| // asmcheck | |
| // Copyright 2024 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. | |
| package codegen | |
| func calc(a uint64) uint64 { | |
| v := a >> 20 & 0x7f | |
| // amd64: `SHRQ\s\$17, AX$`, `ANDL\s\$1016, AX$` | |
| return v << 3 | |
| } | |