From: Vic3Dexe <vic3dexe@gmail.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [Bug 600589] [NEW] xchg r8,rax treated as nop
Date: Thu, 01 Jul 2010 12:04:34 -0000 [thread overview]
Message-ID: <20100701120434.6052.96178.malonedeb@potassium.ubuntu.com> (raw)
In-Reply-To: 20100701120434.6052.96178.malonedeb@potassium.ubuntu.com
Public bug reported:
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.
** Affects: qemu
Importance: Undecided
Status: New
--
xchg r8,rax treated as nop
https://bugs.launchpad.net/bugs/600589
You received this bug notification because you are a member of qemu-
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Status in QEMU: New
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.
next parent reply other threads:[~2010-07-01 12:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-01 12:04 Vic3Dexe [this message]
2010-07-01 16:17 ` [Qemu-devel] [Bug 600589] [NEW] xchg r8,rax treated as nop Richard Henderson
2010-07-01 16:42 ` [Qemu-devel] [PATCH] target-i386: Fix xchg rax,r8 Richard Henderson
2010-07-01 21:52 ` Aurelien Jarno
2010-07-01 16:43 ` [Qemu-devel] [Bug 600589] [NEW] xchg r8,rax treated as nop malc
2010-07-02 19:13 ` vic3dexe
2010-07-02 20:08 ` Richard Henderson
2010-07-06 13:00 ` [Qemu-devel] [Bug 600589] " Jes Sorensen
2011-02-20 17:13 ` Aurelien Jarno
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