/* -*- mode: C; c-basic-offset: 3; -*- */ /* This file is part of MemCheck, a heavyweight Valgrind tool for detecting memory errors. Copyright (C) 2012-2015 Florian Krohm This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. The GNU General Public License is contained in the file COPYING. */ #include <assert.h> #include "vtest.h" /* Check the result of a unary operation. */ static void check_result_for_unary(const irop_t *op, const test_data_t *data) { const opnd_t *result = &data->result; const opnd_t *opnd = &data->opnds[0]; unsigned num_bits = result->vbits.num_bits; vbits_t expected_vbits; /* Only handle those undef-kinds that actually occur. */ switch (op->undef_kind) { case UNDEF_ALL: expected_vbits = undefined_vbits(num_bits); break; case UNDEF_SAME: expected_vbits = opnd->vbits; break; case UNDEF_TRUNC: expected_vbits = truncate_vbits(opnd->vbits, num_bits); break; case UNDEF_LEFT: expected_vbits = left_vbits(opnd->vbits, num_bits); break; case UNDEF_UPPER: assert(num_bits * 2 == opnd->vbits.num_bits); expected_vbits = upper_vbits(opnd->vbits); break; case UNDEF_SEXT: expected_vbits = sextend_vbits(opnd->vbits, num_bits); break; case UNDEF_ZEXT: expected_vbits = zextend_vbits(opnd->vbits, num_bits); break; default: panic(__func__); } if (! equal_vbits(result->vbits, expected_vbits)) complain(op, data, expected_vbits); } int test_unary_op(const irop_t *op, test_data_t *data) { unsigned num_input_bits, bitpos; int tests_done = 0; num_input_bits = bitsof_irtype(data->opnds[0].type); for (bitpos = 0; bitpos < num_input_bits; ++bitpos) { data->opnds[0].vbits = onehot_vbits(bitpos, num_input_bits); valgrind_execute_test(op, data); check_result_for_unary(op, data); tests_done++; } return tests_done; }