1 2006-05-10 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/27302
4 * fold-const.c (operand_equal_p): For two comparisons,
5 try comparison of one comparison code swapped if that yields
8 2006-05-10 Ben Elliston <bje@au.ibm.com>
10 * tree-pretty-print.c (pretty_print_string): No need to handle
11 '\0' as a special character.
13 * tree.h: Include "hashtab.h".
14 (iterative_hash_expr): Use hashval_t in its prototype.
15 * Makefile.in (TREE_H): Add $(HASHTAB_H).
17 2006-05-09 Steve Ellcey <sje@cup.hp.com>
20 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
21 (hppa*64*-*-hpux11*): Ditto.
22 (hppa[12]*-*-hpux11*): Ditto.
24 2006-05-09 David Edelsohn <edelsohn@gnu.org>
27 * config/rs6000/aix41.h (TARGET_64BIT): Define.
29 2006-05-09 Michael Matz <matz@suse.de>
31 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
32 host_extra_gcc_objs and host_xmake_file.
33 (<*-*-linux*>): Don't overwrite host_xmake_file.
34 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
35 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
36 (host_detect_local_cpu): Declare.
37 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
38 * config/i386/i386.c (override_options): Handle -mtune=native
40 * config/i386/x-i386: New file.
41 * config/i386/driver-i386.c: New file.
42 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
45 2006-05-09 Dirk Mueller <dmueller@suse.de>
46 Richard Guenther <rguenther@suse.de>
49 * fold-const.c (fold_read_from_constant_string): Relax check
50 for matching types to matching modes.
52 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
54 PR rtl-optimization/27335
55 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
58 2006-05-08 Chao-ying Fu <fu@mips.com>
59 Richard Sandiford <richard@codesourcery.com>
61 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
62 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
63 * config/mips/mips.md (UNSPEC_SCC): New constant.
64 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
65 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
66 (mips_emit_compare): Use it.
67 (mips_expand_vcondv2sf): New function.
69 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
71 Fix PR tree-optimization/27093
72 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
73 renaming when they become not-used_alone.
75 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
77 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
78 relocation and relocation stubs.
80 2006-05-08 Eric Christopher <echristo@apple.com>
82 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
85 2006-05-08 Jan Hubicka <jh@suse.cz>
88 * cgraphunit.c (decide_is_function_needed): When not optimizing even
89 unused static functions are needed.
91 2006-05-08 Roger Sayle <roger@eyesopen.com>
94 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
95 of a reg_equiv_constant if the result is a legitimate constant.
97 2006-05-08 Uros Bizjak <uros@kss-loka.si>
100 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
101 standard 80387 constants, raise the cost to prevent
102 compress_float_constant() to generate load from memory.
104 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
106 * config/arm/constraints.md (c): Fix a typo.
108 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
111 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
114 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
116 (_mm_mwait): Likewise.
118 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
120 (sse3_monitor): Make it 32bit only.
121 (sse3_monitor64): New. 64bit monitor.
123 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
126 * config/i386/i386.c (classify_argument): Skip fields with invalid
129 2006-05-07 Richard Guenther <rguenther@suse.de>
131 PR tree-optimization/27409
132 * tree-ssa-structalias.c (get_constraint_for_component_ref):
133 Do not try to find zero-sized subvars.
135 2006-05-07 Richard Guenther <rguenther@suse.de>
137 PR tree-optimization/27136
138 * tree-ssa-loop-niter.c (get_val_for): Correct function
139 comment, assert requirements.
140 (loop_niter_by_eval): Stop processing if the iterated
141 value did not simplify.
143 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
145 * opts.c (flag_see): remove its setting at -O3.
147 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
149 * genpeep.c (main): Make insn-peep.c depend on flags.h.
150 * arm/constraints.md: New file.
151 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
152 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
153 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
154 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
155 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
156 (EXTRA_MEMORY_CONSTRAINT): Likewise.
157 * arm.md: Include constraints.md.
158 (thumb_movsi_insn): Use satisfies_constraint_J.
159 (movhi, movqi): Use satisfies_constraint_I.
161 2006-04-29 Anatoly Sokolov <aesok@post.ru>
163 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
164 for atmeg a645 device.
166 2006-05-06 Richard Guenther <rguenther@suse.de>
168 PR tree-optimization/27151
169 * tree-vect-transform.c (vectorizable_condition): Punt on
170 values that have a different type than the condition.
172 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
175 * c-parser.c (c_parser_cast_expression): Only insert casts into
176 hash table if pointer.
177 * function.c (used_types_insert_helper): Rename from
179 (used_types_insert): Call used_types_insert_helper.
180 * function.h (used_types_insert): Accept only one argument.
182 2006-05-05 David Edelsohn <edesohn@gnu.org>
184 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
185 scratch with output modifier.
187 2006-05-04 David Edelsohn <edelsohn@gnu.org>
190 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
191 with output modifier.
193 2006-05-04 Richard Sandiford <richard@codesourcery.com>
196 * config/mips/mips.c (mips_symbolic_address_p): Return true
197 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
198 SYMBOL_GOTTPREL, and SYMBOL_TLS.
200 2006-05-04 Richard Guenther <rguenther@suse.de>
202 PR tree-optimization/14287
203 PR tree-optimization/14844
204 PR tree-optimization/19792
205 PR tree-optimization/21608
206 PR tree-optimization/27090
207 * tree-ssa-pre.c (try_combine_conversion): New function.
208 (compute_avail): After constructing the value-handle
209 expression, use try_combine_conversion to combine NOP_EXPRs
210 with previous value-handle expressions and use the result if it
213 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
215 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
217 2006-05-04 Jan Hubicka <jh@suse.cz>
220 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
222 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
224 * config/bfin/predicates.md (const01_rtx): Tell generator programs
225 that this only matches CONST_INTs. All users changed to VOIDmode
228 * config/bfin/bfin.c: Include "optabs.h".
229 (bfin_rtx_costs): Some costs for vector operations, to allow combine
231 (enum bfin_builtins): Add a number of fractional and vector builtins.
232 (bfin_init_builtins): Likewise.
233 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
234 (safe_vector_operand, bfin_expand_binop_builtin,
235 bfin_expand_unop_builtin): New functions.
236 (bfin_expand_builtin): Handle the new builtins.
237 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
240 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
243 * Makefile.in (OBJS-common): Add see.o.
244 (see.o): Add dependencies.
245 * common.opt (fsee): New flag for the see optimization was added.
246 * opts.c (flag_see): Initialized.
247 * passes.c (init_optimization_passes, pass_see): New pass.
248 * rtl.h (see_main): Declaration as extern.
249 * timevar.def (TV_SEE): New.
250 * tree-pass.h (pass_see): Declaration as extern.
251 * invoke.texi (-fsee): Document.
252 * recog.c (validate_simplify_insn): New function.
253 * recog.h (validate_simplify_insn): Declaration as extern.
254 * df-problems.c (df_chain_dump): Check for NULL.
256 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
257 Daniel Berlin <dberlin@dberlin.org>
259 * cfgrtl.c (insert_insn_bb_end_new): New function.
260 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
262 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
264 * df.h (struct web_entry): Moved from web.c.
265 (union_defs): Declaration as extern.
266 (unionfind_root): Likewise.
267 (unionfind_union): Likewise.
268 * web.c (struct web_entry): Moved to df.h.
269 (unionfind_root): Remove static declaration.
270 (unionfind_union): Likewise.
271 (union_defs): Likewise and generalize to use callback function.
272 (web_main): Update arguments for union_defs function call.
274 2006-05-04 Richard Guenther <rguenther@suse.de>
276 PR tree-optimization/26447
277 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
278 produce SSA_NAME copies before the store stmt to avoid
279 breaking exception handling.
281 2006-05-04 Jakub Jelinek <jakub@redhat.com>
284 * gimplify.c (omp_is_private): If var is shared in some outer context,
285 return false instead of true. Stop searching on parallel context
288 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
291 * coverage.c: Use get_gcov_unsigned_t() instead of
292 unsigned_type_node all over.
294 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
296 PR tree-optimization/27381
297 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
298 maintain the same immediate_use links.
299 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
300 node rather than segfaulting.
302 2006-05-03 Jakub Jelinek <jakub@redhat.com>
305 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
306 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
307 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
309 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
311 Fix PR tree-optimization/26626
312 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
314 * tree-ssa-operands.c (access_can_touch_variable): Allow
315 typecasting through union pointers.
317 2006-05-02 Jakub Jelinek <jakub@redhat.com>
320 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
321 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
322 to find if var will be a global variable even in the nested context.
323 (omp_copy_decl): Only check for global variable at the end, it might
324 be overridden in outer contexts.
325 (scan_sharing_clauses): For global variables don't create a field.
326 (lower_rec_input_clauses): Do nothing for global shared variables.
327 Emit a barrier at the end of ILIST if there were any decls in both
328 firstprivate and lastprivate clauses.
329 (lower_send_clauses): Do nothing for global variables except for
332 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
334 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
335 of the correct signedness is returned.
337 2006-05-02 Jeff Law <law@redhat.com>
339 PR tree-optimization/27364
340 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
341 multiply expressions.
343 2006-05-02 Tom Tromey <tromey@redhat.com>
345 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
347 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
350 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
351 -mthumb -fPIC are used.
353 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
354 Joshua Kinard <kumba@gentoo.org>
357 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
358 with 64-bit pointers.
360 2006-05-02 Paul Brook <paul@codesourcery.com>
362 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
364 (create_fix_barrier): Check that a suitable barrier location is
366 (arm_reorg): Include ftmp->address in allowable range of addresses.
368 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
371 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
374 2006-05-02 Jakub Jelinek <jakub@redhat.com>
377 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
378 around RESULT_DECL for result passed by reference.
379 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
380 * omp-low.c (use_pointer_for_field): Don't look at
381 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
382 (scan_omp_1): Call remap_decl on RESULT_DECLs.
383 (lower_rec_input_clauses): Don't allocate VLA memory for the second
384 time or var for passing by reference for
385 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
386 TREE_ADDRESSABLE variables when passing by reference.
388 * omp-low.c (dump_omp_region): Fix output formatting.
391 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
392 (expand_omp_parallel): Likewise.
393 * tree-cfg.c (move_sese_region_to_fn): Likewise.
396 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
397 on statement list containing also constructors and destructors.
398 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
401 * except.c (duplicate_eh_regions): Fix clearing of
402 cfun->eh->region_array entries.
404 2006-05-01 DJ Delorie <dj@redhat.com>
406 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
408 (gcc_cv_objdump): Likewise.
409 * configure: Regenerated.
411 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
414 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
415 templates for case 3 and 4.
417 2006-05-01 DJ Delorie <dj@redhat.com>
419 * vec.c: Include bconfig.h when appropriate.
420 * Makefile.in (build/vec.o): Adjust dependencies.
421 * mkconfig.sh: Make sure config.h isn't used for build machine
424 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
426 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
428 (mark_phi_for_rewrite): New function.
429 (insert_phi_nodes_for, mark_use_interesting): Call
430 mark_phi_for_rewrite.
431 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
432 (update_ssa): Initialize and free phis_to_rewrite.
434 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
436 PR rtl-optimization/27291
437 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
438 folded to a constant.
440 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
442 PR tree-optimization/27283
443 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
444 not whole # of iteration descriptions.
445 (niter_for_exit): Return just # of iterations. Fail if # of iterations
446 uses abnormal ssa name.
447 (niter_for_single_dom_exit): Ditto.
448 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
449 return just the number of iterations.
451 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
453 PR tree-optimization/27144
454 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
455 (record_estimate): Only record constant upper bound.
456 (infer_loop_bounds_from_undefined): Call
457 compute_estimated_nb_iterations just once.
458 (proved_non_wrapping_p): Renamed to ...
459 (n_of_executions_at_most): ... this. Expect bound to be a constant.
460 (convert_step_widening, scev_probably_wraps_p): Call
461 n_of_executions_at_most instead of proved_non_wrapping_p.
462 (substitute_in_loop_info): Do not replace values in bounds.
463 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
466 2006-05-01 Richard Henderson <rth@redhat.com>
469 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
470 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
473 2006-05-01 Roger Sayle <roger@eyesopen.com>
475 * c-typeck.c (parser_build_binary_op): Don't call the function
476 unsigned_conversion_warning to spot operand/result type overflow.
477 (build_binary_op): Instead, call convert_and_check instead of
478 convert to report the problem when the operands are promoted.
479 * c-common.c (unsigned_conversion_warning): Make static.
480 * c-common.h (unsigned_conversion_warning): Delete prototype.
482 2006-05-01 Richard Guenther <rguenther@suse.de>
484 PR tree-optimization/26726
485 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
487 (find_interesting_uses_address): ... we work around here
488 by folding INDIRECT_REFs in the substituted base.
490 2006-05-01 Diego Novillo <dnovillo@redhat.com>
492 * omp-low.c (dump_omp_region): Add newlines.
494 2006-04-30 Roger Sayle <roger@eyesopen.com>
496 * common.opt (Woverflow): New command line option.
497 * c-common.c (constant_expression_warning): Check warn_overflow.
498 (overflow_waring): Pass OPT_Woverflow to warning.
499 (unsigned_conversion_warning): Likewise.
500 (convert_and_check): Likewise.
501 * doc/invoke.texi: Document new command line option.
503 2006-04-30 David Edelsohn <edelsohn@gnu.org>
505 * config/rs6000/rs6000.c (rs6000_override_options): Enable
506 TARGET_NO_FP_IN_TOC for section anchors.
507 (optimization_options): Enable section anchors for all
508 non-"Objective" languages.
