1//===------- bswapsi2 - Implement bswapsi2 ---------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "../assembly.h" 11 12// 13// extern uint32_t __bswapsi2(uint32_t); 14// 15// Reverse all the bytes in a 32-bit integer. 16// 17DEFINE_COMPILERRT_FUNCTION(__bswapsi2) 18 rev r0, r0 // reverse bytes in parameter and put into result register 19 bx lr 20