forked from OSchip/llvm-project
117 lines
3.9 KiB
C
117 lines
3.9 KiB
C
//===-- ucmpti2_test.c - Test __ucmpti2 -----------------------------------===//
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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 __ucmpti2 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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#ifdef CRT_HAS_128BIT
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// Returns: if (a < b) returns 0
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// if (a == b) returns 1
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// if (a > b) returns 2
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COMPILER_RT_ABI si_int __ucmpti2(tu_int a, tu_int b);
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int test__ucmpti2(tu_int a, tu_int b, si_int expected)
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{
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si_int x = __ucmpti2(a, b);
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if (x != expected)
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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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printf("error in __ucmpti2(0x%.16llX%.16llX, 0x%.16llX%.16llX) = %d, "
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"expected %d\n",
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at.s.high, at.s.low, bt.s.high, bt.s.low, x, expected);
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}
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return x != expected;
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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__ucmpti2(0, 0, 1))
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return 1;
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if (test__ucmpti2(1, 1, 1))
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return 1;
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if (test__ucmpti2(2, 2, 1))
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return 1;
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if (test__ucmpti2(0x7FFFFFFF, 0x7FFFFFFF, 1))
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return 1;
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if (test__ucmpti2(0x80000000, 0x80000000, 1))
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return 1;
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if (test__ucmpti2(0x80000001, 0x80000001, 1))
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return 1;
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if (test__ucmpti2(0xFFFFFFFF, 0xFFFFFFFF, 1))
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return 1;
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if (test__ucmpti2(0x000000010000000LL, 0x000000010000000LL, 1))
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return 1;
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if (test__ucmpti2(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL, 1))
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return 1;
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if (test__ucmpti2(0x0000000200000002LL, 0x0000000300000001LL, 0))
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return 1;
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if (test__ucmpti2(0x0000000200000002LL, 0x0000000300000002LL, 0))
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return 1;
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if (test__ucmpti2(0x0000000200000002LL, 0x0000000300000003LL, 0))
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return 1;
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if (test__ucmpti2(0x0000000200000002LL, 0x0000000100000001LL, 2))
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return 1;
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if (test__ucmpti2(0x0000000200000002LL, 0x0000000100000002LL, 2))
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return 1;
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if (test__ucmpti2(0x0000000200000002LL, 0x0000000100000003LL, 2))
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return 1;
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if (test__ucmpti2(0x0000000200000002LL, 0x0000000200000001LL, 2))
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return 1;
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if (test__ucmpti2(0x0000000200000002LL, 0x0000000200000002LL, 1))
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return 1;
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if (test__ucmpti2(0x0000000200000002LL, 0x0000000200000003LL, 0))
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return 1;
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if (test__ucmpti2(make_tu(0x0000000000000001uLL, 0x0000000000000000uLL),
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make_tu(0x0000000000000000uLL, 0xFFFFFFFFFFFFFFFFuLL), 2))
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return 1;
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if (test__ucmpti2(make_tu(0x0000000000000001uLL, 0x0000000000000000uLL),
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make_tu(0x0000000000000001uLL, 0x0000000000000000uLL), 1))
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return 1;
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if (test__ucmpti2(make_tu(0x0000000000000001uLL, 0x0000000000000000uLL),
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make_tu(0x0000000000000001uLL, 0x0000000000000001uLL), 0))
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return 1;
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if (test__ucmpti2(make_tu(0x8000000000000000uLL, 0x0000000000000000uLL),
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make_tu(0x7FFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL), 2))
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return 1;
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if (test__ucmpti2(make_tu(0x8000000000000000uLL, 0x0000000000000000uLL),
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make_tu(0x8000000000000000uLL, 0x0000000000000000uLL), 1))
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return 1;
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if (test__ucmpti2(make_tu(0x8000000000000000uLL, 0x0000000000000000uLL),
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make_tu(0x8000000000000000uLL, 0x0000000000000001uLL), 0))
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return 1;
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if (test__ucmpti2(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL),
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make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFEuLL), 2))
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return 1;
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if (test__ucmpti2(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL),
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make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL), 1))
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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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