1 2006-05-09 Dirk Mueller <dmueller@suse.de>
2 Richard Guenther <rguenther@suse.de>
5 * fold-const.c (fold_read_from_constant_string): Relax check
6 for matching types to matching modes.
8 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
10 PR rtl-optimization/27335
11 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
14 2006-05-08 Chao-ying Fu <fu@mips.com>
15 Richard Sandiford <richard@codesourcery.com>
17 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
18 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
19 * config/mips/mips.md (UNSPEC_SCC): New constant.
20 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
21 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
22 (mips_emit_compare): Use it.
23 (mips_expand_vcondv2sf): New function.
25 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
27 Fix PR tree-optimization/27093
28 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
29 renaming when they become not-used_alone.
31 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
33 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
34 relocation and relocation stubs.
36 2006-05-08 Eric Christopher <echristo@apple.com>
38 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
41 2006-05-08 Jan Hubicka <jh@suse.cz>
44 * cgraphunit.c (decide_is_function_needed): When not optimizing even
45 unused static functions are needed.
47 2006-05-08 Roger Sayle <roger@eyesopen.com>
50 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
51 of a reg_equiv_constant if the result is a legitimate constant.
53 2006-05-08 Uros Bizjak <uros@kss-loka.si>
56 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
57 standard 80387 constants, raise the cost to prevent
58 compress_float_constant() to generate load from memory.
60 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
62 * config/arm/constraints.md (c): Fix a typo.
64 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
67 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
70 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
72 (_mm_mwait): Likewise.
74 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
76 (sse3_monitor): Make it 32bit only.
77 (sse3_monitor64): New. 64bit monitor.
79 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
82 * config/i386/i386.c (classify_argument): Skip fields with invalid
85 2006-05-07 Richard Guenther <rguenther@suse.de>
87 PR tree-optimization/27409
88 * tree-ssa-structalias.c (get_constraint_for_component_ref):
89 Do not try to find zero-sized subvars.
91 2006-05-07 Richard Guenther <rguenther@suse.de>
93 PR tree-optimization/27136
94 * tree-ssa-loop-niter.c (get_val_for): Correct function
95 comment, assert requirements.
96 (loop_niter_by_eval): Stop processing if the iterated
97 value did not simplify.
99 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
101 * opts.c (flag_see): remove its setting at -O3.
103 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
105 * genpeep.c (main): Make insn-peep.c depend on flags.h.
106 * arm/constraints.md: New file.
107 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
108 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
109 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
110 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
111 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
112 (EXTRA_MEMORY_CONSTRAINT): Likewise.
113 * arm.md: Include constraints.md.
114 (thumb_movsi_insn): Use satisfies_constraint_J.
115 (movhi, movqi): Use satisfies_constraint_I.
117 2006-04-29 Anatoly Sokolov <aesok@post.ru>
119 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
120 for atmeg a645 device.
122 2006-05-06 Richard Guenther <rguenther@suse.de>
124 PR tree-optimization/27151
125 * tree-vect-transform.c (vectorizable_condition): Punt on
126 values that have a different type than the condition.
128 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
131 * c-parser.c (c_parser_cast_expression): Only insert casts into
132 hash table if pointer.
133 * function.c (used_types_insert_helper): Rename from
135 (used_types_insert): Call used_types_insert_helper.
136 * function.h (used_types_insert): Accept only one argument.
138 2006-05-05 David Edelsohn <edesohn@gnu.org>
140 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
141 scratch with output modifier.
143 2006-05-04 David Edelsohn <edelsohn@gnu.org>
146 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
147 with output modifier.
149 2006-05-04 Richard Sandiford <richard@codesourcery.com>
152 * config/mips/mips.c (mips_symbolic_address_p): Return true
153 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
154 SYMBOL_GOTTPREL, and SYMBOL_TLS.
156 2006-05-04 Richard Guenther <rguenther@suse.de>
158 PR tree-optimization/14287
159 PR tree-optimization/14844
160 PR tree-optimization/19792
161 PR tree-optimization/21608
162 PR tree-optimization/27090
163 * tree-ssa-pre.c (try_combine_conversion): New function.
164 (compute_avail): After constructing the value-handle
165 expression, use try_combine_conversion to combine NOP_EXPRs
166 with previous value-handle expressions and use the result if it
169 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
171 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
173 2006-05-04 Jan Hubicka <jh@suse.cz>
176 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
178 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
180 * config/bfin/predicates.md (const01_rtx): Tell generator programs
181 that this only matches CONST_INTs. All users changed to VOIDmode
184 * config/bfin/bfin.c: Include "optabs.h".
185 (bfin_rtx_costs): Some costs for vector operations, to allow combine
187 (enum bfin_builtins): Add a number of fractional and vector builtins.
188 (bfin_init_builtins): Likewise.
189 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
190 (safe_vector_operand, bfin_expand_binop_builtin,
191 bfin_expand_unop_builtin): New functions.
192 (bfin_expand_builtin): Handle the new builtins.
193 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
196 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
199 * Makefile.in (OBJS-common): Add see.o.
200 (see.o): Add dependencies.
201 * common.opt (fsee): New flag for the see optimization was added.
202 * opts.c (flag_see): Initialized.
203 * passes.c (init_optimization_passes, pass_see): New pass.
204 * rtl.h (see_main): Declaration as extern.
205 * timevar.def (TV_SEE): New.
206 * tree-pass.h (pass_see): Declaration as extern.
207 * invoke.texi (-fsee): Document.
208 * recog.c (validate_simplify_insn): New function.
209 * recog.h (validate_simplify_insn): Declaration as extern.
210 * df-problems.c (df_chain_dump): Check for NULL.
212 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
213 Daniel Berlin <dberlin@dberlin.org>
215 * cfgrtl.c (insert_insn_bb_end_new): New function.
216 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
218 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
220 * df.h (struct web_entry): Moved from web.c.
221 (union_defs): Declaration as extern.
222 (unionfind_root): Likewise.
223 (unionfind_union): Likewise.
224 * web.c (struct web_entry): Moved to df.h.
225 (unionfind_root): Remove static declaration.
226 (unionfind_union): Likewise.
227 (union_defs): Likewise and generalize to use callback function.
228 (web_main): Update arguments for union_defs function call.
230 2006-05-04 Richard Guenther <rguenther@suse.de>
232 PR tree-optimization/26447
233 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
234 produce SSA_NAME copies before the store stmt to avoid
235 breaking exception handling.
237 2006-05-04 Jakub Jelinek <jakub@redhat.com>
240 * gimplify.c (omp_is_private): If var is shared in some outer context,
241 return false instead of true. Stop searching on parallel context
244 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
247 * coverage.c: Use get_gcov_unsigned_t() instead of
248 unsigned_type_node all over.
250 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
252 PR tree-optimization/27381
253 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
254 maintain the same immediate_use links.
255 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
256 node rather than segfaulting.
258 2006-05-03 Jakub Jelinek <jakub@redhat.com>
261 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
262 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
263 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
265 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
267 Fix PR tree-optimization/26626
268 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
270 * tree-ssa-operands.c (access_can_touch_variable): Allow
271 typecasting through union pointers.
273 2006-05-02 Jakub Jelinek <jakub@redhat.com>
276 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
277 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
278 to find if var will be a global variable even in the nested context.
279 (omp_copy_decl): Only check for global variable at the end, it might
280 be overridden in outer contexts.
281 (scan_sharing_clauses): For global variables don't create a field.
282 (lower_rec_input_clauses): Do nothing for global shared variables.
283 Emit a barrier at the end of ILIST if there were any decls in both
284 firstprivate and lastprivate clauses.
285 (lower_send_clauses): Do nothing for global variables except for
288 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
290 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
291 of the correct signedness is returned.
293 2006-05-02 Jeff Law <law@redhat.com>
295 PR tree-optimization/27364
296 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
297 multiply expressions.
299 2006-05-02 Tom Tromey <tromey@redhat.com>
301 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
303 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
306 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
307 -mthumb -fPIC are used.
309 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
310 Joshua Kinard <kumba@gentoo.org>
313 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
314 with 64-bit pointers.
316 2006-05-02 Paul Brook <paul@codesourcery.com>
318 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
320 (create_fix_barrier): Check that a suitable barrier location is
322 (arm_reorg): Include ftmp->address in allowable range of addresses.
324 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
327 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
330 2006-05-02 Jakub Jelinek <jakub@redhat.com>
333 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
334 around RESULT_DECL for result passed by reference.
335 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
336 * omp-low.c (use_pointer_for_field): Don't look at
337 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
338 (scan_omp_1): Call remap_decl on RESULT_DECLs.
339 (lower_rec_input_clauses): Don't allocate VLA memory for the second
340 time or var for passing by reference for
341 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
342 TREE_ADDRESSABLE variables when passing by reference.
344 * omp-low.c (dump_omp_region): Fix output formatting.
347 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
348 (expand_omp_parallel): Likewise.
349 * tree-cfg.c (move_sese_region_to_fn): Likewise.
352 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
353 on statement list containing also constructors and destructors.
354 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
357 * except.c (duplicate_eh_regions): Fix clearing of
358 cfun->eh->region_array entries.
360 2006-05-01 DJ Delorie <dj@redhat.com>
362 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
364 (gcc_cv_objdump): Likewise.
365 * configure: Regenerated.
367 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
370 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
371 templates for case 3 and 4.
373 2006-05-01 DJ Delorie <dj@redhat.com>
375 * vec.c: Include bconfig.h when appropriate.
376 * Makefile.in (build/vec.o): Adjust dependencies.
377 * mkconfig.sh: Make sure config.h isn't used for build machine
380 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
382 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
384 (mark_phi_for_rewrite): New function.
385 (insert_phi_nodes_for, mark_use_interesting): Call
386 mark_phi_for_rewrite.
387 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
388 (update_ssa): Initialize and free phis_to_rewrite.
390 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
392 PR rtl-optimization/27291
393 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
394 folded to a constant.
396 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
398 PR tree-optimization/27283
399 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
400 not whole # of iteration descriptions.
401 (niter_for_exit): Return just # of iterations. Fail if # of iterations
402 uses abnormal ssa name.
403 (niter_for_single_dom_exit): Ditto.
404 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
405 return just the number of iterations.
407 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
409 PR tree-optimization/27144
410 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
411 (record_estimate): Only record constant upper bound.
412 (infer_loop_bounds_from_undefined): Call
413 compute_estimated_nb_iterations just once.
414 (proved_non_wrapping_p): Renamed to ...
415 (n_of_executions_at_most): ... this. Expect bound to be a constant.
416 (convert_step_widening, scev_probably_wraps_p): Call
417 n_of_executions_at_most instead of proved_non_wrapping_p.
418 (substitute_in_loop_info): Do not replace values in bounds.
419 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
422 2006-05-01 Richard Henderson <rth@redhat.com>
425 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
426 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
429 2006-05-01 Roger Sayle <roger@eyesopen.com>
431 * c-typeck.c (parser_build_binary_op): Don't call the function
432 unsigned_conversion_warning to spot operand/result type overflow.
433 (build_binary_op): Instead, call convert_and_check instead of
434 convert to report the problem when the operands are promoted.
435 * c-common.c (unsigned_conversion_warning): Make static.
436 * c-common.h (unsigned_conversion_warning): Delete prototype.
438 2006-05-01 Richard Guenther <rguenther@suse.de>
440 PR tree-optimization/26726
441 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
443 (find_interesting_uses_address): ... we work around here
444 by folding INDIRECT_REFs in the substituted base.
446 2006-05-01 Diego Novillo <dnovillo@redhat.com>
448 * omp-low.c (dump_omp_region): Add newlines.
450 2006-04-30 Roger Sayle <roger@eyesopen.com>
452 * common.opt (Woverflow): New command line option.
453 * c-common.c (constant_expression_warning): Check warn_overflow.
454 (overflow_waring): Pass OPT_Woverflow to warning.
455 (unsigned_conversion_warning): Likewise.
456 (convert_and_check): Likewise.
457 * doc/invoke.texi: Document new command line option.
459 2006-04-30 David Edelsohn <edelsohn@gnu.org>
461 * config/rs6000/rs6000.c (rs6000_override_options): Enable
462 TARGET_NO_FP_IN_TOC for section anchors.
463 (optimization_options): Enable section anchors for all
464 non-"Objective" languages.
466 2006-04-28 Eric Christopher <echristo@apple.com>
468 * config/darwin-c.c (darwin_ms_struct): Move this
469 (darwin_set_default_type_attributes): and this...
470 * config/darwin.c: ... here.
471 * config/darwin.h (darwin_ms_struct): Declare.
473 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
475 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
477 2006-04-28 Roger Sayle <roger@eyesopen.com>
480 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
481 (push_array_bounds): Delete prototype. Change BOUNDS argument to
482 an unsigned HOST_WIDE_INT.
483 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
485 (really_start_incremental_init): No need to call convert because
486 bitsize_zero_node is already of type bitsizetype.
487 (push_init_level): Extract the value of constructor_index as an
488 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
489 (process_init_element): Likewise.
491 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
493 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
494 value before passing to make_relative_prefix.
496 2006-04-28 Alan Modra <amodra@bigpond.net.au>
499 * builtins.c (expand_builtin_memset): Expand val in original mode.
501 2006-04-27 Eric Christopher <echristo@apple.com>
503 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
505 * config/darwin-c.c (darwin_ms_struct): New.
506 (darwin_pragma_ms_struct): Ditto.
507 (darwin_set_default_type_attributes): Ditto.
508 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
509 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
510 Register ms_struct pragma.
511 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
512 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
513 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
514 darwin_set_default_type_attributes if TARGET_MACHO.
