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1 | /* Definitions of target machine for GNU compiler, for IBM RS/6000. |
2 | Copyright (C) 1992-2017 Free Software Foundation, Inc. | |
3 | Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) | |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU General Public License as published | |
9 | by the Free Software Foundation; either version 3, or (at your | |
10 | option) any later version. | |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but WITHOUT | |
13 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
14 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
15 | License for more details. | |
16 | ||
17 | Under Section 7 of GPL version 3, you are granted additional | |
18 | permissions described in the GCC Runtime Library Exception, version | |
19 | 3.1, as published by the Free Software Foundation. | |
20 | ||
21 | You should have received a copy of the GNU General Public License and | |
22 | a copy of the GCC Runtime Library Exception along with this program; | |
23 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
24 | <http://www.gnu.org/licenses/>. */ | |
25 | ||
26 | /* Note that some other tm.h files include this one and then override | |
27 | many of the definitions. */ | |
28 | ||
29 | #ifndef RS6000_OPTS_H | |
30 | #include "config/powerpcspe/powerpcspe-opts.h" | |
31 | #endif | |
32 | ||
33 | /* Definitions for the object file format. These are set at | |
34 | compile-time. */ | |
35 | ||
36 | #define OBJECT_XCOFF 1 | |
37 | #define OBJECT_ELF 2 | |
38 | #define OBJECT_PEF 3 | |
39 | #define OBJECT_MACHO 4 | |
40 | ||
41 | #define TARGET_ELF (TARGET_OBJECT_FORMAT == OBJECT_ELF) | |
42 | #define TARGET_XCOFF (TARGET_OBJECT_FORMAT == OBJECT_XCOFF) | |
43 | #define TARGET_MACOS (TARGET_OBJECT_FORMAT == OBJECT_PEF) | |
44 | #define TARGET_MACHO (TARGET_OBJECT_FORMAT == OBJECT_MACHO) | |
45 | ||
46 | #ifndef TARGET_AIX | |
47 | #define TARGET_AIX 0 | |
48 | #endif | |
49 | ||
50 | #ifndef TARGET_AIX_OS | |
51 | #define TARGET_AIX_OS 0 | |
52 | #endif | |
53 | ||
54 | /* Control whether function entry points use a "dot" symbol when | |
55 | ABI_AIX. */ | |
56 | #define DOT_SYMBOLS 1 | |
57 | ||
58 | /* Default string to use for cpu if not specified. */ | |
59 | #ifndef TARGET_CPU_DEFAULT | |
60 | #define TARGET_CPU_DEFAULT ((char *)0) | |
61 | #endif | |
62 | ||
63 | /* If configured for PPC405, support PPC405CR Erratum77. */ | |
64 | #ifdef CONFIG_PPC405CR | |
65 | #define PPC405_ERRATUM77 (rs6000_cpu == PROCESSOR_PPC405) | |
66 | #else | |
67 | #define PPC405_ERRATUM77 0 | |
68 | #endif | |
69 | ||
70 | #ifndef TARGET_PAIRED_FLOAT | |
71 | #define TARGET_PAIRED_FLOAT 0 | |
72 | #endif | |
73 | ||
74 | #ifdef HAVE_AS_POPCNTB | |
75 | #define ASM_CPU_POWER5_SPEC "-mpower5" | |
76 | #else | |
77 | #define ASM_CPU_POWER5_SPEC "-mpower4" | |
78 | #endif | |
79 | ||
80 | #ifdef HAVE_AS_DFP | |
81 | #define ASM_CPU_POWER6_SPEC "-mpower6 -maltivec" | |
82 | #else | |
83 | #define ASM_CPU_POWER6_SPEC "-mpower4 -maltivec" | |
84 | #endif | |
85 | ||
86 | #ifdef HAVE_AS_POPCNTD | |
87 | #define ASM_CPU_POWER7_SPEC "-mpower7" | |
88 | #else | |
89 | #define ASM_CPU_POWER7_SPEC "-mpower4 -maltivec" | |
90 | #endif | |
91 | ||
92 | #ifdef HAVE_AS_POWER8 | |
93 | #define ASM_CPU_POWER8_SPEC "-mpower8" | |
94 | #else | |
95 | #define ASM_CPU_POWER8_SPEC ASM_CPU_POWER7_SPEC | |
96 | #endif | |
97 | ||
98 | #ifdef HAVE_AS_POWER9 | |
99 | #define ASM_CPU_POWER9_SPEC "-mpower9" | |
100 | #else | |
101 | #define ASM_CPU_POWER9_SPEC ASM_CPU_POWER8_SPEC | |
102 | #endif | |
103 | ||
104 | #ifdef HAVE_AS_DCI | |
105 | #define ASM_CPU_476_SPEC "-m476" | |
106 | #else | |
107 | #define ASM_CPU_476_SPEC "-mpower4" | |
108 | #endif | |
109 | ||
110 | /* Common ASM definitions used by ASM_SPEC among the various targets for | |
111 | handling -mcpu=xxx switches. There is a parallel list in driver-powerpcspe.c to | |
112 | provide the default assembler options if the user uses -mcpu=native, so if | |
113 | you make changes here, make them also there. */ | |
114 | #define ASM_CPU_SPEC \ | |
115 | "%{!mcpu*: \ | |
116 | %{mpowerpc64*: -mppc64} \ | |
117 | %{!mpowerpc64*: %(asm_default)}} \ | |
118 | %{mcpu=native: %(asm_cpu_native)} \ | |
119 | %{mcpu=cell: -mcell} \ | |
120 | %{mcpu=power3: -mppc64} \ | |
121 | %{mcpu=power4: -mpower4} \ | |
122 | %{mcpu=power5: %(asm_cpu_power5)} \ | |
123 | %{mcpu=power5+: %(asm_cpu_power5)} \ | |
124 | %{mcpu=power6: %(asm_cpu_power6) -maltivec} \ | |
125 | %{mcpu=power6x: %(asm_cpu_power6) -maltivec} \ | |
126 | %{mcpu=power7: %(asm_cpu_power7)} \ | |
127 | %{mcpu=power8: %(asm_cpu_power8)} \ | |
128 | %{mcpu=power9: %(asm_cpu_power9)} \ | |
129 | %{mcpu=a2: -ma2} \ | |
130 | %{mcpu=powerpc: -mppc} \ | |
131 | %{mcpu=powerpc64le: %(asm_cpu_power8)} \ | |
132 | %{mcpu=rs64a: -mppc64} \ | |
133 | %{mcpu=401: -mppc} \ | |
134 | %{mcpu=403: -m403} \ | |
135 | %{mcpu=405: -m405} \ | |
136 | %{mcpu=405fp: -m405} \ | |
137 | %{mcpu=440: -m440} \ | |
138 | %{mcpu=440fp: -m440} \ | |
139 | %{mcpu=464: -m440} \ | |
140 | %{mcpu=464fp: -m440} \ | |
141 | %{mcpu=476: %(asm_cpu_476)} \ | |
142 | %{mcpu=476fp: %(asm_cpu_476)} \ | |
143 | %{mcpu=505: -mppc} \ | |
144 | %{mcpu=601: -m601} \ | |
145 | %{mcpu=602: -mppc} \ | |
146 | %{mcpu=603: -mppc} \ | |
147 | %{mcpu=603e: -mppc} \ | |
148 | %{mcpu=ec603e: -mppc} \ | |
149 | %{mcpu=604: -mppc} \ | |
150 | %{mcpu=604e: -mppc} \ | |
151 | %{mcpu=620: -mppc64} \ | |
152 | %{mcpu=630: -mppc64} \ | |
153 | %{mcpu=740: -mppc} \ | |
154 | %{mcpu=750: -mppc} \ | |
155 | %{mcpu=G3: -mppc} \ | |
156 | %{mcpu=7400: -mppc -maltivec} \ | |
157 | %{mcpu=7450: -mppc -maltivec} \ | |
158 | %{mcpu=G4: -mppc -maltivec} \ | |
159 | %{mcpu=801: -mppc} \ | |
160 | %{mcpu=821: -mppc} \ | |
161 | %{mcpu=823: -mppc} \ | |
162 | %{mcpu=860: -mppc} \ | |
163 | %{mcpu=970: -mpower4 -maltivec} \ | |
164 | %{mcpu=G5: -mpower4 -maltivec} \ | |
165 | %{mcpu=8540: -me500} \ | |
166 | %{mcpu=8548: -me500} \ | |
167 | %{mcpu=e300c2: -me300} \ | |
168 | %{mcpu=e300c3: -me300} \ | |
169 | %{mcpu=e500mc: -me500mc} \ | |
170 | %{mcpu=e500mc64: -me500mc64} \ | |
171 | %{mcpu=e5500: -me5500} \ | |
172 | %{mcpu=e6500: -me6500} \ | |
173 | %{maltivec: -maltivec} \ | |
174 | %{mvsx: -mvsx %{!maltivec: -maltivec} %{!mcpu*: %(asm_cpu_power7)}} \ | |
175 | %{mpower8-vector|mcrypto|mdirect-move|mhtm: %{!mcpu*: %(asm_cpu_power8)}} \ | |
176 | -many" | |
177 | ||
178 | #define CPP_DEFAULT_SPEC "" | |
179 | ||
180 | #define ASM_DEFAULT_SPEC "" | |
181 | ||
182 | /* This macro defines names of additional specifications to put in the specs | |
183 | that can be used in various specifications like CC1_SPEC. Its definition | |
184 | is an initializer with a subgrouping for each command option. | |
185 | ||
186 | Each subgrouping contains a string constant, that defines the | |
187 | specification name, and a string constant that used by the GCC driver | |
188 | program. | |
189 | ||
190 | Do not define this macro if it does not need to do anything. */ | |
191 | ||
192 | #define SUBTARGET_EXTRA_SPECS | |
193 | ||
194 | #define EXTRA_SPECS \ | |
195 | { "cpp_default", CPP_DEFAULT_SPEC }, \ | |
196 | { "asm_cpu", ASM_CPU_SPEC }, \ | |
197 | { "asm_cpu_native", ASM_CPU_NATIVE_SPEC }, \ | |
198 | { "asm_default", ASM_DEFAULT_SPEC }, \ | |
199 | { "cc1_cpu", CC1_CPU_SPEC }, \ | |
200 | { "asm_cpu_power5", ASM_CPU_POWER5_SPEC }, \ | |
201 | { "asm_cpu_power6", ASM_CPU_POWER6_SPEC }, \ | |
202 | { "asm_cpu_power7", ASM_CPU_POWER7_SPEC }, \ | |
203 | { "asm_cpu_power8", ASM_CPU_POWER8_SPEC }, \ | |
204 | { "asm_cpu_power9", ASM_CPU_POWER9_SPEC }, \ | |
205 | { "asm_cpu_476", ASM_CPU_476_SPEC }, \ | |
206 | SUBTARGET_EXTRA_SPECS | |
207 | ||
208 | /* -mcpu=native handling only makes sense with compiler running on | |
209 | an PowerPC chip. If changing this condition, also change | |
210 | the condition in driver-powerpcspe.c. */ | |
211 | #if defined(__powerpc__) || defined(__POWERPC__) || defined(_AIX) | |
212 | /* In driver-powerpcspe.c. */ | |
213 | extern const char *host_detect_local_cpu (int argc, const char **argv); | |
214 | #define EXTRA_SPEC_FUNCTIONS \ | |
215 | { "local_cpu_detect", host_detect_local_cpu }, | |
216 | #define HAVE_LOCAL_CPU_DETECT | |
217 | #define ASM_CPU_NATIVE_SPEC "%:local_cpu_detect(asm)" | |
218 | ||
219 | #else | |
220 | #define ASM_CPU_NATIVE_SPEC "%(asm_default)" | |
221 | #endif | |
222 | ||
223 | #ifndef CC1_CPU_SPEC | |
224 | #ifdef HAVE_LOCAL_CPU_DETECT | |
225 | #define CC1_CPU_SPEC \ | |
226 | "%{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)} \ | |
227 | %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" | |
228 | #else | |
229 | #define CC1_CPU_SPEC "" | |
230 | #endif | |
231 | #endif | |
232 | ||
233 | /* Architecture type. */ | |
234 | ||
235 | /* Define TARGET_MFCRF if the target assembler does not support the | |
236 | optional field operand for mfcr. */ | |
237 | ||
238 | #ifndef HAVE_AS_MFCRF | |
239 | #undef TARGET_MFCRF | |
240 | #define TARGET_MFCRF 0 | |
241 | #endif | |
242 | ||
243 | /* Define TARGET_POPCNTB if the target assembler does not support the | |
244 | popcount byte instruction. */ | |
245 | ||
246 | #ifndef HAVE_AS_POPCNTB | |
247 | #undef TARGET_POPCNTB | |
248 | #define TARGET_POPCNTB 0 | |
249 | #endif | |
250 | ||
251 | /* Define TARGET_FPRND if the target assembler does not support the | |
252 | fp rounding instructions. */ | |
253 | ||
254 | #ifndef HAVE_AS_FPRND | |
255 | #undef TARGET_FPRND | |
256 | #define TARGET_FPRND 0 | |
257 | #endif | |
258 | ||
259 | /* Define TARGET_CMPB if the target assembler does not support the | |
260 | cmpb instruction. */ | |
261 | ||
262 | #ifndef HAVE_AS_CMPB | |
263 | #undef TARGET_CMPB | |
264 | #define TARGET_CMPB 0 | |
265 | #endif | |
266 | ||
267 | /* Define TARGET_MFPGPR if the target assembler does not support the | |
268 | mffpr and mftgpr instructions. */ | |
269 | ||
270 | #ifndef HAVE_AS_MFPGPR | |
271 | #undef TARGET_MFPGPR | |
272 | #define TARGET_MFPGPR 0 | |
273 | #endif | |
274 | ||
275 | /* Define TARGET_DFP if the target assembler does not support decimal | |
276 | floating point instructions. */ | |
277 | #ifndef HAVE_AS_DFP | |
278 | #undef TARGET_DFP | |
279 | #define TARGET_DFP 0 | |
280 | #endif | |
281 | ||
282 | /* Define TARGET_POPCNTD if the target assembler does not support the | |
283 | popcount word and double word instructions. */ | |
284 | ||
285 | #ifndef HAVE_AS_POPCNTD | |
286 | #undef TARGET_POPCNTD | |
287 | #define TARGET_POPCNTD 0 | |
288 | #endif | |
289 | ||
290 | /* Define the ISA 2.07 flags as 0 if the target assembler does not support the | |
291 | waitasecond instruction. Allow -mpower8-fusion, since it does not add new | |
292 | instructions. */ | |
293 | ||
294 | #ifndef HAVE_AS_POWER8 | |
295 | #undef TARGET_DIRECT_MOVE | |
296 | #undef TARGET_CRYPTO | |
297 | #undef TARGET_HTM | |
298 | #undef TARGET_P8_VECTOR | |
299 | #define TARGET_DIRECT_MOVE 0 | |
300 | #define TARGET_CRYPTO 0 | |
301 | #define TARGET_HTM 0 | |
302 | #define TARGET_P8_VECTOR 0 | |
303 | #endif | |
304 | ||
305 | /* Define the ISA 3.0 flags as 0 if the target assembler does not support | |
306 | Power9 instructions. Allow -mpower9-fusion, since it does not add new | |
307 | instructions. Allow -misel, since it predates ISA 3.0 and does | |
308 | not require any Power9 features. */ | |
309 | ||
310 | #ifndef HAVE_AS_POWER9 | |
311 | #undef TARGET_FLOAT128_HW | |
312 | #undef TARGET_MODULO | |
313 | #undef TARGET_P9_VECTOR | |
314 | #undef TARGET_P9_MINMAX | |
315 | #undef TARGET_P9_DFORM_SCALAR | |
316 | #undef TARGET_P9_DFORM_VECTOR | |
317 | #undef TARGET_P9_MISC | |
318 | #define TARGET_FLOAT128_HW 0 | |
319 | #define TARGET_MODULO 0 | |
320 | #define TARGET_P9_VECTOR 0 | |
321 | #define TARGET_P9_MINMAX 0 | |
322 | #define TARGET_P9_DFORM_SCALAR 0 | |
323 | #define TARGET_P9_DFORM_VECTOR 0 | |
324 | #define TARGET_P9_MISC 0 | |
325 | #endif | |
326 | ||
327 | /* Define TARGET_LWSYNC_INSTRUCTION if the assembler knows about lwsync. If | |
328 | not, generate the lwsync code as an integer constant. */ | |
329 | #ifdef HAVE_AS_LWSYNC | |
330 | #define TARGET_LWSYNC_INSTRUCTION 1 | |
331 | #else | |
332 | #define TARGET_LWSYNC_INSTRUCTION 0 | |
333 | #endif | |
334 | ||
335 | /* Define TARGET_TLS_MARKERS if the target assembler does not support | |
336 | arg markers for __tls_get_addr calls. */ | |
337 | #ifndef HAVE_AS_TLS_MARKERS | |
338 | #undef TARGET_TLS_MARKERS | |
339 | #define TARGET_TLS_MARKERS 0 | |
340 | #else | |
341 | #define TARGET_TLS_MARKERS tls_markers | |
342 | #endif | |
343 | ||
344 | #ifndef TARGET_SECURE_PLT | |
345 | #define TARGET_SECURE_PLT 0 | |
346 | #endif | |
347 | ||
348 | #ifndef TARGET_CMODEL | |
349 | #define TARGET_CMODEL CMODEL_SMALL | |
350 | #endif | |
351 | ||
352 | #define TARGET_32BIT (! TARGET_64BIT) | |
353 | ||
354 | #ifndef HAVE_AS_TLS | |
355 | #define HAVE_AS_TLS 0 | |
356 | #endif | |
357 | ||
358 | #ifndef TARGET_LINK_STACK | |
359 | #define TARGET_LINK_STACK 0 | |
360 | #endif | |
361 | ||
362 | #ifndef SET_TARGET_LINK_STACK | |
363 | #define SET_TARGET_LINK_STACK(X) do { } while (0) | |
364 | #endif | |
365 | ||
366 | #ifndef TARGET_FLOAT128_ENABLE_TYPE | |
367 | #define TARGET_FLOAT128_ENABLE_TYPE 0 | |
368 | #endif | |
369 | ||
370 | /* Return 1 for a symbol ref for a thread-local storage symbol. */ | |
371 | #define RS6000_SYMBOL_REF_TLS_P(RTX) \ | |
372 | (GET_CODE (RTX) == SYMBOL_REF && SYMBOL_REF_TLS_MODEL (RTX) != 0) | |
373 | ||
374 | #ifdef IN_LIBGCC2 | |
375 | /* For libgcc2 we make sure this is a compile time constant */ | |
376 | #if defined (__64BIT__) || defined (__powerpc64__) || defined (__ppc64__) | |
377 | #undef TARGET_POWERPC64 | |
378 | #define TARGET_POWERPC64 1 | |
379 | #else | |
380 | #undef TARGET_POWERPC64 | |
381 | #define TARGET_POWERPC64 0 | |
382 | #endif | |
383 | #else | |
384 | /* The option machinery will define this. */ | |
385 | #endif | |
386 | ||
387 | #define TARGET_DEFAULT (MASK_MULTIPLE | MASK_STRING) | |
388 | ||
389 | /* FPU operations supported. | |
390 | Each use of TARGET_SINGLE_FLOAT or TARGET_DOUBLE_FLOAT must | |
391 | also test TARGET_HARD_FLOAT. */ | |
392 | #define TARGET_SINGLE_FLOAT 1 | |
393 | #define TARGET_DOUBLE_FLOAT 1 | |
394 | #define TARGET_SINGLE_FPU 0 | |
395 | #define TARGET_SIMPLE_FPU 0 | |
396 | #define TARGET_XILINX_FPU 0 | |
397 | ||
398 | /* Recast the processor type to the cpu attribute. */ | |
399 | #define rs6000_cpu_attr ((enum attr_cpu)rs6000_cpu) | |
400 | ||
401 | /* Define generic processor types based upon current deployment. */ | |
402 | #define PROCESSOR_COMMON PROCESSOR_PPC601 | |
403 | #define PROCESSOR_POWERPC PROCESSOR_PPC604 | |
404 | #define PROCESSOR_POWERPC64 PROCESSOR_RS64A | |
405 | ||
406 | /* Define the default processor. This is overridden by other tm.h files. */ | |
407 | #define PROCESSOR_DEFAULT PROCESSOR_PPC603 | |
408 | #define PROCESSOR_DEFAULT64 PROCESSOR_RS64A | |
409 | ||
410 | /* Specify the dialect of assembler to use. Only new mnemonics are supported | |
411 | starting with GCC 4.8, i.e. just one dialect, but for backwards | |
412 | compatibility with older inline asm ASSEMBLER_DIALECT needs to be | |
413 | defined. */ | |
414 | #define ASSEMBLER_DIALECT 1 | |
415 | ||
416 | /* Debug support */ | |
417 | #define MASK_DEBUG_STACK 0x01 /* debug stack applications */ | |
418 | #define MASK_DEBUG_ARG 0x02 /* debug argument handling */ | |
419 | #define MASK_DEBUG_REG 0x04 /* debug register handling */ | |
420 | #define MASK_DEBUG_ADDR 0x08 /* debug memory addressing */ | |
421 | #define MASK_DEBUG_COST 0x10 /* debug rtx codes */ | |
422 | #define MASK_DEBUG_TARGET 0x20 /* debug target attribute/pragma */ | |
423 | #define MASK_DEBUG_BUILTIN 0x40 /* debug builtins */ | |
424 | #define MASK_DEBUG_ALL (MASK_DEBUG_STACK \ | |
425 | | MASK_DEBUG_ARG \ | |
426 | | MASK_DEBUG_REG \ | |
427 | | MASK_DEBUG_ADDR \ | |
428 | | MASK_DEBUG_COST \ | |
429 | | MASK_DEBUG_TARGET \ | |
430 | | MASK_DEBUG_BUILTIN) | |
431 | ||
432 | #define TARGET_DEBUG_STACK (rs6000_debug & MASK_DEBUG_STACK) | |
433 | #define TARGET_DEBUG_ARG (rs6000_debug & MASK_DEBUG_ARG) | |
434 | #define TARGET_DEBUG_REG (rs6000_debug & MASK_DEBUG_REG) | |
435 | #define TARGET_DEBUG_ADDR (rs6000_debug & MASK_DEBUG_ADDR) | |
436 | #define TARGET_DEBUG_COST (rs6000_debug & MASK_DEBUG_COST) | |
437 | #define TARGET_DEBUG_TARGET (rs6000_debug & MASK_DEBUG_TARGET) | |
438 | #define TARGET_DEBUG_BUILTIN (rs6000_debug & MASK_DEBUG_BUILTIN) | |
439 | ||
