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/*

 ****************************************************************************

 *

 *                   "DHRYSTONE" Benchmark Program

 *                   -----------------------------

 *

 *  Version:    C, Version 2.1

 *

 *  File:       dhry_1.c (part 2 of 3)

 *

 *  Date:       May 25, 1988

 *

 *  Author:     Reinhold P. Weicker

 *

 ****************************************************************************

 */

#include "support.h"

#include "dhry.h"

#define NUM_RUNS (20)

#define DLX_FREQ 200  /* in MHz */

#ifndef strcpy

char *strcpy (char *dst0, char *src0)

{

  char *s = dst0;

  while ((*dst0++ = *src0++));

  return s;

}

#endif

#ifndef strcmp

int strcmp (const char *s1, const char *s2)

{

  while (*s1 && *s2 && *s1 == *s2) {

    s1++;

    s2++;

  }

  return (*(unsigned char *) s1) - (*(unsigned char *) s2);

}

#endif

#define DETECTNULL(X) (((X) - 0x01010101) & ~(X) & 0x80808080)

#define UNALIGNED(X, Y) \

  (((long)X & (sizeof (long) - 1)) | ((long)Y & (sizeof (long) - 1)))

/* Global Variables: */

Rec_Pointer     Ptr_Glob,

                Next_Ptr_Glob;

int             Int_Glob;

Boolean         Bool_Glob;

char            Ch_1_Glob,

                Ch_2_Glob;

int             Arr_1_Glob [50];

int             Arr_2_Glob [50] [50];

  /* forward declaration necessary since Enumeration may not simply be int */

#ifndef REG

        Boolean Reg = false;

#define REG

        /* REG becomes defined as empty */

        /* i.e. no register variables   */

#else

        Boolean Reg = true;

#endif

/* variables for time measurement: */

#define Too_Small_Time DLX_FREQ

unsigned int    Begin_Time,

                End_Time,

                User_Time;

/* end of variables for time measurement */

void Proc_1(REG Rec_Pointer Ptr_Val_Par);

void Proc_2(One_Fifty      *Int_Par_Ref);

void Proc_3(Rec_Pointer    *Ptr_Ref_Par);

void Proc_4();

void Proc_5();

void Proc_6(

    Enumeration     Enum_Val_Par,

    Enumeration    *Enum_Ref_Par);

void Proc_7(

    One_Fifty       Int_1_Par_Val,

    One_Fifty       Int_2_Par_Val,

    One_Fifty      *Int_Par_Ref);

void Proc_8(

    Arr_1_Dim       Arr_1_Par_Ref,

    Arr_2_Dim       Arr_2_Par_Ref,

    int             Int_1_Par_Val,

    int             Int_2_Par_Val);

Enumeration Func_1(Capital_Letter Ch_1_Par_Val,

                   Capital_Letter Ch_2_Par_Val);

Boolean Func_2(Str_30 Str_1_Par_Ref, Str_30 Str_2_Par_Ref);

Boolean Func_3(Enumeration     Enum_Par_Val);

int main ()

/*****/

  /* main program, corresponds to procedures        */

  /* Main and Proc_0 in the Ada version             */

{

        One_Fifty       Int_1_Loc;

  REG   One_Fifty       Int_2_Loc;

        One_Fifty       Int_3_Loc;

  REG   char            Ch_Index;

        Enumeration     Enum_Loc;

        Str_30          Str_1_Loc;

        Str_30          Str_2_Loc;

  REG   int             Run_Index;

  REG   int             Number_Of_Runs;

  Rec_Type              x, y;

  /* Initializations */

  Next_Ptr_Glob = (Rec_Pointer) &x;

  Ptr_Glob = (Rec_Pointer) &y;

  Ptr_Glob->Ptr_Comp                    = Next_Ptr_Glob;

  Ptr_Glob->Discr                       = Ident_1;

  Ptr_Glob->variant.var_1.Enum_Comp     = Ident_3;

