-
/*
* Mesa 3-D graphics library
- * Version: 3.5
+ * Version: 6.1
*
- * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#define __M_DEBUG_UTIL_H__
-#ifdef DEBUG /* This code only used for debugging */
+#ifdef DEBUG_MATH /* This code only used for debugging */
/* Comment this out to deactivate the cycle counter.
#endif
+#elif defined(__x86_64__)
+
+#define rdtscll(val) do { \
+ unsigned int a,d; \
+ __asm__ volatile("rdtsc" : "=a" (a), "=d" (d)); \
+ (val) = ((unsigned long)a) | (((unsigned long)d)<<32); \
+} while(0)
+
+/* Copied from i386 PIII version */
+#define INIT_COUNTER() \
+ do { \
+ int cycle_i; \
+ counter_overhead = LONG_MAX; \
+ for ( cycle_i = 0 ; cycle_i < 16 ; cycle_i++ ) { \
+ unsigned long cycle_tmp1, cycle_tmp2; \
+ rdtscll(cycle_tmp1); \
+ rdtscll(cycle_tmp2); \
+ if ( counter_overhead > (cycle_tmp2 - cycle_tmp1) ) { \
+ counter_overhead = cycle_tmp2 - cycle_tmp1; \
+ } \
+ } \
+ } while (0)
+
+
+#define BEGIN_RACE(x) \
+ x = LONG_MAX; \
+ for ( cycle_i = 0 ; cycle_i < 10 ; cycle_i++ ) { \
+ unsigned long cycle_tmp1, cycle_tmp2; \
+ rdtscll(cycle_tmp1); \
+
+#define END_RACE(x) \
+ rdtscll(cycle_tmp2); \
+ if ( x > (cycle_tmp2 - cycle_tmp1) ) { \
+ x = cycle_tmp2 - cycle_tmp1; \
+ } \
+ } \
+ x -= counter_overhead;
+
#elif defined(__sparc__)
#define INIT_COUNTER() \
return 0;
}
- frexp( a, &a_ex );
- frexp( b, &b_ex );
- frexp( d, &d_ex );
+ FREXPF( a, &a_ex );
+ FREXPF( b, &b_ex );
+ FREXPF( d, &d_ex );
if ( a_ex < b_ex ) {
return a_ex - d_ex;
/* Ensure our arrays are correctly aligned.
*/
#if defined(__GNUC__)
-# define ALIGN16 type array __attribute__ ((aligned (16)))
+# define ALIGN16(type, array) type array __attribute__ ((aligned (16)))
#elif defined(__MSC__)
-# define ALIGN16 type array __declspec(align(16)) /* GH: Does this work? */
+# define ALIGN16(type, array) type array __declspec(align(16)) /* GH: Does this work? */
#elif defined(__WATCOMC__)
-# define ALIGN16 /* Watcom does not support this */
+# define ALIGN16(type, array) /* Watcom does not support this */
#elif defined(__xlC__)
# define ALIGN16(type, array) type __align (16) array
#else
#endif
-#endif /* DEBUG */
+#endif /* DEBUG_MATH */
#endif /* __M_DEBUG_UTIL_H__ */