| 1 |
38 |
julius |
/* Definitions of target machine for GNU compiler,
|
| 2 |
|
|
for IBM RS/6000 POWER running AIX version 4.3.
|
| 3 |
|
|
Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006,
|
| 4 |
|
|
2007 Free Software Foundation, Inc.
|
| 5 |
|
|
Contributed by David Edelsohn (edelsohn@gnu.org).
|
| 6 |
|
|
|
| 7 |
|
|
This file is part of GCC.
|
| 8 |
|
|
|
| 9 |
|
|
GCC is free software; you can redistribute it and/or modify it
|
| 10 |
|
|
under the terms of the GNU General Public License as published
|
| 11 |
|
|
by the Free Software Foundation; either version 3, or (at your
|
| 12 |
|
|
option) any later version.
|
| 13 |
|
|
|
| 14 |
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT
|
| 15 |
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
| 16 |
|
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
|
| 17 |
|
|
License for more details.
|
| 18 |
|
|
|
| 19 |
|
|
You should have received a copy of the GNU General Public License
|
| 20 |
|
|
along with GCC; see the file COPYING3. If not see
|
| 21 |
|
|
<http://www.gnu.org/licenses/>. */
|
| 22 |
|
|
|
| 23 |
|
|
/* Sometimes certain combinations of command options do not make sense
|
| 24 |
|
|
on a particular target machine. You can define a macro
|
| 25 |
|
|
`OVERRIDE_OPTIONS' to take account of this. This macro, if
|
| 26 |
|
|
defined, is executed once just after all the command options have
|
| 27 |
|
|
been parsed.
|
| 28 |
|
|
|
| 29 |
|
|
The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
|
| 30 |
|
|
get control. */
|
| 31 |
|
|
|
| 32 |
|
|
#define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2)
|
| 33 |
|
|
#define SUBTARGET_OVERRIDE_OPTIONS \
|
| 34 |
|
|
do { \
|
| 35 |
|
|
if (TARGET_64BIT && (target_flags & NON_POWERPC_MASKS)) \
|
| 36 |
|
|
{ \
|
| 37 |
|
|
target_flags &= ~NON_POWERPC_MASKS; \
|
| 38 |
|
|
warning (0, "-maix64 and POWER architecture are incompatible"); \
|
| 39 |
|
|
} \
|
| 40 |
|
|
if (TARGET_64BIT && ! TARGET_POWERPC64) \
|
| 41 |
|
|
{ \
|
| 42 |
|
|
target_flags |= MASK_POWERPC64; \
|
| 43 |
|
|
warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \
|
| 44 |
|
|
} \
|
| 45 |
|
|
if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128) \
|
| 46 |
|
|
{ \
|
| 47 |
|
|
rs6000_long_double_type_size = 64; \
|
| 48 |
|
|
if (rs6000_explicit_options.long_double) \
|
| 49 |
|
|
warning (0, "soft-float and long-double-128 are incompatible"); \
|
| 50 |
|
|
} \
|
| 51 |
|
|
if (TARGET_POWERPC64 && ! TARGET_64BIT) \
|
| 52 |
|
|
{ \
|
| 53 |
|
|
error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \
|
| 54 |
|
|
} \
|
| 55 |
|
|
} while (0);
|
| 56 |
|
|
|
| 57 |
|
|
#undef ASM_SPEC
|
| 58 |
|
|
#define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)"
|
| 59 |
|
|
|
| 60 |
|
|
/* Common ASM definitions used by ASM_SPEC amongst the various targets
|
| 61 |
|
|
for handling -mcpu=xxx switches. */
|
| 62 |
|
|
#undef ASM_CPU_SPEC
|
| 63 |
|
|
#define ASM_CPU_SPEC \
|
| 64 |
|
|
"%{!mcpu*: %{!maix64: \
|
| 65 |
|
|
%{mpower: %{!mpower2: -mpwr}} \
|
| 66 |
|
|
%{mpower2: -mpwr2} \
|
| 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=power3: -m620} \
|
| 74 |
|
|
%{mcpu=power4: -m620} \
|
| 75 |
|
|
%{mcpu=powerpc: -mppc} \
|
| 76 |
|
|
%{mcpu=rios: -mpwr} \
|
| 77 |
|
|
%{mcpu=rios1: -mpwr} \
|
| 78 |
|
|
%{mcpu=rios2: -mpwr2} \
|
| 79 |
|
|
%{mcpu=rsc: -mpwr} \
|
| 80 |
|
|
%{mcpu=rsc1: -mpwr} \
|
| 81 |
|
|
%{mcpu=rs64a: -mppc} \
|
| 82 |
|
|
%{mcpu=601: -m601} \
|
| 83 |
|
|
%{mcpu=602: -mppc} \
|
| 84 |
|
|
%{mcpu=603: -m603} \
|
| 85 |
|
|
%{mcpu=603e: -m603} \
|
| 86 |
|
|
%{mcpu=604: -m604} \
|
| 87 |
|
|
%{mcpu=604e: -m604} \
|
| 88 |
|
|
%{mcpu=620: -m620} \
|
| 89 |
|
|
%{mcpu=630: -m620}"
|
| 90 |
|
|
|
| 91 |
|
|
#undef ASM_DEFAULT_SPEC
|
| 92 |
|
|
#define ASM_DEFAULT_SPEC "-mcom"
|
| 93 |
|
|
|
| 94 |
|
|
#undef TARGET_OS_CPP_BUILTINS
|
| 95 |
|
|
#define TARGET_OS_CPP_BUILTINS() \
|
| 96 |
|
|
do \
|
| 97 |
