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f045b2c9 | 1 | /* Definitions of target machine for GNU compiler, for IBM RS/6000. |
85ec4feb | 2 | Copyright (C) 1992-2018 Free Software Foundation, Inc. |
6a7ec0a7 | 3 | Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) |
f045b2c9 | 4 | |
5de601cf | 5 | This file is part of GCC. |
f045b2c9 | 6 | |
5de601cf NC |
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 | |
2f83c7d6 | 9 | by the Free Software Foundation; either version 3, or (at your |
5de601cf | 10 | option) any later version. |
f045b2c9 | 11 | |
5de601cf NC |
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. | |
f045b2c9 | 16 | |
748086b7 JJ |
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 | |
2f83c7d6 | 24 | <http://www.gnu.org/licenses/>. */ |
f045b2c9 RS |
25 | |
26 | /* Note that some other tm.h files include this one and then override | |
9ebbca7d | 27 | many of the definitions. */ |
f045b2c9 | 28 | |
fd438373 MM |
29 | #ifndef RS6000_OPTS_H |
30 | #include "config/rs6000/rs6000-opts.h" | |
31 | #endif | |
32 | ||
6a8886e4 MM |
33 | /* 128-bit floating point precision values. */ |
34 | #ifndef RS6000_MODES_H | |
35 | #include "config/rs6000/rs6000-modes.h" | |
36 | #endif | |
37 | ||
9ebbca7d GK |
38 | /* Definitions for the object file format. These are set at |
39 | compile-time. */ | |
f045b2c9 | 40 | |
9ebbca7d GK |
41 | #define OBJECT_XCOFF 1 |
42 | #define OBJECT_ELF 2 | |
43 | #define OBJECT_PEF 3 | |
ee890fe2 | 44 | #define OBJECT_MACHO 4 |
f045b2c9 | 45 | |
9ebbca7d | 46 | #define TARGET_ELF (TARGET_OBJECT_FORMAT == OBJECT_ELF) |
2bfcf297 | 47 | #define TARGET_XCOFF (TARGET_OBJECT_FORMAT == OBJECT_XCOFF) |
9ebbca7d | 48 | #define TARGET_MACOS (TARGET_OBJECT_FORMAT == OBJECT_PEF) |
ee890fe2 | 49 | #define TARGET_MACHO (TARGET_OBJECT_FORMAT == OBJECT_MACHO) |
f045b2c9 | 50 | |
2bfcf297 DB |
51 | #ifndef TARGET_AIX |
52 | #define TARGET_AIX 0 | |
53 | #endif | |
54 | ||
78009d9f MM |
55 | #ifndef TARGET_AIX_OS |
56 | #define TARGET_AIX_OS 0 | |
57 | #endif | |
58 | ||
85b776df AM |
59 | /* Control whether function entry points use a "dot" symbol when |
60 | ABI_AIX. */ | |
61 | #define DOT_SYMBOLS 1 | |
62 | ||
8e3f41e7 MM |
63 | /* Default string to use for cpu if not specified. */ |
64 | #ifndef TARGET_CPU_DEFAULT | |
65 | #define TARGET_CPU_DEFAULT ((char *)0) | |
66 | #endif | |
67 | ||
f565b0a1 | 68 | /* If configured for PPC405, support PPC405CR Erratum77. */ |
b0bfee6e | 69 | #ifdef CONFIG_PPC405CR |
f565b0a1 DE |
70 | #define PPC405_ERRATUM77 (rs6000_cpu == PROCESSOR_PPC405) |
71 | #else | |
72 | #define PPC405_ERRATUM77 0 | |
73 | #endif | |
74 | ||
cd679487 | 75 | #define ASM_CPU_POWER5_SPEC "-mpower5" |
cd679487 | 76 | #define ASM_CPU_POWER6_SPEC "-mpower6 -maltivec" |
d40c9e33 | 77 | #define ASM_CPU_POWER7_SPEC "-mpower7" |
428bffcb | 78 | #define ASM_CPU_POWER8_SPEC "-mpower8" |
d1f0d376 | 79 | #define ASM_CPU_POWER9_SPEC "-mpower9" |
d1f0d376 | 80 | |
47f67e51 PB |
81 | #ifdef HAVE_AS_DCI |
82 | #define ASM_CPU_476_SPEC "-m476" | |
83 | #else | |
84 | #define ASM_CPU_476_SPEC "-mpower4" | |
85 | #endif | |
86 | ||
cacf1ca8 MM |
87 | /* Common ASM definitions used by ASM_SPEC among the various targets for |
88 | handling -mcpu=xxx switches. There is a parallel list in driver-rs6000.c to | |
89 | provide the default assembler options if the user uses -mcpu=native, so if | |
1b58c736 PB |
90 | you make changes here, make them also there. PR63177: Do not pass -mpower8 |
91 | to the assembler if -mpower9-vector was also used. */ | |
f984d8df DB |
92 | #define ASM_CPU_SPEC \ |
93 | "%{!mcpu*: \ | |
93ae5495 | 94 | %{mpowerpc64*: -mppc64} \ |
a441dedb | 95 | %{!mpowerpc64*: %(asm_default)}} \ |
cacf1ca8 | 96 | %{mcpu=native: %(asm_cpu_native)} \ |
d296e02e | 97 | %{mcpu=cell: -mcell} \ |
93ae5495 | 98 | %{mcpu=power3: -mppc64} \ |
957e9e48 | 99 | %{mcpu=power4: -mpower4} \ |
cd679487 BE |
100 | %{mcpu=power5: %(asm_cpu_power5)} \ |
101 | %{mcpu=power5+: %(asm_cpu_power5)} \ | |
102 | %{mcpu=power6: %(asm_cpu_power6) -maltivec} \ | |
103 | %{mcpu=power6x: %(asm_cpu_power6) -maltivec} \ | |
d40c9e33 | 104 | %{mcpu=power7: %(asm_cpu_power7)} \ |
1b58c736 | 105 | %{mcpu=power8: %{!mpower9-vector: %(asm_cpu_power8)}} \ |
d1f0d376 | 106 | %{mcpu=power9: %(asm_cpu_power9)} \ |
ebde32fd | 107 | %{mcpu=a2: -ma2} \ |
f984d8df | 108 | %{mcpu=powerpc: -mppc} \ |
fa17b3db | 109 | %{mcpu=powerpc64le: %(asm_cpu_power8)} \ |
93ae5495 | 110 | %{mcpu=rs64a: -mppc64} \ |
f984d8df | 111 | %{mcpu=401: -mppc} \ |
61a8515c JS |
112 | %{mcpu=403: -m403} \ |
113 | %{mcpu=405: -m405} \ | |
2c9d95ef DE |
114 | %{mcpu=405fp: -m405} \ |
115 | %{mcpu=440: -m440} \ | |
116 | %{mcpu=440fp: -m440} \ | |
4adf8008 PB |
117 | %{mcpu=464: -m440} \ |
118 | %{mcpu=464fp: -m440} \ | |
47f67e51 PB |
119 | %{mcpu=476: %(asm_cpu_476)} \ |
120 | %{mcpu=476fp: %(asm_cpu_476)} \ | |
f984d8df DB |
121 | %{mcpu=505: -mppc} \ |
122 | %{mcpu=601: -m601} \ | |
123 | %{mcpu=602: -mppc} \ | |
124 | %{mcpu=603: -mppc} \ | |
125 | %{mcpu=603e: -mppc} \ | |
126 | %{mcpu=ec603e: -mppc} \ | |
127 | %{mcpu=604: -mppc} \ | |
128 | %{mcpu=604e: -mppc} \ | |
93ae5495 AM |
129 | %{mcpu=620: -mppc64} \ |
130 | %{mcpu=630: -mppc64} \ | |
f984d8df DB |
131 | %{mcpu=740: -mppc} \ |
132 | %{mcpu=750: -mppc} \ | |
49ffe578 | 133 | %{mcpu=G3: -mppc} \ |
93ae5495 AM |
134 | %{mcpu=7400: -mppc -maltivec} \ |
135 | %{mcpu=7450: -mppc -maltivec} \ | |
136 | %{mcpu=G4: -mppc -maltivec} \ | |
f984d8df DB |
137 | %{mcpu=801: -mppc} \ |
138 | %{mcpu=821: -mppc} \ | |
139 | %{mcpu=823: -mppc} \ | |
775db490 | 140 | %{mcpu=860: -mppc} \ |
93ae5495 AM |
141 | %{mcpu=970: -mpower4 -maltivec} \ |
142 | %{mcpu=G5: -mpower4 -maltivec} \ | |
a3170dc6 | 143 | %{mcpu=8540: -me500} \ |
5ca0373f | 144 | %{mcpu=8548: -me500} \ |
fa41c305 EW |
145 | %{mcpu=e300c2: -me300} \ |
146 | %{mcpu=e300c3: -me300} \ | |
edae5fe3 | 147 | %{mcpu=e500mc: -me500mc} \ |
b17f98b1 | 148 | %{mcpu=e500mc64: -me500mc64} \ |
683ed19e EW |
149 | %{mcpu=e5500: -me5500} \ |
150 | %{mcpu=e6500: -me6500} \ | |
93ae5495 | 151 | %{maltivec: -maltivec} \ |
2c9ccc21 | 152 | %{mvsx: -mvsx %{!maltivec: -maltivec} %{!mcpu*: %(asm_cpu_power7)}} \ |
0258b6e4 | 153 | %{mpower8-vector|mcrypto|mdirect-move|mhtm: %{!mcpu*: %(asm_cpu_power8)}} \ |
1b58c736 | 154 | %{mpower9-vector: %{!mcpu*|mcpu=power8: %(asm_cpu_power9)}} \ |
93ae5495 | 155 | -many" |
f984d8df DB |
156 | |
157 | #define CPP_DEFAULT_SPEC "" | |
158 | ||
159 | #define ASM_DEFAULT_SPEC "" | |
160 | ||
841faeed MM |
161 | /* This macro defines names of additional specifications to put in the specs |
162 | that can be used in various specifications like CC1_SPEC. Its definition | |
163 | is an initializer with a subgrouping for each command option. | |
164 | ||