440 | /* Helper macros for TFmode. Quad floating point (TFmode) can be either IBM | |
441 | long double format that uses a pair of doubles, or IEEE 128-bit floating | |
442 | point. KFmode was added as a way to represent IEEE 128-bit floating point, | |
443 | even if the default for long double is the IBM long double format. | |
444 | Similarly IFmode is the IBM long double format even if the default is IEEE | |
445 | 128-bit. Don't allow IFmode if -msoft-float. */ | |
446 | #define FLOAT128_IEEE_P(MODE) \ | |
447 | ((TARGET_IEEEQUAD && ((MODE) == TFmode || (MODE) == TCmode)) \ | |
448 | || ((MODE) == KFmode) || ((MODE) == KCmode)) | |
449 | ||
450 | #define FLOAT128_IBM_P(MODE) \ | |
451 | ((!TARGET_IEEEQUAD && ((MODE) == TFmode || (MODE) == TCmode)) \ | |
452 | || (TARGET_HARD_FLOAT && TARGET_FPRS \ | |
453 | && ((MODE) == IFmode || (MODE) == ICmode))) | |
454 | ||
455 | /* Helper macros to say whether a 128-bit floating point type can go in a | |
456 | single vector register, or whether it needs paired scalar values. */ | |
457 | #define FLOAT128_VECTOR_P(MODE) (TARGET_FLOAT128_TYPE && FLOAT128_IEEE_P (MODE)) | |
458 | ||
459 | #define FLOAT128_2REG_P(MODE) \ | |
460 | (FLOAT128_IBM_P (MODE) \ | |
461 | || ((MODE) == TDmode) \ | |
462 | || (!TARGET_FLOAT128_TYPE && FLOAT128_IEEE_P (MODE))) | |
463 | ||
464 | /* Return true for floating point that does not use a vector register. */ | |
465 | #define SCALAR_FLOAT_MODE_NOT_VECTOR_P(MODE) \ | |
466 | (SCALAR_FLOAT_MODE_P (MODE) && !FLOAT128_VECTOR_P (MODE)) | |
467 | ||
468 | /* Describe the vector unit used for arithmetic operations. */ | |
469 | extern enum rs6000_vector rs6000_vector_unit[]; | |
470 | ||
471 | #define VECTOR_UNIT_NONE_P(MODE) \ | |
472 | (rs6000_vector_unit[(MODE)] == VECTOR_NONE) | |
473 | ||
474 | #define VECTOR_UNIT_VSX_P(MODE) \ | |
475 | (rs6000_vector_unit[(MODE)] == VECTOR_VSX) | |
476 | ||
477 | #define VECTOR_UNIT_P8_VECTOR_P(MODE) \ | |
478 | (rs6000_vector_unit[(MODE)] == VECTOR_P8_VECTOR) | |
479 | ||
480 | #define VECTOR_UNIT_ALTIVEC_P(MODE) \ | |
481 | (rs6000_vector_unit[(MODE)] == VECTOR_ALTIVEC) | |
482 | ||
483 | #define VECTOR_UNIT_VSX_OR_P8_VECTOR_P(MODE) \ | |
484 | (IN_RANGE ((int)rs6000_vector_unit[(MODE)], \ | |
485 | (int)VECTOR_VSX, \ | |
486 | (int)VECTOR_P8_VECTOR)) | |
487 | ||
488 | /* VECTOR_UNIT_ALTIVEC_OR_VSX_P is used in places where we are using either | |
489 | altivec (VMX) or VSX vector instructions. P8 vector support is upwards | |
490 | compatible, so allow it as well, rather than changing all of the uses of the | |
491 | macro. */ | |
492 | #define VECTOR_UNIT_ALTIVEC_OR_VSX_P(MODE) \ | |
493 | (IN_RANGE ((int)rs6000_vector_unit[(MODE)], \ | |
494 | (int)VECTOR_ALTIVEC, \ | |
495 | (int)VECTOR_P8_VECTOR)) | |
496 | ||
497 | /* Describe whether to use VSX loads or Altivec loads. For now, just use the | |
498 | same unit as the vector unit we are using, but we may want to migrate to | |
499 | using VSX style loads even for types handled by altivec. */ | |
500 | extern enum rs6000_vector rs6000_vector_mem[]; | |
501 | ||
502 | #define VECTOR_MEM_NONE_P(MODE) \ | |
503 | (rs6000_vector_mem[(MODE)] == VECTOR_NONE) | |
504 | ||
505 | #define VECTOR_MEM_VSX_P(MODE) \ | |
506 | (rs6000_vector_mem[(MODE)] == VECTOR_VSX) | |
507 | ||
508 | #define VECTOR_MEM_P8_VECTOR_P(MODE) \ | |
509 | (rs6000_vector_mem[(MODE)] == VECTOR_VSX) | |
510 | ||
511 | #define VECTOR_MEM_ALTIVEC_P(MODE) \ | |
512 | (rs6000_vector_mem[(MODE)] == VECTOR_ALTIVEC) | |
513 | ||
514 | #define VECTOR_MEM_VSX_OR_P8_VECTOR_P(MODE) \ | |
515 | (IN_RANGE ((int)rs6000_vector_mem[(MODE)], \ | |
516 | (int)VECTOR_VSX, \ | |
517 | (int)VECTOR_P8_VECTOR)) | |
518 | ||
519 | #define VECTOR_MEM_ALTIVEC_OR_VSX_P(MODE) \ | |
520 | (IN_RANGE ((int)rs6000_vector_mem[(MODE)], \ | |
521 | (int)VECTOR_ALTIVEC, \ | |
522 | (int)VECTOR_P8_VECTOR)) | |
523 | ||
524 | /* Return the alignment of a given vector type, which is set based on the | |
525 | vector unit use. VSX for instance can load 32 or 64 bit aligned words | |
526 | without problems, while Altivec requires 128-bit aligned vectors. */ | |
527 | extern int rs6000_vector_align[]; | |
528 | ||
529 | #define VECTOR_ALIGN(MODE) \ | |
530 | ((rs6000_vector_align[(MODE)] != 0) \ | |
531 | ? rs6000_vector_align[(MODE)] \ | |
532 | : (int)GET_MODE_BITSIZE ((MODE))) | |
533 | ||
534 | /* Determine the element order to use for vector instructions. By | |
535 | default we use big-endian element order when targeting big-endian, | |
536 | and little-endian element order when targeting little-endian. For | |
537 | programs being ported from BE Power to LE Power, it can sometimes | |
538 | be useful to use big-endian element order when targeting little-endian. | |
539 | This is set via -maltivec=be, for example. */ | |
540 | #define VECTOR_ELT_ORDER_BIG \ | |
541 | (BYTES_BIG_ENDIAN || (rs6000_altivec_element_order == 2)) | |
542 | ||
543 | /* Element number of the 64-bit value in a 128-bit vector that can be accessed | |
544 | with scalar instructions. */ | |
545 | #define VECTOR_ELEMENT_SCALAR_64BIT ((BYTES_BIG_ENDIAN) ? 0 : 1) | |
546 | ||
547 | /* Element number of the 64-bit value in a 128-bit vector that can be accessed | |
548 | with the ISA 3.0 MFVSRLD instructions. */ | |
549 | #define VECTOR_ELEMENT_MFVSRLD_64BIT ((BYTES_BIG_ENDIAN) ? 1 : 0) | |
550 | ||
551 | /* Alignment options for fields in structures for sub-targets following | |
552 | AIX-like ABI. | |
553 | ALIGN_POWER word-aligns FP doubles (default AIX ABI). | |
554 | ALIGN_NATURAL doubleword-aligns FP doubles (align to object size). | |
555 | ||
556 | Override the macro definitions when compiling libobjc to avoid undefined | |
557 | reference to rs6000_alignment_flags due to library's use of GCC alignment | |
558 | macros which use the macros below. */ | |
559 | ||
560 | #ifndef IN_TARGET_LIBS | |
561 | #define MASK_ALIGN_POWER 0x00000000 | |
562 | #define MASK_ALIGN_NATURAL 0x00000001 | |
563 | #define TARGET_ALIGN_NATURAL (rs6000_alignment_flags & MASK_ALIGN_NATURAL) | |
564 | #else | |
565 | #define TARGET_ALIGN_NATURAL 0 | |
566 | #endif | |
567 | ||
568 | #define TARGET_LONG_DOUBLE_128 (rs6000_long_double_type_size == 128) | |
569 | #define TARGET_IEEEQUAD rs6000_ieeequad | |
570 | #define TARGET_ALTIVEC_ABI rs6000_altivec_abi | |
571 | #define TARGET_LDBRX (TARGET_POPCNTD || rs6000_cpu == PROCESSOR_CELL) | |
572 | ||
573 | #define TARGET_SPE_ABI 0 | |
574 | #define TARGET_SPE 0 | |
575 | #define TARGET_ISEL64 (TARGET_ISEL && TARGET_POWERPC64) | |
576 | #define TARGET_FPRS 1 | |
577 | #define TARGET_E500_SINGLE 0 | |
578 | #define TARGET_E500_DOUBLE 0 | |
579 | #define CHECK_E500_OPTIONS do { } while (0) | |
580 | ||
581 | /* ISA 2.01 allowed FCFID to be done in 32-bit, previously it was 64-bit only. | |
582 | Enable 32-bit fcfid's on any of the switches for newer ISA machines or | |
583 | XILINX. */ | |
584 | #define TARGET_FCFID (TARGET_POWERPC64 \ | |
585 | || TARGET_PPC_GPOPT /* 970/power4 */ \ | |
586 | || TARGET_POPCNTB /* ISA 2.02 */ \ | |
587 | || TARGET_CMPB /* ISA 2.05 */ \ | |
588 | || TARGET_POPCNTD /* ISA 2.06 */ \ | |
589 | || TARGET_XILINX_FPU) | |
590 | ||
591 | #define TARGET_FCTIDZ TARGET_FCFID | |
592 | #define TARGET_STFIWX TARGET_PPC_GFXOPT | |
593 | #define TARGET_LFIWAX TARGET_CMPB | |
594 | #define TARGET_LFIWZX TARGET_POPCNTD | |
595 | #define TARGET_FCFIDS TARGET_POPCNTD | |
596 | #define TARGET_FCFIDU TARGET_POPCNTD | |
597 | #define TARGET_FCFIDUS TARGET_POPCNTD | |
598 | #define TARGET_FCTIDUZ TARGET_POPCNTD | |
599 | #define TARGET_FCTIWUZ TARGET_POPCNTD | |
600 | #define TARGET_CTZ TARGET_MODULO | |
601 | #define TARGET_EXTSWSLI (TARGET_MODULO && TARGET_POWERPC64) | |
602 | #define TARGET_MADDLD (TARGET_MODULO && TARGET_POWERPC64) | |
603 | ||
604 | #define TARGET_XSCVDPSPN (TARGET_DIRECT_MOVE || TARGET_P8_VECTOR) | |
605 | #define TARGET_XSCVSPDPN (TARGET_DIRECT_MOVE || TARGET_P8_VECTOR) | |
606 | #define TARGET_VADDUQM (TARGET_P8_VECTOR && TARGET_POWERPC64) | |
607 | #define TARGET_DIRECT_MOVE_128 (TARGET_P9_VECTOR && TARGET_DIRECT_MOVE \ | |
608 | && TARGET_POWERPC64) | |
609 | #define TARGET_VEXTRACTUB (TARGET_P9_VECTOR && TARGET_DIRECT_MOVE \ | |
610 | && TARGET_UPPER_REGS_DI && TARGET_POWERPC64) | |
611 | ||
612 | ||
613 | /* Whether we should avoid (SUBREG:SI (REG:SF) and (SUBREG:SF (REG:SI). */ | |
614 | #define TARGET_NO_SF_SUBREG TARGET_DIRECT_MOVE_64BIT | |
615 | #define TARGET_ALLOW_SF_SUBREG (!TARGET_DIRECT_MOVE_64BIT) | |
616 | ||
617 | /* This wants to be set for p8 and newer. On p7, overlapping unaligned | |
618 | loads are slow. */ | |
619 | #define TARGET_EFFICIENT_OVERLAPPING_UNALIGNED TARGET_EFFICIENT_UNALIGNED_VSX | |
620 | ||
621 | /* Byte/char syncs were added as phased in for ISA 2.06B, but are not present | |
622 | in power7, so conditionalize them on p8 features. TImode syncs need quad | |
623 | memory support. */ | |
624 | #define TARGET_SYNC_HI_QI (TARGET_QUAD_MEMORY \ | |
625 | || TARGET_QUAD_MEMORY_ATOMIC \ | |
626 | || TARGET_DIRECT_MOVE) | |
627 | ||
628 | #define TARGET_SYNC_TI TARGET_QUAD_MEMORY_ATOMIC | |
629 | ||
630 | /* Power7 has both 32-bit load and store integer for the FPRs, so we don't need | |
631 | to allocate the SDmode stack slot to get the value into the proper location | |
632 | in the register. */ | |
633 | #define TARGET_NO_SDMODE_STACK (TARGET_LFIWZX && TARGET_STFIWX && TARGET_DFP) | |
634 | ||
635 | /* ISA 3.0 has new min/max functions that don't need fast math that are being | |
636 | phased in. Min/max using FSEL or XSMAXDP/XSMINDP do not return the correct | |
637 | answers if the arguments are not in the normal range. */ | |
638 | #define TARGET_MINMAX_SF (TARGET_SF_FPR && TARGET_PPC_GFXOPT \ | |
639 | && (TARGET_P9_MINMAX || !flag_trapping_math)) | |
640 | ||
641 | #define TARGET_MINMAX_DF (TARGET_DF_FPR && TARGET_PPC_GFXOPT \ | |
642 | && (TARGET_P9_MINMAX || !flag_trapping_math)) | |
643 | ||
644 | /* In switching from using target_flags to using rs6000_isa_flags, the options | |
645 | machinery creates OPTION_MASK_<xxx> instead of MASK_<xxx>. For now map | |
646 | OPTION_MASK_<xxx> back into MASK_<xxx>. */ | |
647 | #define MASK_ALTIVEC OPTION_MASK_ALTIVEC | |
648 | #define MASK_CMPB OPTION_MASK_CMPB | |
649 | #define MASK_CRYPTO OPTION_MASK_CRYPTO | |
650 | #define MASK_DFP OPTION_MASK_DFP | |
651 | #define MASK_DIRECT_MOVE OPTION_MASK_DIRECT_MOVE | |
652 | #define MASK_DLMZB OPTION_MASK_DLMZB | |
653 | #define MASK_EABI OPTION_MASK_EABI | |
654 | #define MASK_FLOAT128_TYPE OPTION_MASK_FLOAT128_TYPE | |
655 | #define MASK_FPRND OPTION_MASK_FPRND | |
656 | #define MASK_P8_FUSION OPTION_MASK_P8_FUSION | |
657 | #define MASK_HARD_FLOAT OPTION_MASK_HARD_FLOAT | |
658 | #define MASK_HTM OPTION_MASK_HTM | |
659 | #define MASK_ISEL OPTION_MASK_ISEL | |
660 | #define MASK_MFCRF OPTION_MASK_MFCRF | |
661 | #define MASK_MFPGPR OPTION_MASK_MFPGPR | |
662 | #define MASK_MULHW OPTION_MASK_MULHW | |
663 | #define MASK_MULTIPLE OPTION_MASK_MULTIPLE | |
664 | #define MASK_NO_UPDATE OPTION_MASK_NO_UPDATE | |
665 | #define MASK_P8_VECTOR OPTION_MASK_P8_VECTOR | |
666 | #define MASK_P9_VECTOR OPTION_MASK_P9_VECTOR | |
667 | #define MASK_P9_MISC OPTION_MASK_P9_MISC | |
668 | #define MASK_POPCNTB OPTION_MASK_POPCNTB | |
669 | #define MASK_POPCNTD OPTION_MASK_POPCNTD | |
670 | #define MASK_PPC_GFXOPT OPTION_MASK_PPC_GFXOPT | |
671 | #define MASK_PPC_GPOPT OPTION_MASK_PPC_GPOPT | |
672 | #define MASK_RECIP_PRECISION OPTION_MASK_RECIP_PRECISION | |
673 | #define MASK_SOFT_FLOAT OPTION_MASK_SOFT_FLOAT | |
674 | #define MASK_STRICT_ALIGN OPTION_MASK_STRICT_ALIGN | |
675 | #define MASK_STRING OPTION_MASK_STRING | |
676 | #define MASK_UPDATE OPTION_MASK_UPDATE | |
677 | #define MASK_VSX OPTION_MASK_VSX | |
678 | #define MASK_VSX_TIMODE OPTION_MASK_VSX_TIMODE | |
679 | ||
680 | #ifndef IN_LIBGCC2 | |
681 | #define MASK_POWERPC64 OPTION_MASK_POWERPC64 | |
682 | #endif | |
683 | ||
684 | #ifdef TARGET_64BIT | |
685 | #define MASK_64BIT OPTION_MASK_64BIT | |
686 | #endif | |
687 | ||
688 | #ifdef TARGET_LITTLE_ENDIAN | |
689 | #define MASK_LITTLE_ENDIAN OPTION_MASK_LITTLE_ENDIAN | |
690 | #endif | |
691 | ||
692 | #ifdef TARGET_REGNAMES | |
693 | #define MASK_REGNAMES OPTION_MASK_REGNAMES | |
694 | #endif | |
695 | ||
696 | #ifdef TARGET_PROTOTYPE | |
697 | #define MASK_PROTOTYPE OPTION_MASK_PROTOTYPE | |
698 | #endif | |
699 | ||
700 | #ifdef TARGET_MODULO | |
701 | #define RS6000_BTM_MODULO OPTION_MASK_MODULO | |
702 | #endif | |
703 | ||
704 | ||
705 | /* For power systems, we want to enable Altivec and VSX builtins even if the | |
706 | user did not use -maltivec or -mvsx to allow the builtins to be used inside | |
707 | of #pragma GCC target or the target attribute to change the code level for a | |
708 | given system. The SPE and Paired builtins are only enabled if you configure | |
709 | the compiler for those builtins, and those machines don't support altivec or | |
710 | VSX. */ | |
711 | ||
712 | #define TARGET_EXTRA_BUILTINS (!TARGET_SPE && !TARGET_PAIRED_FLOAT \ | |
713 | && ((TARGET_POWERPC64 \ | |
714 | || TARGET_PPC_GPOPT /* 970/power4 */ \ | |
715 | || TARGET_POPCNTB /* ISA 2.02 */ \ | |
716 | || TARGET_CMPB /* ISA 2.05 */ \ | |
717 | || TARGET_POPCNTD /* ISA 2.06 */ \ | |
718 | || TARGET_ALTIVEC \ | |
719 | || TARGET_VSX \ | |
720 | || TARGET_HARD_FLOAT))) | |
721 | ||
722 | /* E500 cores only support plain "sync", not lwsync. */ | |
723 | #define TARGET_NO_LWSYNC (rs6000_cpu == PROCESSOR_PPC8540 \ | |
724 | || rs6000_cpu == PROCESSOR_PPC8548) | |
725 | ||
726 | ||
727 | /* Whether SF/DF operations are supported on the E500. */ | |
728 | #define TARGET_SF_SPE (TARGET_HARD_FLOAT && TARGET_SINGLE_FLOAT \ | |
729 | && !TARGET_FPRS) | |
730 | ||
731 | #define TARGET_DF_SPE (TARGET_HARD_FLOAT && TARGET_DOUBLE_FLOAT \ | |
732 | && !TARGET_FPRS && TARGET_E500_DOUBLE) | |
733 | ||
734 | /* Whether SF/DF operations are supported by the normal floating point unit | |
735 | (or the vector/scalar unit). */ | |
736 | #define TARGET_SF_FPR (TARGET_HARD_FLOAT && TARGET_FPRS \ | |
737 | && TARGET_SINGLE_FLOAT) | |
738 | ||
739 | #define TARGET_DF_FPR (TARGET_HARD_FLOAT && TARGET_FPRS \ | |
740 | && TARGET_DOUBLE_FLOAT) | |
741 | ||
742 | /* Whether SF/DF operations are supported by any hardware. */ | |
743 | #define TARGET_SF_INSN (TARGET_SF_FPR || TARGET_SF_SPE) | |
744 | #define TARGET_DF_INSN (TARGET_DF_FPR || TARGET_DF_SPE) | |
745 | ||
746 | /* Which machine supports the various reciprocal estimate instructions. */ | |
747 | #define TARGET_FRES (TARGET_HARD_FLOAT && TARGET_PPC_GFXOPT \ | |
748 | && TARGET_FPRS && TARGET_SINGLE_FLOAT) | |
749 | ||
750 | #define TARGET_FRE (TARGET_HARD_FLOAT && TARGET_FPRS \ | |
751 | && TARGET_DOUBLE_FLOAT \ | |
752 | && (TARGET_POPCNTB || VECTOR_UNIT_VSX_P (DFmode))) | |
753 | ||
754 | #define TARGET_FRSQRTES (TARGET_HARD_FLOAT && TARGET_POPCNTB \ | |
755 | && TARGET_PPC_GFXOPT && TARGET_FPRS \ | |
756 | && TARGET_SINGLE_FLOAT) | |
757 | ||
758 | #define TARGET_FRSQRTE (TARGET_HARD_FLOAT && TARGET_FPRS \ | |
759 | && TARGET_DOUBLE_FLOAT \ | |
760 | && (TARGET_PPC_GFXOPT || VECTOR_UNIT_VSX_P (DFmode))) | |
761 | ||
762 | /* Conditions to allow TOC fusion for loading/storing integers. */ | |
763 | #define TARGET_TOC_FUSION_INT (TARGET_P8_FUSION \ | |
764 | && TARGET_TOC_FUSION \ | |
765 | && (TARGET_CMODEL != CMODEL_SMALL) \ | |
766 | && TARGET_POWERPC64) | |
767 | ||
768 | /* Conditions to allow TOC fusion for loading/storing floating point. */ | |
769 | #define TARGET_TOC_FUSION_FP (TARGET_P9_FUSION \ | |
770 | && TARGET_TOC_FUSION \ | |
771 | && (TARGET_CMODEL != CMODEL_SMALL) \ | |
772 | && TARGET_POWERPC64 \ | |
773 | && TARGET_HARD_FLOAT \ | |
774 | && TARGET_FPRS \ | |
775 | && TARGET_SINGLE_FLOAT \ | |
776 | && TARGET_DOUBLE_FLOAT) | |
777 | ||
778 | /* Macro to say whether we can do optimizations where we need to do parts of | |
779 | the calculation in 64-bit GPRs and then is transfered to the vector | |
780 | registers. Do not allow -maltivec=be for these optimizations, because it | |
781 | adds to the complexity of the code. */ | |
782 | #define TARGET_DIRECT_MOVE_64BIT (TARGET_DIRECT_MOVE \ | |
783 | && TARGET_P8_VECTOR \ | |
784 | && TARGET_POWERPC64 \ | |
785 | && TARGET_UPPER_REGS_DI \ | |
786 | && (rs6000_altivec_element_order != 2)) | |
787 | ||
788 | /* Whether the various reciprocal divide/square root estimate instructions | |
789 | exist, and whether we should automatically generate code for the instruction | |
790 | by default. */ | |
