1 2006-05-14 Roger Sayle <roger@eyesopen.com>
3 PR rtl-optimization/22563
4 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5 a fixed width bitfield, always force the intermediates into psuedos.
7 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
10 * mkconfig.sh: Use operator = instead of == for test.
12 2006-05-13 Nick Clifton <nickc@redhat.com>
14 * dwarf2out.c (dbx_reg_number): Check return value from
15 LEAF_REG_REMAP and only use it if it is valid.
16 (multiple_reg_loc_descriptor): Likewise.
18 2006-05-13 Richard Guenther <rguenther@suse.de>
20 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
23 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
25 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
26 information attached to non-INSNs such as NOTEs.
27 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
29 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
31 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
33 * config/s390/s390.md: Adjust comment describing On constraint.
35 2006-05-11 Jan Hubicka <jh@suse.cz>
37 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
40 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
43 * fold-const.c (size_binop): Move sanity check for arguments to
44 the beginning of the function.
47 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
50 2006-05-11 Richard Guenther <rguenther@suse.de>
53 * fold-const.c (fold_unary): Handle intermediate conversion
54 to a pointer type like intermediate conversion to an integer
55 type in folding of (T1)(T2)var to var.
56 Match the code to the comment in the final conversion for
57 (T1)(T2)var to (T1)var regarding to type precision. Rather
58 than disallow T1 being of pointer type, assert that both T1
59 and var are of pointer type or not. Make sure not to fall
60 over the frontends lazyness wrt array to pointer decay though.
62 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
64 * arm.c (arm_struct_value_rtx): Delete.
65 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
66 (arm_init_cumulative_args): Always initialize nregs to zero.
68 2006-05-10 Richard Guenther <rguenther@suse.de>
70 PR tree-optimization/27532
71 * tree-object-size.c (plus_expr_object_size): Fix typo.
73 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
76 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
77 ashrdi_const, ashrdi3): Use a scratch register.
79 2006-05-10 Richard Guenther <rguenther@suse.de>
81 PR tree-optimization/27302
82 * fold-const.c (operand_equal_p): For two comparisons,
83 try comparison of one comparison code swapped if that yields
86 2006-05-10 Ben Elliston <bje@au.ibm.com>
88 * tree-pretty-print.c (pretty_print_string): No need to handle
89 '\0' as a special character.
91 * tree.h: Include "hashtab.h".
92 (iterative_hash_expr): Use hashval_t in its prototype.
93 * Makefile.in (TREE_H): Add $(HASHTAB_H).
95 2006-05-09 Steve Ellcey <sje@cup.hp.com>
98 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
99 (hppa*64*-*-hpux11*): Ditto.
100 (hppa[12]*-*-hpux11*): Ditto.
102 2006-05-09 David Edelsohn <edelsohn@gnu.org>
105 * config/rs6000/aix41.h (TARGET_64BIT): Define.
107 2006-05-09 Michael Matz <matz@suse.de>
109 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
110 host_extra_gcc_objs and host_xmake_file.
111 (<*-*-linux*>): Don't overwrite host_xmake_file.
112 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
113 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
114 (host_detect_local_cpu): Declare.
115 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
116 * config/i386/i386.c (override_options): Handle -mtune=native
118 * config/i386/x-i386: New file.
119 * config/i386/driver-i386.c: New file.
120 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
123 2006-05-09 Dirk Mueller <dmueller@suse.de>
124 Richard Guenther <rguenther@suse.de>
127 * fold-const.c (fold_read_from_constant_string): Relax check
128 for matching types to matching modes.
130 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
132 PR rtl-optimization/27335
133 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
136 2006-05-08 Chao-ying Fu <fu@mips.com>
137 Richard Sandiford <richard@codesourcery.com>
139 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
140 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
141 * config/mips/mips.md (UNSPEC_SCC): New constant.
142 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
143 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
144 (mips_emit_compare): Use it.
145 (mips_expand_vcondv2sf): New function.
147 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
149 Fix PR tree-optimization/27093
150 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
151 renaming when they become not-used_alone.
153 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
155 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
156 relocation and relocation stubs.
158 2006-05-08 Eric Christopher <echristo@apple.com>
160 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
163 2006-05-08 Jan Hubicka <jh@suse.cz>
166 * cgraphunit.c (decide_is_function_needed): When not optimizing even
167 unused static functions are needed.
169 2006-05-08 Roger Sayle <roger@eyesopen.com>
172 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
173 of a reg_equiv_constant if the result is a legitimate constant.
175 2006-05-08 Uros Bizjak <uros@kss-loka.si>
178 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
179 standard 80387 constants, raise the cost to prevent
180 compress_float_constant() to generate load from memory.
182 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
184 * config/arm/constraints.md (c): Fix a typo.
186 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
189 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
192 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
194 (_mm_mwait): Likewise.
196 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
198 (sse3_monitor): Make it 32bit only.
199 (sse3_monitor64): New. 64bit monitor.
201 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
204 * config/i386/i386.c (classify_argument): Skip fields with invalid
207 2006-05-07 Richard Guenther <rguenther@suse.de>
209 PR tree-optimization/27409
210 * tree-ssa-structalias.c (get_constraint_for_component_ref):
211 Do not try to find zero-sized subvars.
213 2006-05-07 Richard Guenther <rguenther@suse.de>
215 PR tree-optimization/27136
216 * tree-ssa-loop-niter.c (get_val_for): Correct function
217 comment, assert requirements.
218 (loop_niter_by_eval): Stop processing if the iterated
219 value did not simplify.
221 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
223 * opts.c (flag_see): remove its setting at -O3.
225 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
227 * genpeep.c (main): Make insn-peep.c depend on flags.h.
228 * arm/constraints.md: New file.
229 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
230 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
231 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
232 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
233 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
234 (EXTRA_MEMORY_CONSTRAINT): Likewise.
235 * arm.md: Include constraints.md.
236 (thumb_movsi_insn): Use satisfies_constraint_J.
237 (movhi, movqi): Use satisfies_constraint_I.
239 2006-04-29 Anatoly Sokolov <aesok@post.ru>
241 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
242 for atmeg a645 device.
244 2006-05-06 Richard Guenther <rguenther@suse.de>
246 PR tree-optimization/27151
247 * tree-vect-transform.c (vectorizable_condition): Punt on
248 values that have a different type than the condition.
250 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
253 * c-parser.c (c_parser_cast_expression): Only insert casts into
254 hash table if pointer.
255 * function.c (used_types_insert_helper): Rename from
257 (used_types_insert): Call used_types_insert_helper.
258 * function.h (used_types_insert): Accept only one argument.
260 2006-05-05 David Edelsohn <edesohn@gnu.org>
262 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
263 scratch with output modifier.
265 2006-05-04 David Edelsohn <edelsohn@gnu.org>
268 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
269 with output modifier.
271 2006-05-04 Richard Sandiford <richard@codesourcery.com>
274 * config/mips/mips.c (mips_symbolic_address_p): Return true
275 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
276 SYMBOL_GOTTPREL, and SYMBOL_TLS.
278 2006-05-04 Richard Guenther <rguenther@suse.de>
280 PR tree-optimization/14287
281 PR tree-optimization/14844
282 PR tree-optimization/19792
283 PR tree-optimization/21608
284 PR tree-optimization/27090
285 * tree-ssa-pre.c (try_combine_conversion): New function.
286 (compute_avail): After constructing the value-handle
287 expression, use try_combine_conversion to combine NOP_EXPRs
288 with previous value-handle expressions and use the result if it
291 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
293 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
295 2006-05-04 Jan Hubicka <jh@suse.cz>
298 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
300 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
302 * config/bfin/predicates.md (const01_rtx): Tell generator programs
303 that this only matches CONST_INTs. All users changed to VOIDmode
306 * config/bfin/bfin.c: Include "optabs.h".
307 (bfin_rtx_costs): Some costs for vector operations, to allow combine
309 (enum bfin_builtins): Add a number of fractional and vector builtins.
310 (bfin_init_builtins): Likewise.
311 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
312 (safe_vector_operand, bfin_expand_binop_builtin,
313 bfin_expand_unop_builtin): New functions.
314 (bfin_expand_builtin): Handle the new builtins.
315 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
318 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
321 * Makefile.in (OBJS-common): Add see.o.
322 (see.o): Add dependencies.
323 * common.opt (fsee): New flag for the see optimization was added.
324 * opts.c (flag_see): Initialized.
325 * passes.c (init_optimization_passes, pass_see): New pass.
326 * rtl.h (see_main): Declaration as extern.
327 * timevar.def (TV_SEE): New.
328 * tree-pass.h (pass_see): Declaration as extern.
329 * invoke.texi (-fsee): Document.
330 * recog.c (validate_simplify_insn): New function.
331 * recog.h (validate_simplify_insn): Declaration as extern.
332 * df-problems.c (df_chain_dump): Check for NULL.
334 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
335 Daniel Berlin <dberlin@dberlin.org>
337 * cfgrtl.c (insert_insn_bb_end_new): New function.
338 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
340 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
342 * df.h (struct web_entry): Moved from web.c.
343 (union_defs): Declaration as extern.
344 (unionfind_root): Likewise.
345 (unionfind_union): Likewise.
346 * web.c (struct web_entry): Moved to df.h.
347 (unionfind_root): Remove static declaration.
348 (unionfind_union): Likewise.
349 (union_defs): Likewise and generalize to use callback function.
350 (web_main): Update arguments for union_defs function call.
352 2006-05-04 Richard Guenther <rguenther@suse.de>
354 PR tree-optimization/26447
355 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
356 produce SSA_NAME copies before the store stmt to avoid
357 breaking exception handling.
359 2006-05-04 Jakub Jelinek <jakub@redhat.com>
362 * gimplify.c (omp_is_private): If var is shared in some outer context,
363 return false instead of true. Stop searching on parallel context
366 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
369 * coverage.c: Use get_gcov_unsigned_t() instead of
370 unsigned_type_node all over.
372 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
374 PR tree-optimization/27381
375 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
376 maintain the same immediate_use links.
377 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
378 node rather than segfaulting.
380 2006-05-03 Jakub Jelinek <jakub@redhat.com>
383 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
384 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
385 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
387 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
389 Fix PR tree-optimization/26626
390 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
392 * tree-ssa-operands.c (access_can_touch_variable): Allow
393 typecasting through union pointers.
395 2006-05-02 Jakub Jelinek <jakub@redhat.com>
398 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
399 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
400 to find if var will be a global variable even in the nested context.
401 (omp_copy_decl): Only check for global variable at the end, it might
402 be overridden in outer contexts.
403 (scan_sharing_clauses): For global variables don't create a field.
404 (lower_rec_input_clauses): Do nothing for global shared variables.
405 Emit a barrier at the end of ILIST if there were any decls in both
406 firstprivate and lastprivate clauses.
407 (lower_send_clauses): Do nothing for global variables except for
410 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
412 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
413 of the correct signedness is returned.
415 2006-05-02 Jeff Law <law@redhat.com>
417 PR tree-optimization/27364
418 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
419 multiply expressions.
421 2006-05-02 Tom Tromey <tromey@redhat.com>
423 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
425 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
428 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
429 -mthumb -fPIC are used.
431 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
432 Joshua Kinard <kumba@gentoo.org>
435 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
436 with 64-bit pointers.
438 2006-05-02 Paul Brook <paul@codesourcery.com>
440 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
442 (create_fix_barrier): Check that a suitable barrier location is
444 (arm_reorg): Include ftmp->address in allowable range of addresses.
446 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
449 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
452 2006-05-02 Jakub Jelinek <jakub@redhat.com>
455 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
456 around RESULT_DECL for result passed by reference.
457 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
458 * omp-low.c (use_pointer_for_field): Don't look at
459 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
460 (scan_omp_1): Call remap_decl on RESULT_DECLs.
461 (lower_rec_input_clauses): Don't allocate VLA memory for the second
462 time or var for passing by reference for
463 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
464 TREE_ADDRESSABLE variables when passing by reference.
466 * omp-low.c (dump_omp_region): Fix output formatting.
469 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
470 (expand_omp_parallel): Likewise.
471 * tree-cfg.c (move_sese_region_to_fn): Likewise.
474 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
475 on statement list containing also constructors and destructors.
476 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
479 * except.c (duplicate_eh_regions): Fix clearing of
480 cfun->eh->region_array entries.
482 2006-05-01 DJ Delorie <dj@redhat.com>
484 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
486 (gcc_cv_objdump): Likewise.
487 * configure: Regenerated.
489 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
492 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
493 templates for case 3 and 4.
495 2006-05-01 DJ Delorie <dj@redhat.com>
497 * vec.c: Include bconfig.h when appropriate.
498 * Makefile.in (build/vec.o): Adjust dependencies.
499 * mkconfig.sh: Make sure config.h isn't used for build machine
502 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
504 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
506 (mark_phi_for_rewrite): New function.
507 (insert_phi_nodes_for, mark_use_interesting): Call
508 mark_phi_for_rewrite.
509 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
510 (update_ssa): Initialize and free phis_to_rewrite.
512 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
514 PR rtl-optimization/27291
515 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
516 folded to a constant.
518 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
520 PR tree-optimization/27283
521 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
522 not whole # of iteration descriptions.
523 (niter_for_exit): Return just # of iterations. Fail if # of iterations
524 uses abnormal ssa name.
525 (niter_for_single_dom_exit): Ditto.
526 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
527 return just the number of iterations.
529 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
531 PR tree-optimization/27144
532 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
533 (record_estimate): Only record constant upper bound.
534 (infer_loop_bounds_from_undefined): Call
535 compute_estimated_nb_iterations just once.
536 (proved_non_wrapping_p): Renamed to ...
537 (n_of_executions_at_most): ... this. Expect bound to be a constant.
538 (convert_step_widening, scev_probably_wraps_p): Call
539 n_of_executions_at_most instead of proved_non_wrapping_p.
540 (substitute_in_loop_info): Do not replace values in bounds.
541 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
544 2006-05-01 Richard Henderson <rth@redhat.com>
547 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
548 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
551 2006-05-01 Roger Sayle <roger@eyesopen.com>
553 * c-typeck.c (parser_build_binary_op): Don't call the function
554 unsigned_conversion_warning to spot operand/result type overflow.
555 (build_binary_op): Instead, call convert_and_check instead of
556 convert to report the problem when the operands are promoted.
557 * c-common.c (unsigned_conversion_warning): Make static.
558 * c-common.h (unsigned_conversion_warning): Delete prototype.
560 2006-05-01 Richard Guenther <rguenther@suse.de>
562 PR tree-optimization/26726
563 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
565 (find_interesting_uses_address): ... we work around here
566 by folding INDIRECT_REFs in the substituted base.
568 2006-05-01 Diego Novillo <dnovillo@redhat.com>
570 * omp-low.c (dump_omp_region): Add newlines.
572 2006-04-30 Roger Sayle <roger@eyesopen.com>
574 * common.opt (Woverflow): New command line option.
575 * c-common.c (constant_expression_warning): Check warn_overflow.
576 (overflow_waring): Pass OPT_Woverflow to warning.
577 (unsigned_conversion_warning): Likewise.
578 (convert_and_check): Likewise.
579 * doc/invoke.texi: Document new command line option.
581 2006-04-30 David Edelsohn <edelsohn@gnu.org>
583 * config/rs6000/rs6000.c (rs6000_override_options): Enable
584 TARGET_NO_FP_IN_TOC for section anchors.
585 (optimization_options): Enable section anchors for all
586 non-"Objective" languages.
588 2006-04-28 Eric Christopher <echristo@apple.com>
590 * config/darwin-c.c (darwin_ms_struct): Move this
591 (darwin_set_default_type_attributes): and this...
592 * config/darwin.c: ... here.
593 * config/darwin.h (darwin_ms_struct): Declare.
595 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
597 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
599 2006-04-28 Roger Sayle <roger@eyesopen.com>
602 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
603 (push_array_bounds): Delete prototype. Change BOUNDS argument to
604 an unsigned HOST_WIDE_INT.
605 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
607 (really_start_incremental_init): No need to call convert because
608 bitsize_zero_node is already of type bitsizetype.
609 (push_init_level): Extract the value of constructor_index as an
610 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
611 (process_init_element): Likewise.
613 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
615 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
616 value before passing to make_relative_prefix.
618 2006-04-28 Alan Modra <amodra@bigpond.net.au>
621 * builtins.c (expand_builtin_memset): Expand val in original mode.
623 2006-04-27 Eric Christopher <echristo@apple.com>
625 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
627 * config/darwin-c.c (darwin_ms_struct): New.
628 (darwin_pragma_ms_struct): Ditto.
629 (darwin_set_default_type_attributes): Ditto.
630 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
631 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
632 Register ms_struct pragma.
633 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
634 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
635 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
636 darwin_set_default_type_attributes if TARGET_MACHO.
638 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
640 PR tree-optimization/26854
641 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
642 * doc/tree-ssa.texi: Update immuse iterator documentation.
643 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
644 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
645 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
646 first_safe_imm_use, next_safe_imm_use): Remove.
647 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
648 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
649 (move_use_after_head): New. Helper function to sort immuses in a stmt.
650 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
651 (first_imm_use_stmt): New. Get first stmt in an immuse list.
652 (next_imm_use_stmt): New. Get next stmt in an immuse list.
653 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
654 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
655 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
656 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
657 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
658 (perfect_nestify): Use new iterator.
659 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
661 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
662 (next_imm_name): New field in struct immediate_use_iterator_d.
663 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
664 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
665 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
666 * tree-cfg.c (replace_uses_by): Use new iterator.
667 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
668 * tree-ssa-operands.c (correct_use_link): Remove.
669 (finalize_ssa_use_ops): No longer call correct_use_link.
671 2006-04-27 Stuart Hastings <stuart@apple.com>
673 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
674 * config/t-darwin (crt3.o): Use it.
675 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
676 'pmode', use Pmode instead of SImode for SYMBOL_REF.
677 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
678 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
679 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
682 2006-04-27 Roger Sayle <roger@eyesopen.com>
684 * expmed.c (store_fixed_bit_field): If we're not optimizing for
685 size, force the intermediate into a new pseudo rather instead of
686 performing both a bitwise AND and a bitwise IOR in memory.
688 2006-04-27 Richard Guenther <rguenther@suse.de>
690 PR rtl-optimization/26685
691 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
692 this one "max-flow-memory-locations".
694 2006-04-27 Richard Guenther <rguenther@suse.de>
696 PR tree-optimization/25148
697 * tree-vrp.c (compare_values): Remove code dealing with
698 comparisons against type min/max value. Honour overflow
699 and negative constants in code dealing with comparisons
700 of plus and minus expressions.
701 (value_inside_range): Use fold_binary with LE_EXPR and
702 GE_EXPR rather than compare_values.
704 2006-04-27 Dirk Mueller <dmueller@suse.de>
706 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
709 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
711 * basic-block.h (safe_insert_insn_on_edge): Removed.
712 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
714 2006-04-26 David Edelsohn <edelsohn@gnu.org>
715 Paolo Bonzini <bonzini@gnu.org>
718 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
719 (simplify_and_const_int): Same.
721 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
723 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
725 2006-04-26 Jakub Jelinek <jakub@redhat.com>
728 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
729 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
730 cgraph_global_info_ready.
733 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
736 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
737 either decl or init is error_mark_node.
740 * tree-flow.h (struct omp_region): Add sched_kind.
741 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
742 instead of extracting omp for data.
743 (expand_omp_for): Save extracted sched_kind.
745 2006-04-25 Roger Sayle <roger@eyesopen.com>
747 * expmed.c (store_bit_field): Also check whether the bitsize is
748 valid for the machine's "insv" instruction before moving the
749 target into a pseudo for use with the insv.
750 * config/i386/predicates.md (const8_operand): New predicate.
751 * config/i386/i386.md (extv, extzv, insv): Use the new
752 const8_operand predicate where appropriate.
754 2006-04-25 DJ Delorie <dj@redhat.com>
756 * doc/install.texi (Specific): Clarify that this is not a list of
757 supported hosts or targets.
759 2006-04-25 Richard Sandiford <richard@codesourcery.com>
761 PR rtl-optimization/26725
762 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
763 block's BB_DIRTY flag.
765 2006-04-25 Geoffrey Keating <geoffk@apple.com>
767 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
770 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
773 2006-04-25 David Edelsohn <edelsohn@gnu.org>
775 * varasm.c (align_variable): New function.
776 (get_block_for_decl): Apply align_variable to DECL before
777 calculating section information.
778 (assemble_variable): Split out alignment computation.
780 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
782 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
785 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
787 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
788 MODE_PARTIAL_INT mode.
789 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
790 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
792 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
793 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
795 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
797 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
799 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
800 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
801 MACFLAG_IH): Likewise.
802 (movstricthi_1): Renamed from "*movstricthi".
803 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
804 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
805 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
806 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
807 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
808 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
809 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
810 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
811 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
812 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
813 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
814 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
815 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
816 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
817 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
819 * doc/rtl.texi (ss_ashift): Improve wording.
821 2006-04-24 Geoffrey Keating <geoffk@apple.com>
823 * dwarf2out.c (verify_marks_clear): New.
824 (prune_unused_types): Call verify_marks_clear initially, not
827 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
829 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
830 * doc/rtl.texi: Document them.
831 * simplify-rtx.c (simplify_unary_operation,
832 simplify_binary_operation_1): Don't abort when we see them.
834 2006-04-24 Mark Mitchell <mark@codesourcery.com>
837 2006-04-23 Mark Mitchell <mark@codesourcery.com>
838 * configure.ac: Completely disregard languages that are not
840 * configure: Regenerated.
842 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
843 Richard Guenther <rguenther@suse.de>
845 PR tree-optimization/27236
846 * tree-inline.c (copy_body_r): Make sure to copy
847 TREE_THIS_VOLATILE flag.
849 2006-04-24 Richard Guenther <rguenther@suse.de>
852 * tree-complex.c (update_parameter_components): Don't handle
853 unused parameters which have no default def.
855 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
856 Richard Guenther <rguenther@suse.de>
858 PR tree-optimization/27218
859 * tree-inline.c (expand_call_inline): Strip useless type
860 conversions for the return slot address.
862 2006-04-24 Richard Guenther <rguenther@suse.de>
864 * cfgloop.h (struct loops): Remove unused field array. Reorder
866 (LOOP_PREFETCH): Remove.
868 2006-04-24 Richard Guenther <rguenther@suse.de>
870 PR tree-optimization/22525
871 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
872 variable, adjust types of generated expressions.
874 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
876 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
877 (tree-vect-patterns.o): Likewise.
879 (cselib.o): Likewise.
880 (loop-doloop.o): Likewise.
881 (regclass.o): Likewise.
882 (reload1.o): Likewise.
883 (explow.o): Replace target.h with $(TARGET_H).
884 (ipa-prop.o): Likewise.
885 (ipa-cp.o): Likewise.
886 (ipa-inline.o): Likewise.
888 (reg-stack.o): Likewise.
890 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
892 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
894 2006-04-23 Mark Mitchell <mark@codesourcery.com>
896 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
898 * configure.ac: Completely disregard languages that are not
900 * configure: Regenerated.
903 * c-common.h (c_build_bitfield_integer_type): Declare.
904 * c-decl.c (c_build_bitfield_integer_type): Move to ...
905 * c-common.c (c_build_bitfield_integer_type): ... here.
907 2006-04-23 Roger Sayle <roger@eyesopen.com>
910 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
911 a SImode SUBREG of a floating point register after no_new_pseudos.
913 2006-04-23 Roger Sayle <roger@eyesopen.com>
915 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
916 identify potentially eliminable registers to additionally catch
917 VIRTUAL_INCOMING_ARGS_REGNUM.
918 (addsi3): Update the conditions on when to use addsi_small_int.
920 2006-04-23 Roger Sayle <roger@eyesopen.com>
923 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
924 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
925 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
927 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
929 * fold-const.c (range_predecessor): Use operand_equal_p
930 as the predicate for equality.
931 (range_successor): Likewise.
933 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
936 * config/soft-fp/op-common.h: Fix a typo.
938 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
941 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
942 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
944 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
946 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
948 * doc/tm.texi: Fix a typo.
950 2006-04-21 Geoffrey Keating <geoffk@apple.com>
952 * dwarf2out.c (struct die_struct): Document that die_sib makes
953 a circular linked list.
954 (FOR_EACH_CHILD): New.
955 (reverse_die_lists): Delete.
956 (reverse_all_dies): Delete.
957 (add_dwarf_attr): Correct documentation.
958 (remove_child_with_prev): New.
959 (remove_child_TAG): Update for change to die_struct, use
960 remove_child_with_prev.
961 (add_child_die): Update for change to die_struct.
962 (splice_child_die): Use remove_child_with_prev and add_child_die.
963 (print_die): Use FOR_EACH_CHILD.
964 (die_checksum): Likewise.
965 (assign_symbol_names): Likewise.
966 (output_location_lists): Likewise.
967 (build_abbrev_table): Likewise.
968 (calc_die_sizes): Likewise.
969 (mark_dies): Likewise.
970 (unmark_dies): Likewise.
971 (unmark_all_dies): Likewise.
972 (output_die): Likewise.
973 (prune_unused_types_mark): Likewise.
974 (prune_unused_types_walk): Likewise.
975 (same_die_p): Update for change to die_struct.
976 (break_out_includes): Likewise.
977 (prune_unused_types_prune): Likewise.
978 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
979 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
981 (dwarf2out_finish): Don't call reverse_all_dies.
983 2006-04-21 Eric Christopher <echristo@apple.com>
985 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
986 in comments and function names.
988 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
991 * c-typeck.c (digest_init): Robustify.
993 * c-typeck.c (pop_init_level): Simplify.
995 2006-04-21 Steve Ellcey <sje@cup.hp.com>
997 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
999 2006-04-21 Paul Brook <paul@codesourcery.com>
1001 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1002 hardware floating point.
1004 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1006 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1009 2006-04-21 Nick Clifton <nickc@redhat.com>
1011 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1014 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1017 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1018 C++ lang type in traceback table for Objective-C++.
1020 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1022 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1024 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1026 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1029 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1030 were errors. Remove check for erroneous objects.
1032 2006-04-20 Jeff Law <law@redhat.com>
1034 PR tree-optimization/26854
1035 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1036 checking for zero or one use.
1037 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1038 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1039 * tree-ssa-reassoc.c (negate_value): Similarly.
1040 (reassociate_bb): Similarly.
1042 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1044 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1045 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1046 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1048 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1050 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1051 fp regs if the last fp arg doesn't fit in regs.
1053 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1056 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1057 that the last insn has the REG_INC note.
1059 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1060 Nathan Sidwell <nathan@codesourcery.com>
1063 * stor-layout.c (update_alignment_for_field): Do not align
1065 (place_union_field): Place union field at the start of the union.
1066 (place_field): Move ERROR_MARK check later, and use the current
1067 allocation position to maintain monotonicity.
1069 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1071 * dominance.c: Include timevar.h.
1072 (calculate_dominance_info): Use TV_DOMINANCE.
1073 * timevar.def (TV_DOMINANCE): New timevar.
1074 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1076 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1078 PR rtl-optimization/14261
1079 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1080 move would be an INSV insn.
1081 (noce_process_if_block): Don't optimize if the destination is a
1082 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1084 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1086 * config/s390/s390.md: Add comments with the instructions emitted
1087 by an insn pattern if macros are used.
1089 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1091 PR rtl-optimization/26026
1092 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1093 is a known power of two shifted left a variable amount.
1095 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1097 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1098 to hash table twice when the debug_str section has SECTION_MERGE.
1100 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1102 * config/soft-fp: New directory. From glibc.
1103 * config/soft-fp/t-softfp: New.
1104 * config/soft-fp/README: New.
1105 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1106 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1107 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1108 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1109 * config.gcc: Use rs6000/t-fprules-fpbit or
1110 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1112 * config/rs6000/sfp-machine.h: New. Based on glibc.
1113 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1115 * config/rs6000/t-fprules: Remove fp-bit rules.
1116 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1117 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1118 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1119 (softfp_wrap_start, softfp_wrap_end): New.
1121 2006-04-18 DJ Delorie <dj@redhat.com>
1123 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1125 2006-04-18 Devang Patel <dpatel@apple.com>
1127 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1129 2006-04-18 Nick Clifton <nickc@redhat.com>
1131 * config/sh/t-symbian: Add rule to build sh-c.o
1132 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1133 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1134 (sh_symbian_encode_section_info): Likewise.
1136 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1138 * builtins.c (expand_builtin_strcmp): Cover label definition of
1139 do_libcall with HAVE_cmpstrnsi.
1141 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1143 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1145 * function.h (temp_slot_p): New.
1146 (function): Change the type of x_used_temp_slots to
1147 VEC(temp_slot_p,gc) *.
1149 2006-04-18 Nick Clifton <nickc@redhat.com>
1151 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1152 flag_strength_reduce.
1154 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1156 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1160 Partial revert of revision 112637
1161 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1162 Dale Johannesen <dalej@apple.com>
1165 * regclass.c (struct reg_pref): Update documentation.
1166 (regclass): Set prefclass to NO_REGS if memory is the best option.
1167 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1169 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1171 PR tree-optimization/26821
1172 * tree-ssa-math-opts.c (get_constant_one): New.
1173 (insert_reciprocals): Use it.
1175 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1177 * dwarf2out.c (free_AT): Delete.
1178 (remove_AT): Update string ref counts.
1179 (remove_child_TAG): Don't call free_die.
1181 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1182 or DW_TAG_GNU_EINCL.
1183 (prune_unused_types_walk_attribs): Reset string refcounts.
1184 (prune_unused_types_update_strings): New.
1185 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1186 call free_die. Do call prune_unused_types_update_strings.
1187 (prune_unused_types): Empty debug_str_hash.
1189 2006-04-17 Roger Sayle <roger@eyesopen.com>
1191 * expr.c (expand_assignment): Optimize away no-op moves where the
1192 source and destination are equal and have no side-effects.
1194 2006-04-17 Richard Guenther <rguenther@suse.de>
1197 * reload.c (push_reload): Guard calls to get_secondary_mem
1200 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1202 * alias.c (reg_base_value, old_reg_base_value): Change the
1203 type to VEC(rtx,gc) *.
1204 (REG_BASE_VALUE, find_base_value, record_set,
1205 init_alias_analysis): Use VEC instead of VARRAY.
1207 * alias.c (alias_sets): Change the type to
1208 VEC(alias_set_entry,gc) *.
1209 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1210 VEC instead of VARRAY.
1211 (last_alias_set): Remove.
1213 * cgraph.h (cgraph_edge_p): New.
1214 Update the prototype of cgraph_function_versioning.
1215 * cgraphunit.c (cgraph_copy_node_for_versioning,
1216 cgraph_function_versioning): Use VEC instead of VARRAY.
1217 * ipa-cp.c (ipcp_insert_stage): Likewise.
1219 2006-04-16 Roger Sayle <roger@eyesopen.com>
1222 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1223 "A op B" or "A op C", we may need to convert A to the type of B and C.
1225 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1227 * target.h (struct gcc_target): Add mode_rep_extended.
1228 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1229 (init_num_sign_bit_copies_in_rep): Initialize it using
1231 (truncate_to_mode): Use it.
1232 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1233 * targhooks.h (default_mode_rep_extended): Declare it.
1234 * targhooks.c (default_mode_rep_extended): Define it.
1235 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1236 default_mode_rep_extended.
1237 (TARGET_INITIALIZER): Include it.
1238 * doc/tm.texi (Misc): Document it.
1239 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1240 (mips_truncated_to_mode): New function.
1242 2006-04-16 Roger Sayle <roger@eyesopen.com>
1245 * expr.c (compress_float_constant): Copy the narrow constant into
1246 a new pseudo before extending it to its final width.
1248 2006-04-16 Roger Sayle <roger@eyesopen.com>
1249 Andrew Pinski <pinskia@gcc.gnu.org>
1250 Dale Johannesen <dalej@apple.com>
1253 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1254 special case code to implement V8HImode and V16QImode with SSE2.
1256 2006-04-15 Roger Sayle <roger@eyesopen.com>
1258 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1259 trees are constructed with a suitable tree type.
1261 2006-04-15 Roger Sayle <roger@eyesopen.com>
1263 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1264 (integer_onep): Likewise.
1265 (integer_all_onesp): Likewise.
1266 (integer_pow2p): Likewise.
1267 (integer_nonzerop): Likewise.
1268 (real_zerop): Likewise.
1269 (real_onep): Likewise.
1270 (real_twop): Likewise.
1271 (real_minus_onep): Likewise.
1272 (int_size_in_bytes): Likewise.
1273 (host_integerp): Likewise.
1275 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1277 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1278 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1279 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1281 * tree-ssa-structalias.h (alias_info): Remove num_references.
1283 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1285 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1286 (output_bvb patterns): Likewise.
1287 * pa.c (output_bb): Use 'bb' insn for long branch case.
1288 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1289 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1290 1. Correct length operand for alternatives 1 and 2.
1291 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1292 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1294 2006-04-14 Roger Sayle <roger@eyesopen.com>
1296 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1297 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1298 were accidentally reverted by r112959.
1300 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1303 * except.h (eh_region_outermost): New prototype.
1304 * except.c (eh_region_outermost): New function.
1305 * tree-cfg.c (find_outermost_region_in_block): Use it.
1307 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1309 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1311 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1312 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1313 (init_reload, reload): Use VEC instead of VARRAY.
1314 * reload.h: Update the prototype for
1315 reg_equiv_memory_loc_varray.
1317 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1318 Eric Botcazou <ebotcazou@libertysurf.fr>
1320 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1323 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1326 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1327 to expand fallback builtin function call.
1329 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1332 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1333 and emit libcall here in case the builtin fails.
1334 (expand_builtin_strcmp): Always emit the libcall here on failure.
1336 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1338 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1339 * flow.c (reg_n_info): Change the type to
1340 VEC(reg_info_p,heap) *.
1341 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1343 * regs.h (reg_info_p): New.
1344 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1345 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1346 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1349 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1351 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1353 * params.h (MAX_SCHED_READY_INSNS): New macro.
1354 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1355 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1356 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1357 the ready list for 1 cycle during the first scheduling pass.
1358 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1360 2006-04-13 Richard Henderson <rth@redhat.com>
1363 * gimple-low.c (lower_omp_directive): Remove dead code.
1364 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1365 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1366 * omp-low.c (struct omp_region): Move to tree-flow.h.
1367 (root_omp_region): Export.
1368 (omp_regions, lookup_omp_region): Remove.
1369 (determine_parallel_type): Update for struct omp_region changes.
1370 (dump_omp_region): Dump regions with block numbers.
1371 (new_omp_region): Take type and block instead of stmt; malloc
1373 (free_omp_region_1, free_omp_regions): New.
1374 (expand_parallel_call): Take entry_stmt as argument; update for
1375 changes to omp_region.
1376 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1377 (remove_exit_barriers): New.
1378 (expand_omp_parallel): Update for struct omp_region changes.
1379 (expand_omp_synch): Likewise.
1380 (expand_omp): Likewise.
1381 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1382 (expand_omp_for_static_chunk): Likewise.
1383 (expand_omp_for): Likewise.
1384 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1385 (expand_omp_sections): Similarly, with GOMP_sections_end.
1386 (expand_omp_single): New.
1387 (build_omp_regions_1): Update for OMP_CONTINUE.
1388 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1389 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1390 OMP_SECTIONS_SECTIONS.
1391 (lower_omp_single_simple): Don't emit barrier here.
1392 (lower_omp_single_copy): Likewise.
1393 (lower_omp_single): Fix bindings, and lower to straightline now.
1394 (lower_omp_master, lower_omp_ordered): Likewise.
1395 (lower_omp_critical): Likewise.
1396 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1397 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1398 omp edges, free it afterward.
1399 (make_omp_sections_edges): Remove.
1400 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1401 (move_stmt_r): Handle OMP_CONTINUE.
1402 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1403 statement pointers to basic blocks. Add type member.
1404 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1405 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1406 * tree-inline.c (estimate_num_insns_1): Likewise.
1407 * tree-pretty-print.c (dump_generic_node): Likewise.
1408 * tree-ssa-operands.c (get_expr_operands): Likewise.
1409 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1410 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1411 (OMP_CONTINUE): New.
1412 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1413 (OMP_SECTIONS_SECTIONS): Remove.
1414 (OMP_SECTION_LAST): New.
1415 (OMP_RETURN_NOWAIT): New.
1417 2006-04-13 Roger Sayle <roger@eyesopen.com>
1419 * fold-const.c (native_encode_vector, native_interpret_real):
1420 Correct obvious mistakes in the previous check-in.
1422 2006-04-13 Roger Sayle <roger@eyesopen.com>
1424 * fold-const.c (native_encode_expr): New function to encode
1425 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1426 or VECTOR_CST into a specified buffer.
1427 (native_encode_int): New function.
1428 (native_encode_real): New function.
1429 (native_encode_complex): New function.
1430 (native_encode_vector): New function.
1431 (native_interpret_expr): Inverse of native_encode_expr to convert
1432 a target representation into an INTEGER_CST, REAL_CST etc...
