Author: mjg Date: Tue Jan 10 21:10:20 2017 New Revision: 311898 URL: https://svnweb.freebsd.org/changeset/base/311898
Log:
sparc64: add atomic_fcmpset
Tested on hardware provided by feld.
Reviewed by: marius
Modified:
head/sys/sparc64/include/atomic.h
Modified: head/sys/sparc64/include/atomic.h
==============================================================================
--- head/sys/sparc64/include/atomic.h Tue Jan 10 20:52:44 2017
(r311897)
+++ head/sys/sparc64/include/atomic.h Tue Jan 10 21:10:20 2017
(r311898)
@@ -219,6 +219,40 @@ atomic_cmpset_rel_ ## name(volatile ptyp
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) \
{ \
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