#8742: Reuse scavenge_small_bitmap -------------------------------------+------------------------------------ Reporter: Tarrasch | Owner: Type: task | Status: new Priority: lowest | Milestone: 7.10.1 Component: Runtime System | Version: 7.6.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Unknown/Multiple Type of failure: None/Unknown | Difficulty: Unknown Test Case: | Blocked By: Blocking: | Related Tickets: -------------------------------------+------------------------------------ Comment (by Tarrasch): Unfortunately, the output object files did differ. I even did `objdump --source rts/dist/build/sm/Scav.o` and saw that the assembly output actually was different before and after the patch. I would guess that gcc isn't smart enough to in-line a usage like this: `my_var = inline_function(..., my_var, ...)`. It probably doesn't realize that there's no need to save `my_var` in a temporary. Should we abandon this ticket or is it worth merging anyway? I don't have any good judgement here since I'm not sure how hot this code is. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8742#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler