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From: Jan Hubicka <hubicka@ucw.cz>
To: Andrew Pinski <pinskia@gmail.com>
Cc: Jan Hubicka <jh@suse.cz>, Michael Matz <matz@suse.de>,
		Andi Kleen <ak@suse.de>,
	gcc-patches@gcc.gnu.org
Subject: Re: "+m" constraints bogus?
Date: Wed, 25 Jul 2007 09:22:00 -0000	[thread overview]
Message-ID: <20070725065444.GA27434@atrey.karlin.mff.cuni.cz> (raw)
In-Reply-To: <de8d50360707241144w7b823be4xbbf8ce2e651c6b0c@mail.gmail.com>

> On 7/24/07, Jan Hubicka <jh@suse.cz> wrote:
> >I will try to find the original Jason's problem, does anyone recall?
> 
> well the gimplifier no longer allows "+m" to pass to expand, we always
> expoand the constraints.

Yep, I noticed we decompose it now, however it still does not quite
answer whether we can accept +m now or not... (ie whether there exists
testcases where reload desynchronize input and output constraint for
some good reason).

Honza

  reply	other threads:[~2007-07-25  6:54 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200707231815.49723.ak@suse.de>
2007-07-23 17:37 ` Jan Hubicka
2007-07-24 16:51   ` Michael Matz
2007-07-24 18:18     ` Jan Hubicka
2007-07-24 18:53       ` Andrew Pinski
2007-07-25  9:22         ` Jan Hubicka [this message]
2007-07-25 13:23       ` Michael Matz
2007-07-25 15:59         ` Jan Hubicka
2007-07-25 16:02           ` Michael Matz
2007-07-25 16:10             ` Jan Hubicka
2007-07-25 16:11               ` Michael Matz
2007-07-25 18:45                 ` Jan Hubicka

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