|
111
|
1 /* Definitions of target machine for GNU compiler,
|
|
|
2 for IBM RS/6000 POWER running AIX V7.1.
|
|
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 } \
|
|
|
42 if ((rs6000_isa_flags_explicit \
|
|
|
43 & OPTION_MASK_MINIMAL_TOC) != 0) \
|
|
|
44 { \
|
|
|
45 if (global_options_set.x_rs6000_current_cmodel \
|
|
|
46 && rs6000_current_cmodel != CMODEL_SMALL) \
|
|
|
47 error ("-mcmodel incompatible with other toc options"); \
|
|
|
48 SET_CMODEL (CMODEL_SMALL); \
|
|
|
49 } \
|
|
|
50 if (rs6000_current_cmodel != CMODEL_SMALL) \
|
|
|
51 { \
|
|
|
52 TARGET_NO_FP_IN_TOC = 0; \
|
|
|
53 TARGET_NO_SUM_IN_TOC = 0; \
|
|
|
54 } \
|
|
|
55 if (rs6000_current_cmodel == CMODEL_MEDIUM) \
|
|
|
56 { \
|
|
|
57 rs6000_current_cmodel = CMODEL_LARGE; \
|
|
|
58 } \
|
|
131
|
59 } while (0)
|
|
111
|
60
|
|
|
61 #undef ASM_SPEC
|
|
|
62 #define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)"
|
|
|
63
|
|
|
64 /* Common ASM definitions used by ASM_SPEC amongst the various targets for
|
|
|
65 handling -mcpu=xxx switches. There is a parallel list in driver-rs6000.c to
|
|
|
66 provide the default assembler options if the user uses -mcpu=native, so if
|
|
|
67 you make changes here, make them there also. */
|
|
|
68 #undef ASM_CPU_SPEC
|
|
|
69 #define ASM_CPU_SPEC \
|
|
|
70 "%{!mcpu*: %{!maix64: \
|
|
|
71 %{mpowerpc64: -mppc64} \
|
|
|
72 %{maltivec: -m970} \
|
|
|
73 %{!maltivec: %{!mpowerpc64: %(asm_default)}}}} \
|
|
|
74 %{mcpu=native: %(asm_cpu_native)} \
|
|
|
75 %{mcpu=power3: -m620} \
|
|
|
76 %{mcpu=power4: -mpwr4} \
|
|
|
77 %{mcpu=power5: -mpwr5} \
|
|
|
78 %{mcpu=power5+: -mpwr5x} \
|
|
|
79 %{mcpu=power6: -mpwr6} \
|
|
|
80 %{mcpu=power6x: -mpwr6} \
|
|
|
81 %{mcpu=power7: -mpwr7} \
|
|
|
82 %{mcpu=power8: -mpwr8} \
|
|
|
83 %{mcpu=power9: -mpwr9} \
|
|
|
84 %{mcpu=powerpc: -mppc} \
|
|
|
85 %{mcpu=rs64a: -mppc} \
|
|
|
86 %{mcpu=603: -m603} \
|
|
|
87 %{mcpu=603e: -m603} \
|
|
|
88 %{mcpu=604: -m604} \
|
|
|
89 %{mcpu=604e: -m604} \
|
|
|
90 %{mcpu=620: -m620} \
|
|
|
91 %{mcpu=630: -m620} \
|
|
|
92 %{mcpu=970: -m970} \
|
|
|
