gcc/config/m68k/mot3300.h

/* Definitions of target machine for GNU compiler,
   SysV68 Motorola 3300 Delta Series.
   Copyright (C) 1987, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
   Contributed by Abramo and Roberto Bagnara (bagnara@dipisa.di.unipi.it)
   based on Alex Crain's 3B1 definitions.
   Maintained by Philippe De Muyter (phdm@info.ucl.ac.be).
   Support for GAS added by merging mot3300g.h into this file by
   Manfred Hollstein (manfred@lts.sel.alcatel.de).

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.  */

#ifndef USE_GAS
#define MOTOROLA		/* Use Motorola syntax rather than "MIT" */
#define MOTOROLA_BSR		/* Use Span-dependent optimized bsr */
#define SGS			/* Uses SGS assembler */
#define SGS_CMP_ORDER		/* Takes cmp operands in reverse order */
#define SGS_SWAP_W		/* Use swap.w rather than just plain swap */
#endif /* USE_GAS */

#define NO_DOLLAR_IN_LABEL
#define NO_DOT_IN_LABEL

#include "m68k/m68k.h"

/* See m68k.h.  0407 means 68020-68040.  */

#ifndef TARGET_DEFAULT
#define TARGET_DEFAULT (MASK_68040|MASK_BITFIELD|MASK_68881|MASK_68020)
#endif

/* -m[c]6800 requires special flag to the assembler.  */

#undef ASM_SPEC
#ifndef USE_GAS
#define ASM_SPEC "%{m68000:-p 000}%{mc68000:-p 000}"
#else /* USE_GAS */
#define ASM_SPEC \
  "%{v:-v} %{m68000:-mc68000}%{mc68000:-mc68000}%{!mc68000:%{!m68000:-mc68020}}"
#endif /* USE_GAS */

/* NYI: FP= is equivalent to -msoft-float  */

/* We use /lib/libp/lib* when profiling.  */

/* NYI: if FP=M68881U library is -lc881u  */
/* NYI: if FP= library is -lc.  */
/* Default for us: FP=M68881 library is -lc881  */
#undef LIB_SPEC
#define LIB_SPEC "%{!shlib:%{!msoft-float:-lc881}%{msoft-float:-lc}}"
#ifdef CROSS_COMPILE
#ifndef USE_GLD
#define DEFAULT_A_OUT_NAME "m68ka.out"
#endif
#endif

#ifdef USE_GLD
#undef LINK_SPEC
#define LINK_SPEC "%{v:-v}"
#endif /* defined (USE_GLD) */

#define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__}\
%{!mc68000:%{!m68000: -D__mc68020__}}"

/* Shared libraries need to use crt0s.o  */

#undef STARTFILE_SPEC
#ifdef CROSS_COMPILE
#define STARTFILE_SPEC \
  "%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\
   %{shlib:crt0s.o%s shlib.ifile%s} %{p:-L"TOOLDIR_BASE_PREFIX DEFAULT_TARGET_MACHINE"/lib/libp} %{pg:-L"TOOLDIR_BASE_PREFIX DEFAULT_TARGET_MACHINE"/lib/libp} "
#else /* CROSS_COMPILE */
#define STARTFILE_SPEC \
  "%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\
   %{shlib:crt0s.o%s shlib.ifile%s} %{p:-L/usr/lib/libp} %{pg:-L/usr/lib/libp} "
#endif /* CROSS_COMPILE */

/* Generate calls to memcpy, memcmp and memset.  */

#define TARGET_MEM_FUNCTIONS

/* size_t is unsigned int.  */

#define SIZE_TYPE "unsigned int"

/* Every structure or union's size must be a multiple of 2 bytes.  */

#define STRUCTURE_SIZE_BOUNDARY 16

/* Follow sysV68 cc regarding alignment imposed by char:0; */

#define PCC_BITFIELD_TYPE_MATTERS 1
  
/* Allocation boundary (in *bits*) for storing arguments in argument list.  */
/* Be compatible with native compiler.  */
#undef PARM_BOUNDARY
#define PARM_BOUNDARY 16