|
|
{ \
|
| 98 |
|
|
builtin_define ("_AIX43"); \
|
| 99 |
|
|
TARGET_OS_AIX_CPP_BUILTINS (); \
|
| 100 |
|
|
} \
|
| 101 |
|
|
while (0)
|
| 102 |
|
|
|
| 103 |
|
|
#undef CPP_SPEC
|
| 104 |
|
|
#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
|
| 105 |
|
|
%{ansi: -D_ANSI_C_SOURCE}\
|
| 106 |
|
|
%{maix64: -D__64BIT__}\
|
| 107 |
|
|
%{mpe: -I/usr/lpp/ppe.poe/include}\
|
| 108 |
|
|
%{pthread: -D_THREAD_SAFE}"
|
| 109 |
|
|
|
| 110 |
|
|
/* The GNU C++ standard library requires that these macros be
|
| 111 |
|
|
defined. */
|
| 112 |
|
|
#undef CPLUSPLUS_CPP_SPEC
|
| 113 |
|
|
#define CPLUSPLUS_CPP_SPEC \
|
| 114 |
|
|
"-D_ALL_SOURCE \
|
| 115 |
|
|
%{maix64: -D__64BIT__} \
|
| 116 |
|
|
%{mpe: -I/usr/lpp/ppe.poe/include} \
|
| 117 |
|
|
%{pthread: -D_THREAD_SAFE}"
|
| 118 |
|
|
|
| 119 |
|
|
#undef TARGET_DEFAULT
|
| 120 |
|
|
#define TARGET_DEFAULT MASK_NEW_MNEMONICS
|
| 121 |
|
|
|
| 122 |
|
|
#undef PROCESSOR_DEFAULT
|
| 123 |
|
|
#define PROCESSOR_DEFAULT PROCESSOR_PPC604e
|
| 124 |
|
|
|
| 125 |
|
|
/* Define this macro as a C expression for the initializer of an
|
| 126 |
|
|
array of string to tell the driver program which options are
|
| 127 |
|
|
defaults for this target and thus do not need to be handled
|
| 128 |
|
|
specially when using `MULTILIB_OPTIONS'.
|
| 129 |
|
|
|
| 130 |
|
|
Do not define this macro if `MULTILIB_OPTIONS' is not defined in
|
| 131 |
|
|
the target makefile fragment or if none of the options listed in
|
| 132 |
|
|
`MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
|
| 133 |
|
|
|
| 134 |
|
|
#undef MULTILIB_DEFAULTS
|
| 135 |
|
|
#define MULTILIB_DEFAULTS { "mcpu=common" }
|
| 136 |
|
|
|
| 137 |
|
|
#undef LIB_SPEC
|
| 138 |
|
|
#define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\
|
| 139 |
|
|
%{p:-L/lib/profiled -L/usr/lib/profiled}\
|
| 140 |
|
|
%{!maix64:%{!shared:%{g*:-lg}}}\
|
| 141 |
|
|
%{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
|
| 142 |
|
|
%{pthread:-L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
|
| 143 |
|
|
%{!pthread:-lc}"
|
| 144 |
|
|
|
| 145 |
|
|
#undef LINK_SPEC
|
| 146 |
|
|
#define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
|
| 147 |
|
|
%{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
|
| 148 |
|
|
%{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\
|
| 149 |
|
|
%{mpe:-binitfini:poe_remote_main}"
|
| 150 |
|
|
|
| 151 |
|
|
#undef STARTFILE_SPEC
|
| 152 |
|
|
#define STARTFILE_SPEC "%{!shared:\
|
| 153 |
|
|
%{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\
|
| 154 |
|
|
%{!maix64:\
|
| 155 |
|
|
%{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
|
| 156 |
|
|
%{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
|
| 157 |
|
|
|
| 158 |
|
|
/* AIX 4.3 typedefs ptrdiff_t as "long" while earlier releases used "int". */
|
| 159 |
|
|
|
| 160 |
|
|
#undef PTRDIFF_TYPE
|
| 161 |
|
|
#define PTRDIFF_TYPE "long int"
|
| 162 |
|
|
|
| 163 |
|
|
/* AIX 4 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC
|
| 164 |
|
|
and "cror 31,31,31" for POWER architecture. */
|
| 165 |
|
|
|
| 166 |
|
|
#undef RS6000_CALL_GLUE
|
| 167 |
|
|
#define RS6000_CALL_GLUE "{cror 31,31,31|nop}"
|
| 168 |
|
|
|
| 169 |
|
|
/* AIX 4.2 and above provides initialization and finalization function
|
| 170 |
|
|
support from linker command line. */
|
| 171 |
|
|
#undef HAS_INIT_SECTION
|
| 172 |
|
|
#define HAS_INIT_SECTION
|
| 173 |
|
|
|
| 174 |
|
|
#undef LD_INIT_SWITCH
|
| 175 |
|
|
#define LD_INIT_SWITCH "-binitfini"
|
| 176 |
|
|
|
| 177 |
|
|
/* The IBM AIX 4.x assembler doesn't support forward references in
|
| 178 |
|
|
.set directives. We handle this by deferring the output of .set
|
| 179 |
|
|
directives to the end of the compilation unit. */
|
| 180 |
|
|
#define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) true
|
| 181 |
|
|
|
| 182 |
|
|
/* This target uses the aix64.opt file. */
|
| 183 |
|
|
#define TARGET_USES_AIX64_OPT 1
|
