| ; Command line options for the Renesas RL78 port of GCC. |
| ; Copyright (C) 2011-2022 Free Software Foundation, Inc. |
| ; Contributed by Red Hat. |
| ; |
| ; This file is part of GCC. |
| ; |
| ; GCC is free software; you can redistribute it and/or modify it under |
| ; the terms of the GNU General Public License as published by the Free |
| ; Software Foundation; either version 3, or (at your option) any later |
| ; version. |
| ; |
| ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| ; WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| ; for more details. |
| ; |
| ; You should have received a copy of the GNU General Public License |
| ; along with GCC; see the file COPYING3. If not see |
| ; <http://www.gnu.org/licenses/>. |
| ;--------------------------------------------------- |
| |
| HeaderInclude |
| config/rl78/rl78-opts.h |
| |
| msim |
| Target |
| Use the simulator runtime. |
| |
| mmul= |
| Target RejectNegative Joined Var(rl78_mul_type) Tolower Enum(rl78_mul_types) Init(MUL_UNINIT) |
| Selects the type of hardware multiplication and division to use (none/g13/g14). |
| |
| Enum |
| Name(rl78_mul_types) Type(enum rl78_mul_types) |
| |
| EnumValue |
| Enum(rl78_mul_types) String(g10) Value(MUL_NONE) |
| |
| EnumValue |
| Enum(rl78_mul_types) String(g13) Value(MUL_G13) |
| |
| EnumValue |
| Enum(rl78_mul_types) String(g14) Value(MUL_G14) |
| |
| EnumValue |
| Enum(rl78_mul_types) String(rl78) Value(MUL_G14) |
| |
| mallregs |
| Target Mask(ALLREGS) Optimization |
| Use all registers, reserving none for interrupt handlers. |
| |
| mrelax |
| Target Optimization |
| Enable assembler and linker relaxation. Enabled by default at -Os. |
| |
| mcpu= |
| Target RejectNegative Joined Var(rl78_cpu_type) ToLower Enum(rl78_cpu_types) Init(CPU_UNINIT) |
| 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. |
| |
| Enum |
| Name(rl78_cpu_types) Type(enum rl78_cpu_types) |
| |
| EnumValue |
| Enum(rl78_cpu_types) String(g10) Value(CPU_G10) |
| |
| EnumValue |
| Enum(rl78_cpu_types) String(g13) Value(CPU_G13) |
| |
| EnumValue |
| Enum(rl78_cpu_types) String(g14) Value(CPU_G14) |
| |
| EnumValue |
| Enum(rl78_cpu_types) String(rl78) Value(CPU_G14) |
| |
| mg10 |
| Target RejectNegative Alias(mcpu=, g10) |
| Alias for -mcpu=g10. |
| |
| mg13 |
| Target RejectNegative Alias(mcpu=, g13) |
| Alias for -mcpu=g13. |
| |
| mg14 |
| Target RejectNegative Alias(mcpu=, g14) |
| Alias for -mcpu=g14. |
| |
| mrl78 |
| Target RejectNegative Alias(mcpu=, g14) |
| Alias for -mcpu=g14. |
| |
| mes0 |
| Target Mask(ES0) |
| Assume ES is zero throughout program execution, use ES: for read-only data. |
| |
| msave-mduc-in-interrupts |
| Target Mask(SAVE_MDUC_REGISTERS) |
| Stores the MDUC registers in interrupt handlers for G13 target. |