diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3b9c8ac9724..7f1cbd83e85 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-11-14  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/i386.md (*andndi3_doubleword): Merge operand constraints.
+	(*ashl<mode>3_doubleword): Ditto.
+
 2016-11-14  Martin Liska  <mliska@suse.cz>
 
 	* tree-ssa-dse.c (dse_optimize_stmt): Remove quotes and extra
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index ac2650b2910..7db04ce82ae 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -8745,10 +8745,10 @@
 })
 
 (define_insn_and_split "*andndi3_doubleword"
-  [(set (match_operand:DI 0 "register_operand" "=r,r")
+  [(set (match_operand:DI 0 "register_operand" "=r")
 	(and:DI
-	  (not:DI (match_operand:DI 1 "register_operand" "r,r"))
-	  (match_operand:DI 2 "nonimmediate_operand" "r,m")))
+	  (not:DI (match_operand:DI 1 "register_operand" "r"))
+	  (match_operand:DI 2 "nonimmediate_operand" "rm")))
    (clobber (reg:CC FLAGS_REG))]
   "TARGET_BMI && !TARGET_64BIT && TARGET_STV && TARGET_SSE"
   "#"
@@ -9704,9 +9704,9 @@
   "ix86_expand_binary_operator (ASHIFT, <MODE>mode, operands); DONE;")
 
 (define_insn "*ashl<mode>3_doubleword"
-  [(set (match_operand:DWI 0 "register_operand" "=&r,&r")
-	(ashift:DWI (match_operand:DWI 1 "reg_or_pm1_operand" "n,0")
-		    (match_operand:QI 2 "nonmemory_operand" "<S>c,<S>c")))
+  [(set (match_operand:DWI 0 "register_operand" "=&r")
+	(ashift:DWI (match_operand:DWI 1 "reg_or_pm1_operand" "0n")
+		    (match_operand:QI 2 "nonmemory_operand" "<S>c")))
    (clobber (reg:CC FLAGS_REG))]
   ""
   "#"