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

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2017-01-15 13:56:26 +01:00
parent 6ae6b8eb70
commit 621c66c588
1 changed files with 4 additions and 1 deletions
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5
conf.h
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@ -43,7 +43,6 @@
static inline int __bsr32( int x) { asm("bsr %1,%0" : "=r" (x) : "rm" (x) ); return x; }
static inline int bsr32( int x) { int b = -1; asm("bsrl %1,%0" : "+r" (b) : "rm" (x) ); return b + 1; }
static inline int bsr64(unsigned long long x) { return x?64 - __builtin_clzll(x):0; }
#define bsr16(_x_) bsr32(_x_)
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; }
@ -102,7 +101,11 @@ static inline int ctz32(unsigned x) { unsigned z = 0; _BitScanRev
#define strncasecmp _strnicmp
#endif
#define bsr8(_x_) bsr32(_x_)
#define bsr16(_x_) bsr32(_x_)
#define ctz8(_x_) ctz32(_x_)
#define ctz16(_x_) ctz32(_x_)
#define clz8(_x_) (clz32(_x_)-8)
#define clz16(_x_) (clz32(_x_)-16)
//--------------- Unaligned memory access -------------------------------------