6 ms·

I see what you're doing. 13 bytes, 3 cycles. Why does newline not work? lzcnt ecx,ecx mov eax, 00100 0011 0010 0000 0001b shl ecx,2 shrx eax,eax,ecx and eax,1

I see what you're doing. 13 bytes, 3 cycles. Why does newline not work? lzcnt ecx,ecx mov eax, 00100 0011 0010 0000 0001b shl ecx,2 shrx eax,eax,ecx and eax,15