forked from OSchip/llvm-project
179 lines
6.3 KiB
C
179 lines
6.3 KiB
C
//===-- mulodi4_test.c - Test __mulodi4 -----------------------------------===//
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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 __mulodi4 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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extern COMPILER_RT_ABI di_int __mulodi4(di_int a, di_int b, int* overflow);
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int test__mulodi4(di_int a, di_int b, di_int expected, int expected_overflow)
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{
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int ov;
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di_int x = __mulodi4(a, b, &ov);
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if (ov != expected_overflow)
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printf("error in __mulodi4: overflow=%d expected=%d\n",
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ov, expected_overflow);
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else if (!expected_overflow && x != expected) {
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printf("error in __mulodi4: 0x%llX * 0x%llX = 0x%llX (overflow=%d), "
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"expected 0x%llX (overflow=%d)\n",
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a, b, x, ov, expected, expected_overflow);
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return 1;
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}
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return 0;
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}
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int main()
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{
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if (test__mulodi4(0, 0, 0, 0))
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return 1;
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if (test__mulodi4(0, 1, 0, 0))
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return 1;
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if (test__mulodi4(1, 0, 0, 0))
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return 1;
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if (test__mulodi4(0, 10, 0, 0))
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return 1;
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if (test__mulodi4(10, 0, 0, 0))
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return 1;
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if (test__mulodi4(0, 81985529216486895LL, 0, 0))
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return 1;
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if (test__mulodi4(81985529216486895LL, 0, 0, 0))
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return 1;
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if (test__mulodi4(0, -1, 0, 0))
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return 1;
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if (test__mulodi4(-1, 0, 0, 0))
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return 1;
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if (test__mulodi4(0, -10, 0, 0))
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return 1;
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if (test__mulodi4(-10, 0, 0, 0))
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return 1;
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if (test__mulodi4(0, -81985529216486895LL, 0, 0))
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return 1;
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if (test__mulodi4(-81985529216486895LL, 0, 0, 0))
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return 1;
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if (test__mulodi4(1, 1, 1, 0))
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return 1;
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if (test__mulodi4(1, 10, 10, 0))
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return 1;
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if (test__mulodi4(10, 1, 10, 0))
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return 1;
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if (test__mulodi4(1, 81985529216486895LL, 81985529216486895LL, 0))
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return 1;
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if (test__mulodi4(81985529216486895LL, 1, 81985529216486895LL, 0))
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return 1;
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if (test__mulodi4(1, -1, -1, 0))
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return 1;
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if (test__mulodi4(1, -10, -10, 0))
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return 1;
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if (test__mulodi4(-10, 1, -10, 0))
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return 1;
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if (test__mulodi4(1, -81985529216486895LL, -81985529216486895LL, 0))
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return 1;
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if (test__mulodi4(-81985529216486895LL, 1, -81985529216486895LL, 0))
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return 1;
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if (test__mulodi4(3037000499LL, 3037000499LL, 9223372030926249001LL, 0))
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return 1;
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if (test__mulodi4(-3037000499LL, 3037000499LL, -9223372030926249001LL, 0))
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return 1;
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if (test__mulodi4(3037000499LL, -3037000499LL, -9223372030926249001LL, 0))
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return 1;
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if (test__mulodi4(-3037000499LL, -3037000499LL, 9223372030926249001LL, 0))
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return 1;
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if (test__mulodi4(4398046511103LL, 2097152LL, 9223372036852678656LL, 0))
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return 1;
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if (test__mulodi4(-4398046511103LL, 2097152LL, -9223372036852678656LL, 0))
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return 1;
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if (test__mulodi4(4398046511103LL, -2097152LL, -9223372036852678656LL, 0))
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return 1;
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if (test__mulodi4(-4398046511103LL, -2097152LL, 9223372036852678656LL, 0))
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return 1;
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if (test__mulodi4(2097152LL, 4398046511103LL, 9223372036852678656LL, 0))
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return 1;
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if (test__mulodi4(-2097152LL, 4398046511103LL, -9223372036852678656LL, 0))
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return 1;
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if (test__mulodi4(2097152LL, -4398046511103LL, -9223372036852678656LL, 0))
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return 1;
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if (test__mulodi4(-2097152LL, -4398046511103LL, 9223372036852678656LL, 0))
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return 1;
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if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, -2, 2, 1))
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return 1;
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if (test__mulodi4(-2, 0x7FFFFFFFFFFFFFFFLL, 2, 1))
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return 1;
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if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, -1, 0x8000000000000001LL, 0))
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return 1;
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if (test__mulodi4(-1, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL, 0))
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return 1;
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if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, 0, 0, 0))
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return 1;
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if (test__mulodi4(0, 0x7FFFFFFFFFFFFFFFLL, 0, 0))
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return 1;
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if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, 1, 0x7FFFFFFFFFFFFFFFLL, 0))
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return 1;
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if (test__mulodi4(1, 0x7FFFFFFFFFFFFFFFLL, 0x7FFFFFFFFFFFFFFFLL, 0))
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return 1;
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if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, 2, 0x8000000000000001LL, 1))
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return 1;
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if (test__mulodi4(2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL, 1))
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return 1;
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if (test__mulodi4(0x8000000000000000LL, -2, 0x8000000000000000LL, 1))
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return 1;
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if (test__mulodi4(-2, 0x8000000000000000LL, 0x8000000000000000LL, 1))
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return 1;
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if (test__mulodi4(0x8000000000000000LL, -1, 0x8000000000000000LL, 1))
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return 1;
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if (test__mulodi4(-1, 0x8000000000000000LL, 0x8000000000000000LL, 1))
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return 1;
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if (test__mulodi4(0x8000000000000000LL, 0, 0, 0))
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return 1;
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if (test__mulodi4(0, 0x8000000000000000LL, 0, 0))
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return 1;
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if (test__mulodi4(0x8000000000000000LL, 1, 0x8000000000000000LL, 0))
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return 1;
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if (test__mulodi4(1, 0x8000000000000000LL, 0x8000000000000000LL, 0))
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return 1;
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if (test__mulodi4(0x8000000000000000LL, 2, 0x8000000000000000LL, 1))
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return 1;
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if (test__mulodi4(2, 0x8000000000000000LL, 0x8000000000000000LL, 1))
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return 1;
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if (test__mulodi4(0x8000000000000001LL, -2, 0x8000000000000001LL, 1))
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return 1;
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if (test__mulodi4(-2, 0x8000000000000001LL, 0x8000000000000001LL, 1))
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return 1;
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if (test__mulodi4(0x8000000000000001LL, -1, 0x7FFFFFFFFFFFFFFFLL, 0))
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return 1;
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if (test__mulodi4(-1, 0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL, 0))
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return 1;
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if (test__mulodi4(0x8000000000000001LL, 0, 0, 0))
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return 1;
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if (test__mulodi4(0, 0x8000000000000001LL, 0, 0))
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return 1;
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if (test__mulodi4(0x8000000000000001LL, 1, 0x8000000000000001LL, 0))
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return 1;
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if (test__mulodi4(1, 0x8000000000000001LL, 0x8000000000000001LL, 0))
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return 1;
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if (test__mulodi4(0x8000000000000001LL, 2, 0x8000000000000000LL, 1))
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return 1;
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if (test__mulodi4(2, 0x8000000000000001LL, 0x8000000000000000LL, 1))
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return 1;
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return 0;
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}
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