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From: Christophe Lyon <christophe.lyon@linaro.org>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: Michael Collison <michael.collison@linaro.org>,
	Andrew Pinski <pinskia@gmail.com>,
		GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [AArch64] Fix predicate and constraint mismatch in logical atomic operations
Date: Thu, 09 Oct 2014 12:28:00 -0000	[thread overview]
Message-ID: <CAKdteOYe1ePowmaHX9KUfeJFnE3_JDvK_T3+FWk-TcHLGLRpMg@mail.gmail.com> (raw)
In-Reply-To: <20140925193048.GC3802@gate.crashing.org>

On 25 September 2014 21:30, Segher Boessenkool
<segher@kernel.crashing.org> wrote:
> On Thu, Sep 25, 2014 at 10:33:17AM -0700, Michael Collison wrote:
>> The problem is the "CONST_INT 0", not a large constant. This constant is
>> not accepted by the predicate, but is accepted by the constraint.
>
> Yes, bad choice of words, sorry.  Just read "big" as "not matching the
> predicate".  The point is that everything works fine until RA, and that
> makes it hard to make a useful test.
>

Hi,

IIUC, a testcase is not required/practicable.
So, may I ping this patch?
https://gcc.gnu.org/ml/gcc-patches/2014-09/msg02209.html

Thanks,

Christophe.

>
> Segher
>
>
> p.s.  Please don't top-post.  Thanks.

  reply	other threads:[~2014-10-09 12:20 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-25  3:45 Michael Collison
2014-09-25  4:01 ` Andrew Pinski
2014-09-25  4:08   ` Michael Collison
2014-09-25  4:10     ` Andrew Pinski
2014-09-25  4:13       ` Michael Collison
2014-09-25  4:17         ` Andrew Pinski
2014-09-25 10:12           ` Segher Boessenkool
2014-09-25 17:33             ` Michael Collison
2014-09-25 19:30               ` Segher Boessenkool
2014-10-09 12:28                 ` Christophe Lyon [this message]
2014-11-04 10:44 ` Marcus Shawcroft
2015-05-08 10:42   ` Richard Biener
2015-06-15 12:20     ` Christophe Lyon
2015-06-16  8:36       ` Christophe Lyon
2015-06-16 10:31         ` Christophe Lyon

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