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From: Richard Henderson <rth@twiddle.net>
To: Pranith Kumar <bobby.prani@gmail.com>, alex.bennee@linaro.org
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v4 3/3] tcg/aarch64: Enable indirect jump path using LDR (literal)
Date: Mon, 3 Jul 2017 14:14:39 -0700	[thread overview]
Message-ID: <a1aecc41-88ea-71c7-0243-b200aebbb6f7@twiddle.net> (raw)
In-Reply-To: <20170630143614.31059-3-bobby.prani@gmail.com>

On 06/30/2017 07:36 AM, Pranith Kumar wrote:
> This patch enables the indirect jump path using an LDR (literal)
> instruction. It will be interesting to test and see which performs
> better among the two paths.
> 
> CC: Alex Bennée <alex.bennee@linaro.org>
> Reviewed-by: Richard Henderson <rth@twiddle.net>
> Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>

Applied all to tcg-next.

Bonus points for converting USE_DIRECT_JUMP to a run-time flag, perhaps 
controllable by a -d bit.  That would further enable easy benchmarking of the 
two paths.


r~

      reply	other threads:[~2017-07-03 21:14 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-30 14:36 [Qemu-devel] [PATCH v4 1/3] tcg/aarch64: Introduce and use long branch to register Pranith Kumar
2017-06-30 14:36 ` [Qemu-devel] [PATCH v4 2/3] tcg/aarch64: Use ADRP+ADD to compute target address Pranith Kumar
2017-06-30 16:08   ` Richard Henderson
2017-06-30 14:36 ` [Qemu-devel] [PATCH v4 3/3] tcg/aarch64: Enable indirect jump path using LDR (literal) Pranith Kumar
2017-07-03 21:14   ` Richard Henderson [this message]

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