forked from OSchip/llvm-project
176 lines
6.1 KiB
C
176 lines
6.1 KiB
C
//===-- mulvdi3_test.c - Test __mulvdi3 -----------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file tests __mulvdi3 for the compiler_rt library.
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//
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//===----------------------------------------------------------------------===//
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#include "int_lib.h"
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#include <stdio.h>
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// Returns: a * b
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// Effects: aborts if a * b overflows
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COMPILER_RT_ABI di_int __mulvdi3(di_int a, di_int b);
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int test__mulvdi3(di_int a, di_int b, di_int expected)
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{
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di_int x = __mulvdi3(a, b);
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if (x != expected)
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printf("error in __mulvdi3: %lld * %lld = %lld, expected %lld\n",
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a, b, x, expected);
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return x != expected;
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}
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int main()
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{
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if (test__mulvdi3(0, 0, 0))
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return 1;
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if (test__mulvdi3(0, 1, 0))
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return 1;
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if (test__mulvdi3(1, 0, 0))
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return 1;
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if (test__mulvdi3(0, 10, 0))
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return 1;
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if (test__mulvdi3(10, 0, 0))
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return 1;
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if (test__mulvdi3(0, 81985529216486895LL, 0))
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return 1;
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if (test__mulvdi3(81985529216486895LL, 0, 0))
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return 1;
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if (test__mulvdi3(0, -1, 0))
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return 1;
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if (test__mulvdi3(-1, 0, 0))
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return 1;
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if (test__mulvdi3(0, -10, 0))
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return 1;
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if (test__mulvdi3(-10, 0, 0))
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return 1;
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if (test__mulvdi3(0, -81985529216486895LL, 0))
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return 1;
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if (test__mulvdi3(-81985529216486895LL, 0, 0))
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return 1;
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if (test__mulvdi3(1, 1, 1))
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return 1;
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if (test__mulvdi3(1, 10, 10))
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return 1;
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if (test__mulvdi3(10, 1, 10))
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return 1;
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if (test__mulvdi3(1, 81985529216486895LL, 81985529216486895LL))
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return 1;
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if (test__mulvdi3(81985529216486895LL, 1, 81985529216486895LL))
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return 1;
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if (test__mulvdi3(1, -1, -1))
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return 1;
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if (test__mulvdi3(1, -10, -10))
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return 1;
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if (test__mulvdi3(-10, 1, -10))
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return 1;
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if (test__mulvdi3(1, -81985529216486895LL, -81985529216486895LL))
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return 1;
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if (test__mulvdi3(-81985529216486895LL, 1, -81985529216486895LL))
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return 1;
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if (test__mulvdi3(3037000499LL, 3037000499LL, 9223372030926249001LL))
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return 1;
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if (test__mulvdi3(-3037000499LL, 3037000499LL, -9223372030926249001LL))
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return 1;
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if (test__mulvdi3(3037000499LL, -3037000499LL, -9223372030926249001LL))
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return 1;
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if (test__mulvdi3(-3037000499LL, -3037000499LL, 9223372030926249001LL))
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return 1;
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if (test__mulvdi3(4398046511103LL, 2097152LL, 9223372036852678656LL))
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return 1;
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if (test__mulvdi3(-4398046511103LL, 2097152LL, -9223372036852678656LL))
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return 1;
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if (test__mulvdi3(4398046511103LL, -2097152LL, -9223372036852678656LL))
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return 1;
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if (test__mulvdi3(-4398046511103LL, -2097152LL, 9223372036852678656LL))
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return 1;
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if (test__mulvdi3(2097152LL, 4398046511103LL, 9223372036852678656LL))
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return 1;
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if (test__mulvdi3(-2097152LL, 4398046511103LL, -9223372036852678656LL))
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return 1;
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if (test__mulvdi3(2097152LL, -4398046511103LL, -9223372036852678656LL))
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return 1;
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if (test__mulvdi3(-2097152LL, -4398046511103LL, 9223372036852678656LL))
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return 1;
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// if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, -2, 0x8000000000000001LL)) // abort
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// return 1;
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// if (test__mulvdi3(-2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) // abort
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// return 1;
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if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, -1, 0x8000000000000001LL))
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return 1;
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if (test__mulvdi3(-1, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL))
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return 1;
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if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 0, 0))
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return 1;
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if (test__mulvdi3(0, 0x7FFFFFFFFFFFFFFFLL, 0))
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return 1;
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if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 1, 0x7FFFFFFFFFFFFFFFLL))
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return 1;
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if (test__mulvdi3(1, 0x7FFFFFFFFFFFFFFFLL, 0x7FFFFFFFFFFFFFFFLL))
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return 1;
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// if (test__mulvdi3(0x7FFFFFFFFFFFFFFFLL, 2, 0x8000000000000001LL)) // abort
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// return 1;
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// if (test__mulvdi3(2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL)) // abort
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// return 1;
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// if (test__mulvdi3(0x8000000000000000LL, -2, 0x8000000000000000LL)) // abort
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// return 1;
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// if (test__mulvdi3(-2, 0x8000000000000000LL, 0x8000000000000000LL)) // abort
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// return 1;
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// if (test__mulvdi3(0x8000000000000000LL, -1, 0x8000000000000000LL)) // abort
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// return 1;
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// if (test__mulvdi3(-1, 0x8000000000000000LL, 0x8000000000000000LL)) // abort
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// return 1;
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if (test__mulvdi3(0x8000000000000000LL, 0, 0))
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return 1;
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if (test__mulvdi3(0, 0x8000000000000000LL, 0))
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return 1;
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if (test__mulvdi3(0x8000000000000000LL, 1, 0x8000000000000000LL))
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return 1;
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if (test__mulvdi3(1, 0x8000000000000000LL, 0x8000000000000000LL))
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return 1;
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// if (test__mulvdi3(0x8000000000000000LL, 2, 0x8000000000000000LL)) // abort
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// return 1;
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// if (test__mulvdi3(2, 0x8000000000000000LL, 0x8000000000000000LL)) // abort
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// return 1;
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// if (test__mulvdi3(0x8000000000000001LL, -2, 0x8000000000000001LL)) // abort
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// return 1;
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// if (test__mulvdi3(-2, 0x8000000000000001LL, 0x8000000000000001LL)) // abort
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// return 1;
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if (test__mulvdi3(0x8000000000000001LL, -1, 0x7FFFFFFFFFFFFFFFLL))
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return 1;
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if (test__mulvdi3(-1, 0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL))
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return 1;
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if (test__mulvdi3(0x8000000000000001LL, 0, 0))
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return 1;
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if (test__mulvdi3(0, 0x8000000000000001LL, 0))
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return 1;
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if (test__mulvdi3(0x8000000000000001LL, 1, 0x8000000000000001LL))
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return 1;
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if (test__mulvdi3(1, 0x8000000000000001LL, 0x8000000000000001LL))
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return 1;
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// if (test__mulvdi3(0x8000000000000001LL, 2, 0x8000000000000000LL)) // abort
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// return 1;
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// if (test__mulvdi3(2, 0x8000000000000001LL, 0x8000000000000000LL)) // abort
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// return 1;
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return 0;
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}
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