/* Definitions of target machine for GNU compiler.  HP-UX 68000/68020 version.
   Copyright (C) 1987, 1988, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2002, 2003
   Free Software Foundation, Inc.

This file is part of GCC.

GCC 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.

GCC 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 GCC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* gcc.c should find libgcc.a itself rather than expecting linker to.  */
#define LINK_LIBGCC_SPECIAL
/* The arguments of -L must be a separate argv element.  */
#define SPACE_AFTER_L_OPTION
/* HP/UX doesn't have libg.a.  */
#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"

/* Be compatible with system stddef.h.  */
#define SIZE_TYPE "unsigned int"

#undef INT_OP_GROUP
#define INT_OP_GROUP INT_OP_NO_DOT

/* See m68k.h.  7 means 68020 with 68881.  */

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

/* Define __HAVE_68881__ in preprocessor, unless -msoft-float is specified.
   This will control the use of inline 68881 insns in certain macros.  */

#ifdef HPUX_ASM

#define ASM_SPEC "%{m68000:+X}%{mc68000:+X}"

#define NO_DOT_IN_LABEL

#if TARGET_DEFAULT & MASK_68881  /* -m68881 is the default */

/* These definitions differ from those used for GAS by defining __HPUX_ASM__.
   This is needed because some programs, particularly GDB, need to
   know which assembler is being used so that the correct `asm'
   instructions can be used.  */

#define CPP_SPEC \
"%{!msoft-float:-D__HAVE_68881__ }\
%{!ansi:%{!mc68000:%{!m68000:-Dmc68020}} -D_HPUX_SOURCE} -D__HPUX_ASM__"

#else /* default is -msoft-float */

#define CPP_SPEC \
"%{m68881:-D__HAVE_68881__ }\
%{!ansi:%{!mc68000:%{!m68000:-Dmc68020}} -D_HPUX_SOURCE} -D__HPUX_ASM__"

#endif /* default is -msoft-float */

#else /* not HPUX_ASM */

#if TARGET_DEFAULT & MASK_68881  /* -m68881 is the default */

#define CPP_SPEC \
"%{!msoft-float:-D__HAVE_68881__ }\
%{!ansi:%{!mc68000:%{!m68000:-Dmc68020}} -D_HPUX_SOURCE}"

#else /* default is -msoft-float */

#define CPP_SPEC \
"%{m68881:-D__HAVE_68881__ }\
%{!ansi:%{!mc68000:%{!m68000:-Dmc68020}} -D_HPUX_SOURCE}"

#endif /* default is -msoft-float */

/* -m68000 requires special flags to the assembler.  */
#define ASM_SPEC \
 "%{m68000:-mc68000}%{mc68000:-mc68000}%{!mc68000:%{!m68000:-mc68020}}"

/* Tell GCC to put a space after -L when generating such options.  */
#define SPACE_AFTER_L_OPTION

#endif /* Not HPUX_ASM */

/* Translate -static for HPUX linker.  */
#define LINK_SPEC "%{static:-a archive}"


/* Target OS builtins.  These are the ones defined by HPUX cc.  */
#define TARGET_OS_CPP_BUILTINS()		\
  do						\
    {						\
	builtin_define_std ("hp9000s200");	\
	builtin_define_std ("hp9000s300");	\
	builtin_define_std ("hpux");		\
	builtin_define_std ("unix");		\
	builtin_define_std ("PWB");		\
	builtin_define ("__motorola__");	\
	builtin_assert ("system=unix");		\
	builtin_assert ("system=hpux");		\
    }						\
  while (0)

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

#define STRUCTURE_SIZE_BOUNDARY 16

/* hpux doesn't use static area for struct returns.  */
#undef PCC_STATIC_STRUCT_RETURN

