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89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/* Test stdc_trailing_zeros functions and macros.
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Copyright (C) 2024-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <tst-stdbit.h>
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static const struct stdbit_test inputs[] =
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{
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{ 0ULL, 8, 16, 32, 64 },
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{ 0x1ULL, 0, 0, 0, 0 },
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{ 0x2ULL, 1, 1, 1, 1 },
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{ 0x3ULL, 0, 0, 0, 0 },
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{ 0x4ULL, 2, 2, 2, 2 },
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{ 0x5ULL, 0, 0, 0, 0 },
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{ 0x6ULL, 1, 1, 1, 1 },
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{ 0x7ULL, 0, 0, 0, 0 },
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{ 0x8ULL, 3, 3, 3, 3 },
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{ 0x9ULL, 0, 0, 0, 0 },
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{ 0xaULL, 1, 1, 1, 1 },
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{ 0xbULL, 0, 0, 0, 0 },
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{ 0xcULL, 2, 2, 2, 2 },
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{ 0xdULL, 0, 0, 0, 0 },
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{ 0xeULL, 1, 1, 1, 1 },
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{ 0xfULL, 0, 0, 0, 0 },
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{ 0x10ULL, 4, 4, 4, 4 },
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{ 0x11ULL, 0, 0, 0, 0 },
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{ 0x12ULL, 1, 1, 1, 1 },
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{ 0x1fULL, 0, 0, 0, 0 },
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{ 0x20ULL, 5, 5, 5, 5 },
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{ 0x7fULL, 0, 0, 0, 0 },
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{ 0x80ULL, 7, 7, 7, 7 },
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{ 0x81ULL, 0, 0, 0, 0 },
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{ 0x9aULL, 1, 1, 1, 1 },
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{ 0xf3ULL, 0, 0, 0, 0 },
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{ 0xffULL, 0, 0, 0, 0 },
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{ 0x100ULL, 8, 8, 8, 8 },
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{ 0x101ULL, 0, 0, 0, 0 },
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{ 0x102ULL, 1, 1, 1, 1 },
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{ 0x1feULL, 1, 1, 1, 1 },
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{ 0x1ffULL, 0, 0, 0, 0 },
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{ 0x200ULL, 8, 9, 9, 9 },
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{ 0x234ULL, 2, 2, 2, 2 },
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{ 0x4567ULL, 0, 0, 0, 0 },
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{ 0x7fffULL, 0, 0, 0, 0 },
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{ 0x8000ULL, 8, 15, 15, 15 },
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{ 0x8001ULL, 0, 0, 0, 0 },
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{ 0xfffeULL, 1, 1, 1, 1 },
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{ 0xffffULL, 0, 0, 0, 0 },
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{ 0x10000ULL, 8, 16, 16, 16 },
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{ 0x10001ULL, 0, 0, 0, 0 },
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{ 0xfedcba98ULL, 3, 3, 3, 3 },
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{ 0xfffffefeULL, 1, 1, 1, 1 },
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{ 0xffffffffULL, 0, 0, 0, 0 },
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{ 0x100000000ULL, 8, 16, 32, 32 },
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{ 0x100000001ULL, 0, 0, 0, 0 },
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{ 0x123456789ULL, 0, 0, 0, 0 },
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{ 0x123456789abcdefULL, 0, 0, 0, 0 },
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{ 0x789abcdef0123456ULL, 1, 1, 1, 1 },
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{ 0x8000000000000000ULL, 8, 16, 32, 63 },
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{ 0x8000000000000001ULL, 0, 0, 0, 0 },
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{ 0xfffffffffffffffeULL, 1, 1, 1, 1 },
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{ 0xffffffffffffffffULL, 0, 0, 0, 0 },
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};
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TEST_STDBIT_UI_TOPLEVEL (stdc_trailing_zeros);
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static int
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do_test (void)
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{
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TEST_STDBIT_UI (stdc_trailing_zeros, inputs);
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return 0;
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}
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#include <support/test-driver.c>
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