#5598: Function quotRem is inefficient
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Reporter: boris | Owner: igloo
Type: task | Status: new
Priority: normal | Milestone: 7.6.1
Component: Compiler | Version: 7.0.3
Keywords: division, performance, primop | Os: Unknown/Multiple
Architecture: x86 | Failure: Runtime
performance bug
Difficulty: Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by rl):
Have you looked at the output of LLVM's optimiser and verified that the
load is still there? If LLVM can't remove it, it's because it thinks the
store might alias the load. That should be fixed by David's TBAA patches.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5598#comment:13>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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