benchmarks/dhrystone/dhrystone.c

   1 #include "dhrystone.h"
   2
   3 #ifndef REG
   4 #define REG
   5         /* REG becomes defined as empty */
   6         /* i.e. no register variables   */
   7 #else
   8 #undef REG
   9 #define REG register
  10 #endif
  11
  12 extern  int     Int_Glob;
  13 extern  char    Ch_1_Glob;
  14
  15
  16 void Proc_6(Enumeration Enum_Val_Par, Enumeration* Enum_Ref_Par)
  17 /*********************************/
  18     /* executed once */
  19     /* Enum_Val_Par == Ident_3, Enum_Ref_Par becomes Ident_2 */
  20 {
  21   *Enum_Ref_Par = Enum_Val_Par;
  22   if (! Func_3 (Enum_Val_Par))
  23     /* then, not executed */
  24     *Enum_Ref_Par = Ident_4;
  25   switch (Enum_Val_Par)
  26   {
  27     case Ident_1:
  28       *Enum_Ref_Par = Ident_1;
  29       break;
  30     case Ident_2:
  31       if (Int_Glob > 100)
  32         /* then */
  33       *Enum_Ref_Par = Ident_1;
  34       else *Enum_Ref_Par = Ident_4;
  35       break;
  36     case Ident_3: /* executed */
  37       *Enum_Ref_Par = Ident_2;
  38       break;
  39     case Ident_4: break;
  40     case Ident_5:
  41       *Enum_Ref_Par = Ident_3;
  42       break;
  43   } /* switch */
  44 } /* Proc_6 */
  45
  46
  47 void Proc_7(int Int_1_Par_Val, int Int_2_Par_Val, int* Int_Par_Ref)
  48 /**********************************************/
  49     /* executed three times                                      */
  50     /* first call:      Int_1_Par_Val == 2, Int_2_Par_Val == 3,  */
  51     /*                  Int_Par_Ref becomes 7                    */
  52     /* second call:     Int_1_Par_Val == 10, Int_2_Par_Val == 5, */
  53     /*                  Int_Par_Ref becomes 17                   */
  54     /* third call:      Int_1_Par_Val == 6, Int_2_Par_Val == 10, */
  55     /*                  Int_Par_Ref becomes 18                   */
  56 {
  57   One_Fifty Int_Loc;
  58
  59   Int_Loc = Int_1_Par_Val + 2;
  60   *Int_Par_Ref = Int_2_Par_Val + Int_Loc;
  61 } /* Proc_7 */
  62
  63
  64 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)
  65 /*********************************************************************/
  66     /* executed once      */
  67     /* Int_Par_Val_1 == 3 */
  68     /* Int_Par_Val_2 == 7 */
  69 {
  70   REG One_Fifty Int_Index;
  71   REG One_Fifty Int_Loc;
  72
  73   Int_Loc = Int_1_Par_Val + 5;
  74   Arr_1_Par_Ref [Int_Loc] = Int_2_Par_Val;
  75   Arr_1_Par_Ref [Int_Loc+1] = Arr_1_Par_Ref [Int_Loc];
  76   Arr_1_Par_Ref [Int_Loc+30] = Int_Loc;
  77   for (Int_Index = Int_Loc; Int_Index <= Int_Loc+1; ++Int_Index)
  78     Arr_2_Par_Ref [Int_Loc] [Int_Index] = Int_Loc;
  79   Arr_2_Par_Ref [Int_Loc] [Int_Loc-1] += 1;
  80   Arr_2_Par_Ref [Int_Loc+20] [Int_Loc] = Arr_1_Par_Ref [Int_Loc];
  81   Int_Glob = 5;
  82 } /* Proc_8 */
  83
  84
  85 Enumeration Func_1 (char Ch_1_Par_Val, char Ch_2_Par_Val)
  86 /*************************************************/
  87     /* executed three times                                         */
  88     /* first call:      Ch_1_Par_Val == 'H', Ch_2_Par_Val == 'R'    */
  89     /* second call:     Ch_1_Par_Val == 'A', Ch_2_Par_Val == 'C'    */
  90     /* third call:      Ch_1_Par_Val == 'B', Ch_2_Par_Val == 'C'    */
  91 {
  92   Capital_Letter        Ch_1_Loc;
  93   Capital_Letter        Ch_2_Loc;
  94
  95   Ch_1_Loc = Ch_1_Par_Val;
  96   Ch_2_Loc = Ch_1_Loc;
  97   if (Ch_2_Loc != Ch_2_Par_Val)
  98     /* then, executed */
  99     return (Ident_1);
 100   else  /* not executed */
 101   {
 102     Ch_1_Glob = Ch_1_Loc;
 103     return (Ident_2);
 104    }
 105 } /* Func_1 */
 106
 107
 108 Boolean Func_2(Str_30 Str_1_Par_Ref, Str_30 Str_2_Par_Ref)
 109 /*************************************************/
 110     /* executed once */
 111     /* Str_1_Par_Ref == "DHRYSTONE PROGRAM, 1'ST STRING" */
 112     /* Str_2_Par_Ref == "DHRYSTONE PROGRAM, 2'ND STRING" */
 113 {
 114   REG One_Thirty        Int_Loc;
 115       Capital_Letter    Ch_Loc;
 116
 117   Int_Loc = 2;
 118   while (Int_Loc <= 2) /* loop body executed once */
 119     if (Func_1 (Str_1_Par_Ref[Int_Loc],
 120                 Str_2_Par_Ref[Int_Loc+1]) == Ident_1)
 121       /* then, executed */
 122     {
 123       Ch_Loc = 'A';
 124       Int_Loc += 1;
 125     } /* if, while */
 126   if (Ch_Loc >= 'W' && Ch_Loc < 'Z')
 127     /* then, not executed */
 128     Int_Loc = 7;
 129   if (Ch_Loc == 'R')
 130     /* then, not executed */
 131     return (true);
 132   else /* executed */
 133   {
 134     if (strcmp (Str_1_Par_Ref, Str_2_Par_Ref) > 0)
 135       /* then, not executed */
 136     {
 137       Int_Loc += 7;
 138       Int_Glob = Int_Loc;
 139       return (true);
 140     }
 141     else /* executed */
 142       return (false);
 143   } /* if Ch_Loc */
 144 } /* Func_2 */
 145
 146
 147 Boolean Func_3(Enumeration Enum_Par_Val)
 148 /***************************/
 149     /* executed once        */
 150     /* Enum_Par_Val == Ident_3 */
 151 {
 152   Enumeration Enum_Loc;
 153
 154   Enum_Loc = Enum_Par_Val;
 155   if (Enum_Loc == Ident_3)
 156     /* then, executed */
 157     return (true);
 158   else /* not executed */
 159     return (false);
 160 } /* Func_3 */