+2005-08-23 Paolo Bonzini <bonzini@gnu.org>
+
+ PR middle-end/23517
+ * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
+ between vectors.
+ * convert.c (convert_to_integer, convert_to_vector): Likewise.
+ * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
+ Likewise.
+
2005-08-23 Paolo Bonzini <bonzini@gnu.org>
* config/rs6000/predicates.md (equality_operator): New.
error ("can't convert between vector values of different size");
return error_mark_node;
}
- return build1 (NOP_EXPR, type, expr);
+ return build1 (VIEW_CONVERT_EXPR, type, expr);
default:
error ("aggregate value used where an integer was expected");
error ("can't convert between vector values of different size");
return error_mark_node;
}
- return build1 (NOP_EXPR, type, expr);
+ return build1 (VIEW_CONVERT_EXPR, type, expr);
default:
error ("can't convert value to a vector");
gcc_assert (tree_int_cst_equal (TYPE_SIZE (type), TYPE_SIZE (orig)));
gcc_assert (INTEGRAL_TYPE_P (orig) || POINTER_TYPE_P (orig)
|| TREE_CODE (orig) == VECTOR_TYPE);
- return fold_build1 (NOP_EXPR, type, arg);
+ return fold_build1 (VIEW_CONVERT_EXPR, type, arg);
case VOID_TYPE:
return fold_build1 (CONVERT_EXPR, type, fold_ignored_result (arg));
{
if (bitpos)
return gimplify_build3 (bsi, BIT_FIELD_REF, type, t, bitsize, bitpos);
-
- /* Build a conversion; VIEW_CONVERT_EXPR is very expensive unless T will
- anyway be stored in memory, so prefer NOP_EXPR. */
- else if (TYPE_MODE (type) == BLKmode)
- return gimplify_build1 (bsi, VIEW_CONVERT_EXPR, type, t);
else
- return gimplify_build1 (bsi, NOP_EXPR, type, t);
+ return gimplify_build1 (bsi, VIEW_CONVERT_EXPR, type, t);
}
static tree
if (lang_hooks.types_compatible_p (TREE_TYPE (lhs), TREE_TYPE (rhs)))
*p_rhs = rhs;
else
- {
- /* Build a conversion; VIEW_CONVERT_EXPR is very expensive unless T will
- be stored in memory anyway, so prefer NOP_EXPR. We should also try
- performing the VIEW_CONVERT_EXPR on the left side of the
- assignment. */
- if (TYPE_MODE (TREE_TYPE (rhs)) == BLKmode)
- *p_rhs = gimplify_build1 (bsi, VIEW_CONVERT_EXPR, TREE_TYPE (lhs), rhs);
- else
- *p_rhs = gimplify_build1 (bsi, NOP_EXPR, TREE_TYPE (lhs), rhs);
- }
+ *p_rhs = gimplify_build1 (bsi, VIEW_CONVERT_EXPR, TREE_TYPE (lhs), rhs);
mark_stmt_modified (bsi_stmt (*bsi));
}