gcc/testsuite/gcc.target/aarch64/sve/slp_perm_1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-vectorize" } */
   3
   4 #include <stdint.h>
   5
   6 void
   7 f (uint8_t *restrict a, uint8_t *restrict b)
   8 {
   9   for (int i = 0; i < 100; ++i)
  10     {
  11       a[i * 8] = b[i * 8 + 7] + 1;
  12       a[i * 8 + 1] = b[i * 8 + 6] + 2;
  13       a[i * 8 + 2] = b[i * 8 + 5] + 3;
  14       a[i * 8 + 3] = b[i * 8 + 4] + 4;
  15       a[i * 8 + 4] = b[i * 8 + 3] + 5;
  16       a[i * 8 + 5] = b[i * 8 + 2] + 6;
  17       a[i * 8 + 6] = b[i * 8 + 1] + 7;
  18       a[i * 8 + 7] = b[i * 8 + 0] + 8;
  19     }
  20 }
  21
  22 /* { dg-final { scan-assembler-times {\trevb\tz[0-9]+\.d, p[0-7]/m, z[0-9]+\.d\n} 1 } } */