2 ms·
Same for xor ax,ax on 16-bit processors by the way (2 bytes vs 3), and even earlier for the 8-bit 8080 (1 byte vs 2). The xor or sub trick dates to the late 70s
by bonzini 5y ago
Same for xor ax,ax on 16-bit processors by the way (2 bytes vs 3), and even earlier for the 8-bit 8080 (1 byte vs 2). The xor or sub trick dates to the late 70s.