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, 2004,
   4    2005, 2007
   5    Free Software Foundation, Inc.
   6    Contributed by David Edelsohn (edelsohn@gnu.org).
   7
   8    This file is part of GCC.
   9
  10    GCC is free software; you can redistribute it and/or modify it
  11    under the terms of the GNU General Public License as published
  12    by the Free Software Foundation; either version 3, or (at your
  13    option) any later version.
  14
  15    GCC is distributed in the hope that it will be useful, but WITHOUT
  16    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  17    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  18    License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with GCC; see the file COPYING3.  If not see
  22    <http://www.gnu.org/licenses/>.  */
  23
  24 #undef ASM_SPEC
  25 #define ASM_SPEC "-u %(asm_cpu)"
  26
  27 #undef  ASM_DEFAULT_SPEC
  28 #define ASM_DEFAULT_SPEC "-mcom"
  29
  30 #undef TARGET_OS_CPP_BUILTINS
  31 #define TARGET_OS_CPP_BUILTINS()     \
  32   do                                 \
  33     {                                \
  34       TARGET_OS_AIX_CPP_BUILTINS (); \
  35     }                                \
  36   while (0)
  37
  38 #undef CPP_SPEC
  39 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
  40    %{ansi: -D_ANSI_C_SOURCE}\
  41    %{mpe: -I/usr/lpp/ppe.poe/include}\
  42    %{pthread: -D_THREAD_SAFE}"
  43
  44 #undef TARGET_DEFAULT
  45 #define TARGET_DEFAULT MASK_NEW_MNEMONICS
  46
  47 #undef PROCESSOR_DEFAULT
  48 #define PROCESSOR_DEFAULT PROCESSOR_PPC601
  49
  50 /* AIX does not support Altivec.  */
  51 #undef  TARGET_ALTIVEC
  52 #define TARGET_ALTIVEC 0
  53 #undef  TARGET_ALTIVEC_ABI
  54 #define TARGET_ALTIVEC_ABI 0
  55
  56 /* Define this macro as a C expression for the initializer of an
  57    array of string to tell the driver program which options are
  58    defaults for this target and thus do not need to be handled
  59    specially when using `MULTILIB_OPTIONS'.
  60
  61    Do not define this macro if `MULTILIB_OPTIONS' is not defined in
  62    the target makefile fragment or if none of the options listed in
  63    `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
  64
  65 #undef  MULTILIB_DEFAULTS
  66 #define MULTILIB_DEFAULTS { "mcpu=common" }
  67
  68 #undef LIB_SPEC
  69 #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\
  70    %{p:-L/lib/profiled -L/usr/lib/profiled} %{!shared:%{g*:-lg}}\
  71    %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
  72    %{pthread: -L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
  73    %{!pthread: -lc}"
  74
  75 #undef LINK_SPEC
  76 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
  77    %{static:-bnso %(link_syscalls) } %{!shared: %{g*: %(link_libg) }}\
  78    %{shared:-bM:SRE %{!e:-bnoentry}}"
  79
  80 #undef STARTFILE_SPEC
  81 #define STARTFILE_SPEC "%{!shared:\
  82    %{mpe:%{pg:/usr/lpp/ppe.poe/lib/gcrt0.o}\
  83          %{!pg:%{p:/usr/lpp/ppe.poe/lib/mcrt0.o}\
  84                %{!p:/usr/lpp/ppe.poe/lib/crt0.o}}}\
  85    %{!mpe:\
  86      %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
  87      %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
  88
  89 /* AIX 4 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC
  90    and "cror 31,31,31" for POWER architecture.  */
  91
  92 #undef RS6000_CALL_GLUE
  93 #define RS6000_CALL_GLUE "{cror 31,31,31|nop}"
  94
  95 /* The IBM AIX 4.x assembler doesn't support forward references in
  96    .set directives.  We handle this by deferring the output of .set
  97    directives to the end of the compilation unit.  */
  98 #define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) true
  99
 100 #undef TARGET_64BIT
 101 #define TARGET_64BIT 0