test/hotspot/jtreg/compiler/vectorization/TestRoundVectAArch64.java

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/**
 * @test
 * @bug 8282541
 * @summary Auto-vectorize Math.round API
 * @requires vm.compiler2.enabled
 * @requires os.simpleArch == "aarch64"
 * @library /test/lib /
 * @run driver compiler.vectorization.TestRoundVectAArch64
 */

package compiler.vectorization;

import compiler.lib.ir_framework.*;

public class TestRoundVectAArch64 {
  private static final int ARRLEN = 1024;
  private static final int ITERS  = 11000;

  private static double [] dinp;
  private static long   [] lout;
  private static float  [] finp;
  private static int    [] iout;

  public static void main(String args[]) {
      if (System.getProperty("os.arch").equals("aarch64")) {
          TestFramework.runWithFlags("-XX:-TieredCompilation",
                                     "-XX:CompileThresholdScaling=0.3");
      }
      System.out.println("PASSED");
  }

  @Test
  @IR(counts = {IRNode.ROUND_VD, "> 0"})
  public void test_round_double(long[] lout, double[] dinp) {
      for (int i = 0; i < lout.length; i+=1) {
          lout[i] = Math.round(dinp[i]);
      }
  }

  @Run(test = {"test_round_double"}, mode = RunMode.STANDALONE)
  public void kernel_test_round_double() {
      dinp = new double[ARRLEN];
      lout = new long[ARRLEN];
      for(int i = 0 ; i < ARRLEN; i++) {
          dinp[i] = (double)i*1.4;
      }
      for (int i = 0; i < ITERS; i++) {
          test_round_double(lout , dinp);
      }
  }

  @Test
  @IR(counts = {IRNode.ROUND_VF, "> 0"})
  public void test_round_float(int[] iout, float[] finp) {
      for (int i = 0; i < finp.length; i+=1) {
          iout[i] = Math.round(finp[i]);
      }
  }

  @Run(test = {"test_round_float"}, mode = RunMode.STANDALONE)
  public void kernel_test_round() {
      finp = new float[ARRLEN];
      iout = new int[ARRLEN];
      for(int i = 0 ; i < ARRLEN; i++) {
          finp[i] = (float)i*1.4f;
      }
      for (int i = 0; i < ITERS; i++) {
          test_round_float(iout , finp);
      }
  }
}