OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [testsuite/] [common/] [alu-n-tst.h] - Blame information for rev 280

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 24 jeremybenn
#ifndef N
2
#error "N must be #defined"
3
#endif
4
 
5
#include "symcat.h"
6
 
7
/* NOTE: see end of file for #undef of these macros */
8
#define unsignedN    XCONCAT2(unsigned,N)
9
#define MAX_INT      XCONCAT2(MAX_INT,N)
10
#define MIN_INT      XCONCAT2(MIN_INT,N)
11
#define alu_N_tests     XCONCAT3(alu_,N,_tests)
12
#define do_alu_N_tests  XCONCAT3(do_alu_,N,_tests)
13
#define OP_BEGIN     XCONCAT3(ALU,N,_BEGIN)
14
#define OP_ADDC      XCONCAT3(ALU,N,_ADDC)
15
#define OP_ADDC_C    XCONCAT3(ALU,N,_ADDC_C)
16
#define OP_SUBC      XCONCAT3(ALU,N,_SUBC)
17
#define OP_SUBB      XCONCAT3(ALU,N,_SUBB)
18
#define OP_SUBB_B    XCONCAT3(ALU,N,_SUBB_B)
19
#define OP_SUBC_X    XCONCAT3(ALU,N,_SUBC_X)
20
#define OP_NEGC      XCONCAT3(ALU,N,_NEGC)
21
#define OP_NEGB      XCONCAT3(ALU,N,_NEGB)
22
#define HAD_CARRY_BORROW    (XCONCAT3(ALU,N,_HAD_CARRY_BORROW) != 0)
23
#define HAD_OVERFLOW (XCONCAT3(ALU,N,_HAD_OVERFLOW) != 0)
24
#define RESULT          XCONCAT3(ALU,N,_RESULT)
25
#define CARRY_BORROW_RESULT    XCONCAT3(ALU,N,_CARRY_BORROW_RESULT)
26
#define OVERFLOW_RESULT XCONCAT3(ALU,N,_OVERFLOW_RESULT)
27
#define do_op_N      XCONCAT2(do_op_,N)
28
 
29
 
30
void
31
do_op_N (const alu_test *tst)
32
{
33
  const alu_op *op;
34
  int borrow_p = 0;
35
  OP_BEGIN (tst->begin);
36
  print_hex (tst->begin, N);
37
  for (op = tst->ops; op->op != NULL; op++)
38
    {
39
      printf (" %s ", op->op);
40
      print_hex (op->arg, N);
41
      if (strcmp (op->op, "ADDC") == 0)
42
        OP_ADDC (op->arg);
43
      else if (strcmp (op->op, "ADDC_C0") == 0)
44
        OP_ADDC_C (op->arg, 0);
45
      else if (strcmp (op->op, "ADDC_C1") == 0)
46
        OP_ADDC_C (op->arg, 1);
47
      else if (strcmp (op->op, "SUBC") == 0)
48
        OP_SUBC (op->arg);
49
      else if (strcmp (op->op, "SUBC_X0") == 0)
50
        OP_SUBC_X (op->arg, 0);
51
      else if (strcmp (op->op, "SUBC_X1") == 0)
52
        OP_SUBC_X (op->arg, 1);
53
      else if (strcmp (op->op, "SUBB") == 0)
54
        {
55
          OP_SUBB (op->arg);
56
          borrow_p ++;
57
        }
58
      else if (strcmp (op->op, "SUBB_B0") == 0)
59
        {
60
          OP_SUBB_B (op->arg, 0);
61
          borrow_p ++;
62
        }
63
      else if (strcmp (op->op, "SUBB_B1") == 0)
64
        {
65
          OP_SUBB_B (op->arg, 1);
66
          borrow_p ++;
67
        }
68
      else if (strcmp (op->op, "NEGC") == 0)
69
        OP_NEGC ();
70
      else if (strcmp (op->op, "NEGB") == 0)
71
        {
72
          OP_NEGB ();
73
          borrow_p ++;
74
        }
75
      else
76
        {
77
          printf (" -- operator unknown\n");
78
          abort ();
79
        }
80
    }
81
  printf (" = ");
82
  print_hex (tst->result, N);
83
  if (borrow_p)
84
    printf (" B:%d", tst->carry_borrow);
85
  else
86
    printf (" C:%d", tst->carry_borrow);
87
  printf (" V:%d", tst->overflow);
88
  if (tst->carry_borrow != HAD_CARRY_BORROW)
89
    {
90
      if (borrow_p)
91
        printf (" -- borrow (%d) wrong", HAD_CARRY_BORROW);
92
      else
93
        printf (" -- carry (%d) wrong", HAD_CARRY_BORROW);
94
      errors ++;
95
    }
96
  if (tst->overflow != HAD_OVERFLOW)
97
    {
98
      printf (" -- overflow (%d) wrong", HAD_OVERFLOW);
99
      errors ++;
100
    }
101
  if ((unsignedN) CARRY_BORROW_RESULT != (unsignedN) tst->result)
102
    {
103
      printf (" -- result for carry/borrow wrong ");
104
      print_hex (CARRY_BORROW_RESULT, N);
105
      errors ++;
106
    }
107
  if ((unsignedN) OVERFLOW_RESULT != (unsignedN) tst->result)
108
    {
109
      printf (" -- result for overflow wrong ");
110
      print_hex (OVERFLOW_RESULT, N);
111
      errors ++;
112
    }
113
  if ((unsignedN) RESULT != (unsignedN) tst->result)
114
    {
115
      printf (" -- result wrong ");
116
      print_hex (RESULT, N);
117
      errors ++;
118
    }
119
  printf ("\n");
120
}
121
 
