On Thu, Apr 23, 2020 at 5:19 PM Richard Henderson <richard.hender...@linaro.org> wrote: > > On 4/23/20 6:59 AM, Laurent Desnogues wrote: > > 2. sve_zip_p > > > > This generates extraneous data in the higher part of the result. > > > > I hit this when I got a wrong result on an instruction that ends up > > using sve_cntp which counts all bits set in each 64-bit chunk. There > > might be some other instructions beyond ZIP that generate extra data > > that would break sve_cntp. So perhaps it'd be easier to fix sve_cmtp > > (and hope that it's the only function that uses bits beyond vector > > length...). > > There are quite a few places that assume (and some that assert, such as the > load/store paths) that there are no predicate bits set beyond VL. > > I will fix zip.
Looking at the code I think sve_punpk_p is affected too. Thanks, Laurent > > > r~
