3 // Copyright 2022 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.
9 // This checks for incorrect application of CMP(-x,y) -> CMN(x,y) in arm and arm64
12 func f(p int64, x, y int64) bool { return -x <= p && p <= y }
15 func g(p int32, x, y int32) bool { return -x <= p && p <= y }
17 // There are some more complicated patterns involving compares and shifts, try to trigger those.
20 func h(p int64, x, y int64) bool { return -(x<<1) <= p && p <= y }
23 func k(p int32, x, y int32) bool { return -(1<<x) <= p && p <= y }
34 check(f(1, -1<<63, 1<<63-1))
35 check(g(1, -1<<31, 1<<31-1))
36 check(h(1, -1<<62, 1<<63-1))
37 check(k(1, 31, 1<<31-1))