1 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
7 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10 * config/mips/mips.c (mips_symbolic_address_p): Return true
11 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12 SYMBOL_GOTTPREL, and SYMBOL_TLS.
14 2006-05-04 Richard Guenther <rguenther@suse.de>
16 PR tree-optimization/14287
17 PR tree-optimization/14844
18 PR tree-optimization/19792
19 PR tree-optimization/21608
20 PR tree-optimization/27090
21 * tree-ssa-pre.c (try_combine_conversion): New function.
22 (compute_avail): After constructing the value-handle
23 expression, use try_combine_conversion to combine NOP_EXPRs
24 with previous value-handle expressions and use the result if it
27 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
29 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
31 2006-05-04 Jan Hubicka <jh@suse.cz>
34 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
36 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
38 * config/bfin/predicates.md (const01_rtx): Tell generator programs
39 that this only matches CONST_INTs. All users changed to VOIDmode
42 * config/bfin/bfin.c: Include "optabs.h".
43 (bfin_rtx_costs): Some costs for vector operations, to allow combine
45 (enum bfin_builtins): Add a number of fractional and vector builtins.
46 (bfin_init_builtins): Likewise.
47 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
48 (safe_vector_operand, bfin_expand_binop_builtin,
49 bfin_expand_unop_builtin): New functions.
50 (bfin_expand_builtin): Handle the new builtins.
51 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
54 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
57 * Makefile.in (OBJS-common): Add see.o.
58 (see.o): Add dependencies.
59 * common.opt (fsee): New flag for the see optimization was added.
60 * opts.c (flag_see): Initialized.
61 * passes.c (init_optimization_passes, pass_see): New pass.
62 * rtl.h (see_main): Declaration as extern.
63 * timevar.def (TV_SEE): New.
64 * tree-pass.h (pass_see): Declaration as extern.
65 * invoke.texi (-fsee): Document.
66 * recog.c (validate_simplify_insn): New function.
67 * recog.h (validate_simplify_insn): Declaration as extern.
68 * df-problems.c (df_chain_dump): Check for NULL.
70 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
71 Daniel Berlin <dberlin@dberlin.org>
73 * cfgrtl.c (insert_insn_bb_end_new): New function.
74 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
76 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
78 * df.h (struct web_entry): Moved from web.c.
79 (union_defs): Declaration as extern.
80 (unionfind_root): Likewise.
81 (unionfind_union): Likewise.
82 * web.c (struct web_entry): Moved to df.h.
83 (unionfind_root): Remove static declaration.
84 (unionfind_union): Likewise.
85 (union_defs): Likewise and generalize to use callback function.
86 (web_main): Update arguments for union_defs function call.
88 2006-05-04 Richard Guenther <rguenther@suse.de>
90 PR tree-optimization/26447
91 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
92 produce SSA_NAME copies before the store stmt to avoid
93 breaking exception handling.
95 2006-05-04 Jakub Jelinek <jakub@redhat.com>
98 * gimplify.c (omp_is_private): If var is shared in some outer context,
99 return false instead of true. Stop searching on parallel context
102 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
105 * coverage.c: Use get_gcov_unsigned_t() instead of
106 unsigned_type_node all over.
108 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
110 PR tree-optimization/27381
111 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
112 maintain the same immediate_use links.
113 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
114 node rather than segfaulting.
116 2006-05-03 Jakub Jelinek <jakub@redhat.com>
119 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
120 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
121 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
123 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
125 Fix PR tree-optimization/26626
126 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
128 * tree-ssa-operands.c (access_can_touch_variable): Allow
129 typecasting through union pointers.
131 2006-05-02 Jakub Jelinek <jakub@redhat.com>
134 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
135 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
136 to find if var will be a global variable even in the nested context.
137 (omp_copy_decl): Only check for global variable at the end, it might
138 be overridden in outer contexts.
139 (scan_sharing_clauses): For global variables don't create a field.
140 (lower_rec_input_clauses): Do nothing for global shared variables.
141 Emit a barrier at the end of ILIST if there were any decls in both
142 firstprivate and lastprivate clauses.
143 (lower_send_clauses): Do nothing for global variables except for
146 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
148 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
149 of the correct signedness is returned.
151 2006-05-02 Jeff Law <law@redhat.com>
153 PR tree-optimization/27364
154 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
155 multiply expressions.
157 2006-05-02 Tom Tromey <tromey@redhat.com>
159 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
161 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
164 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
165 -mthumb -fPIC are used.
167 2006-05-02 Joshua Kinard <kumba@gentoo.org>
170 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
171 with 64-bit pointers.
173 2006-05-02 Paul Brook <paul@codesourcery.com>
175 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
177 (create_fix_barrier): Check that a suitable barrier location is
179 (arm_reorg): Include ftmp->address in allowable range of addresses.
181 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
184 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
187 2006-05-02 Jakub Jelinek <jakub@redhat.com>
190 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
191 around RESULT_DECL for result passed by reference.
192 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
193 * omp-low.c (use_pointer_for_field): Don't look at
194 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
195 (scan_omp_1): Call remap_decl on RESULT_DECLs.
196 (lower_rec_input_clauses): Don't allocate VLA memory for the second
197 time or var for passing by reference for
198 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
199 TREE_ADDRESSABLE variables when passing by reference.
201 * omp-low.c (dump_omp_region): Fix output formatting.
204 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
205 (expand_omp_parallel): Likewise.
206 * tree-cfg.c (move_sese_region_to_fn): Likewise.
209 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
210 on statement list containing also constructors and destructors.
211 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
214 * except.c (duplicate_eh_regions): Fix clearing of
215 cfun->eh->region_array entries.
217 2006-05-01 DJ Delorie <dj@redhat.com>
219 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
221 (gcc_cv_objdump): Likewise.
222 * configure: Regenerated.
224 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
227 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
228 templates for case 3 and 4.
230 2006-05-01 DJ Delorie <dj@redhat.com>
232 * vec.c: Include bconfig.h when appropriate.
233 * Makefile.in (build/vec.o): Adjust dependencies.
234 * mkconfig.sh: Make sure config.h isn't used for build machine
237 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
239 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
241 (mark_phi_for_rewrite): New function.
242 (insert_phi_nodes_for, mark_use_interesting): Call
243 mark_phi_for_rewrite.
244 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
245 (update_ssa): Initialize and free phis_to_rewrite.
247 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
249 PR rtl-optimization/27291
250 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
251 folded to a constant.
253 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
255 PR tree-optimization/27283
256 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
257 not whole # of iteration descriptions.
258 (niter_for_exit): Return just # of iterations. Fail if # of iterations
259 uses abnormal ssa name.
260 (niter_for_single_dom_exit): Ditto.
261 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
262 return just the number of iterations.
264 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
266 PR tree-optimization/27144
267 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
268 (record_estimate): Only record constant upper bound.
269 (infer_loop_bounds_from_undefined): Call
270 compute_estimated_nb_iterations just once.
271 (proved_non_wrapping_p): Renamed to ...
272 (n_of_executions_at_most): ... this. Expect bound to be a constant.
273 (convert_step_widening, scev_probably_wraps_p): Call
274 n_of_executions_at_most instead of proved_non_wrapping_p.
275 (substitute_in_loop_info): Do not replace values in bounds.
276 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
279 2006-05-01 Richard Henderson <rth@redhat.com>
282 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
283 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
286 2006-05-01 Roger Sayle <roger@eyesopen.com>
288 * c-typeck.c (parser_build_binary_op): Don't call the function
289 unsigned_conversion_warning to spot operand/result type overflow.
290 (build_binary_op): Instead, call convert_and_check instead of
291 convert to report the problem when the operands are promoted.
292 * c-common.c (unsigned_conversion_warning): Make static.
293 * c-common.h (unsigned_conversion_warning): Delete prototype.
295 2006-05-01 Richard Guenther <rguenther@suse.de>
297 PR tree-optimization/26726
298 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
300 (find_interesting_uses_address): ... we work around here
301 by folding INDIRECT_REFs in the substituted base.
303 2006-05-01 Diego Novillo <dnovillo@redhat.com>
305 * omp-low.c (dump_omp_region): Add newlines.
307 2006-04-30 Roger Sayle <roger@eyesopen.com>
309 * common.opt (Woverflow): New command line option.
310 * c-common.c (constant_expression_warning): Check warn_overflow.
311 (overflow_waring): Pass OPT_Woverflow to warning.
312 (unsigned_conversion_warning): Likewise.
313 (convert_and_check): Likewise.
314 * doc/invoke.texi: Document new command line option.
316 2006-04-30 David Edelsohn <edelsohn@gnu.org>
318 * config/rs6000/rs6000.c (rs6000_override_options): Enable
319 TARGET_NO_FP_IN_TOC for section anchors.
320 (optimization_options): Enable section anchors for all
321 non-"Objective" languages.
323 2006-04-28 Eric Christopher <echristo@apple.com>
325 * config/darwin-c.c (darwin_ms_struct): Move this
326 (darwin_set_default_type_attributes): and this...
327 * config/darwin.c: ... here.
328 * config/darwin.h (darwin_ms_struct): Declare.
330 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
332 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
334 2006-04-28 Roger Sayle <roger@eyesopen.com>
337 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
338 (push_array_bounds): Delete prototype. Change BOUNDS argument to
339 an unsigned HOST_WIDE_INT.
340 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
342 (really_start_incremental_init): No need to call convert because
343 bitsize_zero_node is already of type bitsizetype.
344 (push_init_level): Extract the value of constructor_index as an
345 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
346 (process_init_element): Likewise.
348 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
350 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
351 value before passing to make_relative_prefix.
353 2006-04-28 Alan Modra <amodra@bigpond.net.au>
356 * builtins.c (expand_builtin_memset): Expand val in original mode.
358 2006-04-27 Eric Christopher <echristo@apple.com>
360 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
362 * config/darwin-c.c (darwin_ms_struct): New.
363 (darwin_pragma_ms_struct): Ditto.
364 (darwin_set_default_type_attributes): Ditto.
365 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
366 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
367 Register ms_struct pragma.
368 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
369 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
370 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
371 darwin_set_default_type_attributes if TARGET_MACHO.
373 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
375 PR tree-optimization/26854
376 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
377 * doc/tree-ssa.texi: Update immuse iterator documentation.
378 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
379 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
380 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
381 first_safe_imm_use, next_safe_imm_use): Remove.
382 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
383 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
384 (move_use_after_head): New. Helper function to sort immuses in a stmt.
385 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
386 (first_imm_use_stmt): New. Get first stmt in an immuse list.
387 (next_imm_use_stmt): New. Get next stmt in an immuse list.
388 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
389 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
390 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
391 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
392 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
393 (perfect_nestify): Use new iterator.
394 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
396 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
397 (next_imm_name): New field in struct immediate_use_iterator_d.
398 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
399 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
400 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
401 * tree-cfg.c (replace_uses_by): Use new iterator.
402 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
403 * tree-ssa-operands.c (correct_use_link): Remove.
404 (finalize_ssa_use_ops): No longer call correct_use_link.
406 2006-04-27 Stuart Hastings <stuart@apple.com>
408 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
409 * config/t-darwin (crt3.o): Use it.
410 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
411 'pmode', use Pmode instead of SImode for SYMBOL_REF.
412 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
413 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
414 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
417 2006-04-27 Roger Sayle <roger@eyesopen.com>
419 * expmed.c (store_fixed_bit_field): If we're not optimizing for
420 size, force the intermediate into a new pseudo rather instead of
421 performing both a bitwise AND and a bitwise IOR in memory.
423 2006-04-27 Richard Guenther <rguenther@suse.de>
425 PR rtl-optimization/26685
426 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
427 this one "max-flow-memory-locations".
429 2006-04-27 Richard Guenther <rguenther@suse.de>
431 PR tree-optimization/25148
432 * tree-vrp.c (compare_values): Remove code dealing with
433 comparisons against type min/max value. Honour overflow
434 and negative constants in code dealing with comparisons
435 of plus and minus expressions.
436 (value_inside_range): Use fold_binary with LE_EXPR and
437 GE_EXPR rather than compare_values.
439 2006-04-27 Dirk Mueller <dmueller@suse.de>
441 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
444 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
446 * basic-block.h (safe_insert_insn_on_edge): Removed.
447 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
450 2006-04-26 David Edelsohn <edelsohn@gnu.org>
451 Paolo Bonzini <bonzini@gnu.org>
454 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
455 (simplify_and_const_int): Same.
457 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
459 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
461 2006-04-26 Jakub Jelinek <jakub@redhat.com>
464 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
465 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
466 cgraph_global_info_ready.
469 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
472 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
473 either decl or init is error_mark_node.
476 * tree-flow.h (struct omp_region): Add sched_kind.
477 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
478 instead of extracting omp for data.
479 (expand_omp_for): Save extracted sched_kind.
481 2006-04-25 Roger Sayle <roger@eyesopen.com>
483 * expmed.c (store_bit_field): Also check whether the bitsize is
484 valid for the machine's "insv" instruction before moving the
485 target into a pseudo for use with the insv.
486 * config/i386/predicates.md (const8_operand): New predicate.
487 * config/i386/i386.md (extv, extzv, insv): Use the new
488 const8_operand predicate where appropriate.
490 2006-04-25 DJ Delorie <dj@redhat.com>
492 * doc/install.texi (Specific): Clarify that this is not a list of
493 supported hosts or targets.
495 2006-04-25 Richard Sandiford <richard@codesourcery.com>
497 PR rtl-optimization/26725
498 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
499 block's BB_DIRTY flag.
501 2006-04-25 Geoffrey Keating <geoffk@apple.com>
503 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
506 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
509 2006-04-25 David Edelsohn <edelsohn@gnu.org>
511 * varasm.c (align_variable): New function.
512 (get_block_for_decl): Apply align_variable to DECL before
513 calculating section information.
514 (assemble_variable): Split out alignment computation.
516 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
518 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
521 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
523 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
524 MODE_PARTIAL_INT mode.
525 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
526 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
528 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
529 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
531 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
533 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
535 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
536 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
537 MACFLAG_IH): Likewise.
538 (movstricthi_1): Renamed from "*movstricthi".
539 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
540 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
541 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
542 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
543 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
544 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
545 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
546 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
547 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
548 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
549 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
550 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
551 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
552 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
553 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
555 * doc/rtl.texi (ss_ashift): Improve wording.
557 2006-04-24 Geoffrey Keating <geoffk@apple.com>
559 * dwarf2out.c (verify_marks_clear): New.
560 (prune_unused_types): Call verify_marks_clear initially, not
563 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
565 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
566 * doc/rtl.texi: Document them.
567 * simplify-rtx.c (simplify_unary_operation,
568 simplify_binary_operation_1): Don't abort when we see them.
570 2006-04-24 Mark Mitchell <mark@codesourcery.com>
573 2006-04-23 Mark Mitchell <mark@codesourcery.com>
574 * configure.ac: Completely disregard languages that are not
576 * configure: Regenerated.
578 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
579 Richard Guenther <rguenther@suse.de>
581 PR tree-optimization/27236
582 * tree-inline.c (copy_body_r): Make sure to copy
583 TREE_THIS_VOLATILE flag.
585 2006-04-24 Richard Guenther <rguenther@suse.de>
588 * tree-complex.c (update_parameter_components): Don't handle
589 unused parameters which have no default def.
591 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
592 Richard Guenther <rguenther@suse.de>
594 PR tree-optimization/27218
595 * tree-inline.c (expand_call_inline): Strip useless type
596 conversions for the return slot address.
598 2006-04-24 Richard Guenther <rguenther@suse.de>
600 * cfgloop.h (struct loops): Remove unused field array. Reorder
602 (LOOP_PREFETCH): Remove.
604 2006-04-24 Richard Guenther <rguenther@suse.de>
606 PR tree-optimization/22525
607 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
608 variable, adjust types of generated expressions.
610 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
612 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
613 (tree-vect-patterns.o): Likewise.
615 (cselib.o): Likewise.
616 (loop-doloop.o): Likewise.
617 (regclass.o): Likewise.
618 (reload1.o): Likewise.
619 (explow.o): Replace target.h with $(TARGET_H).
620 (ipa-prop.o): Likewise.
621 (ipa-cp.o): Likewise.
622 (ipa-inline.o): Likewise.
624 (reg-stack.o): Likewise.
626 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
628 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
630 2006-04-23 Mark Mitchell <mark@codesourcery.com>
632 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
634 * configure.ac: Completely disregard languages that are not
636 * configure: Regenerated.
639 * c-common.h (c_build_bitfield_integer_type): Declare.
640 * c-decl.c (c_build_bitfield_integer_type): Move to ...
641 * c-common.c (c_build_bitfield_integer_type): ... here.
643 2006-04-23 Roger Sayle <roger@eyesopen.com>
646 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
647 a SImode SUBREG of a floating point register after no_new_pseudos.
649 2006-04-23 Roger Sayle <roger@eyesopen.com>
651 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
652 identify potentially eliminable registers to additionally catch
653 VIRTUAL_INCOMING_ARGS_REGNUM.
654 (addsi3): Update the conditions on when to use addsi_small_int.
656 2006-04-23 Roger Sayle <roger@eyesopen.com>
659 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
660 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
661 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
663 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
665 * fold-const.c (range_predecessor): Use operand_equal_p
666 as the predicate for equality.
667 (range_successor): Likewise.
669 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
672 * config/soft-fp/op-common.h: Fix a typo.
674 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
677 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
678 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
680 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
682 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
684 * doc/tm.texi: Fix a typo.
686 2006-04-21 Geoffrey Keating <geoffk@apple.com>
688 * dwarf2out.c (struct die_struct): Document that die_sib makes
689 a circular linked list.
690 (FOR_EACH_CHILD): New.
691 (reverse_die_lists): Delete.
692 (reverse_all_dies): Delete.
693 (add_dwarf_attr): Correct documentation.
694 (remove_child_with_prev): New.
695 (remove_child_TAG): Update for change to die_struct, use
696 remove_child_with_prev.
697 (add_child_die): Update for change to die_struct.
698 (splice_child_die): Use remove_child_with_prev and add_child_die.
699 (print_die): Use FOR_EACH_CHILD.
700 (die_checksum): Likewise.
701 (assign_symbol_names): Likewise.
702 (output_location_lists): Likewise.
703 (build_abbrev_table): Likewise.
704 (calc_die_sizes): Likewise.
705 (mark_dies): Likewise.
706 (unmark_dies): Likewise.
707 (unmark_all_dies): Likewise.
708 (output_die): Likewise.
709 (prune_unused_types_mark): Likewise.
710 (prune_unused_types_walk): Likewise.
711 (same_die_p): Update for change to die_struct.
712 (break_out_includes): Likewise.
713 (prune_unused_types_prune): Likewise.
714 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
715 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
717 (dwarf2out_finish): Don't call reverse_all_dies.
719 2006-04-21 Eric Christopher <echristo@apple.com>
721 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
722 in comments and function names.
724 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
727 * c-typeck.c (digest_init): Robustify.
729 * c-typeck.c (pop_init_level): Simplify.
731 2006-04-21 Steve Ellcey <sje@cup.hp.com>
733 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
735 2006-04-21 Paul Brook <paul@codesourcery.com>
737 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
738 hardware floating point.
740 2006-04-21 David Edelsohn <edelsohn@gnu.org>
742 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
745 2006-04-21 Nick Clifton <nickc@redhat.com>
747 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
750 2006-04-21 Alan Modra <amodra@bigpond.net.au>
753 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
754 C++ lang type in traceback table for Objective-C++.
756 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
758 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
760 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
762 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
765 * tree-mudflap.c (mudflap_finish_file): Skip function when there
766 were errors. Remove check for erroneous objects.
768 2006-04-20 Jeff Law <law@redhat.com>
770 PR tree-optimization/26854
771 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
772 checking for zero or one use.
773 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
774 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
775 * tree-ssa-reassoc.c (negate_value): Similarly.
776 (reassociate_bb): Similarly.
778 2006-04-20 Jakub Jelinek <jakub@redhat.com>
780 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
781 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
782 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
784 2006-04-20 Alan Modra <amodra@bigpond.net.au>
786 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
787 fp regs if the last fp arg doesn't fit in regs.
789 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
792 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
793 that the last insn has the REG_INC note.
795 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
796 Nathan Sidwell <nathan@codesourcery.com>
799 * stor-layout.c (update_alignment_for_field): Do not align
801 (place_union_field): Place union field at the start of the union.
802 (place_field): Move ERROR_MARK check later, and use the current
803 allocation position to maintain monotonicity.
805 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
807 * dominance.c: Include timevar.h.
808 (calculate_dominance_info): Use TV_DOMINANCE.
809 * timevar.def (TV_DOMINANCE): New timevar.
810 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
812 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
814 PR rtl-optimization/14261
815 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
816 move would be an INSV insn.
817 (noce_process_if_block): Don't optimize if the destination is a
818 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
820 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
822 * config/s390/s390.md: Add comments with the instructions emitted
823 by an insn pattern if macros are used.
825 2006-04-19 Alan Modra <amodra@bigpond.net.au>
827 PR rtl-optimization/26026
828 * fold-const.c (fold_binary): Optimize div and mod where the divisor
829 is a known power of two shifted left a variable amount.
831 2006-04-18 Geoffrey Keating <geoffk@apple.com>
833 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
834 to hash table twice when the debug_str section has SECTION_MERGE.
836 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
838 * config/soft-fp: New directory. From glibc.
839 * config/soft-fp/t-softfp: New.
840 * config/soft-fp/README: New.
841 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
842 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
843 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
844 (LIBGCC_DEPS): Add $(SFP_MACHINE).
845 * config.gcc: Use rs6000/t-fprules-fpbit or
846 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
848 * config/rs6000/sfp-machine.h: New. Based on glibc.
849 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
851 * config/rs6000/t-fprules: Remove fp-bit rules.
852 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
853 * config/rs6000/t-linux64: Likewise. Remove duplicates from
854 LIB2FUNCS_EXTRA. Remove fp-bit rules.
855 (softfp_wrap_start, softfp_wrap_end): New.
857 2006-04-18 DJ Delorie <dj@redhat.com>
859 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
861 2006-04-18 Devang Patel <dpatel@apple.com>
863 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
865 2006-04-18 Nick Clifton <nickc@redhat.com>
867 * config/sh/t-symbian: Add rule to build sh-c.o
868 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
869 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
870 (sh_symbian_encode_section_info): Likewise.
872 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
874 * builtins.c (expand_builtin_strcmp): Cover label definition of
875 do_libcall with HAVE_cmpstrnsi.
877 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
879 * function.c (temp_slots_at_level, max_slot_level): Use VEC
881 * function.h (temp_slot_p): New.
882 (function): Change the type of x_used_temp_slots to
883 VEC(temp_slot_p,gc) *.
885 2006-04-18 Nick Clifton <nickc@redhat.com>
887 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
888 flag_strength_reduce.
890 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
892 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
896 Partial revert of revision 112637
897 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
898 Dale Johannesen <dalej@apple.com>
901 * regclass.c (struct reg_pref): Update documentation.
902 (regclass): Set prefclass to NO_REGS if memory is the best option.
903 (record_reg_classes): Cope with a prefclass set to NO_REGS.
905 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
907 PR tree-optimization/26821
908 * tree-ssa-math-opts.c (get_constant_one): New.
909 (insert_reciprocals): Use it.
911 2006-04-17 Geoffrey Keating <geoffk@apple.com>
913 * dwarf2out.c (free_AT): Delete.
914 (remove_AT): Update string ref counts.
915 (remove_child_TAG): Don't call free_die.
917 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
919 (prune_unused_types_walk_attribs): Reset string refcounts.
920 (prune_unused_types_update_strings): New.
921 (prune_unused_types_prune): Don't make unnecessary stores. Don't
922 call free_die. Do call prune_unused_types_update_strings.
923 (prune_unused_types): Empty debug_str_hash.
925 2006-04-17 Roger Sayle <roger@eyesopen.com>
927 * expr.c (expand_assignment): Optimize away no-op moves where the
928 source and destination are equal and have no side-effects.
930 2006-04-17 Richard Guenther <rguenther@suse.de>
933 * reload.c (push_reload): Guard calls to get_secondary_mem
936 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
938 * alias.c (reg_base_value, old_reg_base_value): Change the
939 type to VEC(rtx,gc) *.
940 (REG_BASE_VALUE, find_base_value, record_set,
941 init_alias_analysis): Use VEC instead of VARRAY.
943 * alias.c (alias_sets): Change the type to
944 VEC(alias_set_entry,gc) *.
945 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
946 VEC instead of VARRAY.
947 (last_alias_set): Remove.
949 * cgraph.h (cgraph_edge_p): New.
950 Update the prototype of cgraph_function_versioning.
951 * cgraphunit.c (cgraph_copy_node_for_versioning,
952 cgraph_function_versioning): Use VEC instead of VARRAY.
953 * ipa-cp.c (ipcp_insert_stage): Likewise.
955 2006-04-16 Roger Sayle <roger@eyesopen.com>
958 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
959 "A op B" or "A op C", we may need to convert A to the type of B and C.
961 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
963 * target.h (struct gcc_target): Add mode_rep_extended.
964 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
965 (init_num_sign_bit_copies_in_rep): Initialize it using
967 (truncate_to_mode): Use it.
968 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
969 * targhooks.h (default_mode_rep_extended): Declare it.
970 * targhooks.c (default_mode_rep_extended): Define it.
971 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
972 default_mode_rep_extended.
973 (TARGET_INITIALIZER): Include it.
974 * doc/tm.texi (Misc): Document it.
975 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
976 (mips_truncated_to_mode): New function.
978 2006-04-16 Roger Sayle <roger@eyesopen.com>
981 * expr.c (compress_float_constant): Copy the narrow constant into
982 a new pseudo before extending it to its final width.
984 2006-04-16 Roger Sayle <roger@eyesopen.com>
985 Andrew Pinski <pinskia@gcc.gnu.org>
986 Dale Johannesen <dalej@apple.com>
989 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
990 special case code to implement V8HImode and V16QImode with SSE2.
992 2006-04-15 Roger Sayle <roger@eyesopen.com>
994 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
995 trees are constructed with a suitable tree type.
997 2006-04-15 Roger Sayle <roger@eyesopen.com>
999 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1000 (integer_onep): Likewise.
1001 (integer_all_onesp): Likewise.
1002 (integer_pow2p): Likewise.
1003 (integer_nonzerop): Likewise.
1004 (real_zerop): Likewise.
1005 (real_onep): Likewise.
1006 (real_twop): Likewise.
1007 (real_minus_onep): Likewise.
1008 (int_size_in_bytes): Likewise.
1009 (host_integerp): Likewise.
1011 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1013 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1014 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1015 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1017 * tree-ssa-structalias.h (alias_info): Remove num_references.
1019 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1021 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1022 (output_bvb patterns): Likewise.
1023 * pa.c (output_bb): Use 'bb' insn for long branch case.
1024 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1025 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1026 1. Correct length operand for alternatives 1 and 2.
1027 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1028 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1030 2006-04-14 Roger Sayle <roger@eyesopen.com>
1032 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1033 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1034 were accidentally reverted by r112959.
1036 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1039 * except.h (eh_region_outermost): New prototype.
1040 * except.c (eh_region_outermost): New function.
1041 * tree-cfg.c (find_outermost_region_in_block): Use it.
1043 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1045 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1047 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1048 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1049 (init_reload, reload): Use VEC instead of VARRAY.
1050 * reload.h: Update the prototype for
1051 reg_equiv_memory_loc_varray.
1053 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1054 Eric Botcazou <ebotcazou@libertysurf.fr>
1056 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1059 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1062 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1063 to expand fallback builtin function call.
1065 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1068 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1069 and emit libcall here in case the builtin fails.
1070 (expand_builtin_strcmp): Always emit the libcall here on failure.
1072 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1074 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1075 * flow.c (reg_n_info): Change the type to
1076 VEC(reg_info_p,heap) *.
1077 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1079 * regs.h (reg_info_p): New.
1080 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1081 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1082 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1085 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1087 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1089 * params.h (MAX_SCHED_READY_INSNS): New macro.
1090 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1091 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1092 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1093 the ready list for 1 cycle during the first scheduling pass.
1094 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1096 2006-04-13 Richard Henderson <rth@redhat.com>
1099 * gimple-low.c (lower_omp_directive): Remove dead code.
1100 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1101 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1102 * omp-low.c (struct omp_region): Move to tree-flow.h.
1103 (root_omp_region): Export.
1104 (omp_regions, lookup_omp_region): Remove.
1105 (determine_parallel_type): Update for struct omp_region changes.
1106 (dump_omp_region): Dump regions with block numbers.
1107 (new_omp_region): Take type and block instead of stmt; malloc
1109 (free_omp_region_1, free_omp_regions): New.
1110 (expand_parallel_call): Take entry_stmt as argument; update for
1111 changes to omp_region.
1112 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1113 (remove_exit_barriers): New.
1114 (expand_omp_parallel): Update for struct omp_region changes.
1115 (expand_omp_synch): Likewise.
1116 (expand_omp): Likewise.
1117 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1118 (expand_omp_for_static_chunk): Likewise.
1119 (expand_omp_for): Likewise.
1120 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1121 (expand_omp_sections): Similarly, with GOMP_sections_end.
1122 (expand_omp_single): New.
1123 (build_omp_regions_1): Update for OMP_CONTINUE.
1124 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1125 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1126 OMP_SECTIONS_SECTIONS.
1127 (lower_omp_single_simple): Don't emit barrier here.
1128 (lower_omp_single_copy): Likewise.
1129 (lower_omp_single): Fix bindings, and lower to straightline now.
1130 (lower_omp_master, lower_omp_ordered): Likewise.
1131 (lower_omp_critical): Likewise.
1132 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1133 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1134 omp edges, free it afterward.
1135 (make_omp_sections_edges): Remove.
1136 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1137 (move_stmt_r): Handle OMP_CONTINUE.
1138 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1139 statement pointers to basic blocks. Add type member.
1140 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1141 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1142 * tree-inline.c (estimate_num_insns_1): Likewise.
1143 * tree-pretty-print.c (dump_generic_node): Likewise.
1144 * tree-ssa-operands.c (get_expr_operands): Likewise.
1145 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1146 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1147 (OMP_CONTINUE): New.
1148 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1149 (OMP_SECTIONS_SECTIONS): Remove.
1150 (OMP_SECTION_LAST): New.
1151 (OMP_RETURN_NOWAIT): New.
1153 2006-04-13 Roger Sayle <roger@eyesopen.com>
1155 * fold-const.c (native_encode_vector, native_interpret_real):
1156 Correct obvious mistakes in the previous check-in.
1158 2006-04-13 Roger Sayle <roger@eyesopen.com>
1160 * fold-const.c (native_encode_expr): New function to encode
1161 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1162 or VECTOR_CST into a specified buffer.
1163 (native_encode_int): New function.
1164 (native_encode_real): New function.
1165 (native_encode_complex): New function.
1166 (native_encode_vector): New function.
1167 (native_interpret_expr): Inverse of native_encode_expr to convert
1168 a target representation into an INTEGER_CST, REAL_CST etc...
1169 (native_interpret_int): New function.
1170 (native_interpret_real): New function.
1171 (native_interpret_complex): New function.
1172 (native_interpret_vector): New function.
1173 (fold_view_convert_expr): New function to constant fold/evaluate
1174 a VIEW_CONVERT_EXPR of a suitable constant expression.
1175 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1176 Change call of build1 to fold_build1 when constructing a
1179 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1180 Ulrich Weigand <uweigand@de.ibm.com>
1183 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1186 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1189 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1190 optimize to lo_sum for DFmode if !TARGET_FPRS.
1192 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1194 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1195 delete_alias_info, compute_flow_sensitive_aliasing,
1196 group_aliases): Use VEC instead of VARRAY.
1197 * tree-ssa-structalias.c (update_alias_info): Likewise.
1198 * tree-ssa-structalias.h (alias_info): Change the type of
1199 processed_ptrs to VEC(tree,heap) *.
1201 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1204 * config/sh/lib1funcs.h: New file, broken out of:
1205 * config/sh/lib1funcs.asm.
1206 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1208 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1209 * config/sh/lib1funcs-Os-4-200.asm: New file.
1210 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1211 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1212 (EXTRA_MULTILIB_PARTS): Include it.
1213 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1214 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1215 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1216 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1219 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1221 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1222 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1223 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1225 * tree-ssa-live.h: Include vecprim.h.
1226 (tree_partition_associator_d): Change the type of
1227 first_partition to VEC(int,heap) *.
1228 (tpa_first_partition): Use VEC instead of VARRAY.
1230 * Makefile.in (GTFILES): Move functions.h after tree.h.
1231 * function.c (reset_block_changes, record_block_change,
1232 check_block_change, free_block_changes): Use VEC instead of
1234 * function.h (function): Change the type of
1235 ib_boundaries_block to VEC(tree,gc) *.
1236 * tree-inline.c (copy_cfg_body): Initialize
1237 ib_boundaries_block to NULL instead of (varray_type) 0.
1239 2006-04-12 Roger Sayle <roger@eyesopen.com>
1241 * expr.c (emit_group_store): Correct operand order in call to
1242 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1243 a SUBREG_BYTE of zero.
1245 2006-04-12 Richard Guenther <rguenther@suse.de>
1247 * profile.c (compute_branch_probabilities): Remove code
1248 encapsulated in !ir_type (), which are remanents of the
1249 removed RTL profiling code.
1250 * rtl-profile.c: Remove.
1252 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1254 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1255 magic NULL_RTX comment.
1256 (function_arg): Store entire fp arg to mem if any part should go
1258 (rs6000_arg_partial_bytes): Adjust for above change.
1260 2006-04-11 Roger Sayle <roger@eyesopen.com>
1262 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1263 if it hasn't been initialized by dwarf2out_init.
1265 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1267 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1268 symbolic constants in branch patterns.
1270 2006-04-11 Roger Sayle <roger@eyesopen.com>
1272 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1274 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1276 PR rtl-optimization/27073
1277 * gcse.c (try_replace_reg): Revert last change. Continue to search
1278 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1281 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1283 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1284 aggregate types other than record and union types.
1285 (function_arg): Likewise.
1286 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1288 (function_value): In 64-bit mode, return objects that require it
1291 2006-04-11 Roger Sayle <roger@eyesopen.com>
1293 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1295 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1297 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1299 2006-04-03 Jeff Law <law@redhat.com>
1302 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1303 alias information too.
1305 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1307 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1309 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1312 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1313 (premark_used_types_helper): New.
1314 (premark_used_types): New.
1315 (gen_subprogram_die): Call premark_used_types.
1316 (prune_unused_types_walk): Do not prune perennial dies.
1317 * function.c (used_types_insert): New.
1318 * function.h (struct function): Add used_types_hash field.
1319 (used_types_insert): Add prototype.
1320 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1321 * c-parser.c (c_parser_cast_expression): Save casted types in used
1324 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1327 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1328 rs6000_explicit_options.float_gprs.
1330 2006-04-10 Roger Sayle <roger@eyesopen.com>
1332 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1333 from ix86_expand_vector_init_low_nonzero. Take an additional
1334 one_var argument indicating which element is non-zero. Support
1335 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1336 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1337 with one_var instead of ix86_expand_vector_init_low_nonzero.
1339 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1341 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1342 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1343 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1344 build/genextract.o): Depend on vecprim.h.
1345 * cfglayout.c, df-problems.c, function.c, genextract.c,
1346 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1347 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1351 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1353 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1354 Declare VECs of this type.
1355 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1356 (remove_children): Delete.
1357 (add_dwarf_attr): Use VEC routines.
1358 (add_AT_flag): Update for changes to add_dwarf_attr.
1359 (add_AT_int): Likewise.
1360 (add_AT_unsigned): Likewise.
1361 (add_AT_long_long): Likewise.
1362 (add_AT_vec): Likewise.
1363 (add_AT_string): Likewise.
1364 (add_AT_die_ref): Likewise.
1365 (add_AT_fde_ref): Likewise.
1366 (add_AT_loc): Likewise.
1367 (add_AT_loc_list): Likewise.
1368 (add_AT_addr): Likewise.
1369 (add_AT_lbl_id): Likewise.
1370 (add_AT_lineptr): Likewise.
1371 (add_AT_macptr): Likewise.
1372 (add_AT_offset): Likewise.
1373 (add_AT_range_list): Likewise.
1374 (get_AT): Use VEC_iterate.
1375 (remove_AT): Use VEC_ordered_remove.
1376 (free_die): Fold remove_children into here; have it use VEC_iterate.
1377 (print_die): Use VEC_iterate on attrs.
1378 (reverse_die_lists): Don't reverse attr lists.
1379 (die_checksum): Use VEC_iterate on attrs.
1380 (same_die_p): Likewise.
1381 (output_location_lists): Likewise.
1382 (build_abbrev_table): Likewise.
1383 (size_of_die): Likewise.
1384 (unmark_all_dies): Likewise.
1385 (output_abbrev_section): Likewise.
1386 (output_die): Likewise.
1387 (prune_unused_types_walk_attribs): Likewise.
1389 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1391 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1393 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1396 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1398 2006-04-09 Roger Sayle <roger@eyesopen.com>
1400 * expr.c (store_constructor): Don't bother clearing target if
1401 we're about to assign a vector to it using vec_init_optab.
1403 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1405 * tree-ssa-alias.c (lhs_may_store_to): New function.
1406 (recalculate_used_alone): Handle LHS of calls.
1408 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1412 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1413 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1414 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1415 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1416 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1417 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1418 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1419 stubs. Add ".align 8" directives before all ".dword" directives.
1420 (GTHREAD_USE_WEAK): Revise comment.
1421 (TARGET_ATTRIBUTE_WEAK): Define.
1422 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1423 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1424 * stublib.c: New file.
1429 * pa.md (cbranch patterns): Revise arguments used in calls to
1430 output_cbranch, output_bb and output_bvd. Add long branch length
1432 (fbranch patterns): Handle long branches.
1433 (jump): Revise length check. Revise arguments for output_lbranch call.
1434 Add long branch length attributes.
1435 (decrement_and_branch_until_zero): Add long branch length attributes.
1436 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1437 Likewise. Revise arguments for output_parallel_addb and
1438 output_parallel_movb calls.
1439 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1440 output_parallel_movb and output_parallel_addb): Update prototypes.
1441 * pa.c (output_cbranch): Revise arguments. Correct handling of
1442 nullification in long branches.
1443 (output_lbranch): Add new argument to control extraction of delay
1445 (output_bb): Handle long branches.
1446 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1447 output_parallel_addb): Likewise.
1449 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1451 PR rtl-optimization/27073
1452 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1455 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1457 * tree.h (tree_memory_tag): Add old_used_alone.
1458 (SMT_OLD_USED_ALONE): New macro.
1459 * tree-ssa-alias.c (recalculate_used_alone): Stop
1460 marking things for renaming unnecessarily.
1462 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1464 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1465 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1466 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1467 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1468 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1469 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1470 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1471 spelling convensions.
1472 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1473 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1474 typos. Follow spelling conventions.
1476 2006-04-07 DJ Delorie <dj@redhat.com>
1478 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1479 passed on the stack.
1480 (m32c_init_cumulative_args): When a function returns a structure,
1481 always pass the pointer to that return area on the stack.
1482 (m32c_function_arg_advance): Don't increment the parameter number
1483 if we're processing the returned structure pointer.
1484 (pushm_info): Reverse order of registers.
1486 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1488 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1489 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1490 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1491 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1493 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1494 chrec_fold_multiply): Same.
1495 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1496 force_expr_to_var_cost): Same.
1497 * tree-mudflap.c (mf_xform_derefs_1): Same.
1498 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1500 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1502 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1503 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1506 2006-04-07 Jan Hubicka <jh@suse.cz>
1508 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1510 2006-04-07 Richard Guenther <rguenther@suse.de>
1512 PR tree-optimization/26135
1513 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1514 loads for store copy-prop.
1515 (copy_prop_visit_stmt): Likewise.
1517 2006-04-05 Robert Millan <robertmh@gnu.org>
1519 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1520 being overriden in config/k*bsd-gnu.h.
1521 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1523 * gcc/config/knetbsd-gnu.h: Ditto.
1525 2006-04-06 Jan Hubicka <jh@suse.cz>
1529 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1532 2006-04-06 Mike Stump <mrs@apple.com>
1534 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1535 for HAVE_nonlocal_goto to be consistent.
1536 (expand_builtin_nonlocal_goto): Likewise.
1537 (expand_builtin_strcmp): Use #ifdef instead of #if
1538 for HAVE_cmpstrnsi to be consistent.
1540 2006-04-05 DJ Delorie <dj@redhat.com>
1542 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1545 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1547 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1548 got-relative addressing for anything but SImode.
1550 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1551 even if the calling function doesn't modify them.
1553 2006-04-05 Richard Guenther <rguenther@suse.de>
1555 PR tree-optimization/26919
1556 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1557 to cgraph_estimate_size_after_inlining.
1559 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1561 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1563 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1565 PR tree-optimization/26996
1566 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1567 VECTOR_TYPE variables.
1569 2006-04-05 Richard Guenther <rguenther@suse.de>
1571 PR tree-optimization/26763
1572 * fold-const.c (fold_comparison): Move folding of
1573 PTR + CST CMP PTR + CST ...
1574 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1576 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1578 * doc/install.texi (Prerequisites): Refine some wording on
1579 bootstrapping and ksh.
1580 Move the version numbers of DejaGnu here from the testing section
1581 and fix casing of names.
1582 Fix markup and clarify wording for autogen requirements.
1583 Refer to GCJ instead of just java.
1584 Refer to SVN instead of CVS.
1585 Describe diffutils as useful instead of necessary.
1586 (Downloading the source): Refer to SVN instead of CVS.
1587 Adjust a link to our web site accordingly.
1588 (Configuration): Fix casing of Bison.
1589 (Building): Refer to SVN instead of CVS.
1590 Fix a sentence on the use of Bison and remove duplicate (and
1591 incorrect) version number of Bison requirement.
1592 Remove one redundant list of packages needed for building.
1593 (Specific): Avoid reference to CVS.
1595 2006-04-04 Eric Christopher <echristo@apple.com>
1597 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1598 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1599 (rs6000_handle_struct_attribute): New.
1600 (rs6000_ms_bitfield_layout_p): Ditto.
1602 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1604 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1605 NULL for dso parameter to atexit_common.
1607 2006-04-04 Eric Christopher <echristo@apple.com>
1609 * config/i386/i386.c (machopic_output_stub): Output \t
1610 between instructions and operands.
1612 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1614 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1615 satisfies_constraint_[IL] to explicit tests on value.
1617 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1619 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1620 set_nb_iterations_in_loop): Use build_int_cst instead of
1622 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1623 build_int_cst instead of convert.
1625 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1627 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1628 new value 2 for incoming.
1629 * function.c (expand_function_start): Call struct_value_rtx
1631 * config/sparc/sparc.md: Comment updated_return.
1632 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1633 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1634 struct return if sparc_std_struct_return and incoming is 2.
1635 (print_operand): Do not adjust return if
1636 sparc_std_struct_return.
1638 2006-04-04 Roger Sayle <roger@eyesopen.com>
1640 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1641 convert in the middle-end.
1642 * expr.c (store_expr, store_constructor, get_inner_reference,
1643 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1645 * tree.c (build_range_type): Likewise.
1647 2006-04-04 Tom Tromey <tromey@redhat.com>
1649 * doc/install.texi (Prerequisites): Mention jar.
1651 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1653 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1656 2006-04-04 Matthias Klose <doko@debian.org>
1658 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1659 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1662 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1664 * doc/extend.texi (Function Attributes): Rewrite visibility
1665 attribute documentation.
1666 * doc/invoke.texi (C++ Dialect Options): Rewrite
1667 -fvisibility-inlines-hidden documentation to describe something
1668 entirely different, although in practise compatible.
1669 (Code Gen Options): Warn about system headers in -fvisibiltity=
1672 * doc/extend.texi (Other Builtins): Document that
1673 __builtin_nan is a compile-time constant only when its argument
1676 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1678 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1679 trying to remove TRUNCATE check if all bits outside the new mode
1680 are identical to the sign bit.
1682 2006-04-03 Jeff Law <law@redhat.com>
1684 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1685 and operand scanning in some common cases.
1687 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1688 Dale Johannesen <dalej@apple.com>
1691 * regclass.c (struct reg_pref): Update documentation.
1692 (regclass): Set prefclass to NO_REGS if memory is the best option.
1693 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1694 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1695 into account. For non-registers, equate an empty preferred
1696 reload class to a `!' in the constraint; move the if clause to
1697 do so after those that reject the insn.
1698 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1700 (find_dummy_reload): Likewise.
1701 * doc/tm.texi (Register Classes): Document what it means
1702 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1703 * config/i386/i386.c (ix86_preferred_reload_class): Force
1704 using SSE registers (and return NO_REGS for floating-point
1705 constants) if math is done with SSE.
1706 (ix86_preferred_output_reload_class): New.
1707 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1708 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1709 * config/i386/i386.md: Remove # register preferences.
1711 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1714 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1715 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1716 the type of nb_iter.
1717 (instantiate_parameters_1): Convert the operands before calling
1718 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1719 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1721 2006-04-02 Roger Sayle <roger@eyesopen.com>
1723 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1724 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1726 * dojump.c (do_jump): Likewise.
1727 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1728 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1729 gimplify_boolean_expr): Likewise.
1730 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1731 * varasm.c (array_size_for_constructor): Likewise.
1732 * tree-object-size.c (compute_object_offset): Likewise.
1734 2006-04-02 Roger Sayle <roger@eyesopen.com>
1737 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1738 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1740 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1742 PR tree-optimization/26939
1743 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1745 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1747 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1748 at_stmt. Convert the type of operands before calling
1749 build_polynomial_chrec.
1750 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1752 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1753 (instantiate_parameters_1): Convert the type of operands before calling
1754 build_polynomial_chrec.
1755 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1756 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1757 reset_evolution_in_loop): Insert asserts to check the types of the
1759 (chrec_type): Moved...
1760 (eq_evolutions_p): Use operand_equal_p.
1761 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1762 the types of the operands.
1763 (chrec_type): ...here.
1764 * tree-data-ref.c (create_data_ref): Convert the operands before
1765 calling chrec_replace_initial_condition.
1766 (same_access_functions, analyze_subscript_affine_affine,
1767 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1768 (compute_subscript_distance, analyze_ziv_subscript,
1769 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1770 analyze_miv_subscript): Convert the operands before calling
1771 chrec_fold_minus or chrec_fold_plus.
1773 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1775 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1776 the dependence_relations vector.
1777 (compute_data_dependences_for_loop): Adjust call to
1778 compute_all_dependences.
1780 2006-04-01 Roger Sayle <roger@eyesopen.com>
1781 Richard Henderson <rth@redhat.com>
1783 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1784 gimple_boolify on the condition before calling gimplify_expr.
1786 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1788 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1789 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1790 the frame size. Update to use the new macros.
1791 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1792 * config/xtensa/ieee754-df.S: Likewise.
1794 2006-03-31 Richard Henderson <rth@redhat.com>
1796 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1797 (make_edges): ... here. Control fallthru creation with a local
1798 variable. Do not play with fake edges.
1799 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1800 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1803 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1805 * dwarf2.h (DW64_CIE_ID): Define.
1806 * dwarf2out.c (DWARF_CIE_ID): Define.
1807 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1808 length header. Use DWARF_CIE_ID.
1809 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1810 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1812 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1814 * config/sh/linux-atomic.asm: New file.
1815 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1817 2006-03-31 DJ Delorie <dj@redhat.com>
1819 * config/m32c/cond.md: Set condition flags properly throughout.
1820 * config/m32c/minmax.md: Likewise.
1821 * config/m32c/prologue.md: Likewise.
1822 * config/m32c/bitops.md: Likewise.
1823 * config/m32c/muldiv.md: Likewise.
1824 * config/m32c/mov.md: Likewise.
1825 * config/m32c/addsub.md: Likewise.
1826 * config/m32c/m32c.md: Likewise.
1827 * config/m32c/jump.md: Likewise.
1828 * config/m32c/shift.md: Likewise.
1830 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1831 conditionally output the pattern for this.
1832 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1833 (m32c_compare_redundant): New.
1834 (m32c_output_compare): New.
1835 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1837 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1838 dest, not src. Allow other 4-byte modes.
1840 2006-03-30 Denis Chertykov <denisc@overta.ru>
1842 * doc/md.texi: Refer to avr/constraints.md instead of
1845 2006-03-30 Roger Sayle <roger@eyesopen.com>
1847 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1848 signed vs. unsigned comparison failures on some hosts.
1850 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1853 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1854 change to FLOAT_REGS.
1856 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1857 (rs6000_override_options): Use it.
1858 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1859 only for -mabi=spe/no-spe and -mabi=altivec.
1861 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1863 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1866 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1868 * Makefile.in: Rename docdir to gcc_docdir.
1870 2006-03-30 Roger Sayle <roger@eyesopen.com>
1873 * expr.c (emit_group_store): Optimize group stores into a pseudo
1874 register by using a paradoxical subreg to initialize the destination
1875 if the first or last member of the group specifies a "low part".
1877 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1880 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1881 * target.h (struct gcc_target.speculate_insn): Change type of the
1882 second parameter to 'int'.
1883 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1884 the second operand of the DEPS_LIST.
1885 (copy_DEPS_LIST_list): Update reference to the second operand of the
1887 * rtl.h (alloc_DEPS_LIST): Update signature.
1888 * sched-int.h (ds_t): Change typedef to 'int'.
1889 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1891 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1893 * haifa-sched.c (try_ready): Change condition to restore
1894 non-speculative pattern of the instruction.
1895 (process_insn_depend_be_in_spec): Code to keep probability of the
1896 speculative dependence non-decreasing.
1898 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1900 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1901 (single_move_for_movmem): ... this. Also change all uses.
1902 (bfin_expand_strmov): Renamed to...
1903 (bfin_expand_movmem): ... this. Also change all uses.
1904 * config/bfin/bfin.md (movstrsi): Renamed to...
1905 (movstrsi): ...this.
1907 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1909 PR tree-optimization/26830
1911 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1912 (copy_prop_visit_stmt): Remove write-only variable ann.
1913 (init_copy_prop): Check variable loop depth here. Do not simulate
1914 memory-tag and virtual operand PHIs except for store copy prop.
1916 2006-03-30 Richard Guenther <rguenther@suse.de>
1918 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1919 variants with double arguments.
1921 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1923 * genpreds.c (write_tm_constrs_h): Delete variable p.
1924 * genconditions.c (write_header): Add tm-constrs.h to included
1926 * genpeep.c (main): Add toplev.h to included headers.
1927 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1928 (build/genpeep.o): Add toplev.h dependency.
1929 * config/rs6000/constraints.md: Add "W" constraint.
1931 2006-03-29 Roger Sayle <roger@eyesopen.com>
1933 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1934 sizes by correctly testing whether the size fits a host integer.
1935 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1936 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1937 SImode range for the default sizetype and bitsizetype.
1939 2006-03-29 Roger Sayle <roger@eyesopen.com>
1941 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1942 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1943 quickly if the argument is already of the correct type.
1944 Call fold_build1 instead of build1. Tidy up blank lines.
1946 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1948 * genemit.c (main): Add tm-constrs.h to included headers.
1949 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1950 * genpeep.c (main): Add tm-constrs.h to included headers.
1951 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1952 (write_tm_constrs_h): this and write complete file.
1953 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1954 (write_insn_preds_c): Add tm-constrs.h to included headers.
1955 (gen_constrs): New variable.
1956 (parse_option): Parse "-c".
1957 (main): Invoke write_tm_constrs_h.
1958 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1959 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1960 (object_out_file): Add tm-constrs.h dependency.
1961 (insn-emit.o): Same.
1962 (insn-output.o): Same.
1963 (insn-peep.o): Same.
1964 (insn-preds.o): Same.
1965 (insn-recog.o): Same.
1966 (tm-constsr.h): New target.
1967 (s-constrs-h): New target.
1969 * config/rs6000/constraints.md: New file.
1970 * config/rs6000/rs6000.c: Include tm-constrs.h.
1971 (num_insn_constant_wide): Convert to satisfies_constraint.
1972 (rs6000_rtx_costs): Convert to satisfies_constraint.
1973 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1974 (CONST_OK_FOR_LETTER_P): Delete.
1975 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1976 (EXTRA_CONSTRAINT): Delete.
1977 (EXTRA_MEMORY_CONSTRAINT): Delete.
1978 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1979 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1980 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1981 satisfies_constraint.
1983 * config/i386/i386.c: Include tm-constrs.h.
1985 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1987 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1988 * tree-data-ref.c (find_data_references_in_loop,
1989 compute_data_dependences_for_loop): Use pointers to VEC.
1990 (analyze_all_data_dependences): Adjust calls.
1991 * tree-data-ref.h (find_data_references_in_loop,
1992 compute_data_dependences_for_loop): Adjust declarations.
1993 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1994 compute_data_dependences_for_loop.
1996 2006-03-29 Paul Brook <paul@codesourcery.com>
1998 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2001 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2003 PR tree-optimization/26859
2004 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2006 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2007 for the step after fold_convert.
2009 2006-03-29 Paul Brook <paul@codesourcery.com>
2011 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2012 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2014 2006-03-29 Paul Brook <paul@codesourcery.com>
2017 * targhooks.c (default_narrow_bitfield): New fuction.
2018 * targhooks.h (default_narrow_bitfield): add prototype.
2019 * target.h (gcc_target): Add narrow_volatile_bitfield.
2020 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2021 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2022 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2023 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2025 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2027 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2029 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2030 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2031 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2032 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2033 (s390_function_arg_float): Allow SDmode and DDmode values to be
2034 passed in floating point registers.
2035 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2036 check with SCALAR_FLOAT_MODE_P.
2037 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2039 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2041 PR tree-optimization/25985
2042 * tree-ssa-loop-niter.c (number_of_iterations_le,
2043 number_of_iterations_ne): Make comments more precise.
2044 (number_of_iterations_cond): Add only_exit argument. Use the
2045 fact that signed variables do not overflow only when only_exit
2047 (loop_only_exit_p): New.
2048 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2049 number_of_iterations_cond.
2051 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2053 PR tree-optimization/26643
2054 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2057 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2059 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2060 (divsi3_i4_int): Likewise.
2062 2006-03-28 Roger Sayle <roger@eyesopen.com>
2064 * expr.c (emit_group_store): Only create a new pseudo reg if the
2065 quantity it needs to hold isn't already a suitable pseudo.
2067 2006-03-28 Jeff Law <law@redhat.com>
2069 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2070 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2072 2006-03-28 Roger Sayle <roger@eyesopen.com>
2074 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2075 the equivalent ~X & Y, and the symmetry related transformations.
2076 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2077 ~X & Y, and symmetry related transforms.
2079 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2081 Revert my 2006-03-27 patches.
2083 2006-03-28 Roger Sayle <roger@eyesopen.com>
2085 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2086 ~(T1)X, when T1 and T2 are integer types of the same precision
2087 and (T2)X isn't an extension.
2089 2006-03-28 Jeff Law <law@redhat.com>
2091 PR tree-optimization/26796
2092 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2093 need EH edge cleanups rather than purging them immediately.
2094 (eliminate_degenerate_phis): Handle queued EH cleanups.
2096 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2098 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2101 2006-03-27 Roger Sayle <roger@eyesopen.com>
2104 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2105 cast BIT_NOT_EXPR operand to the correct type.
2107 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2109 * tree-loop-linear.c: Don't include varray.h.
2110 (gather_interchange_stats, try_interchange_loops,
2111 linear_transform_loops): Use VEC instead of VARRAY.
2112 * lambda-mat.c: Don't include varray.h.
2113 * tree-chrec.c: Same.
2114 * lambda-trans.c: Same.
2115 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2116 VEC instead of VARRAY.
2117 * tree-vectorizer.h: Idem.
2118 * tree-data-ref.c (dump_data_references,
2119 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2120 initialize_data_dependence_relation, finalize_ddr_dependent,
2121 compute_all_dependences, find_data_references_in_loop,
2122 compute_data_dependences_for_loop, analyze_all_data_dependences,
2123 free_dependence_relation, free_dependence_relations,
2124 free_data_refs): Idem.
2125 * tree-data-ref.h (data_reference_p, subscript_p): New.
2126 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2127 VEC instead of VARRAY.
2128 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2129 (find_data_references_in_loop, compute_data_dependences_for_loop,
2130 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2131 dump_data_dependence_relations, free_dependence_relations,
2132 free_data_refs): Adjust declaration.
2133 (lambda_transform_legal_p): Move declaration here...
2134 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2135 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2136 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2137 vect_analyze_data_refs): Use VEC instead of VARRAY.
2138 * lambda.h (lambda_transform_legal_p): ...from here.
2139 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2140 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2141 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2142 tree-chrec.o): Don't depend on VARRAY_H.
2144 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2146 * rtl.def (Copyright): Update date.
2147 (DEPS_LIST): Change type of the second operand to 'int'.
2148 * target.h (Copyright): Update date.
2149 (struct gcc_target.speculate_insn): Change type of the second parameter
2151 * lists.c (Copyright): Update date.
2152 (alloc_DEPS_LIST): Change signature. Update reference to the second
2153 operand of the DEPS_LIST.
2154 (copy_DEPS_LIST_list): Update reference to the second operand of the
2156 * rtl.h (Copyright): Update date.
2157 (alloc_DEPS_LIST): Update signature.
2158 * sched-int.h (Copyright): Update date.
2159 (ds_t): Change typedef to 'int'.
2160 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2162 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2164 * haifa-sched.c (Copyright): Update date.
2165 (try_ready): Change condition to restore non-speculative pattern
2167 (process_insn_depend_be_in_spec): Code to keep probability of the
2168 speculative dependence non-decreasing.
2170 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2172 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2173 shut up the compiler.
2175 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2177 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2178 to use lib prefix for target.
2179 ($(T)libic_invalidate_array_4-200.a): Likewise.
2180 ($(T)libic_invalidate_array_4a.a): Likewise.
2182 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2183 J"orn Rennecke <joern.rennecke@st.com>
2185 * superh.opt: New file.
2186 * sh.c (boardtype, osruntime): Remove.
2187 * superh.h (SUBTARGET_OPTIONS): Remove.
2188 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2190 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2191 arguments with ^ and/or [].
2193 * config.gcc (sh-*-*): Add quoting to account for quirk of
2195 Replace == with = in enable_incomplete_targets test.
2197 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2198 with MASK_LITTLE_ENDIAN.
2200 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2201 * config/sh/sh.opt: Added to some comments.
2202 * config/sh/superh.h: Removed some chaff.
2204 * config/sh/sh.opt: Add m4-[1234]00* options.
2205 * config/sh/sh.c (sh_handle_option): Likewise.
2206 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2207 (ic_invalidate_array_4-100.o): New rule.
2208 ($(T)libic_invalidate_array_4-100.a): Likewise.
2209 (ic_invalidate_array_4-200.o): Likewise.
2210 ($(T)libic_invalidate_array_4-200.a): Likewise.
2211 (ic_invalidate_array_4a.o): Likewise.
2212 ($(T)libic_invalidate_array_4a.a): Likewise.
2213 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2214 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2216 * config/sh/crt1.asm: Merged in profiling code.
2217 * config/sh/superh.h (STARTFILE_SPEC): Override.
2218 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2219 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2220 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2222 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2223 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2224 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2226 * sh.opt (mpretend-cmove): New option.
2227 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2228 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2229 (movsicc): Add TARGET_PRETEND_CMOVE code.
2231 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2233 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2234 s390_class_max_nregs): New function prototypes.
2235 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2236 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2237 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2238 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2240 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2242 * dwarf2out.c (add_location_or_const_value_attribute): Call
2243 tree_add_const_value_attribute if nothing else works.
2244 (reference_to_unused): New.
2245 (rtl_for_decl_init): Use reference_to_unused to decide whether
2246 to output an initializer.
2248 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2251 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2252 peephole removing spe frob_di_df_2.
2254 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2256 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2257 (subscript_dependence_tester_1): Declared.
2258 (print_dir_vectors, print_dist_vectors): New.
2259 (debug_data_dependence_relation): New.
2260 (dump_data_dependence_relation): Print more details.
2261 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2262 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2263 (save_dist_v, save_dir_v, add_outer_distances,
2264 build_classic_dist_vector_1): New.
2265 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2266 Don't test for lambda_vector_lexico_pos.
2267 (same_access_functions, add_multivariate_self_dist,
2268 add_other_self_distances, dir_from_dist): New.
2269 (build_classic_dir_vector): Replace implementation almost identical to
2270 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2272 (subscript_dependence_tester_1): New.
2273 (subscript_dependence_tester): Handle the lexicographically negative
2274 distance vectors by recomputing the dependence relation.
2275 (compute_affine_dependence): Remove parameter loop_nest_depth.
2276 (compute_self_dependence): Don't call compute_subscript_distance.
2277 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2278 Add a parameter for the loop_nest.
2279 (find_loop_nest_1, find_loop_nest): New.
2280 (compute_data_dependences_for_loop): Compute the loop nest, and give
2281 up if the nest is not well formed.
2282 * tree-data-ref.h (loop_p): New.
2283 (struct data_dependence_relation): Replace size_vect field with
2284 loop_nest, a vec of loops.
2285 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2286 (DDR_LOOP_NEST): New.
2287 (print_dir_vectors, print_dist_vectors,
2288 debug_data_dependence_relation): Declared.
2289 (index_in_loop_nest): New.
2290 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2291 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2294 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2296 * simplify-rtx.c (simplify_relational_operation): Call
2297 simplify_relational_operation_1 even if mode is VOIDmode.
2299 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2301 PR tree-optimization/26804
2302 * tree.h (DECL_CALL_CLOBBERED): New macro.
2303 (tree_decl_common): Add call_clobbered_flag.
2304 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2305 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2306 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2307 (mark_non_addressable): Ditto.
2308 * tree-ssa.c (verify_call_clobbered): New function.
2309 (verify_alias_info): Use it.
2310 * tree-pass.h (pass_reset_cc_flags): New prototype.
2311 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2312 (reset_cc_flags): New function.
2313 * passes.c (init_optimization_passes): Call reset_cc_flags after
2314 initializing referenced_vars.
2316 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2317 Roger Sayle <roger@eyesopen.com>
2320 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2321 to 1.0 for non-real operands. Implement A / A optimization for
2324 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2326 * config/i386/i386.c (size_cost): Correct the comment for
2327 cost of storing fp registers.
2328 (i386_cost): Likewise.
2329 (i486_cost): Likewise.
2330 (pentium_cost): Likewise.
2331 (pentiumpro_cost): Likewise.
2332 (k6_cost): Likewise.
2333 (athlon_cost): Likewise.
2334 (k8_cost): Likewise.
2335 (pentium4_cost): Likewise.
2336 (nocona_cost): Likewise.
2337 (generic64_cost): Likewise.
2338 (generic32_cost): Likewise.
2340 2006-03-24 Denis Chertykov <denisc@overta.ru>
2342 * config/avr/avr-protos.h (extra_constraint): Delete.
2343 (extra_constraint_Q): New declaration.
2344 * config/avr/constraints.md: New file.
2345 * config/avr/avr.md: Include it.
2346 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2347 (TMP_REGNO, ZERO_REGNO): Likewise.
2348 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2349 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2350 (extra_constraint): Delete.
2351 (extra_constraint_Q): Test for memory constraint 'Q'.
2352 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2353 (REG_CLASS_FROM_LETTER): Delete.
2354 (CONST_OK_FOR_LETTER_P): Delete.
2355 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2356 (EXTRA_CONSTRAINT): Delete.
2357 (TMP_REGNO): Delete.
2358 (ZERO_REGNO): Delete.
2360 2006-03-24 Jeff Law <law@redhat.com>
2362 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2363 directly. Call mark_new_vars_to_rename slightly earlier.
2365 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2367 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2369 (gen_compile_unit_die): Use new language types for Objective-C and
2371 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2372 DW_LANG_C_plus_plus.
2375 * config/t-darwin (crt3.o): Work around bug 26840.
2376 * config/darwin-crt3.c: Rewrite.
2377 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2379 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2381 * doc/invoke.texi: Document -femit-class-debug-always
2382 * common.opt: Add -femit-class-debug-always.
2384 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2386 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2387 index and base register.
2388 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2389 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2390 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2391 REGNO_OK_FOR_INDEX_P.
2392 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2394 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2395 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2396 REG_OK_FOR_BASE_P): Definitions removed.
2398 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2401 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2402 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2403 set yet or weren't marked as local yet.
2405 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2407 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2410 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2412 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2413 (rs6000_legitimate_small_data_p): Delete.
2414 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2415 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2416 and make static. Add forward declaration. Update uses.
2417 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2418 of offsettable_memref_p.
2419 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2420 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2422 2006-03-24 Jeff Law <law@redhat.com>
2424 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2425 around bug in immediate-use iterator.
2427 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2430 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2431 or __LITTLE_ENDIAN__.
2433 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2435 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2436 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2437 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2438 * config/sh/sh.opt (mdiv=): Amend description.
2439 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2440 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2441 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2442 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2443 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2444 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2445 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2446 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2447 TARGET_DIVIDE_CALL_FP.
2449 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2451 * haifa-sched.c (choose_ready): Fix type of the local variable.
2452 Move local variables. Add comment.
2453 (check_reg_live): Change signature. Make callable from debugger.
2454 * sched-int.h (check_reg_live): Update signature.
2455 * sched-ebb.c (check_reg_live): Update parameters.
2456 * sched-rgn.c (check_reg_live): Ditto.
2457 (region_head_or_leaf_p): Check pointer before dereferencing.
2458 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2459 before reload on optimization levels below 1.
2461 2006-03-23 Richard Henderson <rth@redhat.com>
2463 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2467 * config/alpha/predicates.md (local_symbolic_operand): Reject
2470 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2473 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2474 expressions which have overflowed constants.
2476 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2478 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2480 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2482 * cfgloopmanip.c (create_loop_notes): Removed.
2483 * final.c (final_scan_insn): Do not handle loop notes.
2484 * jump.c (squeeze_notes): Ditto.
2485 * cfglayout.c (skip_insns_after_block,
2486 duplicate_insn_chain): Ditto.
2487 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2489 * cfgloop.h (create_loop_notes): Declaration removed.
2491 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2493 * varasm.c (output_constant_pool): Restore fnname and fndecl
2495 (assemble_start_function): Adjust call accordingly.
2496 (assemble_end_function): Likewise.
2498 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2501 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2504 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2506 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2509 * system.h (ICE_EXIT_CODE): New macro.
2510 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2511 (diagnostic_action_after_output): Likewise.
2512 * gcc.c (fatal_ice): New function.
2513 (execute): Use it instead of fatal.
2514 (fancy_abort): Likewise.
2515 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2517 2006-03-22 Jeff Law <law@redhat.com>
2519 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2520 iv_analyze_result returning false.
2522 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2524 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2526 2006-03-22 Richard Henderson <rth@redhat.com>
2529 * except.c (duplicate_eh_regions_0): New.
2530 (duplicate_eh_region_1): Duplicate the children of the node as
2531 well as the node itself. Link them up properly.
2532 (duplicate_eh_region_2): Merge into ...
2533 (duplicate_eh_regions): ... here. Take copy_region argument, and
2534 copy only a sub-tree if asked. Simplify copying and fixup.
2535 (eh_region_outer_p): New.
2536 * except.h (duplicate_eh_regions): Update decl.
2537 (eh_region_outer_p): Declare.
2538 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2539 (lower_omp_master): Likewise.
2540 (lower_omp_ordered): Likewise.
2541 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2542 (move_stmt_r): Use it to remap labels. Handle recursion vs
2543 remap_decls_p properly.
2544 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2545 (find_outermost_region_in_block): New.
2546 (new_label_mapper): New.
2547 (move_sese_region_to_fn): Copy eh information to the new function
2549 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2551 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2554 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2556 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2557 into shared libraries.
2559 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2561 * doc/md.texi: Refer to i386/constraints.md instead of
2563 * config/i386/constraints.md: New file, extracted from...
2564 * config/i386/predicates.md: ...here.
2565 * config/i386/i386.md: Include constraints.md.
2567 2006-03-21 Jason Merrill <jason@redhat.com>
2569 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2572 * expr.c (init_block_move_fn): Force default visibility.
2573 (init_block_clear_fn): Likewise.
2574 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2575 * targhooks.c (default_external_stack_protect_fail): Likewise.
2577 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2579 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2580 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2581 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2582 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2583 (loadgp): Use mips_current_loadgp_style.
2584 (loadgp_noshared): New pattern.
2585 (sibcall_internal): Use MIPS_CALL.
2586 (sibcall_value_internal): Likewise.
2587 (sibcall_value_multiple_internal): Likewise.
2588 (call_internal): Likewise.
2589 (call_value_internal): Likewise.
2590 (call_value_multiple_internal): Likewise.
2591 (call_split): Use MIPS_CALL and add an 'S' constraint.
2592 (call_value_split): Likewise.
2593 (call_value_multiple_split): Likewise.
2594 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2595 (-mshared): New option.
2596 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2597 (mips_current_loadgp_style): Declare.
2598 * config/mips/mips.c (mips_classify_symbol): Avoid using
2599 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2600 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2601 TARGET_ABSOLUTE_ABICALLS.
2602 (override_options): Adjust comments. Improve the warning that is
2603 issued when -mabicalls and -G are used together.
2604 (mips_file_start): Remove comment.
2605 (mips_current_loadgp_style): New function.
2606 (mips_gnu_local_gp): New variable.
2607 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2609 (mips_output_function_prologue): Use mips_current_laodgp_style.
2610 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2611 the cprestore instruction.
2612 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2613 live for TARGET_ABSOLUTE_ABICALLS.
2614 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2615 (ASM_SPEC): Pass down -mshared and -mno-shared.
2616 (MIPS_CALL): New macro.
2617 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2619 * doc/invoke.texi (-mabicalls): Update documentation.
2620 (-mshared): Document.
2622 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2624 * config/ia64/unwind-hpux.c: New file.
2625 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2627 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2630 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2632 2006-03-21 Jeff Law <law@redhat.com>
2634 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2635 type conversions of a VR_VARYING source to a wider type.
2637 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2639 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2640 tm_file on Solaris 10 and later.
2641 (sparc64-*-solaris2*): Likewise.
2642 (sparc-*-solaris2*): Likewise.
2643 * config/sol26.h: Rename to config/sol2-6.h.
2644 * config/sol2-10.h: New file.
2646 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2649 * tree-ssa-pre.c (create_component_ref_by_pieces):
2652 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2655 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2656 return it immediately.
2658 2006-03-21 Michael Matz <matz@suse.de>
2660 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2662 (remove_arc, add_arc): Update num_out_arcs member.
2663 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2665 (cache_presence): New function.
2666 (compare_states_for_equiv): New function.
2667 (state_is_differed): Don't take number of outargs, adjust callers.
2668 Use new invariant for speeding up.
2669 (init_equiv_class): Create initial classes based on sorted
2671 (partition_equiv_class): Don't track out_arcs_num.
2672 (evaluate_equiv_classes): Call cache_presence on all states and
2675 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2677 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2678 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2679 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2680 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2682 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2683 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2684 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2685 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2686 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2688 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2689 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2690 (REGNO_REG_CLASS): ARGP is in PREGS.
2691 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2693 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2694 to deal with those addresses.
2695 * addresses.h: New file.
2696 * caller-save.c: Include "addresses.h".
2697 (init_caller_save): Use new base_reg_class function.
2698 * rtl-factoring.c: Include "addresses.h".
2699 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2700 * recog.c: Include "addresses.h".
2701 (preprocess_constraints): Use new base_reg_class function.
2702 * regrename.c: Include "addresses.h".
2703 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2704 functions. Keep track of a new var INDEX_CODE to compute valid
2706 (replace_oldest_value_addr): Likewise.
2707 (replace_oldest_value_mem): Use base_reg_class.
2708 * reload.c: Include "addresses.h".
2709 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2710 (find_reloads): Use new base_reg_class function.
2711 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2712 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2713 all callers and prototype changed.
2714 * reload1.c: Include "addresses.h".
2715 (maybe_fix_stack_asms): Use base_reg_class.
2716 * regclass.c: Include "addresses.h".
2717 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2718 (init_reg_autoinc): Use new base_reg_class function.
