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authorBert Lange <b.lange@hzdr.de>2015-04-15 13:36:55 +0200
committerBert Lange <b.lange@hzdr.de>2015-04-15 13:36:55 +0200
commita1c964908b51599bf624bd2d253419c7e629f195 (patch)
tree06125d59e83b7dde82d1bb57bc0e09ca83451b98 /zpu/roadshow/roadshow/dhrystone/dhry_1.c
parentbbfe29a15f11548eb7c9fa71dcb4d2d18c164a53 (diff)
parent8679e4f91dcae05aef40f96629f33f0f4161f14a (diff)
downloadzpu-a1c964908b51599bf624bd2d253419c7e629f195.zip
zpu-a1c964908b51599bf624bd2d253419c7e629f195.tar.gz
Merge branch 'master' of https://github.com/zylin/zpu
Diffstat (limited to 'zpu/roadshow/roadshow/dhrystone/dhry_1.c')
-rw-r--r--zpu/roadshow/roadshow/dhrystone/dhry_1.c533
1 files changed, 533 insertions, 0 deletions
diff --git a/zpu/roadshow/roadshow/dhrystone/dhry_1.c b/zpu/roadshow/roadshow/dhrystone/dhry_1.c
new file mode 100644
index 0000000..08a29b9
--- /dev/null
+++ b/zpu/roadshow/roadshow/dhrystone/dhry_1.c
@@ -0,0 +1,533 @@
+/*
+ ****************************************************************************
+ *
+ * "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"
+#include <stdarg.h>
+
+static int
+_cvt(int val, char *buf, int radix, char *digits)
+{
+ char temp[80];
+ char *cp = temp;
+ int length = 0;
+
+ if (val == 0) {
+ /* Special case */
+ *cp++ = '0';
+ } else {
+ while (val) {
+ *cp++ = digits[val % radix];
+ val /= radix;
+ }
+ }
+ while (cp != temp) {
+ *buf++ = *--cp;
+ length++;
+ }
+ *buf = '\0';
+ return (length);
+}
+
+#define is_digit(c) ((c >= '0') && (c <= '9'))
+
+
+#ifndef TINY
+static int
+_vprintf(void (*putc)(char c, void **param), void **param, const char *fmt, va_list ap)
+{
+ char buf[sizeof(long long)*8];
+ char c, sign, *cp=buf;
+ int left_prec, right_prec, zero_fill, pad, pad_on_right,
+ i, islong, islonglong;
+ long long val = 0;
+ int res = 0, length = 0;
+
+ while ((c = *fmt++) != '\0') {
+ if (c == '%') {
+ c = *fmt++;
+ left_prec = right_prec = pad_on_right = islong = islonglong = 0;
+ sign = '\0';
+ // Fetch value [numeric descriptors only]
+ switch (c) {
+ case 'd':
+ val = (long long)va_arg(ap, int);
+ if ((c == 'd') || (c == 'D')) {
+ if (val < 0) {
+ sign = '-';
+ val = -val;
+ }
+ } else {
+ // Mask to unsigned, sized quantity
+ if (islong) {
+ val &= ((long long)1 << (sizeof(long) * 8)) - 1;
+ } else{
+ val &= ((long long)1 << (sizeof(int) * 8)) - 1;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+ // Process output
+ switch (c) {
+ case 'd':
+ switch (c) {
+ case 'd':
+ length = _cvt(val, buf, 10, "0123456789");
+ break;
+ }
+ cp = buf;
+ break;
+ case 's':
+ cp = va_arg(ap, char *);
+ length = 0;
+ while (cp[length] != '\0') length++;
+ break;
+ case 'c':
+ c = va_arg(ap, int /*char*/);
+ (*putc)(c, param);
+ res++;
+ continue;
+ default:
+ (*putc)('%', param);
+ (*putc)(c, param);
+ res += 2;
+ continue;
+ }
+ while (length-- > 0) {
+ c = *cp++;
+ (*putc)(c, param);
+ res++;
+ }
+ } else {
+ (*putc)(c, param);
+ res++;
+ }
+ }
+ return (res);
+}
+#endif
+
+// Default wrapper function used by diag_printf
+static void
+_diag_write_char(char c, void **param)
+{
+ if (c=='\n')
+ {
+ outbyte('\r');
+ }
+ outbyte(c);
+}
+
+int
+small_printf(const char *fmt, ...)
