hotspot/test/compiler/6340864/TestLongVect.java
author kvn
Mon, 20 Aug 2012 09:07:21 -0700
changeset 13485 6c7faa516fc6
child 14131 e376e3d428c9
permissions -rw-r--r--
6340864: Implement vectorization optimizations in hotspot-server Summary: Added asm encoding and mach nodes for vector arithmetic instructions on x86. Reviewed-by: roland

/*
 * Copyright (c) 2012, 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.
 *
 * 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
 * @bug 6340864
 * @summary Implement vectorization optimizations in hotspot-server
 *
 * @run main/othervm/timeout=400 -Xbatch -Xmx64m TestLongVect
 */

public class TestLongVect {
  private static final int ARRLEN = 997;
  private static final int ITERS  = 11000;
  private static final long ADD_INIT = Long.MAX_VALUE-500;
  private static final long BIT_MASK = 0xEC80F731EC80F731L;
  private static final int VALUE = 31;
  private static final int SHIFT = 64;

  public static void main(String args[]) {
    System.out.println("Testing Long vectors");
    int errn = test();
    if (errn > 0) {
      System.err.println("FAILED: " + errn + " errors");
      System.exit(97);
    }
    System.out.println("PASSED");
  }

  static int test() {
    long[] a0 = new long[ARRLEN];
    long[] a1 = new long[ARRLEN];
    long[] a2 = new long[ARRLEN];
    long[] a3 = new long[ARRLEN];
    long[] a4 = new long[ARRLEN];
    // Initialize
    long gold_sum = 0;
    for (int i=0; i<ARRLEN; i++) {
      long val = (long)(ADD_INIT+i);
      gold_sum += val;
      a1[i] = val;
      a2[i] = (long)VALUE;
      a3[i] = (long)-VALUE;
      a4[i] = (long)BIT_MASK;
    }
    System.out.println("Warmup");
    for (int i=0; i<ITERS; i++) {
      test_sum(a1);
      test_addc(a0, a1);
      test_addv(a0, a1, (long)VALUE);
      test_adda(a0, a1, a2);
      test_subc(a0, a1);
      test_subv(a0, a1, (long)VALUE);
      test_suba(a0, a1, a2);
      test_mulc(a0, a1);
      test_mulv(a0, a1, (long)VALUE);
      test_mula(a0, a1, a2);
      test_divc(a0, a1);
      test_divv(a0, a1, (long)VALUE);
      test_diva(a0, a1, a2);
      test_mulc_n(a0, a1);
      test_mulv(a0, a1, (long)-VALUE);
      test_mula(a0, a1, a3);
      test_divc_n(a0, a1);
      test_divv(a0, a1, (long)-VALUE);
      test_diva(a0, a1, a3);
      test_andc(a0, a1);
      test_andv(a0, a1, (long)BIT_MASK);
      test_anda(a0, a1, a4);
      test_orc(a0, a1);
      test_orv(a0, a1, (long)BIT_MASK);
      test_ora(a0, a1, a4);
      test_xorc(a0, a1);
      test_xorv(a0, a1, (long)BIT_MASK);
      test_xora(a0, a1, a4);
      test_sllc(a0, a1);
      test_sllv(a0, a1, VALUE);
      test_srlc(a0, a1);
      test_srlv(a0, a1, VALUE);
      test_srac(a0, a1);
      test_srav(a0, a1, VALUE);
      test_sllc_n(a0, a1);
      test_sllv(a0, a1, -VALUE);
      test_srlc_n(a0, a1);
      test_srlv(a0, a1, -VALUE);
      test_srac_n(a0, a1);
      test_srav(a0, a1, -VALUE);
      test_sllc_o(a0, a1);
      test_sllv(a0, a1, SHIFT);
      test_srlc_o(a0, a1);
      test_srlv(a0, a1, SHIFT);
      test_srac_o(a0, a1);
      test_srav(a0, a1, SHIFT);
      test_sllc_on(a0, a1);
      test_sllv(a0, a1, -SHIFT);
      test_srlc_on(a0, a1);
      test_srlv(a0, a1, -SHIFT);
      test_srac_on(a0, a1);
      test_srav(a0, a1, -SHIFT);
    }
    // Test and verify results
    System.out.println("Verification");
    int errn = 0;
    {
      long sum = test_sum(a1);
      if (sum != gold_sum) {
        System.err.println("test_sum:  " + sum + " != " + gold_sum);
        errn++;
      }