/* cpp has to support a #sccs directive for the /usr/include files */

#define SCCS_DIRECTIVE

/* Make output for SDB.  */

#define SDB_DEBUGGING_INFO

#undef REGISTER_PREFIX
#define REGISTER_PREFIX "%"

#undef LOCAL_LABEL_PREFIX
#ifdef USE_GAS
#define LOCAL_LABEL_PREFIX ".L"
#else
#define LOCAL_LABEL_PREFIX "L%"
#endif

#undef USER_LABEL_PREFIX

#undef IMMEDIATE_PREFIX
#define IMMEDIATE_PREFIX "&"

#undef REGISTER_NAMES
#define REGISTER_NAMES \
{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7",	\
 "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp",	\
 "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7"}

#undef FUNCTION_EXTRA_EPILOGUE
#define FUNCTION_EXTRA_EPILOGUE(FILE, SIZE)				\
  { extern int current_function_returns_pointer;			\
    if ((current_function_returns_pointer) &&				\
      ! find_equiv_reg (0, get_last_insn (), 0, 0, 0, 8, Pmode))        \
      asm_fprintf (FILE, "\tmov.l %Ra0,%Rd0\n"); } 

#undef FUNCTION_PROFILER
#ifndef USE_GAS
#define FUNCTION_PROFILER(FILE, LABEL_NO)	\
    asm_fprintf (FILE, "\tmov.l %ILP%%%d,%Ra0\n\tjsr mcount%%\n", (LABEL_NO))
#else /* USE_GAS */
#define FUNCTION_PROFILER(FILE, LABEL_NO)	\
    asm_fprintf (FILE, "\tmov.l %I%.LP%d,%Ra0\n\tjsr mcount%%\n", (LABEL_NO))
#endif /* USE_GAS */

/* This is how to output an insn to push a register on the stack.
   It need not be very fast code.  */

#undef ASM_OUTPUT_REG_PUSH
#define ASM_OUTPUT_REG_PUSH(FILE,REGNO)  \
  fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[REGNO])

/* This is how to output an insn to pop a register from the stack.
   It need not be very fast code.  */

#undef ASM_OUTPUT_REG_POP
#define ASM_OUTPUT_REG_POP(FILE,REGNO)  \
  fprintf (FILE, "\tmov.l (%%sp)+,%s\n", reg_names[REGNO])

#ifndef USE_GAS

#undef ASM_APP_ON
#define ASM_APP_ON ""

#undef ASM_APP_OFF
#define ASM_APP_OFF ""

#undef TEXT_SECTION_ASM_OP
#define TEXT_SECTION_ASM_OP "text"
#undef DATA_SECTION_ASM_OP
#define DATA_SECTION_ASM_OP "data"
#undef ASCII_DATA_ASM_OP
#define	ASCII_DATA_ASM_OP "byte"

#endif /* USE_GAS */

#ifdef USE_GLD
/* Support the ctors and dtors sections for g++.  */

#define CTORS_SECTION_ASM_OP	".section\t.ctors,\"x\""
#define DTORS_SECTION_ASM_OP	".section\t.dtors,\"x\""

/* A list of other sections which the compiler might be "in" at any
   given time.  */

#undef EXTRA_SECTIONS
#define EXTRA_SECTIONS in_ctors, in_dtors

/* A list of extra section function definitions.  */

#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS						\
  CTORS_SECTION_FUNCTION						\
  DTORS_SECTION_FUNCTION

#define CTORS_SECTION_FUNCTION						\
void									\
ctors_section ()							\
{									\
  if (in_section != in_ctors)						\
    {									\
      fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP);		\
      in_section = in_ctors;						\
    }									\
}

#define DTORS_SECTION_FUNCTION						\
void									\
dtors_section ()							\
{									\
  if (in_section != in_dtors)						\
    {									\
      fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP);		\
      in_section = in_dtors;						\
    }									\
}

