gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqdmulh_n.c

   1 #include <arm_neon.h>
   2 #include "arm-neon-ref.h"
   3 #include "compute-ref-data.h"
   4
   5 /* Expected values of cumulative_saturation flag.  */
   6 int VECT_VAR(expected_cumulative_sat,int,16,4) = 0;
   7 int VECT_VAR(expected_cumulative_sat,int,32,2) = 0;
   8 int VECT_VAR(expected_cumulative_sat,int,16,8) = 0;
   9 int VECT_VAR(expected_cumulative_sat,int,32,4) = 0;
  10
  11 /* Expected results.  */
  12 VECT_VAR_DECL(expected,int,16,4) [] = { 0x19, 0x19, 0x19, 0x19 };
  13 VECT_VAR_DECL(expected,int,32,2) [] = { 0x4, 0x4 };
  14 VECT_VAR_DECL(expected,int,16,8) [] = { 0x10, 0x10, 0x10, 0x10,
  15                                         0x10, 0x10, 0x10, 0x10 };
  16 VECT_VAR_DECL(expected,int,32,4) [] = { 0xa, 0xa, 0xa, 0xa };
  17
  18 /* Expected values of cumulative_saturation flag when saturation
  19    occurs.  */
  20 int VECT_VAR(expected_cumulative_sat2,int,16,4) = 1;
  21 int VECT_VAR(expected_cumulative_sat2,int,32,2) = 1;
  22 int VECT_VAR(expected_cumulative_sat2,int,16,8) = 1;
  23 int VECT_VAR(expected_cumulative_sat2,int,32,4) = 1;
  24
  25 /* Expected results when saturation occurs.  */
  26 VECT_VAR_DECL(expected2,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
  27 VECT_VAR_DECL(expected2,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
  28 VECT_VAR_DECL(expected2,int,16,8) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff,
  29                                          0x7fff, 0x7fff, 0x7fff, 0x7fff };
  30 VECT_VAR_DECL(expected2,int,32,4) [] = { 0x7fffffff, 0x7fffffff,
  31                                          0x7fffffff, 0x7fffffff };
  32
  33 #define INSN_NAME vqdmulh
  34 #define TEST_MSG "VQDMULH_N"
  35 #define FNNAME1(NAME) exec_ ## NAME ## _n
  36 #define FNNAME(NAME) FNNAME1(NAME)
  37
  38 void FNNAME (INSN_NAME) (void)
  39 {
  40   int i;
  41
  42   /* vector_res = vqdmulh_n(vector,val), then store the result.  */
  43 #define TEST_VQDMULH_N2(INSN, Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT) \
  44   Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N));   \
  45   VECT_VAR(vector_res, T1, W, N) =                              \
  46     INSN##Q##_n_##T2##W(VECT_VAR(vector, T1, W, N),             \
  47                         L);                                     \
  48   vst1##Q##_##T2##W(VECT_VAR(result, T1, W, N),                 \
  49                     VECT_VAR(vector_res, T1, W, N));            \
  50   CHECK_CUMULATIVE_SAT(TEST_MSG, T1, W, N, EXPECTED_CUMULATIVE_SAT, CMT)
  51
  52   /* Two auxliary macros are necessary to expand INSN.  */
  53 #define TEST_VQDMULH_N1(INSN, Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT) \
  54   TEST_VQDMULH_N2(INSN, Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT)
  55
  56 #define TEST_VQDMULH_N(Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT)        \
  57   TEST_VQDMULH_N1(INSN_NAME, Q, T1, T2, W, N, L, EXPECTED_CUMULATIVE_SAT, CMT)
  58
  59   DECL_VARIABLE(vector, int, 16, 4);
  60   DECL_VARIABLE(vector, int, 32, 2);
  61   DECL_VARIABLE(vector, int, 16, 8);
  62   DECL_VARIABLE(vector, int, 32, 4);
  63
  64   DECL_VARIABLE(vector_res, int, 16, 4);
  65   DECL_VARIABLE(vector_res, int, 32, 2);
  66   DECL_VARIABLE(vector_res, int, 16, 8);
  67   DECL_VARIABLE(vector_res, int, 32, 4);
  68
  69   clean_results ();
  70
  71   /* Initialize vector.  */
  72   VDUP(vector, , int, s, 16, 4, 0x1000);
  73   VDUP(vector, , int, s, 32, 2, 0x100023);
  74   VDUP(vector, q, int, s, 16, 8, 0x1000);
  75   VDUP(vector, q, int, s, 32, 4, 0x100045);
  76
  77   /* Choose multiplier arbitrarily.  */
  78   TEST_VQDMULH_N(, int, s, 16, 4, 0xCF, expected_cumulative_sat, "");
  79   TEST_VQDMULH_N(, int, s, 32, 2, 0x2344, expected_cumulative_sat, "");
  80   TEST_VQDMULH_N(q, int, s, 16, 8, 0x80, expected_cumulative_sat, "");
  81   TEST_VQDMULH_N(q, int, s, 32, 4, 0x5422, expected_cumulative_sat, "");
  82
  83   CHECK (TEST_MSG, int, 16, 4, PRIx16, expected, "");
  84   CHECK (TEST_MSG, int, 32, 2, PRIx32, expected, "");
  85   CHECK (TEST_MSG, int, 16, 8, PRIx16, expected, "");
  86   CHECK (TEST_MSG, int, 32, 4, PRIx32, expected, "");
  87
  88   /* Choose input values to trigger saturation.  */
  89   VDUP(vector, , int, s, 16, 4, 0x8000);
  90   VDUP(vector, , int, s, 32, 2, 0x80000000);
  91   VDUP(vector, q, int, s, 16, 8, 0x8000);
  92   VDUP(vector, q, int, s, 32, 4, 0x80000000);
  93
  94 #define TEST_MSG2 " (check mul cumulative saturation)"
  95   TEST_VQDMULH_N(, int, s, 16, 4, 0x8000, expected_cumulative_sat2, TEST_MSG2);
  96   TEST_VQDMULH_N(, int, s, 32, 2, 0x80000000, expected_cumulative_sat2, TEST_MSG2);
  97   TEST_VQDMULH_N(q, int, s, 16, 8, 0x8000, expected_cumulative_sat2, TEST_MSG2);
  98   TEST_VQDMULH_N(q, int, s, 32, 4, 0x80000000, expected_cumulative_sat2, TEST_MSG2);
  99
 100   CHECK (TEST_MSG, int, 16, 4, PRIx16, expected2, TEST_MSG2);
 101   CHECK (TEST_MSG, int, 32, 2, PRIx32, expected2, TEST_MSG2);
 102   CHECK (TEST_MSG, int, 16, 8, PRIx16, expected2, TEST_MSG2);
 103   CHECK (TEST_MSG, int, 32, 4, PRIx32, expected2, TEST_MSG2);
 104 }
 105
 106 int main (void)
 107 {
 108   FNNAME (INSN_NAME) ();
 109   return 0;
 110 }