All of lore.kernel.org
 help / color / mirror / Atom feed
From: Claudio Fontana <claudio.fontana@huawei.com>
To: Richard Henderson <rth@twiddle.net>
Cc: Peter Maydell <peter.maydell@linaro.org>,
	qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64
Date: Thu, 16 May 2013 16:39:20 +0200	[thread overview]
Message-ID: <5194EF98.4030007@huawei.com> (raw)
In-Reply-To: <519255F9.2050604@twiddle.net>

On 14.05.2013 17:19, Richard Henderson wrote:
> On 05/14/2013 05:25 AM, Peter Maydell wrote:
>>> Yes, I agree. I could not find an image which triggered that
>>>> code path for register rotation amounts.
>> Try PPC : rlwmn will generate a rotl (as will other insns).
>>
> 
> rlwmn will only generate constant rotations; at issue are
> variable rotations.
> 
> Those ought be be generatable with current sources and x86
> 32-bit or 64-bit rotate insns though.  That cleanup was done
> during this release cycle, so if Claudio's testing was on a
> previous release...

Indeed, I was able to test that codepath today after rebasing on current QEMU.

We are working on a new patchset that tries to incorporate the changes discussed up to now.

Thanks,

Claudio

  reply	other threads:[~2013-05-16 14:40 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-14 15:57 [Qemu-devel] QEMU aarch64 TCG target Claudio Fontana
2013-03-14 16:16 ` Peter Maydell
2013-05-06 12:56   ` [Qemu-devel] QEMU aarch64 TCG target - testing question about x86-64 Claudio Fontana
2013-05-06 13:27     ` Paolo Bonzini
2013-05-13 13:22       ` [Qemu-devel] [PATCH 0/3] ARM aarch64 TCG target Claudio Fontana
2013-05-13 13:28         ` [Qemu-devel] [PATCH 1/3] configure: permit compilation on arm aarch64 Claudio Fontana
2013-05-13 18:29           ` Peter Maydell
2013-05-14  8:19             ` Claudio Fontana
2013-05-13 13:31         ` [Qemu-devel] [PATCH 2/3] include/elf.h: add aarch64 ELF machine and relocs Claudio Fontana
2013-05-13 18:34           ` Peter Maydell
2013-05-14  8:24             ` Claudio Fontana
2013-05-13 13:33         ` [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64 Claudio Fontana
2013-05-13 18:28           ` Peter Maydell
2013-05-14 12:01             ` Claudio Fontana
2013-05-14 12:25               ` Peter Maydell
2013-05-14 15:19                 ` Richard Henderson
2013-05-16 14:39                   ` Claudio Fontana [this message]
2013-05-14 12:41               ` Laurent Desnogues
2013-05-13 19:49           ` Richard Henderson
2013-05-14 14:05             ` Claudio Fontana
2013-05-14 15:16               ` Richard Henderson
2013-05-14 16:26                 ` Richard Henderson
2013-05-06 13:42     ` [Qemu-devel] QEMU aarch64 TCG target - testing question about x86-64 Peter Maydell
2013-05-23  8:09 ` [Qemu-devel] [PATCH 0/4] ARM aarch64 TCG target VERSION 2 Claudio Fontana
2013-05-23  8:14   ` [Qemu-devel] [PATCH 1/4] include/elf.h: add aarch64 ELF machine and relocs Claudio Fontana
2013-05-23 13:18     ` Peter Maydell
2013-05-28  8:09     ` Laurent Desnogues
2013-05-23  8:18   ` [Qemu-devel] [PATCH 2/4] tcg/aarch64: implement new TCG target for aarch64 Claudio Fontana
2013-05-23 16:29     ` Richard Henderson
2013-05-24  8:53       ` Claudio Fontana
2013-05-24 17:02         ` Richard Henderson
2013-05-24 17:08           ` Peter Maydell
2013-05-24 17:17             ` Richard Henderson
2013-05-24 17:28               ` Peter Maydell
2013-05-24 17:54                 ` Richard Henderson
2013-05-27 11:43           ` Claudio Fontana
2013-05-27 18:47             ` Richard Henderson
2013-05-27 21:14               ` [Qemu-devel] [PATCH 3/3] " Laurent Desnogues
2013-05-28 13:01                 ` Claudio Fontana
2013-05-28 13:09                   ` Laurent Desnogues
2013-05-28  7:17               ` [Qemu-devel] [PATCH 2/4] " Claudio Fontana
2013-05-28 14:52                 ` Richard Henderson
2013-05-23 16:39     ` Peter Maydell
2013-05-24  8:51       ` Claudio Fontana
2013-05-27  9:10         ` Claudio Fontana
2013-05-27 10:40           ` Peter Maydell
2013-05-27 17:05           ` Richard Henderson
2013-05-27  9:47     ` Laurent Desnogues
2013-05-27 10:13       ` Claudio Fontana
2013-05-27 10:28         ` Laurent Desnogues
2013-05-28 13:14     ` Laurent Desnogues
2013-05-28 14:37       ` Claudio Fontana
2013-05-23  8:19   ` [Qemu-devel] [PATCH 3/4] configure: permit compilation on arm aarch64 Claudio Fontana
2013-05-23 13:24     ` Peter Maydell
2013-05-23  8:22   ` [Qemu-devel] [PATCH 4/4] tcg/aarch64: more ops in preparation of tlb lookup Claudio Fontana
2013-05-23 12:37   ` [Qemu-devel] [PATCH 0/4] ARM aarch64 TCG target VERSION 2 Andreas Färber
2013-05-23 12:50     ` Peter Maydell
2013-05-23 12:53       ` Andreas Färber
2013-05-23 13:03         ` Peter Maydell
2013-05-23 13:27           ` Claudio Fontana

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5194EF98.4030007@huawei.com \
    --to=claudio.fontana@huawei.com \
    --cc=pbonzini@redhat.com \
    --cc=peter.maydell@linaro.org \
    --cc=qemu-devel@nongnu.org \
    --cc=rth@twiddle.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.