gcc/testsuite/gcc.target/aarch64/sve/struct_vect_19_run.c

   1 /* { dg-do run { target aarch64_sve_hw } } */
   2 /* { dg-options "-O2 -ftree-vectorize" } */
   3
   4 #include "struct_vect_19.c"
   5
   6 #define N 1000
   7
   8 #undef TEST_LOOP
   9 #define TEST_LOOP(NAME, TYPE)                   \
  10   {                                             \
  11     TYPE out[N];                                \
  12     TYPE in[N * 3];                             \
  13     int counts[] = { 0, 1, N - 1 };             \
  14     for (int j = 0; j < 3; ++j)                 \
  15       {                                         \
  16         int count = counts[j];                  \
  17         for (int i = 0; i < N; ++i)             \
  18           {                                     \
  19             out[i] = i * 7 / 2;                 \
  20             asm volatile ("" ::: "memory");     \
  21           }                                     \
  22         for (int i = 0; i < N * 3; ++i)         \
  23           {                                     \
  24             in[i] = i * 9 / 2;                  \
  25             asm volatile ("" ::: "memory");     \
  26           }                                     \
  27         NAME (out, in, count);                  \
  28         for (int i = 0; i < N; ++i)             \
  29           {                                     \
  30             TYPE expected = i * 7 / 2;          \
  31             if (i < count)                      \
  32               expected += in[i * 3];            \
  33             if (out[i] != expected)             \
  34               __builtin_abort ();               \
  35             asm volatile ("" ::: "memory");     \
  36           }                                     \
  37       }                                         \
  38   }
  39
  40 int __attribute__ ((optimize (1)))
  41 main (void)
  42 {
  43   TEST (test);
  44   return 0;
  45 }