516 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
518 PR tree-optimization/26854
519 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
520 * doc/tree-ssa.texi: Update immuse iterator documentation.
521 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
522 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
523 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
524 first_safe_imm_use, next_safe_imm_use): Remove.
525 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
526 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
527 (move_use_after_head): New. Helper function to sort immuses in a stmt.
528 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
529 (first_imm_use_stmt): New. Get first stmt in an immuse list.
530 (next_imm_use_stmt): New. Get next stmt in an immuse list.
531 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
532 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
533 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
534 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
535 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
536 (perfect_nestify): Use new iterator.
537 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
539 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
540 (next_imm_name): New field in struct immediate_use_iterator_d.
541 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
542 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
543 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
544 * tree-cfg.c (replace_uses_by): Use new iterator.
545 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
546 * tree-ssa-operands.c (correct_use_link): Remove.
547 (finalize_ssa_use_ops): No longer call correct_use_link.
549 2006-04-27 Stuart Hastings <stuart@apple.com>
551 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
552 * config/t-darwin (crt3.o): Use it.
553 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
554 'pmode', use Pmode instead of SImode for SYMBOL_REF.
555 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
556 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
557 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
560 2006-04-27 Roger Sayle <roger@eyesopen.com>
562 * expmed.c (store_fixed_bit_field): If we're not optimizing for
563 size, force the intermediate into a new pseudo rather instead of
564 performing both a bitwise AND and a bitwise IOR in memory.
566 2006-04-27 Richard Guenther <rguenther@suse.de>
568 PR rtl-optimization/26685
569 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
570 this one "max-flow-memory-locations".
572 2006-04-27 Richard Guenther <rguenther@suse.de>
574 PR tree-optimization/25148
575 * tree-vrp.c (compare_values): Remove code dealing with
576 comparisons against type min/max value. Honour overflow
577 and negative constants in code dealing with comparisons
578 of plus and minus expressions.
579 (value_inside_range): Use fold_binary with LE_EXPR and
580 GE_EXPR rather than compare_values.
582 2006-04-27 Dirk Mueller <dmueller@suse.de>
584 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
587 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
589 * basic-block.h (safe_insert_insn_on_edge): Removed.
590 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
592 2006-04-26 David Edelsohn <edelsohn@gnu.org>
593 Paolo Bonzini <bonzini@gnu.org>
596 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
597 (simplify_and_const_int): Same.
599 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
601 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
603 2006-04-26 Jakub Jelinek <jakub@redhat.com>
606 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
607 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
608 cgraph_global_info_ready.
611 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
614 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
615 either decl or init is error_mark_node.
618 * tree-flow.h (struct omp_region): Add sched_kind.
619 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
620 instead of extracting omp for data.
621 (expand_omp_for): Save extracted sched_kind.
623 2006-04-25 Roger Sayle <roger@eyesopen.com>
625 * expmed.c (store_bit_field): Also check whether the bitsize is
626 valid for the machine's "insv" instruction before moving the
627 target into a pseudo for use with the insv.
628 * config/i386/predicates.md (const8_operand): New predicate.
629 * config/i386/i386.md (extv, extzv, insv): Use the new
630 const8_operand predicate where appropriate.
632 2006-04-25 DJ Delorie <dj@redhat.com>
634 * doc/install.texi (Specific): Clarify that this is not a list of
635 supported hosts or targets.
637 2006-04-25 Richard Sandiford <richard@codesourcery.com>
639 PR rtl-optimization/26725
640 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
641 block's BB_DIRTY flag.
643 2006-04-25 Geoffrey Keating <geoffk@apple.com>
645 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
648 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
651 2006-04-25 David Edelsohn <edelsohn@gnu.org>
653 * varasm.c (align_variable): New function.
654 (get_block_for_decl): Apply align_variable to DECL before
655 calculating section information.
656 (assemble_variable): Split out alignment computation.
658 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
660 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
663 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
665 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
666 MODE_PARTIAL_INT mode.
667 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
668 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
670 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
671 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
673 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
675 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
677 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
678 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
679 MACFLAG_IH): Likewise.
680 (movstricthi_1): Renamed from "*movstricthi".
681 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
682 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
683 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
684 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
685 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
686 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
687 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
688 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
689 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
690 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
691 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
692 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
693 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
694 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
695 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
697 * doc/rtl.texi (ss_ashift): Improve wording.
699 2006-04-24 Geoffrey Keating <geoffk@apple.com>
701 * dwarf2out.c (verify_marks_clear): New.
702 (prune_unused_types): Call verify_marks_clear initially, not
705 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
707 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
708 * doc/rtl.texi: Document them.
709 * simplify-rtx.c (simplify_unary_operation,
710 simplify_binary_operation_1): Don't abort when we see them.
712 2006-04-24 Mark Mitchell <mark@codesourcery.com>
715 2006-04-23 Mark Mitchell <mark@codesourcery.com>
716 * configure.ac: Completely disregard languages that are not
718 * configure: Regenerated.
720 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
721 Richard Guenther <rguenther@suse.de>
723 PR tree-optimization/27236
724 * tree-inline.c (copy_body_r): Make sure to copy
725 TREE_THIS_VOLATILE flag.
727 2006-04-24 Richard Guenther <rguenther@suse.de>
730 * tree-complex.c (update_parameter_components): Don't handle
731 unused parameters which have no default def.
733 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
734 Richard Guenther <rguenther@suse.de>
736 PR tree-optimization/27218
737 * tree-inline.c (expand_call_inline): Strip useless type
738 conversions for the return slot address.
740 2006-04-24 Richard Guenther <rguenther@suse.de>
742 * cfgloop.h (struct loops): Remove unused field array. Reorder
744 (LOOP_PREFETCH): Remove.
746 2006-04-24 Richard Guenther <rguenther@suse.de>
748 PR tree-optimization/22525
749 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
750 variable, adjust types of generated expressions.
752 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
754 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
755 (tree-vect-patterns.o): Likewise.
757 (cselib.o): Likewise.
758 (loop-doloop.o): Likewise.
759 (regclass.o): Likewise.
760 (reload1.o): Likewise.
761 (explow.o): Replace target.h with $(TARGET_H).
762 (ipa-prop.o): Likewise.
763 (ipa-cp.o): Likewise.
764 (ipa-inline.o): Likewise.
766 (reg-stack.o): Likewise.
768 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
770 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
772 2006-04-23 Mark Mitchell <mark@codesourcery.com>
774 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
776 * configure.ac: Completely disregard languages that are not
778 * configure: Regenerated.
781 * c-common.h (c_build_bitfield_integer_type): Declare.
782 * c-decl.c (c_build_bitfield_integer_type): Move to ...
783 * c-common.c (c_build_bitfield_integer_type): ... here.
785 2006-04-23 Roger Sayle <roger@eyesopen.com>
788 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
789 a SImode SUBREG of a floating point register after no_new_pseudos.
791 2006-04-23 Roger Sayle <roger@eyesopen.com>
793 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
794 identify potentially eliminable registers to additionally catch
795 VIRTUAL_INCOMING_ARGS_REGNUM.
796 (addsi3): Update the conditions on when to use addsi_small_int.
798 2006-04-23 Roger Sayle <roger@eyesopen.com>
801 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
802 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
803 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
805 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
807 * fold-const.c (range_predecessor): Use operand_equal_p
808 as the predicate for equality.
809 (range_successor): Likewise.
811 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
814 * config/soft-fp/op-common.h: Fix a typo.
816 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
819 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
820 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
822 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
824 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
826 * doc/tm.texi: Fix a typo.
828 2006-04-21 Geoffrey Keating <geoffk@apple.com>
830 * dwarf2out.c (struct die_struct): Document that die_sib makes
831 a circular linked list.
832 (FOR_EACH_CHILD): New.
833 (reverse_die_lists): Delete.
834 (reverse_all_dies): Delete.
835 (add_dwarf_attr): Correct documentation.
836 (remove_child_with_prev): New.
837 (remove_child_TAG): Update for change to die_struct, use
838 remove_child_with_prev.
839 (add_child_die): Update for change to die_struct.
840 (splice_child_die): Use remove_child_with_prev and add_child_die.
841 (print_die): Use FOR_EACH_CHILD.
842 (die_checksum): Likewise.
843 (assign_symbol_names): Likewise.
844 (output_location_lists): Likewise.
845 (build_abbrev_table): Likewise.
846 (calc_die_sizes): Likewise.
847 (mark_dies): Likewise.
848 (unmark_dies): Likewise.
849 (unmark_all_dies): Likewise.
850 (output_die): Likewise.
851 (prune_unused_types_mark): Likewise.
852 (prune_unused_types_walk): Likewise.
853 (same_die_p): Update for change to die_struct.
854 (break_out_includes): Likewise.
855 (prune_unused_types_prune): Likewise.
856 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
857 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
859 (dwarf2out_finish): Don't call reverse_all_dies.
861 2006-04-21 Eric Christopher <echristo@apple.com>
863 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
864 in comments and function names.
866 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
869 * c-typeck.c (digest_init): Robustify.
871 * c-typeck.c (pop_init_level): Simplify.
873 2006-04-21 Steve Ellcey <sje@cup.hp.com>
875 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
877 2006-04-21 Paul Brook <paul@codesourcery.com>
879 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
880 hardware floating point.
882 2006-04-21 David Edelsohn <edelsohn@gnu.org>
884 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
887 2006-04-21 Nick Clifton <nickc@redhat.com>
889 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
892 2006-04-21 Alan Modra <amodra@bigpond.net.au>
895 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
896 C++ lang type in traceback table for Objective-C++.
898 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
900 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
902 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
904 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
907 * tree-mudflap.c (mudflap_finish_file): Skip function when there
908 were errors. Remove check for erroneous objects.
910 2006-04-20 Jeff Law <law@redhat.com>
912 PR tree-optimization/26854
913 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
914 checking for zero or one use.
915 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
916 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
917 * tree-ssa-reassoc.c (negate_value): Similarly.
918 (reassociate_bb): Similarly.
920 2006-04-20 Jakub Jelinek <jakub@redhat.com>
922 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
923 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
924 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
926 2006-04-20 Alan Modra <amodra@bigpond.net.au>
928 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
929 fp regs if the last fp arg doesn't fit in regs.
931 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
934 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
935 that the last insn has the REG_INC note.
937 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
938 Nathan Sidwell <nathan@codesourcery.com>
941 * stor-layout.c (update_alignment_for_field): Do not align
943 (place_union_field): Place union field at the start of the union.
944 (place_field): Move ERROR_MARK check later, and use the current
945 allocation position to maintain monotonicity.
947 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
949 * dominance.c: Include timevar.h.
950 (calculate_dominance_info): Use TV_DOMINANCE.
951 * timevar.def (TV_DOMINANCE): New timevar.
952 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
954 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
956 PR rtl-optimization/14261
957 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
958 move would be an INSV insn.
959 (noce_process_if_block): Don't optimize if the destination is a
960 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
962 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
964 * config/s390/s390.md: Add comments with the instructions emitted
965 by an insn pattern if macros are used.
967 2006-04-19 Alan Modra <amodra@bigpond.net.au>
969 PR rtl-optimization/26026
970 * fold-const.c (fold_binary): Optimize div and mod where the divisor
971 is a known power of two shifted left a variable amount.
973 2006-04-18 Geoffrey Keating <geoffk@apple.com>
975 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
976 to hash table twice when the debug_str section has SECTION_MERGE.
978 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
980 * config/soft-fp: New directory. From glibc.
981 * config/soft-fp/t-softfp: New.
982 * config/soft-fp/README: New.
983 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
984 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
985 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
986 (LIBGCC_DEPS): Add $(SFP_MACHINE).
987 * config.gcc: Use rs6000/t-fprules-fpbit or
988 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
990 * config/rs6000/sfp-machine.h: New. Based on glibc.
991 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
993 * config/rs6000/t-fprules: Remove fp-bit rules.
994 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
995 * config/rs6000/t-linux64: Likewise. Remove duplicates from
996 LIB2FUNCS_EXTRA. Remove fp-bit rules.
997 (softfp_wrap_start, softfp_wrap_end): New.
999 2006-04-18 DJ Delorie <dj@redhat.com>
1001 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1003 2006-04-18 Devang Patel <dpatel@apple.com>
1005 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1007 2006-04-18 Nick Clifton <nickc@redhat.com>
1009 * config/sh/t-symbian: Add rule to build sh-c.o
1010 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1011 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1012 (sh_symbian_encode_section_info): Likewise.
1014 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1016 * builtins.c (expand_builtin_strcmp): Cover label definition of
1017 do_libcall with HAVE_cmpstrnsi.
1019 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1021 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1023 * function.h (temp_slot_p): New.
1024 (function): Change the type of x_used_temp_slots to
1025 VEC(temp_slot_p,gc) *.
1027 2006-04-18 Nick Clifton <nickc@redhat.com>
1029 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1030 flag_strength_reduce.
1032 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1034 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1038 Partial revert of revision 112637
1039 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1040 Dale Johannesen <dalej@apple.com>
1043 * regclass.c (struct reg_pref): Update documentation.
1044 (regclass): Set prefclass to NO_REGS if memory is the best option.
1045 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1047 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1049 PR tree-optimization/26821
1050 * tree-ssa-math-opts.c (get_constant_one): New.
1051 (insert_reciprocals): Use it.
1053 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1055 * dwarf2out.c (free_AT): Delete.
1056 (remove_AT): Update string ref counts.
1057 (remove_child_TAG): Don't call free_die.
1059 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1060 or DW_TAG_GNU_EINCL.
1061 (prune_unused_types_walk_attribs): Reset string refcounts.
1062 (prune_unused_types_update_strings): New.
