1//===-- floatsisfvfp.S - Implement floatsisfvfp ---------------------------===// 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 float __floatsisfvfp(int a); 14// 15// Converts single precision float to a 32-bit int rounding towards zero. 16// Uses Darwin calling convention where a single precision result is 17// return in a GPR.. 18// 19DEFINE_COMPILERRT_FUNCTION(__floatsisfvfp) 20 fmsr s15, r0 // move int to float register s15 21 fsitos s15, s15 // convert 32-bit int in s15 to float in s15 22 fmrs r0, s15 // move s15 to result register 23 bx lr 24