1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /* This program tests for a compiler bug that was found in the 18 * arm-linux-androideabi-4.4.3 toolchain and fixed by the change at 19 * https://review.source.android.com/#change,19474 20 * 21 * The bug generated an invalid sequence of thumb machine instructions 22 * when signed chars were being used. 23 */ 24 #include <stdio.h> 25 26 int test(signed char anim_col) 27 { 28 if (anim_col >= 31) { 29 return 1; 30 } else if (anim_col <= -15) { 31 return -2; 32 } 33 return 0; 34 } 35 36 int main(void) 37 { 38 const int testval = -7; 39 const int expected = 0; 40 int ret = test(testval); 41 42 if (ret != expected) { 43 fprintf(stderr, "ERROR: test(%d) returned %d instead of %d\n", 44 testval, ret, expected); 45 return 1; 46 } 47 printf("OK: test(%d) returned %d\n", testval, expected); 48 return 0; 49 } 50
