diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/math_private.h')
| -rw-r--r-- | sysdeps/powerpc/fpu/math_private.h | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/sysdeps/powerpc/fpu/math_private.h b/sysdeps/powerpc/fpu/math_private.h index 6631535e82..37e7456bac 100644 --- a/sysdeps/powerpc/fpu/math_private.h +++ b/sysdeps/powerpc/fpu/math_private.h @@ -25,26 +25,17 @@ #include <fenv_private.h> #include_next <math_private.h> -# if __WORDSIZE == 64 || defined _ARCH_PWR4 -# define __CPU_HAS_FSQRT 1 -# else -# define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0) -# endif - extern double __slow_ieee754_sqrt (double); extern __always_inline double __ieee754_sqrt (double __x) { double __z; - if (__CPU_HAS_FSQRT) - { - /* Volatile is required to prevent the compiler from moving the - fsqrt instruction above the branch. */ - __asm __volatile ("fsqrt %0,%1" : "=f" (__z) : "f" (__x)); - } - else - __z = __slow_ieee754_sqrt(__x); +#ifdef _ARCH_PPCSQ + asm ("fsqrt %0,%1" : "=f" (__z) : "f" (__x)); +#else + __z = __slow_ieee754_sqrt(__x); +#endif return __z; } @@ -55,14 +46,11 @@ __ieee754_sqrtf (float __x) { float __z; - if (__CPU_HAS_FSQRT) - { - /* Volatile is required to prevent the compiler from moving the - fsqrts instruction above the branch. */ - __asm __volatile ("fsqrts %0,%1" : "=f" (__z) : "f" (__x)); - } - else - __z = __slow_ieee754_sqrtf(__x); +#ifdef _ARCH_PPCSQ + asm ("fsqrts %0,%1" : "=f" (__z) : "f" (__x)); +#else + __z = __slow_ieee754_sqrtf(__x); +#endif return __z; } |