gcc/testsuite/gcc.target/aarch64/sve/slp_3_run.c

   1 /* { dg-do run { target aarch64_sve_hw } } */
   2 /* { dg-options "-O2 -ftree-vectorize" } */
   3
   4 #include "slp_3.c"
   5
   6 #define N (77 * 4)
   7
   8 #define HARNESS(TYPE)                                           \
   9   {                                                             \
  10     TYPE a[N], b[4] = { 41, 25, 31, 62 };                       \
  11     for (unsigned int i = 0; i < N; ++i)                        \
  12       {                                                         \
  13         a[i] = i * 2 + i % 5;                                   \
  14         asm volatile ("" ::: "memory");                         \
  15       }                                                         \
  16     vec_slp_##TYPE (a, N / 4);                                  \
  17     for (unsigned int i = 0; i < N; ++i)                        \
  18       {                                                         \
  19         TYPE orig = i * 2 + i % 5;                              \
  20         TYPE expected = orig + b[i % 4];                        \
  21         if (a[i] != expected)                                   \
  22           __builtin_abort ();                                   \
  23       }                                                         \
  24   }
  25
  26 int __attribute__ ((optimize (1)))
  27 main (void)
  28 {
  29   TEST_ALL (HARNESS)
  30 }