duncan.coutts: > > On Thu, 2008-05-15 at 23:00 +0400, Bulat Ziganshin wrote: > > Hello Don, > > > > Thursday, May 15, 2008, 10:47:20 PM, you wrote: > > > > > I discovered something today I didn't know. > > > gcc -O2 can optimise out the computed jumps GHC produces in tight loops. > > > > seems that decision to use native backend in ghc -O2 was too early? > > Though note that the native backend never introduced the computed jump. > > I think it's clear that -fvia-C -O should imply -optc-O2 if it does not > already. gcc -O0 is for painfully obvious C translation into assembler, > -O is for quick optimisations. gcc -O2 is the "standard" optimisation > level used for building packages for most distros.
Another idea: should -fstrictness be on by default? I run into too many users writing little tail recursive Int loops, and not using optimisations, with the impression that compiling, e.g. ghc A.hs should just work. -- Don _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users