2719 (record_reg_classes): Likewise.
2720 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2721 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2722 Use new args to compute necessary class.
2724 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2725 regrename.o, rtl-factoring.o): Update dependencies.
2726 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2727 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2728 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2729 REG_OK_FOR_INDEX_P): Delete documentation.
2731 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2733 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2734 from V7 to V9 for Solaris 7 and above.
2736 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2738 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2739 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2740 argument pointers may not alias any other storage.
2741 * common.opt: Define option -fargument-noalias-anything.
2742 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2743 alias semantics is specified by flag_argument_noalias > 2.
2745 2006-03-20 Jeff Law <law@redhat.com>
2747 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2748 (pass_phi_only_cprop): Declare.
2749 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2751 * tree-ssa-dom.c (degenerate_phi_result): New function.
2752 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2753 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2754 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2755 (eliminate_degenerate_phis): Likewise.
2756 (pass_phi_only_cprop): New pass descriptor.
2757 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2758 support code. Callers updated.
2759 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2760 (store_copy_prop): Likewise.
2761 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2763 2006-03-20 Jason Merrill <jason@redhat.com>
2766 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2767 (push_visibility, pop_visibility): Likewise.
2768 * c-pragma.h: Declare them.
2770 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2772 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2774 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2775 parameter and use get_ebb_head_tail.
2776 (sh_md_init_global): Adjust uses of find_regmode_weight.
2778 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2780 * function.h (struct function) <x_tail_recursion_reentry>:
2781 Rename to x_stack_check_probe_note.
2782 (tail_recursion_reentry): Rename to stack_check_probe_note.
2783 * function.c: Replace tail_recursion_reentry with
2784 stack_check_probe_note everywhere.
2785 (expand_function_start): Only emit a note for
2786 stack_check_probe_note with -fstack-protect.
2787 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2789 * emit-rtl.c (remove_unnecessary_notes): Remove.
2790 (pass_remove_unnecessary_notes): Remove.
2791 * rtl.h (remove_unnecessary_notes): Remove prototype.
2792 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2793 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2794 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2796 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2799 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2800 (valid_in_set): Handle ARRAY_REF.
2801 Change "if min_variant or VH" to asserts.
2802 (create_component_ref_by_pieces): Handle ARRAY_REF.
2803 (create_expression_by_pieces): Likewise.
2804 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2806 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2808 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2809 is operand of switch, not str[0].
2811 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2813 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2814 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2816 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2818 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2819 end of insn_extra_address_constraint declaration.
2821 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2823 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2824 (no-sum-in-toc): Same.
2825 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2827 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2828 NO_FP_IN_TOC for -fPIC instead of mask.
2830 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2831 (BOOT_LDFLAGS): Delete.
2833 * config/rs6000/t-aix52: Same.
2835 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2836 (stmsi[345678]_power): New.
2838 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2840 * config/ia64/ia64.opt: Add empty line to end of file.
2842 2006-03-17 Richard Guenther <rguenther@suse.de>
2845 * builtins.c (get_pointer_alignment): For component style references
2846 adjust alignment to the component type alignment. Make sure
2847 to adjust alignment for component access of constants.
2849 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2851 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2854 2006-03-17 Paul Brook <paul@codesourcery.com>
2856 * doc/install.texi: Docuemnt --with-mode.
2857 * config.gcc: Add --with-mode for arm*-*-*.
2858 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2860 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2862 * sh.c (max_labelno_before_reorg): New variable.
2863 (sh_reorg): Initialize it.
2864 (find_barrier): Check max_labelno_before_reorg before using
2865 label_to_alignment. Take length of explicit alignment insns
2866 into account. When seeing a UNSPECV_CONST_END, return it.
2868 * sh.c (fixup_mova): Set mode of affected label to QImode.
2869 (untangle_mova): New function.
2870 (find_barrier): Use it. Check mode of label before decrementing
2872 (sh_reorg): Likewise.
2873 Set mode of all insns back to VOIDmode.
2875 * sh.c (MOVA_LABELREF): New macro.
2876 (mova_p, fixup_mova, sh_reorg): Use it.
2877 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2878 ADDR_DIFF_VEC matches mova.
2880 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2882 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2883 with ATTRIBUTE_UNUSED.
2885 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2887 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2888 pointer, instead of assuming it is possible to derive the
2889 correct args size from a call insn.
2891 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2893 * rtl.h (CONST_INT_P): Define.
2894 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2895 instead of GET_CODE(x) == CONST_INT.
2896 (vax_rtx_costs): Likewise.
2897 (vax_output_int_move): Likewise.
2898 (vax_output_int_add): Likewise.
2899 (legitimate_constant_address_p): Likewise.
2900 (index_term_p): Likewise.
2901 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2902 * config/vax/vax.md (and<mode>3): Likewise.
2903 (ashrsi3): Likewise.
2905 (movstricthi): Likewise.
2906 (movstrictqi): Likewise.
2907 (rotrsi3): Likewise.
2908 (five unnamed insns): Likewise.
2910 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2912 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2913 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2914 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2915 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2916 Pass to ASM_OUTPUT_DWARF_OFFSET.
2917 * dwarf2out.c (debug_frame_section): New.
2918 (output_call_frame_info): Use debug_frame_section. Pass it to
2919 dw2_asm_output_offset.
2920 (output_die): Pass appropriate section to dw2_asm_output_offset.
2921 (output_compilation_unit_header): Likewise.
2922 (output_pubnames): Likewise.
2923 (output_aranges): Likewise.
2924 (enum dw_val_class): Break dw_val_class_lbl_offset into
2925 dw_val_class_lineptr and dw_val_class_macptr.
2926 (add_AT_lbl_offset): Delete.
2927 (add_AT_lineptr): New.
2928 (add_AT_macptr): New.
2929 (AT_lbl): Expect a lineptr or macptr.
2930 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2931 (attr_checksum): Likewise.
2932 (same_dw_val_p): Likewise.
2933 (size_of_die): Likewise.
2934 (value_format): Likewise.
2935 (output_die): Likewise.
2936 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2938 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2939 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2940 * config/darwin-protos.h (darwin_file_start): New.
2941 (darwin_asm_output_dwarf_offset): New.
2942 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2943 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2945 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2946 if not EH section; simplify.
2947 (darwin_file_start): New.
2948 (darwin_asm_output_dwarf_offset): New.
2949 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2951 (DEBUG_INFO_SECTION): Likewise.
2952 (DEBUG_ABBREV_SECTION): Likewise.
2953 (DEBUG_ARANGES_SECTION): Likewise.
2954 (DEBUG_MACINFO_SECTION): Likewise.
2955 (DEBUG_LINE_SECTION): Likewise.
2956 (DEBUG_LOC_SECTION): Likewise.
2957 (DEBUG_PUBNAMES_SECTION): Likewise.
2958 (DEBUG_STR_SECTION): Likewise.
2959 (DEBUG_RANGES_SECTION): Likewise.
2960 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2961 (ASM_OUTPUT_DWARF_OFFSET): New.
2963 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2965 * config.gcc (tm_defines): Always add to previous value rather
2968 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2970 * config/mips/predicates.md (splittable_const_int_operand): New,
2971 split from move_operand.
2972 (splittable_symbolic_operand): New.
2973 (move_operand): Add commentary. Use splittable_const_int_operand.
2974 Inline mips_atomic_symbolic_constant_p.
2975 * config/mips/mips.md: Add combine splitters for handling moves
2976 of splittable_const_int_operands and splittable_symbolic_operands.
2977 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2978 (mips_split_symbol): Declare.
2979 (mips_move_integer): Declare.
2980 * config/mips/mips.c (mips_split_p): Make global.
2981 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2982 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2983 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2984 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2985 (mips_offset_within_object_p): Handle block symbols.
2986 (mips_atomic_symbolic_constant_p): Delete.
2987 (mips_cannot_force_const_mem): Return false for constants that
2988 mips_legitimize_move can handle.
2989 (mips_use_blocks_for_constant_p): New function.
2990 (mips_split_symbol): Make global.
2991 (mips_move_integer): Likewise. Add a temporary register argument.
2992 (mips_legitimize_const_move): Use splittable_const_int_operand and
2993 splittable_symbolic_operand.
2994 (mips_use_anchors_for_symbol_p): New function.
2995 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2996 (mips_split_p): Declare.
2998 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3000 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3001 (mips*-*-linux*): Likewise.
3003 2006-03-16 Roger Sayle <roger@eyesopen.com>
3004 Daniel Speyer <dspeyer@wam.umd.edu>
3007 * tree-dump.c (dump_real): New function.
3008 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3009 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3010 (tree-dump.o): Add $(REAL_H) to the dependencies.
3012 2006-03-16 Roger Sayle <roger@eyesopen.com>
3015 * real.c (real_from_string): If the mantissa is zero, don't bother
3016 parsing the exponent as the result should always be zero.
3018 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3020 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3022 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3024 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3025 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3026 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3027 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3028 ia64_sched_finish_global): New static functions to implement
3029 hooks from gcc_target.sched.
3030 (spec_check_no, max_uid, pending_data_specs): New static variables.
3031 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3032 ia64_spec_check_src_p): New static functions.
3033 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3034 (TARGET_SCHED_ADJUST_COST): Removed.
3035 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3036 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3037 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3038 TARGET_SCHED_GEN_CHECK,
3039 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3040 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3041 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3042 Fixed to handle speculation checks.
3043 (rtx_needs_barrier): Fixed to handle speculative loads and
3045 (ia64_variable_issue): Added code to count speculative loads and their
3047 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3049 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3051 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3053 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3054 (ia64_reorg): Reset stops_p to NULL after it is freed.
3055 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3056 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3057 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3059 (data_speculative, control_speculative, check_load): New attributes.
3060 (mov<mode>_advanced, mov<mode>_speculative,
3061 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3062 zero_extend<mode>di2_speculative,
3063 zero_extend<mode>di2_speculative_advanced): New patterns for
3064 data and control speculative loads.
3065 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3067 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3068 New pattern for data and control speculation checks.
3069 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3070 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3071 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3072 Auxiliary definitions for the patterns.
3073 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3074 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3076 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3078 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3079 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3080 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3081 New resource constraints.
3082 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3084 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3085 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3086 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3087 msched-in-control-spec, msched-ldc, msched-control-ldc,
3088 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3089 msched-prefer-non-control-spec-insns,
3090 msched-count-spec-in-critical-path): New flags to tune speculative
3092 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3093 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3094 msched-in-control-spec, msched-ldc, msched-control-ldc,
3095 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3096 msched-prefer-non-control-spec-insns,
3097 msched-count-spec-in-critical-path): Document new flags.
3099 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3101 * target.h (struct spec_info_def): New opaque declaration.
3102 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3103 speculate_insn, needs_block_p, gen_check,
3104 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3105 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3106 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3107 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3108 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3109 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3111 (TARGET_SCHED): Use new macros.
3112 * rtl.h (copy_DEPS_LIST_list): New prototype.
3113 * sched-int.h (struct sched_info): Change signature of new_ready field,
3114 adjust all initializations. New fields: add_remove_insn,
3115 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3116 region_head_or_leaf_p.
3117 (struct spec_info_def): New structure declaration.
3118 (spec_info_t): New typedef.
3119 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3120 recovery_block, orig_pat.
3121 (glat_start, glat_end): New variables declaraions.
3122 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3124 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3125 DETACH_LIFE_INFO, USE_GLAT.
3126 (enum SPEC_SCHED_FLAGS): New enumeration.
3127 (NOTE_NOTE_BB_P): New macro.
3128 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3129 attach_life_info, debug_spec_status, check_reg_live): New functions.
3130 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3131 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3133 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3134 * ddg.c (get_block_head_tail): Adjust all uses.
3135 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3136 (sms_sched_info): Initialize new fields.
3137 (contributes_to_priority): Removed.
3138 * haifa-sched.c (params.h): New include.
3139 (get_block_head_tail): Adjust all uses.
3140 (ISSUE_POINTS): New macro.
3141 (glat_start, glat_end): New global variables.
3142 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3143 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3144 old_last_basic_block, before_recovery, current_sched_info_var,
3145 rgn_n_insns, luid): New static variables.
3146 (insn_cost1): New function. Move logic from insn_cost to here.
3147 (find_insn_reg_weight1): New function. Move logic from
3148 find_insn_reg_weight to here.
3149 (reemit_notes, move_insn, max_issue): Change signature.
3150 (move_insn1): Removed.
3151 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3152 extend_bb): New static functions to support extension of scheduler's
3154 (generate_recovery_code, process_insn_depend_be_in_spec,
3155 begin_speculative_block, add_to_speculative_block,
3156 init_before_recovery, create_recovery_block, create_check_block_twin,
3157 fix_recovery_deps): New static functions to support
3158 generation of recovery code.
3159 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3160 restore_bb_notes, move_block_after_check, move_succs): New static
3161 functions to support ebb scheduling.
3162 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3163 functions to support handling of register live information.
3164 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3165 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3166 add_jump_dependencies): New static functions.
3167 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3168 consistancy checking.
3169 (debug_spec_status): New function to call from debugger.
3170 (priority): Added code to handle speculation checks.
3171 (rank_for_schedule): Added code to distinguish speculative instructions.
3172 (schedule_insn): Added code to handle speculation checks.
3173 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3174 Fixed to handle ebbs.
3175 (move_insn): Added code to handle ebb scheduling.
3176 (max_issue): Added code to use ISSUE_POINTS of instructions.
3177 (choose_ready): Added code to choose between speculative and
3178 non-speculative instructions.
3179 (schedule_block): Added code to handle ebb scheduling and scheduling of
3180 speculative instructions.
3181 (sched_init): Initialize new variables.
3182 (sched_finish): Free new variables. Print statistics.
3183 (try_ready): Added code to handle speculative instructions.
3184 * lists.c (copy_DEPS_LIST_list): New function.
3185 * sched-deps.c (extend_dependency_caches): New function. Move logic
3186 from create_dependency_caches to here.
3187 (get_dep_weak, ds_merge): Make global.
3188 * genattr.c (main): Code to output prototype for
3189 dfa_clear_single_insn_cache.
3190 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3191 (output_dfa_clean_insn_cache_func): Code to output
3192 dfa_clear_single_insn_cache function.
3193 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3195 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3197 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3198 New static variables.
3199 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3200 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3202 (ebb_sched_info): Initialize new fields.
3203 (get_block_head_tail): Adjust all uses.
3204 (compute_jump_reg_dependencies): Fixed to use glat_start.
3205 (schedule_ebb): Code to remove unreachable last block.
3206 (schedule_ebbs): Added code to update register live information.
3207 * sched-rgn.c (region_sched_info): Initialize new fields.
3208 (get_block_head_tail): Adjust all uses.
3209 (last_was_jump): Removed. Adjust users.
3210 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3211 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3212 Implement new hooks.
3213 (check_dead_notes1): New static function.
3214 (struct region): New fields: dont_calc_deps, has_real_ebb.
3215 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3216 (BB_TO_BLOCK): Fixed to handle EBBs.
3217 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3218 (ebb_head): New static variable.
3219 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3220 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3222 (compute_dom_prob_ps): New assertion.
3223 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3224 global_live_at_start.
3225 (init_ready_list): New assertions.
3226 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3227 (new_ready): Add support for BEGIN_CONTROL speculation.
3228 (schedule_insns): Fixed code that updates register live information
3230 (schedule_region): Fixed to handle EBBs.
3231 (init_regions): Use extend_regions and check_dead_notes1.
3232 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3233 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3234 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3235 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3236 TARGET_SCHED_GEN_CHECK,
3237 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3238 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3239 * doc/invoke.texi (max-sched-insn-conflict-delay,
3240 sched-spec-prob-cutoff): Document.
3242 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3244 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3245 inter_tick, queue_index.
3246 (struct sched_info): Change signature of init_ready_list field.
3247 Adjust all initializations.
3248 (RESOLVED_DEPS): New access macro.
3249 (ready_add): Remove prototype.
3250 (try_ready): Add prototype.
3251 * sched-rgn.c (init_ready_list): Use try_ready.
3252 (schedule_region): Initialize
3253 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3254 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3255 (init_ready_list): Use try_ready.
3256 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3257 * lists.c (remove_list_elem): Remove `static'.
3258 (remove_free_INSN_LIST_elem): New function.
3259 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3260 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3261 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3263 (readyp): New variable.
3264 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3265 change_queue_index, resolve_dep): New static functions.
3266 (try_ready): New function. Adjust callers in sched-rgn.c and
3267 sched-ebb.c to use it instead of ready_add.
3268 (clock_var): Move at the begining of file.
3269 (rank_for_schedule): Fix typo.
3270 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3271 (ready_lastpos): Enforce assertion.
3272 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3274 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3275 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3276 (queue_to_ready): Use free_INSN_LIST_list.
3277 (early_queue_to_ready): Fix typo.
3278 (schedule_block): Init readyp. Move init_ready_list call after the
3279 initialization of clock_var. Fix error in rejecting insn by
3280 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3281 that previously corrected INSN_TICKs. Add code for handling
3283 (set_priorities): Fix typo.
3284 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3285 Clarify comment and code that keeps current_sched_info->next_tail
3288 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3290 * sched-rgn.c (extend_rgns): New static function.
3291 (find_rgns): Use it.
3292 (gather_region_statistics, print_region_statistics): New static
3294 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3295 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3297 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3298 Andrey Belevantsev <abel@ispras.ru>
3300 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3301 * lists.c (unused_deps_list): New variable.
3302 (free_list): Add assertions to verify the proper distinguishing
3303 between INSN_LISTs and DEPS_LISTs.
3304 (find_list_elem, remove_list_elem, remove_list_node): New static
3306 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3307 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3308 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3309 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3311 (free_INSN_LIST_node): Likewise.
3312 * modulo-sched.c (current_sched_info): Initialize flags field.
3313 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3314 * rtl.def (DEPS_LIST): Define.
3315 * rtl.h: Declare new functions from lists.c.
3316 * sched-deps.c (spec_dependency_cache): New static variable.
3317 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3318 (add_dependence): Change return type to void. Move the logic to ...
3319 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3320 (delete_all_dependences): Add comment about forward_dependency_cache.
3321 Handle spec_dependency_cache. Handle DEPS_LISTs.
3322 (fixup_sched_groups): Clarify the change of priority of output
3323 and anti dependencies.
3324 (sched_analyze_2): Adjust add_dependence calls to create data
3325 speculative dependence.
3326 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3327 Adjust all callers. Handle DEPS_LISTS.
3328 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3329 presence of speculation.
3330 (init_dependency_caches, free_dependency_caches):
3331 Handle spec_dependency_cache.
3332 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3333 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3334 New static functions.
3335 (add_or_update_back_dep, add_or_update_back_forw_dep,
3336 add_back_forw_dep, delete_back_forw_dep): New functions.
3337 * sched-int.h (ds_t, dw_t): New typedefs.
3338 (struct sched_info): Add new field flags.
3339 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3340 Prototype new sched-deps.c functions.
3341 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3342 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3343 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3344 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3345 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3346 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3348 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3350 * sched-rgn.c (current_sched_info): Initialize flags field.
3351 (schedule_insns): Initialize current_sched_info before the sched_init
3353 * sched-ebb.c (current_sched_info): Initialize flags field.
3354 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3355 Call add_or_update_back_dep instead of add_dependence.
3356 Create control speculative dependencies.
3357 (schedule_insns): Initialize current_sched_info before the sched_init
3360 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3362 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3364 (sh_fallback_frame_state): Likewise.
3366 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3368 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3369 Do switch on default_use_cxa_atexit.
3370 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3371 * config/darwin-crt3.o: New.
3372 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3373 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3374 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3376 * config/rs6000/t-darwin: Move crt2.o building to here.
3377 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3378 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3381 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3383 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3384 from '! xxx' to '!xxx' for coding-style conformance.
3385 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3386 (EXTRA_CONSTRAINT): Likewise.
3387 * config/vax/vax.md (four unnamed insns): Likewise.
3389 2006-03-15 Paul Brook <paul@codesourcery.com>
3391 * config/arm/arm.c (minipool_pad): New.
3392 (add_minipool_forward_ref): Include pool alignment padding in address
3394 (push_minipool_fix): Set minipool_pad.
3395 (minipool_pad): Ditto.
3397 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3399 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3400 instead of GET_CODE() == MEM and REG_P() instead of
3402 (print_operand_address): Likewise.
3403 (vax_address_cost): Likewise.
3404 (vax_rtx_costs): Likewise.
3405 (vax_notice_update_cc): Likewise.
3406 (vax_output_int_add): Likewise.
3407 (INDEX_REGISTER_P): Likewise.
3408 (BASE_REGISTER_P): Likewise.
3409 (nonindexed_address_p): Likewise.
3410 (vax_mode_dependent_address_p): Likewise.
3411 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3412 (PRINT_OPERAND): Likewise.
3413 * config/vax/vax.md (ashlsi3): Likewise.
3414 (ashlsi3): Likewise.
3415 (some more unnamed insns): Likewise.
3417 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3419 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3420 iterator-style macro.
3421 (mark_control_dependent_edges_necessary): Update the use of
3422 EXECUTE_IF_CONTROL_DEPENDENT.
3424 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3426 * config/sh/predicates.md (cache_address_operand): Special.
3427 (ua_address_operand): Likewise.
3429 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3431 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3433 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3435 2006-03-15 Andreas Schwab <schwab@suse.de>
3437 * gensupport.c (identify_predicable_attribute): Don't free p_false
3438 when it is still in use.
3440 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3442 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3443 the default setting here.
3445 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3447 * tree-pass.h (pass_cfg): Remove.
3448 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3449 * passes.c (pass_cfg): Don't run it.
3451 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3453 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3454 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3456 (stack_regs_mentioned): Update the uses of
3457 stack_regs_mentioned_data. Don't access the array beyond its
3459 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3460 Don't include gt-reg-stack.h.
3462 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3463 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3465 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3468 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3471 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3473 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3475 2006-03-14 Richard Guenther <rguenther@suse.de>
3477 PR tree-optimization/26672
3478 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3481 2006-03-14 Richard Guenther <rguenther@suse.de>
3483 PR tree-optimization/26667
3484 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3485 node for the callees. Always allow inlining if it will shrink
3488 2006-03-14 Richard Guenther <rguenther@suse.de>
3491 * builtins.c (get_pointer_alignment): Prefer alignment
3492 information from decls over that from types.
3494 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3497 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3499 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3501 * config/rs6000/rs6000.opt (mdlmzb): New option.
3502 (msched-prolog, msched-epilog): Use Var not Mask.
3503 * doc/invoke.texi (-mdlmzb): Document.
3504 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3506 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3507 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3509 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3511 PR rtl-optimization/25739
3512 * bt-load.c (augment_live_range): Free tos pointer.
3514 * gensupport.c (identify_predicable_attribute): Free
3516 * gcov.c (create_file_names): Free name pointer.
3518 2006-03-13 Roger Sayle <roger@eyesopen.com>
3521 * stmt.c (emit_case_nodes): Handle the case where the index is a
3522 CONST_INT, where the comparison mode is specified by the index type.
3524 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3526 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3529 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3531 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3532 (*branch_fp_inverted): Likewise.
3534 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3537 * omp-low.c (expand_omp_for_generic): Mark istart0
3538 and iend0 as addressable.
3540 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3542 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3544 2006-03-13 Jeff Law <law@redhat.com>
3546 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3547 virtual operands are interesting.
3548 (vrp_visit_stmt): Corresponding changes.
3550 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3552 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3554 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3555 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3556 * config/bfin/crti.S: Use it instead of __PIC__.
3557 * config/bfin/crtn.S: Likewise.
3559 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3560 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3562 Lose 'G' modifier for call operand.
3563 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3564 recognize 'G' modifier.
3566 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3569 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3570 * stmt.c (expand_case): Likewise.
3572 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3574 PR rtl-optimization/26254
3575 * loop-invariant.c (seq_insns_valid_p): New function.
3576 (move_invariant_reg): Only emit new code if it is valid.
3578 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3580 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3582 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3583 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3584 (commit_one_edge_insertion): Do not look for loop notes.
3586 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3588 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3589 flag_test_coverage out of loop.
3591 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3593 * final.c (shorten_branches): Remove outdated comment, and turn
3594 the if branch that guards it to continue.
3596 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3598 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3599 * cfgloop.h (struct loop): Remove unused fields.
3601 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3603 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3604 (-dL, -fdump-rtl-loop2): Update the dump file names
3606 * doc/invoke.texi: Update dump file names.
3608 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3610 * predict.c (estimate_probability): Remove.
3611 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3612 * basic-block.h (estimate_probability): Remove prototype.
3613 * passes.c (finish_optimization_passes): Dump branch prediction or
3614 profiling heuristics to the .profile tree dump.
3615 (init_optimization_passes): Unqueue pass_branch_prob.
3617 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3619 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3621 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3622 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3624 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3626 * function.h (frame_offset_overflow): Declare.
3627 * function.c (frame_offset_overflow): New function.
3628 (assign_stack_local_1): Call it to detect that the offset overflows.
3629 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3631 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3633 * config/sh/sh.c: Include alloc-pool.h.
3634 (label_ref_list_pool): New alloc pool.
3635 (label_ref_list_t): New type for lists of labels.
3636 (struct pool_node): Make wend a label_ref_list_t.
3637 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3639 (dump_table): Likewise.
3640 (sh_reorg): Set up the alloc pool before using add_constant and
3641 dump_table, and destroy it when finishing.
3643 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3645 * config/mips/mips.c: Remove redundant comment.
3647 2006-03-10 Jason Merrill <jason@redhat.com>
3650 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3651 the target was declared 'register'.
3653 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3655 * genpreds.c (write_insn_constraint_len): Change definition of
3656 insn_constraint_len to return size_t to match the declaration.
3658 2006-03-10 DJ Delorie <dj@redhat.com>
3660 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3662 (m32c_expand_insv): Fix test for an AND mask.
3664 2006-03-10 Richard Guenther <rguenther@suse.de>
3667 * builtins.c (get_pointer_alignment): Handle component
3668 references for field alignment.
3670 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3672 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3673 when building with libgloss.
3674 (sh*elf): Implement --without-fp option.
3675 (sh64-superh-linux*): Don't multilib.
3677 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3679 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3681 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3683 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3684 Set it when one of the replacement functions returned true.
3685 Return TODO_cleanup_cfg if cfgchanged is true.
3686 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3688 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3690 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3691 instead of gen_lowpart.
3693 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3695 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3697 (mips_output_order_conditional_branch): Declare.
3698 * config/mips/mips.h (MIPS_BRANCH): New macro.
3699 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3700 for the comparison. Use gen_condjump.
3701 (mips_output_conditional_branch): Rework interface to take the
3702 asm templates for a direct branch and the inverse of a direct branch.
3703 (mips_output_order_conditional_branch): New function.
3704 (mips_builtin_branch_and_move): New function.
3705 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3706 branch condition. Use gen_single_cc as the condition for
3707 __builtin_mips_upper_* or __builtin_mips_lower_*.
3708 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3709 Use VOIDmode for the branch condition.
3710 * config/mips/predicates.md (order_operator): New predicate.
3711 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3712 (branch_fp): Rename to...
3713 (*branch_fp): ...this. Remove mode from comparison operator.
3714 Use new mips_output_conditional_branch interface.
3715 (branch_fp_inverted): Rename to...
3716 (*branch_fp_inverted): ...this and update as for *branch_fp.
3717 (*branch_zero<mode>): Rename to...
3718 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3719 Use mips_output_order_conditional_branch. Only accept ordered
3721 (*branch_zero<mode>_inverted): Rename to...
3722 (*branch_order<mode>_inverted): ...this and update as for
3723 *branch_order<mode>.
3724 (*branch_equality<mode>): Accept zero as the second operand to
3725 the equality operator. Use the new mips_output_conditional_branch
3727 (*branch_equality<mode>_inverted): Likewise.
3728 (condjump): New expander.
3729 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3731 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3732 (bc1any2t, bc1any2f): Likewise.
3733 (single_cc): New expander.
3734 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3736 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3738 * doc/md.texi: Update documentation of MIPS constraints.
3739 * config/mips/constraints.md: New file.
3740 * config/mips/mips.md: Include it.
3741 * config/mips/mips.c (mips_char_to_class): Delete.
3742 (override_options): Don't initialize mips_char_to_class.
3743 * config/mips/mips.h (mips_char_to_class): Delete.
3744 (REG_CLASS_FROM_LETTER): Delete.
3745 (CONST_OK_FOR_LETTER_P): Delete.
3746 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3747 (EXTRA_CONSTRAINT_Y): Delete.
3748 (EXTRA_CONSTRAINT_STR): Delete.
3749 (CONSTRAINT_LEN): Delete.
3750 (EXTRA_MEMORY_CONSTRAINT): Delete.
3752 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3754 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3755 original fn's eh regions.
3757 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3759 * fold-const.c (build_range_check): Make sure to use a valid type to
3760 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3763 (range_predecessor): New static function.
3764 (range_successor): Likewise.
3765 (merge_ranges): Use them to compute predecessors and successors of
3768 2006-03-09 Roger Sayle <roger@eyesopen.com>
3771 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3772 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3774 2006-03-08 DJ Delorie <dj@redhat.com>
3776 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3777 (addpsi3): Expand to include memory operands. Remove
3778 reload-specific splits.
3779 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3780 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3781 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3782 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3783 (shift1_qi, shift1_hi, insv): New.
3784 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3785 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3786 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3788 * config/m32c/m32c-protos.h: Update as needed.
3789 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3790 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3791 Fail for unrecognized R* constraints.
3792 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3793 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3794 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3796 (m32c_init_libfuncs): New.
3797 (m32c_legitimate_address_p): Add debug wrapper.
3798 (m32c_rtx_costs): New.
3799 (m32c_address_cost): New.
3800 (conversions): Add 'B' prefix.
3801 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3802 operands, or word regnames for QI operands. 'B' prints bit
3804 (m32c_expand_setmemhi): New.
3805 (m32c_expand_movmemhi): New.
3806 (m32c_expand_movstr): New.
3807 (m32c_expand_cmpstr): New.
3808 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3809 (m32c_expand_neg_mulpsi3): Handle non-ints.
3810 (m32c_cmp_flg_0): New.
3811 (m32c_expand_movcc): New.
3812 (m32c_expand_insv): New.
3813 (m32c_scc_pattern): New.
3814 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3815 a0/a1 out of SIregs.
3816 (STORE_FLAG_VALUE): New.
3817 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3820 * config/m32c/mov.md: Make constraints more liberal.
3821 (zero_extendqihi2): Optimize r0/r1 case.
3822 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3823 * config/m32c/predicates.md (m32c_any_operand): New.
3824 (m32c_nonimmediate_operand): New.
3825 (m32c_hl_operand): New.
3826 (m32c_r3_operand): New.
3829 (memsym_operand): New.
3830 (memimmed_operand): New.
3831 (a_qi_operand): New.
3832 (m32c_eqne_operator): New.
3833 (m32c_1bit8_operand): New.
3834 (m32c_1bit16_operand): New.
3835 (m32c_1mask8_operand): New.
3836 (m32c_1mask16_operand): New.
3837 * config/m32c/blkmov.md: New file.
3838 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3840 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3842 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3843 unsigned to fix signed/unsigned comparison issue in
3844 DWARF2_FRAME_REG_OUT.
3845 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3846 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3848 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3849 of ptr into the ENABLE_CHECKING section.
3851 2006-03-08 Jeff Law <law@redhat.com>
3853 * tree-vrp.c (infer_value_range): Only count pointer uses
3854 and dereferences if -fdelete-null-pointer-checks is enabled.
3856 * tree-vrp.c (find_assert_locations): Infer value ranges for
3857 single use pointers, but do not create ASSERT_EXPRs for them.
3858 When a non-null range is inferred for a pointer, backwards
3859 propagate that range to other equivalent pointers through the
3862 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3865 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3866 language hook targets.
3867 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3868 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3869 if language hook targets were missing.
3871 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3873 * tree-ssa-opfinalize.h: Removed.
3874 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3876 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3877 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3878 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3879 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3880 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3881 finalize_ssa_v_must_def_ops): New.
3883 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3885 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3888 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3890 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3892 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3893 addresses with offsets; reorganize.
3895 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3896 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3897 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3899 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3902 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3904 2006-03-08 Ben Elliston <bje@au.ibm.com>
3906 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3908 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3911 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3914 2006-03-07 Richard Guenther <rguenther@suse.de>
3916 PR tree-optimization/26587
3917 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3919 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3921 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3923 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3925 * hooks.c (hook_bool_mode_rtx_true): New function.
3926 * hooks.h (hook_bool_mode_rtx_true): Declare.
3927 * toplev.c (compile_file): Call output_shared_constant_pool.
3928 * varasm.c (shared_constant_pool): New variable.
3929 (assemble_start_function, assemble_end_function): Remove arguments
3930 from call to output_constant_pool.
3931 (create_constant_pool): New function, split out from...
3932 (init_varasm_status): ...here.
3933 (force_const_mem): Choose between the shared and per-function constant
3934 pools. Set current_function_uses_const_pool when reusing old entries
3935 as well as when creating new ones.
3936 (mark_constant): Ignore data argument.
3937 (mark_constants): Remove pool argument.
3938 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3939 to decide whether the function uses a constant pool.
3940 (output_constant_pool_contents): New function, split out from...
3941 (output_constant_pool): ...here.
3942 (output_shared_constant_pool): New function.
3943 (init_varasm_once): Initialize shared_constant_pool.
3944 * output.h (output_constant_pool): Delete.
3945 (output_shared_constant_pool): Declare.
3946 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3947 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3949 2006-03-06 Nick Clifton <nickc@redhat.com>
3951 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3952 flag_strength_reduce.
3954 2006-03-06 Ben Elliston <bje@au.ibm.com>
3956 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3957 x86_64-*-linux* configurations.
3959 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3960 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3962 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3964 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3966 * basic-block.h: Remove the extern for
3967 rediscover_loops_after_threading.
3969 * cfgloop.c (cancel_loop): Make it static.
3970 * cfgloop.h: Remove the prototype for cancel_loop.
3972 * flow.c (recompute_reg_usage): Make it static.
3973 * rtl.h: Remove the prototype for recompute_reg_usage.
3975 * function.c (use_return_register): Make it static.
3976 * function.h: Remove the prototype.
3978 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3980 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3982 * recog.h: Remove the prototype for
3983 validate_change_maybe_volatile.
3985 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3987 * rtlanal.c (replace_reg): Remove.
3988 * rtl.h: Remove the prototype for replace_reg.
3990 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3992 * regclass.c (reg_scan_update): Remove.
3993 (reg_scan_mark_refs): Remove the last argument.
3994 * rtl.h: Remove the prototype for reg_scan_update.
3996 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3998 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3999 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4000 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4001 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4002 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4003 loop-invariant.c, omp-low.c, opts.c, passes.c,
4004 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4005 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4006 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4007 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4008 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4009 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4011 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4013 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4014 * dwarf2out.h: Remove the prototype for
4015 dwarf2out_add_library_unit_info.
4017 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4019 * tree.c (add_var_to_bind_expr): Remove.
4020 * tree.h: Remove the prototype for add_var_to_bind_expr.
4022 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4024 * regclass.c (n_non_fixed_regs): Remove.
4025 (init_reg_sets_1, globalize_reg): Remove all uses of
4027 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4029 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4031 * rtlanal.c (insns_safe_to_move_p): Remove.
4032 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4034 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4036 * expmed.c (expand_mult_add): Remove.
4037 * expr.h: Remove the prototype for expand_mult_add.
4039 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4041 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4042 and REG_SAVED_VAL_EXP constants.
4043 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4044 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4045 Handle regs stored by value.
4046 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4047 (execute_cfa_program): Handle DW_CFA_val_offset,
4048 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4049 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4050 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4051 (uw_install_context_1): Handle target regs stored by value.
4053 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4055 * tree-sra.c (tree_sra): Return todoflags;
4056 (generate_one_element): Set TODO_update_smt_usage if needed.
4057 (pass_sra): Remove TODO_update_smt_usage.
4058 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4060 (tree_ssa_forward_propagate_single_use_vars): Return
4061 TODO_update_smt_usage if we need to update SMT usage.
4062 (pass_forwprop): Remove TODO_update_smt_usage.
4064 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4066 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4067 (correct_use_link): Remove reference to get_stmt_operands.
