1214152Sed/* ===-- cmpdi2.c - Implement __cmpdi2 -------------------------------------=== 2214152Sed * 3214152Sed * The LLVM Compiler Infrastructure 4214152Sed * 5222656Sed * This file is dual licensed under the MIT and the University of Illinois Open 6222656Sed * Source Licenses. See LICENSE.TXT for details. 7214152Sed * 8214152Sed * ===----------------------------------------------------------------------=== 9222656Sed * 10214152Sed * This file implements __cmpdi2 for the compiler_rt library. 11214152Sed * 12214152Sed * ===----------------------------------------------------------------------=== 13214152Sed */ 14214152Sed 15214152Sed#include "int_lib.h" 16214152Sed 17222656Sed/* Returns: if (a < b) returns 0 18214152Sed* if (a == b) returns 1 19214152Sed* if (a > b) returns 2 20214152Sed*/ 21214152Sed 22222656SedCOMPILER_RT_ABI si_int 23214152Sed__cmpdi2(di_int a, di_int b) 24214152Sed{ 25214152Sed dwords x; 26214152Sed x.all = a; 27214152Sed dwords y; 28214152Sed y.all = b; 29214152Sed if (x.s.high < y.s.high) 30214152Sed return 0; 31214152Sed if (x.s.high > y.s.high) 32214152Sed return 2; 33214152Sed if (x.s.low < y.s.low) 34214152Sed return 0; 35214152Sed if (x.s.low > y.s.low) 36214152Sed return 2; 37214152Sed return 1; 38214152Sed} 39245628Sandrew 40245628Sandrew#ifdef __ARM_EABI__ 41245628Sandrew/* Returns: if (a < b) returns -1 42245628Sandrew* if (a == b) returns 0 43245628Sandrew* if (a > b) returns 1 44245628Sandrew*/ 45245628SandrewCOMPILER_RT_ABI si_int 46245628Sandrew__aeabi_lcmp(di_int a, di_int b) 47245628Sandrew{ 48245628Sandrew return __cmpdi2(a, b) - 1; 49245628Sandrew} 50245628Sandrew#endif 51245628Sandrew 52