5261 libm should stop using synonyms.h

          --- old/usr/src/lib/libm/common/m9x/llrint.c
          +++ new/usr/src/lib/libm/common/m9x/llrint.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      -#pragma weak llrint = __llrint
       30 +#pragma weak __llrint = llrint
  31   31  #if defined(__sparcv9) || defined(__amd64)
  32      -#pragma weak lrint = __llrint
  33      -#pragma weak __lrint = __llrint
       32 +#pragma weak lrint = llrint
       33 +#pragma weak __lrint = llrint
  34   34  #endif
  35   35  
  36   36  /*
  37   37   * llrint(x) rounds its argument to the nearest integer according
  38   38   * to the current rounding direction and converts the result to a
  39   39   * 64 bit signed integer.
  40   40   *
  41   41   * If x is NaN, infinite, or so large that the nearest integer would
  42   42   * exceed 64 bits, the invalid operation exception is raised.  If x
  43   43   * is not an integer, the inexact exception is raised.

  44   44   */
  45   45  
  46   46  #include "libm.h"
  47   47  
  48   48  long long
  49   49  llrint(double x) {
  50   50          /*
  51   51           * Note: The following code works on x86 (in the default rounding
  52   52           * precision mode), but one should just use the fistpll instruction
  53   53           * instead.
  54   54           */
  55   55          union {
  56   56                  unsigned i[2];
  57   57                  double d;
  58   58          } xx, yy;
  59   59          unsigned hx;
  60   60  
  61   61          xx.d = x;
  62   62          hx = xx.i[HIWORD] & ~0x80000000;
  63   63  
  64   64          if (hx < 0x43300000) { /* |x| < 2^52 */
  65   65                  /* add and subtract a power of two to round x to an integer */
  66   66  #if defined(__sparc) || defined(__amd64)
  67   67                  yy.i[HIWORD] = (xx.i[HIWORD] & 0x80000000) | 0x43300000;
  68   68  #elif defined(__i386)   /* !defined(__amd64) */
  69   69                  yy.i[HIWORD] = (xx.i[HIWORD] & 0x80000000) | 0x43e00000;
  70   70  #else
  71   71  #error Unknown architecture
  72   72  #endif
  73   73                  yy.i[LOWORD] = 0;
  74   74                  x = (x + yy.d) - yy.d;
  75   75          }
  76   76  
  77   77          /* now x is nan, inf, or integral */
  78   78          return ((long long) x);
  79   79  }

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