47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
/* bits.c - bitops testing.
|
|
*
|
|
* Copyright (C) 2024 Bruno Raoult ("br")
|
|
* Licensed under the GNU General Public License v3.0 or later.
|
|
* Some rights reserved. See COPYING.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with this
|
|
* program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
|
|
*
|
|
* SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "br.h"
|
|
#include "bitops.h"
|
|
// #include "cutest/CuTest.h"
|
|
|
|
static void test_popcount()
|
|
{
|
|
u32 t32[] = { 0x0, 0x88000101, 0xffffffff };
|
|
u64 t64[] = { 0x0ll, 0x8880000000000101LL, 0xffffffffffffffffll };
|
|
|
|
for (uint i = 0; i < sizeof(t32); ++i) {
|
|
printf("popcount 32 (%#x): ", t32[i]);
|
|
# ifdef ___popcount32_native
|
|
printf("native:%d ", ___popcount32_native(t32[i]));
|
|
# endif
|
|
printf("emulated:%d\n", ___popcount_emulated(t32[i]));
|
|
}
|
|
for (uint i = 0; i < sizeof(t64); ++i) {
|
|
printf("popcount 64 (%#lx): ", t64[i]);
|
|
# ifdef ___popcount64_native
|
|
printf("native:%d ", ___popcount64_native(t64[i]));
|
|
# endif
|
|
printf("emulated:%d\n", ___popcount_emulated(t64[i]));
|
|
}
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test_popcount();
|
|
exit(0);
|
|
}
|