93 %{mcpu=G5: -m970} \
|
|
|
94 %{mvsx: %{!mcpu*: -mpwr6}} \
|
|
|
95 -many"
|
|
|
96
|
|
|
97 #undef ASM_DEFAULT_SPEC
|
|
|
98 #define ASM_DEFAULT_SPEC "-mpwr4"
|
|
|
99
|
|
|
100 #undef TARGET_OS_CPP_BUILTINS
|
|
|
101 #define TARGET_OS_CPP_BUILTINS() \
|
|
|
102 do \
|
|
|
103 { \
|
|
|
104 builtin_define ("_AIX43"); \
|
|
|
105 builtin_define ("_AIX51"); \
|
|
|
106 builtin_define ("_AIX52"); \
|
|
|
107 builtin_define ("_AIX53"); \
|
|
|
108 builtin_define ("_AIX61"); \
|
|
|
109 builtin_define ("_AIX71"); \
|
|
|
110 TARGET_OS_AIX_CPP_BUILTINS (); \
|
|
|
111 } \
|
|
|
112 while (0)
|
|
|
113
|
|
|
114 #undef CPP_SPEC
|
|
|
115 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
|
|
|
116 %{ansi: -D_ANSI_C_SOURCE} \
|
|
|
117 %{maix64: -D__64BIT__} \
|
|
|
118 %{mpe: -I%R/usr/lpp/ppe.poe/include} \
|
|
|
119 %{pthread: -D_THREAD_SAFE}"
|
|
|
120
|
|
|
121 /* The GNU C++ standard library requires that these macros be
|
|
|
122 defined. Synchronize with libstdc++ os_defines.h. */
|
|
|
123 #undef CPLUSPLUS_CPP_SPEC
|
|
|
124 #define CPLUSPLUS_CPP_SPEC \
|
|
|
125 "-D_ALL_SOURCE -D__COMPATMATH__ \
|
|
|
126 %{maix64: -D__64BIT__} \
|
|
|
127 %{mpe: -I%R/usr/lpp/ppe.poe/include} \
|
|
|
128 %{pthread: -D_THREAD_SAFE}"
|
|
|
129
|
|
131
|
130 #define RS6000_CPU(NAME, CPU, FLAGS)
|
|
|
131 #include "rs6000-cpus.def"
|
|
|
132 #undef RS6000_CPU
|
|
|
133
|
|
111
|
134 #undef TARGET_DEFAULT
|
|
|
135 #define TARGET_DEFAULT (MASK_PPC_GPOPT | MASK_PPC_GFXOPT | MASK_MFCRF)
|
|
|
136
|
|
|
137 #undef PROCESSOR_DEFAULT
|
|
|
138 #define PROCESSOR_DEFAULT PROCESSOR_POWER7
|
|
|
139 #undef PROCESSOR_DEFAULT64
|
|
|
140 #define PROCESSOR_DEFAULT64 PROCESSOR_POWER7
|
|
|
141
|
|
|
142 /* AIX 7.1 kernel and assembler have necessary support for Altivec and VSX. */
|
|
|
143 #undef OS_MISSING_ALTIVEC
|
|
|
144
|
|
|
145 /* Define this macro as a C expression for the initializer of an
|
|
|
146 array of string to tell the driver program which options are
|
|
|
147 defaults for this target and thus do not need to be handled
|
|
|
148 specially when using `MULTILIB_OPTIONS'.
