1 2006-05-15 Roger Sayle <roger@eyesopen.com>
4 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5 integer constants other than zero are only legitimate on TARGET_64BIT.
6 <CONST_VECTOR> Only zero vectors are legitimate.
7 (ix86_cannot_force_const_mem): Integral and vector constants can
8 always be put in the constant pool.
10 2006-05-16 DJ Delorie <dj@redhat.com>
12 * crtstuff.c (__dso_handle): Set section from
13 TARGET_LBIGCC_SDATA_SECTION if defined.
14 * doc/tm.text (TARGET_LIBGCC_SDATA_SECTION): Document.
15 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
17 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
20 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
23 2006-05-16 Ben Elliston <bje@au.ibm.com>
25 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
27 2006-05-15 Per Bothner <per@bothner.com>
29 * tree.c: (last_annotated_node): Use sources_locus typedef.
30 This permits bootstrapping with --enable-mapped-location.
32 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
34 PR tree-optimization/26830
35 * tree-into-ssa.c (struct ssa_name_info): Add age field.
36 (info_for_ssa_name, current_info_for_ssa_name_age,
37 blocks_to_update): New variables.
38 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
39 (clear_ssa_name_info, initialize_flags_in_bb,
40 mark_block_for_update): New functions.
41 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
42 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
43 prepare_def_site_for): Use mark_block_for_update.
44 (mark_def_interesting): Assert that the processed block is marked in
45 blocks_to_update. Do not take blocks argument.
46 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
48 (rewrite_update_init_block, rewrite_update_stmt): Only process
49 blocks with statements to rewrite.
50 (delete_update_ssa): Do not clear SSA_NAME_AUX.
51 (update_ssa): Initialize and free blocks_to_update. Do not
52 clear flags on statements. Do not use blocks bitmap.
53 * tree.h (SSA_NAME_AUX): Removed.
54 (struct tree_ssa_name): Removed aux field.
55 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
57 2006-05-15 Richard Guenther <rguenther@suse.de>
59 PR tree-optimization/27603
60 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
61 Do computations in original type.
63 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
65 * see.c: Code style changes such as redundant paranthesis,
66 redundant intialization of local variables etc.
67 (see_main): Declared now as static.
68 * doc/invoke.texi: Update that -fsee is not enabled by
71 2006-05-15 Jakub Jelinek <jakub@redhat.com>
73 * omp-low.c (check_omp_nesting_restrictions): New function.
74 (scan_omp_1): Call it.
77 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
78 construct, return *VAR.
80 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
82 PR rtl-optimization/27406
83 * bt-load.c (migrate_btr_def): Skip the block having abnormal
86 2006-05-14 Roger Sayle <roger@eyesopen.com>
88 PR rtl-optimization/27538
89 * combine.c (expand_compound_operation): Call gen_lowpart
90 before calling simplify_shift_const.
92 2006-05-14 Roger Sayle <roger@eyesopen.com>
94 PR rtl-optimization/22563
95 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
96 a fixed width bitfield, always force the intermediates into psuedos.
98 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
101 * mkconfig.sh: Use operator = instead of == for test.
103 2006-05-13 Nick Clifton <nickc@redhat.com>
105 * dwarf2out.c (dbx_reg_number): Check return value from
106 LEAF_REG_REMAP and only use it if it is valid.
107 (multiple_reg_loc_descriptor): Likewise.
109 2006-05-13 Richard Guenther <rguenther@suse.de>
111 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
114 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
116 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
117 information attached to non-INSNs such as NOTEs.
118 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
120 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
122 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
124 * config/s390/s390.md: Adjust comment describing On constraint.
126 2006-05-11 Jan Hubicka <jh@suse.cz>
128 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
131 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
134 * fold-const.c (size_binop): Move sanity check for arguments to
135 the beginning of the function.
138 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
141 2006-05-11 Richard Guenther <rguenther@suse.de>
144 * fold-const.c (fold_unary): Handle intermediate conversion
145 to a pointer type like intermediate conversion to an integer
146 type in folding of (T1)(T2)var to var.
147 Match the code to the comment in the final conversion for
148 (T1)(T2)var to (T1)var regarding to type precision. Rather
149 than disallow T1 being of pointer type, assert that both T1
150 and var are of pointer type or not. Make sure not to fall
151 over the frontends lazyness wrt array to pointer decay though.
153 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
155 * arm.c (arm_struct_value_rtx): Delete.
156 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
157 (arm_init_cumulative_args): Always initialize nregs to zero.
159 2006-05-10 Richard Guenther <rguenther@suse.de>
161 PR tree-optimization/27532
162 * tree-object-size.c (plus_expr_object_size): Fix typo.
164 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
167 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
168 ashrdi_const, ashrdi3): Use a scratch register.
170 2006-05-10 Richard Guenther <rguenther@suse.de>
172 PR tree-optimization/27302
173 * fold-const.c (operand_equal_p): For two comparisons,
174 try comparison of one comparison code swapped if that yields
177 2006-05-10 Ben Elliston <bje@au.ibm.com>
179 * tree-pretty-print.c (pretty_print_string): No need to handle
180 '\0' as a special character.
182 * tree.h: Include "hashtab.h".
183 (iterative_hash_expr): Use hashval_t in its prototype.
184 * Makefile.in (TREE_H): Add $(HASHTAB_H).
186 2006-05-09 Steve Ellcey <sje@cup.hp.com>
189 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
190 (hppa*64*-*-hpux11*): Ditto.
191 (hppa[12]*-*-hpux11*): Ditto.
193 2006-05-09 David Edelsohn <edelsohn@gnu.org>
196 * config/rs6000/aix41.h (TARGET_64BIT): Define.
198 2006-05-09 Michael Matz <matz@suse.de>
200 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
201 host_extra_gcc_objs and host_xmake_file.
202 (<*-*-linux*>): Don't overwrite host_xmake_file.
203 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
204 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
205 (host_detect_local_cpu): Declare.
206 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
207 * config/i386/i386.c (override_options): Handle -mtune=native
209 * config/i386/x-i386: New file.
210 * config/i386/driver-i386.c: New file.
211 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
214 2006-05-09 Dirk Mueller <dmueller@suse.de>
215 Richard Guenther <rguenther@suse.de>
218 * fold-const.c (fold_read_from_constant_string): Relax check
219 for matching types to matching modes.
221 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
223 PR rtl-optimization/27335
224 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
227 2006-05-08 Chao-ying Fu <fu@mips.com>
228 Richard Sandiford <richard@codesourcery.com>
230 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
231 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
232 * config/mips/mips.md (UNSPEC_SCC): New constant.
233 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
234 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
235 (mips_emit_compare): Use it.
236 (mips_expand_vcondv2sf): New function.
238 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
240 Fix PR tree-optimization/27093
241 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
242 renaming when they become not-used_alone.
244 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
246 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
247 relocation and relocation stubs.
249 2006-05-08 Eric Christopher <echristo@apple.com>
251 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
254 2006-05-08 Jan Hubicka <jh@suse.cz>
257 * cgraphunit.c (decide_is_function_needed): When not optimizing even
258 unused static functions are needed.
260 2006-05-08 Roger Sayle <roger@eyesopen.com>
263 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
264 of a reg_equiv_constant if the result is a legitimate constant.
266 2006-05-08 Uros Bizjak <uros@kss-loka.si>
269 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
270 standard 80387 constants, raise the cost to prevent
271 compress_float_constant() to generate load from memory.
273 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
275 * config/arm/constraints.md (c): Fix a typo.
277 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
280 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
283 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
285 (_mm_mwait): Likewise.
287 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
289 (sse3_monitor): Make it 32bit only.
290 (sse3_monitor64): New. 64bit monitor.
292 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
295 * config/i386/i386.c (classify_argument): Skip fields with invalid
298 2006-05-07 Richard Guenther <rguenther@suse.de>
300 PR tree-optimization/27409
301 * tree-ssa-structalias.c (get_constraint_for_component_ref):
302 Do not try to find zero-sized subvars.
304 2006-05-07 Richard Guenther <rguenther@suse.de>
306 PR tree-optimization/27136
307 * tree-ssa-loop-niter.c (get_val_for): Correct function
308 comment, assert requirements.
309 (loop_niter_by_eval): Stop processing if the iterated
310 value did not simplify.
312 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
314 * opts.c (flag_see): remove its setting at -O3.
316 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
318 * genpeep.c (main): Make insn-peep.c depend on flags.h.
319 * arm/constraints.md: New file.
320 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
321 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
322 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
323 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
324 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
325 (EXTRA_MEMORY_CONSTRAINT): Likewise.
326 * arm.md: Include constraints.md.
327 (thumb_movsi_insn): Use satisfies_constraint_J.
328 (movhi, movqi): Use satisfies_constraint_I.
330 2006-04-29 Anatoly Sokolov <aesok@post.ru>
332 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
333 for atmeg a645 device.
335 2006-05-06 Richard Guenther <rguenther@suse.de>
337 PR tree-optimization/27151
338 * tree-vect-transform.c (vectorizable_condition): Punt on
339 values that have a different type than the condition.
341 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
344 * c-parser.c (c_parser_cast_expression): Only insert casts into
345 hash table if pointer.
346 * function.c (used_types_insert_helper): Rename from
348 (used_types_insert): Call used_types_insert_helper.
349 * function.h (used_types_insert): Accept only one argument.
351 2006-05-05 David Edelsohn <edesohn@gnu.org>
353 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
354 scratch with output modifier.
356 2006-05-04 David Edelsohn <edelsohn@gnu.org>
359 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
360 with output modifier.
362 2006-05-04 Richard Sandiford <richard@codesourcery.com>
365 * config/mips/mips.c (mips_symbolic_address_p): Return true
366 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
367 SYMBOL_GOTTPREL, and SYMBOL_TLS.
369 2006-05-04 Richard Guenther <rguenther@suse.de>
371 PR tree-optimization/14287
372 PR tree-optimization/14844
373 PR tree-optimization/19792
374 PR tree-optimization/21608
375 PR tree-optimization/27090
376 * tree-ssa-pre.c (try_combine_conversion): New function.
377 (compute_avail): After constructing the value-handle
378 expression, use try_combine_conversion to combine NOP_EXPRs
379 with previous value-handle expressions and use the result if it
382 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
384 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
386 2006-05-04 Jan Hubicka <jh@suse.cz>
389 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
391 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
393 * config/bfin/predicates.md (const01_rtx): Tell generator programs
394 that this only matches CONST_INTs. All users changed to VOIDmode
397 * config/bfin/bfin.c: Include "optabs.h".
398 (bfin_rtx_costs): Some costs for vector operations, to allow combine
400 (enum bfin_builtins): Add a number of fractional and vector builtins.
401 (bfin_init_builtins): Likewise.
402 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
403 (safe_vector_operand, bfin_expand_binop_builtin,
404 bfin_expand_unop_builtin): New functions.
405 (bfin_expand_builtin): Handle the new builtins.
406 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
409 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
412 * Makefile.in (OBJS-common): Add see.o.
413 (see.o): Add dependencies.
414 * common.opt (fsee): New flag for the see optimization was added.
415 * opts.c (flag_see): Initialized.
416 * passes.c (init_optimization_passes, pass_see): New pass.
417 * rtl.h (see_main): Declaration as extern.
418 * timevar.def (TV_SEE): New.
419 * tree-pass.h (pass_see): Declaration as extern.
420 * invoke.texi (-fsee): Document.
421 * recog.c (validate_simplify_insn): New function.
422 * recog.h (validate_simplify_insn): Declaration as extern.
423 * df-problems.c (df_chain_dump): Check for NULL.
425 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
426 Daniel Berlin <dberlin@dberlin.org>
428 * cfgrtl.c (insert_insn_bb_end_new): New function.
429 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
431 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
433 * df.h (struct web_entry): Moved from web.c.
434 (union_defs): Declaration as extern.
435 (unionfind_root): Likewise.
436 (unionfind_union): Likewise.
437 * web.c (struct web_entry): Moved to df.h.
438 (unionfind_root): Remove static declaration.
439 (unionfind_union): Likewise.
440 (union_defs): Likewise and generalize to use callback function.
441 (web_main): Update arguments for union_defs function call.
443 2006-05-04 Richard Guenther <rguenther@suse.de>
445 PR tree-optimization/26447
446 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
447 produce SSA_NAME copies before the store stmt to avoid
448 breaking exception handling.
450 2006-05-04 Jakub Jelinek <jakub@redhat.com>
453 * gimplify.c (omp_is_private): If var is shared in some outer context,
454 return false instead of true. Stop searching on parallel context
457 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
460 * coverage.c: Use get_gcov_unsigned_t() instead of
461 unsigned_type_node all over.
463 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
465 PR tree-optimization/27381
466 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
467 maintain the same immediate_use links.
468 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
469 node rather than segfaulting.
471 2006-05-03 Jakub Jelinek <jakub@redhat.com>
474 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
475 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
476 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
478 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
480 Fix PR tree-optimization/26626
481 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
483 * tree-ssa-operands.c (access_can_touch_variable): Allow
484 typecasting through union pointers.
486 2006-05-02 Jakub Jelinek <jakub@redhat.com>
489 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
490 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
491 to find if var will be a global variable even in the nested context.
492 (omp_copy_decl): Only check for global variable at the end, it might
493 be overridden in outer contexts.
494 (scan_sharing_clauses): For global variables don't create a field.
495 (lower_rec_input_clauses): Do nothing for global shared variables.
496 Emit a barrier at the end of ILIST if there were any decls in both
497 firstprivate and lastprivate clauses.
498 (lower_send_clauses): Do nothing for global variables except for
501 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
503 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
504 of the correct signedness is returned.
506 2006-05-02 Jeff Law <law@redhat.com>
508 PR tree-optimization/27364
509 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
510 multiply expressions.
512 2006-05-02 Tom Tromey <tromey@redhat.com>
514 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
516 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
519 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
520 -mthumb -fPIC are used.
522 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
523 Joshua Kinard <kumba@gentoo.org>
526 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
527 with 64-bit pointers.
529 2006-05-02 Paul Brook <paul@codesourcery.com>
531 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
533 (create_fix_barrier): Check that a suitable barrier location is
535 (arm_reorg): Include ftmp->address in allowable range of addresses.
537 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
540 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
543 2006-05-02 Jakub Jelinek <jakub@redhat.com>
546 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
547 around RESULT_DECL for result passed by reference.
548 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
549 * omp-low.c (use_pointer_for_field): Don't look at
550 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
551 (scan_omp_1): Call remap_decl on RESULT_DECLs.
552 (lower_rec_input_clauses): Don't allocate VLA memory for the second
553 time or var for passing by reference for
554 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
555 TREE_ADDRESSABLE variables when passing by reference.
557 * omp-low.c (dump_omp_region): Fix output formatting.
560 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
561 (expand_omp_parallel): Likewise.
562 * tree-cfg.c (move_sese_region_to_fn): Likewise.
565 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
566 on statement list containing also constructors and destructors.
567 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
570 * except.c (duplicate_eh_regions): Fix clearing of
571 cfun->eh->region_array entries.
573 2006-05-01 DJ Delorie <dj@redhat.com>
575 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
577 (gcc_cv_objdump): Likewise.
578 * configure: Regenerated.
580 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
583 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
584 templates for case 3 and 4.
586 2006-05-01 DJ Delorie <dj@redhat.com>
588 * vec.c: Include bconfig.h when appropriate.
589 * Makefile.in (build/vec.o): Adjust dependencies.
590 * mkconfig.sh: Make sure config.h isn't used for build machine
593 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
595 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
597 (mark_phi_for_rewrite): New function.
598 (insert_phi_nodes_for, mark_use_interesting): Call
599 mark_phi_for_rewrite.
600 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
601 (update_ssa): Initialize and free phis_to_rewrite.
603 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
605 PR rtl-optimization/27291
606 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
607 folded to a constant.
609 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
611 PR tree-optimization/27283
612 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
613 not whole # of iteration descriptions.
614 (niter_for_exit): Return just # of iterations. Fail if # of iterations
615 uses abnormal ssa name.
616 (niter_for_single_dom_exit): Ditto.
617 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
618 return just the number of iterations.
620 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
622 PR tree-optimization/27144
623 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
624 (record_estimate): Only record constant upper bound.
625 (infer_loop_bounds_from_undefined): Call
626 compute_estimated_nb_iterations just once.
627 (proved_non_wrapping_p): Renamed to ...
628 (n_of_executions_at_most): ... this. Expect bound to be a constant.
629 (convert_step_widening, scev_probably_wraps_p): Call
630 n_of_executions_at_most instead of proved_non_wrapping_p.
631 (substitute_in_loop_info): Do not replace values in bounds.
632 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
635 2006-05-01 Richard Henderson <rth@redhat.com>
638 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
639 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
642 2006-05-01 Roger Sayle <roger@eyesopen.com>
644 * c-typeck.c (parser_build_binary_op): Don't call the function
645 unsigned_conversion_warning to spot operand/result type overflow.
646 (build_binary_op): Instead, call convert_and_check instead of
647 convert to report the problem when the operands are promoted.
648 * c-common.c (unsigned_conversion_warning): Make static.
649 * c-common.h (unsigned_conversion_warning): Delete prototype.
651 2006-05-01 Richard Guenther <rguenther@suse.de>
653 PR tree-optimization/26726
654 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
656 (find_interesting_uses_address): ... we work around here
657 by folding INDIRECT_REFs in the substituted base.
659 2006-05-01 Diego Novillo <dnovillo@redhat.com>
661 * omp-low.c (dump_omp_region): Add newlines.
663 2006-04-30 Roger Sayle <roger@eyesopen.com>
665 * common.opt (Woverflow): New command line option.
666 * c-common.c (constant_expression_warning): Check warn_overflow.
667 (overflow_waring): Pass OPT_Woverflow to warning.
668 (unsigned_conversion_warning): Likewise.
669 (convert_and_check): Likewise.
670 * doc/invoke.texi: Document new command line option.
672 2006-04-30 David Edelsohn <edelsohn@gnu.org>
674 * config/rs6000/rs6000.c (rs6000_override_options): Enable
675 TARGET_NO_FP_IN_TOC for section anchors.
676 (optimization_options): Enable section anchors for all
677 non-"Objective" languages.
679 2006-04-28 Eric Christopher <echristo@apple.com>
681 * config/darwin-c.c (darwin_ms_struct): Move this
682 (darwin_set_default_type_attributes): and this...
683 * config/darwin.c: ... here.
684 * config/darwin.h (darwin_ms_struct): Declare.
686 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
688 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
690 2006-04-28 Roger Sayle <roger@eyesopen.com>
693 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
694 (push_array_bounds): Delete prototype. Change BOUNDS argument to
695 an unsigned HOST_WIDE_INT.
696 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
698 (really_start_incremental_init): No need to call convert because
699 bitsize_zero_node is already of type bitsizetype.
700 (push_init_level): Extract the value of constructor_index as an
701 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
702 (process_init_element): Likewise.
704 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
706 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
707 value before passing to make_relative_prefix.
709 2006-04-28 Alan Modra <amodra@bigpond.net.au>
712 * builtins.c (expand_builtin_memset): Expand val in original mode.
714 2006-04-27 Eric Christopher <echristo@apple.com>
716 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
718 * config/darwin-c.c (darwin_ms_struct): New.
719 (darwin_pragma_ms_struct): Ditto.
720 (darwin_set_default_type_attributes): Ditto.
721 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
722 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
723 Register ms_struct pragma.
724 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
725 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
726 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
727 darwin_set_default_type_attributes if TARGET_MACHO.
729 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
731 PR tree-optimization/26854
732 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
733 * doc/tree-ssa.texi: Update immuse iterator documentation.
734 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
735 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
736 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
737 first_safe_imm_use, next_safe_imm_use): Remove.
738 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
739 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
740 (move_use_after_head): New. Helper function to sort immuses in a stmt.
741 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
742 (first_imm_use_stmt): New. Get first stmt in an immuse list.
743 (next_imm_use_stmt): New. Get next stmt in an immuse list.
744 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
745 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
746 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
747 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
748 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
749 (perfect_nestify): Use new iterator.
750 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
752 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
753 (next_imm_name): New field in struct immediate_use_iterator_d.
754 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
755 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
756 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
757 * tree-cfg.c (replace_uses_by): Use new iterator.
758 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
759 * tree-ssa-operands.c (correct_use_link): Remove.
760 (finalize_ssa_use_ops): No longer call correct_use_link.
762 2006-04-27 Stuart Hastings <stuart@apple.com>
764 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
765 * config/t-darwin (crt3.o): Use it.
766 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
767 'pmode', use Pmode instead of SImode for SYMBOL_REF.
768 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
769 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
770 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
773 2006-04-27 Roger Sayle <roger@eyesopen.com>
775 * expmed.c (store_fixed_bit_field): If we're not optimizing for
776 size, force the intermediate into a new pseudo rather instead of
777 performing both a bitwise AND and a bitwise IOR in memory.
779 2006-04-27 Richard Guenther <rguenther@suse.de>
781 PR rtl-optimization/26685
782 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
783 this one "max-flow-memory-locations".
785 2006-04-27 Richard Guenther <rguenther@suse.de>
787 PR tree-optimization/25148
788 * tree-vrp.c (compare_values): Remove code dealing with
789 comparisons against type min/max value. Honour overflow
790 and negative constants in code dealing with comparisons
791 of plus and minus expressions.
792 (value_inside_range): Use fold_binary with LE_EXPR and
793 GE_EXPR rather than compare_values.
795 2006-04-27 Dirk Mueller <dmueller@suse.de>
797 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
800 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
802 * basic-block.h (safe_insert_insn_on_edge): Removed.
803 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
805 2006-04-26 David Edelsohn <edelsohn@gnu.org>
806 Paolo Bonzini <bonzini@gnu.org>
809 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
810 (simplify_and_const_int): Same.
812 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
814 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
816 2006-04-26 Jakub Jelinek <jakub@redhat.com>
819 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
820 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
821 cgraph_global_info_ready.
824 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
827 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
828 either decl or init is error_mark_node.
831 * tree-flow.h (struct omp_region): Add sched_kind.
832 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
833 instead of extracting omp for data.
834 (expand_omp_for): Save extracted sched_kind.
836 2006-04-25 Roger Sayle <roger@eyesopen.com>
838 * expmed.c (store_bit_field): Also check whether the bitsize is
839 valid for the machine's "insv" instruction before moving the
840 target into a pseudo for use with the insv.
841 * config/i386/predicates.md (const8_operand): New predicate.
842 * config/i386/i386.md (extv, extzv, insv): Use the new
843 const8_operand predicate where appropriate.
845 2006-04-25 DJ Delorie <dj@redhat.com>
847 * doc/install.texi (Specific): Clarify that this is not a list of
848 supported hosts or targets.
850 2006-04-25 Richard Sandiford <richard@codesourcery.com>
852 PR rtl-optimization/26725
853 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
854 block's BB_DIRTY flag.
856 2006-04-25 Geoffrey Keating <geoffk@apple.com>
858 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
861 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
864 2006-04-25 David Edelsohn <edelsohn@gnu.org>
866 * varasm.c (align_variable): New function.
867 (get_block_for_decl): Apply align_variable to DECL before
868 calculating section information.
869 (assemble_variable): Split out alignment computation.
871 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
873 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
876 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
878 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
879 MODE_PARTIAL_INT mode.
880 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
881 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
883 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
884 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
886 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
888 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
890 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
891 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
892 MACFLAG_IH): Likewise.
893 (movstricthi_1): Renamed from "*movstricthi".
894 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
895 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
896 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
897 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
898 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
899 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
900 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
901 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
902 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
903 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
904 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
905 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
906 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
907 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
908 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
910 * doc/rtl.texi (ss_ashift): Improve wording.
912 2006-04-24 Geoffrey Keating <geoffk@apple.com>
914 * dwarf2out.c (verify_marks_clear): New.
915 (prune_unused_types): Call verify_marks_clear initially, not
918 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
920 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
921 * doc/rtl.texi: Document them.
922 * simplify-rtx.c (simplify_unary_operation,
923 simplify_binary_operation_1): Don't abort when we see them.
925 2006-04-24 Mark Mitchell <mark@codesourcery.com>
928 2006-04-23 Mark Mitchell <mark@codesourcery.com>
929 * configure.ac: Completely disregard languages that are not
931 * configure: Regenerated.
933 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
934 Richard Guenther <rguenther@suse.de>
936 PR tree-optimization/27236
937 * tree-inline.c (copy_body_r): Make sure to copy
938 TREE_THIS_VOLATILE flag.
940 2006-04-24 Richard Guenther <rguenther@suse.de>
943 * tree-complex.c (update_parameter_components): Don't handle
944 unused parameters which have no default def.
946 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
947 Richard Guenther <rguenther@suse.de>
949 PR tree-optimization/27218
950 * tree-inline.c (expand_call_inline): Strip useless type
951 conversions for the return slot address.
953 2006-04-24 Richard Guenther <rguenther@suse.de>
955 * cfgloop.h (struct loops): Remove unused field array. Reorder
957 (LOOP_PREFETCH): Remove.
959 2006-04-24 Richard Guenther <rguenther@suse.de>
961 PR tree-optimization/22525
962 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
963 variable, adjust types of generated expressions.
965 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
967 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
968 (tree-vect-patterns.o): Likewise.
970 (cselib.o): Likewise.
971 (loop-doloop.o): Likewise.
972 (regclass.o): Likewise.
973 (reload1.o): Likewise.
974 (explow.o): Replace target.h with $(TARGET_H).
975 (ipa-prop.o): Likewise.
976 (ipa-cp.o): Likewise.
977 (ipa-inline.o): Likewise.
979 (reg-stack.o): Likewise.
981 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
983 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
985 2006-04-23 Mark Mitchell <mark@codesourcery.com>
987 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
989 * configure.ac: Completely disregard languages that are not
991 * configure: Regenerated.
994 * c-common.h (c_build_bitfield_integer_type): Declare.
995 * c-decl.c (c_build_bitfield_integer_type): Move to ...
996 * c-common.c (c_build_bitfield_integer_type): ... here.
998 2006-04-23 Roger Sayle <roger@eyesopen.com>
1001 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1002 a SImode SUBREG of a floating point register after no_new_pseudos.
1004 2006-04-23 Roger Sayle <roger@eyesopen.com>
1006 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1007 identify potentially eliminable registers to additionally catch
1008 VIRTUAL_INCOMING_ARGS_REGNUM.
1009 (addsi3): Update the conditions on when to use addsi_small_int.
1011 2006-04-23 Roger Sayle <roger@eyesopen.com>
1014 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1015 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1016 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1018 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1020 * fold-const.c (range_predecessor): Use operand_equal_p
1021 as the predicate for equality.
1022 (range_successor): Likewise.
1024 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1027 * config/soft-fp/op-common.h: Fix a typo.
1029 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1032 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1033 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1035 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1037 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1039 * doc/tm.texi: Fix a typo.
1041 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1043 * dwarf2out.c (struct die_struct): Document that die_sib makes
1044 a circular linked list.
1045 (FOR_EACH_CHILD): New.
1046 (reverse_die_lists): Delete.
1047 (reverse_all_dies): Delete.
1048 (add_dwarf_attr): Correct documentation.
1049 (remove_child_with_prev): New.
1050 (remove_child_TAG): Update for change to die_struct, use
1051 remove_child_with_prev.
1052 (add_child_die): Update for change to die_struct.
1053 (splice_child_die): Use remove_child_with_prev and add_child_die.
1054 (print_die): Use FOR_EACH_CHILD.
1055 (die_checksum): Likewise.
1056 (assign_symbol_names): Likewise.
1057 (output_location_lists): Likewise.
1058 (build_abbrev_table): Likewise.
1059 (calc_die_sizes): Likewise.
1060 (mark_dies): Likewise.
1061 (unmark_dies): Likewise.
1062 (unmark_all_dies): Likewise.
1063 (output_die): Likewise.
1064 (prune_unused_types_mark): Likewise.
1065 (prune_unused_types_walk): Likewise.
1066 (same_die_p): Update for change to die_struct.
1067 (break_out_includes): Likewise.
1068 (prune_unused_types_prune): Likewise.
1069 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1070 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1072 (dwarf2out_finish): Don't call reverse_all_dies.
1074 2006-04-21 Eric Christopher <echristo@apple.com>
1076 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1077 in comments and function names.
1079 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1082 * c-typeck.c (digest_init): Robustify.
1084 * c-typeck.c (pop_init_level): Simplify.
1086 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1088 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1090 2006-04-21 Paul Brook <paul@codesourcery.com>
1092 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1093 hardware floating point.
1095 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1097 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1100 2006-04-21 Nick Clifton <nickc@redhat.com>
1102 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1105 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1108 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1109 C++ lang type in traceback table for Objective-C++.
1111 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1113 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1115 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1117 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1120 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1121 were errors. Remove check for erroneous objects.
1123 2006-04-20 Jeff Law <law@redhat.com>
1125 PR tree-optimization/26854
1126 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1127 checking for zero or one use.
1128 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1129 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1130 * tree-ssa-reassoc.c (negate_value): Similarly.
1131 (reassociate_bb): Similarly.
1133 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1135 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1136 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1137 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1139 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1141 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1142 fp regs if the last fp arg doesn't fit in regs.
1144 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1147 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1148 that the last insn has the REG_INC note.
1150 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1151 Nathan Sidwell <nathan@codesourcery.com>
1154 * stor-layout.c (update_alignment_for_field): Do not align
1156 (place_union_field): Place union field at the start of the union.
1157 (place_field): Move ERROR_MARK check later, and use the current
1158 allocation position to maintain monotonicity.
1160 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1162 * dominance.c: Include timevar.h.
1163 (calculate_dominance_info): Use TV_DOMINANCE.
1164 * timevar.def (TV_DOMINANCE): New timevar.
1165 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1167 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1169 PR rtl-optimization/14261
1170 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1171 move would be an INSV insn.
1172 (noce_process_if_block): Don't optimize if the destination is a
1173 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1175 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1177 * config/s390/s390.md: Add comments with the instructions emitted
1178 by an insn pattern if macros are used.
1180 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1182 PR rtl-optimization/26026
1183 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1184 is a known power of two shifted left a variable amount.
1186 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1188 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1189 to hash table twice when the debug_str section has SECTION_MERGE.
1191 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1193 * config/soft-fp: New directory. From glibc.
1194 * config/soft-fp/t-softfp: New.
1195 * config/soft-fp/README: New.
1196 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1197 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1198 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1199 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1200 * config.gcc: Use rs6000/t-fprules-fpbit or
1201 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1203 * config/rs6000/sfp-machine.h: New. Based on glibc.
1204 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1206 * config/rs6000/t-fprules: Remove fp-bit rules.
1207 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1208 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1209 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1210 (softfp_wrap_start, softfp_wrap_end): New.
1212 2006-04-18 DJ Delorie <dj@redhat.com>
1214 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1216 2006-04-18 Devang Patel <dpatel@apple.com>
1218 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1220 2006-04-18 Nick Clifton <nickc@redhat.com>
1222 * config/sh/t-symbian: Add rule to build sh-c.o
1223 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1224 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1225 (sh_symbian_encode_section_info): Likewise.
1227 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1229 * builtins.c (expand_builtin_strcmp): Cover label definition of
1230 do_libcall with HAVE_cmpstrnsi.
1232 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1234 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1236 * function.h (temp_slot_p): New.
1237 (function): Change the type of x_used_temp_slots to
1238 VEC(temp_slot_p,gc) *.
1240 2006-04-18 Nick Clifton <nickc@redhat.com>
1242 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1243 flag_strength_reduce.
1245 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1247 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1251 Partial revert of revision 112637
1252 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1253 Dale Johannesen <dalej@apple.com>
1256 * regclass.c (struct reg_pref): Update documentation.
1257 (regclass): Set prefclass to NO_REGS if memory is the best option.
1258 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1260 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1262 PR tree-optimization/26821
1263 * tree-ssa-math-opts.c (get_constant_one): New.
1264 (insert_reciprocals): Use it.
1266 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1268 * dwarf2out.c (free_AT): Delete.
1269 (remove_AT): Update string ref counts.
1270 (remove_child_TAG): Don't call free_die.
1272 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1273 or DW_TAG_GNU_EINCL.
1274 (prune_unused_types_walk_attribs): Reset string refcounts.
1275 (prune_unused_types_update_strings): New.
1276 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1277 call free_die. Do call prune_unused_types_update_strings.
1278 (prune_unused_types): Empty debug_str_hash.
1280 2006-04-17 Roger Sayle <roger@eyesopen.com>
1282 * expr.c (expand_assignment): Optimize away no-op moves where the
1283 source and destination are equal and have no side-effects.
1285 2006-04-17 Richard Guenther <rguenther@suse.de>
1288 * reload.c (push_reload): Guard calls to get_secondary_mem
1291 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1293 * alias.c (reg_base_value, old_reg_base_value): Change the
1294 type to VEC(rtx,gc) *.
1295 (REG_BASE_VALUE, find_base_value, record_set,
1296 init_alias_analysis): Use VEC instead of VARRAY.
1298 * alias.c (alias_sets): Change the type to
1299 VEC(alias_set_entry,gc) *.
1300 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1301 VEC instead of VARRAY.
1302 (last_alias_set): Remove.
1304 * cgraph.h (cgraph_edge_p): New.
1305 Update the prototype of cgraph_function_versioning.
1306 * cgraphunit.c (cgraph_copy_node_for_versioning,
1307 cgraph_function_versioning): Use VEC instead of VARRAY.
1308 * ipa-cp.c (ipcp_insert_stage): Likewise.
1310 2006-04-16 Roger Sayle <roger@eyesopen.com>
1313 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1314 "A op B" or "A op C", we may need to convert A to the type of B and C.
1316 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1318 * target.h (struct gcc_target): Add mode_rep_extended.
1319 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1320 (init_num_sign_bit_copies_in_rep): Initialize it using
1322 (truncate_to_mode): Use it.
1323 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1324 * targhooks.h (default_mode_rep_extended): Declare it.
1325 * targhooks.c (default_mode_rep_extended): Define it.
1326 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1327 default_mode_rep_extended.
1328 (TARGET_INITIALIZER): Include it.
1329 * doc/tm.texi (Misc): Document it.
1330 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1331 (mips_truncated_to_mode): New function.
1333 2006-04-16 Roger Sayle <roger@eyesopen.com>
1336 * expr.c (compress_float_constant): Copy the narrow constant into
1337 a new pseudo before extending it to its final width.
1339 2006-04-16 Roger Sayle <roger@eyesopen.com>
1340 Andrew Pinski <pinskia@gcc.gnu.org>
1341 Dale Johannesen <dalej@apple.com>
1344 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1345 special case code to implement V8HImode and V16QImode with SSE2.
1347 2006-04-15 Roger Sayle <roger@eyesopen.com>
1349 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1350 trees are constructed with a suitable tree type.
1352 2006-04-15 Roger Sayle <roger@eyesopen.com>
1354 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1355 (integer_onep): Likewise.
1356 (integer_all_onesp): Likewise.
1357 (integer_pow2p): Likewise.
1358 (integer_nonzerop): Likewise.
1359 (real_zerop): Likewise.
1360 (real_onep): Likewise.
1361 (real_twop): Likewise.
1362 (real_minus_onep): Likewise.
1363 (int_size_in_bytes): Likewise.
1364 (host_integerp): Likewise.
1366 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1368 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1369 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1370 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1372 * tree-ssa-structalias.h (alias_info): Remove num_references.
1374 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1376 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1377 (output_bvb patterns): Likewise.
1378 * pa.c (output_bb): Use 'bb' insn for long branch case.
1379 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1380 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1381 1. Correct length operand for alternatives 1 and 2.
1382 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1383 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1385 2006-04-14 Roger Sayle <roger@eyesopen.com>
1387 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1388 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1389 were accidentally reverted by r112959.
1391 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1394 * except.h (eh_region_outermost): New prototype.
1395 * except.c (eh_region_outermost): New function.
1396 * tree-cfg.c (find_outermost_region_in_block): Use it.
1398 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1400 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1402 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1403 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1404 (init_reload, reload): Use VEC instead of VARRAY.
1405 * reload.h: Update the prototype for
1406 reg_equiv_memory_loc_varray.
1408 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1409 Eric Botcazou <ebotcazou@libertysurf.fr>
1411 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1414 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1417 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1418 to expand fallback builtin function call.
1420 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1423 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1424 and emit libcall here in case the builtin fails.
1425 (expand_builtin_strcmp): Always emit the libcall here on failure.
1427 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1429 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1430 * flow.c (reg_n_info): Change the type to
1431 VEC(reg_info_p,heap) *.
1432 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1434 * regs.h (reg_info_p): New.
1435 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1436 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1437 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1440 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1442 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1444 * params.h (MAX_SCHED_READY_INSNS): New macro.
1445 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1446 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1447 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1448 the ready list for 1 cycle during the first scheduling pass.
1449 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1451 2006-04-13 Richard Henderson <rth@redhat.com>
1454 * gimple-low.c (lower_omp_directive): Remove dead code.
1455 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1456 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1457 * omp-low.c (struct omp_region): Move to tree-flow.h.
1458 (root_omp_region): Export.
1459 (omp_regions, lookup_omp_region): Remove.
1460 (determine_parallel_type): Update for struct omp_region changes.
1461 (dump_omp_region): Dump regions with block numbers.
1462 (new_omp_region): Take type and block instead of stmt; malloc
1464 (free_omp_region_1, free_omp_regions): New.
