xor{bwl} reg[8|16|32], r/m[8|16|32] xor{bwl} r/m[8|16|32], reg[8|16|32] xor{bwl} imm[8|16|32], r/m[8|16|32]
reg[8|16|32] XOR r/m[8|16|32] -> r/m[8|16|32]
r/m[8|16|32] XOR reg[8|16|32] -> reg[8|16|32]
imm[8|16|32] XOR r/m[8|16|32] -> r/m[8|16|32]
Performs an exclusive OR of each bit in the values specified by the two operands and stores the result in the second operand.
Table 2-4 Exclusive XOR
Values |
Result |
---|---|
0 XOR 0 |
0 |
0 XOR 1 |
1 |
1 XOR 0 |
1 |
1 XOR 1 |
0 |
Perform a 8-bit exclusive OR of the constant, 0xff, and the AL register:
xorb $0xff, %al
Perform a 16-bit exclusive OR of the constant, 0xff83, and the contents of the effective address (addressed by the EDI register plus an offset of 4):
xorw $0xff83, 4(%edi)
Perform a 32-bit exclusive OR of the EDX register and the contents of the effective address (addressed by the EDI register plus an offset of 4):
xorl %edx, 4(%edi)