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Re: [committed] Fix combiner.c's RTL checking failure (PR target/84710)
- From: Segher Boessenkool <segher at kernel dot crashing dot org>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 6 Mar 2018 14:50:39 -0600
- Subject: Re: [committed] Fix combiner.c's RTL checking failure (PR target/84710)
- Authentication-results: sourceware.org; auth=none
- References: <20180306204407.GZ5867@tucnak>
On Tue, Mar 06, 2018 at 09:44:07PM +0100, Jakub Jelinek wrote:
> As the following testcase shows on aarch64, the SET_DEST can be a normal
> subreg, not only a paradoxical one or REG.
>
> Fixed thusly, bootstrapped/regtested on x86_64-linux and i686-linux,
> preapproved by Segher in the PR, committed to trunk.
Thanks!
Segher
> 2018-03-06 Jakub Jelinek <jakub@redhat.com>
>
> PR target/84710
> * combine.c (try_combine): Use reg_or_subregno instead of handling
> just paradoxical SUBREGs and REGs.
>
> * gcc.dg/pr84710.c: New test.