jdk8-mips64-public/hotspot: test/compiler/stable/TestStableFloat.java@248ff38d2950 (annotated)

test/compiler/stable/TestStableFloat.java@248ff38d2950 (annotated)

test/compiler/stable/TestStableFloat.java

Fri, 28 Mar 2014 10:13:37 -0700

author: vlivanov
date: Fri, 28 Mar 2014 10:13:37 -0700
changeset 6528: 248ff38d2950
child 6747: ee1c924763d2
permissions: -rw-r--r--

8035828: Turn on @Stable support in VM
Reviewed-by: jrose, twisti

 /*
  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 /*
  * @test TestStableFloat
  * @summary tests on stable fields and arrays
  * @library /testlibrary
  * @compile -XDignore.symbol.file TestStableFloat.java
  * @run main ClassFileInstaller
  *           java/lang/invoke/TestStableFloat
  *           java/lang/invoke/TestStableFloat$FloatStable
  *           java/lang/invoke/TestStableFloat$StaticFloatStable
  *           java/lang/invoke/TestStableFloat$VolatileFloatStable
  *           java/lang/invoke/TestStableFloat$FloatArrayDim1
  *           java/lang/invoke/TestStableFloat$FloatArrayDim2
  *           java/lang/invoke/TestStableFloat$FloatArrayDim3
  *           java/lang/invoke/TestStableFloat$FloatArrayDim4
  *           java/lang/invoke/TestStableFloat$ObjectArrayLowerDim0
  *           java/lang/invoke/TestStableFloat$ObjectArrayLowerDim1
  *           java/lang/invoke/TestStableFloat$NestedStableField
  *           java/lang/invoke/TestStableFloat$NestedStableField$A
  *           java/lang/invoke/TestStableFloat$NestedStableField1
  *           java/lang/invoke/TestStableFloat$NestedStableField1$A
  *           java/lang/invoke/TestStableFloat$NestedStableField2
  *           java/lang/invoke/TestStableFloat$NestedStableField2$A
  *           java/lang/invoke/TestStableFloat$NestedStableField3
  *           java/lang/invoke/TestStableFloat$NestedStableField3$A
  *           java/lang/invoke/TestStableFloat$DefaultValue
  *           java/lang/invoke/TestStableFloat$ObjectArrayLowerDim2
  *
  * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
  *                   -XX:+UnlockDiagnosticVMOptions -XX:+FoldStableValues -XX:+UseCompressedOop
  *                   -server -XX:-TieredCompilation -Xcomp
  *                   -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
  *                   java.lang.invoke.TestStableFloat
  *
  * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
  *                   -XX:+UnlockDiagnosticVMOptions -XX:+FoldStableValues -XX:-UseCompressedOop
  *                   -server -XX:-TieredCompilation -Xcomp
  *                   -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
  *                   java.lang.invoke.TestStableFloat
  *
  * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
  *                   -XX:+UnlockDiagnosticVMOptions -XX:-FoldStableValues -XX:+UseCompressedOop
  *                   -server -XX:-TieredCompilation -Xcomp
  *                   -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
  *                   java.lang.invoke.TestStableFloat
  *
  * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions
  *                   -XX:+UnlockDiagnosticVMOptions -XX:-FoldStableValues -XX:-UseCompressedOop
  *                   -server -XX:-TieredCompilation -Xcomp
  *                   -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
  *                   java.lang.invoke.TestStableFloat
  */
 package java.lang.invoke;
 import com.sun.management.HotSpotDiagnosticMXBean;
 import com.sun.management.VMOption;
 import sun.management.ManagementFactoryHelper;
 import java.lang.reflect.InvocationTargetException;
 public class TestStableFloat {
     public static void main(String[] args) throws Exception {
         System.out.println("@Stable enabled: "+isStableEnabled);
         System.out.println();
         run(DefaultValue.class);
         run(FloatStable.class);
         run(StaticFloatStable.class);
         run(VolatileFloatStable.class);
         // @Stable arrays: Dim 1-4
         run(FloatArrayDim1.class);
         run(FloatArrayDim2.class);
         run(FloatArrayDim3.class);
         run(FloatArrayDim4.class);
         // @Stable Object field: dynamic arrays
         run(ObjectArrayLowerDim0.class);
         run(ObjectArrayLowerDim1.class);
         run(ObjectArrayLowerDim2.class);
         // Nested @Stable fields
         run(NestedStableField.class);
         run(NestedStableField1.class);
         run(NestedStableField2.class);
         run(NestedStableField3.class);
         if (failed) {
             throw new Error("TEST FAILED");
         }
     }
     /* ==================================================== */
     static class DefaultValue {
         public @Stable float v;
         public static final DefaultValue c = new DefaultValue();
         public static float get() { return c.v; }
         public static void test() throws Exception {
                         float val1 = get();
             c.v = 1.0F; float val2 = get();
             assertEquals(val1, 0F);
             assertEquals(val2, 1.0F);
         }
     }
     /* ==================================================== */
     static class FloatStable {
         public @Stable float v;
         public static final FloatStable c = new FloatStable();
         public static float get() { return c.v; }
         public static void test() throws Exception {
             c.v = 1.0F; float val1 = get();
             c.v = 2.0F; float val2 = get();
             assertEquals(val1, 1.0F);
             assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
         }
     }
     /* ==================================================== */
     static class StaticFloatStable {
         public static @Stable float v;
