# 2 "bits-tst.c" /* Drive the bit test routines */ long long calc (const char *call, long long val, int row, int col) { if (strcmp (call, "MASK") == 0) return MASKED (val, row, col); if (strcmp (call, "MASK16") == 0) return MASKED16 (val, row, col); if (strcmp (call, "MASK32") == 0) return MASKED32 (val, row, col); if (strcmp (call, "MASK64") == 0) return MASKED64 (val, row, col); if (strcmp (call, "EXTRACT") == 0) return EXTRACTED (val, row, col); if (strcmp (call, "EXTRACT16") == 0) return EXTRACTED16 (val, row, col); if (strcmp (call, "EXTRACT32") == 0) return EXTRACTED32 (val, row, col); if (strcmp (call, "EXTRACT64") == 0) return EXTRACTED64 (val, row, col); if (strcmp (call, "LSEXTRACT") == 0) return LSEXTRACTED (val, row, col); if (strcmp (call, "LSEXTRACT16") == 0) return LSEXTRACTED16 (val, row, col); if (strcmp (call, "LSEXTRACT32") == 0) return LSEXTRACTED32 (val, row, col); if (strcmp (call, "LSEXTRACT64") == 0) return LSEXTRACTED64 (val, row, col); if (strcmp (call, "MSEXTRACT") == 0) return MSEXTRACTED (val, row, col); if (strcmp (call, "MSEXTRACT16") == 0) return MSEXTRACTED16 (val, row, col); if (strcmp (call, "MSEXTRACT32") == 0) return MSEXTRACTED32 (val, row, col); if (strcmp (call, "MSEXTRACT64") == 0) return MSEXTRACTED64 (val, row, col); if (strcmp (call, "INSERT") == 0) return INSERTED (val, row, col); if (strcmp (call, "INSERT16") == 0) return INSERTED16 (val, row, col); if (strcmp (call, "INSERT32") == 0) return INSERTED32 (val, row, col); if (strcmp (call, "INSERT64") == 0) return INSERTED64 (val, row, col); if (strcmp (call, "MSMASK") == 0) return MSMASKED (val, row, col); if (strcmp (call, "MSMASK16") == 0) return MSMASKED16 (val, row, col); if (strcmp (call, "MSMASK32") == 0) return MSMASKED32 (val, row, col); if (strcmp (call, "MSMASK64") == 0) return MSMASKED64 (val, row, col); if (strcmp (call, "LSMASK") == 0) return LSMASKED (val, row, col); if (strcmp (call, "LSMASK16") == 0) return LSMASKED16 (val, row, col); if (strcmp (call, "LSMASK32") == 0) return LSMASKED32 (val, row, col); if (strcmp (call, "LSMASK64") == 0) return LSMASKED64 (val, row, col); if (strcmp (call, "ROT16") == 0) return ROT16 (val, col); if (strcmp (call, "ROT32") == 0) return ROT32 (val, col); if (strcmp (call, "ROT64") == 0) return ROT64 (val, col); if (strcmp (call, "SEXT16") == 0) return SEXT16 (val, col); if (strcmp (call, "SEXT32") == 0) return SEXT32 (val, col); if (strcmp (call, "SEXT64") == 0) return SEXT64 (val, col); if (strcmp (call, "SEXT") == 0) return SEXT (val, col); else { fprintf (stderr, "Unknown call passed to calc (%s, 0x%08lx%08lx, %d, %d)\n", call, (long)(val >> 32), (long)val, row, col); abort (); return val; } } int check_sext (int nr_bits, const char *sexted, const char *masked, const char *msmasked) { int errors = 0; int col; for (col = 0; col < nr_bits; col ++) { long long mask = calc (masked, -1, col, col); long long msmask = calc (msmasked, -1, 0, (WITH_TARGET_WORD_MSB ? nr_bits - col - 1 : col)); long long sext = calc (sexted, mask, -1, col); long long mask_1 = mask >> 1; long long sext_1 = calc (sexted, mask_1, -1, col); if (mask_1 != sext_1) { fprintf (stderr, "%s:%d: ", __FILE__, __LINE__); fprintf (stderr, " %s(0x%08lx%08lx,%d) != 0x%08lx%08lx\n", sexted, (long)(mask_1 >> 32), (long)mask_1, col, (long)(sext_1 >> 32), (long)sext_1); errors ++; } if (sext != msmask) { fprintf (stderr, "%s:%d: ", __FILE__, __LINE__); fprintf (stderr, " %s(0x%08lx%08lx,%d) == 0x%08lx%08lx wrong, != 0x%08lx%08lx\n", sexted, (long)(mask >> 32), (long)mask, col, (long)(sext >> 32), (long)sext, (long)(msmask >> 32), (long)msmask); errors ++; } } return errors; } int check_rot (int nr_bits, const char *roted, const char *masked) { int errors = 0; int row; int col; for (row = 0; row < nr_bits; row++) for (col = 0; col < nr_bits; col++) if ((WITH_TARGET_WORD_MSB == 0 && row <= col) || (WITH_TARGET_WORD_MSB != 0 && row >= col)) { long long mask = calc (masked, -1, row, col); int shift; for (shift = -nr_bits + 1; shift < nr_bits; shift ++) { long long rot = calc (roted, mask, -1, shift); long long urot = calc (roted, rot, -1, -shift); if (mask != urot || (shift == 0 && rot != mask) || (shift != 0 && rot == mask && abs(row - col) != (nr_bits - 1))) { fprintf (stderr, "%s:%d: ", __FILE__, __LINE__); fprintf (stderr, " %s(%s(0x%08lx%08lx,%d) == 0x%08lx%08lx, %d) failed\n", roted, roted, (long)(mask >> 32), (long)mask, shift, (long)(urot >> 32), (long)urot, -shift); errors ++; } } } return errors; } int check_extract (int nr_bits, const char *extracted, const char *inserted, const char *masked) { int errors = 0; int row; int col; for (row = 0; row < nr_bits; row++) for (col = 0; col < nr_bits; col ++) if ((WITH_TARGET_WORD_MSB == 0 && row <= col) || (WITH_TARGET_WORD_MSB != 0 && row >= col)) { long long mask = calc (masked, -1, row, col); long long extr = calc (extracted, mask, row, col); long long inst = calc (inserted, extr, row, col); if (mask != inst) { fprintf (stderr, "%s:%d: ", __FILE__, __LINE__); fprintf (stderr, " %s(%d,%d)=0x%08lx%08lx -> %s=0x%08lx%08lx -> %s=0x%08lx%08lx failed\n", masked, row, col, (long)(mask >> 32), (long)mask, extracted, (long)(extr >> 32), (long)extr, inserted, (long)(inst >> 32), (long)inst); errors ++; } } return errors; } int check_bits (int call, test_spec **tests) { int r; int c; int errors = 0; while (*tests != NULL) { int nr_rows = (*tests)->nr_rows; int nr_cols = (*tests)->nr_cols; test_tuples *tuples = (*tests)->tuples; for (r = 0; r < nr_rows; r++) for (c = 0; c < nr_cols; c++) { int i = r * nr_rows + c; test_tuples *tuple = &tuples[i]; if (tuple->col >= 0) { long long val = (!call ? tuple->val : calc ((*tests)->macro, -1, tuple->row, tuple->col)); long long check = tuple->check; if (val != check) { fprintf (stderr, "%s:%d:", (*tests)->file, tuple->line); fprintf (stderr, " %s", (*tests)->macro); if (tuple->row >= 0) fprintf (stderr, " (%d, %d)", tuple->row, tuple->col); else fprintf (stderr, " (%d)", tuple->col); fprintf (stderr, " == 0x%08lx%08lx wrong, != 0x%08lx%08lx)\n", (long) (val >> 32), (long) val, (long) (check >> 32), (long) check); errors ++; } } } tests ++; } return errors; } int main (argc, argv) int argc; char **argv; { int errors = 0; #if defined (DO_BIT_TESTS) printf ("Checking BIT*\n"); errors += check_bits (0, bit_tests); #endif #if defined (DO_MASK_TESTS) printf ("Checking MASK*\n"); errors += check_bits (0, mask_tests); printf ("Checking MASKED*\n"); errors += check_bits (1, mask_tests); #endif #if defined (DO_LSMASK_TESTS) printf ("Checking LSMASK*\n"); errors += check_bits (0, lsmask_tests); printf ("Checking LSMASKED*\n"); errors += check_bits (1, lsmask_tests); #endif #if defined (DO_MSMASK_TESTS) printf ("Checking MSMASK*\n"); errors += check_bits (0, msmask_tests); printf ("Checking MSMASKED*\n"); errors += check_bits (1, msmask_tests); #endif printf ("Checking EXTRACTED*\n"); errors += check_extract (16, "EXTRACT16", "INSERT16", "MASK16"); errors += check_extract (32, "EXTRACT32", "INSERT32", "MASK32"); errors += check_extract (64, "EXTRACT64", "INSERT64", "MASK64"); errors += check_extract (64, "EXTRACT", "INSERT", "MASK"); printf ("Checking SEXT*\n"); errors += check_sext (16, "SEXT16", "MASK16", "MSMASK16"); errors += check_sext (32, "SEXT32", "MASK32", "MSMASK32"); errors += check_sext (64, "SEXT64", "MASK64", "MSMASK64"); errors += check_sext (64, "SEXT", "MASK", "MSMASK"); printf ("Checking ROT*\n"); errors += check_rot (16, "ROT16", "MASK16"); errors += check_rot (32, "ROT32", "MASK32"); errors += check_rot (64, "ROT64", "MASK64"); return errors != 0; }