Subversion Repositories openrisc_2011-10-31

#include <ieeefp.h>

#include <ieeefp.h>

#include <machine/registers.h>

#include <machine/registers.h>

fp_except _DEFUN(fpsetmask,(newmask),

fp_except _DEFUN(fpsetmask,(newmask),

                fp_except newmask)

                fp_except newmask)

{

{

  fp_except oldmask;

  fp_except oldmask;

  v60_tkcw_type tkcw;

  v60_tkcw_type tkcw;

  sysv60(0, 8, &tkcw);

  sysv60(0, 8, &tkcw);

  oldmask = tkcw.fp_trap;

  oldmask = tkcw.fp_trap;

  tkcw.fp_trap = newmask;

  tkcw.fp_trap = newmask;

  sysv60(0, 8, &tkcw);

  sysv60(0, 8, &tkcw);

  return oldmask;

  return oldmask;

}

}

fp_except _DEFUN_VOID(fpgetmask)

fp_except _DEFUN_VOID(fpgetmask)

{

{

  v60_tkcw_type tkcw;

  v60_tkcw_type tkcw;

  sysv60(0, 8, &tkcw);

  sysv60(0, 8, &tkcw);

  return tkcw.fp_trap;

  return tkcw.fp_trap;

}

}

fp_rnd _DEFUN_VOID(fpgetround)

fp_rnd _DEFUN_VOID(fpgetround)

{

{

  v60_tkcw_type tkcw;

  v60_tkcw_type tkcw;

  sysv60(0, 8, &tkcw);

  sysv60(0, 8, &tkcw);

  return tkcw.fp_rounding;

  return tkcw.fp_rounding;

}

}

fp_rnd _DEFUN(fpsetround,(rnd),

fp_rnd _DEFUN(fpsetround,(rnd),

             fp_rnd rnd)

             fp_rnd rnd)

{

{

  fp_rnd oldrnd;

  fp_rnd oldrnd;

  v60_tkcw_type tkcw;

  v60_tkcw_type tkcw;

  sysv60(0, 8, &tkcw);

  sysv60(0, 8, &tkcw);

  oldrnd = tkcw.fp_rounding;

  oldrnd = tkcw.fp_rounding;

  tkcw.fp_rounding = rnd;

  tkcw.fp_rounding = rnd;

  sysv60(0, 8, &tkcw);

  sysv60(0, 8, &tkcw);

  return oldrnd;

  return oldrnd;

}

}

fp_rdi _DEFUN_VOID(fpgetroundtoi)

fp_rdi _DEFUN_VOID(fpgetroundtoi)

{

{

  v60_tkcw_type tkcw;

  v60_tkcw_type tkcw;

  sysv60(0, 8, &tkcw);

  sysv60(0, 8, &tkcw);

  return tkcw.integer_rounding;

  return tkcw.integer_rounding;

}

}

fp_rdi _DEFUN(fpsetroundtoi,(rnd),

fp_rdi _DEFUN(fpsetroundtoi,(rnd),

             fp_rdi rnd)

             fp_rdi rnd)

{

{

  fp_rdi oldrnd;

  fp_rdi oldrnd;

  v60_tkcw_type tkcw;

  v60_tkcw_type tkcw;

  sysv60(0, 8, &tkcw);

  sysv60(0, 8, &tkcw);

  oldrnd = tkcw.integer_rounding;

  oldrnd = tkcw.integer_rounding;

  tkcw.integer_rounding = rnd;

  tkcw.integer_rounding = rnd;

  sysv60(0, 8, &tkcw);

  sysv60(0, 8, &tkcw);

  return oldrnd;

  return oldrnd;

}

}