  Ptr_Glob->variant.var_1.Int_Comp      = 40;

  strcpy (Ptr_Glob->variant.var_1.Str_Comp,

          "DHRYSTONE PROGRAM, SOME STRING");

  strcpy (Str_1_Loc, "DHRYSTONE PROGRAM, 1'ST STRING");

  Arr_2_Glob [8][7] = 10;

        /* Was missing in published program. Without this statement,    */

        /* Arr_2_Glob [8][7] would have an undefined value.             */

        /* Warning: With 16-Bit processors and Number_Of_Runs > 32000,  */

        /* overflow may occur for this array element.                   */

/* Initalize Data and Instruction Cache */

/*  printf ("\n");

  printf ("Dhrystone Benchmark, Version 2.1 (Language: C)\n");

  printf ("\n");

  if (Reg)

  {

    printf ("Program compiled with 'register' attribute\n");

    printf ("\n");

  }

  else

  {

    printf ("Program compiled without 'register' attribute\n");

    printf ("\n");

  }

  printf ("Please give the number of runs through the benchmark: ");

 */

  {

    int n;

    /* scanf ("%d", &n);

 */

    n = NUM_RUNS;

    Number_Of_Runs = n;

  }

  printf ("\n");

  printf ("Execution starts, %d runs through Dhrystone\n", Number_Of_Runs);

  /***************/

  /* Start timer */

  /***************/

/*  printf("%d", my_test2(Number_Of_Runs));*/

        Begin_Time = read_timer();

  for (Run_Index = 1; Run_Index <= Number_Of_Runs; ++Run_Index)

  {

    Proc_5();

    Proc_4();

      /* Ch_1_Glob == 'A', Ch_2_Glob == 'B', Bool_Glob == true */

    Int_1_Loc = 2;

    Int_2_Loc = 3;

    strcpy (Str_2_Loc, "DHRYSTONE PROGRAM, 2'ND STRING");

    Enum_Loc = Ident_2;

    Bool_Glob = ! Func_2 (Str_1_Loc, Str_2_Loc);

      /* Bool_Glob == 1 */

    while (Int_1_Loc < Int_2_Loc)  /* loop body executed once */

    {

      Int_3_Loc = 5 * Int_1_Loc - Int_2_Loc;

        /* Int_3_Loc == 7 */

      Proc_7 (Int_1_Loc, Int_2_Loc, &Int_3_Loc);

        /* Int_3_Loc == 7 */

      Int_1_Loc += 1;

    } /* while */

      /* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */

    Proc_8 (Arr_1_Glob, Arr_2_Glob, Int_1_Loc, Int_3_Loc);

      /* Int_Glob == 5 */

    Proc_1 (Ptr_Glob);

    for (Ch_Index = 'A'; Ch_Index <= Ch_2_Glob; ++Ch_Index)

                             /* loop body executed twice */

    {

      if (Enum_Loc == Func_1 (Ch_Index, 'C'))

          /* then, not executed */

        {

        Proc_6 (Ident_1, &Enum_Loc);

        strcpy (Str_2_Loc, "DHRYSTONE PROGRAM, 3'RD STRING");

        Int_2_Loc = Run_Index;

        Int_Glob = Run_Index;

        }

    }

      /* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */

    Int_2_Loc = Int_2_Loc * Int_1_Loc;

    Int_1_Loc = Int_2_Loc / Int_3_Loc;

    Int_2_Loc = 7 * (Int_2_Loc - Int_3_Loc) - Int_1_Loc;

      /* Int_1_Loc == 1, Int_2_Loc == 13, Int_3_Loc == 7 */

    Proc_2 (&Int_1_Loc);

      /* Int_1_Loc == 5 */

  } /* loop "for Run_Index" */

  /**************/

  /* Stop timer */

  /**************/

  End_Time = read_timer();

