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Diffstat (limited to 'contrib/gcc/config/rs6000/aix52.h')
| -rw-r--r-- | contrib/gcc/config/rs6000/aix52.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/contrib/gcc/config/rs6000/aix52.h b/contrib/gcc/config/rs6000/aix52.h new file mode 100644 index 0000000..b61cc30 --- /dev/null +++ b/contrib/gcc/config/rs6000/aix52.h @@ -0,0 +1,191 @@ +/* Definitions of target machine for GNU compiler, + for IBM RS/6000 POWER running AIX V5.2. + Copyright (C) 2002 Free Software Foundation, Inc. + Contributed by David Edelsohn (edelsohn@gnu.org). + +This file is part of GNU CC. + +GNU CC 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. + +GNU CC 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 GNU CC; 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 -mppc64} %(asm_cpu)" + +/* Common ASM definitions used by ASM_SPEC amonst the various targets + for handling -mcpu=xxx switches. */ +#undef ASM_CPU_SPEC +#define ASM_CPU_SPEC \ +"%{!mcpu*: %{!maix64: \ + %{mpowerpc64: -mppc64} \ + %{!mpower64: %(asm_default)}}} \ +%{mcpu=power3: -m604} \ +%{mcpu=power4: -m604} \ +%{mcpu=powerpc: -mppc} \ +%{mcpu=rs64a: -mppc} \ +%{mcpu=603: -m603} \ +%{mcpu=603e: -m603} \ +%{mcpu=604: -m604} \ +%{mcpu=604e: -m604} \ +%{mcpu=620: -mppc} \ +%{mcpu=630: -m604}" + +#undef ASM_DEFAULT_SPEC +#define ASM_DEFAULT_SPEC "-mppc" + +#undef TARGET_OS_CPP_BUILTINS +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + builtin_define ("_IBMR2"); \ + builtin_define ("_POWER"); \ + builtin_define ("_LONG_LONG"); \ + builtin_define ("_AIX"); \ + builtin_define ("_AIX32"); \ + builtin_define ("_AIX41"); \ + builtin_define ("_AIX43"); \ + builtin_define ("_AIX51"); \ + builtin_define ("_AIX52"); \ + builtin_assert ("system=unix"); \ + builtin_assert ("system=aix"); \ + } \ + 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_XOPEN_SOURCE=500 \ + -D_XOPEN_SOURCE_EXTENDED=1 \ + -D_LARGE_FILE_API \ + -D_ALL_SOURCE \ + %{maix64: -D__64BIT__} \ + %{mpe: -I/usr/lpp/ppe.poe/include} \ + %{pthread: -D_THREAD_SAFE}" + +#undef TARGET_DEFAULT +#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS) + +#undef PROCESSOR_DEFAULT +#define PROCESSOR_DEFAULT PROCESSOR_PPC630 +#undef PROCESSOR_DEFAULT64 +#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4 + +#undef TARGET_POWER +#define TARGET_POWER 0 + +/* 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 + +#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) +#define MAX_WCHAR_TYPE_SIZE 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" |
