261 lines
7.1 KiB
C
261 lines
7.1 KiB
C
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#ifndef N
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#error "N must be #defined"
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#endif
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#include "symcat.h"
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/* NOTE: see end of file for #undef of these macros */
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#define unsignedN XCONCAT2(unsigned,N)
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#define MAX_INT XCONCAT2(MAX_INT,N)
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#define MIN_INT XCONCAT2(MIN_INT,N)
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#define alu_N_tests XCONCAT3(alu_,N,_tests)
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#define do_alu_N_tests XCONCAT3(do_alu_,N,_tests)
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#define OP_BEGIN XCONCAT3(ALU,N,_BEGIN)
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#define OP_ADDC XCONCAT3(ALU,N,_ADDC)
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#define OP_ADDC_C XCONCAT3(ALU,N,_ADDC_C)
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#define OP_SUBC XCONCAT3(ALU,N,_SUBC)
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#define OP_SUBB XCONCAT3(ALU,N,_SUBB)
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#define OP_SUBB_B XCONCAT3(ALU,N,_SUBB_B)
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#define OP_SUBC_X XCONCAT3(ALU,N,_SUBC_X)
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#define OP_NEGC XCONCAT3(ALU,N,_NEGC)
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#define OP_NEGB XCONCAT3(ALU,N,_NEGB)
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#define HAD_CARRY_BORROW (XCONCAT3(ALU,N,_HAD_CARRY_BORROW) != 0)
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#define HAD_OVERFLOW (XCONCAT3(ALU,N,_HAD_OVERFLOW) != 0)
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#define RESULT XCONCAT3(ALU,N,_RESULT)
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#define CARRY_BORROW_RESULT XCONCAT3(ALU,N,_CARRY_BORROW_RESULT)
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#define OVERFLOW_RESULT XCONCAT3(ALU,N,_OVERFLOW_RESULT)
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#define do_op_N XCONCAT2(do_op_,N)
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void
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do_op_N (const alu_test *tst)
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{
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const alu_op *op;
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int borrow_p = 0;
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OP_BEGIN (tst->begin);
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print_hex (tst->begin, N);
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for (op = tst->ops; op->op != NULL; op++)
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{
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printf (" %s ", op->op);
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print_hex (op->arg, N);
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if (strcmp (op->op, "ADDC") == 0)
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OP_ADDC (op->arg);
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else if (strcmp (op->op, "ADDC_C0") == 0)
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OP_ADDC_C (op->arg, 0);
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else if (strcmp (op->op, "ADDC_C1") == 0)
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OP_ADDC_C (op->arg, 1);
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else if (strcmp (op->op, "SUBC") == 0)
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OP_SUBC (op->arg);
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else if (strcmp (op->op, "SUBC_X0") == 0)
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OP_SUBC_X (op->arg, 0);
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else if (strcmp (op->op, "SUBC_X1") == 0)
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OP_SUBC_X (op->arg, 1);
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else if (strcmp (op->op, "SUBB") == 0)
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{
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OP_SUBB (op->arg);
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borrow_p ++;
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}
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else if (strcmp (op->op, "SUBB_B0") == 0)
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{
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OP_SUBB_B (op->arg, 0);
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borrow_p ++;
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}
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else if (strcmp (op->op, "SUBB_B1") == 0)
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{
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OP_SUBB_B (op->arg, 1);
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borrow_p ++;
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}
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else if (strcmp (op->op, "NEGC") == 0)
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OP_NEGC ();
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else if (strcmp (op->op, "NEGB") == 0)
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{
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OP_NEGB ();
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borrow_p ++;
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}
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else
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{
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printf (" -- operator unknown\n");
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abort ();
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}
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}
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printf (" = ");
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print_hex (tst->result, N);
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if (borrow_p)
