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1//===-- fixunssfsivfp.S - Implement fixunssfsivfp -------------------------===//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 unsigned int __fixunssfsivfp(float a);13//14// Converts single precision float to a 32-bit unsigned int rounding towards15// zero. All negative values become zero.16// Uses Darwin calling convention where a single precision parameter is17// passed in a GPR..18//19 .syntax unified20 .p2align 221DEFINE_COMPILERRT_FUNCTION(__fixunssfsivfp)22#if defined(COMPILER_RT_ARMHF_TARGET)23 vcvt.u32.f32 s0, s024 vmov r0, s025#else26 vmov s15, r0 // load float register from R027 vcvt.u32.f32 s15, s15 // convert single to 32-bit unsigned into s1528 vmov r0, s15 // move s15 to result register29#endif30 bx lr31END_COMPILERRT_FUNCTION(__fixunssfsivfp)32 33NO_EXEC_STACK_DIRECTIVE34 35