1 //===-- fixsfsivfp.S - Implement fixsfsivfp -----------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. 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 .syntax unified 20 .align 2 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 25 bx lr 26
