425 lines
14 KiB
C
425 lines
14 KiB
C
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/* fix for MSVC ...evil! */
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#ifdef _MSC_VER
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#define CONST64(n) n ## ui64
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typedef unsigned __int64 ulong64;
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#else
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#define CONST64(n) n ## ULL
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typedef unsigned long long ulong64;
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#endif
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/* this is the "32-bit at least" data type
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* Re-define it to suit your platform but it must be at least 32-bits
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*/
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#if defined(__x86_64__) || (defined(__sparc__) && defined(__arch64__))
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typedef unsigned ulong32;
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#else
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typedef unsigned long ulong32;
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#endif
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/* ---- HELPER MACROS ---- */
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#ifdef ENDIAN_NEUTRAL
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#define STORE32L(x, y) \
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{ (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \
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(y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
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#define LOAD32L(x, y) \
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{ x = ((unsigned long)((y)[3] & 255)<<24) | \
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((unsigned long)((y)[2] & 255)<<16) | \
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((unsigned long)((y)[1] & 255)<<8) | \
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((unsigned long)((y)[0] & 255)); }
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#define STORE64L(x, y) \
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{ (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255); \
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(y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255); \
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(y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \
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(y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
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#define LOAD64L(x, y) \
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{ x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \
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(((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \
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(((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \
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(((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }
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#define STORE32H(x, y) \
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{ (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255); \
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(y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); }
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#define LOAD32H(x, y) \
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{ x = ((unsigned long)((y)[0] & 255)<<24) | \
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((unsigned long)((y)[1] & 255)<<16) | \
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((unsigned long)((y)[2] & 255)<<8) | \
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((unsigned long)((y)[3] & 255)); }
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#define STORE64H(x, y) \
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{ (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \
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(y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \
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(y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \
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(y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }
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#define LOAD64H(x, y) \
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{ x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \
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(((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \
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(((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \
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(((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); }
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#endif /* ENDIAN_NEUTRAL */
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#ifdef ENDIAN_LITTLE
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#if !defined(LTC_NO_BSWAP) && (defined(INTEL_CC) || (defined(__GNUC__) && (defined(__DJGPP__) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__i386__) || defined(__x86_64__))))
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#define STORE32H(x, y) \
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asm __volatile__ ( \
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"bswapl %0 \n\t" \
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"movl %0,(%1)\n\t" \
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"bswapl %0 \n\t" \
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::"r"(x), "r"(y));
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#define LOAD32H(x, y) \
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asm __volatile__ ( \
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"movl (%1),%0\n\t" \
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"bswapl %0\n\t" \
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:"=r"(x): "r"(y));
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#else
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#define STORE32H(x, y) \
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{ (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255); \
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(y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); }
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#define LOAD32H(x, y) \
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{ x = ((unsigned long)((y)[0] & 255)<<24) | \
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((unsigned long)((y)[1] & 255)<<16) | \
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((unsigned long)((y)[2] & 255)<<8) | \
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((unsigned long)((y)[3] & 255)); }
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#endif
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/* x86_64 processor */
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#if !defined(LTC_NO_BSWAP) && (defined(__GNUC__) && defined(__x86_64__))
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#define STORE64H(x, y) \
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asm __volatile__ ( \
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"bswapq %0 \n\t" \
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"movq %0,(%1)\n\t" \
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"bswapq %0 \n\t" \
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::"r"(x), "r"(y));
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#define LOAD64H(x, y) \
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asm __volatile__ ( \
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"movq (%1),%0\n\t" \
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"bswapq %0\n\t" \
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:"=r"(x): "r"(y));
