Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/rs6000/aix61.h @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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children | 77e2b8dfacca |
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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 |