libgomp/testsuite/libgomp.c/loop-5.c

   1 #include <omp.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 int
   6 test1 (void)
   7 {
   8   short int buf[64], *p;
   9   int i;
  10   memset (buf, '\0', sizeof (buf));
  11 #pragma omp parallel for
  12   for (p = &buf[10]; p < &buf[54]; p++)
  13     *p = 5;
  14   for (i = 0; i < 64; i++)
  15     if (buf[i] != 5 * (i >= 10 && i < 54))
  16       abort ();
  17   memset (buf, '\0', sizeof (buf));
  18 #pragma omp parallel for
  19   for (p = &buf[3]; p <= &buf[63]; p += 2)
  20     p[-2] = 6;
  21   for (i = 0; i < 64; i++)
  22     if (buf[i] != 6 * ((i & 1) && i <= 61))
  23       abort ();
  24   memset (buf, '\0', sizeof (buf));
  25 #pragma omp parallel for
  26   for (p = &buf[16]; p < &buf[51]; p = 4 + p)
  27     p[2] = 7;
  28   for (i = 0; i < 64; i++)
  29     if (buf[i] != 7 * ((i & 3) == 2 && i >= 18 && i < 53))
  30       abort ();
  31   memset (buf, '\0', sizeof (buf));
  32 #pragma omp parallel for
  33   for (p = &buf[16]; p <= &buf[40]; p = p + 4ULL)
  34     p[2] = -7;
  35   for (i = 0; i < 64; i++)
  36     if (buf[i] != -7 * ((i & 3) == 2 && i >= 18 && i <= 42))
  37       abort ();
  38   memset (buf, '\0', sizeof (buf));
  39 #pragma omp parallel for
  40   for (p = &buf[53]; p > &buf[9]; --p)
  41     *p = 5;
  42   for (i = 0; i < 64; i++)
  43     if (buf[i] != 5 * (i >= 10 && i < 54))
  44       abort ();
  45   memset (buf, '\0', sizeof (buf));
  46 #pragma omp parallel for
  47   for (p = &buf[63]; p >= &buf[3]; p -= 2)
  48     p[-2] = 6;
  49   for (i = 0; i < 64; i++)
  50     if (buf[i] != 6 * ((i & 1) && i <= 61))
  51       abort ();
  52   memset (buf, '\0', sizeof (buf));
  53 #pragma omp parallel for
  54   for (p = &buf[48]; p > &buf[15]; p = -4 + p)
  55     p[2] = 7;
  56   for (i = 0; i < 64; i++)
  57     if (buf[i] != 7 * ((i & 3) == 2 && i >= 18 && i < 53))
  58       abort ();
  59   memset (buf, '\0', sizeof (buf));
  60 #pragma omp parallel for
  61   for (p = &buf[40]; p >= &buf[16]; p = p - 4ULL)
  62     p[2] = -7;
  63   for (i = 0; i < 64; i++)
  64     if (buf[i] != -7 * ((i & 3) == 2 && i >= 18 && i <= 42))
  65       abort ();
  66   return 0;
  67 }
  68
  69 int
  70 test2 (void)
  71 {
  72   int buf[64], *p;
  73   int i;
  74   memset (buf, '\0', sizeof (buf));
  75 #pragma omp parallel for schedule (static, 3)
  76   for (p = &buf[10]; p < &buf[54]; p++)
  77     *p = 5;
  78   for (i = 0; i < 64; i++)
  79     if (buf[i] != 5 * (i >= 10 && i < 54))
  80       abort ();
  81   memset (buf, '\0', sizeof (buf));
  82 #pragma omp parallel for schedule (static, 3)
  83   for (p = &buf[3]; p <= &buf[63]; p += 2)
  84     p[-2] = 6;
  85   for (i = 0; i < 64; i++)
  86     if (buf[i] != 6 * ((i & 1) && i <= 61))
  87       abort ();
  88   memset (buf, '\0', sizeof (buf));
  89 #pragma omp parallel for schedule (static, 3)
  90   for (p = &buf[16]; p < &buf[51]; p = 4 + p)
  91     p[2] = 7;
  92   for (i = 0; i < 64; i++)
  93     if (buf[i] != 7 * ((i & 3) == 2 && i >= 18 && i < 53))
  94       abort ();
  95   memset (buf, '\0', sizeof (buf));
