llvm-project

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//===-- Implementation of memset_explicit ---------------------------------===//
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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/memset_explicit.h"
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#include "src/__support/common.h"
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#include "src/string/memory_utils/inline_memset.h"
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namespace LIBC_NAMESPACE {
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[[gnu::noinline]] LLVM_LIBC_FUNCTION(void *, memset_explicit,
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                                     (void *dst, int value, size_t count)) {
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  // Use the inline memset function to set the memory.
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  inline_memset(dst, static_cast<uint8_t>(value), count);
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  // avoid dead store elimination
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  // The asm itself should also be sufficient to behave as a compiler barrier.
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  asm("" : : "r"(dst) : "memory");
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  return dst;
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}
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} // namespace LIBC_NAMESPACE
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