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authorLinus Torvalds <torvalds@g5.osdl.org>2006-07-09 00:00:28 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-09 00:00:28 +0200
commite2a3d40258fe20d205f8ed592e1e2c0d5529c2e1 (patch)
treeb8d778fb559c581e08bfc86831d16ee1cd43c841 /include/asm-powerpc/atomic.h
parent[PATCH] Fix cpufreq vs hotplug lockdep recursion. (diff)
downloadlinux-e2a3d40258fe20d205f8ed592e1e2c0d5529c2e1.tar.xz
linux-e2a3d40258fe20d205f8ed592e1e2c0d5529c2e1.zip
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.h32
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)
PPC405_ERR77(0,%3)
" stwcx. %0,0,%3 \n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (a), "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (a), "r" (&v->counter)
: "cc");
}
@@ -63,8 +63,8 @@ static __inline__ void atomic_sub(int a, atomic_t *v)
PPC405_ERR77(0,%3)
" stwcx. %0,0,%3 \n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (a), "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (a), "r" (&v->counter)
: "cc");
}
@@ -97,8 +97,8 @@ static __inline__ void atomic_inc(atomic_t *v)
PPC405_ERR77(0,%2)
" stwcx. %0,0,%2 \n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (&v->counter)
: "cc");
}
@@ -141,8 +141,8 @@ static __inline__ void atomic_dec(atomic_t *v)
PPC405_ERR77(0,%2)\
" stwcx. %0,0,%2\n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (&v->counter)
: "cc");
}
@@ -253,8 +253,8 @@ static __inline__ void atomic64_add(long a, atomic64_t *v)
add %0,%2,%0\n\
stdcx. %0,0,%3 \n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (a), "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (a), "r" (&v->counter)
: "cc");
}
@@ -287,8 +287,8 @@ static __inline__ void atomic64_sub(long a, atomic64_t *v)
subf %0,%2,%0\n\
stdcx. %0,0,%3 \n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (a), "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (a), "r" (&v->counter)
: "cc");
}
@@ -319,8 +319,8 @@ static __inline__ void atomic64_inc(atomic64_t *v)
addic %0,%0,1\n\
stdcx. %0,0,%2 \n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (&v->counter)
: "cc");
}
@@ -361,8 +361,8 @@ static __inline__ void atomic64_dec(atomic64_t *v)
addic %0,%0,-1\n\
stdcx. %0,0,%2\n\
bne- 1b"
- : "=&r" (t), "=m" (v->counter)
- : "r" (&v->counter), "m" (v->counter)
+ : "=&r" (t), "+m" (v->counter)
+ : "r" (&v->counter)
: "cc");
}