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
|
/* ldst-reg-reg-offset.s Test file for AArch64 load-store reg. (reg.offset)
instructions.
Copyright (C) 2011-2018 Free Software Foundation, Inc.
Contributed by ARM Ltd.
This file is part of GAS.
GAS 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.
GAS 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; see the file COPYING3. If not,
see <http://www.gnu.org/licenses/>. */
/* Only instructions loading from/storing to FP/SIMD register are
tested here. */
.macro op3_32 op, reg, ext, imm
.ifc \imm, -1
\op \reg\()7, [sp, w7, \ext]
.else
\op \reg\()7, [sp, w7, \ext #\imm]
.endif
.endm
.macro op3_64 op, reg, ext, imm
.ifc \imm, -1
\op \reg\()7, [sp, x7, \ext]
.else
\op \reg\()7, [sp, x7, \ext #\imm]
.endif
.endm
.macro op3 op, reg, ext, imm=-1
.ifc \ext, uxtw
op3_32 \op, \reg, \ext, \imm
.endif
.ifc \ext, sxtw
op3_32 \op, \reg, \ext, \imm
.endif
.ifc \ext, lsl
.ifnc \imm, -1
// shift <amount> is mandatory when 'lsl' is used
op3_64 \op, \reg, \ext, \imm
.else
// absent shift; lsl by default
\op \reg\()7, [sp, x7]
.endif
.endif
.ifc \ext, sxtx
op3_64 \op, \reg, \ext, \imm
.endif
.endm
.macro shift op, ext
op3 \op, b, \ext
op3 \op, b, \ext, 0
op3 \op, h, \ext, 0
op3 \op, h, \ext, 1
op3 \op, s, \ext, 0
op3 \op, s, \ext, 2
op3 \op, d, \ext, 0
op3 \op, d, \ext, 3
op3 \op, q, \ext, 0
op3 \op, q, \ext, 4
.endm
.macro extend op
.irp ext, uxtw, lsl, sxtw, sxtx
shift \op, \ext
.endr
.endm
.macro ld_or_st op
extend \op
.endm
func:
ld_or_st str
ld_or_st ldr
/* When the index register is of register 31, it should be ZR. */
ldr x1, [sp, xzr, sxtx #3]
str x1, [sp, xzr, sxtx #3]
ldr w1, [sp, wzr, sxtw #2]
str w1, [sp, wzr, sxtw #2]
|
