1 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
7 2006-05-16 Ben Elliston <bje@au.ibm.com>
9 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
11 2006-05-15 Per Bothner <per@bothner.com>
13 * tree.c: (last_annotated_node): Use sources_locus typedef.
14 This permits bootstrapping with --enable-mapped-location.
16 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
18 PR tree-optimization/26830
19 * tree-into-ssa.c (struct ssa_name_info): Add age field.
20 (info_for_ssa_name, current_info_for_ssa_name_age,
21 blocks_to_update): New variables.
22 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
23 (clear_ssa_name_info, initialize_flags_in_bb,
24 mark_block_for_update): New functions.
25 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
26 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
27 prepare_def_site_for): Use mark_block_for_update.
28 (mark_def_interesting): Assert that the processed block is marked in
29 blocks_to_update. Do not take blocks argument.
30 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
32 (rewrite_update_init_block, rewrite_update_stmt): Only process
33 blocks with statements to rewrite.
34 (delete_update_ssa): Do not clear SSA_NAME_AUX.
35 (update_ssa): Initialize and free blocks_to_update. Do not
36 clear flags on statements. Do not use blocks bitmap.
37 * tree.h (SSA_NAME_AUX): Removed.
38 (struct tree_ssa_name): Removed aux field.
39 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
41 2006-05-15 Richard Guenther <rguenther@suse.de>
43 PR tree-optimization/27603
44 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
45 Do computations in original type.
47 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
49 * see.c: Code style changes such as redundant paranthesis,
50 redundant intialization of local variables etc.
51 (see_main): Declared now as static.
52 * doc/invoke.texi: Update that -fsee is not enabled by
55 2006-05-15 Jakub Jelinek <jakub@redhat.com>
57 * omp-low.c (check_omp_nesting_restrictions): New function.
58 (scan_omp_1): Call it.
61 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
62 construct, return *VAR.
64 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
66 PR rtl-optimization/27406
67 * bt-load.c (migrate_btr_def): Skip the block having abnormal
70 2006-05-14 Roger Sayle <roger@eyesopen.com>
72 PR rtl-optimization/27538
73 * combine.c (expand_compound_operation): Call gen_lowpart
74 before calling simplify_shift_const.
76 2006-05-14 Roger Sayle <roger@eyesopen.com>
78 PR rtl-optimization/22563
79 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
80 a fixed width bitfield, always force the intermediates into psuedos.
82 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
85 * mkconfig.sh: Use operator = instead of == for test.
87 2006-05-13 Nick Clifton <nickc@redhat.com>
89 * dwarf2out.c (dbx_reg_number): Check return value from
90 LEAF_REG_REMAP and only use it if it is valid.
91 (multiple_reg_loc_descriptor): Likewise.
93 2006-05-13 Richard Guenther <rguenther@suse.de>
95 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
98 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
100 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
101 information attached to non-INSNs such as NOTEs.
102 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
104 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
106 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
108 * config/s390/s390.md: Adjust comment describing On constraint.
110 2006-05-11 Jan Hubicka <jh@suse.cz>
112 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
115 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
118 * fold-const.c (size_binop): Move sanity check for arguments to
119 the beginning of the function.
122 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
125 2006-05-11 Richard Guenther <rguenther@suse.de>
128 * fold-const.c (fold_unary): Handle intermediate conversion
129 to a pointer type like intermediate conversion to an integer
130 type in folding of (T1)(T2)var to var.
131 Match the code to the comment in the final conversion for
132 (T1)(T2)var to (T1)var regarding to type precision. Rather
133 than disallow T1 being of pointer type, assert that both T1
134 and var are of pointer type or not. Make sure not to fall
135 over the frontends lazyness wrt array to pointer decay though.
137 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
139 * arm.c (arm_struct_value_rtx): Delete.
140 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
141 (arm_init_cumulative_args): Always initialize nregs to zero.
143 2006-05-10 Richard Guenther <rguenther@suse.de>
145 PR tree-optimization/27532
146 * tree-object-size.c (plus_expr_object_size): Fix typo.
148 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
151 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
152 ashrdi_const, ashrdi3): Use a scratch register.
154 2006-05-10 Richard Guenther <rguenther@suse.de>
156 PR tree-optimization/27302
157 * fold-const.c (operand_equal_p): For two comparisons,
158 try comparison of one comparison code swapped if that yields
161 2006-05-10 Ben Elliston <bje@au.ibm.com>
163 * tree-pretty-print.c (pretty_print_string): No need to handle
164 '\0' as a special character.
166 * tree.h: Include "hashtab.h".
167 (iterative_hash_expr): Use hashval_t in its prototype.
168 * Makefile.in (TREE_H): Add $(HASHTAB_H).
170 2006-05-09 Steve Ellcey <sje@cup.hp.com>
173 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
174 (hppa*64*-*-hpux11*): Ditto.
175 (hppa[12]*-*-hpux11*): Ditto.
177 2006-05-09 David Edelsohn <edelsohn@gnu.org>
180 * config/rs6000/aix41.h (TARGET_64BIT): Define.
182 2006-05-09 Michael Matz <matz@suse.de>
184 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
185 host_extra_gcc_objs and host_xmake_file.
186 (<*-*-linux*>): Don't overwrite host_xmake_file.
187 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
188 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
189 (host_detect_local_cpu): Declare.
190 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
191 * config/i386/i386.c (override_options): Handle -mtune=native
193 * config/i386/x-i386: New file.
194 * config/i386/driver-i386.c: New file.
195 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
198 2006-05-09 Dirk Mueller <dmueller@suse.de>
199 Richard Guenther <rguenther@suse.de>
202 * fold-const.c (fold_read_from_constant_string): Relax check
203 for matching types to matching modes.
205 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
207 PR rtl-optimization/27335
208 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
211 2006-05-08 Chao-ying Fu <fu@mips.com>
212 Richard Sandiford <richard@codesourcery.com>
214 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
215 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
216 * config/mips/mips.md (UNSPEC_SCC): New constant.
217 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
218 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
219 (mips_emit_compare): Use it.
220 (mips_expand_vcondv2sf): New function.
222 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
224 Fix PR tree-optimization/27093
225 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
226 renaming when they become not-used_alone.
228 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
230 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
231 relocation and relocation stubs.
233 2006-05-08 Eric Christopher <echristo@apple.com>
235 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
238 2006-05-08 Jan Hubicka <jh@suse.cz>
241 * cgraphunit.c (decide_is_function_needed): When not optimizing even
242 unused static functions are needed.
244 2006-05-08 Roger Sayle <roger@eyesopen.com>
247 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
248 of a reg_equiv_constant if the result is a legitimate constant.
250 2006-05-08 Uros Bizjak <uros@kss-loka.si>
253 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
254 standard 80387 constants, raise the cost to prevent
255 compress_float_constant() to generate load from memory.
257 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
259 * config/arm/constraints.md (c): Fix a typo.
261 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
264 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
267 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
269 (_mm_mwait): Likewise.
271 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
273 (sse3_monitor): Make it 32bit only.
274 (sse3_monitor64): New. 64bit monitor.
276 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
279 * config/i386/i386.c (classify_argument): Skip fields with invalid
282 2006-05-07 Richard Guenther <rguenther@suse.de>
284 PR tree-optimization/27409
285 * tree-ssa-structalias.c (get_constraint_for_component_ref):
286 Do not try to find zero-sized subvars.
288 2006-05-07 Richard Guenther <rguenther@suse.de>
290 PR tree-optimization/27136
291 * tree-ssa-loop-niter.c (get_val_for): Correct function
292 comment, assert requirements.
293 (loop_niter_by_eval): Stop processing if the iterated
294 value did not simplify.
296 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
298 * opts.c (flag_see): remove its setting at -O3.
300 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
302 * genpeep.c (main): Make insn-peep.c depend on flags.h.
303 * arm/constraints.md: New file.
304 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
305 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
306 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
307 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
308 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
309 (EXTRA_MEMORY_CONSTRAINT): Likewise.
310 * arm.md: Include constraints.md.
311 (thumb_movsi_insn): Use satisfies_constraint_J.
312 (movhi, movqi): Use satisfies_constraint_I.
314 2006-04-29 Anatoly Sokolov <aesok@post.ru>
316 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
317 for atmeg a645 device.
319 2006-05-06 Richard Guenther <rguenther@suse.de>
321 PR tree-optimization/27151
322 * tree-vect-transform.c (vectorizable_condition): Punt on
323 values that have a different type than the condition.
325 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
328 * c-parser.c (c_parser_cast_expression): Only insert casts into
329 hash table if pointer.
330 * function.c (used_types_insert_helper): Rename from
332 (used_types_insert): Call used_types_insert_helper.
333 * function.h (used_types_insert): Accept only one argument.
335 2006-05-05 David Edelsohn <edesohn@gnu.org>
337 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
338 scratch with output modifier.
340 2006-05-04 David Edelsohn <edelsohn@gnu.org>
343 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
344 with output modifier.
346 2006-05-04 Richard Sandiford <richard@codesourcery.com>
349 * config/mips/mips.c (mips_symbolic_address_p): Return true
350 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
351 SYMBOL_GOTTPREL, and SYMBOL_TLS.
353 2006-05-04 Richard Guenther <rguenther@suse.de>
355 PR tree-optimization/14287
356 PR tree-optimization/14844
357 PR tree-optimization/19792
358 PR tree-optimization/21608
359 PR tree-optimization/27090
360 * tree-ssa-pre.c (try_combine_conversion): New function.
361 (compute_avail): After constructing the value-handle
362 expression, use try_combine_conversion to combine NOP_EXPRs
363 with previous value-handle expressions and use the result if it
366 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
368 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
370 2006-05-04 Jan Hubicka <jh@suse.cz>
373 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
375 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
377 * config/bfin/predicates.md (const01_rtx): Tell generator programs
378 that this only matches CONST_INTs. All users changed to VOIDmode
381 * config/bfin/bfin.c: Include "optabs.h".
382 (bfin_rtx_costs): Some costs for vector operations, to allow combine
384 (enum bfin_builtins): Add a number of fractional and vector builtins.
385 (bfin_init_builtins): Likewise.
386 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
387 (safe_vector_operand, bfin_expand_binop_builtin,
388 bfin_expand_unop_builtin): New functions.
389 (bfin_expand_builtin): Handle the new builtins.
390 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
393 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
396 * Makefile.in (OBJS-common): Add see.o.
397 (see.o): Add dependencies.
398 * common.opt (fsee): New flag for the see optimization was added.
399 * opts.c (flag_see): Initialized.
400 * passes.c (init_optimization_passes, pass_see): New pass.
401 * rtl.h (see_main): Declaration as extern.
402 * timevar.def (TV_SEE): New.
403 * tree-pass.h (pass_see): Declaration as extern.
404 * invoke.texi (-fsee): Document.
405 * recog.c (validate_simplify_insn): New function.
406 * recog.h (validate_simplify_insn): Declaration as extern.
407 * df-problems.c (df_chain_dump): Check for NULL.
409 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
410 Daniel Berlin <dberlin@dberlin.org>
412 * cfgrtl.c (insert_insn_bb_end_new): New function.
413 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
415 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
417 * df.h (struct web_entry): Moved from web.c.
418 (union_defs): Declaration as extern.
419 (unionfind_root): Likewise.
420 (unionfind_union): Likewise.
421 * web.c (struct web_entry): Moved to df.h.
422 (unionfind_root): Remove static declaration.
423 (unionfind_union): Likewise.
424 (union_defs): Likewise and generalize to use callback function.
425 (web_main): Update arguments for union_defs function call.
427 2006-05-04 Richard Guenther <rguenther@suse.de>
429 PR tree-optimization/26447
430 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
431 produce SSA_NAME copies before the store stmt to avoid
432 breaking exception handling.
434 2006-05-04 Jakub Jelinek <jakub@redhat.com>
437 * gimplify.c (omp_is_private): If var is shared in some outer context,
438 return false instead of true. Stop searching on parallel context
441 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
444 * coverage.c: Use get_gcov_unsigned_t() instead of
445 unsigned_type_node all over.
447 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
449 PR tree-optimization/27381
450 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
451 maintain the same immediate_use links.
452 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
453 node rather than segfaulting.
455 2006-05-03 Jakub Jelinek <jakub@redhat.com>
458 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
459 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
460 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
462 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
464 Fix PR tree-optimization/26626
465 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
467 * tree-ssa-operands.c (access_can_touch_variable): Allow
468 typecasting through union pointers.
470 2006-05-02 Jakub Jelinek <jakub@redhat.com>
473 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
474 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
475 to find if var will be a global variable even in the nested context.
476 (omp_copy_decl): Only check for global variable at the end, it might
477 be overridden in outer contexts.
478 (scan_sharing_clauses): For global variables don't create a field.
479 (lower_rec_input_clauses): Do nothing for global shared variables.
480 Emit a barrier at the end of ILIST if there were any decls in both
481 firstprivate and lastprivate clauses.
482 (lower_send_clauses): Do nothing for global variables except for
485 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
487 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
488 of the correct signedness is returned.
490 2006-05-02 Jeff Law <law@redhat.com>
492 PR tree-optimization/27364
493 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
494 multiply expressions.
496 2006-05-02 Tom Tromey <tromey@redhat.com>
498 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
500 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
503 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
504 -mthumb -fPIC are used.
506 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
507 Joshua Kinard <kumba@gentoo.org>
510 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
511 with 64-bit pointers.
513 2006-05-02 Paul Brook <paul@codesourcery.com>
515 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
517 (create_fix_barrier): Check that a suitable barrier location is
519 (arm_reorg): Include ftmp->address in allowable range of addresses.
521 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
524 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
527 2006-05-02 Jakub Jelinek <jakub@redhat.com>
530 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
531 around RESULT_DECL for result passed by reference.
532 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
533 * omp-low.c (use_pointer_for_field): Don't look at
534 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
535 (scan_omp_1): Call remap_decl on RESULT_DECLs.
536 (lower_rec_input_clauses): Don't allocate VLA memory for the second
537 time or var for passing by reference for
538 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
539 TREE_ADDRESSABLE variables when passing by reference.
541 * omp-low.c (dump_omp_region): Fix output formatting.
544 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
545 (expand_omp_parallel): Likewise.
546 * tree-cfg.c (move_sese_region_to_fn): Likewise.
549 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
550 on statement list containing also constructors and destructors.
551 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
554 * except.c (duplicate_eh_regions): Fix clearing of
555 cfun->eh->region_array entries.
557 2006-05-01 DJ Delorie <dj@redhat.com>
559 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
561 (gcc_cv_objdump): Likewise.
562 * configure: Regenerated.
564 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
567 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
568 templates for case 3 and 4.
570 2006-05-01 DJ Delorie <dj@redhat.com>
572 * vec.c: Include bconfig.h when appropriate.
573 * Makefile.in (build/vec.o): Adjust dependencies.
574 * mkconfig.sh: Make sure config.h isn't used for build machine
577 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
579 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
581 (mark_phi_for_rewrite): New function.
582 (insert_phi_nodes_for, mark_use_interesting): Call
583 mark_phi_for_rewrite.
584 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
585 (update_ssa): Initialize and free phis_to_rewrite.
587 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
589 PR rtl-optimization/27291
590 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
591 folded to a constant.
593 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
595 PR tree-optimization/27283
596 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
597 not whole # of iteration descriptions.
598 (niter_for_exit): Return just # of iterations. Fail if # of iterations
599 uses abnormal ssa name.
600 (niter_for_single_dom_exit): Ditto.
601 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
602 return just the number of iterations.
604 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
606 PR tree-optimization/27144
607 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
608 (record_estimate): Only record constant upper bound.
609 (infer_loop_bounds_from_undefined): Call
610 compute_estimated_nb_iterations just once.
611 (proved_non_wrapping_p): Renamed to ...
612 (n_of_executions_at_most): ... this. Expect bound to be a constant.
613 (convert_step_widening, scev_probably_wraps_p): Call
614 n_of_executions_at_most instead of proved_non_wrapping_p.
615 (substitute_in_loop_info): Do not replace values in bounds.
616 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
619 2006-05-01 Richard Henderson <rth@redhat.com>
622 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
623 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
626 2006-05-01 Roger Sayle <roger@eyesopen.com>
628 * c-typeck.c (parser_build_binary_op): Don't call the function
629 unsigned_conversion_warning to spot operand/result type overflow.
630 (build_binary_op): Instead, call convert_and_check instead of
631 convert to report the problem when the operands are promoted.
632 * c-common.c (unsigned_conversion_warning): Make static.
633 * c-common.h (unsigned_conversion_warning): Delete prototype.
635 2006-05-01 Richard Guenther <rguenther@suse.de>
637 PR tree-optimization/26726
638 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
640 (find_interesting_uses_address): ... we work around here
641 by folding INDIRECT_REFs in the substituted base.
643 2006-05-01 Diego Novillo <dnovillo@redhat.com>
645 * omp-low.c (dump_omp_region): Add newlines.
647 2006-04-30 Roger Sayle <roger@eyesopen.com>
649 * common.opt (Woverflow): New command line option.
650 * c-common.c (constant_expression_warning): Check warn_overflow.
651 (overflow_waring): Pass OPT_Woverflow to warning.
652 (unsigned_conversion_warning): Likewise.
653 (convert_and_check): Likewise.
654 * doc/invoke.texi: Document new command line option.
656 2006-04-30 David Edelsohn <edelsohn@gnu.org>
658 * config/rs6000/rs6000.c (rs6000_override_options): Enable
659 TARGET_NO_FP_IN_TOC for section anchors.
660 (optimization_options): Enable section anchors for all
661 non-"Objective" languages.
663 2006-04-28 Eric Christopher <echristo@apple.com>
665 * config/darwin-c.c (darwin_ms_struct): Move this
666 (darwin_set_default_type_attributes): and this...
667 * config/darwin.c: ... here.
668 * config/darwin.h (darwin_ms_struct): Declare.
670 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
672 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
674 2006-04-28 Roger Sayle <roger@eyesopen.com>
677 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
678 (push_array_bounds): Delete prototype. Change BOUNDS argument to
679 an unsigned HOST_WIDE_INT.
680 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
682 (really_start_incremental_init): No need to call convert because
683 bitsize_zero_node is already of type bitsizetype.
684 (push_init_level): Extract the value of constructor_index as an
685 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
686 (process_init_element): Likewise.
688 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
690 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
691 value before passing to make_relative_prefix.
693 2006-04-28 Alan Modra <amodra@bigpond.net.au>
696 * builtins.c (expand_builtin_memset): Expand val in original mode.
698 2006-04-27 Eric Christopher <echristo@apple.com>
700 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
702 * config/darwin-c.c (darwin_ms_struct): New.
703 (darwin_pragma_ms_struct): Ditto.
704 (darwin_set_default_type_attributes): Ditto.
705 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
706 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
707 Register ms_struct pragma.
708 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
709 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
710 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
711 darwin_set_default_type_attributes if TARGET_MACHO.
713 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
715 PR tree-optimization/26854
716 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
717 * doc/tree-ssa.texi: Update immuse iterator documentation.
718 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
719 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
720 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
721 first_safe_imm_use, next_safe_imm_use): Remove.
722 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
723 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
724 (move_use_after_head): New. Helper function to sort immuses in a stmt.
725 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
726 (first_imm_use_stmt): New. Get first stmt in an immuse list.
727 (next_imm_use_stmt): New. Get next stmt in an immuse list.
728 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
729 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
730 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
731 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
732 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
733 (perfect_nestify): Use new iterator.
734 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
736 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
737 (next_imm_name): New field in struct immediate_use_iterator_d.
738 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
739 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
740 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
741 * tree-cfg.c (replace_uses_by): Use new iterator.
742 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
743 * tree-ssa-operands.c (correct_use_link): Remove.
744 (finalize_ssa_use_ops): No longer call correct_use_link.
746 2006-04-27 Stuart Hastings <stuart@apple.com>
748 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
749 * config/t-darwin (crt3.o): Use it.
750 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
751 'pmode', use Pmode instead of SImode for SYMBOL_REF.
752 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
753 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
754 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
757 2006-04-27 Roger Sayle <roger@eyesopen.com>
759 * expmed.c (store_fixed_bit_field): If we're not optimizing for
760 size, force the intermediate into a new pseudo rather instead of
761 performing both a bitwise AND and a bitwise IOR in memory.
763 2006-04-27 Richard Guenther <rguenther@suse.de>
765 PR rtl-optimization/26685
766 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
767 this one "max-flow-memory-locations".
769 2006-04-27 Richard Guenther <rguenther@suse.de>
771 PR tree-optimization/25148
772 * tree-vrp.c (compare_values): Remove code dealing with
773 comparisons against type min/max value. Honour overflow
774 and negative constants in code dealing with comparisons
775 of plus and minus expressions.
776 (value_inside_range): Use fold_binary with LE_EXPR and
777 GE_EXPR rather than compare_values.
779 2006-04-27 Dirk Mueller <dmueller@suse.de>
781 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
784 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
786 * basic-block.h (safe_insert_insn_on_edge): Removed.
787 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
789 2006-04-26 David Edelsohn <edelsohn@gnu.org>
790 Paolo Bonzini <bonzini@gnu.org>
793 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
794 (simplify_and_const_int): Same.
796 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
798 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
800 2006-04-26 Jakub Jelinek <jakub@redhat.com>
803 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
804 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
805 cgraph_global_info_ready.
808 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
811 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
812 either decl or init is error_mark_node.
815 * tree-flow.h (struct omp_region): Add sched_kind.
816 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
817 instead of extracting omp for data.
818 (expand_omp_for): Save extracted sched_kind.
820 2006-04-25 Roger Sayle <roger@eyesopen.com>
822 * expmed.c (store_bit_field): Also check whether the bitsize is
823 valid for the machine's "insv" instruction before moving the
824 target into a pseudo for use with the insv.
825 * config/i386/predicates.md (const8_operand): New predicate.
826 * config/i386/i386.md (extv, extzv, insv): Use the new
827 const8_operand predicate where appropriate.
829 2006-04-25 DJ Delorie <dj@redhat.com>
831 * doc/install.texi (Specific): Clarify that this is not a list of
832 supported hosts or targets.
834 2006-04-25 Richard Sandiford <richard@codesourcery.com>
836 PR rtl-optimization/26725
837 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
838 block's BB_DIRTY flag.
840 2006-04-25 Geoffrey Keating <geoffk@apple.com>
842 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
845 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
848 2006-04-25 David Edelsohn <edelsohn@gnu.org>
850 * varasm.c (align_variable): New function.
851 (get_block_for_decl): Apply align_variable to DECL before
852 calculating section information.
853 (assemble_variable): Split out alignment computation.
855 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
857 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
860 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
862 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
863 MODE_PARTIAL_INT mode.
864 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
865 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
867 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
868 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
870 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
872 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
874 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
875 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
876 MACFLAG_IH): Likewise.
877 (movstricthi_1): Renamed from "*movstricthi".
878 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
879 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
880 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
881 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
882 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
883 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
884 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
885 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
886 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
887 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
888 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
889 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
890 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
891 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
892 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
894 * doc/rtl.texi (ss_ashift): Improve wording.
896 2006-04-24 Geoffrey Keating <geoffk@apple.com>
898 * dwarf2out.c (verify_marks_clear): New.
899 (prune_unused_types): Call verify_marks_clear initially, not
902 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
904 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
905 * doc/rtl.texi: Document them.
906 * simplify-rtx.c (simplify_unary_operation,
907 simplify_binary_operation_1): Don't abort when we see them.
909 2006-04-24 Mark Mitchell <mark@codesourcery.com>
912 2006-04-23 Mark Mitchell <mark@codesourcery.com>
913 * configure.ac: Completely disregard languages that are not
915 * configure: Regenerated.
917 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
918 Richard Guenther <rguenther@suse.de>
920 PR tree-optimization/27236
921 * tree-inline.c (copy_body_r): Make sure to copy
922 TREE_THIS_VOLATILE flag.
924 2006-04-24 Richard Guenther <rguenther@suse.de>
927 * tree-complex.c (update_parameter_components): Don't handle
928 unused parameters which have no default def.
930 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
931 Richard Guenther <rguenther@suse.de>
933 PR tree-optimization/27218
934 * tree-inline.c (expand_call_inline): Strip useless type
935 conversions for the return slot address.
937 2006-04-24 Richard Guenther <rguenther@suse.de>
939 * cfgloop.h (struct loops): Remove unused field array. Reorder
941 (LOOP_PREFETCH): Remove.
943 2006-04-24 Richard Guenther <rguenther@suse.de>
945 PR tree-optimization/22525
946 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
947 variable, adjust types of generated expressions.
949 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
951 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
952 (tree-vect-patterns.o): Likewise.
954 (cselib.o): Likewise.
955 (loop-doloop.o): Likewise.
956 (regclass.o): Likewise.
957 (reload1.o): Likewise.
958 (explow.o): Replace target.h with $(TARGET_H).
959 (ipa-prop.o): Likewise.
960 (ipa-cp.o): Likewise.
961 (ipa-inline.o): Likewise.
963 (reg-stack.o): Likewise.
965 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
967 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
969 2006-04-23 Mark Mitchell <mark@codesourcery.com>
971 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
973 * configure.ac: Completely disregard languages that are not
975 * configure: Regenerated.
978 * c-common.h (c_build_bitfield_integer_type): Declare.
979 * c-decl.c (c_build_bitfield_integer_type): Move to ...
980 * c-common.c (c_build_bitfield_integer_type): ... here.
982 2006-04-23 Roger Sayle <roger@eyesopen.com>
985 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
986 a SImode SUBREG of a floating point register after no_new_pseudos.
988 2006-04-23 Roger Sayle <roger@eyesopen.com>
990 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
991 identify potentially eliminable registers to additionally catch
992 VIRTUAL_INCOMING_ARGS_REGNUM.
993 (addsi3): Update the conditions on when to use addsi_small_int.
995 2006-04-23 Roger Sayle <roger@eyesopen.com>
998 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
999 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1000 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1002 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1004 * fold-const.c (range_predecessor): Use operand_equal_p
1005 as the predicate for equality.
1006 (range_successor): Likewise.
1008 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1011 * config/soft-fp/op-common.h: Fix a typo.
1013 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1016 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1017 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1019 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1021 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1023 * doc/tm.texi: Fix a typo.
1025 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1027 * dwarf2out.c (struct die_struct): Document that die_sib makes
1028 a circular linked list.
1029 (FOR_EACH_CHILD): New.
1030 (reverse_die_lists): Delete.
1031 (reverse_all_dies): Delete.
1032 (add_dwarf_attr): Correct documentation.
1033 (remove_child_with_prev): New.
1034 (remove_child_TAG): Update for change to die_struct, use
1035 remove_child_with_prev.
1036 (add_child_die): Update for change to die_struct.
1037 (splice_child_die): Use remove_child_with_prev and add_child_die.
1038 (print_die): Use FOR_EACH_CHILD.
1039 (die_checksum): Likewise.
1040 (assign_symbol_names): Likewise.
1041 (output_location_lists): Likewise.
1042 (build_abbrev_table): Likewise.
1043 (calc_die_sizes): Likewise.
1044 (mark_dies): Likewise.
1045 (unmark_dies): Likewise.
1046 (unmark_all_dies): Likewise.
1047 (output_die): Likewise.
1048 (prune_unused_types_mark): Likewise.
1049 (prune_unused_types_walk): Likewise.
1050 (same_die_p): Update for change to die_struct.
1051 (break_out_includes): Likewise.
1052 (prune_unused_types_prune): Likewise.
1053 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1054 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1056 (dwarf2out_finish): Don't call reverse_all_dies.
1058 2006-04-21 Eric Christopher <echristo@apple.com>
1060 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1061 in comments and function names.
1063 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1066 * c-typeck.c (digest_init): Robustify.
1068 * c-typeck.c (pop_init_level): Simplify.
1070 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1072 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1074 2006-04-21 Paul Brook <paul@codesourcery.com>
1076 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1077 hardware floating point.
1079 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1081 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1084 2006-04-21 Nick Clifton <nickc@redhat.com>
1086 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1089 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1092 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1093 C++ lang type in traceback table for Objective-C++.
1095 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1097 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1099 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1101 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1104 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1105 were errors. Remove check for erroneous objects.
1107 2006-04-20 Jeff Law <law@redhat.com>
1109 PR tree-optimization/26854
1110 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1111 checking for zero or one use.
1112 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1113 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1114 * tree-ssa-reassoc.c (negate_value): Similarly.
1115 (reassociate_bb): Similarly.
1117 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1119 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1120 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1121 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1123 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1125 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1126 fp regs if the last fp arg doesn't fit in regs.
1128 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1131 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1132 that the last insn has the REG_INC note.
1134 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1135 Nathan Sidwell <nathan@codesourcery.com>
1138 * stor-layout.c (update_alignment_for_field): Do not align
1140 (place_union_field): Place union field at the start of the union.
1141 (place_field): Move ERROR_MARK check later, and use the current
1142 allocation position to maintain monotonicity.
1144 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1146 * dominance.c: Include timevar.h.
1147 (calculate_dominance_info): Use TV_DOMINANCE.
1148 * timevar.def (TV_DOMINANCE): New timevar.
1149 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1151 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1153 PR rtl-optimization/14261
1154 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1155 move would be an INSV insn.
1156 (noce_process_if_block): Don't optimize if the destination is a
1157 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1159 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1161 * config/s390/s390.md: Add comments with the instructions emitted
1162 by an insn pattern if macros are used.
1164 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1166 PR rtl-optimization/26026
1167 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1168 is a known power of two shifted left a variable amount.
1170 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1172 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1173 to hash table twice when the debug_str section has SECTION_MERGE.
1175 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1177 * config/soft-fp: New directory. From glibc.
1178 * config/soft-fp/t-softfp: New.
1179 * config/soft-fp/README: New.
1180 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1181 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1182 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1183 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1184 * config.gcc: Use rs6000/t-fprules-fpbit or
1185 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1187 * config/rs6000/sfp-machine.h: New. Based on glibc.
1188 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1190 * config/rs6000/t-fprules: Remove fp-bit rules.
1191 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1192 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1193 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1194 (softfp_wrap_start, softfp_wrap_end): New.
1196 2006-04-18 DJ Delorie <dj@redhat.com>
1198 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1200 2006-04-18 Devang Patel <dpatel@apple.com>
1202 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1204 2006-04-18 Nick Clifton <nickc@redhat.com>
1206 * config/sh/t-symbian: Add rule to build sh-c.o
1207 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1208 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1209 (sh_symbian_encode_section_info): Likewise.
1211 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1213 * builtins.c (expand_builtin_strcmp): Cover label definition of
1214 do_libcall with HAVE_cmpstrnsi.
1216 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1218 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1220 * function.h (temp_slot_p): New.
1221 (function): Change the type of x_used_temp_slots to
1222 VEC(temp_slot_p,gc) *.
1224 2006-04-18 Nick Clifton <nickc@redhat.com>
1226 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1227 flag_strength_reduce.
1229 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1231 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1235 Partial revert of revision 112637
1236 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1237 Dale Johannesen <dalej@apple.com>
1240 * regclass.c (struct reg_pref): Update documentation.
1241 (regclass): Set prefclass to NO_REGS if memory is the best option.
1242 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1244 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1246 PR tree-optimization/26821
1247 * tree-ssa-math-opts.c (get_constant_one): New.
1248 (insert_reciprocals): Use it.
1250 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1252 * dwarf2out.c (free_AT): Delete.
1253 (remove_AT): Update string ref counts.
1254 (remove_child_TAG): Don't call free_die.
1256 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1257 or DW_TAG_GNU_EINCL.
1258 (prune_unused_types_walk_attribs): Reset string refcounts.
1259 (prune_unused_types_update_strings): New.
1260 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1261 call free_die. Do call prune_unused_types_update_strings.
1262 (prune_unused_types): Empty debug_str_hash.
1264 2006-04-17 Roger Sayle <roger@eyesopen.com>
1266 * expr.c (expand_assignment): Optimize away no-op moves where the
1267 source and destination are equal and have no side-effects.
1269 2006-04-17 Richard Guenther <rguenther@suse.de>
1272 * reload.c (push_reload): Guard calls to get_secondary_mem
1275 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1277 * alias.c (reg_base_value, old_reg_base_value): Change the
1278 type to VEC(rtx,gc) *.
1279 (REG_BASE_VALUE, find_base_value, record_set,
1280 init_alias_analysis): Use VEC instead of VARRAY.
1282 * alias.c (alias_sets): Change the type to
1283 VEC(alias_set_entry,gc) *.
1284 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1285 VEC instead of VARRAY.
1286 (last_alias_set): Remove.
1288 * cgraph.h (cgraph_edge_p): New.
1289 Update the prototype of cgraph_function_versioning.
1290 * cgraphunit.c (cgraph_copy_node_for_versioning,
1291 cgraph_function_versioning): Use VEC instead of VARRAY.
1292 * ipa-cp.c (ipcp_insert_stage): Likewise.
1294 2006-04-16 Roger Sayle <roger@eyesopen.com>
1297 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1298 "A op B" or "A op C", we may need to convert A to the type of B and C.
1300 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1302 * target.h (struct gcc_target): Add mode_rep_extended.
1303 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1304 (init_num_sign_bit_copies_in_rep): Initialize it using
1306 (truncate_to_mode): Use it.
1307 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1308 * targhooks.h (default_mode_rep_extended): Declare it.
1309 * targhooks.c (default_mode_rep_extended): Define it.
1310 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1311 default_mode_rep_extended.
1312 (TARGET_INITIALIZER): Include it.
1313 * doc/tm.texi (Misc): Document it.
1314 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1315 (mips_truncated_to_mode): New function.
1317 2006-04-16 Roger Sayle <roger@eyesopen.com>
1320 * expr.c (compress_float_constant): Copy the narrow constant into
1321 a new pseudo before extending it to its final width.
1323 2006-04-16 Roger Sayle <roger@eyesopen.com>
1324 Andrew Pinski <pinskia@gcc.gnu.org>
1325 Dale Johannesen <dalej@apple.com>
1328 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1329 special case code to implement V8HImode and V16QImode with SSE2.
1331 2006-04-15 Roger Sayle <roger@eyesopen.com>
1333 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1334 trees are constructed with a suitable tree type.
1336 2006-04-15 Roger Sayle <roger@eyesopen.com>
1338 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1339 (integer_onep): Likewise.
1340 (integer_all_onesp): Likewise.
1341 (integer_pow2p): Likewise.
1342 (integer_nonzerop): Likewise.
1343 (real_zerop): Likewise.
1344 (real_onep): Likewise.
1345 (real_twop): Likewise.
1346 (real_minus_onep): Likewise.
1347 (int_size_in_bytes): Likewise.
1348 (host_integerp): Likewise.
1350 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1352 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1353 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1354 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1356 * tree-ssa-structalias.h (alias_info): Remove num_references.
1358 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1360 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1361 (output_bvb patterns): Likewise.
1362 * pa.c (output_bb): Use 'bb' insn for long branch case.
1363 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1364 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1365 1. Correct length operand for alternatives 1 and 2.
1366 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1367 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1369 2006-04-14 Roger Sayle <roger@eyesopen.com>
1371 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1372 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1373 were accidentally reverted by r112959.
1375 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1378 * except.h (eh_region_outermost): New prototype.
1379 * except.c (eh_region_outermost): New function.
1380 * tree-cfg.c (find_outermost_region_in_block): Use it.
1382 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1384 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1386 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1387 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1388 (init_reload, reload): Use VEC instead of VARRAY.
1389 * reload.h: Update the prototype for
1390 reg_equiv_memory_loc_varray.
1392 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1393 Eric Botcazou <ebotcazou@libertysurf.fr>
1395 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1398 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1401 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1402 to expand fallback builtin function call.
1404 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1407 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1408 and emit libcall here in case the builtin fails.
1409 (expand_builtin_strcmp): Always emit the libcall here on failure.
1411 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1413 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1414 * flow.c (reg_n_info): Change the type to
1415 VEC(reg_info_p,heap) *.
1416 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1418 * regs.h (reg_info_p): New.
1419 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1420 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1421 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1424 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1426 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1428 * params.h (MAX_SCHED_READY_INSNS): New macro.
1429 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1430 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1431 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1432 the ready list for 1 cycle during the first scheduling pass.
1433 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1435 2006-04-13 Richard Henderson <rth@redhat.com>
1438 * gimple-low.c (lower_omp_directive): Remove dead code.
1439 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1440 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1441 * omp-low.c (struct omp_region): Move to tree-flow.h.
1442 (root_omp_region): Export.
1443 (omp_regions, lookup_omp_region): Remove.
1444 (determine_parallel_type): Update for struct omp_region changes.
1445 (dump_omp_region): Dump regions with block numbers.
1446 (new_omp_region): Take type and block instead of stmt; malloc
1448 (free_omp_region_1, free_omp_regions): New.
1449 (expand_parallel_call): Take entry_stmt as argument; update for
1450 changes to omp_region.
1451 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1452 (remove_exit_barriers): New.
1453 (expand_omp_parallel): Update for struct omp_region changes.
1454 (expand_omp_synch): Likewise.
1455 (expand_omp): Likewise.
1456 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1457 (expand_omp_for_static_chunk): Likewise.
1458 (expand_omp_for): Likewise.
1459 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1460 (expand_omp_sections): Similarly, with GOMP_sections_end.