510 2006-04-28 Eric Christopher <echristo@apple.com>
512 * config/darwin-c.c (darwin_ms_struct): Move this
513 (darwin_set_default_type_attributes): and this...
514 * config/darwin.c: ... here.
515 * config/darwin.h (darwin_ms_struct): Declare.
517 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
519 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
521 2006-04-28 Roger Sayle <roger@eyesopen.com>
524 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
525 (push_array_bounds): Delete prototype. Change BOUNDS argument to
526 an unsigned HOST_WIDE_INT.
527 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
529 (really_start_incremental_init): No need to call convert because
530 bitsize_zero_node is already of type bitsizetype.
531 (push_init_level): Extract the value of constructor_index as an
532 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
533 (process_init_element): Likewise.
535 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
537 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
538 value before passing to make_relative_prefix.
540 2006-04-28 Alan Modra <amodra@bigpond.net.au>
543 * builtins.c (expand_builtin_memset): Expand val in original mode.
545 2006-04-27 Eric Christopher <echristo@apple.com>
547 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
549 * config/darwin-c.c (darwin_ms_struct): New.
550 (darwin_pragma_ms_struct): Ditto.
551 (darwin_set_default_type_attributes): Ditto.
552 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
553 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
554 Register ms_struct pragma.
555 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
556 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
557 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
558 darwin_set_default_type_attributes if TARGET_MACHO.
560 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
562 PR tree-optimization/26854
563 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
564 * doc/tree-ssa.texi: Update immuse iterator documentation.
565 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
566 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
567 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
568 first_safe_imm_use, next_safe_imm_use): Remove.
569 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
570 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
571 (move_use_after_head): New. Helper function to sort immuses in a stmt.
572 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
573 (first_imm_use_stmt): New. Get first stmt in an immuse list.
574 (next_imm_use_stmt): New. Get next stmt in an immuse list.
575 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
576 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
577 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
578 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
579 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
580 (perfect_nestify): Use new iterator.
581 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
583 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
584 (next_imm_name): New field in struct immediate_use_iterator_d.
585 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
586 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
587 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
588 * tree-cfg.c (replace_uses_by): Use new iterator.
589 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
590 * tree-ssa-operands.c (correct_use_link): Remove.
591 (finalize_ssa_use_ops): No longer call correct_use_link.
593 2006-04-27 Stuart Hastings <stuart@apple.com>
595 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
596 * config/t-darwin (crt3.o): Use it.
597 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
598 'pmode', use Pmode instead of SImode for SYMBOL_REF.
599 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
600 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
601 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
604 2006-04-27 Roger Sayle <roger@eyesopen.com>
606 * expmed.c (store_fixed_bit_field): If we're not optimizing for
607 size, force the intermediate into a new pseudo rather instead of
608 performing both a bitwise AND and a bitwise IOR in memory.
610 2006-04-27 Richard Guenther <rguenther@suse.de>
612 PR rtl-optimization/26685
613 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
614 this one "max-flow-memory-locations".
616 2006-04-27 Richard Guenther <rguenther@suse.de>
618 PR tree-optimization/25148
619 * tree-vrp.c (compare_values): Remove code dealing with
620 comparisons against type min/max value. Honour overflow
621 and negative constants in code dealing with comparisons
622 of plus and minus expressions.
623 (value_inside_range): Use fold_binary with LE_EXPR and
624 GE_EXPR rather than compare_values.
626 2006-04-27 Dirk Mueller <dmueller@suse.de>
628 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
631 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
633 * basic-block.h (safe_insert_insn_on_edge): Removed.
634 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
636 2006-04-26 David Edelsohn <edelsohn@gnu.org>
637 Paolo Bonzini <bonzini@gnu.org>
640 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
641 (simplify_and_const_int): Same.
643 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
645 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
647 2006-04-26 Jakub Jelinek <jakub@redhat.com>
650 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
651 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
652 cgraph_global_info_ready.
655 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
658 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
659 either decl or init is error_mark_node.
662 * tree-flow.h (struct omp_region): Add sched_kind.
663 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
664 instead of extracting omp for data.
665 (expand_omp_for): Save extracted sched_kind.
667 2006-04-25 Roger Sayle <roger@eyesopen.com>
669 * expmed.c (store_bit_field): Also check whether the bitsize is
670 valid for the machine's "insv" instruction before moving the
671 target into a pseudo for use with the insv.
672 * config/i386/predicates.md (const8_operand): New predicate.
673 * config/i386/i386.md (extv, extzv, insv): Use the new
674 const8_operand predicate where appropriate.
676 2006-04-25 DJ Delorie <dj@redhat.com>
678 * doc/install.texi (Specific): Clarify that this is not a list of
679 supported hosts or targets.
681 2006-04-25 Richard Sandiford <richard@codesourcery.com>
683 PR rtl-optimization/26725
684 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
685 block's BB_DIRTY flag.
687 2006-04-25 Geoffrey Keating <geoffk@apple.com>
689 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
692 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
695 2006-04-25 David Edelsohn <edelsohn@gnu.org>
697 * varasm.c (align_variable): New function.
698 (get_block_for_decl): Apply align_variable to DECL before
699 calculating section information.
700 (assemble_variable): Split out alignment computation.
702 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
704 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
707 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
709 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
710 MODE_PARTIAL_INT mode.
711 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
712 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
714 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
715 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
717 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
719 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
721 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
722 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
723 MACFLAG_IH): Likewise.
724 (movstricthi_1): Renamed from "*movstricthi".
725 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
726 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
727 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
728 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
729 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
730 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
731 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
732 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
733 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
734 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
735 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
736 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
737 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
738 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
739 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
741 * doc/rtl.texi (ss_ashift): Improve wording.
743 2006-04-24 Geoffrey Keating <geoffk@apple.com>
745 * dwarf2out.c (verify_marks_clear): New.
746 (prune_unused_types): Call verify_marks_clear initially, not
749 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
751 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
752 * doc/rtl.texi: Document them.
753 * simplify-rtx.c (simplify_unary_operation,
754 simplify_binary_operation_1): Don't abort when we see them.
756 2006-04-24 Mark Mitchell <mark@codesourcery.com>
759 2006-04-23 Mark Mitchell <mark@codesourcery.com>
760 * configure.ac: Completely disregard languages that are not
762 * configure: Regenerated.
764 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
765 Richard Guenther <rguenther@suse.de>
767 PR tree-optimization/27236
768 * tree-inline.c (copy_body_r): Make sure to copy
769 TREE_THIS_VOLATILE flag.
771 2006-04-24 Richard Guenther <rguenther@suse.de>
774 * tree-complex.c (update_parameter_components): Don't handle
775 unused parameters which have no default def.
777 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
778 Richard Guenther <rguenther@suse.de>
780 PR tree-optimization/27218
781 * tree-inline.c (expand_call_inline): Strip useless type
782 conversions for the return slot address.
784 2006-04-24 Richard Guenther <rguenther@suse.de>
786 * cfgloop.h (struct loops): Remove unused field array. Reorder
788 (LOOP_PREFETCH): Remove.
790 2006-04-24 Richard Guenther <rguenther@suse.de>
792 PR tree-optimization/22525
793 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
794 variable, adjust types of generated expressions.
796 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
798 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
799 (tree-vect-patterns.o): Likewise.
801 (cselib.o): Likewise.
802 (loop-doloop.o): Likewise.
803 (regclass.o): Likewise.
804 (reload1.o): Likewise.
805 (explow.o): Replace target.h with $(TARGET_H).
806 (ipa-prop.o): Likewise.
807 (ipa-cp.o): Likewise.
808 (ipa-inline.o): Likewise.
810 (reg-stack.o): Likewise.
812 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
814 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
816 2006-04-23 Mark Mitchell <mark@codesourcery.com>
818 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
820 * configure.ac: Completely disregard languages that are not
822 * configure: Regenerated.
825 * c-common.h (c_build_bitfield_integer_type): Declare.
826 * c-decl.c (c_build_bitfield_integer_type): Move to ...
827 * c-common.c (c_build_bitfield_integer_type): ... here.
829 2006-04-23 Roger Sayle <roger@eyesopen.com>
832 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
833 a SImode SUBREG of a floating point register after no_new_pseudos.
835 2006-04-23 Roger Sayle <roger@eyesopen.com>
837 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
838 identify potentially eliminable registers to additionally catch
839 VIRTUAL_INCOMING_ARGS_REGNUM.
840 (addsi3): Update the conditions on when to use addsi_small_int.
842 2006-04-23 Roger Sayle <roger@eyesopen.com>
845 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
846 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
847 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
849 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
851 * fold-const.c (range_predecessor): Use operand_equal_p
852 as the predicate for equality.
853 (range_successor): Likewise.
855 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
858 * config/soft-fp/op-common.h: Fix a typo.
860 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
863 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
864 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
866 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
868 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
870 * doc/tm.texi: Fix a typo.
872 2006-04-21 Geoffrey Keating <geoffk@apple.com>
874 * dwarf2out.c (struct die_struct): Document that die_sib makes
875 a circular linked list.
876 (FOR_EACH_CHILD): New.
877 (reverse_die_lists): Delete.
878 (reverse_all_dies): Delete.
879 (add_dwarf_attr): Correct documentation.
880 (remove_child_with_prev): New.
881 (remove_child_TAG): Update for change to die_struct, use
882 remove_child_with_prev.
883 (add_child_die): Update for change to die_struct.
884 (splice_child_die): Use remove_child_with_prev and add_child_die.
885 (print_die): Use FOR_EACH_CHILD.
886 (die_checksum): Likewise.
887 (assign_symbol_names): Likewise.
888 (output_location_lists): Likewise.
889 (build_abbrev_table): Likewise.
890 (calc_die_sizes): Likewise.
891 (mark_dies): Likewise.
892 (unmark_dies): Likewise.
893 (unmark_all_dies): Likewise.
894 (output_die): Likewise.
895 (prune_unused_types_mark): Likewise.
896 (prune_unused_types_walk): Likewise.
897 (same_die_p): Update for change to die_struct.
898 (break_out_includes): Likewise.
899 (prune_unused_types_prune): Likewise.
900 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
901 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
903 (dwarf2out_finish): Don't call reverse_all_dies.
905 2006-04-21 Eric Christopher <echristo@apple.com>
907 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
908 in comments and function names.
910 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
913 * c-typeck.c (digest_init): Robustify.
915 * c-typeck.c (pop_init_level): Simplify.
917 2006-04-21 Steve Ellcey <sje@cup.hp.com>
919 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
921 2006-04-21 Paul Brook <paul@codesourcery.com>
923 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
924 hardware floating point.
926 2006-04-21 David Edelsohn <edelsohn@gnu.org>
928 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
931 2006-04-21 Nick Clifton <nickc@redhat.com>
933 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
936 2006-04-21 Alan Modra <amodra@bigpond.net.au>
939 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
940 C++ lang type in traceback table for Objective-C++.
942 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
944 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
946 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
948 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
951 * tree-mudflap.c (mudflap_finish_file): Skip function when there
952 were errors. Remove check for erroneous objects.
954 2006-04-20 Jeff Law <law@redhat.com>
956 PR tree-optimization/26854
957 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
958 checking for zero or one use.
959 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
960 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
961 * tree-ssa-reassoc.c (negate_value): Similarly.
962 (reassociate_bb): Similarly.
964 2006-04-20 Jakub Jelinek <jakub@redhat.com>
966 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
967 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
968 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
970 2006-04-20 Alan Modra <amodra@bigpond.net.au>
972 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
973 fp regs if the last fp arg doesn't fit in regs.
975 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
978 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
979 that the last insn has the REG_INC note.
981 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
982 Nathan Sidwell <nathan@codesourcery.com>
985 * stor-layout.c (update_alignment_for_field): Do not align
987 (place_union_field): Place union field at the start of the union.
988 (place_field): Move ERROR_MARK check later, and use the current
989 allocation position to maintain monotonicity.
991 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
993 * dominance.c: Include timevar.h.
994 (calculate_dominance_info): Use TV_DOMINANCE.
995 * timevar.def (TV_DOMINANCE): New timevar.
996 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
998 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1000 PR rtl-optimization/14261
1001 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1002 move would be an INSV insn.
1003 (noce_process_if_block): Don't optimize if the destination is a
1004 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1006 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1008 * config/s390/s390.md: Add comments with the instructions emitted
1009 by an insn pattern if macros are used.
1011 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1013 PR rtl-optimization/26026
1014 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1015 is a known power of two shifted left a variable amount.
1017 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1019 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1020 to hash table twice when the debug_str section has SECTION_MERGE.
1022 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1024 * config/soft-fp: New directory. From glibc.
1025 * config/soft-fp/t-softfp: New.
1026 * config/soft-fp/README: New.
1027 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1028 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1029 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1030 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1031 * config.gcc: Use rs6000/t-fprules-fpbit or
1032 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1034 * config/rs6000/sfp-machine.h: New. Based on glibc.
1035 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1037 * config/rs6000/t-fprules: Remove fp-bit rules.
1038 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1039 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1040 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1041 (softfp_wrap_start, softfp_wrap_end): New.
1043 2006-04-18 DJ Delorie <dj@redhat.com>
1045 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1047 2006-04-18 Devang Patel <dpatel@apple.com>
1049 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1051 2006-04-18 Nick Clifton <nickc@redhat.com>
1053 * config/sh/t-symbian: Add rule to build sh-c.o
1054 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1055 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1056 (sh_symbian_encode_section_info): Likewise.
1058 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1060 * builtins.c (expand_builtin_strcmp): Cover label definition of
1061 do_libcall with HAVE_cmpstrnsi.
