hotspot/test/compiler/7119644/TestShortIntVect.java
changeset 13104 657b387034fb
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12960:2989536b61ef 13104:657b387034fb
       
     1 /*
       
     2  * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
       
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4  *
       
     5  * This code is free software; you can redistribute it and/or modify it
       
     6  * under the terms of the GNU General Public License version 2 only, as
       
     7  * published by the Free Software Foundation.
       
     8  *
       
     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 /**
       
    26  * @test
       
    27  * @bug 7119644
       
    28  * @summary Increase superword's vector size up to 256 bits
       
    29  *
       
    30  * @run main/othervm/timeout=300 -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -XX:-OptimizeFill TestShortIntVect
       
    31  */
       
    32 
       
    33 public class TestShortIntVect {
       
    34   private static final int ARRLEN = 997;
       
    35   private static final int ITERS  = 11000;
       
    36   private static final int OFFSET = 3;
       
    37   private static final int SCALE = 2;
       
    38   private static final int ALIGN_OFF = 8;
       
    39   private static final int UNALIGN_OFF = 5;
       
    40 
       
    41   public static void main(String args[]) {
       
    42     System.out.println("Testing Short + Integer vectors");
       
    43     int errn = test();
       
    44     if (errn > 0) {
       
    45       System.err.println("FAILED: " + errn + " errors");
       
    46       System.exit(97);
       
    47     }
       
    48     System.out.println("PASSED");
       
    49   }
       
    50 
       
    51   static int test() {
       
    52     short[] a1 = new short[ARRLEN];
       
    53     short[] a2 = new short[ARRLEN];
       
    54     int[] b1 = new int[ARRLEN];
       
    55     int[] b2 = new int[ARRLEN];
       
    56     System.out.println("Warmup");
       
    57     for (int i=0; i<ITERS; i++) {
       
    58       test_ci(a1, b1);
       
    59       test_vi(a2, b2, (short)123, (int)103);
       
    60       test_cp(a1, a2, b1, b2);
       
    61       test_ci_neg(a1, b1);
       
    62       test_vi_neg(a1, b1, (short)123, (int)103);
       
    63       test_cp_neg(a1, a2, b1, b2);
       
    64       test_ci_oppos(a1, b1);
       
    65       test_vi_oppos(a1, b1, (short)123, (int)103);
       
    66       test_cp_oppos(a1, a2, b1, b2);
       
    67       test_ci_aln(a1, b1);
       
    68       test_vi_aln(a1, b1, (short)123, (int)103);
       
    69       test_cp_alndst(a1, a2, b1, b2);
       
    70       test_cp_alnsrc(a1, a2, b1, b2);
       
    71       test_ci_unaln(a1, b1);
       
    72       test_vi_unaln(a1, b1, (short)123, (int)103);
       
    73       test_cp_unalndst(a1, a2, b1, b2);
       
    74       test_cp_unalnsrc(a1, a2, b1, b2);
       
    75     }
       
    76     // Initialize
       
    77     for (int i=0; i<ARRLEN; i++) {
       
    78       a1[i] = -1;
       
    79       a2[i] = -1;
       
    80       b1[i] = -1;
       
    81       b2[i] = -1;
       
    82     }
       
    83     // Test and verify results
       
    84     System.out.println("Verification");
       
    85     int errn = 0;
       
    86     {
       
    87       test_ci(a1, b1);
       
    88       for (int i=0; i<ARRLEN; i++) {
       
    89         errn += verify("test_ci: a1", i, a1[i], (short)-123);
       
    90         errn += verify("test_ci: b1", i, b1[i], (int)-103);
       
    91       }
       
    92       test_vi(a2, b2, (short)123, (int)103);
       
    93       for (int i=0; i<ARRLEN; i++) {
       
    94         errn += verify("test_vi: a2", i, a2[i], (short)123);
       
    95         errn += verify("test_vi: b2", i, b2[i], (int)103);
       
    96       }
       
    97       test_cp(a1, a2, b1, b2);
       