1461 (expand_omp_single): New.
1462 (build_omp_regions_1): Update for OMP_CONTINUE.
1463 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1464 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1465 OMP_SECTIONS_SECTIONS.
1466 (lower_omp_single_simple): Don't emit barrier here.
1467 (lower_omp_single_copy): Likewise.
1468 (lower_omp_single): Fix bindings, and lower to straightline now.
1469 (lower_omp_master, lower_omp_ordered): Likewise.
1470 (lower_omp_critical): Likewise.
1471 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1472 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1473 omp edges, free it afterward.
1474 (make_omp_sections_edges): Remove.
1475 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1476 (move_stmt_r): Handle OMP_CONTINUE.
1477 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1478 statement pointers to basic blocks. Add type member.
1479 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1480 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1481 * tree-inline.c (estimate_num_insns_1): Likewise.
1482 * tree-pretty-print.c (dump_generic_node): Likewise.
1483 * tree-ssa-operands.c (get_expr_operands): Likewise.
1484 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1485 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1486 (OMP_CONTINUE): New.
1487 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1488 (OMP_SECTIONS_SECTIONS): Remove.
1489 (OMP_SECTION_LAST): New.
1490 (OMP_RETURN_NOWAIT): New.
1492 2006-04-13 Roger Sayle <roger@eyesopen.com>
1494 * fold-const.c (native_encode_vector, native_interpret_real):
1495 Correct obvious mistakes in the previous check-in.
1497 2006-04-13 Roger Sayle <roger@eyesopen.com>
1499 * fold-const.c (native_encode_expr): New function to encode
1500 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1501 or VECTOR_CST into a specified buffer.
1502 (native_encode_int): New function.
1503 (native_encode_real): New function.
1504 (native_encode_complex): New function.
1505 (native_encode_vector): New function.
1506 (native_interpret_expr): Inverse of native_encode_expr to convert
1507 a target representation into an INTEGER_CST, REAL_CST etc...
1508 (native_interpret_int): New function.
1509 (native_interpret_real): New function.
1510 (native_interpret_complex): New function.
1511 (native_interpret_vector): New function.
1512 (fold_view_convert_expr): New function to constant fold/evaluate
1513 a VIEW_CONVERT_EXPR of a suitable constant expression.
1514 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1515 Change call of build1 to fold_build1 when constructing a
1518 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1519 Ulrich Weigand <uweigand@de.ibm.com>
1522 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1525 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1528 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1529 optimize to lo_sum for DFmode if !TARGET_FPRS.
1531 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1533 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1534 delete_alias_info, compute_flow_sensitive_aliasing,
1535 group_aliases): Use VEC instead of VARRAY.
1536 * tree-ssa-structalias.c (update_alias_info): Likewise.
1537 * tree-ssa-structalias.h (alias_info): Change the type of
1538 processed_ptrs to VEC(tree,heap) *.
1540 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1543 * config/sh/lib1funcs.h: New file, broken out of:
1544 * config/sh/lib1funcs.asm.
1545 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1547 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1548 * config/sh/lib1funcs-Os-4-200.asm: New file.
1549 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1550 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1551 (EXTRA_MULTILIB_PARTS): Include it.
1552 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1553 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1554 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1555 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1558 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1560 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1561 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1562 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1564 * tree-ssa-live.h: Include vecprim.h.
1565 (tree_partition_associator_d): Change the type of
1566 first_partition to VEC(int,heap) *.
1567 (tpa_first_partition): Use VEC instead of VARRAY.
1569 * Makefile.in (GTFILES): Move functions.h after tree.h.
1570 * function.c (reset_block_changes, record_block_change,
1571 check_block_change, free_block_changes): Use VEC instead of
1573 * function.h (function): Change the type of
1574 ib_boundaries_block to VEC(tree,gc) *.
1575 * tree-inline.c (copy_cfg_body): Initialize
1576 ib_boundaries_block to NULL instead of (varray_type) 0.
1578 2006-04-12 Roger Sayle <roger@eyesopen.com>
1580 * expr.c (emit_group_store): Correct operand order in call to
1581 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1582 a SUBREG_BYTE of zero.
1584 2006-04-12 Richard Guenther <rguenther@suse.de>
1586 * profile.c (compute_branch_probabilities): Remove code
1587 encapsulated in !ir_type (), which are remanents of the
1588 removed RTL profiling code.
1589 * rtl-profile.c: Remove.
1591 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1593 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1594 magic NULL_RTX comment.
1595 (function_arg): Store entire fp arg to mem if any part should go
1597 (rs6000_arg_partial_bytes): Adjust for above change.
1599 2006-04-11 Roger Sayle <roger@eyesopen.com>
1601 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1602 if it hasn't been initialized by dwarf2out_init.
1604 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1606 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1607 symbolic constants in branch patterns.
1609 2006-04-11 Roger Sayle <roger@eyesopen.com>
1611 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1613 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1615 PR rtl-optimization/27073
1616 * gcse.c (try_replace_reg): Revert last change. Continue to search
1617 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1620 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1622 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1623 aggregate types other than record and union types.
1624 (function_arg): Likewise.
1625 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1627 (function_value): In 64-bit mode, return objects that require it
1630 2006-04-11 Roger Sayle <roger@eyesopen.com>
1632 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1634 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1636 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1638 2006-04-03 Jeff Law <law@redhat.com>
1641 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1642 alias information too.
1644 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1646 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1648 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1651 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1652 (premark_used_types_helper): New.
1653 (premark_used_types): New.
1654 (gen_subprogram_die): Call premark_used_types.
1655 (prune_unused_types_walk): Do not prune perennial dies.
1656 * function.c (used_types_insert): New.
1657 * function.h (struct function): Add used_types_hash field.
1658 (used_types_insert): Add prototype.
1659 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1660 * c-parser.c (c_parser_cast_expression): Save casted types in used
1663 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1666 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1667 rs6000_explicit_options.float_gprs.
1669 2006-04-10 Roger Sayle <roger@eyesopen.com>
1671 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1672 from ix86_expand_vector_init_low_nonzero. Take an additional
1673 one_var argument indicating which element is non-zero. Support
1674 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1675 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1676 with one_var instead of ix86_expand_vector_init_low_nonzero.
1678 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1680 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1681 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1682 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1683 build/genextract.o): Depend on vecprim.h.
1684 * cfglayout.c, df-problems.c, function.c, genextract.c,
1685 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1686 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1690 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1692 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1693 Declare VECs of this type.
1694 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1695 (remove_children): Delete.
1696 (add_dwarf_attr): Use VEC routines.
1697 (add_AT_flag): Update for changes to add_dwarf_attr.
1698 (add_AT_int): Likewise.
1699 (add_AT_unsigned): Likewise.
1700 (add_AT_long_long): Likewise.
1701 (add_AT_vec): Likewise.
1702 (add_AT_string): Likewise.
1703 (add_AT_die_ref): Likewise.
1704 (add_AT_fde_ref): Likewise.
1705 (add_AT_loc): Likewise.
1706 (add_AT_loc_list): Likewise.
1707 (add_AT_addr): Likewise.
1708 (add_AT_lbl_id): Likewise.
1709 (add_AT_lineptr): Likewise.
1710 (add_AT_macptr): Likewise.
1711 (add_AT_offset): Likewise.
1712 (add_AT_range_list): Likewise.
1713 (get_AT): Use VEC_iterate.
1714 (remove_AT): Use VEC_ordered_remove.
1715 (free_die): Fold remove_children into here; have it use VEC_iterate.
1716 (print_die): Use VEC_iterate on attrs.
1717 (reverse_die_lists): Don't reverse attr lists.
1718 (die_checksum): Use VEC_iterate on attrs.
1719 (same_die_p): Likewise.
1720 (output_location_lists): Likewise.
1721 (build_abbrev_table): Likewise.
1722 (size_of_die): Likewise.
1723 (unmark_all_dies): Likewise.
1724 (output_abbrev_section): Likewise.
1725 (output_die): Likewise.
1726 (prune_unused_types_walk_attribs): Likewise.
1728 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1730 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1732 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1735 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1737 2006-04-09 Roger Sayle <roger@eyesopen.com>
1739 * expr.c (store_constructor): Don't bother clearing target if
1740 we're about to assign a vector to it using vec_init_optab.
1742 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1744 * tree-ssa-alias.c (lhs_may_store_to): New function.
1745 (recalculate_used_alone): Handle LHS of calls.
1747 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1751 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1752 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1753 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1754 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1755 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1756 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1757 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1758 stubs. Add ".align 8" directives before all ".dword" directives.
1759 (GTHREAD_USE_WEAK): Revise comment.
1760 (TARGET_ATTRIBUTE_WEAK): Define.
1761 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1762 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1763 * stublib.c: New file.
1768 * pa.md (cbranch patterns): Revise arguments used in calls to
1769 output_cbranch, output_bb and output_bvd. Add long branch length
1771 (fbranch patterns): Handle long branches.
1772 (jump): Revise length check. Revise arguments for output_lbranch call.
1773 Add long branch length attributes.
1774 (decrement_and_branch_until_zero): Add long branch length attributes.
1775 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1776 Likewise. Revise arguments for output_parallel_addb and
1777 output_parallel_movb calls.
1778 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1779 output_parallel_movb and output_parallel_addb): Update prototypes.
1780 * pa.c (output_cbranch): Revise arguments. Correct handling of
1781 nullification in long branches.
1782 (output_lbranch): Add new argument to control extraction of delay
1784 (output_bb): Handle long branches.
1785 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1786 output_parallel_addb): Likewise.
1788 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1790 PR rtl-optimization/27073
1791 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1794 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1796 * tree.h (tree_memory_tag): Add old_used_alone.
1797 (SMT_OLD_USED_ALONE): New macro.
1798 * tree-ssa-alias.c (recalculate_used_alone): Stop
1799 marking things for renaming unnecessarily.
1801 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1803 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1804 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1805 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1806 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1807 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1808 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1809 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1810 spelling convensions.
1811 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1812 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1813 typos. Follow spelling conventions.
1815 2006-04-07 DJ Delorie <dj@redhat.com>
1817 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1818 passed on the stack.
1819 (m32c_init_cumulative_args): When a function returns a structure,
1820 always pass the pointer to that return area on the stack.
1821 (m32c_function_arg_advance): Don't increment the parameter number
1822 if we're processing the returned structure pointer.
1823 (pushm_info): Reverse order of registers.
1825 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1827 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1828 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1829 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1830 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1832 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1833 chrec_fold_multiply): Same.
1834 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1835 force_expr_to_var_cost): Same.
1836 * tree-mudflap.c (mf_xform_derefs_1): Same.
1837 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1839 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1841 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1842 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1845 2006-04-07 Jan Hubicka <jh@suse.cz>
1847 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1849 2006-04-07 Richard Guenther <rguenther@suse.de>
1851 PR tree-optimization/26135
1852 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1853 loads for store copy-prop.
1854 (copy_prop_visit_stmt): Likewise.
1856 2006-04-05 Robert Millan <robertmh@gnu.org>
1858 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1859 being overriden in config/k*bsd-gnu.h.
1860 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1862 * gcc/config/knetbsd-gnu.h: Ditto.
1864 2006-04-06 Jan Hubicka <jh@suse.cz>
1868 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1871 2006-04-06 Mike Stump <mrs@apple.com>
1873 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1874 for HAVE_nonlocal_goto to be consistent.
1875 (expand_builtin_nonlocal_goto): Likewise.
1876 (expand_builtin_strcmp): Use #ifdef instead of #if
1877 for HAVE_cmpstrnsi to be consistent.
1879 2006-04-05 DJ Delorie <dj@redhat.com>
1881 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1884 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1886 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1887 got-relative addressing for anything but SImode.
1889 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1890 even if the calling function doesn't modify them.
1892 2006-04-05 Richard Guenther <rguenther@suse.de>
1894 PR tree-optimization/26919
1895 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1896 to cgraph_estimate_size_after_inlining.
1898 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1900 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1902 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1904 PR tree-optimization/26996
1905 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1906 VECTOR_TYPE variables.
1908 2006-04-05 Richard Guenther <rguenther@suse.de>
1910 PR tree-optimization/26763
1911 * fold-const.c (fold_comparison): Move folding of
1912 PTR + CST CMP PTR + CST ...
1913 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1915 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1917 * doc/install.texi (Prerequisites): Refine some wording on
1918 bootstrapping and ksh.
1919 Move the version numbers of DejaGnu here from the testing section
1920 and fix casing of names.
1921 Fix markup and clarify wording for autogen requirements.
1922 Refer to GCJ instead of just java.
1923 Refer to SVN instead of CVS.
1924 Describe diffutils as useful instead of necessary.
1925 (Downloading the source): Refer to SVN instead of CVS.
1926 Adjust a link to our web site accordingly.
1927 (Configuration): Fix casing of Bison.
1928 (Building): Refer to SVN instead of CVS.
1929 Fix a sentence on the use of Bison and remove duplicate (and
1930 incorrect) version number of Bison requirement.
1931 Remove one redundant list of packages needed for building.
1932 (Specific): Avoid reference to CVS.
1934 2006-04-04 Eric Christopher <echristo@apple.com>
1936 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1937 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1938 (rs6000_handle_struct_attribute): New.
1939 (rs6000_ms_bitfield_layout_p): Ditto.
1941 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1943 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1944 NULL for dso parameter to atexit_common.
1946 2006-04-04 Eric Christopher <echristo@apple.com>
1948 * config/i386/i386.c (machopic_output_stub): Output \t
1949 between instructions and operands.
1951 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1953 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1954 satisfies_constraint_[IL] to explicit tests on value.
1956 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1958 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1959 set_nb_iterations_in_loop): Use build_int_cst instead of
1961 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1962 build_int_cst instead of convert.
1964 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1966 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1967 new value 2 for incoming.
1968 * function.c (expand_function_start): Call struct_value_rtx
1970 * config/sparc/sparc.md: Comment updated_return.
1971 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1972 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1973 struct return if sparc_std_struct_return and incoming is 2.
1974 (print_operand): Do not adjust return if
1975 sparc_std_struct_return.
1977 2006-04-04 Roger Sayle <roger@eyesopen.com>
1979 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1980 convert in the middle-end.
1981 * expr.c (store_expr, store_constructor, get_inner_reference,
1982 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1984 * tree.c (build_range_type): Likewise.
1986 2006-04-04 Tom Tromey <tromey@redhat.com>
1988 * doc/install.texi (Prerequisites): Mention jar.
1990 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1992 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1995 2006-04-04 Matthias Klose <doko@debian.org>
1997 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1998 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2001 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2003 * doc/extend.texi (Function Attributes): Rewrite visibility
2004 attribute documentation.
2005 * doc/invoke.texi (C++ Dialect Options): Rewrite
2006 -fvisibility-inlines-hidden documentation to describe something
2007 entirely different, although in practise compatible.
2008 (Code Gen Options): Warn about system headers in -fvisibiltity=
2011 * doc/extend.texi (Other Builtins): Document that
2012 __builtin_nan is a compile-time constant only when its argument
2015 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2017 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2018 trying to remove TRUNCATE check if all bits outside the new mode
2019 are identical to the sign bit.
2021 2006-04-03 Jeff Law <law@redhat.com>
2023 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2024 and operand scanning in some common cases.
2026 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2027 Dale Johannesen <dalej@apple.com>
2030 * regclass.c (struct reg_pref): Update documentation.
2031 (regclass): Set prefclass to NO_REGS if memory is the best option.
2032 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2033 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2034 into account. For non-registers, equate an empty preferred
2035 reload class to a `!' in the constraint; move the if clause to
2036 do so after those that reject the insn.
2037 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2039 (find_dummy_reload): Likewise.
2040 * doc/tm.texi (Register Classes): Document what it means
2041 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2042 * config/i386/i386.c (ix86_preferred_reload_class): Force
2043 using SSE registers (and return NO_REGS for floating-point
2044 constants) if math is done with SSE.
2045 (ix86_preferred_output_reload_class): New.
2046 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2047 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2048 * config/i386/i386.md: Remove # register preferences.
2050 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2053 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2054 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2055 the type of nb_iter.
2056 (instantiate_parameters_1): Convert the operands before calling
2057 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2058 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2060 2006-04-02 Roger Sayle <roger@eyesopen.com>
2062 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2063 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2065 * dojump.c (do_jump): Likewise.
2066 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2067 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2068 gimplify_boolean_expr): Likewise.
2069 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2070 * varasm.c (array_size_for_constructor): Likewise.
2071 * tree-object-size.c (compute_object_offset): Likewise.
2073 2006-04-02 Roger Sayle <roger@eyesopen.com>
2076 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2077 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2079 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2081 PR tree-optimization/26939
2082 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2084 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2086 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2087 at_stmt. Convert the type of operands before calling
2088 build_polynomial_chrec.
2089 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2091 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2092 (instantiate_parameters_1): Convert the type of operands before calling
2093 build_polynomial_chrec.
2094 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2095 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2096 reset_evolution_in_loop): Insert asserts to check the types of the
2098 (chrec_type): Moved...
2099 (eq_evolutions_p): Use operand_equal_p.
2100 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2101 the types of the operands.
2102 (chrec_type): ...here.
2103 * tree-data-ref.c (create_data_ref): Convert the operands before
2104 calling chrec_replace_initial_condition.
2105 (same_access_functions, analyze_subscript_affine_affine,
2106 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2107 (compute_subscript_distance, analyze_ziv_subscript,
2108 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2109 analyze_miv_subscript): Convert the operands before calling
2110 chrec_fold_minus or chrec_fold_plus.
2112 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2114 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2115 the dependence_relations vector.
2116 (compute_data_dependences_for_loop): Adjust call to
2117 compute_all_dependences.
2119 2006-04-01 Roger Sayle <roger@eyesopen.com>
2120 Richard Henderson <rth@redhat.com>
2122 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2123 gimple_boolify on the condition before calling gimplify_expr.
2125 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2127 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2128 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2129 the frame size. Update to use the new macros.
2130 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2131 * config/xtensa/ieee754-df.S: Likewise.
2133 2006-03-31 Richard Henderson <rth@redhat.com>
2135 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2136 (make_edges): ... here. Control fallthru creation with a local
2137 variable. Do not play with fake edges.
2138 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2139 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2142 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2144 * dwarf2.h (DW64_CIE_ID): Define.
2145 * dwarf2out.c (DWARF_CIE_ID): Define.
2146 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2147 length header. Use DWARF_CIE_ID.
2148 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2149 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2151 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2153 * config/sh/linux-atomic.asm: New file.
2154 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2156 2006-03-31 DJ Delorie <dj@redhat.com>
2158 * config/m32c/cond.md: Set condition flags properly throughout.
2159 * config/m32c/minmax.md: Likewise.
2160 * config/m32c/prologue.md: Likewise.
2161 * config/m32c/bitops.md: Likewise.
2162 * config/m32c/muldiv.md: Likewise.
2163 * config/m32c/mov.md: Likewise.
2164 * config/m32c/addsub.md: Likewise.
2165 * config/m32c/m32c.md: Likewise.
2166 * config/m32c/jump.md: Likewise.
2167 * config/m32c/shift.md: Likewise.
2169 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2170 conditionally output the pattern for this.
2171 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2172 (m32c_compare_redundant): New.
2173 (m32c_output_compare): New.
2174 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2176 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2177 dest, not src. Allow other 4-byte modes.
2179 2006-03-30 Denis Chertykov <denisc@overta.ru>
2181 * doc/md.texi: Refer to avr/constraints.md instead of
2184 2006-03-30 Roger Sayle <roger@eyesopen.com>
2186 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2187 signed vs. unsigned comparison failures on some hosts.
2189 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2192 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2193 change to FLOAT_REGS.
2195 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2196 (rs6000_override_options): Use it.
2197 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2198 only for -mabi=spe/no-spe and -mabi=altivec.
2200 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2202 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2205 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2207 * Makefile.in: Rename docdir to gcc_docdir.
2209 2006-03-30 Roger Sayle <roger@eyesopen.com>
2212 * expr.c (emit_group_store): Optimize group stores into a pseudo
2213 register by using a paradoxical subreg to initialize the destination
2214 if the first or last member of the group specifies a "low part".
2216 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2219 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2220 * target.h (struct gcc_target.speculate_insn): Change type of the
2221 second parameter to 'int'.
2222 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2223 the second operand of the DEPS_LIST.
2224 (copy_DEPS_LIST_list): Update reference to the second operand of the
2226 * rtl.h (alloc_DEPS_LIST): Update signature.
2227 * sched-int.h (ds_t): Change typedef to 'int'.
2228 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2230 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2232 * haifa-sched.c (try_ready): Change condition to restore
2233 non-speculative pattern of the instruction.
2234 (process_insn_depend_be_in_spec): Code to keep probability of the
2235 speculative dependence non-decreasing.
2237 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2239 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2240 (single_move_for_movmem): ... this. Also change all uses.
2241 (bfin_expand_strmov): Renamed to...
2242 (bfin_expand_movmem): ... this. Also change all uses.
2243 * config/bfin/bfin.md (movstrsi): Renamed to...
2244 (movstrsi): ...this.
2246 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2248 PR tree-optimization/26830
2250 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2251 (copy_prop_visit_stmt): Remove write-only variable ann.
2252 (init_copy_prop): Check variable loop depth here. Do not simulate
2253 memory-tag and virtual operand PHIs except for store copy prop.
2255 2006-03-30 Richard Guenther <rguenther@suse.de>
2257 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2258 variants with double arguments.
2260 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2262 * genpreds.c (write_tm_constrs_h): Delete variable p.
2263 * genconditions.c (write_header): Add tm-constrs.h to included
2265 * genpeep.c (main): Add toplev.h to included headers.
2266 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2267 (build/genpeep.o): Add toplev.h dependency.
2268 * config/rs6000/constraints.md: Add "W" constraint.
2270 2006-03-29 Roger Sayle <roger@eyesopen.com>
2272 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2273 sizes by correctly testing whether the size fits a host integer.
2274 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2275 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2276 SImode range for the default sizetype and bitsizetype.
2278 2006-03-29 Roger Sayle <roger@eyesopen.com>
2280 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2281 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2282 quickly if the argument is already of the correct type.
2283 Call fold_build1 instead of build1. Tidy up blank lines.
2285 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2287 * genemit.c (main): Add tm-constrs.h to included headers.
2288 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2289 * genpeep.c (main): Add tm-constrs.h to included headers.
2290 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2291 (write_tm_constrs_h): this and write complete file.
2292 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2293 (write_insn_preds_c): Add tm-constrs.h to included headers.
2294 (gen_constrs): New variable.
2295 (parse_option): Parse "-c".
2296 (main): Invoke write_tm_constrs_h.
2297 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2298 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2299 (object_out_file): Add tm-constrs.h dependency.
2300 (insn-emit.o): Same.
2301 (insn-output.o): Same.
2302 (insn-peep.o): Same.
2303 (insn-preds.o): Same.
2304 (insn-recog.o): Same.
2305 (tm-constsr.h): New target.
2306 (s-constrs-h): New target.
2308 * config/rs6000/constraints.md: New file.
2309 * config/rs6000/rs6000.c: Include tm-constrs.h.
2310 (num_insn_constant_wide): Convert to satisfies_constraint.
2311 (rs6000_rtx_costs): Convert to satisfies_constraint.
2312 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2313 (CONST_OK_FOR_LETTER_P): Delete.
2314 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2315 (EXTRA_CONSTRAINT): Delete.
2316 (EXTRA_MEMORY_CONSTRAINT): Delete.
2317 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2318 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2319 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2320 satisfies_constraint.
2322 * config/i386/i386.c: Include tm-constrs.h.
2324 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2326 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2327 * tree-data-ref.c (find_data_references_in_loop,
2328 compute_data_dependences_for_loop): Use pointers to VEC.
2329 (analyze_all_data_dependences): Adjust calls.
2330 * tree-data-ref.h (find_data_references_in_loop,
2331 compute_data_dependences_for_loop): Adjust declarations.
2332 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2333 compute_data_dependences_for_loop.
2335 2006-03-29 Paul Brook <paul@codesourcery.com>
2337 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2340 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2342 PR tree-optimization/26859
2343 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2345 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2346 for the step after fold_convert.
2348 2006-03-29 Paul Brook <paul@codesourcery.com>
2350 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2351 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2353 2006-03-29 Paul Brook <paul@codesourcery.com>
2356 * targhooks.c (default_narrow_bitfield): New fuction.
2357 * targhooks.h (default_narrow_bitfield): add prototype.
2358 * target.h (gcc_target): Add narrow_volatile_bitfield.
2359 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2360 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2361 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2362 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2364 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2366 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2368 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2369 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2370 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2371 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2372 (s390_function_arg_float): Allow SDmode and DDmode values to be
2373 passed in floating point registers.
2374 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2375 check with SCALAR_FLOAT_MODE_P.
2376 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2378 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2380 PR tree-optimization/25985
2381 * tree-ssa-loop-niter.c (number_of_iterations_le,
2382 number_of_iterations_ne): Make comments more precise.
2383 (number_of_iterations_cond): Add only_exit argument. Use the
2384 fact that signed variables do not overflow only when only_exit
2386 (loop_only_exit_p): New.
2387 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2388 number_of_iterations_cond.
2390 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2392 PR tree-optimization/26643
2393 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2396 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2398 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2399 (divsi3_i4_int): Likewise.
2401 2006-03-28 Roger Sayle <roger@eyesopen.com>
2403 * expr.c (emit_group_store): Only create a new pseudo reg if the
2404 quantity it needs to hold isn't already a suitable pseudo.
2406 2006-03-28 Jeff Law <law@redhat.com>
2408 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2409 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2411 2006-03-28 Roger Sayle <roger@eyesopen.com>
2413 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2414 the equivalent ~X & Y, and the symmetry related transformations.
2415 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2416 ~X & Y, and symmetry related transforms.
2418 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2420 Revert my 2006-03-27 patches.
2422 2006-03-28 Roger Sayle <roger@eyesopen.com>
2424 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2425 ~(T1)X, when T1 and T2 are integer types of the same precision
2426 and (T2)X isn't an extension.
2428 2006-03-28 Jeff Law <law@redhat.com>
2430 PR tree-optimization/26796
2431 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2432 need EH edge cleanups rather than purging them immediately.
2433 (eliminate_degenerate_phis): Handle queued EH cleanups.
2435 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2437 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2440 2006-03-27 Roger Sayle <roger@eyesopen.com>
2443 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2444 cast BIT_NOT_EXPR operand to the correct type.
2446 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2448 * tree-loop-linear.c: Don't include varray.h.
2449 (gather_interchange_stats, try_interchange_loops,
2450 linear_transform_loops): Use VEC instead of VARRAY.
2451 * lambda-mat.c: Don't include varray.h.
2452 * tree-chrec.c: Same.
2453 * lambda-trans.c: Same.
2454 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2455 VEC instead of VARRAY.
2456 * tree-vectorizer.h: Idem.
2457 * tree-data-ref.c (dump_data_references,
2458 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2459 initialize_data_dependence_relation, finalize_ddr_dependent,
2460 compute_all_dependences, find_data_references_in_loop,
2461 compute_data_dependences_for_loop, analyze_all_data_dependences,
2462 free_dependence_relation, free_dependence_relations,
2463 free_data_refs): Idem.
2464 * tree-data-ref.h (data_reference_p, subscript_p): New.
2465 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2466 VEC instead of VARRAY.
2467 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2468 (find_data_references_in_loop, compute_data_dependences_for_loop,
2469 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2470 dump_data_dependence_relations, free_dependence_relations,
2471 free_data_refs): Adjust declaration.
2472 (lambda_transform_legal_p): Move declaration here...
2473 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2474 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2475 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2476 vect_analyze_data_refs): Use VEC instead of VARRAY.
2477 * lambda.h (lambda_transform_legal_p): ...from here.
2478 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2479 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2480 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2481 tree-chrec.o): Don't depend on VARRAY_H.
2483 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2485 * rtl.def (Copyright): Update date.
2486 (DEPS_LIST): Change type of the second operand to 'int'.
2487 * target.h (Copyright): Update date.
2488 (struct gcc_target.speculate_insn): Change type of the second parameter
2490 * lists.c (Copyright): Update date.
2491 (alloc_DEPS_LIST): Change signature. Update reference to the second
2492 operand of the DEPS_LIST.
2493 (copy_DEPS_LIST_list): Update reference to the second operand of the
2495 * rtl.h (Copyright): Update date.
2496 (alloc_DEPS_LIST): Update signature.
2497 * sched-int.h (Copyright): Update date.
2498 (ds_t): Change typedef to 'int'.
2499 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2501 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2503 * haifa-sched.c (Copyright): Update date.
2504 (try_ready): Change condition to restore non-speculative pattern
2506 (process_insn_depend_be_in_spec): Code to keep probability of the
2507 speculative dependence non-decreasing.
2509 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2511 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2512 shut up the compiler.
2514 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2516 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2517 to use lib prefix for target.
2518 ($(T)libic_invalidate_array_4-200.a): Likewise.
2519 ($(T)libic_invalidate_array_4a.a): Likewise.
2521 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2522 J"orn Rennecke <joern.rennecke@st.com>
2524 * superh.opt: New file.
2525 * sh.c (boardtype, osruntime): Remove.
2526 * superh.h (SUBTARGET_OPTIONS): Remove.
2527 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2529 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2530 arguments with ^ and/or [].
2532 * config.gcc (sh-*-*): Add quoting to account for quirk of
2534 Replace == with = in enable_incomplete_targets test.
2536 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2537 with MASK_LITTLE_ENDIAN.
2539 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2540 * config/sh/sh.opt: Added to some comments.
2541 * config/sh/superh.h: Removed some chaff.
2543 * config/sh/sh.opt: Add m4-[1234]00* options.
2544 * config/sh/sh.c (sh_handle_option): Likewise.
2545 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2546 (ic_invalidate_array_4-100.o): New rule.
2547 ($(T)libic_invalidate_array_4-100.a): Likewise.
2548 (ic_invalidate_array_4-200.o): Likewise.
2549 ($(T)libic_invalidate_array_4-200.a): Likewise.
2550 (ic_invalidate_array_4a.o): Likewise.
2551 ($(T)libic_invalidate_array_4a.a): Likewise.
2552 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2553 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2555 * config/sh/crt1.asm: Merged in profiling code.
2556 * config/sh/superh.h (STARTFILE_SPEC): Override.
2557 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2558 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2559 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2561 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2562 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2563 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2565 * sh.opt (mpretend-cmove): New option.
2566 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2567 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2568 (movsicc): Add TARGET_PRETEND_CMOVE code.
2570 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2572 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2573 s390_class_max_nregs): New function prototypes.
2574 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2575 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2576 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2577 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2579 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2581 * dwarf2out.c (add_location_or_const_value_attribute): Call
2582 tree_add_const_value_attribute if nothing else works.
2583 (reference_to_unused): New.
2584 (rtl_for_decl_init): Use reference_to_unused to decide whether
2585 to output an initializer.
2587 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2590 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2591 peephole removing spe frob_di_df_2.
2593 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2595 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2596 (subscript_dependence_tester_1): Declared.
2597 (print_dir_vectors, print_dist_vectors): New.
2598 (debug_data_dependence_relation): New.
2599 (dump_data_dependence_relation): Print more details.
2600 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2601 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2602 (save_dist_v, save_dir_v, add_outer_distances,
2603 build_classic_dist_vector_1): New.
2604 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2605 Don't test for lambda_vector_lexico_pos.
2606 (same_access_functions, add_multivariate_self_dist,
2607 add_other_self_distances, dir_from_dist): New.
2608 (build_classic_dir_vector): Replace implementation almost identical to
2609 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2611 (subscript_dependence_tester_1): New.
2612 (subscript_dependence_tester): Handle the lexicographically negative
2613 distance vectors by recomputing the dependence relation.
2614 (compute_affine_dependence): Remove parameter loop_nest_depth.
2615 (compute_self_dependence): Don't call compute_subscript_distance.
2616 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2617 Add a parameter for the loop_nest.
2618 (find_loop_nest_1, find_loop_nest): New.
2619 (compute_data_dependences_for_loop): Compute the loop nest, and give
2620 up if the nest is not well formed.
2621 * tree-data-ref.h (loop_p): New.
2622 (struct data_dependence_relation): Replace size_vect field with
2623 loop_nest, a vec of loops.
2624 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2625 (DDR_LOOP_NEST): New.
2626 (print_dir_vectors, print_dist_vectors,
2627 debug_data_dependence_relation): Declared.
2628 (index_in_loop_nest): New.
2629 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2630 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2633 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2635 * simplify-rtx.c (simplify_relational_operation): Call
2636 simplify_relational_operation_1 even if mode is VOIDmode.
2638 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2640 PR tree-optimization/26804
2641 * tree.h (DECL_CALL_CLOBBERED): New macro.
2642 (tree_decl_common): Add call_clobbered_flag.
2643 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2644 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2645 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2646 (mark_non_addressable): Ditto.
2647 * tree-ssa.c (verify_call_clobbered): New function.
2648 (verify_alias_info): Use it.
2649 * tree-pass.h (pass_reset_cc_flags): New prototype.
2650 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2651 (reset_cc_flags): New function.
2652 * passes.c (init_optimization_passes): Call reset_cc_flags after
2653 initializing referenced_vars.
2655 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2656 Roger Sayle <roger@eyesopen.com>
2659 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2660 to 1.0 for non-real operands. Implement A / A optimization for
2663 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2665 * config/i386/i386.c (size_cost): Correct the comment for
2666 cost of storing fp registers.
2667 (i386_cost): Likewise.
2668 (i486_cost): Likewise.
2669 (pentium_cost): Likewise.
2670 (pentiumpro_cost): Likewise.
2671 (k6_cost): Likewise.
2672 (athlon_cost): Likewise.
2673 (k8_cost): Likewise.
2674 (pentium4_cost): Likewise.
2675 (nocona_cost): Likewise.
2676 (generic64_cost): Likewise.
2677 (generic32_cost): Likewise.
2679 2006-03-24 Denis Chertykov <denisc@overta.ru>
2681 * config/avr/avr-protos.h (extra_constraint): Delete.
2682 (extra_constraint_Q): New declaration.
2683 * config/avr/constraints.md: New file.
2684 * config/avr/avr.md: Include it.
2685 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2686 (TMP_REGNO, ZERO_REGNO): Likewise.
2687 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2688 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2689 (extra_constraint): Delete.
2690 (extra_constraint_Q): Test for memory constraint 'Q'.
2691 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2692 (REG_CLASS_FROM_LETTER): Delete.
2693 (CONST_OK_FOR_LETTER_P): Delete.
2694 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2695 (EXTRA_CONSTRAINT): Delete.
2696 (TMP_REGNO): Delete.
2697 (ZERO_REGNO): Delete.
2699 2006-03-24 Jeff Law <law@redhat.com>
2701 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2702 directly. Call mark_new_vars_to_rename slightly earlier.
2704 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2706 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2708 (gen_compile_unit_die): Use new language types for Objective-C and
2710 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2711 DW_LANG_C_plus_plus.
2714 * config/t-darwin (crt3.o): Work around bug 26840.
2715 * config/darwin-crt3.c: Rewrite.
2716 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2718 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2720 * doc/invoke.texi: Document -femit-class-debug-always
2721 * common.opt: Add -femit-class-debug-always.
2723 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2725 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2726 index and base register.
2727 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2728 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2729 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2730 REGNO_OK_FOR_INDEX_P.
2731 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2733 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2734 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2735 REG_OK_FOR_BASE_P): Definitions removed.
2737 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2740 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2741 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2742 set yet or weren't marked as local yet.
2744 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2746 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2749 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2751 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2752 (rs6000_legitimate_small_data_p): Delete.
2753 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2754 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2755 and make static. Add forward declaration. Update uses.
2756 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2757 of offsettable_memref_p.
2758 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2759 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2761 2006-03-24 Jeff Law <law@redhat.com>
2763 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2764 around bug in immediate-use iterator.
2766 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2769 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2770 or __LITTLE_ENDIAN__.
2772 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2774 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2775 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2776 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2777 * config/sh/sh.opt (mdiv=): Amend description.
2778 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2779 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2780 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2781 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2782 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2783 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2784 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2785 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2786 TARGET_DIVIDE_CALL_FP.
2788 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2790 * haifa-sched.c (choose_ready): Fix type of the local variable.
2791 Move local variables. Add comment.
2792 (check_reg_live): Change signature. Make callable from debugger.
2793 * sched-int.h (check_reg_live): Update signature.
2794 * sched-ebb.c (check_reg_live): Update parameters.
2795 * sched-rgn.c (check_reg_live): Ditto.
2796 (region_head_or_leaf_p): Check pointer before dereferencing.
2797 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2798 before reload on optimization levels below 1.
2800 2006-03-23 Richard Henderson <rth@redhat.com>
2802 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2806 * config/alpha/predicates.md (local_symbolic_operand): Reject
2809 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2812 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2813 expressions which have overflowed constants.
2815 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2817 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2819 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2821 * cfgloopmanip.c (create_loop_notes): Removed.
2822 * final.c (final_scan_insn): Do not handle loop notes.
2823 * jump.c (squeeze_notes): Ditto.
2824 * cfglayout.c (skip_insns_after_block,
2825 duplicate_insn_chain): Ditto.
2826 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2828 * cfgloop.h (create_loop_notes): Declaration removed.
