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https://github.com/golang/go
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f4fe89108c
riscv64 now has atomic intrinsics, so re-enable the atomic intrinsic tests. Fixes #36765 Change-Id: I838f27570a94d7fa5774c43f1ca5f4df2ca104cf Reviewed-on: https://go-review.googlesource.com/c/go/+/223560 Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
// +build !nacl,!386,!wasm,!arm,!gcflags_noopt
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// errorcheck -0 -m
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// Copyright 2019 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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// Test, using compiler diagnostic flags, that inlining of functions
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// imported from the sync package is working.
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// Compiles but does not run.
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// FIXME: This test is disabled on architectures where atomic operations
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// are function calls rather than intrinsics, since this prevents inlining
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// of the sync fast paths. This test should be re-enabled once the problem
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// is solved.
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package foo
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import (
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"sync"
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)
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var mutex *sync.Mutex
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func small5() { // ERROR "can inline small5"
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// the Unlock fast path should be inlined
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mutex.Unlock() // ERROR "inlining call to sync\.\(\*Mutex\)\.Unlock"
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}
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func small6() { // ERROR "can inline small6"
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// the Lock fast path should be inlined
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mutex.Lock() // ERROR "inlining call to sync\.\(\*Mutex\)\.Lock"
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}
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var once *sync.Once
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func small7() { // ERROR "can inline small7"
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// the Do fast path should be inlined
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once.Do(small5) // ERROR "inlining call to sync\.\(\*Once\)\.Do"
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}
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var rwmutex *sync.RWMutex
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func small8() { // ERROR "can inline small8"
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// the RUnlock fast path should be inlined
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rwmutex.RUnlock() // ERROR "inlining call to sync\.\(\*RWMutex\)\.RUnlock"
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}
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func small9() { // ERROR "can inline small9"
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// the RLock fast path should be inlined
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rwmutex.RLock() // ERROR "inlining call to sync\.\(\*RWMutex\)\.RLock"
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}
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