diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4aec3eb1db4..afa456280a3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2016-10-26  Jeff Law  <law@redhat.com>
 
+	* config/iq2000/iq2000.c (iq2000_function_arg): Adjust fallthru
+	comment.
+	(expand_one_builtin): Add missing break.
+
 	* config/m32c/m32c.c (encode_pattern_1): Add fallthru comment.
 	(m32c_legitimate_address_p): Likewise.
 
diff --git a/gcc/config/iq2000/iq2000.c b/gcc/config/iq2000/iq2000.c
index 7be7ee52186..2c936da4336 100644
--- a/gcc/config/iq2000/iq2000.c
+++ b/gcc/config/iq2000/iq2000.c
@@ -1244,7 +1244,7 @@ iq2000_function_arg (cumulative_args_t cum_v, machine_mode mode,
       gcc_assert (GET_MODE_CLASS (mode) == MODE_COMPLEX_INT
 		  || GET_MODE_CLASS (mode) == MODE_COMPLEX_FLOAT);
 
-      /* Drops through.  */
+      /* FALLTHRU */
     case BLKmode:
       if (type != NULL_TREE && TYPE_ALIGN (type) > (unsigned) BITS_PER_WORD)
 	cum->arg_words += (cum->arg_words & 1);
@@ -2620,6 +2620,7 @@ expand_one_builtin (enum insn_code icode, rtx target, tree exp,
     {
     case 0:
 	pat = GEN_FCN (icode) (target);
+	break;
     case 1:
       if (target)
 	pat = GEN_FCN (icode) (target, op[0]);