    98       for (int i=0; i<ARRLEN; i++) {
       
    99         errn += verify("test_cp: a1", i, a1[i], (short)123);
       
   100         errn += verify("test_cp: b1", i, b1[i], (int)103);
       
   101       }
       
   102 
       
   103       // Reset for negative stride
       
   104       for (int i=0; i<ARRLEN; i++) {
       
   105         a1[i] = -1;
       
   106         a2[i] = -1;
       
   107         b1[i] = -1;
       
   108         b2[i] = -1;
       
   109       }
       
   110       test_ci_neg(a1, b1);
       
   111       for (int i=0; i<ARRLEN; i++) {
       
   112         errn += verify("test_ci_neg: a1", i, a1[i], (short)-123);
       
   113         errn += verify("test_ci_neg: b1", i, b1[i], (int)-103);
       
   114       }
       
   115       test_vi_neg(a2, b2, (short)123, (int)103);
       
   116       for (int i=0; i<ARRLEN; i++) {
       
   117         errn += verify("test_vi_neg: a2", i, a2[i], (short)123);
       
   118         errn += verify("test_vi_neg: b2", i, b2[i], (int)103);
       
   119       }
       
   120       test_cp_neg(a1, a2, b1, b2);
       
   121       for (int i=0; i<ARRLEN; i++) {
       
   122         errn += verify("test_cp_neg: a1", i, a1[i], (short)123);
       
   123         errn += verify("test_cp_neg: b1", i, b1[i], (int)103);
       
   124       }
       
   125 
       
   126       // Reset for opposite stride
       
   127       for (int i=0; i<ARRLEN; i++) {
       
   128         a1[i] = -1;
       
   129         a2[i] = -1;
       
   130         b1[i] = -1;
       
   131         b2[i] = -1;
       
   132       }
       
   133       test_ci_oppos(a1, b1);
       
   134       for (int i=0; i<ARRLEN; i++) {
       
   135         errn += verify("test_ci_oppos: a1", i, a1[i], (short)-123);
       
   136         errn += verify("test_ci_oppos: b1", i, b1[i], (int)-103);
       
   137       }
       
   138       test_vi_oppos(a2, b2, (short)123, (int)103);
       
   139       for (int i=0; i<ARRLEN; i++) {
       
   140         errn += verify("test_vi_oppos: a2", i, a2[i], (short)123);
       
   141         errn += verify("test_vi_oppos: b2", i, b2[i], (int)103);
       
   142       }
       
   143       test_cp_oppos(a1, a2, b1, b2);
       
   144       for (int i=0; i<ARRLEN; i++) {
       
   145         errn += verify("test_cp_oppos: a1", i, a1[i], (short)123);
       
   146         errn += verify("test_cp_oppos: b1", i, b1[i], (int)103);
       
   147       }
       
   148 
       
   149       // Reset for 2 arrays with relative aligned offset
       
   150       for (int i=0; i<ARRLEN; i++) {
       
   151         a1[i] = -1;
       
   152         a2[i] = 123;
       
   153         b1[i] = -1;
       
   154         b2[i] = 123;
       
   155       }
       
   156       test_cp_alndst(a1, a2, b1, b2);
       
   157       for (int i=0; i<ALIGN_OFF; i++) {
       
   158         errn += verify("test_cp_alndst: a1", i, a1[i], (short)-1);
       
   159         errn += verify("test_cp_alndst: b1", i, b1[i], (int)-1);
       
   160       }
       
   161       for (int i=ALIGN_OFF; i<ARRLEN; i++) {
       
   162         errn += verify("test_cp_alndst: a1", i, a1[i], (short)123);
       
   163         errn += verify("test_cp_alndst: b1", i, b1[i], (int)123);
       
   164       }
       
   165       for (int i=0; i<ARRLEN; i++) {
       
   166         a2[i] = -123;
       
   167         b2[i] = -123;
       
   168       }
       
   169       test_cp_alnsrc(a1, a2, b1, b2);
       
