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      1      1.1  joerg /* ===-- cmpti2.c - Implement __cmpti2 -------------------------------------===
      2      1.1  joerg  *
      3      1.1  joerg  *                     The LLVM Compiler Infrastructure
      4      1.1  joerg  *
      5      1.1  joerg  * This file is dual licensed under the MIT and the University of Illinois Open
      6      1.1  joerg  * Source Licenses. See LICENSE.TXT for details.
      7      1.1  joerg  *
      8      1.1  joerg  * ===----------------------------------------------------------------------===
      9      1.1  joerg  *
     10      1.1  joerg  * This file implements __cmpti2 for the compiler_rt library.
     11      1.1  joerg  *
     12      1.1  joerg  * ===----------------------------------------------------------------------===
     13      1.1  joerg  */
     14      1.1  joerg 
     15      1.1  joerg #include "int_lib.h"
     16      1.1  joerg 
     17      1.1  joerg #ifdef CRT_HAS_128BIT
     18      1.1  joerg 
     19      1.1  joerg /* Returns:  if (a <  b) returns 0
     20      1.1  joerg  *           if (a == b) returns 1
     21      1.1  joerg  *           if (a >  b) returns 2
     22      1.1  joerg  */
     23      1.1  joerg 
     24  1.1.1.2  joerg COMPILER_RT_ABI si_int
     25      1.1  joerg __cmpti2(ti_int a, ti_int b)
     26      1.1  joerg {
     27      1.1  joerg     twords x;
     28      1.1  joerg     x.all = a;
     29      1.1  joerg     twords y;
     30      1.1  joerg     y.all = b;
     31      1.1  joerg     if (x.s.high < y.s.high)
     32      1.1  joerg         return 0;
     33      1.1  joerg     if (x.s.high > y.s.high)
     34      1.1  joerg         return 2;
     35      1.1  joerg     if (x.s.low < y.s.low)
     36      1.1  joerg         return 0;
     37      1.1  joerg     if (x.s.low > y.s.low)
     38      1.1  joerg         return 2;
     39      1.1  joerg     return 1;
     40      1.1  joerg }
     41      1.1  joerg 
     42      1.1  joerg #endif /* CRT_HAS_128BIT */
     43