[GHC] #6135: Unboxed Booleans

GHC ghc-devs at haskell.org
Mon Jun 17 11:41:10 CEST 2013


#6135: Unboxed Booleans
-------------------------------+--------------------------------------------
  Reporter:  benl              |          Owner:                  
      Type:  feature request   |         Status:  new             
  Priority:  normal            |      Milestone:  7.8.1           
 Component:  Compiler          |        Version:  7.4.1           
Resolution:                    |       Keywords:                  
        Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown      |     Difficulty:  Unknown         
  Testcase:                    |      Blockedby:                  
  Blocking:                    |        Related:  #605            
-------------------------------+--------------------------------------------

Comment(by jstolarek):

 I'm running some benchmarks and analysing produced assembly and I just
 realized that removing case-on-bool in the codegen causes a performance
 regression. It seems to me that this special case is necessary, even after
 removing primops that return Bool.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6135#comment:77>
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