1433 (native_interpret_int): New function.
1434 (native_interpret_real): New function.
1435 (native_interpret_complex): New function.
1436 (native_interpret_vector): New function.
1437 (fold_view_convert_expr): New function to constant fold/evaluate
1438 a VIEW_CONVERT_EXPR of a suitable constant expression.
1439 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1440 Change call of build1 to fold_build1 when constructing a
1443 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1444 Ulrich Weigand <uweigand@de.ibm.com>
1447 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1450 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1453 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1454 optimize to lo_sum for DFmode if !TARGET_FPRS.
1456 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1458 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1459 delete_alias_info, compute_flow_sensitive_aliasing,
1460 group_aliases): Use VEC instead of VARRAY.
1461 * tree-ssa-structalias.c (update_alias_info): Likewise.
1462 * tree-ssa-structalias.h (alias_info): Change the type of
1463 processed_ptrs to VEC(tree,heap) *.
1465 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1468 * config/sh/lib1funcs.h: New file, broken out of:
1469 * config/sh/lib1funcs.asm.
1470 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1472 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1473 * config/sh/lib1funcs-Os-4-200.asm: New file.
1474 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1475 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1476 (EXTRA_MULTILIB_PARTS): Include it.
1477 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1478 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1479 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1480 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1483 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1485 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1486 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1487 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1489 * tree-ssa-live.h: Include vecprim.h.
1490 (tree_partition_associator_d): Change the type of
1491 first_partition to VEC(int,heap) *.
1492 (tpa_first_partition): Use VEC instead of VARRAY.
1494 * Makefile.in (GTFILES): Move functions.h after tree.h.
1495 * function.c (reset_block_changes, record_block_change,
1496 check_block_change, free_block_changes): Use VEC instead of
1498 * function.h (function): Change the type of
1499 ib_boundaries_block to VEC(tree,gc) *.
1500 * tree-inline.c (copy_cfg_body): Initialize
1501 ib_boundaries_block to NULL instead of (varray_type) 0.
1503 2006-04-12 Roger Sayle <roger@eyesopen.com>
1505 * expr.c (emit_group_store): Correct operand order in call to
1506 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1507 a SUBREG_BYTE of zero.
1509 2006-04-12 Richard Guenther <rguenther@suse.de>
1511 * profile.c (compute_branch_probabilities): Remove code
1512 encapsulated in !ir_type (), which are remanents of the
1513 removed RTL profiling code.
1514 * rtl-profile.c: Remove.
1516 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1518 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1519 magic NULL_RTX comment.
1520 (function_arg): Store entire fp arg to mem if any part should go
1522 (rs6000_arg_partial_bytes): Adjust for above change.
1524 2006-04-11 Roger Sayle <roger@eyesopen.com>
1526 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1527 if it hasn't been initialized by dwarf2out_init.
1529 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1531 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1532 symbolic constants in branch patterns.
1534 2006-04-11 Roger Sayle <roger@eyesopen.com>
1536 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1538 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1540 PR rtl-optimization/27073
1541 * gcse.c (try_replace_reg): Revert last change. Continue to search
1542 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1545 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1547 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1548 aggregate types other than record and union types.
1549 (function_arg): Likewise.
1550 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1552 (function_value): In 64-bit mode, return objects that require it
1555 2006-04-11 Roger Sayle <roger@eyesopen.com>
1557 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1559 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1561 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1563 2006-04-03 Jeff Law <law@redhat.com>
1566 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1567 alias information too.
1569 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1571 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1573 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1576 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1577 (premark_used_types_helper): New.
1578 (premark_used_types): New.
1579 (gen_subprogram_die): Call premark_used_types.
1580 (prune_unused_types_walk): Do not prune perennial dies.
1581 * function.c (used_types_insert): New.
1582 * function.h (struct function): Add used_types_hash field.
1583 (used_types_insert): Add prototype.
1584 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1585 * c-parser.c (c_parser_cast_expression): Save casted types in used
1588 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1591 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1592 rs6000_explicit_options.float_gprs.
1594 2006-04-10 Roger Sayle <roger@eyesopen.com>
1596 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1597 from ix86_expand_vector_init_low_nonzero. Take an additional
1598 one_var argument indicating which element is non-zero. Support
1599 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1600 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1601 with one_var instead of ix86_expand_vector_init_low_nonzero.
1603 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1605 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1606 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1607 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1608 build/genextract.o): Depend on vecprim.h.
1609 * cfglayout.c, df-problems.c, function.c, genextract.c,
1610 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1611 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1615 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1617 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1618 Declare VECs of this type.
1619 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1620 (remove_children): Delete.
1621 (add_dwarf_attr): Use VEC routines.
1622 (add_AT_flag): Update for changes to add_dwarf_attr.
1623 (add_AT_int): Likewise.
1624 (add_AT_unsigned): Likewise.
1625 (add_AT_long_long): Likewise.
1626 (add_AT_vec): Likewise.
1627 (add_AT_string): Likewise.
1628 (add_AT_die_ref): Likewise.
1629 (add_AT_fde_ref): Likewise.
1630 (add_AT_loc): Likewise.
1631 (add_AT_loc_list): Likewise.
1632 (add_AT_addr): Likewise.
1633 (add_AT_lbl_id): Likewise.
1634 (add_AT_lineptr): Likewise.
1635 (add_AT_macptr): Likewise.
1636 (add_AT_offset): Likewise.
1637 (add_AT_range_list): Likewise.
1638 (get_AT): Use VEC_iterate.
1639 (remove_AT): Use VEC_ordered_remove.
1640 (free_die): Fold remove_children into here; have it use VEC_iterate.
1641 (print_die): Use VEC_iterate on attrs.
1642 (reverse_die_lists): Don't reverse attr lists.
1643 (die_checksum): Use VEC_iterate on attrs.
1644 (same_die_p): Likewise.
1645 (output_location_lists): Likewise.
1646 (build_abbrev_table): Likewise.
1647 (size_of_die): Likewise.
1648 (unmark_all_dies): Likewise.
1649 (output_abbrev_section): Likewise.
1650 (output_die): Likewise.
1651 (prune_unused_types_walk_attribs): Likewise.
1653 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1655 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1657 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1660 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1662 2006-04-09 Roger Sayle <roger@eyesopen.com>
1664 * expr.c (store_constructor): Don't bother clearing target if
1665 we're about to assign a vector to it using vec_init_optab.
1667 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1669 * tree-ssa-alias.c (lhs_may_store_to): New function.
1670 (recalculate_used_alone): Handle LHS of calls.
1672 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1676 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1677 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1678 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1679 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1680 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1681 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1682 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1683 stubs. Add ".align 8" directives before all ".dword" directives.
1684 (GTHREAD_USE_WEAK): Revise comment.
1685 (TARGET_ATTRIBUTE_WEAK): Define.
1686 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1687 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1688 * stublib.c: New file.
1693 * pa.md (cbranch patterns): Revise arguments used in calls to
1694 output_cbranch, output_bb and output_bvd. Add long branch length
1696 (fbranch patterns): Handle long branches.
1697 (jump): Revise length check. Revise arguments for output_lbranch call.
1698 Add long branch length attributes.
1699 (decrement_and_branch_until_zero): Add long branch length attributes.
1700 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1701 Likewise. Revise arguments for output_parallel_addb and
1702 output_parallel_movb calls.
1703 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1704 output_parallel_movb and output_parallel_addb): Update prototypes.
1705 * pa.c (output_cbranch): Revise arguments. Correct handling of
1706 nullification in long branches.
1707 (output_lbranch): Add new argument to control extraction of delay
1709 (output_bb): Handle long branches.
1710 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1711 output_parallel_addb): Likewise.
1713 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1715 PR rtl-optimization/27073
1716 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1719 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1721 * tree.h (tree_memory_tag): Add old_used_alone.
1722 (SMT_OLD_USED_ALONE): New macro.
1723 * tree-ssa-alias.c (recalculate_used_alone): Stop
1724 marking things for renaming unnecessarily.
1726 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1728 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1729 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1730 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1731 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1732 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1733 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1734 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1735 spelling convensions.
1736 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1737 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1738 typos. Follow spelling conventions.
1740 2006-04-07 DJ Delorie <dj@redhat.com>
1742 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1743 passed on the stack.
1744 (m32c_init_cumulative_args): When a function returns a structure,
1745 always pass the pointer to that return area on the stack.
1746 (m32c_function_arg_advance): Don't increment the parameter number
1747 if we're processing the returned structure pointer.
1748 (pushm_info): Reverse order of registers.
1750 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1752 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1753 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1754 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1755 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1757 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1758 chrec_fold_multiply): Same.
1759 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1760 force_expr_to_var_cost): Same.
1761 * tree-mudflap.c (mf_xform_derefs_1): Same.
1762 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1764 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1766 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1767 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1770 2006-04-07 Jan Hubicka <jh@suse.cz>
1772 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1774 2006-04-07 Richard Guenther <rguenther@suse.de>
1776 PR tree-optimization/26135
1777 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1778 loads for store copy-prop.
1779 (copy_prop_visit_stmt): Likewise.
1781 2006-04-05 Robert Millan <robertmh@gnu.org>
1783 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1784 being overriden in config/k*bsd-gnu.h.
1785 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1787 * gcc/config/knetbsd-gnu.h: Ditto.
1789 2006-04-06 Jan Hubicka <jh@suse.cz>
1793 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1796 2006-04-06 Mike Stump <mrs@apple.com>
1798 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1799 for HAVE_nonlocal_goto to be consistent.
1800 (expand_builtin_nonlocal_goto): Likewise.
1801 (expand_builtin_strcmp): Use #ifdef instead of #if
1802 for HAVE_cmpstrnsi to be consistent.
1804 2006-04-05 DJ Delorie <dj@redhat.com>
1806 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1809 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1811 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1812 got-relative addressing for anything but SImode.
1814 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1815 even if the calling function doesn't modify them.
1817 2006-04-05 Richard Guenther <rguenther@suse.de>
1819 PR tree-optimization/26919
1820 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1821 to cgraph_estimate_size_after_inlining.
1823 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1825 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1827 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1829 PR tree-optimization/26996
1830 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1831 VECTOR_TYPE variables.
1833 2006-04-05 Richard Guenther <rguenther@suse.de>
1835 PR tree-optimization/26763
1836 * fold-const.c (fold_comparison): Move folding of
1837 PTR + CST CMP PTR + CST ...
1838 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1840 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1842 * doc/install.texi (Prerequisites): Refine some wording on
1843 bootstrapping and ksh.
1844 Move the version numbers of DejaGnu here from the testing section
1845 and fix casing of names.
1846 Fix markup and clarify wording for autogen requirements.
1847 Refer to GCJ instead of just java.
1848 Refer to SVN instead of CVS.
1849 Describe diffutils as useful instead of necessary.
1850 (Downloading the source): Refer to SVN instead of CVS.
1851 Adjust a link to our web site accordingly.
1852 (Configuration): Fix casing of Bison.
1853 (Building): Refer to SVN instead of CVS.
1854 Fix a sentence on the use of Bison and remove duplicate (and
1855 incorrect) version number of Bison requirement.
1856 Remove one redundant list of packages needed for building.
1857 (Specific): Avoid reference to CVS.
1859 2006-04-04 Eric Christopher <echristo@apple.com>
1861 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1862 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1863 (rs6000_handle_struct_attribute): New.
1864 (rs6000_ms_bitfield_layout_p): Ditto.
1866 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1868 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1869 NULL for dso parameter to atexit_common.
1871 2006-04-04 Eric Christopher <echristo@apple.com>
1873 * config/i386/i386.c (machopic_output_stub): Output \t
1874 between instructions and operands.
1876 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1878 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1879 satisfies_constraint_[IL] to explicit tests on value.
1881 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1883 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1884 set_nb_iterations_in_loop): Use build_int_cst instead of
1886 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1887 build_int_cst instead of convert.
1889 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1891 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1892 new value 2 for incoming.
1893 * function.c (expand_function_start): Call struct_value_rtx
1895 * config/sparc/sparc.md: Comment updated_return.
1896 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1897 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1898 struct return if sparc_std_struct_return and incoming is 2.
1899 (print_operand): Do not adjust return if
1900 sparc_std_struct_return.
1902 2006-04-04 Roger Sayle <roger@eyesopen.com>
1904 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1905 convert in the middle-end.
1906 * expr.c (store_expr, store_constructor, get_inner_reference,
1907 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1909 * tree.c (build_range_type): Likewise.
1911 2006-04-04 Tom Tromey <tromey@redhat.com>
1913 * doc/install.texi (Prerequisites): Mention jar.
1915 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1917 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1920 2006-04-04 Matthias Klose <doko@debian.org>
1922 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1923 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1926 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1928 * doc/extend.texi (Function Attributes): Rewrite visibility
1929 attribute documentation.
1930 * doc/invoke.texi (C++ Dialect Options): Rewrite
1931 -fvisibility-inlines-hidden documentation to describe something
1932 entirely different, although in practise compatible.
1933 (Code Gen Options): Warn about system headers in -fvisibiltity=
1936 * doc/extend.texi (Other Builtins): Document that
1937 __builtin_nan is a compile-time constant only when its argument
1940 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1942 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1943 trying to remove TRUNCATE check if all bits outside the new mode
1944 are identical to the sign bit.
1946 2006-04-03 Jeff Law <law@redhat.com>
1948 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1949 and operand scanning in some common cases.
1951 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1952 Dale Johannesen <dalej@apple.com>
1955 * regclass.c (struct reg_pref): Update documentation.
1956 (regclass): Set prefclass to NO_REGS if memory is the best option.
1957 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1958 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1959 into account. For non-registers, equate an empty preferred
1960 reload class to a `!' in the constraint; move the if clause to
1961 do so after those that reject the insn.
1962 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1964 (find_dummy_reload): Likewise.
1965 * doc/tm.texi (Register Classes): Document what it means
1966 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1967 * config/i386/i386.c (ix86_preferred_reload_class): Force
1968 using SSE registers (and return NO_REGS for floating-point
1969 constants) if math is done with SSE.
1970 (ix86_preferred_output_reload_class): New.
1971 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1972 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1973 * config/i386/i386.md: Remove # register preferences.
1975 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1978 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1979 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1980 the type of nb_iter.
1981 (instantiate_parameters_1): Convert the operands before calling
1982 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1983 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1985 2006-04-02 Roger Sayle <roger@eyesopen.com>
1987 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1988 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1990 * dojump.c (do_jump): Likewise.
1991 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1992 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1993 gimplify_boolean_expr): Likewise.
1994 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1995 * varasm.c (array_size_for_constructor): Likewise.
1996 * tree-object-size.c (compute_object_offset): Likewise.
1998 2006-04-02 Roger Sayle <roger@eyesopen.com>
2001 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2002 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2004 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2006 PR tree-optimization/26939
2007 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2009 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2011 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2012 at_stmt. Convert the type of operands before calling
2013 build_polynomial_chrec.
2014 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2016 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2017 (instantiate_parameters_1): Convert the type of operands before calling
2018 build_polynomial_chrec.
2019 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2020 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2021 reset_evolution_in_loop): Insert asserts to check the types of the
2023 (chrec_type): Moved...
2024 (eq_evolutions_p): Use operand_equal_p.
2025 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2026 the types of the operands.
2027 (chrec_type): ...here.
2028 * tree-data-ref.c (create_data_ref): Convert the operands before
2029 calling chrec_replace_initial_condition.
2030 (same_access_functions, analyze_subscript_affine_affine,
2031 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2032 (compute_subscript_distance, analyze_ziv_subscript,
2033 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2034 analyze_miv_subscript): Convert the operands before calling
2035 chrec_fold_minus or chrec_fold_plus.
2037 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2039 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2040 the dependence_relations vector.
2041 (compute_data_dependences_for_loop): Adjust call to
2042 compute_all_dependences.
2044 2006-04-01 Roger Sayle <roger@eyesopen.com>
2045 Richard Henderson <rth@redhat.com>
2047 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2048 gimple_boolify on the condition before calling gimplify_expr.
2050 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2052 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2053 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2054 the frame size. Update to use the new macros.
2055 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2056 * config/xtensa/ieee754-df.S: Likewise.
2058 2006-03-31 Richard Henderson <rth@redhat.com>
2060 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2061 (make_edges): ... here. Control fallthru creation with a local
2062 variable. Do not play with fake edges.
2063 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2064 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2067 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2069 * dwarf2.h (DW64_CIE_ID): Define.
2070 * dwarf2out.c (DWARF_CIE_ID): Define.
2071 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2072 length header. Use DWARF_CIE_ID.
2073 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2074 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2076 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2078 * config/sh/linux-atomic.asm: New file.
2079 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2081 2006-03-31 DJ Delorie <dj@redhat.com>
2083 * config/m32c/cond.md: Set condition flags properly throughout.
2084 * config/m32c/minmax.md: Likewise.
2085 * config/m32c/prologue.md: Likewise.
2086 * config/m32c/bitops.md: Likewise.
2087 * config/m32c/muldiv.md: Likewise.
2088 * config/m32c/mov.md: Likewise.
2089 * config/m32c/addsub.md: Likewise.
2090 * config/m32c/m32c.md: Likewise.
2091 * config/m32c/jump.md: Likewise.
2092 * config/m32c/shift.md: Likewise.
2094 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2095 conditionally output the pattern for this.
2096 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2097 (m32c_compare_redundant): New.
2098 (m32c_output_compare): New.
2099 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2101 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2102 dest, not src. Allow other 4-byte modes.
2104 2006-03-30 Denis Chertykov <denisc@overta.ru>
2106 * doc/md.texi: Refer to avr/constraints.md instead of
2109 2006-03-30 Roger Sayle <roger@eyesopen.com>
2111 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2112 signed vs. unsigned comparison failures on some hosts.
2114 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2117 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2118 change to FLOAT_REGS.
2120 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2121 (rs6000_override_options): Use it.
2122 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2123 only for -mabi=spe/no-spe and -mabi=altivec.
2125 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2127 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2130 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2132 * Makefile.in: Rename docdir to gcc_docdir.
2134 2006-03-30 Roger Sayle <roger@eyesopen.com>
2137 * expr.c (emit_group_store): Optimize group stores into a pseudo
2138 register by using a paradoxical subreg to initialize the destination
2139 if the first or last member of the group specifies a "low part".
2141 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2144 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2145 * target.h (struct gcc_target.speculate_insn): Change type of the
2146 second parameter to 'int'.
2147 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2148 the second operand of the DEPS_LIST.
2149 (copy_DEPS_LIST_list): Update reference to the second operand of the
2151 * rtl.h (alloc_DEPS_LIST): Update signature.
2152 * sched-int.h (ds_t): Change typedef to 'int'.
2153 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2155 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2157 * haifa-sched.c (try_ready): Change condition to restore
2158 non-speculative pattern of the instruction.
2159 (process_insn_depend_be_in_spec): Code to keep probability of the
2160 speculative dependence non-decreasing.
2162 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2164 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2165 (single_move_for_movmem): ... this. Also change all uses.
2166 (bfin_expand_strmov): Renamed to...
2167 (bfin_expand_movmem): ... this. Also change all uses.
2168 * config/bfin/bfin.md (movstrsi): Renamed to...
2169 (movstrsi): ...this.
2171 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2173 PR tree-optimization/26830
2175 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2176 (copy_prop_visit_stmt): Remove write-only variable ann.
2177 (init_copy_prop): Check variable loop depth here. Do not simulate
2178 memory-tag and virtual operand PHIs except for store copy prop.
2180 2006-03-30 Richard Guenther <rguenther@suse.de>
2182 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2183 variants with double arguments.
2185 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2187 * genpreds.c (write_tm_constrs_h): Delete variable p.
2188 * genconditions.c (write_header): Add tm-constrs.h to included
2190 * genpeep.c (main): Add toplev.h to included headers.
2191 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2192 (build/genpeep.o): Add toplev.h dependency.
2193 * config/rs6000/constraints.md: Add "W" constraint.
2195 2006-03-29 Roger Sayle <roger@eyesopen.com>
2197 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2198 sizes by correctly testing whether the size fits a host integer.
2199 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2200 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2201 SImode range for the default sizetype and bitsizetype.
2203 2006-03-29 Roger Sayle <roger@eyesopen.com>
2205 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2206 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2207 quickly if the argument is already of the correct type.
2208 Call fold_build1 instead of build1. Tidy up blank lines.
2210 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2212 * genemit.c (main): Add tm-constrs.h to included headers.
2213 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2214 * genpeep.c (main): Add tm-constrs.h to included headers.
2215 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2216 (write_tm_constrs_h): this and write complete file.
2217 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2218 (write_insn_preds_c): Add tm-constrs.h to included headers.
2219 (gen_constrs): New variable.
2220 (parse_option): Parse "-c".
2221 (main): Invoke write_tm_constrs_h.
2222 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2223 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2224 (object_out_file): Add tm-constrs.h dependency.
2225 (insn-emit.o): Same.
2226 (insn-output.o): Same.
2227 (insn-peep.o): Same.
2228 (insn-preds.o): Same.
2229 (insn-recog.o): Same.
2230 (tm-constsr.h): New target.
2231 (s-constrs-h): New target.
2233 * config/rs6000/constraints.md: New file.
2234 * config/rs6000/rs6000.c: Include tm-constrs.h.
2235 (num_insn_constant_wide): Convert to satisfies_constraint.
2236 (rs6000_rtx_costs): Convert to satisfies_constraint.
2237 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2238 (CONST_OK_FOR_LETTER_P): Delete.
2239 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2240 (EXTRA_CONSTRAINT): Delete.
2241 (EXTRA_MEMORY_CONSTRAINT): Delete.
2242 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2243 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2244 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2245 satisfies_constraint.
2247 * config/i386/i386.c: Include tm-constrs.h.
2249 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2251 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2252 * tree-data-ref.c (find_data_references_in_loop,
2253 compute_data_dependences_for_loop): Use pointers to VEC.
2254 (analyze_all_data_dependences): Adjust calls.
2255 * tree-data-ref.h (find_data_references_in_loop,
2256 compute_data_dependences_for_loop): Adjust declarations.
2257 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2258 compute_data_dependences_for_loop.
2260 2006-03-29 Paul Brook <paul@codesourcery.com>
2262 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2265 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2267 PR tree-optimization/26859
2268 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2270 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2271 for the step after fold_convert.
2273 2006-03-29 Paul Brook <paul@codesourcery.com>
2275 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2276 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2278 2006-03-29 Paul Brook <paul@codesourcery.com>
2281 * targhooks.c (default_narrow_bitfield): New fuction.
2282 * targhooks.h (default_narrow_bitfield): add prototype.
2283 * target.h (gcc_target): Add narrow_volatile_bitfield.
2284 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2285 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2286 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2287 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2289 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2291 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2293 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2294 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2295 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2296 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2297 (s390_function_arg_float): Allow SDmode and DDmode values to be
2298 passed in floating point registers.
2299 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2300 check with SCALAR_FLOAT_MODE_P.
2301 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2303 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2305 PR tree-optimization/25985
2306 * tree-ssa-loop-niter.c (number_of_iterations_le,
2307 number_of_iterations_ne): Make comments more precise.
2308 (number_of_iterations_cond): Add only_exit argument. Use the
2309 fact that signed variables do not overflow only when only_exit
2311 (loop_only_exit_p): New.
2312 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2313 number_of_iterations_cond.
2315 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2317 PR tree-optimization/26643
2318 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2321 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2323 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2324 (divsi3_i4_int): Likewise.
2326 2006-03-28 Roger Sayle <roger@eyesopen.com>
2328 * expr.c (emit_group_store): Only create a new pseudo reg if the
2329 quantity it needs to hold isn't already a suitable pseudo.
2331 2006-03-28 Jeff Law <law@redhat.com>
2333 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2334 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2336 2006-03-28 Roger Sayle <roger@eyesopen.com>
2338 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2339 the equivalent ~X & Y, and the symmetry related transformations.
2340 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2341 ~X & Y, and symmetry related transforms.
2343 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2345 Revert my 2006-03-27 patches.
2347 2006-03-28 Roger Sayle <roger@eyesopen.com>
2349 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2350 ~(T1)X, when T1 and T2 are integer types of the same precision
2351 and (T2)X isn't an extension.
2353 2006-03-28 Jeff Law <law@redhat.com>
2355 PR tree-optimization/26796
2356 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2357 need EH edge cleanups rather than purging them immediately.
2358 (eliminate_degenerate_phis): Handle queued EH cleanups.
2360 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2362 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2365 2006-03-27 Roger Sayle <roger@eyesopen.com>
2368 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2369 cast BIT_NOT_EXPR operand to the correct type.
2371 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2373 * tree-loop-linear.c: Don't include varray.h.
2374 (gather_interchange_stats, try_interchange_loops,
2375 linear_transform_loops): Use VEC instead of VARRAY.
2376 * lambda-mat.c: Don't include varray.h.
2377 * tree-chrec.c: Same.
2378 * lambda-trans.c: Same.
2379 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2380 VEC instead of VARRAY.
2381 * tree-vectorizer.h: Idem.
2382 * tree-data-ref.c (dump_data_references,
2383 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2384 initialize_data_dependence_relation, finalize_ddr_dependent,
2385 compute_all_dependences, find_data_references_in_loop,
2386 compute_data_dependences_for_loop, analyze_all_data_dependences,
2387 free_dependence_relation, free_dependence_relations,
2388 free_data_refs): Idem.
2389 * tree-data-ref.h (data_reference_p, subscript_p): New.
2390 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2391 VEC instead of VARRAY.
2392 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2393 (find_data_references_in_loop, compute_data_dependences_for_loop,
2394 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2395 dump_data_dependence_relations, free_dependence_relations,
2396 free_data_refs): Adjust declaration.
2397 (lambda_transform_legal_p): Move declaration here...
2398 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2399 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2400 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2401 vect_analyze_data_refs): Use VEC instead of VARRAY.
2402 * lambda.h (lambda_transform_legal_p): ...from here.
2403 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2404 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2405 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2406 tree-chrec.o): Don't depend on VARRAY_H.
2408 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2410 * rtl.def (Copyright): Update date.
2411 (DEPS_LIST): Change type of the second operand to 'int'.
2412 * target.h (Copyright): Update date.
2413 (struct gcc_target.speculate_insn): Change type of the second parameter
2415 * lists.c (Copyright): Update date.
2416 (alloc_DEPS_LIST): Change signature. Update reference to the second
2417 operand of the DEPS_LIST.
2418 (copy_DEPS_LIST_list): Update reference to the second operand of the
2420 * rtl.h (Copyright): Update date.
2421 (alloc_DEPS_LIST): Update signature.
2422 * sched-int.h (Copyright): Update date.
2423 (ds_t): Change typedef to 'int'.
2424 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2426 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2428 * haifa-sched.c (Copyright): Update date.
2429 (try_ready): Change condition to restore non-speculative pattern
2431 (process_insn_depend_be_in_spec): Code to keep probability of the
2432 speculative dependence non-decreasing.
2434 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2436 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2437 shut up the compiler.
2439 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2441 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2442 to use lib prefix for target.
2443 ($(T)libic_invalidate_array_4-200.a): Likewise.
2444 ($(T)libic_invalidate_array_4a.a): Likewise.
2446 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2447 J"orn Rennecke <joern.rennecke@st.com>
2449 * superh.opt: New file.
2450 * sh.c (boardtype, osruntime): Remove.
2451 * superh.h (SUBTARGET_OPTIONS): Remove.
2452 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2454 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2455 arguments with ^ and/or [].
2457 * config.gcc (sh-*-*): Add quoting to account for quirk of
2459 Replace == with = in enable_incomplete_targets test.
2461 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2462 with MASK_LITTLE_ENDIAN.
2464 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2465 * config/sh/sh.opt: Added to some comments.
2466 * config/sh/superh.h: Removed some chaff.
2468 * config/sh/sh.opt: Add m4-[1234]00* options.
2469 * config/sh/sh.c (sh_handle_option): Likewise.
2470 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2471 (ic_invalidate_array_4-100.o): New rule.
2472 ($(T)libic_invalidate_array_4-100.a): Likewise.
2473 (ic_invalidate_array_4-200.o): Likewise.
2474 ($(T)libic_invalidate_array_4-200.a): Likewise.
2475 (ic_invalidate_array_4a.o): Likewise.
2476 ($(T)libic_invalidate_array_4a.a): Likewise.
2477 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2478 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2480 * config/sh/crt1.asm: Merged in profiling code.
2481 * config/sh/superh.h (STARTFILE_SPEC): Override.
2482 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2483 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2484 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2486 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2487 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2488 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2490 * sh.opt (mpretend-cmove): New option.
2491 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2492 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2493 (movsicc): Add TARGET_PRETEND_CMOVE code.
2495 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2497 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2498 s390_class_max_nregs): New function prototypes.
2499 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2500 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2501 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2502 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2504 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2506 * dwarf2out.c (add_location_or_const_value_attribute): Call
2507 tree_add_const_value_attribute if nothing else works.
2508 (reference_to_unused): New.
2509 (rtl_for_decl_init): Use reference_to_unused to decide whether
2510 to output an initializer.
2512 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2515 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2516 peephole removing spe frob_di_df_2.
2518 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2520 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2521 (subscript_dependence_tester_1): Declared.
2522 (print_dir_vectors, print_dist_vectors): New.
2523 (debug_data_dependence_relation): New.
2524 (dump_data_dependence_relation): Print more details.
2525 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2526 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2527 (save_dist_v, save_dir_v, add_outer_distances,
2528 build_classic_dist_vector_1): New.
2529 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2530 Don't test for lambda_vector_lexico_pos.
2531 (same_access_functions, add_multivariate_self_dist,
2532 add_other_self_distances, dir_from_dist): New.
2533 (build_classic_dir_vector): Replace implementation almost identical to
2534 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2536 (subscript_dependence_tester_1): New.
2537 (subscript_dependence_tester): Handle the lexicographically negative
2538 distance vectors by recomputing the dependence relation.
2539 (compute_affine_dependence): Remove parameter loop_nest_depth.
2540 (compute_self_dependence): Don't call compute_subscript_distance.
2541 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2542 Add a parameter for the loop_nest.
2543 (find_loop_nest_1, find_loop_nest): New.
2544 (compute_data_dependences_for_loop): Compute the loop nest, and give
2545 up if the nest is not well formed.
2546 * tree-data-ref.h (loop_p): New.
2547 (struct data_dependence_relation): Replace size_vect field with
2548 loop_nest, a vec of loops.
2549 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2550 (DDR_LOOP_NEST): New.
2551 (print_dir_vectors, print_dist_vectors,
2552 debug_data_dependence_relation): Declared.
2553 (index_in_loop_nest): New.
2554 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2555 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2558 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2560 * simplify-rtx.c (simplify_relational_operation): Call
2561 simplify_relational_operation_1 even if mode is VOIDmode.
2563 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2565 PR tree-optimization/26804
2566 * tree.h (DECL_CALL_CLOBBERED): New macro.
2567 (tree_decl_common): Add call_clobbered_flag.
2568 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2569 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2570 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2571 (mark_non_addressable): Ditto.
2572 * tree-ssa.c (verify_call_clobbered): New function.
2573 (verify_alias_info): Use it.
2574 * tree-pass.h (pass_reset_cc_flags): New prototype.
2575 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2576 (reset_cc_flags): New function.
2577 * passes.c (init_optimization_passes): Call reset_cc_flags after
2578 initializing referenced_vars.
2580 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2581 Roger Sayle <roger@eyesopen.com>
2584 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2585 to 1.0 for non-real operands. Implement A / A optimization for
2588 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2590 * config/i386/i386.c (size_cost): Correct the comment for
2591 cost of storing fp registers.
2592 (i386_cost): Likewise.
2593 (i486_cost): Likewise.
2594 (pentium_cost): Likewise.
2595 (pentiumpro_cost): Likewise.
2596 (k6_cost): Likewise.
2597 (athlon_cost): Likewise.
2598 (k8_cost): Likewise.
2599 (pentium4_cost): Likewise.
2600 (nocona_cost): Likewise.
2601 (generic64_cost): Likewise.
2602 (generic32_cost): Likewise.
2604 2006-03-24 Denis Chertykov <denisc@overta.ru>
2606 * config/avr/avr-protos.h (extra_constraint): Delete.
2607 (extra_constraint_Q): New declaration.
2608 * config/avr/constraints.md: New file.
2609 * config/avr/avr.md: Include it.
2610 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2611 (TMP_REGNO, ZERO_REGNO): Likewise.
2612 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2613 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2614 (extra_constraint): Delete.
2615 (extra_constraint_Q): Test for memory constraint 'Q'.
2616 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2617 (REG_CLASS_FROM_LETTER): Delete.
2618 (CONST_OK_FOR_LETTER_P): Delete.
2619 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2620 (EXTRA_CONSTRAINT): Delete.
2621 (TMP_REGNO): Delete.
2622 (ZERO_REGNO): Delete.
2624 2006-03-24 Jeff Law <law@redhat.com>
2626 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2627 directly. Call mark_new_vars_to_rename slightly earlier.
2629 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2631 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2633 (gen_compile_unit_die): Use new language types for Objective-C and
2635 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2636 DW_LANG_C_plus_plus.
2639 * config/t-darwin (crt3.o): Work around bug 26840.
2640 * config/darwin-crt3.c: Rewrite.
2641 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2643 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2645 * doc/invoke.texi: Document -femit-class-debug-always
2646 * common.opt: Add -femit-class-debug-always.
2648 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2650 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2651 index and base register.
2652 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2653 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2654 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2655 REGNO_OK_FOR_INDEX_P.
2656 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2658 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2659 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2660 REG_OK_FOR_BASE_P): Definitions removed.
2662 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2665 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2666 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2667 set yet or weren't marked as local yet.
2669 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2671 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2674 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2676 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2677 (rs6000_legitimate_small_data_p): Delete.
2678 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2679 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2680 and make static. Add forward declaration. Update uses.
2681 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2682 of offsettable_memref_p.
2683 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2684 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2686 2006-03-24 Jeff Law <law@redhat.com>
2688 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2689 around bug in immediate-use iterator.
2691 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2694 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2695 or __LITTLE_ENDIAN__.
2697 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2699 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2700 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2701 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2702 * config/sh/sh.opt (mdiv=): Amend description.
2703 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2704 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2705 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2706 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2707 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2708 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2709 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2710 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2711 TARGET_DIVIDE_CALL_FP.
2713 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2715 * haifa-sched.c (choose_ready): Fix type of the local variable.
2716 Move local variables. Add comment.
2717 (check_reg_live): Change signature. Make callable from debugger.
2718 * sched-int.h (check_reg_live): Update signature.
2719 * sched-ebb.c (check_reg_live): Update parameters.
2720 * sched-rgn.c (check_reg_live): Ditto.
2721 (region_head_or_leaf_p): Check pointer before dereferencing.
2722 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2723 before reload on optimization levels below 1.
2725 2006-03-23 Richard Henderson <rth@redhat.com>
2727 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2731 * config/alpha/predicates.md (local_symbolic_operand): Reject
2734 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2737 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2738 expressions which have overflowed constants.
2740 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2742 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2744 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2746 * cfgloopmanip.c (create_loop_notes): Removed.
2747 * final.c (final_scan_insn): Do not handle loop notes.
2748 * jump.c (squeeze_notes): Ditto.
2749 * cfglayout.c (skip_insns_after_block,
2750 duplicate_insn_chain): Ditto.
2751 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2753 * cfgloop.h (create_loop_notes): Declaration removed.
2755 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2757 * varasm.c (output_constant_pool): Restore fnname and fndecl
2759 (assemble_start_function): Adjust call accordingly.
2760 (assemble_end_function): Likewise.
2762 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2765 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2768 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2770 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2773 * system.h (ICE_EXIT_CODE): New macro.
2774 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2775 (diagnostic_action_after_output): Likewise.
2776 * gcc.c (fatal_ice): New function.
2777 (execute): Use it instead of fatal.
2778 (fancy_abort): Likewise.
2779 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2781 2006-03-22 Jeff Law <law@redhat.com>
2783 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2784 iv_analyze_result returning false.
2786 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2788 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2790 2006-03-22 Richard Henderson <rth@redhat.com>
2793 * except.c (duplicate_eh_regions_0): New.
2794 (duplicate_eh_region_1): Duplicate the children of the node as
2795 well as the node itself. Link them up properly.
2796 (duplicate_eh_region_2): Merge into ...
2797 (duplicate_eh_regions): ... here. Take copy_region argument, and
2798 copy only a sub-tree if asked. Simplify copying and fixup.
2799 (eh_region_outer_p): New.
2800 * except.h (duplicate_eh_regions): Update decl.
2801 (eh_region_outer_p): Declare.
2802 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2803 (lower_omp_master): Likewise.
2804 (lower_omp_ordered): Likewise.
2805 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2806 (move_stmt_r): Use it to remap labels. Handle recursion vs
2807 remap_decls_p properly.
2808 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2809 (find_outermost_region_in_block): New.
2810 (new_label_mapper): New.
