src/libcompiler_builtins/compiler-rt/test/builtins/Unit/ucmpti2_test.c

   1 //===-- ucmpti2_test.c - Test __ucmpti2 -----------------------------------===//
   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 tests __ucmpti2 for the compiler_rt library.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "int_lib.h"
  15 #include <stdio.h>
  16
  17 #ifdef CRT_HAS_128BIT
  18
  19 // Returns:  if (a <  b) returns 0
  20 //           if (a == b) returns 1
  21 //           if (a >  b) returns 2
  22
  23 COMPILER_RT_ABI si_int __ucmpti2(tu_int a, tu_int b);
  24
  25 int test__ucmpti2(tu_int a, tu_int b, si_int expected)
  26 {
  27     si_int x = __ucmpti2(a, b);
  28     if (x != expected)
  29     {
  30         utwords at;
  31         at.all = a;
  32         utwords bt;
  33         bt.all = b;
  34         printf("error in __ucmpti2(0x%.16llX%.16llX, 0x%.16llX%.16llX) = %d, "
  35                "expected %d\n",
  36                at.s.high, at.s.low, bt.s.high, bt.s.low, x, expected);
  37     }
  38     return x != expected;
  39 }
  40
  41 #endif
  42
  43 int main()
  44 {
  45 #ifdef CRT_HAS_128BIT
  46     if (test__ucmpti2(0, 0, 1))
  47         return 1;
  48     if (test__ucmpti2(1, 1, 1))
  49         return 1;
  50     if (test__ucmpti2(2, 2, 1))
  51         return 1;
  52     if (test__ucmpti2(0x7FFFFFFF, 0x7FFFFFFF, 1))
  53         return 1;
  54     if (test__ucmpti2(0x80000000, 0x80000000, 1))
  55         return 1;
  56     if (test__ucmpti2(0x80000001, 0x80000001, 1))
  57         return 1;
  58     if (test__ucmpti2(0xFFFFFFFF, 0xFFFFFFFF, 1))
  59         return 1;
  60     if (test__ucmpti2(0x000000010000000LL, 0x000000010000000LL, 1))
  61         return 1;
  62     if (test__ucmpti2(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL, 1))
  63         return 1;
  64
  65     if (test__ucmpti2(0x0000000200000002LL, 0x0000000300000001LL, 0))
  66         return 1;
  67     if (test__ucmpti2(0x0000000200000002LL, 0x0000000300000002LL, 0))
  68         return 1;
  69     if (test__ucmpti2(0x0000000200000002LL, 0x0000000300000003LL, 0))
  70         return 1;
  71
  72     if (test__ucmpti2(0x0000000200000002LL, 0x0000000100000001LL, 2))
  73         return 1;
  74     if (test__ucmpti2(0x0000000200000002LL, 0x0000000100000002LL, 2))
  75         return 1;
  76     if (test__ucmpti2(0x0000000200000002LL, 0x0000000100000003LL, 2))
  77         return 1;
  78
  79     if (test__ucmpti2(0x0000000200000002LL, 0x0000000200000001LL, 2))
  80         return 1;
  81     if (test__ucmpti2(0x0000000200000002LL, 0x0000000200000002LL, 1))
  82         return 1;
  83     if (test__ucmpti2(0x0000000200000002LL, 0x0000000200000003LL, 0))
  84         return 1;
  85
  86     if (test__ucmpti2(make_tu(0x0000000000000001uLL, 0x0000000000000000uLL),
  87                       make_tu(0x0000000000000000uLL, 0xFFFFFFFFFFFFFFFFuLL), 2))
  88         return 1;
  89     if (test__ucmpti2(make_tu(0x0000000000000001uLL, 0x0000000000000000uLL),
  90                       make_tu(0x0000000000000001uLL, 0x0000000000000000uLL), 1))
  91         return 1;
  92     if (test__ucmpti2(make_tu(0x0000000000000001uLL, 0x0000000000000000uLL),
  93                       make_tu(0x0000000000000001uLL, 0x0000000000000001uLL), 0))
  94         return 1;
  95
  96     if (test__ucmpti2(make_tu(0x8000000000000000uLL, 0x0000000000000000uLL),
  97                       make_tu(0x7FFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL), 2))
  98         return 1;
  99     if (test__ucmpti2(make_tu(0x8000000000000000uLL, 0x0000000000000000uLL),
 100                       make_tu(0x8000000000000000uLL, 0x0000000000000000uLL), 1))
 101         return 1;
 102     if (test__ucmpti2(make_tu(0x8000000000000000uLL, 0x0000000000000000uLL),
 103                       make_tu(0x8000000000000000uLL, 0x0000000000000001uLL), 0))
 104         return 1;
 105
 106     if (test__ucmpti2(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL),
 107                       make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFEuLL), 2))
 108         return 1;
 109     if (test__ucmpti2(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL),
 110                       make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL), 1))
 111         return 1;
 112 #else
 113     printf("skipped\n");
 114 #endif
 115    return 0;
 116 }