| /* Definitions of target machine for GNU compiler. "naked" 68020. |
| Copyright (C) 1994, 1996 Free Software Foundation, Inc. |
| |
| This file is part of GNU CC. |
| |
| GNU CC 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 2, or (at your option) |
| any later version. |
| |
| GNU CC 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 GNU CC; see the file COPYING. If not, write to |
| the Free Software Foundation, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include "m68k/m68k.h" |
| |
| /* 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 ((desired value for TARGET_DEFAULT) << 4) + sequential integer. |
| See m68k.h for the values (it should really define MASK_FOO so we can |
| use them). */ |
| #define M68K_CPU_m68k ((7 << 4) + 0) |
| #define M68K_CPU_m68000 ((0 << 4) + 1) |
| #define M68K_CPU_m68010 ((0 << 4) + 1) /* make same as m68000 */ |
| #define M68K_CPU_m68020 ((7 << 4) + 2) |
| #define M68K_CPU_m68030 ((7 << 4) + 3) |
| #define M68K_CPU_m68040 ((01007 << 4) + 4) |
| #define M68K_CPU_m68302 ((0 << 4) + 5) |
| #define M68K_CPU_m68332 ((1 << 4) + 6) |
| |
| /* 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 CPP_CPU_DEFAULT_SPEC "%{!ansi:-Dmc68020 } -D__mc68020 -D__mc68020__" |
| #define ASM_CPU_DEFAULT_SPEC "-mc68020" |
| #define CC1_CPU_DEFAULT_SPEC "-m68020" |
| #else |
| #if TARGET_CPU_DEFAULT == M68K_CPU_m68000 |
| #define CPP_CPU_DEFAULT_SPEC "%{!ansi:-Dmc68000 } -D__mc68000 -D__mc68000__" |
| #define ASM_CPU_DEFAULT_SPEC "-mc68000" |
| #define CC1_CPU_DEFAULT_SPEC "-m68000" |
| #else |
| #if TARGET_CPU_DEFAULT == M68K_CPU_m68030 |
| #define CPP_CPU_DEFAULT_SPEC "%{!ansi:-Dmc68030 } -D__mc68030 -D__mc68030__" |
| #define ASM_CPU_DEFAULT_SPEC "-mc68030" |
| #define CC1_CPU_DEFAULT_SPEC "-m68030" |
| #else |
| #if TARGET_CPU_DEFAULT == M68K_CPU_m68040 |
| #define CPP_CPU_DEFAULT_SPEC "%{!ansi:-Dmc68040 } -D__mc68040 -D__mc68040__" |
| #define ASM_CPU_DEFAULT_SPEC "-mc68040" |
| #define CC1_CPU_DEFAULT_SPEC "-m68040" |
| #else |
| #if TARGET_CPU_DEFAULT == M68K_CPU_m68302 |
| #define CPP_CPU_DEFAULT_SPEC "%{!ansi:-Dmc68302 } -D__mc68302 -D__mc68302__" |
| #define ASM_CPU_DEFAULT_SPEC "-mc68302" |
| #define CC1_CPU_DEFAULT_SPEC "-m68000" |
| #else |
| #if TARGET_CPU_DEFAULT == M68K_CPU_m68332 |
| #define CPP_CPU_DEFAULT_SPEC "%{!ansi:-Dmc68332 } -D__mc68332 -D__mc68332__" |
| #define ASM_CPU_DEFAULT_SPEC "-mc68332" |
| #define CC1_CPU_DEFAULT_SPEC "-m68020 -mnobitfield %{!m68881:-msoft-float}" |
| #else |
| Unrecognized value in TARGET_CPU_DEFAULT. |
| #endif |
| #endif |
| #endif |
| #endif |
| #endif |
| #endif |
| |
| /* Always define mc68000. |
| Remember that GCC will automatically add __mc68000 and __mc68000__. */ |
| #undef CPP_PREDEFINES |
| #define CPP_PREDEFINES "-Dmc68000" |
| |
| /* Define one of __HAVE_68881__, __HAVE_FPA__, or nothing (soft float), appropriately. */ |
| #undef CPP_FPU_SPEC |
| #if TARGET_DEFAULT & MASK_68881 |
| /* ??? Why isn't m68302 treated like m68000 here? */ |
| #define CPP_FPU_SPEC \ |
| "%{!mc68000:%{!m68000:%{!m68332:%{!m5200:%{!msoft-float:%{mfpa:-D__HAVE_FPA__ }%{!mfpa:-D__HAVE_68881__ }}}}}}" |
