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authorJosé Fonseca <[email protected]>2015-01-20 23:34:26 +0000
committerJose Fonseca <[email protected]>2015-01-30 15:24:33 +0000
commitd7f2dfb67ee9c50f221d35c840d3427e8f184209 (patch)
tree3569cc48a55d9844400832a79073682e1e30be1a /src/util
parenta7eec6d620a333b722157cf1a2865b050d210aad (diff)
util/u_atomic: Use _Interlocked* intrinsics for non 64bits.
The intrinsics are universally available, whereas older Windows SDKs (e.g. 7.0.7600) don't have the non-intrisic entrypoint. Reviewed-by: Roland Scheidegger <[email protected]>
Diffstat (limited to 'src/util')
-rw-r--r--src/util/u_atomic.h24
1 files changed, 12 insertions, 12 deletions
diff --git a/src/util/u_atomic.h b/src/util/u_atomic.h
index 40100363875..a528e01bc98 100644
--- a/src/util/u_atomic.h
+++ b/src/util/u_atomic.h
@@ -71,8 +71,8 @@
#define PIPE_ATOMIC "MSVC Intrinsics"
-/* We use the Windows header's Interlocked* functions instead of the
- * _Interlocked* intrinsics wherever we can, as support for the latter varies
+/* We use the Windows header's Interlocked*64 functions instead of the
+ * _Interlocked*64 intrinsics wherever we can, as support for the latter varies
* with target CPU, whereas Windows headers take care of all portability
* issues: using intrinsics where available, falling back to library
* implementations where not.
@@ -102,25 +102,25 @@
((void) p_atomic_inc_return(_v))
#define p_atomic_inc_return(_v) (\
- sizeof *(_v) == sizeof(short) ? InterlockedIncrement16((short *) (_v)) : \
- sizeof *(_v) == sizeof(long) ? InterlockedIncrement ((long *) (_v)) : \
- sizeof *(_v) == sizeof(__int64) ? InterlockedIncrement64((__int64 *)(_v)) : \
+ sizeof *(_v) == sizeof(short) ? _InterlockedIncrement16((short *) (_v)) : \
+ sizeof *(_v) == sizeof(long) ? _InterlockedIncrement ((long *) (_v)) : \
+ sizeof *(_v) == sizeof(__int64) ? InterlockedIncrement64 ((__int64 *)(_v)) : \
(assert(!"should not get here"), 0))
#define p_atomic_dec(_v) \
((void) p_atomic_dec_return(_v))
#define p_atomic_dec_return(_v) (\
- sizeof *(_v) == sizeof(short) ? InterlockedDecrement16((short *) (_v)) : \
- sizeof *(_v) == sizeof(long) ? InterlockedDecrement ((long *) (_v)) : \
- sizeof *(_v) == sizeof(__int64) ? InterlockedDecrement64((__int64 *)(_v)) : \
+ sizeof *(_v) == sizeof(short) ? _InterlockedDecrement16((short *) (_v)) : \
+ sizeof *(_v) == sizeof(long) ? _InterlockedDecrement ((long *) (_v)) : \
+ sizeof *(_v) == sizeof(__int64) ? InterlockedDecrement64 ((__int64 *)(_v)) : \
(assert(!"should not get here"), 0))
#define p_atomic_cmpxchg(_v, _old, _new) (\
- sizeof *(_v) == sizeof(char) ? _InterlockedCompareExchange8((char *) (_v), (char) (_new), (char) (_old)) : \
- sizeof *(_v) == sizeof(short) ? InterlockedCompareExchange16((short *) (_v), (short) (_new), (short) (_old)) : \
- sizeof *(_v) == sizeof(long) ? InterlockedCompareExchange ((long *) (_v), (long) (_new), (long) (_old)) : \
- sizeof *(_v) == sizeof(__int64) ? InterlockedCompareExchange64((__int64 *)(_v), (__int64)(_new), (__int64)(_old)) : \
+ sizeof *(_v) == sizeof(char) ? _InterlockedCompareExchange8 ((char *) (_v), (char) (_new), (char) (_old)) : \
+ sizeof *(_v) == sizeof(short) ? _InterlockedCompareExchange16((short *) (_v), (short) (_new), (short) (_old)) : \
+ sizeof *(_v) == sizeof(long) ? _InterlockedCompareExchange ((long *) (_v), (long) (_new), (long) (_old)) : \
+ sizeof *(_v) == sizeof(__int64) ? InterlockedCompareExchange64 ((__int64 *)(_v), (__int64)(_new), (__int64)(_old)) : \
(assert(!"should not get here"), 0))
#endif