1465 (expand_parallel_call): Take entry_stmt as argument; update for
1466 changes to omp_region.
1467 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1468 (remove_exit_barriers): New.
1469 (expand_omp_parallel): Update for struct omp_region changes.
1470 (expand_omp_synch): Likewise.
1471 (expand_omp): Likewise.
1472 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1473 (expand_omp_for_static_chunk): Likewise.
1474 (expand_omp_for): Likewise.
1475 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1476 (expand_omp_sections): Similarly, with GOMP_sections_end.
1477 (expand_omp_single): New.
1478 (build_omp_regions_1): Update for OMP_CONTINUE.
1479 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1480 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1481 OMP_SECTIONS_SECTIONS.
1482 (lower_omp_single_simple): Don't emit barrier here.
1483 (lower_omp_single_copy): Likewise.
1484 (lower_omp_single): Fix bindings, and lower to straightline now.
1485 (lower_omp_master, lower_omp_ordered): Likewise.
1486 (lower_omp_critical): Likewise.
1487 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1488 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1489 omp edges, free it afterward.
1490 (make_omp_sections_edges): Remove.
1491 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1492 (move_stmt_r): Handle OMP_CONTINUE.
1493 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1494 statement pointers to basic blocks. Add type member.
1495 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1496 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1497 * tree-inline.c (estimate_num_insns_1): Likewise.
1498 * tree-pretty-print.c (dump_generic_node): Likewise.
1499 * tree-ssa-operands.c (get_expr_operands): Likewise.
1500 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1501 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1502 (OMP_CONTINUE): New.
1503 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1504 (OMP_SECTIONS_SECTIONS): Remove.
1505 (OMP_SECTION_LAST): New.
1506 (OMP_RETURN_NOWAIT): New.
1508 2006-04-13 Roger Sayle <roger@eyesopen.com>
1510 * fold-const.c (native_encode_vector, native_interpret_real):
1511 Correct obvious mistakes in the previous check-in.
1513 2006-04-13 Roger Sayle <roger@eyesopen.com>
1515 * fold-const.c (native_encode_expr): New function to encode
1516 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1517 or VECTOR_CST into a specified buffer.
1518 (native_encode_int): New function.
1519 (native_encode_real): New function.
1520 (native_encode_complex): New function.
1521 (native_encode_vector): New function.
1522 (native_interpret_expr): Inverse of native_encode_expr to convert
1523 a target representation into an INTEGER_CST, REAL_CST etc...
1524 (native_interpret_int): New function.
1525 (native_interpret_real): New function.
1526 (native_interpret_complex): New function.
1527 (native_interpret_vector): New function.
1528 (fold_view_convert_expr): New function to constant fold/evaluate
1529 a VIEW_CONVERT_EXPR of a suitable constant expression.
1530 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1531 Change call of build1 to fold_build1 when constructing a
1534 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1535 Ulrich Weigand <uweigand@de.ibm.com>
1538 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1541 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1544 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1545 optimize to lo_sum for DFmode if !TARGET_FPRS.
1547 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1549 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1550 delete_alias_info, compute_flow_sensitive_aliasing,
1551 group_aliases): Use VEC instead of VARRAY.
1552 * tree-ssa-structalias.c (update_alias_info): Likewise.
1553 * tree-ssa-structalias.h (alias_info): Change the type of
1554 processed_ptrs to VEC(tree,heap) *.
1556 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1559 * config/sh/lib1funcs.h: New file, broken out of:
1560 * config/sh/lib1funcs.asm.
1561 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1563 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1564 * config/sh/lib1funcs-Os-4-200.asm: New file.
1565 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1566 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1567 (EXTRA_MULTILIB_PARTS): Include it.
1568 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1569 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1570 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1571 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1574 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1576 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1577 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1578 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1580 * tree-ssa-live.h: Include vecprim.h.
1581 (tree_partition_associator_d): Change the type of
1582 first_partition to VEC(int,heap) *.
1583 (tpa_first_partition): Use VEC instead of VARRAY.
1585 * Makefile.in (GTFILES): Move functions.h after tree.h.
1586 * function.c (reset_block_changes, record_block_change,
1587 check_block_change, free_block_changes): Use VEC instead of
1589 * function.h (function): Change the type of
1590 ib_boundaries_block to VEC(tree,gc) *.
1591 * tree-inline.c (copy_cfg_body): Initialize
1592 ib_boundaries_block to NULL instead of (varray_type) 0.
1594 2006-04-12 Roger Sayle <roger@eyesopen.com>
1596 * expr.c (emit_group_store): Correct operand order in call to
1597 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1598 a SUBREG_BYTE of zero.
1600 2006-04-12 Richard Guenther <rguenther@suse.de>
1602 * profile.c (compute_branch_probabilities): Remove code
1603 encapsulated in !ir_type (), which are remanents of the
1604 removed RTL profiling code.
1605 * rtl-profile.c: Remove.
1607 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1609 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1610 magic NULL_RTX comment.
1611 (function_arg): Store entire fp arg to mem if any part should go
1613 (rs6000_arg_partial_bytes): Adjust for above change.
1615 2006-04-11 Roger Sayle <roger@eyesopen.com>
1617 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1618 if it hasn't been initialized by dwarf2out_init.
1620 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1622 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1623 symbolic constants in branch patterns.
1625 2006-04-11 Roger Sayle <roger@eyesopen.com>
1627 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1629 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1631 PR rtl-optimization/27073
1632 * gcse.c (try_replace_reg): Revert last change. Continue to search
1633 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1636 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1638 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1639 aggregate types other than record and union types.
1640 (function_arg): Likewise.
1641 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1643 (function_value): In 64-bit mode, return objects that require it
1646 2006-04-11 Roger Sayle <roger@eyesopen.com>
1648 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1650 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1652 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1654 2006-04-03 Jeff Law <law@redhat.com>
1657 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1658 alias information too.
1660 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1662 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1664 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1667 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1668 (premark_used_types_helper): New.
1669 (premark_used_types): New.
1670 (gen_subprogram_die): Call premark_used_types.
1671 (prune_unused_types_walk): Do not prune perennial dies.
1672 * function.c (used_types_insert): New.
1673 * function.h (struct function): Add used_types_hash field.
1674 (used_types_insert): Add prototype.
1675 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1676 * c-parser.c (c_parser_cast_expression): Save casted types in used
1679 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1682 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1683 rs6000_explicit_options.float_gprs.
1685 2006-04-10 Roger Sayle <roger@eyesopen.com>
1687 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1688 from ix86_expand_vector_init_low_nonzero. Take an additional
1689 one_var argument indicating which element is non-zero. Support
1690 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1691 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1692 with one_var instead of ix86_expand_vector_init_low_nonzero.
1694 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1696 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1697 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1698 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1699 build/genextract.o): Depend on vecprim.h.
1700 * cfglayout.c, df-problems.c, function.c, genextract.c,
1701 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1702 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1706 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1708 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1709 Declare VECs of this type.
1710 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1711 (remove_children): Delete.
1712 (add_dwarf_attr): Use VEC routines.
1713 (add_AT_flag): Update for changes to add_dwarf_attr.
1714 (add_AT_int): Likewise.
1715 (add_AT_unsigned): Likewise.
1716 (add_AT_long_long): Likewise.
1717 (add_AT_vec): Likewise.
1718 (add_AT_string): Likewise.
1719 (add_AT_die_ref): Likewise.
1720 (add_AT_fde_ref): Likewise.
1721 (add_AT_loc): Likewise.
1722 (add_AT_loc_list): Likewise.
1723 (add_AT_addr): Likewise.
1724 (add_AT_lbl_id): Likewise.
1725 (add_AT_lineptr): Likewise.
1726 (add_AT_macptr): Likewise.
1727 (add_AT_offset): Likewise.
1728 (add_AT_range_list): Likewise.
1729 (get_AT): Use VEC_iterate.
1730 (remove_AT): Use VEC_ordered_remove.
1731 (free_die): Fold remove_children into here; have it use VEC_iterate.
1732 (print_die): Use VEC_iterate on attrs.
1733 (reverse_die_lists): Don't reverse attr lists.
1734 (die_checksum): Use VEC_iterate on attrs.
1735 (same_die_p): Likewise.
1736 (output_location_lists): Likewise.
1737 (build_abbrev_table): Likewise.
1738 (size_of_die): Likewise.
1739 (unmark_all_dies): Likewise.
1740 (output_abbrev_section): Likewise.
1741 (output_die): Likewise.
1742 (prune_unused_types_walk_attribs): Likewise.
1744 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1746 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1748 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1751 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1753 2006-04-09 Roger Sayle <roger@eyesopen.com>
1755 * expr.c (store_constructor): Don't bother clearing target if
1756 we're about to assign a vector to it using vec_init_optab.
1758 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1760 * tree-ssa-alias.c (lhs_may_store_to): New function.
1761 (recalculate_used_alone): Handle LHS of calls.
1763 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1767 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1768 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1769 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1770 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1771 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1772 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1773 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1774 stubs. Add ".align 8" directives before all ".dword" directives.
1775 (GTHREAD_USE_WEAK): Revise comment.
1776 (TARGET_ATTRIBUTE_WEAK): Define.
1777 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1778 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1779 * stublib.c: New file.
1784 * pa.md (cbranch patterns): Revise arguments used in calls to
1785 output_cbranch, output_bb and output_bvd. Add long branch length
1787 (fbranch patterns): Handle long branches.
1788 (jump): Revise length check. Revise arguments for output_lbranch call.
1789 Add long branch length attributes.
1790 (decrement_and_branch_until_zero): Add long branch length attributes.
1791 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1792 Likewise. Revise arguments for output_parallel_addb and
1793 output_parallel_movb calls.
1794 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1795 output_parallel_movb and output_parallel_addb): Update prototypes.
1796 * pa.c (output_cbranch): Revise arguments. Correct handling of
1797 nullification in long branches.
1798 (output_lbranch): Add new argument to control extraction of delay
1800 (output_bb): Handle long branches.
1801 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1802 output_parallel_addb): Likewise.
1804 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1806 PR rtl-optimization/27073
1807 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1810 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1812 * tree.h (tree_memory_tag): Add old_used_alone.
1813 (SMT_OLD_USED_ALONE): New macro.
1814 * tree-ssa-alias.c (recalculate_used_alone): Stop
1815 marking things for renaming unnecessarily.
1817 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1819 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1820 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1821 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1822 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1823 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1824 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1825 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1826 spelling convensions.
1827 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1828 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1829 typos. Follow spelling conventions.
1831 2006-04-07 DJ Delorie <dj@redhat.com>
1833 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1834 passed on the stack.
1835 (m32c_init_cumulative_args): When a function returns a structure,
1836 always pass the pointer to that return area on the stack.
1837 (m32c_function_arg_advance): Don't increment the parameter number
1838 if we're processing the returned structure pointer.
1839 (pushm_info): Reverse order of registers.
1841 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1843 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1844 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1845 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1846 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1848 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1849 chrec_fold_multiply): Same.
1850 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1851 force_expr_to_var_cost): Same.
1852 * tree-mudflap.c (mf_xform_derefs_1): Same.
1853 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1855 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1857 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1858 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1861 2006-04-07 Jan Hubicka <jh@suse.cz>
1863 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1865 2006-04-07 Richard Guenther <rguenther@suse.de>
1867 PR tree-optimization/26135
1868 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1869 loads for store copy-prop.
1870 (copy_prop_visit_stmt): Likewise.
1872 2006-04-05 Robert Millan <robertmh@gnu.org>
1874 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1875 being overriden in config/k*bsd-gnu.h.
1876 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1878 * gcc/config/knetbsd-gnu.h: Ditto.
1880 2006-04-06 Jan Hubicka <jh@suse.cz>
1884 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1887 2006-04-06 Mike Stump <mrs@apple.com>
1889 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1890 for HAVE_nonlocal_goto to be consistent.
1891 (expand_builtin_nonlocal_goto): Likewise.
1892 (expand_builtin_strcmp): Use #ifdef instead of #if
1893 for HAVE_cmpstrnsi to be consistent.
1895 2006-04-05 DJ Delorie <dj@redhat.com>
1897 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1900 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1902 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1903 got-relative addressing for anything but SImode.
1905 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1906 even if the calling function doesn't modify them.
1908 2006-04-05 Richard Guenther <rguenther@suse.de>
1910 PR tree-optimization/26919
1911 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1912 to cgraph_estimate_size_after_inlining.
1914 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1916 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1918 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1920 PR tree-optimization/26996
1921 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1922 VECTOR_TYPE variables.
1924 2006-04-05 Richard Guenther <rguenther@suse.de>
1926 PR tree-optimization/26763
1927 * fold-const.c (fold_comparison): Move folding of
1928 PTR + CST CMP PTR + CST ...
1929 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1931 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1933 * doc/install.texi (Prerequisites): Refine some wording on
1934 bootstrapping and ksh.
1935 Move the version numbers of DejaGnu here from the testing section
1936 and fix casing of names.
1937 Fix markup and clarify wording for autogen requirements.
1938 Refer to GCJ instead of just java.
1939 Refer to SVN instead of CVS.
1940 Describe diffutils as useful instead of necessary.
1941 (Downloading the source): Refer to SVN instead of CVS.
1942 Adjust a link to our web site accordingly.
1943 (Configuration): Fix casing of Bison.
1944 (Building): Refer to SVN instead of CVS.
1945 Fix a sentence on the use of Bison and remove duplicate (and
1946 incorrect) version number of Bison requirement.
1947 Remove one redundant list of packages needed for building.
1948 (Specific): Avoid reference to CVS.
1950 2006-04-04 Eric Christopher <echristo@apple.com>
1952 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1953 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1954 (rs6000_handle_struct_attribute): New.
1955 (rs6000_ms_bitfield_layout_p): Ditto.
1957 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1959 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1960 NULL for dso parameter to atexit_common.
1962 2006-04-04 Eric Christopher <echristo@apple.com>
1964 * config/i386/i386.c (machopic_output_stub): Output \t
1965 between instructions and operands.
1967 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1969 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1970 satisfies_constraint_[IL] to explicit tests on value.
1972 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1974 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1975 set_nb_iterations_in_loop): Use build_int_cst instead of
1977 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1978 build_int_cst instead of convert.
1980 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1982 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1983 new value 2 for incoming.
1984 * function.c (expand_function_start): Call struct_value_rtx
1986 * config/sparc/sparc.md: Comment updated_return.
1987 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1988 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1989 struct return if sparc_std_struct_return and incoming is 2.
1990 (print_operand): Do not adjust return if
1991 sparc_std_struct_return.
1993 2006-04-04 Roger Sayle <roger@eyesopen.com>
1995 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1996 convert in the middle-end.
1997 * expr.c (store_expr, store_constructor, get_inner_reference,
1998 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2000 * tree.c (build_range_type): Likewise.
2002 2006-04-04 Tom Tromey <tromey@redhat.com>
2004 * doc/install.texi (Prerequisites): Mention jar.
2006 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2008 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2011 2006-04-04 Matthias Klose <doko@debian.org>
2013 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2014 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2017 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2019 * doc/extend.texi (Function Attributes): Rewrite visibility
2020 attribute documentation.
2021 * doc/invoke.texi (C++ Dialect Options): Rewrite
2022 -fvisibility-inlines-hidden documentation to describe something
2023 entirely different, although in practise compatible.
2024 (Code Gen Options): Warn about system headers in -fvisibiltity=
2027 * doc/extend.texi (Other Builtins): Document that
2028 __builtin_nan is a compile-time constant only when its argument
2031 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2033 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2034 trying to remove TRUNCATE check if all bits outside the new mode
2035 are identical to the sign bit.
2037 2006-04-03 Jeff Law <law@redhat.com>
2039 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2040 and operand scanning in some common cases.
2042 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2043 Dale Johannesen <dalej@apple.com>
2046 * regclass.c (struct reg_pref): Update documentation.
2047 (regclass): Set prefclass to NO_REGS if memory is the best option.
2048 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2049 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2050 into account. For non-registers, equate an empty preferred
2051 reload class to a `!' in the constraint; move the if clause to
2052 do so after those that reject the insn.
2053 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2055 (find_dummy_reload): Likewise.
2056 * doc/tm.texi (Register Classes): Document what it means
2057 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2058 * config/i386/i386.c (ix86_preferred_reload_class): Force
2059 using SSE registers (and return NO_REGS for floating-point
2060 constants) if math is done with SSE.
2061 (ix86_preferred_output_reload_class): New.
2062 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2063 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2064 * config/i386/i386.md: Remove # register preferences.
2066 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2069 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2070 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2071 the type of nb_iter.
2072 (instantiate_parameters_1): Convert the operands before calling
2073 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2074 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2076 2006-04-02 Roger Sayle <roger@eyesopen.com>
2078 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2079 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2081 * dojump.c (do_jump): Likewise.
2082 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2083 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2084 gimplify_boolean_expr): Likewise.
2085 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2086 * varasm.c (array_size_for_constructor): Likewise.
2087 * tree-object-size.c (compute_object_offset): Likewise.
2089 2006-04-02 Roger Sayle <roger@eyesopen.com>
2092 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2093 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2095 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2097 PR tree-optimization/26939
2098 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2100 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2102 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2103 at_stmt. Convert the type of operands before calling
2104 build_polynomial_chrec.
2105 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2107 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2108 (instantiate_parameters_1): Convert the type of operands before calling
2109 build_polynomial_chrec.
2110 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2111 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2112 reset_evolution_in_loop): Insert asserts to check the types of the
2114 (chrec_type): Moved...
2115 (eq_evolutions_p): Use operand_equal_p.
2116 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2117 the types of the operands.
2118 (chrec_type): ...here.
2119 * tree-data-ref.c (create_data_ref): Convert the operands before
2120 calling chrec_replace_initial_condition.
2121 (same_access_functions, analyze_subscript_affine_affine,
2122 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2123 (compute_subscript_distance, analyze_ziv_subscript,
2124 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2125 analyze_miv_subscript): Convert the operands before calling
2126 chrec_fold_minus or chrec_fold_plus.
2128 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2130 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2131 the dependence_relations vector.
2132 (compute_data_dependences_for_loop): Adjust call to
2133 compute_all_dependences.
2135 2006-04-01 Roger Sayle <roger@eyesopen.com>
2136 Richard Henderson <rth@redhat.com>
2138 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2139 gimple_boolify on the condition before calling gimplify_expr.
2141 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2143 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2144 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2145 the frame size. Update to use the new macros.
2146 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2147 * config/xtensa/ieee754-df.S: Likewise.
2149 2006-03-31 Richard Henderson <rth@redhat.com>
2151 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2152 (make_edges): ... here. Control fallthru creation with a local
2153 variable. Do not play with fake edges.
2154 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2155 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2158 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2160 * dwarf2.h (DW64_CIE_ID): Define.
2161 * dwarf2out.c (DWARF_CIE_ID): Define.
2162 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2163 length header. Use DWARF_CIE_ID.
2164 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2165 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2167 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2169 * config/sh/linux-atomic.asm: New file.
2170 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2172 2006-03-31 DJ Delorie <dj@redhat.com>
2174 * config/m32c/cond.md: Set condition flags properly throughout.
2175 * config/m32c/minmax.md: Likewise.
2176 * config/m32c/prologue.md: Likewise.
2177 * config/m32c/bitops.md: Likewise.
2178 * config/m32c/muldiv.md: Likewise.
2179 * config/m32c/mov.md: Likewise.
2180 * config/m32c/addsub.md: Likewise.
2181 * config/m32c/m32c.md: Likewise.
2182 * config/m32c/jump.md: Likewise.
2183 * config/m32c/shift.md: Likewise.
2185 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2186 conditionally output the pattern for this.
2187 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2188 (m32c_compare_redundant): New.
2189 (m32c_output_compare): New.
2190 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2192 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2193 dest, not src. Allow other 4-byte modes.
2195 2006-03-30 Denis Chertykov <denisc@overta.ru>
2197 * doc/md.texi: Refer to avr/constraints.md instead of
2200 2006-03-30 Roger Sayle <roger@eyesopen.com>
2202 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2203 signed vs. unsigned comparison failures on some hosts.
2205 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2208 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2209 change to FLOAT_REGS.
2211 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2212 (rs6000_override_options): Use it.
2213 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2214 only for -mabi=spe/no-spe and -mabi=altivec.
2216 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2218 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2221 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2223 * Makefile.in: Rename docdir to gcc_docdir.
2225 2006-03-30 Roger Sayle <roger@eyesopen.com>
2228 * expr.c (emit_group_store): Optimize group stores into a pseudo
2229 register by using a paradoxical subreg to initialize the destination
2230 if the first or last member of the group specifies a "low part".
2232 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2235 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2236 * target.h (struct gcc_target.speculate_insn): Change type of the
2237 second parameter to 'int'.
2238 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2239 the second operand of the DEPS_LIST.
2240 (copy_DEPS_LIST_list): Update reference to the second operand of the
2242 * rtl.h (alloc_DEPS_LIST): Update signature.
2243 * sched-int.h (ds_t): Change typedef to 'int'.
2244 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2246 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2248 * haifa-sched.c (try_ready): Change condition to restore
2249 non-speculative pattern of the instruction.
2250 (process_insn_depend_be_in_spec): Code to keep probability of the
2251 speculative dependence non-decreasing.
2253 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2255 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2256 (single_move_for_movmem): ... this. Also change all uses.
2257 (bfin_expand_strmov): Renamed to...
2258 (bfin_expand_movmem): ... this. Also change all uses.
2259 * config/bfin/bfin.md (movstrsi): Renamed to...
2260 (movstrsi): ...this.
2262 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2264 PR tree-optimization/26830
2266 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2267 (copy_prop_visit_stmt): Remove write-only variable ann.
2268 (init_copy_prop): Check variable loop depth here. Do not simulate
2269 memory-tag and virtual operand PHIs except for store copy prop.
2271 2006-03-30 Richard Guenther <rguenther@suse.de>
2273 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2274 variants with double arguments.
2276 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2278 * genpreds.c (write_tm_constrs_h): Delete variable p.
2279 * genconditions.c (write_header): Add tm-constrs.h to included
2281 * genpeep.c (main): Add toplev.h to included headers.
2282 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2283 (build/genpeep.o): Add toplev.h dependency.
2284 * config/rs6000/constraints.md: Add "W" constraint.
2286 2006-03-29 Roger Sayle <roger@eyesopen.com>
2288 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2289 sizes by correctly testing whether the size fits a host integer.
2290 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2291 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2292 SImode range for the default sizetype and bitsizetype.
2294 2006-03-29 Roger Sayle <roger@eyesopen.com>
2296 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2297 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2298 quickly if the argument is already of the correct type.
2299 Call fold_build1 instead of build1. Tidy up blank lines.
2301 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2303 * genemit.c (main): Add tm-constrs.h to included headers.
2304 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2305 * genpeep.c (main): Add tm-constrs.h to included headers.
2306 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2307 (write_tm_constrs_h): this and write complete file.
2308 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2309 (write_insn_preds_c): Add tm-constrs.h to included headers.
2310 (gen_constrs): New variable.
2311 (parse_option): Parse "-c".
2312 (main): Invoke write_tm_constrs_h.
2313 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2314 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2315 (object_out_file): Add tm-constrs.h dependency.
2316 (insn-emit.o): Same.
2317 (insn-output.o): Same.
2318 (insn-peep.o): Same.
2319 (insn-preds.o): Same.
2320 (insn-recog.o): Same.
2321 (tm-constsr.h): New target.
2322 (s-constrs-h): New target.
2324 * config/rs6000/constraints.md: New file.
2325 * config/rs6000/rs6000.c: Include tm-constrs.h.
2326 (num_insn_constant_wide): Convert to satisfies_constraint.
2327 (rs6000_rtx_costs): Convert to satisfies_constraint.
2328 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2329 (CONST_OK_FOR_LETTER_P): Delete.
2330 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2331 (EXTRA_CONSTRAINT): Delete.
2332 (EXTRA_MEMORY_CONSTRAINT): Delete.
2333 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2334 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2335 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2336 satisfies_constraint.
2338 * config/i386/i386.c: Include tm-constrs.h.
2340 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2342 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2343 * tree-data-ref.c (find_data_references_in_loop,
2344 compute_data_dependences_for_loop): Use pointers to VEC.
2345 (analyze_all_data_dependences): Adjust calls.
2346 * tree-data-ref.h (find_data_references_in_loop,
2347 compute_data_dependences_for_loop): Adjust declarations.
2348 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2349 compute_data_dependences_for_loop.
2351 2006-03-29 Paul Brook <paul@codesourcery.com>
2353 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2356 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2358 PR tree-optimization/26859
2359 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2361 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2362 for the step after fold_convert.
2364 2006-03-29 Paul Brook <paul@codesourcery.com>
2366 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2367 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2369 2006-03-29 Paul Brook <paul@codesourcery.com>
2372 * targhooks.c (default_narrow_bitfield): New fuction.
2373 * targhooks.h (default_narrow_bitfield): add prototype.
2374 * target.h (gcc_target): Add narrow_volatile_bitfield.
2375 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2376 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2377 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2378 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2380 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2382 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2384 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2385 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2386 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2387 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2388 (s390_function_arg_float): Allow SDmode and DDmode values to be
2389 passed in floating point registers.
2390 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2391 check with SCALAR_FLOAT_MODE_P.
2392 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2394 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2396 PR tree-optimization/25985
2397 * tree-ssa-loop-niter.c (number_of_iterations_le,
2398 number_of_iterations_ne): Make comments more precise.
2399 (number_of_iterations_cond): Add only_exit argument. Use the
2400 fact that signed variables do not overflow only when only_exit
2402 (loop_only_exit_p): New.
2403 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2404 number_of_iterations_cond.
2406 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2408 PR tree-optimization/26643
2409 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2412 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2414 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2415 (divsi3_i4_int): Likewise.
2417 2006-03-28 Roger Sayle <roger@eyesopen.com>
2419 * expr.c (emit_group_store): Only create a new pseudo reg if the
2420 quantity it needs to hold isn't already a suitable pseudo.
2422 2006-03-28 Jeff Law <law@redhat.com>
2424 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2425 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2427 2006-03-28 Roger Sayle <roger@eyesopen.com>
2429 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2430 the equivalent ~X & Y, and the symmetry related transformations.
2431 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2432 ~X & Y, and symmetry related transforms.
2434 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2436 Revert my 2006-03-27 patches.
2438 2006-03-28 Roger Sayle <roger@eyesopen.com>
2440 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2441 ~(T1)X, when T1 and T2 are integer types of the same precision
2442 and (T2)X isn't an extension.
2444 2006-03-28 Jeff Law <law@redhat.com>
2446 PR tree-optimization/26796
2447 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2448 need EH edge cleanups rather than purging them immediately.
2449 (eliminate_degenerate_phis): Handle queued EH cleanups.
2451 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2453 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2456 2006-03-27 Roger Sayle <roger@eyesopen.com>
2459 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2460 cast BIT_NOT_EXPR operand to the correct type.
2462 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2464 * tree-loop-linear.c: Don't include varray.h.
2465 (gather_interchange_stats, try_interchange_loops,
2466 linear_transform_loops): Use VEC instead of VARRAY.
2467 * lambda-mat.c: Don't include varray.h.
2468 * tree-chrec.c: Same.
2469 * lambda-trans.c: Same.
2470 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2471 VEC instead of VARRAY.
2472 * tree-vectorizer.h: Idem.
2473 * tree-data-ref.c (dump_data_references,
2474 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2475 initialize_data_dependence_relation, finalize_ddr_dependent,
2476 compute_all_dependences, find_data_references_in_loop,
2477 compute_data_dependences_for_loop, analyze_all_data_dependences,
2478 free_dependence_relation, free_dependence_relations,
2479 free_data_refs): Idem.
2480 * tree-data-ref.h (data_reference_p, subscript_p): New.
2481 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2482 VEC instead of VARRAY.
2483 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2484 (find_data_references_in_loop, compute_data_dependences_for_loop,
2485 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2486 dump_data_dependence_relations, free_dependence_relations,
2487 free_data_refs): Adjust declaration.
2488 (lambda_transform_legal_p): Move declaration here...
2489 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2490 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2491 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2492 vect_analyze_data_refs): Use VEC instead of VARRAY.
2493 * lambda.h (lambda_transform_legal_p): ...from here.
2494 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2495 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2496 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2497 tree-chrec.o): Don't depend on VARRAY_H.
2499 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2501 * rtl.def (Copyright): Update date.
2502 (DEPS_LIST): Change type of the second operand to 'int'.
2503 * target.h (Copyright): Update date.
2504 (struct gcc_target.speculate_insn): Change type of the second parameter
2506 * lists.c (Copyright): Update date.
2507 (alloc_DEPS_LIST): Change signature. Update reference to the second
2508 operand of the DEPS_LIST.
2509 (copy_DEPS_LIST_list): Update reference to the second operand of the
2511 * rtl.h (Copyright): Update date.
2512 (alloc_DEPS_LIST): Update signature.
2513 * sched-int.h (Copyright): Update date.
2514 (ds_t): Change typedef to 'int'.
2515 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2517 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2519 * haifa-sched.c (Copyright): Update date.
2520 (try_ready): Change condition to restore non-speculative pattern
2522 (process_insn_depend_be_in_spec): Code to keep probability of the
2523 speculative dependence non-decreasing.
2525 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2527 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2528 shut up the compiler.
2530 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2532 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2533 to use lib prefix for target.
2534 ($(T)libic_invalidate_array_4-200.a): Likewise.
2535 ($(T)libic_invalidate_array_4a.a): Likewise.
2537 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2538 J"orn Rennecke <joern.rennecke@st.com>
2540 * superh.opt: New file.
2541 * sh.c (boardtype, osruntime): Remove.
2542 * superh.h (SUBTARGET_OPTIONS): Remove.
2543 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2545 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2546 arguments with ^ and/or [].
2548 * config.gcc (sh-*-*): Add quoting to account for quirk of
2550 Replace == with = in enable_incomplete_targets test.
2552 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2553 with MASK_LITTLE_ENDIAN.
2555 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2556 * config/sh/sh.opt: Added to some comments.
2557 * config/sh/superh.h: Removed some chaff.
2559 * config/sh/sh.opt: Add m4-[1234]00* options.
2560 * config/sh/sh.c (sh_handle_option): Likewise.
2561 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2562 (ic_invalidate_array_4-100.o): New rule.
2563 ($(T)libic_invalidate_array_4-100.a): Likewise.
2564 (ic_invalidate_array_4-200.o): Likewise.
2565 ($(T)libic_invalidate_array_4-200.a): Likewise.
2566 (ic_invalidate_array_4a.o): Likewise.
2567 ($(T)libic_invalidate_array_4a.a): Likewise.
2568 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2569 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2571 * config/sh/crt1.asm: Merged in profiling code.
2572 * config/sh/superh.h (STARTFILE_SPEC): Override.
2573 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2574 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2575 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2577 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2578 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2579 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2581 * sh.opt (mpretend-cmove): New option.
2582 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2583 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2584 (movsicc): Add TARGET_PRETEND_CMOVE code.
2586 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2588 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2589 s390_class_max_nregs): New function prototypes.
2590 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2591 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2592 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2593 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2595 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2597 * dwarf2out.c (add_location_or_const_value_attribute): Call
2598 tree_add_const_value_attribute if nothing else works.
2599 (reference_to_unused): New.
2600 (rtl_for_decl_init): Use reference_to_unused to decide whether
2601 to output an initializer.
2603 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2606 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2607 peephole removing spe frob_di_df_2.
2609 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2611 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2612 (subscript_dependence_tester_1): Declared.
2613 (print_dir_vectors, print_dist_vectors): New.
2614 (debug_data_dependence_relation): New.
2615 (dump_data_dependence_relation): Print more details.
2616 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2617 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2618 (save_dist_v, save_dir_v, add_outer_distances,
2619 build_classic_dist_vector_1): New.
2620 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2621 Don't test for lambda_vector_lexico_pos.
2622 (same_access_functions, add_multivariate_self_dist,
2623 add_other_self_distances, dir_from_dist): New.
2624 (build_classic_dir_vector): Replace implementation almost identical to
2625 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2627 (subscript_dependence_tester_1): New.
2628 (subscript_dependence_tester): Handle the lexicographically negative
2629 distance vectors by recomputing the dependence relation.
2630 (compute_affine_dependence): Remove parameter loop_nest_depth.
2631 (compute_self_dependence): Don't call compute_subscript_distance.
2632 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2633 Add a parameter for the loop_nest.
2634 (find_loop_nest_1, find_loop_nest): New.
2635 (compute_data_dependences_for_loop): Compute the loop nest, and give
2636 up if the nest is not well formed.
2637 * tree-data-ref.h (loop_p): New.
2638 (struct data_dependence_relation): Replace size_vect field with
2639 loop_nest, a vec of loops.
2640 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2641 (DDR_LOOP_NEST): New.
2642 (print_dir_vectors, print_dist_vectors,
2643 debug_data_dependence_relation): Declared.
2644 (index_in_loop_nest): New.
2645 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2646 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2649 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2651 * simplify-rtx.c (simplify_relational_operation): Call
2652 simplify_relational_operation_1 even if mode is VOIDmode.
2654 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2656 PR tree-optimization/26804
2657 * tree.h (DECL_CALL_CLOBBERED): New macro.
2658 (tree_decl_common): Add call_clobbered_flag.
2659 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2660 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2661 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2662 (mark_non_addressable): Ditto.
2663 * tree-ssa.c (verify_call_clobbered): New function.
2664 (verify_alias_info): Use it.
2665 * tree-pass.h (pass_reset_cc_flags): New prototype.
2666 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2667 (reset_cc_flags): New function.
2668 * passes.c (init_optimization_passes): Call reset_cc_flags after
2669 initializing referenced_vars.
2671 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2672 Roger Sayle <roger@eyesopen.com>
2675 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2676 to 1.0 for non-real operands. Implement A / A optimization for
2679 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2681 * config/i386/i386.c (size_cost): Correct the comment for
2682 cost of storing fp registers.
2683 (i386_cost): Likewise.
2684 (i486_cost): Likewise.
2685 (pentium_cost): Likewise.
2686 (pentiumpro_cost): Likewise.
2687 (k6_cost): Likewise.
2688 (athlon_cost): Likewise.
2689 (k8_cost): Likewise.
2690 (pentium4_cost): Likewise.
2691 (nocona_cost): Likewise.
2692 (generic64_cost): Likewise.
2693 (generic32_cost): Likewise.
2695 2006-03-24 Denis Chertykov <denisc@overta.ru>
2697 * config/avr/avr-protos.h (extra_constraint): Delete.
2698 (extra_constraint_Q): New declaration.
2699 * config/avr/constraints.md: New file.
2700 * config/avr/avr.md: Include it.
2701 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2702 (TMP_REGNO, ZERO_REGNO): Likewise.
2703 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2704 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2705 (extra_constraint): Delete.
2706 (extra_constraint_Q): Test for memory constraint 'Q'.
2707 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2708 (REG_CLASS_FROM_LETTER): Delete.
2709 (CONST_OK_FOR_LETTER_P): Delete.
2710 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2711 (EXTRA_CONSTRAINT): Delete.
2712 (TMP_REGNO): Delete.
2713 (ZERO_REGNO): Delete.
2715 2006-03-24 Jeff Law <law@redhat.com>
2717 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2718 directly. Call mark_new_vars_to_rename slightly earlier.
2720 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2722 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2724 (gen_compile_unit_die): Use new language types for Objective-C and
2726 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2727 DW_LANG_C_plus_plus.
2730 * config/t-darwin (crt3.o): Work around bug 26840.
2731 * config/darwin-crt3.c: Rewrite.
2732 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2734 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2736 * doc/invoke.texi: Document -femit-class-debug-always
2737 * common.opt: Add -femit-class-debug-always.
2739 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2741 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2742 index and base register.
2743 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2744 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2745 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2746 REGNO_OK_FOR_INDEX_P.
2747 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2749 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2750 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2751 REG_OK_FOR_BASE_P): Definitions removed.
2753 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2756 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2757 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2758 set yet or weren't marked as local yet.
2760 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2762 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2765 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2767 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2768 (rs6000_legitimate_small_data_p): Delete.
2769 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2770 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2771 and make static. Add forward declaration. Update uses.
2772 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2773 of offsettable_memref_p.
2774 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2775 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2777 2006-03-24 Jeff Law <law@redhat.com>
2779 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2780 around bug in immediate-use iterator.
2782 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2785 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2786 or __LITTLE_ENDIAN__.
2788 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2790 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2791 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2792 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2793 * config/sh/sh.opt (mdiv=): Amend description.
2794 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2795 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2796 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2797 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2798 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2799 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2800 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2801 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2802 TARGET_DIVIDE_CALL_FP.
2804 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2806 * haifa-sched.c (choose_ready): Fix type of the local variable.
2807 Move local variables. Add comment.
2808 (check_reg_live): Change signature. Make callable from debugger.
2809 * sched-int.h (check_reg_live): Update signature.
2810 * sched-ebb.c (check_reg_live): Update parameters.
2811 * sched-rgn.c (check_reg_live): Ditto.
2812 (region_head_or_leaf_p): Check pointer before dereferencing.
2813 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2814 before reload on optimization levels below 1.
2816 2006-03-23 Richard Henderson <rth@redhat.com>
2818 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2822 * config/alpha/predicates.md (local_symbolic_operand): Reject
2825 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2828 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2829 expressions which have overflowed constants.
