gcc/config/rs6000/powerpc.h

   1 /* Definitions of target machine for GNU compiler,
   2    for IBM RS/6000 PowerPC running AIX version 3.2.
   3    Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
   4    Contributed by David Edelsohn (edelsohn@npac.syr.edu).
   5
   6 This file is part of GNU CC.
   7
   8 GNU CC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GNU CC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU CC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 59 Temple Place - Suite 330,
  21 Boston, MA 02111-1307, USA.  */
  22
  23
  24 #include "rs6000/rs6000.h"
  25
  26 #undef ASM_SPEC
  27 #define ASM_SPEC "-u %(asm_cpu)"
  28
  29 #undef CPP_PREDEFINES
  30 #define CPP_PREDEFINES "-D_IBMR2 -D_POWER -D_AIX -D_AIX32 \
  31 -Asystem(unix) -Asystem(aix) -Acpu(powerpc) -Amachine(powerpc)"
  32
  33 #undef  CPP_DEFAULT_SPEC
  34 #define CPP_DEFAULT_SPEC "-D_ARCH_PPC"
  35
  36 #undef  ASM_DEFAULT_SPEC
  37 #define ASM_DEFAULT_SPEC "-mppc"
  38
  39 #undef TARGET_DEFAULT
  40 #define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
  41
  42 #undef PROCESSOR_DEFAULT
  43 #define PROCESSOR_DEFAULT PROCESSOR_PPC601
  44
  45 /* These are not necessary when we pass -u to the assembler, and undefining
  46    them saves a great deal of space in object files.  */
  47
  48 #undef ASM_OUTPUT_EXTERNAL
  49 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
  50 #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME)   \
  51 { rtx _symref = XEXP (DECL_RTL (DECL), 0);      \
  52   if ((TREE_CODE (DECL) == VAR_DECL             \
  53        || TREE_CODE (DECL) == FUNCTION_DECL)    \
  54       && (NAME)[0] != '*'                       \
  55       && (NAME)[strlen (NAME) - 1] != ']')      \
  56     {                                           \
  57       char *_name = (char *) permalloc (strlen (XSTR (_symref, 0)) + 5); \
  58       strcpy (_name, XSTR (_symref, 0));        \
  59       strcat (_name, TREE_CODE (DECL) == FUNCTION_DECL ? "[DS]" : "[RW]"); \
  60       XSTR (_symref, 0) = _name;                \
  61     }                                           \
  62 }