From: Torbjorn Granlund <tg@gmplib.org>
To: Aurelien Jarno <aurelien@aurel32.net>
Cc: qemu-devel@nongnu.org, Torbjorn Granlund <tg@gmplib.org>,
qemu-ppc@nongnu.org, Alexander Graf <agraf@suse.de>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [Qemu-devel] [PATCH] PPC: Introduce 32bit only cmp ops
Date: Wed, 08 May 2013 12:34:26 +0200 [thread overview]
Message-ID: <861u9hoj4d.fsf@shell.gmplib.org> (raw)
In-Reply-To: <20130508102910.GQ5000@ohm.aurel32.net> (Aurelien Jarno's message of "Wed\, 8 May 2013 12\:29\:10 +0200")
Aurelien Jarno <aurelien@aurel32.net> writes:
You have to declare the L bit as invalid, so that trying to execute a
64-bit cmp* instruction on a 32-bit CPU causes an invalid instruction
exception.
Don't people read what I write?
I give up.
Goodbye.
--
Torbjörn
next prev parent reply other threads:[~2013-05-08 10:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-08 10:06 [Qemu-devel] [PATCH] PPC: Fix cmp on 32bit only targets Alexander Graf
2013-05-08 10:06 ` [Qemu-devel] [PATCH] PPC: Add 32bit instruction flag Alexander Graf
2013-05-08 10:06 ` [Qemu-devel] [PATCH] PPC: Introduce 32bit only cmp ops Alexander Graf
2013-05-08 10:29 ` Aurelien Jarno
2013-05-08 10:33 ` Alexander Graf
2013-05-08 10:34 ` Torbjorn Granlund [this message]
2013-05-08 10:38 ` Alexander Graf
2013-05-08 11:16 ` Aurelien Jarno
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