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, 95-8, 1999 Free Software Foundation, Inc.
   4    Contributed by David Edelsohn (edelsohn@gnu.org).
   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 /* Enable AIX XL compiler calling convention breakage compatibility.  */
  25 #define MASK_XL_CALL            0x40000000
  26 #define TARGET_XL_CALL          (target_flags & MASK_XL_CALL)
  27 #undef  SUBTARGET_SWITCHES
  28 #define SUBTARGET_SWITCHES              \
  29   {"xl-call",           MASK_XL_CALL},  \
  30   {"no-xl-call",        - MASK_XL_CALL}, \
  31   {"threads",           0},             \
  32   {"pe",                0},
  33
  34 #include "rs6000/rs6000.h"
  35
  36 #undef ASM_SPEC
  37 #define ASM_SPEC "-u %(asm_cpu)"
  38
  39 /* Common ASM definitions used by ASM_SPEC amonst the various targets
  40    for handling -mcpu=xxx switches.  */
  41 #undef ASM_CPU_SPEC
  42 #define ASM_CPU_SPEC \
  43 "%{!mcpu*: \
  44   %{mpower: %{!mpower2: -mpwr}} \
  45   %{mpower2: -mpwr2} \
  46   %{mpowerpc*: -mppc} \
  47   %{!mpower*: %{!mpowerpc*: %(asm_default)}}} \
  48 %{mcpu=common: -mcom} \
  49 %{mcpu=power: -mpwr} \
  50 %{mcpu=power2: -mpwr2} \
  51 %{mcpu=powerpc: -mppc} \
  52 %{mcpu=rios: -mpwr} \
  53 %{mcpu=rios1: -mpwr} \
  54 %{mcpu=rios2: -mpwr2} \
  55 %{mcpu=rsc: -mpwr} \
  56 %{mcpu=rsc1: -mpwr} \
  57 %{mcpu=403: -mppc} \
  58 %{mcpu=505: -mppc} \
  59 %{mcpu=601: -m601} \
  60 %{mcpu=602: -mppc} \
  61 %{mcpu=603: -m603} \
  62 %{mcpu=603e: -m603} \
  63 %{mcpu=604: -m604} \
  64 %{mcpu=604e: -m604} \
  65 %{mcpu=620: -mppc} \
  66 %{mcpu=821: -mppc} \
  67 %{mcpu=860: -mppc}"
  68
  69 #undef  ASM_DEFAULT_SPEC
  70 #define ASM_DEFAULT_SPEC "-mcom"
  71
  72 #undef CPP_PREDEFINES
  73 #define CPP_PREDEFINES "-D_IBMR2 -D_POWER -D_AIX -D_AIX32 -D_AIX41 \
  74 -D_LONG_LONG -Asystem(unix) -Asystem(aix)"
  75
  76 #undef CPP_SPEC
  77 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
  78    %{mpe: -I/usr/lpp/ppe.poe/include}\
  79    %{mthreads: -D_THREAD_SAFE}\
  80    %(cpp_cpu)"
  81
  82 /* Common CPP definitions used by CPP_SPEC among the various targets
  83    for handling -mcpu=xxx switches.  */
  84 #undef CPP_CPU_SPEC
  85 #define CPP_CPU_SPEC \
  86 "%{!mcpu*: \
  87   %{mpower: %{!mpower2: -D_ARCH_PWR}} \
  88   %{mpower2: -D_ARCH_PWR2} \
  89   %{mpowerpc*: -D_ARCH_PPC} \
  90   %{!mpower*: %{!mpowerpc*: %(cpp_default)}}} \
  91 %{mcpu=common: -D_ARCH_COM} \
  92 %{mcpu=power: -D_ARCH_PWR} \
  93 %{mcpu=power2: -D_ARCH_PWR2} \
  94 %{mcpu=powerpc: -D_ARCH_PPC} \
  95 %{mcpu=rios: -D_ARCH_PWR} \
  96 %{mcpu=rios1: -D_ARCH_PWR} \
  97 %{mcpu=rios2: -D_ARCH_PWR2} \
  98 %{mcpu=rsc: -D_ARCH_PWR} \
  99 %{mcpu=rsc1: -D_ARCH_PWR} \
 100 %{mcpu=403: -D_ARCH_PPC} \
 101 %{mcpu=505: -D_ARCH_PPC} \
 102 %{mcpu=601: -D_ARCH_PPC -D_ARCH_PWR} \
 103 %{mcpu=602: -D_ARCH_PPC} \
