| Daniel Dunbar | fd08999 | 2009-06-26 16:47:03 +0000 | [diff] [blame^] | 1 | //===-- ucmpti2.c - Implement __ucmpti2 -----------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file implements __ucmpti2 for the compiler_rt library. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #if __x86_64 |
| 15 | |
| 16 | #include "int_lib.h" |
| 17 | |
| 18 | // Returns: if (a < b) returns 0 |
| 19 | // if (a == b) returns 1 |
| 20 | // if (a > b) returns 2 |
| 21 | |
| 22 | si_int |
| 23 | __ucmpti2(tu_int a, tu_int b) |
| 24 | { |
| 25 | utwords x; |
| 26 | x.all = a; |
| 27 | utwords y; |
| 28 | y.all = b; |
| 29 | if (x.high < y.high) |
| 30 | return 0; |
| 31 | if (x.high > y.high) |
| 32 | return 2; |
| 33 | if (x.low < y.low) |
| 34 | return 0; |
| 35 | if (x.low > y.low) |
| 36 | return 2; |
| 37 | return 1; |
| 38 | } |
| 39 | |
| 40 | #endif |