Re: [Qemu-devel] [PATCH 3/3] tcg/aarch64: implement new TCG target for aarch64

[Claudio Fontana]

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