4068 (update_stmt_operands): Likewise.
4069 (get_modify_expr_operands): New function factored out of
4070 parse_ssa_operands and get_expr_operands.
4071 Try to create V_MUST_DEFs for LHS by default.
4072 (get_expr_operands) <case MODIFY_EXPR>: Call
4073 get_modify_expr_operands.
4074 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4075 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4076 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4077 get_modify_expr_operands.
4079 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4081 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4082 * tree-flow.h: Remove the prototype for
4083 referenced_var_lookup_if_exists.
4085 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4087 PR rtl-optimization/26345
4089 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4091 2006-03-03 Roger Sayle <roger@eyesopen.com>
4093 PR tree-optimization/26524
4094 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4095 fold_convert to create a constant of the appropriate type.
4097 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4099 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4100 SYMBOL_REF_IN_BLOCK_P.
4101 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4102 of SYMBOL_FLAG_IN_BLOCK.
4103 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4104 instead of SYMBOL_REF_IN_BLOCK_P.
4105 * explow.c (use_anchored_address): Likewise.
4106 * rtl.c (rtx_size): Likewise.
4107 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4108 instead of SYMBOL_FLAG_IN_BLOCK.
4109 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4110 SYMBOL_REF_IN_BLOCK_P.
4111 (assemble_variable): Likewise.
4112 (output_constant_def_contents): Likewise.
4113 (output_constant_pool): Likewise.
4114 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4115 instead of SYMBOL_FLAG_IN_BLOCK.
4116 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4117 SYMBOL_REF_IN_BLOCK_P.
4118 (SYMBOL_REF_BLOCK): Likewise.
4119 (SYMBOL_REF_OFFSET): Likewise.
4120 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4121 SYMBOL_REF_IN_BLOCK_P.
4122 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4123 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4124 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4125 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4127 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4129 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4131 2006-03-02 Roger Sayle <roger@eyesopen.com>
4133 * simplify-rtx.c (simplify_unary_operation): When simplifying
4134 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4135 that we perform the right shift in the appropriate mode, and
4136 then extend or truncate the result to requested mode.
4138 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4140 * gengtype.c (main): Handle double_int type.
4141 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4142 * double-int.c: New file.
4143 * double-int.h: New file.
4144 * system.h: Include doubleint.h.
4145 * Makefile.in (SYSTEM_H): Include double-int.h.
4146 (double-int.o): Add.
4148 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4151 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4154 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4156 * tree-vrp.c (remove_range_assertions): Do not update statements
4159 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4161 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4163 * gcse.c (rest_of_handle_gcse): Ditto.
4164 * except.c (gate_handle_eh): Ditto.
4165 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4166 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4168 2006-03-02 Eric Christopher <echristo@apple.com>
4170 * config/i386/i386.c (machopic_output_stub): Add indirection to
4173 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4177 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4179 Sun Niagara specific optimizations.
4180 * config.gcc: Recognize niagara as target.
4181 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4182 (TARGET_CPU_niagara): Define.
4183 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4184 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4185 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4186 (ASM_CPU_SPEC): Likewise.
4187 (PROCESSOR_NIAGARA): New enum entry.
4188 (REGISTER_MOVE_COST): Handle Niagara.
4189 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4190 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4191 (sparc_override_options): Recognize "niagara", set appropriate
4192 default MASK_* values for it, and align functions to 32-bytes
4193 by default just like ULTRASPARC/ULTRASPARC3.
4194 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4195 (sparc64_initialize_trampoline): Likewise.
4196 (sparc_use_sched_lookahead): Use zero for niagara.
4197 (sparc_issue_rate): Use one for niagara.
4198 * config/sparc/niagara.md: New file.
4199 * config/sparc/sparc.md: Include it.
4200 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4201 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4202 when default cpu is niagara.
4203 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4204 (ASM_CPU_SPEC): Likewise.
4205 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4206 when default cpu is niagara.
4207 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4208 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4209 just like v9/ultrasparc/ultrasparc3.
4210 * doc/invoke.texi: Add documentation for "niagara" and improve
4211 existing documentation for ultrasparc variants.
4213 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4215 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4217 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4219 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4220 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4221 and say that only one is needed.
4222 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4223 * target.h (have_switchable_bss_sections): New hook.
4224 * explow.c (use_anchored_address): Check that the symbol is in a block.
4225 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4226 (bss_noswitch_section): New variables.
4227 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4228 (get_noswitch_section): New function.
4229 (get_block_for_section): Allow SECT to be null.
4230 (unlikely_text_section_p): Use SECTION_STYLE.
4231 (bss_initializer_p): New function.
4232 (get_variable_section): Move earlier in file. Take a new argument,
4233 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4234 Return one of the new *_sections in such cases.
4235 (get_block_for_decl): New function, extracting some logic from
4236 use_blocks_for_decl_p.
4237 (change_symbol_section): Remove in favor of...
4238 (change_symbol_block): ...this new function.
4239 (use_blocks_for_decl_p): Remove checks now performed by
4241 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4242 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4243 (emit_local, emit_bss, emit_common): ...these new functions.
4244 Return true if the alignment was honored.
4245 (emit_tls_common): New function.
4246 (asm_emit_uninitialised): Delete.
4247 (assemble_variable_noswitch): New function, split out from...
4248 (assemble_variable): ...here. Don't make decisions about common
4249 variables here. Globalize all public decls that go into non-common
4250 sections. Check whether SYMBOL_REF_BLOCK is null.
4251 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4252 (output_constant_pool): Likewise.
4253 (init_varasm_once): Initialize the new section variables.
4254 (have_global_bss_p): New function.
4255 (categorize_decl_for_section): Use bss_initializer_p.
4256 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4257 (place_block_symbol): Assert that the symbol must be in a block.
4258 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4259 (TARGET_INITIALIZER): Include it.
4260 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4261 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4262 (SECTION_MACH_DEP): Bump by two.
4263 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4264 (unnamed_section): Mention SECTION_UNNAMED in comment.
4265 (named_section): Likewise SECTION_NAMED.
4266 (noswitch_section_callback): New type.
4267 (noswitch_section): New structure.
4268 (section): Add a noswitch_section alternative.
4269 (SECTION_STYLE): New macro.
4270 (tls_comm_section, comm_section, lcomm_section): Declare.
4271 (bss_noswitch_section, have_global_bss_p): Declare.
4272 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4273 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4275 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4276 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4279 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4281 * gcc/tree-vrp.c (execute_vrp): Return value.
4282 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4283 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4284 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4285 (tree_lower_complex_O0): Ditto.
4286 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4287 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4288 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4289 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4290 (execute_tail_calls): Ditto.
4291 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4292 * gcc/tree.h (init_function_for_compilation): Ditto.
4293 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4294 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4295 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4296 * gcc/final.c (compute_alignments): Ditto.
4297 (rest_of_handle_final): Ditto.
4298 (rest_of_handle_shorten_branches): Ditto.
4299 (rest_of_clean_state): Ditto.
4300 * gcc/omp-low.c (execute_expand_omp): Ditto.
4301 (execute_lower_omp): Ditto.
4302 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4303 * gcc/ipa-reference.c (static_execute): Ditto.
4304 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4305 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4306 (rest_of_handle_machine_reorg): Ditto.
4307 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4308 * gcc/flow.c (recompute_reg_usage): Ditto.
4309 (rest_of_handle_remove_death_notes): Ditto.
4310 (rest_of_handle_life): Ditto.
4311 (rest_of_handle_flow2): Ditto.
4312 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4313 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4314 (do_ssa_store_ccp): Ditto.
4315 (execute_fold_all_builtins): Ditto.
4316 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4317 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4318 * gcc/ipa-pure-const.c (static_execute): Ditto.
4319 * gcc/cse.c (rest_of_handle_cse): Ditto.
4320 (rest_of_handle_cse2): Ditto.
4321 * gcc/web.c (rest_of_handle_web): Ditto.
4322 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4323 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4324 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4325 * gcc/tree-nrv.c (tree_nrv): Ditto.
4326 (execute_return_slot_opt): Ditto.
4327 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4328 (create_structure_vars): Ditto.
4329 * gcc/loop-init.c (rtl_loop_init): Ditto.
4330 (rtl_loop_done): Ditto.
4331 (rtl_move_loop_invariants): Ditto.
4332 (rtl_unswitch): Ditto.
4333 (rtl_unroll_and_peel_loops): Ditto.
4334 (rtl_doloop): Ditto.
4335 * gcc/gimple-low.c (lower_function_body): Ditto.
4336 (mark_used_blocks): Ditto.
4337 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4338 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4339 (cgraph_early_inlining): Ditto.
4340 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4341 * gcc/jump.c (cleanup_barriers): Ditto.
4342 (purge_line_number_notes): Ditto.
4343 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4344 (rest_of_handle_if_after_reload): Ditto.
4345 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4346 (tree_ssa_loop_im): Ditto.
4347 (tree_ssa_loop_unswitch): Ditto.
4348 (tree_vectorize): Ditto.
4349 (tree_linear_transform): Ditto.
4350 (tree_ssa_loop_ivcanon): Ditto.
4351 (tree_ssa_empty_loop): Ditto.
4352 (tree_ssa_loop_bounds): Ditto.
4353 (tree_complete_unroll): Ditto.
4354 (tree_ssa_loop_prefetch): Ditto.
4355 (tree_ssa_loop_ivopts): Ditto.
4356 (tree_ssa_loop_done): Ditto.
4357 * gcc/predict.c (tree_estimate_probability): Ditto.
4358 * gcc/recog.c (split_all_insns_noflow): Ditto.
4359 (rest_of_handle_peephole2): Ditto.
4360 (rest_of_handle_split_all_insns): Ditto.
4361 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4362 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4363 (rest_of_handle_stack_adjustments): Ditto.
4364 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4365 * gcc/function.c (instantiate_virtual_regs): Ditto.
4366 (init_function_for_compilation): Ditto.
4367 (rest_of_handle_check_leaf_regs): Ditto.
4368 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4369 (rest_of_handle_gcse): Ditto.
4370 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4371 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4372 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4373 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4374 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4375 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4376 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4377 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4378 * gcc/except.c (set_nothrow_function_flags): Ditto.
4379 (convert_to_eh_region_ranges): Ditto.
4380 (rest_of_handle_eh): Ditto.
4381 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4382 (remove_unnecessary_notes): Ditto.
4383 * gcc/except.h (set_nothrow_function_flags): Ditto.
4384 (convert_to_eh_region_ranges): Ditto.
4385 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4386 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4387 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4388 (execute_fre): Ditto.
4389 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4390 (rest_of_handle_jump2): Ditto.
4391 * gcc/tree-sra.c (tree_sra): Ditto.
4392 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4393 (execute_mudflap_function_decls): Ditto.
4394 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4395 (do_store_copy_prop): Ditto.
4396 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4397 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4398 * gcc/tree-ssa-forwprop.c
4399 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4400 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4401 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4402 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4403 (execute_late_warn_uninitialized): Ditto.
4404 * gcc/rtl.h (cleanup_barriers): Ditto.
4405 (split_all_insns_noflow): Ditto.
4406 (purge_line_number_notes): Ditto.
4407 (unshare_all_rtl): Ditto.
4408 (remove_unnecessary_notes): Ditto.
4409 (recompute_reg_usage): Ditto.
4410 (variable_tracking_main): Ditto.
4411 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4412 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4413 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4414 (execute_free_cfg_annotations): Ditto.
4415 (execute_fixup_cfg): Ditto.
4416 (execute_cleanup_cfg_pre_ipa): Ditto.
4417 (execute_cleanup_cfg_post_optimizing): Ditto.
4418 (execute_init_datastructures): Ditto.
4419 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4420 * gcc/combine.c (rest_of_handle_combine): Ditto.
4421 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4422 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4423 (rest_of_handle_reorder_blocks): Ditto.
4424 (rest_of_handle_partition_blocks): Ditto.
4425 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4426 * gcc/tree-profile.c (tree_profiling): Ditto.
4427 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4428 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4429 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4430 (rest_of_handle_sched2): Ditto.
4431 * gcc/basic-block.h (free_bb_insn): Ditto.
4432 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4433 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4434 (remove_useless_stmts): Ditto.
4435 (split_critical_edges): Ditto.
4436 (execute_warn_function_return): Ditto.
4437 (execute_warn_function_noreturn): Ditto.
4438 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4439 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4440 * gcc/passes.c (execute_one_pass): Run additional
4441 todos returned by execute function.
4442 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4445 2006-03-02 Richard Guenther <rguenther@suse.de>
4447 * tree-ssa-alias.c (find_used_portions): Consider taking
4448 the address as making the variable not write-only.
4450 2006-03-02 Nick Clifton <nickc@redhat.com>
4452 * config.gcc (default_use_cxa_atexit): Extend the description of
4453 this configure variable. Set its default value to "yes" for
4454 Linux, NetBSD and ELF targets on the assumption that they will
4455 use C libraries with the __cxa_atexit function.
4457 2006-03-02 Ben Elliston <bje@au.ibm.com>
4459 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4460 parameter as unused to suppress a build warning.
4462 2006-03-02 Ben Elliston <bje@au.ibm.com>
4464 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4467 2006-03-01 Roger Sayle <roger@eyesopen.com>
4470 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4471 declared name, the weak reference name, and the typeof name.
4472 (__gthrw): Avoid expanding the declared name suffix.
4473 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4475 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4477 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4479 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4480 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4481 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4482 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4483 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4484 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4485 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4486 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4487 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4488 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4489 (DW_END_default, DW_END_big, DW_END_little): New.
4490 (DW_END_lo_user, DW_END_hi_user): Define.
4491 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4492 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4493 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4496 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4498 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4500 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4502 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4504 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4506 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4507 to 'symbol_mem_tag'.
4509 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4512 2006-03-01 Roger Sayle <roger@eyesopen.com>
4514 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4516 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4519 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4520 MACHO_DYNAMIC_NO_PIC_P.
4521 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4523 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4526 * config/darwin-protos.h (darwin_asm_output_anchor):
4528 * config/darwin-sections.def (cstring_section):
4529 Add SECTION_MERGE to the flags.
4530 (literal4_section): Likewise.
4531 (literal8_section): Likewise.
4532 (objc_selector_refs_section): Likewise.
4533 (objc_cls_refs_section): Likewise.
4534 * config/darwin.c (darwin_asm_output_anchor): New
4536 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4538 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4540 Fix PR tree-optimization/26443
4541 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4542 to todo and PROP_tmt_usage to properties_destroyed.
4543 * tree-ssa-ccp.c (pass_ccp): Ditto.
4544 (pass_store_ccp): Ditto.
4545 * tree-ssa-dom.c (pass_dominator): Ditto.
4547 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4549 * tree-ssa-operands.c: Cleanup whitespace.
4550 (get_asm_expr_operands): Move before first invocation.
4551 (get_indirect_ref_operands): Likewise.
4552 (get_tmr_operands): Likewise.
4553 (get_call_expr_operands): Likewise.
4554 (append_def): Likewise.
4555 (append_use): Likewise.
4556 (append_v_may_def): Likewise.
4557 (append_v_must_def): Likewise.
4558 (add_call_clobber_ops): Likewise.
4559 (add_call_read_ops): Likewise.
4560 (add_stmt_operand): Likewise.
4561 (add_virtual_operand): Likewise.
4562 (build_ssa_operands): Likewise.
4564 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4569 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4570 with a call expr to ...
4571 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4573 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4575 * tree-vrp.c (extract_range_from_assert): Remove special
4576 handling for types with super-types.
4578 2006-03-01 Ben Elliston <bje@au.ibm.com>
4580 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4581 and powerpc64-*-linux* configurations.
4582 * config/t-dfprules: New file.
4584 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4585 Compile dfp-bit.c from the source directory using -DWIDTH and
4586 $DFP_CFLAGS to control the compilation of that file, rather than
4587 generating width-specific versions in the build directory.
4588 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4589 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4591 2006-02-28 Zack Weinberg <zackw@panix.com>
4593 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4596 2006-02-28 Eric Christopher <echristo@apple.com>
4598 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4599 Set up IN_LIBGCC definition of TARGET_64BIT.
4600 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4602 2006-02-28 Roger Sayle <roger@eyesopen.com>
4605 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4606 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4607 cases via the construction of "expr != 0".
4609 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4611 * alias.c (alias_invariant, alias_invariant_size): Remove.
4612 (record_base_value): Remove.
4613 (memrefs_conflict_p): Don't look at alias_invariant.
4614 (end_alias_analysis): Don't free it.
4615 * alias.h (record_base_value): Remove prototype.
4617 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4618 Adam Nemet <anemet@caviumnetworks.com>
4620 * rtl.h (truncated_to_mode): Declare it.
4621 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4622 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4623 (RTL_HOOKS_INITIALIZER): Include it.
4624 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4625 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4626 reg_truncated_to_mode.
4627 * rtlanal.c (truncated_to_mode): Define it.
4628 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4630 2006-02-28 Jeff Law <law@redhat.com>
4632 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4633 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4634 the range allowed by TYPE_PRECISION.
4636 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4638 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4640 PR tree-optimization/26419
4641 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4644 2006-02-27 Zack Weinberg <zackw@panix.com>
4646 * doc/md.texi: Fix typo in previous change.
4648 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4652 2006-02-27 Zack Weinberg <zackw@panix.com>
4654 * rtl.def (define_constraint, define_register_constraint)
4655 (define_memory_constraint, define_address_constraint): New MD forms.
4656 * gensupport.c (process_rtx): Put define_constraint etc on the
4658 * genpreds.c (process_define_predicate): Adjust comment. Validate
4659 the name, and call validate_exp to validate the expression.
4660 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4661 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4662 all callers changed.
4663 (validate_exp, needs_variable, struct constraint_data)
4664 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4665 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4666 (const_dbl_constraints, constraint_max_namelen)
4667 (have_register_constraints, have_memory_constraints)
4668 (have_address_constraints, have_address_constraints)
4669 (have_extra_constraints, have_const_int_constraints)
4670 (have_const_dbl_constraints, mangle, add_constraint)
4671 (process_define_constraint, process_define_register_constraint)
4672 (write_enum_constraint_num, write_lookup_constraint)
4673 (write_insn_constraint_len, write_regclass_for_constraint)
4674 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4675 (write_insn_extra_memory_constraint)
4676 (write_insn_extra_address_constraint)
4677 (write_satisfies_constraint_fns): New.
4678 (write_tm_preds_h): If we have new-style constraint definitions,
4679 prototype the functions generated from them, and define the
4680 old constraint interface (still used by generic code) in terms of
4682 (write_insn_preds_c): If we have new-style constraint definitions,
4683 generate all relevant functions from those definitions.
4684 (main): Handle define_constraint etc.
4685 * genoutput.c (struct constraint_data, indep_constraints)
4686 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4687 (mdep_constraint_len): New data structures and functions, defined
4688 #ifdef USE_MD_CONSTRAINTS.
4689 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4690 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4691 use new logic to validate operand constraints against constraint
4693 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4695 * defaults.h: If none of the old-style constraint macros are
4696 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4697 old-style macros; and poison REG_CLASS_FROM_LETTER,
4698 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4700 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4701 * doc/md.texi: Document new constraint-definition mechanism and the
4702 C interface it provides. Remove references to old mechanism
4703 elsewhere in the document.
4704 (Machine Constraints): Use pathnames relative to gcc directory,
4705 i.e. config/ARCH/FILE. Change i386 section to refer to
4706 config/i386/predicates.md; update that section to match docstrings.
4707 * doc/tm.texi: Move all documentation of the old constraint-
4708 definition macros to their own section, clearly mark as obsolete.
4710 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4711 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4713 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4714 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4715 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4717 (splits and peepholes): Use satisfies_constraint_*.
4718 * config/i386/i386.c (memory_address_length)
4719 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4721 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4723 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4724 scalar operation to be put back into the loop.
4726 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4729 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4730 (extract_cie_info): Handle S flag in augmentation string.
4731 (execute_cfa_program): If context->signal_frame, execute also
4732 fs->pc == context->ra instructions.
4733 (uw_frame_state_for): If context->signal_frame, don't subtract one
4734 from context->ra to find FDE.
4735 (uw_update_context_1): Set context->signal_frame to
4737 (_Unwind_GetIPInfo): New function.
4738 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4739 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4741 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4742 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4743 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4744 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4745 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4746 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4747 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4748 x86_64_fallback_frame_state): Set fs->signal_frame.
4749 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4750 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4751 (frob_update_context): Likewise. Workaround missing S flag in
4752 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4753 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4754 Remove the psw_addr + 1 hack.
4756 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4758 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4759 with aggregates here.
4760 (find_func_aliases): Remove code for &<aggregate> from here.
4762 2006-02-26 Roger Sayle <roger@eyesopen.com>
4764 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4765 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4766 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4769 2006-02-26 Roger Sayle <roger@eyesopen.com>
4772 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4774 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4776 * opts.c (decode_options): Do not handle flag_strength_reduce.
4777 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4778 and OPT_fstrength_reduce.
4779 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4780 flag_prefetch_loop_arrays for being nonzero.
4781 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4783 (fprefetch-loop-arrays-rtl): Removed.
4784 (flag_prefetch_loop_arrays): Do not specify the value.
4786 * doc/passes.texi: Update documentation of loop optimizer
4788 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4789 -frerun-loop-opt): Remove.
4791 2006-02-26 Richard Guenther <rguenther@suse.de>
4793 PR tree-optimization/26421
4794 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4795 in function calls that are ADDR_EXPRs as using the whole structure.
4797 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4799 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4800 * tree-pass.h (pass_loop_optimize): Remove.
4801 * passes.c (pass_loop_optimize): Never run it.
4802 * toplev.c (backend_init): Don't call init_loop.
4803 * opts.c (flag_loop_optimize_set): Remove.
4804 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4805 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4806 the old RTL loop optimizer when profiling enabled.
4807 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4808 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4809 pre-headers for the sake of the old RTL loop optimizer.
4810 * Makefile.in: Remove all references to loop.o.
4812 * doc/invoke.texi: Remove all references to -floop-optimize
4813 and -frerun-loop-opt.
4815 2006-02-26 Zack Weinberg <zackw@panix.com>
4817 * doc/md.texi (Machine Constraints): Refer to all files with paths
4818 relative to gcc directory (i.e. config/CPU/file). Add missing
4819 @table @code ... @end table to M32C subsection.
4821 2006-02-26 Roger Sayle <roger@eyesopen.com>
4823 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4825 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4827 2006-02-26 Roger Sayle <roger@eyesopen.com>
4828 James A. Morrison <phython@gcc.gnu.org>
4831 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4832 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4833 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4834 signedness of the shift operation.
4836 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4838 PR tree-optimization/26359
4839 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4841 2006-02-25 Roger Sayle <roger@eyesopen.com>
4843 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4844 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4845 as X == 0, and some symmetry related transformations.
4846 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4848 2006-02-25 Roger Sayle <roger@eyesopen.com>
4851 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4852 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4853 symmetry related transformations. Fold (X^C1) == C2 as
4856 2006-02-25 Juergen Weigert <jw@suse.de>
4857 Richard Guenther <rguenther@suse.de>
4859 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4861 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4863 * combine.c (gen_lowpart_or_truncate): Call
4864 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4866 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4868 * doc/invoke.texi: Move -fopenmp description to "Options for
4870 Remove reference to -lgomp.
4872 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4874 * doc/install.texi: Require GNU tar version 1.14.
4876 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4878 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4879 * doc/invoke.texi (C++ Dialect Options): Document
4880 -fno-use-cxa-get-exception-ptr.
4881 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4882 * configure: Regenerate.
4883 * c.opt (fuse-cxa-get-exception-ptr): New.
4884 * c-opts.c (c_common_handle_option): Handle
4885 OPT_fuse_cxa_get_exception_ptr.
4886 * c-common.c (flag_use_cxa_atexit): Update documentation.
4887 (flag_use_cxa_get_exception_ptr): New.
4888 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4889 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4891 (C_COMMON_OVERRIDE_OPTIONS): New.
4893 2006-02-24 Roger Sayle <roger@eyesopen.com>
4896 * combine.c (try_combine): Explicitly check whether GET_CODE is
4897 a SET or a CLOBBER, instead on checking that it isn't a USE.
4899 2006-02-24 Roger Sayle <roger@eyesopen.com>
4901 * fold-const.c (fold_comparison): New subroutine of fold_binary
4902 containing transformations common to both the equality and
4903 ordering relational operators, factored out of fold_binary.
4904 (fold_binary): Separate out the equality operators (EQ_EXPR
4905 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4906 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4907 transformations common to both.
4908 (fold_div_compare): Fix latent bugs in the previously unreachable
4909 LT_EXPR and GE_EXPR cases.
4911 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4913 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4914 decl libname for clog to __clog on AIX.
4916 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4918 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4921 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4922 output traceback table for thunks. Localise rs6000_stack_info call.
4924 2006-02-23 Roger Sayle <roger@eyesopen.com>
4925 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4927 * gthr-posix.h (__gthrw): Fix typo in comment.
4929 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4931 * doc/cpp.texi (Character sets): Document that we do support
4932 input files to be in any character set.
4934 2006-02-23 Jeff Law <law@redhat.com>
4936 * tree.h (PHI_ARG_NONZERO): Remove.
4937 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4938 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4939 node to the new node.
4941 PR tree-optimization/26425
4942 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4943 min/max, then assume its varying.
4945 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4947 PR rtl-optimization/26316
4948 * rtlanal.c (enum may_trap_p_flags): New.
4949 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4950 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4951 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4952 (may_trap_after_code_motion_p): New function.
4953 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4954 (find_invariant_insn): Use may_trap_after_code_motion_p.
4955 * rtl.h (may_trap_after_code_motion_p): Declare.
4957 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4959 * emit-rtl.c (immed_double_const): Cleanup.
4961 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4963 Fix PR tree-optimization/26376
4964 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4967 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4970 * gimplify.c (omp_add_variable): Guard variable size decl test with
4971 DECL_SIZE (decl) check.
4973 2006-02-23 Richard Guenther <rguenther@suse.de>
4976 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4977 like aggregate types.
4979 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4981 * configure.ac: Add --with{,out}-long-double-128 configure option.
4982 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4983 * configure: Rebuilt.
4984 * config.in: Rebuilt.
4985 * doc/install.texi (Options specification): Document
4986 --with-long-double-128.
4988 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4989 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4990 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4991 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4993 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4995 * config/s390/s390.c (override_options): Handle
4996 TARGET_DEFAULT_LONG_DOUBLE_128.
4998 * config/alpha/alpha.c (override_options): Handle
4999 TARGET_DEFAULT_LONG_DOUBLE_128.
5001 * config/sparc/sparc.c (sparc_override_options): Handle
5002 TARGET_DEFAULT_LONG_DOUBLE_128.
5004 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5006 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5007 (real-install-headers-tar, real-install-headers-cpio)
5008 (real-install-headers-cp): New targets.
5010 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5012 * tree.h (variable_section): Delete.
5013 * varasm.c (variable_section): Delete.
5015 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5017 * install.texi: Add notes on install.texi2html.
5018 (Building in parallel): Do not use footnotes.
5020 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5023 * doc/install.texi (Configuration): Document --disable-libgomp.
5025 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5027 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5029 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5031 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5032 (vec_extractv2df_0_sse): New.
5034 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5036 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5037 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5038 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5039 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5040 to the result of the expression.
5041 (def_cfa_1): Adjust.
5042 (frame_pointer_cfa_offset): Rename to...
5043 (frame_pointer_fb_offset): ... this. Adjust all uses.
5044 (convert_cfa_to_loc_list): Rename to...
5045 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5046 Pass it on to build_cfa_loc.
5047 (compute_frame_pointer_to_cfa_displacement): Rename to...
5048 (compute_frame_pointer_to_fb_displacement): ... this. New
5049 offset parameter. Use it in computation.
5050 (gen_subprogram_die): Compute cfa_fb_offset with the new
5051 macro, and use it to compute the fb loc list and the
5054 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5056 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5057 replaced with register_operand.
5058 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5059 non-DREG is expensive.
5060 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5061 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5064 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5066 * doc/install.texi2html: Use set -e.
5068 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5070 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5071 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5072 * doc/invoke.texi (-fshared-data): Delete.
5073 * common.opt (fshared-data): Delete.
5074 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5075 (assemble_static_space): Remove #if 0 code.
5076 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5077 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5078 * config/cris/cris.h: Remove FIXME.
5080 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5082 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5085 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5088 * combine.c (simplify_shift_const_1): Disable nested shifts
5089 optimization for vector shifts.
5091 2006-02-20 Roger Sayle <roger@eyesopen.com>
5093 PR tree-optimization/26361
5094 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5095 of unsigned integer types.
5097 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5099 * tree-chrec.c (eq_evolutions_p): New.
5100 * tree-chrec.h (eq_evolutions_p): Declared.
5101 * tree-data-ref.c: Fix formatting.
5102 (datadep_stats, dependence_stats): New.
5104 (print_direction_vector): New.
5105 (dump_data_dependence_relation): Use print_direction_vector.
5106 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5107 (compute_subscript_distance): Static.
5108 (initialize_data_dependence_relation): Static. Get the number
5109 of loops surrounding the references from the callers, and initialize
5110 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5111 base_object_differ_p analyzers.
5112 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5113 compute_overlap_steps_for_affine_1_2,
5114 analyze_subscript_affine_affine): Count the classified dependences.
5115 Print a message when a test failed.
5116 (can_use_analyze_subscript_affine_affine): New.
5117 (analyze_siv_subscript): Compute the data dependences on symbolic
5118 scevs that verify can_use_analyze_subscript_affine_affine.
5119 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5120 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5121 Handle symbolic scevs.
5122 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5124 (subscript_dependence_tester): Moved...
5125 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5126 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5127 DDR_SIZE_VECT instead of getting it in parameter.
5128 (subscript_dependence_tester): ... here. Take as a parameter
5129 loop_nest_depth. Call build_classic_dist_vector and
5130 build_classic_dir_vector.
5131 (compute_affine_dependence): Update subscript_dependence_tester
5132 parameters. Update datadep_stats counters. Call
5133 compute_subscript_distance.
5134 (compute_self_dependence): Save the dist and dir vectors. Call
5135 compute_subscript_distance.
5136 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5137 (compute_all_dependences): Reorder parameters as they were before
5138 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5139 compute_subscript_distance. Update the use of
5140 compute_affine_dependence and initialize_data_dependence_relation.
5141 (find_data_references_in_loop): Handle COMPONENT_REF.
5142 (compute_data_dependences_for_loop): Initialize dependence_stats.
5143 Don't call build_classic_dist_vector and build_classic_dir_vector.
5144 Update the parameters of initialize_data_dependence_relation and
5145 compute_all_dependences. Print the statistics from datadep_stats.
5146 (analyze_all_data_dependences): Static. Not used until the pass for
5147 checking the data dependences is contributed.
5148 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5149 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5150 (initialize_data_dependence_relation, compute_affine_dependence,
5151 analyze_all_data_dependences, compute_subscript_distance): Removed.
5152 (print_direction_vector): New.
5153 * lambda.h (gcd): ... here.
5154 (lambda_vector_gcd): Moved here from gcd_vector.
5155 * lambda-code.c (gcd, gcd_vector): Removed.
5156 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5157 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5159 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5161 * ipa-type-escape.c: Tidy some comments and white space.
5162 * tree-ssa-operands.c: Likewise.
5164 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5167 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5168 (dump_decl_name): Do not walk the decl tree chains.
5169 * tree-pass.h (TDF_CHAIN): Remove.
5171 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5173 * Makefile.in (C): Remove
5175 (.PHONY): Remove C and PROTO
5177 2006-02-20 Roger Sayle <roger@eyesopen.com>
5180 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5181 deprecated CHAR_TYPE tree code.
5183 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5185 * configure.ac (target_list): Add install-info, dvi, html.
5186 * configure: Regenerate.
5188 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5189 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5190 treelang/Make-lang.in: Do not use double-colon rules.
5192 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5194 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5195 (TMT_USED_ALONE): New macro.
5196 * tree-pass.h (PROP_tmt_usage): New property.
5197 (TODO_update_tmt_usage): New todo.
5198 * tree-ssa-alias.c (updating_used_alone): New variable.
5199 (recalculate_used_alone): New function.
5200 (compute_may_aliases): Set updating_used_alone, call
5201 recalculate_used_alone.
5202 * tree-sra.c (pass_sra): Note that this pass destroys
5203 PROP_tmt_usage, and add TODO_update_tmt_usage.
5204 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5205 * tree-flow.h (updating_used_alone): Prototype.
5206 (recalculate_used_alone): Ditto.
5207 * passes.c (execute_todo): Add code to set updating_used_alone,
5208 and call recalculate.
5209 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5210 for clobber if used alone, and add assert to verify used_alone
5213 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5215 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5216 for non tls symbols added.
5217 (legitimize_address): Do nothing for PLUS expressions if one of the
5218 addends is a tls symbol reference.
5220 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5224 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5226 * Makefile.in (BOOTSTRAPPING): New.
5227 (quickstrap): New definition if BOOTSTRAPPING=yes.
5229 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5230 * configure.ac: Substitute all_selected_languages with the languages
5231 that were configured. For all the other variables except
5232 lang_specs_files, include all the languages in the tree.
5233 * configure: Regenerate.
5235 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5236 if there is one. Run the commands to run fixincludes in the same
5239 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5240 * doc/install.texi: Document exact conventions for searching target tools.
5241 Document --with-build-time-tools. Document toplevel bootstrap. Document
5242 something more about building an Ada cross-compiler. Don't list GNU Make
5243 requirements which affect all platforms.
5245 2006-02-19 Roger Sayle <roger@eyesopen.com>
5248 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5249 only equivalent if the have both the same mode and precision.
5251 2006-02-20 Ben Elliston <bje@au.ibm.com>
5253 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5255 2006-02-19 Roger Sayle <roger@eyesopen.com>
5256 Steven Bosscher <stevenb.gcc@gmail.com>
5258 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5259 constant pool references to identify stack mode constants.
5260 * rtlanal.c (constant_pool_constant_p): New predicate to check
5261 whether operand is a floating point constant in the pool.
5262 * rtl.h (constant_pool_constant_p): Prototype here.
5263 * loop.c (scan_loop): Avoid hoisting constants from the constant
5264 pool on STACK_REGS targets.
5265 (load_mems): Likewise.
5266 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5267 loads into x87 registers expensive in terms of register pressure.
5269 2006-02-19 Roger Sayle <roger@eyesopen.com>
5271 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5272 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5274 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5276 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5277 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5279 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5281 * doc/invoke.texi: Document -fipa-pta.
5282 * common.opt: Add ipa-pta option.
5283 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5284 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5285 (do_ds_constraint): Ditto.
5286 (get_constraint_for): Only add to referenced_vars if
5287 referenced_vars exists.
5288 (insert_into_field_list): Rewrite to do this unsorted.
5289 (insert_into_field_list_sorted): Rename old insert_into_field_list
5291 (create_function_info_for): Use insert_into_field_list_sorted.
5292 (create_variable_info_for): Rewrite so it uses unsorted version,
5293 since the field list is sorted.
5294 (intra_create_variable_infos): Only add to referenced_vars if
5295 referenced_vars exists.
5296 (ipa_pta_execute): Init heapvars, and delete when done.
5297 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5299 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5301 * doc/install.texi: Add missing `@samp'.
5303 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5305 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5308 2006-02-18 Mark Wielaard <mark@klomp.org>
5310 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5311 who added new 4.1 features, bug fixes and integration support.
5313 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5316 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5319 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5321 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5322 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5323 (copy_insn_1): Likewise. Don't copy each field individually.
5325 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5327 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5328 * rtl.c (rtx_size): Rename variable to...
5329 (rtx_code_size): ...this.
5330 (rtx_size): New function.
5331 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5332 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5334 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5335 * rtl.h (rtx_code_size): New variable.
5336 (rtx_size): Change from a variable to a function.
5337 (RTX_SIZE): Rename to...
5338 (RTX_CODE_SIZE): ...this.
5341 PR tree-optimization/17106
5342 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5343 (Anchored Addresses): New section.
5344 * doc/invoke.texi (-fsection-anchors): Document.
5345 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5346 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5347 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5348 * hooks.c (hook_bool_mode_rtx_false): New function.
