1  /* { dg-skip-if "" { arm*-*-* } } */
       2  
       3  #include <arm_neon.h>
       4  #include "arm-neon-ref.h"
       5  #include "compute-ref-data.h"
       6  
       7  /* Expected results.  */
       8  VECT_VAR_DECL(expected, int, 8, 16) [] = { 0x5, 0x5, 0x5, 0x5,
       9  					   0x5, 0x5, 0x5, 0x5,
      10  					   0xf8, 0xf8, 0xf9, 0xf9,
      11  					   0xfa, 0xfa, 0xfb, 0xfb };
      12  VECT_VAR_DECL(expected, int, 16, 8) [] = { 0x5, 0x5, 0x5, 0x5,
      13  					   0xfff8, 0xfff8, 0xfff9, 0xfff9 };
      14  VECT_VAR_DECL(expected, int, 32, 4) [] = { 0x5, 0x5, 0xfffffffc, 0xfffffffc };
      15  VECT_VAR_DECL(expected, uint, 8, 16) [] = { 0x5, 0x5, 0x5, 0x5,
      16  					    0x5, 0x5, 0x5, 0x5,
      17  					    0xfc, 0xfc, 0xfc, 0xfc,
      18  					    0xfd, 0xfd, 0xfd, 0xfd };
      19  VECT_VAR_DECL(expected, uint, 16, 8) [] = { 0x5, 0x5, 0x5, 0x5,
      20  					    0xfffe, 0xfffe, 0xfffe, 0xfffe };
      21  VECT_VAR_DECL(expected, uint, 32, 4) [] = { 0x5, 0x5, 0xfffffffe, 0xfffffffe };
      22  
      23  #define TEST_MSG "VSHRN_HIGH_N"
      24  void exec_vshrn_high_n (void)
      25  {
      26    /* Basic test: y=vshrn_high_n(r,x,v), then store the result.  */
      27  #define TEST_VSHRN_HIGH_N(T1, T2, W1, W2, N1, N2, V)				\
      28    VECT_VAR(vector_res, T1, W2, N2) =						\
      29      vshrn_high_n_##T2##W1(VECT_VAR(vector_res_lo, T1, W2, N1),			\
      30  			  VECT_VAR(vector, T1, W1, N1),				\
      31  			  V);							\
      32    vst1q_##T2##W2(VECT_VAR(result, T1, W2, N2), VECT_VAR(vector_res, T1, W2, N2))
      33  
      34    DECL_VARIABLE(vector_res_lo, int, 8, 8);
      35    DECL_VARIABLE(vector_res_lo, int, 16, 4);
      36    DECL_VARIABLE(vector_res_lo, int, 32, 2);
      37    DECL_VARIABLE(vector_res_lo, uint, 8, 8);
      38    DECL_VARIABLE(vector_res_lo, uint, 16, 4);
      39    DECL_VARIABLE(vector_res_lo, uint, 32, 2);
      40  
      41    DECL_VARIABLE(vector, int, 16, 8);
      42    DECL_VARIABLE(vector, int, 32, 4);
      43    DECL_VARIABLE(vector, int, 64, 2);
      44    DECL_VARIABLE(vector, uint, 16, 8);
      45    DECL_VARIABLE(vector, uint, 32, 4);
      46    DECL_VARIABLE(vector, uint, 64, 2);
      47  
      48    DECL_VARIABLE(vector_res, int, 8, 16);
      49    DECL_VARIABLE(vector_res, int, 16, 8);
      50    DECL_VARIABLE(vector_res, int, 32, 4);
      51    DECL_VARIABLE(vector_res, uint, 8, 16);
      52    DECL_VARIABLE(vector_res, uint, 16, 8);
      53    DECL_VARIABLE(vector_res, uint, 32, 4);
      54  
      55    clean_results ();
      56  
      57    /* Fill vector_res_lo with a value easy to recognise in the result vector. */
      58    VDUP(vector_res_lo, , int, s, 8, 8, 0x5);
      59    VDUP(vector_res_lo, , int, s, 16, 4, 0x5);
      60    VDUP(vector_res_lo, , int, s, 32, 2, 0x5);
      61    VDUP(vector_res_lo, , uint, u, 8, 8, 0x5);
      62    VDUP(vector_res_lo, , uint, u, 16, 4, 0x5);
      63    VDUP(vector_res_lo, , uint, u, 32, 2, 0x5);
      64  
      65    VLOAD(vector, buffer, q, int, s, 16, 8);
      66    VLOAD(vector, buffer, q, int, s, 32, 4);
      67    VLOAD(vector, buffer, q, int, s, 64, 2);
      68    VLOAD(vector, buffer, q, uint, u, 16, 8);
      69    VLOAD(vector, buffer, q, uint, u, 32, 4);
      70    VLOAD(vector, buffer, q, uint, u, 64, 2);
      71  
      72    /* Choose shift amount arbitrarily.  */
      73    TEST_VSHRN_HIGH_N(int, s, 16, 8, 8, 16, 1);
      74    TEST_VSHRN_HIGH_N(int, s, 32, 16, 4, 8, 1);
      75    TEST_VSHRN_HIGH_N(int, s, 64, 32, 2, 4, 2);
      76    TEST_VSHRN_HIGH_N(uint, u, 16, 8, 8, 16, 2);
      77    TEST_VSHRN_HIGH_N(uint, u, 32, 16, 4, 8, 3);
      78    TEST_VSHRN_HIGH_N(uint, u, 64, 32, 2, 4, 3);
      79  
      80  #define CMT ""
      81    CHECK(TEST_MSG, int, 8, 16, PRIx8, expected, CMT);
      82    CHECK(TEST_MSG, int, 16, 8, PRIx16, expected, CMT);
      83    CHECK(TEST_MSG, int, 32, 4, PRIx32, expected, CMT);
      84    CHECK(TEST_MSG, uint, 8, 16, PRIx8, expected, CMT);
      85    CHECK(TEST_MSG, uint, 16, 8, PRIx16, expected, CMT);
      86    CHECK(TEST_MSG, uint, 32, 4, PRIx32, expected, CMT);
      87  }
      88  
      89  int main (void)
      90  {
      91    exec_vshrn_high_n ();
      92    return 0;
      93  }