https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106694
--- Comment #11 from JuzheZhong <juzhe.zhong at rivai dot ai> --- (In reply to Richard Sandiford from comment #10) > Some of the SME changes I'm working on fix this, but I'm not sure how widely > we'll be able to use them on non-SME code. Assigning myself just in case. Hi, Richard. We are going to fix subreg issue by subreg liveness tracking on IRA/LRA. Hopefully today.