2831 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2833 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2835 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2837 * cfgloopmanip.c (create_loop_notes): Removed.
2838 * final.c (final_scan_insn): Do not handle loop notes.
2839 * jump.c (squeeze_notes): Ditto.
2840 * cfglayout.c (skip_insns_after_block,
2841 duplicate_insn_chain): Ditto.
2842 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2844 * cfgloop.h (create_loop_notes): Declaration removed.
2846 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2848 * varasm.c (output_constant_pool): Restore fnname and fndecl
2850 (assemble_start_function): Adjust call accordingly.
2851 (assemble_end_function): Likewise.
2853 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2856 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2859 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2861 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2864 * system.h (ICE_EXIT_CODE): New macro.
2865 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2866 (diagnostic_action_after_output): Likewise.
2867 * gcc.c (fatal_ice): New function.
2868 (execute): Use it instead of fatal.
2869 (fancy_abort): Likewise.
2870 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2872 2006-03-22 Jeff Law <law@redhat.com>
2874 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2875 iv_analyze_result returning false.
2877 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2879 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2881 2006-03-22 Richard Henderson <rth@redhat.com>
2884 * except.c (duplicate_eh_regions_0): New.
2885 (duplicate_eh_region_1): Duplicate the children of the node as
2886 well as the node itself. Link them up properly.
2887 (duplicate_eh_region_2): Merge into ...
2888 (duplicate_eh_regions): ... here. Take copy_region argument, and
2889 copy only a sub-tree if asked. Simplify copying and fixup.
2890 (eh_region_outer_p): New.
2891 * except.h (duplicate_eh_regions): Update decl.
2892 (eh_region_outer_p): Declare.
2893 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2894 (lower_omp_master): Likewise.
2895 (lower_omp_ordered): Likewise.
2896 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2897 (move_stmt_r): Use it to remap labels. Handle recursion vs
2898 remap_decls_p properly.
2899 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2900 (find_outermost_region_in_block): New.
2901 (new_label_mapper): New.
2902 (move_sese_region_to_fn): Copy eh information to the new function
2904 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2906 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2909 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2911 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2912 into shared libraries.
2914 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2916 * doc/md.texi: Refer to i386/constraints.md instead of
2918 * config/i386/constraints.md: New file, extracted from...
2919 * config/i386/predicates.md: ...here.
2920 * config/i386/i386.md: Include constraints.md.
2922 2006-03-21 Jason Merrill <jason@redhat.com>
2924 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2927 * expr.c (init_block_move_fn): Force default visibility.
2928 (init_block_clear_fn): Likewise.
2929 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2930 * targhooks.c (default_external_stack_protect_fail): Likewise.
2932 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2934 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2935 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2936 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2937 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2938 (loadgp): Use mips_current_loadgp_style.
2939 (loadgp_noshared): New pattern.
2940 (sibcall_internal): Use MIPS_CALL.
2941 (sibcall_value_internal): Likewise.
2942 (sibcall_value_multiple_internal): Likewise.
2943 (call_internal): Likewise.
2944 (call_value_internal): Likewise.
2945 (call_value_multiple_internal): Likewise.
2946 (call_split): Use MIPS_CALL and add an 'S' constraint.
2947 (call_value_split): Likewise.
2948 (call_value_multiple_split): Likewise.
2949 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2950 (-mshared): New option.
2951 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2952 (mips_current_loadgp_style): Declare.
2953 * config/mips/mips.c (mips_classify_symbol): Avoid using
2954 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2955 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2956 TARGET_ABSOLUTE_ABICALLS.
2957 (override_options): Adjust comments. Improve the warning that is
2958 issued when -mabicalls and -G are used together.
2959 (mips_file_start): Remove comment.
2960 (mips_current_loadgp_style): New function.
2961 (mips_gnu_local_gp): New variable.
2962 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2964 (mips_output_function_prologue): Use mips_current_laodgp_style.
2965 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2966 the cprestore instruction.
2967 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2968 live for TARGET_ABSOLUTE_ABICALLS.
2969 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2970 (ASM_SPEC): Pass down -mshared and -mno-shared.
2971 (MIPS_CALL): New macro.
2972 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2974 * doc/invoke.texi (-mabicalls): Update documentation.
2975 (-mshared): Document.
2977 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2979 * config/ia64/unwind-hpux.c: New file.
2980 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2982 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2985 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2987 2006-03-21 Jeff Law <law@redhat.com>
2989 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2990 type conversions of a VR_VARYING source to a wider type.
2992 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2994 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2995 tm_file on Solaris 10 and later.
2996 (sparc64-*-solaris2*): Likewise.
2997 (sparc-*-solaris2*): Likewise.
2998 * config/sol26.h: Rename to config/sol2-6.h.
2999 * config/sol2-10.h: New file.
3001 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3004 * tree-ssa-pre.c (create_component_ref_by_pieces):
3007 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3010 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3011 return it immediately.
3013 2006-03-21 Michael Matz <matz@suse.de>
3015 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3017 (remove_arc, add_arc): Update num_out_arcs member.
3018 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3020 (cache_presence): New function.
3021 (compare_states_for_equiv): New function.
3022 (state_is_differed): Don't take number of outargs, adjust callers.
3023 Use new invariant for speeding up.
3024 (init_equiv_class): Create initial classes based on sorted
3026 (partition_equiv_class): Don't track out_arcs_num.
3027 (evaluate_equiv_classes): Call cache_presence on all states and
3030 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3032 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3033 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3034 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3035 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3037 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3038 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3039 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3040 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3041 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3043 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3044 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3045 (REGNO_REG_CLASS): ARGP is in PREGS.
3046 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3048 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3049 to deal with those addresses.
3050 * addresses.h: New file.
3051 * caller-save.c: Include "addresses.h".
3052 (init_caller_save): Use new base_reg_class function.
3053 * rtl-factoring.c: Include "addresses.h".
3054 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3055 * recog.c: Include "addresses.h".
3056 (preprocess_constraints): Use new base_reg_class function.
3057 * regrename.c: Include "addresses.h".
3058 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3059 functions. Keep track of a new var INDEX_CODE to compute valid
3061 (replace_oldest_value_addr): Likewise.
3062 (replace_oldest_value_mem): Use base_reg_class.
3063 * reload.c: Include "addresses.h".
3064 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3065 (find_reloads): Use new base_reg_class function.
3066 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3067 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3068 all callers and prototype changed.
3069 * reload1.c: Include "addresses.h".
3070 (maybe_fix_stack_asms): Use base_reg_class.
3071 * regclass.c: Include "addresses.h".
3072 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3073 (init_reg_autoinc): Use new base_reg_class function.
3074 (record_reg_classes): Likewise.
3075 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3076 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3077 Use new args to compute necessary class.
3079 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3080 regrename.o, rtl-factoring.o): Update dependencies.
3081 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3082 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3083 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3084 REG_OK_FOR_INDEX_P): Delete documentation.
3086 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3088 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3089 from V7 to V9 for Solaris 7 and above.
3091 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3093 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3094 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3095 argument pointers may not alias any other storage.
3096 * common.opt: Define option -fargument-noalias-anything.
3097 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3098 alias semantics is specified by flag_argument_noalias > 2.
3100 2006-03-20 Jeff Law <law@redhat.com>
3102 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3103 (pass_phi_only_cprop): Declare.
3104 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3106 * tree-ssa-dom.c (degenerate_phi_result): New function.
3107 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3108 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3109 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3110 (eliminate_degenerate_phis): Likewise.
3111 (pass_phi_only_cprop): New pass descriptor.
3112 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3113 support code. Callers updated.
3114 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3115 (store_copy_prop): Likewise.
3116 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3118 2006-03-20 Jason Merrill <jason@redhat.com>
3121 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3122 (push_visibility, pop_visibility): Likewise.
3123 * c-pragma.h: Declare them.
3125 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3127 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3129 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3130 parameter and use get_ebb_head_tail.
3131 (sh_md_init_global): Adjust uses of find_regmode_weight.
3133 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3135 * function.h (struct function) <x_tail_recursion_reentry>:
3136 Rename to x_stack_check_probe_note.
3137 (tail_recursion_reentry): Rename to stack_check_probe_note.
3138 * function.c: Replace tail_recursion_reentry with
3139 stack_check_probe_note everywhere.
3140 (expand_function_start): Only emit a note for
3141 stack_check_probe_note with -fstack-protect.
3142 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3144 * emit-rtl.c (remove_unnecessary_notes): Remove.
3145 (pass_remove_unnecessary_notes): Remove.
3146 * rtl.h (remove_unnecessary_notes): Remove prototype.
3147 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3148 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3149 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3151 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3154 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3155 (valid_in_set): Handle ARRAY_REF.
3156 Change "if min_variant or VH" to asserts.
3157 (create_component_ref_by_pieces): Handle ARRAY_REF.
3158 (create_expression_by_pieces): Likewise.
3159 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3161 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3163 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3164 is operand of switch, not str[0].
3166 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3168 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3169 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3171 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3173 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3174 end of insn_extra_address_constraint declaration.
3176 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3178 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3179 (no-sum-in-toc): Same.
3180 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3182 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3183 NO_FP_IN_TOC for -fPIC instead of mask.
3185 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3186 (BOOT_LDFLAGS): Delete.
3188 * config/rs6000/t-aix52: Same.
3190 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3191 (stmsi[345678]_power): New.
3193 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3195 * config/ia64/ia64.opt: Add empty line to end of file.
3197 2006-03-17 Richard Guenther <rguenther@suse.de>
3200 * builtins.c (get_pointer_alignment): For component style references
3201 adjust alignment to the component type alignment. Make sure
3202 to adjust alignment for component access of constants.
3204 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3206 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3209 2006-03-17 Paul Brook <paul@codesourcery.com>
3211 * doc/install.texi: Docuemnt --with-mode.
3212 * config.gcc: Add --with-mode for arm*-*-*.
3213 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3215 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3217 * sh.c (max_labelno_before_reorg): New variable.
3218 (sh_reorg): Initialize it.
3219 (find_barrier): Check max_labelno_before_reorg before using
3220 label_to_alignment. Take length of explicit alignment insns
3221 into account. When seeing a UNSPECV_CONST_END, return it.
3223 * sh.c (fixup_mova): Set mode of affected label to QImode.
3224 (untangle_mova): New function.
3225 (find_barrier): Use it. Check mode of label before decrementing
3227 (sh_reorg): Likewise.
3228 Set mode of all insns back to VOIDmode.
3230 * sh.c (MOVA_LABELREF): New macro.
3231 (mova_p, fixup_mova, sh_reorg): Use it.
3232 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3233 ADDR_DIFF_VEC matches mova.
3235 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3237 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3238 with ATTRIBUTE_UNUSED.
3240 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3242 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3243 pointer, instead of assuming it is possible to derive the
3244 correct args size from a call insn.
3246 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3248 * rtl.h (CONST_INT_P): Define.
3249 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3250 instead of GET_CODE(x) == CONST_INT.
3251 (vax_rtx_costs): Likewise.
3252 (vax_output_int_move): Likewise.
3253 (vax_output_int_add): Likewise.
3254 (legitimate_constant_address_p): Likewise.
3255 (index_term_p): Likewise.
3256 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3257 * config/vax/vax.md (and<mode>3): Likewise.
3258 (ashrsi3): Likewise.
3260 (movstricthi): Likewise.
3261 (movstrictqi): Likewise.
3262 (rotrsi3): Likewise.
3263 (five unnamed insns): Likewise.
3265 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3267 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3268 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3269 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3270 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3271 Pass to ASM_OUTPUT_DWARF_OFFSET.
3272 * dwarf2out.c (debug_frame_section): New.
3273 (output_call_frame_info): Use debug_frame_section. Pass it to
3274 dw2_asm_output_offset.
3275 (output_die): Pass appropriate section to dw2_asm_output_offset.
3276 (output_compilation_unit_header): Likewise.
3277 (output_pubnames): Likewise.
3278 (output_aranges): Likewise.
3279 (enum dw_val_class): Break dw_val_class_lbl_offset into
3280 dw_val_class_lineptr and dw_val_class_macptr.
3281 (add_AT_lbl_offset): Delete.
3282 (add_AT_lineptr): New.
3283 (add_AT_macptr): New.
3284 (AT_lbl): Expect a lineptr or macptr.
3285 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3286 (attr_checksum): Likewise.
3287 (same_dw_val_p): Likewise.
3288 (size_of_die): Likewise.
3289 (value_format): Likewise.
3290 (output_die): Likewise.
3291 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3293 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3294 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3295 * config/darwin-protos.h (darwin_file_start): New.
3296 (darwin_asm_output_dwarf_offset): New.
3297 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3298 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3300 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3301 if not EH section; simplify.
3302 (darwin_file_start): New.
3303 (darwin_asm_output_dwarf_offset): New.
3304 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3306 (DEBUG_INFO_SECTION): Likewise.
3307 (DEBUG_ABBREV_SECTION): Likewise.
3308 (DEBUG_ARANGES_SECTION): Likewise.
3309 (DEBUG_MACINFO_SECTION): Likewise.
3310 (DEBUG_LINE_SECTION): Likewise.
3311 (DEBUG_LOC_SECTION): Likewise.
3312 (DEBUG_PUBNAMES_SECTION): Likewise.
3313 (DEBUG_STR_SECTION): Likewise.
3314 (DEBUG_RANGES_SECTION): Likewise.
3315 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3316 (ASM_OUTPUT_DWARF_OFFSET): New.
3318 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3320 * config.gcc (tm_defines): Always add to previous value rather
3323 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3325 * config/mips/predicates.md (splittable_const_int_operand): New,
3326 split from move_operand.
3327 (splittable_symbolic_operand): New.
3328 (move_operand): Add commentary. Use splittable_const_int_operand.
3329 Inline mips_atomic_symbolic_constant_p.
3330 * config/mips/mips.md: Add combine splitters for handling moves
3331 of splittable_const_int_operands and splittable_symbolic_operands.
3332 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3333 (mips_split_symbol): Declare.
3334 (mips_move_integer): Declare.
3335 * config/mips/mips.c (mips_split_p): Make global.
3336 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3337 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3338 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3339 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3340 (mips_offset_within_object_p): Handle block symbols.
3341 (mips_atomic_symbolic_constant_p): Delete.
3342 (mips_cannot_force_const_mem): Return false for constants that
3343 mips_legitimize_move can handle.
3344 (mips_use_blocks_for_constant_p): New function.
3345 (mips_split_symbol): Make global.
3346 (mips_move_integer): Likewise. Add a temporary register argument.
3347 (mips_legitimize_const_move): Use splittable_const_int_operand and
3348 splittable_symbolic_operand.
3349 (mips_use_anchors_for_symbol_p): New function.
3350 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3351 (mips_split_p): Declare.
3353 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3355 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3356 (mips*-*-linux*): Likewise.
3358 2006-03-16 Roger Sayle <roger@eyesopen.com>
3359 Daniel Speyer <dspeyer@wam.umd.edu>
3362 * tree-dump.c (dump_real): New function.
3363 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3364 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3365 (tree-dump.o): Add $(REAL_H) to the dependencies.
3367 2006-03-16 Roger Sayle <roger@eyesopen.com>
3370 * real.c (real_from_string): If the mantissa is zero, don't bother
3371 parsing the exponent as the result should always be zero.
3373 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3375 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3377 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3379 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3380 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3381 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3382 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3383 ia64_sched_finish_global): New static functions to implement
3384 hooks from gcc_target.sched.
3385 (spec_check_no, max_uid, pending_data_specs): New static variables.
3386 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3387 ia64_spec_check_src_p): New static functions.
3388 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3389 (TARGET_SCHED_ADJUST_COST): Removed.
3390 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3391 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3392 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3393 TARGET_SCHED_GEN_CHECK,
3394 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3395 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3396 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3397 Fixed to handle speculation checks.
3398 (rtx_needs_barrier): Fixed to handle speculative loads and
3400 (ia64_variable_issue): Added code to count speculative loads and their
3402 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3404 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3406 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3408 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3409 (ia64_reorg): Reset stops_p to NULL after it is freed.
3410 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3411 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3412 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3414 (data_speculative, control_speculative, check_load): New attributes.
3415 (mov<mode>_advanced, mov<mode>_speculative,
3416 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3417 zero_extend<mode>di2_speculative,
3418 zero_extend<mode>di2_speculative_advanced): New patterns for
3419 data and control speculative loads.
3420 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3422 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3423 New pattern for data and control speculation checks.
3424 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3425 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3426 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3427 Auxiliary definitions for the patterns.
3428 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3429 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3431 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3433 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3434 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3435 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3436 New resource constraints.
3437 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3439 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3440 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3441 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3442 msched-in-control-spec, msched-ldc, msched-control-ldc,
3443 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3444 msched-prefer-non-control-spec-insns,
3445 msched-count-spec-in-critical-path): New flags to tune speculative
3447 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3448 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3449 msched-in-control-spec, msched-ldc, msched-control-ldc,
3450 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3451 msched-prefer-non-control-spec-insns,
3452 msched-count-spec-in-critical-path): Document new flags.
3454 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3456 * target.h (struct spec_info_def): New opaque declaration.
3457 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3458 speculate_insn, needs_block_p, gen_check,
3459 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3460 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3461 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3462 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3463 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3464 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3466 (TARGET_SCHED): Use new macros.
3467 * rtl.h (copy_DEPS_LIST_list): New prototype.
3468 * sched-int.h (struct sched_info): Change signature of new_ready field,
3469 adjust all initializations. New fields: add_remove_insn,
3470 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3471 region_head_or_leaf_p.
3472 (struct spec_info_def): New structure declaration.
3473 (spec_info_t): New typedef.
3474 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3475 recovery_block, orig_pat.
3476 (glat_start, glat_end): New variables declaraions.
3477 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3479 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3480 DETACH_LIFE_INFO, USE_GLAT.
3481 (enum SPEC_SCHED_FLAGS): New enumeration.
3482 (NOTE_NOTE_BB_P): New macro.
3483 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3484 attach_life_info, debug_spec_status, check_reg_live): New functions.
3485 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3486 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3488 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3489 * ddg.c (get_block_head_tail): Adjust all uses.
3490 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3491 (sms_sched_info): Initialize new fields.
3492 (contributes_to_priority): Removed.
3493 * haifa-sched.c (params.h): New include.
3494 (get_block_head_tail): Adjust all uses.
3495 (ISSUE_POINTS): New macro.
3496 (glat_start, glat_end): New global variables.
3497 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3498 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3499 old_last_basic_block, before_recovery, current_sched_info_var,
3500 rgn_n_insns, luid): New static variables.
3501 (insn_cost1): New function. Move logic from insn_cost to here.
3502 (find_insn_reg_weight1): New function. Move logic from
3503 find_insn_reg_weight to here.
3504 (reemit_notes, move_insn, max_issue): Change signature.
3505 (move_insn1): Removed.
3506 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3507 extend_bb): New static functions to support extension of scheduler's
3509 (generate_recovery_code, process_insn_depend_be_in_spec,
3510 begin_speculative_block, add_to_speculative_block,
3511 init_before_recovery, create_recovery_block, create_check_block_twin,
3512 fix_recovery_deps): New static functions to support
3513 generation of recovery code.
3514 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3515 restore_bb_notes, move_block_after_check, move_succs): New static
3516 functions to support ebb scheduling.
3517 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3518 functions to support handling of register live information.
3519 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3520 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3521 add_jump_dependencies): New static functions.
3522 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3523 consistancy checking.
3524 (debug_spec_status): New function to call from debugger.
3525 (priority): Added code to handle speculation checks.
3526 (rank_for_schedule): Added code to distinguish speculative instructions.
3527 (schedule_insn): Added code to handle speculation checks.
3528 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3529 Fixed to handle ebbs.
3530 (move_insn): Added code to handle ebb scheduling.
3531 (max_issue): Added code to use ISSUE_POINTS of instructions.
3532 (choose_ready): Added code to choose between speculative and
3533 non-speculative instructions.
3534 (schedule_block): Added code to handle ebb scheduling and scheduling of
3535 speculative instructions.
3536 (sched_init): Initialize new variables.
3537 (sched_finish): Free new variables. Print statistics.
3538 (try_ready): Added code to handle speculative instructions.
3539 * lists.c (copy_DEPS_LIST_list): New function.
3540 * sched-deps.c (extend_dependency_caches): New function. Move logic
3541 from create_dependency_caches to here.
3542 (get_dep_weak, ds_merge): Make global.
3543 * genattr.c (main): Code to output prototype for
3544 dfa_clear_single_insn_cache.
3545 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3546 (output_dfa_clean_insn_cache_func): Code to output
3547 dfa_clear_single_insn_cache function.
3548 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3550 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3552 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3553 New static variables.
3554 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3555 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3557 (ebb_sched_info): Initialize new fields.
3558 (get_block_head_tail): Adjust all uses.
3559 (compute_jump_reg_dependencies): Fixed to use glat_start.
3560 (schedule_ebb): Code to remove unreachable last block.
3561 (schedule_ebbs): Added code to update register live information.
3562 * sched-rgn.c (region_sched_info): Initialize new fields.
3563 (get_block_head_tail): Adjust all uses.
3564 (last_was_jump): Removed. Adjust users.
3565 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3566 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3567 Implement new hooks.
3568 (check_dead_notes1): New static function.
3569 (struct region): New fields: dont_calc_deps, has_real_ebb.
3570 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3571 (BB_TO_BLOCK): Fixed to handle EBBs.
3572 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3573 (ebb_head): New static variable.
3574 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3575 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3577 (compute_dom_prob_ps): New assertion.
3578 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3579 global_live_at_start.
3580 (init_ready_list): New assertions.
3581 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3582 (new_ready): Add support for BEGIN_CONTROL speculation.
3583 (schedule_insns): Fixed code that updates register live information
3585 (schedule_region): Fixed to handle EBBs.
3586 (init_regions): Use extend_regions and check_dead_notes1.
3587 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3588 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3589 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3590 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3591 TARGET_SCHED_GEN_CHECK,
3592 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3593 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3594 * doc/invoke.texi (max-sched-insn-conflict-delay,
3595 sched-spec-prob-cutoff): Document.
3597 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3599 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3600 inter_tick, queue_index.
3601 (struct sched_info): Change signature of init_ready_list field.
3602 Adjust all initializations.
3603 (RESOLVED_DEPS): New access macro.
3604 (ready_add): Remove prototype.
3605 (try_ready): Add prototype.
3606 * sched-rgn.c (init_ready_list): Use try_ready.
3607 (schedule_region): Initialize
3608 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3609 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3610 (init_ready_list): Use try_ready.
3611 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3612 * lists.c (remove_list_elem): Remove `static'.
3613 (remove_free_INSN_LIST_elem): New function.
3614 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3615 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3616 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3618 (readyp): New variable.
3619 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3620 change_queue_index, resolve_dep): New static functions.
3621 (try_ready): New function. Adjust callers in sched-rgn.c and
3622 sched-ebb.c to use it instead of ready_add.
3623 (clock_var): Move at the begining of file.
3624 (rank_for_schedule): Fix typo.
3625 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3626 (ready_lastpos): Enforce assertion.
3627 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3629 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3630 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3631 (queue_to_ready): Use free_INSN_LIST_list.
3632 (early_queue_to_ready): Fix typo.
3633 (schedule_block): Init readyp. Move init_ready_list call after the
3634 initialization of clock_var. Fix error in rejecting insn by
3635 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3636 that previously corrected INSN_TICKs. Add code for handling
3638 (set_priorities): Fix typo.
3639 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3640 Clarify comment and code that keeps current_sched_info->next_tail
3643 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3645 * sched-rgn.c (extend_rgns): New static function.
3646 (find_rgns): Use it.
3647 (gather_region_statistics, print_region_statistics): New static
3649 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3650 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3652 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3653 Andrey Belevantsev <abel@ispras.ru>
3655 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3656 * lists.c (unused_deps_list): New variable.
3657 (free_list): Add assertions to verify the proper distinguishing
3658 between INSN_LISTs and DEPS_LISTs.
3659 (find_list_elem, remove_list_elem, remove_list_node): New static
3661 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3662 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3663 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3664 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3666 (free_INSN_LIST_node): Likewise.
3667 * modulo-sched.c (current_sched_info): Initialize flags field.
3668 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3669 * rtl.def (DEPS_LIST): Define.
3670 * rtl.h: Declare new functions from lists.c.
3671 * sched-deps.c (spec_dependency_cache): New static variable.
3672 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3673 (add_dependence): Change return type to void. Move the logic to ...
3674 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3675 (delete_all_dependences): Add comment about forward_dependency_cache.
3676 Handle spec_dependency_cache. Handle DEPS_LISTs.
3677 (fixup_sched_groups): Clarify the change of priority of output
3678 and anti dependencies.
3679 (sched_analyze_2): Adjust add_dependence calls to create data
3680 speculative dependence.
3681 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3682 Adjust all callers. Handle DEPS_LISTS.
3683 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3684 presence of speculation.
3685 (init_dependency_caches, free_dependency_caches):
3686 Handle spec_dependency_cache.
3687 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3688 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3689 New static functions.
3690 (add_or_update_back_dep, add_or_update_back_forw_dep,
3691 add_back_forw_dep, delete_back_forw_dep): New functions.
3692 * sched-int.h (ds_t, dw_t): New typedefs.
3693 (struct sched_info): Add new field flags.
3694 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3695 Prototype new sched-deps.c functions.
3696 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3697 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3698 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3699 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3700 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3701 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3703 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3705 * sched-rgn.c (current_sched_info): Initialize flags field.
3706 (schedule_insns): Initialize current_sched_info before the sched_init
3708 * sched-ebb.c (current_sched_info): Initialize flags field.
3709 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3710 Call add_or_update_back_dep instead of add_dependence.
3711 Create control speculative dependencies.
3712 (schedule_insns): Initialize current_sched_info before the sched_init
3715 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3717 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3719 (sh_fallback_frame_state): Likewise.
3721 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3723 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3724 Do switch on default_use_cxa_atexit.
3725 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3726 * config/darwin-crt3.o: New.
3727 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3728 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3729 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3731 * config/rs6000/t-darwin: Move crt2.o building to here.
3732 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3733 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3736 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3738 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3739 from '! xxx' to '!xxx' for coding-style conformance.
3740 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3741 (EXTRA_CONSTRAINT): Likewise.
3742 * config/vax/vax.md (four unnamed insns): Likewise.
3744 2006-03-15 Paul Brook <paul@codesourcery.com>
3746 * config/arm/arm.c (minipool_pad): New.
3747 (add_minipool_forward_ref): Include pool alignment padding in address
3749 (push_minipool_fix): Set minipool_pad.
3750 (minipool_pad): Ditto.
3752 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3754 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3755 instead of GET_CODE() == MEM and REG_P() instead of
3757 (print_operand_address): Likewise.
3758 (vax_address_cost): Likewise.
3759 (vax_rtx_costs): Likewise.
3760 (vax_notice_update_cc): Likewise.
3761 (vax_output_int_add): Likewise.
3762 (INDEX_REGISTER_P): Likewise.
3763 (BASE_REGISTER_P): Likewise.
3764 (nonindexed_address_p): Likewise.
3765 (vax_mode_dependent_address_p): Likewise.
3766 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3767 (PRINT_OPERAND): Likewise.
3768 * config/vax/vax.md (ashlsi3): Likewise.
3769 (ashlsi3): Likewise.
3770 (some more unnamed insns): Likewise.
3772 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3774 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3775 iterator-style macro.
3776 (mark_control_dependent_edges_necessary): Update the use of
3777 EXECUTE_IF_CONTROL_DEPENDENT.
3779 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3781 * config/sh/predicates.md (cache_address_operand): Special.
3782 (ua_address_operand): Likewise.
3784 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3786 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3788 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3790 2006-03-15 Andreas Schwab <schwab@suse.de>
3792 * gensupport.c (identify_predicable_attribute): Don't free p_false
3793 when it is still in use.
3795 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3797 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3798 the default setting here.
3800 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3802 * tree-pass.h (pass_cfg): Remove.
3803 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3804 * passes.c (pass_cfg): Don't run it.
3806 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3808 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3809 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3811 (stack_regs_mentioned): Update the uses of
3812 stack_regs_mentioned_data. Don't access the array beyond its
3814 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3815 Don't include gt-reg-stack.h.
3817 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3818 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3820 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3823 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3826 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3828 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3830 2006-03-14 Richard Guenther <rguenther@suse.de>
3832 PR tree-optimization/26672
3833 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3836 2006-03-14 Richard Guenther <rguenther@suse.de>
3838 PR tree-optimization/26667
3839 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3840 node for the callees. Always allow inlining if it will shrink
3843 2006-03-14 Richard Guenther <rguenther@suse.de>
3846 * builtins.c (get_pointer_alignment): Prefer alignment
3847 information from decls over that from types.
3849 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3852 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3854 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3856 * config/rs6000/rs6000.opt (mdlmzb): New option.
3857 (msched-prolog, msched-epilog): Use Var not Mask.
3858 * doc/invoke.texi (-mdlmzb): Document.
3859 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3861 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3862 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3864 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3866 PR rtl-optimization/25739
3867 * bt-load.c (augment_live_range): Free tos pointer.
3869 * gensupport.c (identify_predicable_attribute): Free
3871 * gcov.c (create_file_names): Free name pointer.
3873 2006-03-13 Roger Sayle <roger@eyesopen.com>
3876 * stmt.c (emit_case_nodes): Handle the case where the index is a
3877 CONST_INT, where the comparison mode is specified by the index type.
3879 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3881 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3884 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3886 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3887 (*branch_fp_inverted): Likewise.
3889 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3892 * omp-low.c (expand_omp_for_generic): Mark istart0
3893 and iend0 as addressable.
3895 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3897 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3899 2006-03-13 Jeff Law <law@redhat.com>
3901 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3902 virtual operands are interesting.
3903 (vrp_visit_stmt): Corresponding changes.
3905 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3907 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3909 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3910 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3911 * config/bfin/crti.S: Use it instead of __PIC__.
3912 * config/bfin/crtn.S: Likewise.
3914 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3915 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3917 Lose 'G' modifier for call operand.
3918 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3919 recognize 'G' modifier.
3921 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3924 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3925 * stmt.c (expand_case): Likewise.
3927 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3929 PR rtl-optimization/26254
3930 * loop-invariant.c (seq_insns_valid_p): New function.
3931 (move_invariant_reg): Only emit new code if it is valid.
3933 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3935 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3937 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3938 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3939 (commit_one_edge_insertion): Do not look for loop notes.
3941 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3943 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3944 flag_test_coverage out of loop.
3946 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3948 * final.c (shorten_branches): Remove outdated comment, and turn
3949 the if branch that guards it to continue.
3951 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3953 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3954 * cfgloop.h (struct loop): Remove unused fields.
3956 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3958 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3959 (-dL, -fdump-rtl-loop2): Update the dump file names
3961 * doc/invoke.texi: Update dump file names.
3963 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3965 * predict.c (estimate_probability): Remove.
3966 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3967 * basic-block.h (estimate_probability): Remove prototype.
3968 * passes.c (finish_optimization_passes): Dump branch prediction or
3969 profiling heuristics to the .profile tree dump.
3970 (init_optimization_passes): Unqueue pass_branch_prob.
3972 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3974 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3976 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3977 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3979 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3981 * function.h (frame_offset_overflow): Declare.
3982 * function.c (frame_offset_overflow): New function.
3983 (assign_stack_local_1): Call it to detect that the offset overflows.
3984 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3986 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3988 * config/sh/sh.c: Include alloc-pool.h.
3989 (label_ref_list_pool): New alloc pool.
3990 (label_ref_list_t): New type for lists of labels.
3991 (struct pool_node): Make wend a label_ref_list_t.
3992 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3994 (dump_table): Likewise.
3995 (sh_reorg): Set up the alloc pool before using add_constant and
3996 dump_table, and destroy it when finishing.
3998 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4000 * config/mips/mips.c: Remove redundant comment.
4002 2006-03-10 Jason Merrill <jason@redhat.com>
4005 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4006 the target was declared 'register'.
4008 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4010 * genpreds.c (write_insn_constraint_len): Change definition of
4011 insn_constraint_len to return size_t to match the declaration.
4013 2006-03-10 DJ Delorie <dj@redhat.com>
4015 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4017 (m32c_expand_insv): Fix test for an AND mask.
4019 2006-03-10 Richard Guenther <rguenther@suse.de>
4022 * builtins.c (get_pointer_alignment): Handle component
4023 references for field alignment.
4025 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4027 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4028 when building with libgloss.
4029 (sh*elf): Implement --without-fp option.
4030 (sh64-superh-linux*): Don't multilib.
4032 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4034 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4036 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4038 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4039 Set it when one of the replacement functions returned true.
4040 Return TODO_cleanup_cfg if cfgchanged is true.
4041 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4043 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4045 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4046 instead of gen_lowpart.
4048 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4050 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4052 (mips_output_order_conditional_branch): Declare.
4053 * config/mips/mips.h (MIPS_BRANCH): New macro.
4054 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4055 for the comparison. Use gen_condjump.
4056 (mips_output_conditional_branch): Rework interface to take the
4057 asm templates for a direct branch and the inverse of a direct branch.
4058 (mips_output_order_conditional_branch): New function.
4059 (mips_builtin_branch_and_move): New function.
4060 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4061 branch condition. Use gen_single_cc as the condition for
4062 __builtin_mips_upper_* or __builtin_mips_lower_*.
4063 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4064 Use VOIDmode for the branch condition.
4065 * config/mips/predicates.md (order_operator): New predicate.
4066 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4067 (branch_fp): Rename to...
4068 (*branch_fp): ...this. Remove mode from comparison operator.
4069 Use new mips_output_conditional_branch interface.
4070 (branch_fp_inverted): Rename to...
4071 (*branch_fp_inverted): ...this and update as for *branch_fp.
4072 (*branch_zero<mode>): Rename to...
4073 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4074 Use mips_output_order_conditional_branch. Only accept ordered
4076 (*branch_zero<mode>_inverted): Rename to...
4077 (*branch_order<mode>_inverted): ...this and update as for
4078 *branch_order<mode>.
4079 (*branch_equality<mode>): Accept zero as the second operand to
4080 the equality operator. Use the new mips_output_conditional_branch
4082 (*branch_equality<mode>_inverted): Likewise.
4083 (condjump): New expander.
4084 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4086 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4087 (bc1any2t, bc1any2f): Likewise.
4088 (single_cc): New expander.
4089 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4091 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4093 * doc/md.texi: Update documentation of MIPS constraints.
4094 * config/mips/constraints.md: New file.
4095 * config/mips/mips.md: Include it.
4096 * config/mips/mips.c (mips_char_to_class): Delete.
4097 (override_options): Don't initialize mips_char_to_class.
4098 * config/mips/mips.h (mips_char_to_class): Delete.
4099 (REG_CLASS_FROM_LETTER): Delete.
4100 (CONST_OK_FOR_LETTER_P): Delete.
4101 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4102 (EXTRA_CONSTRAINT_Y): Delete.
4103 (EXTRA_CONSTRAINT_STR): Delete.
4104 (CONSTRAINT_LEN): Delete.
4105 (EXTRA_MEMORY_CONSTRAINT): Delete.
4107 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4109 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4110 original fn's eh regions.
4112 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4114 * fold-const.c (build_range_check): Make sure to use a valid type to
4115 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4118 (range_predecessor): New static function.
4119 (range_successor): Likewise.
4120 (merge_ranges): Use them to compute predecessors and successors of
4123 2006-03-09 Roger Sayle <roger@eyesopen.com>
4126 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4127 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4129 2006-03-08 DJ Delorie <dj@redhat.com>
4131 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4132 (addpsi3): Expand to include memory operands. Remove
4133 reload-specific splits.
4134 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4135 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4136 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4137 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4138 (shift1_qi, shift1_hi, insv): New.
4139 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4140 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4141 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4143 * config/m32c/m32c-protos.h: Update as needed.
4144 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4145 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4146 Fail for unrecognized R* constraints.
4147 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4148 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4149 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4151 (m32c_init_libfuncs): New.
4152 (m32c_legitimate_address_p): Add debug wrapper.
4153 (m32c_rtx_costs): New.
4154 (m32c_address_cost): New.
4155 (conversions): Add 'B' prefix.
4156 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4157 operands, or word regnames for QI operands. 'B' prints bit
4159 (m32c_expand_setmemhi): New.
4160 (m32c_expand_movmemhi): New.
4161 (m32c_expand_movstr): New.
4162 (m32c_expand_cmpstr): New.
4163 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4164 (m32c_expand_neg_mulpsi3): Handle non-ints.
4165 (m32c_cmp_flg_0): New.
4166 (m32c_expand_movcc): New.
4167 (m32c_expand_insv): New.
4168 (m32c_scc_pattern): New.
4169 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4170 a0/a1 out of SIregs.
4171 (STORE_FLAG_VALUE): New.
4172 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4175 * config/m32c/mov.md: Make constraints more liberal.
4176 (zero_extendqihi2): Optimize r0/r1 case.
4177 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4178 * config/m32c/predicates.md (m32c_any_operand): New.
4179 (m32c_nonimmediate_operand): New.
4180 (m32c_hl_operand): New.
4181 (m32c_r3_operand): New.
4184 (memsym_operand): New.
4185 (memimmed_operand): New.