/* A C statement (sans semicolon) to output an element in the table of
   global constructors.  */
#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)				\
  do {									\
    ctors_section ();							\
    fprintf (FILE, "\t%s\t ", ASM_LONG);				\
    assemble_name (FILE, NAME);						\
    fprintf (FILE, "\n");						\
  } while (0)

/* A C statement (sans semicolon) to output an element in the table of
   global destructors.  */
#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)       				\
  do {									\
    dtors_section ();                   				\
    fprintf (FILE, "\t%s\t ", ASM_LONG);				\
    assemble_name (FILE, NAME);              				\
    fprintf (FILE, "\n");						\
  } while (0)
#endif /* defined (USE_GLD) */

/* The file command should always begin the output.  */

#undef ASM_FILE_START
#ifndef USE_GAS
#define ASM_FILE_START(FILE) \
  output_file_directive ((FILE), main_input_filename)
#else /* USE_GAS */
#define ASM_FILE_START(FILE) \
    { \
       fprintf (FILE, "%s", ASM_APP_OFF); \
       output_file_directive ((FILE), main_input_filename); \
    }
#endif /* USE_GAS */

/* The sysV68 assembler does not accept dots in labels.
   Let's use percent instead  */

#define ASM_IDENTIFY_GCC(FILE)        fputs("gcc2_compiled%:\n", FILE)

/* Names to predefine in the preprocessor for this target machine.  */
/* ihnp4!lmayk!lgm@eddie.mit.edu says mc68000 and m68k should not be here,
   on the other hand I don't care what he says.  */

#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-Dm68k -Dunix -DsysV68 -D__motorola__ -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"

#undef TARGET_VERSION
#ifndef USE_GAS
#define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T sysV68 syntax)");
#endif /* USE_GAS */

/* This will return small structs in d0.  */
#define RETURN_IN_MEMORY(type) \
  ((TYPE_MODE (type) == BLKmode) \
   || (AGGREGATE_TYPE_P (type) \
       && GET_MODE_SIZE (TYPE_MODE (type)) > UNITS_PER_WORD))

/* Don't default to pcc-struct-return, because we have already specified
   exactly how to return structures in the RETURN_IN_MEMORY macro.  */
#define DEFAULT_PCC_STRUCT_RETURN 0

/* If TARGET_68881, return SF and DF values in fp0 instead of d0.  */
/* NYI: If FP=M68881U return SF and DF values in d0. */
/* NYI: If -mold return pointer in a0 and d0 */

#undef FUNCTION_VALUE
/* sysV68 (brain damaged) cc convention support. */
#define FUNCTION_VALUE(VALTYPE,FUNC) \
  (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881 	\
   ? gen_rtx (REG, TYPE_MODE (VALTYPE), 16)		\
   : (POINTER_TYPE_P (VALTYPE)				\
      ? gen_rtx (REG, TYPE_MODE (VALTYPE), 8)		\
      : gen_rtx (REG, TYPE_MODE (VALTYPE), 0)))

/* If TARGET_68881, SF and DF values are returned in fp0 instead of d0.  */

/* Is LIBCALL_VALUE never called with a pointer ? */
#undef LIBCALL_VALUE
#define LIBCALL_VALUE(MODE)						   \
 gen_rtx (REG, (MODE),							   \
	  ((TARGET_68881						   \
	    && ((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode)) \
	   ? 16 : 0))

/* 1 if N is a possible register number for a function value.
   d0 may be used, and fp0 as well if -msoft-float is not specified.  */

#undef FUNCTION_VALUE_REGNO_P
/* sysV68 (brain damaged) cc convention support. */
#define FUNCTION_VALUE_REGNO_P(N) \
 ((N) == 0 || (N) == 8 || (TARGET_68881 && (N) == 16))

/* Define this to be true when FUNCTION_VALUE_REGNO_P is true for
   more than one register.  */

#undef NEEDS_UNTYPED_CALL
#define NEEDS_UNTYPED_CALL 1
 
#ifndef USE_GAS
/* This is the command to make the user-level label named NAME
   defined for reference from other files.  */

