Viewing file:  rldicx.h (1.33 KB) -rw-r--r--
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typedef unsigned int u32;
typedef unsigned long long u64;
static inline u64 rot(u64 x, u32 n, u32 mb, u32 me)
{
u64 y = x;
if (n)
x = 0
#ifdef SL
| (x << n)
#endif
#ifdef SR
| (x >> (64 - n))
#endif
;
u64 s = -1;
if (n)
s = 0
#ifdef SL
| (s << n)
#endif
#ifdef SR
| (s >> (64 - n))
#endif
;
u64 mask = 0;
mask += 1ULL << (63 - mb);
mask += 1ULL << (63 - mb);
mask -= 1ULL << (63 - me);
mask -= (mb > me);
if (mask & ~s)
return 12345*y;
return x & mask;
}
#ifdef CC
#define X2(N,B) \
u64 f_##N##_##B(u64 x) { return rot(x,N,B,63-N); }
#endif
#ifdef CL
#define X2(N,B) \
u64 f_##N##_##B(u64 x) { return rot(x,N,B,63); }
#endif
#ifdef CR
#define X2(N,E) \
u64 f_##N##_##E(u64 x) { return rot(x,N,0,E); }
#endif
#define X1(N) \
X2(N,0) \
X2(N,1) \
X2(N,2) \
X2(N,7) \
X2(N,8) \
X2(N,9) \
X2(N,15) \
X2(N,16) \
X2(N,17) \
X2(N,23) \
X2(N,24) \
X2(N,25) \
X2(N,29) \
X2(N,30) \
X2(N,31) \
X2(N,32) \
X2(N,33) \
X2(N,34) \
X2(N,39) \
X2(N,40) \
X2(N,41) \
X2(N,47) \
X2(N,48) \
X2(N,49) \
X2(N,55) \
X2(N,56) \
X2(N,57) \
X2(N,61) \
X2(N,62) \
X2(N,63)
#define X() \
X1(0) \
X1(1) \
X1(2) \
X1(7) \
X1(8) \
X1(9) \
X1(15) \
X1(16) \
X1(17) \
X1(23) \
X1(24) \
X1(25) \
X1(29) \
X1(30) \
X1(31) \
X1(32) \
X1(33) \
X1(34) \
X1(39) \
X1(40) \
X1(41) \
X1(47) \
X1(48) \
X1(49) \
X1(55) \
X1(56) \
X1(57) \
X1(61) \
X1(62) \
X1(63)
X()
|
