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
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 2015-2016 Free Software Foundation, Inc.
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 <arm_neon.h>
static void
load (void)
{
int buf[8];
asm ("ld1 { v1.8b }, [%[buf]]\n"
"ld1 { v2.8b, v3.8b }, [%[buf]]\n"
"ld1 { v3.8b, v4.8b, v5.8b }, [%[buf]]\n"
:
: [buf] "r" (buf)
: /* No clobbers */);
}
static void
move (void)
{
float32x2_t b1_ = vdup_n_f32(123.0f);
float32_t a1_ = 0;
float64x1_t b2_ = vdup_n_f64(456.0f);
float64_t a2_ = 0;
asm ("ins %0.s[0], %w1\n"
: "=w"(b1_)
: "r"(a1_), "0"(b1_)
: /* No clobbers */);
asm ("ins %0.d[1], %x1\n"
: "=w"(b2_)
: "r"(a2_), "0"(b2_)
: /* No clobbers */);
}
static void
adv_simd_mod_imm (void)
{
float32x2_t a1 = {2.0, 4.0};
asm ("bic %0.2s, #1\n"
"bic %0.2s, #1, lsl #8\n"
: "=w"(a1)
: "0"(a1)
: /* No clobbers */);
}
static void
adv_simd_scalar_index (void)
{
float64x2_t b_ = {0.0, 0.0};
float64_t a_ = 1.0;
float64_t result;
asm ("fmla %d0,%d1,%2.d[1]"
: "=w"(result)
: "w"(a_), "w"(b_)
: /* No clobbers */);
}
static void
adv_simd_smlal (void)
{
asm ("smlal v13.2d, v8.2s, v0.2s");
}
static void
adv_simd_vect_shift (void)
{
asm ("fcvtzs s0, s0, #1");
}
int
main ()
{
load ();
move ();
adv_simd_mod_imm ();
adv_simd_scalar_index ();
adv_simd_smlal ();
adv_simd_vect_shift ();
return 0;
}
|
