Fix various bugs in previous change.

From-SVN: r17412

gcc/config/i386/i386.md

@@ -836,7 +836,7 @@
   [(set (match_operand:SI 0 "push_operand" "=<")
 	(match_operand:SI 1 "nonmemory_operand" "ri"))]
   ""
-  "push%L0 %1")
+  "* return AS1 (push%L0,%1);")
 
 ;; On a 386, it is faster to push MEM directly.
 
@@ -844,7 +844,7 @@
   [(set (match_operand:SI 0 "push_operand" "=<")
 	(match_operand:SI 1 "memory_operand" "m"))]
   "TARGET_PUSH_MEMORY"
-  "push%L0 %1")
+  "* return AS1 (push%L0,%1);")
 
 ;; General case of fullword move.
 
@@ -906,13 +906,13 @@
   [(set (match_operand:HI 0 "push_operand" "=<")
 	(match_operand:HI 1 "nonmemory_operand" "ri"))]
   ""
-  "push%W0 %1")
+  "* return AS1 (push%W0,%1);")
 
 (define_insn ""
   [(set (match_operand:HI 0 "push_operand" "=<")
 	(match_operand:HI 1 "memory_operand" "m"))]
   "TARGET_PUSH_MEMORY"
-  "push%W0 %1")
+  "* return AS1 (push%W0,%1);")
 
 ;; On i486, an incl and movl are both faster than incw and movw.
 
@@ -1025,7 +1025,7 @@
   [(set (match_operand:QI 0 "push_operand" "=<")
 	(match_operand:QI 1 "const_int_operand" "n"))]
   ""
-  "push%W0,%1")
+  "* return AS1(push%W0,%1);")
 
 (define_insn ""
   [(set (match_operand:QI 0 "push_operand" "=<")