benchmarks/dhrystone/dhrystone.c

   1 // See LICENSE for license details.
   2
   3 #pragma GCC optimize ("no-inline")
   4
   5 #include "dhrystone.h"
   6
   7 #ifndef REG
   8 #define REG
   9         /* REG becomes defined as empty */
  10         /* i.e. no register variables   */
  11 #else
  12 #undef REG
  13 #define REG register
  14 #endif
  15
  16 extern  int     Int_Glob;
  17 extern  char    Ch_1_Glob;
  18
  19
  20 Proc_6 (Enum_Val_Par, Enum_Ref_Par)
  21 /*********************************/
  22     /* executed once */
  23     /* Enum_Val_Par == Ident_3, Enum_Ref_Par becomes Ident_2 */
  24
  25 Enumeration  Enum_Val_Par;
  26 Enumeration *Enum_Ref_Par;
  27 {
  28   *Enum_Ref_Par = Enum_Val_Par;
  29   if (! Func_3 (Enum_Val_Par))
  30     /* then, not executed */
  31     *Enum_Ref_Par = Ident_4;
  32   switch (Enum_Val_Par)
  33   {
  34     case Ident_1:
  35       *Enum_Ref_Par = Ident_1;
  36       break;
  37     case Ident_2:
  38       if (Int_Glob > 100)
  39         /* then */
  40       *Enum_Ref_Par = Ident_1;
  41       else *Enum_Ref_Par = Ident_4;
  42       break;
  43     case Ident_3: /* executed */
  44       *Enum_Ref_Par = Ident_2;
  45       break;
  46     case Ident_4: break;
  47     case Ident_5:
  48       *Enum_Ref_Par = Ident_3;
  49       break;
  50   } /* switch */
  51 } /* Proc_6 */
  52
  53
  54 Proc_7 (Int_1_Par_Val, Int_2_Par_Val, Int_Par_Ref)
  55 /**********************************************/
  56     /* executed three times                                      */
  57     /* first call:      Int_1_Par_Val == 2, Int_2_Par_Val == 3,  */
  58     /*                  Int_Par_Ref becomes 7                    */
  59     /* second call:     Int_1_Par_Val == 10, Int_2_Par_Val == 5, */
  60     /*                  Int_Par_Ref becomes 17                   */
  61     /* third call:      Int_1_Par_Val == 6, Int_2_Par_Val == 10, */
  62     /*                  Int_Par_Ref becomes 18                   */
  63 One_Fifty       Int_1_Par_Val;
  64 One_Fifty       Int_2_Par_Val;
  65 One_Fifty      *Int_Par_Ref;
  66 {
  67   One_Fifty Int_Loc;
  68
  69   Int_Loc = Int_1_Par_Val + 2;
  70   *Int_Par_Ref = Int_2_Par_Val + Int_Loc;
  71 } /* Proc_7 */
  72
  73
  74 Proc_8 (Arr_1_Par_Ref, Arr_2_Par_Ref, Int_1_Par_Val, Int_2_Par_Val)
  75 /*********************************************************************/
  76     /* executed once      */
  77     /* Int_Par_Val_1 == 3 */
  78     /* Int_Par_Val_2 == 7 */
  79 Arr_1_Dim       Arr_1_Par_Ref;
  80 Arr_2_Dim       Arr_2_Par_Ref;
  81 int             Int_1_Par_Val;
  82 int             Int_2_Par_Val;
  83 {
  84   REG One_Fifty Int_Index;
  85   REG One_Fifty Int_Loc;
  86
  87   Int_Loc = Int_1_Par_Val + 5;
  88   Arr_1_Par_Ref [Int_Loc] = Int_2_Par_Val;
  89   Arr_1_Par_Ref [Int_Loc+1] = Arr_1_Par_Ref [Int_Loc];
  90   Arr_1_Par_Ref [Int_Loc+30] = Int_Loc;
