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allow implementing a_cas_p with pointer-sized ll/sc
[musl]
/
arch
/
arm
/
atomic_arch.h
diff --git
a/arch/arm/atomic_arch.h
b/arch/arm/atomic_arch.h
index
21db6b2
..
706fa1f
100644
(file)
--- a/
arch/arm/atomic_arch.h
+++ b/
arch/arm/atomic_arch.h
@@
-16,7
+16,7
@@
static inline int a_ll(volatile int *p)
static inline int a_sc(volatile int *p, int v)
{
int r;
- __asm__ __volatile__ ("strex %0,%
1,%2" : "=&r"(r) : "r"(v), "Q"(*p
) : "memory");
+ __asm__ __volatile__ ("strex %0,%
2,%1" : "=&r"(r), "=Q"(*p) : "r"(v
) : "memory");
return !r;
}