src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp

rev 52851 : Streamline CAS barriers, C2 ideal graph generation and matching

*** 168,179 ****
  
    if (n->Opcode() == Op_LoadP ||
        n->Opcode() == Op_LoadN ||
        n->Opcode() == Op_GetAndSetP ||
        n->Opcode() == Op_CompareAndExchangeP ||
        n->Opcode() == Op_GetAndSetN ||
!       n->Opcode() == Op_CompareAndExchangeN) {
      return true;
    }
    if (n->Opcode() == Op_DecodeN ||
        n->Opcode() == Op_EncodeP) {
      return needs_barrier_impl(phase, orig, n->in(1), rb_mem, allow_fromspace, visited);
--- 168,181 ----
  
    if (n->Opcode() == Op_LoadP ||
        n->Opcode() == Op_LoadN ||
        n->Opcode() == Op_GetAndSetP ||
        n->Opcode() == Op_CompareAndExchangeP ||
+       n->Opcode() == Op_ShenandoahCompareAndExchangeP ||
        n->Opcode() == Op_GetAndSetN ||
!       n->Opcode() == Op_CompareAndExchangeN ||
!       n->Opcode() == Op_ShenandoahCompareAndExchangeN) {
      return true;
    }
    if (n->Opcode() == Op_DecodeN ||
        n->Opcode() == Op_EncodeP) {
      return needs_barrier_impl(phase, orig, n->in(1), rb_mem, allow_fromspace, visited);