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Date: Sun, 20 Feb 2011 17:13:58 -0000
From: Aurelien Jarno <aurel32@debian.org>
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Subject: [Qemu-devel] [Bug 600589] Re: xchg r8,rax treated as nop
Reply-To: Bug 600589 <600589@bugs.launchpad.net>
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To: qemu-devel@nongnu.org

** Changed in: qemu
       Status: Fix Committed =3D> Fix Released

-- =

You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/600589

Title:
  xchg r8,rax treated as nop

Status in QEMU:
  Fix Released

Bug description:
  xchg r8,rax (49h 90h) executed as nop (90h) in long mode, in other
  words REX not used.

  qemu 0.12.4, host Win 7 x64,  running qemu-system-x86_64.exe.