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static inline void atomic_inc(atomic_t *val)
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static inline void atomic_inc(atomic_t *val)
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{
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{
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    long tmp;
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    long tmp;
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    asm __volatile__ (
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    asm volatile (
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        "1:\n"
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        "1:\n"
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        "lwarx %0, 0, %2\n"
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        "lwarx %0, 0, %2\n"
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        "addic %0, %0, 1\n"
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        "addic %0, %0, 1\n"
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        "stwcx. %0, 0, %2\n"
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        "stwcx. %0, 0, %2\n"
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        "bne- 1b"
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        "bne- 1b"
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        : "=&r" (tmp), "=m" (val->count)
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        : "=&r" (tmp), "=m" (val->count)
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        : "r" (&val->count), "m" (val->count)
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        : "r" (&val->count), "m" (val->count)
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        : "cc");
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        : "cc"
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    );
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}
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}
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static inline void atomic_dec(atomic_t *val)
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static inline void atomic_dec(atomic_t *val)
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{
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{
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    long tmp;
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    long tmp;
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    asm __volatile__(
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    asm volatile (
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        "1:\n"
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        "1:\n"
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        "lwarx %0, 0, %2\n"
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        "lwarx %0, 0, %2\n"
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        "addic %0, %0, -1\n"
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        "addic %0, %0, -1\n"
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        "stwcx. %0, 0, %2\n"
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        "stwcx. %0, 0, %2\n"
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        "bne- 1b"
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        "bne- 1b"
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        : "=&r" (tmp), "=m" (val->count)
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        : "=&r" (tmp), "=m" (val->count)
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        : "r" (&val->count), "m" (val->count)
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        : "r" (&val->count), "m" (val->count)
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        : "cc");
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        : "cc"
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    );
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}
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}
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static inline long atomic_postinc(atomic_t *val)
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static inline long atomic_postinc(atomic_t *val)
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{
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{
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    atomic_inc(val);
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    atomic_inc(val);