1 files changed, 4 insertions, 3 deletions

diff --git a/src/lj_asm_ppc.h b/src/lj_asm_ppc.h
index 12f5d79f..69a4aec2 100644
--- a/src/lj_asm_ppc.h
+++ b/src/lj_asm_ppc.h
@@ -187,10 +187,11 @@ static void asm_fusexref(ASMState *as, PPCIns pi, Reg rt, IRRef ref,
         ref = ir->op2;
       } else {
         /* NYI: Fuse ADD with constant. */
-        Reg right, left = ra_alloc2(as, ir, allow);
+        Reg tmp, right, left = ra_alloc2(as, ir, allow);
         right = (left >> 8); left &= 255;
-        emit_fai(as, pi, rt, rt, ofs);
-        emit_tab(as, PPCI_ADD, rt, left, right);
+        tmp = ra_scratch(as, rset_exclude(rset_exclude(allow, left), right));
+        emit_fai(as, pi, rt, tmp, ofs);
+        emit_tab(as, PPCI_ADD, tmp, left, right);
         return;
       }
       if (!checki16(ofs)) {