1063 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1064 call free_die. Do call prune_unused_types_update_strings.
1065 (prune_unused_types): Empty debug_str_hash.
1067 2006-04-17 Roger Sayle <roger@eyesopen.com>
1069 * expr.c (expand_assignment): Optimize away no-op moves where the
1070 source and destination are equal and have no side-effects.
1072 2006-04-17 Richard Guenther <rguenther@suse.de>
1075 * reload.c (push_reload): Guard calls to get_secondary_mem
1078 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1080 * alias.c (reg_base_value, old_reg_base_value): Change the
1081 type to VEC(rtx,gc) *.
1082 (REG_BASE_VALUE, find_base_value, record_set,
1083 init_alias_analysis): Use VEC instead of VARRAY.
1085 * alias.c (alias_sets): Change the type to
1086 VEC(alias_set_entry,gc) *.
1087 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1088 VEC instead of VARRAY.
1089 (last_alias_set): Remove.
1091 * cgraph.h (cgraph_edge_p): New.
1092 Update the prototype of cgraph_function_versioning.
1093 * cgraphunit.c (cgraph_copy_node_for_versioning,
1094 cgraph_function_versioning): Use VEC instead of VARRAY.
1095 * ipa-cp.c (ipcp_insert_stage): Likewise.
1097 2006-04-16 Roger Sayle <roger@eyesopen.com>
1100 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1101 "A op B" or "A op C", we may need to convert A to the type of B and C.
1103 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1105 * target.h (struct gcc_target): Add mode_rep_extended.
1106 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1107 (init_num_sign_bit_copies_in_rep): Initialize it using
1109 (truncate_to_mode): Use it.
1110 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1111 * targhooks.h (default_mode_rep_extended): Declare it.
1112 * targhooks.c (default_mode_rep_extended): Define it.
1113 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1114 default_mode_rep_extended.
1115 (TARGET_INITIALIZER): Include it.
1116 * doc/tm.texi (Misc): Document it.
1117 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1118 (mips_truncated_to_mode): New function.
1120 2006-04-16 Roger Sayle <roger@eyesopen.com>
1123 * expr.c (compress_float_constant): Copy the narrow constant into
1124 a new pseudo before extending it to its final width.
1126 2006-04-16 Roger Sayle <roger@eyesopen.com>
1127 Andrew Pinski <pinskia@gcc.gnu.org>
1128 Dale Johannesen <dalej@apple.com>
1131 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1132 special case code to implement V8HImode and V16QImode with SSE2.
1134 2006-04-15 Roger Sayle <roger@eyesopen.com>
1136 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1137 trees are constructed with a suitable tree type.
1139 2006-04-15 Roger Sayle <roger@eyesopen.com>
1141 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1142 (integer_onep): Likewise.
1143 (integer_all_onesp): Likewise.
1144 (integer_pow2p): Likewise.
1145 (integer_nonzerop): Likewise.
1146 (real_zerop): Likewise.
1147 (real_onep): Likewise.
1148 (real_twop): Likewise.
1149 (real_minus_onep): Likewise.
1150 (int_size_in_bytes): Likewise.
1151 (host_integerp): Likewise.
1153 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1155 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1156 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1157 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1159 * tree-ssa-structalias.h (alias_info): Remove num_references.
1161 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1163 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1164 (output_bvb patterns): Likewise.
1165 * pa.c (output_bb): Use 'bb' insn for long branch case.
1166 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1167 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1168 1. Correct length operand for alternatives 1 and 2.
1169 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1170 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1172 2006-04-14 Roger Sayle <roger@eyesopen.com>
1174 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1175 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1176 were accidentally reverted by r112959.
1178 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1181 * except.h (eh_region_outermost): New prototype.
1182 * except.c (eh_region_outermost): New function.
1183 * tree-cfg.c (find_outermost_region_in_block): Use it.
1185 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1187 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1189 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1190 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1191 (init_reload, reload): Use VEC instead of VARRAY.
1192 * reload.h: Update the prototype for
1193 reg_equiv_memory_loc_varray.
1195 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1196 Eric Botcazou <ebotcazou@libertysurf.fr>
1198 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1201 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1204 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1205 to expand fallback builtin function call.
1207 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1210 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1211 and emit libcall here in case the builtin fails.
1212 (expand_builtin_strcmp): Always emit the libcall here on failure.
1214 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1216 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1217 * flow.c (reg_n_info): Change the type to
1218 VEC(reg_info_p,heap) *.
1219 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1221 * regs.h (reg_info_p): New.
1222 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1223 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1224 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1227 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1229 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1231 * params.h (MAX_SCHED_READY_INSNS): New macro.
1232 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1233 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1234 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1235 the ready list for 1 cycle during the first scheduling pass.
1236 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1238 2006-04-13 Richard Henderson <rth@redhat.com>
1241 * gimple-low.c (lower_omp_directive): Remove dead code.
1242 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1243 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1244 * omp-low.c (struct omp_region): Move to tree-flow.h.
1245 (root_omp_region): Export.
1246 (omp_regions, lookup_omp_region): Remove.
1247 (determine_parallel_type): Update for struct omp_region changes.
1248 (dump_omp_region): Dump regions with block numbers.
1249 (new_omp_region): Take type and block instead of stmt; malloc
1251 (free_omp_region_1, free_omp_regions): New.
1252 (expand_parallel_call): Take entry_stmt as argument; update for
1253 changes to omp_region.
1254 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1255 (remove_exit_barriers): New.
1256 (expand_omp_parallel): Update for struct omp_region changes.
1257 (expand_omp_synch): Likewise.
1258 (expand_omp): Likewise.
1259 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1260 (expand_omp_for_static_chunk): Likewise.
1261 (expand_omp_for): Likewise.
1262 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1263 (expand_omp_sections): Similarly, with GOMP_sections_end.
1264 (expand_omp_single): New.
1265 (build_omp_regions_1): Update for OMP_CONTINUE.
1266 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1267 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1268 OMP_SECTIONS_SECTIONS.
1269 (lower_omp_single_simple): Don't emit barrier here.
1270 (lower_omp_single_copy): Likewise.
1271 (lower_omp_single): Fix bindings, and lower to straightline now.
1272 (lower_omp_master, lower_omp_ordered): Likewise.
1273 (lower_omp_critical): Likewise.
1274 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1275 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1276 omp edges, free it afterward.
1277 (make_omp_sections_edges): Remove.
1278 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1279 (move_stmt_r): Handle OMP_CONTINUE.
1280 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1281 statement pointers to basic blocks. Add type member.
1282 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1283 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1284 * tree-inline.c (estimate_num_insns_1): Likewise.
1285 * tree-pretty-print.c (dump_generic_node): Likewise.
1286 * tree-ssa-operands.c (get_expr_operands): Likewise.
1287 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1288 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1289 (OMP_CONTINUE): New.
1290 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1291 (OMP_SECTIONS_SECTIONS): Remove.
1292 (OMP_SECTION_LAST): New.
1293 (OMP_RETURN_NOWAIT): New.
1295 2006-04-13 Roger Sayle <roger@eyesopen.com>
1297 * fold-const.c (native_encode_vector, native_interpret_real):
1298 Correct obvious mistakes in the previous check-in.
1300 2006-04-13 Roger Sayle <roger@eyesopen.com>
1302 * fold-const.c (native_encode_expr): New function to encode
1303 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1304 or VECTOR_CST into a specified buffer.
1305 (native_encode_int): New function.
1306 (native_encode_real): New function.
1307 (native_encode_complex): New function.
1308 (native_encode_vector): New function.
1309 (native_interpret_expr): Inverse of native_encode_expr to convert
1310 a target representation into an INTEGER_CST, REAL_CST etc...
1311 (native_interpret_int): New function.
1312 (native_interpret_real): New function.
1313 (native_interpret_complex): New function.
1314 (native_interpret_vector): New function.
1315 (fold_view_convert_expr): New function to constant fold/evaluate
1316 a VIEW_CONVERT_EXPR of a suitable constant expression.
1317 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1318 Change call of build1 to fold_build1 when constructing a
1321 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1322 Ulrich Weigand <uweigand@de.ibm.com>
1325 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1328 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1331 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1332 optimize to lo_sum for DFmode if !TARGET_FPRS.
1334 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1336 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1337 delete_alias_info, compute_flow_sensitive_aliasing,
1338 group_aliases): Use VEC instead of VARRAY.
1339 * tree-ssa-structalias.c (update_alias_info): Likewise.
1340 * tree-ssa-structalias.h (alias_info): Change the type of
1341 processed_ptrs to VEC(tree,heap) *.
1343 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1346 * config/sh/lib1funcs.h: New file, broken out of:
1347 * config/sh/lib1funcs.asm.
1348 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1350 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1351 * config/sh/lib1funcs-Os-4-200.asm: New file.
1352 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1353 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1354 (EXTRA_MULTILIB_PARTS): Include it.
1355 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1356 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1357 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1358 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1361 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1363 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1364 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1365 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1367 * tree-ssa-live.h: Include vecprim.h.
1368 (tree_partition_associator_d): Change the type of
1369 first_partition to VEC(int,heap) *.
1370 (tpa_first_partition): Use VEC instead of VARRAY.
1372 * Makefile.in (GTFILES): Move functions.h after tree.h.
1373 * function.c (reset_block_changes, record_block_change,
1374 check_block_change, free_block_changes): Use VEC instead of
1376 * function.h (function): Change the type of
1377 ib_boundaries_block to VEC(tree,gc) *.
1378 * tree-inline.c (copy_cfg_body): Initialize
1379 ib_boundaries_block to NULL instead of (varray_type) 0.
1381 2006-04-12 Roger Sayle <roger@eyesopen.com>
1383 * expr.c (emit_group_store): Correct operand order in call to
1384 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1385 a SUBREG_BYTE of zero.
1387 2006-04-12 Richard Guenther <rguenther@suse.de>
1389 * profile.c (compute_branch_probabilities): Remove code
1390 encapsulated in !ir_type (), which are remanents of the
1391 removed RTL profiling code.
1392 * rtl-profile.c: Remove.
1394 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1396 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1397 magic NULL_RTX comment.
1398 (function_arg): Store entire fp arg to mem if any part should go
1400 (rs6000_arg_partial_bytes): Adjust for above change.
1402 2006-04-11 Roger Sayle <roger@eyesopen.com>
1404 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1405 if it hasn't been initialized by dwarf2out_init.
1407 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1409 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1410 symbolic constants in branch patterns.
1412 2006-04-11 Roger Sayle <roger@eyesopen.com>
1414 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1416 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1418 PR rtl-optimization/27073
1419 * gcse.c (try_replace_reg): Revert last change. Continue to search
1420 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1423 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1425 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1426 aggregate types other than record and union types.
1427 (function_arg): Likewise.
1428 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1430 (function_value): In 64-bit mode, return objects that require it
1433 2006-04-11 Roger Sayle <roger@eyesopen.com>
1435 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1437 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1439 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1441 2006-04-03 Jeff Law <law@redhat.com>
1444 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1445 alias information too.
1447 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1449 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1451 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1454 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1455 (premark_used_types_helper): New.
1456 (premark_used_types): New.
1457 (gen_subprogram_die): Call premark_used_types.
1458 (prune_unused_types_walk): Do not prune perennial dies.
1459 * function.c (used_types_insert): New.
1460 * function.h (struct function): Add used_types_hash field.
1461 (used_types_insert): Add prototype.
1462 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1463 * c-parser.c (c_parser_cast_expression): Save casted types in used
1466 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1469 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1470 rs6000_explicit_options.float_gprs.
1472 2006-04-10 Roger Sayle <roger@eyesopen.com>
1474 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1475 from ix86_expand_vector_init_low_nonzero. Take an additional
1476 one_var argument indicating which element is non-zero. Support
1477 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1478 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1479 with one_var instead of ix86_expand_vector_init_low_nonzero.
1481 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1483 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1484 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1485 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1486 build/genextract.o): Depend on vecprim.h.
1487 * cfglayout.c, df-problems.c, function.c, genextract.c,
1488 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1489 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1493 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1495 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1496 Declare VECs of this type.
1497 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1498 (remove_children): Delete.
1499 (add_dwarf_attr): Use VEC routines.
1500 (add_AT_flag): Update for changes to add_dwarf_attr.
1501 (add_AT_int): Likewise.
1502 (add_AT_unsigned): Likewise.
1503 (add_AT_long_long): Likewise.
1504 (add_AT_vec): Likewise.
1505 (add_AT_string): Likewise.
1506 (add_AT_die_ref): Likewise.
1507 (add_AT_fde_ref): Likewise.
1508 (add_AT_loc): Likewise.
1509 (add_AT_loc_list): Likewise.
1510 (add_AT_addr): Likewise.
1511 (add_AT_lbl_id): Likewise.
1512 (add_AT_lineptr): Likewise.
1513 (add_AT_macptr): Likewise.
1514 (add_AT_offset): Likewise.
1515 (add_AT_range_list): Likewise.
1516 (get_AT): Use VEC_iterate.
1517 (remove_AT): Use VEC_ordered_remove.
1518 (free_die): Fold remove_children into here; have it use VEC_iterate.
1519 (print_die): Use VEC_iterate on attrs.
1520 (reverse_die_lists): Don't reverse attr lists.
1521 (die_checksum): Use VEC_iterate on attrs.
1522 (same_die_p): Likewise.
1523 (output_location_lists): Likewise.
1524 (build_abbrev_table): Likewise.
1525 (size_of_die): Likewise.
1526 (unmark_all_dies): Likewise.
1527 (output_abbrev_section): Likewise.
1528 (output_die): Likewise.
