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Re: [PATCH] Small x86 debug info improvement (PR debug/83157)
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Richard Biener <rguenther at suse dot de>, Jeff Law <law at redhat dot com>, Alexandre Oliva <aoliva at redhat dot com>, Uros Bizjak <ubizjak at gmail dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Thu, 29 Mar 2018 21:42:54 +0200
- Subject: Re: [PATCH] Small x86 debug info improvement (PR debug/83157)
- References: <20180322214945.GY8577@tucnak>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
Hi!
On Thu, Mar 22, 2018 at 10:49:45PM +0100, Jakub Jelinek wrote:
I'd like to ping this patch:
> Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
>
> 2018-03-22 Jakub Jelinek <jakub@redhat.com>
>
> PR debug/83157
> * var-tracking.c (add_stores): Handle STRICT_LOW_PART SET_DEST.
> * cselib.c (cselib_record_sets): For STRICT_LOW_PART dest,
> lookup if dest in some wider mode is known to be const0_rtx and
> if so, record permanent equivalence for it to be ZERO_EXTEND of
> the narrower mode destination.
Thanks
Jakub