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alu-n-tst.h revision 1.1.1.3
      1      1.1  christos #ifndef N
      2      1.1  christos #error "N must be #defined"
      3      1.1  christos #endif
      4      1.1  christos 
      5      1.1  christos #include "symcat.h"
      6      1.1  christos 
      7      1.1  christos /* NOTE: see end of file for #undef of these macros */
      8  1.1.1.2  christos #define unsignedN    XCONCAT3(uint,N,_t)
      9      1.1  christos #define MAX_INT      XCONCAT2(MAX_INT,N)
     10      1.1  christos #define MIN_INT      XCONCAT2(MIN_INT,N)
     11      1.1  christos #define alu_N_tests     XCONCAT3(alu_,N,_tests)
     12      1.1  christos #define do_alu_N_tests  XCONCAT3(do_alu_,N,_tests)
     13      1.1  christos #define OP_BEGIN     XCONCAT3(ALU,N,_BEGIN)
     14      1.1  christos #define OP_ADDC      XCONCAT3(ALU,N,_ADDC)
     15      1.1  christos #define OP_ADDC_C    XCONCAT3(ALU,N,_ADDC_C)
     16      1.1  christos #define OP_SUBC      XCONCAT3(ALU,N,_SUBC)
     17      1.1  christos #define OP_SUBB      XCONCAT3(ALU,N,_SUBB)
     18      1.1  christos #define OP_SUBB_B    XCONCAT3(ALU,N,_SUBB_B)
     19      1.1  christos #define OP_SUBC_X    XCONCAT3(ALU,N,_SUBC_X)
     20      1.1  christos #define OP_NEGC      XCONCAT3(ALU,N,_NEGC)
     21      1.1  christos #define OP_NEGB      XCONCAT3(ALU,N,_NEGB)
     22      1.1  christos #define HAD_CARRY_BORROW    (XCONCAT3(ALU,N,_HAD_CARRY_BORROW) != 0)
     23      1.1  christos #define HAD_OVERFLOW (XCONCAT3(ALU,N,_HAD_OVERFLOW) != 0)
     24      1.1  christos #define RESULT          XCONCAT3(ALU,N,_RESULT)
     25      1.1  christos #define CARRY_BORROW_RESULT    XCONCAT3(ALU,N,_CARRY_BORROW_RESULT)
     26      1.1  christos #define OVERFLOW_RESULT XCONCAT3(ALU,N,_OVERFLOW_RESULT)
     27      1.1  christos #define do_op_N      XCONCAT2(do_op_,N)
     28      1.1  christos 
     29      1.1  christos 
     30  1.1.1.3  christos static void
     31      1.1  christos do_op_N (const alu_test *tst)
     32      1.1  christos {
     33      1.1  christos   const alu_op *op;
     34      1.1  christos   int borrow_p = 0;
     35      1.1  christos   OP_BEGIN (tst->begin);
     36      1.1  christos   print_hex (tst->begin, N);
     37      1.1  christos   for (op = tst->ops; op->op != NULL; op++)
     38      1.1  christos     {
     39      1.1  christos       printf (" %s ", op->op);
     40      1.1  christos       print_hex (op->arg, N);
     41      1.1  christos       if (strcmp (op->op, "ADDC") == 0)
     42      1.1  christos 	OP_ADDC (op->arg);
     43      1.1  christos       else if (strcmp (op->op, "ADDC_C0") == 0)
     44      1.1  christos 	OP_ADDC_C (op->arg, 0);
     45      1.1  christos       else if (strcmp (op->op, "ADDC_C1") == 0)
     46      1.1  christos 	OP_ADDC_C (op->arg, 1);
     47      1.1  christos       else if (strcmp (op->op, "SUBC") == 0)
     48      1.1  christos 	OP_SUBC (op->arg);
     49      1.1  christos       else if (strcmp (op->op, "SUBC_X0") == 0)
     50      1.1  christos 	OP_SUBC_X (op->arg, 0);
     51      1.1  christos       else if (strcmp (op->op, "SUBC_X1") == 0)
     52      1.1  christos 	OP_SUBC_X (op->arg, 1);
     53      1.1  christos       else if (strcmp (op->op, "SUBB") == 0)
     54      1.1  christos 	{
     55      1.1  christos 	  OP_SUBB (op->arg);
     56      1.1  christos 	  borrow_p ++;
     57      1.1  christos 	}
     58      1.1  christos       else if (strcmp (op->op, "SUBB_B0") == 0)
     59      1.1  christos 	{
     60      1.1  christos 	  OP_SUBB_B (op->arg, 0);