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#else
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#define STORE64H(x, y) \
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{ (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \
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(y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \
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(y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \
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(y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }
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#define LOAD64H(x, y) \
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{ x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \
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(((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \
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(((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \
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(((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); }
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#endif
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#ifdef ENDIAN_32BITWORD
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#define STORE32L(x, y) \
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{ ulong32 __t = (x); XMEMCPY(y, &__t, 4); }
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#define LOAD32L(x, y) \
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XMEMCPY(&(x), y, 4);
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#define STORE64L(x, y) \
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{ (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255); \
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(y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255); \
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(y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \
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(y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
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#define LOAD64L(x, y) \
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{ x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \
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(((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \
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(((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \
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(((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }
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#else /* 64-bit words then */
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#define STORE32L(x, y) \
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{ ulong32 __t = (x); XMEMCPY(y, &__t, 4); }
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#define LOAD32L(x, y) \
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{ XMEMCPY(&(x), y, 4); x &= 0xFFFFFFFF; }
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#define STORE64L(x, y) \
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{ ulong64 __t = (x); XMEMCPY(y, &__t, 8); }
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#define LOAD64L(x, y) \
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{ XMEMCPY(&(x), y, 8); }
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#endif /* ENDIAN_64BITWORD */
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#endif /* ENDIAN_LITTLE */
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#ifdef ENDIAN_BIG
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#define STORE32L(x, y) \
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{ (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \
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(y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
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#define LOAD32L(x, y) \
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{ x = ((unsigned long)((y)[3] & 255)<<24) | \
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((unsigned long)((y)[2] & 255)<<16) | \
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((unsigned long)((y)[1] & 255)<<8) | \
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((unsigned long)((y)[0] & 255)); }
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#define STORE64L(x, y) \
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{ (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255); \
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(y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255); \
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(y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \
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(y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
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#define LOAD64L(x, y) \
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{ x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48) | \
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(((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32) | \
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(((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16) | \
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(((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }
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#ifdef ENDIAN_32BITWORD
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#define STORE32H(x, y) \
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{ ulong32 __t = (x); XMEMCPY(y, &__t, 4); }
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#define LOAD32H(x, y) \
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XMEMCPY(&(x), y, 4);
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#define STORE64H(x, y) \
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{ (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \
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(y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \
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(y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \
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(y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }
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#define LOAD64H(x, y) \
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{ x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48)| \
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(((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32)| \
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(((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16)| \
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(((ulong64)((y)[6] & 255))<<8)| (((ulong64)((y)[7] & 255))); }
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#else /* 64-bit words then */
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#define STORE32H(x, y) \
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{ ulong32 __t = (x); XMEMCPY(y, &__t, 4); }
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#define LOAD32H(x, y) \
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{ XMEMCPY(&(x), y, 4); x &= 0xFFFFFFFF; }
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#define STORE64H(x, y) \
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{ ulong64 __t = (x); XMEMCPY(y, &__t, 8); }
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#define LOAD64H(x, y) \
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{ XMEMCPY(&(x), y, 8); }
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#endif /* ENDIAN_64BITWORD */
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#endif /* ENDIAN_BIG */
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#define BSWAP(x) ( ((x>>24)&0x000000FFUL) | ((x<<24)&0xFF000000UL) | \
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((x>>8)&0x0000FF00UL) | ((x<<8)&0x00FF0000UL) )
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/* 32-bit Rotates */
