< prev index next >

test/hotspot/jtreg/compiler/gcbarriers/TestZGCUnrolling.java

Print this page

43     static class Outer {
44         Object f;
45     }
46 
47     static final VarHandle fVarHandle;
48     static {
49         MethodHandles.Lookup l = MethodHandles.lookup();
50         try {
51             fVarHandle = l.findVarHandle(Outer.class, "f", Object.class);
52         } catch (Exception e) {
53             throw new Error(e);
54         }
55     }
56 
57     public static void main(String[] args) {
58         TestFramework.runWithFlags("-XX:+UseZGC", "-XX:+ZGenerational",
59                                    "-XX:LoopUnrollLimit=24");
60     }
61 
62     @Test
63     @IR(counts = {IRNode.STORE_P, "1"})

64     public static void testNoUnrolling(Outer o, Object o1) {
65         for (int i = 0; i < 64; i++) {
66             fVarHandle.setVolatile(o, o1);
67         }
68     }
69 
70     @Run(test = {"testNoUnrolling"})
71     void run() {
72         testNoUnrolling(new Outer(), new Object());
73     }
74 }

43     static class Outer {
44         Object f;
45     }
46 
47     static final VarHandle fVarHandle;
48     static {
49         MethodHandles.Lookup l = MethodHandles.lookup();
50         try {
51             fVarHandle = l.findVarHandle(Outer.class, "f", Object.class);
52         } catch (Exception e) {
53             throw new Error(e);
54         }
55     }
56 
57     public static void main(String[] args) {
58         TestFramework.runWithFlags("-XX:+UseZGC", "-XX:+ZGenerational",
59                                    "-XX:LoopUnrollLimit=24");
60     }
61 
62     @Test
63     // TODO JDK-8331551
64     // @IR(counts = {IRNode.STORE_P, "1"})
65     public static void testNoUnrolling(Outer o, Object o1) {
66         for (int i = 0; i < 64; i++) {
67             fVarHandle.setVolatile(o, o1);
68         }
69     }
70 
71     @Run(test = {"testNoUnrolling"})
72     void run() {
73         testNoUnrolling(new Outer(), new Object());
74     }
75 }
< prev index next >