1 /* Definitions of target machine for GNU compiler. "naked" 68020. 2 Copyright (C) 1994, 1996, 2003, 2006 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GCC is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING. If not, write to 18 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 19 Boston, MA 02110-1301, USA. */ 20 21 /* Default to m68k (m68020). */ 22 #ifndef TARGET_CPU_DEFAULT 23 #define TARGET_CPU_DEFAULT M68K_CPU_m68k 24 #endif 25 26 /* These are values set by the configure script in TARGET_CPU_DEFAULT. 27 They are (sequential integer + (desired value for TARGET_DEFAULT) << 4). */ 28 #define M68K_CPU_m68k (0 + ((MASK_68020|MASK_68881|MASK_BITFIELD)<<4)) 29 #define M68K_CPU_m68000 (1 + (0 << 4)) 30 #define M68K_CPU_m68010 (1 + (0 << 4)) /* make same as m68000 */ 31 #define M68K_CPU_m68020 (2 + ((MASK_68020|MASK_68881|MASK_BITFIELD) << 4)) 32 #define M68K_CPU_m68030 (3 + ((MASK_68030|MASK_68020|MASK_68881|MASK_BITFIELD) << 4)) 33 #define M68K_CPU_m68040 (4 + ((MASK_68040_ONLY|MASK_68020|MASK_68881|MASK_BITFIELD) << 4)) 34 #define M68K_CPU_m68302 (5 + (0 << 4)) 35 #define M68K_CPU_m68332 (6 + (MASK_68020 << 4)) 36 37 /* This is tested for below, so if target wants to override this, it 38 just set this first in cover file. */ 39 #ifndef TARGET_DEFAULT 40 #define TARGET_DEFAULT (TARGET_CPU_DEFAULT >> 4) 41 #endif 42 43 /* Defaults for the various specs below. 44 These are collected here so we only test TARGET_CPU_DEFAULT once. */ 45 /* ??? CC1_CPU_DEFAULT_SPEC was copied over from the earlier version of 46 this file. However, it's not used anywhere here because it doesn't 47 seem to be necessary. */ 48 #if TARGET_CPU_DEFAULT == M68K_CPU_m68k || TARGET_CPU_DEFAULT == M68K_CPU_m68020 49 #define ASM_CPU_DEFAULT_SPEC "-mc68020" 50 #define CC1_CPU_DEFAULT_SPEC "-m68020" 51 #else 52 #if TARGET_CPU_DEFAULT == M68K_CPU_m68000 53 #define ASM_CPU_DEFAULT_SPEC "-mc68000" 54 #define CC1_CPU_DEFAULT_SPEC "-m68000" 55 #else 56 #if TARGET_CPU_DEFAULT == M68K_CPU_m68030 57 #define ASM_CPU_DEFAULT_SPEC "-mc68030" 58 #define CC1_CPU_DEFAULT_SPEC "-m68030" 59 #else 60 #if TARGET_CPU_DEFAULT == M68K_CPU_m68040 61 #define ASM_CPU_DEFAULT_SPEC "-mc68040" 62 #define CC1_CPU_DEFAULT_SPEC "-m68040" 63 #else 64 #if TARGET_CPU_DEFAULT == M68K_CPU_m68302 65 #define ASM_CPU_DEFAULT_SPEC "-mc68302" 66 #define CC1_CPU_DEFAULT_SPEC "-m68302" 67 #else 68 #if TARGET_CPU_DEFAULT == M68K_CPU_m68332 69 #define ASM_CPU_DEFAULT_SPEC "-mc68332" 70 #define CC1_CPU_DEFAULT_SPEC "-m68332" 71 #else 72 Unrecognized value in TARGET_CPU_DEFAULT. 73 #endif 74 #endif 75 #endif 76 #endif 77 #endif 78 #endif 79 80 /* Pass flags to gas indicating which type of processor we have. */ 81 82 #undef ASM_SPEC 83 #define ASM_SPEC "\ 84 %{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)}}}}}}}}}}}}}}}}}}} \ 85 %{fPIC:--pcrel} %{fpic:--pcrel} %{msep-data:--pcrel} %{mid-shared-library:--pcrel} \ 86 " 87 88 /* cc1/cc1plus always receives all the -m flags. If the specs strings above 89 are consistent with the flags in m68k.opt, there should be no need for 90 any further cc1/cc1plus specs. */ 91 92 #undef CC1_SPEC 93 #define CC1_SPEC "" 94 95 /* This macro defines names of additional specifications to put in the specs 96 that can be used in various specifications like CC1_SPEC. Its definition 97 is an initializer with a subgrouping for each command option. 98 99 Each subgrouping contains a string constant, that defines the 100 specification name, and a string constant that used by the GCC driver 101 program. 102 103 Do not define this macro if it does not need to do anything. */ 104 105 #define EXTRA_SPECS \ 106 { "asm_cpu_default", ASM_CPU_DEFAULT_SPEC }, \ 107 { "cc1_cpu_default", CC1_CPU_DEFAULT_SPEC }, \ 108 SUBTARGET_EXTRA_SPECS 109 110 #define CPP_SUBTARGET_SPEC "" 111 #define SUBTARGET_EXTRA_SPECS 112 113 /* Avoid building multilib libraries for the defaults. 114 For targets not handled here, just build the full set of multilibs. 115 The default is m68k 99.9% of the time anyway. */ 116 117 #if TARGET_CPU_DEFAULT == M68K_CPU_m68k || TARGET_CPU_DEFAULT == M68K_CPU_m68020 118 #if TARGET_DEFAULT & MASK_68881 119 #define MULTILIB_DEFAULTS { "m68020", "m68881" } 120 #else 121 #define MULTILIB_DEFAULTS { "m68020", "msoft-float" } 122 #endif 123 #endif 124 125 #if TARGET_CPU_DEFAULT == M68K_CPU_m68000 || TARGET_CPU_DEFAULT == M68K_CPU_m68302 126 #if TARGET_DEFAULT & MASK_68881 127 #define MULTILIB_DEFAULTS { "m68000", "m68881" } 128 #else 129 #define MULTILIB_DEFAULTS { "m68000", "msoft-float" } 130 #endif 131 #endif 132