diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-08 18:00:28 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-07-08 18:00:28 -0400 |
commit | e2a3d40258fe20d205f8ed592e1e2c0d5529c2e1 (patch) | |
tree | b8d778fb559c581e08bfc86831d16ee1cd43c841 /include/asm-powerpc/atomic.h | |
parent | a496e25dfb25493a57bcee5d66875d6ff80a9093 (diff) |
power: improve inline asm memory constraints
Use "+m" rather than a combination of "=m" and "m" for improved
clarity and consistency.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-powerpc/atomic.h')
-rw-r--r-- | include/asm-powerpc/atomic.h | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/include/asm-powerpc/atomic.h b/include/asm-powerpc/atomic.h index bb3c0ab7e667..53283e2540b3 100644 --- a/include/asm-powerpc/atomic.h +++ b/include/asm-powerpc/atomic.h | |||
@@ -27,8 +27,8 @@ static __inline__ void atomic_add(int a, atomic_t *v) | |||
27 | PPC405_ERR77(0,%3) | 27 | PPC405_ERR77(0,%3) |
28 | " stwcx. %0,0,%3 \n\ | 28 | " stwcx. %0,0,%3 \n\ |
29 | bne- 1b" | 29 | bne- 1b" |
30 | : "=&r" (t), "=m" (v->counter) | 30 | : "=&r" (t), "+m" (v->counter) |
31 | : "r" (a), "r" (&v->counter), "m" (v->counter) | 31 | : "r" (a), "r" (&v->counter) |
32 | : "cc"); | 32 | : "cc"); |
33 | } | 33 | } |
34 | 34 | ||
@@ -63,8 +63,8 @@ static __inline__ void atomic_sub(int a, atomic_t *v) | |||
63 | PPC405_ERR77(0,%3) | 63 | PPC405_ERR77(0,%3) |
64 | " stwcx. %0,0,%3 \n\ | 64 | " stwcx. %0,0,%3 \n\ |
65 | bne- 1b" | 65 | bne- 1b" |
66 | : "=&r" (t), "=m" (v->counter) | 66 | : "=&r" (t), "+m" (v->counter) |
67 | : "r" (a), "r" (&v->counter), "m" (v->counter) | 67 | : "r" (a), "r" (&v->counter) |
68 | : "cc"); | 68 | : "cc"); |
69 | } | 69 | } |
70 | 70 | ||
@@ -97,8 +97,8 @@ static __inline__ void atomic_inc(atomic_t *v) | |||
97 | PPC405_ERR77(0,%2) | 97 | PPC405_ERR77(0,%2) |
98 | " stwcx. %0,0,%2 \n\ | 98 | " stwcx. %0,0,%2 \n\ |
99 | bne- 1b" | 99 | bne- 1b" |
100 | : "=&r" (t), "=m" (v->counter) | 100 | : "=&r" (t), "+m" (v->counter) |
101 | : "r" (&v->counter), "m" (v->counter) | 101 | : "r" (&v->counter) |
102 | : "cc"); | 102 | : "cc"); |
103 | } | 103 | } |
104 | 104 | ||
@@ -141,8 +141,8 @@ static __inline__ void atomic_dec(atomic_t *v) | |||
141 | PPC405_ERR77(0,%2)\ | 141 | PPC405_ERR77(0,%2)\ |
142 | " stwcx. %0,0,%2\n\ | 142 | " stwcx. %0,0,%2\n\ |
143 | bne- 1b" | 143 | bne- 1b" |
144 | : "=&r" (t), "=m" (v->counter) | 144 | : "=&r" (t), "+m" (v->counter) |
145 | : "r" (&v->counter), "m" (v->counter) | 145 | : "r" (&v->counter) |
146 | : "cc"); | 146 | : "cc"); |
147 | } | 147 | } |
148 | 148 | ||
@@ -253,8 +253,8 @@ static __inline__ void atomic64_add(long a, atomic64_t *v) | |||
253 | add %0,%2,%0\n\ | 253 | add %0,%2,%0\n\ |
254 | stdcx. %0,0,%3 \n\ | 254 | stdcx. %0,0,%3 \n\ |
255 | bne- 1b" | 255 | bne- 1b" |
256 | : "=&r" (t), "=m" (v->counter) | 256 | : "=&r" (t), "+m" (v->counter) |
257 | : "r" (a), "r" (&v->counter), "m" (v->counter) | 257 | : "r" (a), "r" (&v->counter) |
258 | : "cc"); | 258 | : "cc"); |
259 | } | 259 | } |
260 | 260 | ||
@@ -287,8 +287,8 @@ static __inline__ void atomic64_sub(long a, atomic64_t *v) | |||
287 | subf %0,%2,%0\n\ | 287 | subf %0,%2,%0\n\ |
288 | stdcx. %0,0,%3 \n\ | 288 | stdcx. %0,0,%3 \n\ |
289 | bne- 1b" | 289 | bne- 1b" |
290 | : "=&r" (t), "=m" (v->counter) | 290 | : "=&r" (t), "+m" (v->counter) |
291 | : "r" (a), "r" (&v->counter), "m" (v->counter) | 291 | : "r" (a), "r" (&v->counter) |
292 | : "cc"); | 292 | : "cc"); |
293 | } | 293 | } |
294 | 294 | ||
@@ -319,8 +319,8 @@ static __inline__ void atomic64_inc(atomic64_t *v) | |||
319 | addic %0,%0,1\n\ | 319 | addic %0,%0,1\n\ |
320 | stdcx. %0,0,%2 \n\ | 320 | stdcx. %0,0,%2 \n\ |
321 | bne- 1b" | 321 | bne- 1b" |
322 | : "=&r" (t), "=m" (v->counter) | 322 | : "=&r" (t), "+m" (v->counter) |
323 | : "r" (&v->counter), "m" (v->counter) | 323 | : "r" (&v->counter) |
324 | : "cc"); | 324 | : "cc"); |
325 | } | 325 | } |
326 | 326 | ||
@@ -361,8 +361,8 @@ static __inline__ void atomic64_dec(atomic64_t *v) | |||
361 | addic %0,%0,-1\n\ | 361 | addic %0,%0,-1\n\ |
362 | stdcx. %0,0,%2\n\ | 362 | stdcx. %0,0,%2\n\ |
363 | bne- 1b" | 363 | bne- 1b" |
364 | : "=&r" (t), "=m" (v->counter) | 364 | : "=&r" (t), "+m" (v->counter) |
365 | : "r" (&v->counter), "m" (v->counter) | 365 | : "r" (&v->counter) |
366 | : "cc"); | 366 | : "cc"); |
367 | } | 367 | } |
368 | 368 | ||