- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
//===-- ctzdi2_test.c - Test __ctzdi2 -------------------------------------===//
|
|
//
|
|
// 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 __ctzdi2 for the compiler_rt library.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "int_lib.h"
|
|
#include <stdio.h>
|
|
|
|
// Returns: the number of trailing 0-bits
|
|
|
|
// Precondition: a != 0
|
|
|
|
si_int __ctzdi2(di_int a);
|
|
|
|
int test__ctzdi2(di_int a, si_int expected)
|
|
{
|
|
si_int x = __ctzdi2(a);
|
|
if (x != expected)
|
|
printf("error in __ctzdi2(0x%llX) = %d, expected %d\n", a, x, expected);
|
|
return x != expected;
|
|
}
|
|
|
|
char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
|
|
|
|
int main()
|
|
{
|
|
// if (test__ctzdi2(0x00000000, N)) // undefined
|
|
// return 1;
|
|
if (test__ctzdi2(0x00000001, 0))
|
|
return 1;
|
|
if (test__ctzdi2(0x00000002, 1))
|
|
return 1;
|
|
if (test__ctzdi2(0x00000003, 0))
|
|
return 1;
|
|
if (test__ctzdi2(0x00000004, 2))
|
|
return 1;
|
|
if (test__ctzdi2(0x00000005, 0))
|
|
return 1;
|
|
if (test__ctzdi2(0x0000000A, 1))
|
|
return 1;
|
|
if (test__ctzdi2(0x10000000, 28))
|
|
return 1;
|
|
if (test__ctzdi2(0x20000000, 29))
|
|
return 1;
|
|
if (test__ctzdi2(0x60000000, 29))
|
|
return 1;
|
|
if (test__ctzdi2(0x80000000uLL, 31))
|
|
return 1;
|
|
if (test__ctzdi2(0x0000050000000000uLL, 40))
|
|
return 1;
|
|
if (test__ctzdi2(0x0200080000000000uLL, 43))
|
|
return 1;
|
|
if (test__ctzdi2(0x7200000000000000uLL, 57))
|
|
return 1;
|
|
if (test__ctzdi2(0x8000000000000000uLL, 63))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|