1//===-- adddf3vfp.S - Implement adddf3vfp ---------------------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9#include "../assembly.h" 10 11// double __adddf3vfp(double a, double b) { return a + b; } 12// 13// Adds two double precision floating point numbers using the Darwin 14// calling convention where double arguments are passsed in GPR pairs 15 16 .syntax unified 17 .p2align 2 18DEFINE_COMPILERRT_FUNCTION(__adddf3vfp) 19#if defined(COMPILER_RT_ARMHF_TARGET) 20 vadd.f64 d0, d0, d1 21#else 22 vmov d6, r0, r1 // move first param from r0/r1 pair into d6 23 vmov d7, r2, r3 // move second param from r2/r3 pair into d7 24 vadd.f64 d6, d6, d7 25 vmov r0, r1, d6 // move result back to r0/r1 pair 26#endif 27 bx lr 28END_COMPILERRT_FUNCTION(__adddf3vfp) 29 30NO_EXEC_STACK_DIRECTIVE 31 32