src/libcompiler_builtins/compiler-rt/test/builtins/Unit/negti2_test.c

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 //===-- negti2_test.c - Test __negti2 -------------------------------------===//
   3 //
   4 //                     The LLVM Compiler Infrastructure
   5 //
   6 // This file is dual licensed under the MIT and the University of Illinois Open
   7 // Source Licenses. See LICENSE.TXT for details.
   8 //
   9 //===----------------------------------------------------------------------===//
  10 //
  11 // This file tests __negti2 for the compiler_rt library.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "int_lib.h"
  16 #include <stdio.h>
  17
  18 #ifdef CRT_HAS_128BIT
  19
  20 // Returns: -a
  21
  22 COMPILER_RT_ABI ti_int __negti2(ti_int a);
  23
  24 int test__negti2(ti_int a, ti_int expected)
  25 {
  26     ti_int x = __negti2(a);
  27     if (x != expected)
  28     {
  29         twords at;
  30         at.all = a;
  31         twords xt;
  32         xt.all = x;
  33         twords expectedt;
  34         expectedt.all = expected;
  35         printf("error in __negti2: -0x%.16llX%.16llX = 0x%.16llX%.16llX, "
  36                "expected 0x%.16llX%.16llX\n",
  37                at.s.high, at.s.low, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
  38     }
  39     return x != expected;
  40 }
  41
  42 char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
  43
  44 #endif
  45
  46 int main()
  47 {
  48 #ifdef CRT_HAS_128BIT
  49     if (test__negti2(0, 0))
  50         return 1;
  51     if (test__negti2(1, -1))
  52         return 1;
  53     if (test__negti2(-1, 1))
  54         return 1;
  55     if (test__negti2(2, -2))
  56         return 1;
  57     if (test__negti2(-2, 2))
  58         return 1;
  59     if (test__negti2(3, -3))
  60         return 1;
  61     if (test__negti2(-3, 3))
  62         return 1;
  63     if (test__negti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL),
  64                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL)))
  65         return 1;
  66     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL),
  67                      make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL)))
  68         return 1;
  69     if (test__negti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL),
  70                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL)))
  71         return 1;
  72     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL),
  73                      make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL)))
  74         return 1;
  75     if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL),
  76                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
  77         return 1;
  78     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL),
  79                      make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
  80         return 1;
  81     if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL),
  82                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
  83         return 1;
  84     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL),
  85                      make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
  86         return 1;
  87     if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000300000000LL),
  88                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL)))
  89         return 1;
  90     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL),
  91                      make_ti(0x0000000000000000LL, 0x0000000300000000LL)))
  92         return 1;
  93     if (test__negti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL),
  94                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
  95         return 1;
  96     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL),
  97                      make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
  98         return 1;
  99     if (test__negti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL),
 100                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
 101         return 1;
 102     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL),
 103                      make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
 104         return 1;
 105     if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL),
 106                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
 107         return 1;
 108     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL),
 109                      make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
 110         return 1;
 111     if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL),
 112                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
 113         return 1;
 114     if (test__negti2(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
 115                      make_ti(0x8000000000000000LL, 0x0000000000000000LL)))
 116         return 1;
 117     if (test__negti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL),
 118                      make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
 119         return 1;
 120     if (test__negti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
 121                      make_ti(0x8000000000000000LL, 0x0000000000000001LL)))
 122         return 1;
 123
 124 #else
 125     printf("skipped\n");
 126 #endif
 127    return 0;
 128 }