+++ /dev/null
-/* Target definitions for GNU compiler for mc680x0 running NeXTSTEP
- Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997, 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. */
-
-#include "m68k/m68k.h"
-#include "nextstep.h"
-
-/* See m68k.h. 0407 means 68040 (or 68030 or 68020, with 68881/2). */
-
-#define TARGET_DEFAULT (MASK_68040|MASK_BITFIELD|MASK_68881|MASK_68020)
-
-/* Boundary (in *bits*) on which stack pointer should be aligned. */
-
-#undef STACK_BOUNDARY
-#define STACK_BOUNDARY 32
-
-/* Names to predefine in the preprocessor for this target machine. */
-
-#define CPP_PREDEFINES "-Dmc68000 -Dm68k -DNeXT -Dunix -D__MACH__ -D__BIG_ENDIAN__ -D__ARCHITECTURE__=\"m68k\" -Asystem=unix -Asystem=mach -Acpu=m68k -Amachine=m68k -D_NEXT_SOURCE"
-
-/* Every structure or union's size must be a multiple of 2 bytes.
- (Why isn't this in m68k.h?) */
-
-#define STRUCTURE_SIZE_BOUNDARY 16
-
-#undef ASM_OUTPUT_FLOAT_OPERAND
-#ifdef REAL_VALUE_TO_TARGET_SINGLE
-#define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE) \
- do { \
- long hex; \
- REAL_VALUE_TO_TARGET_SINGLE (VALUE, hex); \
- fprintf (FILE, "#0%c%lx", (CODE) == 'f' ? 'b' : 'x', hex); \
- } while (0)
-#else
-#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)) \
- fprintf (FILE, "#0r-99e999"); \
- else \
- fprintf (FILE, "#0r99e999"); \
- } \
- else \
- { char dstr[30]; \
- REAL_VALUE_TO_DECIMAL ((VALUE), "%.9g", dstr); \
- fprintf (FILE, "#0r%s", dstr); \
- } \
- } while (0)
-#endif
-
-#undef ASM_OUTPUT_DOUBLE_OPERAND
-#ifdef REAL_VALUE_TO_TARGET_DOUBLE
-#define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \
- do { \
- long hex[2]; \
- REAL_VALUE_TO_TARGET_DOUBLE (VALUE, hex); \
- fprintf (FILE, "#0b%lx%08lx", hex[0], hex[1]); \
- } while (0)
-#else
-#define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \
- do { if (REAL_VALUE_ISINF (VALUE)) \
- { \
- if (REAL_VALUE_NEGATIVE (VALUE)) \
- fprintf (FILE, "#0r-99e999"); \
- else \
- fprintf (FILE, "#0r99e999"); \
- } \
- else \
- { char dstr[30]; \
- REAL_VALUE_TO_DECIMAL ((VALUE), "%.20g", dstr); \
- fprintf (FILE, "#0r%s", dstr); \
- } \
- } while (0)
-#endif
-
-/* We do not define JUMP_TABLES_IN_TEXT_SECTION, since we wish to keep
- the text section pure. There is no point in addressing the jump
- tables using pc relative addressing, since they are not in the text
- section, so we undefine CASE_VECTOR_PC_RELATIVE. This also
- causes the compiler to use absolute addresses in the jump table,
- so we redefine CASE_VECTOR_MODE to be SImode. */
-
-#undef CASE_VECTOR_MODE
-#define CASE_VECTOR_MODE SImode
-#undef CASE_VECTOR_PC_RELATIVE
-
-/* Make sure jump tables have the same alignment as other pointers. */
-
-#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLEINSN) \
-{ ASM_OUTPUT_ALIGN (FILE, 1); ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM); }
-
-/* Don't treat addresses involving labels differently from symbol names.
- Previously, references to labels generated pc-relative addressing modes
- while references to symbol names generated absolute addressing modes. */
-
-#undef GO_IF_INDEXABLE_BASE
-#define GO_IF_INDEXABLE_BASE(X, ADDR) \
-{ if (LEGITIMATE_BASE_REG_P (X)) goto ADDR; }
-
-/* This accounts for the return pc and saved fp on the m68k. */
-
-#define OBJC_FORWARDING_STACK_OFFSET 8
-#define OBJC_FORWARDING_MIN_OFFSET 8
-
-/* FINALIZE_TRAMPOLINE enables executable stack. The
- __enable_execute_stack also clears the insn cache. */
-
-#undef FINALIZE_TRAMPOLINE
-#define FINALIZE_TRAMPOLINE(TRAMP) \
- emit_library_call(gen_rtx_SYMBOL_REF (Pmode, "__enable_execute_stack"), \
- 0, VOIDmode, 1, memory_address (SImode, (TRAMP)), Pmode)
-
-/* A C expression used to clear the instruction cache from
- address BEG to address END. On NeXTSTEP this i a system trap. */
-
-#define CLEAR_INSN_CACHE(BEG, END) \
- asm volatile ("trap #2")
-
-/* GCC is the primary compiler for NeXTSTEP, so we don't need this. */
-#undef PCC_STATIC_STRUCT_RETURN
projects / msp430-gcc.git / blobdiff