Charspare   [80]int8
	Fstypename  [16]int8
	Mntfromname [1024]int8
	Mntonname   [1024]int8
}

type Flock_t struct {
	Start  int64
	Len    int64
	Pid    int32
	Type   int16
	Whence int16
	Sysid  int32
}

type Dirent struct {
	Fileno uint64
	Off    int64
	Reclen uint16
	Type   uint8
	Pad0   uint8
	Namlen uint16
	Pad1   uint16
	Name   [256]int8
}

	Charspare   [80]int8
	Fstypename  [16]int8
	Mntfromname [1024]int8
	Mntonname   [1024]int8
}

type Flock_t struct {
	Start     int64
	Len       int64
	Pid       int32
	Type      int16
	Whence    int16
	Sysid     int32
	Pad_cgo_0 [4]byte
}

type Dirent struct {
	Fileno uint64
	Off    int64
	Reclen uint16
	Type   uint8
	Pad0   uint8
	Namlen uint16
	Pad1   uint16

	instinit(&ctxt)

	regAddr := func(reg int16) *obj.Addr {
		return &obj.Addr{Type: obj.TYPE_REG, Reg: reg}
	}
	immAddr := func(v int64) *obj.Addr {
		return &obj.Addr{Type: obj.TYPE_CONST, Offset: v}
	}
	regListAddr := func(regFrom, regTo int16) *obj.Addr {
		return &obj.Addr{Type: obj.TYPE_REGLIST, Offset: EncodeRegisterRange(regFrom, regTo)}
	}
	memAddr := func(base, index int16) *obj.Addr {

	}
	return d, e
}

func NoFix16A(divr int16) (int16, int16) {
	var d int16 = 42
	var e int16 = 84
	if divr > 5 {
		// amd64:-"JMP"
		// 386:-"JMP"
		d /= divr
		// amd64:-"JMP"
		// 386:-"JMP"
		e %= divr
		d += e
	}
	return d, e
}

func NoFix16B(divd int16) (int16, int16) {
	var d int16
	var e int16
	var divr int16 = -1
	if divd > -32768 {
		// amd64:-"JMP"

func TestNoRaceMutex(t *testing.T) {
	var mu sync.Mutex
	var x int16 = 0
	_ = x
	ch := make(chan bool, 2)
	go func() {
		mu.Lock()
		defer mu.Unlock()
		x = 1
		ch <- true
	}()
	go func() {
		mu.Lock()
		x = 2
		mu.Unlock()
		ch <- true
	}()
	<-ch
	<-ch
}

func TestRaceMutex(t *testing.T) {
	var mu sync.Mutex
	var x int16 = 0
	_ = x
	ch := make(chan bool, 2)
	go func() {
		x = 1

	}
}

var i16res int16

func BenchmarkDivconstI16(b *testing.B) {
	for i := 0; i < b.N; i++ {
		i16res = int16(i) / 7
	}
}

func BenchmarkModconstI16(b *testing.B) {
	for i := 0; i < b.N; i++ {
		i16res = int16(i) % 7
	}
}

func BenchmarkDivisiblePow2constI16(b *testing.B) {
	for i := 0; i < b.N; i++ {
		boolres = int16(i)%16 == 0
	}
}

package main

import "fmt"

func f[T any](i interface{}) {
	switch x := i.(type) {
	case T:
		fmt.Println("T", x)
	case int:
		fmt.Println("int", x)
	case int32, int16:
		fmt.Println("int32/int16", x)
	case struct{ a, b T }:
		fmt.Println("struct{T,T}", x.a, x.b)
	default:
		fmt.Println("other", x)
	}
}
func main() {
	f[float64](float64(6))
	f[float64](int(7))
	f[float64](int32(8))

	F_mntfromname [90]byte
	F_mntfromspec [90]byte
	_             [2]byte
	Mount_info    [160]byte
}

type Flock_t struct {
	Start  int64
	Len    int64
	Pid    int32
	Type   int16
	Whence int16
}

type Dirent struct {
	Fileno uint64
	Off    int64
	Reclen uint16
	Type   uint8
	Namlen uint8
	_      [4]uint8
	Name   [256]int8
}

type Fsid struct {
	Val [2]int32

	F_mntfromname [90]byte
	F_mntfromspec [90]byte
	_             [2]byte
	Mount_info    [160]byte
}

type Flock_t struct {
	Start  int64
	Len    int64
	Pid    int32
	Type   int16
	Whence int16
}

type Dirent struct {
	Fileno uint64
	Off    int64
	Reclen uint16
	Type   uint8
	Namlen uint8
	_      [4]uint8
	Name   [256]int8
}

type Fsid struct {
	Val [2]int32

	// ppc64x:-".*MOVW"
	f := int32(v >> 32)
	// ppc64x:".*MOVW"
	f += int32(v >> 31)
	// ppc64x:-".*MOVH"
	g := int16(v >> 48)
	// ppc64x:".*MOVH"
	g += int16(v >> 30)
	// ppc64x:-".*MOVH"
	g += int16(f >> 16)
	// ppc64x:-".*MOVB"
	h := int8(v >> 56)
	// ppc64x:".*MOVB"
	h += int8(v >> 28)
	// ppc64x:-".*MOVB"
	h += int8(f >> 24)
	// ppc64x:".*MOVB"