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