57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
// RUN: %clang_builtins %s %librt -o %t && %run %t
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// REQUIRES: librt_has_umodti3
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// REQUIRES: int128
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#include "int_lib.h"
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#include <stdio.h>
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#ifdef CRT_HAS_128BIT
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// Returns: a % b
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COMPILER_RT_ABI tu_int __umodti3(tu_int a, tu_int b);
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int test__umodti3(tu_int a, tu_int b, tu_int expected_r)
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{
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tu_int r = __umodti3(a, b);
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if (r != expected_r)
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{
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utwords at;
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at.all = a;
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utwords bt;
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bt.all = b;
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utwords rt;
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rt.all = r;
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utwords expected_rt;
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expected_rt.all = expected_r;
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printf("error in __umodti3: 0x%llX%.16llX %% 0x%llX%.16llX = "
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"0x%llX%.16llX, expected 0x%llX%.16llX\n",
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at.s.high, at.s.low, bt.s.high, bt.s.low, rt.s.high, rt.s.low,
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expected_rt.s.high, expected_rt.s.low);
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}
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return r != expected_r;
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}
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#endif
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int main()
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{
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#ifdef CRT_HAS_128BIT
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if (test__umodti3(0, 1, 0))
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return 1;
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if (test__umodti3(2, 1, 0))
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return 1;
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if (test__umodti3(make_tu(0x8000000000000000uLL, 0), 1, 0x0uLL))
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return 1;
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if (test__umodti3(make_tu(0x8000000000000000uLL, 0), 2, 0x0uLL))
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return 1;
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if (test__umodti3(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL),
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2, 0x1uLL))
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return 1;
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#else
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printf("skipped\n");
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#endif
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return 0;
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}
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