2811 (move_sese_region_to_fn): Copy eh information to the new function
2813 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2815 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2818 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2820 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2821 into shared libraries.
2823 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2825 * doc/md.texi: Refer to i386/constraints.md instead of
2827 * config/i386/constraints.md: New file, extracted from...
2828 * config/i386/predicates.md: ...here.
2829 * config/i386/i386.md: Include constraints.md.
2831 2006-03-21 Jason Merrill <jason@redhat.com>
2833 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2836 * expr.c (init_block_move_fn): Force default visibility.
2837 (init_block_clear_fn): Likewise.
2838 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2839 * targhooks.c (default_external_stack_protect_fail): Likewise.
2841 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2843 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2844 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2845 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2846 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2847 (loadgp): Use mips_current_loadgp_style.
2848 (loadgp_noshared): New pattern.
2849 (sibcall_internal): Use MIPS_CALL.
2850 (sibcall_value_internal): Likewise.
2851 (sibcall_value_multiple_internal): Likewise.
2852 (call_internal): Likewise.
2853 (call_value_internal): Likewise.
2854 (call_value_multiple_internal): Likewise.
2855 (call_split): Use MIPS_CALL and add an 'S' constraint.
2856 (call_value_split): Likewise.
2857 (call_value_multiple_split): Likewise.
2858 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2859 (-mshared): New option.
2860 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2861 (mips_current_loadgp_style): Declare.
2862 * config/mips/mips.c (mips_classify_symbol): Avoid using
2863 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2864 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2865 TARGET_ABSOLUTE_ABICALLS.
2866 (override_options): Adjust comments. Improve the warning that is
2867 issued when -mabicalls and -G are used together.
2868 (mips_file_start): Remove comment.
2869 (mips_current_loadgp_style): New function.
2870 (mips_gnu_local_gp): New variable.
2871 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2873 (mips_output_function_prologue): Use mips_current_laodgp_style.
2874 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2875 the cprestore instruction.
2876 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2877 live for TARGET_ABSOLUTE_ABICALLS.
2878 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2879 (ASM_SPEC): Pass down -mshared and -mno-shared.
2880 (MIPS_CALL): New macro.
2881 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2883 * doc/invoke.texi (-mabicalls): Update documentation.
2884 (-mshared): Document.
2886 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2888 * config/ia64/unwind-hpux.c: New file.
2889 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2891 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2894 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2896 2006-03-21 Jeff Law <law@redhat.com>
2898 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2899 type conversions of a VR_VARYING source to a wider type.
2901 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2903 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2904 tm_file on Solaris 10 and later.
2905 (sparc64-*-solaris2*): Likewise.
2906 (sparc-*-solaris2*): Likewise.
2907 * config/sol26.h: Rename to config/sol2-6.h.
2908 * config/sol2-10.h: New file.
2910 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2913 * tree-ssa-pre.c (create_component_ref_by_pieces):
2916 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2919 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2920 return it immediately.
2922 2006-03-21 Michael Matz <matz@suse.de>
2924 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2926 (remove_arc, add_arc): Update num_out_arcs member.
2927 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2929 (cache_presence): New function.
2930 (compare_states_for_equiv): New function.
2931 (state_is_differed): Don't take number of outargs, adjust callers.
2932 Use new invariant for speeding up.
2933 (init_equiv_class): Create initial classes based on sorted
2935 (partition_equiv_class): Don't track out_arcs_num.
2936 (evaluate_equiv_classes): Call cache_presence on all states and
2939 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2941 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2942 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2943 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2944 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2946 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2947 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2948 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2949 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2950 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2952 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2953 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2954 (REGNO_REG_CLASS): ARGP is in PREGS.
2955 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2957 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2958 to deal with those addresses.
2959 * addresses.h: New file.
2960 * caller-save.c: Include "addresses.h".
2961 (init_caller_save): Use new base_reg_class function.
2962 * rtl-factoring.c: Include "addresses.h".
2963 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2964 * recog.c: Include "addresses.h".
2965 (preprocess_constraints): Use new base_reg_class function.
2966 * regrename.c: Include "addresses.h".
2967 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2968 functions. Keep track of a new var INDEX_CODE to compute valid
2970 (replace_oldest_value_addr): Likewise.
2971 (replace_oldest_value_mem): Use base_reg_class.
2972 * reload.c: Include "addresses.h".
2973 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2974 (find_reloads): Use new base_reg_class function.
2975 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2976 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2977 all callers and prototype changed.
2978 * reload1.c: Include "addresses.h".
2979 (maybe_fix_stack_asms): Use base_reg_class.
2980 * regclass.c: Include "addresses.h".
2981 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2982 (init_reg_autoinc): Use new base_reg_class function.
2983 (record_reg_classes): Likewise.
2984 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2985 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2986 Use new args to compute necessary class.
2988 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2989 regrename.o, rtl-factoring.o): Update dependencies.
2990 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2991 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2992 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2993 REG_OK_FOR_INDEX_P): Delete documentation.
2995 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2997 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2998 from V7 to V9 for Solaris 7 and above.
3000 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3002 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3003 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3004 argument pointers may not alias any other storage.
3005 * common.opt: Define option -fargument-noalias-anything.
3006 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3007 alias semantics is specified by flag_argument_noalias > 2.
3009 2006-03-20 Jeff Law <law@redhat.com>
3011 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3012 (pass_phi_only_cprop): Declare.
3013 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3015 * tree-ssa-dom.c (degenerate_phi_result): New function.
3016 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3017 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3018 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3019 (eliminate_degenerate_phis): Likewise.
3020 (pass_phi_only_cprop): New pass descriptor.
3021 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3022 support code. Callers updated.
3023 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3024 (store_copy_prop): Likewise.
3025 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3027 2006-03-20 Jason Merrill <jason@redhat.com>
3030 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3031 (push_visibility, pop_visibility): Likewise.
3032 * c-pragma.h: Declare them.
3034 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3036 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3038 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3039 parameter and use get_ebb_head_tail.
3040 (sh_md_init_global): Adjust uses of find_regmode_weight.
3042 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3044 * function.h (struct function) <x_tail_recursion_reentry>:
3045 Rename to x_stack_check_probe_note.
3046 (tail_recursion_reentry): Rename to stack_check_probe_note.
3047 * function.c: Replace tail_recursion_reentry with
3048 stack_check_probe_note everywhere.
3049 (expand_function_start): Only emit a note for
3050 stack_check_probe_note with -fstack-protect.
3051 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3053 * emit-rtl.c (remove_unnecessary_notes): Remove.
3054 (pass_remove_unnecessary_notes): Remove.
3055 * rtl.h (remove_unnecessary_notes): Remove prototype.
3056 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3057 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3058 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3060 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3063 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3064 (valid_in_set): Handle ARRAY_REF.
3065 Change "if min_variant or VH" to asserts.
3066 (create_component_ref_by_pieces): Handle ARRAY_REF.
3067 (create_expression_by_pieces): Likewise.
3068 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3070 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3072 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3073 is operand of switch, not str[0].
3075 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3077 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3078 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3080 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3082 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3083 end of insn_extra_address_constraint declaration.
3085 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3087 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3088 (no-sum-in-toc): Same.
3089 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3091 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3092 NO_FP_IN_TOC for -fPIC instead of mask.
3094 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3095 (BOOT_LDFLAGS): Delete.
3097 * config/rs6000/t-aix52: Same.
3099 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3100 (stmsi[345678]_power): New.
3102 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3104 * config/ia64/ia64.opt: Add empty line to end of file.
3106 2006-03-17 Richard Guenther <rguenther@suse.de>
3109 * builtins.c (get_pointer_alignment): For component style references
3110 adjust alignment to the component type alignment. Make sure
3111 to adjust alignment for component access of constants.
3113 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3115 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3118 2006-03-17 Paul Brook <paul@codesourcery.com>
3120 * doc/install.texi: Docuemnt --with-mode.
3121 * config.gcc: Add --with-mode for arm*-*-*.
3122 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3124 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3126 * sh.c (max_labelno_before_reorg): New variable.
3127 (sh_reorg): Initialize it.
3128 (find_barrier): Check max_labelno_before_reorg before using
3129 label_to_alignment. Take length of explicit alignment insns
3130 into account. When seeing a UNSPECV_CONST_END, return it.
3132 * sh.c (fixup_mova): Set mode of affected label to QImode.
3133 (untangle_mova): New function.
3134 (find_barrier): Use it. Check mode of label before decrementing
3136 (sh_reorg): Likewise.
3137 Set mode of all insns back to VOIDmode.
3139 * sh.c (MOVA_LABELREF): New macro.
3140 (mova_p, fixup_mova, sh_reorg): Use it.
3141 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3142 ADDR_DIFF_VEC matches mova.
3144 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3146 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3147 with ATTRIBUTE_UNUSED.
3149 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3151 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3152 pointer, instead of assuming it is possible to derive the
3153 correct args size from a call insn.
3155 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3157 * rtl.h (CONST_INT_P): Define.
3158 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3159 instead of GET_CODE(x) == CONST_INT.
3160 (vax_rtx_costs): Likewise.
3161 (vax_output_int_move): Likewise.
3162 (vax_output_int_add): Likewise.
3163 (legitimate_constant_address_p): Likewise.
3164 (index_term_p): Likewise.
3165 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3166 * config/vax/vax.md (and<mode>3): Likewise.
3167 (ashrsi3): Likewise.
3169 (movstricthi): Likewise.
3170 (movstrictqi): Likewise.
3171 (rotrsi3): Likewise.
3172 (five unnamed insns): Likewise.
3174 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3176 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3177 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3178 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3179 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3180 Pass to ASM_OUTPUT_DWARF_OFFSET.
3181 * dwarf2out.c (debug_frame_section): New.
3182 (output_call_frame_info): Use debug_frame_section. Pass it to
3183 dw2_asm_output_offset.
3184 (output_die): Pass appropriate section to dw2_asm_output_offset.
3185 (output_compilation_unit_header): Likewise.
3186 (output_pubnames): Likewise.
3187 (output_aranges): Likewise.
3188 (enum dw_val_class): Break dw_val_class_lbl_offset into
3189 dw_val_class_lineptr and dw_val_class_macptr.
3190 (add_AT_lbl_offset): Delete.
3191 (add_AT_lineptr): New.
3192 (add_AT_macptr): New.
3193 (AT_lbl): Expect a lineptr or macptr.
3194 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3195 (attr_checksum): Likewise.
3196 (same_dw_val_p): Likewise.
3197 (size_of_die): Likewise.
3198 (value_format): Likewise.
3199 (output_die): Likewise.
3200 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3202 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3203 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3204 * config/darwin-protos.h (darwin_file_start): New.
3205 (darwin_asm_output_dwarf_offset): New.
3206 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3207 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3209 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3210 if not EH section; simplify.
3211 (darwin_file_start): New.
3212 (darwin_asm_output_dwarf_offset): New.
3213 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3215 (DEBUG_INFO_SECTION): Likewise.
3216 (DEBUG_ABBREV_SECTION): Likewise.
3217 (DEBUG_ARANGES_SECTION): Likewise.
3218 (DEBUG_MACINFO_SECTION): Likewise.
3219 (DEBUG_LINE_SECTION): Likewise.
3220 (DEBUG_LOC_SECTION): Likewise.
3221 (DEBUG_PUBNAMES_SECTION): Likewise.
3222 (DEBUG_STR_SECTION): Likewise.
3223 (DEBUG_RANGES_SECTION): Likewise.
3224 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3225 (ASM_OUTPUT_DWARF_OFFSET): New.
3227 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3229 * config.gcc (tm_defines): Always add to previous value rather
3232 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3234 * config/mips/predicates.md (splittable_const_int_operand): New,
3235 split from move_operand.
3236 (splittable_symbolic_operand): New.
3237 (move_operand): Add commentary. Use splittable_const_int_operand.
3238 Inline mips_atomic_symbolic_constant_p.
3239 * config/mips/mips.md: Add combine splitters for handling moves
3240 of splittable_const_int_operands and splittable_symbolic_operands.
3241 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3242 (mips_split_symbol): Declare.
3243 (mips_move_integer): Declare.
3244 * config/mips/mips.c (mips_split_p): Make global.
3245 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3246 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3247 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3248 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3249 (mips_offset_within_object_p): Handle block symbols.
3250 (mips_atomic_symbolic_constant_p): Delete.
3251 (mips_cannot_force_const_mem): Return false for constants that
3252 mips_legitimize_move can handle.
3253 (mips_use_blocks_for_constant_p): New function.
3254 (mips_split_symbol): Make global.
3255 (mips_move_integer): Likewise. Add a temporary register argument.
3256 (mips_legitimize_const_move): Use splittable_const_int_operand and
3257 splittable_symbolic_operand.
3258 (mips_use_anchors_for_symbol_p): New function.
3259 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3260 (mips_split_p): Declare.
3262 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3264 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3265 (mips*-*-linux*): Likewise.
3267 2006-03-16 Roger Sayle <roger@eyesopen.com>
3268 Daniel Speyer <dspeyer@wam.umd.edu>
3271 * tree-dump.c (dump_real): New function.
3272 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3273 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3274 (tree-dump.o): Add $(REAL_H) to the dependencies.
3276 2006-03-16 Roger Sayle <roger@eyesopen.com>
3279 * real.c (real_from_string): If the mantissa is zero, don't bother
3280 parsing the exponent as the result should always be zero.
3282 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3284 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3286 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3288 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3289 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3290 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3291 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3292 ia64_sched_finish_global): New static functions to implement
3293 hooks from gcc_target.sched.
3294 (spec_check_no, max_uid, pending_data_specs): New static variables.
3295 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3296 ia64_spec_check_src_p): New static functions.
3297 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3298 (TARGET_SCHED_ADJUST_COST): Removed.
3299 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3300 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3301 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3302 TARGET_SCHED_GEN_CHECK,
3303 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3304 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3305 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3306 Fixed to handle speculation checks.
3307 (rtx_needs_barrier): Fixed to handle speculative loads and
3309 (ia64_variable_issue): Added code to count speculative loads and their
3311 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3313 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3315 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3317 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3318 (ia64_reorg): Reset stops_p to NULL after it is freed.
3319 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3320 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3321 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3323 (data_speculative, control_speculative, check_load): New attributes.
3324 (mov<mode>_advanced, mov<mode>_speculative,
3325 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3326 zero_extend<mode>di2_speculative,
3327 zero_extend<mode>di2_speculative_advanced): New patterns for
3328 data and control speculative loads.
3329 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3331 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3332 New pattern for data and control speculation checks.
3333 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3334 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3335 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3336 Auxiliary definitions for the patterns.
3337 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3338 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3340 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3342 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3343 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3344 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3345 New resource constraints.
3346 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3348 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3349 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3350 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3351 msched-in-control-spec, msched-ldc, msched-control-ldc,
3352 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3353 msched-prefer-non-control-spec-insns,
3354 msched-count-spec-in-critical-path): New flags to tune speculative
3356 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3357 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3358 msched-in-control-spec, msched-ldc, msched-control-ldc,
3359 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3360 msched-prefer-non-control-spec-insns,
3361 msched-count-spec-in-critical-path): Document new flags.
3363 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3365 * target.h (struct spec_info_def): New opaque declaration.
3366 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3367 speculate_insn, needs_block_p, gen_check,
3368 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3369 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3370 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3371 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3372 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3373 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3375 (TARGET_SCHED): Use new macros.
3376 * rtl.h (copy_DEPS_LIST_list): New prototype.
3377 * sched-int.h (struct sched_info): Change signature of new_ready field,
3378 adjust all initializations. New fields: add_remove_insn,
3379 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3380 region_head_or_leaf_p.
3381 (struct spec_info_def): New structure declaration.
3382 (spec_info_t): New typedef.
3383 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3384 recovery_block, orig_pat.
3385 (glat_start, glat_end): New variables declaraions.
3386 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3388 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3389 DETACH_LIFE_INFO, USE_GLAT.
3390 (enum SPEC_SCHED_FLAGS): New enumeration.
3391 (NOTE_NOTE_BB_P): New macro.
3392 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3393 attach_life_info, debug_spec_status, check_reg_live): New functions.
3394 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3395 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3397 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3398 * ddg.c (get_block_head_tail): Adjust all uses.
3399 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3400 (sms_sched_info): Initialize new fields.
3401 (contributes_to_priority): Removed.
3402 * haifa-sched.c (params.h): New include.
3403 (get_block_head_tail): Adjust all uses.
3404 (ISSUE_POINTS): New macro.
3405 (glat_start, glat_end): New global variables.
3406 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3407 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3408 old_last_basic_block, before_recovery, current_sched_info_var,
3409 rgn_n_insns, luid): New static variables.
3410 (insn_cost1): New function. Move logic from insn_cost to here.
3411 (find_insn_reg_weight1): New function. Move logic from
3412 find_insn_reg_weight to here.
3413 (reemit_notes, move_insn, max_issue): Change signature.
3414 (move_insn1): Removed.
3415 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3416 extend_bb): New static functions to support extension of scheduler's
3418 (generate_recovery_code, process_insn_depend_be_in_spec,
3419 begin_speculative_block, add_to_speculative_block,
3420 init_before_recovery, create_recovery_block, create_check_block_twin,
3421 fix_recovery_deps): New static functions to support
3422 generation of recovery code.
3423 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3424 restore_bb_notes, move_block_after_check, move_succs): New static
3425 functions to support ebb scheduling.
3426 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3427 functions to support handling of register live information.
3428 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3429 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3430 add_jump_dependencies): New static functions.
3431 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3432 consistancy checking.
3433 (debug_spec_status): New function to call from debugger.
3434 (priority): Added code to handle speculation checks.
3435 (rank_for_schedule): Added code to distinguish speculative instructions.
3436 (schedule_insn): Added code to handle speculation checks.
3437 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3438 Fixed to handle ebbs.
3439 (move_insn): Added code to handle ebb scheduling.
3440 (max_issue): Added code to use ISSUE_POINTS of instructions.
3441 (choose_ready): Added code to choose between speculative and
3442 non-speculative instructions.
3443 (schedule_block): Added code to handle ebb scheduling and scheduling of
3444 speculative instructions.
3445 (sched_init): Initialize new variables.
3446 (sched_finish): Free new variables. Print statistics.
3447 (try_ready): Added code to handle speculative instructions.
3448 * lists.c (copy_DEPS_LIST_list): New function.
3449 * sched-deps.c (extend_dependency_caches): New function. Move logic
3450 from create_dependency_caches to here.
3451 (get_dep_weak, ds_merge): Make global.
3452 * genattr.c (main): Code to output prototype for
3453 dfa_clear_single_insn_cache.
3454 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3455 (output_dfa_clean_insn_cache_func): Code to output
3456 dfa_clear_single_insn_cache function.
3457 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3459 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3461 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3462 New static variables.
3463 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3464 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3466 (ebb_sched_info): Initialize new fields.
3467 (get_block_head_tail): Adjust all uses.
3468 (compute_jump_reg_dependencies): Fixed to use glat_start.
3469 (schedule_ebb): Code to remove unreachable last block.
3470 (schedule_ebbs): Added code to update register live information.
3471 * sched-rgn.c (region_sched_info): Initialize new fields.
3472 (get_block_head_tail): Adjust all uses.
3473 (last_was_jump): Removed. Adjust users.
3474 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3475 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3476 Implement new hooks.
3477 (check_dead_notes1): New static function.
3478 (struct region): New fields: dont_calc_deps, has_real_ebb.
3479 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3480 (BB_TO_BLOCK): Fixed to handle EBBs.
3481 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3482 (ebb_head): New static variable.
3483 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3484 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3486 (compute_dom_prob_ps): New assertion.
3487 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3488 global_live_at_start.
3489 (init_ready_list): New assertions.
3490 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3491 (new_ready): Add support for BEGIN_CONTROL speculation.
3492 (schedule_insns): Fixed code that updates register live information
3494 (schedule_region): Fixed to handle EBBs.
3495 (init_regions): Use extend_regions and check_dead_notes1.
3496 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3497 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3498 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3499 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3500 TARGET_SCHED_GEN_CHECK,
3501 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3502 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3503 * doc/invoke.texi (max-sched-insn-conflict-delay,
3504 sched-spec-prob-cutoff): Document.
3506 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3508 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3509 inter_tick, queue_index.
3510 (struct sched_info): Change signature of init_ready_list field.
3511 Adjust all initializations.
3512 (RESOLVED_DEPS): New access macro.
3513 (ready_add): Remove prototype.
3514 (try_ready): Add prototype.
3515 * sched-rgn.c (init_ready_list): Use try_ready.
3516 (schedule_region): Initialize
3517 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3518 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3519 (init_ready_list): Use try_ready.
3520 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3521 * lists.c (remove_list_elem): Remove `static'.
3522 (remove_free_INSN_LIST_elem): New function.
3523 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3524 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3525 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3527 (readyp): New variable.
3528 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3529 change_queue_index, resolve_dep): New static functions.
3530 (try_ready): New function. Adjust callers in sched-rgn.c and
3531 sched-ebb.c to use it instead of ready_add.
3532 (clock_var): Move at the begining of file.
3533 (rank_for_schedule): Fix typo.
3534 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3535 (ready_lastpos): Enforce assertion.
3536 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3538 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3539 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3540 (queue_to_ready): Use free_INSN_LIST_list.
3541 (early_queue_to_ready): Fix typo.
3542 (schedule_block): Init readyp. Move init_ready_list call after the
3543 initialization of clock_var. Fix error in rejecting insn by
3544 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3545 that previously corrected INSN_TICKs. Add code for handling
3547 (set_priorities): Fix typo.
3548 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3549 Clarify comment and code that keeps current_sched_info->next_tail
3552 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3554 * sched-rgn.c (extend_rgns): New static function.
3555 (find_rgns): Use it.
3556 (gather_region_statistics, print_region_statistics): New static
3558 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3559 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3561 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3562 Andrey Belevantsev <abel@ispras.ru>
3564 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3565 * lists.c (unused_deps_list): New variable.
3566 (free_list): Add assertions to verify the proper distinguishing
3567 between INSN_LISTs and DEPS_LISTs.
3568 (find_list_elem, remove_list_elem, remove_list_node): New static
3570 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3571 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3572 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3573 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3575 (free_INSN_LIST_node): Likewise.
3576 * modulo-sched.c (current_sched_info): Initialize flags field.
3577 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3578 * rtl.def (DEPS_LIST): Define.
3579 * rtl.h: Declare new functions from lists.c.
3580 * sched-deps.c (spec_dependency_cache): New static variable.
3581 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3582 (add_dependence): Change return type to void. Move the logic to ...
3583 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3584 (delete_all_dependences): Add comment about forward_dependency_cache.
3585 Handle spec_dependency_cache. Handle DEPS_LISTs.
3586 (fixup_sched_groups): Clarify the change of priority of output
3587 and anti dependencies.
3588 (sched_analyze_2): Adjust add_dependence calls to create data
3589 speculative dependence.
3590 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3591 Adjust all callers. Handle DEPS_LISTS.
3592 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3593 presence of speculation.
3594 (init_dependency_caches, free_dependency_caches):
3595 Handle spec_dependency_cache.
3596 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3597 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3598 New static functions.
3599 (add_or_update_back_dep, add_or_update_back_forw_dep,
3600 add_back_forw_dep, delete_back_forw_dep): New functions.
3601 * sched-int.h (ds_t, dw_t): New typedefs.
3602 (struct sched_info): Add new field flags.
3603 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3604 Prototype new sched-deps.c functions.
3605 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3606 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3607 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3608 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3609 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3610 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3612 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3614 * sched-rgn.c (current_sched_info): Initialize flags field.
3615 (schedule_insns): Initialize current_sched_info before the sched_init
3617 * sched-ebb.c (current_sched_info): Initialize flags field.
3618 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3619 Call add_or_update_back_dep instead of add_dependence.
3620 Create control speculative dependencies.
3621 (schedule_insns): Initialize current_sched_info before the sched_init
3624 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3626 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3628 (sh_fallback_frame_state): Likewise.
3630 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3632 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3633 Do switch on default_use_cxa_atexit.
3634 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3635 * config/darwin-crt3.o: New.
3636 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3637 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3638 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3640 * config/rs6000/t-darwin: Move crt2.o building to here.
3641 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3642 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3645 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3647 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3648 from '! xxx' to '!xxx' for coding-style conformance.
3649 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3650 (EXTRA_CONSTRAINT): Likewise.
3651 * config/vax/vax.md (four unnamed insns): Likewise.
3653 2006-03-15 Paul Brook <paul@codesourcery.com>
3655 * config/arm/arm.c (minipool_pad): New.
3656 (add_minipool_forward_ref): Include pool alignment padding in address
3658 (push_minipool_fix): Set minipool_pad.
3659 (minipool_pad): Ditto.
3661 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3663 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3664 instead of GET_CODE() == MEM and REG_P() instead of
3666 (print_operand_address): Likewise.
3667 (vax_address_cost): Likewise.
3668 (vax_rtx_costs): Likewise.
3669 (vax_notice_update_cc): Likewise.
3670 (vax_output_int_add): Likewise.
3671 (INDEX_REGISTER_P): Likewise.
3672 (BASE_REGISTER_P): Likewise.
3673 (nonindexed_address_p): Likewise.
3674 (vax_mode_dependent_address_p): Likewise.
3675 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3676 (PRINT_OPERAND): Likewise.
3677 * config/vax/vax.md (ashlsi3): Likewise.
3678 (ashlsi3): Likewise.
3679 (some more unnamed insns): Likewise.
3681 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3683 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3684 iterator-style macro.
3685 (mark_control_dependent_edges_necessary): Update the use of
3686 EXECUTE_IF_CONTROL_DEPENDENT.
3688 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3690 * config/sh/predicates.md (cache_address_operand): Special.
3691 (ua_address_operand): Likewise.
3693 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3695 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3697 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3699 2006-03-15 Andreas Schwab <schwab@suse.de>
3701 * gensupport.c (identify_predicable_attribute): Don't free p_false
3702 when it is still in use.
3704 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3706 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3707 the default setting here.
3709 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3711 * tree-pass.h (pass_cfg): Remove.
3712 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3713 * passes.c (pass_cfg): Don't run it.
3715 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3717 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3718 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3720 (stack_regs_mentioned): Update the uses of
3721 stack_regs_mentioned_data. Don't access the array beyond its
3723 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3724 Don't include gt-reg-stack.h.
3726 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3727 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3729 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3732 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3735 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3737 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3739 2006-03-14 Richard Guenther <rguenther@suse.de>
3741 PR tree-optimization/26672
3742 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3745 2006-03-14 Richard Guenther <rguenther@suse.de>
3747 PR tree-optimization/26667
3748 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3749 node for the callees. Always allow inlining if it will shrink
3752 2006-03-14 Richard Guenther <rguenther@suse.de>
3755 * builtins.c (get_pointer_alignment): Prefer alignment
3756 information from decls over that from types.
3758 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3761 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3763 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3765 * config/rs6000/rs6000.opt (mdlmzb): New option.
3766 (msched-prolog, msched-epilog): Use Var not Mask.
3767 * doc/invoke.texi (-mdlmzb): Document.
3768 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3770 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3771 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3773 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3775 PR rtl-optimization/25739
3776 * bt-load.c (augment_live_range): Free tos pointer.
3778 * gensupport.c (identify_predicable_attribute): Free
3780 * gcov.c (create_file_names): Free name pointer.
3782 2006-03-13 Roger Sayle <roger@eyesopen.com>
3785 * stmt.c (emit_case_nodes): Handle the case where the index is a
3786 CONST_INT, where the comparison mode is specified by the index type.
3788 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3790 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3793 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3795 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3796 (*branch_fp_inverted): Likewise.
3798 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3801 * omp-low.c (expand_omp_for_generic): Mark istart0
3802 and iend0 as addressable.
3804 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3806 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3808 2006-03-13 Jeff Law <law@redhat.com>
3810 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3811 virtual operands are interesting.
3812 (vrp_visit_stmt): Corresponding changes.
3814 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3816 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3818 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3819 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3820 * config/bfin/crti.S: Use it instead of __PIC__.
3821 * config/bfin/crtn.S: Likewise.
3823 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3824 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3826 Lose 'G' modifier for call operand.
3827 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3828 recognize 'G' modifier.
3830 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3833 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3834 * stmt.c (expand_case): Likewise.
3836 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3838 PR rtl-optimization/26254
3839 * loop-invariant.c (seq_insns_valid_p): New function.
3840 (move_invariant_reg): Only emit new code if it is valid.
3842 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3844 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3846 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3847 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3848 (commit_one_edge_insertion): Do not look for loop notes.
3850 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3852 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3853 flag_test_coverage out of loop.
3855 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3857 * final.c (shorten_branches): Remove outdated comment, and turn
3858 the if branch that guards it to continue.
3860 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3862 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3863 * cfgloop.h (struct loop): Remove unused fields.
3865 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3867 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3868 (-dL, -fdump-rtl-loop2): Update the dump file names
3870 * doc/invoke.texi: Update dump file names.
3872 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3874 * predict.c (estimate_probability): Remove.
3875 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3876 * basic-block.h (estimate_probability): Remove prototype.
3877 * passes.c (finish_optimization_passes): Dump branch prediction or
3878 profiling heuristics to the .profile tree dump.
3879 (init_optimization_passes): Unqueue pass_branch_prob.
3881 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3883 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3885 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3886 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3888 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3890 * function.h (frame_offset_overflow): Declare.
3891 * function.c (frame_offset_overflow): New function.
3892 (assign_stack_local_1): Call it to detect that the offset overflows.
3893 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3895 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3897 * config/sh/sh.c: Include alloc-pool.h.
3898 (label_ref_list_pool): New alloc pool.
3899 (label_ref_list_t): New type for lists of labels.
3900 (struct pool_node): Make wend a label_ref_list_t.
3901 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3903 (dump_table): Likewise.
3904 (sh_reorg): Set up the alloc pool before using add_constant and
3905 dump_table, and destroy it when finishing.
3907 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3909 * config/mips/mips.c: Remove redundant comment.
3911 2006-03-10 Jason Merrill <jason@redhat.com>
3914 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3915 the target was declared 'register'.
3917 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3919 * genpreds.c (write_insn_constraint_len): Change definition of
3920 insn_constraint_len to return size_t to match the declaration.
3922 2006-03-10 DJ Delorie <dj@redhat.com>
3924 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3926 (m32c_expand_insv): Fix test for an AND mask.
3928 2006-03-10 Richard Guenther <rguenther@suse.de>
3931 * builtins.c (get_pointer_alignment): Handle component
3932 references for field alignment.
3934 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3936 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3937 when building with libgloss.
3938 (sh*elf): Implement --without-fp option.
3939 (sh64-superh-linux*): Don't multilib.
3941 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3943 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3945 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3947 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3948 Set it when one of the replacement functions returned true.
3949 Return TODO_cleanup_cfg if cfgchanged is true.
3950 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3952 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3954 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3955 instead of gen_lowpart.
3957 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3959 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3961 (mips_output_order_conditional_branch): Declare.
3962 * config/mips/mips.h (MIPS_BRANCH): New macro.
3963 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3964 for the comparison. Use gen_condjump.
3965 (mips_output_conditional_branch): Rework interface to take the
3966 asm templates for a direct branch and the inverse of a direct branch.
3967 (mips_output_order_conditional_branch): New function.
3968 (mips_builtin_branch_and_move): New function.
3969 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3970 branch condition. Use gen_single_cc as the condition for
3971 __builtin_mips_upper_* or __builtin_mips_lower_*.
3972 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3973 Use VOIDmode for the branch condition.
3974 * config/mips/predicates.md (order_operator): New predicate.
3975 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3976 (branch_fp): Rename to...
3977 (*branch_fp): ...this. Remove mode from comparison operator.
3978 Use new mips_output_conditional_branch interface.
3979 (branch_fp_inverted): Rename to...
3980 (*branch_fp_inverted): ...this and update as for *branch_fp.
3981 (*branch_zero<mode>): Rename to...
3982 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3983 Use mips_output_order_conditional_branch. Only accept ordered
3985 (*branch_zero<mode>_inverted): Rename to...
3986 (*branch_order<mode>_inverted): ...this and update as for
3987 *branch_order<mode>.
3988 (*branch_equality<mode>): Accept zero as the second operand to
3989 the equality operator. Use the new mips_output_conditional_branch
3991 (*branch_equality<mode>_inverted): Likewise.
3992 (condjump): New expander.
3993 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3995 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3996 (bc1any2t, bc1any2f): Likewise.
3997 (single_cc): New expander.
3998 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4000 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4002 * doc/md.texi: Update documentation of MIPS constraints.
4003 * config/mips/constraints.md: New file.
4004 * config/mips/mips.md: Include it.
4005 * config/mips/mips.c (mips_char_to_class): Delete.
4006 (override_options): Don't initialize mips_char_to_class.
4007 * config/mips/mips.h (mips_char_to_class): Delete.
4008 (REG_CLASS_FROM_LETTER): Delete.
4009 (CONST_OK_FOR_LETTER_P): Delete.
4010 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4011 (EXTRA_CONSTRAINT_Y): Delete.
4012 (EXTRA_CONSTRAINT_STR): Delete.
4013 (CONSTRAINT_LEN): Delete.
4014 (EXTRA_MEMORY_CONSTRAINT): Delete.
4016 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4018 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4019 original fn's eh regions.
4021 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4023 * fold-const.c (build_range_check): Make sure to use a valid type to
4024 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4027 (range_predecessor): New static function.
4028 (range_successor): Likewise.
4029 (merge_ranges): Use them to compute predecessors and successors of
4032 2006-03-09 Roger Sayle <roger@eyesopen.com>
4035 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4036 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4038 2006-03-08 DJ Delorie <dj@redhat.com>
4040 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4041 (addpsi3): Expand to include memory operands. Remove
4042 reload-specific splits.
4043 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4044 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4045 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4046 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4047 (shift1_qi, shift1_hi, insv): New.
4048 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4049 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4050 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4052 * config/m32c/m32c-protos.h: Update as needed.
4053 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4054 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4055 Fail for unrecognized R* constraints.
4056 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4057 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4058 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4060 (m32c_init_libfuncs): New.
4061 (m32c_legitimate_address_p): Add debug wrapper.
4062 (m32c_rtx_costs): New.
4063 (m32c_address_cost): New.
4064 (conversions): Add 'B' prefix.
4065 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4066 operands, or word regnames for QI operands. 'B' prints bit
4068 (m32c_expand_setmemhi): New.
4069 (m32c_expand_movmemhi): New.
4070 (m32c_expand_movstr): New.
4071 (m32c_expand_cmpstr): New.
4072 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4073 (m32c_expand_neg_mulpsi3): Handle non-ints.
4074 (m32c_cmp_flg_0): New.
4075 (m32c_expand_movcc): New.
4076 (m32c_expand_insv): New.
4077 (m32c_scc_pattern): New.
4078 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4079 a0/a1 out of SIregs.
4080 (STORE_FLAG_VALUE): New.
4081 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4084 * config/m32c/mov.md: Make constraints more liberal.
4085 (zero_extendqihi2): Optimize r0/r1 case.
4086 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4087 * config/m32c/predicates.md (m32c_any_operand): New.
4088 (m32c_nonimmediate_operand): New.
4089 (m32c_hl_operand): New.
4090 (m32c_r3_operand): New.
4093 (memsym_operand): New.
4094 (memimmed_operand): New.
4095 (a_qi_operand): New.
4096 (m32c_eqne_operator): New.
4097 (m32c_1bit8_operand): New.
4098 (m32c_1bit16_operand): New.
4099 (m32c_1mask8_operand): New.
4100 (m32c_1mask16_operand): New.
4101 * config/m32c/blkmov.md: New file.
4102 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4104 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4106 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4107 unsigned to fix signed/unsigned comparison issue in
4108 DWARF2_FRAME_REG_OUT.
4109 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4110 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4112 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4113 of ptr into the ENABLE_CHECKING section.
4115 2006-03-08 Jeff Law <law@redhat.com>
4117 * tree-vrp.c (infer_value_range): Only count pointer uses
4118 and dereferences if -fdelete-null-pointer-checks is enabled.
4120 * tree-vrp.c (find_assert_locations): Infer value ranges for
4121 single use pointers, but do not create ASSERT_EXPRs for them.
4122 When a non-null range is inferred for a pointer, backwards
4123 propagate that range to other equivalent pointers through the
4126 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4129 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4130 language hook targets.
4131 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4132 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4133 if language hook targets were missing.
4135 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4137 * tree-ssa-opfinalize.h: Removed.
4138 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4140 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4141 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4142 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4143 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4144 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4145 finalize_ssa_v_must_def_ops): New.
4147 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4149 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4152 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4154 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4156 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4157 addresses with offsets; reorganize.
4159 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4160 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4161 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4163 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4166 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4168 2006-03-08 Ben Elliston <bje@au.ibm.com>
4170 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4172 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4175 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4178 2006-03-07 Richard Guenther <rguenther@suse.de>
4180 PR tree-optimization/26587
4181 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4183 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4185 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4187 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4189 * hooks.c (hook_bool_mode_rtx_true): New function.
