https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108754
--- Comment #1 from Vladimir Makarov <vmakarov at gcc dot gnu.org> ---
I think the problem is that cris uses the old reload pass. Could you check the
following patch:
diff --git a/gcc/ira.cc b/gcc/ira.cc
index d0b6ea062e8..9f9af808f63 100644
--- a/gcc/ira.cc
+++ b/gcc/ira.cc
@@ -3773,7 +3773,7 @@ update_equiv_regs (void)
{
note = set_unique_reg_note (insn, REG_EQUIV,
replacement);
}
- else
+ else if (ira_use_lra_p)
{
/* We still can use this equivalence for caller save
optimization in LRA. Mark this. */