+++ /dev/null
-/* Definitions of target machine for GNU compiler. Apollo 680X0 version.
- Copyright (C) 1989, 1992, 1996, 1997, 1999, 2002 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. */
-
-#include "m68k/m68k.h"
-
-/* This symbol may be tested in other files for special Apollo handling */
-
-#define TM_APOLLO
-
-/* See m68k.h. 7 means 68020 with 68881. */
-
-#ifndef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_BITFIELD|MASK_68881|MASK_68020)
-#endif
-
-/* Target switches for the Apollo is the same as in m68k.h, except
- there is no Sun FPA. */
-
-#undef TARGET_SWITCHES
-#define TARGET_SWITCHES \
- { { "68020", 5}, \
- { "c68020", 5}, \
- { "68881", 2}, \
- { "bitfield", 4}, \
- { "68000", -5}, \
- { "c68000", -5}, \
- { "soft-float", -0102}, \
- { "nobitfield", -4}, \
- { "rtd", 8}, \
- { "nortd", -8}, \
- { "short", 040}, \
- { "noshort", -040}, \
- { "", TARGET_DEFAULT}}
-
-/* Define __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__ }}\
-%{!ansi:%{m68000:-Dmc68010 }%{mc68000:-Dmc68010 }%{!mc68000:%{!m68000:-Dmc68020 }}\
-%{!ansi:-D_APOLLO_SOURCE}}"
-
-#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 }}\
-%{!ansi:-D_APOLLO_SOURCE}}"
-
-#endif
-
-/* Names to predefine in the preprocessor for this target machine. */
-/* These are the ones defined by Apollo, plus mc68000 for uniformity with
- GCC on other 68000 systems. */
-
-#define CPP_PREDEFINES "-Dapollo -Daegis -Dunix -Asystem=unix -Acpu=m68k -Amachine=m68k"
-
-/* cpp has to support a #sccs directive for the /usr/include files */
-
-#define SCCS_DIRECTIVE
-
-/* Allow #ident but output nothing for it. */
-
-#define IDENT_DIRECTIVE
-#define ASM_OUTPUT_IDENT(FILE, NAME)
-
-/* -m68000 requires special flags to the assembler. */
-
-#define ASM_SPEC \
- "%{m68000:-mc68010}%{mc68000:-mc68010}%{!mc68000:%{!m68000:-mc68020}}"
-
-/* STARTFILE_SPEC
- Note that includes knowledge of the default specs for gcc, ie. no
- args translates to the same effect as -m68881 */
-
-#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}}"
-#else
-/* -msoft-float is the default */
-#define STARTFILE_SPEC \
- "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
-#endif
-
-/* Specify library to handle `-a' basic block profiling. */
-
-#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
-%{a:/usr/lib/bb_link.o} "
-
-/* Debugging is not supported yet */
-
-#undef DBX_DEBUGGING_INFO
-#undef SDB_DEBUGGING_INFO
-
-/* troy@cbme.unsw.edu.au says people are still using sr10.2
- and it does not support atexit. */
-#define NEED_ATEXIT
-
-/* Every structure or union's size must be a multiple of 2 bytes. */
-
-#define STRUCTURE_SIZE_BOUNDARY 16
-
-/* Boundary (in *bits*) on which stack pointer should be aligned. */
-#undef STACK_BOUNDARY
-#define STACK_BOUNDARY 32
-
-/* Functions which return large structures get the address
- to place the wanted value from a hidden parameter. */
-
-#undef PCC_STATIC_STRUCT_RETURN
-#undef STRUCT_VALUE_REGNUM
-#define STRUCT_VALUE 0
-#define STRUCT_VALUE_INCOMING 0
-
-/* Specify how to pad function arguments.
- Arguments are not padded at all; the stack is kept aligned on long
- boundaries. */
-
-#define FUNCTION_ARG_PADDING(mode, size) none
-
-/* The definition of this macro imposes a limit on the size of
- an aggregate object which can be treated as if it were a scalar
- object. */
-
-#define MAX_FIXED_MODE_SIZE BITS_PER_WORD
-
-/* The definition of this macro implies that there are cases where
- a scalar value cannot be returned in registers.
- For Apollo, anything larger than one integer register is returned
- using the structure-value mechanism, i.e. objects of DFmode are
- returned that way. */
-
-#define RETURN_IN_MEMORY(type) \
- (TYPE_MODE (type) == BLKmode \
- || GET_MODE_SIZE (TYPE_MODE (type)) > UNITS_PER_WORD)
-
-/* In order to link with Apollo libraries, we can't prefix external
- symbols with an underscore. */
-
-#undef USER_LABEL_PREFIX
-
-/* Use a prefix for local labels, just to be on the save side. */
-
-#undef LOCAL_LABEL_PREFIX
-#define LOCAL_LABEL_PREFIX "."
-
-/* Use a register prefix to avoid clashes with external symbols (classic
- example: `extern char PC;' in termcap). */
-
-#undef REGISTER_PREFIX
-#define REGISTER_PREFIX "%"
-
-/* config/m68k.md has an explicit reference to the program counter,
- prefix this by the register prefix. */
-
-#define ASM_RETURN_CASE_JUMP \
- do { \
- if (TARGET_5200) \
- { \
- if (ADDRESS_REG_P (operands[0])) \
- return "jmp %%pc@(2,%0:l)"; \
- else \
- return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
- } \
- else \
- return "jmp %%pc@(2,%0:w)"; \
- } while (0)
-
-/* Here are the new register names. */
-
-#undef REGISTER_NAMES
-#ifndef SUPPORT_SUN_FPA
-#define REGISTER_NAMES \
-{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \
- "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%sp", \
- "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7" }
-#else /* SUPPORTED_SUN_FPA */
-#define REGISTER_NAMES \
-{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \
- "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%sp", \
- "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7", \
- "%fpa0", "%fpa1", "%fpa2", "%fpa3", "%fpa4", "%fpa5", "%fpa6", "%fpa7", \
- "%fpa8", "%fpa9", "%fpa10", "%fpa11", "%fpa12", "%fpa13", "%fpa14", "%fpa15", \
- "%fpa16", "%fpa17", "%fpa18", "%fpa19", "%fpa20", "%fpa21", "%fpa22", "%fpa23", \
- "%fpa24", "%fpa25", "%fpa26", "%fpa27", "%fpa28", "%fpa29", "%fpa30", "%fpa31" }
-#endif /* defined SUPPORT_SUN_FPA */
projects / msp430-gcc.git / blobdiff