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-rw-r--r--arch/sh/include/asm/atomic-grb.h46
1 files changed, 0 insertions, 46 deletions
diff --git a/arch/sh/include/asm/atomic-grb.h b/arch/sh/include/asm/atomic-grb.h
index 4c5b7dbfcedb..a273c88578fc 100644
--- a/arch/sh/include/asm/atomic-grb.h
+++ b/arch/sh/include/asm/atomic-grb.h
@@ -120,50 +120,4 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
120 : "memory" , "r0", "r1"); 120 : "memory" , "r0", "r1");
121} 121}
122 122
123static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
124{
125 int ret;
126
127 __asm__ __volatile__ (
128 " .align 2 \n\t"
129 " mova 1f, r0 \n\t"
130 " nop \n\t"
131 " mov r15, r1 \n\t"
132 " mov #-8, r15 \n\t"
133 " mov.l @%1, %0 \n\t"
134 " cmp/eq %2, %0 \n\t"
135 " bf 1f \n\t"
136 " mov.l %3, @%1 \n\t"
137 "1: mov r1, r15 \n\t"
138 : "=&r" (ret)
139 : "r" (v), "r" (old), "r" (new)
140 : "memory" , "r0", "r1" , "t");
141
142 return ret;
143}
144
145static inline int atomic_add_unless(atomic_t *v, int a, int u)
146{
147 int ret;
148 unsigned long tmp;
149
150 __asm__ __volatile__ (
151 " .align 2 \n\t"
152 " mova 1f, r0 \n\t"
153 " nop \n\t"
154 " mov r15, r1 \n\t"
155 " mov #-12, r15 \n\t"
156 " mov.l @%2, %1 \n\t"
157 " mov %1, %0 \n\t"
158 " cmp/eq %4, %0 \n\t"
159 " bt/s 1f \n\t"
160 " add %3, %1 \n\t"
161 " mov.l %1, @%2 \n\t"
162 "1: mov r1, r15 \n\t"
163 : "=&r" (ret), "=&r" (tmp)
164 : "r" (v), "r" (a), "r" (u)
165 : "memory" , "r0", "r1" , "t");
166
167 return ret != u;
168}
169#endif /* __ASM_SH_ATOMIC_GRB_H */ 123#endif /* __ASM_SH_ATOMIC_GRB_H */