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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>

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          --- old/usr/src/lib/libm/amd64/src/asinl.s
          +++ new/usr/src/lib/libm/amd64/src/asinl.s
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  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   "asinl.s"
  30   30  
  31   31  #include "libm.h"
  32   32  LIBM_ANSI_PRAGMA_WEAK(asinl,function)
  33      -#include "libm_synonyms.h"
  34      -
  35      -#undef fabs
  36   33  
  37   34          ENTRY(asinl)
  38   35          fldt    8(%rsp)                 / push x
  39   36          fld1                            / push 1
  40   37          fld     %st(1)                  / x , 1 , x
  41   38          fabs                            / |x| , 1 , x
  42   39          fucomip %st(1),%st
  43   40          ja      9f
  44   41          fadd    %st(1),%st              / 1+x,x
  45   42          fld1                            / 1,1+x,x
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