2830 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2832 * varasm.c (output_constant_pool): Restore fnname and fndecl
2834 (assemble_start_function): Adjust call accordingly.
2835 (assemble_end_function): Likewise.
2837 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2840 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2843 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2845 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2848 * system.h (ICE_EXIT_CODE): New macro.
2849 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2850 (diagnostic_action_after_output): Likewise.
2851 * gcc.c (fatal_ice): New function.
2852 (execute): Use it instead of fatal.
2853 (fancy_abort): Likewise.
2854 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2856 2006-03-22 Jeff Law <law@redhat.com>
2858 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2859 iv_analyze_result returning false.
2861 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2863 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2865 2006-03-22 Richard Henderson <rth@redhat.com>
2868 * except.c (duplicate_eh_regions_0): New.
2869 (duplicate_eh_region_1): Duplicate the children of the node as
2870 well as the node itself. Link them up properly.
2871 (duplicate_eh_region_2): Merge into ...
2872 (duplicate_eh_regions): ... here. Take copy_region argument, and
2873 copy only a sub-tree if asked. Simplify copying and fixup.
2874 (eh_region_outer_p): New.
2875 * except.h (duplicate_eh_regions): Update decl.
2876 (eh_region_outer_p): Declare.
2877 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2878 (lower_omp_master): Likewise.
2879 (lower_omp_ordered): Likewise.
2880 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2881 (move_stmt_r): Use it to remap labels. Handle recursion vs
2882 remap_decls_p properly.
2883 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2884 (find_outermost_region_in_block): New.
2885 (new_label_mapper): New.
2886 (move_sese_region_to_fn): Copy eh information to the new function
2888 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2890 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2893 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2895 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2896 into shared libraries.
2898 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2900 * doc/md.texi: Refer to i386/constraints.md instead of
2902 * config/i386/constraints.md: New file, extracted from...
2903 * config/i386/predicates.md: ...here.
2904 * config/i386/i386.md: Include constraints.md.
2906 2006-03-21 Jason Merrill <jason@redhat.com>
2908 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2911 * expr.c (init_block_move_fn): Force default visibility.
2912 (init_block_clear_fn): Likewise.
2913 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2914 * targhooks.c (default_external_stack_protect_fail): Likewise.
2916 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2918 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2919 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2920 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2921 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2922 (loadgp): Use mips_current_loadgp_style.
2923 (loadgp_noshared): New pattern.
2924 (sibcall_internal): Use MIPS_CALL.
2925 (sibcall_value_internal): Likewise.
2926 (sibcall_value_multiple_internal): Likewise.
2927 (call_internal): Likewise.
2928 (call_value_internal): Likewise.
2929 (call_value_multiple_internal): Likewise.
2930 (call_split): Use MIPS_CALL and add an 'S' constraint.
2931 (call_value_split): Likewise.
2932 (call_value_multiple_split): Likewise.
2933 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2934 (-mshared): New option.
2935 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2936 (mips_current_loadgp_style): Declare.
2937 * config/mips/mips.c (mips_classify_symbol): Avoid using
2938 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2939 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2940 TARGET_ABSOLUTE_ABICALLS.
2941 (override_options): Adjust comments. Improve the warning that is
2942 issued when -mabicalls and -G are used together.
2943 (mips_file_start): Remove comment.
2944 (mips_current_loadgp_style): New function.
2945 (mips_gnu_local_gp): New variable.
2946 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2948 (mips_output_function_prologue): Use mips_current_laodgp_style.
2949 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2950 the cprestore instruction.
2951 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2952 live for TARGET_ABSOLUTE_ABICALLS.
2953 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2954 (ASM_SPEC): Pass down -mshared and -mno-shared.
2955 (MIPS_CALL): New macro.
2956 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2958 * doc/invoke.texi (-mabicalls): Update documentation.
2959 (-mshared): Document.
2961 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2963 * config/ia64/unwind-hpux.c: New file.
2964 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2966 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2969 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2971 2006-03-21 Jeff Law <law@redhat.com>
2973 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2974 type conversions of a VR_VARYING source to a wider type.
2976 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2978 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2979 tm_file on Solaris 10 and later.
2980 (sparc64-*-solaris2*): Likewise.
2981 (sparc-*-solaris2*): Likewise.
2982 * config/sol26.h: Rename to config/sol2-6.h.
2983 * config/sol2-10.h: New file.
2985 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2988 * tree-ssa-pre.c (create_component_ref_by_pieces):
2991 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2994 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2995 return it immediately.
2997 2006-03-21 Michael Matz <matz@suse.de>
2999 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3001 (remove_arc, add_arc): Update num_out_arcs member.
3002 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3004 (cache_presence): New function.
3005 (compare_states_for_equiv): New function.
3006 (state_is_differed): Don't take number of outargs, adjust callers.
3007 Use new invariant for speeding up.
3008 (init_equiv_class): Create initial classes based on sorted
3010 (partition_equiv_class): Don't track out_arcs_num.
3011 (evaluate_equiv_classes): Call cache_presence on all states and
3014 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3016 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3017 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3018 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3019 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3021 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3022 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3023 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3024 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3025 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3027 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3028 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3029 (REGNO_REG_CLASS): ARGP is in PREGS.
3030 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3032 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3033 to deal with those addresses.
3034 * addresses.h: New file.
3035 * caller-save.c: Include "addresses.h".
3036 (init_caller_save): Use new base_reg_class function.
3037 * rtl-factoring.c: Include "addresses.h".
3038 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3039 * recog.c: Include "addresses.h".
3040 (preprocess_constraints): Use new base_reg_class function.
3041 * regrename.c: Include "addresses.h".
3042 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3043 functions. Keep track of a new var INDEX_CODE to compute valid
3045 (replace_oldest_value_addr): Likewise.
3046 (replace_oldest_value_mem): Use base_reg_class.
3047 * reload.c: Include "addresses.h".
3048 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3049 (find_reloads): Use new base_reg_class function.
3050 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3051 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3052 all callers and prototype changed.
3053 * reload1.c: Include "addresses.h".
3054 (maybe_fix_stack_asms): Use base_reg_class.
3055 * regclass.c: Include "addresses.h".
3056 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3057 (init_reg_autoinc): Use new base_reg_class function.
3058 (record_reg_classes): Likewise.
3059 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3060 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3061 Use new args to compute necessary class.
3063 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3064 regrename.o, rtl-factoring.o): Update dependencies.
3065 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3066 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3067 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3068 REG_OK_FOR_INDEX_P): Delete documentation.
3070 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3072 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3073 from V7 to V9 for Solaris 7 and above.
3075 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3077 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3078 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3079 argument pointers may not alias any other storage.
3080 * common.opt: Define option -fargument-noalias-anything.
3081 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3082 alias semantics is specified by flag_argument_noalias > 2.
3084 2006-03-20 Jeff Law <law@redhat.com>
3086 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3087 (pass_phi_only_cprop): Declare.
3088 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3090 * tree-ssa-dom.c (degenerate_phi_result): New function.
3091 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3092 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3093 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3094 (eliminate_degenerate_phis): Likewise.
3095 (pass_phi_only_cprop): New pass descriptor.
3096 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3097 support code. Callers updated.
3098 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3099 (store_copy_prop): Likewise.
3100 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3102 2006-03-20 Jason Merrill <jason@redhat.com>
3105 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3106 (push_visibility, pop_visibility): Likewise.
3107 * c-pragma.h: Declare them.
3109 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3111 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3113 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3114 parameter and use get_ebb_head_tail.
3115 (sh_md_init_global): Adjust uses of find_regmode_weight.
3117 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3119 * function.h (struct function) <x_tail_recursion_reentry>:
3120 Rename to x_stack_check_probe_note.
3121 (tail_recursion_reentry): Rename to stack_check_probe_note.
3122 * function.c: Replace tail_recursion_reentry with
3123 stack_check_probe_note everywhere.
3124 (expand_function_start): Only emit a note for
3125 stack_check_probe_note with -fstack-protect.
3126 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3128 * emit-rtl.c (remove_unnecessary_notes): Remove.
3129 (pass_remove_unnecessary_notes): Remove.
3130 * rtl.h (remove_unnecessary_notes): Remove prototype.
3131 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3132 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3133 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3135 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3138 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3139 (valid_in_set): Handle ARRAY_REF.
3140 Change "if min_variant or VH" to asserts.
3141 (create_component_ref_by_pieces): Handle ARRAY_REF.
3142 (create_expression_by_pieces): Likewise.
3143 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3145 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3147 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3148 is operand of switch, not str[0].
3150 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3152 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3153 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3155 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3157 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3158 end of insn_extra_address_constraint declaration.
3160 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3162 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3163 (no-sum-in-toc): Same.
3164 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3166 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3167 NO_FP_IN_TOC for -fPIC instead of mask.
3169 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3170 (BOOT_LDFLAGS): Delete.
3172 * config/rs6000/t-aix52: Same.
3174 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3175 (stmsi[345678]_power): New.
3177 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3179 * config/ia64/ia64.opt: Add empty line to end of file.
3181 2006-03-17 Richard Guenther <rguenther@suse.de>
3184 * builtins.c (get_pointer_alignment): For component style references
3185 adjust alignment to the component type alignment. Make sure
3186 to adjust alignment for component access of constants.
3188 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3190 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3193 2006-03-17 Paul Brook <paul@codesourcery.com>
3195 * doc/install.texi: Docuemnt --with-mode.
3196 * config.gcc: Add --with-mode for arm*-*-*.
3197 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3199 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3201 * sh.c (max_labelno_before_reorg): New variable.
3202 (sh_reorg): Initialize it.
3203 (find_barrier): Check max_labelno_before_reorg before using
3204 label_to_alignment. Take length of explicit alignment insns
3205 into account. When seeing a UNSPECV_CONST_END, return it.
3207 * sh.c (fixup_mova): Set mode of affected label to QImode.
3208 (untangle_mova): New function.
3209 (find_barrier): Use it. Check mode of label before decrementing
3211 (sh_reorg): Likewise.
3212 Set mode of all insns back to VOIDmode.
3214 * sh.c (MOVA_LABELREF): New macro.
3215 (mova_p, fixup_mova, sh_reorg): Use it.
3216 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3217 ADDR_DIFF_VEC matches mova.
3219 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3221 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3222 with ATTRIBUTE_UNUSED.
3224 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3226 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3227 pointer, instead of assuming it is possible to derive the
3228 correct args size from a call insn.
3230 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3232 * rtl.h (CONST_INT_P): Define.
3233 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3234 instead of GET_CODE(x) == CONST_INT.
3235 (vax_rtx_costs): Likewise.
3236 (vax_output_int_move): Likewise.
3237 (vax_output_int_add): Likewise.
3238 (legitimate_constant_address_p): Likewise.
3239 (index_term_p): Likewise.
3240 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3241 * config/vax/vax.md (and<mode>3): Likewise.
3242 (ashrsi3): Likewise.
3244 (movstricthi): Likewise.
3245 (movstrictqi): Likewise.
3246 (rotrsi3): Likewise.
3247 (five unnamed insns): Likewise.
3249 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3251 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3252 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3253 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3254 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3255 Pass to ASM_OUTPUT_DWARF_OFFSET.
3256 * dwarf2out.c (debug_frame_section): New.
3257 (output_call_frame_info): Use debug_frame_section. Pass it to
3258 dw2_asm_output_offset.
3259 (output_die): Pass appropriate section to dw2_asm_output_offset.
3260 (output_compilation_unit_header): Likewise.
3261 (output_pubnames): Likewise.
3262 (output_aranges): Likewise.
3263 (enum dw_val_class): Break dw_val_class_lbl_offset into
3264 dw_val_class_lineptr and dw_val_class_macptr.
3265 (add_AT_lbl_offset): Delete.
3266 (add_AT_lineptr): New.
3267 (add_AT_macptr): New.
3268 (AT_lbl): Expect a lineptr or macptr.
3269 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3270 (attr_checksum): Likewise.
3271 (same_dw_val_p): Likewise.
3272 (size_of_die): Likewise.
3273 (value_format): Likewise.
3274 (output_die): Likewise.
3275 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3277 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3278 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3279 * config/darwin-protos.h (darwin_file_start): New.
3280 (darwin_asm_output_dwarf_offset): New.
3281 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3282 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3284 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3285 if not EH section; simplify.
3286 (darwin_file_start): New.
3287 (darwin_asm_output_dwarf_offset): New.
3288 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3290 (DEBUG_INFO_SECTION): Likewise.
3291 (DEBUG_ABBREV_SECTION): Likewise.
3292 (DEBUG_ARANGES_SECTION): Likewise.
3293 (DEBUG_MACINFO_SECTION): Likewise.
3294 (DEBUG_LINE_SECTION): Likewise.
3295 (DEBUG_LOC_SECTION): Likewise.
3296 (DEBUG_PUBNAMES_SECTION): Likewise.
3297 (DEBUG_STR_SECTION): Likewise.
3298 (DEBUG_RANGES_SECTION): Likewise.
3299 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3300 (ASM_OUTPUT_DWARF_OFFSET): New.
3302 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3304 * config.gcc (tm_defines): Always add to previous value rather
3307 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3309 * config/mips/predicates.md (splittable_const_int_operand): New,
3310 split from move_operand.
3311 (splittable_symbolic_operand): New.
3312 (move_operand): Add commentary. Use splittable_const_int_operand.
3313 Inline mips_atomic_symbolic_constant_p.
3314 * config/mips/mips.md: Add combine splitters for handling moves
3315 of splittable_const_int_operands and splittable_symbolic_operands.
3316 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3317 (mips_split_symbol): Declare.
3318 (mips_move_integer): Declare.
3319 * config/mips/mips.c (mips_split_p): Make global.
3320 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3321 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3322 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3323 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3324 (mips_offset_within_object_p): Handle block symbols.
3325 (mips_atomic_symbolic_constant_p): Delete.
3326 (mips_cannot_force_const_mem): Return false for constants that
3327 mips_legitimize_move can handle.
3328 (mips_use_blocks_for_constant_p): New function.
3329 (mips_split_symbol): Make global.
3330 (mips_move_integer): Likewise. Add a temporary register argument.
3331 (mips_legitimize_const_move): Use splittable_const_int_operand and
3332 splittable_symbolic_operand.
3333 (mips_use_anchors_for_symbol_p): New function.
3334 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3335 (mips_split_p): Declare.
3337 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3339 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3340 (mips*-*-linux*): Likewise.
3342 2006-03-16 Roger Sayle <roger@eyesopen.com>
3343 Daniel Speyer <dspeyer@wam.umd.edu>
3346 * tree-dump.c (dump_real): New function.
3347 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3348 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3349 (tree-dump.o): Add $(REAL_H) to the dependencies.
3351 2006-03-16 Roger Sayle <roger@eyesopen.com>
3354 * real.c (real_from_string): If the mantissa is zero, don't bother
3355 parsing the exponent as the result should always be zero.
3357 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3359 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3361 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3363 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3364 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3365 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3366 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3367 ia64_sched_finish_global): New static functions to implement
3368 hooks from gcc_target.sched.
3369 (spec_check_no, max_uid, pending_data_specs): New static variables.
3370 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3371 ia64_spec_check_src_p): New static functions.
3372 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3373 (TARGET_SCHED_ADJUST_COST): Removed.
3374 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3375 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3376 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3377 TARGET_SCHED_GEN_CHECK,
3378 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3379 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3380 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3381 Fixed to handle speculation checks.
3382 (rtx_needs_barrier): Fixed to handle speculative loads and
3384 (ia64_variable_issue): Added code to count speculative loads and their
3386 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3388 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3390 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3392 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3393 (ia64_reorg): Reset stops_p to NULL after it is freed.
3394 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3395 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3396 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3398 (data_speculative, control_speculative, check_load): New attributes.
3399 (mov<mode>_advanced, mov<mode>_speculative,
3400 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3401 zero_extend<mode>di2_speculative,
3402 zero_extend<mode>di2_speculative_advanced): New patterns for
3403 data and control speculative loads.
3404 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3406 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3407 New pattern for data and control speculation checks.
3408 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3409 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3410 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3411 Auxiliary definitions for the patterns.
3412 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3413 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3415 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3417 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3418 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3419 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3420 New resource constraints.
3421 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3423 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3424 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3425 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3426 msched-in-control-spec, msched-ldc, msched-control-ldc,
3427 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3428 msched-prefer-non-control-spec-insns,
3429 msched-count-spec-in-critical-path): New flags to tune speculative
3431 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3432 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3433 msched-in-control-spec, msched-ldc, msched-control-ldc,
3434 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3435 msched-prefer-non-control-spec-insns,
3436 msched-count-spec-in-critical-path): Document new flags.
3438 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3440 * target.h (struct spec_info_def): New opaque declaration.
3441 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3442 speculate_insn, needs_block_p, gen_check,
3443 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3444 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3445 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3446 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3447 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3448 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3450 (TARGET_SCHED): Use new macros.
3451 * rtl.h (copy_DEPS_LIST_list): New prototype.
3452 * sched-int.h (struct sched_info): Change signature of new_ready field,
3453 adjust all initializations. New fields: add_remove_insn,
3454 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3455 region_head_or_leaf_p.
3456 (struct spec_info_def): New structure declaration.
3457 (spec_info_t): New typedef.
3458 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3459 recovery_block, orig_pat.
3460 (glat_start, glat_end): New variables declaraions.
3461 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3463 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3464 DETACH_LIFE_INFO, USE_GLAT.
3465 (enum SPEC_SCHED_FLAGS): New enumeration.
3466 (NOTE_NOTE_BB_P): New macro.
3467 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3468 attach_life_info, debug_spec_status, check_reg_live): New functions.
3469 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3470 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3472 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3473 * ddg.c (get_block_head_tail): Adjust all uses.
3474 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3475 (sms_sched_info): Initialize new fields.
3476 (contributes_to_priority): Removed.
3477 * haifa-sched.c (params.h): New include.
3478 (get_block_head_tail): Adjust all uses.
3479 (ISSUE_POINTS): New macro.
3480 (glat_start, glat_end): New global variables.
3481 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3482 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3483 old_last_basic_block, before_recovery, current_sched_info_var,
3484 rgn_n_insns, luid): New static variables.
3485 (insn_cost1): New function. Move logic from insn_cost to here.
3486 (find_insn_reg_weight1): New function. Move logic from
3487 find_insn_reg_weight to here.
3488 (reemit_notes, move_insn, max_issue): Change signature.
3489 (move_insn1): Removed.
3490 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3491 extend_bb): New static functions to support extension of scheduler's
3493 (generate_recovery_code, process_insn_depend_be_in_spec,
3494 begin_speculative_block, add_to_speculative_block,
3495 init_before_recovery, create_recovery_block, create_check_block_twin,
3496 fix_recovery_deps): New static functions to support
3497 generation of recovery code.
3498 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3499 restore_bb_notes, move_block_after_check, move_succs): New static
3500 functions to support ebb scheduling.
3501 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3502 functions to support handling of register live information.
3503 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3504 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3505 add_jump_dependencies): New static functions.
3506 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3507 consistancy checking.
3508 (debug_spec_status): New function to call from debugger.
3509 (priority): Added code to handle speculation checks.
3510 (rank_for_schedule): Added code to distinguish speculative instructions.
3511 (schedule_insn): Added code to handle speculation checks.
3512 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3513 Fixed to handle ebbs.
3514 (move_insn): Added code to handle ebb scheduling.
3515 (max_issue): Added code to use ISSUE_POINTS of instructions.
3516 (choose_ready): Added code to choose between speculative and
3517 non-speculative instructions.
3518 (schedule_block): Added code to handle ebb scheduling and scheduling of
3519 speculative instructions.
3520 (sched_init): Initialize new variables.
3521 (sched_finish): Free new variables. Print statistics.
3522 (try_ready): Added code to handle speculative instructions.
3523 * lists.c (copy_DEPS_LIST_list): New function.
3524 * sched-deps.c (extend_dependency_caches): New function. Move logic
3525 from create_dependency_caches to here.
3526 (get_dep_weak, ds_merge): Make global.
3527 * genattr.c (main): Code to output prototype for
3528 dfa_clear_single_insn_cache.
3529 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3530 (output_dfa_clean_insn_cache_func): Code to output
3531 dfa_clear_single_insn_cache function.
3532 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3534 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3536 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3537 New static variables.
3538 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3539 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3541 (ebb_sched_info): Initialize new fields.
3542 (get_block_head_tail): Adjust all uses.
3543 (compute_jump_reg_dependencies): Fixed to use glat_start.
3544 (schedule_ebb): Code to remove unreachable last block.
3545 (schedule_ebbs): Added code to update register live information.
3546 * sched-rgn.c (region_sched_info): Initialize new fields.
3547 (get_block_head_tail): Adjust all uses.
3548 (last_was_jump): Removed. Adjust users.
3549 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3550 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3551 Implement new hooks.
3552 (check_dead_notes1): New static function.
3553 (struct region): New fields: dont_calc_deps, has_real_ebb.
3554 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3555 (BB_TO_BLOCK): Fixed to handle EBBs.
3556 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3557 (ebb_head): New static variable.
3558 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3559 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3561 (compute_dom_prob_ps): New assertion.
3562 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3563 global_live_at_start.
3564 (init_ready_list): New assertions.
3565 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3566 (new_ready): Add support for BEGIN_CONTROL speculation.
3567 (schedule_insns): Fixed code that updates register live information
3569 (schedule_region): Fixed to handle EBBs.
3570 (init_regions): Use extend_regions and check_dead_notes1.
3571 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3572 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3573 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3574 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3575 TARGET_SCHED_GEN_CHECK,
3576 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3577 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3578 * doc/invoke.texi (max-sched-insn-conflict-delay,
3579 sched-spec-prob-cutoff): Document.
3581 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3583 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3584 inter_tick, queue_index.
3585 (struct sched_info): Change signature of init_ready_list field.
3586 Adjust all initializations.
3587 (RESOLVED_DEPS): New access macro.
3588 (ready_add): Remove prototype.
3589 (try_ready): Add prototype.
3590 * sched-rgn.c (init_ready_list): Use try_ready.
3591 (schedule_region): Initialize
3592 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3593 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3594 (init_ready_list): Use try_ready.
3595 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3596 * lists.c (remove_list_elem): Remove `static'.
3597 (remove_free_INSN_LIST_elem): New function.
3598 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3599 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3600 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3602 (readyp): New variable.
3603 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3604 change_queue_index, resolve_dep): New static functions.
3605 (try_ready): New function. Adjust callers in sched-rgn.c and
3606 sched-ebb.c to use it instead of ready_add.
3607 (clock_var): Move at the begining of file.
3608 (rank_for_schedule): Fix typo.
3609 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3610 (ready_lastpos): Enforce assertion.
3611 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3613 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3614 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3615 (queue_to_ready): Use free_INSN_LIST_list.
3616 (early_queue_to_ready): Fix typo.
3617 (schedule_block): Init readyp. Move init_ready_list call after the
3618 initialization of clock_var. Fix error in rejecting insn by
3619 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3620 that previously corrected INSN_TICKs. Add code for handling
3622 (set_priorities): Fix typo.
3623 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3624 Clarify comment and code that keeps current_sched_info->next_tail
3627 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3629 * sched-rgn.c (extend_rgns): New static function.
3630 (find_rgns): Use it.
3631 (gather_region_statistics, print_region_statistics): New static
3633 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3634 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3636 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3637 Andrey Belevantsev <abel@ispras.ru>
3639 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3640 * lists.c (unused_deps_list): New variable.
3641 (free_list): Add assertions to verify the proper distinguishing
3642 between INSN_LISTs and DEPS_LISTs.
3643 (find_list_elem, remove_list_elem, remove_list_node): New static
3645 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3646 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3647 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3648 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3650 (free_INSN_LIST_node): Likewise.
3651 * modulo-sched.c (current_sched_info): Initialize flags field.
3652 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3653 * rtl.def (DEPS_LIST): Define.
3654 * rtl.h: Declare new functions from lists.c.
3655 * sched-deps.c (spec_dependency_cache): New static variable.
3656 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3657 (add_dependence): Change return type to void. Move the logic to ...
3658 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3659 (delete_all_dependences): Add comment about forward_dependency_cache.
3660 Handle spec_dependency_cache. Handle DEPS_LISTs.
3661 (fixup_sched_groups): Clarify the change of priority of output
3662 and anti dependencies.
3663 (sched_analyze_2): Adjust add_dependence calls to create data
3664 speculative dependence.
3665 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3666 Adjust all callers. Handle DEPS_LISTS.
3667 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3668 presence of speculation.
3669 (init_dependency_caches, free_dependency_caches):
3670 Handle spec_dependency_cache.
3671 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3672 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3673 New static functions.
3674 (add_or_update_back_dep, add_or_update_back_forw_dep,
3675 add_back_forw_dep, delete_back_forw_dep): New functions.
3676 * sched-int.h (ds_t, dw_t): New typedefs.
3677 (struct sched_info): Add new field flags.
3678 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3679 Prototype new sched-deps.c functions.
3680 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3681 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3682 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3683 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3684 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3685 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3687 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3689 * sched-rgn.c (current_sched_info): Initialize flags field.
3690 (schedule_insns): Initialize current_sched_info before the sched_init
3692 * sched-ebb.c (current_sched_info): Initialize flags field.
3693 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3694 Call add_or_update_back_dep instead of add_dependence.
3695 Create control speculative dependencies.
3696 (schedule_insns): Initialize current_sched_info before the sched_init
3699 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3701 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3703 (sh_fallback_frame_state): Likewise.
3705 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3707 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3708 Do switch on default_use_cxa_atexit.
3709 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3710 * config/darwin-crt3.o: New.
3711 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3712 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3713 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3715 * config/rs6000/t-darwin: Move crt2.o building to here.
3716 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3717 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3720 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3722 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3723 from '! xxx' to '!xxx' for coding-style conformance.
3724 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3725 (EXTRA_CONSTRAINT): Likewise.
3726 * config/vax/vax.md (four unnamed insns): Likewise.
3728 2006-03-15 Paul Brook <paul@codesourcery.com>
3730 * config/arm/arm.c (minipool_pad): New.
3731 (add_minipool_forward_ref): Include pool alignment padding in address
3733 (push_minipool_fix): Set minipool_pad.
3734 (minipool_pad): Ditto.
3736 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3738 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3739 instead of GET_CODE() == MEM and REG_P() instead of
3741 (print_operand_address): Likewise.
3742 (vax_address_cost): Likewise.
3743 (vax_rtx_costs): Likewise.
3744 (vax_notice_update_cc): Likewise.
3745 (vax_output_int_add): Likewise.
3746 (INDEX_REGISTER_P): Likewise.
3747 (BASE_REGISTER_P): Likewise.
3748 (nonindexed_address_p): Likewise.
3749 (vax_mode_dependent_address_p): Likewise.
3750 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3751 (PRINT_OPERAND): Likewise.
3752 * config/vax/vax.md (ashlsi3): Likewise.
3753 (ashlsi3): Likewise.
3754 (some more unnamed insns): Likewise.
3756 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3758 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3759 iterator-style macro.
3760 (mark_control_dependent_edges_necessary): Update the use of
3761 EXECUTE_IF_CONTROL_DEPENDENT.
3763 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3765 * config/sh/predicates.md (cache_address_operand): Special.
3766 (ua_address_operand): Likewise.
3768 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3770 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3772 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3774 2006-03-15 Andreas Schwab <schwab@suse.de>
3776 * gensupport.c (identify_predicable_attribute): Don't free p_false
3777 when it is still in use.
3779 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3781 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3782 the default setting here.
3784 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3786 * tree-pass.h (pass_cfg): Remove.
3787 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3788 * passes.c (pass_cfg): Don't run it.
3790 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3792 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3793 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3795 (stack_regs_mentioned): Update the uses of
3796 stack_regs_mentioned_data. Don't access the array beyond its
3798 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3799 Don't include gt-reg-stack.h.
3801 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3802 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3804 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3807 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3810 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3812 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3814 2006-03-14 Richard Guenther <rguenther@suse.de>
3816 PR tree-optimization/26672
3817 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3820 2006-03-14 Richard Guenther <rguenther@suse.de>
3822 PR tree-optimization/26667
3823 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3824 node for the callees. Always allow inlining if it will shrink
3827 2006-03-14 Richard Guenther <rguenther@suse.de>
3830 * builtins.c (get_pointer_alignment): Prefer alignment
3831 information from decls over that from types.
3833 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3836 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3838 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3840 * config/rs6000/rs6000.opt (mdlmzb): New option.
3841 (msched-prolog, msched-epilog): Use Var not Mask.
3842 * doc/invoke.texi (-mdlmzb): Document.
3843 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3845 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3846 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3848 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3850 PR rtl-optimization/25739
3851 * bt-load.c (augment_live_range): Free tos pointer.
3853 * gensupport.c (identify_predicable_attribute): Free
3855 * gcov.c (create_file_names): Free name pointer.
3857 2006-03-13 Roger Sayle <roger@eyesopen.com>
3860 * stmt.c (emit_case_nodes): Handle the case where the index is a
3861 CONST_INT, where the comparison mode is specified by the index type.
3863 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3865 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3868 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3870 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3871 (*branch_fp_inverted): Likewise.
3873 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3876 * omp-low.c (expand_omp_for_generic): Mark istart0
3877 and iend0 as addressable.
3879 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3881 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3883 2006-03-13 Jeff Law <law@redhat.com>
3885 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3886 virtual operands are interesting.
3887 (vrp_visit_stmt): Corresponding changes.
3889 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3891 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3893 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3894 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3895 * config/bfin/crti.S: Use it instead of __PIC__.
3896 * config/bfin/crtn.S: Likewise.
3898 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3899 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3901 Lose 'G' modifier for call operand.
3902 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3903 recognize 'G' modifier.
3905 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3908 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3909 * stmt.c (expand_case): Likewise.
3911 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3913 PR rtl-optimization/26254
3914 * loop-invariant.c (seq_insns_valid_p): New function.
3915 (move_invariant_reg): Only emit new code if it is valid.
3917 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3919 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3921 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3922 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3923 (commit_one_edge_insertion): Do not look for loop notes.
3925 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3927 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3928 flag_test_coverage out of loop.
3930 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3932 * final.c (shorten_branches): Remove outdated comment, and turn
3933 the if branch that guards it to continue.
3935 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3937 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3938 * cfgloop.h (struct loop): Remove unused fields.
3940 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3942 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3943 (-dL, -fdump-rtl-loop2): Update the dump file names
3945 * doc/invoke.texi: Update dump file names.
3947 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3949 * predict.c (estimate_probability): Remove.
3950 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3951 * basic-block.h (estimate_probability): Remove prototype.
3952 * passes.c (finish_optimization_passes): Dump branch prediction or
3953 profiling heuristics to the .profile tree dump.
3954 (init_optimization_passes): Unqueue pass_branch_prob.
3956 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3958 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3960 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3961 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3963 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3965 * function.h (frame_offset_overflow): Declare.
3966 * function.c (frame_offset_overflow): New function.
3967 (assign_stack_local_1): Call it to detect that the offset overflows.
3968 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3970 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3972 * config/sh/sh.c: Include alloc-pool.h.
3973 (label_ref_list_pool): New alloc pool.
3974 (label_ref_list_t): New type for lists of labels.
3975 (struct pool_node): Make wend a label_ref_list_t.
3976 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3978 (dump_table): Likewise.
3979 (sh_reorg): Set up the alloc pool before using add_constant and
3980 dump_table, and destroy it when finishing.
3982 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3984 * config/mips/mips.c: Remove redundant comment.
3986 2006-03-10 Jason Merrill <jason@redhat.com>
3989 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3990 the target was declared 'register'.
3992 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3994 * genpreds.c (write_insn_constraint_len): Change definition of
3995 insn_constraint_len to return size_t to match the declaration.
3997 2006-03-10 DJ Delorie <dj@redhat.com>
3999 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4001 (m32c_expand_insv): Fix test for an AND mask.
4003 2006-03-10 Richard Guenther <rguenther@suse.de>
4006 * builtins.c (get_pointer_alignment): Handle component
4007 references for field alignment.
4009 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4011 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4012 when building with libgloss.
4013 (sh*elf): Implement --without-fp option.
4014 (sh64-superh-linux*): Don't multilib.
4016 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4018 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4020 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4022 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4023 Set it when one of the replacement functions returned true.
4024 Return TODO_cleanup_cfg if cfgchanged is true.
4025 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4027 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4029 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4030 instead of gen_lowpart.
4032 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4034 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4036 (mips_output_order_conditional_branch): Declare.
4037 * config/mips/mips.h (MIPS_BRANCH): New macro.
4038 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4039 for the comparison. Use gen_condjump.
4040 (mips_output_conditional_branch): Rework interface to take the
4041 asm templates for a direct branch and the inverse of a direct branch.
4042 (mips_output_order_conditional_branch): New function.
4043 (mips_builtin_branch_and_move): New function.
4044 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4045 branch condition. Use gen_single_cc as the condition for
4046 __builtin_mips_upper_* or __builtin_mips_lower_*.
4047 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4048 Use VOIDmode for the branch condition.
4049 * config/mips/predicates.md (order_operator): New predicate.
4050 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4051 (branch_fp): Rename to...
4052 (*branch_fp): ...this. Remove mode from comparison operator.
4053 Use new mips_output_conditional_branch interface.
4054 (branch_fp_inverted): Rename to...
4055 (*branch_fp_inverted): ...this and update as for *branch_fp.
4056 (*branch_zero<mode>): Rename to...
4057 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4058 Use mips_output_order_conditional_branch. Only accept ordered
4060 (*branch_zero<mode>_inverted): Rename to...
4061 (*branch_order<mode>_inverted): ...this and update as for
4062 *branch_order<mode>.
4063 (*branch_equality<mode>): Accept zero as the second operand to
4064 the equality operator. Use the new mips_output_conditional_branch
4066 (*branch_equality<mode>_inverted): Likewise.
4067 (condjump): New expander.
4068 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4070 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4071 (bc1any2t, bc1any2f): Likewise.
4072 (single_cc): New expander.
4073 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4075 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4077 * doc/md.texi: Update documentation of MIPS constraints.
4078 * config/mips/constraints.md: New file.
4079 * config/mips/mips.md: Include it.
4080 * config/mips/mips.c (mips_char_to_class): Delete.
4081 (override_options): Don't initialize mips_char_to_class.
4082 * config/mips/mips.h (mips_char_to_class): Delete.
4083 (REG_CLASS_FROM_LETTER): Delete.
4084 (CONST_OK_FOR_LETTER_P): Delete.
4085 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4086 (EXTRA_CONSTRAINT_Y): Delete.
4087 (EXTRA_CONSTRAINT_STR): Delete.
4088 (CONSTRAINT_LEN): Delete.
4089 (EXTRA_MEMORY_CONSTRAINT): Delete.
4091 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4093 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4094 original fn's eh regions.
4096 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4098 * fold-const.c (build_range_check): Make sure to use a valid type to
4099 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4102 (range_predecessor): New static function.
4103 (range_successor): Likewise.
4104 (merge_ranges): Use them to compute predecessors and successors of
4107 2006-03-09 Roger Sayle <roger@eyesopen.com>
4110 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4111 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4113 2006-03-08 DJ Delorie <dj@redhat.com>
4115 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4116 (addpsi3): Expand to include memory operands. Remove
4117 reload-specific splits.
4118 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4119 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4120 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4121 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4122 (shift1_qi, shift1_hi, insv): New.
4123 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4124 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4125 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4127 * config/m32c/m32c-protos.h: Update as needed.
4128 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4129 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4130 Fail for unrecognized R* constraints.
4131 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4132 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4133 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4135 (m32c_init_libfuncs): New.
4136 (m32c_legitimate_address_p): Add debug wrapper.
4137 (m32c_rtx_costs): New.
4138 (m32c_address_cost): New.
4139 (conversions): Add 'B' prefix.
4140 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4141 operands, or word regnames for QI operands. 'B' prints bit
4143 (m32c_expand_setmemhi): New.
4144 (m32c_expand_movmemhi): New.
4145 (m32c_expand_movstr): New.
4146 (m32c_expand_cmpstr): New.
4147 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4148 (m32c_expand_neg_mulpsi3): Handle non-ints.
4149 (m32c_cmp_flg_0): New.
4150 (m32c_expand_movcc): New.
4151 (m32c_expand_insv): New.
4152 (m32c_scc_pattern): New.
4153 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4154 a0/a1 out of SIregs.
4155 (STORE_FLAG_VALUE): New.
4156 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4159 * config/m32c/mov.md: Make constraints more liberal.
4160 (zero_extendqihi2): Optimize r0/r1 case.
4161 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4162 * config/m32c/predicates.md (m32c_any_operand): New.
4163 (m32c_nonimmediate_operand): New.
4164 (m32c_hl_operand): New.
4165 (m32c_r3_operand): New.
4168 (memsym_operand): New.
4169 (memimmed_operand): New.
4170 (a_qi_operand): New.
4171 (m32c_eqne_operator): New.
4172 (m32c_1bit8_operand): New.
4173 (m32c_1bit16_operand): New.
4174 (m32c_1mask8_operand): New.
4175 (m32c_1mask16_operand): New.
4176 * config/m32c/blkmov.md: New file.
