1 /* { dg-do run } */
2 /* { dg-options "-mavx2 -O2" } */
3 /* { dg-require-effective-target avx2 } */
4
5 #include "avx2-check.h"
6 #include <string.h>
7
8 #define NUM 20
9
10 #undef MASK
11 #define MASK 0xfe
12
13 static void
init_pblendw(short * src1,short * src2,int seed)14 init_pblendw (short *src1, short *src2, int seed)
15 {
16 int i, sign = 1;
17
18 for (i = 0; i < 16; i++)
19 {
20 src1[i] = (i + seed) * (i + seed) * sign;
21 src2[i] = (i + seed + 20) * sign;
22 sign = -sign;
23 }
24 }
25
26 static void
calc_pblendw(short * src1,short * src2,unsigned int mask,short * dst)27 calc_pblendw (short *src1, short *src2, unsigned int mask, short *dst)
28 {
29 int i;
30
31 memcpy (dst, src1, 32);
32 for (i = 0; i < 16; i++)
33 if (mask & (1 << (i % 8)))
34 dst[i] = src2[i];
35 }
36
37 static void
avx2_test(void)38 avx2_test (void)
39 {
40 union256i_w src1, src2, dst;
41 short dst_ref[16];
42 int i;
43
44 for (i = 0; i < NUM; i++)
45 {
46 init_pblendw (src1.a, src2.a, i);
47
48 dst.x = _mm256_blend_epi16 (src1.x, src2.x, MASK);
49 calc_pblendw (src1.a, src2.a, MASK, dst_ref);
50
51 if (check_union256i_w (dst, dst_ref))
52 abort ();
53 }
54 }
55