1 /* { dg-do run } */
2 /* { dg-require-effective-target avx2 } */
3 /* { dg-options "-O2 -mavx2" } */
4 
5 #include <string.h>
6 #include "avx2-check.h"
7 
8 #define N 0xec
9 
10 static void
compute_pshufhw256(short * s1,unsigned char imm,short * r)11 compute_pshufhw256 (short *s1, unsigned char imm, short *r)
12 {
13   int i;
14 
15   for (i = 0; i < 4; i++)
16     {
17       r[i] = s1[i];
18       r[i + 8] = s1[i + 8];
19     }
20 
21   for (i = 4; i < 8; i++)
22     {
23       r[i] = s1[((imm >> (2 * (i - 4))) & 3) + 4];
24       r[i + 8] = s1[((imm >> (2 * (i - 4))) & 3) + 12];
25     }
26 }
27 
28 void static
avx2_test(void)29 avx2_test (void)
30 {
31   union256i_w s1, res;
32   short res_ref[16];
33   int i, j, sign = 1;
34   int fail = 0;
35 
36   for (i = 1; i < 10; i++)
37     {
38       for (j = 0; j < 16; j++)
39 	{
40 	  s1.a[j] = j * i * sign;
41 	  sign = -sign;
42 	}
43 
44       res.x = _mm256_shufflehi_epi16 (s1.x, N);
45       compute_pshufhw256 (s1.a, N, res_ref);
46 
47       fail += check_union256i_w (res, res_ref);
48     }
49 
50   if (fail != 0)
51     abort ();
52 }
53