frv.opt revision 1.1.1.1 
1; Options for the FR-V port of the compiler.
2
3; Copyright (C) 2005, 2007 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 3, 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 COPYING3.  If not see
19; <http://www.gnu.org/licenses/>.
20
21macc-4
22Target Report RejectNegative Mask(ACC_4)
23Use 4 media accumulators
24
25macc-8
26Target Report RejectNegative InverseMask(ACC_4, ACC_8)
27Use 8 media accumulators
28
29malign-labels
30Target Report Mask(ALIGN_LABELS)
31Enable label alignment optimizations
32
33malloc-cc
34Target Report RejectNegative Mask(ALLOC_CC)
35Dynamically allocate cc registers
36
37; We used to default the branch cost to 2, but it was changed it to 1 to avoid
38; generating SCC instructions and or/and-ing them together, and then doing the
39; branch on the result, which collectively generate much worse code.
40mbranch-cost=
41Target RejectNegative Joined UInteger Var(frv_branch_cost_int) Init(1)
42Set the cost of branches
43
44mcond-exec
45Target Report Mask(COND_EXEC)
46Enable conditional execution other than moves/scc
47
48mcond-exec-insns=
49Target RejectNegative Joined UInteger Var(frv_condexec_insns) Init(8)
50Change the maximum length of conditionally-executed sequences
51
52mcond-exec-temps=
53Target RejectNegative Joined UInteger Var(frv_condexec_temps) Init(4)
54Change the number of temporary registers that are available to conditionally-executed sequences
55
56mcond-move
57Target Report Mask(COND_MOVE)
58Enable conditional moves
59
60mcpu=
61Target RejectNegative Joined
62Set the target CPU type
63
64mdebug
65Target Undocumented Var(TARGET_DEBUG)
66
67mdebug-arg
68Target Undocumented Var(TARGET_DEBUG_ARG)
69
70mdebug-addr
71Target Undocumented Var(TARGET_DEBUG_ADDR)
72
73mdebug-cond-exec
74Target Undocumented Var(TARGET_DEBUG_COND_EXEC)
75
76mdebug-loc
77Target Undocumented Var(TARGET_DEBUG_LOC)
78
79mdebug-stack
80Target Undocumented Var(TARGET_DEBUG_STACK)
81
82mdouble
83Target Report Mask(DOUBLE)
84Use fp double instructions
85
86mdword
87Target Report Mask(DWORD)
88Change the ABI to allow double word insns
89
90mfdpic
91Target Report Mask(FDPIC)
92Enable Function Descriptor PIC mode
93
94mfixed-cc
95Target Report RejectNegative InverseMask(ALLOC_CC, FIXED_CC)
96Just use icc0/fcc0
97
98mfpr-32
99Target Report RejectNegative Mask(FPR_32)
100Only use 32 FPRs
101
102mfpr-64
103Target Report RejectNegative InverseMask(FPR_32, FPR_64)
104Use 64 FPRs
105
106mgpr-32
107Target Report RejectNegative Mask(GPR_32)
108Only use 32 GPRs
109
110mgpr-64
111Target Report RejectNegative InverseMask(GPR_32, GPR_64)
112Use 64 GPRs
113
114mgprel-ro
115Target Report Mask(GPREL_RO)
116Enable use of GPREL for read-only data in FDPIC
117
118mhard-float
119Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT)
120Use hardware floating point
121
122minline-plt
123Target Report Mask(INLINE_PLT)
124Enable inlining of PLT in function calls
125
126mlibrary-pic
127Target Report Mask(LIBPIC)
128Enable PIC support for building libraries
129
130mlinked-fp
131Target Report Mask(LINKED_FP)
132Follow the EABI linkage requirements
133
134mlong-calls
135Target Report Mask(LONG_CALLS)
136Disallow direct calls to global functions
137
138mmedia
139Target Report Mask(MEDIA)
140Use media instructions
141
142mmuladd
143Target Report Mask(MULADD)
144Use multiply add/subtract instructions
145
146mmulti-cond-exec
147Target Report Mask(MULTI_CE)
148Enable optimizing &&/|| in conditional execution
149
150mnested-cond-exec
151Target Report Mask(NESTED_CE)
152Enable nested conditional execution optimizations
153
154; Not used by the compiler proper.
155mno-eflags
156Target RejectNegative
157Do not mark ABI switches in e_flags
158
159moptimize-membar
160Target Report Mask(OPTIMIZE_MEMBAR)
161Remove redundant membars
162
163mpack
164Target Report Mask(PACK)
165Pack VLIW instructions
166
167mscc
168Target Report Mask(SCC)
169Enable setting GPRs to the result of comparisons
170
171msched-lookahead=
172Target RejectNegative Joined UInteger Var(frv_sched_lookahead) Init(4)
173Change the amount of scheduler lookahead
174
175msoft-float
176Target Report RejectNegative Mask(SOFT_FLOAT)
177Use software floating point
178
179mTLS
180Target Report RejectNegative Mask(BIG_TLS)
181Assume a large TLS segment
182
183mtls
184Target Report RejectNegative InverseMask(BIG_TLS)
185Do not assume a large TLS segment
186
187; Not used by the compiler proper.
188mtomcat-stats
189Target
190Cause gas to print tomcat statistics
191
192; Not used by the compiler proper.
193multilib-library-pic
194Target RejectNegative
195Link with the library-pic libraries
196
197mvliw-branch
198Target Report Mask(VLIW_BRANCH)
199Allow branches to be packed with other instructions
200