1//===-- ucmpti2.c - Implement __ucmpti2 -----------------------------------===// 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-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This file implements __ucmpti2 for the compiler_rt library. 10// 11//===----------------------------------------------------------------------===// 12 13#include "int_lib.h" 14 15#ifdef CRT_HAS_128BIT 16 17// Returns: if (a < b) returns 0 18// if (a == b) returns 1 19// if (a > b) returns 2 20 21COMPILER_RT_ABI si_int __ucmpti2(tu_int a, tu_int b) { 22 utwords x; 23 x.all = a; 24 utwords y; 25 y.all = b; 26 if (x.s.high < y.s.high) 27 return 0; 28 if (x.s.high > y.s.high) 29 return 2; 30 if (x.s.low < y.s.low) 31 return 0; 32 if (x.s.low > y.s.low) 33 return 2; 34 return 1; 35} 36 37#endif // CRT_HAS_128BIT 38