Re: [PATCH][AArch64] Work around PR target/64971

[Kyrill Tkachov <kyrylo dot tkachov at foss dot arm dot com>]

On 15/04/16 17:27, James Greenhalgh wrote:
> On Fri, Apr 15, 2016 at 03:12:58PM +0100, Kyrill Tkachov wrote:
> > On 15/04/16 15:10, Kyrill Tkachov wrote:
> > > Hi all,
> > >
> > > This is a repost of Andrew's fix for PR target/64971 that was originally posted at:
> > > https://gcc.gnu.org/ml/gcc-patches/2015-02/msg00502.html
> > >
> > > The only change is that I substituted DImode for Pmode and added a FIXME
> > > comment to remind us to revisit this (see the PR in bugzilla for more info).
> > >
> > > Bootstrapped and tested on aarch64-none-linux-gnu (LP64, I don't have access
> > > to a full ILP32 system) This patch affects only ILP32 codegen so I've run a
> > > make check on aarch64-none-elf with /-mabi=ilp32 and nothing regressed.
> > > I think at this stage it's the least risky band-aid.
> > >
> > > Is this ok for trunk at this stage?
> I hope that we are able to revisit this for GCC 7 with the more complete
> fixes detailed in the bug report.
>
> I've got no objections to the patch as a band-aid step forward for the
> ILP32 ABI, and the patch is no risk to the LP64 ABI (the code added is very
> clearly predicated on TARGET_ILP32).
>
> As Jeff points out, this will need RM approval to go in to GCC 6.

Sorry for the early ping, but since we're planning for RC2 this week
can I apply this to the GCC 6 branch?

Thanks,
Kyrill

> Thanks,
> James
>