float32reg_generic.go

     1  // Copyright 2021 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build !ppc64 && !ppc64le && !riscv64
     6  
     7  package reflect
     8  
     9  import "unsafe"
    10  
    11  // This file implements a straightforward conversion of a float32
    12  // value into its representation in a register. This conversion
    13  // applies for amd64 and arm64. It is also chosen for the case of
    14  // zero argument registers, but is not used.
    15  
    16  func archFloat32FromReg(reg uint64) float32 {
    17  	i := uint32(reg)
    18  	return *(*float32)(unsafe.Pointer(&i))
    19  }
    20  
    21  func archFloat32ToReg(val float32) uint64 {
    22  	return uint64(*(*uint32)(unsafe.Pointer(&val)))
    23  }
    24
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