gcc/testsuite/gcc.target/arm/neon-vset_lanes8.c

   1 /* Test the `vset_lane_s8' ARM Neon intrinsic.  */
   2
   3 /* { dg-do run } */
   4 /* { dg-require-effective-target arm_neon_hw } */
   5 /* { dg-options "-O0" } */
   6 /* { dg-add-options arm_neon } */
   7
   8 #include "arm_neon.h"
   9 #include <stdlib.h>
  10 #include <string.h>
  11
  12 int8_t x_init[8] = { 1, 2, 3, 4, 5, 6, 7, 8 };
  13 int8_t y_init[8] = { 1, 2, 3, 16, 5, 6, 7, 8 };
  14
  15 int main (void)
  16 {
  17   int8x8_t x = vld1_s8 (x_init);
  18   int8x8_t y = vld1_s8 (y_init);
  19
  20   x = vset_lane_s8 (16, x, 3);
  21   if (memcmp (&x, &y, sizeof (x)) != 0)
  22     abort();
  23   return 0;
  24 }