range of addresses.
374 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
377 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
380 2006-05-02 Jakub Jelinek <jakub@redhat.com>
383 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
384 around RESULT_DECL for result passed by reference.
385 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
386 * omp-low.c (use_pointer_for_field): Don't look at
387 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
388 (scan_omp_1): Call remap_decl on RESULT_DECLs.
389 (lower_rec_input_clauses): Don't allocate VLA memory for the second
390 time or var for passing by reference for
391 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
392 TREE_ADDRESSABLE variables when passing by reference.
394 * omp-low.c (dump_omp_region): Fix output formatting.
397 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
398 (expand_omp_parallel): Likewise.
399 * tree-cfg.c (move_sese_region_to_fn): Likewise.
402 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
403 on statement list containing also constructors and destructors.
404 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
407 * except.c (duplicate_eh_regions): Fix clearing of
408 cfun->eh->region_array entries.
410 2006-05-01 DJ Delorie <dj@redhat.com>
412 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
414 (gcc_cv_objdump): Likewise.
415 * configure: Regenerated.
417 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
420 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
421 templates for case 3 and 4.
423 2006-05-01 DJ Delorie <dj@redhat.com>
425 * vec.c: Include bconfig.h when appropriate.
426 * Makefile.in (build/vec.o): Adjust dependencies.
427 * mkconfig.sh: Make sure config.h isn't used for build machine
430 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
432 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
434 (mark_phi_for_rewrite): New function.
435 (insert_phi_nodes_for, mark_use_interesting): Call
436 mark_phi_for_rewrite.
437 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
438 (update_ssa): Initialize and free phis_to_rewrite.
440 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
442 PR rtl-optimization/27291
443 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
444 folded to a constant.
446 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
448 PR tree-optimization/27283
449 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
450 not whole # of iteration descriptions.
451 (niter_for_exit): Return just # of iterations. Fail if # of iterations
452 uses abnormal ssa name.
453 (niter_for_single_dom_exit): Ditto.
454 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
455 return just the number of iterations.
457 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
459 PR tree-optimization/27144
460 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
461 (record_estimate): Only record constant upper bound.
462 (infer_loop_bounds_from_undefined): Call
463 compute_estimated_nb_iterations just once.
464 (proved_non_wrapping_p): Renamed to ...
465 (n_of_executions_at_most): ... this. Expect bound to be a constant.
466 (convert_step_widening, scev_probably_wraps_p): Call
467 n_of_executions_at_most instead of proved_non_wrapping_p.
468 (substitute_in_loop_info): Do not replace values in bounds.
469 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
472 2006-05-01 Richard Henderson <rth@redhat.com>
475 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
476 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
479 2006-05-01 Roger Sayle <roger@eyesopen.com>
481 * c-typeck.c (parser_build_binary_op): Don't call the function
482 unsigned_conversion_warning to spot operand/result type overflow.
483 (build_binary_op): Instead, call convert_and_check instead of
484 convert to report the problem when the operands are promoted.
485 * c-common.c (unsigned_conversion_warning): Make static.
486 * c-common.h (unsigned_conversion_warning): Delete prototype.
488 2006-05-01 Richard Guenther <rguenther@suse.de>
490 PR tree-optimization/26726
491 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
493 (find_interesting_uses_address): ... we work around here
494 by folding INDIRECT_REFs in the substituted base.
496 2006-05-01 Diego Novillo <dnovillo@redhat.com>
498 * omp-low.c (dump_omp_region): Add newlines.
500 2006-04-30 Roger Sayle <roger@eyesopen.com>
502 * common.opt (Woverflow): New command line option.
503 * c-common.c (constant_expression_warning): Check warn_overflow.
504 (overflow_waring): Pass OPT_Woverflow to warning.
505 (unsigned_conversion_warning): Likewise.
506 (convert_and_check): Likewise.
507 * doc/invoke.texi: Document new command line option.
509 2006-04-30 David Edelsohn <edelsohn@gnu.org>
511 * config/rs6000/rs6000.c (rs6000_override_options): Enable
512 TARGET_NO_FP_IN_TOC for section anchors.
513 (optimization_options): Enable section anchors for all
514 non-"Objective" languages.
516 2006-04-28 Eric Christopher <echristo@apple.com>
518 * config/darwin-c.c (darwin_ms_struct): Move this
519 (darwin_set_default_type_attributes): and this...
520 * config/darwin.c: ... here.
521 * config/darwin.h (darwin_ms_struct): Declare.
523 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
525 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
527 2006-04-28 Roger Sayle <roger@eyesopen.com>
530 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
531 (push_array_bounds): Delete prototype. Change BOUNDS argument to
532 an unsigned HOST_WIDE_INT.
533 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
535 (really_start_incremental_init): No need to call convert because
536 bitsize_zero_node is already of type bitsizetype.
537 (push_init_level): Extract the value of constructor_index as an
538 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
539 (process_init_element): Likewise.
541 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
543 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
544 value before passing to make_relative_prefix.
546 2006-04-28 Alan Modra <amodra@bigpond.net.au>
549 * builtins.c (expand_builtin_memset): Expand val in original mode.
551 2006-04-27 Eric Christopher <echristo@apple.com>
553 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
555 * config/darwin-c.c (darwin_ms_struct): New.
556 (darwin_pragma_ms_struct): Ditto.
557 (darwin_set_default_type_attributes): Ditto.
558 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
559 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
560 Register ms_struct pragma.
561 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
562 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
563 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
564 darwin_set_default_type_attributes if TARGET_MACHO.
566 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
568 PR tree-optimization/26854
569 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
570 * doc/tree-ssa.texi: Update immuse iterator documentation.
571 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
572 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
573 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
574 first_safe_imm_use, next_safe_imm_use): Remove.
575 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
576 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
577 (move_use_after_head): New. Helper function to sort immuses in a stmt.
578 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
579 (first_imm_use_stmt): New. Get first stmt in an immuse list.
580 (next_imm_use_stmt): New. Get next stmt in an immuse list.
581 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
582 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
583 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
584 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
585 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
586 (perfect_nestify): Use new iterator.
587 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
589 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
590 (next_imm_name): New field in struct immediate_use_iterator_d.
591 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
592 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
593 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
594 * tree-cfg.c (replace_uses_by): Use new iterator.
595 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
596 * tree-ssa-operands.c (correct_use_link): Remove.
597 (finalize_ssa_use_ops): No longer call correct_use_link.
599 2006-04-27 Stuart Hastings <stuart@apple.com>
601 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
602 * config/t-darwin (crt3.o): Use it.
603 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
604 'pmode', use Pmode instead of SImode for SYMBOL_REF.
605 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
606 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
607 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
610 2006-04-27 Roger Sayle <roger@eyesopen.com>
612 * expmed.c (store_fixed_bit_field): If we're not optimizing for
613 size, force the intermediate into a new pseudo rather instead of
614 performing both a bitwise AND and a bitwise IOR in memory.
616 2006-04-27 Richard Guenther <rguenther@suse.de>
618 PR rtl-optimization/26685
619 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
620 this one "max-flow-memory-locations".
622 2006-04-27 Richard Guenther <rguenther@suse.de>
624 PR tree-optimization/25148
625 * tree-vrp.c (compare_values): Remove code dealing with
626 comparisons against type min/max value. Honour overflow
627 and negative constants in code dealing with comparisons
628 of plus and minus expressions.
629 (value_inside_range): Use fold_binary with LE_EXPR and
630 GE_EXPR rather than compare_values.
632 2006-04-27 Dirk Mueller <dmueller@suse.de>
634 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
637 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
639 * basic-block.h (safe_insert_insn_on_edge): Removed.
640 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
642 2006-04-26 David Edelsohn <edelsohn@gnu.org>
643 Paolo Bonzini <bonzini@gnu.org>
646 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
647 (simplify_and_const_int): Same.
649 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
651 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
653 2006-04-26 Jakub Jelinek <jakub@redhat.com>
656 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
657 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
658 cgraph_global_info_ready.
661 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
664 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
665 either decl or init is error_mark_node.
668 * tree-flow.h (struct omp_region): Add sched_kind.
669 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
670 instead of extracting omp for data.
671 (expand_omp_for): Save extracted sched_kind.
673 2006-04-25 Roger Sayle <roger@eyesopen.com>
675 * expmed.c (store_bit_field): Also check whether the bitsize is
676 valid for the machine's "insv" instruction before moving the
677 target into a pseudo for use with the insv.
678 * config/i386/predicates.md (const8_operand): New predicate.
679 * config/i386/i386.md (extv, extzv, insv): Use the new
680 const8_operand predicate where appropriate.
682 2006-04-25 DJ Delorie <dj@redhat.com>
684 * doc/install.texi (Specific): Clarify that this is not a list of
685 supported hosts or targets.
687 2006-04-25 Richard Sandiford <richard@codesourcery.com>
689 PR rtl-optimization/26725
690 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
691 block's BB_DIRTY flag.
693 2006-04-25 Geoffrey Keating <geoffk@apple.com>
695 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
698 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
701 2006-04-25 David Edelsohn <edelsohn@gnu.org>
703 * varasm.c (align_variable): New function.
704 (get_block_for_decl): Apply align_variable to DECL before
705 calculating section information.
706 (assemble_variable): Split out alignment computation.
708 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
710 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
713 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
715 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
716 MODE_PARTIAL_INT mode.
717 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
718 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
720 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
721 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
723 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
725 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
727 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
728 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
729 MACFLAG_IH): Likewise.
730 (movstricthi_1): Renamed from "*movstricthi".
731 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
732 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
733 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
734 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
735 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
736 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
737 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
738 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
739 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
740 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
741 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
742 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
743 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
744 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
745 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
747 * doc/rtl.texi (ss_ashift): Improve wording.
749 2006-04-24 Geoffrey Keating <geoffk@apple.com>
751 * dwarf2out.c (verify_marks_clear): New.
752 (prune_unused_types): Call verify_marks_clear initially, not
755 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
757 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
758 * doc/rtl.texi: Document them.
759 * simplify-rtx.c (simplify_unary_operation,
760 simplify_binary_operation_1): Don't abort when we see them.
762 2006-04-24 Mark Mitchell <mark@codesourcery.com>
765 2006-04-23 Mark Mitchell <mark@codesourcery.com>
766 * configure.ac: Completely disregard languages that are not
768 * configure: Regenerated.
770 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
771 Richard Guenther <rguenther@suse.de>
773 PR tree-optimization/27236
774 * tree-inline.c (copy_body_r): Make sure to copy
775 TREE_THIS_VOLATILE flag.
777 2006-04-24 Richard Guenther <rguenther@suse.de>
780 * tree-complex.c (update_parameter_components): Don't handle
781 unused parameters which have no default def.
783 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
784 Richard Guenther <rguenther@suse.de>
786 PR tree-optimization/27218
787 * tree-inline.c (expand_call_inline): Strip useless type
788 conversions for the return slot address.
790 2006-04-24 Richard Guenther <rguenther@suse.de>
792 * cfgloop.h (struct loops): Remove unused field array. Reorder
794 (LOOP_PREFETCH): Remove.
796 2006-04-24 Richard Guenther <rguenther@suse.de>
798 PR tree-optimization/22525
799 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
800 variable, adjust types of generated expressions.
802 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
804 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
805 (tree-vect-patterns.o): Likewise.
807 (cselib.o): Likewise.
808 (loop-doloop.o): Likewise.
809 (regclass.o): Likewise.
810 (reload1.o): Likewise.
811 (explow.o): Replace target.h with $(TARGET_H).
812 (ipa-prop.o): Likewise.
813 (ipa-cp.o): Likewise.
814 (ipa-inline.o): Likewise.
816 (reg-stack.o): Likewise.
818 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
820 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
822 2006-04-23 Mark Mitchell <mark@codesourcery.com>
824 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
826 * configure.ac: Completely disregard languages that are not
828 * configure: Regenerated.
831 * c-common.h (c_build_bitfield_integer_type): Declare.
832 * c-decl.c (c_build_bitfield_integer_type): Move to ...
833 * c-common.c (c_build_bitfield_integer_type): ... here.
835 2006-04-23 Roger Sayle <roger@eyesopen.com>
838 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
839 a SImode SUBREG of a floating point register after no_new_pseudos.
841 2006-04-23 Roger Sayle <roger@eyesopen.com>
843 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
844 identify potentially eliminable registers to additionally catch
845 VIRTUAL_INCOMING_ARGS_REGNUM.
846 (addsi3): Update the conditions on when to use addsi_small_int.
848 2006-04-23 Roger Sayle <roger@eyesopen.com>
851 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
852 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
853 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
855 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
857 * fold-const.c (range_predecessor): Use operand_equal_p
858 as the predicate for equality.
859 (range_successor): Likewise.
861 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
864 * config/soft-fp/op-common.h: Fix a typo.
866 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
869 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
870 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
872 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
874 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
876 * doc/tm.texi: Fix a typo.
878 2006-04-21 Geoffrey Keating <geoffk@apple.com>
880 * dwarf2out.c (struct die_struct): Document that die_sib makes
881 a circular linked list.
882 (FOR_EACH_CHILD): New.
883 (reverse_die_lists): Delete.
884 (reverse_all_dies): Delete.
885 (add_dwarf_attr): Correct documentation.
886 (remove_child_with_prev): New.
887 (remove_child_TAG): Update for change to die_struct, use
888 remove_child_with_prev.
889 (add_child_die): Update for change to die_struct.
890 (splice_child_die): Use remove_child_with_prev and add_child_die.
891 (print_die): Use FOR_EACH_CHILD.
892 (die_checksum): Likewise.
893 (assign_symbol_names): Likewise.
894 (output_location_lists): Likewise.
895 (build_abbrev_table): Likewise.
896 (calc_die_sizes): Likewise.
897 (mark_dies): Likewise.
898 (unmark_dies): Likewise.
899 (unmark_all_dies): Likewise.
900 (output_die): Likewise.
901 (prune_unused_types_mark): Likewise.
902 (prune_unused_types_walk): Likewise.
903 (same_die_p): Update for change to die_struct.
904 (break_out_includes): Likewise.
905 (prune_unused_types_prune): Likewise.
906 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
907 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
909 (dwarf2out_finish): Don't call reverse_all_dies.
911 2006-04-21 Eric Christopher <echristo@apple.com>
913 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
914 in comments and function names.
916 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
919 * c-typeck.c (digest_init): Robustify.
921 * c-typeck.c (pop_init_level): Simplify.
923 2006-04-21 Steve Ellcey <sje@cup.hp.com>
925 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
927 2006-04-21 Paul Brook <paul@codesourcery.com>
929 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
930 hardware floating point.
932 2006-04-21 David Edelsohn <edelsohn@gnu.org>
934 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
937 2006-04-21 Nick Clifton <nickc@redhat.com>
939 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
942 2006-04-21 Alan Modra <amodra@bigpond.net.au>
945 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
946 C++ lang type in traceback table for Objective-C++.
948 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
950 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
952 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
954 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
957 * tree-mudflap.c (mudflap_finish_file): Skip function when there
958 were errors. Remove check for erroneous objects.
960 2006-04-20 Jeff Law <law@redhat.com>
962 PR tree-optimization/26854
963 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
964 checking for zero or one use.
965 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
966 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
967 * tree-ssa-reassoc.c (negate_value): Similarly.
968 (reassociate_bb): Similarly.
970 2006-04-20 Jakub Jelinek <jakub@redhat.com>
972 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
973 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
974 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
976 2006-04-20 Alan Modra <amodra@bigpond.net.au>
978 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
979 fp regs if the last fp arg doesn't fit in regs.
981 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
984 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
985 that the last insn has the REG_INC note.
987 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
988 Nathan Sidwell <nathan@codesourcery.com>
991 * stor-layout.c (update_alignment_for_field): Do not align
993 (place_union_field): Place union field at the start of the union.
994 (place_field): Move ERROR_MARK check later, and use the current
995 allocation position to maintain monotonicity.
997 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
999 * dominance.c: Include timevar.h.
1000 (calculate_dominance_info): Use TV_DOMINANCE.
1001 * timevar.def (TV_DOMINANCE): New timevar.
1002 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1004 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1006 PR rtl-optimization/14261
1007 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1008 move would be an INSV insn.
1009 (noce_process_if_block): Don't optimize if the destination is a
1010 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1012 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1014 * config/s390/s390.md: Add comments with the instructions emitted
1015 by an insn pattern if macros are used.
1017 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1019 PR rtl-optimization/26026
1020 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1021 is a known power of two shifted left a variable amount.
1023 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1025 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1026 to hash table twice when the debug_str section has SECTION_MERGE.
1028 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1030 * config/soft-fp: New directory. From glibc.
1031 * config/soft-fp/t-softfp: New.
1032 * config/soft-fp/README: New.
1033 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1034 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1035 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1036 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1037 * config.gcc: Use rs6000/t-fprules-fpbit or
1038 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1040 * config/rs6000/sfp-machine.h: New. Based on glibc.
1041 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1043 * config/rs6000/t-fprules: Remove fp-bit rules.
1044 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1045 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1046 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1047 (softfp_wrap_start, softfp_wrap_end): New.
1049 2006-04-18 DJ Delorie <dj@redhat.com>
1051 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1053 2006-04-18 Devang Patel <dpatel@apple.com>
1055 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1057 2006-04-18 Nick Clifton <nickc@redhat.com>
1059 * config/sh/t-symbian: Add rule to build sh-c.o
1060 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1061 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1062 (sh_symbian_encode_section_info): Likewise.
1064 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1066 * builtins.c (expand_builtin_strcmp): Cover label definition of
1067 do_libcall with HAVE_cmpstrnsi.
1069 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1071 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1073 * function.h (temp_slot_p): New.
1074 (function): Change the type of x_used_temp_slots to
1075 VEC(temp_slot_p,gc) *.
1077 2006-04-18 Nick Clifton <nickc@redhat.com>
1079 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1080 flag_strength_reduce.
1082 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1084 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1088 Partial revert of revision 112637
1089 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1090 Dale Johannesen <dalej@apple.com>
1093 * regclass.c (struct reg_pref): Update documentation.
1094 (regclass): Set prefclass to NO_REGS if memory is the best option.
1095 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1097 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1099 PR tree-optimization/26821
1100 * tree-ssa-math-opts.c (get_constant_one): New.
1101 (insert_reciprocals): Use it.
1103 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1105 * dwarf2out.c (free_AT): Delete.
1106 (remove_AT): Update string ref counts.
1107 (remove_child_TAG): Don't call free_die.
1109 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1110 or DW_TAG_GNU_EINCL.
1111 (prune_unused_types_walk_attribs): Reset string refcounts.
1112 (prune_unused_types_update_strings): New.
1113 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1114 call free_die. Do call prune_unused_types_update_strings.
1115 (prune_unused_types): Empty debug_str_hash.
1117 2006-04-17 Roger Sayle <roger@eyesopen.com>
1119 * expr.c (expand_assignment): Optimize away no-op moves where the
1120 source and destination are equal and have no side-effects.
1122 2006-04-17 Richard Guenther <rguenther@suse.de>
1125 * reload.c (push_reload): Guard calls to get_secondary_mem
1128 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1130 * alias.c (reg_base_value, old_reg_base_value): Change the
1131 type to VEC(rtx,gc) *.
1132 (REG_BASE_VALUE, find_base_value, record_set,
1133 init_alias_analysis): Use VEC instead of VARRAY.
1135 * alias.c (alias_sets): Change the type to
1136 VEC(alias_set_entry,gc) *.
1137 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1138 VEC instead of VARRAY.
1139 (last_alias_set): Remove.
1141 * cgraph.h (cgraph_edge_p): New.
1142 Update the prototype of cgraph_function_versioning.
1143 * cgraphunit.c (cgraph_copy_node_for_versioning,
1144 cgraph_function_versioning): Use VEC instead of VARRAY.
1145 * ipa-cp.c (ipcp_insert_stage): Likewise.
1147 2006-04-16 Roger Sayle <roger@eyesopen.com>
1150 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1151 "A op B" or "A op C", we may need to convert A to the type of B and C.
1153 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1155 * target.h (struct gcc_target): Add mode_rep_extended.
1156 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1157 (init_num_sign_bit_copies_in_rep): Initialize it using
1159 (truncate_to_mode): Use it.
1160 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1161 * targhooks.h (default_mode_rep_extended): Declare it.
1162 * targhooks.c (default_mode_rep_extended): Define it.
1163 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1164 default_mode_rep_extended.
1165 (TARGET_INITIALIZER): Include it.
1166 * doc/tm.texi (Misc): Document it.
1167 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1168 (mips_truncated_to_mode): New function.
1170 2006-04-16 Roger Sayle <roger@eyesopen.com>
1173 * expr.c (compress_float_constant): Copy the narrow constant into
1174 a new pseudo before extending it to its final width.
1176 2006-04-16 Roger Sayle <roger@eyesopen.com>
1177 Andrew Pinski <pinskia@gcc.gnu.org>
1178 Dale Johannesen <dalej@apple.com>
1181 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1182 special case code to implement V8HImode and V16QImode with SSE2.
1184 2006-04-15 Roger Sayle <roger@eyesopen.com>
1186 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1187 trees are constructed with a suitable tree type.
1189 2006-04-15 Roger Sayle <roger@eyesopen.com>
1191 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1192 (integer_onep): Likewise.
1193 (integer_all_onesp): Likewise.
1194 (integer_pow2p): Likewise.
1195 (integer_nonzerop): Likewise.
1196 (real_zerop): Likewise.
1197 (real_onep): Likewise.
1198 (real_twop): Likewise.
1199 (real_minus_onep): Likewise.
1200 (int_size_in_bytes): Likewise.
1201 (host_integerp): Likewise.
1203 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1205 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1206 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1207 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1209 * tree-ssa-structalias.h (alias_info): Remove num_references.
1211 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1213 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1214 (output_bvb patterns): Likewise.
1215 * pa.c (output_bb): Use 'bb' insn for long branch case.
1216 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1217 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1218 1. Correct length operand for alternatives 1 and 2.
1219 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1220 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1222 2006-04-14 Roger Sayle <roger@eyesopen.com>
1224 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1225 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1226 were accidentally reverted by r112959.
1228 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1231 * except.h (eh_region_outermost): New prototype.
1232 * except.c (eh_region_outermost): New function.
1233 * tree-cfg.c (find_outermost_region_in_block): Use it.
1235 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1237 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1239 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1240 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1241 (init_reload, reload): Use VEC instead of VARRAY.
1242 * reload.h: Update the prototype for
1243 reg_equiv_memory_loc_varray.
1245 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1246 Eric Botcazou <ebotcazou@libertysurf.fr>
1248 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1251 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1254 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1255 to expand fallback builtin function call.
1257 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1260 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1261 and emit libcall here in case the builtin fails.
1262 (expand_builtin_strcmp): Always emit the libcall here on failure.
1264 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1266 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1267 * flow.c (reg_n_info): Change the type to
1268 VEC(reg_info_p,heap) *.
1269 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1271 * regs.h (reg_info_p): New.
1272 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1273 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1274 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1277 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1279 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1281 * params.h (MAX_SCHED_READY_INSNS): New macro.
1282 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1283 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1284 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1285 the ready list for 1 cycle during the first scheduling pass.
1286 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1288 2006-04-13 Richard Henderson <rth@redhat.com>
1291 * gimple-low.c (lower_omp_directive): Remove dead code.
1292 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1293 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1294 * omp-low.c (struct omp_region): Move to tree-flow.h.
1295 (root_omp_region): Export.
1296 (omp_regions, lookup_omp_region): Remove.
1297 (determine_parallel_type): Update for struct omp_region changes.
1298 (dump_omp_region): Dump regions with block numbers.
1299 (new_omp_region): Take type and block instead of stmt; malloc
1301 (free_omp_region_1, free_omp_regions): New.
1302 (expand_parallel_call): Take entry_stmt as argument; update for
1303 changes to omp_region.
1304 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1305 (remove_exit_barriers): New.
1306 (expand_omp_parallel): Update for struct omp_region changes.
1307 (expand_omp_synch): Likewise.
1308 (expand_omp): Likewise.
1309 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1310 (expand_omp_for_static_chunk): Likewise.
1311 (expand_omp_for): Likewise.
1312 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1313 (expand_omp_sections): Similarly, with GOMP_sections_end.
1314 (expand_omp_single): New.
1315 (build_omp_regions_1): Update for OMP_CONTINUE.
1316 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1317 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1318 OMP_SECTIONS_SECTIONS.
1319 (lower_omp_single_simple): Don't emit barrier here.
1320 (lower_omp_single_copy): Likewise.
1321 (lower_omp_single): Fix bindings, and lower to straightline now.
1322 (lower_omp_master, lower_omp_ordered): Likewise.
1323 (lower_omp_critical): Likewise.
1324 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1325 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1326 omp edges, free it afterward.
1327 (make_omp_sections_edges): Remove.
1328 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1329 (move_stmt_r): Handle OMP_CONTINUE.
1330 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1331 statement pointers to basic blocks. Add type member.
1332 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1333 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1334 * tree-inline.c (estimate_num_insns_1): Likewise.
1335 * tree-pretty-print.c (dump_generic_node): Likewise.
1336 * tree-ssa-operands.c (get_expr_operands): Likewise.
1337 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1338 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1339 (OMP_CONTINUE): New.
1340 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1341 (OMP_SECTIONS_SECTIONS): Remove.
1342 (OMP_SECTION_LAST): New.
1343 (OMP_RETURN_NOWAIT): New.
1345 2006-04-13 Roger Sayle <roger@eyesopen.com>
1347 * fold-const.c (native_encode_vector, native_interpret_real):
1348 Correct obvious mistakes in the previous check-in.
1350 2006-04-13 Roger Sayle <roger@eyesopen.com>
1352 * fold-const.c (native_encode_expr): New function to encode
1353 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1354 or VECTOR_CST into a specified buffer.
1355 (native_encode_int): New function.
1356 (native_encode_real): New function.
1357 (native_encode_complex): New function.
1358 (native_encode_vector): New function.
1359 (native_interpret_expr): Inverse of native_encode_expr to convert
1360 a target representation into an INTEGER_CST, REAL_CST etc...
1361 (native_interpret_int): New function.
1362 (native_interpret_real): New function.
1363 (native_interpret_complex): New function.
1364 (native_interpret_vector): New function.
1365 (fold_view_convert_expr): New function to constant fold/evaluate
1366 a VIEW_CONVERT_EXPR of a suitable constant expression.
1367 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1368 Change call of build1 to fold_build1 when constructing a
1371 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1372 Ulrich Weigand <uweigand@de.ibm.com>
1375 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1378 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1381 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1382 optimize to lo_sum for DFmode if !TARGET_FPRS.
1384 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1386 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1387 delete_alias_info, compute_flow_sensitive_aliasing,
1388 group_aliases): Use VEC instead of VARRAY.
1389 * tree-ssa-structalias.c (update_alias_info): Likewise.
1390 * tree-ssa-structalias.h (alias_info): Change the type of
1391 processed_ptrs to VEC(tree,heap) *.
1393 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1396 * config/sh/lib1funcs.h: New file, broken out of:
1397 * config/sh/lib1funcs.asm.
1398 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1400 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1401 * config/sh/lib1funcs-Os-4-200.asm: New file.
1402 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1403 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1404 (EXTRA_MULTILIB_PARTS): Include it.
1405 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1406 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1407 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1408 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1411 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1413 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1414 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1415 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1417 * tree-ssa-live.h: Include vecprim.h.
1418 (tree_partition_associator_d): Change the type of
1419 first_partition to VEC(int,heap) *.
1420 (tpa_first_partition): Use VEC instead of VARRAY.
1422 * Makefile.in (GTFILES): Move functions.h after tree.h.
1423 * function.c (reset_block_changes, record_block_change,
1424 check_block_change, free_block_changes): Use VEC instead of
1426 * function.h (function): Change the type of
1427 ib_boundaries_block to VEC(tree,gc) *.
1428 * tree-inline.c (copy_cfg_body): Initialize
1429 ib_boundaries_block to NULL instead of (varray_type) 0.
1431 2006-04-12 Roger Sayle <roger@eyesopen.com>
1433 * expr.c (emit_group_store): Correct operand order in call to
1434 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1435 a SUBREG_BYTE of zero.
1437 2006-04-12 Richard Guenther <rguenther@suse.de>
1439 * profile.c (compute_branch_probabilities): Remove code
1440 encapsulated in !ir_type (), which are remanents of the
1441 removed RTL profiling code.
1442 * rtl-profile.c: Remove.
1444 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1446 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1447 magic NULL_RTX comment.
1448 (function_arg): Store entire fp arg to mem if any part should go
1450 (rs6000_arg_partial_bytes): Adjust for above change.
1452 2006-04-11 Roger Sayle <roger@eyesopen.com>
1454 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1455 if it hasn't been initialized by dwarf2out_init.
1457 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1459 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1460 symbolic constants in branch patterns.
1462 2006-04-11 Roger Sayle <roger@eyesopen.com>
1464 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1466 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1468 PR rtl-optimization/27073
1469 * gcse.c (try_replace_reg): Revert last change. Continue to search
1470 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1473 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1475 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1476 aggregate types other than record and union types.
1477 (function_arg): Likewise.
1478 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1480 (function_value): In 64-bit mode, return objects that require it
1483 2006-04-11 Roger Sayle <roger@eyesopen.com>
1485 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1487 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1489 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1491 2006-04-03 Jeff Law <law@redhat.com>
1494 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1495 alias information too.
1497 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1499 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1501 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1504 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1505 (premark_used_types_helper): New.
1506 (premark_used_types): New.
1507 (gen_subprogram_die): Call premark_used_types.
1508 (prune_unused_types_walk): Do not prune perennial dies.
1509 * function.c (used_types_insert): New.
1510 * function.h (struct function): Add used_types_hash field.
1511 (used_types_insert): Add prototype.
1512 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1513 * c-parser.c (c_parser_cast_expression): Save casted types in used
1516 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1519 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1520 rs6000_explicit_options.float_gprs.
1522 2006-04-10 Roger Sayle <roger@eyesopen.com>
1524 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1525 from ix86_expand_vector_init_low_nonzero. Take an additional
1526 one_var argument indicating which element is non-zero. Support
1527 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1528 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1529 with one_var instead of ix86_expand_vector_init_low_nonzero.
1531 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1533 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1534 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1535 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1536 build/genextract.o): Depend on vecprim.h.
1537 * cfglayout.c, df-problems.c, function.c, genextract.c,
1538 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1539 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1543 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1545 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1546 Declare VECs of this type.
1547 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1548 (remove_children): Delete.
1549 (add_dwarf_attr): Use VEC routines.
1550 (add_AT_flag): Update for changes to add_dwarf_attr.
1551 (add_AT_int): Likewise.
1552 (add_AT_unsigned): Likewise.
1553 (add_AT_long_long): Likewise.
1554 (add_AT_vec): Likewise.
1555 (add_AT_string): Likewise.
1556 (add_AT_die_ref): Likewise.
1557 (add_AT_fde_ref): Likewise.
1558 (add_AT_loc): Likewise.
1559 (add_AT_loc_list): Likewise.
1560 (add_AT_addr): Likewise.
1561 (add_AT_lbl_id): Likewise.
1562 (add_AT_lineptr): Likewise.
1563 (add_AT_macptr): Likewise.
1564 (add_AT_offset): Likewise.
1565 (add_AT_range_list): Likewise.
1566 (get_AT): Use VEC_iterate.
1567 (remove_AT): Use VEC_ordered_remove.
1568 (free_die): Fold remove_children into here; have it use VEC_iterate.
1569 (print_die): Use VEC_iterate on attrs.
1570 (reverse_die_lists): Don't reverse attr lists.
1571 (die_checksum): Use VEC_iterate on attrs.
1572 (same_die_p): Likewise.
1573 (output_location_lists): Likewise.
1574 (build_abbrev_table): Likewise.
1575 (size_of_die): Likewise.
1576 (unmark_all_dies): Likewise.
1577 (output_abbrev_section): Likewise.
1578 (output_die): Likewise.
1579 (prune_unused_types_walk_attribs): Likewise.
1581 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1583 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1585 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1588 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1590 2006-04-09 Roger Sayle <roger@eyesopen.com>
1592 * expr.c (store_constructor): Don't bother clearing target if
1593 we're about to assign a vector to it using vec_init_optab.
1595 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1597 * tree-ssa-alias.c (lhs_may_store_to): New function.
1598 (recalculate_used_alone): Handle LHS of calls.
1600 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1604 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1605 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1606 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1607 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1608 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1609 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1610 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1611 stubs. Add ".align 8" directives before all ".dword" directives.
1612 (GTHREAD_USE_WEAK): Revise comment.
1613 (TARGET_ATTRIBUTE_WEAK): Define.
1614 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1615 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1616 * stublib.c: New file.
1621 * pa.md (cbranch patterns): Revise arguments used in calls to
1622 output_cbranch, output_bb and output_bvd. Add long branch length
1624 (fbranch patterns): Handle long branches.
1625 (jump): Revise length check. Revise arguments for output_lbranch call.
1626 Add long branch length attributes.
1627 (decrement_and_branch_until_zero): Add long branch length attributes.
1628 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1629 Likewise. Revise arguments for output_parallel_addb and
1630 output_parallel_movb calls.
1631 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1632 output_parallel_movb and output_parallel_addb): Update prototypes.
1633 * pa.c (output_cbranch): Revise arguments. Correct handling of
1634 nullification in long branches.
1635 (output_lbranch): Add new argument to control extraction of delay
1637 (output_bb): Handle long branches.
1638 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1639 output_parallel_addb): Likewise.
1641 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1643 PR rtl-optimization/27073
1644 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1647 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1649 * tree.h (tree_memory_tag): Add old_used_alone.
1650 (SMT_OLD_USED_ALONE): New macro.
1651 * tree-ssa-alias.c (recalculate_used_alone): Stop
1652 marking things for renaming unnecessarily.
1654 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1656 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1657 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1658 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1659 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1660 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1661 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1662 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1663 spelling convensions.
1664 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1665 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1666 typos. Follow spelling conventions.
1668 2006-04-07 DJ Delorie <dj@redhat.com>
1670 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1671 passed on the stack.
1672 (m32c_init_cumulative_args): When a function returns a structure,
1673 always pass the pointer to that return area on the stack.
1674 (m32c_function_arg_advance): Don't increment the parameter number
1675 if we're processing the returned structure pointer.
1676 (pushm_info): Reverse order of registers.
1678 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1680 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1681 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1682 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1683 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1685 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1686 chrec_fold_multiply): Same.
1687 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1688 force_expr_to_var_cost): Same.
1689 * tree-mudflap.c (mf_xform_derefs_1): Same.
1690 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1692 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1694 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1695 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1698 2006-04-07 Jan Hubicka <jh@suse.cz>
1700 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1702 2006-04-07 Richard Guenther <rguenther@suse.de>
1704 PR tree-optimization/26135
1705 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1706 loads for store copy-prop.
1707 (copy_prop_visit_stmt): Likewise.
1709 2006-04-05 Robert Millan <robertmh@gnu.org>
1711 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1712 being overriden in config/k*bsd-gnu.h.
1713 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1715 * gcc/config/knetbsd-gnu.h: Ditto.
1717 2006-04-06 Jan Hubicka <jh@suse.cz>
1721 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1724 2006-04-06 Mike Stump <mrs@apple.com>
1726 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1727 for HAVE_nonlocal_goto to be consistent.
1728 (expand_builtin_nonlocal_goto): Likewise.
1729 (expand_builtin_strcmp): Use #ifdef instead of #if
1730 for HAVE_cmpstrnsi to be consistent.
1732 2006-04-05 DJ Delorie <dj@redhat.com>
1734 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1737 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1739 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1740 got-relative addressing for anything but SImode.
