/* Definitions of target machine for GNU compiler. ISI 68000/68020 version. Intended only for use with GAS, and not ISI's assembler, which is buggy Copyright (C) 1988 Free Software Foundation, Inc. This file is part of GNU CC. GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY. No author or distributor accepts responsibility to anyone for the consequences of using it or for whether it serves any particular purpose or works at all, unless he says so in writing. Refer to the GNU CC General Public License for full details. Everyone is granted permission to copy, modify and redistribute GNU CC, but only under the conditions described in the GNU CC General Public License. A copy of this license is supposed to have been given to you along with GNU CC so you can know your rights and responsibilities. It should be in a file named COPYING. Among other things, the copyright notice and this notice must be preserved on all copies. */ #include "tm-m68k.h" /* See tm-m68k.h. 7 means 68020 with 68881. */ #define TARGET_DEFAULT 7 /* If the 68881 is used, link must load libmc.a instead of libc.a */ #define LIB_SPEC "%{msoft-float:%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}%{!msoft-float:%{!p:%{!pg:-lmc}}%{p:-lmc_p}%{pg:-lmc_p}}" /* Names to predefine in the preprocessor for this target machine. */ #define CPP_PREDEFINES "-Dunix -Dmc68000 -Dis68k" /* Override parts of tm-m68000.h to fit the ISI 68k machine. */ #undef FUNCTION_VALUE #undef LIBCALL_VALUE #undef FUNCTION_VALUE_REGNO_P #undef ASM_FILE_START /* If TARGET_68881, return SF and DF values in f0 instead of d0. */ #define FUNCTION_VALUE(VALTYPE,FUNC) LIBCALL_VALUE (TYPE_MODE (VALTYPE)) #define LIBCALL_VALUE(MODE) \ gen_rtx (REG, (MODE), ((TARGET_68881 && ((MODE) == SFmode || (MODE) == DFmode)) ? 16 : 0)) /* 1 if N is a possible register number for a function value. D0 may be used, and F0 as well if -m68881 is specified. */ #define FUNCTION_VALUE_REGNO_P(N) \ ((N) == 0 || (TARGET_68881 && (N) == 16)) /* Also output something to cause the correct _doprnt to be loaded. */ #define ASM_FILE_START "#NO_APP\n.globl fltused\n"