1  /* testsuite/gcc.target/arm/pr48183.c */
       2  
       3  /* { dg-do compile } */
       4  /* { dg-require-effective-target arm_neon_ok } */
       5  /* { dg-options "-O -g" } */
       6  /* { dg-add-options arm_neon } */
       7  
       8  #include <arm_neon.h>
       9  
      10  void move_16bit_to_32bit (int32_t *dst, const short *src, unsigned n)
      11  {
      12      unsigned i;
      13      int16x4x2_t input;
      14      int32x4x2_t mid;
      15      int32x4x2_t output;
      16  
      17      for (i = 0; i < n/2; i += 8) {
      18          input = vld2_s16(src + i);
      19          mid.val[0] = vmovl_s16(input.val[0]);
      20          mid.val[1] = vmovl_s16(input.val[1]);
      21          output.val[0] = vshlq_n_s32(mid.val[0], 8);
      22          output.val[1] = vshlq_n_s32(mid.val[1], 8);
      23          vst2q_s32((int32_t *)dst + i, output);
      24      }
      25  }