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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
/* Test program for AVX 512 registers.
Copyright 2014-2017 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "x86-cpuid.h"
typedef struct
{
double f[8];
} v8sd_t;
short k_data[] =
{
0x1211,
0x2221,
0x3231,
0x4241,
0x5251,
0x6261,
0x7271
};
v8sd_t zmm_data[] =
{
{ { 0.0, 0.125, 0.25, 0.375, 0.50, 0.625, 0.75, 0.875 } },
{ { 1.0, 1.125, 1.25, 1.375, 1.50, 1.625, 1.75, 1.875 } },
{ { 2.0, 2.125, 2.25, 2.375, 2.50, 2.625, 2.75, 2.875 } },
{ { 3.0, 3.125, 3.25, 3.375, 3.50, 3.625, 3.75, 3.875 } },
{ { 4.0, 4.125, 4.25, 4.375, 4.50, 4.625, 4.75, 4.875 } },
{ { 5.0, 5.125, 5.25, 5.375, 5.50, 5.625, 5.75, 5.875 } },
{ { 6.0, 6.125, 6.25, 6.375, 6.50, 6.625, 6.75, 6.875 } },
{ { 7.0, 7.125, 7.25, 7.375, 7.50, 7.625, 7.75, 7.875 } },
#ifdef __x86_64__
{ { 8.0, 8.125, 8.25, 8.375, 8.50, 8.625, 8.75, 8.875 } },
{ { 9.0, 9.125, 9.25, 9.375, 9.50, 9.625, 9.75, 9.875 } },
{ { 10.0, 10.125, 10.25, 10.375, 10.50, 10.625, 10.75, 10.875 } },
{ { 11.0, 11.125, 11.25, 11.375, 11.50, 11.625, 11.75, 11.875 } },
{ { 12.0, 12.125, 12.25, 12.375, 12.50, 12.625, 12.75, 12.875 } },
{ { 13.0, 13.125, 13.25, 13.375, 13.50, 13.625, 13.75, 13.875 } },
{ { 14.0, 14.125, 14.25, 14.375, 14.50, 14.625, 14.75, 14.875 } },
{ { 15.0, 15.125, 15.25, 15.375, 15.50, 15.625, 15.75, 15.875 } },
{ { 16.0, 16.125, 16.25, 16.375, 16.50, 16.625, 16.75, 16.875 } },
{ { 17.0, 17.125, 17.25, 17.375, 17.50, 17.625, 17.75, 17.875 } },
{ { 18.0, 18.125, 18.25, 18.375, 18.50, 18.625, 18.75, 18.875 } },
{ { 19.0, 19.125, 19.25, 19.375, 19.50, 19.625, 19.75, 19.875 } },
{ { 20.0, 20.125, 20.25, 20.375, 20.50, 20.625, 20.75, 20.875 } },
{ { 21.0, 21.125, 21.25, 21.375, 21.50, 21.625, 21.75, 21.875 } },
{ { 22.0, 22.125, 22.25, 22.375, 22.50, 22.625, 22.75, 22.875 } },
{ { 23.0, 23.125, 23.25, 23.375, 23.50, 23.625, 23.75, 23.875 } },
{ { 24.0, 24.125, 24.25, 24.375, 24.50, 24.625, 24.75, 24.875 } },
{ { 25.0, 25.125, 25.25, 25.375, 25.50, 25.625, 25.75, 25.875 } },
{ { 26.0, 26.125, 26.25, 26.375, 26.50, 26.625, 26.75, 26.875 } },
{ { 27.0, 27.125, 27.25, 27.375, 27.50, 27.625, 27.75, 27.875 } },
{ { 28.0, 28.125, 28.25, 28.375, 28.50, 28.625, 28.75, 28.875 } },
{ { 29.0, 29.125, 29.25, 29.375, 29.50, 29.625, 29.75, 29.875 } },
{ { 30.0, 30.125, 30.25, 30.375, 30.50, 30.625, 30.75, 30.875 } },
{ { 31.0, 31.125, 31.25, 31.375, 31.50, 31.625, 31.75, 31.875 } },
{ { 32.0, 32.125, 32.25, 32.375, 32.50, 32.625, 32.75, 32.875 } },
#endif
};
int
have_avx512 (void)
{
unsigned int eax, ebx, ecx, edx, max_level, vendor, has_osxsave, has_avx512f;
max_level = __get_cpuid_max (0, &vendor);
__cpuid (1, eax, ebx, ecx, edx);
has_osxsave = ecx & bit_OSXSAVE;
if (max_level >= 7)
{
__cpuid_count (7, 0, eax, ebx, ecx, edx);
has_avx512f = ebx & bit_AVX512F;
}
if (has_osxsave && has_avx512f)
return 1;
else
return 0;
}
void
move_k_data_to_reg (void)
{
asm ("kmovw 0(%0), %%k1\n\t"
"kmovw 2(%0), %%k2\n\t"
"kmovw 4(%0), %%k3\n\t"
"kmovw 6(%0), %%k4\n\t"
"kmovw 8(%0), %%k5\n\t"
"kmovw 10(%0), %%k6\n\t"
"kmovw 12(%0), %%k7\n\t"
: /* no output operands */
: "r" (k_data));
}
void
move_k_data_to_memory (void)
{
asm ("kmovw %%k1, 0(%0) \n\t"
"kmovw %%k2, 2(%0) \n\t"
"kmovw %%k3, 4(%0) \n\t"
"kmovw %%k4, 6(%0) \n\t"
"kmovw %%k5, 8(%0) \n\t"
"kmovw %%k6, 10(%0) \n\t"
"kmovw %%k7, 12(%0) \n\t"
: /* no output operands */
