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3ef7e42861
This patch adds an optimized strcat which makes use of the default strcat function which calls the Power10 strcpy and strlen routines.
46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/* Multiple versions of strcat. PowerPC64 version.
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Copyright (C) 2014-2024 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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#if IS_IN (libc)
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# define strcat __redirect_strcat
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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 (strcat) __strcat_ppc attribute_hidden;
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extern __typeof (strcat) __strcat_power7 attribute_hidden;
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extern __typeof (strcat) __strcat_power8 attribute_hidden;
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#ifdef __LITTLE_ENDIAN__
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extern __typeof (strcat) __strcat_power10 attribute_hidden;
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#endif
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# undef strcat
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libc_ifunc_redirected (__redirect_strcat, strcat,
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#ifdef __LITTLE_ENDIAN__
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(hwcap2 & PPC_FEATURE2_ARCH_3_1
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&& hwcap & PPC_FEATURE_HAS_VSX)
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? __strcat_power10 :
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#endif
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(hwcap2 & PPC_FEATURE2_ARCH_2_07
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&& hwcap & PPC_FEATURE_HAS_VSX)
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? __strcat_power8
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: (hwcap & PPC_FEATURE_ARCH_2_06
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&& hwcap & PPC_FEATURE_HAS_VSX)
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? __strcat_power7
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: __strcat_ppc);
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#endif
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