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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.misc-tests/] [dhry.c] - Blame information for rev 154

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1 149 jeremybenn
/*
2
 ****************************************************************************
3
 *
4
 *                   "DHRYSTONE" Benchmark Program
5
 *                   -----------------------------
6
 *
7
 *  Version:    C, Version 2.1
8
 *
9
 *  File:       dhry_1.c (part 2 of 3)
10
 *
11
 *  Date:       May 25, 1988
12
 *
13
 *  Author:     Reinhold P. Weicker
14
 *
15
 ****************************************************************************
16
 */
17
 
18
#include "dhry.h"
19
 
20
/* Global Variables: */
21
 
22
Rec_Pointer     Ptr_Glob,
23
                Next_Ptr_Glob;
24
int             Int_Glob;
25
Boolean         Bool_Glob;
26
char            Ch_1_Glob,
27
                Ch_2_Glob;
28
int             Arr_1_Glob [50];
29
int             Arr_2_Glob [50] [50];
30
 
31
extern char     *malloc ();
32
Enumeration     Func_1 ();
33
  /* forward declaration necessary since Enumeration may not simply be int */
34
 
35
#ifndef REG
36
        Boolean Reg = false;
37
#define REG
38
        /* REG becomes defined as empty */
39
        /* i.e. no register variables   */
40
#else
41
        Boolean Reg = true;
42
#endif
43
 
44
/* variables for time measurement: */
45
 
46
/*
47
#ifdef TIMES
48
struct tms      time_info;
49
extern  int     times ();
50
#endif
51
*/
52
/*
53
#ifdef TIME
54
extern long     time();
55
#endif
56
*/
57
#define Too_Small_Time 2
58
                /* Measurements should last at least 2 seconds */
59
 
60
long            Begin_Time,
61
                End_Time,
62
                User_Time;
63
float           Microseconds,
64
                Dhrystones_Per_Second;
65
 
66
/* end of variables for time measurement */
67
 
68
 
69
main ()
70
/*****/
71
 
72
  /* main program, corresponds to procedures        */
73
  /* Main and Proc_0 in the Ada version             */
74
{
75
        One_Fifty       Int_1_Loc;
76
  REG   One_Fifty       Int_2_Loc;
77
        One_Fifty       Int_3_Loc;
78
  REG   char            Ch_Index;
79
        Enumeration     Enum_Loc;
80
        Str_30          Str_1_Loc;
81
        Str_30          Str_2_Loc;
82
  REG   int             Run_Index;
83
  REG   int             Number_Of_Runs;
84
 
85
  /* Initializations */
86
 
87
  Next_Ptr_Glob = (Rec_Pointer) malloc (sizeof (Rec_Type));
88
  Ptr_Glob = (Rec_Pointer) malloc (sizeof (Rec_Type));
89
 
90
  Ptr_Glob->Ptr_Comp                    = Next_Ptr_Glob;
91
  Ptr_Glob->Discr                       = Ident_1;
92
  Ptr_Glob->variant.var_1.Enum_Comp     = Ident_3;
93
  Ptr_Glob->variant.var_1.Int_Comp      = 40;
94
  strcpy (Ptr_Glob->variant.var_1.Str_Comp,
95
          "DHRYSTONE PROGRAM, SOME STRING");
96
  strcpy (Str_1_Loc, "DHRYSTONE PROGRAM, 1'ST STRING");
97
 
98
  Arr_2_Glob [8][7] = 10;
99
        /* Was missing in published program. Without this statement,    */
100
        /* Arr_2_Glob [8][7] would have an undefined value.             */
101
        /* Warning: With 16-Bit processors and Number_Of_Runs > 32000,  */
102
        /* overflow may occur for this array element.                   */
103
 
104
/*
105
  printf ("\n");
106
  printf ("Dhrystone Benchmark, Version 2.1 (Language: C)\n");
107
  printf ("\n");
108
*/
109
  if (Reg)
110
  {
111
/*
112
    printf ("Program compiled with 'register' attribute\n");
113
    printf ("\n");
114
*/
115
  }
116
  else
117
  {
118
/*
119
    printf ("Program compiled without 'register' attribute\n");
120
    printf ("\n");
121
*/
122
  }
123
/*
124
  printf ("Please give the number of runs through the benchmark: ");
125
*/
126
  {
127
    int n;
128
/*
129
    scanf ("%d", &n);
130
*/
131
    Number_Of_Runs = n=1000;
132
  }
133
/*
134
  printf ("\n");
135
 
