On Thu, Nov 01, 2012 at 08:27:52PM +0000, Simon Marlow wrote: > On 01/11/12 17:29, Ian Lynagh wrote: > > > >commit 229323898b0809047b19b79c181085430cce9850 > >Author: Ian Lynagh <i...@well-typed.com> > >Date: Thu Nov 1 14:13:05 2012 +0000 > > > > Fix popcnt calls > > > > We don't want to narrow the argument size before making the foreign > > call: Word8 still gets passed as a Word-sized argument > > I'm not sure this is right (I added the narrowing, FWIW). The fact > that Word8 gets promoted to Word is part of the C ABI, and we don't > want to do that when popcnt is being implemented directly by the > native codegen. I know it is currently broken on some platforms, > but I think the fix is to implement the proper type promotion in the > compilation of C calls.
Ah; I've filed a ticket for this: http://hackage.haskell.org/trac/ghc/ticket/7383 Thanks Ian _______________________________________________ Cvs-ghc mailing list Cvs-ghc@haskell.org http://www.haskell.org/mailman/listinfo/cvs-ghc
