1*3cab2bb3Spatrick//===-- divdf3vfp.S - Implement divdf3vfp ---------------------------------===// 2*3cab2bb3Spatrick// 3*3cab2bb3Spatrick// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*3cab2bb3Spatrick// See https://llvm.org/LICENSE.txt for license information. 5*3cab2bb3Spatrick// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*3cab2bb3Spatrick// 7*3cab2bb3Spatrick//===----------------------------------------------------------------------===// 8*3cab2bb3Spatrick 9*3cab2bb3Spatrick#include "../assembly.h" 10*3cab2bb3Spatrick 11*3cab2bb3Spatrick// 12*3cab2bb3Spatrick// extern double __divdf3vfp(double a, double b); 13*3cab2bb3Spatrick// 14*3cab2bb3Spatrick// Divides two double precision floating point numbers using the Darwin 15*3cab2bb3Spatrick// calling convention where double arguments are passsed in GPR pairs 16*3cab2bb3Spatrick// 17*3cab2bb3Spatrick .syntax unified 18*3cab2bb3Spatrick .p2align 2 19*3cab2bb3SpatrickDEFINE_COMPILERRT_FUNCTION(__divdf3vfp) 20*3cab2bb3Spatrick#if defined(COMPILER_RT_ARMHF_TARGET) 21*3cab2bb3Spatrick vdiv.f64 d0, d0, d1 22*3cab2bb3Spatrick#else 23*3cab2bb3Spatrick vmov d6, r0, r1 // move first param from r0/r1 pair into d6 24*3cab2bb3Spatrick vmov d7, r2, r3 // move second param from r2/r3 pair into d7 25*3cab2bb3Spatrick vdiv.f64 d5, d6, d7 26*3cab2bb3Spatrick vmov r0, r1, d5 // move result back to r0/r1 pair 27*3cab2bb3Spatrick#endif 28*3cab2bb3Spatrick bx lr 29*3cab2bb3SpatrickEND_COMPILERRT_FUNCTION(__divdf3vfp) 30*3cab2bb3Spatrick 31*3cab2bb3SpatrickNO_EXEC_STACK_DIRECTIVE 32*3cab2bb3Spatrick 33