4190 * hooks.h (hook_bool_mode_rtx_true): Declare.
4191 * toplev.c (compile_file): Call output_shared_constant_pool.
4192 * varasm.c (shared_constant_pool): New variable.
4193 (assemble_start_function, assemble_end_function): Remove arguments
4194 from call to output_constant_pool.
4195 (create_constant_pool): New function, split out from...
4196 (init_varasm_status): ...here.
4197 (force_const_mem): Choose between the shared and per-function constant
4198 pools. Set current_function_uses_const_pool when reusing old entries
4199 as well as when creating new ones.
4200 (mark_constant): Ignore data argument.
4201 (mark_constants): Remove pool argument.
4202 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4203 to decide whether the function uses a constant pool.
4204 (output_constant_pool_contents): New function, split out from...
4205 (output_constant_pool): ...here.
4206 (output_shared_constant_pool): New function.
4207 (init_varasm_once): Initialize shared_constant_pool.
4208 * output.h (output_constant_pool): Delete.
4209 (output_shared_constant_pool): Declare.
4210 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4211 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4213 2006-03-06 Nick Clifton <nickc@redhat.com>
4215 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4216 flag_strength_reduce.
4218 2006-03-06 Ben Elliston <bje@au.ibm.com>
4220 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4221 x86_64-*-linux* configurations.
4223 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4224 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4226 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4228 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4230 * basic-block.h: Remove the extern for
4231 rediscover_loops_after_threading.
4233 * cfgloop.c (cancel_loop): Make it static.
4234 * cfgloop.h: Remove the prototype for cancel_loop.
4236 * flow.c (recompute_reg_usage): Make it static.
4237 * rtl.h: Remove the prototype for recompute_reg_usage.
4239 * function.c (use_return_register): Make it static.
4240 * function.h: Remove the prototype.
4242 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4244 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4246 * recog.h: Remove the prototype for
4247 validate_change_maybe_volatile.
4249 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4251 * rtlanal.c (replace_reg): Remove.
4252 * rtl.h: Remove the prototype for replace_reg.
4254 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4256 * regclass.c (reg_scan_update): Remove.
4257 (reg_scan_mark_refs): Remove the last argument.
4258 * rtl.h: Remove the prototype for reg_scan_update.
4260 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4262 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4263 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4264 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4265 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4266 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4267 loop-invariant.c, omp-low.c, opts.c, passes.c,
4268 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4269 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4270 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4271 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4272 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4273 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4275 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4277 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4278 * dwarf2out.h: Remove the prototype for
4279 dwarf2out_add_library_unit_info.
4281 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4283 * tree.c (add_var_to_bind_expr): Remove.
4284 * tree.h: Remove the prototype for add_var_to_bind_expr.
4286 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4288 * regclass.c (n_non_fixed_regs): Remove.
4289 (init_reg_sets_1, globalize_reg): Remove all uses of
4291 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4293 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4295 * rtlanal.c (insns_safe_to_move_p): Remove.
4296 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4298 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4300 * expmed.c (expand_mult_add): Remove.
4301 * expr.h: Remove the prototype for expand_mult_add.
4303 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4305 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4306 and REG_SAVED_VAL_EXP constants.
4307 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4308 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4309 Handle regs stored by value.
4310 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4311 (execute_cfa_program): Handle DW_CFA_val_offset,
4312 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4313 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4314 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4315 (uw_install_context_1): Handle target regs stored by value.
4317 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4319 * tree-sra.c (tree_sra): Return todoflags;
4320 (generate_one_element): Set TODO_update_smt_usage if needed.
4321 (pass_sra): Remove TODO_update_smt_usage.
4322 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4324 (tree_ssa_forward_propagate_single_use_vars): Return
4325 TODO_update_smt_usage if we need to update SMT usage.
4326 (pass_forwprop): Remove TODO_update_smt_usage.
4328 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4330 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4331 (correct_use_link): Remove reference to get_stmt_operands.
4332 (update_stmt_operands): Likewise.
4333 (get_modify_expr_operands): New function factored out of
4334 parse_ssa_operands and get_expr_operands.
4335 Try to create V_MUST_DEFs for LHS by default.
4336 (get_expr_operands) <case MODIFY_EXPR>: Call
4337 get_modify_expr_operands.
4338 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4339 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4340 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4341 get_modify_expr_operands.
4343 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4345 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4346 * tree-flow.h: Remove the prototype for
4347 referenced_var_lookup_if_exists.
4349 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4351 PR rtl-optimization/26345
4353 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4355 2006-03-03 Roger Sayle <roger@eyesopen.com>
4357 PR tree-optimization/26524
4358 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4359 fold_convert to create a constant of the appropriate type.
4361 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4363 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4364 SYMBOL_REF_IN_BLOCK_P.
4365 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4366 of SYMBOL_FLAG_IN_BLOCK.
4367 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4368 instead of SYMBOL_REF_IN_BLOCK_P.
4369 * explow.c (use_anchored_address): Likewise.
4370 * rtl.c (rtx_size): Likewise.
4371 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4372 instead of SYMBOL_FLAG_IN_BLOCK.
4373 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4374 SYMBOL_REF_IN_BLOCK_P.
4375 (assemble_variable): Likewise.
4376 (output_constant_def_contents): Likewise.
4377 (output_constant_pool): Likewise.
4378 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4379 instead of SYMBOL_FLAG_IN_BLOCK.
4380 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4381 SYMBOL_REF_IN_BLOCK_P.
4382 (SYMBOL_REF_BLOCK): Likewise.
4383 (SYMBOL_REF_OFFSET): Likewise.
4384 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4385 SYMBOL_REF_IN_BLOCK_P.
4386 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4387 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4388 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4389 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4391 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4393 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4395 2006-03-02 Roger Sayle <roger@eyesopen.com>
4397 * simplify-rtx.c (simplify_unary_operation): When simplifying
4398 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4399 that we perform the right shift in the appropriate mode, and
4400 then extend or truncate the result to requested mode.
4402 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4404 * gengtype.c (main): Handle double_int type.
4405 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4406 * double-int.c: New file.
4407 * double-int.h: New file.
4408 * system.h: Include doubleint.h.
4409 * Makefile.in (SYSTEM_H): Include double-int.h.
4410 (double-int.o): Add.
4412 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4415 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4418 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4420 * tree-vrp.c (remove_range_assertions): Do not update statements
4423 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4425 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4427 * gcse.c (rest_of_handle_gcse): Ditto.
4428 * except.c (gate_handle_eh): Ditto.
4429 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4430 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4432 2006-03-02 Eric Christopher <echristo@apple.com>
4434 * config/i386/i386.c (machopic_output_stub): Add indirection to
4437 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4441 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4443 Sun Niagara specific optimizations.
4444 * config.gcc: Recognize niagara as target.
4445 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4446 (TARGET_CPU_niagara): Define.
4447 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4448 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4449 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4450 (ASM_CPU_SPEC): Likewise.
4451 (PROCESSOR_NIAGARA): New enum entry.
4452 (REGISTER_MOVE_COST): Handle Niagara.
4453 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4454 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4455 (sparc_override_options): Recognize "niagara", set appropriate
4456 default MASK_* values for it, and align functions to 32-bytes
4457 by default just like ULTRASPARC/ULTRASPARC3.
4458 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4459 (sparc64_initialize_trampoline): Likewise.
4460 (sparc_use_sched_lookahead): Use zero for niagara.
4461 (sparc_issue_rate): Use one for niagara.
4462 * config/sparc/niagara.md: New file.
4463 * config/sparc/sparc.md: Include it.
4464 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4465 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4466 when default cpu is niagara.
4467 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4468 (ASM_CPU_SPEC): Likewise.
4469 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4470 when default cpu is niagara.
4471 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4472 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4473 just like v9/ultrasparc/ultrasparc3.
4474 * doc/invoke.texi: Add documentation for "niagara" and improve
4475 existing documentation for ultrasparc variants.
4477 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4479 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4481 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4483 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4484 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4485 and say that only one is needed.
4486 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4487 * target.h (have_switchable_bss_sections): New hook.
4488 * explow.c (use_anchored_address): Check that the symbol is in a block.
4489 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4490 (bss_noswitch_section): New variables.
4491 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4492 (get_noswitch_section): New function.
4493 (get_block_for_section): Allow SECT to be null.
4494 (unlikely_text_section_p): Use SECTION_STYLE.
4495 (bss_initializer_p): New function.
4496 (get_variable_section): Move earlier in file. Take a new argument,
4497 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4498 Return one of the new *_sections in such cases.
4499 (get_block_for_decl): New function, extracting some logic from
4500 use_blocks_for_decl_p.
4501 (change_symbol_section): Remove in favor of...
4502 (change_symbol_block): ...this new function.
4503 (use_blocks_for_decl_p): Remove checks now performed by
4505 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4506 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4507 (emit_local, emit_bss, emit_common): ...these new functions.
4508 Return true if the alignment was honored.
4509 (emit_tls_common): New function.
4510 (asm_emit_uninitialised): Delete.
4511 (assemble_variable_noswitch): New function, split out from...
4512 (assemble_variable): ...here. Don't make decisions about common
4513 variables here. Globalize all public decls that go into non-common
4514 sections. Check whether SYMBOL_REF_BLOCK is null.
4515 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4516 (output_constant_pool): Likewise.
4517 (init_varasm_once): Initialize the new section variables.
4518 (have_global_bss_p): New function.
4519 (categorize_decl_for_section): Use bss_initializer_p.
4520 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4521 (place_block_symbol): Assert that the symbol must be in a block.
4522 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4523 (TARGET_INITIALIZER): Include it.
4524 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4525 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4526 (SECTION_MACH_DEP): Bump by two.
4527 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4528 (unnamed_section): Mention SECTION_UNNAMED in comment.
4529 (named_section): Likewise SECTION_NAMED.
4530 (noswitch_section_callback): New type.
4531 (noswitch_section): New structure.
4532 (section): Add a noswitch_section alternative.
4533 (SECTION_STYLE): New macro.
4534 (tls_comm_section, comm_section, lcomm_section): Declare.
4535 (bss_noswitch_section, have_global_bss_p): Declare.
4536 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4537 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4539 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4540 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4543 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4545 * gcc/tree-vrp.c (execute_vrp): Return value.
4546 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4547 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4548 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4549 (tree_lower_complex_O0): Ditto.
4550 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4551 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4552 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4553 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4554 (execute_tail_calls): Ditto.
4555 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4556 * gcc/tree.h (init_function_for_compilation): Ditto.
4557 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4558 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4559 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4560 * gcc/final.c (compute_alignments): Ditto.
4561 (rest_of_handle_final): Ditto.
4562 (rest_of_handle_shorten_branches): Ditto.
4563 (rest_of_clean_state): Ditto.
4564 * gcc/omp-low.c (execute_expand_omp): Ditto.
4565 (execute_lower_omp): Ditto.
4566 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4567 * gcc/ipa-reference.c (static_execute): Ditto.
4568 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4569 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4570 (rest_of_handle_machine_reorg): Ditto.
4571 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4572 * gcc/flow.c (recompute_reg_usage): Ditto.
4573 (rest_of_handle_remove_death_notes): Ditto.
4574 (rest_of_handle_life): Ditto.
4575 (rest_of_handle_flow2): Ditto.
4576 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4577 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4578 (do_ssa_store_ccp): Ditto.
4579 (execute_fold_all_builtins): Ditto.
4580 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4581 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4582 * gcc/ipa-pure-const.c (static_execute): Ditto.
4583 * gcc/cse.c (rest_of_handle_cse): Ditto.
4584 (rest_of_handle_cse2): Ditto.
4585 * gcc/web.c (rest_of_handle_web): Ditto.
4586 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4587 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4588 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4589 * gcc/tree-nrv.c (tree_nrv): Ditto.
4590 (execute_return_slot_opt): Ditto.
4591 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4592 (create_structure_vars): Ditto.
4593 * gcc/loop-init.c (rtl_loop_init): Ditto.
4594 (rtl_loop_done): Ditto.
4595 (rtl_move_loop_invariants): Ditto.
4596 (rtl_unswitch): Ditto.
4597 (rtl_unroll_and_peel_loops): Ditto.
4598 (rtl_doloop): Ditto.
4599 * gcc/gimple-low.c (lower_function_body): Ditto.
4600 (mark_used_blocks): Ditto.
4601 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4602 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4603 (cgraph_early_inlining): Ditto.
4604 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4605 * gcc/jump.c (cleanup_barriers): Ditto.
4606 (purge_line_number_notes): Ditto.
4607 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4608 (rest_of_handle_if_after_reload): Ditto.
4609 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4610 (tree_ssa_loop_im): Ditto.
4611 (tree_ssa_loop_unswitch): Ditto.
4612 (tree_vectorize): Ditto.
4613 (tree_linear_transform): Ditto.
4614 (tree_ssa_loop_ivcanon): Ditto.
4615 (tree_ssa_empty_loop): Ditto.
4616 (tree_ssa_loop_bounds): Ditto.
4617 (tree_complete_unroll): Ditto.
4618 (tree_ssa_loop_prefetch): Ditto.
4619 (tree_ssa_loop_ivopts): Ditto.
4620 (tree_ssa_loop_done): Ditto.
4621 * gcc/predict.c (tree_estimate_probability): Ditto.
4622 * gcc/recog.c (split_all_insns_noflow): Ditto.
4623 (rest_of_handle_peephole2): Ditto.
4624 (rest_of_handle_split_all_insns): Ditto.
4625 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4626 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4627 (rest_of_handle_stack_adjustments): Ditto.
4628 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4629 * gcc/function.c (instantiate_virtual_regs): Ditto.
4630 (init_function_for_compilation): Ditto.
4631 (rest_of_handle_check_leaf_regs): Ditto.
4632 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4633 (rest_of_handle_gcse): Ditto.
4634 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4635 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4636 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4637 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4638 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4639 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4640 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4641 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4642 * gcc/except.c (set_nothrow_function_flags): Ditto.
4643 (convert_to_eh_region_ranges): Ditto.
4644 (rest_of_handle_eh): Ditto.
4645 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4646 (remove_unnecessary_notes): Ditto.
4647 * gcc/except.h (set_nothrow_function_flags): Ditto.
4648 (convert_to_eh_region_ranges): Ditto.
4649 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4650 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4651 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4652 (execute_fre): Ditto.
4653 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4654 (rest_of_handle_jump2): Ditto.
4655 * gcc/tree-sra.c (tree_sra): Ditto.
4656 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4657 (execute_mudflap_function_decls): Ditto.
4658 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4659 (do_store_copy_prop): Ditto.
4660 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4661 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4662 * gcc/tree-ssa-forwprop.c
4663 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4664 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4665 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4666 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4667 (execute_late_warn_uninitialized): Ditto.
4668 * gcc/rtl.h (cleanup_barriers): Ditto.
4669 (split_all_insns_noflow): Ditto.
4670 (purge_line_number_notes): Ditto.
4671 (unshare_all_rtl): Ditto.
4672 (remove_unnecessary_notes): Ditto.
4673 (recompute_reg_usage): Ditto.
4674 (variable_tracking_main): Ditto.
4675 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4676 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4677 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4678 (execute_free_cfg_annotations): Ditto.
4679 (execute_fixup_cfg): Ditto.
4680 (execute_cleanup_cfg_pre_ipa): Ditto.
4681 (execute_cleanup_cfg_post_optimizing): Ditto.
4682 (execute_init_datastructures): Ditto.
4683 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4684 * gcc/combine.c (rest_of_handle_combine): Ditto.
4685 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4686 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4687 (rest_of_handle_reorder_blocks): Ditto.
4688 (rest_of_handle_partition_blocks): Ditto.
4689 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4690 * gcc/tree-profile.c (tree_profiling): Ditto.
4691 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4692 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4693 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4694 (rest_of_handle_sched2): Ditto.
4695 * gcc/basic-block.h (free_bb_insn): Ditto.
4696 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4697 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4698 (remove_useless_stmts): Ditto.
4699 (split_critical_edges): Ditto.
4700 (execute_warn_function_return): Ditto.
4701 (execute_warn_function_noreturn): Ditto.
4702 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4703 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4704 * gcc/passes.c (execute_one_pass): Run additional
4705 todos returned by execute function.
4706 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4709 2006-03-02 Richard Guenther <rguenther@suse.de>
4711 * tree-ssa-alias.c (find_used_portions): Consider taking
4712 the address as making the variable not write-only.
4714 2006-03-02 Nick Clifton <nickc@redhat.com>
4716 * config.gcc (default_use_cxa_atexit): Extend the description of
4717 this configure variable. Set its default value to "yes" for
4718 Linux, NetBSD and ELF targets on the assumption that they will
4719 use C libraries with the __cxa_atexit function.
4721 2006-03-02 Ben Elliston <bje@au.ibm.com>
4723 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4724 parameter as unused to suppress a build warning.
4726 2006-03-02 Ben Elliston <bje@au.ibm.com>
4728 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4731 2006-03-01 Roger Sayle <roger@eyesopen.com>
4734 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4735 declared name, the weak reference name, and the typeof name.
4736 (__gthrw): Avoid expanding the declared name suffix.
4737 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4739 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4741 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4743 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4744 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4745 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4746 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4747 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4748 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4749 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4750 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4751 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4752 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4753 (DW_END_default, DW_END_big, DW_END_little): New.
4754 (DW_END_lo_user, DW_END_hi_user): Define.
4755 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4756 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4757 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4760 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4762 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4764 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4766 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4768 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4770 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4771 to 'symbol_mem_tag'.
4773 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4776 2006-03-01 Roger Sayle <roger@eyesopen.com>
4778 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4780 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4783 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4784 MACHO_DYNAMIC_NO_PIC_P.
4785 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4787 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4790 * config/darwin-protos.h (darwin_asm_output_anchor):
4792 * config/darwin-sections.def (cstring_section):
4793 Add SECTION_MERGE to the flags.
4794 (literal4_section): Likewise.
4795 (literal8_section): Likewise.
4796 (objc_selector_refs_section): Likewise.
4797 (objc_cls_refs_section): Likewise.
4798 * config/darwin.c (darwin_asm_output_anchor): New
4800 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4802 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4804 Fix PR tree-optimization/26443
4805 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4806 to todo and PROP_tmt_usage to properties_destroyed.
4807 * tree-ssa-ccp.c (pass_ccp): Ditto.
4808 (pass_store_ccp): Ditto.
4809 * tree-ssa-dom.c (pass_dominator): Ditto.
4811 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4813 * tree-ssa-operands.c: Cleanup whitespace.
4814 (get_asm_expr_operands): Move before first invocation.
4815 (get_indirect_ref_operands): Likewise.
4816 (get_tmr_operands): Likewise.
4817 (get_call_expr_operands): Likewise.
4818 (append_def): Likewise.
4819 (append_use): Likewise.
4820 (append_v_may_def): Likewise.
4821 (append_v_must_def): Likewise.
4822 (add_call_clobber_ops): Likewise.
4823 (add_call_read_ops): Likewise.
4824 (add_stmt_operand): Likewise.
4825 (add_virtual_operand): Likewise.
4826 (build_ssa_operands): Likewise.
4828 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4833 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4834 with a call expr to ...
4835 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4837 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4839 * tree-vrp.c (extract_range_from_assert): Remove special
4840 handling for types with super-types.
4842 2006-03-01 Ben Elliston <bje@au.ibm.com>
4844 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4845 and powerpc64-*-linux* configurations.
4846 * config/t-dfprules: New file.
4848 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4849 Compile dfp-bit.c from the source directory using -DWIDTH and
4850 $DFP_CFLAGS to control the compilation of that file, rather than
4851 generating width-specific versions in the build directory.
4852 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4853 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4855 2006-02-28 Zack Weinberg <zackw@panix.com>
4857 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4860 2006-02-28 Eric Christopher <echristo@apple.com>
4862 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4863 Set up IN_LIBGCC definition of TARGET_64BIT.
4864 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4866 2006-02-28 Roger Sayle <roger@eyesopen.com>
4869 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4870 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4871 cases via the construction of "expr != 0".
4873 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4875 * alias.c (alias_invariant, alias_invariant_size): Remove.
4876 (record_base_value): Remove.
4877 (memrefs_conflict_p): Don't look at alias_invariant.
4878 (end_alias_analysis): Don't free it.
4879 * alias.h (record_base_value): Remove prototype.
4881 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4882 Adam Nemet <anemet@caviumnetworks.com>
4884 * rtl.h (truncated_to_mode): Declare it.
4885 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4886 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4887 (RTL_HOOKS_INITIALIZER): Include it.
4888 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4889 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4890 reg_truncated_to_mode.
4891 * rtlanal.c (truncated_to_mode): Define it.
4892 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4894 2006-02-28 Jeff Law <law@redhat.com>
4896 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4897 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4898 the range allowed by TYPE_PRECISION.
4900 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4902 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4904 PR tree-optimization/26419
4905 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4908 2006-02-27 Zack Weinberg <zackw@panix.com>
4910 * doc/md.texi: Fix typo in previous change.
4912 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4916 2006-02-27 Zack Weinberg <zackw@panix.com>
4918 * rtl.def (define_constraint, define_register_constraint)
4919 (define_memory_constraint, define_address_constraint): New MD forms.
4920 * gensupport.c (process_rtx): Put define_constraint etc on the
4922 * genpreds.c (process_define_predicate): Adjust comment. Validate
4923 the name, and call validate_exp to validate the expression.
4924 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4925 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4926 all callers changed.
4927 (validate_exp, needs_variable, struct constraint_data)
4928 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4929 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4930 (const_dbl_constraints, constraint_max_namelen)
4931 (have_register_constraints, have_memory_constraints)
4932 (have_address_constraints, have_address_constraints)
4933 (have_extra_constraints, have_const_int_constraints)
4934 (have_const_dbl_constraints, mangle, add_constraint)
4935 (process_define_constraint, process_define_register_constraint)
4936 (write_enum_constraint_num, write_lookup_constraint)
4937 (write_insn_constraint_len, write_regclass_for_constraint)
4938 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4939 (write_insn_extra_memory_constraint)
4940 (write_insn_extra_address_constraint)
4941 (write_satisfies_constraint_fns): New.
4942 (write_tm_preds_h): If we have new-style constraint definitions,
4943 prototype the functions generated from them, and define the
4944 old constraint interface (still used by generic code) in terms of
4946 (write_insn_preds_c): If we have new-style constraint definitions,
4947 generate all relevant functions from those definitions.
4948 (main): Handle define_constraint etc.
4949 * genoutput.c (struct constraint_data, indep_constraints)
4950 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4951 (mdep_constraint_len): New data structures and functions, defined
4952 #ifdef USE_MD_CONSTRAINTS.
4953 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4954 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4955 use new logic to validate operand constraints against constraint
4957 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4959 * defaults.h: If none of the old-style constraint macros are
4960 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4961 old-style macros; and poison REG_CLASS_FROM_LETTER,
4962 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4964 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4965 * doc/md.texi: Document new constraint-definition mechanism and the
4966 C interface it provides. Remove references to old mechanism
4967 elsewhere in the document.
4968 (Machine Constraints): Use pathnames relative to gcc directory,
4969 i.e. config/ARCH/FILE. Change i386 section to refer to
4970 config/i386/predicates.md; update that section to match docstrings.
4971 * doc/tm.texi: Move all documentation of the old constraint-
4972 definition macros to their own section, clearly mark as obsolete.
4974 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4975 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4977 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4978 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4979 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4981 (splits and peepholes): Use satisfies_constraint_*.
4982 * config/i386/i386.c (memory_address_length)
4983 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4985 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4987 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4988 scalar operation to be put back into the loop.
4990 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4993 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4994 (extract_cie_info): Handle S flag in augmentation string.
4995 (execute_cfa_program): If context->signal_frame, execute also
4996 fs->pc == context->ra instructions.
4997 (uw_frame_state_for): If context->signal_frame, don't subtract one
4998 from context->ra to find FDE.
4999 (uw_update_context_1): Set context->signal_frame to
5001 (_Unwind_GetIPInfo): New function.
5002 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5003 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5005 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5006 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5007 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5008 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5009 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5010 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5011 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5012 x86_64_fallback_frame_state): Set fs->signal_frame.
5013 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5014 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5015 (frob_update_context): Likewise. Workaround missing S flag in
5016 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5017 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5018 Remove the psw_addr + 1 hack.
5020 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5022 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5023 with aggregates here.
5024 (find_func_aliases): Remove code for &<aggregate> from here.
5026 2006-02-26 Roger Sayle <roger@eyesopen.com>
5028 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5029 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5030 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5033 2006-02-26 Roger Sayle <roger@eyesopen.com>
5036 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5038 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5040 * opts.c (decode_options): Do not handle flag_strength_reduce.
5041 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5042 and OPT_fstrength_reduce.
5043 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5044 flag_prefetch_loop_arrays for being nonzero.
5045 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5047 (fprefetch-loop-arrays-rtl): Removed.
5048 (flag_prefetch_loop_arrays): Do not specify the value.
5050 * doc/passes.texi: Update documentation of loop optimizer
5052 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5053 -frerun-loop-opt): Remove.
5055 2006-02-26 Richard Guenther <rguenther@suse.de>
5057 PR tree-optimization/26421
5058 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5059 in function calls that are ADDR_EXPRs as using the whole structure.
5061 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5063 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5064 * tree-pass.h (pass_loop_optimize): Remove.
5065 * passes.c (pass_loop_optimize): Never run it.
5066 * toplev.c (backend_init): Don't call init_loop.
5067 * opts.c (flag_loop_optimize_set): Remove.
5068 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5069 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5070 the old RTL loop optimizer when profiling enabled.
5071 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5072 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5073 pre-headers for the sake of the old RTL loop optimizer.
5074 * Makefile.in: Remove all references to loop.o.
5076 * doc/invoke.texi: Remove all references to -floop-optimize
5077 and -frerun-loop-opt.
5079 2006-02-26 Zack Weinberg <zackw@panix.com>
5081 * doc/md.texi (Machine Constraints): Refer to all files with paths
5082 relative to gcc directory (i.e. config/CPU/file). Add missing
5083 @table @code ... @end table to M32C subsection.
5085 2006-02-26 Roger Sayle <roger@eyesopen.com>
5087 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5089 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5091 2006-02-26 Roger Sayle <roger@eyesopen.com>
5092 James A. Morrison <phython@gcc.gnu.org>
5095 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5096 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5097 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5098 signedness of the shift operation.
5100 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5102 PR tree-optimization/26359
5103 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5105 2006-02-25 Roger Sayle <roger@eyesopen.com>
5107 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5108 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5109 as X == 0, and some symmetry related transformations.
5110 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5112 2006-02-25 Roger Sayle <roger@eyesopen.com>
5115 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5116 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5117 symmetry related transformations. Fold (X^C1) == C2 as
5120 2006-02-25 Juergen Weigert <jw@suse.de>
5121 Richard Guenther <rguenther@suse.de>
5123 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5125 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5127 * combine.c (gen_lowpart_or_truncate): Call
5128 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5130 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5132 * doc/invoke.texi: Move -fopenmp description to "Options for
5134 Remove reference to -lgomp.
5136 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5138 * doc/install.texi: Require GNU tar version 1.14.
5140 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5142 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5143 * doc/invoke.texi (C++ Dialect Options): Document
5144 -fno-use-cxa-get-exception-ptr.
5145 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5146 * configure: Regenerate.
5147 * c.opt (fuse-cxa-get-exception-ptr): New.
5148 * c-opts.c (c_common_handle_option): Handle
5149 OPT_fuse_cxa_get_exception_ptr.
5150 * c-common.c (flag_use_cxa_atexit): Update documentation.
5151 (flag_use_cxa_get_exception_ptr): New.
5152 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5153 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5155 (C_COMMON_OVERRIDE_OPTIONS): New.
5157 2006-02-24 Roger Sayle <roger@eyesopen.com>
5160 * combine.c (try_combine): Explicitly check whether GET_CODE is
5161 a SET or a CLOBBER, instead on checking that it isn't a USE.
5163 2006-02-24 Roger Sayle <roger@eyesopen.com>
5165 * fold-const.c (fold_comparison): New subroutine of fold_binary
5166 containing transformations common to both the equality and
5167 ordering relational operators, factored out of fold_binary.
5168 (fold_binary): Separate out the equality operators (EQ_EXPR
5169 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5170 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5171 transformations common to both.
5172 (fold_div_compare): Fix latent bugs in the previously unreachable
5173 LT_EXPR and GE_EXPR cases.
5175 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5177 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5178 decl libname for clog to __clog on AIX.
5180 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5182 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5185 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5186 output traceback table for thunks. Localise rs6000_stack_info call.
5188 2006-02-23 Roger Sayle <roger@eyesopen.com>
5189 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5191 * gthr-posix.h (__gthrw): Fix typo in comment.
5193 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5195 * doc/cpp.texi (Character sets): Document that we do support
5196 input files to be in any character set.
5198 2006-02-23 Jeff Law <law@redhat.com>
5200 * tree.h (PHI_ARG_NONZERO): Remove.
5201 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5202 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5203 node to the new node.
5205 PR tree-optimization/26425
5206 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5207 min/max, then assume its varying.
5209 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5211 PR rtl-optimization/26316
5212 * rtlanal.c (enum may_trap_p_flags): New.
5213 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5214 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5215 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5216 (may_trap_after_code_motion_p): New function.
5217 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5218 (find_invariant_insn): Use may_trap_after_code_motion_p.
5219 * rtl.h (may_trap_after_code_motion_p): Declare.
5221 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5223 * emit-rtl.c (immed_double_const): Cleanup.
5225 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5227 Fix PR tree-optimization/26376
5228 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5231 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5234 * gimplify.c (omp_add_variable): Guard variable size decl test with
5235 DECL_SIZE (decl) check.
5237 2006-02-23 Richard Guenther <rguenther@suse.de>
5240 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5241 like aggregate types.
5243 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5245 * configure.ac: Add --with{,out}-long-double-128 configure option.
5246 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5247 * configure: Rebuilt.
5248 * config.in: Rebuilt.
5249 * doc/install.texi (Options specification): Document
5250 --with-long-double-128.
5252 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5253 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5254 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5255 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5257 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5259 * config/s390/s390.c (override_options): Handle
5260 TARGET_DEFAULT_LONG_DOUBLE_128.
5262 * config/alpha/alpha.c (override_options): Handle
5263 TARGET_DEFAULT_LONG_DOUBLE_128.
5265 * config/sparc/sparc.c (sparc_override_options): Handle
5266 TARGET_DEFAULT_LONG_DOUBLE_128.
5268 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5270 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5271 (real-install-headers-tar, real-install-headers-cpio)
5272 (real-install-headers-cp): New targets.
5274 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5276 * tree.h (variable_section): Delete.
5277 * varasm.c (variable_section): Delete.
5279 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5281 * install.texi: Add notes on install.texi2html.
5282 (Building in parallel): Do not use footnotes.
5284 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5287 * doc/install.texi (Configuration): Document --disable-libgomp.
5289 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5291 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5293 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5295 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5296 (vec_extractv2df_0_sse): New.
5298 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5300 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5301 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5302 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5303 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5304 to the result of the expression.
5305 (def_cfa_1): Adjust.
5306 (frame_pointer_cfa_offset): Rename to...
5307 (frame_pointer_fb_offset): ... this. Adjust all uses.
5308 (convert_cfa_to_loc_list): Rename to...
5309 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5310 Pass it on to build_cfa_loc.
5311 (compute_frame_pointer_to_cfa_displacement): Rename to...
5312 (compute_frame_pointer_to_fb_displacement): ... this. New
5313 offset parameter. Use it in computation.
5314 (gen_subprogram_die): Compute cfa_fb_offset with the new
5315 macro, and use it to compute the fb loc list and the
5318 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5320 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5321 replaced with register_operand.
5322 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5323 non-DREG is expensive.
5324 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5325 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5328 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5330 * doc/install.texi2html: Use set -e.
5332 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5334 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5335 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5336 * doc/invoke.texi (-fshared-data): Delete.
5337 * common.opt (fshared-data): Delete.
5338 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5339 (assemble_static_space): Remove #if 0 code.
5340 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5341 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5342 * config/cris/cris.h: Remove FIXME.
5344 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5346 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5349 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5352 * combine.c (simplify_shift_const_1): Disable nested shifts
5353 optimization for vector shifts.
5355 2006-02-20 Roger Sayle <roger@eyesopen.com>
5357 PR tree-optimization/26361
5358 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5359 of unsigned integer types.
5361 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5363 * tree-chrec.c (eq_evolutions_p): New.
5364 * tree-chrec.h (eq_evolutions_p): Declared.
5365 * tree-data-ref.c: Fix formatting.
5366 (datadep_stats, dependence_stats): New.
5368 (print_direction_vector): New.
5369 (dump_data_dependence_relation): Use print_direction_vector.
5370 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5371 (compute_subscript_distance): Static.
5372 (initialize_data_dependence_relation): Static. Get the number
5373 of loops surrounding the references from the callers, and initialize
5374 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5375 base_object_differ_p analyzers.
5376 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5377 compute_overlap_steps_for_affine_1_2,
5378 analyze_subscript_affine_affine): Count the classified dependences.
5379 Print a message when a test failed.
5380 (can_use_analyze_subscript_affine_affine): New.
5381 (analyze_siv_subscript): Compute the data dependences on symbolic
5382 scevs that verify can_use_analyze_subscript_affine_affine.
5383 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5384 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5385 Handle symbolic scevs.
5386 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5388 (subscript_dependence_tester): Moved...
5389 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5390 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5391 DDR_SIZE_VECT instead of getting it in parameter.
5392 (subscript_dependence_tester): ... here. Take as a parameter
5393 loop_nest_depth. Call build_classic_dist_vector and
5394 build_classic_dir_vector.
5395 (compute_affine_dependence): Update subscript_dependence_tester
5396 parameters. Update datadep_stats counters. Call
5397 compute_subscript_distance.
5398 (compute_self_dependence): Save the dist and dir vectors. Call
5399 compute_subscript_distance.
5400 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5401 (compute_all_dependences): Reorder parameters as they were before
5402 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5403 compute_subscript_distance. Update the use of
5404 compute_affine_dependence and initialize_data_dependence_relation.
5405 (find_data_references_in_loop): Handle COMPONENT_REF.
5406 (compute_data_dependences_for_loop): Initialize dependence_stats.
5407 Don't call build_classic_dist_vector and build_classic_dir_vector.
5408 Update the parameters of initialize_data_dependence_relation and
5409 compute_all_dependences. Print the statistics from datadep_stats.
5410 (analyze_all_data_dependences): Static. Not used until the pass for
5411 checking the data dependences is contributed.
5412 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5413 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5414 (initialize_data_dependence_relation, compute_affine_dependence,
5415 analyze_all_data_dependences, compute_subscript_distance): Removed.
5416 (print_direction_vector): New.
5417 * lambda.h (gcd): ... here.
5418 (lambda_vector_gcd): Moved here from gcd_vector.
5419 * lambda-code.c (gcd, gcd_vector): Removed.
5420 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5421 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5423 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5425 * ipa-type-escape.c: Tidy some comments and white space.
5426 * tree-ssa-operands.c: Likewise.
5428 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5431 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5432 (dump_decl_name): Do not walk the decl tree chains.
5433 * tree-pass.h (TDF_CHAIN): Remove.
5435 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5437 * Makefile.in (C): Remove
5439 (.PHONY): Remove C and PROTO
5441 2006-02-20 Roger Sayle <roger@eyesopen.com>
5444 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5445 deprecated CHAR_TYPE tree code.
5447 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5449 * configure.ac (target_list): Add install-info, dvi, html.
5450 * configure: Regenerate.
5452 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5453 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5454 treelang/Make-lang.in: Do not use double-colon rules.
5456 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5458 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5459 (TMT_USED_ALONE): New macro.
5460 * tree-pass.h (PROP_tmt_usage): New property.
5461 (TODO_update_tmt_usage): New todo.
5462 * tree-ssa-alias.c (updating_used_alone): New variable.
5463 (recalculate_used_alone): New function.
5464 (compute_may_aliases): Set updating_used_alone, call
5465 recalculate_used_alone.
5466 * tree-sra.c (pass_sra): Note that this pass destroys
5467 PROP_tmt_usage, and add TODO_update_tmt_usage.
5468 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5469 * tree-flow.h (updating_used_alone): Prototype.
5470 (recalculate_used_alone): Ditto.
5471 * passes.c (execute_todo): Add code to set updating_used_alone,
5472 and call recalculate.
5473 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5474 for clobber if used alone, and add assert to verify used_alone
5477 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5479 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5480 for non tls symbols added.
5481 (legitimize_address): Do nothing for PLUS expressions if one of the
5482 addends is a tls symbol reference.
5484 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5488 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5490 * Makefile.in (BOOTSTRAPPING): New.
5491 (quickstrap): New definition if BOOTSTRAPPING=yes.
5493 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5494 * configure.ac: Substitute all_selected_languages with the languages
5495 that were configured. For all the other variables except
5496 lang_specs_files, include all the languages in the tree.
