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

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -mavx512bw -DAVX512BW" } */
   3 /* { dg-require-effective-target avx512bw } */
   4
   5 #include "avx512f-helper.h"
   6
   7 #include <math.h>
   8 #include <values.h>
   9 #define SIZE (AVX512F_LEN / 16)
  10 #include "avx512f-mask-type.h"
  11
  12 void
  13 CALC (short *i1, short *i2, short *r)
  14 {
  15   unsigned char *ub1 = (unsigned char *) i1;
  16   char *sb2 = (char *) i2;
  17   short *sout = (short *) r;
  18   int t0;
  19   int i;
  20
  21   for (i = 0; i < SIZE; i++)
  22     {
  23       t0 = ((int) ub1[2 * i] * (int) sb2[2 * i] +
  24             (int) ub1[2 * i + 1] * (int) sb2[2 * i + 1]);
  25       if (t0 > (int) 0x7fff)
  26         sout[i] = 0x7fff;
  27       else if (t0 < (int) 0xffff8000)
  28         sout[i] = 0x8000;
  29       else
  30         sout[i] = (short) t0;
  31     }
  32 }
  33
  34 void
  35 TEST (void)
  36 {
  37   UNION_TYPE (AVX512F_LEN, i_w) s1, s2, res1, res2, res3;
  38   short res_ref[SIZE];
  39   MASK_TYPE mask = MASK_VALUE;
  40   int i;
  41   int fail = 0;
  42
  43   for (i = 0; i < SIZE; i++)
  44     {
  45       s1.a[i] = i * 17 + i;
  46       s2.a[i] = i * -17 + i * 2;
  47       res2.a[i] = DEFAULT_VALUE;
  48     }
  49
  50   res1.x = INTRINSIC (_maddubs_epi16) (s1.x, s2.x);
  51   res2.x = INTRINSIC (_mask_maddubs_epi16) (res2.x, mask, s1.x, s2.x);
  52   res3.x = INTRINSIC (_maskz_maddubs_epi16) (mask, s1.x, s2.x);
  53
  54   CALC(s1.a, s2.a, res_ref);
  55
  56   if (UNION_CHECK (AVX512F_LEN, i_w) (res1, res_ref))
  57     abort ();
  58
  59   MASK_MERGE (i_w) (res_ref, mask, SIZE);
  60   if (UNION_CHECK (AVX512F_LEN, i_w) (res2, res_ref))
  61     abort ();
  62
  63   MASK_ZERO (i_w) (res_ref, mask, SIZE);
  64   if (UNION_CHECK (AVX512F_LEN, i_w) (res3, res_ref))
  65     abort ();
  66 }