4177 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4179 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4181 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4182 unsigned to fix signed/unsigned comparison issue in
4183 DWARF2_FRAME_REG_OUT.
4184 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4185 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4187 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4188 of ptr into the ENABLE_CHECKING section.
4190 2006-03-08 Jeff Law <law@redhat.com>
4192 * tree-vrp.c (infer_value_range): Only count pointer uses
4193 and dereferences if -fdelete-null-pointer-checks is enabled.
4195 * tree-vrp.c (find_assert_locations): Infer value ranges for
4196 single use pointers, but do not create ASSERT_EXPRs for them.
4197 When a non-null range is inferred for a pointer, backwards
4198 propagate that range to other equivalent pointers through the
4201 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4204 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4205 language hook targets.
4206 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4207 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4208 if language hook targets were missing.
4210 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4212 * tree-ssa-opfinalize.h: Removed.
4213 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4215 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4216 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4217 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4218 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4219 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4220 finalize_ssa_v_must_def_ops): New.
4222 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4224 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4227 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4229 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4231 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4232 addresses with offsets; reorganize.
4234 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4235 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4236 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4238 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4241 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4243 2006-03-08 Ben Elliston <bje@au.ibm.com>
4245 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4247 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4250 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4253 2006-03-07 Richard Guenther <rguenther@suse.de>
4255 PR tree-optimization/26587
4256 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4258 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4260 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4262 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4264 * hooks.c (hook_bool_mode_rtx_true): New function.
4265 * hooks.h (hook_bool_mode_rtx_true): Declare.
4266 * toplev.c (compile_file): Call output_shared_constant_pool.
4267 * varasm.c (shared_constant_pool): New variable.
4268 (assemble_start_function, assemble_end_function): Remove arguments
4269 from call to output_constant_pool.
4270 (create_constant_pool): New function, split out from...
4271 (init_varasm_status): ...here.
4272 (force_const_mem): Choose between the shared and per-function constant
4273 pools. Set current_function_uses_const_pool when reusing old entries
4274 as well as when creating new ones.
4275 (mark_constant): Ignore data argument.
4276 (mark_constants): Remove pool argument.
4277 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4278 to decide whether the function uses a constant pool.
4279 (output_constant_pool_contents): New function, split out from...
4280 (output_constant_pool): ...here.
4281 (output_shared_constant_pool): New function.
4282 (init_varasm_once): Initialize shared_constant_pool.
4283 * output.h (output_constant_pool): Delete.
4284 (output_shared_constant_pool): Declare.
4285 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4286 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4288 2006-03-06 Nick Clifton <nickc@redhat.com>
4290 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4291 flag_strength_reduce.
4293 2006-03-06 Ben Elliston <bje@au.ibm.com>
4295 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4296 x86_64-*-linux* configurations.
4298 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4299 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4301 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4303 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4305 * basic-block.h: Remove the extern for
4306 rediscover_loops_after_threading.
4308 * cfgloop.c (cancel_loop): Make it static.
4309 * cfgloop.h: Remove the prototype for cancel_loop.
4311 * flow.c (recompute_reg_usage): Make it static.
4312 * rtl.h: Remove the prototype for recompute_reg_usage.
4314 * function.c (use_return_register): Make it static.
4315 * function.h: Remove the prototype.
4317 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4319 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4321 * recog.h: Remove the prototype for
4322 validate_change_maybe_volatile.
4324 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4326 * rtlanal.c (replace_reg): Remove.
4327 * rtl.h: Remove the prototype for replace_reg.
4329 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4331 * regclass.c (reg_scan_update): Remove.
4332 (reg_scan_mark_refs): Remove the last argument.
4333 * rtl.h: Remove the prototype for reg_scan_update.
4335 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4337 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4338 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4339 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4340 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4341 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4342 loop-invariant.c, omp-low.c, opts.c, passes.c,
4343 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4344 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4345 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4346 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4347 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4348 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4350 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4352 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4353 * dwarf2out.h: Remove the prototype for
4354 dwarf2out_add_library_unit_info.
4356 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4358 * tree.c (add_var_to_bind_expr): Remove.
4359 * tree.h: Remove the prototype for add_var_to_bind_expr.
4361 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4363 * regclass.c (n_non_fixed_regs): Remove.
4364 (init_reg_sets_1, globalize_reg): Remove all uses of
4366 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4368 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4370 * rtlanal.c (insns_safe_to_move_p): Remove.
4371 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4373 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4375 * expmed.c (expand_mult_add): Remove.
4376 * expr.h: Remove the prototype for expand_mult_add.
4378 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4380 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4381 and REG_SAVED_VAL_EXP constants.
4382 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4383 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4384 Handle regs stored by value.
4385 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4386 (execute_cfa_program): Handle DW_CFA_val_offset,
4387 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4388 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4389 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4390 (uw_install_context_1): Handle target regs stored by value.
4392 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4394 * tree-sra.c (tree_sra): Return todoflags;
4395 (generate_one_element): Set TODO_update_smt_usage if needed.
4396 (pass_sra): Remove TODO_update_smt_usage.
4397 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4399 (tree_ssa_forward_propagate_single_use_vars): Return
4400 TODO_update_smt_usage if we need to update SMT usage.
4401 (pass_forwprop): Remove TODO_update_smt_usage.
4403 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4405 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4406 (correct_use_link): Remove reference to get_stmt_operands.
4407 (update_stmt_operands): Likewise.
4408 (get_modify_expr_operands): New function factored out of
4409 parse_ssa_operands and get_expr_operands.
4410 Try to create V_MUST_DEFs for LHS by default.
4411 (get_expr_operands) <case MODIFY_EXPR>: Call
4412 get_modify_expr_operands.
4413 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4414 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4415 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4416 get_modify_expr_operands.
4418 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4420 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4421 * tree-flow.h: Remove the prototype for
4422 referenced_var_lookup_if_exists.
4424 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4426 PR rtl-optimization/26345
4428 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4430 2006-03-03 Roger Sayle <roger@eyesopen.com>
4432 PR tree-optimization/26524
4433 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4434 fold_convert to create a constant of the appropriate type.
4436 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4438 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4439 SYMBOL_REF_IN_BLOCK_P.
4440 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4441 of SYMBOL_FLAG_IN_BLOCK.
4442 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4443 instead of SYMBOL_REF_IN_BLOCK_P.
4444 * explow.c (use_anchored_address): Likewise.
4445 * rtl.c (rtx_size): Likewise.
4446 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4447 instead of SYMBOL_FLAG_IN_BLOCK.
4448 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4449 SYMBOL_REF_IN_BLOCK_P.
4450 (assemble_variable): Likewise.
4451 (output_constant_def_contents): Likewise.
4452 (output_constant_pool): Likewise.
4453 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4454 instead of SYMBOL_FLAG_IN_BLOCK.
4455 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4456 SYMBOL_REF_IN_BLOCK_P.
4457 (SYMBOL_REF_BLOCK): Likewise.
4458 (SYMBOL_REF_OFFSET): Likewise.
4459 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4460 SYMBOL_REF_IN_BLOCK_P.
4461 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4462 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4463 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4464 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4466 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4468 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4470 2006-03-02 Roger Sayle <roger@eyesopen.com>
4472 * simplify-rtx.c (simplify_unary_operation): When simplifying
4473 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4474 that we perform the right shift in the appropriate mode, and
4475 then extend or truncate the result to requested mode.
4477 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4479 * gengtype.c (main): Handle double_int type.
4480 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4481 * double-int.c: New file.
4482 * double-int.h: New file.
4483 * system.h: Include doubleint.h.
4484 * Makefile.in (SYSTEM_H): Include double-int.h.
4485 (double-int.o): Add.
4487 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4490 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4493 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4495 * tree-vrp.c (remove_range_assertions): Do not update statements
4498 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4500 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4502 * gcse.c (rest_of_handle_gcse): Ditto.
4503 * except.c (gate_handle_eh): Ditto.
4504 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4505 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4507 2006-03-02 Eric Christopher <echristo@apple.com>
4509 * config/i386/i386.c (machopic_output_stub): Add indirection to
4512 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4516 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4518 Sun Niagara specific optimizations.
4519 * config.gcc: Recognize niagara as target.
4520 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4521 (TARGET_CPU_niagara): Define.
4522 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4523 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4524 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4525 (ASM_CPU_SPEC): Likewise.
4526 (PROCESSOR_NIAGARA): New enum entry.
4527 (REGISTER_MOVE_COST): Handle Niagara.
4528 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4529 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4530 (sparc_override_options): Recognize "niagara", set appropriate
4531 default MASK_* values for it, and align functions to 32-bytes
4532 by default just like ULTRASPARC/ULTRASPARC3.
4533 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4534 (sparc64_initialize_trampoline): Likewise.
4535 (sparc_use_sched_lookahead): Use zero for niagara.
4536 (sparc_issue_rate): Use one for niagara.
4537 * config/sparc/niagara.md: New file.
4538 * config/sparc/sparc.md: Include it.
4539 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4540 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4541 when default cpu is niagara.
4542 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4543 (ASM_CPU_SPEC): Likewise.
4544 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4545 when default cpu is niagara.
4546 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4547 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4548 just like v9/ultrasparc/ultrasparc3.
4549 * doc/invoke.texi: Add documentation for "niagara" and improve
4550 existing documentation for ultrasparc variants.
4552 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4554 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4556 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4558 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4559 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4560 and say that only one is needed.
4561 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4562 * target.h (have_switchable_bss_sections): New hook.
4563 * explow.c (use_anchored_address): Check that the symbol is in a block.
4564 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4565 (bss_noswitch_section): New variables.
4566 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4567 (get_noswitch_section): New function.
4568 (get_block_for_section): Allow SECT to be null.
4569 (unlikely_text_section_p): Use SECTION_STYLE.
4570 (bss_initializer_p): New function.
4571 (get_variable_section): Move earlier in file. Take a new argument,
4572 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4573 Return one of the new *_sections in such cases.
4574 (get_block_for_decl): New function, extracting some logic from
4575 use_blocks_for_decl_p.
4576 (change_symbol_section): Remove in favor of...
4577 (change_symbol_block): ...this new function.
4578 (use_blocks_for_decl_p): Remove checks now performed by
4580 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4581 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4582 (emit_local, emit_bss, emit_common): ...these new functions.
4583 Return true if the alignment was honored.
4584 (emit_tls_common): New function.
4585 (asm_emit_uninitialised): Delete.
4586 (assemble_variable_noswitch): New function, split out from...
4587 (assemble_variable): ...here. Don't make decisions about common
4588 variables here. Globalize all public decls that go into non-common
4589 sections. Check whether SYMBOL_REF_BLOCK is null.
4590 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4591 (output_constant_pool): Likewise.
4592 (init_varasm_once): Initialize the new section variables.
4593 (have_global_bss_p): New function.
4594 (categorize_decl_for_section): Use bss_initializer_p.
4595 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4596 (place_block_symbol): Assert that the symbol must be in a block.
4597 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4598 (TARGET_INITIALIZER): Include it.
4599 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4600 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4601 (SECTION_MACH_DEP): Bump by two.
4602 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4603 (unnamed_section): Mention SECTION_UNNAMED in comment.
4604 (named_section): Likewise SECTION_NAMED.
4605 (noswitch_section_callback): New type.
4606 (noswitch_section): New structure.
4607 (section): Add a noswitch_section alternative.
4608 (SECTION_STYLE): New macro.
4609 (tls_comm_section, comm_section, lcomm_section): Declare.
4610 (bss_noswitch_section, have_global_bss_p): Declare.
4611 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4612 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4614 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4615 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4618 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4620 * gcc/tree-vrp.c (execute_vrp): Return value.
4621 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4622 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4623 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4624 (tree_lower_complex_O0): Ditto.
4625 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4626 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4627 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4628 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4629 (execute_tail_calls): Ditto.
4630 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4631 * gcc/tree.h (init_function_for_compilation): Ditto.
4632 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4633 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4634 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4635 * gcc/final.c (compute_alignments): Ditto.
4636 (rest_of_handle_final): Ditto.
4637 (rest_of_handle_shorten_branches): Ditto.
4638 (rest_of_clean_state): Ditto.
4639 * gcc/omp-low.c (execute_expand_omp): Ditto.
4640 (execute_lower_omp): Ditto.
4641 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4642 * gcc/ipa-reference.c (static_execute): Ditto.
4643 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4644 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4645 (rest_of_handle_machine_reorg): Ditto.
4646 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4647 * gcc/flow.c (recompute_reg_usage): Ditto.
4648 (rest_of_handle_remove_death_notes): Ditto.
4649 (rest_of_handle_life): Ditto.
4650 (rest_of_handle_flow2): Ditto.
4651 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4652 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4653 (do_ssa_store_ccp): Ditto.
4654 (execute_fold_all_builtins): Ditto.
4655 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4656 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4657 * gcc/ipa-pure-const.c (static_execute): Ditto.
4658 * gcc/cse.c (rest_of_handle_cse): Ditto.
4659 (rest_of_handle_cse2): Ditto.
4660 * gcc/web.c (rest_of_handle_web): Ditto.
4661 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4662 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4663 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4664 * gcc/tree-nrv.c (tree_nrv): Ditto.
4665 (execute_return_slot_opt): Ditto.
4666 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4667 (create_structure_vars): Ditto.
4668 * gcc/loop-init.c (rtl_loop_init): Ditto.
4669 (rtl_loop_done): Ditto.
4670 (rtl_move_loop_invariants): Ditto.
4671 (rtl_unswitch): Ditto.
4672 (rtl_unroll_and_peel_loops): Ditto.
4673 (rtl_doloop): Ditto.
4674 * gcc/gimple-low.c (lower_function_body): Ditto.
4675 (mark_used_blocks): Ditto.
4676 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4677 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4678 (cgraph_early_inlining): Ditto.
4679 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4680 * gcc/jump.c (cleanup_barriers): Ditto.
4681 (purge_line_number_notes): Ditto.
4682 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4683 (rest_of_handle_if_after_reload): Ditto.
4684 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4685 (tree_ssa_loop_im): Ditto.
4686 (tree_ssa_loop_unswitch): Ditto.
4687 (tree_vectorize): Ditto.
4688 (tree_linear_transform): Ditto.
4689 (tree_ssa_loop_ivcanon): Ditto.
4690 (tree_ssa_empty_loop): Ditto.
4691 (tree_ssa_loop_bounds): Ditto.
4692 (tree_complete_unroll): Ditto.
4693 (tree_ssa_loop_prefetch): Ditto.
4694 (tree_ssa_loop_ivopts): Ditto.
4695 (tree_ssa_loop_done): Ditto.
4696 * gcc/predict.c (tree_estimate_probability): Ditto.
4697 * gcc/recog.c (split_all_insns_noflow): Ditto.
4698 (rest_of_handle_peephole2): Ditto.
4699 (rest_of_handle_split_all_insns): Ditto.
4700 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4701 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4702 (rest_of_handle_stack_adjustments): Ditto.
4703 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4704 * gcc/function.c (instantiate_virtual_regs): Ditto.
4705 (init_function_for_compilation): Ditto.
4706 (rest_of_handle_check_leaf_regs): Ditto.
4707 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4708 (rest_of_handle_gcse): Ditto.
4709 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4710 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4711 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4712 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4713 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4714 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4715 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4716 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4717 * gcc/except.c (set_nothrow_function_flags): Ditto.
4718 (convert_to_eh_region_ranges): Ditto.
4719 (rest_of_handle_eh): Ditto.
4720 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4721 (remove_unnecessary_notes): Ditto.
4722 * gcc/except.h (set_nothrow_function_flags): Ditto.
4723 (convert_to_eh_region_ranges): Ditto.
4724 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4725 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4726 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4727 (execute_fre): Ditto.
4728 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4729 (rest_of_handle_jump2): Ditto.
4730 * gcc/tree-sra.c (tree_sra): Ditto.
4731 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4732 (execute_mudflap_function_decls): Ditto.
4733 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4734 (do_store_copy_prop): Ditto.
4735 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4736 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4737 * gcc/tree-ssa-forwprop.c
4738 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4739 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4740 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4741 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4742 (execute_late_warn_uninitialized): Ditto.
4743 * gcc/rtl.h (cleanup_barriers): Ditto.
4744 (split_all_insns_noflow): Ditto.
4745 (purge_line_number_notes): Ditto.
4746 (unshare_all_rtl): Ditto.
4747 (remove_unnecessary_notes): Ditto.
4748 (recompute_reg_usage): Ditto.
4749 (variable_tracking_main): Ditto.
4750 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4751 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4752 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4753 (execute_free_cfg_annotations): Ditto.
4754 (execute_fixup_cfg): Ditto.
4755 (execute_cleanup_cfg_pre_ipa): Ditto.
4756 (execute_cleanup_cfg_post_optimizing): Ditto.
4757 (execute_init_datastructures): Ditto.
4758 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4759 * gcc/combine.c (rest_of_handle_combine): Ditto.
4760 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4761 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4762 (rest_of_handle_reorder_blocks): Ditto.
4763 (rest_of_handle_partition_blocks): Ditto.
4764 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4765 * gcc/tree-profile.c (tree_profiling): Ditto.
4766 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4767 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4768 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4769 (rest_of_handle_sched2): Ditto.
4770 * gcc/basic-block.h (free_bb_insn): Ditto.
4771 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4772 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4773 (remove_useless_stmts): Ditto.
4774 (split_critical_edges): Ditto.
4775 (execute_warn_function_return): Ditto.
4776 (execute_warn_function_noreturn): Ditto.
4777 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4778 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4779 * gcc/passes.c (execute_one_pass): Run additional
4780 todos returned by execute function.
4781 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4784 2006-03-02 Richard Guenther <rguenther@suse.de>
4786 * tree-ssa-alias.c (find_used_portions): Consider taking
4787 the address as making the variable not write-only.
4789 2006-03-02 Nick Clifton <nickc@redhat.com>
4791 * config.gcc (default_use_cxa_atexit): Extend the description of
4792 this configure variable. Set its default value to "yes" for
4793 Linux, NetBSD and ELF targets on the assumption that they will
4794 use C libraries with the __cxa_atexit function.
4796 2006-03-02 Ben Elliston <bje@au.ibm.com>
4798 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4799 parameter as unused to suppress a build warning.
4801 2006-03-02 Ben Elliston <bje@au.ibm.com>
4803 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4806 2006-03-01 Roger Sayle <roger@eyesopen.com>
4809 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4810 declared name, the weak reference name, and the typeof name.
4811 (__gthrw): Avoid expanding the declared name suffix.
4812 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4814 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4816 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4818 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4819 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4820 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4821 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4822 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4823 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4824 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4825 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4826 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4827 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4828 (DW_END_default, DW_END_big, DW_END_little): New.
4829 (DW_END_lo_user, DW_END_hi_user): Define.
4830 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4831 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4832 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4835 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4837 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4839 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4841 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4843 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4845 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4846 to 'symbol_mem_tag'.
4848 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4851 2006-03-01 Roger Sayle <roger@eyesopen.com>
4853 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4855 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4858 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4859 MACHO_DYNAMIC_NO_PIC_P.
4860 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4862 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4865 * config/darwin-protos.h (darwin_asm_output_anchor):
4867 * config/darwin-sections.def (cstring_section):
4868 Add SECTION_MERGE to the flags.
4869 (literal4_section): Likewise.
4870 (literal8_section): Likewise.
4871 (objc_selector_refs_section): Likewise.
4872 (objc_cls_refs_section): Likewise.
4873 * config/darwin.c (darwin_asm_output_anchor): New
4875 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4877 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4879 Fix PR tree-optimization/26443
4880 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4881 to todo and PROP_tmt_usage to properties_destroyed.
4882 * tree-ssa-ccp.c (pass_ccp): Ditto.
4883 (pass_store_ccp): Ditto.
4884 * tree-ssa-dom.c (pass_dominator): Ditto.
4886 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4888 * tree-ssa-operands.c: Cleanup whitespace.
4889 (get_asm_expr_operands): Move before first invocation.
4890 (get_indirect_ref_operands): Likewise.
4891 (get_tmr_operands): Likewise.
4892 (get_call_expr_operands): Likewise.
4893 (append_def): Likewise.
4894 (append_use): Likewise.
4895 (append_v_may_def): Likewise.
4896 (append_v_must_def): Likewise.
4897 (add_call_clobber_ops): Likewise.
4898 (add_call_read_ops): Likewise.
4899 (add_stmt_operand): Likewise.
4900 (add_virtual_operand): Likewise.
4901 (build_ssa_operands): Likewise.
4903 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4908 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4909 with a call expr to ...
4910 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4912 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4914 * tree-vrp.c (extract_range_from_assert): Remove special
4915 handling for types with super-types.
4917 2006-03-01 Ben Elliston <bje@au.ibm.com>
4919 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4920 and powerpc64-*-linux* configurations.
4921 * config/t-dfprules: New file.
4923 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4924 Compile dfp-bit.c from the source directory using -DWIDTH and
4925 $DFP_CFLAGS to control the compilation of that file, rather than
4926 generating width-specific versions in the build directory.
4927 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4928 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4930 2006-02-28 Zack Weinberg <zackw@panix.com>
4932 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4935 2006-02-28 Eric Christopher <echristo@apple.com>
4937 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4938 Set up IN_LIBGCC definition of TARGET_64BIT.
4939 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4941 2006-02-28 Roger Sayle <roger@eyesopen.com>
4944 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4945 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4946 cases via the construction of "expr != 0".
4948 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4950 * alias.c (alias_invariant, alias_invariant_size): Remove.
4951 (record_base_value): Remove.
4952 (memrefs_conflict_p): Don't look at alias_invariant.
4953 (end_alias_analysis): Don't free it.
4954 * alias.h (record_base_value): Remove prototype.
4956 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4957 Adam Nemet <anemet@caviumnetworks.com>
4959 * rtl.h (truncated_to_mode): Declare it.
4960 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4961 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4962 (RTL_HOOKS_INITIALIZER): Include it.
4963 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4964 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4965 reg_truncated_to_mode.
4966 * rtlanal.c (truncated_to_mode): Define it.
4967 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4969 2006-02-28 Jeff Law <law@redhat.com>
4971 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4972 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4973 the range allowed by TYPE_PRECISION.
4975 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4977 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4979 PR tree-optimization/26419
4980 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4983 2006-02-27 Zack Weinberg <zackw@panix.com>
4985 * doc/md.texi: Fix typo in previous change.
4987 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4991 2006-02-27 Zack Weinberg <zackw@panix.com>
4993 * rtl.def (define_constraint, define_register_constraint)
4994 (define_memory_constraint, define_address_constraint): New MD forms.
4995 * gensupport.c (process_rtx): Put define_constraint etc on the
4997 * genpreds.c (process_define_predicate): Adjust comment. Validate
4998 the name, and call validate_exp to validate the expression.
4999 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5000 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5001 all callers changed.
5002 (validate_exp, needs_variable, struct constraint_data)
5003 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5004 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5005 (const_dbl_constraints, constraint_max_namelen)
5006 (have_register_constraints, have_memory_constraints)
5007 (have_address_constraints, have_address_constraints)
5008 (have_extra_constraints, have_const_int_constraints)
5009 (have_const_dbl_constraints, mangle, add_constraint)
5010 (process_define_constraint, process_define_register_constraint)
5011 (write_enum_constraint_num, write_lookup_constraint)
5012 (write_insn_constraint_len, write_regclass_for_constraint)
5013 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5014 (write_insn_extra_memory_constraint)
5015 (write_insn_extra_address_constraint)
5016 (write_satisfies_constraint_fns): New.
5017 (write_tm_preds_h): If we have new-style constraint definitions,
5018 prototype the functions generated from them, and define the
5019 old constraint interface (still used by generic code) in terms of
5021 (write_insn_preds_c): If we have new-style constraint definitions,
5022 generate all relevant functions from those definitions.
5023 (main): Handle define_constraint etc.
5024 * genoutput.c (struct constraint_data, indep_constraints)
5025 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5026 (mdep_constraint_len): New data structures and functions, defined
5027 #ifdef USE_MD_CONSTRAINTS.
5028 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5029 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5030 use new logic to validate operand constraints against constraint
5032 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5034 * defaults.h: If none of the old-style constraint macros are
5035 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5036 old-style macros; and poison REG_CLASS_FROM_LETTER,
5037 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5039 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5040 * doc/md.texi: Document new constraint-definition mechanism and the
5041 C interface it provides. Remove references to old mechanism
5042 elsewhere in the document.
5043 (Machine Constraints): Use pathnames relative to gcc directory,
5044 i.e. config/ARCH/FILE. Change i386 section to refer to
5045 config/i386/predicates.md; update that section to match docstrings.
5046 * doc/tm.texi: Move all documentation of the old constraint-
5047 definition macros to their own section, clearly mark as obsolete.
5049 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5050 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5052 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5053 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5054 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5056 (splits and peepholes): Use satisfies_constraint_*.
5057 * config/i386/i386.c (memory_address_length)
5058 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5060 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5062 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5063 scalar operation to be put back into the loop.
5065 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5068 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5069 (extract_cie_info): Handle S flag in augmentation string.
5070 (execute_cfa_program): If context->signal_frame, execute also
5071 fs->pc == context->ra instructions.
5072 (uw_frame_state_for): If context->signal_frame, don't subtract one
5073 from context->ra to find FDE.
5074 (uw_update_context_1): Set context->signal_frame to
5076 (_Unwind_GetIPInfo): New function.
5077 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5078 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5080 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5081 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5082 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5083 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5084 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5085 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5086 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5087 x86_64_fallback_frame_state): Set fs->signal_frame.
5088 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5089 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5090 (frob_update_context): Likewise. Workaround missing S flag in
5091 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5092 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5093 Remove the psw_addr + 1 hack.
5095 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5097 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5098 with aggregates here.
5099 (find_func_aliases): Remove code for &<aggregate> from here.
5101 2006-02-26 Roger Sayle <roger@eyesopen.com>
5103 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5104 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5105 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5108 2006-02-26 Roger Sayle <roger@eyesopen.com>
5111 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5113 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5115 * opts.c (decode_options): Do not handle flag_strength_reduce.
5116 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5117 and OPT_fstrength_reduce.
5118 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5119 flag_prefetch_loop_arrays for being nonzero.
5120 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5122 (fprefetch-loop-arrays-rtl): Removed.
5123 (flag_prefetch_loop_arrays): Do not specify the value.
5125 * doc/passes.texi: Update documentation of loop optimizer
5127 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5128 -frerun-loop-opt): Remove.
5130 2006-02-26 Richard Guenther <rguenther@suse.de>
5132 PR tree-optimization/26421
5133 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5134 in function calls that are ADDR_EXPRs as using the whole structure.
5136 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5138 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5139 * tree-pass.h (pass_loop_optimize): Remove.
5140 * passes.c (pass_loop_optimize): Never run it.
5141 * toplev.c (backend_init): Don't call init_loop.
5142 * opts.c (flag_loop_optimize_set): Remove.
5143 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5144 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5145 the old RTL loop optimizer when profiling enabled.
5146 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5147 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5148 pre-headers for the sake of the old RTL loop optimizer.
5149 * Makefile.in: Remove all references to loop.o.
5151 * doc/invoke.texi: Remove all references to -floop-optimize
5152 and -frerun-loop-opt.
5154 2006-02-26 Zack Weinberg <zackw@panix.com>
5156 * doc/md.texi (Machine Constraints): Refer to all files with paths
5157 relative to gcc directory (i.e. config/CPU/file). Add missing
5158 @table @code ... @end table to M32C subsection.
5160 2006-02-26 Roger Sayle <roger@eyesopen.com>
5162 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5164 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5166 2006-02-26 Roger Sayle <roger@eyesopen.com>
5167 James A. Morrison <phython@gcc.gnu.org>
5170 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5171 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5172 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5173 signedness of the shift operation.
5175 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5177 PR tree-optimization/26359
5178 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5180 2006-02-25 Roger Sayle <roger@eyesopen.com>
5182 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5183 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5184 as X == 0, and some symmetry related transformations.
5185 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5187 2006-02-25 Roger Sayle <roger@eyesopen.com>
5190 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5191 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5192 symmetry related transformations. Fold (X^C1) == C2 as
5195 2006-02-25 Juergen Weigert <jw@suse.de>
5196 Richard Guenther <rguenther@suse.de>
5198 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5200 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5202 * combine.c (gen_lowpart_or_truncate): Call
5203 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5205 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5207 * doc/invoke.texi: Move -fopenmp description to "Options for
5209 Remove reference to -lgomp.
5211 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5213 * doc/install.texi: Require GNU tar version 1.14.
5215 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5217 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5218 * doc/invoke.texi (C++ Dialect Options): Document
5219 -fno-use-cxa-get-exception-ptr.
5220 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5221 * configure: Regenerate.
5222 * c.opt (fuse-cxa-get-exception-ptr): New.
5223 * c-opts.c (c_common_handle_option): Handle
5224 OPT_fuse_cxa_get_exception_ptr.
5225 * c-common.c (flag_use_cxa_atexit): Update documentation.
5226 (flag_use_cxa_get_exception_ptr): New.
5227 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5228 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5230 (C_COMMON_OVERRIDE_OPTIONS): New.
5232 2006-02-24 Roger Sayle <roger@eyesopen.com>
5235 * combine.c (try_combine): Explicitly check whether GET_CODE is
5236 a SET or a CLOBBER, instead on checking that it isn't a USE.
5238 2006-02-24 Roger Sayle <roger@eyesopen.com>
5240 * fold-const.c (fold_comparison): New subroutine of fold_binary
5241 containing transformations common to both the equality and
5242 ordering relational operators, factored out of fold_binary.
5243 (fold_binary): Separate out the equality operators (EQ_EXPR
5244 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5245 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5246 transformations common to both.
5247 (fold_div_compare): Fix latent bugs in the previously unreachable
5248 LT_EXPR and GE_EXPR cases.
5250 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5252 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5253 decl libname for clog to __clog on AIX.
5255 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5257 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5260 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5261 output traceback table for thunks. Localise rs6000_stack_info call.
5263 2006-02-23 Roger Sayle <roger@eyesopen.com>
5264 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5266 * gthr-posix.h (__gthrw): Fix typo in comment.
5268 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5270 * doc/cpp.texi (Character sets): Document that we do support
5271 input files to be in any character set.
5273 2006-02-23 Jeff Law <law@redhat.com>
5275 * tree.h (PHI_ARG_NONZERO): Remove.
5276 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5277 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5278 node to the new node.
5280 PR tree-optimization/26425
5281 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5282 min/max, then assume its varying.
5284 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5286 PR rtl-optimization/26316
5287 * rtlanal.c (enum may_trap_p_flags): New.
5288 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5289 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5290 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5291 (may_trap_after_code_motion_p): New function.
5292 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5293 (find_invariant_insn): Use may_trap_after_code_motion_p.
5294 * rtl.h (may_trap_after_code_motion_p): Declare.
5296 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5298 * emit-rtl.c (immed_double_const): Cleanup.
5300 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5302 Fix PR tree-optimization/26376
5303 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5306 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5309 * gimplify.c (omp_add_variable): Guard variable size decl test with
5310 DECL_SIZE (decl) check.
5312 2006-02-23 Richard Guenther <rguenther@suse.de>
5315 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5316 like aggregate types.
5318 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5320 * configure.ac: Add --with{,out}-long-double-128 configure option.
5321 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5322 * configure: Rebuilt.
5323 * config.in: Rebuilt.
5324 * doc/install.texi (Options specification): Document
5325 --with-long-double-128.
5327 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5328 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5329 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5330 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5332 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5334 * config/s390/s390.c (override_options): Handle
5335 TARGET_DEFAULT_LONG_DOUBLE_128.
5337 * config/alpha/alpha.c (override_options): Handle
5338 TARGET_DEFAULT_LONG_DOUBLE_128.
5340 * config/sparc/sparc.c (sparc_override_options): Handle
5341 TARGET_DEFAULT_LONG_DOUBLE_128.
5343 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5345 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5346 (real-install-headers-tar, real-install-headers-cpio)
5347 (real-install-headers-cp): New targets.
5349 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5351 * tree.h (variable_section): Delete.
5352 * varasm.c (variable_section): Delete.
5354 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5356 * install.texi: Add notes on install.texi2html.
5357 (Building in parallel): Do not use footnotes.
5359 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5362 * doc/install.texi (Configuration): Document --disable-libgomp.
5364 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5366 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5368 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5370 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5371 (vec_extractv2df_0_sse): New.
5373 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5375 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5376 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5377 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5378 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5379 to the result of the expression.
5380 (def_cfa_1): Adjust.
5381 (frame_pointer_cfa_offset): Rename to...
5382 (frame_pointer_fb_offset): ... this. Adjust all uses.
5383 (convert_cfa_to_loc_list): Rename to...
5384 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5385 Pass it on to build_cfa_loc.
5386 (compute_frame_pointer_to_cfa_displacement): Rename to...
5387 (compute_frame_pointer_to_fb_displacement): ... this. New
5388 offset parameter. Use it in computation.
5389 (gen_subprogram_die): Compute cfa_fb_offset with the new
5390 macro, and use it to compute the fb loc list and the
5393 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5395 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5396 replaced with register_operand.
5397 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5398 non-DREG is expensive.
5399 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5400 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5403 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5405 * doc/install.texi2html: Use set -e.
5407 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5409 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5410 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5411 * doc/invoke.texi (-fshared-data): Delete.
5412 * common.opt (fshared-data): Delete.
5413 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5414 (assemble_static_space): Remove #if 0 code.
5415 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5416 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5417 * config/cris/cris.h: Remove FIXME.
5419 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5421 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5424 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5427 * combine.c (simplify_shift_const_1): Disable nested shifts
5428 optimization for vector shifts.
5430 2006-02-20 Roger Sayle <roger@eyesopen.com>
5432 PR tree-optimization/26361
5433 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5434 of unsigned integer types.
5436 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5438 * tree-chrec.c (eq_evolutions_p): New.
5439 * tree-chrec.h (eq_evolutions_p): Declared.
5440 * tree-data-ref.c: Fix formatting.
5441 (datadep_stats, dependence_stats): New.
5443 (print_direction_vector): New.
5444 (dump_data_dependence_relation): Use print_direction_vector.
5445 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5446 (compute_subscript_distance): Static.
5447 (initialize_data_dependence_relation): Static. Get the number
5448 of loops surrounding the references from the callers, and initialize
5449 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5450 base_object_differ_p analyzers.
5451 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5452 compute_overlap_steps_for_affine_1_2,
5453 analyze_subscript_affine_affine): Count the classified dependences.
5454 Print a message when a test failed.
5455 (can_use_analyze_subscript_affine_affine): New.
5456 (analyze_siv_subscript): Compute the data dependences on symbolic
5457 scevs that verify can_use_analyze_subscript_affine_affine.
5458 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5459 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5460 Handle symbolic scevs.
5461 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5463 (subscript_dependence_tester): Moved...
5464 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5465 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5466 DDR_SIZE_VECT instead of getting it in parameter.
5467 (subscript_dependence_tester): ... here. Take as a parameter
5468 loop_nest_depth. Call build_classic_dist_vector and
5469 build_classic_dir_vector.
5470 (compute_affine_dependence): Update subscript_dependence_tester
5471 parameters. Update datadep_stats counters. Call
5472 compute_subscript_distance.
5473 (compute_self_dependence): Save the dist and dir vectors. Call
5474 compute_subscript_distance.
5475 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5476 (compute_all_dependences): Reorder parameters as they were before
5477 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5478 compute_subscript_distance. Update the use of
5479 compute_affine_dependence and initialize_data_dependence_relation.
5480 (find_data_references_in_loop): Handle COMPONENT_REF.
5481 (compute_data_dependences_for_loop): Initialize dependence_stats.
5482 Don't call build_classic_dist_vector and build_classic_dir_vector.
5483 Update the parameters of initialize_data_dependence_relation and
5484 compute_all_dependences. Print the statistics from datadep_stats.
5485 (analyze_all_data_dependences): Static. Not used until the pass for
5486 checking the data dependences is contributed.
5487 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5488 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5489 (initialize_data_dependence_relation, compute_affine_dependence,
5490 analyze_all_data_dependences, compute_subscript_distance): Removed.
5491 (print_direction_vector): New.
5492 * lambda.h (gcd): ... here.
5493 (lambda_vector_gcd): Moved here from gcd_vector.
5494 * lambda-code.c (gcd, gcd_vector): Removed.
5495 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5496 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5498 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5500 * ipa-type-escape.c: Tidy some comments and white space.
5501 * tree-ssa-operands.c: Likewise.
5503 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5506 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5507 (dump_decl_name): Do not walk the decl tree chains.
5508 * tree-pass.h (TDF_CHAIN): Remove.
5510 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5512 * Makefile.in (C): Remove
5514 (.PHONY): Remove C and PROTO
5516 2006-02-20 Roger Sayle <roger@eyesopen.com>
5519 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5520 deprecated CHAR_TYPE tree code.
5522 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5524 * configure.ac (target_list): Add install-info, dvi, html.
5525 * configure: Regenerate.
5527 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5528 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5529 treelang/Make-lang.in: Do not use double-colon rules.
5531 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5533 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5534 (TMT_USED_ALONE): New macro.
5535 * tree-pass.h (PROP_tmt_usage): New property.
5536 (TODO_update_tmt_usage): New todo.
5537 * tree-ssa-alias.c (updating_used_alone): New variable.
