patch applied (ghc): extract some of the generic C-- optimisations from the NCG

[Simon Marlow]

Fri Feb 24 03:17:53 PST 2006  Simon Marlow <simonmar at microsoft.com>
  * extract some of the generic C-- optimisations from the NCG

    M ./ghc/compiler/nativeGen/AsmCodeGen.lhs -382 +2