cgOp (LTrunc ITNative (ITFixed to)) [x]
    | 32 >= nativeTyWidth to = iCoerce Trunc IT32 to x
cgOp (LTrunc ITNative (ITFixed to)) [x]
    | 32 >= nativeTyWidth to = iCoerce Trunc IT32 to x
cgOp (LTrunc ITNative (ITFixed to)) [x]
    | 32 >= nativeTyWidth to = iCoerce Trunc IT32 to x