gcc/testsuite/gcc.target/i386/avx512ifma-vpmaddhuq-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -mavx512ifma" } */
   3 /* { dg-require-effective-target avx512ifma } */
   4
   5 #define AVX512IFMA
   6
   7 #include "avx512f-helper.h"
   8
   9 #define SIZE (AVX512F_LEN / 64)
  10 #include "avx512f-mask-type.h"
  11
  12 void
  13 CALC (long long *r, long long *s1, long long *s2, long long *s3)
  14 {
  15   int i;
  16   long long a, b;
  17
  18   for (i = 0; i < SIZE; i++)
  19     {
  20       /* Simulate higher 52 bits out of 104 bit,
  21          by shifting opernads with 0 in lower 26 bits.  */
  22       a = s2[i] >> 26;
  23       b = s3[i] >> 26;
  24       r[i] = a * b + s1[i];
  25     }
  26 }
  27
  28 void
  29 TEST (void)
  30 {
  31   UNION_TYPE (AVX512F_LEN, i_q) src1, src2, dst1, dst2, dst3;
  32   long long dst_ref[SIZE];
  33   int i;
  34   MASK_TYPE mask = MASK_VALUE;
  35
  36   for (i = 0; i < SIZE; i++)
  37     {
  38       src1.a[i] = 15 + 3467 * i;
  39       src2.a[i] = 9217 + i;
  40       src1.a[i] = src1.a[i] << 26;
  41       src1.a[i] = src1.a[i] << 26;
  42       src1.a[i] &= ((1LL << 52) - 1);
  43       src2.a[i] &= ((1LL << 52) - 1);
  44       dst1.a[i] = DEFAULT_VALUE;
  45       dst2.a[i] = DEFAULT_VALUE;
  46       dst3.a[i] = DEFAULT_VALUE;
  47     }
  48
  49   CALC (dst_ref, dst1.a, src1.a, src2.a);
  50   dst1.x = INTRINSIC (_madd52hi_epu64) (dst1.x, src1.x, src2.x);
  51   dst2.x = INTRINSIC (_mask_madd52hi_epu64) (dst2.x, mask, src1.x, src2.x);
  52   dst3.x = INTRINSIC (_maskz_madd52hi_epu64) (mask, dst3.x, src1.x, src2.x);
  53
  54   if (UNION_CHECK (AVX512F_LEN, i_q) (dst1, dst_ref))
  55     abort ();
  56
  57   MASK_MERGE (i_q) (dst_ref, mask, SIZE);
  58   if (UNION_CHECK (AVX512F_LEN, i_q) (dst2, dst_ref))
  59     abort ();
  60
  61   MASK_ZERO (i_q) (dst_ref, mask, SIZE);
  62   if (UNION_CHECK (AVX512F_LEN, i_q) (dst3, dst_ref))
  63     abort ();
  64 }