136
  printf ("Execution starts, %d runs through Dhrystone\n", Number_Of_Runs);
137
*/
138
 
139
  /***************/
140
  /* Start timer */
141
  /***************/
142
 
143
/*
144
#ifdef TIMES
145
  times (&time_info);
146
  Begin_Time = (long) time_info.tms_utime;
147
#endif
148
#ifdef TIME
149
  Begin_Time = time ( (long *) 0);
150
#endif
151
*/
152
 
153
  for (Run_Index = 1; Run_Index <= Number_Of_Runs; ++Run_Index)
154
  {
155
 
156
    Proc_5();
157
    Proc_4();
158
      /* Ch_1_Glob == 'A', Ch_2_Glob == 'B', Bool_Glob == true */
159
    Int_1_Loc = 2;
160
    Int_2_Loc = 3;
161
    strcpy (Str_2_Loc, "DHRYSTONE PROGRAM, 2'ND STRING");
162
    Enum_Loc = Ident_2;
163
    Bool_Glob = ! Func_2 (Str_1_Loc, Str_2_Loc);
164
      /* Bool_Glob == 1 */
165
    while (Int_1_Loc < Int_2_Loc)  /* loop body executed once */
166
    {
167
      Int_3_Loc = 5 * Int_1_Loc - Int_2_Loc;
168
        /* Int_3_Loc == 7 */
169
      Proc_7 (Int_1_Loc, Int_2_Loc, &Int_3_Loc);
170
        /* Int_3_Loc == 7 */
171
      Int_1_Loc += 1;
172
    } /* while */
173
      /* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */
174
    Proc_8 (Arr_1_Glob, Arr_2_Glob, Int_1_Loc, Int_3_Loc);
175
      /* Int_Glob == 5 */
176
    Proc_1 (Ptr_Glob);
177
    for (Ch_Index = 'A'; Ch_Index <= Ch_2_Glob; ++Ch_Index)
178
                             /* loop body executed twice */
179
    {
180
      if (Enum_Loc == Func_1 (Ch_Index, 'C'))
181
          /* then, not executed */
182
        {
183
        Proc_6 (Ident_1, &Enum_Loc);
184
        strcpy (Str_2_Loc, "DHRYSTONE PROGRAM, 3'RD STRING");
185
        Int_2_Loc = Run_Index;
186
        Int_Glob = Run_Index;
187
        }
188
    }
189
      /* Int_1_Loc == 3, Int_2_Loc == 3, Int_3_Loc == 7 */
190
    Int_2_Loc = Int_2_Loc * Int_1_Loc;
191
    Int_1_Loc = Int_2_Loc / Int_3_Loc;
192
    Int_2_Loc = 7 * (Int_2_Loc - Int_3_Loc) - Int_1_Loc;
193
      /* Int_1_Loc == 1, Int_2_Loc == 13, Int_3_Loc == 7 */
194
    Proc_2 (&Int_1_Loc);
195
      /* Int_1_Loc == 5 */
196
 
197
  } /* loop "for Run_Index" */
198
 
199
  /**************/
200
  /* Stop timer */
201
  /**************/
202
 
203
/*
204
#ifdef TIMES
205
  times (&time_info);
206
  End_Time = (long) time_info.tms_utime;
207
#endif
208
#ifdef TIME
209
  End_Time = time ( (long *) 0);
210
#endif
211
*/
212
 