      test_addc(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_addc: ", i, a0[i], (long)((long)(ADD_INIT+i)+VALUE));
      }
      test_addv(a0, a1, (long)VALUE);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_addv: ", i, a0[i], (long)((long)(ADD_INIT+i)+VALUE));
      }
      test_adda(a0, a1, a2);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_adda: ", i, a0[i], (long)((long)(ADD_INIT+i)+VALUE));
      }

      test_subc(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_subc: ", i, a0[i], (long)((long)(ADD_INIT+i)-VALUE));
      }
      test_subv(a0, a1, (long)VALUE);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_subv: ", i, a0[i], (long)((long)(ADD_INIT+i)-VALUE));
      }
      test_suba(a0, a1, a2);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_suba: ", i, a0[i], (long)((long)(ADD_INIT+i)-VALUE));
      }

      test_mulc(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_mulc: ", i, a0[i], (long)((long)(ADD_INIT+i)*VALUE));
      }
      test_mulv(a0, a1, (long)VALUE);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_mulv: ", i, a0[i], (long)((long)(ADD_INIT+i)*VALUE));
      }
      test_mula(a0, a1, a2);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_mula: ", i, a0[i], (long)((long)(ADD_INIT+i)*VALUE));
      }

      test_divc(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_divc: ", i, a0[i], (long)((long)(ADD_INIT+i)/VALUE));
      }
      test_divv(a0, a1, (long)VALUE);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_divv: ", i, a0[i], (long)((long)(ADD_INIT+i)/VALUE));
      }
      test_diva(a0, a1, a2);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_diva: ", i, a0[i], (long)((long)(ADD_INIT+i)/VALUE));
      }

      test_mulc_n(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_mulc_n: ", i, a0[i], (long)((long)(ADD_INIT+i)*(-VALUE)));
      }
      test_mulv(a0, a1, (long)-VALUE);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_mulv_n: ", i, a0[i], (long)((long)(ADD_INIT+i)*(-VALUE)));
      }
      test_mula(a0, a1, a3);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_mula_n: ", i, a0[i], (long)((long)(ADD_INIT+i)*(-VALUE)));
      }

      test_divc_n(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_divc_n: ", i, a0[i], (long)((long)(ADD_INIT+i)/(-VALUE)));
      }
      test_divv(a0, a1, (long)-VALUE);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_divv_n: ", i, a0[i], (long)((long)(ADD_INIT+i)/(-VALUE)));
      }
      test_diva(a0, a1, a3);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_diva_n: ", i, a0[i], (long)((long)(ADD_INIT+i)/(-VALUE)));
      }

      test_andc(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_andc: ", i, a0[i], (long)((long)(ADD_INIT+i)&BIT_MASK));
      }
      test_andv(a0, a1, (long)BIT_MASK);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_andv: ", i, a0[i], (long)((long)(ADD_INIT+i)&BIT_MASK));
      }
      test_anda(a0, a1, a4);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_anda: ", i, a0[i], (long)((long)(ADD_INIT+i)&BIT_MASK));
      }

      test_orc(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_orc: ", i, a0[i], (long)((long)(ADD_INIT+i)|BIT_MASK));
      }
      test_orv(a0, a1, (long)BIT_MASK);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_orv: ", i, a0[i], (long)((long)(ADD_INIT+i)|BIT_MASK));
      }
      test_ora(a0, a1, a4);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_ora: ", i, a0[i], (long)((long)(ADD_INIT+i)|BIT_MASK));
      }

