* config/rs6000/aix52.h: New file.

        * config/rs6000/t-aix52: New File.
        * config.gcc (rs6000-ibm-aix5.1.*): New entry.
        (rs6000-ibm-aix[56789].*): Default to AIX 5.2.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58021 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 191 insertions, 0 deletions

diff --git a/gcc/config/rs6000/aix52.h b/gcc/config/rs6000/aix52.h
new file mode 100644
index 00000000000..b61cc3057e2
--- /dev/null
+++ b/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"