5538 (recalculate_used_alone): New function.
5539 (compute_may_aliases): Set updating_used_alone, call
5540 recalculate_used_alone.
5541 * tree-sra.c (pass_sra): Note that this pass destroys
5542 PROP_tmt_usage, and add TODO_update_tmt_usage.
5543 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5544 * tree-flow.h (updating_used_alone): Prototype.
5545 (recalculate_used_alone): Ditto.
5546 * passes.c (execute_todo): Add code to set updating_used_alone,
5547 and call recalculate.
5548 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5549 for clobber if used alone, and add assert to verify used_alone
5552 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5554 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5555 for non tls symbols added.
5556 (legitimize_address): Do nothing for PLUS expressions if one of the
5557 addends is a tls symbol reference.
5559 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5563 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5565 * Makefile.in (BOOTSTRAPPING): New.
5566 (quickstrap): New definition if BOOTSTRAPPING=yes.
5568 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5569 * configure.ac: Substitute all_selected_languages with the languages
5570 that were configured. For all the other variables except
5571 lang_specs_files, include all the languages in the tree.
5572 * configure: Regenerate.
5574 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5575 if there is one. Run the commands to run fixincludes in the same
5578 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5579 * doc/install.texi: Document exact conventions for searching target tools.
5580 Document --with-build-time-tools. Document toplevel bootstrap. Document
5581 something more about building an Ada cross-compiler. Don't list GNU Make
5582 requirements which affect all platforms.
5584 2006-02-19 Roger Sayle <roger@eyesopen.com>
5587 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5588 only equivalent if the have both the same mode and precision.
5590 2006-02-20 Ben Elliston <bje@au.ibm.com>
5592 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5594 2006-02-19 Roger Sayle <roger@eyesopen.com>
5595 Steven Bosscher <stevenb.gcc@gmail.com>
5597 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5598 constant pool references to identify stack mode constants.
5599 * rtlanal.c (constant_pool_constant_p): New predicate to check
5600 whether operand is a floating point constant in the pool.
5601 * rtl.h (constant_pool_constant_p): Prototype here.
5602 * loop.c (scan_loop): Avoid hoisting constants from the constant
5603 pool on STACK_REGS targets.
5604 (load_mems): Likewise.
5605 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5606 loads into x87 registers expensive in terms of register pressure.
5608 2006-02-19 Roger Sayle <roger@eyesopen.com>
5610 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5611 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5613 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5615 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5616 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5618 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5620 * doc/invoke.texi: Document -fipa-pta.
5621 * common.opt: Add ipa-pta option.
5622 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5623 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5624 (do_ds_constraint): Ditto.
5625 (get_constraint_for): Only add to referenced_vars if
5626 referenced_vars exists.
5627 (insert_into_field_list): Rewrite to do this unsorted.
5628 (insert_into_field_list_sorted): Rename old insert_into_field_list
5630 (create_function_info_for): Use insert_into_field_list_sorted.
5631 (create_variable_info_for): Rewrite so it uses unsorted version,
5632 since the field list is sorted.
5633 (intra_create_variable_infos): Only add to referenced_vars if
5634 referenced_vars exists.
5635 (ipa_pta_execute): Init heapvars, and delete when done.
5636 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5638 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5640 * doc/install.texi: Add missing `@samp'.
5642 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5644 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5647 2006-02-18 Mark Wielaard <mark@klomp.org>
5649 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5650 who added new 4.1 features, bug fixes and integration support.
5652 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5655 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5658 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5660 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5661 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5662 (copy_insn_1): Likewise. Don't copy each field individually.
5664 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5666 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5667 * rtl.c (rtx_size): Rename variable to...
5668 (rtx_code_size): ...this.
5669 (rtx_size): New function.
5670 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5671 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5673 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5674 * rtl.h (rtx_code_size): New variable.
5675 (rtx_size): Change from a variable to a function.
5676 (RTX_SIZE): Rename to...
5677 (RTX_CODE_SIZE): ...this.
5680 PR tree-optimization/17106
5681 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5682 (Anchored Addresses): New section.
5683 * doc/invoke.texi (-fsection-anchors): Document.
5684 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5685 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5686 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5687 * hooks.c (hook_bool_mode_rtx_false): New function.
5688 * hooks.h (hook_bool_mode_rtx_false): Declare.
5689 * gengtype.c (create_optional_field): New function.
5690 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5691 SYMBOL_REF_IN_BLOCK_P is true.
5692 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5693 (min_anchor_offset, max_anchor_offset): Likewise.
5694 (use_anchors_for_symbol_p): New hook.
5695 * toplev.c (compile_file): Call output_object_blocks.
5696 (target_supports_section_anchors_p): New function.
5697 (process_options): Check that -fsection-anchors is only used on
5698 targets that support it and when -funit-at-a-time is in effect.
5699 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5700 if the decl doesn't have one.
5701 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5702 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5703 of force_const_mem through use_anchored_address.
5704 (expand_expr_constant): New function.
5705 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5706 calling expand_expr for INDIRECT_REF.
5707 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5708 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5709 * expr.h (use_anchored_address): Declare.
5710 * loop-unroll.c: Don't declare rtx vectors here.
5711 * explow.c: Include output.h.
5712 (validize_mem): Call use_anchored_address.
5713 (use_anchored_address): New function.
5714 * common.opt (-fsection-anchors): New switch.
5715 * varasm.c (object_block_htab, anchor_labelno): New variables.
5716 (hash_section, object_block_entry_eq, object_block_entry_hash)
5717 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5718 (use_blocks_for_decl_p, change_symbol_section): New functions.
5719 (get_variable_section): New function, split out from assemble_variable.
5720 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5721 use_blocks_for_decl_p say so. Use change_symbol_section if the
5722 symbol has already been created.
5723 (assemble_variable_contents): New function, split out from...
5724 (assemble_variable): ...here. Don't output any code for
5725 block symbols; just pass them to place_block_symbol.
5726 Use get_variable_section and assemble_variable_contents.
5727 (get_constant_alignment, get_constant_section, get_constant_size): New
5728 functions, split from output_constant_def_contents.
5729 (build_constant_desc): Create a block symbol if use_object_blocks_p
5730 says so. Or into SYMBOL_REF_FLAGS.
5731 (assemble_constant_contents): New function, split from...
5732 (output_constant_def_contents): ...here. Don't output any code
5733 for block symbols; just pass them to place_section_symbol.
5734 Use get_constant_section and get_constant_alignment.
5735 (force_const_mem): Create a block symbol if use_object_blocks_p and
5736 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5737 (output_constant_pool_1): Add an explicit alignment argument.
5738 Don't switch sections here.
5739 (output_constant_pool): Adjust call to output_constant_pool_1.
5740 Switch sections here instead. Don't output anything for block symbols;
5741 just pass them to place_block_symbol.
5742 (init_varasm_once): Initialize object_block_htab.
5743 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5744 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5745 (place_block_symbol, get_section_anchor, output_object_block)
5746 (output_object_block_htab, output_object_blocks): New functions.
5747 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5748 (TARGET_ASM_OUT): Include it.
5749 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5750 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5751 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5752 (TARGET_INITIALIZER): Include them.
5753 * rtl.c (rtl_check_failed_block_symbol): New function.
5754 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5755 (block_symbol, object_block): New structures.
5756 (rtx_def): Add a block_symbol field to the union.
5757 (BLOCK_SYMBOL_CHECK): New macro.
5758 (rtl_check_failed_block_symbol): Declare.
5759 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5760 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5761 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5762 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5763 * output.h (output_section_symbols): Declare.
5764 (object_block): Name structure.
5765 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5766 (default_use_anchors_for_symbol_p): Declare.
5767 * Makefile.in (RTL_BASE_H): Add vec.h.
5768 (explow.o): Depend on output.h.
5769 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5770 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5771 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5772 (rs6000_use_blocks_for_constant_p): New function.
5774 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5776 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5778 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5781 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5784 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5786 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5790 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5793 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5794 instead of DECL_REGISTER.
5796 2006-02-18 Olivier Hainque <hainque@adacore.com>
5799 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5801 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5804 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5805 * opth-gen.awk: Handle Var and InverseMask together.
5806 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5807 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5808 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5809 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5811 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5812 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5813 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5814 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5815 LINUX_DYNAMIC_LINKER): Define.
5816 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5817 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5819 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5820 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5821 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5822 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5823 (TARGET_C99_FUNCTIONS): Don't define.
5824 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5825 GLIBC_DYNAMIC_LINKER.
5826 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5827 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5828 GLIBC_DYNAMIC_LINKER64): Define.
5829 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5830 LINUX_DYNAMIC_LINKER64.
5831 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5832 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5833 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5834 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5835 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5836 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5837 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5838 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5839 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5840 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5841 and LINUX_DYNAMIC_LINKER32.
5842 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5843 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5844 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5845 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5846 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5848 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5849 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5850 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5851 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5852 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5853 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5854 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5855 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5856 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5857 LINUX_DYNAMIC_LINKER): Define.
5858 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5859 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5860 GLIBC_DYNAMIC_LINKER64): Define.
5861 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5862 LINUX_DYNAMIC_LINKER64.
5863 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5864 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5865 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5866 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5867 LINUX_DYNAMIC_LINKER): Define.
5868 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5869 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5870 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5871 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5872 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5873 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5874 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5875 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5876 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5877 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5878 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5879 * doc/invoke.texi (-muclibc): Remove caveat about supported
5882 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5884 * doc/cpp.texi (__TIMESTAMP__): Document.
5886 2006-02-17 Roger Sayle <roger@eyesopen.com>
5889 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5890 C is one less than the width of X (and related transformations).
5891 * simplify-rtx.c (simplify_unary_operation_1): Transform
5892 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5893 depending on STORE_FLAG_VALUE, were C is one less then the
5896 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5898 Fix PR tree-optimization/26341
5899 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5900 about NAME_MEMORY_TAG's.
5902 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5905 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5906 with hardware float support, and software float support. Add fcpy
5907 alternative to hardware patterns. Add alternatives to copy between
5908 general and floating-point registers to the 32-bit pattern.
5909 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5910 secondary reload to load a QI or HI mode constant into a floating
5912 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5913 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5915 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5918 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5920 (load_macho_picbase_di): Likewise.
5922 2006-02-16 Jeff Law <law@redhat.com>
5924 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5925 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5926 (ssa_name_nonzero_p): Likewise.
5927 (get_value_range): Return NULL if VRP is not running.
5928 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5929 VRP routines do not discover a range.
5930 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5931 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5932 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5933 (tree_expr_nonnegative_p): Similarly.
5934 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5935 (restore_nonzero_vars_to_original_value): Remove.
5936 (unsafe_associative_fp_binop): Remove.
5937 (tree_ssa_dominator_optimize): Remove initialization and
5938 finalization of nonzero_vars and nonzero_vars_stack.
5939 (dom_opt_initialize_block): No longer push marker on
5941 (dom_opt_finalize_block): No longer call
5942 restore_nonzero_vars_to_original_value.
5943 (record_equivalences_from_phis): No longer look for
5944 nonzero PHI arguments.
5945 (cprop_into_successor_phis): No longer propagate nonzero
5946 property into PHI arguments. Lose unused argument. Caller
5948 (record_equivalences_from_stmt): No longer record nonzero
5949 values for SSA_NAMEs.
5950 (lookup_avail_expr): No longer use nonzero_vars.
5952 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5953 for sizetype when sizetype is unsigned.
5955 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5957 PR rtl-optimization/25603
5958 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5959 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5960 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5961 with new meaning of SETS.
5963 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5968 * config/linux.opt: New file.
5969 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5970 LINUX_DYNAMIC_LINKER): Define.
5971 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5972 * config.gcc (*-*-linux*): Define extra_options.
5973 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5974 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5975 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5976 GLIBC_DYNAMIC_LINKER.
5977 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5978 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5979 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5980 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5981 * doc/invoke.texi (GNU/Linux Options): New section.
5983 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5985 * config/sparc/sparc.md (setjmp): Rewrite.
5986 (setjmp_32): Delete.
5987 (setjmp_64): Likewise.
5989 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5991 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5994 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5996 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5999 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6001 PR rtl-optimization/26296
6002 * Makefile.in (loop-invariant.c): Add except.h dependency.
6003 * loop-invariant.c: Include except.h.
6004 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6006 2005-02-16 Paul Brook <paul@codesourcery.com>
6008 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6011 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6013 PR rtl-optimization/25636
6014 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6015 when deciding whether an insn is an initializing insn.
6017 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6019 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6020 (tree_code_size): Ditto.
6021 * tree.h (struct tree_memory_tag): Remove parent_var.
6022 (struct tree_struct_field_tag): New.
6025 (union tree_node): Add sft member.
6026 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6028 (create_sft): Add size and offset argument, set SFT_OFFSET and
6030 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6031 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6032 * tree-flow-inline.h (get_subvar_at): Update for
6033 SFT_OFFSET/SFT_SIZE.
6034 (var_can_have_subvars): Ditto.
6035 (overlap_subvar): Ditto.
6036 * print-tree.c (print_node): Print out interesting things for
6038 * tree-flow.h (struct subvar): Remove offset and size members.
6039 * tree-ssa-operands.c (get_expr_operands): Update for
6040 get_indirect_ref_operands changes.
6041 (get_indirect_ref_operands): Call add_virtual_operand instead of
6042 add_stmt_operand. Only recurse on base var if requested.
6043 (access_can_touch_variable): New function.
6044 (add_stmt_operand): Split virtual operand handling into ...
6045 (add_virtual_operand): Here. Add offset, size, and for_clobber
6046 arguments. Prune alias sets.
6047 (add_call_clobber_ops): Call add_virtual_operand.
6049 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6052 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6054 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6055 than TREE_CODE as index into omp_clause_num_ops array.
6057 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6059 PR rtl-optimization/26184
6060 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6062 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6063 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6064 must_precede, must_follow and tobe_scheduled.
6067 * opts.c (common_handle_option): Free new_option pointer.
6068 * df-core.c (df_analyze): Free postorder pointer.
6070 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6072 * Makefile.in: Fix the examples about the use of stamps
6074 2006-02-15 Michael Matz <matz@suse.de>
6078 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6079 influenced by maximum_field_alignment or DECL_PACKED.
6080 (update_alignment_for_field): Ditto.
6081 (place_field): Ditto.
6082 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6085 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6087 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6088 (debug_flow_info): Pass it.
6089 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6090 * bb-reorder.c (reorder_basic_blocks): Likewise.
6091 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6092 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6093 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6094 * gcse.c (gcse_main, bypass_jumps): Likewise.
6095 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6096 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6097 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6098 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6099 * rtl.h (dump_flow_info): Adjust prototype.
6100 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6101 * var-tracking.c (variable_tracking_main): Likewise.
6102 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6103 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6106 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6108 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6111 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6113 PR tree-optimization/26209
6114 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6115 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6117 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6119 2006-02-14 Roger Sayle <roger@eyesopen.com>
6122 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6123 (X,Y) and the corresponding symmetry related transformations.
6124 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6125 (X,Y) and its symmetry related transformations.
6127 2006-02-14 Roger Sayle <roger@eyesopen.com>
6129 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6132 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6134 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6136 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6139 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6140 support COMDAT group.
6141 * configure: Regenerate.
6143 2006-02-14 Roger Sayle <roger@eyesopen.com>
6148 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6150 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6152 Fix PR tree-optimization/26260
6154 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6156 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6157 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6158 * tree-ssa-structalias.c (create_variable_info_for): Use
6159 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6161 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6163 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6165 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6166 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6167 of the ending condition.
6168 * tree-ssa-loop-manip.c: Include params.h.
6169 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6170 tree_unroll_loop): New functions.
6171 * tree-pass.h (pass_loop_prefetch): Declare.
6172 * loop.c (rest_of_handle_loop_optimize): Test for
6173 -fprefetch-loop-arrays-rtl.
6174 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6175 * timevar.def (TV_TREE_PREFETCH): New timevar.
6176 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6177 pass_loop_prefetch): New.
6178 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6179 (cleanup_tree_cfg_loop): Call scev_reset.
6180 * common.opt (fprefetch-loop-arrays-rtl): Add.
6181 * tree-ssa-loop-prefetch.c: New file.
6182 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6183 (new_temp_expr_table): Initialize expr_vars.
6184 (free_temp_expr_table): Cleanup expr_vars.
6185 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6186 expressions from being merged into one.
6187 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6188 (struct tree_niter_desc): Add control, bound and cmp fields.
6189 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6191 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6192 (tree-cfgcleanup.o): Add SCEV_H dependency.
6193 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6194 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6196 2006-02-14 Richard Guenther <rguenther@suse.de>
6198 PR tree-optimization/26258
6199 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6200 in PHI argument processing.
6202 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6204 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6205 new expression in the requested machine mode.
6207 2006-02-13 Roger Sayle <roger@eyesopen.com>
6209 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6210 directly, instead let do_compare_rtx_and_jump handle this for us.
6211 * expr.c (expand_expr_real_1): Likewise.
6212 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6213 before do_jump_by_parts_greater.
6214 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6215 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6217 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6219 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6221 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6223 PR rtl-optimization/26235
6224 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6225 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6228 2006-02-13 Jeff Law <law@redhat.com>
6230 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6233 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6236 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6237 twice if decl is a builtin. When trying again, call get_callee_fndecl
6238 first to verify it is still a builtin.
6240 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6242 * dwarf2out.c (base_type_die): Don't add AT_name here.
6243 (subrange_type_die): Don't add AT_name here.
6244 (modified_type_die): Rearrange code flow. Do add AT_name here.
6246 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6248 PR rtl-optimization/26247
6249 PR rtl-optimization/26248
6250 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6252 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6254 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6255 * config/fixtfdi.c: Likewise.
6256 * config/fixunstfdi.c: Likewise.
6257 * config/floatditf.c: Likewise.
6259 2006-02-13 Roger Sayle <roger@eyesopen.com>
6262 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6263 into (X,C2) if C1 is a subset of the bits of C2. Transform
6264 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6266 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6268 2006-02-13 Josh Conner <jconner@apple.com>
6271 * varasm.c (function_section): Check for section name before
6272 calling select_section on targets that define
6273 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6274 unlikely_text_section instead of hot_function_section if
6275 first_function_block_is_cold.
6277 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6280 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6282 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6284 PR rtl-optimization/26222
6285 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6286 after tree->rtl expansion.
6287 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6288 before passing it to emit_move_insn.
6290 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6292 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6294 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6295 Clarify documentation.
6296 * c-common.h (warn_write_strings): Remove.
6297 * c-common.c (warn_write_strings): Likewise.
6298 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6301 2006-02-12 Roger Sayle <roger@eyesopen.com>
6304 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6305 (do_jump_parts_zero_rtx): New function renamed from
6306 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6307 (do_jump_parts_equality_rtx): New function split out from
6308 do_jump_parts_equality. Old implementation renamed as above.
6309 Call do_jump_parts_zero_rtx if either operand is zero.
6310 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6311 do all of the heavy lifting.
6312 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6313 calling either do_jump_by_parts_greater_rtx or
6314 do_jump_by_parts_equality_rtx.
6315 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6316 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6317 moved to do_compare_rtx_and_jump, call it directly.
6318 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6319 mode argument. Call do_compare_rtx_and_jump.
6320 (emit_case_nodes): Update calls to do_jump_if_equal.
6322 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6324 PR rtl-optimization/26225
6325 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6327 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6329 PR rtl-optimization/26232
6330 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6332 2006-02-11 Jason Merrill <jason@redhat.com>
6335 * tree-inline.c (declare_return_variable): Just don't use the
6336 modify target if it's a gimple complex reg and the return slot
6339 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6341 * doc/contrib.texi: Update my entry.
6343 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6345 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6347 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6349 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6352 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6354 * doc/invoke.texi (-floop-optimize2): Removed.
6355 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6356 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6357 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6358 * common.opt (floop-optimize2): Removed.
6359 (fmove-loop-invariants): Enabled by default.
6361 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6363 * tree-if-conv.c (combine_blocks): Free the result of
6364 get_loop_exit_edges.
6366 2006-02-10 Jeff Law <law@redhat.com>
6368 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6370 PR tree-optimization/26213
6371 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6372 loop trying to follow SSA_NAME_VALUE chains.
6374 2006-02-10 Richard Guenther <rguenther@suse.de>
6376 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6377 deal with structures that end in implicitly variable sized arrays.
6379 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6381 PR rtl-optimization/24762
6382 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6385 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6387 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6388 (struct ivopts_data): Add regs_used field.
6389 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6390 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6391 instead of loop_data->regs_used;
6392 (free_loop_data): Do not free aux fields for loops.
6393 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6394 and tree_ssa_iv_optimize_finalize.
6396 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6398 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6400 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6403 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6404 computing the effective result type.
6406 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6409 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6410 (tree_overlaps_hard_reg_set): Declare.
6411 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6412 type and signature to match function type expected by walk_tree.
6413 (tree_overlaps_hard_reg_set): New function.
6414 (decl_conflicts_with_clobbers_p): Rename to:
6415 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6416 Use tree_overlaps_hard_reg_set. Changed caller.
6417 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6418 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6419 * cris.c (cris_md_asm_clobbers): Likewise.
6421 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6423 * reload1.c (emit_input_reload_insns): Delete code that tries to
6424 inherit using find_equiv_reg.
6426 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6428 * c-common.h (flag_const_strings): Don't declare.
6429 * c-common.c (flag_const_strings): Remove.
6430 * c.opt (fconst_strings): Remove.
6431 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6432 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6433 (c_common_init_options): Don't set flag_const_strings.
6434 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6436 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6438 * arm.md (tlobits_cbranch): New pattern.
6439 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6440 testing a single bit.
6442 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6445 * tree-ssa-pre.c (create_component_ref_by_pieces):
6446 Handle RETURN_DECL like VAR_DECL.
6448 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6451 * fold-const.c (fold_indirect_ref_1): Fold
6452 "*(foo *)&complexfoo" to "__real__ complexfoo"
6453 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6455 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6457 * tree-flow-inline.h (var_can_have_subvars):
6458 Volatile variables should not have subvariables.
6460 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6463 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6464 multiplying unsigned values.
6467 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6469 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6471 2006-02-08 Jason Merrill <jason@redhat.com>
6474 * tree.def: Elaborate on difference from MODIFY_EXPR.
6475 * doc/c-tree.texi (INIT_EXPR): Likewise.
6476 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6477 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6478 (gimplify_target_expr): Likewise.
6479 (gimplify_cond_expr): Remove target handling.
6480 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6481 (gimplify_expr): Clobber it here.
6482 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6483 Do return slot optimization if we have an INIT_EXPR.
6486 * tree-inline.c (declare_return_variable): Also clear
6487 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6490 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6493 * gimplify.c (gimplify_one_sizepos): Fix typo.
6495 2006-02-08 Jeff Law <law@redhat.com>
6497 PR tree-optimization/21417
6498 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6499 across a backedge if the control statement at the end of the
6500 block is data dependent on other statements in the same block.
6501 (record_temporary_equivalences_from_stmts): Remove over-conservative
6502 test for threading across backedges.
6504 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6505 control statement, handle all three special cases in the same
6506 manner as they all have the same desired solution. No longer
6507 special case edge flag updating when the post dominator is
6510 2006-02-08 Roger Sayle <roger@eyesopen.com>
6512 * tree.def (CHAR_TYPE): Remove.
6513 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6514 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6515 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6516 (gen_string_type_die): Delete unreachable function.
6518 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6519 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6520 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6521 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6522 * builtins.c (type_to_class): Likewise.
6523 * fold-const.c (fold_convert, build_range_check,
6524 merge_ranges): Likewise.
6525 * expr.c (count_type_elements): Likewise.
6526 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6527 * stor-layout.c (layout_type): Likewise.
6528 * ipa-type-escape.c (type_to_consider): Likewise.
6529 * gimplify.c (omp_firstprivatize_type_sizes,
6530 gimplify_type_sizes): Likewise.
6531 * explow.c (promote_mode): Likewise.
6532 * tree-sra.c (is_sra_scalar_type): Likewise.
6533 * varasm.c (output_constant): Likewise.
6534 * tree-inline.c (remap_type_1): Likewise.
6535 * convert.c (convert_to_pointer, convert_to_real,
6536 convert_to_integer, convert_to_complex): Likewise.
6538 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6540 * df-scan.c (df_def_record_1): A set destination may
6541 be a parallel regardless of mode.
6543 2006-02-08 Roger Sayle <roger@eyesopen.com>
6546 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6547 * config/mips/_tilib.c: Remove.
6548 * config/fixtfdi.c: New libgcc source file.
6549 * config/fixunstfdi.c: New source file.
6550 * config/floatditf.c: New source file.
6551 * config/floatunditf.c: New souce file.
6552 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6553 files above instead of config/mips/_tilib.c.
6554 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6556 2006-02-08 Jeff Law <law@redhat.com>
6558 PR tree-optimization/26169
6559 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6562 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6564 * df.h (DF_REG_SIZE): Return the length of the initialized
6567 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6569 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6570 __muldf3): Return a correctly signed zero.
6572 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6574 * passes.c (register_one_dump_file): Accept the current properties
6575 instead of pass number. Adjust call to dump_register. Remove
6577 (register_dump_files): Now a wrapper around...
6578 (register_dump_files_1): ... this one. Do not modify the pass
6580 (next_pass_1): Cosmetic fix.
6581 (execute_todo): Keep second parameter only. Use curr_properties
6582 instead of fetching it from the pass structure. Check and set
6584 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6585 instead of fetching it from the pass structure. Fix calls to
6586 execute_todo. Update curr_properties and initialize .vcg RTL dump
6587 after running the pass. Reset last_verified.
6588 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6590 (FIRST_AUTO_NUMBERED_DUMP): New.
6591 (dump_register): Remove "num" parameter, assign it within the
6593 (get_dump_file_name): Modify template for dumps.
6594 * tree-dump.h (dump_register): Adjust prototype.
6595 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6596 (PROP_trees): Add PROP_gimple_lomp.
6597 (TODO_set_props): New.
6598 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6599 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6600 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6602 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6604 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6605 (sparc64-*-linux*): Likewise.
6606 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6607 * config/sparc/t-linux: New file.
6608 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6609 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6610 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6611 -m32 -mlong-double-128.
6613 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6614 * config/alpha/t-linux: New file.
6615 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6617 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6618 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6619 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6620 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6621 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6622 (CPP_ARCH32_SPEC): Remove.
6624 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6626 PR tree-optimization/26145
6627 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6630 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6633 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6634 >= 240000 when generating code for SOM runtime.
6635 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6636 to $$dyncall when generating code for SOM runtime..
6638 2006-02-07 Dirk Mueller <dmueller@suse.com>
6641 * doc/invoke.texi (-Wsequence-point): Update documentation
6642 that -Wsequence-point is implemented for C++ as well.
6644 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6646 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6647 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6648 (LIB_SPEC): Likewise.
6649 * doc/invoke.texi (SPARC options): Document -pthread.
6651 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6653 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6656 2006-02-07 Roger Sayle <roger@eyesopen.com>
6658 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6659 Correct comment describing BOOLEAN_TYPE.
6661 2006-02-07 Dirk Mueller <dmueller@suse.com>
6663 * c.opt: C++ frontend supports -Wdiv-by-zero.
6664 * c-opts.c (c_common_handle_option): Remove dead case.
6666 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6668 * configure.ac (TLS assembler check): Do not enable TLS by
6669 default on SPARC/Solaris before version 10.
6670 * configure: Regenerate.
6672 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6674 * doc/invoke.texi (xl-compat): Document conversion and support
6677 2006-02-07 Jeff Law <law@redhat.com>
6679 * tree-vrp.c (find_conditional_asserts): Update comments.
6680 (simplify_stmt_for_jump_threading): New.
6681 (identify_jump_threads, finalize_jump_threads): New.
6682 (vrp_finalize): Call identify_jump_threads.
6683 (execute_vrp): Call finalize_jump_threads.
6684 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6685 (vrp_element, vrp_data, vrp_element_p): Remove.
6686 (vrp_hash_elt, vrp_variables_stack): Remove.
6687 (vrp_hash, vrp_eq, record_range): Remove.
6688 (simplify_cond_and_lookup_avail_expr): Remove.
6689 (extract_range_from_cond): Remove.
6690 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6691 (simplify_stmt_for_jump_threading): New.
6692 (dom_thread_across_edge): New wrapper.
6693 (tree_ssa_dominator_optimize): No longer initialize or
6694 finalize any of the VRP datastructures. Remove iteration
6695 step and simplify as a result of removal of iteration step.
6696 (pass_dominator): Perform a cfg cleanup after DOM.
6697 (dom_opt_finalize_block): Use the new common routines
6698 for threading jumps. Simplify stack management slightly.
6699 No longer need to unwind VRP state.
6700 (record_equivalences_from_incoming_edge): No longer record
6702 (eliminate_redundant_computations): No longer call
6703 simplify_cond_and_lookup_avail_expr.
6704 * tree-flow.h (potentially_threadable_block): Prototype.
6705 (thread_across_edge): Likewise.
6706 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6707 (tree-ssa-threadedge.o): Add dependencies.
6708 * tree-ssa-threadedge.c: New file.
6709 * passes.c (init_optimization_passes): Merge PHIs before
6710 calling VRP. Run VRP again late in the SSA optimization pipeline.
6712 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6714 * df-core.c (df_set_blocks): Do not dereference function pointers.
6715 (df_finish1): Likewise.
6716 (df_hybrid_search_forward): Likewise.
6717 (df_hybrid_search_backward): Likewise.
6718 (df_iterative_dataflow): Likewise.
6719 (df_analyze_problem): Likewise.
6720 (df_compact_blocks): Likewise.
6721 (df_dump): Likewise.
6722 * df-scan.c (df_rescan_blocks): Likewise.
6723 (df_record_entry_block_defs): Likewise.
6725 * genconditions.c (write_conditions): Guard the definition of
6726 'insn_conditions' with the check on GCC version.
6727 (write_writer): Guard the traversal 'insn_conditions' with
6728 the check on GCC version.
6730 2006-02-07 Richard Guenther <rguenther@suse.de>
6734 2006-01-30 Richard Guenther <rguenther@suse.de>
6736 * gimplify.c (gimplify_target_expr): Handle easy cases
6737 without creating a temporary.
6739 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6741 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6742 use of float in probability computations. Use edge probabilities
6743 in place of statically computed probabilities.
6744 (min_spec_prob): New static variable.
6745 (schedule_insns): Initialize it.
6746 (GET_SRC_PROB): Removed.
6747 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6749 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6752 * config/ia64/unwind-ia64.c: Revert last change.
6753 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6754 (INCOMING_FRAME_SP_OFFSET): Define.
6756 2006-02-06 Roger Sayle <roger@eyesopen.com>
6758 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6760 2006-02-07 Ben Elliston <bje@au.ibm.com>
6762 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6763 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6764 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6765 (ix86_return_in_memory): Handle TDmode.
6766 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6767 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6769 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6771 * reorg.c (dbr_schedule): Use dump_file instead of file.
6773 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6776 * config/ia64/predicates.md (extr_len_operand): New predicate.
6777 * config/ia64/ia64.md (extv): Tighten constraints.
6779 (*tbit_and_2): Ditto.
6780 (*tbit_and_3): Ditto.
6781 (*tbit_or_2): Ditto.
6782 (*tbit_or_3): Ditto.
6786 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6789 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6791 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6793 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6794 loop_optimizer_init and loop_optimizer_finalize
6795 * tree-ssa-sink.c (execute_sink_code): Ditto.
6796 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6797 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6798 tree_ssa_loop_done): Ditto.
6799 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6800 * sched-ebb.c: Include output.h.
6801 (schedule_ebbs): Do not use dump argument.
6802 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6803 * loop.c (loop_dump_stream): Removed.
6804 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6806 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6807 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6808 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6809 loop_iterations, strength_reduce, record_biv, record_giv,
6810 final_giv_value, check_final_value, check_ext_dependent_givs,
6811 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6812 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6813 dump_file instead of loop_dump_stream.
6814 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6816 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6818 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6819 * haifa-sched.c: Include output.h
6820 (schedule_insns, sched_init): Do not use dump argument.
6821 * mode-switching.c (optimize_mode_switching): Ditto.
6822 * modulo-sched.c (stats_file): Removed.
6823 (print_node_sched_params): Do not call argument dump_file.
6824 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6825 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6827 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6829 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6830 rtl_loop_init, rtl_loop_done): Ditto.
6831 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6832 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6834 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6835 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6836 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6837 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6838 * emit-rtl.c (renumber_insns): Ditto.
6839 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6840 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6841 * regclass.c (regclass): Ditto.
6842 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6843 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6844 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6845 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6847 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6848 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6850 * gcse.c (gcse_file, debug_stderr): Removed.
6851 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6852 rest_of_handle_gcse): Do not use dump argument.
6853 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6854 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6855 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6856 compute_code_hoist_vbeinout, compute_code_hoist_data,
6857 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6858 compute_store_table, build_store_vectors, insert_insn_start_bb,
6859 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6860 store_motion): Use dump_file instead of gcse_file.
6861 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6862 * profile.c (profile_dump_file): Removed.
6863 (branch_prob): Use dump_file instead of profile_dump_file.
6864 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6866 * tree-ssa-copy.c (dump_copy_of): Ditto.
6867 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6868 dump file to life_analysis.
6869 * bt-load.c (branch_target_load_optimize): Ditto.
6870 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6872 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6873 regclass, dbr_schedule): Declaration changed.
6874 * sched-int.h (sched_init): Declaration changed.
6875 * tree-profile.c (tree_profile_dump_file): Removed.
6876 (tree_profile_hooks): Removed profile_dump_file hook.
6877 * rtl-profile (rtl_profile_dump_file): Removed.
6878 (rtl_profile_hooks): emoved profile_dump_file hook.
6879 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6881 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6882 * tree-cfg.c (build_tree_cfg): Ditto.
6883 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6884 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6885 Declaration changed.
6886 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6887 life_analysis and schedule_insns.
6888 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6890 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6892 * config/mips/mips.c (mips_reorg): Ditto.
6893 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6896 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6898 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6899 (s390_mangle_fundamental_type): New.
6900 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6903 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6904 (alpha_mangle_fundamental_type): New.
6905 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6908 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6910 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6912 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6913 (sparc_mangle_fundamental_type): New.
6915 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6917 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6918 (s390x-*-linux*): Likewise.
6919 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6920 * config/s390/t-linux: New file.
6922 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6924 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6925 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6927 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6929 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6930 (ANTIC_SAFE_LOADS): New macro.
6931 (find_or_generate_expression): Add prototype.
6932 (set_contains_value): Allow null set for sake of not always having
6933 to allocate ANTIC_SAFE_LOADS.
6934 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6935 Allow COMPONENT_REF too.
6936 (valid_in_set): Allow COMPONENT_REF.
6937 Check ANTIC_SAFE_LOADS too.
6938 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6939 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6941 (can_PRE_operation): Add COMPONENT_REF.
6942 (create_component_ref_by_pieces): New function.
6943 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6944 (insert_aux): Move AGGREGATE_TYPE_P check here.
6945 (compute_avail): Set bb local stmt uids.
6946 (pass_pre): Use TODO_update_ssa_only_virtuals.
6948 2006-02-06 Ben Elliston <bje@au.ibm.com>
6950 * configure.ac: Unconditionally disable decimal float by default.
6951 * configure: Regenerate.
6953 2006-02-06 Ben Elliston <bje@au.ibm.com>
6955 * read-rtl.c (read_name): Terminate reading on EOF.
6957 2006-02-06 Ben Elliston <bje@au.ibm.com>
6959 * dfp.c (decimal_real_arithmetic): Change second argument type
6960 from int to enum tree_code. Do not always return true, but now
6961 return result of any call to decimal_do helper functions.
6962 * dfp.h (decimal_real_arithmetic): Update prototype.
6964 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6966 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6968 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6971 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6974 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6976 * tree-vrp.c (cfg_loops): Removed.
6977 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6978 Use current_loops instead of cfg_loops. Pass flags to
6979 loop_optimizer_init.
6980 * cfgloopmanip.c (fix_loop_structure): Update only available
6982 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6983 loop_optimizer_init.
6984 * modulo-sched.c (build_loops_structure): Removed.
6985 (sms_schedule): Use loop_optimizer_init.
6986 * loop-init.c (loop_optimizer_init): Use flags to determine
6987 which properties of loops to prepare.
6988 (rtl_loop_init): Pass flags to loop_optimizer_init.
6989 * tree-ssa-sink.c (execute_sink_code): Ditto.
6990 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6991 * tree-ssa-pre.c (init_pre): Ditto.
6992 * cfgloop.h (LOOPS_NORMAL): New.
6993 (loop_optimizer_init): Declaration changed.
6995 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6997 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6998 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7000 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7002 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7004 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7005 * pa/t-pa64: Delete quadlib.c rule.
7006 * pa/x-ada: Revert last change.
7007 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7009 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7011 PR rtl-optimization/26087
7012 * rtlanal.c (canonicalize_condition): Do not cross basic block
7015 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7018 * config/ia64/ia64.c: Include debug.h.
7019 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7020 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7021 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7022 (process_epilogue, process_set, process_for_unwind_directive):
7023 Output unwind info only if requested. Add CFA info if requested.
7024 Add new arguments as needed. Adjust callers.
7025 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7027 (DWARF2_FRAME_INFO): Define to zero.