1742 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1743 even if the calling function doesn't modify them.
1745 2006-04-05 Richard Guenther <rguenther@suse.de>
1747 PR tree-optimization/26919
1748 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1749 to cgraph_estimate_size_after_inlining.
1751 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1753 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1755 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1757 PR tree-optimization/26996
1758 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1759 VECTOR_TYPE variables.
1761 2006-04-05 Richard Guenther <rguenther@suse.de>
1763 PR tree-optimization/26763
1764 * fold-const.c (fold_comparison): Move folding of
1765 PTR + CST CMP PTR + CST ...
1766 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1768 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1770 * doc/install.texi (Prerequisites): Refine some wording on
1771 bootstrapping and ksh.
1772 Move the version numbers of DejaGnu here from the testing section
1773 and fix casing of names.
1774 Fix markup and clarify wording for autogen requirements.
1775 Refer to GCJ instead of just java.
1776 Refer to SVN instead of CVS.
1777 Describe diffutils as useful instead of necessary.
1778 (Downloading the source): Refer to SVN instead of CVS.
1779 Adjust a link to our web site accordingly.
1780 (Configuration): Fix casing of Bison.
1781 (Building): Refer to SVN instead of CVS.
1782 Fix a sentence on the use of Bison and remove duplicate (and
1783 incorrect) version number of Bison requirement.
1784 Remove one redundant list of packages needed for building.
1785 (Specific): Avoid reference to CVS.
1787 2006-04-04 Eric Christopher <echristo@apple.com>
1789 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1790 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1791 (rs6000_handle_struct_attribute): New.
1792 (rs6000_ms_bitfield_layout_p): Ditto.
1794 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1796 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1797 NULL for dso parameter to atexit_common.
1799 2006-04-04 Eric Christopher <echristo@apple.com>
1801 * config/i386/i386.c (machopic_output_stub): Output \t
1802 between instructions and operands.
1804 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1806 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1807 satisfies_constraint_[IL] to explicit tests on value.
1809 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1811 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1812 set_nb_iterations_in_loop): Use build_int_cst instead of
1814 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1815 build_int_cst instead of convert.
1817 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1819 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1820 new value 2 for incoming.
1821 * function.c (expand_function_start): Call struct_value_rtx
1823 * config/sparc/sparc.md: Comment updated_return.
1824 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1825 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1826 struct return if sparc_std_struct_return and incoming is 2.
1827 (print_operand): Do not adjust return if
1828 sparc_std_struct_return.
1830 2006-04-04 Roger Sayle <roger@eyesopen.com>
1832 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1833 convert in the middle-end.
1834 * expr.c (store_expr, store_constructor, get_inner_reference,
1835 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1837 * tree.c (build_range_type): Likewise.
1839 2006-04-04 Tom Tromey <tromey@redhat.com>
1841 * doc/install.texi (Prerequisites): Mention jar.
1843 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1845 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1848 2006-04-04 Matthias Klose <doko@debian.org>
1850 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1851 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1854 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1856 * doc/extend.texi (Function Attributes): Rewrite visibility
1857 attribute documentation.
1858 * doc/invoke.texi (C++ Dialect Options): Rewrite
1859 -fvisibility-inlines-hidden documentation to describe something
1860 entirely different, although in practise compatible.
1861 (Code Gen Options): Warn about system headers in -fvisibiltity=
1864 * doc/extend.texi (Other Builtins): Document that
1865 __builtin_nan is a compile-time constant only when its argument
1868 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1870 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1871 trying to remove TRUNCATE check if all bits outside the new mode
1872 are identical to the sign bit.
1874 2006-04-03 Jeff Law <law@redhat.com>
1876 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1877 and operand scanning in some common cases.
1879 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1880 Dale Johannesen <dalej@apple.com>
1883 * regclass.c (struct reg_pref): Update documentation.
1884 (regclass): Set prefclass to NO_REGS if memory is the best option.
1885 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1886 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1887 into account. For non-registers, equate an empty preferred
1888 reload class to a `!' in the constraint; move the if clause to
1889 do so after those that reject the insn.
1890 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1892 (find_dummy_reload): Likewise.
1893 * doc/tm.texi (Register Classes): Document what it means
1894 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1895 * config/i386/i386.c (ix86_preferred_reload_class): Force
1896 using SSE registers (and return NO_REGS for floating-point
1897 constants) if math is done with SSE.
1898 (ix86_preferred_output_reload_class): New.
1899 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1900 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1901 * config/i386/i386.md: Remove # register preferences.
1903 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1906 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1907 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1908 the type of nb_iter.
1909 (instantiate_parameters_1): Convert the operands before calling
1910 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1911 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1913 2006-04-02 Roger Sayle <roger@eyesopen.com>
1915 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1916 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1918 * dojump.c (do_jump): Likewise.
1919 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1920 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1921 gimplify_boolean_expr): Likewise.
1922 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1923 * varasm.c (array_size_for_constructor): Likewise.
1924 * tree-object-size.c (compute_object_offset): Likewise.
1926 2006-04-02 Roger Sayle <roger@eyesopen.com>
1929 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1930 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1932 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1934 PR tree-optimization/26939
1935 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1937 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1939 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1940 at_stmt. Convert the type of operands before calling
1941 build_polynomial_chrec.
1942 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1944 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1945 (instantiate_parameters_1): Convert the type of operands before calling
1946 build_polynomial_chrec.
1947 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1948 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1949 reset_evolution_in_loop): Insert asserts to check the types of the
1951 (chrec_type): Moved...
1952 (eq_evolutions_p): Use operand_equal_p.
1953 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1954 the types of the operands.
1955 (chrec_type): ...here.
1956 * tree-data-ref.c (create_data_ref): Convert the operands before
1957 calling chrec_replace_initial_condition.
1958 (same_access_functions, analyze_subscript_affine_affine,
1959 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1960 (compute_subscript_distance, analyze_ziv_subscript,
1961 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1962 analyze_miv_subscript): Convert the operands before calling
1963 chrec_fold_minus or chrec_fold_plus.
1965 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1967 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1968 the dependence_relations vector.
1969 (compute_data_dependences_for_loop): Adjust call to
1970 compute_all_dependences.
1972 2006-04-01 Roger Sayle <roger@eyesopen.com>
1973 Richard Henderson <rth@redhat.com>
1975 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1976 gimple_boolify on the condition before calling gimplify_expr.
1978 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1980 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1981 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1982 the frame size. Update to use the new macros.
1983 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1984 * config/xtensa/ieee754-df.S: Likewise.
1986 2006-03-31 Richard Henderson <rth@redhat.com>
1988 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1989 (make_edges): ... here. Control fallthru creation with a local
1990 variable. Do not play with fake edges.
1991 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1992 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1995 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1997 * dwarf2.h (DW64_CIE_ID): Define.
1998 * dwarf2out.c (DWARF_CIE_ID): Define.
1999 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2000 length header. Use DWARF_CIE_ID.
2001 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2002 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2004 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2006 * config/sh/linux-atomic.asm: New file.
2007 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2009 2006-03-31 DJ Delorie <dj@redhat.com>
2011 * config/m32c/cond.md: Set condition flags properly throughout.
2012 * config/m32c/minmax.md: Likewise.
2013 * config/m32c/prologue.md: Likewise.
2014 * config/m32c/bitops.md: Likewise.
2015 * config/m32c/muldiv.md: Likewise.
2016 * config/m32c/mov.md: Likewise.
2017 * config/m32c/addsub.md: Likewise.
2018 * config/m32c/m32c.md: Likewise.
2019 * config/m32c/jump.md: Likewise.
2020 * config/m32c/shift.md: Likewise.
2022 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2023 conditionally output the pattern for this.
2024 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2025 (m32c_compare_redundant): New.
2026 (m32c_output_compare): New.
2027 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2029 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2030 dest, not src. Allow other 4-byte modes.
2032 2006-03-30 Denis Chertykov <denisc@overta.ru>
2034 * doc/md.texi: Refer to avr/constraints.md instead of
2037 2006-03-30 Roger Sayle <roger@eyesopen.com>
2039 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2040 signed vs. unsigned comparison failures on some hosts.
2042 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2045 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2046 change to FLOAT_REGS.
2048 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2049 (rs6000_override_options): Use it.
2050 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2051 only for -mabi=spe/no-spe and -mabi=altivec.
2053 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2055 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2058 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2060 * Makefile.in: Rename docdir to gcc_docdir.
2062 2006-03-30 Roger Sayle <roger@eyesopen.com>
2065 * expr.c (emit_group_store): Optimize group stores into a pseudo
2066 register by using a paradoxical subreg to initialize the destination
2067 if the first or last member of the group specifies a "low part".
2069 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2072 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2073 * target.h (struct gcc_target.speculate_insn): Change type of the
2074 second parameter to 'int'.
2075 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2076 the second operand of the DEPS_LIST.
2077 (copy_DEPS_LIST_list): Update reference to the second operand of the
2079 * rtl.h (alloc_DEPS_LIST): Update signature.
2080 * sched-int.h (ds_t): Change typedef to 'int'.
2081 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2083 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2085 * haifa-sched.c (try_ready): Change condition to restore
2086 non-speculative pattern of the instruction.
2087 (process_insn_depend_be_in_spec): Code to keep probability of the
2088 speculative dependence non-decreasing.
2090 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2092 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2093 (single_move_for_movmem): ... this. Also change all uses.
2094 (bfin_expand_strmov): Renamed to...
2095 (bfin_expand_movmem): ... this. Also change all uses.
2096 * config/bfin/bfin.md (movstrsi): Renamed to...
2097 (movstrsi): ...this.
2099 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2101 PR tree-optimization/26830
2103 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2104 (copy_prop_visit_stmt): Remove write-only variable ann.
2105 (init_copy_prop): Check variable loop depth here. Do not simulate
2106 memory-tag and virtual operand PHIs except for store copy prop.
2108 2006-03-30 Richard Guenther <rguenther@suse.de>
2110 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2111 variants with double arguments.
2113 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2115 * genpreds.c (write_tm_constrs_h): Delete variable p.
2116 * genconditions.c (write_header): Add tm-constrs.h to included
2118 * genpeep.c (main): Add toplev.h to included headers.
2119 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2120 (build/genpeep.o): Add toplev.h dependency.
2121 * config/rs6000/constraints.md: Add "W" constraint.
2123 2006-03-29 Roger Sayle <roger@eyesopen.com>
2125 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2126 sizes by correctly testing whether the size fits a host integer.
2127 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2128 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2129 SImode range for the default sizetype and bitsizetype.
2131 2006-03-29 Roger Sayle <roger@eyesopen.com>
2133 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2134 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2135 quickly if the argument is already of the correct type.
2136 Call fold_build1 instead of build1. Tidy up blank lines.
2138 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2140 * genemit.c (main): Add tm-constrs.h to included headers.
2141 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2142 * genpeep.c (main): Add tm-constrs.h to included headers.
2143 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2144 (write_tm_constrs_h): this and write complete file.
2145 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2146 (write_insn_preds_c): Add tm-constrs.h to included headers.
2147 (gen_constrs): New variable.
2148 (parse_option): Parse "-c".
2149 (main): Invoke write_tm_constrs_h.
2150 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2151 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2152 (object_out_file): Add tm-constrs.h dependency.
2153 (insn-emit.o): Same.
2154 (insn-output.o): Same.
2155 (insn-peep.o): Same.
2156 (insn-preds.o): Same.
2157 (insn-recog.o): Same.
2158 (tm-constsr.h): New target.
2159 (s-constrs-h): New target.
2161 * config/rs6000/constraints.md: New file.
2162 * config/rs6000/rs6000.c: Include tm-constrs.h.
2163 (num_insn_constant_wide): Convert to satisfies_constraint.
2164 (rs6000_rtx_costs): Convert to satisfies_constraint.
2165 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2166 (CONST_OK_FOR_LETTER_P): Delete.
2167 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2168 (EXTRA_CONSTRAINT): Delete.
2169 (EXTRA_MEMORY_CONSTRAINT): Delete.
2170 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2171 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2172 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2173 satisfies_constraint.
2175 * config/i386/i386.c: Include tm-constrs.h.
2177 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2179 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2180 * tree-data-ref.c (find_data_references_in_loop,
2181 compute_data_dependences_for_loop): Use pointers to VEC.
2182 (analyze_all_data_dependences): Adjust calls.
2183 * tree-data-ref.h (find_data_references_in_loop,
2184 compute_data_dependences_for_loop): Adjust declarations.
2185 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2186 compute_data_dependences_for_loop.
2188 2006-03-29 Paul Brook <paul@codesourcery.com>
2190 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2193 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2195 PR tree-optimization/26859
2196 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2198 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2199 for the step after fold_convert.
2201 2006-03-29 Paul Brook <paul@codesourcery.com>
2203 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2204 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2206 2006-03-29 Paul Brook <paul@codesourcery.com>
2209 * targhooks.c (default_narrow_bitfield): New fuction.
2210 * targhooks.h (default_narrow_bitfield): add prototype.
2211 * target.h (gcc_target): Add narrow_volatile_bitfield.
2212 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2213 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2214 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2215 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2217 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2219 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2221 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2222 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2223 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2224 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2225 (s390_function_arg_float): Allow SDmode and DDmode values to be
2226 passed in floating point registers.
2227 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2228 check with SCALAR_FLOAT_MODE_P.
2229 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2231 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2233 PR tree-optimization/25985
2234 * tree-ssa-loop-niter.c (number_of_iterations_le,
2235 number_of_iterations_ne): Make comments more precise.
2236 (number_of_iterations_cond): Add only_exit argument. Use the
2237 fact that signed variables do not overflow only when only_exit
2239 (loop_only_exit_p): New.
2240 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2241 number_of_iterations_cond.
2243 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2245 PR tree-optimization/26643
2246 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2249 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2251 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2252 (divsi3_i4_int): Likewise.
2254 2006-03-28 Roger Sayle <roger@eyesopen.com>
2256 * expr.c (emit_group_store): Only create a new pseudo reg if the
2257 quantity it needs to hold isn't already a suitable pseudo.
2259 2006-03-28 Jeff Law <law@redhat.com>
2261 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2262 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2264 2006-03-28 Roger Sayle <roger@eyesopen.com>
2266 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2267 the equivalent ~X & Y, and the symmetry related transformations.
2268 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2269 ~X & Y, and symmetry related transforms.
2271 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2273 Revert my 2006-03-27 patches.
2275 2006-03-28 Roger Sayle <roger@eyesopen.com>
2277 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2278 ~(T1)X, when T1 and T2 are integer types of the same precision
2279 and (T2)X isn't an extension.
2281 2006-03-28 Jeff Law <law@redhat.com>
2283 PR tree-optimization/26796
2284 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2285 need EH edge cleanups rather than purging them immediately.
2286 (eliminate_degenerate_phis): Handle queued EH cleanups.
2288 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2290 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2293 2006-03-27 Roger Sayle <roger@eyesopen.com>
2296 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2297 cast BIT_NOT_EXPR operand to the correct type.
2299 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2301 * tree-loop-linear.c: Don't include varray.h.
2302 (gather_interchange_stats, try_interchange_loops,
2303 linear_transform_loops): Use VEC instead of VARRAY.
2304 * lambda-mat.c: Don't include varray.h.
2305 * tree-chrec.c: Same.
2306 * lambda-trans.c: Same.
2307 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2308 VEC instead of VARRAY.
2309 * tree-vectorizer.h: Idem.
2310 * tree-data-ref.c (dump_data_references,
2311 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2312 initialize_data_dependence_relation, finalize_ddr_dependent,
2313 compute_all_dependences, find_data_references_in_loop,
2314 compute_data_dependences_for_loop, analyze_all_data_dependences,
2315 free_dependence_relation, free_dependence_relations,
2316 free_data_refs): Idem.
2317 * tree-data-ref.h (data_reference_p, subscript_p): New.
2318 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2319 VEC instead of VARRAY.
2320 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2321 (find_data_references_in_loop, compute_data_dependences_for_loop,
2322 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2323 dump_data_dependence_relations, free_dependence_relations,
2324 free_data_refs): Adjust declaration.
2325 (lambda_transform_legal_p): Move declaration here...
2326 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2327 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2328 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2329 vect_analyze_data_refs): Use VEC instead of VARRAY.
2330 * lambda.h (lambda_transform_legal_p): ...from here.
2331 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2332 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2333 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2334 tree-chrec.o): Don't depend on VARRAY_H.
2336 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2338 * rtl.def (Copyright): Update date.
2339 (DEPS_LIST): Change type of the second operand to 'int'.
2340 * target.h (Copyright): Update date.
2341 (struct gcc_target.speculate_insn): Change type of the second parameter
2343 * lists.c (Copyright): Update date.
2344 (alloc_DEPS_LIST): Change signature. Update reference to the second
2345 operand of the DEPS_LIST.
2346 (copy_DEPS_LIST_list): Update reference to the second operand of the
2348 * rtl.h (Copyright): Update date.
2349 (alloc_DEPS_LIST): Update signature.
2350 * sched-int.h (Copyright): Update date.
2351 (ds_t): Change typedef to 'int'.
2352 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2354 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2356 * haifa-sched.c (Copyright): Update date.
2357 (try_ready): Change condition to restore non-speculative pattern
2359 (process_insn_depend_be_in_spec): Code to keep probability of the
2360 speculative dependence non-decreasing.
2362 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2364 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2365 shut up the compiler.
2367 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2369 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2370 to use lib prefix for target.
2371 ($(T)libic_invalidate_array_4-200.a): Likewise.
2372 ($(T)libic_invalidate_array_4a.a): Likewise.
2374 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2375 J"orn Rennecke <joern.rennecke@st.com>
2377 * superh.opt: New file.
2378 * sh.c (boardtype, osruntime): Remove.
2379 * superh.h (SUBTARGET_OPTIONS): Remove.
2380 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2382 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2383 arguments with ^ and/or [].
2385 * config.gcc (sh-*-*): Add quoting to account for quirk of
2387 Replace == with = in enable_incomplete_targets test.
2389 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2390 with MASK_LITTLE_ENDIAN.
2392 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2393 * config/sh/sh.opt: Added to some comments.
2394 * config/sh/superh.h: Removed some chaff.
2396 * config/sh/sh.opt: Add m4-[1234]00* options.
2397 * config/sh/sh.c (sh_handle_option): Likewise.
2398 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2399 (ic_invalidate_array_4-100.o): New rule.
2400 ($(T)libic_invalidate_array_4-100.a): Likewise.
2401 (ic_invalidate_array_4-200.o): Likewise.
2402 ($(T)libic_invalidate_array_4-200.a): Likewise.
2403 (ic_invalidate_array_4a.o): Likewise.
2404 ($(T)libic_invalidate_array_4a.a): Likewise.
2405 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2406 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2408 * config/sh/crt1.asm: Merged in profiling code.
2409 * config/sh/superh.h (STARTFILE_SPEC): Override.
2410 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2411 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2412 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2414 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2415 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2416 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2418 * sh.opt (mpretend-cmove): New option.
2419 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2420 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2421 (movsicc): Add TARGET_PRETEND_CMOVE code.
2423 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2425 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2426 s390_class_max_nregs): New function prototypes.
2427 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2428 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2429 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2430 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2432 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2434 * dwarf2out.c (add_location_or_const_value_attribute): Call
2435 tree_add_const_value_attribute if nothing else works.
2436 (reference_to_unused): New.
2437 (rtl_for_decl_init): Use reference_to_unused to decide whether
2438 to output an initializer.
2440 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2443 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2444 peephole removing spe frob_di_df_2.
2446 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2448 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2449 (subscript_dependence_tester_1): Declared.
2450 (print_dir_vectors, print_dist_vectors): New.
2451 (debug_data_dependence_relation): New.
2452 (dump_data_dependence_relation): Print more details.
2453 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2454 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2455 (save_dist_v, save_dir_v, add_outer_distances,
2456 build_classic_dist_vector_1): New.
2457 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2458 Don't test for lambda_vector_lexico_pos.
2459 (same_access_functions, add_multivariate_self_dist,
2460 add_other_self_distances, dir_from_dist): New.
2461 (build_classic_dir_vector): Replace implementation almost identical to
2462 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2464 (subscript_dependence_tester_1): New.
2465 (subscript_dependence_tester): Handle the lexicographically negative
2466 distance vectors by recomputing the dependence relation.
2467 (compute_affine_dependence): Remove parameter loop_nest_depth.
2468 (compute_self_dependence): Don't call compute_subscript_distance.
2469 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2470 Add a parameter for the loop_nest.
2471 (find_loop_nest_1, find_loop_nest): New.
2472 (compute_data_dependences_for_loop): Compute the loop nest, and give
2473 up if the nest is not well formed.
2474 * tree-data-ref.h (loop_p): New.
2475 (struct data_dependence_relation): Replace size_vect field with
2476 loop_nest, a vec of loops.
2477 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2478 (DDR_LOOP_NEST): New.
2479 (print_dir_vectors, print_dist_vectors,
2480 debug_data_dependence_relation): Declared.
2481 (index_in_loop_nest): New.
2482 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2483 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2486 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2488 * simplify-rtx.c (simplify_relational_operation): Call
2489 simplify_relational_operation_1 even if mode is VOIDmode.
2491 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2493 PR tree-optimization/26804
2494 * tree.h (DECL_CALL_CLOBBERED): New macro.
2495 (tree_decl_common): Add call_clobbered_flag.
2496 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2497 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2498 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2499 (mark_non_addressable): Ditto.
2500 * tree-ssa.c (verify_call_clobbered): New function.
2501 (verify_alias_info): Use it.
2502 * tree-pass.h (pass_reset_cc_flags): New prototype.
2503 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2504 (reset_cc_flags): New function.
2505 * passes.c (init_optimization_passes): Call reset_cc_flags after
2506 initializing referenced_vars.
2508 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2509 Roger Sayle <roger@eyesopen.com>
2512 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2513 to 1.0 for non-real operands. Implement A / A optimization for
2516 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2518 * config/i386/i386.c (size_cost): Correct the comment for
2519 cost of storing fp registers.
2520 (i386_cost): Likewise.
2521 (i486_cost): Likewise.
2522 (pentium_cost): Likewise.
2523 (pentiumpro_cost): Likewise.
2524 (k6_cost): Likewise.
2525 (athlon_cost): Likewise.
2526 (k8_cost): Likewise.
2527 (pentium4_cost): Likewise.
2528 (nocona_cost): Likewise.
2529 (generic64_cost): Likewise.
2530 (generic32_cost): Likewise.
2532 2006-03-24 Denis Chertykov <denisc@overta.ru>
2534 * config/avr/avr-protos.h (extra_constraint): Delete.
2535 (extra_constraint_Q): New declaration.
2536 * config/avr/constraints.md: New file.
2537 * config/avr/avr.md: Include it.
2538 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2539 (TMP_REGNO, ZERO_REGNO): Likewise.
2540 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2541 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2542 (extra_constraint): Delete.
2543 (extra_constraint_Q): Test for memory constraint 'Q'.
2544 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2545 (REG_CLASS_FROM_LETTER): Delete.
2546 (CONST_OK_FOR_LETTER_P): Delete.
2547 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2548 (EXTRA_CONSTRAINT): Delete.
2549 (TMP_REGNO): Delete.
2550 (ZERO_REGNO): Delete.
2552 2006-03-24 Jeff Law <law@redhat.com>
2554 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2555 directly. Call mark_new_vars_to_rename slightly earlier.
2557 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2559 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2561 (gen_compile_unit_die): Use new language types for Objective-C and
2563 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2564 DW_LANG_C_plus_plus.
2567 * config/t-darwin (crt3.o): Work around bug 26840.
2568 * config/darwin-crt3.c: Rewrite.
2569 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2571 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2573 * doc/invoke.texi: Document -femit-class-debug-always
2574 * common.opt: Add -femit-class-debug-always.
2576 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2578 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2579 index and base register.
2580 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2581 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2582 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2583 REGNO_OK_FOR_INDEX_P.
2584 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2586 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2587 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2588 REG_OK_FOR_BASE_P): Definitions removed.
2590 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2593 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2594 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2595 set yet or weren't marked as local yet.
2597 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2599 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2602 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2604 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2605 (rs6000_legitimate_small_data_p): Delete.
2606 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2607 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2608 and make static. Add forward declaration. Update uses.
2609 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2610 of offsettable_memref_p.
2611 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2612 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2614 2006-03-24 Jeff Law <law@redhat.com>
2616 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2617 around bug in immediate-use iterator.
2619 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2622 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2623 or __LITTLE_ENDIAN__.
2625 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2627 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2628 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2629 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2630 * config/sh/sh.opt (mdiv=): Amend description.
2631 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2632 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2633 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2634 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2635 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2636 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2637 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2638 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2639 TARGET_DIVIDE_CALL_FP.
2641 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2643 * haifa-sched.c (choose_ready): Fix type of the local variable.
2644 Move local variables. Add comment.
2645 (check_reg_live): Change signature. Make callable from debugger.
2646 * sched-int.h (check_reg_live): Update signature.
2647 * sched-ebb.c (check_reg_live): Update parameters.
2648 * sched-rgn.c (check_reg_live): Ditto.
2649 (region_head_or_leaf_p): Check pointer before dereferencing.
2650 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2651 before reload on optimization levels below 1.
2653 2006-03-23 Richard Henderson <rth@redhat.com>
2655 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2659 * config/alpha/predicates.md (local_symbolic_operand): Reject
2662 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2665 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2666 expressions which have overflowed constants.
2668 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2670 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2672 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2674 * cfgloopmanip.c (create_loop_notes): Removed.
2675 * final.c (final_scan_insn): Do not handle loop notes.
2676 * jump.c (squeeze_notes): Ditto.
2677 * cfglayout.c (skip_insns_after_block,
2678 duplicate_insn_chain): Ditto.
2679 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2681 * cfgloop.h (create_loop_notes): Declaration removed.
2683 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2685 * varasm.c (output_constant_pool): Restore fnname and fndecl
2687 (assemble_start_function): Adjust call accordingly.
2688 (assemble_end_function): Likewise.
2690 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2693 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2696 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2698 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2701 * system.h (ICE_EXIT_CODE): New macro.
2702 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2703 (diagnostic_action_after_output): Likewise.
2704 * gcc.c (fatal_ice): New function.
2705 (execute): Use it instead of fatal.
2706 (fancy_abort): Likewise.
2707 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2709 2006-03-22 Jeff Law <law@redhat.com>
2711 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2712 iv_analyze_result returning false.
2714 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2716 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2718 2006-03-22 Richard Henderson <rth@redhat.com>
2721 * except.c (duplicate_eh_regions_0): New.
2722 (duplicate_eh_region_1): Duplicate the children of the node as
2723 well as the node itself. Link them up properly.
2724 (duplicate_eh_region_2): Merge into ...
2725 (duplicate_eh_regions): ... here. Take copy_region argument, and
2726 copy only a sub-tree if asked. Simplify copying and fixup.
2727 (eh_region_outer_p): New.
2728 * except.h (duplicate_eh_regions): Update decl.
2729 (eh_region_outer_p): Declare.
2730 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2731 (lower_omp_master): Likewise.
2732 (lower_omp_ordered): Likewise.
2733 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2734 (move_stmt_r): Use it to remap labels. Handle recursion vs
2735 remap_decls_p properly.
2736 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2737 (find_outermost_region_in_block): New.
2738 (new_label_mapper): New.
2739 (move_sese_region_to_fn): Copy eh information to the new function
2741 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2743 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2746 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2748 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2749 into shared libraries.
2751 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2753 * doc/md.texi: Refer to i386/constraints.md instead of
2755 * config/i386/constraints.md: New file, extracted from...
2756 * config/i386/predicates.md: ...here.
2757 * config/i386/i386.md: Include constraints.md.
2759 2006-03-21 Jason Merrill <jason@redhat.com>
2761 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2764 * expr.c (init_block_move_fn): Force default visibility.
2765 (init_block_clear_fn): Likewise.
2766 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2767 * targhooks.c (default_external_stack_protect_fail): Likewise.
2769 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2771 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2772 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2773 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2774 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2775 (loadgp): Use mips_current_loadgp_style.
2776 (loadgp_noshared): New pattern.
2777 (sibcall_internal): Use MIPS_CALL.
2778 (sibcall_value_internal): Likewise.
2779 (sibcall_value_multiple_internal): Likewise.
2780 (call_internal): Likewise.
2781 (call_value_internal): Likewise.
2782 (call_value_multiple_internal): Likewise.
2783 (call_split): Use MIPS_CALL and add an 'S' constraint.
2784 (call_value_split): Likewise.
2785 (call_value_multiple_split): Likewise.
2786 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2787 (-mshared): New option.
2788 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2789 (mips_current_loadgp_style): Declare.
2790 * config/mips/mips.c (mips_classify_symbol): Avoid using
2791 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2792 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2793 TARGET_ABSOLUTE_ABICALLS.
2794 (override_options): Adjust comments. Improve the warning that is
2795 issued when -mabicalls and -G are used together.
2796 (mips_file_start): Remove comment.
2797 (mips_current_loadgp_style): New function.
2798 (mips_gnu_local_gp): New variable.
2799 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2801 (mips_output_function_prologue): Use mips_current_laodgp_style.
2802 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2803 the cprestore instruction.
2804 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2805 live for TARGET_ABSOLUTE_ABICALLS.
2806 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2807 (ASM_SPEC): Pass down -mshared and -mno-shared.
2808 (MIPS_CALL): New macro.
2809 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2811 * doc/invoke.texi (-mabicalls): Update documentation.
2812 (-mshared): Document.
2814 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2816 * config/ia64/unwind-hpux.c: New file.
2817 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2819 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2822 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2824 2006-03-21 Jeff Law <law@redhat.com>
2826 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2827 type conversions of a VR_VARYING source to a wider type.
2829 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2831 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2832 tm_file on Solaris 10 and later.
2833 (sparc64-*-solaris2*): Likewise.
2834 (sparc-*-solaris2*): Likewise.
2835 * config/sol26.h: Rename to config/sol2-6.h.
2836 * config/sol2-10.h: New file.
2838 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2841 * tree-ssa-pre.c (create_component_ref_by_pieces):
2844 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2847 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2848 return it immediately.
2850 2006-03-21 Michael Matz <matz@suse.de>
2852 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2854 (remove_arc, add_arc): Update num_out_arcs member.
2855 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2857 (cache_presence): New function.
2858 (compare_states_for_equiv): New function.
2859 (state_is_differed): Don't take number of outargs, adjust callers.
2860 Use new invariant for speeding up.
2861 (init_equiv_class): Create initial classes based on sorted
2863 (partition_equiv_class): Don't track out_arcs_num.
2864 (evaluate_equiv_classes): Call cache_presence on all states and
2867 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2869 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2870 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2871 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2872 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2874 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2875 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2876 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2877 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2878 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2880 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2881 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2882 (REGNO_REG_CLASS): ARGP is in PREGS.
2883 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2885 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2886 to deal with those addresses.
2887 * addresses.h: New file.
2888 * caller-save.c: Include "addresses.h".
2889 (init_caller_save): Use new base_reg_class function.
2890 * rtl-factoring.c: Include "addresses.h".
2891 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2892 * recog.c: Include "addresses.h".
2893 (preprocess_constraints): Use new base_reg_class function.
2894 * regrename.c: Include "addresses.h".
2895 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2896 functions. Keep track of a new var INDEX_CODE to compute valid
2898 (replace_oldest_value_addr): Likewise.
2899 (replace_oldest_value_mem): Use base_reg_class.
2900 * reload.c: Include "addresses.h".
2901 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2902 (find_reloads): Use new base_reg_class function.
2903 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2904 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2905 all callers and prototype changed.
2906 * reload1.c: Include "addresses.h".
2907 (maybe_fix_stack_asms): Use base_reg_class.
2908 * regclass.c: Include "addresses.h".
2909 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2910 (init_reg_autoinc): Use new base_reg_class function.
2911 (record_reg_classes): Likewise.
2912 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2913 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2914 Use new args to compute necessary class.
2916 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2917 regrename.o, rtl-factoring.o): Update dependencies.
2918 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2919 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2920 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2921 REG_OK_FOR_INDEX_P): Delete documentation.
2923 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2925 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2926 from V7 to V9 for Solaris 7 and above.
2928 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2930 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2931 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2932 argument pointers may not alias any other storage.
2933 * common.opt: Define option -fargument-noalias-anything.
2934 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2935 alias semantics is specified by flag_argument_noalias > 2.
2937 2006-03-20 Jeff Law <law@redhat.com>
2939 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2940 (pass_phi_only_cprop): Declare.
2941 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2943 * tree-ssa-dom.c (degenerate_phi_result): New function.
2944 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2945 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2946 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2947 (eliminate_degenerate_phis): Likewise.
2948 (pass_phi_only_cprop): New pass descriptor.
2949 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2950 support code. Callers updated.
2951 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2952 (store_copy_prop): Likewise.
2953 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2955 2006-03-20 Jason Merrill <jason@redhat.com>
2958 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2959 (push_visibility, pop_visibility): Likewise.
2960 * c-pragma.h: Declare them.
2962 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2964 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2966 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2967 parameter and use get_ebb_head_tail.
2968 (sh_md_init_global): Adjust uses of find_regmode_weight.
2970 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2972 * function.h (struct function) <x_tail_recursion_reentry>:
2973 Rename to x_stack_check_probe_note.
2974 (tail_recursion_reentry): Rename to stack_check_probe_note.
2975 * function.c: Replace tail_recursion_reentry with
2976 stack_check_probe_note everywhere.
2977 (expand_function_start): Only emit a note for
2978 stack_check_probe_note with -fstack-protect.
2979 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2981 * emit-rtl.c (remove_unnecessary_notes): Remove.
2982 (pass_remove_unnecessary_notes): Remove.
2983 * rtl.h (remove_unnecessary_notes): Remove prototype.
2984 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2985 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2986 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2988 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2991 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2992 (valid_in_set): Handle ARRAY_REF.
2993 Change "if min_variant or VH" to asserts.
2994 (create_component_ref_by_pieces): Handle ARRAY_REF.
2995 (create_expression_by_pieces): Likewise.
2996 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2998 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3000 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3001 is operand of switch, not str[0].
3003 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3005 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3006 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3008 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3010 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3011 end of insn_extra_address_constraint declaration.
3013 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3015 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3016 (no-sum-in-toc): Same.
3017 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3019 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3020 NO_FP_IN_TOC for -fPIC instead of mask.
3022 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3023 (BOOT_LDFLAGS): Delete.
3025 * config/rs6000/t-aix52: Same.
3027 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3028 (stmsi[345678]_power): New.
3030 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3032 * config/ia64/ia64.opt: Add empty line to end of file.
3034 2006-03-17 Richard Guenther <rguenther@suse.de>
3037 * builtins.c (get_pointer_alignment): For component style references
3038 adjust alignment to the component type alignment. Make sure
3039 to adjust alignment for component access of constants.
3041 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3043 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3046 2006-03-17 Paul Brook <paul@codesourcery.com>
3048 * doc/install.texi: Docuemnt --with-mode.
3049 * config.gcc: Add --with-mode for arm*-*-*.
3050 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3052 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3054 * sh.c (max_labelno_before_reorg): New variable.
3055 (sh_reorg): Initialize it.
3056 (find_barrier): Check max_labelno_before_reorg before using
3057 label_to_alignment. Take length of explicit alignment insns
3058 into account. When seeing a UNSPECV_CONST_END, return it.
3060 * sh.c (fixup_mova): Set mode of affected label to QImode.
3061 (untangle_mova): New function.
3062 (find_barrier): Use it. Check mode of label before decrementing
3064 (sh_reorg): Likewise.
