From: Segher Boessenkool <segher@kernel.crashing.org>
To: Alex Velenko <alex.velenko@arm.com>
Cc: gcc-patches@gcc.gnu.org, Marcus.Shawcroft@arm.com
Subject: Re: [PATCH] [RTL] Relax CSE check to set REG_EQUAL notes.
Date: Fri, 06 Mar 2015 12:24:00 -0000 [thread overview]
Message-ID: <20150306122437.GA31245@gate.crashing.org> (raw)
In-Reply-To: <1425467354-6018-1-git-send-email-alex.velenko@arm.com>
On Wed, Mar 04, 2015 at 11:09:14AM +0000, Alex Velenko wrote:
> I prefer adding notes in CSE instead of adding additional checks in Jump2
> and, if any, other passes, as I think it is more uniform solution and allows
> single point fix. Downside is having more notes.
The other downside is that every other RTL producer will have to add
these notes as well, or passes that look at this info will have to look
at the insns themselves anyway. Not a good trade-off in my opinion.
Just add a simple helper function to do these checks (isn't there one
already)?
Segher
next prev parent reply other threads:[~2015-03-06 12:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-04 11:09 Alex Velenko
2015-03-06 12:24 ` Segher Boessenkool [this message]
2015-03-09 9:54 ` Steven Bosscher
2015-03-09 17:40 ` Jeff Law
2015-04-10 9:14 ` Alex Velenko
2015-04-24 1:17 ` Jeff Law
2015-04-24 12:52 ` Alex Velenko
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