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comparison gcc/config/rs6000/aix72.h @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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children 1830386684a0
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111:04ced10e8804 131:84e7813d76e9
1 /* Definitions of target machine for GNU compiler,
2 for IBM RS/6000 POWER running AIX V7.2.
3 Copyright (C) 2002-2017 Free Software Foundation, Inc.
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 } \
59 } while (0)
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*: -mpwr7}} \
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 builtin_define ("_AIX72"); \
111 TARGET_OS_AIX_CPP_BUILTINS (); \
112 } \
113 while (0)
114
115 #undef CPP_SPEC
116 #define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
117 %{ansi: -D_ANSI_C_SOURCE} \
118 %{maix64: -D__64BIT__} \
119 %{mpe: -I%R/usr/lpp/ppe.poe/include} \
120 %{pthread: -D_THREAD_SAFE}"
121
122 /* The GNU C++ standard library requires that these macros be
123 defined. Synchronize with libstdc++ os_defines.h. */
124 #undef CPLUSPLUS_CPP_SPEC
125 #define CPLUSPLUS_CPP_SPEC \
126 "-D_ALL_SOURCE -D__COMPATMATH__ \
127 %{maix64: -D__64BIT__} \
128 %{mpe: -I%R/usr/lpp/ppe.poe/include} \
129 %{pthread: -D_THREAD_SAFE}"
130
131 #define RS6000_CPU(NAME, CPU, FLAGS)
132 #include "rs6000-cpus.def"
133 #undef RS6000_CPU
134
135 #undef TARGET_DEFAULT
136 #define TARGET_DEFAULT ISA_2_6_MASKS_EMBEDDED
137
138 #undef PROCESSOR_DEFAULT
139 #define PROCESSOR_DEFAULT PROCESSOR_POWER7
140 #undef PROCESSOR_DEFAULT64
141 #define PROCESSOR_DEFAULT64 PROCESSOR_POWER7
142
143 /* AIX 7.2 kernel and assembler have necessary support for Altivec and VSX. */
144 #undef OS_MISSING_ALTIVEC
145
146 /* Define this macro as a C expression for the initializer of an
147 array of string to tell the driver program which options are
148 defaults for this target and thus do not need to be handled
149 specially when using `MULTILIB_OPTIONS'.
150
151 Do not define this macro if `MULTILIB_OPTIONS' is not defined in
152 the target makefile fragment or if none of the options listed in
153 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
154
155 #undef MULTILIB_DEFAULTS
156
157 #undef LIB_SPEC
158 #define LIB_SPEC "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\
159 %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\
160 %{!maix64:%{!shared:%{g*:-lg}}}\
161 %{fprofile-arcs|fprofile-generate*|coverage:-lpthreads}\
162 %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
163 %{pthread:-lpthreads} -lc"
164
165 #undef LINK_SPEC
166 #define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro}\
167 %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
168 %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\
169 %{mpe:-binitfini:poe_remote_main}"
170
171 #undef STARTFILE_SPEC
172 #define STARTFILE_SPEC "%{!shared:\
173 %{maix64:%{pg:gcrt0_64%O%s;:%{p:mcrt0_64%O%s;:crt0_64%O%s}};:\
174 %{pthread:%{pg:gcrt0_r%O%s;:%{p:mcrt0_r%O%s;:crt0_r%O%s}};:\
175 %{pg:gcrt0%O%s;:%{p:mcrt0%O%s;:crt0%O%s}}}}}\
176 %{shared:crtcxa_s%O%s;:crtcxa%O%s} crtdbase%O%s"
177
178 /* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */
179
180 #undef PTRDIFF_TYPE
181 #define PTRDIFF_TYPE "long int"
182
183 /* Type used for wchar_t, as a string used in a declaration. */
184 #undef WCHAR_TYPE
185 #define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int")
186
187 /* Width of wchar_t in bits. */
188 #undef WCHAR_TYPE_SIZE
189 #define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32)
190
191 /* AIX 4.2 and above provides initialization and finalization function
192 support from linker command line. */
193 #undef HAS_INIT_SECTION
194 #define HAS_INIT_SECTION
195
196 #undef LD_INIT_SWITCH
197 #define LD_INIT_SWITCH "-binitfini"
198
199 #ifndef _AIX52
200 extern long long int atoll(const char *);
201 #endif
202
203 /* This target uses the aix64.opt file. */
204 #define TARGET_USES_AIX64_OPT 1
205
206 /* Large TOC Support */
207 #ifdef HAVE_LD_LARGE_TOC
208 #undef TARGET_CMODEL
209 #define TARGET_CMODEL rs6000_current_cmodel
210 #define SET_CMODEL(opt) rs6000_current_cmodel = opt
211 #else
212 #define SET_CMODEL(opt) do {} while (0)
213 #endif
214
215 /* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION,
216 but does not have crtbegin/end. */
217
218 #define TARGET_AIX_VERSION 72
219
220 /* AIX 7.2 supports DWARF3 debugging, but XCOFF remains the default. */
221 #define DWARF2_DEBUGGING_INFO 1
222 #define PREFERRED_DEBUGGING_TYPE XCOFF_DEBUG
223 #define DEBUG_INFO_SECTION "0x10000"
224 #define DEBUG_LINE_SECTION "0x20000"
225 #define DEBUG_PUBNAMES_SECTION "0x30000"
226 #define DEBUG_PUBTYPES_SECTION "0x40000"
227 #define DEBUG_ARANGES_SECTION "0x50000"
228 #define DEBUG_ABBREV_SECTION "0x60000"
229 #define DEBUG_STR_SECTION "0x70000"
230 #define DEBUG_RANGES_SECTION "0x80000"
231 #define DEBUG_LOC_SECTION "0x90000"
232 #define DEBUG_FRAME_SECTION "0xA0000"
233 #define DEBUG_MACINFO_SECTION "0xB0000"
234 #define DEBUG_MACRO_SECTION "0xB0000"
235