gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/vqmovn.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,8,8) = 0;
   7 int VECT_VAR(expected_cumulative_sat,int,16,4) = 0;
   8 int VECT_VAR(expected_cumulative_sat,int,32,2) = 0;
   9 int VECT_VAR(expected_cumulative_sat,uint,8,8) = 0;
  10 int VECT_VAR(expected_cumulative_sat,uint,16,4) = 0;
  11 int VECT_VAR(expected_cumulative_sat,uint,32,2) = 0;
  12
  13 /* Expected results.  */
  14 VECT_VAR_DECL(expected,int,8,8) [] = { 0x12, 0x12, 0x12, 0x12,
  15                                        0x12, 0x12, 0x12, 0x12 };
  16 VECT_VAR_DECL(expected,int,16,4) [] = { 0x1278, 0x1278, 0x1278, 0x1278 };
  17 VECT_VAR_DECL(expected,int,32,2) [] = { 0x12345678, 0x12345678 };
  18 VECT_VAR_DECL(expected,uint,8,8) [] = { 0x82, 0x82, 0x82, 0x82,
  19                                         0x82, 0x82, 0x82, 0x82 };
  20 VECT_VAR_DECL(expected,uint,16,4) [] = { 0x8765, 0x8765, 0x8765, 0x8765 };
  21 VECT_VAR_DECL(expected,uint,32,2) [] = { 0x87654321, 0x87654321 };
  22
  23 /* Expected values of cumulative_saturation flag when saturation occurs.  */
  24 int VECT_VAR(expected_cumulative_sat1,int,8,8) = 1;
  25 int VECT_VAR(expected_cumulative_sat1,int,16,4) = 1;
  26 int VECT_VAR(expected_cumulative_sat1,int,32,2) = 1;
  27 int VECT_VAR(expected_cumulative_sat1,uint,8,8) = 1;
  28 int VECT_VAR(expected_cumulative_sat1,uint,16,4) = 1;
  29 int VECT_VAR(expected_cumulative_sat1,uint,32,2) = 1;
  30
  31 /* Expected results when saturation occurs.  */
  32 VECT_VAR_DECL(expected1,int,8,8) [] = { 0x7f, 0x7f, 0x7f, 0x7f,
  33                                         0x7f, 0x7f, 0x7f, 0x7f };
  34 VECT_VAR_DECL(expected1,int,16,4) [] = { 0x7fff, 0x7fff, 0x7fff, 0x7fff };
  35 VECT_VAR_DECL(expected1,int,32,2) [] = { 0x7fffffff, 0x7fffffff };
  36 VECT_VAR_DECL(expected1,uint,8,8) [] = { 0xff, 0xff, 0xff, 0xff,
  37                                          0xff, 0xff, 0xff, 0xff };
  38 VECT_VAR_DECL(expected1,uint,16,4) [] = { 0xffff, 0xffff, 0xffff, 0xffff };
  39 VECT_VAR_DECL(expected1,uint,32,2) [] = { 0xffffffff, 0xffffffff };
  40
  41 #define INSN_NAME vqmovn
  42 #define TEST_MSG "VQMOVN"
  43
  44 #define FNNAME1(NAME) void exec_ ## NAME (void)
  45 #define FNNAME(NAME) FNNAME1(NAME)
  46
  47 FNNAME (INSN_NAME)
  48 {
  49   /* Basic test: y=OP(x), then store the result.  */
  50 #define TEST_UNARY_OP1(INSN, T1, T2, W, W2, N, EXPECTED_CUMULATIVE_SAT, CMT) \
  51   Set_Neon_Cumulative_Sat(0, VECT_VAR(vector_res, T1, W, N));           \
  52   VECT_VAR(vector_res, T1, W, N) =                                      \
  53     INSN##_##T2##W2(VECT_VAR(vector, T1, W2, N));                       \
  54   vst1##_##T2##W(VECT_VAR(result, T1, W, N),                            \
  55                  VECT_VAR(vector_res, T1, W, N));                       \
  56   CHECK_CUMULATIVE_SAT(TEST_MSG, T1, W, N, EXPECTED_CUMULATIVE_SAT, CMT)
  57
  58 #define TEST_UNARY_OP(INSN, T1, T2, W, W2, N, EXPECTED_CUMULATIVE_SAT, CMT) \
  59   TEST_UNARY_OP1(INSN, T1, T2, W, W2, N, EXPECTED_CUMULATIVE_SAT, CMT)
  60
  61   /* No need for 64 bits variants.  */
  62   DECL_VARIABLE(vector, int, 16, 8);
  63   DECL_VARIABLE(vector, int, 32, 4);
  64   DECL_VARIABLE(vector, int, 64, 2);
