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