--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/rs6000/aix41.h	Fri Jul 17 14:47:48 2009 +0900
@@ -0,0 +1,101 @@
+/* Definitions of target machine for GNU compiler,
+   for IBM RS/6000 POWER running AIX version 4.1.
+   Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004,
+   2005, 2007
+   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 3, 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 COPYING3.  If not see
+   <http://www.gnu.org/licenses/>.  */
+
+#undef ASM_SPEC
+#define ASM_SPEC "-u %(asm_cpu)"
+
+#undef	ASM_DEFAULT_SPEC
+#define ASM_DEFAULT_SPEC "-mcom"
+
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()     \
+  do                                 \
+    {                                \
+      TARGET_OS_AIX_CPP_BUILTINS (); \
+    }                                \
+  while (0)
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
+   %{ansi: -D_ANSI_C_SOURCE}\
+   %{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_PPC601
+
+/* AIX does not support Altivec.  */
+#undef  TARGET_ALTIVEC
+#define TARGET_ALTIVEC 0
+#undef  TARGET_ALTIVEC_ABI
+#define TARGET_ALTIVEC_ABI 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
+#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} %{!shared:%{g*:-lg}}\
+   %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
+   %{pthread: -L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
+   %{!pthread: -lc}"
+
+#undef LINK_SPEC
+#define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
+   %{static:-bnso %(link_syscalls) } %{!shared: %{g*: %(link_libg) }}\
+   %{shared:-bM:SRE %{!e:-bnoentry}}"
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "%{!shared:\
+   %{mpe:%{pg:/usr/lpp/ppe.poe/lib/gcrt0.o}\
+         %{!pg:%{p:/usr/lpp/ppe.poe/lib/mcrt0.o}\
+               %{!p:/usr/lpp/ppe.poe/lib/crt0.o}}}\
+   %{!mpe:\
+     %{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 4 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}"
+
+/* The IBM AIX 4.x assembler doesn't support forward references in
+   .set directives.  We handle this by deferring the output of .set
+   directives to the end of the compilation unit.  */
+#define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) true
+
+#undef TARGET_64BIT
+#define TARGET_64BIT 0