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author | Richard Henderson <rth@redhat.com> | 2012-07-10 01:23:39 -0700 |
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committer | Richard Henderson <rth@gcc.gnu.org> | 2012-07-10 01:23:39 -0700 |
commit | 3f30a9a6aabcc7408bec1e42736889e3edd9f289 (patch) | |
tree | 3004b5ca9b3236230ebbc1657f1529e32ff03d51 /gcc/tree-vect-generic.c | |
parent | e53a3e778e70af499292522144fb8d4bea5279cb (diff) | |
download | gcc-3f30a9a6aabcc7408bec1e42736889e3edd9f289.zip gcc-3f30a9a6aabcc7408bec1e42736889e3edd9f289.tar.gz gcc-3f30a9a6aabcc7408bec1e42736889e3edd9f289.tar.bz2 |
Add VEC_WIDEN_MULT_EVEN/ODD_EXPR
* tree.def (VEC_WIDEN_MULT_EVEN_EXPR, VEC_WIDEN_MULT_ODD_EXPR): New.
* cfgexpand.c (expand_debug_expr): Handle them.
* expr.c (expand_expr_real_2): Likewise.
* fold-const.c (fold_binary_loc): Likewise.
* gimple-pretty-print.c (dump_binary_rhs): Likewise.
* optabs.c (optab_for_tree_code): Likewise.
* tree-cfg.c (verify_gimple_assign_binary): Likewise.
* tree-inline.c (estimate_operator_cost): Likewise.
* tree-pretty-print.c (dump_generic_node): Likewise.
* tree.c (commutative_tree_code): Likewise.
* tree-vect-generic.c (expand_vector_operations_1): Likewise.
Handle type change before looking up optab.
* optabs.h (OTI_vec_widen_umult_even, OTI_vec_widen_umult_odd): New.
(OTI_vec_widen_smult_even, OTI_vec_widen_smult_odd): New.
(vec_widen_umult_even_optab, vec_widen_umult_odd_optab): New.
(vec_widen_smult_even_optab, vec_widen_smult_odd_optab): New.
* genopinit.c (optabs): Initialize them.
* doc/md.texi: Document them.
From-SVN: r189403
Diffstat (limited to 'gcc/tree-vect-generic.c')
-rw-r--r-- | gcc/tree-vect-generic.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c index 8d05101..e37c631 100644 --- a/gcc/tree-vect-generic.c +++ b/gcc/tree-vect-generic.c @@ -1361,6 +1361,23 @@ expand_vector_operations_1 (gimple_stmt_iterator *gsi) || code == VEC_UNPACK_FLOAT_LO_EXPR) type = TREE_TYPE (rhs1); + /* For widening/narrowing vector operations, the relevant type is of the + arguments, not the widened result. VEC_UNPACK_FLOAT_*_EXPR is + calculated in the same way above. */ + if (code == WIDEN_SUM_EXPR + || code == VEC_WIDEN_MULT_HI_EXPR + || code == VEC_WIDEN_MULT_LO_EXPR + || code == VEC_WIDEN_MULT_EVEN_EXPR + || code == VEC_WIDEN_MULT_ODD_EXPR + || code == VEC_UNPACK_HI_EXPR + || code == VEC_UNPACK_LO_EXPR + || code == VEC_PACK_TRUNC_EXPR + || code == VEC_PACK_SAT_EXPR + || code == VEC_PACK_FIX_TRUNC_EXPR + || code == VEC_WIDEN_LSHIFT_HI_EXPR + || code == VEC_WIDEN_LSHIFT_LO_EXPR) + type = TREE_TYPE (rhs1); + /* Choose between vector shift/rotate by vector and vector shift/rotate by scalar */ if (code == LSHIFT_EXPR @@ -1409,21 +1426,6 @@ expand_vector_operations_1 (gimple_stmt_iterator *gsi) else op = optab_for_tree_code (code, type, optab_default); - /* For widening/narrowing vector operations, the relevant type is of the - arguments, not the widened result. VEC_UNPACK_FLOAT_*_EXPR is - calculated in the same way above. */ - if (code == WIDEN_SUM_EXPR - || code == VEC_WIDEN_MULT_HI_EXPR - || code == VEC_WIDEN_MULT_LO_EXPR - || code == VEC_UNPACK_HI_EXPR - || code == VEC_UNPACK_LO_EXPR - || code == VEC_PACK_TRUNC_EXPR - || code == VEC_PACK_SAT_EXPR - || code == VEC_PACK_FIX_TRUNC_EXPR - || code == VEC_WIDEN_LSHIFT_HI_EXPR - || code == VEC_WIDEN_LSHIFT_LO_EXPR) - type = TREE_TYPE (rhs1); - /* Optabs will try converting a negation into a subtraction, so look for it as well. TODO: negation of floating-point vectors might be turned into an exclusive OR toggling the sign bit. */ |