|
0
|
1 /* Target definitions for PowerPC running Darwin (Mac OS X).
|
|
|
2 Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008
|
|
|
3 Free Software Foundation, Inc.
|
|
|
4 Contributed by Apple Computer Inc.
|
|
|
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 #undef TARGET_VERSION
|
|
|
23 #define TARGET_VERSION fprintf (stderr, " (Darwin/PowerPC)");
|
|
|
24
|
|
|
25 /* The "Darwin ABI" is mostly like AIX, but with some key differences. */
|
|
|
26
|
|
|
27 #define DEFAULT_ABI ABI_DARWIN
|
|
|
28
|
|
|
29 #ifdef IN_LIBGCC2
|
|
|
30 #undef TARGET_64BIT
|
|
|
31 #ifdef __powerpc64__
|
|
|
32 #define TARGET_64BIT 1
|
|
|
33 #else
|
|
|
34 #define TARGET_64BIT 0
|
|
|
35 #endif
|
|
|
36 #endif
|
|
|
37
|
|
|
38 /* The object file format is Mach-O. */
|
|
|
39
|
|
|
40 #define TARGET_OBJECT_FORMAT OBJECT_MACHO
|
|
|
41
|
|
|
42 /* Size of the Obj-C jump buffer. */
|
|
|
43 #define OBJC_JBLEN ((TARGET_64BIT) ? (26*2 + 18*2 + 129 + 1) : (26 + 18*2 + 129 + 1))
|
|
|
44
|
|
|
45 /* We're not ever going to do TOCs. */
|
|
|
46
|
|
|
47 #define TARGET_TOC 0
|
|
|
48 #define TARGET_NO_TOC 1
|
|
|
49
|
|
|
50 /* Override the default rs6000 definition. */
|
|
|
51 #undef PTRDIFF_TYPE
|
|
|
52 #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
|
|
|
53
|
|
|
54 /* Translate config/rs6000/darwin.opt to config/darwin.h. */
|
|
|
55 #define TARGET_DYNAMIC_NO_PIC (TARGET_MACHO_DYNAMIC_NO_PIC)
|
|
|
56
|
|
|
57 #define TARGET_OS_CPP_BUILTINS() \
|
|
|
58 do \
|
|
|
59 { \
|
|
|
60 if (!TARGET_64BIT) builtin_define ("__ppc__"); \
|
|
|
61 if (TARGET_64BIT) builtin_define ("__ppc64__"); \
|
|
|
62 builtin_define ("__POWERPC__"); \
|
|
|
63 builtin_define ("__NATURAL_ALIGNMENT__"); \
|
|
|
64 darwin_cpp_builtins (pfile); \
|
|
|
65 } \
|
|
|
66 while (0)
|
|
|
67
|
|
|
68 #define SUBTARGET_OVERRIDE_OPTIONS darwin_rs6000_override_options ()
|
|
|
69
|
|
|
70 #define C_COMMON_OVERRIDE_OPTIONS do { \
|
|
|
71 /* On powerpc, __cxa_get_exception_ptr is available starting in the \
|
|
|
72 10.4.6 libstdc++.dylib. */ \
|
|
|
73 if (strverscmp (darwin_macosx_version_min, "10.4.6") < 0 \
|
|
|
74 && flag_use_cxa_get_exception_ptr == 2) \
|
|
|
75 flag_use_cxa_get_exception_ptr = 0; \
|
|
|
76 if (flag_mkernel) \
|
|
|
77 flag_no_builtin = 1; \
|
|
|
78 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS; \
|
|
|
79 } while (0)
|
|
|
80
|
|
|
81 /* Darwin has 128-bit long double support in libc in 10.4 and later.
