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comparison gcc/config/rs6000/aix61.h @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children 77e2b8dfacca
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-1:000000000000 0:a06113de4d67
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