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1//===-- floatunssisfvfp.S - Implement floatunssisfvfp ---------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "../assembly.h"10 11//12// extern float __floatunssisfvfp(unsigned int a);13//14// Converts single precision float to a 32-bit int rounding towards zero.15// Uses Darwin calling convention where a single precision result is16// return in a GPR..17//18 .syntax unified19 .p2align 220DEFINE_COMPILERRT_FUNCTION(__floatunssisfvfp)21#if defined(COMPILER_RT_ARMHF_TARGET)22 vmov s0, r023 vcvt.f32.u32 s0, s024#else25 vmov s15, r0 // move int to float register s1526 vcvt.f32.u32 s15, s15 // convert 32-bit int in s15 to float in s1527 vmov r0, s15 // move s15 to result register28#endif29 bx lr30END_COMPILERRT_FUNCTION(__floatunssisfvfp)31 32NO_EXEC_STACK_DIRECTIVE33 34