Subversion Repositories openrisc

/* Implementation of the CPU_TIME intrinsic.

   Copyright (C) 2003, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.

This file is part of the GNU Fortran runtime library (libgfortran).

Libgfortran is free software; you can redistribute it and/or

modify it under the terms of the GNU General Public

License as published by the Free Software Foundation; either

version 3 of the License, or (at your option) any later version.

Libgfortran is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.

Under Section 7 of GPL version 3, you are granted additional

permissions described in the GCC Runtime Library Exception, version

3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and

a copy of the GCC Runtime Library Exception along with this program;

see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

<http://www.gnu.org/licenses/>.  */

#include "libgfortran.h"

#include "time_1.h"

static void

__cpu_time_1 (long *sec, long *usec)

{

  long user_sec, user_usec, system_sec, system_usec;

  if (gf_cputime (&user_sec, &user_usec, &system_sec, &system_usec) == 0)

    {

      *sec = user_sec + system_sec;

      *usec = user_usec + system_usec;

    }

  else

    {

      *sec = -1;

      *usec = 0;

    }

}

extern void cpu_time_4 (GFC_REAL_4 *);

iexport_proto(cpu_time_4);

void cpu_time_4 (GFC_REAL_4 *time)

{

  long sec, usec;

  __cpu_time_1 (&sec, &usec);

  *time = sec + usec * GFC_REAL_4_LITERAL(1.e-6);

}

iexport(cpu_time_4);

extern void cpu_time_8 (GFC_REAL_8 *);

export_proto(cpu_time_8);

void cpu_time_8 (GFC_REAL_8 *time)

{

  long sec, usec;

  __cpu_time_1 (&sec, &usec);

  *time = sec + usec * GFC_REAL_8_LITERAL(1.e-6);

}

#ifdef HAVE_GFC_REAL_10

extern void cpu_time_10 (GFC_REAL_10 *);

export_proto(cpu_time_10);

void cpu_time_10 (GFC_REAL_10 *time)

{

  long sec, usec;

  __cpu_time_1 (&sec, &usec);

  *time = sec + usec * GFC_REAL_10_LITERAL(1.e-6);

}

#endif

#ifdef HAVE_GFC_REAL_16

extern void cpu_time_16 (GFC_REAL_16 *);

export_proto(cpu_time_16);

void cpu_time_16 (GFC_REAL_16 *time)

{

  long sec, usec;

  __cpu_time_1 (&sec, &usec);

  *time = sec + usec * GFC_REAL_16_LITERAL(1.e-6);

}

#endif

extern void second_sub (GFC_REAL_4 *);

export_proto(second_sub);

void

second_sub (GFC_REAL_4 *s)

{

  cpu_time_4 (s);

}

extern GFC_REAL_4 second (void);

export_proto(second);

GFC_REAL_4

second (void)

{

  GFC_REAL_4 s;

  cpu_time_4 (&s);

  return s;

}