1529 (prune_unused_types_walk_attribs): Likewise.
1531 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1533 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1535 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1538 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1540 2006-04-09 Roger Sayle <roger@eyesopen.com>
1542 * expr.c (store_constructor): Don't bother clearing target if
1543 we're about to assign a vector to it using vec_init_optab.
1545 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1547 * tree-ssa-alias.c (lhs_may_store_to): New function.
1548 (recalculate_used_alone): Handle LHS of calls.
1550 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1554 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1555 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1556 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1557 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1558 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1559 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1560 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1561 stubs. Add ".align 8" directives before all ".dword" directives.
1562 (GTHREAD_USE_WEAK): Revise comment.
1563 (TARGET_ATTRIBUTE_WEAK): Define.
1564 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1565 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1566 * stublib.c: New file.
1571 * pa.md (cbranch patterns): Revise arguments used in calls to
1572 output_cbranch, output_bb and output_bvd. Add long branch length
1574 (fbranch patterns): Handle long branches.
1575 (jump): Revise length check. Revise arguments for output_lbranch call.
1576 Add long branch length attributes.
1577 (decrement_and_branch_until_zero): Add long branch length attributes.
1578 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1579 Likewise. Revise arguments for output_parallel_addb and
1580 output_parallel_movb calls.
1581 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1582 output_parallel_movb and output_parallel_addb): Update prototypes.
1583 * pa.c (output_cbranch): Revise arguments. Correct handling of
1584 nullification in long branches.
1585 (output_lbranch): Add new argument to control extraction of delay
1587 (output_bb): Handle long branches.
1588 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1589 output_parallel_addb): Likewise.
1591 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1593 PR rtl-optimization/27073
1594 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1597 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1599 * tree.h (tree_memory_tag): Add old_used_alone.
1600 (SMT_OLD_USED_ALONE): New macro.
1601 * tree-ssa-alias.c (recalculate_used_alone): Stop
1602 marking things for renaming unnecessarily.
1604 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1606 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1607 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1608 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1609 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1610 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1611 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1612 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1613 spelling convensions.
1614 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1615 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1616 typos. Follow spelling conventions.
1618 2006-04-07 DJ Delorie <dj@redhat.com>
1620 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1621 passed on the stack.
1622 (m32c_init_cumulative_args): When a function returns a structure,
1623 always pass the pointer to that return area on the stack.
1624 (m32c_function_arg_advance): Don't increment the parameter number
1625 if we're processing the returned structure pointer.
1626 (pushm_info): Reverse order of registers.
1628 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1630 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1631 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1632 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1633 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1635 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1636 chrec_fold_multiply): Same.
1637 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1638 force_expr_to_var_cost): Same.
1639 * tree-mudflap.c (mf_xform_derefs_1): Same.
1640 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1642 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1644 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1645 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1648 2006-04-07 Jan Hubicka <jh@suse.cz>
1650 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1652 2006-04-07 Richard Guenther <rguenther@suse.de>
1654 PR tree-optimization/26135
1655 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1656 loads for store copy-prop.
1657 (copy_prop_visit_stmt): Likewise.
1659 2006-04-05 Robert Millan <robertmh@gnu.org>
1661 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1662 being overriden in config/k*bsd-gnu.h.
1663 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1665 * gcc/config/knetbsd-gnu.h: Ditto.
1667 2006-04-06 Jan Hubicka <jh@suse.cz>
1671 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1674 2006-04-06 Mike Stump <mrs@apple.com>
1676 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1677 for HAVE_nonlocal_goto to be consistent.
1678 (expand_builtin_nonlocal_goto): Likewise.
1679 (expand_builtin_strcmp): Use #ifdef instead of #if
1680 for HAVE_cmpstrnsi to be consistent.
1682 2006-04-05 DJ Delorie <dj@redhat.com>
1684 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1687 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1689 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1690 got-relative addressing for anything but SImode.
1692 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1693 even if the calling function doesn't modify them.
1695 2006-04-05 Richard Guenther <rguenther@suse.de>
1697 PR tree-optimization/26919
1698 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1699 to cgraph_estimate_size_after_inlining.
1701 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1703 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1705 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1707 PR tree-optimization/26996
1708 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1709 VECTOR_TYPE variables.
1711 2006-04-05 Richard Guenther <rguenther@suse.de>
1713 PR tree-optimization/26763
1714 * fold-const.c (fold_comparison): Move folding of
1715 PTR + CST CMP PTR + CST ...
1716 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1718 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1720 * doc/install.texi (Prerequisites): Refine some wording on
1721 bootstrapping and ksh.
1722 Move the version numbers of DejaGnu here from the testing section
1723 and fix casing of names.
1724 Fix markup and clarify wording for autogen requirements.
1725 Refer to GCJ instead of just java.
1726 Refer to SVN instead of CVS.
1727 Describe diffutils as useful instead of necessary.
1728 (Downloading the source): Refer to SVN instead of CVS.
1729 Adjust a link to our web site accordingly.
1730 (Configuration): Fix casing of Bison.
1731 (Building): Refer to SVN instead of CVS.
1732 Fix a sentence on the use of Bison and remove duplicate (and
1733 incorrect) version number of Bison requirement.
1734 Remove one redundant list of packages needed for building.
1735 (Specific): Avoid reference to CVS.
1737 2006-04-04 Eric Christopher <echristo@apple.com>
1739 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1740 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1741 (rs6000_handle_struct_attribute): New.
1742 (rs6000_ms_bitfield_layout_p): Ditto.
1744 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1746 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1747 NULL for dso parameter to atexit_common.
1749 2006-04-04 Eric Christopher <echristo@apple.com>
1751 * config/i386/i386.c (machopic_output_stub): Output \t
1752 between instructions and operands.
1754 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1756 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1757 satisfies_constraint_[IL] to explicit tests on value.
1759 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1761 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1762 set_nb_iterations_in_loop): Use build_int_cst instead of
1764 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1765 build_int_cst instead of convert.
1767 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1769 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1770 new value 2 for incoming.
1771 * function.c (expand_function_start): Call struct_value_rtx
1773 * config/sparc/sparc.md: Comment updated_return.
1774 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1775 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1776 struct return if sparc_std_struct_return and incoming is 2.
1777 (print_operand): Do not adjust return if
1778 sparc_std_struct_return.
1780 2006-04-04 Roger Sayle <roger@eyesopen.com>
1782 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1783 convert in the middle-end.
1784 * expr.c (store_expr, store_constructor, get_inner_reference,
1785 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1787 * tree.c (build_range_type): Likewise.
1789 2006-04-04 Tom Tromey <tromey@redhat.com>
1791 * doc/install.texi (Prerequisites): Mention jar.
1793 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1795 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1798 2006-04-04 Matthias Klose <doko@debian.org>
1800 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1801 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1804 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1806 * doc/extend.texi (Function Attributes): Rewrite visibility
1807 attribute documentation.
1808 * doc/invoke.texi (C++ Dialect Options): Rewrite
1809 -fvisibility-inlines-hidden documentation to describe something
1810 entirely different, although in practise compatible.
1811 (Code Gen Options): Warn about system headers in -fvisibiltity=
1814 * doc/extend.texi (Other Builtins): Document that
1815 __builtin_nan is a compile-time constant only when its argument
1818 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1820 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1821 trying to remove TRUNCATE check if all bits outside the new mode
1822 are identical to the sign bit.
1824 2006-04-03 Jeff Law <law@redhat.com>
1826 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1827 and operand scanning in some common cases.
1829 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1830 Dale Johannesen <dalej@apple.com>
1833 * regclass.c (struct reg_pref): Update documentation.
1834 (regclass): Set prefclass to NO_REGS if memory is the best option.
1835 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1836 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1837 into account. For non-registers, equate an empty preferred
1838 reload class to a `!' in the constraint; move the if clause to
1839 do so after those that reject the insn.
1840 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1842 (find_dummy_reload): Likewise.
1843 * doc/tm.texi (Register Classes): Document what it means
1844 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1845 * config/i386/i386.c (ix86_preferred_reload_class): Force
1846 using SSE registers (and return NO_REGS for floating-point
1847 constants) if math is done with SSE.
1848 (ix86_preferred_output_reload_class): New.
1849 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1850 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1851 * config/i386/i386.md: Remove # register preferences.
1853 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1856 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1857 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1858 the type of nb_iter.
1859 (instantiate_parameters_1): Convert the operands before calling
1860 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1861 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1863 2006-04-02 Roger Sayle <roger@eyesopen.com>
1865 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1866 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1868 * dojump.c (do_jump): Likewise.
1869 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1870 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1871 gimplify_boolean_expr): Likewise.
1872 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1873 * varasm.c (array_size_for_constructor): Likewise.
1874 * tree-object-size.c (compute_object_offset): Likewise.
1876 2006-04-02 Roger Sayle <roger@eyesopen.com>
1879 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1880 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1882 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1884 PR tree-optimization/26939
1885 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1887 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1889 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1890 at_stmt. Convert the type of operands before calling
1891 build_polynomial_chrec.
1892 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1894 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1895 (instantiate_parameters_1): Convert the type of operands before calling
1896 build_polynomial_chrec.
1897 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1898 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1899 reset_evolution_in_loop): Insert asserts to check the types of the
1901 (chrec_type): Moved...
1902 (eq_evolutions_p): Use operand_equal_p.
1903 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1904 the types of the operands.
1905 (chrec_type): ...here.
1906 * tree-data-ref.c (create_data_ref): Convert the operands before
1907 calling chrec_replace_initial_condition.
1908 (same_access_functions, analyze_subscript_affine_affine,
1909 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1910 (compute_subscript_distance, analyze_ziv_subscript,
1911 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1912 analyze_miv_subscript): Convert the operands before calling
1913 chrec_fold_minus or chrec_fold_plus.
1915 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1917 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1918 the dependence_relations vector.
1919 (compute_data_dependences_for_loop): Adjust call to
1920 compute_all_dependences.
1922 2006-04-01 Roger Sayle <roger@eyesopen.com>
1923 Richard Henderson <rth@redhat.com>
1925 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1926 gimple_boolify on the condition before calling gimplify_expr.
1928 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1930 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1931 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1932 the frame size. Update to use the new macros.
1933 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1934 * config/xtensa/ieee754-df.S: Likewise.
1936 2006-03-31 Richard Henderson <rth@redhat.com>
1938 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1939 (make_edges): ... here. Control fallthru creation with a local
1940 variable. Do not play with fake edges.
1941 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1942 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1945 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1947 * dwarf2.h (DW64_CIE_ID): Define.
1948 * dwarf2out.c (DWARF_CIE_ID): Define.
1949 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1950 length header. Use DWARF_CIE_ID.
1951 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1952 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1954 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1956 * config/sh/linux-atomic.asm: New file.
1957 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1959 2006-03-31 DJ Delorie <dj@redhat.com>
1961 * config/m32c/cond.md: Set condition flags properly throughout.
1962 * config/m32c/minmax.md: Likewise.
1963 * config/m32c/prologue.md: Likewise.
1964 * config/m32c/bitops.md: Likewise.
1965 * config/m32c/muldiv.md: Likewise.
1966 * config/m32c/mov.md: Likewise.
1967 * config/m32c/addsub.md: Likewise.
1968 * config/m32c/m32c.md: Likewise.
1969 * config/m32c/jump.md: Likewise.
1970 * config/m32c/shift.md: Likewise.
1972 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1973 conditionally output the pattern for this.
1974 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1975 (m32c_compare_redundant): New.
1976 (m32c_output_compare): New.
1977 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1979 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1980 dest, not src. Allow other 4-byte modes.
1982 2006-03-30 Denis Chertykov <denisc@overta.ru>
1984 * doc/md.texi: Refer to avr/constraints.md instead of
1987 2006-03-30 Roger Sayle <roger@eyesopen.com>
1989 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1990 signed vs. unsigned comparison failures on some hosts.
1992 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1995 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1996 change to FLOAT_REGS.
1998 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1999 (rs6000_override_options): Use it.
2000 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2001 only for -mabi=spe/no-spe and -mabi=altivec.
2003 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2005 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2008 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2010 * Makefile.in: Rename docdir to gcc_docdir.
2012 2006-03-30 Roger Sayle <roger@eyesopen.com>
2015 * expr.c (emit_group_store): Optimize group stores into a pseudo
2016 register by using a paradoxical subreg to initialize the destination
2017 if the first or last member of the group specifies a "low part".
2019 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2022 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2023 * target.h (struct gcc_target.speculate_insn): Change type of the
2024 second parameter to 'int'.
2025 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2026 the second operand of the DEPS_LIST.
2027 (copy_DEPS_LIST_list): Update reference to the second operand of the
2029 * rtl.h (alloc_DEPS_LIST): Update signature.
2030 * sched-int.h (ds_t): Change typedef to 'int'.
2031 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2033 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2035 * haifa-sched.c (try_ready): Change condition to restore
2036 non-speculative pattern of the instruction.
2037 (process_insn_depend_be_in_spec): Code to keep probability of the
2038 speculative dependence non-decreasing.
2040 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2042 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2043 (single_move_for_movmem): ... this. Also change all uses.
2044 (bfin_expand_strmov): Renamed to...
2045 (bfin_expand_movmem): ... this. Also change all uses.
2046 * config/bfin/bfin.md (movstrsi): Renamed to...
2047 (movstrsi): ...this.
2049 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2051 PR tree-optimization/26830
2053 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2054 (copy_prop_visit_stmt): Remove write-only variable ann.
2055 (init_copy_prop): Check variable loop depth here. Do not simulate
2056 memory-tag and virtual operand PHIs except for store copy prop.
