Sorry for long time no update of subreg stuff. I am working on it but recently get stuck in other project and I will be back after I finish my recent project :)
juzhe.zh...@rivai.ai From: Jeff Law Date: 2024-08-15 05:55 To: Jeff Law; Xianmiao Qu; gcc-patches; roger; juzhe.zhong; richard.sandiford Subject: Re: [PATCH] Re-add calling emit_clobber in lower-subreg.cc's resolve_simple_move. On 8/14/24 3:53 PM, Richard Sandiford wrote: > > FWIW, I think the work to add a df subreg liveness tracking problem > and use it in LRA/IRA would solve the live range problem without needing > a clobber. I wonder how that's going? In my last review I suggested > a change in representation (a single bitmap rather than per-register > bitmaps), but the general approach was good and very welcome. Hope I > didn't scupper the whole thing :( I think Lehua may have left rivai, so I'm not sure there's someone working on it right now. jeff