Eliminate compiler warnings.

	* real.c (endian): Disable last change unless
	HOST_BITS_PER_WIDE_INT is greater than 32.

From-SVN: r24315

gcc/ChangeLog

+Mon Dec 14 16:23:27 1998  Jim Wilson  <wilson@cygnus.com>
+
+	* real.c (endian): Disable last change unless
+	HOST_BITS_PER_WIDE_INT is greater than 32.
+
 Mon Dec 14 17:13:36 EST 1998  Andrew MacLeod  <amacleod@cygnus.com>
 
 	* output.h (force_data_section): New prototype.

gcc/real.c

@@ -557,8 +557,10 @@ endian (e, x, mode)
   /* If 32 bits is an entire word for the target, but not for the host,
      then sign-extend on the host so that the number will look the same
      way on the host that it would on the target.  See for instance
-     simplify_unary_operation.  */
+     simplify_unary_operation.  The #if is needed to avoid compiler
+     warnings.  */
 
+#if HOST_BITS_PER_WIDE_INT > 32
   if (BITS_PER_WORD < HOST_BITS_PER_WIDE_INT && BITS_PER_WORD == 32)
     {
       if (x[0] & ((HOST_WIDE_INT) 1 << 31))
@@ -567,6 +569,7 @@ endian (e, x, mode)
       if (x[1] & ((HOST_WIDE_INT) 1 << 31))
 	x[1] |= ((HOST_WIDE_INT) (-1) << 32);
     }
+#endif
 }