1 /* Definitions of target machine for GNU compiler,
2 for IBM RS/6000 POWER running AIX version 4.3.
3 Copyright (C) 1998, 1999 Free Software Foundation, Inc.
4 Contributed by David Edelsohn (edelsohn@gnu.org).
6 This file is part of GNU CC.
8 GNU CC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 GNU CC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU CC; see the file COPYING. If not, write to
20 the Free Software Foundation, 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
24 /* Enable AIX XL compiler calling convention breakage compatibility. */
25 #define MASK_XL_CALL 0x40000000
26 #define TARGET_XL_CALL (target_flags & MASK_XL_CALL)
27 #undef SUBTARGET_SWITCHES
28 #define SUBTARGET_SWITCHES \
29 {"aix64", MASK_64BIT | MASK_POWERPC64 | MASK_POWERPC}, \
30 {"aix32", - (MASK_64BIT | MASK_POWERPC64)}, \
31 {"xl-call", MASK_XL_CALL}, \
32 {"no-xl-call", - MASK_XL_CALL}, \
36 /* Sometimes certain combinations of command options do not make sense
37 on a particular target machine. You can define a macro
38 `OVERRIDE_OPTIONS' to take account of this. This macro, if
39 defined, is executed once just after all the command options have
42 The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
45 #define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2 | MASK_STRING)
46 #define SUBTARGET_OVERRIDE_OPTIONS \
48 if (TARGET_64BIT && (target_flags & NON_POWERPC_MASKS)) \
50 target_flags &= ~NON_POWERPC_MASKS; \
51 error ("-maix64 and POWER architecture are incompatible."); \
55 #include "rs6000/rs6000.h"
58 #define ASM_SPEC "-u %{maix64:-a64 -mppc64} %(asm_cpu)"
60 /* Common ASM definitions used by ASM_SPEC amonst the various targets
61 for handling -mcpu=xxx switches. */
63 #define ASM_CPU_SPEC \
64 "%{!mcpu*: %{!maix64: \
65 %{mpower: %{!mpower2: -mpwr}} \
67 %{mpowerpc*: %{!mpowerpc64: -mppc}} \
68 %{mpowerpc64: -mppc64} \
69 %{!mpower*: %{!mpowerpc*: %(asm_default)}}}} \
70 %{mcpu=common: -mcom} \
71 %{mcpu=power: -mpwr} \
72 %{mcpu=power2: -mpwr2} \
73 %{mcpu=powerpc: -mppc} \
75 %{mcpu=rios1: -mpwr} \
76 %{mcpu=rios2: -mpwr2} \
91 #undef ASM_DEFAULT_SPEC
92 #define ASM_DEFAULT_SPEC "-mcom"
95 #define CPP_PREDEFINES "-D_IBMR2 -D_POWER -D_AIX -D_AIX32 -D_AIX41 -D_AIX43 \
96 -D_LONG_LONG -Asystem(unix) -Asystem(aix)"
99 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
100 %{maix64: -D__64BIT__ -D_ARCH_PPC}\
101 %{mpe: -I/usr/lpp/ppe.poe/include}\
102 %{mthreads: -D_THREAD_SAFE}\
105 /* Common CPP definitions used by CPP_SPEC among the various targets
106 for handling -mcpu=xxx switches. */
108 #define CPP_CPU_SPEC \
109 "%{!mcpu*: %{!maix64: \
110 %{mpower: %{!mpower2: -D_ARCH_PWR}} \
111 %{mpower2: -D_ARCH_PWR2} \
112 %{mpowerpc*: -D_ARCH_PPC} \
113 %{!mpower*: %{!mpowerpc*: %(cpp_default)}}}} \
114 %{mcpu=common: -D_ARCH_COM} \
115 %{mcpu=power: -D_ARCH_PWR} \
116 %{mcpu=power2: -D_ARCH_PWR2} \
117 %{mcpu=powerpc: -D_ARCH_PPC} \
118 %{mcpu=rios: -D_ARCH_PWR} \
119 %{mcpu=rios1: -D_ARCH_PWR} \
120 %{mcpu=rios2: -D_ARCH_PWR2} \
121 %{mcpu=rsc: -D_ARCH_PWR} \
122 %{mcpu=rsc1: -D_ARCH_PWR} \
123 %{mcpu=403: -D_ARCH_PPC} \
124 %{mcpu=505: -D_ARCH_PPC} \
125 %{mcpu=601: -D_ARCH_PPC -D_ARCH_PWR} \
126 %{mcpu=602: -D_ARCH_PPC} \
127 %{mcpu=603: -D_ARCH_PPC} \
128 %{mcpu=603e: -D_ARCH_PPC} \
129 %{mcpu=604: -D_ARCH_PPC} \
130 %{mcpu=620: -D_ARCH_PPC} \
131 %{mcpu=821: -D_ARCH_PPC} \
132 %{mcpu=860: -D_ARCH_PPC}"
134 #undef CPP_DEFAULT_SPEC
135 #define CPP_DEFAULT_SPEC "-D_ARCH_COM"
137 #undef TARGET_DEFAULT
138 #define TARGET_DEFAULT MASK_NEW_MNEMONICS
140 #undef PROCESSOR_DEFAULT
141 #define PROCESSOR_DEFAULT PROCESSOR_PPC604
143 /* Define this macro as a C expression for the initializer of an
144 array of string to tell the driver program which options are
145 defaults for this target and thus do not need to be handled
146 specially when using `MULTILIB_OPTIONS'.
148 Do not define this macro if `MULTILIB_OPTIONS' is not defined in
149 the target makefile fragment or if none of the options listed in
150 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
152 #undef MULTILIB_DEFAULTS
153 #define MULTILIB_DEFAULTS { "mcpu=common" }
155 /* These are not necessary when we pass -u to the assembler, and undefining
156 them saves a great deal of space in object files. */
158 #undef ASM_OUTPUT_EXTERNAL
159 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
160 #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
161 { rtx _symref = XEXP (DECL_RTL (DECL), 0); \
162 if ((TREE_CODE (DECL) == VAR_DECL \
163 || TREE_CODE (DECL) == FUNCTION_DECL) \
164 && (NAME)[strlen (NAME) - 1] != ']') \
166 char *_name = (char *) permalloc (strlen (XSTR (_symref, 0)) + 5); \
167 strcpy (_name, XSTR (_symref, 0)); \
168 strcat (_name, TREE_CODE (DECL) == FUNCTION_DECL ? "[DS]" : "[RW]"); \
169 XSTR (_symref, 0) = _name; \
174 #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\
175 %{p:-L/lib/profiled -L/usr/lib/profiled} %{!shared:%{g*:-lg}}\
176 %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
177 %{mthreads: -L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
181 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
182 %{static:-bnso %(link_syscalls) } %{!shared: %{g*: %(link_libg) }}\
183 %{shared:-bM:SRE %{!e:-bnoentry}} %{maix64:-b64}"
185 #undef STARTFILE_SPEC
186 #define STARTFILE_SPEC "%{!shared:\
187 %{mpe:%{pg:/usr/lpp/ppe.poe/lib/gcrt0.o}\
188 %{!pg:%{p:/usr/lpp/ppe.poe/lib/mcrt0.o}\
189 %{!p:/usr/lpp/ppe.poe/lib/crt0.o}}}\
191 %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\
193 %{mthreads:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
194 %{!mthreads:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}}"
196 /* AIX 4.3 typedefs ptrdiff_t as "long" while earlier releases used "int". */
199 #define PTRDIFF_TYPE "long int"