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-rw-r--r--fpu/softfloat-specialize.h44
1 files changed, 34 insertions, 10 deletions
diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h
index 995a0132c6..4fa068a5dc 100644
--- a/fpu/softfloat-specialize.h
+++ b/fpu/softfloat-specialize.h
@@ -498,7 +498,7 @@ static float32 commonNaNToFloat32(commonNaNT a, float_status *status)
| The routine is passed various bits of information about the
| two NaNs and should return 0 to select NaN a and 1 for NaN b.
| Note that signalling NaNs are always squashed to quiet NaNs
-| by the caller, by calling floatXX_maybe_silence_nan() before
+| by the caller, by calling floatXX_silence_nan() before
| returning them.
|
| aIsLargerSignificand is only valid if both a and b are NaNs
@@ -536,7 +536,7 @@ static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
{
/* According to MIPS specifications, if one of the two operands is
* a sNaN, a new qNaN has to be generated. This is done in
- * floatXX_maybe_silence_nan(). For qNaN inputs the specifications
+ * floatXX_silence_nan(). For qNaN inputs the specifications
* says: "When possible, this QNaN result is one of the operand QNaN
* values." In practice it seems that most implementations choose
* the first operand if both operands are qNaN. In short this gives
@@ -788,9 +788,15 @@ static float32 propagateFloat32NaN(float32 a, float32 b, float_status *status)
if (pickNaN(aIsQuietNaN, aIsSignalingNaN, bIsQuietNaN, bIsSignalingNaN,
aIsLargerSignificand)) {
- return float32_maybe_silence_nan(b, status);
+ if (bIsSignalingNaN) {
+ return float32_silence_nan(b, status);
+ }
+ return b;
} else {
- return float32_maybe_silence_nan(a, status);
+ if (aIsSignalingNaN) {
+ return float32_silence_nan(a, status);
+ }
+ return a;
}
}
@@ -950,9 +956,15 @@ static float64 propagateFloat64NaN(float64 a, float64 b, float_status *status)
if (pickNaN(aIsQuietNaN, aIsSignalingNaN, bIsQuietNaN, bIsSignalingNaN,
aIsLargerSignificand)) {
- return float64_maybe_silence_nan(b, status);
+ if (bIsSignalingNaN) {
+ return float64_silence_nan(b, status);
+ }
+ return b;
} else {
- return float64_maybe_silence_nan(a, status);
+ if (aIsSignalingNaN) {
+ return float64_silence_nan(a, status);
+ }
+ return a;
}
}
@@ -1121,9 +1133,15 @@ floatx80 propagateFloatx80NaN(floatx80 a, floatx80 b, float_status *status)
if (pickNaN(aIsQuietNaN, aIsSignalingNaN, bIsQuietNaN, bIsSignalingNaN,
aIsLargerSignificand)) {
- return floatx80_maybe_silence_nan(b, status);
+ if (bIsSignalingNaN) {
+ return floatx80_silence_nan(b, status);
+ }
+ return b;
} else {
- return floatx80_maybe_silence_nan(a, status);
+ if (aIsSignalingNaN) {
+ return floatx80_silence_nan(a, status);
+ }
+ return a;
}
}
@@ -1270,8 +1288,14 @@ static float128 propagateFloat128NaN(float128 a, float128 b,
if (pickNaN(aIsQuietNaN, aIsSignalingNaN, bIsQuietNaN, bIsSignalingNaN,
aIsLargerSignificand)) {
- return float128_maybe_silence_nan(b, status);
+ if (bIsSignalingNaN) {
+ return float128_silence_nan(b, status);
+ }
+ return b;
} else {
- return float128_maybe_silence_nan(a, status);
+ if (aIsSignalingNaN) {
+ return float128_silence_nan(a, status);
+ }
+ return a;
}
}