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 // 17 DEFINE_COMPILERRT_FUNCTION(__bswapsi2) 18 rev r0, r0 // reverse bytes in parameter and put into result register 19 bx lr 20
