diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 17:52:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 17:52:36 -0700 |
| commit | 050335db2a777ffaa859d77beb05fffe9e8c5ae9 (patch) | |
| tree | 6f1fb3e3477de613b4adac8c46bd6e86301ed8ae /include/asm-arm/byteorder.h | |
| parent | a4cfae13cef6a700a04b13ba1d819c0641b1b26f (diff) | |
| parent | 905f14672e6d0552bfde954d5f7adb5f2c7a7960 (diff) | |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (42 commits)
[ARM] Fix tosa build error
[ARM] 3610/1: Make reboot work on Versatile
[ARM] 3609/1: S3C24XX: defconfig update for s3c2410_defconfig
[ARM] 3591/1: Anubis: IDE device definitions
[ARM] Include asm/hardware.h not asm/arch/hardware.h
[ARM] 3594/1: Poodle: Add touchscreen support + other updates
[ARM] 3564/1: sharpsl_pm: Abstract some machine specific parameters
[ARM] 3561/1: Poodle: Correct the MMC/SD power control
[ARM] 3593/1: Add reboot and shutdown handlers for Zaurus handhelds
[ARM] 3599/1: AT91RM9200 remove global variables
[ARM] 3607/1: AT91RM9200 misc fixes
[ARM] 3605/1: AT91RM9200 Power Management
[ARM] 3604/1: AT91RM9200 New boards
[ARM] 3603/1: AT91RM9200 remove old files
[ARM] 3592/1: AT91RM9200 Serial driver update
[ARM] 3590/1: AT91RM9200 Platform devices support
[ARM] 3589/1: AT91RM9200 DK/EK board update
[ARM] 3588/1: AT91RM9200 CSB337/637 board update
[ARM] 3587/1: AT91RM9200 hardware headers
[ARM] 3586/1: AT91RM9200 header update
...
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 17eaf8bdf09..e6f7fcdc73b 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) { __u32 t; - if (__builtin_constant_p(x)) { - t = x ^ ((x << 16) | (x >> 16)); /* eor r1,r0,r0,ror #16 */ - } else { +#ifndef __thumb__ + if (!__builtin_constant_p(x)) { /* * The compiler needs a bit of a hint here to always do the * right thing and not screw it up to different degrees * depending on the gcc version. */ asm ("eor\t%0, %1, %1, ror #16" : "=r" (t) : "r" (x)); - } + } else +#endif + t = x ^ ((x << 16) | (x >> 16)); /* eor r1,r0,r0,ror #16 */ + x = (x << 24) | (x >> 8); /* mov r0,r0,ror #8 */ t &= ~0x00FF0000; /* bic r1,r1,#0x00FF0000 */ x ^= (t >> 8); /* eor r0,r0,r1,lsr #8 */ |