mirror of
https://github.com/RPCS3/rpcs3.git
synced 2024-11-23 03:02:53 +01:00
31 lines
656 B
C
31 lines
656 B
C
/* RotateDefs.h -- Rotate functions
|
|
2015-03-25 : Igor Pavlov : Public domain */
|
|
|
|
#ifndef __ROTATE_DEFS_H
|
|
#define __ROTATE_DEFS_H
|
|
|
|
#ifdef _MSC_VER
|
|
|
|
#include <stdlib.h>
|
|
|
|
/* don't use _rotl with MINGW. It can insert slow call to function. */
|
|
|
|
/* #if (_MSC_VER >= 1200) */
|
|
#pragma intrinsic(_rotl)
|
|
#pragma intrinsic(_rotr)
|
|
/* #endif */
|
|
|
|
#define rotlFixed(x, n) _rotl((x), (n))
|
|
#define rotrFixed(x, n) _rotr((x), (n))
|
|
|
|
#else
|
|
|
|
/* new compilers can translate these macros to fast commands. */
|
|
|
|
#define rotlFixed(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
|
|
#define rotrFixed(x, n) (((x) >> (n)) | ((x) << (32 - (n))))
|
|
|
|
#endif
|
|
|
|
#endif
|