1063 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1065 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1067 * function.h (temp_slot_p): New.
1068 (function): Change the type of x_used_temp_slots to
1069 VEC(temp_slot_p,gc) *.
1071 2006-04-18 Nick Clifton <nickc@redhat.com>
1073 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1074 flag_strength_reduce.
1076 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1078 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1082 Partial revert of revision 112637
1083 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1084 Dale Johannesen <dalej@apple.com>
1087 * regclass.c (struct reg_pref): Update documentation.
1088 (regclass): Set prefclass to NO_REGS if memory is the best option.
1089 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1091 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1093 PR tree-optimization/26821
1094 * tree-ssa-math-opts.c (get_constant_one): New.
1095 (insert_reciprocals): Use it.
1097 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1099 * dwarf2out.c (free_AT): Delete.
1100 (remove_AT): Update string ref counts.
1101 (remove_child_TAG): Don't call free_die.
1103 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1104 or DW_TAG_GNU_EINCL.
1105 (prune_unused_types_walk_attribs): Reset string refcounts.
1106 (prune_unused_types_update_strings): New.
1107 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1108 call free_die. Do call prune_unused_types_update_strings.
1109 (prune_unused_types): Empty debug_str_hash.
1111 2006-04-17 Roger Sayle <roger@eyesopen.com>
1113 * expr.c (expand_assignment): Optimize away no-op moves where the
1114 source and destination are equal and have no side-effects.
1116 2006-04-17 Richard Guenther <rguenther@suse.de>
1119 * reload.c (push_reload): Guard calls to get_secondary_mem
1122 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1124 * alias.c (reg_base_value, old_reg_base_value): Change the
1125 type to VEC(rtx,gc) *.
1126 (REG_BASE_VALUE, find_base_value, record_set,
1127 init_alias_analysis): Use VEC instead of VARRAY.
1129 * alias.c (alias_sets): Change the type to
1130 VEC(alias_set_entry,gc) *.
1131 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1132 VEC instead of VARRAY.
1133 (last_alias_set): Remove.
1135 * cgraph.h (cgraph_edge_p): New.
1136 Update the prototype of cgraph_function_versioning.
1137 * cgraphunit.c (cgraph_copy_node_for_versioning,
1138 cgraph_function_versioning): Use VEC instead of VARRAY.
1139 * ipa-cp.c (ipcp_insert_stage): Likewise.
1141 2006-04-16 Roger Sayle <roger@eyesopen.com>
1144 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1145 "A op B" or "A op C", we may need to convert A to the type of B and C.
1147 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1149 * target.h (struct gcc_target): Add mode_rep_extended.
1150 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1151 (init_num_sign_bit_copies_in_rep): Initialize it using
1153 (truncate_to_mode): Use it.
1154 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1155 * targhooks.h (default_mode_rep_extended): Declare it.
1156 * targhooks.c (default_mode_rep_extended): Define it.
1157 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1158 default_mode_rep_extended.
1159 (TARGET_INITIALIZER): Include it.
1160 * doc/tm.texi (Misc): Document it.
1161 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1162 (mips_truncated_to_mode): New function.
1164 2006-04-16 Roger Sayle <roger@eyesopen.com>
1167 * expr.c (compress_float_constant): Copy the narrow constant into
1168 a new pseudo before extending it to its final width.
1170 2006-04-16 Roger Sayle <roger@eyesopen.com>
1171 Andrew Pinski <pinskia@gcc.gnu.org>
1172 Dale Johannesen <dalej@apple.com>
1175 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1176 special case code to implement V8HImode and V16QImode with SSE2.
1178 2006-04-15 Roger Sayle <roger@eyesopen.com>
1180 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1181 trees are constructed with a suitable tree type.
1183 2006-04-15 Roger Sayle <roger@eyesopen.com>
1185 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1186 (integer_onep): Likewise.
1187 (integer_all_onesp): Likewise.
1188 (integer_pow2p): Likewise.
1189 (integer_nonzerop): Likewise.
1190 (real_zerop): Likewise.
1191 (real_onep): Likewise.
1192 (real_twop): Likewise.
1193 (real_minus_onep): Likewise.
1194 (int_size_in_bytes): Likewise.
1195 (host_integerp): Likewise.
1197 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1199 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1200 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1201 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1203 * tree-ssa-structalias.h (alias_info): Remove num_references.
1205 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1207 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1208 (output_bvb patterns): Likewise.
1209 * pa.c (output_bb): Use 'bb' insn for long branch case.
1210 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1211 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1212 1. Correct length operand for alternatives 1 and 2.
1213 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1214 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1216 2006-04-14 Roger Sayle <roger@eyesopen.com>
1218 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1219 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1220 were accidentally reverted by r112959.
1222 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1225 * except.h (eh_region_outermost): New prototype.
1226 * except.c (eh_region_outermost): New function.
1227 * tree-cfg.c (find_outermost_region_in_block): Use it.
1229 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1231 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1233 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1234 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1235 (init_reload, reload): Use VEC instead of VARRAY.
1236 * reload.h: Update the prototype for
1237 reg_equiv_memory_loc_varray.
1239 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1240 Eric Botcazou <ebotcazou@libertysurf.fr>
1242 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1245 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1248 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1249 to expand fallback builtin function call.
1251 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1254 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1255 and emit libcall here in case the builtin fails.
1256 (expand_builtin_strcmp): Always emit the libcall here on failure.
1258 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1260 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1261 * flow.c (reg_n_info): Change the type to
1262 VEC(reg_info_p,heap) *.
1263 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1265 * regs.h (reg_info_p): New.
1266 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1267 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1268 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1271 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1273 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1275 * params.h (MAX_SCHED_READY_INSNS): New macro.
1276 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1277 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1278 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1279 the ready list for 1 cycle during the first scheduling pass.
1280 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1282 2006-04-13 Richard Henderson <rth@redhat.com>
1285 * gimple-low.c (lower_omp_directive): Remove dead code.
1286 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1287 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1288 * omp-low.c (struct omp_region): Move to tree-flow.h.
1289 (root_omp_region): Export.
1290 (omp_regions, lookup_omp_region): Remove.
1291 (determine_parallel_type): Update for struct omp_region changes.
1292 (dump_omp_region): Dump regions with block numbers.
1293 (new_omp_region): Take type and block instead of stmt; malloc
1295 (free_omp_region_1, free_omp_regions): New.
1296 (expand_parallel_call): Take entry_stmt as argument; update for
1297 changes to omp_region.
1298 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1299 (remove_exit_barriers): New.
1300 (expand_omp_parallel): Update for struct omp_region changes.
1301 (expand_omp_synch): Likewise.
1302 (expand_omp): Likewise.
1303 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1304 (expand_omp_for_static_chunk): Likewise.
1305 (expand_omp_for): Likewise.
1306 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1307 (expand_omp_sections): Similarly, with GOMP_sections_end.
1308 (expand_omp_single): New.
1309 (build_omp_regions_1): Update for OMP_CONTINUE.
1310 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1311 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1312 OMP_SECTIONS_SECTIONS.
1313 (lower_omp_single_simple): Don't emit barrier here.
1314 (lower_omp_single_copy): Likewise.
1315 (lower_omp_single): Fix bindings, and lower to straightline now.
1316 (lower_omp_master, lower_omp_ordered): Likewise.
1317 (lower_omp_critical): Likewise.
1318 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1319 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1320 omp edges, free it afterward.
1321 (make_omp_sections_edges): Remove.
1322 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1323 (move_stmt_r): Handle OMP_CONTINUE.
1324 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1325 statement pointers to basic blocks. Add type member.
1326 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1327 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1328 * tree-inline.c (estimate_num_insns_1): Likewise.
1329 * tree-pretty-print.c (dump_generic_node): Likewise.
1330 * tree-ssa-operands.c (get_expr_operands): Likewise.
1331 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1332 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1333 (OMP_CONTINUE): New.
1334 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1335 (OMP_SECTIONS_SECTIONS): Remove.
1336 (OMP_SECTION_LAST): New.
1337 (OMP_RETURN_NOWAIT): New.
1339 2006-04-13 Roger Sayle <roger@eyesopen.com>
1341 * fold-const.c (native_encode_vector, native_interpret_real):
1342 Correct obvious mistakes in the previous check-in.
1344 2006-04-13 Roger Sayle <roger@eyesopen.com>
1346 * fold-const.c (native_encode_expr): New function to encode
1347 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1348 or VECTOR_CST into a specified buffer.
1349 (native_encode_int): New function.
1350 (native_encode_real): New function.
1351 (native_encode_complex): New function.
1352 (native_encode_vector): New function.
1353 (native_interpret_expr): Inverse of native_encode_expr to convert
1354 a target representation into an INTEGER_CST, REAL_CST etc...
1355 (native_interpret_int): New function.
1356 (native_interpret_real): New function.
1357 (native_interpret_complex): New function.
1358 (native_interpret_vector): New function.
1359 (fold_view_convert_expr): New function to constant fold/evaluate
1360 a VIEW_CONVERT_EXPR of a suitable constant expression.
1361 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1362 Change call of build1 to fold_build1 when constructing a
1365 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1366 Ulrich Weigand <uweigand@de.ibm.com>
1369 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1372 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1375 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1376 optimize to lo_sum for DFmode if !TARGET_FPRS.
1378 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1380 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1381 delete_alias_info, compute_flow_sensitive_aliasing,
1382 group_aliases): Use VEC instead of VARRAY.
1383 * tree-ssa-structalias.c (update_alias_info): Likewise.
1384 * tree-ssa-structalias.h (alias_info): Change the type of
1385 processed_ptrs to VEC(tree,heap) *.
1387 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1390 * config/sh/lib1funcs.h: New file, broken out of:
1391 * config/sh/lib1funcs.asm.
1392 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1394 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1395 * config/sh/lib1funcs-Os-4-200.asm: New file.
1396 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1397 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1398 (EXTRA_MULTILIB_PARTS): Include it.
1399 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1400 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1401 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1402 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1405 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1407 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1408 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1409 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1411 * tree-ssa-live.h: Include vecprim.h.
1412 (tree_partition_associator_d): Change the type of
1413 first_partition to VEC(int,heap) *.
1414 (tpa_first_partition): Use VEC instead of VARRAY.
1416 * Makefile.in (GTFILES): Move functions.h after tree.h.
1417 * function.c (reset_block_changes, record_block_change,
1418 check_block_change, free_block_changes): Use VEC instead of
1420 * function.h (function): Change the type of
1421 ib_boundaries_block to VEC(tree,gc) *.
1422 * tree-inline.c (copy_cfg_body): Initialize
1423 ib_boundaries_block to NULL instead of (varray_type) 0.
1425 2006-04-12 Roger Sayle <roger@eyesopen.com>
1427 * expr.c (emit_group_store): Correct operand order in call to
1428 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1429 a SUBREG_BYTE of zero.
1431 2006-04-12 Richard Guenther <rguenther@suse.de>
1433 * profile.c (compute_branch_probabilities): Remove code
1434 encapsulated in !ir_type (), which are remanents of the
1435 removed RTL profiling code.
1436 * rtl-profile.c: Remove.
1438 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1440 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1441 magic NULL_RTX comment.
1442 (function_arg): Store entire fp arg to mem if any part should go
1444 (rs6000_arg_partial_bytes): Adjust for above change.
1446 2006-04-11 Roger Sayle <roger@eyesopen.com>
1448 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1449 if it hasn't been initialized by dwarf2out_init.
1451 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1453 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1454 symbolic constants in branch patterns.
1456 2006-04-11 Roger Sayle <roger@eyesopen.com>
1458 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1460 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1462 PR rtl-optimization/27073
1463 * gcse.c (try_replace_reg): Revert last change. Continue to search
1464 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1467 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1469 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1470 aggregate types other than record and union types.
1471 (function_arg): Likewise.
1472 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1474 (function_value): In 64-bit mode, return objects that require it
1477 2006-04-11 Roger Sayle <roger@eyesopen.com>
1479 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1481 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1483 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1485 2006-04-03 Jeff Law <law@redhat.com>
1488 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1489 alias information too.
1491 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1493 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1495 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1498 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1499 (premark_used_types_helper): New.
1500 (premark_used_types): New.
1501 (gen_subprogram_die): Call premark_used_types.
1502 (prune_unused_types_walk): Do not prune perennial dies.
1503 * function.c (used_types_insert): New.
1504 * function.h (struct function): Add used_types_hash field.
1505 (used_types_insert): Add prototype.
1506 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1507 * c-parser.c (c_parser_cast_expression): Save casted types in used
1510 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1513 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1514 rs6000_explicit_options.float_gprs.
1516 2006-04-10 Roger Sayle <roger@eyesopen.com>
1518 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1519 from ix86_expand_vector_init_low_nonzero. Take an additional
1520 one_var argument indicating which element is non-zero. Support
1521 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1522 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1523 with one_var instead of ix86_expand_vector_init_low_nonzero.
1525 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1527 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1528 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1529 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1530 build/genextract.o): Depend on vecprim.h.
1531 * cfglayout.c, df-problems.c, function.c, genextract.c,
1532 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1533 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1537 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1539 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1540 Declare VECs of this type.
1541 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1542 (remove_children): Delete.
1543 (add_dwarf_attr): Use VEC routines.
1544 (add_AT_flag): Update for changes to add_dwarf_attr.
1545 (add_AT_int): Likewise.
1546 (add_AT_unsigned): Likewise.
1547 (add_AT_long_long): Likewise.
1548 (add_AT_vec): Likewise.
1549 (add_AT_string): Likewise.
1550 (add_AT_die_ref): Likewise.
