| //===-- cmpti2.c - Implement __cmpti2 -------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements __cmpti2 for the compiler_rt library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "int_lib.h" |
| |
| #ifdef CRT_HAS_128BIT |
| |
| // Returns: if (a < b) returns 0 |
| // if (a == b) returns 1 |
| // if (a > b) returns 2 |
| |
| COMPILER_RT_ABI si_int __cmpti2(ti_int a, ti_int b) { |
| twords x; |
| x.all = a; |
| twords y; |
| y.all = b; |
| if (x.s.high < y.s.high) |
| return 0; |
| if (x.s.high > y.s.high) |
| return 2; |
| if (x.s.low < y.s.low) |
| return 0; |
| if (x.s.low > y.s.low) |
| return 2; |
| return 1; |
| } |
| |
| #endif // CRT_HAS_128BIT |
