gcc/testsuite/gcc.target/i386/avx512f-vpdpwssds-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -mavx512f -mavx512vnni" } */
   3 /* { dg-require-effective-target avx512f } */
   4 /* { dg-require-effective-target avx512vnni } */
   5
   6 #define AVX512F
   7
   8 #define AVX512VNNI
   9 #include "avx512f-helper.h"
  10
  11 #define SIZE (AVX512F_LEN / 16)
  12 #define SIZE_RES (AVX512F_LEN / 32)
  13
  14 #include "avx512f-mask-type.h"
  15
  16 static void
  17 CALC (int *r, int *dst, short *s1, short *s2)
  18 {
  19   short tempres[SIZE];
  20   for (int i = 0; i < SIZE; i++) {
  21     tempres[i] = ((int)(s1[i]) * (int)(s2[i]));
  22   }
  23   for (int i = 0; i < SIZE_RES; i++) {
  24     long long test = (long long)dst[i] + tempres[i*2] + tempres[i*2 + 1];
  25     long long max_int = 0x7FFFFFFF;
  26     if (test > max_int)
  27       test = 0x7FFFFFFF;
  28     r[i] = test;
  29   }
  30 }
  31
  32 void
  33 TEST (void)
  34 {
  35   int i;
  36   UNION_TYPE (AVX512F_LEN, i_d) res1, res2, res3;
  37   UNION_TYPE (AVX512F_LEN, i_w) src1, src2;
  38   MASK_TYPE mask = MASK_VALUE;
  39   int res_ref[SIZE_RES];
  40   int res_ref2[SIZE_RES];
  41
  42   for (i = 0; i < SIZE; i++)
  43     {
  44       src1.a[i] = 1 + i;
  45       src2.a[i] = 2 + 2*i;
  46     }
  47
  48   for (i = 0; i < SIZE_RES; i++)
  49     {
  50       res1.a[i] = 0x7fffffff;
  51       res2.a[i] = DEFAULT_VALUE;
  52       res3.a[i] = DEFAULT_VALUE;
  53     }
  54
  55   CALC (res_ref, res1.a, src1.a, src2.a);
  56   CALC (res_ref2, res2.a, src1.a, src2.a);
  57
  58   res1.x = INTRINSIC (_dpwssds_epi32) (res1.x, src1.x, src2.x);
  59   res2.x = INTRINSIC (_mask_dpwssds_epi32) (res2.x, mask, src1.x, src2.x);
  60   res3.x = INTRINSIC (_maskz_dpwssds_epi32) (mask, res3.x, src1.x, src2.x);
  61
  62   if (UNION_CHECK (AVX512F_LEN, i_d) (res1, res_ref))
  63     abort ();
  64
  65   MASK_MERGE (i_d) (res_ref2, mask, SIZE_RES);
  66   if (UNION_CHECK (AVX512F_LEN, i_d) (res2, res_ref2))
  67     abort ();
  68
  69   MASK_ZERO (i_d) (res_ref2, mask, SIZE_RES);
  70   if (UNION_CHECK (AVX512F_LEN, i_d) (res3, res_ref2))
  71     abort ();
  72 }