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test/compiler/codegen/CRCTest.java

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rev 11557 : 8132919: use package in compiler tests
Reviewed-by: duke


   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    @test
  26    @bug 7088419
  27    @run main CRCTest
  28    @summary Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 and java.util.zip.Adler32

  29  */
  30 


  31 import java.nio.ByteBuffer;
  32 import java.util.zip.CRC32;
  33 import java.util.zip.Checksum;
  34 
  35 public class CRCTest {
  36 
  37     public static void main(String[] args) throws Exception {
  38 
  39         byte[] b = initializedBytes(4096 * 4096);
  40 
  41         {
  42             CRC32 crc1 = new CRC32();
  43             CRC32 crc2 = new CRC32();
  44             CRC32 crc3 = new CRC32();
  45             CRC32 crc4 = new CRC32();
  46 
  47             crc1.update(b, 0, b.length);
  48             updateSerial(crc2, b, 0, b.length);
  49             updateDirect(crc3, b, 0, b.length);
  50             updateSerialSlow(crc4, b, 0, b.length);




   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  * @test
  26  * @bug 7088419
  27  * @summary Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 and java.util.zip.Adler32
  28  *
  29  * @run main compiler.codegen.CRCTest
  30  */
  31 
  32 package compiler.codegen;
  33 
  34 import java.nio.ByteBuffer;
  35 import java.util.zip.CRC32;
  36 import java.util.zip.Checksum;
  37 
  38 public class CRCTest {
  39 
  40     public static void main(String[] args) throws Exception {
  41 
  42         byte[] b = initializedBytes(4096 * 4096);
  43 
  44         {
  45             CRC32 crc1 = new CRC32();
  46             CRC32 crc2 = new CRC32();
  47             CRC32 crc3 = new CRC32();
  48             CRC32 crc4 = new CRC32();
  49 
  50             crc1.update(b, 0, b.length);
  51             updateSerial(crc2, b, 0, b.length);
  52             updateDirect(crc3, b, 0, b.length);
  53             updateSerialSlow(crc4, b, 0, b.length);


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