From: Tobias Grosser <tobias@grosser.es>
To: Sebastian Pop <s.pop@samsung.com>, gcc-patches@gcc.gnu.org
Cc: sebpop@gmail.com, aditya.k7@samsung.com, richard.guenther@gmail.com
Subject: Re: [PATCH 2/2] call scev analysis in scop-detection as in sese-to-poly
Date: Thu, 01 Oct 2015 08:00:00 -0000 [thread overview]
Message-ID: <560CE82C.7010703@grosser.es> (raw)
In-Reply-To: <1443651097-407-2-git-send-email-s.pop@samsung.com>
On 10/01/2015 12:11 AM, Sebastian Pop wrote:
> Before our rewrite of the scop detection, we used to not have a valid SESE
> region under hand, and so we used to do more ad-hoc analysis of data references
> by trying to prove that at all levels of a loop nest the data references would
> be still valid.
>
> Now that we have a valid SESE region, we can call the scev analysis in the same
> way on the same computed loop nest in the scop-detection as in the sese-to-poly.
>
> Next step will be to cache the data references analyzed in the scop detection
> and not compute the same info in sese-to-poly.
>
> The patch fixes block-1.f90 that used to ICE on x86_64-linux when compiled with
> -m32. Patch passed bootstrap with BOOT_CFLAGS="-g -O2 -fgraphite-identity
> -floop-nest-optimize" and check on x86_64-linux using ISL-0.15.
Nice.
Tobias
prev parent reply other threads:[~2015-10-01 8:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-30 23:58 [PATCH 1/2] add recursion on the inner loops Sebastian Pop
[not found] ` <1443651097-407-2-git-send-email-s.pop@samsung.com>
2015-10-01 8:00 ` Tobias Grosser [this message]
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