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From: "Joseph S. Myers" <>
To: Roland McGrath <>
Cc: <>
Subject: Re: [PATCH roland/arm-memcpy-fix] ARM: Fix memcpy computed-jump calculations for ARM_ALWAYS_BX case.
Date: Fri, 22 Nov 2013 19:40:00 -0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, 21 Nov 2013, Roland McGrath wrote:

> I flubbed the first version (and its testing!) of this, so it worked in the
> synthetic situation on GNU/Linux as I was testing, but did not work in the
> actual Native Client situation that motivated the change.  For this fix I
> tested on arm-linux-gnueabi with arm-features.h hacked to define
> define 'bx' as a macro for 'nop;bx' to simulate the Native Client build
> where it's defined as a macro that expands to two instructions.  The last
> hack (the 'bx' macro) is what was missing in my testing of the original
> version; testing the trunk code with that hack demonstrated the bug.
> OK for trunk?


Joseph S. Myers

  reply	other threads:[~2013-11-22 13:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-22 13:38 Roland McGrath
2013-11-22 19:40 ` Joseph S. Myers [this message]
2013-11-25  9:14   ` Roland McGrath

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