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34 #ifndef _RTE_SPINLOCK_I686_H_
35 #define _RTE_SPINLOCK_I686_H_
41 #include "generic/rte_spinlock.h"
43 #ifndef RTE_FORCE_INTRINSICS
45 rte_spinlock_lock(rte_spinlock_t *sl)
50 "xchg %[locked], %[lv]\n"
55 "cmpl $0, %[locked]\n"
59 : [locked] "=m" (sl->locked), [lv] "=q" (lock_val)
65 rte_spinlock_unlock (rte_spinlock_t *sl)
69 "xchg %[locked], %[ulv]\n"
70 : [locked] "=m" (sl->locked), [ulv] "=q" (unlock_val)
71 : "[ulv]" (unlock_val)
76 rte_spinlock_trylock (rte_spinlock_t *sl)
81 "xchg %[locked], %[lockval]"
82 : [locked] "=m" (sl->locked), [lockval] "=q" (lockval)
83 : "[lockval]" (lockval)
86 return (lockval == 0);
94 #endif /* _RTE_SPINLOCK_I686_H_ */