lib/libm/arch/i387/s_logb.S

   1 /*
   2  * Written by J.T. Conklin <jtc@NetBSD.org>.
   3  * Public domain.
   4  */
   5
   6 #include <machine/asm.h>
   7
   8 #include "abi.h"
   9
  10 RCSID("$NetBSD: s_logb.S,v 1.5 2001/06/19 00:26:30 fvdl Exp $")
  11
  12 ENTRY(logb)
  13         XMM_ONE_ARG_DOUBLE_PROLOGUE
  14         fldl    ARG_DOUBLE_ONE
  15         fxtract
  16         fstp    %st
  17         XMM_DOUBLE_EPILOGUE
  18         ret