Ever so slightly shorter. When the condition register needs updating, we still prefer xor over not+test. Before: 45 8B F5 mov r14d,r13d 41 83 F6 FF xor r14d,0FFFFFFFFh After: 45 8B F5 mov r14d,r13d 41 F7 D6 not r14d
Ever so slightly shorter. When the condition register needs updating, we still prefer xor over not+test. Before: 45 8B F5 mov r14d,r13d 41 83 F6 FF xor r14d,0FFFFFFFFh After: 45 8B F5 mov r14d,r13d 41 F7 D6 not r14d