: "r" (k_data));
}
void
move_zmm_data_to_reg (void)
{
asm ("vmovups 0(%0), %%zmm0 \n\t"
"vmovups 64(%0), %%zmm1 \n\t"
"vmovups 128(%0), %%zmm2 \n\t"
"vmovups 192(%0), %%zmm3 \n\t"
"vmovups 256(%0), %%zmm4 \n\t"
"vmovups 320(%0), %%zmm5 \n\t"
"vmovups 384(%0), %%zmm6 \n\t"
"vmovups 448(%0), %%zmm7 \n\t"
: /* no output operands */
: "r" (zmm_data));
#ifdef __x86_64__
asm ("vmovups 512(%0), %%zmm8 \n\t"
"vmovups 576(%0), %%zmm9 \n\t"
"vmovups 640(%0), %%zmm10 \n\t"
"vmovups 704(%0), %%zmm11 \n\t"
"vmovups 768(%0), %%zmm12 \n\t"
"vmovups 832(%0), %%zmm13 \n\t"
"vmovups 896(%0), %%zmm14 \n\t"
"vmovups 960(%0), %%zmm15 \n\t"
: /* no output operands */
: "r" (zmm_data));
asm ("vmovups 1024(%0), %%zmm16 \n\t"
"vmovups 1088(%0), %%zmm17 \n\t"
"vmovups 1152(%0), %%zmm18 \n\t"
"vmovups 1216(%0), %%zmm19 \n\t"
"vmovups 1280(%0), %%zmm20 \n\t"
"vmovups 1344(%0), %%zmm21 \n\t"
"vmovups 1408(%0), %%zmm22 \n\t"
"vmovups 1472(%0), %%zmm23 \n\t"
"vmovups 1536(%0), %%zmm24 \n\t"
"vmovups 1600(%0), %%zmm25 \n\t"
"vmovups 1664(%0), %%zmm26 \n\t"
"vmovups 1728(%0), %%zmm27 \n\t"
"vmovups 1792(%0), %%zmm28 \n\t"
"vmovups 1856(%0), %%zmm29 \n\t"
"vmovups 1920(%0), %%zmm30 \n\t"
"vmovups 1984(%0), %%zmm31 \n\t"
: /* no output operands */
: "r" (zmm_data));
#endif
}
void
move_zmm_data_to_memory (void)
{
asm ("vmovups %%zmm0, 0(%0)\n\t"
"vmovups %%zmm1, 64(%0)\n\t"
"vmovups %%zmm2, 128(%0)\n\t"
"vmovups %%zmm3, 192(%0)\n\t"
"vmovups %%zmm4, 256(%0)\n\t"
"vmovups %%zmm5, 320(%0)\n\t"
"vmovups %%zmm6, 384(%0)\n\t"
"vmovups %%zmm7, 448(%0)\n\t"
: /* no output operands */
: "r" (zmm_data));
#ifdef __x86_64__
asm ("vmovups %%zmm8, 512(%0)\n\t"
"vmovups %%zmm9, 576(%0)\n\t"
"vmovups %%zmm10, 640(%0)\n\t"
"vmovups %%zmm11, 704(%0)\n\t"
"vmovups %%zmm12, 768(%0)\n\t"
"vmovups %%zmm13, 832(%0)\n\t"
"vmovups %%zmm14, 896(%0)\n\t"
"vmovups %%zmm15, 960(%0)\n\t"
: /* no output operands */
: "r" (zmm_data));
asm ("vmovups %%zmm16, 1024(%0)\n\t"
"vmovups %%zmm17, 1088(%0)\n\t"
"vmovups %%zmm18, 1152(%0)\n\t"
"vmovups %%zmm19, 1216(%0)\n\t"
"vmovups %%zmm20, 1280(%0)\n\t"
"vmovups %%zmm21, 1344(%0)\n\t"
"vmovups %%zmm22, 1408(%0)\n\t"
"vmovups %%zmm23, 1472(%0)\n\t"
"vmovups %%zmm24, 1536(%0)\n\t"
"vmovups %%zmm25, 1600(%0)\n\t"
"vmovups %%zmm26, 1664(%0)\n\t"
"vmovups %%zmm27, 1728(%0)\n\t"
"vmovups %%zmm28, 1792(%0)\n\t"
"vmovups %%zmm29, 1856(%0)\n\t"
"vmovups %%zmm30, 1920(%0)\n\t"
"vmovups %%zmm31, 1984(%0)\n\t"
: /* no output operands */
: "r" (zmm_data));
#endif
}
int
main (int argc, char **argv)
{
if (have_avx512 ())
{
/* Test for K registers. */
move_k_data_to_reg ();
asm ("nop"); /* first breakpoint here */
move_k_data_to_memory ();
asm ("nop"); /* second breakpoint here */
/* Test for ZMM registers. */
/* Move initial values from array to registers and read from ZMM regs. */
move_zmm_data_to_reg ();
asm ("nop"); /* third breakpoint here */
/* Test script incremented values,
move back to array and check values. */
move_zmm_data_to_memory ();
asm ("nop"); /* fourth breakpoint here */
/* Test for YMM registers. */
/* Test script incremented YMM values,
move back to array and check values. */
move_zmm_data_to_memory ();
asm ("nop"); /* fifth breakpoint here */
/* Test for XMM registers. */
/* Test script incremented XMM values,
move back to array and check values. */
move_zmm_data_to_memory ();
asm ("nop"); /* sixth breakpoint here */
}
return 0;
}
|
