1  #include <arm_neon.h>
       2  #include "arm-neon-ref.h"
       3  #include "compute-ref-data.h"
       4  
       5  /* Expected results.  */
       6  VECT_VAR_DECL(expected,int,8,8) [] = { 0xf0, 0xf1, 0xf2, 0xf3,
       7  				       0xf4, 0xf5, 0xf6, 0xf7 };
       8  VECT_VAR_DECL(expected,int,16,4) [] = { 0xfff0, 0xfff1, 0xfff2, 0xfff3 };
       9  VECT_VAR_DECL(expected,int,32,2) [] = { 0xfffffff0, 0xfffffff1 };
      10  VECT_VAR_DECL(expected,uint,8,8) [] = { 0xf0, 0xf1, 0xf2, 0xf3,
      11  					0xf4, 0xf5, 0xf6, 0xf7 };
      12  VECT_VAR_DECL(expected,uint,16,4) [] = { 0xfff0, 0xfff1, 0xfff2, 0xfff3 };
      13  VECT_VAR_DECL(expected,uint,32,2) [] = { 0xfffffff0, 0xfffffff1 };
      14  
      15  #define TEST_MSG "VMOVN"
      16  void exec_vmovn (void)
      17  {
      18    /* Basic test: vec64=vmovn(vec128), then store the result.  */
      19  #define TEST_VMOVN(T1, T2, W, W2, N)					\
      20    VECT_VAR(vector64, T1, W2, N) =					\
      21      vmovn_##T2##W(VECT_VAR(vector128, T1, W, N));			\
      22    vst1_##T2##W2(VECT_VAR(result, T1, W2, N), VECT_VAR(vector64, T1, W2, N))
      23  
      24    DECL_VARIABLE_64BITS_VARIANTS(vector64);
      25    DECL_VARIABLE_128BITS_VARIANTS(vector128);
      26  
      27    TEST_MACRO_128BITS_VARIANTS_2_5(VLOAD, vector128, buffer);
      28  
      29    clean_results ();
      30  
      31    TEST_VMOVN(int, s, 16, 8, 8);
      32    TEST_VMOVN(int, s, 32, 16, 4);
      33    TEST_VMOVN(int, s, 64, 32, 2);
      34    TEST_VMOVN(uint, u, 16, 8, 8);
      35    TEST_VMOVN(uint, u, 32, 16, 4);
      36    TEST_VMOVN(uint, u, 64, 32, 2);
      37  
      38    CHECK(TEST_MSG, int, 8, 8, PRIx8, expected, "");
      39    CHECK(TEST_MSG, int, 16, 4, PRIx16, expected, "");
      40    CHECK(TEST_MSG, int, 32, 2, PRIx32, expected, "");
      41    CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected, "");
      42    CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected, "");
      43    CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected, "");
      44  }
      45  
      46  int main (void)
      47  {
      48    exec_vmovn ();
      49    return 0;
      50  }