1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/* { dg-do run } */
/* { dg-options "-mavx512f -O2 -std=c99" } */
/* { dg-require-effective-target avx512f } */
/* { dg-require-effective-target c99_runtime } */
#include "avx512f-check.h"
#include <math.h>
#include "avx512f-helper.h"
#define SIZE (128/64)
#include "avx512f-mask-type.h"
union fp_int_t
{
long long int int_val;
double fp_val;
};
double
get_norm_mant (double source, int signctrl, int interv)
{
long long src, sign, exp, fraction;
union fp_int_t bin_conv;
bin_conv.fp_val = source;
src = bin_conv.int_val;
sign = (signctrl & 0x1) ? 0 : (src >> 63);
exp = (src & 0x7ff0000000000000) >> 52;
fraction = (src & 0xfffffffffffff);
if (isnan (source))
return signbit (source) ? -NAN : NAN;
if (source == 0.0 || source == -0.0 || isinf (source))
return sign ? -1.0 : 1.0;
if (signbit (source) && (signctrl & 0x2))
return -NAN;
if (!isnormal (source))
{
src = (src & 0xfff7ffffffffffff);
exp = 0x3ff;
while (!(src & 0x8000000000000))
{
src += fraction & 0x8000000000000;
fraction = fraction << 1;
exp--;
}
}
switch (interv)
{
case 0:
exp = 0x3ff;
break;
case 1:
exp = ((exp - 0x3ff) & 0x1) ? 0x3fe : 0x3ff;
break;
case 2:
exp = 0x3fe;
break;
case 3:
exp = (fraction & 0x8000000000000) ? 0x3fe : 0x3ff;
break;
default:
abort ();
}
bin_conv.int_val = (sign << 63) | (exp << 52) | fraction;
return bin_conv.fp_val;
}
static void
compute_vgetmantsd (double *r, double *s1, double *s2, int interv,
int signctrl)
{
r[0] = get_norm_mant (s2[0], signctrl, interv);
r[1] = s1[1];
}
static void
avx512f_test (void)
{
union128d res1, res2, res3, res4, res5, res6, src1, src2;
double res_ref[2];
MASK_TYPE mask = MASK_VALUE;
src1.x = _mm_set_pd (-3.0, 111.111);
src2.x = _mm_set_pd (222.222, -2.0);
int i;
for (i = 0; i < SIZE; i++)
{
res2.a[i] = DEFAULT_VALUE;
res5.a[i] = DEFAULT_VALUE;
}
res1.x = _mm_getmant_sd (src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
res2.x = _mm_mask_getmant_sd (res2.x, mask, src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
res3.x = _mm_maskz_getmant_sd (mask, src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
res4.x = _mm_getmant_round_sd (src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src, _MM_FROUND_NO_EXC);
res5.x = _mm_mask_getmant_round_sd (res5.x, mask, src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src, _MM_FROUND_NO_EXC);
res6.x = _mm_maskz_getmant_round_sd (mask, src1.x, src2.x, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src, _MM_FROUND_NO_EXC);
compute_vgetmantsd (res_ref, src1.a, src2.a, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
if (check_union128d (res1, res_ref))
abort ();
MASK_MERGE (d) (res_ref, mask, 1);
if (check_union128d (res2, res_ref))
abort ();
MASK_ZERO (d) (res_ref, mask, 1);
if (check_union128d (res3, res_ref))
abort ();
compute_vgetmantsd (res_ref, src1.a, src2.a, _MM_MANT_NORM_p5_1, _MM_MANT_SIGN_src);
if (check_union128d (res4, res_ref))
abort ();
MASK_MERGE (d) (res_ref, mask, 1);
if (check_union128d (res5, res_ref))
abort ();
MASK_ZERO (d) (res_ref, mask, 1);
if (check_union128d (res6, res_ref))
abort ();
}
|
