1 /* Definitions of target machine for GNU compiler,
2 for IBM RS/6000 POWER running AIX version 4.1.
3 Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
4 Contributed by David Edelsohn (edelsohn@npac.syr.edu).
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 {"xl-call", MASK_XL_CALL}, \
30 {"no-xl-call", - MASK_XL_CALL}, \
34 #include "rs6000/rs6000.h"
37 #define ASM_SPEC "-u %(asm_cpu)"
39 /* Common ASM definitions used by ASM_SPEC amonst the various targets
40 for handling -mcpu=xxx switches. */
43 #define ASM_CPU_SPEC \
45 %{mpower: %{!mpower2: -mpwr}} \
48 %{mno-power: %{!mpowerpc*: -mcom}} \
49 %{!mno-power: %{!mpower2: %(asm_default)}}} \
50 %{mcpu=common: -mcom} \
51 %{mcpu=power: -mpwr} \
52 %{mcpu=power2: -mpwr2} \
53 %{mcpu=powerpc: -mppc} \
55 %{mcpu=rios1: -mpwr} \
56 %{mcpu=rios2: -mpwr2} \
71 #define CPP_PREDEFINES "-D_IBMR2 -D_POWER -D_AIX -D_AIX32 -D_AIX41 \
72 -Asystem(unix) -Asystem(aix)"
75 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
76 %{mpe: -I/usr/lpp/ppe.poe/include}\
77 %{mthreads: -D_THREAD_SAFE}\
80 #undef CPP_DEFAULT_SPEC
81 #define CPP_DEFAULT_SPEC "-D_ARCH_COM"
83 #undef ASM_DEFAULT_SPEC
84 #define ASM_DEFAULT_SPEC "-mcom"
87 #define TARGET_DEFAULT MASK_NEW_MNEMONICS
89 #undef PROCESSOR_DEFAULT
90 #define PROCESSOR_DEFAULT PROCESSOR_PPC601
92 /* Define this macro as a C expression for the initializer of an
93 array of string to tell the driver program which options are
94 defaults for this target and thus do not need to be handled
95 specially when using `MULTILIB_OPTIONS'.
97 Do not define this macro if `MULTILIB_OPTIONS' is not defined in
98 the target makefile fragment or if none of the options listed in
99 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
101 #undef MULTILIB_DEFAULTS
102 #define MULTILIB_DEFAULTS { "mcpu=common" }
104 /* These are not necessary when we pass -u to the assembler, and undefining
105 them saves a great deal of space in object files. */
107 #undef ASM_OUTPUT_EXTERNAL
108 #undef ASM_OUTPUT_EXTERNAL_LIBCALL
109 #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
110 { rtx _symref = XEXP (DECL_RTL (DECL), 0); \
111 if ((TREE_CODE (DECL) == VAR_DECL \
112 || TREE_CODE (DECL) == FUNCTION_DECL) \
113 && (NAME)[strlen (NAME) - 1] != ']') \
115 char *_name = (char *) permalloc (strlen (XSTR (_symref, 0)) + 5); \
116 strcpy (_name, XSTR (_symref, 0)); \
117 strcat (_name, TREE_CODE (DECL) == FUNCTION_DECL ? "[DS]" : "[RW]"); \
118 XSTR (_symref, 0) = _name; \
123 #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\
124 %{p:-L/lib/profiled -L/usr/lib/profiled} %{!shared:%{g*:-lg}}\
125 %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
126 %{mthreads: -L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
130 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
131 %{static:-bnso %(link_syscalls) } %{!shared: %{g*: %(link_libg) }}\
132 %{shared:-bM:SRE %{!e:-bnoentry}}"
134 #undef STARTFILE_SPEC
135 #define STARTFILE_SPEC "%{!shared:\
136 %{mpe:%{pg:/usr/lpp/ppe.poe/lib/gcrt0.o}\
137 %{!pg:%{p:/usr/lpp/ppe.poe/lib/mcrt0.o}\
138 %{!p:/usr/lpp/ppe.poe/lib/crt0.o}}}\
140 %{mthreads:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
141 %{!mthreads:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"