test/hotspot/jtreg/compiler/c2/aarch64/TestVolatiles.java

rev 58687 : Shenandoah: New incremental-update mode

*** 36,46 ****
   *                       TestUnsafeVolatileCAE,
   *                       TestUnsafeVolatileGAS}
   * and <testtype> in {G1,
   *                    Serial,
   *                    Parallel,
!  *                    Shenandoah}
   */
  
  
  package compiler.c2.aarch64;
  
--- 36,47 ----
   *                       TestUnsafeVolatileCAE,
   *                       TestUnsafeVolatileGAS}
   * and <testtype> in {G1,
   *                    Serial,
   *                    Parallel,
!  *                    Shenandoah,
!  *                    ShenandoahIU}
   */
  
  
  package compiler.c2.aarch64;
  
*** 91,100 ****
--- 92,108 ----
              argcount = 10;
              procArgs = new String[argcount];
              procArgs[argcount - 3] = "-XX:+UnlockExperimentalVMOptions";
              procArgs[argcount - 2] = "-XX:+UseShenandoahGC";
              break;
+         case "ShenandoahIU":
+             argcount = 11;
+             procArgs = new String[argcount];
+             procArgs[argcount - 4] = "-XX:+UnlockExperimentalVMOptions";
+             procArgs[argcount - 3] = "-XX:+UseShenandoahGC";
+             procArgs[argcount - 2] = "-XX:ShenandoahGCMode=iu";
+             break;
          default:
              throw new RuntimeException("unexpected test type " + testType);
          }
  
          // fill in arguments common to all cases
*** 321,330 ****
--- 329,339 ----
                      "dmb ish",
                      "strb"
                  };
                  break;
              case "Shenandoah":
+             case "ShenandoahIU":
                   // Shenandoah generates normal object graphs for
                   // volatile stores
                  matches = new String[] {
                      "membar_release \\(elided\\)",
                      useCompressedOops ? "stlrw?" : "stlr",
*** 399,408 ****
--- 408,418 ----
                      "ret"
                  };
                  break;
  
              case "Shenandoah":
+             case "ShenandoahIU":
                   // Shenandoah generates normal object graphs for
                   // volatile stores
                  matches = new String[] {
                      "membar_release",
                      "dmb ish",
*** 488,497 ****
--- 498,508 ----
                      "dmb ish",
                      "strb"
                  };
                  break;
              case "Shenandoah":
+             case "ShenandoahIU":
                  // For volatile CAS, Shenanodoah generates normal
                  // graphs with a shenandoah-specific cmpxchg
                  matches = new String[] {
                      "membar_release \\(elided\\)",
                      useCompressedOops ? "cmpxchgw?_acq_shenandoah" : "cmpxchg_acq_shenandoah",
*** 565,574 ****
--- 576,586 ----
                      "dmb ish",
                      "ret"
                  };
                  break;
              case "Shenandoah":
+             case "ShenandoahIU":
                  // For volatile CAS, Shenanodoah generates normal
                  // graphs with a shenandoah-specific cmpxchg
                  matches = new String[] {
                      "membar_release",
                      "dmb ish",
*** 670,679 ****
--- 682,692 ----
                      "dmb ish",
                      "strb"
                  };
                  break;
              case "Shenandoah":
+             case "ShenandoahIU":
                  // For volatile CAS, Shenanodoah generates normal
                  // graphs with a shenandoah-specific cmpxchg
                  matches = new String[] {
                      "membar_release \\(elided\\)",
                      useCompressedOops ? "cmpxchgw?_acq_shenandoah" : "cmpxchg_acq_shenandoah",
*** 747,756 ****
--- 760,770 ----
                      "dmb ish",
                      "ret"
                  };
                  break;
              case "Shenandoah":
+             case "ShenandoahIU":
                  // For volatile CAS, Shenanodoah generates normal
                  // graphs with a shenandoah-specific cmpxchg
                  matches = new String[] {
                      "membar_release",
                      "dmb ish",
*** 832,841 ****
--- 846,856 ----
                      "dmb ish",
                      "strb"
                  };
                  break;
              case "Shenandoah":
+             case "ShenandoahIU":
                  matches = new String[] {
                      "membar_release \\(elided\\)",
                      useCompressedOops ? "atomic_xchgw?_acq" : "atomic_xchg_acq",
                      "membar_acquire \\(elided\\)",
                      "ret"
*** 907,916 ****
--- 922,932 ----
                      "dmb ish",
                      "ret"
                  };
                  break;
              case "Shenandoah":
+             case "ShenandoahIU":
                  matches = new String[] {
                      "membar_release",
                      "dmb ish",
                      useCompressedOops ? "atomic_xchgw? " : "atomic_xchg ",
                      "membar_acquire",