1169689Skan; Options for the ARM port of the compiler.
2169689Skan
3169689Skan; Copyright (C) 2005 Free Software Foundation, Inc.
4169689Skan;
5169689Skan; This file is part of GCC.
6169689Skan;
7169689Skan; GCC is free software; you can redistribute it and/or modify it under
8169689Skan; the terms of the GNU General Public License as published by the Free
9169689Skan; Software Foundation; either version 2, or (at your option) any later
10169689Skan; version.
11169689Skan;
12169689Skan; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13169689Skan; WARRANTY; without even the implied warranty of MERCHANTABILITY or
14169689Skan; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15169689Skan; for more details.
16169689Skan;
17169689Skan; You should have received a copy of the GNU General Public License
18169689Skan; along with GCC; see the file COPYING.  If not, write to the Free
19169689Skan; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
20169689Skan; 02110-1301, USA.
21169689Skan
22169689Skanmabi=
23169689SkanTarget RejectNegative Joined Var(target_abi_name)
24169689SkanSpecify an ABI
25169689Skan
26169689Skanmabort-on-noreturn
27169689SkanTarget Report Mask(ABORT_NORETURN)
28169689SkanGenerate a call to abort if a noreturn function returns
29169689Skan
30169689Skanmapcs
31169689SkanTarget RejectNegative Mask(APCS_FRAME) MaskExists Undocumented
32169689Skan
33169689Skanmapcs-float
34169689SkanTarget Report Mask(APCS_FLOAT)
35169689SkanPass FP arguments in FP registers
36169689Skan
37169689Skanmapcs-frame
38169689SkanTarget Report Mask(APCS_FRAME)
39169689SkanGenerate APCS conformant stack frames
40169689Skan
41169689Skanmapcs-reentrant
42169689SkanTarget Report Mask(APCS_REENT)
43169689SkanGenerate re-entrant, PIC code
44169689Skan
45169689Skanmapcs-stack-check
46169689SkanTarget Report Mask(APCS_STACK) Undocumented
47169689Skan
48169689Skanmarch=
49169689SkanTarget RejectNegative Joined
50169689SkanSpecify the name of the target architecture
51169689Skan
52169689Skanmarm
53169689SkanTarget RejectNegative InverseMask(THUMB) Undocumented
54169689Skan
55169689Skanmbig-endian
56169689SkanTarget Report RejectNegative Mask(BIG_END)
57169689SkanAssume target CPU is configured as big endian
58169689Skan
59169689Skanmcallee-super-interworking
60169689SkanTarget Report Mask(CALLEE_INTERWORKING)
61169689SkanThumb: Assume non-static functions may be called from ARM code
62169689Skan
63169689Skanmcaller-super-interworking
64169689SkanTarget Report Mask(CALLER_INTERWORKING)
65169689SkanThumb: Assume function pointers may go to non-Thumb aware code
66169689Skan
67169689Skanmcirrus-fix-invalid-insns
68169689SkanTarget Report Mask(CIRRUS_FIX_INVALID_INSNS)
69169689SkanCirrus: Place NOPs to avoid invalid instruction combinations
70169689Skan
71169689Skanmcpu=
72169689SkanTarget RejectNegative Joined
73169689SkanSpecify the name of the target CPU
74169689Skan
75169689Skanmfloat-abi=
76169689SkanTarget RejectNegative Joined Var(target_float_abi_name)
77169689SkanSpecify if floating point hardware should be used
78169689Skan
79169689Skanmfp=
80169689SkanTarget RejectNegative Joined Undocumented Var(target_fpe_name)
81169689Skan
82169689Skan;; Now ignored.
83169689Skanmfpe
84169689SkanTarget RejectNegative Mask(FPE) Undocumented
85169689Skan
86169689Skanmfpe=
87169689SkanTarget RejectNegative Joined Undocumented Var(target_fpe_name)
88169689Skan
89169689Skanmfpu=
90169689SkanTarget RejectNegative Joined Var(target_fpu_name)
91169689SkanSpecify the name of the target floating point hardware/format
92169689Skan
93169689Skanmhard-float
94169689SkanTarget RejectNegative
95169689SkanAlias for -mfloat-abi=hard
96169689Skan
97169689Skanmlittle-endian
98169689SkanTarget Report RejectNegative InverseMask(BIG_END)
99169689SkanAssume target CPU is configured as little endian
100169689Skan
101169689Skanmlong-calls
102169689SkanTarget Report Mask(LONG_CALLS)
103169689SkanGenerate call insns as indirect calls, if necessary
104169689Skan
105169689Skanmpic-register=
106169689SkanTarget RejectNegative Joined Var(arm_pic_register_string)
107169689SkanSpecify the register to be used for PIC addressing
108169689Skan
109169689Skanmpoke-function-name
110169689SkanTarget Report Mask(POKE_FUNCTION_NAME)
111169689SkanStore function names in object code
112169689Skan
113169689Skanmsched-prolog
114169689SkanTarget Report Mask(SCHED_PROLOG)
115169689SkanPermit scheduling of a function's prologue sequence
116169689Skan
117169689Skanmsingle-pic-base
118169689SkanTarget Report Mask(SINGLE_PIC_BASE)
119169689SkanDo not load the PIC register in function prologues
120169689Skan
121169689Skanmsoft-float
122169689SkanTarget RejectNegative
123169689SkanAlias for -mfloat-abi=soft
124169689Skan
125169689Skanmstructure-size-boundary=
126169689SkanTarget RejectNegative Joined Var(structure_size_string)
127169689SkanSpecify the minimum bit alignment of structures
128169689Skan
129169689Skanmthumb
130169689SkanTarget Report Mask(THUMB)
131169689SkanCompile for the Thumb not the ARM
132169689Skan
133169689Skanmthumb-interwork
134169689SkanTarget Report Mask(INTERWORK)
135169689SkanSupport calls between Thumb and ARM instruction sets
136169689Skan
137169689Skanmtp=
138169689SkanTarget RejectNegative Joined Var(target_thread_switch)
139169689SkanSpecify how to access the thread pointer
140169689Skan
141169689Skanmtpcs-frame
142169689SkanTarget Report Mask(TPCS_FRAME)
143169689SkanThumb: Generate (non-leaf) stack frames even if not needed
144169689Skan
145169689Skanmtpcs-leaf-frame
146169689SkanTarget Report Mask(TPCS_LEAF_FRAME)
147169689SkanThumb: Generate (leaf) stack frames even if not needed
148169689Skan
149169689Skanmtune=
150169689SkanTarget RejectNegative Joined
151169689SkanTune code for the given processor
152169689Skan
153169689Skanmwords-little-endian
154169689SkanTarget Report RejectNegative Mask(LITTLE_WORDS)
155169689SkanAssume big endian bytes, little endian words
156