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-rw-r--r--fpu/softfloat-specialize.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h
index 166b913696..d279210ae8 100644
--- a/fpu/softfloat-specialize.h
+++ b/fpu/softfloat-specialize.h
@@ -144,6 +144,9 @@ static float32 propagateFloat32NaN( float32 a, float32 b STATUS_PARAM)
flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
bits32 av, bv, res;
+ if ( STATUS(default_nan_mode) )
+ return float32_default_nan;
+
aIsNaN = float32_is_nan( a );
aIsSignalingNaN = float32_is_signaling_nan( a );
bIsNaN = float32_is_nan( b );
@@ -276,6 +279,9 @@ static float64 propagateFloat64NaN( float64 a, float64 b STATUS_PARAM)
flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
bits64 av, bv, res;
+ if ( STATUS(default_nan_mode) )
+ return float64_default_nan;
+
aIsNaN = float64_is_nan( a );
aIsSignalingNaN = float64_is_signaling_nan( a );
bIsNaN = float64_is_nan( b );
@@ -412,6 +418,12 @@ static floatx80 propagateFloatx80NaN( floatx80 a, floatx80 b STATUS_PARAM)
{
flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
+ if ( STATUS(default_nan_mode) ) {
+ a.low = floatx80_default_nan_low;
+ a.high = floatx80_default_nan_high;
+ return a;
+ }
+
aIsNaN = floatx80_is_nan( a );
aIsSignalingNaN = floatx80_is_signaling_nan( a );
bIsNaN = floatx80_is_nan( b );
@@ -532,6 +544,12 @@ static float128 propagateFloat128NaN( float128 a, float128 b STATUS_PARAM)
{
flag aIsNaN, aIsSignalingNaN, bIsNaN, bIsSignalingNaN;
+ if ( STATUS(default_nan_mode) ) {
+ a.low = float128_default_nan_low;
+ a.high = float128_default_nan_high;
+ return a;
+ }
+
aIsNaN = float128_is_nan( a );
aIsSignalingNaN = float128_is_signaling_nan( a );
bIsNaN = float128_is_nan( b );