2058 2006-03-30 Richard Guenther <rguenther@suse.de>
2060 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2061 variants with double arguments.
2063 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2065 * genpreds.c (write_tm_constrs_h): Delete variable p.
2066 * genconditions.c (write_header): Add tm-constrs.h to included
2068 * genpeep.c (main): Add toplev.h to included headers.
2069 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2070 (build/genpeep.o): Add toplev.h dependency.
2071 * config/rs6000/constraints.md: Add "W" constraint.
2073 2006-03-29 Roger Sayle <roger@eyesopen.com>
2075 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2076 sizes by correctly testing whether the size fits a host integer.
2077 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2078 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2079 SImode range for the default sizetype and bitsizetype.
2081 2006-03-29 Roger Sayle <roger@eyesopen.com>
2083 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2084 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2085 quickly if the argument is already of the correct type.
2086 Call fold_build1 instead of build1. Tidy up blank lines.
2088 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2090 * genemit.c (main): Add tm-constrs.h to included headers.
2091 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2092 * genpeep.c (main): Add tm-constrs.h to included headers.
2093 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2094 (write_tm_constrs_h): this and write complete file.
2095 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2096 (write_insn_preds_c): Add tm-constrs.h to included headers.
2097 (gen_constrs): New variable.
2098 (parse_option): Parse "-c".
2099 (main): Invoke write_tm_constrs_h.
2100 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2101 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2102 (object_out_file): Add tm-constrs.h dependency.
2103 (insn-emit.o): Same.
2104 (insn-output.o): Same.
2105 (insn-peep.o): Same.
2106 (insn-preds.o): Same.
2107 (insn-recog.o): Same.
2108 (tm-constsr.h): New target.
2109 (s-constrs-h): New target.
2111 * config/rs6000/constraints.md: New file.
2112 * config/rs6000/rs6000.c: Include tm-constrs.h.
2113 (num_insn_constant_wide): Convert to satisfies_constraint.
2114 (rs6000_rtx_costs): Convert to satisfies_constraint.
2115 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2116 (CONST_OK_FOR_LETTER_P): Delete.
2117 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2118 (EXTRA_CONSTRAINT): Delete.
2119 (EXTRA_MEMORY_CONSTRAINT): Delete.
2120 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2121 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2122 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2123 satisfies_constraint.
2125 * config/i386/i386.c: Include tm-constrs.h.
2127 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2129 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2130 * tree-data-ref.c (find_data_references_in_loop,
2131 compute_data_dependences_for_loop): Use pointers to VEC.
2132 (analyze_all_data_dependences): Adjust calls.
2133 * tree-data-ref.h (find_data_references_in_loop,
2134 compute_data_dependences_for_loop): Adjust declarations.
2135 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2136 compute_data_dependences_for_loop.
2138 2006-03-29 Paul Brook <paul@codesourcery.com>
2140 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2143 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2145 PR tree-optimization/26859
2146 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2148 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2149 for the step after fold_convert.
2151 2006-03-29 Paul Brook <paul@codesourcery.com>
2153 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2154 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2156 2006-03-29 Paul Brook <paul@codesourcery.com>
2159 * targhooks.c (default_narrow_bitfield): New fuction.
2160 * targhooks.h (default_narrow_bitfield): add prototype.
2161 * target.h (gcc_target): Add narrow_volatile_bitfield.
2162 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2163 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2164 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2165 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2167 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2169 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2171 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2172 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2173 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2174 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2175 (s390_function_arg_float): Allow SDmode and DDmode values to be
2176 passed in floating point registers.
2177 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2178 check with SCALAR_FLOAT_MODE_P.
2179 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2181 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2183 PR tree-optimization/25985
2184 * tree-ssa-loop-niter.c (number_of_iterations_le,
2185 number_of_iterations_ne): Make comments more precise.
2186 (number_of_iterations_cond): Add only_exit argument. Use the
2187 fact that signed variables do not overflow only when only_exit
2189 (loop_only_exit_p): New.
2190 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2191 number_of_iterations_cond.
2193 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2195 PR tree-optimization/26643
2196 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2199 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2201 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2202 (divsi3_i4_int): Likewise.
2204 2006-03-28 Roger Sayle <roger@eyesopen.com>
2206 * expr.c (emit_group_store): Only create a new pseudo reg if the
2207 quantity it needs to hold isn't already a suitable pseudo.
2209 2006-03-28 Jeff Law <law@redhat.com>
2211 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2212 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2214 2006-03-28 Roger Sayle <roger@eyesopen.com>
2216 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2217 the equivalent ~X & Y, and the symmetry related transformations.
2218 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2219 ~X & Y, and symmetry related transforms.
2221 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2223 Revert my 2006-03-27 patches.
2225 2006-03-28 Roger Sayle <roger@eyesopen.com>
2227 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2228 ~(T1)X, when T1 and T2 are integer types of the same precision
2229 and (T2)X isn't an extension.
2231 2006-03-28 Jeff Law <law@redhat.com>
2233 PR tree-optimization/26796
2234 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2235 need EH edge cleanups rather than purging them immediately.
2236 (eliminate_degenerate_phis): Handle queued EH cleanups.
2238 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2240 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2243 2006-03-27 Roger Sayle <roger@eyesopen.com>
2246 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2247 cast BIT_NOT_EXPR operand to the correct type.
2249 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2251 * tree-loop-linear.c: Don't include varray.h.
2252 (gather_interchange_stats, try_interchange_loops,
2253 linear_transform_loops): Use VEC instead of VARRAY.
2254 * lambda-mat.c: Don't include varray.h.
2255 * tree-chrec.c: Same.
2256 * lambda-trans.c: Same.
2257 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2258 VEC instead of VARRAY.
2259 * tree-vectorizer.h: Idem.
2260 * tree-data-ref.c (dump_data_references,
2261 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2262 initialize_data_dependence_relation, finalize_ddr_dependent,
2263 compute_all_dependences, find_data_references_in_loop,
2264 compute_data_dependences_for_loop, analyze_all_data_dependences,
2265 free_dependence_relation, free_dependence_relations,
2266 free_data_refs): Idem.
2267 * tree-data-ref.h (data_reference_p, subscript_p): New.
2268 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2269 VEC instead of VARRAY.
2270 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2271 (find_data_references_in_loop, compute_data_dependences_for_loop,
2272 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2273 dump_data_dependence_relations, free_dependence_relations,
2274 free_data_refs): Adjust declaration.
2275 (lambda_transform_legal_p): Move declaration here...
2276 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2277 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2278 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2279 vect_analyze_data_refs): Use VEC instead of VARRAY.
2280 * lambda.h (lambda_transform_legal_p): ...from here.
2281 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2282 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2283 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2284 tree-chrec.o): Don't depend on VARRAY_H.
2286 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2288 * rtl.def (Copyright): Update date.
2289 (DEPS_LIST): Change type of the second operand to 'int'.
2290 * target.h (Copyright): Update date.
2291 (struct gcc_target.speculate_insn): Change type of the second parameter
2293 * lists.c (Copyright): Update date.
2294 (alloc_DEPS_LIST): Change signature. Update reference to the second
2295 operand of the DEPS_LIST.
2296 (copy_DEPS_LIST_list): Update reference to the second operand of the
2298 * rtl.h (Copyright): Update date.
2299 (alloc_DEPS_LIST): Update signature.
2300 * sched-int.h (Copyright): Update date.
2301 (ds_t): Change typedef to 'int'.
2302 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2304 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2306 * haifa-sched.c (Copyright): Update date.
2307 (try_ready): Change condition to restore non-speculative pattern
2309 (process_insn_depend_be_in_spec): Code to keep probability of the
2310 speculative dependence non-decreasing.
2312 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2314 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2315 shut up the compiler.
2317 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2319 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2320 to use lib prefix for target.
2321 ($(T)libic_invalidate_array_4-200.a): Likewise.
2322 ($(T)libic_invalidate_array_4a.a): Likewise.
2324 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2325 J"orn Rennecke <joern.rennecke@st.com>
2327 * superh.opt: New file.
2328 * sh.c (boardtype, osruntime): Remove.
2329 * superh.h (SUBTARGET_OPTIONS): Remove.
2330 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2332 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2333 arguments with ^ and/or [].
2335 * config.gcc (sh-*-*): Add quoting to account for quirk of
2337 Replace == with = in enable_incomplete_targets test.
2339 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2340 with MASK_LITTLE_ENDIAN.
2342 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2343 * config/sh/sh.opt: Added to some comments.
2344 * config/sh/superh.h: Removed some chaff.
2346 * config/sh/sh.opt: Add m4-[1234]00* options.
2347 * config/sh/sh.c (sh_handle_option): Likewise.
2348 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2349 (ic_invalidate_array_4-100.o): New rule.
2350 ($(T)libic_invalidate_array_4-100.a): Likewise.
2351 (ic_invalidate_array_4-200.o): Likewise.
2352 ($(T)libic_invalidate_array_4-200.a): Likewise.
2353 (ic_invalidate_array_4a.o): Likewise.
2354 ($(T)libic_invalidate_array_4a.a): Likewise.
2355 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2356 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2358 * config/sh/crt1.asm: Merged in profiling code.
2359 * config/sh/superh.h (STARTFILE_SPEC): Override.
2360 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2361 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2362 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2364 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2365 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2366 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2368 * sh.opt (mpretend-cmove): New option.
2369 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2370 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2371 (movsicc): Add TARGET_PRETEND_CMOVE code.
2373 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2375 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2376 s390_class_max_nregs): New function prototypes.
2377 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2378 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2379 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2380 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2382 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2384 * dwarf2out.c (add_location_or_const_value_attribute): Call
2385 tree_add_const_value_attribute if nothing else works.
2386 (reference_to_unused): New.
2387 (rtl_for_decl_init): Use reference_to_unused to decide whether
2388 to output an initializer.
2390 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2393 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2394 peephole removing spe frob_di_df_2.
2396 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2398 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2399 (subscript_dependence_tester_1): Declared.
2400 (print_dir_vectors, print_dist_vectors): New.
2401 (debug_data_dependence_relation): New.
2402 (dump_data_dependence_relation): Print more details.
2403 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2404 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2405 (save_dist_v, save_dir_v, add_outer_distances,
2406 build_classic_dist_vector_1): New.
2407 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2408 Don't test for lambda_vector_lexico_pos.
2409 (same_access_functions, add_multivariate_self_dist,
2410 add_other_self_distances, dir_from_dist): New.
2411 (build_classic_dir_vector): Replace implementation almost identical to
2412 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2414 (subscript_dependence_tester_1): New.
2415 (subscript_dependence_tester): Handle the lexicographically negative
2416 distance vectors by recomputing the dependence relation.
2417 (compute_affine_dependence): Remove parameter loop_nest_depth.
2418 (compute_self_dependence): Don't call compute_subscript_distance.
2419 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2420 Add a parameter for the loop_nest.
2421 (find_loop_nest_1, find_loop_nest): New.
2422 (compute_data_dependences_for_loop): Compute the loop nest, and give
2423 up if the nest is not well formed.
2424 * tree-data-ref.h (loop_p): New.
2425 (struct data_dependence_relation): Replace size_vect field with
2426 loop_nest, a vec of loops.
2427 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2428 (DDR_LOOP_NEST): New.
2429 (print_dir_vectors, print_dist_vectors,
2430 debug_data_dependence_relation): Declared.
2431 (index_in_loop_nest): New.
2432 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2433 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2436 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2438 * simplify-rtx.c (simplify_relational_operation): Call
2439 simplify_relational_operation_1 even if mode is VOIDmode.
2441 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2443 PR tree-optimization/26804
2444 * tree.h (DECL_CALL_CLOBBERED): New macro.
2445 (tree_decl_common): Add call_clobbered_flag.
2446 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2447 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2448 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2449 (mark_non_addressable): Ditto.
2450 * tree-ssa.c (verify_call_clobbered): New function.
2451 (verify_alias_info): Use it.
2452 * tree-pass.h (pass_reset_cc_flags): New prototype.
2453 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2454 (reset_cc_flags): New function.
2455 * passes.c (init_optimization_passes): Call reset_cc_flags after
2456 initializing referenced_vars.
2458 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2459 Roger Sayle <roger@eyesopen.com>
2462 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2463 to 1.0 for non-real operands. Implement A / A optimization for
2466 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2468 * config/i386/i386.c (size_cost): Correct the comment for
2469 cost of storing fp registers.
2470 (i386_cost): Likewise.
2471 (i486_cost): Likewise.
2472 (pentium_cost): Likewise.
2473 (pentiumpro_cost): Likewise.
2474 (k6_cost): Likewise.
2475 (athlon_cost): Likewise.
2476 (k8_cost): Likewise.
2477 (pentium4_cost): Likewise.
2478 (nocona_cost): Likewise.
2479 (generic64_cost): Likewise.
2480 (generic32_cost): Likewise.
2482 2006-03-24 Denis Chertykov <denisc@overta.ru>
2484 * config/avr/avr-protos.h (extra_constraint): Delete.
2485 (extra_constraint_Q): New declaration.
2486 * config/avr/constraints.md: New file.
2487 * config/avr/avr.md: Include it.
2488 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2489 (TMP_REGNO, ZERO_REGNO): Likewise.
2490 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2491 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2492 (extra_constraint): Delete.
2493 (extra_constraint_Q): Test for memory constraint 'Q'.
2494 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2495 (REG_CLASS_FROM_LETTER): Delete.
2496 (CONST_OK_FOR_LETTER_P): Delete.
2497 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2498 (EXTRA_CONSTRAINT): Delete.
2499 (TMP_REGNO): Delete.
2500 (ZERO_REGNO): Delete.