5349 * hooks.h (hook_bool_mode_rtx_false): Declare.
5350 * gengtype.c (create_optional_field): New function.
5351 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5352 SYMBOL_REF_IN_BLOCK_P is true.
5353 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5354 (min_anchor_offset, max_anchor_offset): Likewise.
5355 (use_anchors_for_symbol_p): New hook.
5356 * toplev.c (compile_file): Call output_object_blocks.
5357 (target_supports_section_anchors_p): New function.
5358 (process_options): Check that -fsection-anchors is only used on
5359 targets that support it and when -funit-at-a-time is in effect.
5360 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5361 if the decl doesn't have one.
5362 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5363 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5364 of force_const_mem through use_anchored_address.
5365 (expand_expr_constant): New function.
5366 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5367 calling expand_expr for INDIRECT_REF.
5368 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5369 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5370 * expr.h (use_anchored_address): Declare.
5371 * loop-unroll.c: Don't declare rtx vectors here.
5372 * explow.c: Include output.h.
5373 (validize_mem): Call use_anchored_address.
5374 (use_anchored_address): New function.
5375 * common.opt (-fsection-anchors): New switch.
5376 * varasm.c (object_block_htab, anchor_labelno): New variables.
5377 (hash_section, object_block_entry_eq, object_block_entry_hash)
5378 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5379 (use_blocks_for_decl_p, change_symbol_section): New functions.
5380 (get_variable_section): New function, split out from assemble_variable.
5381 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5382 use_blocks_for_decl_p say so. Use change_symbol_section if the
5383 symbol has already been created.
5384 (assemble_variable_contents): New function, split out from...
5385 (assemble_variable): ...here. Don't output any code for
5386 block symbols; just pass them to place_block_symbol.
5387 Use get_variable_section and assemble_variable_contents.
5388 (get_constant_alignment, get_constant_section, get_constant_size): New
5389 functions, split from output_constant_def_contents.
5390 (build_constant_desc): Create a block symbol if use_object_blocks_p
5391 says so. Or into SYMBOL_REF_FLAGS.
5392 (assemble_constant_contents): New function, split from...
5393 (output_constant_def_contents): ...here. Don't output any code
5394 for block symbols; just pass them to place_section_symbol.
5395 Use get_constant_section and get_constant_alignment.
5396 (force_const_mem): Create a block symbol if use_object_blocks_p and
5397 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5398 (output_constant_pool_1): Add an explicit alignment argument.
5399 Don't switch sections here.
5400 (output_constant_pool): Adjust call to output_constant_pool_1.
5401 Switch sections here instead. Don't output anything for block symbols;
5402 just pass them to place_block_symbol.
5403 (init_varasm_once): Initialize object_block_htab.
5404 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5405 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5406 (place_block_symbol, get_section_anchor, output_object_block)
5407 (output_object_block_htab, output_object_blocks): New functions.
5408 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5409 (TARGET_ASM_OUT): Include it.
5410 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5411 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5412 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5413 (TARGET_INITIALIZER): Include them.
5414 * rtl.c (rtl_check_failed_block_symbol): New function.
5415 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5416 (block_symbol, object_block): New structures.
5417 (rtx_def): Add a block_symbol field to the union.
5418 (BLOCK_SYMBOL_CHECK): New macro.
5419 (rtl_check_failed_block_symbol): Declare.
5420 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5421 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5422 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5423 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5424 * output.h (output_section_symbols): Declare.
5425 (object_block): Name structure.
5426 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5427 (default_use_anchors_for_symbol_p): Declare.
5428 * Makefile.in (RTL_BASE_H): Add vec.h.
5429 (explow.o): Depend on output.h.
5430 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5431 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5432 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5433 (rs6000_use_blocks_for_constant_p): New function.
5435 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5437 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5439 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5442 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5445 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5447 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5451 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5454 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5455 instead of DECL_REGISTER.
5457 2006-02-18 Olivier Hainque <hainque@adacore.com>
5460 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5462 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5465 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5466 * opth-gen.awk: Handle Var and InverseMask together.
5467 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5468 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5469 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5470 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5472 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5473 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5474 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5475 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5476 LINUX_DYNAMIC_LINKER): Define.
5477 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5478 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5480 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5481 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5482 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5483 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5484 (TARGET_C99_FUNCTIONS): Don't define.
5485 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5486 GLIBC_DYNAMIC_LINKER.
5487 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5488 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5489 GLIBC_DYNAMIC_LINKER64): Define.
5490 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5491 LINUX_DYNAMIC_LINKER64.
5492 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5493 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5494 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5496 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5497 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5498 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5499 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5500 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5501 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5502 and LINUX_DYNAMIC_LINKER32.
5503 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5504 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5505 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5506 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5507 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5509 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5510 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5511 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5512 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5513 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5514 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5515 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5516 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5517 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5518 LINUX_DYNAMIC_LINKER): Define.
5519 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5520 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5521 GLIBC_DYNAMIC_LINKER64): Define.
5522 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5523 LINUX_DYNAMIC_LINKER64.
5524 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5525 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5526 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5527 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5528 LINUX_DYNAMIC_LINKER): Define.
5529 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5530 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5531 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5532 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5533 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5534 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5535 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5536 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5537 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5538 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5539 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5540 * doc/invoke.texi (-muclibc): Remove caveat about supported
5543 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5545 * doc/cpp.texi (__TIMESTAMP__): Document.
5547 2006-02-17 Roger Sayle <roger@eyesopen.com>
5550 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5551 C is one less than the width of X (and related transformations).
5552 * simplify-rtx.c (simplify_unary_operation_1): Transform
5553 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5554 depending on STORE_FLAG_VALUE, were C is one less then the
5557 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5559 Fix PR tree-optimization/26341
5560 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5561 about NAME_MEMORY_TAG's.
5563 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5566 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5567 with hardware float support, and software float support. Add fcpy
5568 alternative to hardware patterns. Add alternatives to copy between
5569 general and floating-point registers to the 32-bit pattern.
5570 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5571 secondary reload to load a QI or HI mode constant into a floating
5573 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5574 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5576 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5579 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5581 (load_macho_picbase_di): Likewise.
5583 2006-02-16 Jeff Law <law@redhat.com>
5585 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5586 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5587 (ssa_name_nonzero_p): Likewise.
5588 (get_value_range): Return NULL if VRP is not running.
5589 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5590 VRP routines do not discover a range.
5591 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5592 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5593 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5594 (tree_expr_nonnegative_p): Similarly.
5595 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5596 (restore_nonzero_vars_to_original_value): Remove.
5597 (unsafe_associative_fp_binop): Remove.
5598 (tree_ssa_dominator_optimize): Remove initialization and
5599 finalization of nonzero_vars and nonzero_vars_stack.
5600 (dom_opt_initialize_block): No longer push marker on
5602 (dom_opt_finalize_block): No longer call
5603 restore_nonzero_vars_to_original_value.
5604 (record_equivalences_from_phis): No longer look for
5605 nonzero PHI arguments.
5606 (cprop_into_successor_phis): No longer propagate nonzero
5607 property into PHI arguments. Lose unused argument. Caller
5609 (record_equivalences_from_stmt): No longer record nonzero
5610 values for SSA_NAMEs.
5611 (lookup_avail_expr): No longer use nonzero_vars.
5613 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5614 for sizetype when sizetype is unsigned.
5616 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5618 PR rtl-optimization/25603
5619 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5620 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5621 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5622 with new meaning of SETS.
5624 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5629 * config/linux.opt: New file.
5630 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5631 LINUX_DYNAMIC_LINKER): Define.
5632 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5633 * config.gcc (*-*-linux*): Define extra_options.
5634 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5635 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5636 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5637 GLIBC_DYNAMIC_LINKER.
5638 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5639 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5640 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5641 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5642 * doc/invoke.texi (GNU/Linux Options): New section.
5644 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5646 * config/sparc/sparc.md (setjmp): Rewrite.
5647 (setjmp_32): Delete.
5648 (setjmp_64): Likewise.
5650 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5652 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5655 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5657 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5660 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5662 PR rtl-optimization/26296
5663 * Makefile.in (loop-invariant.c): Add except.h dependency.
5664 * loop-invariant.c: Include except.h.
5665 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5667 2005-02-16 Paul Brook <paul@codesourcery.com>
5669 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5672 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5674 PR rtl-optimization/25636
5675 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5676 when deciding whether an insn is an initializing insn.
5678 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5680 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5681 (tree_code_size): Ditto.
5682 * tree.h (struct tree_memory_tag): Remove parent_var.
5683 (struct tree_struct_field_tag): New.
5686 (union tree_node): Add sft member.
5687 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5689 (create_sft): Add size and offset argument, set SFT_OFFSET and
5691 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5692 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5693 * tree-flow-inline.h (get_subvar_at): Update for
5694 SFT_OFFSET/SFT_SIZE.
5695 (var_can_have_subvars): Ditto.
5696 (overlap_subvar): Ditto.
5697 * print-tree.c (print_node): Print out interesting things for
5699 * tree-flow.h (struct subvar): Remove offset and size members.
5700 * tree-ssa-operands.c (get_expr_operands): Update for
5701 get_indirect_ref_operands changes.
5702 (get_indirect_ref_operands): Call add_virtual_operand instead of
5703 add_stmt_operand. Only recurse on base var if requested.
5704 (access_can_touch_variable): New function.
5705 (add_stmt_operand): Split virtual operand handling into ...
5706 (add_virtual_operand): Here. Add offset, size, and for_clobber
5707 arguments. Prune alias sets.
5708 (add_call_clobber_ops): Call add_virtual_operand.
5710 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5713 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5715 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5716 than TREE_CODE as index into omp_clause_num_ops array.
5718 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5720 PR rtl-optimization/26184
5721 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5723 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5724 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5725 must_precede, must_follow and tobe_scheduled.
5728 * opts.c (common_handle_option): Free new_option pointer.
5729 * df-core.c (df_analyze): Free postorder pointer.
5731 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5733 * Makefile.in: Fix the examples about the use of stamps
5735 2006-02-15 Michael Matz <matz@suse.de>
5739 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5740 influenced by maximum_field_alignment or DECL_PACKED.
5741 (update_alignment_for_field): Ditto.
5742 (place_field): Ditto.
5743 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5746 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5748 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5749 (debug_flow_info): Pass it.
5750 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5751 * bb-reorder.c (reorder_basic_blocks): Likewise.
5752 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5753 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5754 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5755 * gcse.c (gcse_main, bypass_jumps): Likewise.
5756 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5757 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5758 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5759 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5760 * rtl.h (dump_flow_info): Adjust prototype.
5761 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5762 * var-tracking.c (variable_tracking_main): Likewise.
5763 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5764 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5767 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5769 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5772 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5774 PR tree-optimization/26209
5775 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5776 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5778 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5780 2006-02-14 Roger Sayle <roger@eyesopen.com>
5783 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5784 (X,Y) and the corresponding symmetry related transformations.
5785 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5786 (X,Y) and its symmetry related transformations.
5788 2006-02-14 Roger Sayle <roger@eyesopen.com>
5790 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5793 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5795 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5797 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5800 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5801 support COMDAT group.
5802 * configure: Regenerate.
5804 2006-02-14 Roger Sayle <roger@eyesopen.com>
5809 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5811 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5813 Fix PR tree-optimization/26260
5815 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5817 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5818 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5819 * tree-ssa-structalias.c (create_variable_info_for): Use
5820 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5822 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5824 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5826 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5827 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5828 of the ending condition.
5829 * tree-ssa-loop-manip.c: Include params.h.
5830 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5831 tree_unroll_loop): New functions.
5832 * tree-pass.h (pass_loop_prefetch): Declare.
5833 * loop.c (rest_of_handle_loop_optimize): Test for
5834 -fprefetch-loop-arrays-rtl.
5835 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5836 * timevar.def (TV_TREE_PREFETCH): New timevar.
5837 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5838 pass_loop_prefetch): New.
5839 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5840 (cleanup_tree_cfg_loop): Call scev_reset.
5841 * common.opt (fprefetch-loop-arrays-rtl): Add.
5842 * tree-ssa-loop-prefetch.c: New file.
5843 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5844 (new_temp_expr_table): Initialize expr_vars.
5845 (free_temp_expr_table): Cleanup expr_vars.
5846 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5847 expressions from being merged into one.
5848 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5849 (struct tree_niter_desc): Add control, bound and cmp fields.
5850 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5852 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5853 (tree-cfgcleanup.o): Add SCEV_H dependency.
5854 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5855 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5857 2006-02-14 Richard Guenther <rguenther@suse.de>
5859 PR tree-optimization/26258
5860 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5861 in PHI argument processing.
5863 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5865 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5866 new expression in the requested machine mode.
5868 2006-02-13 Roger Sayle <roger@eyesopen.com>
5870 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5871 directly, instead let do_compare_rtx_and_jump handle this for us.
5872 * expr.c (expand_expr_real_1): Likewise.
5873 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5874 before do_jump_by_parts_greater.
5875 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5876 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5878 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5880 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5882 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5884 PR rtl-optimization/26235
5885 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5886 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5889 2006-02-13 Jeff Law <law@redhat.com>
5891 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5894 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5897 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5898 twice if decl is a builtin. When trying again, call get_callee_fndecl
5899 first to verify it is still a builtin.
5901 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5903 * dwarf2out.c (base_type_die): Don't add AT_name here.
5904 (subrange_type_die): Don't add AT_name here.
5905 (modified_type_die): Rearrange code flow. Do add AT_name here.
5907 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5909 PR rtl-optimization/26247
5910 PR rtl-optimization/26248
5911 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5913 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5915 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5916 * config/fixtfdi.c: Likewise.
5917 * config/fixunstfdi.c: Likewise.
5918 * config/floatditf.c: Likewise.
5920 2006-02-13 Roger Sayle <roger@eyesopen.com>
5923 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5924 into (X,C2) if C1 is a subset of the bits of C2. Transform
5925 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5927 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5929 2006-02-13 Josh Conner <jconner@apple.com>
5932 * varasm.c (function_section): Check for section name before
5933 calling select_section on targets that define
5934 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5935 unlikely_text_section instead of hot_function_section if
5936 first_function_block_is_cold.
5938 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5941 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5943 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5945 PR rtl-optimization/26222
5946 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5947 after tree->rtl expansion.
5948 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5949 before passing it to emit_move_insn.
5951 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5953 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5955 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5956 Clarify documentation.
5957 * c-common.h (warn_write_strings): Remove.
5958 * c-common.c (warn_write_strings): Likewise.
5959 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5962 2006-02-12 Roger Sayle <roger@eyesopen.com>
5965 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5966 (do_jump_parts_zero_rtx): New function renamed from
5967 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5968 (do_jump_parts_equality_rtx): New function split out from
5969 do_jump_parts_equality. Old implementation renamed as above.
5970 Call do_jump_parts_zero_rtx if either operand is zero.
5971 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5972 do all of the heavy lifting.
5973 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5974 calling either do_jump_by_parts_greater_rtx or
5975 do_jump_by_parts_equality_rtx.
5976 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5977 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5978 moved to do_compare_rtx_and_jump, call it directly.
5979 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5980 mode argument. Call do_compare_rtx_and_jump.
5981 (emit_case_nodes): Update calls to do_jump_if_equal.
5983 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5985 PR rtl-optimization/26225
5986 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5988 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5990 PR rtl-optimization/26232
5991 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5993 2006-02-11 Jason Merrill <jason@redhat.com>
5996 * tree-inline.c (declare_return_variable): Just don't use the
5997 modify target if it's a gimple complex reg and the return slot
6000 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6002 * doc/contrib.texi: Update my entry.
6004 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6006 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6008 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6010 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6013 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6015 * doc/invoke.texi (-floop-optimize2): Removed.
6016 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6017 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6018 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6019 * common.opt (floop-optimize2): Removed.
6020 (fmove-loop-invariants): Enabled by default.
6022 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6024 * tree-if-conv.c (combine_blocks): Free the result of
6025 get_loop_exit_edges.
6027 2006-02-10 Jeff Law <law@redhat.com>
6029 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6031 PR tree-optimization/26213
6032 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6033 loop trying to follow SSA_NAME_VALUE chains.
6035 2006-02-10 Richard Guenther <rguenther@suse.de>
6037 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6038 deal with structures that end in implicitly variable sized arrays.
6040 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6042 PR rtl-optimization/24762
6043 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6046 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6048 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6049 (struct ivopts_data): Add regs_used field.
6050 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6051 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6052 instead of loop_data->regs_used;
6053 (free_loop_data): Do not free aux fields for loops.
6054 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6055 and tree_ssa_iv_optimize_finalize.
6057 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6059 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6061 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6064 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6065 computing the effective result type.
6067 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6070 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6071 (tree_overlaps_hard_reg_set): Declare.
6072 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6073 type and signature to match function type expected by walk_tree.
6074 (tree_overlaps_hard_reg_set): New function.
6075 (decl_conflicts_with_clobbers_p): Rename to:
6076 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6077 Use tree_overlaps_hard_reg_set. Changed caller.
6078 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6079 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6080 * cris.c (cris_md_asm_clobbers): Likewise.
6082 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6084 * reload1.c (emit_input_reload_insns): Delete code that tries to
6085 inherit using find_equiv_reg.
6087 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6089 * c-common.h (flag_const_strings): Don't declare.
6090 * c-common.c (flag_const_strings): Remove.
6091 * c.opt (fconst_strings): Remove.
6092 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6093 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6094 (c_common_init_options): Don't set flag_const_strings.
6095 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6097 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6099 * arm.md (tlobits_cbranch): New pattern.
6100 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6101 testing a single bit.
6103 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6106 * tree-ssa-pre.c (create_component_ref_by_pieces):
6107 Handle RETURN_DECL like VAR_DECL.
6109 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6112 * fold-const.c (fold_indirect_ref_1): Fold
6113 "*(foo *)&complexfoo" to "__real__ complexfoo"
6114 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6116 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6118 * tree-flow-inline.h (var_can_have_subvars):
6119 Volatile variables should not have subvariables.
6121 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6124 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6125 multiplying unsigned values.
6128 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6130 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6132 2006-02-08 Jason Merrill <jason@redhat.com>
6135 * tree.def: Elaborate on difference from MODIFY_EXPR.
6136 * doc/c-tree.texi (INIT_EXPR): Likewise.
6137 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6138 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6139 (gimplify_target_expr): Likewise.
6140 (gimplify_cond_expr): Remove target handling.
6141 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6142 (gimplify_expr): Clobber it here.
6143 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6144 Do return slot optimization if we have an INIT_EXPR.
6147 * tree-inline.c (declare_return_variable): Also clear
6148 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6151 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6154 * gimplify.c (gimplify_one_sizepos): Fix typo.
6156 2006-02-08 Jeff Law <law@redhat.com>
6158 PR tree-optimization/21417
6159 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6160 across a backedge if the control statement at the end of the
6161 block is data dependent on other statements in the same block.
6162 (record_temporary_equivalences_from_stmts): Remove over-conservative
6163 test for threading across backedges.
6165 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6166 control statement, handle all three special cases in the same
6167 manner as they all have the same desired solution. No longer
6168 special case edge flag updating when the post dominator is
6171 2006-02-08 Roger Sayle <roger@eyesopen.com>
6173 * tree.def (CHAR_TYPE): Remove.
6174 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6175 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6176 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6177 (gen_string_type_die): Delete unreachable function.
6179 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6180 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6181 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6182 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6183 * builtins.c (type_to_class): Likewise.
6184 * fold-const.c (fold_convert, build_range_check,
6185 merge_ranges): Likewise.
6186 * expr.c (count_type_elements): Likewise.
6187 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6188 * stor-layout.c (layout_type): Likewise.
6189 * ipa-type-escape.c (type_to_consider): Likewise.
6190 * gimplify.c (omp_firstprivatize_type_sizes,
6191 gimplify_type_sizes): Likewise.
6192 * explow.c (promote_mode): Likewise.
6193 * tree-sra.c (is_sra_scalar_type): Likewise.
6194 * varasm.c (output_constant): Likewise.
6195 * tree-inline.c (remap_type_1): Likewise.
6196 * convert.c (convert_to_pointer, convert_to_real,
6197 convert_to_integer, convert_to_complex): Likewise.
6199 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6201 * df-scan.c (df_def_record_1): A set destination may
6202 be a parallel regardless of mode.
6204 2006-02-08 Roger Sayle <roger@eyesopen.com>
6207 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6208 * config/mips/_tilib.c: Remove.
6209 * config/fixtfdi.c: New libgcc source file.
6210 * config/fixunstfdi.c: New source file.
6211 * config/floatditf.c: New source file.
6212 * config/floatunditf.c: New souce file.
6213 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6214 files above instead of config/mips/_tilib.c.
6215 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6217 2006-02-08 Jeff Law <law@redhat.com>
6219 PR tree-optimization/26169
6220 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6223 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6225 * df.h (DF_REG_SIZE): Return the length of the initialized
6228 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6230 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6231 __muldf3): Return a correctly signed zero.
6233 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6235 * passes.c (register_one_dump_file): Accept the current properties
6236 instead of pass number. Adjust call to dump_register. Remove
6238 (register_dump_files): Now a wrapper around...
6239 (register_dump_files_1): ... this one. Do not modify the pass
6241 (next_pass_1): Cosmetic fix.
6242 (execute_todo): Keep second parameter only. Use curr_properties
6243 instead of fetching it from the pass structure. Check and set
6245 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6246 instead of fetching it from the pass structure. Fix calls to
6247 execute_todo. Update curr_properties and initialize .vcg RTL dump
6248 after running the pass. Reset last_verified.
6249 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6251 (FIRST_AUTO_NUMBERED_DUMP): New.
6252 (dump_register): Remove "num" parameter, assign it within the
6254 (get_dump_file_name): Modify template for dumps.
6255 * tree-dump.h (dump_register): Adjust prototype.
6256 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6257 (PROP_trees): Add PROP_gimple_lomp.
6258 (TODO_set_props): New.
6259 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6260 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6261 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6263 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6265 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6266 (sparc64-*-linux*): Likewise.
6267 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6268 * config/sparc/t-linux: New file.
6269 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6270 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6271 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6272 -m32 -mlong-double-128.
6274 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6275 * config/alpha/t-linux: New file.
6276 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6278 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6279 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6280 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6281 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6282 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6283 (CPP_ARCH32_SPEC): Remove.
6285 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6287 PR tree-optimization/26145
6288 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6291 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6294 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6295 >= 240000 when generating code for SOM runtime.
6296 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6297 to $$dyncall when generating code for SOM runtime..
6299 2006-02-07 Dirk Mueller <dmueller@suse.com>
6302 * doc/invoke.texi (-Wsequence-point): Update documentation
6303 that -Wsequence-point is implemented for C++ as well.
6305 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6307 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6308 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6309 (LIB_SPEC): Likewise.
6310 * doc/invoke.texi (SPARC options): Document -pthread.
6312 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6314 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6317 2006-02-07 Roger Sayle <roger@eyesopen.com>
6319 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6320 Correct comment describing BOOLEAN_TYPE.
6322 2006-02-07 Dirk Mueller <dmueller@suse.com>
6324 * c.opt: C++ frontend supports -Wdiv-by-zero.
6325 * c-opts.c (c_common_handle_option): Remove dead case.
6327 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6329 * configure.ac (TLS assembler check): Do not enable TLS by
6330 default on SPARC/Solaris before version 10.
6331 * configure: Regenerate.
6333 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6335 * doc/invoke.texi (xl-compat): Document conversion and support
6338 2006-02-07 Jeff Law <law@redhat.com>
6340 * tree-vrp.c (find_conditional_asserts): Update comments.
6341 (simplify_stmt_for_jump_threading): New.
6342 (identify_jump_threads, finalize_jump_threads): New.
6343 (vrp_finalize): Call identify_jump_threads.
6344 (execute_vrp): Call finalize_jump_threads.
6345 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6346 (vrp_element, vrp_data, vrp_element_p): Remove.
6347 (vrp_hash_elt, vrp_variables_stack): Remove.
6348 (vrp_hash, vrp_eq, record_range): Remove.
6349 (simplify_cond_and_lookup_avail_expr): Remove.
6350 (extract_range_from_cond): Remove.
6351 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6352 (simplify_stmt_for_jump_threading): New.
6353 (dom_thread_across_edge): New wrapper.
6354 (tree_ssa_dominator_optimize): No longer initialize or
6355 finalize any of the VRP datastructures. Remove iteration
6356 step and simplify as a result of removal of iteration step.
6357 (pass_dominator): Perform a cfg cleanup after DOM.
6358 (dom_opt_finalize_block): Use the new common routines
6359 for threading jumps. Simplify stack management slightly.
6360 No longer need to unwind VRP state.
6361 (record_equivalences_from_incoming_edge): No longer record
6363 (eliminate_redundant_computations): No longer call
6364 simplify_cond_and_lookup_avail_expr.
6365 * tree-flow.h (potentially_threadable_block): Prototype.
6366 (thread_across_edge): Likewise.
6367 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6368 (tree-ssa-threadedge.o): Add dependencies.
6369 * tree-ssa-threadedge.c: New file.
6370 * passes.c (init_optimization_passes): Merge PHIs before
6371 calling VRP. Run VRP again late in the SSA optimization pipeline.
6373 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6375 * df-core.c (df_set_blocks): Do not dereference function pointers.
6376 (df_finish1): Likewise.
6377 (df_hybrid_search_forward): Likewise.
6378 (df_hybrid_search_backward): Likewise.
6379 (df_iterative_dataflow): Likewise.
6380 (df_analyze_problem): Likewise.
6381 (df_compact_blocks): Likewise.
6382 (df_dump): Likewise.
6383 * df-scan.c (df_rescan_blocks): Likewise.
6384 (df_record_entry_block_defs): Likewise.
6386 * genconditions.c (write_conditions): Guard the definition of
6387 'insn_conditions' with the check on GCC version.
6388 (write_writer): Guard the traversal 'insn_conditions' with
6389 the check on GCC version.
6391 2006-02-07 Richard Guenther <rguenther@suse.de>
6395 2006-01-30 Richard Guenther <rguenther@suse.de>
6397 * gimplify.c (gimplify_target_expr): Handle easy cases
6398 without creating a temporary.
6400 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6402 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6403 use of float in probability computations. Use edge probabilities
6404 in place of statically computed probabilities.
6405 (min_spec_prob): New static variable.
6406 (schedule_insns): Initialize it.
6407 (GET_SRC_PROB): Removed.
6408 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6410 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6413 * config/ia64/unwind-ia64.c: Revert last change.
6414 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6415 (INCOMING_FRAME_SP_OFFSET): Define.
6417 2006-02-06 Roger Sayle <roger@eyesopen.com>
6419 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6421 2006-02-07 Ben Elliston <bje@au.ibm.com>
6423 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6424 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6425 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6426 (ix86_return_in_memory): Handle TDmode.
6427 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6428 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6430 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6432 * reorg.c (dbr_schedule): Use dump_file instead of file.
6434 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6437 * config/ia64/predicates.md (extr_len_operand): New predicate.
6438 * config/ia64/ia64.md (extv): Tighten constraints.
6440 (*tbit_and_2): Ditto.
6441 (*tbit_and_3): Ditto.
6442 (*tbit_or_2): Ditto.
6443 (*tbit_or_3): Ditto.
6447 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6450 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6452 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6454 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6455 loop_optimizer_init and loop_optimizer_finalize
6456 * tree-ssa-sink.c (execute_sink_code): Ditto.
6457 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6458 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6459 tree_ssa_loop_done): Ditto.
6460 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6461 * sched-ebb.c: Include output.h.
6462 (schedule_ebbs): Do not use dump argument.
6463 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6464 * loop.c (loop_dump_stream): Removed.
6465 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6467 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6468 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6469 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6470 loop_iterations, strength_reduce, record_biv, record_giv,
6471 final_giv_value, check_final_value, check_ext_dependent_givs,
6472 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6473 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6474 dump_file instead of loop_dump_stream.
6475 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6477 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6479 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6480 * haifa-sched.c: Include output.h
6481 (schedule_insns, sched_init): Do not use dump argument.
6482 * mode-switching.c (optimize_mode_switching): Ditto.
6483 * modulo-sched.c (stats_file): Removed.
6484 (print_node_sched_params): Do not call argument dump_file.
6485 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6486 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6488 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6490 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6491 rtl_loop_init, rtl_loop_done): Ditto.
6492 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6493 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6495 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6496 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6497 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6498 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6499 * emit-rtl.c (renumber_insns): Ditto.
6500 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6501 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6502 * regclass.c (regclass): Ditto.
6503 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6504 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6505 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6506 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6508 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6509 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6511 * gcse.c (gcse_file, debug_stderr): Removed.
6512 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6513 rest_of_handle_gcse): Do not use dump argument.
6514 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6515 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6516 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6517 compute_code_hoist_vbeinout, compute_code_hoist_data,
6518 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6519 compute_store_table, build_store_vectors, insert_insn_start_bb,
6520 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6521 store_motion): Use dump_file instead of gcse_file.
6522 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6523 * profile.c (profile_dump_file): Removed.
6524 (branch_prob): Use dump_file instead of profile_dump_file.
6525 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6527 * tree-ssa-copy.c (dump_copy_of): Ditto.
6528 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6529 dump file to life_analysis.
6530 * bt-load.c (branch_target_load_optimize): Ditto.
6531 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6533 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6534 regclass, dbr_schedule): Declaration changed.
6535 * sched-int.h (sched_init): Declaration changed.
6536 * tree-profile.c (tree_profile_dump_file): Removed.
6537 (tree_profile_hooks): Removed profile_dump_file hook.
6538 * rtl-profile (rtl_profile_dump_file): Removed.
6539 (rtl_profile_hooks): emoved profile_dump_file hook.
6540 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6542 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6543 * tree-cfg.c (build_tree_cfg): Ditto.
6544 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6545 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6546 Declaration changed.
6547 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6548 life_analysis and schedule_insns.
6549 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6551 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6553 * config/mips/mips.c (mips_reorg): Ditto.
6554 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6557 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6559 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6560 (s390_mangle_fundamental_type): New.
6561 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6564 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6565 (alpha_mangle_fundamental_type): New.
6566 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6569 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6571 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6573 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6574 (sparc_mangle_fundamental_type): New.
6576 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6578 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6579 (s390x-*-linux*): Likewise.
6580 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6581 * config/s390/t-linux: New file.
6583 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6585 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6586 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6588 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6590 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6591 (ANTIC_SAFE_LOADS): New macro.
6592 (find_or_generate_expression): Add prototype.
6593 (set_contains_value): Allow null set for sake of not always having
6594 to allocate ANTIC_SAFE_LOADS.
6595 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6596 Allow COMPONENT_REF too.
6597 (valid_in_set): Allow COMPONENT_REF.
6598 Check ANTIC_SAFE_LOADS too.
6599 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6600 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6602 (can_PRE_operation): Add COMPONENT_REF.
6603 (create_component_ref_by_pieces): New function.
6604 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6605 (insert_aux): Move AGGREGATE_TYPE_P check here.
6606 (compute_avail): Set bb local stmt uids.
6607 (pass_pre): Use TODO_update_ssa_only_virtuals.
6609 2006-02-06 Ben Elliston <bje@au.ibm.com>
6611 * configure.ac: Unconditionally disable decimal float by default.
6612 * configure: Regenerate.
6614 2006-02-06 Ben Elliston <bje@au.ibm.com>
6616 * read-rtl.c (read_name): Terminate reading on EOF.
6618 2006-02-06 Ben Elliston <bje@au.ibm.com>
6620 * dfp.c (decimal_real_arithmetic): Change second argument type
6621 from int to enum tree_code. Do not always return true, but now
6622 return result of any call to decimal_do helper functions.
6623 * dfp.h (decimal_real_arithmetic): Update prototype.
6625 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6627 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6629 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6632 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6635 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6637 * tree-vrp.c (cfg_loops): Removed.
6638 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6639 Use current_loops instead of cfg_loops. Pass flags to
6640 loop_optimizer_init.
6641 * cfgloopmanip.c (fix_loop_structure): Update only available
6643 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6644 loop_optimizer_init.
6645 * modulo-sched.c (build_loops_structure): Removed.
6646 (sms_schedule): Use loop_optimizer_init.
6647 * loop-init.c (loop_optimizer_init): Use flags to determine
6648 which properties of loops to prepare.
6649 (rtl_loop_init): Pass flags to loop_optimizer_init.
6650 * tree-ssa-sink.c (execute_sink_code): Ditto.
6651 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6652 * tree-ssa-pre.c (init_pre): Ditto.
6653 * cfgloop.h (LOOPS_NORMAL): New.
6654 (loop_optimizer_init): Declaration changed.
6656 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6658 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6659 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6661 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6663 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6665 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6666 * pa/t-pa64: Delete quadlib.c rule.
6667 * pa/x-ada: Revert last change.
6668 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6670 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6672 PR rtl-optimization/26087
6673 * rtlanal.c (canonicalize_condition): Do not cross basic block
6676 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6679 * config/ia64/ia64.c: Include debug.h.
6680 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6681 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6682 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6683 (process_epilogue, process_set, process_for_unwind_directive):
6684 Output unwind info only if requested. Add CFA info if requested.
6685 Add new arguments as needed. Adjust callers.
6686 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6688 (DWARF2_FRAME_INFO): Define to zero.
6689 * config/ia64/unwind-ia64.c: Remove code that compensated for
6690 the CFA offset error fixed above.
6691 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6692 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6693 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6694 -funwind-tables and -fexceptions to enable frame info.
6695 (dwarf2out_frame_init): Define initial CFA even if
6696 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6697 DWARF2_UNWIND_INFO is nonzero, not just defined.
6698 (dwarf2out_frame_finish): Output non-EH call frame info only
6699 if DWARF2_FRAME_INFO is nonzero.
6700 (convert_cfa_to_loc_list,
6701 compute_frame_pointer_to_cfa_displacement): Define even if
6702 unwind info is not supported.
6703 (gen_subprogram_die): Use the above unconditionally. Remove
6704 legacy alternate code.
6705 * toplev.c (compile_file): Compile in call to
6706 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6707 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6709 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6710 Jakub Jelinek <jakub@redhat.com>
6712 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6713 IBM extended float format long double as "g" on powerpc*-linux.
6715 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6718 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6719 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6721 2006-02-03 Jason Merrill <jason@redhat.com>
6724 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6727 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6728 on the return slot if it's an NRV.
6730 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6732 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6733 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6734 rewrite_use): Do not handle USE_OUTER.
6735 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6736 add_iv_outer_candidates, may_replace_final_value,
6737 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6738 (find_interesting_uses_op): Functionality of
6739 find_interesting_uses_outer_or_nonlin moved here.
6740 (find_interesting_uses_outside): Use find_interesting_uses_op.
6742 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6745 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6747 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6748 Ulrich Weigand <uweigand@de.ibm.com>
6751 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6752 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6753 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6754 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6756 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6757 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6758 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6759 Define secondary reloads for TFmode moves.
6760 (constant_modes): Add TFmode.
6761 (NR_C_MODES): Set to 8.
6762 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6764 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6765 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6766 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6767 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6768 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6769 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6770 (FPR mode macro): Add TFmode.
6771 (DSF mode macro): New.
6772 (<de>, <dee> mode attributes): Removed.
6773 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6774 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6775 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6776 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6777 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6778 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6779 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6780 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6781 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6782 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6783 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6784 "*negabs<mode>2", "sqrt<mode>2"):
6785 Changed <de> to <xde>. R constraint replaced by <Rf>.
6786 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6788 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6789 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6790 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6792 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6793 "extenddftf2", "extendsftf2"): New expanders.
6794 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6795 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6796 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6797 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6799 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6800 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6801 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6802 __floatditf): Add a GCC_4.1.0 symbol version tag.
6803 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6806 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6809 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6810 Use targetm.binds_local_p instead of TREE_PUBLIC.
6812 2006-02-02 Roger Sayle <roger@eyesopen.com>
6814 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6815 on INTEGER_TYPEs to indicate that it denotes a character type.
6816 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6817 signed_char_type_node, unsigned_char_type_node and char_type_node.
6818 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6819 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6820 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6822 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6823 Daniel Berlin <dberlin@dberlin.org>
6825 * tree-tailcall.c (arg_needs_copy_p): New function.
