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 // 19 DEFINE_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