2502 2006-03-24 Jeff Law <law@redhat.com>
2504 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2505 directly. Call mark_new_vars_to_rename slightly earlier.
2507 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2509 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2511 (gen_compile_unit_die): Use new language types for Objective-C and
2513 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2514 DW_LANG_C_plus_plus.
2517 * config/t-darwin (crt3.o): Work around bug 26840.
2518 * config/darwin-crt3.c: Rewrite.
2519 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2521 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2523 * doc/invoke.texi: Document -femit-class-debug-always
2524 * common.opt: Add -femit-class-debug-always.
2526 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2528 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2529 index and base register.
2530 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2531 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2532 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2533 REGNO_OK_FOR_INDEX_P.
2534 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2536 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2537 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2538 REG_OK_FOR_BASE_P): Definitions removed.
2540 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2543 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2544 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2545 set yet or weren't marked as local yet.
2547 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2549 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2552 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2554 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2555 (rs6000_legitimate_small_data_p): Delete.
2556 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2557 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2558 and make static. Add forward declaration. Update uses.
2559 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2560 of offsettable_memref_p.
2561 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2562 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2564 2006-03-24 Jeff Law <law@redhat.com>
2566 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2567 around bug in immediate-use iterator.
2569 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2572 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2573 or __LITTLE_ENDIAN__.
2575 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2577 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2578 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2579 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2580 * config/sh/sh.opt (mdiv=): Amend description.
2581 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2582 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2583 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2584 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2585 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2586 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2587 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2588 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2589 TARGET_DIVIDE_CALL_FP.
2591 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2593 * haifa-sched.c (choose_ready): Fix type of the local variable.
2594 Move local variables. Add comment.
2595 (check_reg_live): Change signature. Make callable from debugger.
2596 * sched-int.h (check_reg_live): Update signature.
2597 * sched-ebb.c (check_reg_live): Update parameters.
2598 * sched-rgn.c (check_reg_live): Ditto.
2599 (region_head_or_leaf_p): Check pointer before dereferencing.
2600 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2601 before reload on optimization levels below 1.
2603 2006-03-23 Richard Henderson <rth@redhat.com>
2605 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2609 * config/alpha/predicates.md (local_symbolic_operand): Reject
2612 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2615 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2616 expressions which have overflowed constants.
2618 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2620 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2622 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2624 * cfgloopmanip.c (create_loop_notes): Removed.
2625 * final.c (final_scan_insn): Do not handle loop notes.
2626 * jump.c (squeeze_notes): Ditto.
2627 * cfglayout.c (skip_insns_after_block,
2628 duplicate_insn_chain): Ditto.
2629 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2631 * cfgloop.h (create_loop_notes): Declaration removed.
2633 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2635 * varasm.c (output_constant_pool): Restore fnname and fndecl
2637 (assemble_start_function): Adjust call accordingly.
2638 (assemble_end_function): Likewise.
2640 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2643 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2646 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2648 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2651 * system.h (ICE_EXIT_CODE): New macro.
2652 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2653 (diagnostic_action_after_output): Likewise.
2654 * gcc.c (fatal_ice): New function.
2655 (execute): Use it instead of fatal.
2656 (fancy_abort): Likewise.
2657 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2659 2006-03-22 Jeff Law <law@redhat.com>
2661 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2662 iv_analyze_result returning false.
2664 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2666 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2668 2006-03-22 Richard Henderson <rth@redhat.com>
2671 * except.c (duplicate_eh_regions_0): New.
2672 (duplicate_eh_region_1): Duplicate the children of the node as
2673 well as the node itself. Link them up properly.
2674 (duplicate_eh_region_2): Merge into ...
2675 (duplicate_eh_regions): ... here. Take copy_region argument, and
2676 copy only a sub-tree if asked. Simplify copying and fixup.
2677 (eh_region_outer_p): New.
2678 * except.h (duplicate_eh_regions): Update decl.
2679 (eh_region_outer_p): Declare.
2680 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2681 (lower_omp_master): Likewise.
2682 (lower_omp_ordered): Likewise.
2683 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2684 (move_stmt_r): Use it to remap labels. Handle recursion vs
2685 remap_decls_p properly.
2686 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2687 (find_outermost_region_in_block): New.
2688 (new_label_mapper): New.
2689 (move_sese_region_to_fn): Copy eh information to the new function
2691 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2693 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2696 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2698 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2699 into shared libraries.
2701 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2703 * doc/md.texi: Refer to i386/constraints.md instead of
2705 * config/i386/constraints.md: New file, extracted from...
2706 * config/i386/predicates.md: ...here.
2707 * config/i386/i386.md: Include constraints.md.
2709 2006-03-21 Jason Merrill <jason@redhat.com>
2711 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2714 * expr.c (init_block_move_fn): Force default visibility.
2715 (init_block_clear_fn): Likewise.
2716 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2717 * targhooks.c (default_external_stack_protect_fail): Likewise.
2719 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2721 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2722 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2723 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2724 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2725 (loadgp): Use mips_current_loadgp_style.
2726 (loadgp_noshared): New pattern.
2727 (sibcall_internal): Use MIPS_CALL.
2728 (sibcall_value_internal): Likewise.
2729 (sibcall_value_multiple_internal): Likewise.
2730 (call_internal): Likewise.
2731 (call_value_internal): Likewise.
2732 (call_value_multiple_internal): Likewise.
2733 (call_split): Use MIPS_CALL and add an 'S' constraint.
2734 (call_value_split): Likewise.
2735 (call_value_multiple_split): Likewise.
2736 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2737 (-mshared): New option.
2738 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2739 (mips_current_loadgp_style): Declare.
2740 * config/mips/mips.c (mips_classify_symbol): Avoid using
2741 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2742 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2743 TARGET_ABSOLUTE_ABICALLS.
2744 (override_options): Adjust comments. Improve the warning that is
2745 issued when -mabicalls and -G are used together.
2746 (mips_file_start): Remove comment.
2747 (mips_current_loadgp_style): New function.
2748 (mips_gnu_local_gp): New variable.
2749 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2751 (mips_output_function_prologue): Use mips_current_laodgp_style.
2752 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2753 the cprestore instruction.
2754 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2755 live for TARGET_ABSOLUTE_ABICALLS.
2756 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2757 (ASM_SPEC): Pass down -mshared and -mno-shared.
2758 (MIPS_CALL): New macro.
2759 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2761 * doc/invoke.texi (-mabicalls): Update documentation.
2762 (-mshared): Document.
2764 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2766 * config/ia64/unwind-hpux.c: New file.
2767 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2769 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2772 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2774 2006-03-21 Jeff Law <law@redhat.com>
2776 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2777 type conversions of a VR_VARYING source to a wider type.
2779 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2781 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2782 tm_file on Solaris 10 and later.
2783 (sparc64-*-solaris2*): Likewise.
2784 (sparc-*-solaris2*): Likewise.
2785 * config/sol26.h: Rename to config/sol2-6.h.
2786 * config/sol2-10.h: New file.
2788 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2791 * tree-ssa-pre.c (create_component_ref_by_pieces):
2794 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2797 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2798 return it immediately.
2800 2006-03-21 Michael Matz <matz@suse.de>
2802 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2804 (remove_arc, add_arc): Update num_out_arcs member.
2805 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2807 (cache_presence): New function.
2808 (compare_states_for_equiv): New function.
2809 (state_is_differed): Don't take number of outargs, adjust callers.
2810 Use new invariant for speeding up.
2811 (init_equiv_class): Create initial classes based on sorted
2813 (partition_equiv_class): Don't track out_arcs_num.
2814 (evaluate_equiv_classes): Call cache_presence on all states and
2817 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2819 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2820 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2821 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2822 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2824 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2825 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2826 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2827 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2828 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2830 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2831 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2832 (REGNO_REG_CLASS): ARGP is in PREGS.
2833 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2835 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2836 to deal with those addresses.
2837 * addresses.h: New file.
2838 * caller-save.c: Include "addresses.h".
2839 (init_caller_save): Use new base_reg_class function.
2840 * rtl-factoring.c: Include "addresses.h".
2841 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2842 * recog.c: Include "addresses.h".
2843 (preprocess_constraints): Use new base_reg_class function.
2844 * regrename.c: Include "addresses.h".
2845 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2846 functions. Keep track of a new var INDEX_CODE to compute valid
2848 (replace_oldest_value_addr): Likewise.
2849 (replace_oldest_value_mem): Use base_reg_class.
2850 * reload.c: Include "addresses.h".
2851 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2852 (find_reloads): Use new base_reg_class function.
2853 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2854 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2855 all callers and prototype changed.
2856 * reload1.c: Include "addresses.h".
2857 (maybe_fix_stack_asms): Use base_reg_class.
2858 * regclass.c: Include "addresses.h".
2859 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2860 (init_reg_autoinc): Use new base_reg_class function.
2861 (record_reg_classes): Likewise.
2862 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2863 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2864 Use new args to compute necessary class.
2866 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2867 regrename.o, rtl-factoring.o): Update dependencies.
2868 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2869 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2870 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2871 REG_OK_FOR_INDEX_P): Delete documentation.
2873 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2875 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2876 from V7 to V9 for Solaris 7 and above.
2878 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2880 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2881 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2882 argument pointers may not alias any other storage.
2883 * common.opt: Define option -fargument-noalias-anything.
2884 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2885 alias semantics is specified by flag_argument_noalias > 2.
2887 2006-03-20 Jeff Law <law@redhat.com>
2889 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2890 (pass_phi_only_cprop): Declare.
2891 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2893 * tree-ssa-dom.c (degenerate_phi_result): New function.
2894 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2895 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2896 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2897 (eliminate_degenerate_phis): Likewise.
2898 (pass_phi_only_cprop): New pass descriptor.
2899 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2900 support code. Callers updated.
2901 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2902 (store_copy_prop): Likewise.
2903 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2905 2006-03-20 Jason Merrill <jason@redhat.com>
2908 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2909 (push_visibility, pop_visibility): Likewise.
2910 * c-pragma.h: Declare them.
2912 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2914 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2916 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2917 parameter and use get_ebb_head_tail.
2918 (sh_md_init_global): Adjust uses of find_regmode_weight.
2920 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2922 * function.h (struct function) <x_tail_recursion_reentry>:
2923 Rename to x_stack_check_probe_note.
2924 (tail_recursion_reentry): Rename to stack_check_probe_note.
2925 * function.c: Replace tail_recursion_reentry with
2926 stack_check_probe_note everywhere.
2927 (expand_function_start): Only emit a note for
2928 stack_check_probe_note with -fstack-protect.
2929 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2931 * emit-rtl.c (remove_unnecessary_notes): Remove.
2932 (pass_remove_unnecessary_notes): Remove.
2933 * rtl.h (remove_unnecessary_notes): Remove prototype.
2934 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2935 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2936 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2938 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2941 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2942 (valid_in_set): Handle ARRAY_REF.
2943 Change "if min_variant or VH" to asserts.
2944 (create_component_ref_by_pieces): Handle ARRAY_REF.
2945 (create_expression_by_pieces): Likewise.
2946 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2948 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2950 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2951 is operand of switch, not str[0].
2953 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2955 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2956 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2958 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2960 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2961 end of insn_extra_address_constraint declaration.
2963 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2965 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2966 (no-sum-in-toc): Same.
2967 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2969 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2970 NO_FP_IN_TOC for -fPIC instead of mask.
2972 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2973 (BOOT_LDFLAGS): Delete.
2975 * config/rs6000/t-aix52: Same.
2977 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2978 (stmsi[345678]_power): New.
2980 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2982 * config/ia64/ia64.opt: Add empty line to end of file.
2984 2006-03-17 Richard Guenther <rguenther@suse.de>
2987 * builtins.c (get_pointer_alignment): For component style references
2988 adjust alignment to the component type alignment. Make sure
2989 to adjust alignment for component access of constants.
2991 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2993 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2996 2006-03-17 Paul Brook <paul@codesourcery.com>
2998 * doc/install.texi: Docuemnt --with-mode.
2999 * config.gcc: Add --with-mode for arm*-*-*.
3000 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3002 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3004 * sh.c (max_labelno_before_reorg): New variable.
3005 (sh_reorg): Initialize it.
3006 (find_barrier): Check max_labelno_before_reorg before using
3007 label_to_alignment. Take length of explicit alignment insns
3008 into account. When seeing a UNSPECV_CONST_END, return it.
3010 * sh.c (fixup_mova): Set mode of affected label to QImode.
3011 (untangle_mova): New function.
3012 (find_barrier): Use it. Check mode of label before decrementing
3014 (sh_reorg): Likewise.
3015 Set mode of all insns back to VOIDmode.
3017 * sh.c (MOVA_LABELREF): New macro.
3018 (mova_p, fixup_mova, sh_reorg): Use it.
3019 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3020 ADDR_DIFF_VEC matches mova.
3022 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3024 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3025 with ATTRIBUTE_UNUSED.
3027 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3029 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3030 pointer, instead of assuming it is possible to derive the
3031 correct args size from a call insn.
3033 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3035 * rtl.h (CONST_INT_P): Define.
3036 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3037 instead of GET_CODE(x) == CONST_INT.
3038 (vax_rtx_costs): Likewise.
3039 (vax_output_int_move): Likewise.
3040 (vax_output_int_add): Likewise.
3041 (legitimate_constant_address_p): Likewise.
3042 (index_term_p): Likewise.
3043 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3044 * config/vax/vax.md (and<mode>3): Likewise.
3045 (ashrsi3): Likewise.
3047 (movstricthi): Likewise.
3048 (movstrictqi): Likewise.
3049 (rotrsi3): Likewise.
3050 (five unnamed insns): Likewise.