/*  printf ("Execution ends\n");

  printf ("\n");

  printf ("Final values of the variables used in the benchmark:\n");

  printf ("\n");

  printf ("Int_Glob:            %d\n", Int_Glob);

  printf ("        should be:   %d\n", 5);

  printf ("Bool_Glob:           %d\n", Bool_Glob);

  printf ("        should be:   %d\n", 1);

  printf ("Ch_1_Glob:           %c\n", Ch_1_Glob);

  printf ("        should be:   %c\n", 'A');

  printf ("Ch_2_Glob:           %c\n", Ch_2_Glob);

  printf ("        should be:   %c\n", 'B');

  printf ("Arr_1_Glob[8]:       %d\n", Arr_1_Glob[8]);

  printf ("        should be:   %d\n", 7);

  printf ("Arr_2_Glob[8][7]:    %d\n", Arr_2_Glob[8][7]);

  printf ("        should be:   Number_Of_Runs + 10\n");

  printf ("Ptr_Glob->\n");

  printf ("  Ptr_Comp:          %d\n", (int) Ptr_Glob->Ptr_Comp);

  printf ("        should be:   (implementation-dependent)\n");

  printf ("  Discr:             %d\n", Ptr_Glob->Discr);

  printf ("        should be:   %d\n", 0);

  printf ("  Enum_Comp:         %d\n", Ptr_Glob->variant.var_1.Enum_Comp);

  printf ("        should be:   %d\n", 2);

  printf ("  Int_Comp:          %d\n", Ptr_Glob->variant.var_1.Int_Comp);

  printf ("        should be:   %d\n", 17);

  printf ("  Str_Comp:          %s\n", Ptr_Glob->variant.var_1.Str_Comp);

  printf ("        should be:   DHRYSTONE PROGRAM, SOME STRING\n");

  printf ("Next_Ptr_Glob->\n");

  printf ("  Ptr_Comp:          %d\n", (int) Next_Ptr_Glob->Ptr_Comp);

  printf ("        should be:   (implementation-dependent), same as above\n");

  printf ("  Discr:             %d\n", Next_Ptr_Glob->Discr);

  printf ("        should be:   %d\n", 0);

  printf ("  Enum_Comp:         %d\n", Next_Ptr_Glob->variant.var_1.Enum_Comp);

  printf ("        should be:   %d\n", 1);

  printf ("  Int_Comp:          %d\n", Next_Ptr_Glob->variant.var_1.Int_Comp);

  printf ("        should be:   %d\n", 18);

  printf ("  Str_Comp:          %s\n",

                                Next_Ptr_Glob->variant.var_1.Str_Comp);

  printf ("        should be:   DHRYSTONE PROGRAM, SOME STRING\n");

  printf ("Int_1_Loc:           %d\n", Int_1_Loc);

  printf ("        should be:   %d\n", 5);

  printf ("Int_2_Loc:           %d\n", Int_2_Loc);

  printf ("        should be:   %d\n", 13);

  printf ("Int_3_Loc:           %d\n", Int_3_Loc);

  printf ("        should be:   %d\n", 7);

  printf ("Enum_Loc:            %d\n", Enum_Loc);

  printf ("        should be:   %d\n", 1);

  printf ("Str_1_Loc:           %s\n", Str_1_Loc);

  printf ("        should be:   DHRYSTONE PROGRAM, 1'ST STRING\n");

  printf ("Str_2_Loc:           %s\n", Str_2_Loc);

  printf ("        should be:   DHRYSTONE PROGRAM, 2'ND STRING\n");

*/

  User_Time = (End_Time - Begin_Time);

 /* microseconds */

  printf("Begin Time = %d us\n",Begin_Time);

  printf("End Time   = %d us\n",End_Time);

  if (User_Time < 0)

  {

    printf ("ERROR. Measured time negative\n");

    report (0xeeeeeeee);

    return  1;

  }

  else if (0 == User_Time)

  {

    printf ("Measured time too small to obtain meaningful results\n");

    printf ("Please increase number of runs\n");

    report (0xeeeeeeee);

    return  1;

  }

  else

  {

    unsigned int  Dhrystones_Per_Second = 1000000 * Number_Of_Runs / User_Time;

    printf ("Microseconds for one run through Dhrystone: ");

    printf ("%d us / %d runs\n", User_Time, Number_Of_Runs);

    printf ("Dhrystones per Second:                      ");

    printf ("%d \n", Dhrystones_Per_Second);

