contrib/openbsd_libm/arch/amd64/e_scalb.S

   1 /*      $OpenBSD: e_scalb.S,v 1.3 2008/09/07 20:36:08 martynas Exp $ */
   2 /*
   3  * Written by J.T. Conklin <jtc@NetBSD.org>.
   4  * Public domain.
   5  */
   6
   7 #include <machine/asm.h>
   8
   9 #include "abi.h"
  10
  11 ENTRY(scalb)
  12         XMM_TWO_ARG_DOUBLE_PROLOGUE
  13         fldl    ARG_DOUBLE_TWO
  14         fldl    ARG_DOUBLE_ONE
  15         fscale
  16         fstp    %st(1)                  /* bug fix for fp stack overflow */
  17         XMM_DOUBLE_EPILOGUE
  18         ret