1 /* { dg-do run } */
2 /* { dg-options "-mavx512f -O2" } */
3 /* { dg-require-effective-target avx512f } */
4
5 #define SIZE (128 / 32)
6
7 #include <math.h>
8 #include "avx512f-check.h"
9
10 static void
compute_rndscaless(float * s1,float * s2,float * r,int imm)11 compute_rndscaless (float *s1, float *s2, float *r, int imm)
12 {
13 int rc, m;
14 rc = imm & 0xf;
15 m = imm >> 4;
16
17 switch (rc)
18 {
19 case _MM_FROUND_FLOOR:
20 r[0] = __builtin_floorf (s2[0] * pow (2, m)) / pow (2, m);
21 break;
22 case _MM_FROUND_CEIL:
23 r[0] = __builtin_ceilf (s2[0] * pow (2, m)) / pow (2, m);
24 break;
25 default:
26 abort ();
27 break;
28 }
29
30 r[1] = s1[1];
31 r[2] = s1[2];
32 r[3] = s1[3];
33 }
34
35 static void
avx512f_test(void)36 avx512f_test (void)
37 {
38 int imm = _MM_FROUND_FLOOR | (7 << 4);
39 union128 s1, s2, res1;
40 float res_ref[SIZE];
41
42 s1.x = _mm_set_ps (4.05084, -1.23162, 2.00231, -6.22103);
43 s2.x = _mm_set_ps (-4.19319, -3.53222, 7.33527, 5.57655);
44
45 res1.x = _mm_roundscale_ss (s1.x, s2.x, imm);
46
47 compute_rndscaless (s1.a, s2.a, res_ref, imm);
48
49 if (check_union128 (res1, res_ref))
50 abort ();
51 }
52