blob: 8642bdb74f33f7aaa6a1025530384a53d7b9f461 (
plain)
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
|
; Machine description for AArch64 architecture.
; Copyright (C) 2009-2015 Free Software Foundation, Inc.
; Contributed by ARM Ltd.
;
; This file is part of GCC.
;
; GCC 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, or (at your option)
; any later version.
;
; GCC 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 GCC; see the file COPYING3. If not see
; <http://www.gnu.org/licenses/>.
HeaderInclude
config/aarch64/aarch64-opts.h
TargetVariable
enum aarch64_processor explicit_tune_core = aarch64_none
TargetVariable
enum aarch64_arch explicit_arch = aarch64_no_arch
TargetSave
const char *x_aarch64_override_tune_string
TargetVariable
unsigned long aarch64_isa_flags = 0
; The TLS dialect names to use with -mtls-dialect.
Enum
Name(tls_type) Type(enum aarch64_tls_type)
The possible TLS dialects:
EnumValue
Enum(tls_type) String(trad) Value(TLS_TRADITIONAL)
EnumValue
Enum(tls_type) String(desc) Value(TLS_DESCRIPTORS)
; The code model option names for -mcmodel.
Enum
Name(cmodel) Type(enum aarch64_code_model)
The code model option names for -mcmodel:
EnumValue
Enum(cmodel) String(tiny) Value(AARCH64_CMODEL_TINY)
EnumValue
Enum(cmodel) String(small) Value(AARCH64_CMODEL_SMALL)
EnumValue
Enum(cmodel) String(large) Value(AARCH64_CMODEL_LARGE)
mbig-endian
Target Report RejectNegative Mask(BIG_END)
Assume target CPU is configured as big endian
mgeneral-regs-only
Target Report RejectNegative Mask(GENERAL_REGS_ONLY) Save
Generate code which uses only the general registers
mfix-cortex-a53-835769
Target Report Var(aarch64_fix_a53_err835769) Init(2) Save
Workaround for ARM Cortex-A53 Erratum number 835769
mfix-cortex-a53-843419
Target Report
Workaround for ARM Cortex-A53 Erratum number 843419
mlittle-endian
Target Report RejectNegative InverseMask(BIG_END)
Assume target CPU is configured as little endian
mcmodel=
Target RejectNegative Joined Enum(cmodel) Var(aarch64_cmodel_var) Init(AARCH64_CMODEL_SMALL) Save
Specify the code model
mstrict-align
Target Report RejectNegative Mask(STRICT_ALIGN) Save
Don't assume that unaligned accesses are handled by the system
momit-leaf-frame-pointer
Target Report Var(flag_omit_leaf_frame_pointer) Init(2) Save
Omit the frame pointer in leaf functions
mtls-dialect=
Target RejectNegative Joined Enum(tls_type) Var(aarch64_tls_dialect) Init(TLS_DESCRIPTORS) Save
Specify TLS dialect
mtls-size=
Target RejectNegative Joined Var(aarch64_tls_size) Enum(aarch64_tls_size)
Specifies bit size of immediate TLS offsets. Valid values are 12, 24, 32, 48.
Enum
Name(aarch64_tls_size) Type(int)
EnumValue
Enum(aarch64_tls_size) String(12) Value(12)
EnumValue
Enum(aarch64_tls_size) String(24) Value(24)
EnumValue
Enum(aarch64_tls_size) String(32) Value(32)
EnumValue
Enum(aarch64_tls_size) String(48) Value(48)
march=
Target RejectNegative ToLower Joined Var(aarch64_arch_string)
-march=ARCH Use features of architecture ARCH
mcpu=
Target RejectNegative ToLower Joined Var(aarch64_cpu_string)
-mcpu=CPU Use features of and optimize for CPU
mtune=
Target RejectNegative ToLower Joined Var(aarch64_tune_string)
-mtune=CPU Optimize for CPU
mabi=
Target RejectNegative Joined Enum(aarch64_abi) Var(aarch64_abi) Init(AARCH64_ABI_DEFAULT)
-mabi=ABI Generate code that conforms to the specified ABI
moverride=
Target RejectNegative ToLower Joined Var(aarch64_override_tune_string)
-moverride=STRING Power users only! Override CPU optimization parameters
Enum
Name(aarch64_abi) Type(int)
Known AArch64 ABIs (for use with the -mabi= option):
EnumValue
Enum(aarch64_abi) String(ilp32) Value(AARCH64_ABI_ILP32)
EnumValue
Enum(aarch64_abi) String(lp64) Value(AARCH64_ABI_LP64)
|
