1 /* { dg-do run } */
2 /* { dg-require-effective-target fma } */
3 /* { dg-options "-O2 -mfma" } */
4
5 #include "fma-check.h"
6
7 #include <x86intrin.h>
8 #include "m256-check.h"
9
10 void
check_mm256_fmsubadd_ps(__m256 __A,__m256 __B,__m256 __C)11 check_mm256_fmsubadd_ps (__m256 __A, __m256 __B, __m256 __C)
12 {
13 union256 a, b, c, e;
14 a.x = __A;
15 b.x = __B;
16 c.x = __C;
17 float d[8];
18 int i;
19 e.x = _mm256_fmsubadd_ps (__A, __B, __C);
20 for (i = 0; i < 8; i++)
21 {
22 d[i] = a.a[i] * b.a[i] + (i % 2 == 1 ? -c.a[i] : c.a[i]);
23 }
24 if (check_union256 (e, d))
25 abort ();
26 }
27
28 void
check_mm256_fmsubadd_pd(__m256d __A,__m256d __B,__m256d __C)29 check_mm256_fmsubadd_pd (__m256d __A, __m256d __B, __m256d __C)
30 {
31 union256d a, b, c, e;
32 a.x = __A;
33 b.x = __B;
34 c.x = __C;
35 double d[4];
36 int i;
37 e.x = _mm256_fmsubadd_pd (__A, __B, __C);
38 for (i = 0; i < 4; i++)
39 {
40 d[i] = a.a[i] * b.a[i] + (i % 2 == 1 ? -c.a[i] : c.a[i]);
41 }
42 if (check_union256d (e, d))
43 abort ();
44 }
45
46 static void
fma_test(void)47 fma_test (void)
48 {
49 union256 c[3];
50 union256d d[3];
51 int i, j;
52 for (i = 0; i < 3; i++)
53 {
54 for (j = 0; j < 8; j++)
55 c[i].a[j] = i * j + 3.5;
56 for (j = 0; j < 4; j++)
57 d[i].a[j] = i * j + 3.5;
58 }
59 check_mm256_fmsubadd_pd (d[0].x, d[1].x, d[2].x);
60 check_mm256_fmsubadd_ps (c[0].x, c[1].x, c[2].x);
61 }
62