5497 * configure: Regenerate.
5499 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5500 if there is one. Run the commands to run fixincludes in the same
5503 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5504 * doc/install.texi: Document exact conventions for searching target tools.
5505 Document --with-build-time-tools. Document toplevel bootstrap. Document
5506 something more about building an Ada cross-compiler. Don't list GNU Make
5507 requirements which affect all platforms.
5509 2006-02-19 Roger Sayle <roger@eyesopen.com>
5512 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5513 only equivalent if the have both the same mode and precision.
5515 2006-02-20 Ben Elliston <bje@au.ibm.com>
5517 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5519 2006-02-19 Roger Sayle <roger@eyesopen.com>
5520 Steven Bosscher <stevenb.gcc@gmail.com>
5522 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5523 constant pool references to identify stack mode constants.
5524 * rtlanal.c (constant_pool_constant_p): New predicate to check
5525 whether operand is a floating point constant in the pool.
5526 * rtl.h (constant_pool_constant_p): Prototype here.
5527 * loop.c (scan_loop): Avoid hoisting constants from the constant
5528 pool on STACK_REGS targets.
5529 (load_mems): Likewise.
5530 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5531 loads into x87 registers expensive in terms of register pressure.
5533 2006-02-19 Roger Sayle <roger@eyesopen.com>
5535 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5536 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5538 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5540 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5541 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5543 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5545 * doc/invoke.texi: Document -fipa-pta.
5546 * common.opt: Add ipa-pta option.
5547 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5548 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5549 (do_ds_constraint): Ditto.
5550 (get_constraint_for): Only add to referenced_vars if
5551 referenced_vars exists.
5552 (insert_into_field_list): Rewrite to do this unsorted.
5553 (insert_into_field_list_sorted): Rename old insert_into_field_list
5555 (create_function_info_for): Use insert_into_field_list_sorted.
5556 (create_variable_info_for): Rewrite so it uses unsorted version,
5557 since the field list is sorted.
5558 (intra_create_variable_infos): Only add to referenced_vars if
5559 referenced_vars exists.
5560 (ipa_pta_execute): Init heapvars, and delete when done.
5561 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5563 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5565 * doc/install.texi: Add missing `@samp'.
5567 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5569 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5572 2006-02-18 Mark Wielaard <mark@klomp.org>
5574 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5575 who added new 4.1 features, bug fixes and integration support.
5577 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5580 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5583 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5585 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5586 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5587 (copy_insn_1): Likewise. Don't copy each field individually.
5589 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5591 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5592 * rtl.c (rtx_size): Rename variable to...
5593 (rtx_code_size): ...this.
5594 (rtx_size): New function.
5595 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5596 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5598 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5599 * rtl.h (rtx_code_size): New variable.
5600 (rtx_size): Change from a variable to a function.
5601 (RTX_SIZE): Rename to...
5602 (RTX_CODE_SIZE): ...this.
5605 PR tree-optimization/17106
5606 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5607 (Anchored Addresses): New section.
5608 * doc/invoke.texi (-fsection-anchors): Document.
5609 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5610 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5611 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5612 * hooks.c (hook_bool_mode_rtx_false): New function.
5613 * hooks.h (hook_bool_mode_rtx_false): Declare.
5614 * gengtype.c (create_optional_field): New function.
5615 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5616 SYMBOL_REF_IN_BLOCK_P is true.
5617 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5618 (min_anchor_offset, max_anchor_offset): Likewise.
5619 (use_anchors_for_symbol_p): New hook.
5620 * toplev.c (compile_file): Call output_object_blocks.
5621 (target_supports_section_anchors_p): New function.
5622 (process_options): Check that -fsection-anchors is only used on
5623 targets that support it and when -funit-at-a-time is in effect.
5624 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5625 if the decl doesn't have one.
5626 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5627 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5628 of force_const_mem through use_anchored_address.
5629 (expand_expr_constant): New function.
5630 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5631 calling expand_expr for INDIRECT_REF.
5632 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5633 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5634 * expr.h (use_anchored_address): Declare.
5635 * loop-unroll.c: Don't declare rtx vectors here.
5636 * explow.c: Include output.h.
5637 (validize_mem): Call use_anchored_address.
5638 (use_anchored_address): New function.
5639 * common.opt (-fsection-anchors): New switch.
5640 * varasm.c (object_block_htab, anchor_labelno): New variables.
5641 (hash_section, object_block_entry_eq, object_block_entry_hash)
5642 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5643 (use_blocks_for_decl_p, change_symbol_section): New functions.
5644 (get_variable_section): New function, split out from assemble_variable.
5645 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5646 use_blocks_for_decl_p say so. Use change_symbol_section if the
5647 symbol has already been created.
5648 (assemble_variable_contents): New function, split out from...
5649 (assemble_variable): ...here. Don't output any code for
5650 block symbols; just pass them to place_block_symbol.
5651 Use get_variable_section and assemble_variable_contents.
5652 (get_constant_alignment, get_constant_section, get_constant_size): New
5653 functions, split from output_constant_def_contents.
5654 (build_constant_desc): Create a block symbol if use_object_blocks_p
5655 says so. Or into SYMBOL_REF_FLAGS.
5656 (assemble_constant_contents): New function, split from...
5657 (output_constant_def_contents): ...here. Don't output any code
5658 for block symbols; just pass them to place_section_symbol.
5659 Use get_constant_section and get_constant_alignment.
5660 (force_const_mem): Create a block symbol if use_object_blocks_p and
5661 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5662 (output_constant_pool_1): Add an explicit alignment argument.
5663 Don't switch sections here.
5664 (output_constant_pool): Adjust call to output_constant_pool_1.
5665 Switch sections here instead. Don't output anything for block symbols;
5666 just pass them to place_block_symbol.
5667 (init_varasm_once): Initialize object_block_htab.
5668 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5669 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5670 (place_block_symbol, get_section_anchor, output_object_block)
5671 (output_object_block_htab, output_object_blocks): New functions.
5672 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5673 (TARGET_ASM_OUT): Include it.
5674 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5675 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5676 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5677 (TARGET_INITIALIZER): Include them.
5678 * rtl.c (rtl_check_failed_block_symbol): New function.
5679 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5680 (block_symbol, object_block): New structures.
5681 (rtx_def): Add a block_symbol field to the union.
5682 (BLOCK_SYMBOL_CHECK): New macro.
5683 (rtl_check_failed_block_symbol): Declare.
5684 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5685 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5686 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5687 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5688 * output.h (output_section_symbols): Declare.
5689 (object_block): Name structure.
5690 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5691 (default_use_anchors_for_symbol_p): Declare.
5692 * Makefile.in (RTL_BASE_H): Add vec.h.
5693 (explow.o): Depend on output.h.
5694 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5695 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5696 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5697 (rs6000_use_blocks_for_constant_p): New function.
5699 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5701 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5703 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5706 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5709 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5711 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5715 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5718 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5719 instead of DECL_REGISTER.
5721 2006-02-18 Olivier Hainque <hainque@adacore.com>
5724 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5726 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5729 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5730 * opth-gen.awk: Handle Var and InverseMask together.
5731 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5732 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5733 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5734 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5736 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5737 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5738 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5739 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5740 LINUX_DYNAMIC_LINKER): Define.
5741 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5742 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5744 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5745 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5746 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5747 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5748 (TARGET_C99_FUNCTIONS): Don't define.
5749 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5750 GLIBC_DYNAMIC_LINKER.
5751 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5752 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5753 GLIBC_DYNAMIC_LINKER64): Define.
5754 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5755 LINUX_DYNAMIC_LINKER64.
5756 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5757 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5758 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5759 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5760 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5761 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5762 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5763 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5764 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5765 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5766 and LINUX_DYNAMIC_LINKER32.
5767 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5768 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5769 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5770 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5771 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5773 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5774 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5775 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5776 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5777 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5778 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5779 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5780 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5781 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5782 LINUX_DYNAMIC_LINKER): Define.
5783 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5784 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5785 GLIBC_DYNAMIC_LINKER64): Define.
5786 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5787 LINUX_DYNAMIC_LINKER64.
5788 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5789 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5790 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5791 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5792 LINUX_DYNAMIC_LINKER): Define.
5793 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5794 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5795 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5796 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5797 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5798 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5799 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5800 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5801 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5802 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5803 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5804 * doc/invoke.texi (-muclibc): Remove caveat about supported
5807 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5809 * doc/cpp.texi (__TIMESTAMP__): Document.
5811 2006-02-17 Roger Sayle <roger@eyesopen.com>
5814 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5815 C is one less than the width of X (and related transformations).
5816 * simplify-rtx.c (simplify_unary_operation_1): Transform
5817 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5818 depending on STORE_FLAG_VALUE, were C is one less then the
5821 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5823 Fix PR tree-optimization/26341
5824 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5825 about NAME_MEMORY_TAG's.
5827 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5830 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5831 with hardware float support, and software float support. Add fcpy
5832 alternative to hardware patterns. Add alternatives to copy between
5833 general and floating-point registers to the 32-bit pattern.
5834 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5835 secondary reload to load a QI or HI mode constant into a floating
5837 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5838 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5840 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5843 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5845 (load_macho_picbase_di): Likewise.
5847 2006-02-16 Jeff Law <law@redhat.com>
5849 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5850 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5851 (ssa_name_nonzero_p): Likewise.
5852 (get_value_range): Return NULL if VRP is not running.
5853 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5854 VRP routines do not discover a range.
5855 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5856 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5857 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5858 (tree_expr_nonnegative_p): Similarly.
5859 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5860 (restore_nonzero_vars_to_original_value): Remove.
5861 (unsafe_associative_fp_binop): Remove.
5862 (tree_ssa_dominator_optimize): Remove initialization and
5863 finalization of nonzero_vars and nonzero_vars_stack.
5864 (dom_opt_initialize_block): No longer push marker on
5866 (dom_opt_finalize_block): No longer call
5867 restore_nonzero_vars_to_original_value.
5868 (record_equivalences_from_phis): No longer look for
5869 nonzero PHI arguments.
5870 (cprop_into_successor_phis): No longer propagate nonzero
5871 property into PHI arguments. Lose unused argument. Caller
5873 (record_equivalences_from_stmt): No longer record nonzero
5874 values for SSA_NAMEs.
5875 (lookup_avail_expr): No longer use nonzero_vars.
5877 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5878 for sizetype when sizetype is unsigned.
5880 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5882 PR rtl-optimization/25603
5883 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5884 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5885 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5886 with new meaning of SETS.
5888 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5893 * config/linux.opt: New file.
5894 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5895 LINUX_DYNAMIC_LINKER): Define.
5896 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5897 * config.gcc (*-*-linux*): Define extra_options.
5898 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5899 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5900 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5901 GLIBC_DYNAMIC_LINKER.
5902 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5903 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5904 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5905 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5906 * doc/invoke.texi (GNU/Linux Options): New section.
5908 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5910 * config/sparc/sparc.md (setjmp): Rewrite.
5911 (setjmp_32): Delete.
5912 (setjmp_64): Likewise.
5914 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5916 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5919 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5921 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5924 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5926 PR rtl-optimization/26296
5927 * Makefile.in (loop-invariant.c): Add except.h dependency.
5928 * loop-invariant.c: Include except.h.
5929 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5931 2005-02-16 Paul Brook <paul@codesourcery.com>
5933 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5936 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5938 PR rtl-optimization/25636
5939 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5940 when deciding whether an insn is an initializing insn.
5942 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5944 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5945 (tree_code_size): Ditto.
5946 * tree.h (struct tree_memory_tag): Remove parent_var.
5947 (struct tree_struct_field_tag): New.
5950 (union tree_node): Add sft member.
5951 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5953 (create_sft): Add size and offset argument, set SFT_OFFSET and
5955 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5956 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5957 * tree-flow-inline.h (get_subvar_at): Update for
5958 SFT_OFFSET/SFT_SIZE.
5959 (var_can_have_subvars): Ditto.
5960 (overlap_subvar): Ditto.
5961 * print-tree.c (print_node): Print out interesting things for
5963 * tree-flow.h (struct subvar): Remove offset and size members.
5964 * tree-ssa-operands.c (get_expr_operands): Update for
5965 get_indirect_ref_operands changes.
5966 (get_indirect_ref_operands): Call add_virtual_operand instead of
5967 add_stmt_operand. Only recurse on base var if requested.
5968 (access_can_touch_variable): New function.
5969 (add_stmt_operand): Split virtual operand handling into ...
5970 (add_virtual_operand): Here. Add offset, size, and for_clobber
5971 arguments. Prune alias sets.
5972 (add_call_clobber_ops): Call add_virtual_operand.
5974 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5977 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5979 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5980 than TREE_CODE as index into omp_clause_num_ops array.
5982 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5984 PR rtl-optimization/26184
5985 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5987 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5988 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5989 must_precede, must_follow and tobe_scheduled.
5992 * opts.c (common_handle_option): Free new_option pointer.
5993 * df-core.c (df_analyze): Free postorder pointer.
5995 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5997 * Makefile.in: Fix the examples about the use of stamps
5999 2006-02-15 Michael Matz <matz@suse.de>
6003 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6004 influenced by maximum_field_alignment or DECL_PACKED.
6005 (update_alignment_for_field): Ditto.
6006 (place_field): Ditto.
6007 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6010 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6012 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6013 (debug_flow_info): Pass it.
6014 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6015 * bb-reorder.c (reorder_basic_blocks): Likewise.
6016 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6017 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6018 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6019 * gcse.c (gcse_main, bypass_jumps): Likewise.
6020 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6021 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6022 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6023 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6024 * rtl.h (dump_flow_info): Adjust prototype.
6025 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6026 * var-tracking.c (variable_tracking_main): Likewise.
6027 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6028 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6031 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6033 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6036 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6038 PR tree-optimization/26209
6039 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6040 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6042 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6044 2006-02-14 Roger Sayle <roger@eyesopen.com>
6047 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6048 (X,Y) and the corresponding symmetry related transformations.
6049 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6050 (X,Y) and its symmetry related transformations.
6052 2006-02-14 Roger Sayle <roger@eyesopen.com>
6054 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6057 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6059 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6061 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6064 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6065 support COMDAT group.
6066 * configure: Regenerate.
6068 2006-02-14 Roger Sayle <roger@eyesopen.com>
6073 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6075 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6077 Fix PR tree-optimization/26260
6079 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6081 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6082 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6083 * tree-ssa-structalias.c (create_variable_info_for): Use
6084 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6086 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6088 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6090 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6091 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6092 of the ending condition.
6093 * tree-ssa-loop-manip.c: Include params.h.
6094 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6095 tree_unroll_loop): New functions.
6096 * tree-pass.h (pass_loop_prefetch): Declare.
6097 * loop.c (rest_of_handle_loop_optimize): Test for
6098 -fprefetch-loop-arrays-rtl.
6099 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6100 * timevar.def (TV_TREE_PREFETCH): New timevar.
6101 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6102 pass_loop_prefetch): New.
6103 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6104 (cleanup_tree_cfg_loop): Call scev_reset.
6105 * common.opt (fprefetch-loop-arrays-rtl): Add.
6106 * tree-ssa-loop-prefetch.c: New file.
6107 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6108 (new_temp_expr_table): Initialize expr_vars.
6109 (free_temp_expr_table): Cleanup expr_vars.
6110 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6111 expressions from being merged into one.
6112 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6113 (struct tree_niter_desc): Add control, bound and cmp fields.
6114 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6116 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6117 (tree-cfgcleanup.o): Add SCEV_H dependency.
6118 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6119 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6121 2006-02-14 Richard Guenther <rguenther@suse.de>
6123 PR tree-optimization/26258
6124 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6125 in PHI argument processing.
6127 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6129 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6130 new expression in the requested machine mode.
6132 2006-02-13 Roger Sayle <roger@eyesopen.com>
6134 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6135 directly, instead let do_compare_rtx_and_jump handle this for us.
6136 * expr.c (expand_expr_real_1): Likewise.
6137 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6138 before do_jump_by_parts_greater.
6139 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6140 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6142 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6144 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6146 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6148 PR rtl-optimization/26235
6149 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6150 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6153 2006-02-13 Jeff Law <law@redhat.com>
6155 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6158 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6161 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6162 twice if decl is a builtin. When trying again, call get_callee_fndecl
6163 first to verify it is still a builtin.
6165 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6167 * dwarf2out.c (base_type_die): Don't add AT_name here.
6168 (subrange_type_die): Don't add AT_name here.
6169 (modified_type_die): Rearrange code flow. Do add AT_name here.
6171 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6173 PR rtl-optimization/26247
6174 PR rtl-optimization/26248
6175 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6177 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6179 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6180 * config/fixtfdi.c: Likewise.
6181 * config/fixunstfdi.c: Likewise.
6182 * config/floatditf.c: Likewise.
6184 2006-02-13 Roger Sayle <roger@eyesopen.com>
6187 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6188 into (X,C2) if C1 is a subset of the bits of C2. Transform
6189 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6191 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6193 2006-02-13 Josh Conner <jconner@apple.com>
6196 * varasm.c (function_section): Check for section name before
6197 calling select_section on targets that define
6198 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6199 unlikely_text_section instead of hot_function_section if
6200 first_function_block_is_cold.
6202 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6205 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6207 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6209 PR rtl-optimization/26222
6210 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6211 after tree->rtl expansion.
6212 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6213 before passing it to emit_move_insn.
6215 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6217 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6219 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6220 Clarify documentation.
6221 * c-common.h (warn_write_strings): Remove.
6222 * c-common.c (warn_write_strings): Likewise.
6223 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6226 2006-02-12 Roger Sayle <roger@eyesopen.com>
6229 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6230 (do_jump_parts_zero_rtx): New function renamed from
6231 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6232 (do_jump_parts_equality_rtx): New function split out from
6233 do_jump_parts_equality. Old implementation renamed as above.
6234 Call do_jump_parts_zero_rtx if either operand is zero.
6235 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6236 do all of the heavy lifting.
6237 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6238 calling either do_jump_by_parts_greater_rtx or
6239 do_jump_by_parts_equality_rtx.
6240 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6241 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6242 moved to do_compare_rtx_and_jump, call it directly.
6243 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6244 mode argument. Call do_compare_rtx_and_jump.
6245 (emit_case_nodes): Update calls to do_jump_if_equal.
6247 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6249 PR rtl-optimization/26225
6250 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6252 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6254 PR rtl-optimization/26232
6255 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6257 2006-02-11 Jason Merrill <jason@redhat.com>
6260 * tree-inline.c (declare_return_variable): Just don't use the
6261 modify target if it's a gimple complex reg and the return slot
6264 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6266 * doc/contrib.texi: Update my entry.
6268 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6270 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6272 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6274 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6277 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6279 * doc/invoke.texi (-floop-optimize2): Removed.
6280 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6281 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6282 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6283 * common.opt (floop-optimize2): Removed.
6284 (fmove-loop-invariants): Enabled by default.
6286 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6288 * tree-if-conv.c (combine_blocks): Free the result of
6289 get_loop_exit_edges.
6291 2006-02-10 Jeff Law <law@redhat.com>
6293 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6295 PR tree-optimization/26213
6296 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6297 loop trying to follow SSA_NAME_VALUE chains.
6299 2006-02-10 Richard Guenther <rguenther@suse.de>
6301 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6302 deal with structures that end in implicitly variable sized arrays.
6304 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6306 PR rtl-optimization/24762
6307 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6310 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6312 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6313 (struct ivopts_data): Add regs_used field.
6314 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6315 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6316 instead of loop_data->regs_used;
6317 (free_loop_data): Do not free aux fields for loops.
6318 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6319 and tree_ssa_iv_optimize_finalize.
6321 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6323 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6325 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6328 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6329 computing the effective result type.
6331 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6334 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6335 (tree_overlaps_hard_reg_set): Declare.
6336 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6337 type and signature to match function type expected by walk_tree.
6338 (tree_overlaps_hard_reg_set): New function.
6339 (decl_conflicts_with_clobbers_p): Rename to:
6340 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6341 Use tree_overlaps_hard_reg_set. Changed caller.
6342 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6343 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6344 * cris.c (cris_md_asm_clobbers): Likewise.
6346 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6348 * reload1.c (emit_input_reload_insns): Delete code that tries to
6349 inherit using find_equiv_reg.
6351 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6353 * c-common.h (flag_const_strings): Don't declare.
6354 * c-common.c (flag_const_strings): Remove.
6355 * c.opt (fconst_strings): Remove.
6356 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6357 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6358 (c_common_init_options): Don't set flag_const_strings.
6359 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6361 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6363 * arm.md (tlobits_cbranch): New pattern.
6364 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6365 testing a single bit.
6367 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6370 * tree-ssa-pre.c (create_component_ref_by_pieces):
6371 Handle RETURN_DECL like VAR_DECL.
6373 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6376 * fold-const.c (fold_indirect_ref_1): Fold
6377 "*(foo *)&complexfoo" to "__real__ complexfoo"
6378 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6380 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6382 * tree-flow-inline.h (var_can_have_subvars):
6383 Volatile variables should not have subvariables.
6385 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6388 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6389 multiplying unsigned values.
6392 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6394 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6396 2006-02-08 Jason Merrill <jason@redhat.com>
6399 * tree.def: Elaborate on difference from MODIFY_EXPR.
6400 * doc/c-tree.texi (INIT_EXPR): Likewise.
6401 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6402 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6403 (gimplify_target_expr): Likewise.
6404 (gimplify_cond_expr): Remove target handling.
6405 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6406 (gimplify_expr): Clobber it here.
6407 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6408 Do return slot optimization if we have an INIT_EXPR.
6411 * tree-inline.c (declare_return_variable): Also clear
6412 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6415 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6418 * gimplify.c (gimplify_one_sizepos): Fix typo.
6420 2006-02-08 Jeff Law <law@redhat.com>
6422 PR tree-optimization/21417
6423 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6424 across a backedge if the control statement at the end of the
6425 block is data dependent on other statements in the same block.
6426 (record_temporary_equivalences_from_stmts): Remove over-conservative
6427 test for threading across backedges.
6429 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6430 control statement, handle all three special cases in the same
6431 manner as they all have the same desired solution. No longer
6432 special case edge flag updating when the post dominator is
6435 2006-02-08 Roger Sayle <roger@eyesopen.com>
6437 * tree.def (CHAR_TYPE): Remove.
6438 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6439 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6440 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6441 (gen_string_type_die): Delete unreachable function.
6443 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6444 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6445 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6446 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6447 * builtins.c (type_to_class): Likewise.
6448 * fold-const.c (fold_convert, build_range_check,
6449 merge_ranges): Likewise.
6450 * expr.c (count_type_elements): Likewise.
6451 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6452 * stor-layout.c (layout_type): Likewise.
6453 * ipa-type-escape.c (type_to_consider): Likewise.
6454 * gimplify.c (omp_firstprivatize_type_sizes,
6455 gimplify_type_sizes): Likewise.
6456 * explow.c (promote_mode): Likewise.
6457 * tree-sra.c (is_sra_scalar_type): Likewise.
6458 * varasm.c (output_constant): Likewise.
6459 * tree-inline.c (remap_type_1): Likewise.
6460 * convert.c (convert_to_pointer, convert_to_real,
6461 convert_to_integer, convert_to_complex): Likewise.
6463 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6465 * df-scan.c (df_def_record_1): A set destination may
6466 be a parallel regardless of mode.
6468 2006-02-08 Roger Sayle <roger@eyesopen.com>
6471 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6472 * config/mips/_tilib.c: Remove.
6473 * config/fixtfdi.c: New libgcc source file.
6474 * config/fixunstfdi.c: New source file.
6475 * config/floatditf.c: New source file.
6476 * config/floatunditf.c: New souce file.
6477 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6478 files above instead of config/mips/_tilib.c.
6479 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6481 2006-02-08 Jeff Law <law@redhat.com>
6483 PR tree-optimization/26169
6484 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6487 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6489 * df.h (DF_REG_SIZE): Return the length of the initialized
6492 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6494 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6495 __muldf3): Return a correctly signed zero.
6497 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6499 * passes.c (register_one_dump_file): Accept the current properties
6500 instead of pass number. Adjust call to dump_register. Remove
6502 (register_dump_files): Now a wrapper around...
6503 (register_dump_files_1): ... this one. Do not modify the pass
6505 (next_pass_1): Cosmetic fix.
6506 (execute_todo): Keep second parameter only. Use curr_properties
6507 instead of fetching it from the pass structure. Check and set
6509 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6510 instead of fetching it from the pass structure. Fix calls to
6511 execute_todo. Update curr_properties and initialize .vcg RTL dump
6512 after running the pass. Reset last_verified.
6513 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6515 (FIRST_AUTO_NUMBERED_DUMP): New.
6516 (dump_register): Remove "num" parameter, assign it within the
6518 (get_dump_file_name): Modify template for dumps.
6519 * tree-dump.h (dump_register): Adjust prototype.
6520 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6521 (PROP_trees): Add PROP_gimple_lomp.
6522 (TODO_set_props): New.
6523 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6524 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6525 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6527 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6529 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6530 (sparc64-*-linux*): Likewise.
6531 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6532 * config/sparc/t-linux: New file.
6533 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6534 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6535 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6536 -m32 -mlong-double-128.
6538 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6539 * config/alpha/t-linux: New file.
6540 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6542 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6543 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6544 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6545 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6546 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6547 (CPP_ARCH32_SPEC): Remove.
6549 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6551 PR tree-optimization/26145
6552 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6555 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6558 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6559 >= 240000 when generating code for SOM runtime.
6560 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6561 to $$dyncall when generating code for SOM runtime..
6563 2006-02-07 Dirk Mueller <dmueller@suse.com>
6566 * doc/invoke.texi (-Wsequence-point): Update documentation
6567 that -Wsequence-point is implemented for C++ as well.
6569 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6571 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6572 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6573 (LIB_SPEC): Likewise.
6574 * doc/invoke.texi (SPARC options): Document -pthread.
6576 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6578 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6581 2006-02-07 Roger Sayle <roger@eyesopen.com>
6583 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6584 Correct comment describing BOOLEAN_TYPE.
6586 2006-02-07 Dirk Mueller <dmueller@suse.com>
6588 * c.opt: C++ frontend supports -Wdiv-by-zero.
6589 * c-opts.c (c_common_handle_option): Remove dead case.
6591 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6593 * configure.ac (TLS assembler check): Do not enable TLS by
6594 default on SPARC/Solaris before version 10.
6595 * configure: Regenerate.
6597 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6599 * doc/invoke.texi (xl-compat): Document conversion and support
6602 2006-02-07 Jeff Law <law@redhat.com>
6604 * tree-vrp.c (find_conditional_asserts): Update comments.
6605 (simplify_stmt_for_jump_threading): New.
6606 (identify_jump_threads, finalize_jump_threads): New.
6607 (vrp_finalize): Call identify_jump_threads.
6608 (execute_vrp): Call finalize_jump_threads.
6609 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6610 (vrp_element, vrp_data, vrp_element_p): Remove.
6611 (vrp_hash_elt, vrp_variables_stack): Remove.
6612 (vrp_hash, vrp_eq, record_range): Remove.
6613 (simplify_cond_and_lookup_avail_expr): Remove.
6614 (extract_range_from_cond): Remove.
6615 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6616 (simplify_stmt_for_jump_threading): New.
6617 (dom_thread_across_edge): New wrapper.
6618 (tree_ssa_dominator_optimize): No longer initialize or
6619 finalize any of the VRP datastructures. Remove iteration
6620 step and simplify as a result of removal of iteration step.
6621 (pass_dominator): Perform a cfg cleanup after DOM.
6622 (dom_opt_finalize_block): Use the new common routines
6623 for threading jumps. Simplify stack management slightly.
6624 No longer need to unwind VRP state.
6625 (record_equivalences_from_incoming_edge): No longer record
6627 (eliminate_redundant_computations): No longer call
6628 simplify_cond_and_lookup_avail_expr.
6629 * tree-flow.h (potentially_threadable_block): Prototype.
6630 (thread_across_edge): Likewise.
6631 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6632 (tree-ssa-threadedge.o): Add dependencies.
6633 * tree-ssa-threadedge.c: New file.
6634 * passes.c (init_optimization_passes): Merge PHIs before
6635 calling VRP. Run VRP again late in the SSA optimization pipeline.
6637 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6639 * df-core.c (df_set_blocks): Do not dereference function pointers.
6640 (df_finish1): Likewise.
6641 (df_hybrid_search_forward): Likewise.
6642 (df_hybrid_search_backward): Likewise.
6643 (df_iterative_dataflow): Likewise.
6644 (df_analyze_problem): Likewise.
6645 (df_compact_blocks): Likewise.
6646 (df_dump): Likewise.
6647 * df-scan.c (df_rescan_blocks): Likewise.
6648 (df_record_entry_block_defs): Likewise.
6650 * genconditions.c (write_conditions): Guard the definition of
6651 'insn_conditions' with the check on GCC version.
6652 (write_writer): Guard the traversal 'insn_conditions' with
6653 the check on GCC version.
6655 2006-02-07 Richard Guenther <rguenther@suse.de>
6659 2006-01-30 Richard Guenther <rguenther@suse.de>
6661 * gimplify.c (gimplify_target_expr): Handle easy cases
6662 without creating a temporary.
6664 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6666 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6667 use of float in probability computations. Use edge probabilities
6668 in place of statically computed probabilities.
6669 (min_spec_prob): New static variable.
6670 (schedule_insns): Initialize it.
6671 (GET_SRC_PROB): Removed.
6672 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6674 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6677 * config/ia64/unwind-ia64.c: Revert last change.
6678 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6679 (INCOMING_FRAME_SP_OFFSET): Define.
6681 2006-02-06 Roger Sayle <roger@eyesopen.com>
6683 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6685 2006-02-07 Ben Elliston <bje@au.ibm.com>
6687 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6688 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6689 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6690 (ix86_return_in_memory): Handle TDmode.
6691 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6692 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6694 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6696 * reorg.c (dbr_schedule): Use dump_file instead of file.
6698 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6701 * config/ia64/predicates.md (extr_len_operand): New predicate.
6702 * config/ia64/ia64.md (extv): Tighten constraints.
6704 (*tbit_and_2): Ditto.
6705 (*tbit_and_3): Ditto.
6706 (*tbit_or_2): Ditto.
6707 (*tbit_or_3): Ditto.
6711 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6714 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6716 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6718 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6719 loop_optimizer_init and loop_optimizer_finalize
6720 * tree-ssa-sink.c (execute_sink_code): Ditto.
6721 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6722 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6723 tree_ssa_loop_done): Ditto.
6724 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6725 * sched-ebb.c: Include output.h.
6726 (schedule_ebbs): Do not use dump argument.
6727 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6728 * loop.c (loop_dump_stream): Removed.
6729 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6731 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6732 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6733 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6734 loop_iterations, strength_reduce, record_biv, record_giv,
6735 final_giv_value, check_final_value, check_ext_dependent_givs,
6736 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6737 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6738 dump_file instead of loop_dump_stream.
6739 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6741 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6743 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6744 * haifa-sched.c: Include output.h
6745 (schedule_insns, sched_init): Do not use dump argument.
6746 * mode-switching.c (optimize_mode_switching): Ditto.
6747 * modulo-sched.c (stats_file): Removed.
6748 (print_node_sched_params): Do not call argument dump_file.
6749 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6750 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6752 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6754 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6755 rtl_loop_init, rtl_loop_done): Ditto.
6756 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6757 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6759 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6760 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6761 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6762 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6763 * emit-rtl.c (renumber_insns): Ditto.
6764 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6765 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6766 * regclass.c (regclass): Ditto.
6767 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6768 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6769 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6770 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6772 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6773 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6775 * gcse.c (gcse_file, debug_stderr): Removed.
6776 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6777 rest_of_handle_gcse): Do not use dump argument.
6778 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6779 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6780 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6781 compute_code_hoist_vbeinout, compute_code_hoist_data,
6782 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6783 compute_store_table, build_store_vectors, insert_insn_start_bb,
6784 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6785 store_motion): Use dump_file instead of gcse_file.
6786 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6787 * profile.c (profile_dump_file): Removed.
6788 (branch_prob): Use dump_file instead of profile_dump_file.
6789 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6791 * tree-ssa-copy.c (dump_copy_of): Ditto.
6792 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6793 dump file to life_analysis.
6794 * bt-load.c (branch_target_load_optimize): Ditto.
6795 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6797 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6798 regclass, dbr_schedule): Declaration changed.
6799 * sched-int.h (sched_init): Declaration changed.
6800 * tree-profile.c (tree_profile_dump_file): Removed.
6801 (tree_profile_hooks): Removed profile_dump_file hook.
6802 * rtl-profile (rtl_profile_dump_file): Removed.
6803 (rtl_profile_hooks): emoved profile_dump_file hook.
6804 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6806 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6807 * tree-cfg.c (build_tree_cfg): Ditto.
6808 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6809 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6810 Declaration changed.
6811 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6812 life_analysis and schedule_insns.
6813 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6815 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6817 * config/mips/mips.c (mips_reorg): Ditto.
6818 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6821 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6823 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6824 (s390_mangle_fundamental_type): New.
6825 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6828 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6829 (alpha_mangle_fundamental_type): New.
6830 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6833 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6835 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6837 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6838 (sparc_mangle_fundamental_type): New.
6840 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6842 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6843 (s390x-*-linux*): Likewise.
6844 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6845 * config/s390/t-linux: New file.
6847 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6849 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6850 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6852 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6854 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6855 (ANTIC_SAFE_LOADS): New macro.
6856 (find_or_generate_expression): Add prototype.
6857 (set_contains_value): Allow null set for sake of not always having
6858 to allocate ANTIC_SAFE_LOADS.
6859 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6860 Allow COMPONENT_REF too.
6861 (valid_in_set): Allow COMPONENT_REF.
6862 Check ANTIC_SAFE_LOADS too.
6863 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6864 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6866 (can_PRE_operation): Add COMPONENT_REF.
6867 (create_component_ref_by_pieces): New function.
6868 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6869 (insert_aux): Move AGGREGATE_TYPE_P check here.
6870 (compute_avail): Set bb local stmt uids.
6871 (pass_pre): Use TODO_update_ssa_only_virtuals.
6873 2006-02-06 Ben Elliston <bje@au.ibm.com>
6875 * configure.ac: Unconditionally disable decimal float by default.
6876 * configure: Regenerate.
6878 2006-02-06 Ben Elliston <bje@au.ibm.com>
6880 * read-rtl.c (read_name): Terminate reading on EOF.
6882 2006-02-06 Ben Elliston <bje@au.ibm.com>
6884 * dfp.c (decimal_real_arithmetic): Change second argument type
6885 from int to enum tree_code. Do not always return true, but now
6886 return result of any call to decimal_do helper functions.
6887 * dfp.h (decimal_real_arithmetic): Update prototype.
6889 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6891 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6893 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6896 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6899 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6901 * tree-vrp.c (cfg_loops): Removed.
6902 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6903 Use current_loops instead of cfg_loops. Pass flags to
6904 loop_optimizer_init.
6905 * cfgloopmanip.c (fix_loop_structure): Update only available
6907 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6908 loop_optimizer_init.
6909 * modulo-sched.c (build_loops_structure): Removed.
6910 (sms_schedule): Use loop_optimizer_init.
6911 * loop-init.c (loop_optimizer_init): Use flags to determine
6912 which properties of loops to prepare.
6913 (rtl_loop_init): Pass flags to loop_optimizer_init.
6914 * tree-ssa-sink.c (execute_sink_code): Ditto.
6915 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6916 * tree-ssa-pre.c (init_pre): Ditto.
6917 * cfgloop.h (LOOPS_NORMAL): New.
6918 (loop_optimizer_init): Declaration changed.
6920 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6922 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6923 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6925 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6927 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6929 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6930 * pa/t-pa64: Delete quadlib.c rule.
6931 * pa/x-ada: Revert last change.
6932 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6934 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6936 PR rtl-optimization/26087
6937 * rtlanal.c (canonicalize_condition): Do not cross basic block
6940 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6943 * config/ia64/ia64.c: Include debug.h.
6944 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6945 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6946 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6947 (process_epilogue, process_set, process_for_unwind_directive):
6948 Output unwind info only if requested. Add CFA info if requested.
6949 Add new arguments as needed. Adjust callers.
6950 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6952 (DWARF2_FRAME_INFO): Define to zero.
6953 * config/ia64/unwind-ia64.c: Remove code that compensated for
6954 the CFA offset error fixed above.
6955 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6956 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6957 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6958 -funwind-tables and -fexceptions to enable frame info.
6959 (dwarf2out_frame_init): Define initial CFA even if
6960 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6961 DWARF2_UNWIND_INFO is nonzero, not just defined.
6962 (dwarf2out_frame_finish): Output non-EH call frame info only
6963 if DWARF2_FRAME_INFO is nonzero.
6964 (convert_cfa_to_loc_list,
6965 compute_frame_pointer_to_cfa_displacement): Define even if
6966 unwind info is not supported.
6967 (gen_subprogram_die): Use the above unconditionally. Remove
6968 legacy alternate code.
