gcc/testsuite/gcc.target/arm/vst1Q_laneu64-1.c

   1 /* Test the `vst1Q_laneu64' ARM Neon intrinsic.  */
   2
   3 /* Detect ICE in the case of unaligned memory address.  */
   4
   5 /* { dg-do compile } */
   6 /* { dg-require-effective-target arm_neon_ok } */
   7 /* { dg-add-options arm_neon } */
   8
   9 #include "arm_neon.h"
  10
  11 unsigned char dummy_store[1000];
  12
  13 void
  14 foo (unsigned char* addr)
  15 {
  16   uint8x16_t vdata = vld1q_u8 (addr);
  17   vst1q_lane_u64 ((uint64_t*) &dummy_store, vreinterpretq_u64_u8 (vdata), 0);
  18 }
  19
  20 uint64_t
  21 bar (uint64x2_t vdata)
  22 {
  23   vdata = vld1q_lane_u64 ((uint64_t*) &dummy_store, vdata, 0);
  24   return vgetq_lane_u64 (vdata, 0);
  25 }