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authorbunnei <ericbunnie@gmail.com>2014-04-28 03:49:50 +0200
committerbunnei <ericbunnie@gmail.com>2014-04-28 03:49:50 +0200
commit81cb80997ac3e0867c954cedcf3b43e7096d35d0 (patch)
tree37e0a69ed003880a5549f3ec81de9634d9752447 /src/common/common.h
parentfix for issue Linux build #9, not sure why this is broken but its unused code I'm just getting rid of it (diff)
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Diffstat (limited to '')
-rw-r--r--src/common/common.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/common/common.h b/src/common/common.h
index 418757855..58de0c7d9 100644
--- a/src/common/common.h
+++ b/src/common/common.h
@@ -159,4 +159,48 @@ enum EMUSTATE_CHANGE
EMUSTATE_CHANGE_STOP
};
+
+#ifdef _MSC_VER
+#ifndef _XBOX
+inline unsigned long long bswap64(unsigned long long x) { return _byteswap_uint64(x); }
+inline unsigned int bswap32(unsigned int x) { return _byteswap_ulong(x); }
+inline unsigned short bswap16(unsigned short x) { return _byteswap_ushort(x); }
+#else
+inline unsigned long long bswap64(unsigned long long x) { return __loaddoublewordbytereverse(0, &x); }
+inline unsigned int bswap32(unsigned int x) { return __loadwordbytereverse(0, &x); }
+inline unsigned short bswap16(unsigned short x) { return __loadshortbytereverse(0, &x); }
+#endif
+#else
+// TODO: speedup
+inline unsigned short bswap16(unsigned short x) { return (x << 8) | (x >> 8); }
+inline unsigned int bswap32(unsigned int x) { return (x >> 24) | ((x & 0xFF0000) >> 8) | ((x & 0xFF00) << 8) | (x << 24);}
+inline unsigned long long bswap64(unsigned long long x) {return ((unsigned long long)bswap32(x) << 32) | bswap32(x >> 32); }
+#endif
+
+inline float bswapf(float f) {
+ union {
+ float f;
+ unsigned int u32;
+ } dat1, dat2;
+
+ dat1.f = f;
+ dat2.u32 = bswap32(dat1.u32);
+
+ return dat2.f;
+}
+
+inline double bswapd(double f) {
+ union {
+ double f;
+ unsigned long long u64;
+ } dat1, dat2;
+
+ dat1.f = f;
+ dat2.u64 = bswap64(dat1.u64);
+
+ return dat2.f;
+}
+
+#include "swap.h"
+
#endif // _COMMON_H_