3052 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3054 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3055 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3056 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3057 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3058 Pass to ASM_OUTPUT_DWARF_OFFSET.
3059 * dwarf2out.c (debug_frame_section): New.
3060 (output_call_frame_info): Use debug_frame_section. Pass it to
3061 dw2_asm_output_offset.
3062 (output_die): Pass appropriate section to dw2_asm_output_offset.
3063 (output_compilation_unit_header): Likewise.
3064 (output_pubnames): Likewise.
3065 (output_aranges): Likewise.
3066 (enum dw_val_class): Break dw_val_class_lbl_offset into
3067 dw_val_class_lineptr and dw_val_class_macptr.
3068 (add_AT_lbl_offset): Delete.
3069 (add_AT_lineptr): New.
3070 (add_AT_macptr): New.
3071 (AT_lbl): Expect a lineptr or macptr.
3072 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3073 (attr_checksum): Likewise.
3074 (same_dw_val_p): Likewise.
3075 (size_of_die): Likewise.
3076 (value_format): Likewise.
3077 (output_die): Likewise.
3078 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3080 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3081 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3082 * config/darwin-protos.h (darwin_file_start): New.
3083 (darwin_asm_output_dwarf_offset): New.
3084 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3085 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3087 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3088 if not EH section; simplify.
3089 (darwin_file_start): New.
3090 (darwin_asm_output_dwarf_offset): New.
3091 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3093 (DEBUG_INFO_SECTION): Likewise.
3094 (DEBUG_ABBREV_SECTION): Likewise.
3095 (DEBUG_ARANGES_SECTION): Likewise.
3096 (DEBUG_MACINFO_SECTION): Likewise.
3097 (DEBUG_LINE_SECTION): Likewise.
3098 (DEBUG_LOC_SECTION): Likewise.
3099 (DEBUG_PUBNAMES_SECTION): Likewise.
3100 (DEBUG_STR_SECTION): Likewise.
3101 (DEBUG_RANGES_SECTION): Likewise.
3102 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3103 (ASM_OUTPUT_DWARF_OFFSET): New.
3105 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3107 * config.gcc (tm_defines): Always add to previous value rather
3110 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3112 * config/mips/predicates.md (splittable_const_int_operand): New,
3113 split from move_operand.
3114 (splittable_symbolic_operand): New.
3115 (move_operand): Add commentary. Use splittable_const_int_operand.
3116 Inline mips_atomic_symbolic_constant_p.
3117 * config/mips/mips.md: Add combine splitters for handling moves
3118 of splittable_const_int_operands and splittable_symbolic_operands.
3119 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3120 (mips_split_symbol): Declare.
3121 (mips_move_integer): Declare.
3122 * config/mips/mips.c (mips_split_p): Make global.
3123 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3124 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3125 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3126 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3127 (mips_offset_within_object_p): Handle block symbols.
3128 (mips_atomic_symbolic_constant_p): Delete.
3129 (mips_cannot_force_const_mem): Return false for constants that
3130 mips_legitimize_move can handle.
3131 (mips_use_blocks_for_constant_p): New function.
3132 (mips_split_symbol): Make global.
3133 (mips_move_integer): Likewise. Add a temporary register argument.
3134 (mips_legitimize_const_move): Use splittable_const_int_operand and
3135 splittable_symbolic_operand.
3136 (mips_use_anchors_for_symbol_p): New function.
3137 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3138 (mips_split_p): Declare.
3140 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3142 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3143 (mips*-*-linux*): Likewise.
3145 2006-03-16 Roger Sayle <roger@eyesopen.com>
3146 Daniel Speyer <dspeyer@wam.umd.edu>
3149 * tree-dump.c (dump_real): New function.
3150 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3151 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3152 (tree-dump.o): Add $(REAL_H) to the dependencies.
3154 2006-03-16 Roger Sayle <roger@eyesopen.com>
3157 * real.c (real_from_string): If the mantissa is zero, don't bother
3158 parsing the exponent as the result should always be zero.
3160 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3162 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3164 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3166 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3167 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3168 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3169 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3170 ia64_sched_finish_global): New static functions to implement
3171 hooks from gcc_target.sched.
3172 (spec_check_no, max_uid, pending_data_specs): New static variables.
3173 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3174 ia64_spec_check_src_p): New static functions.
3175 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3176 (TARGET_SCHED_ADJUST_COST): Removed.
3177 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3178 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3179 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3180 TARGET_SCHED_GEN_CHECK,
3181 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3182 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3183 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3184 Fixed to handle speculation checks.
3185 (rtx_needs_barrier): Fixed to handle speculative loads and
3187 (ia64_variable_issue): Added code to count speculative loads and their
3189 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3191 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3193 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3195 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3196 (ia64_reorg): Reset stops_p to NULL after it is freed.
3197 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3198 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3199 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3201 (data_speculative, control_speculative, check_load): New attributes.
3202 (mov<mode>_advanced, mov<mode>_speculative,
3203 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3204 zero_extend<mode>di2_speculative,
3205 zero_extend<mode>di2_speculative_advanced): New patterns for
3206 data and control speculative loads.
3207 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3209 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3210 New pattern for data and control speculation checks.
3211 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3212 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3213 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3214 Auxiliary definitions for the patterns.
3215 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3216 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3218 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3220 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3221 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3222 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3223 New resource constraints.
3224 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3226 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3227 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3228 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3229 msched-in-control-spec, msched-ldc, msched-control-ldc,
3230 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3231 msched-prefer-non-control-spec-insns,
3232 msched-count-spec-in-critical-path): New flags to tune speculative
3234 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3235 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3236 msched-in-control-spec, msched-ldc, msched-control-ldc,
3237 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3238 msched-prefer-non-control-spec-insns,
3239 msched-count-spec-in-critical-path): Document new flags.
3241 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3243 * target.h (struct spec_info_def): New opaque declaration.
3244 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3245 speculate_insn, needs_block_p, gen_check,
3246 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3247 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3248 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3249 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3250 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3251 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3253 (TARGET_SCHED): Use new macros.
3254 * rtl.h (copy_DEPS_LIST_list): New prototype.
3255 * sched-int.h (struct sched_info): Change signature of new_ready field,
3256 adjust all initializations. New fields: add_remove_insn,
3257 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3258 region_head_or_leaf_p.
3259 (struct spec_info_def): New structure declaration.
3260 (spec_info_t): New typedef.
3261 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3262 recovery_block, orig_pat.
3263 (glat_start, glat_end): New variables declaraions.
3264 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3266 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3267 DETACH_LIFE_INFO, USE_GLAT.
3268 (enum SPEC_SCHED_FLAGS): New enumeration.
3269 (NOTE_NOTE_BB_P): New macro.
3270 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3271 attach_life_info, debug_spec_status, check_reg_live): New functions.
3272 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3273 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3275 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3276 * ddg.c (get_block_head_tail): Adjust all uses.
3277 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3278 (sms_sched_info): Initialize new fields.
3279 (contributes_to_priority): Removed.
3280 * haifa-sched.c (params.h): New include.
3281 (get_block_head_tail): Adjust all uses.
3282 (ISSUE_POINTS): New macro.
3283 (glat_start, glat_end): New global variables.
3284 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3285 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3286 old_last_basic_block, before_recovery, current_sched_info_var,
3287 rgn_n_insns, luid): New static variables.
3288 (insn_cost1): New function. Move logic from insn_cost to here.
3289 (find_insn_reg_weight1): New function. Move logic from
3290 find_insn_reg_weight to here.
3291 (reemit_notes, move_insn, max_issue): Change signature.
3292 (move_insn1): Removed.
3293 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3294 extend_bb): New static functions to support extension of scheduler's
3296 (generate_recovery_code, process_insn_depend_be_in_spec,
3297 begin_speculative_block, add_to_speculative_block,
3298 init_before_recovery, create_recovery_block, create_check_block_twin,
3299 fix_recovery_deps): New static functions to support
3300 generation of recovery code.
3301 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3302 restore_bb_notes, move_block_after_check, move_succs): New static
3303 functions to support ebb scheduling.
3304 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3305 functions to support handling of register live information.
3306 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3307 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3308 add_jump_dependencies): New static functions.
3309 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3310 consistancy checking.
3311 (debug_spec_status): New function to call from debugger.
3312 (priority): Added code to handle speculation checks.
3313 (rank_for_schedule): Added code to distinguish speculative instructions.
3314 (schedule_insn): Added code to handle speculation checks.
3315 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3316 Fixed to handle ebbs.
3317 (move_insn): Added code to handle ebb scheduling.
3318 (max_issue): Added code to use ISSUE_POINTS of instructions.
3319 (choose_ready): Added code to choose between speculative and
3320 non-speculative instructions.
3321 (schedule_block): Added code to handle ebb scheduling and scheduling of
3322 speculative instructions.
3323 (sched_init): Initialize new variables.
3324 (sched_finish): Free new variables. Print statistics.
3325 (try_ready): Added code to handle speculative instructions.
3326 * lists.c (copy_DEPS_LIST_list): New function.
3327 * sched-deps.c (extend_dependency_caches): New function. Move logic
3328 from create_dependency_caches to here.
3329 (get_dep_weak, ds_merge): Make global.
3330 * genattr.c (main): Code to output prototype for
3331 dfa_clear_single_insn_cache.
3332 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3333 (output_dfa_clean_insn_cache_func): Code to output
3334 dfa_clear_single_insn_cache function.
3335 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3337 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3339 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3340 New static variables.
3341 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3342 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3344 (ebb_sched_info): Initialize new fields.
3345 (get_block_head_tail): Adjust all uses.
3346 (compute_jump_reg_dependencies): Fixed to use glat_start.
3347 (schedule_ebb): Code to remove unreachable last block.
3348 (schedule_ebbs): Added code to update register live information.
3349 * sched-rgn.c (region_sched_info): Initialize new fields.
3350 (get_block_head_tail): Adjust all uses.
3351 (last_was_jump): Removed. Adjust users.
3352 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3353 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3354 Implement new hooks.
3355 (check_dead_notes1): New static function.
3356 (struct region): New fields: dont_calc_deps, has_real_ebb.
3357 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3358 (BB_TO_BLOCK): Fixed to handle EBBs.
3359 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3360 (ebb_head): New static variable.
3361 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3362 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3364 (compute_dom_prob_ps): New assertion.
3365 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3366 global_live_at_start.
3367 (init_ready_list): New assertions.
3368 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3369 (new_ready): Add support for BEGIN_CONTROL speculation.
3370 (schedule_insns): Fixed code that updates register live information
3372 (schedule_region): Fixed to handle EBBs.
3373 (init_regions): Use extend_regions and check_dead_notes1.
3374 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3375 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3376 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3377 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3378 TARGET_SCHED_GEN_CHECK,
3379 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3380 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3381 * doc/invoke.texi (max-sched-insn-conflict-delay,
3382 sched-spec-prob-cutoff): Document.
3384 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3386 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3387 inter_tick, queue_index.
3388 (struct sched_info): Change signature of init_ready_list field.
3389 Adjust all initializations.
3390 (RESOLVED_DEPS): New access macro.
3391 (ready_add): Remove prototype.
3392 (try_ready): Add prototype.
3393 * sched-rgn.c (init_ready_list): Use try_ready.
3394 (schedule_region): Initialize
3395 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3396 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3397 (init_ready_list): Use try_ready.
3398 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3399 * lists.c (remove_list_elem): Remove `static'.
3400 (remove_free_INSN_LIST_elem): New function.
3401 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3402 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3403 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3405 (readyp): New variable.
3406 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3407 change_queue_index, resolve_dep): New static functions.
3408 (try_ready): New function. Adjust callers in sched-rgn.c and
3409 sched-ebb.c to use it instead of ready_add.
3410 (clock_var): Move at the begining of file.
3411 (rank_for_schedule): Fix typo.
3412 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3413 (ready_lastpos): Enforce assertion.
3414 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3416 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3417 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3418 (queue_to_ready): Use free_INSN_LIST_list.
3419 (early_queue_to_ready): Fix typo.
3420 (schedule_block): Init readyp. Move init_ready_list call after the
3421 initialization of clock_var. Fix error in rejecting insn by
3422 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3423 that previously corrected INSN_TICKs. Add code for handling
3425 (set_priorities): Fix typo.
3426 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3427 Clarify comment and code that keeps current_sched_info->next_tail
3430 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3432 * sched-rgn.c (extend_rgns): New static function.
3433 (find_rgns): Use it.
3434 (gather_region_statistics, print_region_statistics): New static
3436 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3437 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3439 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3440 Andrey Belevantsev <abel@ispras.ru>
3442 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3443 * lists.c (unused_deps_list): New variable.
3444 (free_list): Add assertions to verify the proper distinguishing
3445 between INSN_LISTs and DEPS_LISTs.
3446 (find_list_elem, remove_list_elem, remove_list_node): New static
3448 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3449 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3450 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3451 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3453 (free_INSN_LIST_node): Likewise.
3454 * modulo-sched.c (current_sched_info): Initialize flags field.
3455 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3456 * rtl.def (DEPS_LIST): Define.
3457 * rtl.h: Declare new functions from lists.c.
3458 * sched-deps.c (spec_dependency_cache): New static variable.
3459 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3460 (add_dependence): Change return type to void. Move the logic to ...
3461 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3462 (delete_all_dependences): Add comment about forward_dependency_cache.
3463 Handle spec_dependency_cache. Handle DEPS_LISTs.
3464 (fixup_sched_groups): Clarify the change of priority of output
3465 and anti dependencies.
3466 (sched_analyze_2): Adjust add_dependence calls to create data
3467 speculative dependence.
3468 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3469 Adjust all callers. Handle DEPS_LISTS.