122
 
123
const alu_test alu_N_tests[] = {
124
 
125
  /* 0 + 0; 0 + 1; 1 + 0; 1 + 1 */
126
  { 0, { { "ADDC", 0 }, }, 0, 0, 0, },
127
  { 0, { { "ADDC", 1 }, }, 1, 0, 0, },
128
  { 1, { { "ADDC", 0 }, }, 1, 0, 0, },
129
  { 1, { { "ADDC", 1 }, }, 2, 0, 0, },
130
 
131
  /* 0 + 0 + 0; 0 + 0 + 1; 0 + 1 + 0; 0 + 1 + 1 */
132
  /* 1 + 0 + 0; 1 + 0 + 1; 1 + 1 + 0; 1 + 1 + 1 */
133
  { 0, { { "ADDC_C0", 0 }, }, 0, 0, 0, },
134
  { 0, { { "ADDC_C0", 1 }, }, 1, 0, 0, },
135
  { 0, { { "ADDC_C1", 0 }, }, 1, 0, 0, },
136
  { 0, { { "ADDC_C1", 1 }, }, 2, 0, 0, },
137
  { 1, { { "ADDC_C0", 0 }, }, 1, 0, 0, },
138
  { 1, { { "ADDC_C0", 1 }, }, 2, 0, 0, },
139
  { 1, { { "ADDC_C1", 0 }, }, 2, 0, 0, },
140
  { 1, { { "ADDC_C1", 1 }, }, 3, 0, 0, },
141
 
142
  /* */
143
  { MAX_INT, { { "ADDC", 1 }, }, MIN_INT, 0, 1, },
144
  { MIN_INT, { { "ADDC", -1 }, }, MAX_INT, 1, 1, },
145
  { MAX_INT, { { "ADDC", MIN_INT }, }, -1, 0, 0, },
146
  { MIN_INT, { { "ADDC", MAX_INT }, }, -1, 0, 0, },
147
  { MAX_INT, { { "ADDC", MAX_INT }, }, MAX_INT << 1, 0, 1, },
148
  { MIN_INT, { { "ADDC", MIN_INT }, }, 0, 1, 1, },
149
  /* */
150
  { 0, { { "ADDC_C1", -1 }, }, 0, 1, 0, },
151
  { 0, { { "ADDC_C1", -2 }, }, -1, 0, 0, },
152
  { -1, { { "ADDC_C1", 0 }, }, 0, 1, 0, },
153
  { 0, { { "ADDC_C0", 0 }, }, 0, 0, 0, },
154
  { -1, { { "ADDC_C1", -1 }, }, -1, 1, 0, },
155
  { -1, { { "ADDC_C1", 1 }, }, 1, 1, 0, },
156
  { 0, { { "ADDC_C1", MAX_INT }, }, MIN_INT, 0, 1, },
157
  { MAX_INT, { { "ADDC_C1", 1 }, }, MIN_INT + 1, 0, 1, },
158
  { MAX_INT, { { "ADDC_C1", MIN_INT }, }, 0, 1, 0, },
159
  { MAX_INT, { { "ADDC_C1", MAX_INT }, }, (MAX_INT << 1) + 1, 0, 1, },
160
  { MAX_INT, { { "ADDC_C0", MAX_INT }, }, MAX_INT << 1, 0, 1, },
161
 