   170       for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
       
   171         errn += verify("test_cp_alnsrc: a1", i, a1[i], (short)-123);
       
   172         errn += verify("test_cp_alnsrc: b1", i, b1[i], (int)-123);
       
   173       }
       
   174       for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
       
   175         errn += verify("test_cp_alnsrc: a1", i, a1[i], (short)123);
       
   176         errn += verify("test_cp_alnsrc: b1", i, b1[i], (int)123);
       
   177       }
       
   178 
       
   179       for (int i=0; i<ARRLEN; i++) {
       
   180         a1[i] = -1;
       
   181         b1[i] = -1;
       
   182       }
       
   183       test_ci_aln(a1, b1);
       
   184       for (int i=0; i<ALIGN_OFF; i++) {
       
   185         errn += verify("test_ci_aln: a1", i, a1[i], (short)-1);
       
   186       }
       
   187       for (int i=ALIGN_OFF; i<ARRLEN; i++) {
       
   188         errn += verify("test_ci_aln: a1", i, a1[i], (short)-123);
       
   189       }
       
   190       for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
       
   191         errn += verify("test_ci_aln: b1", i, b1[i], (int)-103);
       
   192       }
       
   193       for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
       
   194         errn += verify("test_ci_aln: b1", i, b1[i], (int)-1);
       
   195       }
       
   196 
       
   197       for (int i=0; i<ARRLEN; i++) {
       
   198         a1[i] = -1;
       
   199         b1[i] = -1;
       
   200       }
       
   201       test_vi_aln(a1, b1, (short)123, (int)103);
       
   202       for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
       
   203         errn += verify("test_vi_aln: a1", i, a1[i], (short)123);
       
   204       }
       
   205       for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
       
   206         errn += verify("test_vi_aln: a1", i, a1[i], (short)-1);
       
   207       }
       
   208       for (int i=0; i<ALIGN_OFF; i++) {
       
   209         errn += verify("test_vi_aln: b1", i, b1[i], (int)-1);
       
   210       }
       
   211       for (int i=ALIGN_OFF; i<ARRLEN; i++) {
       
   212         errn += verify("test_vi_aln: b1", i, b1[i], (int)103);
       
   213       }
       
   214 
       
   215       // Reset for 2 arrays with relative unaligned offset
       
   216       for (int i=0; i<ARRLEN; i++) {
       
   217         a1[i] = -1;
       
   218         a2[i] = 123;
       
   219         b1[i] = -1;
       
   220         b2[i] = 123;
       
   221       }
       
   222       test_cp_unalndst(a1, a2, b1, b2);
       
   223       for (int i=0; i<UNALIGN_OFF; i++) {
       
   224         errn += verify("test_cp_unalndst: a1", i, a1[i], (short)-1);
       
   225         errn += verify("test_cp_unalndst: b1", i, b1[i], (int)-1);
       
   226       }
       
   227       for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
       
   228         errn += verify("test_cp_unalndst: a1", i, a1[i], (short)123);
       
   229         errn += verify("test_cp_unalndst: b1", i, b1[i], (int)123);
       
   230       }
       
   231       for (int i=0; i<ARRLEN; i++) {
       
   232         a2[i] = -123;
       
   233         b2[i] = -123;
       
   234       }
       
   235       test_cp_unalnsrc(a1, a2, b1, b2);
       
   236       for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
       
   237         errn += verify("test_cp_unalnsrc: a1", i, a1[i], (short)-123);
       
   238         errn += verify("test_cp_unalnsrc: b1", i, b1[i], (int)-123);
       
   239       }
       
   240       for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
       
   241         errn += verify("test_cp_unalnsrc: a1", i, a1[i], (short)123);
       
   242         errn += verify("test_cp_unalnsrc: b1", i, b1[i], (int)123);
       
   243       }
       
   244       for (int i=0; i<ARRLEN; i++) {
       
   245         a1[i] = -1;
       
   246         b1[i] = -1;
       
   247       }
       
   248       test_ci_unaln(a1, b1);
       
