mirror of git://git.musl-libc.org/musl
31 lines
609 B
C
31 lines
609 B
C
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#define a_cas a_cas
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static inline int a_cas(volatile int *p, int t, int s)
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{
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__asm__ __volatile__ (
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"cs %0, %2, %1"
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: "+d"(t), "+Q"(*p) : "d"(s) : "memory", "cc");
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return t;
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}
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#define a_cas_p a_cas_p
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static inline void *a_cas_p(volatile void *p, void *t, void *s)
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{
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__asm__ __volatile__ (
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"csg %0, %2, %1"
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: "+d"(t), "+Q"(*(void *volatile *)p) : "d"(s)
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: "memory", "cc");
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return t;
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}
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#define a_barrier a_barrier
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static inline void a_barrier()
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{
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__asm__ __volatile__ ("bcr 15,0" : : : "memory");
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}
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#define a_crash a_crash
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static inline void a_crash()
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{
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__asm__ __volatile__ (".insn e,0");
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}
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