From: Toni Wilen <twilen@winuae.net>
Date: Sun, 17 Jun 2018 06:40:44 +0000 (+0300)
Subject: Fixed softfloat logarithmic functions when input value was nan.
X-Git-Tag: 4000~10
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=5662ee30a0e0b039da7cb98c389de39c444a47d9;p=francis%2Fwinuae.git

Fixed softfloat logarithmic functions when input value was nan.
---

diff --git a/softfloat/softfloat_fpsp.cpp b/softfloat/softfloat_fpsp.cpp
index ec94ff44..177b0f10 100644
--- a/softfloat/softfloat_fpsp.cpp
+++ b/softfloat/softfloat_fpsp.cpp
@@ -1003,7 +1003,7 @@ floatx80 floatx80_log10(floatx80 a, float_status *status)
 	aSign = extractFloatx80Sign(a);
 	
 	if (aExp == 0x7FFF) {
-		if ((uint64_t) (aSig<<1)) propagateFloatx80NaNOneArg(a, status);
+		if ((uint64_t) (aSig<<1)) return propagateFloatx80NaNOneArg(a, status);
 		if (aSign == 0)
 			return packFloatx80(0, 0x7FFF, floatx80_default_infinity_low);
 	}
@@ -1051,7 +1051,7 @@ floatx80 floatx80_log2(floatx80 a, float_status *status)
 	aSign = extractFloatx80Sign(a);
 	
 	if (aExp == 0x7FFF) {
-		if ((uint64_t) (aSig<<1)) propagateFloatx80NaNOneArg(a, status);
+		if ((uint64_t) (aSig<<1)) return propagateFloatx80NaNOneArg(a, status);
 		if (aSign == 0)
 			return packFloatx80(0, 0x7FFF, floatx80_default_infinity_low);
 	}
@@ -1109,7 +1109,7 @@ floatx80 floatx80_logn(floatx80 a, float_status *status)
 	aSign = extractFloatx80Sign(a);
 	
 	if (aExp == 0x7FFF) {
-		if ((uint64_t) (aSig<<1)) propagateFloatx80NaNOneArg(a, status);
+		if ((uint64_t) (aSig<<1)) return propagateFloatx80NaNOneArg(a, status);
 		if (aSign == 0)
 			return packFloatx80(0, 0x7FFF, floatx80_default_infinity_low);
 	}
@@ -1244,7 +1244,7 @@ floatx80 floatx80_lognp1(floatx80 a, float_status *status)
 	aSign = extractFloatx80Sign(a);
 	
 	if (aExp == 0x7FFF) {
-		if ((uint64_t) (aSig<<1)) propagateFloatx80NaNOneArg(a, status);
+		if ((uint64_t) (aSig<<1)) return propagateFloatx80NaNOneArg(a, status);
 		if (aSign) {
 			float_raise(float_flag_invalid, status);
 			a.low = floatx80_default_nan_low;