165 | Each subgrouping contains a string constant, that defines the | |
5de601cf | 166 | specification name, and a string constant that used by the GCC driver |
841faeed MM |
167 | program. |
168 | ||
169 | Do not define this macro if it does not need to do anything. */ | |
170 | ||
7509c759 | 171 | #define SUBTARGET_EXTRA_SPECS |
7509c759 | 172 | |
c81bebd7 | 173 | #define EXTRA_SPECS \ |
c81bebd7 | 174 | { "cpp_default", CPP_DEFAULT_SPEC }, \ |
c81bebd7 | 175 | { "asm_cpu", ASM_CPU_SPEC }, \ |
cacf1ca8 | 176 | { "asm_cpu_native", ASM_CPU_NATIVE_SPEC }, \ |
c81bebd7 | 177 | { "asm_default", ASM_DEFAULT_SPEC }, \ |
0eab6840 | 178 | { "cc1_cpu", CC1_CPU_SPEC }, \ |
cd679487 BE |
179 | { "asm_cpu_power5", ASM_CPU_POWER5_SPEC }, \ |
180 | { "asm_cpu_power6", ASM_CPU_POWER6_SPEC }, \ | |
d40c9e33 | 181 | { "asm_cpu_power7", ASM_CPU_POWER7_SPEC }, \ |
428bffcb | 182 | { "asm_cpu_power8", ASM_CPU_POWER8_SPEC }, \ |
d1f0d376 | 183 | { "asm_cpu_power9", ASM_CPU_POWER9_SPEC }, \ |
47f67e51 | 184 | { "asm_cpu_476", ASM_CPU_476_SPEC }, \ |
7509c759 MM |
185 | SUBTARGET_EXTRA_SPECS |
186 | ||
0eab6840 DE |
187 | /* -mcpu=native handling only makes sense with compiler running on |
188 | an PowerPC chip. If changing this condition, also change | |
189 | the condition in driver-rs6000.c. */ | |
190 | #if defined(__powerpc__) || defined(__POWERPC__) || defined(_AIX) | |
191 | /* In driver-rs6000.c. */ | |
192 | extern const char *host_detect_local_cpu (int argc, const char **argv); | |
193 | #define EXTRA_SPEC_FUNCTIONS \ | |
194 | { "local_cpu_detect", host_detect_local_cpu }, | |
195 | #define HAVE_LOCAL_CPU_DETECT | |
cacf1ca8 MM |
196 | #define ASM_CPU_NATIVE_SPEC "%:local_cpu_detect(asm)" |
197 | ||
198 | #else | |
199 | #define ASM_CPU_NATIVE_SPEC "%(asm_default)" | |
0eab6840 DE |
200 | #endif |
201 | ||
ee7caeb3 DE |
202 | #ifndef CC1_CPU_SPEC |
203 | #ifdef HAVE_LOCAL_CPU_DETECT | |
0eab6840 DE |
204 | #define CC1_CPU_SPEC \ |
205 | "%{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)} \ | |
206 | %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" | |
ee7caeb3 DE |
207 | #else |
208 | #define CC1_CPU_SPEC "" | |
209 | #endif | |
0eab6840 DE |
210 | #endif |
211 | ||
fb623df5 | 212 | /* Architecture type. */ |
f045b2c9 | 213 | |
bb22512c | 214 | /* Define TARGET_MFCRF if the target assembler does not support the |
78f5898b | 215 | optional field operand for mfcr. */ |
fb623df5 | 216 | |
78f5898b | 217 | #ifndef HAVE_AS_MFCRF |
432218ba | 218 | #undef TARGET_MFCRF |
ffa22984 DE |
219 | #define TARGET_MFCRF 0 |
220 | #endif | |
221 | ||
9752c4ad AM |
222 | /* Define TARGET_TLS_MARKERS if the target assembler does not support |
223 | arg markers for __tls_get_addr calls. */ | |
224 | #ifndef HAVE_AS_TLS_MARKERS | |
225 | #undef TARGET_TLS_MARKERS | |
226 | #define TARGET_TLS_MARKERS 0 | |
227 | #else | |
228 | #define TARGET_TLS_MARKERS tls_markers | |
229 | #endif | |
230 | ||
7f970b70 AM |
231 | #ifndef TARGET_SECURE_PLT |
232 | #define TARGET_SECURE_PLT 0 | |
233 | #endif | |
234 | ||
070b27da AM |
235 | #ifndef TARGET_CMODEL |
236 | #define TARGET_CMODEL CMODEL_SMALL | |
237 | #endif | |
238 | ||
2f3e5814 | 239 | #define TARGET_32BIT (! TARGET_64BIT) |
d14a6d05 | 240 | |
c4501e62 JJ |
241 | #ifndef HAVE_AS_TLS |
242 | #define HAVE_AS_TLS 0 | |
243 | #endif | |
244 | ||
be26142a PB |
245 | #ifndef TARGET_LINK_STACK |
246 | #define TARGET_LINK_STACK 0 | |
247 | #endif | |
248 | ||
249 | #ifndef SET_TARGET_LINK_STACK | |
250 | #define SET_TARGET_LINK_STACK(X) do { } while (0) | |
251 | #endif | |
252 | ||
08213983 MM |
253 | #ifndef TARGET_FLOAT128_ENABLE_TYPE |
254 | #define TARGET_FLOAT128_ENABLE_TYPE 0 | |
255 | #endif | |
256 | ||
48d72335 DE |
257 | /* Return 1 for a symbol ref for a thread-local storage symbol. */ |
258 | #define RS6000_SYMBOL_REF_TLS_P(RTX) \ | |
259 | (GET_CODE (RTX) == SYMBOL_REF && SYMBOL_REF_TLS_MODEL (RTX) != 0) | |
260 | ||
996ed075 JJ |
261 | #ifdef IN_LIBGCC2 |
262 | /* For libgcc2 we make sure this is a compile time constant */ | |
67796c1f | 263 | #if defined (__64BIT__) || defined (__powerpc64__) || defined (__ppc64__) |
78f5898b | 264 | #undef TARGET_POWERPC64 |
996ed075 JJ |
265 | #define TARGET_POWERPC64 1 |
266 | #else | |
78f5898b | 267 | #undef TARGET_POWERPC64 |
996ed075 JJ |
268 | #define TARGET_POWERPC64 0 |
269 | #endif | |
b6c9286a | 270 | #else |
78f5898b | 271 | /* The option machinery will define this. */ |
b6c9286a MM |
272 | #endif |
273 | ||
20c89ab7 | 274 | #define TARGET_DEFAULT (MASK_MULTIPLE) |
9ebbca7d | 275 | |
8482e358 | 276 | /* Define generic processor types based upon current deployment. */ |
3cb999d8 | 277 | #define PROCESSOR_COMMON PROCESSOR_PPC601 |
3cb999d8 DE |
278 | #define PROCESSOR_POWERPC PROCESSOR_PPC604 |
279 | #define PROCESSOR_POWERPC64 PROCESSOR_RS64A | |
6e151478 | 280 | |
fb623df5 | 281 | /* Define the default processor. This is overridden by other tm.h files. */ |
f3061fa4 | 282 | #define PROCESSOR_DEFAULT PROCESSOR_PPC603 |
3cb999d8 | 283 | #define PROCESSOR_DEFAULT64 PROCESSOR_RS64A |
fb623df5 | 284 | |
59ac9a55 JJ |
285 | /* Specify the dialect of assembler to use. Only new mnemonics are supported |
286 | starting with GCC 4.8, i.e. just one dialect, but for backwards | |
287 | compatibility with older inline asm ASSEMBLER_DIALECT needs to be | |
288 | defined. */ | |
289 | #define ASSEMBLER_DIALECT 1 | |
290 | ||
38c1f2d7 | 291 | /* Debug support */ |
fd438373 MM |
292 | #define MASK_DEBUG_STACK 0x01 /* debug stack applications */ |
293 | #define MASK_DEBUG_ARG 0x02 /* debug argument handling */ | |
294 | #define MASK_DEBUG_REG 0x04 /* debug register handling */ | |
295 | #define MASK_DEBUG_ADDR 0x08 /* debug memory addressing */ | |
296 | #define MASK_DEBUG_COST 0x10 /* debug rtx codes */ | |
297 | #define MASK_DEBUG_TARGET 0x20 /* debug target attribute/pragma */ | |
7fa14a01 | 298 | #define MASK_DEBUG_BUILTIN 0x40 /* debug builtins */ |
fd438373 MM |
299 | #define MASK_DEBUG_ALL (MASK_DEBUG_STACK \ |
300 | | MASK_DEBUG_ARG \ | |
301 | | MASK_DEBUG_REG \ | |
302 | | MASK_DEBUG_ADDR \ | |
303 | | MASK_DEBUG_COST \ | |
7fa14a01 MM |
304 | | MASK_DEBUG_TARGET \ |
305 | | MASK_DEBUG_BUILTIN) | |
fd438373 MM |
306 | |
307 | #define TARGET_DEBUG_STACK (rs6000_debug & MASK_DEBUG_STACK) | |
308 | #define TARGET_DEBUG_ARG (rs6000_debug & MASK_DEBUG_ARG) | |
309 | #define TARGET_DEBUG_REG (rs6000_debug & MASK_DEBUG_REG) | |
310 | #define TARGET_DEBUG_ADDR (rs6000_debug & MASK_DEBUG_ADDR) | |
311 | #define TARGET_DEBUG_COST (rs6000_debug & MASK_DEBUG_COST) | |
312 | #define TARGET_DEBUG_TARGET (rs6000_debug & MASK_DEBUG_TARGET) | |
7fa14a01 | 313 | #define TARGET_DEBUG_BUILTIN (rs6000_debug & MASK_DEBUG_BUILTIN) |
cacf1ca8 | 314 | |
2c83faf8 MM |