6826 (eliminate_tail_call): Use arg_needs_copy_p.
6827 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6828 (add_virtual_phis): New function.
6830 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6832 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6833 #ignore instead of #scratch for %g7 .register directive.
6835 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6837 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6840 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6842 * flow.c (calculate_global_regs_live): Assert that there aren't any
6845 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6847 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6849 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6850 bsi_after_labels iterator.
6851 * tree-if-conv.c (find_phi_replacement_condition,
6852 replace_phi_with_cond_modify_expr): Likewise.
6853 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6854 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6856 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6858 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6860 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6863 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6864 array after growing it.
6866 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6869 * fold-const.c (fold_checksum_tree): Change type of buf.
6871 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6873 * reload.c (push_secondary_reload): Initialize t_icode.
6875 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6877 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6878 -msoft-float -mlong-double-128 only issue a warning, but don't
6879 swich to DFmode long double.
6881 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6883 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6884 has a constant equivalent, iterate over equivalents for arg0,
6885 calling simplify_relational_operation and if there's a result
6886 cheaper than X, apply fold_rtx and return the result.
6888 2006-02-01 Jan Hubicka <jh@suse.cz>
6890 * opts.c (no_unit_at_a_time_default): New global variable.
6891 (decode_options): Use it.
6892 * opts.h (no_unit_at_a_time_default): Declare.
6894 2006-02-01 Paul Brook <paul@codesourcery.com>
6896 * function.c (assign_parm_setup_reg): Use function argument promotion
6898 * expr.c (expand_expr_real_1): Use function argument promotion rules
6901 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6903 * gcc.c (process_command): Change j to 'unsigned int'.
6905 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6908 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6909 Use the corrected index for the character
6910 out of the string constant.
6912 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6914 * mode-switching.c (optimize_mode_switching): Fix size
6915 allocated for bb_info[n_entities].
6917 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6919 * gcc.c (main): Correct type that is allocated for
6920 explicit_link_files.
6922 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6924 * config/s390/s390.c (init_alignment_context): Set
6925 ALIAS_SET_MEMORY_BARRIER on the MEM.
6926 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6928 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6931 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6933 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6936 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6938 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6939 * regrename.c: Ditto.
6940 * tree-ssa-loop-im.c: Ditto.
6941 * tree-dump.c: Ditto.
6942 * tree-complex.c: Ditto.
6943 * genrecog.c: Ditto.
6944 * tree-ssa-threadupdate.c: Ditto.
6946 * java/class.c: Ditto.
6947 * java/jcf-parse.c: Ditto.
6948 * java/resource.c: Ditto.
6949 * java/except.c: Ditto.
6950 * java/jvspec.c: Ditto.
6951 * java/jcf-write.c: Ditto.
6952 * java/jcf-path.c: Ditto.
6953 * java/gjavah.c: Ditto.
6954 * java/zextract.c: Ditto.
6955 * java/jcf-io.c: Ditto.
6956 * java/jcf.h: Ditto.
6957 * java/buffer.c: Ditto.
6958 * java/lang.c: Ditto.
6959 * java/parse-scan.y: Ditto.
6960 * java/lex.c: Ditto.
6961 * java/lex.h: Ditto.
6962 * cfgloopmanip.c: Ditto.
6963 * postreload-gcse.c: Ditto.
6964 * tree-ssa-loop-manip.c: Ditto.
6965 * postreload.c: Ditto.
6966 * tree-ssa-loop-ch.c: Ditto.
6970 * diagnostic.c: Ditto.
6972 * genoutput.c: Ditto.
6974 * cfghooks.c: Ditto.
6975 * cfgloopanal.c: Ditto.
6976 * objc/objc-act.c: Ditto.
6978 * genextract.c: Ditto.
6979 * genautomata.c: Ditto.
6980 * pretty-print.c: Ditto.
6982 * cgraphunit.c: Ditto.
6985 * haifa-sched.c: Ditto.
6986 * dominance.c: Ditto.
6988 * tree-ssa-loop-ivopts.c: Ditto.
6990 * mode-switching.c: Ditto.
6991 * modulo-sched.c: Ditto.
6993 * ipa-pure-const.c: Ditto.
6995 * fix-header.c: Ditto.
6997 * tree-stdarg.c: Ditto.
6998 * ipa-utils.c: Ditto.
6999 * loop-init.c: Ditto.
7000 * ipa-inline.c: Ditto.
7003 * alloc-pool.c: Ditto.
7004 * dwarf2out.c: Ditto.
7006 * genattrtab.c: Ditto.
7007 * tree-ssa-loop-ivcanon.c: Ditto.
7011 * fortran/gfortranspec.c: Ditto.
7013 * local-alloc.c: Ditto.
7014 * langhooks.c: Ditto.
7015 * function.c: Ditto.
7016 * tree-vectorizer.c: Ditto.
7018 * ipa-type-escape.c: Ditto.
7020 * tree-if-conv.c: Ditto.
7023 * tree-data-ref.c: Ditto.
7024 * loop-unroll.c: Ditto.
7025 * treelang/treetree.c: Ditto.
7028 * ggc-common.c: Ditto.
7030 * coverage.c: Ditto.
7032 * tree-cfgcleanup.c: Ditto.
7033 * tree-ssa-pre.c: Ditto.
7034 * cfgcleanup.c: Ditto.
7035 * loop-invariant.c: Ditto.
7037 * ipa-prop.c: Ditto.
7038 * print-tree.c: Ditto.
7039 * conflict.c: Ditto.
7040 * ggc-page.c: Ditto.
7041 * sched-deps.c: Ditto.
7042 * regclass.c: Ditto.
7043 * tree-object-size.c: Ditto.
7045 * bb-reorder.c: Ditto.
7046 * resource.c: Ditto.
7047 * var-tracking.c: Ditto.
7049 * df-problems.c: Ditto.
7050 * reg-stack.c: Ditto.
7053 * sched-rgn.c: Ditto.
7054 * tree-ssa-structalias.c: Ditto.
7055 * tree-ssa-reassoc.c: Ditto.
7056 * config/darwin-c.c: Ditto.
7057 * config/darwin.c: Ditto.
7058 * config/arm/arm.c: Ditto.
7060 * collect2.c: Ditto.
7063 2006-01-31 Nicolas Pitre <nico@cam.org>
7065 * arm.md (smaxsi3): Make aware of smax_m1.
7068 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7070 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7072 2006-01-31 Richard Guenther <rguenther@suse.de>
7074 * doc/invoke.texi (-msselibm): Document.
7075 * target.h (expand_library_builtin): New target hook.
7076 * builtins.c (expand_builtin): Use expand_library_builtin.
7077 (default_expand_library_builtin): New function.
7078 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7079 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7080 (link_gcc_math_spec): Declare.
7081 (static_specs): Add link_gcc_math_spec.
7082 * expr.h (default_expand_library_builtin): Declare.
7083 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7084 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7085 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7086 * config/i386/i386.opt (msselibm): New target option.
7087 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7088 (ix86_init_sse_abi_builtins): New function.
7089 (ix86_expand_library_builtin): Likewise.
7090 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7091 (override_options): Handle error conditions wrt -msselibm.
7092 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7093 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7094 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7097 2006-01-31 Richard Guenther <rguenther@suse.de>
7098 Paolo Bonzini <bonzini@gnu.org>
7100 * doc/install.texi (--disable-libgcc-math): Document.
7102 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7104 * expr.h (expand_normal): new inline function.
7105 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7107 * dwarf2out.c: use it.
7112 * config/sparc/sparc.c: use it.
7113 * config/i386/i386.c: use it.
7114 * config/rs6000/rs6000.c: use it.
7115 * config/arm/arm.c: use it.
7116 * config/mips/mips.c: use it.
7117 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7119 2006-01-30 Roger Sayle <roger@eyesopen.com>
7121 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7122 argv to the appropriate type.
7124 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7126 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7129 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7132 * config/s390/s390.c (struct machine_function): New flag
7133 decomposed_literal_pool_addresses_ok_p.
7134 (s390_reorg): Set it before final stage of literal pool transforms.
7135 (s390_decompose_address): Only accept displacements of the form
7136 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7138 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7140 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7141 the comparison routine return.
7143 2006-01-30 Michael Matz <matz@suse.de>
7145 * global.c (find_reg): Only evict for global regs.
7146 Take n_refs into account and dump more info.
7148 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7151 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7152 (pragma_trap, pragma_nosave_low_regs): Likewise.
7153 (current_function_anonymous_args): Likewise.
7154 (sh_deferred_function_attributes): New variable.
7155 (sh_deferred_function_attributes_tail): Likewise.
7156 (print_operand): For '@', look up trap_exit attribute.
7157 (calc_live_regs): Look up trapa_handler attribute. For trapa
7158 handlers, save/restore fpscr, but don't do any other
7159 interrupt-specific saves.
7160 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7161 Fix check for partially saved registers to check for SHmedia.
7162 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7163 (sh_output_function_epilogue): Don't clear any of the removed
7165 (sh_insert_attributes): Don't check pragma_interrupt.
7166 Insert deferred attributes. Check that interrupt attribute is
7167 present for other attributes that require its presence.
7168 (sh_attribute_table): Add new attributes trapa_handler and
7170 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7171 Don't check for pragma_interrupt. Don't store argument.
7172 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7173 (sh_deferred_function_attributes): Declare.
7174 (sh_deferred_function_attributes_tail): Likewise.
7175 * sh.md (sp_switch_1): Add operand. Change generator caller.
7176 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7177 (*return_i): Don't use when trap_exit attribute is in effect.
7178 (*return_trapa): New insn pattern.
7180 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7181 setting c_target_objs and cxx_target_objs.
7182 * t-sh: Add rule for sh-c.o.
7184 2006-01-30 Richard Guenther <rguenther@suse.de>
7187 * gimplify.c (gimplify_target_expr): Handle easy cases
7188 without creating a temporary.
7190 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7192 * vec.h (safe_grow): Remove duplicated line.
7194 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7197 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7198 (expand_omp): ... here.
7199 (expand_omp_parallel): Only remove barriers for combined
7200 parallel+workshare constructs.
7202 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7206 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7207 * tree.c (build_qualified_type): Chain the new type to the original
7208 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7209 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7210 (build_pointer_type_for_mode): Only return unqualified types.
7211 (build_reference_type_for_mode): Likewise.
7213 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7215 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7216 * Makefile.in (CXX_COMPAT_WARN): Define.
7217 * configure: Regenerate.
7219 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7222 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7225 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7227 * toplev.c: Fix thinko.
7229 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7230 Marcin Dalecki <martin@dalecki.de>
7232 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7233 (push_srcloc): Use XNEW.
7234 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7236 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7238 * df-core.c (df_set_blocks): Deleted all variable.
7240 2006-01-28 Ian Lance Taylor <ian@airs.com>
7242 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7243 cgraph_output_pending_asms.
7245 2006-01-28 Zack Weinberg <zackw@panix.com>
7247 * c.opt: Add -W(no-)overlength-strings.
7248 * doc/invoke.texi: Document it.
7249 * c-opts.c (c_common_handle_option): -pedantic implies
7250 -Woverlength-strings, if not explicitly disabled already.
7251 (c_common_post_options): -Woverlength-strings defaults to off, and
7252 is always off for C++.
7253 * c-common.c (fix_string_type): Issue warning about strings longer
7254 than is portable only if warn_overlength_strings. Rearrange code
7255 a little for clarity.
7256 * configure.in: Check for -Wno-overlength-strings as well before
7257 enabling -pedantic in stage 1.
7258 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7259 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7261 * genconditions.c (write_header, write_one_condition)
7262 (write_conditions, write_writer): Consolidate very long strings
7263 that were broken up to fit in C89 portable limit. Don't use
7264 printf when fputs will do.
7266 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7268 * combine.c (simplify_comparison <AND>): Check
7269 TRULY_NOOP_TRUNCATION before start using a subreg.
7271 * config/mips/mips.md (*branch_zero<mode>,
7272 *branch_zero<mode>_inverted, *branch_equality<mode>,
7273 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7274 Remove mode check from comparisons.
7276 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7278 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7280 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7282 * expmed.c (const_mult_add_overflow_p): Remove.
7283 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7285 * recog.c (validate_replace_rtx_subexp): Remove.
7286 * recog.h: Remove the prototype for
7287 validate_replace_rtx_subexp.
7289 * integrate.h: Remove the prototype for
7290 copy_decl_for_inlining.
7291 * rtl.h: Remove the prototype for mark_constant_function.
7292 * tree-vectorizer.h: Remove the prototype for
7293 vect_strip_conversion.
7295 * modulo-sched.c (create_partial_schedule,
7296 free_partial_schedule, reset_partial_schedule): Make them
7299 * hooks.c (hook_bool_rtx_int_false): Remove.
7300 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7302 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7304 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7305 and -mlong-double-128 are incompatible.
7306 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7307 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7308 (TARGET_LIBGCC2_CFLAGS): Define.
7309 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7310 (TARGET_LIBGCC2_CFLAGS): Same.
7311 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7313 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7316 * c-typeck.c (build_binary_op): Perform implicit casts of
7317 operands before shortening them.
7319 * cfgloopmanip.c (split_loop_bb): Remove.
7320 * cfgloop.h: Remove the prototype for split_loop_bb.
7322 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7323 * cfgloop.h: Remove the prototype for
7324 flow_loop_outside_edge_p.
7326 * emit-rtl.c (init_virtual_regs): Make it static.
7327 * function.h: Remove the prototype for init_virtual_regs.
7329 * recog.c (peephole2_optimize): Make it static.
7330 * recog.h: Remove the prototype for peephole2_optimize.
7332 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7334 * df-scan.c (df_record_entry_block_defs): Check if
7335 INCOMING_RETURN_ADDR_RTX is defined.
7337 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7338 Kenneth Zadeck <zadeck@naturalbridge.com>
7340 PR rtl-optimization/24762
7341 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7342 * targhooks.c (hook_void_bitmap): New hook prototype.
7343 * targhoohs.h (hook_void_bitmap): Ditto.
7344 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7345 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7346 * target.h (live_on_entry): New function pointer.
7347 * df-scan.c (df_all_hard_regs): Removed.
7348 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7349 (df_scan_free_internal): Added df->entry_block_defs.
7350 (df_scan_alloc): Ditto.
7351 (df_scan_dump): Ditto.
7352 (df_uses_record): Plumbed flag field properly thru calls.
7353 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7354 This part fixes PR24762.
7355 (df_bb_refs_record): Added code to make the frame and arg
7356 pointers live in EH blocks.
7357 (df_refs_record): Added call to df_record_entry_block_defs.
7358 (df_record_entry_block_defs): New function.
7359 * df-core.c: Added comments to describe new artifical defs.
7360 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7361 (entry_block_defs): New field in struct df.
7362 (df_all_hard_regs): Deleted.
7363 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7364 * df-problems.c (df_ru_bb_local_compute_process_def):
7365 Added code to handle artifical defs in the entry to a function.
7366 (df_ru_bb_local_compute): Ditto.
7367 (df_rd_bb_local_compute_process_def): Ditto.
7368 (df_rd_bb_local_compute): Ditto.
7369 (df_lr_bb_local_compute): Ditto.
7370 (df_ur_bb_local_compute): Ditto.
7371 (df_urec_bb_local_compute): Ditto.
7372 (df_chain_create_bb): Ditto.
7373 (df_ur_local_finalize): Removed entry.
7374 (df_urec_init): Ditto.
7375 (df_urec_local_finalize): Ditto.
7376 (df_ri_bb_compute): Added detection of last use of pseudos.
7377 * Makefile.in (df-scan.o): Updated dependencies.
7378 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7379 * config/mips/mips.c (mips_set_live_on_entry): Added.
7380 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7382 * dce.c (marked_insn_p): Added code to handle artifical defs.
7384 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7386 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7388 (_mm_cvtsi128_si64): Likewise.
7389 (_mm_cvtsd_si64): Likewise.
7390 (_mm_cvttsd_si64): Likewise.
7391 (_mm_cvtsi64_sd): Likewise.
7392 (_mm_cvtsi64_si128): Likewise.
7393 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7394 (_mm_cvtsi64_m64): Likewise.
7395 (_m_to_int64): Likewise.
7396 (_mm_cvtm64_si64): Likewise.
7397 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7398 (_mm_cvttss_si64): Likewise.
7399 (_mm_cvtsi64_ss): Likewise.
7400 (_mm_cvtss_f32): Likewise.
7402 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7404 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7405 for pragma redefine_extname.
7407 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7410 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7411 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7412 -mno-minimal-toc to previous content.
7413 (bispecs): Remove goal.
7414 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7415 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7416 compatibility aliases on powerpc-*-*gnu*.
7417 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7418 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7419 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7420 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7421 (ldblspecs): New goal.
7422 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7423 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7425 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7426 L_sf_to_tf or L_df_to_tf is defined.
7428 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7429 Alan Modra <amodra@bigpond.net.au>
7432 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7433 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7434 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7435 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7436 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7437 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7438 (rs6000_override_options): Initialize rs6000_ieeequad.
7439 Initialize TFmode format to ibm_extended_format if not
7441 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7443 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7444 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7445 (function_arg_advance): IBM long double passed in two FPRs, not
7447 (function_arg): IBM long double passed in FPRs.
7448 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7449 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7450 Only multireg GPR aligned.
7451 (rs6000_init_libfuncs): Enable IBM long double functions if not
7453 (rs6000_generate_compare): Use IBM long double compare if not
7455 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7456 (TARGET_IEEEQUAD): Define.
7457 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7458 not TARGET_IEEEQUAD.
7459 * config/rs6000/rs6000.md: Enable TFmode patterns if
7461 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7462 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7463 and -mlong-double-128 are incompatible.
7464 * doc/invoke.texi (-mabi): Collect options together. Add
7465 ibmlongdouble and ieeelongdouble.
7467 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7469 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7471 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7472 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7473 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7474 * rtl.h (rtunion_def): Remove rt_ptr.
7476 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7477 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7478 * config/i386/winnt.c (i386_pe_mark_dllexport)
7479 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7481 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7483 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7485 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7489 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7490 pthread_key_delete. From John David Anglin. gthrw-ify
7491 pthread_getunique_np only if it it's not a macro. Delete
7493 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7494 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7495 __gthread_objc_condition_signal, __gthread_key_delete): Add
7496 "__attribute__ ((__unused__))" to unused arguments.
7497 (__gthread_recursive_mutex_init_function): Add missing return.
7498 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7499 gthr-posix95.h: Use macro-based approach for name redirection
7500 on targets missing weakref.
7502 2006-01-26 Zack Weinberg <zackw@panix.com>
7504 * genconditions.c (write_header): In generated code, #ifdef out
7505 all includes and fake declarations, except includes of bconfig.h
7506 and system.h, unless GCC_VERSION >= 3001. Do not include
7507 gensupport.h in any case.
7508 (write_conditions): Generate a definition of struct c_test. Add
7509 a comment to the generated #endif.
7510 (write_one_condition): Escape backslashes in string too.
7511 (write_writer): Generated code must escape backslashes and quote
7512 marks (but not newlines) in the strings it writes.
7513 * Makefile.in (build/gencondmd.o): Update dependencies.
7515 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7518 * Makefile.in (insn-automata.o): Add header file dependencies.
7519 * genautomata.c: Add includes.
7521 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7524 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7526 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7528 * configure.ac: Expect target tools paths to be passed from the toplevel
7529 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7531 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7533 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7536 * c.opt (Wpointer-sign): Init to -1.
7537 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7538 OPT_pedantic, to 0 otherwise.
7539 * doc/invoke.texi: Update.
7541 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7543 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7544 constants provided by 80387 instructions in the destination mode.
7546 2006-01-26 Richard Guenther <rguenther@suse.de>
7547 Andrew Pinski <pinskia@physics.uc.edu>
7550 partial PR tree-opt/17064
7551 * tree-ssa-structalias.c (intra_create_variable_infos):
7552 Create heap variables for incoming parameters if
7553 flag_argument_noalias > 1.
7554 (find_what_p_points_to): Look through default defs of
7557 2006-01-26 Jeff Law <law@redhat.com>
7560 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7561 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7562 within the VR_RANGE, use the VR_RANGE as the result, not the
7564 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7565 bounds for the type.
7567 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7569 * tree-ssa-alias.c (maybe_create_global_var): Change
7570 subvar walking to an assertion that we don't have subvar'd variables.
7572 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7575 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7576 Use a new variable, inner. PARM_DECLs are always non-weak.
7578 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7580 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7583 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7585 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7587 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7589 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7590 (smax_insn, smin_insn, smax_0, smin_0): New.
7592 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7595 * config/cris/cris.c (cris_order_for_addsi3): New function.
7596 * config/cris/cris-protos.h: Prototype it.
7597 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7598 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7599 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7600 (split for "op.S1 [rx=rx+i],ry (swapped)")
7601 (split for "op(s|u).S1 [rx=rx+i],ry")
7602 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7603 Apply cris_order_for_addsi3 when generating addsi3 insns.
7605 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7607 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7608 (TREE_BLOCK): Add call to EXPR_CHECK.
7610 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7613 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7614 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7615 (dump_omp_clauses): ... here.
7616 (dump_generic_node): Handle OMP_CLAUSE.
7617 * tree.c (omp_clause_num_ops): New.
7618 (omp_clause_code_name): New.
7619 (tree_code_size): Handle OMP_CLAUSE.
7620 (tree_size): Likewise.
7621 (make_node): Document handling of OMP_CLAUSE.
7622 (tree_node_structure): Handle OMP_CLAUSE.
7623 (omp_clause_check_failed): New.
7624 (omp_clause_range_check_failed): New.
7625 (omp_clause_operand_check_failed): New.
7626 (build_omp_clause): New.
7627 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7628 * tree.h (enum omp_clause_code): Declare.
7629 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7630 (OMP_CLAUSE_RANGE_CHECK): Define.
7631 (OMP_CLAUSE_ELT_CHECK): Define.
7632 (omp_clause_check_failed): Declare.
7633 (omp_clause_operand_check_failed): Declare.
7634 (omp_clause_range_check_failed): Declare.
7635 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7636 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7637 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7638 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7639 (OMP_CLAUSE_IF_EXPR): Likewise.
7640 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7641 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7642 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7643 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7644 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7645 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7646 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7647 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7648 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7649 (OMP_CLAUSE_CODE): Define.
7650 (OMP_CLAUSE_SET_CODE): Define.
7651 (OMP_CLAUSE_CODE): Define.
7652 (OMP_CLAUSE_OPERAND): Define.
7653 (struct tree_omp_clause): Declare.
7654 (union tree_node): Add field 'omp_clause'.
7655 * treestruct.def (TS_OMP_CLAUSE): Define.
7656 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7657 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7658 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7659 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7660 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7661 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7662 (OMP_CLAUSE): Define.
7663 * print-tree.c (print_node): Handle OMP_CLAUSE.
7664 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7665 * c-typeck.c: Likewise.
7666 * gimplify.c: Likewise.
7667 * c-omp.c: Likewise.
7668 * tree-nested.c: Likewise.
7669 * tree-inline.c: Likewise.
7670 * c-parser.c: Likewise.
7671 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7674 2006-01-25 Roger Sayle <roger@eyesopen.com>
7676 PR rtl-optimization/25703
7677 * combine.c (try_combine): Handle zero_extract and strict_low_part
7678 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7680 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7682 * global.c: Fix comment typos.
7684 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7687 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7688 Use output_addr_const instead of assemble_name.
7690 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7692 * Makefile.in (sched-vis.o): Update dependencies.
7693 * haifa-sched.c (sched_finish): Clear current_sched_info.
7694 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7695 (dump_flow_info): Call it.
7696 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7698 * basic-block.h (dump_bb_info): Declare.
7699 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7700 option, and apply options only for dump files whose TDF_RTL,
7701 TDF_TREE, or TDF_IPA bits match.
7702 * rtl.h: Declare new functions exported from sched-vis.c.
7703 * sched-vis.c: Enable also if scheduling is not used.
7704 (print_value): Print the mode of registers if not inside scheduling.
7705 (print_insn): Make it work outside the scheduler. Beautify the output
7707 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7709 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7711 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7712 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7713 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7714 depending on the value of CONSTANT_POOL_ADDRESS_P.
7715 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7717 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7718 rather than SYMBOL_REF_DECL.
7719 (rtx_constant_pool): Remove const_rtx_sym_htab.
7720 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7721 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7722 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7723 Remove handling of const_rtx_sym_htab.
7724 (find_pool_constant): Delete.
7725 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7726 rather than find_pool_constant.
7727 (get_pool_constant_for_function): Delete.
7728 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7730 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7731 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7732 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7733 (SYMBOL_REF_CONSTANT): New macro.
7734 (get_pool_constant_for_function): Delete.
7735 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7736 rather than SYMBOL_REF_DECL.
7737 (i386_pe_mark_dllimport): Likewise.
7738 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7739 rather than SYMBOL_REF_DECL.
7740 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7741 (machopic_indirect_call_target): Likewise.
7743 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7745 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7747 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7749 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7751 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7753 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7755 2006-01-24 David Daney <ddaney@avtrex.com>
7758 * configure.ac (enable_tls): New enable option.
7759 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7760 * configure: Regenerate.
7761 * doc/install.texi (--enable-tls): Document new option.
7762 (--disable-tls): Ditto.
7764 2006-01-24 Richard Henderson <rth@redehat.com>
7766 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7767 * alias.c (true_dependence): Respect it.
7768 (canon_true_dependence, write_dependence_p): Likewise.
7769 * builtins.c (get_builtin_sync_mem): Set it.
7771 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7773 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7776 2006-01-24 DJ Delorie <dj@redhat.com>
7778 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7779 for storing constants in single-bit bitfields.
7781 2006-01-25 Ben Elliston <bje@au.ibm.com>
7783 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7785 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7788 * tree-ssa-pre.c (phi_translate): Return NULL
7789 for AGGREGATE_TYPE's.
7791 2006-01-24 Zack Weinberg <zackw@panix.com>
7793 * genautomata.c (process_state_for_insn_equiv_partition):
7794 Use xcalloc for insn_arcs_array.
7795 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7796 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7798 2006-01-24 Richard Henderson <rth@redhat.com>
7800 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7803 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7805 PR rtl-optimization/25890
7806 PR rtl-optimization/25905
7807 * combine.c (expand_compound_operation, expand_field_assignment):
7808 Fail if the bitfield's final position is out of bounds.
7810 2006-01-24 Ian Lance Taylor <ian@airs.com>
7813 * cgraphunit.c (cgraph_output_in_order): Don't clear
7814 cgraph_asm_nodes until after asm strings have been output.
7816 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7818 * fix-header.c (read_scan_file): Add new parameter imultilib when
7819 calling register_include_chains.
7821 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7823 * omp-low.c: Update documentation.
7825 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7826 Daniel Berlin <dberlin@dberlin.org>
7830 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7831 return from the function.
7833 2006-01-22 Zack Weinberg <zackw@panix.com>
7835 * rtl.def (match_code): Add second argument.
7836 * genpreds.c (write_extract_subexp): New function.
7837 (write_match_code): Add path argument. Use write_extract_subexp.
7838 (write_predicate_expr): Pass path to write_match_code.
7839 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7840 not perform a mode test.
7841 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7842 a subexpression does not constrain the top-level code set.
7843 * read-rtl.c (read_rtx_variadic): New function.
7844 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7845 * doc/md.texi: Document new notation.
7846 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7847 (cmpsi_operand): ... here, using new notation.
7849 2006-01-22 Zack Weinberg <zackw@panix.com>
7851 * varray.c: Remove GENERATOR_FILE #ifdefs.
7853 2006-01-22 Zack Weinberg <zackw@panix.com>
7855 * genautomata.c (output_reserved_units_table): Emit nothing if
7856 description->query_units_num is zero. Remove extra blank line.
7857 (output_cpu_unit_reservation_p): Short circuit
7858 if description->query_units_num is zero.
7860 2006-01-22 Zack Weinberg <zackw@panix.com>
7862 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7863 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7864 nor any of the random handful of variables that used to be necessary
7865 when this program was linked with rtlanal.o. Prune set of forward
7866 function declarations.
7867 (struct attr_desc): Remove static_p field.
7868 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7869 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7870 (attr_string): Do not read the character one past the length of
7872 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7873 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7874 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7875 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7876 (make_automaton_attrs): New.
7877 (main): Do not call into genautomata. Call local gen_bypass
7878 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7879 Remove special case for insn_alts.
7880 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7881 varray.h (leftover from previous change). Prune set of forward
7882 function declarations. Remove state_alts fields from all
7883 structures. Remove state_alts_table from struct automaton.
7884 Make everything except main static. Do not maintain num_dfa_decls.
7885 Do not maintain state_alts fields of various structures.
7886 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7887 (add_arc): Remove state_alts argument. All callers updated.
7888 (output_reserved_units_table): Emit #ifdef here...
7889 (output_tables): ...not here. Don't generate state_alts tables.
7890 (expand_automata): Don't generate attributes.
7891 (write_automata): Don't generate state_alts functions.
7892 (main): New function.
7893 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7894 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7895 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7896 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7897 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7898 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7899 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7900 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7902 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7903 * genattrtab.h: Delete file.
7904 * Makefile.in (OBJS-common): Add insn-automata.o.
7905 (insn-automata.o): New rule.
7906 (simple_generated_c): Add insn-automata.c.
7907 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7908 (genprogmd): Add automata.
7909 (build/genattrtab): Needs no extra objects nor libraries.
7910 (build/genautomata): Needs build/vec.o and -lm.
7912 2006-01-22 Zack Weinberg <zackw@panix.com>
7914 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7915 (output_dfa_max_issue_rate, locked_states_num): Delete.
7916 (struct automaton): Add locked_states field.
7917 (output_dead_lock_vect): Save number of locked states in
7918 automaton->locked_states. If it is zero, don't print anything.
7919 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7920 (output_internal_dead_lock_func): Only test the dead_lock_vect
7921 for automata that have locked states.
7922 (output_statistics): Always print the number of locked states for
7923 each automaton. Calculate total number of locked states here.
7924 (write_automata): Don't call output_dfa_max_issue_rate.
7925 * genattrtab.c: Define length_unit_log as a const variable.
7926 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7927 max_insn_queue_index const.
7928 * final.c (length_unit_log): Declare const.
7929 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7931 2006-01-22 Zack Weinberg <zackw@panix.com>
7933 * genautomata.c: Include vec.h, not varray.h.
7934 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7935 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7936 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7937 VEC_* macros operating on appropriately typed vectors, or to
7938 malloced arrays when the size is known in advance. Const-ify
7939 many char* variables and function arguments. No functional changes.
7940 * Makefile.in (build/varray.o): Delete rule.
7941 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7942 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7944 2006-01-22 Zack Weinberg <zackw@panix.com>
7946 * gensupport.c: Define get_insn_name and record_insn_name here.
7947 (read_md_rtx): Call record_insn_name as appropriate.
7948 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7949 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7950 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7952 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7953 (BUILD_VARRAY): Delete.
7954 (genprognormal): Rename genprogmd. Fold in all programs from
7955 genprognoprint; also attrtab.
7956 (build/genattrtab): Just mention genautomata.o and varray.o.
7957 Reorganize a bit, add comments to make the categories clearer.
7959 2006-01-22 Zack Weinberg <zackw@panix.com>
7961 * genconditions.c (condition_table, add_condition): Delete.
7962 (write_conditions): Don't emit n_insn_conditions nor
7963 insn_elision_unavailable. Issue the gcc version #ifdef here,
7964 inside the table, with no #else clause ...
7965 (write_header): ...not here.
7966 (write_writer): New function.
7967 (main): Don't initialize condition_table. Use add_c_test.
7969 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7970 files on the command line.
7971 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7972 Return -1 if there is no entry in the table, don't abort.
7973 (add_c_test, traverse_c_tests): New functions.
7974 * gensupport.h (insn_elision_unavailable, insn_conditions)
7975 (n_insn_conditions): Delete declarations.
7976 (add_c_test, traverse_c_tests): Declare.
7977 * read-rtl.c: Include gensupport.h.
7978 (read_conditions): New function.
7979 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7980 (read_rtx_1): If we get EOF when we were looking for an initial
7981 open paren, return 0. Call read_conditions when appropriate.
7982 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7983 dummy-conditions.o. Eliminate references to insn-conditions.o,
7984 or change them to build/gencondmd.o, as appropriate. Remove
7985 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7986 from $(simple_generated_c). For all files remaining in those
7987 two lists, add insn-conditions.md to the generator command line.
7988 Give insn-constants.h/s-constants their own rules. Add rules
7989 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7990 (build/read-rtl.o): Depend on gensupport.h.
7991 (genprognormal): Include preds.
7992 (genprogearly): Rename genprognoprint; only difference is now that
7993 they don't link with $(BUILD_PRINT).
7994 * dummy-conditions.c: Delete.
7996 2006-01-22 Zack Weinberg <zackw@panix.com>
7998 * genextract.c: Don't include insn-config.h. Do include vec.h.
7999 Declare vectors of int, char, and locstr.
8000 (locstr): New typedef.
8001 (struct extraction): Make all array fields into bare pointers.
8002 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8003 (insn_code_number): Delete.
8004 (accum_extract): New struct.
8005 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8006 (gen_insn): Take insn_code_number as an argument. Use an
8007 accum_extract structure instead of loading data directly into
8008 a struct extraction, and having to know how big it might get.
8009 (walk_rtx): Operate entirely on an accum_extract structure.
8010 (print_path): Avoid unnecessary use of printf.
8011 (print_header): New function, split out of main. Distinguish
8012 more carefully between an unrecognizable insn and an insn that
8013 has the code number of a define_expand.
8014 (main): Pass insn_code_number to gen_insn. Call print_header
8015 only after parsing. Avoid unnecessary use of printf.
8016 * Makefile.in (build/vec.o): New rule.
8017 (build/genextract): Depend on build/vec.o.
8018 (build/genextract.o): Don't depend on insn-config.h.
8020 2006-01-22 Zack Weinberg <zackw@panix.com>
8022 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8023 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8024 practical. Eliminate per-generator-program link rules.
8026 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8029 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8030 with a call expr to ...
8031 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8033 2006-01-23 Richard Guenther <rguenther@suse.de>
8035 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8036 before make_edge with conditional EDGE_TRUE_VALUE.
8038 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8039 Jan Hubicka <jh@suse.cz>
8040 Richard Guenther <rguenther@suse.de>
8042 PR rtl-optimization/25654
8043 * cfgexpand.c (aggregate_contains_union_type): New function.
8044 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8045 for structure variables that contain a union type.
8047 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8049 * gengtype.c (new_structure): Return the structure.
8050 (create_option): Add an extra "next" argument.
8051 (create_field): New function.
8052 (adjust_field_rtx_def): Use create_option and create_field.
8053 Remove a now-unnecessary call to find_structure.
8054 (adjust_field_tree_def): Likewise.
8055 (note_yacc_type): Remove an unnecessary call to find_structure.
8056 * gengtype.h (new_structure): Return the structure.
8057 (create_option): Add an extra argument.
8058 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8059 (option): Adjust calls to create_option.
8061 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8063 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8065 2006-01-22 Paul Brook <paul@codesourcery.com>
8066 Peter Barada <peter@the-baradas.com>
8068 * config/m68k/m68k.md: Add Coldfire FPU support.
8069 Define FP mode macro and associated attributes.
8070 Use it for float mode patterns.
8071 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8072 (LIBCALL_VALUE): Use m68k_libcall_value.
8073 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8074 (m68k_function_value): Ditto.
8075 (emit_move_sequence): Ditto.
8076 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8077 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8078 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8079 (MULTILIB_EXCEPTIONS): Ditto.
8080 * config/m68k/m68k.opt: Add mcfv4e.
8081 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8082 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8083 (m68k_output_function_prologue): Save ColdFire FPU registers.
8084 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8085 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8086 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8087 ColdFire FPU registers.
8088 (m68k_libcall_value, m68k_function_value): New functions.
8089 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8090 (LIBCALL_VALUE): Use m68k_libcall_value.
8091 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8092 (MASK_COLDFIRE): Add MASK_CFV4E.
8093 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8094 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8095 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8096 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8097 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8098 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8099 * doc/invoke.tex: Document -mcfv4e on m68k.
