src/hotspot/cpu/x86/c1_LIRGenerator_x86.cpp

rev 51436 : 8209667: Explicit barriers for C1/LIR

*** 995,1004 ****
--- 995,1008 ----
          __ convert(Bytecodes::_i2l, index, tmp);
          index = tmp;
        }
  #endif
  
+       if (is_updateBytes) {
+         base_op = access_resolve(IN_HEAP | IS_NOT_NULL | ACCESS_READ, base_op, NULL);
+       }
+ 
        LIR_Address* a = new LIR_Address(base_op,
                                         index,
                                         offset,
                                         T_BYTE);
        BasicTypeList signature(3);
*** 1052,1070 ****
    LIR_Opr result_aOffset = aOffset.result();
    if (result_aOffset->is_constant()) {
      constant_aOffset = result_aOffset->as_jlong();
      result_aOffset = LIR_OprFact::illegalOpr;
    }
!   LIR_Opr result_a = a.result();
  
    long constant_bOffset = 0;
    LIR_Opr result_bOffset = bOffset.result();
    if (result_bOffset->is_constant()) {
      constant_bOffset = result_bOffset->as_jlong();
      result_bOffset = LIR_OprFact::illegalOpr;
    }
!   LIR_Opr result_b = b.result();
  
  #ifndef _LP64
    result_a = new_register(T_INT);
    __ convert(Bytecodes::_l2i, a.result(), result_a);
    result_b = new_register(T_INT);
--- 1056,1074 ----
    LIR_Opr result_aOffset = aOffset.result();
    if (result_aOffset->is_constant()) {
      constant_aOffset = result_aOffset->as_jlong();
      result_aOffset = LIR_OprFact::illegalOpr;
    }
!   LIR_Opr result_a = access_resolve(IN_HEAP | ACCESS_READ, a.result(), NULL);
  
    long constant_bOffset = 0;
    LIR_Opr result_bOffset = bOffset.result();
    if (result_bOffset->is_constant()) {
      constant_bOffset = result_bOffset->as_jlong();
      result_bOffset = LIR_OprFact::illegalOpr;
    }
!   LIR_Opr result_b = access_resolve(IN_HEAP | ACCESS_READ, b.result(), NULL);
  
  #ifndef _LP64
    result_a = new_register(T_INT);
    __ convert(Bytecodes::_l2i, a.result(), result_a);
    result_b = new_register(T_INT);