src/hotspot/share/gc/shared/c1/barrierSetC1.cpp

rev 56016 : 8229422: Taskqueue: Outdated selection of weak memory model platforms
Reviewed-by:

*** 157,167 ****
      gen->volatile_field_store(value, access.resolved_addr()->as_address_ptr(), access.access_emit_info());
    } else {
      __ store(value, access.resolved_addr()->as_address_ptr(), access.access_emit_info(), patch_code);
    }
  
!   if (is_volatile && !support_IRIW_for_not_multiple_copy_atomic_cpu) {
      __ membar();
    }
  }
  
  void BarrierSetC1::load_at_resolved(LIRAccess& access, LIR_Opr result) {
--- 157,167 ----
      gen->volatile_field_store(value, access.resolved_addr()->as_address_ptr(), access.access_emit_info());
    } else {
      __ store(value, access.resolved_addr()->as_address_ptr(), access.access_emit_info(), patch_code);
    }
  
!   if (is_volatile && !SUPPORT_IRIW_FOR_NOT_MULTI_COPY_ATOMIC_CPU) {
      __ membar();
    }
  }
  
  void BarrierSetC1::load_at_resolved(LIRAccess& access, LIR_Opr result) {
*** 170,180 ****
    bool is_volatile = (((decorators & MO_SEQ_CST) != 0) || AlwaysAtomicAccesses);
    bool needs_patching = (decorators & C1_NEEDS_PATCHING) != 0;
    bool mask_boolean = (decorators & C1_MASK_BOOLEAN) != 0;
    bool in_native = (decorators & IN_NATIVE) != 0;
  
!   if (support_IRIW_for_not_multiple_copy_atomic_cpu && is_volatile) {
      __ membar();
    }
  
    LIR_PatchCode patch_code = needs_patching ? lir_patch_normal : lir_patch_none;
    if (in_native) {
--- 170,180 ----
    bool is_volatile = (((decorators & MO_SEQ_CST) != 0) || AlwaysAtomicAccesses);
    bool needs_patching = (decorators & C1_NEEDS_PATCHING) != 0;
    bool mask_boolean = (decorators & C1_MASK_BOOLEAN) != 0;
    bool in_native = (decorators & IN_NATIVE) != 0;
  
!   if (SUPPORT_IRIW_FOR_NOT_MULTI_COPY_ATOMIC_CPU && is_volatile) {
      __ membar();
    }
  
    LIR_PatchCode patch_code = needs_patching ? lir_patch_normal : lir_patch_none;
    if (in_native) {