#undef GLOBAL_ASM_OP
#define GLOBAL_ASM_OP "global"
#endif /* USE_GAS */

/* Store in OUTPUT a string (made with alloca) containing
   an assembler-name for a local static variable named NAME.
   LABELNO is an integer which is different for each call.  */

#undef ASM_FORMAT_PRIVATE_NAME
#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO)	\
( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 12),	\
  sprintf ((OUTPUT), "%s_%%%d", (NAME), (LABELNO)))

#ifdef USE_GAS
#undef ASM_LONG
#define ASM_LONG	".long"
#undef ASM_SHORT
#define ASM_SHORT	".short"
#undef ASM_CHAR
#define ASM_CHAR	".byte"
#undef ASM_BYTE
#define ASM_BYTE	".byte"
#undef ASM_BYTE_OP
#define ASM_BYTE_OP	"\t.byte"
#else
#undef ASM_LONG
#define ASM_LONG	"long"
#undef ASM_SHORT
#define ASM_SHORT	"short"
#undef ASM_CHAR
#define ASM_CHAR	"byte"
#undef ASM_BYTE
#define ASM_BYTE	"byte"
#undef ASM_BYTE_OP
#define ASM_BYTE_OP	"\tbyte"
#endif /* USE_GAS */

/* The sysV68 as doesn't know about double's and float's.  */
/* This is how to output an assembler line defining a `double' constant.  */

#undef ASM_OUTPUT_DOUBLE
#define ASM_OUTPUT_DOUBLE(FILE,VALUE)  \
do { long l[2];						\
     REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l);		\
     fprintf (FILE, "\t%s 0x%x,0x%x\n", ASM_LONG, l[0], l[1]); \
   } while (0)

#undef ASM_OUTPUT_LONG_DOUBLE
#define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE)  				\
do { long l[3];								\
     REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l);			\
     fprintf (FILE, "\t%s 0x%x,0x%x,0x%x\n", ASM_LONG, l[0], l[1], l[2]);	\
   } while (0)

/* This is how to output an assembler line defining a `float' constant.  */

#undef ASM_OUTPUT_FLOAT
#define ASM_OUTPUT_FLOAT(FILE,VALUE)  \
do { long l;					\
     REAL_VALUE_TO_TARGET_SINGLE (VALUE, l);	\
     fprintf ((FILE), "\t%s 0x%x\n", ASM_LONG, l);	\
   } while (0)

/* This is how to output an assembler line defining an `int' constant.  */

#undef ASM_OUTPUT_INT
#define ASM_OUTPUT_INT(FILE,VALUE)  \
( fprintf (FILE, "\t%s ", ASM_LONG),		\
  output_addr_const (FILE, (VALUE)),		\
  fprintf (FILE, "\n"))

/* Likewise for `char' and `short' constants.  */

#undef ASM_OUTPUT_SHORT
#define ASM_OUTPUT_SHORT(FILE,VALUE)  \
( fprintf (FILE, "\t%s ", ASM_SHORT),		\
  output_addr_const (FILE, (VALUE)),		\
  fprintf (FILE, "\n"))

#undef ASM_OUTPUT_CHAR
#define ASM_OUTPUT_CHAR(FILE,VALUE)  \
( fprintf (FILE, "\t%s ", ASM_CHAR),		\
  output_addr_const (FILE, (VALUE)),		\
  fprintf (FILE, "\n"))

/* This is how to output an assembler line for a numeric constant byte.  */

#undef ASM_OUTPUT_BYTE
#define ASM_OUTPUT_BYTE(FILE,VALUE)  \
  fprintf (FILE, "\t%s 0x%x\n", ASM_BYTE, (VALUE))

/* This is how to output an assembler line
   that says to advance the location counter
   to a multiple of 2**LOG bytes.  */

#ifndef USE_GAS
#define ALIGN_ASM_OP	"even"
#else /* USE_GAS */
#define ALIGN_ASM_OP	".even"
#endif /* USE_GAS */

