Disable some code using bestrealrec if macro FPC_SOFT_FPUX80 is defined

git-svn-id: trunk@37296 -

compiler/nadd.pas

@@ -698,7 +698,7 @@ implementation
              result:=t;
              exit;
           end;
-{$if FPC_FULLVERSION>20700}
+{$if (FPC_FULLVERSION>20700) and not defined(FPC_SOFT_FPUX80)}
         { bestrealrec is 2.7.1+ only }
 
         { replace .../const by a multiplication, but only if fastmath is enabled or