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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/i386/src/ilogb.s
          +++ new/usr/src/lib/libm/i386/src/ilogb.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 "ilogb.s"
  30   30  
  31   31  #include "libm.h"
  32   32  LIBM_ANSI_PRAGMA_WEAK(ilogb,function)
  33      -#include "libm_synonyms.h"
  34   33  #include "xpg6.h"
  35   34  
  36   35          .data
  37   36          .align  8
  38   37  two52:  .long   0x0,0x43300000  / 2**52
  39   38  
  40   39          ENTRY(ilogb)
  41   40          movl    8(%esp),%eax            / eax <-- hi_32(x)
  42   41          andl    $0x7fffffff,%eax        / eax <-- hi_32(abs(x))
  43   42          testl   $0x7ff00000,%eax        / is bexp(x) 0?
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