/* Generate calls to memcpy, memcmp and memset.  */
#define TARGET_MEM_FUNCTIONS

#if 0  /* No longer correct in HPUX version 6.5.  */
/* Function calls don't save any fp registers on hpux.  */
#undef CALL_USED_REGISTERS
#define CALL_USED_REGISTERS						\
 {1, 1, 0, 0, 0, 0, 0, 0,						\
  1, 1, 0, 0, 0, 0, 0, 1,						\
  1, 1, 1, 1, 1, 1, 1, 1}
#endif /* 0 */

#ifdef HPUX_ASM

/* Override parts of m68k.h to fit the HPUX assembler.  */

#undef TARGET_VERSION
#undef REGISTER_NAMES
#undef ASM_OUTPUT_REG_PUSH
#undef ASM_OUTPUT_REG_POP
#undef ASM_APP_ON
#undef ASM_APP_OFF
#undef TEXT_SECTION_ASM_OP
#undef DATA_SECTION_ASM_OP
#undef READONLY_DATA_SECTION_ASM_OP
#undef ASM_OUTPUT_ADDR_VEC_ELT
#undef ASM_OUTPUT_ADDR_DIFF_ELT
#undef ASM_OUTPUT_ALIGN
#undef ASM_OUTPUT_SKIP
#undef ASM_OUTPUT_COMMON
#undef ASM_OUTPUT_LOCAL
#undef FUNCTION_PROFILER
#undef GLOBAL_ASM_OP
#undef IMMEDIATE_PREFIX
#undef REGISTER_PREFIX

#define TARGET_VERSION fprintf (stderr, " (68k, SGS/hpux syntax)");

#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", "argptr"}

#define IMMEDIATE_PREFIX        "&"
#define REGISTER_PREFIX         "%"

#define FUNCTION_PROFILER(FILE, LABEL_NO) \
   fprintf (FILE, "\tmov.l &LP%d,%%a0\n\tjsr mcount\n", (LABEL_NO));

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

#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.  */

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

/* For HPUX versions before 6.5, define this macro as empty.  */
#define TARGET_ASM_FILE_START m68k_hp320_file_start

#define ASM_APP_ON ""

#define ASM_APP_OFF ""

#ifdef AS_BUG_TRAILING_LABEL
#define TEXT_SECTION_ASM_OP "\tlalign\t1\ntext"
#define DATA_SECTION_ASM_OP "\tlalign\t1\ndata"
#else
#define TEXT_SECTION_ASM_OP "text"
#define DATA_SECTION_ASM_OP "data"
#endif
#define	ASCII_DATA_ASM_OP "\tbyte\t"
 
/* This is the command to make the user-level label named NAME
   defined for reference from other files.  */

#define GLOBAL_ASM_OP "\tglobal\t"

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

#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)  \
( fputs ("\tcomm ", (FILE)),			\
  assemble_name ((FILE), (NAME)),		\
  fprintf ((FILE), ",%u\n", (int)(ROUNDED)))

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

#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)  \
( fputs ("\tlcomm ", (FILE)),			\
  assemble_name ((FILE), (NAME)),		\
  fprintf ((FILE), ",%u,2\n", (int)(ROUNDED)))

#define ASM_PN_FORMAT "%s___%lu"

#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE)  \
  fprintf (FILE, "\tlong L%d\n", VALUE)

#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL)  \
  fprintf (FILE, "\tshort L%d-L%d\n", VALUE, REL)

#define ASM_OUTPUT_ALIGN(FILE,LOG)	\
do {					\
  if ((LOG) == 1)			\
    fprintf (FILE, "\tlalign 2\n");	\
  else if ((LOG) != 0)			\
    abort ();				\
} while (0)

#define ASM_OUTPUT_SKIP(FILE,SIZE)  \
  fprintf (FILE, "\tspace %u\n", (int)(SIZE))

#define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME)
#define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO, COUNTER)

