| /* Definitions of target machine for GNU compiler, |
| for IBM RS/6000 POWER running AIX V5. |
| Copyright (C) 2001, 2003, 2004, 2005 Free Software Foundation, Inc. |
| Contributed by David Edelsohn (edelsohn@gnu.org). |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it |
| under the terms of the GNU General Public License as published |
| by the Free Software Foundation; either version 2, or (at your |
| option) any later version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING. If not, write to the |
| Free Software Foundation, 59 Temple Place - Suite 330, Boston, |
| MA 02111-1307, USA. */ |
| |
| /* AIX V5 and above support 64-bit executables. */ |
| #undef SUBSUBTARGET_SWITCHES |
| #define SUBSUBTARGET_SWITCHES \ |
| {"aix64", MASK_64BIT | MASK_POWERPC64 | MASK_POWERPC, \ |
| N_("Compile for 64-bit pointers") }, \ |
| {"aix32", - (MASK_64BIT | MASK_POWERPC64), \ |
| N_("Compile for 32-bit pointers") }, \ |
| {"pe", 0, \ |
| N_("Support message passing with the Parallel Environment") }, |
| |
| /* Sometimes certain combinations of command options do not make sense |
| on a particular target machine. You can define a macro |
| `OVERRIDE_OPTIONS' to take account of this. This macro, if |
| defined, is executed once just after all the command options have |
| been parsed. |
| |
| The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to |
| get control. */ |
| |
| #define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2) |
| #define SUBTARGET_OVERRIDE_OPTIONS \ |
| do { \ |
| if (TARGET_64BIT && (target_flags & NON_POWERPC_MASKS)) \ |
| { \ |
| target_flags &= ~NON_POWERPC_MASKS; \ |
| warning ("-maix64 and POWER architecture are incompatible"); \ |
| } \ |
| if (TARGET_64BIT && ! TARGET_POWERPC64) \ |
| { \ |
| target_flags |= MASK_POWERPC64; \ |
| warning ("-maix64 requires PowerPC64 architecture remain enabled"); \ |
| } \ |
| if (TARGET_POWERPC64 && ! TARGET_64BIT) \ |
| { \ |
| error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \ |
| } \ |
| } while (0); |
| |
| #undef ASM_SPEC |
| #define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)" |
| |
| /* Common ASM definitions used by ASM_SPEC amongst the various targets |
| for handling -mcpu=xxx switches. */ |
| #undef ASM_CPU_SPEC |
| #define ASM_CPU_SPEC \ |
| "%{!mcpu*: %{!maix64: \ |
| %{mpower: %{!mpower2: -mpwr}} \ |
| %{mpower2: -mpwr2} \ |
| %{mpowerpc*: %{!mpowerpc64: -mppc}} \ |
| %{mpowerpc64: -mppc64} \ |
| %{!mpower*: %{!mpowerpc*: %(asm_default)}}}} \ |
| %{mcpu=common: -mcom} \ |
| %{mcpu=power: -mpwr} \ |
| %{mcpu=power2: -mpwr2} \ |
| %{mcpu=power3: -m620} \ |
| %{mcpu=power4: -m620} \ |
| %{mcpu=powerpc: -mppc} \ |
| %{mcpu=rios: -mpwr} \ |
| %{mcpu=rios1: -mpwr} \ |
| %{mcpu=rios2: -mpwr2} \ |
| %{mcpu=rsc: -mpwr} \ |
| %{mcpu=rsc1: -mpwr} \ |
| %{mcpu=rs64a: -mppc} \ |
| %{mcpu=601: -m601} \ |
| %{mcpu=602: -mppc} \ |
| %{mcpu=603: -m603} \ |
| %{mcpu=603e: -m603} \ |
| %{mcpu=604: -m604} \ |
| %{mcpu=604e: -m604} \ |
| %{mcpu=620: -m620} \ |
| %{mcpu=630: -m620} \ |
| %{mcpu=970: -m620} \ |
| %{mcpu=G5: -m620}" |
| |
| #undef ASM_DEFAULT_SPEC |
| #define ASM_DEFAULT_SPEC "-mcom" |
| |
| #undef TARGET_OS_CPP_BUILTINS |
| #define TARGET_OS_CPP_BUILTINS() \ |
| do \ |
| { \ |
| builtin_define ("_AIX43"); \ |
| builtin_define ("_AIX51"); \ |
| TARGET_OS_AIX_CPP_BUILTINS (); \ |
| } \ |
| while (0) |
| |
| #undef CPP_SPEC |
| #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ |
| %{ansi: -D_ANSI_C_SOURCE} \ |
| %{maix64: -D__64BIT__} \ |
| %{mpe: -I/usr/lpp/ppe.poe/include} \ |
| %{pthread: -D_THREAD_SAFE}" |
| |
| /* The GNU C++ standard library requires that these macros be |
| defined. */ |
| #undef CPLUSPLUS_CPP_SPEC |
| #define CPLUSPLUS_CPP_SPEC \ |
| "-D_ALL_SOURCE \ |
| %{maix64: -D__64BIT__} \ |
| %{mpe: -I/usr/lpp/ppe.poe/include} \ |
| %{pthread: -D_THREAD_SAFE}" |
| |
| #undef TARGET_DEFAULT |
| #define TARGET_DEFAULT MASK_NEW_MNEMONICS |
| |
| #undef PROCESSOR_DEFAULT |
| #define PROCESSOR_DEFAULT PROCESSOR_PPC604e |
| |
| /* Define this macro as a C expression for the initializer of an |
| array of string to tell the driver program which options are |
| defaults for this target and thus do not need to be handled |
| specially when using `MULTILIB_OPTIONS'. |
| |
| Do not define this macro if `MULTILIB_OPTIONS' is not defined in |
| the target makefile fragment or if none of the options listed in |
| `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ |
| |
| #undef MULTILIB_DEFAULTS |
| #define MULTILIB_DEFAULTS { "mcpu=common" } |
| |
| #undef LIB_SPEC |
| #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\ |
| %{p:-L/lib/profiled -L/usr/lib/profiled}\ |
| %{!maix64:%{!shared:%{g*:-lg}}}\ |
| %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ |
| %{pthread:-lpthreads} -lc" |
| |
| #undef LINK_SPEC |
| #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\ |
| %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ |
| %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ |
| %{mpe:-binitfini:poe_remote_main}" |
| |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC "%{!shared:\ |
| %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ |
| %{!maix64:\ |
| %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ |
| %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}" |
| |
| /* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */ |
| |
| #undef PTRDIFF_TYPE |
| #define PTRDIFF_TYPE "long int" |
| |
| /* Type used for wchar_t, as a string used in a declaration. */ |
| #undef WCHAR_TYPE |
| #define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int") |
| |
| /* Width of wchar_t in bits. */ |
| #undef WCHAR_TYPE_SIZE |
| #define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32) |
| |
| /* AIX V5 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC |
| and "cror 31,31,31" for POWER architecture. */ |
| |
| #undef RS6000_CALL_GLUE |
| #define RS6000_CALL_GLUE "{cror 31,31,31|nop}" |
| |
| /* AIX 4.2 and above provides initialization and finalization function |
| support from linker command line. */ |
| #undef HAS_INIT_SECTION |
| #define HAS_INIT_SECTION |
| |
| #undef LD_INIT_SWITCH |
| #define LD_INIT_SWITCH "-binitfini" |
| |
| /* AIX 5.1 has the float and long double forms of math functions. */ |
| #undef TARGET_C99_FUNCTIONS |
| #define TARGET_C99_FUNCTIONS 1 |
| |