gcc/testsuite/gcc.target/i386/avx512bw-vpackuswb-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 DST_SIZE (AVX512F_LEN / 8)
   9 #define SRC_SIZE (AVX512F_LEN / 16)
  10
  11 #include "limits.h"
  12
  13 #include "avx512f-mask-type.h"
  14
  15 static unsigned char
  16 EVAL(short_to_uchar, AVX512F_LEN,) (short iVal)
  17 {
  18   unsigned char sVal;
  19
  20   if (iVal < 0)
  21     sVal = 0;
  22   else if (iVal > UCHAR_MAX)
  23     sVal = UCHAR_MAX;
  24   else
  25     sVal = iVal;
  26
  27   return sVal;
  28 }
  29
  30 void
  31 CALC (short *src1, short *src2, unsigned char *dst)
  32 {
  33   int i;
  34   short *ptr;
  35
  36   for (i = 0; i < DST_SIZE; i++)
  37     {
  38       ptr = (i / 8) % 2 ? src2 : src1;
  39       dst[i] = EVAL(short_to_uchar, AVX512F_LEN,) (ptr[i % 8 + (i / 16) * 8]);
  40     }
  41 }
  42
  43 void
  44 TEST (void)
  45 {
  46   UNION_TYPE (AVX512F_LEN, i_w) s1, s2;
  47   UNION_TYPE (AVX512F_LEN, i_b) res1, res2, res3;
  48   MASK_TYPE mask = MASK_VALUE;
  49   unsigned char dst_ref[DST_SIZE];
  50   int i;
  51
  52   for (i = 0; i < DST_SIZE; i++)
  53     res2.a[i] = DEFAULT_VALUE;
  54
  55   for (i = 0; i < SRC_SIZE; i++)
  56     {
  57       s1.a[i] = i + 10;
  58       s2.a[i] = i + 15;
  59     }
  60
  61   res1.x = INTRINSIC (_packus_epi16) (s1.x, s2.x);
  62   res2.x = INTRINSIC (_mask_packus_epi16) (res2.x, mask, s1.x, s2.x);
  63   res3.x = INTRINSIC (_maskz_packus_epi16) (mask, s1.x, s2.x);
  64
  65   CALC (s1.a, s2.a, dst_ref);
  66
  67   if (UNION_CHECK (AVX512F_LEN, i_b) (res1, dst_ref))
  68     abort ();
  69
  70   MASK_MERGE (i_b) (dst_ref, mask, DST_SIZE);
  71   if (UNION_CHECK (AVX512F_LEN, i_b) (res2, dst_ref))
  72     abort ();
  73
  74   MASK_ZERO (i_b) (dst_ref, mask, DST_SIZE);
  75   if (UNION_CHECK (AVX512F_LEN, i_b) (res3, dst_ref))
  76     abort ();
  77
  78 }