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[PATCH,committed] AIX 5.3 support
- From: David Edelsohn <dje at watson dot ibm dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Sat, 13 Oct 2007 17:45:56 -0400
- Subject: [PATCH,committed] AIX 5.3 support
This patch adds support for AIX 5.3. The AIX 5.3 assembler adds
support for POWER4, POWER5, POWER5+, POWER6, and PPC970. AIX 5.3 adds
support for VMX.
Bootstrapped and regression tested on powerpc-ibm-aix5.3.0.0
David
* config/rs6000/aix53.h: New file.
* config/rs6000/aix{41,43,51,52}.h (TARGET_ALTIVEC): Define to 0.
(TARGET_ALTIVEC_ABI): Same.
* config/rs6000/aix.h (TARGET_ALTIVEC): Delete.
(TARGET_ALTIVEC_ABI): Delete.
* config.gcc (powerpc-ibm-aix5*): Rename to aix5.2. Add new
stanza defaulting to aix5.3.
Index: aix53.h
===================================================================
--- aix53.h (revision 0)
+++ aix53.h (revision 0)
@@ -0,0 +1,194 @@
+/* Definitions of target machine for GNU compiler,
+ for IBM RS/6000 POWER running AIX V5.2.
+ Copyright (C) 2002, 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
+ `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 (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);
+
+#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: \
+ %{mpowerpc64: -mppc64} \
+ %{maltivec: -m970} \
+ %{!maltivec: %{!mpower64: %(asm_default)}}}} \
+%{mcpu=power3: -m620} \
+%{mcpu=power4: -mpwr4} \
+%{mcpu=power5: -mpwr5} \
+%{mcpu=power5+: -mpwr5x} \
+%{mcpu=power6: -mpwr6} \
+%{mcpu=power6x: -mpwr6} \
+%{mcpu=powerpc: -mppc} \
+%{mcpu=rs64a: -mppc} \
+%{mcpu=603: -m603} \
+%{mcpu=603e: -m603} \
+%{mcpu=604: -m604} \
+%{mcpu=604e: -m604} \
+%{mcpu=620: -m620} \
+%{mcpu=630: -m620} \
+%{mcpu=970: -m970} \
+%{mcpu=G5: -m970}"
+
+#undef ASM_DEFAULT_SPEC
+#define ASM_DEFAULT_SPEC "-mppc"
+
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("_AIX43"); \
+ builtin_define ("_AIX51"); \
+ builtin_define ("_AIX52"); \
+ builtin_define ("_AIX53"); \
+ 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. Synchronize with libstdc++ os_defines.h. */
+#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_POWERPC | MASK_NEW_MNEMONICS)
+
+#undef PROCESSOR_DEFAULT
+#define PROCESSOR_DEFAULT PROCESSOR_POWER5
+#undef PROCESSOR_DEFAULT64
+#define PROCESSOR_DEFAULT64 PROCESSOR_POWER5
+
+#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)
+
+/* 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 5.2 has the float and long double forms of math functions. */
+#undef TARGET_C99_FUNCTIONS
+#define TARGET_C99_FUNCTIONS 1
+
+#ifndef _AIX52
+extern long long int atoll(const char *);
+#endif
+
+/* This target uses the aix64.opt file. */
+#define TARGET_USES_AIX64_OPT 1
Index: aix41.h
===================================================================
--- aix41.h (revision 129281)
+++ aix41.h (working copy)
@@ -47,6 +47,12 @@
#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
Index: aix.h
===================================================================
--- aix.h (revision 129281)
+++ aix.h (working copy)
@@ -36,11 +36,6 @@
#undef STACK_BOUNDARY
#define STACK_BOUNDARY 128
-/* AIX does not support Altivec. */
-#undef TARGET_ALTIVEC
-#define TARGET_ALTIVEC 0
-#undef TARGET_ALTIVEC_ABI
-#define TARGET_ALTIVEC_ABI 0
#undef TARGET_IEEEQUAD
#define TARGET_IEEEQUAD 0
Index: aix51.h
===================================================================
--- aix51.h (revision 129281)
+++ aix51.h (working copy)
@@ -118,6 +118,12 @@
#undef PROCESSOR_DEFAULT
#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
defaults for this target and thus do not need to be handled
Index: aix43.h
===================================================================
--- aix43.h (revision 129281)
+++ aix43.h (working copy)
@@ -122,6 +122,12 @@
#undef PROCESSOR_DEFAULT
#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
defaults for this target and thus do not need to be handled
Index: aix52.h
===================================================================
--- aix52.h (revision 129281)
+++ aix52.h (working copy)
@@ -122,6 +122,12 @@
#undef TARGET_POWER
#define TARGET_POWER 0
+/* 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
Index: config.gcc
===================================================================
--- config.gcc (revision 129281)
+++ config.gcc (working copy)
@@ -2085,7 +2085,7 @@
thread_file='aix'
extra_headers=
;;
-rs6000-ibm-aix[56789].* | powerpc-ibm-aix[56789].*)
+rs6000-ibm-aix5.2.* | powerpc-ibm-aix5.2.*)
tm_file="${tm_file} rs6000/aix.h rs6000/aix52.h rs6000/xcoff.h"
tmake_file=rs6000/t-aix52
extra_options="${extra_options} rs6000/aix64.opt"
@@ -2093,6 +2093,14 @@
thread_file='aix'
extra_headers=
;;
+rs6000-ibm-aix[56789].* | powerpc-ibm-aix[56789].*)
+ tm_file="${tm_file} rs6000/aix.h rs6000/aix53.h rs6000/xcoff.h"
+ tmake_file=rs6000/t-aix52
+ extra_options="${extra_options} rs6000/aix64.opt"
+ use_collect2=yes
+ thread_file='aix'
+ extra_headers=
+ ;;
s390-*-linux*)
tm_file="s390/s390.h dbxelf.h elfos.h svr4.h linux.h s390/linux.h"
tmake_file="${tmake_file} t-dfprules s390/t-crtstuff s390/t-linux"