8294578: [PPC64] C2: Missing is_oop information when using disjoint c…

…ompressed oops mode Backport-of: f03934e270aa86de3c6832f9754caba05726726b
openjdk · Oct 20, 2022 · feb6b3c · feb6b3c · openjdk-notifier · Oct 20, 2022
1 parent fe4819b
commit feb6b3c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/hotspot/cpu/ppc/ppc.ad b/src/hotspot/cpu/ppc/ppc.ad
@@ -6834,6 +6834,9 @@ instruct decodeN_Disjoint_notNull_Ex(iRegPdst dst, iRegNsrc src) %{
     n2->_opnds[2] = op_dst;
     n2->_bottom_type = _bottom_type;
 
+    assert(ra_->is_oop(this) == true, "A decodeN node must produce an oop!");
+    ra_->set_oop(n2, true);
+
     ra_->set_pair(n1->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this));
     ra_->set_pair(n2->_idx, ra_->get_reg_second(this), ra_->get_reg_first(this));