791 | #define RS6000_RECIP_MASK_HAVE_RE 0x1 /* have RE instruction. */ | |
792 | #define RS6000_RECIP_MASK_AUTO_RE 0x2 /* generate RE by default. */ | |
793 | #define RS6000_RECIP_MASK_HAVE_RSQRTE 0x4 /* have RSQRTE instruction. */ | |
794 | #define RS6000_RECIP_MASK_AUTO_RSQRTE 0x8 /* gen. RSQRTE by default. */ | |
795 | ||
796 | extern unsigned char rs6000_recip_bits[]; | |
797 | ||
798 | #define RS6000_RECIP_HAVE_RE_P(MODE) \ | |
799 | (rs6000_recip_bits[(int)(MODE)] & RS6000_RECIP_MASK_HAVE_RE) | |
800 | ||
801 | #define RS6000_RECIP_AUTO_RE_P(MODE) \ | |
802 | (rs6000_recip_bits[(int)(MODE)] & RS6000_RECIP_MASK_AUTO_RE) | |
803 | ||
804 | #define RS6000_RECIP_HAVE_RSQRTE_P(MODE) \ | |
805 | (rs6000_recip_bits[(int)(MODE)] & RS6000_RECIP_MASK_HAVE_RSQRTE) | |
806 | ||
807 | #define RS6000_RECIP_AUTO_RSQRTE_P(MODE) \ | |
808 | (rs6000_recip_bits[(int)(MODE)] & RS6000_RECIP_MASK_AUTO_RSQRTE) | |
809 | ||
810 | /* The default CPU for TARGET_OPTION_OVERRIDE. */ | |
811 | #define OPTION_TARGET_CPU_DEFAULT TARGET_CPU_DEFAULT | |
812 | ||
813 | /* Target pragma. */ | |
814 | #define REGISTER_TARGET_PRAGMAS() do { \ | |
815 | c_register_pragma (0, "longcall", rs6000_pragma_longcall); \ | |
816 | targetm.target_option.pragma_parse = rs6000_pragma_target_parse; \ | |
817 | targetm.resolve_overloaded_builtin = altivec_resolve_overloaded_builtin; \ | |
818 | rs6000_target_modify_macros_ptr = rs6000_target_modify_macros; \ | |
819 | } while (0) | |
820 | ||
821 | /* Target #defines. */ | |
822 | #define TARGET_CPU_CPP_BUILTINS() \ | |
823 | rs6000_cpu_cpp_builtins (pfile) | |
824 | ||
825 | /* This is used by rs6000_cpu_cpp_builtins to indicate the byte order | |
826 | we're compiling for. Some configurations may need to override it. */ | |
827 | #define RS6000_CPU_CPP_ENDIAN_BUILTINS() \ | |
828 | do \ | |
829 | { \ | |
830 | if (BYTES_BIG_ENDIAN) \ | |
831 | { \ | |
832 | builtin_define ("__BIG_ENDIAN__"); \ | |
833 | builtin_define ("_BIG_ENDIAN"); \ | |
834 | builtin_assert ("machine=bigendian"); \ | |
835 | } \ | |
836 | else \ | |
837 | { \ | |
838 | builtin_define ("__LITTLE_ENDIAN__"); \ | |
839 | builtin_define ("_LITTLE_ENDIAN"); \ | |
840 | builtin_assert ("machine=littleendian"); \ | |
841 | } \ | |
842 | } \ | |
843 | while (0) | |
844 | \f | |
845 | /* Target machine storage layout. */ | |
846 | ||
847 | /* Define this macro if it is advisable to hold scalars in registers | |
848 | in a wider mode than that declared by the program. In such cases, | |
849 | the value is constrained to be within the bounds of the declared | |
850 | type, but kept valid in the wider mode. The signedness of the | |
851 | extension may differ from that of the type. */ | |
852 | ||
853 | #define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \ | |
854 | if (GET_MODE_CLASS (MODE) == MODE_INT \ | |
855 | && GET_MODE_SIZE (MODE) < (TARGET_32BIT ? 4 : 8)) \ | |
856 | (MODE) = TARGET_32BIT ? SImode : DImode; | |
857 | ||
858 | /* Define this if most significant bit is lowest numbered | |
859 | in instructions that operate on numbered bit-fields. */ | |
860 | /* That is true on RS/6000. */ | |
861 | #define BITS_BIG_ENDIAN 1 | |
862 | ||
863 | /* Define this if most significant byte of a word is the lowest numbered. */ | |
864 | /* That is true on RS/6000. */ | |
865 | #define BYTES_BIG_ENDIAN 1 | |
866 | ||
867 | /* Define this if most significant word of a multiword number is lowest | |
868 | numbered. | |
869 | ||
870 | For RS/6000 we can decide arbitrarily since there are no machine | |
871 | instructions for them. Might as well be consistent with bits and bytes. */ | |
872 | #define WORDS_BIG_ENDIAN 1 | |
873 | ||
874 | /* This says that for the IBM long double the larger magnitude double | |
875 | comes first. It's really a two element double array, and arrays | |
876 | don't index differently between little- and big-endian. */ | |
877 | #define LONG_DOUBLE_LARGE_FIRST 1 | |
878 | ||
879 | #define MAX_BITS_PER_WORD 64 | |
880 | ||
881 | /* Width of a word, in units (bytes). */ | |
882 | #define UNITS_PER_WORD (! TARGET_POWERPC64 ? 4 : 8) | |
883 | #ifdef IN_LIBGCC2 | |
884 | #define MIN_UNITS_PER_WORD UNITS_PER_WORD | |
885 | #else | |
886 | #define MIN_UNITS_PER_WORD 4 | |
887 | #endif | |
888 | #define UNITS_PER_FP_WORD 8 | |
889 | #define UNITS_PER_ALTIVEC_WORD 16 | |
890 | #define UNITS_PER_VSX_WORD 16 | |
891 | #define UNITS_PER_SPE_WORD 8 | |
892 | #define UNITS_PER_PAIRED_WORD 8 | |
893 | ||
894 | /* Type used for ptrdiff_t, as a string used in a declaration. */ | |
895 | #define PTRDIFF_TYPE "int" | |
896 | ||
897 | /* Type used for size_t, as a string used in a declaration. */ | |
898 | #define SIZE_TYPE "long unsigned int" | |
899 | ||
900 | /* Type used for wchar_t, as a string used in a declaration. */ | |
901 | #define WCHAR_TYPE "short unsigned int" | |
902 | ||
903 | /* Width of wchar_t in bits. */ | |
904 | #define WCHAR_TYPE_SIZE 16 | |
905 | ||
906 | /* A C expression for the size in bits of the type `short' on the | |
907 | target machine. If you don't define this, the default is half a | |
908 | word. (If this would be less than one storage unit, it is | |
909 | rounded up to one unit.) */ | |
910 | #define SHORT_TYPE_SIZE 16 | |
911 | ||
912 | /* A C expression for the size in bits of the type `int' on the | |
913 | target machine. If you don't define this, the default is one | |
914 | word. */ | |
915 | #define INT_TYPE_SIZE 32 | |
916 | ||
917 | /* A C expression for the size in bits of the type `long' on the | |
918 | target machine. If you don't define this, the default is one | |
919 | word. */ | |
920 | #define LONG_TYPE_SIZE (TARGET_32BIT ? 32 : 64) | |
921 | ||
922 | /* A C expression for the size in bits of the type `long long' on the | |
923 | target machine. If you don't define this, the default is two | |
924 | words. */ | |
925 | #define LONG_LONG_TYPE_SIZE 64 | |
926 | ||
927 | /* A C expression for the size in bits of the type `float' on the | |
928 | target machine. If you don't define this, the default is one | |
929 | word. */ | |
930 | #define FLOAT_TYPE_SIZE 32 | |
931 | ||
932 | /* A C expression for the size in bits of the type `double' on the | |
933 | target machine. If you don't define this, the default is two | |
934 | words. */ | |
935 | #define DOUBLE_TYPE_SIZE 64 | |
936 | ||
937 | /* A C expression for the size in bits of the type `long double' on | |
938 | the target machine. If you don't define this, the default is two | |
939 | words. */ | |
940 | #define LONG_DOUBLE_TYPE_SIZE rs6000_long_double_type_size | |
941 | ||
942 | /* Work around rs6000_long_double_type_size dependency in ada/targtyps.c. */ | |
943 | #define WIDEST_HARDWARE_FP_SIZE 64 | |
944 | ||
945 | /* Width in bits of a pointer. | |
946 | See also the macro `Pmode' defined below. */ | |
947 | extern unsigned rs6000_pointer_size; | |
948 | #define POINTER_SIZE rs6000_pointer_size | |
949 | ||
950 | /* Allocation boundary (in *bits*) for storing arguments in argument list. */ | |
951 | #define PARM_BOUNDARY (TARGET_32BIT ? 32 : 64) | |
952 | ||
953 | /* Boundary (in *bits*) on which stack pointer should be aligned. */ | |
954 | #define STACK_BOUNDARY \ | |
955 | ((TARGET_32BIT && !TARGET_ALTIVEC && !TARGET_ALTIVEC_ABI && !TARGET_VSX) \ | |
956 | ? 64 : 128) | |
957 | ||
958 | /* Allocation boundary (in *bits*) for the code of a function. */ | |
959 | #define FUNCTION_BOUNDARY 32 | |
960 | ||
961 | /* No data type wants to be aligned rounder than this. */ | |
962 | #define BIGGEST_ALIGNMENT 128 | |
963 | ||
964 | /* Alignment of field after `int : 0' in a structure. */ | |
965 | #define EMPTY_FIELD_BOUNDARY 32 | |
966 | ||
967 | /* Every structure's size must be a multiple of this. */ | |
968 | #define STRUCTURE_SIZE_BOUNDARY 8 | |
969 | ||
970 | /* A bit-field declared as `int' forces `int' alignment for the struct. */ | |
971 | #define PCC_BITFIELD_TYPE_MATTERS 1 | |
972 | ||
973 | enum data_align { align_abi, align_opt, align_both }; | |
974 | ||
975 | /* A C expression to compute the alignment for a variables in the | |
976 | local store. TYPE is the data type, and ALIGN is the alignment | |
977 | that the object would ordinarily have. */ | |
978 | #define LOCAL_ALIGNMENT(TYPE, ALIGN) \ | |
979 | rs6000_data_alignment (TYPE, ALIGN, align_both) | |
980 | ||
83349046 SB |
981 | /* Make arrays of chars word-aligned for the same reasons. */ |
982 | #define DATA_ALIGNMENT(TYPE, ALIGN) \ | |
983 | rs6000_data_alignment (TYPE, ALIGN, align_opt) | |
984 | ||
985 | /* Align vectors to 128 bits. Align SPE vectors and E500 v2 doubles to | |
986 | 64 bits. */ | |
987 | #define DATA_ABI_ALIGNMENT(TYPE, ALIGN) \ | |
988 | rs6000_data_alignment (TYPE, ALIGN, align_abi) | |
989 | ||
990 | /* Nonzero if move instructions will actually fail to work | |
991 | when given unaligned data. */ | |
992 | #define STRICT_ALIGNMENT 0 | |
83349046 SB |
993 | \f |
994 | /* Standard register usage. */ | |
995 | ||
996 | /* Number of actual hardware registers. | |
997 | The hardware registers are assigned numbers for the compiler | |
998 | from 0 to just below FIRST_PSEUDO_REGISTER. | |
999 | All registers that the compiler knows about must be given numbers, | |
1000 | even those that are not normally considered general registers. | |
1001 | ||
1002 | RS/6000 has 32 fixed-point registers, 32 floating-point registers, | |
1003 | a count register, a link register, and 8 condition register fields, | |
1004 | which we view here as separate registers. AltiVec adds 32 vector | |
1005 | registers and a VRsave register. | |
1006 | ||
1007 | In addition, the difference between the frame and argument pointers is | |
1008 | a function of the number of registers saved, so we need to have a | |
1009 | register for AP that will later be eliminated in favor of SP or FP. | |
1010 | This is a normal register, but it is fixed. | |
1011 | ||
1012 | We also create a pseudo register for float/int conversions, that will | |
1013 | really represent the memory location used. It is represented here as | |
1014 | a register, in order to work around problems in allocating stack storage | |
1015 | in inline functions. | |
1016 | ||
1017 | Another pseudo (not included in DWARF_FRAME_REGISTERS) is soft frame | |
1018 | pointer, which is eventually eliminated in favor of SP or FP. | |
1019 | ||
1020 | The 3 HTM registers aren't also included in DWARF_FRAME_REGISTERS. */ | |
1021 | ||
1022 | #define FIRST_PSEUDO_REGISTER 149 | |
1023 | ||
1024 | /* This must be included for pre gcc 3.0 glibc compatibility. */ | |
1025 | #define PRE_GCC3_DWARF_FRAME_REGISTERS 77 | |
1026 | ||
1027 | /* True if register is an SPE High register. */ | |
1028 | #define SPE_HIGH_REGNO_P(N) \ | |
1029 | ((N) >= FIRST_SPE_HIGH_REGNO && (N) <= LAST_SPE_HIGH_REGNO) | |
1030 | ||
1031 | /* SPE high registers added as hard regs. | |
1032 | The sfp register and 3 HTM registers | |
1033 | aren't included in DWARF_FRAME_REGISTERS. */ | |
1034 | #define DWARF_FRAME_REGISTERS (FIRST_PSEUDO_REGISTER - 4) | |
1035 | ||
1036 | /* The SPE has an additional 32 synthetic registers, with DWARF debug | |
1037 | info numbering for these registers starting at 1200. While eh_frame | |
1038 | register numbering need not be the same as the debug info numbering, | |
1039 | we choose to number these regs for eh_frame at 1200 too. | |
1040 | ||
1041 | We must map them here to avoid huge unwinder tables mostly consisting | |
1042 | of unused space. */ | |
1043 | #define DWARF_REG_TO_UNWIND_COLUMN(r) \ | |
1044 | ((r) >= 1200 ? ((r) - 1200 + (DWARF_FRAME_REGISTERS - 32)) : (r)) | |
1045 | ||
1046 | /* Use standard DWARF numbering for DWARF debugging information. */ | |
1047 | #define DBX_REGISTER_NUMBER(REGNO) rs6000_dbx_register_number ((REGNO), 0) | |
1048 | ||
1049 | /* Use gcc hard register numbering for eh_frame. */ | |
1050 | #define DWARF_FRAME_REGNUM(REGNO) (REGNO) | |
1051 | ||
1052 | /* Map register numbers held in the call frame info that gcc has | |
1053 | collected using DWARF_FRAME_REGNUM to those that should be output in | |
1054 | .debug_frame and .eh_frame. */ | |
1055 | #define DWARF2_FRAME_REG_OUT(REGNO, FOR_EH) \ | |
1056 | rs6000_dbx_register_number ((REGNO), (FOR_EH)? 2 : 1) | |
1057 | ||
1058 | /* 1 for registers that have pervasive standard uses | |
1059 | and are not available for the register allocator. | |
1060 | ||
1061 | On RS/6000, r1 is used for the stack. On Darwin, r2 is available | |
1062 | as a local register; for all other OS's r2 is the TOC pointer. | |
1063 | ||
1064 | On System V implementations, r13 is fixed and not available for use. */ | |
1065 | ||
1066 | #define FIXED_REGISTERS \ | |
1067 | {0, 1, FIXED_R2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, FIXED_R13, 0, 0, \ | |
1068 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1069 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1070 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1071 | 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, \ | |
1072 | /* AltiVec registers. */ \ | |
1073 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1074 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1075 | 1, 1 \ | |
1076 | , 1, 1, 1, 1, 1, 1, \ | |
1077 | /* SPE High registers. */ \ | |
1078 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ | |
1079 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 \ | |
1080 | } | |
1081 | ||
1082 | /* 1 for registers not available across function calls. | |
1083 | These must include the FIXED_REGISTERS and also any | |
1084 | registers that can be used without being saved. | |
1085 | The latter must include the registers where values are returned | |
1086 | and the register where structure-value addresses are passed. | |
1087 | Aside from that, you can include as many other registers as you like. */ | |
1088 | ||
1089 | #define CALL_USED_REGISTERS \ | |
1090 | {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, FIXED_R13, 0, 0, \ | |
1091 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1092 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, \ | |
1093 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1094 | 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, \ | |
1095 | /* AltiVec registers. */ \ | |
1096 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1097 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1098 | 1, 1 \ | |
1099 | , 1, 1, 1, 1, 1, 1, \ | |
1100 | /* SPE High registers. */ \ | |
1101 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, \ | |
1102 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 \ | |
1103 | } | |
1104 | ||
1105 | /* Like `CALL_USED_REGISTERS' except this macro doesn't require that | |
1106 | the entire set of `FIXED_REGISTERS' be included. | |
1107 | (`CALL_USED_REGISTERS' must be a superset of `FIXED_REGISTERS'). | |
1108 | This macro is optional. If not specified, it defaults to the value | |
1109 | of `CALL_USED_REGISTERS'. */ | |
1110 | ||
1111 | #define CALL_REALLY_USED_REGISTERS \ | |
1112 | {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, FIXED_R13, 0, 0, \ | |
1113 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1114 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, \ | |
1115 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1116 | 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, \ | |
1117 | /* AltiVec registers. */ \ | |
1118 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1119 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1120 | 0, 0 \ | |
1121 | , 0, 0, 0, 0, 0, 0, \ | |
1122 | /* SPE High registers. */ \ | |
1123 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
1124 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 \ | |
1125 | } | |
1126 | ||
1127 | #define TOTAL_ALTIVEC_REGS (LAST_ALTIVEC_REGNO - FIRST_ALTIVEC_REGNO + 1) | |
1128 | ||
1129 | #define FIRST_SAVED_ALTIVEC_REGNO (FIRST_ALTIVEC_REGNO+20) | |
1130 | #define FIRST_SAVED_FP_REGNO (14+32) | |
1131 | #define FIRST_SAVED_GP_REGNO (FIXED_R13 ? 14 : 13) | |
1132 | ||
1133 | /* List the order in which to allocate registers. Each register must be | |
1134 | listed once, even those in FIXED_REGISTERS. | |
1135 | ||
1136 | We allocate in the following order: | |
1137 | fp0 (not saved or used for anything) | |
1138 | fp13 - fp2 (not saved; incoming fp arg registers) | |
1139 | fp1 (not saved; return value) | |
1140 | fp31 - fp14 (saved; order given to save least number) | |
1141 | cr7, cr5 (not saved or special) | |
1142 | cr6 (not saved, but used for vector operations) | |
1143 | cr1 (not saved, but used for FP operations) | |