| #else |
| /* This can't currently happen, but we code it anyway to show how it's done. */ |
| #if TARGET_DEFAULT & MASK_FPA |
| #define CPP_FPU_SPEC \ |
| "%{!msoft-float:%{m68881:-D__HAVE_68881__ }%{!m68881:-D__HAVE_FPA__ }}" |
| #else |
| #define CPP_FPU_SPEC \ |
| "%{m68881:-D__HAVE_68881__ }%{mfpa:-D__HAVE_FPA__ }" |
| #endif |
| #endif |
| |
| /* Names to predefine in the preprocessor for this target machine. |
| Other definitions depend on what the default cpu is and switches |
| given to the compiler: |
| |
| -m68000, -mc68000: define nothing else |
| -m68010: define mc68010 |
| -m68020, -mc68020: define mc68020 |
| -m68030: define mc68030 |
| -m68040: define mc68040 |
| -m68060: define mc68060 |
| -m68020-40: define mc68020 mc68030 mc68040 |
| -m68302: define mc68302 |
| -m68332: define mc68332 |
| -m5200: define mcf5200 |
| default: define as above appropriately |
| |
| GCC won't automatically add __'d versions, we have to mention them |
| explicitly. */ |
| |
| #undef CPP_SPEC |
| #define CPP_SPEC "\ |
| %(cpp_fpu) \ |
| %{!ansi:%{m68010:-Dmc68010 }%{m68020:-Dmc68020 }%{mc68020:-Dmc68020 }%{m68030:-Dmc68030 }%{m68040:-Dmc68040 }%{m68020-40:-Dmc68020 -Dmc68030 -Dmc68040 }%{m68060:-Dmc68060 }%{m68302:-Dmc68302 }%{m68332:-Dmc68332 }%{m5200:-Dmcf5200 }} \ |
| %{m68010:-D__mc68010__ -D__mc68010 }%{m68020:-D__mc68020__ -D__mc68020 }%{mc68020:-D__mc68020__ -D__mc68020 }%{m68030:-D__mc68030__ -D__mc68030 }%{m68040:-D__mc68040__ -D__mc68040 }%{m68020-40:-D__mc68020__ -D__mc68030__ -D__mc68040__ -D__mc68020 -D__mc68030 -D__mc68040 }%{mc68060:-D__mc68060__ -D__mc68060 }%{m68302:-D__mc68302__ -D__mc68302 }%{m68332:-D__mc68332__ -D__mc68332 }%{m5200:-D__mcf5200__ -D__mcf5200 } \ |
| %{!mc68000:%{!m68000:%{!m68010:%{!mc68020:%{!m68020:%{!m68030:%{!m68040:%{!m68020-40:%{!m68060:%{!m68302:%{!m68332:%{!m5200:%(cpp_cpu_default)}}}}}}}}}}}} \ |
| %(cpp_subtarget) \ |
| " |
| |
| /* 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}%{mc68000}%{m68010}%{m68020}%{mc68020}%{m68030}%{m68040}%{m68020-40:-mc68040}%{m68060}%{m68302}%{m68332}%{m5200} \ |
| %{!mc68000:%{!m68000:%{!m68010:%{!mc68020:%{!m68020:%{!m68030:%{!m68040:%{!m68020-40:%{!m68060:%{!m68302:%{!m68332:%{!m5200:%(asm_cpu_default)}}}}}}}}}}}} \ |
| " |
| |
| #undef CC1_SPEC |
| #define CC1_SPEC "\ |
| %{m68000:%{!m68881:-msoft-float }}%{m68302:-m68000 }%{m68332:-m68020 -mnobitfield %{!m68881:-msoft-float }} \ |
| " |
| /* ??? Is this needed? |
| %{!m68000:%{!mc68000:%{!m68010:%{!mc68020:%{!m68020:%{!m68030:%{!m68040:%{!m68020-40:%{!m68302:%{!m68332:%(cc1_cpu_default)}}}}}}}}}} |
| */ |
| |
| /* 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 GNU CC driver |
| program. |
| |
| Do not define this macro if it does not need to do anything. */ |
| |
| #define EXTRA_SPECS \ |
| { "cpp_cpu_default", CPP_CPU_DEFAULT_SPEC }, \ |
| { "cpp_fpu", CPP_FPU_SPEC }, \ |
| { "cpp_subtarget", CPP_SUBTARGET_SPEC }, \ |
| { "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. |
| t-m68kbare doesn't support -mfpa in the multilib'd libraries, so we don't |
| either. |
| 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 |