      test_xorc(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_xorc: ", i, a0[i], (long)((long)(ADD_INIT+i)^BIT_MASK));
      }
      test_xorv(a0, a1, (long)BIT_MASK);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_xorv: ", i, a0[i], (long)((long)(ADD_INIT+i)^BIT_MASK));
      }
      test_xora(a0, a1, a4);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_xora: ", i, a0[i], (long)((long)(ADD_INIT+i)^BIT_MASK));
      }

      test_sllc(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_sllc: ", i, a0[i], (long)((long)(ADD_INIT+i)<<VALUE));
      }
      test_sllv(a0, a1, VALUE);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_sllv: ", i, a0[i], (long)((long)(ADD_INIT+i)<<VALUE));
      }

      test_srlc(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srlc: ", i, a0[i], (long)((long)(ADD_INIT+i)>>>VALUE));
      }
      test_srlv(a0, a1, VALUE);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srlv: ", i, a0[i], (long)((long)(ADD_INIT+i)>>>VALUE));
      }

      test_srac(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srac: ", i, a0[i], (long)((long)(ADD_INIT+i)>>VALUE));
      }
      test_srav(a0, a1, VALUE);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srav: ", i, a0[i], (long)((long)(ADD_INIT+i)>>VALUE));
      }

      test_sllc_n(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_sllc_n: ", i, a0[i], (long)((long)(ADD_INIT+i)<<(-VALUE)));
      }
      test_sllv(a0, a1, -VALUE);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_sllv_n: ", i, a0[i], (long)((long)(ADD_INIT+i)<<(-VALUE)));
      }

      test_srlc_n(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srlc_n: ", i, a0[i], (long)((long)(ADD_INIT+i)>>>(-VALUE)));
      }
      test_srlv(a0, a1, -VALUE);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srlv_n: ", i, a0[i], (long)((long)(ADD_INIT+i)>>>(-VALUE)));
      }

      test_srac_n(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srac_n: ", i, a0[i], (long)((long)(ADD_INIT+i)>>(-VALUE)));
      }
      test_srav(a0, a1, -VALUE);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srav_n: ", i, a0[i], (long)((long)(ADD_INIT+i)>>(-VALUE)));
      }

      test_sllc_o(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_sllc_o: ", i, a0[i], (long)((long)(ADD_INIT+i)<<SHIFT));
      }
      test_sllv(a0, a1, SHIFT);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_sllv_o: ", i, a0[i], (long)((long)(ADD_INIT+i)<<SHIFT));
      }

      test_srlc_o(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srlc_o: ", i, a0[i], (long)((long)(ADD_INIT+i)>>>SHIFT));
      }
      test_srlv(a0, a1, SHIFT);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srlv_o: ", i, a0[i], (long)((long)(ADD_INIT+i)>>>SHIFT));
      }

      test_srac_o(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srac_o: ", i, a0[i], (long)((long)(ADD_INIT+i)>>SHIFT));
      }
      test_srav(a0, a1, SHIFT);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srav_o: ", i, a0[i], (long)((long)(ADD_INIT+i)>>SHIFT));
      }

      test_sllc_on(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_sllc_on: ", i, a0[i], (long)((long)(ADD_INIT+i)<<(-SHIFT)));
      }
      test_sllv(a0, a1, -SHIFT);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_sllv_on: ", i, a0[i], (long)((long)(ADD_INIT+i)<<(-SHIFT)));
      }

      test_srlc_on(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srlc_on: ", i, a0[i], (long)((long)(ADD_INIT+i)>>>(-SHIFT)));
      }
      test_srlv(a0, a1, -SHIFT);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srlv_on: ", i, a0[i], (long)((long)(ADD_INIT+i)>>>(-SHIFT)));
      }

      test_srac_on(a0, a1);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srac_on: ", i, a0[i], (long)((long)(ADD_INIT+i)>>(-SHIFT)));
      }
      test_srav(a0, a1, -SHIFT);
      for (int i=0; i<ARRLEN; i++) {
        errn += verify("test_srav_on: ", i, a0[i], (long)((long)(ADD_INIT+i)>>(-SHIFT)));
      }

