0
|
1 /* Definitions of target machine for GNU compiler,
|
|
2 for IBM RS/6000 POWER running AIX V6.1.
|
|
3 Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008
|
|
4 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 %{mpowerpc64: -mppc64} \
|
|
66 %{maltivec: -m970} \
|
|
67 %{!maltivec: %{!mpower64: %(asm_default)}}}} \
|
|
68 %{mcpu=power3: -m620} \
|
|
69 %{mcpu=power4: -mpwr4} \
|
|
70 %{mcpu=power5: -mpwr5} \
|
|
71 %{mcpu=power5+: -mpwr5x} \
|
|
72 %{mcpu=power6: -mpwr6} \
|
|
73 %{mcpu=power6x: -mpwr6} \
|
|
74 %{mcpu=powerpc: -mppc} \
|
|
75 %{mcpu=rs64a: -mppc} \
|
|
76 %{mcpu=603: -m603} \
|
|
77 %{mcpu=603e: -m603} \
|
|
78 %{mcpu=604: -m604} \
|
|
79 %{mcpu=604e: -m604} \
|
|
80 %{mcpu=620: -m620} \
|
|
81 %{mcpu=630: -m620} \
|
|
82 %{mcpu=970: -m970} \
|
|
83 %{mcpu=G5: -m970}"
|
|
84
|
|
85 #undef ASM_DEFAULT_SPEC
|
|
86 #define ASM_DEFAULT_SPEC "-mppc"
|
|
87
|
|
88 #undef TARGET_OS_CPP_BUILTINS
|
|
89 #define TARGET_OS_CPP_BUILTINS() \
|
|
90 do \
|
|
91 { \
|
|
92 builtin_define ("_AIX43"); \
|
|
93 builtin_define ("_AIX51"); \
|
|
94 builtin_define ("_AIX52"); \
|
|
95 builtin_define ("_AIX53"); \
|
|
96 builtin_define ("_AIX61"); \
|
|
97 TARGET_OS_AIX_CPP_BUILTINS (); \
|
|
98 } \
|
|
99 while (0)
|
|
100
|
|
101 #undef CPP_SPEC
|
|
102 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
|
|
103 %{ansi: -D_ANSI_C_SOURCE} \
|
|
104 %{maix64: -D__64BIT__} \
|
|
105 %{mpe: -I/usr/lpp/ppe.poe/include} \
|
|
106 %{pthread: -D_THREAD_SAFE}"
|
|
107
|
|
108 /* The GNU C++ standard library requires that these macros be
|
|
109 defined. Synchronize with libstdc++ os_defines.h. */
|
|
110 #undef CPLUSPLUS_CPP_SPEC
|
|
111 #define CPLUSPLUS_CPP_SPEC \
|
|
112 "-D_ALL_SOURCE -D__COMPATMATH__ \
|
|
113 %{maix64: -D__64BIT__} \
|
|
114 %{mpe: -I/usr/lpp/ppe.poe/include} \
|
|
115 %{pthread: -D_THREAD_SAFE}"
|
|
116
|
|
117 #undef TARGET_DEFAULT
|
|
118 #define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
|
|
119
|
|
120 #undef PROCESSOR_DEFAULT
|
|
121 #define PROCESSOR_DEFAULT PROCESSOR_POWER5
|
|
122 #undef PROCESSOR_DEFAULT64
|
|
123 #define PROCESSOR_DEFAULT64 PROCESSOR_POWER5
|
|
124
|
|
125 #undef TARGET_POWER
|
|
126 #define TARGET_POWER 0
|
|
127
|
|
128 /* Define this macro as a C expression for the initializer of an
|
|
129 array of string to tell the driver program which options are
|
|
130 defaults for this target and thus do not need to be handled
|
|
131 specially when using `MULTILIB_OPTIONS'.
|
|
132
|
|
133 Do not define this macro if `MULTILIB_OPTIONS' is not defined in
|
|
134 the target makefile fragment or if none of the options listed in
|
|
135 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
|
|
136
|
|
137 #undef MULTILIB_DEFAULTS
|
|
138
|
|
139 #undef LIB_SPEC
|
|
140 #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\
|
|
141 %{p:-L/lib/profiled -L/usr/lib/profiled}\
|
|
142 %{!maix64:%{!shared:%{g*:-lg}}}\
|
|
143 %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
|
|
144 %{pthread:-lpthreads} -lc"
|
|
145
|
|
146 #undef LINK_SPEC
|
|
147 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
|
|
148 %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
|
|
149 %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\
|
|
150 %{mpe:-binitfini:poe_remote_main}"
|
|
151
|
|
152 #undef STARTFILE_SPEC
|
|
153 #define STARTFILE_SPEC "%{!shared:\
|
|
154 %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\
|
|
155 %{!maix64:\
|
|
156 %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
|
|
157 %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
|
|
158
|
|
159 /* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */
|
|
160
|
|
161 #undef PTRDIFF_TYPE
|
|
162 #define PTRDIFF_TYPE "long int"
|
|
163
|
|
164 /* Type used for wchar_t, as a string used in a declaration. */
|
|
165 #undef WCHAR_TYPE
|
|
166 #define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int")
|
|
167
|
|
168 /* Width of wchar_t in bits. */
|
|
169 #undef WCHAR_TYPE_SIZE
|
|
170 #define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32)
|
|
171
|
|
172 /* AIX V5 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC
|
|
173 and "cror 31,31,31" for POWER architecture. */
|
|
174
|
|
175 #undef RS6000_CALL_GLUE
|
|
176 #define RS6000_CALL_GLUE "{cror 31,31,31|nop}"
|
|
177
|
|
178 /* AIX 4.2 and above provides initialization and finalization function
|
|
179 support from linker command line. */
|
|
180 #undef HAS_INIT_SECTION
|
|
181 #define HAS_INIT_SECTION
|
|
182
|
|
183 #undef LD_INIT_SWITCH
|
|
184 #define LD_INIT_SWITCH "-binitfini"
|
|
185
|
|
186 /* AIX 5.2 has the float and long double forms of math functions. */
|
|
187 #undef TARGET_C99_FUNCTIONS
|
|
188 #define TARGET_C99_FUNCTIONS 1
|
|
189
|
|
190 #ifndef _AIX52
|
|
191 extern long long int atoll(const char *);
|
|
192 #endif
|
|
193
|
|
194 /* This target uses the aix64.opt file. */
|
|
195 #define TARGET_USES_AIX64_OPT 1
|
|
196
|
|
197 /* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION,
|
|
198 but does not have crtbegin/end. */
|
|
199
|
|
200 #define TARGET_USE_JCR_SECTION 0
|
|
201
|
|
202 /* Default to 128 bit long double. */
|
|
203
|
|
204 #define RS6000_DEFAULT_LONG_DOUBLE_SIZE 128
|