3065 Set mode of all insns back to VOIDmode.
3067 * sh.c (MOVA_LABELREF): New macro.
3068 (mova_p, fixup_mova, sh_reorg): Use it.
3069 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3070 ADDR_DIFF_VEC matches mova.
3072 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3074 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3075 with ATTRIBUTE_UNUSED.
3077 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3079 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3080 pointer, instead of assuming it is possible to derive the
3081 correct args size from a call insn.
3083 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3085 * rtl.h (CONST_INT_P): Define.
3086 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3087 instead of GET_CODE(x) == CONST_INT.
3088 (vax_rtx_costs): Likewise.
3089 (vax_output_int_move): Likewise.
3090 (vax_output_int_add): Likewise.
3091 (legitimate_constant_address_p): Likewise.
3092 (index_term_p): Likewise.
3093 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3094 * config/vax/vax.md (and<mode>3): Likewise.
3095 (ashrsi3): Likewise.
3097 (movstricthi): Likewise.
3098 (movstrictqi): Likewise.
3099 (rotrsi3): Likewise.
3100 (five unnamed insns): Likewise.
3102 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3104 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3105 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3106 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3107 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3108 Pass to ASM_OUTPUT_DWARF_OFFSET.
3109 * dwarf2out.c (debug_frame_section): New.
3110 (output_call_frame_info): Use debug_frame_section. Pass it to
3111 dw2_asm_output_offset.
3112 (output_die): Pass appropriate section to dw2_asm_output_offset.
3113 (output_compilation_unit_header): Likewise.
3114 (output_pubnames): Likewise.
3115 (output_aranges): Likewise.
3116 (enum dw_val_class): Break dw_val_class_lbl_offset into
3117 dw_val_class_lineptr and dw_val_class_macptr.
3118 (add_AT_lbl_offset): Delete.
3119 (add_AT_lineptr): New.
3120 (add_AT_macptr): New.
3121 (AT_lbl): Expect a lineptr or macptr.
3122 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3123 (attr_checksum): Likewise.
3124 (same_dw_val_p): Likewise.
3125 (size_of_die): Likewise.
3126 (value_format): Likewise.
3127 (output_die): Likewise.
3128 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3130 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3131 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3132 * config/darwin-protos.h (darwin_file_start): New.
3133 (darwin_asm_output_dwarf_offset): New.
3134 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3135 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3137 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3138 if not EH section; simplify.
3139 (darwin_file_start): New.
3140 (darwin_asm_output_dwarf_offset): New.
3141 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3143 (DEBUG_INFO_SECTION): Likewise.
3144 (DEBUG_ABBREV_SECTION): Likewise.
3145 (DEBUG_ARANGES_SECTION): Likewise.
3146 (DEBUG_MACINFO_SECTION): Likewise.
3147 (DEBUG_LINE_SECTION): Likewise.
3148 (DEBUG_LOC_SECTION): Likewise.
3149 (DEBUG_PUBNAMES_SECTION): Likewise.
3150 (DEBUG_STR_SECTION): Likewise.
3151 (DEBUG_RANGES_SECTION): Likewise.
3152 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3153 (ASM_OUTPUT_DWARF_OFFSET): New.
3155 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3157 * config.gcc (tm_defines): Always add to previous value rather
3160 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3162 * config/mips/predicates.md (splittable_const_int_operand): New,
3163 split from move_operand.
3164 (splittable_symbolic_operand): New.
3165 (move_operand): Add commentary. Use splittable_const_int_operand.
3166 Inline mips_atomic_symbolic_constant_p.
3167 * config/mips/mips.md: Add combine splitters for handling moves
3168 of splittable_const_int_operands and splittable_symbolic_operands.
3169 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3170 (mips_split_symbol): Declare.
3171 (mips_move_integer): Declare.
3172 * config/mips/mips.c (mips_split_p): Make global.
3173 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3174 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3175 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3176 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3177 (mips_offset_within_object_p): Handle block symbols.
3178 (mips_atomic_symbolic_constant_p): Delete.
3179 (mips_cannot_force_const_mem): Return false for constants that
3180 mips_legitimize_move can handle.
3181 (mips_use_blocks_for_constant_p): New function.
3182 (mips_split_symbol): Make global.
3183 (mips_move_integer): Likewise. Add a temporary register argument.
3184 (mips_legitimize_const_move): Use splittable_const_int_operand and
3185 splittable_symbolic_operand.
3186 (mips_use_anchors_for_symbol_p): New function.
3187 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3188 (mips_split_p): Declare.
3190 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3192 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3193 (mips*-*-linux*): Likewise.
3195 2006-03-16 Roger Sayle <roger@eyesopen.com>
3196 Daniel Speyer <dspeyer@wam.umd.edu>
3199 * tree-dump.c (dump_real): New function.
3200 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3201 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3202 (tree-dump.o): Add $(REAL_H) to the dependencies.
3204 2006-03-16 Roger Sayle <roger@eyesopen.com>
3207 * real.c (real_from_string): If the mantissa is zero, don't bother
3208 parsing the exponent as the result should always be zero.
3210 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3212 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3214 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3216 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3217 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3218 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3219 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3220 ia64_sched_finish_global): New static functions to implement
3221 hooks from gcc_target.sched.
3222 (spec_check_no, max_uid, pending_data_specs): New static variables.
3223 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3224 ia64_spec_check_src_p): New static functions.
3225 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3226 (TARGET_SCHED_ADJUST_COST): Removed.
3227 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3228 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3229 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3230 TARGET_SCHED_GEN_CHECK,
3231 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3232 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3233 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3234 Fixed to handle speculation checks.
3235 (rtx_needs_barrier): Fixed to handle speculative loads and
3237 (ia64_variable_issue): Added code to count speculative loads and their
3239 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3241 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3243 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3245 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3246 (ia64_reorg): Reset stops_p to NULL after it is freed.
3247 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3248 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3249 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3251 (data_speculative, control_speculative, check_load): New attributes.
3252 (mov<mode>_advanced, mov<mode>_speculative,
3253 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3254 zero_extend<mode>di2_speculative,
3255 zero_extend<mode>di2_speculative_advanced): New patterns for
3256 data and control speculative loads.
3257 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3259 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3260 New pattern for data and control speculation checks.
3261 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3262 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3263 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3264 Auxiliary definitions for the patterns.
3265 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3266 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3268 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3270 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3271 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3272 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3273 New resource constraints.
3274 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3276 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3277 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3278 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3279 msched-in-control-spec, msched-ldc, msched-control-ldc,
3280 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3281 msched-prefer-non-control-spec-insns,
3282 msched-count-spec-in-critical-path): New flags to tune speculative
3284 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3285 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3286 msched-in-control-spec, msched-ldc, msched-control-ldc,
3287 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3288 msched-prefer-non-control-spec-insns,
3289 msched-count-spec-in-critical-path): Document new flags.
3291 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3293 * target.h (struct spec_info_def): New opaque declaration.
3294 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3295 speculate_insn, needs_block_p, gen_check,
3296 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3297 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3298 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3299 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3300 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3301 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3303 (TARGET_SCHED): Use new macros.
3304 * rtl.h (copy_DEPS_LIST_list): New prototype.
3305 * sched-int.h (struct sched_info): Change signature of new_ready field,
3306 adjust all initializations. New fields: add_remove_insn,
3307 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3308 region_head_or_leaf_p.
3309 (struct spec_info_def): New structure declaration.
3310 (spec_info_t): New typedef.
3311 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3312 recovery_block, orig_pat.
3313 (glat_start, glat_end): New variables declaraions.
3314 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3316 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3317 DETACH_LIFE_INFO, USE_GLAT.
3318 (enum SPEC_SCHED_FLAGS): New enumeration.
3319 (NOTE_NOTE_BB_P): New macro.
3320 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3321 attach_life_info, debug_spec_status, check_reg_live): New functions.
3322 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3323 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3325 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3326 * ddg.c (get_block_head_tail): Adjust all uses.
3327 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3328 (sms_sched_info): Initialize new fields.
3329 (contributes_to_priority): Removed.
3330 * haifa-sched.c (params.h): New include.
3331 (get_block_head_tail): Adjust all uses.
3332 (ISSUE_POINTS): New macro.
3333 (glat_start, glat_end): New global variables.
3334 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3335 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3336 old_last_basic_block, before_recovery, current_sched_info_var,
3337 rgn_n_insns, luid): New static variables.
3338 (insn_cost1): New function. Move logic from insn_cost to here.
3339 (find_insn_reg_weight1): New function. Move logic from
3340 find_insn_reg_weight to here.
3341 (reemit_notes, move_insn, max_issue): Change signature.
3342 (move_insn1): Removed.
3343 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3344 extend_bb): New static functions to support extension of scheduler's
3346 (generate_recovery_code, process_insn_depend_be_in_spec,
3347 begin_speculative_block, add_to_speculative_block,
3348 init_before_recovery, create_recovery_block, create_check_block_twin,
3349 fix_recovery_deps): New static functions to support
3350 generation of recovery code.
3351 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3352 restore_bb_notes, move_block_after_check, move_succs): New static
3353 functions to support ebb scheduling.
3354 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3355 functions to support handling of register live information.
3356 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3357 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3358 add_jump_dependencies): New static functions.
3359 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3360 consistancy checking.
3361 (debug_spec_status): New function to call from debugger.
3362 (priority): Added code to handle speculation checks.
3363 (rank_for_schedule): Added code to distinguish speculative instructions.
3364 (schedule_insn): Added code to handle speculation checks.
3365 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3366 Fixed to handle ebbs.
3367 (move_insn): Added code to handle ebb scheduling.
3368 (max_issue): Added code to use ISSUE_POINTS of instructions.
3369 (choose_ready): Added code to choose between speculative and
3370 non-speculative instructions.
3371 (schedule_block): Added code to handle ebb scheduling and scheduling of
3372 speculative instructions.
3373 (sched_init): Initialize new variables.
3374 (sched_finish): Free new variables. Print statistics.
3375 (try_ready): Added code to handle speculative instructions.
3376 * lists.c (copy_DEPS_LIST_list): New function.
3377 * sched-deps.c (extend_dependency_caches): New function. Move logic
3378 from create_dependency_caches to here.
3379 (get_dep_weak, ds_merge): Make global.
3380 * genattr.c (main): Code to output prototype for
3381 dfa_clear_single_insn_cache.
3382 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3383 (output_dfa_clean_insn_cache_func): Code to output
3384 dfa_clear_single_insn_cache function.
3385 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3387 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3389 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3390 New static variables.
3391 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3392 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3394 (ebb_sched_info): Initialize new fields.
3395 (get_block_head_tail): Adjust all uses.
3396 (compute_jump_reg_dependencies): Fixed to use glat_start.
3397 (schedule_ebb): Code to remove unreachable last block.
3398 (schedule_ebbs): Added code to update register live information.
3399 * sched-rgn.c (region_sched_info): Initialize new fields.
3400 (get_block_head_tail): Adjust all uses.
3401 (last_was_jump): Removed. Adjust users.
3402 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3403 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3404 Implement new hooks.
3405 (check_dead_notes1): New static function.
3406 (struct region): New fields: dont_calc_deps, has_real_ebb.
3407 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3408 (BB_TO_BLOCK): Fixed to handle EBBs.
3409 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3410 (ebb_head): New static variable.
3411 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3412 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3414 (compute_dom_prob_ps): New assertion.
3415 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3416 global_live_at_start.
3417 (init_ready_list): New assertions.
3418 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3419 (new_ready): Add support for BEGIN_CONTROL speculation.
3420 (schedule_insns): Fixed code that updates register live information
3422 (schedule_region): Fixed to handle EBBs.
3423 (init_regions): Use extend_regions and check_dead_notes1.
3424 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3425 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3426 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3427 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3428 TARGET_SCHED_GEN_CHECK,
3429 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3430 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3431 * doc/invoke.texi (max-sched-insn-conflict-delay,
3432 sched-spec-prob-cutoff): Document.
3434 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3436 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3437 inter_tick, queue_index.
3438 (struct sched_info): Change signature of init_ready_list field.
3439 Adjust all initializations.
3440 (RESOLVED_DEPS): New access macro.
3441 (ready_add): Remove prototype.
3442 (try_ready): Add prototype.
3443 * sched-rgn.c (init_ready_list): Use try_ready.
3444 (schedule_region): Initialize
3445 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3446 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3447 (init_ready_list): Use try_ready.
3448 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3449 * lists.c (remove_list_elem): Remove `static'.
3450 (remove_free_INSN_LIST_elem): New function.
3451 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3452 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3453 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3455 (readyp): New variable.
3456 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3457 change_queue_index, resolve_dep): New static functions.
3458 (try_ready): New function. Adjust callers in sched-rgn.c and
3459 sched-ebb.c to use it instead of ready_add.
3460 (clock_var): Move at the begining of file.
3461 (rank_for_schedule): Fix typo.
3462 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3463 (ready_lastpos): Enforce assertion.
3464 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3466 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3467 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3468 (queue_to_ready): Use free_INSN_LIST_list.
3469 (early_queue_to_ready): Fix typo.
3470 (schedule_block): Init readyp. Move init_ready_list call after the
3471 initialization of clock_var. Fix error in rejecting insn by
3472 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3473 that previously corrected INSN_TICKs. Add code for handling
3475 (set_priorities): Fix typo.
3476 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3477 Clarify comment and code that keeps current_sched_info->next_tail
3480 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3482 * sched-rgn.c (extend_rgns): New static function.
3483 (find_rgns): Use it.
3484 (gather_region_statistics, print_region_statistics): New static
3486 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3487 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3489 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3490 Andrey Belevantsev <abel@ispras.ru>
3492 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3493 * lists.c (unused_deps_list): New variable.
3494 (free_list): Add assertions to verify the proper distinguishing
3495 between INSN_LISTs and DEPS_LISTs.
3496 (find_list_elem, remove_list_elem, remove_list_node): New static
3498 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3499 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3500 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3501 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3503 (free_INSN_LIST_node): Likewise.
3504 * modulo-sched.c (current_sched_info): Initialize flags field.
3505 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3506 * rtl.def (DEPS_LIST): Define.
3507 * rtl.h: Declare new functions from lists.c.
3508 * sched-deps.c (spec_dependency_cache): New static variable.
3509 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3510 (add_dependence): Change return type to void. Move the logic to ...
3511 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3512 (delete_all_dependences): Add comment about forward_dependency_cache.
3513 Handle spec_dependency_cache. Handle DEPS_LISTs.
3514 (fixup_sched_groups): Clarify the change of priority of output
3515 and anti dependencies.
3516 (sched_analyze_2): Adjust add_dependence calls to create data
3517 speculative dependence.
3518 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3519 Adjust all callers. Handle DEPS_LISTS.
3520 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3521 presence of speculation.
3522 (init_dependency_caches, free_dependency_caches):
3523 Handle spec_dependency_cache.
3524 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3525 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3526 New static functions.
3527 (add_or_update_back_dep, add_or_update_back_forw_dep,
3528 add_back_forw_dep, delete_back_forw_dep): New functions.
3529 * sched-int.h (ds_t, dw_t): New typedefs.
3530 (struct sched_info): Add new field flags.
3531 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3532 Prototype new sched-deps.c functions.
3533 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3534 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3535 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3536 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3537 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3538 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3540 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3542 * sched-rgn.c (current_sched_info): Initialize flags field.
3543 (schedule_insns): Initialize current_sched_info before the sched_init
3545 * sched-ebb.c (current_sched_info): Initialize flags field.
3546 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3547 Call add_or_update_back_dep instead of add_dependence.
3548 Create control speculative dependencies.
3549 (schedule_insns): Initialize current_sched_info before the sched_init
3552 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3554 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3556 (sh_fallback_frame_state): Likewise.
3558 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3560 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3561 Do switch on default_use_cxa_atexit.
3562 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3563 * config/darwin-crt3.o: New.
3564 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3565 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3566 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3568 * config/rs6000/t-darwin: Move crt2.o building to here.
3569 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3570 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3573 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3575 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3576 from '! xxx' to '!xxx' for coding-style conformance.
3577 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3578 (EXTRA_CONSTRAINT): Likewise.
3579 * config/vax/vax.md (four unnamed insns): Likewise.
3581 2006-03-15 Paul Brook <paul@codesourcery.com>
3583 * config/arm/arm.c (minipool_pad): New.
3584 (add_minipool_forward_ref): Include pool alignment padding in address
3586 (push_minipool_fix): Set minipool_pad.
3587 (minipool_pad): Ditto.
3589 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3591 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3592 instead of GET_CODE() == MEM and REG_P() instead of
3594 (print_operand_address): Likewise.
3595 (vax_address_cost): Likewise.
3596 (vax_rtx_costs): Likewise.
3597 (vax_notice_update_cc): Likewise.
3598 (vax_output_int_add): Likewise.
3599 (INDEX_REGISTER_P): Likewise.
3600 (BASE_REGISTER_P): Likewise.
3601 (nonindexed_address_p): Likewise.
3602 (vax_mode_dependent_address_p): Likewise.
3603 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3604 (PRINT_OPERAND): Likewise.
3605 * config/vax/vax.md (ashlsi3): Likewise.
3606 (ashlsi3): Likewise.
3607 (some more unnamed insns): Likewise.
3609 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3611 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3612 iterator-style macro.
3613 (mark_control_dependent_edges_necessary): Update the use of
3614 EXECUTE_IF_CONTROL_DEPENDENT.
3616 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3618 * config/sh/predicates.md (cache_address_operand): Special.
3619 (ua_address_operand): Likewise.
3621 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3623 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3625 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3627 2006-03-15 Andreas Schwab <schwab@suse.de>
3629 * gensupport.c (identify_predicable_attribute): Don't free p_false
3630 when it is still in use.
3632 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3634 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3635 the default setting here.
3637 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3639 * tree-pass.h (pass_cfg): Remove.
3640 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3641 * passes.c (pass_cfg): Don't run it.
3643 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3645 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3646 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3648 (stack_regs_mentioned): Update the uses of
3649 stack_regs_mentioned_data. Don't access the array beyond its
3651 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3652 Don't include gt-reg-stack.h.
3654 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3655 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3657 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3660 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3663 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3665 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3667 2006-03-14 Richard Guenther <rguenther@suse.de>
3669 PR tree-optimization/26672
3670 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3673 2006-03-14 Richard Guenther <rguenther@suse.de>
3675 PR tree-optimization/26667
3676 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3677 node for the callees. Always allow inlining if it will shrink
3680 2006-03-14 Richard Guenther <rguenther@suse.de>
3683 * builtins.c (get_pointer_alignment): Prefer alignment
3684 information from decls over that from types.
3686 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3689 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3691 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3693 * config/rs6000/rs6000.opt (mdlmzb): New option.
3694 (msched-prolog, msched-epilog): Use Var not Mask.
3695 * doc/invoke.texi (-mdlmzb): Document.
3696 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3698 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3699 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3701 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3703 PR rtl-optimization/25739
3704 * bt-load.c (augment_live_range): Free tos pointer.
3706 * gensupport.c (identify_predicable_attribute): Free
3708 * gcov.c (create_file_names): Free name pointer.
3710 2006-03-13 Roger Sayle <roger@eyesopen.com>
3713 * stmt.c (emit_case_nodes): Handle the case where the index is a
3714 CONST_INT, where the comparison mode is specified by the index type.
3716 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3718 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3721 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3723 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3724 (*branch_fp_inverted): Likewise.
3726 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3729 * omp-low.c (expand_omp_for_generic): Mark istart0
3730 and iend0 as addressable.
3732 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3734 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3736 2006-03-13 Jeff Law <law@redhat.com>
3738 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3739 virtual operands are interesting.
3740 (vrp_visit_stmt): Corresponding changes.
3742 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3744 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3746 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3747 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3748 * config/bfin/crti.S: Use it instead of __PIC__.
3749 * config/bfin/crtn.S: Likewise.
3751 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3752 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3754 Lose 'G' modifier for call operand.
3755 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3756 recognize 'G' modifier.
3758 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3761 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3762 * stmt.c (expand_case): Likewise.
3764 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3766 PR rtl-optimization/26254
3767 * loop-invariant.c (seq_insns_valid_p): New function.
3768 (move_invariant_reg): Only emit new code if it is valid.
3770 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3772 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3774 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3775 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3776 (commit_one_edge_insertion): Do not look for loop notes.
3778 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3780 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3781 flag_test_coverage out of loop.
3783 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3785 * final.c (shorten_branches): Remove outdated comment, and turn
3786 the if branch that guards it to continue.
3788 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3790 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3791 * cfgloop.h (struct loop): Remove unused fields.
3793 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3795 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3796 (-dL, -fdump-rtl-loop2): Update the dump file names
3798 * doc/invoke.texi: Update dump file names.
3800 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3802 * predict.c (estimate_probability): Remove.
3803 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3804 * basic-block.h (estimate_probability): Remove prototype.
3805 * passes.c (finish_optimization_passes): Dump branch prediction or
3806 profiling heuristics to the .profile tree dump.
3807 (init_optimization_passes): Unqueue pass_branch_prob.
3809 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3811 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3813 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3814 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3816 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3818 * function.h (frame_offset_overflow): Declare.
3819 * function.c (frame_offset_overflow): New function.
3820 (assign_stack_local_1): Call it to detect that the offset overflows.
3821 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3823 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3825 * config/sh/sh.c: Include alloc-pool.h.
3826 (label_ref_list_pool): New alloc pool.
3827 (label_ref_list_t): New type for lists of labels.
3828 (struct pool_node): Make wend a label_ref_list_t.
3829 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3831 (dump_table): Likewise.
3832 (sh_reorg): Set up the alloc pool before using add_constant and
3833 dump_table, and destroy it when finishing.
3835 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3837 * config/mips/mips.c: Remove redundant comment.
3839 2006-03-10 Jason Merrill <jason@redhat.com>
3842 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3843 the target was declared 'register'.
3845 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3847 * genpreds.c (write_insn_constraint_len): Change definition of
3848 insn_constraint_len to return size_t to match the declaration.
3850 2006-03-10 DJ Delorie <dj@redhat.com>
3852 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3854 (m32c_expand_insv): Fix test for an AND mask.
3856 2006-03-10 Richard Guenther <rguenther@suse.de>
3859 * builtins.c (get_pointer_alignment): Handle component
3860 references for field alignment.
3862 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3864 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3865 when building with libgloss.
3866 (sh*elf): Implement --without-fp option.
3867 (sh64-superh-linux*): Don't multilib.
3869 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3871 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3873 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3875 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3876 Set it when one of the replacement functions returned true.
3877 Return TODO_cleanup_cfg if cfgchanged is true.
3878 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3880 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3882 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3883 instead of gen_lowpart.
3885 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3887 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3889 (mips_output_order_conditional_branch): Declare.
3890 * config/mips/mips.h (MIPS_BRANCH): New macro.
3891 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3892 for the comparison. Use gen_condjump.
3893 (mips_output_conditional_branch): Rework interface to take the
3894 asm templates for a direct branch and the inverse of a direct branch.
3895 (mips_output_order_conditional_branch): New function.
3896 (mips_builtin_branch_and_move): New function.
3897 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3898 branch condition. Use gen_single_cc as the condition for
3899 __builtin_mips_upper_* or __builtin_mips_lower_*.
3900 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3901 Use VOIDmode for the branch condition.
3902 * config/mips/predicates.md (order_operator): New predicate.
3903 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3904 (branch_fp): Rename to...
3905 (*branch_fp): ...this. Remove mode from comparison operator.
3906 Use new mips_output_conditional_branch interface.
3907 (branch_fp_inverted): Rename to...
3908 (*branch_fp_inverted): ...this and update as for *branch_fp.
3909 (*branch_zero<mode>): Rename to...
3910 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3911 Use mips_output_order_conditional_branch. Only accept ordered
3913 (*branch_zero<mode>_inverted): Rename to...
3914 (*branch_order<mode>_inverted): ...this and update as for
3915 *branch_order<mode>.
3916 (*branch_equality<mode>): Accept zero as the second operand to
3917 the equality operator. Use the new mips_output_conditional_branch
3919 (*branch_equality<mode>_inverted): Likewise.
3920 (condjump): New expander.
3921 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3923 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3924 (bc1any2t, bc1any2f): Likewise.
3925 (single_cc): New expander.
3926 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3928 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3930 * doc/md.texi: Update documentation of MIPS constraints.
3931 * config/mips/constraints.md: New file.
3932 * config/mips/mips.md: Include it.
3933 * config/mips/mips.c (mips_char_to_class): Delete.
3934 (override_options): Don't initialize mips_char_to_class.
3935 * config/mips/mips.h (mips_char_to_class): Delete.
3936 (REG_CLASS_FROM_LETTER): Delete.
3937 (CONST_OK_FOR_LETTER_P): Delete.
3938 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3939 (EXTRA_CONSTRAINT_Y): Delete.
3940 (EXTRA_CONSTRAINT_STR): Delete.
3941 (CONSTRAINT_LEN): Delete.
3942 (EXTRA_MEMORY_CONSTRAINT): Delete.
3944 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3946 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3947 original fn's eh regions.
3949 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3951 * fold-const.c (build_range_check): Make sure to use a valid type to
3952 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3955 (range_predecessor): New static function.
3956 (range_successor): Likewise.
3957 (merge_ranges): Use them to compute predecessors and successors of
3960 2006-03-09 Roger Sayle <roger@eyesopen.com>
3963 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3964 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3966 2006-03-08 DJ Delorie <dj@redhat.com>
3968 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3969 (addpsi3): Expand to include memory operands. Remove
3970 reload-specific splits.
3971 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3972 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3973 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3974 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3975 (shift1_qi, shift1_hi, insv): New.
3976 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3977 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3978 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3980 * config/m32c/m32c-protos.h: Update as needed.
3981 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3982 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3983 Fail for unrecognized R* constraints.
3984 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3985 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3986 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3988 (m32c_init_libfuncs): New.
3989 (m32c_legitimate_address_p): Add debug wrapper.
3990 (m32c_rtx_costs): New.
3991 (m32c_address_cost): New.
3992 (conversions): Add 'B' prefix.
3993 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3994 operands, or word regnames for QI operands. 'B' prints bit
3996 (m32c_expand_setmemhi): New.
3997 (m32c_expand_movmemhi): New.
3998 (m32c_expand_movstr): New.
3999 (m32c_expand_cmpstr): New.
4000 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4001 (m32c_expand_neg_mulpsi3): Handle non-ints.
4002 (m32c_cmp_flg_0): New.
4003 (m32c_expand_movcc): New.
4004 (m32c_expand_insv): New.
4005 (m32c_scc_pattern): New.
4006 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4007 a0/a1 out of SIregs.
4008 (STORE_FLAG_VALUE): New.
4009 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4012 * config/m32c/mov.md: Make constraints more liberal.
4013 (zero_extendqihi2): Optimize r0/r1 case.
4014 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4015 * config/m32c/predicates.md (m32c_any_operand): New.
4016 (m32c_nonimmediate_operand): New.
4017 (m32c_hl_operand): New.
4018 (m32c_r3_operand): New.
4021 (memsym_operand): New.
4022 (memimmed_operand): New.
4023 (a_qi_operand): New.
4024 (m32c_eqne_operator): New.
4025 (m32c_1bit8_operand): New.
4026 (m32c_1bit16_operand): New.
4027 (m32c_1mask8_operand): New.
4028 (m32c_1mask16_operand): New.
4029 * config/m32c/blkmov.md: New file.
4030 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4032 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4034 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4035 unsigned to fix signed/unsigned comparison issue in
4036 DWARF2_FRAME_REG_OUT.
4037 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4038 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4040 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4041 of ptr into the ENABLE_CHECKING section.
4043 2006-03-08 Jeff Law <law@redhat.com>
4045 * tree-vrp.c (infer_value_range): Only count pointer uses
4046 and dereferences if -fdelete-null-pointer-checks is enabled.
4048 * tree-vrp.c (find_assert_locations): Infer value ranges for
4049 single use pointers, but do not create ASSERT_EXPRs for them.
4050 When a non-null range is inferred for a pointer, backwards
4051 propagate that range to other equivalent pointers through the
4054 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4057 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4058 language hook targets.
4059 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4060 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4061 if language hook targets were missing.
4063 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4065 * tree-ssa-opfinalize.h: Removed.
4066 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4068 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4069 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4070 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4071 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4072 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4073 finalize_ssa_v_must_def_ops): New.
4075 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4077 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4080 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4082 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4084 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4085 addresses with offsets; reorganize.
4087 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4088 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4089 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4091 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4094 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4096 2006-03-08 Ben Elliston <bje@au.ibm.com>
4098 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4100 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4103 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4106 2006-03-07 Richard Guenther <rguenther@suse.de>
4108 PR tree-optimization/26587
4109 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4111 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4113 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4115 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4117 * hooks.c (hook_bool_mode_rtx_true): New function.
4118 * hooks.h (hook_bool_mode_rtx_true): Declare.
4119 * toplev.c (compile_file): Call output_shared_constant_pool.
4120 * varasm.c (shared_constant_pool): New variable.
4121 (assemble_start_function, assemble_end_function): Remove arguments
4122 from call to output_constant_pool.
4123 (create_constant_pool): New function, split out from...
4124 (init_varasm_status): ...here.
4125 (force_const_mem): Choose between the shared and per-function constant
4126 pools. Set current_function_uses_const_pool when reusing old entries
4127 as well as when creating new ones.
4128 (mark_constant): Ignore data argument.
4129 (mark_constants): Remove pool argument.
4130 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4131 to decide whether the function uses a constant pool.
4132 (output_constant_pool_contents): New function, split out from...
4133 (output_constant_pool): ...here.
4134 (output_shared_constant_pool): New function.
4135 (init_varasm_once): Initialize shared_constant_pool.
4136 * output.h (output_constant_pool): Delete.
4137 (output_shared_constant_pool): Declare.
4138 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4139 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4141 2006-03-06 Nick Clifton <nickc@redhat.com>
4143 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4144 flag_strength_reduce.
4146 2006-03-06 Ben Elliston <bje@au.ibm.com>
4148 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4149 x86_64-*-linux* configurations.
4151 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4152 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4154 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4156 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4158 * basic-block.h: Remove the extern for
4159 rediscover_loops_after_threading.
4161 * cfgloop.c (cancel_loop): Make it static.
4162 * cfgloop.h: Remove the prototype for cancel_loop.
4164 * flow.c (recompute_reg_usage): Make it static.
4165 * rtl.h: Remove the prototype for recompute_reg_usage.
4167 * function.c (use_return_register): Make it static.
4168 * function.h: Remove the prototype.
4170 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4172 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4174 * recog.h: Remove the prototype for
4175 validate_change_maybe_volatile.
4177 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4179 * rtlanal.c (replace_reg): Remove.
4180 * rtl.h: Remove the prototype for replace_reg.
4182 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4184 * regclass.c (reg_scan_update): Remove.
4185 (reg_scan_mark_refs): Remove the last argument.
4186 * rtl.h: Remove the prototype for reg_scan_update.
4188 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4190 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4191 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4192 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4193 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4194 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4195 loop-invariant.c, omp-low.c, opts.c, passes.c,
4196 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4197 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4198 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4199 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4200 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4201 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4203 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4205 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4206 * dwarf2out.h: Remove the prototype for
4207 dwarf2out_add_library_unit_info.
4209 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4211 * tree.c (add_var_to_bind_expr): Remove.
4212 * tree.h: Remove the prototype for add_var_to_bind_expr.
4214 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4216 * regclass.c (n_non_fixed_regs): Remove.
4217 (init_reg_sets_1, globalize_reg): Remove all uses of
4219 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4221 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4223 * rtlanal.c (insns_safe_to_move_p): Remove.
4224 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4226 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4228 * expmed.c (expand_mult_add): Remove.
4229 * expr.h: Remove the prototype for expand_mult_add.
4231 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4233 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4234 and REG_SAVED_VAL_EXP constants.
4235 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4236 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4237 Handle regs stored by value.
4238 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4239 (execute_cfa_program): Handle DW_CFA_val_offset,
4240 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4241 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4242 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4243 (uw_install_context_1): Handle target regs stored by value.
4245 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4247 * tree-sra.c (tree_sra): Return todoflags;
4248 (generate_one_element): Set TODO_update_smt_usage if needed.
4249 (pass_sra): Remove TODO_update_smt_usage.
4250 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4252 (tree_ssa_forward_propagate_single_use_vars): Return
4253 TODO_update_smt_usage if we need to update SMT usage.
4254 (pass_forwprop): Remove TODO_update_smt_usage.
4256 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4258 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4259 (correct_use_link): Remove reference to get_stmt_operands.
4260 (update_stmt_operands): Likewise.
4261 (get_modify_expr_operands): New function factored out of
4262 parse_ssa_operands and get_expr_operands.
4263 Try to create V_MUST_DEFs for LHS by default.
4264 (get_expr_operands) <case MODIFY_EXPR>: Call
4265 get_modify_expr_operands.
4266 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4267 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4268 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4269 get_modify_expr_operands.
4271 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4273 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4274 * tree-flow.h: Remove the prototype for
4275 referenced_var_lookup_if_exists.
4277 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4279 PR rtl-optimization/26345
4281 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4283 2006-03-03 Roger Sayle <roger@eyesopen.com>
4285 PR tree-optimization/26524
4286 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4287 fold_convert to create a constant of the appropriate type.
4289 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4291 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4292 SYMBOL_REF_IN_BLOCK_P.
4293 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4294 of SYMBOL_FLAG_IN_BLOCK.
4295 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4296 instead of SYMBOL_REF_IN_BLOCK_P.
4297 * explow.c (use_anchored_address): Likewise.
4298 * rtl.c (rtx_size): Likewise.
4299 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4300 instead of SYMBOL_FLAG_IN_BLOCK.
4301 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4302 SYMBOL_REF_IN_BLOCK_P.
4303 (assemble_variable): Likewise.
4304 (output_constant_def_contents): Likewise.
4305 (output_constant_pool): Likewise.
4306 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4307 instead of SYMBOL_FLAG_IN_BLOCK.
4308 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4309 SYMBOL_REF_IN_BLOCK_P.
4310 (SYMBOL_REF_BLOCK): Likewise.
4311 (SYMBOL_REF_OFFSET): Likewise.
4312 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4313 SYMBOL_REF_IN_BLOCK_P.
4314 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4315 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4316 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4317 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4319 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4321 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4323 2006-03-02 Roger Sayle <roger@eyesopen.com>
4325 * simplify-rtx.c (simplify_unary_operation): When simplifying
4326 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4327 that we perform the right shift in the appropriate mode, and
4328 then extend or truncate the result to requested mode.
4330 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4332 * gengtype.c (main): Handle double_int type.
4333 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4334 * double-int.c: New file.
4335 * double-int.h: New file.
4336 * system.h: Include doubleint.h.
4337 * Makefile.in (SYSTEM_H): Include double-int.h.
4338 (double-int.o): Add.
4340 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4343 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4346 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4348 * tree-vrp.c (remove_range_assertions): Do not update statements
4351 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4353 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4355 * gcse.c (rest_of_handle_gcse): Ditto.
4356 * except.c (gate_handle_eh): Ditto.
4357 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4358 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4360 2006-03-02 Eric Christopher <echristo@apple.com>
4362 * config/i386/i386.c (machopic_output_stub): Add indirection to
4365 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4369 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4371 Sun Niagara specific optimizations.
4372 * config.gcc: Recognize niagara as target.
4373 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4374 (TARGET_CPU_niagara): Define.
4375 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4376 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4377 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4378 (ASM_CPU_SPEC): Likewise.
4379 (PROCESSOR_NIAGARA): New enum entry.
4380 (REGISTER_MOVE_COST): Handle Niagara.
