[GHC] #9246: GHC generates poor code for repeated uses of min/max

GHC ghc-devs at haskell.org
Fri Jul 4 22:38:04 UTC 2014


#9246: GHC generates poor code for repeated uses of min/max
--------------------------------------------+------------------------------
        Reporter:  arotenberg               |            Owner:
            Type:  bug                      |           Status:  new
        Priority:  normal                   |        Milestone:
       Component:  Compiler                 |          Version:  7.8.2
      Resolution:                           |         Keywords:
Operating System:  Windows                  |     Architecture:  x86_64
 Type of failure:  Runtime performance bug  |  (amd64)
       Test Case:                           |       Difficulty:  Unknown
        Blocking:                           |       Blocked By:
                                            |  Related Tickets:  #6135
--------------------------------------------+------------------------------

Comment (by arotenberg):

 I don't have any great ideas on the LNE issue, other than maybe add a line
 in the GHC user docs about it somewhere. carter has opened #9251 for the
 min/max primops, so I guess this issue can be closed. Thanks for your
 help!

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9246#comment:10>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler


More information about the ghc-tickets mailing list