1551 (add_AT_fde_ref): Likewise.
1552 (add_AT_loc): Likewise.
1553 (add_AT_loc_list): Likewise.
1554 (add_AT_addr): Likewise.
1555 (add_AT_lbl_id): Likewise.
1556 (add_AT_lineptr): Likewise.
1557 (add_AT_macptr): Likewise.
1558 (add_AT_offset): Likewise.
1559 (add_AT_range_list): Likewise.
1560 (get_AT): Use VEC_iterate.
1561 (remove_AT): Use VEC_ordered_remove.
1562 (free_die): Fold remove_children into here; have it use VEC_iterate.
1563 (print_die): Use VEC_iterate on attrs.
1564 (reverse_die_lists): Don't reverse attr lists.
1565 (die_checksum): Use VEC_iterate on attrs.
1566 (same_die_p): Likewise.
1567 (output_location_lists): Likewise.
1568 (build_abbrev_table): Likewise.
1569 (size_of_die): Likewise.
1570 (unmark_all_dies): Likewise.
1571 (output_abbrev_section): Likewise.
1572 (output_die): Likewise.
1573 (prune_unused_types_walk_attribs): Likewise.
1575 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1577 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1579 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1582 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1584 2006-04-09 Roger Sayle <roger@eyesopen.com>
1586 * expr.c (store_constructor): Don't bother clearing target if
1587 we're about to assign a vector to it using vec_init_optab.
1589 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1591 * tree-ssa-alias.c (lhs_may_store_to): New function.
1592 (recalculate_used_alone): Handle LHS of calls.
1594 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1598 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1599 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1600 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1601 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1602 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1603 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1604 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1605 stubs. Add ".align 8" directives before all ".dword" directives.
1606 (GTHREAD_USE_WEAK): Revise comment.
1607 (TARGET_ATTRIBUTE_WEAK): Define.
1608 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1609 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1610 * stublib.c: New file.
1615 * pa.md (cbranch patterns): Revise arguments used in calls to
1616 output_cbranch, output_bb and output_bvd. Add long branch length
1618 (fbranch patterns): Handle long branches.
1619 (jump): Revise length check. Revise arguments for output_lbranch call.
1620 Add long branch length attributes.
1621 (decrement_and_branch_until_zero): Add long branch length attributes.
1622 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1623 Likewise. Revise arguments for output_parallel_addb and
1624 output_parallel_movb calls.
1625 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1626 output_parallel_movb and output_parallel_addb): Update prototypes.
1627 * pa.c (output_cbranch): Revise arguments. Correct handling of
1628 nullification in long branches.
1629 (output_lbranch): Add new argument to control extraction of delay
1631 (output_bb): Handle long branches.
1632 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1633 output_parallel_addb): Likewise.
1635 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1637 PR rtl-optimization/27073
1638 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1641 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1643 * tree.h (tree_memory_tag): Add old_used_alone.
1644 (SMT_OLD_USED_ALONE): New macro.
1645 * tree-ssa-alias.c (recalculate_used_alone): Stop
1646 marking things for renaming unnecessarily.
1648 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1650 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1651 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1652 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1653 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1654 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1655 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1656 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1657 spelling convensions.
1658 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1659 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1660 typos. Follow spelling conventions.
1662 2006-04-07 DJ Delorie <dj@redhat.com>
1664 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1665 passed on the stack.
1666 (m32c_init_cumulative_args): When a function returns a structure,
1667 always pass the pointer to that return area on the stack.
1668 (m32c_function_arg_advance): Don't increment the parameter number
1669 if we're processing the returned structure pointer.
1670 (pushm_info): Reverse order of registers.
1672 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1674 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1675 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1676 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1677 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1679 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1680 chrec_fold_multiply): Same.
1681 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1682 force_expr_to_var_cost): Same.
1683 * tree-mudflap.c (mf_xform_derefs_1): Same.
1684 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1686 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1688 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1689 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1692 2006-04-07 Jan Hubicka <jh@suse.cz>
1694 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1696 2006-04-07 Richard Guenther <rguenther@suse.de>
1698 PR tree-optimization/26135
1699 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1700 loads for store copy-prop.
1701 (copy_prop_visit_stmt): Likewise.
1703 2006-04-05 Robert Millan <robertmh@gnu.org>
1705 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1706 being overriden in config/k*bsd-gnu.h.
1707 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1709 * gcc/config/knetbsd-gnu.h: Ditto.
1711 2006-04-06 Jan Hubicka <jh@suse.cz>
1715 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1718 2006-04-06 Mike Stump <mrs@apple.com>
1720 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1721 for HAVE_nonlocal_goto to be consistent.
1722 (expand_builtin_nonlocal_goto): Likewise.
1723 (expand_builtin_strcmp): Use #ifdef instead of #if
1724 for HAVE_cmpstrnsi to be consistent.
1726 2006-04-05 DJ Delorie <dj@redhat.com>
1728 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1731 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1733 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1734 got-relative addressing for anything but SImode.
1736 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1737 even if the calling function doesn't modify them.
1739 2006-04-05 Richard Guenther <rguenther@suse.de>
1741 PR tree-optimization/26919
1742 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1743 to cgraph_estimate_size_after_inlining.
1745 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1747 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1749 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1751 PR tree-optimization/26996
1752 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1753 VECTOR_TYPE variables.
1755 2006-04-05 Richard Guenther <rguenther@suse.de>
1757 PR tree-optimization/26763
1758 * fold-const.c (fold_comparison): Move folding of
1759 PTR + CST CMP PTR + CST ...
1760 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1762 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1764 * doc/install.texi (Prerequisites): Refine some wording on
1765 bootstrapping and ksh.
1766 Move the version numbers of DejaGnu here from the testing section
1767 and fix casing of names.
1768 Fix markup and clarify wording for autogen requirements.
1769 Refer to GCJ instead of just java.
1770 Refer to SVN instead of CVS.
1771 Describe diffutils as useful instead of necessary.
1772 (Downloading the source): Refer to SVN instead of CVS.
1773 Adjust a link to our web site accordingly.
1774 (Configuration): Fix casing of Bison.
1775 (Building): Refer to SVN instead of CVS.
1776 Fix a sentence on the use of Bison and remove duplicate (and
1777 incorrect) version number of Bison requirement.
1778 Remove one redundant list of packages needed for building.
1779 (Specific): Avoid reference to CVS.
1781 2006-04-04 Eric Christopher <echristo@apple.com>
1783 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1784 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1785 (rs6000_handle_struct_attribute): New.
1786 (rs6000_ms_bitfield_layout_p): Ditto.
1788 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1790 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1791 NULL for dso parameter to atexit_common.
1793 2006-04-04 Eric Christopher <echristo@apple.com>
1795 * config/i386/i386.c (machopic_output_stub): Output \t
1796 between instructions and operands.
1798 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1800 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1801 satisfies_constraint_[IL] to explicit tests on value.
1803 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1805 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1806 set_nb_iterations_in_loop): Use build_int_cst instead of
1808 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1809 build_int_cst instead of convert.
1811 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1813 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1814 new value 2 for incoming.
1815 * function.c (expand_function_start): Call struct_value_rtx
1817 * config/sparc/sparc.md: Comment updated_return.
1818 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1819 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1820 struct return if sparc_std_struct_return and incoming is 2.
1821 (print_operand): Do not adjust return if
1822 sparc_std_struct_return.
1824 2006-04-04 Roger Sayle <roger@eyesopen.com>
1826 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1827 convert in the middle-end.
1828 * expr.c (store_expr, store_constructor, get_inner_reference,
1829 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1831 * tree.c (build_range_type): Likewise.
1833 2006-04-04 Tom Tromey <tromey@redhat.com>
1835 * doc/install.texi (Prerequisites): Mention jar.
1837 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1839 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1842 2006-04-04 Matthias Klose <doko@debian.org>
1844 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1845 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1848 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1850 * doc/extend.texi (Function Attributes): Rewrite visibility
1851 attribute documentation.
1852 * doc/invoke.texi (C++ Dialect Options): Rewrite
1853 -fvisibility-inlines-hidden documentation to describe something
1854 entirely different, although in practise compatible.
1855 (Code Gen Options): Warn about system headers in -fvisibiltity=
1858 * doc/extend.texi (Other Builtins): Document that
1859 __builtin_nan is a compile-time constant only when its argument
1862 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1864 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1865 trying to remove TRUNCATE check if all bits outside the new mode
1866 are identical to the sign bit.
1868 2006-04-03 Jeff Law <law@redhat.com>
1870 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1871 and operand scanning in some common cases.
1873 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1874 Dale Johannesen <dalej@apple.com>
1877 * regclass.c (struct reg_pref): Update documentation.
1878 (regclass): Set prefclass to NO_REGS if memory is the best option.
1879 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1880 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1881 into account. For non-registers, equate an empty preferred
1882 reload class to a `!' in the constraint; move the if clause to
1883 do so after those that reject the insn.
1884 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1886 (find_dummy_reload): Likewise.
1887 * doc/tm.texi (Register Classes): Document what it means
1888 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1889 * config/i386/i386.c (ix86_preferred_reload_class): Force
1890 using SSE registers (and return NO_REGS for floating-point
1891 constants) if math is done with SSE.
1892 (ix86_preferred_output_reload_class): New.
1893 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1894 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1895 * config/i386/i386.md: Remove # register preferences.
1897 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1900 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1901 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1902 the type of nb_iter.
1903 (instantiate_parameters_1): Convert the operands before calling
1904 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1905 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1907 2006-04-02 Roger Sayle <roger@eyesopen.com>
1909 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1910 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1912 * dojump.c (do_jump): Likewise.
1913 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1914 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1915 gimplify_boolean_expr): Likewise.
1916 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1917 * varasm.c (array_size_for_constructor): Likewise.
1918 * tree-object-size.c (compute_object_offset): Likewise.
1920 2006-04-02 Roger Sayle <roger@eyesopen.com>
1923 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1924 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1926 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1928 PR tree-optimization/26939
1929 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1931 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1933 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1934 at_stmt. Convert the type of operands before calling
1935 build_polynomial_chrec.
1936 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1938 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1939 (instantiate_parameters_1): Convert the type of operands before calling
1940 build_polynomial_chrec.
1941 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1942 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1943 reset_evolution_in_loop): Insert asserts to check the types of the
1945 (chrec_type): Moved...
1946 (eq_evolutions_p): Use operand_equal_p.
1947 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1948 the types of the operands.
1949 (chrec_type): ...here.
1950 * tree-data-ref.c (create_data_ref): Convert the operands before
1951 calling chrec_replace_initial_condition.
1952 (same_access_functions, analyze_subscript_affine_affine,
1953 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1954 (compute_subscript_distance, analyze_ziv_subscript,
1955 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1956 analyze_miv_subscript): Convert the operands before calling
1957 chrec_fold_minus or chrec_fold_plus.
1959 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1961 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1962 the dependence_relations vector.
1963 (compute_data_dependences_for_loop): Adjust call to
1964 compute_all_dependences.
1966 2006-04-01 Roger Sayle <roger@eyesopen.com>
1967 Richard Henderson <rth@redhat.com>
1969 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1970 gimple_boolify on the condition before calling gimplify_expr.
1972 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1974 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1975 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1976 the frame size. Update to use the new macros.
1977 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1978 * config/xtensa/ieee754-df.S: Likewise.
1980 2006-03-31 Richard Henderson <rth@redhat.com>
1982 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1983 (make_edges): ... here. Control fallthru creation with a local
1984 variable. Do not play with fake edges.
1985 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1986 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1989 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1991 * dwarf2.h (DW64_CIE_ID): Define.
1992 * dwarf2out.c (DWARF_CIE_ID): Define.
1993 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1994 length header. Use DWARF_CIE_ID.
1995 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1996 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1998 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2000 * config/sh/linux-atomic.asm: New file.
2001 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2003 2006-03-31 DJ Delorie <dj@redhat.com>
2005 * config/m32c/cond.md: Set condition flags properly throughout.
2006 * config/m32c/minmax.md: Likewise.
2007 * config/m32c/prologue.md: Likewise.
2008 * config/m32c/bitops.md: Likewise.
2009 * config/m32c/muldiv.md: Likewise.
2010 * config/m32c/mov.md: Likewise.
2011 * config/m32c/addsub.md: Likewise.
2012 * config/m32c/m32c.md: Likewise.
2013 * config/m32c/jump.md: Likewise.
2014 * config/m32c/shift.md: Likewise.
2016 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2017 conditionally output the pattern for this.
2018 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2019 (m32c_compare_redundant): New.
2020 (m32c_output_compare): New.
2021 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2023 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2024 dest, not src. Allow other 4-byte modes.
2026 2006-03-30 Denis Chertykov <denisc@overta.ru>
2028 * doc/md.texi: Refer to avr/constraints.md instead of
2031 2006-03-30 Roger Sayle <roger@eyesopen.com>
2033 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2034 signed vs. unsigned comparison failures on some hosts.
2036 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2039 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2040 change to FLOAT_REGS.
2042 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2043 (rs6000_override_options): Use it.
2044 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2045 only for -mabi=spe/no-spe and -mabi=altivec.
2047 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2049 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2052 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2054 * Makefile.in: Rename docdir to gcc_docdir.
2056 2006-03-30 Roger Sayle <roger@eyesopen.com>
2059 * expr.c (emit_group_store): Optimize group stores into a pseudo
2060 register by using a paradoxical subreg to initialize the destination
2061 if the first or last member of the group specifies a "low part".
2063 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2066 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2067 * target.h (struct gcc_target.speculate_insn): Change type of the
2068 second parameter to 'int'.
