src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp

rev 56811 : 8233500: Shenandoah: Shenandoah load barrier should save registers before calling keep alive barrier on x86

*** 491,500 ****
--- 491,501 ----
  
        dst = result_dst;
      }
  
      if (ShenandoahKeepAliveBarrier && on_reference && keep_alive) {
+       __ push_IU_state();
        const Register thread = NOT_LP64(tmp_thread) LP64_ONLY(r15_thread);
        assert_different_registers(dst, tmp1, tmp_thread);
        NOT_LP64(__ get_thread(thread));
        // Generate the SATB pre-barrier code to log the value of
        // the referent field in an SATB buffer.
*** 503,512 ****
--- 504,514 ----
                                     dst /* pre_val */,
                                     thread /* thread */,
                                     tmp1 /* tmp */,
                                     true /* tosca_live */,
                                     true /* expand_call */);
+       __ pop_IU_state();
      }
    }
  }
  
  void ShenandoahBarrierSetAssembler::store_at(MacroAssembler* masm, DecoratorSet decorators, BasicType type,