315 | /* Helper macros for TFmode. Quad floating point (TFmode) can be either IBM |
316 | long double format that uses a pair of doubles, or IEEE 128-bit floating | |
317 | point. KFmode was added as a way to represent IEEE 128-bit floating point, | |
318 | even if the default for long double is the IBM long double format. | |
319 | Similarly IFmode is the IBM long double format even if the default is IEEE | |
0bc36dec | 320 | 128-bit. Don't allow IFmode if -msoft-float. */ |
2c83faf8 | 321 | #define FLOAT128_IEEE_P(MODE) \ |
83cbbe3a MM |
322 | ((TARGET_IEEEQUAD && TARGET_LONG_DOUBLE_128 \ |
323 | && ((MODE) == TFmode || (MODE) == TCmode)) \ | |
4304ccfd | 324 | || ((MODE) == KFmode) || ((MODE) == KCmode)) |
2c83faf8 MM |
325 | |
326 | #define FLOAT128_IBM_P(MODE) \ | |
83cbbe3a MM |
327 | ((!TARGET_IEEEQUAD && TARGET_LONG_DOUBLE_128 \ |
328 | && ((MODE) == TFmode || (MODE) == TCmode)) \ | |
11d8d07e | 329 | || (TARGET_HARD_FLOAT && ((MODE) == IFmode || (MODE) == ICmode))) |
2c83faf8 MM |
330 | |
331 | /* Helper macros to say whether a 128-bit floating point type can go in a | |
332 | single vector register, or whether it needs paired scalar values. */ | |
08213983 | 333 | #define FLOAT128_VECTOR_P(MODE) (TARGET_FLOAT128_TYPE && FLOAT128_IEEE_P (MODE)) |
2c83faf8 MM |
334 | |
335 | #define FLOAT128_2REG_P(MODE) \ | |
336 | (FLOAT128_IBM_P (MODE) \ | |
337 | || ((MODE) == TDmode) \ | |
08213983 | 338 | || (!TARGET_FLOAT128_TYPE && FLOAT128_IEEE_P (MODE))) |
2c83faf8 MM |
339 | |
340 | /* Return true for floating point that does not use a vector register. */ | |
341 | #define SCALAR_FLOAT_MODE_NOT_VECTOR_P(MODE) \ | |
342 | (SCALAR_FLOAT_MODE_P (MODE) && !FLOAT128_VECTOR_P (MODE)) | |
343 | ||
f62511da | 344 | /* Describe the vector unit used for arithmetic operations. */ |
cacf1ca8 MM |
345 | extern enum rs6000_vector rs6000_vector_unit[]; |
346 | ||
347 | #define VECTOR_UNIT_NONE_P(MODE) \ | |
348 | (rs6000_vector_unit[(MODE)] == VECTOR_NONE) | |
349 | ||
350 | #define VECTOR_UNIT_VSX_P(MODE) \ | |
351 | (rs6000_vector_unit[(MODE)] == VECTOR_VSX) | |
352 | ||
f62511da MM |
353 | #define VECTOR_UNIT_P8_VECTOR_P(MODE) \ |
354 | (rs6000_vector_unit[(MODE)] == VECTOR_P8_VECTOR) | |
355 | ||
cacf1ca8 MM |
356 | #define VECTOR_UNIT_ALTIVEC_P(MODE) \ |
357 | (rs6000_vector_unit[(MODE)] == VECTOR_ALTIVEC) | |
358 | ||
f62511da MM |
359 | #define VECTOR_UNIT_VSX_OR_P8_VECTOR_P(MODE) \ |
360 | (IN_RANGE ((int)rs6000_vector_unit[(MODE)], \ | |
361 | (int)VECTOR_VSX, \ | |
362 | (int)VECTOR_P8_VECTOR)) | |
363 | ||
364 | /* VECTOR_UNIT_ALTIVEC_OR_VSX_P is used in places where we are using either | |
365 | altivec (VMX) or VSX vector instructions. P8 vector support is upwards | |
366 | compatible, so allow it as well, rather than changing all of the uses of the | |
367 | macro. */ | |
cacf1ca8 | 368 | #define VECTOR_UNIT_ALTIVEC_OR_VSX_P(MODE) \ |
f62511da MM |
369 | (IN_RANGE ((int)rs6000_vector_unit[(MODE)], \ |
370 | (int)VECTOR_ALTIVEC, \ | |
371 | (int)VECTOR_P8_VECTOR)) | |
cacf1ca8 MM |
372 | |
373 | /* Describe whether to use VSX loads or Altivec loads. For now, just use the | |
374 | same unit as the vector unit we are using, but we may want to migrate to | |
375 | using VSX style loads even for types handled by altivec. */ | |
376 | extern enum rs6000_vector rs6000_vector_mem[]; | |
377 | ||
378 | #define VECTOR_MEM_NONE_P(MODE) \ | |
379 | (rs6000_vector_mem[(MODE)] == VECTOR_NONE) | |
380 | ||
381 | #define VECTOR_MEM_VSX_P(MODE) \ | |
382 | (rs6000_vector_mem[(MODE)] == VECTOR_VSX) | |
383 | ||
f62511da MM |
384 | #define VECTOR_MEM_P8_VECTOR_P(MODE) \ |
385 | (rs6000_vector_mem[(MODE)] == VECTOR_VSX) | |
386 | ||
cacf1ca8 MM |
387 | #define VECTOR_MEM_ALTIVEC_P(MODE) \ |
388 | (rs6000_vector_mem[(MODE)] == VECTOR_ALTIVEC) | |
389 | ||
f62511da MM |
390 | #define VECTOR_MEM_VSX_OR_P8_VECTOR_P(MODE) \ |
391 | (IN_RANGE ((int)rs6000_vector_mem[(MODE)], \ | |
392 | (int)VECTOR_VSX, \ | |
393 | (int)VECTOR_P8_VECTOR)) | |
394 | ||
cacf1ca8 | 395 | #define VECTOR_MEM_ALTIVEC_OR_VSX_P(MODE) \ |
f62511da MM |
396 | (IN_RANGE ((int)rs6000_vector_mem[(MODE)], \ |
397 | (int)VECTOR_ALTIVEC, \ | |
398 | (int)VECTOR_P8_VECTOR)) | |
cacf1ca8 MM |
399 | |
400 | /* Return the alignment of a given vector type, which is set based on the | |
401 | vector unit use. VSX for instance can load 32 or 64 bit aligned words | |
402 | without problems, while Altivec requires 128-bit aligned vectors. */ | |
403 | extern int rs6000_vector_align[]; | |
404 | ||
405 | #define VECTOR_ALIGN(MODE) \ | |
406 | ((rs6000_vector_align[(MODE)] != 0) \ | |
407 | ? rs6000_vector_align[(MODE)] \ | |
408 | : (int)GET_MODE_BITSIZE ((MODE))) | |
409 | ||
117f16fb MM |
410 | /* Element number of the 64-bit value in a 128-bit vector that can be accessed |
411 | with scalar instructions. */ | |
412 | #define VECTOR_ELEMENT_SCALAR_64BIT ((BYTES_BIG_ENDIAN) ? 0 : 1) | |
413 | ||
dd551aa1 MM |
414 | /* Element number of the 64-bit value in a 128-bit vector that can be accessed |
415 | with the ISA 3.0 MFVSRLD instructions. */ | |
416 | #define VECTOR_ELEMENT_MFVSRLD_64BIT ((BYTES_BIG_ENDIAN) ? 1 : 0) | |
417 | ||
025d9908 KH |
418 | /* Alignment options for fields in structures for sub-targets following |
419 | AIX-like ABI. | |
420 | ALIGN_POWER word-aligns FP doubles (default AIX ABI). | |
421 | ALIGN_NATURAL doubleword-aligns FP doubles (align to object size). | |
422 | ||
423 | Override the macro definitions when compiling libobjc to avoid undefined | |
424 | reference to rs6000_alignment_flags due to library's use of GCC alignment | |
425 | macros which use the macros below. */ | |
f676971a | 426 | |
025d9908 KH |
427 | #ifndef IN_TARGET_LIBS |
428 | #define MASK_ALIGN_POWER 0x00000000 | |
429 | #define MASK_ALIGN_NATURAL 0x00000001 | |
430 | #define TARGET_ALIGN_NATURAL (rs6000_alignment_flags & MASK_ALIGN_NATURAL) | |
431 | #else | |
432 | #define TARGET_ALIGN_NATURAL 0 | |
433 | #endif | |
6fa3f289 | 434 | |
6a8886e4 MM |
435 | /* We use values 126..128 to pick the appropriate long double type (IFmode, |
436 | KFmode, TFmode). */ | |
437 | #define TARGET_LONG_DOUBLE_128 (rs6000_long_double_type_size > 64) | |
602ea4d3 | 438 | #define TARGET_IEEEQUAD rs6000_ieeequad |
6fa3f289 | 439 | #define TARGET_ALTIVEC_ABI rs6000_altivec_abi |
cacf1ca8 | 440 | #define TARGET_LDBRX (TARGET_POPCNTD || rs6000_cpu == PROCESSOR_CELL) |
6fa3f289 | 441 | |
7042fe5e | 442 | /* ISA 2.01 allowed FCFID to be done in 32-bit, previously it was 64-bit only. |
2c2aa74d | 443 | Enable 32-bit fcfid's on any of the switches for newer ISA machines. */ |
c3f8384f MM |
444 | #define TARGET_FCFID (TARGET_POWERPC64 \ |
445 | || TARGET_PPC_GPOPT /* 970/power4 */ \ | |
446 | || TARGET_POPCNTB /* ISA 2.02 */ \ | |
447 | || TARGET_CMPB /* ISA 2.05 */ \ | |