|
|
|
82 Default to 128-bit long doubles even on earlier platforms for ABI
|
|
|
83 consistency; arithmetic will work even if libc and libm support is
|
|
|
84 not available. */
|
|
|
85
|
|
|
86 #define RS6000_DEFAULT_LONG_DOUBLE_SIZE 128
|
|
|
87
|
|
|
88
|
|
|
89 /* We want -fPIC by default, unless we're using -static to compile for
|
|
|
90 the kernel or some such. */
|
|
|
91
|
|
|
92 #define CC1_SPEC "\
|
|
|
93 %(cc1_cpu) \
|
|
|
94 %{g: %{!fno-eliminate-unused-debug-symbols: -feliminate-unused-debug-symbols }} \
|
|
|
95 %{static: %{Zdynamic: %e conflicting code gen style switches are used}}\
|
|
|
96 %{!mmacosx-version-min=*:-mmacosx-version-min=%(darwin_minversion)} \
|
|
|
97 %{!mkernel:%{!static:%{!mdynamic-no-pic:-fPIC}}}"
|
|
|
98
|
|
|
99 #define DARWIN_ARCH_SPEC "%{m64:ppc64;:ppc}"
|
|
|
100
|
|
|
101 #define DARWIN_SUBARCH_SPEC " \
|
|
|
102 %{m64: ppc64} \
|
|
|
103 %{!m64: \
|
|
|
104 %{mcpu=601:ppc601; \
|
|
|
105 mcpu=603:ppc603; \
|
|
|
106 mcpu=603e:ppc603; \
|
|
|
107 mcpu=604:ppc604; \
|
|
|
108 mcpu=604e:ppc604e; \
|
|
|
109 mcpu=740:ppc750; \
|
|
|
110 mcpu=750:ppc750; \
|
|
|
111 mcpu=G3:ppc750; \
|
|
|
112 mcpu=7400:ppc7400; \
|
|
|
113 mcpu=G4:ppc7400; \
|
|
|
114 mcpu=7450:ppc7450; \
|
|
|
115 mcpu=970:ppc970; \
|
|
|
116 mcpu=power4:ppc970; \
|
|
|
117 mcpu=G5:ppc970; \
|
|
|
118 :ppc}}"
|
|
|
119
|
|
|
120 /* crt2.o is at least partially required for 10.3.x and earlier. */
|
|
|
121 #define DARWIN_CRT2_SPEC \
|
|
|
122 "%{!m64:%:version-compare(!> 10.4 mmacosx-version-min= crt2.o%s)}"
|
|
|
123
|
|
|
124 /* Determine a minimum version based on compiler options. */
|
|
|
125 #define DARWIN_MINVERSION_SPEC \
|
|
|
126 "%{m64:%{fgnu-runtime:10.4; \
|
|
|
127 ,objective-c|,objc-cpp-output:10.5; \
|
|
|
128 ,objective-c-header:10.5; \
|
|
|
129 ,objective-c++|,objective-c++-cpp-output:10.5; \
|
|
|
130 ,objective-c++-header|,objc++-cpp-output:10.5; \
|
|
|
131 :10.4}; \
|
|
|
132 shared-libgcc:10.3; \
|
|
|
133 :10.1}"
|
|
|
134
|
|
|
135 #undef SUBTARGET_EXTRA_SPECS
|
|
|
136 #define SUBTARGET_EXTRA_SPECS \
|
|
|
137 DARWIN_EXTRA_SPECS \
|
|
|
138 { "darwin_arch", DARWIN_ARCH_SPEC }, \
|
|
|
139 { "darwin_crt2", DARWIN_CRT2_SPEC }, \
|
|
|
140 { "darwin_subarch", DARWIN_SUBARCH_SPEC },
|
|
|
141
|
|
|
142 /* Output a .machine directive. */
|
|
|
143 #undef TARGET_ASM_FILE_START
|
|
|
144 #define TARGET_ASM_FILE_START rs6000_darwin_file_start
|
|
|
145
|
|
|
146 /* The "-faltivec" option should have been called "-maltivec" all
|
|
|
147 along. -ffix-and-continue and -findirect-data is for compatibility
|
|
|
148 for old compilers. */
|
|
|
149
|
|
|
150 #define SUBTARGET_OPTION_TRANSLATE_TABLE \
|
|
|
151 { "-ffix-and-continue", "-mfix-and-continue" }, \
|
|
|
152 { "-findirect-data", "-mfix-and-continue" }, \
|
|
|
153 { "-faltivec", "-maltivec -include altivec.h" }, \
|
|
|
154 { "-fno-altivec", "-mno-altivec" }, \
|
|
|
155 { "-Waltivec-long-deprecated", "-mwarn-altivec-long" }, \
|
|
|
156 { "-Wno-altivec-long-deprecated", "-mno-warn-altivec-long" }
|
|
|
157
|
|
|
