compiler-rt/test/builtins/Unit/mulvsi3_test.c

   1 // RUN: %clang_builtins %s %librt -o %t && %run %t
   2 // REQUIRES: librt_has_mulvsi3
   3 //===-- mulvsi3_test.c - Test __mulvsi3 -----------------------------------===//
   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 __mulvsi3 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 si_int __mulvsi3(si_int a, si_int b);
  23
  24 int test__mulvsi3(si_int a, si_int b, si_int expected)
  25 {
  26     si_int x = __mulvsi3(a, b);
  27     if (x != expected)
  28         printf("error in __mulvsi3: %d * %d = %d, expected %d\n",
  29                a, b, x, expected);
  30     return x != expected;
  31 }
  32
  33 int main()
  34 {
  35     if (test__mulvsi3(0, 0, 0))
  36         return 1;
  37     if (test__mulvsi3(0, 1, 0))
  38         return 1;
  39     if (test__mulvsi3(1, 0, 0))
  40         return 1;
  41     if (test__mulvsi3(0, 10, 0))
  42         return 1;
  43     if (test__mulvsi3(10, 0, 0))
  44         return 1;
  45     if (test__mulvsi3(0, 0x1234567, 0))
  46         return 1;
  47     if (test__mulvsi3(0x1234567, 0, 0))
  48         return 1;
  49
  50     if (test__mulvsi3(0, -1, 0))
  51         return 1;
  52     if (test__mulvsi3(-1, 0, 0))
  53         return 1;
  54     if (test__mulvsi3(0, -10, 0))
  55         return 1;
  56     if (test__mulvsi3(-10, 0, 0))
  57         return 1;
  58     if (test__mulvsi3(0, -0x1234567, 0))
  59         return 1;
  60     if (test__mulvsi3(-0x1234567, 0, 0))
  61         return 1;
  62
  63     if (test__mulvsi3(1, 1, 1))
  64         return 1;
  65     if (test__mulvsi3(1, 10, 10))
  66         return 1;
  67     if (test__mulvsi3(10, 1, 10))
  68         return 1;
  69     if (test__mulvsi3(1, 0x1234567, 0x1234567))
  70         return 1;
  71     if (test__mulvsi3(0x1234567, 1, 0x1234567))
  72         return 1;
  73
  74     if (test__mulvsi3(1, -1, -1))
  75         return 1;
  76     if (test__mulvsi3(1, -10, -10))
  77         return 1;
  78     if (test__mulvsi3(-10, 1, -10))
  79         return 1;
  80     if (test__mulvsi3(1, -0x1234567, -0x1234567))
  81         return 1;
  82     if (test__mulvsi3(-0x1234567, 1, -0x1234567))
  83         return 1;
  84
  85 //     if (test__mulvsi3(0x7FFFFFFF, -2, 0x80000001))  // abort
  86 //         return 1;
  87 //     if (test__mulvsi3(-2, 0x7FFFFFFF, 0x80000001))  // abort
  88 //         return 1;
  89     if (test__mulvsi3(0x7FFFFFFF, -1, 0x80000001))
  90         return 1;
  91     if (test__mulvsi3(-1, 0x7FFFFFFF, 0x80000001))
  92         return 1;
  93     if (test__mulvsi3(0x7FFFFFFF, 0, 0))
  94         return 1;
  95     if (test__mulvsi3(0, 0x7FFFFFFF, 0))
  96         return 1;
  97     if (test__mulvsi3(0x7FFFFFFF, 1, 0x7FFFFFFF))
  98         return 1;
  99     if (test__mulvsi3(1, 0x7FFFFFFF, 0x7FFFFFFF))
 100         return 1;
 101 //     if (test__mulvsi3(0x7FFFFFFF, 2, 0x80000001))  // abort
 102 //         return 1;
 103 //     if (test__mulvsi3(2, 0x7FFFFFFF, 0x80000001))  // abort
 104 //         return 1;
 105
 106 //     if (test__mulvsi3(0x80000000, -2, 0x80000000))  // abort
 107 //         return 1;
 108 //     if (test__mulvsi3(-2, 0x80000000, 0x80000000))  // abort
 109 //         return 1;
 110 //     if (test__mulvsi3(0x80000000, -1, 0x80000000))  // abort
 111 //         return 1;
 112 //     if (test__mulvsi3(-1, 0x80000000, 0x80000000))  // abort
 113 //         return 1;
 114     if (test__mulvsi3(0x80000000, 0, 0))
 115         return 1;
 116     if (test__mulvsi3(0, 0x80000000, 0))
 117         return 1;
 118     if (test__mulvsi3(0x80000000, 1, 0x80000000))
 119         return 1;
 120     if (test__mulvsi3(1, 0x80000000, 0x80000000))
 121         return 1;
 122 //     if (test__mulvsi3(0x80000000, 2, 0x80000000))  // abort
 123 //         return 1;
 124 //     if (test__mulvsi3(2, 0x80000000, 0x80000000))  // abort
 125 //         return 1;
 126
 127 //     if (test__mulvsi3(0x80000001, -2, 0x80000001))  // abort
 128 //         return 1;
 129 //     if (test__mulvsi3(-2, 0x80000001, 0x80000001))  // abort
 130 //         return 1;
 131     if (test__mulvsi3(0x80000001, -1, 0x7FFFFFFF))
 132         return 1;
 133     if (test__mulvsi3(-1, 0x80000001, 0x7FFFFFFF))
 134         return 1;
 135     if (test__mulvsi3(0x80000001, 0, 0))
 136         return 1;
 137     if (test__mulvsi3(0, 0x80000001, 0))
 138         return 1;
 139     if (test__mulvsi3(0x80000001, 1, 0x80000001))
 140         return 1;
 141     if (test__mulvsi3(1, 0x80000001, 0x80000001))
 142         return 1;
 143 //     if (test__mulvsi3(0x80000001, 2, 0x80000000))  // abort
 144 //         return 1;
 145 //     if (test__mulvsi3(2, 0x80000001, 0x80000000))  // abort
 146 //         return 1;
 147
 148     return 0;
 149 }