6.5.7(5): The result of E1 >> E2 is E1 right-shifted E2 bit positions.
...
If E1 has a signed type and a negative value, the resulting value
is implementation defined.
So, cast -1 to unsigned type to make result well-defined.
[ Modified to use ~0U based upon recommendation from Al Viro. -DaveM ]
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
}
case round_up: {
// check all bits that we are discarding
}
case round_up: {
// check all bits that we are discarding
man = (man>>(32-9)) + 1;
if (man == (1<<9)) {
// no need to check for round up outside of range
man = (man>>(32-9)) + 1;
if (man == (1<<9)) {
// no need to check for round up outside of range
}
case ROUND_UP: {
/* check all bits that we are discarding */
}
case ROUND_UP: {
/* check all bits that we are discarding */
man = (man>>(32-9)) + 1;
if (man == (1<<9)) {
/* no need to check for round up outside of range */
man = (man>>(32-9)) + 1;
if (man == (1<<9)) {
/* no need to check for round up outside of range */