forked from OSchip/llvm-project
85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
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//===-- negdi2_test.c - Test __negdi2 -------------------------------------===//
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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 __negdi2 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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di_int __negdi2(di_int a);
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int test__negdi2(di_int a, di_int expected)
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{
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di_int x = __negdi2(a);
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if (x != expected)
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printf("error in __negdi2: -0x%llX = 0x%llX, expected 0x%llX\n",
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a, x, expected);
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return x != expected;
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}
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char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
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int main()
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{
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if (test__negdi2(0, 0))
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return 1;
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if (test__negdi2(1, -1))
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return 1;
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if (test__negdi2(-1, 1))
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return 1;
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if (test__negdi2(2, -2))
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return 1;
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if (test__negdi2(-2, 2))
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return 1;
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if (test__negdi2(3, -3))
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return 1;
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if (test__negdi2(-3, 3))
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return 1;
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if (test__negdi2(0x00000000FFFFFFFELL, 0xFFFFFFFF00000002LL))
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return 1;
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if (test__negdi2(0xFFFFFFFF00000002LL, 0x00000000FFFFFFFELL))
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return 1;
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if (test__negdi2(0x00000000FFFFFFFFLL, 0xFFFFFFFF00000001LL))
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return 1;
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if (test__negdi2(0xFFFFFFFF00000001LL, 0x00000000FFFFFFFFLL))
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return 1;
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if (test__negdi2(0x0000000100000000LL, 0xFFFFFFFF00000000LL))
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return 1;
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if (test__negdi2(0xFFFFFFFF00000000LL, 0x0000000100000000LL))
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return 1;
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if (test__negdi2(0x0000000200000000LL, 0xFFFFFFFE00000000LL))
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return 1;
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if (test__negdi2(0xFFFFFFFE00000000LL, 0x0000000200000000LL))
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return 1;
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if (test__negdi2(0x0000000300000000LL, 0xFFFFFFFD00000000LL))
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return 1;
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if (test__negdi2(0xFFFFFFFD00000000LL, 0x0000000300000000LL))
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return 1;
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if (test__negdi2(0x8000000000000000LL, 0x8000000000000000LL))
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return 1;
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if (test__negdi2(0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL))
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return 1;
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if (test__negdi2(0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL))
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return 1;
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if (test__negdi2(0xFFFFFFFE00000000LL, 0x0000000200000000LL))
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return 1;
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if (test__negdi2(0x0000000200000000LL, 0xFFFFFFFE00000000LL))
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return 1;
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if (test__negdi2(0xFFFFFFFF00000000LL, 0x0000000100000000LL))
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return 1;
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if (test__negdi2(0x0000000100000000LL, 0xFFFFFFFF00000000LL))
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return 1;
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return 0;
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}
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