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      1 //===-- lshrdi3_test.c - Test __lshrdi3 -----------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // This file tests __lshrdi3 for the compiler_rt library.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include "int_lib.h"
     15 #include <stdio.h>
     16 
     17 // Returns: logical a >> b
     18 
     19 // Precondition:  0 <= b < bits_in_dword
     20 
     21 COMPILER_RT_ABI di_int __lshrdi3(di_int a, si_int b);
     22 
     23 int test__lshrdi3(di_int a, si_int b, di_int expected)
     24 {
     25     di_int x = __lshrdi3(a, b);
     26     if (x != expected)
     27         printf("error in __lshrdi3: %llX >> %d = %llX, expected %llX\n",
     28                a, b, __lshrdi3(a, b), expected);
     29     return x != expected;
     30 }
     31 
     32 char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0};
     33 
     34 int main()
     35 {
     36     if (test__lshrdi3(0x0123456789ABCDEFLL, 0, 0x123456789ABCDEFLL))
     37         return 1;
     38     if (test__lshrdi3(0x0123456789ABCDEFLL, 1, 0x91A2B3C4D5E6F7LL))
     39         return 1;
     40     if (test__lshrdi3(0x0123456789ABCDEFLL, 2, 0x48D159E26AF37BLL))
     41         return 1;
     42     if (test__lshrdi3(0x0123456789ABCDEFLL, 3, 0x2468ACF13579BDLL))
     43         return 1;
     44     if (test__lshrdi3(0x0123456789ABCDEFLL, 4, 0x123456789ABCDELL))
     45         return 1;
     46 
     47     if (test__lshrdi3(0x0123456789ABCDEFLL, 28, 0x12345678LL))
     48         return 1;
     49     if (test__lshrdi3(0x0123456789ABCDEFLL, 29, 0x91A2B3CLL))
     50         return 1;
     51     if (test__lshrdi3(0x0123456789ABCDEFLL, 30, 0x48D159ELL))
     52         return 1;
     53     if (test__lshrdi3(0x0123456789ABCDEFLL, 31, 0x2468ACFLL))
     54         return 1;
     55 
     56     if (test__lshrdi3(0x0123456789ABCDEFLL, 32, 0x1234567LL))
     57         return 1;
     58 
     59     if (test__lshrdi3(0x0123456789ABCDEFLL, 33, 0x91A2B3LL))
     60         return 1;
     61     if (test__lshrdi3(0x0123456789ABCDEFLL, 34, 0x48D159LL))
     62         return 1;
     63     if (test__lshrdi3(0x0123456789ABCDEFLL, 35, 0x2468ACLL))
     64         return 1;
     65     if (test__lshrdi3(0x0123456789ABCDEFLL, 36, 0x123456LL))
     66         return 1;
     67 
     68     if (test__lshrdi3(0x0123456789ABCDEFLL, 60, 0))
     69         return 1;
     70     if (test__lshrdi3(0x0123456789ABCDEFLL, 61, 0))
     71         return 1;
     72     if (test__lshrdi3(0x0123456789ABCDEFLL, 62, 0))
     73         return 1;
     74     if (test__lshrdi3(0x0123456789ABCDEFLL, 63, 0))
     75         return 1;
     76 
     77     if (test__lshrdi3(0xFEDCBA9876543210LL, 0, 0xFEDCBA9876543210LL))
     78         return 1;
     79     if (test__lshrdi3(0xFEDCBA9876543210LL, 1, 0x7F6E5D4C3B2A1908LL))
     80         return 1;
     81     if (test__lshrdi3(0xFEDCBA9876543210LL, 2, 0x3FB72EA61D950C84LL))
     82         return 1;
     83     if (test__lshrdi3(0xFEDCBA9876543210LL, 3, 0x1FDB97530ECA8642LL))
     84         return 1;
     85     if (test__lshrdi3(0xFEDCBA9876543210LL, 4, 0xFEDCBA987654321LL))
     86         return 1;
     87 
     88     if (test__lshrdi3(0xFEDCBA9876543210LL, 28, 0xFEDCBA987LL))
     89         return 1;
     90     if (test__lshrdi3(0xFEDCBA9876543210LL, 29, 0x7F6E5D4C3LL))
     91         return 1;
     92     if (test__lshrdi3(0xFEDCBA9876543210LL, 30, 0x3FB72EA61LL))
     93         return 1;
     94     if (test__lshrdi3(0xFEDCBA9876543210LL, 31, 0x1FDB97530LL))
     95         return 1;
     96 
     97     if (test__lshrdi3(0xFEDCBA9876543210LL, 32, 0xFEDCBA98LL))
     98         return 1;
     99 
    100     if (test__lshrdi3(0xFEDCBA9876543210LL, 33, 0x7F6E5D4CLL))
    101         return 1;
    102     if (test__lshrdi3(0xFEDCBA9876543210LL, 34, 0x3FB72EA6LL))
    103         return 1;
    104     if (test__lshrdi3(0xFEDCBA9876543210LL, 35, 0x1FDB9753LL))
    105         return 1;
    106     if (test__lshrdi3(0xFEDCBA9876543210LL, 36, 0xFEDCBA9LL))
    107         return 1;
    108 
    109     if (test__lshrdi3(0xAEDCBA9876543210LL, 60, 0xALL))
    110         return 1;
    111     if (test__lshrdi3(0xAEDCBA9876543210LL, 61, 0x5LL))
    112         return 1;
    113     if (test__lshrdi3(0xAEDCBA9876543210LL, 62, 0x2LL))
    114         return 1;
    115     if (test__lshrdi3(0xAEDCBA9876543210LL, 63, 0x1LL))
    116         return 1;
    117     return 0;
    118 }
    119