213
/*
214
  printf ("Execution ends\n");
215
  printf ("\n");
216
  printf ("Final values of the variables used in the benchmark:\n");
217
  printf ("\n");
218
  printf ("Int_Glob:            %d\n", Int_Glob);
219
  printf ("        should be:   %d\n", 5);
220
  printf ("Bool_Glob:           %d\n", Bool_Glob);
221
  printf ("        should be:   %d\n", 1);
222
  printf ("Ch_1_Glob:           %c\n", Ch_1_Glob);
223
  printf ("        should be:   %c\n", 'A');
224
  printf ("Ch_2_Glob:           %c\n", Ch_2_Glob);
225
  printf ("        should be:   %c\n", 'B');
226
  printf ("Arr_1_Glob[8]:       %d\n", Arr_1_Glob[8]);
227
  printf ("        should be:   %d\n", 7);
228
  printf ("Arr_2_Glob[8][7]:    %d\n", Arr_2_Glob[8][7]);
229
  printf ("        should be:   Number_Of_Runs + 10\n");
230
  printf ("Ptr_Glob->\n");
231
  printf ("  Ptr_Comp:          %d\n", (int) Ptr_Glob->Ptr_Comp);
232
  printf ("        should be:   (implementation-dependent)\n");
233
  printf ("  Discr:             %d\n", Ptr_Glob->Discr);
234
  printf ("        should be:   %d\n", 0);
235
  printf ("  Enum_Comp:         %d\n", Ptr_Glob->variant.var_1.Enum_Comp);
236
  printf ("        should be:   %d\n", 2);
237
  printf ("  Int_Comp:          %d\n", Ptr_Glob->variant.var_1.Int_Comp);
238
  printf ("        should be:   %d\n", 17);
239
  printf ("  Str_Comp:          %s\n", Ptr_Glob->variant.var_1.Str_Comp);
240
  printf ("        should be:   DHRYSTONE PROGRAM, SOME STRING\n");
241
  printf ("Next_Ptr_Glob->\n");
242
  printf ("  Ptr_Comp:          %d\n", (int) Next_Ptr_Glob->Ptr_Comp);
243
  printf ("        should be:   (implementation-dependent), same as above\n");
244
  printf ("  Discr:             %d\n", Next_Ptr_Glob->Discr);
245
  printf ("        should be:   %d\n", 0);
246
  printf ("  Enum_Comp:         %d\n", Next_Ptr_Glob->variant.var_1.Enum_Comp);
247
  printf ("        should be:   %d\n", 1);
248
  printf ("  Int_Comp:          %d\n", Next_Ptr_Glob->variant.var_1.Int_Comp);
249
  printf ("        should be:   %d\n", 18);
250
  printf ("  Str_Comp:          %s\n",
251
                                Next_Ptr_Glob->variant.var_1.Str_Comp);
252
  printf ("        should be:   DHRYSTONE PROGRAM, SOME STRING\n");
253
  printf ("Int_1_Loc:           %d\n", Int_1_Loc);
254
  printf ("        should be:   %d\n", 5);
255
  printf ("Int_2_Loc:           %d\n", Int_2_Loc);
256
  printf ("        should be:   %d\n", 13);
257
  printf ("Int_3_Loc:           %d\n", Int_3_Loc);
258
  printf ("        should be:   %d\n", 7);
259
  printf ("Enum_Loc:            %d\n", Enum_Loc);
260
  printf ("        should be:   %d\n", 1);
261
  printf ("Str_1_Loc:           %s\n", Str_1_Loc);
262
  printf ("        should be:   DHRYSTONE PROGRAM, 1'ST STRING\n");
263
  printf ("Str_2_Loc:           %s\n", Str_2_Loc);
264
  printf ("        should be:   DHRYSTONE PROGRAM, 2'ND STRING\n");
265
  printf ("\n");
266
*/
267
 
268
  User_Time = End_Time - Begin_Time;
269
 
270
  if (User_Time < Too_Small_Time)
271
  {
272
/*
273
    printf ("Measured time too small to obtain meaningful results\n");
274
    printf ("Please increase number of runs\n");
275
    printf ("\n");
276
*/
277
  }
278
  else
279
  {
280
#ifdef TIME
281
/*
282
    Microseconds = (float) User_Time * Mic_secs_Per_Second
283
                        / (float) Number_Of_Runs;
284
    Dhrystones_Per_Second = (float) Number_Of_Runs / (float) User_Time;
285
*/
286
#else
287
/*
288
    Microseconds = (float) User_Time * Mic_secs_Per_Second
289
                        / ((float) HZ * ((float) Number_Of_Runs));
290
    Dhrystones_Per_Second = ((float) HZ * (float) Number_Of_Runs)
291
                        / (float) User_Time;
292
*/
293
#endif
294
/*
295
    printf ("Microseconds for one run through Dhrystone: ");
296
    printf ("%6.1f \n", Microseconds);
297
    printf ("Dhrystones per Second:                      ");
298
    printf ("%6.1f \n", Dhrystones_Per_Second);
299
    printf ("\n");
300
*/
301
  }
302
 
