forked from OSchip/llvm-project
79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
//===-- divti3_test.c - Test __divti3 -------------------------------------===//
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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 __divti3 for the compiler_rt library.
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//
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//===----------------------------------------------------------------------===//
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#if __x86_64
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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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ti_int __divti3(ti_int a, ti_int b);
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int test__divti3(ti_int a, ti_int b, ti_int expected)
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{
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ti_int x = __divti3(a, b);
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if (x != expected)
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{
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twords at;
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at.all = a;
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twords bt;
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bt.all = b;
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twords xt;
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xt.all = x;
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twords expectedt;
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expectedt.all = expected;
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printf("error in __divti3: 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, xt.s.high, xt.s.low,
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expectedt.s.high, expectedt.s.low);
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}
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return x != expected;
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}
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char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
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#endif
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int main()
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{
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#if __x86_64
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if (test__divti3(0, 1, 0))
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return 1;
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if (test__divti3(0, -1, 0))
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return 1;
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if (test__divti3(2, 1, 2))
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return 1;
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if (test__divti3(2, -1, -2))
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return 1;
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if (test__divti3(-2, 1, -2))
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return 1;
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if (test__divti3(-2, -1, 2))
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return 1;
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if (test__divti3(make_ti(0x8000000000000000LL, 0), 1, make_ti(0x8000000000000000LL, 0)))
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return 1;
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if (test__divti3(make_ti(0x8000000000000000LL, 0), -1, make_ti(0x8000000000000000LL, 0)))
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return 1;
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if (test__divti3(make_ti(0x8000000000000000LL, 0), -2, make_ti(0x4000000000000000LL, 0)))
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return 1;
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if (test__divti3(make_ti(0x8000000000000000LL, 0), 2, make_ti(0xC000000000000000LL, 0)))
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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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