1144 | cr0 (not saved, but used for arithmetic operations) | |
1145 | cr4, cr3, cr2 (saved) | |
1146 | r9 (not saved; best for TImode) | |
1147 | r10, r8-r4 (not saved; highest first for less conflict with params) | |
1148 | r3 (not saved; return value register) | |
1149 | r11 (not saved; later alloc to help shrink-wrap) | |
1150 | r0 (not saved; cannot be base reg) | |
1151 | r31 - r13 (saved; order given to save least number) | |
1152 | r12 (not saved; if used for DImode or DFmode would use r13) | |
1153 | ctr (not saved; when we have the choice ctr is better) | |
1154 | lr (saved) | |
1155 | r1, r2, ap, ca (fixed) | |
1156 | v0 - v1 (not saved or used for anything) | |
1157 | v13 - v3 (not saved; incoming vector arg registers) | |
1158 | v2 (not saved; incoming vector arg reg; return value) | |
1159 | v19 - v14 (not saved or used for anything) | |
1160 | v31 - v20 (saved; order given to save least number) | |
1161 | vrsave, vscr (fixed) | |
1162 | spe_acc, spefscr (fixed) | |
1163 | sfp (fixed) | |
1164 | tfhar (fixed) | |
1165 | tfiar (fixed) | |
1166 | texasr (fixed) | |
1167 | */ | |
1168 | ||
1169 | #if FIXED_R2 == 1 | |
1170 | #define MAYBE_R2_AVAILABLE | |
1171 | #define MAYBE_R2_FIXED 2, | |
1172 | #else | |
1173 | #define MAYBE_R2_AVAILABLE 2, | |
1174 | #define MAYBE_R2_FIXED | |
1175 | #endif | |
1176 | ||
1177 | #if FIXED_R13 == 1 | |
1178 | #define EARLY_R12 12, | |
1179 | #define LATE_R12 | |
1180 | #else | |
1181 | #define EARLY_R12 | |
1182 | #define LATE_R12 12, | |
1183 | #endif | |
1184 | ||
1185 | #define REG_ALLOC_ORDER \ | |
1186 | {32, \ | |
1187 | /* move fr13 (ie 45) later, so if we need TFmode, it does */ \ | |
1188 | /* not use fr14 which is a saved register. */ \ | |
1189 | 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 45, \ | |
1190 | 33, \ | |
1191 | 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, \ | |
1192 | 50, 49, 48, 47, 46, \ | |
1193 | 75, 73, 74, 69, 68, 72, 71, 70, \ | |
1194 | MAYBE_R2_AVAILABLE \ | |
1195 | 9, 10, 8, 7, 6, 5, 4, \ | |
1196 | 3, EARLY_R12 11, 0, \ | |
1197 | 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, \ | |
1198 | 18, 17, 16, 15, 14, 13, LATE_R12 \ | |
1199 | 66, 65, \ | |
1200 | 1, MAYBE_R2_FIXED 67, 76, \ | |
1201 | /* AltiVec registers. */ \ | |
1202 | 77, 78, \ | |
1203 | 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, \ | |
1204 | 79, \ | |
1205 | 96, 95, 94, 93, 92, 91, \ | |
1206 | 108, 107, 106, 105, 104, 103, 102, 101, 100, 99, 98, 97, \ | |
1207 | 109, 110, \ | |
1208 | 111, 112, 113, 114, 115, 116, \ | |
1209 | 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, \ | |
1210 | 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, \ | |
1211 | 141, 142, 143, 144, 145, 146, 147, 148 \ | |
1212 | } | |
1213 | ||
1214 | /* True if register is floating-point. */ | |
1215 | #define FP_REGNO_P(N) ((N) >= 32 && (N) <= 63) | |
1216 | ||
1217 | /* True if register is a condition register. */ | |
1218 | #define CR_REGNO_P(N) ((N) >= CR0_REGNO && (N) <= CR7_REGNO) | |
1219 | ||
1220 | /* True if register is a condition register, but not cr0. */ | |
1221 | #define CR_REGNO_NOT_CR0_P(N) ((N) >= CR1_REGNO && (N) <= CR7_REGNO) | |
1222 | ||
1223 | /* True if register is an integer register. */ | |
1224 | #define INT_REGNO_P(N) \ | |
1225 | ((N) <= 31 || (N) == ARG_POINTER_REGNUM || (N) == FRAME_POINTER_REGNUM) | |
1226 | ||
1227 | /* SPE SIMD registers are just the GPRs. */ | |
1228 | #define SPE_SIMD_REGNO_P(N) ((N) <= 31) | |
1229 | ||
1230 | /* PAIRED SIMD registers are just the FPRs. */ | |
1231 | #define PAIRED_SIMD_REGNO_P(N) ((N) >= 32 && (N) <= 63) | |
1232 | ||
1233 | /* True if register is the CA register. */ | |
1234 | #define CA_REGNO_P(N) ((N) == CA_REGNO) | |
1235 | ||
1236 | /* True if register is an AltiVec register. */ | |
1237 | #define ALTIVEC_REGNO_P(N) ((N) >= FIRST_ALTIVEC_REGNO && (N) <= LAST_ALTIVEC_REGNO) | |
1238 | ||
1239 | /* True if register is a VSX register. */ | |
1240 | #define VSX_REGNO_P(N) (FP_REGNO_P (N) || ALTIVEC_REGNO_P (N)) | |
1241 | ||
1242 | /* Alternate name for any vector register supporting floating point, no matter | |
1243 | which instruction set(s) are available. */ | |
1244 | #define VFLOAT_REGNO_P(N) \ | |
1245 | (ALTIVEC_REGNO_P (N) || (TARGET_VSX && FP_REGNO_P (N))) | |
1246 | ||
1247 | /* Alternate name for any vector register supporting integer, no matter which | |
1248 | instruction set(s) are available. */ | |
1249 | #define VINT_REGNO_P(N) ALTIVEC_REGNO_P (N) | |
1250 | ||
1251 | /* Alternate name for any vector register supporting logical operations, no | |
1252 | matter which instruction set(s) are available. Allow GPRs as well as the | |
1253 | vector registers. */ | |
1254 | #define VLOGICAL_REGNO_P(N) \ | |
1255 | (INT_REGNO_P (N) || ALTIVEC_REGNO_P (N) \ | |
1256 | || (TARGET_VSX && FP_REGNO_P (N))) \ | |
1257 | ||
83349046 SB |
1258 | /* When setting up caller-save slots (MODE == VOIDmode) ensure we allocate |
1259 | enough space to account for vectors in FP regs. However, TFmode/TDmode | |
1260 | should not use VSX instructions to do a caller save. */ | |
1261 | #define HARD_REGNO_CALLER_SAVE_MODE(REGNO, NREGS, MODE) \ | |
1262 | ((NREGS) <= rs6000_hard_regno_nregs[MODE][REGNO] \ | |
1263 | ? (MODE) \ | |
1264 | : TARGET_VSX \ | |
1265 | && ((MODE) == VOIDmode || ALTIVEC_OR_VSX_VECTOR_MODE (MODE)) \ | |
1266 | && FP_REGNO_P (REGNO) \ | |
1267 | ? V2DFmode \ | |
1268 | : TARGET_E500_DOUBLE && (MODE) == SImode \ | |
1269 | ? SImode \ | |
1270 | : TARGET_E500_DOUBLE && ((MODE) == VOIDmode || (MODE) == DFmode) \ | |
1271 | ? DFmode \ | |
1272 | : !TARGET_E500_DOUBLE && FLOAT128_IBM_P (MODE) && FP_REGNO_P (REGNO) \ | |
1273 | ? DFmode \ | |
1274 | : !TARGET_E500_DOUBLE && (MODE) == TDmode && FP_REGNO_P (REGNO) \ | |
1275 | ? DImode \ | |
1276 | : choose_hard_reg_mode ((REGNO), (NREGS), false)) | |
1277 | ||
83349046 SB |
1278 | #define VSX_VECTOR_MODE(MODE) \ |
1279 | ((MODE) == V4SFmode \ | |
1280 | || (MODE) == V2DFmode) \ | |
1281 | ||
1282 | /* Note KFmode and possibly TFmode (i.e. IEEE 128-bit floating point) are not | |
1283 | really a vector, but we want to treat it as a vector for moves, and | |
1284 | such. */ | |
1285 | ||
1286 | #define ALTIVEC_VECTOR_MODE(MODE) \ | |
1287 | ((MODE) == V16QImode \ | |
1288 | || (MODE) == V8HImode \ | |
1289 | || (MODE) == V4SFmode \ | |
1290 | || (MODE) == V4SImode \ | |
1291 | || FLOAT128_VECTOR_P (MODE)) | |
1292 | ||
1293 | #define ALTIVEC_OR_VSX_VECTOR_MODE(MODE) \ | |
1294 | (ALTIVEC_VECTOR_MODE (MODE) || VSX_VECTOR_MODE (MODE) \ | |
1295 | || (MODE) == V2DImode || (MODE) == V1TImode) | |
1296 | ||
1297 | #define SPE_VECTOR_MODE(MODE) \ | |
1298 | ((MODE) == V4HImode \ | |
1299 | || (MODE) == V2SFmode \ | |
1300 | || (MODE) == V1DImode \ | |
1301 | || (MODE) == V2SImode) | |
1302 | ||
1303 | #define PAIRED_VECTOR_MODE(MODE) \ | |
1304 | ((MODE) == V2SFmode) | |
1305 | ||
83349046 SB |
1306 | /* Post-reload, we can't use any new AltiVec registers, as we already |
1307 | emitted the vrsave mask. */ | |
1308 | ||
1309 | #define HARD_REGNO_RENAME_OK(SRC, DST) \ | |
1310 | (! ALTIVEC_REGNO_P (DST) || df_regs_ever_live_p (DST)) | |
1311 | ||
1312 | /* Specify the cost of a branch insn; roughly the number of extra insns that | |
1313 | should be added to avoid a branch. | |
1314 | ||
1315 | Set this to 3 on the RS/6000 since that is roughly the average cost of an | |
1316 | unscheduled conditional branch. */ | |
1317 | ||
1318 | #define BRANCH_COST(speed_p, predictable_p) 3 | |
1319 | ||
1320 | /* Override BRANCH_COST heuristic which empirically produces worse | |
1321 | performance for removing short circuiting from the logical ops. */ | |
1322 | ||
1323 | #define LOGICAL_OP_NON_SHORT_CIRCUIT 0 | |
1324 | ||
1325 | /* A fixed register used at epilogue generation to address SPE registers | |
1326 | with negative offsets. The 64-bit load/store instructions on the SPE | |
1327 | only take positive offsets (and small ones at that), so we need to | |
1328 | reserve a register for consing up negative offsets. */ | |
1329 | ||
1330 | #define FIXED_SCRATCH 0 | |
1331 | ||
1332 | /* Specify the registers used for certain standard purposes. | |
1333 | The values of these macros are register numbers. */ | |
1334 | ||
1335 | /* RS/6000 pc isn't overloaded on a register that the compiler knows about. */ | |
1336 | /* #define PC_REGNUM */ | |
1337 | ||
1338 | /* Register to use for pushing function arguments. */ | |
1339 | #define STACK_POINTER_REGNUM 1 | |
1340 | ||
1341 | /* Base register for access to local variables of the function. */ | |
1342 | #define HARD_FRAME_POINTER_REGNUM 31 | |
1343 | ||
1344 | /* Base register for access to local variables of the function. */ | |
1345 | #define FRAME_POINTER_REGNUM 113 | |
1346 | ||
1347 | /* Base register for access to arguments of the function. */ | |
1348 | #define ARG_POINTER_REGNUM 67 | |
1349 | ||
1350 | /* Place to put static chain when calling a function that requires it. */ | |
1351 | #define STATIC_CHAIN_REGNUM 11 | |
1352 | ||
1353 | /* Base register for access to thread local storage variables. */ | |
1354 | #define TLS_REGNUM ((TARGET_64BIT) ? 13 : 2) | |
1355 | ||
1356 | \f | |
1357 | /* Define the classes of registers for register constraints in the | |
1358 | machine description. Also define ranges of constants. | |
1359 | ||
1360 | One of the classes must always be named ALL_REGS and include all hard regs. | |
1361 | If there is more than one class, another class must be named NO_REGS | |
1362 | and contain no registers. | |
1363 | ||
1364 | The name GENERAL_REGS must be the name of a class (or an alias for | |
1365 | another name such as ALL_REGS). This is the class of registers | |
1366 | that is allowed by "g" or "r" in a register constraint. | |
1367 | Also, registers outside this class are allocated only when | |
1368 | instructions express preferences for them. | |
1369 | ||
1370 | The classes must be numbered in nondecreasing order; that is, | |
1371 | a larger-numbered class must never be contained completely | |
1372 | in a smaller-numbered class. | |
1373 | ||
1374 | For any two classes, it is very desirable that there be another | |
1375 | class that represents their union. */ | |
1376 | ||
1377 | /* The RS/6000 has three types of registers, fixed-point, floating-point, and | |
1378 | condition registers, plus three special registers, CTR, and the link | |
1379 | register. AltiVec adds a vector register class. VSX registers overlap the | |
1380 | FPR registers and the Altivec registers. | |
1381 | ||
1382 | However, r0 is special in that it cannot be used as a base register. | |
1383 | So make a class for registers valid as base registers. | |
1384 | ||
1385 | Also, cr0 is the only condition code register that can be used in | |
1386 | arithmetic insns, so make a separate class for it. */ | |
1387 | ||
1388 | enum reg_class | |
1389 | { | |
1390 | NO_REGS, | |
1391 | BASE_REGS, | |
1392 | GENERAL_REGS, | |
1393 | FLOAT_REGS, | |
1394 | ALTIVEC_REGS, | |
1395 | VSX_REGS, | |
1396 | VRSAVE_REGS, | |
1397 | VSCR_REGS, | |
1398 | SPE_ACC_REGS, | |
1399 | SPEFSCR_REGS, | |
1400 | SPR_REGS, | |
1401 | NON_SPECIAL_REGS, | |
1402 | LINK_REGS, | |
1403 | CTR_REGS, | |
1404 | LINK_OR_CTR_REGS, | |
1405 | SPECIAL_REGS, | |
1406 | SPEC_OR_GEN_REGS, | |
1407 | CR0_REGS, | |
1408 | CR_REGS, | |
1409 | NON_FLOAT_REGS, | |
1410 | CA_REGS, | |
1411 | SPE_HIGH_REGS, | |
1412 | ALL_REGS, | |
1413 | LIM_REG_CLASSES | |
1414 | }; | |
1415 | ||
1416 | #define N_REG_CLASSES (int) LIM_REG_CLASSES | |
1417 | ||
1418 | /* Give names of register classes as strings for dump file. */ | |
1419 | ||
1420 | #define REG_CLASS_NAMES \ | |
1421 | { \ | |
1422 | "NO_REGS", \ | |
1423 | "BASE_REGS", \ | |
1424 | "GENERAL_REGS", \ | |
1425 | "FLOAT_REGS", \ | |
1426 | "ALTIVEC_REGS", \ | |
1427 | "VSX_REGS", \ | |
1428 | "VRSAVE_REGS", \ | |
1429 | "VSCR_REGS", \ | |
1430 | "SPE_ACC_REGS", \ | |
1431 | "SPEFSCR_REGS", \ | |
1432 | "SPR_REGS", \ | |
1433 | "NON_SPECIAL_REGS", \ | |
1434 | "LINK_REGS", \ | |
1435 | "CTR_REGS", \ | |
1436 | "LINK_OR_CTR_REGS", \ | |
1437 | "SPECIAL_REGS", \ | |
1438 | "SPEC_OR_GEN_REGS", \ | |
1439 | "CR0_REGS", \ | |
1440 | "CR_REGS", \ | |
1441 | "NON_FLOAT_REGS", \ | |
1442 | "CA_REGS", \ | |
1443 | "SPE_HIGH_REGS", \ | |
1444 | "ALL_REGS" \ | |
1445 | } | |
1446 | ||
1447 | /* Define which registers fit in which classes. | |
1448 | This is an initializer for a vector of HARD_REG_SET | |
1449 | of length N_REG_CLASSES. */ | |
1450 | ||
1451 | #define REG_CLASS_CONTENTS \ | |
1452 | { \ | |
1453 | /* NO_REGS. */ \ | |
1454 | { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, \ | |
1455 | /* BASE_REGS. */ \ | |
1456 | { 0xfffffffe, 0x00000000, 0x00000008, 0x00020000, 0x00000000 }, \ | |
1457 | /* GENERAL_REGS. */ \ | |
1458 | { 0xffffffff, 0x00000000, 0x00000008, 0x00020000, 0x00000000 }, \ | |
1459 | /* FLOAT_REGS. */ \ | |
1460 | { 0x00000000, 0xffffffff, 0x00000000, 0x00000000, 0x00000000 }, \ | |
1461 | /* ALTIVEC_REGS. */ \ | |
1462 | { 0x00000000, 0x00000000, 0xffffe000, 0x00001fff, 0x00000000 }, \ | |
1463 | /* VSX_REGS. */ \ | |
1464 | { 0x00000000, 0xffffffff, 0xffffe000, 0x00001fff, 0x00000000 }, \ | |
1465 | /* VRSAVE_REGS. */ \ | |
1466 | { 0x00000000, 0x00000000, 0x00000000, 0x00002000, 0x00000000 }, \ | |
1467 | /* VSCR_REGS. */ \ | |
1468 | { 0x00000000, 0x00000000, 0x00000000, 0x00004000, 0x00000000 }, \ | |
1469 | /* SPE_ACC_REGS. */ \ | |
1470 | { 0x00000000, 0x00000000, 0x00000000, 0x00008000, 0x00000000 }, \ | |
1471 | /* SPEFSCR_REGS. */ \ | |
1472 | { 0x00000000, 0x00000000, 0x00000000, 0x00010000, 0x00000000 }, \ | |
1473 | /* SPR_REGS. */ \ | |
1474 | { 0x00000000, 0x00000000, 0x00000000, 0x00040000, 0x00000000 }, \ | |
1475 | /* NON_SPECIAL_REGS. */ \ | |
1476 | { 0xffffffff, 0xffffffff, 0x00000008, 0x00020000, 0x00000000 }, \ | |
1477 | /* LINK_REGS. */ \ | |
1478 | { 0x00000000, 0x00000000, 0x00000002, 0x00000000, 0x00000000 }, \ | |
1479 | /* CTR_REGS. */ \ | |
1480 | { 0x00000000, 0x00000000, 0x00000004, 0x00000000, 0x00000000 }, \ | |
1481 | /* LINK_OR_CTR_REGS. */ \ | |
1482 | { 0x00000000, 0x00000000, 0x00000006, 0x00000000, 0x00000000 }, \ | |
1483 | /* SPECIAL_REGS. */ \ | |
1484 | { 0x00000000, 0x00000000, 0x00000006, 0x00002000, 0x00000000 }, \ | |
1485 | /* SPEC_OR_GEN_REGS. */ \ | |
1486 | { 0xffffffff, 0x00000000, 0x0000000e, 0x00022000, 0x00000000 }, \ | |
1487 | /* CR0_REGS. */ \ | |
1488 | { 0x00000000, 0x00000000, 0x00000010, 0x00000000, 0x00000000 }, \ | |
1489 | /* CR_REGS. */ \ | |
1490 | { 0x00000000, 0x00000000, 0x00000ff0, 0x00000000, 0x00000000 }, \ | |
1491 | /* NON_FLOAT_REGS. */ \ | |
1492 | { 0xffffffff, 0x00000000, 0x00000ffe, 0x00020000, 0x00000000 }, \ | |
1493 | /* CA_REGS. */ \ | |
1494 | { 0x00000000, 0x00000000, 0x00001000, 0x00000000, 0x00000000 }, \ | |
1495 | /* SPE_HIGH_REGS. */ \ | |
1496 | { 0x00000000, 0x00000000, 0x00000000, 0xffe00000, 0x001fffff }, \ | |
1497 | /* ALL_REGS. */ \ | |
1498 | { 0xffffffff, 0xffffffff, 0xfffffffe, 0xffe7ffff, 0x001fffff } \ | |
1499 | } | |
1500 | ||
1501 | /* The same information, inverted: | |
1502 | Return the class number of the smallest class containing | |
1503 | reg number REGNO. This could be a conditional expression | |
1504 | or could index an array. */ | |
1505 | ||
1506 | extern enum reg_class rs6000_regno_regclass[FIRST_PSEUDO_REGISTER]; | |
1507 | ||
1508 | #define REGNO_REG_CLASS(REGNO) \ | |
1509 | (gcc_checking_assert (IN_RANGE ((REGNO), 0, FIRST_PSEUDO_REGISTER-1)),\ | |
1510 | rs6000_regno_regclass[(REGNO)]) | |
1511 | ||
1512 | /* Register classes for various constraints that are based on the target | |
1513 | switches. */ | |
1514 | enum r6000_reg_class_enum { | |
1515 | RS6000_CONSTRAINT_d, /* fpr registers for double values */ | |
1516 | RS6000_CONSTRAINT_f, /* fpr registers for single values */ | |
1517 | RS6000_CONSTRAINT_v, /* Altivec registers */ | |
1518 | RS6000_CONSTRAINT_wa, /* Any VSX register */ | |
1519 | RS6000_CONSTRAINT_wb, /* Altivec register if ISA 3.0 vector. */ | |
1520 | RS6000_CONSTRAINT_wd, /* VSX register for V2DF */ | |
1521 | RS6000_CONSTRAINT_we, /* VSX register if ISA 3.0 vector. */ | |
1522 | RS6000_CONSTRAINT_wf, /* VSX register for V4SF */ | |
1523 | RS6000_CONSTRAINT_wg, /* FPR register for -mmfpgpr */ | |
1524 | RS6000_CONSTRAINT_wh, /* FPR register for direct moves. */ | |
1525 | RS6000_CONSTRAINT_wi, /* FPR/VSX register to hold DImode */ | |
1526 | RS6000_CONSTRAINT_wj, /* FPR/VSX register for DImode direct moves. */ | |
1527 | RS6000_CONSTRAINT_wk, /* FPR/VSX register for DFmode direct moves. */ | |