    }

    if (errn > 0)
      return errn;

    System.out.println("Time");
    long start, end;

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_sum(a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_sum: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_addc(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_addc: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_addv(a0, a1, (long)VALUE);
    }
    end = System.currentTimeMillis();
    System.out.println("test_addv: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_adda(a0, a1, a2);
    }
    end = System.currentTimeMillis();
    System.out.println("test_adda: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_subc(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_subc: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_subv(a0, a1, (long)VALUE);
    }
    end = System.currentTimeMillis();
    System.out.println("test_subv: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_suba(a0, a1, a2);
    }
    end = System.currentTimeMillis();
    System.out.println("test_suba: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_mulc(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_mulc: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_mulv(a0, a1, (long)VALUE);
    }
    end = System.currentTimeMillis();
    System.out.println("test_mulv: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_mula(a0, a1, a2);
    }
    end = System.currentTimeMillis();
    System.out.println("test_mula: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_divc(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_divc: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_divv(a0, a1, (long)VALUE);
    }
    end = System.currentTimeMillis();
    System.out.println("test_divv: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_diva(a0, a1, a2);
    }
    end = System.currentTimeMillis();
    System.out.println("test_diva: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_mulc_n(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_mulc_n: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_mulv(a0, a1, (long)-VALUE);
    }
    end = System.currentTimeMillis();
    System.out.println("test_mulv_n: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_mula(a0, a1, a3);
    }
    end = System.currentTimeMillis();
    System.out.println("test_mula_n: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_divc_n(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_divc_n: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_divv(a0, a1, (long)-VALUE);
    }
    end = System.currentTimeMillis();
    System.out.println("test_divv_n: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_diva(a0, a1, a3);
    }
    end = System.currentTimeMillis();
    System.out.println("test_diva_n: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_andc(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_andc: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_andv(a0, a1, (long)BIT_MASK);
    }
    end = System.currentTimeMillis();
    System.out.println("test_andv: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_anda(a0, a1, a4);
    }
    end = System.currentTimeMillis();
    System.out.println("test_anda: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_orc(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_orc: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_orv(a0, a1, (long)BIT_MASK);
    }
    end = System.currentTimeMillis();
    System.out.println("test_orv: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_ora(a0, a1, a4);
    }
    end = System.currentTimeMillis();
    System.out.println("test_ora: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_xorc(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_xorc: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_xorv(a0, a1, (long)BIT_MASK);
    }
    end = System.currentTimeMillis();
    System.out.println("test_xorv: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_xora(a0, a1, a4);
    }
    end = System.currentTimeMillis();
    System.out.println("test_xora: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_sllc(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_sllc: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_sllv(a0, a1, VALUE);
    }
    end = System.currentTimeMillis();
    System.out.println("test_sllv: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srlc(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srlc: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srlv(a0, a1, VALUE);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srlv: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srac(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srac: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srav(a0, a1, VALUE);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srav: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_sllc_n(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_sllc_n: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_sllv(a0, a1, -VALUE);
    }
    end = System.currentTimeMillis();
    System.out.println("test_sllv_n: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srlc_n(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srlc_n: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srlv(a0, a1, -VALUE);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srlv_n: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srac_n(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srac_n: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srav(a0, a1, -VALUE);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srav_n: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_sllc_o(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_sllc_o: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_sllv(a0, a1, SHIFT);
    }
    end = System.currentTimeMillis();
    System.out.println("test_sllv_o: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srlc_o(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srlc_o: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srlv(a0, a1, SHIFT);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srlv_o: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srac_o(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srac_o: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srav(a0, a1, SHIFT);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srav_o: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_sllc_on(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_sllc_on: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_sllv(a0, a1, -SHIFT);
    }
    end = System.currentTimeMillis();
    System.out.println("test_sllv_on: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srlc_on(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srlc_on: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srlv(a0, a1, -SHIFT);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srlv_on: " + (end - start));

