for i := 1; i <= 4; i *= 2 {
			t.registerTest(fmt.Sprintf("GOMAXPROCS=2 runtime -cpu=%d -quick", i),
				&goTest{
					variant:   "cpu" + strconv.Itoa(i),
					timeout:   300 * time.Second,
					cpu:       strconv.Itoa(i),
					short:     true,
					testFlags: []string{"-quick"},
					// We set GOMAXPROCS=2 in addition to -cpu=1,2,4 in order to test runtime bootstrap code,

		comment += " " + cmt
		if code == "" {
			continue
		}

		// Parse and extract any architecture check from comments,
		// made by one architecture name and multiple checks.
		lnum := fn + ":" + strconv.Itoa(i+1)
		for _, ac := range rxAsmPlatform.FindAllStringSubmatch(comment, -1) {
			archspec, allchecks := ac[1:4], ac[4]

			var arch, subarch, os string
			switch {