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ca94e524 | 1 | /* Definitions of target machine for GNU compiler, |
93511cb4 | 2 | for IBM RS/6000 POWER running AIX V5.3. |
c28a7c24 | 3 | Copyright (C) 2002-2012 Free Software Foundation, Inc. |
ca94e524 DE |
4 | Contributed by David Edelsohn (edelsohn@gnu.org). |
5 | ||
6 | This file is part of GCC. | |
7 | ||
8 | GCC is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published | |
10 | by the Free Software Foundation; either version 3, or (at your | |
11 | option) any later version. | |
12 | ||
13 | GCC is distributed in the hope that it will be useful, but WITHOUT | |
14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
15 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
16 | License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GCC; see the file COPYING3. If not see | |
20 | <http://www.gnu.org/licenses/>. */ | |
21 | ||
c5387660 JM |
22 | /* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to |
23 | get control in TARGET_OPTION_OVERRIDE. */ | |
ca94e524 | 24 | |
ca94e524 DE |
25 | #define SUBTARGET_OVERRIDE_OPTIONS \ |
26 | do { \ | |
ca94e524 DE |
27 | if (TARGET_64BIT && ! TARGET_POWERPC64) \ |
28 | { \ | |
4d967549 | 29 | rs6000_isa_flags |= OPTION_MASK_POWERPC64; \ |
ca94e524 DE |
30 | warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \ |
31 | } \ | |
32 | if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128) \ | |
33 | { \ | |
34 | rs6000_long_double_type_size = 64; \ | |
c860fe8c | 35 | if (global_options_set.x_rs6000_long_double_type_size) \ |
ca94e524 DE |
36 | warning (0, "soft-float and long-double-128 are incompatible"); \ |
37 | } \ | |
38 | if (TARGET_POWERPC64 && ! TARGET_64BIT) \ | |
39 | { \ | |
40 | error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \ | |
41 | } \ | |
42 | } while (0); | |
43 | ||
44 | #undef ASM_SPEC | |
45 | #define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)" | |
46 | ||
cacf1ca8 MM |
47 | /* Common ASM definitions used by ASM_SPEC amongst the various targets for |
48 | handling -mcpu=xxx switches. There is a parallel list in driver-rs6000.c to | |
49 | provide the default assembler options if the user uses -mcpu=native, so if | |
50 | you make changes here, make them there also. */ | |
ca94e524 DE |
51 | #undef ASM_CPU_SPEC |
52 | #define ASM_CPU_SPEC \ | |
53 | "%{!mcpu*: %{!maix64: \ | |
54 | %{mpowerpc64: -mppc64} \ | |
55 | %{maltivec: -m970} \ | |
687e9f1f | 56 | %{!maltivec: %{!mpowerpc64: %(asm_default)}}}} \ |
cacf1ca8 | 57 | %{mcpu=native: %(asm_cpu_native)} \ |
ca94e524 DE |
58 | %{mcpu=power3: -m620} \ |
59 | %{mcpu=power4: -mpwr4} \ | |
60 | %{mcpu=power5: -mpwr5} \ | |
61 | %{mcpu=power5+: -mpwr5x} \ | |
62 | %{mcpu=power6: -mpwr6} \ | |
63 | %{mcpu=power6x: -mpwr6} \ | |
cacf1ca8 | 64 | %{mcpu=power7: -mpwr7} \ |
ca94e524 DE |
65 | %{mcpu=powerpc: -mppc} \ |
66 | %{mcpu=rs64a: -mppc} \ | |
67 | %{mcpu=603: -m603} \ | |
68 | %{mcpu=603e: -m603} \ | |
69 | %{mcpu=604: -m604} \ | |
70 | %{mcpu=604e: -m604} \ | |
71 | %{mcpu=620: -m620} \ | |
72 | %{mcpu=630: -m620} \ | |
73 | %{mcpu=970: -m970} \ | |
74 | %{mcpu=G5: -m970}" | |
75 | ||
76 | #undef ASM_DEFAULT_SPEC | |
77 | #define ASM_DEFAULT_SPEC "-mppc" | |
78 | ||
79 | #undef TARGET_OS_CPP_BUILTINS | |
80 | #define TARGET_OS_CPP_BUILTINS() \ | |
81 | do \ | |
82 | { \ | |
83 | builtin_define ("_AIX43"); \ | |
84 | builtin_define ("_AIX51"); \ | |
85 | builtin_define ("_AIX52"); \ | |
86 | builtin_define ("_AIX53"); \ | |
87 | TARGET_OS_AIX_CPP_BUILTINS (); \ | |
88 | } \ | |
89 | while (0) | |
90 | ||
91 | #undef CPP_SPEC | |
92 | #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ | |
93 | %{ansi: -D_ANSI_C_SOURCE} \ | |
94 | %{maix64: -D__64BIT__} \ | |
