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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-exception6//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 Darwin14// calling convention where double arguments are passsed in GPR pairs15 16 .syntax unified17 .p2align 218DEFINE_COMPILERRT_FUNCTION(__adddf3vfp)19#if defined(COMPILER_RT_ARMHF_TARGET)20 vadd.f64 d0, d0, d121#else22 VMOV_TO_DOUBLE(d6, r0, r1) // move first param from r0/r1 pair into d623 VMOV_TO_DOUBLE(d7, r2, r3) // move second param from r2/r3 pair into d724 vadd.f64 d6, d6, d725 VMOV_FROM_DOUBLE(r0, r1, d6) // move result back to r0/r1 pair26#endif27 bx lr28END_COMPILERRT_FUNCTION(__adddf3vfp)29 30NO_EXEC_STACK_DIRECTIVE31 32