Il 01/06/2013 00:18, Richard Henderson ha scritto:
> On 05/30/2013 02:16 PM, Paolo Bonzini wrote:
>> +static inline Int128 int128_rshift(Int128 a, int n)
>> +{
>> + return (Int128) { (a.lo >> n) | (a.hi << (64 - n)), (a.hi >> n) };
>> +}
>
> Produces wrong results for n == 0, since (a.hi << 64) is undefined.
Good catch, I'm adding an
if (!n) {
return a;
}
before.
Paolo
