; Options for the Motorola 68000 port of the compiler.

; Copyright (C) 2005-2021 Free Software Foundation, Inc.
;
; 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/m68k/m68k-opts.h

; Specify the identification number of the library being built.
Variable
const char *m68k_library_id_string = "_current_shared_library_a5_offset_"

m5200
Target RejectNegative Alias(mcpu=, 5206)
Generate code for a 520X.

m5206e
Target RejectNegative Alias(mcpu=, 5206e)
Generate code for a 5206e.

m528x
Target RejectNegative Alias(mcpu=, 528x)
Generate code for a 528x.

m5307
Target RejectNegative Alias(mcpu=, 5307)
Generate code for a 5307.

m5407
Target RejectNegative Alias(mcpu=, 5407)
Generate code for a 5407.

m68000
Target RejectNegative Alias(mcpu=, 68000)
Generate code for a 68000.

m68010
Target RejectNegative Alias(mcpu=, 68010)
Generate code for a 68010.

m68020
Target RejectNegative Alias(mcpu=, 68020)
Generate code for a 68020.

m68020-40
Target RejectNegative
Generate code for a 68040, without any new instructions.

m68020-60
Target RejectNegative
Generate code for a 68060, without any new instructions.

m68030
Target RejectNegative Alias(mcpu=, 68030)
Generate code for a 68030.

m68040
Target RejectNegative Alias(mcpu=, 68040)
Generate code for a 68040.

m68060
Target RejectNegative Alias(mcpu=, 68060)
Generate code for a 68060.

m68302
Target RejectNegative Alias(mcpu=, 68302)
Generate code for a 68302.

m68332
Target RejectNegative Alias(mcpu=, 68332)
Generate code for a 68332.

; Has no effect on gcc
m68851
Target
Generate code for a 68851.

m68881
Target RejectNegative Mask(HARD_FLOAT)
Generate code that uses 68881 floating-point instructions.

malign-int
Target Mask(ALIGN_INT)
Align variables on a 32-bit boundary.

march=
Target RejectNegative Joined Enum(m68k_isa) Var(m68k_arch_option)
Specify the name of the target architecture.

mbitfield
Target Mask(BITFIELD)
Use the bit-field instructions.

mc68000
Target RejectNegative Alias(mcpu=, 68000)
Generate code for a 68000.

mc68020
Target RejectNegative Alias(mcpu=, 68020)
Generate code for a 68020.

mcfv4e
Target RejectNegative Alias(mcpu=, 547x)
Generate code for a ColdFire v4e.

mcpu=
Target RejectNegative Joined Enum(target_device) Var(m68k_cpu_option) Init(unk_device)
Specify the target CPU.

mcpu32
Target RejectNegative Alias(mcpu=, 68332)
Generate code for a cpu32.

mdiv
Target Mask(CF_HWDIV)
Use hardware division instructions on ColdFire.

mfidoa
Target RejectNegative
Generate code for a Fido A.

mhard-float
Target RejectNegative Mask(HARD_FLOAT)
Generate code which uses hardware floating point instructions.

mid-shared-library
Target Mask(ID_SHARED_LIBRARY)
Enable ID based shared library.

mlong-jump-table-offsets
Target RejectNegative Mask(LONG_JUMP_TABLE_OFFSETS)
Use 32-bit offsets in jump tables rather than 16-bit offsets.

mnobitfield
Target RejectNegative InverseMask(BITFIELD)
Do not use the bit-field instructions.

mnortd
Target RejectNegative InverseMask(RTD)
Use normal calling convention.

mnoshort
Target RejectNegative InverseMask(SHORT)
Consider type 'int' to be 32 bits wide.

mpcrel
Target Mask(PCREL)
Generate pc-relative code.

mrtd
Target Mask(RTD)
Use different calling convention using 'rtd'.

msep-data
Target Mask(SEP_DATA)
Enable separate data segment.

mshared-library-id=
Target RejectNegative Joined UInteger
ID of shared library to build.

mshort
Target Mask(SHORT)
Consider type 'int' to be 16 bits wide.

msoft-float
Target RejectNegative InverseMask(HARD_FLOAT)
Generate code with library calls for floating point.

mstrict-align
Target Mask(STRICT_ALIGNMENT)
Do not use unaligned memory references.

mtune=
Target RejectNegative Joined Enum(uarch_type) Var(m68k_tune_option) Init(unk_arch)
Tune for the specified target CPU or architecture.

mxgot
Target Mask(XGOT)
Support more than 8192 GOT entries on ColdFire.

mxtls
Target Mask(XTLS)
Support TLS segment larger than 64K.