|
|
|
149
|
|
|
150 Do not define this macro if `MULTILIB_OPTIONS' is not defined in
|
|
|
151 the target makefile fragment or if none of the options listed in
|
|
|
152 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
|
|
|
153
|
|
|
154 #undef MULTILIB_DEFAULTS
|
|
|
155
|
|
|
156 #undef LIB_SPEC
|
|
|
157 #define LIB_SPEC "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\
|
|
|
158 %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\
|
|
|
159 %{!maix64:%{!shared:%{g*:-lg}}}\
|
|
|
160 %{fprofile-arcs|fprofile-generate*|coverage:-lpthreads}\
|
|
|
161 %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
|
|
|
162 %{pthread:-lpthreads} -lc"
|
|
|
163
|
|
|
164 #undef LINK_SPEC
|
|
|
165 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro}\
|
|
|
166 %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
|
|
|
167 %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\
|
|
|
168 %{mpe:-binitfini:poe_remote_main}"
|
|
|
169
|
|
|
170 #undef STARTFILE_SPEC
|
|
|
171 #define STARTFILE_SPEC "%{!shared:\
|
|
|
172 %{maix64:%{pg:gcrt0_64%O%s;:%{p:mcrt0_64%O%s;:crt0_64%O%s}};:\
|
|
|
173 %{pthread:%{pg:gcrt0_r%O%s;:%{p:mcrt0_r%O%s;:crt0_r%O%s}};:\
|
|
|
174 %{pg:gcrt0%O%s;:%{p:mcrt0%O%s;:crt0%O%s}}}}}\
|
|
|
175 %{shared:crtcxa_s%O%s;:crtcxa%O%s} crtdbase%O%s"
|
|
|
176
|
|
|
177 /* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */
|
|
|
178
|
|
|
179 #undef PTRDIFF_TYPE
|
|
|
180 #define PTRDIFF_TYPE "long int"
|
|
|
181
|
|
|
182 /* Type used for wchar_t, as a string used in a declaration. */
|
|
|
183 #undef WCHAR_TYPE
|
|
|
184 #define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int")
|
|
|
185
|
|
|
186 /* Width of wchar_t in bits. */
|
|
|
187 #undef WCHAR_TYPE_SIZE
|
|
|
188 #define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32)
|
|
|
189
|
|
|
190 /* AIX 4.2 and above provides initialization and finalization function
|
|
|
191 support from linker command line. */
|
|
|
192 #undef HAS_INIT_SECTION
|
|
|
193 #define HAS_INIT_SECTION
|
|
|
194
|
|
|
195 #undef LD_INIT_SWITCH
|
|
|
196 #define LD_INIT_SWITCH "-binitfini"
|
|
|
197
|
|
|
198 #ifndef _AIX52
|
|
|
199 extern long long int atoll(const char *);
|
|
|
200 #endif
|
|
|
201
|
|
|
202 /* This target uses the aix64.opt file. */
|
|
|
203 #define TARGET_USES_AIX64_OPT 1
|
|
|
204
|
|
|
205 /* Large TOC Support */
|
|
|
206 #ifdef HAVE_LD_LARGE_TOC
|
|
|
207 #undef TARGET_CMODEL
|
|
|
208 #define TARGET_CMODEL rs6000_current_cmodel
|
|
|
209 #define SET_CMODEL(opt) rs6000_current_cmodel = opt
|
|
|
210 #else
|
|
|
211 #define SET_CMODEL(opt) do {} while (0)
|
|
|
212 #endif
|
|
|
213
|
|
|
214 /* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION,
|
|
|
215 but does not have crtbegin/end. */
|
|
|
216
|
|
|
217 #define TARGET_AIX_VERSION 71
|
|
|
218
|
|
|
219 /* AIX 7.1 supports DWARF3 debugging, but XCOFF remains the default. */
|
|
|
220 #define DWARF2_DEBUGGING_INFO 1
|
|
|
221 #define PREFERRED_DEBUGGING_TYPE XCOFF_DEBUG
|
|
|
222 #define DEBUG_INFO_SECTION "0x10000"
|
|
|
223 #define DEBUG_LINE_SECTION "0x20000"
|
|
|
224 #define DEBUG_PUBNAMES_SECTION "0x30000"
|
|
|
225 #define DEBUG_PUBTYPES_SECTION "0x40000"
|
|
|
226 #define DEBUG_ARANGES_SECTION "0x50000"
|
|
|
227 #define DEBUG_ABBREV_SECTION "0x60000"
|
|
|
228 #define DEBUG_STR_SECTION "0x70000"
|
|
|
229 #define DEBUG_RANGES_SECTION "0x80000"
|
|
|
230 #define DEBUG_LOC_SECTION "0x90000"
|
|
|
231 #define DEBUG_FRAME_SECTION "0xA0000"
|
|
|
232 #define DEBUG_MACINFO_SECTION "0xB0000"
|
|
|
233 #define DEBUG_MACRO_SECTION "0xB0000"
|
|
|
234
|