1528 | RS6000_CONSTRAINT_wl, /* FPR register for LFIWAX */ | |
1529 | RS6000_CONSTRAINT_wm, /* VSX register for direct move */ | |
1530 | RS6000_CONSTRAINT_wo, /* VSX register for power9 vector. */ | |
1531 | RS6000_CONSTRAINT_wp, /* VSX reg for IEEE 128-bit fp TFmode. */ | |
1532 | RS6000_CONSTRAINT_wq, /* VSX reg for IEEE 128-bit fp KFmode. */ | |
1533 | RS6000_CONSTRAINT_wr, /* GPR register if 64-bit */ | |
1534 | RS6000_CONSTRAINT_ws, /* VSX register for DF */ | |
1535 | RS6000_CONSTRAINT_wt, /* VSX register for TImode */ | |
1536 | RS6000_CONSTRAINT_wu, /* Altivec register for float load/stores. */ | |
1537 | RS6000_CONSTRAINT_wv, /* Altivec register for double load/stores. */ | |
1538 | RS6000_CONSTRAINT_ww, /* FP or VSX register for vsx float ops. */ | |
1539 | RS6000_CONSTRAINT_wx, /* FPR register for STFIWX */ | |
1540 | RS6000_CONSTRAINT_wy, /* VSX register for SF */ | |
1541 | RS6000_CONSTRAINT_wz, /* FPR register for LFIWZX */ | |
1542 | RS6000_CONSTRAINT_wA, /* BASE_REGS if 64-bit. */ | |
1543 | RS6000_CONSTRAINT_wH, /* Altivec register for 32-bit integers. */ | |
1544 | RS6000_CONSTRAINT_wI, /* VSX register for 32-bit integers. */ | |
1545 | RS6000_CONSTRAINT_wJ, /* VSX register for 8/16-bit integers. */ | |
1546 | RS6000_CONSTRAINT_wK, /* Altivec register for 16/32-bit integers. */ | |
1547 | RS6000_CONSTRAINT_MAX | |
1548 | }; | |
1549 | ||
1550 | extern enum reg_class rs6000_constraints[RS6000_CONSTRAINT_MAX]; | |
1551 | ||
1552 | /* The class value for index registers, and the one for base regs. */ | |
1553 | #define INDEX_REG_CLASS GENERAL_REGS | |
1554 | #define BASE_REG_CLASS BASE_REGS | |
1555 | ||
1556 | /* Return whether a given register class can hold VSX objects. */ | |
1557 | #define VSX_REG_CLASS_P(CLASS) \ | |
1558 | ((CLASS) == VSX_REGS || (CLASS) == FLOAT_REGS || (CLASS) == ALTIVEC_REGS) | |
1559 | ||
1560 | /* Return whether a given register class targets general purpose registers. */ | |
1561 | #define GPR_REG_CLASS_P(CLASS) ((CLASS) == GENERAL_REGS || (CLASS) == BASE_REGS) | |
1562 | ||
1563 | /* Given an rtx X being reloaded into a reg required to be | |
1564 | in class CLASS, return the class of reg to actually use. | |
1565 | In general this is just CLASS; but on some machines | |
1566 | in some cases it is preferable to use a more restrictive class. | |
1567 | ||
1568 | On the RS/6000, we have to return NO_REGS when we want to reload a | |
1569 | floating-point CONST_DOUBLE to force it to be copied to memory. | |
1570 | ||
1571 | We also don't want to reload integer values into floating-point | |
1572 | registers if we can at all help it. In fact, this can | |
1573 | cause reload to die, if it tries to generate a reload of CTR | |
1574 | into a FP register and discovers it doesn't have the memory location | |
1575 | required. | |
1576 | ||
1577 | ??? Would it be a good idea to have reload do the converse, that is | |
1578 | try to reload floating modes into FP registers if possible? | |
1579 | */ | |
1580 | ||
1581 | #define PREFERRED_RELOAD_CLASS(X,CLASS) \ | |
1582 | rs6000_preferred_reload_class_ptr (X, CLASS) | |
1583 | ||
1584 | /* Return the register class of a scratch register needed to copy IN into | |
1585 | or out of a register in CLASS in MODE. If it can be done directly, | |
1586 | NO_REGS is returned. */ | |
1587 | ||
1588 | #define SECONDARY_RELOAD_CLASS(CLASS,MODE,IN) \ | |
1589 | rs6000_secondary_reload_class_ptr (CLASS, MODE, IN) | |
1590 | ||
83349046 SB |
1591 | /* For cpus that cannot load/store SDmode values from the 64-bit |
1592 | FP registers without using a full 64-bit load/store, we need | |
1593 | to allocate a full 64-bit stack slot for them. */ | |
1594 | ||
1595 | #define SECONDARY_MEMORY_NEEDED_RTX(MODE) \ | |
1596 | rs6000_secondary_memory_needed_rtx (MODE) | |
1597 | ||
83349046 SB |
1598 | /* Return the maximum number of consecutive registers |
1599 | needed to represent mode MODE in a register of class CLASS. | |
1600 | ||
1601 | On RS/6000, this is the size of MODE in words, except in the FP regs, where | |
1602 | a single reg is enough for two words, unless we have VSX, where the FP | |
1603 | registers can hold 128 bits. */ | |
1604 | #define CLASS_MAX_NREGS(CLASS, MODE) rs6000_class_max_nregs[(MODE)][(CLASS)] | |
1605 | ||
83349046 SB |
1606 | /* Stack layout; function entry, exit and calling. */ |
1607 | ||
1608 | /* Define this if pushing a word on the stack | |
1609 | makes the stack pointer a smaller address. */ | |
1610 | #define STACK_GROWS_DOWNWARD 1 | |
1611 | ||
1612 | /* Offsets recorded in opcodes are a multiple of this alignment factor. */ | |
1613 | #define DWARF_CIE_DATA_ALIGNMENT (-((int) (TARGET_32BIT ? 4 : 8))) | |
1614 | ||
1615 | /* Define this to nonzero if the nominal address of the stack frame | |
1616 | is at the high-address end of the local variables; | |
1617 | that is, each additional local variable allocated | |
1618 | goes at a more negative offset in the frame. | |
1619 | ||
1620 | On the RS/6000, we grow upwards, from the area after the outgoing | |
1621 | arguments. */ | |
1622 | #define FRAME_GROWS_DOWNWARD (flag_stack_protect != 0 \ | |
1623 | || (flag_sanitize & SANITIZE_ADDRESS) != 0) | |
1624 | ||
1625 | /* Size of the fixed area on the stack */ | |
1626 | #define RS6000_SAVE_AREA \ | |
1627 | ((DEFAULT_ABI == ABI_V4 ? 8 : DEFAULT_ABI == ABI_ELFv2 ? 16 : 24) \ | |
1628 | << (TARGET_64BIT ? 1 : 0)) | |
1629 | ||
1630 | /* Stack offset for toc save slot. */ | |
1631 | #define RS6000_TOC_SAVE_SLOT \ | |
1632 | ((DEFAULT_ABI == ABI_ELFv2 ? 12 : 20) << (TARGET_64BIT ? 1 : 0)) | |
1633 | ||
1634 | /* Align an address */ | |
1635 | #define RS6000_ALIGN(n,a) ROUND_UP ((n), (a)) | |
1636 | ||
1637 | /* Offset within stack frame to start allocating local variables at. | |
1638 | If FRAME_GROWS_DOWNWARD, this is the offset to the END of the | |
1639 | first local allocated. Otherwise, it is the offset to the BEGINNING | |
1640 | of the first local allocated. | |
1641 | ||
1642 | On the RS/6000, the frame pointer is the same as the stack pointer, | |
1643 | except for dynamic allocations. So we start after the fixed area and | |
1644 | outgoing parameter area. | |
1645 | ||
1646 | If the function uses dynamic stack space (CALLS_ALLOCA is set), that | |
1647 | space needs to be aligned to STACK_BOUNDARY, i.e. the sum of the | |
1648 | sizes of the fixed area and the parameter area must be a multiple of | |
1649 | STACK_BOUNDARY. */ | |
1650 | ||
2a31c321 RS |
1651 | #define RS6000_STARTING_FRAME_OFFSET \ |
1652 | (cfun->calls_alloca \ | |
1653 | ? (RS6000_ALIGN (crtl->outgoing_args_size + RS6000_SAVE_AREA, \ | |
1654 | (TARGET_ALTIVEC || TARGET_VSX) ? 16 : 8 )) \ | |
1655 | : (RS6000_ALIGN (crtl->outgoing_args_size, \ | |
1656 | (TARGET_ALTIVEC || TARGET_VSX) ? 16 : 8) \ | |
1657 | + RS6000_SAVE_AREA)) | |
83349046 SB |
1658 | |
1659 | /* Offset from the stack pointer register to an item dynamically | |
1660 | allocated on the stack, e.g., by `alloca'. | |
1661 | ||
1662 | The default value for this macro is `STACK_POINTER_OFFSET' plus the | |
1663 | length of the outgoing arguments. The default is correct for most | |
1664 | machines. See `function.c' for details. | |
1665 | ||
1666 | This value must be a multiple of STACK_BOUNDARY (hard coded in | |
1667 | `emit-rtl.c'). */ | |
1668 | #define STACK_DYNAMIC_OFFSET(FUNDECL) \ | |
a20c5714 RS |
1669 | RS6000_ALIGN (crtl->outgoing_args_size.to_constant () \ |
1670 | + STACK_POINTER_OFFSET, \ | |
83349046 SB |
1671 | (TARGET_ALTIVEC || TARGET_VSX) ? 16 : 8) |
1672 | ||
1673 | /* If we generate an insn to push BYTES bytes, | |
1674 | this says how many the stack pointer really advances by. | |
1675 | On RS/6000, don't define this because there are no push insns. */ | |
1676 | /* #define PUSH_ROUNDING(BYTES) */ | |
1677 | ||
1678 | /* Offset of first parameter from the argument pointer register value. | |
1679 | On the RS/6000, we define the argument pointer to the start of the fixed | |
1680 | area. */ | |
1681 | #define FIRST_PARM_OFFSET(FNDECL) RS6000_SAVE_AREA | |
1682 | ||
1683 | /* Offset from the argument pointer register value to the top of | |
1684 | stack. This is different from FIRST_PARM_OFFSET because of the | |
1685 | register save area. */ | |
1686 | #define ARG_POINTER_CFA_OFFSET(FNDECL) 0 | |
1687 | ||
1688 | /* Define this if stack space is still allocated for a parameter passed | |
1689 | in a register. The value is the number of bytes allocated to this | |
1690 | area. */ | |
1691 | #define REG_PARM_STACK_SPACE(FNDECL) \ | |
1692 | rs6000_reg_parm_stack_space ((FNDECL), false) | |
1693 | ||
1694 | /* Define this macro if space guaranteed when compiling a function body | |
1695 | is different to space required when making a call, a situation that | |
1696 | can arise with K&R style function definitions. */ | |
1697 | #define INCOMING_REG_PARM_STACK_SPACE(FNDECL) \ | |
1698 | rs6000_reg_parm_stack_space ((FNDECL), true) | |
1699 | ||
1700 | /* Define this if the above stack space is to be considered part of the | |
1701 | space allocated by the caller. */ | |
1702 | #define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 1 | |
1703 | ||
1704 | /* This is the difference between the logical top of stack and the actual sp. | |
1705 | ||
1706 | For the RS/6000, sp points past the fixed area. */ | |
1707 | #define STACK_POINTER_OFFSET RS6000_SAVE_AREA | |
1708 | ||
1709 | /* Define this if the maximum size of all the outgoing args is to be | |
1710 | accumulated and pushed during the prologue. The amount can be | |
1711 | found in the variable crtl->outgoing_args_size. */ | |
1712 | #define ACCUMULATE_OUTGOING_ARGS 1 | |
1713 | ||
1714 | /* Define how to find the value returned by a library function | |
1715 | assuming the value has mode MODE. */ | |
1716 | ||
1717 | #define LIBCALL_VALUE(MODE) rs6000_libcall_value ((MODE)) | |
1718 | ||
1719 | /* DRAFT_V4_STRUCT_RET defaults off. */ | |
1720 | #define DRAFT_V4_STRUCT_RET 0 | |
1721 | ||
1722 | /* Let TARGET_RETURN_IN_MEMORY control what happens. */ | |
1723 | #define DEFAULT_PCC_STRUCT_RETURN 0 | |
1724 | ||
1725 | /* Mode of stack savearea. | |
1726 | FUNCTION is VOIDmode because calling convention maintains SP. | |
1727 | BLOCK needs Pmode for SP. | |
1728 | NONLOCAL needs twice Pmode to maintain both backchain and SP. */ | |
1729 | #define STACK_SAVEAREA_MODE(LEVEL) \ | |
1730 | (LEVEL == SAVE_FUNCTION ? VOIDmode \ | |
1731 | : LEVEL == SAVE_NONLOCAL ? (TARGET_32BIT ? DImode : PTImode) : Pmode) | |
1732 | ||
1733 | /* Minimum and maximum general purpose registers used to hold arguments. */ | |
1734 | #define GP_ARG_MIN_REG 3 | |
1735 | #define GP_ARG_MAX_REG 10 | |
1736 | #define GP_ARG_NUM_REG (GP_ARG_MAX_REG - GP_ARG_MIN_REG + 1) | |
1737 | ||
1738 | /* Minimum and maximum floating point registers used to hold arguments. */ | |
1739 | #define FP_ARG_MIN_REG 33 | |
1740 | #define FP_ARG_AIX_MAX_REG 45 | |
1741 | #define FP_ARG_V4_MAX_REG 40 | |
1742 | #define FP_ARG_MAX_REG (DEFAULT_ABI == ABI_V4 \ | |
1743 | ? FP_ARG_V4_MAX_REG : FP_ARG_AIX_MAX_REG) | |
1744 | #define FP_ARG_NUM_REG (FP_ARG_MAX_REG - FP_ARG_MIN_REG + 1) | |
1745 | ||
1746 | /* Minimum and maximum AltiVec registers used to hold arguments. */ | |
1747 | #define ALTIVEC_ARG_MIN_REG (FIRST_ALTIVEC_REGNO + 2) | |
1748 | #define ALTIVEC_ARG_MAX_REG (ALTIVEC_ARG_MIN_REG + 11) | |
1749 | #define ALTIVEC_ARG_NUM_REG (ALTIVEC_ARG_MAX_REG - ALTIVEC_ARG_MIN_REG + 1) | |
1750 | ||
1751 | /* Maximum number of registers per ELFv2 homogeneous aggregate argument. */ | |
1752 | #define AGGR_ARG_NUM_REG 8 | |
1753 | ||
1754 | /* Return registers */ | |
1755 | #define GP_ARG_RETURN GP_ARG_MIN_REG | |
1756 | #define FP_ARG_RETURN FP_ARG_MIN_REG | |
1757 | #define ALTIVEC_ARG_RETURN (FIRST_ALTIVEC_REGNO + 2) | |
1758 | #define FP_ARG_MAX_RETURN (DEFAULT_ABI != ABI_ELFv2 ? FP_ARG_RETURN \ | |
1759 | : (FP_ARG_RETURN + AGGR_ARG_NUM_REG - 1)) | |
1760 | #define ALTIVEC_ARG_MAX_RETURN (DEFAULT_ABI != ABI_ELFv2 \ | |
1761 | ? (ALTIVEC_ARG_RETURN \ | |
1762 | + (TARGET_FLOAT128_TYPE ? 1 : 0)) \ | |
1763 | : (ALTIVEC_ARG_RETURN + AGGR_ARG_NUM_REG - 1)) | |
1764 | ||
1765 | /* Flags for the call/call_value rtl operations set up by function_arg */ | |
1766 | #define CALL_NORMAL 0x00000000 /* no special processing */ | |
1767 | /* Bits in 0x00000001 are unused. */ | |
1768 | #define CALL_V4_CLEAR_FP_ARGS 0x00000002 /* V.4, no FP args passed */ | |
1769 | #define CALL_V4_SET_FP_ARGS 0x00000004 /* V.4, FP args were passed */ | |
1770 | #define CALL_LONG 0x00000008 /* always call indirect */ | |
1771 | #define CALL_LIBCALL 0x00000010 /* libcall */ | |
1772 | ||
1773 | /* We don't have prologue and epilogue functions to save/restore | |
1774 | everything for most ABIs. */ | |
1775 | #define WORLD_SAVE_P(INFO) 0 | |
1776 | ||
1777 | /* 1 if N is a possible register number for a function value | |
1778 | as seen by the caller. | |
1779 | ||
1780 | On RS/6000, this is r3, fp1, and v2 (for AltiVec). */ | |
1781 | #define FUNCTION_VALUE_REGNO_P(N) \ | |
1782 | ((N) == GP_ARG_RETURN \ | |
1783 | || (IN_RANGE ((N), FP_ARG_RETURN, FP_ARG_MAX_RETURN) \ | |
1784 | && TARGET_HARD_FLOAT && TARGET_FPRS) \ | |
1785 | || (IN_RANGE ((N), ALTIVEC_ARG_RETURN, ALTIVEC_ARG_MAX_RETURN) \ | |
1786 | && TARGET_ALTIVEC && TARGET_ALTIVEC_ABI)) | |
1787 | ||
1788 | /* 1 if N is a possible register number for function argument passing. | |
1789 | On RS/6000, these are r3-r10 and fp1-fp13. | |
1790 | On AltiVec, v2 - v13 are used for passing vectors. */ | |
1791 | #define FUNCTION_ARG_REGNO_P(N) \ | |
1792 | (IN_RANGE ((N), GP_ARG_MIN_REG, GP_ARG_MAX_REG) \ | |
1793 | || (IN_RANGE ((N), ALTIVEC_ARG_MIN_REG, ALTIVEC_ARG_MAX_REG) \ | |
1794 | && TARGET_ALTIVEC && TARGET_ALTIVEC_ABI) \ | |
1795 | || (IN_RANGE ((N), FP_ARG_MIN_REG, FP_ARG_MAX_REG) \ | |
1796 | && TARGET_HARD_FLOAT && TARGET_FPRS)) | |
1797 | \f | |
1798 | /* Define a data type for recording info about an argument list | |
1799 | during the scan of that argument list. This data type should | |
1800 | hold all necessary information about the function itself | |
1801 | and about the args processed so far, enough to enable macros | |
1802 | such as FUNCTION_ARG to determine where the next arg should go. | |
1803 | ||
1804 | On the RS/6000, this is a structure. The first element is the number of | |
1805 | total argument words, the second is used to store the next | |
1806 | floating-point register number, and the third says how many more args we | |
1807 | have prototype types for. | |
1808 | ||
1809 | For ABI_V4, we treat these slightly differently -- `sysv_gregno' is | |
1810 | the next available GP register, `fregno' is the next available FP | |
1811 | register, and `words' is the number of words used on the stack. | |
1812 | ||
1813 | The varargs/stdarg support requires that this structure's size | |
1814 | be a multiple of sizeof(int). */ | |
1815 | ||
1816 | typedef struct rs6000_args | |
1817 | { | |
1818 | int words; /* # words used for passing GP registers */ | |
1819 | int fregno; /* next available FP register */ | |
1820 | int vregno; /* next available AltiVec register */ | |
1821 | int nargs_prototype; /* # args left in the current prototype */ | |
1822 | int prototype; /* Whether a prototype was defined */ | |
1823 | int stdarg; /* Whether function is a stdarg function. */ | |
1824 | int call_cookie; /* Do special things for this call */ | |
1825 | int sysv_gregno; /* next available GP register */ | |
1826 | int intoffset; /* running offset in struct (darwin64) */ | |
1827 | int use_stack; /* any part of struct on stack (darwin64) */ | |
1828 | int floats_in_gpr; /* count of SFmode floats taking up | |
1829 | GPR space (darwin64) */ | |
1830 | int named; /* false for varargs params */ | |
1831 | int escapes; /* if function visible outside tu */ | |
1832 | int libcall; /* If this is a compiler generated call. */ | |
1833 | } CUMULATIVE_ARGS; | |
1834 | ||
1835 | /* Initialize a variable CUM of type CUMULATIVE_ARGS | |
1836 | for a call to a function whose data type is FNTYPE. | |
1837 | For a library call, FNTYPE is 0. */ | |
1838 | ||
1839 | #define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, FNDECL, N_NAMED_ARGS) \ | |
1840 | init_cumulative_args (&CUM, FNTYPE, LIBNAME, FALSE, FALSE, \ | |
1841 | N_NAMED_ARGS, FNDECL, VOIDmode) | |
1842 | ||
1843 | /* Similar, but when scanning the definition of a procedure. We always | |
1844 | set NARGS_PROTOTYPE large so we never return an EXPR_LIST. */ | |
1845 | ||