#undef ASM_OUTPUT_ALIGN
#define ASM_OUTPUT_ALIGN(FILE,LOG)	\
  if ((LOG) == 1)			\
    fprintf (FILE, "\t%s\n", ALIGN_ASM_OP);	\
  else if ((LOG) != 0)			\
    abort ();

#ifndef USE_GAS
#define SKIP_ASM_OP	"space"
#else /* USE_GAS */
#define SKIP_ASM_OP	".skip"
#endif /* USE_GAS */

#undef ASM_OUTPUT_SKIP
#define ASM_OUTPUT_SKIP(FILE,SIZE)  \
  fprintf (FILE, "\t%s %u\n", SKIP_ASM_OP, (SIZE))

/* Can't use ASM_OUTPUT_SKIP in text section.  */

#define ASM_NO_SKIP_IN_TEXT 1

/* The beginnings of sdb support...  */

/* Undefining these will allow `output_file_directive' (in toplev.c)
   to default to the right thing. */
#undef ASM_OUTPUT_MAIN_SOURCE_FILENAME
#ifndef USE_GAS
#define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
  do {	fprintf (FILE, "\tfile\t");		\
	output_quoted_string (FILE, FILENAME);	\
	fprintf (FILE, "\n");			\
  } while (0)

#undef ASM_OUTPUT_SOURCE_LINE
#define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO)	\
  fprintf (FILE, "\tln\t%d\n",			\
	   (sdb_begin_function_line		\
	    ? last_linenum - sdb_begin_function_line : 1))

/* Yet another null terminated string format.  */

#undef ASM_OUTPUT_ASCII
#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
  do { register int sp = 0, lp = 0;				\
    fprintf ((FILE), "%s\t", ASM_BYTE_OP);			\
  loop:								\
    if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\')	\
      { lp += 3;						\
	fprintf ((FILE), "'%c", (PTR)[sp]); }			\
    else							\
      { lp += 5;						\
	fprintf ((FILE), "0x%x", (PTR)[sp]); }			\
    if (++sp < (LEN))						\
      {	if (lp > 60)						\
	  { lp = 0;						\
	    fprintf ((FILE), "\n\t%s ", ASCII_DATA_ASM_OP); }	\
	else							\
	  putc (',', (FILE));					\
	goto loop; }						\
    putc ('\n', (FILE)); } while (0)
#endif /* USE_GAS */

#ifndef USE_GAS
/* Output a float value (represented as a C double) as an immediate operand.
   This macro is a 68k-specific macro.  */

#undef ASM_OUTPUT_FLOAT_OPERAND
#define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE)			\
 do { long l;								\
      REAL_VALUE_TO_TARGET_SINGLE (r, l);				\
      /* Use hex representation even if CODE is f.  as needs it.  */	\
      fprintf ((FILE), "&0x%lx", l);					\
    } while (0)

/* Output a double value (represented as a C double) as an immediate operand.
   This macro is a 68k-specific macro.  */
#undef ASM_OUTPUT_DOUBLE_OPERAND
#define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE)				\
 do { long l[2];							\
      REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l);				\
      fprintf ((FILE), "&0x%lx%08lx", l[0], l[1]);			\
    } while (0)
#endif /* USE_GAS */

/* This is how to store into the string LABEL
   the symbol_ref name of an internal numbered label where
   PREFIX is the class of label and NUM is the number within the class.
   This is suitable for output with `assemble_name'.  */

#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM)	\
  sprintf ((LABEL), "%s%s%d", LOCAL_LABEL_PREFIX, (PREFIX), (NUM))

/* This is how to output an internal numbered label where
   PREFIX is the class of label and NUM is the number within the class.  */

#undef ASM_OUTPUT_INTERNAL_LABEL
#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM)	\
    asm_fprintf (FILE, "%L%s%d:\n", PREFIX, NUM)

/* The prefix to add to user-visible assembler symbols. */

#undef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX ""

