1*0a6a1f1dSLionel Sambuc//===-- floatunssisfvfp.S - Implement floatunssisfvfp ---------------------===// 2*0a6a1f1dSLionel Sambuc// 3*0a6a1f1dSLionel Sambuc// The LLVM Compiler Infrastructure 4*0a6a1f1dSLionel Sambuc// 5*0a6a1f1dSLionel Sambuc// This file is dual licensed under the MIT and the University of Illinois Open 6*0a6a1f1dSLionel Sambuc// Source Licenses. See LICENSE.TXT for details. 7*0a6a1f1dSLionel Sambuc// 8*0a6a1f1dSLionel Sambuc//===----------------------------------------------------------------------===// 9*0a6a1f1dSLionel Sambuc 10*0a6a1f1dSLionel Sambuc#include "../assembly.h" 11*0a6a1f1dSLionel Sambuc 12*0a6a1f1dSLionel Sambuc// 13*0a6a1f1dSLionel Sambuc// extern float __floatunssisfvfp(unsigned int a); 14*0a6a1f1dSLionel Sambuc// 15*0a6a1f1dSLionel Sambuc// Converts single precision float to a 32-bit int rounding towards zero. 16*0a6a1f1dSLionel Sambuc// Uses Darwin calling convention where a single precision result is 17*0a6a1f1dSLionel Sambuc// return in a GPR.. 18*0a6a1f1dSLionel Sambuc// 19*0a6a1f1dSLionel Sambuc .syntax unified 20*0a6a1f1dSLionel Sambuc .p2align 2 21*0a6a1f1dSLionel SambucDEFINE_COMPILERRT_FUNCTION(__floatunssisfvfp) 22*0a6a1f1dSLionel Sambuc vmov s15, r0 // move int to float register s15 23*0a6a1f1dSLionel Sambuc vcvt.f32.u32 s15, s15 // convert 32-bit int in s15 to float in s15 24*0a6a1f1dSLionel Sambuc vmov r0, s15 // move s15 to result register 25*0a6a1f1dSLionel Sambuc bx lr 26*0a6a1f1dSLionel SambucEND_COMPILERRT_FUNCTION(__floatunssisfvfp) 27