gcc/testsuite/gcc.target/i386/avx512bw-vpmulhrsw-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, t0;
  15
  16   for (i = 0; i < SIZE; i++)
  17     {
  18       t0 = (((int) src1[i] * (int) src2[i]) >> 14) + 1;
  19       dst[i] = (short) (t0 >> 1);
  20     }
  21 }
  22
  23 void
  24 TEST (void)
  25 {
  26   UNION_TYPE (AVX512F_LEN, i_w) src1, src2, dst1, dst2, dst3;
  27   short dst_ref[SIZE];
  28   MASK_TYPE mask = MASK_VALUE;
  29   int i, sign = -1;
  30
  31   for (i = 0; i < SIZE; i++)
  32     {
  33       src1.a[i] = i % 2;
  34       src2.a[i] = i * sign;
  35       dst2.a[i] = DEFAULT_VALUE;
  36       sign = -sign;
  37     }
  38
  39   dst1.x = INTRINSIC (_mulhrs_epi16) (src1.x, src2.x);
  40   dst2.x =
  41     INTRINSIC (_mask_mulhrs_epi16) (dst2.x, mask, src1.x, src2.x);
  42   dst3.x = INTRINSIC (_maskz_mulhrs_epi16) (mask, src1.x, src2.x);
  43
  44   CALC (src1.a, src2.a, dst_ref);
  45
  46   if (UNION_CHECK (AVX512F_LEN, i_w) (dst1, dst_ref))
  47     abort ();
  48
  49   MASK_MERGE (i_w) (dst_ref, mask, SIZE);
  50   if (UNION_CHECK (AVX512F_LEN, i_w) (dst2, dst_ref))
  51     abort ();
  52
  53   MASK_ZERO (i_w) (dst_ref, mask, SIZE);
  54   if (UNION_CHECK (AVX512F_LEN, i_w) (dst3, dst_ref))
  55     abort ();
  56 }