diff options
| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-04-27 16:10:16 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-04-27 16:10:16 +0000 |
| commit | b0aba4c46b14204f7de6471512136de7003877c4 (patch) | |
| tree | c3128754275e49fb155f41a327d5938385395cb8 /c/src/exec/score/cpu/sh | |
| parent | Fixed spelling errors. (diff) | |
| download | rtems-b0aba4c46b14204f7de6471512136de7003877c4.tar.bz2 | |
Added swap of unsigned16
Diffstat (limited to 'c/src/exec/score/cpu/sh')
| -rw-r--r-- | c/src/exec/score/cpu/sh/sh.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/c/src/exec/score/cpu/sh/sh.h b/c/src/exec/score/cpu/sh/sh.h index 1561732c33..b6491128ed 100644 --- a/c/src/exec/score/cpu/sh/sh.h +++ b/c/src/exec/score/cpu/sh/sh.h @@ -134,7 +134,19 @@ static inline unsigned int sh_swap_u32( return( swapped ); } +static inline unsigned int sh_swap_u32( + unsigned int value +) +{ + register unsigned int swapped ; + + asm volatile ( "swap.b %1,%0 : "=r" (swapped) : "r" (value) ); + + return( swapped ); +} + #define CPU_swap_u32( value ) sh_swap_u32( value ) +#define CPU_swap_u16( value ) sh_swap_u16( value ) /* * Simple spin delay in microsecond units for device drivers. |