/* This is how to output an element of a case-vector that is absolute.
   (The 68000 does not use such vectors,
   but we must define this macro anyway.)  */
/* The L after the local prefix is the "L" prefix for the normal labels
   generated by gcc; why are ASM_OUTPUT_ADDR_VEC_ELT and
   ASM_OUTPUT_ADDR_DIFF_ELT not called with a PREFIX parameter, like
   ASM_OUTPUT_INTERNAL_LABEL ? */

#undef ASM_OUTPUT_ADDR_VEC_ELT
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE)	\
    asm_fprintf (FILE, "\t%s %LL%d\n", ASM_LONG, (VALUE))

/* This is how to output an element of a case-vector that is relative.  */

#undef ASM_OUTPUT_ADDR_DIFF_ELT
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL)	\
    asm_fprintf (FILE, "\t%s %LL%d-%LL%d\n", ASM_SHORT, (VALUE), (REL))

#ifndef USE_GAS

#define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE)			\
    asm_fprintf (FILE, "\tswbeg &%d\n%L%s%d:\n",			\
	     XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM))

/* sysV68 as cannot handle LD%n(%pc,%reg) */ 
#define SGS_NO_LI

/* labelno is not used here */
#define ASM_OUTPUT_CASE_FETCH(file, labelno, regname)\
	asm_fprintf (file, "12(%Rpc,%s.", regname)

#define ASM_RETURN_CASE_JUMP \
  do {						\
    if (TARGET_5200)				\
      return "ext%.l %0\n\tjmp 8(%%pc,%0.l)";	\
    else					\
      return "jmp 8(%%pc,%0.w)";		\
  } while (0)
	     
#else /* USE_GAS */

/* labelno is not used here */
#define ASM_OUTPUT_CASE_FETCH(file, labelno, regname)\
	asm_fprintf (file, "%Rpc@(6,%s:", regname)

#define ASM_RETURN_CASE_JUMP return "jmp %%pc@(2,%0:w)"

#endif /* USE_GAS */

#ifndef USE_GAS

/* Translate some opcodes to fit the sysV68 assembler syntax.  */
/* The opcodes fdmov and fsmov are guesses.  */

/* cliffm@netcom.com says no need for .w suffix on jumps.  */
#undef ASM_OUTPUT_OPCODE
#define ASM_OUTPUT_OPCODE(FILE, PTR)			\
{ if ((PTR)[0] == 'j' && (PTR)[1] == 'b')		\
    { ++(PTR);						\
      while (*(PTR) != ' ')				\
	{ putc (*(PTR), (FILE)); ++(PTR); }		\
    }							\
  else if ((PTR)[0] == 's')				\
    {							\
      if (!strncmp ((PTR), "swap", 4))			\
	{ fprintf ((FILE), "swap.w"); (PTR) += 4; }	\
    }							\
  else if ((PTR)[0] == 'f')				\
    {							\
      if (!strncmp ((PTR), "fmove", 5))			\
	{ fprintf ((FILE), "fmov"); (PTR) += 5; }	\
      else if (!strncmp ((PTR), "f%$move", 7))		\
	{ if (TARGET_68040_ONLY)			\
	    { fprintf ((FILE), "fsmov"); (PTR) += 7; }	\
	  else						\
	    { fprintf ((FILE), "fmov"); (PTR) += 7; } }	\
      else if (!strncmp ((PTR), "f%&move", 7))		\
	{ if (TARGET_68040_ONLY)			\
	    { fprintf ((FILE), "fdmov"); (PTR) += 7; }	\
	  else						\
	    { fprintf ((FILE), "fmov"); (PTR) += 7; } }	\
      else if (!strncmp ((PTR), "ftst", 4))		\
	{ fprintf ((FILE), "ftest"); (PTR) += 4; }	\
      else if (!strncmp ((PTR), "fbne", 4))		\
	{ fprintf ((FILE), "fbneq"); (PTR) += 4; }	\
      else if (!strncmp ((PTR), "fsne", 4))		\
	{ fprintf ((FILE), "fsneq"); (PTR) += 4; }	\
    }							\
/* MOVE, MOVEA, MOVEQ, MOVEC ==> MOV	*/		\
  else if ((PTR)[0] == 'm' && (PTR)[1] == 'o'		\
	   && (PTR)[2] == 'v' && (PTR)[3] == 'e')	\
    { fprintf ((FILE), "mov"); (PTR) += 4;		\
       if ((PTR)[0] == 'q' || (PTR)[0] == 'a'		\
	   || (PTR)[0] == 'c') (PTR)++; }		\
/* SUB, SUBQ, SUBA, SUBI ==> SUB */			\
  else if ((PTR)[0] == 's' && (PTR)[1] == 'u' 		\
	   && (PTR)[2] == 'b')				\
    { fprintf ((FILE), "sub"); (PTR) += 3;		\
       if ((PTR)[0] == 'q' || (PTR)[0] == 'i'	 	\
	   || (PTR)[0] == 'a') (PTR)++; }		\
/* CMP, CMPA, CMPI, CMPM ==> CMP	*/		\
  else if ((PTR)[0] == 'c' && (PTR)[1] == 'm'		\
	   && (PTR)[2] == 'p')				\
    { fprintf ((FILE), "cmp"); (PTR) += 3;		\
       if ((PTR)[0] == 'a' || (PTR)[0] == 'i'	 	\
	   || (PTR)[0] == 'm') (PTR)++; }		\
}
#endif /* USE_GAS */

