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-rw-r--r--software/dhrystone/dhry_1.c385
1 files changed, 0 insertions, 385 deletions
diff --git a/software/dhrystone/dhry_1.c b/software/dhrystone/dhry_1.c
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--- a/software/dhrystone/dhry_1.c
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@@ -1,385 +0,0 @@
-/*
- ****************************************************************************
- *
- * "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 "dhry.h"
-
-/* 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];
-
-extern char *malloc ();
-Enumeration Func_1 ();
- /* 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: */
-
-#ifdef TIMES
-struct tms time_info;
-extern int times ();
- /* see library function "times" */
-#define Too_Small_Time 120
- /* Measurements should last at least about 2 seconds */
-#endif
-#ifdef TIME
-extern long time();
- /* see library function "time" */
-#define Too_Small_Time 2
- /* Measurements should last at least 2 seconds */
-#endif
-
-long Begin_Time,
- End_Time,
- User_Time;
-float Microseconds,
- Dhrystones_Per_Second;
-
-/* end of variables for time measurement */
-
-
-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;
-
- /* Initializations */
-
- Next_Ptr_Glob = (Rec_Pointer) malloc (sizeof (Rec_Type));
- Ptr_Glob = (Rec_Pointer) malloc (sizeof (Rec_Type));
-
- 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. */
-
- 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);
- Number_Of_Runs = n;
- }
- printf ("\n");
-
- printf ("Execution starts, %d runs through Dhrystone\n", Number_Of_Runs);
-
- /***************/
- /* Start timer */
- /***************/
-
-#ifdef TIMES
- times (&time_info);
- Begin_Time = (long) time_info.tms_utime;
-#endif
-#ifdef TIME
- Begin_Time = time ( (long *) 0);
-#endif
-
- 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 */
- /**************/
-
-#ifdef TIMES
- times (&time_info);
- End_Time = (long) time_info.tms_utime;
-#endif
-#ifdef TIME
- End_Time = time ( (long *) 0);
-#endif
-
- 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");
- printf ("\n");
-
- User_Time = End_Time - Begin_Time;
-
- if (User_Time < Too_Small_Time)
- {
- printf ("Measured time too small to obtain meaningful results\n");
- printf ("Please increase number of runs\n");
- printf ("\n");
- }
- else
- {
-#ifdef TIME
- Microseconds = (float) User_Time * Mic_secs_Per_Second
- / (float) Number_Of_Runs;
- Dhrystones_Per_Second = (float) Number_Of_Runs / (float) User_Time;
-#else
- Microseconds = (float) User_Time * Mic_secs_Per_Second
- / ((float) HZ * ((float) Number_Of_Runs));
- Dhrystones_Per_Second = ((float) HZ * (float) Number_Of_Runs)
- / (float) User_Time;
-#endif
- printf ("Microseconds for one run through Dhrystone: ");
- printf ("%6.1f \n", Microseconds);
- printf ("Dhrystones per Second: ");
- printf ("%6.1f \n", Dhrystones_Per_Second);
- printf ("\n");
- }
-
-}
-
-
-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 */
-
- 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);
- /* 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);
- 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);
-} /* Proc_1 */
-
-
-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;
-
- 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 */
-
-
-Proc_3 (Ptr_Ref_Par)
-/******************/
- /* executed once */
- /* Ptr_Ref_Par becomes Ptr_Glob */
-
-Rec_Pointer *Ptr_Ref_Par;
-
-{
- 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 */
-
-
-Proc_4 () /* without parameters */
-/*******/
- /* executed once */
-{
- Boolean Bool_Loc;
-
- Bool_Loc = Ch_1_Glob == 'A';
- Bool_Glob = Bool_Loc | Bool_Glob;
- Ch_2_Glob = 'B';
-} /* Proc_4 */
-
-
-Proc_5 () /* without parameters */
-/*******/
- /* executed once */
-{
- Ch_1_Glob = 'A';
- Bool_Glob = false;
-} /* Proc_5 */
-
-
- /* Procedure for the assignment of structures, */
- /* if the C compiler doesn't support this feature */
-#ifdef NOSTRUCTASSIGN
-memcpy (d, s, l)
-register char *d;
-register char *s;
-register int l;
-{
- while (l--) *d++ = *s++;
-}
-#endif
-
-
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