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Fix some backup atomic macros

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This commit is contained in:
Chris Robinson
2018-10-31 12:00:02 -07:00
parent 624bc1c839
commit 4d422dfb24
1 changed files with 4 additions and 4 deletions
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common/atomic.h
+4 -4
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@@ -163,26 +163,26 @@ enum almemory_order {
#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
#define WRAP_ADD(S, ret, dest, incr) __asm__ __volatile__( \
"lock; xadd"S" %0,(%1)" \
"lock; xadd" S " %0,(%1)" \
: "=r" (ret) \
: "r" (dest), "0" (incr) \
: "memory" \
)
#define WRAP_SUB(S, ret, dest, decr) __asm__ __volatile__( \
"lock; xadd"S" %0,(%1)" \
"lock; xadd" S " %0,(%1)" \
: "=r" (ret) \
: "r" (dest), "0" (-(decr)) \
: "memory" \
)
#define WRAP_XCHG(S, ret, dest, newval) __asm__ __volatile__( \
"lock; xchg"S" %0,(%1)" \
"lock; xchg" S " %0,(%1)" \
: "=r" (ret) \
: "r" (dest), "0" (newval) \
: "memory" \
)
#define WRAP_CMPXCHG(S, ret, dest, oldval, newval) __asm__ __volatile__( \
"lock; cmpxchg"S" %2,(%1)" \
"lock; cmpxchg" S " %2,(%1)" \
: "=a" (ret) \
: "r" (dest), "r" (newval), "0" (oldval) \
: "memory" \