  }

  report (0xdeaddead);

  return 0;

}

void Proc_1(Ptr_Val_Par)

/******************/

        REG Rec_Pointer Ptr_Val_Par;

 /* executed once */

{

        REG Rec_Pointer Next_Record = Ptr_Val_Par->Ptr_Comp;

        /* == Ptr_Glob_Next */

        /* Local variable, initialized with Ptr_Val_Par->Ptr_Comp,    */

        /* corresponds to "rename" in Ada, "with" in Pascal           */

#if DBG

        report(0x20010);

#endif

        structassign(*Ptr_Val_Par->Ptr_Comp, *Ptr_Glob);

        Ptr_Val_Par->variant.var_1.Int_Comp = 5;

        Next_Record->variant.var_1.Int_Comp

        = Ptr_Val_Par->variant.var_1.Int_Comp;

        Next_Record->Ptr_Comp = Ptr_Val_Par->Ptr_Comp;

        Proc_3(&Next_Record->Ptr_Comp);

#if DBG

        report(0x20011);

#endif

        /*

         * Ptr_Val_Par->Ptr_Comp->Ptr_Comp == Ptr_Glob->Ptr_Comp

         */

        if (Next_Record->Discr == Ident_1)

        /* then, executed */

        {

        Next_Record->variant.var_1.Int_Comp = 6;

        Proc_6(Ptr_Val_Par->variant.var_1.Enum_Comp,

                   &Next_Record->variant.var_1.Enum_Comp);

#if DBG

        report(0x20012);

#endif

        Next_Record->Ptr_Comp = Ptr_Glob->Ptr_Comp;

        Proc_7(Next_Record->variant.var_1.Int_Comp, 10,

                   &Next_Record->variant.var_1.Int_Comp);

        } else          /* not executed */

        structassign(*Ptr_Val_Par, *Ptr_Val_Par->Ptr_Comp);

#if DBG

        report(0x20013);

#endif

}               /* Proc_1 */

void

  Proc_2(Int_Par_Ref)

/******************/

 /* executed once */

 /* *Int_Par_Ref == 1, becomes 4 */

        One_Fifty      *Int_Par_Ref;

{

        One_Fifty       Int_Loc;

        Enumeration     Enum_Loc = 0;

#if DBG

        report(0x20020);

#endif

        Int_Loc = *Int_Par_Ref + 10;

        do              /* executed once */

        if (Ch_1_Glob == 'A')

                /* then, executed */

        {

                Int_Loc -= 1;

                *Int_Par_Ref = Int_Loc - Int_Glob;

                Enum_Loc = Ident_1;

        }           /* if */

        while (Enum_Loc != Ident_1);/* true */

}               /* Proc_2 */

void

  Proc_3(Ptr_Ref_Par)

/******************/

 /* executed once */

 /* Ptr_Ref_Par becomes Ptr_Glob */

        Rec_Pointer    *Ptr_Ref_Par;

{

#if DBG

        report(0x20030);

#endif

        if (Ptr_Glob != Null)

        /* then, executed */

        *Ptr_Ref_Par = Ptr_Glob->Ptr_Comp;

        Proc_7(10, Int_Glob, &Ptr_Glob->variant.var_1.Int_Comp);

}               /* Proc_3 */

void

  Proc_4()

{               /* without parameters */

        /*******/

        /* executed once */

        Boolean         Bool_Loc;

#if DBG

        report(0x20040);

#endif

        Bool_Loc = Ch_1_Glob == 'A';

        Bool_Glob = Bool_Loc | Bool_Glob;

        Ch_2_Glob = 'B';

}               /* Proc_4 */

void

  Proc_5()

{               /* without parameters */

        /*******/

        /* executed once */

#if DBG

        report(0x20050);

#endif

        Ch_1_Glob = 'A';

        Bool_Glob = false;

