golang float32reg_generic 代码
文件路径：/src/reflect/float32reg_generic.go
/ Copyright 2021 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
/go:build !ppc64 && !ppc64le && !riscv64
package reflect
import "unsafe"
/ This file implements a straightforward conversion of a float32
/ value into its representation in a register. This conversion
/ applies for amd64 and arm64. It is also chosen for the case of
/ zero argument registers, but is not used.
func archFloat32FromReg(reg uint64) float32 {
i := uint32(reg)
return *(*float32)(unsafe.Pointer(&i))
}
func archFloat32ToReg(val float32) uint64 {
return uint64(*(*uint32)(unsafe.Pointer(&val)))
}