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; Options for the Motorola 68000 port of the compiler.
; Copyright (C) 2005-2019 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 Report 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 Report 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 Report 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 Report Mask(ID_SHARED_LIBRARY)
Enable ID based shared library.
mlong-jump-table-offsets
Target Report 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 Report Mask(PCREL)
Generate pc-relative code.
mrtd
Target Report Mask(RTD)
Use different calling convention using 'rtd'.
msep-data
Target Report Mask(SEP_DATA)
Enable separate data segment.
mshared-library-id=
Target RejectNegative Joined UInteger
ID of shared library to build.
mshort
Target Report 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 Report 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 Report Mask(XGOT)
Support more than 8192 GOT entries on ColdFire.
mxtls
Target Report Mask(XTLS)
Support TLS segment larger than 64K.
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