fixsfsivfp.S revision 214152
1//===-- fixsfsivfp.S - Implement fixsfsivfp -----------------------===// 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 int __fixsfsivfp(float a); 14// 15// Converts single precision float to a 32-bit int rounding towards zero. 16// Uses Darwin calling convention where a single precision parameter is 17// passed in a GPR.. 18// 19 .align 2 20DEFINE_COMPILERRT_FUNCTION(__fixsfsivfp) 21 fmsr s15, r0 // load float register from R0 22 ftosizs s15, s15 // convert single to 32-bit int into s15 23 fmrs r0, s15 // move s15 to result register 24 bx lr 25