4381 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4382 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4383 (sparc_override_options): Recognize "niagara", set appropriate
4384 default MASK_* values for it, and align functions to 32-bytes
4385 by default just like ULTRASPARC/ULTRASPARC3.
4386 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4387 (sparc64_initialize_trampoline): Likewise.
4388 (sparc_use_sched_lookahead): Use zero for niagara.
4389 (sparc_issue_rate): Use one for niagara.
4390 * config/sparc/niagara.md: New file.
4391 * config/sparc/sparc.md: Include it.
4392 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4393 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4394 when default cpu is niagara.
4395 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4396 (ASM_CPU_SPEC): Likewise.
4397 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4398 when default cpu is niagara.
4399 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4400 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4401 just like v9/ultrasparc/ultrasparc3.
4402 * doc/invoke.texi: Add documentation for "niagara" and improve
4403 existing documentation for ultrasparc variants.
4405 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4407 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4409 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4411 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4412 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4413 and say that only one is needed.
4414 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4415 * target.h (have_switchable_bss_sections): New hook.
4416 * explow.c (use_anchored_address): Check that the symbol is in a block.
4417 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4418 (bss_noswitch_section): New variables.
4419 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4420 (get_noswitch_section): New function.
4421 (get_block_for_section): Allow SECT to be null.
4422 (unlikely_text_section_p): Use SECTION_STYLE.
4423 (bss_initializer_p): New function.
4424 (get_variable_section): Move earlier in file. Take a new argument,
4425 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4426 Return one of the new *_sections in such cases.
4427 (get_block_for_decl): New function, extracting some logic from
4428 use_blocks_for_decl_p.
4429 (change_symbol_section): Remove in favor of...
4430 (change_symbol_block): ...this new function.
4431 (use_blocks_for_decl_p): Remove checks now performed by
4433 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4434 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4435 (emit_local, emit_bss, emit_common): ...these new functions.
4436 Return true if the alignment was honored.
4437 (emit_tls_common): New function.
4438 (asm_emit_uninitialised): Delete.
4439 (assemble_variable_noswitch): New function, split out from...
4440 (assemble_variable): ...here. Don't make decisions about common
4441 variables here. Globalize all public decls that go into non-common
4442 sections. Check whether SYMBOL_REF_BLOCK is null.
4443 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4444 (output_constant_pool): Likewise.
4445 (init_varasm_once): Initialize the new section variables.
4446 (have_global_bss_p): New function.
4447 (categorize_decl_for_section): Use bss_initializer_p.
4448 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4449 (place_block_symbol): Assert that the symbol must be in a block.
4450 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4451 (TARGET_INITIALIZER): Include it.
4452 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4453 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4454 (SECTION_MACH_DEP): Bump by two.
4455 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4456 (unnamed_section): Mention SECTION_UNNAMED in comment.
4457 (named_section): Likewise SECTION_NAMED.
4458 (noswitch_section_callback): New type.
4459 (noswitch_section): New structure.
4460 (section): Add a noswitch_section alternative.
4461 (SECTION_STYLE): New macro.
4462 (tls_comm_section, comm_section, lcomm_section): Declare.
4463 (bss_noswitch_section, have_global_bss_p): Declare.
4464 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4465 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4467 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4468 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4471 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4473 * gcc/tree-vrp.c (execute_vrp): Return value.
4474 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4475 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4476 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4477 (tree_lower_complex_O0): Ditto.
4478 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4479 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4480 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4481 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4482 (execute_tail_calls): Ditto.
4483 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4484 * gcc/tree.h (init_function_for_compilation): Ditto.
4485 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4486 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4487 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4488 * gcc/final.c (compute_alignments): Ditto.
4489 (rest_of_handle_final): Ditto.
4490 (rest_of_handle_shorten_branches): Ditto.
4491 (rest_of_clean_state): Ditto.
4492 * gcc/omp-low.c (execute_expand_omp): Ditto.
4493 (execute_lower_omp): Ditto.
4494 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4495 * gcc/ipa-reference.c (static_execute): Ditto.
4496 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4497 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4498 (rest_of_handle_machine_reorg): Ditto.
4499 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4500 * gcc/flow.c (recompute_reg_usage): Ditto.
4501 (rest_of_handle_remove_death_notes): Ditto.
4502 (rest_of_handle_life): Ditto.
4503 (rest_of_handle_flow2): Ditto.
4504 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4505 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4506 (do_ssa_store_ccp): Ditto.
4507 (execute_fold_all_builtins): Ditto.
4508 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4509 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4510 * gcc/ipa-pure-const.c (static_execute): Ditto.
4511 * gcc/cse.c (rest_of_handle_cse): Ditto.
4512 (rest_of_handle_cse2): Ditto.
4513 * gcc/web.c (rest_of_handle_web): Ditto.
4514 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4515 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4516 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4517 * gcc/tree-nrv.c (tree_nrv): Ditto.
4518 (execute_return_slot_opt): Ditto.
4519 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4520 (create_structure_vars): Ditto.
4521 * gcc/loop-init.c (rtl_loop_init): Ditto.
4522 (rtl_loop_done): Ditto.
4523 (rtl_move_loop_invariants): Ditto.
4524 (rtl_unswitch): Ditto.
4525 (rtl_unroll_and_peel_loops): Ditto.
4526 (rtl_doloop): Ditto.
4527 * gcc/gimple-low.c (lower_function_body): Ditto.
4528 (mark_used_blocks): Ditto.
4529 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4530 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4531 (cgraph_early_inlining): Ditto.
4532 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4533 * gcc/jump.c (cleanup_barriers): Ditto.
4534 (purge_line_number_notes): Ditto.
4535 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4536 (rest_of_handle_if_after_reload): Ditto.
4537 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4538 (tree_ssa_loop_im): Ditto.
4539 (tree_ssa_loop_unswitch): Ditto.
4540 (tree_vectorize): Ditto.
4541 (tree_linear_transform): Ditto.
4542 (tree_ssa_loop_ivcanon): Ditto.
4543 (tree_ssa_empty_loop): Ditto.
4544 (tree_ssa_loop_bounds): Ditto.
4545 (tree_complete_unroll): Ditto.
4546 (tree_ssa_loop_prefetch): Ditto.
4547 (tree_ssa_loop_ivopts): Ditto.
4548 (tree_ssa_loop_done): Ditto.
4549 * gcc/predict.c (tree_estimate_probability): Ditto.
4550 * gcc/recog.c (split_all_insns_noflow): Ditto.
4551 (rest_of_handle_peephole2): Ditto.
4552 (rest_of_handle_split_all_insns): Ditto.
4553 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4554 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4555 (rest_of_handle_stack_adjustments): Ditto.
4556 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4557 * gcc/function.c (instantiate_virtual_regs): Ditto.
4558 (init_function_for_compilation): Ditto.
4559 (rest_of_handle_check_leaf_regs): Ditto.
4560 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4561 (rest_of_handle_gcse): Ditto.
4562 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4563 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4564 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4565 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4566 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4567 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4568 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4569 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4570 * gcc/except.c (set_nothrow_function_flags): Ditto.
4571 (convert_to_eh_region_ranges): Ditto.
4572 (rest_of_handle_eh): Ditto.
4573 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4574 (remove_unnecessary_notes): Ditto.
4575 * gcc/except.h (set_nothrow_function_flags): Ditto.
4576 (convert_to_eh_region_ranges): Ditto.
4577 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4578 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4579 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4580 (execute_fre): Ditto.
4581 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4582 (rest_of_handle_jump2): Ditto.
4583 * gcc/tree-sra.c (tree_sra): Ditto.
4584 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4585 (execute_mudflap_function_decls): Ditto.
4586 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4587 (do_store_copy_prop): Ditto.
4588 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4589 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4590 * gcc/tree-ssa-forwprop.c
4591 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4592 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4593 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4594 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4595 (execute_late_warn_uninitialized): Ditto.
4596 * gcc/rtl.h (cleanup_barriers): Ditto.
4597 (split_all_insns_noflow): Ditto.
4598 (purge_line_number_notes): Ditto.
4599 (unshare_all_rtl): Ditto.
4600 (remove_unnecessary_notes): Ditto.
4601 (recompute_reg_usage): Ditto.
4602 (variable_tracking_main): Ditto.
4603 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4604 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4605 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4606 (execute_free_cfg_annotations): Ditto.
4607 (execute_fixup_cfg): Ditto.
4608 (execute_cleanup_cfg_pre_ipa): Ditto.
4609 (execute_cleanup_cfg_post_optimizing): Ditto.
4610 (execute_init_datastructures): Ditto.
4611 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4612 * gcc/combine.c (rest_of_handle_combine): Ditto.
4613 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4614 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4615 (rest_of_handle_reorder_blocks): Ditto.
4616 (rest_of_handle_partition_blocks): Ditto.
4617 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4618 * gcc/tree-profile.c (tree_profiling): Ditto.
4619 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4620 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4621 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4622 (rest_of_handle_sched2): Ditto.
4623 * gcc/basic-block.h (free_bb_insn): Ditto.
4624 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4625 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4626 (remove_useless_stmts): Ditto.
4627 (split_critical_edges): Ditto.
4628 (execute_warn_function_return): Ditto.
4629 (execute_warn_function_noreturn): Ditto.
4630 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4631 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4632 * gcc/passes.c (execute_one_pass): Run additional
4633 todos returned by execute function.
4634 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4637 2006-03-02 Richard Guenther <rguenther@suse.de>
4639 * tree-ssa-alias.c (find_used_portions): Consider taking
4640 the address as making the variable not write-only.
4642 2006-03-02 Nick Clifton <nickc@redhat.com>
4644 * config.gcc (default_use_cxa_atexit): Extend the description of
4645 this configure variable. Set its default value to "yes" for
4646 Linux, NetBSD and ELF targets on the assumption that they will
4647 use C libraries with the __cxa_atexit function.
4649 2006-03-02 Ben Elliston <bje@au.ibm.com>
4651 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4652 parameter as unused to suppress a build warning.
4654 2006-03-02 Ben Elliston <bje@au.ibm.com>
4656 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4659 2006-03-01 Roger Sayle <roger@eyesopen.com>
4662 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4663 declared name, the weak reference name, and the typeof name.
4664 (__gthrw): Avoid expanding the declared name suffix.
4665 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4667 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4669 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4671 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4672 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4673 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4674 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4675 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4676 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4677 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4678 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4679 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4680 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4681 (DW_END_default, DW_END_big, DW_END_little): New.
4682 (DW_END_lo_user, DW_END_hi_user): Define.
4683 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4684 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4685 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4688 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4690 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4692 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4694 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4696 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4698 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4699 to 'symbol_mem_tag'.
4701 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4704 2006-03-01 Roger Sayle <roger@eyesopen.com>
4706 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4708 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4711 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4712 MACHO_DYNAMIC_NO_PIC_P.
4713 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4715 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4718 * config/darwin-protos.h (darwin_asm_output_anchor):
4720 * config/darwin-sections.def (cstring_section):
4721 Add SECTION_MERGE to the flags.
4722 (literal4_section): Likewise.
4723 (literal8_section): Likewise.
4724 (objc_selector_refs_section): Likewise.
4725 (objc_cls_refs_section): Likewise.
4726 * config/darwin.c (darwin_asm_output_anchor): New
4728 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4730 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4732 Fix PR tree-optimization/26443
4733 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4734 to todo and PROP_tmt_usage to properties_destroyed.
4735 * tree-ssa-ccp.c (pass_ccp): Ditto.
4736 (pass_store_ccp): Ditto.
4737 * tree-ssa-dom.c (pass_dominator): Ditto.
4739 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4741 * tree-ssa-operands.c: Cleanup whitespace.
4742 (get_asm_expr_operands): Move before first invocation.
4743 (get_indirect_ref_operands): Likewise.
4744 (get_tmr_operands): Likewise.
4745 (get_call_expr_operands): Likewise.
4746 (append_def): Likewise.
4747 (append_use): Likewise.
4748 (append_v_may_def): Likewise.
4749 (append_v_must_def): Likewise.
4750 (add_call_clobber_ops): Likewise.
4751 (add_call_read_ops): Likewise.
4752 (add_stmt_operand): Likewise.
4753 (add_virtual_operand): Likewise.
4754 (build_ssa_operands): Likewise.
4756 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4761 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4762 with a call expr to ...
4763 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4765 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4767 * tree-vrp.c (extract_range_from_assert): Remove special
4768 handling for types with super-types.
4770 2006-03-01 Ben Elliston <bje@au.ibm.com>
4772 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4773 and powerpc64-*-linux* configurations.
4774 * config/t-dfprules: New file.
4776 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4777 Compile dfp-bit.c from the source directory using -DWIDTH and
4778 $DFP_CFLAGS to control the compilation of that file, rather than
4779 generating width-specific versions in the build directory.
4780 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4781 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4783 2006-02-28 Zack Weinberg <zackw@panix.com>
4785 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4788 2006-02-28 Eric Christopher <echristo@apple.com>
4790 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4791 Set up IN_LIBGCC definition of TARGET_64BIT.
4792 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4794 2006-02-28 Roger Sayle <roger@eyesopen.com>
4797 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4798 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4799 cases via the construction of "expr != 0".
4801 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4803 * alias.c (alias_invariant, alias_invariant_size): Remove.
4804 (record_base_value): Remove.
4805 (memrefs_conflict_p): Don't look at alias_invariant.
4806 (end_alias_analysis): Don't free it.
4807 * alias.h (record_base_value): Remove prototype.
4809 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4810 Adam Nemet <anemet@caviumnetworks.com>
4812 * rtl.h (truncated_to_mode): Declare it.
4813 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4814 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4815 (RTL_HOOKS_INITIALIZER): Include it.
4816 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4817 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4818 reg_truncated_to_mode.
4819 * rtlanal.c (truncated_to_mode): Define it.
4820 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4822 2006-02-28 Jeff Law <law@redhat.com>
4824 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4825 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4826 the range allowed by TYPE_PRECISION.
4828 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4830 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4832 PR tree-optimization/26419
4833 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4836 2006-02-27 Zack Weinberg <zackw@panix.com>
4838 * doc/md.texi: Fix typo in previous change.
4840 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4844 2006-02-27 Zack Weinberg <zackw@panix.com>
4846 * rtl.def (define_constraint, define_register_constraint)
4847 (define_memory_constraint, define_address_constraint): New MD forms.
4848 * gensupport.c (process_rtx): Put define_constraint etc on the
4850 * genpreds.c (process_define_predicate): Adjust comment. Validate
4851 the name, and call validate_exp to validate the expression.
4852 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4853 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4854 all callers changed.
4855 (validate_exp, needs_variable, struct constraint_data)
4856 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4857 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4858 (const_dbl_constraints, constraint_max_namelen)
4859 (have_register_constraints, have_memory_constraints)
4860 (have_address_constraints, have_address_constraints)
4861 (have_extra_constraints, have_const_int_constraints)
4862 (have_const_dbl_constraints, mangle, add_constraint)
4863 (process_define_constraint, process_define_register_constraint)
4864 (write_enum_constraint_num, write_lookup_constraint)
4865 (write_insn_constraint_len, write_regclass_for_constraint)
4866 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4867 (write_insn_extra_memory_constraint)
4868 (write_insn_extra_address_constraint)
4869 (write_satisfies_constraint_fns): New.
4870 (write_tm_preds_h): If we have new-style constraint definitions,
4871 prototype the functions generated from them, and define the
4872 old constraint interface (still used by generic code) in terms of
4874 (write_insn_preds_c): If we have new-style constraint definitions,
4875 generate all relevant functions from those definitions.
4876 (main): Handle define_constraint etc.
4877 * genoutput.c (struct constraint_data, indep_constraints)
4878 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4879 (mdep_constraint_len): New data structures and functions, defined
4880 #ifdef USE_MD_CONSTRAINTS.
4881 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4882 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4883 use new logic to validate operand constraints against constraint
4885 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4887 * defaults.h: If none of the old-style constraint macros are
4888 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4889 old-style macros; and poison REG_CLASS_FROM_LETTER,
4890 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4892 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4893 * doc/md.texi: Document new constraint-definition mechanism and the
4894 C interface it provides. Remove references to old mechanism
4895 elsewhere in the document.
4896 (Machine Constraints): Use pathnames relative to gcc directory,
4897 i.e. config/ARCH/FILE. Change i386 section to refer to
4898 config/i386/predicates.md; update that section to match docstrings.
4899 * doc/tm.texi: Move all documentation of the old constraint-
4900 definition macros to their own section, clearly mark as obsolete.
4902 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4903 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4905 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4906 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4907 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4909 (splits and peepholes): Use satisfies_constraint_*.
4910 * config/i386/i386.c (memory_address_length)
4911 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4913 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4915 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4916 scalar operation to be put back into the loop.
4918 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4921 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4922 (extract_cie_info): Handle S flag in augmentation string.
4923 (execute_cfa_program): If context->signal_frame, execute also
4924 fs->pc == context->ra instructions.
4925 (uw_frame_state_for): If context->signal_frame, don't subtract one
4926 from context->ra to find FDE.
4927 (uw_update_context_1): Set context->signal_frame to
4929 (_Unwind_GetIPInfo): New function.
4930 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4931 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4933 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4934 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4935 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4936 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4937 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4938 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4939 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4940 x86_64_fallback_frame_state): Set fs->signal_frame.
4941 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4942 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4943 (frob_update_context): Likewise. Workaround missing S flag in
4944 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4945 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4946 Remove the psw_addr + 1 hack.
4948 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4950 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4951 with aggregates here.
4952 (find_func_aliases): Remove code for &<aggregate> from here.
4954 2006-02-26 Roger Sayle <roger@eyesopen.com>
4956 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4957 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4958 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4961 2006-02-26 Roger Sayle <roger@eyesopen.com>
4964 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4966 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4968 * opts.c (decode_options): Do not handle flag_strength_reduce.
4969 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4970 and OPT_fstrength_reduce.
4971 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4972 flag_prefetch_loop_arrays for being nonzero.
4973 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4975 (fprefetch-loop-arrays-rtl): Removed.
4976 (flag_prefetch_loop_arrays): Do not specify the value.
4978 * doc/passes.texi: Update documentation of loop optimizer
4980 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4981 -frerun-loop-opt): Remove.
4983 2006-02-26 Richard Guenther <rguenther@suse.de>
4985 PR tree-optimization/26421
4986 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4987 in function calls that are ADDR_EXPRs as using the whole structure.
4989 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4991 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4992 * tree-pass.h (pass_loop_optimize): Remove.
4993 * passes.c (pass_loop_optimize): Never run it.
4994 * toplev.c (backend_init): Don't call init_loop.
4995 * opts.c (flag_loop_optimize_set): Remove.
4996 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4997 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4998 the old RTL loop optimizer when profiling enabled.
4999 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5000 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5001 pre-headers for the sake of the old RTL loop optimizer.
5002 * Makefile.in: Remove all references to loop.o.
5004 * doc/invoke.texi: Remove all references to -floop-optimize
5005 and -frerun-loop-opt.
5007 2006-02-26 Zack Weinberg <zackw@panix.com>
5009 * doc/md.texi (Machine Constraints): Refer to all files with paths
5010 relative to gcc directory (i.e. config/CPU/file). Add missing
5011 @table @code ... @end table to M32C subsection.
5013 2006-02-26 Roger Sayle <roger@eyesopen.com>
5015 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5017 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5019 2006-02-26 Roger Sayle <roger@eyesopen.com>
5020 James A. Morrison <phython@gcc.gnu.org>
5023 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5024 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5025 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5026 signedness of the shift operation.
5028 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5030 PR tree-optimization/26359
5031 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5033 2006-02-25 Roger Sayle <roger@eyesopen.com>
5035 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5036 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5037 as X == 0, and some symmetry related transformations.
5038 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5040 2006-02-25 Roger Sayle <roger@eyesopen.com>
5043 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5044 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5045 symmetry related transformations. Fold (X^C1) == C2 as
5048 2006-02-25 Juergen Weigert <jw@suse.de>
5049 Richard Guenther <rguenther@suse.de>
5051 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5053 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5055 * combine.c (gen_lowpart_or_truncate): Call
5056 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5058 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5060 * doc/invoke.texi: Move -fopenmp description to "Options for
5062 Remove reference to -lgomp.
5064 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5066 * doc/install.texi: Require GNU tar version 1.14.
5068 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5070 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5071 * doc/invoke.texi (C++ Dialect Options): Document
5072 -fno-use-cxa-get-exception-ptr.
5073 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5074 * configure: Regenerate.
5075 * c.opt (fuse-cxa-get-exception-ptr): New.
5076 * c-opts.c (c_common_handle_option): Handle
5077 OPT_fuse_cxa_get_exception_ptr.
5078 * c-common.c (flag_use_cxa_atexit): Update documentation.
5079 (flag_use_cxa_get_exception_ptr): New.
5080 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5081 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5083 (C_COMMON_OVERRIDE_OPTIONS): New.
5085 2006-02-24 Roger Sayle <roger@eyesopen.com>
5088 * combine.c (try_combine): Explicitly check whether GET_CODE is
5089 a SET or a CLOBBER, instead on checking that it isn't a USE.
5091 2006-02-24 Roger Sayle <roger@eyesopen.com>
5093 * fold-const.c (fold_comparison): New subroutine of fold_binary
5094 containing transformations common to both the equality and
5095 ordering relational operators, factored out of fold_binary.
5096 (fold_binary): Separate out the equality operators (EQ_EXPR
5097 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5098 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5099 transformations common to both.
5100 (fold_div_compare): Fix latent bugs in the previously unreachable
5101 LT_EXPR and GE_EXPR cases.
5103 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5105 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5106 decl libname for clog to __clog on AIX.
5108 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5110 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5113 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5114 output traceback table for thunks. Localise rs6000_stack_info call.
5116 2006-02-23 Roger Sayle <roger@eyesopen.com>
5117 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5119 * gthr-posix.h (__gthrw): Fix typo in comment.
5121 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5123 * doc/cpp.texi (Character sets): Document that we do support
5124 input files to be in any character set.
5126 2006-02-23 Jeff Law <law@redhat.com>
5128 * tree.h (PHI_ARG_NONZERO): Remove.
5129 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5130 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5131 node to the new node.
5133 PR tree-optimization/26425
5134 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5135 min/max, then assume its varying.
5137 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5139 PR rtl-optimization/26316
5140 * rtlanal.c (enum may_trap_p_flags): New.
5141 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5142 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5143 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5144 (may_trap_after_code_motion_p): New function.
5145 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5146 (find_invariant_insn): Use may_trap_after_code_motion_p.
5147 * rtl.h (may_trap_after_code_motion_p): Declare.
5149 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5151 * emit-rtl.c (immed_double_const): Cleanup.
5153 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5155 Fix PR tree-optimization/26376
5156 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5159 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5162 * gimplify.c (omp_add_variable): Guard variable size decl test with
5163 DECL_SIZE (decl) check.
5165 2006-02-23 Richard Guenther <rguenther@suse.de>
5168 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5169 like aggregate types.
5171 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5173 * configure.ac: Add --with{,out}-long-double-128 configure option.
5174 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5175 * configure: Rebuilt.
5176 * config.in: Rebuilt.
5177 * doc/install.texi (Options specification): Document
5178 --with-long-double-128.
5180 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5181 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5182 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5183 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5185 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5187 * config/s390/s390.c (override_options): Handle
5188 TARGET_DEFAULT_LONG_DOUBLE_128.
5190 * config/alpha/alpha.c (override_options): Handle
5191 TARGET_DEFAULT_LONG_DOUBLE_128.
5193 * config/sparc/sparc.c (sparc_override_options): Handle
5194 TARGET_DEFAULT_LONG_DOUBLE_128.
5196 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5198 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5199 (real-install-headers-tar, real-install-headers-cpio)
5200 (real-install-headers-cp): New targets.
5202 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5204 * tree.h (variable_section): Delete.
5205 * varasm.c (variable_section): Delete.
5207 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5209 * install.texi: Add notes on install.texi2html.
5210 (Building in parallel): Do not use footnotes.
5212 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5215 * doc/install.texi (Configuration): Document --disable-libgomp.
5217 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5219 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5221 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5223 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5224 (vec_extractv2df_0_sse): New.
5226 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5228 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5229 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5230 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5231 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5232 to the result of the expression.
5233 (def_cfa_1): Adjust.
5234 (frame_pointer_cfa_offset): Rename to...
5235 (frame_pointer_fb_offset): ... this. Adjust all uses.
5236 (convert_cfa_to_loc_list): Rename to...
5237 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5238 Pass it on to build_cfa_loc.
5239 (compute_frame_pointer_to_cfa_displacement): Rename to...
5240 (compute_frame_pointer_to_fb_displacement): ... this. New
5241 offset parameter. Use it in computation.
5242 (gen_subprogram_die): Compute cfa_fb_offset with the new
5243 macro, and use it to compute the fb loc list and the
5246 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5248 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5249 replaced with register_operand.
5250 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5251 non-DREG is expensive.
5252 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5253 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5256 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5258 * doc/install.texi2html: Use set -e.
5260 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5262 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5263 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5264 * doc/invoke.texi (-fshared-data): Delete.
5265 * common.opt (fshared-data): Delete.
5266 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5267 (assemble_static_space): Remove #if 0 code.
5268 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5269 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5270 * config/cris/cris.h: Remove FIXME.
5272 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5274 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5277 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5280 * combine.c (simplify_shift_const_1): Disable nested shifts
5281 optimization for vector shifts.
5283 2006-02-20 Roger Sayle <roger@eyesopen.com>
5285 PR tree-optimization/26361
5286 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5287 of unsigned integer types.
5289 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5291 * tree-chrec.c (eq_evolutions_p): New.
5292 * tree-chrec.h (eq_evolutions_p): Declared.
5293 * tree-data-ref.c: Fix formatting.
5294 (datadep_stats, dependence_stats): New.
5296 (print_direction_vector): New.
5297 (dump_data_dependence_relation): Use print_direction_vector.
5298 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5299 (compute_subscript_distance): Static.
5300 (initialize_data_dependence_relation): Static. Get the number
5301 of loops surrounding the references from the callers, and initialize
5302 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5303 base_object_differ_p analyzers.
5304 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5305 compute_overlap_steps_for_affine_1_2,
5306 analyze_subscript_affine_affine): Count the classified dependences.
5307 Print a message when a test failed.
5308 (can_use_analyze_subscript_affine_affine): New.
5309 (analyze_siv_subscript): Compute the data dependences on symbolic
5310 scevs that verify can_use_analyze_subscript_affine_affine.
5311 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5312 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5313 Handle symbolic scevs.
5314 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5316 (subscript_dependence_tester): Moved...
5317 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5318 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5319 DDR_SIZE_VECT instead of getting it in parameter.
5320 (subscript_dependence_tester): ... here. Take as a parameter
5321 loop_nest_depth. Call build_classic_dist_vector and
5322 build_classic_dir_vector.
5323 (compute_affine_dependence): Update subscript_dependence_tester
5324 parameters. Update datadep_stats counters. Call
5325 compute_subscript_distance.
5326 (compute_self_dependence): Save the dist and dir vectors. Call
5327 compute_subscript_distance.
5328 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5329 (compute_all_dependences): Reorder parameters as they were before
5330 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5331 compute_subscript_distance. Update the use of
5332 compute_affine_dependence and initialize_data_dependence_relation.
5333 (find_data_references_in_loop): Handle COMPONENT_REF.
5334 (compute_data_dependences_for_loop): Initialize dependence_stats.
5335 Don't call build_classic_dist_vector and build_classic_dir_vector.
5336 Update the parameters of initialize_data_dependence_relation and
5337 compute_all_dependences. Print the statistics from datadep_stats.
5338 (analyze_all_data_dependences): Static. Not used until the pass for
5339 checking the data dependences is contributed.
5340 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5341 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5342 (initialize_data_dependence_relation, compute_affine_dependence,
5343 analyze_all_data_dependences, compute_subscript_distance): Removed.
5344 (print_direction_vector): New.
5345 * lambda.h (gcd): ... here.
5346 (lambda_vector_gcd): Moved here from gcd_vector.
5347 * lambda-code.c (gcd, gcd_vector): Removed.
5348 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5349 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5351 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5353 * ipa-type-escape.c: Tidy some comments and white space.
5354 * tree-ssa-operands.c: Likewise.
5356 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5359 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5360 (dump_decl_name): Do not walk the decl tree chains.
5361 * tree-pass.h (TDF_CHAIN): Remove.
5363 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5365 * Makefile.in (C): Remove
5367 (.PHONY): Remove C and PROTO
5369 2006-02-20 Roger Sayle <roger@eyesopen.com>
5372 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5373 deprecated CHAR_TYPE tree code.
5375 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5377 * configure.ac (target_list): Add install-info, dvi, html.
5378 * configure: Regenerate.
5380 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5381 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5382 treelang/Make-lang.in: Do not use double-colon rules.
5384 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5386 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5387 (TMT_USED_ALONE): New macro.
5388 * tree-pass.h (PROP_tmt_usage): New property.
5389 (TODO_update_tmt_usage): New todo.
5390 * tree-ssa-alias.c (updating_used_alone): New variable.
5391 (recalculate_used_alone): New function.
5392 (compute_may_aliases): Set updating_used_alone, call
5393 recalculate_used_alone.
5394 * tree-sra.c (pass_sra): Note that this pass destroys
5395 PROP_tmt_usage, and add TODO_update_tmt_usage.
5396 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5397 * tree-flow.h (updating_used_alone): Prototype.
5398 (recalculate_used_alone): Ditto.
5399 * passes.c (execute_todo): Add code to set updating_used_alone,
5400 and call recalculate.
5401 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5402 for clobber if used alone, and add assert to verify used_alone
5405 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5407 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5408 for non tls symbols added.
5409 (legitimize_address): Do nothing for PLUS expressions if one of the
5410 addends is a tls symbol reference.
5412 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5416 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5418 * Makefile.in (BOOTSTRAPPING): New.
5419 (quickstrap): New definition if BOOTSTRAPPING=yes.
5421 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5422 * configure.ac: Substitute all_selected_languages with the languages
5423 that were configured. For all the other variables except
5424 lang_specs_files, include all the languages in the tree.
5425 * configure: Regenerate.
5427 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5428 if there is one. Run the commands to run fixincludes in the same
5431 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5432 * doc/install.texi: Document exact conventions for searching target tools.
5433 Document --with-build-time-tools. Document toplevel bootstrap. Document
5434 something more about building an Ada cross-compiler. Don't list GNU Make
5435 requirements which affect all platforms.
5437 2006-02-19 Roger Sayle <roger@eyesopen.com>
5440 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5441 only equivalent if the have both the same mode and precision.
5443 2006-02-20 Ben Elliston <bje@au.ibm.com>
5445 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5447 2006-02-19 Roger Sayle <roger@eyesopen.com>
5448 Steven Bosscher <stevenb.gcc@gmail.com>
5450 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5451 constant pool references to identify stack mode constants.
5452 * rtlanal.c (constant_pool_constant_p): New predicate to check
5453 whether operand is a floating point constant in the pool.
5454 * rtl.h (constant_pool_constant_p): Prototype here.
5455 * loop.c (scan_loop): Avoid hoisting constants from the constant
5456 pool on STACK_REGS targets.
5457 (load_mems): Likewise.
5458 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5459 loads into x87 registers expensive in terms of register pressure.
5461 2006-02-19 Roger Sayle <roger@eyesopen.com>
5463 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5464 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5466 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5468 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5469 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5471 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5473 * doc/invoke.texi: Document -fipa-pta.
5474 * common.opt: Add ipa-pta option.
5475 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5476 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5477 (do_ds_constraint): Ditto.
5478 (get_constraint_for): Only add to referenced_vars if
5479 referenced_vars exists.
5480 (insert_into_field_list): Rewrite to do this unsorted.
5481 (insert_into_field_list_sorted): Rename old insert_into_field_list
5483 (create_function_info_for): Use insert_into_field_list_sorted.
5484 (create_variable_info_for): Rewrite so it uses unsorted version,
5485 since the field list is sorted.
5486 (intra_create_variable_infos): Only add to referenced_vars if
5487 referenced_vars exists.
5488 (ipa_pta_execute): Init heapvars, and delete when done.
5489 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5491 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5493 * doc/install.texi: Add missing `@samp'.
5495 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5497 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5500 2006-02-18 Mark Wielaard <mark@klomp.org>
5502 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5503 who added new 4.1 features, bug fixes and integration support.
5505 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5508 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5511 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5513 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5514 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5515 (copy_insn_1): Likewise. Don't copy each field individually.
5517 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5519 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5520 * rtl.c (rtx_size): Rename variable to...
5521 (rtx_code_size): ...this.
5522 (rtx_size): New function.
5523 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5524 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5526 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5527 * rtl.h (rtx_code_size): New variable.
5528 (rtx_size): Change from a variable to a function.
5529 (RTX_SIZE): Rename to...
5530 (RTX_CODE_SIZE): ...this.
5533 PR tree-optimization/17106
5534 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5535 (Anchored Addresses): New section.
5536 * doc/invoke.texi (-fsection-anchors): Document.
5537 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5538 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5539 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5540 * hooks.c (hook_bool_mode_rtx_false): New function.
5541 * hooks.h (hook_bool_mode_rtx_false): Declare.
5542 * gengtype.c (create_optional_field): New function.
5543 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5544 SYMBOL_REF_IN_BLOCK_P is true.
5545 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5546 (min_anchor_offset, max_anchor_offset): Likewise.
5547 (use_anchors_for_symbol_p): New hook.
5548 * toplev.c (compile_file): Call output_object_blocks.
5549 (target_supports_section_anchors_p): New function.
5550 (process_options): Check that -fsection-anchors is only used on
5551 targets that support it and when -funit-at-a-time is in effect.
5552 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5553 if the decl doesn't have one.
5554 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5555 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5556 of force_const_mem through use_anchored_address.
5557 (expand_expr_constant): New function.
5558 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5559 calling expand_expr for INDIRECT_REF.
5560 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5561 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5562 * expr.h (use_anchored_address): Declare.
5563 * loop-unroll.c: Don't declare rtx vectors here.
5564 * explow.c: Include output.h.
5565 (validize_mem): Call use_anchored_address.
5566 (use_anchored_address): New function.
5567 * common.opt (-fsection-anchors): New switch.
5568 * varasm.c (object_block_htab, anchor_labelno): New variables.
5569 (hash_section, object_block_entry_eq, object_block_entry_hash)
5570 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5571 (use_blocks_for_decl_p, change_symbol_section): New functions.
5572 (get_variable_section): New function, split out from assemble_variable.
5573 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5574 use_blocks_for_decl_p say so. Use change_symbol_section if the
5575 symbol has already been created.
5576 (assemble_variable_contents): New function, split out from...
5577 (assemble_variable): ...here. Don't output any code for
5578 block symbols; just pass them to place_block_symbol.
5579 Use get_variable_section and assemble_variable_contents.
5580 (get_constant_alignment, get_constant_section, get_constant_size): New
5581 functions, split from output_constant_def_contents.
5582 (build_constant_desc): Create a block symbol if use_object_blocks_p
5583 says so. Or into SYMBOL_REF_FLAGS.
5584 (assemble_constant_contents): New function, split from...
5585 (output_constant_def_contents): ...here. Don't output any code
5586 for block symbols; just pass them to place_section_symbol.
5587 Use get_constant_section and get_constant_alignment.
5588 (force_const_mem): Create a block symbol if use_object_blocks_p and
5589 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5590 (output_constant_pool_1): Add an explicit alignment argument.
5591 Don't switch sections here.
5592 (output_constant_pool): Adjust call to output_constant_pool_1.
