gcc/testsuite/gcc.target/aarch64/pr65235_1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2" } */
   3
   4 #include "arm_neon.h"
   5
   6 int
   7 main (int argc, char** argv)
   8 {
   9   int64x1_t val1;
  10   int64x1_t val2;
  11   int64x1_t val3;
  12   uint64x1_t val13;
  13   uint64x2_t val14;
  14   uint64_t got;
  15   uint64_t exp;
  16   val1 = vcreate_s64(UINT64_C(0xffffffff80008000));
  17   val2 = vcreate_s64(UINT64_C(0x0000f38d00000000));
  18   val3 = vcreate_s64(UINT64_C(0xffff7fff0000809b));
  19   /* Expect: "val13" = 8000000000001553.  */
  20   val13 = vcreate_u64 (UINT64_C(0x8000000000001553));
  21   /* Expect: "val14" = 0010 0000 0000 0002 0000 0000 0000 0000.  */
  22   val14 = vcombine_u64(vcgt_s64(vqrshl_s64(val1, val2),
  23                                 vshr_n_s64(val3, 18)),
  24                        vshr_n_u64(val13, 11));
  25   /* Should be 0000000000000000.  */
  26   got = vgetq_lane_u64(val14, 0);
  27   exp = 0;
  28   if(exp != got)
  29     __builtin_abort ();
  30 }