2069 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2070 the second operand of the DEPS_LIST.
2071 (copy_DEPS_LIST_list): Update reference to the second operand of the
2073 * rtl.h (alloc_DEPS_LIST): Update signature.
2074 * sched-int.h (ds_t): Change typedef to 'int'.
2075 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2077 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2079 * haifa-sched.c (try_ready): Change condition to restore
2080 non-speculative pattern of the instruction.
2081 (process_insn_depend_be_in_spec): Code to keep probability of the
2082 speculative dependence non-decreasing.
2084 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2086 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2087 (single_move_for_movmem): ... this. Also change all uses.
2088 (bfin_expand_strmov): Renamed to...
2089 (bfin_expand_movmem): ... this. Also change all uses.
2090 * config/bfin/bfin.md (movstrsi): Renamed to...
2091 (movstrsi): ...this.
2093 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2095 PR tree-optimization/26830
2097 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2098 (copy_prop_visit_stmt): Remove write-only variable ann.
2099 (init_copy_prop): Check variable loop depth here. Do not simulate
2100 memory-tag and virtual operand PHIs except for store copy prop.
2102 2006-03-30 Richard Guenther <rguenther@suse.de>
2104 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2105 variants with double arguments.
2107 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2109 * genpreds.c (write_tm_constrs_h): Delete variable p.
2110 * genconditions.c (write_header): Add tm-constrs.h to included
2112 * genpeep.c (main): Add toplev.h to included headers.
2113 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2114 (build/genpeep.o): Add toplev.h dependency.
2115 * config/rs6000/constraints.md: Add "W" constraint.
2117 2006-03-29 Roger Sayle <roger@eyesopen.com>
2119 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2120 sizes by correctly testing whether the size fits a host integer.
2121 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2122 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2123 SImode range for the default sizetype and bitsizetype.
2125 2006-03-29 Roger Sayle <roger@eyesopen.com>
2127 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2128 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2129 quickly if the argument is already of the correct type.
2130 Call fold_build1 instead of build1. Tidy up blank lines.
2132 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2134 * genemit.c (main): Add tm-constrs.h to included headers.
2135 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2136 * genpeep.c (main): Add tm-constrs.h to included headers.
2137 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2138 (write_tm_constrs_h): this and write complete file.
2139 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2140 (write_insn_preds_c): Add tm-constrs.h to included headers.
2141 (gen_constrs): New variable.
2142 (parse_option): Parse "-c".
2143 (main): Invoke write_tm_constrs_h.
2144 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2145 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2146 (object_out_file): Add tm-constrs.h dependency.
2147 (insn-emit.o): Same.
2148 (insn-output.o): Same.
2149 (insn-peep.o): Same.
2150 (insn-preds.o): Same.
2151 (insn-recog.o): Same.
2152 (tm-constsr.h): New target.
2153 (s-constrs-h): New target.
2155 * config/rs6000/constraints.md: New file.
2156 * config/rs6000/rs6000.c: Include tm-constrs.h.
2157 (num_insn_constant_wide): Convert to satisfies_constraint.
2158 (rs6000_rtx_costs): Convert to satisfies_constraint.
2159 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2160 (CONST_OK_FOR_LETTER_P): Delete.
2161 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2162 (EXTRA_CONSTRAINT): Delete.
2163 (EXTRA_MEMORY_CONSTRAINT): Delete.
2164 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2165 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2166 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2167 satisfies_constraint.
2169 * config/i386/i386.c: Include tm-constrs.h.
2171 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2173 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2174 * tree-data-ref.c (find_data_references_in_loop,
2175 compute_data_dependences_for_loop): Use pointers to VEC.
2176 (analyze_all_data_dependences): Adjust calls.
2177 * tree-data-ref.h (find_data_references_in_loop,
2178 compute_data_dependences_for_loop): Adjust declarations.
2179 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2180 compute_data_dependences_for_loop.
2182 2006-03-29 Paul Brook <paul@codesourcery.com>
2184 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2187 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2189 PR tree-optimization/26859
2190 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2192 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2193 for the step after fold_convert.
2195 2006-03-29 Paul Brook <paul@codesourcery.com>
2197 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2198 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2200 2006-03-29 Paul Brook <paul@codesourcery.com>
2203 * targhooks.c (default_narrow_bitfield): New fuction.
2204 * targhooks.h (default_narrow_bitfield): add prototype.
2205 * target.h (gcc_target): Add narrow_volatile_bitfield.
2206 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2207 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2208 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2209 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2211 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2213 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2215 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2216 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2217 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2218 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2219 (s390_function_arg_float): Allow SDmode and DDmode values to be
2220 passed in floating point registers.
2221 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2222 check with SCALAR_FLOAT_MODE_P.
2223 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2225 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2227 PR tree-optimization/25985
2228 * tree-ssa-loop-niter.c (number_of_iterations_le,
2229 number_of_iterations_ne): Make comments more precise.
2230 (number_of_iterations_cond): Add only_exit argument. Use the
2231 fact that signed variables do not overflow only when only_exit
2233 (loop_only_exit_p): New.
2234 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2235 number_of_iterations_cond.
2237 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2239 PR tree-optimization/26643
2240 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2243 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2245 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2246 (divsi3_i4_int): Likewise.
2248 2006-03-28 Roger Sayle <roger@eyesopen.com>
2250 * expr.c (emit_group_store): Only create a new pseudo reg if the
2251 quantity it needs to hold isn't already a suitable pseudo.
2253 2006-03-28 Jeff Law <law@redhat.com>
2255 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2256 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2258 2006-03-28 Roger Sayle <roger@eyesopen.com>
2260 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2261 the equivalent ~X & Y, and the symmetry related transformations.
2262 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2263 ~X & Y, and symmetry related transforms.
2265 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2267 Revert my 2006-03-27 patches.
2269 2006-03-28 Roger Sayle <roger@eyesopen.com>
2271 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2272 ~(T1)X, when T1 and T2 are integer types of the same precision
2273 and (T2)X isn't an extension.
2275 2006-03-28 Jeff Law <law@redhat.com>
2277 PR tree-optimization/26796
2278 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2279 need EH edge cleanups rather than purging them immediately.
2280 (eliminate_degenerate_phis): Handle queued EH cleanups.
2282 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2284 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2287 2006-03-27 Roger Sayle <roger@eyesopen.com>
2290 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2291 cast BIT_NOT_EXPR operand to the correct type.
2293 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2295 * tree-loop-linear.c: Don't include varray.h.
2296 (gather_interchange_stats, try_interchange_loops,
2297 linear_transform_loops): Use VEC instead of VARRAY.
2298 * lambda-mat.c: Don't include varray.h.
2299 * tree-chrec.c: Same.
2300 * lambda-trans.c: Same.
2301 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2302 VEC instead of VARRAY.
2303 * tree-vectorizer.h: Idem.
2304 * tree-data-ref.c (dump_data_references,
2305 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2306 initialize_data_dependence_relation, finalize_ddr_dependent,
2307 compute_all_dependences, find_data_references_in_loop,
2308 compute_data_dependences_for_loop, analyze_all_data_dependences,
2309 free_dependence_relation, free_dependence_relations,
2310 free_data_refs): Idem.
2311 * tree-data-ref.h (data_reference_p, subscript_p): New.
2312 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2313 VEC instead of VARRAY.
2314 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2315 (find_data_references_in_loop, compute_data_dependences_for_loop,
2316 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2317 dump_data_dependence_relations, free_dependence_relations,
2318 free_data_refs): Adjust declaration.
2319 (lambda_transform_legal_p): Move declaration here...
2320 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2321 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2322 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2323 vect_analyze_data_refs): Use VEC instead of VARRAY.
2324 * lambda.h (lambda_transform_legal_p): ...from here.
2325 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2326 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2327 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2328 tree-chrec.o): Don't depend on VARRAY_H.
2330 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2332 * rtl.def (Copyright): Update date.
2333 (DEPS_LIST): Change type of the second operand to 'int'.
2334 * target.h (Copyright): Update date.
2335 (struct gcc_target.speculate_insn): Change type of the second parameter
2337 * lists.c (Copyright): Update date.
2338 (alloc_DEPS_LIST): Change signature. Update reference to the second
2339 operand of the DEPS_LIST.
2340 (copy_DEPS_LIST_list): Update reference to the second operand of the
2342 * rtl.h (Copyright): Update date.
2343 (alloc_DEPS_LIST): Update signature.
2344 * sched-int.h (Copyright): Update date.
2345 (ds_t): Change typedef to 'int'.
2346 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2348 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2350 * haifa-sched.c (Copyright): Update date.
2351 (try_ready): Change condition to restore non-speculative pattern
2353 (process_insn_depend_be_in_spec): Code to keep probability of the
2354 speculative dependence non-decreasing.
2356 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2358 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2359 shut up the compiler.
2361 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2363 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2364 to use lib prefix for target.
2365 ($(T)libic_invalidate_array_4-200.a): Likewise.
2366 ($(T)libic_invalidate_array_4a.a): Likewise.
2368 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2369 J"orn Rennecke <joern.rennecke@st.com>
2371 * superh.opt: New file.
2372 * sh.c (boardtype, osruntime): Remove.
2373 * superh.h (SUBTARGET_OPTIONS): Remove.
2374 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2376 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2377 arguments with ^ and/or [].
2379 * config.gcc (sh-*-*): Add quoting to account for quirk of
2381 Replace == with = in enable_incomplete_targets test.
2383 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2384 with MASK_LITTLE_ENDIAN.
2386 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2387 * config/sh/sh.opt: Added to some comments.
2388 * config/sh/superh.h: Removed some chaff.
2390 * config/sh/sh.opt: Add m4-[1234]00* options.
2391 * config/sh/sh.c (sh_handle_option): Likewise.
2392 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2393 (ic_invalidate_array_4-100.o): New rule.
2394 ($(T)libic_invalidate_array_4-100.a): Likewise.
2395 (ic_invalidate_array_4-200.o): Likewise.
2396 ($(T)libic_invalidate_array_4-200.a): Likewise.
2397 (ic_invalidate_array_4a.o): Likewise.
2398 ($(T)libic_invalidate_array_4a.a): Likewise.
2399 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2400 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2402 * config/sh/crt1.asm: Merged in profiling code.
2403 * config/sh/superh.h (STARTFILE_SPEC): Override.
2404 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2405 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2406 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2408 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2409 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2410 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2412 * sh.opt (mpretend-cmove): New option.
2413 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2414 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2415 (movsicc): Add TARGET_PRETEND_CMOVE code.
2417 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2419 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2420 s390_class_max_nregs): New function prototypes.
2421 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2422 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2423 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2424 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2426 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2428 * dwarf2out.c (add_location_or_const_value_attribute): Call
2429 tree_add_const_value_attribute if nothing else works.
2430 (reference_to_unused): New.
2431 (rtl_for_decl_init): Use reference_to_unused to decide whether
2432 to output an initializer.
2434 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2437 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2438 peephole removing spe frob_di_df_2.
2440 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2442 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2443 (subscript_dependence_tester_1): Declared.
2444 (print_dir_vectors, print_dist_vectors): New.
2445 (debug_data_dependence_relation): New.
2446 (dump_data_dependence_relation): Print more details.
2447 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2448 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2449 (save_dist_v, save_dir_v, add_outer_distances,
2450 build_classic_dist_vector_1): New.
2451 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2452 Don't test for lambda_vector_lexico_pos.
2453 (same_access_functions, add_multivariate_self_dist,
2454 add_other_self_distances, dir_from_dist): New.
2455 (build_classic_dir_vector): Replace implementation almost identical to
2456 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2458 (subscript_dependence_tester_1): New.
2459 (subscript_dependence_tester): Handle the lexicographically negative
2460 distance vectors by recomputing the dependence relation.
2461 (compute_affine_dependence): Remove parameter loop_nest_depth.
2462 (compute_self_dependence): Don't call compute_subscript_distance.
2463 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2464 Add a parameter for the loop_nest.
2465 (find_loop_nest_1, find_loop_nest): New.
2466 (compute_data_dependences_for_loop): Compute the loop nest, and give
2467 up if the nest is not well formed.
2468 * tree-data-ref.h (loop_p): New.
2469 (struct data_dependence_relation): Replace size_vect field with
2470 loop_nest, a vec of loops.
2471 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2472 (DDR_LOOP_NEST): New.
2473 (print_dir_vectors, print_dist_vectors,
2474 debug_data_dependence_relation): Declared.
2475 (index_in_loop_nest): New.
2476 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2477 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2480 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2482 * simplify-rtx.c (simplify_relational_operation): Call
2483 simplify_relational_operation_1 even if mode is VOIDmode.
2485 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2487 PR tree-optimization/26804
2488 * tree.h (DECL_CALL_CLOBBERED): New macro.
2489 (tree_decl_common): Add call_clobbered_flag.
2490 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2491 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2492 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2493 (mark_non_addressable): Ditto.
2494 * tree-ssa.c (verify_call_clobbered): New function.
2495 (verify_alias_info): Use it.
2496 * tree-pass.h (pass_reset_cc_flags): New prototype.
2497 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2498 (reset_cc_flags): New function.
2499 * passes.c (init_optimization_passes): Call reset_cc_flags after
2500 initializing referenced_vars.
2502 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2503 Roger Sayle <roger@eyesopen.com>
2506 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2507 to 1.0 for non-real operands. Implement A / A optimization for
2510 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2512 * config/i386/i386.c (size_cost): Correct the comment for
2513 cost of storing fp registers.
2514 (i386_cost): Likewise.
2515 (i486_cost): Likewise.