5593 Switch sections here instead. Don't output anything for block symbols;
5594 just pass them to place_block_symbol.
5595 (init_varasm_once): Initialize object_block_htab.
5596 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5597 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5598 (place_block_symbol, get_section_anchor, output_object_block)
5599 (output_object_block_htab, output_object_blocks): New functions.
5600 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5601 (TARGET_ASM_OUT): Include it.
5602 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5603 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5604 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5605 (TARGET_INITIALIZER): Include them.
5606 * rtl.c (rtl_check_failed_block_symbol): New function.
5607 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5608 (block_symbol, object_block): New structures.
5609 (rtx_def): Add a block_symbol field to the union.
5610 (BLOCK_SYMBOL_CHECK): New macro.
5611 (rtl_check_failed_block_symbol): Declare.
5612 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5613 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5614 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5615 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5616 * output.h (output_section_symbols): Declare.
5617 (object_block): Name structure.
5618 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5619 (default_use_anchors_for_symbol_p): Declare.
5620 * Makefile.in (RTL_BASE_H): Add vec.h.
5621 (explow.o): Depend on output.h.
5622 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5623 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5624 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5625 (rs6000_use_blocks_for_constant_p): New function.
5627 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5629 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5631 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5634 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5637 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5639 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5643 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5646 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5647 instead of DECL_REGISTER.
5649 2006-02-18 Olivier Hainque <hainque@adacore.com>
5652 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5654 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5657 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5658 * opth-gen.awk: Handle Var and InverseMask together.
5659 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5660 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5661 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5662 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5664 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5665 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5666 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5667 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5668 LINUX_DYNAMIC_LINKER): Define.
5669 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5670 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5672 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5673 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5674 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5675 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5676 (TARGET_C99_FUNCTIONS): Don't define.
5677 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5678 GLIBC_DYNAMIC_LINKER.
5679 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5680 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5681 GLIBC_DYNAMIC_LINKER64): Define.
5682 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5683 LINUX_DYNAMIC_LINKER64.
5684 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5685 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5686 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5687 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5688 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5689 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5690 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5691 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5692 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5693 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5694 and LINUX_DYNAMIC_LINKER32.
5695 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5696 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5697 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5698 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5699 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5701 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5702 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5703 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5704 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5705 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5706 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5707 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5708 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5709 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5710 LINUX_DYNAMIC_LINKER): Define.
5711 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5712 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5713 GLIBC_DYNAMIC_LINKER64): Define.
5714 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5715 LINUX_DYNAMIC_LINKER64.
5716 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5717 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5718 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5719 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5720 LINUX_DYNAMIC_LINKER): Define.
5721 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5722 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5723 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5724 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5725 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5726 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5727 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5728 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5729 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5730 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5731 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5732 * doc/invoke.texi (-muclibc): Remove caveat about supported
5735 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5737 * doc/cpp.texi (__TIMESTAMP__): Document.
5739 2006-02-17 Roger Sayle <roger@eyesopen.com>
5742 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5743 C is one less than the width of X (and related transformations).
5744 * simplify-rtx.c (simplify_unary_operation_1): Transform
5745 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5746 depending on STORE_FLAG_VALUE, were C is one less then the
5749 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5751 Fix PR tree-optimization/26341
5752 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5753 about NAME_MEMORY_TAG's.
5755 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5758 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5759 with hardware float support, and software float support. Add fcpy
5760 alternative to hardware patterns. Add alternatives to copy between
5761 general and floating-point registers to the 32-bit pattern.
5762 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5763 secondary reload to load a QI or HI mode constant into a floating
5765 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5766 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5768 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5771 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5773 (load_macho_picbase_di): Likewise.
5775 2006-02-16 Jeff Law <law@redhat.com>
5777 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5778 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5779 (ssa_name_nonzero_p): Likewise.
5780 (get_value_range): Return NULL if VRP is not running.
5781 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5782 VRP routines do not discover a range.
5783 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5784 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5785 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5786 (tree_expr_nonnegative_p): Similarly.
5787 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5788 (restore_nonzero_vars_to_original_value): Remove.
5789 (unsafe_associative_fp_binop): Remove.
5790 (tree_ssa_dominator_optimize): Remove initialization and
5791 finalization of nonzero_vars and nonzero_vars_stack.
5792 (dom_opt_initialize_block): No longer push marker on
5794 (dom_opt_finalize_block): No longer call
5795 restore_nonzero_vars_to_original_value.
5796 (record_equivalences_from_phis): No longer look for
5797 nonzero PHI arguments.
5798 (cprop_into_successor_phis): No longer propagate nonzero
5799 property into PHI arguments. Lose unused argument. Caller
5801 (record_equivalences_from_stmt): No longer record nonzero
5802 values for SSA_NAMEs.
5803 (lookup_avail_expr): No longer use nonzero_vars.
5805 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5806 for sizetype when sizetype is unsigned.
5808 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5810 PR rtl-optimization/25603
5811 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5812 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5813 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5814 with new meaning of SETS.
5816 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5821 * config/linux.opt: New file.
5822 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5823 LINUX_DYNAMIC_LINKER): Define.
5824 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5825 * config.gcc (*-*-linux*): Define extra_options.
5826 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5827 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5828 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5829 GLIBC_DYNAMIC_LINKER.
5830 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5831 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5832 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5833 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5834 * doc/invoke.texi (GNU/Linux Options): New section.
5836 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5838 * config/sparc/sparc.md (setjmp): Rewrite.
5839 (setjmp_32): Delete.
5840 (setjmp_64): Likewise.
5842 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5844 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5847 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5849 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5852 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5854 PR rtl-optimization/26296
5855 * Makefile.in (loop-invariant.c): Add except.h dependency.
5856 * loop-invariant.c: Include except.h.
5857 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5859 2005-02-16 Paul Brook <paul@codesourcery.com>
5861 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5864 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5866 PR rtl-optimization/25636
5867 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5868 when deciding whether an insn is an initializing insn.
5870 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5872 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5873 (tree_code_size): Ditto.
5874 * tree.h (struct tree_memory_tag): Remove parent_var.
5875 (struct tree_struct_field_tag): New.
5878 (union tree_node): Add sft member.
5879 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5881 (create_sft): Add size and offset argument, set SFT_OFFSET and
5883 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5884 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5885 * tree-flow-inline.h (get_subvar_at): Update for
5886 SFT_OFFSET/SFT_SIZE.
5887 (var_can_have_subvars): Ditto.
5888 (overlap_subvar): Ditto.
5889 * print-tree.c (print_node): Print out interesting things for
5891 * tree-flow.h (struct subvar): Remove offset and size members.
5892 * tree-ssa-operands.c (get_expr_operands): Update for
5893 get_indirect_ref_operands changes.
5894 (get_indirect_ref_operands): Call add_virtual_operand instead of
5895 add_stmt_operand. Only recurse on base var if requested.
5896 (access_can_touch_variable): New function.
5897 (add_stmt_operand): Split virtual operand handling into ...
5898 (add_virtual_operand): Here. Add offset, size, and for_clobber
5899 arguments. Prune alias sets.
5900 (add_call_clobber_ops): Call add_virtual_operand.
5902 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5905 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5907 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5908 than TREE_CODE as index into omp_clause_num_ops array.
5910 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5912 PR rtl-optimization/26184
5913 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5915 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5916 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5917 must_precede, must_follow and tobe_scheduled.
5920 * opts.c (common_handle_option): Free new_option pointer.
5921 * df-core.c (df_analyze): Free postorder pointer.
5923 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5925 * Makefile.in: Fix the examples about the use of stamps
5927 2006-02-15 Michael Matz <matz@suse.de>
5931 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5932 influenced by maximum_field_alignment or DECL_PACKED.
5933 (update_alignment_for_field): Ditto.
5934 (place_field): Ditto.
5935 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5938 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5940 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5941 (debug_flow_info): Pass it.
5942 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5943 * bb-reorder.c (reorder_basic_blocks): Likewise.
5944 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5945 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5946 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5947 * gcse.c (gcse_main, bypass_jumps): Likewise.
5948 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5949 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5950 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5951 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5952 * rtl.h (dump_flow_info): Adjust prototype.
5953 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5954 * var-tracking.c (variable_tracking_main): Likewise.
5955 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5956 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5959 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5961 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5964 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5966 PR tree-optimization/26209
5967 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5968 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5970 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5972 2006-02-14 Roger Sayle <roger@eyesopen.com>
5975 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5976 (X,Y) and the corresponding symmetry related transformations.
5977 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5978 (X,Y) and its symmetry related transformations.
5980 2006-02-14 Roger Sayle <roger@eyesopen.com>
5982 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5985 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5987 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5989 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5992 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5993 support COMDAT group.
5994 * configure: Regenerate.
5996 2006-02-14 Roger Sayle <roger@eyesopen.com>
6001 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6003 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6005 Fix PR tree-optimization/26260
6007 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6009 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6010 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6011 * tree-ssa-structalias.c (create_variable_info_for): Use
6012 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6014 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6016 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6018 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6019 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6020 of the ending condition.
6021 * tree-ssa-loop-manip.c: Include params.h.
6022 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6023 tree_unroll_loop): New functions.
6024 * tree-pass.h (pass_loop_prefetch): Declare.
6025 * loop.c (rest_of_handle_loop_optimize): Test for
6026 -fprefetch-loop-arrays-rtl.
6027 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6028 * timevar.def (TV_TREE_PREFETCH): New timevar.
6029 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6030 pass_loop_prefetch): New.
6031 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6032 (cleanup_tree_cfg_loop): Call scev_reset.
6033 * common.opt (fprefetch-loop-arrays-rtl): Add.
6034 * tree-ssa-loop-prefetch.c: New file.
6035 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6036 (new_temp_expr_table): Initialize expr_vars.
6037 (free_temp_expr_table): Cleanup expr_vars.
6038 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6039 expressions from being merged into one.
6040 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6041 (struct tree_niter_desc): Add control, bound and cmp fields.
6042 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6044 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6045 (tree-cfgcleanup.o): Add SCEV_H dependency.
6046 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6047 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6049 2006-02-14 Richard Guenther <rguenther@suse.de>
6051 PR tree-optimization/26258
6052 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6053 in PHI argument processing.
6055 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6057 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6058 new expression in the requested machine mode.
6060 2006-02-13 Roger Sayle <roger@eyesopen.com>
6062 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6063 directly, instead let do_compare_rtx_and_jump handle this for us.
6064 * expr.c (expand_expr_real_1): Likewise.
6065 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6066 before do_jump_by_parts_greater.
6067 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6068 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6070 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6072 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6074 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6076 PR rtl-optimization/26235
6077 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6078 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6081 2006-02-13 Jeff Law <law@redhat.com>
6083 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6086 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6089 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6090 twice if decl is a builtin. When trying again, call get_callee_fndecl
6091 first to verify it is still a builtin.
6093 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6095 * dwarf2out.c (base_type_die): Don't add AT_name here.
6096 (subrange_type_die): Don't add AT_name here.
6097 (modified_type_die): Rearrange code flow. Do add AT_name here.
6099 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6101 PR rtl-optimization/26247
6102 PR rtl-optimization/26248
6103 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6105 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6107 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6108 * config/fixtfdi.c: Likewise.
6109 * config/fixunstfdi.c: Likewise.
6110 * config/floatditf.c: Likewise.
6112 2006-02-13 Roger Sayle <roger@eyesopen.com>
6115 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6116 into (X,C2) if C1 is a subset of the bits of C2. Transform
6117 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6119 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6121 2006-02-13 Josh Conner <jconner@apple.com>
6124 * varasm.c (function_section): Check for section name before
6125 calling select_section on targets that define
6126 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6127 unlikely_text_section instead of hot_function_section if
6128 first_function_block_is_cold.
6130 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6133 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6135 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6137 PR rtl-optimization/26222
6138 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6139 after tree->rtl expansion.
6140 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6141 before passing it to emit_move_insn.
6143 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6145 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6147 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6148 Clarify documentation.
6149 * c-common.h (warn_write_strings): Remove.
6150 * c-common.c (warn_write_strings): Likewise.
6151 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6154 2006-02-12 Roger Sayle <roger@eyesopen.com>
6157 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6158 (do_jump_parts_zero_rtx): New function renamed from
6159 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6160 (do_jump_parts_equality_rtx): New function split out from
6161 do_jump_parts_equality. Old implementation renamed as above.
6162 Call do_jump_parts_zero_rtx if either operand is zero.
6163 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6164 do all of the heavy lifting.
6165 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6166 calling either do_jump_by_parts_greater_rtx or
6167 do_jump_by_parts_equality_rtx.
6168 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6169 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6170 moved to do_compare_rtx_and_jump, call it directly.
6171 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6172 mode argument. Call do_compare_rtx_and_jump.
6173 (emit_case_nodes): Update calls to do_jump_if_equal.
6175 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6177 PR rtl-optimization/26225
6178 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6180 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6182 PR rtl-optimization/26232
6183 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6185 2006-02-11 Jason Merrill <jason@redhat.com>
6188 * tree-inline.c (declare_return_variable): Just don't use the
6189 modify target if it's a gimple complex reg and the return slot
6192 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6194 * doc/contrib.texi: Update my entry.
6196 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6198 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6200 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6202 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6205 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6207 * doc/invoke.texi (-floop-optimize2): Removed.
6208 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6209 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6210 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6211 * common.opt (floop-optimize2): Removed.
6212 (fmove-loop-invariants): Enabled by default.
6214 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6216 * tree-if-conv.c (combine_blocks): Free the result of
6217 get_loop_exit_edges.
6219 2006-02-10 Jeff Law <law@redhat.com>
6221 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6223 PR tree-optimization/26213
6224 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6225 loop trying to follow SSA_NAME_VALUE chains.
6227 2006-02-10 Richard Guenther <rguenther@suse.de>
6229 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6230 deal with structures that end in implicitly variable sized arrays.
6232 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6234 PR rtl-optimization/24762
6235 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6238 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6240 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6241 (struct ivopts_data): Add regs_used field.
6242 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6243 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6244 instead of loop_data->regs_used;
6245 (free_loop_data): Do not free aux fields for loops.
6246 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6247 and tree_ssa_iv_optimize_finalize.
6249 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6251 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6253 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6256 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6257 computing the effective result type.
6259 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6262 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6263 (tree_overlaps_hard_reg_set): Declare.
6264 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6265 type and signature to match function type expected by walk_tree.
6266 (tree_overlaps_hard_reg_set): New function.
6267 (decl_conflicts_with_clobbers_p): Rename to:
6268 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6269 Use tree_overlaps_hard_reg_set. Changed caller.
6270 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6271 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6272 * cris.c (cris_md_asm_clobbers): Likewise.
6274 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6276 * reload1.c (emit_input_reload_insns): Delete code that tries to
6277 inherit using find_equiv_reg.
6279 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6281 * c-common.h (flag_const_strings): Don't declare.
6282 * c-common.c (flag_const_strings): Remove.
6283 * c.opt (fconst_strings): Remove.
6284 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6285 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6286 (c_common_init_options): Don't set flag_const_strings.
6287 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6289 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6291 * arm.md (tlobits_cbranch): New pattern.
6292 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6293 testing a single bit.
6295 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6298 * tree-ssa-pre.c (create_component_ref_by_pieces):
6299 Handle RETURN_DECL like VAR_DECL.
6301 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6304 * fold-const.c (fold_indirect_ref_1): Fold
6305 "*(foo *)&complexfoo" to "__real__ complexfoo"
6306 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6308 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6310 * tree-flow-inline.h (var_can_have_subvars):
6311 Volatile variables should not have subvariables.
6313 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6316 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6317 multiplying unsigned values.
6320 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6322 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6324 2006-02-08 Jason Merrill <jason@redhat.com>
6327 * tree.def: Elaborate on difference from MODIFY_EXPR.
6328 * doc/c-tree.texi (INIT_EXPR): Likewise.
6329 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6330 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6331 (gimplify_target_expr): Likewise.
6332 (gimplify_cond_expr): Remove target handling.
6333 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6334 (gimplify_expr): Clobber it here.
6335 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6336 Do return slot optimization if we have an INIT_EXPR.
6339 * tree-inline.c (declare_return_variable): Also clear
6340 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6343 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6346 * gimplify.c (gimplify_one_sizepos): Fix typo.
6348 2006-02-08 Jeff Law <law@redhat.com>
6350 PR tree-optimization/21417
6351 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6352 across a backedge if the control statement at the end of the
6353 block is data dependent on other statements in the same block.
6354 (record_temporary_equivalences_from_stmts): Remove over-conservative
6355 test for threading across backedges.
6357 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6358 control statement, handle all three special cases in the same
6359 manner as they all have the same desired solution. No longer
6360 special case edge flag updating when the post dominator is
6363 2006-02-08 Roger Sayle <roger@eyesopen.com>
6365 * tree.def (CHAR_TYPE): Remove.
6366 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6367 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6368 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6369 (gen_string_type_die): Delete unreachable function.
6371 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6372 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6373 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6374 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6375 * builtins.c (type_to_class): Likewise.
6376 * fold-const.c (fold_convert, build_range_check,
6377 merge_ranges): Likewise.
6378 * expr.c (count_type_elements): Likewise.
6379 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6380 * stor-layout.c (layout_type): Likewise.
6381 * ipa-type-escape.c (type_to_consider): Likewise.
6382 * gimplify.c (omp_firstprivatize_type_sizes,
6383 gimplify_type_sizes): Likewise.
6384 * explow.c (promote_mode): Likewise.
6385 * tree-sra.c (is_sra_scalar_type): Likewise.
6386 * varasm.c (output_constant): Likewise.
6387 * tree-inline.c (remap_type_1): Likewise.
6388 * convert.c (convert_to_pointer, convert_to_real,
6389 convert_to_integer, convert_to_complex): Likewise.
6391 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6393 * df-scan.c (df_def_record_1): A set destination may
6394 be a parallel regardless of mode.
6396 2006-02-08 Roger Sayle <roger@eyesopen.com>
6399 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6400 * config/mips/_tilib.c: Remove.
6401 * config/fixtfdi.c: New libgcc source file.
6402 * config/fixunstfdi.c: New source file.
6403 * config/floatditf.c: New source file.
6404 * config/floatunditf.c: New souce file.
6405 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6406 files above instead of config/mips/_tilib.c.
6407 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6409 2006-02-08 Jeff Law <law@redhat.com>
6411 PR tree-optimization/26169
6412 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6415 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6417 * df.h (DF_REG_SIZE): Return the length of the initialized
6420 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6422 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6423 __muldf3): Return a correctly signed zero.
6425 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6427 * passes.c (register_one_dump_file): Accept the current properties
6428 instead of pass number. Adjust call to dump_register. Remove
6430 (register_dump_files): Now a wrapper around...
6431 (register_dump_files_1): ... this one. Do not modify the pass
6433 (next_pass_1): Cosmetic fix.
6434 (execute_todo): Keep second parameter only. Use curr_properties
6435 instead of fetching it from the pass structure. Check and set
6437 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6438 instead of fetching it from the pass structure. Fix calls to
6439 execute_todo. Update curr_properties and initialize .vcg RTL dump
6440 after running the pass. Reset last_verified.
6441 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6443 (FIRST_AUTO_NUMBERED_DUMP): New.
6444 (dump_register): Remove "num" parameter, assign it within the
6446 (get_dump_file_name): Modify template for dumps.
6447 * tree-dump.h (dump_register): Adjust prototype.
6448 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6449 (PROP_trees): Add PROP_gimple_lomp.
6450 (TODO_set_props): New.
6451 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6452 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6453 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6455 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6457 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6458 (sparc64-*-linux*): Likewise.
6459 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6460 * config/sparc/t-linux: New file.
6461 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6462 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6463 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6464 -m32 -mlong-double-128.
6466 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6467 * config/alpha/t-linux: New file.
6468 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6470 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6471 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6472 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6473 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6474 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6475 (CPP_ARCH32_SPEC): Remove.
6477 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6479 PR tree-optimization/26145
6480 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6483 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6486 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6487 >= 240000 when generating code for SOM runtime.
6488 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6489 to $$dyncall when generating code for SOM runtime..
6491 2006-02-07 Dirk Mueller <dmueller@suse.com>
6494 * doc/invoke.texi (-Wsequence-point): Update documentation
6495 that -Wsequence-point is implemented for C++ as well.
6497 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6499 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6500 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6501 (LIB_SPEC): Likewise.
6502 * doc/invoke.texi (SPARC options): Document -pthread.
6504 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6506 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6509 2006-02-07 Roger Sayle <roger@eyesopen.com>
6511 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6512 Correct comment describing BOOLEAN_TYPE.
6514 2006-02-07 Dirk Mueller <dmueller@suse.com>
6516 * c.opt: C++ frontend supports -Wdiv-by-zero.
6517 * c-opts.c (c_common_handle_option): Remove dead case.
6519 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6521 * configure.ac (TLS assembler check): Do not enable TLS by
6522 default on SPARC/Solaris before version 10.
6523 * configure: Regenerate.
6525 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6527 * doc/invoke.texi (xl-compat): Document conversion and support
6530 2006-02-07 Jeff Law <law@redhat.com>
6532 * tree-vrp.c (find_conditional_asserts): Update comments.
6533 (simplify_stmt_for_jump_threading): New.
6534 (identify_jump_threads, finalize_jump_threads): New.
6535 (vrp_finalize): Call identify_jump_threads.
6536 (execute_vrp): Call finalize_jump_threads.
6537 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6538 (vrp_element, vrp_data, vrp_element_p): Remove.
6539 (vrp_hash_elt, vrp_variables_stack): Remove.
6540 (vrp_hash, vrp_eq, record_range): Remove.
6541 (simplify_cond_and_lookup_avail_expr): Remove.
6542 (extract_range_from_cond): Remove.
6543 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6544 (simplify_stmt_for_jump_threading): New.
6545 (dom_thread_across_edge): New wrapper.
6546 (tree_ssa_dominator_optimize): No longer initialize or
6547 finalize any of the VRP datastructures. Remove iteration
6548 step and simplify as a result of removal of iteration step.
6549 (pass_dominator): Perform a cfg cleanup after DOM.
6550 (dom_opt_finalize_block): Use the new common routines
6551 for threading jumps. Simplify stack management slightly.
6552 No longer need to unwind VRP state.
6553 (record_equivalences_from_incoming_edge): No longer record
6555 (eliminate_redundant_computations): No longer call
6556 simplify_cond_and_lookup_avail_expr.
6557 * tree-flow.h (potentially_threadable_block): Prototype.
6558 (thread_across_edge): Likewise.
6559 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6560 (tree-ssa-threadedge.o): Add dependencies.
6561 * tree-ssa-threadedge.c: New file.
6562 * passes.c (init_optimization_passes): Merge PHIs before
6563 calling VRP. Run VRP again late in the SSA optimization pipeline.
6565 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6567 * df-core.c (df_set_blocks): Do not dereference function pointers.
6568 (df_finish1): Likewise.
6569 (df_hybrid_search_forward): Likewise.
6570 (df_hybrid_search_backward): Likewise.
6571 (df_iterative_dataflow): Likewise.
6572 (df_analyze_problem): Likewise.
6573 (df_compact_blocks): Likewise.
6574 (df_dump): Likewise.
6575 * df-scan.c (df_rescan_blocks): Likewise.
6576 (df_record_entry_block_defs): Likewise.
6578 * genconditions.c (write_conditions): Guard the definition of
6579 'insn_conditions' with the check on GCC version.
6580 (write_writer): Guard the traversal 'insn_conditions' with
6581 the check on GCC version.
6583 2006-02-07 Richard Guenther <rguenther@suse.de>
6587 2006-01-30 Richard Guenther <rguenther@suse.de>
6589 * gimplify.c (gimplify_target_expr): Handle easy cases
6590 without creating a temporary.
6592 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6594 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6595 use of float in probability computations. Use edge probabilities
6596 in place of statically computed probabilities.
6597 (min_spec_prob): New static variable.
6598 (schedule_insns): Initialize it.
6599 (GET_SRC_PROB): Removed.
6600 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6602 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6605 * config/ia64/unwind-ia64.c: Revert last change.
6606 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6607 (INCOMING_FRAME_SP_OFFSET): Define.
6609 2006-02-06 Roger Sayle <roger@eyesopen.com>
6611 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6613 2006-02-07 Ben Elliston <bje@au.ibm.com>
6615 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6616 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6617 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6618 (ix86_return_in_memory): Handle TDmode.
6619 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6620 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6622 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6624 * reorg.c (dbr_schedule): Use dump_file instead of file.
6626 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6629 * config/ia64/predicates.md (extr_len_operand): New predicate.
6630 * config/ia64/ia64.md (extv): Tighten constraints.
6632 (*tbit_and_2): Ditto.
6633 (*tbit_and_3): Ditto.
6634 (*tbit_or_2): Ditto.
6635 (*tbit_or_3): Ditto.
6639 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6642 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6644 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6646 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6647 loop_optimizer_init and loop_optimizer_finalize
6648 * tree-ssa-sink.c (execute_sink_code): Ditto.
6649 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6650 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6651 tree_ssa_loop_done): Ditto.
6652 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6653 * sched-ebb.c: Include output.h.
6654 (schedule_ebbs): Do not use dump argument.
6655 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6656 * loop.c (loop_dump_stream): Removed.
6657 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6659 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6660 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6661 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6662 loop_iterations, strength_reduce, record_biv, record_giv,
6663 final_giv_value, check_final_value, check_ext_dependent_givs,
6664 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6665 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6666 dump_file instead of loop_dump_stream.
6667 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6669 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6671 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6672 * haifa-sched.c: Include output.h
6673 (schedule_insns, sched_init): Do not use dump argument.
6674 * mode-switching.c (optimize_mode_switching): Ditto.
6675 * modulo-sched.c (stats_file): Removed.
6676 (print_node_sched_params): Do not call argument dump_file.
6677 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6678 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6680 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6682 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6683 rtl_loop_init, rtl_loop_done): Ditto.
6684 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6685 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6687 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6688 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6689 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6690 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6691 * emit-rtl.c (renumber_insns): Ditto.
6692 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6693 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6694 * regclass.c (regclass): Ditto.
6695 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6696 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6697 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6698 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6700 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6701 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6703 * gcse.c (gcse_file, debug_stderr): Removed.
6704 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6705 rest_of_handle_gcse): Do not use dump argument.
6706 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6707 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6708 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6709 compute_code_hoist_vbeinout, compute_code_hoist_data,
6710 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6711 compute_store_table, build_store_vectors, insert_insn_start_bb,
6712 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6713 store_motion): Use dump_file instead of gcse_file.
6714 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6715 * profile.c (profile_dump_file): Removed.
6716 (branch_prob): Use dump_file instead of profile_dump_file.
6717 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6719 * tree-ssa-copy.c (dump_copy_of): Ditto.
6720 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6721 dump file to life_analysis.
6722 * bt-load.c (branch_target_load_optimize): Ditto.
6723 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6725 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6726 regclass, dbr_schedule): Declaration changed.
6727 * sched-int.h (sched_init): Declaration changed.
6728 * tree-profile.c (tree_profile_dump_file): Removed.
6729 (tree_profile_hooks): Removed profile_dump_file hook.
6730 * rtl-profile (rtl_profile_dump_file): Removed.
6731 (rtl_profile_hooks): emoved profile_dump_file hook.
6732 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6734 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6735 * tree-cfg.c (build_tree_cfg): Ditto.
6736 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6737 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6738 Declaration changed.
6739 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6740 life_analysis and schedule_insns.
6741 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6743 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6745 * config/mips/mips.c (mips_reorg): Ditto.
6746 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6749 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6751 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6752 (s390_mangle_fundamental_type): New.
6753 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6756 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6757 (alpha_mangle_fundamental_type): New.
6758 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6761 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6763 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6765 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6766 (sparc_mangle_fundamental_type): New.
6768 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6770 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6771 (s390x-*-linux*): Likewise.
6772 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6773 * config/s390/t-linux: New file.
6775 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6777 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6778 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6780 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6782 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6783 (ANTIC_SAFE_LOADS): New macro.
6784 (find_or_generate_expression): Add prototype.
6785 (set_contains_value): Allow null set for sake of not always having
6786 to allocate ANTIC_SAFE_LOADS.
6787 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6788 Allow COMPONENT_REF too.
6789 (valid_in_set): Allow COMPONENT_REF.
6790 Check ANTIC_SAFE_LOADS too.
6791 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6792 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6794 (can_PRE_operation): Add COMPONENT_REF.
6795 (create_component_ref_by_pieces): New function.
6796 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6797 (insert_aux): Move AGGREGATE_TYPE_P check here.
6798 (compute_avail): Set bb local stmt uids.
6799 (pass_pre): Use TODO_update_ssa_only_virtuals.
6801 2006-02-06 Ben Elliston <bje@au.ibm.com>
6803 * configure.ac: Unconditionally disable decimal float by default.
6804 * configure: Regenerate.
6806 2006-02-06 Ben Elliston <bje@au.ibm.com>
6808 * read-rtl.c (read_name): Terminate reading on EOF.
6810 2006-02-06 Ben Elliston <bje@au.ibm.com>
6812 * dfp.c (decimal_real_arithmetic): Change second argument type
6813 from int to enum tree_code. Do not always return true, but now
6814 return result of any call to decimal_do helper functions.
6815 * dfp.h (decimal_real_arithmetic): Update prototype.
6817 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6819 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6821 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6824 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6827 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6829 * tree-vrp.c (cfg_loops): Removed.
6830 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6831 Use current_loops instead of cfg_loops. Pass flags to
6832 loop_optimizer_init.
6833 * cfgloopmanip.c (fix_loop_structure): Update only available
6835 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6836 loop_optimizer_init.
6837 * modulo-sched.c (build_loops_structure): Removed.
6838 (sms_schedule): Use loop_optimizer_init.
6839 * loop-init.c (loop_optimizer_init): Use flags to determine
6840 which properties of loops to prepare.
6841 (rtl_loop_init): Pass flags to loop_optimizer_init.
6842 * tree-ssa-sink.c (execute_sink_code): Ditto.
6843 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6844 * tree-ssa-pre.c (init_pre): Ditto.
6845 * cfgloop.h (LOOPS_NORMAL): New.
6846 (loop_optimizer_init): Declaration changed.
6848 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6850 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6851 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6853 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6855 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6857 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6858 * pa/t-pa64: Delete quadlib.c rule.
6859 * pa/x-ada: Revert last change.
6860 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6862 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6864 PR rtl-optimization/26087
6865 * rtlanal.c (canonicalize_condition): Do not cross basic block
6868 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6871 * config/ia64/ia64.c: Include debug.h.
6872 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6873 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6874 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6875 (process_epilogue, process_set, process_for_unwind_directive):
6876 Output unwind info only if requested. Add CFA info if requested.
6877 Add new arguments as needed. Adjust callers.
6878 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6880 (DWARF2_FRAME_INFO): Define to zero.
6881 * config/ia64/unwind-ia64.c: Remove code that compensated for
6882 the CFA offset error fixed above.
6883 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6884 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6885 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6886 -funwind-tables and -fexceptions to enable frame info.
6887 (dwarf2out_frame_init): Define initial CFA even if
6888 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6889 DWARF2_UNWIND_INFO is nonzero, not just defined.
6890 (dwarf2out_frame_finish): Output non-EH call frame info only
6891 if DWARF2_FRAME_INFO is nonzero.
6892 (convert_cfa_to_loc_list,
6893 compute_frame_pointer_to_cfa_displacement): Define even if
6894 unwind info is not supported.
6895 (gen_subprogram_die): Use the above unconditionally. Remove
6896 legacy alternate code.
6897 * toplev.c (compile_file): Compile in call to
6898 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6899 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6901 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6902 Jakub Jelinek <jakub@redhat.com>
6904 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6905 IBM extended float format long double as "g" on powerpc*-linux.
6907 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6910 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6911 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6913 2006-02-03 Jason Merrill <jason@redhat.com>
6916 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6919 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6920 on the return slot if it's an NRV.
6922 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6924 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6925 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6926 rewrite_use): Do not handle USE_OUTER.
6927 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6928 add_iv_outer_candidates, may_replace_final_value,
6929 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6930 (find_interesting_uses_op): Functionality of
6931 find_interesting_uses_outer_or_nonlin moved here.
6932 (find_interesting_uses_outside): Use find_interesting_uses_op.
6934 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6937 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6939 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6940 Ulrich Weigand <uweigand@de.ibm.com>
6943 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6944 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6945 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6946 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6948 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6949 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6950 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6951 Define secondary reloads for TFmode moves.
6952 (constant_modes): Add TFmode.
6953 (NR_C_MODES): Set to 8.
6954 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6956 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6957 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6958 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6959 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6960 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6961 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6962 (FPR mode macro): Add TFmode.
6963 (DSF mode macro): New.
6964 (<de>, <dee> mode attributes): Removed.
6965 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6966 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6967 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6968 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6969 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6970 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6971 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6972 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6973 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6974 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6975 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6976 "*negabs<mode>2", "sqrt<mode>2"):
6977 Changed <de> to <xde>. R constraint replaced by <Rf>.
6978 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6980 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6981 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6982 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6984 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6985 "extenddftf2", "extendsftf2"): New expanders.
6986 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6987 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6988 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6989 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6991 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6992 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6993 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6994 __floatditf): Add a GCC_4.1.0 symbol version tag.
6995 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6998 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7001 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7002 Use targetm.binds_local_p instead of TREE_PUBLIC.
7004 2006-02-02 Roger Sayle <roger@eyesopen.com>
7006 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7007 on INTEGER_TYPEs to indicate that it denotes a character type.
7008 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7009 signed_char_type_node, unsigned_char_type_node and char_type_node.
7010 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7011 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7012 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7014 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7015 Daniel Berlin <dberlin@dberlin.org>
7017 * tree-tailcall.c (arg_needs_copy_p): New function.
7018 (eliminate_tail_call): Use arg_needs_copy_p.
7019 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7020 (add_virtual_phis): New function.
7022 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7024 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7025 #ignore instead of #scratch for %g7 .register directive.
7027 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7029 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7032 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7034 * flow.c (calculate_global_regs_live): Assert that there aren't any
7037 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7039 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7041 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7042 bsi_after_labels iterator.
7043 * tree-if-conv.c (find_phi_replacement_condition,
7044 replace_phi_with_cond_modify_expr): Likewise.
7045 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7046 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7048 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7050 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7052 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7055 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7056 array after growing it.
7058 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7061 * fold-const.c (fold_checksum_tree): Change type of buf.
7063 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7065 * reload.c (push_secondary_reload): Initialize t_icode.
7067 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7069 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7070 -msoft-float -mlong-double-128 only issue a warning, but don't
7071 swich to DFmode long double.
7073 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7075 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7076 has a constant equivalent, iterate over equivalents for arg0,
7077 calling simplify_relational_operation and if there's a result
7078 cheaper than X, apply fold_rtx and return the result.
7080 2006-02-01 Jan Hubicka <jh@suse.cz>
7082 * opts.c (no_unit_at_a_time_default): New global variable.
7083 (decode_options): Use it.
7084 * opts.h (no_unit_at_a_time_default): Declare.
7086 2006-02-01 Paul Brook <paul@codesourcery.com>
7088 * function.c (assign_parm_setup_reg): Use function argument promotion
7090 * expr.c (expand_expr_real_1): Use function argument promotion rules
7093 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7095 * gcc.c (process_command): Change j to 'unsigned int'.
7097 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7100 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7101 Use the corrected index for the character
7102 out of the string constant.
7104 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7106 * mode-switching.c (optimize_mode_switching): Fix size
7107 allocated for bb_info[n_entities].
7109 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7111 * gcc.c (main): Correct type that is allocated for
7112 explicit_link_files.
