On Mon, May 13, 2013 at 04:48:19PM +1000, Anton Blanchard wrote:
> On Fri, 10 May 2013 22:18:27 +0100
> David Woodhouse <dw...@infradead.org> wrote:
> 
> > From: David Woodhouse <david.woodho...@intel.com>
> > 
> > Some versions of GCC apparently expect this to be provided by libgcc.
> 
> Thanks Dave. We were discussing this with Alan Modra and he doesn't
> think the 64bit target should ever emit a call to __bswapdi2. Did you
> only see it on 32bit, or 64bit as well?
> 
> Alan: I notice Dave is adding calls to __builtin_bswap, perhaps some
> versions of the 64bit compiler did emit __bswapdi2 calls for that.

I did a little digging, and it looks like gcc-4.4 will emit __bswapdi2
calls.  Support in rs6000.md appeared 2009-06-25.

-- 
Alan Modra
Australia Development Lab, IBM
_______________________________________________
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev

Reply via email to