5261 libm should stop using synonyms.h
5298 fabs is 0-sized, confuses dis(1) and others
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Gordon Ross <gwr@nexenta.com>

          --- old/usr/src/lib/libm/i386/src/rint.s
          +++ new/usr/src/lib/libm/i386/src/rint.s

   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   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.

  23   23   */
  24   24  /*
  25   25   * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  26   26   * Use is subject to license terms.
  27   27   */
  28   28  
  29   29          .file "rint.s"
  30   30  
  31   31  #include "libm.h"
  32   32  LIBM_ANSI_PRAGMA_WEAK(rint,function)
  33      -#include "libm_synonyms.h"
  34   33  
  35   34          ENTRY(rint)
  36   35          fldl    4(%esp)                 / load x
  37   36          movl    8(%esp),%eax            / eax <-- hi_32(x)
  38   37          andl    $0x7fffffff,%eax        / eax <-- hi_32(|x|)
  39   38          cmpl    $0x43300000,%eax        / is |x| >= 2**52?
  40   39          jae     .done                   / if so, branch (already integral)
  41   40          frndint                         / [x], per rounding mode
  42   41  .done:
  43   42          fwait
  44   43          ret
  45   44          .align  4
  46   45          SET_SIZE(rint)
    

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