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Re: [PATCH] Fix PR69547
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Richard Biener <rguenther at suse dot de>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Fri, 29 Jan 2016 09:53:32 +0100
- Subject: Re: [PATCH] Fix PR69547
- Authentication-results: sourceware.org; auth=none
- References: <alpine dot LSU dot 2 dot 11 dot 1601290939550 dot 31122 at t29 dot fhfr dot qr>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Fri, Jan 29, 2016 at 09:40:48AM +0100, Richard Biener wrote:
> I am testing the following patch to fix a regression that we no longer
> remove some empty loops.
Doesn't this mean that DCE will remove the clobbers as unnecessary, even
when they aren't in empty loops?
Jakub