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Diffstat (limited to 'gcc-1.40/config/tm-sun3.h')
| -rw-r--r-- | gcc-1.40/config/tm-sun3.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/gcc-1.40/config/tm-sun3.h b/gcc-1.40/config/tm-sun3.h new file mode 100644 index 0000000..90f54b0 --- /dev/null +++ b/gcc-1.40/config/tm-sun3.h @@ -0,0 +1,186 @@ +/* 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 modify +it under the terms of the GNU General Public License as published by +the 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 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, 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")) + +/* -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 %{g:-Bstatic} %{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))) |