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RE: [PATCH] Fix PR66168: ICE due to incorrect invariant register info
- From: "Thomas Preud'homme" <thomas dot preudhomme at arm dot com>
- To: "'Steven Bosscher'" <stevenb dot gcc at gmail dot com>
- Cc: "GCC Patches" <gcc-patches at gcc dot gnu dot org>, "Jeff Law" <law at redhat dot com>
- Date: Wed, 20 May 2015 17:24:33 +0800
- Subject: RE: [PATCH] Fix PR66168: ICE due to incorrect invariant register info
- Authentication-results: sourceware.org; auth=none
- References: <000001d0921d$003785d0$00a69170$ at arm dot com> <CABu31nMgSwQ3=6wuB5uYgk8T8kJjgVcKN2MwWdsStYP9Q9E9Tg at mail dot gmail dot com>
> From: Steven Bosscher [mailto:stevenb.gcc@gmail.com]
> Sent: Tuesday, May 19, 2015 7:21 PM
>
> Not OK.
> This will break in move_invariants() when it looks at REGNO (inv->reg).
Indeed. I'm even surprised all tests passed. Ok I will just prevent moving
in such a case. I'm running the tests now and will get back to you tomorrow.
Best regards,
Thomas