   249       for (int i=0; i<UNALIGN_OFF; i++) {
       
   250         errn += verify("test_ci_unaln: a1", i, a1[i], (short)-1);
       
   251       }
       
   252       for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
       
   253         errn += verify("test_ci_unaln: a1", i, a1[i], (short)-123);
       
   254       }
       
   255       for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
       
   256         errn += verify("test_ci_unaln: b1", i, b1[i], (int)-103);
       
   257       }
       
   258       for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
       
   259         errn += verify("test_ci_unaln: b1", i, b1[i], (int)-1);
       
   260       }
       
   261       for (int i=0; i<ARRLEN; i++) {
       
   262         a1[i] = -1;
       
   263         b1[i] = -1;
       
   264       }
       
   265       test_vi_unaln(a1, b1, (short)123, (int)103);
       
   266       for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
       
   267         errn += verify("test_vi_unaln: a1", i, a1[i], (short)123);
       
   268       }
       
   269       for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
       
   270         errn += verify("test_vi_unaln: a1", i, a1[i], (short)-1);
       
   271       }
       
   272       for (int i=0; i<UNALIGN_OFF; i++) {
       
   273         errn += verify("test_vi_unaln: b1", i, b1[i], (int)-1);
       
   274       }
       
   275       for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
       
   276         errn += verify("test_vi_unaln: b1", i, b1[i], (int)103);
       
   277       }
       
   278 
       
   279       // Reset for aligned overlap initialization
       
   280       for (int i=0; i<ALIGN_OFF; i++) {
       
   281         a1[i] = (short)i;
       
   282         b1[i] = (int)i;
       
   283       }
       
   284       for (int i=ALIGN_OFF; i<ARRLEN; i++) {
       
   285         a1[i] = -1;
       
   286         b1[i] = -1;
       
   287       }
       
   288       test_cp_alndst(a1, a1, b1, b1);
       
   289       for (int i=0; i<ARRLEN; i++) {
       
   290         int v = i%ALIGN_OFF;
       
   291         errn += verify("test_cp_alndst_overlap: a1", i, a1[i], (short)v);
       
   292         errn += verify("test_cp_alndst_overlap: b1", i, b1[i], (int)v);
       
   293       }
       
   294       for (int i=0; i<ALIGN_OFF; i++) {
       
   295         a1[i+ALIGN_OFF] = -1;
       
   296         b1[i+ALIGN_OFF] = -1;
       
   297       }
       
   298       test_cp_alnsrc(a1, a1, b1, b1);
       
   299       for (int i=0; i<ALIGN_OFF; i++) {
       
   300         errn += verify("test_cp_alnsrc_overlap: a1", i, a1[i], (short)-1);
       
   301         errn += verify("test_cp_alnsrc_overlap: b1", i, b1[i], (int)-1);
       
   302       }
       
   303       for (int i=ALIGN_OFF; i<ARRLEN; i++) {
       
   304         int v = i%ALIGN_OFF;
       
   305         errn += verify("test_cp_alnsrc_overlap: a1", i, a1[i], (short)v);
       
   306         errn += verify("test_cp_alnsrc_overlap: b1", i, b1[i], (int)v);
       
   307       }
       
   308 
       
   309       // Reset for unaligned overlap initialization
       
   310       for (int i=0; i<UNALIGN_OFF; i++) {
       
   311         a1[i] = (short)i;
       
   312         b1[i] = (int)i;
       
   313       }
       
   314       for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
       
   315         a1[i] = -1;
       
   316         b1[i] = -1;
       
   317       }
       
   318       test_cp_unalndst(a1, a1, b1, b1);
       
   319       for (int i=0; i<ARRLEN; i++) {
       
   320         int v = i%UNALIGN_OFF;
       
   321         errn += verify("test_cp_unalndst_overlap: a1", i, a1[i], (short)v);
       
   322         errn += verify("test_cp_unalndst_overlap: b1", i, b1[i], (int)v);
       
