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Merge pull request #710 from lioncash/unused

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common/common_funcs: Remove unused rotation functions
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bunnei 2018-07-19 11:43:41 -07:00 committed by GitHub
commit d6c7a05239
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1 changed files with 0 additions and 38 deletions
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38
src/common/common_funcs.h
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@ -38,40 +38,6 @@
#define Crash() exit(1) #define Crash() exit(1)
#endif #endif
// GCC 4.8 defines all the rotate functions now
// Small issue with GCC's lrotl/lrotr intrinsics is they are still 32bit while we require 64bit
#ifdef _rotl
#define rotl _rotl
#else
inline u32 rotl(u32 x, int shift) {
shift &= 31;
if (!shift)
return x;
return (x << shift) | (x >> (32 - shift));
}
#endif
#ifdef _rotr
#define rotr _rotr
#else
inline u32 rotr(u32 x, int shift) {
shift &= 31;
if (!shift)
return x;
return (x >> shift) | (x << (32 - shift));
}
#endif
inline u64 _rotl64(u64 x, unsigned int shift) {
unsigned int n = shift % 64;
return (x << n) | (x >> (64 - n));
}
inline u64 _rotr64(u64 x, unsigned int shift) {
unsigned int n = shift % 64;
return (x >> n) | (x << (64 - n));
}
#else // _MSC_VER #else // _MSC_VER
// Locale Cross-Compatibility // Locale Cross-Compatibility
@ -82,10 +48,6 @@ __declspec(dllimport) void __stdcall DebugBreak(void);
} }
#define Crash() DebugBreak() #define Crash() DebugBreak()
// cstdlib provides these on MSVC
#define rotr _rotr
#define rotl _rotl
#endif // _MSC_VER ndef #endif // _MSC_VER ndef
// Generic function to get last error message. // Generic function to get last error message.