  96 #pragma omp parallel for schedule (static, 3)
  97   for (p = &buf[16]; p <= &buf[40]; p = p + 4ULL)
  98     p[2] = -7;
  99   for (i = 0; i < 64; i++)
 100     if (buf[i] != -7 * ((i & 3) == 2 && i >= 18 && i <= 42))
 101       abort ();
 102   memset (buf, '\0', sizeof (buf));
 103 #pragma omp parallel for schedule (static, 3)
 104   for (p = &buf[53]; p > &buf[9]; --p)
 105     *p = 5;
 106   for (i = 0; i < 64; i++)
 107     if (buf[i] != 5 * (i >= 10 && i < 54))
 108       abort ();
 109   memset (buf, '\0', sizeof (buf));
 110 #pragma omp parallel for schedule (static, 3)
 111   for (p = &buf[63]; p >= &buf[3]; p -= 2)
 112     p[-2] = 6;
 113   for (i = 0; i < 64; i++)
 114     if (buf[i] != 6 * ((i & 1) && i <= 61))
 115       abort ();
 116   memset (buf, '\0', sizeof (buf));
 117 #pragma omp parallel for schedule (static, 3)
 118   for (p = &buf[48]; p > &buf[15]; p = -4 + p)
 119     p[2] = 7;
 120   for (i = 0; i < 64; i++)
 121     if (buf[i] != 7 * ((i & 3) == 2 && i >= 18 && i < 53))
 122       abort ();
 123   memset (buf, '\0', sizeof (buf));
 124 #pragma omp parallel for schedule (static, 3)
 125   for (p = &buf[40]; p >= &buf[16]; p = p - 4ULL)
 126     p[2] = -7;
 127   for (i = 0; i < 64; i++)
 128     if (buf[i] != -7 * ((i & 3) == 2 && i >= 18 && i <= 42))
 129       abort ();
 130   return 0;
 131 }
 132
 133 int
 134 test3 (void)
 135 {
 136   int buf[64], *p;
 137   int i;
 138   memset (buf, '\0', sizeof (buf));
 139 #pragma omp parallel for schedule (dynamic, 3)
 140   for (p = &buf[10]; p < &buf[54]; p++)
 141     *p = 5;
 142   for (i = 0; i < 64; i++)
 143     if (buf[i] != 5 * (i >= 10 && i < 54))
 144       abort ();
 145   memset (buf, '\0', sizeof (buf));
 146 #pragma omp parallel for schedule (dynamic, 3)
 147   for (p = &buf[3]; p <= &buf[63]; p += 2)
 148     p[-2] = 6;
 149   for (i = 0; i < 64; i++)
 150     if (buf[i] != 6 * ((i & 1) && i <= 61))
 151       abort ();
 152   memset (buf, '\0', sizeof (buf));
 153 #pragma omp parallel for schedule (dynamic, 3)
 154   for (p = &buf[16]; p < &buf[51]; p = 4 + p)
 155     p[2] = 7;
 156   for (i = 0; i < 64; i++)
 157     if (buf[i] != 7 * ((i & 3) == 2 && i >= 18 && i < 53))
 158       abort ();
 159   memset (buf, '\0', sizeof (buf));
 160 #pragma omp parallel for schedule (dynamic, 3)
 161   for (p = &buf[16]; p <= &buf[40]; p = p + 4ULL)
 162     p[2] = -7;
 163   for (i = 0; i < 64; i++)
 164     if (buf[i] != -7 * ((i & 3) == 2 && i >= 18 && i <= 42))
 165       abort ();
 166   memset (buf, '\0', sizeof (buf));
 167 #pragma omp parallel for schedule (dynamic, 3)
 168   for (p = &buf[53]; p > &buf[9]; --p)
 169     *p = 5;
 170   for (i = 0; i < 64; i++)
 171     if (buf[i] != 5 * (i >= 10 && i < 54))
 172       abort ();
 173   memset (buf, '\0', sizeof (buf));
 174 #pragma omp parallel for schedule (dynamic, 3)
 175   for (p = &buf[63]; p >= &buf[3]; p -= 2)
 176     p[-2] = 6;
 177   for (i = 0; i < 64; i++)
 178     if (buf[i] != 6 * ((i & 1) && i <= 61))
 179       abort ();
 180   memset (buf, '\0', sizeof (buf));
 181 #pragma omp parallel for schedule (dynamic, 3)
