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47 lines
1021 B
47 lines
1021 B
// RUN: %clang_builtins %s %librt -o %t && %run %t
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// REQUIRES: librt_has_negvsi2
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#include "int_lib.h"
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#include <stdio.h>
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// Returns: -a
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// Effects: aborts if -a overflows
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COMPILER_RT_ABI si_int __negvsi2(si_int a);
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int test__negvsi2(si_int a)
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{
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si_int x = __negvsi2(a);
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si_int expected = -a;
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if (x != expected)
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printf("error in __negvsi2(0x%X) = %d, expected %d\n", a, x, expected);
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return x != expected;
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}
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int main()
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{
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// if (test__negvsi2(0x80000000)) // should abort
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// return 1;
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if (test__negvsi2(0x00000000))
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return 1;
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if (test__negvsi2(0x00000001))
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return 1;
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if (test__negvsi2(0x00000002))
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return 1;
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if (test__negvsi2(0x7FFFFFFE))
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return 1;
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if (test__negvsi2(0x7FFFFFFF))
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return 1;
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if (test__negvsi2(0x80000001))
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return 1;
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if (test__negvsi2(0x80000002))
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return 1;
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if (test__negvsi2(0xFFFFFFFE))
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return 1;
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if (test__negvsi2(0xFFFFFFFF))
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return 1;
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return 0;
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}
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