4 * This work is licensed under the terms of the GNU LGPL, version 2 or later.
5 * See the COPYING.LIB file in the top-level directory.
11 #include "qemu/osdep.h"
12 #include "qemu/bitops.h"
28 static const S32Test test_s32_data[] = {
29 { 0x38463983, 4, 4, -8 },
30 { 0x38463983, 12, 8, 0x63 },
31 { 0x38463983, 0, 32, 0x38463983 },
34 static const S64Test test_s64_data[] = {
35 { 0x8459826734967223ULL, 60, 4, -8 },
36 { 0x8459826734967223ULL, 0, 64, 0x8459826734967223LL },
39 static void test_sextract32(void)
43 for (i = 0; i < ARRAY_SIZE(test_s32_data); i++) {
44 const S32Test *test = &test_s32_data[i];
45 int32_t r = sextract32(test->value, test->start, test->length);
47 g_assert_cmpint(r, ==, test->result);
51 static void test_sextract64(void)
55 for (i = 0; i < ARRAY_SIZE(test_s32_data); i++) {
56 const S32Test *test = &test_s32_data[i];
57 int64_t r = sextract64(test->value, test->start, test->length);
59 g_assert_cmpint(r, ==, test->result);
62 for (i = 0; i < ARRAY_SIZE(test_s64_data); i++) {
63 const S64Test *test = &test_s64_data[i];
64 int64_t r = sextract64(test->value, test->start, test->length);
66 g_assert_cmpint(r, ==, test->result);
70 int main(int argc, char **argv)
72 g_test_init(&argc, &argv, NULL);
73 g_test_add_func("/bitops/sextract32", test_sextract32);
74 g_test_add_func("/bitops/sextract64", test_sextract64);