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Diffstat (limited to 'src/reflect/float32reg_generic.go')
-rw-r--r-- | src/reflect/float32reg_generic.go | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/reflect/float32reg_generic.go b/src/reflect/float32reg_generic.go new file mode 100644 index 0000000..23ad4bf --- /dev/null +++ b/src/reflect/float32reg_generic.go @@ -0,0 +1,23 @@ +// 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))) +} |