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
|
/* Test program for SSE registers.
Copyright 2004-2020 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 <stdio.h>
#include "nat/x86-cpuid.h"
typedef struct {
float f[4];
} v4sf_t;
v4sf_t data[] =
{
{ { 0.0, 0.25, 0.50, 0.75 } },
{ { 1.0, 1.25, 1.50, 1.75 } },
{ { 2.0, 2.25, 2.50, 2.75 } },
{ { 3.0, 3.25, 3.50, 3.75 } },
{ { 4.0, 4.25, 4.50, 4.75 } },
{ { 5.0, 5.25, 5.50, 5.75 } },
{ { 6.0, 6.25, 6.50, 6.75 } },
{ { 7.0, 7.25, 7.50, 7.75 } },
#ifdef __x86_64__
{ { 8.0, 8.25, 8.50, 8.75 } },
{ { 9.0, 9.25, 9.50, 9.75 } },
{ { 10.0, 10.25, 10.50, 10.75 } },
{ { 11.0, 11.25, 11.50, 11.75 } },
{ { 12.0, 12.25, 12.50, 12.75 } },
{ { 13.0, 13.25, 13.50, 13.75 } },
{ { 14.0, 14.25, 14.50, 14.75 } },
{ { 15.0, 15.25, 15.50, 15.75 } },
#endif
};
int
have_sse (void)
{
int edx;
if (!x86_cpuid (1, NULL, NULL, NULL, &edx))
return 0;
if (edx & bit_SSE)
return 1;
else
return 0;
}
int
main (int argc, char **argv)
{
if (have_sse ())
{
asm ("movaps 0(%0), %%xmm0\n\t"
"movaps 16(%0), %%xmm1\n\t"
"movaps 32(%0), %%xmm2\n\t"
"movaps 48(%0), %%xmm3\n\t"
"movaps 64(%0), %%xmm4\n\t"
"movaps 80(%0), %%xmm5\n\t"
"movaps 96(%0), %%xmm6\n\t"
"movaps 112(%0), %%xmm7\n\t"
: /* no output operands */
: "r" (data)
: "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7");
#ifdef __x86_64__
asm ("movaps 128(%0), %%xmm8\n\t"
"movaps 144(%0), %%xmm9\n\t"
"movaps 160(%0), %%xmm10\n\t"
"movaps 176(%0), %%xmm11\n\t"
"movaps 192(%0), %%xmm12\n\t"
"movaps 208(%0), %%xmm13\n\t"
"movaps 224(%0), %%xmm14\n\t"
"movaps 240(%0), %%xmm15\n\t"
: /* no output operands */
: "r" (data)
: "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15");
#endif
asm ("nop"); /* first breakpoint here */
asm (
"movaps %%xmm0, 0(%0)\n\t"
"movaps %%xmm1, 16(%0)\n\t"
"movaps %%xmm2, 32(%0)\n\t"
"movaps %%xmm3, 48(%0)\n\t"
"movaps %%xmm4, 64(%0)\n\t"
"movaps %%xmm5, 80(%0)\n\t"
"movaps %%xmm6, 96(%0)\n\t"
"movaps %%xmm7, 112(%0)\n\t"
: /* no output operands */
: "r" (data)
: "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7");
#ifdef __x86_64__
asm (
"movaps %%xmm8, 128(%0)\n\t"
"movaps %%xmm9, 144(%0)\n\t"
"movaps %%xmm10, 160(%0)\n\t"
"movaps %%xmm11, 176(%0)\n\t"
"movaps %%xmm12, 192(%0)\n\t"
"movaps %%xmm13, 208(%0)\n\t"
"movaps %%xmm14, 224(%0)\n\t"
"movaps %%xmm15, 240(%0)\n\t"
: /* no output operands */
: "r" (data)
: "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15");
#endif
puts ("Bye!"); /* second breakpoint here */
}
return 0;
}
|
