1*3cab2bb3Spatrick //===-- bswapsi2.c - Implement __bswapsi2 ---------------------------------===// 2*3cab2bb3Spatrick // 3*3cab2bb3Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*3cab2bb3Spatrick // See https://llvm.org/LICENSE.txt for license information. 5*3cab2bb3Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*3cab2bb3Spatrick // 7*3cab2bb3Spatrick //===----------------------------------------------------------------------===// 8*3cab2bb3Spatrick // 9*3cab2bb3Spatrick // This file implements __bswapsi2 for the compiler_rt library. 10*3cab2bb3Spatrick // 11*3cab2bb3Spatrick //===----------------------------------------------------------------------===// 12*3cab2bb3Spatrick 13*3cab2bb3Spatrick #include "int_lib.h" 14*3cab2bb3Spatrick __bswapsi2(uint32_t u)15*3cab2bb3SpatrickCOMPILER_RT_ABI uint32_t __bswapsi2(uint32_t u) { 16*3cab2bb3Spatrick return ((((u)&0xff000000) >> 24) | 17*3cab2bb3Spatrick (((u)&0x00ff0000) >> 8) | 18*3cab2bb3Spatrick (((u)&0x0000ff00) << 8) | 19*3cab2bb3Spatrick (((u)&0x000000ff) << 24)); 20*3cab2bb3Spatrick } 21