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 DEFINE_COMPILERRT_FUNCTION(__fixsfsivfp) 20 fmsr s15, r0 // load float register from R0 21 ftosizs s15, s15 // convert single to 32-bit int into s15 22 fmrs r0, s15 // move s15 to result register 23 bx lr 24
