92 lines
2.1 KiB
C
92 lines
2.1 KiB
C
/* bits.c - information about bitops implementation.
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*
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* Copyright (C) 2021-2022 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 "bits.h"
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#include "debug.h"
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/**
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* bits_implementation - display bitops implementation.
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*
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* For basic bitops (popcount, ctz, etc...), print the implementation
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* (builtin, emulated).
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*/
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void bits_implementation(void)
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{
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log(0, "bitops implementation: ");
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log(0, "popcount64: ");
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# if __has_builtin(__builtin_popcountl)
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log(0, "builtin, ");
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# else
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log(0, "emulated, ");
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# endif
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log(0, "popcount32: ");
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# if __has_builtin(__builtin_popcount)
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log(0, "builtin, ");
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# else
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log(0, "emulated, ");
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# endif
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log(0, "ctz64: ");
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# if __has_builtin(__builtin_ctzl)
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log(0, "builtin, ");
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# elif __has_builtin(__builtin_clzl)
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log(0, "builtin (clzl), ");
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# else
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log(0, "emulated, ");
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# endif
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log(0, "ctz32: ");
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# if __has_builtin(__builtin_ctz)
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log(0, "builtin, ");
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# elif __has_builtin(__builtin_clz)
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log(0, "builtin (clz), ");
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# else
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log(0, "emulated, ");
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# endif
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log(0, "clz64: ");
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# if __has_builtin(__builtin_clzl)
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log(0, "builtin, ");
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# else
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log(0, "emulated, ");
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# endif
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log(0, "clz32: ");
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# if __has_builtin(__builtin_clz)
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log(0, "builtin, ");
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# else
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log(0, "emulated, ");
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# endif
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log(0, "ffs64: ");
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# if __has_builtin(__builtin_ffsl)
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log(0, "builtin, ");
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# elif __has_builtin(__builtin_ctzl)
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log(0, "builtin (ctzl), ");
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# else
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log(0, "emulated, ");
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# endif
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log(0, "ffs32: ");
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# if __has_builtin(__builtin_ffs)
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log(0, "builtin, ");
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# elif __has_builtin(__builtin_ctz)
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log(0, "builtin (ctzl), ");
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# else
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log(0, "emulated, ");
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# endif
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log(0, "\n");
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}
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