     61      1.1  christos 	  borrow_p ++;
     62      1.1  christos 	}
     63      1.1  christos       else if (strcmp (op->op, "SUBB_B1") == 0)
     64      1.1  christos 	{
     65      1.1  christos 	  OP_SUBB_B (op->arg, 1);
     66      1.1  christos 	  borrow_p ++;
     67      1.1  christos 	}
     68      1.1  christos       else if (strcmp (op->op, "NEGC") == 0)
     69      1.1  christos 	OP_NEGC ();
     70      1.1  christos       else if (strcmp (op->op, "NEGB") == 0)
     71      1.1  christos 	{
     72      1.1  christos 	  OP_NEGB ();
     73      1.1  christos 	  borrow_p ++;
     74      1.1  christos 	}
     75      1.1  christos       else
     76      1.1  christos 	{
     77      1.1  christos 	  printf (" -- operator unknown\n");
     78      1.1  christos 	  abort ();
     79      1.1  christos 	}
     80      1.1  christos     }
     81      1.1  christos   printf (" = ");
     82      1.1  christos   print_hex (tst->result, N);
     83      1.1  christos   if (borrow_p)
     84      1.1  christos     printf (" B:%d", tst->carry_borrow);
     85      1.1  christos   else
     86      1.1  christos     printf (" C:%d", tst->carry_borrow);
     87      1.1  christos   printf (" V:%d", tst->overflow);
     88      1.1  christos   if (tst->carry_borrow != HAD_CARRY_BORROW)
     89      1.1  christos     {
     90      1.1  christos       if (borrow_p)
     91      1.1  christos 	printf (" -- borrow (%d) wrong", HAD_CARRY_BORROW);
     92      1.1  christos       else
     93      1.1  christos 	printf (" -- carry (%d) wrong", HAD_CARRY_BORROW);
     94      1.1  christos       errors ++;
     95      1.1  christos     }
     96      1.1  christos   if (tst->overflow != HAD_OVERFLOW)
     97      1.1  christos     {
     98      1.1  christos       printf (" -- overflow (%d) wrong", HAD_OVERFLOW);
     99      1.1  christos       errors ++;
    100      1.1  christos     }
    101      1.1  christos   if ((unsignedN) CARRY_BORROW_RESULT != (unsignedN) tst->result)
    102      1.1  christos     {
    103      1.1  christos       printf (" -- result for carry/borrow wrong ");
    104      1.1  christos       print_hex (CARRY_BORROW_RESULT, N);
    105      1.1  christos       errors ++;
    106      1.1  christos     }
    107      1.1  christos   if ((unsignedN) OVERFLOW_RESULT != (unsignedN) tst->result)
    108      1.1  christos     {
    109      1.1  christos       printf (" -- result for overflow wrong ");
    110      1.1  christos       print_hex (OVERFLOW_RESULT, N);
    111      1.1  christos       errors ++;
    112      1.1  christos     }
    113      1.1  christos   if ((unsignedN) RESULT != (unsignedN) tst->result)
    114      1.1  christos     {
    115      1.1  christos       printf (" -- result wrong ");
    116      1.1  christos       print_hex (RESULT, N);
    117      1.1  christos       errors ++;
    118      1.1  christos     }
    119      1.1  christos   printf ("\n");
    120      1.1  christos }
    121      1.1  christos 
    122      1.1  christos 
    123  1.1.1.3  christos static const alu_test alu_N_tests[] = {
    124      1.1  christos 
    125      1.1  christos   /* 0 + 0; 0 + 1; 1 + 0; 1 + 1 */
    126      1.1  christos   { 0, { { "ADDC", 0 }, }, 0, 0, 0, },
    127      1.1  christos   { 0, { { "ADDC", 1 }, }, 1, 0, 0, },
    128      1.1  christos   { 1, { { "ADDC", 0 }, }, 1, 0, 0, },
    129      1.1  christos   { 1, { { "ADDC", 1 }, }, 2, 0, 0, },
    130      1.1  christos 
    131      1.1  christos   /* 0 + 0 + 0; 0 + 0 + 1; 0 + 1 + 0; 0 + 1 + 1 */
