compiler-rt/test/builtins/Unit/negvti2_test.c

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 // REQUIRES: librt_has_negvti2
   3 // REQUIRES: int128
   4
   5 #include "int_lib.h"
   6 #include <stdio.h>
   7
   8 #ifdef CRT_HAS_128BIT
   9
  10 // Returns: -a
  11
  12 // Effects: aborts if -a overflows
  13
  14 COMPILER_RT_ABI ti_int __negvti2(ti_int a);
  15 COMPILER_RT_ABI ti_int __negti2(ti_int a);
  16
  17 int test__negvti2(ti_int a)
  18 {
  19     ti_int x = __negvti2(a);
  20     ti_int expected = __negti2(a);
  21     if (x != expected)
  22     {
  23         twords at;
  24         at.all = a;
  25         twords xt;
  26         xt.all = x;
  27         twords expectedt;
  28         expectedt.all = expected;
  29         printf("error in __negvti2(0x%.16llX%.16llX) = 0x%.16llX%.16llX, "
  30                "expected 0x%.16llX%.16llX\n",
  31                at.s.high, at.s.low, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
  32     }
  33     return x != expected;
  34 }
  35
  36 #endif
  37
  38 int main()
  39 {
  40 #ifdef CRT_HAS_128BIT
  41     if (test__negvti2(0))
  42         return 1;
  43     if (test__negvti2(1))
  44         return 1;
  45     if (test__negvti2(-1))
  46         return 1;
  47     if (test__negvti2(2))
  48         return 1;
  49     if (test__negvti2(-2))
  50         return 1;
  51     if (test__negvti2(3))
  52         return 1;
  53     if (test__negvti2(-3))
  54         return 1;
  55     if (test__negvti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFELL)))
  56         return 1;
  57     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000002LL)))
  58         return 1;
  59     if (test__negvti2(make_ti(0x0000000000000000LL, 0x00000000FFFFFFFFLL)))
  60         return 1;
  61     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000001LL)))
  62         return 1;
  63     if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
  64         return 1;
  65     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
  66         return 1;
  67     if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
  68         return 1;
  69     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
  70         return 1;
  71     if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000300000000LL)))
  72         return 1;
  73     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFD00000000LL)))
  74         return 1;
  75     if (test__negvti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
  76         return 1;
  77     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL)))
  78         return 1;
  79     if (test__negvti2(make_ti(0x0000000000000000LL, 0x7FFFFFFFFFFFFFFFLL)))
  80         return 1;
  81     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFE00000000LL)))
  82         return 1;
  83     if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000200000000LL)))
  84         return 1;
  85     if (test__negvti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFF00000000LL)))
  86         return 1;
  87     if (test__negvti2(make_ti(0x0000000000000000LL, 0x0000000100000000LL)))
  88         return 1;
  89 //     if (test__negvti2(make_ti(0x8000000000000000LL, 0x0000000000000000LL))) // abort
  90 //         return 1;
  91     if (test__negvti2(make_ti(0x8000000000000000LL, 0x0000000000000001LL)))
  92         return 1;
  93     if (test__negvti2(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
  94         return 1;
  95
  96 #else
  97     printf("skipped\n");
  98 #endif
  99    return 0;
 100 }