Stub out JIT_OP_RETURN_REG, which doesn't need any special handling for x86.

ChangeLog

@@ -5,6 +5,9 @@
 	jit/jit-rules-x86.c, jit/jit-rules-x86.sel: continue the
 	x86 back end; particularly byte/short stores.
 
+	* jit/jit-rules-x86.sel: stub out JIT_OP_RETURN_REG, which
+	doesn't need any special handling for x86.
+
 2004-05-27  Rhys Weatherley  <rweather@southern-storm.com.au>
 
 	* tools/gen-apply.c: split "detect_struct_conventions" up a bit

jit/jit-rules-x86.sel

@@ -831,6 +831,9 @@ JIT_OP_ADDRESS_OF: manual
  * Stack pushes and pops.
  */
 
+JIT_OP_RETURN_REG: manual
+	[] -> { /* Nothing to do here */ }
+
 JIT_OP_PUSH_INT: unary_note
 	[imm] -> {
 		x86_push_imm(inst, $1);