patch applied (ghc-6.6/ghc): Fix trac #921: generate *q instructions for int-float conversions

[Ian Lynagh]

Wed Oct 11 07:00:07 PDT 2006  Ian Lynagh <igloo at earth.li>
  * Fix trac #921: generate *q instructions for int-float conversions
  We need to generate, e.g., cvtsi2sdq rather than cvtsi2sd on amd64 in
  order to have int-float conversions work correctly for values not
  correctly representable in 32 bits.

    M ./compiler/nativeGen/PprMach.hs -4 +4