sys/external/bsd/compiler_rt/dist/test/Unit/multi3_test.c

   1 //===-- multi3_test.c - Test __multi3 -------------------------------------===//
   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 __multi3 for the compiler_rt library.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #if __x86_64
  15
  16 #include "int_lib.h"
  17 #include <stdio.h>
  18
  19 ti_int __multi3(ti_int a, ti_int b);
  20
  21 int test__multi3(ti_int a, ti_int b, ti_int expected)
  22 {
  23     ti_int x = __multi3(a, b);
  24     if (x != expected)
  25     {
  26         twords at;
  27         at.all = a;
  28         twords bt;
  29         bt.all = b;
  30         twords xt;
  31         xt.all = x;
  32         twords expectedt;
  33         expectedt.all = expected;
  34         printf("error in __multi3: 0x%.16llX%.16llX * 0x%.16llX%.16llX = "
  35                "0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n",
  36                at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low,
  37                expectedt.s.high, expectedt.s.low);
  38     }
  39     return x != expected;
  40 }
  41
  42 char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
  43
  44 #endif
  45
  46 int main()
  47 {
  48 #if __x86_64
  49     if (test__multi3(0, 0, 0))
  50         return 1;
  51     if (test__multi3(0, 1, 0))
  52         return 1;
  53     if (test__multi3(1, 0, 0))
  54         return 1;
  55     if (test__multi3(0, 10, 0))
  56         return 1;
  57     if (test__multi3(10, 0, 0))
  58         return 1;
  59     if (test__multi3(0, 81985529216486895LL, 0))
  60         return 1;
  61     if (test__multi3(81985529216486895LL, 0, 0))
  62         return 1;
  63
  64     if (test__multi3(0, -1, 0))
  65         return 1;
  66     if (test__multi3(-1, 0, 0))
  67         return 1;
  68     if (test__multi3(0, -10, 0))
  69         return 1;
  70     if (test__multi3(-10, 0, 0))
  71         return 1;
  72     if (test__multi3(0, -81985529216486895LL, 0))
  73         return 1;
  74     if (test__multi3(-81985529216486895LL, 0, 0))
  75         return 1;
  76
  77     if (test__multi3(1, 1, 1))
  78         return 1;
  79     if (test__multi3(1, 10, 10))
  80         return 1;
  81     if (test__multi3(10, 1, 10))
  82         return 1;
  83     if (test__multi3(1, 81985529216486895LL, 81985529216486895LL))
  84         return 1;
  85     if (test__multi3(81985529216486895LL, 1, 81985529216486895LL))
  86         return 1;
  87
  88     if (test__multi3(1, -1, -1))
  89         return 1;
  90     if (test__multi3(1, -10, -10))
  91         return 1;
  92     if (test__multi3(-10, 1, -10))
  93         return 1;
  94     if (test__multi3(1, -81985529216486895LL, -81985529216486895LL))
  95         return 1;
  96     if (test__multi3(-81985529216486895LL, 1, -81985529216486895LL))
  97         return 1;
  98
  99     if (test__multi3(3037000499LL, 3037000499LL, 9223372030926249001LL))
 100         return 1;
 101     if (test__multi3(-3037000499LL, 3037000499LL, -9223372030926249001LL))
 102         return 1;
 103     if (test__multi3(3037000499LL, -3037000499LL, -9223372030926249001LL))
 104         return 1;
 105     if (test__multi3(-3037000499LL, -3037000499LL, 9223372030926249001LL))
 106         return 1;
 107
 108     if (test__multi3(4398046511103LL, 2097152LL, 9223372036852678656LL))
 109         return 1;
 110     if (test__multi3(-4398046511103LL, 2097152LL, -9223372036852678656LL))
 111         return 1;
 112     if (test__multi3(4398046511103LL, -2097152LL, -9223372036852678656LL))
 113         return 1;
 114     if (test__multi3(-4398046511103LL, -2097152LL, 9223372036852678656LL))
 115         return 1;
 116
 117     if (test__multi3(2097152LL, 4398046511103LL, 9223372036852678656LL))
 118         return 1;
 119     if (test__multi3(-2097152LL, 4398046511103LL, -9223372036852678656LL))
 120         return 1;
 121     if (test__multi3(2097152LL, -4398046511103LL, -9223372036852678656LL))
 122         return 1;
 123     if (test__multi3(-2097152LL, -4398046511103LL, 9223372036852678656LL))
 124         return 1;
 125
 126     if (test__multi3(make_ti(0x00000000000000B5LL, 0x04F333F9DE5BE000LL),
 127                      make_ti(0x0000000000000000LL, 0x00B504F333F9DE5BLL),
 128                      make_ti(0x7FFFFFFFFFFFF328LL, 0xDF915DA296E8A000LL)))
 129         return 1;
 130 #else
 131     printf("skipped\n");
 132 #endif
 133     return 0;
 134 }