PR tree-optimization/29921
* fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
signed and unsigned zero equal.
* gcc.dg/pr29921.c: New test.
From-SVN: r119102
* config/rs6000/rs6000.c (get_store_dest): New.
(adjacent_mem_locations): Use get_store_dest() to get
the rtl of the store destination.
From-SVN: r119099
* config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
mem_i_address_operand): New predicates.
* config/bfin/bfin.c (bfin_issue_rate): New function.
(TARGET_SCHED_ISSUE_RATE): New macro.
* config/bfin/bfin.md (addrtype): New attribute.
(slot0, slot1, slot2, store, pregs): New cpu_units.
(core): Now a define_reservation.
(alu): Remove some insn types from this reservation.
(dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
insn reservations.
(dummy reservation): Don't trigger for mcld insns.
(absence_sets): Two new absence sets to enforce slot ordering.
(popsi_insn): Set addrtype.
From-SVN: r119090
* doc/c-tree.texi: Document new tree codes.
* doc/md.texi: Document new optabs.
* tree-pretty-print.c (dump_generic_node): Handle print of new tree
codes.
* optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
* optabs.h (optab_index): Add new.
(vec_extract_even_optab, vec_extract_odd_optab,
vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
* genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
vec_interleave_high_optab, vec_interleave_low_optab): Initialize
new optabs.
* expr.c (expand_expr_real_1): Add implementation for new tree codes.
* tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
* tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
along with macros for their access.
* tree-data-ref.h (first_location_in_loop, data_reference): Update
comment.
* tree-vect-analyze.c (toplev.h): Include.
(vect_determine_vectorization_factor): Fix indentation.
(vect_insert_into_interleaving_chain,
vect_update_interleaving_chain, vect_equal_offsets): New functions.
(vect_analyze_data_ref_dependence): Add argument for interleaving
check. Check for interleaving if it's true.
(vect_check_dependences): New function.
(vect_analyze_data_ref_dependences): Call vect_check_dependences for
every ddr. Call vect_analyze_data_ref_dependence with new argument.
(vect_update_misalignment_for_peel): Update for interleaving.
(vect_verify_datarefs_alignment): Check only first data-ref for
interleaving.
(vect_enhance_data_refs_alignment): Update for interleaving. Check
only first data-ref for interleaving.
(vect_analyze_data_ref_access): Check interleaving, update
interleaving data.
(vect_analyze_data_refs): Call compute_data_dependences_for_loop
with different parameters.
* tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
* tree-inline.c (estimate_num_insns_1): Add cases for new codes.
* tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
Update step in case of interleaving.
(vect_strided_store_supported, vect_permute_store_chain): New
functions.
(vectorizable_store): Handle strided stores.
(vect_strided_load_supported, vect_permute_load_chain,
vect_transform_strided_load): New functions.
(vectorizable_load): Handle strided loads.
(vect_transform_stmt): Add argument. Handle strided stores. Check
that vectorized stmt exists for patterns.
(vect_gen_niters_for_prolog_loop): Update calculation for
interleaving.
(vect_transform_loop): Remove stmt_vec_info for strided stores after
whole chain vectorization.
* config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
(vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
From-SVN: r119088
2006-11-22 Jerry DeLisle <jvdelisle@gcc.gnu.org>
* io/io.h (unit_flags): Add new flag has_recl.
* io.open.c (new_unit): Set flag if RECL= was specified.
* io/transfer.c (us_write): If flag set, leave recl as initialized by
new_unit.
From-SVN: r119087
* cse.c (enum taken): Remove PATH_AROUND.
(addr_affects_sp_p, invalidate_skipped_set,
invalidate_skipped_block): Remove.
(cse_end_of_basic_block): Remove skip_blocks and related code.
(cse_main): Don't test for flag_cse_skip_blocks.
Update cse_end_of_basic_block call.
(cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
code to lengthen the path if a jump was simplified.
From-SVN: r119079
PR rtl-optimization/29924
* loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
(unroll_loop_runtime_iterations): Assert that the argument passed to
split_edge_and_insert is not NULL.
* loop-doloop.c (add_test): Ditto.
From-SVN: r119078
2006-11-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25087
* resolve.c (resolve_fl_procedure): Add an error if an external
automatic character length function does not have an explicit
interface.
2006-11-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/25087
* gfortran.dg/auto_char_len_4.f90: New test.
From-SVN: r119077
2006-11-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29652
* interface.c (check_interface1): Use a local value, instead of
the dummy, as the inner iterator over interface symbols.
2006-11-22 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29652
* gfortran.dg/generic_7.f90: New test.
* gfortran.dg/defined_operators_1.f90: Add new error.
From-SVN: r119076
PR tree-optimization/29902
* tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
any involved ssa name appears in abnormal phi node.
* g++.dg/tree-ssa/pr29902.C: New test.
From-SVN: r119074
2006-11-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29820
* trans-array.c (gfc_get_derived_type): Once done, spread the
backend_decl to all identical derived types in all sibling
namespaces.
2006-11-21 Paul Thomas <pault@gcc.gnu.org>
PR fortran/29820
* gfortran.dg/used_types_13.f90: New test.
From-SVN: r119073
* config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
(xtensa_const_ok_for_letter_p): Delete.
(xtensa_extra_constraint): Delete.
(override_options): Delete xtensa_char_to_class initialization.
* config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
(CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
(EXTRA_CONSTRAINT): Delete.
* config/xtensa/xtensa.md: Include constraints.md.
(call_internal): Combine alternatives.
(call_value_internal): Likewise, and remove invalid constraints.
* config/xtensa/constraints.md: New file.
* config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
(xtensa_extra_constraint): Delete.
* doc/md.texi (Machine Constraints): Refer to constraints.md for
Xtensa constraints.
--Ths line, and those below, will be ignored--
M gcc/doc/md.texi
M gcc/ChangeLog
M gcc/config/xtensa/xtensa.c
M gcc/config/xtensa/xtensa.h
M gcc/config/xtensa/xtensa.md
A gcc/config/xtensa/constraints.md
M gcc/config/xtensa/xtensa-protos.h
From-SVN: r119072
* config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
regs for DImode.
(bfin_register_move_cost): Bump costs if trying to move plain
integer values through accumulators.
From-SVN: r119055
* config/bfin/bfin.opt (mstack-check-l1): New.
* doc/invoke.texi (Blackfin Options): Document it.
* config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
stack bounds in L1 memory if the new option is enabled.
(override_options): Don't allow combinations of -fstack-limit and
-mstack-check-l1.
(add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
dead code.
From-SVN: r119049
* cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
of the loop.
* cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
Removed.
(flow_loop_dump): Do not dump loop level.
(flow_loops_find): Do not call flow_loops_level_compute.
* cfgloop.h (struct loop): Remove level field.
From-SVN: r119040
