internal/poll: use internal/byteorder

Change-Id: Ied768b8b675281b340f91f4ac6f688594be8bf4e
Reviewed-on: https://go-review.googlesource.com/c/go/+/585118
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>

diff --git a/src/internal/poll/fd_wasip1.go b/src/internal/poll/fd_wasip1.go
index aecd89669b482c450de6bcb438059e29f27a5694..195aaa9517d117088b6fbcbdb9e210a44bfdb2b6 100644 (file)
--- a/src/internal/poll/fd_wasip1.go
+++ b/src/internal/poll/fd_wasip1.go
@@ -5,6 +5,7 @@
 package poll
 
 import (
+       "internal/byteorder"
        "sync/atomic"
        "syscall"
        "unsafe"
@@ -224,15 +225,11 @@ func readIntLE(b []byte, size uintptr) uint64 {
        case 1:
                return uint64(b[0])
        case 2:
-               _ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
-               return uint64(b[0]) | uint64(b[1])<<8
+               return uint64(byteorder.LeUint16(b))
        case 4:
-               _ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
-               return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24
+               return uint64(byteorder.LeUint32(b))
        case 8:
-               _ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
-               return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
-                       uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
+               return uint64(byteorder.LeUint64(b))
        default:
                panic("internal/poll: readInt with unsupported size")
        }