4186 (a_qi_operand): New.
4187 (m32c_eqne_operator): New.
4188 (m32c_1bit8_operand): New.
4189 (m32c_1bit16_operand): New.
4190 (m32c_1mask8_operand): New.
4191 (m32c_1mask16_operand): New.
4192 * config/m32c/blkmov.md: New file.
4193 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4195 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4197 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4198 unsigned to fix signed/unsigned comparison issue in
4199 DWARF2_FRAME_REG_OUT.
4200 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4201 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4203 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4204 of ptr into the ENABLE_CHECKING section.
4206 2006-03-08 Jeff Law <law@redhat.com>
4208 * tree-vrp.c (infer_value_range): Only count pointer uses
4209 and dereferences if -fdelete-null-pointer-checks is enabled.
4211 * tree-vrp.c (find_assert_locations): Infer value ranges for
4212 single use pointers, but do not create ASSERT_EXPRs for them.
4213 When a non-null range is inferred for a pointer, backwards
4214 propagate that range to other equivalent pointers through the
4217 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4220 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4221 language hook targets.
4222 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4223 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4224 if language hook targets were missing.
4226 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4228 * tree-ssa-opfinalize.h: Removed.
4229 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4231 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4232 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4233 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4234 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4235 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4236 finalize_ssa_v_must_def_ops): New.
4238 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4240 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4243 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4245 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4247 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4248 addresses with offsets; reorganize.
4250 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4251 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4252 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4254 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4257 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4259 2006-03-08 Ben Elliston <bje@au.ibm.com>
4261 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4263 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4266 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4269 2006-03-07 Richard Guenther <rguenther@suse.de>
4271 PR tree-optimization/26587
4272 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4274 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4276 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4278 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4280 * hooks.c (hook_bool_mode_rtx_true): New function.
4281 * hooks.h (hook_bool_mode_rtx_true): Declare.
4282 * toplev.c (compile_file): Call output_shared_constant_pool.
4283 * varasm.c (shared_constant_pool): New variable.
4284 (assemble_start_function, assemble_end_function): Remove arguments
4285 from call to output_constant_pool.
4286 (create_constant_pool): New function, split out from...
4287 (init_varasm_status): ...here.
4288 (force_const_mem): Choose between the shared and per-function constant
4289 pools. Set current_function_uses_const_pool when reusing old entries
4290 as well as when creating new ones.
4291 (mark_constant): Ignore data argument.
4292 (mark_constants): Remove pool argument.
4293 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4294 to decide whether the function uses a constant pool.
4295 (output_constant_pool_contents): New function, split out from...
4296 (output_constant_pool): ...here.
4297 (output_shared_constant_pool): New function.
4298 (init_varasm_once): Initialize shared_constant_pool.
4299 * output.h (output_constant_pool): Delete.
4300 (output_shared_constant_pool): Declare.
4301 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4302 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4304 2006-03-06 Nick Clifton <nickc@redhat.com>
4306 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4307 flag_strength_reduce.
4309 2006-03-06 Ben Elliston <bje@au.ibm.com>
4311 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4312 x86_64-*-linux* configurations.
4314 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4315 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4317 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4319 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4321 * basic-block.h: Remove the extern for
4322 rediscover_loops_after_threading.
4324 * cfgloop.c (cancel_loop): Make it static.
4325 * cfgloop.h: Remove the prototype for cancel_loop.
4327 * flow.c (recompute_reg_usage): Make it static.
4328 * rtl.h: Remove the prototype for recompute_reg_usage.
4330 * function.c (use_return_register): Make it static.
4331 * function.h: Remove the prototype.
4333 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4335 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4337 * recog.h: Remove the prototype for
4338 validate_change_maybe_volatile.
4340 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4342 * rtlanal.c (replace_reg): Remove.
4343 * rtl.h: Remove the prototype for replace_reg.
4345 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4347 * regclass.c (reg_scan_update): Remove.
4348 (reg_scan_mark_refs): Remove the last argument.
4349 * rtl.h: Remove the prototype for reg_scan_update.
4351 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4353 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4354 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4355 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4356 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4357 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4358 loop-invariant.c, omp-low.c, opts.c, passes.c,
4359 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4360 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4361 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4362 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4363 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4364 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4366 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4368 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4369 * dwarf2out.h: Remove the prototype for
4370 dwarf2out_add_library_unit_info.
4372 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4374 * tree.c (add_var_to_bind_expr): Remove.
4375 * tree.h: Remove the prototype for add_var_to_bind_expr.
4377 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4379 * regclass.c (n_non_fixed_regs): Remove.
4380 (init_reg_sets_1, globalize_reg): Remove all uses of
4382 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4384 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4386 * rtlanal.c (insns_safe_to_move_p): Remove.
4387 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4389 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4391 * expmed.c (expand_mult_add): Remove.
4392 * expr.h: Remove the prototype for expand_mult_add.
4394 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4396 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4397 and REG_SAVED_VAL_EXP constants.
4398 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4399 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4400 Handle regs stored by value.
4401 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4402 (execute_cfa_program): Handle DW_CFA_val_offset,
4403 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4404 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4405 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4406 (uw_install_context_1): Handle target regs stored by value.
4408 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4410 * tree-sra.c (tree_sra): Return todoflags;
4411 (generate_one_element): Set TODO_update_smt_usage if needed.
4412 (pass_sra): Remove TODO_update_smt_usage.
4413 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4415 (tree_ssa_forward_propagate_single_use_vars): Return
4416 TODO_update_smt_usage if we need to update SMT usage.
4417 (pass_forwprop): Remove TODO_update_smt_usage.
4419 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4421 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4422 (correct_use_link): Remove reference to get_stmt_operands.
4423 (update_stmt_operands): Likewise.
4424 (get_modify_expr_operands): New function factored out of
4425 parse_ssa_operands and get_expr_operands.
4426 Try to create V_MUST_DEFs for LHS by default.
4427 (get_expr_operands) <case MODIFY_EXPR>: Call
4428 get_modify_expr_operands.
4429 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4430 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4431 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4432 get_modify_expr_operands.
4434 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4436 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4437 * tree-flow.h: Remove the prototype for
4438 referenced_var_lookup_if_exists.
4440 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4442 PR rtl-optimization/26345
4444 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4446 2006-03-03 Roger Sayle <roger@eyesopen.com>
4448 PR tree-optimization/26524
4449 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4450 fold_convert to create a constant of the appropriate type.
4452 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4454 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4455 SYMBOL_REF_IN_BLOCK_P.
4456 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4457 of SYMBOL_FLAG_IN_BLOCK.
4458 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4459 instead of SYMBOL_REF_IN_BLOCK_P.
4460 * explow.c (use_anchored_address): Likewise.
4461 * rtl.c (rtx_size): Likewise.
4462 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4463 instead of SYMBOL_FLAG_IN_BLOCK.
4464 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4465 SYMBOL_REF_IN_BLOCK_P.
4466 (assemble_variable): Likewise.
4467 (output_constant_def_contents): Likewise.
4468 (output_constant_pool): Likewise.
4469 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4470 instead of SYMBOL_FLAG_IN_BLOCK.
4471 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4472 SYMBOL_REF_IN_BLOCK_P.
4473 (SYMBOL_REF_BLOCK): Likewise.
4474 (SYMBOL_REF_OFFSET): Likewise.
4475 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4476 SYMBOL_REF_IN_BLOCK_P.
4477 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4478 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4479 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4480 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4482 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4484 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4486 2006-03-02 Roger Sayle <roger@eyesopen.com>
4488 * simplify-rtx.c (simplify_unary_operation): When simplifying
4489 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4490 that we perform the right shift in the appropriate mode, and
4491 then extend or truncate the result to requested mode.
4493 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4495 * gengtype.c (main): Handle double_int type.
4496 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4497 * double-int.c: New file.
4498 * double-int.h: New file.
4499 * system.h: Include doubleint.h.
4500 * Makefile.in (SYSTEM_H): Include double-int.h.
4501 (double-int.o): Add.
4503 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4506 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4509 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4511 * tree-vrp.c (remove_range_assertions): Do not update statements
4514 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4516 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4518 * gcse.c (rest_of_handle_gcse): Ditto.
4519 * except.c (gate_handle_eh): Ditto.
4520 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4521 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4523 2006-03-02 Eric Christopher <echristo@apple.com>
4525 * config/i386/i386.c (machopic_output_stub): Add indirection to
4528 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4532 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4534 Sun Niagara specific optimizations.
4535 * config.gcc: Recognize niagara as target.
4536 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4537 (TARGET_CPU_niagara): Define.
4538 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4539 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4540 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4541 (ASM_CPU_SPEC): Likewise.
4542 (PROCESSOR_NIAGARA): New enum entry.
4543 (REGISTER_MOVE_COST): Handle Niagara.
4544 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4545 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4546 (sparc_override_options): Recognize "niagara", set appropriate
4547 default MASK_* values for it, and align functions to 32-bytes
4548 by default just like ULTRASPARC/ULTRASPARC3.
4549 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4550 (sparc64_initialize_trampoline): Likewise.
4551 (sparc_use_sched_lookahead): Use zero for niagara.
4552 (sparc_issue_rate): Use one for niagara.
4553 * config/sparc/niagara.md: New file.
4554 * config/sparc/sparc.md: Include it.
4555 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4556 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4557 when default cpu is niagara.
4558 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4559 (ASM_CPU_SPEC): Likewise.
4560 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4561 when default cpu is niagara.
4562 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4563 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4564 just like v9/ultrasparc/ultrasparc3.
4565 * doc/invoke.texi: Add documentation for "niagara" and improve
4566 existing documentation for ultrasparc variants.
4568 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4570 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4572 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4574 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4575 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4576 and say that only one is needed.
4577 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4578 * target.h (have_switchable_bss_sections): New hook.
4579 * explow.c (use_anchored_address): Check that the symbol is in a block.
4580 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4581 (bss_noswitch_section): New variables.
4582 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4583 (get_noswitch_section): New function.
4584 (get_block_for_section): Allow SECT to be null.
4585 (unlikely_text_section_p): Use SECTION_STYLE.
4586 (bss_initializer_p): New function.
4587 (get_variable_section): Move earlier in file. Take a new argument,
4588 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4589 Return one of the new *_sections in such cases.
4590 (get_block_for_decl): New function, extracting some logic from
4591 use_blocks_for_decl_p.
4592 (change_symbol_section): Remove in favor of...
4593 (change_symbol_block): ...this new function.
4594 (use_blocks_for_decl_p): Remove checks now performed by
4596 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4597 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4598 (emit_local, emit_bss, emit_common): ...these new functions.
4599 Return true if the alignment was honored.
4600 (emit_tls_common): New function.
4601 (asm_emit_uninitialised): Delete.
4602 (assemble_variable_noswitch): New function, split out from...
4603 (assemble_variable): ...here. Don't make decisions about common
4604 variables here. Globalize all public decls that go into non-common
4605 sections. Check whether SYMBOL_REF_BLOCK is null.
4606 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4607 (output_constant_pool): Likewise.
4608 (init_varasm_once): Initialize the new section variables.
4609 (have_global_bss_p): New function.
4610 (categorize_decl_for_section): Use bss_initializer_p.
4611 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4612 (place_block_symbol): Assert that the symbol must be in a block.
4613 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4614 (TARGET_INITIALIZER): Include it.
4615 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4616 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4617 (SECTION_MACH_DEP): Bump by two.
4618 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4619 (unnamed_section): Mention SECTION_UNNAMED in comment.
4620 (named_section): Likewise SECTION_NAMED.
4621 (noswitch_section_callback): New type.
4622 (noswitch_section): New structure.
4623 (section): Add a noswitch_section alternative.
4624 (SECTION_STYLE): New macro.
4625 (tls_comm_section, comm_section, lcomm_section): Declare.
4626 (bss_noswitch_section, have_global_bss_p): Declare.
4627 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4628 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4630 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4631 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4634 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4636 * gcc/tree-vrp.c (execute_vrp): Return value.
4637 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4638 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4639 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4640 (tree_lower_complex_O0): Ditto.
4641 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4642 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4643 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4644 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4645 (execute_tail_calls): Ditto.
4646 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4647 * gcc/tree.h (init_function_for_compilation): Ditto.
4648 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4649 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4650 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4651 * gcc/final.c (compute_alignments): Ditto.
4652 (rest_of_handle_final): Ditto.
4653 (rest_of_handle_shorten_branches): Ditto.
4654 (rest_of_clean_state): Ditto.
4655 * gcc/omp-low.c (execute_expand_omp): Ditto.
4656 (execute_lower_omp): Ditto.
4657 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4658 * gcc/ipa-reference.c (static_execute): Ditto.
4659 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4660 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4661 (rest_of_handle_machine_reorg): Ditto.
4662 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4663 * gcc/flow.c (recompute_reg_usage): Ditto.
4664 (rest_of_handle_remove_death_notes): Ditto.
4665 (rest_of_handle_life): Ditto.
4666 (rest_of_handle_flow2): Ditto.
4667 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4668 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4669 (do_ssa_store_ccp): Ditto.
4670 (execute_fold_all_builtins): Ditto.
4671 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4672 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4673 * gcc/ipa-pure-const.c (static_execute): Ditto.
4674 * gcc/cse.c (rest_of_handle_cse): Ditto.
4675 (rest_of_handle_cse2): Ditto.
4676 * gcc/web.c (rest_of_handle_web): Ditto.
4677 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4678 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4679 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4680 * gcc/tree-nrv.c (tree_nrv): Ditto.
4681 (execute_return_slot_opt): Ditto.
4682 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4683 (create_structure_vars): Ditto.
4684 * gcc/loop-init.c (rtl_loop_init): Ditto.
4685 (rtl_loop_done): Ditto.
4686 (rtl_move_loop_invariants): Ditto.
4687 (rtl_unswitch): Ditto.
4688 (rtl_unroll_and_peel_loops): Ditto.
4689 (rtl_doloop): Ditto.
4690 * gcc/gimple-low.c (lower_function_body): Ditto.
4691 (mark_used_blocks): Ditto.
4692 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4693 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4694 (cgraph_early_inlining): Ditto.
4695 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4696 * gcc/jump.c (cleanup_barriers): Ditto.
4697 (purge_line_number_notes): Ditto.
4698 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4699 (rest_of_handle_if_after_reload): Ditto.
4700 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4701 (tree_ssa_loop_im): Ditto.
4702 (tree_ssa_loop_unswitch): Ditto.
4703 (tree_vectorize): Ditto.
4704 (tree_linear_transform): Ditto.
4705 (tree_ssa_loop_ivcanon): Ditto.
4706 (tree_ssa_empty_loop): Ditto.
4707 (tree_ssa_loop_bounds): Ditto.
4708 (tree_complete_unroll): Ditto.
4709 (tree_ssa_loop_prefetch): Ditto.
4710 (tree_ssa_loop_ivopts): Ditto.
4711 (tree_ssa_loop_done): Ditto.
4712 * gcc/predict.c (tree_estimate_probability): Ditto.
4713 * gcc/recog.c (split_all_insns_noflow): Ditto.
4714 (rest_of_handle_peephole2): Ditto.
4715 (rest_of_handle_split_all_insns): Ditto.
4716 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4717 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4718 (rest_of_handle_stack_adjustments): Ditto.
4719 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4720 * gcc/function.c (instantiate_virtual_regs): Ditto.
4721 (init_function_for_compilation): Ditto.
4722 (rest_of_handle_check_leaf_regs): Ditto.
4723 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4724 (rest_of_handle_gcse): Ditto.
4725 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4726 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4727 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4728 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4729 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4730 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4731 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4732 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4733 * gcc/except.c (set_nothrow_function_flags): Ditto.
4734 (convert_to_eh_region_ranges): Ditto.
4735 (rest_of_handle_eh): Ditto.
4736 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4737 (remove_unnecessary_notes): Ditto.
4738 * gcc/except.h (set_nothrow_function_flags): Ditto.
4739 (convert_to_eh_region_ranges): Ditto.
4740 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4741 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4742 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4743 (execute_fre): Ditto.
4744 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4745 (rest_of_handle_jump2): Ditto.
4746 * gcc/tree-sra.c (tree_sra): Ditto.
4747 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4748 (execute_mudflap_function_decls): Ditto.
4749 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4750 (do_store_copy_prop): Ditto.
4751 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4752 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4753 * gcc/tree-ssa-forwprop.c
4754 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4755 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4756 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4757 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4758 (execute_late_warn_uninitialized): Ditto.
4759 * gcc/rtl.h (cleanup_barriers): Ditto.
4760 (split_all_insns_noflow): Ditto.
4761 (purge_line_number_notes): Ditto.
4762 (unshare_all_rtl): Ditto.
4763 (remove_unnecessary_notes): Ditto.
4764 (recompute_reg_usage): Ditto.
4765 (variable_tracking_main): Ditto.
4766 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4767 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4768 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4769 (execute_free_cfg_annotations): Ditto.
4770 (execute_fixup_cfg): Ditto.
4771 (execute_cleanup_cfg_pre_ipa): Ditto.
4772 (execute_cleanup_cfg_post_optimizing): Ditto.
4773 (execute_init_datastructures): Ditto.
4774 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4775 * gcc/combine.c (rest_of_handle_combine): Ditto.
4776 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4777 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4778 (rest_of_handle_reorder_blocks): Ditto.
4779 (rest_of_handle_partition_blocks): Ditto.
4780 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4781 * gcc/tree-profile.c (tree_profiling): Ditto.
4782 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4783 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4784 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4785 (rest_of_handle_sched2): Ditto.
4786 * gcc/basic-block.h (free_bb_insn): Ditto.
4787 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4788 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4789 (remove_useless_stmts): Ditto.
4790 (split_critical_edges): Ditto.
4791 (execute_warn_function_return): Ditto.
4792 (execute_warn_function_noreturn): Ditto.
4793 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4794 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4795 * gcc/passes.c (execute_one_pass): Run additional
4796 todos returned by execute function.
4797 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4800 2006-03-02 Richard Guenther <rguenther@suse.de>
4802 * tree-ssa-alias.c (find_used_portions): Consider taking
4803 the address as making the variable not write-only.
4805 2006-03-02 Nick Clifton <nickc@redhat.com>
4807 * config.gcc (default_use_cxa_atexit): Extend the description of
4808 this configure variable. Set its default value to "yes" for
4809 Linux, NetBSD and ELF targets on the assumption that they will
4810 use C libraries with the __cxa_atexit function.
4812 2006-03-02 Ben Elliston <bje@au.ibm.com>
4814 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4815 parameter as unused to suppress a build warning.
4817 2006-03-02 Ben Elliston <bje@au.ibm.com>
4819 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4822 2006-03-01 Roger Sayle <roger@eyesopen.com>
4825 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4826 declared name, the weak reference name, and the typeof name.
4827 (__gthrw): Avoid expanding the declared name suffix.
4828 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4830 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4832 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4834 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4835 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4836 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4837 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4838 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4839 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4840 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4841 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4842 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4843 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4844 (DW_END_default, DW_END_big, DW_END_little): New.
4845 (DW_END_lo_user, DW_END_hi_user): Define.
4846 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4847 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4848 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4851 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4853 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4855 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4857 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4859 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4861 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4862 to 'symbol_mem_tag'.
4864 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4867 2006-03-01 Roger Sayle <roger@eyesopen.com>
4869 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4871 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4874 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4875 MACHO_DYNAMIC_NO_PIC_P.
4876 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4878 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4881 * config/darwin-protos.h (darwin_asm_output_anchor):
4883 * config/darwin-sections.def (cstring_section):
4884 Add SECTION_MERGE to the flags.
4885 (literal4_section): Likewise.
4886 (literal8_section): Likewise.
4887 (objc_selector_refs_section): Likewise.
4888 (objc_cls_refs_section): Likewise.
4889 * config/darwin.c (darwin_asm_output_anchor): New
4891 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4893 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4895 Fix PR tree-optimization/26443
4896 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4897 to todo and PROP_tmt_usage to properties_destroyed.
4898 * tree-ssa-ccp.c (pass_ccp): Ditto.
4899 (pass_store_ccp): Ditto.
4900 * tree-ssa-dom.c (pass_dominator): Ditto.
4902 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4904 * tree-ssa-operands.c: Cleanup whitespace.
4905 (get_asm_expr_operands): Move before first invocation.
4906 (get_indirect_ref_operands): Likewise.
4907 (get_tmr_operands): Likewise.
4908 (get_call_expr_operands): Likewise.
4909 (append_def): Likewise.
4910 (append_use): Likewise.
4911 (append_v_may_def): Likewise.
4912 (append_v_must_def): Likewise.
4913 (add_call_clobber_ops): Likewise.
4914 (add_call_read_ops): Likewise.
4915 (add_stmt_operand): Likewise.
4916 (add_virtual_operand): Likewise.
4917 (build_ssa_operands): Likewise.
4919 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4924 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4925 with a call expr to ...
4926 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4928 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4930 * tree-vrp.c (extract_range_from_assert): Remove special
4931 handling for types with super-types.
4933 2006-03-01 Ben Elliston <bje@au.ibm.com>
4935 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4936 and powerpc64-*-linux* configurations.
4937 * config/t-dfprules: New file.
4939 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4940 Compile dfp-bit.c from the source directory using -DWIDTH and
4941 $DFP_CFLAGS to control the compilation of that file, rather than
4942 generating width-specific versions in the build directory.
4943 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4944 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4946 2006-02-28 Zack Weinberg <zackw@panix.com>
4948 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4951 2006-02-28 Eric Christopher <echristo@apple.com>
4953 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4954 Set up IN_LIBGCC definition of TARGET_64BIT.
4955 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4957 2006-02-28 Roger Sayle <roger@eyesopen.com>
4960 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4961 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4962 cases via the construction of "expr != 0".
4964 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4966 * alias.c (alias_invariant, alias_invariant_size): Remove.
4967 (record_base_value): Remove.
4968 (memrefs_conflict_p): Don't look at alias_invariant.
4969 (end_alias_analysis): Don't free it.
4970 * alias.h (record_base_value): Remove prototype.
4972 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4973 Adam Nemet <anemet@caviumnetworks.com>
4975 * rtl.h (truncated_to_mode): Declare it.
4976 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4977 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4978 (RTL_HOOKS_INITIALIZER): Include it.
4979 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4980 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4981 reg_truncated_to_mode.
4982 * rtlanal.c (truncated_to_mode): Define it.
4983 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4985 2006-02-28 Jeff Law <law@redhat.com>
4987 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4988 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4989 the range allowed by TYPE_PRECISION.
4991 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4993 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4995 PR tree-optimization/26419
4996 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4999 2006-02-27 Zack Weinberg <zackw@panix.com>
5001 * doc/md.texi: Fix typo in previous change.
5003 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5007 2006-02-27 Zack Weinberg <zackw@panix.com>
5009 * rtl.def (define_constraint, define_register_constraint)
5010 (define_memory_constraint, define_address_constraint): New MD forms.
5011 * gensupport.c (process_rtx): Put define_constraint etc on the
5013 * genpreds.c (process_define_predicate): Adjust comment. Validate
5014 the name, and call validate_exp to validate the expression.
5015 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5016 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5017 all callers changed.
5018 (validate_exp, needs_variable, struct constraint_data)
5019 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5020 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5021 (const_dbl_constraints, constraint_max_namelen)
5022 (have_register_constraints, have_memory_constraints)
5023 (have_address_constraints, have_address_constraints)
5024 (have_extra_constraints, have_const_int_constraints)
5025 (have_const_dbl_constraints, mangle, add_constraint)
5026 (process_define_constraint, process_define_register_constraint)
5027 (write_enum_constraint_num, write_lookup_constraint)
5028 (write_insn_constraint_len, write_regclass_for_constraint)
5029 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5030 (write_insn_extra_memory_constraint)
5031 (write_insn_extra_address_constraint)
5032 (write_satisfies_constraint_fns): New.
5033 (write_tm_preds_h): If we have new-style constraint definitions,
5034 prototype the functions generated from them, and define the
5035 old constraint interface (still used by generic code) in terms of
5037 (write_insn_preds_c): If we have new-style constraint definitions,
5038 generate all relevant functions from those definitions.
5039 (main): Handle define_constraint etc.
5040 * genoutput.c (struct constraint_data, indep_constraints)
5041 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5042 (mdep_constraint_len): New data structures and functions, defined
5043 #ifdef USE_MD_CONSTRAINTS.
5044 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5045 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5046 use new logic to validate operand constraints against constraint
5048 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5050 * defaults.h: If none of the old-style constraint macros are
5051 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5052 old-style macros; and poison REG_CLASS_FROM_LETTER,
5053 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5055 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5056 * doc/md.texi: Document new constraint-definition mechanism and the
5057 C interface it provides. Remove references to old mechanism
5058 elsewhere in the document.
5059 (Machine Constraints): Use pathnames relative to gcc directory,
5060 i.e. config/ARCH/FILE. Change i386 section to refer to
5061 config/i386/predicates.md; update that section to match docstrings.
5062 * doc/tm.texi: Move all documentation of the old constraint-
5063 definition macros to their own section, clearly mark as obsolete.
5065 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5066 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5068 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5069 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5070 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5072 (splits and peepholes): Use satisfies_constraint_*.
5073 * config/i386/i386.c (memory_address_length)
5074 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5076 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5078 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5079 scalar operation to be put back into the loop.
5081 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5084 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5085 (extract_cie_info): Handle S flag in augmentation string.
5086 (execute_cfa_program): If context->signal_frame, execute also
5087 fs->pc == context->ra instructions.
5088 (uw_frame_state_for): If context->signal_frame, don't subtract one
5089 from context->ra to find FDE.
5090 (uw_update_context_1): Set context->signal_frame to
5092 (_Unwind_GetIPInfo): New function.
5093 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5094 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5096 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5097 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5098 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5099 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5100 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5101 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5102 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5103 x86_64_fallback_frame_state): Set fs->signal_frame.
5104 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5105 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5106 (frob_update_context): Likewise. Workaround missing S flag in
5107 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5108 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5109 Remove the psw_addr + 1 hack.
5111 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5113 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5114 with aggregates here.
5115 (find_func_aliases): Remove code for &<aggregate> from here.
5117 2006-02-26 Roger Sayle <roger@eyesopen.com>
5119 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5120 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5121 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5124 2006-02-26 Roger Sayle <roger@eyesopen.com>
5127 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5129 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5131 * opts.c (decode_options): Do not handle flag_strength_reduce.
5132 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5133 and OPT_fstrength_reduce.
5134 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5135 flag_prefetch_loop_arrays for being nonzero.
5136 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5138 (fprefetch-loop-arrays-rtl): Removed.
5139 (flag_prefetch_loop_arrays): Do not specify the value.
5141 * doc/passes.texi: Update documentation of loop optimizer
5143 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5144 -frerun-loop-opt): Remove.
5146 2006-02-26 Richard Guenther <rguenther@suse.de>
5148 PR tree-optimization/26421
5149 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5150 in function calls that are ADDR_EXPRs as using the whole structure.
5152 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5154 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5155 * tree-pass.h (pass_loop_optimize): Remove.
5156 * passes.c (pass_loop_optimize): Never run it.
5157 * toplev.c (backend_init): Don't call init_loop.
5158 * opts.c (flag_loop_optimize_set): Remove.
5159 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5160 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5161 the old RTL loop optimizer when profiling enabled.
5162 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5163 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5164 pre-headers for the sake of the old RTL loop optimizer.
5165 * Makefile.in: Remove all references to loop.o.
5167 * doc/invoke.texi: Remove all references to -floop-optimize
5168 and -frerun-loop-opt.
5170 2006-02-26 Zack Weinberg <zackw@panix.com>
5172 * doc/md.texi (Machine Constraints): Refer to all files with paths
5173 relative to gcc directory (i.e. config/CPU/file). Add missing
5174 @table @code ... @end table to M32C subsection.
5176 2006-02-26 Roger Sayle <roger@eyesopen.com>
5178 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5180 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5182 2006-02-26 Roger Sayle <roger@eyesopen.com>
5183 James A. Morrison <phython@gcc.gnu.org>
5186 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5187 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5188 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5189 signedness of the shift operation.
5191 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5193 PR tree-optimization/26359
5194 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5196 2006-02-25 Roger Sayle <roger@eyesopen.com>
5198 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5199 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5200 as X == 0, and some symmetry related transformations.
5201 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5203 2006-02-25 Roger Sayle <roger@eyesopen.com>
5206 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5207 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5208 symmetry related transformations. Fold (X^C1) == C2 as
5211 2006-02-25 Juergen Weigert <jw@suse.de>
5212 Richard Guenther <rguenther@suse.de>
5214 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5216 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5218 * combine.c (gen_lowpart_or_truncate): Call
5219 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5221 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5223 * doc/invoke.texi: Move -fopenmp description to "Options for
5225 Remove reference to -lgomp.
5227 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5229 * doc/install.texi: Require GNU tar version 1.14.
5231 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5233 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5234 * doc/invoke.texi (C++ Dialect Options): Document
5235 -fno-use-cxa-get-exception-ptr.
5236 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5237 * configure: Regenerate.
5238 * c.opt (fuse-cxa-get-exception-ptr): New.
5239 * c-opts.c (c_common_handle_option): Handle
5240 OPT_fuse_cxa_get_exception_ptr.
5241 * c-common.c (flag_use_cxa_atexit): Update documentation.
5242 (flag_use_cxa_get_exception_ptr): New.
5243 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5244 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5246 (C_COMMON_OVERRIDE_OPTIONS): New.
5248 2006-02-24 Roger Sayle <roger@eyesopen.com>
5251 * combine.c (try_combine): Explicitly check whether GET_CODE is
5252 a SET or a CLOBBER, instead on checking that it isn't a USE.
5254 2006-02-24 Roger Sayle <roger@eyesopen.com>
5256 * fold-const.c (fold_comparison): New subroutine of fold_binary
5257 containing transformations common to both the equality and
5258 ordering relational operators, factored out of fold_binary.
5259 (fold_binary): Separate out the equality operators (EQ_EXPR
5260 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5261 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5262 transformations common to both.
5263 (fold_div_compare): Fix latent bugs in the previously unreachable
5264 LT_EXPR and GE_EXPR cases.
5266 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5268 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5269 decl libname for clog to __clog on AIX.
5271 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5273 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5276 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5277 output traceback table for thunks. Localise rs6000_stack_info call.
5279 2006-02-23 Roger Sayle <roger@eyesopen.com>
5280 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5282 * gthr-posix.h (__gthrw): Fix typo in comment.
5284 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5286 * doc/cpp.texi (Character sets): Document that we do support
5287 input files to be in any character set.
5289 2006-02-23 Jeff Law <law@redhat.com>
5291 * tree.h (PHI_ARG_NONZERO): Remove.
5292 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5293 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5294 node to the new node.
5296 PR tree-optimization/26425
5297 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5298 min/max, then assume its varying.
5300 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5302 PR rtl-optimization/26316
5303 * rtlanal.c (enum may_trap_p_flags): New.
5304 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5305 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5306 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5307 (may_trap_after_code_motion_p): New function.
5308 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5309 (find_invariant_insn): Use may_trap_after_code_motion_p.
5310 * rtl.h (may_trap_after_code_motion_p): Declare.
5312 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5314 * emit-rtl.c (immed_double_const): Cleanup.
5316 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5318 Fix PR tree-optimization/26376
5319 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5322 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5325 * gimplify.c (omp_add_variable): Guard variable size decl test with
5326 DECL_SIZE (decl) check.
5328 2006-02-23 Richard Guenther <rguenther@suse.de>
5331 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5332 like aggregate types.
5334 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5336 * configure.ac: Add --with{,out}-long-double-128 configure option.
5337 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5338 * configure: Rebuilt.
5339 * config.in: Rebuilt.
5340 * doc/install.texi (Options specification): Document
5341 --with-long-double-128.
5343 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5344 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5345 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5346 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5348 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5350 * config/s390/s390.c (override_options): Handle
5351 TARGET_DEFAULT_LONG_DOUBLE_128.
5353 * config/alpha/alpha.c (override_options): Handle
5354 TARGET_DEFAULT_LONG_DOUBLE_128.
5356 * config/sparc/sparc.c (sparc_override_options): Handle
5357 TARGET_DEFAULT_LONG_DOUBLE_128.
5359 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5361 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5362 (real-install-headers-tar, real-install-headers-cpio)
5363 (real-install-headers-cp): New targets.
5365 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5367 * tree.h (variable_section): Delete.
5368 * varasm.c (variable_section): Delete.
5370 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5372 * install.texi: Add notes on install.texi2html.
5373 (Building in parallel): Do not use footnotes.
5375 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5378 * doc/install.texi (Configuration): Document --disable-libgomp.
5380 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5382 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5384 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5386 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5387 (vec_extractv2df_0_sse): New.
5389 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5391 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5392 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5393 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5394 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5395 to the result of the expression.
5396 (def_cfa_1): Adjust.
5397 (frame_pointer_cfa_offset): Rename to...
5398 (frame_pointer_fb_offset): ... this. Adjust all uses.
5399 (convert_cfa_to_loc_list): Rename to...
5400 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5401 Pass it on to build_cfa_loc.
5402 (compute_frame_pointer_to_cfa_displacement): Rename to...
5403 (compute_frame_pointer_to_fb_displacement): ... this. New
5404 offset parameter. Use it in computation.
5405 (gen_subprogram_die): Compute cfa_fb_offset with the new
5406 macro, and use it to compute the fb loc list and the
5409 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5411 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5412 replaced with register_operand.
5413 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5414 non-DREG is expensive.
5415 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5416 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5419 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5421 * doc/install.texi2html: Use set -e.
5423 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5425 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5426 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5427 * doc/invoke.texi (-fshared-data): Delete.
5428 * common.opt (fshared-data): Delete.
5429 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5430 (assemble_static_space): Remove #if 0 code.
5431 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5432 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5433 * config/cris/cris.h: Remove FIXME.
5435 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5437 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5440 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5443 * combine.c (simplify_shift_const_1): Disable nested shifts
5444 optimization for vector shifts.
5446 2006-02-20 Roger Sayle <roger@eyesopen.com>
5448 PR tree-optimization/26361
5449 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5450 of unsigned integer types.
5452 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5454 * tree-chrec.c (eq_evolutions_p): New.
5455 * tree-chrec.h (eq_evolutions_p): Declared.
5456 * tree-data-ref.c: Fix formatting.
5457 (datadep_stats, dependence_stats): New.
5459 (print_direction_vector): New.
5460 (dump_data_dependence_relation): Use print_direction_vector.
5461 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5462 (compute_subscript_distance): Static.
5463 (initialize_data_dependence_relation): Static. Get the number
5464 of loops surrounding the references from the callers, and initialize
5465 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5466 base_object_differ_p analyzers.
5467 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5468 compute_overlap_steps_for_affine_1_2,
5469 analyze_subscript_affine_affine): Count the classified dependences.
5470 Print a message when a test failed.
5471 (can_use_analyze_subscript_affine_affine): New.
5472 (analyze_siv_subscript): Compute the data dependences on symbolic
5473 scevs that verify can_use_analyze_subscript_affine_affine.
5474 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5475 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5476 Handle symbolic scevs.
5477 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5479 (subscript_dependence_tester): Moved...
5480 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5481 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5482 DDR_SIZE_VECT instead of getting it in parameter.
5483 (subscript_dependence_tester): ... here. Take as a parameter
5484 loop_nest_depth. Call build_classic_dist_vector and
5485 build_classic_dir_vector.
5486 (compute_affine_dependence): Update subscript_dependence_tester
5487 parameters. Update datadep_stats counters. Call
5488 compute_subscript_distance.
5489 (compute_self_dependence): Save the dist and dir vectors. Call
5490 compute_subscript_distance.
5491 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5492 (compute_all_dependences): Reorder parameters as they were before
5493 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5494 compute_subscript_distance. Update the use of
5495 compute_affine_dependence and initialize_data_dependence_relation.
5496 (find_data_references_in_loop): Handle COMPONENT_REF.
5497 (compute_data_dependences_for_loop): Initialize dependence_stats.
5498 Don't call build_classic_dist_vector and build_classic_dir_vector.
5499 Update the parameters of initialize_data_dependence_relation and
5500 compute_all_dependences. Print the statistics from datadep_stats.
5501 (analyze_all_data_dependences): Static. Not used until the pass for
5502 checking the data dependences is contributed.
5503 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5504 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5505 (initialize_data_dependence_relation, compute_affine_dependence,
5506 analyze_all_data_dependences, compute_subscript_distance): Removed.
5507 (print_direction_vector): New.
5508 * lambda.h (gcd): ... here.
5509 (lambda_vector_gcd): Moved here from gcd_vector.
5510 * lambda-code.c (gcd, gcd_vector): Removed.
5511 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5512 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5514 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5516 * ipa-type-escape.c: Tidy some comments and white space.
5517 * tree-ssa-operands.c: Likewise.
5519 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5522 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5523 (dump_decl_name): Do not walk the decl tree chains.
5524 * tree-pass.h (TDF_CHAIN): Remove.
5526 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5528 * Makefile.in (C): Remove
5530 (.PHONY): Remove C and PROTO
5532 2006-02-20 Roger Sayle <roger@eyesopen.com>
5535 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5536 deprecated CHAR_TYPE tree code.
5538 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5540 * configure.ac (target_list): Add install-info, dvi, html.
5541 * configure: Regenerate.
