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go/test/inline_sync.go
Joel Sing 7f331e0e17 test: adjust tests for riscv64
This disables some tests that are unsupported on riscv64 and adds support
for risc64 to test/nosplit.

Updates #27532, #36739 and #36765

Change-Id: I0a57797a05bc80236709fc240c0a0efb0ee0d16b
Reviewed-on: https://go-review.googlesource.com/c/go/+/216263
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
2020-01-25 16:30:26 +00:00

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1.6 KiB
Go

// +build !nacl,!386,!wasm,!arm,!riscv64,!gcflags_noopt
// errorcheck -0 -m
// Copyright 2019 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.
// Test, using compiler diagnostic flags, that inlining of functions
// imported from the sync package is working.
// Compiles but does not run.
// FIXME: This test is disabled on architectures where atomic operations
// are function calls rather than intrinsics, since this prevents inlining
// of the sync fast paths. This test should be re-enabled once the problem
// is solved.
// TODO(jsing): Re-enable on riscv64 when it has atomic intrinsics - see
// golang.org/issue/36765
package foo
import (
"sync"
)
var mutex *sync.Mutex
func small5() { // ERROR "can inline small5"
// the Unlock fast path should be inlined
mutex.Unlock() // ERROR "inlining call to sync\.\(\*Mutex\)\.Unlock"
}
func small6() { // ERROR "can inline small6"
// the Lock fast path should be inlined
mutex.Lock() // ERROR "inlining call to sync\.\(\*Mutex\)\.Lock"
}
var once *sync.Once
func small7() { // ERROR "can inline small7"
// the Do fast path should be inlined
once.Do(small5) // ERROR "inlining call to sync\.\(\*Once\)\.Do"
}
var rwmutex *sync.RWMutex
func small8() { // ERROR "can inline small8"
// the RUnlock fast path should be inlined
rwmutex.RUnlock() // ERROR "inlining call to sync\.\(\*RWMutex\)\.RUnlock"
}
func small9() { // ERROR "can inline small9"
// the RLock fast path should be inlined
rwmutex.RLock() // ERROR "inlining call to sync\.\(\*RWMutex\)\.RLock"
}