1 1.1 joerg //===-- adddf3vfp.S - Implement adddf3vfp ---------------------------------===// 2 1.1 joerg // 3 1.1 joerg // The LLVM Compiler Infrastructure 4 1.1 joerg // 5 1.1 joerg // This file is dual licensed under the MIT and the University of Illinois Open 6 1.1 joerg // Source Licenses. See LICENSE.TXT for details. 7 1.1 joerg // 8 1.1 joerg //===----------------------------------------------------------------------===// 9 1.1 joerg 10 1.1 joerg #include "../assembly.h" 11 1.1 joerg 12 1.1 joerg // 13 1.1 joerg // double __adddf3vfp(double a, double b) { return a + b; } 14 1.1 joerg // 15 1.1 joerg // Adds two double precision floating point numbers using the Darwin 16 1.1 joerg // calling convention where double arguments are passsed in GPR pairs 17 1.1 joerg // 18 1.1 joerg .syntax unified 19 1.1.1.2 joerg .p2align 2 20 1.1 joerg DEFINE_COMPILERRT_FUNCTION(__adddf3vfp) 21 1.1 joerg vmov d6, r0, r1 // move first param from r0/r1 pair into d6 22 1.1 joerg vmov d7, r2, r3 // move second param from r2/r3 pair into d7 23 1.1 joerg vadd.f64 d6, d6, d7 24 1.1 joerg vmov r0, r1, d6 // move result back to r0/r1 pair 25 1.1 joerg bx lr 26 1.1 joerg END_COMPILERRT_FUNCTION(__adddf3vfp) 27