| Message ID | 1467392693-22715-3-git-send-email-rth@twiddle.net |
|---|---|
| State | New |
| Headers | show |
Richard Henderson <rth@twiddle.net> writes: > From: "Emilio G. Cota" <cota@braap.org> > > This paves the way for upcoming work. > > Signed-off-by: Emilio G. Cota <cota@braap.org> > Message-Id: <1467054136-10430-9-git-send-email-cota@braap.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> > --- > include/qemu/atomic.h | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h > index a5531da..d75bfde 100644 > --- a/include/qemu/atomic.h > +++ b/include/qemu/atomic.h > @@ -163,6 +163,14 @@ > #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) > > +#define atomic_inc_fetch(ptr) __atomic_add_fetch(ptr, 1, __ATOMIC_SEQ_CST) > +#define atomic_dec_fetch(ptr) __atomic_sub_fetch(ptr, 1, __ATOMIC_SEQ_CST) > +#define atomic_add_fetch(ptr, n) __atomic_add_fetch(ptr, n, __ATOMIC_SEQ_CST) > +#define atomic_sub_fetch(ptr, n) __atomic_sub_fetch(ptr, n, __ATOMIC_SEQ_CST) > +#define atomic_and_fetch(ptr, n) __atomic_and_fetch(ptr, n, __ATOMIC_SEQ_CST) > +#define atomic_or_fetch(ptr, n) __atomic_or_fetch(ptr, n, __ATOMIC_SEQ_CST) > +#define atomic_xor_fetch(ptr, n) __atomic_xor_fetch(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)) > #define atomic_dec(ptr) ((void) __atomic_fetch_sub(ptr, 1, __ATOMIC_SEQ_CST)) > @@ -358,6 +366,15 @@ > #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_inc_fetch(ptr) __sync_add_and_fetch(ptr, 1) > +#define atomic_dec_fetch(ptr) __sync_add_and_fetch(ptr, -1) > +#define atomic_add_fetch __sync_add_and_fetch > +#define atomic_sub_fetch __sync_sub_and_fetch > +#define atomic_and_fetch __sync_and_and_fetch > +#define atomic_or_fetch __sync_or_and_fetch > +#define atomic_xor_fetch __sync_xor_and_fetch > + > #define atomic_cmpxchg __sync_val_compare_and_swap > > /* And even shorter names that return void. */ -- Alex Bennée
diff --git a/include/qemu/atomic.h b/include/qemu/atomic.h index a5531da..d75bfde 100644 --- a/include/qemu/atomic.h +++ b/include/qemu/atomic.h @@ -163,6 +163,14 @@ #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) +#define atomic_inc_fetch(ptr) __atomic_add_fetch(ptr, 1, __ATOMIC_SEQ_CST) +#define atomic_dec_fetch(ptr) __atomic_sub_fetch(ptr, 1, __ATOMIC_SEQ_CST) +#define atomic_add_fetch(ptr, n) __atomic_add_fetch(ptr, n, __ATOMIC_SEQ_CST) +#define atomic_sub_fetch(ptr, n) __atomic_sub_fetch(ptr, n, __ATOMIC_SEQ_CST) +#define atomic_and_fetch(ptr, n) __atomic_and_fetch(ptr, n, __ATOMIC_SEQ_CST) +#define atomic_or_fetch(ptr, n) __atomic_or_fetch(ptr, n, __ATOMIC_SEQ_CST) +#define atomic_xor_fetch(ptr, n) __atomic_xor_fetch(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)) #define atomic_dec(ptr) ((void) __atomic_fetch_sub(ptr, 1, __ATOMIC_SEQ_CST)) @@ -358,6 +366,15 @@ #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_inc_fetch(ptr) __sync_add_and_fetch(ptr, 1) +#define atomic_dec_fetch(ptr) __sync_add_and_fetch(ptr, -1) +#define atomic_add_fetch __sync_add_and_fetch +#define atomic_sub_fetch __sync_sub_and_fetch +#define atomic_and_fetch __sync_and_and_fetch +#define atomic_or_fetch __sync_or_and_fetch +#define atomic_xor_fetch __sync_xor_and_fetch + #define atomic_cmpxchg __sync_val_compare_and_swap /* And even shorter names that return void. */