Index: config/i386/predicates.md
===================================================================
--- config/i386/predicates.md	(revision 180696)
+++ config/i386/predicates.md	(working copy)
@@ -1162,7 +1162,7 @@

 ;; Return true if OP is a binary operator that can be promoted to wider mode.
 (define_predicate "promotable_binary_operator"
-  (ior (match_code "plus,and,ior,xor,ashift")
+  (ior (match_code "plus,minus,and,ior,xor,ashift")
        (and (match_code "mult")
 	    (match_test "TARGET_TUNE_PROMOTE_HIMODE_IMUL"))))