diff options
Diffstat (limited to 'sysdeps/powerpc')
| -rw-r--r-- | sysdeps/powerpc/fpu/bits/mathinline.h | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/sysdeps/powerpc/fpu/bits/mathinline.h b/sysdeps/powerpc/fpu/bits/mathinline.h index 01956d9ee8..e692df9b1a 100644 --- a/sysdeps/powerpc/fpu/bits/mathinline.h +++ b/sysdeps/powerpc/fpu/bits/mathinline.h @@ -18,6 +18,16 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#ifndef _MATH_H +# error "Never use <bits/mathinline.h> directly; include <math.h> instead." +#endif + +#ifdef __cplusplus +# define __MATH_INLINE __inline +#else +# define __MATH_INLINE extern __inline +#endif /* __cplusplus */ + #if defined __GNUC__ && !defined _SOFT_FLOAT #ifdef __USE_ISOC99 @@ -45,16 +55,28 @@ # define isunordered(x, y) (__unordered_cmp (x, y) & 1) # endif /* __GNUC_PREREQ (2,97) */ + +/* The gcc, version 2.7 or below, has problems with all this inlining + code. So disable it for this version of the compiler. */ +# if __GNUC_PREREQ (2, 8) +/* Test for negative number. Used in the signbit() macro. */ +__MATH_INLINE int +__signbitf (float __x) __THROW +{ + __extension__ union { float __f; int __i; } __u = { __f: __x }; + return __u.__i < 0; +} +__MATH_INLINE int +__signbit (double __x) __THROW +{ + __extension__ union { double __d; int __i[2]; } __u = { __d: __x }; + return __u.__i[0] < 0; +} +# endif #endif /* __USE_ISOC99 */ #if !defined __NO_MATH_INLINES && defined __OPTIMIZE__ -#ifdef __cplusplus -# define __MATH_INLINE __inline -#else -# define __MATH_INLINE extern __inline -#endif /* __cplusplus */ - #ifdef __USE_ISOC99 # ifndef __powerpc64__ @@ -63,7 +85,7 @@ __MATH_INLINE long int lrint (double __x) __THROW { union { - double __d; + double __d; int __ll[2]; } __u; __asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x)); |