158 /* Make both r2 and r13 available for allocation. */
|
|
|
159 #define FIXED_R2 0
|
|
|
160 #define FIXED_R13 0
|
|
|
161
|
|
|
162 /* Base register for access to local variables of the function. */
|
|
|
163
|
|
|
164 #undef HARD_FRAME_POINTER_REGNUM
|
|
|
165 #define HARD_FRAME_POINTER_REGNUM 30
|
|
|
166
|
|
|
167 #undef RS6000_PIC_OFFSET_TABLE_REGNUM
|
|
|
168 #define RS6000_PIC_OFFSET_TABLE_REGNUM 31
|
|
|
169
|
|
|
170 /* Pad the outgoing args area to 16 bytes instead of the usual 8. */
|
|
|
171
|
|
|
172 #undef STARTING_FRAME_OFFSET
|
|
|
173 #define STARTING_FRAME_OFFSET \
|
|
|
174 (FRAME_GROWS_DOWNWARD \
|
|
|
175 ? 0 \
|
|
|
176 : (RS6000_ALIGN (crtl->outgoing_args_size, 16) \
|
|
|
177 + RS6000_SAVE_AREA))
|
|
|
178
|
|
|
179 #undef STACK_DYNAMIC_OFFSET
|
|
|
180 #define STACK_DYNAMIC_OFFSET(FUNDECL) \
|
|
|
181 (RS6000_ALIGN (crtl->outgoing_args_size, 16) \
|
|
|
182 + (STACK_POINTER_OFFSET))
|
|
|
183
|
|
|
184 /* These are used by -fbranch-probabilities */
|
|
|
185 #define HOT_TEXT_SECTION_NAME "__TEXT,__text,regular,pure_instructions"
|
|
|
186 #define UNLIKELY_EXECUTED_TEXT_SECTION_NAME \
|
|
|
187 "__TEXT,__unlikely,regular,pure_instructions"
|
|
|
188
|
|
|
189 /* Define cutoff for using external functions to save floating point.
|
|
|
190 Currently on Darwin, always use inline stores. */
|
|
|
191
|
|
|
192 #undef FP_SAVE_INLINE
|
|
|
193 #define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64)
|
|
|
194 #undef GP_SAVE_INLINE
|
|
|
195 #define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32)
|
|
|
196
|
|
|
197 /* Darwin uses a function call if everything needs to be saved/restored. */
|
|
|
198 #undef WORLD_SAVE_P
|
|
|
199 #define WORLD_SAVE_P(INFO) ((INFO)->world_save_p)
|
|
|
200
|
|
|
201 /* The assembler wants the alternate register names, but without
|
|
|
202 leading percent sign. */
|
|
|
203 #undef REGISTER_NAMES
|
|
|
204 #define REGISTER_NAMES \
|
|
|
205 { \
|
|
|
206 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
|
|
|
207 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
|
|
|
208 "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \
|
|
|
209 "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \
|
|
|
210 "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
|
|
|
211 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
|
|
|
212 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \
|
|
|
213 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \
|
|
|
214 "mq", "lr", "ctr", "ap", \
|
|
|
215 "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", \
|
|
|
216 "xer", \
|
|
|
217 "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", \
|
|
|
218 "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", \
|
|
|
219 "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", \
|
|
|
220 "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", \
|
|
|
221 "vrsave", "vscr", \
|
|
|
222 "spe_acc", "spefscr", \
|
|
|
223 "sfp" \
|
|
|
224 }
|
|
|
225
|
|
|
226 /* This outputs NAME to FILE. */
|
|
|
227
|
|
|
228 #undef RS6000_OUTPUT_BASENAME
