[Qemu-devel] [PATCH] fpu: Simplify floatx80ToCommonNaN function.

[Thomas Schwinge]

Signed-off-by: Thomas Schwinge <tho...@codesourcery.com>
---
 fpu/softfloat-specialize.h |   15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git fpu/softfloat-specialize.h fpu/softfloat-specialize.h
index 518f694..83add1a 100644
--- fpu/softfloat-specialize.h
+++ fpu/softfloat-specialize.h
@@ -934,15 +934,14 @@ static commonNaNT floatx80ToCommonNaN( floatx80 a 
STATUS_PARAM)
     commonNaNT z;
 
     if ( floatx80_is_signaling_nan( a ) ) float_raise( float_flag_invalid 
STATUS_VAR);
-    if ( a.low >> 63 ) {
-        z.sign = a.high >> 15;
-        z.low = 0;
-        z.high = a.low << 1;
-    } else {
-        z.sign = floatx80_default_nan_high >> 15;
-        z.low = 0;
-        z.high = floatx80_default_nan_low << 1;
+    /* Replace a Pseudo NaN with a default NaN.  */
+    if (!(a.low >> 63)) {
+        a.low = floatx80_default_nan_low;
+        a.high = floatx80_default_nan_high;
     }
+    z.sign = a.high >> 15;
+    z.low = 0;
+    z.high = a.low << 1;
     return z;
 }
 
-- 
1.7.10.4