diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3acb28946da..25c6dfd25b9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
+
+	* varasm.c (decode_reg_name): Skip empty aqdditional register names.
+
 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
 
 	* tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
diff --git a/gcc/varasm.c b/gcc/varasm.c
index 6c5a5333024..a3ef4fda272 100644
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -844,7 +844,8 @@ decode_reg_name (const char *asmspec)
 	  = ADDITIONAL_REGISTER_NAMES;
 
 	for (i = 0; i < (int) ARRAY_SIZE (table); i++)
-	  if (! strcmp (asmspec, table[i].name))
+	  if (table[i].name[0]
+	      && ! strcmp (asmspec, table[i].name))
 	    return table[i].number;
       }
 #endif /* ADDITIONAL_REGISTER_NAMES */