7028 * config/ia64/unwind-ia64.c: Remove code that compensated for
7029 the CFA offset error fixed above.
7030 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7031 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7032 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7033 -funwind-tables and -fexceptions to enable frame info.
7034 (dwarf2out_frame_init): Define initial CFA even if
7035 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7036 DWARF2_UNWIND_INFO is nonzero, not just defined.
7037 (dwarf2out_frame_finish): Output non-EH call frame info only
7038 if DWARF2_FRAME_INFO is nonzero.
7039 (convert_cfa_to_loc_list,
7040 compute_frame_pointer_to_cfa_displacement): Define even if
7041 unwind info is not supported.
7042 (gen_subprogram_die): Use the above unconditionally. Remove
7043 legacy alternate code.
7044 * toplev.c (compile_file): Compile in call to
7045 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7046 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7048 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7049 Jakub Jelinek <jakub@redhat.com>
7051 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7052 IBM extended float format long double as "g" on powerpc*-linux.
7054 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7057 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7058 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7060 2006-02-03 Jason Merrill <jason@redhat.com>
7063 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7066 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7067 on the return slot if it's an NRV.
7069 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7071 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7072 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7073 rewrite_use): Do not handle USE_OUTER.
7074 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7075 add_iv_outer_candidates, may_replace_final_value,
7076 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7077 (find_interesting_uses_op): Functionality of
7078 find_interesting_uses_outer_or_nonlin moved here.
7079 (find_interesting_uses_outside): Use find_interesting_uses_op.
7081 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7084 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7086 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7087 Ulrich Weigand <uweigand@de.ibm.com>
7090 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7091 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7092 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7093 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7095 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7096 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7097 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7098 Define secondary reloads for TFmode moves.
7099 (constant_modes): Add TFmode.
7100 (NR_C_MODES): Set to 8.
7101 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7103 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7104 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7105 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7106 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7107 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7108 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7109 (FPR mode macro): Add TFmode.
7110 (DSF mode macro): New.
7111 (<de>, <dee> mode attributes): Removed.
7112 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7113 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7114 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7115 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7116 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7117 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7118 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7119 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7120 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7121 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7122 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7123 "*negabs<mode>2", "sqrt<mode>2"):
7124 Changed <de> to <xde>. R constraint replaced by <Rf>.
7125 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7127 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7128 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7129 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7131 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7132 "extenddftf2", "extendsftf2"): New expanders.
7133 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7134 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7135 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7136 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7138 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7139 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7140 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7141 __floatditf): Add a GCC_4.1.0 symbol version tag.
7142 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7145 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7148 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7149 Use targetm.binds_local_p instead of TREE_PUBLIC.
7151 2006-02-02 Roger Sayle <roger@eyesopen.com>
7153 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7154 on INTEGER_TYPEs to indicate that it denotes a character type.
7155 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7156 signed_char_type_node, unsigned_char_type_node and char_type_node.
7157 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7158 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7159 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7161 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7162 Daniel Berlin <dberlin@dberlin.org>
7164 * tree-tailcall.c (arg_needs_copy_p): New function.
7165 (eliminate_tail_call): Use arg_needs_copy_p.
7166 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7167 (add_virtual_phis): New function.
7169 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7171 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7172 #ignore instead of #scratch for %g7 .register directive.
7174 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7176 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7179 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7181 * flow.c (calculate_global_regs_live): Assert that there aren't any
7184 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7186 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7188 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7189 bsi_after_labels iterator.
7190 * tree-if-conv.c (find_phi_replacement_condition,
7191 replace_phi_with_cond_modify_expr): Likewise.
7192 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7193 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7195 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7197 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7199 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7202 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7203 array after growing it.
7205 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7208 * fold-const.c (fold_checksum_tree): Change type of buf.
7210 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7212 * reload.c (push_secondary_reload): Initialize t_icode.
7214 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7216 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7217 -msoft-float -mlong-double-128 only issue a warning, but don't
7218 swich to DFmode long double.
7220 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7222 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7223 has a constant equivalent, iterate over equivalents for arg0,
7224 calling simplify_relational_operation and if there's a result
7225 cheaper than X, apply fold_rtx and return the result.
7227 2006-02-01 Jan Hubicka <jh@suse.cz>
7229 * opts.c (no_unit_at_a_time_default): New global variable.
7230 (decode_options): Use it.
7231 * opts.h (no_unit_at_a_time_default): Declare.
7233 2006-02-01 Paul Brook <paul@codesourcery.com>
7235 * function.c (assign_parm_setup_reg): Use function argument promotion
7237 * expr.c (expand_expr_real_1): Use function argument promotion rules
7240 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7242 * gcc.c (process_command): Change j to 'unsigned int'.
7244 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7247 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7248 Use the corrected index for the character
7249 out of the string constant.
7251 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7253 * mode-switching.c (optimize_mode_switching): Fix size
7254 allocated for bb_info[n_entities].
7256 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7258 * gcc.c (main): Correct type that is allocated for
7259 explicit_link_files.
7261 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7263 * config/s390/s390.c (init_alignment_context): Set
7264 ALIAS_SET_MEMORY_BARRIER on the MEM.
7265 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7267 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7270 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7272 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7275 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7277 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7278 * regrename.c: Ditto.
7279 * tree-ssa-loop-im.c: Ditto.
7280 * tree-dump.c: Ditto.
7281 * tree-complex.c: Ditto.
7282 * genrecog.c: Ditto.
7283 * tree-ssa-threadupdate.c: Ditto.
7285 * java/class.c: Ditto.
7286 * java/jcf-parse.c: Ditto.
7287 * java/resource.c: Ditto.
7288 * java/except.c: Ditto.
7289 * java/jvspec.c: Ditto.
7290 * java/jcf-write.c: Ditto.
7291 * java/jcf-path.c: Ditto.
7292 * java/gjavah.c: Ditto.
7293 * java/zextract.c: Ditto.
7294 * java/jcf-io.c: Ditto.
7295 * java/jcf.h: Ditto.
7296 * java/buffer.c: Ditto.
7297 * java/lang.c: Ditto.
7298 * java/parse-scan.y: Ditto.
7299 * java/lex.c: Ditto.
7300 * java/lex.h: Ditto.
7301 * cfgloopmanip.c: Ditto.
7302 * postreload-gcse.c: Ditto.
7303 * tree-ssa-loop-manip.c: Ditto.
7304 * postreload.c: Ditto.
7305 * tree-ssa-loop-ch.c: Ditto.
7309 * diagnostic.c: Ditto.
7311 * genoutput.c: Ditto.
7313 * cfghooks.c: Ditto.
7314 * cfgloopanal.c: Ditto.
7315 * objc/objc-act.c: Ditto.
7317 * genextract.c: Ditto.
7318 * genautomata.c: Ditto.
7319 * pretty-print.c: Ditto.
7321 * cgraphunit.c: Ditto.
7324 * haifa-sched.c: Ditto.
7325 * dominance.c: Ditto.
7327 * tree-ssa-loop-ivopts.c: Ditto.
7329 * mode-switching.c: Ditto.
7330 * modulo-sched.c: Ditto.
7332 * ipa-pure-const.c: Ditto.
7334 * fix-header.c: Ditto.
7336 * tree-stdarg.c: Ditto.
7337 * ipa-utils.c: Ditto.
7338 * loop-init.c: Ditto.
7339 * ipa-inline.c: Ditto.
7342 * alloc-pool.c: Ditto.
7343 * dwarf2out.c: Ditto.
7345 * genattrtab.c: Ditto.
7346 * tree-ssa-loop-ivcanon.c: Ditto.
7350 * fortran/gfortranspec.c: Ditto.
7352 * local-alloc.c: Ditto.
7353 * langhooks.c: Ditto.
7354 * function.c: Ditto.
7355 * tree-vectorizer.c: Ditto.
7357 * ipa-type-escape.c: Ditto.
7359 * tree-if-conv.c: Ditto.
7362 * tree-data-ref.c: Ditto.
7363 * loop-unroll.c: Ditto.
7364 * treelang/treetree.c: Ditto.
7367 * ggc-common.c: Ditto.
7369 * coverage.c: Ditto.
7371 * tree-cfgcleanup.c: Ditto.
7372 * tree-ssa-pre.c: Ditto.
7373 * cfgcleanup.c: Ditto.
7374 * loop-invariant.c: Ditto.
7376 * ipa-prop.c: Ditto.
7377 * print-tree.c: Ditto.
7378 * conflict.c: Ditto.
7379 * ggc-page.c: Ditto.
7380 * sched-deps.c: Ditto.
7381 * regclass.c: Ditto.
7382 * tree-object-size.c: Ditto.
7384 * bb-reorder.c: Ditto.
7385 * resource.c: Ditto.
7386 * var-tracking.c: Ditto.
7388 * df-problems.c: Ditto.
7389 * reg-stack.c: Ditto.
7392 * sched-rgn.c: Ditto.
7393 * tree-ssa-structalias.c: Ditto.
7394 * tree-ssa-reassoc.c: Ditto.
7395 * config/darwin-c.c: Ditto.
7396 * config/darwin.c: Ditto.
7397 * config/arm/arm.c: Ditto.
7399 * collect2.c: Ditto.
7402 2006-01-31 Nicolas Pitre <nico@cam.org>
7404 * arm.md (smaxsi3): Make aware of smax_m1.
7407 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7409 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7411 2006-01-31 Richard Guenther <rguenther@suse.de>
7413 * doc/invoke.texi (-msselibm): Document.
7414 * target.h (expand_library_builtin): New target hook.
7415 * builtins.c (expand_builtin): Use expand_library_builtin.
7416 (default_expand_library_builtin): New function.
7417 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7418 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7419 (link_gcc_math_spec): Declare.
7420 (static_specs): Add link_gcc_math_spec.
7421 * expr.h (default_expand_library_builtin): Declare.
7422 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7423 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7424 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7425 * config/i386/i386.opt (msselibm): New target option.
7426 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7427 (ix86_init_sse_abi_builtins): New function.
7428 (ix86_expand_library_builtin): Likewise.
7429 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7430 (override_options): Handle error conditions wrt -msselibm.
7431 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7432 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7433 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7436 2006-01-31 Richard Guenther <rguenther@suse.de>
7437 Paolo Bonzini <bonzini@gnu.org>
7439 * doc/install.texi (--disable-libgcc-math): Document.
7441 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7443 * expr.h (expand_normal): new inline function.
7444 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7446 * dwarf2out.c: use it.
7451 * config/sparc/sparc.c: use it.
7452 * config/i386/i386.c: use it.
7453 * config/rs6000/rs6000.c: use it.
7454 * config/arm/arm.c: use it.
7455 * config/mips/mips.c: use it.
7456 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7458 2006-01-30 Roger Sayle <roger@eyesopen.com>
7460 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7461 argv to the appropriate type.
7463 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7465 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7468 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7471 * config/s390/s390.c (struct machine_function): New flag
7472 decomposed_literal_pool_addresses_ok_p.
7473 (s390_reorg): Set it before final stage of literal pool transforms.
7474 (s390_decompose_address): Only accept displacements of the form
7475 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7477 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7479 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7480 the comparison routine return.
7482 2006-01-30 Michael Matz <matz@suse.de>
7484 * global.c (find_reg): Only evict for global regs.
7485 Take n_refs into account and dump more info.
7487 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7490 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7491 (pragma_trap, pragma_nosave_low_regs): Likewise.
7492 (current_function_anonymous_args): Likewise.
7493 (sh_deferred_function_attributes): New variable.
7494 (sh_deferred_function_attributes_tail): Likewise.
7495 (print_operand): For '@', look up trap_exit attribute.
7496 (calc_live_regs): Look up trapa_handler attribute. For trapa
7497 handlers, save/restore fpscr, but don't do any other
7498 interrupt-specific saves.
7499 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7500 Fix check for partially saved registers to check for SHmedia.
7501 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7502 (sh_output_function_epilogue): Don't clear any of the removed
7504 (sh_insert_attributes): Don't check pragma_interrupt.
7505 Insert deferred attributes. Check that interrupt attribute is
7506 present for other attributes that require its presence.
7507 (sh_attribute_table): Add new attributes trapa_handler and
7509 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7510 Don't check for pragma_interrupt. Don't store argument.
7511 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7512 (sh_deferred_function_attributes): Declare.
7513 (sh_deferred_function_attributes_tail): Likewise.
7514 * sh.md (sp_switch_1): Add operand. Change generator caller.
7515 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7516 (*return_i): Don't use when trap_exit attribute is in effect.
7517 (*return_trapa): New insn pattern.
7519 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7520 setting c_target_objs and cxx_target_objs.
7521 * t-sh: Add rule for sh-c.o.
7523 2006-01-30 Richard Guenther <rguenther@suse.de>
7526 * gimplify.c (gimplify_target_expr): Handle easy cases
7527 without creating a temporary.
7529 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7531 * vec.h (safe_grow): Remove duplicated line.
7533 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7536 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7537 (expand_omp): ... here.
7538 (expand_omp_parallel): Only remove barriers for combined
7539 parallel+workshare constructs.
7541 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7545 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7546 * tree.c (build_qualified_type): Chain the new type to the original
7547 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7548 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7549 (build_pointer_type_for_mode): Only return unqualified types.
7550 (build_reference_type_for_mode): Likewise.
7552 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7554 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7555 * Makefile.in (CXX_COMPAT_WARN): Define.
7556 * configure: Regenerate.
7558 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7561 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7564 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7566 * toplev.c: Fix thinko.
7568 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7569 Marcin Dalecki <martin@dalecki.de>
7571 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7572 (push_srcloc): Use XNEW.
7573 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7575 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7577 * df-core.c (df_set_blocks): Deleted all variable.
7579 2006-01-28 Ian Lance Taylor <ian@airs.com>
7581 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7582 cgraph_output_pending_asms.
7584 2006-01-28 Zack Weinberg <zackw@panix.com>
7586 * c.opt: Add -W(no-)overlength-strings.
7587 * doc/invoke.texi: Document it.
7588 * c-opts.c (c_common_handle_option): -pedantic implies
7589 -Woverlength-strings, if not explicitly disabled already.
7590 (c_common_post_options): -Woverlength-strings defaults to off, and
7591 is always off for C++.
7592 * c-common.c (fix_string_type): Issue warning about strings longer
7593 than is portable only if warn_overlength_strings. Rearrange code
7594 a little for clarity.
7595 * configure.in: Check for -Wno-overlength-strings as well before
7596 enabling -pedantic in stage 1.
7597 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7598 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7600 * genconditions.c (write_header, write_one_condition)
7601 (write_conditions, write_writer): Consolidate very long strings
7602 that were broken up to fit in C89 portable limit. Don't use
7603 printf when fputs will do.
7605 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7607 * combine.c (simplify_comparison <AND>): Check
7608 TRULY_NOOP_TRUNCATION before start using a subreg.
7610 * config/mips/mips.md (*branch_zero<mode>,
7611 *branch_zero<mode>_inverted, *branch_equality<mode>,
7612 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7613 Remove mode check from comparisons.
7615 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7617 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7619 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7621 * expmed.c (const_mult_add_overflow_p): Remove.
7622 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7624 * recog.c (validate_replace_rtx_subexp): Remove.
7625 * recog.h: Remove the prototype for
7626 validate_replace_rtx_subexp.
7628 * integrate.h: Remove the prototype for
7629 copy_decl_for_inlining.
7630 * rtl.h: Remove the prototype for mark_constant_function.
7631 * tree-vectorizer.h: Remove the prototype for
7632 vect_strip_conversion.
7634 * modulo-sched.c (create_partial_schedule,
7635 free_partial_schedule, reset_partial_schedule): Make them
7638 * hooks.c (hook_bool_rtx_int_false): Remove.
7639 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7641 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7643 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7644 and -mlong-double-128 are incompatible.
7645 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7646 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7647 (TARGET_LIBGCC2_CFLAGS): Define.
7648 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7649 (TARGET_LIBGCC2_CFLAGS): Same.
7650 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7652 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7655 * c-typeck.c (build_binary_op): Perform implicit casts of
7656 operands before shortening them.
7658 * cfgloopmanip.c (split_loop_bb): Remove.
7659 * cfgloop.h: Remove the prototype for split_loop_bb.
7661 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7662 * cfgloop.h: Remove the prototype for
7663 flow_loop_outside_edge_p.
7665 * emit-rtl.c (init_virtual_regs): Make it static.
7666 * function.h: Remove the prototype for init_virtual_regs.
7668 * recog.c (peephole2_optimize): Make it static.
7669 * recog.h: Remove the prototype for peephole2_optimize.
7671 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7673 * df-scan.c (df_record_entry_block_defs): Check if
7674 INCOMING_RETURN_ADDR_RTX is defined.
7676 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7677 Kenneth Zadeck <zadeck@naturalbridge.com>
7679 PR rtl-optimization/24762
7680 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7681 * targhooks.c (hook_void_bitmap): New hook prototype.
7682 * targhoohs.h (hook_void_bitmap): Ditto.
7683 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7684 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7685 * target.h (live_on_entry): New function pointer.
7686 * df-scan.c (df_all_hard_regs): Removed.
7687 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7688 (df_scan_free_internal): Added df->entry_block_defs.
7689 (df_scan_alloc): Ditto.
7690 (df_scan_dump): Ditto.
7691 (df_uses_record): Plumbed flag field properly thru calls.
7692 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7693 This part fixes PR24762.
7694 (df_bb_refs_record): Added code to make the frame and arg
7695 pointers live in EH blocks.
7696 (df_refs_record): Added call to df_record_entry_block_defs.
7697 (df_record_entry_block_defs): New function.
7698 * df-core.c: Added comments to describe new artifical defs.
7699 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7700 (entry_block_defs): New field in struct df.
7701 (df_all_hard_regs): Deleted.
7702 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7703 * df-problems.c (df_ru_bb_local_compute_process_def):
7704 Added code to handle artifical defs in the entry to a function.
7705 (df_ru_bb_local_compute): Ditto.
7706 (df_rd_bb_local_compute_process_def): Ditto.
7707 (df_rd_bb_local_compute): Ditto.
7708 (df_lr_bb_local_compute): Ditto.
7709 (df_ur_bb_local_compute): Ditto.
7710 (df_urec_bb_local_compute): Ditto.
7711 (df_chain_create_bb): Ditto.
7712 (df_ur_local_finalize): Removed entry.
7713 (df_urec_init): Ditto.
7714 (df_urec_local_finalize): Ditto.
7715 (df_ri_bb_compute): Added detection of last use of pseudos.
7716 * Makefile.in (df-scan.o): Updated dependencies.
7717 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7718 * config/mips/mips.c (mips_set_live_on_entry): Added.
7719 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7721 * dce.c (marked_insn_p): Added code to handle artifical defs.
7723 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7725 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7727 (_mm_cvtsi128_si64): Likewise.
7728 (_mm_cvtsd_si64): Likewise.
7729 (_mm_cvttsd_si64): Likewise.
7730 (_mm_cvtsi64_sd): Likewise.
7731 (_mm_cvtsi64_si128): Likewise.
7732 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7733 (_mm_cvtsi64_m64): Likewise.
7734 (_m_to_int64): Likewise.
7735 (_mm_cvtm64_si64): Likewise.
7736 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7737 (_mm_cvttss_si64): Likewise.
7738 (_mm_cvtsi64_ss): Likewise.
7739 (_mm_cvtss_f32): Likewise.
7741 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7743 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7744 for pragma redefine_extname.
7746 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7749 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7750 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7751 -mno-minimal-toc to previous content.
7752 (bispecs): Remove goal.
7753 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7754 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7755 compatibility aliases on powerpc-*-*gnu*.
7756 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7757 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7758 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7759 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7760 (ldblspecs): New goal.
7761 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7762 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7764 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7765 L_sf_to_tf or L_df_to_tf is defined.
7767 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7768 Alan Modra <amodra@bigpond.net.au>
7771 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7772 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7773 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7774 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7775 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7776 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7777 (rs6000_override_options): Initialize rs6000_ieeequad.
7778 Initialize TFmode format to ibm_extended_format if not
7780 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7782 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7783 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7784 (function_arg_advance): IBM long double passed in two FPRs, not
7786 (function_arg): IBM long double passed in FPRs.
7787 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7788 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7789 Only multireg GPR aligned.
7790 (rs6000_init_libfuncs): Enable IBM long double functions if not
7792 (rs6000_generate_compare): Use IBM long double compare if not
7794 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7795 (TARGET_IEEEQUAD): Define.
7796 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7797 not TARGET_IEEEQUAD.
7798 * config/rs6000/rs6000.md: Enable TFmode patterns if
7800 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7801 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7802 and -mlong-double-128 are incompatible.
7803 * doc/invoke.texi (-mabi): Collect options together. Add
7804 ibmlongdouble and ieeelongdouble.
7806 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7808 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7810 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7811 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7812 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7813 * rtl.h (rtunion_def): Remove rt_ptr.
7815 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7816 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7817 * config/i386/winnt.c (i386_pe_mark_dllexport)
7818 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7820 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7822 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7824 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7828 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7829 pthread_key_delete. From John David Anglin. gthrw-ify
7830 pthread_getunique_np only if it it's not a macro. Delete
7832 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7833 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7834 __gthread_objc_condition_signal, __gthread_key_delete): Add
7835 "__attribute__ ((__unused__))" to unused arguments.
7836 (__gthread_recursive_mutex_init_function): Add missing return.
7837 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7838 gthr-posix95.h: Use macro-based approach for name redirection
7839 on targets missing weakref.
7841 2006-01-26 Zack Weinberg <zackw@panix.com>
7843 * genconditions.c (write_header): In generated code, #ifdef out
7844 all includes and fake declarations, except includes of bconfig.h
7845 and system.h, unless GCC_VERSION >= 3001. Do not include
7846 gensupport.h in any case.
7847 (write_conditions): Generate a definition of struct c_test. Add
7848 a comment to the generated #endif.
7849 (write_one_condition): Escape backslashes in string too.
7850 (write_writer): Generated code must escape backslashes and quote
7851 marks (but not newlines) in the strings it writes.
7852 * Makefile.in (build/gencondmd.o): Update dependencies.
7854 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7857 * Makefile.in (insn-automata.o): Add header file dependencies.
7858 * genautomata.c: Add includes.
7860 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7863 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7865 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7867 * configure.ac: Expect target tools paths to be passed from the toplevel
7868 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7870 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7872 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7875 * c.opt (Wpointer-sign): Init to -1.
7876 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7877 OPT_pedantic, to 0 otherwise.
7878 * doc/invoke.texi: Update.
7880 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7882 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7883 constants provided by 80387 instructions in the destination mode.
7885 2006-01-26 Richard Guenther <rguenther@suse.de>
7886 Andrew Pinski <pinskia@physics.uc.edu>
7889 partial PR tree-opt/17064
7890 * tree-ssa-structalias.c (intra_create_variable_infos):
7891 Create heap variables for incoming parameters if
7892 flag_argument_noalias > 1.
7893 (find_what_p_points_to): Look through default defs of
7896 2006-01-26 Jeff Law <law@redhat.com>
7899 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7900 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7901 within the VR_RANGE, use the VR_RANGE as the result, not the
7903 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7904 bounds for the type.
7906 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7908 * tree-ssa-alias.c (maybe_create_global_var): Change
7909 subvar walking to an assertion that we don't have subvar'd variables.
7911 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7914 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7915 Use a new variable, inner. PARM_DECLs are always non-weak.
7917 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7919 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7922 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7924 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7926 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7928 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7929 (smax_insn, smin_insn, smax_0, smin_0): New.
7931 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7934 * config/cris/cris.c (cris_order_for_addsi3): New function.
7935 * config/cris/cris-protos.h: Prototype it.
7936 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7937 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7938 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7939 (split for "op.S1 [rx=rx+i],ry (swapped)")
7940 (split for "op(s|u).S1 [rx=rx+i],ry")
7941 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7942 Apply cris_order_for_addsi3 when generating addsi3 insns.
7944 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7946 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7947 (TREE_BLOCK): Add call to EXPR_CHECK.
7949 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7952 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7953 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7954 (dump_omp_clauses): ... here.
7955 (dump_generic_node): Handle OMP_CLAUSE.
7956 * tree.c (omp_clause_num_ops): New.
7957 (omp_clause_code_name): New.
7958 (tree_code_size): Handle OMP_CLAUSE.
7959 (tree_size): Likewise.
7960 (make_node): Document handling of OMP_CLAUSE.
7961 (tree_node_structure): Handle OMP_CLAUSE.
7962 (omp_clause_check_failed): New.
7963 (omp_clause_range_check_failed): New.
7964 (omp_clause_operand_check_failed): New.
7965 (build_omp_clause): New.
7966 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7967 * tree.h (enum omp_clause_code): Declare.
7968 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7969 (OMP_CLAUSE_RANGE_CHECK): Define.
7970 (OMP_CLAUSE_ELT_CHECK): Define.
7971 (omp_clause_check_failed): Declare.
7972 (omp_clause_operand_check_failed): Declare.
7973 (omp_clause_range_check_failed): Declare.
7974 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7975 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7976 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7977 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7978 (OMP_CLAUSE_IF_EXPR): Likewise.
7979 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7980 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7981 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7982 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7983 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7984 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7985 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7986 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7987 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7988 (OMP_CLAUSE_CODE): Define.
7989 (OMP_CLAUSE_SET_CODE): Define.
7990 (OMP_CLAUSE_CODE): Define.
7991 (OMP_CLAUSE_OPERAND): Define.
7992 (struct tree_omp_clause): Declare.
7993 (union tree_node): Add field 'omp_clause'.
7994 * treestruct.def (TS_OMP_CLAUSE): Define.
7995 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7996 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7997 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7998 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7999 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8000 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8001 (OMP_CLAUSE): Define.
8002 * print-tree.c (print_node): Handle OMP_CLAUSE.
8003 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8004 * c-typeck.c: Likewise.
8005 * gimplify.c: Likewise.
8006 * c-omp.c: Likewise.
8007 * tree-nested.c: Likewise.
8008 * tree-inline.c: Likewise.
8009 * c-parser.c: Likewise.
8010 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8013 2006-01-25 Roger Sayle <roger@eyesopen.com>
8015 PR rtl-optimization/25703
8016 * combine.c (try_combine): Handle zero_extract and strict_low_part
8017 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8019 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8021 * global.c: Fix comment typos.
8023 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8026 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8027 Use output_addr_const instead of assemble_name.
8029 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8031 * Makefile.in (sched-vis.o): Update dependencies.
8032 * haifa-sched.c (sched_finish): Clear current_sched_info.
8033 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8034 (dump_flow_info): Call it.
8035 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8037 * basic-block.h (dump_bb_info): Declare.
8038 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8039 option, and apply options only for dump files whose TDF_RTL,
8040 TDF_TREE, or TDF_IPA bits match.
8041 * rtl.h: Declare new functions exported from sched-vis.c.
8042 * sched-vis.c: Enable also if scheduling is not used.
8043 (print_value): Print the mode of registers if not inside scheduling.
8044 (print_insn): Make it work outside the scheduler. Beautify the output
8046 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8048 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8050 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8051 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8052 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8053 depending on the value of CONSTANT_POOL_ADDRESS_P.
8054 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8056 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8057 rather than SYMBOL_REF_DECL.
8058 (rtx_constant_pool): Remove const_rtx_sym_htab.
8059 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8060 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8061 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8062 Remove handling of const_rtx_sym_htab.
8063 (find_pool_constant): Delete.
8064 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8065 rather than find_pool_constant.
8066 (get_pool_constant_for_function): Delete.
8067 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8069 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8070 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8071 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8072 (SYMBOL_REF_CONSTANT): New macro.
8073 (get_pool_constant_for_function): Delete.
8074 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8075 rather than SYMBOL_REF_DECL.
8076 (i386_pe_mark_dllimport): Likewise.
8077 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8078 rather than SYMBOL_REF_DECL.
8079 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8080 (machopic_indirect_call_target): Likewise.
8082 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8084 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8086 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8088 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8090 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8092 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8094 2006-01-24 David Daney <ddaney@avtrex.com>
8097 * configure.ac (enable_tls): New enable option.
8098 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8099 * configure: Regenerate.
8100 * doc/install.texi (--enable-tls): Document new option.
8101 (--disable-tls): Ditto.
8103 2006-01-24 Richard Henderson <rth@redehat.com>
8105 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8106 * alias.c (true_dependence): Respect it.
8107 (canon_true_dependence, write_dependence_p): Likewise.
8108 * builtins.c (get_builtin_sync_mem): Set it.
8110 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8112 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8115 2006-01-24 DJ Delorie <dj@redhat.com>
8117 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8118 for storing constants in single-bit bitfields.
8120 2006-01-25 Ben Elliston <bje@au.ibm.com>
8122 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8124 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8127 * tree-ssa-pre.c (phi_translate): Return NULL
8128 for AGGREGATE_TYPE's.
8130 2006-01-24 Zack Weinberg <zackw@panix.com>
8132 * genautomata.c (process_state_for_insn_equiv_partition):
8133 Use xcalloc for insn_arcs_array.
8134 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8135 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8137 2006-01-24 Richard Henderson <rth@redhat.com>
8139 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8142 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8144 PR rtl-optimization/25890
8145 PR rtl-optimization/25905
8146 * combine.c (expand_compound_operation, expand_field_assignment):
8147 Fail if the bitfield's final position is out of bounds.
8149 2006-01-24 Ian Lance Taylor <ian@airs.com>
8152 * cgraphunit.c (cgraph_output_in_order): Don't clear
8153 cgraph_asm_nodes until after asm strings have been output.
8155 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8157 * fix-header.c (read_scan_file): Add new parameter imultilib when
8158 calling register_include_chains.
8160 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8162 * omp-low.c: Update documentation.
8164 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8165 Daniel Berlin <dberlin@dberlin.org>
8169 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8170 return from the function.
8172 2006-01-22 Zack Weinberg <zackw@panix.com>
8174 * rtl.def (match_code): Add second argument.
8175 * genpreds.c (write_extract_subexp): New function.
8176 (write_match_code): Add path argument. Use write_extract_subexp.
8177 (write_predicate_expr): Pass path to write_match_code.
8178 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8179 not perform a mode test.
8180 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8181 a subexpression does not constrain the top-level code set.
8182 * read-rtl.c (read_rtx_variadic): New function.
8183 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8184 * doc/md.texi: Document new notation.
8185 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8186 (cmpsi_operand): ... here, using new notation.
8188 2006-01-22 Zack Weinberg <zackw@panix.com>
8190 * varray.c: Remove GENERATOR_FILE #ifdefs.
8192 2006-01-22 Zack Weinberg <zackw@panix.com>
8194 * genautomata.c (output_reserved_units_table): Emit nothing if
8195 description->query_units_num is zero. Remove extra blank line.
8196 (output_cpu_unit_reservation_p): Short circuit
8197 if description->query_units_num is zero.
8199 2006-01-22 Zack Weinberg <zackw@panix.com>
8201 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8202 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8203 nor any of the random handful of variables that used to be necessary
8204 when this program was linked with rtlanal.o. Prune set of forward
8205 function declarations.
8206 (struct attr_desc): Remove static_p field.
8207 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8208 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8209 (attr_string): Do not read the character one past the length of
8211 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8212 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8213 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8214 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8215 (make_automaton_attrs): New.
8216 (main): Do not call into genautomata. Call local gen_bypass
8217 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8218 Remove special case for insn_alts.
8219 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8220 varray.h (leftover from previous change). Prune set of forward
8221 function declarations. Remove state_alts fields from all
8222 structures. Remove state_alts_table from struct automaton.
8223 Make everything except main static. Do not maintain num_dfa_decls.
8224 Do not maintain state_alts fields of various structures.
8225 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8226 (add_arc): Remove state_alts argument. All callers updated.
8227 (output_reserved_units_table): Emit #ifdef here...
8228 (output_tables): ...not here. Don't generate state_alts tables.
8229 (expand_automata): Don't generate attributes.
8230 (write_automata): Don't generate state_alts functions.
8231 (main): New function.
8232 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8233 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8234 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8235 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8236 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8237 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8238 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8239 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8241 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8242 * genattrtab.h: Delete file.
8243 * Makefile.in (OBJS-common): Add insn-automata.o.
8244 (insn-automata.o): New rule.
8245 (simple_generated_c): Add insn-automata.c.
8246 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8247 (genprogmd): Add automata.
8248 (build/genattrtab): Needs no extra objects nor libraries.
8249 (build/genautomata): Needs build/vec.o and -lm.
8251 2006-01-22 Zack Weinberg <zackw@panix.com>
8253 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8254 (output_dfa_max_issue_rate, locked_states_num): Delete.
8255 (struct automaton): Add locked_states field.
8256 (output_dead_lock_vect): Save number of locked states in
8257 automaton->locked_states. If it is zero, don't print anything.
8258 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8259 (output_internal_dead_lock_func): Only test the dead_lock_vect
8260 for automata that have locked states.
8261 (output_statistics): Always print the number of locked states for
8262 each automaton. Calculate total number of locked states here.
8263 (write_automata): Don't call output_dfa_max_issue_rate.
8264 * genattrtab.c: Define length_unit_log as a const variable.
8265 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8266 max_insn_queue_index const.
8267 * final.c (length_unit_log): Declare const.
8268 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8270 2006-01-22 Zack Weinberg <zackw@panix.com>
8272 * genautomata.c: Include vec.h, not varray.h.
8273 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8274 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8275 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8276 VEC_* macros operating on appropriately typed vectors, or to
8277 malloced arrays when the size is known in advance. Const-ify
8278 many char* variables and function arguments. No functional changes.
8279 * Makefile.in (build/varray.o): Delete rule.
8280 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8281 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8283 2006-01-22 Zack Weinberg <zackw@panix.com>
8285 * gensupport.c: Define get_insn_name and record_insn_name here.
8286 (read_md_rtx): Call record_insn_name as appropriate.
8287 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8288 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8289 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8291 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8292 (BUILD_VARRAY): Delete.
8293 (genprognormal): Rename genprogmd. Fold in all programs from
8294 genprognoprint; also attrtab.
8295 (build/genattrtab): Just mention genautomata.o and varray.o.
8296 Reorganize a bit, add comments to make the categories clearer.
8298 2006-01-22 Zack Weinberg <zackw@panix.com>
8300 * genconditions.c (condition_table, add_condition): Delete.
8301 (write_conditions): Don't emit n_insn_conditions nor
8302 insn_elision_unavailable. Issue the gcc version #ifdef here,
8303 inside the table, with no #else clause ...
8304 (write_header): ...not here.
8305 (write_writer): New function.
8306 (main): Don't initialize condition_table. Use add_c_test.
8308 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8309 files on the command line.
8310 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8311 Return -1 if there is no entry in the table, don't abort.
8312 (add_c_test, traverse_c_tests): New functions.
8313 * gensupport.h (insn_elision_unavailable, insn_conditions)
8314 (n_insn_conditions): Delete declarations.
8315 (add_c_test, traverse_c_tests): Declare.
8316 * read-rtl.c: Include gensupport.h.
8317 (read_conditions): New function.
8318 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8319 (read_rtx_1): If we get EOF when we were looking for an initial
8320 open paren, return 0. Call read_conditions when appropriate.
8321 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8322 dummy-conditions.o. Eliminate references to insn-conditions.o,
8323 or change them to build/gencondmd.o, as appropriate. Remove
8324 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8325 from $(simple_generated_c). For all files remaining in those
8326 two lists, add insn-conditions.md to the generator command line.
8327 Give insn-constants.h/s-constants their own rules. Add rules
8328 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8329 (build/read-rtl.o): Depend on gensupport.h.
8330 (genprognormal): Include preds.
8331 (genprogearly): Rename genprognoprint; only difference is now that
8332 they don't link with $(BUILD_PRINT).
8333 * dummy-conditions.c: Delete.
8335 2006-01-22 Zack Weinberg <zackw@panix.com>
8337 * genextract.c: Don't include insn-config.h. Do include vec.h.
8338 Declare vectors of int, char, and locstr.
8339 (locstr): New typedef.
8340 (struct extraction): Make all array fields into bare pointers.
8341 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8342 (insn_code_number): Delete.
8343 (accum_extract): New struct.
8344 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8345 (gen_insn): Take insn_code_number as an argument. Use an
8346 accum_extract structure instead of loading data directly into
8347 a struct extraction, and having to know how big it might get.
8348 (walk_rtx): Operate entirely on an accum_extract structure.
8349 (print_path): Avoid unnecessary use of printf.
8350 (print_header): New function, split out of main. Distinguish
8351 more carefully between an unrecognizable insn and an insn that
8352 has the code number of a define_expand.
8353 (main): Pass insn_code_number to gen_insn. Call print_header
8354 only after parsing. Avoid unnecessary use of printf.
8355 * Makefile.in (build/vec.o): New rule.
8356 (build/genextract): Depend on build/vec.o.
8357 (build/genextract.o): Don't depend on insn-config.h.
8359 2006-01-22 Zack Weinberg <zackw@panix.com>
8361 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8362 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8363 practical. Eliminate per-generator-program link rules.
8365 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8368 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8369 with a call expr to ...
8370 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8372 2006-01-23 Richard Guenther <rguenther@suse.de>
8374 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8375 before make_edge with conditional EDGE_TRUE_VALUE.
