1; Command line options for the Renesas RL78 port of GCC.
2; Copyright (C) 2011-2021 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
22HeaderInclude
23config/rl78/rl78-opts.h
24
25msim
26Target
27Use the simulator runtime.
28
29mmul=
30Target RejectNegative Joined Var(rl78_mul_type) Tolower Enum(rl78_mul_types) Init(MUL_UNINIT)
31Selects the type of hardware multiplication and division to use (none/g13/g14).
32
33Enum
34Name(rl78_mul_types) Type(enum rl78_mul_types)
35
36EnumValue
37Enum(rl78_mul_types) String(g10) Value(MUL_NONE)
38
39EnumValue
40Enum(rl78_mul_types) String(g13) Value(MUL_G13)
41
42EnumValue
43Enum(rl78_mul_types) String(g14) Value(MUL_G14)
44
45EnumValue
46Enum(rl78_mul_types) String(rl78) Value(MUL_G14)
47
48mallregs
49Target Mask(ALLREGS) Optimization
50Use all registers, reserving none for interrupt handlers.
51
52mrelax
53Target Optimization
54Enable assembler and linker relaxation.  Enabled by default at -Os.
55
56mcpu=
57Target RejectNegative Joined Var(rl78_cpu_type) ToLower Enum(rl78_cpu_types) Init(CPU_UNINIT)
58Selects 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
60Enum
61Name(rl78_cpu_types) Type(enum rl78_cpu_types)
62
63EnumValue
64Enum(rl78_cpu_types) String(g10) Value(CPU_G10)
65
66EnumValue
67Enum(rl78_cpu_types) String(g13) Value(CPU_G13)
68
69EnumValue
70Enum(rl78_cpu_types) String(g14) Value(CPU_G14)
71
72EnumValue
73Enum(rl78_cpu_types) String(rl78) Value(CPU_G14)
74
75mg10
76Target RejectNegative Alias(mcpu=, g10)
77Alias for -mcpu=g10.
78
79mg13
80Target RejectNegative Alias(mcpu=, g13)
81Alias for -mcpu=g13.
82
83mg14
84Target RejectNegative Alias(mcpu=, g14)
85Alias for -mcpu=g14.
86
87mrl78
88Target RejectNegative Alias(mcpu=, g14)
89Alias for -mcpu=g14.
90
91mes0
92Target Mask(ES0)
93Assume ES is zero throughout program execution, use ES: for read-only data.
94
95msave-mduc-in-interrupts
96Target Mask(SAVE_MDUC_REGISTERS)
97Stores the MDUC registers in interrupt handlers for G13 target.
98