1 //===-- fixunssfsivfp.S - Implement fixunssfsivfp -------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "../assembly.h"
13 // extern unsigned int __fixunssfsivfp(float a);
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
21 DEFINE_COMPILERRT_FUNCTION(__fixunssfsivfp)
22 fmsr s15, r0 // load float register from R0
23 ftouizs s15, s15 // convert single to 32-bit unsigned into s15
24 fmrs r0, s15 // move s15 to result register