8377 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8378 Jan Hubicka <jh@suse.cz>
8379 Richard Guenther <rguenther@suse.de>
8381 PR rtl-optimization/25654
8382 * cfgexpand.c (aggregate_contains_union_type): New function.
8383 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8384 for structure variables that contain a union type.
8386 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8388 * gengtype.c (new_structure): Return the structure.
8389 (create_option): Add an extra "next" argument.
8390 (create_field): New function.
8391 (adjust_field_rtx_def): Use create_option and create_field.
8392 Remove a now-unnecessary call to find_structure.
8393 (adjust_field_tree_def): Likewise.
8394 (note_yacc_type): Remove an unnecessary call to find_structure.
8395 * gengtype.h (new_structure): Return the structure.
8396 (create_option): Add an extra argument.
8397 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8398 (option): Adjust calls to create_option.
8400 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8402 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8404 2006-01-22 Paul Brook <paul@codesourcery.com>
8405 Peter Barada <peter@the-baradas.com>
8407 * config/m68k/m68k.md: Add Coldfire FPU support.
8408 Define FP mode macro and associated attributes.
8409 Use it for float mode patterns.
8410 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8411 (LIBCALL_VALUE): Use m68k_libcall_value.
8412 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8413 (m68k_function_value): Ditto.
8414 (emit_move_sequence): Ditto.
8415 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8416 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8417 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8418 (MULTILIB_EXCEPTIONS): Ditto.
8419 * config/m68k/m68k.opt: Add mcfv4e.
8420 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8421 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8422 (m68k_output_function_prologue): Save ColdFire FPU registers.
8423 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8424 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8425 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8426 ColdFire FPU registers.
8427 (m68k_libcall_value, m68k_function_value): New functions.
8428 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8429 (LIBCALL_VALUE): Use m68k_libcall_value.
8430 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8431 (MASK_COLDFIRE): Add MASK_CFV4E.
8432 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8433 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8434 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8435 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8436 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8437 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8438 * doc/invoke.tex: Document -mcfv4e on m68k.
8440 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8442 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8445 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8448 * c-opts.c (c_common_handle_option): Don't include
8449 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8450 * doc/invoke.texi (C++ Dialect Options): Document that
8451 -Wnon-virtual-dtor is no longer included in -Wall.
8453 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8455 * gcov.c (print_version), gcov-dump.c (print_version),
8456 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8459 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8461 * df-scan.c (problem_SCAN): Added NULL reset function.
8462 (df_scan_reset_blocks): Added code to call reset block function
8463 (df_bb_refs_delete) Fixed comment.
8464 (df_insn_refs_delete): Made tolerant of deleting non existent info
8465 for dataflow problems that need to be reset.
8466 * df-core.c (df_set_blocks): Ditto.
8467 * df.h (struct df_problem): Added reset_fun.
8468 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8469 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8470 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8471 functions to clear out all references to def-use or use-def chains.
8473 2006-01-21 Ben Elliston <bje@au.ibm.com>
8475 * varasm.c (assemble_real): Initialise data array.
8477 2006-01-20 Paul Brook <paul@codesourcery.com>
8479 Merge from csl-arm-branch.
8480 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8481 * config/arm/arm.md (movdi): Force operands[1] to a register
8482 if we have a non-register source.
8483 (*arm_movdi, *movdf_soft_insn): Require that one of the
8484 operands be a register.
8485 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8486 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8488 2006-01-20 DJ Delorie <dj@redhat.com>
8490 * varasm.c (initialize_constant_valid_p): Allow pointers
8491 initialized from integer constants of lesser precision.
8492 (output_constant): Allow non-int-sized pointer modes to be
8493 initialized from integer constants.
8495 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8498 * cppdefault.h (struct default_include): Add multilib flag.
8499 * cppdefault.c (cpp_include_defaults): Set it.
8500 * c.opt (-imultilib): New option.
8501 * c-opts.c (imultilib): New.
8502 (c_common_handle_option): Handle -imultilib.
8503 (c_common_post_options): Likewise.
8504 * c-incpath.c (add_standard_paths, register_include_chains):
8506 * c-incpath.h (register_include_chains): Add extra parameter.
8507 * gcc.c (do_spec_1): Generate -imultilib option.
8508 (The Specs Language): Update %I description.
8509 (process_command): Update copyright notice.
8510 * doc/cppopts.texi (-imultilib): Document.
8511 * doc/invoke.texi (-imultilib): Include in option summary.
8512 (%I): Update specs documentation.
8514 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8516 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8518 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8520 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8523 2006-01-20 Richard Guenther <rguenther@suse.de>
8524 Steven Bosscher <stevenb.gcc@gmail.com>
8526 PR rtl-optimization/24626
8527 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8528 EDGE_TRUE_VALUE if in RTL mode.
8531 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8532 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8534 2006-01-20 Dirk Mueller <dmueller@suse.com>
8537 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8538 instead of a special NOP marker.
8539 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8540 NOP marker handling.
8541 * c-common.h (empty_body_warning): Add forward declaration.
8542 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8543 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8545 2006-01-20 Paul Brook <paul@codesourcery.com>
8547 * Makefile.in (lang_checks): Keep going if mkdir fails.
8549 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8551 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8552 be able to clean out basic block when not necessary.
8553 (df_scan_free): Fixed to properly delete information if df is
8554 unused before calling df_finish.
8555 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8556 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8558 (df_bb_refs_delete): New function.
8559 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8560 * df-core.c (df_set_blocks): Added code to properly clean out
8561 unused blocks if they are not part of the blocks to consider.
8562 Added additional null check.
8563 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8564 be able to clean out basic block when not necessary
8565 * df.h (df_free_bb_function): Ditto.
8566 (df_bb_refs_delete): New function.
8567 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8568 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8569 basic block parameter to be able to clean out basic block when not
8571 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8572 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8573 Fixed to properly delete information if df is unused before
8576 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8578 PR rtl-optimization/25799
8579 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8580 Corrected confluence operator to remove bits from op2 before oring
8581 with op1 rather than removing bits from op1.
8582 (df_ru_transfer_function): Corrected test on wrong bitmap which
8583 caused infinite loop. Both of these problems were introduced in
8584 the dataflow rewrite.
8586 2006-01-19 DJ Delorie <dj@redhat.com>
8588 * reload1.c (find_reload_regs): Note the details of reload
8589 failures in the dump file.
8590 (spill_failure): Likewise.
8592 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8594 * loop-iv.c: Include df.h and hashtab.h.
8595 (enum iv_grd_result): New enum.
8596 (DF_REF_IV, DF_REF_IV_SET): New macros.
8597 (struct biv_entry): New.
8598 (df, bivs): New global variables.
8599 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8600 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8602 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8603 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8604 analyzed_for_bivness_p, record_biv): New functions.
8605 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8606 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8607 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8609 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8611 (iv_number_of_iterations): Use new interface to iv analysis.
8612 * loop-unroll.c: Do not include varray.h.
8613 (analyze_iv_to_split_insn): Use new interface to iv
8615 * loop-unswitch.c (may_unswitch_on): Ditto.
8616 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8618 (df_bb_modify): Realloc tables to the new index.
8619 (df_find_use): New function.
8620 * df.h (df_find_use): Declare.
8621 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8623 * cfgloop.h (struct rtx_iv): Remove analysed field.
8624 (iv_get_reaching_def): Removed.
8625 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8626 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8627 (loop-iv.o): Add df.h and hashtab.h dependency.
8628 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8630 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8633 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8635 (__floatundisf, __floatundidf): Likewise.
8636 * libgcc2.h (IS_IBM_EXTENDED): Define.
8638 2006-01-19 DJ Delorie <dj@redhat.com>
8640 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8642 2006-01-19 Paul Brook <paul@codesourcery.com>
8644 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8645 as nothrow when unwinding tables are disabled.
8647 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8650 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8651 of bit-field" when in system header.
8653 2006-01-19 DJ Delorie <dj@redhat.com>
8655 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8656 the 16 bit shift limit of the m16c.
8658 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8661 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8662 * config/i386/i386.c (output_set_got): Output the label if we have one
8663 for the TARGET_DEEP_BRANCH_PREDICTION case.
8665 2006-01-19 Jan Hubicka <jh@suse.cz>
8666 H.J. Lu <hongjiu.lu@intel.com>
8667 Evandro Menezes <evandro.menezes@amd.com>
8669 * invoke.texi (generic): Document
8671 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8672 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8673 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8674 (x86_use_incdec, x86_pad_returns): New variables
8675 (TARGET_CPU_DEFAULT_generic): New constant
8676 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8677 (enum processor_type): Add generic32 and generic64.
8678 * i386.md (cpu attribute): Add generic32/generic64
8679 (movhi splitter): Behave sanely when both partial_reg_dependency and
8680 partial_reg_stall are set.
8681 (K8 splitters): Enable for generic as well.
8682 * predicates.md (incdec_operand): Use TARGET_INCDEC
8683 (aligned_operand): Avoid memory mismatch stalls.
8684 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8685 * ppro.md: Enable for generic32
8686 * i386.c (generic64_cost, generic32_cost): New.
8687 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8688 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8689 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8690 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8691 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8692 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8693 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8694 x86_accumulate_outgoing_args, x86_prologue_using_move,
8695 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8696 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8698 (x86_use_incdec, x86_pad_returns): New.
8699 (override_options): Add generic32 and generic64, translate "generic"
8700 to generic32/generic64 and "i686" to "generic32", refuse
8701 "generic32"/"generic64" as arch target.
8702 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8703 (ix86_reorg): Honor PAD_RETURNS.
8705 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8707 * tree-pretty-print.c (dump_generic_node): Handle
8708 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8709 * cgraph.c (cgraph_expand_queue): Rename from
8710 cgraph_analyze_queue. Update all users.
8711 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8712 cgraph_expand_queue.
8713 (cgraph_expand_all_functions): Likewise.
8714 (cgraph_finalize_pending_functions): Remove. Update callers.
8716 * tree.h (OMP_DIRECTIVE_P): Define.
8717 (OMP_PARALLEL_FN): Define.
8718 (OMP_PARALLEL_DATA_ARG): Define.
8719 (OMP_SECTIONS_SECTIONS): Define.
8720 * tree-pass.h (pass_expand_omp): Declare.
8721 * omp-low.c (struct omp_region): Declare.
8722 (struct omp_context): Remove fields 'parallel_type',
8723 'parallel_start_ix' and 'parallel_start_additional_args'.
8725 (struct omp_for_data): Rename from struct expand_omp_for_data.
8726 (omp_regions): New static variable.
8727 (root_omp_region): New static variable.
8728 (find_omp_clause): Make static.
8729 (is_in_combined_parallel_ctx): Remove.
8730 (is_combined_parallel): New.
8731 (extract_omp_for_data): Move earlier in the file.
8732 (workshare_safe_to_combine_p): New.
8733 (get_ws_args_for): New.
8734 (determine_parallel_type): Move earlier in the file.
8735 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8737 (omp_copy_decl): Likewise.
8738 (create_omp_child_function): Likewise.
8739 (lookup_omp_region): New.
8740 (dump_omp_region): New.
8741 (debug_omp_region): New.
8742 (debug_all_omp_regions): New.
8743 (new_omp_region): New.
8744 (scan_omp_parallel): If parallel_nesting_level > 1, the
8745 directive is nested within another parallel directive.
8746 Set OMP_PARALLEL_FN.
8747 (scan_omp_for): Do not try to handle combined parallel+for
8749 Remove FIXME comment.
8750 (scan_omp_nested): Remove.
8751 (scan_omp_1): Do not call scan_omp_nested when
8752 parallel_nesting_level is > 1.
8753 Do not change the DECL_CONTEXT of local variables found.
8754 (lookup_decl_in_outer_ctx): New.
8755 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8756 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8757 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8758 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8759 If CTX is nested, lookup VAR in the outer context when
8760 building copy assignment.
8761 (lower_send_clauses): Rename from expand_send_clauses.
8762 If CTX is nested, lookup VAR in the outer context when
8763 building copy assignments.
8764 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8765 If CTX is nested, lookup VAR in the outer context when
8766 building copy assignments.
8767 (expand_parallel_call): Rename from build_parallel_call.
8768 Handle combined parallel+workshare cases.
8769 Re-implement to emit code into the CFG.
8771 (expand_omp_parallel): Re-implement to emit code into the CFG.
8772 Call move_sese_region_to_fn to outline the sub-graph
8773 containing the parallel region.
8774 (expand_omp_for_1): Remove.
8775 (expand_omp_for_generic): Re-implement to emit code into the
8777 (expand_omp_for_static_nochunk): Likewise.
8778 (expand_omp_for_static_chunk): Likewise.
8779 (expand_omp_for): Likewise.
8780 (expand_omp_sections): Likewise.
8781 (remove_exit_barriers): New.
8782 (expand_omp_synch): New.
8784 (build_omp_regions_1): New.
8785 (build_omp_regions): New.
8786 (execute_expand_omp): New.
8787 (gate_expand_omp): New.
8788 (pass_expand_omp): Define.
8789 (lower_omp_sections): Rename from expand_omp_sections.
8790 Set OMP_SECTIONS_SECTIONS.
8791 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8792 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8793 (lower_omp_single): Rename from expand_omp_simple.
8794 (lower_omp_master): Rename from expand_omp_master.
8795 (lower_omp_ordered): Rename from expand_omp_ordered.
8796 (lower_omp_critical): Rename from expand_omp_critical.
8797 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8798 (lower_omp_for): Re-implement.
8799 (lower_omp_parallel): Re-implement.
8800 (lower_regimplify): Rename from expand_regimplify.
8801 (lower_omp_1): Rename from expand_omp_1.
8802 If there are syntax errors in the program, replace every
8803 OpenMP directive with NOP.
8804 Call lower_omp_* instead of expand_omp_*.
8805 (lower_omp): Rename from expand_omp.
8807 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8808 * tree-gimple.h (enum omp_parallel_type): Remove.
8809 (gimple_boolify): Declare extern.
8810 (find_omp_clause, determine_parallel_type): Remove.
8812 * gimple-low.c (lower_omp_directive): New.
8813 (lower_stmt): Call it.
8814 (record_vars_into): Move from ...
8815 (record_vars): ... here.
8816 Call record_vars_into with current_function_decl.
8818 * gimplify.c (struct gimplify_ctx): Remove fields
8819 combined_pre_p and combined_ctxp. Update users.
8820 (get_formal_tmp_var): Add documentation.
8821 (gimple_boolify): Make extern.
8822 (gimplify_expr_in_ctx): Remove. Update callers.
8823 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8824 will always be a BIND_EXPR.
8825 (gimplify_expr): Handle OMP_RETURN_EXPR.
8826 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8827 (OMP_PARALLEL): Add 3 operands.
8828 (OMP_SECTIONS): Add 1 operand.
8829 (OMP_RETURN_EXPR): Define.
8831 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8832 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8833 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8834 creating a circular free list.
8835 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8837 * tree-flow.h (move_sese_region_to_fn): Declare.
8838 (record_vars_into): Declare.
8839 * tree-cfg.c (make_omp_sections_edges): New.
8840 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8841 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8842 OMP_SECTIONS and OMP_SECTION.
8843 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8844 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8845 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8846 (gather_blocks_in_sese_region): New.
8847 (struct move_stmt_d): Declare.
8849 (move_block_to_fn): New.
8850 (move_sese_region_to_fn): New.
8852 * passes.c (init_optimization_passes): Schedule
8853 pass_expand_omp after pass_init_datastructures.
8855 * tree-ssa-operands.c (get_expr_operands): Handle
8856 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8857 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8859 2006-01-19 Jeff Law <law@redhat.com>
8861 * tree-vrp.c (extract_range_from_assert): Refine the result range
8862 if the variable referenced by the ASSERT_EXPR has a range and
8863 either the tentative result range or the previous range is a
8866 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8868 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8870 2006-01-19 Jan Hubicka <jh@suse.cz>
8872 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8874 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8876 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8877 (expand_compound_operation, expand_field_assignment): Fail if the
8878 bit lengths of an extract operation are out of range.
8879 (make_extraction): Compute wanted_inner_mode based on the position
8880 and length of the extraction. Make it extraction_mode for non-constant
8881 positions, and do not modify offset in that case. When generating a
8882 new MEM, use a mode that can hold the extraction while keeping correct
8883 alignment. Remove code that supported MEMs wrapped by USEs.
8884 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8886 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8888 * config/s390/s390.md ("Y", "y"): New mode attribute.
8889 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8890 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8891 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8892 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8893 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8894 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8895 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8896 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8897 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8898 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8899 "addsi3", "subsi3"): Insn patterns removed.
8900 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8901 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8902 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8903 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8904 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8905 "*sub<mode>3_cconly2"): New insn patterns.
8906 ("addsi3", "subsi3"): New expanders.
8908 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8910 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8911 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8912 existing STMT_VINFO_VECTYPE if available.
8913 (vect_mark_relevant): Add special handling for stmts that are
8914 marked as STMT_VINFO_IN_PATTERN_P.
8915 (vect_analyze_loop): Call vect_pattern_recog.
8916 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8917 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8919 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8920 (vect_recog_func_ptr): New function-pointer type.
8921 * tree-vect-patterns.c: New file.
8922 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8923 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8924 (vect_pattern_recog_1): New functions.
8925 (vect_pattern_recog_funcs): New array of function pointers.
8927 * tree-vectorizer.h (ternary_op): New enum value.
8928 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8929 declaration. Revised documentation. Removed redundant dump prints.
8930 Removed redundant argument. Added support for reduction patterns.
8931 (vectorizable_reduction): Added support for reduction patterns.
8932 (vect_transform_stmt): Added support for patterns.
8934 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8935 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8936 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8937 (expand_widen_pattern_expr): New function.
8938 (init_optabs): Initialize new optabs udot_prod_optab,
8940 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8941 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8942 (expand_widen_pattern_expr): New function declaration.
8943 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8945 * tree-inline.c (estimate_num_insns_1): Added cases for new
8946 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8947 * tree-pretty-print.c (dump_generic_node): Likewise.
8948 (op_prio): Likewise.
8949 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8950 * tree-ssa-operands.c (get_expr_operands): Added case for
8952 * tree-vect-patterns.c (widened_name_p): New function.
8953 (vect_recog_dot_prod_pattern): Added function implementation.
8954 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8955 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8956 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8957 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8959 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8960 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8961 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8962 (init_optabs): Initialize new optabs widen_ssum_optab,
8964 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8965 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8966 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8967 use instead of type of def.
8968 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8969 function implementation.
8970 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8971 widen_ssumv8hi): New.
8973 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8976 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8979 * c-decl.c (add_flexible_array_elts_to_size): New function.
8980 (finish_decl): Use it.
8982 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8984 * diagnostic.h: Include options.h.
8985 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8986 dependancies for diagnostic.h.
8987 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8989 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8991 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8992 (ssa_ro_call_cache_valid): Ditto.
8993 * tree-ssa-alias.c (sort_tags_by_id): New function.
8994 (init_transitive_clobber_worklist): Ditto.
8995 (add_to_worklist): Ditto.
8996 (mark_aliases_call_clobbered): Ditto.
8997 (compute_tag_properties): Ditto.
8998 (set_initial_properties): Ditto.
8999 (compute_call_clobbered): Ditto.
9000 (compute_may_aliases): Call compute_call_clobbered and grouping.
9001 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9002 (compute_flow_insensitive_aliasing): Grouping now happens in our
9004 (setup_pointers_and_addressables): Remove clobbering related code.
9005 (add_may_alias): Ditto.
9006 (replace_may_alias): Ditto.
9007 (get_nmt_for): Ditto.
9008 (create_global_var):
9009 (is_escape_site): Return an escape_type enumeration.
9010 * tree-flow-inline.h (is_call_clobbered): Global var does not
9011 imply call clobbered.
9012 (mark_call_clobbered): Take a reason for marking this. Remove
9013 marking of globalness, and cache invalidation.
9014 (clear_call_clobbered): Remove cache invalidation code.
9015 * tree-dfa.c (dump_variable): If details is on, dump the reason
9017 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9019 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9020 (struct var_ann_d): Ditto.
9021 (enum escape_type): New.
9022 (mark_call_clobbered): Adjust prototype.
9023 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9024 are never call clobbered.
9025 Record reasons for escaping.
9026 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9027 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9028 (ssa_ro_call_cache_valid): Ditto.
9029 (clobbered_v_may_defs): Ditto.
9030 (clobbered_vuses): Ditto.
9031 (ro_call_vuses): Ditto.
9032 (clobber_stats): New.
9033 (init_ssa_operands): Zero out clobber stats.
9034 (fini_ssa_operands): Print out clobber stats.
9035 (get_call_expr_operands): Pass callee fndecl to
9037 (add_call_clobber_ops): Remove use of cache.
9038 Add use of PURE_CONST information.
9039 (add_call_read_ops): Remove use of cache.
9040 Add use of static not_read information.
9042 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9044 Introduce TLS descriptors for i386 and x86_64.
9045 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9046 (TARGET_ANY_GNU_TLS): New macro.
9047 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9048 (struct machine_function): Add tls_descriptor_call_expanded_p.
9049 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9050 (ix86_current_function_calls_tls_descriptor): Likewise.
9051 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9052 (override_options): Introduce gnu2 tls dialect.
9053 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9055 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9057 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9058 (ix86_init_machine_status): Initialize new field.
9059 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9060 (ix86_tls_module_base): New.
9061 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9062 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9063 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9064 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9065 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9066 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9067 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9068 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9069 * config/i386/predicates.md (tls_modbase_operand): New.
9070 (tp_or_register_operand): New.
9072 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9074 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9075 (look_for_address_of): Ditto.
9076 (ipa_init): Walk the function decls.
9077 (static_execute): Don't set readonly on FUNCTION_DECL's.
9079 2006-01-18 Roger Sayle <roger@eyesopen.com>
9081 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9082 for shifts where the source and destination registers are different.
9084 2006-01-18 Paul Brook <paul@codesourcery.com>
9086 Merge from csl-arm-branch.
9087 2005-03-14 Julian Brown <julian@codesourcery.com>
9088 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9089 (aeabi_llsl): Likewise.
9090 (ashrdi3): Likewise.
9091 (aeabi_lasr): Likewise.
9092 (lshrdi3): Likewise.
9093 (aeabi_llsr): Likewise.
9094 2005-03-10 Julian Brown <julian@codesourcery.com>
9095 * config.gcc: Disable shared libgcc for SymbianOS.
9096 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9098 2006-01-18 DJ Delorie <dj@redhat.com>
9100 * c-pragma.c (handle_pragma_diagnostic): New.
9101 (init_pragma): Register it.
9102 * doc/extend.texi: Document it.
9104 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9105 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9106 (diagnostic_context): Add classify_diagnostic[].
9107 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9108 as errors if they're overridden to DK_WARNING.
9109 (diagnostic_initialize): Initialize classify_diagnostic[].
9110 (diagnostic_set_kind_override): New.
9111 (diagnostic_report_diagnostic): Check for kind changes.
9112 * opts.c (common_handle_option): Take lang_mask. Update callers.
9114 * common.opt (Werror=): New.
9115 * doc/invoke.texi: Document -Werror=*
9117 2006-01-18 Jeff Law <law@redhat.com>
9119 * tree-vrp.c (test_for_singularity): Correct test for new
9120 min limit. Use operand_equal_p rather than pointer equality
9121 for testing if new min/max values are equal.
9123 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9124 using range information until after propagation and folding.
9126 2006-01-18 Richard Henderson <rth@redhat.com>
9127 Aldy Hernandez <aldyh@redhat.com>
9128 Jakub Jelinek <jakub@redhat.com>
9129 Diego Novillo <dnovillo@redhat.com>
9131 * omp-low.c: New file.
9132 * c-omp.c: New file.
9134 2006-01-18 Richard Henderson <rth@redhat.com>
9135 Jakub Jelinek <jakub@redhat.com>
9136 Diego Novillo <dnovillo@redhat.com>
9138 * doc/invoke.texi: Document -fopenmp.
9139 * tree-dump.h (debug_function): Declare.
9140 * hooks.c (hook_bool_tree_bool_false): New function.
9141 (hook_tree_tree_null): Remove.
9142 (hook_tree_tree_tree_null): New.
9143 * hooks.h: Update to match.
9144 * tree-pretty-print.c (debug_tree_chain): New.
9145 (print_generic_expr): Handle TDF_CHAIN.
9146 (dump_generic_node): Handle BLOCK.
9147 Do not abort with incomplete SWITCH_EXPRs.
9148 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9149 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9150 print space after directive name.
9151 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9152 Handle OMP_MASTER and OMP_ORDERED.
9153 Handle printing of OMP_BODY just in one place, goto
9154 dump_omp_body in the rest of OMP_* nodes that have
9156 Don't handle clause nodes here. Update omp statements to
9157 use dump_omp_clauses.
9158 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9159 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9160 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9161 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9162 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9163 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9164 Adjust output for GOMP_PARALLEL.
9165 (dump_omp_clauses): New.
9166 (print_declaration): Dump DECL_VALUE_EXPR.
9167 (op_symbol_1): Split out of op_symbol.
9168 (dumping_stmts): Remove. Update all users.
9169 * cgraph.c (cgraph_analyze_queue): New.
9170 (cgraph_add_new_function): New.
9171 * cgraph.h (cgraph_analyze_queue): Declare.
9172 (cgraph_add_new_function): Declare.
9173 (cgraph_lower_function): Remove.
9174 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9175 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9176 and TYPE_P nodes in its default clause.
9177 (empty_body_p): New.
9178 (tree_range_check_failed): New.
9180 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9181 OMP_CLAUSE_REDUCTION_MERGE,
9182 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9183 OMP_CLAUSE_PRIVATE_DEBUG,
9184 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9185 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9186 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9187 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9188 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9189 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9190 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9191 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9192 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9193 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9194 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9195 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9196 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9197 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9198 (TREE_RANGE_CHECK): New.
9199 (empty_body_p): Declare.
9200 (enum omp_clause_default_kind): New.
9201 (build_string_literal): Declare.
9202 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9203 (build5_stat, build5): Declare.
9204 * tree-pass.h (TDF_CHAIN): Define.
9205 * tree-pass.h (PROP_gimple_lomp): Define.
9206 (pass_lower_omp): Declare.
9207 * diagnostic.h (debug_tree_chain): Declare.
9208 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9210 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9211 * builtins.c (build_string_literal): Make extern.
9212 * gcc.c (include_spec_function): New.
9213 (static_spec_functions): Add it.
9214 (main): Move load of libgomp.spec ...
9215 (LINK_COMMAND_SPEC): ... here.
9216 (link_gomp_spec): New.
9217 (static_specs): Include it.
9218 (LINK_COMMAND_SPEC): Add link_gomp.
9219 (GOMP_SELF_SPECS): New.
9220 (driver_self_specs): Include it.
9221 (switch_matches): Don't mark inline.
9222 (main): Load libgomp.spec.
9223 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9224 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9225 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9226 * tree-gimple.h (enum omp_parallel): Declare.
9227 (determine_parallel_type): Declare.
9228 (omp_firstprivatize_variable): Declare.
9229 (omp_reduction_init): Declare.
9230 (diagnose_omp_structured_block_errors): Declare.
9231 (struct walk_stmt_info): Add want_return_expr.
9232 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9233 (find_omp_clause): Declare.
9234 (insert_field_into_struct): Declare.
9235 (struct walk_stmt_info): Move from tree-nested.c
9236 (walk_stmts): Declare.
9237 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9239 * cgraphunit.c (cgraph_lower_function): Make static.
9240 (cgraph_finalize_pending_functions): New.
9241 (cgraph_finalize_function): Call it.
9242 (cgraph_finalize_compilation_unit): Likewise.
9243 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9244 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9245 (BT_FN_UINT_UINT): New.
9246 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9247 DEF_FUNCTION_TYPE_VAR_4): Document.
9248 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9249 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9250 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9251 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9252 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9253 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9254 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9255 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9256 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9257 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9258 into separate files.
9259 (DEF_GOMP_BUILTIN): New.
9260 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9261 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9262 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9263 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9264 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9265 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9266 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9267 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9268 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9269 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9270 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9271 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9272 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9273 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9274 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9275 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9276 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9277 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9278 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9279 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9280 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9281 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9282 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9283 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9284 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9285 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9286 * sync-builtins.def: New file, moved from builtins.def.
9287 * omp-builtins.def: New file, moved from builtins.def.
9288 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9289 * gimple-low.c (lower_function_body): Clear data.
9290 (lower_stmt): Do not handle COMPOUND_EXPR.
9291 Remove call to print_node_brief.
9292 * c-tree.h (c_finish_omp_clauses): New prototype.
9293 (C_DECL_THREADPRIVATE_P): Define.
9294 (lookup_name_no_remap, c_omp_remap_private): Remove
9295 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9296 (check_for_loop_decls): Update decl.
9297 (lookup_name_no_remap, c_omp_remap_private): Declare.
9298 (build_indirect_ref, build_modify_expr, pushdecl,
9299 pushdecl_top_level): Move to c-common.h.
9300 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9301 before the switch, but just in the 2 places that need it.
9302 * c-decl.c (diagnose_mismatched_decls): Do not check for
9303 mismatched thread-local attributes when OLDDECL is marked
9304 threadprivate and NEWDECL has no thread-local attributes.
9305 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9306 (c_gimple_diagnostics_recursively): Rename from
9307 c_warn_unused_result_recursively. Invoke
9308 diagnose_omp_structured_block_errors.
9309 (check_for_loop_decls): Return a singular decl found.
9310 * langhooks.c (lhd_omp_predetermined_sharing): Return
9311 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9312 (lhd_omp_firstprivatize_type_sizes): New.
9313 (lhd_omp_assignment): New.
9314 (lhd_omp_predetermined_sharing): New.
9315 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9316 (struct lang_hooks_for_types): Add
9317 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9318 omp_predetermined_sharing, omp_disregard_value_expr,
9319 omp_private_debug_clause, omp_clause_default_ctor,
9320 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9321 (c_finish_omp_clauses): New.
9322 (c_finish_bc_stmt): Diagnose break within omp for.
9323 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9324 (build_unary_op): Return error_mark after reporting
9326 (build_modify_expr): Likewise.
9327 * gimplify.c: Include optabs.h and pointer-set.h.
9328 (enum gimplify_omp_var_data): Declare.
9329 (struct gimplify_omp_ctx): Declare.
9330 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9332 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9333 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9334 (splay_tree_compare_decl_uid): New.
9335 (new_omp_context): New.
9336 (delete_omp_context): New.
9337 (gimple_add_tmp_var): Call omp_add_variable.
9338 (gimplify_bind_expr): Likewise.
9339 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9340 true, disregard DECL_VALUE_EXPR on the decl if any.
9341 (gimplify_expr_in_ctx): New.
9342 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9343 omp_add_variable, omp_notice_variable, omp_is_private
9344 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9345 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9346 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9347 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9348 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9349 gimplify_omp_atomic): New.
9350 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9351 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9352 OMP_CRITICAL and OMP_ATOMIC.
9353 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9354 * c-pragma.h (enum pragma_kind): Add
9355 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9356 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9357 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9358 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9359 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9360 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9361 PRAGMA_OMP_THREADPRIVATE.
9362 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9363 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9364 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9365 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9366 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9367 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9368 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9369 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9370 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9371 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9372 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9373 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9374 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9376 (struct nesting_info): Add field_map,
9377 suppress_expansion, debug_var_chain.
9378 (create_nesting_tree): Initialize them.
9379 (lookup_field_for_decl): Use field_map.
9380 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9381 (convert_local_omp_clauses): New.
9382 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9383 (walk_body): Split out of walk_function.
9384 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9385 (convert_nonlocal_reference): Handle omp statements.
9386 (convert_local_reference): Likewise.
9387 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9388 (unnest_nesting_tree): New.
9389 (lower_nested_functions): Call it.
9390 (insert_field_into_struct): Make extern.
9391 (struct walk_stmt_info): Move to tree-gimple.h.
9392 (walk_stmts): Make extern.
9393 * omp-builtins.def: New file.
9394 * tree-iterator.c (expr_only): Clarify comment.
9395 * c-common.h (pushdecl_top_level, pushdecl,
9396 build_modify_expr, build_indirect_ref,
9397 c_finish_omp_master, c_finish_omp_critical,
9398 c_finish_omp_ordered, c_finish_omp_barrier,
9399 c_finish_omp_atomic, c_finish_omp_flush,
9400 c_finish_omp_for, c_split_parallel_clauses,
9401 omp_clause_default_kind, c_omp_sharing_predetermined,
9402 c_omp_remap_decl): Declare.
9403 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9404 (OBJS-common): Add omp-low.o.
9405 (c-omp.o, omp-low.o): Add.
9406 (gimplify.o): Add dependency on $(OPTABS_H).
9407 (GTFILES): Add omp-low.c.
9408 (gt-stringpool.h): Add.
9409 * tree-cfg.c (set_bb_for_stmt): Do not update the
9410 block-to-labels map if we are currently expanding to RTL.
9411 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9413 Handle IDENTIFIER_NODE.
9414 (tree_verify_flow_info): Do not ICE when emitting error
9415 messages about invalid labels.
9416 (dump_function_to_file): Reset CFUN before emitting the body
9418 (debug_function): New.
9419 * passes.c (init_optimization_passes): Schedule
9421 * langhooks-def.h (lhd_omp_predetermined_sharing,
9422 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9424 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9425 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9426 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9427 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9428 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9429 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9430 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9431 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9432 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9433 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9434 (LANG_HOOK_DECLS): Use them.
9436 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9437 Richard Henderson <rth@redhat.com>
9438 Jakub Jelinek <jakub@redhat.com>
9439 Diego Novillo <dnovillo@redhat.com>
9441 * c-parser.c (pragma_omp_clause): Define.
9442 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9443 (c_parser_compound_statement): Likewise.
9444 (c_parser_statement): Likewise.
9445 (c_parser_pragma): Handle omp pragmas.
9446 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9447 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9448 (c_parser_omp_clause_name, check_no_duplicate_clause,
9449 c_parser_omp_variable_list,
9450 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9451 c_parser_omp_clause_copyprivate,
9452 c_parser_omp_clause_default,
9453 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9454 c_parser_omp_clause_lastprivate,
9455 c_parser_omp_clause_nowait,
9456 c_parser_omp_clause_num_threads,
9457 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9458 c_parser_omp_clause_reduction,
9459 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9460 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9461 c_parser_omp_atomic, c_parser_omp_barrier,
9462 c_parser_omp_critical, c_parser_omp_flush,
9463 c_parser_omp_for_loop, c_parser_omp_for,
9464 c_parser_omp_master, c_parser_omp_ordered,
9465 c_parser_omp_sections_scope, c_parser_omp_sections,
9466 c_parser_omp_parallel, c_parser_omp_single,
9467 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9468 * c-pragma.c (init_pragma): Do omp pragma registration here.
9469 * c.opt (fopenmp): New flag.
9471 2006-01-18 Eric Christopher <echristo@apple.com>
9473 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9474 * config/darwin.h (GOMP_SELF_SPECS): Define.
9476 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9478 * rtl.h: Remove the prototype for reg_alloc.
9480 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9483 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9484 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9485 sjlj and dwarf2 exception handling.
9486 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9487 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9488 * pa/pa.c (function_value): Treat complex and vector types as
9490 (function_arg): Likewise. Only pass scalar floats in the floating
9491 point argument registers.
9492 * pa/t-slibgcc-dwarf-ver: New file.
9493 * pa/t-slibgcc-sjlj-ver: New file.
9494 * pa/t-slibgcc-elf-ver: Delete file.
9496 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9498 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9499 unlikely_test_section_p test.
9501 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9503 * mode-switching.c (optimize_mode_switching): Make it static.
9504 * basic-block.h: Remove the prototype for
9505 optimize_mode_switching.
9507 * modulo-sched.c (sms_schedule): Make it static.
9508 * rtl.h: Remove the prototype for sms_schedule.
9510 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9511 * rtl.h: Remove the prototype for gcse_after_reload_main.
9513 * reg-stack.c (reg_to_stack): Make it static.
9514 * rtl.h: Remove the prototype for reg_to_stack.
9516 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9518 * rtl.h: Remove the prototypes for regrename_optimize and
9519 copyprop_hardreg_forward.
9521 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9523 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9524 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9525 Test against the appropriate null constant for the mode.
9526 If 'fixup_overlap' is true, swap the operands if they overlap.
9527 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9528 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9529 alpha_split_tmode_pair and adjust for above change.
9530 * config/alpha/alpha.md (movtf_internal): Adjust call to
9531 alpha_split_tfmode_pair and rely on it to swap the operands.
9532 (movti_internal): New insn and post-reload splitter.
9533 (movti): New expander.
9535 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9537 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9540 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9542 * rtlanal.c (global_reg_mentioned_p_1,
9543 global_reg_mentioned_p): Remove.
9544 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9546 * flow.c (initialize_uninitialized_subregs): Make it static.
9547 * rtl.h: Remove the prototype for
9548 initialize_uninitialized_subregs.
9550 * function.c (instantiate_virtual_regs): Make it static.
9551 * function.h: Remove the prototype for
9552 instantiate_virtual_regs.
9554 * regmove.c (regmove_optimize, combine_stack_adjustments):
9556 * rtl.h: Remove the prototypes for regmove_optimize and
9557 combine_stack_adjustments.