5543 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5544 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5545 treelang/Make-lang.in: Do not use double-colon rules.
5547 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5549 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5550 (TMT_USED_ALONE): New macro.
5551 * tree-pass.h (PROP_tmt_usage): New property.
5552 (TODO_update_tmt_usage): New todo.
5553 * tree-ssa-alias.c (updating_used_alone): New variable.
5554 (recalculate_used_alone): New function.
5555 (compute_may_aliases): Set updating_used_alone, call
5556 recalculate_used_alone.
5557 * tree-sra.c (pass_sra): Note that this pass destroys
5558 PROP_tmt_usage, and add TODO_update_tmt_usage.
5559 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5560 * tree-flow.h (updating_used_alone): Prototype.
5561 (recalculate_used_alone): Ditto.
5562 * passes.c (execute_todo): Add code to set updating_used_alone,
5563 and call recalculate.
5564 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5565 for clobber if used alone, and add assert to verify used_alone
5568 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5570 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5571 for non tls symbols added.
5572 (legitimize_address): Do nothing for PLUS expressions if one of the
5573 addends is a tls symbol reference.
5575 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5579 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5581 * Makefile.in (BOOTSTRAPPING): New.
5582 (quickstrap): New definition if BOOTSTRAPPING=yes.
5584 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5585 * configure.ac: Substitute all_selected_languages with the languages
5586 that were configured. For all the other variables except
5587 lang_specs_files, include all the languages in the tree.
5588 * configure: Regenerate.
5590 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5591 if there is one. Run the commands to run fixincludes in the same
5594 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5595 * doc/install.texi: Document exact conventions for searching target tools.
5596 Document --with-build-time-tools. Document toplevel bootstrap. Document
5597 something more about building an Ada cross-compiler. Don't list GNU Make
5598 requirements which affect all platforms.
5600 2006-02-19 Roger Sayle <roger@eyesopen.com>
5603 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5604 only equivalent if the have both the same mode and precision.
5606 2006-02-20 Ben Elliston <bje@au.ibm.com>
5608 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5610 2006-02-19 Roger Sayle <roger@eyesopen.com>
5611 Steven Bosscher <stevenb.gcc@gmail.com>
5613 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5614 constant pool references to identify stack mode constants.
5615 * rtlanal.c (constant_pool_constant_p): New predicate to check
5616 whether operand is a floating point constant in the pool.
5617 * rtl.h (constant_pool_constant_p): Prototype here.
5618 * loop.c (scan_loop): Avoid hoisting constants from the constant
5619 pool on STACK_REGS targets.
5620 (load_mems): Likewise.
5621 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5622 loads into x87 registers expensive in terms of register pressure.
5624 2006-02-19 Roger Sayle <roger@eyesopen.com>
5626 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5627 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5629 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5631 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5632 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5634 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5636 * doc/invoke.texi: Document -fipa-pta.
5637 * common.opt: Add ipa-pta option.
5638 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5639 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5640 (do_ds_constraint): Ditto.
5641 (get_constraint_for): Only add to referenced_vars if
5642 referenced_vars exists.
5643 (insert_into_field_list): Rewrite to do this unsorted.
5644 (insert_into_field_list_sorted): Rename old insert_into_field_list
5646 (create_function_info_for): Use insert_into_field_list_sorted.
5647 (create_variable_info_for): Rewrite so it uses unsorted version,
5648 since the field list is sorted.
5649 (intra_create_variable_infos): Only add to referenced_vars if
5650 referenced_vars exists.
5651 (ipa_pta_execute): Init heapvars, and delete when done.
5652 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5654 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5656 * doc/install.texi: Add missing `@samp'.
5658 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5660 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5663 2006-02-18 Mark Wielaard <mark@klomp.org>
5665 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5666 who added new 4.1 features, bug fixes and integration support.
5668 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5671 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5674 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5676 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5677 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5678 (copy_insn_1): Likewise. Don't copy each field individually.
5680 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5682 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5683 * rtl.c (rtx_size): Rename variable to...
5684 (rtx_code_size): ...this.
5685 (rtx_size): New function.
5686 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5687 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5689 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5690 * rtl.h (rtx_code_size): New variable.
5691 (rtx_size): Change from a variable to a function.
5692 (RTX_SIZE): Rename to...
5693 (RTX_CODE_SIZE): ...this.
5696 PR tree-optimization/17106
5697 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5698 (Anchored Addresses): New section.
5699 * doc/invoke.texi (-fsection-anchors): Document.
5700 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5701 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5702 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5703 * hooks.c (hook_bool_mode_rtx_false): New function.
5704 * hooks.h (hook_bool_mode_rtx_false): Declare.
5705 * gengtype.c (create_optional_field): New function.
5706 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5707 SYMBOL_REF_IN_BLOCK_P is true.
5708 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5709 (min_anchor_offset, max_anchor_offset): Likewise.
5710 (use_anchors_for_symbol_p): New hook.
5711 * toplev.c (compile_file): Call output_object_blocks.
5712 (target_supports_section_anchors_p): New function.
5713 (process_options): Check that -fsection-anchors is only used on
5714 targets that support it and when -funit-at-a-time is in effect.
5715 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5716 if the decl doesn't have one.
5717 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5718 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5719 of force_const_mem through use_anchored_address.
5720 (expand_expr_constant): New function.
5721 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5722 calling expand_expr for INDIRECT_REF.
5723 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5724 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5725 * expr.h (use_anchored_address): Declare.
5726 * loop-unroll.c: Don't declare rtx vectors here.
5727 * explow.c: Include output.h.
5728 (validize_mem): Call use_anchored_address.
5729 (use_anchored_address): New function.
5730 * common.opt (-fsection-anchors): New switch.
5731 * varasm.c (object_block_htab, anchor_labelno): New variables.
5732 (hash_section, object_block_entry_eq, object_block_entry_hash)
5733 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5734 (use_blocks_for_decl_p, change_symbol_section): New functions.
5735 (get_variable_section): New function, split out from assemble_variable.
5736 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5737 use_blocks_for_decl_p say so. Use change_symbol_section if the
5738 symbol has already been created.
5739 (assemble_variable_contents): New function, split out from...
5740 (assemble_variable): ...here. Don't output any code for
5741 block symbols; just pass them to place_block_symbol.
5742 Use get_variable_section and assemble_variable_contents.
5743 (get_constant_alignment, get_constant_section, get_constant_size): New
5744 functions, split from output_constant_def_contents.
5745 (build_constant_desc): Create a block symbol if use_object_blocks_p
5746 says so. Or into SYMBOL_REF_FLAGS.
5747 (assemble_constant_contents): New function, split from...
5748 (output_constant_def_contents): ...here. Don't output any code
5749 for block symbols; just pass them to place_section_symbol.
5750 Use get_constant_section and get_constant_alignment.
5751 (force_const_mem): Create a block symbol if use_object_blocks_p and
5752 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5753 (output_constant_pool_1): Add an explicit alignment argument.
5754 Don't switch sections here.
5755 (output_constant_pool): Adjust call to output_constant_pool_1.
5756 Switch sections here instead. Don't output anything for block symbols;
5757 just pass them to place_block_symbol.
5758 (init_varasm_once): Initialize object_block_htab.
5759 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5760 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5761 (place_block_symbol, get_section_anchor, output_object_block)
5762 (output_object_block_htab, output_object_blocks): New functions.
5763 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5764 (TARGET_ASM_OUT): Include it.
5765 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5766 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5767 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5768 (TARGET_INITIALIZER): Include them.
5769 * rtl.c (rtl_check_failed_block_symbol): New function.
5770 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5771 (block_symbol, object_block): New structures.
5772 (rtx_def): Add a block_symbol field to the union.
5773 (BLOCK_SYMBOL_CHECK): New macro.
5774 (rtl_check_failed_block_symbol): Declare.
5775 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5776 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5777 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5778 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5779 * output.h (output_section_symbols): Declare.
5780 (object_block): Name structure.
5781 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5782 (default_use_anchors_for_symbol_p): Declare.
5783 * Makefile.in (RTL_BASE_H): Add vec.h.
5784 (explow.o): Depend on output.h.
5785 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5786 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5787 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5788 (rs6000_use_blocks_for_constant_p): New function.
5790 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5792 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5794 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5797 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5800 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5802 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5806 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5809 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5810 instead of DECL_REGISTER.
5812 2006-02-18 Olivier Hainque <hainque@adacore.com>
5815 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5817 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5820 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5821 * opth-gen.awk: Handle Var and InverseMask together.
5822 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5823 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5824 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5825 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5827 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5828 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5829 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5830 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5831 LINUX_DYNAMIC_LINKER): Define.
5832 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5833 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5835 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5836 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5837 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5839 (TARGET_C99_FUNCTIONS): Don't define.
5840 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5841 GLIBC_DYNAMIC_LINKER.
5842 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5843 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5844 GLIBC_DYNAMIC_LINKER64): Define.
5845 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5846 LINUX_DYNAMIC_LINKER64.
5847 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5848 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5849 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5850 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5851 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5852 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5853 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5854 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5855 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5856 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5857 and LINUX_DYNAMIC_LINKER32.
5858 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5859 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5860 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5861 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5862 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5864 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5865 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5866 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5867 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5868 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5869 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5870 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5871 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5872 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5873 LINUX_DYNAMIC_LINKER): Define.
5874 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5875 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5876 GLIBC_DYNAMIC_LINKER64): Define.
5877 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5878 LINUX_DYNAMIC_LINKER64.
5879 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5880 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5881 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5882 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5883 LINUX_DYNAMIC_LINKER): Define.
5884 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5885 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5886 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5887 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5888 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5889 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5890 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5891 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5892 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5893 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5894 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5895 * doc/invoke.texi (-muclibc): Remove caveat about supported
5898 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5900 * doc/cpp.texi (__TIMESTAMP__): Document.
5902 2006-02-17 Roger Sayle <roger@eyesopen.com>
5905 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5906 C is one less than the width of X (and related transformations).
5907 * simplify-rtx.c (simplify_unary_operation_1): Transform
5908 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5909 depending on STORE_FLAG_VALUE, were C is one less then the
5912 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5914 Fix PR tree-optimization/26341
5915 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5916 about NAME_MEMORY_TAG's.
5918 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5921 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5922 with hardware float support, and software float support. Add fcpy
5923 alternative to hardware patterns. Add alternatives to copy between
5924 general and floating-point registers to the 32-bit pattern.
5925 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5926 secondary reload to load a QI or HI mode constant into a floating
5928 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5929 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5931 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5934 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5936 (load_macho_picbase_di): Likewise.
5938 2006-02-16 Jeff Law <law@redhat.com>
5940 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5941 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5942 (ssa_name_nonzero_p): Likewise.
5943 (get_value_range): Return NULL if VRP is not running.
5944 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5945 VRP routines do not discover a range.
5946 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5947 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5948 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5949 (tree_expr_nonnegative_p): Similarly.
5950 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5951 (restore_nonzero_vars_to_original_value): Remove.
5952 (unsafe_associative_fp_binop): Remove.
5953 (tree_ssa_dominator_optimize): Remove initialization and
5954 finalization of nonzero_vars and nonzero_vars_stack.
5955 (dom_opt_initialize_block): No longer push marker on
5957 (dom_opt_finalize_block): No longer call
5958 restore_nonzero_vars_to_original_value.
5959 (record_equivalences_from_phis): No longer look for
5960 nonzero PHI arguments.
5961 (cprop_into_successor_phis): No longer propagate nonzero
5962 property into PHI arguments. Lose unused argument. Caller
5964 (record_equivalences_from_stmt): No longer record nonzero
5965 values for SSA_NAMEs.
5966 (lookup_avail_expr): No longer use nonzero_vars.
5968 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5969 for sizetype when sizetype is unsigned.
5971 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5973 PR rtl-optimization/25603
5974 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5975 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5976 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5977 with new meaning of SETS.
5979 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5984 * config/linux.opt: New file.
5985 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5986 LINUX_DYNAMIC_LINKER): Define.
5987 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5988 * config.gcc (*-*-linux*): Define extra_options.
5989 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5990 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5991 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5992 GLIBC_DYNAMIC_LINKER.
5993 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5994 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5995 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5996 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5997 * doc/invoke.texi (GNU/Linux Options): New section.
5999 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6001 * config/sparc/sparc.md (setjmp): Rewrite.
6002 (setjmp_32): Delete.
6003 (setjmp_64): Likewise.
6005 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6007 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6010 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6012 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6015 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6017 PR rtl-optimization/26296
6018 * Makefile.in (loop-invariant.c): Add except.h dependency.
6019 * loop-invariant.c: Include except.h.
6020 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6022 2005-02-16 Paul Brook <paul@codesourcery.com>
6024 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6027 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6029 PR rtl-optimization/25636
6030 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6031 when deciding whether an insn is an initializing insn.
6033 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6035 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6036 (tree_code_size): Ditto.
6037 * tree.h (struct tree_memory_tag): Remove parent_var.
6038 (struct tree_struct_field_tag): New.
6041 (union tree_node): Add sft member.
6042 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6044 (create_sft): Add size and offset argument, set SFT_OFFSET and
6046 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6047 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6048 * tree-flow-inline.h (get_subvar_at): Update for
6049 SFT_OFFSET/SFT_SIZE.
6050 (var_can_have_subvars): Ditto.
6051 (overlap_subvar): Ditto.
6052 * print-tree.c (print_node): Print out interesting things for
6054 * tree-flow.h (struct subvar): Remove offset and size members.
6055 * tree-ssa-operands.c (get_expr_operands): Update for
6056 get_indirect_ref_operands changes.
6057 (get_indirect_ref_operands): Call add_virtual_operand instead of
6058 add_stmt_operand. Only recurse on base var if requested.
6059 (access_can_touch_variable): New function.
6060 (add_stmt_operand): Split virtual operand handling into ...
6061 (add_virtual_operand): Here. Add offset, size, and for_clobber
6062 arguments. Prune alias sets.
6063 (add_call_clobber_ops): Call add_virtual_operand.
6065 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6068 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6070 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6071 than TREE_CODE as index into omp_clause_num_ops array.
6073 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6075 PR rtl-optimization/26184
6076 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6078 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6079 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6080 must_precede, must_follow and tobe_scheduled.
6083 * opts.c (common_handle_option): Free new_option pointer.
6084 * df-core.c (df_analyze): Free postorder pointer.
6086 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6088 * Makefile.in: Fix the examples about the use of stamps
6090 2006-02-15 Michael Matz <matz@suse.de>
6094 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6095 influenced by maximum_field_alignment or DECL_PACKED.
6096 (update_alignment_for_field): Ditto.
6097 (place_field): Ditto.
6098 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6101 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6103 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6104 (debug_flow_info): Pass it.
6105 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6106 * bb-reorder.c (reorder_basic_blocks): Likewise.
6107 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6108 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6109 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6110 * gcse.c (gcse_main, bypass_jumps): Likewise.
6111 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6112 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6113 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6114 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6115 * rtl.h (dump_flow_info): Adjust prototype.
6116 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6117 * var-tracking.c (variable_tracking_main): Likewise.
6118 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6119 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6122 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6124 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6127 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6129 PR tree-optimization/26209
6130 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6131 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6133 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6135 2006-02-14 Roger Sayle <roger@eyesopen.com>
6138 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6139 (X,Y) and the corresponding symmetry related transformations.
6140 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6141 (X,Y) and its symmetry related transformations.
6143 2006-02-14 Roger Sayle <roger@eyesopen.com>
6145 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6148 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6150 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6152 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6155 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6156 support COMDAT group.
6157 * configure: Regenerate.
6159 2006-02-14 Roger Sayle <roger@eyesopen.com>
6164 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6166 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6168 Fix PR tree-optimization/26260
6170 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6172 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6173 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6174 * tree-ssa-structalias.c (create_variable_info_for): Use
6175 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6177 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6179 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6181 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6182 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6183 of the ending condition.
6184 * tree-ssa-loop-manip.c: Include params.h.
6185 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6186 tree_unroll_loop): New functions.
6187 * tree-pass.h (pass_loop_prefetch): Declare.
6188 * loop.c (rest_of_handle_loop_optimize): Test for
6189 -fprefetch-loop-arrays-rtl.
6190 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6191 * timevar.def (TV_TREE_PREFETCH): New timevar.
6192 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6193 pass_loop_prefetch): New.
6194 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6195 (cleanup_tree_cfg_loop): Call scev_reset.
6196 * common.opt (fprefetch-loop-arrays-rtl): Add.
6197 * tree-ssa-loop-prefetch.c: New file.
6198 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6199 (new_temp_expr_table): Initialize expr_vars.
6200 (free_temp_expr_table): Cleanup expr_vars.
6201 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6202 expressions from being merged into one.
6203 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6204 (struct tree_niter_desc): Add control, bound and cmp fields.
6205 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6207 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6208 (tree-cfgcleanup.o): Add SCEV_H dependency.
6209 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6210 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6212 2006-02-14 Richard Guenther <rguenther@suse.de>
6214 PR tree-optimization/26258
6215 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6216 in PHI argument processing.
6218 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6220 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6221 new expression in the requested machine mode.
6223 2006-02-13 Roger Sayle <roger@eyesopen.com>
6225 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6226 directly, instead let do_compare_rtx_and_jump handle this for us.
6227 * expr.c (expand_expr_real_1): Likewise.
6228 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6229 before do_jump_by_parts_greater.
6230 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6231 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6233 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6235 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6237 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6239 PR rtl-optimization/26235
6240 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6241 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6244 2006-02-13 Jeff Law <law@redhat.com>
6246 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6249 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6252 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6253 twice if decl is a builtin. When trying again, call get_callee_fndecl
6254 first to verify it is still a builtin.
6256 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6258 * dwarf2out.c (base_type_die): Don't add AT_name here.
6259 (subrange_type_die): Don't add AT_name here.
6260 (modified_type_die): Rearrange code flow. Do add AT_name here.
6262 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6264 PR rtl-optimization/26247
6265 PR rtl-optimization/26248
6266 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6268 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6270 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6271 * config/fixtfdi.c: Likewise.
6272 * config/fixunstfdi.c: Likewise.
6273 * config/floatditf.c: Likewise.
6275 2006-02-13 Roger Sayle <roger@eyesopen.com>
6278 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6279 into (X,C2) if C1 is a subset of the bits of C2. Transform
6280 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6282 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6284 2006-02-13 Josh Conner <jconner@apple.com>
6287 * varasm.c (function_section): Check for section name before
6288 calling select_section on targets that define
6289 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6290 unlikely_text_section instead of hot_function_section if
6291 first_function_block_is_cold.
6293 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6296 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6298 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6300 PR rtl-optimization/26222
6301 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6302 after tree->rtl expansion.
6303 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6304 before passing it to emit_move_insn.
6306 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6308 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6310 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6311 Clarify documentation.
6312 * c-common.h (warn_write_strings): Remove.
6313 * c-common.c (warn_write_strings): Likewise.
6314 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6317 2006-02-12 Roger Sayle <roger@eyesopen.com>
6320 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6321 (do_jump_parts_zero_rtx): New function renamed from
6322 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6323 (do_jump_parts_equality_rtx): New function split out from
6324 do_jump_parts_equality. Old implementation renamed as above.
6325 Call do_jump_parts_zero_rtx if either operand is zero.
6326 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6327 do all of the heavy lifting.
6328 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6329 calling either do_jump_by_parts_greater_rtx or
6330 do_jump_by_parts_equality_rtx.
6331 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6332 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6333 moved to do_compare_rtx_and_jump, call it directly.
6334 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6335 mode argument. Call do_compare_rtx_and_jump.
6336 (emit_case_nodes): Update calls to do_jump_if_equal.
6338 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6340 PR rtl-optimization/26225
6341 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6343 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6345 PR rtl-optimization/26232
6346 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6348 2006-02-11 Jason Merrill <jason@redhat.com>
6351 * tree-inline.c (declare_return_variable): Just don't use the
6352 modify target if it's a gimple complex reg and the return slot
6355 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6357 * doc/contrib.texi: Update my entry.
6359 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6361 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6363 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6365 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6368 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6370 * doc/invoke.texi (-floop-optimize2): Removed.
6371 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6372 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6373 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6374 * common.opt (floop-optimize2): Removed.
6375 (fmove-loop-invariants): Enabled by default.
6377 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6379 * tree-if-conv.c (combine_blocks): Free the result of
6380 get_loop_exit_edges.
6382 2006-02-10 Jeff Law <law@redhat.com>
6384 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6386 PR tree-optimization/26213
6387 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6388 loop trying to follow SSA_NAME_VALUE chains.
6390 2006-02-10 Richard Guenther <rguenther@suse.de>
6392 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6393 deal with structures that end in implicitly variable sized arrays.
6395 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6397 PR rtl-optimization/24762
6398 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6401 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6403 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6404 (struct ivopts_data): Add regs_used field.
6405 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6406 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6407 instead of loop_data->regs_used;
6408 (free_loop_data): Do not free aux fields for loops.
6409 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6410 and tree_ssa_iv_optimize_finalize.
6412 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6414 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6416 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6419 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6420 computing the effective result type.
6422 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6425 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6426 (tree_overlaps_hard_reg_set): Declare.
6427 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6428 type and signature to match function type expected by walk_tree.
6429 (tree_overlaps_hard_reg_set): New function.
6430 (decl_conflicts_with_clobbers_p): Rename to:
6431 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6432 Use tree_overlaps_hard_reg_set. Changed caller.
6433 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6434 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6435 * cris.c (cris_md_asm_clobbers): Likewise.
6437 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6439 * reload1.c (emit_input_reload_insns): Delete code that tries to
6440 inherit using find_equiv_reg.
6442 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6444 * c-common.h (flag_const_strings): Don't declare.
6445 * c-common.c (flag_const_strings): Remove.
6446 * c.opt (fconst_strings): Remove.
6447 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6448 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6449 (c_common_init_options): Don't set flag_const_strings.
6450 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6452 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6454 * arm.md (tlobits_cbranch): New pattern.
6455 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6456 testing a single bit.
6458 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6461 * tree-ssa-pre.c (create_component_ref_by_pieces):
6462 Handle RETURN_DECL like VAR_DECL.
6464 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6467 * fold-const.c (fold_indirect_ref_1): Fold
6468 "*(foo *)&complexfoo" to "__real__ complexfoo"
6469 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6471 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6473 * tree-flow-inline.h (var_can_have_subvars):
6474 Volatile variables should not have subvariables.
6476 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6479 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6480 multiplying unsigned values.
6483 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6485 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6487 2006-02-08 Jason Merrill <jason@redhat.com>
6490 * tree.def: Elaborate on difference from MODIFY_EXPR.
6491 * doc/c-tree.texi (INIT_EXPR): Likewise.
6492 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6493 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6494 (gimplify_target_expr): Likewise.
6495 (gimplify_cond_expr): Remove target handling.
6496 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6497 (gimplify_expr): Clobber it here.
6498 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6499 Do return slot optimization if we have an INIT_EXPR.
6502 * tree-inline.c (declare_return_variable): Also clear
6503 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6506 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6509 * gimplify.c (gimplify_one_sizepos): Fix typo.
6511 2006-02-08 Jeff Law <law@redhat.com>
6513 PR tree-optimization/21417
6514 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6515 across a backedge if the control statement at the end of the
6516 block is data dependent on other statements in the same block.
6517 (record_temporary_equivalences_from_stmts): Remove over-conservative
6518 test for threading across backedges.
6520 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6521 control statement, handle all three special cases in the same
6522 manner as they all have the same desired solution. No longer
6523 special case edge flag updating when the post dominator is
6526 2006-02-08 Roger Sayle <roger@eyesopen.com>
6528 * tree.def (CHAR_TYPE): Remove.
6529 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6530 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6531 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6532 (gen_string_type_die): Delete unreachable function.
6534 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6535 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6536 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6537 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6538 * builtins.c (type_to_class): Likewise.
6539 * fold-const.c (fold_convert, build_range_check,
6540 merge_ranges): Likewise.
6541 * expr.c (count_type_elements): Likewise.
6542 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6543 * stor-layout.c (layout_type): Likewise.
6544 * ipa-type-escape.c (type_to_consider): Likewise.
6545 * gimplify.c (omp_firstprivatize_type_sizes,
6546 gimplify_type_sizes): Likewise.
6547 * explow.c (promote_mode): Likewise.
6548 * tree-sra.c (is_sra_scalar_type): Likewise.
6549 * varasm.c (output_constant): Likewise.
6550 * tree-inline.c (remap_type_1): Likewise.
6551 * convert.c (convert_to_pointer, convert_to_real,
6552 convert_to_integer, convert_to_complex): Likewise.
6554 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6556 * df-scan.c (df_def_record_1): A set destination may
6557 be a parallel regardless of mode.
6559 2006-02-08 Roger Sayle <roger@eyesopen.com>
6562 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6563 * config/mips/_tilib.c: Remove.
6564 * config/fixtfdi.c: New libgcc source file.
6565 * config/fixunstfdi.c: New source file.
6566 * config/floatditf.c: New source file.
6567 * config/floatunditf.c: New souce file.
6568 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6569 files above instead of config/mips/_tilib.c.
6570 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6572 2006-02-08 Jeff Law <law@redhat.com>
6574 PR tree-optimization/26169
6575 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6578 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6580 * df.h (DF_REG_SIZE): Return the length of the initialized
6583 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6585 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6586 __muldf3): Return a correctly signed zero.
6588 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6590 * passes.c (register_one_dump_file): Accept the current properties
6591 instead of pass number. Adjust call to dump_register. Remove
6593 (register_dump_files): Now a wrapper around...
6594 (register_dump_files_1): ... this one. Do not modify the pass
6596 (next_pass_1): Cosmetic fix.
6597 (execute_todo): Keep second parameter only. Use curr_properties
6598 instead of fetching it from the pass structure. Check and set
6600 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6601 instead of fetching it from the pass structure. Fix calls to
6602 execute_todo. Update curr_properties and initialize .vcg RTL dump
6603 after running the pass. Reset last_verified.
6604 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6606 (FIRST_AUTO_NUMBERED_DUMP): New.
6607 (dump_register): Remove "num" parameter, assign it within the
6609 (get_dump_file_name): Modify template for dumps.
6610 * tree-dump.h (dump_register): Adjust prototype.
6611 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6612 (PROP_trees): Add PROP_gimple_lomp.
6613 (TODO_set_props): New.
6614 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6615 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6616 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6618 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6620 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6621 (sparc64-*-linux*): Likewise.
6622 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6623 * config/sparc/t-linux: New file.
6624 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6625 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6626 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6627 -m32 -mlong-double-128.
6629 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6630 * config/alpha/t-linux: New file.
6631 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6633 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6634 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6635 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6636 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6637 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6638 (CPP_ARCH32_SPEC): Remove.
6640 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6642 PR tree-optimization/26145
6643 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6646 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6649 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6650 >= 240000 when generating code for SOM runtime.
6651 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6652 to $$dyncall when generating code for SOM runtime..
6654 2006-02-07 Dirk Mueller <dmueller@suse.com>
6657 * doc/invoke.texi (-Wsequence-point): Update documentation
6658 that -Wsequence-point is implemented for C++ as well.
6660 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6662 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6663 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6664 (LIB_SPEC): Likewise.
6665 * doc/invoke.texi (SPARC options): Document -pthread.
6667 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6669 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6672 2006-02-07 Roger Sayle <roger@eyesopen.com>
6674 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6675 Correct comment describing BOOLEAN_TYPE.
6677 2006-02-07 Dirk Mueller <dmueller@suse.com>
6679 * c.opt: C++ frontend supports -Wdiv-by-zero.
6680 * c-opts.c (c_common_handle_option): Remove dead case.
6682 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6684 * configure.ac (TLS assembler check): Do not enable TLS by
6685 default on SPARC/Solaris before version 10.
6686 * configure: Regenerate.
6688 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6690 * doc/invoke.texi (xl-compat): Document conversion and support
6693 2006-02-07 Jeff Law <law@redhat.com>
6695 * tree-vrp.c (find_conditional_asserts): Update comments.
6696 (simplify_stmt_for_jump_threading): New.
6697 (identify_jump_threads, finalize_jump_threads): New.
6698 (vrp_finalize): Call identify_jump_threads.
6699 (execute_vrp): Call finalize_jump_threads.
6700 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6701 (vrp_element, vrp_data, vrp_element_p): Remove.
6702 (vrp_hash_elt, vrp_variables_stack): Remove.
6703 (vrp_hash, vrp_eq, record_range): Remove.
6704 (simplify_cond_and_lookup_avail_expr): Remove.
6705 (extract_range_from_cond): Remove.
6706 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6707 (simplify_stmt_for_jump_threading): New.
6708 (dom_thread_across_edge): New wrapper.
6709 (tree_ssa_dominator_optimize): No longer initialize or
6710 finalize any of the VRP datastructures. Remove iteration
6711 step and simplify as a result of removal of iteration step.
6712 (pass_dominator): Perform a cfg cleanup after DOM.
6713 (dom_opt_finalize_block): Use the new common routines
6714 for threading jumps. Simplify stack management slightly.
6715 No longer need to unwind VRP state.
6716 (record_equivalences_from_incoming_edge): No longer record
6718 (eliminate_redundant_computations): No longer call
6719 simplify_cond_and_lookup_avail_expr.
6720 * tree-flow.h (potentially_threadable_block): Prototype.
6721 (thread_across_edge): Likewise.
6722 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6723 (tree-ssa-threadedge.o): Add dependencies.
6724 * tree-ssa-threadedge.c: New file.
6725 * passes.c (init_optimization_passes): Merge PHIs before
6726 calling VRP. Run VRP again late in the SSA optimization pipeline.
6728 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6730 * df-core.c (df_set_blocks): Do not dereference function pointers.
6731 (df_finish1): Likewise.
6732 (df_hybrid_search_forward): Likewise.
6733 (df_hybrid_search_backward): Likewise.
6734 (df_iterative_dataflow): Likewise.
6735 (df_analyze_problem): Likewise.
6736 (df_compact_blocks): Likewise.
6737 (df_dump): Likewise.
6738 * df-scan.c (df_rescan_blocks): Likewise.
6739 (df_record_entry_block_defs): Likewise.
6741 * genconditions.c (write_conditions): Guard the definition of
6742 'insn_conditions' with the check on GCC version.
6743 (write_writer): Guard the traversal 'insn_conditions' with
6744 the check on GCC version.
6746 2006-02-07 Richard Guenther <rguenther@suse.de>
6750 2006-01-30 Richard Guenther <rguenther@suse.de>
6752 * gimplify.c (gimplify_target_expr): Handle easy cases
6753 without creating a temporary.
6755 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6757 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6758 use of float in probability computations. Use edge probabilities
6759 in place of statically computed probabilities.
6760 (min_spec_prob): New static variable.
6761 (schedule_insns): Initialize it.
6762 (GET_SRC_PROB): Removed.
6763 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6765 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6768 * config/ia64/unwind-ia64.c: Revert last change.
6769 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6770 (INCOMING_FRAME_SP_OFFSET): Define.
6772 2006-02-06 Roger Sayle <roger@eyesopen.com>
6774 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6776 2006-02-07 Ben Elliston <bje@au.ibm.com>
6778 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6779 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6780 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6781 (ix86_return_in_memory): Handle TDmode.
6782 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6783 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6785 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6787 * reorg.c (dbr_schedule): Use dump_file instead of file.
6789 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6792 * config/ia64/predicates.md (extr_len_operand): New predicate.
6793 * config/ia64/ia64.md (extv): Tighten constraints.
6795 (*tbit_and_2): Ditto.
6796 (*tbit_and_3): Ditto.
6797 (*tbit_or_2): Ditto.
6798 (*tbit_or_3): Ditto.
6802 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6805 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6807 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6809 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6810 loop_optimizer_init and loop_optimizer_finalize
6811 * tree-ssa-sink.c (execute_sink_code): Ditto.
6812 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6813 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6814 tree_ssa_loop_done): Ditto.
6815 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6816 * sched-ebb.c: Include output.h.
6817 (schedule_ebbs): Do not use dump argument.
6818 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6819 * loop.c (loop_dump_stream): Removed.
6820 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6822 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6823 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6824 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6825 loop_iterations, strength_reduce, record_biv, record_giv,
6826 final_giv_value, check_final_value, check_ext_dependent_givs,
6827 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6828 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6829 dump_file instead of loop_dump_stream.
6830 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6832 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6834 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6835 * haifa-sched.c: Include output.h
6836 (schedule_insns, sched_init): Do not use dump argument.
6837 * mode-switching.c (optimize_mode_switching): Ditto.
6838 * modulo-sched.c (stats_file): Removed.
6839 (print_node_sched_params): Do not call argument dump_file.
6840 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6841 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6843 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6845 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6846 rtl_loop_init, rtl_loop_done): Ditto.
6847 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6848 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6850 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6851 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6852 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6853 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6854 * emit-rtl.c (renumber_insns): Ditto.
6855 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6856 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6857 * regclass.c (regclass): Ditto.
6858 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6859 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6860 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6861 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6863 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6864 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6866 * gcse.c (gcse_file, debug_stderr): Removed.
6867 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6868 rest_of_handle_gcse): Do not use dump argument.
6869 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6870 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6871 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6872 compute_code_hoist_vbeinout, compute_code_hoist_data,
6873 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6874 compute_store_table, build_store_vectors, insert_insn_start_bb,
6875 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6876 store_motion): Use dump_file instead of gcse_file.
6877 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6878 * profile.c (profile_dump_file): Removed.
6879 (branch_prob): Use dump_file instead of profile_dump_file.
6880 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6882 * tree-ssa-copy.c (dump_copy_of): Ditto.
6883 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6884 dump file to life_analysis.
6885 * bt-load.c (branch_target_load_optimize): Ditto.
6886 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6888 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6889 regclass, dbr_schedule): Declaration changed.
6890 * sched-int.h (sched_init): Declaration changed.
6891 * tree-profile.c (tree_profile_dump_file): Removed.
6892 (tree_profile_hooks): Removed profile_dump_file hook.
6893 * rtl-profile (rtl_profile_dump_file): Removed.
6894 (rtl_profile_hooks): emoved profile_dump_file hook.
6895 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6897 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6898 * tree-cfg.c (build_tree_cfg): Ditto.
6899 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6900 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6901 Declaration changed.
6902 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6903 life_analysis and schedule_insns.
6904 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6906 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6908 * config/mips/mips.c (mips_reorg): Ditto.
6909 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6912 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6914 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6915 (s390_mangle_fundamental_type): New.
6916 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6919 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6920 (alpha_mangle_fundamental_type): New.
6921 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6924 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6926 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6928 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6929 (sparc_mangle_fundamental_type): New.
6931 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6933 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6934 (s390x-*-linux*): Likewise.
6935 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6936 * config/s390/t-linux: New file.
6938 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6940 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6941 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6943 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6945 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6946 (ANTIC_SAFE_LOADS): New macro.
6947 (find_or_generate_expression): Add prototype.
6948 (set_contains_value): Allow null set for sake of not always having
6949 to allocate ANTIC_SAFE_LOADS.
6950 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6951 Allow COMPONENT_REF too.
6952 (valid_in_set): Allow COMPONENT_REF.
6953 Check ANTIC_SAFE_LOADS too.
6954 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6955 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6957 (can_PRE_operation): Add COMPONENT_REF.
6958 (create_component_ref_by_pieces): New function.
6959 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6960 (insert_aux): Move AGGREGATE_TYPE_P check here.
6961 (compute_avail): Set bb local stmt uids.
6962 (pass_pre): Use TODO_update_ssa_only_virtuals.
6964 2006-02-06 Ben Elliston <bje@au.ibm.com>
6966 * configure.ac: Unconditionally disable decimal float by default.
6967 * configure: Regenerate.
6969 2006-02-06 Ben Elliston <bje@au.ibm.com>
6971 * read-rtl.c (read_name): Terminate reading on EOF.
6973 2006-02-06 Ben Elliston <bje@au.ibm.com>
6975 * dfp.c (decimal_real_arithmetic): Change second argument type
6976 from int to enum tree_code. Do not always return true, but now
6977 return result of any call to decimal_do helper functions.
6978 * dfp.h (decimal_real_arithmetic): Update prototype.
6980 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6982 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6984 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6987 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6990 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6992 * tree-vrp.c (cfg_loops): Removed.
6993 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6994 Use current_loops instead of cfg_loops. Pass flags to
6995 loop_optimizer_init.
6996 * cfgloopmanip.c (fix_loop_structure): Update only available
6998 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6999 loop_optimizer_init.
7000 * modulo-sched.c (build_loops_structure): Removed.
7001 (sms_schedule): Use loop_optimizer_init.
7002 * loop-init.c (loop_optimizer_init): Use flags to determine
7003 which properties of loops to prepare.
7004 (rtl_loop_init): Pass flags to loop_optimizer_init.
7005 * tree-ssa-sink.c (execute_sink_code): Ditto.
7006 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7007 * tree-ssa-pre.c (init_pre): Ditto.
7008 * cfgloop.h (LOOPS_NORMAL): New.
7009 (loop_optimizer_init): Declaration changed.
7011 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7013 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7014 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7016 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7018 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7020 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7021 * pa/t-pa64: Delete quadlib.c rule.
7022 * pa/x-ada: Revert last change.
7023 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7025 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7027 PR rtl-optimization/26087
7028 * rtlanal.c (canonicalize_condition): Do not cross basic block
7031 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7034 * config/ia64/ia64.c: Include debug.h.
