gcc/testsuite/gcc.target/aarch64/sve/reduc_strict_2_run.c

   1 /* { dg-do run { target { aarch64_sve_hw } } } */
   2 /* { dg-options "-O2 -ftree-vectorize -fno-inline" } */
   3
   4 #include "reduc_strict_2.c"
   5
   6 #define NROWS 5
   7
   8 #define TEST_REDUC_PLUS(TYPE)                                   \
   9   {                                                             \
  10     TYPE a[NROWS][NUM_ELEMS (TYPE)];                            \
  11     TYPE r[NROWS];                                              \
  12     TYPE expected[NROWS] = {};                                  \
  13     for (int i = 0; i < NROWS; ++i)                             \
  14       for (int j = 0; j < NUM_ELEMS (TYPE); ++j)                \
  15         {                                                       \
  16           a[i][j] = (i * 0.1 + j * 0.6) * (j & 1 ? 1 : -1);     \
  17           expected[i] += a[i][j];                               \
  18           asm volatile ("" ::: "memory");                       \
  19         }                                                       \
  20     reduc_plus_##TYPE (a, r, NROWS);                            \
  21     for (int i = 0; i < NROWS; ++i)                             \
  22       if (r[i] != expected[i])                                  \
  23         __builtin_abort ();                                     \
  24   }
  25
  26 int __attribute__ ((optimize (1)))
  27 main ()
  28 {
  29   TEST_ALL (TEST_REDUC_PLUS);
  30   return 0;
  31 }