/* phdm@info.ucl.ac.be says to pass SIZE, not ROUNDED.  */

/* This says how to output an assembler line
   to define a global common symbol.  */

#undef ASM_OUTPUT_COMMON
#ifndef USE_GAS
#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)  \
( fputs ("\tcomm ", (FILE)),			\
  assemble_name ((FILE), (NAME)),		\
  fprintf ((FILE), ",%u\n", (SIZE)))
#else /* USE_GAS */
#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)  \
( fputs ("\t.comm ", (FILE)),			\
  assemble_name ((FILE), (NAME)),		\
  fprintf ((FILE), ",%u\n", (SIZE)))
#endif /* USE_GAS */

/* This says how to output an assembler line
   to define a local common symbol.  */

#undef ASM_OUTPUT_LOCAL
#ifndef USE_GAS
#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)  \
( fputs ("\tlcomm ", (FILE)),			\
  assemble_name ((FILE), (NAME)),		\
  fprintf ((FILE), ",%u\n", (SIZE)))
#else /* USE_GAS */
#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)  \
( fputs ("\t.lcomm ", (FILE)),			\
  assemble_name ((FILE), (NAME)),		\
  fprintf ((FILE), ",%u\n", (SIZE)))
#endif /* USE_GAS */

#ifndef USE_GAS
/* Override usual definitions of SDB output macros.
   These definitions differ only in the absence of the period
   at the beginning of the name of the directive
   and in the use of `~' as the symbol for the current location.  */

#define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a))
#define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a))
#define PUT_SDB_VAL(a)				\
( fputs ("\tval\t", asm_out_file),		\
  output_addr_const (asm_out_file, (a)),	\
  fputc (';', asm_out_file))

#define PUT_SDB_DEF(a)				\
do { fprintf (asm_out_file, "\tdef\t");	\
     ASM_OUTPUT_LABELREF (asm_out_file, a); 	\
     fprintf (asm_out_file, ";"); } while (0)

#define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a)
#define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file)
#define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a)
#define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a)
#define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t")
#define PUT_SDB_NEXT_DIM(a) fprintf(asm_out_file, "%d,", a)
#define PUT_SDB_LAST_DIM(a) fprintf(asm_out_file, "%d;", a)

#define PUT_SDB_TAG(a)				\
do { fprintf (asm_out_file, "\ttag\t");	\
     ASM_OUTPUT_LABELREF (asm_out_file, a);	\
     fprintf (asm_out_file, ";"); } while (0)

