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
