50 lines
2.0 KiB
C++
50 lines
2.0 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <stddef.h>
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#include <private/bionic_ifuncs.h>
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extern "C" {
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typedef int memset_func(void* __dst, int __ch, size_t __n);
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DEFINE_IFUNC_FOR(memset) {
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__builtin_cpu_init();
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if (__builtin_cpu_supports("avx2")) RETURN_FUNC(memset_func, memset_avx2);
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RETURN_FUNC(memset_func, memset_generic);
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}
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typedef void* __memset_chk_func(void* s, int c, size_t n, size_t n2);
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DEFINE_IFUNC_FOR(__memset_chk) {
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__builtin_cpu_init();
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if (__builtin_cpu_supports("avx2")) RETURN_FUNC(__memset_chk_func, __memset_chk_avx2);
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RETURN_FUNC(__memset_chk_func, __memset_chk_generic);
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}
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} // extern "C"
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