lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

power: improve inline asm memory constraints

Browse Source 
Use "+m" rather than a combination of "=m" and "m" for improved
clarity and consistency.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Linus Torvalds
2006-07-08 15:00:28 -07:00
parent a496e25dfb
commit e2a3d40258
3 changed files with 32 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
include/asm-powerpc/atomic.h
View File

@ -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");
}