/* ===-- bswapsi2.c - Implement __bswapsi2 ---------------------------------=== * * The LLVM Compiler Infrastructure * * This file is dual licensed under the MIT and the University of Illinois Open * Source Licenses. See LICENSE.TXT for details. * * ===----------------------------------------------------------------------=== * * This file implements __bswapsi2 for the compiler_rt library. * * ===----------------------------------------------------------------------=== */ #include "int_lib.h" COMPILER_RT_ABI uint32_t __bswapsi2 (uint32_t u) { return ((((u) & 0xff000000) >> 24) | (((u) & 0x00ff0000) >> 8) | (((u) & 0x0000ff00) << 8) | (((u) & 0x000000ff) << 24)); }