Calculuate the maximum number of register colors that could be
denied to a node of this class due to having this reg
as a neighbour.
|:: Int||desired stack offset in words, positive or negative
|The complete set of machine registers.
|Take the class of a register.
|Get the name of the register with this number.
|these are the regs which we cannot assume stay alive over a C call.
|Produced by Haddock version 2.6.0|