19 #define atomic_read(v)		READ_ONCE((v)->counter)  argument
20 #define atomic_set(v, i)	WRITE_ONCE(((v)->counter), (i))  argument
33 static inline void atomic_##op(int i, atomic_t *v)			\
35 	__asm__ __volatile__(#asm_op "l %1,%0" : "+m" (*v) : ASM_DI (i));\
41 static inline int atomic_##op##_return(int i, atomic_t *v)		\
46 			"1:	movel %2,%1\n"				\
47 			"	" #asm_op "l %3,%1\n"			\
48 			"	casl %2,%1,%0\n"			\
49 			"	jne 1b"					\
50 			: "+m" (*v), "=&d" (t), "=&d" (tmp)		\
51 			: "g" (i), "2" (atomic_read(v)));		\
56 static inline int atomic_fetch_##op(int i, atomic_t *v)			\
61 			"1:	movel %2,%1\n"				\
62 			"	" #asm_op "l %3,%1\n"			\
63 			"	casl %2,%1,%0\n"			\
64 			"	jne 1b"					\
65 			: "+m" (*v), "=&d" (t), "=&d" (tmp)		\
66 			: "g" (i), "2" (atomic_read(v)));		\
73 static inline int atomic_##op##_return(int i, atomic_t * v)		\
79 	t = (v->counter c_op i);					\
86 static inline int atomic_fetch_##op(int i, atomic_t * v)		\
92 	t = v->counter;							\
93 	v->counter c_op i;						\
123 static inline void atomic_inc(atomic_t *v)  in atomic_inc()  argument
125 	__asm__ __volatile__("addql #1,%0" : "+m" (*v));  in atomic_inc()
129 static inline void atomic_dec(atomic_t *v)  in atomic_dec()  argument
131 	__asm__ __volatile__("subql #1,%0" : "+m" (*v));  in atomic_dec()
135 static inline int atomic_dec_and_test(atomic_t *v)  in atomic_dec_and_test()  argument
138 	__asm__ __volatile__("subql #1,%1; seq %0" : "=d" (c), "+m" (*v));  in atomic_dec_and_test()
143 static inline int atomic_dec_and_test_lt(atomic_t *v)  in atomic_dec_and_test_lt()  argument
147 		"subql #1,%1; slt %0"  in atomic_dec_and_test_lt()
148 		: "=d" (c), "=m" (*v)  in atomic_dec_and_test_lt()
149 		: "m" (*v));  in atomic_dec_and_test_lt()
153 static inline int atomic_inc_and_test(atomic_t *v)  in atomic_inc_and_test()  argument
156 	__asm__ __volatile__("addql #1,%1; seq %0" : "=d" (c), "+m" (*v));  in atomic_inc_and_test()
163 #define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))  argument
164 #define atomic_xchg(v, new) (xchg(&((v)->counter), new))  argument
168 static inline int atomic_cmpxchg(atomic_t *v, int old, int new)  in atomic_cmpxchg()  argument
174 	prev = atomic_read(v);  in atomic_cmpxchg()
176 		atomic_set(v, new);  in atomic_cmpxchg()
181 static inline int atomic_xchg(atomic_t *v, int new)  in atomic_xchg()  argument
187 	prev = atomic_read(v);  in atomic_xchg()
188 	atomic_set(v, new);  in atomic_xchg()
195 static inline int atomic_sub_and_test(int i, atomic_t *v)  in atomic_sub_and_test()  argument
198 	__asm__ __volatile__("subl %2,%1; seq %0"  in atomic_sub_and_test()
199 			     : "=d" (c), "+m" (*v)  in atomic_sub_and_test()
205 static inline int atomic_add_negative(int i, atomic_t *v)  in atomic_add_negative()  argument
208 	__asm__ __volatile__("addl %2,%1; smi %0"  in atomic_add_negative()
209 			     : "=d" (c), "+m" (*v)  in atomic_add_negative()