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/bitops.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/bitops.h')
-rw-r--r-- | include/asm-powerpc/bitops.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/include/asm-powerpc/bitops.h b/include/asm-powerpc/bitops.h index 76e2f08c3c83..c341063d0804 100644 --- a/include/asm-powerpc/bitops.h +++ b/include/asm-powerpc/bitops.h | |||
@@ -65,8 +65,8 @@ static __inline__ void set_bit(int nr, volatile unsigned long *addr) | |||
65 | PPC405_ERR77(0,%3) | 65 | PPC405_ERR77(0,%3) |
66 | PPC_STLCX "%0,0,%3\n" | 66 | PPC_STLCX "%0,0,%3\n" |
67 | "bne- 1b" | 67 | "bne- 1b" |
68 | : "=&r"(old), "=m"(*p) | 68 | : "=&r" (old), "+m" (*p) |
69 | : "r"(mask), "r"(p), "m"(*p) | 69 | : "r" (mask), "r" (p) |
70 | : "cc" ); | 70 | : "cc" ); |
71 | } | 71 | } |
72 | 72 | ||
@@ -82,8 +82,8 @@ static __inline__ void clear_bit(int nr, volatile unsigned long *addr) | |||
82 | PPC405_ERR77(0,%3) | 82 | PPC405_ERR77(0,%3) |
83 | PPC_STLCX "%0,0,%3\n" | 83 | PPC_STLCX "%0,0,%3\n" |
84 | "bne- 1b" | 84 | "bne- 1b" |
85 | : "=&r"(old), "=m"(*p) | 85 | : "=&r" (old), "+m" (*p) |
86 | : "r"(mask), "r"(p), "m"(*p) | 86 | : "r" (mask), "r" (p) |
87 | : "cc" ); | 87 | : "cc" ); |
88 | } | 88 | } |
89 | 89 | ||
@@ -99,8 +99,8 @@ static __inline__ void change_bit(int nr, volatile unsigned long *addr) | |||
99 | PPC405_ERR77(0,%3) | 99 | PPC405_ERR77(0,%3) |
100 | PPC_STLCX "%0,0,%3\n" | 100 | PPC_STLCX "%0,0,%3\n" |
101 | "bne- 1b" | 101 | "bne- 1b" |
102 | : "=&r"(old), "=m"(*p) | 102 | : "=&r" (old), "+m" (*p) |
103 | : "r"(mask), "r"(p), "m"(*p) | 103 | : "r" (mask), "r" (p) |
104 | : "cc" ); | 104 | : "cc" ); |
105 | } | 105 | } |
106 | 106 | ||
@@ -179,8 +179,8 @@ static __inline__ void set_bits(unsigned long mask, unsigned long *addr) | |||
179 | "or %0,%0,%2\n" | 179 | "or %0,%0,%2\n" |
180 | PPC_STLCX "%0,0,%3\n" | 180 | PPC_STLCX "%0,0,%3\n" |
181 | "bne- 1b" | 181 | "bne- 1b" |
182 | : "=&r" (old), "=m" (*addr) | 182 | : "=&r" (old), "+m" (*addr) |
183 | : "r" (mask), "r" (addr), "m" (*addr) | 183 | : "r" (mask), "r" (addr) |
184 | : "cc"); | 184 | : "cc"); |
185 | } | 185 | } |
186 | 186 | ||