diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 46e41ec9892..fa95bebe2b7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-07  Oleg Endo  <olegendo@gcc.gnu.org>
+
+	PR target/50751
+	* config/sh/sh.md (extendqihi2): Allow only for TARGET_SH1.
+
 2014-12-07  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* compare-elim.c: Fix head comment.
diff --git a/gcc/config/sh/sh.md b/gcc/config/sh/sh.md
index 085a806e9f5..644dd06a966 100644
--- a/gcc/config/sh/sh.md
+++ b/gcc/config/sh/sh.md
@@ -6364,10 +6364,9 @@ label:
 })
 
 (define_expand "extendqihi2"
-  [(set (match_operand:HI 0 "arith_reg_dest" "")
-	(sign_extend:HI (match_operand:QI 1 "arith_reg_operand" "")))]
-  ""
-  "")
+  [(set (match_operand:HI 0 "arith_reg_dest")
+	(sign_extend:HI (match_operand:QI 1 "arith_reg_operand")))]
+  "TARGET_SH1")
 
 (define_insn "*extendqihi2_compact_reg"
   [(set (match_operand:HI 0 "arith_reg_dest" "=r")