#2132: Optimise nested comparisons
  Reporter:  simonpj                  |          Owner:                  
      Type:  bug                      |         Status:  new             
  Priority:  lowest                   |      Milestone:  7.6.2           
 Component:  Compiler                 |        Version:  6.8.2           
Resolution:                           |       Keywords:                  
        Os:  Unknown/Multiple         |   Architecture:  Unknown/Multiple
   Failure:  Runtime performance bug  |     Difficulty:  Unknown         
  Testcase:                           |      Blockedby:                  
  Blocking:                           |        Related:                  
Changes (by simonpj):

  * status:  closed => new
  * resolution:  wontfix =>


 I'm re-opening this, since it came up again in #7378. I wonder if a very
 simple pass, enabled with -O2, might be worth while.  No overflow magic,
 just simple comparisons.


Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2132#comment:31>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler

Glasgow-haskell-bugs mailing list

Reply via email to