diff options
Diffstat (limited to 'math/math_private.h')
| -rw-r--r-- | math/math_private.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/math/math_private.h b/math/math_private.h index f545841df0..129646f8c5 100644 --- a/math/math_private.h +++ b/math/math_private.h @@ -11,7 +11,6 @@ /* * from: @(#)fdlibm.h 5.1 93/09/24 - * $Id$ */ #ifndef _MATH_PRIVATE_H_ @@ -192,6 +191,10 @@ extern int __kernel_rem_pio2 (double*,double*,int,int,int, const int32_t*); /* internal functions. */ extern double __copysign (double x, double __y); +#if __GNUC_PREREQ (4, 0) +extern inline double __copysign (double x, double y) +{ return __builtin_copysign (x, y); } +#endif /* ieee style elementary float functions */ extern float __ieee754_sqrtf (float); @@ -235,6 +238,10 @@ extern int __kernel_rem_pio2f (float*,float*,int,int,int, const int32_t*); /* internal functions. */ extern float __copysignf (float x, float __y); +#if __GNUC_PREREQ (4, 0) +extern inline float __copysignf (float x, float y) +{ return __builtin_copysignf (x, y); } +#endif /* ieee style elementary long double functions */ extern long double __ieee754_sqrtl (long double); @@ -298,6 +305,12 @@ extern long double fabsl (long double x); extern void __sincosl (long double, long double *, long double *); extern long double __logbl (long double x); extern long double __significandl (long double x); + +#if __GNUC_PREREQ (4, 0) +extern inline long double __copysignl (long double x, long double y) +{ return __builtin_copysignl (x, y); } +#endif + #endif /* Prototypes for functions of the IBM Accurate Mathematical Library. */ @@ -319,4 +332,10 @@ extern double __slowexp (double __x); extern double __slowpow (double __x, double __y, double __z); extern void __docos (double __x, double __dx, double __v[]); +#ifndef math_opt_barrier +#define math_opt_barrier(x) \ +({ __typeof (x) __x = x; __asm ("" : "+m" (__x)); __x; }) +#define math_force_eval(x) __asm __volatile ("" : : "m" (x)) +#endif + #endif /* _MATH_PRIVATE_H_ */ |