}               /* Proc_5 */

/* @(#)dhry_2.c 1.2 92/05/28 14:44:54, AMD */

/*

 ****************************************************************************

 *

 *                   "DHRYSTONE" Benchmark Program

 *                   -----------------------------

 *

 *  Version:    C, Version 2.1

 *

 *  File:       dhry_2.c (part 3 of 3)

 *

 *  Date:       May 25, 1988

 *

 *  Author:     Reinhold P. Weicker

 *

 ****************************************************************************

 */

#ifndef REG

#define REG

 /* REG becomes defined as empty */

 /* i.e. no register variables   */

#ifdef _AM29K

#undef REG

#define REG register    /* Define REG; saves room on 127-char MS-DOS cmd line */

#endif

#endif

void

  Proc_6(Enum_Val_Par, Enum_Ref_Par)

/*********************************/

 /* executed once */

 /* Enum_Val_Par == Ident_3, Enum_Ref_Par becomes Ident_2 */

    Enumeration     Enum_Val_Par;

    Enumeration    *Enum_Ref_Par;

{

#if PROC_6

#if DBG

        report(0x20060);

#endif

    *Enum_Ref_Par = Enum_Val_Par;

    if (!Func_3(Enum_Val_Par))

        /* then, not executed */

        *Enum_Ref_Par = Ident_4;

    switch (Enum_Val_Par) {

    case Ident_1:

        *Enum_Ref_Par = Ident_1;

        break;

    case Ident_2:

        if (Int_Glob > 100)

            /* then */

            *Enum_Ref_Par = Ident_1;

        else

            *Enum_Ref_Par = Ident_4;

        break;

    case Ident_3:               /* executed */

        *Enum_Ref_Par = Ident_2;

        break;

    case Ident_4:

        break;

    case Ident_5:

        *Enum_Ref_Par = Ident_3;

        break;

    }                           /* switch */

#endif

    return;

}                               /* Proc_6 */

void

  Proc_7(Int_1_Par_Val, Int_2_Par_Val, Int_Par_Ref)

/**********************************************/

 /* executed three times                                      */

 /* first call:      Int_1_Par_Val == 2, Int_2_Par_Val == 3,  */

 /* Int_Par_Ref becomes 7                    */

 /* second call:     Int_1_Par_Val == 10, Int_2_Par_Val == 5, */

 /* Int_Par_Ref becomes 17                   */

 /* third call:      Int_1_Par_Val == 6, Int_2_Par_Val == 10, */

 /* Int_Par_Ref becomes 18                   */

    One_Fifty       Int_1_Par_Val;

    One_Fifty       Int_2_Par_Val;

    One_Fifty      *Int_Par_Ref;

{

    One_Fifty       Int_Loc;

#if DBG

        report(0x20070);

#endif

    Int_Loc = Int_1_Par_Val + 2;

    *Int_Par_Ref = Int_2_Par_Val + Int_Loc;

}                               /* Proc_7 */

void

  Proc_8(Arr_1_Par_Ref, Arr_2_Par_Ref, Int_1_Par_Val, Int_2_Par_Val)

/*********************************************************************/

 /* executed once      */

 /* Int_Par_Val_1 == 3 */

 /* Int_Par_Val_2 == 7 */

    Arr_1_Dim       Arr_1_Par_Ref;

    Arr_2_Dim       Arr_2_Par_Ref;

    int             Int_1_Par_Val;

    int             Int_2_Par_Val;

{

    REG One_Fifty   Int_Index;

    REG One_Fifty   Int_Loc;

#if DBG

      printf("X) Int_1_Par_Val: %x\n", Int_1_Par_Val);

      printf("X) Int_2_Par_Val: %x\n", Int_2_Par_Val);

#endif

#if DBG

        report(0x20080);

#endif

    Int_Loc = Int_1_Par_Val + 5;

    Arr_1_Par_Ref[Int_Loc] = Int_2_Par_Val;

    Arr_1_Par_Ref[Int_Loc + 1] = Arr_1_Par_Ref[Int_Loc];