1846 | #define INIT_CUMULATIVE_INCOMING_ARGS(CUM, FNTYPE, LIBNAME) \ | |
1847 | init_cumulative_args (&CUM, FNTYPE, LIBNAME, TRUE, FALSE, \ | |
1848 | 1000, current_function_decl, VOIDmode) | |
1849 | ||
1850 | /* Like INIT_CUMULATIVE_ARGS' but only used for outgoing libcalls. */ | |
1851 | ||
1852 | #define INIT_CUMULATIVE_LIBCALL_ARGS(CUM, MODE, LIBNAME) \ | |
1853 | init_cumulative_args (&CUM, NULL_TREE, LIBNAME, FALSE, TRUE, \ | |
1854 | 0, NULL_TREE, MODE) | |
1855 | ||
83349046 | 1856 | #define PAD_VARARGS_DOWN \ |
76b0cbf8 | 1857 | (targetm.calls.function_arg_padding (TYPE_MODE (type), type) == PAD_DOWNWARD) |
83349046 SB |
1858 | |
1859 | /* Output assembler code to FILE to increment profiler label # LABELNO | |
1860 | for profiling a function entry. */ | |
1861 | ||
1862 | #define FUNCTION_PROFILER(FILE, LABELNO) \ | |
1863 | output_function_profiler ((FILE), (LABELNO)); | |
1864 | ||
1865 | /* EXIT_IGNORE_STACK should be nonzero if, when returning from a function, | |
1866 | the stack pointer does not matter. No definition is equivalent to | |
1867 | always zero. | |
1868 | ||
1869 | On the RS/6000, this is nonzero because we can restore the stack from | |
1870 | its backpointer, which we maintain. */ | |
1871 | #define EXIT_IGNORE_STACK 1 | |
1872 | ||
1873 | /* Define this macro as a C expression that is nonzero for registers | |
1874 | that are used by the epilogue or the return' pattern. The stack | |
1875 | and frame pointer registers are already be assumed to be used as | |
1876 | needed. */ | |
1877 | ||
1878 | #define EPILOGUE_USES(REGNO) \ | |
1879 | ((reload_completed && (REGNO) == LR_REGNO) \ | |
1880 | || (TARGET_ALTIVEC && (REGNO) == VRSAVE_REGNO) \ | |
1881 | || (crtl->calls_eh_return \ | |
1882 | && TARGET_AIX \ | |
1883 | && (REGNO) == 2)) | |
1884 | ||
1885 | \f | |
1886 | /* Length in units of the trampoline for entering a nested function. */ | |
1887 | ||
1888 | #define TRAMPOLINE_SIZE rs6000_trampoline_size () | |
1889 | \f | |
1890 | /* Definitions for __builtin_return_address and __builtin_frame_address. | |
1891 | __builtin_return_address (0) should give link register (LR_REGNO), enable | |
1892 | this. */ | |
1893 | /* This should be uncommented, so that the link register is used, but | |
1894 | currently this would result in unmatched insns and spilling fixed | |
1895 | registers so we'll leave it for another day. When these problems are | |
1896 | taken care of one additional fetch will be necessary in RETURN_ADDR_RTX. | |
1897 | (mrs) */ | |
1898 | /* #define RETURN_ADDR_IN_PREVIOUS_FRAME */ | |
1899 | ||
1900 | /* Number of bytes into the frame return addresses can be found. See | |
1901 | rs6000_stack_info in powerpcspe.c for more information on how the different | |
1902 | abi's store the return address. */ | |
1903 | #define RETURN_ADDRESS_OFFSET \ | |
1904 | ((DEFAULT_ABI == ABI_V4 ? 4 : 8) << (TARGET_64BIT ? 1 : 0)) | |
1905 | ||
1906 | /* The current return address is in link register (65). The return address | |
1907 | of anything farther back is accessed normally at an offset of 8 from the | |
1908 | frame pointer. */ | |
1909 | #define RETURN_ADDR_RTX(COUNT, FRAME) \ | |
1910 | (rs6000_return_addr (COUNT, FRAME)) | |
1911 | ||
1912 | \f | |
1913 | /* Definitions for register eliminations. | |
1914 | ||
1915 | We have two registers that can be eliminated on the RS/6000. First, the | |
1916 | frame pointer register can often be eliminated in favor of the stack | |
1917 | pointer register. Secondly, the argument pointer register can always be | |
1918 | eliminated; it is replaced with either the stack or frame pointer. | |
1919 | ||
1920 | In addition, we use the elimination mechanism to see if r30 is needed | |
1921 | Initially we assume that it isn't. If it is, we spill it. This is done | |
1922 | by making it an eliminable register. We replace it with itself so that | |
1923 | if it isn't needed, then existing uses won't be modified. */ | |
1924 | ||
1925 | /* This is an array of structures. Each structure initializes one pair | |
1926 | of eliminable registers. The "from" register number is given first, | |
1927 | followed by "to". Eliminations of the same "from" register are listed | |
1928 | in order of preference. */ | |
1929 | #define ELIMINABLE_REGS \ | |
1930 | {{ HARD_FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ | |
1931 | { FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ | |
1932 | { FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \ | |
1933 | { ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ | |
1934 | { ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \ | |
1935 | { RS6000_PIC_OFFSET_TABLE_REGNUM, RS6000_PIC_OFFSET_TABLE_REGNUM } } | |
1936 | ||
1937 | /* Define the offset between two registers, one to be eliminated, and the other | |
1938 | its replacement, at the start of a routine. */ | |
1939 | #define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \ | |
1940 | ((OFFSET) = rs6000_initial_elimination_offset(FROM, TO)) | |
1941 | \f | |
1942 | /* Addressing modes, and classification of registers for them. */ | |
1943 | ||
1944 | #define HAVE_PRE_DECREMENT 1 | |
1945 | #define HAVE_PRE_INCREMENT 1 | |
1946 | #define HAVE_PRE_MODIFY_DISP 1 | |
1947 | #define HAVE_PRE_MODIFY_REG 1 | |
1948 | ||
1949 | /* Macros to check register numbers against specific register classes. */ | |
1950 | ||
1951 | /* These assume that REGNO is a hard or pseudo reg number. | |
1952 | They give nonzero only if REGNO is a hard reg of the suitable class | |
1953 | or a pseudo reg currently allocated to a suitable hard reg. | |
1954 | Since they use reg_renumber, they are safe only once reg_renumber | |
1955 | has been allocated, which happens in reginfo.c during register | |
1956 | allocation. */ | |
1957 | ||
1958 | #define REGNO_OK_FOR_INDEX_P(REGNO) \ | |
1959 | ((REGNO) < FIRST_PSEUDO_REGISTER \ | |
1960 | ? (REGNO) <= 31 || (REGNO) == 67 \ | |
1961 | || (REGNO) == FRAME_POINTER_REGNUM \ | |
1962 | : (reg_renumber[REGNO] >= 0 \ | |
1963 | && (reg_renumber[REGNO] <= 31 || reg_renumber[REGNO] == 67 \ | |
1964 | || reg_renumber[REGNO] == FRAME_POINTER_REGNUM))) | |
1965 | ||
1966 | #define REGNO_OK_FOR_BASE_P(REGNO) \ | |
1967 | ((REGNO) < FIRST_PSEUDO_REGISTER \ | |
1968 | ? ((REGNO) > 0 && (REGNO) <= 31) || (REGNO) == 67 \ | |
1969 | || (REGNO) == FRAME_POINTER_REGNUM \ | |
1970 | : (reg_renumber[REGNO] > 0 \ | |
1971 | && (reg_renumber[REGNO] <= 31 || reg_renumber[REGNO] == 67 \ | |
1972 | || reg_renumber[REGNO] == FRAME_POINTER_REGNUM))) | |
1973 | ||
1974 | /* Nonzero if X is a hard reg that can be used as an index | |
1975 | or if it is a pseudo reg in the non-strict case. */ | |
1976 | #define INT_REG_OK_FOR_INDEX_P(X, STRICT) \ | |
1977 | ((!(STRICT) && REGNO (X) >= FIRST_PSEUDO_REGISTER) \ | |
1978 | || REGNO_OK_FOR_INDEX_P (REGNO (X))) | |
1979 | ||
1980 | /* Nonzero if X is a hard reg that can be used as a base reg | |
1981 | or if it is a pseudo reg in the non-strict case. */ | |
1982 | #define INT_REG_OK_FOR_BASE_P(X, STRICT) \ | |
1983 | ((!(STRICT) && REGNO (X) >= FIRST_PSEUDO_REGISTER) \ | |
1984 | || REGNO_OK_FOR_BASE_P (REGNO (X))) | |
1985 | ||
1986 | \f | |
1987 | /* Maximum number of registers that can appear in a valid memory address. */ | |
1988 | ||
1989 | #define MAX_REGS_PER_ADDRESS 2 | |
1990 | ||
1991 | /* Recognize any constant value that is a valid address. */ | |
1992 | ||
1993 | #define CONSTANT_ADDRESS_P(X) \ | |
1994 | (GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF \ | |
1995 | || GET_CODE (X) == CONST_INT || GET_CODE (X) == CONST \ | |
1996 | || GET_CODE (X) == HIGH) | |
1997 | ||
1998 | #define EASY_VECTOR_15(n) ((n) >= -16 && (n) <= 15) | |
1999 | #define EASY_VECTOR_15_ADD_SELF(n) (!EASY_VECTOR_15((n)) \ | |
2000 | && EASY_VECTOR_15((n) >> 1) \ | |
2001 | && ((n) & 1) == 0) | |
2002 | ||
2003 | #define EASY_VECTOR_MSB(n,mode) \ | |
2004 | ((((unsigned HOST_WIDE_INT) (n)) & GET_MODE_MASK (mode)) == \ | |
2005 | ((((unsigned HOST_WIDE_INT)GET_MODE_MASK (mode)) + 1) >> 1)) | |
2006 | ||
2007 | \f | |
2008 | /* Try a machine-dependent way of reloading an illegitimate address | |
2009 | operand. If we find one, push the reload and jump to WIN. This | |
2010 | macro is used in only one place: `find_reloads_address' in reload.c. | |
2011 | ||
2012 | Implemented on rs6000 by rs6000_legitimize_reload_address. | |
2013 | Note that (X) is evaluated twice; this is safe in current usage. */ | |
2014 | ||
2015 | #define LEGITIMIZE_RELOAD_ADDRESS(X,MODE,OPNUM,TYPE,IND_LEVELS,WIN) \ | |
2016 | do { \ | |
2017 | int win; \ | |
2018 | (X) = rs6000_legitimize_reload_address_ptr ((X), (MODE), (OPNUM), \ | |
2019 | (int)(TYPE), (IND_LEVELS), &win); \ | |
2020 | if ( win ) \ | |
2021 | goto WIN; \ | |
2022 | } while (0) | |
2023 | ||
2024 | #define FIND_BASE_TERM rs6000_find_base_term | |
2025 | \f | |
2026 | /* The register number of the register used to address a table of | |
2027 | static data addresses in memory. In some cases this register is | |
2028 | defined by a processor's "application binary interface" (ABI). | |
2029 | When this macro is defined, RTL is generated for this register | |
2030 | once, as with the stack pointer and frame pointer registers. If | |
2031 | this macro is not defined, it is up to the machine-dependent files | |
2032 | to allocate such a register (if necessary). */ | |
2033 | ||
2034 | #define RS6000_PIC_OFFSET_TABLE_REGNUM 30 | |
2035 | #define PIC_OFFSET_TABLE_REGNUM \ | |
2036 | (TARGET_TOC ? TOC_REGISTER \ | |
2037 | : flag_pic ? RS6000_PIC_OFFSET_TABLE_REGNUM \ | |
2038 | : INVALID_REGNUM) | |
2039 | ||
2040 | #define TOC_REGISTER (TARGET_MINIMAL_TOC ? RS6000_PIC_OFFSET_TABLE_REGNUM : 2) | |
2041 | ||
2042 | /* Define this macro if the register defined by | |
2043 | `PIC_OFFSET_TABLE_REGNUM' is clobbered by calls. Do not define | |
2044 | this macro if `PIC_OFFSET_TABLE_REGNUM' is not defined. */ | |
2045 | ||
2046 | /* #define PIC_OFFSET_TABLE_REG_CALL_CLOBBERED */ | |
2047 | ||
2048 | /* A C expression that is nonzero if X is a legitimate immediate | |
2049 | operand on the target machine when generating position independent | |
2050 | code. You can assume that X satisfies `CONSTANT_P', so you need | |
2051 | not check this. You can also assume FLAG_PIC is true, so you need | |
2052 | not check it either. You need not define this macro if all | |
2053 | constants (including `SYMBOL_REF') can be immediate operands when | |
2054 | generating position independent code. */ | |
2055 | ||
2056 | /* #define LEGITIMATE_PIC_OPERAND_P (X) */ | |
2057 | \f | |
2058 | /* Define this if some processing needs to be done immediately before | |
2059 | emitting code for an insn. */ | |
2060 | ||
2061 | #define FINAL_PRESCAN_INSN(INSN,OPERANDS,NOPERANDS) \ | |
2062 | rs6000_final_prescan_insn (INSN, OPERANDS, NOPERANDS) | |
2063 | ||
2064 | /* Specify the machine mode that this machine uses | |
2065 | for the index in the tablejump instruction. */ | |
2066 | #define CASE_VECTOR_MODE SImode | |
2067 | ||
2068 | /* Define as C expression which evaluates to nonzero if the tablejump | |
2069 | instruction expects the table to contain offsets from the address of the | |
2070 | table. | |
2071 | Do not define this if the table should contain absolute addresses. */ | |
2072 | #define CASE_VECTOR_PC_RELATIVE 1 | |
2073 | ||
2074 | /* Define this as 1 if `char' should by default be signed; else as 0. */ | |
2075 | #define DEFAULT_SIGNED_CHAR 0 | |
2076 | ||
2077 | /* An integer expression for the size in bits of the largest integer machine | |
2078 | mode that should actually be used. */ | |
2079 | ||
2080 | /* Allow pairs of registers to be used, which is the intent of the default. */ | |
2081 | #define MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (TARGET_POWERPC64 ? TImode : DImode) | |
2082 | ||
2083 | /* Max number of bytes we can move from memory to memory | |
2084 | in one reasonably fast instruction. */ | |
2085 | #define MOVE_MAX (! TARGET_POWERPC64 ? 4 : 8) | |
2086 | #define MAX_MOVE_MAX 8 | |
2087 | ||
2088 | /* Nonzero if access to memory by bytes is no faster than for words. | |
2089 | Also nonzero if doing byte operations (specifically shifts) in registers | |
2090 | is undesirable. */ | |
2091 | #define SLOW_BYTE_ACCESS 1 | |
2092 | ||
2093 | /* Define if loading in MODE, an integral mode narrower than BITS_PER_WORD | |
2094 | will either zero-extend or sign-extend. The value of this macro should | |
2095 | be the code that says which one of the two operations is implicitly | |
2096 | done, UNKNOWN if none. */ | |
2097 | #define LOAD_EXTEND_OP(MODE) ZERO_EXTEND | |
2098 | ||
2099 | /* Define if loading short immediate values into registers sign extends. */ | |
2100 | #define SHORT_IMMEDIATES_SIGN_EXTEND 1 | |
2101 | \f | |
83349046 SB |
2102 | /* The cntlzw and cntlzd instructions return 32 and 64 for input of zero. */ |
2103 | #define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) \ | |
2104 | ((VALUE) = GET_MODE_BITSIZE (MODE), 2) | |
2105 | ||
2106 | /* The CTZ patterns that are implemented in terms of CLZ return -1 for input of | |
2107 | zero. The hardware instructions added in Power9 and the sequences using | |
2108 | popcount return 32 or 64. */ | |
2109 | #define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) \ | |
2110 | (TARGET_CTZ || TARGET_POPCNTD \ | |
2111 | ? ((VALUE) = GET_MODE_BITSIZE (MODE), 2) \ | |
2112 | : ((VALUE) = -1, 2)) | |
2113 | ||
2114 | /* Specify the machine mode that pointers have. | |
2115 | After generation of rtl, the compiler makes no further distinction | |
2116 | between pointers and any other objects of this machine mode. */ | |
501623d4 RS |
2117 | extern scalar_int_mode rs6000_pmode; |
2118 | #define Pmode rs6000_pmode | |
83349046 SB |
2119 | |
2120 | /* Supply definition of STACK_SIZE_MODE for allocate_dynamic_stack_space. */ | |
2121 | #define STACK_SIZE_MODE (TARGET_32BIT ? SImode : DImode) | |
2122 | ||
2123 | /* Mode of a function address in a call instruction (for indexing purposes). | |
2124 | Doesn't matter on RS/6000. */ | |
2125 | #define FUNCTION_MODE SImode | |
2126 | ||
2127 | /* Define this if addresses of constant functions | |
2128 | shouldn't be put through pseudo regs where they can be cse'd. | |
2129 | Desirable on machines where ordinary constants are expensive | |
2130 | but a CALL with constant address is cheap. */ | |
2131 | #define NO_FUNCTION_CSE 1 | |
2132 | ||
2133 | /* Define this to be nonzero if shift instructions ignore all but the low-order | |
2134 | few bits. | |
2135 | ||
2136 | The sle and sre instructions which allow SHIFT_COUNT_TRUNCATED | |
2137 | have been dropped from the PowerPC architecture. */ | |
2138 | #define SHIFT_COUNT_TRUNCATED 0 | |
2139 | ||
2140 | /* Adjust the length of an INSN. LENGTH is the currently-computed length and | |
2141 | should be adjusted to reflect any required changes. This macro is used when | |
2142 | there is some systematic length adjustment required that would be difficult | |
2143 | to express in the length attribute. */ | |
2144 | ||
2145 | /* #define ADJUST_INSN_LENGTH(X,LENGTH) */ | |
2146 | ||
2147 | /* Given a comparison code (EQ, NE, etc.) and the first operand of a | |
2148 | COMPARE, return the mode to be used for the comparison. For | |
2149 | floating-point, CCFPmode should be used. CCUNSmode should be used | |
2150 | for unsigned comparisons. CCEQmode should be used when we are | |
2151 | doing an inequality comparison on the result of a | |
2152 | comparison. CCmode should be used in all other cases. */ | |
2153 | ||
2154 | #define SELECT_CC_MODE(OP,X,Y) \ | |
2155 | (SCALAR_FLOAT_MODE_P (GET_MODE (X)) ? CCFPmode \ | |
2156 | : (OP) == GTU || (OP) == LTU || (OP) == GEU || (OP) == LEU ? CCUNSmode \ | |
2157 | : (((OP) == EQ || (OP) == NE) && COMPARISON_P (X) \ | |
2158 | ? CCEQmode : CCmode)) | |
2159 | ||
2160 | /* Can the condition code MODE be safely reversed? This is safe in | |
2161 | all cases on this port, because at present it doesn't use the | |
2162 | trapping FP comparisons (fcmpo). */ | |
2163 | #define REVERSIBLE_CC_MODE(MODE) 1 | |
2164 | ||
2165 | /* Given a condition code and a mode, return the inverse condition. */ | |
2166 | #define REVERSE_CONDITION(CODE, MODE) rs6000_reverse_condition (MODE, CODE) | |
2167 | ||
2168 | \f | |
2169 | /* Control the assembler format that we output. */ | |
2170 | ||
2171 | /* A C string constant describing how to begin a comment in the target | |
2172 | assembler language. The compiler assumes that the comment will end at | |
2173 | the end of the line. */ | |
