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, 1997, 1998, 1999, 2000, 2001, 2003
   4    Free Software Foundation, Inc.
   5    Contributed by David Edelsohn (edelsohn@gnu.org).
   6
   7    This file is part of GCC.
   8
   9    GCC is free software; you can redistribute it and/or modify it
  10    under the terms of the GNU General Public License as published
  11    by the Free Software Foundation; either version 2, or (at your
  12    option) any later version.
  13
  14    GCC is distributed in the hope that it will be useful, but WITHOUT
  15    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  16    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  17    License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with GCC; see the file COPYING.  If not, write to the
  21    Free Software Foundation, 59 Temple Place - Suite 330, Boston,
  22    MA 02111-1307, USA.  */
  23
  24 #undef  SUBSUBTARGET_SWITCHES
  25 #define SUBSUBTARGET_SWITCHES           \
  26   {"pe",                0,                                      \
  27    N_("Support message passing with the Parallel Environment") },
  28
  29 #undef ASM_SPEC
  30 #define ASM_SPEC "-u %(asm_cpu)"
  31
  32 #undef  ASM_DEFAULT_SPEC
  33 #define ASM_DEFAULT_SPEC "-mcom"
  34
  35 #undef TARGET_OS_CPP_BUILTINS
  36 #define TARGET_OS_CPP_BUILTINS()      \
  37   do                                  \
  38     {                                 \
  39       builtin_define ("_IBMR2");      \
  40       builtin_define ("_POWER");      \
  41       builtin_define ("_AIX");        \
  42       builtin_define ("_AIX32");      \
  43       builtin_define ("_AIX41");      \
  44       builtin_define ("_LONG_LONG");  \
  45       builtin_assert ("system=unix"); \
  46       builtin_assert ("system=aix");  \
  47     }                                 \
  48   while (0)
  49
  50 #undef CPP_SPEC
  51 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
  52    %{ansi: -D_ANSI_C_SOURCE}\
  53    %{mpe: -I/usr/lpp/ppe.poe/include}\
  54    %{pthread: -D_THREAD_SAFE}"
  55
  56 #undef TARGET_DEFAULT
  57 #define TARGET_DEFAULT MASK_NEW_MNEMONICS
  58
  59 #undef PROCESSOR_DEFAULT
  60 #define PROCESSOR_DEFAULT PROCESSOR_PPC601
  61
  62 /* Define this macro as a C expression for the initializer of an
  63    array of string to tell the driver program which options are
  64    defaults for this target and thus do not need to be handled
  65    specially when using `MULTILIB_OPTIONS'.
  66
  67    Do not define this macro if `MULTILIB_OPTIONS' is not defined in
  68    the target makefile fragment or if none of the options listed in
  69    `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
  70
  71 #undef  MULTILIB_DEFAULTS
  72 #define MULTILIB_DEFAULTS { "mcpu=common" }
  73
  74 #undef LIB_SPEC
  75 #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\
  76    %{p:-L/lib/profiled -L/usr/lib/profiled} %{!shared:%{g*:-lg}}\
  77    %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
  78    %{pthread: -L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
  79    %{!pthread: -lc}"
  80
  81 #undef LINK_SPEC
  82 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
  83    %{static:-bnso %(link_syscalls) } %{!shared: %{g*: %(link_libg) }}\
  84    %{shared:-bM:SRE %{!e:-bnoentry}}"
  85
  86 #undef STARTFILE_SPEC
  87 #define STARTFILE_SPEC "%{!shared:\
  88    %{mpe:%{pg:/usr/lpp/ppe.poe/lib/gcrt0.o}\
  89          %{!pg:%{p:/usr/lpp/ppe.poe/lib/mcrt0.o}\
  90                %{!p:/usr/lpp/ppe.poe/lib/crt0.o}}}\
  91    %{!mpe:\
  92      %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
  93      %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
  94
  95 /* AIX 4 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC
  96    and "cror 31,31,31" for POWER architecture.  */
  97
  98 #undef RS6000_CALL_GLUE
  99 #define RS6000_CALL_GLUE "{cror 31,31,31|nop}"
 100