compiler-rt/test/builtins/Unit/mulvdi3_test.c

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 // REQUIRES: librt_has_mulvdi3
   3 //===-- mulvdi3_test.c - Test __mulvdi3 -----------------------------------===//
   4 //
   5 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   6 // See https://llvm.org/LICENSE.txt for license information.
   7 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   8 //
   9 //===----------------------------------------------------------------------===//
  10 //
  11 // This file tests __mulvdi3 for the compiler_rt library.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "int_lib.h"
  16 #include <stdio.h>
  17
  18 // Returns: a * b
  19
  20 // Effects: aborts if a * b overflows
  21
  22 COMPILER_RT_ABI di_int __mulvdi3(di_int a, di_int b);
  23
  24 int test__mulvdi3(di_int a, di_int b, di_int expected)
  25 {
  26     di_int x = __mulvdi3(a, b);
  27     if (x != expected)
  28         printf("error in __mulvdi3: %lld * %lld = %lld, expected %lld\n",
  29                a, b, x, expected);
  30     return x != expected;
  31 }
  32
  33 int main()
  34 {
  35     if (test__mulvdi3(0, 0, 0))
  36         return 1;
  37     if (test__mulvdi3(0, 1, 0))
  38         return 1;
  39     if (test__mulvdi3(1, 0, 0))
  40         return 1;
  41     if (test__mulvdi3(0, 10, 0))
  42         return 1;
  43     if (test__mulvdi3(10, 0, 0))
  44         return 1;
  45     if (test__mulvdi3(0, 81985529216486895LL, 0))
  46         return 1;
  47     if (test__mulvdi3(81985529216486895LL, 0, 0))
  48         return 1;
  49
  50     if (test__mulvdi3(0, -1, 0))
  51         return 1;
  52     if (test__mulvdi3(-1, 0, 0))
  53         return 1;
  54     if (test__mulvdi3(0, -10, 0))
  55         return 1;
  56     if (test__mulvdi3(-10, 0, 0))
  57         return 1;
  58     if (test__mulvdi3(0, -81985529216486895LL, 0))
  59         return 1;
  60     if (test__mulvdi3(-81985529216486895LL, 0, 0))
  61         return 1;
  62
  63     if (test__mulvdi3(1, 1, 1))
  64         return 1;
  65     if (test__mulvdi3(1, 10, 10))
  66         return 1;
  67     if (test__mulvdi3(10, 1, 10))
  68         return 1;
  69     if (test__mulvdi3(1, 81985529216486895LL, 81985529216486895LL))
  70         return 1;
  71     if (test__mulvdi3(81985529216486895LL, 1, 81985529216486895LL))
  72         return 1;
  73
  74     if (test__mulvdi3(1, -1, -1))
  75         return 1;
  76     if (test__mulvdi3(1, -10, -10))
  77         return 1;
  78     if (test__mulvdi3(-10, 1, -10))
  79         return 1;
  80     if (test__mulvdi3(1, -81985529216486895LL, -81985529216486895LL))
  81         return 1;
  82     if (test__mulvdi3(-81985529216486895LL, 1, -81985529216486895LL))
  83         return 1;
  84
  85     if (test__mulvdi3(3037000499LL, 3037000499LL, 9223372030926249001LL))
  86         return 1;
  87     if (test__mulvdi3(-3037000499LL, 3037000499LL, -9223372030926249001LL))
  88         return 1;
  89     if (test__mulvdi3(3037000499LL, -3037000499LL, -9223372030926249001LL))
  90         return 1;
  91     if (test__mulvdi3(-3037000499LL, -3037000499LL, 9223372030926249001LL))
  92         return 1;
  93
  94     if (test__mulvdi3(4398046511103LL, 2097152LL, 9223372036852678656LL))
  95         return 1;
  96     if (test__mulvdi3(-4398046511103LL, 2097152LL, -9223372036852678656LL))
  97         return 1;
  98     if (test__mulvdi3(4398046511103LL, -2097152LL, -9223372036852678656LL))
  99         return 1;
 100     if (test__mulvdi3(-4398046511103LL, -2097152LL, 9223372036852678656LL))
 101         return 1;
 102
