Re: gimple va_arg for arm

[Richard Henderson <rth at redhat dot com>]

On Wed, Jul 14, 2004 at 06:33:59PM +0100, Richard Earnshaw wrote:
> On Thu, 2004-07-08 at 23:11, Richard Henderson wrote:
> > Not committed, since I'm not 100% certain about the curiousness with
> > the alignment of arg_pointer_rtx.  It seems to me that if it's necessary
> > to reduce the alignment for va_arg, then its necessary all of the time.
> 
> Not necessarily.  The ABI is perfectly entitled to say that arguments to
> a variadic function are marshaled in different way to non-variadic
> function.

The question was not about marshalling, but about the alignment
of arg_pointer_rtx.

> ... or alternatively it might be a hang-over from the initial wireless
> MMX port (which used an ABI that didn't really have double-word
> alignment).  If it's the latter then the hack may now be redundant, but
> I haven't had time to look into that yet.

I can believe that.

Thanks for the testing.


r~