1*7c3d14c8STreehugger Robot//===-- adddf3vfp.S - Implement adddf3vfp ---------------------------------===// 2*7c3d14c8STreehugger Robot// 3*7c3d14c8STreehugger Robot// The LLVM Compiler Infrastructure 4*7c3d14c8STreehugger Robot// 5*7c3d14c8STreehugger Robot// This file is dual licensed under the MIT and the University of Illinois Open 6*7c3d14c8STreehugger Robot// Source Licenses. See LICENSE.TXT for details. 7*7c3d14c8STreehugger Robot// 8*7c3d14c8STreehugger Robot//===----------------------------------------------------------------------===// 9*7c3d14c8STreehugger Robot 10*7c3d14c8STreehugger Robot#include "../assembly.h" 11*7c3d14c8STreehugger Robot 12*7c3d14c8STreehugger Robot// 13*7c3d14c8STreehugger Robot// double __adddf3vfp(double a, double b) { return a + b; } 14*7c3d14c8STreehugger Robot// 15*7c3d14c8STreehugger Robot// Adds two double precision floating point numbers using the Darwin 16*7c3d14c8STreehugger Robot// calling convention where double arguments are passsed in GPR pairs 17*7c3d14c8STreehugger Robot// 18*7c3d14c8STreehugger Robot .syntax unified 19*7c3d14c8STreehugger Robot .p2align 2 20*7c3d14c8STreehugger RobotDEFINE_COMPILERRT_FUNCTION(__adddf3vfp) 21*7c3d14c8STreehugger Robot vmov d6, r0, r1 // move first param from r0/r1 pair into d6 22*7c3d14c8STreehugger Robot vmov d7, r2, r3 // move second param from r2/r3 pair into d7 23*7c3d14c8STreehugger Robot vadd.f64 d6, d6, d7 24*7c3d14c8STreehugger Robot vmov r0, r1, d6 // move result back to r0/r1 pair 25*7c3d14c8STreehugger Robot bx lr 26*7c3d14c8STreehugger RobotEND_COMPILERRT_FUNCTION(__adddf3vfp) 27*7c3d14c8STreehugger Robot 28*7c3d14c8STreehugger RobotNO_EXEC_STACK_DIRECTIVE 29*7c3d14c8STreehugger Robot 30