a[0] &= 200
	// amd64:`ORL\s[$]220,\s4\([A-Z][A-Z0-9]+\)`
	a[1] |= 220
	// amd64:`XORL\s[$]240,\s8\([A-Z][A-Z0-9]+\)`
	a[2] ^= 240
}

func bitcheckMostNegative(b uint8) bool {
	// amd64:"TESTB"
	return b&0x80 == 0x80
}

// Check AND masking on arm64 (Issue #19857)

func and_mask_1(a uint64) uint64 {
	// arm64:`AND\t`
	return a & ((1 << 63) - 1)
}

func and_mask_2(a uint64) uint64 {