//===------- bswapdi2 - Implement bswapdi2 ---------------------------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #include "../assembly.h" // // extern uint64_t __bswapdi2(uint64_t); // // Reverse all the bytes in a 64-bit integer. // DEFINE_COMPILERRT_FUNCTION(__bswapdi2) rev r2, r1 // reverse bytes in high 32-bits into temp2 rev r3, r0 // reverse bytes in low 32-bit into temp3 mov r0, r2 // set low 32-bits of result to temp2 mov r1, r3 // set high 32-bits of result to temp3 bx lr