3470 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3471 presence of speculation.
3472 (init_dependency_caches, free_dependency_caches):
3473 Handle spec_dependency_cache.
3474 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3475 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3476 New static functions.
3477 (add_or_update_back_dep, add_or_update_back_forw_dep,
3478 add_back_forw_dep, delete_back_forw_dep): New functions.
3479 * sched-int.h (ds_t, dw_t): New typedefs.
3480 (struct sched_info): Add new field flags.
3481 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3482 Prototype new sched-deps.c functions.
3483 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3484 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3485 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3486 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3487 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3488 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3490 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3492 * sched-rgn.c (current_sched_info): Initialize flags field.
3493 (schedule_insns): Initialize current_sched_info before the sched_init
3495 * sched-ebb.c (current_sched_info): Initialize flags field.
3496 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3497 Call add_or_update_back_dep instead of add_dependence.
3498 Create control speculative dependencies.
3499 (schedule_insns): Initialize current_sched_info before the sched_init
3502 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3504 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3506 (sh_fallback_frame_state): Likewise.
3508 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3510 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3511 Do switch on default_use_cxa_atexit.
3512 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3513 * config/darwin-crt3.o: New.
3514 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3515 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3516 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3518 * config/rs6000/t-darwin: Move crt2.o building to here.
3519 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3520 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3523 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3525 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3526 from '! xxx' to '!xxx' for coding-style conformance.
3527 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3528 (EXTRA_CONSTRAINT): Likewise.
3529 * config/vax/vax.md (four unnamed insns): Likewise.
3531 2006-03-15 Paul Brook <paul@codesourcery.com>
3533 * config/arm/arm.c (minipool_pad): New.
3534 (add_minipool_forward_ref): Include pool alignment padding in address
3536 (push_minipool_fix): Set minipool_pad.
3537 (minipool_pad): Ditto.
3539 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3541 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3542 instead of GET_CODE() == MEM and REG_P() instead of
3544 (print_operand_address): Likewise.
3545 (vax_address_cost): Likewise.
3546 (vax_rtx_costs): Likewise.
3547 (vax_notice_update_cc): Likewise.
3548 (vax_output_int_add): Likewise.
3549 (INDEX_REGISTER_P): Likewise.
3550 (BASE_REGISTER_P): Likewise.
3551 (nonindexed_address_p): Likewise.
3552 (vax_mode_dependent_address_p): Likewise.
3553 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3554 (PRINT_OPERAND): Likewise.
3555 * config/vax/vax.md (ashlsi3): Likewise.
3556 (ashlsi3): Likewise.
3557 (some more unnamed insns): Likewise.
3559 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3561 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3562 iterator-style macro.
3563 (mark_control_dependent_edges_necessary): Update the use of
3564 EXECUTE_IF_CONTROL_DEPENDENT.
3566 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3568 * config/sh/predicates.md (cache_address_operand): Special.
3569 (ua_address_operand): Likewise.
3571 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3573 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3575 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3577 2006-03-15 Andreas Schwab <schwab@suse.de>
3579 * gensupport.c (identify_predicable_attribute): Don't free p_false
3580 when it is still in use.
3582 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3584 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3585 the default setting here.
3587 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3589 * tree-pass.h (pass_cfg): Remove.
3590 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3591 * passes.c (pass_cfg): Don't run it.
3593 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3595 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3596 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3598 (stack_regs_mentioned): Update the uses of
3599 stack_regs_mentioned_data. Don't access the array beyond its
3601 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3602 Don't include gt-reg-stack.h.
3604 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3605 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3607 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3610 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3613 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3615 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3617 2006-03-14 Richard Guenther <rguenther@suse.de>
3619 PR tree-optimization/26672
3620 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3623 2006-03-14 Richard Guenther <rguenther@suse.de>
3625 PR tree-optimization/26667
3626 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3627 node for the callees. Always allow inlining if it will shrink
3630 2006-03-14 Richard Guenther <rguenther@suse.de>
3633 * builtins.c (get_pointer_alignment): Prefer alignment
3634 information from decls over that from types.
3636 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3639 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3641 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3643 * config/rs6000/rs6000.opt (mdlmzb): New option.
3644 (msched-prolog, msched-epilog): Use Var not Mask.
3645 * doc/invoke.texi (-mdlmzb): Document.
3646 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3648 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3649 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3651 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3653 PR rtl-optimization/25739
3654 * bt-load.c (augment_live_range): Free tos pointer.
3656 * gensupport.c (identify_predicable_attribute): Free
3658 * gcov.c (create_file_names): Free name pointer.
3660 2006-03-13 Roger Sayle <roger@eyesopen.com>
3663 * stmt.c (emit_case_nodes): Handle the case where the index is a
3664 CONST_INT, where the comparison mode is specified by the index type.
3666 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3668 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3671 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3673 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3674 (*branch_fp_inverted): Likewise.
3676 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3679 * omp-low.c (expand_omp_for_generic): Mark istart0
3680 and iend0 as addressable.
3682 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3684 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3686 2006-03-13 Jeff Law <law@redhat.com>
3688 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3689 virtual operands are interesting.
3690 (vrp_visit_stmt): Corresponding changes.
3692 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3694 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3696 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3697 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3698 * config/bfin/crti.S: Use it instead of __PIC__.
3699 * config/bfin/crtn.S: Likewise.
3701 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3702 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3704 Lose 'G' modifier for call operand.
3705 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3706 recognize 'G' modifier.
3708 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3711 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3712 * stmt.c (expand_case): Likewise.
3714 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3716 PR rtl-optimization/26254
3717 * loop-invariant.c (seq_insns_valid_p): New function.
3718 (move_invariant_reg): Only emit new code if it is valid.
3720 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3722 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3724 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3725 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3726 (commit_one_edge_insertion): Do not look for loop notes.
3728 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3730 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3731 flag_test_coverage out of loop.
3733 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3735 * final.c (shorten_branches): Remove outdated comment, and turn
3736 the if branch that guards it to continue.
3738 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3740 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3741 * cfgloop.h (struct loop): Remove unused fields.
3743 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3745 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3746 (-dL, -fdump-rtl-loop2): Update the dump file names
3748 * doc/invoke.texi: Update dump file names.
3750 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3752 * predict.c (estimate_probability): Remove.
3753 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3754 * basic-block.h (estimate_probability): Remove prototype.
3755 * passes.c (finish_optimization_passes): Dump branch prediction or
3756 profiling heuristics to the .profile tree dump.
3757 (init_optimization_passes): Unqueue pass_branch_prob.
3759 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3761 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3763 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3764 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3766 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3768 * function.h (frame_offset_overflow): Declare.
3769 * function.c (frame_offset_overflow): New function.
3770 (assign_stack_local_1): Call it to detect that the offset overflows.
3771 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3773 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3775 * config/sh/sh.c: Include alloc-pool.h.
3776 (label_ref_list_pool): New alloc pool.
3777 (label_ref_list_t): New type for lists of labels.
3778 (struct pool_node): Make wend a label_ref_list_t.
3779 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3781 (dump_table): Likewise.
3782 (sh_reorg): Set up the alloc pool before using add_constant and
3783 dump_table, and destroy it when finishing.
3785 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3787 * config/mips/mips.c: Remove redundant comment.
3789 2006-03-10 Jason Merrill <jason@redhat.com>
3792 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3793 the target was declared 'register'.
3795 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3797 * genpreds.c (write_insn_constraint_len): Change definition of
3798 insn_constraint_len to return size_t to match the declaration.
3800 2006-03-10 DJ Delorie <dj@redhat.com>
3802 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3804 (m32c_expand_insv): Fix test for an AND mask.
3806 2006-03-10 Richard Guenther <rguenther@suse.de>
3809 * builtins.c (get_pointer_alignment): Handle component
3810 references for field alignment.
3812 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3814 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3815 when building with libgloss.
3816 (sh*elf): Implement --without-fp option.
3817 (sh64-superh-linux*): Don't multilib.
3819 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3821 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3823 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3825 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3826 Set it when one of the replacement functions returned true.
3827 Return TODO_cleanup_cfg if cfgchanged is true.
3828 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3830 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3832 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3833 instead of gen_lowpart.
3835 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3837 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3839 (mips_output_order_conditional_branch): Declare.
3840 * config/mips/mips.h (MIPS_BRANCH): New macro.
3841 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3842 for the comparison. Use gen_condjump.
3843 (mips_output_conditional_branch): Rework interface to take the
3844 asm templates for a direct branch and the inverse of a direct branch.
3845 (mips_output_order_conditional_branch): New function.
3846 (mips_builtin_branch_and_move): New function.
3847 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3848 branch condition. Use gen_single_cc as the condition for
3849 __builtin_mips_upper_* or __builtin_mips_lower_*.
3850 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3851 Use VOIDmode for the branch condition.
3852 * config/mips/predicates.md (order_operator): New predicate.
3853 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3854 (branch_fp): Rename to...
3855 (*branch_fp): ...this. Remove mode from comparison operator.
3856 Use new mips_output_conditional_branch interface.
3857 (branch_fp_inverted): Rename to...
3858 (*branch_fp_inverted): ...this and update as for *branch_fp.
3859 (*branch_zero<mode>): Rename to...
3860 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3861 Use mips_output_order_conditional_branch. Only accept ordered
3863 (*branch_zero<mode>_inverted): Rename to...
3864 (*branch_order<mode>_inverted): ...this and update as for
3865 *branch_order<mode>.
3866 (*branch_equality<mode>): Accept zero as the second operand to
3867 the equality operator. Use the new mips_output_conditional_branch
3869 (*branch_equality<mode>_inverted): Likewise.
3870 (condjump): New expander.
3871 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3873 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3874 (bc1any2t, bc1any2f): Likewise.
3875 (single_cc): New expander.
3876 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3878 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3880 * doc/md.texi: Update documentation of MIPS constraints.
3881 * config/mips/constraints.md: New file.
3882 * config/mips/mips.md: Include it.
3883 * config/mips/mips.c (mips_char_to_class): Delete.
3884 (override_options): Don't initialize mips_char_to_class.
3885 * config/mips/mips.h (mips_char_to_class): Delete.
3886 (REG_CLASS_FROM_LETTER): Delete.
3887 (CONST_OK_FOR_LETTER_P): Delete.
3888 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3889 (EXTRA_CONSTRAINT_Y): Delete.
3890 (EXTRA_CONSTRAINT_STR): Delete.
3891 (CONSTRAINT_LEN): Delete.
3892 (EXTRA_MEMORY_CONSTRAINT): Delete.
3894 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3896 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3897 original fn's eh regions.
3899 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3901 * fold-const.c (build_range_check): Make sure to use a valid type to
3902 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3905 (range_predecessor): New static function.
3906 (range_successor): Likewise.
3907 (merge_ranges): Use them to compute predecessors and successors of
3910 2006-03-09 Roger Sayle <roger@eyesopen.com>
3913 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3914 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3916 2006-03-08 DJ Delorie <dj@redhat.com>
3918 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3919 (addpsi3): Expand to include memory operands. Remove
3920 reload-specific splits.
3921 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3922 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3923 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3924 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3925 (shift1_qi, shift1_hi, insv): New.
3926 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3927 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3928 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3930 * config/m32c/m32c-protos.h: Update as needed.
3931 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3932 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3933 Fail for unrecognized R* constraints.
3934 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3935 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3936 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3938 (m32c_init_libfuncs): New.
3939 (m32c_legitimate_address_p): Add debug wrapper.
3940 (m32c_rtx_costs): New.
3941 (m32c_address_cost): New.
3942 (conversions): Add 'B' prefix.
3943 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3944 operands, or word regnames for QI operands. 'B' prints bit
3946 (m32c_expand_setmemhi): New.
3947 (m32c_expand_movmemhi): New.
3948 (m32c_expand_movstr): New.
3949 (m32c_expand_cmpstr): New.
3950 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3951 (m32c_expand_neg_mulpsi3): Handle non-ints.
3952 (m32c_cmp_flg_0): New.
3953 (m32c_expand_movcc): New.
3954 (m32c_expand_insv): New.
3955 (m32c_scc_pattern): New.
3956 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3957 a0/a1 out of SIregs.
3958 (STORE_FLAG_VALUE): New.
3959 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3962 * config/m32c/mov.md: Make constraints more liberal.
3963 (zero_extendqihi2): Optimize r0/r1 case.
3964 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3965 * config/m32c/predicates.md (m32c_any_operand): New.
3966 (m32c_nonimmediate_operand): New.
3967 (m32c_hl_operand): New.
3968 (m32c_r3_operand): New.
3971 (memsym_operand): New.
3972 (memimmed_operand): New.
3973 (a_qi_operand): New.
3974 (m32c_eqne_operator): New.
3975 (m32c_1bit8_operand): New.
3976 (m32c_1bit16_operand): New.
3977 (m32c_1mask8_operand): New.
3978 (m32c_1mask16_operand): New.
3979 * config/m32c/blkmov.md: New file.
3980 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3982 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3984 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3985 unsigned to fix signed/unsigned comparison issue in
3986 DWARF2_FRAME_REG_OUT.
3987 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3988 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3990 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3991 of ptr into the ENABLE_CHECKING section.
3993 2006-03-08 Jeff Law <law@redhat.com>
3995 * tree-vrp.c (infer_value_range): Only count pointer uses
3996 and dereferences if -fdelete-null-pointer-checks is enabled.
3998 * tree-vrp.c (find_assert_locations): Infer value ranges for
3999 single use pointers, but do not create ASSERT_EXPRs for them.
4000 When a non-null range is inferred for a pointer, backwards
4001 propagate that range to other equivalent pointers through the
4004 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
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