#include "compiler.h"
#include "glheader.h"
#include "errors.h"
+#include "util/bitscan.h"
#ifdef __cplusplus
extern "C" {
/**
* Sometimes we treat GLfloats as GLints. On x86 systems, moving a float
- * as a int (thereby using integer registers instead of FP registers) is
+ * as an int (thereby using integer registers instead of FP registers) is
* a performance win. Typically, this can be done with ordinary casts.
* But with gcc's -fstrict-aliasing flag (which defaults to on in gcc 3.0)
* these casts generate warnings.
_mesa_exec_free( void *addr );
-#ifndef FFS_DEFINED
-#define FFS_DEFINED 1
-#ifdef HAVE___BUILTIN_FFS
-#define ffs __builtin_ffs
-#else
-extern int ffs(int i);
-#endif
-
-#ifdef HAVE___BUILTIN_FFSLL
-#define ffsll __builtin_ffsll
-#else
-extern int ffsll(long long int i);
-#endif
-#endif /* FFS_DEFINED */
-
-
#ifdef HAVE___BUILTIN_POPCOUNT
#define _mesa_bitcount(i) __builtin_popcount(i)
#else
_mesa_bitcount_64(uint64_t n);
#endif
-/**
- * Find the last (most significant) bit set in a word.
- *
- * Essentially ffs() in the reverse direction.
- */
-static inline unsigned int
-_mesa_fls(unsigned int n)
-{
-#ifdef HAVE___BUILTIN_CLZ
- return n == 0 ? 0 : 32 - __builtin_clz(n);
-#else
- unsigned int v = 1;
-
- if (n == 0)
- return 0;
-
- while (n >>= 1)
- v++;
-
- return v;
-#endif
-}
-
-/**
- * Find the last (most significant) bit set in a uint64_t value.
- *
- * Essentially ffsll() in the reverse direction.
- */
-static inline unsigned int
-_mesa_flsll(uint64_t n)
-{
-#ifdef HAVE___BUILTIN_CLZLL
- return n == 0 ? 0 : 64 - __builtin_clzll(n);
-#else
- unsigned int v = 1;
-
- if (n == 0)
- return 0;
-
- while (n >>= 1)
- v++;
-
- return v;
-#endif
-}
static inline bool
_mesa_half_is_negative(GLhalfARB h)
return h & 0x8000;
}
-extern unsigned int
-_mesa_str_checksum(const char *str);
-
extern int
_mesa_snprintf( char *str, size_t size, const char *fmt, ... ) PRINTFLIKE(3, 4);