7114 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7116 * config/s390/s390.c (init_alignment_context): Set
7117 ALIAS_SET_MEMORY_BARRIER on the MEM.
7118 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7120 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7123 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7125 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7128 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7130 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7131 * regrename.c: Ditto.
7132 * tree-ssa-loop-im.c: Ditto.
7133 * tree-dump.c: Ditto.
7134 * tree-complex.c: Ditto.
7135 * genrecog.c: Ditto.
7136 * tree-ssa-threadupdate.c: Ditto.
7138 * java/class.c: Ditto.
7139 * java/jcf-parse.c: Ditto.
7140 * java/resource.c: Ditto.
7141 * java/except.c: Ditto.
7142 * java/jvspec.c: Ditto.
7143 * java/jcf-write.c: Ditto.
7144 * java/jcf-path.c: Ditto.
7145 * java/gjavah.c: Ditto.
7146 * java/zextract.c: Ditto.
7147 * java/jcf-io.c: Ditto.
7148 * java/jcf.h: Ditto.
7149 * java/buffer.c: Ditto.
7150 * java/lang.c: Ditto.
7151 * java/parse-scan.y: Ditto.
7152 * java/lex.c: Ditto.
7153 * java/lex.h: Ditto.
7154 * cfgloopmanip.c: Ditto.
7155 * postreload-gcse.c: Ditto.
7156 * tree-ssa-loop-manip.c: Ditto.
7157 * postreload.c: Ditto.
7158 * tree-ssa-loop-ch.c: Ditto.
7162 * diagnostic.c: Ditto.
7164 * genoutput.c: Ditto.
7166 * cfghooks.c: Ditto.
7167 * cfgloopanal.c: Ditto.
7168 * objc/objc-act.c: Ditto.
7170 * genextract.c: Ditto.
7171 * genautomata.c: Ditto.
7172 * pretty-print.c: Ditto.
7174 * cgraphunit.c: Ditto.
7177 * haifa-sched.c: Ditto.
7178 * dominance.c: Ditto.
7180 * tree-ssa-loop-ivopts.c: Ditto.
7182 * mode-switching.c: Ditto.
7183 * modulo-sched.c: Ditto.
7185 * ipa-pure-const.c: Ditto.
7187 * fix-header.c: Ditto.
7189 * tree-stdarg.c: Ditto.
7190 * ipa-utils.c: Ditto.
7191 * loop-init.c: Ditto.
7192 * ipa-inline.c: Ditto.
7195 * alloc-pool.c: Ditto.
7196 * dwarf2out.c: Ditto.
7198 * genattrtab.c: Ditto.
7199 * tree-ssa-loop-ivcanon.c: Ditto.
7203 * fortran/gfortranspec.c: Ditto.
7205 * local-alloc.c: Ditto.
7206 * langhooks.c: Ditto.
7207 * function.c: Ditto.
7208 * tree-vectorizer.c: Ditto.
7210 * ipa-type-escape.c: Ditto.
7212 * tree-if-conv.c: Ditto.
7215 * tree-data-ref.c: Ditto.
7216 * loop-unroll.c: Ditto.
7217 * treelang/treetree.c: Ditto.
7220 * ggc-common.c: Ditto.
7222 * coverage.c: Ditto.
7224 * tree-cfgcleanup.c: Ditto.
7225 * tree-ssa-pre.c: Ditto.
7226 * cfgcleanup.c: Ditto.
7227 * loop-invariant.c: Ditto.
7229 * ipa-prop.c: Ditto.
7230 * print-tree.c: Ditto.
7231 * conflict.c: Ditto.
7232 * ggc-page.c: Ditto.
7233 * sched-deps.c: Ditto.
7234 * regclass.c: Ditto.
7235 * tree-object-size.c: Ditto.
7237 * bb-reorder.c: Ditto.
7238 * resource.c: Ditto.
7239 * var-tracking.c: Ditto.
7241 * df-problems.c: Ditto.
7242 * reg-stack.c: Ditto.
7245 * sched-rgn.c: Ditto.
7246 * tree-ssa-structalias.c: Ditto.
7247 * tree-ssa-reassoc.c: Ditto.
7248 * config/darwin-c.c: Ditto.
7249 * config/darwin.c: Ditto.
7250 * config/arm/arm.c: Ditto.
7252 * collect2.c: Ditto.
7255 2006-01-31 Nicolas Pitre <nico@cam.org>
7257 * arm.md (smaxsi3): Make aware of smax_m1.
7260 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7262 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7264 2006-01-31 Richard Guenther <rguenther@suse.de>
7266 * doc/invoke.texi (-msselibm): Document.
7267 * target.h (expand_library_builtin): New target hook.
7268 * builtins.c (expand_builtin): Use expand_library_builtin.
7269 (default_expand_library_builtin): New function.
7270 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7271 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7272 (link_gcc_math_spec): Declare.
7273 (static_specs): Add link_gcc_math_spec.
7274 * expr.h (default_expand_library_builtin): Declare.
7275 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7276 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7277 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7278 * config/i386/i386.opt (msselibm): New target option.
7279 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7280 (ix86_init_sse_abi_builtins): New function.
7281 (ix86_expand_library_builtin): Likewise.
7282 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7283 (override_options): Handle error conditions wrt -msselibm.
7284 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7285 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7286 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7289 2006-01-31 Richard Guenther <rguenther@suse.de>
7290 Paolo Bonzini <bonzini@gnu.org>
7292 * doc/install.texi (--disable-libgcc-math): Document.
7294 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7296 * expr.h (expand_normal): new inline function.
7297 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7299 * dwarf2out.c: use it.
7304 * config/sparc/sparc.c: use it.
7305 * config/i386/i386.c: use it.
7306 * config/rs6000/rs6000.c: use it.
7307 * config/arm/arm.c: use it.
7308 * config/mips/mips.c: use it.
7309 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7311 2006-01-30 Roger Sayle <roger@eyesopen.com>
7313 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7314 argv to the appropriate type.
7316 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7318 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7321 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7324 * config/s390/s390.c (struct machine_function): New flag
7325 decomposed_literal_pool_addresses_ok_p.
7326 (s390_reorg): Set it before final stage of literal pool transforms.
7327 (s390_decompose_address): Only accept displacements of the form
7328 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7330 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7332 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7333 the comparison routine return.
7335 2006-01-30 Michael Matz <matz@suse.de>
7337 * global.c (find_reg): Only evict for global regs.
7338 Take n_refs into account and dump more info.
7340 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7343 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7344 (pragma_trap, pragma_nosave_low_regs): Likewise.
7345 (current_function_anonymous_args): Likewise.
7346 (sh_deferred_function_attributes): New variable.
7347 (sh_deferred_function_attributes_tail): Likewise.
7348 (print_operand): For '@', look up trap_exit attribute.
7349 (calc_live_regs): Look up trapa_handler attribute. For trapa
7350 handlers, save/restore fpscr, but don't do any other
7351 interrupt-specific saves.
7352 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7353 Fix check for partially saved registers to check for SHmedia.
7354 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7355 (sh_output_function_epilogue): Don't clear any of the removed
7357 (sh_insert_attributes): Don't check pragma_interrupt.
7358 Insert deferred attributes. Check that interrupt attribute is
7359 present for other attributes that require its presence.
7360 (sh_attribute_table): Add new attributes trapa_handler and
7362 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7363 Don't check for pragma_interrupt. Don't store argument.
7364 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7365 (sh_deferred_function_attributes): Declare.
7366 (sh_deferred_function_attributes_tail): Likewise.
7367 * sh.md (sp_switch_1): Add operand. Change generator caller.
7368 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7369 (*return_i): Don't use when trap_exit attribute is in effect.
7370 (*return_trapa): New insn pattern.
7372 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7373 setting c_target_objs and cxx_target_objs.
7374 * t-sh: Add rule for sh-c.o.
7376 2006-01-30 Richard Guenther <rguenther@suse.de>
7379 * gimplify.c (gimplify_target_expr): Handle easy cases
7380 without creating a temporary.
7382 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7384 * vec.h (safe_grow): Remove duplicated line.
7386 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7389 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7390 (expand_omp): ... here.
7391 (expand_omp_parallel): Only remove barriers for combined
7392 parallel+workshare constructs.
7394 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7398 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7399 * tree.c (build_qualified_type): Chain the new type to the original
7400 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7401 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7402 (build_pointer_type_for_mode): Only return unqualified types.
7403 (build_reference_type_for_mode): Likewise.
7405 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7407 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7408 * Makefile.in (CXX_COMPAT_WARN): Define.
7409 * configure: Regenerate.
7411 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7414 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7417 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7419 * toplev.c: Fix thinko.
7421 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7422 Marcin Dalecki <martin@dalecki.de>
7424 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7425 (push_srcloc): Use XNEW.
7426 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7428 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7430 * df-core.c (df_set_blocks): Deleted all variable.
7432 2006-01-28 Ian Lance Taylor <ian@airs.com>
7434 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7435 cgraph_output_pending_asms.
7437 2006-01-28 Zack Weinberg <zackw@panix.com>
7439 * c.opt: Add -W(no-)overlength-strings.
7440 * doc/invoke.texi: Document it.
7441 * c-opts.c (c_common_handle_option): -pedantic implies
7442 -Woverlength-strings, if not explicitly disabled already.
7443 (c_common_post_options): -Woverlength-strings defaults to off, and
7444 is always off for C++.
7445 * c-common.c (fix_string_type): Issue warning about strings longer
7446 than is portable only if warn_overlength_strings. Rearrange code
7447 a little for clarity.
7448 * configure.in: Check for -Wno-overlength-strings as well before
7449 enabling -pedantic in stage 1.
7450 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7451 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7453 * genconditions.c (write_header, write_one_condition)
7454 (write_conditions, write_writer): Consolidate very long strings
7455 that were broken up to fit in C89 portable limit. Don't use
7456 printf when fputs will do.
7458 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7460 * combine.c (simplify_comparison <AND>): Check
7461 TRULY_NOOP_TRUNCATION before start using a subreg.
7463 * config/mips/mips.md (*branch_zero<mode>,
7464 *branch_zero<mode>_inverted, *branch_equality<mode>,
7465 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7466 Remove mode check from comparisons.
7468 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7470 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7472 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7474 * expmed.c (const_mult_add_overflow_p): Remove.
7475 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7477 * recog.c (validate_replace_rtx_subexp): Remove.
7478 * recog.h: Remove the prototype for
7479 validate_replace_rtx_subexp.
7481 * integrate.h: Remove the prototype for
7482 copy_decl_for_inlining.
7483 * rtl.h: Remove the prototype for mark_constant_function.
7484 * tree-vectorizer.h: Remove the prototype for
7485 vect_strip_conversion.
7487 * modulo-sched.c (create_partial_schedule,
7488 free_partial_schedule, reset_partial_schedule): Make them
7491 * hooks.c (hook_bool_rtx_int_false): Remove.
7492 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7494 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7496 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7497 and -mlong-double-128 are incompatible.
7498 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7499 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7500 (TARGET_LIBGCC2_CFLAGS): Define.
7501 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7502 (TARGET_LIBGCC2_CFLAGS): Same.
7503 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7505 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7508 * c-typeck.c (build_binary_op): Perform implicit casts of
7509 operands before shortening them.
7511 * cfgloopmanip.c (split_loop_bb): Remove.
7512 * cfgloop.h: Remove the prototype for split_loop_bb.
7514 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7515 * cfgloop.h: Remove the prototype for
7516 flow_loop_outside_edge_p.
7518 * emit-rtl.c (init_virtual_regs): Make it static.
7519 * function.h: Remove the prototype for init_virtual_regs.
7521 * recog.c (peephole2_optimize): Make it static.
7522 * recog.h: Remove the prototype for peephole2_optimize.
7524 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7526 * df-scan.c (df_record_entry_block_defs): Check if
7527 INCOMING_RETURN_ADDR_RTX is defined.
7529 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7530 Kenneth Zadeck <zadeck@naturalbridge.com>
7532 PR rtl-optimization/24762
7533 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7534 * targhooks.c (hook_void_bitmap): New hook prototype.
7535 * targhoohs.h (hook_void_bitmap): Ditto.
7536 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7537 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7538 * target.h (live_on_entry): New function pointer.
7539 * df-scan.c (df_all_hard_regs): Removed.
7540 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7541 (df_scan_free_internal): Added df->entry_block_defs.
7542 (df_scan_alloc): Ditto.
7543 (df_scan_dump): Ditto.
7544 (df_uses_record): Plumbed flag field properly thru calls.
7545 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7546 This part fixes PR24762.
7547 (df_bb_refs_record): Added code to make the frame and arg
7548 pointers live in EH blocks.
7549 (df_refs_record): Added call to df_record_entry_block_defs.
7550 (df_record_entry_block_defs): New function.
7551 * df-core.c: Added comments to describe new artifical defs.
7552 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7553 (entry_block_defs): New field in struct df.
7554 (df_all_hard_regs): Deleted.
7555 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7556 * df-problems.c (df_ru_bb_local_compute_process_def):
7557 Added code to handle artifical defs in the entry to a function.
7558 (df_ru_bb_local_compute): Ditto.
7559 (df_rd_bb_local_compute_process_def): Ditto.
7560 (df_rd_bb_local_compute): Ditto.
7561 (df_lr_bb_local_compute): Ditto.
7562 (df_ur_bb_local_compute): Ditto.
7563 (df_urec_bb_local_compute): Ditto.
7564 (df_chain_create_bb): Ditto.
7565 (df_ur_local_finalize): Removed entry.
7566 (df_urec_init): Ditto.
7567 (df_urec_local_finalize): Ditto.
7568 (df_ri_bb_compute): Added detection of last use of pseudos.
7569 * Makefile.in (df-scan.o): Updated dependencies.
7570 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7571 * config/mips/mips.c (mips_set_live_on_entry): Added.
7572 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7574 * dce.c (marked_insn_p): Added code to handle artifical defs.
7576 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7578 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7580 (_mm_cvtsi128_si64): Likewise.
7581 (_mm_cvtsd_si64): Likewise.
7582 (_mm_cvttsd_si64): Likewise.
7583 (_mm_cvtsi64_sd): Likewise.
7584 (_mm_cvtsi64_si128): Likewise.
7585 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7586 (_mm_cvtsi64_m64): Likewise.
7587 (_m_to_int64): Likewise.
7588 (_mm_cvtm64_si64): Likewise.
7589 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7590 (_mm_cvttss_si64): Likewise.
7591 (_mm_cvtsi64_ss): Likewise.
7592 (_mm_cvtss_f32): Likewise.
7594 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7596 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7597 for pragma redefine_extname.
7599 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7602 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7603 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7604 -mno-minimal-toc to previous content.
7605 (bispecs): Remove goal.
7606 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7607 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7608 compatibility aliases on powerpc-*-*gnu*.
7609 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7610 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7611 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7612 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7613 (ldblspecs): New goal.
7614 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7615 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7617 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7618 L_sf_to_tf or L_df_to_tf is defined.
7620 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7621 Alan Modra <amodra@bigpond.net.au>
7624 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7625 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7626 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7627 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7628 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7629 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7630 (rs6000_override_options): Initialize rs6000_ieeequad.
7631 Initialize TFmode format to ibm_extended_format if not
7633 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7635 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7636 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7637 (function_arg_advance): IBM long double passed in two FPRs, not
7639 (function_arg): IBM long double passed in FPRs.
7640 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7641 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7642 Only multireg GPR aligned.
7643 (rs6000_init_libfuncs): Enable IBM long double functions if not
7645 (rs6000_generate_compare): Use IBM long double compare if not
7647 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7648 (TARGET_IEEEQUAD): Define.
7649 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7650 not TARGET_IEEEQUAD.
7651 * config/rs6000/rs6000.md: Enable TFmode patterns if
7653 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7654 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7655 and -mlong-double-128 are incompatible.
7656 * doc/invoke.texi (-mabi): Collect options together. Add
7657 ibmlongdouble and ieeelongdouble.
7659 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7661 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7663 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7664 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7665 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7666 * rtl.h (rtunion_def): Remove rt_ptr.
7668 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7669 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7670 * config/i386/winnt.c (i386_pe_mark_dllexport)
7671 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7673 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7675 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7677 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7681 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7682 pthread_key_delete. From John David Anglin. gthrw-ify
7683 pthread_getunique_np only if it it's not a macro. Delete
7685 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7686 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7687 __gthread_objc_condition_signal, __gthread_key_delete): Add
7688 "__attribute__ ((__unused__))" to unused arguments.
7689 (__gthread_recursive_mutex_init_function): Add missing return.
7690 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7691 gthr-posix95.h: Use macro-based approach for name redirection
7692 on targets missing weakref.
7694 2006-01-26 Zack Weinberg <zackw@panix.com>
7696 * genconditions.c (write_header): In generated code, #ifdef out
7697 all includes and fake declarations, except includes of bconfig.h
7698 and system.h, unless GCC_VERSION >= 3001. Do not include
7699 gensupport.h in any case.
7700 (write_conditions): Generate a definition of struct c_test. Add
7701 a comment to the generated #endif.
7702 (write_one_condition): Escape backslashes in string too.
7703 (write_writer): Generated code must escape backslashes and quote
7704 marks (but not newlines) in the strings it writes.
7705 * Makefile.in (build/gencondmd.o): Update dependencies.
7707 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7710 * Makefile.in (insn-automata.o): Add header file dependencies.
7711 * genautomata.c: Add includes.
7713 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7716 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7718 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7720 * configure.ac: Expect target tools paths to be passed from the toplevel
7721 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7723 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7725 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7728 * c.opt (Wpointer-sign): Init to -1.
7729 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7730 OPT_pedantic, to 0 otherwise.
7731 * doc/invoke.texi: Update.
7733 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7735 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7736 constants provided by 80387 instructions in the destination mode.
7738 2006-01-26 Richard Guenther <rguenther@suse.de>
7739 Andrew Pinski <pinskia@physics.uc.edu>
7742 partial PR tree-opt/17064
7743 * tree-ssa-structalias.c (intra_create_variable_infos):
7744 Create heap variables for incoming parameters if
7745 flag_argument_noalias > 1.
7746 (find_what_p_points_to): Look through default defs of
7749 2006-01-26 Jeff Law <law@redhat.com>
7752 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7753 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7754 within the VR_RANGE, use the VR_RANGE as the result, not the
7756 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7757 bounds for the type.
7759 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7761 * tree-ssa-alias.c (maybe_create_global_var): Change
7762 subvar walking to an assertion that we don't have subvar'd variables.
7764 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7767 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7768 Use a new variable, inner. PARM_DECLs are always non-weak.
7770 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7772 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7775 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7777 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7779 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7781 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7782 (smax_insn, smin_insn, smax_0, smin_0): New.
7784 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7787 * config/cris/cris.c (cris_order_for_addsi3): New function.
7788 * config/cris/cris-protos.h: Prototype it.
7789 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7790 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7791 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7792 (split for "op.S1 [rx=rx+i],ry (swapped)")
7793 (split for "op(s|u).S1 [rx=rx+i],ry")
7794 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7795 Apply cris_order_for_addsi3 when generating addsi3 insns.
7797 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7799 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7800 (TREE_BLOCK): Add call to EXPR_CHECK.
7802 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7805 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7806 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7807 (dump_omp_clauses): ... here.
7808 (dump_generic_node): Handle OMP_CLAUSE.
7809 * tree.c (omp_clause_num_ops): New.
7810 (omp_clause_code_name): New.
7811 (tree_code_size): Handle OMP_CLAUSE.
7812 (tree_size): Likewise.
7813 (make_node): Document handling of OMP_CLAUSE.
7814 (tree_node_structure): Handle OMP_CLAUSE.
7815 (omp_clause_check_failed): New.
7816 (omp_clause_range_check_failed): New.
7817 (omp_clause_operand_check_failed): New.
7818 (build_omp_clause): New.
7819 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7820 * tree.h (enum omp_clause_code): Declare.
7821 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7822 (OMP_CLAUSE_RANGE_CHECK): Define.
7823 (OMP_CLAUSE_ELT_CHECK): Define.
7824 (omp_clause_check_failed): Declare.
7825 (omp_clause_operand_check_failed): Declare.
7826 (omp_clause_range_check_failed): Declare.
7827 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7828 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7829 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7830 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7831 (OMP_CLAUSE_IF_EXPR): Likewise.
7832 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7833 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7834 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7835 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7836 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7837 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7838 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7839 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7840 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7841 (OMP_CLAUSE_CODE): Define.
7842 (OMP_CLAUSE_SET_CODE): Define.
7843 (OMP_CLAUSE_CODE): Define.
7844 (OMP_CLAUSE_OPERAND): Define.
7845 (struct tree_omp_clause): Declare.
7846 (union tree_node): Add field 'omp_clause'.
7847 * treestruct.def (TS_OMP_CLAUSE): Define.
7848 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7849 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7850 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7851 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7852 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7853 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7854 (OMP_CLAUSE): Define.
7855 * print-tree.c (print_node): Handle OMP_CLAUSE.
7856 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7857 * c-typeck.c: Likewise.
7858 * gimplify.c: Likewise.
7859 * c-omp.c: Likewise.
7860 * tree-nested.c: Likewise.
7861 * tree-inline.c: Likewise.
7862 * c-parser.c: Likewise.
7863 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7866 2006-01-25 Roger Sayle <roger@eyesopen.com>
7868 PR rtl-optimization/25703
7869 * combine.c (try_combine): Handle zero_extract and strict_low_part
7870 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7872 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7874 * global.c: Fix comment typos.
7876 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7879 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7880 Use output_addr_const instead of assemble_name.
7882 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7884 * Makefile.in (sched-vis.o): Update dependencies.
7885 * haifa-sched.c (sched_finish): Clear current_sched_info.
7886 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7887 (dump_flow_info): Call it.
7888 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7890 * basic-block.h (dump_bb_info): Declare.
7891 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7892 option, and apply options only for dump files whose TDF_RTL,
7893 TDF_TREE, or TDF_IPA bits match.
7894 * rtl.h: Declare new functions exported from sched-vis.c.
7895 * sched-vis.c: Enable also if scheduling is not used.
7896 (print_value): Print the mode of registers if not inside scheduling.
7897 (print_insn): Make it work outside the scheduler. Beautify the output
7899 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7901 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7903 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7904 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7905 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7906 depending on the value of CONSTANT_POOL_ADDRESS_P.
7907 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7909 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7910 rather than SYMBOL_REF_DECL.
7911 (rtx_constant_pool): Remove const_rtx_sym_htab.
7912 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7913 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7914 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7915 Remove handling of const_rtx_sym_htab.
7916 (find_pool_constant): Delete.
7917 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7918 rather than find_pool_constant.
7919 (get_pool_constant_for_function): Delete.
7920 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7922 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7923 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7924 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7925 (SYMBOL_REF_CONSTANT): New macro.
7926 (get_pool_constant_for_function): Delete.
7927 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7928 rather than SYMBOL_REF_DECL.
7929 (i386_pe_mark_dllimport): Likewise.
7930 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7931 rather than SYMBOL_REF_DECL.
7932 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7933 (machopic_indirect_call_target): Likewise.
7935 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7937 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7939 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7941 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7943 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7945 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7947 2006-01-24 David Daney <ddaney@avtrex.com>
7950 * configure.ac (enable_tls): New enable option.
7951 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7952 * configure: Regenerate.
7953 * doc/install.texi (--enable-tls): Document new option.
7954 (--disable-tls): Ditto.
7956 2006-01-24 Richard Henderson <rth@redehat.com>
7958 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7959 * alias.c (true_dependence): Respect it.
7960 (canon_true_dependence, write_dependence_p): Likewise.
7961 * builtins.c (get_builtin_sync_mem): Set it.
7963 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7965 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7968 2006-01-24 DJ Delorie <dj@redhat.com>
7970 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7971 for storing constants in single-bit bitfields.
7973 2006-01-25 Ben Elliston <bje@au.ibm.com>
7975 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7977 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7980 * tree-ssa-pre.c (phi_translate): Return NULL
7981 for AGGREGATE_TYPE's.
7983 2006-01-24 Zack Weinberg <zackw@panix.com>
7985 * genautomata.c (process_state_for_insn_equiv_partition):
7986 Use xcalloc for insn_arcs_array.
7987 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7988 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7990 2006-01-24 Richard Henderson <rth@redhat.com>
7992 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7995 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7997 PR rtl-optimization/25890
7998 PR rtl-optimization/25905
7999 * combine.c (expand_compound_operation, expand_field_assignment):
8000 Fail if the bitfield's final position is out of bounds.
8002 2006-01-24 Ian Lance Taylor <ian@airs.com>
8005 * cgraphunit.c (cgraph_output_in_order): Don't clear
8006 cgraph_asm_nodes until after asm strings have been output.
8008 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8010 * fix-header.c (read_scan_file): Add new parameter imultilib when
8011 calling register_include_chains.
8013 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8015 * omp-low.c: Update documentation.
8017 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8018 Daniel Berlin <dberlin@dberlin.org>
8022 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8023 return from the function.
8025 2006-01-22 Zack Weinberg <zackw@panix.com>
8027 * rtl.def (match_code): Add second argument.
8028 * genpreds.c (write_extract_subexp): New function.
8029 (write_match_code): Add path argument. Use write_extract_subexp.
8030 (write_predicate_expr): Pass path to write_match_code.
8031 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8032 not perform a mode test.
8033 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8034 a subexpression does not constrain the top-level code set.
8035 * read-rtl.c (read_rtx_variadic): New function.
8036 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8037 * doc/md.texi: Document new notation.
8038 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8039 (cmpsi_operand): ... here, using new notation.
8041 2006-01-22 Zack Weinberg <zackw@panix.com>
8043 * varray.c: Remove GENERATOR_FILE #ifdefs.
8045 2006-01-22 Zack Weinberg <zackw@panix.com>
8047 * genautomata.c (output_reserved_units_table): Emit nothing if
8048 description->query_units_num is zero. Remove extra blank line.
8049 (output_cpu_unit_reservation_p): Short circuit
8050 if description->query_units_num is zero.
8052 2006-01-22 Zack Weinberg <zackw@panix.com>
8054 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8055 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8056 nor any of the random handful of variables that used to be necessary
8057 when this program was linked with rtlanal.o. Prune set of forward
8058 function declarations.
8059 (struct attr_desc): Remove static_p field.
8060 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8061 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8062 (attr_string): Do not read the character one past the length of
8064 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8065 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8066 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8067 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8068 (make_automaton_attrs): New.
8069 (main): Do not call into genautomata. Call local gen_bypass
8070 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8071 Remove special case for insn_alts.
8072 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8073 varray.h (leftover from previous change). Prune set of forward
8074 function declarations. Remove state_alts fields from all
8075 structures. Remove state_alts_table from struct automaton.
8076 Make everything except main static. Do not maintain num_dfa_decls.
8077 Do not maintain state_alts fields of various structures.
8078 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8079 (add_arc): Remove state_alts argument. All callers updated.
8080 (output_reserved_units_table): Emit #ifdef here...
8081 (output_tables): ...not here. Don't generate state_alts tables.
8082 (expand_automata): Don't generate attributes.
8083 (write_automata): Don't generate state_alts functions.
8084 (main): New function.
8085 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8086 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8087 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8088 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8089 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8090 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8091 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8092 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8094 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8095 * genattrtab.h: Delete file.
8096 * Makefile.in (OBJS-common): Add insn-automata.o.
8097 (insn-automata.o): New rule.
8098 (simple_generated_c): Add insn-automata.c.
8099 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8100 (genprogmd): Add automata.
8101 (build/genattrtab): Needs no extra objects nor libraries.
8102 (build/genautomata): Needs build/vec.o and -lm.
8104 2006-01-22 Zack Weinberg <zackw@panix.com>
8106 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8107 (output_dfa_max_issue_rate, locked_states_num): Delete.
8108 (struct automaton): Add locked_states field.
8109 (output_dead_lock_vect): Save number of locked states in
8110 automaton->locked_states. If it is zero, don't print anything.
8111 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8112 (output_internal_dead_lock_func): Only test the dead_lock_vect
8113 for automata that have locked states.
8114 (output_statistics): Always print the number of locked states for
8115 each automaton. Calculate total number of locked states here.
8116 (write_automata): Don't call output_dfa_max_issue_rate.
8117 * genattrtab.c: Define length_unit_log as a const variable.
8118 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8119 max_insn_queue_index const.
8120 * final.c (length_unit_log): Declare const.
8121 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8123 2006-01-22 Zack Weinberg <zackw@panix.com>
8125 * genautomata.c: Include vec.h, not varray.h.
8126 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8127 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8128 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8129 VEC_* macros operating on appropriately typed vectors, or to
8130 malloced arrays when the size is known in advance. Const-ify
8131 many char* variables and function arguments. No functional changes.
8132 * Makefile.in (build/varray.o): Delete rule.
8133 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8134 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8136 2006-01-22 Zack Weinberg <zackw@panix.com>
8138 * gensupport.c: Define get_insn_name and record_insn_name here.
8139 (read_md_rtx): Call record_insn_name as appropriate.
8140 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8141 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8142 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8144 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8145 (BUILD_VARRAY): Delete.
8146 (genprognormal): Rename genprogmd. Fold in all programs from
8147 genprognoprint; also attrtab.
8148 (build/genattrtab): Just mention genautomata.o and varray.o.
8149 Reorganize a bit, add comments to make the categories clearer.
8151 2006-01-22 Zack Weinberg <zackw@panix.com>
8153 * genconditions.c (condition_table, add_condition): Delete.
8154 (write_conditions): Don't emit n_insn_conditions nor
8155 insn_elision_unavailable. Issue the gcc version #ifdef here,
8156 inside the table, with no #else clause ...
8157 (write_header): ...not here.
8158 (write_writer): New function.
8159 (main): Don't initialize condition_table. Use add_c_test.
8161 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8162 files on the command line.
8163 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8164 Return -1 if there is no entry in the table, don't abort.
8165 (add_c_test, traverse_c_tests): New functions.
8166 * gensupport.h (insn_elision_unavailable, insn_conditions)
8167 (n_insn_conditions): Delete declarations.
8168 (add_c_test, traverse_c_tests): Declare.
8169 * read-rtl.c: Include gensupport.h.
8170 (read_conditions): New function.
8171 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8172 (read_rtx_1): If we get EOF when we were looking for an initial
8173 open paren, return 0. Call read_conditions when appropriate.
8174 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8175 dummy-conditions.o. Eliminate references to insn-conditions.o,
8176 or change them to build/gencondmd.o, as appropriate. Remove
8177 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8178 from $(simple_generated_c). For all files remaining in those
8179 two lists, add insn-conditions.md to the generator command line.
8180 Give insn-constants.h/s-constants their own rules. Add rules
8181 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8182 (build/read-rtl.o): Depend on gensupport.h.
8183 (genprognormal): Include preds.
8184 (genprogearly): Rename genprognoprint; only difference is now that
8185 they don't link with $(BUILD_PRINT).
8186 * dummy-conditions.c: Delete.
8188 2006-01-22 Zack Weinberg <zackw@panix.com>
8190 * genextract.c: Don't include insn-config.h. Do include vec.h.
8191 Declare vectors of int, char, and locstr.
8192 (locstr): New typedef.
8193 (struct extraction): Make all array fields into bare pointers.
8194 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8195 (insn_code_number): Delete.
8196 (accum_extract): New struct.
8197 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8198 (gen_insn): Take insn_code_number as an argument. Use an
8199 accum_extract structure instead of loading data directly into
8200 a struct extraction, and having to know how big it might get.
8201 (walk_rtx): Operate entirely on an accum_extract structure.
8202 (print_path): Avoid unnecessary use of printf.
8203 (print_header): New function, split out of main. Distinguish
8204 more carefully between an unrecognizable insn and an insn that
8205 has the code number of a define_expand.
8206 (main): Pass insn_code_number to gen_insn. Call print_header
8207 only after parsing. Avoid unnecessary use of printf.
8208 * Makefile.in (build/vec.o): New rule.
8209 (build/genextract): Depend on build/vec.o.
8210 (build/genextract.o): Don't depend on insn-config.h.
8212 2006-01-22 Zack Weinberg <zackw@panix.com>
8214 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8215 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8216 practical. Eliminate per-generator-program link rules.
8218 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8221 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8222 with a call expr to ...
8223 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8225 2006-01-23 Richard Guenther <rguenther@suse.de>
8227 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8228 before make_edge with conditional EDGE_TRUE_VALUE.
8230 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8231 Jan Hubicka <jh@suse.cz>
8232 Richard Guenther <rguenther@suse.de>
8234 PR rtl-optimization/25654
8235 * cfgexpand.c (aggregate_contains_union_type): New function.
8236 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8237 for structure variables that contain a union type.
8239 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8241 * gengtype.c (new_structure): Return the structure.
8242 (create_option): Add an extra "next" argument.
8243 (create_field): New function.
8244 (adjust_field_rtx_def): Use create_option and create_field.
8245 Remove a now-unnecessary call to find_structure.
8246 (adjust_field_tree_def): Likewise.
8247 (note_yacc_type): Remove an unnecessary call to find_structure.
8248 * gengtype.h (new_structure): Return the structure.
8249 (create_option): Add an extra argument.
8250 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8251 (option): Adjust calls to create_option.
8253 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8255 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8257 2006-01-22 Paul Brook <paul@codesourcery.com>
8258 Peter Barada <peter@the-baradas.com>
8260 * config/m68k/m68k.md: Add Coldfire FPU support.
8261 Define FP mode macro and associated attributes.
8262 Use it for float mode patterns.
8263 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8264 (LIBCALL_VALUE): Use m68k_libcall_value.
8265 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8266 (m68k_function_value): Ditto.
8267 (emit_move_sequence): Ditto.
8268 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8269 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8270 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8271 (MULTILIB_EXCEPTIONS): Ditto.
8272 * config/m68k/m68k.opt: Add mcfv4e.
8273 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8274 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8275 (m68k_output_function_prologue): Save ColdFire FPU registers.
8276 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8277 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8278 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8279 ColdFire FPU registers.
8280 (m68k_libcall_value, m68k_function_value): New functions.
8281 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8282 (LIBCALL_VALUE): Use m68k_libcall_value.
8283 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8284 (MASK_COLDFIRE): Add MASK_CFV4E.
8285 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8286 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8287 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8288 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8289 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8290 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8291 * doc/invoke.tex: Document -mcfv4e on m68k.
8293 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8295 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8298 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8301 * c-opts.c (c_common_handle_option): Don't include
8302 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8303 * doc/invoke.texi (C++ Dialect Options): Document that
8304 -Wnon-virtual-dtor is no longer included in -Wall.
8306 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8308 * gcov.c (print_version), gcov-dump.c (print_version),
8309 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8312 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8314 * df-scan.c (problem_SCAN): Added NULL reset function.
8315 (df_scan_reset_blocks): Added code to call reset block function
8316 (df_bb_refs_delete) Fixed comment.
8317 (df_insn_refs_delete): Made tolerant of deleting non existent info
8318 for dataflow problems that need to be reset.
8319 * df-core.c (df_set_blocks): Ditto.
8320 * df.h (struct df_problem): Added reset_fun.
8321 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8322 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8323 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8324 functions to clear out all references to def-use or use-def chains.
8326 2006-01-21 Ben Elliston <bje@au.ibm.com>
8328 * varasm.c (assemble_real): Initialise data array.
8330 2006-01-20 Paul Brook <paul@codesourcery.com>
8332 Merge from csl-arm-branch.
8333 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8334 * config/arm/arm.md (movdi): Force operands[1] to a register
8335 if we have a non-register source.
8336 (*arm_movdi, *movdf_soft_insn): Require that one of the
8337 operands be a register.
