Commit c2db984b by Vicent Marti

tsort: Remove unused CLZ methods

parent 0448310f
...@@ -16,25 +16,6 @@ ...@@ -16,25 +16,6 @@
# define MIN(x,y) (((x) < (y) ? (x) : (y))) # define MIN(x,y) (((x) < (y) ? (x) : (y)))
#endif #endif
#if defined(__GNUC__)
# define CLZ(x) __builtin_clz(x)
#elif defined(_MSC_VER)
# define CLZ(x) _CountLeadingZeros(x)
#else
int CLZ(int32_t x)
{
int e = 31;
if (!x) return 32;
if (x&0xFFFF0000) { e -=16; x >>=16; }
if (x&0x0000FF00) { e -= 8; x >>= 8; }
if (x&0x000000F0) { e -= 4; x >>= 4; }
if (x&0x0000000C) { e -= 2; x >>= 2; }
if (x&0x00000002) { e -= 1; }
return e;
}
#endif
typedef int (*cmp_ptr_t)(const void *, const void *); typedef int (*cmp_ptr_t)(const void *, const void *);
static int binsearch(void **dst, const void *x, size_t size, cmp_ptr_t cmp) static int binsearch(void **dst, const void *x, size_t size, cmp_ptr_t cmp)
......
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