2 /* { dg-options "-mavx2 -O2" } */
3 /* { dg-require-effective-target avx2 } */
5 #include "avx2-check.h"
6 #include "ssse3-vals.h"
9 signed_saturate_to_word (int x
)
14 if (x
< (int) 0xffff8000)
21 compute_phaddsw256 (short *i1
, short *i2
, short *r
)
25 for (i
= 0; i
< 4; i
++)
26 r
[i
+ 0] = signed_saturate_to_word (i1
[2 * i
] + i1
[2 * i
+ 1]);
28 for (i
= 0; i
< 4; i
++)
29 r
[i
+ 4] = signed_saturate_to_word (i2
[2 * i
] + i2
[2 * i
+ 1]);
31 for (i
= 0; i
< 4; i
++)
32 r
[i
+ 8] = signed_saturate_to_word (i1
[2 * i
+ 8] + i1
[2 * i
+ 9]);
34 for (i
= 0; i
< 4; i
++)
35 r
[i
+ 12] = signed_saturate_to_word (i2
[2 * i
+ 8] + i2
[2 * i
+ 9]);
41 union256i_w s1
, s2
, res
;
47 for (i
= 0; i
< 256; i
+= 16)
49 s1
.x
= _mm256_loadu_si256 ((__m256i
*) & vals
[i
]);
50 s2
.x
= _mm256_loadu_si256 ((__m256i
*) & vals
[i
+ 8]);
52 res
.x
= _mm256_hadds_epi16 (s1
.x
, s2
.x
);
54 compute_phaddsw256 (s1
.a
, s2
.a
, res_ref
);
56 fail
+= check_union256i_w (res
, res_ref
);