# HG changeset patch
# User goetz
# Date 1474966028 -7200
# Node ID 15b253e25cee366a28e80791c4965095ba776356
# Parent  2941666de7b825a7fe36040f70368d2f8d000280
8166765: [ppc] Port "8163014: Mysterious/wrong value for long frame local variable on 64-bit"

diff --git a/src/cpu/ppc/vm/interp_masm_ppc_64.cpp b/src/cpu/ppc/vm/interp_masm_ppc_64.cpp
--- a/src/cpu/ppc/vm/interp_masm_ppc_64.cpp
+++ b/src/cpu/ppc/vm/interp_masm_ppc_64.cpp
@@ -261,6 +261,9 @@
 }
 
 void InterpreterMacroAssembler::push_l(Register r) {
+  // Clear unused slot.
+  load_const_optimized(R0, 0L);
+  std(R0, 0, R15_esp);
   std(r, - Interpreter::stackElementSize, R15_esp);
   addi(R15_esp, R15_esp, - 2 * Interpreter::stackElementSize );
 }