For those who do/did assembly, this is the common way to set a register to zero in x86 assembly (probably not only) because the instruction does not need an operand, so is shorter, and executes in one cycle only.
For those who do/did assembly, this is the common way to set a register to zero in x86 assembly (probably not only) because the instruction does not need an operand, so is shorter, and executes in one cycle only.