1 //===-- fixsfsivfp.S - Implement fixsfsivfp -----------------------===//
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 int __fixsfsivfp(float a);
15 // Converts single precision float to a 32-bit int rounding towards zero.
16 // Uses Darwin calling convention where a single precision parameter is
21 DEFINE_COMPILERRT_FUNCTION(__fixsfsivfp)
22 vmov s15, r0 // load float register from R0
23 vcvt.s32.f32 s15, s15 // convert single to 32-bit int into s15
24 vmov r0, s15 // move s15 to result register