| //===-- Trivial builtin implementations ----------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIBC_SRC_STRING_MEMORY_UTILS_GENERIC_BUILTIN_H |
| #define LLVM_LIBC_SRC_STRING_MEMORY_UTILS_GENERIC_BUILTIN_H |
| |
| #include "src/__support/macros/attributes.h" // LIBC_INLINE |
| #include "src/string/memory_utils/utils.h" // Ptr, CPtr |
| |
| #include <stddef.h> // size_t |
| |
| namespace LIBC_NAMESPACE { |
| |
| #if !__has_builtin(__builtin_memcpy) || !__has_builtin(__builtin_memset) || \ |
| !__has_builtin(__builtin_memmove) |
| #error "Builtin not defined"); |
| #endif |
| |
| [[maybe_unused]] LIBC_INLINE void |
| inline_memcpy_builtin(Ptr dst, CPtr src, size_t count, size_t offset = 0) { |
| __builtin_memcpy(dst + offset, src + offset, count); |
| } |
| |
| [[maybe_unused]] LIBC_INLINE void inline_memmove_builtin(Ptr dst, CPtr src, |
| size_t count) { |
| __builtin_memmove(dst, src, count); |
| } |
| |
| [[maybe_unused]] LIBC_INLINE static void |
| inline_memset_builtin(Ptr dst, uint8_t value, size_t count, size_t offset = 0) { |
| __builtin_memset(dst + offset, value, count); |
| } |
| |
| } // namespace LIBC_NAMESPACE |
| |
| #endif // LLVM_LIBC_SRC_STRING_MEMORY_UTILS_GENERIC_BUILTIN_H |