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From: David Brown <david@westcontrol.com>
To: Cody Rigney <codyrigney92@gmail.com>, Andrew Haley <aph@redhat.com>
Cc: <gcc-help@gcc.gnu.org>
Subject: Re: Compiler optimizing variables in inline assembly
Date: Fri, 21 Feb 2014 09:55:00 -0000	[thread overview]
Message-ID: <53072297.2050206@westcontrol.com> (raw)
In-Reply-To: <CA+1=iYbK=iDVKhvPESrbseF5nsB-U2oBBBjTiEyveuEkxVeZGw@mail.gmail.com>

On 20/02/14 20:29, Cody Rigney wrote:
> That makes sense.  In this case, the input parameters are actually
> memory addresses.  So how would I do an output or clobber that would
> tell the compiler that the memory at those addresses will change?
> 

Easy - you specify "memory" in your clobber list!

> Thanks for your time,
> 
> Cody
> 

(I forgot the "reply all" to the list - sorry for the duplicate.)

  parent reply	other threads:[~2014-02-21  9:55 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-19 19:05 Cody Rigney
2014-02-20  9:14 ` Andrew Haley
2014-02-20 19:30   ` Cody Rigney
2014-02-21  9:53     ` Andrew Haley
2014-02-21 14:06       ` Cody Rigney
2014-02-21 15:02         ` Andrew Haley
2014-02-21 15:20           ` Cody Rigney
2014-02-27 13:18             ` Cody Rigney
2014-02-27 14:03               ` Andrew Haley
2014-02-27 18:34                 ` Cody Rigney
2014-02-21  9:54     ` David Brown
2014-02-21  9:55     ` David Brown [this message]
2014-02-20  9:54 ` David Brown
2014-02-20 19:39   ` Cody Rigney
2014-02-21 10:15     ` David Brown
2014-02-21 14:11       ` Cody Rigney

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