BigInteger.java (setShiftRight): Only do negative shift if count != 0.

2001-01-16  Hans Boehm  <hans_boehm@hp.com>

	* java/math/BigInteger.java (setShiftRight): Only do negative shift
	if count != 0.

From-SVN: r39080

libjava/ChangeLog

+2001-01-16  Hans Boehm  <hans_boehm@hp.com>
+
+	* java/math/BigInteger.java (setShiftRight): Only do negative shift
+	if count != 0.
+
 2001-01-14  Mark Wielaard  <mark@klomp.org>
 	* java/net/URLDecoder.java: Thanks Edgar Villanueva (edgarvil@home.com)
 	(decode): Merge comments with Classpath, don't throw Exception

libjava/java/math/BigInteger.java

@@ -1401,11 +1401,13 @@ public class BigInteger extends Number implements Comparable
 	      realloc(d_len);
 	    if (count == 0)
 	      System.arraycopy(x.words, word_count, words, 0, d_len);
-	    else
-	      MPN.rshift(words, x.words, word_count, d_len, count);
+            else
+	      {
+		MPN.rshift(words, x.words, word_count, d_len, count);
+        	if (neg)
+        	  words[d_len-1] |= -1 << (32 - count);
+              }
 	    ival = d_len;
-	    if (neg)
-	      words[ival-1] |= -1 << (32 - count);
 	  }
       }
   }