Home | History | Annotate | Download | only in lib 
      1 /* ===-- ucmpdi2.c - Implement __ucmpdi2 -----------------------------------===
      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 __ucmpdi2 for the compiler_rt library.
     11  *
     12  * ===----------------------------------------------------------------------===
     13  */
     14 
     15 #include "int_lib.h"
     16 
     17 /* Returns:  if (a <  b) returns 0
     18  *           if (a == b) returns 1
     19  *           if (a >  b) returns 2
     20  */
     21 
     22 si_int
     23 __ucmpdi2(du_int a, du_int b)
     24 {
     25     udwords x;
     26     x.all = a;
     27     udwords y;
     28     y.all = b;
     29     if (x.s.high < y.s.high)
     30         return 0;
     31     if (x.s.high > y.s.high)
     32         return 2;
     33     if (x.s.low < y.s.low)
     34         return 0;
     35     if (x.s.low > y.s.low)
     36         return 2;
     37     return 1;
     38 }
     39