1//===-- fixunsdfsivfp.S - Implement fixunsdfsivfp -------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "../assembly.h" 11 12// 13// extern unsigned int __fixunsdfsivfp(double a); 14// 15// Converts double precision float to a 32-bit unsigned int rounding towards 16// zero. All negative values become zero. 17// Uses Darwin calling convention where a double precision parameter is 18// passed in GPR register pair. 19// 20DEFINE_COMPILERRT_FUNCTION(__fixunsdfsivfp) 21 fmdrr d7, r0, r1 // load double register from R0/R1 22 ftouizd s15, d7 // convert double to 32-bit int into s15 23 fmrs r0, s15 // move s15 to result register 24 bx lr 25