7035 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7036 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7037 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7038 (process_epilogue, process_set, process_for_unwind_directive):
7039 Output unwind info only if requested. Add CFA info if requested.
7040 Add new arguments as needed. Adjust callers.
7041 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7043 (DWARF2_FRAME_INFO): Define to zero.
7044 * config/ia64/unwind-ia64.c: Remove code that compensated for
7045 the CFA offset error fixed above.
7046 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7047 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7048 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7049 -funwind-tables and -fexceptions to enable frame info.
7050 (dwarf2out_frame_init): Define initial CFA even if
7051 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7052 DWARF2_UNWIND_INFO is nonzero, not just defined.
7053 (dwarf2out_frame_finish): Output non-EH call frame info only
7054 if DWARF2_FRAME_INFO is nonzero.
7055 (convert_cfa_to_loc_list,
7056 compute_frame_pointer_to_cfa_displacement): Define even if
7057 unwind info is not supported.
7058 (gen_subprogram_die): Use the above unconditionally. Remove
7059 legacy alternate code.
7060 * toplev.c (compile_file): Compile in call to
7061 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7062 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7064 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7065 Jakub Jelinek <jakub@redhat.com>
7067 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7068 IBM extended float format long double as "g" on powerpc*-linux.
7070 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7073 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7074 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7076 2006-02-03 Jason Merrill <jason@redhat.com>
7079 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7082 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7083 on the return slot if it's an NRV.
7085 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7087 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7088 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7089 rewrite_use): Do not handle USE_OUTER.
7090 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7091 add_iv_outer_candidates, may_replace_final_value,
7092 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7093 (find_interesting_uses_op): Functionality of
7094 find_interesting_uses_outer_or_nonlin moved here.
7095 (find_interesting_uses_outside): Use find_interesting_uses_op.
7097 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7100 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7102 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7103 Ulrich Weigand <uweigand@de.ibm.com>
7106 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7107 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7108 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7109 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7111 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7112 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7113 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7114 Define secondary reloads for TFmode moves.
7115 (constant_modes): Add TFmode.
7116 (NR_C_MODES): Set to 8.
7117 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7119 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7120 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7121 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7122 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7123 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7124 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7125 (FPR mode macro): Add TFmode.
7126 (DSF mode macro): New.
7127 (<de>, <dee> mode attributes): Removed.
7128 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7129 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7130 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7131 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7132 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7133 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7134 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7135 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7136 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7137 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7138 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7139 "*negabs<mode>2", "sqrt<mode>2"):
7140 Changed <de> to <xde>. R constraint replaced by <Rf>.
7141 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7143 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7144 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7145 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7147 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7148 "extenddftf2", "extendsftf2"): New expanders.
7149 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7150 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7151 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7152 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7154 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7155 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7156 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7157 __floatditf): Add a GCC_4.1.0 symbol version tag.
7158 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7161 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7164 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7165 Use targetm.binds_local_p instead of TREE_PUBLIC.
7167 2006-02-02 Roger Sayle <roger@eyesopen.com>
7169 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7170 on INTEGER_TYPEs to indicate that it denotes a character type.
7171 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7172 signed_char_type_node, unsigned_char_type_node and char_type_node.
7173 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7174 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7175 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7177 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7178 Daniel Berlin <dberlin@dberlin.org>
7180 * tree-tailcall.c (arg_needs_copy_p): New function.
7181 (eliminate_tail_call): Use arg_needs_copy_p.
7182 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7183 (add_virtual_phis): New function.
7185 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7187 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7188 #ignore instead of #scratch for %g7 .register directive.
7190 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7192 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7195 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7197 * flow.c (calculate_global_regs_live): Assert that there aren't any
7200 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7202 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7204 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7205 bsi_after_labels iterator.
7206 * tree-if-conv.c (find_phi_replacement_condition,
7207 replace_phi_with_cond_modify_expr): Likewise.
7208 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7209 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7211 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7213 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7215 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7218 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7219 array after growing it.
7221 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7224 * fold-const.c (fold_checksum_tree): Change type of buf.
7226 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7228 * reload.c (push_secondary_reload): Initialize t_icode.
7230 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7232 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7233 -msoft-float -mlong-double-128 only issue a warning, but don't
7234 swich to DFmode long double.
7236 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7238 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7239 has a constant equivalent, iterate over equivalents for arg0,
7240 calling simplify_relational_operation and if there's a result
7241 cheaper than X, apply fold_rtx and return the result.
7243 2006-02-01 Jan Hubicka <jh@suse.cz>
7245 * opts.c (no_unit_at_a_time_default): New global variable.
7246 (decode_options): Use it.
7247 * opts.h (no_unit_at_a_time_default): Declare.
7249 2006-02-01 Paul Brook <paul@codesourcery.com>
7251 * function.c (assign_parm_setup_reg): Use function argument promotion
7253 * expr.c (expand_expr_real_1): Use function argument promotion rules
7256 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7258 * gcc.c (process_command): Change j to 'unsigned int'.
7260 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7263 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7264 Use the corrected index for the character
7265 out of the string constant.
7267 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7269 * mode-switching.c (optimize_mode_switching): Fix size
7270 allocated for bb_info[n_entities].
7272 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7274 * gcc.c (main): Correct type that is allocated for
7275 explicit_link_files.
7277 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7279 * config/s390/s390.c (init_alignment_context): Set
7280 ALIAS_SET_MEMORY_BARRIER on the MEM.
7281 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7283 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7286 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7288 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7291 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7293 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7294 * regrename.c: Ditto.
7295 * tree-ssa-loop-im.c: Ditto.
7296 * tree-dump.c: Ditto.
7297 * tree-complex.c: Ditto.
7298 * genrecog.c: Ditto.
7299 * tree-ssa-threadupdate.c: Ditto.
7301 * java/class.c: Ditto.
7302 * java/jcf-parse.c: Ditto.
7303 * java/resource.c: Ditto.
7304 * java/except.c: Ditto.
7305 * java/jvspec.c: Ditto.
7306 * java/jcf-write.c: Ditto.
7307 * java/jcf-path.c: Ditto.
7308 * java/gjavah.c: Ditto.
7309 * java/zextract.c: Ditto.
7310 * java/jcf-io.c: Ditto.
7311 * java/jcf.h: Ditto.
7312 * java/buffer.c: Ditto.
7313 * java/lang.c: Ditto.
7314 * java/parse-scan.y: Ditto.
7315 * java/lex.c: Ditto.
7316 * java/lex.h: Ditto.
7317 * cfgloopmanip.c: Ditto.
7318 * postreload-gcse.c: Ditto.
7319 * tree-ssa-loop-manip.c: Ditto.
7320 * postreload.c: Ditto.
7321 * tree-ssa-loop-ch.c: Ditto.
7325 * diagnostic.c: Ditto.
7327 * genoutput.c: Ditto.
7329 * cfghooks.c: Ditto.
7330 * cfgloopanal.c: Ditto.
7331 * objc/objc-act.c: Ditto.
7333 * genextract.c: Ditto.
7334 * genautomata.c: Ditto.
7335 * pretty-print.c: Ditto.
7337 * cgraphunit.c: Ditto.
7340 * haifa-sched.c: Ditto.
7341 * dominance.c: Ditto.
7343 * tree-ssa-loop-ivopts.c: Ditto.
7345 * mode-switching.c: Ditto.
7346 * modulo-sched.c: Ditto.
7348 * ipa-pure-const.c: Ditto.
7350 * fix-header.c: Ditto.
7352 * tree-stdarg.c: Ditto.
7353 * ipa-utils.c: Ditto.
7354 * loop-init.c: Ditto.
7355 * ipa-inline.c: Ditto.
7358 * alloc-pool.c: Ditto.
7359 * dwarf2out.c: Ditto.
7361 * genattrtab.c: Ditto.
7362 * tree-ssa-loop-ivcanon.c: Ditto.
7366 * fortran/gfortranspec.c: Ditto.
7368 * local-alloc.c: Ditto.
7369 * langhooks.c: Ditto.
7370 * function.c: Ditto.
7371 * tree-vectorizer.c: Ditto.
7373 * ipa-type-escape.c: Ditto.
7375 * tree-if-conv.c: Ditto.
7378 * tree-data-ref.c: Ditto.
7379 * loop-unroll.c: Ditto.
7380 * treelang/treetree.c: Ditto.
7383 * ggc-common.c: Ditto.
7385 * coverage.c: Ditto.
7387 * tree-cfgcleanup.c: Ditto.
7388 * tree-ssa-pre.c: Ditto.
7389 * cfgcleanup.c: Ditto.
7390 * loop-invariant.c: Ditto.
7392 * ipa-prop.c: Ditto.
7393 * print-tree.c: Ditto.
7394 * conflict.c: Ditto.
7395 * ggc-page.c: Ditto.
7396 * sched-deps.c: Ditto.
7397 * regclass.c: Ditto.
7398 * tree-object-size.c: Ditto.
7400 * bb-reorder.c: Ditto.
7401 * resource.c: Ditto.
7402 * var-tracking.c: Ditto.
7404 * df-problems.c: Ditto.
7405 * reg-stack.c: Ditto.
7408 * sched-rgn.c: Ditto.
7409 * tree-ssa-structalias.c: Ditto.
7410 * tree-ssa-reassoc.c: Ditto.
7411 * config/darwin-c.c: Ditto.
7412 * config/darwin.c: Ditto.
7413 * config/arm/arm.c: Ditto.
7415 * collect2.c: Ditto.
7418 2006-01-31 Nicolas Pitre <nico@cam.org>
7420 * arm.md (smaxsi3): Make aware of smax_m1.
7423 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7425 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7427 2006-01-31 Richard Guenther <rguenther@suse.de>
7429 * doc/invoke.texi (-msselibm): Document.
7430 * target.h (expand_library_builtin): New target hook.
7431 * builtins.c (expand_builtin): Use expand_library_builtin.
7432 (default_expand_library_builtin): New function.
7433 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7434 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7435 (link_gcc_math_spec): Declare.
7436 (static_specs): Add link_gcc_math_spec.
7437 * expr.h (default_expand_library_builtin): Declare.
7438 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7439 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7440 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7441 * config/i386/i386.opt (msselibm): New target option.
7442 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7443 (ix86_init_sse_abi_builtins): New function.
7444 (ix86_expand_library_builtin): Likewise.
7445 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7446 (override_options): Handle error conditions wrt -msselibm.
7447 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7448 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7449 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7452 2006-01-31 Richard Guenther <rguenther@suse.de>
7453 Paolo Bonzini <bonzini@gnu.org>
7455 * doc/install.texi (--disable-libgcc-math): Document.
7457 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7459 * expr.h (expand_normal): new inline function.
7460 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7462 * dwarf2out.c: use it.
7467 * config/sparc/sparc.c: use it.
7468 * config/i386/i386.c: use it.
7469 * config/rs6000/rs6000.c: use it.
7470 * config/arm/arm.c: use it.
7471 * config/mips/mips.c: use it.
7472 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7474 2006-01-30 Roger Sayle <roger@eyesopen.com>
7476 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7477 argv to the appropriate type.
7479 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7481 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7484 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7487 * config/s390/s390.c (struct machine_function): New flag
7488 decomposed_literal_pool_addresses_ok_p.
7489 (s390_reorg): Set it before final stage of literal pool transforms.
7490 (s390_decompose_address): Only accept displacements of the form
7491 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7493 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7495 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7496 the comparison routine return.
7498 2006-01-30 Michael Matz <matz@suse.de>
7500 * global.c (find_reg): Only evict for global regs.
7501 Take n_refs into account and dump more info.
7503 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7506 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7507 (pragma_trap, pragma_nosave_low_regs): Likewise.
7508 (current_function_anonymous_args): Likewise.
7509 (sh_deferred_function_attributes): New variable.
7510 (sh_deferred_function_attributes_tail): Likewise.
7511 (print_operand): For '@', look up trap_exit attribute.
7512 (calc_live_regs): Look up trapa_handler attribute. For trapa
7513 handlers, save/restore fpscr, but don't do any other
7514 interrupt-specific saves.
7515 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7516 Fix check for partially saved registers to check for SHmedia.
7517 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7518 (sh_output_function_epilogue): Don't clear any of the removed
7520 (sh_insert_attributes): Don't check pragma_interrupt.
7521 Insert deferred attributes. Check that interrupt attribute is
7522 present for other attributes that require its presence.
7523 (sh_attribute_table): Add new attributes trapa_handler and
7525 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7526 Don't check for pragma_interrupt. Don't store argument.
7527 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7528 (sh_deferred_function_attributes): Declare.
7529 (sh_deferred_function_attributes_tail): Likewise.
7530 * sh.md (sp_switch_1): Add operand. Change generator caller.
7531 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7532 (*return_i): Don't use when trap_exit attribute is in effect.
7533 (*return_trapa): New insn pattern.
7535 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7536 setting c_target_objs and cxx_target_objs.
7537 * t-sh: Add rule for sh-c.o.
7539 2006-01-30 Richard Guenther <rguenther@suse.de>
7542 * gimplify.c (gimplify_target_expr): Handle easy cases
7543 without creating a temporary.
7545 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7547 * vec.h (safe_grow): Remove duplicated line.
7549 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7552 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7553 (expand_omp): ... here.
7554 (expand_omp_parallel): Only remove barriers for combined
7555 parallel+workshare constructs.
7557 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7561 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7562 * tree.c (build_qualified_type): Chain the new type to the original
7563 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7564 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7565 (build_pointer_type_for_mode): Only return unqualified types.
7566 (build_reference_type_for_mode): Likewise.
7568 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7570 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7571 * Makefile.in (CXX_COMPAT_WARN): Define.
7572 * configure: Regenerate.
7574 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7577 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7580 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7582 * toplev.c: Fix thinko.
7584 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7585 Marcin Dalecki <martin@dalecki.de>
7587 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7588 (push_srcloc): Use XNEW.
7589 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7591 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7593 * df-core.c (df_set_blocks): Deleted all variable.
7595 2006-01-28 Ian Lance Taylor <ian@airs.com>
7597 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7598 cgraph_output_pending_asms.
7600 2006-01-28 Zack Weinberg <zackw@panix.com>
7602 * c.opt: Add -W(no-)overlength-strings.
7603 * doc/invoke.texi: Document it.
7604 * c-opts.c (c_common_handle_option): -pedantic implies
7605 -Woverlength-strings, if not explicitly disabled already.
7606 (c_common_post_options): -Woverlength-strings defaults to off, and
7607 is always off for C++.
7608 * c-common.c (fix_string_type): Issue warning about strings longer
7609 than is portable only if warn_overlength_strings. Rearrange code
7610 a little for clarity.
7611 * configure.in: Check for -Wno-overlength-strings as well before
7612 enabling -pedantic in stage 1.
7613 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7614 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7616 * genconditions.c (write_header, write_one_condition)
7617 (write_conditions, write_writer): Consolidate very long strings
7618 that were broken up to fit in C89 portable limit. Don't use
7619 printf when fputs will do.
7621 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7623 * combine.c (simplify_comparison <AND>): Check
7624 TRULY_NOOP_TRUNCATION before start using a subreg.
7626 * config/mips/mips.md (*branch_zero<mode>,
7627 *branch_zero<mode>_inverted, *branch_equality<mode>,
7628 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7629 Remove mode check from comparisons.
7631 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7633 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7635 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7637 * expmed.c (const_mult_add_overflow_p): Remove.
7638 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7640 * recog.c (validate_replace_rtx_subexp): Remove.
7641 * recog.h: Remove the prototype for
7642 validate_replace_rtx_subexp.
7644 * integrate.h: Remove the prototype for
7645 copy_decl_for_inlining.
7646 * rtl.h: Remove the prototype for mark_constant_function.
7647 * tree-vectorizer.h: Remove the prototype for
7648 vect_strip_conversion.
7650 * modulo-sched.c (create_partial_schedule,
7651 free_partial_schedule, reset_partial_schedule): Make them
7654 * hooks.c (hook_bool_rtx_int_false): Remove.
7655 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7657 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7659 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7660 and -mlong-double-128 are incompatible.
7661 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7662 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7663 (TARGET_LIBGCC2_CFLAGS): Define.
7664 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7665 (TARGET_LIBGCC2_CFLAGS): Same.
7666 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7668 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7671 * c-typeck.c (build_binary_op): Perform implicit casts of
7672 operands before shortening them.
7674 * cfgloopmanip.c (split_loop_bb): Remove.
7675 * cfgloop.h: Remove the prototype for split_loop_bb.
7677 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7678 * cfgloop.h: Remove the prototype for
7679 flow_loop_outside_edge_p.
7681 * emit-rtl.c (init_virtual_regs): Make it static.
7682 * function.h: Remove the prototype for init_virtual_regs.
7684 * recog.c (peephole2_optimize): Make it static.
7685 * recog.h: Remove the prototype for peephole2_optimize.
7687 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7689 * df-scan.c (df_record_entry_block_defs): Check if
7690 INCOMING_RETURN_ADDR_RTX is defined.
7692 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7693 Kenneth Zadeck <zadeck@naturalbridge.com>
7695 PR rtl-optimization/24762
7696 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7697 * targhooks.c (hook_void_bitmap): New hook prototype.
7698 * targhoohs.h (hook_void_bitmap): Ditto.
7699 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7700 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7701 * target.h (live_on_entry): New function pointer.
7702 * df-scan.c (df_all_hard_regs): Removed.
7703 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7704 (df_scan_free_internal): Added df->entry_block_defs.
7705 (df_scan_alloc): Ditto.
7706 (df_scan_dump): Ditto.
7707 (df_uses_record): Plumbed flag field properly thru calls.
7708 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7709 This part fixes PR24762.
7710 (df_bb_refs_record): Added code to make the frame and arg
7711 pointers live in EH blocks.
7712 (df_refs_record): Added call to df_record_entry_block_defs.
7713 (df_record_entry_block_defs): New function.
7714 * df-core.c: Added comments to describe new artifical defs.
7715 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7716 (entry_block_defs): New field in struct df.
7717 (df_all_hard_regs): Deleted.
7718 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7719 * df-problems.c (df_ru_bb_local_compute_process_def):
7720 Added code to handle artifical defs in the entry to a function.
7721 (df_ru_bb_local_compute): Ditto.
7722 (df_rd_bb_local_compute_process_def): Ditto.
7723 (df_rd_bb_local_compute): Ditto.
7724 (df_lr_bb_local_compute): Ditto.
7725 (df_ur_bb_local_compute): Ditto.
7726 (df_urec_bb_local_compute): Ditto.
7727 (df_chain_create_bb): Ditto.
7728 (df_ur_local_finalize): Removed entry.
7729 (df_urec_init): Ditto.
7730 (df_urec_local_finalize): Ditto.
7731 (df_ri_bb_compute): Added detection of last use of pseudos.
7732 * Makefile.in (df-scan.o): Updated dependencies.
7733 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7734 * config/mips/mips.c (mips_set_live_on_entry): Added.
7735 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7737 * dce.c (marked_insn_p): Added code to handle artifical defs.
7739 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7741 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7743 (_mm_cvtsi128_si64): Likewise.
7744 (_mm_cvtsd_si64): Likewise.
7745 (_mm_cvttsd_si64): Likewise.
7746 (_mm_cvtsi64_sd): Likewise.
7747 (_mm_cvtsi64_si128): Likewise.
7748 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7749 (_mm_cvtsi64_m64): Likewise.
7750 (_m_to_int64): Likewise.
7751 (_mm_cvtm64_si64): Likewise.
7752 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7753 (_mm_cvttss_si64): Likewise.
7754 (_mm_cvtsi64_ss): Likewise.
7755 (_mm_cvtss_f32): Likewise.
7757 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7759 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7760 for pragma redefine_extname.
7762 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7765 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7766 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7767 -mno-minimal-toc to previous content.
7768 (bispecs): Remove goal.
7769 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7770 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7771 compatibility aliases on powerpc-*-*gnu*.
7772 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7773 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7774 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7775 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7776 (ldblspecs): New goal.
7777 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7778 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7780 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7781 L_sf_to_tf or L_df_to_tf is defined.
7783 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7784 Alan Modra <amodra@bigpond.net.au>
7787 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7788 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7789 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7790 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7791 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7792 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7793 (rs6000_override_options): Initialize rs6000_ieeequad.
7794 Initialize TFmode format to ibm_extended_format if not
7796 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7798 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7799 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7800 (function_arg_advance): IBM long double passed in two FPRs, not
7802 (function_arg): IBM long double passed in FPRs.
7803 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7804 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7805 Only multireg GPR aligned.
7806 (rs6000_init_libfuncs): Enable IBM long double functions if not
7808 (rs6000_generate_compare): Use IBM long double compare if not
7810 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7811 (TARGET_IEEEQUAD): Define.
7812 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7813 not TARGET_IEEEQUAD.
7814 * config/rs6000/rs6000.md: Enable TFmode patterns if
7816 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7817 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7818 and -mlong-double-128 are incompatible.
7819 * doc/invoke.texi (-mabi): Collect options together. Add
7820 ibmlongdouble and ieeelongdouble.
7822 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7824 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7826 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7827 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7828 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7829 * rtl.h (rtunion_def): Remove rt_ptr.
7831 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7832 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7833 * config/i386/winnt.c (i386_pe_mark_dllexport)
7834 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7836 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7838 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7840 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7844 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7845 pthread_key_delete. From John David Anglin. gthrw-ify
7846 pthread_getunique_np only if it it's not a macro. Delete
7848 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7849 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7850 __gthread_objc_condition_signal, __gthread_key_delete): Add
7851 "__attribute__ ((__unused__))" to unused arguments.
7852 (__gthread_recursive_mutex_init_function): Add missing return.
7853 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7854 gthr-posix95.h: Use macro-based approach for name redirection
7855 on targets missing weakref.
7857 2006-01-26 Zack Weinberg <zackw@panix.com>
7859 * genconditions.c (write_header): In generated code, #ifdef out
7860 all includes and fake declarations, except includes of bconfig.h
7861 and system.h, unless GCC_VERSION >= 3001. Do not include
7862 gensupport.h in any case.
7863 (write_conditions): Generate a definition of struct c_test. Add
7864 a comment to the generated #endif.
7865 (write_one_condition): Escape backslashes in string too.
7866 (write_writer): Generated code must escape backslashes and quote
7867 marks (but not newlines) in the strings it writes.
7868 * Makefile.in (build/gencondmd.o): Update dependencies.
7870 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7873 * Makefile.in (insn-automata.o): Add header file dependencies.
7874 * genautomata.c: Add includes.
7876 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7879 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7881 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7883 * configure.ac: Expect target tools paths to be passed from the toplevel
7884 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7886 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7888 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7891 * c.opt (Wpointer-sign): Init to -1.
7892 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7893 OPT_pedantic, to 0 otherwise.
7894 * doc/invoke.texi: Update.
7896 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7898 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7899 constants provided by 80387 instructions in the destination mode.
7901 2006-01-26 Richard Guenther <rguenther@suse.de>
7902 Andrew Pinski <pinskia@physics.uc.edu>
7905 partial PR tree-opt/17064
7906 * tree-ssa-structalias.c (intra_create_variable_infos):
7907 Create heap variables for incoming parameters if
7908 flag_argument_noalias > 1.
7909 (find_what_p_points_to): Look through default defs of
7912 2006-01-26 Jeff Law <law@redhat.com>
7915 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7916 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7917 within the VR_RANGE, use the VR_RANGE as the result, not the
7919 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7920 bounds for the type.
7922 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7924 * tree-ssa-alias.c (maybe_create_global_var): Change
7925 subvar walking to an assertion that we don't have subvar'd variables.
7927 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7930 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7931 Use a new variable, inner. PARM_DECLs are always non-weak.
7933 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7935 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7938 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7940 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7942 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7944 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7945 (smax_insn, smin_insn, smax_0, smin_0): New.
7947 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7950 * config/cris/cris.c (cris_order_for_addsi3): New function.
7951 * config/cris/cris-protos.h: Prototype it.
7952 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7953 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7954 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7955 (split for "op.S1 [rx=rx+i],ry (swapped)")
7956 (split for "op(s|u).S1 [rx=rx+i],ry")
7957 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7958 Apply cris_order_for_addsi3 when generating addsi3 insns.
7960 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7962 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7963 (TREE_BLOCK): Add call to EXPR_CHECK.
7965 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7968 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7969 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7970 (dump_omp_clauses): ... here.
7971 (dump_generic_node): Handle OMP_CLAUSE.
7972 * tree.c (omp_clause_num_ops): New.
7973 (omp_clause_code_name): New.
7974 (tree_code_size): Handle OMP_CLAUSE.
7975 (tree_size): Likewise.
7976 (make_node): Document handling of OMP_CLAUSE.
7977 (tree_node_structure): Handle OMP_CLAUSE.
7978 (omp_clause_check_failed): New.
7979 (omp_clause_range_check_failed): New.
7980 (omp_clause_operand_check_failed): New.
7981 (build_omp_clause): New.
7982 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7983 * tree.h (enum omp_clause_code): Declare.
7984 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7985 (OMP_CLAUSE_RANGE_CHECK): Define.
7986 (OMP_CLAUSE_ELT_CHECK): Define.
7987 (omp_clause_check_failed): Declare.
7988 (omp_clause_operand_check_failed): Declare.
7989 (omp_clause_range_check_failed): Declare.
7990 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7991 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7992 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7993 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7994 (OMP_CLAUSE_IF_EXPR): Likewise.
7995 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7996 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7997 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7998 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7999 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8000 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8001 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8002 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8003 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8004 (OMP_CLAUSE_CODE): Define.
8005 (OMP_CLAUSE_SET_CODE): Define.
8006 (OMP_CLAUSE_CODE): Define.
8007 (OMP_CLAUSE_OPERAND): Define.
8008 (struct tree_omp_clause): Declare.
8009 (union tree_node): Add field 'omp_clause'.
8010 * treestruct.def (TS_OMP_CLAUSE): Define.
8011 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8012 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8013 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8014 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8015 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8016 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8017 (OMP_CLAUSE): Define.
8018 * print-tree.c (print_node): Handle OMP_CLAUSE.
8019 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8020 * c-typeck.c: Likewise.
8021 * gimplify.c: Likewise.
8022 * c-omp.c: Likewise.
8023 * tree-nested.c: Likewise.
8024 * tree-inline.c: Likewise.
8025 * c-parser.c: Likewise.
8026 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8029 2006-01-25 Roger Sayle <roger@eyesopen.com>
8031 PR rtl-optimization/25703
8032 * combine.c (try_combine): Handle zero_extract and strict_low_part
8033 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8035 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8037 * global.c: Fix comment typos.
8039 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8042 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8043 Use output_addr_const instead of assemble_name.
8045 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8047 * Makefile.in (sched-vis.o): Update dependencies.
8048 * haifa-sched.c (sched_finish): Clear current_sched_info.
8049 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8050 (dump_flow_info): Call it.
8051 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8053 * basic-block.h (dump_bb_info): Declare.
8054 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8055 option, and apply options only for dump files whose TDF_RTL,
8056 TDF_TREE, or TDF_IPA bits match.
8057 * rtl.h: Declare new functions exported from sched-vis.c.
8058 * sched-vis.c: Enable also if scheduling is not used.
8059 (print_value): Print the mode of registers if not inside scheduling.
8060 (print_insn): Make it work outside the scheduler. Beautify the output
8062 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8064 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8066 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8067 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8068 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8069 depending on the value of CONSTANT_POOL_ADDRESS_P.
8070 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8072 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8073 rather than SYMBOL_REF_DECL.
8074 (rtx_constant_pool): Remove const_rtx_sym_htab.
8075 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8076 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8077 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8078 Remove handling of const_rtx_sym_htab.
8079 (find_pool_constant): Delete.
8080 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8081 rather than find_pool_constant.
8082 (get_pool_constant_for_function): Delete.
8083 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8085 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8086 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8087 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8088 (SYMBOL_REF_CONSTANT): New macro.
8089 (get_pool_constant_for_function): Delete.
8090 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8091 rather than SYMBOL_REF_DECL.
8092 (i386_pe_mark_dllimport): Likewise.
8093 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8094 rather than SYMBOL_REF_DECL.
8095 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8096 (machopic_indirect_call_target): Likewise.
8098 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8100 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8102 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8104 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8106 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8108 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8110 2006-01-24 David Daney <ddaney@avtrex.com>
8113 * configure.ac (enable_tls): New enable option.
8114 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8115 * configure: Regenerate.
8116 * doc/install.texi (--enable-tls): Document new option.
8117 (--disable-tls): Ditto.
8119 2006-01-24 Richard Henderson <rth@redehat.com>
8121 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8122 * alias.c (true_dependence): Respect it.
8123 (canon_true_dependence, write_dependence_p): Likewise.
8124 * builtins.c (get_builtin_sync_mem): Set it.
8126 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8128 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8131 2006-01-24 DJ Delorie <dj@redhat.com>
8133 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8134 for storing constants in single-bit bitfields.
8136 2006-01-25 Ben Elliston <bje@au.ibm.com>
8138 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8140 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8143 * tree-ssa-pre.c (phi_translate): Return NULL
8144 for AGGREGATE_TYPE's.
8146 2006-01-24 Zack Weinberg <zackw@panix.com>
8148 * genautomata.c (process_state_for_insn_equiv_partition):
8149 Use xcalloc for insn_arcs_array.
8150 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8151 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8153 2006-01-24 Richard Henderson <rth@redhat.com>
8155 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8158 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8160 PR rtl-optimization/25890
8161 PR rtl-optimization/25905
8162 * combine.c (expand_compound_operation, expand_field_assignment):
8163 Fail if the bitfield's final position is out of bounds.
8165 2006-01-24 Ian Lance Taylor <ian@airs.com>
8168 * cgraphunit.c (cgraph_output_in_order): Don't clear
8169 cgraph_asm_nodes until after asm strings have been output.
8171 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8173 * fix-header.c (read_scan_file): Add new parameter imultilib when
8174 calling register_include_chains.
8176 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8178 * omp-low.c: Update documentation.
8180 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8181 Daniel Berlin <dberlin@dberlin.org>
8185 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8186 return from the function.
8188 2006-01-22 Zack Weinberg <zackw@panix.com>
8190 * rtl.def (match_code): Add second argument.
8191 * genpreds.c (write_extract_subexp): New function.
8192 (write_match_code): Add path argument. Use write_extract_subexp.
8193 (write_predicate_expr): Pass path to write_match_code.
8194 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8195 not perform a mode test.
8196 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8197 a subexpression does not constrain the top-level code set.
8198 * read-rtl.c (read_rtx_variadic): New function.
8199 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8200 * doc/md.texi: Document new notation.
8201 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8202 (cmpsi_operand): ... here, using new notation.
8204 2006-01-22 Zack Weinberg <zackw@panix.com>
8206 * varray.c: Remove GENERATOR_FILE #ifdefs.
8208 2006-01-22 Zack Weinberg <zackw@panix.com>
8210 * genautomata.c (output_reserved_units_table): Emit nothing if
8211 description->query_units_num is zero. Remove extra blank line.
8212 (output_cpu_unit_reservation_p): Short circuit
8213 if description->query_units_num is zero.
8215 2006-01-22 Zack Weinberg <zackw@panix.com>
8217 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8218 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8219 nor any of the random handful of variables that used to be necessary
8220 when this program was linked with rtlanal.o. Prune set of forward
8221 function declarations.
8222 (struct attr_desc): Remove static_p field.
8223 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8224 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8225 (attr_string): Do not read the character one past the length of
8227 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8228 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8229 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8230 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8231 (make_automaton_attrs): New.
8232 (main): Do not call into genautomata. Call local gen_bypass
8233 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8234 Remove special case for insn_alts.
8235 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8236 varray.h (leftover from previous change). Prune set of forward
8237 function declarations. Remove state_alts fields from all
8238 structures. Remove state_alts_table from struct automaton.
8239 Make everything except main static. Do not maintain num_dfa_decls.
8240 Do not maintain state_alts fields of various structures.
8241 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8242 (add_arc): Remove state_alts argument. All callers updated.
8243 (output_reserved_units_table): Emit #ifdef here...
8244 (output_tables): ...not here. Don't generate state_alts tables.
8245 (expand_automata): Don't generate attributes.
8246 (write_automata): Don't generate state_alts functions.
8247 (main): New function.
8248 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8249 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8250 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8251 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8252 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8253 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8254 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8255 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8257 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8258 * genattrtab.h: Delete file.
8259 * Makefile.in (OBJS-common): Add insn-automata.o.
8260 (insn-automata.o): New rule.
8261 (simple_generated_c): Add insn-automata.c.
8262 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8263 (genprogmd): Add automata.
8264 (build/genattrtab): Needs no extra objects nor libraries.
8265 (build/genautomata): Needs build/vec.o and -lm.
8267 2006-01-22 Zack Weinberg <zackw@panix.com>
8269 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8270 (output_dfa_max_issue_rate, locked_states_num): Delete.
8271 (struct automaton): Add locked_states field.
8272 (output_dead_lock_vect): Save number of locked states in
8273 automaton->locked_states. If it is zero, don't print anything.
8274 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8275 (output_internal_dead_lock_func): Only test the dead_lock_vect
8276 for automata that have locked states.
8277 (output_statistics): Always print the number of locked states for
8278 each automaton. Calculate total number of locked states here.
8279 (write_automata): Don't call output_dfa_max_issue_rate.
8280 * genattrtab.c: Define length_unit_log as a const variable.
8281 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8282 max_insn_queue_index const.
8283 * final.c (length_unit_log): Declare const.
8284 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8286 2006-01-22 Zack Weinberg <zackw@panix.com>
8288 * genautomata.c: Include vec.h, not varray.h.
8289 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8290 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8291 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8292 VEC_* macros operating on appropriately typed vectors, or to
8293 malloced arrays when the size is known in advance. Const-ify
8294 many char* variables and function arguments. No functional changes.
8295 * Makefile.in (build/varray.o): Delete rule.
8296 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8297 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8299 2006-01-22 Zack Weinberg <zackw@panix.com>
8301 * gensupport.c: Define get_insn_name and record_insn_name here.
8302 (read_md_rtx): Call record_insn_name as appropriate.
8303 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8304 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8305 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8307 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8308 (BUILD_VARRAY): Delete.
8309 (genprognormal): Rename genprogmd. Fold in all programs from
8310 genprognoprint; also attrtab.
8311 (build/genattrtab): Just mention genautomata.o and varray.o.
8312 Reorganize a bit, add comments to make the categories clearer.
8314 2006-01-22 Zack Weinberg <zackw@panix.com>
8316 * genconditions.c (condition_table, add_condition): Delete.
8317 (write_conditions): Don't emit n_insn_conditions nor
8318 insn_elision_unavailable. Issue the gcc version #ifdef here,
8319 inside the table, with no #else clause ...
8320 (write_header): ...not here.
8321 (write_writer): New function.
8322 (main): Don't initialize condition_table. Use add_c_test.
8324 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8325 files on the command line.
8326 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8327 Return -1 if there is no entry in the table, don't abort.
8328 (add_c_test, traverse_c_tests): New functions.
8329 * gensupport.h (insn_elision_unavailable, insn_conditions)
8330 (n_insn_conditions): Delete declarations.
8331 (add_c_test, traverse_c_tests): Declare.
8332 * read-rtl.c: Include gensupport.h.
8333 (read_conditions): New function.
8334 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8335 (read_rtx_1): If we get EOF when we were looking for an initial
8336 open paren, return 0. Call read_conditions when appropriate.
8337 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8338 dummy-conditions.o. Eliminate references to insn-conditions.o,
8339 or change them to build/gencondmd.o, as appropriate. Remove
8340 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8341 from $(simple_generated_c). For all files remaining in those
8342 two lists, add insn-conditions.md to the generator command line.
8343 Give insn-constants.h/s-constants their own rules. Add rules
8344 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8345 (build/read-rtl.o): Depend on gensupport.h.
8346 (genprognormal): Include preds.
8347 (genprogearly): Rename genprognoprint; only difference is now that
8348 they don't link with $(BUILD_PRINT).
8349 * dummy-conditions.c: Delete.
8351 2006-01-22 Zack Weinberg <zackw@panix.com>
8353 * genextract.c: Don't include insn-config.h. Do include vec.h.
8354 Declare vectors of int, char, and locstr.
8355 (locstr): New typedef.
8356 (struct extraction): Make all array fields into bare pointers.
8357 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8358 (insn_code_number): Delete.
8359 (accum_extract): New struct.
8360 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8361 (gen_insn): Take insn_code_number as an argument. Use an
8362 accum_extract structure instead of loading data directly into
8363 a struct extraction, and having to know how big it might get.
8364 (walk_rtx): Operate entirely on an accum_extract structure.
8365 (print_path): Avoid unnecessary use of printf.
8366 (print_header): New function, split out of main. Distinguish
8367 more carefully between an unrecognizable insn and an insn that
8368 has the code number of a define_expand.
8369 (main): Pass insn_code_number to gen_insn. Call print_header
8370 only after parsing. Avoid unnecessary use of printf.
8371 * Makefile.in (build/vec.o): New rule.
8372 (build/genextract): Depend on build/vec.o.
8373 (build/genextract.o): Don't depend on insn-config.h.
8375 2006-01-22 Zack Weinberg <zackw@panix.com>
8377 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8378 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8379 practical. Eliminate per-generator-program link rules.
8381 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8384 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8385 with a call expr to ...