+{
+#ifndef TINY
+ va_list ap;
+ int ret;
+
+ va_start(ap, fmt);
+ ret = _vprintf(_diag_write_char, (void **)0, fmt, ap);
+ va_end(ap);
+ return (ret);
+#else
+ return 0;
+#endif
+}
+
+
+
+
+/* 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];
+
+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;
+ /* 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 long Begin_Time,
+ End_Time,
+ User_Time;
+long long Microseconds,
+ Dhrystones_Per_Second,
+ Vax_Mips;
+
+/* end of variables for time measurement */
+
+int Number_Of_Runs = 50000;
+
+extern long long _readMicroseconds();
+
+
+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;
+
+ /* 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. */
+ small_printf ("\n");
+ small_printf ("Dhrystone Benchmark, Version 2.1 (Language: C)\n");
+ small_printf ("\n");
+ if (Reg)
+ {
+ small_printf ("Program compiled with 'register' attribute\n");
+ small_printf ("\n");
+ }
+ else
+ {
+ small_printf ("Program compiled without 'register' attribute\n");
+ small_printf ("\n");
+ }
+ Number_Of_Runs;
+
+ small_printf ("Execution starts, %d runs through Dhrystone\n", Number_Of_Runs);
+
+ /***************/
+ /* Start timer */
+ /***************/
+
+#if 0
+#ifdef TIMES
+ times (&time_info);
+ Begin_Time = (long) time_info.tms_utime;
+#endif
+#ifdef TIME
+ Begin_Time = time ( (long *) 0);
+#endif
+#else
+ Begin_Time = _readMicroseconds();
+#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 */
+ /**************/
+
+#if 0
+#ifdef TIMES
+ times (&time_info);
+ End_Time = (long) time_info.tms_utime;
+#endif
+#ifdef TIME
+ End_Time = time ( (long *) 0);
+#endif
+#else
+ End_Time = _readMicroseconds();
+#endif
+
+ small_printf ("Execution ends\n");
+ small_printf ("\n");
+ small_printf ("Final values of the variables used in the benchmark:\n");
+ small_printf ("\n");
+ small_printf ("Int_Glob: %d\n", Int_Glob);
+ small_printf (" should be: %d\n", 5);
+ small_printf ("Bool_Glob: %d\n", Bool_Glob);
+ small_printf (" should be: %d\n", 1);
+ small_printf ("Ch_1_Glob: %c\n", Ch_1_Glob);
+ small_printf (" should be: %c\n", 'A');
+ small_printf ("Ch_2_Glob: %c\n", Ch_2_Glob);
+ small_printf (" should be: %c\n", 'B');
+ small_printf ("Arr_1_Glob[8]: %d\n", Arr_1_Glob[8]);
+ small_printf (" should be: %d\n", 7);
+ small_printf ("Arr_2_Glob[8][7]: %d\n", Arr_2_Glob[8][7]);
+ small_printf (" should be: Number_Of_Runs + 10\n");
+ small_printf ("Ptr_Glob->\n");
+ small_printf (" Ptr_Comp: %d\n", (int) Ptr_Glob->Ptr_Comp);
+ small_printf (" should be: (implementation-dependent)\n");
+ small_printf (" Discr: %d\n", Ptr_Glob->Discr);
+ small_printf (" should be: %d\n", 0);
+ small_printf (" Enum_Comp: %d\n", Ptr_Glob->variant.var_1.Enum_Comp);
+ small_printf (" should be: %d\n", 2);
+ small_printf (" Int_Comp: %d\n", Ptr_Glob->variant.var_1.Int_Comp);
+ small_printf (" should be: %d\n", 17);
+ small_printf (" Str_Comp: %s\n", Ptr_Glob->variant.var_1.Str_Comp);
+ small_printf (" should be: DHRYSTONE PROGRAM, SOME STRING\n");
+ small_printf ("Next_Ptr_Glob->\n");
+ small_printf (" Ptr_Comp: %d\n", (int) Next_Ptr_Glob->Ptr_Comp);
+ small_printf (" should be: (implementation-dependent), same as above\n");
+ small_printf (" Discr: %d\n", Next_Ptr_Glob->Discr);
+ small_printf (" should be: %d\n", 0);
+ small_printf (" Enum_Comp: %d\n", Next_Ptr_Glob->variant.var_1.Enum_Comp);
+ small_printf (" should be: %d\n", 1);
+ small_printf (" Int_Comp: %d\n", Next_Ptr_Glob->variant.var_1.Int_Comp);
+ small_printf (" should be: %d\n", 18);
+ small_printf (" Str_Comp: %s\n",
+ Next_Ptr_Glob->variant.var_1.Str_Comp);
+ small_printf (" should be: DHRYSTONE PROGRAM, SOME STRING\n");
+ small_printf ("Int_1_Loc: %d\n", Int_1_Loc);
+ small_printf (" should be: %d\n", 5);
+ small_printf ("Int_2_Loc: %d\n", Int_2_Loc);
+ small_printf (" should be: %d\n", 13);
+ small_printf ("Int_3_Loc: %d\n", Int_3_Loc);
+ small_printf (" should be: %d\n", 7);
+ small_printf ("Enum_Loc: %d\n", Enum_Loc);
+ small_printf (" should be: %d\n", 1);
+ small_printf ("Str_1_Loc: %s\n", Str_1_Loc);
+ small_printf (" should be: DHRYSTONE PROGRAM, 1'ST STRING\n");
+ small_printf ("Str_2_Loc: %s\n", Str_2_Loc);
+ small_printf (" should be: DHRYSTONE PROGRAM, 2'ND STRING\n");
+ small_printf ("\n");
+
+ User_Time = End_Time - Begin_Time;
+ small_printf ("User time: %d\n", (int)User_Time);
+
+ if (User_Time < Too_Small_Time)
+ {
+ small_printf ("Measured time too small to obtain meaningful results\n");
+ small_printf ("Please increase number of runs\n");
+ small_printf ("\n");
+ }
+/* else */
+ {
+#if 0
+#ifdef TIME
+ Microseconds = (User_Time * Mic_secs_Per_Second )
+ / Number_Of_Runs;
+ Dhrystones_Per_Second = Number_Of_Runs / User_Time;
+ Vax_Mips = (Number_Of_Runs*1000) / (1757*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;
+ Vax_Mips = Dhrystones_Per_Second / 1757.0;
+#endif
+#else
+ Microseconds = User_Time / Number_Of_Runs;
+ Dhrystones_Per_Second = ((long long)Number_Of_Runs*1000000) / User_Time;
+ Vax_Mips = (((long long)Number_Of_Runs)*1000000000) / (1757*User_Time);
+#endif
+ small_printf ("Microseconds for one run through Dhrystone: ");
+ small_printf ("%d \n", (int)Microseconds);
+ small_printf ("Dhrystones per Second: ");
+ small_printf ("%d \n", (int)Dhrystones_Per_Second);
+ small_printf ("VAX MIPS rating * 1000 = %d \n",(int)Vax_Mips);
+ small_printf ("\n");
+ }
+
+ return 0;
+}
+
+
+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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