diff --git a/gcc/config/arm/arm.md b/gcc/config/arm/arm.md
index 738c3a7..afa6e97 100644
--- a/gcc/config/arm/arm.md
+++ b/gcc/config/arm/arm.md
@@ -11200,12 +11200,18 @@
 (define_insn "arm_rev"
   [(set (match_operand:SI 0 "s_register_operand" "=r")
 	(bswap:SI (match_operand:SI 1 "s_register_operand" "r")))]
-  "TARGET_EITHER && arm_arch6"
+  "TARGET_32BIT && arm_arch6"
+  "rev%?\t%0, %1"
+  [(set_attr "predicable" "yes")
+   (set_attr "length" "4")]
+)
+
+(define_insn "thumb1_rev"
+  [(set (match_operand:SI 0 "s_register_operand" "=l")
+	(bswap:SI (match_operand:SI 1 "s_register_operand" "l")))]
+  "TARGET_THUMB1 && arm_arch6"
   "rev\t%0, %1"
-  [(set (attr "length")
-        (if_then_else (eq_attr "is_thumb" "yes")
-		      (const_int 2)
-		      (const_int 4)))]
+  [(set_attr "length" "2")]
 )
 
 (define_expand "arm_legacy_rev"