303
  exit (0);
304
}
305
 
306
 
307
Proc_1 (Ptr_Val_Par)
308
/******************/
309
 
310
REG Rec_Pointer Ptr_Val_Par;
311
    /* executed once */
312
{
313
  REG Rec_Pointer Next_Record = Ptr_Val_Par->Ptr_Comp;
314
                                        /* == Ptr_Glob_Next */
315
  /* Local variable, initialized with Ptr_Val_Par->Ptr_Comp,    */
316
  /* corresponds to "rename" in Ada, "with" in Pascal           */
317
 
318
  structassign (*Ptr_Val_Par->Ptr_Comp, *Ptr_Glob);
319
  Ptr_Val_Par->variant.var_1.Int_Comp = 5;
320
  Next_Record->variant.var_1.Int_Comp
321
        = Ptr_Val_Par->variant.var_1.Int_Comp;
322
  Next_Record->Ptr_Comp = Ptr_Val_Par->Ptr_Comp;
323
  Proc_3 (&Next_Record->Ptr_Comp);
324
    /* Ptr_Val_Par->Ptr_Comp->Ptr_Comp
325
                        == Ptr_Glob->Ptr_Comp */
326
  if (Next_Record->Discr == Ident_1)
327
    /* then, executed */
328
  {
329
    Next_Record->variant.var_1.Int_Comp = 6;
330
    Proc_6 (Ptr_Val_Par->variant.var_1.Enum_Comp,
331
           &Next_Record->variant.var_1.Enum_Comp);
332
    Next_Record->Ptr_Comp = Ptr_Glob->Ptr_Comp;
333
    Proc_7 (Next_Record->variant.var_1.Int_Comp, 10,
334
           &Next_Record->variant.var_1.Int_Comp);
335
  }
336
  else /* not executed */
337
    structassign (*Ptr_Val_Par, *Ptr_Val_Par->Ptr_Comp);
338
} /* Proc_1 */
339
 
340
 
341
Proc_2 (Int_Par_Ref)
342
/******************/
343
    /* executed once */
344
    /* *Int_Par_Ref == 1, becomes 4 */
345
 
346
One_Fifty   *Int_Par_Ref;
347
{
348
  One_Fifty  Int_Loc;
349
  Enumeration   Enum_Loc;
350
 
351
  Int_Loc = *Int_Par_Ref + 10;
352
  do /* executed once */
353
    if (Ch_1_Glob == 'A')
354
      /* then, executed */
355
    {
356
      Int_Loc -= 1;
357
      *Int_Par_Ref = Int_Loc - Int_Glob;
358
      Enum_Loc = Ident_1;
359
    } /* if */
360
  while (Enum_Loc != Ident_1); /* true */
361
} /* Proc_2 */
362
 
363
 
364
Proc_3 (Ptr_Ref_Par)
365
/******************/
366
    /* executed once */
367
    /* Ptr_Ref_Par becomes Ptr_Glob */
368
 
369
Rec_Pointer *Ptr_Ref_Par;
370
 
371
{
372
  if (Ptr_Glob != Null)
373
    /* then, executed */
374
    *Ptr_Ref_Par = Ptr_Glob->Ptr_Comp;
375
  Proc_7 (10, Int_Glob, &Ptr_Glob->variant.var_1.Int_Comp);
376
} /* Proc_3 */
377
 
378
 
379
Proc_4 () /* without parameters */
380
/*******/
381
    /* executed once */
382
{
383
  Boolean Bool_Loc;
384
 
385
  Bool_Loc = Ch_1_Glob == 'A';
386
  Bool_Glob = Bool_Loc | Bool_Glob;
387
  Ch_2_Glob = 'B';
388
} /* Proc_4 */
389
 
390
 
391
Proc_5 () /* without parameters */
392
/*******/
393
    /* executed once */
394
{
395
  Ch_1_Glob = 'A';
396
  Bool_Glob = false;
397
} /* Proc_5 */
398
 