 103     if (test__mulvdi3(2097152LL, 4398046511103LL, 9223372036852678656LL))
 104         return 1;
 105     if (test__mulvdi3(-2097152LL, 4398046511103LL, -9223372036852678656LL))
 106         return 1;
 107     if (test__mulvdi3(2097152LL, -4398046511103LL, -9223372036852678656LL))
 108         return 1;
 109     if (test__mulvdi3(-2097152LL, -4398046511103LL, 9223372036852678656LL))
 110         return 1;
 111
 112 //     if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, -2, 0x8000000000000001LL))  // abort
 113 //         return 1;
 114 //     if (test__mulvdi3(-2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL))  // abort
 115 //         return 1;
 116     if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, -1, 0x8000000000000001LL))
 117         return 1;
 118     if (test__mulvdi3(-1, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL))
 119         return 1;
 120     if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 0, 0))
 121         return 1;
 122     if (test__mulvdi3(0, 0x7FFFFFFFFFFFFFFFLL, 0))
 123         return 1;
 124     if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 1, 0x7FFFFFFFFFFFFFFFLL))
 125         return 1;
 126     if (test__mulvdi3(1, 0x7FFFFFFFFFFFFFFFLL, 0x7FFFFFFFFFFFFFFFLL))
 127         return 1;
 128 //     if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 2, 0x8000000000000001LL))  // abort
 129 //         return 1;
 130 //     if (test__mulvdi3(2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL))  // abort
 131 //         return 1;
 132
 133 //     if (test__mulvdi3(0x8000000000000000LL, -2, 0x8000000000000000LL))  // abort
 134 //         return 1;
 135 //     if (test__mulvdi3(-2, 0x8000000000000000LL, 0x8000000000000000LL))  // abort
 136 //         return 1;
 137 //     if (test__mulvdi3(0x8000000000000000LL, -1, 0x8000000000000000LL))  // abort
 138 //         return 1;
 139 //     if (test__mulvdi3(-1, 0x8000000000000000LL, 0x8000000000000000LL))  // abort
 140 //         return 1;
 141     if (test__mulvdi3(0x8000000000000000LL, 0, 0))
 142         return 1;
 143     if (test__mulvdi3(0, 0x8000000000000000LL, 0))
 144         return 1;
 145     if (test__mulvdi3(0x8000000000000000LL, 1, 0x8000000000000000LL))
 146         return 1;
 147     if (test__mulvdi3(1, 0x8000000000000000LL, 0x8000000000000000LL))
 148         return 1;
 149 //     if (test__mulvdi3(0x8000000000000000LL, 2, 0x8000000000000000LL))  // abort
 150 //         return 1;
 151 //     if (test__mulvdi3(2, 0x8000000000000000LL, 0x8000000000000000LL))  // abort
 152 //         return 1;
 153
 154 //     if (test__mulvdi3(0x8000000000000001LL, -2, 0x8000000000000001LL))  // abort
 155 //         return 1;
 156 //     if (test__mulvdi3(-2, 0x8000000000000001LL, 0x8000000000000001LL))  // abort
 157 //         return 1;
 158     if (test__mulvdi3(0x8000000000000001LL, -1, 0x7FFFFFFFFFFFFFFFLL))
 159         return 1;
 160     if (test__mulvdi3(-1, 0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL))
 161         return 1;
 162     if (test__mulvdi3(0x8000000000000001LL, 0, 0))
 163         return 1;
 164     if (test__mulvdi3(0, 0x8000000000000001LL, 0))
 165         return 1;
 166     if (test__mulvdi3(0x8000000000000001LL, 1, 0x8000000000000001LL))
 167         return 1;
 168     if (test__mulvdi3(1, 0x8000000000000001LL, 0x8000000000000001LL))
 169         return 1;
 170 //     if (test__mulvdi3(0x8000000000000001LL, 2, 0x8000000000000000LL))  // abort
 171 //         return 1;
 172 //     if (test__mulvdi3(2, 0x8000000000000001LL, 0x8000000000000000LL))  // abort
 173 //         return 1;
 174
 175     return 0;
 176 }