1*f6dc9357SAndroid Build Coastguard Worker /* RotateDefs.h -- Rotate functions 2*f6dc9357SAndroid Build Coastguard Worker 2023-06-18 : Igor Pavlov : Public domain */ 3*f6dc9357SAndroid Build Coastguard Worker 4*f6dc9357SAndroid Build Coastguard Worker #ifndef ZIP7_INC_ROTATE_DEFS_H 5*f6dc9357SAndroid Build Coastguard Worker #define ZIP7_INC_ROTATE_DEFS_H 6*f6dc9357SAndroid Build Coastguard Worker 7*f6dc9357SAndroid Build Coastguard Worker #ifdef _MSC_VER 8*f6dc9357SAndroid Build Coastguard Worker 9*f6dc9357SAndroid Build Coastguard Worker #include <stdlib.h> 10*f6dc9357SAndroid Build Coastguard Worker 11*f6dc9357SAndroid Build Coastguard Worker /* don't use _rotl with old MINGW. It can insert slow call to function. */ 12*f6dc9357SAndroid Build Coastguard Worker 13*f6dc9357SAndroid Build Coastguard Worker /* #if (_MSC_VER >= 1200) */ 14*f6dc9357SAndroid Build Coastguard Worker #pragma intrinsic(_rotl) 15*f6dc9357SAndroid Build Coastguard Worker #pragma intrinsic(_rotr) 16*f6dc9357SAndroid Build Coastguard Worker /* #endif */ 17*f6dc9357SAndroid Build Coastguard Worker 18*f6dc9357SAndroid Build Coastguard Worker #define rotlFixed(x, n) _rotl((x), (n)) 19*f6dc9357SAndroid Build Coastguard Worker #define rotrFixed(x, n) _rotr((x), (n)) 20*f6dc9357SAndroid Build Coastguard Worker 21*f6dc9357SAndroid Build Coastguard Worker #if (_MSC_VER >= 1300) 22*f6dc9357SAndroid Build Coastguard Worker #define Z7_ROTL64(x, n) _rotl64((x), (n)) 23*f6dc9357SAndroid Build Coastguard Worker #define Z7_ROTR64(x, n) _rotr64((x), (n)) 24*f6dc9357SAndroid Build Coastguard Worker #else 25*f6dc9357SAndroid Build Coastguard Worker #define Z7_ROTL64(x, n) (((x) << (n)) | ((x) >> (64 - (n)))) 26*f6dc9357SAndroid Build Coastguard Worker #define Z7_ROTR64(x, n) (((x) >> (n)) | ((x) << (64 - (n)))) 27*f6dc9357SAndroid Build Coastguard Worker #endif 28*f6dc9357SAndroid Build Coastguard Worker 29*f6dc9357SAndroid Build Coastguard Worker #else 30*f6dc9357SAndroid Build Coastguard Worker 31*f6dc9357SAndroid Build Coastguard Worker /* new compilers can translate these macros to fast commands. */ 32*f6dc9357SAndroid Build Coastguard Worker 33*f6dc9357SAndroid Build Coastguard Worker #if defined(__clang__) && (__clang_major__ >= 4) \ 34*f6dc9357SAndroid Build Coastguard Worker || defined(__GNUC__) && (__GNUC__ >= 5) 35*f6dc9357SAndroid Build Coastguard Worker /* GCC 4.9.0 and clang 3.5 can recognize more correct version: */ 36*f6dc9357SAndroid Build Coastguard Worker #define rotlFixed(x, n) (((x) << (n)) | ((x) >> (-(n) & 31))) 37*f6dc9357SAndroid Build Coastguard Worker #define rotrFixed(x, n) (((x) >> (n)) | ((x) << (-(n) & 31))) 38*f6dc9357SAndroid Build Coastguard Worker #define Z7_ROTL64(x, n) (((x) << (n)) | ((x) >> (-(n) & 63))) 39*f6dc9357SAndroid Build Coastguard Worker #define Z7_ROTR64(x, n) (((x) >> (n)) | ((x) << (-(n) & 63))) 40*f6dc9357SAndroid Build Coastguard Worker #else 41*f6dc9357SAndroid Build Coastguard Worker /* for old GCC / clang: */ 42*f6dc9357SAndroid Build Coastguard Worker #define rotlFixed(x, n) (((x) << (n)) | ((x) >> (32 - (n)))) 43*f6dc9357SAndroid Build Coastguard Worker #define rotrFixed(x, n) (((x) >> (n)) | ((x) << (32 - (n)))) 44*f6dc9357SAndroid Build Coastguard Worker #define Z7_ROTL64(x, n) (((x) << (n)) | ((x) >> (64 - (n)))) 45*f6dc9357SAndroid Build Coastguard Worker #define Z7_ROTR64(x, n) (((x) >> (n)) | ((x) << (64 - (n)))) 46*f6dc9357SAndroid Build Coastguard Worker #endif 47*f6dc9357SAndroid Build Coastguard Worker 48*f6dc9357SAndroid Build Coastguard Worker #endif 49*f6dc9357SAndroid Build Coastguard Worker 50*f6dc9357SAndroid Build Coastguard Worker #endif 51