|
|
|
229 #define RS6000_OUTPUT_BASENAME(FILE, NAME) \
|
|
|
230 assemble_name (FILE, NAME)
|
|
|
231
|
|
|
232 /* Globalizing directive for a label. */
|
|
|
233 #undef GLOBAL_ASM_OP
|
|
|
234 #define GLOBAL_ASM_OP "\t.globl "
|
|
|
235 #undef TARGET_ASM_GLOBALIZE_LABEL
|
|
|
236
|
|
|
237 /* This is how to output an internal label prefix. rs6000.c uses this
|
|
|
238 when generating traceback tables. */
|
|
|
239 /* Not really used for Darwin? */
|
|
|
240
|
|
|
241 #undef ASM_OUTPUT_INTERNAL_LABEL_PREFIX
|
|
|
242 #define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \
|
|
|
243 fprintf (FILE, "%s", PREFIX)
|
|
|
244
|
|
|
245 /* This says how to output an assembler line to define a global common
|
|
|
246 symbol. */
|
|
|
247 #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
|
|
|
248 do { \
|
|
|
249 unsigned HOST_WIDE_INT _new_size = SIZE; \
|
|
|
250 fputs (".comm ", (FILE)); \
|
|
|
251 RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \
|
|
|
252 if (_new_size == 0) _new_size = 1; \
|
|
|
253 fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED"\n", _new_size); \
|
|
|
254 } while (0)
|
|
|
255
|
|
|
256 /* Override the standard rs6000 definition. */
|
|
|
257
|
|
|
258 #undef ASM_COMMENT_START
|
|
|
259 #define ASM_COMMENT_START ";"
|
|
|
260
|
|
|
261 /* FP save and restore routines. */
|
|
|
262 #define SAVE_FP_PREFIX "._savef"
|
|
|
263 #define SAVE_FP_SUFFIX ""
|
|
|
264 #define RESTORE_FP_PREFIX "._restf"
|
|
|
265 #define RESTORE_FP_SUFFIX ""
|
|
|
266
|
|
|
267 /* This is how to output an assembler line that says to advance
|
|
|
268 the location counter to a multiple of 2**LOG bytes using the
|
|
|
269 "nop" instruction as padding. */
|
|
|
270
|
|
|
271 #define ASM_OUTPUT_ALIGN_WITH_NOP(FILE,LOG) \
|
|
|
272 do \
|
|
|
273 { \
|
|
|
274 if ((LOG) < 3) \
|
|
|
275 { \
|
|
|
276 ASM_OUTPUT_ALIGN (FILE,LOG); \
|
|
|
277 } \
|
|
|
278 else /* nop == ori r0,r0,0 */ \
|
|
|
279 fprintf (FILE, "\t.align32 %d,0x60000000\n", (LOG)); \
|
|
|
280 } while (0)
|
|
|
281
|
|
|
282 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
|
|
|
283 /* This is supported in cctools 465 and later. The macro test
|
|
|
284 above prevents using it in earlier build environments. */
|
|
|
285 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
|
|
|
286 if ((LOG) != 0) \
|
|
|
287 { \
|
|
|
288 if ((MAX_SKIP) == 0) \
|
|
|
289 fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
|
|
|
290 else \
|
|
|
291 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
|
|
|
292 }
|
|
|
293 #endif
|
|
|
294
|
|
|
295 /* Generate insns to call the profiler. */
|
|
|
296
|
|
|
297 #define PROFILE_HOOK(LABEL) output_profile_hook (LABEL)
|
|
|
298
|
|
|
299 /* Function name to call to do profiling. */
|
|
|
300
|
|
|
301 #define RS6000_MCOUNT "*mcount"
|
|
|
302
|
|
|
303 /* Default processor: G4, and G5 for 64-bit. */
|
|
|
304
|
|
|
305 #undef PROCESSOR_DEFAULT
|
|
|
306 #define PROCESSOR_DEFAULT PROCESSOR_PPC7400
|
|
|
307 #undef PROCESSOR_DEFAULT64
|
|
|
308 #define PROCESSOR_DEFAULT64 PROCESSOR_POWER4
