gcc/testsuite/gcc.target/i386/avx512dq-vreduceps-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -mavx512dq -DAVX512DQ" } */
   3 /* { dg-require-effective-target avx512dq } */
   4
   5 #include "avx512f-helper.h"
   6
   7 #define SIZE (AVX512F_LEN / 32)
   8 #include "avx512f-mask-type.h"
   9
  10 #define IMM 0x23
  11
  12 void
  13 CALC (float *s, float *r)
  14 {
  15   int i;
  16
  17   for (i = 0; i < SIZE; i++)
  18     {
  19       float tmp = (int) (4 * s[i]) / 4.0;
  20       r[i] = s[i] - tmp;
  21     }
  22 }
  23
  24 void
  25 TEST (void)
  26 {
  27   UNION_TYPE (AVX512F_LEN,) s, res1, res2, res3;
  28   MASK_TYPE mask = MASK_VALUE;
  29   float res_ref[SIZE];
  30   int i, sign = 1;
  31
  32   for (i = 0; i < SIZE; i++)
  33     {
  34       s.a[i] = 123.456 * (i + 2000) * sign;
  35       res2.a[i] = DEFAULT_VALUE;
  36       sign = -sign;
  37     }
  38
  39   res1.x = INTRINSIC (_reduce_ps) (s.x, IMM);
  40   res2.x = INTRINSIC (_mask_reduce_ps) (res2.x, mask, s.x, IMM);
  41   res3.x = INTRINSIC (_maskz_reduce_ps) (mask, s.x, IMM);
  42
  43   CALC (s.a, res_ref);
  44
  45   if (UNION_FP_CHECK (AVX512F_LEN,) (res1, res_ref))
  46     abort ();
  47
  48   MASK_MERGE () (res_ref, mask, SIZE);
  49   if (UNION_FP_CHECK (AVX512F_LEN,) (res2, res_ref))
  50     abort ();
  51
  52   MASK_ZERO () (res_ref, mask, SIZE);
  53   if (UNION_FP_CHECK (AVX512F_LEN,) (res3, res_ref))
  54     abort ();
  55 }