Fixes for powerpc-linux param passing

[Geoff Keating]

> Date: Sun, 9 May 2004 08:49:50 +0930
> From: Alan Modra <amodra@bigpond.net.au>

> On powerpc-linux, there are some other ABI changes just crying out to be
> done too.  For example, we currently pass _Complex double in gprs.
> Perhaps this change needs to be accompanied with a means to generate
> code compatible with the current broken ABI.

That, you can't change so easily, since libc has functions that accept
complex values.

-- 
- Geoffrey Keating <geoffk@geoffk.org>