6969 * toplev.c (compile_file): Compile in call to
6970 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6971 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6973 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6974 Jakub Jelinek <jakub@redhat.com>
6976 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6977 IBM extended float format long double as "g" on powerpc*-linux.
6979 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6982 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6983 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6985 2006-02-03 Jason Merrill <jason@redhat.com>
6988 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6991 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6992 on the return slot if it's an NRV.
6994 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6996 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6997 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6998 rewrite_use): Do not handle USE_OUTER.
6999 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7000 add_iv_outer_candidates, may_replace_final_value,
7001 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7002 (find_interesting_uses_op): Functionality of
7003 find_interesting_uses_outer_or_nonlin moved here.
7004 (find_interesting_uses_outside): Use find_interesting_uses_op.
7006 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7009 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7011 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7012 Ulrich Weigand <uweigand@de.ibm.com>
7015 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7016 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7017 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7018 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7020 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7021 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7022 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7023 Define secondary reloads for TFmode moves.
7024 (constant_modes): Add TFmode.
7025 (NR_C_MODES): Set to 8.
7026 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7028 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7029 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7030 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7031 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7032 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7033 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7034 (FPR mode macro): Add TFmode.
7035 (DSF mode macro): New.
7036 (<de>, <dee> mode attributes): Removed.
7037 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7038 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7039 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7040 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7041 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7042 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7043 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7044 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7045 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7046 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7047 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7048 "*negabs<mode>2", "sqrt<mode>2"):
7049 Changed <de> to <xde>. R constraint replaced by <Rf>.
7050 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7052 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7053 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7054 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7056 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7057 "extenddftf2", "extendsftf2"): New expanders.
7058 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7059 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7060 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7061 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7063 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7064 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7065 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7066 __floatditf): Add a GCC_4.1.0 symbol version tag.
7067 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7070 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7073 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7074 Use targetm.binds_local_p instead of TREE_PUBLIC.
7076 2006-02-02 Roger Sayle <roger@eyesopen.com>
7078 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7079 on INTEGER_TYPEs to indicate that it denotes a character type.
7080 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7081 signed_char_type_node, unsigned_char_type_node and char_type_node.
7082 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7083 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7084 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7086 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7087 Daniel Berlin <dberlin@dberlin.org>
7089 * tree-tailcall.c (arg_needs_copy_p): New function.
7090 (eliminate_tail_call): Use arg_needs_copy_p.
7091 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7092 (add_virtual_phis): New function.
7094 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7096 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7097 #ignore instead of #scratch for %g7 .register directive.
7099 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7101 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7104 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7106 * flow.c (calculate_global_regs_live): Assert that there aren't any
7109 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7111 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7113 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7114 bsi_after_labels iterator.
7115 * tree-if-conv.c (find_phi_replacement_condition,
7116 replace_phi_with_cond_modify_expr): Likewise.
7117 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7118 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7120 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7122 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7124 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7127 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7128 array after growing it.
7130 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7133 * fold-const.c (fold_checksum_tree): Change type of buf.
7135 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7137 * reload.c (push_secondary_reload): Initialize t_icode.
7139 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7141 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7142 -msoft-float -mlong-double-128 only issue a warning, but don't
7143 swich to DFmode long double.
7145 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7147 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7148 has a constant equivalent, iterate over equivalents for arg0,
7149 calling simplify_relational_operation and if there's a result
7150 cheaper than X, apply fold_rtx and return the result.
7152 2006-02-01 Jan Hubicka <jh@suse.cz>
7154 * opts.c (no_unit_at_a_time_default): New global variable.
7155 (decode_options): Use it.
7156 * opts.h (no_unit_at_a_time_default): Declare.
7158 2006-02-01 Paul Brook <paul@codesourcery.com>
7160 * function.c (assign_parm_setup_reg): Use function argument promotion
7162 * expr.c (expand_expr_real_1): Use function argument promotion rules
7165 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7167 * gcc.c (process_command): Change j to 'unsigned int'.
7169 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7172 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7173 Use the corrected index for the character
7174 out of the string constant.
7176 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7178 * mode-switching.c (optimize_mode_switching): Fix size
7179 allocated for bb_info[n_entities].
7181 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7183 * gcc.c (main): Correct type that is allocated for
7184 explicit_link_files.
7186 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7188 * config/s390/s390.c (init_alignment_context): Set
7189 ALIAS_SET_MEMORY_BARRIER on the MEM.
7190 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7192 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7195 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7197 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7200 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7202 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7203 * regrename.c: Ditto.
7204 * tree-ssa-loop-im.c: Ditto.
7205 * tree-dump.c: Ditto.
7206 * tree-complex.c: Ditto.
7207 * genrecog.c: Ditto.
7208 * tree-ssa-threadupdate.c: Ditto.
7210 * java/class.c: Ditto.
7211 * java/jcf-parse.c: Ditto.
7212 * java/resource.c: Ditto.
7213 * java/except.c: Ditto.
7214 * java/jvspec.c: Ditto.
7215 * java/jcf-write.c: Ditto.
7216 * java/jcf-path.c: Ditto.
7217 * java/gjavah.c: Ditto.
7218 * java/zextract.c: Ditto.
7219 * java/jcf-io.c: Ditto.
7220 * java/jcf.h: Ditto.
7221 * java/buffer.c: Ditto.
7222 * java/lang.c: Ditto.
7223 * java/parse-scan.y: Ditto.
7224 * java/lex.c: Ditto.
7225 * java/lex.h: Ditto.
7226 * cfgloopmanip.c: Ditto.
7227 * postreload-gcse.c: Ditto.
7228 * tree-ssa-loop-manip.c: Ditto.
7229 * postreload.c: Ditto.
7230 * tree-ssa-loop-ch.c: Ditto.
7234 * diagnostic.c: Ditto.
7236 * genoutput.c: Ditto.
7238 * cfghooks.c: Ditto.
7239 * cfgloopanal.c: Ditto.
7240 * objc/objc-act.c: Ditto.
7242 * genextract.c: Ditto.
7243 * genautomata.c: Ditto.
7244 * pretty-print.c: Ditto.
7246 * cgraphunit.c: Ditto.
7249 * haifa-sched.c: Ditto.
7250 * dominance.c: Ditto.
7252 * tree-ssa-loop-ivopts.c: Ditto.
7254 * mode-switching.c: Ditto.
7255 * modulo-sched.c: Ditto.
7257 * ipa-pure-const.c: Ditto.
7259 * fix-header.c: Ditto.
7261 * tree-stdarg.c: Ditto.
7262 * ipa-utils.c: Ditto.
7263 * loop-init.c: Ditto.
7264 * ipa-inline.c: Ditto.
7267 * alloc-pool.c: Ditto.
7268 * dwarf2out.c: Ditto.
7270 * genattrtab.c: Ditto.
7271 * tree-ssa-loop-ivcanon.c: Ditto.
7275 * fortran/gfortranspec.c: Ditto.
7277 * local-alloc.c: Ditto.
7278 * langhooks.c: Ditto.
7279 * function.c: Ditto.
7280 * tree-vectorizer.c: Ditto.
7282 * ipa-type-escape.c: Ditto.
7284 * tree-if-conv.c: Ditto.
7287 * tree-data-ref.c: Ditto.
7288 * loop-unroll.c: Ditto.
7289 * treelang/treetree.c: Ditto.
7292 * ggc-common.c: Ditto.
7294 * coverage.c: Ditto.
7296 * tree-cfgcleanup.c: Ditto.
7297 * tree-ssa-pre.c: Ditto.
7298 * cfgcleanup.c: Ditto.
7299 * loop-invariant.c: Ditto.
7301 * ipa-prop.c: Ditto.
7302 * print-tree.c: Ditto.
7303 * conflict.c: Ditto.
7304 * ggc-page.c: Ditto.
7305 * sched-deps.c: Ditto.
7306 * regclass.c: Ditto.
7307 * tree-object-size.c: Ditto.
7309 * bb-reorder.c: Ditto.
7310 * resource.c: Ditto.
7311 * var-tracking.c: Ditto.
7313 * df-problems.c: Ditto.
7314 * reg-stack.c: Ditto.
7317 * sched-rgn.c: Ditto.
7318 * tree-ssa-structalias.c: Ditto.
7319 * tree-ssa-reassoc.c: Ditto.
7320 * config/darwin-c.c: Ditto.
7321 * config/darwin.c: Ditto.
7322 * config/arm/arm.c: Ditto.
7324 * collect2.c: Ditto.
7327 2006-01-31 Nicolas Pitre <nico@cam.org>
7329 * arm.md (smaxsi3): Make aware of smax_m1.
7332 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7334 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7336 2006-01-31 Richard Guenther <rguenther@suse.de>
7338 * doc/invoke.texi (-msselibm): Document.
7339 * target.h (expand_library_builtin): New target hook.
7340 * builtins.c (expand_builtin): Use expand_library_builtin.
7341 (default_expand_library_builtin): New function.
7342 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7343 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7344 (link_gcc_math_spec): Declare.
7345 (static_specs): Add link_gcc_math_spec.
7346 * expr.h (default_expand_library_builtin): Declare.
7347 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7348 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7349 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7350 * config/i386/i386.opt (msselibm): New target option.
7351 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7352 (ix86_init_sse_abi_builtins): New function.
7353 (ix86_expand_library_builtin): Likewise.
7354 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7355 (override_options): Handle error conditions wrt -msselibm.
7356 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7357 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7358 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7361 2006-01-31 Richard Guenther <rguenther@suse.de>
7362 Paolo Bonzini <bonzini@gnu.org>
7364 * doc/install.texi (--disable-libgcc-math): Document.
7366 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7368 * expr.h (expand_normal): new inline function.
7369 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7371 * dwarf2out.c: use it.
7376 * config/sparc/sparc.c: use it.
7377 * config/i386/i386.c: use it.
7378 * config/rs6000/rs6000.c: use it.
7379 * config/arm/arm.c: use it.
7380 * config/mips/mips.c: use it.
7381 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7383 2006-01-30 Roger Sayle <roger@eyesopen.com>
7385 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7386 argv to the appropriate type.
7388 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7390 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7393 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7396 * config/s390/s390.c (struct machine_function): New flag
7397 decomposed_literal_pool_addresses_ok_p.
7398 (s390_reorg): Set it before final stage of literal pool transforms.
7399 (s390_decompose_address): Only accept displacements of the form
7400 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7402 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7404 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7405 the comparison routine return.
7407 2006-01-30 Michael Matz <matz@suse.de>
7409 * global.c (find_reg): Only evict for global regs.
7410 Take n_refs into account and dump more info.
7412 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7415 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7416 (pragma_trap, pragma_nosave_low_regs): Likewise.
7417 (current_function_anonymous_args): Likewise.
7418 (sh_deferred_function_attributes): New variable.
7419 (sh_deferred_function_attributes_tail): Likewise.
7420 (print_operand): For '@', look up trap_exit attribute.
7421 (calc_live_regs): Look up trapa_handler attribute. For trapa
7422 handlers, save/restore fpscr, but don't do any other
7423 interrupt-specific saves.
7424 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7425 Fix check for partially saved registers to check for SHmedia.
7426 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7427 (sh_output_function_epilogue): Don't clear any of the removed
7429 (sh_insert_attributes): Don't check pragma_interrupt.
7430 Insert deferred attributes. Check that interrupt attribute is
7431 present for other attributes that require its presence.
7432 (sh_attribute_table): Add new attributes trapa_handler and
7434 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7435 Don't check for pragma_interrupt. Don't store argument.
7436 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7437 (sh_deferred_function_attributes): Declare.
7438 (sh_deferred_function_attributes_tail): Likewise.
7439 * sh.md (sp_switch_1): Add operand. Change generator caller.
7440 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7441 (*return_i): Don't use when trap_exit attribute is in effect.
7442 (*return_trapa): New insn pattern.
7444 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7445 setting c_target_objs and cxx_target_objs.
7446 * t-sh: Add rule for sh-c.o.
7448 2006-01-30 Richard Guenther <rguenther@suse.de>
7451 * gimplify.c (gimplify_target_expr): Handle easy cases
7452 without creating a temporary.
7454 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7456 * vec.h (safe_grow): Remove duplicated line.
7458 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7461 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7462 (expand_omp): ... here.
7463 (expand_omp_parallel): Only remove barriers for combined
7464 parallel+workshare constructs.
7466 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7470 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7471 * tree.c (build_qualified_type): Chain the new type to the original
7472 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7473 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7474 (build_pointer_type_for_mode): Only return unqualified types.
7475 (build_reference_type_for_mode): Likewise.
7477 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7479 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7480 * Makefile.in (CXX_COMPAT_WARN): Define.
7481 * configure: Regenerate.
7483 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7486 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7489 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7491 * toplev.c: Fix thinko.
7493 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7494 Marcin Dalecki <martin@dalecki.de>
7496 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7497 (push_srcloc): Use XNEW.
7498 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7500 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7502 * df-core.c (df_set_blocks): Deleted all variable.
7504 2006-01-28 Ian Lance Taylor <ian@airs.com>
7506 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7507 cgraph_output_pending_asms.
7509 2006-01-28 Zack Weinberg <zackw@panix.com>
7511 * c.opt: Add -W(no-)overlength-strings.
7512 * doc/invoke.texi: Document it.
7513 * c-opts.c (c_common_handle_option): -pedantic implies
7514 -Woverlength-strings, if not explicitly disabled already.
7515 (c_common_post_options): -Woverlength-strings defaults to off, and
7516 is always off for C++.
7517 * c-common.c (fix_string_type): Issue warning about strings longer
7518 than is portable only if warn_overlength_strings. Rearrange code
7519 a little for clarity.
7520 * configure.in: Check for -Wno-overlength-strings as well before
7521 enabling -pedantic in stage 1.
7522 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7523 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7525 * genconditions.c (write_header, write_one_condition)
7526 (write_conditions, write_writer): Consolidate very long strings
7527 that were broken up to fit in C89 portable limit. Don't use
7528 printf when fputs will do.
7530 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7532 * combine.c (simplify_comparison <AND>): Check
7533 TRULY_NOOP_TRUNCATION before start using a subreg.
7535 * config/mips/mips.md (*branch_zero<mode>,
7536 *branch_zero<mode>_inverted, *branch_equality<mode>,
7537 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7538 Remove mode check from comparisons.
7540 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7542 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7544 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7546 * expmed.c (const_mult_add_overflow_p): Remove.
7547 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7549 * recog.c (validate_replace_rtx_subexp): Remove.
7550 * recog.h: Remove the prototype for
7551 validate_replace_rtx_subexp.
7553 * integrate.h: Remove the prototype for
7554 copy_decl_for_inlining.
7555 * rtl.h: Remove the prototype for mark_constant_function.
7556 * tree-vectorizer.h: Remove the prototype for
7557 vect_strip_conversion.
7559 * modulo-sched.c (create_partial_schedule,
7560 free_partial_schedule, reset_partial_schedule): Make them
7563 * hooks.c (hook_bool_rtx_int_false): Remove.
7564 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7566 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7568 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7569 and -mlong-double-128 are incompatible.
7570 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7571 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7572 (TARGET_LIBGCC2_CFLAGS): Define.
7573 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7574 (TARGET_LIBGCC2_CFLAGS): Same.
7575 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7577 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7580 * c-typeck.c (build_binary_op): Perform implicit casts of
7581 operands before shortening them.
7583 * cfgloopmanip.c (split_loop_bb): Remove.
7584 * cfgloop.h: Remove the prototype for split_loop_bb.
7586 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7587 * cfgloop.h: Remove the prototype for
7588 flow_loop_outside_edge_p.
7590 * emit-rtl.c (init_virtual_regs): Make it static.
7591 * function.h: Remove the prototype for init_virtual_regs.
7593 * recog.c (peephole2_optimize): Make it static.
7594 * recog.h: Remove the prototype for peephole2_optimize.
7596 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7598 * df-scan.c (df_record_entry_block_defs): Check if
7599 INCOMING_RETURN_ADDR_RTX is defined.
7601 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7602 Kenneth Zadeck <zadeck@naturalbridge.com>
7604 PR rtl-optimization/24762
7605 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7606 * targhooks.c (hook_void_bitmap): New hook prototype.
7607 * targhoohs.h (hook_void_bitmap): Ditto.
7608 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7609 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7610 * target.h (live_on_entry): New function pointer.
7611 * df-scan.c (df_all_hard_regs): Removed.
7612 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7613 (df_scan_free_internal): Added df->entry_block_defs.
7614 (df_scan_alloc): Ditto.
7615 (df_scan_dump): Ditto.
7616 (df_uses_record): Plumbed flag field properly thru calls.
7617 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7618 This part fixes PR24762.
7619 (df_bb_refs_record): Added code to make the frame and arg
7620 pointers live in EH blocks.
7621 (df_refs_record): Added call to df_record_entry_block_defs.
7622 (df_record_entry_block_defs): New function.
7623 * df-core.c: Added comments to describe new artifical defs.
7624 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7625 (entry_block_defs): New field in struct df.
7626 (df_all_hard_regs): Deleted.
7627 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7628 * df-problems.c (df_ru_bb_local_compute_process_def):
7629 Added code to handle artifical defs in the entry to a function.
7630 (df_ru_bb_local_compute): Ditto.
7631 (df_rd_bb_local_compute_process_def): Ditto.
7632 (df_rd_bb_local_compute): Ditto.
7633 (df_lr_bb_local_compute): Ditto.
7634 (df_ur_bb_local_compute): Ditto.
7635 (df_urec_bb_local_compute): Ditto.
7636 (df_chain_create_bb): Ditto.
7637 (df_ur_local_finalize): Removed entry.
7638 (df_urec_init): Ditto.
7639 (df_urec_local_finalize): Ditto.
7640 (df_ri_bb_compute): Added detection of last use of pseudos.
7641 * Makefile.in (df-scan.o): Updated dependencies.
7642 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7643 * config/mips/mips.c (mips_set_live_on_entry): Added.
7644 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7646 * dce.c (marked_insn_p): Added code to handle artifical defs.
7648 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7650 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7652 (_mm_cvtsi128_si64): Likewise.
7653 (_mm_cvtsd_si64): Likewise.
7654 (_mm_cvttsd_si64): Likewise.
7655 (_mm_cvtsi64_sd): Likewise.
7656 (_mm_cvtsi64_si128): Likewise.
7657 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7658 (_mm_cvtsi64_m64): Likewise.
7659 (_m_to_int64): Likewise.
7660 (_mm_cvtm64_si64): Likewise.
7661 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7662 (_mm_cvttss_si64): Likewise.
7663 (_mm_cvtsi64_ss): Likewise.
7664 (_mm_cvtss_f32): Likewise.
7666 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7668 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7669 for pragma redefine_extname.
7671 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7674 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7675 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7676 -mno-minimal-toc to previous content.
7677 (bispecs): Remove goal.
7678 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7679 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7680 compatibility aliases on powerpc-*-*gnu*.
7681 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7682 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7683 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7684 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7685 (ldblspecs): New goal.
7686 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7687 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7689 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7690 L_sf_to_tf or L_df_to_tf is defined.
7692 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7693 Alan Modra <amodra@bigpond.net.au>
7696 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7697 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7698 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7699 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7700 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7701 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7702 (rs6000_override_options): Initialize rs6000_ieeequad.
7703 Initialize TFmode format to ibm_extended_format if not
7705 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7707 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7708 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7709 (function_arg_advance): IBM long double passed in two FPRs, not
7711 (function_arg): IBM long double passed in FPRs.
7712 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7713 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7714 Only multireg GPR aligned.
7715 (rs6000_init_libfuncs): Enable IBM long double functions if not
7717 (rs6000_generate_compare): Use IBM long double compare if not
7719 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7720 (TARGET_IEEEQUAD): Define.
7721 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7722 not TARGET_IEEEQUAD.
7723 * config/rs6000/rs6000.md: Enable TFmode patterns if
7725 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7726 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7727 and -mlong-double-128 are incompatible.
7728 * doc/invoke.texi (-mabi): Collect options together. Add
7729 ibmlongdouble and ieeelongdouble.
7731 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7733 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7735 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7736 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7737 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7738 * rtl.h (rtunion_def): Remove rt_ptr.
7740 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7741 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7742 * config/i386/winnt.c (i386_pe_mark_dllexport)
7743 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7745 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7747 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7749 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7753 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7754 pthread_key_delete. From John David Anglin. gthrw-ify
7755 pthread_getunique_np only if it it's not a macro. Delete
7757 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7758 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7759 __gthread_objc_condition_signal, __gthread_key_delete): Add
7760 "__attribute__ ((__unused__))" to unused arguments.
7761 (__gthread_recursive_mutex_init_function): Add missing return.
7762 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7763 gthr-posix95.h: Use macro-based approach for name redirection
7764 on targets missing weakref.
7766 2006-01-26 Zack Weinberg <zackw@panix.com>
7768 * genconditions.c (write_header): In generated code, #ifdef out
7769 all includes and fake declarations, except includes of bconfig.h
7770 and system.h, unless GCC_VERSION >= 3001. Do not include
7771 gensupport.h in any case.
7772 (write_conditions): Generate a definition of struct c_test. Add
7773 a comment to the generated #endif.
7774 (write_one_condition): Escape backslashes in string too.
7775 (write_writer): Generated code must escape backslashes and quote
7776 marks (but not newlines) in the strings it writes.
7777 * Makefile.in (build/gencondmd.o): Update dependencies.
7779 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7782 * Makefile.in (insn-automata.o): Add header file dependencies.
7783 * genautomata.c: Add includes.
7785 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7788 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7790 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7792 * configure.ac: Expect target tools paths to be passed from the toplevel
7793 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7795 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7797 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7800 * c.opt (Wpointer-sign): Init to -1.
7801 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7802 OPT_pedantic, to 0 otherwise.
7803 * doc/invoke.texi: Update.
7805 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7807 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7808 constants provided by 80387 instructions in the destination mode.
7810 2006-01-26 Richard Guenther <rguenther@suse.de>
7811 Andrew Pinski <pinskia@physics.uc.edu>
7814 partial PR tree-opt/17064
7815 * tree-ssa-structalias.c (intra_create_variable_infos):
7816 Create heap variables for incoming parameters if
7817 flag_argument_noalias > 1.
7818 (find_what_p_points_to): Look through default defs of
7821 2006-01-26 Jeff Law <law@redhat.com>
7824 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7825 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7826 within the VR_RANGE, use the VR_RANGE as the result, not the
7828 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7829 bounds for the type.
7831 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7833 * tree-ssa-alias.c (maybe_create_global_var): Change
7834 subvar walking to an assertion that we don't have subvar'd variables.
7836 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7839 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7840 Use a new variable, inner. PARM_DECLs are always non-weak.
7842 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7844 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7847 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7849 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7851 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7853 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7854 (smax_insn, smin_insn, smax_0, smin_0): New.
7856 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7859 * config/cris/cris.c (cris_order_for_addsi3): New function.
7860 * config/cris/cris-protos.h: Prototype it.
7861 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7862 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7863 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7864 (split for "op.S1 [rx=rx+i],ry (swapped)")
7865 (split for "op(s|u).S1 [rx=rx+i],ry")
7866 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7867 Apply cris_order_for_addsi3 when generating addsi3 insns.
7869 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7871 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7872 (TREE_BLOCK): Add call to EXPR_CHECK.
7874 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7877 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7878 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7879 (dump_omp_clauses): ... here.
7880 (dump_generic_node): Handle OMP_CLAUSE.
7881 * tree.c (omp_clause_num_ops): New.
7882 (omp_clause_code_name): New.
7883 (tree_code_size): Handle OMP_CLAUSE.
7884 (tree_size): Likewise.
7885 (make_node): Document handling of OMP_CLAUSE.
7886 (tree_node_structure): Handle OMP_CLAUSE.
7887 (omp_clause_check_failed): New.
7888 (omp_clause_range_check_failed): New.
7889 (omp_clause_operand_check_failed): New.
7890 (build_omp_clause): New.
7891 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7892 * tree.h (enum omp_clause_code): Declare.
7893 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7894 (OMP_CLAUSE_RANGE_CHECK): Define.
7895 (OMP_CLAUSE_ELT_CHECK): Define.
7896 (omp_clause_check_failed): Declare.
7897 (omp_clause_operand_check_failed): Declare.
7898 (omp_clause_range_check_failed): Declare.
7899 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7900 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7901 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7902 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7903 (OMP_CLAUSE_IF_EXPR): Likewise.
7904 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7905 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7906 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7907 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7908 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7909 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7910 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7911 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7912 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7913 (OMP_CLAUSE_CODE): Define.
7914 (OMP_CLAUSE_SET_CODE): Define.
7915 (OMP_CLAUSE_CODE): Define.
7916 (OMP_CLAUSE_OPERAND): Define.
7917 (struct tree_omp_clause): Declare.
7918 (union tree_node): Add field 'omp_clause'.
7919 * treestruct.def (TS_OMP_CLAUSE): Define.
7920 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7921 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7922 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7923 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7924 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7925 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7926 (OMP_CLAUSE): Define.
7927 * print-tree.c (print_node): Handle OMP_CLAUSE.
7928 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7929 * c-typeck.c: Likewise.
7930 * gimplify.c: Likewise.
7931 * c-omp.c: Likewise.
7932 * tree-nested.c: Likewise.
7933 * tree-inline.c: Likewise.
7934 * c-parser.c: Likewise.
7935 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7938 2006-01-25 Roger Sayle <roger@eyesopen.com>
7940 PR rtl-optimization/25703
7941 * combine.c (try_combine): Handle zero_extract and strict_low_part
7942 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7944 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7946 * global.c: Fix comment typos.
7948 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7951 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7952 Use output_addr_const instead of assemble_name.
7954 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7956 * Makefile.in (sched-vis.o): Update dependencies.
7957 * haifa-sched.c (sched_finish): Clear current_sched_info.
7958 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7959 (dump_flow_info): Call it.
7960 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7962 * basic-block.h (dump_bb_info): Declare.
7963 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7964 option, and apply options only for dump files whose TDF_RTL,
7965 TDF_TREE, or TDF_IPA bits match.
7966 * rtl.h: Declare new functions exported from sched-vis.c.
7967 * sched-vis.c: Enable also if scheduling is not used.
7968 (print_value): Print the mode of registers if not inside scheduling.
7969 (print_insn): Make it work outside the scheduler. Beautify the output
7971 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7973 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7975 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7976 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7977 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7978 depending on the value of CONSTANT_POOL_ADDRESS_P.
7979 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7981 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7982 rather than SYMBOL_REF_DECL.
7983 (rtx_constant_pool): Remove const_rtx_sym_htab.
7984 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7985 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7986 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7987 Remove handling of const_rtx_sym_htab.
7988 (find_pool_constant): Delete.
7989 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7990 rather than find_pool_constant.
7991 (get_pool_constant_for_function): Delete.
7992 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7994 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7995 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7996 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7997 (SYMBOL_REF_CONSTANT): New macro.
7998 (get_pool_constant_for_function): Delete.
7999 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8000 rather than SYMBOL_REF_DECL.
8001 (i386_pe_mark_dllimport): Likewise.
8002 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8003 rather than SYMBOL_REF_DECL.
8004 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8005 (machopic_indirect_call_target): Likewise.
8007 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8009 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8011 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8013 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8015 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8017 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8019 2006-01-24 David Daney <ddaney@avtrex.com>
8022 * configure.ac (enable_tls): New enable option.
8023 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8024 * configure: Regenerate.
8025 * doc/install.texi (--enable-tls): Document new option.
8026 (--disable-tls): Ditto.
8028 2006-01-24 Richard Henderson <rth@redehat.com>
8030 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8031 * alias.c (true_dependence): Respect it.
8032 (canon_true_dependence, write_dependence_p): Likewise.
8033 * builtins.c (get_builtin_sync_mem): Set it.
8035 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8037 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8040 2006-01-24 DJ Delorie <dj@redhat.com>
8042 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8043 for storing constants in single-bit bitfields.
8045 2006-01-25 Ben Elliston <bje@au.ibm.com>
8047 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8049 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8052 * tree-ssa-pre.c (phi_translate): Return NULL
8053 for AGGREGATE_TYPE's.
8055 2006-01-24 Zack Weinberg <zackw@panix.com>
8057 * genautomata.c (process_state_for_insn_equiv_partition):
8058 Use xcalloc for insn_arcs_array.
8059 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8060 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8062 2006-01-24 Richard Henderson <rth@redhat.com>
8064 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8067 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8069 PR rtl-optimization/25890
8070 PR rtl-optimization/25905
8071 * combine.c (expand_compound_operation, expand_field_assignment):
8072 Fail if the bitfield's final position is out of bounds.
8074 2006-01-24 Ian Lance Taylor <ian@airs.com>
8077 * cgraphunit.c (cgraph_output_in_order): Don't clear
8078 cgraph_asm_nodes until after asm strings have been output.
8080 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8082 * fix-header.c (read_scan_file): Add new parameter imultilib when
8083 calling register_include_chains.
8085 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8087 * omp-low.c: Update documentation.
8089 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8090 Daniel Berlin <dberlin@dberlin.org>
8094 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8095 return from the function.
8097 2006-01-22 Zack Weinberg <zackw@panix.com>
8099 * rtl.def (match_code): Add second argument.
8100 * genpreds.c (write_extract_subexp): New function.
8101 (write_match_code): Add path argument. Use write_extract_subexp.
8102 (write_predicate_expr): Pass path to write_match_code.
8103 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8104 not perform a mode test.
8105 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8106 a subexpression does not constrain the top-level code set.
8107 * read-rtl.c (read_rtx_variadic): New function.
8108 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8109 * doc/md.texi: Document new notation.
8110 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8111 (cmpsi_operand): ... here, using new notation.
8113 2006-01-22 Zack Weinberg <zackw@panix.com>
8115 * varray.c: Remove GENERATOR_FILE #ifdefs.
8117 2006-01-22 Zack Weinberg <zackw@panix.com>
8119 * genautomata.c (output_reserved_units_table): Emit nothing if
8120 description->query_units_num is zero. Remove extra blank line.
8121 (output_cpu_unit_reservation_p): Short circuit
8122 if description->query_units_num is zero.
8124 2006-01-22 Zack Weinberg <zackw@panix.com>
8126 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8127 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8128 nor any of the random handful of variables that used to be necessary
8129 when this program was linked with rtlanal.o. Prune set of forward
8130 function declarations.
8131 (struct attr_desc): Remove static_p field.
8132 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8133 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8134 (attr_string): Do not read the character one past the length of
8136 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8137 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8138 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8139 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8140 (make_automaton_attrs): New.
8141 (main): Do not call into genautomata. Call local gen_bypass
8142 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8143 Remove special case for insn_alts.
8144 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8145 varray.h (leftover from previous change). Prune set of forward
8146 function declarations. Remove state_alts fields from all
8147 structures. Remove state_alts_table from struct automaton.
8148 Make everything except main static. Do not maintain num_dfa_decls.
8149 Do not maintain state_alts fields of various structures.
8150 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8151 (add_arc): Remove state_alts argument. All callers updated.
8152 (output_reserved_units_table): Emit #ifdef here...
8153 (output_tables): ...not here. Don't generate state_alts tables.
8154 (expand_automata): Don't generate attributes.
8155 (write_automata): Don't generate state_alts functions.
8156 (main): New function.
8157 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8158 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8159 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8160 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8161 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8162 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8163 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8164 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8166 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8167 * genattrtab.h: Delete file.
8168 * Makefile.in (OBJS-common): Add insn-automata.o.
8169 (insn-automata.o): New rule.
8170 (simple_generated_c): Add insn-automata.c.
8171 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8172 (genprogmd): Add automata.
8173 (build/genattrtab): Needs no extra objects nor libraries.
8174 (build/genautomata): Needs build/vec.o and -lm.
8176 2006-01-22 Zack Weinberg <zackw@panix.com>
8178 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8179 (output_dfa_max_issue_rate, locked_states_num): Delete.
8180 (struct automaton): Add locked_states field.
8181 (output_dead_lock_vect): Save number of locked states in
8182 automaton->locked_states. If it is zero, don't print anything.
8183 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8184 (output_internal_dead_lock_func): Only test the dead_lock_vect
8185 for automata that have locked states.
8186 (output_statistics): Always print the number of locked states for
8187 each automaton. Calculate total number of locked states here.
8188 (write_automata): Don't call output_dfa_max_issue_rate.
8189 * genattrtab.c: Define length_unit_log as a const variable.
8190 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8191 max_insn_queue_index const.
8192 * final.c (length_unit_log): Declare const.
8193 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8195 2006-01-22 Zack Weinberg <zackw@panix.com>
8197 * genautomata.c: Include vec.h, not varray.h.
8198 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8199 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8200 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8201 VEC_* macros operating on appropriately typed vectors, or to
8202 malloced arrays when the size is known in advance. Const-ify
8203 many char* variables and function arguments. No functional changes.
8204 * Makefile.in (build/varray.o): Delete rule.
8205 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8206 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8208 2006-01-22 Zack Weinberg <zackw@panix.com>
8210 * gensupport.c: Define get_insn_name and record_insn_name here.
8211 (read_md_rtx): Call record_insn_name as appropriate.
8212 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8213 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8214 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8216 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8217 (BUILD_VARRAY): Delete.
8218 (genprognormal): Rename genprogmd. Fold in all programs from
8219 genprognoprint; also attrtab.
8220 (build/genattrtab): Just mention genautomata.o and varray.o.
8221 Reorganize a bit, add comments to make the categories clearer.
8223 2006-01-22 Zack Weinberg <zackw@panix.com>
8225 * genconditions.c (condition_table, add_condition): Delete.
8226 (write_conditions): Don't emit n_insn_conditions nor
8227 insn_elision_unavailable. Issue the gcc version #ifdef here,
8228 inside the table, with no #else clause ...
8229 (write_header): ...not here.
8230 (write_writer): New function.
8231 (main): Don't initialize condition_table. Use add_c_test.
8233 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8234 files on the command line.
8235 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8236 Return -1 if there is no entry in the table, don't abort.
8237 (add_c_test, traverse_c_tests): New functions.
8238 * gensupport.h (insn_elision_unavailable, insn_conditions)
8239 (n_insn_conditions): Delete declarations.
8240 (add_c_test, traverse_c_tests): Declare.
8241 * read-rtl.c: Include gensupport.h.
8242 (read_conditions): New function.
8243 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8244 (read_rtx_1): If we get EOF when we were looking for an initial
8245 open paren, return 0. Call read_conditions when appropriate.
8246 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8247 dummy-conditions.o. Eliminate references to insn-conditions.o,
8248 or change them to build/gencondmd.o, as appropriate. Remove
8249 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8250 from $(simple_generated_c). For all files remaining in those
8251 two lists, add insn-conditions.md to the generator command line.
8252 Give insn-constants.h/s-constants their own rules. Add rules
8253 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8254 (build/read-rtl.o): Depend on gensupport.h.
8255 (genprognormal): Include preds.
8256 (genprogearly): Rename genprognoprint; only difference is now that
8257 they don't link with $(BUILD_PRINT).
8258 * dummy-conditions.c: Delete.
8260 2006-01-22 Zack Weinberg <zackw@panix.com>
8262 * genextract.c: Don't include insn-config.h. Do include vec.h.
8263 Declare vectors of int, char, and locstr.
8264 (locstr): New typedef.
8265 (struct extraction): Make all array fields into bare pointers.
8266 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8267 (insn_code_number): Delete.
8268 (accum_extract): New struct.
8269 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8270 (gen_insn): Take insn_code_number as an argument. Use an
8271 accum_extract structure instead of loading data directly into
8272 a struct extraction, and having to know how big it might get.
8273 (walk_rtx): Operate entirely on an accum_extract structure.
8274 (print_path): Avoid unnecessary use of printf.
8275 (print_header): New function, split out of main. Distinguish
8276 more carefully between an unrecognizable insn and an insn that
8277 has the code number of a define_expand.
8278 (main): Pass insn_code_number to gen_insn. Call print_header
8279 only after parsing. Avoid unnecessary use of printf.
8280 * Makefile.in (build/vec.o): New rule.
8281 (build/genextract): Depend on build/vec.o.
8282 (build/genextract.o): Don't depend on insn-config.h.
8284 2006-01-22 Zack Weinberg <zackw@panix.com>
8286 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8287 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8288 practical. Eliminate per-generator-program link rules.
8290 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8293 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8294 with a call expr to ...
8295 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8297 2006-01-23 Richard Guenther <rguenther@suse.de>
8299 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8300 before make_edge with conditional EDGE_TRUE_VALUE.
8302 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8303 Jan Hubicka <jh@suse.cz>
8304 Richard Guenther <rguenther@suse.de>
8306 PR rtl-optimization/25654
8307 * cfgexpand.c (aggregate_contains_union_type): New function.
8308 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8309 for structure variables that contain a union type.
8311 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8313 * gengtype.c (new_structure): Return the structure.
8314 (create_option): Add an extra "next" argument.
8315 (create_field): New function.
8316 (adjust_field_rtx_def): Use create_option and create_field.
