111
|
1 /* Definitions of target machine for GNU compiler,
|
|
2 for IBM RS/6000 POWER running AIX V5.2.
|
131
|
3 Copyright (C) 2002-2018 Free Software Foundation, Inc.
|
111
|
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
|
|
22 /* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
|
|
23 get control in TARGET_OPTION_OVERRIDE. */
|
|
24
|
|
25 #define SUBTARGET_OVERRIDE_OPTIONS \
|
|
26 do { \
|
|
27 if (TARGET_64BIT && ! TARGET_POWERPC64) \
|
|
28 { \
|
|
29 rs6000_isa_flags |= OPTION_MASK_POWERPC64; \
|
|
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; \
|
|
35 if (global_options_set.x_rs6000_long_double_type_size) \
|
|
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 } \
|
131
|
42 } while (0)
|
111
|
43
|
|
44 #undef ASM_SPEC
|
|
45 #define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)"
|
|
46
|
|
47 /* Common ASM definitions used by ASM_SPEC amongst the various targets
|
|
48 for handling -mcpu=xxx switches. */
|
|
49 #undef ASM_CPU_SPEC
|
|
50 #define ASM_CPU_SPEC \
|
|
51 "%{!mcpu*: %{!maix64: \
|
|
52 %{mpowerpc64: -mppc64} \
|
|
53 %{!mpowerpc64: %(asm_default)}}} \
|
|
54 %{mcpu=power3: -m620} \
|
|
55 %{mcpu=power4: -m620} \
|
|
56 %{mcpu=power5: -m620} \
|
|
57 %{mcpu=power5+: -m620} \
|
|
58 %{mcpu=power6: -m620} \
|
|
59 %{mcpu=power6x: -m620} \
|
|
60 %{mcpu=powerpc: -mppc} \
|
|
61 %{mcpu=rs64a: -mppc} \
|
|
62 %{mcpu=603: -m603} \
|
|
63 %{mcpu=603e: -m603} \
|
|
64 %{mcpu=604: -m604} \
|
|
65 %{mcpu=604e: -m604} \
|
|
66 %{mcpu=620: -m620} \
|
|
67 %{mcpu=630: -m620} \
|
|
68 %{mcpu=970: -m620} \
|
|
69 %{mcpu=G5: -m620}"
|
|
70
|
|
71 #undef ASM_DEFAULT_SPEC
|
|
72 #define ASM_DEFAULT_SPEC "-mppc"
|
|
73
|
|
74 #undef TARGET_OS_CPP_BUILTINS
|
|
75 #define TARGET_OS_CPP_BUILTINS() \
|
|
76 do \
|
|
77 { \
|
|
78 builtin_define ("_AIX43"); \
|
|
79 builtin_define ("_AIX51"); \
|
|
80 builtin_define ("_AIX52"); \
|
|
81 TARGET_OS_AIX_CPP_BUILTINS (); \
|
|
82 } \
|
|
83 while (0)
|
|
84
|
|
85 #undef CPP_SPEC
|
|
86 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
|
|
87 %{ansi: -D_ANSI_C_SOURCE} \
|
|
88 %{maix64: -D__64BIT__} \
|
|
89 %{mpe: -I%R/usr/lpp/ppe.poe/include} \
|
|
90 %{pthread: -D_THREAD_SAFE}"
|
|
91
|
|
92 /* The GNU C++ standard library requires that these macros be
|
|
93 defined. Synchronize with libstdc++ os_defines.h. */
|
|
94 #undef CPLUSPLUS_CPP_SPEC
|
|
95 #define CPLUSPLUS_CPP_SPEC \
|
|
96 "-D_ALL_SOURCE \
|
|
97 %{maix64: -D__64BIT__} \
|
|
98 %{mpe: -I%R/usr/lpp/ppe.poe/include} \
|
|
99 %{pthread: -D_THREAD_SAFE}"
|
|
100
|
|
101 #undef TARGET_DEFAULT
|
|
102 #define TARGET_DEFAULT 0
|
|
103
|
|
104 #undef PROCESSOR_DEFAULT
|
|
105 #define PROCESSOR_DEFAULT PROCESSOR_POWER4
|
|
106 #undef PROCESSOR_DEFAULT64
|
|
107 #define PROCESSOR_DEFAULT64 PROCESSOR_POWER4
|
|
108
|
|
109 /* AIX does not support Altivec. */
|
|
110 #undef TARGET_ALTIVEC
|
|
111 #define TARGET_ALTIVEC 0
|
|
112 #undef TARGET_ALTIVEC_ABI
|
|
113 #define TARGET_ALTIVEC_ABI 0
|
|
114 #undef TARGET_EXTRA_BUILTINS
|
|
115 #define TARGET_EXTRA_BUILTINS 0
|
|
116
|
|
117 /* Define this macro as a C expression for the initializer of an
|
|
118 array of string to tell the driver program which options are
|
|
119 defaults for this target and thus do not need to be handled
|
|
120 specially when using `MULTILIB_OPTIONS'.
|
|
121
|
|
122 Do not define this macro if `MULTILIB_OPTIONS' is not defined in
|
|
123 the target makefile fragment or if none of the options listed in
|
|
124 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
|
|
125
|
|
126 #undef MULTILIB_DEFAULTS
|
|
127
|
|
128 #undef LIB_SPEC
|
|
129 #define LIB_SPEC "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\
|
|
130 %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\
|
|
131 %{!maix64:%{!shared:%{g*:-lg}}}\
|
|
132 %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
|
|
133 %{pthread:-lpthreads} -lc"
|
|
134
|
|
135 #undef LINK_SPEC
|
|
136 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro}\
|
|
137 %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
|
|
138 %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\
|
|
139 %{mpe:-binitfini:poe_remote_main}"
|
|
140
|
|
141 #undef STARTFILE_SPEC
|
|
142 #define STARTFILE_SPEC "%{!shared:\
|
|
143 %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\
|
|
144 %{!maix64:\
|
|
145 %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
|
|
146 %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
|
|
147
|
|
148 /* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */
|
|
149
|
|
150 #undef PTRDIFF_TYPE
|
|
151 #define PTRDIFF_TYPE "long int"
|
|
152
|
|
153 /* Type used for wchar_t, as a string used in a declaration. */
|
|
154 #undef WCHAR_TYPE
|
|
155 #define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int")
|
|
156
|
|
157 /* Width of wchar_t in bits. */
|
|
158 #undef WCHAR_TYPE_SIZE
|
|
159 #define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32)
|
|
160
|
|
161 /* AIX 4.2 and above provides initialization and finalization function
|
|
162 support from linker command line. */
|
|
163 #undef HAS_INIT_SECTION
|
|
164 #define HAS_INIT_SECTION
|
|
165
|
|
166 #undef LD_INIT_SWITCH
|
|
167 #define LD_INIT_SWITCH "-binitfini"
|
|
168
|
|
169 #ifndef _AIX52
|
|
170 extern long long int atoll(const char *);
|
|
171 #endif
|
|
172
|
|
173 /* This target uses the aix64.opt file. */
|
|
174 #define TARGET_USES_AIX64_OPT 1
|
|
175
|
|
176 /* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION,
|
|
177 but does not have crtbegin/end. */
|
|
178
|
|
179 #define TARGET_AIX_VERSION 52
|