162
  /* 0 - 0 */
163
  { 0, { { "SUBC",    0 }, },  0, 1, 0, },
164
  { 0, { { "SUBB",    0 }, },  0, 0, 0, },
165
 
166
  /* 0 - 1 */
167
  { 0, { { "SUBC",    1 }, }, -1, 0, 0, },
168
  { 0, { { "SUBB",    1 }, }, -1, 1, 0, },
169
 
170
  /* 1 - 0 */
171
  { 1, { { "SUBC",    0 }, },  1, 1, 0, },
172
  { 1, { { "SUBB",    0 }, },  1, 0, 0, },
173
 
174
  /* 1 - 1 */
175
  { 1, { { "SUBC",    1 }, },  0, 1, 0, },
176
  { 1, { { "SUBB",    1 }, },  0, 0, 0, },
177
 
178
  /* 0 - 0 - 0 */
179
  { 0, { { "SUBC_X0", 0 }, }, -1, 0, 0, },
180
  { 0, { { "SUBB_B0", 0 }, },  0, 0, 0, },
181
 
182
  /* 0 - 0 - 1 */
183
  { 0, { { "SUBC_X0", 1 }, }, -2, 0, 0, },
184
  { 0, { { "SUBB_B0", 1 }, }, -1, 1, 0, },
185
 
186
  /* 0 - 1 - 0 */
187
  { 0, { { "SUBC_X1", 0 }, },  0, 1, 0, },
188
  { 0, { { "SUBB_B1", 0 }, }, -1, 1, 0, },
189
 
190
  /* 0 - 1 - 1 */
191
  { 0, { { "SUBC_X1", 1 }, }, -1, 0, 0, },
192
  { 0, { { "SUBB_B1", 1 }, }, -2, 1, 0, },
193
 
194
  /* 1 - 0 - 0 */
195
  { 1, { { "SUBC_X0", 0 }, },  0, 1, 0, },
196
  { 1, { { "SUBB_B0", 0 }, },  1, 0, 0, },
197
 
198
  /* 1 - 0 - 1 */
199
  { 1, { { "SUBC_X0", 1 }, }, -1, 0, 0, },
200
  { 1, { { "SUBB_B0", 1 }, },  0, 0, 0, },
201
 
202
  /* 1 - 1 - 0 */
203
  { 1, { { "SUBC_X1", 0 }, },  1, 1, 0, },
204
  { 1, { { "SUBB_B1", 0 }, },  0, 0, 0, },
205
 
206
  /* 1 - 1 - 1 */
207
  { 1, { { "SUBC_X1", 1 }, },  0, 1, 0, },
208
  { 1, { { "SUBB_B1", 1 }, }, -1, 1, 0, },
209
 
210
  /* */
211
  { 0,       { { "SUBC", MIN_INT }, }, MIN_INT, 0, 1, },
212
  { MIN_INT, { { "SUBC", 1 }, }, MAX_INT, 1, 1, },
213
  { MAX_INT, { { "SUBC", MAX_INT }, }, 0, 1, 0, },
214
 
215
  /* */
216
  { 0,       { { "SUBC_X0", MIN_INT }, }, MAX_INT, 0, 0, },
217
  { MIN_INT, { { "SUBC_X1",       0 }, }, MIN_INT, 1, 0, },
218
  { MAX_INT, { { "SUBC_X0", MAX_INT }, },      -1, 0, 0, },
219
 
220
  /* */
221
  { MAX_INT, { { "NEGC", 0 }, }, MIN_INT + 1, 0, 0, },
222
  { MAX_INT, { { "NEGC", 0 }, }, MIN_INT + 1, 0, 0, },
223
  { MIN_INT, { { "NEGC", 0 }, }, MIN_INT, 0, 1, },
224
  { 0, { { "NEGC", 0 }, }, 0, 1, 0, },
225
  { -1, { { "NEGC", 0 }, }, 1, 0, 0, },
226
  { 1, { { "NEGC", 0 }, }, -1, 0, 0, },
227
};
228
 
229
 
230
static void
231
do_alu_N_tests (void)
232
{
233
  int i;
234
  for (i = 0; i < sizeof (alu_N_tests) / sizeof (*alu_N_tests); i++)
235
    {
236
      const alu_test *tst = &alu_N_tests[i];
237
      do_op_N (tst);
238
    }
239
}
240
 
241
 
242
#undef OP_BEGIN
243
#undef OP_ADDC
244
#undef OP_ADDC_C
245
#undef OP_SUBB
246
#undef OP_SUBC
247
#undef OP_SUBC_X
248
#undef OP_SUBB_B
249
#undef HAD_OVERFLOW
250
#undef HAD_CARRY_BORROW
251
#undef OVERFLOW_RESULT
252
#undef CARRY_BORROW_RESULT
253
#undef RESULT
254
#undef do_op_N
255
#undef unsignedN
256
#undef MAX_INT
257
#undef MIN_INT
258
#undef alu_N_tests
259
#undef do_alu_N_tests
260
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.