/* 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
#ifdef AS_BUG_FLOATING_CONSTANT
#define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE)		\
 do { long l;							\
      REAL_VALUE_TO_TARGET_SINGLE (VALUE, l);			\
      fprintf ((FILE), "&0x%lx", l);				\
     } while (0)
#else
#define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE)		\
 do {								\
      if (CODE == 'f')						\
        {							\
          char dstr[30];					\
      	  real_to_decimal (dstr, &(VALUE), sizeof (dstr), 9, 0); \
          fprintf ((FILE), "&0f%s", dstr);			\
        }							\
      else							\
        {							\
          long l;						\
          REAL_VALUE_TO_TARGET_SINGLE (VALUE, l);		\
          fprintf ((FILE), "&0x%lx", l);			\
        }							\
     } while (0)
#endif /* AS_BUG_FLOATING_CONSTANT */

/* 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 { char dstr[30];							\
      real_to_decimal (dstr, &(VALUE), sizeof (dstr), 0, 1);		\
      fprintf (FILE, "&0f%s", dstr);					\
    } while (0)

/* Note, long double immediate operands are not actually
   generated by m68k.md.  */
#undef ASM_OUTPUT_LONG_DOUBLE_OPERAND
#define ASM_OUTPUT_LONG_DOUBLE_OPERAND(FILE,VALUE)			\
 do { char dstr[30];							\
      real_to_decimal (dstr, &(VALUE), sizeof (dstr), 0, 1);		\
      fprintf (FILE, "&0f%s", dstr);					\
    } while (0)

#if 0
#undef PRINT_OPERAND
#define PRINT_OPERAND(FILE, X, CODE)  \
{ if (CODE == '.') fprintf (FILE, ".");					\
  else if (CODE == '#') fprintf (FILE, "&");				\
  else if (CODE == '-') fprintf (FILE, "-(%%sp)");			\
  else if (CODE == '+') fprintf (FILE, "(%%sp)+");			\
  else if (CODE == '@') fprintf (FILE, "(%%sp)");			\
  else if (CODE == '!') fprintf (FILE, "%%fpcr");			\
  else if (CODE == '$') { if (TARGET_68040_ONLY) fprintf (FILE, "s"); } \
  else if (CODE == '&') { if (TARGET_68040_ONLY) fprintf (FILE, "d"); } \
  else if (CODE == '/')							\
    fprintf (FILE, "%%");						\
  else if (GET_CODE (X) == REG)						\
    fprintf (FILE, "%s", reg_names[REGNO (X)]);				\
  else if (GET_CODE (X) == MEM)						\
    output_address (XEXP (X, 0));					\
  else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode)	\
    { REAL_VALUE_TYPE r;  long l;					\
      REAL_VALUE_FROM_CONST_DOUBLE (r, X);				\
      PRINT_OPERAND_FLOAT (CODE, FILE, r, l); }				\
  else if (GET_CODE (X) == CONST_DOUBLE					\
	   && (GET_MODE (X) == DFmode || GET_MODE (X) == XFmode))	\
    { char dstr[30];							\
      real_to_decimal (dstr, CONST_DOUBLE_REAL_VALUE (X),		\
		       sizeof (dstr), 0, 1);				\
      fprintf (FILE, "&0f%s", dstr); }					\
  else { putc ('&', FILE); output_addr_const (FILE, X); }}
#endif