2516 (pentium_cost): Likewise.
2517 (pentiumpro_cost): Likewise.
2518 (k6_cost): Likewise.
2519 (athlon_cost): Likewise.
2520 (k8_cost): Likewise.
2521 (pentium4_cost): Likewise.
2522 (nocona_cost): Likewise.
2523 (generic64_cost): Likewise.
2524 (generic32_cost): Likewise.
2526 2006-03-24 Denis Chertykov <denisc@overta.ru>
2528 * config/avr/avr-protos.h (extra_constraint): Delete.
2529 (extra_constraint_Q): New declaration.
2530 * config/avr/constraints.md: New file.
2531 * config/avr/avr.md: Include it.
2532 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2533 (TMP_REGNO, ZERO_REGNO): Likewise.
2534 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2535 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2536 (extra_constraint): Delete.
2537 (extra_constraint_Q): Test for memory constraint 'Q'.
2538 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2539 (REG_CLASS_FROM_LETTER): Delete.
2540 (CONST_OK_FOR_LETTER_P): Delete.
2541 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2542 (EXTRA_CONSTRAINT): Delete.
2543 (TMP_REGNO): Delete.
2544 (ZERO_REGNO): Delete.
2546 2006-03-24 Jeff Law <law@redhat.com>
2548 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2549 directly. Call mark_new_vars_to_rename slightly earlier.
2551 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2553 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2555 (gen_compile_unit_die): Use new language types for Objective-C and
2557 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2558 DW_LANG_C_plus_plus.
2561 * config/t-darwin (crt3.o): Work around bug 26840.
2562 * config/darwin-crt3.c: Rewrite.
2563 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2565 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2567 * doc/invoke.texi: Document -femit-class-debug-always
2568 * common.opt: Add -femit-class-debug-always.
2570 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2572 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2573 index and base register.
2574 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2575 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2576 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2577 REGNO_OK_FOR_INDEX_P.
2578 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2580 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2581 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2582 REG_OK_FOR_BASE_P): Definitions removed.
2584 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2587 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2588 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2589 set yet or weren't marked as local yet.
2591 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2593 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2596 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2598 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2599 (rs6000_legitimate_small_data_p): Delete.
2600 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2601 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2602 and make static. Add forward declaration. Update uses.
2603 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2604 of offsettable_memref_p.
2605 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2606 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2608 2006-03-24 Jeff Law <law@redhat.com>
2610 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2611 around bug in immediate-use iterator.
2613 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2616 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2617 or __LITTLE_ENDIAN__.
2619 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2621 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2622 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2623 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2624 * config/sh/sh.opt (mdiv=): Amend description.
2625 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2626 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2627 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2628 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2629 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2630 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2631 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2632 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2633 TARGET_DIVIDE_CALL_FP.
2635 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2637 * haifa-sched.c (choose_ready): Fix type of the local variable.
2638 Move local variables. Add comment.
2639 (check_reg_live): Change signature. Make callable from debugger.
2640 * sched-int.h (check_reg_live): Update signature.
2641 * sched-ebb.c (check_reg_live): Update parameters.
2642 * sched-rgn.c (check_reg_live): Ditto.
2643 (region_head_or_leaf_p): Check pointer before dereferencing.
2644 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2645 before reload on optimization levels below 1.
2647 2006-03-23 Richard Henderson <rth@redhat.com>
2649 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2653 * config/alpha/predicates.md (local_symbolic_operand): Reject
2656 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2659 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2660 expressions which have overflowed constants.
2662 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2664 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2666 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2668 * cfgloopmanip.c (create_loop_notes): Removed.
2669 * final.c (final_scan_insn): Do not handle loop notes.
2670 * jump.c (squeeze_notes): Ditto.
2671 * cfglayout.c (skip_insns_after_block,
2672 duplicate_insn_chain): Ditto.
2673 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2675 * cfgloop.h (create_loop_notes): Declaration removed.
2677 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2679 * varasm.c (output_constant_pool): Restore fnname and fndecl
2681 (assemble_start_function): Adjust call accordingly.
2682 (assemble_end_function): Likewise.
2684 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2687 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2690 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2692 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2695 * system.h (ICE_EXIT_CODE): New macro.
2696 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2697 (diagnostic_action_after_output): Likewise.
2698 * gcc.c (fatal_ice): New function.
2699 (execute): Use it instead of fatal.
2700 (fancy_abort): Likewise.
2701 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2703 2006-03-22 Jeff Law <law@redhat.com>
2705 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2706 iv_analyze_result returning false.
2708 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2710 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2712 2006-03-22 Richard Henderson <rth@redhat.com>
2715 * except.c (duplicate_eh_regions_0): New.
2716 (duplicate_eh_region_1): Duplicate the children of the node as
2717 well as the node itself. Link them up properly.
2718 (duplicate_eh_region_2): Merge into ...
2719 (duplicate_eh_regions): ... here. Take copy_region argument, and
2720 copy only a sub-tree if asked. Simplify copying and fixup.
2721 (eh_region_outer_p): New.
2722 * except.h (duplicate_eh_regions): Update decl.
2723 (eh_region_outer_p): Declare.
2724 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2725 (lower_omp_master): Likewise.
2726 (lower_omp_ordered): Likewise.
2727 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2728 (move_stmt_r): Use it to remap labels. Handle recursion vs
2729 remap_decls_p properly.
2730 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2731 (find_outermost_region_in_block): New.
2732 (new_label_mapper): New.
2733 (move_sese_region_to_fn): Copy eh information to the new function
2735 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2737 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2740 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2742 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2743 into shared libraries.
2745 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2747 * doc/md.texi: Refer to i386/constraints.md instead of
2749 * config/i386/constraints.md: New file, extracted from...
2750 * config/i386/predicates.md: ...here.
2751 * config/i386/i386.md: Include constraints.md.
2753 2006-03-21 Jason Merrill <jason@redhat.com>
2755 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2758 * expr.c (init_block_move_fn): Force default visibility.
2759 (init_block_clear_fn): Likewise.
2760 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2761 * targhooks.c (default_external_stack_protect_fail): Likewise.
2763 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2765 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2766 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2767 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2768 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2769 (loadgp): Use mips_current_loadgp_style.
2770 (loadgp_noshared): New pattern.
2771 (sibcall_internal): Use MIPS_CALL.
2772 (sibcall_value_internal): Likewise.
2773 (sibcall_value_multiple_internal): Likewise.
2774 (call_internal): Likewise.
2775 (call_value_internal): Likewise.
2776 (call_value_multiple_internal): Likewise.
2777 (call_split): Use MIPS_CALL and add an 'S' constraint.
2778 (call_value_split): Likewise.
2779 (call_value_multiple_split): Likewise.
2780 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2781 (-mshared): New option.
2782 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2783 (mips_current_loadgp_style): Declare.
2784 * config/mips/mips.c (mips_classify_symbol): Avoid using
2785 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2786 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2787 TARGET_ABSOLUTE_ABICALLS.
2788 (override_options): Adjust comments. Improve the warning that is
2789 issued when -mabicalls and -G are used together.
2790 (mips_file_start): Remove comment.
2791 (mips_current_loadgp_style): New function.
2792 (mips_gnu_local_gp): New variable.
2793 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2795 (mips_output_function_prologue): Use mips_current_laodgp_style.
2796 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2797 the cprestore instruction.
2798 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2799 live for TARGET_ABSOLUTE_ABICALLS.
2800 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2801 (ASM_SPEC): Pass down -mshared and -mno-shared.
2802 (MIPS_CALL): New macro.
2803 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2805 * doc/invoke.texi (-mabicalls): Update documentation.
2806 (-mshared): Document.
2808 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2810 * config/ia64/unwind-hpux.c: New file.
2811 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2813 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2816 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2818 2006-03-21 Jeff Law <law@redhat.com>
2820 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2821 type conversions of a VR_VARYING source to a wider type.
2823 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2825 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2826 tm_file on Solaris 10 and later.
2827 (sparc64-*-solaris2*): Likewise.
2828 (sparc-*-solaris2*): Likewise.
2829 * config/sol26.h: Rename to config/sol2-6.h.
2830 * config/sol2-10.h: New file.
2832 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2835 * tree-ssa-pre.c (create_component_ref_by_pieces):
2838 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2841 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2842 return it immediately.
2844 2006-03-21 Michael Matz <matz@suse.de>
2846 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2848 (remove_arc, add_arc): Update num_out_arcs member.
2849 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2851 (cache_presence): New function.
2852 (compare_states_for_equiv): New function.
2853 (state_is_differed): Don't take number of outargs, adjust callers.
2854 Use new invariant for speeding up.
2855 (init_equiv_class): Create initial classes based on sorted
2857 (partition_equiv_class): Don't track out_arcs_num.
2858 (evaluate_equiv_classes): Call cache_presence on all states and
2861 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2863 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2864 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2865 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2866 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2868 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2869 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2870 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2871 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2872 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2874 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2875 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2876 (REGNO_REG_CLASS): ARGP is in PREGS.
2877 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2879 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2880 to deal with those addresses.
2881 * addresses.h: New file.
2882 * caller-save.c: Include "addresses.h".
2883 (init_caller_save): Use new base_reg_class function.
2884 * rtl-factoring.c: Include "addresses.h".
2885 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2886 * recog.c: Include "addresses.h".
2887 (preprocess_constraints): Use new base_reg_class function.
2888 * regrename.c: Include "addresses.h".
2889 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2890 functions. Keep track of a new var INDEX_CODE to compute valid
2892 (replace_oldest_value_addr): Likewise.
2893 (replace_oldest_value_mem): Use base_reg_class.
2894 * reload.c: Include "addresses.h".
2895 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2896 (find_reloads): Use new base_reg_class function.
2897 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2898 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2899 all callers and prototype changed.
2900 * reload1.c: Include "addresses.h".
2901 (maybe_fix_stack_asms): Use base_reg_class.
2902 * regclass.c: Include "addresses.h".
2903 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2904 (init_reg_autoinc): Use new base_reg_class function.
2905 (record_reg_classes): Likewise.
2906 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2907 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2908 Use new args to compute necessary class.
2910 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2911 regrename.o, rtl-factoring.o): Update dependencies.
2912 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2913 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2914 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2915 REG_OK_FOR_INDEX_P): Delete documentation.
2917 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2919 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2920 from V7 to V9 for Solaris 7 and above.
2922 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2924 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2925 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2926 argument pointers may not alias any other storage.
2927 * common.opt: Define option -fargument-noalias-anything.
2928 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2929 alias semantics is specified by flag_argument_noalias > 2.
2931 2006-03-20 Jeff Law <law@redhat.com>
2933 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2934 (pass_phi_only_cprop): Declare.
2935 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2937 * tree-ssa-dom.c (degenerate_phi_result): New function.
2938 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2939 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2940 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2941 (eliminate_degenerate_phis): Likewise.
2942 (pass_phi_only_cprop): New pass descriptor.
2943 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2944 support code. Callers updated.
2945 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2946 (store_copy_prop): Likewise.
2947 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2949 2006-03-20 Jason Merrill <jason@redhat.com>
2952 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2953 (push_visibility, pop_visibility): Likewise.
2954 * c-pragma.h: Declare them.
2956 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2958 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2960 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2961 parameter and use get_ebb_head_tail.
2962 (sh_md_init_global): Adjust uses of find_regmode_weight.
2964 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2966 * function.h (struct function) <x_tail_recursion_reentry>:
2967 Rename to x_stack_check_probe_note.
2968 (tail_recursion_reentry): Rename to stack_check_probe_note.
2969 * function.c: Replace tail_recursion_reentry with
2970 stack_check_probe_note everywhere.
2971 (expand_function_start): Only emit a note for
2972 stack_check_probe_note with -fstack-protect.
2973 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2975 * emit-rtl.c (remove_unnecessary_notes): Remove.
2976 (pass_remove_unnecessary_notes): Remove.
2977 * rtl.h (remove_unnecessary_notes): Remove prototype.
2978 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2979 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2980 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2982 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2985 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2986 (valid_in_set): Handle ARRAY_REF.
2987 Change "if min_variant or VH" to asserts.
2988 (create_component_ref_by_pieces): Handle ARRAY_REF.
2989 (create_expression_by_pieces): Likewise.
2990 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2992 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2994 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2995 is operand of switch, not str[0].
2997 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2999 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3000 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3002 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3004 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3005 end of insn_extra_address_constraint declaration.
3007 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3009 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3010 (no-sum-in-toc): Same.
3011 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3013 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3014 NO_FP_IN_TOC for -fPIC instead of mask.
3016 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3017 (BOOT_LDFLAGS): Delete.
3019 * config/rs6000/t-aix52: Same.
3021 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3022 (stmsi[345678]_power): New.
3024 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3026 * config/ia64/ia64.opt: Add empty line to end of file.
3028 2006-03-17 Richard Guenther <rguenther@suse.de>
3031 * builtins.c (get_pointer_alignment): For component style references
3032 adjust alignment to the component type alignment. Make sure
3033 to adjust alignment for component access of constants.
3035 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3037 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3040 2006-03-17 Paul Brook <paul@codesourcery.com>
3042 * doc/install.texi: Docuemnt --with-mode.
3043 * config.gcc: Add --with-mode for arm*-*-*.
3044 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3046 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3048 * sh.c (max_labelno_before_reorg): New variable.
3049 (sh_reorg): Initialize it.
3050 (find_barrier): Check max_labelno_before_reorg before using
3051 label_to_alignment. Take length of explicit alignment insns
3052 into account. When seeing a UNSPECV_CONST_END, return it.
