From: "Radim Krčmář" <rkrcmar@redhat.com>
To: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: kvm@vger.kernel.org
Subject: Re: [kvm-unit-tests PATCH] x86/hyperv_clock: be explicit about mul instruction data size
Date: Fri, 12 May 2017 17:10:38 +0200 [thread overview]
Message-ID: <20170512151037.GA13216@potion> (raw)
In-Reply-To: <1494532746-5555-1-git-send-email-thomas.petazzoni@free-electrons.com>
2017-05-11 21:59+0200, Thomas Petazzoni:
> With gcc 4.7.2, the build fails with:
>
> x86/hyperv_clock.c: Assembler messages:
> x86/hyperv_clock.c:21: Error: no instruction mnemonic suffix given and no register operands; can't size instruction
>
> In order to avoid this, make the mul instruction data size explicit by
> adding the appropriate suffix. It operates on 64-bit data, so use
> "mulq".
>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> ---
Applied, thanks.
prev parent reply other threads:[~2017-05-12 15:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-11 19:59 [kvm-unit-tests PATCH] x86/hyperv_clock: be explicit about mul instruction data size Thomas Petazzoni
2017-05-12 15:10 ` Radim Krčmář [this message]
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