8101 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8103 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8106 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8109 * c-opts.c (c_common_handle_option): Don't include
8110 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8111 * doc/invoke.texi (C++ Dialect Options): Document that
8112 -Wnon-virtual-dtor is no longer included in -Wall.
8114 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8116 * gcov.c (print_version), gcov-dump.c (print_version),
8117 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8120 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8122 * df-scan.c (problem_SCAN): Added NULL reset function.
8123 (df_scan_reset_blocks): Added code to call reset block function
8124 (df_bb_refs_delete) Fixed comment.
8125 (df_insn_refs_delete): Made tolerant of deleting non existent info
8126 for dataflow problems that need to be reset.
8127 * df-core.c (df_set_blocks): Ditto.
8128 * df.h (struct df_problem): Added reset_fun.
8129 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8130 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8131 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8132 functions to clear out all references to def-use or use-def chains.
8134 2006-01-21 Ben Elliston <bje@au.ibm.com>
8136 * varasm.c (assemble_real): Initialise data array.
8138 2006-01-20 Paul Brook <paul@codesourcery.com>
8140 Merge from csl-arm-branch.
8141 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8142 * config/arm/arm.md (movdi): Force operands[1] to a register
8143 if we have a non-register source.
8144 (*arm_movdi, *movdf_soft_insn): Require that one of the
8145 operands be a register.
8146 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8147 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8149 2006-01-20 DJ Delorie <dj@redhat.com>
8151 * varasm.c (initialize_constant_valid_p): Allow pointers
8152 initialized from integer constants of lesser precision.
8153 (output_constant): Allow non-int-sized pointer modes to be
8154 initialized from integer constants.
8156 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8159 * cppdefault.h (struct default_include): Add multilib flag.
8160 * cppdefault.c (cpp_include_defaults): Set it.
8161 * c.opt (-imultilib): New option.
8162 * c-opts.c (imultilib): New.
8163 (c_common_handle_option): Handle -imultilib.
8164 (c_common_post_options): Likewise.
8165 * c-incpath.c (add_standard_paths, register_include_chains):
8167 * c-incpath.h (register_include_chains): Add extra parameter.
8168 * gcc.c (do_spec_1): Generate -imultilib option.
8169 (The Specs Language): Update %I description.
8170 (process_command): Update copyright notice.
8171 * doc/cppopts.texi (-imultilib): Document.
8172 * doc/invoke.texi (-imultilib): Include in option summary.
8173 (%I): Update specs documentation.
8175 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8177 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8179 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8181 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8184 2006-01-20 Richard Guenther <rguenther@suse.de>
8185 Steven Bosscher <stevenb.gcc@gmail.com>
8187 PR rtl-optimization/24626
8188 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8189 EDGE_TRUE_VALUE if in RTL mode.
8192 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8193 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8195 2006-01-20 Dirk Mueller <dmueller@suse.com>
8198 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8199 instead of a special NOP marker.
8200 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8201 NOP marker handling.
8202 * c-common.h (empty_body_warning): Add forward declaration.
8203 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8204 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8206 2006-01-20 Paul Brook <paul@codesourcery.com>
8208 * Makefile.in (lang_checks): Keep going if mkdir fails.
8210 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8212 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8213 be able to clean out basic block when not necessary.
8214 (df_scan_free): Fixed to properly delete information if df is
8215 unused before calling df_finish.
8216 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8217 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8219 (df_bb_refs_delete): New function.
8220 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8221 * df-core.c (df_set_blocks): Added code to properly clean out
8222 unused blocks if they are not part of the blocks to consider.
8223 Added additional null check.
8224 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8225 be able to clean out basic block when not necessary
8226 * df.h (df_free_bb_function): Ditto.
8227 (df_bb_refs_delete): New function.
8228 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8229 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8230 basic block parameter to be able to clean out basic block when not
8232 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8233 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8234 Fixed to properly delete information if df is unused before
8237 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8239 PR rtl-optimization/25799
8240 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8241 Corrected confluence operator to remove bits from op2 before oring
8242 with op1 rather than removing bits from op1.
8243 (df_ru_transfer_function): Corrected test on wrong bitmap which
8244 caused infinite loop. Both of these problems were introduced in
8245 the dataflow rewrite.
8247 2006-01-19 DJ Delorie <dj@redhat.com>
8249 * reload1.c (find_reload_regs): Note the details of reload
8250 failures in the dump file.
8251 (spill_failure): Likewise.
8253 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8255 * loop-iv.c: Include df.h and hashtab.h.
8256 (enum iv_grd_result): New enum.
8257 (DF_REF_IV, DF_REF_IV_SET): New macros.
8258 (struct biv_entry): New.
8259 (df, bivs): New global variables.
8260 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8261 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8263 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8264 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8265 analyzed_for_bivness_p, record_biv): New functions.
8266 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8267 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8268 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8270 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8272 (iv_number_of_iterations): Use new interface to iv analysis.
8273 * loop-unroll.c: Do not include varray.h.
8274 (analyze_iv_to_split_insn): Use new interface to iv
8276 * loop-unswitch.c (may_unswitch_on): Ditto.
8277 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8279 (df_bb_modify): Realloc tables to the new index.
8280 (df_find_use): New function.
8281 * df.h (df_find_use): Declare.
8282 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8284 * cfgloop.h (struct rtx_iv): Remove analysed field.
8285 (iv_get_reaching_def): Removed.
8286 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8287 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8288 (loop-iv.o): Add df.h and hashtab.h dependency.
8289 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8291 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8294 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8296 (__floatundisf, __floatundidf): Likewise.
8297 * libgcc2.h (IS_IBM_EXTENDED): Define.
8299 2006-01-19 DJ Delorie <dj@redhat.com>
8301 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8303 2006-01-19 Paul Brook <paul@codesourcery.com>
8305 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8306 as nothrow when unwinding tables are disabled.
8308 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8311 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8312 of bit-field" when in system header.
8314 2006-01-19 DJ Delorie <dj@redhat.com>
8316 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8317 the 16 bit shift limit of the m16c.
8319 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8322 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8323 * config/i386/i386.c (output_set_got): Output the label if we have one
8324 for the TARGET_DEEP_BRANCH_PREDICTION case.
8326 2006-01-19 Jan Hubicka <jh@suse.cz>
8327 H.J. Lu <hongjiu.lu@intel.com>
8328 Evandro Menezes <evandro.menezes@amd.com>
8330 * invoke.texi (generic): Document
8332 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8333 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8334 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8335 (x86_use_incdec, x86_pad_returns): New variables
8336 (TARGET_CPU_DEFAULT_generic): New constant
8337 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8338 (enum processor_type): Add generic32 and generic64.
8339 * i386.md (cpu attribute): Add generic32/generic64
8340 (movhi splitter): Behave sanely when both partial_reg_dependency and
8341 partial_reg_stall are set.
8342 (K8 splitters): Enable for generic as well.
8343 * predicates.md (incdec_operand): Use TARGET_INCDEC
8344 (aligned_operand): Avoid memory mismatch stalls.
8345 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8346 * ppro.md: Enable for generic32
8347 * i386.c (generic64_cost, generic32_cost): New.
8348 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8349 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8350 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8351 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8352 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8353 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8354 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8355 x86_accumulate_outgoing_args, x86_prologue_using_move,
8356 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8357 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8359 (x86_use_incdec, x86_pad_returns): New.
8360 (override_options): Add generic32 and generic64, translate "generic"
8361 to generic32/generic64 and "i686" to "generic32", refuse
8362 "generic32"/"generic64" as arch target.
8363 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8364 (ix86_reorg): Honor PAD_RETURNS.
8366 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8368 * tree-pretty-print.c (dump_generic_node): Handle
8369 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8370 * cgraph.c (cgraph_expand_queue): Rename from
8371 cgraph_analyze_queue. Update all users.
8372 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8373 cgraph_expand_queue.
8374 (cgraph_expand_all_functions): Likewise.
8375 (cgraph_finalize_pending_functions): Remove. Update callers.
8377 * tree.h (OMP_DIRECTIVE_P): Define.
8378 (OMP_PARALLEL_FN): Define.
8379 (OMP_PARALLEL_DATA_ARG): Define.
8380 (OMP_SECTIONS_SECTIONS): Define.
8381 * tree-pass.h (pass_expand_omp): Declare.
8382 * omp-low.c (struct omp_region): Declare.
8383 (struct omp_context): Remove fields 'parallel_type',
8384 'parallel_start_ix' and 'parallel_start_additional_args'.
8386 (struct omp_for_data): Rename from struct expand_omp_for_data.
8387 (omp_regions): New static variable.
8388 (root_omp_region): New static variable.
8389 (find_omp_clause): Make static.
8390 (is_in_combined_parallel_ctx): Remove.
8391 (is_combined_parallel): New.
8392 (extract_omp_for_data): Move earlier in the file.
8393 (workshare_safe_to_combine_p): New.
8394 (get_ws_args_for): New.
8395 (determine_parallel_type): Move earlier in the file.
8396 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8398 (omp_copy_decl): Likewise.
8399 (create_omp_child_function): Likewise.
8400 (lookup_omp_region): New.
8401 (dump_omp_region): New.
8402 (debug_omp_region): New.
8403 (debug_all_omp_regions): New.
8404 (new_omp_region): New.
8405 (scan_omp_parallel): If parallel_nesting_level > 1, the
8406 directive is nested within another parallel directive.
8407 Set OMP_PARALLEL_FN.
8408 (scan_omp_for): Do not try to handle combined parallel+for
8410 Remove FIXME comment.
8411 (scan_omp_nested): Remove.
8412 (scan_omp_1): Do not call scan_omp_nested when
8413 parallel_nesting_level is > 1.
8414 Do not change the DECL_CONTEXT of local variables found.
8415 (lookup_decl_in_outer_ctx): New.
8416 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8417 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8418 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8419 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8420 If CTX is nested, lookup VAR in the outer context when
8421 building copy assignment.
8422 (lower_send_clauses): Rename from expand_send_clauses.
8423 If CTX is nested, lookup VAR in the outer context when
8424 building copy assignments.
8425 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8426 If CTX is nested, lookup VAR in the outer context when
8427 building copy assignments.
8428 (expand_parallel_call): Rename from build_parallel_call.
8429 Handle combined parallel+workshare cases.
8430 Re-implement to emit code into the CFG.
8432 (expand_omp_parallel): Re-implement to emit code into the CFG.
8433 Call move_sese_region_to_fn to outline the sub-graph
8434 containing the parallel region.
8435 (expand_omp_for_1): Remove.
8436 (expand_omp_for_generic): Re-implement to emit code into the
8438 (expand_omp_for_static_nochunk): Likewise.
8439 (expand_omp_for_static_chunk): Likewise.
8440 (expand_omp_for): Likewise.
8441 (expand_omp_sections): Likewise.
8442 (remove_exit_barriers): New.
8443 (expand_omp_synch): New.
8445 (build_omp_regions_1): New.
8446 (build_omp_regions): New.
8447 (execute_expand_omp): New.
8448 (gate_expand_omp): New.
8449 (pass_expand_omp): Define.
8450 (lower_omp_sections): Rename from expand_omp_sections.
8451 Set OMP_SECTIONS_SECTIONS.
8452 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8453 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8454 (lower_omp_single): Rename from expand_omp_simple.
8455 (lower_omp_master): Rename from expand_omp_master.
8456 (lower_omp_ordered): Rename from expand_omp_ordered.
8457 (lower_omp_critical): Rename from expand_omp_critical.
8458 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8459 (lower_omp_for): Re-implement.
8460 (lower_omp_parallel): Re-implement.
8461 (lower_regimplify): Rename from expand_regimplify.
8462 (lower_omp_1): Rename from expand_omp_1.
8463 If there are syntax errors in the program, replace every
8464 OpenMP directive with NOP.
8465 Call lower_omp_* instead of expand_omp_*.
8466 (lower_omp): Rename from expand_omp.
8468 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8469 * tree-gimple.h (enum omp_parallel_type): Remove.
8470 (gimple_boolify): Declare extern.
8471 (find_omp_clause, determine_parallel_type): Remove.
8473 * gimple-low.c (lower_omp_directive): New.
8474 (lower_stmt): Call it.
8475 (record_vars_into): Move from ...
8476 (record_vars): ... here.
8477 Call record_vars_into with current_function_decl.
8479 * gimplify.c (struct gimplify_ctx): Remove fields
8480 combined_pre_p and combined_ctxp. Update users.
8481 (get_formal_tmp_var): Add documentation.
8482 (gimple_boolify): Make extern.
8483 (gimplify_expr_in_ctx): Remove. Update callers.
8484 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8485 will always be a BIND_EXPR.
8486 (gimplify_expr): Handle OMP_RETURN_EXPR.
8487 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8488 (OMP_PARALLEL): Add 3 operands.
8489 (OMP_SECTIONS): Add 1 operand.
8490 (OMP_RETURN_EXPR): Define.
8492 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8493 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8494 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8495 creating a circular free list.
8496 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8498 * tree-flow.h (move_sese_region_to_fn): Declare.
8499 (record_vars_into): Declare.
8500 * tree-cfg.c (make_omp_sections_edges): New.
8501 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8502 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8503 OMP_SECTIONS and OMP_SECTION.
8504 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8505 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8506 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8507 (gather_blocks_in_sese_region): New.
8508 (struct move_stmt_d): Declare.
8510 (move_block_to_fn): New.
8511 (move_sese_region_to_fn): New.
8513 * passes.c (init_optimization_passes): Schedule
8514 pass_expand_omp after pass_init_datastructures.
8516 * tree-ssa-operands.c (get_expr_operands): Handle
8517 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8518 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8520 2006-01-19 Jeff Law <law@redhat.com>
8522 * tree-vrp.c (extract_range_from_assert): Refine the result range
8523 if the variable referenced by the ASSERT_EXPR has a range and
8524 either the tentative result range or the previous range is a
8527 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8529 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8531 2006-01-19 Jan Hubicka <jh@suse.cz>
8533 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8535 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8537 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8538 (expand_compound_operation, expand_field_assignment): Fail if the
8539 bit lengths of an extract operation are out of range.
8540 (make_extraction): Compute wanted_inner_mode based on the position
8541 and length of the extraction. Make it extraction_mode for non-constant
8542 positions, and do not modify offset in that case. When generating a
8543 new MEM, use a mode that can hold the extraction while keeping correct
8544 alignment. Remove code that supported MEMs wrapped by USEs.
8545 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8547 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8549 * config/s390/s390.md ("Y", "y"): New mode attribute.
8550 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8551 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8552 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8553 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8554 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8555 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8556 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8557 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8558 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8559 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8560 "addsi3", "subsi3"): Insn patterns removed.
8561 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8562 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8563 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8564 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8565 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8566 "*sub<mode>3_cconly2"): New insn patterns.
8567 ("addsi3", "subsi3"): New expanders.
8569 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8571 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8572 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8573 existing STMT_VINFO_VECTYPE if available.
8574 (vect_mark_relevant): Add special handling for stmts that are
8575 marked as STMT_VINFO_IN_PATTERN_P.
8576 (vect_analyze_loop): Call vect_pattern_recog.
8577 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8578 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8580 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8581 (vect_recog_func_ptr): New function-pointer type.
8582 * tree-vect-patterns.c: New file.
8583 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8584 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8585 (vect_pattern_recog_1): New functions.
8586 (vect_pattern_recog_funcs): New array of function pointers.
8588 * tree-vectorizer.h (ternary_op): New enum value.
8589 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8590 declaration. Revised documentation. Removed redundant dump prints.
8591 Removed redundant argument. Added support for reduction patterns.
8592 (vectorizable_reduction): Added support for reduction patterns.
8593 (vect_transform_stmt): Added support for patterns.
8595 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8596 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8597 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8598 (expand_widen_pattern_expr): New function.
8599 (init_optabs): Initialize new optabs udot_prod_optab,
8601 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8602 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8603 (expand_widen_pattern_expr): New function declaration.
8604 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8606 * tree-inline.c (estimate_num_insns_1): Added cases for new
8607 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8608 * tree-pretty-print.c (dump_generic_node): Likewise.
8609 (op_prio): Likewise.
8610 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8611 * tree-ssa-operands.c (get_expr_operands): Added case for
8613 * tree-vect-patterns.c (widened_name_p): New function.
8614 (vect_recog_dot_prod_pattern): Added function implementation.
8615 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8616 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8617 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8618 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8620 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8621 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8622 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8623 (init_optabs): Initialize new optabs widen_ssum_optab,
8625 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8626 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8627 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8628 use instead of type of def.
8629 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8630 function implementation.
8631 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8632 widen_ssumv8hi): New.
8634 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8637 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8640 * c-decl.c (add_flexible_array_elts_to_size): New function.
8641 (finish_decl): Use it.
8643 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8645 * diagnostic.h: Include options.h.
8646 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8647 dependancies for diagnostic.h.
8648 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8650 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8652 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8653 (ssa_ro_call_cache_valid): Ditto.
8654 * tree-ssa-alias.c (sort_tags_by_id): New function.
8655 (init_transitive_clobber_worklist): Ditto.
8656 (add_to_worklist): Ditto.
8657 (mark_aliases_call_clobbered): Ditto.
8658 (compute_tag_properties): Ditto.
8659 (set_initial_properties): Ditto.
8660 (compute_call_clobbered): Ditto.
8661 (compute_may_aliases): Call compute_call_clobbered and grouping.
8662 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8663 (compute_flow_insensitive_aliasing): Grouping now happens in our
8665 (setup_pointers_and_addressables): Remove clobbering related code.
8666 (add_may_alias): Ditto.
8667 (replace_may_alias): Ditto.
8668 (get_nmt_for): Ditto.
8669 (create_global_var):
8670 (is_escape_site): Return an escape_type enumeration.
8671 * tree-flow-inline.h (is_call_clobbered): Global var does not
8672 imply call clobbered.
8673 (mark_call_clobbered): Take a reason for marking this. Remove
8674 marking of globalness, and cache invalidation.
8675 (clear_call_clobbered): Remove cache invalidation code.
8676 * tree-dfa.c (dump_variable): If details is on, dump the reason
8678 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8680 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8681 (struct var_ann_d): Ditto.
8682 (enum escape_type): New.
8683 (mark_call_clobbered): Adjust prototype.
8684 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8685 are never call clobbered.
8686 Record reasons for escaping.
8687 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8688 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8689 (ssa_ro_call_cache_valid): Ditto.
8690 (clobbered_v_may_defs): Ditto.
8691 (clobbered_vuses): Ditto.
8692 (ro_call_vuses): Ditto.
8693 (clobber_stats): New.
8694 (init_ssa_operands): Zero out clobber stats.
8695 (fini_ssa_operands): Print out clobber stats.
8696 (get_call_expr_operands): Pass callee fndecl to
8698 (add_call_clobber_ops): Remove use of cache.
8699 Add use of PURE_CONST information.
8700 (add_call_read_ops): Remove use of cache.
8701 Add use of static not_read information.
8703 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8705 Introduce TLS descriptors for i386 and x86_64.
8706 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8707 (TARGET_ANY_GNU_TLS): New macro.
8708 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8709 (struct machine_function): Add tls_descriptor_call_expanded_p.
8710 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8711 (ix86_current_function_calls_tls_descriptor): Likewise.
8712 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8713 (override_options): Introduce gnu2 tls dialect.
8714 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8716 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8718 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8719 (ix86_init_machine_status): Initialize new field.
8720 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8721 (ix86_tls_module_base): New.
8722 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8723 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8724 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8725 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8726 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8727 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8728 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8729 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8730 * config/i386/predicates.md (tls_modbase_operand): New.
8731 (tp_or_register_operand): New.
8733 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8735 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8736 (look_for_address_of): Ditto.
8737 (ipa_init): Walk the function decls.
8738 (static_execute): Don't set readonly on FUNCTION_DECL's.
8740 2006-01-18 Roger Sayle <roger@eyesopen.com>
8742 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8743 for shifts where the source and destination registers are different.
8745 2006-01-18 Paul Brook <paul@codesourcery.com>
8747 Merge from csl-arm-branch.
8748 2005-03-14 Julian Brown <julian@codesourcery.com>
8749 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8750 (aeabi_llsl): Likewise.
8751 (ashrdi3): Likewise.
8752 (aeabi_lasr): Likewise.
8753 (lshrdi3): Likewise.
8754 (aeabi_llsr): Likewise.
8755 2005-03-10 Julian Brown <julian@codesourcery.com>
8756 * config.gcc: Disable shared libgcc for SymbianOS.
8757 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8759 2006-01-18 DJ Delorie <dj@redhat.com>
8761 * c-pragma.c (handle_pragma_diagnostic): New.
8762 (init_pragma): Register it.
8763 * doc/extend.texi: Document it.
8765 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8766 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8767 (diagnostic_context): Add classify_diagnostic[].
8768 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8769 as errors if they're overridden to DK_WARNING.
8770 (diagnostic_initialize): Initialize classify_diagnostic[].
8771 (diagnostic_set_kind_override): New.
8772 (diagnostic_report_diagnostic): Check for kind changes.
8773 * opts.c (common_handle_option): Take lang_mask. Update callers.
8775 * common.opt (Werror=): New.
8776 * doc/invoke.texi: Document -Werror=*
8778 2006-01-18 Jeff Law <law@redhat.com>
8780 * tree-vrp.c (test_for_singularity): Correct test for new
8781 min limit. Use operand_equal_p rather than pointer equality
8782 for testing if new min/max values are equal.
8784 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8785 using range information until after propagation and folding.
8787 2006-01-18 Richard Henderson <rth@redhat.com>
8788 Aldy Hernandez <aldyh@redhat.com>
8789 Jakub Jelinek <jakub@redhat.com>
8790 Diego Novillo <dnovillo@redhat.com>
8792 * omp-low.c: New file.
8793 * c-omp.c: New file.
8795 2006-01-18 Richard Henderson <rth@redhat.com>
8796 Jakub Jelinek <jakub@redhat.com>
8797 Diego Novillo <dnovillo@redhat.com>
8799 * doc/invoke.texi: Document -fopenmp.
8800 * tree-dump.h (debug_function): Declare.
8801 * hooks.c (hook_bool_tree_bool_false): New function.
8802 (hook_tree_tree_null): Remove.
8803 (hook_tree_tree_tree_null): New.
8804 * hooks.h: Update to match.
8805 * tree-pretty-print.c (debug_tree_chain): New.
8806 (print_generic_expr): Handle TDF_CHAIN.
8807 (dump_generic_node): Handle BLOCK.
8808 Do not abort with incomplete SWITCH_EXPRs.
8809 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8810 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8811 print space after directive name.
8812 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8813 Handle OMP_MASTER and OMP_ORDERED.
8814 Handle printing of OMP_BODY just in one place, goto
8815 dump_omp_body in the rest of OMP_* nodes that have
8817 Don't handle clause nodes here. Update omp statements to
8818 use dump_omp_clauses.
8819 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8820 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8821 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8822 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8823 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8824 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8825 Adjust output for GOMP_PARALLEL.
8826 (dump_omp_clauses): New.
8827 (print_declaration): Dump DECL_VALUE_EXPR.
8828 (op_symbol_1): Split out of op_symbol.
8829 (dumping_stmts): Remove. Update all users.
8830 * cgraph.c (cgraph_analyze_queue): New.
8831 (cgraph_add_new_function): New.
8832 * cgraph.h (cgraph_analyze_queue): Declare.
8833 (cgraph_add_new_function): Declare.
8834 (cgraph_lower_function): Remove.
8835 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8836 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8837 and TYPE_P nodes in its default clause.
8838 (empty_body_p): New.
8839 (tree_range_check_failed): New.
8841 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8842 OMP_CLAUSE_REDUCTION_MERGE,
8843 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8844 OMP_CLAUSE_PRIVATE_DEBUG,
8845 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8846 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8847 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8848 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8849 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8850 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8851 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8852 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8853 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8854 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8855 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8856 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8857 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8858 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8859 (TREE_RANGE_CHECK): New.
8860 (empty_body_p): Declare.
8861 (enum omp_clause_default_kind): New.
8862 (build_string_literal): Declare.
8863 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8864 (build5_stat, build5): Declare.
8865 * tree-pass.h (TDF_CHAIN): Define.
8866 * tree-pass.h (PROP_gimple_lomp): Define.
8867 (pass_lower_omp): Declare.
8868 * diagnostic.h (debug_tree_chain): Declare.
8869 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8871 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8872 * builtins.c (build_string_literal): Make extern.
8873 * gcc.c (include_spec_function): New.
8874 (static_spec_functions): Add it.
8875 (main): Move load of libgomp.spec ...
8876 (LINK_COMMAND_SPEC): ... here.
8877 (link_gomp_spec): New.
8878 (static_specs): Include it.
8879 (LINK_COMMAND_SPEC): Add link_gomp.
8880 (GOMP_SELF_SPECS): New.
8881 (driver_self_specs): Include it.
8882 (switch_matches): Don't mark inline.
8883 (main): Load libgomp.spec.
8884 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8885 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8886 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8887 * tree-gimple.h (enum omp_parallel): Declare.
8888 (determine_parallel_type): Declare.
8889 (omp_firstprivatize_variable): Declare.
8890 (omp_reduction_init): Declare.
8891 (diagnose_omp_structured_block_errors): Declare.
8892 (struct walk_stmt_info): Add want_return_expr.
8893 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8894 (find_omp_clause): Declare.
8895 (insert_field_into_struct): Declare.
8896 (struct walk_stmt_info): Move from tree-nested.c
8897 (walk_stmts): Declare.
8898 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8900 * cgraphunit.c (cgraph_lower_function): Make static.
8901 (cgraph_finalize_pending_functions): New.
8902 (cgraph_finalize_function): Call it.
8903 (cgraph_finalize_compilation_unit): Likewise.
8904 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8905 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8906 (BT_FN_UINT_UINT): New.
8907 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8908 DEF_FUNCTION_TYPE_VAR_4): Document.
8909 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8910 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8911 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8912 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8913 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8914 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8915 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8916 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8917 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8918 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8919 into separate files.
8920 (DEF_GOMP_BUILTIN): New.
8921 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8922 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8923 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8924 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8925 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8926 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8927 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8928 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8929 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8930 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8931 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8932 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8933 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8934 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8935 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8936 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8937 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8938 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8939 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8940 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8941 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8942 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8943 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8944 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8945 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8946 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8947 * sync-builtins.def: New file, moved from builtins.def.
8948 * omp-builtins.def: New file, moved from builtins.def.
8949 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8950 * gimple-low.c (lower_function_body): Clear data.
8951 (lower_stmt): Do not handle COMPOUND_EXPR.
8952 Remove call to print_node_brief.
8953 * c-tree.h (c_finish_omp_clauses): New prototype.
8954 (C_DECL_THREADPRIVATE_P): Define.
8955 (lookup_name_no_remap, c_omp_remap_private): Remove
8956 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8957 (check_for_loop_decls): Update decl.
8958 (lookup_name_no_remap, c_omp_remap_private): Declare.
8959 (build_indirect_ref, build_modify_expr, pushdecl,
8960 pushdecl_top_level): Move to c-common.h.
8961 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8962 before the switch, but just in the 2 places that need it.
8963 * c-decl.c (diagnose_mismatched_decls): Do not check for
8964 mismatched thread-local attributes when OLDDECL is marked
8965 threadprivate and NEWDECL has no thread-local attributes.
8966 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8967 (c_gimple_diagnostics_recursively): Rename from
8968 c_warn_unused_result_recursively. Invoke
8969 diagnose_omp_structured_block_errors.
8970 (check_for_loop_decls): Return a singular decl found.
8971 * langhooks.c (lhd_omp_predetermined_sharing): Return
8972 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8973 (lhd_omp_firstprivatize_type_sizes): New.
8974 (lhd_omp_assignment): New.
8975 (lhd_omp_predetermined_sharing): New.
8976 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8977 (struct lang_hooks_for_types): Add
8978 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8979 omp_predetermined_sharing, omp_disregard_value_expr,
8980 omp_private_debug_clause, omp_clause_default_ctor,
8981 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8982 (c_finish_omp_clauses): New.
8983 (c_finish_bc_stmt): Diagnose break within omp for.
8984 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8985 (build_unary_op): Return error_mark after reporting
8987 (build_modify_expr): Likewise.
8988 * gimplify.c: Include optabs.h and pointer-set.h.
8989 (enum gimplify_omp_var_data): Declare.
8990 (struct gimplify_omp_ctx): Declare.
8991 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8993 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8994 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8995 (splay_tree_compare_decl_uid): New.
8996 (new_omp_context): New.
8997 (delete_omp_context): New.
8998 (gimple_add_tmp_var): Call omp_add_variable.
8999 (gimplify_bind_expr): Likewise.
9000 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9001 true, disregard DECL_VALUE_EXPR on the decl if any.
9002 (gimplify_expr_in_ctx): New.
9003 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9004 omp_add_variable, omp_notice_variable, omp_is_private
9005 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9006 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9007 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9008 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9009 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9010 gimplify_omp_atomic): New.
9011 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9012 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9013 OMP_CRITICAL and OMP_ATOMIC.
9014 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9015 * c-pragma.h (enum pragma_kind): Add
9016 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9017 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9018 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9019 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9020 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9021 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9022 PRAGMA_OMP_THREADPRIVATE.
9023 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9024 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9025 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9026 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9027 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9028 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9029 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9030 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9031 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9032 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9033 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9034 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9035 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9037 (struct nesting_info): Add field_map,
9038 suppress_expansion, debug_var_chain.
9039 (create_nesting_tree): Initialize them.
9040 (lookup_field_for_decl): Use field_map.
9041 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9042 (convert_local_omp_clauses): New.
9043 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9044 (walk_body): Split out of walk_function.
9045 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9046 (convert_nonlocal_reference): Handle omp statements.
9047 (convert_local_reference): Likewise.
9048 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9049 (unnest_nesting_tree): New.
9050 (lower_nested_functions): Call it.
9051 (insert_field_into_struct): Make extern.
9052 (struct walk_stmt_info): Move to tree-gimple.h.
9053 (walk_stmts): Make extern.
9054 * omp-builtins.def: New file.
9055 * tree-iterator.c (expr_only): Clarify comment.
9056 * c-common.h (pushdecl_top_level, pushdecl,
9057 build_modify_expr, build_indirect_ref,
9058 c_finish_omp_master, c_finish_omp_critical,
9059 c_finish_omp_ordered, c_finish_omp_barrier,
9060 c_finish_omp_atomic, c_finish_omp_flush,
9061 c_finish_omp_for, c_split_parallel_clauses,
9062 omp_clause_default_kind, c_omp_sharing_predetermined,
9063 c_omp_remap_decl): Declare.
9064 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9065 (OBJS-common): Add omp-low.o.
9066 (c-omp.o, omp-low.o): Add.
9067 (gimplify.o): Add dependency on $(OPTABS_H).
9068 (GTFILES): Add omp-low.c.
9069 (gt-stringpool.h): Add.
9070 * tree-cfg.c (set_bb_for_stmt): Do not update the
9071 block-to-labels map if we are currently expanding to RTL.
9072 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9074 Handle IDENTIFIER_NODE.
9075 (tree_verify_flow_info): Do not ICE when emitting error
9076 messages about invalid labels.
9077 (dump_function_to_file): Reset CFUN before emitting the body
9079 (debug_function): New.
9080 * passes.c (init_optimization_passes): Schedule
9082 * langhooks-def.h (lhd_omp_predetermined_sharing,
9083 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9085 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9086 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9087 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9088 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9089 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9090 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9091 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9092 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9093 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9094 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9095 (LANG_HOOK_DECLS): Use them.
9097 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9098 Richard Henderson <rth@redhat.com>
9099 Jakub Jelinek <jakub@redhat.com>
9100 Diego Novillo <dnovillo@redhat.com>
9102 * c-parser.c (pragma_omp_clause): Define.
9103 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9104 (c_parser_compound_statement): Likewise.
9105 (c_parser_statement): Likewise.
9106 (c_parser_pragma): Handle omp pragmas.
9107 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9108 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9109 (c_parser_omp_clause_name, check_no_duplicate_clause,
9110 c_parser_omp_variable_list,
9111 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9112 c_parser_omp_clause_copyprivate,
9113 c_parser_omp_clause_default,
9114 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9115 c_parser_omp_clause_lastprivate,
9116 c_parser_omp_clause_nowait,
9117 c_parser_omp_clause_num_threads,
9118 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9119 c_parser_omp_clause_reduction,
9120 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9121 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9122 c_parser_omp_atomic, c_parser_omp_barrier,
9123 c_parser_omp_critical, c_parser_omp_flush,
9124 c_parser_omp_for_loop, c_parser_omp_for,
9125 c_parser_omp_master, c_parser_omp_ordered,
9126 c_parser_omp_sections_scope, c_parser_omp_sections,
9127 c_parser_omp_parallel, c_parser_omp_single,
9128 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9129 * c-pragma.c (init_pragma): Do omp pragma registration here.
9130 * c.opt (fopenmp): New flag.
9132 2006-01-18 Eric Christopher <echristo@apple.com>
9134 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9135 * config/darwin.h (GOMP_SELF_SPECS): Define.
9137 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9139 * rtl.h: Remove the prototype for reg_alloc.
9141 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9144 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9145 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9146 sjlj and dwarf2 exception handling.
9147 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9148 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9149 * pa/pa.c (function_value): Treat complex and vector types as
9151 (function_arg): Likewise. Only pass scalar floats in the floating
9152 point argument registers.
9153 * pa/t-slibgcc-dwarf-ver: New file.
9154 * pa/t-slibgcc-sjlj-ver: New file.
9155 * pa/t-slibgcc-elf-ver: Delete file.
9157 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9159 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9160 unlikely_test_section_p test.
9162 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9164 * mode-switching.c (optimize_mode_switching): Make it static.
9165 * basic-block.h: Remove the prototype for
9166 optimize_mode_switching.
9168 * modulo-sched.c (sms_schedule): Make it static.
9169 * rtl.h: Remove the prototype for sms_schedule.
9171 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9172 * rtl.h: Remove the prototype for gcse_after_reload_main.
9174 * reg-stack.c (reg_to_stack): Make it static.
9175 * rtl.h: Remove the prototype for reg_to_stack.
9177 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9179 * rtl.h: Remove the prototypes for regrename_optimize and
9180 copyprop_hardreg_forward.
9182 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9184 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9185 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9186 Test against the appropriate null constant for the mode.
9187 If 'fixup_overlap' is true, swap the operands if they overlap.
9188 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9189 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9190 alpha_split_tmode_pair and adjust for above change.
9191 * config/alpha/alpha.md (movtf_internal): Adjust call to
9192 alpha_split_tfmode_pair and rely on it to swap the operands.
9193 (movti_internal): New insn and post-reload splitter.
9194 (movti): New expander.
9196 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9198 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9201 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9203 * rtlanal.c (global_reg_mentioned_p_1,
9204 global_reg_mentioned_p): Remove.
9205 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9207 * flow.c (initialize_uninitialized_subregs): Make it static.
9208 * rtl.h: Remove the prototype for
9209 initialize_uninitialized_subregs.
9211 * function.c (instantiate_virtual_regs): Make it static.
9212 * function.h: Remove the prototype for
9213 instantiate_virtual_regs.
9215 * regmove.c (regmove_optimize, combine_stack_adjustments):
9217 * rtl.h: Remove the prototypes for regmove_optimize and
9218 combine_stack_adjustments.
9220 2006-01-17 Roger Sayle <roger@eyesopen.com>
9222 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9223 (size_cost): Encode costs in bytes so that a reg-reg addition is
9224 equivalent to COSTS_N_INSNS(1).
9225 (override_options): Use the size_cost.branch_cost as the default
9226 ix86_branch_cost when optimizing for size.
9228 2006-01-18 Ben Elliston <bje@au.ibm.com>
9230 * Makefile.in (D32PBIT_FUNCS): New.
9231 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9232 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9233 D64PBIT_FUNCS and D128PBIT_FUNCS.
9234 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9235 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9237 (decnumber_dep): Define.
9238 * doc/libgcc.texi (Decimal float library routines): New node.
9239 * config/dfp-bit.h, config/dfp-bit.c: New files.
9241 2006-01-18 Ben Elliston <bje@au.ibm.com>
9243 * expr.c (emit_move_change_mode): Always adjust addresses, not
9244 just during reload. Copy replacements only during reload.
9245 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9246 emit_move_via_integer.
