1/* Preprocessor arithmetic semantic tests. */ 2 3/* Copyright (C) 2002 Free Software Foundation, Inc. */ 4/* Source: Neil Booth, 25 May 2002. */ 5 6/* The file tests all aspects of preprocessor arithmetic that are 7 independent of target precision. */ 8 9/* { dg-do preprocess } */ 10/* { dg-options "" } */ 11 12/* Test || operator and its short circuiting. */ 13#if 0 || 0 14# error /* { dg-bogus "error" } */ 15#endif 16 17#if 5 || 0 18#else 19# error /* { dg-bogus "error" } */ 20#endif 21 22#if 0 || 1 23#else 24# error /* { dg-bogus "error" } */ 25#endif 26 27#if 1 || 4 28#else 29# error /* { dg-bogus "error" } */ 30#endif 31 32#if 1 || (8 / 0) /* { dg-bogus "division by zero" } */ 33#else 34# error /* { dg-bogus "error" } */ 35#endif 36 37#if 1 || (1 << 256) /* { dg-bogus "overflow" } */ 38#endif 39 40/* Test && operator and its short circuiting. */ 41#if (0 && 0) || (0 && 1) || (1 && 0) 42# error /* { dg-bogus "error" } */ 43#endif 44 45#if 1 && 2 46#else 47# error /* { dg-bogus "error" } */ 48#endif 49 50#if 0 && (8 / 0)/* { dg-bogus "division by zero" } */ 51# error /* { dg-bogus "error" } */ 52#endif 53 54#if 0 && (1 << 256) /* { dg-bogus "overflow" } */ 55#endif 56 57/* Test == and != operators, and their signedness. */ 58#if 1 == 0 || 0 == 1 || 20 != 0x014 || 142 != 0216 59# error /* { dg-bogus "error" } */ 60#endif 61 62#if (1 == 1) - 2 > 0 || (1U != 1U) - 2 > 0 63# error /* { dg-bogus "error" } */ 64#endif 65 66/* Test ? : operator, its short circuiting, and its signedness. */ 67#if (1 ? 3: 5) != 3 || (0 ? 3: 5) != 5 68# error /* { dg-bogus "error" } */ 69#endif 70 71#if 1 ? 0: 1 / 0 /* { dg-bogus "division by zero" } */ 72# error /* { dg-bogus "error" } */ 73#endif 74 75#if 0 ? 1 / 0: 0 /* { dg-bogus "division by zero" } */ 76# error /* { dg-bogus "error" } */ 77#endif 78 79#if 0 ? (1 << 256): 0 /* { dg-bogus "overflow" } */ 80#endif 81 82#if 1 ? 0: (1 << 256) /* { dg-bogus "overflow" } */ 83#endif 84 85/* Test unary + and its signedness. */ 86 87#if 23 != +23 || 23 != + +23 88# error /* { dg-bogus "error" } */ 89#endif 90 91#if (+1 - 2) > 0 || (+1U - 2) < 0 92# error /* { dg-bogus "error" } */ 93#endif 94 95/* Test unary - and its signedness. */ 96 97#if -1 + 1 != 0 98# error /* { dg-bogus "error" } */ 99#endif 100 101#if -1 >= 0 || -1U <= 0 102# error /* { dg-bogus "error" } */ 103#endif 104 105/* Test unary ! and its signedness. */ 106#if !5 != 0 || !1 != 0 || !0 != 1 107# error /* { dg-bogus "error" } */ 108#endif 109 110#if !5 - 1 > 0 || !5U - 1 > 0 111# error /* { dg-bogus "error" } */ 112#endif 113 114/* Test unary ~ and its signedness. */ 115#if ~0 != -1 || ~~5 != 5 || ~-2 != 1 116# error /* { dg-bogus "error" } */ 117#endif 118 119#if ~5 > 0 || ~5U < 0 120# error /* { dg-bogus "error" } */ 121#endif 122 123/* Test comparison operators and their signedness. */ 124#if 1 >= 1 && 2 >= 1 && -1 >= -1 && -1 >= -2 && 1 >= -1 && 1 >= -2 \ 125 && !(-2 >= -1) && !(2 >= 3) && -1U >= 2 && !(-1 >= 1) 126#else 127# error /* { dg-bogus "error" } */ 128#endif 129 130#if ((1 > 0) - 2) > 0 || ((1U > 0) - 2) > 0 131# error /* { dg-bogus "error" } */ 132#endif 133 134#if !(1 > 1) && 2 > 1 && !(-1 > -1) && -1 > -2 && 1 > -1 && 1 > -2 \ 135 && !(-2 > -1) && !