gcc/config/ns32k/netbsd.h

   1 /* Configuration for a ns32532 running NetBSD as the target machine.
   2    Copyright (C) 1988, 1994, 1995, 1996, 1998 Free Software Foundation, Inc.
   3
   4 This file is part of GNU CC.
   5
   6 GNU CC is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU CC is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU CC; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 /* Compile for the floating point unit & 32532 by default;
  22    Don't assume SB is zero;
  23    Don't use bitfield instructions;
  24    FPU is 32381;
  25    Use multiply-add instructions */
  26
  27 #define TARGET_DEFAULT (1 + 24 + 32 + 64 + 256 + 512)
  28
  29 /* 32-bit alignment for efficiency */
  30
  31 #undef POINTER_BOUNDARY
  32 #define POINTER_BOUNDARY 32
  33
  34 /* 32-bit alignment for efficiency */
  35
  36 #undef FUNCTION_BOUNDARY
  37 #define FUNCTION_BOUNDARY 32
  38
  39 /* 32532 spec says it can handle any alignment.  Rumor from tm-ns32k.h
  40    tells this might not be actually true (but it's for 32032, perhaps
  41    National has fixed the bug for 32532).  You might have to change this
  42    if the bug still exists. */
  43
  44 #undef STRICT_ALIGNMENT
  45 #define STRICT_ALIGNMENT 0
  46
  47 /* Use pc relative addressing whenever possible,
  48    it's more efficient than absolute (ns32k.c)
  49    You have to fix a bug in gas 1.38.1 to make this work with gas,
  50    patch available from jkp@cs.hut.fi.
  51    (NetBSD's gas version has this patch already applied) */
  52
  53 #define PC_RELATIVE
  54
  55 /* Operand of bsr or jsr should be just the address.  */
  56
  57 #define CALL_MEMREF_IMPLICIT
  58
  59 /* movd insns may have floating point constant operands.  */
  60
  61 #define MOVD_FLOAT_OK
  62
  63 /* Names to predefine in the preprocessor for this target machine.  */
  64
  65 #undef CPP_PREDEFINES
  66 #define CPP_PREDEFINES "-Dns32k -Dns32000 -Dns32532 -D__NetBSD__ -Dpc532 -D__ns32k__ -D__KPRINTF_ATTRIBUTE__ -Asystem=unix -Asystem=NetBSD -Acpu=ns32k -Amachine=ns32k"
  67
  68 #undef CPP_SPEC
  69 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
  70
  71 /* Make gcc agree with <machine/ansi.h> */
  72
  73 #undef SIZE_TYPE
  74 #define SIZE_TYPE "unsigned int"
  75
  76 #undef PTRDIFF_TYPE
  77 #define PTRDIFF_TYPE "int"
  78
  79 /* This is BSD, so it wants DBX format.  */
  80
  81 #define DBX_DEBUGGING_INFO
  82
  83 /* Do not break .stabs pseudos into continuations.  */
  84
  85 #define DBX_CONTIN_LENGTH 0
  86
  87 /* This is the char to use for continuation (in case we need to turn
  88    continuation back on).  */
  89
  90 #define DBX_CONTIN_CHAR '?'
  91
  92 /* Don't default to pcc-struct-return, because gcc is the only compiler, and
  93    we want to retain compatibility with older gcc versions.  */
  94
  95 #undef PCC_STATIC_STRUCT_RETURN
  96 #define DEFAULT_PCC_STRUCT_RETURN 0
  97
  98 /* Until they use ELF or something that handles dwarf2 unwinds
  99    and initialization stuff better.  */
 100 #define DWARF2_UNWIND_INFO 0