    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srac_on(a0, a1);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srac_on: " + (end - start));
    start = System.currentTimeMillis();
    for (int i=0; i<ITERS; i++) {
      test_srav(a0, a1, -SHIFT);
    }
    end = System.currentTimeMillis();
    System.out.println("test_srav_on: " + (end - start));

    return errn;
  }

  static long test_sum(long[] a1) {
    long sum = 0;
    for (int i = 0; i < a1.length; i+=1) {
      sum += a1[i];
    }
    return sum;
  }

  static void test_addc(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]+VALUE);
    }
  }
  static void test_addv(long[] a0, long[] a1, long b) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]+b);
    }
  }
  static void test_adda(long[] a0, long[] a1, long[] a2) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]+a2[i]);
    }
  }

  static void test_subc(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]-VALUE);
    }
  }
  static void test_subv(long[] a0, long[] a1, long b) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]-b);
    }
  }
  static void test_suba(long[] a0, long[] a1, long[] a2) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]-a2[i]);
    }
  }

  static void test_mulc(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]*VALUE);
    }
  }
  static void test_mulc_n(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]*(-VALUE));
    }
  }
  static void test_mulv(long[] a0, long[] a1, long b) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]*b);
    }
  }
  static void test_mula(long[] a0, long[] a1, long[] a2) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]*a2[i]);
    }
  }

  static void test_divc(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]/VALUE);
    }
  }
  static void test_divc_n(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]/(-VALUE));
    }
  }
  static void test_divv(long[] a0, long[] a1, long b) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]/b);
    }
  }
  static void test_diva(long[] a0, long[] a1, long[] a2) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]/a2[i]);
    }
  }

  static void test_andc(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]&BIT_MASK);
    }
  }
  static void test_andv(long[] a0, long[] a1, long b) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]&b);
    }
  }
  static void test_anda(long[] a0, long[] a1, long[] a2) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]&a2[i]);
    }
  }

  static void test_orc(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]|BIT_MASK);
    }
  }
  static void test_orv(long[] a0, long[] a1, long b) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]|b);
    }
  }
  static void test_ora(long[] a0, long[] a1, long[] a2) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]|a2[i]);
    }
  }

  static void test_xorc(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]^BIT_MASK);
    }
  }
  static void test_xorv(long[] a0, long[] a1, long b) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]^b);
    }
  }
  static void test_xora(long[] a0, long[] a1, long[] a2) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]^a2[i]);
    }
  }

  static void test_sllc(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]<<VALUE);
    }
  }
  static void test_sllc_n(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]<<(-VALUE));
    }
  }
  static void test_sllc_o(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]<<SHIFT);
    }
  }
  static void test_sllc_on(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]<<(-SHIFT));
    }
  }
  static void test_sllv(long[] a0, long[] a1, int b) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]<<b);
    }
  }

  static void test_srlc(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]>>>VALUE);
    }
  }
  static void test_srlc_n(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]>>>(-VALUE));
    }
  }
  static void test_srlc_o(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]>>>SHIFT);
    }
  }
  static void test_srlc_on(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]>>>(-SHIFT));
    }
  }
  static void test_srlv(long[] a0, long[] a1, int b) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]>>>b);
    }
  }

  static void test_srac(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]>>VALUE);
    }
  }
  static void test_srac_n(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]>>(-VALUE));
    }
  }
  static void test_srac_o(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]>>SHIFT);
    }
  }
  static void test_srac_on(long[] a0, long[] a1) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]>>(-SHIFT));
    }
  }
  static void test_srav(long[] a0, long[] a1, int b) {
    for (int i = 0; i < a0.length; i+=1) {
      a0[i] = (long)(a1[i]>>b);
    }
  }

  static int verify(String text, int i, long elem, long val) {
    if (elem != val) {
      System.err.println(text + "[" + i + "] = " + elem + " != " + val);
      return 1;
    }
    return 0;
  }
}