On Sun, Nov 15, 2020 at 12:08:22PM -0500, Vladimir Makarov via Gcc-patches
wrote:
> --- a/gcc/lra.c
> +++ b/gcc/lra.c
> @@ -1903,15 +1903,23 @@ lra_process_new_insns (rtx_insn *insn, rtx_insn
> *before, rtx_insn *after,
> {
> /* We already made the edge no-critical in ir
My last patch implementing output reloads in asm goto resulted in LRA
crash in compiling kernel on s390x. Jeff Law reported it recently. The
culprit was in incorrect emitting reload insns in last empty BB. The
emitted insns got null BB which is wrong. Actually in this case we do
not need to
