1 files changed, 6 insertions, 1 deletions

diff --git a/src/lj_asm_ppc.h b/src/lj_asm_ppc.h
index 5ea4d47d..546b8e5d 100644
--- a/src/lj_asm_ppc.h
+++ b/src/lj_asm_ppc.h
@@ -1169,7 +1169,12 @@ dotypecheck:
   } else {
     if ((ir->op2 & IRSLOAD_TYPECHECK)) {
       asm_guardcc(as, CC_NE);
-      emit_ai(as, PPCI_CMPWI, RID_TMP, irt_toitype(t));
+      if ((ir->op2 & IRSLOAD_KEYINDEX)) {
+        emit_ai(as, PPCI_CMPWI, RID_TMP, (LJ_KEYINDEX & 0xffff));
+        emit_asi(as, PPCI_XORIS, RID_TMP, RID_TMP, (LJ_KEYINDEX >> 16));
+      } else {
+        emit_ai(as, PPCI_CMPWI, RID_TMP, irt_toitype(t));
+      }
       type = RID_TMP;
     }
     if (ra_hasreg(dest)) emit_tai(as, PPCI_LWZ, dest, base, ofs);