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

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 // REQUIRES: librt_has_negti2
   3 // REQUIRES: int128
   4 //===-- negti2_test.c - Test __negti2 -------------------------------------===//
   5 //
   6 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   7 // See https://llvm.org/LICENSE.txt for license information.
   8 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   9 //
  10 //===----------------------------------------------------------------------===//
  11 //
  12 // This file tests __negti2 for the compiler_rt library.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 #include "int_lib.h"
  17 #include <stdio.h>
  18
  19 #ifdef CRT_HAS_128BIT
  20
  21 // Returns: -a
  22
  23 COMPILER_RT_ABI ti_int __negti2(ti_int a);
  24
  25 int test__negti2(ti_int a, ti_int expected)
  26 {
  27     ti_int x = __negti2(a);
  28     if (x != expected)
  29     {
  30         twords at;
  31         at.all = a;
  32         twords xt;
  33         xt.all = x;
  34         twords expectedt;
  35         expectedt.all = expected;
  36         printf("error in __negti2: -0x%.16llX%.16llX = 0x%.16llX%.16llX, "
  37                "expected 0x%.16llX%.16llX\n",
  38                at.s.high, at.s.low, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
  39     }
  40     return x != expected;
  41 }
  42
  43 char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
  44
  45 #endif
  46
  47 int main()
  48 {
  49 #ifdef CRT_HAS_128BIT
  50     if (test__negti2(0, 0))
  51         return 1;
  52     if (test__negti2(1, -1))
  53         return 1;
  54     if (test__negti2(-1, 1))
  55         return 1;
  56     if (test__negti2(2, -2))
  57         return 1;
  58     if (test__negti2(-2, 2))
  59         return 1;
  60     if (test__negti2(3, -3))
  61         return 1;
  62     if (test__negti2(-3, 3))
  63         return 1;
  64     if (test__negti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL),
  65                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL)))
  66         return 1;
  67     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL),
  68                      make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL)))
  69         return 1;
  70     if (test__negti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL),
  71                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL)))
  72         return 1;
  73     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL),
  74                      make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL)))
  75         return 1;
  76     if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL),
  77                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
  78         return 1;
  79     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL),
  80                      make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
  81         return 1;
  82     if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL),
  83                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
  84         return 1;
  85     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL),
  86                      make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
  87         return 1;
  88     if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000300000000LL),
  89                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL)))
  90         return 1;
  91     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL),
  92                      make_ti(0x0000000000000000LL, 0x0000000300000000LL)))
  93         return 1;
  94     if (test__negti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL),
  95                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
  96         return 1;
  97     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL),
  98                      make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
  99         return 1;
 100     if (test__negti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL),
 101                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
 102         return 1;
 103     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL),
 104                      make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
 105         return 1;
 106     if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL),
 107                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
 108         return 1;
 109     if (test__negti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL),
 110                      make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
 111         return 1;
 112     if (test__negti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL),
 113                      make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
 114         return 1;
 115     if (test__negti2(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
 116                      make_ti(0x8000000000000000LL, 0x0000000000000000LL)))
 117         return 1;
 118     if (test__negti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL),
 119                      make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
 120         return 1;
 121     if (test__negti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
 122                      make_ti(0x8000000000000000LL, 0x0000000000000001LL)))
 123         return 1;
 124
 125 #else
 126     printf("skipped\n");
 127 #endif
 128    return 0;
 129 }