1 /* -*- mode: C; c-basic-offset: 3; -*- */ 2 3 #include <assert.h> 4 #include "vtest.h" 5 6 7 /* Check the result of a unary operation. */ 8 static void 9 check_result_for_unary(const irop_t *op, const test_data_t *data) 10 { 11 const opnd_t *result = &data->result; 12 const opnd_t *opnd = &data->opnds[0]; 13 unsigned num_bits = result->vbits.num_bits; 14 vbits_t expected_vbits; 15 16 /* Only handle those undef-kinds that actually occur. */ 17 switch (op->undef_kind) { 18 case UNDEF_ALL: 19 expected_vbits = undefined_vbits(num_bits); 20 break; 21 22 case UNDEF_SAME: 23 expected_vbits = opnd->vbits; 24 break; 25 26 case UNDEF_TRUNC: 27 expected_vbits = truncate_vbits(opnd->vbits, num_bits); 28 break; 29 30 case UNDEF_LEFT: 31 expected_vbits = left_vbits(opnd->vbits, num_bits); 32 break; 33 34 case UNDEF_UPPER: 35 assert(num_bits * 2 == opnd->vbits.num_bits); 36 expected_vbits = upper_vbits(opnd->vbits); 37 break; 38 39 case UNDEF_SEXT: 40 expected_vbits = sextend_vbits(opnd->vbits, num_bits); 41 break; 42 43 case UNDEF_ZEXT: 44 expected_vbits = zextend_vbits(opnd->vbits, num_bits); 45 break; 46 47 default: 48 panic(__func__); 49 } 50 51 if (! equal_vbits(result->vbits, expected_vbits)) 52 complain(op, data, expected_vbits); 53 } 54 55 56 int 57 test_unary_op(const irop_t *op, test_data_t *data) 58 { 59 unsigned num_input_bits, bitpos; 60 int tests_done = 0; 61 62 num_input_bits = bitsof_irtype(data->opnds[0].type); 63 64 for (bitpos = 0; bitpos < num_input_bits; ++bitpos) { 65 data->opnds[0].vbits = onehot_vbits(bitpos, num_input_bits); 66 67 valgrind_execute_test(op, data); 68 69 check_result_for_unary(op, data); 70 tests_done++; 71 } 72 return tests_done; 73 } 74
