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These routines are not extensively used (gnulib documentation even recommend use a replacement [1]), and there is already a POWER8 version that uses proper vectorized instructions. [1] https://www.gnu.org/software/gnulib/manual/gnulib.html#C-strings Checked with a build for some powerpc variations. Reviewed-by: Peter Bergner <bergner@linux.ibm.com>
35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
/* Multiple versions of strncasecmp
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Copyright (C) 2013-2025 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 <string.h>
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#include <shlib-compat.h>
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#include "init-arch.h"
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extern __typeof (__strncasecmp) __libc_strncasecmp;
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extern __typeof (__strncasecmp) __strncasecmp_ppc attribute_hidden;
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extern __typeof (__strncasecmp) __strncasecmp_power8 attribute_hidden;
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libc_ifunc (__libc_strncasecmp,
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(hwcap2 & PPC_FEATURE2_ARCH_2_07
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&& hwcap & PPC_FEATURE_HAS_ALTIVEC)
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? __strncasecmp_power8
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: __strncasecmp_ppc);
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weak_alias (__libc_strncasecmp, strncasecmp)
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