test/compiler/intrinsics/mathexact/NestedMathExactTest.java
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test/compiler/intrinsics/mathexact/NestedMathExactTest.java

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rev 5902 : 8027754: Enable loop optimizations for loops with MathExact inside


   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 8027444
  27  * @summary Test nested loops
  28  * @compile NestedMathExactTest.java
  29  * @run main NestedMathExactTest -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseMathExactIntrinsics
  30  *
  31  */
  32 
  33 public class NestedMathExactTest {
  34     public static final int LIMIT = 100;
  35     public static int[] result = new int[LIMIT];
  36     public static int value = 17;
  37 
  38     public static void main(String[] args) {
  39         for (int i = 0; i < 100; ++i) {
  40             result[i] = runTest();
  41         }
  42     }
  43 
  44     public static int runTest() {
  45         int sum = 0;
  46         for (int j = 0; j < 100000; j = Math.addExact(j, 1)) {
  47             sum = 1;
  48             for (int i = 0; i < 5; ++i) {
  49                 sum *= value;


   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 8027444
  27  * @summary Test nested loops
  28  * @compile NestedMathExactTest.java
  29  * @run main/othervm NestedMathExactTest
  30  *
  31  */
  32 
  33 public class NestedMathExactTest {
  34     public static final int LIMIT = 100;
  35     public static int[] result = new int[LIMIT];
  36     public static int value = 17;
  37 
  38     public static void main(String[] args) {
  39         for (int i = 0; i < 100; ++i) {
  40             result[i] = runTest();
  41         }
  42     }
  43 
  44     public static int runTest() {
  45         int sum = 0;
  46         for (int j = 0; j < 100000; j = Math.addExact(j, 1)) {
  47             sum = 1;
  48             for (int i = 0; i < 5; ++i) {
  49                 sum *= value;
test/compiler/intrinsics/mathexact/NestedMathExactTest.java
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