(2 > 3) && -1U > 2 && !(-1 > 1) 136#else 137# error /* { dg-bogus "error" } */ 138#endif 139 140#if ((1 >= 0) - 2) > 0 || ((1U >= 0) - 2) > 0 141# error /* { dg-bogus "error" } */ 142#endif 143 144#if 1 <= 1 && !(2 <= 1) && -1 <= -1 && !(-1 <= -2) && !(1 <= -1) && !(1 <= -2) \ 145 && -2 <= -1 && 2 <= 3 && !(-1U <= 2) && -1 <= 1 146#else 147# error /* { dg-bogus "error" } */ 148#endif 149 150#if ((1 <= 0) - 2) > 0 || ((1U <= 0) - 2) > 0 151# error /* { dg-bogus "error" } */ 152#endif 153 154#if !(1 < 1) && !(2 < 1) && !(-1 < -1) && !(-1 < -2) && !(1 < -1) && !(1 < -2) \ 155 && -2 < -1 && 2 < 3 && !(-1U < 2) && -1 < 1 156#else 157# error /* { dg-bogus "error" } */ 158#endif 159 160#if ((1 < 0) - 2) > 0 || ((1U < 0) - 2) > 0 161# error /* { dg-bogus "error" } */ 162#endif 163 164/* Test bitwise operators and their signedness. */ 165#if (3 & 7) != 3 || (-1 & 34) != 34 166# error /* { dg-bogus "error" } */ 167#endif 168 169#if (3 & 7) - 20 > 0 || (3 & 7U) - 20 < 0 170# error /* { dg-bogus "error" } */ 171#endif 172 173#if (3 | 5) != 7 || (-1 | 34) != -1 174# error /* { dg-bogus "error" } */ 175#endif 176 177#if (3 | 7) - 20 > 0 || (3 | 7U) - 20 < 0 178# error /* { dg-bogus "error" } */ 179#endif 180 181#if (7 ^ 5) != 2 || (-1 ^ 34) != ~34 182# error /* { dg-bogus "error" } */ 183#endif 184 185#if (3 ^ 7) - 20 > 0 || (3 ^ 7U) - 20 < 0 186# error /* { dg-bogus "error" } */ 187#endif 188 189/* Test shifts and their signedness. */ 190#if 3 << 2 != 12 || 3 << -2 != 0 || -1 << 1 != -2 191# error /* { dg-bogus "error" } */ 192#endif 193 194#if 5 >> 1 != 2 || 5 >> -2 != 20 || -5 >> 1 != -3 195# error /* { dg-bogus "error" } */ 196#endif 197 198#if (5 >> 2) - 2 >= 0 || (5U >> 2) - 2 <= 0 199# error /* { dg-bogus "error" } */ 200#endif 201 202#if (5 << 1) - 20 >= 0 || (5U << 1) - 20 <= 0 203# error /* { dg-bogus "error" } */ 204#endif 205 206#if 0 207/* Test min / max and their signedness. */ 208#if (3 >? 2) != 3 || (-3 >? -2) != -2 209# error /* { dg-bogus "error" } */ 210#endif 211 212#if (3 <? 2) != 2 || (-3 <? -2) != -3 213# error /* { dg-bogus "error" } */ 214#endif 215 216#if (3 >? 2) - 4 >= 0 || (3 >? 2U) - 4 <= 0 217# error /* { dg-bogus "error" } */ 218#endif 219 220#if (3 <? 2) - 4 >= 0 || (3 <? 2U) - 4 <= 0 221# error /* { dg-bogus "error" } */ 222#endif 223#endif 224 225/* Test *, / and % and their signedness. */ 226#if 3 * 2 != 6 || 3 * -2 != -6 || -2 * 3 != -6 || -2 * -3 != 6 227# error /* { dg-bogus "error" } */ 228#endif 229 230#if 3 * 2 - 7 >= 0 || 3 * 2U - 7 < 0 231# error /* { dg-bogus "error" } */ 232#endif 233 234#if 5 / 2 != 2 || -325 / 50 != -6 || 53 / -4 != -13 || -55 / -12 != 4 235# error /* { dg-bogus "error" } */ 236#endif 237 238#if 3 / 2 - 7 >= 0 || 3 / 2U - 7 < 0 239# error /* { dg-bogus "error" } */ 240#endif 241 242#if 5 % 2 != 1 || -325 % 50 != -25 || 53 % -4 != 1 || -55 % -12 != -7 243# error /* { dg-bogus "error" } */ 244#endif 245 246#if 3 % 2 - 7 >= 0 || 3U % 2 - 7 < 0 247# error /* { dg-bogus "error" } */ 248#endif 249 250/* Test , and its signedness. */ 251#if (1, 2) != 2 || (2, 1) != 1 252# error /* { dg-bogus "error" } */ 253#endif 254 255#if (1, 2) - 3 >= 0 || (1, 2U) - 3 <= 0 || (1U, 2) - 3 >= 0 256# error /* { dg-bogus "error" } */ 257#endif 258