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a260abc9 DE |
1 | /* Definitions of target machine for GNU compiler, |
2 | for IBM RS/6000 POWER running AIX version 4.3. | |
2f83c7d6 NC |
3 | Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, |
4 | 2007 Free Software Foundation, Inc. | |
b9ae3471 | 5 | Contributed by David Edelsohn (edelsohn@gnu.org). |
a260abc9 | 6 | |
5de601cf | 7 | This file is part of GCC. |
a260abc9 | 8 | |
5de601cf NC |
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 | |
2f83c7d6 | 11 | by the Free Software Foundation; either version 3, or (at your |
5de601cf | 12 | option) any later version. |
a260abc9 | 13 | |
5de601cf NC |
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. | |
a260abc9 | 18 | |
5de601cf | 19 | You should have received a copy of the GNU General Public License |
2f83c7d6 NC |
20 | along with GCC; see the file COPYING3. If not see |
21 | <http://www.gnu.org/licenses/>. */ | |
a260abc9 | 22 | |
a260abc9 DE |
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 | ||
09a625f7 | 32 | #define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2) |
a260abc9 DE |
33 | #define SUBTARGET_OVERRIDE_OPTIONS \ |
34 | do { \ | |
35 | if (TARGET_64BIT && (target_flags & NON_POWERPC_MASKS)) \ | |
36 | { \ | |
37 | target_flags &= ~NON_POWERPC_MASKS; \ | |
d4ee4d25 | 38 | warning (0, "-maix64 and POWER architecture are incompatible"); \ |
bf034054 | 39 | } \ |
53cd5d6c | 40 | if (TARGET_64BIT && ! TARGET_POWERPC64) \ |
bf034054 DE |
41 | { \ |
42 | target_flags |= MASK_POWERPC64; \ | |
d4ee4d25 | 43 | warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \ |
a260abc9 | 44 | } \ |
3d538bae DE |
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 | } \ | |
53cd5d6c DE |
51 | if (TARGET_POWERPC64 && ! TARGET_64BIT) \ |
52 | { \ | |
c725bd79 | 53 | error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \ |
53cd5d6c | 54 | } \ |
a260abc9 DE |
55 | } while (0); |
56 | ||
a260abc9 | 57 | #undef ASM_SPEC |
30e7f17e | 58 | #define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)" |
a260abc9 | 59 | |
b6d08ca1 | 60 | /* Common ASM definitions used by ASM_SPEC amongst the various targets |
a260abc9 DE |
61 | for handling -mcpu=xxx switches. */ |
62 | #undef ASM_CPU_SPEC | |
63 | #define ASM_CPU_SPEC \ | |
c71791e0 | 64 | "%{!mcpu*: %{!maix64: \ |
a260abc9 DE |
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} \ | |
30e7f17e DE |
73 | %{mcpu=power3: -m620} \ |
74 | %{mcpu=power4: -m620} \ | |
a260abc9 DE |
75 | %{mcpu=powerpc: -mppc} \ |
76 | %{mcpu=rios: -mpwr} \ | |
77 | %{mcpu=rios1: -mpwr} \ | |
78 | %{mcpu=rios2: -mpwr2} \ | |
79 | %{mcpu=rsc: -mpwr} \ | |
80 | %{mcpu=rsc1: -mpwr} \ | |
3cb999d8 | 81 | %{mcpu=rs64a: -mppc} \ |
a260abc9 DE |
82 | %{mcpu=601: -m601} \ |
83 | %{mcpu=602: -mppc} \ | |
84 | %{mcpu=603: -m603} \ | |
85 | %{mcpu=603e: -m603} \ | |
86 | %{mcpu=604: -m604} \ | |
b9ae3471 | 87 | %{mcpu=604e: -m604} \ |
30e7f17e DE |
88 | %{mcpu=620: -m620} \ |
89 | %{mcpu=630: -m620}" | |
a260abc9 DE |
90 | |
91 | #undef ASM_DEFAULT_SPEC | |
92 | #define ASM_DEFAULT_SPEC "-mcom" | |
93 | ||
7990b46f | 94 | #undef TARGET_OS_CPP_BUILTINS |
bb904c1a DE |
95 | #define TARGET_OS_CPP_BUILTINS() \ |
96 | do \ | |
97 | { \ | |
98 | builtin_define ("_AIX43"); \ | |
99 | TARGET_OS_AIX_CPP_BUILTINS (); \ | |
100 | } \ | |
7990b46f | 101 | while (0) |
a260abc9 DE |
102 | |
103 | #undef CPP_SPEC | |
104 | #define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\ | |
d6121128 | 105 | %{ansi: -D_ANSI_C_SOURCE}\ |
676997cf | 106 | %{maix64: -D__64BIT__}\ |
a260abc9 | 107 | %{mpe: -I/usr/lpp/ppe.poe/include}\ |
4c4eb375 | 108 | %{pthread: -D_THREAD_SAFE}" |
a260abc9 | 109 | |
830a95f8 MM |
110 | /* The GNU C++ standard library requires that these macros be |
111 | defined. */ | |
112 | #undef CPLUSPLUS_CPP_SPEC | |
113 | #define CPLUSPLUS_CPP_SPEC \ | |
56015cee | 114 | "-D_ALL_SOURCE \ |
676997cf RH |
115 | %{maix64: -D__64BIT__} \ |
116 | %{mpe: -I/usr/lpp/ppe.poe/include} \ | |
4c4eb375 | 117 | %{pthread: -D_THREAD_SAFE}" |
a260abc9 DE |
118 | |
119 | #undef TARGET_DEFAULT | |
120 | #define TARGET_DEFAULT MASK_NEW_MNEMONICS | |
121 | ||
122 | #undef PROCESSOR_DEFAULT | |
309323c2 | 123 | #define PROCESSOR_DEFAULT PROCESSOR_PPC604e |
a260abc9 DE |
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 | ||
a260abc9 DE |
137 | #undef LIB_SPEC |
138 | #define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\ | |
bf034054 | 139 | %{p:-L/lib/profiled -L/usr/lib/profiled}\ |
c71791e0 | 140 | %{!maix64:%{!shared:%{g*:-lg}}}\ |
a260abc9 | 141 | %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ |
f6bf7de2 DE |
142 | %{pthread:-L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\ |
143 | %{!pthread:-lc}" | |
a260abc9 DE |
144 | |
145 | #undef LINK_SPEC | |
146 | #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\ | |
c71791e0 | 147 | %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ |
cbaaba19 DE |
148 | %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ |
149 | %{mpe:-binitfini:poe_remote_main}" | |
a260abc9 DE |
150 | |
151 | #undef STARTFILE_SPEC | |
152 | #define STARTFILE_SPEC "%{!shared:\ | |
cbaaba19 DE |
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}}}}}" | |
a260abc9 DE |
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 | ||
949ea356 DE |
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}" | |
c71791e0 | 168 | |
c71791e0 DE |
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" | |
083b6717 JDA |
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 | |
78f5898b AH |
181 | |
182 | /* This target uses the aix64.opt file. */ | |
183 | #define TARGET_USES_AIX64_OPT 1 |