1 /* ===-- cmpti2.c - Implement __cmpti2 -------------------------------------=== 2 * 3 * The LLVM Compiler Infrastructure 4 * 5 * This file is dual licensed under the MIT and the University of Illinois Open 6 * Source Licenses. See LICENSE.TXT for details. 7 * 8 * ===----------------------------------------------------------------------=== 9 * 10 * This file implements __cmpti2 for the compiler_rt library. 11 * 12 * ===----------------------------------------------------------------------=== 13 */ 14 15 #include "int_lib.h" 16 17 #if __x86_64 18 19 /* Returns: if (a < b) returns 0 20 * if (a == b) returns 1 21 * if (a > b) returns 2 22 */ 23 24 si_int __cmpti2(ti_int a,ti_int b)25__cmpti2(ti_int a, ti_int b) 26 { 27 twords x; 28 x.all = a; 29 twords y; 30 y.all = b; 31 if (x.s.high < y.s.high) 32 return 0; 33 if (x.s.high > y.s.high) 34 return 2; 35 if (x.s.low < y.s.low) 36 return 0; 37 if (x.s.low > y.s.low) 38 return 2; 39 return 1; 40 } 41 42 #endif 43