def F64_0 : WebAssemblyReg<"%f64.0">;
// The expression stack "register". This is an opaque entity which serves to
-// order uses and defs that must remain in FIFO order.
+// order uses and defs that must remain in LIFO order.
def EXPR_STACK : WebAssemblyReg<"STACK">;
// The incoming arguments "register". This is an opaque entity which serves to