compiler-rt/test/builtins/Unit/multi3_test.c

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 // REQUIRES: librt_has_multi3
   3 // REQUIRES: int128
   4
   5 #include "int_lib.h"
   6 #include <stdio.h>
   7
   8 #ifdef CRT_HAS_128BIT
   9
  10 COMPILER_RT_ABI ti_int __multi3(ti_int a, ti_int b);
  11
  12 int test__multi3(ti_int a, ti_int b, ti_int expected)
  13 {
  14     ti_int x = __multi3(a, b);
  15     if (x != expected)
  16     {
  17         twords at;
  18         at.all = a;
  19         twords bt;
  20         bt.all = b;
  21         twords xt;
  22         xt.all = x;
  23         twords expectedt;
  24         expectedt.all = expected;
  25         printf("error in __multi3: 0x%.16llX%.16llX * 0x%.16llX%.16llX = "
  26                "0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n",
  27                at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low,
  28                expectedt.s.high, 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__multi3(0, 0, 0))
  41         return 1;
  42     if (test__multi3(0, 1, 0))
  43         return 1;
  44     if (test__multi3(1, 0, 0))
  45         return 1;
  46     if (test__multi3(0, 10, 0))
  47         return 1;
  48     if (test__multi3(10, 0, 0))
  49         return 1;
  50     if (test__multi3(0, 81985529216486895LL, 0))
  51         return 1;
  52     if (test__multi3(81985529216486895LL, 0, 0))
  53         return 1;
  54
  55     if (test__multi3(0, -1, 0))
  56         return 1;
  57     if (test__multi3(-1, 0, 0))
  58         return 1;
  59     if (test__multi3(0, -10, 0))
  60         return 1;
  61     if (test__multi3(-10, 0, 0))
  62         return 1;
  63     if (test__multi3(0, -81985529216486895LL, 0))
  64         return 1;
  65     if (test__multi3(-81985529216486895LL, 0, 0))
  66         return 1;
  67
  68     if (test__multi3(1, 1, 1))
  69         return 1;
  70     if (test__multi3(1, 10, 10))
  71         return 1;
  72     if (test__multi3(10, 1, 10))
  73         return 1;
  74     if (test__multi3(1, 81985529216486895LL, 81985529216486895LL))
  75         return 1;
  76     if (test__multi3(81985529216486895LL, 1, 81985529216486895LL))
  77         return 1;
  78
  79     if (test__multi3(1, -1, -1))
  80         return 1;
  81     if (test__multi3(1, -10, -10))
  82         return 1;
  83     if (test__multi3(-10, 1, -10))
  84         return 1;
  85     if (test__multi3(1, -81985529216486895LL, -81985529216486895LL))
  86         return 1;
  87     if (test__multi3(-81985529216486895LL, 1, -81985529216486895LL))
  88         return 1;
  89
  90     if (test__multi3(3037000499LL, 3037000499LL, 9223372030926249001LL))
  91         return 1;
  92     if (test__multi3(-3037000499LL, 3037000499LL, -9223372030926249001LL))
  93         return 1;
  94     if (test__multi3(3037000499LL, -3037000499LL, -9223372030926249001LL))
  95         return 1;
  96     if (test__multi3(-3037000499LL, -3037000499LL, 9223372030926249001LL))
  97         return 1;
  98
  99     if (test__multi3(4398046511103LL, 2097152LL, 9223372036852678656LL))
 100         return 1;
 101     if (test__multi3(-4398046511103LL, 2097152LL, -9223372036852678656LL))
 102         return 1;
 103     if (test__multi3(4398046511103LL, -2097152LL, -9223372036852678656LL))
 104         return 1;
 105     if (test__multi3(-4398046511103LL, -2097152LL, 9223372036852678656LL))
 106         return 1;
 107
 108     if (test__multi3(2097152LL, 4398046511103LL, 9223372036852678656LL))
 109         return 1;
 110     if (test__multi3(-2097152LL, 4398046511103LL, -9223372036852678656LL))
 111         return 1;
 112     if (test__multi3(2097152LL, -4398046511103LL, -9223372036852678656LL))
 113         return 1;
 114     if (test__multi3(-2097152LL, -4398046511103LL, 9223372036852678656LL))
 115         return 1;
 116
 117     if (test__multi3(make_ti(0x00000000000000B5LL, 0x04F333F9DE5BE000LL),
 118                      make_ti(0x0000000000000000LL, 0x00B504F333F9DE5BLL),
 119                      make_ti(0x7FFFFFFFFFFFF328LL, 0xDF915DA296E8A000LL)))
 120         return 1;
 121 #else
 122     printf("skipped\n");
 123 #endif
 124     return 0;
 125 }