// Consider using the more ergonomic and less error-prone [Int64.And] instead.
func AndInt64(addr *int64, mask int64) (old int64)

// AndUint64 atomically performs a bitwise AND operation on *addr using the bitmask provided as mask
// and returns the old.
// Consider using the more ergonomic and less error-prone [Uint64.And] instead.
func AndUint64(addr *uint64, mask uint64) (old uint64)

	ts.tv_sec = ns / 1e9
	ts.tv_nsec = ns % 1e9
}

type exceptionstate64 struct {
	far uint64 // virtual fault addr
	esr uint32 // exception syndrome
	exc uint32 // number of arm exception taken
}

type regs64 struct {
	x     [29]uint64 // registers x0 to x28
	fp    uint64     // frame register, x29
	lr    uint64     // link register, x30
	sp    uint64     // stack pointer, x31

	Metric       uint32
	Rdomain      uint32
	Baudrate     uint64
	Ipackets     uint64
	Ierrors      uint64
	Opackets     uint64
	Oerrors      uint64
	Collisions   uint64
	Ibytes       uint64
	Obytes       uint64
	Imcasts      uint64
	Omcasts      uint64
	Iqdrops      uint64
	Oqdrops      uint64
	Noproto      uint64
	Capabilities uint32
	_            [4]byte
	Lastchange   Timeval
}

	shouldPanic("len out of range", func() { _ = make(T, int64(n)) })
	shouldPanic("cap out of range", func() { _ = make(T, 0, int64(n)) })
	shouldPanic("len out of range", func() { _ = make(T, uint64(n)) })
	shouldPanic("cap out of range", func() { _ = make(T, 0, uint64(n)) })
}

func testMakeBytes(n uint64) {
	type T []byte
	shouldPanic("len out of range", func() { _ = make(T, int(n)) })

	//	chku32(uint32(f64), 0)

	chku64(uint64(i8), ci8&0xffffffffffffffff)
	chku64(uint64(i16), ci16&0xffffffffffffffff)
	chku64(uint64(i32), ci32&0xffffffffffffffff)
	chku64(uint64(i64), ci64&0xffffffffffffffff)
	chku64(uint64(u8), cu8&0xffffffffffffffff)
	chku64(uint64(u16), cu16&0xffffffffffffffff)
	chku64(uint64(u32), cu32&0xffffffffffffffff)
	chku64(uint64(u64), cu64&0xffffffffffffffff)
	//	chku64(uint64(f32), 0)

	Datalen    uint16
	Mtu        uint32
	Metric     uint32
	Baudrate   uint64
	Ipackets   uint64
	Ierrors    uint64
	Opackets   uint64
	Oerrors    uint64
	Collisions uint64
	Ibytes     uint64
	Obytes     uint64
	Imcasts    uint64
	Omcasts    uint64
	Iqdrops    uint64
	Oqdrops    uint64
	Noproto    uint64
	Hwassist   uint64
	_          [8]byte
	_          [16]byte
}

type IfData struct {

package main

//go:noinline
func f32(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, x int32) uint64 {
	return uint64(uint32(x))
}

//go:noinline
func f16(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, x int16) uint64 {
	return uint64(uint16(x))
}

//go:noinline
func f8(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, x int8) uint64 {
	return uint64(uint8(x))
}

//go:noinline

			rng.vec[i] = u
		}
	}
}

// Int63 returns a non-negative pseudo-random 63-bit integer as an int64.
func (rng *rngSource) Int63() int64 {
	return int64(rng.Uint64() & rngMask)
}

// Uint64 returns a non-negative pseudo-random 64-bit integer as a uint64.
func (rng *rngSource) Uint64() uint64 {
	rng.tap--
	if rng.tap < 0 {
		rng.tap += rngLen
	}

	rng.feed--
	if rng.feed < 0 {

}
type szD struct {
	name   string
	sn     string
	u      []uint64
	i      []int64
	oponly string
}

var szs = []szD{
	{name: "uint64", sn: "64", u: []uint64{0, 1, 4294967296, 0x8000000000000000, 0xffffFFFFffffFFFF}},
	{name: "uint64", sn: "64", u: []uint64{3, 5, 7, 9, 10, 11, 13, 19, 21, 25, 27, 37, 41, 45, 73, 81}, oponly: "mul"},

	{name: "int64", sn: "64", i: []int64{-0x8000000000000000, -0x7FFFFFFFFFFFFFFF,

	globp = &z1
	return
}

type S struct {
	x [2]uint64
	p *uint64
	y [2]uint64
	q uint64
}

type M struct {
	x [8]uint64
	p *uint64
	y [8]uint64
	q uint64
}

type L struct {
	x [4096]uint64
	p *uint64
	y [4096]uint64
	q uint64
}

//go:noinline
func triggerZerorangeLarge(f, g, h uint64) (rv0 uint64) {
	ll := L{p: &f}
	da := f
	rv0 = f + g + h