/* ===-- bswapdi2.c - Implement __bswapdi2 ---------------------------------=== * * The LLVM Compiler Infrastructure * * This file is dual licensed under the MIT and the University of Illinois Open * Source Licenses. See LICENSE.TXT for details. * * ===----------------------------------------------------------------------=== * * This file implements __bswapdi2 for the compiler_rt library. * * ===----------------------------------------------------------------------=== */ #include "int_lib.h" COMPILER_RT_ABI uint64_t __bswapdi2(uint64_t u) { return ( (((u)&0xff00000000000000ULL) >> 56) | (((u)&0x00ff000000000000ULL) >> 40) | (((u)&0x0000ff0000000000ULL) >> 24) | (((u)&0x000000ff00000000ULL) >> 8) | (((u)&0x00000000ff000000ULL) << 8) | (((u)&0x0000000000ff0000ULL) << 24) | (((u)&0x000000000000ff00ULL) << 40) | (((u)&0x00000000000000ffULL) << 56)); } |