V10/cmd/gcc/tm-encore.h

/* Definitions of target machine for GNU compiler.  ENCORE NS32000 version.
   Copyright (C) 1988 Free Software Foundation, Inc.
   Adapted by Robert Brown (brown@harvard.harvard.edu) from the Sequent
     version by Michael Tiemann (tiemann@mcc.com).

This file is part of GNU CC.

GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY.  No author or distributor
accepts responsibility to anyone for the consequences of using it
or for whether it serves any particular purpose or works at all,
unless he says so in writing.  Refer to the GNU CC General Public
License for full details.

Everyone is granted permission to copy, modify and redistribute
GNU CC, but only under the conditions described in the
GNU CC General Public License.   A copy of this license is
supposed to have been given to you along with GNU CC so you
can know your rights and responsibilities.  It should be in a
file named COPYING.  Among other things, the copyright notice
and this notice must be preserved on all copies.  */


/*
 *  Looks like all multiprocessors have this bug!
 */

#define SEQUENT_ADDRESS_BUG 1

#include "tm-ns32k.h"


#undef ASM_GENERATE_INTERNAL_LABEL
#undef ASM_OUTPUT_ADDR_DIFF_ELT
#undef ASM_OUTPUT_ALIGN
#undef ASM_OUTPUT_ASCII
#undef ASM_OUTPUT_DOUBLE
#undef ASM_OUTPUT_INT
#undef ASM_OUTPUT_INTERNAL_LABEL
#undef ASM_OUTPUT_LOCAL
#undef CPP_PREDEFINES
#undef FUNCTION_BOUNDARY
#undef PRINT_OPERAND
#undef PRINT_OPERAND_ADDRESS
#undef TARGET_VERSION


#define TARGET_DEFAULT 1
#define TARGET_VERSION printf (" (32000, Encore syntax)");
#define CPP_PREDEFINES "-Dns32000 -Dencore -Dunix"

#define FUNCTION_BOUNDARY 128		/* speed optimization */

/*
 *  The Encore assembler uses ".align 2" to align on 2-byte boundaries.
 */

#define ASM_OUTPUT_ALIGN(FILE,LOG)					\
	fprintf (FILE, "\t.align %d\n", 1 << (LOG))

/*
 *  Internal labels are prefixed with a period.
 */

#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)			\
	sprintf (LABEL, "*.%s%d", PREFIX, NUM)
#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM)			\
	fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL)			\
	fprintf (FILE, "\t.word .L%d-.LI%d\n", VALUE, REL)

/*
 *  Different syntax for integer constants, double constants, and
 *  uninitialized locals.
 */

#define ASM_OUTPUT_INT(FILE,VALUE)				\
( fprintf (FILE, "\t.double "),					\
  output_addr_const (FILE, (VALUE)),				\
  fprintf (FILE, "\n"))

#define ASM_OUTPUT_DOUBLE(FILE,VALUE)				\
 fprintf (FILE, "\t.long 0d%.20e\n", (VALUE))

#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE)			\
( fputs ("\t.bss ", (FILE)),					\
  assemble_name ((FILE), (NAME)),				\
  fprintf ((FILE), ",%d,4\n", (SIZE)))

 /*
  *  Encore assembler can't handle huge string constants like the one in
  *  gcc.c.  If the default routine in varasm.c were more conservative, this
  *  code could be eliminated.  It starts a new .ascii directive every 40
  *  characters.
  */

#define ASM_OUTPUT_ASCII(file, p, size)			\
{							\
  for (i = 0; i < size; i++)				\
    {							\
      register int c = p[i];				\
      if ((i / 40) * 40 == i)				\
      if (i == 0)					\
        fprintf (file, "\t.ascii \"");			\
      else						\
        fprintf (file, "\"\n\t.ascii \"");		\
      if (c == '\"' || c == '\\')			\
        putc ('\\', file);				\
      if (c >= ' ' && c < 0177)				\
        putc (c, file);					\
      else						\
        {						\
          fprintf (file, "\\%o", c);			\
          if (i < size - 1 				\
              && p[i + 1] >= '0' && p[i + 1] <= '9')	\
          fprintf (file, "\"\n\t.ascii \"");		\
        }						\
    }							\
  fprintf (file, "\"\n");				\
}

 /*
  *  Dollar signs are required before immediate operands, double
  *  floating point constants use $0l syntax, and external addresses
  *  should be prefixed with a question mark to avoid assembler warnings
  *  about undefined symbols.
  */

#define PRINT_OPERAND(FILE, X, CODE)					\
{ if (CODE == '$') putc ('$', FILE);					\
  else if (CODE == '?') fputc ('?', FILE);				\
  else if (GET_CODE (X) == REG)						\
    fprintf (FILE, "%s", reg_name [REGNO (X)]);				\
  else if (GET_CODE (X) == MEM)						\
    {									\
      rtx xfoo;								\
      xfoo = XEXP (X, 0);						\
      switch (GET_CODE (xfoo))						\
	{								\
	case MEM:							\
	  if (GET_CODE (XEXP (xfoo, 0)) == REG)				\
	    if (REGNO (XEXP (xfoo, 0)) == STACK_POINTER_REGNUM)		\
	      fprintf (FILE, "0(0(sp))");				\
	    else fprintf (FILE, "0(0(%s))",				\
			  reg_name [REGNO (XEXP (xfoo, 0))]);		\
	  else								\
	    {								\
	      fprintf (FILE, "0(");					\
	      output_address (xfoo);					\
	      putc (')', FILE);						\
	    }								\
	  break;							\
	case REG:							\
	  fprintf (FILE, "0(%s)", reg_name [REGNO (xfoo)]);		\
	  break;							\
	case PRE_DEC:							\
	case POST_INC:							\
	  fprintf (FILE, "tos");					\
	  break;							\
	case CONST_INT:							\
	  fprintf (FILE, "@%d", INTVAL (xfoo));				\
	  break;							\
	default:							\
	  output_address (xfoo);					\
	  break;							\
	}								\
    }									\
  else if (GET_CODE (X) == CONST_DOUBLE)				\
    if (GET_MODE (X) == DFmode)						\
      { union { double d; int i[2]; } u;				\
	u.i[0] = XINT (X, 0); u.i[1] = XINT (X, 1);			\
	fprintf (FILE, "$0l%.20e", u.d); }				\
    else { union { float f; int i; } u;					\
	   u.i = XINT (X, 0);						\
	   fprintf (FILE, "$0f%.20e", u.f); }				\
  else if (GET_CODE (X) == CONST)					\
    output_addr_const (FILE, X);					\
  else { putc ('$', FILE); output_addr_const (FILE, X); }}

#define PRINT_OPERAND_ADDRESS(FILE, ADDR)  print_operand_address(FILE, ADDR)