49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* This program tests for a compiler bug that was found in the
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* arm-linux-androideabi-4.4.3 toolchain and fixed by the change at
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* https://review.source.android.com/#change,19474
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*
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* The bug generated an invalid sequence of thumb machine instructions
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* when signed chars were being used.
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*/
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#include <stdio.h>
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int test(signed char anim_col)
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{
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if (anim_col >= 31) {
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return 1;
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} else if (anim_col <= -15) {
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return -2;
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}
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return 0;
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}
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int main(void)
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{
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const int testval = -7;
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const int expected = 0;
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int ret = test(testval);
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if (ret != expected) {
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fprintf(stderr, "ERROR: test(%d) returned %d instead of %d\n",
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testval, ret, expected);
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return 1;
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}
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printf("OK: test(%d) returned %d\n", testval, expected);
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return 0;
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}
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