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