libc/src/string/memory_utils/inline_bcmp.h

   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/properties/architectures.h" // LIBC_TARGET_ARCH_IS_
  14
  15 #include <stddef.h> // size_t
  16
  17 #if defined(LIBC_TARGET_ARCH_IS_X86)
  18 #include "src/string/memory_utils/x86_64/inline_bcmp.h"
  19 #define LIBC_SRC_STRING_MEMORY_UTILS_BCMP inline_bcmp_x86
  20 #elif defined(LIBC_TARGET_ARCH_IS_AARCH64)
  21 #include "src/string/memory_utils/aarch64/inline_bcmp.h"
  22 #define LIBC_SRC_STRING_MEMORY_UTILS_BCMP inline_bcmp_aarch64
  23 #elif defined(LIBC_TARGET_ARCH_IS_ANY_RISCV)
  24 #include "src/string/memory_utils/riscv/inline_bcmp.h"
  25 #define LIBC_SRC_STRING_MEMORY_UTILS_BCMP inline_bcmp_riscv
  26 #elif defined(LIBC_TARGET_ARCH_IS_ARM) || defined(LIBC_TARGET_ARCH_IS_GPU)
  27 #include "src/string/memory_utils/generic/byte_per_byte.h"
  28 #define LIBC_SRC_STRING_MEMORY_UTILS_BCMP inline_bcmp_byte_per_byte
  29 #else
  30 #error "Unsupported architecture"
  31 #endif
  32
  33 namespace LIBC_NAMESPACE {
  34
  35 LIBC_INLINE int inline_bcmp(const void *p1, const void *p2, size_t count) {
  36   return static_cast<int>(LIBC_SRC_STRING_MEMORY_UTILS_BCMP(
  37       reinterpret_cast<CPtr>(p1), reinterpret_cast<CPtr>(p2), count));
  38 }
  39
  40 } // namespace LIBC_NAMESPACE
  41
  42 #undef LIBC_SRC_STRING_MEMORY_UTILS_BCMP
  43
  44 #endif // LLVM_LIBC_SRC_STRING_MEMORY_UTILS_INLINE_BCMP_H