1//===-- Implementation of memset_explicit ---------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "src/string/memset_explicit.h"
10#include "src/__support/common.h"
11#include "src/string/memory_utils/inline_memset.h"
12
13namespace LIBC_NAMESPACE {
14
15[[gnu::noinline]] LLVM_LIBC_FUNCTION(void *, memset_explicit,
16 (void *dst, int value, size_t count)) {
17 // Use the inline memset function to set the memory.
18 inline_memset(dst, value: static_cast<uint8_t>(value), count);
19 // avoid dead store elimination
20 // The asm itself should also be sufficient to behave as a compiler barrier.
21 asm("" : : "r"(dst) : "memory");
22 return dst;
23}
24
25} // namespace LIBC_NAMESPACE
26

source code of libc/src/string/memset_explicit.cpp