gcc/config/rs6000/aix41.h

   1 /* Definitions of target machine for GNU compiler,
   2    for IBM RS/6000 POWER running AIX version 4.1.
   3    Copyright (C) 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)"
  32
  33 #undef CPP_SPEC
  34 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} %(cpp_cpu)"
  35
  36 #undef  CPP_DEFAULT_SPEC
  37 #define CPP_DEFAULT_SPEC "-D_ARCH_COM"
  38
  39 #undef  ASM_DEFAULT_SPEC
  40 #define ASM_DEFAULT_SPEC "-mcom"
  41
  42 #undef TARGET_DEFAULT
  43 #define TARGET_DEFAULT MASK_NEW_MNEMONICS
  44
  45 #undef PROCESSOR_DEFAULT
  46 #define PROCESSOR_DEFAULT PROCESSOR_PPC601
  47
  48 /* Define this macro as a C expression for the initializer of an
  49    array of string to tell the driver program which options are
  50    defaults for this target and thus do not need to be handled
  51    specially when using `MULTILIB_OPTIONS'.
  52
  53    Do not define this macro if `MULTILIB_OPTIONS' is not defined in
  54    the target makefile fragment or if none of the options listed in
  55    `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
  56
  57 #undef  MULTILIB_DEFAULTS
  58 #define MULTILIB_DEFAULTS { "mcpu=common" }
  59
  60 /* These are not necessary when we pass -u to the assembler, and undefining
  61    them saves a great deal of space in object files.  */
  62
  63 #undef ASM_OUTPUT_EXTERNAL
  64 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
  65 #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME)   \
  66 { rtx _symref = XEXP (DECL_RTL (DECL), 0);      \
  67   if ((TREE_CODE (DECL) == VAR_DECL             \
  68        || TREE_CODE (DECL) == FUNCTION_DECL)    \
  69       && (NAME)[0] != '*'                       \
  70       && (NAME)[strlen (NAME) - 1] != ']')      \
  71     {                                           \
  72       char *_name = (char *) permalloc (strlen (XSTR (_symref, 0)) + 5); \
  73       strcpy (_name, XSTR (_symref, 0));        \
  74       strcat (_name, TREE_CODE (DECL) == FUNCTION_DECL ? "[DS]" : "[RW]"); \
  75       XSTR (_symref, 0) = _name;                \
  76     }                                           \
  77 }
  78
  79 #undef LINK_SPEC
  80 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
  81    %{static:-bnso %(link_syscalls) } %{!shared: %{g*: %(link_libg) }}\
  82    %{shared:-bM:SRE}"
  83