diff options
Diffstat (limited to 'sysdeps/alpha/fpu/bits')
| -rw-r--r-- | sysdeps/alpha/fpu/bits/mathinline.h | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/sysdeps/alpha/fpu/bits/mathinline.h b/sysdeps/alpha/fpu/bits/mathinline.h index 492d9f18a7..681ea70cf9 100644 --- a/sysdeps/alpha/fpu/bits/mathinline.h +++ b/sysdeps/alpha/fpu/bits/mathinline.h @@ -75,7 +75,7 @@ __inline_copysign(copysign, double) #undef __MATH_INLINE_copysign -#if defined __GNUC__ && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 8) +#if defined __GNUC__ && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)) __MATH_INLINE float __fabsf (float __x) { return __builtin_fabsf (__x); } __MATH_INLINE float fabsf (float __x) { return __builtin_fabsf (__x); } __MATH_INLINE double __fabs (double __x) { return __builtin_fabs (__x); } @@ -106,7 +106,8 @@ __inline_fabs(fabs, double) __MATH_INLINE float __floorf (float __x) { - if (fabsf (__x) < 16777216.0f) /* 1 << FLT_MANT_DIG */ + /* Check not zero since floor(-0) == -0. */ + if (__x != 0 && fabsf (__x) < 16777216.0f) /* 1 << FLT_MANT_DIG */ { /* Note that Alpha S_Floating is stored in registers in a restricted T_Floating format, so we don't even need to @@ -116,10 +117,13 @@ __floorf (float __x) float __tmp1, __tmp2; __asm ("cvtst/s %3,%2\n\t" +#ifdef _IEEE_FP_INEXACT "cvttq/svim %2,%1\n\t" - "cvtqt/suim %1,%0\n\t" - "trapb" - : "=&f"(__x), "=&f"(__tmp1), "=&f"(__tmp2) +#else + "cvttq/svm %2,%1\n\t" +#endif + "cvtqt/m %1,%0\n\t" + : "=f"(__x), "=&f"(__tmp1), "=&f"(__tmp2) : "f"(__x)); } return __x; @@ -128,13 +132,17 @@ __floorf (float __x) __MATH_INLINE double __floor (double __x) { - if (fabs (__x) < 9007199254740992.0) /* 1 << DBL_MANT_DIG */ + if (__x != 0 && fabs (__x) < 9007199254740992.0) /* 1 << DBL_MANT_DIG */ { double __tmp1; - __asm ("cvttq/svim %2,%1\n\t" - "cvtqt/suim %1,%0\n\t" - "trapb" - : "=&f"(__x), "=&f"(__tmp1) + __asm ( +#ifdef _IEEE_FP_INEXACT + "cvttq/svim %2,%1\n\t" +#else + "cvttq/svm %2,%1\n\t" +#endif + "cvtqt/m %1,%0\n\t" + : "=f"(__x), "=&f"(__tmp1) : "f"(__x)); } return __x; |