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-rw-r--r--src/runtime/alg.go18
-rw-r--r--src/runtime/unaligned1.go17
-rw-r--r--src/runtime/unaligned2.go20
3 files changed, 18 insertions, 37 deletions
diff --git a/src/runtime/alg.go b/src/runtime/alg.go
index 1c6795a1fa..732d32bf41 100644
--- a/src/runtime/alg.go
+++ b/src/runtime/alg.go
@@ -316,3 +316,21 @@ func initAlgAES() {
// Initialize with random data so hash collisions will be hard to engineer.
getRandomData(aeskeysched[:])
}
+
+// Note: These routines perform the read with an native endianness.
+func readUnaligned32(p unsafe.Pointer) uint32 {
+ q := (*[4]byte)(p)
+ if sys.BigEndian {
+ return uint32(q[3]) | uint32(q[2])<<8 | uint32(q[1])<<16 | uint32(q[0])<<24
+ }
+ 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)
+ if sys.BigEndian {
+ return uint64(q[7]) | uint64(q[6])<<8 | uint64(q[5])<<16 | uint64(q[4])<<24 |
+ uint64(q[3])<<32 | uint64(q[2])<<40 | uint64(q[1])<<48 | uint64(q[0])<<56
+ }
+ 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
+}
diff --git a/src/runtime/unaligned1.go b/src/runtime/unaligned1.go
deleted file mode 100644
index 1d90bdf83e..0000000000
--- a/src/runtime/unaligned1.go
+++ /dev/null
@@ -1,17 +0,0 @@
-// 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 386 amd64 amd64p32 arm64 ppc64 ppc64le s390x wasm
-
-package runtime
-
-import "unsafe"
-
-func readUnaligned32(p unsafe.Pointer) uint32 {
- return *(*uint32)(p)
-}
-
-func readUnaligned64(p unsafe.Pointer) uint64 {
- return *(*uint64)(p)
-}
diff --git a/src/runtime/unaligned2.go b/src/runtime/unaligned2.go
deleted file mode 100644
index 28b61192c4..0000000000
--- a/src/runtime/unaligned2.go
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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
-
-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
-}