1/* { dg-do run } */
2/* { dg-options "-mavx512f -O2 -std=c99" } */
3/* { dg-require-effective-target avx512f } */
4/* { dg-require-effective-target c99_runtime } */
5
6#include "avx512f-check.h"
7#include <math.h>
8
9union fp_int_t
10{
11  long long int int_val;
12  double fp_val;
13};
14
15double
16get_norm_mant (double source, int signctrl, int interv)
17{
18  long long src, sign, exp, fraction;
19
20  union fp_int_t bin_conv;
21
22  bin_conv.fp_val = source;
23  src = bin_conv.int_val;
24  sign = (signctrl & 0x1) ? 0 : (src >> 63);
25  exp = (src & 0x7ff0000000000000) >> 52;
26  fraction = (src & 0xfffffffffffff);
27
28  if (isnan (source))
29    return signbit (source) ? -NAN : NAN;
30  if (source == 0.0 || source == -0.0 || isinf (source))
31    return sign ? -1.0 : 1.0;
32  if (signbit (source) && (signctrl & 0x2))
33    return -NAN;
34  if (!isnormal (source))
35    {
36      src = (src & 0xfff7ffffffffffff);
37      exp = 0x3ff;
38      while (!(src & 0x8000000000000))
39	{
40	  src += fraction & 0x8000000000000;
41	  fraction = fraction << 1;
42	  exp--;
43	}
44    }
45
46  switch (interv)
47    {
48    case 0:
49      exp = 0x3ff;
50      break;
51    case 1:
52      exp = ((exp - 0x3ff) & 0x1) ? 0x3fe : 0x3ff;
53      break;
54    case 2:
55      exp = 0x3fe;
56      break;
57    case 3:
58      exp = (fraction & 0x8000000000000) ? 0x3fe : 0x3ff;
59      break;
60    default:
61      abort ();
62    }
63
64  bin_conv.int_val = (sign << 63) | (exp << 52) | fraction;
65  return bin_conv.fp_val;
66}
67
68static void
69compute_vgetmantsd (double *r, double *s1, double *s2, int interv,
70		    int signctrl)
71{
72  r[0] = get_norm_mant (s2[0], signctrl, interv);
73  r[1] = s1[1];
74}
75
76static void
77avx512f_test (void)
78{
79  union128d res1, src1, src2;
80  double res_ref[2];
81  int interv = _MM_MANT_NORM_p5_1;
82  int signctrl = _MM_MANT_SIGN_src;
83
84  src1.x = _mm_set_pd (-3.0, 111.111);
85  src2.x = _mm_set_pd (222.222, -2.0);
86
87  res1.x = _mm_getmant_sd (src1.x, src2.x, interv, signctrl);
88
89  compute_vgetmantsd (res_ref, src1.a, src2.a, interv, signctrl);
90
91  if (check_union128d (res1, res_ref))
92    abort ();
93}
94