 182   for (p = &buf[48]; p > &buf[15]; p = -4 + p)
 183     p[2] = 7;
 184   for (i = 0; i < 64; i++)
 185     if (buf[i] != 7 * ((i & 3) == 2 && i >= 18 && i < 53))
 186       abort ();
 187   memset (buf, '\0', sizeof (buf));
 188 #pragma omp parallel for schedule (dynamic, 3)
 189   for (p = &buf[40]; p >= &buf[16]; p = p - 4ULL)
 190     p[2] = -7;
 191   for (i = 0; i < 64; i++)
 192     if (buf[i] != -7 * ((i & 3) == 2 && i >= 18 && i <= 42))
 193       abort ();
 194   return 0;
 195 }
 196
 197 int
 198 test4 (void)
 199 {
 200   int buf[64], *p;
 201   int i;
 202   memset (buf, '\0', sizeof (buf));
 203 #pragma omp parallel for schedule (runtime)
 204   for (p = &buf[10]; p < &buf[54]; p++)
 205     *p = 5;
 206   for (i = 0; i < 64; i++)
 207     if (buf[i] != 5 * (i >= 10 && i < 54))
 208       abort ();
 209   memset (buf, '\0', sizeof (buf));
 210 #pragma omp parallel for schedule (runtime)
 211   for (p = &buf[3]; p <= &buf[63]; p += 2)
 212     p[-2] = 6;
 213   for (i = 0; i < 64; i++)
 214     if (buf[i] != 6 * ((i & 1) && i <= 61))
 215       abort ();
 216   memset (buf, '\0', sizeof (buf));
 217 #pragma omp parallel for schedule (runtime)
 218   for (p = &buf[16]; p < &buf[51]; p = 4 + p)
 219     p[2] = 7;
 220   for (i = 0; i < 64; i++)
 221     if (buf[i] != 7 * ((i & 3) == 2 && i >= 18 && i < 53))
 222       abort ();
 223   memset (buf, '\0', sizeof (buf));
 224 #pragma omp parallel for schedule (runtime)
 225   for (p = &buf[16]; p <= &buf[40]; p = p + 4ULL)
 226     p[2] = -7;
 227   for (i = 0; i < 64; i++)
 228     if (buf[i] != -7 * ((i & 3) == 2 && i >= 18 && i <= 42))
 229       abort ();
 230   memset (buf, '\0', sizeof (buf));
 231 #pragma omp parallel for schedule (runtime)
 232   for (p = &buf[53]; p > &buf[9]; --p)
 233     *p = 5;
 234   for (i = 0; i < 64; i++)
 235     if (buf[i] != 5 * (i >= 10 && i < 54))
 236       abort ();
 237   memset (buf, '\0', sizeof (buf));
 238 #pragma omp parallel for schedule (runtime)
 239   for (p = &buf[63]; p >= &buf[3]; p -= 2)
 240     p[-2] = 6;
 241   for (i = 0; i < 64; i++)
 242     if (buf[i] != 6 * ((i & 1) && i <= 61))
 243       abort ();
 244   memset (buf, '\0', sizeof (buf));
 245 #pragma omp parallel for schedule (runtime)
 246   for (p = &buf[48]; p > &buf[15]; p = -4 + p)
 247     p[2] = 7;
 248   for (i = 0; i < 64; i++)
 249     if (buf[i] != 7 * ((i & 3) == 2 && i >= 18 && i < 53))
 250       abort ();
 251   memset (buf, '\0', sizeof (buf));
 252 #pragma omp parallel for schedule (runtime)
 253   for (p = &buf[40]; p >= &buf[16]; p = p - 4ULL)
 254     p[2] = -7;
 255   for (i = 0; i < 64; i++)
 256     if (buf[i] != -7 * ((i & 3) == 2 && i >= 18 && i <= 42))
 257       abort ();
 258   return 0;
 259 }
 260
 261 int
 262 main (void)
 263 {
 264   test1 ();
 265   test2 ();
 266   test3 ();
 267   omp_set_schedule (omp_sched_static, 0);
 268   test4 ();
 269   omp_set_schedule (omp_sched_static, 3);
 270   test4 ();
 271   omp_set_schedule (omp_sched_dynamic, 5);
 272   test4 ();
 273   omp_set_schedule (omp_sched_guided, 2);
 274   test4 ();
 275   return 0;
 276 }