1*0b57cec5SDimitry Andric //===-- bswapsi2.c - Implement __bswapsi2 ---------------------------------===// 2*0b57cec5SDimitry Andric // 3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric // 7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric // 9*0b57cec5SDimitry Andric // This file implements __bswapsi2 for the compiler_rt library. 10*0b57cec5SDimitry Andric // 11*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 12*0b57cec5SDimitry Andric 13*0b57cec5SDimitry Andric #include "int_lib.h" 14*0b57cec5SDimitry Andric __bswapsi2(uint32_t u)15*0b57cec5SDimitry AndricCOMPILER_RT_ABI uint32_t __bswapsi2(uint32_t u) { 16*0b57cec5SDimitry Andric return ((((u)&0xff000000) >> 24) | 17*0b57cec5SDimitry Andric (((u)&0x00ff0000) >> 8) | 18*0b57cec5SDimitry Andric (((u)&0x0000ff00) << 8) | 19*0b57cec5SDimitry Andric (((u)&0x000000ff) << 24)); 20*0b57cec5SDimitry Andric } 21