gcc/testsuite/gcc.target/aarch64/vect_combine_zeroes_1.c

   1 /* { dg-options "-O2 --save-temps" } */
   2
   3 #include "arm_neon.h"
   4
   5 int32x4_t
   6 foo (int32x2_t *x)
   7 {
   8   int32x2_t i = *x;
   9   int32x2_t zeroes = vcreate_s32 (0l);
  10   int32x4_t ret = vcombine_s32 (i, zeroes);
  11   return ret;
  12 }
  13
  14 int32x4_t
  15 bar (int64_t x)
  16 {
  17   int32x2_t i = vcreate_s32 (x);
  18   int32x2_t zeroes = vcreate_s32 (0l);
  19   int32x4_t ret = vcombine_s32 (i, zeroes);
  20   return ret;
  21 }
  22
  23 /* { dg-final { scan-assembler-not "mov\tv\[0-9\]+.8b, v\[0-9\]+.8b" } } */
  24