8386 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8388 2006-01-23 Richard Guenther <rguenther@suse.de>
8390 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8391 before make_edge with conditional EDGE_TRUE_VALUE.
8393 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8394 Jan Hubicka <jh@suse.cz>
8395 Richard Guenther <rguenther@suse.de>
8397 PR rtl-optimization/25654
8398 * cfgexpand.c (aggregate_contains_union_type): New function.
8399 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8400 for structure variables that contain a union type.
8402 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8404 * gengtype.c (new_structure): Return the structure.
8405 (create_option): Add an extra "next" argument.
8406 (create_field): New function.
8407 (adjust_field_rtx_def): Use create_option and create_field.
8408 Remove a now-unnecessary call to find_structure.
8409 (adjust_field_tree_def): Likewise.
8410 (note_yacc_type): Remove an unnecessary call to find_structure.
8411 * gengtype.h (new_structure): Return the structure.
8412 (create_option): Add an extra argument.
8413 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8414 (option): Adjust calls to create_option.
8416 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8418 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8420 2006-01-22 Paul Brook <paul@codesourcery.com>
8421 Peter Barada <peter@the-baradas.com>
8423 * config/m68k/m68k.md: Add Coldfire FPU support.
8424 Define FP mode macro and associated attributes.
8425 Use it for float mode patterns.
8426 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8427 (LIBCALL_VALUE): Use m68k_libcall_value.
8428 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8429 (m68k_function_value): Ditto.
8430 (emit_move_sequence): Ditto.
8431 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8432 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8433 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8434 (MULTILIB_EXCEPTIONS): Ditto.
8435 * config/m68k/m68k.opt: Add mcfv4e.
8436 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8437 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8438 (m68k_output_function_prologue): Save ColdFire FPU registers.
8439 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8440 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8441 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8442 ColdFire FPU registers.
8443 (m68k_libcall_value, m68k_function_value): New functions.
8444 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8445 (LIBCALL_VALUE): Use m68k_libcall_value.
8446 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8447 (MASK_COLDFIRE): Add MASK_CFV4E.
8448 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8449 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8450 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8451 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8452 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8453 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8454 * doc/invoke.tex: Document -mcfv4e on m68k.
8456 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8458 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8461 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8464 * c-opts.c (c_common_handle_option): Don't include
8465 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8466 * doc/invoke.texi (C++ Dialect Options): Document that
8467 -Wnon-virtual-dtor is no longer included in -Wall.
8469 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8471 * gcov.c (print_version), gcov-dump.c (print_version),
8472 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8475 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8477 * df-scan.c (problem_SCAN): Added NULL reset function.
8478 (df_scan_reset_blocks): Added code to call reset block function
8479 (df_bb_refs_delete) Fixed comment.
8480 (df_insn_refs_delete): Made tolerant of deleting non existent info
8481 for dataflow problems that need to be reset.
8482 * df-core.c (df_set_blocks): Ditto.
8483 * df.h (struct df_problem): Added reset_fun.
8484 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8485 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8486 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8487 functions to clear out all references to def-use or use-def chains.
8489 2006-01-21 Ben Elliston <bje@au.ibm.com>
8491 * varasm.c (assemble_real): Initialise data array.
8493 2006-01-20 Paul Brook <paul@codesourcery.com>
8495 Merge from csl-arm-branch.
8496 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8497 * config/arm/arm.md (movdi): Force operands[1] to a register
8498 if we have a non-register source.
8499 (*arm_movdi, *movdf_soft_insn): Require that one of the
8500 operands be a register.
8501 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8502 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8504 2006-01-20 DJ Delorie <dj@redhat.com>
8506 * varasm.c (initialize_constant_valid_p): Allow pointers
8507 initialized from integer constants of lesser precision.
8508 (output_constant): Allow non-int-sized pointer modes to be
8509 initialized from integer constants.
8511 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8514 * cppdefault.h (struct default_include): Add multilib flag.
8515 * cppdefault.c (cpp_include_defaults): Set it.
8516 * c.opt (-imultilib): New option.
8517 * c-opts.c (imultilib): New.
8518 (c_common_handle_option): Handle -imultilib.
8519 (c_common_post_options): Likewise.
8520 * c-incpath.c (add_standard_paths, register_include_chains):
8522 * c-incpath.h (register_include_chains): Add extra parameter.
8523 * gcc.c (do_spec_1): Generate -imultilib option.
8524 (The Specs Language): Update %I description.
8525 (process_command): Update copyright notice.
8526 * doc/cppopts.texi (-imultilib): Document.
8527 * doc/invoke.texi (-imultilib): Include in option summary.
8528 (%I): Update specs documentation.
8530 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8532 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8534 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8536 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8539 2006-01-20 Richard Guenther <rguenther@suse.de>
8540 Steven Bosscher <stevenb.gcc@gmail.com>
8542 PR rtl-optimization/24626
8543 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8544 EDGE_TRUE_VALUE if in RTL mode.
8547 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8548 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8550 2006-01-20 Dirk Mueller <dmueller@suse.com>
8553 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8554 instead of a special NOP marker.
8555 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8556 NOP marker handling.
8557 * c-common.h (empty_body_warning): Add forward declaration.
8558 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8559 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8561 2006-01-20 Paul Brook <paul@codesourcery.com>
8563 * Makefile.in (lang_checks): Keep going if mkdir fails.
8565 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8567 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8568 be able to clean out basic block when not necessary.
8569 (df_scan_free): Fixed to properly delete information if df is
8570 unused before calling df_finish.
8571 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8572 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8574 (df_bb_refs_delete): New function.
8575 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8576 * df-core.c (df_set_blocks): Added code to properly clean out
8577 unused blocks if they are not part of the blocks to consider.
8578 Added additional null check.
8579 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8580 be able to clean out basic block when not necessary
8581 * df.h (df_free_bb_function): Ditto.
8582 (df_bb_refs_delete): New function.
8583 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8584 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8585 basic block parameter to be able to clean out basic block when not
8587 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8588 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8589 Fixed to properly delete information if df is unused before
8592 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8594 PR rtl-optimization/25799
8595 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8596 Corrected confluence operator to remove bits from op2 before oring
8597 with op1 rather than removing bits from op1.
8598 (df_ru_transfer_function): Corrected test on wrong bitmap which
8599 caused infinite loop. Both of these problems were introduced in
8600 the dataflow rewrite.
8602 2006-01-19 DJ Delorie <dj@redhat.com>
8604 * reload1.c (find_reload_regs): Note the details of reload
8605 failures in the dump file.
8606 (spill_failure): Likewise.
8608 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8610 * loop-iv.c: Include df.h and hashtab.h.
8611 (enum iv_grd_result): New enum.
8612 (DF_REF_IV, DF_REF_IV_SET): New macros.
8613 (struct biv_entry): New.
8614 (df, bivs): New global variables.
8615 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8616 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8618 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8619 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8620 analyzed_for_bivness_p, record_biv): New functions.
8621 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8622 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8623 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8625 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8627 (iv_number_of_iterations): Use new interface to iv analysis.
8628 * loop-unroll.c: Do not include varray.h.
8629 (analyze_iv_to_split_insn): Use new interface to iv
8631 * loop-unswitch.c (may_unswitch_on): Ditto.
8632 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8634 (df_bb_modify): Realloc tables to the new index.
8635 (df_find_use): New function.
8636 * df.h (df_find_use): Declare.
8637 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8639 * cfgloop.h (struct rtx_iv): Remove analysed field.
8640 (iv_get_reaching_def): Removed.
8641 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8642 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8643 (loop-iv.o): Add df.h and hashtab.h dependency.
8644 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8646 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8649 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8651 (__floatundisf, __floatundidf): Likewise.
8652 * libgcc2.h (IS_IBM_EXTENDED): Define.
8654 2006-01-19 DJ Delorie <dj@redhat.com>
8656 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8658 2006-01-19 Paul Brook <paul@codesourcery.com>
8660 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8661 as nothrow when unwinding tables are disabled.
8663 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8666 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8667 of bit-field" when in system header.
8669 2006-01-19 DJ Delorie <dj@redhat.com>
8671 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8672 the 16 bit shift limit of the m16c.
8674 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8677 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8678 * config/i386/i386.c (output_set_got): Output the label if we have one
8679 for the TARGET_DEEP_BRANCH_PREDICTION case.
8681 2006-01-19 Jan Hubicka <jh@suse.cz>
8682 H.J. Lu <hongjiu.lu@intel.com>
8683 Evandro Menezes <evandro.menezes@amd.com>
8685 * invoke.texi (generic): Document
8687 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8688 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8689 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8690 (x86_use_incdec, x86_pad_returns): New variables
8691 (TARGET_CPU_DEFAULT_generic): New constant
8692 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8693 (enum processor_type): Add generic32 and generic64.
8694 * i386.md (cpu attribute): Add generic32/generic64
8695 (movhi splitter): Behave sanely when both partial_reg_dependency and
8696 partial_reg_stall are set.
8697 (K8 splitters): Enable for generic as well.
8698 * predicates.md (incdec_operand): Use TARGET_INCDEC
8699 (aligned_operand): Avoid memory mismatch stalls.
8700 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8701 * ppro.md: Enable for generic32
8702 * i386.c (generic64_cost, generic32_cost): New.
8703 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8704 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8705 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8706 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8707 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8708 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8709 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8710 x86_accumulate_outgoing_args, x86_prologue_using_move,
8711 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8712 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8714 (x86_use_incdec, x86_pad_returns): New.
8715 (override_options): Add generic32 and generic64, translate "generic"
8716 to generic32/generic64 and "i686" to "generic32", refuse
8717 "generic32"/"generic64" as arch target.
8718 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8719 (ix86_reorg): Honor PAD_RETURNS.
8721 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8723 * tree-pretty-print.c (dump_generic_node): Handle
8724 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8725 * cgraph.c (cgraph_expand_queue): Rename from
8726 cgraph_analyze_queue. Update all users.
8727 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8728 cgraph_expand_queue.
8729 (cgraph_expand_all_functions): Likewise.
8730 (cgraph_finalize_pending_functions): Remove. Update callers.
8732 * tree.h (OMP_DIRECTIVE_P): Define.
8733 (OMP_PARALLEL_FN): Define.
8734 (OMP_PARALLEL_DATA_ARG): Define.
8735 (OMP_SECTIONS_SECTIONS): Define.
8736 * tree-pass.h (pass_expand_omp): Declare.
8737 * omp-low.c (struct omp_region): Declare.
8738 (struct omp_context): Remove fields 'parallel_type',
8739 'parallel_start_ix' and 'parallel_start_additional_args'.
8741 (struct omp_for_data): Rename from struct expand_omp_for_data.
8742 (omp_regions): New static variable.
8743 (root_omp_region): New static variable.
8744 (find_omp_clause): Make static.
8745 (is_in_combined_parallel_ctx): Remove.
8746 (is_combined_parallel): New.
8747 (extract_omp_for_data): Move earlier in the file.
8748 (workshare_safe_to_combine_p): New.
8749 (get_ws_args_for): New.
8750 (determine_parallel_type): Move earlier in the file.
8751 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8753 (omp_copy_decl): Likewise.
8754 (create_omp_child_function): Likewise.
8755 (lookup_omp_region): New.
8756 (dump_omp_region): New.
8757 (debug_omp_region): New.
8758 (debug_all_omp_regions): New.
8759 (new_omp_region): New.
8760 (scan_omp_parallel): If parallel_nesting_level > 1, the
8761 directive is nested within another parallel directive.
8762 Set OMP_PARALLEL_FN.
8763 (scan_omp_for): Do not try to handle combined parallel+for
8765 Remove FIXME comment.
8766 (scan_omp_nested): Remove.
8767 (scan_omp_1): Do not call scan_omp_nested when
8768 parallel_nesting_level is > 1.
8769 Do not change the DECL_CONTEXT of local variables found.
8770 (lookup_decl_in_outer_ctx): New.
8771 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8772 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8773 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8774 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8775 If CTX is nested, lookup VAR in the outer context when
8776 building copy assignment.
8777 (lower_send_clauses): Rename from expand_send_clauses.
8778 If CTX is nested, lookup VAR in the outer context when
8779 building copy assignments.
8780 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8781 If CTX is nested, lookup VAR in the outer context when
8782 building copy assignments.
8783 (expand_parallel_call): Rename from build_parallel_call.
8784 Handle combined parallel+workshare cases.
8785 Re-implement to emit code into the CFG.
8787 (expand_omp_parallel): Re-implement to emit code into the CFG.
8788 Call move_sese_region_to_fn to outline the sub-graph
8789 containing the parallel region.
8790 (expand_omp_for_1): Remove.
8791 (expand_omp_for_generic): Re-implement to emit code into the
8793 (expand_omp_for_static_nochunk): Likewise.
8794 (expand_omp_for_static_chunk): Likewise.
8795 (expand_omp_for): Likewise.
8796 (expand_omp_sections): Likewise.
8797 (remove_exit_barriers): New.
8798 (expand_omp_synch): New.
8800 (build_omp_regions_1): New.
8801 (build_omp_regions): New.
8802 (execute_expand_omp): New.
8803 (gate_expand_omp): New.
8804 (pass_expand_omp): Define.
8805 (lower_omp_sections): Rename from expand_omp_sections.
8806 Set OMP_SECTIONS_SECTIONS.
8807 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8808 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8809 (lower_omp_single): Rename from expand_omp_simple.
8810 (lower_omp_master): Rename from expand_omp_master.
8811 (lower_omp_ordered): Rename from expand_omp_ordered.
8812 (lower_omp_critical): Rename from expand_omp_critical.
8813 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8814 (lower_omp_for): Re-implement.
8815 (lower_omp_parallel): Re-implement.
8816 (lower_regimplify): Rename from expand_regimplify.
8817 (lower_omp_1): Rename from expand_omp_1.
8818 If there are syntax errors in the program, replace every
8819 OpenMP directive with NOP.
8820 Call lower_omp_* instead of expand_omp_*.
8821 (lower_omp): Rename from expand_omp.
8823 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8824 * tree-gimple.h (enum omp_parallel_type): Remove.
8825 (gimple_boolify): Declare extern.
8826 (find_omp_clause, determine_parallel_type): Remove.
8828 * gimple-low.c (lower_omp_directive): New.
8829 (lower_stmt): Call it.
8830 (record_vars_into): Move from ...
8831 (record_vars): ... here.
8832 Call record_vars_into with current_function_decl.
8834 * gimplify.c (struct gimplify_ctx): Remove fields
8835 combined_pre_p and combined_ctxp. Update users.
8836 (get_formal_tmp_var): Add documentation.
8837 (gimple_boolify): Make extern.
8838 (gimplify_expr_in_ctx): Remove. Update callers.
8839 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8840 will always be a BIND_EXPR.
8841 (gimplify_expr): Handle OMP_RETURN_EXPR.
8842 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8843 (OMP_PARALLEL): Add 3 operands.
8844 (OMP_SECTIONS): Add 1 operand.
8845 (OMP_RETURN_EXPR): Define.
8847 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8848 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8849 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8850 creating a circular free list.
8851 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8853 * tree-flow.h (move_sese_region_to_fn): Declare.
8854 (record_vars_into): Declare.
8855 * tree-cfg.c (make_omp_sections_edges): New.
8856 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8857 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8858 OMP_SECTIONS and OMP_SECTION.
8859 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8860 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8861 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8862 (gather_blocks_in_sese_region): New.
8863 (struct move_stmt_d): Declare.
8865 (move_block_to_fn): New.
8866 (move_sese_region_to_fn): New.
8868 * passes.c (init_optimization_passes): Schedule
8869 pass_expand_omp after pass_init_datastructures.
8871 * tree-ssa-operands.c (get_expr_operands): Handle
8872 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8873 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8875 2006-01-19 Jeff Law <law@redhat.com>
8877 * tree-vrp.c (extract_range_from_assert): Refine the result range
8878 if the variable referenced by the ASSERT_EXPR has a range and
8879 either the tentative result range or the previous range is a
8882 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8884 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8886 2006-01-19 Jan Hubicka <jh@suse.cz>
8888 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8890 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8892 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8893 (expand_compound_operation, expand_field_assignment): Fail if the
8894 bit lengths of an extract operation are out of range.
8895 (make_extraction): Compute wanted_inner_mode based on the position
8896 and length of the extraction. Make it extraction_mode for non-constant
8897 positions, and do not modify offset in that case. When generating a
8898 new MEM, use a mode that can hold the extraction while keeping correct
8899 alignment. Remove code that supported MEMs wrapped by USEs.
8900 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8902 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8904 * config/s390/s390.md ("Y", "y"): New mode attribute.
8905 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8906 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8907 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8908 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8909 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8910 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8911 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8912 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8913 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8914 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8915 "addsi3", "subsi3"): Insn patterns removed.
8916 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8917 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8918 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8919 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8920 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8921 "*sub<mode>3_cconly2"): New insn patterns.
8922 ("addsi3", "subsi3"): New expanders.
8924 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8926 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8927 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8928 existing STMT_VINFO_VECTYPE if available.
8929 (vect_mark_relevant): Add special handling for stmts that are
8930 marked as STMT_VINFO_IN_PATTERN_P.
8931 (vect_analyze_loop): Call vect_pattern_recog.
8932 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8933 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8935 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8936 (vect_recog_func_ptr): New function-pointer type.
8937 * tree-vect-patterns.c: New file.
8938 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8939 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8940 (vect_pattern_recog_1): New functions.
8941 (vect_pattern_recog_funcs): New array of function pointers.
8943 * tree-vectorizer.h (ternary_op): New enum value.
8944 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8945 declaration. Revised documentation. Removed redundant dump prints.
8946 Removed redundant argument. Added support for reduction patterns.
8947 (vectorizable_reduction): Added support for reduction patterns.
8948 (vect_transform_stmt): Added support for patterns.
8950 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8951 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8952 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8953 (expand_widen_pattern_expr): New function.
8954 (init_optabs): Initialize new optabs udot_prod_optab,
8956 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8957 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8958 (expand_widen_pattern_expr): New function declaration.
8959 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8961 * tree-inline.c (estimate_num_insns_1): Added cases for new
8962 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8963 * tree-pretty-print.c (dump_generic_node): Likewise.
8964 (op_prio): Likewise.
8965 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8966 * tree-ssa-operands.c (get_expr_operands): Added case for
8968 * tree-vect-patterns.c (widened_name_p): New function.
8969 (vect_recog_dot_prod_pattern): Added function implementation.
8970 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8971 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8972 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8973 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8975 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8976 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8977 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8978 (init_optabs): Initialize new optabs widen_ssum_optab,
8980 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8981 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8982 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8983 use instead of type of def.
8984 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8985 function implementation.
8986 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8987 widen_ssumv8hi): New.
8989 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8992 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8995 * c-decl.c (add_flexible_array_elts_to_size): New function.
8996 (finish_decl): Use it.
8998 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9000 * diagnostic.h: Include options.h.
9001 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9002 dependancies for diagnostic.h.
9003 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9005 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9007 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9008 (ssa_ro_call_cache_valid): Ditto.
9009 * tree-ssa-alias.c (sort_tags_by_id): New function.
9010 (init_transitive_clobber_worklist): Ditto.
9011 (add_to_worklist): Ditto.
9012 (mark_aliases_call_clobbered): Ditto.
9013 (compute_tag_properties): Ditto.
9014 (set_initial_properties): Ditto.
9015 (compute_call_clobbered): Ditto.
9016 (compute_may_aliases): Call compute_call_clobbered and grouping.
9017 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9018 (compute_flow_insensitive_aliasing): Grouping now happens in our
9020 (setup_pointers_and_addressables): Remove clobbering related code.
9021 (add_may_alias): Ditto.
9022 (replace_may_alias): Ditto.
9023 (get_nmt_for): Ditto.
9024 (create_global_var):
9025 (is_escape_site): Return an escape_type enumeration.
9026 * tree-flow-inline.h (is_call_clobbered): Global var does not
9027 imply call clobbered.
9028 (mark_call_clobbered): Take a reason for marking this. Remove
9029 marking of globalness, and cache invalidation.
9030 (clear_call_clobbered): Remove cache invalidation code.
9031 * tree-dfa.c (dump_variable): If details is on, dump the reason
9033 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9035 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9036 (struct var_ann_d): Ditto.
9037 (enum escape_type): New.
9038 (mark_call_clobbered): Adjust prototype.
9039 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9040 are never call clobbered.
9041 Record reasons for escaping.
9042 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9043 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9044 (ssa_ro_call_cache_valid): Ditto.
9045 (clobbered_v_may_defs): Ditto.
9046 (clobbered_vuses): Ditto.
9047 (ro_call_vuses): Ditto.
9048 (clobber_stats): New.
9049 (init_ssa_operands): Zero out clobber stats.
9050 (fini_ssa_operands): Print out clobber stats.
9051 (get_call_expr_operands): Pass callee fndecl to
9053 (add_call_clobber_ops): Remove use of cache.
9054 Add use of PURE_CONST information.
9055 (add_call_read_ops): Remove use of cache.
9056 Add use of static not_read information.
9058 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9060 Introduce TLS descriptors for i386 and x86_64.
9061 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9062 (TARGET_ANY_GNU_TLS): New macro.
9063 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9064 (struct machine_function): Add tls_descriptor_call_expanded_p.
9065 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9066 (ix86_current_function_calls_tls_descriptor): Likewise.
9067 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9068 (override_options): Introduce gnu2 tls dialect.
9069 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9071 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9073 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9074 (ix86_init_machine_status): Initialize new field.
9075 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9076 (ix86_tls_module_base): New.
9077 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9078 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9079 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9080 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9081 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9082 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9083 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9084 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9085 * config/i386/predicates.md (tls_modbase_operand): New.
9086 (tp_or_register_operand): New.
9088 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9090 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9091 (look_for_address_of): Ditto.
9092 (ipa_init): Walk the function decls.
9093 (static_execute): Don't set readonly on FUNCTION_DECL's.
9095 2006-01-18 Roger Sayle <roger@eyesopen.com>
9097 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9098 for shifts where the source and destination registers are different.
9100 2006-01-18 Paul Brook <paul@codesourcery.com>
9102 Merge from csl-arm-branch.
9103 2005-03-14 Julian Brown <julian@codesourcery.com>
9104 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9105 (aeabi_llsl): Likewise.
9106 (ashrdi3): Likewise.
9107 (aeabi_lasr): Likewise.
9108 (lshrdi3): Likewise.
9109 (aeabi_llsr): Likewise.
9110 2005-03-10 Julian Brown <julian@codesourcery.com>
9111 * config.gcc: Disable shared libgcc for SymbianOS.
9112 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9114 2006-01-18 DJ Delorie <dj@redhat.com>
9116 * c-pragma.c (handle_pragma_diagnostic): New.
9117 (init_pragma): Register it.
9118 * doc/extend.texi: Document it.
9120 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9121 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9122 (diagnostic_context): Add classify_diagnostic[].
9123 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9124 as errors if they're overridden to DK_WARNING.
9125 (diagnostic_initialize): Initialize classify_diagnostic[].
9126 (diagnostic_set_kind_override): New.
9127 (diagnostic_report_diagnostic): Check for kind changes.
9128 * opts.c (common_handle_option): Take lang_mask. Update callers.
9130 * common.opt (Werror=): New.
9131 * doc/invoke.texi: Document -Werror=*
9133 2006-01-18 Jeff Law <law@redhat.com>
9135 * tree-vrp.c (test_for_singularity): Correct test for new
9136 min limit. Use operand_equal_p rather than pointer equality
9137 for testing if new min/max values are equal.
9139 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9140 using range information until after propagation and folding.
9142 2006-01-18 Richard Henderson <rth@redhat.com>
9143 Aldy Hernandez <aldyh@redhat.com>
9144 Jakub Jelinek <jakub@redhat.com>
9145 Diego Novillo <dnovillo@redhat.com>
9147 * omp-low.c: New file.
9148 * c-omp.c: New file.
9150 2006-01-18 Richard Henderson <rth@redhat.com>
9151 Jakub Jelinek <jakub@redhat.com>
9152 Diego Novillo <dnovillo@redhat.com>
9154 * doc/invoke.texi: Document -fopenmp.
9155 * tree-dump.h (debug_function): Declare.
9156 * hooks.c (hook_bool_tree_bool_false): New function.
9157 (hook_tree_tree_null): Remove.
9158 (hook_tree_tree_tree_null): New.
9159 * hooks.h: Update to match.
9160 * tree-pretty-print.c (debug_tree_chain): New.
9161 (print_generic_expr): Handle TDF_CHAIN.
9162 (dump_generic_node): Handle BLOCK.
9163 Do not abort with incomplete SWITCH_EXPRs.
9164 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9165 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9166 print space after directive name.
9167 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9168 Handle OMP_MASTER and OMP_ORDERED.
9169 Handle printing of OMP_BODY just in one place, goto
9170 dump_omp_body in the rest of OMP_* nodes that have
9172 Don't handle clause nodes here. Update omp statements to
9173 use dump_omp_clauses.
9174 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9175 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9176 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9177 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9178 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9179 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9180 Adjust output for GOMP_PARALLEL.
9181 (dump_omp_clauses): New.
9182 (print_declaration): Dump DECL_VALUE_EXPR.
9183 (op_symbol_1): Split out of op_symbol.
9184 (dumping_stmts): Remove. Update all users.
9185 * cgraph.c (cgraph_analyze_queue): New.
9186 (cgraph_add_new_function): New.
9187 * cgraph.h (cgraph_analyze_queue): Declare.
9188 (cgraph_add_new_function): Declare.
9189 (cgraph_lower_function): Remove.
9190 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9191 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9192 and TYPE_P nodes in its default clause.
9193 (empty_body_p): New.
9194 (tree_range_check_failed): New.
9196 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9197 OMP_CLAUSE_REDUCTION_MERGE,
9198 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9199 OMP_CLAUSE_PRIVATE_DEBUG,
9200 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9201 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9202 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9203 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9204 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9205 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9206 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9207 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9208 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9209 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9210 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9211 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9212 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9213 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9214 (TREE_RANGE_CHECK): New.
9215 (empty_body_p): Declare.
9216 (enum omp_clause_default_kind): New.
9217 (build_string_literal): Declare.
9218 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9219 (build5_stat, build5): Declare.
9220 * tree-pass.h (TDF_CHAIN): Define.
9221 * tree-pass.h (PROP_gimple_lomp): Define.
9222 (pass_lower_omp): Declare.
9223 * diagnostic.h (debug_tree_chain): Declare.
9224 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9226 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9227 * builtins.c (build_string_literal): Make extern.
9228 * gcc.c (include_spec_function): New.
9229 (static_spec_functions): Add it.
9230 (main): Move load of libgomp.spec ...
9231 (LINK_COMMAND_SPEC): ... here.
9232 (link_gomp_spec): New.
9233 (static_specs): Include it.
9234 (LINK_COMMAND_SPEC): Add link_gomp.
9235 (GOMP_SELF_SPECS): New.
9236 (driver_self_specs): Include it.
9237 (switch_matches): Don't mark inline.
9238 (main): Load libgomp.spec.
9239 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9240 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9241 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9242 * tree-gimple.h (enum omp_parallel): Declare.
9243 (determine_parallel_type): Declare.
9244 (omp_firstprivatize_variable): Declare.
9245 (omp_reduction_init): Declare.
9246 (diagnose_omp_structured_block_errors): Declare.
9247 (struct walk_stmt_info): Add want_return_expr.
9248 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9249 (find_omp_clause): Declare.
9250 (insert_field_into_struct): Declare.
9251 (struct walk_stmt_info): Move from tree-nested.c
9252 (walk_stmts): Declare.
9253 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9255 * cgraphunit.c (cgraph_lower_function): Make static.
9256 (cgraph_finalize_pending_functions): New.
9257 (cgraph_finalize_function): Call it.
9258 (cgraph_finalize_compilation_unit): Likewise.
9259 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9260 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9261 (BT_FN_UINT_UINT): New.
9262 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9263 DEF_FUNCTION_TYPE_VAR_4): Document.
9264 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9265 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9266 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9267 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9268 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9269 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9270 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9271 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9272 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9273 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9274 into separate files.
9275 (DEF_GOMP_BUILTIN): New.
9276 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9277 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9278 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9279 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9280 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9281 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9282 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9283 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9284 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9285 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9286 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9287 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9288 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9289 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9290 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9291 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9292 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9293 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9294 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9295 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9296 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9297 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9298 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9299 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9300 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9301 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9302 * sync-builtins.def: New file, moved from builtins.def.
9303 * omp-builtins.def: New file, moved from builtins.def.
9304 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9305 * gimple-low.c (lower_function_body): Clear data.
9306 (lower_stmt): Do not handle COMPOUND_EXPR.
9307 Remove call to print_node_brief.
9308 * c-tree.h (c_finish_omp_clauses): New prototype.
9309 (C_DECL_THREADPRIVATE_P): Define.
9310 (lookup_name_no_remap, c_omp_remap_private): Remove
9311 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9312 (check_for_loop_decls): Update decl.
9313 (lookup_name_no_remap, c_omp_remap_private): Declare.
9314 (build_indirect_ref, build_modify_expr, pushdecl,
9315 pushdecl_top_level): Move to c-common.h.
9316 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9317 before the switch, but just in the 2 places that need it.
9318 * c-decl.c (diagnose_mismatched_decls): Do not check for
9319 mismatched thread-local attributes when OLDDECL is marked
9320 threadprivate and NEWDECL has no thread-local attributes.
9321 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9322 (c_gimple_diagnostics_recursively): Rename from
9323 c_warn_unused_result_recursively. Invoke
9324 diagnose_omp_structured_block_errors.
9325 (check_for_loop_decls): Return a singular decl found.
9326 * langhooks.c (lhd_omp_predetermined_sharing): Return
9327 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9328 (lhd_omp_firstprivatize_type_sizes): New.
9329 (lhd_omp_assignment): New.
9330 (lhd_omp_predetermined_sharing): New.
9331 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9332 (struct lang_hooks_for_types): Add
9333 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9334 omp_predetermined_sharing, omp_disregard_value_expr,
9335 omp_private_debug_clause, omp_clause_default_ctor,
9336 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9337 (c_finish_omp_clauses): New.
9338 (c_finish_bc_stmt): Diagnose break within omp for.
9339 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9340 (build_unary_op): Return error_mark after reporting
9342 (build_modify_expr): Likewise.
9343 * gimplify.c: Include optabs.h and pointer-set.h.
9344 (enum gimplify_omp_var_data): Declare.
9345 (struct gimplify_omp_ctx): Declare.
9346 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9348 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9349 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9350 (splay_tree_compare_decl_uid): New.
9351 (new_omp_context): New.
9352 (delete_omp_context): New.
9353 (gimple_add_tmp_var): Call omp_add_variable.
9354 (gimplify_bind_expr): Likewise.
9355 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9356 true, disregard DECL_VALUE_EXPR on the decl if any.
9357 (gimplify_expr_in_ctx): New.
9358 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9359 omp_add_variable, omp_notice_variable, omp_is_private
9360 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9361 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9362 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9363 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9364 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9365 gimplify_omp_atomic): New.
9366 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9367 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9368 OMP_CRITICAL and OMP_ATOMIC.
9369 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9370 * c-pragma.h (enum pragma_kind): Add
9371 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9372 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9373 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9374 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9375 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9376 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9377 PRAGMA_OMP_THREADPRIVATE.
9378 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9379 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9380 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9381 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9382 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9383 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9384 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9385 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9386 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9387 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9388 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9389 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9390 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9392 (struct nesting_info): Add field_map,
9393 suppress_expansion, debug_var_chain.
9394 (create_nesting_tree): Initialize them.
9395 (lookup_field_for_decl): Use field_map.
9396 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9397 (convert_local_omp_clauses): New.
9398 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9399 (walk_body): Split out of walk_function.
9400 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9401 (convert_nonlocal_reference): Handle omp statements.
9402 (convert_local_reference): Likewise.
9403 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9404 (unnest_nesting_tree): New.
9405 (lower_nested_functions): Call it.
9406 (insert_field_into_struct): Make extern.
9407 (struct walk_stmt_info): Move to tree-gimple.h.
9408 (walk_stmts): Make extern.
9409 * omp-builtins.def: New file.
9410 * tree-iterator.c (expr_only): Clarify comment.
9411 * c-common.h (pushdecl_top_level, pushdecl,
9412 build_modify_expr, build_indirect_ref,
9413 c_finish_omp_master, c_finish_omp_critical,
9414 c_finish_omp_ordered, c_finish_omp_barrier,
9415 c_finish_omp_atomic, c_finish_omp_flush,
9416 c_finish_omp_for, c_split_parallel_clauses,
9417 omp_clause_default_kind, c_omp_sharing_predetermined,
9418 c_omp_remap_decl): Declare.
9419 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9420 (OBJS-common): Add omp-low.o.
9421 (c-omp.o, omp-low.o): Add.
9422 (gimplify.o): Add dependency on $(OPTABS_H).
9423 (GTFILES): Add omp-low.c.
9424 (gt-stringpool.h): Add.
9425 * tree-cfg.c (set_bb_for_stmt): Do not update the
9426 block-to-labels map if we are currently expanding to RTL.
9427 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9429 Handle IDENTIFIER_NODE.
9430 (tree_verify_flow_info): Do not ICE when emitting error
9431 messages about invalid labels.
9432 (dump_function_to_file): Reset CFUN before emitting the body
9434 (debug_function): New.
9435 * passes.c (init_optimization_passes): Schedule
9437 * langhooks-def.h (lhd_omp_predetermined_sharing,
9438 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9440 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9441 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9442 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9443 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9444 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9445 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9446 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9447 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9448 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9449 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9450 (LANG_HOOK_DECLS): Use them.
9452 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9453 Richard Henderson <rth@redhat.com>
9454 Jakub Jelinek <jakub@redhat.com>
9455 Diego Novillo <dnovillo@redhat.com>
9457 * c-parser.c (pragma_omp_clause): Define.
9458 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9459 (c_parser_compound_statement): Likewise.
9460 (c_parser_statement): Likewise.
9461 (c_parser_pragma): Handle omp pragmas.
9462 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9463 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9464 (c_parser_omp_clause_name, check_no_duplicate_clause,
9465 c_parser_omp_variable_list,
9466 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9467 c_parser_omp_clause_copyprivate,
9468 c_parser_omp_clause_default,
9469 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9470 c_parser_omp_clause_lastprivate,
9471 c_parser_omp_clause_nowait,
9472 c_parser_omp_clause_num_threads,
9473 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9474 c_parser_omp_clause_reduction,
9475 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9476 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9477 c_parser_omp_atomic, c_parser_omp_barrier,
9478 c_parser_omp_critical, c_parser_omp_flush,
9479 c_parser_omp_for_loop, c_parser_omp_for,
9480 c_parser_omp_master, c_parser_omp_ordered,
9481 c_parser_omp_sections_scope, c_parser_omp_sections,
9482 c_parser_omp_parallel, c_parser_omp_single,
9483 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9484 * c-pragma.c (init_pragma): Do omp pragma registration here.
9485 * c.opt (fopenmp): New flag.
9487 2006-01-18 Eric Christopher <echristo@apple.com>
9489 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9490 * config/darwin.h (GOMP_SELF_SPECS): Define.
9492 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9494 * rtl.h: Remove the prototype for reg_alloc.
9496 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9499 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9500 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9501 sjlj and dwarf2 exception handling.
9502 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9503 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9504 * pa/pa.c (function_value): Treat complex and vector types as
9506 (function_arg): Likewise. Only pass scalar floats in the floating
9507 point argument registers.
9508 * pa/t-slibgcc-dwarf-ver: New file.
9509 * pa/t-slibgcc-sjlj-ver: New file.
9510 * pa/t-slibgcc-elf-ver: Delete file.
9512 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9514 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9515 unlikely_test_section_p test.
9517 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9519 * mode-switching.c (optimize_mode_switching): Make it static.
9520 * basic-block.h: Remove the prototype for
9521 optimize_mode_switching.
9523 * modulo-sched.c (sms_schedule): Make it static.
9524 * rtl.h: Remove the prototype for sms_schedule.
9526 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9527 * rtl.h: Remove the prototype for gcse_after_reload_main.
9529 * reg-stack.c (reg_to_stack): Make it static.
9530 * rtl.h: Remove the prototype for reg_to_stack.
9532 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9534 * rtl.h: Remove the prototypes for regrename_optimize and
9535 copyprop_hardreg_forward.
9537 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9539 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9540 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9541 Test against the appropriate null constant for the mode.
9542 If 'fixup_overlap' is true, swap the operands if they overlap.
9543 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9544 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9545 alpha_split_tmode_pair and adjust for above change.
9546 * config/alpha/alpha.md (movtf_internal): Adjust call to
9547 alpha_split_tfmode_pair and rely on it to swap the operands.
9548 (movti_internal): New insn and post-reload splitter.
9549 (movti): New expander.
9551 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9553 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9556 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9558 * rtlanal.c (global_reg_mentioned_p_1,
9559 global_reg_mentioned_p): Remove.
9560 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9562 * flow.c (initialize_uninitialized_subregs): Make it static.
9563 * rtl.h: Remove the prototype for
9564 initialize_uninitialized_subregs.
9566 * function.c (instantiate_virtual_regs): Make it static.
9567 * function.h: Remove the prototype for
9568 instantiate_virtual_regs.