         public static final StaticFloatStable c = new StaticFloatStable();
         public static float get() { return c.v; }
         public static void test() throws Exception {
             c.v = 1.0F; float val1 = get();
             c.v = 2.0F; float val2 = get();
             assertEquals(val1, 1.0F);
             assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
         }
     }
     /* ==================================================== */
     static class VolatileFloatStable {
         public @Stable volatile float v;
         public static final VolatileFloatStable c = new VolatileFloatStable();
         public static float get() { return c.v; }
         public static void test() throws Exception {
             c.v = 1.0F; float val1 = get();
             c.v = 2.0F; float val2 = get();
             assertEquals(val1, 1.0F);
             assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
         }
     }
     /* ==================================================== */
     // @Stable array == field && all components are stable
     static class FloatArrayDim1 {
         public @Stable float[] v;
         public static final FloatArrayDim1 c = new FloatArrayDim1();
         public static float get() { return c.v[0]; }
         public static float get1() { return c.v[10]; }
         public static float[] get2() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new float[1]; c.v[0] = 1.0F; float val1 = get();
                                     c.v[0] = 2.0F; float val2 = get();
                 assertEquals(val1, 1.0F);
                 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
                 c.v = new float[1]; c.v[0] = 3.0F; float val3 = get();
                 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
             }
             {
                 c.v = new float[20]; c.v[10] = 1.0F; float val1 = get1();
                                      c.v[10] = 2.0F; float val2 = get1();
                 assertEquals(val1, 1.0F);
                 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
                 c.v = new float[20]; c.v[10] = 3.0F; float val3 = get1();
                 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
             }
             {
                 c.v = new float[1]; float[] val1 = get2();
                 c.v = new float[1]; float[] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }
     /* ==================================================== */
     static class FloatArrayDim2 {
         public @Stable float[][] v;
         public static final FloatArrayDim2 c = new FloatArrayDim2();
         public static float get() { return c.v[0][0]; }
         public static float[] get1() { return c.v[0]; }
         public static float[][] get2() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new float[1][1]; c.v[0][0] = 1.0F; float val1 = get();
                                        c.v[0][0] = 2.0F; float val2 = get();
                 assertEquals(val1, 1.0F);
                 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
                 c.v = new float[1][1]; c.v[0][0] = 3.0F; float val3 = get();
                 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
                 c.v[0] = new float[1]; c.v[0][0] = 4.0F; float val4 = get();
                 assertEquals(val4, (isStableEnabled ? 1.0F : 4.0F));
             }
             {
                 c.v = new float[1][1]; float[] val1 = get1();
                 c.v[0] = new float[1]; float[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new float[1][1]; float[][] val1 = get2();
                 c.v = new float[1][1]; float[][] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }
     /* ==================================================== */
     static class FloatArrayDim3 {
         public @Stable float[][][] v;
         public static final FloatArrayDim3 c = new FloatArrayDim3();
         public static float get() { return c.v[0][0][0]; }
         public static float[] get1() { return c.v[0][0]; }
         public static float[][] get2() { return c.v[0]; }
         public static float[][][] get3() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new float[1][1][1]; c.v[0][0][0] = 1.0F; float val1 = get();
                                           c.v[0][0][0] = 2.0F; float val2 = get();
                 assertEquals(val1, 1.0F);
                 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
                 c.v = new float[1][1][1]; c.v[0][0][0] = 3.0F; float val3 = get();
                 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
                 c.v[0] = new float[1][1]; c.v[0][0][0] = 4.0F; float val4 = get();
                 assertEquals(val4, (isStableEnabled ? 1.0F : 4.0F));
                 c.v[0][0] = new float[1]; c.v[0][0][0] = 5.0F; float val5 = get();
                 assertEquals(val5, (isStableEnabled ? 1.0F : 5.0F));
             }
             {
                 c.v = new float[1][1][1]; float[] val1 = get1();
                 c.v[0][0] = new float[1]; float[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new float[1][1][1]; float[][] val1 = get2();
                 c.v[0] = new float[1][1]; float[][] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new float[1][1][1]; float[][][] val1 = get3();
                 c.v = new float[1][1][1]; float[][][] val2 = get3();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }
     /* ==================================================== */
     static class FloatArrayDim4 {
         public @Stable float[][][][] v;
         public static final FloatArrayDim4 c = new FloatArrayDim4();
         public static float get() { return c.v[0][0][0][0]; }
