gcc/testsuite/gcc.target/i386/avx512bw-vpmulhuw-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 (short *src1, short *src2, short *dst)
  13 {
  14   int i;
  15
  16   for (i = 0; i < SIZE; i++)
  17     dst[i] = (src1[i] * src2[i]) >> 16;
  18 }
  19
  20 void
  21 TEST (void)
  22 {
  23   UNION_TYPE (AVX512F_LEN, i_w) src1, src2, dst1, dst2, dst3;
  24   short dst_ref[SIZE];
  25   MASK_TYPE mask = MASK_VALUE;
  26   int i, sign = -1;
  27
  28   for (i = 0; i < SIZE; i++)
  29     {
  30       src1.a[i] = i % 2;
  31       src2.a[i] = i * sign;
  32       dst2.a[i] = DEFAULT_VALUE;
  33       sign = -sign;
  34     }
  35
  36   dst1.x = INTRINSIC (_mulhi_epu16) (src1.x, src2.x);
  37   dst2.x =
  38     INTRINSIC (_mask_mulhi_epu16) (dst2.x, mask, src1.x, src2.x);
  39   dst3.x = INTRINSIC (_maskz_mulhi_epu16) (mask, src1.x, src2.x);
  40
  41   CALC (src1.a, src2.a, dst_ref);
  42
  43   if (UNION_CHECK (AVX512F_LEN, i_w) (dst1, dst_ref))
  44     abort ();
  45
  46   MASK_MERGE (i_w) (dst_ref, mask, SIZE);
  47   if (UNION_CHECK (AVX512F_LEN, i_w) (dst2, dst_ref))
  48     abort ();
  49
  50   MASK_ZERO (i_w) (dst_ref, mask, SIZE);
  51   if (UNION_CHECK (AVX512F_LEN, i_w) (dst3, dst_ref))
  52     abort ();
  53 }