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249dcdb71b
With new optimized strnlen for POWER8 [1], this patch adds strncat for power8 to make use of optimized strlen and strnlen. This is faster than POWER7 current implementation for larger strings. Tested on powerpc64 and powerpc64le. [1] https://sourceware.org/ml/libc-alpha/2017-03/msg00491.html * sysdeps/powerpc/powerpc64/multiarch/Makefile (sysdep_routines): Add strncat-power8. * sysdeps/powerpc/powerpc64/multiarch/strncat.c (strncat): Add __strncat_power8 to ifunc list. * sysdeps/powerpc/powerpc64/multiarch/ifunc-impl-list.c (strncat): Add __strncat_power8 to list of strncat functions. * sysdeps/powerpc/powerpc64/multiarch/strncat-power8.c: New file.
32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
/* Copyright (C) 2017 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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<http://www.gnu.org/licenses/ >. */
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#include <string.h>
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#define STRNCAT __strncat_power8
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extern __typeof (strncat) __strncat_power8 attribute_hidden;
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extern __typeof (strlen) __strlen_power8 attribute_hidden;
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extern __typeof (strnlen) __strnlen_power8 attribute_hidden;
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extern __typeof (memcpy) __memcpy_power7 attribute_hidden;
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#define strlen __strlen_power8
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#define __strnlen __strnlen_power8
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#define memcpy __memcpy_power7
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#include <string/strncat.c>
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