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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Thu, 13 Apr 2017 13:09:12 +0800
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Subject: Re: [Qemu-devel] [PATCH 05/10] tcg: add jr opcode
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To: "Emilio G. Cota" <cota@braap.org>, qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>, Eduardo Habkost <ehabkost@redhat.com>, Peter Crosthwaite <crosthwaite.peter@gmail.com>, Stefan Weil <sw@weilnetz.de>, Claudio Fontana <claudio.fontana@huawei.com>, Alexander Graf <agraf@suse.de>, alex.bennee@linaro.org, qemu-arm@nongnu.org, Pranith Kumar <bobby.prani+qemu@gmail.com>, Aurelien Jarno <aurelien@aurel32.net>, Richard Henderson <rth@twiddle.net>



On 12/04/2017 09:17, Emilio G. Cota wrote:
> This will be used by TCG targets to implement a fast path
> for indirect branches.
> 
> I only have implemented and tested this on an i386 host, so
> make this opcode optional and mark it as not implemented by
> other TCG backends.

Please don't forget to document this in tcg/README.

Thanks,

Paolo