src/compiler-rt/test/builtins/Unit/lshrdi3_test.c

   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 }