177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao//===-- muldf3vfp.S - Implement muldf3vfp ---------------------------------===// 277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// The LLVM Compiler Infrastructure 477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// This file is distributed under the University of Illinois Open Source 677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// License. See LICENSE.TXT for details. 777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao//===----------------------------------------------------------------------===// 977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 1077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#include "../assembly.h" 1177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 1277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 1377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// extern double __muldf3vfp(double a, double b); 1477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 1577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// Multiplies two double precision floating point numbers using the Darwin 1677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// calling convention where double arguments are passsed in GPR pairs 1777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 1877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei LiaoDEFINE_COMPILERRT_FUNCTION(__muldf3vfp) 1977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao fmdrr d6, r0, r1 // move first param from r0/r1 pair into d6 2077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao fmdrr d7, r2, r3 // move second param from r2/r3 pair into d7 2177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao fmuld d6, d6, d7 2277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao fmrrd r0, r1, d6 // move result back to r0/r1 pair 2377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao bx lr 24