MIPS64: Add "Compare and Swap" intrinsic support.

Add following functions from sun.misc.Unsafe:

- boolean compareAndSwapInt(Object, long, int expected, int)
- boolean compareAndSwapLong(Object, long, long expected, long)
- boolean compareAndSwapObject(Object, long, Object expected, Object)

Change-Id: Iea0bf486ce1fc0d77ce349dfd6c089c9835fbe92
1 file changed