[GHC] #5218: Add unpackCStringLen# to create Strings from string literals
GHC
ghc-devs at haskell.org
Tue Apr 11 06:43:59 UTC 2017
#5218: Add unpackCStringLen# to create Strings from string literals
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Reporter: tibbe | Owner: thoughtpolice
Type: feature request | Status: patch
Priority: normal | Milestone:
Component: Compiler | Version: 7.0.3
Resolution: | Keywords:
Operating System: Unknown/Multiple | Architecture:
Type of failure: Runtime | Unknown/Multiple
performance bug | Test Case:
Blocked By: | Blocking:
Related Tickets: #5877 #10064 | Differential Rev(s): Phab:D2443
Wiki Page: |
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Comment (by winter):
Replying to [comment:66 bgamari]:
> > If we add a new closure type for `ByteArray#`, could it be used in
runtime also?
>
> I'm not sure I follow the suggestion here. What do you mean by "used in
the runtime"?
I mean can we change 'ByteArray#' 's representation into just length and
content (removing the header)? I think that's not possible due to GC
expect to see an uniform heap object representation, but i'm not sure
there's no other way to make it work.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5218#comment:67>
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