return fintto64(x)
}

func f32toint32(x uint32) int32 {
	val, _ := f64toint(f32to64(x))
	return int32(val)
}

func f32toint64(x uint32) int64 {
	val, _ := f64toint(f32to64(x))
	return val
}

func f64toint32(x uint64) int32 {
	val, _ := f64toint(x)
	return int32(val)
}

func f64toint64(x uint64) int64 {
	val, _ := f64toint(x)
	return val
}

}

// float64 -hw-> int32 -hw-> float64
func hwint32(f float64) float64 {
	return float64(int32(f))
}

// float64 -sw-> int64 -hw-> float64
func toint64sw(f float64) float64 {
	i, ok := F64toint(math.Float64bits(f))
	if !ok {
		// There's no right answer for out of range.
		// Match the hardware to pass the test.
		i = int64(f)
	}
	return float64(i)
}

// float64 -hw-> int64 -sw-> float64

		ssa.OpCvt32to64F:  {typecheck.LookupRuntimeFunc("fint32to64"), types.TFLOAT64},
		ssa.OpCvt64Fto32:  {typecheck.LookupRuntimeFunc("f64toint32"), types.TINT32},
		ssa.OpCvt64to64F:  {typecheck.LookupRuntimeFunc("fint64to64"), types.TFLOAT64},
		ssa.OpCvt64Fto64:  {typecheck.LookupRuntimeFunc("f64toint64"), types.TINT64},
		ssa.OpCvt64Uto64F: {typecheck.LookupRuntimeFunc("fuint64to64"), types.TFLOAT64},

	"unsafe"
)

var Fadd64 = fadd64
var Fsub64 = fsub64
var Fmul64 = fmul64
var Fdiv64 = fdiv64
var F64to32 = f64to32
var F32to64 = f32to64
var Fcmp64 = fcmp64
var Fintto64 = fintto64
var F64toint = f64toint

var Entersyscall = entersyscall
var Exitsyscall = exitsyscall
var LockedOSThread = lockedOSThread
var Xadduintptr = atomic.Xadduintptr

var ReadRandomFailed = &readRandomFailed

var Fastlog2 = fastlog2

func floatsToInts(t *testing.T, x float64, expected int64) {
	y := float32(x)
	expectInt64(t, "F64toI8", int64(F64toI8_ssa(x)), expected)
	expectInt64(t, "F64toI16", int64(F64toI16_ssa(x)), expected)
	expectInt64(t, "F64toI32", int64(F64toI32_ssa(x)), expected)
	expectInt64(t, "F64toI64", int64(F64toI64_ssa(x)), expected)
	expectInt64(t, "F32toI8", int64(F32toI8_ssa(y)), expected)
	expectInt64(t, "F32toI16", int64(F32toI16_ssa(y)), expected)