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printf (" B:%d", tst->carry_borrow);
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else
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printf (" C:%d", tst->carry_borrow);
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printf (" V:%d", tst->overflow);
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if (tst->carry_borrow != HAD_CARRY_BORROW)
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{
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if (borrow_p)
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printf (" -- borrow (%d) wrong", HAD_CARRY_BORROW);
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else
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printf (" -- carry (%d) wrong", HAD_CARRY_BORROW);
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errors ++;
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}
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if (tst->overflow != HAD_OVERFLOW)
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{
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printf (" -- overflow (%d) wrong", HAD_OVERFLOW);
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errors ++;
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}
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if ((unsignedN) CARRY_BORROW_RESULT != (unsignedN) tst->result)
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{
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printf (" -- result for carry/borrow wrong ");
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print_hex (CARRY_BORROW_RESULT, N);
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errors ++;
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}
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if ((unsignedN) OVERFLOW_RESULT != (unsignedN) tst->result)
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{
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printf (" -- result for overflow wrong ");
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print_hex (OVERFLOW_RESULT, N);
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errors ++;
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}
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if ((unsignedN) RESULT != (unsignedN) tst->result)
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{
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printf (" -- result wrong ");
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print_hex (RESULT, N);
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errors ++;
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}
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printf ("\n");
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}
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const alu_test alu_N_tests[] = {
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/* 0 + 0; 0 + 1; 1 + 0; 1 + 1 */
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{ 0, { { "ADDC", 0 }, }, 0, 0, 0, },
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{ 0, { { "ADDC", 1 }, }, 1, 0, 0, },
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{ 1, { { "ADDC", 0 }, }, 1, 0, 0, },
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{ 1, { { "ADDC", 1 }, }, 2, 0, 0, },
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/* 0 + 0 + 0; 0 + 0 + 1; 0 + 1 + 0; 0 + 1 + 1 */
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/* 1 + 0 + 0; 1 + 0 + 1; 1 + 1 + 0; 1 + 1 + 1 */
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{ 0, { { "ADDC_C0", 0 }, }, 0, 0, 0, },
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{ 0, { { "ADDC_C0", 1 }, }, 1, 0, 0, },
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{ 0, { { "ADDC_C1", 0 }, }, 1, 0, 0, },
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{ 0, { { "ADDC_C1", 1 }, }, 2, 0, 0, },
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{ 1, { { "ADDC_C0", 0 }, }, 1, 0, 0, },
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{ 1, { { "ADDC_C0", 1 }, }, 2, 0, 0, },
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{ 1, { { "ADDC_C1", 0 }, }, 2, 0, 0, },
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{ 1, { { "ADDC_C1", 1 }, }, 3, 0, 0, },
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/* */
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{ MAX_INT, { { "ADDC", 1 }, }, MIN_INT, 0, 1, },
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{ MIN_INT, { { "ADDC", -1 }, }, MAX_INT, 1, 1, },
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{ MAX_INT, { { "ADDC", MIN_INT }, }, -1, 0, 0, },
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{ MIN_INT, { { "ADDC", MAX_INT }, }, -1, 0, 0, },
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{ MAX_INT, { { "ADDC", MAX_INT }, }, MAX_INT << 1, 0, 1, },
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{ MIN_INT, { { "ADDC", MIN_INT }, }, 0, 1, 1, },
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/* */
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{ 0, { { "ADDC_C1", -1 }, }, 0, 1, 0, },
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{ 0, { { "ADDC_C1", -2 }, }, -1, 0, 0, },
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{ -1, { { "ADDC_C1", 0 }, }, 0, 1, 0, },
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{ 0, { { "ADDC_C0", 0 }, }, 0, 0, 0, },
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{ -1, { { "ADDC_C1", -1 }, }, -1, 1, 0, },
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{ -1, { { "ADDC_C1", 1 }, }, 1, 1, 0, },
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{ 0, { { "ADDC_C1", MAX_INT }, }, MIN_INT, 0, 1, },
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{ MAX_INT, { { "ADDC_C1", 1 }, }, MIN_INT + 1, 0, 1, },
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{ MAX_INT, { { "ADDC_C1", MIN_INT }, }, 0, 1, 0, },
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{ MAX_INT, { { "ADDC_C1", MAX_INT }, }, (MAX_INT << 1) + 1, 0, 1, },
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{ MAX_INT, { { "ADDC_C0", MAX_INT }, }, MAX_INT << 1, 0, 1, },
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/* 0 - 0 */
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{ 0, { { "SUBC", 0 }, }, 0, 1, 0, },
