Richard Henderson <r...@twiddle.net> writes: > From: "Emilio G. Cota" <c...@braap.org> > > This paves the way for upcoming work. > > Signed-off-by: Emilio G. Cota <c...@braap.org> > Message-Id: <1467054136-10430-8-git-send-email-c...@braap.org>
Reviewed-by: Alex Bennée <alex.ben...@linaro.org> > --- > include/qemu/atomic.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h > index 7a59096..a5531da 100644 > --- a/include/qemu/atomic.h > +++ b/include/qemu/atomic.h > @@ -161,6 +161,7 @@ > #define atomic_fetch_sub(ptr, n) __atomic_fetch_sub(ptr, n, __ATOMIC_SEQ_CST) > #define atomic_fetch_and(ptr, n) __atomic_fetch_and(ptr, n, __ATOMIC_SEQ_CST) > #define atomic_fetch_or(ptr, n) __atomic_fetch_or(ptr, n, __ATOMIC_SEQ_CST) > +#define atomic_fetch_xor(ptr, n) __atomic_fetch_xor(ptr, n, __ATOMIC_SEQ_CST) > > /* And even shorter names that return void. */ > #define atomic_inc(ptr) ((void) __atomic_fetch_add(ptr, 1, > __ATOMIC_SEQ_CST)) > @@ -169,6 +170,7 @@ > #define atomic_sub(ptr, n) ((void) __atomic_fetch_sub(ptr, n, > __ATOMIC_SEQ_CST)) > #define atomic_and(ptr, n) ((void) __atomic_fetch_and(ptr, n, > __ATOMIC_SEQ_CST)) > #define atomic_or(ptr, n) ((void) __atomic_fetch_or(ptr, n, > __ATOMIC_SEQ_CST)) > +#define atomic_xor(ptr, n) ((void) __atomic_fetch_xor(ptr, n, > __ATOMIC_SEQ_CST)) > > #else /* __ATOMIC_RELAXED */ > > @@ -355,6 +357,7 @@ > #define atomic_fetch_sub __sync_fetch_and_sub > #define atomic_fetch_and __sync_fetch_and_and > #define atomic_fetch_or __sync_fetch_and_or > +#define atomic_fetch_xor __sync_fetch_and_xor > #define atomic_cmpxchg __sync_val_compare_and_swap > > /* And even shorter names that return void. */ > @@ -364,6 +367,7 @@ > #define atomic_sub(ptr, n) ((void) __sync_fetch_and_sub(ptr, n)) > #define atomic_and(ptr, n) ((void) __sync_fetch_and_and(ptr, n)) > #define atomic_or(ptr, n) ((void) __sync_fetch_and_or(ptr, n)) > +#define atomic_xor(ptr, n) ((void) __sync_fetch_and_xor(ptr, n)) > > #endif /* __ATOMIC_RELAXED */ > #endif /* __QEMU_ATOMIC_H */ -- Alex Bennée
