void
test_ternary_op(const irop_t *op, test_data_t *data)
{
unsigned num_input_bits, i, bitpos;
opnd_t *opnds = data->opnds;
/* For each operand, set a single bit to undefined and observe how
that propagates to the output. Do this for all bits in each
operand. */
for (i = 0; i < 3; ++i) {
num_input_bits = bitsof_irtype(opnds[i].type);
opnds[0].vbits = defined_vbits(bitsof_irtype(opnds[0].type));
opnds[1].vbits = defined_vbits(bitsof_irtype(opnds[1].type));
opnds[2].vbits = defined_vbits(bitsof_irtype(opnds[2].type));
for (bitpos = 0; bitpos < num_input_bits; ++bitpos) {
opnds[i].vbits = onehot_vbits(bitpos, bitsof_irtype(opnds[i].type));
valgrind_execute_test(op, data);
check_result_for_ternary(op, data);
}
}
}
int
test_qernary_op(const irop_t *op, test_data_t *data)
{
unsigned num_input_bits, i, bitpos;
opnd_t *opnds = data->opnds;
int tests_done = 0;
/* Immediate operands are currently not supported here */
assert(op->immediate_index == 0);
/* For each operand, set a single bit to undefined and observe how
that propagates to the output. Do this for all bits in each
operand. */
for (i = 0; i < 4; ++i) {
num_input_bits = bitsof_irtype(opnds[i].type);
opnds[0].vbits = defined_vbits(bitsof_irtype(opnds[0].type));
opnds[1].vbits = defined_vbits(bitsof_irtype(opnds[1].type));
opnds[2].vbits = defined_vbits(bitsof_irtype(opnds[2].type));
opnds[3].vbits = defined_vbits(bitsof_irtype(opnds[3].type));
for (bitpos = 0; bitpos < num_input_bits; ++bitpos) {
opnds[i].vbits = onehot_vbits(bitpos, bitsof_irtype(opnds[i].type));
valgrind_execute_test(op, data);
check_result_for_qernary(op, data);
tests_done++;
}
}
return tests_done;
}
void
print_opnd(FILE *fp, const opnd_t *opnd)
{
fprintf(fp, "vbits = ");
print_vbits(fp, opnd->vbits);
/* Write the value only if it is defined. Otherwise, there will be error
messages about it being undefined */
if (equal_vbits(opnd->vbits, defined_vbits(opnd->vbits.num_bits))) {
fprintf(fp, " value = ");
print_value(fp, opnd->value, opnd->vbits.num_bits);
}
}
