3 ms·
x64 has a 9/17/33/65 bit rotate using the carry as the extra bit. So for unsigned ints should be 2 instructions IIRC. Something like ADD a, b RCR $1, a
by RenThraysk 4y ago
x64 has a 9/17/33/65 bit rotate using the carry as the extra bit. So for unsigned ints should be 2 instructions IIRC. Something like
ADD a, b
RCR $1, a