#undef PRINT_OPERAND_ADDRESS
#define PRINT_OPERAND_ADDRESS(FILE, ADDR)  \
{ register rtx reg1, reg2, breg, ireg;					\
  register rtx addr = ADDR;						\
  rtx offset;								\
  switch (GET_CODE (addr))						\
    {									\
    case REG:								\
      fprintf (FILE, "(%s)", reg_names[REGNO (addr)]);			\
      break;								\
    case PRE_DEC:							\
      fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]);	\
      break;								\
    case POST_INC:							\
      fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]);	\
      break;								\
    case PLUS:								\
      reg1 = 0;	reg2 = 0;						\
      ireg = 0;	breg = 0;						\
      offset = 0;							\
      if (CONSTANT_ADDRESS_P (XEXP (addr, 0)))				\
	{								\
	  offset = XEXP (addr, 0);					\
	  addr = XEXP (addr, 1);					\
	}								\
      else if (CONSTANT_ADDRESS_P (XEXP (addr, 1)))			\
	{								\
	  offset = XEXP (addr, 1);					\
	  addr = XEXP (addr, 0);					\
	}								\
      if (GET_CODE (addr) != PLUS) ;					\
      else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND)		\
	{								\
	  reg1 = XEXP (addr, 0);					\
	  addr = XEXP (addr, 1);					\
	}								\
      else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND)		\
	{								\
	  reg1 = XEXP (addr, 1);					\
	  addr = XEXP (addr, 0);					\
	}								\
      else if (GET_CODE (XEXP (addr, 0)) == MULT)			\
	{								\
	  reg1 = XEXP (addr, 0);					\
	  addr = XEXP (addr, 1);					\
	}								\
      else if (GET_CODE (XEXP (addr, 1)) == MULT)			\
	{								\
	  reg1 = XEXP (addr, 1);					\
	  addr = XEXP (addr, 0);					\
	}								\
      else if (GET_CODE (XEXP (addr, 0)) == REG)			\
	{								\
	  reg1 = XEXP (addr, 0);					\
	  addr = XEXP (addr, 1);					\
	}								\
      else if (GET_CODE (XEXP (addr, 1)) == REG)			\
	{								\
	  reg1 = XEXP (addr, 1);					\
	  addr = XEXP (addr, 0);					\
	}								\
      if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT		\
	  || GET_CODE (addr) == SIGN_EXTEND)				\
	{ if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; }	\
/*  for OLD_INDEXING							\
      else if (GET_CODE (addr) == PLUS)					\
	{								\
	  if (GET_CODE (XEXP (addr, 0)) == REG)				\
	    {								\
	      reg2 = XEXP (addr, 0);					\
	      addr = XEXP (addr, 1);					\
	    }								\
	  else if (GET_CODE (XEXP (addr, 1)) == REG)			\
	    {								\
	      reg2 = XEXP (addr, 1);					\
	      addr = XEXP (addr, 0);					\
	    }								\
	}								\
  */									\
      if (offset != 0) { if (addr != 0) abort (); addr = offset; }	\
      if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND			\
		    || GET_CODE (reg1) == MULT))			\
	  || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2))))		\
	{ breg = reg2; ireg = reg1; }					\
      else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1)))		\
	{ breg = reg1; ireg = reg2; }					\
      if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF)	\
        { int scale = 1;						\
	  if (GET_CODE (ireg) == MULT)					\
	    { scale = INTVAL (XEXP (ireg, 1));				\
	      ireg = XEXP (ireg, 0); }					\
	  if (GET_CODE (ireg) == SIGN_EXTEND)				\
	    fprintf (FILE, "L%d-LI%d(%%pc,%s.w",			\
		     CODE_LABEL_NUMBER (XEXP (addr, 0)),		\
		     CODE_LABEL_NUMBER (XEXP (addr, 0)),		\
		     reg_names[REGNO (XEXP (ireg, 0))]); 		\
	  else								\
	    fprintf (FILE, "L%d-LI%d(%%pc,%s.l",			\
		     CODE_LABEL_NUMBER (XEXP (addr, 0)),		\
		     CODE_LABEL_NUMBER (XEXP (addr, 0)),		\
		     reg_names[REGNO (ireg)]);				\
	  if (scale != 1) fprintf (FILE, "*%d", scale);			\
	  putc (')', FILE);						\
	  break; }							\
      if (ireg != 0 || breg != 0)					\
	{ int scale = 1;						\
	  if (breg == 0)						\
	    abort ();							\
	  if (addr != 0)						\
	    output_addr_const (FILE, addr);				\
	  fprintf (FILE, "(%s", reg_names[REGNO (breg)]);		\
	  if (ireg != 0)						\
	    putc (',', FILE);						\
	  if (ireg != 0 && GET_CODE (ireg) == MULT)			\
	    { scale = INTVAL (XEXP (ireg, 1));				\
	      ireg = XEXP (ireg, 0); }					\
	  if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND)		\
	    fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]);	\
	  else if (ireg != 0)						\
	    fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]);		\
	  if (scale != 1) fprintf (FILE, "*%d", scale);			\
	  putc (')', FILE);						\
	  break;							\
	}								\
      else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF)		\
	{ fprintf (FILE, "L%d-LI%d(%%pc,%s.w)",				\
		   CODE_LABEL_NUMBER (XEXP (addr, 0)),			\
		   CODE_LABEL_NUMBER (XEXP (addr, 0)),			\
		   reg_names[REGNO (reg1)]);				\
	  break; }							\
    default:								\
      if (GET_CODE (addr) == CONST_INT					\
	  && INTVAL (addr) < 0x8000					\
	  && INTVAL (addr) >= -0x8000)					\
	fprintf (FILE, "%d.w", (int) INTVAL (addr));			\
      else								\
        output_addr_const (FILE, addr);					\
    }}

