fixsfsivfp.S revision 214152
1214152Sed//===-- fixsfsivfp.S - Implement fixsfsivfp -----------------------===// 2214152Sed// 3214152Sed// The LLVM Compiler Infrastructure 4214152Sed// 5214152Sed// This file is distributed under the University of Illinois Open Source 6214152Sed// License. See LICENSE.TXT for details. 7214152Sed// 8214152Sed//===----------------------------------------------------------------------===// 9214152Sed 10214152Sed#include "../assembly.h" 11214152Sed 12214152Sed// 13214152Sed// extern int __fixsfsivfp(float a); 14214152Sed// 15214152Sed// Converts single precision float to a 32-bit int rounding towards zero. 16214152Sed// Uses Darwin calling convention where a single precision parameter is 17214152Sed// passed in a GPR.. 18214152Sed// 19214152Sed .align 2 20214152SedDEFINE_COMPILERRT_FUNCTION(__fixsfsivfp) 21214152Sed fmsr s15, r0 // load float register from R0 22214152Sed ftosizs s15, s15 // convert single to 32-bit int into s15 23214152Sed fmrs r0, s15 // move s15 to result register 24214152Sed bx lr 25