derek.holloway
7502bf64a4
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104 lines
2.8 KiB
C
104 lines
2.8 KiB
C
// RUN: %clang_builtins %s %librt -o %t && %run %t
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// REQUIRES: librt_has_cmpti2
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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: 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 __cmpti2(ti_int a, ti_int b);
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int test__cmpti2(ti_int a, ti_int b, si_int expected)
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{
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si_int x = __cmpti2(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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printf("error in __cmpti2(0x%llX%.16llX, 0x%llX%.16llX) = %d, 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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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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#ifdef CRT_HAS_128BIT
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if (test__cmpti2(0, 0, 1))
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return 1;
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if (test__cmpti2(1, 1, 1))
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return 1;
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if (test__cmpti2(2, 2, 1))
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return 1;
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if (test__cmpti2(0x7FFFFFFF, 0x7FFFFFFF, 1))
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return 1;
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if (test__cmpti2(0x80000000, 0x80000000, 1))
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return 1;
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if (test__cmpti2(0x80000001, 0x80000001, 1))
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return 1;
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if (test__cmpti2(0xFFFFFFFF, 0xFFFFFFFF, 1))
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return 1;
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if (test__cmpti2(0x000000010000000LL, 0x000000010000000LL, 1))
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return 1;
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if (test__cmpti2(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL, 1))
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return 1;
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if (test__cmpti2(0x0000000200000002LL, 0x0000000300000001LL, 0))
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return 1;
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if (test__cmpti2(0x0000000200000002LL, 0x0000000300000002LL, 0))
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return 1;
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if (test__cmpti2(0x0000000200000002LL, 0x0000000300000003LL, 0))
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return 1;
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if (test__cmpti2(0x0000000200000002LL, 0x0000000100000001LL, 2))
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return 1;
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if (test__cmpti2(0x0000000200000002LL, 0x0000000100000002LL, 2))
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return 1;
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if (test__cmpti2(0x0000000200000002LL, 0x0000000100000003LL, 2))
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return 1;
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if (test__cmpti2(0x0000000200000002LL, 0x0000000200000001LL, 2))
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return 1;
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if (test__cmpti2(0x0000000200000002LL, 0x0000000200000002LL, 1))
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return 1;
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if (test__cmpti2(0x0000000200000002LL, 0x0000000200000003LL, 0))
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return 1;
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if (test__cmpti2(make_ti(2, 2), make_ti(3, 1), 0))
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return 1;
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if (test__cmpti2(make_ti(2, 2), make_ti(3, 2), 0))
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return 1;
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if (test__cmpti2(make_ti(2, 2), make_ti(3, 3), 0))
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return 1;
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if (test__cmpti2(make_ti(2, 2), make_ti(1, 1), 2))
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return 1;
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if (test__cmpti2(make_ti(2, 2), make_ti(1, 2), 2))
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return 1;
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if (test__cmpti2(make_ti(2, 2), make_ti(1, 3), 2))
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return 1;
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if (test__cmpti2(make_ti(2, 2), make_ti(2, 1), 2))
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return 1;
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if (test__cmpti2(make_ti(2, 2), make_ti(2, 2), 1))
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return 1;
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if (test__cmpti2(make_ti(2, 2), make_ti(2, 3), 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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