|
|
|
309
|
|
|
310 /* Default target flag settings. Despite the fact that STMW/LMW
|
|
|
311 serializes, it's still a big code size win to use them. Use FSEL by
|
|
|
312 default as well. */
|
|
|
313
|
|
|
314 #undef TARGET_DEFAULT
|
|
|
315 #define TARGET_DEFAULT (MASK_POWERPC | MASK_MULTIPLE | MASK_NEW_MNEMONICS \
|
|
|
316 | MASK_PPC_GFXOPT)
|
|
|
317
|
|
|
318 /* Darwin only runs on PowerPC, so short-circuit POWER patterns. */
|
|
|
319 #undef TARGET_POWER
|
|
|
320 #define TARGET_POWER 0
|
|
|
321 #undef TARGET_IEEEQUAD
|
|
|
322 #define TARGET_IEEEQUAD 0
|
|
|
323
|
|
|
324 /* Since Darwin doesn't do TOCs, stub this out. */
|
|
|
325
|
|
|
326 #define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) ((void)X, (void)MODE, 0)
|
|
|
327
|
|
|
328 /* Unlike most other PowerPC targets, chars are signed, for
|
|
|
329 consistency with other Darwin architectures. */
|
|
|
330
|
|
|
331 #undef DEFAULT_SIGNED_CHAR
|
|
|
332 #define DEFAULT_SIGNED_CHAR (1)
|
|
|
333
|
|
|
334 /* Given an rtx X being reloaded into a reg required to be
|
|
|
335 in class CLASS, return the class of reg to actually use.
|
|
|
336 In general this is just CLASS; but on some machines
|
|
|
337 in some cases it is preferable to use a more restrictive class.
|
|
|
338
|
|
|
339 On the RS/6000, we have to return NO_REGS when we want to reload a
|
|
|
340 floating-point CONST_DOUBLE to force it to be copied to memory.
|
|
|
341
|
|
|
342 Don't allow R0 when loading the address of, or otherwise furtling with,
|
|
|
343 a SYMBOL_REF. */
|
|
|
344
|
|
|
345 #undef PREFERRED_RELOAD_CLASS
|
|
|
346 #define PREFERRED_RELOAD_CLASS(X,CLASS) \
|
|
|
347 ((CONSTANT_P (X) \
|
|
|
348 && reg_classes_intersect_p ((CLASS), FLOAT_REGS)) \
|
|
|
349 ? NO_REGS \
|
|
|
350 : ((GET_CODE (X) == SYMBOL_REF || GET_CODE (X) == HIGH) \
|
|
|
351 && reg_class_subset_p (BASE_REGS, (CLASS))) \
|
|
|
352 ? BASE_REGS \
|
|
|
353 : (GET_MODE_CLASS (GET_MODE (X)) == MODE_INT \
|
|
|
354 && (CLASS) == NON_SPECIAL_REGS) \
|
|
|
355 ? GENERAL_REGS \
|
|
|
356 : (CLASS))
|
|
|
357
|
|
|
358 /* Compute field alignment. This is similar to the version of the
|
|
|
359 macro in the Apple version of GCC, except that version supports
|
|
|
360 'mac68k' alignment, and that version uses the computed alignment
|
|
|
361 always for the first field of a structure. The first-field
|
|
|
362 behavior is dealt with by
|
|
|
363 darwin_rs6000_special_round_type_align. */
|
|
|
364 #define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
|
|
|
365 (TARGET_ALIGN_NATURAL ? (COMPUTED) \
|
|
|
366 : (COMPUTED) == 128 ? 128 \
|
|
|
367 : MIN ((COMPUTED), 32))
|
|
|
368
|
|
|
369 /* Darwin increases natural record alignment to doubleword if the first
|
|
|
370 field is an FP double while the FP fields remain word aligned. */
|
|
|
371 #define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED) \
|
|
|
372 ((TREE_CODE (STRUCT) == RECORD_TYPE \
|
|
|
373 || TREE_CODE (STRUCT) == UNION_TYPE \
|
|
|
374 || TREE_CODE (STRUCT) == QUAL_UNION_TYPE) \
|
|
|
375 && TARGET_ALIGN_NATURAL == 0 \
