/* Definitions of target machine for GNU compiler.  Sun 68000/68020 version.   Copyright (C) 1987, 1988 Free Software Foundation, Inc.This file is part of GNU CC.GNU CC is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe Free Software Foundation; either version 1, 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 ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with GNU CC; see the file COPYING.  If not, write tothe Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  *//* This comment is here to see if it will keep Sun's cpp from dying.  */#include "tm-m68k.h"/* See tm-m68k.h.  7 means 68020 with 68881.  */#ifndef TARGET_DEFAULT#define TARGET_DEFAULT 7#endif/* Define __HAVE_FPA__ or __HAVE_68881__ in preprocessor,   according to the -m flags.   This will control the use of inline 68881 insns in certain macros.   Also inform the program which CPU this is for.  */#if TARGET_DEFAULT & 02/* -m68881 is the default */#define CPP_SPEC \"%{!msoft-float:%{mfpa:-D__HAVE_FPA__ }%{!mfpa:-D__HAVE_68881__ }}\%{!ansi:%{m68000:-Dmc68010}%{mc68000:-Dmc68010}%{!mc68000:%{!m68000:-Dmc68020}}}"#else#if TARGET_DEFAULT & 0100/* -mfpa is the default */#define CPP_SPEC \"%{!msoft-float:%{m68881:-D__HAVE_68881__ }%{!m68881:-D__HAVE_FPA__ }}\%{!ansi:%{m68000:-Dmc68010}%{mc68000:-Dmc68010}%{!mc68000:%{!m68000:-Dmc68020}}}"#else/* -msoft-float is the default */#define CPP_SPEC \"%{m68881:-D__HAVE_68881__ }%{mfpa:-D__HAVE_FPA__ }\%{!ansi:%{m68000:-Dmc68010}%{mc68000:-Dmc68010}%{!mc68000:%{!m68000:-Dmc68020}}}"#endif#endif/* Prevent error on `-sun3' and `-target sun3' options.  */#define CC1_SPEC "%{sun3:} %{target:}"/* These compiler options take an argument.  We ignore -target for now.  */#define WORD_SWITCH_TAKES_ARG(STR) \  (!strcmp (STR, "target") || !strcmp (STR, "Tdata"))/* -m68000 requires special flags to the assembler.  */#define ASM_SPEC \ "%{m68000:-mc68010}%{mc68000:-mc68010}%{!mc68000:%{!m68000:-mc68020}}"/* Names to predefine in the preprocessor for this target machine.  */#define CPP_PREDEFINES "-Dmc68000 -Dsun -Dunix"/* STARTFILE_SPEC to include sun floating point initialization   This is necessary (tr: Sun does it) for both the m68881 and the fpa   routines.   Note that includes knowledge of the default specs for gcc, ie. no   args translates to the same effect as -m68881   I'm not sure what would happen below if people gave contradictory   arguments (eg. -msoft-float -mfpa) */#if TARGET_DEFAULT & 0100/* -mfpa is the default */#define STARTFILE_SPEC					\  "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}	\   %{m68881:Mcrt1.o%s}					\   %{msoft-float:Fcrt1.o%s}				\   %{!m68881:%{!msoft-float:Wcrt1.o%s}}"#else#if TARGET_DEFAULT & 2/* -m68881 is the default */#define STARTFILE_SPEC					\  "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}	\   %{mfpa:Wcrt1.o%s}					\   %{msoft-float:Fcrt1.o%s}				\   %{!mfpa:%{!msoft-float:Mcrt1.o%s}}"#else/* -msoft-float is the default */#define STARTFILE_SPEC					\  "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}	\   %{m68881:Mcrt1.o%s}					\   %{mfpa:Wcrt1.o%s}					\   %{!m68881:%{!mfpa:Fcrt1.o%s}}"#endif#endif/* Specify library to handle `-a' basic block profiling.  *//* Specify library to handle `-a' basic block profiling.   Control choice of libm.a (if user says -lm)   based on fp arith default and options.  */#if TARGET_DEFAULT & 0100/* -mfpa is the default */#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \%{a:/usr/lib/bb_link.o -lc} %{g:-lg} \%{msoft-float:-L/usr/lib/fsoft}%{m68881:-L/usr/lib/f68881}\%{!msoft_float:%{!m68881:-L/usr/lib/ffpa}}"#else#if TARGET_DEFAULT & 2/* -m68881 is the default */#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \%{a:/usr/lib/bb_link.o -lc} %{g:-lg} \%{msoft-float:-L/usr/lib/fsoft}%{!msoft-float:%{!mfpa:-L/usr/lib/f68881}}\%{mfpa:-L/usr/lib/ffpa}"#else/* -msoft-float is the default */#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \%{a:/usr/lib/bb_link.o -lc} %{g:-lg} \%{!m68881:%{!mfpa:-L/usr/lib/fsoft}}%{m68881:-L/usr/lib/f68881}\%{mfpa:-L/usr/lib/ffpa}"#endif#endif/* Provide required defaults for linker -e and -d switches.   Also, it is hard to debug with shared libraries,   so don't use them if going to debug.  */#define LINK_SPEC "%{!e*:-e start} -dc -dp %{static:-Bstatic} %{-Bstatic}"/* Every structure or union's size must be a multiple of 2 bytes.  */#define STRUCTURE_SIZE_BOUNDARY 16/* This is BSD, so it wants DBX format.  */#define DBX_DEBUGGING_INFO/* This is how to output an assembler line defining a `double' constant.  */#undef ASM_OUTPUT_DOUBLE#define ASM_OUTPUT_DOUBLE(FILE,VALUE)					\  (isinf ((VALUE))							\   ? fprintf (FILE, "\t.double 0r%s99e999\n", ((VALUE) > 0 ? "" : "-")) \   : double_is_minus_zero ((VALUE))					\   ? fprintf (FILE, "\t.long 0x80000000,0\n")				\   : fprintf (FILE, "\t.double 0r%.20e\n", (VALUE)))/* This is how to output an assembler line defining a `float' constant.  */#undef ASM_OUTPUT_FLOAT#define ASM_OUTPUT_FLOAT(FILE,VALUE)					\  (isinf ((VALUE))							\   ? fprintf (FILE, "\t.single 0r%s99e999\n", ((VALUE) > 0 ? "" : "-")) \   : double_is_minus_zero ((VALUE))					\   ? fprintf (FILE, "\t.long 0x80000000\n")				\   : fprintf (FILE, "\t.single 0r%.20e\n", (VALUE)))#undef ASM_OUTPUT_FLOAT_OPERAND#define ASM_OUTPUT_FLOAT_OPERAND(FILE,VALUE)				\  (isinf ((VALUE))							\   ? fprintf (FILE, "#0r%s99e999", ((VALUE) > 0 ? "" : "-")) 		\   : double_is_minus_zero ((VALUE))					\   ? fprintf (FILE, "#0r-0.0")						\   : fprintf (FILE, "#0r%.9g", (VALUE)))#undef ASM_OUTPUT_DOUBLE_OPERAND#define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE)				\  (isinf ((VALUE))							\   ? fprintf (FILE, "#0r%s99e999", ((VALUE) > 0 ? "" : "-"))		\   : double_is_minus_zero ((VALUE))					\   ? fprintf (FILE, "#0r-0.0")						\   : fprintf (FILE, "#0r%.20g", (VALUE)))