1156cd587Sjoerg//===-- adddf3vfp.S - Implement adddf3vfp ---------------------------------===// 2156cd587Sjoerg// 3156cd587Sjoerg// The LLVM Compiler Infrastructure 4156cd587Sjoerg// 5156cd587Sjoerg// This file is dual licensed under the MIT and the University of Illinois Open 6156cd587Sjoerg// Source Licenses. See LICENSE.TXT for details. 7156cd587Sjoerg// 8156cd587Sjoerg//===----------------------------------------------------------------------===// 9156cd587Sjoerg 10156cd587Sjoerg#include "../assembly.h" 11156cd587Sjoerg 12156cd587Sjoerg// 13156cd587Sjoerg// double __adddf3vfp(double a, double b) { return a + b; } 14156cd587Sjoerg// 15156cd587Sjoerg// Adds two double precision floating point numbers using the Darwin 16156cd587Sjoerg// calling convention where double arguments are passsed in GPR pairs 17156cd587Sjoerg// 18156cd587Sjoerg .syntax unified 19*61f2f256Sjoerg .p2align 2 20156cd587SjoergDEFINE_COMPILERRT_FUNCTION(__adddf3vfp) 21156cd587Sjoerg vmov d6, r0, r1 // move first param from r0/r1 pair into d6 22156cd587Sjoerg vmov d7, r2, r3 // move second param from r2/r3 pair into d7 23156cd587Sjoerg vadd.f64 d6, d6, d7 24156cd587Sjoerg vmov r0, r1, d6 // move result back to r0/r1 pair 25156cd587Sjoerg bx lr 26156cd587SjoergEND_COMPILERRT_FUNCTION(__adddf3vfp) 27