/* Definitions of target machine for GNU compiler,
for IBM RS/6000 POWER running AIX version 4.3.
- Copyright (C) 1998 Free Software Foundation, Inc.
- Contributed by David Edelsohn (edelsohn@mhpcc.edu).
-
-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. */
-
-
-/* Enable AIX XL compiler calling convention breakage compatibility. */
-#define MASK_XL_CALL 0x40000000
-#define TARGET_XL_CALL (target_flags & MASK_XL_CALL)
-#undef SUBTARGET_SWITCHES
-#define SUBTARGET_SWITCHES \
- {"aix64", MASK_64BIT | MASK_POWERPC64 | MASK_POWERPC}, \
- {"aix32", - (MASK_64BIT | MASK_POWERPC64)}, \
- {"xl-call", MASK_XL_CALL}, \
- {"no-xl-call", - MASK_XL_CALL}, \
- {"threads", 0}, \
- {"pe", 0},
+ Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
+ 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/>. */
/* Sometimes certain combinations of command options do not make sense
on a particular target machine. You can define a macro
The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
get control. */
-#define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2 | MASK_STRING)
+#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; \
- error ("-maix64 and POWER architecture are incompatible."); \
+ warning (0, "-maix64 and POWER architecture are incompatible"); \
+ } \
+ if (TARGET_64BIT && ! TARGET_POWERPC64) \
+ { \
+ target_flags |= MASK_POWERPC64; \
+ warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \
+ } \
+ if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128) \
+ { \
+ rs6000_long_double_type_size = 64; \
+ if (rs6000_explicit_options.long_double) \
+ warning (0, "soft-float and long-double-128 are incompatible"); \
+ } \
+ if (TARGET_POWERPC64 && ! TARGET_64BIT) \
+ { \
+ error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \
} \
} while (0);
-#include "rs6000/rs6000.h"
-
#undef ASM_SPEC
-#define ASM_SPEC "-u %{maix64:-a64 -mppc64} %(asm_cpu)"
+#define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)"
-/* Common ASM definitions used by ASM_SPEC amonst the various targets
+/* 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=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=403: -mppc} \
-%{mcpu=505: -mppc} \
+%{mcpu=rs64a: -mppc} \
%{mcpu=601: -m601} \
%{mcpu=602: -mppc} \
%{mcpu=603: -m603} \
%{mcpu=603e: -m603} \
%{mcpu=604: -m604} \
-%{mcpu=620: -mppc} \
-%{mcpu=821: -mppc} \
-%{mcpu=860: -mppc}"
+%{mcpu=604e: -m604} \
+%{mcpu=620: -m620} \
+%{mcpu=630: -m620}"
#undef ASM_DEFAULT_SPEC
#define ASM_DEFAULT_SPEC "-mcom"
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D_IBMR2 -D_POWER -D_AIX -D_AIX32 -D_AIX41 -D_AIX43 \
--D_LONG_LONG -Asystem(unix) -Asystem(aix)"
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("_AIX43"); \
+ TARGET_OS_AIX_CPP_BUILTINS (); \
+ } \
+ while (0)
#undef CPP_SPEC
#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
- %{maix64: -D__64BIT__ -D_ARCH_PPC}\
+ %{ansi: -D_ANSI_C_SOURCE}\
+ %{maix64: -D__64BIT__}\
%{mpe: -I/usr/lpp/ppe.poe/include}\
- %{mthreads: -D_THREAD_SAFE}\
- %(cpp_cpu)"
+ %{pthread: -D_THREAD_SAFE}"
-/* Common CPP definitions used by CPP_SPEC among the various targets
- for handling -mcpu=xxx switches. */
-#undef CPP_CPU_SPEC
-#define CPP_CPU_SPEC \
-"%{!mcpu*: %{!maix64: \
- %{mpower: %{!mpower2: -D_ARCH_PWR}} \
- %{mpower2: -D_ARCH_PWR2} \
- %{mpowerpc*: -D_ARCH_PPC} \
- %{!mpower*: %{!mpowerpc*: %(cpp_default)}}}} \
-%{mcpu=common: -D_ARCH_COM} \
-%{mcpu=power: -D_ARCH_PWR} \
-%{mcpu=power2: -D_ARCH_PWR2} \
-%{mcpu=powerpc: -D_ARCH_PPC} \
-%{mcpu=rios: -D_ARCH_PWR} \
-%{mcpu=rios1: -D_ARCH_PWR} \
-%{mcpu=rios2: -D_ARCH_PWR2} \
-%{mcpu=rsc: -D_ARCH_PWR} \
-%{mcpu=rsc1: -D_ARCH_PWR} \
-%{mcpu=403: -D_ARCH_PPC} \
-%{mcpu=505: -D_ARCH_PPC} \
-%{mcpu=601: -D_ARCH_PPC -D_ARCH_PWR} \
-%{mcpu=602: -D_ARCH_PPC} \
-%{mcpu=603: -D_ARCH_PPC} \
-%{mcpu=603e: -D_ARCH_PPC} \
-%{mcpu=604: -D_ARCH_PPC} \
-%{mcpu=620: -D_ARCH_PPC} \
-%{mcpu=821: -D_ARCH_PPC} \
-%{mcpu=860: -D_ARCH_PPC}"
-
-#undef CPP_DEFAULT_SPEC
-#define CPP_DEFAULT_SPEC "-D_ARCH_COM"
+/* 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_PPC604
+#define PROCESSOR_DEFAULT PROCESSOR_PPC604e
+
+/* 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
#undef MULTILIB_DEFAULTS
#define MULTILIB_DEFAULTS { "mcpu=common" }
-/* These are not necessary when we pass -u to the assembler, and undefining
- them saves a great deal of space in object files. */
-
-#undef ASM_OUTPUT_EXTERNAL
-#undef ASM_OUTPUT_EXTERNAL_LIBCALL
-#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
-{ rtx _symref = XEXP (DECL_RTL (DECL), 0); \
- if ((TREE_CODE (DECL) == VAR_DECL \
- || TREE_CODE (DECL) == FUNCTION_DECL) \
- && (NAME)[strlen (NAME) - 1] != ']') \
- { \
- char *_name = (char *) permalloc (strlen (XSTR (_symref, 0)) + 5); \
- strcpy (_name, XSTR (_symref, 0)); \
- strcat (_name, TREE_CODE (DECL) == FUNCTION_DECL ? "[DS]" : "[RW]"); \
- XSTR (_symref, 0) = _name; \
- } \
-}
-
#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}}\
+ %{p:-L/lib/profiled -L/usr/lib/profiled}\
+ %{!maix64:%{!shared:%{g*:-lg}}}\
%{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
- %{mthreads: -L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
- %{!mthreads: -lc}"
+ %{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}} %{maix64:-b64}"
+ %{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:\
- %{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:\
- %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\
- %{!maix64:\
- %{mthreads:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
- %{!mthreads:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}}"
+ %{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 4.3 typedefs ptrdiff_t as "long" while earlier releases used "int". */
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "long int"
+/* 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}"
+
+/* 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"
+
+/* 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
+
+/* This target uses the aix64.opt file. */
+#define TARGET_USES_AIX64_OPT 1