1d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik//===-- divdf3vfp.S - Implement divdf3vfp ---------------------------------===// 2d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik// 3d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik// The LLVM Compiler Infrastructure 4d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik// 59ad441ffec97db647fee3725b3424284fb913e14Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 69ad441ffec97db647fee3725b3424284fb913e14Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik// 8d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik//===----------------------------------------------------------------------===// 9d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik 1019336a2d6b9b375ac106125950f4ff09742d1aecDaniel Dunbar#include "../assembly.h" 11d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik 12d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik// 13d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik// extern double __divdf3vfp(double a, double b); 14d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik// 15d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik// Divides two double precision floating point numbers using the Darwin 16d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik// calling convention where double arguments are passsed in GPR pairs 17d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik// 18c20f862690410045fc8c77879f7e78918d2372e4Bob Wilson .syntax unified 19d016b38b065fbe3e22584728c3b8bc55fc8a5f9cNick Kledzik .align 2 20b4b1e8c5085cf83a50242057775a33ae4323d402Daniel DunbarDEFINE_COMPILERRT_FUNCTION(__divdf3vfp) 21c20f862690410045fc8c77879f7e78918d2372e4Bob Wilson vmov d6, r0, r1 // move first param from r0/r1 pair into d6 22c20f862690410045fc8c77879f7e78918d2372e4Bob Wilson vmov d7, r2, r3 // move second param from r2/r3 pair into d7 23c20f862690410045fc8c77879f7e78918d2372e4Bob Wilson vdiv.f64 d5, d6, d7 24c20f862690410045fc8c77879f7e78918d2372e4Bob Wilson vmov r0, r1, d5 // move result back to r0/r1 pair 25d47c2cfb86a7d9746f7665a73fa25a724c4ce354Nick Kledzik bx lr 26