2174 | #define ASM_COMMENT_START " #" | |
2175 | ||
2176 | /* Flag to say the TOC is initialized */ | |
2177 | extern int toc_initialized; | |
2178 | ||
2179 | /* Macro to output a special constant pool entry. Go to WIN if we output | |
2180 | it. Otherwise, it is written the usual way. | |
2181 | ||
2182 | On the RS/6000, toc entries are handled this way. */ | |
2183 | ||
2184 | #define ASM_OUTPUT_SPECIAL_POOL_ENTRY(FILE, X, MODE, ALIGN, LABELNO, WIN) \ | |
2185 | { if (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P (X, MODE)) \ | |
2186 | { \ | |
2187 | output_toc (FILE, X, LABELNO, MODE); \ | |
2188 | goto WIN; \ | |
2189 | } \ | |
2190 | } | |
2191 | ||
2192 | #ifdef HAVE_GAS_WEAK | |
2193 | #define RS6000_WEAK 1 | |
2194 | #else | |
2195 | #define RS6000_WEAK 0 | |
2196 | #endif | |
2197 | ||
2198 | #if RS6000_WEAK | |
2199 | /* Used in lieu of ASM_WEAKEN_LABEL. */ | |
2200 | #define ASM_WEAKEN_DECL(FILE, DECL, NAME, VAL) \ | |
2201 | rs6000_asm_weaken_decl ((FILE), (DECL), (NAME), (VAL)) | |
2202 | #endif | |
2203 | ||
2204 | #if HAVE_GAS_WEAKREF | |
2205 | #define ASM_OUTPUT_WEAKREF(FILE, DECL, NAME, VALUE) \ | |
2206 | do \ | |
2207 | { \ | |
2208 | fputs ("\t.weakref\t", (FILE)); \ | |
2209 | RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \ | |
2210 | fputs (", ", (FILE)); \ | |
2211 | RS6000_OUTPUT_BASENAME ((FILE), (VALUE)); \ | |
2212 | if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL \ | |
2213 | && DEFAULT_ABI == ABI_AIX && DOT_SYMBOLS) \ | |
2214 | { \ | |
2215 | fputs ("\n\t.weakref\t.", (FILE)); \ | |
2216 | RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \ | |
2217 | fputs (", .", (FILE)); \ | |
2218 | RS6000_OUTPUT_BASENAME ((FILE), (VALUE)); \ | |
2219 | } \ | |
2220 | fputc ('\n', (FILE)); \ | |
2221 | } while (0) | |
2222 | #endif | |
2223 | ||
2224 | /* This implements the `alias' attribute. */ | |
2225 | #undef ASM_OUTPUT_DEF_FROM_DECLS | |
2226 | #define ASM_OUTPUT_DEF_FROM_DECLS(FILE, DECL, TARGET) \ | |
2227 | do \ | |
2228 | { \ | |
2229 | const char *alias = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \ | |
2230 | const char *name = IDENTIFIER_POINTER (TARGET); \ | |
2231 | if (TREE_CODE (DECL) == FUNCTION_DECL \ | |
2232 | && DEFAULT_ABI == ABI_AIX && DOT_SYMBOLS) \ | |
2233 | { \ | |
2234 | if (TREE_PUBLIC (DECL)) \ | |
2235 | { \ | |
2236 | if (!RS6000_WEAK || !DECL_WEAK (DECL)) \ | |
2237 | { \ | |
2238 | fputs ("\t.globl\t.", FILE); \ | |
2239 | RS6000_OUTPUT_BASENAME (FILE, alias); \ | |
2240 | putc ('\n', FILE); \ | |
2241 | } \ | |
2242 | } \ | |
2243 | else if (TARGET_XCOFF) \ | |
2244 | { \ | |
2245 | if (!RS6000_WEAK || !DECL_WEAK (DECL)) \ | |
2246 | { \ | |
2247 | fputs ("\t.lglobl\t.", FILE); \ | |
2248 | RS6000_OUTPUT_BASENAME (FILE, alias); \ | |
2249 | putc ('\n', FILE); \ | |
2250 | fputs ("\t.lglobl\t", FILE); \ | |
2251 | RS6000_OUTPUT_BASENAME (FILE, alias); \ | |
2252 | putc ('\n', FILE); \ | |
2253 | } \ | |
2254 | } \ | |
2255 | fputs ("\t.set\t.", FILE); \ | |
2256 | RS6000_OUTPUT_BASENAME (FILE, alias); \ | |
2257 | fputs (",.", FILE); \ | |
2258 | RS6000_OUTPUT_BASENAME (FILE, name); \ | |
2259 | fputc ('\n', FILE); \ | |
2260 | } \ | |
2261 | ASM_OUTPUT_DEF (FILE, alias, name); \ | |
2262 | } \ | |
2263 | while (0) | |
2264 | ||
2265 | #define TARGET_ASM_FILE_START rs6000_file_start | |
2266 | ||
2267 | /* Output to assembler file text saying following lines | |
2268 | may contain character constants, extra white space, comments, etc. */ | |
2269 | ||
2270 | #define ASM_APP_ON "" | |
2271 | ||
2272 | /* Output to assembler file text saying following lines | |
2273 | no longer contain unusual constructs. */ | |
2274 | ||
2275 | #define ASM_APP_OFF "" | |
2276 | ||
2277 | /* How to refer to registers in assembler output. | |
2278 | This sequence is indexed by compiler's hard-register-number (see above). */ | |
2279 | ||
2280 | extern char rs6000_reg_names[][8]; /* register names (0 vs. %r0). */ | |
2281 | ||
2282 | #define REGISTER_NAMES \ | |
2283 | { \ | |
2284 | &rs6000_reg_names[ 0][0], /* r0 */ \ | |
2285 | &rs6000_reg_names[ 1][0], /* r1 */ \ | |
2286 | &rs6000_reg_names[ 2][0], /* r2 */ \ | |
2287 | &rs6000_reg_names[ 3][0], /* r3 */ \ | |
2288 | &rs6000_reg_names[ 4][0], /* r4 */ \ | |
2289 | &rs6000_reg_names[ 5][0], /* r5 */ \ | |
2290 | &rs6000_reg_names[ 6][0], /* r6 */ \ | |
2291 | &rs6000_reg_names[ 7][0], /* r7 */ \ | |
2292 | &rs6000_reg_names[ 8][0], /* r8 */ \ | |
2293 | &rs6000_reg_names[ 9][0], /* r9 */ \ | |
2294 | &rs6000_reg_names[10][0], /* r10 */ \ | |
2295 | &rs6000_reg_names[11][0], /* r11 */ \ | |
2296 | &rs6000_reg_names[12][0], /* r12 */ \ | |
2297 | &rs6000_reg_names[13][0], /* r13 */ \ | |
2298 | &rs6000_reg_names[14][0], /* r14 */ \ | |
2299 | &rs6000_reg_names[15][0], /* r15 */ \ | |
2300 | &rs6000_reg_names[16][0], /* r16 */ \ | |
2301 | &rs6000_reg_names[17][0], /* r17 */ \ | |
2302 | &rs6000_reg_names[18][0], /* r18 */ \ | |
2303 | &rs6000_reg_names[19][0], /* r19 */ \ | |
2304 | &rs6000_reg_names[20][0], /* r20 */ \ | |
2305 | &rs6000_reg_names[21][0], /* r21 */ \ | |
2306 | &rs6000_reg_names[22][0], /* r22 */ \ | |
2307 | &rs6000_reg_names[23][0], /* r23 */ \ | |
2308 | &rs6000_reg_names[24][0], /* r24 */ \ | |
2309 | &rs6000_reg_names[25][0], /* r25 */ \ | |
2310 | &rs6000_reg_names[26][0], /* r26 */ \ | |
2311 | &rs6000_reg_names[27][0], /* r27 */ \ | |
2312 | &rs6000_reg_names[28][0], /* r28 */ \ | |
2313 | &rs6000_reg_names[29][0], /* r29 */ \ | |
2314 | &rs6000_reg_names[30][0], /* r30 */ \ | |
2315 | &rs6000_reg_names[31][0], /* r31 */ \ | |
2316 | \ | |
2317 | &rs6000_reg_names[32][0], /* fr0 */ \ | |
2318 | &rs6000_reg_names[33][0], /* fr1 */ \ | |
2319 | &rs6000_reg_names[34][0], /* fr2 */ \ | |
2320 | &rs6000_reg_names[35][0], /* fr3 */ \ | |
2321 | &rs6000_reg_names[36][0], /* fr4 */ \ | |
2322 | &rs6000_reg_names[37][0], /* fr5 */ \ | |
2323 | &rs6000_reg_names[38][0], /* fr6 */ \ | |
2324 | &rs6000_reg_names[39][0], /* fr7 */ \ | |
2325 | &rs6000_reg_names[40][0], /* fr8 */ \ | |
2326 | &rs6000_reg_names[41][0], /* fr9 */ \ | |
2327 | &rs6000_reg_names[42][0], /* fr10 */ \ | |
2328 | &rs6000_reg_names[43][0], /* fr11 */ \ | |
2329 | &rs6000_reg_names[44][0], /* fr12 */ \ | |
2330 | &rs6000_reg_names[45][0], /* fr13 */ \ | |
2331 | &rs6000_reg_names[46][0], /* fr14 */ \ | |
2332 | &rs6000_reg_names[47][0], /* fr15 */ \ | |
2333 | &rs6000_reg_names[48][0], /* fr16 */ \ | |
2334 | &rs6000_reg_names[49][0], /* fr17 */ \ | |
2335 | &rs6000_reg_names[50][0], /* fr18 */ \ | |
2336 | &rs6000_reg_names[51][0], /* fr19 */ \ | |
2337 | &rs6000_reg_names[52][0], /* fr20 */ \ | |
2338 | &rs6000_reg_names[53][0], /* fr21 */ \ | |
2339 | &rs6000_reg_names[54][0], /* fr22 */ \ | |
2340 | &rs6000_reg_names[55][0], /* fr23 */ \ | |
2341 | &rs6000_reg_names[56][0], /* fr24 */ \ | |
2342 | &rs6000_reg_names[57][0], /* fr25 */ \ | |
2343 | &rs6000_reg_names[58][0], /* fr26 */ \ | |
2344 | &rs6000_reg_names[59][0], /* fr27 */ \ | |
2345 | &rs6000_reg_names[60][0], /* fr28 */ \ | |
2346 | &rs6000_reg_names[61][0], /* fr29 */ \ | |
2347 | &rs6000_reg_names[62][0], /* fr30 */ \ | |
2348 | &rs6000_reg_names[63][0], /* fr31 */ \ | |
2349 | \ | |
2350 | &rs6000_reg_names[64][0], /* was mq */ \ | |
2351 | &rs6000_reg_names[65][0], /* lr */ \ | |
2352 | &rs6000_reg_names[66][0], /* ctr */ \ | |
2353 | &rs6000_reg_names[67][0], /* ap */ \ | |
2354 | \ | |
2355 | &rs6000_reg_names[68][0], /* cr0 */ \ | |
2356 | &rs6000_reg_names[69][0], /* cr1 */ \ | |
2357 | &rs6000_reg_names[70][0], /* cr2 */ \ | |
2358 | &rs6000_reg_names[71][0], /* cr3 */ \ | |
2359 | &rs6000_reg_names[72][0], /* cr4 */ \ | |
2360 | &rs6000_reg_names[73][0], /* cr5 */ \ | |
2361 | &rs6000_reg_names[74][0], /* cr6 */ \ | |
2362 | &rs6000_reg_names[75][0], /* cr7 */ \ | |
2363 | \ | |
2364 | &rs6000_reg_names[76][0], /* ca */ \ | |
2365 | \ | |
2366 | &rs6000_reg_names[77][0], /* v0 */ \ | |
2367 | &rs6000_reg_names[78][0], /* v1 */ \ | |
2368 | &rs6000_reg_names[79][0], /* v2 */ \ | |
2369 | &rs6000_reg_names[80][0], /* v3 */ \ | |
2370 | &rs6000_reg_names[81][0], /* v4 */ \ | |
2371 | &rs6000_reg_names[82][0], /* v5 */ \ | |
2372 | &rs6000_reg_names[83][0], /* v6 */ \ | |
2373 | &rs6000_reg_names[84][0], /* v7 */ \ | |
2374 | &rs6000_reg_names[85][0], /* v8 */ \ | |
2375 | &rs6000_reg_names[86][0], /* v9 */ \ | |
2376 | &rs6000_reg_names[87][0], /* v10 */ \ | |
2377 | &rs6000_reg_names[88][0], /* v11 */ \ | |
2378 | &rs6000_reg_names[89][0], /* v12 */ \ | |
2379 | &rs6000_reg_names[90][0], /* v13 */ \ | |
2380 | &rs6000_reg_names[91][0], /* v14 */ \ | |
2381 | &rs6000_reg_names[92][0], /* v15 */ \ | |
2382 | &rs6000_reg_names[93][0], /* v16 */ \ | |
2383 | &rs6000_reg_names[94][0], /* v17 */ \ | |
2384 | &rs6000_reg_names[95][0], /* v18 */ \ | |
2385 | &rs6000_reg_names[96][0], /* v19 */ \ | |
2386 | &rs6000_reg_names[97][0], /* v20 */ \ | |
2387 | &rs6000_reg_names[98][0], /* v21 */ \ | |
2388 | &rs6000_reg_names[99][0], /* v22 */ \ | |
2389 | &rs6000_reg_names[100][0], /* v23 */ \ | |
2390 | &rs6000_reg_names[101][0], /* v24 */ \ | |
2391 | &rs6000_reg_names[102][0], /* v25 */ \ | |
2392 | &rs6000_reg_names[103][0], /* v26 */ \ | |
2393 | &rs6000_reg_names[104][0], /* v27 */ \ | |
2394 | &rs6000_reg_names[105][0], /* v28 */ \ | |
2395 | &rs6000_reg_names[106][0], /* v29 */ \ | |
2396 | &rs6000_reg_names[107][0], /* v30 */ \ | |
2397 | &rs6000_reg_names[108][0], /* v31 */ \ | |
2398 | &rs6000_reg_names[109][0], /* vrsave */ \ | |
2399 | &rs6000_reg_names[110][0], /* vscr */ \ | |
2400 | &rs6000_reg_names[111][0], /* spe_acc */ \ | |
2401 | &rs6000_reg_names[112][0], /* spefscr */ \ | |
2402 | &rs6000_reg_names[113][0], /* sfp */ \ | |
2403 | &rs6000_reg_names[114][0], /* tfhar */ \ | |
2404 | &rs6000_reg_names[115][0], /* tfiar */ \ | |
2405 | &rs6000_reg_names[116][0], /* texasr */ \ | |
2406 | \ | |
2407 | &rs6000_reg_names[117][0], /* SPE rh0. */ \ | |
2408 | &rs6000_reg_names[118][0], /* SPE rh1. */ \ | |
2409 | &rs6000_reg_names[119][0], /* SPE rh2. */ \ | |
2410 | &rs6000_reg_names[120][0], /* SPE rh3. */ \ | |
2411 | &rs6000_reg_names[121][0], /* SPE rh4. */ \ | |
2412 | &rs6000_reg_names[122][0], /* SPE rh5. */ \ | |
2413 | &rs6000_reg_names[123][0], /* SPE rh6. */ \ | |
2414 | &rs6000_reg_names[124][0], /* SPE rh7. */ \ | |
2415 | &rs6000_reg_names[125][0], /* SPE rh8. */ \ | |
2416 | &rs6000_reg_names[126][0], /* SPE rh9. */ \ | |
2417 | &rs6000_reg_names[127][0], /* SPE rh10. */ \ | |
2418 | &rs6000_reg_names[128][0], /* SPE rh11. */ \ | |
2419 | &rs6000_reg_names[129][0], /* SPE rh12. */ \ | |
2420 | &rs6000_reg_names[130][0], /* SPE rh13. */ \ | |
2421 | &rs6000_reg_names[131][0], /* SPE rh14. */ \ | |
2422 | &rs6000_reg_names[132][0], /* SPE rh15. */ \ | |
2423 | &rs6000_reg_names[133][0], /* SPE rh16. */ \ | |
2424 | &rs6000_reg_names[134][0], /* SPE rh17. */ \ | |
2425 | &rs6000_reg_names[135][0], /* SPE rh18. */ \ | |
2426 | &rs6000_reg_names[136][0], /* SPE rh19. */ \ | |
2427 | &rs6000_reg_names[137][0], /* SPE rh20. */ \ | |
2428 | &rs6000_reg_names[138][0], /* SPE rh21. */ \ | |
2429 | &rs6000_reg_names[139][0], /* SPE rh22. */ \ | |
2430 | &rs6000_reg_names[140][0], /* SPE rh22. */ \ | |
2431 | &rs6000_reg_names[141][0], /* SPE rh24. */ \ | |
2432 | &rs6000_reg_names[142][0], /* SPE rh25. */ \ | |
2433 | &rs6000_reg_names[143][0], /* SPE rh26. */ \ | |
2434 | &rs6000_reg_names[144][0], /* SPE rh27. */ \ | |
2435 | &rs6000_reg_names[145][0], /* SPE rh28. */ \ | |
2436 | &rs6000_reg_names[146][0], /* SPE rh29. */ \ | |
2437 | &rs6000_reg_names[147][0], /* SPE rh30. */ \ | |
2438 | &rs6000_reg_names[148][0], /* SPE rh31. */ \ | |
2439 | } | |
2440 | ||
2441 | /* Table of additional register names to use in user input. */ | |
2442 | ||
2443 | #define ADDITIONAL_REGISTER_NAMES \ | |
2444 | {{"r0", 0}, {"r1", 1}, {"r2", 2}, {"r3", 3}, \ | |
2445 | {"r4", 4}, {"r5", 5}, {"r6", 6}, {"r7", 7}, \ | |
2446 | {"r8", 8}, {"r9", 9}, {"r10", 10}, {"r11", 11}, \ | |
2447 | {"r12", 12}, {"r13", 13}, {"r14", 14}, {"r15", 15}, \ | |
2448 | {"r16", 16}, {"r17", 17}, {"r18", 18}, {"r19", 19}, \ | |
2449 | {"r20", 20}, {"r21", 21}, {"r22", 22}, {"r23", 23}, \ | |
2450 | {"r24", 24}, {"r25", 25}, {"r26", 26}, {"r27", 27}, \ | |
2451 | {"r28", 28}, {"r29", 29}, {"r30", 30}, {"r31", 31}, \ | |
2452 | {"fr0", 32}, {"fr1", 33}, {"fr2", 34}, {"fr3", 35}, \ | |
2453 | {"fr4", 36}, {"fr5", 37}, {"fr6", 38}, {"fr7", 39}, \ | |
2454 | {"fr8", 40}, {"fr9", 41}, {"fr10", 42}, {"fr11", 43}, \ | |
2455 | {"fr12", 44}, {"fr13", 45}, {"fr14", 46}, {"fr15", 47}, \ | |
2456 | {"fr16", 48}, {"fr17", 49}, {"fr18", 50}, {"fr19", 51}, \ | |
2457 | {"fr20", 52}, {"fr21", 53}, {"fr22", 54}, {"fr23", 55}, \ | |
2458 | {"fr24", 56}, {"fr25", 57}, {"fr26", 58}, {"fr27", 59}, \ | |
2459 | {"fr28", 60}, {"fr29", 61}, {"fr30", 62}, {"fr31", 63}, \ | |
2460 | {"v0", 77}, {"v1", 78}, {"v2", 79}, {"v3", 80}, \ | |
2461 | {"v4", 81}, {"v5", 82}, {"v6", 83}, {"v7", 84}, \ | |
2462 | {"v8", 85}, {"v9", 86}, {"v10", 87}, {"v11", 88}, \ | |
2463 | {"v12", 89}, {"v13", 90}, {"v14", 91}, {"v15", 92}, \ | |
2464 | {"v16", 93}, {"v17", 94}, {"v18", 95}, {"v19", 96}, \ | |
2465 | {"v20", 97}, {"v21", 98}, {"v22", 99}, {"v23", 100}, \ | |
2466 | {"v24", 101},{"v25", 102},{"v26", 103},{"v27", 104}, \ | |
2467 | {"v28", 105},{"v29", 106},{"v30", 107},{"v31", 108}, \ | |
2468 | {"vrsave", 109}, {"vscr", 110}, \ | |
2469 | {"spe_acc", 111}, {"spefscr", 112}, \ | |
2470 | /* no additional names for: lr, ctr, ap */ \ | |
2471 | {"cr0", 68}, {"cr1", 69}, {"cr2", 70}, {"cr3", 71}, \ | |
2472 | {"cr4", 72}, {"cr5", 73}, {"cr6", 74}, {"cr7", 75}, \ | |
2473 | {"cc", 68}, {"sp", 1}, {"toc", 2}, \ | |
2474 | /* CA is only part of XER, but we do not model the other parts (yet). */ \ | |
2475 | {"xer", 76}, \ | |
2476 | /* VSX registers overlaid on top of FR, Altivec registers */ \ | |
2477 | {"vs0", 32}, {"vs1", 33}, {"vs2", 34}, {"vs3", 35}, \ | |
2478 | {"vs4", 36}, {"vs5", 37}, {"vs6", 38}, {"vs7", 39}, \ | |
2479 | {"vs8", 40}, {"vs9", 41}, {"vs10", 42}, {"vs11", 43}, \ | |
2480 | {"vs12", 44}, {"vs13", 45}, {"vs14", 46}, {"vs15", 47}, \ | |
2481 | {"vs16", 48}, {"vs17", 49}, {"vs18", 50}, {"vs19", 51}, \ | |
2482 | {"vs20", 52}, {"vs21", 53}, {"vs22", 54}, {"vs23", 55}, \ | |
2483 | {"vs24", 56}, {"vs25", 57}, {"vs26", 58}, {"vs27", 59}, \ | |
2484 | {"vs28", 60}, {"vs29", 61}, {"vs30", 62}, {"vs31", 63}, \ | |
2485 | {"vs32", 77}, {"vs33", 78}, {"vs34", 79}, {"vs35", 80}, \ | |
2486 | {"vs36", 81}, {"vs37", 82}, {"vs38", 83}, {"vs39", 84}, \ | |
2487 | {"vs40", 85}, {"vs41", 86}, {"vs42", 87}, {"vs43", 88}, \ | |
2488 | {"vs44", 89}, {"vs45", 90}, {"vs46", 91}, {"vs47", 92}, \ | |
2489 | {"vs48", 93}, {"vs49", 94}, {"vs50", 95}, {"vs51", 96}, \ | |
2490 | {"vs52", 97}, {"vs53", 98}, {"vs54", 99}, {"vs55", 100}, \ | |
2491 | {"vs56", 101},{"vs57", 102},{"vs58", 103},{"vs59", 104}, \ | |
2492 | {"vs60", 105},{"vs61", 106},{"vs62", 107},{"vs63", 108}, \ | |
2493 | /* Transactional Memory Facility (HTM) Registers. */ \ | |
2494 | {"tfhar", 114}, {"tfiar", 115}, {"texasr", 116}, \ | |
2495 | /* SPE high registers. */ \ | |
2496 | {"rh0", 117}, {"rh1", 118}, {"rh2", 119}, {"rh3", 120}, \ | |
2497 | {"rh4", 121}, {"rh5", 122}, {"rh6", 123}, {"rh7", 124}, \ | |
2498 | {"rh8", 125}, {"rh9", 126}, {"rh10", 127}, {"rh11", 128}, \ | |
2499 | {"rh12", 129}, {"rh13", 130}, {"rh14", 131}, {"rh15", 132}, \ | |
2500 | {"rh16", 133}, {"rh17", 134}, {"rh18", 135}, {"rh19", 136}, \ | |
2501 | {"rh20", 137}, {"rh21", 138}, {"rh22", 139}, {"rh23", 140}, \ | |
2502 | {"rh24", 141}, {"rh25", 142}, {"rh26", 143}, {"rh27", 144}, \ | |
2503 | {"rh28", 145}, {"rh29", 146}, {"rh30", 147}, {"rh31", 148}, \ | |
2504 | } | |
2505 | ||
2506 | /* This is how to output an element of a case-vector that is relative. */ | |
2507 | ||
2508 | #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ | |
2509 | do { char buf[100]; \ | |
2510 | fputs ("\t.long ", FILE); \ | |
2511 | ASM_GENERATE_INTERNAL_LABEL (buf, "L", VALUE); \ | |
2512 | assemble_name (FILE, buf); \ | |
2513 | putc ('-', FILE); \ | |
2514 | ASM_GENERATE_INTERNAL_LABEL (buf, "L", REL); \ | |
2515 | assemble_name (FILE, buf); \ | |
2516 | putc ('\n', FILE); \ | |
2517 | } while (0) | |
2518 | ||
2519 | /* This is how to output an assembler line | |
2520 | that says to advance the location counter | |
2521 | to a multiple of 2**LOG bytes. */ | |
2522 | ||
2523 | #define ASM_OUTPUT_ALIGN(FILE,LOG) \ | |
2524 | if ((LOG) != 0) \ | |
2525 | fprintf (FILE, "\t.align %d\n", (LOG)) | |
2526 | ||
