func regSizeCastable(to, from types.T) bool {
if types.IsPointer(to) && types.IsPointer(from) {
return true
}
if isPointerType(to) && types.IsBasic(from, types.Uint) {
return true
}
if types.IsBasic(to, types.Uint) && isPointerType(from) {
return true
}
return false
}
func isPointerType(t types.T) bool {
return types.IsPointer(t) || types.IsFuncPointer(t)
}