forked from OSchip/llvm-project
82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
// REQUIRES-ANY: arm-target-arch,armv6m-target-arch
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// RUN: %clang_builtins %s %librt -o %t && %run %t
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//===-- aeabi_idivmod_test.c - Test __aeabi_idivmod -----------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file tests __aeabi_idivmod 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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#if __arm__
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// Based on divmodsi4_test.c
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extern du_int __aeabi_idivmod(si_int a, si_int b);
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int test__aeabi_idivmod(si_int a, si_int b,
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si_int expected_result, si_int expected_rem)
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{
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si_int rem;
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du_int ret = __aeabi_idivmod(a, b);
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rem = ret >> 32;
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si_int result = ret & 0xFFFFFFFF;
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if (result != expected_result) {
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printf("error in __aeabi_idivmod: %d / %d = %d, expected %d\n",
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a, b, result, expected_result);
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return 1;
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}
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if (rem != expected_rem) {
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printf("error in __aeabi_idivmod: %d mod %d = %d, expected %d\n",
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a, b, rem, expected_rem);
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return 1;
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}
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return 0;
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}
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#endif
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int main()
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{
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#if __arm__
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if (test__aeabi_idivmod(0, 1, 0, 0))
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return 1;
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if (test__aeabi_idivmod(0, -1, 0, 0))
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return 1;
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if (test__aeabi_idivmod(2, 1, 2, 0))
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return 1;
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if (test__aeabi_idivmod(2, -1, -2, 0))
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return 1;
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if (test__aeabi_idivmod(-2, 1, -2, 0))
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return 1;
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if (test__aeabi_idivmod(-2, -1, 2, 0))
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return 1;
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if (test__aeabi_idivmod(7, 5, 1, 2))
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return 1;
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if (test__aeabi_idivmod(-7, 5, -1, -2))
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return 1;
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if (test__aeabi_idivmod(19, 5, 3, 4))
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return 1;
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if (test__aeabi_idivmod(19, -5, -3, 4))
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return 1;
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if (test__aeabi_idivmod(0x80000000, 8, 0xf0000000, 0))
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return 1;
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if (test__aeabi_idivmod(0x80000007, 8, 0xf0000001, -1))
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return 1;
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#else
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printf("skipped\n");
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#endif
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return 0;
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}
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