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sparc64: add atomic_fcmpset

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Tested on hardware provided by feld.

Reviewed by:	marius
This commit is contained in:
Mateusz Guzik 2017-01-10 21:10:20 +00:00
parent 36289c3336
commit 4cf80fbd79
1 changed files with 34 additions and 0 deletions
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34
sys/sparc64/include/atomic.h
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@ -219,6 +219,40 @@ atomic_cmpset_rel_ ## name(volatile ptype p, vtype e, vtype s) \
return (((vtype)atomic_cas_rel((p), (e), (s), sz)) == (e)); \
} \
\
static __inline int \
atomic_fcmpset_ ## name(volatile ptype p, vtype *ep, vtype s) \
{ \
vtype t; \
\
t = (vtype)atomic_cas((p), (*ep), (s), sz); \
if (t == (*ep)) \
return (1); \
*ep = t; \
return (0); \
} \
static __inline int \
atomic_fcmpset_acq_ ## name(volatile ptype p, vtype *ep, vtype s) \
{ \
vtype t; \
\
t = (vtype)atomic_cas_acq((p), (*ep), (s), sz); \
if (t == (*ep)) \
return (1); \
*ep = t; \
return (0); \
} \
static __inline int \
atomic_fcmpset_rel_ ## name(volatile ptype p, vtype *ep, vtype s) \
{ \
vtype t; \
\
t = (vtype)atomic_cas_rel((p), (*ep), (s), sz); \
if (t == (*ep)) \
return (1); \
*ep = t; \
return (0); \
} \
\
static __inline vtype \
atomic_load_ ## name(volatile ptype p) \
{ \