simpler ByteReverse

diff --git a/src/util.h b/src/util.h
index 14853a0..c05143b 100644 (file)
--- a/src/util.h
+++ b/src/util.h
@@ -726,29 +726,10 @@ inline bool AffinityBugWorkaround(void(*pfn)(void*))
     return false;
 }
 
-template <class T> inline T rotlFixed(T x, unsigned int y)
-{
-       assert(y < sizeof(T)*8);
-       return T((x<<y) | (x>>(sizeof(T)*8-y)));
-}
-
-template <class T> inline T rotrFixed(T x, unsigned int y)
-{
-       assert(y < sizeof(T)*8);
-       return T((x>>y) | (x<<(sizeof(T)*8-y)));
-}
-
 inline uint32_t ByteReverse(uint32_t value)
 {
-#if defined(__MWERKS__) && TARGET_CPU_PPC
-       return (uint32_t)__lwbrx(&value,0);
-#elif _MSC_VER >= 1400 || (_MSC_VER >= 1300 && !defined(_DLL))
-       return _byteswap_ulong(value);
-#else
-       // 6 instructions with rotate instruction, 8 without
        value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8);
-       return rotlFixed(value, 16U);
-#endif
+       return (value<<16) | (value>>16);
 }
 
 #endif