   323       }
       
   324       for (int i=0; i<UNALIGN_OFF; i++) {
       
   325         a1[i+UNALIGN_OFF] = -1;
       
   326         b1[i+UNALIGN_OFF] = -1;
       
   327       }
       
   328       test_cp_unalnsrc(a1, a1, b1, b1);
       
   329       for (int i=0; i<UNALIGN_OFF; i++) {
       
   330         errn += verify("test_cp_unalnsrc_overlap: a1", i, a1[i], (short)-1);
       
   331         errn += verify("test_cp_unalnsrc_overlap: b1", i, b1[i], (int)-1);
       
   332       }
       
   333       for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
       
   334         int v = i%UNALIGN_OFF;
       
   335         errn += verify("test_cp_unalnsrc_overlap: a1", i, a1[i], (short)v);
       
   336         errn += verify("test_cp_unalnsrc_overlap: b1", i, b1[i], (int)v);
       
   337       }
       
   338 
       
   339     }
       
   340 
       
   341     if (errn > 0)
       
   342       return errn;
       
   343 
       
   344     System.out.println("Time");
       
   345     long start, end;
       
   346     start = System.currentTimeMillis();
       
   347     for (int i=0; i<ITERS; i++) {
       
   348       test_ci(a1, b1);
       
   349     }
       
   350     end = System.currentTimeMillis();
       
   351     System.out.println("test_ci: " + (end - start));
       
   352     start = System.currentTimeMillis();
       
   353     for (int i=0; i<ITERS; i++) {
       
   354       test_vi(a2, b2, (short)123, (int)103);
       
   355     }
       
   356     end = System.currentTimeMillis();
       
   357     System.out.println("test_vi: " + (end - start));
       
   358     start = System.currentTimeMillis();
       
   359     for (int i=0; i<ITERS; i++) {
       
   360       test_cp(a1, a2, b1, b2);
       
   361     }
       
   362     end = System.currentTimeMillis();
       
   363     System.out.println("test_cp: " + (end - start));
       
   364     start = System.currentTimeMillis();
       
   365     for (int i=0; i<ITERS; i++) {
       
   366       test_ci_neg(a1, b1);
       
   367     }
       
   368     end = System.currentTimeMillis();
       
   369     System.out.println("test_ci_neg: " + (end - start));
       
   370     start = System.currentTimeMillis();
       
   371     for (int i=0; i<ITERS; i++) {
       
   372       test_vi_neg(a1, b1, (short)123, (int)103);
       
   373     }
       
   374     end = System.currentTimeMillis();
       
   375     System.out.println("test_vi_neg: " + (end - start));
       
   376     start = System.currentTimeMillis();
       
   377     for (int i=0; i<ITERS; i++) {
       
   378       test_cp_neg(a1, a2, b1, b2);
       
   379     }
       
   380     end = System.currentTimeMillis();
       
   381     System.out.println("test_cp_neg: " + (end - start));
       
   382     start = System.currentTimeMillis();
       
   383     for (int i=0; i<ITERS; i++) {
       
   384       test_ci_oppos(a1, b1);
       
   385     }
       
   386     end = System.currentTimeMillis();
       
   387     System.out.println("test_ci_oppos: " + (end - start));
       
   388     start = System.currentTimeMillis();
       
   389     for (int i=0; i<ITERS; i++) {
       
   390       test_vi_oppos(a1, b1, (short)123, (int)103);
       
   391     }
       
   392     end = System.currentTimeMillis();
       
   393     System.out.println("test_vi_oppos: " + (end - start));
       
   394     start = System.currentTimeMillis();
       
   395     for (int i=0; i<ITERS; i++) {
       
   396       test_cp_oppos(a1, a2, b1, b2);
       
   397     }
       
   398     end = System.currentTimeMillis();
       
   399     System.out.println("test_cp_oppos: " + (end - start));
       
   400     start = System.currentTimeMillis();
       
   401     for (int i=0; i<ITERS; i++) {
       
   402       test_ci_aln(a1, b1);
       
   403     }
       
   404     end = System.currentTimeMillis();
       