7f142d33 | 95 | %{mpe: -I%R/usr/lpp/ppe.poe/include} \ |
ca94e524 DE |
96 | %{pthread: -D_THREAD_SAFE}" |
97 | ||
98 | /* The GNU C++ standard library requires that these macros be | |
99 | defined. Synchronize with libstdc++ os_defines.h. */ | |
100 | #undef CPLUSPLUS_CPP_SPEC | |
101 | #define CPLUSPLUS_CPP_SPEC \ | |
102 | "-D_ALL_SOURCE \ | |
103 | %{maix64: -D__64BIT__} \ | |
7f142d33 | 104 | %{mpe: -I%R/usr/lpp/ppe.poe/include} \ |
ca94e524 DE |
105 | %{pthread: -D_THREAD_SAFE}" |
106 | ||
107 | #undef TARGET_DEFAULT | |
6b39bc38 | 108 | #define TARGET_DEFAULT 0 |
ca94e524 DE |
109 | |
110 | #undef PROCESSOR_DEFAULT | |
111 | #define PROCESSOR_DEFAULT PROCESSOR_POWER5 | |
112 | #undef PROCESSOR_DEFAULT64 | |
113 | #define PROCESSOR_DEFAULT64 PROCESSOR_POWER5 | |
114 | ||
ca94e524 DE |
115 | /* Define this macro as a C expression for the initializer of an |
116 | array of string to tell the driver program which options are | |
117 | defaults for this target and thus do not need to be handled | |
118 | specially when using `MULTILIB_OPTIONS'. | |
119 | ||
120 | Do not define this macro if `MULTILIB_OPTIONS' is not defined in | |
121 | the target makefile fragment or if none of the options listed in | |
122 | `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ | |
123 | ||
124 | #undef MULTILIB_DEFAULTS | |
125 | ||
126 | #undef LIB_SPEC | |
7f142d33 RS |
127 | #define LIB_SPEC "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\ |
128 | %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\ | |
ca94e524 | 129 | %{!maix64:%{!shared:%{g*:-lg}}}\ |
7f142d33 | 130 | %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ |
ca94e524 DE |
131 | %{pthread:-lpthreads} -lc" |
132 | ||
133 | #undef LINK_SPEC | |
134 | #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\ | |
135 | %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ | |
136 | %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ | |
137 | %{mpe:-binitfini:poe_remote_main}" | |
138 | ||
139 | #undef STARTFILE_SPEC | |
140 | #define STARTFILE_SPEC "%{!shared:\ | |
141 | %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ | |
142 | %{!maix64:\ | |
143 | %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ | |
144 | %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}" | |
145 | ||
146 | /* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */ | |
147 | ||
148 | #undef PTRDIFF_TYPE | |
149 | #define PTRDIFF_TYPE "long int" | |
150 | ||
151 | /* Type used for wchar_t, as a string used in a declaration. */ | |
152 | #undef WCHAR_TYPE | |
153 | #define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int") | |
154 | ||
155 | /* Width of wchar_t in bits. */ | |
156 | #undef WCHAR_TYPE_SIZE | |
157 | #define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32) | |
158 | ||
ca94e524 DE |
159 | /* AIX 4.2 and above provides initialization and finalization function |
160 | support from linker command line. */ | |
161 | #undef HAS_INIT_SECTION | |
162 | #define HAS_INIT_SECTION | |
163 | ||
164 | #undef LD_INIT_SWITCH | |
165 | #define LD_INIT_SWITCH "-binitfini" | |
166 | ||
167 | /* AIX 5.2 has the float and long double forms of math functions. */ | |
168 | #undef TARGET_C99_FUNCTIONS | |
169 | #define TARGET_C99_FUNCTIONS 1 | |
170 | ||
171 | #ifndef _AIX52 | |
172 | extern long long int atoll(const char *); | |
173 | #endif | |
174 | ||
175 | /* This target uses the aix64.opt file. */ | |
176 | #define TARGET_USES_AIX64_OPT 1 | |
ee06c6a5 DE |
177 | |
178 | /* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION, | |
179 | but does not have crtbegin/end. */ | |
180 | ||
181 | #define TARGET_USE_JCR_SECTION 0 | |
dfb636dc RS |
182 | |
183 | #define TARGET_AIX_VERSION 53 |