https://www.felixcloutier.com/x86/andn
解說有點看不懂
範例 opcode:
andn eax, ecx, edx
Performs a bitwise logical AND of inverted second operand (the first source operand) with the third operand (the second source operand). The result is stored in the first operand (destination operand).
Operand 1 mod.reg eax
Operand 2 vex.vvvv ecx
Operand 3 mod.r/m edx
到底是 Operand 1 = Operand 3 & Operand 2
還是 Operand 1 = Operand 2 & Operand 3
