Branch created: gcc-3_3-e500-branch

[Zack Weinberg]

Aldy Hernandez <aldyh@redhat.com> writes:

> varargs are broken because of GCC infrastructure problems for subregs
> of simd types on hard registers.  I suggested an approach, but Jan
> Hubicka had another idea which he hasn't implemented.  I may kludge it
> on the e500 branch, since there doesn't seem to be an agreement on how
> to fix GCC.
>
> long doubles are broken on purpose on mainline.  The ABI specifies 128
> bit long doubles, but I have left them as 64 bits since there are no
> emulation bits for powerpc-eabi*.
>
> vector types going on varargs, in the named section of the arguments,
> are supposed to be split.  They currently are not.
>
> Everything above I'm "working on".
>
> Finally, there are a mess of multilibs to be built by default.  I have
> a patch, but I'm still testing the multilibs before I commit to
> mainline.

Can I impose upon you to test and commit your future E500 patches both
on the mainline and on the new branch?  (Once I've got the backport
done.)  That way people using the branch automatically stay up to date.

zw