On Tue, Dec 04, 2018 at 12:10:05PM -0800, David Miller wrote: > From: Alexei Starovoitov <alexei.starovoi...@gmail.com> > Date: Tue, 4 Dec 2018 11:29:55 -0800 > > > I guess sparc doesn't really have 32 subregisters. All registers > > are considered 64-bit. It has 32-bit alu ops on 64-bit registers > > instead. > > Right. > > Anyways, sparc will require two instructions because of this, the > 'sra' then a 'srl' by zero bits to clear the top 32-bits. > > I'll code up the sparc JIT part when this goes in.
You already did :) As far as I can see sparc64 JIT supports it properly. Just like x64. Hence the patches for these JITs are missing in Joing's set.