#define	ASM_OUTPUT_ASCII(f, p, SIZE)	\
do { size_t i, limit = (SIZE);		\
  int inside;				\
  inside = FALSE;			\
  for (i = 0; i < limit; i++) {	\
    if (i % 8 == 0) {			\
      if (i != 0) {			\
	if (inside)			\
	  putc('"', (f));		\
	putc('\n', (f));		\
	inside = FALSE;			\
      }					\
      fprintf((f), "%s", ASCII_DATA_ASM_OP);	\
    }					\
    if ((p)[i] < 32 || (p)[i] == '\\' || (p)[i] == '"' || (p)[i] == 127) {	\
      if (inside) {			\
	putc('"', (f));			\
	inside = FALSE;			\
      }					\
      if (i % 8 != 0)			\
	putc(',', (f));			\
      fprintf((f), "%d", (p)[i]);	\
    } else {				\
      if (!inside) {			\
	if (i % 8 != 0)			\
	  putc(',', (f));		\
	putc('"', (f));			\
	inside = TRUE;			\
      }					\
      putc((p)[i], (f));		\
    }					\
  }					\
  if (inside)				\
    putc('"', (f));			\
  putc('\n', (f));			\
} while (0)

/* Translate Motorola opcodes such as `jbeq'
   into SGS opcodes such as `beq.w'.
   Delete the `e' in `move...' and `fmove'.
   Change `ftst' to `ftest'.  */

#define ASM_OUTPUT_OPCODE(FILE, PTR)			\
{ if ((PTR)[0] == 'j' && (PTR)[1] == 'b')		\
    { ++(PTR);						\
      while (*(PTR) != ' ')				\
	{ putc (*(PTR), (FILE)); ++(PTR); }		\
      fprintf ((FILE), ".w"); }				\
  else if ((PTR)[0] == 'f')				\
    {							\
      if (!strncmp ((PTR), "fmove", 5))			\
	{ fprintf ((FILE), "fmov"); (PTR) += 5; }	\
      else if (!strncmp ((PTR), "ftst", 4))		\
	{ fprintf ((FILE), "ftest"); (PTR) += 4; }	\
    }							\
  else if ((PTR)[0] == 'm' && (PTR)[1] == 'o'		\
	   && (PTR)[2] == 'v' && (PTR)[3] == 'e')	\
    { fprintf ((FILE), "mov"); (PTR) += 4; }		\
}

#else /* not HPUX_ASM */

#undef FUNCTION_PROFILER

/* HP-UX needs the call to mcount before the link instruction.
   Copy the return address onto the stack before the call to fake it out.  */
#define FUNCTION_PROFILER(FILE, LABEL_NO) \
  fprintf (FILE, \
	   "\tmovel a6@(4),sp@-\n\tmovl #LP%d,a0\n\tjsr mcount\n\taddqw #4,sp\n", \
	   (LABEL_NO));

#endif /* not HPUX_ASM */

/* hpux8 and later have C++ compatible include files, so do not
   pretend they are `extern "C"'.  */
#define NO_IMPLICIT_EXTERN_C