2c2aa74d | 448 | || TARGET_POPCNTD) /* ISA 2.06 */ |
7042fe5e MM |
449 | |
450 | #define TARGET_FCTIDZ TARGET_FCFID | |
451 | #define TARGET_STFIWX TARGET_PPC_GFXOPT | |
452 | #define TARGET_LFIWAX TARGET_CMPB | |
453 | #define TARGET_LFIWZX TARGET_POPCNTD | |
454 | #define TARGET_FCFIDS TARGET_POPCNTD | |
455 | #define TARGET_FCFIDU TARGET_POPCNTD | |
456 | #define TARGET_FCFIDUS TARGET_POPCNTD | |
457 | #define TARGET_FCTIDUZ TARGET_POPCNTD | |
458 | #define TARGET_FCTIWUZ TARGET_POPCNTD | |
0299bc72 MM |
459 | #define TARGET_CTZ TARGET_MODULO |
460 | #define TARGET_EXTSWSLI (TARGET_MODULO && TARGET_POWERPC64) | |
dd551aa1 | 461 | #define TARGET_MADDLD (TARGET_MODULO && TARGET_POWERPC64) |
7042fe5e | 462 | |
f62511da MM |
463 | #define TARGET_XSCVDPSPN (TARGET_DIRECT_MOVE || TARGET_P8_VECTOR) |
464 | #define TARGET_XSCVSPDPN (TARGET_DIRECT_MOVE || TARGET_P8_VECTOR) | |
a16a872d | 465 | #define TARGET_VADDUQM (TARGET_P8_VECTOR && TARGET_POWERPC64) |
dd551aa1 MM |
466 | #define TARGET_DIRECT_MOVE_128 (TARGET_P9_VECTOR && TARGET_DIRECT_MOVE \ |
467 | && TARGET_POWERPC64) | |
c5e74d9d | 468 | #define TARGET_VEXTRACTUB (TARGET_P9_VECTOR && TARGET_DIRECT_MOVE \ |
6bd6f4f4 | 469 | && TARGET_POWERPC64) |
fba4b861 | 470 | |
fba4b861 MM |
471 | /* Whether we should avoid (SUBREG:SI (REG:SF) and (SUBREG:SF (REG:SI). */ |
472 | #define TARGET_NO_SF_SUBREG TARGET_DIRECT_MOVE_64BIT | |
473 | #define TARGET_ALLOW_SF_SUBREG (!TARGET_DIRECT_MOVE_64BIT) | |
474 | ||
87b44b83 AS |
475 | /* This wants to be set for p8 and newer. On p7, overlapping unaligned |
476 | loads are slow. */ | |
477 | #define TARGET_EFFICIENT_OVERLAPPING_UNALIGNED TARGET_EFFICIENT_UNALIGNED_VSX | |
f62511da MM |
478 | |
479 | /* Byte/char syncs were added as phased in for ISA 2.06B, but are not present | |
480 | in power7, so conditionalize them on p8 features. TImode syncs need quad | |
481 | memory support. */ | |
b846c948 MM |
482 | #define TARGET_SYNC_HI_QI (TARGET_QUAD_MEMORY \ |
483 | || TARGET_QUAD_MEMORY_ATOMIC \ | |
484 | || TARGET_DIRECT_MOVE) | |
485 | ||
486 | #define TARGET_SYNC_TI TARGET_QUAD_MEMORY_ATOMIC | |
f62511da | 487 | |
c6d5ff83 MM |
488 | /* Power7 has both 32-bit load and store integer for the FPRs, so we don't need |
489 | to allocate the SDmode stack slot to get the value into the proper location | |
490 | in the register. */ | |
491 | #define TARGET_NO_SDMODE_STACK (TARGET_LFIWZX && TARGET_STFIWX && TARGET_DFP) | |
492 | ||
21316320 MM |
493 | /* ISA 3.0 has new min/max functions that don't need fast math that are being |
494 | phased in. Min/max using FSEL or XSMAXDP/XSMINDP do not return the correct | |
495 | answers if the arguments are not in the normal range. */ | |
2c2aa74d SB |
496 | #define TARGET_MINMAX (TARGET_HARD_FLOAT && TARGET_PPC_GFXOPT \ |
497 | && (TARGET_P9_MINMAX || !flag_trapping_math)) | |
21316320 | 498 | |
4d967549 MM |
499 | /* In switching from using target_flags to using rs6000_isa_flags, the options |
500 | machinery creates OPTION_MASK_<xxx> instead of MASK_<xxx>. For now map | |
501 | OPTION_MASK_<xxx> back into MASK_<xxx>. */ | |
502 | #define MASK_ALTIVEC OPTION_MASK_ALTIVEC | |
503 | #define MASK_CMPB OPTION_MASK_CMPB | |
f62511da | 504 | #define MASK_CRYPTO OPTION_MASK_CRYPTO |
4d967549 | 505 | #define MASK_DFP OPTION_MASK_DFP |
f62511da | 506 | #define MASK_DIRECT_MOVE OPTION_MASK_DIRECT_MOVE |
4d967549 MM |
507 | #define MASK_DLMZB OPTION_MASK_DLMZB |
508 | #define MASK_EABI OPTION_MASK_EABI | |
bbd35101 | 509 | #define MASK_FLOAT128_KEYWORD OPTION_MASK_FLOAT128_KEYWORD |
12fca96e | 510 | #define MASK_FLOAT128_HW OPTION_MASK_FLOAT128_HW |
4d967549 | 511 | #define MASK_FPRND OPTION_MASK_FPRND |
f62511da | 512 | #define MASK_P8_FUSION OPTION_MASK_P8_FUSION |
4d967549 | 513 | #define MASK_HARD_FLOAT OPTION_MASK_HARD_FLOAT |
0258b6e4 | 514 | #define MASK_HTM OPTION_MASK_HTM |
4d967549 MM |
515 | #define MASK_ISEL OPTION_MASK_ISEL |
516 | #define MASK_MFCRF OPTION_MASK_MFCRF | |
517 | #define MASK_MFPGPR OPTION_MASK_MFPGPR | |
518 | #define MASK_MULHW OPTION_MASK_MULHW | |
519 | #define MASK_MULTIPLE OPTION_MASK_MULTIPLE | |
520 | #define MASK_NO_UPDATE OPTION_MASK_NO_UPDATE | |
f62511da | 521 | #define MASK_P8_VECTOR OPTION_MASK_P8_VECTOR |
8fa97501 | 522 | #define MASK_P9_VECTOR OPTION_MASK_P9_VECTOR |
5a3a6a5e | 523 | #define MASK_P9_MISC OPTION_MASK_P9_MISC |
4d967549 MM |
524 | #define MASK_POPCNTB OPTION_MASK_POPCNTB |
525 | #define MASK_POPCNTD OPTION_MASK_POPCNTD | |
526 | #define MASK_PPC_GFXOPT OPTION_MASK_PPC_GFXOPT | |
527 | #define MASK_PPC_GPOPT OPTION_MASK_PPC_GPOPT | |
528 | #define MASK_RECIP_PRECISION OPTION_MASK_RECIP_PRECISION | |
529 | #define MASK_SOFT_FLOAT OPTION_MASK_SOFT_FLOAT | |
530 | #define MASK_STRICT_ALIGN OPTION_MASK_STRICT_ALIGN | |
4d967549 MM |
531 | #define MASK_UPDATE OPTION_MASK_UPDATE |
532 | #define MASK_VSX OPTION_MASK_VSX | |
533 | ||
534 | #ifndef IN_LIBGCC2 | |
535 | #define MASK_POWERPC64 OPTION_MASK_POWERPC64 | |
536 | #endif | |
537 | ||
538 | #ifdef TARGET_64BIT | |
539 | #define MASK_64BIT OPTION_MASK_64BIT | |
540 | #endif | |
541 | ||
4d967549 MM |
542 | #ifdef TARGET_LITTLE_ENDIAN |
543 | #define MASK_LITTLE_ENDIAN OPTION_MASK_LITTLE_ENDIAN | |
544 | #endif | |
545 | ||
4d967549 MM |
546 | #ifdef TARGET_REGNAMES |
547 | #define MASK_REGNAMES OPTION_MASK_REGNAMES | |
548 | #endif | |
549 | ||
550 | #ifdef TARGET_PROTOTYPE | |
551 | #define MASK_PROTOTYPE OPTION_MASK_PROTOTYPE | |
552 | #endif | |
553 | ||
4f45da44 KN |
554 | #ifdef TARGET_MODULO |
555 | #define RS6000_BTM_MODULO OPTION_MASK_MODULO | |
556 | #endif | |
557 | ||
558 | ||
7fa14a01 MM |
559 | /* For power systems, we want to enable Altivec and VSX builtins even if the |
560 | user did not use -maltivec or -mvsx to allow the builtins to be used inside | |
561 | of #pragma GCC target or the target attribute to change the code level for a | |
55928937 SB |
562 | given system. */ |
563 | ||
564 | #define TARGET_EXTRA_BUILTINS (TARGET_POWERPC64 \ | |
565 | || TARGET_PPC_GPOPT /* 970/power4 */ \ | |
566 | || TARGET_POPCNTB /* ISA 2.02 */ \ | |
567 | || TARGET_CMPB /* ISA 2.05 */ \ | |
568 | || TARGET_POPCNTD /* ISA 2.06 */ \ | |
569 | || TARGET_ALTIVEC \ | |
570 | || TARGET_VSX \ | |
571 | || TARGET_HARD_FLOAT) | |
7fa14a01 | 572 | |
a7c6c6d6 OH |
573 | /* E500 cores only support plain "sync", not lwsync. */ |
574 | #define TARGET_NO_LWSYNC (rs6000_cpu == PROCESSOR_PPC8540 \ | |
575 | || rs6000_cpu == PROCESSOR_PPC8548) | |
7fa14a01 MM |
576 | |
577 | ||
92902797 | 578 | /* Which machine supports the various reciprocal estimate instructions. */ |
2c2aa74d | 579 | #define TARGET_FRES (TARGET_HARD_FLOAT && TARGET_PPC_GFXOPT) |
92902797 | 580 | |
2c2aa74d | 581 | #define TARGET_FRE (TARGET_HARD_FLOAT \ |
92902797 MM |
582 | && (TARGET_POPCNTB || VECTOR_UNIT_VSX_P (DFmode))) |
