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/* Definitions of target machine for GNU compiler.  "naked" 68020.

   Copyright (C) 1994, 1996, 2003, 2006, 2007 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/>.  */

/* Default to m68k (m68020).  */

#ifndef TARGET_CPU_DEFAULT

#define TARGET_CPU_DEFAULT M68K_CPU_m68k

#endif

/* These are values set by the configure script in TARGET_CPU_DEFAULT.

   They are (sequential integer + (desired value for TARGET_DEFAULT) << 4).  */

#define M68K_CPU_m68k   (0 + ((MASK_68020|MASK_68881|MASK_BITFIELD)<<4))

#define M68K_CPU_m68000 (1 + (0 << 4))

#define M68K_CPU_m68010 (1 + (0 << 4)) /* make same as m68000 */

#define M68K_CPU_m68020 (2 + ((MASK_68020|MASK_68881|MASK_BITFIELD) << 4))

#define M68K_CPU_m68030 (3 + ((MASK_68030|MASK_68020|MASK_68881|MASK_BITFIELD) << 4))

#define M68K_CPU_m68040 (4 + ((MASK_68040_ONLY|MASK_68020|MASK_68881|MASK_BITFIELD) << 4))

#define M68K_CPU_m68302 (5 + (0 << 4))

#define M68K_CPU_m68332 (6 + (MASK_68020 << 4))

/* This is tested for below, so if target wants to override this, it

   just set this first in cover file.  */

#ifndef TARGET_DEFAULT

#define TARGET_DEFAULT (TARGET_CPU_DEFAULT >> 4)

#endif

/* Defaults for the various specs below.

   These are collected here so we only test TARGET_CPU_DEFAULT once.  */

/* ??? CC1_CPU_DEFAULT_SPEC was copied over from the earlier version of

   this file.  However, it's not used anywhere here because it doesn't

   seem to be necessary.  */

#if TARGET_CPU_DEFAULT == M68K_CPU_m68k || TARGET_CPU_DEFAULT == M68K_CPU_m68020

#define ASM_CPU_DEFAULT_SPEC "-mc68020"

#define CC1_CPU_DEFAULT_SPEC "-m68020"

#else

#if TARGET_CPU_DEFAULT == M68K_CPU_m68000

#define ASM_CPU_DEFAULT_SPEC "-mc68000"

#define CC1_CPU_DEFAULT_SPEC "-m68000"

#else

#if TARGET_CPU_DEFAULT == M68K_CPU_m68030

#define ASM_CPU_DEFAULT_SPEC "-mc68030"

#define CC1_CPU_DEFAULT_SPEC "-m68030"

#else

#if TARGET_CPU_DEFAULT == M68K_CPU_m68040

#define ASM_CPU_DEFAULT_SPEC "-mc68040"

#define CC1_CPU_DEFAULT_SPEC "-m68040"

#else

#if TARGET_CPU_DEFAULT == M68K_CPU_m68302

#define ASM_CPU_DEFAULT_SPEC "-mc68302"

#define CC1_CPU_DEFAULT_SPEC "-m68302"

#else

#if TARGET_CPU_DEFAULT == M68K_CPU_m68332

#define ASM_CPU_DEFAULT_SPEC "-mc68332"

#define CC1_CPU_DEFAULT_SPEC "-m68332"

#else

Unrecognized value in TARGET_CPU_DEFAULT.

#endif

#endif

#endif

#endif

#endif

#endif

/* Pass flags to gas indicating which type of processor we have.  */

#undef ASM_SPEC

#define ASM_SPEC "\

%{m68851}%{mno-68851}%{m68881}%{mno-68881}%{msoft-float:-mno-68881} %{m68000}%{m68302}%{mc68000}%{m68010}%{m68020}%{mc68020}%{m68030}%{m68040}%{m68020-40:-mc68040} %{m68020-60:-mc68040} %{m68060}%{mcpu32}%{m68332}%{m5200}%{m5206e}%{m528x}%{m5307}%{m5407}%{mcfv4e}%{!mc68000:%{!m68000:%{!m68302:%{!m68010:%{!mc68020:%{!m68020:%{!m68030:%{!m68040:%{!m68020-40:%{!m68020-60:%{!m68060:%{!mcpu32:%{!m68332:%{!m5200:%{!m5206e:%{!m528x:%{!m5307:%{!m5407:%{!mcfv4e:%(asm_cpu_default)}}}}}}}}}}}}}}}}}}} \

%{fPIC:--pcrel} %{fpic:--pcrel} %{msep-data:--pcrel} %{mid-shared-library:--pcrel} \

"

/* cc1/cc1plus always receives all the -m flags. If the specs strings above

   are consistent with the flags in m68k.opt, there should be no need for

   any further cc1/cc1plus specs.  */

#undef CC1_SPEC

#define CC1_SPEC ""

/* This macro defines names of additional specifications to put in the specs

   that can be used in various specifications like CC1_SPEC.  Its definition

   is an initializer with a subgrouping for each command option.

   Each subgrouping contains a string constant, that defines the

   specification name, and a string constant that used by the GCC driver

   program.

   Do not define this macro if it does not need to do anything.  */

#define EXTRA_SPECS                                     \

  { "asm_cpu_default",  ASM_CPU_DEFAULT_SPEC },         \

  { "cc1_cpu_default",  CC1_CPU_DEFAULT_SPEC },         \

  SUBTARGET_EXTRA_SPECS

#define CPP_SUBTARGET_SPEC ""

#define SUBTARGET_EXTRA_SPECS

/* Avoid building multilib libraries for the defaults.

   For targets not handled here, just build the full set of multilibs.

   The default is m68k 99.9% of the time anyway.  */

#if TARGET_CPU_DEFAULT == M68K_CPU_m68k || TARGET_CPU_DEFAULT == M68K_CPU_m68020

#if TARGET_DEFAULT & MASK_68881

#define MULTILIB_DEFAULTS { "m68020", "m68881" }

#else

#define MULTILIB_DEFAULTS { "m68020", "msoft-float" }

#endif

#endif

#if TARGET_CPU_DEFAULT == M68K_CPU_m68000 || TARGET_CPU_DEFAULT == M68K_CPU_m68302

#if TARGET_DEFAULT & MASK_68881

#define MULTILIB_DEFAULTS { "m68000", "m68881" }

#else

#define MULTILIB_DEFAULTS { "m68000", "msoft-float" }

#endif

#endif