gcc/testsuite/gcc.target/i386/avx512bw-vpmulhuw-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 #define SIZE (AVX512F_LEN / 16)
   8 #include "avx512f-mask-type.h"
   9
  10 void
  11 CALC (short *src1, short *src2, short *dst)
  12 {
  13   int i;
  14
  15   for (i = 0; i < SIZE; i++)
  16     dst[i] = (src1[i] * src2[i]) >> 16;
  17 }
  18
  19 void
  20 TEST (void)
  21 {
  22   UNION_TYPE (AVX512F_LEN, i_w) src1, src2, dst1, dst2, dst3;
  23   short dst_ref[SIZE];
  24   MASK_TYPE mask = MASK_VALUE;
  25   int i, sign = -1;
  26
  27   for (i = 0; i < SIZE; i++)
  28     {
  29       src1.a[i] = i % 2;
  30       src2.a[i] = i * sign;
  31       dst2.a[i] = DEFAULT_VALUE;
  32       sign = -sign;
  33     }
  34
  35   dst1.x = INTRINSIC (_mulhi_epu16) (src1.x, src2.x);
  36   dst2.x =
  37     INTRINSIC (_mask_mulhi_epu16) (dst2.x, mask, src1.x, src2.x);
  38   dst3.x = INTRINSIC (_maskz_mulhi_epu16) (mask, src1.x, src2.x);
  39
  40   CALC (src1.a, src2.a, dst_ref);
  41
  42   if (UNION_CHECK (AVX512F_LEN, i_w) (dst1, dst_ref))
  43     abort ();
  44
  45   MASK_MERGE (i_w) (dst_ref, mask, SIZE);
  46   if (UNION_CHECK (AVX512F_LEN, i_w) (dst2, dst_ref))
  47     abort ();
  48
  49   MASK_ZERO (i_w) (dst_ref, mask, SIZE);
  50   if (UNION_CHECK (AVX512F_LEN, i_w) (dst3, dst_ref))
  51     abort ();
  52 }