fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.

        * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
        (_fpadd_parts): Get sign right for 0.

From-SVN: r22485

gcc/ChangeLog

+1998-09-19  Torbjorn Granlund  <tege@matematik.su.se>
+
+	* fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
+	(_fpadd_parts): Get sign right for 0.
+
 1998-09-19  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
 
 	* ginclude/varargs.h: Add support for C4x target.

gcc/config/fp-bit.c

@@ -460,7 +460,6 @@ pack_d ( fp_number_type *  src)
   else if (fraction == 0)
     {
       exp = 0;
-      sign = 0;
     }
   else
     {
@@ -735,7 +734,7 @@ _fpadd_parts (fp_number_type * a,
 	{
 	  tfraction = a_fraction - b_fraction;
 	}
-      if (tfraction > 0)
+      if (tfraction >= 0)
 	{
 	  tmp->sign = 0;
 	  tmp->normal_exp = a_normal_exp;