if (TREE_CODE (TREE_TYPE (value)) == POINTER_TYPE
&& TREE_CODE (TREE_TYPE (TREE_OPERAND (value, 0))) == POINTER_TYPE)
return initializer_constant_valid_p (TREE_OPERAND (value, 0), endtype);
+
/* Allow conversions between real types. */
if (TREE_CODE (TREE_TYPE (value)) == REAL_TYPE
&& TREE_CODE (TREE_TYPE (TREE_OPERAND (value, 0))) == REAL_TYPE)
return initializer_constant_valid_p (TREE_OPERAND (value, 0), endtype);
+
/* Allow length-preserving conversions between integer types. */
if (TREE_CODE (TREE_TYPE (value)) == INTEGER_TYPE
&& TREE_CODE (TREE_TYPE (TREE_OPERAND (value, 0))) == INTEGER_TYPE
- && tree_int_cst_equal (TYPE_SIZE (TREE_TYPE (value)),
- TYPE_SIZE (TREE_TYPE (TREE_OPERAND (value, 0)))))
+ && (TYPE_PRECISION (TREE_TYPE (value))
+ == TYPE_PRECISION (TREE_TYPE (TREE_OPERAND (value, 0)))))
return initializer_constant_valid_p (TREE_OPERAND (value, 0), endtype);
- /* Allow conversions between integer types only if explicit value. */
+
+ /* Allow conversions between other integer types only if
+ explicit value. */
if (TREE_CODE (TREE_TYPE (value)) == INTEGER_TYPE
&& TREE_CODE (TREE_TYPE (TREE_OPERAND (value, 0))) == INTEGER_TYPE)
{
return null_pointer_node;
return 0;
}
+
/* Allow (int) &foo provided int is as wide as a pointer. */
if (TREE_CODE (TREE_TYPE (value)) == INTEGER_TYPE
&& TREE_CODE (TREE_TYPE (TREE_OPERAND (value, 0))) == POINTER_TYPE
- && ! tree_int_cst_lt (TYPE_SIZE (TREE_TYPE (value)),
- TYPE_SIZE (TREE_TYPE (TREE_OPERAND (value, 0)))))
+ && (TYPE_PRECISION (TREE_TYPE (value))
+ >= TYPE_PRECISION (TREE_TYPE (TREE_OPERAND (value, 0)))))
+ return initializer_constant_valid_p (TREE_OPERAND (value, 0),
+ endtype);
+
+ /* Likewise conversions from int to pointers. */
+ if (TREE_CODE (TREE_TYPE (value)) == POINTER_TYPE
+ && TREE_CODE (TREE_TYPE (TREE_OPERAND (value, 0))) == INTEGER_TYPE
+ && (TYPE_PRECISION (TREE_TYPE (value))
+ <= TYPE_PRECISION (TREE_TYPE (TREE_OPERAND (value, 0)))))
return initializer_constant_valid_p (TREE_OPERAND (value, 0),
endtype);
+
/* Allow conversions to union types if the value inside is okay. */
if (TREE_CODE (TREE_TYPE (value)) == UNION_TYPE)
return initializer_constant_valid_p (TREE_OPERAND (value, 0),