3054 * sh.c (fixup_mova): Set mode of affected label to QImode.
3055 (untangle_mova): New function.
3056 (find_barrier): Use it. Check mode of label before decrementing
3058 (sh_reorg): Likewise.
3059 Set mode of all insns back to VOIDmode.
3061 * sh.c (MOVA_LABELREF): New macro.
3062 (mova_p, fixup_mova, sh_reorg): Use it.
3063 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3064 ADDR_DIFF_VEC matches mova.
3066 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3068 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3069 with ATTRIBUTE_UNUSED.
3071 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3073 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3074 pointer, instead of assuming it is possible to derive the
3075 correct args size from a call insn.
3077 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3079 * rtl.h (CONST_INT_P): Define.
3080 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3081 instead of GET_CODE(x) == CONST_INT.
3082 (vax_rtx_costs): Likewise.
3083 (vax_output_int_move): Likewise.
3084 (vax_output_int_add): Likewise.
3085 (legitimate_constant_address_p): Likewise.
3086 (index_term_p): Likewise.
3087 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3088 * config/vax/vax.md (and<mode>3): Likewise.
3089 (ashrsi3): Likewise.
3091 (movstricthi): Likewise.
3092 (movstrictqi): Likewise.
3093 (rotrsi3): Likewise.
3094 (five unnamed insns): Likewise.
3096 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3098 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3099 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3100 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3101 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3102 Pass to ASM_OUTPUT_DWARF_OFFSET.
3103 * dwarf2out.c (debug_frame_section): New.
3104 (output_call_frame_info): Use debug_frame_section. Pass it to
3105 dw2_asm_output_offset.
3106 (output_die): Pass appropriate section to dw2_asm_output_offset.
3107 (output_compilation_unit_header): Likewise.
3108 (output_pubnames): Likewise.
3109 (output_aranges): Likewise.
3110 (enum dw_val_class): Break dw_val_class_lbl_offset into
3111 dw_val_class_lineptr and dw_val_class_macptr.
3112 (add_AT_lbl_offset): Delete.
3113 (add_AT_lineptr): New.
3114 (add_AT_macptr): New.
3115 (AT_lbl): Expect a lineptr or macptr.
3116 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3117 (attr_checksum): Likewise.
3118 (same_dw_val_p): Likewise.
3119 (size_of_die): Likewise.
3120 (value_format): Likewise.
3121 (output_die): Likewise.
3122 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3124 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3125 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3126 * config/darwin-protos.h (darwin_file_start): New.
3127 (darwin_asm_output_dwarf_offset): New.
3128 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3129 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3131 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3132 if not EH section; simplify.
3133 (darwin_file_start): New.
3134 (darwin_asm_output_dwarf_offset): New.
3135 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3137 (DEBUG_INFO_SECTION): Likewise.
3138 (DEBUG_ABBREV_SECTION): Likewise.
3139 (DEBUG_ARANGES_SECTION): Likewise.
3140 (DEBUG_MACINFO_SECTION): Likewise.
3141 (DEBUG_LINE_SECTION): Likewise.
3142 (DEBUG_LOC_SECTION): Likewise.
3143 (DEBUG_PUBNAMES_SECTION): Likewise.
3144 (DEBUG_STR_SECTION): Likewise.
3145 (DEBUG_RANGES_SECTION): Likewise.
3146 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3147 (ASM_OUTPUT_DWARF_OFFSET): New.
3149 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3151 * config.gcc (tm_defines): Always add to previous value rather
3154 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3156 * config/mips/predicates.md (splittable_const_int_operand): New,
3157 split from move_operand.
3158 (splittable_symbolic_operand): New.
3159 (move_operand): Add commentary. Use splittable_const_int_operand.
3160 Inline mips_atomic_symbolic_constant_p.
3161 * config/mips/mips.md: Add combine splitters for handling moves
3162 of splittable_const_int_operands and splittable_symbolic_operands.
3163 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3164 (mips_split_symbol): Declare.
3165 (mips_move_integer): Declare.
3166 * config/mips/mips.c (mips_split_p): Make global.
3167 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3168 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3169 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3170 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3171 (mips_offset_within_object_p): Handle block symbols.
3172 (mips_atomic_symbolic_constant_p): Delete.
3173 (mips_cannot_force_const_mem): Return false for constants that
3174 mips_legitimize_move can handle.
3175 (mips_use_blocks_for_constant_p): New function.
3176 (mips_split_symbol): Make global.
3177 (mips_move_integer): Likewise. Add a temporary register argument.
3178 (mips_legitimize_const_move): Use splittable_const_int_operand and
3179 splittable_symbolic_operand.
3180 (mips_use_anchors_for_symbol_p): New function.
3181 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3182 (mips_split_p): Declare.
3184 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3186 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3187 (mips*-*-linux*): Likewise.
3189 2006-03-16 Roger Sayle <roger@eyesopen.com>
3190 Daniel Speyer <dspeyer@wam.umd.edu>
3193 * tree-dump.c (dump_real): New function.
3194 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3195 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3196 (tree-dump.o): Add $(REAL_H) to the dependencies.
3198 2006-03-16 Roger Sayle <roger@eyesopen.com>
3201 * real.c (real_from_string): If the mantissa is zero, don't bother
3202 parsing the exponent as the result should always be zero.
3204 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3206 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3208 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3210 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3211 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3212 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3213 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3214 ia64_sched_finish_global): New static functions to implement
3215 hooks from gcc_target.sched.
3216 (spec_check_no, max_uid, pending_data_specs): New static variables.
3217 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3218 ia64_spec_check_src_p): New static functions.
3219 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3220 (TARGET_SCHED_ADJUST_COST): Removed.
3221 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3222 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3223 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3224 TARGET_SCHED_GEN_CHECK,
3225 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3226 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3227 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3228 Fixed to handle speculation checks.
3229 (rtx_needs_barrier): Fixed to handle speculative loads and
3231 (ia64_variable_issue): Added code to count speculative loads and their
3233 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3235 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3237 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3239 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3240 (ia64_reorg): Reset stops_p to NULL after it is freed.
3241 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3242 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3243 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3245 (data_speculative, control_speculative, check_load): New attributes.
3246 (mov<mode>_advanced, mov<mode>_speculative,
3247 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3248 zero_extend<mode>di2_speculative,
3249 zero_extend<mode>di2_speculative_advanced): New patterns for
3250 data and control speculative loads.
3251 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3253 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3254 New pattern for data and control speculation checks.
3255 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3256 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3257 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3258 Auxiliary definitions for the patterns.
3259 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3260 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3262 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3264 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3265 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3266 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3267 New resource constraints.
3268 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3270 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3271 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3272 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3273 msched-in-control-spec, msched-ldc, msched-control-ldc,
3274 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3275 msched-prefer-non-control-spec-insns,
3276 msched-count-spec-in-critical-path): New flags to tune speculative
3278 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3279 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3280 msched-in-control-spec, msched-ldc, msched-control-ldc,
3281 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3282 msched-prefer-non-control-spec-insns,
3283 msched-count-spec-in-critical-path): Document new flags.
3285 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3287 * target.h (struct spec_info_def): New opaque declaration.
3288 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3289 speculate_insn, needs_block_p, gen_check,
3290 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3291 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3292 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3293 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3294 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3295 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3297 (TARGET_SCHED): Use new macros.
3298 * rtl.h (copy_DEPS_LIST_list): New prototype.
3299 * sched-int.h (struct sched_info): Change signature of new_ready field,
3300 adjust all initializations. New fields: add_remove_insn,
3301 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3302 region_head_or_leaf_p.
3303 (struct spec_info_def): New structure declaration.
3304 (spec_info_t): New typedef.
3305 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3306 recovery_block, orig_pat.
3307 (glat_start, glat_end): New variables declaraions.
3308 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3310 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3311 DETACH_LIFE_INFO, USE_GLAT.
3312 (enum SPEC_SCHED_FLAGS): New enumeration.
3313 (NOTE_NOTE_BB_P): New macro.
3314 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3315 attach_life_info, debug_spec_status, check_reg_live): New functions.
3316 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3317 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3319 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3320 * ddg.c (get_block_head_tail): Adjust all uses.
3321 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3322 (sms_sched_info): Initialize new fields.
3323 (contributes_to_priority): Removed.
3324 * haifa-sched.c (params.h): New include.
3325 (get_block_head_tail): Adjust all uses.
3326 (ISSUE_POINTS): New macro.
3327 (glat_start, glat_end): New global variables.
3328 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3329 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3330 old_last_basic_block, before_recovery, current_sched_info_var,
3331 rgn_n_insns, luid): New static variables.
3332 (insn_cost1): New function. Move logic from insn_cost to here.
3333 (find_insn_reg_weight1): New function. Move logic from
3334 find_insn_reg_weight to here.
3335 (reemit_notes, move_insn, max_issue): Change signature.
3336 (move_insn1): Removed.
3337 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3338 extend_bb): New static functions to support extension of scheduler's
3340 (generate_recovery_code, process_insn_depend_be_in_spec,
3341 begin_speculative_block, add_to_speculative_block,
3342 init_before_recovery, create_recovery_block, create_check_block_twin,
3343 fix_recovery_deps): New static functions to support
3344 generation of recovery code.
3345 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3346 restore_bb_notes, move_block_after_check, move_succs): New static
3347 functions to support ebb scheduling.
3348 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3349 functions to support handling of register live information.
3350 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3351 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3352 add_jump_dependencies): New static functions.
3353 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3354 consistancy checking.
3355 (debug_spec_status): New function to call from debugger.
3356 (priority): Added code to handle speculation checks.
3357 (rank_for_schedule): Added code to distinguish speculative instructions.
3358 (schedule_insn): Added code to handle speculation checks.
3359 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3360 Fixed to handle ebbs.
3361 (move_insn): Added code to handle ebb scheduling.
3362 (max_issue): Added code to use ISSUE_POINTS of instructions.
3363 (choose_ready): Added code to choose between speculative and
3364 non-speculative instructions.
3365 (schedule_block): Added code to handle ebb scheduling and scheduling of
3366 speculative instructions.
3367 (sched_init): Initialize new variables.
3368 (sched_finish): Free new variables. Print statistics.
3369 (try_ready): Added code to handle speculative instructions.
3370 * lists.c (copy_DEPS_LIST_list): New function.
3371 * sched-deps.c (extend_dependency_caches): New function. Move logic
3372 from create_dependency_caches to here.
3373 (get_dep_weak, ds_merge): Make global.
3374 * genattr.c (main): Code to output prototype for
3375 dfa_clear_single_insn_cache.
3376 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3377 (output_dfa_clean_insn_cache_func): Code to output
3378 dfa_clear_single_insn_cache function.
3379 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3381 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3383 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3384 New static variables.
3385 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3386 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3388 (ebb_sched_info): Initialize new fields.
3389 (get_block_head_tail): Adjust all uses.
3390 (compute_jump_reg_dependencies): Fixed to use glat_start.
3391 (schedule_ebb): Code to remove unreachable last block.
3392 (schedule_ebbs): Added code to update register live information.
3393 * sched-rgn.c (region_sched_info): Initialize new fields.
3394 (get_block_head_tail): Adjust all uses.
3395 (last_was_jump): Removed. Adjust users.
3396 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3397 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3398 Implement new hooks.
3399 (check_dead_notes1): New static function.
3400 (struct region): New fields: dont_calc_deps, has_real_ebb.
3401 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3402 (BB_TO_BLOCK): Fixed to handle EBBs.
3403 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3404 (ebb_head): New static variable.
3405 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3406 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3408 (compute_dom_prob_ps): New assertion.
3409 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3410 global_live_at_start.
3411 (init_ready_list): New assertions.
3412 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3413 (new_ready): Add support for BEGIN_CONTROL speculation.
3414 (schedule_insns): Fixed code that updates register live information
3416 (schedule_region): Fixed to handle EBBs.
3417 (init_regions): Use extend_regions and check_dead_notes1.
3418 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3419 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3420 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3421 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3422 TARGET_SCHED_GEN_CHECK,
3423 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3424 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3425 * doc/invoke.texi (max-sched-insn-conflict-delay,
3426 sched-spec-prob-cutoff): Document.
3428 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3430 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3431 inter_tick, queue_index.
3432 (struct sched_info): Change signature of init_ready_list field.
3433 Adjust all initializations.
3434 (RESOLVED_DEPS): New access macro.
3435 (ready_add): Remove prototype.
3436 (try_ready): Add prototype.
3437 * sched-rgn.c (init_ready_list): Use try_ready.
3438 (schedule_region): Initialize
3439 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3440 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3441 (init_ready_list): Use try_ready.
3442 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3443 * lists.c (remove_list_elem): Remove `static'.
3444 (remove_free_INSN_LIST_elem): New function.
3445 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3446 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3447 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3449 (readyp): New variable.
3450 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3451 change_queue_index, resolve_dep): New static functions.
3452 (try_ready): New function. Adjust callers in sched-rgn.c and
3453 sched-ebb.c to use it instead of ready_add.
3454 (clock_var): Move at the begining of file.
3455 (rank_for_schedule): Fix typo.
3456 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3457 (ready_lastpos): Enforce assertion.
3458 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3460 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3461 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3462 (queue_to_ready): Use free_INSN_LIST_list.
3463 (early_queue_to_ready): Fix typo.
3464 (schedule_block): Init readyp. Move init_ready_list call after the
3465 initialization of clock_var. Fix error in rejecting insn by
3466 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3467 that previously corrected INSN_TICKs. Add code for handling
3469 (set_priorities): Fix typo.
