diff options
Diffstat (limited to 'src/runtime/internal/atomic/sys_netbsd_arm.s')
| -rw-r--r-- | src/runtime/internal/atomic/sys_netbsd_arm.s | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/runtime/internal/atomic/sys_netbsd_arm.s b/src/runtime/internal/atomic/sys_netbsd_arm.s new file mode 100644 index 0000000000..3277d94af6 --- /dev/null +++ b/src/runtime/internal/atomic/sys_netbsd_arm.s @@ -0,0 +1,21 @@ +// Copyright 2015 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. + +#include "textflag.h" + +// TODO(minux): this is only valid for ARMv6+ +// bool Armcas(int32 *val, int32 old, int32 new) +// Atomically: +// if(*val == old){ +// *val = new; +// return 1; +// }else +// return 0; +TEXT runtime∕internal∕atomic·Cas(SB),NOSPLIT,$0 + B runtime∕internal∕atomic·armcas(SB) + +TEXT runtime∕internal∕atomic·Casp1(SB),NOSPLIT,$0 + B runtime∕internal∕atomic·Cas(SB) + + |