| // build | |
| // Copyright 2026 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 a | |
| import "math/bits" | |
| //go:noinline | |
| func add(p, q, x, y uint64) uint64 { | |
| c := uint64(0) | |
| if p < q { | |
| c = 1 | |
| } | |
| s, _ := bits.Add64(x, y, c) | |
| return s | |
| } | |
| //go:noinline | |
| func sub(p, q, x, y uint64) uint64 { | |
| c := uint64(0) | |
| if p < q { | |
| c = 1 | |
| } | |
| s, _ := bits.Sub64(x, y, c) | |
| return s | |
| } |