 104 %{mcpu=603: -D_ARCH_PPC} \
 105 %{mcpu=603e: -D_ARCH_PPC} \
 106 %{mcpu=604: -D_ARCH_PPC} \
 107 %{mcpu=620: -D_ARCH_PPC} \
 108 %{mcpu=821: -D_ARCH_PPC} \
 109 %{mcpu=860: -D_ARCH_PPC}"
 110
 111 #undef  CPP_DEFAULT_SPEC
 112 #define CPP_DEFAULT_SPEC "-D_ARCH_COM"
 113
 114 #undef TARGET_DEFAULT
 115 #define TARGET_DEFAULT MASK_NEW_MNEMONICS
 116
 117 #undef PROCESSOR_DEFAULT
 118 #define PROCESSOR_DEFAULT PROCESSOR_PPC601
 119
 120 /* Define this macro as a C expression for the initializer of an
 121    array of string to tell the driver program which options are
 122    defaults for this target and thus do not need to be handled
 123    specially when using `MULTILIB_OPTIONS'.
 124
 125    Do not define this macro if `MULTILIB_OPTIONS' is not defined in
 126    the target makefile fragment or if none of the options listed in
 127    `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
 128
 129 #undef  MULTILIB_DEFAULTS
 130 #define MULTILIB_DEFAULTS { "mcpu=common" }
 131
 132 /* These are not necessary when we pass -u to the assembler, and undefining
 133    them saves a great deal of space in object files.  */
 134
 135 #undef ASM_OUTPUT_EXTERNAL
 136 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
 137 #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME)   \
 138 { rtx _symref = XEXP (DECL_RTL (DECL), 0);      \
 139   if ((TREE_CODE (DECL) == VAR_DECL             \
 140        || TREE_CODE (DECL) == FUNCTION_DECL)    \
 141       && (NAME)[strlen (NAME) - 1] != ']')      \
 142     {                                           \
 143       char *_name = (char *) permalloc (strlen (XSTR (_symref, 0)) + 5); \
 144       strcpy (_name, XSTR (_symref, 0));        \
 145       strcat (_name, TREE_CODE (DECL) == FUNCTION_DECL ? "[DS]" : "[RW]"); \
 146       XSTR (_symref, 0) = _name;                \
 147     }                                           \
 148 }
 149
 150 #undef LIB_SPEC
 151 #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\
 152    %{p:-L/lib/profiled -L/usr/lib/profiled} %{!shared:%{g*:-lg}}\
 153    %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
 154    %{mthreads: -L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
 155    %{!mthreads: -lc}"
 156
 157 #undef LINK_SPEC
 158 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
 159    %{static:-bnso %(link_syscalls) } %{!shared: %{g*: %(link_libg) }}\
 160    %{shared:-bM:SRE %{!e:-bnoentry}}"
 161
 162 #undef STARTFILE_SPEC
 163 #define STARTFILE_SPEC "%{!shared:\
 164    %{mpe:%{pg:/usr/lpp/ppe.poe/lib/gcrt0.o}\
 165          %{!pg:%{p:/usr/lpp/ppe.poe/lib/mcrt0.o}\
 166                %{!p:/usr/lpp/ppe.poe/lib/crt0.o}}}\
 167    %{!mpe:\
 168      %{mthreads:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
 169      %{!mthreads:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
 170