         public static float[] get1() { return c.v[0][0][0]; }
         public static float[][] get2() { return c.v[0][0]; }
         public static float[][][] get3() { return c.v[0]; }
         public static float[][][][] get4() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new float[1][1][1][1]; c.v[0][0][0][0] = 1.0F; float val1 = get();
                                              c.v[0][0][0][0] = 2.0F; float val2 = get();
                 assertEquals(val1, 1.0F);
                 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
                 c.v = new float[1][1][1][1]; c.v[0][0][0][0] = 3.0F; float val3 = get();
                 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
                 c.v[0] = new float[1][1][1]; c.v[0][0][0][0] = 4.0F; float val4 = get();
                 assertEquals(val4, (isStableEnabled ? 1.0F : 4.0F));
                 c.v[0][0] = new float[1][1]; c.v[0][0][0][0] = 5.0F; float val5 = get();
                 assertEquals(val5, (isStableEnabled ? 1.0F : 5.0F));
                 c.v[0][0][0] = new float[1]; c.v[0][0][0][0] = 6.0F; float val6 = get();
                 assertEquals(val6, (isStableEnabled ? 1.0F : 6.0F));
             }
             {
                 c.v = new float[1][1][1][1]; float[] val1 = get1();
                 c.v[0][0][0] = new float[1]; float[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new float[1][1][1][1]; float[][] val1 = get2();
                 c.v[0][0] = new float[1][1]; float[][] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new float[1][1][1][1]; float[][][] val1 = get3();
                 c.v[0] = new float[1][1][1]; float[][][] val2 = get3();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new float[1][1][1][1]; float[][][][] val1 = get4();
                 c.v = new float[1][1][1][1]; float[][][][] val2 = get4();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }
     /* ==================================================== */
     // Dynamic Dim is higher than static
     static class ObjectArrayLowerDim0 {
         public @Stable Object v;
         public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0();
         public static float get() { return ((float[])c.v)[0]; }
         public static float[] get1() { return (float[])c.v; }
         public static void test() throws Exception {
             {
                 c.v = new float[1]; ((float[])c.v)[0] = 1.0F; float val1 = get();
                                     ((float[])c.v)[0] = 2.0F; float val2 = get();
                 assertEquals(val1, 1.0F);
                 assertEquals(val2, 2.0F);
             }
             {
                 c.v = new float[1]; float[] val1 = get1();
                 c.v = new float[1]; float[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }
     /* ==================================================== */
     static class ObjectArrayLowerDim1 {
         public @Stable Object[] v;
         public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
         public static float get() { return ((float[][])c.v)[0][0]; }
         public static float[] get1() { return (float[])(c.v[0]); }
         public static Object[] get2() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new float[1][1]; ((float[][])c.v)[0][0] = 1.0F; float val1 = get();
                                        ((float[][])c.v)[0][0] = 2.0F; float val2 = get();
                 assertEquals(val1, 1.0F);
                 assertEquals(val2, 2.0F);
             }
             {
                 c.v = new float[1][1]; c.v[0] = new float[0]; float[] val1 = get1();
                                        c.v[0] = new float[0]; float[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new float[0][0]; Object[] val1 = get2();
                 c.v = new float[0][0]; Object[] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }
     /* ==================================================== */
     static class ObjectArrayLowerDim2 {
         public @Stable Object[][] v;
         public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2();
         public static float get() { return ((float[][][])c.v)[0][0][0]; }
         public static float[] get1() { return (float[])(c.v[0][0]); }
         public static float[][] get2() { return (float[][])(c.v[0]); }
         public static Object[][] get3() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new float[1][1][1]; ((float[][][])c.v)[0][0][0] = 1.0F; float val1 = get();
                                           ((float[][][])c.v)[0][0][0] = 2.0F; float val2 = get();
                 assertEquals(val1, 1.0F);
                 assertEquals(val2, 2.0F);
             }
             {
                 c.v = new float[1][1][1]; c.v[0][0] = new float[0]; float[] val1 = get1();
                                           c.v[0][0] = new float[0]; float[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new float[1][1][1]; c.v[0] = new float[0][0]; float[][] val1 = get2();
                                           c.v[0] = new float[0][0]; float[][] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new float[0][0][0]; Object[][] val1 = get3();
                 c.v = new float[0][0][0]; Object[][] val2 = get3();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }
     /* ==================================================== */
     static class NestedStableField {
         static class A {
             public @Stable float a;
         }
         public @Stable A v;
         public static final NestedStableField c = new NestedStableField();
         public static A get() { return c.v; }
         public static float get1() { return get().a; }
         public static void test() throws Exception {
             {
