> or you can use a setcc with a results flag from something you already computed Funny enough, on large CPUs this can be slower than recomputing something, bec

> or you can use a setcc with a results flag from something you already computed Funny enough, on large CPUs this can be slower than recomputing something, because they don't like long dependency chains and sometimes even have penalties for reading a register that hasn't been written for hundreds of instructions.