#5615: ghc produces poor code for `div` with constant powers of 2. -------------------------------------+------------------------------------- Reporter: Lennart | Owner: | daniel.is.fischer Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.4.1-rc1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: x86 Type of failure: Runtime | Test Case: performance bug | Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by akio): * cc: akio (added) Comment: Am I right that for `div` and `mod` this is just waiting to be implemented (in PrelRules)? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/5615#comment:28 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler