| //===-- mulodi4_test.c - Test __mulodi4 -----------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file tests __mulodi4 for the compiler_rt library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "int_lib.h" |
| #include <stdio.h> |
| |
| extern di_int __mulodi4(di_int a, di_int b, int* overflow); |
| |
| int test__mulodi4(di_int a, di_int b, di_int expected, int expected_overflow) |
| { |
| int ov; |
| di_int x = __mulodi4(a, b, &ov); |
| if (ov != expected_overflow) |
| printf("error in __mulodi4: overflow=%d expected=%d\n", |
| ov, expected_overflow); |
| else if (!expected_overflow && x != expected) { |
| printf("error in __mulodi4: 0x%llX * 0x%llX = 0x%llX (overflow=%d), " |
| "expected 0x%llX (overflow=%d)\n", |
| a, b, x, ov, expected, expected_overflow); |
| return 1; |
| } |
| return 0; |
| } |
| |
| int main() |
| { |
| if (test__mulodi4(0, 0, 0, 0)) |
| return 1; |
| if (test__mulodi4(0, 1, 0, 0)) |
| return 1; |
| if (test__mulodi4(1, 0, 0, 0)) |
| return 1; |
| if (test__mulodi4(0, 10, 0, 0)) |
| return 1; |
| if (test__mulodi4(10, 0, 0, 0)) |
| return 1; |
| if (test__mulodi4(0, 81985529216486895LL, 0, 0)) |
| return 1; |
| if (test__mulodi4(81985529216486895LL, 0, 0, 0)) |
| return 1; |
| |
| if (test__mulodi4(0, -1, 0, 0)) |
| return 1; |
| if (test__mulodi4(-1, 0, 0, 0)) |
| return 1; |
| if (test__mulodi4(0, -10, 0, 0)) |
| return 1; |
| if (test__mulodi4(-10, 0, 0, 0)) |
| return 1; |
| if (test__mulodi4(0, -81985529216486895LL, 0, 0)) |
| return 1; |
| if (test__mulodi4(-81985529216486895LL, 0, 0, 0)) |
| return 1; |
| |
| if (test__mulodi4(1, 1, 1, 0)) |
| return 1; |
| if (test__mulodi4(1, 10, 10, 0)) |
| return 1; |
| if (test__mulodi4(10, 1, 10, 0)) |
| return 1; |
| if (test__mulodi4(1, 81985529216486895LL, 81985529216486895LL, 0)) |
| return 1; |
| if (test__mulodi4(81985529216486895LL, 1, 81985529216486895LL, 0)) |
| return 1; |
| |
| if (test__mulodi4(1, -1, -1, 0)) |
| return 1; |
| if (test__mulodi4(1, -10, -10, 0)) |
| return 1; |
| if (test__mulodi4(-10, 1, -10, 0)) |
| return 1; |
| if (test__mulodi4(1, -81985529216486895LL, -81985529216486895LL, 0)) |
| return 1; |
| if (test__mulodi4(-81985529216486895LL, 1, -81985529216486895LL, 0)) |
| return 1; |
| |
| if (test__mulodi4(3037000499LL, 3037000499LL, 9223372030926249001LL, 0)) |
| return 1; |
| if (test__mulodi4(-3037000499LL, 3037000499LL, -9223372030926249001LL, 0)) |
| return 1; |
| if (test__mulodi4(3037000499LL, -3037000499LL, -9223372030926249001LL, 0)) |
| return 1; |
| if (test__mulodi4(-3037000499LL, -3037000499LL, 9223372030926249001LL, 0)) |
| return 1; |
| |
| if (test__mulodi4(4398046511103LL, 2097152LL, 9223372036852678656LL, 0)) |
| return 1; |
| if (test__mulodi4(-4398046511103LL, 2097152LL, -9223372036852678656LL, 0)) |
| return 1; |
| if (test__mulodi4(4398046511103LL, -2097152LL, -9223372036852678656LL, 0)) |
| return 1; |
| if (test__mulodi4(-4398046511103LL, -2097152LL, 9223372036852678656LL, 0)) |
| return 1; |
| |
| if (test__mulodi4(2097152LL, 4398046511103LL, 9223372036852678656LL, 0)) |
| return 1; |
| if (test__mulodi4(-2097152LL, 4398046511103LL, -9223372036852678656LL, 0)) |
| return 1; |
| if (test__mulodi4(2097152LL, -4398046511103LL, -9223372036852678656LL, 0)) |
| return 1; |
| if (test__mulodi4(-2097152LL, -4398046511103LL, 9223372036852678656LL, 0)) |
| return 1; |
| |
| if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, -2, 2, 1)) |
| return 1; |
| if (test__mulodi4(-2, 0x7FFFFFFFFFFFFFFFLL, 2, 1)) |
| return 1; |
| if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, -1, 0x8000000000000001LL, 0)) |
| return 1; |
| if (test__mulodi4(-1, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL, 0)) |
| return 1; |
| if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, 0, 0, 0)) |
| return 1; |
| if (test__mulodi4(0, 0x7FFFFFFFFFFFFFFFLL, 0, 0)) |
| return 1; |
| if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, 1, 0x7FFFFFFFFFFFFFFFLL, 0)) |
| return 1; |
| if (test__mulodi4(1, 0x7FFFFFFFFFFFFFFFLL, 0x7FFFFFFFFFFFFFFFLL, 0)) |
| return 1; |
| if (test__mulodi4(0x7FFFFFFFFFFFFFFFLL, 2, 0x8000000000000001LL, 1)) |
| return 1; |
| if (test__mulodi4(2, 0x7FFFFFFFFFFFFFFFLL, 0x8000000000000001LL, 1)) |
| return 1; |
| |
| if (test__mulodi4(0x8000000000000000LL, -2, 0x8000000000000000LL, 1)) |
| return 1; |
| if (test__mulodi4(-2, 0x8000000000000000LL, 0x8000000000000000LL, 1)) |
| return 1; |
| if (test__mulodi4(0x8000000000000000LL, -1, 0x8000000000000000LL, 1)) |
| return 1; |
| if (test__mulodi4(-1, 0x8000000000000000LL, 0x8000000000000000LL, 1)) |
| return 1; |
| if (test__mulodi4(0x8000000000000000LL, 0, 0, 0)) |
| return 1; |
| if (test__mulodi4(0, 0x8000000000000000LL, 0, 0)) |
| return 1; |
| if (test__mulodi4(0x8000000000000000LL, 1, 0x8000000000000000LL, 0)) |
| return 1; |
| if (test__mulodi4(1, 0x8000000000000000LL, 0x8000000000000000LL, 0)) |
| return 1; |
| if (test__mulodi4(0x8000000000000000LL, 2, 0x8000000000000000LL, 1)) |
| return 1; |
| if (test__mulodi4(2, 0x8000000000000000LL, 0x8000000000000000LL, 1)) |
| return 1; |
| |
| if (test__mulodi4(0x8000000000000001LL, -2, 0x8000000000000001LL, 1)) |
| return 1; |
| if (test__mulodi4(-2, 0x8000000000000001LL, 0x8000000000000001LL, 1)) |
| return 1; |
| if (test__mulodi4(0x8000000000000001LL, -1, 0x7FFFFFFFFFFFFFFFLL, 0)) |
| return 1; |
| if (test__mulodi4(-1, 0x8000000000000001LL, 0x7FFFFFFFFFFFFFFFLL, 0)) |
| return 1; |
| if (test__mulodi4(0x8000000000000001LL, 0, 0, 0)) |
| return 1; |
| if (test__mulodi4(0, 0x8000000000000001LL, 0, 0)) |
| return 1; |
| if (test__mulodi4(0x8000000000000001LL, 1, 0x8000000000000001LL, 0)) |
| return 1; |
| if (test__mulodi4(1, 0x8000000000000001LL, 0x8000000000000001LL, 0)) |
| return 1; |
| if (test__mulodi4(0x8000000000000001LL, 2, 0x8000000000000000LL, 1)) |
| return 1; |
| if (test__mulodi4(2, 0x8000000000000001LL, 0x8000000000000000LL, 1)) |
| return 1; |
| |
| return 0; |
| } |