    132      1.1  christos   /* 1 + 0 + 0; 1 + 0 + 1; 1 + 1 + 0; 1 + 1 + 1 */
    133      1.1  christos   { 0, { { "ADDC_C0", 0 }, }, 0, 0, 0, },
    134      1.1  christos   { 0, { { "ADDC_C0", 1 }, }, 1, 0, 0, },
    135      1.1  christos   { 0, { { "ADDC_C1", 0 }, }, 1, 0, 0, },
    136      1.1  christos   { 0, { { "ADDC_C1", 1 }, }, 2, 0, 0, },
    137      1.1  christos   { 1, { { "ADDC_C0", 0 }, }, 1, 0, 0, },
    138      1.1  christos   { 1, { { "ADDC_C0", 1 }, }, 2, 0, 0, },
    139      1.1  christos   { 1, { { "ADDC_C1", 0 }, }, 2, 0, 0, },
    140      1.1  christos   { 1, { { "ADDC_C1", 1 }, }, 3, 0, 0, },
    141      1.1  christos 
    142      1.1  christos   /* */
    143      1.1  christos   { MAX_INT, { { "ADDC", 1 }, }, MIN_INT, 0, 1, },
    144      1.1  christos   { MIN_INT, { { "ADDC", -1 }, }, MAX_INT, 1, 1, },
    145      1.1  christos   { MAX_INT, { { "ADDC", MIN_INT }, }, -1, 0, 0, },
    146      1.1  christos   { MIN_INT, { { "ADDC", MAX_INT }, }, -1, 0, 0, },
    147      1.1  christos   { MAX_INT, { { "ADDC", MAX_INT }, }, MAX_INT << 1, 0, 1, },
    148      1.1  christos   { MIN_INT, { { "ADDC", MIN_INT }, }, 0, 1, 1, },
    149      1.1  christos   /* */
    150      1.1  christos   { 0, { { "ADDC_C1", -1 }, }, 0, 1, 0, },
    151      1.1  christos   { 0, { { "ADDC_C1", -2 }, }, -1, 0, 0, },
    152      1.1  christos   { -1, { { "ADDC_C1", 0 }, }, 0, 1, 0, },
    153      1.1  christos   { 0, { { "ADDC_C0", 0 }, }, 0, 0, 0, },
    154      1.1  christos   { -1, { { "ADDC_C1", -1 }, }, -1, 1, 0, },
    155      1.1  christos   { -1, { { "ADDC_C1", 1 }, }, 1, 1, 0, },
    156      1.1  christos   { 0, { { "ADDC_C1", MAX_INT }, }, MIN_INT, 0, 1, },
    157      1.1  christos   { MAX_INT, { { "ADDC_C1", 1 }, }, MIN_INT + 1, 0, 1, },
    158      1.1  christos   { MAX_INT, { { "ADDC_C1", MIN_INT }, }, 0, 1, 0, },
    159      1.1  christos   { MAX_INT, { { "ADDC_C1", MAX_INT }, }, (MAX_INT << 1) + 1, 0, 1, },
    160      1.1  christos   { MAX_INT, { { "ADDC_C0", MAX_INT }, }, MAX_INT << 1, 0, 1, },
    161      1.1  christos 
    162      1.1  christos   /* 0 - 0 */
    163      1.1  christos   { 0, { { "SUBC",    0 }, },  0, 1, 0, },
    164      1.1  christos   { 0, { { "SUBB",    0 }, },  0, 0, 0, },
    165      1.1  christos 
    166      1.1  christos   /* 0 - 1 */
    167      1.1  christos   { 0, { { "SUBC",    1 }, }, -1, 0, 0, },
    168      1.1  christos   { 0, { { "SUBB",    1 }, }, -1, 1, 0, },
    169      1.1  christos 
    170      1.1  christos   /* 1 - 0 */
    171      1.1  christos   { 1, { { "SUBC",    0 }, },  1, 1, 0, },
    172      1.1  christos   { 1, { { "SUBB",    0 }, },  1, 0, 0, },
    173      1.1  christos 
    174      1.1  christos   /* 1 - 1 */
    175      1.1  christos   { 1, { { "SUBC",    1 }, },  0, 1, 0, },
    176      1.1  christos   { 1, { { "SUBB",    1 }, },  0, 0, 0, },
    177      1.1  christos 
    178      1.1  christos   /* 0 - 0 - 0 */
    179      1.1  christos   { 0, { { "SUBC_X0", 0 }, }, -1, 0, 0, },
    180      1.1  christos   { 0, { { "SUBB_B0", 0 }, },  0, 0, 0, },
    181      1.1  christos 
    182      1.1  christos   /* 0 - 0 - 1 */
    183      1.1  christos   { 0, { { "SUBC_X0", 1 }, }, -2, 0, 0, },
    184      1.1  christos   { 0, { { "SUBB_B0", 1 }, }, -1, 1, 0, },
    185      1.1  christos 
    186      1.1  christos   /* 0 - 1 - 0 */
    187      1.1  christos   { 0, { { "SUBC_X1", 0 }, },  0, 1, 0, },
    188      1.1  christos   { 0, { { "SUBB_B1", 0 }, }, -1, 1, 0, },
    189      1.1  christos 
