Opcode Instruction Clocks Description 34 ib XOR AL,imm8 2 Exclusive-OR immediate byte to AL 35 iw XOR AX,imm16 2 Exclusive-OR immediate word to AX 35 id XOR EAX,imm32 2 Exclusive-OR immediate dword to EAX 80 /6 ib XOR r/m8,imm8 2/7 Exclusive-OR immediate byte to r/m byte 81 /6 iw XOR r/m16,imm16 2/7 Exclusive-OR immediate word to r/m word 81 /6 id XOR r/m32,imm32 2/7 Exclusive-OR immediate dword to r/m dword 83 /6 ib XOR r/m16,imm8 2/7 XOR sign-extended immediate byte with r/m word 83 /6 ib XOR r/m32,imm8 2/7 XOR sign-extended immediate byte with r/m dword 30 /r XOR r/m8,r8 2/6 Exclusive-OR byte register to r/m byte 31 /r XOR r/m16,r16 2/6 Exclusive-OR word register to r/m word 31 /r XOR r/m32,r32 2/6 Exclusive-OR dword register to r/m dword 32 /r XOR r8,r/m8 2/7 Exclusive-OR byte register to r/m byte 33 /r XOR r16,r/m16 2/7 Exclusive-OR word register to r/m word 33 /r XOR r32,r/m32 2/7 Exclusive-OR dword register to r/m dword
DEST := LeftSRC XOR RightSRC CF := 0 OF := 0
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Chapter 17 -- 80386 Instruction Set
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