Ben Lippmeier <b...@ouroborus.net> writes: > On 06/12/2012, at 12:12 , Johan Tibell wrote: > >> I'm currently trying to implement word2Double#. Other such primops >> support both x87 and sse floating point math. Do we still support x87 >> fp math? Which compiler flag enables it? > > It's on by default unless you use the -sse2 flag. The x87 support is > horribly slow though. I don't think anyone would notice if you deleted > the x87 code and made SSE the default, especially now that we have the > LLVM code generator. SSE has been the way to go for over 10 years now.
btw, iirc GHC uses SSE2 for x86-64 code generation by default, and that the -msse2 option has only an effect when generating x86(-32) code _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
