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Diffstat (limited to 'arch/mips/math-emu/dp_sqrt.c')
-rw-r--r--arch/mips/math-emu/dp_sqrt.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/mips/math-emu/dp_sqrt.c b/arch/mips/math-emu/dp_sqrt.c
index 041bbb6124bb..cd5bc083001e 100644
--- a/arch/mips/math-emu/dp_sqrt.c
+++ b/arch/mips/math-emu/dp_sqrt.c
@@ -42,13 +42,12 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x)
/* x == INF or NAN? */
switch (xc) {
- case IEEE754_CLASS_QNAN:
- /* sqrt(Nan) = Nan */
+ case IEEE754_CLASS_SNAN:
return ieee754dp_nanxcpt(x);
- case IEEE754_CLASS_SNAN:
- ieee754_setcx(IEEE754_INVALID_OPERATION);
- return ieee754dp_nanxcpt(ieee754dp_indef());
+ case IEEE754_CLASS_QNAN:
+ /* sqrt(Nan) = Nan */
+ return x;
case IEEE754_CLASS_ZERO:
/* sqrt(0) = 0 */
@@ -58,7 +57,7 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x)
if (xs) {
/* sqrt(-Inf) = Nan */
ieee754_setcx(IEEE754_INVALID_OPERATION);
- return ieee754dp_nanxcpt(ieee754dp_indef());
+ return ieee754dp_indef();
}
/* sqrt(+Inf) = Inf */
return x;
@@ -71,7 +70,7 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x)
if (xs) {
/* sqrt(-x) = Nan */
ieee754_setcx(IEEE754_INVALID_OPERATION);
- return ieee754dp_nanxcpt(ieee754dp_indef());
+ return ieee754dp_indef();
}
break;
}