hcq/TurboPFor-Integer-Compression
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TurboPFor: Config/Platform

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2017-03-19 13:20:19 +01:00
parent db6fa35138
commit b37e4ef2a2
1 changed files with 7 additions and 2 deletions
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9
conf.h
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@ -46,7 +46,8 @@ static inline int bsr64(unsigned long long x) { return x?64 - __builtin_clz
static inline unsigned rol32(unsigned x, int s) { asm ("roll %%cl,%0" :"=r" (x) :"0" (x),"c" (s)); return x; }
static inline unsigned ror32(unsigned x, int s) { asm ("rorl %%cl,%0" :"=r" (x) :"0" (x),"c" (s)); return x; }
static inline unsigned long long rol64(unsigned long long x, int s) { asm ("rolq %%cl,%0" :"=r" (x) :"0" (x),"c" (s)); return x; }
static inline unsigned long long ror64(unsigned long long x, int s) { asm ("rorq %%cl,%0" :"=r" (x) :"0" (x),"c" (s)); return x; }
#else
static inline int __bsr32(unsigned x ) { return 31 - __builtin_clz( x); }
static inline int bsr32(int x ) { return x?32 - __builtin_clz( x):0; }
@ -54,6 +55,8 @@ static inline int bsr64(unsigned long long x) { return x?64 - __builtin_clz
static inline unsigned rol32(unsigned x, int s) { return x << s | x >> (32 - s); }
static inline unsigned ror32(unsigned x, int s) { return x >> s | x << (32 - s); }
static inline unsigned rol64(unsigned x, int s) { return x << s | x >> (64 - s); }
static inline unsigned ror64(unsigned x, int s) { return x >> s | x << (64 - s); }
#endif
#define ctz64(_x_) __builtin_ctzll(_x_)
@ -177,7 +180,9 @@ static inline unsigned long long ctou64(const void *cp) { unsigned long long x;
#endif
#endif
//---------------------misc ---------------------------------------------------
//---------------------misc ---------------------------------------------------
//#define C64(x) x##ull
#define SIZE_ROUNDUP(_n_, _a_) (((size_t)(_n_) + (size_t)((_a_) - 1)) & ~(size_t)((_a_) - 1))
#ifndef min
#define min(x,y) (((x)<(y)) ? (x) : (y))