diff options
Diffstat (limited to 'include/asm-i386/atomic.h')
-rw-r--r-- | include/asm-i386/atomic.h | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/include/asm-i386/atomic.h b/include/asm-i386/atomic.h index 4f061fa7379..51a16624252 100644 --- a/include/asm-i386/atomic.h +++ b/include/asm-i386/atomic.h | |||
@@ -46,8 +46,8 @@ static __inline__ void atomic_add(int i, atomic_t *v) | |||
46 | { | 46 | { |
47 | __asm__ __volatile__( | 47 | __asm__ __volatile__( |
48 | LOCK_PREFIX "addl %1,%0" | 48 | LOCK_PREFIX "addl %1,%0" |
49 | :"=m" (v->counter) | 49 | :"+m" (v->counter) |
50 | :"ir" (i), "m" (v->counter)); | 50 | :"ir" (i)); |
51 | } | 51 | } |
52 | 52 | ||
53 | /** | 53 | /** |
@@ -61,8 +61,8 @@ static __inline__ void atomic_sub(int i, atomic_t *v) | |||
61 | { | 61 | { |
62 | __asm__ __volatile__( | 62 | __asm__ __volatile__( |
63 | LOCK_PREFIX "subl %1,%0" | 63 | LOCK_PREFIX "subl %1,%0" |
64 | :"=m" (v->counter) | 64 | :"+m" (v->counter) |
65 | :"ir" (i), "m" (v->counter)); | 65 | :"ir" (i)); |
66 | } | 66 | } |
67 | 67 | ||
68 | /** | 68 | /** |
@@ -80,8 +80,8 @@ static __inline__ int atomic_sub_and_test(int i, atomic_t *v) | |||
80 | 80 | ||
81 | __asm__ __volatile__( | 81 | __asm__ __volatile__( |
82 | LOCK_PREFIX "subl %2,%0; sete %1" | 82 | LOCK_PREFIX "subl %2,%0; sete %1" |
83 | :"=m" (v->counter), "=qm" (c) | 83 | :"+m" (v->counter), "=qm" (c) |
84 | :"ir" (i), "m" (v->counter) : "memory"); | 84 | :"ir" (i) : "memory"); |
85 | return c; | 85 | return c; |
86 | } | 86 | } |
87 | 87 | ||
@@ -95,8 +95,7 @@ static __inline__ void atomic_inc(atomic_t *v) | |||
95 | { | 95 | { |
96 | __asm__ __volatile__( | 96 | __asm__ __volatile__( |
97 | LOCK_PREFIX "incl %0" | 97 | LOCK_PREFIX "incl %0" |
98 | :"=m" (v->counter) | 98 | :"+m" (v->counter)); |
99 | :"m" (v->counter)); | ||
100 | } | 99 | } |
101 | 100 | ||
102 | /** | 101 | /** |
@@ -109,8 +108,7 @@ static __inline__ void atomic_dec(atomic_t *v) | |||
109 | { | 108 | { |
110 | __asm__ __volatile__( | 109 | __asm__ __volatile__( |
111 | LOCK_PREFIX "decl %0" | 110 | LOCK_PREFIX "decl %0" |
112 | :"=m" (v->counter) | 111 | :"+m" (v->counter)); |
113 | :"m" (v->counter)); | ||
114 | } | 112 | } |
115 | 113 | ||
116 | /** | 114 | /** |
@@ -127,8 +125,8 @@ static __inline__ int atomic_dec_and_test(atomic_t *v) | |||
127 | 125 | ||
128 | __asm__ __volatile__( | 126 | __asm__ __volatile__( |
129 | LOCK_PREFIX "decl %0; sete %1" | 127 | LOCK_PREFIX "decl %0; sete %1" |
130 | :"=m" (v->counter), "=qm" (c) | 128 | :"+m" (v->counter), "=qm" (c) |
131 | :"m" (v->counter) : "memory"); | 129 | : : "memory"); |
132 | return c != 0; | 130 | return c != 0; |
133 | } | 131 | } |
134 | 132 | ||
@@ -146,8 +144,8 @@ static __inline__ int atomic_inc_and_test(atomic_t *v) | |||
146 | 144 | ||
147 | __asm__ __volatile__( | 145 | __asm__ __volatile__( |
148 | LOCK_PREFIX "incl %0; sete %1" | 146 | LOCK_PREFIX "incl %0; sete %1" |
149 | :"=m" (v->counter), "=qm" (c) | 147 | :"+m" (v->counter), "=qm" (c) |
150 | :"m" (v->counter) : "memory"); | 148 | : : "memory"); |
151 | return c != 0; | 149 | return c != 0; |
152 | } | 150 | } |
153 | 151 | ||
@@ -166,8 +164,8 @@ static __inline__ int atomic_add_negative(int i, atomic_t *v) | |||
166 | 164 | ||
167 | __asm__ __volatile__( | 165 | __asm__ __volatile__( |
168 | LOCK_PREFIX "addl %2,%0; sets %1" | 166 | LOCK_PREFIX "addl %2,%0; sets %1" |
169 | :"=m" (v->counter), "=qm" (c) | 167 | :"+m" (v->counter), "=qm" (c) |
170 | :"ir" (i), "m" (v->counter) : "memory"); | 168 | :"ir" (i) : "memory"); |
171 | return c; | 169 | return c; |
172 | } | 170 | } |
173 | 171 | ||