1 /* { dg-do run } */
2 /* { dg-options "-mavx2 -O2" } */
3 /* { dg-require-effective-target avx2 } */
4
5 #include "avx2-check.h"
6
7 static unsigned char
short_to_ubyte(short iVal)8 short_to_ubyte (short iVal)
9 {
10 unsigned char sVal;
11
12 if (iVal < 0)
13 sVal = 0;
14 else if (iVal > 255)
15 sVal = 255;
16 else
17 sVal = iVal;
18
19 return sVal;
20 }
21
22 void static
avx2_test(void)23 avx2_test (void)
24 {
25 union256i_w s1, s2;
26 union256i_b u;
27 char e[32];
28 int i;
29
30 s1.x = _mm256_set_epi16 (1, 2, 3, 4, 6500, 20, 30, 90,
31 88, 44, 33, 22, 11, 98, 78, -1000);
32
33 s2.x = _mm256_set_epi16 (88, 44, 33, 22, 11, 98, 76, -650,
34 1, 2, 3, 4, 6500, 20, 30, 90);
35
36 u.x = _mm256_packus_epi16 (s1.x, s2.x);
37
38 for (i = 0; i < 8; i++)
39 {
40 e[i] = short_to_ubyte (s1.a[i]);
41 e[i + 8] = short_to_ubyte (s2.a[i]);
42 e[i + 16] = short_to_ubyte (s1.a[i + 8]);
43 e[i + 24] = short_to_ubyte (s2.a[i + 8]);
44 }
45
46 if (check_union256i_b (u, e))
47 abort ();
48 }
49