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Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for a
From: |
Claudio Fontana |
Subject: |
Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64 |
Date: |
Thu, 16 May 2013 16:39:20 +0200 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; rv:17.0) Gecko/20130509 Thunderbird/17.0.6 |
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
- Re: [Qemu-devel] QEMU aarch64 TCG target - testing question about x86-64, (continued)
- Re: [Qemu-devel] QEMU aarch64 TCG target - testing question about x86-64, Paolo Bonzini, 2013/05/06
- [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64, Claudio Fontana, 2013/05/13
- Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64, Peter Maydell, 2013/05/13
- Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64, Claudio Fontana, 2013/05/14
- Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64, Peter Maydell, 2013/05/14
- Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64, Richard Henderson, 2013/05/14
- Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64,
Claudio Fontana <=
- Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64, Laurent Desnogues, 2013/05/14
- Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64, Richard Henderson, 2013/05/13
- Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64, Claudio Fontana, 2013/05/14
- Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64, Richard Henderson, 2013/05/14
- Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64, Richard Henderson, 2013/05/14
- [Qemu-devel] [PATCH 1/3] configure: permit compilation on arm aarch64, Claudio Fontana, 2013/05/13
- Re: [Qemu-devel] [PATCH 1/3] configure: permit compilation on arm aarch64, Peter Maydell, 2013/05/13
- Re: [Qemu-devel] [PATCH 1/3] configure: permit compilation on arm aarch64, Claudio Fontana, 2013/05/14
Re: [Qemu-devel] QEMU aarch64 TCG target - testing question about x86-64, Peter Maydell, 2013/05/06