57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
//===-- negvsi2_test.c - Test __negvsi2 -----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file tests __negvsi2 for the compiler_rt library.
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//
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//===----------------------------------------------------------------------===//
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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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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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