2527 | /* How to align the given loop. */ | |
2528 | #define LOOP_ALIGN(LABEL) rs6000_loop_align(LABEL) | |
2529 | ||
2530 | /* Alignment guaranteed by __builtin_malloc. */ | |
2531 | /* FIXME: 128-bit alignment is guaranteed by glibc for TARGET_64BIT. | |
2532 | However, specifying the stronger guarantee currently leads to | |
2533 | a regression in SPEC CPU2006 437.leslie3d. The stronger | |
2534 | guarantee should be implemented here once that's fixed. */ | |
2535 | #define MALLOC_ABI_ALIGNMENT (64) | |
2536 | ||
2537 | /* Pick up the return address upon entry to a procedure. Used for | |
2538 | dwarf2 unwind information. This also enables the table driven | |
2539 | mechanism. */ | |
2540 | ||
2541 | #define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (Pmode, LR_REGNO) | |
2542 | #define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGNUM (LR_REGNO) | |
2543 | ||
2544 | /* Describe how we implement __builtin_eh_return. */ | |
2545 | #define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 3 : INVALID_REGNUM) | |
2546 | #define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, 10) | |
2547 | ||
2548 | /* Print operand X (an rtx) in assembler syntax to file FILE. | |
2549 | CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified. | |
2550 | For `%' followed by punctuation, CODE is the punctuation and X is null. */ | |
2551 | ||
2552 | #define PRINT_OPERAND(FILE, X, CODE) print_operand (FILE, X, CODE) | |
2553 | ||
2554 | /* Define which CODE values are valid. */ | |
2555 | ||
2556 | #define PRINT_OPERAND_PUNCT_VALID_P(CODE) ((CODE) == '&') | |
2557 | ||
2558 | /* Print a memory address as an operand to reference that memory location. */ | |
2559 | ||
2560 | #define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address (FILE, ADDR) | |
2561 | ||
2562 | /* For switching between functions with different target attributes. */ | |
2563 | #define SWITCHABLE_TARGET 1 | |
2564 | ||
2565 | /* uncomment for disabling the corresponding default options */ | |
2566 | /* #define MACHINE_no_sched_interblock */ | |
2567 | /* #define MACHINE_no_sched_speculative */ | |
2568 | /* #define MACHINE_no_sched_speculative_load */ | |
2569 | ||
2570 | /* General flags. */ | |
2571 | extern int frame_pointer_needed; | |
2572 | ||
2573 | /* Classification of the builtin functions as to which switches enable the | |
2574 | builtin, and what attributes it should have. We used to use the target | |
2575 | flags macros, but we've run out of bits, so we now map the options into new | |
2576 | settings used here. */ | |
2577 | ||
2578 | /* Builtin attributes. */ | |
2579 | #define RS6000_BTC_SPECIAL 0x00000000 /* Special function. */ | |
2580 | #define RS6000_BTC_UNARY 0x00000001 /* normal unary function. */ | |
2581 | #define RS6000_BTC_BINARY 0x00000002 /* normal binary function. */ | |
2582 | #define RS6000_BTC_TERNARY 0x00000003 /* normal ternary function. */ | |
2583 | #define RS6000_BTC_PREDICATE 0x00000004 /* predicate function. */ | |
2584 | #define RS6000_BTC_ABS 0x00000005 /* Altivec/VSX ABS function. */ | |
2585 | #define RS6000_BTC_EVSEL 0x00000006 /* SPE EVSEL function. */ | |
2586 | #define RS6000_BTC_DST 0x00000007 /* Altivec DST function. */ | |
2587 | #define RS6000_BTC_TYPE_MASK 0x0000000f /* Mask to isolate types */ | |
2588 | ||
2589 | #define RS6000_BTC_MISC 0x00000000 /* No special attributes. */ | |
2590 | #define RS6000_BTC_CONST 0x00000100 /* Neither uses, nor | |
2591 | modifies global state. */ | |
2592 | #define RS6000_BTC_PURE 0x00000200 /* reads global | |
2593 | state/mem and does | |
2594 | not modify global state. */ | |
2595 | #define RS6000_BTC_FP 0x00000400 /* depends on rounding mode. */ | |
2596 | #define RS6000_BTC_ATTR_MASK 0x00000700 /* Mask of the attributes. */ | |
2597 | ||
2598 | /* Miscellaneous information. */ | |
2599 | #define RS6000_BTC_SPR 0x01000000 /* function references SPRs. */ | |
2600 | #define RS6000_BTC_VOID 0x02000000 /* function has no return value. */ | |
2601 | #define RS6000_BTC_CR 0x04000000 /* function references a CR. */ | |
2602 | #define RS6000_BTC_OVERLOADED 0x08000000 /* function is overloaded. */ | |
2603 | #define RS6000_BTC_MISC_MASK 0x1f000000 /* Mask of the misc info. */ | |
2604 | ||
2605 | /* Convenience macros to document the instruction type. */ | |
2606 | #define RS6000_BTC_MEM RS6000_BTC_MISC /* load/store touches mem. */ | |
2607 | #define RS6000_BTC_SAT RS6000_BTC_MISC /* saturate sets VSCR. */ | |
2608 | ||
2609 | /* Builtin targets. For now, we reuse the masks for those options that are in | |
2610 | target flags, and pick three random bits for SPE, paired and ldbl128 which | |
2611 | aren't in target_flags. */ | |
2612 | #define RS6000_BTM_ALWAYS 0 /* Always enabled. */ | |
2613 | #define RS6000_BTM_ALTIVEC MASK_ALTIVEC /* VMX/altivec vectors. */ | |
2614 | #define RS6000_BTM_CMPB MASK_CMPB /* ISA 2.05: compare bytes. */ | |
2615 | #define RS6000_BTM_VSX MASK_VSX /* VSX (vector/scalar). */ | |
2616 | #define RS6000_BTM_P8_VECTOR MASK_P8_VECTOR /* ISA 2.07 vector. */ | |
2617 | #define RS6000_BTM_P9_VECTOR MASK_P9_VECTOR /* ISA 3.0 vector. */ | |
2618 | #define RS6000_BTM_P9_MISC MASK_P9_MISC /* ISA 3.0 misc. non-vector */ | |
2619 | #define RS6000_BTM_CRYPTO MASK_CRYPTO /* crypto funcs. */ | |
2620 | #define RS6000_BTM_HTM MASK_HTM /* hardware TM funcs. */ | |
2621 | #define RS6000_BTM_SPE MASK_STRING /* E500 */ | |
2622 | #define RS6000_BTM_PAIRED MASK_MULHW /* 750CL paired insns. */ | |
2623 | #define RS6000_BTM_FRE MASK_POPCNTB /* FRE instruction. */ | |
2624 | #define RS6000_BTM_FRES MASK_PPC_GFXOPT /* FRES instruction. */ | |
2625 | #define RS6000_BTM_FRSQRTE MASK_PPC_GFXOPT /* FRSQRTE instruction. */ | |
2626 | #define RS6000_BTM_FRSQRTES MASK_POPCNTB /* FRSQRTES instruction. */ | |
2627 | #define RS6000_BTM_POPCNTD MASK_POPCNTD /* Target supports ISA 2.06. */ | |
2628 | #define RS6000_BTM_CELL MASK_FPRND /* Target is cell powerpc. */ | |
2629 | #define RS6000_BTM_DFP MASK_DFP /* Decimal floating point. */ | |
2630 | #define RS6000_BTM_HARD_FLOAT MASK_SOFT_FLOAT /* Hardware floating point. */ | |
2631 | #define RS6000_BTM_LDBL128 MASK_MULTIPLE /* 128-bit long double. */ | |
2632 | #define RS6000_BTM_64BIT MASK_64BIT /* 64-bit addressing. */ | |
2633 | #define RS6000_BTM_FLOAT128 MASK_FLOAT128_TYPE /* IEEE 128-bit float. */ | |
2634 | ||
2635 | #define RS6000_BTM_COMMON (RS6000_BTM_ALTIVEC \ | |
2636 | | RS6000_BTM_VSX \ | |
2637 | | RS6000_BTM_P8_VECTOR \ | |
2638 | | RS6000_BTM_P9_VECTOR \ | |
2639 | | RS6000_BTM_P9_MISC \ | |
2640 | | RS6000_BTM_MODULO \ | |
2641 | | RS6000_BTM_CRYPTO \ | |
2642 | | RS6000_BTM_FRE \ | |
2643 | | RS6000_BTM_FRES \ | |
2644 | | RS6000_BTM_FRSQRTE \ | |
2645 | | RS6000_BTM_FRSQRTES \ | |
2646 | | RS6000_BTM_HTM \ | |
2647 | | RS6000_BTM_POPCNTD \ | |
2648 | | RS6000_BTM_CELL \ | |
2649 | | RS6000_BTM_DFP \ | |
2650 | | RS6000_BTM_HARD_FLOAT \ | |
2651 | | RS6000_BTM_LDBL128 \ | |
2652 | | RS6000_BTM_FLOAT128) | |
2653 | ||
2654 | /* Define builtin enum index. */ | |
2655 | ||
2656 | #undef RS6000_BUILTIN_0 | |
2657 | #undef RS6000_BUILTIN_1 | |
2658 | #undef RS6000_BUILTIN_2 | |
2659 | #undef RS6000_BUILTIN_3 | |
2660 | #undef RS6000_BUILTIN_A | |
2661 | #undef RS6000_BUILTIN_D | |
2662 | #undef RS6000_BUILTIN_E | |
2663 | #undef RS6000_BUILTIN_H | |
2664 | #undef RS6000_BUILTIN_P | |
2665 | #undef RS6000_BUILTIN_Q | |
2666 | #undef RS6000_BUILTIN_S | |
2667 | #undef RS6000_BUILTIN_X | |
2668 | ||
2669 | #define RS6000_BUILTIN_0(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2670 | #define RS6000_BUILTIN_1(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2671 | #define RS6000_BUILTIN_2(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2672 | #define RS6000_BUILTIN_3(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2673 | #define RS6000_BUILTIN_A(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2674 | #define RS6000_BUILTIN_D(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2675 | #define RS6000_BUILTIN_E(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2676 | #define RS6000_BUILTIN_H(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2677 | #define RS6000_BUILTIN_P(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2678 | #define RS6000_BUILTIN_Q(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2679 | #define RS6000_BUILTIN_S(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2680 | #define RS6000_BUILTIN_X(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2681 | ||
2682 | enum rs6000_builtins | |
2683 | { | |
2684 | #include "powerpcspe-builtin.def" | |
2685 | ||
2686 | RS6000_BUILTIN_COUNT | |
2687 | }; | |
2688 | ||
2689 | #undef RS6000_BUILTIN_0 | |
2690 | #undef RS6000_BUILTIN_1 | |
2691 | #undef RS6000_BUILTIN_2 | |
2692 | #undef RS6000_BUILTIN_3 | |
2693 | #undef RS6000_BUILTIN_A | |
2694 | #undef RS6000_BUILTIN_D | |
2695 | #undef RS6000_BUILTIN_E | |
2696 | #undef RS6000_BUILTIN_H | |
2697 | #undef RS6000_BUILTIN_P | |
2698 | #undef RS6000_BUILTIN_Q | |
2699 | #undef RS6000_BUILTIN_S | |
2700 | #undef RS6000_BUILTIN_X | |
2701 | ||
2702 | enum rs6000_builtin_type_index | |
2703 | { | |
2704 | RS6000_BTI_NOT_OPAQUE, | |
2705 | RS6000_BTI_opaque_V2SI, | |
2706 | RS6000_BTI_opaque_V2SF, | |
2707 | RS6000_BTI_opaque_p_V2SI, | |
2708 | RS6000_BTI_opaque_V4SI, | |
2709 | RS6000_BTI_V16QI, | |
2710 | RS6000_BTI_V1TI, | |
2711 | RS6000_BTI_V2SI, | |
2712 | RS6000_BTI_V2SF, | |
2713 | RS6000_BTI_V2DI, | |
2714 | RS6000_BTI_V2DF, | |
2715 | RS6000_BTI_V4HI, | |
2716 | RS6000_BTI_V4SI, | |
2717 | RS6000_BTI_V4SF, | |
2718 | RS6000_BTI_V8HI, | |
2719 | RS6000_BTI_unsigned_V16QI, | |
2720 | RS6000_BTI_unsigned_V1TI, | |
2721 | RS6000_BTI_unsigned_V8HI, | |
2722 | RS6000_BTI_unsigned_V4SI, | |
2723 | RS6000_BTI_unsigned_V2DI, | |
2724 | RS6000_BTI_bool_char, /* __bool char */ | |
2725 | RS6000_BTI_bool_short, /* __bool short */ | |
2726 | RS6000_BTI_bool_int, /* __bool int */ | |
2727 | RS6000_BTI_bool_long, /* __bool long */ | |
2728 | RS6000_BTI_pixel, /* __pixel */ | |
2729 | RS6000_BTI_bool_V16QI, /* __vector __bool char */ | |
2730 | RS6000_BTI_bool_V8HI, /* __vector __bool short */ | |
2731 | RS6000_BTI_bool_V4SI, /* __vector __bool int */ | |
2732 | RS6000_BTI_bool_V2DI, /* __vector __bool long */ | |
2733 | RS6000_BTI_pixel_V8HI, /* __vector __pixel */ | |
2734 | RS6000_BTI_long, /* long_integer_type_node */ | |
2735 | RS6000_BTI_unsigned_long, /* long_unsigned_type_node */ | |
2736 | RS6000_BTI_long_long, /* long_long_integer_type_node */ | |
2737 | RS6000_BTI_unsigned_long_long, /* long_long_unsigned_type_node */ | |
2738 | RS6000_BTI_INTQI, /* intQI_type_node */ | |
2739 | RS6000_BTI_UINTQI, /* unsigned_intQI_type_node */ | |
2740 | RS6000_BTI_INTHI, /* intHI_type_node */ | |
2741 | RS6000_BTI_UINTHI, /* unsigned_intHI_type_node */ | |
2742 | RS6000_BTI_INTSI, /* intSI_type_node */ | |
2743 | RS6000_BTI_UINTSI, /* unsigned_intSI_type_node */ | |
2744 | RS6000_BTI_INTDI, /* intDI_type_node */ | |
2745 | RS6000_BTI_UINTDI, /* unsigned_intDI_type_node */ | |
2746 | RS6000_BTI_INTTI, /* intTI_type_node */ | |
2747 | RS6000_BTI_UINTTI, /* unsigned_intTI_type_node */ | |
2748 | RS6000_BTI_float, /* float_type_node */ | |
2749 | RS6000_BTI_double, /* double_type_node */ | |
2750 | RS6000_BTI_long_double, /* long_double_type_node */ | |
2751 | RS6000_BTI_dfloat64, /* dfloat64_type_node */ | |
2752 | RS6000_BTI_dfloat128, /* dfloat128_type_node */ | |
2753 | RS6000_BTI_void, /* void_type_node */ | |
2754 | RS6000_BTI_ieee128_float, /* ieee 128-bit floating point */ | |
2755 | RS6000_BTI_ibm128_float, /* IBM 128-bit floating point */ | |
2756 | RS6000_BTI_const_str, /* pointer to const char * */ | |
2757 | RS6000_BTI_MAX | |
2758 | }; | |
2759 | ||
2760 | ||
2761 | #define opaque_V2SI_type_node (rs6000_builtin_types[RS6000_BTI_opaque_V2SI]) | |
2762 | #define opaque_V2SF_type_node (rs6000_builtin_types[RS6000_BTI_opaque_V2SF]) | |
2763 | #define opaque_p_V2SI_type_node (rs6000_builtin_types[RS6000_BTI_opaque_p_V2SI]) | |
2764 | #define opaque_V4SI_type_node (rs6000_builtin_types[RS6000_BTI_opaque_V4SI]) | |
2765 | #define V16QI_type_node (rs6000_builtin_types[RS6000_BTI_V16QI]) | |
2766 | #define V1TI_type_node (rs6000_builtin_types[RS6000_BTI_V1TI]) | |
2767 | #define V2DI_type_node (rs6000_builtin_types[RS6000_BTI_V2DI]) | |
2768 | #define V2DF_type_node (rs6000_builtin_types[RS6000_BTI_V2DF]) | |
2769 | #define V2SI_type_node (rs6000_builtin_types[RS6000_BTI_V2SI]) | |
2770 | #define V2SF_type_node (rs6000_builtin_types[RS6000_BTI_V2SF]) | |
2771 | #define V4HI_type_node (rs6000_builtin_types[RS6000_BTI_V4HI]) | |
2772 | #define V4SI_type_node (rs6000_builtin_types[RS6000_BTI_V4SI]) | |
2773 | #define V4SF_type_node (rs6000_builtin_types[RS6000_BTI_V4SF]) | |
2774 | #define V8HI_type_node (rs6000_builtin_types[RS6000_BTI_V8HI]) | |
2775 | #define unsigned_V16QI_type_node (rs6000_builtin_types[RS6000_BTI_unsigned_V16QI]) | |
2776 | #define unsigned_V1TI_type_node (rs6000_builtin_types[RS6000_BTI_unsigned_V1TI]) | |
2777 | #define unsigned_V8HI_type_node (rs6000_builtin_types[RS6000_BTI_unsigned_V8HI]) | |
2778 | #define unsigned_V4SI_type_node (rs6000_builtin_types[RS6000_BTI_unsigned_V4SI]) | |
2779 | #define unsigned_V2DI_type_node (rs6000_builtin_types[RS6000_BTI_unsigned_V2DI]) | |
2780 | #define bool_char_type_node (rs6000_builtin_types[RS6000_BTI_bool_char]) | |
2781 | #define bool_short_type_node (rs6000_builtin_types[RS6000_BTI_bool_short]) | |
2782 | #define bool_int_type_node (rs6000_builtin_types[RS6000_BTI_bool_int]) | |
2783 | #define bool_long_type_node (rs6000_builtin_types[RS6000_BTI_bool_long]) | |
2784 | #define pixel_type_node (rs6000_builtin_types[RS6000_BTI_pixel]) | |
2785 | #define bool_V16QI_type_node (rs6000_builtin_types[RS6000_BTI_bool_V16QI]) | |
2786 | #define bool_V8HI_type_node (rs6000_builtin_types[RS6000_BTI_bool_V8HI]) | |
2787 | #define bool_V4SI_type_node (rs6000_builtin_types[RS6000_BTI_bool_V4SI]) | |
2788 | #define bool_V2DI_type_node (rs6000_builtin_types[RS6000_BTI_bool_V2DI]) | |
2789 | #define pixel_V8HI_type_node (rs6000_builtin_types[RS6000_BTI_pixel_V8HI]) | |
2790 | ||
2791 | #define long_long_integer_type_internal_node (rs6000_builtin_types[RS6000_BTI_long_long]) | |
2792 | #define long_long_unsigned_type_internal_node (rs6000_builtin_types[RS6000_BTI_unsigned_long_long]) | |
2793 | #define long_integer_type_internal_node (rs6000_builtin_types[RS6000_BTI_long]) | |
2794 | #define long_unsigned_type_internal_node (rs6000_builtin_types[RS6000_BTI_unsigned_long]) | |
2795 | #define intQI_type_internal_node (rs6000_builtin_types[RS6000_BTI_INTQI]) | |
2796 | #define uintQI_type_internal_node (rs6000_builtin_types[RS6000_BTI_UINTQI]) | |
2797 | #define intHI_type_internal_node (rs6000_builtin_types[RS6000_BTI_INTHI]) | |
2798 | #define uintHI_type_internal_node (rs6000_builtin_types[RS6000_BTI_UINTHI]) | |
2799 | #define intSI_type_internal_node (rs6000_builtin_types[RS6000_BTI_INTSI]) | |
2800 | #define uintSI_type_internal_node (rs6000_builtin_types[RS6000_BTI_UINTSI]) | |
2801 | #define intDI_type_internal_node (rs6000_builtin_types[RS6000_BTI_INTDI]) | |
2802 | #define uintDI_type_internal_node (rs6000_builtin_types[RS6000_BTI_UINTDI]) | |
2803 | #define intTI_type_internal_node (rs6000_builtin_types[RS6000_BTI_INTTI]) | |
2804 | #define uintTI_type_internal_node (rs6000_builtin_types[RS6000_BTI_UINTTI]) | |
2805 | #define float_type_internal_node (rs6000_builtin_types[RS6000_BTI_float]) | |
2806 | #define double_type_internal_node (rs6000_builtin_types[RS6000_BTI_double]) | |
2807 | #define long_double_type_internal_node (rs6000_builtin_types[RS6000_BTI_long_double]) | |
2808 | #define dfloat64_type_internal_node (rs6000_builtin_types[RS6000_BTI_dfloat64]) | |
2809 | #define dfloat128_type_internal_node (rs6000_builtin_types[RS6000_BTI_dfloat128]) | |
2810 | #define void_type_internal_node (rs6000_builtin_types[RS6000_BTI_void]) | |
2811 | #define ieee128_float_type_node (rs6000_builtin_types[RS6000_BTI_ieee128_float]) | |
2812 | #define ibm128_float_type_node (rs6000_builtin_types[RS6000_BTI_ibm128_float]) | |
2813 | #define const_str_type_node (rs6000_builtin_types[RS6000_BTI_const_str]) | |
2814 | ||
2815 | extern GTY(()) tree rs6000_builtin_types[RS6000_BTI_MAX]; | |
2816 | extern GTY(()) tree rs6000_builtin_decls[RS6000_BUILTIN_COUNT]; | |
2817 | ||
2818 | #define TARGET_SUPPORTS_WIDE_INT 1 | |
2819 | ||
2820 | #if (GCC_VERSION >= 3000) | |
2821 | #pragma GCC poison TARGET_FLOAT128 OPTION_MASK_FLOAT128 MASK_FLOAT128 | |
2822 | #endif |