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
|
; Options for the ARM port of the compiler.
; Copyright (C) 2005 Free Software Foundation, Inc.
;
; 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 2, 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 COPYING. If not, write to the Free
; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
; 02110-1301, USA.
mabi=
Target RejectNegative Joined Var(target_abi_name)
Specify an ABI
mabort-on-noreturn
Target Report Mask(ABORT_NORETURN)
Generate a call to abort if a noreturn function returns
mapcs
Target RejectNegative Mask(APCS_FRAME) MaskExists Undocumented
mapcs-float
Target Report Mask(APCS_FLOAT)
Pass FP arguments in FP registers
mapcs-frame
Target Report Mask(APCS_FRAME)
Generate APCS conformant stack frames
mapcs-reentrant
Target Report Mask(APCS_REENT)
Generate re-entrant, PIC code
mapcs-stack-check
Target Report Mask(APCS_STACK) Undocumented
march=
Target RejectNegative Joined
Specify the name of the target architecture
marm
Target RejectNegative InverseMask(THUMB) Undocumented
mbig-endian
Target Report RejectNegative Mask(BIG_END)
Assume target CPU is configured as big endian
mcallee-super-interworking
Target Report Mask(CALLEE_INTERWORKING)
Thumb: Assume non-static functions may be called from ARM code
mcaller-super-interworking
Target Report Mask(CALLER_INTERWORKING)
Thumb: Assume function pointers may go to non-Thumb aware code
mcirrus-fix-invalid-insns
Target Report Mask(CIRRUS_FIX_INVALID_INSNS)
Cirrus: Place NOPs to avoid invalid instruction combinations
mcpu=
Target RejectNegative Joined
Specify the name of the target CPU
mfloat-abi=
Target RejectNegative Joined Var(target_float_abi_name)
Specify if floating point hardware should be used
mfp=
Target RejectNegative Joined Undocumented Var(target_fpe_name) VarExists
;; Now ignored.
mfpe
Target RejectNegative Mask(FPE) Undocumented
mfpe=
Target RejectNegative Joined Undocumented Var(target_fpe_name)
mfpu=
Target RejectNegative Joined Var(target_fpu_name)
Specify the name of the target floating point hardware/format
mhard-float
Target RejectNegative
Alias for -mfloat-abi=hard
mlittle-endian
Target Report RejectNegative InverseMask(BIG_END)
Assume target CPU is configured as little endian
mlong-calls
Target Report Mask(LONG_CALLS)
Generate call insns as indirect calls, if necessary
mpic-register=
Target RejectNegative Joined Var(arm_pic_register_string)
Specify the register to be used for PIC addressing
mpoke-function-name
Target Report Mask(POKE_FUNCTION_NAME)
Store function names in object code
msched-prolog
Target Report Mask(SCHED_PROLOG)
Permit scheduling of a function's prologue sequence
msingle-pic-base
Target Report Mask(SINGLE_PIC_BASE)
Do not load the PIC register in function prologues
msoft-float
Target RejectNegative
Alias for -mfloat-abi=soft
mstructure-size-boundary=
Target RejectNegative Joined Var(structure_size_string)
Specify the minimum bit alignment of structures
mthumb
Target Report Mask(THUMB)
Compile for the Thumb not the ARM
mthumb-interwork
Target Report Mask(INTERWORK)
Support calls between Thumb and ARM instruction sets
mtpcs-frame
Target Report Mask(TPCS_FRAME)
Thumb: Generate (non-leaf) stack frames even if not needed
mtpcs-leaf-frame
Target Report Mask(TPCS_LEAF_FRAME)
Thumb: Generate (leaf) stack frames even if not needed
mtune=
Target RejectNegative Joined
Tune code for the given processor
mwords-little-endian
Target Report RejectNegative Mask(LITTLE_WORDS)
Assume big endian bytes, little endian words
|
