gcc/testsuite/gcc.target/sh/pr51244-17.c

   1 /* Check that no unnecessary zero extensions are done on values that are
   2    results of arithmetic with T bit inputs.  */
   3 /* { dg-do compile }  */
   4 /* { dg-options "-O1" } */
   5 /* { dg-skip-if "" { "sh*-*-*" } { "-m5*" } { "" } } */
   6 /* { dg-final { scan-assembler-not "extu|exts" } } */
   7
   8 int
   9 test00 (int a, int b, int c, int d)
  10 {
  11   int x = a == b;
  12   int y = c == 0;
  13   return x == y;
  14 }
  15
  16 int
  17 test01 (int a, int b, int c, int d)
  18 {
  19   int x = a == b;
  20   int y = c == d;
  21   return x == y;
  22 }
  23
  24 int
  25 test02 (int a, int b, int c, int d)
  26 {
  27   int x = a != b;
  28   int y = c == d;
  29   return x == y;
  30 }
  31
  32 int
  33 test03 (int a, int b, int c, int d)
  34 {
  35   int x = a != b;
  36   int y = c != d;
  37   return x == y;
  38 }
  39
  40 int
  41 test04 (int a, int b, int c, int d)
  42 {
  43   int x = a != b;
  44   int y = c != d;
  45   return x == y;
  46 }
  47
  48 int
  49 test05 (int a, int b, int c, int d)
  50 {
  51   int x = a == b;
  52   int y = c == 0;
  53   return x != y;
  54 }
  55
  56 int
  57 test06 (int a, int b, int c, int d)
  58 {
  59   int x = a == b;
  60   int y = c == 0;
  61   return x ^ y;
  62 }
  63
  64 int
  65 test07 (int a, int b, int c, int d)
  66 {
  67   int x = a == b;
  68   int y = c == 0;
  69   return x | y;
  70 }
  71
  72 int
  73 test08 (int a, int b, int c, int d)
  74 {
  75   int x = a == b;
  76   int y = c == 0;
  77   return x & y;
  78 }
  79
  80 int
  81 test09 (int a, int b, int c, int d)
  82 {
  83   int x = a == b;
  84   int y = c == d;
  85   return x != y;
  86 }
  87
  88 int
  89 test10 (int a, int b, int c, int d)
  90 {
  91   int x = a != b;
  92   int y = c == d;
  93   return x != y;
  94 }
  95
  96 int
  97 test11 (int a, int b, int c, int d)
  98 {
  99   int x = a != b;
 100   int y = c != d;
 101   return x != y;
 102 }
 103
 104 int
 105 test12 (int a, int b, int c, int d)
 106 {
 107   int x = a != b;
 108   int y = c != d;
 109   return x != y;
 110 }
 111
 112 int
 113 test13 (int a, int b, int c, int d, int e, int f)
 114 {
 115   int x = a == b;
 116   int y = c == 0;
 117   int z = d == e;
 118   return x == y || x == z;
 119 }
 120
 121 int
 122 test14 (int a, int b, int c, int d, int e, int f)
 123 {
 124   int x = a == b;
 125   int y = c == 0;
 126   int z = d == e;
 127   return x == y && x == z;
 128 }
 129
 130 int
 131 test15 (int a, int b, int c, int d, int e, int f)
 132 {
 133   int x = a != b;
 134   int y = c == 0;
 135   int z = d == e;
 136   return x == y || x == z;
 137 }
 138
 139 int
 140 test16 (int a, int b, int c, int d, int e, int f)
 141 {
 142   int x = a != b;
 143   int y = c == 0;
 144   int z = d == e;
 145   return x == y && x == z;
 146 }
 147
 148 int
 149 test17 (int a, int b, int c, int d, int e, int f)
 150 {
 151   int x = a != b;
 152   int y = c != 0;
 153   int z = d == e;
 154   return x == y || x == z;
 155 }
 156
 157 int
 158 test18 (int a, int b, int c, int d, int e, int f)
 159 {
 160   int x = a != b;
 161   int y = c != 0;
 162   int z = d == e;
 163   return x == y && x == z;
 164 }
 165
 166 int
 167 test19 (int a, int b, int c, int d, int e, int f)
 168 {
 169   int x = a != b;
 170   int y = c != 0;
 171   int z = d == e;
 172   return x == y || x == z;
 173 }
 174
 175 int
 176 test20 (int a, int b, int c, int d, int e, int f)
 177 {
 178   int x = a != b;
 179   int y = c != 0;
 180   int z = d != e;
 181   return x == y && x == z;
 182 }
 183
 184 int
 185 test21 (int a, int b, int c, int d)
 186 {
 187   int x = a == b;
 188   int y = c == 0;
 189   return x + y;
 190 }
 191
 192 int
 193 test22 (int a, int b, int c, int d)
 194 {
 195   int x = a != b;
 196   int y = c == 0;
 197   return x + y;
 198 }
 199
 200 int
 201 test23 (int a, int b, int c, int d)
 202 {
 203   int x = a != b;
 204   int y = c != 0;
 205   return x + y;
 206 }
 207
 208 int
 209 test24 (int a, int b, int c, int d)
 210 {
 211   int x = a == b;
 212   int y = c == 0;
 213   return x - y;
 214 }
 215
 216 int
 217 test25 (int a, int b, int c, int d)
 218 {
 219   int x = a != b;
 220   int y = c == 0;
 221   return x - y;
 222 }
 223
 224 int
 225 test26 (int a, int b, int c, int d)
 226 {
 227   int x = a != b;
 228   int y = c != 0;
 229   return x - y;
 230 }
 231
 232 int
 233 test27 (int a, int b, int c, int d)
 234 {
 235   int x = a == b;
 236   int y = c == 0;
 237   return x * y;
 238 }
 239
 240 int
 241 test28 (int a, int b, int c, int d)
 242 {
 243   int x = a != b;
 244   int y = c == 0;
 245   return x * y;
 246 }
 247
 248 int
 249 test29 (int a, int b, int c, int d)
 250 {
 251   int x = a != b;
 252   int y = c != 0;
 253   return x * y;
 254 }
 255
 256 int
 257 test30 (int a, int b)
 258 {
 259   return ((a & 0x7F) == 1)
 260           | ((a & 0xFF00) == 0x0200)
 261           | ((a & 0xFF0000) == 0x030000);
 262 }
 263
 264 int
 265 test31 (int a, int b)
 266 {
 267   return ((a & 0x7F) == 1)
 268           | ((a & 0xFF00) == 0x0200)
 269           | ((a & 0xFF0000) == 0x030000)
 270           | ((a & 0xFF000000) == 0x04000000);
 271 }
 272
 273 int
 274 test32 (int* a, int b, int c, volatile char* d)
 275 {
 276   d[1] = a[0] != 0;
 277   return b;
 278 }
 279
 280 int
 281 test33 (int* a, int b, int c, volatile char* d)
 282 {
 283   d[1] = a[0] == 0;
 284   return b;
 285 }
 286
 287 char
 288 test34 (int a, int* b)
 289 {
 290   return (b[4] & b[0] & a) == a;
 291 }
 292
 293 unsigned char
 294 test35 (int a, int* b)
 295 {
 296   return (b[4] & b[0] & a) == a;
 297 }