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Atomic ops on ARM are implemented with kernel calls, so they are not intrinsified. Change-Id: I0e7cc2e5526ae1a3d24b4b89be1bd13db071f8ef Reviewed-on: https://go-review.googlesource.com/28977 Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: David Chase <drchase@google.com>
21 lines
743 B
Go
21 lines
743 B
Go
// errorcheck -0 -d=ssa/intrinsics/debug
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// +build amd64 arm64
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// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import "sync/atomic"
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var x uint32
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func atomics() {
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_ = atomic.LoadUint32(&x) // ERROR "intrinsic substitution for LoadUint32"
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atomic.StoreUint32(&x, 1) // ERROR "intrinsic substitution for StoreUint32"
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atomic.AddUint32(&x, 1) // ERROR "intrinsic substitution for AddUint32"
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atomic.SwapUint32(&x, 1) // ERROR "intrinsic substitution for SwapUint32"
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atomic.CompareAndSwapUint32(&x, 1, 2) // ERROR "intrinsic substitution for CompareAndSwapUint32"
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}
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