  91   for (Int_Index = Int_Loc; Int_Index <= Int_Loc+1; ++Int_Index)
  92     Arr_2_Par_Ref [Int_Loc] [Int_Index] = Int_Loc;
  93   Arr_2_Par_Ref [Int_Loc] [Int_Loc-1] += 1;
  94   Arr_2_Par_Ref [Int_Loc+20] [Int_Loc] = Arr_1_Par_Ref [Int_Loc];
  95   Int_Glob = 5;
  96 } /* Proc_8 */
  97
  98
  99 Enumeration Func_1 (Ch_1_Par_Val, Ch_2_Par_Val)
 100 /*************************************************/
 101     /* executed three times                                         */
 102     /* first call:      Ch_1_Par_Val == 'H', Ch_2_Par_Val == 'R'    */
 103     /* second call:     Ch_1_Par_Val == 'A', Ch_2_Par_Val == 'C'    */
 104     /* third call:      Ch_1_Par_Val == 'B', Ch_2_Par_Val == 'C'    */
 105
 106 Capital_Letter   Ch_1_Par_Val;
 107 Capital_Letter   Ch_2_Par_Val;
 108 {
 109   Capital_Letter        Ch_1_Loc;
 110   Capital_Letter        Ch_2_Loc;
 111
 112   Ch_1_Loc = Ch_1_Par_Val;
 113   Ch_2_Loc = Ch_1_Loc;
 114   if (Ch_2_Loc != Ch_2_Par_Val)
 115     /* then, executed */
 116     return (Ident_1);
 117   else  /* not executed */
 118   {
 119     Ch_1_Glob = Ch_1_Loc;
 120     return (Ident_2);
 121    }
 122 } /* Func_1 */
 123
 124
 125 Boolean Func_2 (Str_1_Par_Ref, Str_2_Par_Ref)
 126 /*************************************************/
 127     /* executed once */
 128     /* Str_1_Par_Ref == "DHRYSTONE PROGRAM, 1'ST STRING" */
 129     /* Str_2_Par_Ref == "DHRYSTONE PROGRAM, 2'ND STRING" */
 130
 131 Str_30  Str_1_Par_Ref;
 132 Str_30  Str_2_Par_Ref;
 133 {
 134   REG One_Thirty        Int_Loc;
 135       Capital_Letter    Ch_Loc;
 136
 137   Int_Loc = 2;
 138   while (Int_Loc <= 2) /* loop body executed once */
 139     if (Func_1 (Str_1_Par_Ref[Int_Loc],
 140                 Str_2_Par_Ref[Int_Loc+1]) == Ident_1)
 141       /* then, executed */
 142     {
 143       Ch_Loc = 'A';
 144       Int_Loc += 1;
 145     } /* if, while */
 146   if (Ch_Loc >= 'W' && Ch_Loc < 'Z')
 147     /* then, not executed */
 148     Int_Loc = 7;
 149   if (Ch_Loc == 'R')
 150     /* then, not executed */
 151     return (true);
 152   else /* executed */
 153   {
 154     if (strcmp (Str_1_Par_Ref, Str_2_Par_Ref) > 0)
 155       /* then, not executed */
 156     {
 157       Int_Loc += 7;
 158       Int_Glob = Int_Loc;
 159       return (true);
 160     }
 161     else /* executed */
 162       return (false);
 163   } /* if Ch_Loc */
 164 } /* Func_2 */
 165
 166
 167 Boolean Func_3 (Enum_Par_Val)
 168 /***************************/
 169     /* executed once        */
 170     /* Enum_Par_Val == Ident_3 */
 171 Enumeration Enum_Par_Val;
 172 {
 173   Enumeration Enum_Loc;
 174
 175   Enum_Loc = Enum_Par_Val;
 176   if (Enum_Loc == Ident_3)
 177     /* then, executed */
 178     return (true);
 179   else /* not executed */
 180     return (false);
 181 } /* Func_3 */
 182
 183 void debug_printf(const char* str, ...)
 184 {
 185 }