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add brlib's bits.c (to remove problematic logs in bits.h)

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Bruno Raoult
2023-12-13 21:35:57 +01:00
parent e2d32a7300
commit 77bde22d00
1 changed files with 91 additions and 0 deletions
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91
libsrc/bits.c Normal file
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@@ -0,0 +1,91 @@
/* bits.c - information about bitops implementation.
*
* Copyright (C) 2021-2022 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 "bits.h"
#include "debug.h"
/**
* bits_implementation - display bitops implementation.
*
* For basic bitops (popcount, ctz, etc...), print the implementation
* (builtin, emulated).
*/
void bits_implementation(void)
{
log(0, "bitops implementation: ");
log(0, "popcount64: ");
# if __has_builtin(__builtin_popcountl)
log(0, "builtin, ");
# else
log(0, "emulated, ");
# endif
log(0, "popcount32: ");
# if __has_builtin(__builtin_popcount)
log(0, "builtin, ");
# else
log(0, "emulated, ");
# endif
log(0, "ctz64: ");
# if __has_builtin(__builtin_ctzl)
log(0, "builtin, ");
# elif __has_builtin(__builtin_clzl)
log(0, "builtin (clzl), ");
# else
log(0, "emulated, ");
# endif
log(0, "ctz32: ");
# if __has_builtin(__builtin_ctz)
log(0, "builtin, ");
# elif __has_builtin(__builtin_clz)
log(0, "builtin (clz), ");
# else
log(0, "emulated, ");
# endif
log(0, "clz64: ");
# if __has_builtin(__builtin_clzl)
log(0, "builtin, ");
# else
log(0, "emulated, ");
# endif
log(0, "clz32: ");
# if __has_builtin(__builtin_clz)
log(0, "builtin, ");
# else
log(0, "emulated, ");
# endif
log(0, "ffs64: ");
# if __has_builtin(__builtin_ffsl)
log(0, "builtin, ");
# elif __has_builtin(__builtin_ctzl)
log(0, "builtin (ctzl), ");
# else
log(0, "emulated, ");
# endif
log(0, "ffs32: ");
# if __has_builtin(__builtin_ffs)
log(0, "builtin, ");
# elif __has_builtin(__builtin_ctz)
log(0, "builtin (ctzl), ");
# else
log(0, "emulated, ");
# endif
log(0, "\n");
}