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Diffstat (limited to 'libgo/go/runtime/unaligned2.go')
| -rw-r--r-- | libgo/go/runtime/unaligned2.go | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libgo/go/runtime/unaligned2.go b/libgo/go/runtime/unaligned2.go new file mode 100644 index 0000000000..b8aefb9522 --- /dev/null +++ b/libgo/go/runtime/unaligned2.go @@ -0,0 +1,20 @@ +// Copyright 2014 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. + +// +build arm mips mipsle mips64 mips64le armbe m68k mipso32 mipsn32 sparc alpha ia64 mipso64 mipsn64 mips64p32 mips64p32le sparc64 + +package runtime + +import "unsafe" + +// Note: These routines perform the read with an unspecified endianness. +func readUnaligned32(p unsafe.Pointer) uint32 { + q := (*[4]byte)(p) + return uint32(q[0]) + uint32(q[1])<<8 + uint32(q[2])<<16 + uint32(q[3])<<24 +} + +func readUnaligned64(p unsafe.Pointer) uint64 { + q := (*[8]byte)(p) + return uint64(q[0]) + uint64(q[1])<<8 + uint64(q[2])<<16 + uint64(q[3])<<24 + uint64(q[4])<<32 + uint64(q[5])<<40 + uint64(q[6])<<48 + uint64(q[7])<<56 +} |