From: Jeff Law <law@redhat.com>
To: Richard Biener <rguenther@suse.de>
Cc: ramrad01@arm.com, Kyrill Tkachov <kyrylo.tkachov@arm.com>,
Jakub Jelinek <jakub@redhat.com>,
GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH][RFC][match.pd] optimize (X & C) == N when C is power of 2
Date: Mon, 27 Jul 2015 16:00:00 -0000 [thread overview]
Message-ID: <55B64E1A.9050400@redhat.com> (raw)
In-Reply-To: <alpine.LSU.2.11.1507270931460.19642@zhemvz.fhfr.qr>
On 07/27/2015 01:36 AM, Richard Biener wrote:
>
> I think it also aligns with the idea of pushing back RTL expansion and
> expose some target specifics after another GIMPLE lowering phase.
> I'm also thinking of addressing-mode selection and register promotion.
>
> So at least if we think of that target specific match.pd pass as
> containing all RTL expansion tricks done with TER only then it
> should be quite simple to make it work.
Yea -- I was also thinking it might allow us to clean up some of the
actual expansion code as well. It seems promising enough for some
experimentation.
jeff
next prev parent reply other threads:[~2015-07-27 15:54 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-24 8:21 Kyrill Tkachov
2015-07-24 8:36 ` Jakub Jelinek
2015-07-24 8:54 ` Kyrill Tkachov
2015-07-24 9:09 ` Richard Biener
2015-07-24 9:09 ` Kyrill Tkachov
2015-07-24 9:22 ` Ramana Radhakrishnan
2015-07-24 9:16 ` Jakub Jelinek
2015-07-24 9:31 ` Kyrill Tkachov
2015-07-24 9:36 ` Richard Biener
2015-07-24 10:11 ` Jakub Jelinek
2015-07-24 10:25 ` Ramana Radhakrishnan
2015-07-24 18:44 ` Jeff Law
2015-07-27 8:17 ` Richard Biener
2015-07-27 16:00 ` Jeff Law [this message]
2015-07-25 2:37 ` Segher Boessenkool
2015-07-27 8:23 ` Kyrill Tkachov
2015-07-27 15:54 ` Segher Boessenkool
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