583 | ||
584 | #define TARGET_FRSQRTES (TARGET_HARD_FLOAT && TARGET_POPCNTB \ | |
2c2aa74d | 585 | && TARGET_PPC_GFXOPT) |
92902797 | 586 | |
2c2aa74d | 587 | #define TARGET_FRSQRTE (TARGET_HARD_FLOAT \ |
92902797 MM |
588 | && (TARGET_PPC_GFXOPT || VECTOR_UNIT_VSX_P (DFmode))) |
589 | ||
6019c0fc MM |
590 | /* Macro to say whether we can do optimizations where we need to do parts of |
591 | the calculation in 64-bit GPRs and then is transfered to the vector | |
427a7384 | 592 | registers. */ |
e0d32185 MM |
593 | #define TARGET_DIRECT_MOVE_64BIT (TARGET_DIRECT_MOVE \ |
594 | && TARGET_P8_VECTOR \ | |
427a7384 | 595 | && TARGET_POWERPC64) |
e0d32185 | 596 | |
92902797 MM |
597 | /* Whether the various reciprocal divide/square root estimate instructions |
598 | exist, and whether we should automatically generate code for the instruction | |
599 | by default. */ | |
600 | #define RS6000_RECIP_MASK_HAVE_RE 0x1 /* have RE instruction. */ | |
601 | #define RS6000_RECIP_MASK_AUTO_RE 0x2 /* generate RE by default. */ | |
602 | #define RS6000_RECIP_MASK_HAVE_RSQRTE 0x4 /* have RSQRTE instruction. */ | |
603 | #define RS6000_RECIP_MASK_AUTO_RSQRTE 0x8 /* gen. RSQRTE by default. */ | |
604 | ||
605 | extern unsigned char rs6000_recip_bits[]; | |
606 | ||
607 | #define RS6000_RECIP_HAVE_RE_P(MODE) \ | |
608 | (rs6000_recip_bits[(int)(MODE)] & RS6000_RECIP_MASK_HAVE_RE) | |
609 | ||
610 | #define RS6000_RECIP_AUTO_RE_P(MODE) \ | |
611 | (rs6000_recip_bits[(int)(MODE)] & RS6000_RECIP_MASK_AUTO_RE) | |
612 | ||
613 | #define RS6000_RECIP_HAVE_RSQRTE_P(MODE) \ | |
614 | (rs6000_recip_bits[(int)(MODE)] & RS6000_RECIP_MASK_HAVE_RSQRTE) | |
615 | ||
616 | #define RS6000_RECIP_AUTO_RSQRTE_P(MODE) \ | |
617 | (rs6000_recip_bits[(int)(MODE)] & RS6000_RECIP_MASK_AUTO_RSQRTE) | |
618 | ||
c5387660 JM |
619 | /* The default CPU for TARGET_OPTION_OVERRIDE. */ |
620 | #define OPTION_TARGET_CPU_DEFAULT TARGET_CPU_DEFAULT | |
f045b2c9 | 621 | |
a5c76ee6 | 622 | /* Target pragma. */ |
c58b209a NB |
623 | #define REGISTER_TARGET_PRAGMAS() do { \ |
624 | c_register_pragma (0, "longcall", rs6000_pragma_longcall); \ | |
fd438373 | 625 | targetm.target_option.pragma_parse = rs6000_pragma_target_parse; \ |
2fab365e | 626 | targetm.resolve_overloaded_builtin = altivec_resolve_overloaded_builtin; \ |
7fa14a01 | 627 | rs6000_target_modify_macros_ptr = rs6000_target_modify_macros; \ |
a5c76ee6 ZW |
628 | } while (0) |
629 | ||
4c4eb375 GK |
630 | /* Target #defines. */ |
631 | #define TARGET_CPU_CPP_BUILTINS() \ | |
632 | rs6000_cpu_cpp_builtins (pfile) | |
647d340d JT |
633 | |
634 | /* This is used by rs6000_cpu_cpp_builtins to indicate the byte order | |
635 | we're compiling for. Some configurations may need to override it. */ | |
636 | #define RS6000_CPU_CPP_ENDIAN_BUILTINS() \ | |
637 | do \ | |
638 | { \ | |
639 | if (BYTES_BIG_ENDIAN) \ | |
640 | { \ | |
641 | builtin_define ("__BIG_ENDIAN__"); \ | |
642 | builtin_define ("_BIG_ENDIAN"); \ | |
643 | builtin_assert ("machine=bigendian"); \ | |
644 | } \ | |
645 | else \ | |
646 | { \ | |
647 | builtin_define ("__LITTLE_ENDIAN__"); \ | |
648 | builtin_define ("_LITTLE_ENDIAN"); \ | |
649 | builtin_assert ("machine=littleendian"); \ | |
650 | } \ | |
651 | } \ | |
652 | while (0) | |
f045b2c9 | 653 | \f |
4c4eb375 | 654 | /* Target machine storage layout. */ |
f045b2c9 | 655 | |
13d39dbc | 656 | /* Define this macro if it is advisable to hold scalars in registers |
c81bebd7 | 657 | in a wider mode than that declared by the program. In such cases, |
ef457bda RK |
658 | the value is constrained to be within the bounds of the declared |
659 | type, but kept valid in the wider mode. The signedness of the | |
660 | extension may differ from that of the type. */ | |
661 | ||
39403d82 DE |
662 | #define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \ |
663 | if (GET_MODE_CLASS (MODE) == MODE_INT \ | |
96922e4c | 664 | && GET_MODE_SIZE (MODE) < (TARGET_32BIT ? 4 : 8)) \ |
b78d48dd | 665 | (MODE) = TARGET_32BIT ? SImode : DImode; |
39403d82 | 666 | |
f045b2c9 | 667 | /* Define this if most significant bit is lowest numbered |
82e41834 KH |
668 | in instructions that operate on numbered bit-fields. */ |
669 | /* That is true on RS/6000. */ | |
f045b2c9 RS |
670 | #define BITS_BIG_ENDIAN 1 |
671 | ||
672 | /* Define this if most significant byte of a word is the lowest numbered. */ | |
673 | /* That is true on RS/6000. */ | |
674 | #define BYTES_BIG_ENDIAN 1 | |
675 | ||
676 | /* Define this if most significant word of a multiword number is lowest | |
c81bebd7 | 677 | numbered. |
f045b2c9 RS |
678 | |
679 | For RS/6000 we can decide arbitrarily since there are no machine | |
82e41834 | 680 | instructions for them. Might as well be consistent with bits and bytes. */ |
f045b2c9 RS |
681 | #define WORDS_BIG_ENDIAN 1 |
682 | ||
50751417 AM |
683 | /* This says that for the IBM long double the larger magnitude double |
684 | comes first. It's really a two element double array, and arrays | |
685 | don't index differently between little- and big-endian. */ | |
686 | #define LONG_DOUBLE_LARGE_FIRST 1 | |
687 | ||
2e360ab3 | 688 | #define MAX_BITS_PER_WORD 64 |
f045b2c9 RS |
689 | |
690 | /* Width of a word, in units (bytes). */ | |
c1aa3958 | 691 | #define UNITS_PER_WORD (! TARGET_POWERPC64 ? 4 : 8) |
f34fc46e DE |
692 | #ifdef IN_LIBGCC2 |
693 | #define MIN_UNITS_PER_WORD UNITS_PER_WORD | |
694 | #else | |
ef0e53ce | 695 | #define MIN_UNITS_PER_WORD 4 |
f34fc46e | 696 | #endif |
2e360ab3 | 697 | #define UNITS_PER_FP_WORD 8 |
0ac081f6 | 698 | #define UNITS_PER_ALTIVEC_WORD 16 |
cacf1ca8 | 699 | #define UNITS_PER_VSX_WORD 16 |
f045b2c9 | 700 | |
915f619f JW |
701 | /* Type used for ptrdiff_t, as a string used in a declaration. */ |
702 | #define PTRDIFF_TYPE "int" | |
703 | ||
058ef853 DE |
704 | /* Type used for size_t, as a string used in a declaration. */ |
705 | #define SIZE_TYPE "long unsigned int" | |
706 | ||
f045b2c9 RS |
707 | /* Type used for wchar_t, as a string used in a declaration. */ |
708 | #define WCHAR_TYPE "short unsigned int" | |
709 | ||
710 | /* Width of wchar_t in bits. */ | |
711 | #define WCHAR_TYPE_SIZE 16 | |
712 | ||
9e654916 RK |
713 | /* A C expression for the size in bits of the type `short' on the |
714 | target machine. If you don't define this, the default is half a | |
715 | word. (If this would be less than one storage unit, it is | |
716 | rounded up to one unit.) */ | |
717 | #define SHORT_TYPE_SIZE 16 | |
718 | ||
719 | /* A C expression for the size in bits of the type `int' on the | |
720 | target machine. If you don't define this, the default is one | |
721 | word. */ | |
19d2d16f | 722 | #define INT_TYPE_SIZE 32 |
9e654916 RK |
723 | |
724 | /* A C expression for the size in bits of the type `long' on the | |
