gcc/config/powerpcspe/aix53.h

   1 /* Definitions of target machine for GNU compiler,
   2    for IBM RS/6000 POWER running AIX V5.3.
   3    Copyright (C) 2002-2017 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=power9: -mpwr9} \
  67 %{mcpu=powerpc: -mppc} \
  68 %{mcpu=rs64a: -mppc} \
  69 %{mcpu=603: -m603} \
  70 %{mcpu=603e: -m603} \
  71 %{mcpu=604: -m604} \
  72 %{mcpu=604e: -m604} \
  73 %{mcpu=620: -m620} \
  74 %{mcpu=630: -m620} \
  75 %{mcpu=970: -m970} \
  76 %{mcpu=G5: -m970}"
  77
  78 #undef  ASM_DEFAULT_SPEC
  79 #define ASM_DEFAULT_SPEC "-mppc"
  80
  81 #undef TARGET_OS_CPP_BUILTINS
  82 #define TARGET_OS_CPP_BUILTINS()     \
  83   do                                 \
  84     {                                \
  85       builtin_define ("_AIX43");     \
  86       builtin_define ("_AIX51");     \
  87       builtin_define ("_AIX52");     \
  88       builtin_define ("_AIX53");     \
  89       TARGET_OS_AIX_CPP_BUILTINS (); \
  90     }                                \
  91   while (0)
  92
  93 #undef CPP_SPEC
  94 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}     \
  95   %{ansi: -D_ANSI_C_SOURCE}                     \
  96   %{maix64: -D__64BIT__}                        \
  97   %{mpe: -I%R/usr/lpp/ppe.poe/include}          \
  98   %{pthread: -D_THREAD_SAFE}"
  99
 100 /* The GNU C++ standard library requires that these macros be
 101    defined.  Synchronize with libstdc++ os_defines.h.  */
 102 #undef CPLUSPLUS_CPP_SPEC
 103 #define CPLUSPLUS_CPP_SPEC                      \
 104   "-D_ALL_SOURCE                                \
 105    %{maix64: -D__64BIT__}                       \
 106    %{mpe: -I%R/usr/lpp/ppe.poe/include}         \
 107    %{pthread: -D_THREAD_SAFE}"
 108
 109 #undef  TARGET_DEFAULT
 110 #define TARGET_DEFAULT 0
 111
 112 #undef  PROCESSOR_DEFAULT
 113 #define PROCESSOR_DEFAULT PROCESSOR_POWER5
 114 #undef  PROCESSOR_DEFAULT64
 115 #define PROCESSOR_DEFAULT64 PROCESSOR_POWER5
 116
 117 /* Define this macro as a C expression for the initializer of an
 118    array of string to tell the driver program which options are
 119    defaults for this target and thus do not need to be handled
 120    specially when using `MULTILIB_OPTIONS'.
 121
 122    Do not define this macro if `MULTILIB_OPTIONS' is not defined in
 123    the target makefile fragment or if none of the options listed in
 124    `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */
 125
 126 #undef  MULTILIB_DEFAULTS
 127
 128 #undef LIB_SPEC
 129 #define LIB_SPEC "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\
 130    %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\
 131    %{!maix64:%{!shared:%{g*:-lg}}}\
 132    %{fprofile-arcs|fprofile-generate*|coverage:-lpthreads}\
 133    %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
 134    %{pthread:-lpthreads} -lc"
 135
 136 #undef LINK_SPEC
 137 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro}\
 138    %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
 139    %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\
 140    %{mpe:-binitfini:poe_remote_main}"
 141
 142 #undef STARTFILE_SPEC
 143 #define STARTFILE_SPEC "%{!shared:\
 144    %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\
 145    %{!maix64:\
 146      %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
 147      %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
 148
 149 /* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int".  */
 150
 151 #undef PTRDIFF_TYPE
 152 #define PTRDIFF_TYPE "long int"
 153
 154 /* Type used for wchar_t, as a string used in a declaration.  */
 155 #undef  WCHAR_TYPE
 156 #define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int")
 157
 158 /* Width of wchar_t in bits.  */
 159 #undef  WCHAR_TYPE_SIZE
 160 #define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32)
 161
 162 /* AIX 4.2 and above provides initialization and finalization function
 163    support from linker command line.  */
 164 #undef HAS_INIT_SECTION
 165 #define HAS_INIT_SECTION
 166
 167 #undef LD_INIT_SWITCH
 168 #define LD_INIT_SWITCH "-binitfini"
 169
 170 #ifndef _AIX52
 171 extern long long int    atoll(const char *);
 172 #endif
 173
 174 /* This target uses the aix64.opt file.  */
 175 #define TARGET_USES_AIX64_OPT 1
 176
 177 /* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION,
 178    but does not have crtbegin/end.  */
 179
 180 #define TARGET_AIX_VERSION 53