gcc/config/rs6000/aix53.h

   1 /* Definitions of target machine for GNU compiler,
   2    for IBM RS/6000 POWER running AIX V5.3.
   3    Copyright (C) 2002-2015 Free Software Foundation, Inc.
   4    Contributed by David Edelsohn (edelsohn@gnu.org).
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify it
   9    under the terms of the GNU General Public License as published
  10    by the Free Software Foundation; either version 3, or (at your
  11    option) any later version.
  12
  13    GCC is distributed in the hope that it will be useful, but WITHOUT
  14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16    License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GCC; see the file COPYING3.  If not see
  20    <http://www.gnu.org/licenses/>.  */
  21
  22 /* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
  23    get control in TARGET_OPTION_OVERRIDE.  */
  24
  25 #define SUBTARGET_OVERRIDE_OPTIONS                                      \
  26 do {                                                                    \
  27   if (TARGET_64BIT && ! TARGET_POWERPC64)                               \
  28     {                                                                   \
  29       rs6000_isa_flags |= OPTION_MASK_POWERPC64;                        \
  30       warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \
  31     }                                                                   \
  32   if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128)                      \
  33     {                                                                   \
  34       rs6000_long_double_type_size = 64;                                \
  35       if (global_options_set.x_rs6000_long_double_type_size)            \
  36         warning (0, "soft-float and long-double-128 are incompatible"); \
  37     }                                                                   \
  38   if (TARGET_POWERPC64 && ! TARGET_64BIT)                               \
  39     {                                                                   \
  40       error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \
  41     }                                                                   \
  42 } while (0);
  43
  44 #undef ASM_SPEC
  45 #define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)"
  46
  47 /* Common ASM definitions used by ASM_SPEC amongst the various targets for
  48    handling -mcpu=xxx switches.  There is a parallel list in driver-rs6000.c to
  49    provide the default assembler options if the user uses -mcpu=native, so if
  50    you make changes here, make them there also.  */
  51 #undef ASM_CPU_SPEC
  52 #define ASM_CPU_SPEC \
  53 "%{!mcpu*: %{!maix64: \
  54   %{mpowerpc64: -mppc64} \
  55   %{maltivec: -m970} \
  56   %{!maltivec: %{!mpowerpc64: %(asm_default)}}}} \
  57 %{mcpu=native: %(asm_cpu_native)} \
  58 %{mcpu=power3: -m620} \
  59 %{mcpu=power4: -mpwr4} \
  60 %{mcpu=power5: -mpwr5} \
  61 %{mcpu=power5+: -mpwr5x} \
  62 %{mcpu=power6: -mpwr6} \
  63 %{mcpu=power6x: -mpwr6} \
  64 %{mcpu=power7: -mpwr7} \
  65 %{mcpu=power8: -mpwr8} \
  66 %{mcpu=powerpc: -mppc} \
  67 %{mcpu=rs64a: -mppc} \
  68 %{mcpu=603: -m603} \
  69 %{mcpu=603e: -m603} \
  70 %{mcpu=604: -m604} \
  71 %{mcpu=604e: -m604} \
  72 %{mcpu=620: -m620} \
  73 %{mcpu=630: -m620} \
  74 %{mcpu=970: -m970} \
  75 %{mcpu=G5: -m970}"
  76
  77 #undef  ASM_DEFAULT_SPEC
  78 #define ASM_DEFAULT_SPEC "-mppc"
  79
  80 #undef TARGET_OS_CPP_BUILTINS
  81 #define TARGET_OS_CPP_BUILTINS()     \
  82   do                                 \
  83     {                                \
  84       builtin_define ("_AIX43");     \
  85       builtin_define ("_AIX51");     \
  86       builtin_define ("_AIX52");     \
  87       builtin_define ("_AIX53");     \
  88       TARGET_OS_AIX_CPP_BUILTINS (); \
  89     }                                \
  90   while (0)
  91
  92 #undef CPP_SPEC
  93 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}     \
  94   %{ansi: -D_ANSI_C_SOURCE}                     \
  95   %{maix64: -D__64BIT__}                        \
  96   %{mpe: -I%R/usr/lpp/ppe.poe/include}          \
  97   %{pthread: -D_THREAD_SAFE}"
  98
  99 /* The GNU C++ standard library requires that these macros be
 100    defined.  Synchronize with libstdc++ os_defines.h.  */
 101 #undef CPLUSPLUS_CPP_SPEC
 102 #define CPLUSPLUS_CPP_SPEC                      \
 103   "-D_ALL_SOURCE                                \
 104    %{maix64: -D__64BIT__}                       \
 105    %{mpe: -I%R/usr/lpp/ppe.poe/include}         \
 106    %{pthread: -D_THREAD_SAFE}"
 107
 108 #undef  TARGET_DEFAULT
 109 #define TARGET_DEFAULT 0
 110
 111 #undef  PROCESSOR_DEFAULT
 112 #define PROCESSOR_DEFAULT PROCESSOR_POWER5
 113 #undef  PROCESSOR_DEFAULT64
 114 #define PROCESSOR_DEFAULT64 PROCESSOR_POWER5
 115
 116 /* Define this macro as a C expression for the initializer of an
 117    array of string to tell the driver program which options are
 118    defaults for this target and thus do not need to be handled
 119    specially when using `MULTILIB_OPTIONS'.
 120
 121    Do not define this macro if `MULTILIB_OPTIONS' is not defined in
 122    the target makefile fragment or if none of the options listed in
 123    `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
 124
 125 #undef  MULTILIB_DEFAULTS
 126
 127 #undef LIB_SPEC
 128 #define LIB_SPEC "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\
 129    %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\
 130    %{!maix64:%{!shared:%{g*:-lg}}}\
 131    %{fprofile-arcs|fprofile-generate*|coverage:-lpthreads}\
 132    %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
 133    %{pthread:-lpthreads} -lc"
 134
 135 #undef LINK_SPEC
 136 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro}\
 137    %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
 138    %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\
 139    %{mpe:-binitfini:poe_remote_main}"
 140
 141 #undef STARTFILE_SPEC
 142 #define STARTFILE_SPEC "%{!shared:\
 143    %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\
 144    %{!maix64:\
 145      %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
 146      %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
 147
 148 /* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int".  */
 149
 150 #undef PTRDIFF_TYPE
 151 #define PTRDIFF_TYPE "long int"
 152
 153 /* Type used for wchar_t, as a string used in a declaration.  */
 154 #undef  WCHAR_TYPE
 155 #define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int")
 156
 157 /* Width of wchar_t in bits.  */
 158 #undef  WCHAR_TYPE_SIZE
 159 #define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32)
 160
 161 /* AIX 4.2 and above provides initialization and finalization function
 162    support from linker command line.  */
 163 #undef HAS_INIT_SECTION
 164 #define HAS_INIT_SECTION
 165
 166 #undef LD_INIT_SWITCH
 167 #define LD_INIT_SWITCH "-binitfini"
 168
 169 #ifndef _AIX52
 170 extern long long int    atoll(const char *);
 171 #endif
 172
 173 /* This target uses the aix64.opt file.  */
 174 #define TARGET_USES_AIX64_OPT 1
 175
 176 /* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION,
 177    but does not have crtbegin/end.  */
 178
 179 #define TARGET_USE_JCR_SECTION 0
 180
 181 #define TARGET_AIX_VERSION 53