   405     System.out.println("test_ci_aln: " + (end - start));
       
   406     start = System.currentTimeMillis();
       
   407     for (int i=0; i<ITERS; i++) {
       
   408       test_vi_aln(a1, b1, (short)123, (int)103);
       
   409     }
       
   410     end = System.currentTimeMillis();
       
   411     System.out.println("test_vi_aln: " + (end - start));
       
   412     start = System.currentTimeMillis();
       
   413     for (int i=0; i<ITERS; i++) {
       
   414       test_cp_alndst(a1, a2, b1, b2);
       
   415     }
       
   416     end = System.currentTimeMillis();
       
   417     System.out.println("test_cp_alndst: " + (end - start));
       
   418     start = System.currentTimeMillis();
       
   419     for (int i=0; i<ITERS; i++) {
       
   420       test_cp_alnsrc(a1, a2, b1, b2);
       
   421     }
       
   422     end = System.currentTimeMillis();
       
   423     System.out.println("test_cp_alnsrc: " + (end - start));
       
   424     start = System.currentTimeMillis();
       
   425     for (int i=0; i<ITERS; i++) {
       
   426       test_ci_unaln(a1, b1);
       
   427     }
       
   428     end = System.currentTimeMillis();
       
   429     System.out.println("test_ci_unaln: " + (end - start));
       
   430     start = System.currentTimeMillis();
       
   431     for (int i=0; i<ITERS; i++) {
       
   432       test_vi_unaln(a1, b1, (short)123, (int)103);
       
   433     }
       
   434     end = System.currentTimeMillis();
       
   435     System.out.println("test_vi_unaln: " + (end - start));
       
   436     start = System.currentTimeMillis();
       
   437     for (int i=0; i<ITERS; i++) {
       
   438       test_cp_unalndst(a1, a2, b1, b2);
       
   439     }
       
   440     end = System.currentTimeMillis();
       
   441     System.out.println("test_cp_unalndst: " + (end - start));
       
   442     start = System.currentTimeMillis();
       
   443     for (int i=0; i<ITERS; i++) {
       
   444       test_cp_unalnsrc(a1, a2, b1, b2);
       
   445     }
       
   446     end = System.currentTimeMillis();
       
   447     System.out.println("test_cp_unalnsrc: " + (end - start));
       
   448     return errn;
       
   449   }
       
   450 
       
   451   static void test_ci(short[] a, int[] b) {
       
   452     for (int i = 0; i < a.length; i+=1) {
       
   453       a[i] = -123;
       
   454       b[i] = -103;
       
   455     }
       
   456   }
       
   457   static void test_vi(short[] a, int[] b, short c, int d) {
       
   458     for (int i = 0; i < a.length; i+=1) {
       
   459       a[i] = c;
       
   460       b[i] = d;
       
   461     }
       
   462   }
       
   463   static void test_cp(short[] a, short[] b, int[] c, int[] d) {
       
   464     for (int i = 0; i < a.length; i+=1) {
       
   465       a[i] = b[i];
       
   466       c[i] = d[i];
       
   467     }
       
   468   }
       
   469   static void test_ci_neg(short[] a, int[] b) {
       
   470     for (int i = a.length-1; i >= 0; i-=1) {
       
   471       a[i] = -123;
       
   472       b[i] = -103;
       
   473     }
       
   474   }
       
   475   static void test_vi_neg(short[] a, int[] b, short c, int d) {
       
   476     for (int i = a.length-1; i >= 0; i-=1) {
       
   477       a[i] = c;
       
   478       b[i] = d;
       
   479     }
       
   480   }
       
   481   static void test_cp_neg(short[] a, short[] b, int[] c, int[] d) {
       
   482     for (int i = a.length-1; i >= 0; i-=1) {
       
   483       a[i] = b[i];
       
   484       c[i] = d[i];
       
   485     }
       
   486   }
       
   487   static void test_ci_oppos(short[] a, int[] b) {
       
   488     int limit = a.length-1;
       
