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 * @param val Memory location to which will be the immediate value added.
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 * @param val Memory location to which will be the immediate value added.
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 * @param i Signed immediate that will be added to *val.
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 * @param i Signed immediate that will be added to *val.
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 *
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 *
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 * @return Value after addition.
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 * @return Value after addition.
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 */
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 */
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static inline atomic_t atomic_add(atomic_t *val, int i)
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static inline count_t atomic_add(atomic_t *val, int i)
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{
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{
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    atomic_t tmp, v;
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    count_t tmp, v;
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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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        "   ll %0, %1\n"
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        "   ll %0, %1\n"
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        "   addiu %0, %0, %3\n" /* same as addi, but never traps on overflow */
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        "   addiu %0, %0, %3\n" /* same as addi, but never traps on overflow */