399
 
400
        /* Procedure for the assignment of structures,          */
401
        /* if the C compiler doesn't support this feature       */
402
#ifdef  NOSTRUCTASSIGN
403
memcpy (d, s, l)
404
register char   *d;
405
register char   *s;
406
register int    l;
407
{
408
        while (l--) *d++ = *s++;
409
}
410
#endif
411
 
412
 
413
/*
414
 ****************************************************************************
415
 *
416
 *                   "DHRYSTONE" Benchmark Program
417
 *                   -----------------------------
418
 *
419
 *  Version:    C, Version 2.1
420
 *
421
 *  File:       dhry_2.c (part 3 of 3)
422
 *
423
 *  Date:       May 25, 1988
424
 *
425
 *  Author:     Reinhold P. Weicker
426
 *
427
 ****************************************************************************
428
 */
429
 
430
#ifndef REG
431
#define REG
432
        /* REG becomes defined as empty */
433
        /* i.e. no register variables   */
434
#endif
435
 
436
extern  int     Int_Glob;
437
extern  char    Ch_1_Glob;
438
 
439
 
440
Proc_6 (Enum_Val_Par, Enum_Ref_Par)
441
/*********************************/
442
    /* executed once */
443
    /* Enum_Val_Par == Ident_3, Enum_Ref_Par becomes Ident_2 */
444
 
445
Enumeration  Enum_Val_Par;
446
Enumeration *Enum_Ref_Par;
447
{
448
  *Enum_Ref_Par = Enum_Val_Par;
449
  if (! Func_3 (Enum_Val_Par))
450
    /* then, not executed */
451
    *Enum_Ref_Par = Ident_4;
452
  switch (Enum_Val_Par)
453
  {
454
    case Ident_1:
455
      *Enum_Ref_Par = Ident_1;
456
      break;
457
    case Ident_2:
458
      if (Int_Glob > 100)
459
        /* then */
460
      *Enum_Ref_Par = Ident_1;
461
      else *Enum_Ref_Par = Ident_4;
462
      break;
463
    case Ident_3: /* executed */
464
      *Enum_Ref_Par = Ident_2;
465
      break;
466
    case Ident_4: break;
467
    case Ident_5:
468
      *Enum_Ref_Par = Ident_3;
469
      break;
470
  } /* switch */
471
} /* Proc_6 */
472
 
473
 
474
Proc_7 (Int_1_Par_Val, Int_2_Par_Val, Int_Par_Ref)
475
/**********************************************/
476
    /* executed three times                                      */
477
    /* first call:      Int_1_Par_Val == 2, Int_2_Par_Val == 3,  */
478
    /*                  Int_Par_Ref becomes 7                    */
479
    /* second call:     Int_1_Par_Val == 10, Int_2_Par_Val == 5, */
480
    /*                  Int_Par_Ref becomes 17                   */
481
    /* third call:      Int_1_Par_Val == 6, Int_2_Par_Val == 10, */
482
    /*                  Int_Par_Ref becomes 18                   */
483
One_Fifty       Int_1_Par_Val;
484
One_Fifty       Int_2_Par_Val;
485
One_Fifty      *Int_Par_Ref;
486
{
487
  One_Fifty Int_Loc;
488
 
489
  Int_Loc = Int_1_Par_Val + 2;
490
  *Int_Par_Ref = Int_2_Par_Val + Int_Loc;
491
} /* Proc_7 */
492
 
493
 
494
Proc_8 (Arr_1_Par_Ref, Arr_2_Par_Ref, Int_1_Par_Val, Int_2_Par_Val)
495
/*********************************************************************/
496
    /* executed once      */
497
    /* Int_Par_Val_1 == 3 */
498
    /* Int_Par_Val_2 == 7 */
499
Arr_1_Dim       Arr_1_Par_Ref;
500
Arr_2_Dim       Arr_2_Par_Ref;
501
int             Int_1_Par_Val;
502
int             Int_2_Par_Val;
503
{
504
  REG One_Fifty Int_Index;
505
  REG One_Fifty Int_Loc;
506
 
