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@ -16,7 +16,7 @@
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/* if (*x == oldval) { *x=newval; return 1; } else return 0; */
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static inline int compare_and_swap(volatile size_t* x,size_t oldval,size_t newval) {
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#ifdef USE_BUILTINS
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__sync_bool_compare_and_swap(x,oldval,newval);
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return __sync_bool_compare_and_swap(x,oldval,newval);
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#elif defined(__i386__)
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char result;
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asm volatile ("lock; cmpxchgl %3, %0; setz %1" : "=m"(*x), "=q" (result) : "m" (*x), "r" (newval), "a" (oldval) : "memory");
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@ -46,7 +46,7 @@ static inline void atomic_add(size_t* x,size_t val) {
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/* return *x += val; */
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static inline size_t atomic_add_return(size_t* x,size_t val) {
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#ifdef USE_BUILTINS
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__sync_add_and_fetch(x,val);
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return __sync_add_and_fetch(x,val);
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#elif defined(__i386__)
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size_t i = val;
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asm volatile ("lock; xaddl %1, %0" : "+m" (*x), "+r" (val) :: "memory" );
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