gcc/testsuite/gcc.target/i386/avx512bw-vdbpsadbw-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -mavx512bw" } */
   3 /* { dg-require-effective-target avx512bw } */
   4
   5 #define AVX512BW
   6 #include "avx512f-helper.h"
   7
   8 #define SIZE (AVX512F_LEN / 16)
   9 #include "avx512f-mask-type.h"
  10
  11 void
  12 CALC (unsigned short *dst, unsigned char *src1, unsigned char *src2,
  13       int imm)
  14 {
  15   int i, j, k, part, power;
  16   unsigned char tmp[2 * SIZE];;
  17
  18   for (i = 0; i < 2 * SIZE; i += 16)
  19     {
  20       for (j = 0; j < 4; j++)
  21         {
  22           power = 1;
  23           for (k = 0; k < j; k++)
  24             power *= 4;
  25           part = (imm & (3 * power)) >> (2 * j);
  26           for (k = 0; k < 4; k++)
  27             tmp[i + 4 * j + k] = src2[i + 4 * part + k];
  28         }
  29     }
  30
  31   for (i = 0; i < SIZE; i += 4)
  32     {
  33       dst[i] = dst[i + 1] = dst[i + 2] = dst[i + 3] = 0;
  34       for (j = 0; j < 4; j++)
  35         {
  36           dst[i] += abs (src1[2 * i + j] - tmp[2 * i + j]);
  37           dst[i + 1] += abs (src1[2 * i + j] - tmp[2 * i + j + 1]);
  38           dst[i + 2] += abs (src1[2 * i + j + 4] - tmp[2 * i + j + 2]);
  39           dst[i + 3] += abs (src1[2 * i + j + 4] - tmp[2 * i + j + 3]);
  40         }
  41     }
  42 }
  43
  44 void
  45 TEST (void)
  46 {
  47   int i, sign;
  48   UNION_TYPE (AVX512F_LEN, i_w) res1, res2, res3;
  49   UNION_TYPE (AVX512F_LEN, i_b) src1, src2;
  50   MASK_TYPE mask = MASK_VALUE;
  51   unsigned short res_ref[SIZE];
  52   int imm = 0x22;
  53
  54   sign = -1;
  55   for (i = 0; i < 2*SIZE; i++)
  56     {
  57       src1.a[i] = 1 + 34 * i * sign;
  58       src1.a[i] = 179 - i;
  59       sign = sign * -1;
  60     }
  61
  62   for (i = 0; i < SIZE; i++)
  63       res2.a[i] = DEFAULT_VALUE;
  64
  65   res1.x = INTRINSIC (_dbsad_epu8) (src1.x, src2.x, imm);
  66   res2.x = INTRINSIC (_mask_dbsad_epu8) (res2.x, mask, src1.x, src2.x, imm);
  67   res3.x = INTRINSIC (_maskz_dbsad_epu8) (mask, src1.x, src2.x, imm);
  68
  69   CALC (res_ref, src1.a, src2.a, imm);
  70
  71   if (UNION_CHECK (AVX512F_LEN, i_w) (res1, res_ref))
  72     abort ();
  73
  74   MASK_MERGE (i_w) (res_ref, mask, SIZE);
  75   if (UNION_CHECK (AVX512F_LEN, i_w) (res2, res_ref))
  76     abort ();
  77
  78   MASK_ZERO (i_w) (res_ref, mask, SIZE);
  79   if (UNION_CHECK (AVX512F_LEN, i_w) (res3, res_ref))
  80     abort ();
  81 }