lib/libm/arch/i386/e_log2.S

   1 /*
   2  * Written by Rui Paulo <rpaulo@NetBSD.org>, based on e_log.S.
   3  * Public domain.
   4  * $NetBSD: e_log2.S,v 1.1 2005/07/21 20:58:21 rpaulo Exp $
   5  */
   6
   7 #include <machine/asm.h>
   8
   9 #include "abi.h"
  10
  11 ENTRY(log2)
  12         XMM_ONE_ARG_DOUBLE_PROLOGUE
  13         fld1
  14         fldl    ARG_DOUBLE_ONE
  15         fyl2x
  16         XMM_DOUBLE_EPILOGUE
  17         ret
  18 END(log2)