frv.opt revision 1.1.1.1 
1; Options for the FR-V port of the compiler.
2
3; Copyright (C) 2005 Free Software Foundation, Inc.
4;
5; This file is part of GCC.
6;
7; GCC is free software; you can redistribute it and/or modify it under
8; the terms of the GNU General Public License as published by the Free
9; Software Foundation; either version 2, or (at your option) any later
10; version.
11;
12; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13; WARRANTY; without even the implied warranty of MERCHANTABILITY or
14; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15; for more details.
16;
17; You should have received a copy of the GNU General Public License
18; along with GCC; see the file COPYING.  If not, write to the Free
19; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
20; 02110-1301, USA.
21
22macc-4
23Target Report RejectNegative Mask(ACC_4)
24Use 4 media accumulators
25
26macc-8
27Target Report RejectNegative InverseMask(ACC_4, ACC_8)
28Use 8 media accumulators
29
30malign-labels
31Target Report Mask(ALIGN_LABELS)
32Enable label alignment optimizations
33
34malloc-cc
35Target Report RejectNegative Mask(ALLOC_CC)
36Dynamically allocate cc registers
37
38; We used to default the branch cost to 2, but it was changed it to 1 to avoid
39; generating SCC instructions and or/and-ing them together, and then doing the
40; branch on the result, which collectively generate much worse code.
41mbranch-cost=
42Target RejectNegative Joined UInteger Var(frv_branch_cost_int) Init(1)
43Set the cost of branches
44
45mcond-exec
46Target Report Mask(COND_EXEC)
47Enable conditional execution other than moves/scc
48
49mcond-exec-insns=
50Target RejectNegative Joined UInteger Var(frv_condexec_insns) Init(8)
51Change the maximum length of conditionally-executed sequences
52
53mcond-exec-temps=
54Target RejectNegative Joined UInteger Var(frv_condexec_temps) Init(4)
55Change the number of temporary registers that are available to conditionally-executed sequences
56
57mcond-move
58Target Report Mask(COND_MOVE)
59Enable conditional moves
60
61mcpu=
62Target RejectNegative Joined
63Set the target CPU type
64
65mdebug
66Target Undocumented Var(TARGET_DEBUG)
67
68mdebug-arg
69Target Undocumented Var(TARGET_DEBUG_ARG)
70
71mdebug-addr
72Target Undocumented Var(TARGET_DEBUG_ADDR)
73
74mdebug-cond-exec
75Target Undocumented Var(TARGET_DEBUG_COND_EXEC)
76
77mdebug-loc
78Target Undocumented Var(TARGET_DEBUG_LOC)
79
80mdebug-stack
81Target Undocumented Var(TARGET_DEBUG_STACK)
82
83mdouble
84Target Report Mask(DOUBLE)
85Use fp double instructions
86
87mdword
88Target Report Mask(DWORD)
89Change the ABI to allow double word insns
90
91mfdpic
92Target Report Mask(FDPIC)
93Enable Function Descriptor PIC mode
94
95mfixed-cc
96Target Report RejectNegative InverseMask(ALLOC_CC, FIXED_CC)
97Just use icc0/fcc0
98
99mfpr-32
100Target Report RejectNegative Mask(FPR_32)
101Only use 32 FPRs
102
103mfpr-64
104Target Report RejectNegative InverseMask(FPR_32, FPR_64)
105Use 64 FPRs
106
107mgpr-32
108Target Report RejectNegative Mask(GPR_32)
109Only use 32 GPRs
110
111mgpr-64
112Target Report RejectNegative InverseMask(GPR_32, GPR_64)
113Use 64 GPRs
114
115mgprel-ro
116Target Report Mask(GPREL_RO)
117Enable use of GPREL for read-only data in FDPIC
118
119mhard-float
120Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT)
121Use hardware floating point
122
123minline-plt
124Target Report Mask(INLINE_PLT)
125Enable inlining of PLT in function calls
126
127mlibrary-pic
128Target Report Mask(LIBPIC)
129Enable PIC support for building libraries
130
131mlinked-fp
132Target Report Mask(LINKED_FP)
133Follow the EABI linkage requirements
134
135mlong-calls
136Target Report Mask(LONG_CALLS)
137Disallow direct calls to global functions
138
139mmedia
140Target Report Mask(MEDIA)
141Use media instructions
142
143mmuladd
144Target Report Mask(MULADD)
145Use multiply add/subtract instructions
146
147mmulti-cond-exec
148Target Report Mask(MULTI_CE)
149Enable optimizing &&/|| in conditional execution
150
151mnested-cond-exec
152Target Report Mask(NESTED_CE)
153Enable nested conditional execution optimizations
154
155; Not used by the compiler proper.
156mno-eflags
157Target RejectNegative
158Do not mark ABI switches in e_flags
159
160moptimize-membar
161Target Report Mask(OPTIMIZE_MEMBAR)
162Remove redundant membars
163
164mpack
165Target Report Mask(PACK)
166Pack VLIW instructions
167
168mscc
169Target Report Mask(SCC)
170Enable setting GPRs to the result of comparisons
171
172msched-lookahead=
173Target RejectNegative Joined UInteger Var(frv_sched_lookahead) Init(4)
174Change the amount of scheduler lookahead
175
176msoft-float
177Target Report RejectNegative Mask(SOFT_FLOAT)
178Use software floating point
179
180mTLS
181Target Report RejectNegative Mask(BIG_TLS)
182Assume a large TLS segment
183
184mtls
185Target Report RejectNegative InverseMask(BIG_TLS)
186Do not assume a large TLS segment
187
188; Not used by the compiler proper.
189mtomcat-stats
190Target
191Cause gas to print tomcat statistics
192
193; Not used by the compiler proper.
194multilib-library-pic
195Target RejectNegative
196Link with the library-pic libraries
197
198mvliw-branch
199Target Report Mask(VLIW_BRANCH)
200Allow branches to be packed with other instructions
201