3 // Copyright 2018 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
7 // Issue 26438: arm64 backend may use 64-bit TST for
8 // "if uint32(a)&uint32(b) == 0", which should be
14 func tstw(a, b uint64) uint64 {
15 if uint32(a)&uint32(b) == 0 {
23 if tstw(0xff00000000, 0xaa00000000) == 200 {