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Diffstat (limited to 'arch/mips/math-emu/ieee754sp.c')
-rw-r--r--arch/mips/math-emu/ieee754sp.c25
1 files changed, 9 insertions, 16 deletions
diff --git a/arch/mips/math-emu/ieee754sp.c b/arch/mips/math-emu/ieee754sp.c
index ba88301579c2..ca8e35e33bf7 100644
--- a/arch/mips/math-emu/ieee754sp.c
+++ b/arch/mips/math-emu/ieee754sp.c
@@ -30,9 +30,9 @@ int ieee754sp_class(union ieee754sp x)
return xc;
}
-int ieee754sp_isnan(union ieee754sp x)
+static inline int ieee754sp_isnan(union ieee754sp x)
{
- return ieee754sp_class(x) >= IEEE754_CLASS_SNAN;
+ return ieee754_class_nan(ieee754sp_class(x));
}
static inline int ieee754sp_issnan(union ieee754sp x)
@@ -42,23 +42,16 @@ static inline int ieee754sp_issnan(union ieee754sp x)
}
+/*
+ * Raise the Invalid Operation IEEE 754 exception
+ * and convert the signaling NaN supplied to a quiet NaN.
+ */
union ieee754sp __cold ieee754sp_nanxcpt(union ieee754sp r)
{
- assert(ieee754sp_isnan(r));
-
- if (!ieee754sp_issnan(r)) /* QNAN does not cause invalid op !! */
- return r;
-
- if (!ieee754_setandtestcx(IEEE754_INVALID_OPERATION)) {
- /* not enabled convert to a quiet NaN */
- SPMANT(r) &= (~SP_MBIT(SP_FBITS-1));
- if (ieee754sp_isnan(r))
- return r;
- else
- return ieee754sp_indef();
- }
+ assert(ieee754sp_issnan(r));
- return r;
+ ieee754_setcx(IEEE754_INVALID_OPERATION);
+ return ieee754sp_indef();
}
static unsigned ieee754sp_get_rounding(int sn, unsigned xm)