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{ 0, { { "SUBB", 0 }, }, 0, 0, 0, },
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/* 0 - 1 */
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{ 0, { { "SUBC", 1 }, }, -1, 0, 0, },
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{ 0, { { "SUBB", 1 }, }, -1, 1, 0, },
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/* 1 - 0 */
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{ 1, { { "SUBC", 0 }, }, 1, 1, 0, },
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{ 1, { { "SUBB", 0 }, }, 1, 0, 0, },
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/* 1 - 1 */
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{ 1, { { "SUBC", 1 }, }, 0, 1, 0, },
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{ 1, { { "SUBB", 1 }, }, 0, 0, 0, },
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/* 0 - 0 - 0 */
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{ 0, { { "SUBC_X0", 0 }, }, -1, 0, 0, },
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{ 0, { { "SUBB_B0", 0 }, }, 0, 0, 0, },
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/* 0 - 0 - 1 */
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{ 0, { { "SUBC_X0", 1 }, }, -2, 0, 0, },
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{ 0, { { "SUBB_B0", 1 }, }, -1, 1, 0, },
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/* 0 - 1 - 0 */
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{ 0, { { "SUBC_X1", 0 }, }, 0, 1, 0, },
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{ 0, { { "SUBB_B1", 0 }, }, -1, 1, 0, },
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/* 0 - 1 - 1 */
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{ 0, { { "SUBC_X1", 1 }, }, -1, 0, 0, },
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{ 0, { { "SUBB_B1", 1 }, }, -2, 1, 0, },
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/* 1 - 0 - 0 */
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{ 1, { { "SUBC_X0", 0 }, }, 0, 1, 0, },
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{ 1, { { "SUBB_B0", 0 }, }, 1, 0, 0, },
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/* 1 - 0 - 1 */
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{ 1, { { "SUBC_X0", 1 }, }, -1, 0, 0, },
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{ 1, { { "SUBB_B0", 1 }, }, 0, 0, 0, },
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/* 1 - 1 - 0 */
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{ 1, { { "SUBC_X1", 0 }, }, 1, 1, 0, },
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{ 1, { { "SUBB_B1", 0 }, }, 0, 0, 0, },
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/* 1 - 1 - 1 */
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{ 1, { { "SUBC_X1", 1 }, }, 0, 1, 0, },
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{ 1, { { "SUBB_B1", 1 }, }, -1, 1, 0, },
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/* */
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{ 0, { { "SUBC", MIN_INT }, }, MIN_INT, 0, 1, },
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{ MIN_INT, { { "SUBC", 1 }, }, MAX_INT, 1, 1, },
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{ MAX_INT, { { "SUBC", MAX_INT }, }, 0, 1, 0, },
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/* */
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{ 0, { { "SUBC_X0", MIN_INT }, }, MAX_INT, 0, 0, },
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{ MIN_INT, { { "SUBC_X1", 0 }, }, MIN_INT, 1, 0, },
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{ MAX_INT, { { "SUBC_X0", MAX_INT }, }, -1, 0, 0, },
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/* */
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{ MAX_INT, { { "NEGC", 0 }, }, MIN_INT + 1, 0, 0, },
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{ MAX_INT, { { "NEGC", 0 }, }, MIN_INT + 1, 0, 0, },
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{ MIN_INT, { { "NEGC", 0 }, }, MIN_INT, 0, 1, },
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{ 0, { { "NEGC", 0 }, }, 0, 1, 0, },
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{ -1, { { "NEGC", 0 }, }, 1, 0, 0, },
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{ 1, { { "NEGC", 0 }, }, -1, 0, 0, },
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};
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static void
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do_alu_N_tests (void)
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{
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int i;
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for (i = 0; i < sizeof (alu_N_tests) / sizeof (*alu_N_tests); i++)
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{
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const alu_test *tst = &alu_N_tests[i];
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do_op_N (tst);
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}
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}
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#undef OP_BEGIN
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#undef OP_ADDC
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#undef OP_ADDC_C
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#undef OP_SUBB
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#undef OP_SUBC
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#undef OP_SUBC_X
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#undef OP_SUBB_B
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#undef HAD_OVERFLOW
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#undef HAD_CARRY_BORROW
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#undef OVERFLOW_RESULT
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#undef CARRY_BORROW_RESULT
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#undef RESULT
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#undef do_op_N
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#undef unsignedN
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#undef MAX_INT
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#undef MIN_INT
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#undef alu_N_tests
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#undef do_alu_N_tests
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