725 | target machine. If you don't define this, the default is one | |
726 | word. */ | |
2f3e5814 | 727 | #define LONG_TYPE_SIZE (TARGET_32BIT ? 32 : 64) |
9e654916 RK |
728 | |
729 | /* A C expression for the size in bits of the type `long long' on the | |
730 | target machine. If you don't define this, the default is two | |
731 | words. */ | |
732 | #define LONG_LONG_TYPE_SIZE 64 | |
733 | ||
9e654916 RK |
734 | /* A C expression for the size in bits of the type `float' on the |
735 | target machine. If you don't define this, the default is one | |
736 | word. */ | |
737 | #define FLOAT_TYPE_SIZE 32 | |
738 | ||
739 | /* A C expression for the size in bits of the type `double' on the | |
740 | target machine. If you don't define this, the default is two | |
741 | words. */ | |
742 | #define DOUBLE_TYPE_SIZE 64 | |
743 | ||
6a8886e4 MM |
744 | /* A C expression for the size in bits of the type `long double' on the target |
745 | machine. If you don't define this, the default is two words. */ | |
6fa3f289 | 746 | #define LONG_DOUBLE_TYPE_SIZE rs6000_long_double_type_size |
06f4e019 | 747 | |
5b8f5865 DE |
748 | /* Work around rs6000_long_double_type_size dependency in ada/targtyps.c. */ |
749 | #define WIDEST_HARDWARE_FP_SIZE 64 | |
750 | ||
f045b2c9 RS |
751 | /* Width in bits of a pointer. |
752 | See also the macro `Pmode' defined below. */ | |
cacf1ca8 MM |
753 | extern unsigned rs6000_pointer_size; |
754 | #define POINTER_SIZE rs6000_pointer_size | |
f045b2c9 RS |
755 | |
756 | /* Allocation boundary (in *bits*) for storing arguments in argument list. */ | |
2f3e5814 | 757 | #define PARM_BOUNDARY (TARGET_32BIT ? 32 : 64) |
f045b2c9 RS |
758 | |
759 | /* Boundary (in *bits*) on which stack pointer should be aligned. */ | |
cacf1ca8 MM |
760 | #define STACK_BOUNDARY \ |
761 | ((TARGET_32BIT && !TARGET_ALTIVEC && !TARGET_ALTIVEC_ABI && !TARGET_VSX) \ | |
762 | ? 64 : 128) | |
f045b2c9 RS |
763 | |
764 | /* Allocation boundary (in *bits*) for the code of a function. */ | |
765 | #define FUNCTION_BOUNDARY 32 | |
766 | ||
767 | /* No data type wants to be aligned rounder than this. */ | |
0ac081f6 AH |
768 | #define BIGGEST_ALIGNMENT 128 |
769 | ||
f045b2c9 RS |
770 | /* Alignment of field after `int : 0' in a structure. */ |
771 | #define EMPTY_FIELD_BOUNDARY 32 | |
772 | ||
773 | /* Every structure's size must be a multiple of this. */ | |
774 | #define STRUCTURE_SIZE_BOUNDARY 8 | |
775 | ||
43a88a8c | 776 | /* A bit-field declared as `int' forces `int' alignment for the struct. */ |
f045b2c9 RS |
777 | #define PCC_BITFIELD_TYPE_MATTERS 1 |
778 | ||
69eff9da AM |
779 | enum data_align { align_abi, align_opt, align_both }; |
780 | ||
781 | /* A C expression to compute the alignment for a variables in the | |
782 | local store. TYPE is the data type, and ALIGN is the alignment | |
783 | that the object would ordinarily have. */ | |
784 | #define LOCAL_ALIGNMENT(TYPE, ALIGN) \ | |
785 | rs6000_data_alignment (TYPE, ALIGN, align_both) | |
786 | ||
69eff9da AM |
787 | /* Make arrays of chars word-aligned for the same reasons. */ |
788 | #define DATA_ALIGNMENT(TYPE, ALIGN) \ | |
789 | rs6000_data_alignment (TYPE, ALIGN, align_opt) | |
790 | ||
e075a6cc | 791 | /* Align vectors to 128 bits. */ |
69eff9da AM |
792 | #define DATA_ABI_ALIGNMENT(TYPE, ALIGN) \ |
793 | rs6000_data_alignment (TYPE, ALIGN, align_abi) | |
f045b2c9 | 794 | |
a0ab749a | 795 | /* Nonzero if move instructions will actually fail to work |
f045b2c9 | 796 | when given unaligned data. */ |
fdaff8ba | 797 | #define STRICT_ALIGNMENT 0 |
f045b2c9 RS |
798 | \f |
799 | /* Standard register usage. */ | |
800 | ||
801 | /* Number of actual hardware registers. | |
802 | The hardware registers are assigned numbers for the compiler | |
803 | from 0 to just below FIRST_PSEUDO_REGISTER. | |
804 | All registers that the compiler knows about must be given numbers, | |
805 | even those that are not normally considered general registers. | |
806 | ||
807 | RS/6000 has 32 fixed-point registers, 32 floating-point registers, | |
462f7901 SB |
808 | a count register, a link register, and 8 condition register fields, |
809 | which we view here as separate registers. AltiVec adds 32 vector | |
810 | registers and a VRsave register. | |
f045b2c9 RS |
811 | |
812 | In addition, the difference between the frame and argument pointers is | |
813 | a function of the number of registers saved, so we need to have a | |
814 | register for AP that will later be eliminated in favor of SP or FP. | |
802a0058 | 815 | This is a normal register, but it is fixed. |
f045b2c9 | 816 | |
802a0058 MM |
817 | We also create a pseudo register for float/int conversions, that will |
818 | really represent the memory location used. It is represented here as | |
819 | a register, in order to work around problems in allocating stack storage | |
7d5175e1 | 820 | in inline functions. |
802a0058 | 821 | |
7d5175e1 | 822 | Another pseudo (not included in DWARF_FRAME_REGISTERS) is soft frame |
7a5add18 PB |
823 | pointer, which is eventually eliminated in favor of SP or FP. |
824 | ||
825 | The 3 HTM registers aren't also included in DWARF_FRAME_REGISTERS. */ | |
7d5175e1 | 826 | |
346081bd | 827 | #define FIRST_PSEUDO_REGISTER 115 |
f045b2c9 | 828 | |
d6a7951f | 829 | /* This must be included for pre gcc 3.0 glibc compatibility. */ |
7d5f33bc | 830 | #define PRE_GCC3_DWARF_FRAME_REGISTERS 77 |
62153b61 | 831 | |
e075a6cc | 832 | /* The sfp register and 3 HTM registers |
23742a9e RAR |
833 | aren't included in DWARF_FRAME_REGISTERS. */ |
834 | #define DWARF_FRAME_REGISTERS (FIRST_PSEUDO_REGISTER - 4) | |
c19de7aa | 835 | |
ed1cf8ff | 836 | /* Use standard DWARF numbering for DWARF debugging information. */ |
3d36d470 | 837 | #define DBX_REGISTER_NUMBER(REGNO) rs6000_dbx_register_number ((REGNO), 0) |
ed1cf8ff | 838 | |
93c9d1ba | 839 | /* Use gcc hard register numbering for eh_frame. */ |
3d36d470 | 840 | #define DWARF_FRAME_REGNUM(REGNO) (REGNO) |
41f3a930 | 841 | |
ed1cf8ff GK |
842 | /* Map register numbers held in the call frame info that gcc has |
843 | collected using DWARF_FRAME_REGNUM to those that should be output in | |
3d36d470 UW |
844 | .debug_frame and .eh_frame. */ |
845 | #define DWARF2_FRAME_REG_OUT(REGNO, FOR_EH) \ | |
846 | rs6000_dbx_register_number ((REGNO), (FOR_EH)? 2 : 1) | |
ed1cf8ff | 847 | |
f045b2c9 RS |
848 | /* 1 for registers that have pervasive standard uses |
849 | and are not available for the register allocator. | |
850 | ||
5dead3e5 DJ |
851 | On RS/6000, r1 is used for the stack. On Darwin, r2 is available |
852 | as a local register; for all other OS's r2 is the TOC pointer. | |
f045b2c9 | 853 | |
a127c4e5 RK |
854 | On System V implementations, r13 is fixed and not available for use. */ |
