1*0ba22f51SPetr Hosek //===-- bswapsi2.c - Implement __bswapsi2 ---------------------------------===// 2*0ba22f51SPetr Hosek // 3*0ba22f51SPetr Hosek // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0ba22f51SPetr Hosek // See https://llvm.org/LICENSE.txt for license information. 5*0ba22f51SPetr Hosek // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0ba22f51SPetr Hosek // 7*0ba22f51SPetr Hosek //===----------------------------------------------------------------------===// 8*0ba22f51SPetr Hosek // 9*0ba22f51SPetr Hosek // This file implements __bswapsi2 for the compiler_rt library. 10*0ba22f51SPetr Hosek // 11*0ba22f51SPetr Hosek //===----------------------------------------------------------------------===// 128779ea7aSDimitry Andric 138779ea7aSDimitry Andric #include "int_lib.h" 148779ea7aSDimitry Andric __bswapsi2(uint32_t u)158779ea7aSDimitry AndricCOMPILER_RT_ABI uint32_t __bswapsi2(uint32_t u) { 16082b89b2SPetr Hosek return ((((u)&0xff000000) >> 24) | 178779ea7aSDimitry Andric (((u)&0x00ff0000) >> 8) | 188779ea7aSDimitry Andric (((u)&0x0000ff00) << 8) | 198779ea7aSDimitry Andric (((u)&0x000000ff) << 24)); 208779ea7aSDimitry Andric } 21