forked from OSchip/llvm-project
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
//===-- udivdi3_test.c - Test __udivdi3 -----------------------------------===//
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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 __udivdi3 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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COMPILER_RT_ABI du_int __udivdi3(du_int a, du_int b);
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int test__udivdi3(du_int a, du_int b, du_int expected_q)
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{
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du_int q = __udivdi3(a, b);
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if (q != expected_q)
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printf("error in __udivdi3: %lld / %lld = %lld, expected %lld\n",
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a, b, q, expected_q);
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return q != expected_q;
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}
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int main()
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{
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if (test__udivdi3(0, 1, 0))
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return 1;
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if (test__udivdi3(2, 1, 2))
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return 1;
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if (test__udivdi3(0x8000000000000000uLL, 1, 0x8000000000000000uLL))
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return 1;
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if (test__udivdi3(0x8000000000000000uLL, 2, 0x4000000000000000uLL))
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return 1;
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if (test__udivdi3(0xFFFFFFFFFFFFFFFFuLL, 2, 0x7FFFFFFFFFFFFFFFuLL))
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return 1;
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return 0;
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}
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