67437dd014
The new framework makes it explicit which processor feature is being used and allows for easier per platform customization: - ARM cpu now uses trivial implementations to reduce code size. - Memcmp, Bcmp and Memmove have been optimized for x86 - Bcmp has been optimized for aarch64. This is a reland of https://reviews.llvm.org/D135134 (b3f1d58, 028414881381) Reviewed By: courbet Differential Revision: https://reviews.llvm.org/D136595
25 lines
812 B
C++
25 lines
812 B
C++
//===-- Implementation of mempcpy ----------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/string/mempcpy.h"
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#include "src/string/memory_utils/memcpy_implementations.h"
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#include "src/__support/common.h"
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#include <stddef.h> // For size_t.
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namespace __llvm_libc {
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LLVM_LIBC_FUNCTION(void *, mempcpy,
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(void *__restrict dst, const void *__restrict src,
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size_t count)) {
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inline_memcpy(dst, src, count);
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return reinterpret_cast<char *>(dst) + count;
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}
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} // namespace __llvm_libc
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