forked from OSchip/llvm-project
74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
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//===-- divmodsi4_test.c - Test __divmodsi4 -------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file tests __divmodsi4 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 / b
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extern si_int __divmodsi4(si_int a, si_int b, si_int* rem);
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int test__divmodsi4(si_int a, si_int b,
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si_int expected_result, si_int expected_rem)
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{
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si_int rem;
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si_int result = __divmodsi4(a, b, &rem);
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if (result != expected_result) {
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printf("error in __divmodsi4: %d / %d = %d, expected %d\n",
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a, b, result, expected_result);
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return 1;
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}
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if (rem != expected_rem) {
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printf("error in __divmodsi4: %d mod %d = %d, expected %d\n",
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a, b, rem, expected_rem);
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return 1;
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}
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return 0;
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}
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int main()
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{
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if (test__divmodsi4(0, 1, 0, 0))
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return 1;
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if (test__divmodsi4(0, -1, 0, 0))
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return 1;
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if (test__divmodsi4(2, 1, 2, 0))
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return 1;
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if (test__divmodsi4(2, -1, -2, 0))
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return 1;
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if (test__divmodsi4(-2, 1, -2, 0))
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return 1;
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if (test__divmodsi4(-2, -1, 2, 0))
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return 1;
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if (test__divmodsi4(7, 5, 1, 2))
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return 1;
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if (test__divmodsi4(-7, 5, -1, -2))
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return 1;
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if (test__divmodsi4(19, 5, 3, 4))
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return 1;
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if (test__divmodsi4(19, -5, -3, 4))
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return 1;
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if (test__divmodsi4(0x80000000, 8, 0xf0000000, 0))
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return 1;
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if (test__divmodsi4(0x80000007, 8, 0xf0000001, -1))
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return 1;
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return 0;
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}
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