855 | ||
f045b2c9 | 856 | #define FIXED_REGISTERS \ |
5dead3e5 | 857 | {0, 1, FIXED_R2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, FIXED_R13, 0, 0, \ |
f045b2c9 RS |
858 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ |
859 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
860 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
36bd0c3e | 861 | 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, \ |
0ac081f6 AH |
862 | /* AltiVec registers. */ \ |
863 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
864 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
5f004351 | 865 | 1, 1 \ |
346081bd | 866 | , 1, 1, 1, 1 \ |
0ac081f6 | 867 | } |
f045b2c9 RS |
868 | |
869 | /* 1 for registers not available across function calls. | |
870 | These must include the FIXED_REGISTERS and also any | |
871 | registers that can be used without being saved. | |
872 | The latter must include the registers where values are returned | |
873 | and the register where structure-value addresses are passed. | |
874 | Aside from that, you can include as many other registers as you like. */ | |
875 | ||
876 | #define CALL_USED_REGISTERS \ | |
a127c4e5 | 877 | {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, FIXED_R13, 0, 0, \ |
f045b2c9 RS |
878 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ |
879 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, \ | |
880 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
0ac081f6 AH |
881 | 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, \ |
882 | /* AltiVec registers. */ \ | |
883 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
884 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
5f004351 | 885 | 1, 1 \ |
346081bd | 886 | , 1, 1, 1, 1 \ |
0ac081f6 AH |
887 | } |
888 | ||
289e96b2 AH |
889 | /* Like `CALL_USED_REGISTERS' except this macro doesn't require that |
890 | the entire set of `FIXED_REGISTERS' be included. | |
891 | (`CALL_USED_REGISTERS' must be a superset of `FIXED_REGISTERS'). | |
892 | This macro is optional. If not specified, it defaults to the value | |
893 | of `CALL_USED_REGISTERS'. */ | |
f676971a | 894 | |
289e96b2 AH |
895 | #define CALL_REALLY_USED_REGISTERS \ |
896 | {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, FIXED_R13, 0, 0, \ | |
897 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
898 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, \ | |
899 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
0b390d60 | 900 | 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, \ |
289e96b2 AH |
901 | /* AltiVec registers. */ \ |
902 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
903 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ | |
5f004351 | 904 | 0, 0 \ |
346081bd | 905 | , 0, 0, 0, 0 \ |
289e96b2 | 906 | } |
f045b2c9 | 907 | |
28bcfd4d | 908 | #define TOTAL_ALTIVEC_REGS (LAST_ALTIVEC_REGNO - FIRST_ALTIVEC_REGNO + 1) |
9ebbca7d | 909 | |
d62294f5 | 910 | #define FIRST_SAVED_ALTIVEC_REGNO (FIRST_ALTIVEC_REGNO+20) |
b427dd7a AM |
911 | #define FIRST_SAVED_FP_REGNO (14+32) |
912 | #define FIRST_SAVED_GP_REGNO (FIXED_R13 ? 14 : 13) | |
d62294f5 | 913 | |
f045b2c9 RS |
914 | /* List the order in which to allocate registers. Each register must be |
915 | listed once, even those in FIXED_REGISTERS. | |
916 | ||
917 | We allocate in the following order: | |
918 | fp0 (not saved or used for anything) | |
919 | fp13 - fp2 (not saved; incoming fp arg registers) | |
920 | fp1 (not saved; return value) | |
9390387d | 921 | fp31 - fp14 (saved; order given to save least number) |
36bd0c3e SB |
922 | cr7, cr5 (not saved or special) |
923 | cr6 (not saved, but used for vector operations) | |
5accd822 | 924 | cr1 (not saved, but used for FP operations) |
f045b2c9 | 925 | cr0 (not saved, but used for arithmetic operations) |
5accd822 | 926 | cr4, cr3, cr2 (saved) |
f045b2c9 | 927 | r9 (not saved; best for TImode) |
d44b26bd | 928 | r10, r8-r4 (not saved; highest first for less conflict with params) |
9390387d | 929 | r3 (not saved; return value register) |
d44b26bd AM |
930 | r11 (not saved; later alloc to help shrink-wrap) |
931 | r0 (not saved; cannot be base reg) | |
f045b2c9 RS |
932 | r31 - r13 (saved; order given to save least number) |
933 | r12 (not saved; if used for DImode or DFmode would use r13) | |
f045b2c9 RS |
934 | ctr (not saved; when we have the choice ctr is better) |
935 | lr (saved) | |
36bd0c3e | 936 | r1, r2, ap, ca (fixed) |
9390387d AM |
937 | v0 - v1 (not saved or used for anything) |
938 | v13 - v3 (not saved; incoming vector arg registers) | |
939 | v2 (not saved; incoming vector arg reg; return value) | |
940 | v19 - v14 (not saved or used for anything) | |
941 | v31 - v20 (saved; order given to save least number) | |
942 | vrsave, vscr (fixed) | |
7d5175e1 | 943 | sfp (fixed) |
0258b6e4 PB |
944 | tfhar (fixed) |
945 | tfiar (fixed) | |
946 | texasr (fixed) | |
0ac081f6 | 947 | */ |
f676971a | 948 | |
6b13641d DJ |
949 | #if FIXED_R2 == 1 |
950 | #define MAYBE_R2_AVAILABLE | |
951 | #define MAYBE_R2_FIXED 2, | |
952 | #else | |
953 | #define MAYBE_R2_AVAILABLE 2, | |
954 | #define MAYBE_R2_FIXED | |
955 | #endif | |
f045b2c9 | 956 | |
d44b26bd AM |
957 | #if FIXED_R13 == 1 |
958 | #define EARLY_R12 12, | |
959 | #define LATE_R12 | |
960 | #else | |
961 | #define EARLY_R12 | |
962 | #define LATE_R12 12, | |
963 | #endif | |
964 | ||
9390387d AM |
965 | #define REG_ALLOC_ORDER \ |
966 | {32, \ | |
f62511da MM |
967 | /* move fr13 (ie 45) later, so if we need TFmode, it does */ \ |
968 | /* not use fr14 which is a saved register. */ \ | |
969 | 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 45, \ | |
9390387d AM |
970 | 33, \ |
971 | 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, \ | |
972 | 50, 49, 48, 47, 46, \ | |
36bd0c3e | 973 | 75, 73, 74, 69, 68, 72, 71, 70, \ |
d44b26bd AM |
974 | MAYBE_R2_AVAILABLE \ |
975 | 9, 10, 8, 7, 6, 5, 4, \ | |
976 | 3, EARLY_R12 11, 0, \ | |
9390387d | 977 | 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, \ |
d44b26bd | 978 | 18, 17, 16, 15, 14, 13, LATE_R12 \ |
462f7901 | 979 | 66, 65, \ |
36bd0c3e | 980 | 1, MAYBE_R2_FIXED 67, 76, \ |
9390387d AM |
981 | /* AltiVec registers. */ \ |
982 | 77, 78, \ | |
983 | 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, \ | |
984 | 79, \ | |
985 | 96, 95, 94, 93, 92, 91, \ | |
986 | 108, 107, 106, 105, 104, 103, 102, 101, 100, 99, 98, 97, \ | |
987 | 109, 110, \ | |
346081bd | 988 | 111, 112, 113, 114 \ |
0ac081f6 | 989 | } |
f045b2c9 RS |
990 | |
991 | /* True if register is floating-point. */ | |
992 | #define FP_REGNO_P(N) ((N) >= 32 && (N) <= 63) | |
993 | ||
994 | /* True if register is a condition register. */ | |
1de43f85 | 995 | #define CR_REGNO_P(N) ((N) >= CR0_REGNO && (N) <= CR7_REGNO) |