#define PUT_SDB_BLOCK_START(LINE)		\
  fprintf (asm_out_file,			\
	   "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n",	\
	   (LINE))

#define PUT_SDB_BLOCK_END(LINE)			\
  fprintf (asm_out_file,			\
	   "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n",	\
	   (LINE))

#define PUT_SDB_FUNCTION_START(LINE)		\
  fprintf (asm_out_file,			\
	   "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n",	\
	   (LINE))

#define PUT_SDB_FUNCTION_END(LINE)		\
  fprintf (asm_out_file,			\
	   "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n",	\
	   (LINE))

#define PUT_SDB_EPILOGUE_END(NAME)		\
  fprintf (asm_out_file,			\
	   "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n",	\
	   (NAME))

#define SDB_GENERATE_FAKE(BUFFER, NUMBER) \
  sprintf ((BUFFER), "~%dfake", (NUMBER));

#endif /* USE_GAS */

/* Define subroutines to call to handle multiply, divide, and remainder.
   Use the subroutines that the sysV68's library provides.
   The `*' prevents an underscore from being prepended by the compiler.  */
/* The '*' is also used by INIT_CUMULATIVE_ARGS */

#define DIVSI3_LIBCALL "*ldiv%%"
#define UDIVSI3_LIBCALL "*uldiv%%"
#define MODSI3_LIBCALL "*lrem%%"
#define UMODSI3_LIBCALL "*ulrem%%"
#define MULSI3_LIBCALL "*lmul%%"

struct sysV68_cumulative_args
	{
	int	offset;
	int	libcall;
	};

#undef CUMULATIVE_ARGS
#define CUMULATIVE_ARGS struct sysV68_cumulative_args

#undef INIT_CUMULATIVE_ARGS
#define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME,INDIRECT)	\
do {(CUM).offset = 0;\
(CUM).libcall = (LIBNAME) && (*XSTR((LIBNAME), 0) == '*');} while(0)

#undef FUNCTION_ARG_ADVANCE
#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED)	\
 ((CUM).offset += ((MODE) != BLKmode			\
	    ? (GET_MODE_SIZE (MODE) + 3) & ~3	\
	    : (int_size_in_bytes (TYPE) + 3) & ~3))

#undef FUNCTION_ARG
#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
(((CUM).libcall && (CUM).offset == 0) ? gen_rtx(REG, (MODE), 0)\
: (TARGET_REGPARM && (CUM).offset < 8) ? gen_rtx (REG, (MODE), (CUM).offset / 4) : 0)

#undef FUNCTION_ARG_PARTIAL_NREGS
#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \
((TARGET_REGPARM && (CUM).offset < 8				\
  && 8 < ((CUM).offset + ((MODE) == BLKmode			\
		      ? int_size_in_bytes (TYPE)		\
		      : GET_MODE_SIZE (MODE))))  		\
 ? 2 - (CUM).offset / 4 : 0)

#undef FUNCTION_ARG_REGNO_P
#define FUNCTION_ARG_REGNO_P(N) (TARGET_68020 ? 0 : (N) == 0)

/* manfred@lts.sel.alcatel.de: I believe that most delta machines are configured to have
   a 6888[12] FPU for which we need to link -lm881 instead of -lm; define ALT_LIBM to
   tell g++.c about that.  */
#define ALT_LIBM	"-lm881"

#if (TARGET_DEFAULT & MASK_68881)      /* The default configuration has a 6888[12] FPU. */
#define MATH_LIBRARY	"-lm881"
#endif

/* Currently we do not have the atexit() function;
 *  so take that from libgcc2.c
 */

#define NEED_ATEXIT 1
#define HAVE_ATEXIT 1

#define EXIT_BODY	\
  do								\
    { extern void monitor ();					\
      extern long mcount asm ("mcount%");			\
      extern long etext;					\
								\
      if (&mcount < &etext)					\
	monitor (0);						\
      _cleanup ();						\
    } while (0)