gcc/testsuite/gcc.target/aarch64/sve/reduc_strict_1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-vectorize" } */
   3
   4 #define NUM_ELEMS(TYPE) ((int)(5 * (256 / sizeof (TYPE)) + 3))
   5
   6 #define DEF_REDUC_PLUS(TYPE)                    \
   7   TYPE __attribute__ ((noinline, noclone))      \
   8   reduc_plus_##TYPE (TYPE *a, TYPE *b)          \
   9   {                                             \
  10     TYPE r = 0, q = 3;                          \
  11     for (int i = 0; i < NUM_ELEMS (TYPE); i++)  \
  12       {                                         \
  13         r += a[i];                              \
  14         q -= b[i];                              \
  15       }                                         \
  16     return r * q;                               \
  17   }
  18
  19 #define TEST_ALL(T) \
  20   T (_Float16) \
  21   T (float) \
  22   T (double)
  23
  24 TEST_ALL (DEF_REDUC_PLUS)
  25
  26 /* { dg-final { scan-assembler-times {\tfadda\th[0-9]+, p[0-7], h[0-9]+, z[0-9]+\.h} 2 } } */
  27 /* { dg-final { scan-assembler-times {\tfadda\ts[0-9]+, p[0-7], s[0-9]+, z[0-9]+\.s} 2 } } */
  28 /* { dg-final { scan-assembler-times {\tfadda\td[0-9]+, p[0-7], d[0-9]+, z[0-9]+\.d} 2 } } */