   489     for (int i = 0; i < a.length; i+=1) {
       
   490       a[limit-i] = -123;
       
   491       b[i] = -103;
       
   492     }
       
   493   }
       
   494   static void test_vi_oppos(short[] a, int[] b, short c, int d) {
       
   495     int limit = a.length-1;
       
   496     for (int i = a.length-1; i >= 0; i-=1) {
       
   497       a[i] = c;
       
   498       b[limit-i] = d;
       
   499     }
       
   500   }
       
   501   static void test_cp_oppos(short[] a, short[] b, int[] c, int[] d) {
       
   502     int limit = a.length-1;
       
   503     for (int i = 0; i < a.length; i+=1) {
       
   504       a[i] = b[limit-i];
       
   505       c[limit-i] = d[i];
       
   506     }
       
   507   }
       
   508   static void test_ci_aln(short[] a, int[] b) {
       
   509     for (int i = 0; i < a.length-ALIGN_OFF; i+=1) {
       
   510       a[i+ALIGN_OFF] = -123;
       
   511       b[i] = -103;
       
   512     }
       
   513   }
       
   514   static void test_vi_aln(short[] a, int[] b, short c, int d) {
       
   515     for (int i = 0; i < a.length-ALIGN_OFF; i+=1) {
       
   516       a[i] = c;
       
   517       b[i+ALIGN_OFF] = d;
       
   518     }
       
   519   }
       
   520   static void test_cp_alndst(short[] a, short[] b, int[] c, int[] d) {
       
   521     for (int i = 0; i < a.length-ALIGN_OFF; i+=1) {
       
   522       a[i+ALIGN_OFF] = b[i];
       
   523       c[i+ALIGN_OFF] = d[i];
       
   524     }
       
   525   }
       
   526   static void test_cp_alnsrc(short[] a, short[] b, int[] c, int[] d) {
       
   527     for (int i = 0; i < a.length-ALIGN_OFF; i+=1) {
       
   528       a[i] = b[i+ALIGN_OFF];
       
   529       c[i] = d[i+ALIGN_OFF];
       
   530     }
       
   531   }
       
   532   static void test_ci_unaln(short[] a, int[] b) {
       
   533     for (int i = 0; i < a.length-UNALIGN_OFF; i+=1) {
       
   534       a[i+UNALIGN_OFF] = -123;
       
   535       b[i] = -103;
       
   536     }
       
   537   }
       
   538   static void test_vi_unaln(short[] a, int[] b, short c, int d) {
       
   539     for (int i = 0; i < a.length-UNALIGN_OFF; i+=1) {
       
   540       a[i] = c;
       
   541       b[i+UNALIGN_OFF] = d;
       
   542     }
       
   543   }
       
   544   static void test_cp_unalndst(short[] a, short[] b, int[] c, int[] d) {
       
   545     for (int i = 0; i < a.length-UNALIGN_OFF; i+=1) {
       
   546       a[i+UNALIGN_OFF] = b[i];
       
   547       c[i+UNALIGN_OFF] = d[i];
       
   548     }
       
   549   }
       
   550   static void test_cp_unalnsrc(short[] a, short[] b, int[] c, int[] d) {
       
   551     for (int i = 0; i < a.length-UNALIGN_OFF; i+=1) {
       
   552       a[i] = b[i+UNALIGN_OFF];
       
   553       c[i] = d[i+UNALIGN_OFF];
       
   554     }
       
   555   }
       
   556 
       
   557   static int verify(String text, int i, short elem, short val) {
       
   558     if (elem != val) {
       
   559       System.err.println(text + "[" + i + "] = " + elem + " != " + val);
       
   560       return 1;
       
   561     }
       
   562     return 0;
       
   563   }
       
   564   static int verify(String text, int i, int elem, int val) {
       
   565     if (elem != val) {
       
   566       System.err.println(text + "[" + i + "] = " + elem + " != " + val);
       
   567       return 1;
       
   568     }
       
   569     return 0;
       
   570   }
       
   571 }