                 c.v = new A(); c.v.a = 1.0F; A val1 = get();
                                c.v.a = 2.0F; A val2 = get();
                 assertEquals(val1.a, 2.0F);
                 assertEquals(val2.a, 2.0F);
             }
             {
                 c.v = new A(); c.v.a = 1.0F; float val1 = get1();
                                c.v.a = 2.0F; float val2 = get1();
                 c.v = new A(); c.v.a = 3.0F; float val3 = get1();
                 assertEquals(val1, 1.0F);
                 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
                 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
             }
         }
     }
     /* ==================================================== */
     static class NestedStableField1 {
         static class A {
             public @Stable float a;
             public @Stable A next;
         }
         public @Stable A v;
         public static final NestedStableField1 c = new NestedStableField1();
         public static A get() { return c.v.next.next.next.next.next.next.next; }
         public static float get1() { return get().a; }
         public static void test() throws Exception {
             {
                 c.v = new A(); c.v.next = new A();   c.v.next.next  = c.v;
                                c.v.a = 1.0F; c.v.next.a = 1.0F; A val1 = get();
                                c.v.a = 2.0F; c.v.next.a = 2.0F; A val2 = get();
                 assertEquals(val1.a, 2.0F);
                 assertEquals(val2.a, 2.0F);
             }
             {
                 c.v = new A(); c.v.next = c.v;
                                c.v.a = 1.0F; float val1 = get1();
                                c.v.a = 2.0F; float val2 = get1();
                 c.v = new A(); c.v.next = c.v;
                                c.v.a = 3.0F; float val3 = get1();
                 assertEquals(val1, 1.0F);
                 assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
                 assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
             }
         }
     }
    /* ==================================================== */
     static class NestedStableField2 {
         static class A {
             public @Stable float a;
             public @Stable A left;
             public         A right;
         }
         public @Stable A v;
         public static final NestedStableField2 c = new NestedStableField2();
         public static float get() { return c.v.left.left.left.a; }
         public static float get1() { return c.v.left.left.right.left.a; }
         public static void test() throws Exception {
             {
                 c.v = new A(); c.v.left = c.v.right = c.v;
                                c.v.a = 1.0F; float val1 = get(); float val2 = get1();
                                c.v.a = 2.0F; float val3 = get(); float val4 = get1();
                 assertEquals(val1, 1.0F);
                 assertEquals(val3, (isStableEnabled ? 1.0F : 2.0F));
                 assertEquals(val2, 1.0F);
                 assertEquals(val4, 2.0F);
             }
         }
     }
     /* ==================================================== */
     static class NestedStableField3 {
         static class A {
             public @Stable float a;
             public @Stable A[] left;
             public         A[] right;
         }
         public @Stable A[] v;
         public static final NestedStableField3 c = new NestedStableField3();
         public static float get() { return c.v[0].left[1].left[0].left[1].a; }
         public static float get1() { return c.v[1].left[0].left[1].right[0].left[1].a; }
         public static void test() throws Exception {
             {
                 A elem = new A();
                 c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v;
                                elem.a = 1.0F; float val1 = get(); float val2 = get1();
                                elem.a = 2.0F; float val3 = get(); float val4 = get1();
                 assertEquals(val1, 1.0F);
                 assertEquals(val3, (isStableEnabled ? 1.0F : 2.0F));
                 assertEquals(val2, 1.0F);
                 assertEquals(val4, 2.0F);
             }
         }
     }
     /* ==================================================== */
     // Auxiliary methods
     static void assertEquals(float i, float j) { if (i != j)  throw new AssertionError(i + " != " + j); }
     static void assertTrue(boolean b) { if (!b)  throw new AssertionError(); }
     static boolean failed = false;
     public static void run(Class<?> test) {
         Throwable ex = null;
         System.out.print(test.getName()+": ");
         try {
             test.getMethod("test").invoke(null);
         } catch (InvocationTargetException e) {
             ex = e.getCause();
         } catch (Throwable e) {
             ex = e;
         } finally {
             if (ex == null) {
                 System.out.println("PASSED");
             } else {
                 failed = true;
                 System.out.println("FAILED");
                 ex.printStackTrace(System.out);
             }
         }
     }
     static final boolean isStableEnabled;
     static {
         HotSpotDiagnosticMXBean diagnostic
                 = ManagementFactoryHelper.getDiagnosticMXBean();
         VMOption tmp;
         try {
             tmp = diagnostic.getVMOption("FoldStableValues");
         } catch (IllegalArgumentException e) {
             tmp = null;
         }
         isStableEnabled = (tmp == null ? false : Boolean.parseBoolean(tmp.getValue()));
     }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

test/compiler/stable/TestStableFloat.java@248ff38d2950 (annotated)

test/compiler/stable/TestStableFloat.java