1*3cab2bb3Spatrick//===-- divsf3vfp.S - Implement divsf3vfp ---------------------------------===// 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 float __divsf3vfp(float a, float b); 13*3cab2bb3Spatrick// 14*3cab2bb3Spatrick// Divides two single precision floating point numbers using the Darwin 15*3cab2bb3Spatrick// calling convention where single arguments are passsed like 32-bit ints. 16*3cab2bb3Spatrick// 17*3cab2bb3Spatrick .syntax unified 18*3cab2bb3Spatrick .p2align 2 19*3cab2bb3SpatrickDEFINE_COMPILERRT_FUNCTION(__divsf3vfp) 20*3cab2bb3Spatrick#if defined(COMPILER_RT_ARMHF_TARGET) 21*3cab2bb3Spatrick vdiv.f32 s0, s0, s1 22*3cab2bb3Spatrick#else 23*3cab2bb3Spatrick vmov s14, r0 // move first param from r0 into float register 24*3cab2bb3Spatrick vmov s15, r1 // move second param from r1 into float register 25*3cab2bb3Spatrick vdiv.f32 s13, s14, s15 26*3cab2bb3Spatrick vmov r0, s13 // move result back to r0 27*3cab2bb3Spatrick#endif 28*3cab2bb3Spatrick bx lr 29*3cab2bb3SpatrickEND_COMPILERRT_FUNCTION(__divsf3vfp) 30*3cab2bb3Spatrick 31*3cab2bb3SpatrickNO_EXEC_STACK_DIRECTIVE 32*3cab2bb3Spatrick 33