[MLton-devel] porting to x86-64

[Stephen Weeks]

> A middle-of-the-road solution
> (which is really nothing more than a couple of primitives) would be to
> support:
> MLton.Int64.highWord : int64 -> word32
> MLton.Int64.lowWord : int64 -> word32
> MLton.Int64.makeInt : word32 * word32 -> int64
> which could initially be used to implement 64bit operations, and we could
> migrate operations to assembly as needed.

I like this as a migration path.  It lets us get up and running fast
and work on the codegen and the basis library changes independently.




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