xref: /freebsd/contrib/cortex-strings/benchmarks/dhry/dhry_2.c (revision 8c4282b370bd66908b45b6a223226a9fc2b69d57)

 /*
  *************************************************************************
  *
  *                   "DHRYSTONE" Benchmark Program
  *                   -----------------------------
  *
  *  Version:    C, Version 2.1
  *
  *  File:       dhry_2.c (part 3 of 3)
  *
  *  Date:       May 25, 1988
  *
  *  Author:     Reinhold P. Weicker
  *
  *************************************************************************
  */

 #include "dhry.h"

 #ifndef REG
 #define REG
         /* REG becomes defined as empty */
         /* i.e. no register variables   */
 #else
 #define REG register
 #endif

 extern  int     Int_Glob;
 extern  char    Ch_1_Glob;

 Boolean Func_3 (Enumeration Enum_Par_Val);

 void Proc_6 (Enumeration Enum_Val_Par, Enumeration *Enum_Ref_Par)
 /*********************************/
     /* executed once */
     /* Enum_Val_Par == Ident_3, Enum_Ref_Par becomes Ident_2 */

 {
   *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 */
 } /* Proc_6 */


 void Proc_7 (One_Fifty Int_1_Par_Val, One_Fifty Int_2_Par_Val,
                                              One_Fifty *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_Loc;

   Int_Loc = Int_1_Par_Val + 2;
   *Int_Par_Ref = Int_2_Par_Val + Int_Loc;
 } /* Proc_7 */


 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)
 /*********************************************************************/
     /* executed once      */
     /* Int_Par_Val_1 == 3 */
     /* Int_Par_Val_2 == 7 */

 {
   REG One_Fifty Int_Index;
   REG One_Fifty Int_Loc;

   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;
 } /* Proc_8 */


 Enumeration Func_1 (Capital_Letter Ch_1_Par_Val,
                                           Capital_Letter 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_Loc;
   Capital_Letter        Ch_2_Loc;

   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_30 Str_1_Par_Ref, Str_30 Str_2_Par_Ref)
 /*************************************************/
     /* executed once */
     /* Str_1_Par_Ref == "DHRYSTONE PROGRAM, 1'ST STRING" */
     /* Str_2_Par_Ref == "DHRYSTONE PROGRAM, 2'ND STRING" */

 {
   REG One_Thirty        Int_Loc;
       Capital_Letter    Ch_Loc;

   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 (Ch_Loc >= 'W' && Ch_Loc < 'Z')
     /* then, not executed */
     Int_Loc = 7;
   if (Ch_Loc == 'R')
     /* then, not executed */
     return (true);
   else /* executed */
   {
     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 (Enumeration Enum_Par_Val)
 /***************************/
     /* executed once        */
     /* Enum_Par_Val == Ident_3 */

 {
   Enumeration Enum_Loc;

   Enum_Loc = Enum_Par_Val;
   if (Enum_Loc == Ident_3)
     /* then, executed */
     return (true);
   else /* not executed */
     return (false);
 } /* Func_3 */