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lshrti3_test.c
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lshrti3_test.c
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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: int128
//===-- lshrti3_test.c - Test __lshrti3 -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __lshrti3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
#ifdef CRT_HAS_128BIT
// Returns: logical a >> b
// Precondition: 0 <= b < bits_in_dword
COMPILER_RT_ABI ti_int __lshrti3(ti_int a, si_int b);
int test__lshrti3(ti_int a, si_int b, ti_int expected)
{
ti_int x = __lshrti3(a, b);
if (x != expected)
{
twords at;
at.all = a;
twords xt;
xt.all = x;
twords expectedt;
expectedt.all = expected;
printf("error in __lshrti3: 0x%llX%.16llX >> %d = 0x%llX%.16llX,"
" expected 0x%llX%.16llX\n",
at.s.high, at.s.low, b, xt.s.high, xt.s.low,
expectedt.s.high, expectedt.s.low);
}
return x != expected;
}
char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
#endif
int main()
{
#ifdef CRT_HAS_128BIT
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 0,
make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 1,
make_ti(0x7F6E5D4C3B2A190ALL, 0xFF6E5D4C3B2A190ALL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 2,
make_ti(0x3FB72EA61D950C85LL, 0x7FB72EA61D950C85LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 3,
make_ti(0x1FDB97530ECA8642LL, 0xBFDB97530ECA8642LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 4,
make_ti(0x0FEDCBA987654321LL, 0x5FEDCBA987654321LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 28,
make_ti(0x0000000FEDCBA987LL, 0x6543215FEDCBA987LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 29,
make_ti(0x00000007F6E5D4C3LL, 0xB2A190AFF6E5D4C3LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 30,
make_ti(0x00000003FB72EA61LL, 0xD950C857FB72EA61LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 31,
make_ti(0x00000001FDB97530LL, 0xECA8642BFDB97530LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 32,
make_ti(0x00000000FEDCBA98LL, 0x76543215FEDCBA98LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 33,
make_ti(0x000000007F6E5D4CLL, 0x3B2A190AFF6E5D4CLL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 34,
make_ti(0x000000003FB72EA6LL, 0x1D950C857FB72EA6LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 35,
make_ti(0x000000001FDB9753LL, 0x0ECA8642BFDB9753LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 36,
make_ti(0x000000000FEDCBA9LL, 0x876543215FEDCBA9LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 60,
make_ti(0x000000000000000FLL, 0xEDCBA9876543215FLL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 61,
make_ti(0x0000000000000007LL, 0xF6E5D4C3B2A190AFLL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 62,
make_ti(0x0000000000000003LL, 0xFB72EA61D950C857LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 63,
make_ti(0x0000000000000001LL, 0xFDB97530ECA8642BLL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 64,
make_ti(0x0000000000000000LL, 0xFEDCBA9876543215LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 65,
make_ti(0x0000000000000000LL, 0x7F6E5D4C3B2A190ALL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 66,
make_ti(0x0000000000000000LL, 0x3FB72EA61D950C85LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 67,
make_ti(0x0000000000000000LL, 0x1FDB97530ECA8642LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 68,
make_ti(0x0000000000000000LL, 0x0FEDCBA987654321LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 92,
make_ti(0x0000000000000000LL, 0x0000000FEDCBA987LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 93,
make_ti(0x0000000000000000LL, 0x00000007F6E5D4C3LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 94,
make_ti(0x0000000000000000LL, 0x00000003FB72EA61LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 95,
make_ti(0x0000000000000000LL, 0x00000001FDB97530LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 96,
make_ti(0x0000000000000000LL, 0x00000000FEDCBA98LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 97,
make_ti(0x0000000000000000LL, 0x000000007F6E5D4CLL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 98,
make_ti(0x0000000000000000LL, 0x000000003FB72EA6LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 99,
make_ti(0x0000000000000000LL, 0x000000001FDB9753LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 100,
make_ti(0x0000000000000000LL, 0x000000000FEDCBA9LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 124,
make_ti(0x0000000000000000LL, 0x000000000000000FLL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 125,
make_ti(0x0000000000000000LL, 0x0000000000000007LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 126,
make_ti(0x0000000000000000LL, 0x0000000000000003LL)))
return 1;
if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 127,
make_ti(0x0000000000000000LL, 0x0000000000000001LL)))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}