+++ /dev/null
-/* Definitions of target machine for GNU compiler. Sun 68000/68020 version.
- Copyright (C) 1987, 1988, 1993, 1995, 1996, 1998, 1999
- 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. */
-
-/* This comment is here to see if it will keep Sun's cpp from dying. */
-
-/* If you do not need to generate floating point code for the optional
- Sun FPA board, you can safely comment out the SUPPORT_SUN_FPA define
- to gain a little speed and code size. */
-
-#define SUPPORT_SUN_FPA
-
-#include "m68k/m68k.h"
-
-/* See m68k.h. 7 means 68020 with 68881. */
-
-#ifndef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_BITFIELD|MASK_68881|MASK_68020)
-#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 & MASK_68881
-
-/* -m68881 is the default */
-#define CPP_SPEC \
-"%{!msoft-float:%{mfpa:-D__HAVE_FPA__ }%{!mfpa:-D__HAVE_68881__ }}\
-%{m68000:-D__mc68010__}%{mc68000:-D__mc68010__}%{!mc68000:%{!m68000:-D__mc68020__}} \
-%{!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__ }\
-%{m68000:-D__mc68010__}%{mc68000:-D__mc68010__}%{!mc68000:%{!m68000:-D__mc68020__}} \
-%{!ansi:%{m68000:-Dmc68010}%{mc68000:-Dmc68010}%{!mc68000:%{!m68000:-Dmc68020}}}"
-
-#endif
-
-/* Prevent error on `-sun3' and `-target sun3' options. */
-
-#define CC1_SPEC "%{sun3:} %{target:}"
-
-#define PTRDIFF_TYPE "int"
-
-/* We must override m68k.h. */
-#undef WCHAR_TYPE
-#undef WCHAR_TYPE_SIZE
-#define WCHAR_TYPE "short unsigned int"
-#define WCHAR_TYPE_SIZE 16
-
-/* These compiler options take an argument. We ignore -target for now. */
-
-#define WORD_SWITCH_TAKES_ARG(STR) \
- (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \
- || !strcmp (STR, "target") || !strcmp (STR, "assert"))
-
-/* -m68000 requires special flags to the assembler. */
-
-#define ASM_SPEC \
- "%{m68000:-mc68010}%{mc68000:-mc68010}%{!mc68000:%{!m68000:-mc68020}} \
- %{fpic:-k} %{fPIC:-k} %{R} %{j} %{J} %{h} %{d2} %{keep-local-as-symbols:-L}"
-
-/* Names to predefine in the preprocessor for this target machine. */
-/* For a while, -D_CROSS_TARGET_ARCH=SUN3 was included here,
- but it doesn't work, partly because SUN3 etc. aren't defined
- (and shouldn't be). It seems that on a native compiler _CROSS_TARGET_ARCH
- should not be defined. For cross compilers, let's do things as we
- normally do in GCC. -- rms. */
-
-#define CPP_PREDEFINES "-Dmc68000 -Dsun -Dunix -Asystem=unix -Asystem=bsd -Acpu=m68k -Amachine=m68k"
-
-/* 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 & MASK_FPA
-/* -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 & MASK_68881
-/* -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.
- Control choice of libm.a (if user says -lm)
- based on fp arith default and options. */
-
-#if TARGET_DEFAULT & MASK_FPA
-/* -mfpa is the default */
-#define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
-%{g:-lg} \
-%{msoft-float:-L/usr/lib/fsoft}%{m68881:-L/usr/lib/f68881}\
-%{!msoft_float:%{!m68881:-L/usr/lib/ffpa}}"
-#else
-#if TARGET_DEFAULT & MASK_68881
-/* -m68881 is the default */
-#define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
-%{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 "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
-%{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. */
-
-#define LINK_SPEC \
- "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}"
-
-/* 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
-
-/* Allow folding division by zero. */
-#define REAL_INFINITY
-
-/* Generate calls to memcpy, memcmp and memset. */
-#define TARGET_MEM_FUNCTIONS
-
-/* This is not a good idea. It prevents interoperation between
- files compiled with -m68881 and those compiled with -msoft-float. */
-#if 0
-#define FUNCTION_VALUEX(MODE) \
- gen_rtx_REG ((MODE), \
- ((TARGET_68881 \
- && ((MODE) == SFmode || (MODE) == DFmode \
- || (MODE) == XFmode)) \
- ? 16 : 0))
-
-#undef FUNCTION_VALUE
-#define FUNCTION_VALUE(VALTYPE,FUNC) FUNCTION_VALUEX (TYPE_MODE (VALTYPE))
-#endif /* 0 */
-
-/* This is how to output an assembler lines defining floating operands.
- There's no way to output a NaN's fraction, so we lose it. */
-
-#undef ASM_OUTPUT_FLOAT_OPERAND
-#define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE) \
- do { \
- if (CODE != 'f') \
- { \
- long l; \
- REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
- if (sizeof (int) == sizeof (long)) \
- asm_fprintf ((FILE), "%I0x%x", (int) l); \
- else \
- asm_fprintf ((FILE), "%I0x%lx", l); \
- } \
- else if (REAL_VALUE_ISINF (VALUE)) \
- { \
- if (REAL_VALUE_NEGATIVE (VALUE)) \
- asm_fprintf (FILE, "%I0r-99e999"); \
- else \
- asm_fprintf (FILE, "%I0r99e999"); \
- } \
- else if (REAL_VALUE_MINUS_ZERO (VALUE)) \
- { \
- asm_fprintf (FILE, "%I0r-0.0"); \
- } \
- else \
- { char dstr[30]; \
- REAL_VALUE_TO_DECIMAL ((VALUE), "%.9g", dstr); \
- asm_fprintf (FILE, "%I0r%s", dstr); \
- } \
- } while (0)
-
-#undef ASM_OUTPUT_DOUBLE_OPERAND
-#define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \
- do { if (REAL_VALUE_ISINF (VALUE)) \
- { \
- if (REAL_VALUE_NEGATIVE (VALUE)) \
- asm_fprintf (FILE, "%I0r-99e999"); \
- else \
- asm_fprintf (FILE, "%I0r99e999"); \
- } \
- else if (REAL_VALUE_MINUS_ZERO (VALUE)) \
- { \
- asm_fprintf (FILE, "%I0r-0.0"); \
- } \
- else \
- { char dstr[30]; \
- REAL_VALUE_TO_DECIMAL ((VALUE), "%.17g", dstr); \
- asm_fprintf (FILE, "%I0r%s", dstr); \
- } \
- } while (0)
projects / msp430-gcc.git / blobdiff