8338 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8339 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8341 2006-01-20 DJ Delorie <dj@redhat.com>
8343 * varasm.c (initialize_constant_valid_p): Allow pointers
8344 initialized from integer constants of lesser precision.
8345 (output_constant): Allow non-int-sized pointer modes to be
8346 initialized from integer constants.
8348 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8351 * cppdefault.h (struct default_include): Add multilib flag.
8352 * cppdefault.c (cpp_include_defaults): Set it.
8353 * c.opt (-imultilib): New option.
8354 * c-opts.c (imultilib): New.
8355 (c_common_handle_option): Handle -imultilib.
8356 (c_common_post_options): Likewise.
8357 * c-incpath.c (add_standard_paths, register_include_chains):
8359 * c-incpath.h (register_include_chains): Add extra parameter.
8360 * gcc.c (do_spec_1): Generate -imultilib option.
8361 (The Specs Language): Update %I description.
8362 (process_command): Update copyright notice.
8363 * doc/cppopts.texi (-imultilib): Document.
8364 * doc/invoke.texi (-imultilib): Include in option summary.
8365 (%I): Update specs documentation.
8367 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8369 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8371 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8373 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8376 2006-01-20 Richard Guenther <rguenther@suse.de>
8377 Steven Bosscher <stevenb.gcc@gmail.com>
8379 PR rtl-optimization/24626
8380 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8381 EDGE_TRUE_VALUE if in RTL mode.
8384 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8385 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8387 2006-01-20 Dirk Mueller <dmueller@suse.com>
8390 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8391 instead of a special NOP marker.
8392 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8393 NOP marker handling.
8394 * c-common.h (empty_body_warning): Add forward declaration.
8395 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8396 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8398 2006-01-20 Paul Brook <paul@codesourcery.com>
8400 * Makefile.in (lang_checks): Keep going if mkdir fails.
8402 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8404 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8405 be able to clean out basic block when not necessary.
8406 (df_scan_free): Fixed to properly delete information if df is
8407 unused before calling df_finish.
8408 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8409 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8411 (df_bb_refs_delete): New function.
8412 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8413 * df-core.c (df_set_blocks): Added code to properly clean out
8414 unused blocks if they are not part of the blocks to consider.
8415 Added additional null check.
8416 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8417 be able to clean out basic block when not necessary
8418 * df.h (df_free_bb_function): Ditto.
8419 (df_bb_refs_delete): New function.
8420 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8421 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8422 basic block parameter to be able to clean out basic block when not
8424 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8425 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8426 Fixed to properly delete information if df is unused before
8429 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8431 PR rtl-optimization/25799
8432 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8433 Corrected confluence operator to remove bits from op2 before oring
8434 with op1 rather than removing bits from op1.
8435 (df_ru_transfer_function): Corrected test on wrong bitmap which
8436 caused infinite loop. Both of these problems were introduced in
8437 the dataflow rewrite.
8439 2006-01-19 DJ Delorie <dj@redhat.com>
8441 * reload1.c (find_reload_regs): Note the details of reload
8442 failures in the dump file.
8443 (spill_failure): Likewise.
8445 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8447 * loop-iv.c: Include df.h and hashtab.h.
8448 (enum iv_grd_result): New enum.
8449 (DF_REF_IV, DF_REF_IV_SET): New macros.
8450 (struct biv_entry): New.
8451 (df, bivs): New global variables.
8452 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8453 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8455 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8456 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8457 analyzed_for_bivness_p, record_biv): New functions.
8458 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8459 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8460 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8462 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8464 (iv_number_of_iterations): Use new interface to iv analysis.
8465 * loop-unroll.c: Do not include varray.h.
8466 (analyze_iv_to_split_insn): Use new interface to iv
8468 * loop-unswitch.c (may_unswitch_on): Ditto.
8469 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8471 (df_bb_modify): Realloc tables to the new index.
8472 (df_find_use): New function.
8473 * df.h (df_find_use): Declare.
8474 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8476 * cfgloop.h (struct rtx_iv): Remove analysed field.
8477 (iv_get_reaching_def): Removed.
8478 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8479 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8480 (loop-iv.o): Add df.h and hashtab.h dependency.
8481 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8483 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8486 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8488 (__floatundisf, __floatundidf): Likewise.
8489 * libgcc2.h (IS_IBM_EXTENDED): Define.
8491 2006-01-19 DJ Delorie <dj@redhat.com>
8493 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8495 2006-01-19 Paul Brook <paul@codesourcery.com>
8497 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8498 as nothrow when unwinding tables are disabled.
8500 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8503 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8504 of bit-field" when in system header.
8506 2006-01-19 DJ Delorie <dj@redhat.com>
8508 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8509 the 16 bit shift limit of the m16c.
8511 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8514 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8515 * config/i386/i386.c (output_set_got): Output the label if we have one
8516 for the TARGET_DEEP_BRANCH_PREDICTION case.
8518 2006-01-19 Jan Hubicka <jh@suse.cz>
8519 H.J. Lu <hongjiu.lu@intel.com>
8520 Evandro Menezes <evandro.menezes@amd.com>
8522 * invoke.texi (generic): Document
8524 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8525 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8526 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8527 (x86_use_incdec, x86_pad_returns): New variables
8528 (TARGET_CPU_DEFAULT_generic): New constant
8529 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8530 (enum processor_type): Add generic32 and generic64.
8531 * i386.md (cpu attribute): Add generic32/generic64
8532 (movhi splitter): Behave sanely when both partial_reg_dependency and
8533 partial_reg_stall are set.
8534 (K8 splitters): Enable for generic as well.
8535 * predicates.md (incdec_operand): Use TARGET_INCDEC
8536 (aligned_operand): Avoid memory mismatch stalls.
8537 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8538 * ppro.md: Enable for generic32
8539 * i386.c (generic64_cost, generic32_cost): New.
8540 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8541 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8542 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8543 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8544 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8545 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8546 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8547 x86_accumulate_outgoing_args, x86_prologue_using_move,
8548 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8549 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8551 (x86_use_incdec, x86_pad_returns): New.
8552 (override_options): Add generic32 and generic64, translate "generic"
8553 to generic32/generic64 and "i686" to "generic32", refuse
8554 "generic32"/"generic64" as arch target.
8555 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8556 (ix86_reorg): Honor PAD_RETURNS.
8558 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8560 * tree-pretty-print.c (dump_generic_node): Handle
8561 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8562 * cgraph.c (cgraph_expand_queue): Rename from
8563 cgraph_analyze_queue. Update all users.
8564 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8565 cgraph_expand_queue.
8566 (cgraph_expand_all_functions): Likewise.
8567 (cgraph_finalize_pending_functions): Remove. Update callers.
8569 * tree.h (OMP_DIRECTIVE_P): Define.
8570 (OMP_PARALLEL_FN): Define.
8571 (OMP_PARALLEL_DATA_ARG): Define.
8572 (OMP_SECTIONS_SECTIONS): Define.
8573 * tree-pass.h (pass_expand_omp): Declare.
8574 * omp-low.c (struct omp_region): Declare.
8575 (struct omp_context): Remove fields 'parallel_type',
8576 'parallel_start_ix' and 'parallel_start_additional_args'.
8578 (struct omp_for_data): Rename from struct expand_omp_for_data.
8579 (omp_regions): New static variable.
8580 (root_omp_region): New static variable.
8581 (find_omp_clause): Make static.
8582 (is_in_combined_parallel_ctx): Remove.
8583 (is_combined_parallel): New.
8584 (extract_omp_for_data): Move earlier in the file.
8585 (workshare_safe_to_combine_p): New.
8586 (get_ws_args_for): New.
8587 (determine_parallel_type): Move earlier in the file.
8588 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8590 (omp_copy_decl): Likewise.
8591 (create_omp_child_function): Likewise.
8592 (lookup_omp_region): New.
8593 (dump_omp_region): New.
8594 (debug_omp_region): New.
8595 (debug_all_omp_regions): New.
8596 (new_omp_region): New.
8597 (scan_omp_parallel): If parallel_nesting_level > 1, the
8598 directive is nested within another parallel directive.
8599 Set OMP_PARALLEL_FN.
8600 (scan_omp_for): Do not try to handle combined parallel+for
8602 Remove FIXME comment.
8603 (scan_omp_nested): Remove.
8604 (scan_omp_1): Do not call scan_omp_nested when
8605 parallel_nesting_level is > 1.
8606 Do not change the DECL_CONTEXT of local variables found.
8607 (lookup_decl_in_outer_ctx): New.
8608 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8609 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8610 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8611 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8612 If CTX is nested, lookup VAR in the outer context when
8613 building copy assignment.
8614 (lower_send_clauses): Rename from expand_send_clauses.
8615 If CTX is nested, lookup VAR in the outer context when
8616 building copy assignments.
8617 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8618 If CTX is nested, lookup VAR in the outer context when
8619 building copy assignments.
8620 (expand_parallel_call): Rename from build_parallel_call.
8621 Handle combined parallel+workshare cases.
8622 Re-implement to emit code into the CFG.
8624 (expand_omp_parallel): Re-implement to emit code into the CFG.
8625 Call move_sese_region_to_fn to outline the sub-graph
8626 containing the parallel region.
8627 (expand_omp_for_1): Remove.
8628 (expand_omp_for_generic): Re-implement to emit code into the
8630 (expand_omp_for_static_nochunk): Likewise.
8631 (expand_omp_for_static_chunk): Likewise.
8632 (expand_omp_for): Likewise.
8633 (expand_omp_sections): Likewise.
8634 (remove_exit_barriers): New.
8635 (expand_omp_synch): New.
8637 (build_omp_regions_1): New.
8638 (build_omp_regions): New.
8639 (execute_expand_omp): New.
8640 (gate_expand_omp): New.
8641 (pass_expand_omp): Define.
8642 (lower_omp_sections): Rename from expand_omp_sections.
8643 Set OMP_SECTIONS_SECTIONS.
8644 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8645 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8646 (lower_omp_single): Rename from expand_omp_simple.
8647 (lower_omp_master): Rename from expand_omp_master.
8648 (lower_omp_ordered): Rename from expand_omp_ordered.
8649 (lower_omp_critical): Rename from expand_omp_critical.
8650 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8651 (lower_omp_for): Re-implement.
8652 (lower_omp_parallel): Re-implement.
8653 (lower_regimplify): Rename from expand_regimplify.
8654 (lower_omp_1): Rename from expand_omp_1.
8655 If there are syntax errors in the program, replace every
8656 OpenMP directive with NOP.
8657 Call lower_omp_* instead of expand_omp_*.
8658 (lower_omp): Rename from expand_omp.
8660 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8661 * tree-gimple.h (enum omp_parallel_type): Remove.
8662 (gimple_boolify): Declare extern.
8663 (find_omp_clause, determine_parallel_type): Remove.
8665 * gimple-low.c (lower_omp_directive): New.
8666 (lower_stmt): Call it.
8667 (record_vars_into): Move from ...
8668 (record_vars): ... here.
8669 Call record_vars_into with current_function_decl.
8671 * gimplify.c (struct gimplify_ctx): Remove fields
8672 combined_pre_p and combined_ctxp. Update users.
8673 (get_formal_tmp_var): Add documentation.
8674 (gimple_boolify): Make extern.
8675 (gimplify_expr_in_ctx): Remove. Update callers.
8676 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8677 will always be a BIND_EXPR.
8678 (gimplify_expr): Handle OMP_RETURN_EXPR.
8679 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8680 (OMP_PARALLEL): Add 3 operands.
8681 (OMP_SECTIONS): Add 1 operand.
8682 (OMP_RETURN_EXPR): Define.
8684 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8685 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8686 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8687 creating a circular free list.
8688 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8690 * tree-flow.h (move_sese_region_to_fn): Declare.
8691 (record_vars_into): Declare.
8692 * tree-cfg.c (make_omp_sections_edges): New.
8693 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8694 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8695 OMP_SECTIONS and OMP_SECTION.
8696 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8697 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8698 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8699 (gather_blocks_in_sese_region): New.
8700 (struct move_stmt_d): Declare.
8702 (move_block_to_fn): New.
8703 (move_sese_region_to_fn): New.
8705 * passes.c (init_optimization_passes): Schedule
8706 pass_expand_omp after pass_init_datastructures.
8708 * tree-ssa-operands.c (get_expr_operands): Handle
8709 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8710 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8712 2006-01-19 Jeff Law <law@redhat.com>
8714 * tree-vrp.c (extract_range_from_assert): Refine the result range
8715 if the variable referenced by the ASSERT_EXPR has a range and
8716 either the tentative result range or the previous range is a
8719 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8721 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8723 2006-01-19 Jan Hubicka <jh@suse.cz>
8725 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8727 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8729 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8730 (expand_compound_operation, expand_field_assignment): Fail if the
8731 bit lengths of an extract operation are out of range.
8732 (make_extraction): Compute wanted_inner_mode based on the position
8733 and length of the extraction. Make it extraction_mode for non-constant
8734 positions, and do not modify offset in that case. When generating a
8735 new MEM, use a mode that can hold the extraction while keeping correct
8736 alignment. Remove code that supported MEMs wrapped by USEs.
8737 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8739 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8741 * config/s390/s390.md ("Y", "y"): New mode attribute.
8742 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8743 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8744 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8745 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8746 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8747 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8748 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8749 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8750 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8751 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8752 "addsi3", "subsi3"): Insn patterns removed.
8753 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8754 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8755 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8756 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8757 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8758 "*sub<mode>3_cconly2"): New insn patterns.
8759 ("addsi3", "subsi3"): New expanders.
8761 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8763 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8764 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8765 existing STMT_VINFO_VECTYPE if available.
8766 (vect_mark_relevant): Add special handling for stmts that are
8767 marked as STMT_VINFO_IN_PATTERN_P.
8768 (vect_analyze_loop): Call vect_pattern_recog.
8769 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8770 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8772 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8773 (vect_recog_func_ptr): New function-pointer type.
8774 * tree-vect-patterns.c: New file.
8775 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8776 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8777 (vect_pattern_recog_1): New functions.
8778 (vect_pattern_recog_funcs): New array of function pointers.
8780 * tree-vectorizer.h (ternary_op): New enum value.
8781 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8782 declaration. Revised documentation. Removed redundant dump prints.
8783 Removed redundant argument. Added support for reduction patterns.
8784 (vectorizable_reduction): Added support for reduction patterns.
8785 (vect_transform_stmt): Added support for patterns.
8787 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8788 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8789 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8790 (expand_widen_pattern_expr): New function.
8791 (init_optabs): Initialize new optabs udot_prod_optab,
8793 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8794 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8795 (expand_widen_pattern_expr): New function declaration.
8796 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8798 * tree-inline.c (estimate_num_insns_1): Added cases for new
8799 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8800 * tree-pretty-print.c (dump_generic_node): Likewise.
8801 (op_prio): Likewise.
8802 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8803 * tree-ssa-operands.c (get_expr_operands): Added case for
8805 * tree-vect-patterns.c (widened_name_p): New function.
8806 (vect_recog_dot_prod_pattern): Added function implementation.
8807 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8808 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8809 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8810 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8812 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8813 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8814 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8815 (init_optabs): Initialize new optabs widen_ssum_optab,
8817 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8818 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8819 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8820 use instead of type of def.
8821 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8822 function implementation.
8823 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8824 widen_ssumv8hi): New.
8826 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8829 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8832 * c-decl.c (add_flexible_array_elts_to_size): New function.
8833 (finish_decl): Use it.
8835 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8837 * diagnostic.h: Include options.h.
8838 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8839 dependancies for diagnostic.h.
8840 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8842 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8844 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8845 (ssa_ro_call_cache_valid): Ditto.
8846 * tree-ssa-alias.c (sort_tags_by_id): New function.
8847 (init_transitive_clobber_worklist): Ditto.
8848 (add_to_worklist): Ditto.
8849 (mark_aliases_call_clobbered): Ditto.
8850 (compute_tag_properties): Ditto.
8851 (set_initial_properties): Ditto.
8852 (compute_call_clobbered): Ditto.
8853 (compute_may_aliases): Call compute_call_clobbered and grouping.
8854 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8855 (compute_flow_insensitive_aliasing): Grouping now happens in our
8857 (setup_pointers_and_addressables): Remove clobbering related code.
8858 (add_may_alias): Ditto.
8859 (replace_may_alias): Ditto.
8860 (get_nmt_for): Ditto.
8861 (create_global_var):
8862 (is_escape_site): Return an escape_type enumeration.
8863 * tree-flow-inline.h (is_call_clobbered): Global var does not
8864 imply call clobbered.
8865 (mark_call_clobbered): Take a reason for marking this. Remove
8866 marking of globalness, and cache invalidation.
8867 (clear_call_clobbered): Remove cache invalidation code.
8868 * tree-dfa.c (dump_variable): If details is on, dump the reason
8870 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8872 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8873 (struct var_ann_d): Ditto.
8874 (enum escape_type): New.
8875 (mark_call_clobbered): Adjust prototype.
8876 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8877 are never call clobbered.
8878 Record reasons for escaping.
8879 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8880 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8881 (ssa_ro_call_cache_valid): Ditto.
8882 (clobbered_v_may_defs): Ditto.
8883 (clobbered_vuses): Ditto.
8884 (ro_call_vuses): Ditto.
8885 (clobber_stats): New.
8886 (init_ssa_operands): Zero out clobber stats.
8887 (fini_ssa_operands): Print out clobber stats.
8888 (get_call_expr_operands): Pass callee fndecl to
8890 (add_call_clobber_ops): Remove use of cache.
8891 Add use of PURE_CONST information.
8892 (add_call_read_ops): Remove use of cache.
8893 Add use of static not_read information.
8895 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8897 Introduce TLS descriptors for i386 and x86_64.
8898 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8899 (TARGET_ANY_GNU_TLS): New macro.
8900 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8901 (struct machine_function): Add tls_descriptor_call_expanded_p.
8902 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8903 (ix86_current_function_calls_tls_descriptor): Likewise.
8904 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8905 (override_options): Introduce gnu2 tls dialect.
8906 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8908 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8910 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8911 (ix86_init_machine_status): Initialize new field.
8912 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8913 (ix86_tls_module_base): New.
8914 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8915 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8916 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8917 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8918 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8919 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8920 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8921 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8922 * config/i386/predicates.md (tls_modbase_operand): New.
8923 (tp_or_register_operand): New.
8925 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8927 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8928 (look_for_address_of): Ditto.
8929 (ipa_init): Walk the function decls.
8930 (static_execute): Don't set readonly on FUNCTION_DECL's.
8932 2006-01-18 Roger Sayle <roger@eyesopen.com>
8934 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8935 for shifts where the source and destination registers are different.
8937 2006-01-18 Paul Brook <paul@codesourcery.com>
8939 Merge from csl-arm-branch.
8940 2005-03-14 Julian Brown <julian@codesourcery.com>
8941 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8942 (aeabi_llsl): Likewise.
8943 (ashrdi3): Likewise.
8944 (aeabi_lasr): Likewise.
8945 (lshrdi3): Likewise.
8946 (aeabi_llsr): Likewise.
8947 2005-03-10 Julian Brown <julian@codesourcery.com>
8948 * config.gcc: Disable shared libgcc for SymbianOS.
8949 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8951 2006-01-18 DJ Delorie <dj@redhat.com>
8953 * c-pragma.c (handle_pragma_diagnostic): New.
8954 (init_pragma): Register it.
8955 * doc/extend.texi: Document it.
8957 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8958 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8959 (diagnostic_context): Add classify_diagnostic[].
8960 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8961 as errors if they're overridden to DK_WARNING.
8962 (diagnostic_initialize): Initialize classify_diagnostic[].
8963 (diagnostic_set_kind_override): New.
8964 (diagnostic_report_diagnostic): Check for kind changes.
8965 * opts.c (common_handle_option): Take lang_mask. Update callers.
8967 * common.opt (Werror=): New.
8968 * doc/invoke.texi: Document -Werror=*
8970 2006-01-18 Jeff Law <law@redhat.com>
8972 * tree-vrp.c (test_for_singularity): Correct test for new
8973 min limit. Use operand_equal_p rather than pointer equality
8974 for testing if new min/max values are equal.
8976 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8977 using range information until after propagation and folding.
8979 2006-01-18 Richard Henderson <rth@redhat.com>
8980 Aldy Hernandez <aldyh@redhat.com>
8981 Jakub Jelinek <jakub@redhat.com>
8982 Diego Novillo <dnovillo@redhat.com>
8984 * omp-low.c: New file.
8985 * c-omp.c: New file.
8987 2006-01-18 Richard Henderson <rth@redhat.com>
8988 Jakub Jelinek <jakub@redhat.com>
8989 Diego Novillo <dnovillo@redhat.com>
8991 * doc/invoke.texi: Document -fopenmp.
8992 * tree-dump.h (debug_function): Declare.
8993 * hooks.c (hook_bool_tree_bool_false): New function.
8994 (hook_tree_tree_null): Remove.
8995 (hook_tree_tree_tree_null): New.
8996 * hooks.h: Update to match.
8997 * tree-pretty-print.c (debug_tree_chain): New.
8998 (print_generic_expr): Handle TDF_CHAIN.
8999 (dump_generic_node): Handle BLOCK.
9000 Do not abort with incomplete SWITCH_EXPRs.
9001 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9002 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9003 print space after directive name.
9004 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9005 Handle OMP_MASTER and OMP_ORDERED.
9006 Handle printing of OMP_BODY just in one place, goto
9007 dump_omp_body in the rest of OMP_* nodes that have
9009 Don't handle clause nodes here. Update omp statements to
9010 use dump_omp_clauses.
9011 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9012 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9013 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9014 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9015 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9016 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9017 Adjust output for GOMP_PARALLEL.
9018 (dump_omp_clauses): New.
9019 (print_declaration): Dump DECL_VALUE_EXPR.
9020 (op_symbol_1): Split out of op_symbol.
9021 (dumping_stmts): Remove. Update all users.
9022 * cgraph.c (cgraph_analyze_queue): New.
9023 (cgraph_add_new_function): New.
9024 * cgraph.h (cgraph_analyze_queue): Declare.
9025 (cgraph_add_new_function): Declare.
9026 (cgraph_lower_function): Remove.
9027 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9028 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9029 and TYPE_P nodes in its default clause.
9030 (empty_body_p): New.
9031 (tree_range_check_failed): New.
9033 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9034 OMP_CLAUSE_REDUCTION_MERGE,
9035 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9036 OMP_CLAUSE_PRIVATE_DEBUG,
9037 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9038 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9039 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9040 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9041 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9042 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9043 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9044 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9045 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9046 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9047 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9048 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9049 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9050 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9051 (TREE_RANGE_CHECK): New.
9052 (empty_body_p): Declare.
9053 (enum omp_clause_default_kind): New.
9054 (build_string_literal): Declare.
9055 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9056 (build5_stat, build5): Declare.
9057 * tree-pass.h (TDF_CHAIN): Define.
9058 * tree-pass.h (PROP_gimple_lomp): Define.
9059 (pass_lower_omp): Declare.
9060 * diagnostic.h (debug_tree_chain): Declare.
9061 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9063 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9064 * builtins.c (build_string_literal): Make extern.
9065 * gcc.c (include_spec_function): New.
9066 (static_spec_functions): Add it.
9067 (main): Move load of libgomp.spec ...
9068 (LINK_COMMAND_SPEC): ... here.
9069 (link_gomp_spec): New.
9070 (static_specs): Include it.
9071 (LINK_COMMAND_SPEC): Add link_gomp.
9072 (GOMP_SELF_SPECS): New.
9073 (driver_self_specs): Include it.
9074 (switch_matches): Don't mark inline.
9075 (main): Load libgomp.spec.
9076 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9077 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9078 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9079 * tree-gimple.h (enum omp_parallel): Declare.
9080 (determine_parallel_type): Declare.
9081 (omp_firstprivatize_variable): Declare.
9082 (omp_reduction_init): Declare.
9083 (diagnose_omp_structured_block_errors): Declare.
9084 (struct walk_stmt_info): Add want_return_expr.
9085 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9086 (find_omp_clause): Declare.
9087 (insert_field_into_struct): Declare.
9088 (struct walk_stmt_info): Move from tree-nested.c
9089 (walk_stmts): Declare.
9090 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9092 * cgraphunit.c (cgraph_lower_function): Make static.
9093 (cgraph_finalize_pending_functions): New.
9094 (cgraph_finalize_function): Call it.
9095 (cgraph_finalize_compilation_unit): Likewise.
9096 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9097 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9098 (BT_FN_UINT_UINT): New.
9099 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9100 DEF_FUNCTION_TYPE_VAR_4): Document.
9101 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9102 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9103 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9104 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9105 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9106 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9107 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9108 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9109 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9110 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9111 into separate files.
9112 (DEF_GOMP_BUILTIN): New.
9113 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9114 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9115 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9116 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9117 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9118 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9119 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9120 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9121 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9122 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9123 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9124 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9125 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9126 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9127 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9128 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9129 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9130 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9131 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9132 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9133 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9134 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9135 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9136 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9137 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9138 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9139 * sync-builtins.def: New file, moved from builtins.def.
9140 * omp-builtins.def: New file, moved from builtins.def.
9141 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9142 * gimple-low.c (lower_function_body): Clear data.
9143 (lower_stmt): Do not handle COMPOUND_EXPR.
9144 Remove call to print_node_brief.
9145 * c-tree.h (c_finish_omp_clauses): New prototype.
9146 (C_DECL_THREADPRIVATE_P): Define.
9147 (lookup_name_no_remap, c_omp_remap_private): Remove
9148 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9149 (check_for_loop_decls): Update decl.
9150 (lookup_name_no_remap, c_omp_remap_private): Declare.
9151 (build_indirect_ref, build_modify_expr, pushdecl,
9152 pushdecl_top_level): Move to c-common.h.
9153 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9154 before the switch, but just in the 2 places that need it.
9155 * c-decl.c (diagnose_mismatched_decls): Do not check for
9156 mismatched thread-local attributes when OLDDECL is marked
9157 threadprivate and NEWDECL has no thread-local attributes.
9158 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9159 (c_gimple_diagnostics_recursively): Rename from
9160 c_warn_unused_result_recursively. Invoke
9161 diagnose_omp_structured_block_errors.
9162 (check_for_loop_decls): Return a singular decl found.
9163 * langhooks.c (lhd_omp_predetermined_sharing): Return
9164 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9165 (lhd_omp_firstprivatize_type_sizes): New.
9166 (lhd_omp_assignment): New.
9167 (lhd_omp_predetermined_sharing): New.
9168 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9169 (struct lang_hooks_for_types): Add
9170 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9171 omp_predetermined_sharing, omp_disregard_value_expr,
9172 omp_private_debug_clause, omp_clause_default_ctor,
9173 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9174 (c_finish_omp_clauses): New.
9175 (c_finish_bc_stmt): Diagnose break within omp for.
9176 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9177 (build_unary_op): Return error_mark after reporting
9179 (build_modify_expr): Likewise.
9180 * gimplify.c: Include optabs.h and pointer-set.h.
9181 (enum gimplify_omp_var_data): Declare.
9182 (struct gimplify_omp_ctx): Declare.
9183 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9185 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9186 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9187 (splay_tree_compare_decl_uid): New.
9188 (new_omp_context): New.
9189 (delete_omp_context): New.
9190 (gimple_add_tmp_var): Call omp_add_variable.
9191 (gimplify_bind_expr): Likewise.
9192 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9193 true, disregard DECL_VALUE_EXPR on the decl if any.
9194 (gimplify_expr_in_ctx): New.
9195 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9196 omp_add_variable, omp_notice_variable, omp_is_private
9197 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9198 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9199 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9200 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9201 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9202 gimplify_omp_atomic): New.
9203 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9204 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9205 OMP_CRITICAL and OMP_ATOMIC.
9206 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9207 * c-pragma.h (enum pragma_kind): Add
9208 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9209 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9210 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9211 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9212 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9213 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9214 PRAGMA_OMP_THREADPRIVATE.
9215 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9216 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9217 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9218 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9219 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9220 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9221 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9222 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9223 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9224 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9225 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9226 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9227 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9229 (struct nesting_info): Add field_map,
9230 suppress_expansion, debug_var_chain.
9231 (create_nesting_tree): Initialize them.
9232 (lookup_field_for_decl): Use field_map.
9233 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9234 (convert_local_omp_clauses): New.
9235 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9236 (walk_body): Split out of walk_function.
9237 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9238 (convert_nonlocal_reference): Handle omp statements.
9239 (convert_local_reference): Likewise.
9240 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9241 (unnest_nesting_tree): New.
9242 (lower_nested_functions): Call it.
9243 (insert_field_into_struct): Make extern.
9244 (struct walk_stmt_info): Move to tree-gimple.h.
9245 (walk_stmts): Make extern.
9246 * omp-builtins.def: New file.
9247 * tree-iterator.c (expr_only): Clarify comment.
9248 * c-common.h (pushdecl_top_level, pushdecl,
9249 build_modify_expr, build_indirect_ref,
9250 c_finish_omp_master, c_finish_omp_critical,
9251 c_finish_omp_ordered, c_finish_omp_barrier,
9252 c_finish_omp_atomic, c_finish_omp_flush,
9253 c_finish_omp_for, c_split_parallel_clauses,
9254 omp_clause_default_kind, c_omp_sharing_predetermined,
9255 c_omp_remap_decl): Declare.
9256 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9257 (OBJS-common): Add omp-low.o.
9258 (c-omp.o, omp-low.o): Add.
9259 (gimplify.o): Add dependency on $(OPTABS_H).
9260 (GTFILES): Add omp-low.c.
9261 (gt-stringpool.h): Add.
9262 * tree-cfg.c (set_bb_for_stmt): Do not update the
9263 block-to-labels map if we are currently expanding to RTL.
9264 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9266 Handle IDENTIFIER_NODE.
9267 (tree_verify_flow_info): Do not ICE when emitting error
9268 messages about invalid labels.
9269 (dump_function_to_file): Reset CFUN before emitting the body
9271 (debug_function): New.
9272 * passes.c (init_optimization_passes): Schedule
9274 * langhooks-def.h (lhd_omp_predetermined_sharing,
9275 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9277 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9278 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9279 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9280 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9281 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9282 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9283 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9284 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9285 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9286 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9287 (LANG_HOOK_DECLS): Use them.
9289 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9290 Richard Henderson <rth@redhat.com>
9291 Jakub Jelinek <jakub@redhat.com>
9292 Diego Novillo <dnovillo@redhat.com>
9294 * c-parser.c (pragma_omp_clause): Define.
9295 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9296 (c_parser_compound_statement): Likewise.
9297 (c_parser_statement): Likewise.
9298 (c_parser_pragma): Handle omp pragmas.
9299 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9300 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9301 (c_parser_omp_clause_name, check_no_duplicate_clause,
9302 c_parser_omp_variable_list,
9303 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9304 c_parser_omp_clause_copyprivate,
9305 c_parser_omp_clause_default,
9306 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9307 c_parser_omp_clause_lastprivate,
9308 c_parser_omp_clause_nowait,
9309 c_parser_omp_clause_num_threads,
9310 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9311 c_parser_omp_clause_reduction,
9312 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9313 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9314 c_parser_omp_atomic, c_parser_omp_barrier,
9315 c_parser_omp_critical, c_parser_omp_flush,
9316 c_parser_omp_for_loop, c_parser_omp_for,
9317 c_parser_omp_master, c_parser_omp_ordered,
9318 c_parser_omp_sections_scope, c_parser_omp_sections,
9319 c_parser_omp_parallel, c_parser_omp_single,
9320 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9321 * c-pragma.c (init_pragma): Do omp pragma registration here.
9322 * c.opt (fopenmp): New flag.
9324 2006-01-18 Eric Christopher <echristo@apple.com>
9326 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9327 * config/darwin.h (GOMP_SELF_SPECS): Define.
9329 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9331 * rtl.h: Remove the prototype for reg_alloc.
9333 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9336 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9337 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9338 sjlj and dwarf2 exception handling.
9339 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9340 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9341 * pa/pa.c (function_value): Treat complex and vector types as
9343 (function_arg): Likewise. Only pass scalar floats in the floating
9344 point argument registers.
9345 * pa/t-slibgcc-dwarf-ver: New file.
9346 * pa/t-slibgcc-sjlj-ver: New file.
9347 * pa/t-slibgcc-elf-ver: Delete file.
9349 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9351 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9352 unlikely_test_section_p test.
9354 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9356 * mode-switching.c (optimize_mode_switching): Make it static.
9357 * basic-block.h: Remove the prototype for
9358 optimize_mode_switching.
9360 * modulo-sched.c (sms_schedule): Make it static.
9361 * rtl.h: Remove the prototype for sms_schedule.
9363 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9364 * rtl.h: Remove the prototype for gcse_after_reload_main.
9366 * reg-stack.c (reg_to_stack): Make it static.
9367 * rtl.h: Remove the prototype for reg_to_stack.
9369 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9371 * rtl.h: Remove the prototypes for regrename_optimize and
9372 copyprop_hardreg_forward.
9374 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9376 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9377 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9378 Test against the appropriate null constant for the mode.
9379 If 'fixup_overlap' is true, swap the operands if they overlap.
9380 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9381 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9382 alpha_split_tmode_pair and adjust for above change.
9383 * config/alpha/alpha.md (movtf_internal): Adjust call to
9384 alpha_split_tfmode_pair and rely on it to swap the operands.
9385 (movti_internal): New insn and post-reload splitter.
9386 (movti): New expander.
9388 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9390 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9393 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9395 * rtlanal.c (global_reg_mentioned_p_1,
9396 global_reg_mentioned_p): Remove.
9397 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9399 * flow.c (initialize_uninitialized_subregs): Make it static.
9400 * rtl.h: Remove the prototype for
9401 initialize_uninitialized_subregs.
9403 * function.c (instantiate_virtual_regs): Make it static.
9404 * function.h: Remove the prototype for
9405 instantiate_virtual_regs.
9407 * regmove.c (regmove_optimize, combine_stack_adjustments):
9409 * rtl.h: Remove the prototypes for regmove_optimize and
9410 combine_stack_adjustments.
9412 2006-01-17 Roger Sayle <roger@eyesopen.com>
9414 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9415 (size_cost): Encode costs in bytes so that a reg-reg addition is
9416 equivalent to COSTS_N_INSNS(1).
9417 (override_options): Use the size_cost.branch_cost as the default
9418 ix86_branch_cost when optimizing for size.
9420 2006-01-18 Ben Elliston <bje@au.ibm.com>
9422 * Makefile.in (D32PBIT_FUNCS): New.
9423 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9424 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9425 D64PBIT_FUNCS and D128PBIT_FUNCS.
9426 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9427 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9429 (decnumber_dep): Define.
9430 * doc/libgcc.texi (Decimal float library routines): New node.
9431 * config/dfp-bit.h, config/dfp-bit.c: New files.
9433 2006-01-18 Ben Elliston <bje@au.ibm.com>
9435 * expr.c (emit_move_change_mode): Always adjust addresses, not
9436 just during reload. Copy replacements only during reload.
9437 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9438 emit_move_via_integer.
9440 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9442 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9443 instead of $(srcdir) and ${srcdir}.
9445 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9449 * arm.h (struct machine_function): Add pic_reg.
9450 * arm.c (arm_pic_register): Make unsigned.
9451 (arm_override_options): Only set arm_pic_register if
9452 TARGET_SINGLE_PIC_BASE.
9453 (use_return_insn): Only test for a pic register if it is fixed.
9454 (arm_compute_save_reg0_reg12_mask): Likewise.
9455 (thumb_compute_save_reg_mask): Likewise.
9456 (legitimate_pic_operand): Factor out some known invariants.
