[GHC] #3388: mkIntegerExpr could use bit operations rather than plus/times for making large Integers.

[GHC]

#3388: mkIntegerExpr could use bit operations rather than plus/times for making
large Integers.
-------------------------------+--------------------------------------------
  Reporter:  igloo             |          Owner:                  
      Type:  task              |         Status:  new             
  Priority:  normal            |      Milestone:  6.12 branch     
 Component:  Compiler          |        Version:  6.10.4          
  Severity:  normal            |       Keywords:                  
Difficulty:  Unknown           |       Testcase:                  
        Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
-------------------------------+--------------------------------------------
 `mkIntegerExpr` in `coreSyn/MkCore.lhs` could use bit operations rather
 than plus/times for making large Integers.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3388>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler