diff --git a/gas/ChangeLog b/gas/ChangeLog
index e03dbb97e6..207a576e2f 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2000-07-17  Frank Ch. Eigler  <fche@redhat.com>
+
+	* expr.c (operand): Permit %bin literals if LITERAL_PREFIXPERCENT_BIN
+	is defined.
+
 2000-07-15  Ian Lance Taylor  <ian@zembu.com>
 
 	* doc/c-mips.texi (MIPS Opts): Remove erroneous space after
diff --git a/gas/expr.c b/gas/expr.c
index fe2aa6204e..3365893ca9 100644
--- a/gas/expr.c
+++ b/gas/expr.c
@@ -826,6 +826,12 @@ operand (expressionP)
       break;
 #endif
 
+#ifdef LITERAL_PREFIXPERCENT_BIN
+    case '%':
+      integer_constant (2, expressionP);
+      break;
+#endif
+
     case '0':
       /* non-decimal radix */