    190      1.1  christos   /* 0 - 1 - 1 */
    191      1.1  christos   { 0, { { "SUBC_X1", 1 }, }, -1, 0, 0, },
    192      1.1  christos   { 0, { { "SUBB_B1", 1 }, }, -2, 1, 0, },
    193      1.1  christos 
    194      1.1  christos   /* 1 - 0 - 0 */
    195      1.1  christos   { 1, { { "SUBC_X0", 0 }, },  0, 1, 0, },
    196      1.1  christos   { 1, { { "SUBB_B0", 0 }, },  1, 0, 0, },
    197      1.1  christos 
    198      1.1  christos   /* 1 - 0 - 1 */
    199      1.1  christos   { 1, { { "SUBC_X0", 1 }, }, -1, 0, 0, },
    200      1.1  christos   { 1, { { "SUBB_B0", 1 }, },  0, 0, 0, },
    201      1.1  christos 
    202      1.1  christos   /* 1 - 1 - 0 */
    203      1.1  christos   { 1, { { "SUBC_X1", 0 }, },  1, 1, 0, },
    204      1.1  christos   { 1, { { "SUBB_B1", 0 }, },  0, 0, 0, },
    205      1.1  christos 
    206      1.1  christos   /* 1 - 1 - 1 */
    207      1.1  christos   { 1, { { "SUBC_X1", 1 }, },  0, 1, 0, },
    208      1.1  christos   { 1, { { "SUBB_B1", 1 }, }, -1, 1, 0, },
    209      1.1  christos 
    210      1.1  christos   /* */
    211      1.1  christos   { 0,       { { "SUBC", MIN_INT }, }, MIN_INT, 0, 1, },
    212      1.1  christos   { MIN_INT, { { "SUBC", 1 }, }, MAX_INT, 1, 1, },
    213      1.1  christos   { MAX_INT, { { "SUBC", MAX_INT }, }, 0, 1, 0, },
    214      1.1  christos 
    215      1.1  christos   /* */
    216      1.1  christos   { 0,       { { "SUBC_X0", MIN_INT }, }, MAX_INT, 0, 0, },
    217      1.1  christos   { MIN_INT, { { "SUBC_X1",       0 }, }, MIN_INT, 1, 0, },
    218      1.1  christos   { MAX_INT, { { "SUBC_X0", MAX_INT }, },      -1, 0, 0, },
    219      1.1  christos 
    220      1.1  christos   /* */
    221      1.1  christos   { MAX_INT, { { "NEGC", 0 }, }, MIN_INT + 1, 0, 0, },
    222      1.1  christos   { MAX_INT, { { "NEGC", 0 }, }, MIN_INT + 1, 0, 0, },
    223      1.1  christos   { MIN_INT, { { "NEGC", 0 }, }, MIN_INT, 0, 1, },
    224      1.1  christos   { 0, { { "NEGC", 0 }, }, 0, 1, 0, },
    225      1.1  christos   { -1, { { "NEGC", 0 }, }, 1, 0, 0, },
    226      1.1  christos   { 1, { { "NEGC", 0 }, }, -1, 0, 0, },
    227      1.1  christos };
    228      1.1  christos 
    229      1.1  christos 
    230      1.1  christos static void
    231      1.1  christos do_alu_N_tests (void)
    232      1.1  christos {
    233      1.1  christos   int i;
    234      1.1  christos   for (i = 0; i < sizeof (alu_N_tests) / sizeof (*alu_N_tests); i++)
    235      1.1  christos     {
    236      1.1  christos       const alu_test *tst = &alu_N_tests[i];
    237      1.1  christos       do_op_N (tst);
    238      1.1  christos     }
    239      1.1  christos }
    240      1.1  christos 
    241      1.1  christos 
    242      1.1  christos #undef OP_BEGIN
    243      1.1  christos #undef OP_ADDC
    244      1.1  christos #undef OP_ADDC_C
    245      1.1  christos #undef OP_SUBB
    246      1.1  christos #undef OP_SUBC
    247      1.1  christos #undef OP_SUBC_X
    248      1.1  christos #undef OP_SUBB_B
    249      1.1  christos #undef HAD_OVERFLOW
    250      1.1  christos #undef HAD_CARRY_BORROW
    251      1.1  christos #undef OVERFLOW_RESULT
    252      1.1  christos #undef CARRY_BORROW_RESULT
    253      1.1  christos #undef RESULT
    254      1.1  christos #undef do_op_N
    255      1.1  christos #undef unsignedN
    256      1.1  christos #undef MAX_INT
    257      1.1  christos #undef MIN_INT
    258      1.1  christos #undef alu_N_tests
    259      1.1  christos #undef do_alu_N_tests
    260      1.1  christos 
    261