; Options for the Motorola 68000 port of the compiler.

; Copyright (C) 2005-2024 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.

mlra
Target Var(m68k_lra_p) Undocumented
Usa LRA for reload instead of the old reload framework.  This option is
experimental, and it may be removed in future versions of the compiler.

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.