3470 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3471 Clarify comment and code that keeps current_sched_info->next_tail
3474 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3476 * sched-rgn.c (extend_rgns): New static function.
3477 (find_rgns): Use it.
3478 (gather_region_statistics, print_region_statistics): New static
3480 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3481 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3483 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3484 Andrey Belevantsev <abel@ispras.ru>
3486 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3487 * lists.c (unused_deps_list): New variable.
3488 (free_list): Add assertions to verify the proper distinguishing
3489 between INSN_LISTs and DEPS_LISTs.
3490 (find_list_elem, remove_list_elem, remove_list_node): New static
3492 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3493 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3494 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3495 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3497 (free_INSN_LIST_node): Likewise.
3498 * modulo-sched.c (current_sched_info): Initialize flags field.
3499 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3500 * rtl.def (DEPS_LIST): Define.
3501 * rtl.h: Declare new functions from lists.c.
3502 * sched-deps.c (spec_dependency_cache): New static variable.
3503 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3504 (add_dependence): Change return type to void. Move the logic to ...
3505 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3506 (delete_all_dependences): Add comment about forward_dependency_cache.
3507 Handle spec_dependency_cache. Handle DEPS_LISTs.
3508 (fixup_sched_groups): Clarify the change of priority of output
3509 and anti dependencies.
3510 (sched_analyze_2): Adjust add_dependence calls to create data
3511 speculative dependence.
3512 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3513 Adjust all callers. Handle DEPS_LISTS.
3514 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3515 presence of speculation.
3516 (init_dependency_caches, free_dependency_caches):
3517 Handle spec_dependency_cache.
3518 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3519 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3520 New static functions.
3521 (add_or_update_back_dep, add_or_update_back_forw_dep,
3522 add_back_forw_dep, delete_back_forw_dep): New functions.
3523 * sched-int.h (ds_t, dw_t): New typedefs.
3524 (struct sched_info): Add new field flags.
3525 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3526 Prototype new sched-deps.c functions.
3527 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3528 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3529 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3530 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3531 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3532 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3534 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3536 * sched-rgn.c (current_sched_info): Initialize flags field.
3537 (schedule_insns): Initialize current_sched_info before the sched_init
3539 * sched-ebb.c (current_sched_info): Initialize flags field.
3540 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3541 Call add_or_update_back_dep instead of add_dependence.
3542 Create control speculative dependencies.
3543 (schedule_insns): Initialize current_sched_info before the sched_init
3546 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3548 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3550 (sh_fallback_frame_state): Likewise.
3552 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3554 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3555 Do switch on default_use_cxa_atexit.
3556 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3557 * config/darwin-crt3.o: New.
3558 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3559 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3560 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3562 * config/rs6000/t-darwin: Move crt2.o building to here.
3563 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3564 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3567 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3569 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3570 from '! xxx' to '!xxx' for coding-style conformance.
3571 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3572 (EXTRA_CONSTRAINT): Likewise.
3573 * config/vax/vax.md (four unnamed insns): Likewise.
3575 2006-03-15 Paul Brook <paul@codesourcery.com>
3577 * config/arm/arm.c (minipool_pad): New.
3578 (add_minipool_forward_ref): Include pool alignment padding in address
3580 (push_minipool_fix): Set minipool_pad.
3581 (minipool_pad): Ditto.
3583 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3585 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3586 instead of GET_CODE() == MEM and REG_P() instead of
3588 (print_operand_address): Likewise.
3589 (vax_address_cost): Likewise.
3590 (vax_rtx_costs): Likewise.
3591 (vax_notice_update_cc): Likewise.
3592 (vax_output_int_add): Likewise.
3593 (INDEX_REGISTER_P): Likewise.
3594 (BASE_REGISTER_P): Likewise.
3595 (nonindexed_address_p): Likewise.
3596 (vax_mode_dependent_address_p): Likewise.
3597 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3598 (PRINT_OPERAND): Likewise.
3599 * config/vax/vax.md (ashlsi3): Likewise.
3600 (ashlsi3): Likewise.
3601 (some more unnamed insns): Likewise.
3603 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3605 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3606 iterator-style macro.
3607 (mark_control_dependent_edges_necessary): Update the use of
3608 EXECUTE_IF_CONTROL_DEPENDENT.
3610 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3612 * config/sh/predicates.md (cache_address_operand): Special.
3613 (ua_address_operand): Likewise.
3615 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3617 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3619 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3621 2006-03-15 Andreas Schwab <schwab@suse.de>
3623 * gensupport.c (identify_predicable_attribute): Don't free p_false
3624 when it is still in use.
3626 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3628 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3629 the default setting here.
3631 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3633 * tree-pass.h (pass_cfg): Remove.
3634 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3635 * passes.c (pass_cfg): Don't run it.
3637 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3639 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3640 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3642 (stack_regs_mentioned): Update the uses of
3643 stack_regs_mentioned_data. Don't access the array beyond its
3645 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3646 Don't include gt-reg-stack.h.
3648 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3649 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3651 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3654 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3657 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3659 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3661 2006-03-14 Richard Guenther <rguenther@suse.de>
3663 PR tree-optimization/26672
3664 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3667 2006-03-14 Richard Guenther <rguenther@suse.de>
3669 PR tree-optimization/26667
3670 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3671 node for the callees. Always allow inlining if it will shrink
3674 2006-03-14 Richard Guenther <rguenther@suse.de>
3677 * builtins.c (get_pointer_alignment): Prefer alignment
3678 information from decls over that from types.
3680 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3683 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3685 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3687 * config/rs6000/rs6000.opt (mdlmzb): New option.
3688 (msched-prolog, msched-epilog): Use Var not Mask.
3689 * doc/invoke.texi (-mdlmzb): Document.
3690 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3692 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3693 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3695 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3697 PR rtl-optimization/25739
3698 * bt-load.c (augment_live_range): Free tos pointer.
3700 * gensupport.c (identify_predicable_attribute): Free
3702 * gcov.c (create_file_names): Free name pointer.
3704 2006-03-13 Roger Sayle <roger@eyesopen.com>
3707 * stmt.c (emit_case_nodes): Handle the case where the index is a
3708 CONST_INT, where the comparison mode is specified by the index type.
3710 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3712 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3715 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3717 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3718 (*branch_fp_inverted): Likewise.
3720 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3723 * omp-low.c (expand_omp_for_generic): Mark istart0
3724 and iend0 as addressable.
3726 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3728 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3730 2006-03-13 Jeff Law <law@redhat.com>
3732 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3733 virtual operands are interesting.
3734 (vrp_visit_stmt): Corresponding changes.
3736 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3738 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3740 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3741 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3742 * config/bfin/crti.S: Use it instead of __PIC__.
3743 * config/bfin/crtn.S: Likewise.
3745 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3746 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3748 Lose 'G' modifier for call operand.
3749 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3750 recognize 'G' modifier.
3752 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3755 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3756 * stmt.c (expand_case): Likewise.
3758 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3760 PR rtl-optimization/26254
3761 * loop-invariant.c (seq_insns_valid_p): New function.
3762 (move_invariant_reg): Only emit new code if it is valid.
3764 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3766 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3768 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3769 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3770 (commit_one_edge_insertion): Do not look for loop notes.
3772 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3774 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3775 flag_test_coverage out of loop.
3777 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3779 * final.c (shorten_branches): Remove outdated comment, and turn
3780 the if branch that guards it to continue.
3782 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3784 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3785 * cfgloop.h (struct loop): Remove unused fields.
3787 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3789 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3790 (-dL, -fdump-rtl-loop2): Update the dump file names
3792 * doc/invoke.texi: Update dump file names.
3794 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3796 * predict.c (estimate_probability): Remove.
3797 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3798 * basic-block.h (estimate_probability): Remove prototype.
3799 * passes.c (finish_optimization_passes): Dump branch prediction or
3800 profiling heuristics to the .profile tree dump.
3801 (init_optimization_passes): Unqueue pass_branch_prob.
3803 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3805 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3807 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3808 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3810 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3812 * function.h (frame_offset_overflow): Declare.
3813 * function.c (frame_offset_overflow): New function.
3814 (assign_stack_local_1): Call it to detect that the offset overflows.
3815 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3817 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3819 * config/sh/sh.c: Include alloc-pool.h.
3820 (label_ref_list_pool): New alloc pool.
3821 (label_ref_list_t): New type for lists of labels.
3822 (struct pool_node): Make wend a label_ref_list_t.
3823 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3825 (dump_table): Likewise.
3826 (sh_reorg): Set up the alloc pool before using add_constant and
3827 dump_table, and destroy it when finishing.
3829 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3831 * config/mips/mips.c: Remove redundant comment.
3833 2006-03-10 Jason Merrill <jason@redhat.com>
3836 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3837 the target was declared 'register'.
3839 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3841 * genpreds.c (write_insn_constraint_len): Change definition of
3842 insn_constraint_len to return size_t to match the declaration.
3844 2006-03-10 DJ Delorie <dj@redhat.com>
3846 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3848 (m32c_expand_insv): Fix test for an AND mask.
3850 2006-03-10 Richard Guenther <rguenther@suse.de>
3853 * builtins.c (get_pointer_alignment): Handle component
3854 references for field alignment.
3856 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3858 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3859 when building with libgloss.
3860 (sh*elf): Implement --without-fp option.
3861 (sh64-superh-linux*): Don't multilib.
3863 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3865 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3867 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3869 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3870 Set it when one of the replacement functions returned true.
3871 Return TODO_cleanup_cfg if cfgchanged is true.
3872 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3874 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3876 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3877 instead of gen_lowpart.
3879 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3881 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3883 (mips_output_order_conditional_branch): Declare.
3884 * config/mips/mips.h (MIPS_BRANCH): New macro.
3885 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3886 for the comparison. Use gen_condjump.
3887 (mips_output_conditional_branch): Rework interface to take the
3888 asm templates for a direct branch and the inverse of a direct branch.
3889 (mips_output_order_conditional_branch): New function.
3890 (mips_builtin_branch_and_move): New function.
3891 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3892 branch condition. Use gen_single_cc as the condition for
3893 __builtin_mips_upper_* or __builtin_mips_lower_*.
3894 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3895 Use VOIDmode for the branch condition.
3896 * config/mips/predicates.md (order_operator): New predicate.
3897 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3898 (branch_fp): Rename to...
3899 (*branch_fp): ...this. Remove mode from comparison operator.
3900 Use new mips_output_conditional_branch interface.
3901 (branch_fp_inverted): Rename to...
3902 (*branch_fp_inverted): ...this and update as for *branch_fp.
3903 (*branch_zero<mode>): Rename to...
3904 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3905 Use mips_output_order_conditional_branch. Only accept ordered
3907 (*branch_zero<mode>_inverted): Rename to...
3908 (*branch_order<mode>_inverted): ...this and update as for
3909 *branch_order<mode>.
3910 (*branch_equality<mode>): Accept zero as the second operand to
3911 the equality operator. Use the new mips_output_conditional_branch
3913 (*branch_equality<mode>_inverted): Likewise.
3914 (condjump): New expander.
3915 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3917 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3918 (bc1any2t, bc1any2f): Likewise.
3919 (single_cc): New expander.
3920 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3922 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3924 * doc/md.texi: Update documentation of MIPS constraints.
3925 * config/mips/constraints.md: New file.
3926 * config/mips/mips.md: Include it.
3927 * config/mips/mips.c (mips_char_to_class): Delete.
3928 (override_options): Don't initialize mips_char_to_class.
3929 * config/mips/mips.h (mips_char_to_class): Delete.
3930 (REG_CLASS_FROM_LETTER): Delete.
3931 (CONST_OK_FOR_LETTER_P): Delete.
3932 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3933 (EXTRA_CONSTRAINT_Y): Delete.
3934 (EXTRA_CONSTRAINT_STR): Delete.
3935 (CONSTRAINT_LEN): Delete.
3936 (EXTRA_MEMORY_CONSTRAINT): Delete.
3938 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3940 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3941 original fn's eh regions.
3943 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3945 * fold-const.c (build_range_check): Make sure to use a valid type to
3946 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3949 (range_predecessor): New static function.
3950 (range_successor): Likewise.
3951 (merge_ranges): Use them to compute predecessors and successors of
3954 2006-03-09 Roger Sayle <roger@eyesopen.com>
3957 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3958 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3960 2006-03-08 DJ Delorie <dj@redhat.com>
3962 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3963 (addpsi3): Expand to include memory operands. Remove
3964 reload-specific splits.
3965 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3966 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3967 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3968 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3969 (shift1_qi, shift1_hi, insv): New.
3970 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3971 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3972 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3974 * config/m32c/m32c-protos.h: Update as needed.
3975 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3976 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3977 Fail for unrecognized R* constraints.
3978 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3979 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3980 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3982 (m32c_init_libfuncs): New.
3983 (m32c_legitimate_address_p): Add debug wrapper.
3984 (m32c_rtx_costs): New.
3985 (m32c_address_cost): New.
3986 (conversions): Add 'B' prefix.
3987 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3988 operands, or word regnames for QI operands. 'B' prints bit
3990 (m32c_expand_setmemhi): New.
3991 (m32c_expand_movmemhi): New.
3992 (m32c_expand_movstr): New.
3993 (m32c_expand_cmpstr): New.
3994 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3995 (m32c_expand_neg_mulpsi3): Handle non-ints.
3996 (m32c_cmp_flg_0): New.
3997 (m32c_expand_movcc): New.
3998 (m32c_expand_insv): New.
3999 (m32c_scc_pattern): New.
4000 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4001 a0/a1 out of SIregs.
4002 (STORE_FLAG_VALUE): New.
4003 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
OSDN Git Service
