1 --- gcc/gcc/tree-ssa.c 1 Jun 2005 02:51:05 -0000 2.95
2 +++ gcc/gcc/tree-ssa.c 6 Jun 2005 00:53:39 -0000
3 @@ -901,7 +901,9 @@ tree_ssa_useless_type_conversion_1 (tree
4 else if (INTEGRAL_TYPE_P (inner_type)
5 && INTEGRAL_TYPE_P (outer_type)
6 && TYPE_UNSIGNED (inner_type) == TYPE_UNSIGNED (outer_type)
7 - && TYPE_PRECISION (inner_type) == TYPE_PRECISION (outer_type))
8 + && TYPE_PRECISION (inner_type) == TYPE_PRECISION (outer_type)
9 + && simple_cst_equal (TYPE_MAX_VALUE (inner_type), TYPE_MAX_VALUE (outer_type))
10 + && simple_cst_equal (TYPE_MIN_VALUE (inner_type), TYPE_MIN_VALUE (outer_type)))
12 bool first_boolean = (TREE_CODE (inner_type) == BOOLEAN_TYPE);
13 bool second_boolean = (TREE_CODE (outer_type) == BOOLEAN_TYPE);