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1 ; Command line options for the Renesas RL78 port of GCC.
2 ; Copyright (C) 2011-2023 Free Software Foundation, Inc.
3 ; Contributed by Red Hat.
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 ;---------------------------------------------------
21
22 HeaderInclude
23 config/rl78/rl78-opts.h
24
25 msim
26 Target
27 Use the simulator runtime.
28
29 mmul=
30 Target RejectNegative Joined Var(rl78_mul_type) Tolower Enum(rl78_mul_types) Init(MUL_UNINIT)
31 Selects the type of hardware multiplication and division to use (none/g13/g14).
32
33 Enum
34 Name(rl78_mul_types) Type(enum rl78_mul_types)
35
36 EnumValue
37 Enum(rl78_mul_types) String(g10) Value(MUL_NONE)
38
39 EnumValue
40 Enum(rl78_mul_types) String(g13) Value(MUL_G13)
41
42 EnumValue
43 Enum(rl78_mul_types) String(g14) Value(MUL_G14)
44
45 EnumValue
46 Enum(rl78_mul_types) String(rl78) Value(MUL_G14)
47
48 mallregs
49 Target Mask(ALLREGS) Optimization
50 Use all registers, reserving none for interrupt handlers.
51
52 mrelax
53 Target Optimization
54 Enable assembler and linker relaxation. Enabled by default at -Os.
55
56 mcpu=
57 Target RejectNegative Joined Var(rl78_cpu_type) ToLower Enum(rl78_cpu_types) Init(CPU_UNINIT)
58 Selects the type of RL78 core being targeted (g10/g13/g14). The default is the G14. If set, also selects the hardware multiply support to be used.
59
60 Enum
61 Name(rl78_cpu_types) Type(enum rl78_cpu_types)
62
63 EnumValue
64 Enum(rl78_cpu_types) String(g10) Value(CPU_G10)
65
66 EnumValue
67 Enum(rl78_cpu_types) String(g13) Value(CPU_G13)
68
69 EnumValue
70 Enum(rl78_cpu_types) String(g14) Value(CPU_G14)
71
72 EnumValue
73 Enum(rl78_cpu_types) String(rl78) Value(CPU_G14)
74
75 mg10
76 Target RejectNegative Alias(mcpu=, g10)
77 Alias for -mcpu=g10.
78
79 mg13
80 Target RejectNegative Alias(mcpu=, g13)
81 Alias for -mcpu=g13.
82
83 mg14
84 Target RejectNegative Alias(mcpu=, g14)
85 Alias for -mcpu=g14.
86
87 mrl78
88 Target RejectNegative Alias(mcpu=, g14)
89 Alias for -mcpu=g14.
90
91 mes0
92 Target Mask(ES0)
93 Assume ES is zero throughout program execution, use ES: for read-only data.
94
95 msave-mduc-in-interrupts
96 Target Mask(SAVE_MDUC_REGISTERS)
97 Stores the MDUC registers in interrupt handlers for G13 target.