8317 Remove a now-unnecessary call to find_structure.
8318 (adjust_field_tree_def): Likewise.
8319 (note_yacc_type): Remove an unnecessary call to find_structure.
8320 * gengtype.h (new_structure): Return the structure.
8321 (create_option): Add an extra argument.
8322 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8323 (option): Adjust calls to create_option.
8325 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8327 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8329 2006-01-22 Paul Brook <paul@codesourcery.com>
8330 Peter Barada <peter@the-baradas.com>
8332 * config/m68k/m68k.md: Add Coldfire FPU support.
8333 Define FP mode macro and associated attributes.
8334 Use it for float mode patterns.
8335 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8336 (LIBCALL_VALUE): Use m68k_libcall_value.
8337 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8338 (m68k_function_value): Ditto.
8339 (emit_move_sequence): Ditto.
8340 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8341 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8342 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8343 (MULTILIB_EXCEPTIONS): Ditto.
8344 * config/m68k/m68k.opt: Add mcfv4e.
8345 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8346 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8347 (m68k_output_function_prologue): Save ColdFire FPU registers.
8348 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8349 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8350 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8351 ColdFire FPU registers.
8352 (m68k_libcall_value, m68k_function_value): New functions.
8353 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8354 (LIBCALL_VALUE): Use m68k_libcall_value.
8355 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8356 (MASK_COLDFIRE): Add MASK_CFV4E.
8357 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8358 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8359 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8360 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8361 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8362 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8363 * doc/invoke.tex: Document -mcfv4e on m68k.
8365 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8367 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8370 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8373 * c-opts.c (c_common_handle_option): Don't include
8374 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8375 * doc/invoke.texi (C++ Dialect Options): Document that
8376 -Wnon-virtual-dtor is no longer included in -Wall.
8378 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8380 * gcov.c (print_version), gcov-dump.c (print_version),
8381 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8384 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8386 * df-scan.c (problem_SCAN): Added NULL reset function.
8387 (df_scan_reset_blocks): Added code to call reset block function
8388 (df_bb_refs_delete) Fixed comment.
8389 (df_insn_refs_delete): Made tolerant of deleting non existent info
8390 for dataflow problems that need to be reset.
8391 * df-core.c (df_set_blocks): Ditto.
8392 * df.h (struct df_problem): Added reset_fun.
8393 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8394 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8395 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8396 functions to clear out all references to def-use or use-def chains.
8398 2006-01-21 Ben Elliston <bje@au.ibm.com>
8400 * varasm.c (assemble_real): Initialise data array.
8402 2006-01-20 Paul Brook <paul@codesourcery.com>
8404 Merge from csl-arm-branch.
8405 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8406 * config/arm/arm.md (movdi): Force operands[1] to a register
8407 if we have a non-register source.
8408 (*arm_movdi, *movdf_soft_insn): Require that one of the
8409 operands be a register.
8410 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8411 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8413 2006-01-20 DJ Delorie <dj@redhat.com>
8415 * varasm.c (initialize_constant_valid_p): Allow pointers
8416 initialized from integer constants of lesser precision.
8417 (output_constant): Allow non-int-sized pointer modes to be
8418 initialized from integer constants.
8420 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8423 * cppdefault.h (struct default_include): Add multilib flag.
8424 * cppdefault.c (cpp_include_defaults): Set it.
8425 * c.opt (-imultilib): New option.
8426 * c-opts.c (imultilib): New.
8427 (c_common_handle_option): Handle -imultilib.
8428 (c_common_post_options): Likewise.
8429 * c-incpath.c (add_standard_paths, register_include_chains):
8431 * c-incpath.h (register_include_chains): Add extra parameter.
8432 * gcc.c (do_spec_1): Generate -imultilib option.
8433 (The Specs Language): Update %I description.
8434 (process_command): Update copyright notice.
8435 * doc/cppopts.texi (-imultilib): Document.
8436 * doc/invoke.texi (-imultilib): Include in option summary.
8437 (%I): Update specs documentation.
8439 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8441 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8443 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8445 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8448 2006-01-20 Richard Guenther <rguenther@suse.de>
8449 Steven Bosscher <stevenb.gcc@gmail.com>
8451 PR rtl-optimization/24626
8452 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8453 EDGE_TRUE_VALUE if in RTL mode.
8456 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8457 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8459 2006-01-20 Dirk Mueller <dmueller@suse.com>
8462 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8463 instead of a special NOP marker.
8464 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8465 NOP marker handling.
8466 * c-common.h (empty_body_warning): Add forward declaration.
8467 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8468 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8470 2006-01-20 Paul Brook <paul@codesourcery.com>
8472 * Makefile.in (lang_checks): Keep going if mkdir fails.
8474 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8476 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8477 be able to clean out basic block when not necessary.
8478 (df_scan_free): Fixed to properly delete information if df is
8479 unused before calling df_finish.
8480 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8481 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8483 (df_bb_refs_delete): New function.
8484 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8485 * df-core.c (df_set_blocks): Added code to properly clean out
8486 unused blocks if they are not part of the blocks to consider.
8487 Added additional null check.
8488 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8489 be able to clean out basic block when not necessary
8490 * df.h (df_free_bb_function): Ditto.
8491 (df_bb_refs_delete): New function.
8492 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8493 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8494 basic block parameter to be able to clean out basic block when not
8496 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8497 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8498 Fixed to properly delete information if df is unused before
8501 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8503 PR rtl-optimization/25799
8504 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8505 Corrected confluence operator to remove bits from op2 before oring
8506 with op1 rather than removing bits from op1.
8507 (df_ru_transfer_function): Corrected test on wrong bitmap which
8508 caused infinite loop. Both of these problems were introduced in
8509 the dataflow rewrite.
8511 2006-01-19 DJ Delorie <dj@redhat.com>
8513 * reload1.c (find_reload_regs): Note the details of reload
8514 failures in the dump file.
8515 (spill_failure): Likewise.
8517 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8519 * loop-iv.c: Include df.h and hashtab.h.
8520 (enum iv_grd_result): New enum.
8521 (DF_REF_IV, DF_REF_IV_SET): New macros.
8522 (struct biv_entry): New.
8523 (df, bivs): New global variables.
8524 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8525 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8527 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8528 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8529 analyzed_for_bivness_p, record_biv): New functions.
8530 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8531 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8532 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8534 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8536 (iv_number_of_iterations): Use new interface to iv analysis.
8537 * loop-unroll.c: Do not include varray.h.
8538 (analyze_iv_to_split_insn): Use new interface to iv
8540 * loop-unswitch.c (may_unswitch_on): Ditto.
8541 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8543 (df_bb_modify): Realloc tables to the new index.
8544 (df_find_use): New function.
8545 * df.h (df_find_use): Declare.
8546 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8548 * cfgloop.h (struct rtx_iv): Remove analysed field.
8549 (iv_get_reaching_def): Removed.
8550 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8551 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8552 (loop-iv.o): Add df.h and hashtab.h dependency.
8553 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8555 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8558 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8560 (__floatundisf, __floatundidf): Likewise.
8561 * libgcc2.h (IS_IBM_EXTENDED): Define.
8563 2006-01-19 DJ Delorie <dj@redhat.com>
8565 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8567 2006-01-19 Paul Brook <paul@codesourcery.com>
8569 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8570 as nothrow when unwinding tables are disabled.
8572 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8575 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8576 of bit-field" when in system header.
8578 2006-01-19 DJ Delorie <dj@redhat.com>
8580 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8581 the 16 bit shift limit of the m16c.
8583 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8586 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8587 * config/i386/i386.c (output_set_got): Output the label if we have one
8588 for the TARGET_DEEP_BRANCH_PREDICTION case.
8590 2006-01-19 Jan Hubicka <jh@suse.cz>
8591 H.J. Lu <hongjiu.lu@intel.com>
8592 Evandro Menezes <evandro.menezes@amd.com>
8594 * invoke.texi (generic): Document
8596 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8597 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8598 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8599 (x86_use_incdec, x86_pad_returns): New variables
8600 (TARGET_CPU_DEFAULT_generic): New constant
8601 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8602 (enum processor_type): Add generic32 and generic64.
8603 * i386.md (cpu attribute): Add generic32/generic64
8604 (movhi splitter): Behave sanely when both partial_reg_dependency and
8605 partial_reg_stall are set.
8606 (K8 splitters): Enable for generic as well.
8607 * predicates.md (incdec_operand): Use TARGET_INCDEC
8608 (aligned_operand): Avoid memory mismatch stalls.
8609 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8610 * ppro.md: Enable for generic32
8611 * i386.c (generic64_cost, generic32_cost): New.
8612 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8613 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8614 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8615 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8616 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8617 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8618 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8619 x86_accumulate_outgoing_args, x86_prologue_using_move,
8620 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8621 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8623 (x86_use_incdec, x86_pad_returns): New.
8624 (override_options): Add generic32 and generic64, translate "generic"
8625 to generic32/generic64 and "i686" to "generic32", refuse
8626 "generic32"/"generic64" as arch target.
8627 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8628 (ix86_reorg): Honor PAD_RETURNS.
8630 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8632 * tree-pretty-print.c (dump_generic_node): Handle
8633 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8634 * cgraph.c (cgraph_expand_queue): Rename from
8635 cgraph_analyze_queue. Update all users.
8636 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8637 cgraph_expand_queue.
8638 (cgraph_expand_all_functions): Likewise.
8639 (cgraph_finalize_pending_functions): Remove. Update callers.
8641 * tree.h (OMP_DIRECTIVE_P): Define.
8642 (OMP_PARALLEL_FN): Define.
8643 (OMP_PARALLEL_DATA_ARG): Define.
8644 (OMP_SECTIONS_SECTIONS): Define.
8645 * tree-pass.h (pass_expand_omp): Declare.
8646 * omp-low.c (struct omp_region): Declare.
8647 (struct omp_context): Remove fields 'parallel_type',
8648 'parallel_start_ix' and 'parallel_start_additional_args'.
8650 (struct omp_for_data): Rename from struct expand_omp_for_data.
8651 (omp_regions): New static variable.
8652 (root_omp_region): New static variable.
8653 (find_omp_clause): Make static.
8654 (is_in_combined_parallel_ctx): Remove.
8655 (is_combined_parallel): New.
8656 (extract_omp_for_data): Move earlier in the file.
8657 (workshare_safe_to_combine_p): New.
8658 (get_ws_args_for): New.
8659 (determine_parallel_type): Move earlier in the file.
8660 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8662 (omp_copy_decl): Likewise.
8663 (create_omp_child_function): Likewise.
8664 (lookup_omp_region): New.
8665 (dump_omp_region): New.
8666 (debug_omp_region): New.
8667 (debug_all_omp_regions): New.
8668 (new_omp_region): New.
8669 (scan_omp_parallel): If parallel_nesting_level > 1, the
8670 directive is nested within another parallel directive.
8671 Set OMP_PARALLEL_FN.
8672 (scan_omp_for): Do not try to handle combined parallel+for
8674 Remove FIXME comment.
8675 (scan_omp_nested): Remove.
8676 (scan_omp_1): Do not call scan_omp_nested when
8677 parallel_nesting_level is > 1.
8678 Do not change the DECL_CONTEXT of local variables found.
8679 (lookup_decl_in_outer_ctx): New.
8680 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8681 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8682 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8683 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8684 If CTX is nested, lookup VAR in the outer context when
8685 building copy assignment.
8686 (lower_send_clauses): Rename from expand_send_clauses.
8687 If CTX is nested, lookup VAR in the outer context when
8688 building copy assignments.
8689 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8690 If CTX is nested, lookup VAR in the outer context when
8691 building copy assignments.
8692 (expand_parallel_call): Rename from build_parallel_call.
8693 Handle combined parallel+workshare cases.
8694 Re-implement to emit code into the CFG.
8696 (expand_omp_parallel): Re-implement to emit code into the CFG.
8697 Call move_sese_region_to_fn to outline the sub-graph
8698 containing the parallel region.
8699 (expand_omp_for_1): Remove.
8700 (expand_omp_for_generic): Re-implement to emit code into the
8702 (expand_omp_for_static_nochunk): Likewise.
8703 (expand_omp_for_static_chunk): Likewise.
8704 (expand_omp_for): Likewise.
8705 (expand_omp_sections): Likewise.
8706 (remove_exit_barriers): New.
8707 (expand_omp_synch): New.
8709 (build_omp_regions_1): New.
8710 (build_omp_regions): New.
8711 (execute_expand_omp): New.
8712 (gate_expand_omp): New.
8713 (pass_expand_omp): Define.
8714 (lower_omp_sections): Rename from expand_omp_sections.
8715 Set OMP_SECTIONS_SECTIONS.
8716 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8717 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8718 (lower_omp_single): Rename from expand_omp_simple.
8719 (lower_omp_master): Rename from expand_omp_master.
8720 (lower_omp_ordered): Rename from expand_omp_ordered.
8721 (lower_omp_critical): Rename from expand_omp_critical.
8722 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8723 (lower_omp_for): Re-implement.
8724 (lower_omp_parallel): Re-implement.
8725 (lower_regimplify): Rename from expand_regimplify.
8726 (lower_omp_1): Rename from expand_omp_1.
8727 If there are syntax errors in the program, replace every
8728 OpenMP directive with NOP.
8729 Call lower_omp_* instead of expand_omp_*.
8730 (lower_omp): Rename from expand_omp.
8732 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8733 * tree-gimple.h (enum omp_parallel_type): Remove.
8734 (gimple_boolify): Declare extern.
8735 (find_omp_clause, determine_parallel_type): Remove.
8737 * gimple-low.c (lower_omp_directive): New.
8738 (lower_stmt): Call it.
8739 (record_vars_into): Move from ...
8740 (record_vars): ... here.
8741 Call record_vars_into with current_function_decl.
8743 * gimplify.c (struct gimplify_ctx): Remove fields
8744 combined_pre_p and combined_ctxp. Update users.
8745 (get_formal_tmp_var): Add documentation.
8746 (gimple_boolify): Make extern.
8747 (gimplify_expr_in_ctx): Remove. Update callers.
8748 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8749 will always be a BIND_EXPR.
8750 (gimplify_expr): Handle OMP_RETURN_EXPR.
8751 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8752 (OMP_PARALLEL): Add 3 operands.
8753 (OMP_SECTIONS): Add 1 operand.
8754 (OMP_RETURN_EXPR): Define.
8756 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8757 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8758 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8759 creating a circular free list.
8760 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8762 * tree-flow.h (move_sese_region_to_fn): Declare.
8763 (record_vars_into): Declare.
8764 * tree-cfg.c (make_omp_sections_edges): New.
8765 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8766 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8767 OMP_SECTIONS and OMP_SECTION.
8768 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8769 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8770 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8771 (gather_blocks_in_sese_region): New.
8772 (struct move_stmt_d): Declare.
8774 (move_block_to_fn): New.
8775 (move_sese_region_to_fn): New.
8777 * passes.c (init_optimization_passes): Schedule
8778 pass_expand_omp after pass_init_datastructures.
8780 * tree-ssa-operands.c (get_expr_operands): Handle
8781 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8782 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8784 2006-01-19 Jeff Law <law@redhat.com>
8786 * tree-vrp.c (extract_range_from_assert): Refine the result range
8787 if the variable referenced by the ASSERT_EXPR has a range and
8788 either the tentative result range or the previous range is a
8791 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8793 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8795 2006-01-19 Jan Hubicka <jh@suse.cz>
8797 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8799 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8801 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8802 (expand_compound_operation, expand_field_assignment): Fail if the
8803 bit lengths of an extract operation are out of range.
8804 (make_extraction): Compute wanted_inner_mode based on the position
8805 and length of the extraction. Make it extraction_mode for non-constant
8806 positions, and do not modify offset in that case. When generating a
8807 new MEM, use a mode that can hold the extraction while keeping correct
8808 alignment. Remove code that supported MEMs wrapped by USEs.
8809 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8811 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8813 * config/s390/s390.md ("Y", "y"): New mode attribute.
8814 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8815 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8816 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8817 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8818 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8819 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8820 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8821 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8822 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8823 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8824 "addsi3", "subsi3"): Insn patterns removed.
8825 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8826 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8827 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8828 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8829 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8830 "*sub<mode>3_cconly2"): New insn patterns.
8831 ("addsi3", "subsi3"): New expanders.
8833 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8835 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8836 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8837 existing STMT_VINFO_VECTYPE if available.
8838 (vect_mark_relevant): Add special handling for stmts that are
8839 marked as STMT_VINFO_IN_PATTERN_P.
8840 (vect_analyze_loop): Call vect_pattern_recog.
8841 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8842 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8844 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8845 (vect_recog_func_ptr): New function-pointer type.
8846 * tree-vect-patterns.c: New file.
8847 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8848 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8849 (vect_pattern_recog_1): New functions.
8850 (vect_pattern_recog_funcs): New array of function pointers.
8852 * tree-vectorizer.h (ternary_op): New enum value.
8853 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8854 declaration. Revised documentation. Removed redundant dump prints.
8855 Removed redundant argument. Added support for reduction patterns.
8856 (vectorizable_reduction): Added support for reduction patterns.
8857 (vect_transform_stmt): Added support for patterns.
8859 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8860 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8861 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8862 (expand_widen_pattern_expr): New function.
8863 (init_optabs): Initialize new optabs udot_prod_optab,
8865 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8866 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8867 (expand_widen_pattern_expr): New function declaration.
8868 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8870 * tree-inline.c (estimate_num_insns_1): Added cases for new
8871 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8872 * tree-pretty-print.c (dump_generic_node): Likewise.
8873 (op_prio): Likewise.
8874 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8875 * tree-ssa-operands.c (get_expr_operands): Added case for
8877 * tree-vect-patterns.c (widened_name_p): New function.
8878 (vect_recog_dot_prod_pattern): Added function implementation.
8879 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8880 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8881 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8882 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8884 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8885 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8886 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8887 (init_optabs): Initialize new optabs widen_ssum_optab,
8889 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8890 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8891 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8892 use instead of type of def.
8893 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8894 function implementation.
8895 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8896 widen_ssumv8hi): New.
8898 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8901 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8904 * c-decl.c (add_flexible_array_elts_to_size): New function.
8905 (finish_decl): Use it.
8907 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8909 * diagnostic.h: Include options.h.
8910 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8911 dependancies for diagnostic.h.
8912 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8914 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8916 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8917 (ssa_ro_call_cache_valid): Ditto.
8918 * tree-ssa-alias.c (sort_tags_by_id): New function.
8919 (init_transitive_clobber_worklist): Ditto.
8920 (add_to_worklist): Ditto.
8921 (mark_aliases_call_clobbered): Ditto.
8922 (compute_tag_properties): Ditto.
8923 (set_initial_properties): Ditto.
8924 (compute_call_clobbered): Ditto.
8925 (compute_may_aliases): Call compute_call_clobbered and grouping.
8926 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8927 (compute_flow_insensitive_aliasing): Grouping now happens in our
8929 (setup_pointers_and_addressables): Remove clobbering related code.
8930 (add_may_alias): Ditto.
8931 (replace_may_alias): Ditto.
8932 (get_nmt_for): Ditto.
8933 (create_global_var):
8934 (is_escape_site): Return an escape_type enumeration.
8935 * tree-flow-inline.h (is_call_clobbered): Global var does not
8936 imply call clobbered.
8937 (mark_call_clobbered): Take a reason for marking this. Remove
8938 marking of globalness, and cache invalidation.
8939 (clear_call_clobbered): Remove cache invalidation code.
8940 * tree-dfa.c (dump_variable): If details is on, dump the reason
8942 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8944 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8945 (struct var_ann_d): Ditto.
8946 (enum escape_type): New.
8947 (mark_call_clobbered): Adjust prototype.
8948 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8949 are never call clobbered.
8950 Record reasons for escaping.
8951 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8952 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8953 (ssa_ro_call_cache_valid): Ditto.
8954 (clobbered_v_may_defs): Ditto.
8955 (clobbered_vuses): Ditto.
8956 (ro_call_vuses): Ditto.
8957 (clobber_stats): New.
8958 (init_ssa_operands): Zero out clobber stats.
8959 (fini_ssa_operands): Print out clobber stats.
8960 (get_call_expr_operands): Pass callee fndecl to
8962 (add_call_clobber_ops): Remove use of cache.
8963 Add use of PURE_CONST information.
8964 (add_call_read_ops): Remove use of cache.
8965 Add use of static not_read information.
8967 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8969 Introduce TLS descriptors for i386 and x86_64.
8970 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8971 (TARGET_ANY_GNU_TLS): New macro.
8972 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8973 (struct machine_function): Add tls_descriptor_call_expanded_p.
8974 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8975 (ix86_current_function_calls_tls_descriptor): Likewise.
8976 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8977 (override_options): Introduce gnu2 tls dialect.
8978 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8980 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8982 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8983 (ix86_init_machine_status): Initialize new field.
8984 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8985 (ix86_tls_module_base): New.
8986 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8987 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8988 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8989 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8990 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8991 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8992 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8993 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8994 * config/i386/predicates.md (tls_modbase_operand): New.
8995 (tp_or_register_operand): New.
8997 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8999 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9000 (look_for_address_of): Ditto.
9001 (ipa_init): Walk the function decls.
9002 (static_execute): Don't set readonly on FUNCTION_DECL's.
9004 2006-01-18 Roger Sayle <roger@eyesopen.com>
9006 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9007 for shifts where the source and destination registers are different.
9009 2006-01-18 Paul Brook <paul@codesourcery.com>
9011 Merge from csl-arm-branch.
9012 2005-03-14 Julian Brown <julian@codesourcery.com>
9013 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9014 (aeabi_llsl): Likewise.
9015 (ashrdi3): Likewise.
9016 (aeabi_lasr): Likewise.
9017 (lshrdi3): Likewise.
9018 (aeabi_llsr): Likewise.
9019 2005-03-10 Julian Brown <julian@codesourcery.com>
9020 * config.gcc: Disable shared libgcc for SymbianOS.
9021 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9023 2006-01-18 DJ Delorie <dj@redhat.com>
9025 * c-pragma.c (handle_pragma_diagnostic): New.
9026 (init_pragma): Register it.
9027 * doc/extend.texi: Document it.
9029 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9030 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9031 (diagnostic_context): Add classify_diagnostic[].
9032 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9033 as errors if they're overridden to DK_WARNING.
9034 (diagnostic_initialize): Initialize classify_diagnostic[].
9035 (diagnostic_set_kind_override): New.
9036 (diagnostic_report_diagnostic): Check for kind changes.
9037 * opts.c (common_handle_option): Take lang_mask. Update callers.
9039 * common.opt (Werror=): New.
9040 * doc/invoke.texi: Document -Werror=*
9042 2006-01-18 Jeff Law <law@redhat.com>
9044 * tree-vrp.c (test_for_singularity): Correct test for new
9045 min limit. Use operand_equal_p rather than pointer equality
9046 for testing if new min/max values are equal.
9048 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9049 using range information until after propagation and folding.
9051 2006-01-18 Richard Henderson <rth@redhat.com>
9052 Aldy Hernandez <aldyh@redhat.com>
9053 Jakub Jelinek <jakub@redhat.com>
9054 Diego Novillo <dnovillo@redhat.com>
9056 * omp-low.c: New file.
9057 * c-omp.c: New file.
9059 2006-01-18 Richard Henderson <rth@redhat.com>
9060 Jakub Jelinek <jakub@redhat.com>
9061 Diego Novillo <dnovillo@redhat.com>
9063 * doc/invoke.texi: Document -fopenmp.
9064 * tree-dump.h (debug_function): Declare.
9065 * hooks.c (hook_bool_tree_bool_false): New function.
9066 (hook_tree_tree_null): Remove.
9067 (hook_tree_tree_tree_null): New.
9068 * hooks.h: Update to match.
9069 * tree-pretty-print.c (debug_tree_chain): New.
9070 (print_generic_expr): Handle TDF_CHAIN.
9071 (dump_generic_node): Handle BLOCK.
9072 Do not abort with incomplete SWITCH_EXPRs.
9073 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9074 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9075 print space after directive name.
9076 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9077 Handle OMP_MASTER and OMP_ORDERED.
9078 Handle printing of OMP_BODY just in one place, goto
9079 dump_omp_body in the rest of OMP_* nodes that have
9081 Don't handle clause nodes here. Update omp statements to
9082 use dump_omp_clauses.
9083 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9084 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9085 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9086 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9087 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9088 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9089 Adjust output for GOMP_PARALLEL.
9090 (dump_omp_clauses): New.
9091 (print_declaration): Dump DECL_VALUE_EXPR.
9092 (op_symbol_1): Split out of op_symbol.
9093 (dumping_stmts): Remove. Update all users.
9094 * cgraph.c (cgraph_analyze_queue): New.
9095 (cgraph_add_new_function): New.
9096 * cgraph.h (cgraph_analyze_queue): Declare.
9097 (cgraph_add_new_function): Declare.
9098 (cgraph_lower_function): Remove.
9099 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9100 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9101 and TYPE_P nodes in its default clause.
9102 (empty_body_p): New.
9103 (tree_range_check_failed): New.
9105 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9106 OMP_CLAUSE_REDUCTION_MERGE,
9107 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9108 OMP_CLAUSE_PRIVATE_DEBUG,
9109 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9110 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9111 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9112 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9113 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9114 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9115 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9116 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9117 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9118 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9119 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9120 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9121 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9122 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9123 (TREE_RANGE_CHECK): New.
9124 (empty_body_p): Declare.
9125 (enum omp_clause_default_kind): New.
9126 (build_string_literal): Declare.
9127 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9128 (build5_stat, build5): Declare.
9129 * tree-pass.h (TDF_CHAIN): Define.
9130 * tree-pass.h (PROP_gimple_lomp): Define.
9131 (pass_lower_omp): Declare.
9132 * diagnostic.h (debug_tree_chain): Declare.
9133 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9135 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9136 * builtins.c (build_string_literal): Make extern.
9137 * gcc.c (include_spec_function): New.
9138 (static_spec_functions): Add it.
9139 (main): Move load of libgomp.spec ...
9140 (LINK_COMMAND_SPEC): ... here.
9141 (link_gomp_spec): New.
9142 (static_specs): Include it.
9143 (LINK_COMMAND_SPEC): Add link_gomp.
9144 (GOMP_SELF_SPECS): New.
9145 (driver_self_specs): Include it.
9146 (switch_matches): Don't mark inline.
9147 (main): Load libgomp.spec.
9148 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9149 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9150 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9151 * tree-gimple.h (enum omp_parallel): Declare.
9152 (determine_parallel_type): Declare.
9153 (omp_firstprivatize_variable): Declare.
9154 (omp_reduction_init): Declare.
9155 (diagnose_omp_structured_block_errors): Declare.
9156 (struct walk_stmt_info): Add want_return_expr.
9157 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9158 (find_omp_clause): Declare.
9159 (insert_field_into_struct): Declare.
9160 (struct walk_stmt_info): Move from tree-nested.c
9161 (walk_stmts): Declare.
9162 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9164 * cgraphunit.c (cgraph_lower_function): Make static.
9165 (cgraph_finalize_pending_functions): New.
9166 (cgraph_finalize_function): Call it.
9167 (cgraph_finalize_compilation_unit): Likewise.
9168 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9169 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9170 (BT_FN_UINT_UINT): New.
9171 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9172 DEF_FUNCTION_TYPE_VAR_4): Document.
9173 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9174 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9175 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9176 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9177 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9178 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9179 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9180 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9181 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9182 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9183 into separate files.
9184 (DEF_GOMP_BUILTIN): New.
9185 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9186 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9187 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9188 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9189 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9190 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9191 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9192 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9193 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9194 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9195 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9196 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9197 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9198 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9199 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9200 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9201 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9202 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9203 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9204 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9205 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9206 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9207 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9208 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9209 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9210 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9211 * sync-builtins.def: New file, moved from builtins.def.
9212 * omp-builtins.def: New file, moved from builtins.def.
9213 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9214 * gimple-low.c (lower_function_body): Clear data.
9215 (lower_stmt): Do not handle COMPOUND_EXPR.
9216 Remove call to print_node_brief.
9217 * c-tree.h (c_finish_omp_clauses): New prototype.
9218 (C_DECL_THREADPRIVATE_P): Define.
9219 (lookup_name_no_remap, c_omp_remap_private): Remove
9220 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9221 (check_for_loop_decls): Update decl.
9222 (lookup_name_no_remap, c_omp_remap_private): Declare.
9223 (build_indirect_ref, build_modify_expr, pushdecl,
9224 pushdecl_top_level): Move to c-common.h.
9225 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9226 before the switch, but just in the 2 places that need it.
9227 * c-decl.c (diagnose_mismatched_decls): Do not check for
9228 mismatched thread-local attributes when OLDDECL is marked
9229 threadprivate and NEWDECL has no thread-local attributes.
9230 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9231 (c_gimple_diagnostics_recursively): Rename from
9232 c_warn_unused_result_recursively. Invoke
9233 diagnose_omp_structured_block_errors.
9234 (check_for_loop_decls): Return a singular decl found.
9235 * langhooks.c (lhd_omp_predetermined_sharing): Return
9236 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9237 (lhd_omp_firstprivatize_type_sizes): New.
9238 (lhd_omp_assignment): New.
9239 (lhd_omp_predetermined_sharing): New.
9240 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9241 (struct lang_hooks_for_types): Add
9242 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9243 omp_predetermined_sharing, omp_disregard_value_expr,
9244 omp_private_debug_clause, omp_clause_default_ctor,
9245 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9246 (c_finish_omp_clauses): New.
9247 (c_finish_bc_stmt): Diagnose break within omp for.
9248 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9249 (build_unary_op): Return error_mark after reporting
9251 (build_modify_expr): Likewise.
9252 * gimplify.c: Include optabs.h and pointer-set.h.
9253 (enum gimplify_omp_var_data): Declare.
9254 (struct gimplify_omp_ctx): Declare.
9255 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9257 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9258 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9259 (splay_tree_compare_decl_uid): New.
9260 (new_omp_context): New.
9261 (delete_omp_context): New.
9262 (gimple_add_tmp_var): Call omp_add_variable.
9263 (gimplify_bind_expr): Likewise.
9264 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9265 true, disregard DECL_VALUE_EXPR on the decl if any.
9266 (gimplify_expr_in_ctx): New.
9267 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9268 omp_add_variable, omp_notice_variable, omp_is_private
9269 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9270 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9271 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9272 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9273 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9274 gimplify_omp_atomic): New.
9275 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9276 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9277 OMP_CRITICAL and OMP_ATOMIC.
9278 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9279 * c-pragma.h (enum pragma_kind): Add
9280 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9281 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9282 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9283 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9284 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9285 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9286 PRAGMA_OMP_THREADPRIVATE.
9287 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9288 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9289 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9290 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9291 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9292 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9293 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9294 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9295 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9296 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9297 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9298 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9299 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9301 (struct nesting_info): Add field_map,
9302 suppress_expansion, debug_var_chain.
9303 (create_nesting_tree): Initialize them.
9304 (lookup_field_for_decl): Use field_map.
9305 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9306 (convert_local_omp_clauses): New.
9307 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9308 (walk_body): Split out of walk_function.
9309 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9310 (convert_nonlocal_reference): Handle omp statements.
9311 (convert_local_reference): Likewise.
9312 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9313 (unnest_nesting_tree): New.
9314 (lower_nested_functions): Call it.
9315 (insert_field_into_struct): Make extern.
9316 (struct walk_stmt_info): Move to tree-gimple.h.
9317 (walk_stmts): Make extern.
9318 * omp-builtins.def: New file.
9319 * tree-iterator.c (expr_only): Clarify comment.
9320 * c-common.h (pushdecl_top_level, pushdecl,
9321 build_modify_expr, build_indirect_ref,
9322 c_finish_omp_master, c_finish_omp_critical,
9323 c_finish_omp_ordered, c_finish_omp_barrier,
9324 c_finish_omp_atomic, c_finish_omp_flush,
9325 c_finish_omp_for, c_split_parallel_clauses,
9326 omp_clause_default_kind, c_omp_sharing_predetermined,
9327 c_omp_remap_decl): Declare.
9328 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9329 (OBJS-common): Add omp-low.o.
9330 (c-omp.o, omp-low.o): Add.
9331 (gimplify.o): Add dependency on $(OPTABS_H).
9332 (GTFILES): Add omp-low.c.
9333 (gt-stringpool.h): Add.
9334 * tree-cfg.c (set_bb_for_stmt): Do not update the
9335 block-to-labels map if we are currently expanding to RTL.
9336 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9338 Handle IDENTIFIER_NODE.
9339 (tree_verify_flow_info): Do not ICE when emitting error
9340 messages about invalid labels.
9341 (dump_function_to_file): Reset CFUN before emitting the body
9343 (debug_function): New.
9344 * passes.c (init_optimization_passes): Schedule
9346 * langhooks-def.h (lhd_omp_predetermined_sharing,
9347 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9349 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9350 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9351 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9352 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9353 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9354 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9355 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9356 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9357 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9358 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9359 (LANG_HOOK_DECLS): Use them.
9361 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9362 Richard Henderson <rth@redhat.com>
9363 Jakub Jelinek <jakub@redhat.com>
9364 Diego Novillo <dnovillo@redhat.com>
9366 * c-parser.c (pragma_omp_clause): Define.
9367 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9368 (c_parser_compound_statement): Likewise.
9369 (c_parser_statement): Likewise.
9370 (c_parser_pragma): Handle omp pragmas.
9371 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9372 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9373 (c_parser_omp_clause_name, check_no_duplicate_clause,
9374 c_parser_omp_variable_list,
9375 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9376 c_parser_omp_clause_copyprivate,
9377 c_parser_omp_clause_default,
9378 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9379 c_parser_omp_clause_lastprivate,
9380 c_parser_omp_clause_nowait,
9381 c_parser_omp_clause_num_threads,
9382 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9383 c_parser_omp_clause_reduction,
9384 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9385 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9386 c_parser_omp_atomic, c_parser_omp_barrier,
9387 c_parser_omp_critical, c_parser_omp_flush,
9388 c_parser_omp_for_loop, c_parser_omp_for,
9389 c_parser_omp_master, c_parser_omp_ordered,
9390 c_parser_omp_sections_scope, c_parser_omp_sections,
9391 c_parser_omp_parallel, c_parser_omp_single,
9392 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9393 * c-pragma.c (init_pragma): Do omp pragma registration here.
9394 * c.opt (fopenmp): New flag.
9396 2006-01-18 Eric Christopher <echristo@apple.com>
9398 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9399 * config/darwin.h (GOMP_SELF_SPECS): Define.
9401 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9403 * rtl.h: Remove the prototype for reg_alloc.
9405 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9408 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9409 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9410 sjlj and dwarf2 exception handling.
9411 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9412 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9413 * pa/pa.c (function_value): Treat complex and vector types as
9415 (function_arg): Likewise. Only pass scalar floats in the floating
9416 point argument registers.
9417 * pa/t-slibgcc-dwarf-ver: New file.
9418 * pa/t-slibgcc-sjlj-ver: New file.
9419 * pa/t-slibgcc-elf-ver: Delete file.
9421 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9423 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9424 unlikely_test_section_p test.
9426 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9428 * mode-switching.c (optimize_mode_switching): Make it static.
9429 * basic-block.h: Remove the prototype for
9430 optimize_mode_switching.
9432 * modulo-sched.c (sms_schedule): Make it static.
9433 * rtl.h: Remove the prototype for sms_schedule.
9435 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9436 * rtl.h: Remove the prototype for gcse_after_reload_main.
9438 * reg-stack.c (reg_to_stack): Make it static.
9439 * rtl.h: Remove the prototype for reg_to_stack.
9441 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9443 * rtl.h: Remove the prototypes for regrename_optimize and
9444 copyprop_hardreg_forward.
9446 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9448 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9449 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9450 Test against the appropriate null constant for the mode.
9451 If 'fixup_overlap' is true, swap the operands if they overlap.
9452 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9453 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9454 alpha_split_tmode_pair and adjust for above change.
9455 * config/alpha/alpha.md (movtf_internal): Adjust call to
9456 alpha_split_tfmode_pair and rely on it to swap the operands.
9457 (movti_internal): New insn and post-reload splitter.
9458 (movti): New expander.
9460 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9462 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9465 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9467 * rtlanal.c (global_reg_mentioned_p_1,
9468 global_reg_mentioned_p): Remove.
9469 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9471 * flow.c (initialize_uninitialized_subregs): Make it static.
9472 * rtl.h: Remove the prototype for
9473 initialize_uninitialized_subregs.
9475 * function.c (instantiate_virtual_regs): Make it static.
9476 * function.h: Remove the prototype for
9477 instantiate_virtual_regs.
9479 * regmove.c (regmove_optimize, combine_stack_adjustments):
9481 * rtl.h: Remove the prototypes for regmove_optimize and
9482 combine_stack_adjustments.
9484 2006-01-17 Roger Sayle <roger@eyesopen.com>
9486 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9487 (size_cost): Encode costs in bytes so that a reg-reg addition is
9488 equivalent to COSTS_N_INSNS(1).
