| //===-- Implementation of memset_explicit ---------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/string/memset_explicit.h" |
| #include "src/__support/common.h" |
| #include "src/string/memory_utils/inline_memset.h" |
| |
| namespace LIBC_NAMESPACE { |
| |
| [[gnu::noinline]] LLVM_LIBC_FUNCTION(void *, memset_explicit, |
| (void *dst, int value, size_t count)) { |
| // Use the inline memset function to set the memory. |
| inline_memset(dst, static_cast<uint8_t>(value), count); |
| // avoid dead store elimination |
| // The asm itself should also be sufficient to behave as a compiler barrier. |
| asm("" : : "r"(dst) : "memory"); |
| return dst; |
| } |
| |
| } // namespace LIBC_NAMESPACE |