libc/src/string/memory_utils/riscv/inline_memcmp.h

   1 //===-- Memcmp implementation for riscv -------------------------*- C++ -*-===//
   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 #ifndef LIBC_SRC_STRING_MEMORY_UTILS_RISCV_INLINE_MEMCMP_H
   9 #define LIBC_SRC_STRING_MEMORY_UTILS_RISCV_INLINE_MEMCMP_H
  10
  11 #include "src/__support/macros/attributes.h"               // LIBC_INLINE
  12 #include "src/__support/macros/config.h"
  13 #include "src/__support/macros/properties/architectures.h" // LIBC_TARGET_ARCH_IS_RISCV64
  14 #include "src/string/memory_utils/generic/aligned_access.h"
  15 #include "src/string/memory_utils/utils.h" // Ptr, CPtr
  16
  17 #include <stddef.h> // size_t
  18
  19 namespace LIBC_NAMESPACE_DECL {
  20
  21 [[maybe_unused]] LIBC_INLINE MemcmpReturnType
  22 inline_memcmp_riscv(CPtr p1, CPtr p2, size_t count) {
  23 #if defined(LIBC_TARGET_ARCH_IS_RISCV64)
  24   return inline_memcmp_aligned_access_64bit(p1, p2, count);
  25 #elif defined(LIBC_TARGET_ARCH_IS_RISCV32)
  26   return inline_memcmp_aligned_access_32bit(p1, p2, count);
  27 #else
  28 #error "Unimplemented"
  29 #endif
  30 }
  31
  32 } // namespace LIBC_NAMESPACE_DECL
  33
  34 #endif // LIBC_SRC_STRING_MEMORY_UTILS_RISCV_INLINE_MEMCMP_H