9570 * regmove.c (regmove_optimize, combine_stack_adjustments):
9572 * rtl.h: Remove the prototypes for regmove_optimize and
9573 combine_stack_adjustments.
9575 2006-01-17 Roger Sayle <roger@eyesopen.com>
9577 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9578 (size_cost): Encode costs in bytes so that a reg-reg addition is
9579 equivalent to COSTS_N_INSNS(1).
9580 (override_options): Use the size_cost.branch_cost as the default
9581 ix86_branch_cost when optimizing for size.
9583 2006-01-18 Ben Elliston <bje@au.ibm.com>
9585 * Makefile.in (D32PBIT_FUNCS): New.
9586 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9587 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9588 D64PBIT_FUNCS and D128PBIT_FUNCS.
9589 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9590 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9592 (decnumber_dep): Define.
9593 * doc/libgcc.texi (Decimal float library routines): New node.
9594 * config/dfp-bit.h, config/dfp-bit.c: New files.
9596 2006-01-18 Ben Elliston <bje@au.ibm.com>
9598 * expr.c (emit_move_change_mode): Always adjust addresses, not
9599 just during reload. Copy replacements only during reload.
9600 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9601 emit_move_via_integer.
9603 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9605 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9606 instead of $(srcdir) and ${srcdir}.
9608 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9612 * arm.h (struct machine_function): Add pic_reg.
9613 * arm.c (arm_pic_register): Make unsigned.
9614 (arm_override_options): Only set arm_pic_register if
9615 TARGET_SINGLE_PIC_BASE.
9616 (use_return_insn): Only test for a pic register if it is fixed.
9617 (arm_compute_save_reg0_reg12_mask): Likewise.
9618 (thumb_compute_save_reg_mask): Likewise.
9619 (legitimate_pic_operand): Factor out some known invariants.
9620 (legitimize_pic_address): If we don't have a fixed pic register,
9621 then set up a pseudo in the function entry sequence. Handle the
9622 pic base being in a pseudo.
9623 (arm_load_pic_register): Handle the pic register being in a pseudo.
9624 (arm_expand_prologue): Only set up the pic register if it is fixed.
9625 (thumb_expand_prologue): Likewise.
9626 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9627 (pic_load_addr_based_insn): Likewise.
9628 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9631 2006-01-18 Ben Elliston <bje@au.ibm.com>
9633 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9634 decimal float modes for all floating point registers.
9636 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9637 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9639 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9642 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9643 even when the pointer is not NULL.
9645 2006-01-16 Ian Lance Taylor <ian@airs.com>
9647 * common.opt (ftoplevel-reorder): New option.
9648 * cgraph.c (cgraph_asm_nodes): New global variable.
9649 (cgraph_asm_last_node): New static variable.
9650 (cgraph_order): New global variable.
9651 (cgraph_create_node): Set new order field.
9652 (cgraph_varpool_node): Likewise.
9653 (decide_is_variable_needed): Return true if not
9654 flag_toplevel_reorder.
9655 (cgraph_add_asm_node): New function.
9656 * cgraph.h (struct cgraph_node): Add order field.
9657 (struct cgraph_varpool_node): Add order field.
9658 (struct cgraph_asm_node): Define.
9659 (cgraph_asm_nodes, cgraph_order): Declare.
9660 (cgraph_add_asm_node): Declare.
9661 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9663 (cgraph_varpool_assemble_pending_decls): Call it.
9664 (cgraph_output_pending_asms): New static function.
9665 (cgraph_finalize_compilation_unit): Call it.
9666 (struct cgraph_order_sort): Define.
9667 (cgraph_output_in_order): New static function.
9668 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9669 !flag_toplevel_reorder case.
9670 * c-parser.c: Include "cgraph.h".
9671 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9673 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9674 than -fno-unit-at-a-time.
9675 * doc/invoke.texi (Option Summary): Mention
9676 -fno-toplevel-reorder.
9677 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9678 -funit-at-a-time documentation.
9680 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9681 Kazu Hirata <kazu@codesourcery.com>
9683 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9685 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9687 * Makefile.in (FUNCTION_H): New. Use it instead of
9688 function.h throughout the file.
9689 * function.h: Include tree.h.
9691 2006-01-17 Ben Elliston <bje@au.ibm.com>
9693 * recog.c: Separate some functions with whitespace.
9695 2006-01-16 Richard Henderson <rth@redhat.com>
9697 Merge from gomp branch:
9698 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9699 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9700 and rename from struct inline_data. Rename callee* to dst*;
9701 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9702 transform_new_cfg, transform_return_to_modify, and
9703 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9705 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9706 (copy_decl_for_dup): Remove.
9707 * tree-inline.c (struct inline_data): Move to header.
9708 (insert_decl_map): Export.
9709 (remap_decl): Update for member name changes. Use copy_decl hook.
9710 Allow for replacement to be a non-decl. Remove dead code.
9711 (remap_type_1): Check for existing mapping.
9712 (remap_type): Export.
9713 (remap_decls): Update for member name changes.
9714 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9715 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9716 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9717 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9718 (tree_function_versioning, build_duplicate_type): Likewise.
9719 (copy_body_r): Likewise. Export.
9720 (copy_decl_for_dup): Split into ...
9721 (copy_decl_for_dup_finish, copy_decl_to_var,
9722 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9723 (replace_ref_tree, inlining_p): Remove.
9725 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9727 * ifcvt.c (if_convert): Make it static.
9728 * rtl.h: Remove the prototype for if_convert.
9730 * local-alloc.c (local_alloc): Make it static.
9731 * rtl.h: Remove the prototype for local_alloc.
9733 * loop.c (loop_optimize): Make it static.
9734 * cfgloop.h: Remove the prototype for loop_optimize.
9737 2006-01-16 DJ Delorie <dj@redhat.com>
9739 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9742 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9744 * pa.md: Disparage copies between general and floating-point registers
9745 in 32-bit move patterns.
9747 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9750 * Makefile.in (check-%): Depend on site.exp instead of
9751 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9754 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9756 * global.c (global_alloc): Make it static.
9757 * rtl.h: Remove the prototype for global_alloc.
9759 2006-01-16 Richard Guenther <rguenther@suse.de>
9761 * tree-ssa-alias.c (struct used_part): Add write_only field.
9762 (get_or_create_used_part_for): Initialize it to true.
9763 (create_overlap_variables_for): Don't create structure variables
9764 for structures that only are written to.
9765 (find_used_portions): Handle MODIFY_EXPR to track whether a
9766 structure is only written to.
9768 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9770 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9772 * basic-block.h: Remove the prototype for
9773 partition_hot_cold_basic_blocks.
9775 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9777 * cppspec.c (lang_specific_spec_functions): Remove.
9778 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9779 * gcc.h (lang_specific_spec_functions): Remove.
9780 * gccspec.c (lang_specific_spec_functions): Remove.
9782 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9784 * combine.c (record_value_for_reg): Invalidate registers
9786 (record_dead_and_set_regs_1): Likewise, by passing them to
9787 record_value_for_reg.
9788 (record_dead_and_set_regs): Invalidate stores made by a
9789 call. We do not combine across a call, but we still
9790 relied on equivalences.
9792 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9794 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9795 vrp_int_const_binop returning non-constant nodes.
9797 2006-01-16 Paul Brook <paul@codesourcery.com>
9799 * config/m68k/m68k.c (output_move_const_into_data_reg):
9800 Output correct mnemonic for mvz and mvs.
9802 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9804 * rtl-factoring.c: Add sequence abstraction algorithm.
9805 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9806 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9808 (block_has_preserve_label): New function.
9809 * common.opt: Register new pass.
9810 * Makefile.in: Ditto.
9812 * timevar.def: Ditto.
9813 * tree-pass.h: Ditto.
9814 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9815 * rtl.h (make_jump_insn_raw): Add forward decl.
9816 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9818 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9819 Roger Sayle <roger@eyesopen.com>
9821 * fold-const.c (fold_minmax): New static function.
9822 (fold_binary) <MIN_EXPR>: Call it.
9823 <MAX_EXPR>: Likewise.
9824 * stor-layout.c (place_field): Use DECL_SIZE consistently
9825 in the computation of the new record size.
9827 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9829 * cse.c (cse_condition_code_reg): Make it static.
9830 * rtl.h: Remove the prototype for cse_condition_code_reg.
9832 * combine.c (combine_instructions): Make it static.
9833 * rtl.h: Remove the prototype for combine_instructions.
9835 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9838 * tree.c (get_file_function_name_long): Concatenate the first global
9839 object name with a string derived from the input filename of the object
9842 2006-01-16 Ben Elliston <bje@au.ibm.com>
9844 * config/i386/winnt-stubs.c: Update FSF address.
9845 * config/xtensa/ieee754-df.S: Ditto.
9846 * config/xtensa/ieee754-sf.S: Ditto.
9848 2006-01-14 Ian Lance Taylor <ian@airs.com>
9850 * ifcvt.c (noce_init_if_info): New static function, broken out of
9851 noce_process_if_block.
9852 (noce_process_if_block): Call noce_init_if_info.
9853 (check_cond_move_block): New static function.
9854 (cond_move_process_if_block): New static function.
9855 (process_if_block): Call cond_move_process_if_block.
9857 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9859 * cselib.c (hash_table): Rename to cselib_hash_table.
9860 (cselib_clear_table, discard_useless_values,
9861 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9862 cselib_init, cselib_finish): Adjust uses of hash_table.
9864 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9866 PR tree-optimization/25485
9867 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9868 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9869 is known to be false and true, respectively.
9871 2006-01-14 Richard Guenther <rguenther@suse.de>
9873 PR tree-optimization/22548
9874 PR tree-optimization/22555
9875 PR tree-optimization/22501
9876 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9877 * params.def (salias-max-array-elements): New parameter.
9878 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9879 * doc/invoke.texi (salias-max-array-elements): Document.
9880 * tree-flow-inline.h (var_can_have_subvars): We also handle
9882 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9884 * tree-ssa-structalias.c (params.h): Include.
9885 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9886 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9887 (get_constraint_for): For ADDR_EXPR operating on something
9888 containing an ARRAY_REF, add all subvars to the solution.
9889 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9890 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9891 for creating MUST_DEFs.
9892 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9894 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9896 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9898 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9899 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9900 number_of_iterations_le): New functions.
9901 (number_of_iterations_special): Removed.
9902 (number_of_iterations_exit): Do not use number_of_iterations_special.
9903 * tree.c (unsigned_type_for): Always return integer type.
9905 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9906 Richard Guenther <rguenther@suse.de>
9908 PR rtl-optimization/24257
9909 * gcse.c (find_moveable_store): Only consider a store movable
9910 when the SET_SRC of the insn can be assigned to a register.
9912 2006-01-14 Ian Lance Taylor <ian@airs.com>
9914 * tree.c (tree_not_class_check_failed): New function.
9915 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9916 (tree_not_class_check_failed): Declare.
9918 2006-01-13 Ian Lance Taylor <ian@airs.com>
9920 * reload1.c (do_output_reload): Add assertion rejecting a
9923 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9925 * combine.c (struct reg_stat): Add new fields truncation_label and
9927 (record_value_for_reg): Reset truncated_to_mode.
9928 (record_truncated_value): New function.
9929 (check_promoted_subreg): Call it. Rename to check_conversions.
9930 (combine_instructions): Rename check_promoted_subreg to
9932 (reg_truncated_to_mode): New function.
9933 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9934 (gen_lowpart_or_truncate): New function.
9935 (force_to_mode): Use it instead of gen_lowpart.
9937 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9939 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9940 VAR is a tag, not its type tag.
9942 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9944 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9945 alternatives to match style of other entries.
9946 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9948 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9950 PR tree-optimization/25771
9951 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9954 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9957 * tree-inline.c (declare_return_variable): If the return variable
9958 was marked as a non gimple complex, set the return slot variable
9959 to be a non gimple comple variable.
9961 2006-01-13 Richard Guenther <rguenther@suse.de>
9963 * builtins.c (expand_builtin_sincos): New function.
9964 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9966 (expand_builtin): Expand sincos using expand_builtin_sincos.
9968 2006-01-12 DJ Delorie <dj@redhat.com>
9970 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9971 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9972 so that constant shifts can be split.
9973 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9974 (m32c_valid_pointer_mode): Make static.
9975 (shift_gen_func_for): New.
9976 (m32c_prepare_shift): Use it. Split large const shifts into
9978 * config/m32c/predicates.md (shiftcount_operand): Allow more
9980 (longshiftcount_operand): New.
9981 * doc/md.texi (Machine Constraints): Document In6.
9983 2006-01-13 Ben Elliston <bje@au.ibm.com>
9985 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9986 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9989 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9991 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9992 to try to avoid clobbering pieces of structures when we know
9993 something about the whole structure.
9994 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9996 2006-01-13 Ben Elliston <bje@au.ibm.com>
9998 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9999 return in memory, as this is no limitation is no longer present.
10001 2006-01-12 DJ Delorie <dj@redhat.com>
10003 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10004 mova with fb, and for fb+0 -> An.
10006 * config/m32c/mov.md (peephole2): Fix enabling logic.
10008 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10009 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10010 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10011 FINI_ARRAY_SECTION_ASM_OP): Define.
10013 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10015 (m32c_legitimize_reload_address): New logic to reload FB to An.
10016 (m32c_output_reg_push): Add newline.
10017 (m32c_output_reg_pop): Likewise.
10019 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10021 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10023 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10025 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10027 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10029 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10032 2006-01-11 Ben Elliston <bje@au.ibm.com>
10034 * rtlanal.c (find_reg_note): Assert insn is not null.
10036 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10038 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10041 2006-01-11 Jeff Law <law@redhat.com>
10043 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10045 (mark_threaded_blocks, register_jump_thread): New functions.
10046 (thread_through_all_blocks): Remove unwanted argument. No
10047 longer rely on e->aux to communicate thread target info.
10048 Call mark_threaded_blocks. Release the threaded_blocks
10049 bitmap and threaded_edges vector when complete.
10050 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10051 (threaded_blocks): Remove.
10052 (tree_ssa_dominator_optimize): Remove initialization and
10053 finalization of threaded_blocks. Simplify call to
10054 thread_through_all_blocks.
10055 (thread_across_edge): Call register_jump_thread rather than
10056 storing thread information into e->aux.
10057 (free_all_edge_infos): Simplify now that e->aux is no longer
10058 used to communicate with thread_through_all_blocks.
10059 * tree-flow.h (thread_through_all_blocks): Update prototype.
10060 (register_jump_thread): Prototype.
10062 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10064 * df-core.c (df_compact_blocks, df_bb_replace): Use
10065 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10067 2006-01-11 Richard Guenther <rguenther@suse.de>
10069 PR tree-optimization/25734
10070 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10071 stop propagation after successful propagation to the LHS.
10073 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10075 * basic-block.h (control_flow_graph): Change the type of
10076 x_basic_block_info to VEC(basic_block,gc) *.
10077 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10079 (SET_BASIC_BLOCK): New.
10080 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10081 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10082 * cfgbuild.c (find_basic_blocks): Likewise.
10083 * cfglayout.c (fixup_reorder_chain): Likewise.
10084 * cfgrtl.c (create_basic_block_structure,
10085 rtl_create_basic_block): Likewise.
10086 * ifcvt.c (find_if_case_1): Likewise.
10087 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10090 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10092 * Makefile.in: Removed rotted odf.c entry.
10094 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10097 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10098 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10099 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10100 output pattern modifier, not %e.
10101 * config/cris/cris.c (cris_op_str): Update comment about pattern
10103 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10104 before falling through into...
10105 <case 'E'>: Redefined from old 'e' case.
10107 2006-01-11 Jan Hubicka <jh@suse.cz>
10110 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10112 2006-01-11 Jan Hubicka <jh@suse.cz>
10114 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10115 * i386.c (x86_decompose_lea): Kill.
10116 (ix86_rtx_costs): Kill.
10118 2006-01-11 Jan Hubicka <jh@suse.cz>
10120 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10121 * cgraph.h (cgraph_node): Add inline_decl.
10122 (cgraph_insert_node_to_hashtable): Declare.
10123 (save_inline_function_body): Declare.
10124 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10126 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10127 (cgraph_function_versioning): Update call of tree_function_versioning.
10128 (save_inline_function_body): New function.
10129 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10130 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10131 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10132 (cgraph_default_inline_p): Likewise.
10133 (cgraph_decide_inlining_incrementally): Likewise.
10134 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10135 (copy_bb): Kill saving; do updating of clones.
10136 (copy_cfg_body): Kill saving.
10137 (initialize_inlined-parameters): Likewise.
10138 (expand_call_inline): Likewise.
10140 (tree_function_versioning): New parameter "update_clones".
10141 (inlining_p): Kill saving.
10142 * tree-inline.h (tree_function_versioning): Update prototype.
10143 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10146 2006-01-11 Ian Lance Taylor <ian@airs.com>
10148 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10149 Allow undoing set of machine mode.
10150 (do_SUBST): Use enums instead of is_int.
10151 (do_SUBST_MODE): New function.
10152 (SUBST_MODE): New macro.
10153 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10154 reg and trying to replace reg_regno_rtx with a new register.
10155 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10156 (simplify_set): Use SUBST_MODE.
10157 (distribute_notes): Remove code that tried to update reg notes
10158 for regno_reg_rtx changes.
10160 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10162 PR tree-optimization/23109
10163 PR tree-optimization/23948
10164 PR tree-optimization/24123
10166 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10167 * tree-cfg.c (single_noncomplex_succ): New.
10168 * tree-flow.h (single_noncomplex_succ): Declare it.
10169 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10170 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10171 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10172 insert_bb, register_division_in, insert_reciprocals,
10173 replace_reciprocal, free_bb): New.
10174 (execute_cse_reciprocals_1): Rewritten.
10175 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10176 Do not commit any edge insertion. Always compute dominators and
10177 create the allocation pool.
10178 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10179 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10180 * targhooks.c (default_min_divistions_for_recip_mul): New.
10181 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10182 * passes.c (init_optimization_passes): Run recip after tree loop
10184 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10186 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10187 Kenneth Zadeck <zadeck@naturalbridge.com>
10189 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10190 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10191 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10192 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10193 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10194 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10195 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10196 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10197 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10198 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10199 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10200 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10201 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10202 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10203 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10204 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10205 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10206 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10207 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10208 DF_SCAN_POST_ALLOC): New macros.
10209 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10210 df_free_bb_function, df_local_compute_function, df_init_function,
10211 df_dataflow_function, df_confluence_function_0,
10212 df_confluence_function_n, df_transfer_function,
10213 df_finalizer_function, df_free_function, df_dump_problem_function,
10214 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10215 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10216 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10217 df_urec_bb_info, ) New types.
10218 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10220 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10221 df_analyze_simple_change_some_blocks,
10222 df_analyze_simple_change_one_block, df_compact_blocks,
10223 df_bb_replace, df_bb_regno_last_use_find,
10224 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10225 df_insn_regno_def_p, df_find_def, df_find_use,
10226 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10227 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10228 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10229 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10230 debug_df_chain, df_get_dependent_problem, df_chain_create,
10231 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10232 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10233 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10234 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10235 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10236 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10237 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10238 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10239 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10240 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10241 df_reorganize_refs, df_set_state, df_hard_reg_init,
10242 df_read_modify_subreg_p) New public functions.
10243 * df-core.c: The core dataflow solver and glue routines for rtl
10245 (df_init, df_add_problem, df_set_blocks, df_finish,
10246 df_hybrid_search_forward, df_hybrid_search_backward,
10247 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10248 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10249 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10250 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10251 df_reg_defined, df_find_use, df_reg_used, df_dump,
10252 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10253 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10254 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10255 debug_df_useno, reset_df_after_reload): New functions.
10256 * df-scan.c: The scanning fuctions, once in df.c, completely
10257 rewritten so that they now fully model the functionality of
10258 register usage at the backend.
10259 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10260 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10261 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10262 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10263 df_get_artificial_defs, df_get_artificial_uses,
10264 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10265 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10266 df_refs_delete, df_reorganize_refs, df_set_state,
10267 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10268 df_def_record_1, df_defs_record, df_uses_record,
10269 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10270 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10271 df_record_exit_block_uses, df_hard_reg_init): New functions.
10273 * df-problems.c: Seven concrete dataflow problems that use the
10274 scanning in df-scan.c and are solved by the engine in df-core.c.
10275 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10276 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10277 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10278 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10279 df_ru_free_bb_info, df_ru_alloc,
10280 df_ru_bb_local_compute_process_def,
10281 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10282 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10283 df_ru_transfer_function, df_ru_free, df_ru_dump,
10284 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10285 df_rd_free_bb_info, df_rd_alloc,
10286 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10287 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10288 df_rd_transfer_function, df_rd_free, df_rd_dump,
10289 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10290 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10291 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10292 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10293 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10294 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10295 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10296 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10297 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10298 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10299 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10300 df_urec_mark_reg_use_for_earlyclobber,
10301 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10302 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10303 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10304 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10305 df_chain_create_bb_process_use, df_chain_create_bb,
10306 df_chain_finalize, df_chain_free, df_chains_dump,
10307 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10308 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10309 df_reg_lifetime): New functions.
10310 * df.c: Deleted file.
10311 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10312 consistent with new df api.
10313 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10314 rest_of_handle_sms): Ditto.
10315 * web.c (unionfind_union, union_defs, entry_register, web_main):
10317 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10318 invariant_expr_equal_p, find_defs, check_dependencies,
10319 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10320 free_inv_motion_data, move_loop_invariants): Ditto.
10321 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10322 Update dependencies.
10323 (odf.c): Added defective entry that was deleted later in day.
10324 * sched-deps.c (sched_analyze_1): Ditto.
10326 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10328 * tree-ssa-operands.c (get_expr_operands): Record addressable
10329 variables directly. Do not call add_stmt_operands for CONST_DECLs
10331 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10332 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10334 2006-01-11 Ben Elliston <bje@au.ibm.com>
10336 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10337 function returns true in the positive case.
10339 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10342 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10343 for SI, DI, SF and DF modes. Add alternatives to copy between
10344 general and floating point registers to the 32-bit patterns.
10345 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10346 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10347 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10348 generating 64-bit code.
10349 * config/pa/pa.c (output_move_double): Handle copies between general
10350 and floating registers.
10352 2006-01-10 Stuart Hastings <stuart@apple.com>
10354 * config/i386/i386.md (set_got): Update.
10355 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10356 (builtin_setjmp_receiver): Mach-O support.
10357 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10358 (GOT_SYMBOL_NAME): Define.
10359 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10360 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10361 * config/i386/i386.c (override_options): Revise for Darwin.
10362 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10363 support. (darwin_x86_file_end): New. (output_set_got): Add label
10364 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10365 * config/i386/i386-protos.h (output_set_got): Likewise.
10366 * config/darwin.c (machopic_legitimize_pic_address): Update
10369 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10371 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10372 when MODE isn't BLKmode.
10374 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10376 PR rtl-optimization/25367
10377 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10379 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10382 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10383 for a negative bound.
10385 2006-01-10 Richard Guenther <rguenther@suse.de>
10387 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10388 Never override with anything constraint.
10390 2006-01-10 Jan Beulich <jbeulich@novell.com>
10392 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10393 256 bits when optimize_size.
10395 2006-01-10 Jan Beulich <jbeulich@novell.com>
10397 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10399 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10400 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10403 2006-01-10 Ben Elliston <bje@au.ibm.com>
10405 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10407 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10408 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10409 (USE_FP_FOR_ARG): Reject decimal float modes.
10410 (function_arg_advance): Likewise.
10411 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10412 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10413 point types in AltiVec vectors.
10414 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10415 (rs6000_libcall_value): Likewise.
10417 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10419 * config/xtensa/ieee754-df.S: New file.
10420 * config/xtensa/ieee754-sf.S: New file.
10421 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10422 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10423 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10425 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10427 * config/sh/predicates.md (binary_float_operator,
10428 binary_logical_operator, commutative_float_operator,
10429 equality_comparison_operator, greater_comparison_operator,
10430 less_comparison_operator, logical_operator,
10431 noncommutative_float_operator, shift_operator,
10432 symbol_ref_operand, unary_float_operator): Remove redundant
10435 2006-01-09 Jeff Law <law@redhat.com>
10437 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10438 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10439 now unused arguments. Callers updated.
10440 (eliminate_redundant_computations): Remove now unused arguments,
10442 (local_fold): Remove, no longer used.
10443 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10445 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10446 (simplify_cond): New function.
10447 (forward_propagate_into_cond): Call simplify_cond.
10449 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10451 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10452 (*vec_extractv2di_1_sse): New.
10454 2006-01-09 Ben Elliston <bje@au.ibm.com>
10456 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10458 2006-01-08 Richard Guenther <rguenther@suse.de>
10460 * tree-ssa-structalias.c (get_constraint_for): Remove
10461 anyoffset argument.
10462 (get_constraint_for_component_ref): Likewise.
10463 (do_deref): Likewise.
10464 (get_constraint_for): Likewise.
10465 (do_structure_copy): Likewise.
10466 (handle_ptr_arith): Likewise.
10467 (find_func_aliases): Likewise. Remove unused need_anyoffset
10470 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10471 Kaz Kojima <kkojima@gcc.gnu.org>
10473 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10474 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10475 (EXTRA_CONSTRAINT_C16): Remove.
10476 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10477 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10478 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10479 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10480 constants of SHmedia. Handle nested constant expressions of
10482 (andcosts): Fix the costs for SHmedia constants.
10483 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10484 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10485 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10486 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10487 (movv4hi_i, movv2si_i): Likewise.
10488 (movsi_const): Adjust the second operand of ior so to match with
10489 the Csu constraint.
10490 (movdi_const, movdi_const_32bit): Likewise.
10491 (movdi_const_16bit+1): Don't sign-extend LOW.
10492 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10494 (*double_shori): Fix the split condition. Use GEN_INT instead
10495 of get_int_mode calls. Mask lower 16-bit of the argument of
10497 (sym2GOTPLT): Remove.
10498 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10500 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10501 instead of EXTRA_CONSTRAINT_C16.
10503 2006-01-07 Ian Lance Taylor <ian@airs.com>
10504 David Edelsohn <edelsohn@gnu.org>
10506 PR rtl-optimization/25662
10507 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10508 for constant operands instead of simplify_gen_binary.
10509 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10510 after trying simplify_binary_operation
10512 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10514 * tree.c (iterative_hash_expr): Hash decls based on UID.
10516 2006-01-06 Eric Christopher <echristo@apple.com>
10518 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10519 (TARGET_UNWIND_EMIT): Fix spelling.
10520 * target.h (gcc_target): Add except_table_label.
10521 * except.c (output_function_exception_table): Use.
10522 * varasm.c (default_emit_except_table_label): New.
10523 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10525 (asm_out): Add here.
10526 * output.h (default_emit_except_table_label): Prototype.
10527 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10528 * config/darwin.c (darwin_emit_except_table_label): Define.
10529 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10531 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10533 PR tree-optimization/18527
10534 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10535 number_of_iterations_special, number_of_iterations_exit):
10536 Move base and step of an iv to a single structure. Add
10537 no_overflow flag, and use it in # of iterations analysis.
10538 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10539 folded_casts argument.
10540 (simple_iv): Pass base and step in a structure. Set no_overflow
10542 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10543 Evaluate expensiveness of computing # of iterations instead of
10544 the final expression.
10545 * tree-scalar-evolution.h (affine_iv): New structure.
10546 (simple_iv): Declaration changed.
10547 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10548 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10549 find_givs_in_stmt): Changed due to simple_iv change.
10551 2006-01-06 Jeff Law <law@redhat.com>
10554 * tree-cfg.c (bsi_replace): Rename final argument from
10555 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10556 change (stmt -> orig_stmt).
10557 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10558 (bsi_remove): Add new argument. Remove EH information
10560 (verify_eh_throw_table_statements): New function.
10561 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10563 * tree-optimize.c (execute_free_cfg_annotations): Verify
10564 the EH throw statement table after removing annotations.
10565 * except.h (verify_eh_throw_table_statements): Prototype.
10566 * tree-flow.h (bsi_remove): Update prototype.
10567 * tree-vrp.c (remove_range_assertions): Add new argument to
10569 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10570 * tree-complex.c (expand_complex_div_wide): Likewise.
10571 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10572 * tree-tailcall.c (eliminate_tailcall): Likewise.
10573 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10574 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10575 * tree-nrv.c (tree_nrv): Likewise.
10576 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10577 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10578 (combine_blocks): Likewise.
10579 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10580 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10581 (cleanup_control_flow): Likewise.
10582 (remove_forwarder_block): Likewise.
10583 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10584 * tree-sra.c (sra_replace): Likewise.
10585 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10586 (forward_propagate_single_use_vars): Likewise.
10587 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10588 * tree-inline.c (expand_call_inline): Likewise.
10589 * tree-vect-transform.c (vect_transform_loop): Likewise.
10590 * tree-outof-ssa.c (rewrite_trees): Likewise.
10591 * tree-cfg.c (make_goto_expr_edges): Likewise.
10592 (cleanup_dead_labels): Likewise.
10593 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10594 (bsi_move_before, bsi_move_after): Likewise.
10595 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10596 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10598 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10601 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10603 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10604 on non gimple variables. Also add checks at the top for decls and
10606 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10608 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10609 and IMAGPART_EXPR for creating MUST_DEFs.
10610 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10611 and NAME_MEMORY_TAG separately from the DECLs.
10613 2006-01-06 Richard Guenther <rguenther@suse.de>
10615 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10616 annotation, if necessary.
10617 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10618 redundant calls to update_stmt.
10619 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10622 2006-01-05 Richard Henderson <rth@redhat.com>
10624 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10626 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10628 * c-typeck.c: Update copyright date.
10630 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10632 * c-typeck.c (build_c_cast): Always warn when casting
10633 from a pointer to an integer of different size, even if
10634 the node was constant.
10636 2006-01-05 Richard Guenther <rguenther@suse.de>
10638 PR tree-optimization/22555
10639 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10640 if one structure field is an array.
10641 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10642 operands even if we found a subvar, but ignore VOPs in this
10644 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10646 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10648 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10650 PR middle-end/24998
10651 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10653 2006-01-05 Richard Guenther <rguenther@suse.de>
10654 Diego Novillo <dnovillo@redhat.com>
10656 * tree-pass.h (TODO_remove_unused_locals): Define.
10657 * gimple-low.c (expand_var_p, remove_useless_vars,
10658 pass_remove_useless_vars): Remove. Update all users.
10659 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10660 (remove_unused_locals): New function.
10661 * tree-flow.h (remove_unused_locals): Declare.
10662 * passes.c (execute_todo): Call remove_unused_locals if
10663 TODO_remove_unused_locals is set.
10664 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10665 * tree-ssa-dce.c (pass_dce): Likewise.
10666 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10668 2006-01-05 Richard Guenther <rguenther@suse.de>
10670 * tree-flow.h (struct fieldoff): Decompose field to
10671 type, size and decl.
10672 * tree-ssa-alias.c (create_sft): Take type as parameter.
10673 (create_overlap_variables_for): Store type, size and decl
10674 in the fieldoff structure.
10675 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10676 of struct fieldoff.
10677 (push_fields_onto_fieldstack): Likewise.
10678 (create_variable_info_for): Likewise. Use offset for the
10679 SFT name if the decl is not available.
10681 2006-01-04 Paul Brook <paul@codesourcery.com>
10683 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10685 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10687 * lambda-code.c (can_put_in_inner_loop): Relax
10689 (can_put_after_inner_loop): New function.
10690 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10691 (perfect_nestify): Change to make copies and modify uses.
10693 2006-01-04 Richard Henderson <rth@redhat.com>
10695 Merge from gomp branch:
10696 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10697 via integer constant.
10698 (pragma_lex): Remove.
10699 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10700 rather than parsing it.
10701 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10702 handle_pragma_extern_prefix): Add %< %> quotes.
10703 (registered_pragmas): New.
10704 (c_register_pragma_1): New.
10705 (c_register_pragma): Use it.
10706 (c_register_pragma_with_expansion): Likewise.
10707 (c_invoke_pragma_handler): New.
10708 (init_pragma): Use cpp_register_deferred_pragma directly for
10710 * c-pragma.h (enum pragma_kind): New.
10711 (pragma_handler): New.
10712 (c_invoke_pragma_handler): Declare.
10713 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10715 * c-common.h (c_common_pch_pragma): Update decl.
10716 * Makefile.in (c-parser.o): Update dependencies.
10717 (GTFILES): Add c-pragma.h.
10718 * c-parser.c (struct c_token): Add pragma_kind.
10719 (struct c_parser): Add in_pragma.
10720 (c_lex_one_token): Always initialize keyword and pragma_kind.
10721 Extract data for CPP_PRAGMA.
10722 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10723 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10724 Don't allow CPP_PRAGMA_EOL if in_pragma.
10725 (c_parser_consume_pragma): New.
10726 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10727 (c_parser_skip_to_end_of_parameter): Likewise.
10728 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10729 (c_parser_skip_to_pragma_eol): New.
10730 (c_parser_external_declaration): Handle CPP_PRAGMA.
10731 (c_parser_compound_statement_nostart): Likewise.
10732 (c_parser_statement_after_labels): Likewise.
10733 (c_parser_pragma): New.
10734 (pragma_lex): Likewise.
10735 (c_parser_pragma_pch_preprocess): New.
10736 (c_parser_new): Merge into ...
10737 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10739 2006-01-04 Jeff Law <law@redhat.com>
10742 * tree-cfg.c (bsi_replace): Remove the original statement
10743 from the EH throw statement table.
10745 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10747 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10748 make the prototype extern "C" and add throw ().
10751 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10752 and pos non-negative and pos + len <= 32.
10753 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10754 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10755 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10758 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10759 as well as sizes not multiple of component size.
10762 * function.c (instantiate_expr): New function.
10763 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10764 walk its DECL_VALUE_EXPR with instantiate_expr.
10766 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10767 DW_OP_deref{,_size} if address isn't going to be added.
10769 2006-01-04 Ben Elliston <bje@au.ibm.com>
10771 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10772 * config/fp-bit.c: Likewise.
10774 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10776 * dominance.c: Add comment about why we use DFS numbering
10779 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10780 Richard Henderson <rth@redhat.com>
10782 Merge from gomp-branch:
10783 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10784 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10786 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10788 PR rtl-optimization/25578
10789 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10790 pass a parameter to simplify_shift_const if changing ASHIFTRT
10793 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10795 * builtins.c (get_builtin_sync_mem): New function.
10796 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10797 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10798 Call get_builtin_sync_mem to generate mem rtx.
10800 2006-01-03 Richard Guenther <rguenther@suse.de>
10803 * stmt.c (add_case_node): Make sure to clear overflow flags
10806 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10808 Merge from gomp-branch.
10809 * config/sparc/sync.md: New file.
10810 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10811 UNSPECV_LDSTUB): New constants.
10812 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10813 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10814 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10817 2006-01-03 Roger Sayle <roger@eyesopen.com>
10819 * combine.c (reg_subword_p): New predicate to test whether the
10820 destination of a set refers to a subword/piece of a register.
10821 (try_combine): Generalize the code to merge the setting of a
10822 pseudo to a constant followed by a set of a subword of that
10823 register to a constant.
10825 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10827 * basic-block.h (control_flow_graph): Change the type of
10828 x_label_to_block_map to VEC(basic_block,gc) *.
10829 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10830 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10832 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10833 VEC(basic_block,heap) *.
10834 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10835 ssa_prop_fini): Adjust the uses of cfg_blocks.
10837 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10839 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10841 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10842 hashing trees instead of a pointer hash.
10843 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10844 compare for MEM_EXPR.
10846 PR rtl-optimization/25130
10847 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10848 when comparing MEMs for GCSE
10850 2006-01-03 Ben Elliston <bje@au.ibm.com>
10852 * targhooks.h (default_decimal_float_supported_p): Declare.
10853 * targhooks.c (default_decimal_float_supported_p): Define.
10854 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10855 `default_decimal_float_supported_p'.
10856 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10858 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10860 * combine.c (apply_distributive_law <SUBREG>): Check
10861 TRULY_NOOP_TRUNCATION.
10863 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10865 * dwarf2out.c (have_switched_text_section): Delete.
10866 (have_multiple_function_sections): New.
10867 (have_location_lists): Make 'bool'.
10868 (add_AT_loc_list): Use 'true' not '1'.
10869 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10870 (output_loc_list): Use have_multiple_function_sections.
10871 (output_ranges): Likewise.
10872 (dwarf2out_begin_function): Set have_multiple_function_sections if
10874 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10875 Check function_section rather than DECL_SECTION_NAME.
10876 (dwarf2out_finish): Use have_multiple_function_sections.
10877 Don't clear have_location_lists.
10879 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10880 Jan Hubicka <jh@suse.cz>
10882 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10883 case of conditional jump jumping to the next instruction.
10884 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10885 cases of conditional jump jumping to the next instruction.
10887 2006-01-02 Jan Hubicka <jh@suse.cz>
10889 * i386.c (*_cost): Add COSTS_N_INSNS.
10890 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10892 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10895 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10897 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10899 * config/arm/arm.c (all_fpus): Fix comment typo.
10900 * config/darwin.c: Likewise.
10901 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10902 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10903 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10905 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10907 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10908 (rs6000_split_compare_and_swapqhi): New.
10909 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10910 (sync_compare_and_swapqhi_internal): New.
10911 * config/rs6000/rs6000-protos.h: Declare.
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