src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.asm.aarch64/src/org/graalvm/compiler/asm/aarch64/AArch64MacroAssembler.java

rev 52509 : [mq]: graal2

*** 1474,1483 ****
--- 1474,1491 ----
      public void nop() {
          super.hint(SystemHint.NOP);
      }
  
      /**
+      * Consumption of Speculative Data Barrier. This is a memory barrier that controls speculative
+      * execution and data value prediction.
+      */
+     public void csdb() {
+         super.hint(SystemHint.CSDB);
+     }
+ 
+     /**
       * Same as {@link #nop()}.
       */
      @Override
      public void ensureUniquePC() {
          nop();