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#if defined(_MSC_VER)
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/* instrinsic rotate */
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#include <stdlib.h>
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#pragma intrinsic(_lrotr,_lrotl)
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#define ROR(x,n) _lrotr(x,n)
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#define ROL(x,n) _lrotl(x,n)
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#define RORc(x,n) _lrotr(x,n)
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#define ROLc(x,n) _lrotl(x,n)
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#elif !defined(__STRICT_ANSI__) && defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && !defined(INTEL_CC) && !defined(LTC_NO_ASM)
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static inline unsigned ROL(unsigned word, int i)
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{
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asm ("roll %%cl,%0"
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:"=r" (word)
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:"0" (word),"c" (i));
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return word;
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}
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static inline unsigned ROR(unsigned word, int i)
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{
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asm ("rorl %%cl,%0"
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:"=r" (word)
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:"0" (word),"c" (i));
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return word;
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}
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#ifndef LTC_NO_ROLC
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static inline unsigned ROLc(unsigned word, const int i)
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{
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asm ("roll %2,%0"
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:"=r" (word)
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:"0" (word),"I" (i));
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return word;
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}
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static inline unsigned RORc(unsigned word, const int i)
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{
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asm ("rorl %2,%0"
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:"=r" (word)
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:"0" (word),"I" (i));
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return word;
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}
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#else
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#define ROLc ROL
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#define RORc ROR
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#endif
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#elif !defined(__STRICT_ANSI__) && defined(LTC_PPC32)
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static inline unsigned ROL(unsigned word, int i)
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{
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asm ("rotlw %0,%0,%2"
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:"=r" (word)
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:"0" (word),"r" (i));
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return word;
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}
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static inline unsigned ROR(unsigned word, int i)
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{
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asm ("rotlw %0,%0,%2"
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:"=r" (word)
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:"0" (word),"r" (32-i));
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return word;
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}
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#ifndef LTC_NO_ROLC
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|
|
||
|
|
static inline unsigned ROLc(unsigned word, const int i)
|
||
|
|
{
|
||
|
|
asm ("rotlwi %0,%0,%2"
|
||
|
|
:"=r" (word)
|
||
|
|
:"0" (word),"I" (i));
|
||
|
|
return word;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline unsigned RORc(unsigned word, const int i)
|
||
|
|
{
|
||
|
|
asm ("rotrwi %0,%0,%2"
|
||
|
|
:"=r" (word)
|
||
|
|
:"0" (word),"I" (i));
|
||
|
|
return word;
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
#define ROLc ROL
|
||
|
|
#define RORc ROR
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#else
|
||
|
|
|
||
|
|
/* rotates the hard way */
|
||
|
|
#define ROL(x, y) ( (((unsigned long)(x)<<(unsigned long)((y)&31)) | (((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
|
||
|
|
#define ROR(x, y) ( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | ((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
|
||
|
|
#define ROLc(x, y) ( (((unsigned long)(x)<<(unsigned long)((y)&31)) | (((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
|
||
|
|
#define RORc(x, y) ( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | ((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/* 64-bit Rotates */
|
||
|
|
#if !defined(__STRICT_ANSI__) && defined(__GNUC__) && defined(__x86_64__) && !defined(LTC_NO_ASM)
|
||
|
|
|
||
|
|
static inline unsigned long ROL64(unsigned long word, int i)
|
||
|
|
{
|
||
|
|
asm("rolq %%cl,%0"
|
||
|
|
:"=r" (word)
|
||
|
|
:"0" (word),"c" (i));
|
||
|
|
return word;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline unsigned long ROR64(unsigned long word, int i)
|
||
|
|
{
|
||
|
|
asm("rorq %%cl,%0"
|
||
|
|
:"=r" (word)
|
||
|
|
:"0" (word),"c" (i));
|
||
|
|
return word;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifndef LTC_NO_ROLC
|
||
|
|
|
||
|
|
static inline unsigned long ROL64c(unsigned long word, const int i)
|
||
|
|
{
|
||
|
|
asm("rolq %2,%0"
|
||
|
|
:"=r" (word)
|
||
|
|
:"0" (word),"J" (i));
|
||
|
|
return word;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline unsigned long ROR64c(unsigned long word, const int i)
|
||
|
|
{
|
||
|
|
asm("rorq %2,%0"
|
||
|
|
:"=r" (word)
|
||
|
|
:"0" (word),"J" (i));
|
||
|
|
return word;
|
||
|
|
}
|
||
|
|
|
||
|
|
#else /* LTC_NO_ROLC */
|
||
|
|
|
||
|
|
#define ROL64c ROL64
|
||
|
|
#define ROR64c ROR64
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#else /* Not x86_64 */
|
||
|
|
|
||
|
|
#define ROL64(x, y) \
|
||
|
|
( (((x)<<((ulong64)(y)&63)) | \
|
||
|
|
(((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)64-((y)&63)))) & CONST64(0xFFFFFFFFFFFFFFFF))
|
||
|
|
|
||
|
|
#define ROR64(x, y) \
|
||
|
|
( ((((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)(y)&CONST64(63))) | \
|
||
|
|
((x)<<((ulong64)(64-((y)&CONST64(63)))))) & CONST64(0xFFFFFFFFFFFFFFFF))
|
||
|
|
|
||
|
|
#define ROL64c(x, y) \
|
||
|
|
( (((x)<<((ulong64)(y)&63)) | \
|
||
|
|
(((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)64-((y)&63)))) & CONST64(0xFFFFFFFFFFFFFFFF))
|
||
|
|
|
||
|
|
#define ROR64c(x, y) \
|
||
|
|
( ((((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)(y)&CONST64(63))) | \
|
||
|
|
((x)<<((ulong64)(64-((y)&CONST64(63)))))) & CONST64(0xFFFFFFFFFFFFFFFF))
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef MAX
|
||
|
|
#define MAX(x, y) ( ((x)>(y))?(x):(y) )
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef MIN
|
||
|
|
#define MIN(x, y) ( ((x)<(y))?(x):(y) )
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* extract a byte portably */
|
||
|
|
#ifdef _MSC_VER
|
||
|
|
#define byte(x, n) ((unsigned char)((x) >> (8 * (n))))
|
||
|
|
#else
|
||
|
|
#define byte(x, n) (((x) >> (8 * (n))) & 255)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* $Source$ */
|
||
|
|
/* $Revision$ */
|
||
|
|
/* $Date$ */
|