diff options
Diffstat (limited to 'sysdeps/powerpc/fpu')
| -rw-r--r-- | sysdeps/powerpc/fpu/math_private.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/sysdeps/powerpc/fpu/math_private.h b/sysdeps/powerpc/fpu/math_private.h index 91b1361749..21628f3bda 100644 --- a/sysdeps/powerpc/fpu/math_private.h +++ b/sysdeps/powerpc/fpu/math_private.h @@ -25,7 +25,28 @@ #include_next <math_private.h> -#if defined _ARCH_PWR9 && __HAVE_DISTINCT_FLOAT128 +#ifdef _ARCH_PWR9 + +#if __GNUC_PREREQ (8, 0) +# define _GL_HAS_BUILTIN_ILOGB 1 +#elif defined __has_builtin +# define _GL_HAS_BUILTIN_ILOGB __has_builtin (__builtin_vsx_scalar_extract_exp) +#else +# define _GL_HAS_BUILTIN_ILOGB 0 +#endif + +#define __builtin_test_dc_ilogbf __builtin_test_dc_ilogb +#define __builtin_ilogbf __builtin_ilogb + +#define __builtin_test_dc_ilogb(x, y) \ + __builtin_vsx_scalar_test_data_class_dp(x, y) +#define __builtin_ilogb(x) __builtin_vsx_scalar_extract_exp(x) - 0x3ff + +#define __builtin_test_dc_ilogbf128(x, y) \ + __builtin_vsx_scalar_test_data_class_qp(x, y) +#define __builtin_ilogbf128(x) __builtin_vsx_scalar_extract_expq(x) - 0x3fff + +#if __HAVE_DISTINCT_FLOAT128 extern __always_inline _Float128 __ieee754_sqrtf128 (_Float128 __x) { @@ -34,5 +55,8 @@ __ieee754_sqrtf128 (_Float128 __x) return __z; } #endif +#else /* !_ARCH_PWR9 */ +#define _GL_HAS_BUILTIN_ILOGB 0 +#endif #endif /* _PPC_MATH_PRIVATE_H_ */ |