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Diffstat (limited to 'sysdeps/alpha/fpu/bits/mathinline.h')
-rw-r--r--sysdeps/alpha/fpu/bits/mathinline.h28
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;