--- old/usr/src/lib/libm/common/m9x/nan.c
          +++ new/usr/src/lib/libm/common/m9x/nan.c

   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END
  20   20   */
  21   21  
  22   22  /*
  23   23   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
  24   24   */
  25   25  /*
  26   26   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  27   27   * Use is subject to license terms.
  28   28   */
  29   29  
  30   30  #if defined(ELFOBJ)

  31   31  #pragma weak nan = __nan
  32   32  #endif
  33   33  
  34   34  /*
  35   35   *  nan(c) returns a NaN.  This implementation ignores c.
  36   36   */
  37   37  
  38   38  #include "libm.h"
  39   39  #include <sys/isa_defs.h>
  40   40  
  41      -#if defined(_BIG_ENDIAN)
       41 +#if defined(__sparc)
  42   42  
  43   43  static const union {
  44   44          unsigned i[2];
  45   45          double d;
  46   46  } __nan_union = { 0x7fffffff, 0xffffffff };
  47   47  
  48      -#else
       48 +#elif defined(__i386) || defined(__amd64)
  49   49  
  50   50  static const union {
  51   51          unsigned i[2];
  52   52          double d;
  53   53  } __nan_union = { 0xffffffff, 0x7fffffff };
  54   54  
       55 +#else
       56 +#error Unknown architecture
  55   57  #endif
  56   58  
  57   59  /* ARGSUSED0 */
  58   60  double
  59   61  __nan(const char *c) {
  60   62          return (__nan_union.d);
  61   63  }
    

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