1 //===-- floatunssisfvfp.S - Implement floatunssisfvfp ---------------------===// 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 float __floatunssisfvfp(unsigned 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 .syntax unified 20 .align 2 21 DEFINE_COMPILERRT_FUNCTION(__floatunssisfvfp) 22 vmov s15, r0 // move int to float register s15 23 vcvt.f32.u32 s15, s15 // convert 32-bit int in s15 to float in s15 24 vmov r0, s15 // move s15 to result register 25 bx lr 26