9248 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9250 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9251 instead of $(srcdir) and ${srcdir}.
9253 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9257 * arm.h (struct machine_function): Add pic_reg.
9258 * arm.c (arm_pic_register): Make unsigned.
9259 (arm_override_options): Only set arm_pic_register if
9260 TARGET_SINGLE_PIC_BASE.
9261 (use_return_insn): Only test for a pic register if it is fixed.
9262 (arm_compute_save_reg0_reg12_mask): Likewise.
9263 (thumb_compute_save_reg_mask): Likewise.
9264 (legitimate_pic_operand): Factor out some known invariants.
9265 (legitimize_pic_address): If we don't have a fixed pic register,
9266 then set up a pseudo in the function entry sequence. Handle the
9267 pic base being in a pseudo.
9268 (arm_load_pic_register): Handle the pic register being in a pseudo.
9269 (arm_expand_prologue): Only set up the pic register if it is fixed.
9270 (thumb_expand_prologue): Likewise.
9271 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9272 (pic_load_addr_based_insn): Likewise.
9273 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9276 2006-01-18 Ben Elliston <bje@au.ibm.com>
9278 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9279 decimal float modes for all floating point registers.
9281 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9282 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9284 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9287 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9288 even when the pointer is not NULL.
9290 2006-01-16 Ian Lance Taylor <ian@airs.com>
9292 * common.opt (ftoplevel-reorder): New option.
9293 * cgraph.c (cgraph_asm_nodes): New global variable.
9294 (cgraph_asm_last_node): New static variable.
9295 (cgraph_order): New global variable.
9296 (cgraph_create_node): Set new order field.
9297 (cgraph_varpool_node): Likewise.
9298 (decide_is_variable_needed): Return true if not
9299 flag_toplevel_reorder.
9300 (cgraph_add_asm_node): New function.
9301 * cgraph.h (struct cgraph_node): Add order field.
9302 (struct cgraph_varpool_node): Add order field.
9303 (struct cgraph_asm_node): Define.
9304 (cgraph_asm_nodes, cgraph_order): Declare.
9305 (cgraph_add_asm_node): Declare.
9306 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9308 (cgraph_varpool_assemble_pending_decls): Call it.
9309 (cgraph_output_pending_asms): New static function.
9310 (cgraph_finalize_compilation_unit): Call it.
9311 (struct cgraph_order_sort): Define.
9312 (cgraph_output_in_order): New static function.
9313 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9314 !flag_toplevel_reorder case.
9315 * c-parser.c: Include "cgraph.h".
9316 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9318 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9319 than -fno-unit-at-a-time.
9320 * doc/invoke.texi (Option Summary): Mention
9321 -fno-toplevel-reorder.
9322 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9323 -funit-at-a-time documentation.
9325 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9326 Kazu Hirata <kazu@codesourcery.com>
9328 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9330 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9332 * Makefile.in (FUNCTION_H): New. Use it instead of
9333 function.h throughout the file.
9334 * function.h: Include tree.h.
9336 2006-01-17 Ben Elliston <bje@au.ibm.com>
9338 * recog.c: Separate some functions with whitespace.
9340 2006-01-16 Richard Henderson <rth@redhat.com>
9342 Merge from gomp branch:
9343 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9344 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9345 and rename from struct inline_data. Rename callee* to dst*;
9346 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9347 transform_new_cfg, transform_return_to_modify, and
9348 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9350 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9351 (copy_decl_for_dup): Remove.
9352 * tree-inline.c (struct inline_data): Move to header.
9353 (insert_decl_map): Export.
9354 (remap_decl): Update for member name changes. Use copy_decl hook.
9355 Allow for replacement to be a non-decl. Remove dead code.
9356 (remap_type_1): Check for existing mapping.
9357 (remap_type): Export.
9358 (remap_decls): Update for member name changes.
9359 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9360 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9361 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9362 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9363 (tree_function_versioning, build_duplicate_type): Likewise.
9364 (copy_body_r): Likewise. Export.
9365 (copy_decl_for_dup): Split into ...
9366 (copy_decl_for_dup_finish, copy_decl_to_var,
9367 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9368 (replace_ref_tree, inlining_p): Remove.
9370 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9372 * ifcvt.c (if_convert): Make it static.
9373 * rtl.h: Remove the prototype for if_convert.
9375 * local-alloc.c (local_alloc): Make it static.
9376 * rtl.h: Remove the prototype for local_alloc.
9378 * loop.c (loop_optimize): Make it static.
9379 * cfgloop.h: Remove the prototype for loop_optimize.
9382 2006-01-16 DJ Delorie <dj@redhat.com>
9384 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9387 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9389 * pa.md: Disparage copies between general and floating-point registers
9390 in 32-bit move patterns.
9392 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9395 * Makefile.in (check-%): Depend on site.exp instead of
9396 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9399 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9401 * global.c (global_alloc): Make it static.
9402 * rtl.h: Remove the prototype for global_alloc.
9404 2006-01-16 Richard Guenther <rguenther@suse.de>
9406 * tree-ssa-alias.c (struct used_part): Add write_only field.
9407 (get_or_create_used_part_for): Initialize it to true.
9408 (create_overlap_variables_for): Don't create structure variables
9409 for structures that only are written to.
9410 (find_used_portions): Handle MODIFY_EXPR to track whether a
9411 structure is only written to.
9413 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9415 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9417 * basic-block.h: Remove the prototype for
9418 partition_hot_cold_basic_blocks.
9420 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9422 * cppspec.c (lang_specific_spec_functions): Remove.
9423 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9424 * gcc.h (lang_specific_spec_functions): Remove.
9425 * gccspec.c (lang_specific_spec_functions): Remove.
9427 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9429 * combine.c (record_value_for_reg): Invalidate registers
9431 (record_dead_and_set_regs_1): Likewise, by passing them to
9432 record_value_for_reg.
9433 (record_dead_and_set_regs): Invalidate stores made by a
9434 call. We do not combine across a call, but we still
9435 relied on equivalences.
9437 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9439 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9440 vrp_int_const_binop returning non-constant nodes.
9442 2006-01-16 Paul Brook <paul@codesourcery.com>
9444 * config/m68k/m68k.c (output_move_const_into_data_reg):
9445 Output correct mnemonic for mvz and mvs.
9447 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9449 * rtl-factoring.c: Add sequence abstraction algorithm.
9450 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9451 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9453 (block_has_preserve_label): New function.
9454 * common.opt: Register new pass.
9455 * Makefile.in: Ditto.
9457 * timevar.def: Ditto.
9458 * tree-pass.h: Ditto.
9459 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9460 * rtl.h (make_jump_insn_raw): Add forward decl.
9461 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9463 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9464 Roger Sayle <roger@eyesopen.com>
9466 * fold-const.c (fold_minmax): New static function.
9467 (fold_binary) <MIN_EXPR>: Call it.
9468 <MAX_EXPR>: Likewise.
9469 * stor-layout.c (place_field): Use DECL_SIZE consistently
9470 in the computation of the new record size.
9472 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9474 * cse.c (cse_condition_code_reg): Make it static.
9475 * rtl.h: Remove the prototype for cse_condition_code_reg.
9477 * combine.c (combine_instructions): Make it static.
9478 * rtl.h: Remove the prototype for combine_instructions.
9480 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9483 * tree.c (get_file_function_name_long): Concatenate the first global
9484 object name with a string derived from the input filename of the object
9487 2006-01-16 Ben Elliston <bje@au.ibm.com>
9489 * config/i386/winnt-stubs.c: Update FSF address.
9490 * config/xtensa/ieee754-df.S: Ditto.
9491 * config/xtensa/ieee754-sf.S: Ditto.
9493 2006-01-14 Ian Lance Taylor <ian@airs.com>
9495 * ifcvt.c (noce_init_if_info): New static function, broken out of
9496 noce_process_if_block.
9497 (noce_process_if_block): Call noce_init_if_info.
9498 (check_cond_move_block): New static function.
9499 (cond_move_process_if_block): New static function.
9500 (process_if_block): Call cond_move_process_if_block.
9502 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9504 * cselib.c (hash_table): Rename to cselib_hash_table.
9505 (cselib_clear_table, discard_useless_values,
9506 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9507 cselib_init, cselib_finish): Adjust uses of hash_table.
9509 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9511 PR tree-optimization/25485
9512 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9513 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9514 is known to be false and true, respectively.
9516 2006-01-14 Richard Guenther <rguenther@suse.de>
9518 PR tree-optimization/22548
9519 PR tree-optimization/22555
9520 PR tree-optimization/22501
9521 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9522 * params.def (salias-max-array-elements): New parameter.
9523 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9524 * doc/invoke.texi (salias-max-array-elements): Document.
9525 * tree-flow-inline.h (var_can_have_subvars): We also handle
9527 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9529 * tree-ssa-structalias.c (params.h): Include.
9530 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9531 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9532 (get_constraint_for): For ADDR_EXPR operating on something
9533 containing an ARRAY_REF, add all subvars to the solution.
9534 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9535 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9536 for creating MUST_DEFs.
9537 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9539 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9541 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9543 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9544 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9545 number_of_iterations_le): New functions.
9546 (number_of_iterations_special): Removed.
9547 (number_of_iterations_exit): Do not use number_of_iterations_special.
9548 * tree.c (unsigned_type_for): Always return integer type.
9550 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9551 Richard Guenther <rguenther@suse.de>
9553 PR rtl-optimization/24257
9554 * gcse.c (find_moveable_store): Only consider a store movable
9555 when the SET_SRC of the insn can be assigned to a register.
9557 2006-01-14 Ian Lance Taylor <ian@airs.com>
9559 * tree.c (tree_not_class_check_failed): New function.
9560 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9561 (tree_not_class_check_failed): Declare.
9563 2006-01-13 Ian Lance Taylor <ian@airs.com>
9565 * reload1.c (do_output_reload): Add assertion rejecting a
9568 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9570 * combine.c (struct reg_stat): Add new fields truncation_label and
9572 (record_value_for_reg): Reset truncated_to_mode.
9573 (record_truncated_value): New function.
9574 (check_promoted_subreg): Call it. Rename to check_conversions.
9575 (combine_instructions): Rename check_promoted_subreg to
9577 (reg_truncated_to_mode): New function.
9578 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9579 (gen_lowpart_or_truncate): New function.
9580 (force_to_mode): Use it instead of gen_lowpart.
9582 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9584 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9585 VAR is a tag, not its type tag.
9587 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9589 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9590 alternatives to match style of other entries.
9591 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9593 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9595 PR tree-optimization/25771
9596 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9599 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9602 * tree-inline.c (declare_return_variable): If the return variable
9603 was marked as a non gimple complex, set the return slot variable
9604 to be a non gimple comple variable.
9606 2006-01-13 Richard Guenther <rguenther@suse.de>
9608 * builtins.c (expand_builtin_sincos): New function.
9609 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9611 (expand_builtin): Expand sincos using expand_builtin_sincos.
9613 2006-01-12 DJ Delorie <dj@redhat.com>
9615 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9616 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9617 so that constant shifts can be split.
9618 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9619 (m32c_valid_pointer_mode): Make static.
9620 (shift_gen_func_for): New.
9621 (m32c_prepare_shift): Use it. Split large const shifts into
9623 * config/m32c/predicates.md (shiftcount_operand): Allow more
9625 (longshiftcount_operand): New.
9626 * doc/md.texi (Machine Constraints): Document In6.
9628 2006-01-13 Ben Elliston <bje@au.ibm.com>
9630 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9631 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9634 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9636 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9637 to try to avoid clobbering pieces of structures when we know
9638 something about the whole structure.
9639 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9641 2006-01-13 Ben Elliston <bje@au.ibm.com>
9643 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9644 return in memory, as this is no limitation is no longer present.
9646 2006-01-12 DJ Delorie <dj@redhat.com>
9648 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9649 mova with fb, and for fb+0 -> An.
9651 * config/m32c/mov.md (peephole2): Fix enabling logic.
9653 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9654 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9655 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9656 FINI_ARRAY_SECTION_ASM_OP): Define.
9658 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9660 (m32c_legitimize_reload_address): New logic to reload FB to An.
9661 (m32c_output_reg_push): Add newline.
9662 (m32c_output_reg_pop): Likewise.
9664 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9666 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9668 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9670 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9672 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9674 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9677 2006-01-11 Ben Elliston <bje@au.ibm.com>
9679 * rtlanal.c (find_reg_note): Assert insn is not null.
9681 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9683 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9686 2006-01-11 Jeff Law <law@redhat.com>
9688 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9690 (mark_threaded_blocks, register_jump_thread): New functions.
9691 (thread_through_all_blocks): Remove unwanted argument. No
9692 longer rely on e->aux to communicate thread target info.
9693 Call mark_threaded_blocks. Release the threaded_blocks
9694 bitmap and threaded_edges vector when complete.
9695 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9696 (threaded_blocks): Remove.
9697 (tree_ssa_dominator_optimize): Remove initialization and
9698 finalization of threaded_blocks. Simplify call to
9699 thread_through_all_blocks.
9700 (thread_across_edge): Call register_jump_thread rather than
9701 storing thread information into e->aux.
9702 (free_all_edge_infos): Simplify now that e->aux is no longer
9703 used to communicate with thread_through_all_blocks.
9704 * tree-flow.h (thread_through_all_blocks): Update prototype.
9705 (register_jump_thread): Prototype.
9707 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9709 * df-core.c (df_compact_blocks, df_bb_replace): Use
9710 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9712 2006-01-11 Richard Guenther <rguenther@suse.de>
9714 PR tree-optimization/25734
9715 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9716 stop propagation after successful propagation to the LHS.
9718 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9720 * basic-block.h (control_flow_graph): Change the type of
9721 x_basic_block_info to VEC(basic_block,gc) *.
9722 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9724 (SET_BASIC_BLOCK): New.
9725 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9726 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9727 * cfgbuild.c (find_basic_blocks): Likewise.
9728 * cfglayout.c (fixup_reorder_chain): Likewise.
9729 * cfgrtl.c (create_basic_block_structure,
9730 rtl_create_basic_block): Likewise.
9731 * ifcvt.c (find_if_case_1): Likewise.
9732 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9735 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9737 * Makefile.in: Removed rotted odf.c entry.
9739 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9742 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9743 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9744 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9745 output pattern modifier, not %e.
9746 * config/cris/cris.c (cris_op_str): Update comment about pattern
9748 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9749 before falling through into...
9750 <case 'E'>: Redefined from old 'e' case.
9752 2006-01-11 Jan Hubicka <jh@suse.cz>
9755 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9757 2006-01-11 Jan Hubicka <jh@suse.cz>
9759 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9760 * i386.c (x86_decompose_lea): Kill.
9761 (ix86_rtx_costs): Kill.
9763 2006-01-11 Jan Hubicka <jh@suse.cz>
9765 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9766 * cgraph.h (cgraph_node): Add inline_decl.
9767 (cgraph_insert_node_to_hashtable): Declare.
9768 (save_inline_function_body): Declare.
9769 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9771 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9772 (cgraph_function_versioning): Update call of tree_function_versioning.
9773 (save_inline_function_body): New function.
9774 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9775 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9776 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9777 (cgraph_default_inline_p): Likewise.
9778 (cgraph_decide_inlining_incrementally): Likewise.
9779 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9780 (copy_bb): Kill saving; do updating of clones.
9781 (copy_cfg_body): Kill saving.
9782 (initialize_inlined-parameters): Likewise.
9783 (expand_call_inline): Likewise.
9785 (tree_function_versioning): New parameter "update_clones".
9786 (inlining_p): Kill saving.
9787 * tree-inline.h (tree_function_versioning): Update prototype.
9788 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9791 2006-01-11 Ian Lance Taylor <ian@airs.com>
9793 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9794 Allow undoing set of machine mode.
9795 (do_SUBST): Use enums instead of is_int.
9796 (do_SUBST_MODE): New function.
9797 (SUBST_MODE): New macro.
9798 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9799 reg and trying to replace reg_regno_rtx with a new register.
9800 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9801 (simplify_set): Use SUBST_MODE.
9802 (distribute_notes): Remove code that tried to update reg notes
9803 for regno_reg_rtx changes.
9805 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9807 PR tree-optimization/23109
9808 PR tree-optimization/23948
9809 PR tree-optimization/24123
9811 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9812 * tree-cfg.c (single_noncomplex_succ): New.
9813 * tree-flow.h (single_noncomplex_succ): Declare it.
9814 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9815 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9816 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9817 insert_bb, register_division_in, insert_reciprocals,
9818 replace_reciprocal, free_bb): New.
9819 (execute_cse_reciprocals_1): Rewritten.
9820 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9821 Do not commit any edge insertion. Always compute dominators and
9822 create the allocation pool.
9823 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9824 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9825 * targhooks.c (default_min_divistions_for_recip_mul): New.
9826 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9827 * passes.c (init_optimization_passes): Run recip after tree loop
9829 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9831 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9832 Kenneth Zadeck <zadeck@naturalbridge.com>
9834 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9835 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9836 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9837 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9838 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9839 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9840 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9841 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9842 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9843 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9844 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9845 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9846 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9847 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9848 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9849 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9850 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9851 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9852 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9853 DF_SCAN_POST_ALLOC): New macros.
9854 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9855 df_free_bb_function, df_local_compute_function, df_init_function,
9856 df_dataflow_function, df_confluence_function_0,
9857 df_confluence_function_n, df_transfer_function,
9858 df_finalizer_function, df_free_function, df_dump_problem_function,
9859 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9860 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9861 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9862 df_urec_bb_info, ) New types.
9863 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9865 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9866 df_analyze_simple_change_some_blocks,
9867 df_analyze_simple_change_one_block, df_compact_blocks,
9868 df_bb_replace, df_bb_regno_last_use_find,
9869 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9870 df_insn_regno_def_p, df_find_def, df_find_use,
9871 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9872 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9873 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9874 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9875 debug_df_chain, df_get_dependent_problem, df_chain_create,
9876 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9877 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9878 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9879 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9880 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9881 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9882 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9883 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9884 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9885 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9886 df_reorganize_refs, df_set_state, df_hard_reg_init,
9887 df_read_modify_subreg_p) New public functions.
9888 * df-core.c: The core dataflow solver and glue routines for rtl
9890 (df_init, df_add_problem, df_set_blocks, df_finish,
9891 df_hybrid_search_forward, df_hybrid_search_backward,
9892 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9893 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9894 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9895 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9896 df_reg_defined, df_find_use, df_reg_used, df_dump,
9897 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9898 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9899 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9900 debug_df_useno, reset_df_after_reload): New functions.
9901 * df-scan.c: The scanning fuctions, once in df.c, completely
9902 rewritten so that they now fully model the functionality of
9903 register usage at the backend.
9904 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9905 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9906 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9907 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9908 df_get_artificial_defs, df_get_artificial_uses,
9909 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9910 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9911 df_refs_delete, df_reorganize_refs, df_set_state,
9912 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9913 df_def_record_1, df_defs_record, df_uses_record,
9914 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9915 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9916 df_record_exit_block_uses, df_hard_reg_init): New functions.
9918 * df-problems.c: Seven concrete dataflow problems that use the
9919 scanning in df-scan.c and are solved by the engine in df-core.c.
9920 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9921 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9922 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9923 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9924 df_ru_free_bb_info, df_ru_alloc,
9925 df_ru_bb_local_compute_process_def,
9926 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9927 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9928 df_ru_transfer_function, df_ru_free, df_ru_dump,
9929 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9930 df_rd_free_bb_info, df_rd_alloc,
9931 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9932 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9933 df_rd_transfer_function, df_rd_free, df_rd_dump,
9934 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9935 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9936 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9937 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9938 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9939 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9940 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9941 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9942 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9943 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9944 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9945 df_urec_mark_reg_use_for_earlyclobber,
9946 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9947 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9948 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9949 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9950 df_chain_create_bb_process_use, df_chain_create_bb,
9951 df_chain_finalize, df_chain_free, df_chains_dump,
9952 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9953 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9954 df_reg_lifetime): New functions.
9955 * df.c: Deleted file.
9956 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9957 consistent with new df api.
9958 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9959 rest_of_handle_sms): Ditto.
9960 * web.c (unionfind_union, union_defs, entry_register, web_main):
9962 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9963 invariant_expr_equal_p, find_defs, check_dependencies,
9964 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9965 free_inv_motion_data, move_loop_invariants): Ditto.
9966 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9967 Update dependencies.
9968 (odf.c): Added defective entry that was deleted later in day.
9969 * sched-deps.c (sched_analyze_1): Ditto.
9971 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9973 * tree-ssa-operands.c (get_expr_operands): Record addressable
9974 variables directly. Do not call add_stmt_operands for CONST_DECLs
9976 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9977 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9979 2006-01-11 Ben Elliston <bje@au.ibm.com>
9981 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9982 function returns true in the positive case.
9984 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9987 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9988 for SI, DI, SF and DF modes. Add alternatives to copy between
9989 general and floating point registers to the 32-bit patterns.
9990 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9991 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9992 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9993 generating 64-bit code.
9994 * config/pa/pa.c (output_move_double): Handle copies between general
9995 and floating registers.
9997 2006-01-10 Stuart Hastings <stuart@apple.com>
9999 * config/i386/i386.md (set_got): Update.
10000 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10001 (builtin_setjmp_receiver): Mach-O support.
10002 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10003 (GOT_SYMBOL_NAME): Define.
10004 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10005 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10006 * config/i386/i386.c (override_options): Revise for Darwin.
10007 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10008 support. (darwin_x86_file_end): New. (output_set_got): Add label
10009 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10010 * config/i386/i386-protos.h (output_set_got): Likewise.
10011 * config/darwin.c (machopic_legitimize_pic_address): Update
10014 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10016 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10017 when MODE isn't BLKmode.
10019 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10021 PR rtl-optimization/25367
10022 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10024 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10027 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10028 for a negative bound.
10030 2006-01-10 Richard Guenther <rguenther@suse.de>
10032 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10033 Never override with anything constraint.
10035 2006-01-10 Jan Beulich <jbeulich@novell.com>
10037 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10038 256 bits when optimize_size.
10040 2006-01-10 Jan Beulich <jbeulich@novell.com>
10042 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10044 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10045 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10048 2006-01-10 Ben Elliston <bje@au.ibm.com>
10050 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10052 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10053 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10054 (USE_FP_FOR_ARG): Reject decimal float modes.
10055 (function_arg_advance): Likewise.
10056 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10057 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10058 point types in AltiVec vectors.
10059 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10060 (rs6000_libcall_value): Likewise.
10062 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10064 * config/xtensa/ieee754-df.S: New file.
10065 * config/xtensa/ieee754-sf.S: New file.
10066 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10067 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10068 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10070 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10072 * config/sh/predicates.md (binary_float_operator,
10073 binary_logical_operator, commutative_float_operator,
10074 equality_comparison_operator, greater_comparison_operator,
10075 less_comparison_operator, logical_operator,
10076 noncommutative_float_operator, shift_operator,
10077 symbol_ref_operand, unary_float_operator): Remove redundant
10080 2006-01-09 Jeff Law <law@redhat.com>
10082 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10083 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10084 now unused arguments. Callers updated.
10085 (eliminate_redundant_computations): Remove now unused arguments,
10087 (local_fold): Remove, no longer used.
10088 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10090 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10091 (simplify_cond): New function.
10092 (forward_propagate_into_cond): Call simplify_cond.
10094 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10096 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10097 (*vec_extractv2di_1_sse): New.
10099 2006-01-09 Ben Elliston <bje@au.ibm.com>
10101 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10103 2006-01-08 Richard Guenther <rguenther@suse.de>
10105 * tree-ssa-structalias.c (get_constraint_for): Remove
10106 anyoffset argument.
10107 (get_constraint_for_component_ref): Likewise.
10108 (do_deref): Likewise.
10109 (get_constraint_for): Likewise.
10110 (do_structure_copy): Likewise.
10111 (handle_ptr_arith): Likewise.
10112 (find_func_aliases): Likewise. Remove unused need_anyoffset
10115 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10116 Kaz Kojima <kkojima@gcc.gnu.org>
10118 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10119 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10120 (EXTRA_CONSTRAINT_C16): Remove.
10121 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10122 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10123 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10124 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10125 constants of SHmedia. Handle nested constant expressions of
10127 (andcosts): Fix the costs for SHmedia constants.
10128 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10129 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10130 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10131 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10132 (movv4hi_i, movv2si_i): Likewise.
10133 (movsi_const): Adjust the second operand of ior so to match with
10134 the Csu constraint.
10135 (movdi_const, movdi_const_32bit): Likewise.
10136 (movdi_const_16bit+1): Don't sign-extend LOW.
10137 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10139 (*double_shori): Fix the split condition. Use GEN_INT instead
10140 of get_int_mode calls. Mask lower 16-bit of the argument of
10142 (sym2GOTPLT): Remove.
10143 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10145 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10146 instead of EXTRA_CONSTRAINT_C16.
10148 2006-01-07 Ian Lance Taylor <ian@airs.com>
10149 David Edelsohn <edelsohn@gnu.org>
10151 PR rtl-optimization/25662
10152 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10153 for constant operands instead of simplify_gen_binary.
10154 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10155 after trying simplify_binary_operation
10157 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10159 * tree.c (iterative_hash_expr): Hash decls based on UID.
10161 2006-01-06 Eric Christopher <echristo@apple.com>
10163 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10164 (TARGET_UNWIND_EMIT): Fix spelling.
10165 * target.h (gcc_target): Add except_table_label.
10166 * except.c (output_function_exception_table): Use.
10167 * varasm.c (default_emit_except_table_label): New.
10168 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10170 (asm_out): Add here.
10171 * output.h (default_emit_except_table_label): Prototype.
10172 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10173 * config/darwin.c (darwin_emit_except_table_label): Define.
10174 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10176 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10178 PR tree-optimization/18527
10179 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10180 number_of_iterations_special, number_of_iterations_exit):
10181 Move base and step of an iv to a single structure. Add
10182 no_overflow flag, and use it in # of iterations analysis.
10183 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10184 folded_casts argument.
10185 (simple_iv): Pass base and step in a structure. Set no_overflow
10187 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10188 Evaluate expensiveness of computing # of iterations instead of
10189 the final expression.
10190 * tree-scalar-evolution.h (affine_iv): New structure.
10191 (simple_iv): Declaration changed.
10192 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10193 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10194 find_givs_in_stmt): Changed due to simple_iv change.
10196 2006-01-06 Jeff Law <law@redhat.com>
10199 * tree-cfg.c (bsi_replace): Rename final argument from
10200 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10201 change (stmt -> orig_stmt).
10202 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10203 (bsi_remove): Add new argument. Remove EH information
10205 (verify_eh_throw_table_statements): New function.
10206 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10208 * tree-optimize.c (execute_free_cfg_annotations): Verify
10209 the EH throw statement table after removing annotations.
10210 * except.h (verify_eh_throw_table_statements): Prototype.
10211 * tree-flow.h (bsi_remove): Update prototype.
10212 * tree-vrp.c (remove_range_assertions): Add new argument to
10214 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10215 * tree-complex.c (expand_complex_div_wide): Likewise.
10216 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10217 * tree-tailcall.c (eliminate_tailcall): Likewise.
10218 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10219 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10220 * tree-nrv.c (tree_nrv): Likewise.
10221 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10222 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10223 (combine_blocks): Likewise.
10224 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10225 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10226 (cleanup_control_flow): Likewise.
10227 (remove_forwarder_block): Likewise.
10228 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10229 * tree-sra.c (sra_replace): Likewise.
10230 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10231 (forward_propagate_single_use_vars): Likewise.
10232 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10233 * tree-inline.c (expand_call_inline): Likewise.
10234 * tree-vect-transform.c (vect_transform_loop): Likewise.
10235 * tree-outof-ssa.c (rewrite_trees): Likewise.
10236 * tree-cfg.c (make_goto_expr_edges): Likewise.
10237 (cleanup_dead_labels): Likewise.
10238 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10239 (bsi_move_before, bsi_move_after): Likewise.
10240 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10241 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10243 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10246 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10248 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10249 on non gimple variables. Also add checks at the top for decls and
10251 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10253 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10254 and IMAGPART_EXPR for creating MUST_DEFs.
10255 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10256 and NAME_MEMORY_TAG separately from the DECLs.
10258 2006-01-06 Richard Guenther <rguenther@suse.de>
10260 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10261 annotation, if necessary.
10262 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10263 redundant calls to update_stmt.
10264 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10267 2006-01-05 Richard Henderson <rth@redhat.com>
10269 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10271 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10273 * c-typeck.c: Update copyright date.
10275 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10277 * c-typeck.c (build_c_cast): Always warn when casting
10278 from a pointer to an integer of different size, even if
10279 the node was constant.
10281 2006-01-05 Richard Guenther <rguenther@suse.de>
10283 PR tree-optimization/22555
10284 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10285 if one structure field is an array.
10286 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10287 operands even if we found a subvar, but ignore VOPs in this
10289 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10291 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10293 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10295 PR middle-end/24998
10296 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10298 2006-01-05 Richard Guenther <rguenther@suse.de>
10299 Diego Novillo <dnovillo@redhat.com>
10301 * tree-pass.h (TODO_remove_unused_locals): Define.
10302 * gimple-low.c (expand_var_p, remove_useless_vars,
10303 pass_remove_useless_vars): Remove. Update all users.
10304 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10305 (remove_unused_locals): New function.
10306 * tree-flow.h (remove_unused_locals): Declare.
10307 * passes.c (execute_todo): Call remove_unused_locals if
10308 TODO_remove_unused_locals is set.
10309 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10310 * tree-ssa-dce.c (pass_dce): Likewise.
10311 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10313 2006-01-05 Richard Guenther <rguenther@suse.de>
10315 * tree-flow.h (struct fieldoff): Decompose field to
10316 type, size and decl.
10317 * tree-ssa-alias.c (create_sft): Take type as parameter.
10318 (create_overlap_variables_for): Store type, size and decl
10319 in the fieldoff structure.
10320 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10321 of struct fieldoff.
10322 (push_fields_onto_fieldstack): Likewise.
10323 (create_variable_info_for): Likewise. Use offset for the
10324 SFT name if the decl is not available.
10326 2006-01-04 Paul Brook <paul@codesourcery.com>
10328 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10330 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10332 * lambda-code.c (can_put_in_inner_loop): Relax
10334 (can_put_after_inner_loop): New function.
10335 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10336 (perfect_nestify): Change to make copies and modify uses.
10338 2006-01-04 Richard Henderson <rth@redhat.com>
10340 Merge from gomp branch:
10341 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10342 via integer constant.
10343 (pragma_lex): Remove.
10344 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10345 rather than parsing it.
10346 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10347 handle_pragma_extern_prefix): Add %< %> quotes.
10348 (registered_pragmas): New.
10349 (c_register_pragma_1): New.
10350 (c_register_pragma): Use it.
10351 (c_register_pragma_with_expansion): Likewise.
10352 (c_invoke_pragma_handler): New.
10353 (init_pragma): Use cpp_register_deferred_pragma directly for
10355 * c-pragma.h (enum pragma_kind): New.
10356 (pragma_handler): New.
10357 (c_invoke_pragma_handler): Declare.
10358 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10360 * c-common.h (c_common_pch_pragma): Update decl.
10361 * Makefile.in (c-parser.o): Update dependencies.
10362 (GTFILES): Add c-pragma.h.
10363 * c-parser.c (struct c_token): Add pragma_kind.
10364 (struct c_parser): Add in_pragma.
10365 (c_lex_one_token): Always initialize keyword and pragma_kind.
10366 Extract data for CPP_PRAGMA.
10367 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10368 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10369 Don't allow CPP_PRAGMA_EOL if in_pragma.
10370 (c_parser_consume_pragma): New.
10371 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10372 (c_parser_skip_to_end_of_parameter): Likewise.
10373 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10374 (c_parser_skip_to_pragma_eol): New.
10375 (c_parser_external_declaration): Handle CPP_PRAGMA.
10376 (c_parser_compound_statement_nostart): Likewise.
10377 (c_parser_statement_after_labels): Likewise.
10378 (c_parser_pragma): New.
10379 (pragma_lex): Likewise.
10380 (c_parser_pragma_pch_preprocess): New.
10381 (c_parser_new): Merge into ...
10382 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10384 2006-01-04 Jeff Law <law@redhat.com>
10387 * tree-cfg.c (bsi_replace): Remove the original statement
10388 from the EH throw statement table.
10390 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10392 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10393 make the prototype extern "C" and add throw ().
10396 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10397 and pos non-negative and pos + len <= 32.
10398 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10399 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10400 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10403 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10404 as well as sizes not multiple of component size.
10407 * function.c (instantiate_expr): New function.
10408 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10409 walk its DECL_VALUE_EXPR with instantiate_expr.
10411 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10412 DW_OP_deref{,_size} if address isn't going to be added.
10414 2006-01-04 Ben Elliston <bje@au.ibm.com>
10416 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10417 * config/fp-bit.c: Likewise.
10419 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10421 * dominance.c: Add comment about why we use DFS numbering
10424 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10425 Richard Henderson <rth@redhat.com>
10427 Merge from gomp-branch:
10428 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10429 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10431 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10433 PR rtl-optimization/25578
10434 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10435 pass a parameter to simplify_shift_const if changing ASHIFTRT
10438 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10440 * builtins.c (get_builtin_sync_mem): New function.
10441 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10442 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10443 Call get_builtin_sync_mem to generate mem rtx.
10445 2006-01-03 Richard Guenther <rguenther@suse.de>
10448 * stmt.c (add_case_node): Make sure to clear overflow flags
10451 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10453 Merge from gomp-branch.
10454 * config/sparc/sync.md: New file.
10455 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10456 UNSPECV_LDSTUB): New constants.
10457 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10458 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10459 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10462 2006-01-03 Roger Sayle <roger@eyesopen.com>
10464 * combine.c (reg_subword_p): New predicate to test whether the
10465 destination of a set refers to a subword/piece of a register.
10466 (try_combine): Generalize the code to merge the setting of a
10467 pseudo to a constant followed by a set of a subword of that
10468 register to a constant.
10470 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10472 * basic-block.h (control_flow_graph): Change the type of
10473 x_label_to_block_map to VEC(basic_block,gc) *.
10474 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10475 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10477 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10478 VEC(basic_block,heap) *.
10479 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10480 ssa_prop_fini): Adjust the uses of cfg_blocks.
10482 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10484 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10486 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10487 hashing trees instead of a pointer hash.
10488 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10489 compare for MEM_EXPR.
10491 PR rtl-optimization/25130
10492 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10493 when comparing MEMs for GCSE
10495 2006-01-03 Ben Elliston <bje@au.ibm.com>
10497 * targhooks.h (default_decimal_float_supported_p): Declare.
10498 * targhooks.c (default_decimal_float_supported_p): Define.
10499 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10500 `default_decimal_float_supported_p'.
10501 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10503 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10505 * combine.c (apply_distributive_law <SUBREG>): Check
10506 TRULY_NOOP_TRUNCATION.
10508 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10510 * dwarf2out.c (have_switched_text_section): Delete.
10511 (have_multiple_function_sections): New.
10512 (have_location_lists): Make 'bool'.
10513 (add_AT_loc_list): Use 'true' not '1'.
10514 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10515 (output_loc_list): Use have_multiple_function_sections.
10516 (output_ranges): Likewise.
10517 (dwarf2out_begin_function): Set have_multiple_function_sections if
10519 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10520 Check function_section rather than DECL_SECTION_NAME.
10521 (dwarf2out_finish): Use have_multiple_function_sections.
10522 Don't clear have_location_lists.
10524 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10525 Jan Hubicka <jh@suse.cz>
10527 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10528 case of conditional jump jumping to the next instruction.
10529 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10530 cases of conditional jump jumping to the next instruction.
10532 2006-01-02 Jan Hubicka <jh@suse.cz>
10534 * i386.c (*_cost): Add COSTS_N_INSNS.
10535 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10537 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10540 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10542 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10544 * config/arm/arm.c (all_fpus): Fix comment typo.
10545 * config/darwin.c: Likewise.
10546 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10547 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10548 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10550 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10552 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10553 (rs6000_split_compare_and_swapqhi): New.
10554 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10555 (sync_compare_and_swapqhi_internal): New.
10556 * config/rs6000/rs6000-protos.h: Declare.
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