gcc/config/ns32k/pc532.h

   1 /* Definitions of target machine for GNU compiler.
   2    PC532 with National 32532.
   3    Copyright (C) 1990, 1994 Free Software Foundation, Inc.
   4    Contributed by Jukka Virtanen <jtv@hut.fi>, Jyrki Kuoppala <jkp@cs.hut.fi>,
   5    Tatu Yl|nen <ylo@ngs.fi>, Johannes Helander <jvh@cs.hut.fi>.
   6
   7 This file is part of GNU CC.
   8
   9 GNU CC is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 2, or (at your option)
  12 any later version.
  13
  14 GNU CC is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GNU CC; see the file COPYING.  If not, write to
  21 the Free Software Foundation, 59 Temple Place - Suite 330,
  22 Boston, MA 02111-1307, USA.  */
  23
  24 #include "ns32k/ns32k.h"
  25
  26 /* Compile for the floating point unit & 32532 by default;
  27    also presume SB is zero and no bitfield instructions */
  28
  29 #define TARGET_DEFAULT (1 + 24 + 64)
  30
  31 /* Write DBX debugging info for gdb to read */
  32
  33 #define DBX_DEBUGGING_INFO
  34
  35 /* Use the re-entrant and potentially faster method */
  36
  37 #undef PCC_STATIC_STRUCT_RETURN
  38
  39 /* 32-bit alignment for efficiency */
  40 #undef POINTER_BOUNDARY
  41 #define POINTER_BOUNDARY 32
  42
  43 /* 32-bit alignment for efficiency */
  44 #undef FUNCTION_BOUNDARY
  45 #define FUNCTION_BOUNDARY 32
  46
  47 /* 32532 spec says it can handle any alignment.  Rumor from tm-ns32k.h
  48    tells this might not be actually true (but it's for 32032, perhaps
  49    National has fixed the bug for 32532).  You might have to change this
  50    if the bug still exists. */
  51
  52 #undef STRICT_ALIGNMENT
  53 #define STRICT_ALIGNMENT 0
  54
  55 /* Maybe someone needs to know which processor we're running on */
  56
  57 #undef CPP_PREDEFINES
  58 #define CPP_PREDEFINES "-Dns32000 -Dns32532 -Dpc532 -Dunix -Asystem(unix) -Acpu(ns32k) -Amachine(ns32k)"
  59
  60 /* Use pc relative addressing whenever possible,
  61    it's more efficient than absolute (ns32k.c)
  62    You have to fix a bug in gas 1.38.1 to make this work with gas,
  63    patch available from jkp@cs.hut.fi. */
  64
  65 #define PC_RELATIVE
  66
  67 /* Operand of bsr or jsr should be just the address.  */
  68
  69 #define CALL_MEMREF_IMPLICIT
  70
  71 /* movd insns may have floating point constant operands.  */
  72
  73 #define MOVD_FLOAT_OK