[GHC] #8410: NCG sometimes produces code like `addl $0 ...`

GHC ghc-devs
Sat Oct 5 07:23:28 UTC 2013


#8410: NCG sometimes produces code like `addl $0 ...`
------------------------------------+-------------------------------------
       Reporter:  schyler           |             Owner:
           Type:  bug               |            Status:  new
       Priority:  normal            |         Milestone:
      Component:  Compiler          |           Version:  7.6.3
       Keywords:                    |  Operating System:  Unknown/Multiple
   Architecture:  Unknown/Multiple  |   Type of failure:  None/Unknown
     Difficulty:  Unknown           |         Test Case:
     Blocked By:                    |          Blocking:
Related Tickets:                    |
------------------------------------+-------------------------------------
 See the haskell and ASM output;
 https://gist.github.com/kvanberendonck/6837792

 Search for `addl $0` in your browser and you'll see a couple occurrences.
 This is a useless instruction. It would be a minor optimization to not
 emit these.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8410>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler



More information about the ghc-tickets mailing list