38,11 → 38,11 |
#define LIBC_amd64_ATOMIC_H_ |
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static inline void atomic_inc(atomic_t *val) { |
asm volatile ("lock incq %0\n" : "=m" (val->count)); |
asm volatile ("lock incq %0\n" : "+m" (val->count)); |
} |
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static inline void atomic_dec(atomic_t *val) { |
asm volatile ("lock decq %0\n" : "=m" (val->count)); |
asm volatile ("lock decq %0\n" : "+m" (val->count)); |
} |
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static inline long atomic_postinc(atomic_t *val) |
52,7 → 52,7 |
asm volatile ( |
"movq $1, %0\n" |
"lock xaddq %0, %1\n" |
: "=r" (r), "=m" (val->count) |
: "=r" (r), "+m" (val->count) |
); |
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return r; |
65,14 → 65,14 |
asm volatile ( |
"movq $-1, %0\n" |
"lock xaddq %0, %1\n" |
: "=r" (r), "=m" (val->count) |
: "=r" (r), "+m" (val->count) |
); |
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return r; |
} |
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#define atomic_preinc(val) (atomic_postinc(val)+1) |
#define atomic_predec(val) (atomic_postdec(val)-1) |
#define atomic_preinc(val) (atomic_postinc(val) + 1) |
#define atomic_predec(val) (atomic_postdec(val) - 1) |
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#endif |
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