compiler-rt/test/builtins/Unit/lshrti3_test.c

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 // REQUIRES: librt_has_lshrti3
   3 // REQUIRES: int128
   4
   5 #include "int_lib.h"
   6 #include <stdio.h>
   7
   8 #ifdef CRT_HAS_128BIT
   9
  10 // Returns: logical a >> b
  11
  12 // Precondition:  0 <= b < bits_in_dword
  13
  14 COMPILER_RT_ABI ti_int __lshrti3(ti_int a, int b);
  15
  16 int test__lshrti3(ti_int a, int b, ti_int expected) {
  17   ti_int x = __lshrti3(a, b);
  18   if (x != expected) {
  19     twords at;
  20     at.all = a;
  21     twords xt;
  22     xt.all = x;
  23     twords expectedt;
  24     expectedt.all = expected;
  25     printf("error in __lshrti3: 0x%llX%.16llX >> %d = 0x%llX%.16llX,"
  26            " expected 0x%llX%.16llX\n",
  27            at.s.high, at.s.low, b, xt.s.high, xt.s.low, expectedt.s.high,
  28            expectedt.s.low);
  29   }
  30   return x != expected;
  31 }
  32
  33 char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
  34
  35 #endif
  36
  37 int main()
  38 {
  39 #ifdef CRT_HAS_128BIT
  40     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 0,
  41                       make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL)))
  42         return 1;
  43     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 1,
  44                       make_ti(0x7F6E5D4C3B2A190ALL, 0xFF6E5D4C3B2A190ALL)))
  45         return 1;
  46     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 2,
  47                       make_ti(0x3FB72EA61D950C85LL, 0x7FB72EA61D950C85LL)))
  48         return 1;
  49     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 3,
  50                       make_ti(0x1FDB97530ECA8642LL, 0xBFDB97530ECA8642LL)))
  51         return 1;
  52     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 4,
  53                       make_ti(0x0FEDCBA987654321LL, 0x5FEDCBA987654321LL)))
  54         return 1;
  55
  56     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 28,
  57                       make_ti(0x0000000FEDCBA987LL, 0x6543215FEDCBA987LL)))
  58         return 1;
  59     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 29,
  60                       make_ti(0x00000007F6E5D4C3LL, 0xB2A190AFF6E5D4C3LL)))
  61         return 1;
  62     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 30,
  63                       make_ti(0x00000003FB72EA61LL, 0xD950C857FB72EA61LL)))
  64         return 1;
  65     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 31,
  66                       make_ti(0x00000001FDB97530LL, 0xECA8642BFDB97530LL)))
  67         return 1;
  68
  69     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 32,
  70                       make_ti(0x00000000FEDCBA98LL, 0x76543215FEDCBA98LL)))
  71         return 1;
  72
  73     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 33,
  74                       make_ti(0x000000007F6E5D4CLL, 0x3B2A190AFF6E5D4CLL)))
  75         return 1;
  76     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 34,
  77                       make_ti(0x000000003FB72EA6LL, 0x1D950C857FB72EA6LL)))
  78         return 1;
  79     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 35,
  80                       make_ti(0x000000001FDB9753LL, 0x0ECA8642BFDB9753LL)))
  81         return 1;
  82     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 36,
  83                       make_ti(0x000000000FEDCBA9LL, 0x876543215FEDCBA9LL)))
  84         return 1;
  85
  86     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 60,
  87                       make_ti(0x000000000000000FLL, 0xEDCBA9876543215FLL)))
  88         return 1;
  89     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 61,
  90                       make_ti(0x0000000000000007LL, 0xF6E5D4C3B2A190AFLL)))
  91         return 1;
  92     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 62,
  93                       make_ti(0x0000000000000003LL, 0xFB72EA61D950C857LL)))
  94         return 1;
  95     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 63,
  96                       make_ti(0x0000000000000001LL, 0xFDB97530ECA8642BLL)))
  97         return 1;
  98
  99     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 64,
 100                       make_ti(0x0000000000000000LL, 0xFEDCBA9876543215LL)))
 101         return 1;
 102
 103     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 65,
 104                       make_ti(0x0000000000000000LL, 0x7F6E5D4C3B2A190ALL)))
 105         return 1;
 106     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 66,
 107                       make_ti(0x0000000000000000LL, 0x3FB72EA61D950C85LL)))
 108         return 1;
 109     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 67,
 110                       make_ti(0x0000000000000000LL, 0x1FDB97530ECA8642LL)))
 111         return 1;
 112     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 68,
 113                       make_ti(0x0000000000000000LL, 0x0FEDCBA987654321LL)))
 114         return 1;
 115
 116     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 92,
 117                       make_ti(0x0000000000000000LL, 0x0000000FEDCBA987LL)))
 118         return 1;
 119     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 93,
 120                       make_ti(0x0000000000000000LL, 0x00000007F6E5D4C3LL)))
 121         return 1;
 122     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 94,
 123                       make_ti(0x0000000000000000LL, 0x00000003FB72EA61LL)))
 124         return 1;
 125     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 95,
 126                       make_ti(0x0000000000000000LL, 0x00000001FDB97530LL)))
 127         return 1;
 128
 129     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 96,
 130                       make_ti(0x0000000000000000LL, 0x00000000FEDCBA98LL)))
 131         return 1;
 132
 133     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 97,
 134                       make_ti(0x0000000000000000LL, 0x000000007F6E5D4CLL)))
 135         return 1;
 136     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 98,
 137                       make_ti(0x0000000000000000LL, 0x000000003FB72EA6LL)))
 138         return 1;
 139     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 99,
 140                       make_ti(0x0000000000000000LL, 0x000000001FDB9753LL)))
 141         return 1;
 142     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 100,
 143                       make_ti(0x0000000000000000LL, 0x000000000FEDCBA9LL)))
 144         return 1;
 145
 146     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 124,
 147                       make_ti(0x0000000000000000LL, 0x000000000000000FLL)))
 148         return 1;
 149     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 125,
 150                       make_ti(0x0000000000000000LL, 0x0000000000000007LL)))
 151         return 1;
 152     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 126,
 153                       make_ti(0x0000000000000000LL, 0x0000000000000003LL)))
 154         return 1;
 155     if (test__lshrti3(make_ti(0xFEDCBA9876543215LL, 0xFEDCBA9876543215LL), 127,
 156                       make_ti(0x0000000000000000LL, 0x0000000000000001LL)))
 157         return 1;
 158 #else
 159     printf("skipped\n");
 160 #endif
 161     return 0;
 162 }