package main

import (
        "fmt"
        "time"
)

var a, b, c uint32

//go:noinline
func ss() {
        a &= 0xff00ffff
        b &= 0xff8000ff
        c &= 0xff007f00
        a &= 0xff01ffff
        b &= 0xff00007f
        c &= 0xfe00ff00
        a &= 0xff00ffff
        b &= 0xfe0000ff
        c &= 0xff80ff00
        a &= 0xff80ffff
        b &= 0xfc0000ff
        c &= 0xff01ff00
}

func main() {
        start := time.Now()
        for i := 0; i < 8192; i++ {
                ss()
        }
        d := time.Now().Sub(start)
        fmt.Println(d)
}