9489 (override_options): Use the size_cost.branch_cost as the default
9490 ix86_branch_cost when optimizing for size.
9492 2006-01-18 Ben Elliston <bje@au.ibm.com>
9494 * Makefile.in (D32PBIT_FUNCS): New.
9495 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9496 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9497 D64PBIT_FUNCS and D128PBIT_FUNCS.
9498 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9499 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9501 (decnumber_dep): Define.
9502 * doc/libgcc.texi (Decimal float library routines): New node.
9503 * config/dfp-bit.h, config/dfp-bit.c: New files.
9505 2006-01-18 Ben Elliston <bje@au.ibm.com>
9507 * expr.c (emit_move_change_mode): Always adjust addresses, not
9508 just during reload. Copy replacements only during reload.
9509 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9510 emit_move_via_integer.
9512 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9514 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9515 instead of $(srcdir) and ${srcdir}.
9517 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9521 * arm.h (struct machine_function): Add pic_reg.
9522 * arm.c (arm_pic_register): Make unsigned.
9523 (arm_override_options): Only set arm_pic_register if
9524 TARGET_SINGLE_PIC_BASE.
9525 (use_return_insn): Only test for a pic register if it is fixed.
9526 (arm_compute_save_reg0_reg12_mask): Likewise.
9527 (thumb_compute_save_reg_mask): Likewise.
9528 (legitimate_pic_operand): Factor out some known invariants.
9529 (legitimize_pic_address): If we don't have a fixed pic register,
9530 then set up a pseudo in the function entry sequence. Handle the
9531 pic base being in a pseudo.
9532 (arm_load_pic_register): Handle the pic register being in a pseudo.
9533 (arm_expand_prologue): Only set up the pic register if it is fixed.
9534 (thumb_expand_prologue): Likewise.
9535 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9536 (pic_load_addr_based_insn): Likewise.
9537 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9540 2006-01-18 Ben Elliston <bje@au.ibm.com>
9542 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9543 decimal float modes for all floating point registers.
9545 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9546 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9548 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9551 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9552 even when the pointer is not NULL.
9554 2006-01-16 Ian Lance Taylor <ian@airs.com>
9556 * common.opt (ftoplevel-reorder): New option.
9557 * cgraph.c (cgraph_asm_nodes): New global variable.
9558 (cgraph_asm_last_node): New static variable.
9559 (cgraph_order): New global variable.
9560 (cgraph_create_node): Set new order field.
9561 (cgraph_varpool_node): Likewise.
9562 (decide_is_variable_needed): Return true if not
9563 flag_toplevel_reorder.
9564 (cgraph_add_asm_node): New function.
9565 * cgraph.h (struct cgraph_node): Add order field.
9566 (struct cgraph_varpool_node): Add order field.
9567 (struct cgraph_asm_node): Define.
9568 (cgraph_asm_nodes, cgraph_order): Declare.
9569 (cgraph_add_asm_node): Declare.
9570 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9572 (cgraph_varpool_assemble_pending_decls): Call it.
9573 (cgraph_output_pending_asms): New static function.
9574 (cgraph_finalize_compilation_unit): Call it.
9575 (struct cgraph_order_sort): Define.
9576 (cgraph_output_in_order): New static function.
9577 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9578 !flag_toplevel_reorder case.
9579 * c-parser.c: Include "cgraph.h".
9580 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9582 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9583 than -fno-unit-at-a-time.
9584 * doc/invoke.texi (Option Summary): Mention
9585 -fno-toplevel-reorder.
9586 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9587 -funit-at-a-time documentation.
9589 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9590 Kazu Hirata <kazu@codesourcery.com>
9592 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9594 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9596 * Makefile.in (FUNCTION_H): New. Use it instead of
9597 function.h throughout the file.
9598 * function.h: Include tree.h.
9600 2006-01-17 Ben Elliston <bje@au.ibm.com>
9602 * recog.c: Separate some functions with whitespace.
9604 2006-01-16 Richard Henderson <rth@redhat.com>
9606 Merge from gomp branch:
9607 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9608 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9609 and rename from struct inline_data. Rename callee* to dst*;
9610 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9611 transform_new_cfg, transform_return_to_modify, and
9612 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9614 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9615 (copy_decl_for_dup): Remove.
9616 * tree-inline.c (struct inline_data): Move to header.
9617 (insert_decl_map): Export.
9618 (remap_decl): Update for member name changes. Use copy_decl hook.
9619 Allow for replacement to be a non-decl. Remove dead code.
9620 (remap_type_1): Check for existing mapping.
9621 (remap_type): Export.
9622 (remap_decls): Update for member name changes.
9623 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9624 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9625 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9626 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9627 (tree_function_versioning, build_duplicate_type): Likewise.
9628 (copy_body_r): Likewise. Export.
9629 (copy_decl_for_dup): Split into ...
9630 (copy_decl_for_dup_finish, copy_decl_to_var,
9631 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9632 (replace_ref_tree, inlining_p): Remove.
9634 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9636 * ifcvt.c (if_convert): Make it static.
9637 * rtl.h: Remove the prototype for if_convert.
9639 * local-alloc.c (local_alloc): Make it static.
9640 * rtl.h: Remove the prototype for local_alloc.
9642 * loop.c (loop_optimize): Make it static.
9643 * cfgloop.h: Remove the prototype for loop_optimize.
9646 2006-01-16 DJ Delorie <dj@redhat.com>
9648 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9651 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9653 * pa.md: Disparage copies between general and floating-point registers
9654 in 32-bit move patterns.
9656 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9659 * Makefile.in (check-%): Depend on site.exp instead of
9660 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9663 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9665 * global.c (global_alloc): Make it static.
9666 * rtl.h: Remove the prototype for global_alloc.
9668 2006-01-16 Richard Guenther <rguenther@suse.de>
9670 * tree-ssa-alias.c (struct used_part): Add write_only field.
9671 (get_or_create_used_part_for): Initialize it to true.
9672 (create_overlap_variables_for): Don't create structure variables
9673 for structures that only are written to.
9674 (find_used_portions): Handle MODIFY_EXPR to track whether a
9675 structure is only written to.
9677 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9679 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9681 * basic-block.h: Remove the prototype for
9682 partition_hot_cold_basic_blocks.
9684 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9686 * cppspec.c (lang_specific_spec_functions): Remove.
9687 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9688 * gcc.h (lang_specific_spec_functions): Remove.
9689 * gccspec.c (lang_specific_spec_functions): Remove.
9691 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9693 * combine.c (record_value_for_reg): Invalidate registers
9695 (record_dead_and_set_regs_1): Likewise, by passing them to
9696 record_value_for_reg.
9697 (record_dead_and_set_regs): Invalidate stores made by a
9698 call. We do not combine across a call, but we still
9699 relied on equivalences.
9701 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9703 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9704 vrp_int_const_binop returning non-constant nodes.
9706 2006-01-16 Paul Brook <paul@codesourcery.com>
9708 * config/m68k/m68k.c (output_move_const_into_data_reg):
9709 Output correct mnemonic for mvz and mvs.
9711 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9713 * rtl-factoring.c: Add sequence abstraction algorithm.
9714 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9715 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9717 (block_has_preserve_label): New function.
9718 * common.opt: Register new pass.
9719 * Makefile.in: Ditto.
9721 * timevar.def: Ditto.
9722 * tree-pass.h: Ditto.
9723 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9724 * rtl.h (make_jump_insn_raw): Add forward decl.
9725 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9727 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9728 Roger Sayle <roger@eyesopen.com>
9730 * fold-const.c (fold_minmax): New static function.
9731 (fold_binary) <MIN_EXPR>: Call it.
9732 <MAX_EXPR>: Likewise.
9733 * stor-layout.c (place_field): Use DECL_SIZE consistently
9734 in the computation of the new record size.
9736 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9738 * cse.c (cse_condition_code_reg): Make it static.
9739 * rtl.h: Remove the prototype for cse_condition_code_reg.
9741 * combine.c (combine_instructions): Make it static.
9742 * rtl.h: Remove the prototype for combine_instructions.
9744 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9747 * tree.c (get_file_function_name_long): Concatenate the first global
9748 object name with a string derived from the input filename of the object
9751 2006-01-16 Ben Elliston <bje@au.ibm.com>
9753 * config/i386/winnt-stubs.c: Update FSF address.
9754 * config/xtensa/ieee754-df.S: Ditto.
9755 * config/xtensa/ieee754-sf.S: Ditto.
9757 2006-01-14 Ian Lance Taylor <ian@airs.com>
9759 * ifcvt.c (noce_init_if_info): New static function, broken out of
9760 noce_process_if_block.
9761 (noce_process_if_block): Call noce_init_if_info.
9762 (check_cond_move_block): New static function.
9763 (cond_move_process_if_block): New static function.
9764 (process_if_block): Call cond_move_process_if_block.
9766 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9768 * cselib.c (hash_table): Rename to cselib_hash_table.
9769 (cselib_clear_table, discard_useless_values,
9770 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9771 cselib_init, cselib_finish): Adjust uses of hash_table.
9773 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9775 PR tree-optimization/25485
9776 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9777 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9778 is known to be false and true, respectively.
9780 2006-01-14 Richard Guenther <rguenther@suse.de>
9782 PR tree-optimization/22548
9783 PR tree-optimization/22555
9784 PR tree-optimization/22501
9785 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9786 * params.def (salias-max-array-elements): New parameter.
9787 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9788 * doc/invoke.texi (salias-max-array-elements): Document.
9789 * tree-flow-inline.h (var_can_have_subvars): We also handle
9791 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9793 * tree-ssa-structalias.c (params.h): Include.
9794 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9795 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9796 (get_constraint_for): For ADDR_EXPR operating on something
9797 containing an ARRAY_REF, add all subvars to the solution.
9798 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9799 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9800 for creating MUST_DEFs.
9801 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9803 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9805 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9807 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9808 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9809 number_of_iterations_le): New functions.
9810 (number_of_iterations_special): Removed.
9811 (number_of_iterations_exit): Do not use number_of_iterations_special.
9812 * tree.c (unsigned_type_for): Always return integer type.
9814 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9815 Richard Guenther <rguenther@suse.de>
9817 PR rtl-optimization/24257
9818 * gcse.c (find_moveable_store): Only consider a store movable
9819 when the SET_SRC of the insn can be assigned to a register.
9821 2006-01-14 Ian Lance Taylor <ian@airs.com>
9823 * tree.c (tree_not_class_check_failed): New function.
9824 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9825 (tree_not_class_check_failed): Declare.
9827 2006-01-13 Ian Lance Taylor <ian@airs.com>
9829 * reload1.c (do_output_reload): Add assertion rejecting a
9832 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9834 * combine.c (struct reg_stat): Add new fields truncation_label and
9836 (record_value_for_reg): Reset truncated_to_mode.
9837 (record_truncated_value): New function.
9838 (check_promoted_subreg): Call it. Rename to check_conversions.
9839 (combine_instructions): Rename check_promoted_subreg to
9841 (reg_truncated_to_mode): New function.
9842 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9843 (gen_lowpart_or_truncate): New function.
9844 (force_to_mode): Use it instead of gen_lowpart.
9846 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9848 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9849 VAR is a tag, not its type tag.
9851 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9853 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9854 alternatives to match style of other entries.
9855 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9857 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9859 PR tree-optimization/25771
9860 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9863 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9866 * tree-inline.c (declare_return_variable): If the return variable
9867 was marked as a non gimple complex, set the return slot variable
9868 to be a non gimple comple variable.
9870 2006-01-13 Richard Guenther <rguenther@suse.de>
9872 * builtins.c (expand_builtin_sincos): New function.
9873 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9875 (expand_builtin): Expand sincos using expand_builtin_sincos.
9877 2006-01-12 DJ Delorie <dj@redhat.com>
9879 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9880 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9881 so that constant shifts can be split.
9882 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9883 (m32c_valid_pointer_mode): Make static.
9884 (shift_gen_func_for): New.
9885 (m32c_prepare_shift): Use it. Split large const shifts into
9887 * config/m32c/predicates.md (shiftcount_operand): Allow more
9889 (longshiftcount_operand): New.
9890 * doc/md.texi (Machine Constraints): Document In6.
9892 2006-01-13 Ben Elliston <bje@au.ibm.com>
9894 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9895 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9898 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9900 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9901 to try to avoid clobbering pieces of structures when we know
9902 something about the whole structure.
9903 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9905 2006-01-13 Ben Elliston <bje@au.ibm.com>
9907 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9908 return in memory, as this is no limitation is no longer present.
9910 2006-01-12 DJ Delorie <dj@redhat.com>
9912 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9913 mova with fb, and for fb+0 -> An.
9915 * config/m32c/mov.md (peephole2): Fix enabling logic.
9917 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9918 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9919 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9920 FINI_ARRAY_SECTION_ASM_OP): Define.
9922 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9924 (m32c_legitimize_reload_address): New logic to reload FB to An.
9925 (m32c_output_reg_push): Add newline.
9926 (m32c_output_reg_pop): Likewise.
9928 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9930 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9932 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9934 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9936 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9938 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9941 2006-01-11 Ben Elliston <bje@au.ibm.com>
9943 * rtlanal.c (find_reg_note): Assert insn is not null.
9945 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9947 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9950 2006-01-11 Jeff Law <law@redhat.com>
9952 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9954 (mark_threaded_blocks, register_jump_thread): New functions.
9955 (thread_through_all_blocks): Remove unwanted argument. No
9956 longer rely on e->aux to communicate thread target info.
9957 Call mark_threaded_blocks. Release the threaded_blocks
9958 bitmap and threaded_edges vector when complete.
9959 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9960 (threaded_blocks): Remove.
9961 (tree_ssa_dominator_optimize): Remove initialization and
9962 finalization of threaded_blocks. Simplify call to
9963 thread_through_all_blocks.
9964 (thread_across_edge): Call register_jump_thread rather than
9965 storing thread information into e->aux.
9966 (free_all_edge_infos): Simplify now that e->aux is no longer
9967 used to communicate with thread_through_all_blocks.
9968 * tree-flow.h (thread_through_all_blocks): Update prototype.
9969 (register_jump_thread): Prototype.
9971 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9973 * df-core.c (df_compact_blocks, df_bb_replace): Use
9974 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9976 2006-01-11 Richard Guenther <rguenther@suse.de>
9978 PR tree-optimization/25734
9979 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9980 stop propagation after successful propagation to the LHS.
9982 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9984 * basic-block.h (control_flow_graph): Change the type of
9985 x_basic_block_info to VEC(basic_block,gc) *.
9986 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9988 (SET_BASIC_BLOCK): New.
9989 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9990 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9991 * cfgbuild.c (find_basic_blocks): Likewise.
9992 * cfglayout.c (fixup_reorder_chain): Likewise.
9993 * cfgrtl.c (create_basic_block_structure,
9994 rtl_create_basic_block): Likewise.
9995 * ifcvt.c (find_if_case_1): Likewise.
9996 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9999 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10001 * Makefile.in: Removed rotted odf.c entry.
10003 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10006 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10007 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10008 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10009 output pattern modifier, not %e.
10010 * config/cris/cris.c (cris_op_str): Update comment about pattern
10012 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10013 before falling through into...
10014 <case 'E'>: Redefined from old 'e' case.
10016 2006-01-11 Jan Hubicka <jh@suse.cz>
10019 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10021 2006-01-11 Jan Hubicka <jh@suse.cz>
10023 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10024 * i386.c (x86_decompose_lea): Kill.
10025 (ix86_rtx_costs): Kill.
10027 2006-01-11 Jan Hubicka <jh@suse.cz>
10029 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10030 * cgraph.h (cgraph_node): Add inline_decl.
10031 (cgraph_insert_node_to_hashtable): Declare.
10032 (save_inline_function_body): Declare.
10033 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10035 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10036 (cgraph_function_versioning): Update call of tree_function_versioning.
10037 (save_inline_function_body): New function.
10038 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10039 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10040 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10041 (cgraph_default_inline_p): Likewise.
10042 (cgraph_decide_inlining_incrementally): Likewise.
10043 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10044 (copy_bb): Kill saving; do updating of clones.
10045 (copy_cfg_body): Kill saving.
10046 (initialize_inlined-parameters): Likewise.
10047 (expand_call_inline): Likewise.
10049 (tree_function_versioning): New parameter "update_clones".
10050 (inlining_p): Kill saving.
10051 * tree-inline.h (tree_function_versioning): Update prototype.
10052 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10055 2006-01-11 Ian Lance Taylor <ian@airs.com>
10057 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10058 Allow undoing set of machine mode.
10059 (do_SUBST): Use enums instead of is_int.
10060 (do_SUBST_MODE): New function.
10061 (SUBST_MODE): New macro.
10062 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10063 reg and trying to replace reg_regno_rtx with a new register.
10064 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10065 (simplify_set): Use SUBST_MODE.
10066 (distribute_notes): Remove code that tried to update reg notes
10067 for regno_reg_rtx changes.
10069 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10071 PR tree-optimization/23109
10072 PR tree-optimization/23948
10073 PR tree-optimization/24123
10075 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10076 * tree-cfg.c (single_noncomplex_succ): New.
10077 * tree-flow.h (single_noncomplex_succ): Declare it.
10078 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10079 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10080 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10081 insert_bb, register_division_in, insert_reciprocals,
10082 replace_reciprocal, free_bb): New.
10083 (execute_cse_reciprocals_1): Rewritten.
10084 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10085 Do not commit any edge insertion. Always compute dominators and
10086 create the allocation pool.
10087 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10088 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10089 * targhooks.c (default_min_divistions_for_recip_mul): New.
10090 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10091 * passes.c (init_optimization_passes): Run recip after tree loop
10093 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10095 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10096 Kenneth Zadeck <zadeck@naturalbridge.com>
10098 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10099 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10100 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10101 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10102 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10103 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10104 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10105 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10106 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10107 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10108 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10109 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10110 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10111 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10112 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10113 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10114 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10115 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10116 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10117 DF_SCAN_POST_ALLOC): New macros.
10118 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10119 df_free_bb_function, df_local_compute_function, df_init_function,
10120 df_dataflow_function, df_confluence_function_0,
10121 df_confluence_function_n, df_transfer_function,
10122 df_finalizer_function, df_free_function, df_dump_problem_function,
10123 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10124 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10125 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10126 df_urec_bb_info, ) New types.
10127 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10129 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10130 df_analyze_simple_change_some_blocks,
10131 df_analyze_simple_change_one_block, df_compact_blocks,
10132 df_bb_replace, df_bb_regno_last_use_find,
10133 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10134 df_insn_regno_def_p, df_find_def, df_find_use,
10135 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10136 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10137 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10138 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10139 debug_df_chain, df_get_dependent_problem, df_chain_create,
10140 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10141 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10142 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10143 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10144 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10145 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10146 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10147 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10148 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10149 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10150 df_reorganize_refs, df_set_state, df_hard_reg_init,
10151 df_read_modify_subreg_p) New public functions.
10152 * df-core.c: The core dataflow solver and glue routines for rtl
10154 (df_init, df_add_problem, df_set_blocks, df_finish,
10155 df_hybrid_search_forward, df_hybrid_search_backward,
10156 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10157 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10158 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10159 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10160 df_reg_defined, df_find_use, df_reg_used, df_dump,
10161 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10162 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10163 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10164 debug_df_useno, reset_df_after_reload): New functions.
10165 * df-scan.c: The scanning fuctions, once in df.c, completely
10166 rewritten so that they now fully model the functionality of
10167 register usage at the backend.
10168 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10169 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10170 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10171 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10172 df_get_artificial_defs, df_get_artificial_uses,
10173 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10174 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10175 df_refs_delete, df_reorganize_refs, df_set_state,
10176 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10177 df_def_record_1, df_defs_record, df_uses_record,
10178 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10179 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10180 df_record_exit_block_uses, df_hard_reg_init): New functions.
10182 * df-problems.c: Seven concrete dataflow problems that use the
10183 scanning in df-scan.c and are solved by the engine in df-core.c.
10184 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10185 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10186 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10187 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10188 df_ru_free_bb_info, df_ru_alloc,
10189 df_ru_bb_local_compute_process_def,
10190 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10191 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10192 df_ru_transfer_function, df_ru_free, df_ru_dump,
10193 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10194 df_rd_free_bb_info, df_rd_alloc,
10195 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10196 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10197 df_rd_transfer_function, df_rd_free, df_rd_dump,
10198 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10199 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10200 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10201 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10202 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10203 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10204 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10205 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10206 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10207 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10208 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10209 df_urec_mark_reg_use_for_earlyclobber,
10210 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10211 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10212 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10213 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10214 df_chain_create_bb_process_use, df_chain_create_bb,
10215 df_chain_finalize, df_chain_free, df_chains_dump,
10216 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10217 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10218 df_reg_lifetime): New functions.
10219 * df.c: Deleted file.
10220 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10221 consistent with new df api.
10222 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10223 rest_of_handle_sms): Ditto.
10224 * web.c (unionfind_union, union_defs, entry_register, web_main):
10226 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10227 invariant_expr_equal_p, find_defs, check_dependencies,
10228 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10229 free_inv_motion_data, move_loop_invariants): Ditto.
10230 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10231 Update dependencies.
10232 (odf.c): Added defective entry that was deleted later in day.
10233 * sched-deps.c (sched_analyze_1): Ditto.
10235 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10237 * tree-ssa-operands.c (get_expr_operands): Record addressable
10238 variables directly. Do not call add_stmt_operands for CONST_DECLs
10240 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10241 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10243 2006-01-11 Ben Elliston <bje@au.ibm.com>
10245 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10246 function returns true in the positive case.
10248 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10251 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10252 for SI, DI, SF and DF modes. Add alternatives to copy between
10253 general and floating point registers to the 32-bit patterns.
10254 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10255 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10256 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10257 generating 64-bit code.
10258 * config/pa/pa.c (output_move_double): Handle copies between general
10259 and floating registers.
10261 2006-01-10 Stuart Hastings <stuart@apple.com>
10263 * config/i386/i386.md (set_got): Update.
10264 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10265 (builtin_setjmp_receiver): Mach-O support.
10266 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10267 (GOT_SYMBOL_NAME): Define.
10268 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10269 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10270 * config/i386/i386.c (override_options): Revise for Darwin.
10271 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10272 support. (darwin_x86_file_end): New. (output_set_got): Add label
10273 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10274 * config/i386/i386-protos.h (output_set_got): Likewise.
10275 * config/darwin.c (machopic_legitimize_pic_address): Update
10278 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10280 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10281 when MODE isn't BLKmode.
10283 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10285 PR rtl-optimization/25367
10286 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10288 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10291 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10292 for a negative bound.
10294 2006-01-10 Richard Guenther <rguenther@suse.de>
10296 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10297 Never override with anything constraint.
10299 2006-01-10 Jan Beulich <jbeulich@novell.com>
10301 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10302 256 bits when optimize_size.
10304 2006-01-10 Jan Beulich <jbeulich@novell.com>
10306 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10308 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10309 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10312 2006-01-10 Ben Elliston <bje@au.ibm.com>
10314 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10316 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10317 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10318 (USE_FP_FOR_ARG): Reject decimal float modes.
10319 (function_arg_advance): Likewise.
10320 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10321 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10322 point types in AltiVec vectors.
10323 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10324 (rs6000_libcall_value): Likewise.
10326 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10328 * config/xtensa/ieee754-df.S: New file.
10329 * config/xtensa/ieee754-sf.S: New file.
10330 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10331 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10332 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10334 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10336 * config/sh/predicates.md (binary_float_operator,
10337 binary_logical_operator, commutative_float_operator,
10338 equality_comparison_operator, greater_comparison_operator,
10339 less_comparison_operator, logical_operator,
10340 noncommutative_float_operator, shift_operator,
10341 symbol_ref_operand, unary_float_operator): Remove redundant
10344 2006-01-09 Jeff Law <law@redhat.com>
10346 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10347 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10348 now unused arguments. Callers updated.
10349 (eliminate_redundant_computations): Remove now unused arguments,
10351 (local_fold): Remove, no longer used.
10352 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10354 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10355 (simplify_cond): New function.
10356 (forward_propagate_into_cond): Call simplify_cond.
10358 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10360 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10361 (*vec_extractv2di_1_sse): New.
10363 2006-01-09 Ben Elliston <bje@au.ibm.com>
10365 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10367 2006-01-08 Richard Guenther <rguenther@suse.de>
10369 * tree-ssa-structalias.c (get_constraint_for): Remove
10370 anyoffset argument.
10371 (get_constraint_for_component_ref): Likewise.
10372 (do_deref): Likewise.
10373 (get_constraint_for): Likewise.
10374 (do_structure_copy): Likewise.
10375 (handle_ptr_arith): Likewise.
10376 (find_func_aliases): Likewise. Remove unused need_anyoffset
10379 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10380 Kaz Kojima <kkojima@gcc.gnu.org>
10382 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10383 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10384 (EXTRA_CONSTRAINT_C16): Remove.
10385 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10386 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10387 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10388 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10389 constants of SHmedia. Handle nested constant expressions of
10391 (andcosts): Fix the costs for SHmedia constants.
10392 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10393 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10394 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10395 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10396 (movv4hi_i, movv2si_i): Likewise.
10397 (movsi_const): Adjust the second operand of ior so to match with
10398 the Csu constraint.
10399 (movdi_const, movdi_const_32bit): Likewise.
10400 (movdi_const_16bit+1): Don't sign-extend LOW.
10401 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10403 (*double_shori): Fix the split condition. Use GEN_INT instead
10404 of get_int_mode calls. Mask lower 16-bit of the argument of
10406 (sym2GOTPLT): Remove.
10407 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10409 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10410 instead of EXTRA_CONSTRAINT_C16.
10412 2006-01-07 Ian Lance Taylor <ian@airs.com>
10413 David Edelsohn <edelsohn@gnu.org>
10415 PR rtl-optimization/25662
10416 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10417 for constant operands instead of simplify_gen_binary.
10418 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10419 after trying simplify_binary_operation
10421 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10423 * tree.c (iterative_hash_expr): Hash decls based on UID.
10425 2006-01-06 Eric Christopher <echristo@apple.com>
10427 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10428 (TARGET_UNWIND_EMIT): Fix spelling.
10429 * target.h (gcc_target): Add except_table_label.
10430 * except.c (output_function_exception_table): Use.
10431 * varasm.c (default_emit_except_table_label): New.
10432 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10434 (asm_out): Add here.
10435 * output.h (default_emit_except_table_label): Prototype.
10436 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10437 * config/darwin.c (darwin_emit_except_table_label): Define.
10438 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10440 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10442 PR tree-optimization/18527
10443 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10444 number_of_iterations_special, number_of_iterations_exit):
10445 Move base and step of an iv to a single structure. Add
10446 no_overflow flag, and use it in # of iterations analysis.
10447 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10448 folded_casts argument.
10449 (simple_iv): Pass base and step in a structure. Set no_overflow
10451 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10452 Evaluate expensiveness of computing # of iterations instead of
10453 the final expression.
10454 * tree-scalar-evolution.h (affine_iv): New structure.
10455 (simple_iv): Declaration changed.
10456 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10457 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10458 find_givs_in_stmt): Changed due to simple_iv change.
10460 2006-01-06 Jeff Law <law@redhat.com>
10463 * tree-cfg.c (bsi_replace): Rename final argument from
10464 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10465 change (stmt -> orig_stmt).
10466 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10467 (bsi_remove): Add new argument. Remove EH information
10469 (verify_eh_throw_table_statements): New function.
10470 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10472 * tree-optimize.c (execute_free_cfg_annotations): Verify
10473 the EH throw statement table after removing annotations.
10474 * except.h (verify_eh_throw_table_statements): Prototype.
10475 * tree-flow.h (bsi_remove): Update prototype.
10476 * tree-vrp.c (remove_range_assertions): Add new argument to
10478 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10479 * tree-complex.c (expand_complex_div_wide): Likewise.
10480 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10481 * tree-tailcall.c (eliminate_tailcall): Likewise.
10482 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10483 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10484 * tree-nrv.c (tree_nrv): Likewise.
10485 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10486 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10487 (combine_blocks): Likewise.
10488 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10489 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10490 (cleanup_control_flow): Likewise.
10491 (remove_forwarder_block): Likewise.
10492 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10493 * tree-sra.c (sra_replace): Likewise.
10494 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10495 (forward_propagate_single_use_vars): Likewise.
10496 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10497 * tree-inline.c (expand_call_inline): Likewise.
10498 * tree-vect-transform.c (vect_transform_loop): Likewise.
10499 * tree-outof-ssa.c (rewrite_trees): Likewise.
10500 * tree-cfg.c (make_goto_expr_edges): Likewise.
10501 (cleanup_dead_labels): Likewise.
10502 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10503 (bsi_move_before, bsi_move_after): Likewise.
10504 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10505 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10507 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10510 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10512 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10513 on non gimple variables. Also add checks at the top for decls and
10515 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10517 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10518 and IMAGPART_EXPR for creating MUST_DEFs.
10519 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10520 and NAME_MEMORY_TAG separately from the DECLs.
10522 2006-01-06 Richard Guenther <rguenther@suse.de>
10524 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10525 annotation, if necessary.
10526 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10527 redundant calls to update_stmt.
10528 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10531 2006-01-05 Richard Henderson <rth@redhat.com>
10533 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10535 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10537 * c-typeck.c: Update copyright date.
10539 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10541 * c-typeck.c (build_c_cast): Always warn when casting
10542 from a pointer to an integer of different size, even if
10543 the node was constant.
10545 2006-01-05 Richard Guenther <rguenther@suse.de>
10547 PR tree-optimization/22555
10548 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10549 if one structure field is an array.
10550 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10551 operands even if we found a subvar, but ignore VOPs in this
10553 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10555 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10557 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10559 PR middle-end/24998
10560 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10562 2006-01-05 Richard Guenther <rguenther@suse.de>
10563 Diego Novillo <dnovillo@redhat.com>
10565 * tree-pass.h (TODO_remove_unused_locals): Define.
10566 * gimple-low.c (expand_var_p, remove_useless_vars,
10567 pass_remove_useless_vars): Remove. Update all users.
10568 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10569 (remove_unused_locals): New function.
10570 * tree-flow.h (remove_unused_locals): Declare.
10571 * passes.c (execute_todo): Call remove_unused_locals if
10572 TODO_remove_unused_locals is set.
10573 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10574 * tree-ssa-dce.c (pass_dce): Likewise.
10575 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10577 2006-01-05 Richard Guenther <rguenther@suse.de>
10579 * tree-flow.h (struct fieldoff): Decompose field to
10580 type, size and decl.
10581 * tree-ssa-alias.c (create_sft): Take type as parameter.
10582 (create_overlap_variables_for): Store type, size and decl
10583 in the fieldoff structure.
10584 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10585 of struct fieldoff.
10586 (push_fields_onto_fieldstack): Likewise.
10587 (create_variable_info_for): Likewise. Use offset for the
10588 SFT name if the decl is not available.
10590 2006-01-04 Paul Brook <paul@codesourcery.com>
10592 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10594 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10596 * lambda-code.c (can_put_in_inner_loop): Relax
10598 (can_put_after_inner_loop): New function.
10599 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10600 (perfect_nestify): Change to make copies and modify uses.
10602 2006-01-04 Richard Henderson <rth@redhat.com>
10604 Merge from gomp branch:
10605 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10606 via integer constant.
10607 (pragma_lex): Remove.
10608 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10609 rather than parsing it.
10610 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10611 handle_pragma_extern_prefix): Add %< %> quotes.
10612 (registered_pragmas): New.
10613 (c_register_pragma_1): New.
10614 (c_register_pragma): Use it.
10615 (c_register_pragma_with_expansion): Likewise.
10616 (c_invoke_pragma_handler): New.
10617 (init_pragma): Use cpp_register_deferred_pragma directly for
10619 * c-pragma.h (enum pragma_kind): New.
10620 (pragma_handler): New.
10621 (c_invoke_pragma_handler): Declare.
10622 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10624 * c-common.h (c_common_pch_pragma): Update decl.
10625 * Makefile.in (c-parser.o): Update dependencies.
10626 (GTFILES): Add c-pragma.h.
10627 * c-parser.c (struct c_token): Add pragma_kind.
10628 (struct c_parser): Add in_pragma.
10629 (c_lex_one_token): Always initialize keyword and pragma_kind.
10630 Extract data for CPP_PRAGMA.
10631 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10632 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10633 Don't allow CPP_PRAGMA_EOL if in_pragma.
10634 (c_parser_consume_pragma): New.
10635 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10636 (c_parser_skip_to_end_of_parameter): Likewise.
10637 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10638 (c_parser_skip_to_pragma_eol): New.
10639 (c_parser_external_declaration): Handle CPP_PRAGMA.
10640 (c_parser_compound_statement_nostart): Likewise.
10641 (c_parser_statement_after_labels): Likewise.
10642 (c_parser_pragma): New.
10643 (pragma_lex): Likewise.
10644 (c_parser_pragma_pch_preprocess): New.
10645 (c_parser_new): Merge into ...
10646 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10648 2006-01-04 Jeff Law <law@redhat.com>
10651 * tree-cfg.c (bsi_replace): Remove the original statement
10652 from the EH throw statement table.
10654 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10656 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10657 make the prototype extern "C" and add throw ().
10660 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10661 and pos non-negative and pos + len <= 32.
10662 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10663 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10664 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10667 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10668 as well as sizes not multiple of component size.
10671 * function.c (instantiate_expr): New function.
10672 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10673 walk its DECL_VALUE_EXPR with instantiate_expr.
10675 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10676 DW_OP_deref{,_size} if address isn't going to be added.
10678 2006-01-04 Ben Elliston <bje@au.ibm.com>
10680 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10681 * config/fp-bit.c: Likewise.
10683 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10685 * dominance.c: Add comment about why we use DFS numbering
10688 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10689 Richard Henderson <rth@redhat.com>
10691 Merge from gomp-branch:
10692 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10693 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10695 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10697 PR rtl-optimization/25578
10698 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10699 pass a parameter to simplify_shift_const if changing ASHIFTRT
10702 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10704 * builtins.c (get_builtin_sync_mem): New function.
10705 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10706 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10707 Call get_builtin_sync_mem to generate mem rtx.
10709 2006-01-03 Richard Guenther <rguenther@suse.de>
10712 * stmt.c (add_case_node): Make sure to clear overflow flags
10715 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10717 Merge from gomp-branch.
10718 * config/sparc/sync.md: New file.
10719 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10720 UNSPECV_LDSTUB): New constants.
10721 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10722 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10723 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10726 2006-01-03 Roger Sayle <roger@eyesopen.com>
10728 * combine.c (reg_subword_p): New predicate to test whether the
10729 destination of a set refers to a subword/piece of a register.
10730 (try_combine): Generalize the code to merge the setting of a
10731 pseudo to a constant followed by a set of a subword of that
10732 register to a constant.
10734 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10736 * basic-block.h (control_flow_graph): Change the type of
10737 x_label_to_block_map to VEC(basic_block,gc) *.
10738 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10739 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10741 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10742 VEC(basic_block,heap) *.
10743 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10744 ssa_prop_fini): Adjust the uses of cfg_blocks.
10746 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10748 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10750 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10751 hashing trees instead of a pointer hash.
10752 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10753 compare for MEM_EXPR.
10755 PR rtl-optimization/25130
10756 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10757 when comparing MEMs for GCSE
10759 2006-01-03 Ben Elliston <bje@au.ibm.com>
10761 * targhooks.h (default_decimal_float_supported_p): Declare.
10762 * targhooks.c (default_decimal_float_supported_p): Define.
10763 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10764 `default_decimal_float_supported_p'.
10765 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10767 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10769 * combine.c (apply_distributive_law <SUBREG>): Check
10770 TRULY_NOOP_TRUNCATION.
10772 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10774 * dwarf2out.c (have_switched_text_section): Delete.
10775 (have_multiple_function_sections): New.
10776 (have_location_lists): Make 'bool'.
10777 (add_AT_loc_list): Use 'true' not '1'.
10778 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10779 (output_loc_list): Use have_multiple_function_sections.
10780 (output_ranges): Likewise.
10781 (dwarf2out_begin_function): Set have_multiple_function_sections if
10783 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10784 Check function_section rather than DECL_SECTION_NAME.
10785 (dwarf2out_finish): Use have_multiple_function_sections.
10786 Don't clear have_location_lists.
10788 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10789 Jan Hubicka <jh@suse.cz>
10791 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10792 case of conditional jump jumping to the next instruction.
10793 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10794 cases of conditional jump jumping to the next instruction.
10796 2006-01-02 Jan Hubicka <jh@suse.cz>
10798 * i386.c (*_cost): Add COSTS_N_INSNS.
10799 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10801 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10804 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10806 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10808 * config/arm/arm.c (all_fpus): Fix comment typo.
10809 * config/darwin.c: Likewise.
10810 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10811 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10812 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10814 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10816 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10817 (rs6000_split_compare_and_swapqhi): New.
10818 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10819 (sync_compare_and_swapqhi_internal): New.
10820 * config/rs6000/rs6000-protos.h: Declare.