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
   4    Free Software Foundation, Inc.
   5    Contributed by David Edelsohn (edelsohn@gnu.org).
   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
  25 #undef  SUBSUBTARGET_SWITCHES
  26 #define SUBSUBTARGET_SWITCHES           \
  27   {"pe",                0,                                      \
  28    N_("Support message passing with the Parallel Environment") },
  29
  30 #undef ASM_SPEC
  31 #define ASM_SPEC "-u %(asm_cpu)"
  32
  33 #undef  ASM_DEFAULT_SPEC
  34 #define ASM_DEFAULT_SPEC "-mcom"
  35
  36 #undef TARGET_OS_CPP_BUILTINS
  37 #define TARGET_OS_CPP_BUILTINS()      \
  38   do                                  \
  39     {                                 \
  40       builtin_define ("_IBMR2");      \
  41       builtin_define ("_POWER");      \
  42       builtin_define ("_AIX");        \
  43       builtin_define ("_AIX32");      \
  44       builtin_define ("_AIX41");      \
  45       builtin_define ("_LONG_LONG");  \
  46       builtin_assert ("system=unix"); \
  47       builtin_assert ("system=aix");  \
  48     }                                 \
  49   while (0)
  50
  51 #undef CPP_SPEC
  52 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
  53    %{ansi: -D_ANSI_C_SOURCE}\
  54    %{mpe: -I/usr/lpp/ppe.poe/include}\
  55    %{pthread: -D_THREAD_SAFE}"
  56
  57 #undef TARGET_DEFAULT
  58 #define TARGET_DEFAULT MASK_NEW_MNEMONICS
  59
  60 #undef PROCESSOR_DEFAULT
  61 #define PROCESSOR_DEFAULT PROCESSOR_PPC601
  62
  63 /* Define this macro as a C expression for the initializer of an
  64    array of string to tell the driver program which options are
  65    defaults for this target and thus do not need to be handled
  66    specially when using `MULTILIB_OPTIONS'.
  67
  68    Do not define this macro if `MULTILIB_OPTIONS' is not defined in
  69    the target makefile fragment or if none of the options listed in
  70    `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
  71
  72 #undef  MULTILIB_DEFAULTS
  73 #define MULTILIB_DEFAULTS { "mcpu=common" }
  74
  75 #undef LIB_SPEC
  76 #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\
  77    %{p:-L/lib/profiled -L/usr/lib/profiled} %{!shared:%{g*:-lg}}\
  78    %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
  79    %{pthread: -L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
  80    %{!pthread: -lc}"
  81
  82 #undef LINK_SPEC
  83 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
  84    %{static:-bnso %(link_syscalls) } %{!shared: %{g*: %(link_libg) }}\
  85    %{shared:-bM:SRE %{!e:-bnoentry}}"
  86
  87 #undef STARTFILE_SPEC
  88 #define STARTFILE_SPEC "%{!shared:\
  89    %{mpe:%{pg:/usr/lpp/ppe.poe/lib/gcrt0.o}\
  90          %{!pg:%{p:/usr/lpp/ppe.poe/lib/mcrt0.o}\
  91                %{!p:/usr/lpp/ppe.poe/lib/crt0.o}}}\
  92    %{!mpe:\
  93      %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
  94      %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
  95
  96 /* AIX 4 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC
  97    and "cror 31,31,31" for POWER architecture.  */
  98
  99 #undef RS6000_CALL_GLUE
 100 #define RS6000_CALL_GLUE "{cror 31,31,31|nop}"
 101