xref: /aosp_15_r20/external/llvm-libc/src/string/memory_utils/inline_bcmp.h (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1 //===-- Dispatch logic for bcmp -------------------------------------------===//
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 #ifndef LLVM_LIBC_SRC_STRING_MEMORY_UTILS_INLINE_BCMP_H
10 #define LLVM_LIBC_SRC_STRING_MEMORY_UTILS_INLINE_BCMP_H
11 
12 #include "src/__support/common.h"
13 #include "src/__support/macros/config.h"
14 #include "src/__support/macros/properties/architectures.h" // LIBC_TARGET_ARCH_IS_
15 
16 #include <stddef.h> // size_t
17 
18 #if defined(LIBC_TARGET_ARCH_IS_X86)
19 #include "src/string/memory_utils/x86_64/inline_bcmp.h"
20 #define LIBC_SRC_STRING_MEMORY_UTILS_BCMP inline_bcmp_x86
21 #elif defined(LIBC_TARGET_ARCH_IS_AARCH64)
22 #include "src/string/memory_utils/aarch64/inline_bcmp.h"
23 #define LIBC_SRC_STRING_MEMORY_UTILS_BCMP inline_bcmp_aarch64
24 #elif defined(LIBC_TARGET_ARCH_IS_ANY_RISCV)
25 #include "src/string/memory_utils/riscv/inline_bcmp.h"
26 #define LIBC_SRC_STRING_MEMORY_UTILS_BCMP inline_bcmp_riscv
27 #elif defined(LIBC_TARGET_ARCH_IS_ARM) || defined(LIBC_TARGET_ARCH_IS_GPU)
28 #include "src/string/memory_utils/generic/byte_per_byte.h"
29 #define LIBC_SRC_STRING_MEMORY_UTILS_BCMP inline_bcmp_byte_per_byte
30 #else
31 #error "Unsupported architecture"
32 #endif
33 
34 namespace LIBC_NAMESPACE_DECL {
35 
inline_bcmp(const void * p1,const void * p2,size_t count)36 [[gnu::flatten]] LIBC_INLINE int inline_bcmp(const void *p1, const void *p2,
37                                              size_t count) {
38   return static_cast<int>(LIBC_SRC_STRING_MEMORY_UTILS_BCMP(
39       reinterpret_cast<CPtr>(p1), reinterpret_cast<CPtr>(p2), count));
40 }
41 
42 } // namespace LIBC_NAMESPACE_DECL
43 
44 #undef LIBC_SRC_STRING_MEMORY_UTILS_BCMP
45 
46 #endif // LLVM_LIBC_SRC_STRING_MEMORY_UTILS_INLINE_BCMP_H
47