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