[GHC] #6111: Simple loop performance regression of 7.4.1 relative to 7.0.4

[GHC]

#6111: Simple loop performance regression of 7.4.1 relative to 7.0.4
--------------------------------------------+-------------------------------
    Reporter:  mdgabriel                    |       Owner:  igloo                  
        Type:  bug                          |      Status:  new                    
    Priority:  normal                       |   Milestone:                         
   Component:  Compiler                     |     Version:  7.4.1                  
    Keywords:  Loop performance regression  |          Os:  Linux                  
Architecture:  x86                          |     Failure:  Runtime performance bug
  Difficulty:  Unknown                      |    Testcase:                         
   Blockedby:                               |    Blocking:                         
     Related:  #6110                        |  
--------------------------------------------+-------------------------------

Comment(by igloo@…):

 commit c7a8941b04541789e60950bb126902effae0ccab
 {{{
 Author: Ian Lynagh <igloo at earth.li>
 Date:   Wed Jun 27 21:49:57 2012 +0100

     Add some more Integer rules; fixes #6111

  compiler/basicTypes/Id.lhs        |    2 +-
  compiler/basicTypes/IdInfo.lhs    |    2 +-
  compiler/basicTypes/MkId.lhs-boot |    3 +++
  compiler/prelude/PrelRules.lhs    |   37
 ++++++++++++++++++++++++++++++++++++-
  compiler/prelude/PrimOp.lhs-boot  |    7 +++++++
  5 files changed, 48 insertions(+), 3 deletions(-)
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6111#comment:4>
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