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author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-24 08:41:41 -0400 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-06-24 13:07:53 -0400 |
commit | 816724e65c72a90a44fbad0ef0b59b186c85fa90 (patch) | |
tree | 421fa29aedff988e392f92780637553e275d37a0 /include/asm-arm/byteorder.h | |
parent | 70ac4385a13f78bc478f26d317511893741b05bd (diff) | |
parent | d384ea691fe4ea8c2dd5b9b8d9042eb181776f18 (diff) |
Merge branch 'master' of /home/trondmy/kernel/linux-2.6/
Conflicts:
fs/nfs/inode.c
fs/super.c
Fix conflicts between patch 'NFS: Split fs/nfs/inode.c' and patch
'VFS: Permit filesystem to override root dentry on mount'
Diffstat (limited to 'include/asm-arm/byteorder.h')
-rw-r--r-- | include/asm-arm/byteorder.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/asm-arm/byteorder.h b/include/asm-arm/byteorder.h index 17eaf8bdf092..e6f7fcdc73b0 100644 --- a/include/asm-arm/byteorder.h +++ b/include/asm-arm/byteorder.h | |||
@@ -22,16 +22,18 @@ static inline __attribute_const__ __u32 ___arch__swab32(__u32 x) | |||
22 | { | 22 | { |
23 | __u32 t; | 23 | __u32 t; |
24 | 24 | ||
25 | if (__builtin_constant_p(x)) { | 25 | #ifndef __thumb__ |
26 | t = x ^ ((x << 16) | (x >> 16)); /* eor r1,r0,r0,ror #16 */ | 26 | if (!__builtin_constant_p(x)) { |
27 | } else { | ||
28 | /* | 27 | /* |
29 | * The compiler needs a bit of a hint here to always do the | 28 | * The compiler needs a bit of a hint here to always do the |
30 | * right thing and not screw it up to different degrees | 29 | * right thing and not screw it up to different degrees |
31 | * depending on the gcc version. | 30 | * depending on the gcc version. |
32 | */ | 31 | */ |
33 | asm ("eor\t%0, %1, %1, ror #16" : "=r" (t) : "r" (x)); | 32 | asm ("eor\t%0, %1, %1, ror #16" : "=r" (t) : "r" (x)); |
34 | } | 33 | } else |
34 | #endif | ||
35 | t = x ^ ((x << 16) | (x >> 16)); /* eor r1,r0,r0,ror #16 */ | ||
36 | |||
35 | x = (x << 24) | (x >> 8); /* mov r0,r0,ror #8 */ | 37 | x = (x << 24) | (x >> 8); /* mov r0,r0,ror #8 */ |
36 | t &= ~0x00FF0000; /* bic r1,r1,#0x00FF0000 */ | 38 | t &= ~0x00FF0000; /* bic r1,r1,#0x00FF0000 */ |
37 | x ^= (t >> 8); /* eor r0,r0,r1,lsr #8 */ | 39 | x ^= (t >> 8); /* eor r0,r0,r1,lsr #8 */ |