|
|
|
376 ? darwin_rs6000_special_round_type_align (STRUCT, COMPUTED, SPECIFIED) \
|
|
|
377 : (TREE_CODE (STRUCT) == VECTOR_TYPE \
|
|
|
378 && ALTIVEC_VECTOR_MODE (TYPE_MODE (STRUCT))) \
|
|
|
379 ? MAX (MAX ((COMPUTED), (SPECIFIED)), 128) \
|
|
|
380 : MAX ((COMPUTED), (SPECIFIED)))
|
|
|
381
|
|
|
382 /* Specify padding for the last element of a block move between
|
|
|
383 registers and memory. FIRST is nonzero if this is the only
|
|
|
384 element. */
|
|
|
385 #define BLOCK_REG_PADDING(MODE, TYPE, FIRST) \
|
|
|
386 (!(FIRST) ? upward : FUNCTION_ARG_PADDING (MODE, TYPE))
|
|
|
387
|
|
|
388 /* XXX: Darwin supports neither .quad, or .llong, but it also doesn't
|
|
|
389 support 64 bit PowerPC either, so this just keeps things happy. */
|
|
|
390 #define DOUBLE_INT_ASM_OP "\t.quad\t"
|
|
|
391
|
|
|
392 /* For binary compatibility with 2.95; Darwin C APIs use bool from
|
|
|
393 stdbool.h, which was an int-sized enum in 2.95. Users can explicitly
|
|
|
394 choose to have sizeof(bool)==1 with the -mone-byte-bool switch. */
|
|
|
395 #define BOOL_TYPE_SIZE (darwin_one_byte_bool ? CHAR_TYPE_SIZE : INT_TYPE_SIZE)
|
|
|
396
|
|
|
397 #undef REGISTER_TARGET_PRAGMAS
|
|
|
398 #define REGISTER_TARGET_PRAGMAS() \
|
|
|
399 do \
|
|
|
400 { \
|
|
|
401 DARWIN_REGISTER_TARGET_PRAGMAS(); \
|
|
|
402 targetm.resolve_overloaded_builtin = altivec_resolve_overloaded_builtin; \
|
|
|
403 } \
|
|
|
404 while (0)
|
|
|
405
|
|
|
406 #ifdef IN_LIBGCC2
|
|
|
407 #include <stdbool.h>
|
|
|
408 #endif
|
|
|
409
|
|
|
410 #if !defined(__LP64__) && !defined(DARWIN_LIBSYSTEM_HAS_UNWIND)
|
|
|
411 #define MD_UNWIND_SUPPORT "config/rs6000/darwin-unwind.h"
|
|
|
412 #endif
|
|
|
413
|
|
|
414 /* True, iff we're generating fast turn around debugging code. When
|
|
|
415 true, we arrange for function prologues to start with 5 nops so
|
|
|
416 that gdb may insert code to redirect them, and for data to be
|
|
|
417 accessed indirectly. The runtime uses this indirection to forward
|
|
|
418 references for data to the original instance of that data. */
|
|
|
419
|
|
|
420 #define TARGET_FIX_AND_CONTINUE (darwin_fix_and_continue)
|
|
|
421
|
|
|
422 /* This is the reserved direct dispatch address for Objective-C. */
|
|
|
423 #define OFFS_MSGSEND_FAST 0xFFFEFF00
|
|
|
424
|
|
|
425 /* This is the reserved ivar address Objective-C. */
|
|
|
426 #define OFFS_ASSIGNIVAR_FAST 0xFFFEFEC0
|
|
|
427
|
|
|
428 /* Old versions of Mac OS/Darwin don't have C99 functions available. */
|
|
|
429 #undef TARGET_C99_FUNCTIONS
|
|
|
430 #define TARGET_C99_FUNCTIONS \
|
|
|
431 (TARGET_64BIT \
|
|
|
432 || strverscmp (darwin_macosx_version_min, "10.3") >= 0)
|
|
|
433
|
|
|
434 /* When generating kernel code or kexts, we don't use Altivec by
|
|
|
435 default, as kernel code doesn't save/restore those registers. */
|
|
|
436 #define OS_MISSING_ALTIVEC (flag_mkernel || flag_apple_kext)
|
|
|
437
|
|
|
438 /* Darwin has to rename some of the long double builtins. */
|
|
|
439 #define SUBTARGET_INIT_BUILTINS darwin_patch_builtins ()
|