9559 2006-01-17 Roger Sayle <roger@eyesopen.com>
9561 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9562 (size_cost): Encode costs in bytes so that a reg-reg addition is
9563 equivalent to COSTS_N_INSNS(1).
9564 (override_options): Use the size_cost.branch_cost as the default
9565 ix86_branch_cost when optimizing for size.
9567 2006-01-18 Ben Elliston <bje@au.ibm.com>
9569 * Makefile.in (D32PBIT_FUNCS): New.
9570 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9571 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9572 D64PBIT_FUNCS and D128PBIT_FUNCS.
9573 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9574 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9576 (decnumber_dep): Define.
9577 * doc/libgcc.texi (Decimal float library routines): New node.
9578 * config/dfp-bit.h, config/dfp-bit.c: New files.
9580 2006-01-18 Ben Elliston <bje@au.ibm.com>
9582 * expr.c (emit_move_change_mode): Always adjust addresses, not
9583 just during reload. Copy replacements only during reload.
9584 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9585 emit_move_via_integer.
9587 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9589 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9590 instead of $(srcdir) and ${srcdir}.
9592 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9596 * arm.h (struct machine_function): Add pic_reg.
9597 * arm.c (arm_pic_register): Make unsigned.
9598 (arm_override_options): Only set arm_pic_register if
9599 TARGET_SINGLE_PIC_BASE.
9600 (use_return_insn): Only test for a pic register if it is fixed.
9601 (arm_compute_save_reg0_reg12_mask): Likewise.
9602 (thumb_compute_save_reg_mask): Likewise.
9603 (legitimate_pic_operand): Factor out some known invariants.
9604 (legitimize_pic_address): If we don't have a fixed pic register,
9605 then set up a pseudo in the function entry sequence. Handle the
9606 pic base being in a pseudo.
9607 (arm_load_pic_register): Handle the pic register being in a pseudo.
9608 (arm_expand_prologue): Only set up the pic register if it is fixed.
9609 (thumb_expand_prologue): Likewise.
9610 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9611 (pic_load_addr_based_insn): Likewise.
9612 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9615 2006-01-18 Ben Elliston <bje@au.ibm.com>
9617 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9618 decimal float modes for all floating point registers.
9620 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9621 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9623 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9626 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9627 even when the pointer is not NULL.
9629 2006-01-16 Ian Lance Taylor <ian@airs.com>
9631 * common.opt (ftoplevel-reorder): New option.
9632 * cgraph.c (cgraph_asm_nodes): New global variable.
9633 (cgraph_asm_last_node): New static variable.
9634 (cgraph_order): New global variable.
9635 (cgraph_create_node): Set new order field.
9636 (cgraph_varpool_node): Likewise.
9637 (decide_is_variable_needed): Return true if not
9638 flag_toplevel_reorder.
9639 (cgraph_add_asm_node): New function.
9640 * cgraph.h (struct cgraph_node): Add order field.
9641 (struct cgraph_varpool_node): Add order field.
9642 (struct cgraph_asm_node): Define.
9643 (cgraph_asm_nodes, cgraph_order): Declare.
9644 (cgraph_add_asm_node): Declare.
9645 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9647 (cgraph_varpool_assemble_pending_decls): Call it.
9648 (cgraph_output_pending_asms): New static function.
9649 (cgraph_finalize_compilation_unit): Call it.
9650 (struct cgraph_order_sort): Define.
9651 (cgraph_output_in_order): New static function.
9652 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9653 !flag_toplevel_reorder case.
9654 * c-parser.c: Include "cgraph.h".
9655 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9657 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9658 than -fno-unit-at-a-time.
9659 * doc/invoke.texi (Option Summary): Mention
9660 -fno-toplevel-reorder.
9661 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9662 -funit-at-a-time documentation.
9664 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9665 Kazu Hirata <kazu@codesourcery.com>
9667 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9669 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9671 * Makefile.in (FUNCTION_H): New. Use it instead of
9672 function.h throughout the file.
9673 * function.h: Include tree.h.
9675 2006-01-17 Ben Elliston <bje@au.ibm.com>
9677 * recog.c: Separate some functions with whitespace.
9679 2006-01-16 Richard Henderson <rth@redhat.com>
9681 Merge from gomp branch:
9682 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9683 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9684 and rename from struct inline_data. Rename callee* to dst*;
9685 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9686 transform_new_cfg, transform_return_to_modify, and
9687 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9689 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9690 (copy_decl_for_dup): Remove.
9691 * tree-inline.c (struct inline_data): Move to header.
9692 (insert_decl_map): Export.
9693 (remap_decl): Update for member name changes. Use copy_decl hook.
9694 Allow for replacement to be a non-decl. Remove dead code.
9695 (remap_type_1): Check for existing mapping.
9696 (remap_type): Export.
9697 (remap_decls): Update for member name changes.
9698 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9699 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9700 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9701 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9702 (tree_function_versioning, build_duplicate_type): Likewise.
9703 (copy_body_r): Likewise. Export.
9704 (copy_decl_for_dup): Split into ...
9705 (copy_decl_for_dup_finish, copy_decl_to_var,
9706 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9707 (replace_ref_tree, inlining_p): Remove.
9709 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9711 * ifcvt.c (if_convert): Make it static.
9712 * rtl.h: Remove the prototype for if_convert.
9714 * local-alloc.c (local_alloc): Make it static.
9715 * rtl.h: Remove the prototype for local_alloc.
9717 * loop.c (loop_optimize): Make it static.
9718 * cfgloop.h: Remove the prototype for loop_optimize.
9721 2006-01-16 DJ Delorie <dj@redhat.com>
9723 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9726 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9728 * pa.md: Disparage copies between general and floating-point registers
9729 in 32-bit move patterns.
9731 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9734 * Makefile.in (check-%): Depend on site.exp instead of
9735 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9738 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9740 * global.c (global_alloc): Make it static.
9741 * rtl.h: Remove the prototype for global_alloc.
9743 2006-01-16 Richard Guenther <rguenther@suse.de>
9745 * tree-ssa-alias.c (struct used_part): Add write_only field.
9746 (get_or_create_used_part_for): Initialize it to true.
9747 (create_overlap_variables_for): Don't create structure variables
9748 for structures that only are written to.
9749 (find_used_portions): Handle MODIFY_EXPR to track whether a
9750 structure is only written to.
9752 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9754 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9756 * basic-block.h: Remove the prototype for
9757 partition_hot_cold_basic_blocks.
9759 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9761 * cppspec.c (lang_specific_spec_functions): Remove.
9762 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9763 * gcc.h (lang_specific_spec_functions): Remove.
9764 * gccspec.c (lang_specific_spec_functions): Remove.
9766 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9768 * combine.c (record_value_for_reg): Invalidate registers
9770 (record_dead_and_set_regs_1): Likewise, by passing them to
9771 record_value_for_reg.
9772 (record_dead_and_set_regs): Invalidate stores made by a
9773 call. We do not combine across a call, but we still
9774 relied on equivalences.
9776 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9778 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9779 vrp_int_const_binop returning non-constant nodes.
9781 2006-01-16 Paul Brook <paul@codesourcery.com>
9783 * config/m68k/m68k.c (output_move_const_into_data_reg):
9784 Output correct mnemonic for mvz and mvs.
9786 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9788 * rtl-factoring.c: Add sequence abstraction algorithm.
9789 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9790 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9792 (block_has_preserve_label): New function.
9793 * common.opt: Register new pass.
9794 * Makefile.in: Ditto.
9796 * timevar.def: Ditto.
9797 * tree-pass.h: Ditto.
9798 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9799 * rtl.h (make_jump_insn_raw): Add forward decl.
9800 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9802 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9803 Roger Sayle <roger@eyesopen.com>
9805 * fold-const.c (fold_minmax): New static function.
9806 (fold_binary) <MIN_EXPR>: Call it.
9807 <MAX_EXPR>: Likewise.
9808 * stor-layout.c (place_field): Use DECL_SIZE consistently
9809 in the computation of the new record size.
9811 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9813 * cse.c (cse_condition_code_reg): Make it static.
9814 * rtl.h: Remove the prototype for cse_condition_code_reg.
9816 * combine.c (combine_instructions): Make it static.
9817 * rtl.h: Remove the prototype for combine_instructions.
9819 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9822 * tree.c (get_file_function_name_long): Concatenate the first global
9823 object name with a string derived from the input filename of the object
9826 2006-01-16 Ben Elliston <bje@au.ibm.com>
9828 * config/i386/winnt-stubs.c: Update FSF address.
9829 * config/xtensa/ieee754-df.S: Ditto.
9830 * config/xtensa/ieee754-sf.S: Ditto.
9832 2006-01-14 Ian Lance Taylor <ian@airs.com>
9834 * ifcvt.c (noce_init_if_info): New static function, broken out of
9835 noce_process_if_block.
9836 (noce_process_if_block): Call noce_init_if_info.
9837 (check_cond_move_block): New static function.
9838 (cond_move_process_if_block): New static function.
9839 (process_if_block): Call cond_move_process_if_block.
9841 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9843 * cselib.c (hash_table): Rename to cselib_hash_table.
9844 (cselib_clear_table, discard_useless_values,
9845 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9846 cselib_init, cselib_finish): Adjust uses of hash_table.
9848 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9850 PR tree-optimization/25485
9851 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9852 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9853 is known to be false and true, respectively.
9855 2006-01-14 Richard Guenther <rguenther@suse.de>
9857 PR tree-optimization/22548
9858 PR tree-optimization/22555
9859 PR tree-optimization/22501
9860 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9861 * params.def (salias-max-array-elements): New parameter.
9862 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9863 * doc/invoke.texi (salias-max-array-elements): Document.
9864 * tree-flow-inline.h (var_can_have_subvars): We also handle
9866 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9868 * tree-ssa-structalias.c (params.h): Include.
9869 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9870 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9871 (get_constraint_for): For ADDR_EXPR operating on something
9872 containing an ARRAY_REF, add all subvars to the solution.
9873 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9874 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9875 for creating MUST_DEFs.
9876 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9878 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9880 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9882 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9883 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9884 number_of_iterations_le): New functions.
9885 (number_of_iterations_special): Removed.
9886 (number_of_iterations_exit): Do not use number_of_iterations_special.
9887 * tree.c (unsigned_type_for): Always return integer type.
9889 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9890 Richard Guenther <rguenther@suse.de>
9892 PR rtl-optimization/24257
9893 * gcse.c (find_moveable_store): Only consider a store movable
9894 when the SET_SRC of the insn can be assigned to a register.
9896 2006-01-14 Ian Lance Taylor <ian@airs.com>
9898 * tree.c (tree_not_class_check_failed): New function.
9899 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9900 (tree_not_class_check_failed): Declare.
9902 2006-01-13 Ian Lance Taylor <ian@airs.com>
9904 * reload1.c (do_output_reload): Add assertion rejecting a
9907 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9909 * combine.c (struct reg_stat): Add new fields truncation_label and
9911 (record_value_for_reg): Reset truncated_to_mode.
9912 (record_truncated_value): New function.
9913 (check_promoted_subreg): Call it. Rename to check_conversions.
9914 (combine_instructions): Rename check_promoted_subreg to
9916 (reg_truncated_to_mode): New function.
9917 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9918 (gen_lowpart_or_truncate): New function.
9919 (force_to_mode): Use it instead of gen_lowpart.
9921 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9923 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9924 VAR is a tag, not its type tag.
9926 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9928 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9929 alternatives to match style of other entries.
9930 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9932 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9934 PR tree-optimization/25771
9935 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9938 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9941 * tree-inline.c (declare_return_variable): If the return variable
9942 was marked as a non gimple complex, set the return slot variable
9943 to be a non gimple comple variable.
9945 2006-01-13 Richard Guenther <rguenther@suse.de>
9947 * builtins.c (expand_builtin_sincos): New function.
9948 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9950 (expand_builtin): Expand sincos using expand_builtin_sincos.
9952 2006-01-12 DJ Delorie <dj@redhat.com>
9954 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9955 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9956 so that constant shifts can be split.
9957 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9958 (m32c_valid_pointer_mode): Make static.
9959 (shift_gen_func_for): New.
9960 (m32c_prepare_shift): Use it. Split large const shifts into
9962 * config/m32c/predicates.md (shiftcount_operand): Allow more
9964 (longshiftcount_operand): New.
9965 * doc/md.texi (Machine Constraints): Document In6.
9967 2006-01-13 Ben Elliston <bje@au.ibm.com>
9969 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9970 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9973 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9975 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9976 to try to avoid clobbering pieces of structures when we know
9977 something about the whole structure.
9978 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9980 2006-01-13 Ben Elliston <bje@au.ibm.com>
9982 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9983 return in memory, as this is no limitation is no longer present.
9985 2006-01-12 DJ Delorie <dj@redhat.com>
9987 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9988 mova with fb, and for fb+0 -> An.
9990 * config/m32c/mov.md (peephole2): Fix enabling logic.
9992 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9993 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9994 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9995 FINI_ARRAY_SECTION_ASM_OP): Define.
9997 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9999 (m32c_legitimize_reload_address): New logic to reload FB to An.
10000 (m32c_output_reg_push): Add newline.
10001 (m32c_output_reg_pop): Likewise.
10003 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10005 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10007 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10009 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10011 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10013 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10016 2006-01-11 Ben Elliston <bje@au.ibm.com>
10018 * rtlanal.c (find_reg_note): Assert insn is not null.
10020 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10022 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10025 2006-01-11 Jeff Law <law@redhat.com>
10027 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10029 (mark_threaded_blocks, register_jump_thread): New functions.
10030 (thread_through_all_blocks): Remove unwanted argument. No
10031 longer rely on e->aux to communicate thread target info.
10032 Call mark_threaded_blocks. Release the threaded_blocks
10033 bitmap and threaded_edges vector when complete.
10034 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10035 (threaded_blocks): Remove.
10036 (tree_ssa_dominator_optimize): Remove initialization and
10037 finalization of threaded_blocks. Simplify call to
10038 thread_through_all_blocks.
10039 (thread_across_edge): Call register_jump_thread rather than
10040 storing thread information into e->aux.
10041 (free_all_edge_infos): Simplify now that e->aux is no longer
10042 used to communicate with thread_through_all_blocks.
10043 * tree-flow.h (thread_through_all_blocks): Update prototype.
10044 (register_jump_thread): Prototype.
10046 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10048 * df-core.c (df_compact_blocks, df_bb_replace): Use
10049 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10051 2006-01-11 Richard Guenther <rguenther@suse.de>
10053 PR tree-optimization/25734
10054 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10055 stop propagation after successful propagation to the LHS.
10057 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10059 * basic-block.h (control_flow_graph): Change the type of
10060 x_basic_block_info to VEC(basic_block,gc) *.
10061 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10063 (SET_BASIC_BLOCK): New.
10064 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10065 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10066 * cfgbuild.c (find_basic_blocks): Likewise.
10067 * cfglayout.c (fixup_reorder_chain): Likewise.
10068 * cfgrtl.c (create_basic_block_structure,
10069 rtl_create_basic_block): Likewise.
10070 * ifcvt.c (find_if_case_1): Likewise.
10071 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10074 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10076 * Makefile.in: Removed rotted odf.c entry.
10078 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10081 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10082 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10083 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10084 output pattern modifier, not %e.
10085 * config/cris/cris.c (cris_op_str): Update comment about pattern
10087 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10088 before falling through into...
10089 <case 'E'>: Redefined from old 'e' case.
10091 2006-01-11 Jan Hubicka <jh@suse.cz>
10094 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10096 2006-01-11 Jan Hubicka <jh@suse.cz>
10098 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10099 * i386.c (x86_decompose_lea): Kill.
10100 (ix86_rtx_costs): Kill.
10102 2006-01-11 Jan Hubicka <jh@suse.cz>
10104 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10105 * cgraph.h (cgraph_node): Add inline_decl.
10106 (cgraph_insert_node_to_hashtable): Declare.
10107 (save_inline_function_body): Declare.
10108 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10110 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10111 (cgraph_function_versioning): Update call of tree_function_versioning.
10112 (save_inline_function_body): New function.
10113 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10114 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10115 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10116 (cgraph_default_inline_p): Likewise.
10117 (cgraph_decide_inlining_incrementally): Likewise.
10118 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10119 (copy_bb): Kill saving; do updating of clones.
10120 (copy_cfg_body): Kill saving.
10121 (initialize_inlined-parameters): Likewise.
10122 (expand_call_inline): Likewise.
10124 (tree_function_versioning): New parameter "update_clones".
10125 (inlining_p): Kill saving.
10126 * tree-inline.h (tree_function_versioning): Update prototype.
10127 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10130 2006-01-11 Ian Lance Taylor <ian@airs.com>
10132 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10133 Allow undoing set of machine mode.
10134 (do_SUBST): Use enums instead of is_int.
10135 (do_SUBST_MODE): New function.
10136 (SUBST_MODE): New macro.
10137 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10138 reg and trying to replace reg_regno_rtx with a new register.
10139 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10140 (simplify_set): Use SUBST_MODE.
10141 (distribute_notes): Remove code that tried to update reg notes
10142 for regno_reg_rtx changes.
10144 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10146 PR tree-optimization/23109
10147 PR tree-optimization/23948
10148 PR tree-optimization/24123
10150 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10151 * tree-cfg.c (single_noncomplex_succ): New.
10152 * tree-flow.h (single_noncomplex_succ): Declare it.
10153 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10154 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10155 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10156 insert_bb, register_division_in, insert_reciprocals,
10157 replace_reciprocal, free_bb): New.
10158 (execute_cse_reciprocals_1): Rewritten.
10159 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10160 Do not commit any edge insertion. Always compute dominators and
10161 create the allocation pool.
10162 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10163 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10164 * targhooks.c (default_min_divistions_for_recip_mul): New.
10165 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10166 * passes.c (init_optimization_passes): Run recip after tree loop
10168 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10170 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10171 Kenneth Zadeck <zadeck@naturalbridge.com>
10173 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10174 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10175 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10176 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10177 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10178 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10179 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10180 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10181 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10182 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10183 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10184 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10185 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10186 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10187 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10188 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10189 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10190 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10191 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10192 DF_SCAN_POST_ALLOC): New macros.
10193 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10194 df_free_bb_function, df_local_compute_function, df_init_function,
10195 df_dataflow_function, df_confluence_function_0,
10196 df_confluence_function_n, df_transfer_function,
10197 df_finalizer_function, df_free_function, df_dump_problem_function,
10198 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10199 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10200 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10201 df_urec_bb_info, ) New types.
10202 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10204 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10205 df_analyze_simple_change_some_blocks,
10206 df_analyze_simple_change_one_block, df_compact_blocks,
10207 df_bb_replace, df_bb_regno_last_use_find,
10208 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10209 df_insn_regno_def_p, df_find_def, df_find_use,
10210 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10211 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10212 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10213 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10214 debug_df_chain, df_get_dependent_problem, df_chain_create,
10215 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10216 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10217 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10218 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10219 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10220 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10221 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10222 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10223 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10224 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10225 df_reorganize_refs, df_set_state, df_hard_reg_init,
10226 df_read_modify_subreg_p) New public functions.
10227 * df-core.c: The core dataflow solver and glue routines for rtl
10229 (df_init, df_add_problem, df_set_blocks, df_finish,
10230 df_hybrid_search_forward, df_hybrid_search_backward,
10231 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10232 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10233 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10234 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10235 df_reg_defined, df_find_use, df_reg_used, df_dump,
10236 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10237 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10238 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10239 debug_df_useno, reset_df_after_reload): New functions.
10240 * df-scan.c: The scanning fuctions, once in df.c, completely
10241 rewritten so that they now fully model the functionality of
10242 register usage at the backend.
10243 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10244 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10245 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10246 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10247 df_get_artificial_defs, df_get_artificial_uses,
10248 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10249 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10250 df_refs_delete, df_reorganize_refs, df_set_state,
10251 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10252 df_def_record_1, df_defs_record, df_uses_record,
10253 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10254 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10255 df_record_exit_block_uses, df_hard_reg_init): New functions.
10257 * df-problems.c: Seven concrete dataflow problems that use the
10258 scanning in df-scan.c and are solved by the engine in df-core.c.
10259 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10260 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10261 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10262 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10263 df_ru_free_bb_info, df_ru_alloc,
10264 df_ru_bb_local_compute_process_def,
10265 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10266 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10267 df_ru_transfer_function, df_ru_free, df_ru_dump,
10268 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10269 df_rd_free_bb_info, df_rd_alloc,
10270 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10271 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10272 df_rd_transfer_function, df_rd_free, df_rd_dump,
10273 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10274 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10275 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10276 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10277 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10278 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10279 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10280 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10281 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10282 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10283 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10284 df_urec_mark_reg_use_for_earlyclobber,
10285 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10286 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10287 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10288 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10289 df_chain_create_bb_process_use, df_chain_create_bb,
10290 df_chain_finalize, df_chain_free, df_chains_dump,
10291 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10292 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10293 df_reg_lifetime): New functions.
10294 * df.c: Deleted file.
10295 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10296 consistent with new df api.
10297 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10298 rest_of_handle_sms): Ditto.
10299 * web.c (unionfind_union, union_defs, entry_register, web_main):
10301 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10302 invariant_expr_equal_p, find_defs, check_dependencies,
10303 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10304 free_inv_motion_data, move_loop_invariants): Ditto.
10305 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10306 Update dependencies.
10307 (odf.c): Added defective entry that was deleted later in day.
10308 * sched-deps.c (sched_analyze_1): Ditto.
10310 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10312 * tree-ssa-operands.c (get_expr_operands): Record addressable
10313 variables directly. Do not call add_stmt_operands for CONST_DECLs
10315 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10316 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10318 2006-01-11 Ben Elliston <bje@au.ibm.com>
10320 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10321 function returns true in the positive case.
10323 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10326 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10327 for SI, DI, SF and DF modes. Add alternatives to copy between
10328 general and floating point registers to the 32-bit patterns.
10329 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10330 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10331 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10332 generating 64-bit code.
10333 * config/pa/pa.c (output_move_double): Handle copies between general
10334 and floating registers.
10336 2006-01-10 Stuart Hastings <stuart@apple.com>
10338 * config/i386/i386.md (set_got): Update.
10339 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10340 (builtin_setjmp_receiver): Mach-O support.
10341 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10342 (GOT_SYMBOL_NAME): Define.
10343 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10344 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10345 * config/i386/i386.c (override_options): Revise for Darwin.
10346 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10347 support. (darwin_x86_file_end): New. (output_set_got): Add label
10348 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10349 * config/i386/i386-protos.h (output_set_got): Likewise.
10350 * config/darwin.c (machopic_legitimize_pic_address): Update
10353 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10355 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10356 when MODE isn't BLKmode.
10358 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10360 PR rtl-optimization/25367
10361 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10363 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10366 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10367 for a negative bound.
10369 2006-01-10 Richard Guenther <rguenther@suse.de>
10371 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10372 Never override with anything constraint.
10374 2006-01-10 Jan Beulich <jbeulich@novell.com>
10376 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10377 256 bits when optimize_size.
10379 2006-01-10 Jan Beulich <jbeulich@novell.com>
10381 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10383 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10384 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10387 2006-01-10 Ben Elliston <bje@au.ibm.com>
10389 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10391 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10392 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10393 (USE_FP_FOR_ARG): Reject decimal float modes.
10394 (function_arg_advance): Likewise.
10395 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10396 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10397 point types in AltiVec vectors.
10398 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10399 (rs6000_libcall_value): Likewise.
10401 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10403 * config/xtensa/ieee754-df.S: New file.
10404 * config/xtensa/ieee754-sf.S: New file.
10405 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10406 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10407 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10409 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10411 * config/sh/predicates.md (binary_float_operator,
10412 binary_logical_operator, commutative_float_operator,
10413 equality_comparison_operator, greater_comparison_operator,
10414 less_comparison_operator, logical_operator,
10415 noncommutative_float_operator, shift_operator,
10416 symbol_ref_operand, unary_float_operator): Remove redundant
10419 2006-01-09 Jeff Law <law@redhat.com>
10421 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10422 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10423 now unused arguments. Callers updated.
10424 (eliminate_redundant_computations): Remove now unused arguments,
10426 (local_fold): Remove, no longer used.
10427 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10429 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10430 (simplify_cond): New function.
10431 (forward_propagate_into_cond): Call simplify_cond.
10433 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10435 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10436 (*vec_extractv2di_1_sse): New.
10438 2006-01-09 Ben Elliston <bje@au.ibm.com>
10440 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10442 2006-01-08 Richard Guenther <rguenther@suse.de>
10444 * tree-ssa-structalias.c (get_constraint_for): Remove
10445 anyoffset argument.
10446 (get_constraint_for_component_ref): Likewise.
10447 (do_deref): Likewise.
10448 (get_constraint_for): Likewise.
10449 (do_structure_copy): Likewise.
10450 (handle_ptr_arith): Likewise.
10451 (find_func_aliases): Likewise. Remove unused need_anyoffset
10454 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10455 Kaz Kojima <kkojima@gcc.gnu.org>
10457 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10458 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10459 (EXTRA_CONSTRAINT_C16): Remove.
10460 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10461 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10462 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10463 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10464 constants of SHmedia. Handle nested constant expressions of
10466 (andcosts): Fix the costs for SHmedia constants.
10467 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10468 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10469 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10470 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10471 (movv4hi_i, movv2si_i): Likewise.
10472 (movsi_const): Adjust the second operand of ior so to match with
10473 the Csu constraint.
10474 (movdi_const, movdi_const_32bit): Likewise.
10475 (movdi_const_16bit+1): Don't sign-extend LOW.
10476 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10478 (*double_shori): Fix the split condition. Use GEN_INT instead
10479 of get_int_mode calls. Mask lower 16-bit of the argument of
10481 (sym2GOTPLT): Remove.
10482 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10484 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10485 instead of EXTRA_CONSTRAINT_C16.
10487 2006-01-07 Ian Lance Taylor <ian@airs.com>
10488 David Edelsohn <edelsohn@gnu.org>
10490 PR rtl-optimization/25662
10491 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10492 for constant operands instead of simplify_gen_binary.
10493 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10494 after trying simplify_binary_operation
10496 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10498 * tree.c (iterative_hash_expr): Hash decls based on UID.
10500 2006-01-06 Eric Christopher <echristo@apple.com>
10502 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10503 (TARGET_UNWIND_EMIT): Fix spelling.
10504 * target.h (gcc_target): Add except_table_label.
10505 * except.c (output_function_exception_table): Use.
10506 * varasm.c (default_emit_except_table_label): New.
10507 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10509 (asm_out): Add here.
10510 * output.h (default_emit_except_table_label): Prototype.
10511 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10512 * config/darwin.c (darwin_emit_except_table_label): Define.
10513 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10515 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10517 PR tree-optimization/18527
10518 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10519 number_of_iterations_special, number_of_iterations_exit):
10520 Move base and step of an iv to a single structure. Add
10521 no_overflow flag, and use it in # of iterations analysis.
10522 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10523 folded_casts argument.
10524 (simple_iv): Pass base and step in a structure. Set no_overflow
10526 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10527 Evaluate expensiveness of computing # of iterations instead of
10528 the final expression.
10529 * tree-scalar-evolution.h (affine_iv): New structure.
10530 (simple_iv): Declaration changed.
10531 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10532 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10533 find_givs_in_stmt): Changed due to simple_iv change.
10535 2006-01-06 Jeff Law <law@redhat.com>
10538 * tree-cfg.c (bsi_replace): Rename final argument from
10539 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10540 change (stmt -> orig_stmt).
10541 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10542 (bsi_remove): Add new argument. Remove EH information
10544 (verify_eh_throw_table_statements): New function.
10545 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10547 * tree-optimize.c (execute_free_cfg_annotations): Verify
10548 the EH throw statement table after removing annotations.
10549 * except.h (verify_eh_throw_table_statements): Prototype.
10550 * tree-flow.h (bsi_remove): Update prototype.
10551 * tree-vrp.c (remove_range_assertions): Add new argument to
10553 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10554 * tree-complex.c (expand_complex_div_wide): Likewise.
10555 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10556 * tree-tailcall.c (eliminate_tailcall): Likewise.
10557 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10558 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10559 * tree-nrv.c (tree_nrv): Likewise.
10560 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10561 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10562 (combine_blocks): Likewise.
10563 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10564 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10565 (cleanup_control_flow): Likewise.
10566 (remove_forwarder_block): Likewise.
10567 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10568 * tree-sra.c (sra_replace): Likewise.
10569 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10570 (forward_propagate_single_use_vars): Likewise.
10571 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10572 * tree-inline.c (expand_call_inline): Likewise.
10573 * tree-vect-transform.c (vect_transform_loop): Likewise.
10574 * tree-outof-ssa.c (rewrite_trees): Likewise.
10575 * tree-cfg.c (make_goto_expr_edges): Likewise.
10576 (cleanup_dead_labels): Likewise.
10577 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10578 (bsi_move_before, bsi_move_after): Likewise.
10579 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10580 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10582 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10585 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10587 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10588 on non gimple variables. Also add checks at the top for decls and
10590 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10592 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10593 and IMAGPART_EXPR for creating MUST_DEFs.
10594 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10595 and NAME_MEMORY_TAG separately from the DECLs.
10597 2006-01-06 Richard Guenther <rguenther@suse.de>
10599 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10600 annotation, if necessary.
10601 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10602 redundant calls to update_stmt.
10603 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10606 2006-01-05 Richard Henderson <rth@redhat.com>
10608 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10610 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10612 * c-typeck.c: Update copyright date.
10614 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10616 * c-typeck.c (build_c_cast): Always warn when casting
10617 from a pointer to an integer of different size, even if
10618 the node was constant.
10620 2006-01-05 Richard Guenther <rguenther@suse.de>
10622 PR tree-optimization/22555
10623 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10624 if one structure field is an array.
10625 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10626 operands even if we found a subvar, but ignore VOPs in this
10628 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10630 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10632 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10634 PR middle-end/24998
10635 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10637 2006-01-05 Richard Guenther <rguenther@suse.de>
10638 Diego Novillo <dnovillo@redhat.com>
10640 * tree-pass.h (TODO_remove_unused_locals): Define.
10641 * gimple-low.c (expand_var_p, remove_useless_vars,
10642 pass_remove_useless_vars): Remove. Update all users.
10643 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10644 (remove_unused_locals): New function.
10645 * tree-flow.h (remove_unused_locals): Declare.
10646 * passes.c (execute_todo): Call remove_unused_locals if
10647 TODO_remove_unused_locals is set.
10648 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10649 * tree-ssa-dce.c (pass_dce): Likewise.
10650 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10652 2006-01-05 Richard Guenther <rguenther@suse.de>
10654 * tree-flow.h (struct fieldoff): Decompose field to
10655 type, size and decl.
10656 * tree-ssa-alias.c (create_sft): Take type as parameter.
10657 (create_overlap_variables_for): Store type, size and decl
10658 in the fieldoff structure.
10659 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10660 of struct fieldoff.
10661 (push_fields_onto_fieldstack): Likewise.
10662 (create_variable_info_for): Likewise. Use offset for the
10663 SFT name if the decl is not available.
10665 2006-01-04 Paul Brook <paul@codesourcery.com>
10667 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10669 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10671 * lambda-code.c (can_put_in_inner_loop): Relax
10673 (can_put_after_inner_loop): New function.
10674 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10675 (perfect_nestify): Change to make copies and modify uses.
10677 2006-01-04 Richard Henderson <rth@redhat.com>
10679 Merge from gomp branch:
10680 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10681 via integer constant.
10682 (pragma_lex): Remove.
10683 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10684 rather than parsing it.
10685 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10686 handle_pragma_extern_prefix): Add %< %> quotes.
10687 (registered_pragmas): New.
10688 (c_register_pragma_1): New.
10689 (c_register_pragma): Use it.
10690 (c_register_pragma_with_expansion): Likewise.
10691 (c_invoke_pragma_handler): New.
10692 (init_pragma): Use cpp_register_deferred_pragma directly for
10694 * c-pragma.h (enum pragma_kind): New.
10695 (pragma_handler): New.
10696 (c_invoke_pragma_handler): Declare.
10697 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10699 * c-common.h (c_common_pch_pragma): Update decl.
10700 * Makefile.in (c-parser.o): Update dependencies.
10701 (GTFILES): Add c-pragma.h.
10702 * c-parser.c (struct c_token): Add pragma_kind.
10703 (struct c_parser): Add in_pragma.
10704 (c_lex_one_token): Always initialize keyword and pragma_kind.
10705 Extract data for CPP_PRAGMA.
10706 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10707 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10708 Don't allow CPP_PRAGMA_EOL if in_pragma.
10709 (c_parser_consume_pragma): New.
10710 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10711 (c_parser_skip_to_end_of_parameter): Likewise.
10712 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10713 (c_parser_skip_to_pragma_eol): New.
10714 (c_parser_external_declaration): Handle CPP_PRAGMA.
10715 (c_parser_compound_statement_nostart): Likewise.
10716 (c_parser_statement_after_labels): Likewise.
10717 (c_parser_pragma): New.
10718 (pragma_lex): Likewise.
10719 (c_parser_pragma_pch_preprocess): New.
10720 (c_parser_new): Merge into ...
10721 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10723 2006-01-04 Jeff Law <law@redhat.com>
10726 * tree-cfg.c (bsi_replace): Remove the original statement
10727 from the EH throw statement table.
10729 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10731 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10732 make the prototype extern "C" and add throw ().
10735 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10736 and pos non-negative and pos + len <= 32.
10737 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10738 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10739 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10742 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10743 as well as sizes not multiple of component size.
10746 * function.c (instantiate_expr): New function.
10747 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10748 walk its DECL_VALUE_EXPR with instantiate_expr.
10750 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10751 DW_OP_deref{,_size} if address isn't going to be added.
10753 2006-01-04 Ben Elliston <bje@au.ibm.com>
10755 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10756 * config/fp-bit.c: Likewise.
10758 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10760 * dominance.c: Add comment about why we use DFS numbering
10763 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10764 Richard Henderson <rth@redhat.com>
10766 Merge from gomp-branch:
10767 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10768 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10770 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10772 PR rtl-optimization/25578
10773 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10774 pass a parameter to simplify_shift_const if changing ASHIFTRT
10777 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10779 * builtins.c (get_builtin_sync_mem): New function.
10780 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10781 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10782 Call get_builtin_sync_mem to generate mem rtx.
10784 2006-01-03 Richard Guenther <rguenther@suse.de>
10787 * stmt.c (add_case_node): Make sure to clear overflow flags
10790 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10792 Merge from gomp-branch.
10793 * config/sparc/sync.md: New file.
10794 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10795 UNSPECV_LDSTUB): New constants.
10796 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10797 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10798 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10801 2006-01-03 Roger Sayle <roger@eyesopen.com>
10803 * combine.c (reg_subword_p): New predicate to test whether the
10804 destination of a set refers to a subword/piece of a register.
10805 (try_combine): Generalize the code to merge the setting of a
10806 pseudo to a constant followed by a set of a subword of that
10807 register to a constant.
10809 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10811 * basic-block.h (control_flow_graph): Change the type of
10812 x_label_to_block_map to VEC(basic_block,gc) *.
10813 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10814 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10816 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10817 VEC(basic_block,heap) *.
10818 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10819 ssa_prop_fini): Adjust the uses of cfg_blocks.
10821 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10823 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10825 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10826 hashing trees instead of a pointer hash.
10827 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10828 compare for MEM_EXPR.
10830 PR rtl-optimization/25130
10831 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10832 when comparing MEMs for GCSE
10834 2006-01-03 Ben Elliston <bje@au.ibm.com>
10836 * targhooks.h (default_decimal_float_supported_p): Declare.
10837 * targhooks.c (default_decimal_float_supported_p): Define.
10838 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10839 `default_decimal_float_supported_p'.
10840 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10842 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10844 * combine.c (apply_distributive_law <SUBREG>): Check
10845 TRULY_NOOP_TRUNCATION.
10847 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10849 * dwarf2out.c (have_switched_text_section): Delete.
10850 (have_multiple_function_sections): New.
10851 (have_location_lists): Make 'bool'.
10852 (add_AT_loc_list): Use 'true' not '1'.
10853 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10854 (output_loc_list): Use have_multiple_function_sections.
10855 (output_ranges): Likewise.
10856 (dwarf2out_begin_function): Set have_multiple_function_sections if
10858 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10859 Check function_section rather than DECL_SECTION_NAME.
10860 (dwarf2out_finish): Use have_multiple_function_sections.
10861 Don't clear have_location_lists.
10863 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10864 Jan Hubicka <jh@suse.cz>
10866 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10867 case of conditional jump jumping to the next instruction.
10868 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10869 cases of conditional jump jumping to the next instruction.
10871 2006-01-02 Jan Hubicka <jh@suse.cz>
10873 * i386.c (*_cost): Add COSTS_N_INSNS.
10874 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10876 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10879 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10881 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10883 * config/arm/arm.c (all_fpus): Fix comment typo.
10884 * config/darwin.c: Likewise.
10885 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10886 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10887 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10889 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10891 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10892 (rs6000_split_compare_and_swapqhi): New.
10893 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10894 (sync_compare_and_swapqhi_internal): New.
10895 * config/rs6000/rs6000-protos.h: Declare.