1*0b57cec5SDimitry Andric//===-- muldf3vfp.S - Implement muldf3vfp ---------------------------------===// 2*0b57cec5SDimitry Andric// 3*0b57cec5SDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric// See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric// 7*0b57cec5SDimitry Andric//===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric 9*0b57cec5SDimitry Andric#include "../assembly.h" 10*0b57cec5SDimitry Andric 11*0b57cec5SDimitry Andric// 12*0b57cec5SDimitry Andric// extern double __muldf3vfp(double a, double b); 13*0b57cec5SDimitry Andric// 14*0b57cec5SDimitry Andric// Multiplies two double precision floating point numbers using the Darwin 15*0b57cec5SDimitry Andric// calling convention where double arguments are passsed in GPR pairs 16*0b57cec5SDimitry Andric// 17*0b57cec5SDimitry Andric .syntax unified 18*0b57cec5SDimitry Andric .p2align 2 19*0b57cec5SDimitry AndricDEFINE_COMPILERRT_FUNCTION(__muldf3vfp) 20*0b57cec5SDimitry Andric#if defined(COMPILER_RT_ARMHF_TARGET) 21*0b57cec5SDimitry Andric vmul.f64 d0, d0, d1 22*0b57cec5SDimitry Andric#else 23*0b57cec5SDimitry Andric vmov d6, r0, r1 // move first param from r0/r1 pair into d6 24*0b57cec5SDimitry Andric vmov d7, r2, r3 // move second param from r2/r3 pair into d7 25*0b57cec5SDimitry Andric vmul.f64 d6, d6, d7 26*0b57cec5SDimitry Andric vmov r0, r1, d6 // move result back to r0/r1 pair 27*0b57cec5SDimitry Andric#endif 28*0b57cec5SDimitry Andric bx lr 29*0b57cec5SDimitry AndricEND_COMPILERRT_FUNCTION(__muldf3vfp) 30*0b57cec5SDimitry Andric 31*0b57cec5SDimitry AndricNO_EXEC_STACK_DIRECTIVE 32*0b57cec5SDimitry Andric 33