  65   DECL_VARIABLE(vector, uint, 16, 8);
  66   DECL_VARIABLE(vector, uint, 32, 4);
  67   DECL_VARIABLE(vector, uint, 64, 2);
  68
  69   DECL_VARIABLE(vector_res, int, 8, 8);
  70   DECL_VARIABLE(vector_res, int, 16, 4);
  71   DECL_VARIABLE(vector_res, int, 32, 2);
  72   DECL_VARIABLE(vector_res, uint, 8, 8);
  73   DECL_VARIABLE(vector_res, uint, 16, 4);
  74   DECL_VARIABLE(vector_res, uint, 32, 2);
  75
  76   clean_results ();
  77
  78   /* Fill input vector with arbitrary values.  */
  79   VDUP(vector, q, int, s, 16, 8, 0x12);
  80   VDUP(vector, q, int, s, 32, 4, 0x1278);
  81   VDUP(vector, q, int, s, 64, 2, 0x12345678);
  82   VDUP(vector, q, uint, u, 16, 8, 0x82);
  83   VDUP(vector, q, uint, u, 32, 4, 0x8765);
  84   VDUP(vector, q, uint, u, 64, 2, 0x87654321);
  85
  86   /* Apply a unary operator named INSN_NAME.  */
  87 #define CMT ""
  88   TEST_UNARY_OP(INSN_NAME, int, s, 8, 16, 8, expected_cumulative_sat, CMT);
  89   TEST_UNARY_OP(INSN_NAME, int, s, 16, 32, 4, expected_cumulative_sat, CMT);
  90   TEST_UNARY_OP(INSN_NAME, int, s, 32, 64, 2, expected_cumulative_sat, CMT);
  91   TEST_UNARY_OP(INSN_NAME, uint, u, 8, 16, 8, expected_cumulative_sat, CMT);
  92   TEST_UNARY_OP(INSN_NAME, uint, u, 16, 32, 4, expected_cumulative_sat, CMT);
  93   TEST_UNARY_OP(INSN_NAME, uint, u, 32, 64, 2, expected_cumulative_sat, CMT);
  94
  95   CHECK(TEST_MSG, int, 8, 8, PRIx8, expected, CMT);
  96   CHECK(TEST_MSG, int, 16, 4, PRIx16, expected, CMT);
  97   CHECK(TEST_MSG, int, 32, 2, PRIx32, expected, CMT);
  98   CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected, CMT);
  99   CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected, CMT);
 100   CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected, CMT);
 101
 102
 103   /* Fill input vector with arbitrary values which cause cumulative
 104      saturation.  */
 105   VDUP(vector, q, int, s, 16, 8, 0x1234);
 106   VDUP(vector, q, int, s, 32, 4, 0x12345678);
 107   VDUP(vector, q, int, s, 64, 2, 0x1234567890ABLL);
 108   VDUP(vector, q, uint, u, 16, 8, 0x8234);
 109   VDUP(vector, q, uint, u, 32, 4, 0x87654321);
 110   VDUP(vector, q, uint, u, 64, 2, 0x8765432187654321ULL);
 111
 112   /* Apply a unary operator named INSN_NAME.  */
 113 #undef CMT
 114 #define CMT " (with saturation)"
 115   TEST_UNARY_OP(INSN_NAME, int, s, 8, 16, 8, expected_cumulative_sat1, CMT);
 116   TEST_UNARY_OP(INSN_NAME, int, s, 16, 32, 4, expected_cumulative_sat1, CMT);
 117   TEST_UNARY_OP(INSN_NAME, int, s, 32, 64, 2, expected_cumulative_sat1, CMT);
 118   TEST_UNARY_OP(INSN_NAME, uint, u, 8, 16, 8, expected_cumulative_sat1, CMT);
 119   TEST_UNARY_OP(INSN_NAME, uint, u, 16, 32, 4, expected_cumulative_sat1, CMT);
 120   TEST_UNARY_OP(INSN_NAME, uint, u, 32, 64, 2, expected_cumulative_sat1, CMT);
 121
 122   CHECK(TEST_MSG, int, 8, 8, PRIx8, expected1, CMT);
 123   CHECK(TEST_MSG, int, 16, 4, PRIx16, expected1, CMT);
 124   CHECK(TEST_MSG, int, 32, 2, PRIx32, expected1, CMT);
 125   CHECK(TEST_MSG, uint, 8, 8, PRIx8, expected1, CMT);
 126   CHECK(TEST_MSG, uint, 16, 4, PRIx16, expected1, CMT);
 127   CHECK(TEST_MSG, uint, 32, 2, PRIx32, expected1, CMT);
 128 }
 129
 130 int main (void)
 131 {
 132   exec_vqmovn ();
 133   return 0;
 134 }