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#ifndef _MATH_PRIVATE_H
#define math_opt_barrier(x) \
({ __typeof(x) __x; \
if (sizeof (x) <= sizeof (double)) \
__asm ("" : "=x" (__x) : "0" (x)); \
else \
__asm ("" : "=t" (__x) : "0" (x)); \
__x; })
#define math_force_eval(x) \
do \
{ \
if (sizeof (x) <= sizeof (double)) \
__asm __volatile ("" : : "x" (x)); \
else \
__asm __volatile ("" : : "f" (x)); \
} \
while (0)
#include <math/math_private.h>
/* We can do a few things better on x86-64. */
/* Direct movement of float into integer register. */
#undef EXTRACT_WORDS64
#define EXTRACT_WORDS64(i,d) \
do { \
long int i_; \
asm ("movd %1, %0" : "=rm" (i_) : "x" (d)); \
(i) = i_; \
} while (0)
/* And the reverse. */
#undef INSERT_WORDS64
#define INSERT_WORDS64(d,i) \
do { \
long int i_ = i; \
asm ("movd %1, %0" : "=x" (d) : "rm" (i_)); \
} while (0)
/* Direct movement of float into integer register. */
#undef GET_FLOAT_WORD
#define GET_FLOAT_WORD(i,d) \
do { \
int i_; \
asm ("movd %1, %0" : "=rm" (i_) : "x" (d)); \
(i) = i_; \
} while (0)
/* And the reverse. */
#undef SET_FLOAT_WORD
#define SET_FLOAT_WORD(d,i) \
do { \
int i_ = i; \
asm ("movd %1, %0" : "=x" (d) : "rm" (i_)); \
} while (0)
#endif
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