507
  Int_Loc = Int_1_Par_Val + 5;
508
  Arr_1_Par_Ref [Int_Loc] = Int_2_Par_Val;
509
  Arr_1_Par_Ref [Int_Loc+1] = Arr_1_Par_Ref [Int_Loc];
510
  Arr_1_Par_Ref [Int_Loc+30] = Int_Loc;
511
  for (Int_Index = Int_Loc; Int_Index <= Int_Loc+1; ++Int_Index)
512
    Arr_2_Par_Ref [Int_Loc] [Int_Index] = Int_Loc;
513
  Arr_2_Par_Ref [Int_Loc] [Int_Loc-1] += 1;
514
  Arr_2_Par_Ref [Int_Loc+20] [Int_Loc] = Arr_1_Par_Ref [Int_Loc];
515
  Int_Glob = 5;
516
} /* Proc_8 */
517
 
518
 
519
Enumeration Func_1 (Ch_1_Par_Val, Ch_2_Par_Val)
520
/*************************************************/
521
    /* executed three times                                         */
522
    /* first call:      Ch_1_Par_Val == 'H', Ch_2_Par_Val == 'R'    */
523
    /* second call:     Ch_1_Par_Val == 'A', Ch_2_Par_Val == 'C'    */
524
    /* third call:      Ch_1_Par_Val == 'B', Ch_2_Par_Val == 'C'    */
525
 
526
Capital_Letter   Ch_1_Par_Val;
527
Capital_Letter   Ch_2_Par_Val;
528
{
529
  Capital_Letter        Ch_1_Loc;
530
  Capital_Letter        Ch_2_Loc;
531
 
532
  Ch_1_Loc = Ch_1_Par_Val;
533
  Ch_2_Loc = Ch_1_Loc;
534
  if (Ch_2_Loc != Ch_2_Par_Val)
535
    /* then, executed */
536
    return (Ident_1);
537
  else  /* not executed */
538
  {
539
    Ch_1_Glob = Ch_1_Loc;
540
    return (Ident_2);
541
   }
542
} /* Func_1 */
543
 
544
 
545
Boolean Func_2 (Str_1_Par_Ref, Str_2_Par_Ref)
546
/*************************************************/
547
    /* executed once */
548
    /* Str_1_Par_Ref == "DHRYSTONE PROGRAM, 1'ST STRING" */
549
    /* Str_2_Par_Ref == "DHRYSTONE PROGRAM, 2'ND STRING" */
550
 
551
Str_30  Str_1_Par_Ref;
552
Str_30  Str_2_Par_Ref;
553
{
554
  REG One_Thirty        Int_Loc;
555
      Capital_Letter    Ch_Loc;
556
 
557
  Int_Loc = 2;
558
  while (Int_Loc <= 2) /* loop body executed once */
559
    if (Func_1 (Str_1_Par_Ref[Int_Loc],
560
                Str_2_Par_Ref[Int_Loc+1]) == Ident_1)
561
      /* then, executed */
562
    {
563
      Ch_Loc = 'A';
564
      Int_Loc += 1;
565
    } /* if, while */
566
  if (Ch_Loc >= 'W' && Ch_Loc < 'Z')
567
    /* then, not executed */
568
    Int_Loc = 7;
569
  if (Ch_Loc == 'R')
570
    /* then, not executed */
571
    return (true);
572
  else /* executed */
573
  {
574
    if (strcmp (Str_1_Par_Ref, Str_2_Par_Ref) > 0)
575
      /* then, not executed */
576
    {
577
      Int_Loc += 7;
578
      Int_Glob = Int_Loc;
579
      return (true);
580
    }
581
    else /* executed */
582
      return (false);
583
  } /* if Ch_Loc */
584
} /* Func_2 */
585
 
586
 
587
Boolean Func_3 (Enum_Par_Val)
588
/***************************/
589
    /* executed once        */
590
    /* Enum_Par_Val == Ident_3 */
591
Enumeration Enum_Par_Val;
592
{
593
  Enumeration Enum_Loc;
594
 
595
  Enum_Loc = Enum_Par_Val;
596
  if (Enum_Loc == Ident_3)
597
    /* then, executed */
598
    return (true);
599
  else /* not executed */
600
    return (false);
601
} /* Func_3 */
602
 

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