diff options
Diffstat (limited to 'gcc/tree-vect-generic.c')
| -rw-r--r-- | gcc/tree-vect-generic.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c index 8f9f2a8..1d11701 100644 --- a/gcc/tree-vect-generic.c +++ b/gcc/tree-vect-generic.c @@ -597,21 +597,21 @@ vector_element (gimple_stmt_iterator *gsi, tree vect, tree idx, tree *ptmpvec) idx, NULL_TREE, NULL_TREE); } -/* Check if VEC_SHUFFLE_EXPR within the given setting is supported +/* Check if VEC_PERM_EXPR within the given setting is supported by hardware, or lower it piecewise. - When VEC_SHUFFLE_EXPR has the same first and second operands: - VEC_SHUFFLE_EXPR <v0, v0, mask> the lowered version would be + When VEC_PERM_EXPR has the same first and second operands: + VEC_PERM_EXPR <v0, v0, mask> the lowered version would be {v0[mask[0]], v0[mask[1]], ...} MASK and V0 must have the same number of elements. - Otherwise VEC_SHUFFLE_EXPR <v0, v1, mask> is lowered to + Otherwise VEC_PERM_EXPR <v0, v1, mask> is lowered to {mask[0] < len(v0) ? v0[mask[0]] : v1[mask[0]], ...} V0 and V1 must have the same type. MASK, V0, V1 must have the same number of arguments. */ static void -lower_vec_shuffle (gimple_stmt_iterator *gsi) +lower_vec_perm (gimple_stmt_iterator *gsi) { gimple stmt = gsi_stmt (*gsi); tree mask = gimple_assign_rhs3 (stmt); @@ -628,7 +628,7 @@ lower_vec_shuffle (gimple_stmt_iterator *gsi) bool two_operand_p = !operand_equal_p (vec0, vec1, 0); unsigned i; - if (expand_vec_shuffle_expr_p (TYPE_MODE (vect_type), vec0, vec1, mask)) + if (expand_vec_perm_expr_p (TYPE_MODE (vect_type), vec0, vec1, mask)) return; v = VEC_alloc (constructor_elt, gc, elements); @@ -721,9 +721,9 @@ expand_vector_operations_1 (gimple_stmt_iterator *gsi) rhs_class = get_gimple_rhs_class (code); lhs = gimple_assign_lhs (stmt); - if (code == VEC_SHUFFLE_EXPR) + if (code == VEC_PERM_EXPR) { - lower_vec_shuffle (gsi); + lower_vec_perm (gsi); return; } |