[GHC] #9661: Branchless ==# is compiled to branchy code
GHC
ghc-devs at haskell.org
Sat Oct 4 05:36:40 UTC 2014
#9661: Branchless ==# is compiled to branchy code
-------------------------------------+-------------------------------------
Reporter: dfeuer | Owner:
Type: feature | Status: new
request | Milestone:
Priority: normal | Version: 7.9
Component: Compiler | Keywords:
Resolution: | Architecture: Unknown/Multiple
Operating System: | Difficulty: Unknown
Unknown/Multiple | Blocked By:
Type of failure: Runtime | Related Tickets:
performance bug |
Test Case: |
Blocking: |
Differential Revisions: |
-------------------------------------+-------------------------------------
Comment (by jstolarek):
Replying to [comment:9 rwbarton]:
> It was not undertaken to give the user control over whether GHC produces
branchless code or branching code.
Yes, it was undertaken exactly for that reason! Read the original report
for #6135 and PrimBool wiki page.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9661#comment:10>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
More information about the ghc-tickets
mailing list