9457 (legitimize_pic_address): If we don't have a fixed pic register,
9458 then set up a pseudo in the function entry sequence. Handle the
9459 pic base being in a pseudo.
9460 (arm_load_pic_register): Handle the pic register being in a pseudo.
9461 (arm_expand_prologue): Only set up the pic register if it is fixed.
9462 (thumb_expand_prologue): Likewise.
9463 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9464 (pic_load_addr_based_insn): Likewise.
9465 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9468 2006-01-18 Ben Elliston <bje@au.ibm.com>
9470 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9471 decimal float modes for all floating point registers.
9473 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9474 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9476 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9479 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9480 even when the pointer is not NULL.
9482 2006-01-16 Ian Lance Taylor <ian@airs.com>
9484 * common.opt (ftoplevel-reorder): New option.
9485 * cgraph.c (cgraph_asm_nodes): New global variable.
9486 (cgraph_asm_last_node): New static variable.
9487 (cgraph_order): New global variable.
9488 (cgraph_create_node): Set new order field.
9489 (cgraph_varpool_node): Likewise.
9490 (decide_is_variable_needed): Return true if not
9491 flag_toplevel_reorder.
9492 (cgraph_add_asm_node): New function.
9493 * cgraph.h (struct cgraph_node): Add order field.
9494 (struct cgraph_varpool_node): Add order field.
9495 (struct cgraph_asm_node): Define.
9496 (cgraph_asm_nodes, cgraph_order): Declare.
9497 (cgraph_add_asm_node): Declare.
9498 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9500 (cgraph_varpool_assemble_pending_decls): Call it.
9501 (cgraph_output_pending_asms): New static function.
9502 (cgraph_finalize_compilation_unit): Call it.
9503 (struct cgraph_order_sort): Define.
9504 (cgraph_output_in_order): New static function.
9505 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9506 !flag_toplevel_reorder case.
9507 * c-parser.c: Include "cgraph.h".
9508 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9510 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9511 than -fno-unit-at-a-time.
9512 * doc/invoke.texi (Option Summary): Mention
9513 -fno-toplevel-reorder.
9514 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9515 -funit-at-a-time documentation.
9517 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9518 Kazu Hirata <kazu@codesourcery.com>
9520 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9522 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9524 * Makefile.in (FUNCTION_H): New. Use it instead of
9525 function.h throughout the file.
9526 * function.h: Include tree.h.
9528 2006-01-17 Ben Elliston <bje@au.ibm.com>
9530 * recog.c: Separate some functions with whitespace.
9532 2006-01-16 Richard Henderson <rth@redhat.com>
9534 Merge from gomp branch:
9535 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9536 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9537 and rename from struct inline_data. Rename callee* to dst*;
9538 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9539 transform_new_cfg, transform_return_to_modify, and
9540 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9542 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9543 (copy_decl_for_dup): Remove.
9544 * tree-inline.c (struct inline_data): Move to header.
9545 (insert_decl_map): Export.
9546 (remap_decl): Update for member name changes. Use copy_decl hook.
9547 Allow for replacement to be a non-decl. Remove dead code.
9548 (remap_type_1): Check for existing mapping.
9549 (remap_type): Export.
9550 (remap_decls): Update for member name changes.
9551 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9552 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9553 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9554 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9555 (tree_function_versioning, build_duplicate_type): Likewise.
9556 (copy_body_r): Likewise. Export.
9557 (copy_decl_for_dup): Split into ...
9558 (copy_decl_for_dup_finish, copy_decl_to_var,
9559 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9560 (replace_ref_tree, inlining_p): Remove.
9562 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9564 * ifcvt.c (if_convert): Make it static.
9565 * rtl.h: Remove the prototype for if_convert.
9567 * local-alloc.c (local_alloc): Make it static.
9568 * rtl.h: Remove the prototype for local_alloc.
9570 * loop.c (loop_optimize): Make it static.
9571 * cfgloop.h: Remove the prototype for loop_optimize.
9574 2006-01-16 DJ Delorie <dj@redhat.com>
9576 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9579 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9581 * pa.md: Disparage copies between general and floating-point registers
9582 in 32-bit move patterns.
9584 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9587 * Makefile.in (check-%): Depend on site.exp instead of
9588 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9591 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9593 * global.c (global_alloc): Make it static.
9594 * rtl.h: Remove the prototype for global_alloc.
9596 2006-01-16 Richard Guenther <rguenther@suse.de>
9598 * tree-ssa-alias.c (struct used_part): Add write_only field.
9599 (get_or_create_used_part_for): Initialize it to true.
9600 (create_overlap_variables_for): Don't create structure variables
9601 for structures that only are written to.
9602 (find_used_portions): Handle MODIFY_EXPR to track whether a
9603 structure is only written to.
9605 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9607 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9609 * basic-block.h: Remove the prototype for
9610 partition_hot_cold_basic_blocks.
9612 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9614 * cppspec.c (lang_specific_spec_functions): Remove.
9615 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9616 * gcc.h (lang_specific_spec_functions): Remove.
9617 * gccspec.c (lang_specific_spec_functions): Remove.
9619 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9621 * combine.c (record_value_for_reg): Invalidate registers
9623 (record_dead_and_set_regs_1): Likewise, by passing them to
9624 record_value_for_reg.
9625 (record_dead_and_set_regs): Invalidate stores made by a
9626 call. We do not combine across a call, but we still
9627 relied on equivalences.
9629 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9631 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9632 vrp_int_const_binop returning non-constant nodes.
9634 2006-01-16 Paul Brook <paul@codesourcery.com>
9636 * config/m68k/m68k.c (output_move_const_into_data_reg):
9637 Output correct mnemonic for mvz and mvs.
9639 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9641 * rtl-factoring.c: Add sequence abstraction algorithm.
9642 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9643 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9645 (block_has_preserve_label): New function.
9646 * common.opt: Register new pass.
9647 * Makefile.in: Ditto.
9649 * timevar.def: Ditto.
9650 * tree-pass.h: Ditto.
9651 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9652 * rtl.h (make_jump_insn_raw): Add forward decl.
9653 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9655 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9656 Roger Sayle <roger@eyesopen.com>
9658 * fold-const.c (fold_minmax): New static function.
9659 (fold_binary) <MIN_EXPR>: Call it.
9660 <MAX_EXPR>: Likewise.
9661 * stor-layout.c (place_field): Use DECL_SIZE consistently
9662 in the computation of the new record size.
9664 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9666 * cse.c (cse_condition_code_reg): Make it static.
9667 * rtl.h: Remove the prototype for cse_condition_code_reg.
9669 * combine.c (combine_instructions): Make it static.
9670 * rtl.h: Remove the prototype for combine_instructions.
9672 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9675 * tree.c (get_file_function_name_long): Concatenate the first global
9676 object name with a string derived from the input filename of the object
9679 2006-01-16 Ben Elliston <bje@au.ibm.com>
9681 * config/i386/winnt-stubs.c: Update FSF address.
9682 * config/xtensa/ieee754-df.S: Ditto.
9683 * config/xtensa/ieee754-sf.S: Ditto.
9685 2006-01-14 Ian Lance Taylor <ian@airs.com>
9687 * ifcvt.c (noce_init_if_info): New static function, broken out of
9688 noce_process_if_block.
9689 (noce_process_if_block): Call noce_init_if_info.
9690 (check_cond_move_block): New static function.
9691 (cond_move_process_if_block): New static function.
9692 (process_if_block): Call cond_move_process_if_block.
9694 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9696 * cselib.c (hash_table): Rename to cselib_hash_table.
9697 (cselib_clear_table, discard_useless_values,
9698 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9699 cselib_init, cselib_finish): Adjust uses of hash_table.
9701 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9703 PR tree-optimization/25485
9704 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9705 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9706 is known to be false and true, respectively.
9708 2006-01-14 Richard Guenther <rguenther@suse.de>
9710 PR tree-optimization/22548
9711 PR tree-optimization/22555
9712 PR tree-optimization/22501
9713 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9714 * params.def (salias-max-array-elements): New parameter.
9715 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9716 * doc/invoke.texi (salias-max-array-elements): Document.
9717 * tree-flow-inline.h (var_can_have_subvars): We also handle
9719 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9721 * tree-ssa-structalias.c (params.h): Include.
9722 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9723 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9724 (get_constraint_for): For ADDR_EXPR operating on something
9725 containing an ARRAY_REF, add all subvars to the solution.
9726 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9727 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9728 for creating MUST_DEFs.
9729 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9731 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9733 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9735 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9736 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9737 number_of_iterations_le): New functions.
9738 (number_of_iterations_special): Removed.
9739 (number_of_iterations_exit): Do not use number_of_iterations_special.
9740 * tree.c (unsigned_type_for): Always return integer type.
9742 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9743 Richard Guenther <rguenther@suse.de>
9745 PR rtl-optimization/24257
9746 * gcse.c (find_moveable_store): Only consider a store movable
9747 when the SET_SRC of the insn can be assigned to a register.
9749 2006-01-14 Ian Lance Taylor <ian@airs.com>
9751 * tree.c (tree_not_class_check_failed): New function.
9752 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9753 (tree_not_class_check_failed): Declare.
9755 2006-01-13 Ian Lance Taylor <ian@airs.com>
9757 * reload1.c (do_output_reload): Add assertion rejecting a
9760 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9762 * combine.c (struct reg_stat): Add new fields truncation_label and
9764 (record_value_for_reg): Reset truncated_to_mode.
9765 (record_truncated_value): New function.
9766 (check_promoted_subreg): Call it. Rename to check_conversions.
9767 (combine_instructions): Rename check_promoted_subreg to
9769 (reg_truncated_to_mode): New function.
9770 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9771 (gen_lowpart_or_truncate): New function.
9772 (force_to_mode): Use it instead of gen_lowpart.
9774 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9776 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9777 VAR is a tag, not its type tag.
9779 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9781 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9782 alternatives to match style of other entries.
9783 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9785 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9787 PR tree-optimization/25771
9788 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9791 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9794 * tree-inline.c (declare_return_variable): If the return variable
9795 was marked as a non gimple complex, set the return slot variable
9796 to be a non gimple comple variable.
9798 2006-01-13 Richard Guenther <rguenther@suse.de>
9800 * builtins.c (expand_builtin_sincos): New function.
9801 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9803 (expand_builtin): Expand sincos using expand_builtin_sincos.
9805 2006-01-12 DJ Delorie <dj@redhat.com>
9807 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9808 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9809 so that constant shifts can be split.
9810 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9811 (m32c_valid_pointer_mode): Make static.
9812 (shift_gen_func_for): New.
9813 (m32c_prepare_shift): Use it. Split large const shifts into
9815 * config/m32c/predicates.md (shiftcount_operand): Allow more
9817 (longshiftcount_operand): New.
9818 * doc/md.texi (Machine Constraints): Document In6.
9820 2006-01-13 Ben Elliston <bje@au.ibm.com>
9822 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9823 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9826 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9828 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9829 to try to avoid clobbering pieces of structures when we know
9830 something about the whole structure.
9831 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9833 2006-01-13 Ben Elliston <bje@au.ibm.com>
9835 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9836 return in memory, as this is no limitation is no longer present.
9838 2006-01-12 DJ Delorie <dj@redhat.com>
9840 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9841 mova with fb, and for fb+0 -> An.
9843 * config/m32c/mov.md (peephole2): Fix enabling logic.
9845 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9846 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9847 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9848 FINI_ARRAY_SECTION_ASM_OP): Define.
9850 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9852 (m32c_legitimize_reload_address): New logic to reload FB to An.
9853 (m32c_output_reg_push): Add newline.
9854 (m32c_output_reg_pop): Likewise.
9856 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9858 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9860 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9862 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9864 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9866 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9869 2006-01-11 Ben Elliston <bje@au.ibm.com>
9871 * rtlanal.c (find_reg_note): Assert insn is not null.
9873 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9875 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9878 2006-01-11 Jeff Law <law@redhat.com>
9880 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9882 (mark_threaded_blocks, register_jump_thread): New functions.
9883 (thread_through_all_blocks): Remove unwanted argument. No
9884 longer rely on e->aux to communicate thread target info.
9885 Call mark_threaded_blocks. Release the threaded_blocks
9886 bitmap and threaded_edges vector when complete.
9887 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9888 (threaded_blocks): Remove.
9889 (tree_ssa_dominator_optimize): Remove initialization and
9890 finalization of threaded_blocks. Simplify call to
9891 thread_through_all_blocks.
9892 (thread_across_edge): Call register_jump_thread rather than
9893 storing thread information into e->aux.
9894 (free_all_edge_infos): Simplify now that e->aux is no longer
9895 used to communicate with thread_through_all_blocks.
9896 * tree-flow.h (thread_through_all_blocks): Update prototype.
9897 (register_jump_thread): Prototype.
9899 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9901 * df-core.c (df_compact_blocks, df_bb_replace): Use
9902 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9904 2006-01-11 Richard Guenther <rguenther@suse.de>
9906 PR tree-optimization/25734
9907 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9908 stop propagation after successful propagation to the LHS.
9910 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9912 * basic-block.h (control_flow_graph): Change the type of
9913 x_basic_block_info to VEC(basic_block,gc) *.
9914 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9916 (SET_BASIC_BLOCK): New.
9917 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9918 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9919 * cfgbuild.c (find_basic_blocks): Likewise.
9920 * cfglayout.c (fixup_reorder_chain): Likewise.
9921 * cfgrtl.c (create_basic_block_structure,
9922 rtl_create_basic_block): Likewise.
9923 * ifcvt.c (find_if_case_1): Likewise.
9924 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9927 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9929 * Makefile.in: Removed rotted odf.c entry.
9931 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9934 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9935 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9936 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9937 output pattern modifier, not %e.
9938 * config/cris/cris.c (cris_op_str): Update comment about pattern
9940 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9941 before falling through into...
9942 <case 'E'>: Redefined from old 'e' case.
9944 2006-01-11 Jan Hubicka <jh@suse.cz>
9947 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9949 2006-01-11 Jan Hubicka <jh@suse.cz>
9951 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9952 * i386.c (x86_decompose_lea): Kill.
9953 (ix86_rtx_costs): Kill.
9955 2006-01-11 Jan Hubicka <jh@suse.cz>
9957 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9958 * cgraph.h (cgraph_node): Add inline_decl.
9959 (cgraph_insert_node_to_hashtable): Declare.
9960 (save_inline_function_body): Declare.
9961 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9963 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9964 (cgraph_function_versioning): Update call of tree_function_versioning.
9965 (save_inline_function_body): New function.
9966 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9967 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9968 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9969 (cgraph_default_inline_p): Likewise.
9970 (cgraph_decide_inlining_incrementally): Likewise.
9971 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9972 (copy_bb): Kill saving; do updating of clones.
9973 (copy_cfg_body): Kill saving.
9974 (initialize_inlined-parameters): Likewise.
9975 (expand_call_inline): Likewise.
9977 (tree_function_versioning): New parameter "update_clones".
9978 (inlining_p): Kill saving.
9979 * tree-inline.h (tree_function_versioning): Update prototype.
9980 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9983 2006-01-11 Ian Lance Taylor <ian@airs.com>
9985 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9986 Allow undoing set of machine mode.
9987 (do_SUBST): Use enums instead of is_int.
9988 (do_SUBST_MODE): New function.
9989 (SUBST_MODE): New macro.
9990 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9991 reg and trying to replace reg_regno_rtx with a new register.
9992 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9993 (simplify_set): Use SUBST_MODE.
9994 (distribute_notes): Remove code that tried to update reg notes
9995 for regno_reg_rtx changes.
9997 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9999 PR tree-optimization/23109
10000 PR tree-optimization/23948
10001 PR tree-optimization/24123
10003 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10004 * tree-cfg.c (single_noncomplex_succ): New.
10005 * tree-flow.h (single_noncomplex_succ): Declare it.
10006 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10007 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10008 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10009 insert_bb, register_division_in, insert_reciprocals,
10010 replace_reciprocal, free_bb): New.
10011 (execute_cse_reciprocals_1): Rewritten.
10012 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10013 Do not commit any edge insertion. Always compute dominators and
10014 create the allocation pool.
10015 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10016 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10017 * targhooks.c (default_min_divistions_for_recip_mul): New.
10018 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10019 * passes.c (init_optimization_passes): Run recip after tree loop
10021 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10023 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10024 Kenneth Zadeck <zadeck@naturalbridge.com>
10026 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10027 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10028 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10029 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10030 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10031 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10032 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10033 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10034 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10035 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10036 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10037 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10038 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10039 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10040 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10041 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10042 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10043 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10044 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10045 DF_SCAN_POST_ALLOC): New macros.
10046 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10047 df_free_bb_function, df_local_compute_function, df_init_function,
10048 df_dataflow_function, df_confluence_function_0,
10049 df_confluence_function_n, df_transfer_function,
10050 df_finalizer_function, df_free_function, df_dump_problem_function,
10051 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10052 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10053 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10054 df_urec_bb_info, ) New types.
10055 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10057 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10058 df_analyze_simple_change_some_blocks,
10059 df_analyze_simple_change_one_block, df_compact_blocks,
10060 df_bb_replace, df_bb_regno_last_use_find,
10061 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10062 df_insn_regno_def_p, df_find_def, df_find_use,
10063 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10064 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10065 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10066 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10067 debug_df_chain, df_get_dependent_problem, df_chain_create,
10068 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10069 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10070 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10071 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10072 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10073 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10074 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10075 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10076 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10077 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10078 df_reorganize_refs, df_set_state, df_hard_reg_init,
10079 df_read_modify_subreg_p) New public functions.
10080 * df-core.c: The core dataflow solver and glue routines for rtl
10082 (df_init, df_add_problem, df_set_blocks, df_finish,
10083 df_hybrid_search_forward, df_hybrid_search_backward,
10084 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10085 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10086 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10087 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10088 df_reg_defined, df_find_use, df_reg_used, df_dump,
10089 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10090 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10091 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10092 debug_df_useno, reset_df_after_reload): New functions.
10093 * df-scan.c: The scanning fuctions, once in df.c, completely
10094 rewritten so that they now fully model the functionality of
10095 register usage at the backend.
10096 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10097 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10098 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10099 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10100 df_get_artificial_defs, df_get_artificial_uses,
10101 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10102 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10103 df_refs_delete, df_reorganize_refs, df_set_state,
10104 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10105 df_def_record_1, df_defs_record, df_uses_record,
10106 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10107 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10108 df_record_exit_block_uses, df_hard_reg_init): New functions.
10110 * df-problems.c: Seven concrete dataflow problems that use the
10111 scanning in df-scan.c and are solved by the engine in df-core.c.
10112 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10113 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10114 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10115 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10116 df_ru_free_bb_info, df_ru_alloc,
10117 df_ru_bb_local_compute_process_def,
10118 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10119 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10120 df_ru_transfer_function, df_ru_free, df_ru_dump,
10121 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10122 df_rd_free_bb_info, df_rd_alloc,
10123 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10124 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10125 df_rd_transfer_function, df_rd_free, df_rd_dump,
10126 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10127 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10128 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10129 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10130 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10131 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10132 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10133 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10134 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10135 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10136 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10137 df_urec_mark_reg_use_for_earlyclobber,
10138 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10139 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10140 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10141 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10142 df_chain_create_bb_process_use, df_chain_create_bb,
10143 df_chain_finalize, df_chain_free, df_chains_dump,
10144 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10145 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10146 df_reg_lifetime): New functions.
10147 * df.c: Deleted file.
10148 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10149 consistent with new df api.
10150 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10151 rest_of_handle_sms): Ditto.
10152 * web.c (unionfind_union, union_defs, entry_register, web_main):
10154 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10155 invariant_expr_equal_p, find_defs, check_dependencies,
10156 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10157 free_inv_motion_data, move_loop_invariants): Ditto.
10158 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10159 Update dependencies.
10160 (odf.c): Added defective entry that was deleted later in day.
10161 * sched-deps.c (sched_analyze_1): Ditto.
10163 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10165 * tree-ssa-operands.c (get_expr_operands): Record addressable
10166 variables directly. Do not call add_stmt_operands for CONST_DECLs
10168 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10169 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10171 2006-01-11 Ben Elliston <bje@au.ibm.com>
10173 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10174 function returns true in the positive case.
10176 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10179 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10180 for SI, DI, SF and DF modes. Add alternatives to copy between
10181 general and floating point registers to the 32-bit patterns.
10182 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10183 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10184 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10185 generating 64-bit code.
10186 * config/pa/pa.c (output_move_double): Handle copies between general
10187 and floating registers.
10189 2006-01-10 Stuart Hastings <stuart@apple.com>
10191 * config/i386/i386.md (set_got): Update.
10192 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10193 (builtin_setjmp_receiver): Mach-O support.
10194 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10195 (GOT_SYMBOL_NAME): Define.
10196 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10197 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10198 * config/i386/i386.c (override_options): Revise for Darwin.
10199 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10200 support. (darwin_x86_file_end): New. (output_set_got): Add label
10201 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10202 * config/i386/i386-protos.h (output_set_got): Likewise.
10203 * config/darwin.c (machopic_legitimize_pic_address): Update
10206 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10208 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10209 when MODE isn't BLKmode.
10211 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10213 PR rtl-optimization/25367
10214 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10216 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10219 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10220 for a negative bound.
10222 2006-01-10 Richard Guenther <rguenther@suse.de>
10224 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10225 Never override with anything constraint.
10227 2006-01-10 Jan Beulich <jbeulich@novell.com>
10229 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10230 256 bits when optimize_size.
10232 2006-01-10 Jan Beulich <jbeulich@novell.com>
10234 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10236 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10237 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10240 2006-01-10 Ben Elliston <bje@au.ibm.com>
10242 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10244 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10245 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10246 (USE_FP_FOR_ARG): Reject decimal float modes.
10247 (function_arg_advance): Likewise.
10248 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10249 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10250 point types in AltiVec vectors.
10251 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10252 (rs6000_libcall_value): Likewise.
10254 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10256 * config/xtensa/ieee754-df.S: New file.
10257 * config/xtensa/ieee754-sf.S: New file.
10258 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10259 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10260 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10262 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10264 * config/sh/predicates.md (binary_float_operator,
10265 binary_logical_operator, commutative_float_operator,
10266 equality_comparison_operator, greater_comparison_operator,
10267 less_comparison_operator, logical_operator,
10268 noncommutative_float_operator, shift_operator,
10269 symbol_ref_operand, unary_float_operator): Remove redundant
10272 2006-01-09 Jeff Law <law@redhat.com>
10274 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10275 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10276 now unused arguments. Callers updated.
10277 (eliminate_redundant_computations): Remove now unused arguments,
10279 (local_fold): Remove, no longer used.
10280 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10282 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10283 (simplify_cond): New function.
10284 (forward_propagate_into_cond): Call simplify_cond.
10286 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10288 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10289 (*vec_extractv2di_1_sse): New.
10291 2006-01-09 Ben Elliston <bje@au.ibm.com>
10293 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10295 2006-01-08 Richard Guenther <rguenther@suse.de>
10297 * tree-ssa-structalias.c (get_constraint_for): Remove
10298 anyoffset argument.
10299 (get_constraint_for_component_ref): Likewise.
10300 (do_deref): Likewise.
10301 (get_constraint_for): Likewise.
10302 (do_structure_copy): Likewise.
10303 (handle_ptr_arith): Likewise.
10304 (find_func_aliases): Likewise. Remove unused need_anyoffset
10307 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10308 Kaz Kojima <kkojima@gcc.gnu.org>
10310 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10311 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10312 (EXTRA_CONSTRAINT_C16): Remove.
10313 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10314 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10315 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10316 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10317 constants of SHmedia. Handle nested constant expressions of
10319 (andcosts): Fix the costs for SHmedia constants.
10320 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10321 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10322 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10323 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10324 (movv4hi_i, movv2si_i): Likewise.
10325 (movsi_const): Adjust the second operand of ior so to match with
10326 the Csu constraint.
10327 (movdi_const, movdi_const_32bit): Likewise.
10328 (movdi_const_16bit+1): Don't sign-extend LOW.
10329 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10331 (*double_shori): Fix the split condition. Use GEN_INT instead
10332 of get_int_mode calls. Mask lower 16-bit of the argument of
10334 (sym2GOTPLT): Remove.
10335 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10337 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10338 instead of EXTRA_CONSTRAINT_C16.
10340 2006-01-07 Ian Lance Taylor <ian@airs.com>
10341 David Edelsohn <edelsohn@gnu.org>
10343 PR rtl-optimization/25662
10344 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10345 for constant operands instead of simplify_gen_binary.
10346 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10347 after trying simplify_binary_operation
10349 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10351 * tree.c (iterative_hash_expr): Hash decls based on UID.
10353 2006-01-06 Eric Christopher <echristo@apple.com>
10355 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10356 (TARGET_UNWIND_EMIT): Fix spelling.
10357 * target.h (gcc_target): Add except_table_label.
10358 * except.c (output_function_exception_table): Use.
10359 * varasm.c (default_emit_except_table_label): New.
10360 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10362 (asm_out): Add here.
10363 * output.h (default_emit_except_table_label): Prototype.
10364 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10365 * config/darwin.c (darwin_emit_except_table_label): Define.
10366 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10368 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10370 PR tree-optimization/18527
10371 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10372 number_of_iterations_special, number_of_iterations_exit):
10373 Move base and step of an iv to a single structure. Add
10374 no_overflow flag, and use it in # of iterations analysis.
10375 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10376 folded_casts argument.
10377 (simple_iv): Pass base and step in a structure. Set no_overflow
10379 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10380 Evaluate expensiveness of computing # of iterations instead of
10381 the final expression.
10382 * tree-scalar-evolution.h (affine_iv): New structure.
10383 (simple_iv): Declaration changed.
10384 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10385 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10386 find_givs_in_stmt): Changed due to simple_iv change.
10388 2006-01-06 Jeff Law <law@redhat.com>
10391 * tree-cfg.c (bsi_replace): Rename final argument from
10392 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10393 change (stmt -> orig_stmt).
10394 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10395 (bsi_remove): Add new argument. Remove EH information
10397 (verify_eh_throw_table_statements): New function.
10398 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10400 * tree-optimize.c (execute_free_cfg_annotations): Verify
10401 the EH throw statement table after removing annotations.
10402 * except.h (verify_eh_throw_table_statements): Prototype.
10403 * tree-flow.h (bsi_remove): Update prototype.
10404 * tree-vrp.c (remove_range_assertions): Add new argument to
10406 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10407 * tree-complex.c (expand_complex_div_wide): Likewise.
10408 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10409 * tree-tailcall.c (eliminate_tailcall): Likewise.
10410 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10411 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10412 * tree-nrv.c (tree_nrv): Likewise.
10413 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10414 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10415 (combine_blocks): Likewise.
10416 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10417 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10418 (cleanup_control_flow): Likewise.
10419 (remove_forwarder_block): Likewise.
10420 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10421 * tree-sra.c (sra_replace): Likewise.
10422 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10423 (forward_propagate_single_use_vars): Likewise.
10424 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10425 * tree-inline.c (expand_call_inline): Likewise.
10426 * tree-vect-transform.c (vect_transform_loop): Likewise.
10427 * tree-outof-ssa.c (rewrite_trees): Likewise.
10428 * tree-cfg.c (make_goto_expr_edges): Likewise.
10429 (cleanup_dead_labels): Likewise.
10430 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10431 (bsi_move_before, bsi_move_after): Likewise.
10432 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10433 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10435 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10438 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10440 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10441 on non gimple variables. Also add checks at the top for decls and
10443 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10445 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10446 and IMAGPART_EXPR for creating MUST_DEFs.
10447 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10448 and NAME_MEMORY_TAG separately from the DECLs.
10450 2006-01-06 Richard Guenther <rguenther@suse.de>
10452 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10453 annotation, if necessary.
10454 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10455 redundant calls to update_stmt.
10456 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10459 2006-01-05 Richard Henderson <rth@redhat.com>
10461 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10463 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10465 * c-typeck.c: Update copyright date.
10467 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10469 * c-typeck.c (build_c_cast): Always warn when casting
10470 from a pointer to an integer of different size, even if
10471 the node was constant.
10473 2006-01-05 Richard Guenther <rguenther@suse.de>
10475 PR tree-optimization/22555
10476 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10477 if one structure field is an array.
10478 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10479 operands even if we found a subvar, but ignore VOPs in this
10481 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10483 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10485 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10487 PR middle-end/24998
10488 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10490 2006-01-05 Richard Guenther <rguenther@suse.de>
10491 Diego Novillo <dnovillo@redhat.com>
10493 * tree-pass.h (TODO_remove_unused_locals): Define.
10494 * gimple-low.c (expand_var_p, remove_useless_vars,
10495 pass_remove_useless_vars): Remove. Update all users.
10496 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10497 (remove_unused_locals): New function.
10498 * tree-flow.h (remove_unused_locals): Declare.
10499 * passes.c (execute_todo): Call remove_unused_locals if
10500 TODO_remove_unused_locals is set.
10501 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10502 * tree-ssa-dce.c (pass_dce): Likewise.
10503 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10505 2006-01-05 Richard Guenther <rguenther@suse.de>
10507 * tree-flow.h (struct fieldoff): Decompose field to
10508 type, size and decl.
10509 * tree-ssa-alias.c (create_sft): Take type as parameter.
10510 (create_overlap_variables_for): Store type, size and decl
10511 in the fieldoff structure.
10512 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10513 of struct fieldoff.
10514 (push_fields_onto_fieldstack): Likewise.
10515 (create_variable_info_for): Likewise. Use offset for the
10516 SFT name if the decl is not available.
10518 2006-01-04 Paul Brook <paul@codesourcery.com>
10520 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10522 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10524 * lambda-code.c (can_put_in_inner_loop): Relax
10526 (can_put_after_inner_loop): New function.
10527 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10528 (perfect_nestify): Change to make copies and modify uses.
10530 2006-01-04 Richard Henderson <rth@redhat.com>
10532 Merge from gomp branch:
10533 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10534 via integer constant.
10535 (pragma_lex): Remove.
10536 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10537 rather than parsing it.
10538 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10539 handle_pragma_extern_prefix): Add %< %> quotes.
10540 (registered_pragmas): New.
10541 (c_register_pragma_1): New.
10542 (c_register_pragma): Use it.
10543 (c_register_pragma_with_expansion): Likewise.
10544 (c_invoke_pragma_handler): New.
10545 (init_pragma): Use cpp_register_deferred_pragma directly for
10547 * c-pragma.h (enum pragma_kind): New.
10548 (pragma_handler): New.
10549 (c_invoke_pragma_handler): Declare.
10550 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10552 * c-common.h (c_common_pch_pragma): Update decl.
10553 * Makefile.in (c-parser.o): Update dependencies.
10554 (GTFILES): Add c-pragma.h.
10555 * c-parser.c (struct c_token): Add pragma_kind.
10556 (struct c_parser): Add in_pragma.
10557 (c_lex_one_token): Always initialize keyword and pragma_kind.
10558 Extract data for CPP_PRAGMA.
10559 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10560 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10561 Don't allow CPP_PRAGMA_EOL if in_pragma.
10562 (c_parser_consume_pragma): New.
10563 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10564 (c_parser_skip_to_end_of_parameter): Likewise.
10565 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10566 (c_parser_skip_to_pragma_eol): New.
10567 (c_parser_external_declaration): Handle CPP_PRAGMA.
10568 (c_parser_compound_statement_nostart): Likewise.
10569 (c_parser_statement_after_labels): Likewise.
10570 (c_parser_pragma): New.
10571 (pragma_lex): Likewise.
10572 (c_parser_pragma_pch_preprocess): New.
10573 (c_parser_new): Merge into ...
10574 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10576 2006-01-04 Jeff Law <law@redhat.com>
10579 * tree-cfg.c (bsi_replace): Remove the original statement
10580 from the EH throw statement table.
10582 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10584 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10585 make the prototype extern "C" and add throw ().
10588 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10589 and pos non-negative and pos + len <= 32.
10590 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10591 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10592 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10595 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10596 as well as sizes not multiple of component size.
10599 * function.c (instantiate_expr): New function.
10600 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10601 walk its DECL_VALUE_EXPR with instantiate_expr.
10603 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10604 DW_OP_deref{,_size} if address isn't going to be added.
10606 2006-01-04 Ben Elliston <bje@au.ibm.com>
10608 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10609 * config/fp-bit.c: Likewise.
10611 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10613 * dominance.c: Add comment about why we use DFS numbering
10616 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10617 Richard Henderson <rth@redhat.com>
10619 Merge from gomp-branch:
10620 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10621 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10623 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10625 PR rtl-optimization/25578
10626 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10627 pass a parameter to simplify_shift_const if changing ASHIFTRT
10630 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10632 * builtins.c (get_builtin_sync_mem): New function.
10633 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10634 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10635 Call get_builtin_sync_mem to generate mem rtx.
10637 2006-01-03 Richard Guenther <rguenther@suse.de>
10640 * stmt.c (add_case_node): Make sure to clear overflow flags
10643 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10645 Merge from gomp-branch.
10646 * config/sparc/sync.md: New file.
10647 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10648 UNSPECV_LDSTUB): New constants.
10649 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10650 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10651 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10654 2006-01-03 Roger Sayle <roger@eyesopen.com>
10656 * combine.c (reg_subword_p): New predicate to test whether the
10657 destination of a set refers to a subword/piece of a register.
10658 (try_combine): Generalize the code to merge the setting of a
10659 pseudo to a constant followed by a set of a subword of that
10660 register to a constant.
10662 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10664 * basic-block.h (control_flow_graph): Change the type of
10665 x_label_to_block_map to VEC(basic_block,gc) *.
10666 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10667 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10669 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10670 VEC(basic_block,heap) *.
10671 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10672 ssa_prop_fini): Adjust the uses of cfg_blocks.
10674 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10676 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10678 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10679 hashing trees instead of a pointer hash.
10680 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10681 compare for MEM_EXPR.
10683 PR rtl-optimization/25130
10684 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10685 when comparing MEMs for GCSE
10687 2006-01-03 Ben Elliston <bje@au.ibm.com>
10689 * targhooks.h (default_decimal_float_supported_p): Declare.
10690 * targhooks.c (default_decimal_float_supported_p): Define.
10691 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10692 `default_decimal_float_supported_p'.
10693 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10695 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10697 * combine.c (apply_distributive_law <SUBREG>): Check
10698 TRULY_NOOP_TRUNCATION.
10700 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10702 * dwarf2out.c (have_switched_text_section): Delete.
10703 (have_multiple_function_sections): New.
10704 (have_location_lists): Make 'bool'.
10705 (add_AT_loc_list): Use 'true' not '1'.
10706 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10707 (output_loc_list): Use have_multiple_function_sections.
10708 (output_ranges): Likewise.
10709 (dwarf2out_begin_function): Set have_multiple_function_sections if
10711 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10712 Check function_section rather than DECL_SECTION_NAME.
10713 (dwarf2out_finish): Use have_multiple_function_sections.
10714 Don't clear have_location_lists.
10716 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10717 Jan Hubicka <jh@suse.cz>
10719 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10720 case of conditional jump jumping to the next instruction.
10721 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10722 cases of conditional jump jumping to the next instruction.
10724 2006-01-02 Jan Hubicka <jh@suse.cz>
10726 * i386.c (*_cost): Add COSTS_N_INSNS.
10727 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10729 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10732 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10734 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10736 * config/arm/arm.c (all_fpus): Fix comment typo.
10737 * config/darwin.c: Likewise.
10738 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10739 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10740 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10742 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10744 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10745 (rs6000_split_compare_and_swapqhi): New.
10746 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10747 (sync_compare_and_swapqhi_internal): New.
10748 * config/rs6000/rs6000-protos.h: Declare.