src/share/vm/code/compressedStream.cpp

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2014, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 1997, 2017, 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.
*** 37,49 ****
  
  // 32-bit self-inverse encoding of float bits
  // converts trailing zeroes (common in floats) to leading zeroes
  inline juint CompressedStream::reverse_int(juint i) {
    // Hacker's Delight, Figure 7-1
!   i = (i & 0x55555555) << 1 | (i >> 1) & 0x55555555;
!   i = (i & 0x33333333) << 2 | (i >> 2) & 0x33333333;
!   i = (i & 0x0f0f0f0f) << 4 | (i >> 4) & 0x0f0f0f0f;
    i = (i << 24) | ((i & 0xff00) << 8) | ((i >> 8) & 0xff00) | (i >> 24);
    return i;
  }
  
  
--- 37,49 ----
  
  // 32-bit self-inverse encoding of float bits
  // converts trailing zeroes (common in floats) to leading zeroes
  inline juint CompressedStream::reverse_int(juint i) {
    // Hacker's Delight, Figure 7-1
!   i = (i & 0x55555555) << 1 | ((i >> 1) & 0x55555555);
!   i = (i & 0x33333333) << 2 | ((i >> 2) & 0x33333333);
!   i = (i & 0x0f0f0f0f) << 4 | ((i >> 4) & 0x0f0f0f0f);
    i = (i << 24) | ((i & 0xff00) << 8) | ((i >> 8) & 0xff00) | (i >> 24);
    return i;
  }