    Arr_1_Par_Ref[Int_Loc + 30] = Int_Loc;

    for (Int_Index = Int_Loc; Int_Index <= Int_Loc + 1; ++Int_Index)

        Arr_2_Par_Ref[Int_Loc][Int_Index] = Int_Loc;

    Arr_2_Par_Ref[Int_Loc][Int_Loc - 1] += 1;

    Arr_2_Par_Ref[Int_Loc + 20][Int_Loc] = Arr_1_Par_Ref[Int_Loc];

    Int_Glob = 5;

#if DBG

      printf("Y) Int_1_Par_Val: %x\n", Int_1_Par_Val);

      printf("Y) Int_2_Par_Val: %x\n", Int_2_Par_Val);

#endif

}                               /* Proc_8 */

Enumeration

  Func_1(Ch_1_Par_Val, Ch_2_Par_Val)

/*************************************************/

 /* executed three times                                         */

 /* first call:      Ch_1_Par_Val == 'H', Ch_2_Par_Val == 'R'    */

 /* second call:     Ch_1_Par_Val == 'A', Ch_2_Par_Val == 'C'    */

 /* third call:      Ch_1_Par_Val == 'B', Ch_2_Par_Val == 'C'    */

    Capital_Letter  Ch_1_Par_Val;

    Capital_Letter  Ch_2_Par_Val;

{

    Capital_Letter  Ch_1_Loc;

    Capital_Letter  Ch_2_Loc;

#if DBG

        report(0x30010);

#endif

    Ch_1_Loc = Ch_1_Par_Val;

    Ch_2_Loc = Ch_1_Loc;

    if (Ch_2_Loc != Ch_2_Par_Val)

        /* then, executed */

        return (Ident_1);

    else {                      /* not executed */

        Ch_1_Glob = Ch_1_Loc;

        return (Ident_2);

    }

}                               /* Func_1 */

Boolean

  Func_2(Str_1_Par_Ref, Str_2_Par_Ref)

/*************************************************/

 /* executed once */

 /* Str_1_Par_Ref == "DHRYSTONE PROGRAM, 1'ST STRING" */

 /* Str_2_Par_Ref == "DHRYSTONE PROGRAM, 2'ND STRING" */

    Str_30          Str_1_Par_Ref;

    Str_30          Str_2_Par_Ref;

{

    REG One_Thirty  Int_Loc;

    Capital_Letter  Ch_Loc = 0;

#if DBG

        report(0x30020);

#endif

    Int_Loc = 2;

    while (Int_Loc <= 2)        /* loop body executed once */

        if (Func_1(Str_1_Par_Ref[Int_Loc],

                   Str_2_Par_Ref[Int_Loc + 1]) == Ident_1)

            /* then, executed */

        {

            Ch_Loc = 'A';

            Int_Loc += 1;

        }                       /* if, while */

#if DBG

        report(0x30021);

#endif

    if (Ch_Loc >= 'W' && Ch_Loc < 'Z')

        /* then, not executed */

        Int_Loc = 7;

#if DBG

        report(0x30022);

#endif

    if (Ch_Loc == 'R')

        /* then, not executed */

        return (true);

    else {                      /* executed */

#if DBG

        report(0x30023);

#endif

        if (strcmp(Str_1_Par_Ref, Str_2_Par_Ref) > 0)

            /* then, not executed */

        {

            Int_Loc += 7;

            Int_Glob = Int_Loc;

            return (true);

        } else                  /* executed */

            return (false);

    }                           /* if Ch_Loc */

}                               /* Func_2 */

Boolean

  Func_3(Enum_Par_Val)

/***************************/

 /* executed once        */

 /* Enum_Par_Val == Ident_3 */

    Enumeration     Enum_Par_Val;

{

    Enumeration     Enum_Loc;

    Enum_Loc = Enum_Par_Val;

#if DBG

        report(0x30030);

#endif

    if (Enum_Loc == Ident_3)

        /* then, executed */

        return (true);

    else                        /* not executed */

        return (false);

}                               /* Func_3 */