f045b2c9 | 996 | |
815cdc52 | 997 | /* True if register is a condition register, but not cr0. */ |
1de43f85 | 998 | #define CR_REGNO_NOT_CR0_P(N) ((N) >= CR1_REGNO && (N) <= CR7_REGNO) |
815cdc52 | 999 | |
f045b2c9 | 1000 | /* True if register is an integer register. */ |
7d5175e1 JJ |
1001 | #define INT_REGNO_P(N) \ |
1002 | ((N) <= 31 || (N) == ARG_POINTER_REGNUM || (N) == FRAME_POINTER_REGNUM) | |
f045b2c9 | 1003 | |
f6b5d695 SB |
1004 | /* True if register is the CA register. */ |
1005 | #define CA_REGNO_P(N) ((N) == CA_REGNO) | |
802a0058 | 1006 | |
0ac081f6 AH |
1007 | /* True if register is an AltiVec register. */ |
1008 | #define ALTIVEC_REGNO_P(N) ((N) >= FIRST_ALTIVEC_REGNO && (N) <= LAST_ALTIVEC_REGNO) | |
1009 | ||
cacf1ca8 MM |
1010 | /* True if register is a VSX register. */ |
1011 | #define VSX_REGNO_P(N) (FP_REGNO_P (N) || ALTIVEC_REGNO_P (N)) | |
1012 | ||
1013 | /* Alternate name for any vector register supporting floating point, no matter | |
1014 | which instruction set(s) are available. */ | |
1015 | #define VFLOAT_REGNO_P(N) \ | |
1016 | (ALTIVEC_REGNO_P (N) || (TARGET_VSX && FP_REGNO_P (N))) | |
1017 | ||
1018 | /* Alternate name for any vector register supporting integer, no matter which | |
1019 | instruction set(s) are available. */ | |
1020 | #define VINT_REGNO_P(N) ALTIVEC_REGNO_P (N) | |
1021 | ||
1022 | /* Alternate name for any vector register supporting logical operations, no | |
dd7a40e1 MM |
1023 | matter which instruction set(s) are available. Allow GPRs as well as the |
1024 | vector registers. */ | |
f62511da | 1025 | #define VLOGICAL_REGNO_P(N) \ |
dd7a40e1 MM |
1026 | (INT_REGNO_P (N) || ALTIVEC_REGNO_P (N) \ |
1027 | || (TARGET_VSX && FP_REGNO_P (N))) \ | |
cacf1ca8 | 1028 | |
79eefb0d | 1029 | /* When setting up caller-save slots (MODE == VOIDmode) ensure we allocate |
5ec6aff2 MM |
1030 | enough space to account for vectors in FP regs. However, TFmode/TDmode |
1031 | should not use VSX instructions to do a caller save. */ | |
dbcc9f08 | 1032 | #define HARD_REGNO_CALLER_SAVE_MODE(REGNO, NREGS, MODE) \ |
90b725f0 PB |
1033 | ((NREGS) <= rs6000_hard_regno_nregs[MODE][REGNO] \ |
1034 | ? (MODE) \ | |
1035 | : TARGET_VSX \ | |
1036 | && ((MODE) == VOIDmode || ALTIVEC_OR_VSX_VECTOR_MODE (MODE)) \ | |
1037 | && FP_REGNO_P (REGNO) \ | |
5ec6aff2 | 1038 | ? V2DFmode \ |
f7c12ec4 | 1039 | : FLOAT128_IBM_P (MODE) && FP_REGNO_P (REGNO) \ |
5ec6aff2 | 1040 | ? DFmode \ |
f7c12ec4 | 1041 | : (MODE) == TDmode && FP_REGNO_P (REGNO) \ |
5ec6aff2 | 1042 | ? DImode \ |
79eefb0d PH |
1043 | : choose_hard_reg_mode ((REGNO), (NREGS), false)) |
1044 | ||
cacf1ca8 MM |
1045 | #define VSX_VECTOR_MODE(MODE) \ |
1046 | ((MODE) == V4SFmode \ | |
1047 | || (MODE) == V2DFmode) \ | |
1048 | ||
bdb60a10 MM |
1049 | /* Note KFmode and possibly TFmode (i.e. IEEE 128-bit floating point) are not |
1050 | really a vector, but we want to treat it as a vector for moves, and | |
1051 | such. */ | |
1052 | ||
1053 | #define ALTIVEC_VECTOR_MODE(MODE) \ | |
1054 | ((MODE) == V16QImode \ | |
1055 | || (MODE) == V8HImode \ | |
1056 | || (MODE) == V4SFmode \ | |
1057 | || (MODE) == V4SImode \ | |
1058 | || FLOAT128_VECTOR_P (MODE)) | |
0ac081f6 | 1059 | |
dbcc9f08 MM |
1060 | #define ALTIVEC_OR_VSX_VECTOR_MODE(MODE) \ |
1061 | (ALTIVEC_VECTOR_MODE (MODE) || VSX_VECTOR_MODE (MODE) \ | |
a16a872d | 1062 | || (MODE) == V2DImode || (MODE) == V1TImode) |
dbcc9f08 | 1063 | |
c8ae788f SB |
1064 | /* Post-reload, we can't use any new AltiVec registers, as we already |
1065 | emitted the vrsave mask. */ | |
1066 | ||
1067 | #define HARD_REGNO_RENAME_OK(SRC, DST) \ | |
6fb5fa3c | 1068 | (! ALTIVEC_REGNO_P (DST) || df_regs_ever_live_p (DST)) |
c8ae788f | 1069 | |
f045b2c9 RS |
1070 | /* Specify the cost of a branch insn; roughly the number of extra insns that |
1071 | should be added to avoid a branch. | |
1072 | ||
ef457bda | 1073 | Set this to 3 on the RS/6000 since that is roughly the average cost of an |
f045b2c9 RS |
1074 | unscheduled conditional branch. */ |
1075 | ||
3a4fd356 | 1076 | #define BRANCH_COST(speed_p, predictable_p) 3 |
f045b2c9 | 1077 | |
85e50b6b | 1078 | /* Override BRANCH_COST heuristic which empirically produces worse |
b8610a53 | 1079 | performance for removing short circuiting from the logical ops. */ |
85e50b6b | 1080 | |
b8610a53 | 1081 | #define LOGICAL_OP_NON_SHORT_CIRCUIT 0 |
a3170dc6 | 1082 | |
f045b2c9 RS |
1083 | /* Specify the registers used for certain standard purposes. |
1084 | The values of these macros are register numbers. */ | |
1085 | ||
1086 | /* RS/6000 pc isn't overloaded on a register that the compiler knows about. */ | |
1087 | /* #define PC_REGNUM */ | |
1088 | ||
1089 | /* Register to use for pushing function arguments. */ | |
1090 | #define STACK_POINTER_REGNUM 1 | |
1091 | ||
1092 | /* Base register for access to local variables of the function. */ | |
7d5175e1 JJ |
1093 | #define HARD_FRAME_POINTER_REGNUM 31 |
1094 | ||
1095 | /* Base register for access to local variables of the function. */ | |
346081bd | 1096 | #define FRAME_POINTER_REGNUM 111 |
f045b2c9 | 1097 | |
f045b2c9 RS |
1098 | /* Base register for access to arguments of the function. */ |
1099 | #define ARG_POINTER_REGNUM 67 | |
1100 | ||
1101 | /* Place to put static chain when calling a function that requires it. */ | |
1102 | #define STATIC_CHAIN_REGNUM 11 | |
1103 | ||
26a2e6ae PB |
1104 | /* Base register for access to thread local storage variables. */ |
1105 | #define TLS_REGNUM ((TARGET_64BIT) ? 13 : 2) | |
1106 | ||
f045b2c9 RS |
1107 | \f |
1108 | /* Define the classes of registers for register constraints in the | |
1109 | machine description. Also define ranges of constants. | |
1110 | ||
1111 | One of the classes must always be named ALL_REGS and include all hard regs. | |
1112 | If there is more than one class, another class must be named NO_REGS | |
1113 | and contain no registers. | |
1114 | ||
1115 | The name GENERAL_REGS must be the name of a class (or an alias for | |
1116 | another name such as ALL_REGS). This is the class of registers | |
1117 | that is allowed by "g" or "r" in a register constraint. | |
1118 | Also, registers outside this class are allocated only when | |
1119 | instructions express preferences for them. | |
1120 | ||
1121 | The classes must be numbered in nondecreasing order; that is, | |
1122 | a larger-numbered class must never be contained completely | |
1123 | in a smaller-numbered class. | |
1124 | ||
1125 | For any two classes, it is very desirable that there be another | |
1126 | class that represents their union. */ | |
c81bebd7 | 1127 | |
cacf1ca8 | 1128 | /* The RS/6000 has three types of registers, fixed-point, floating-point, and |
462f7901 | 1129 | condition registers, plus three special registers, CTR, and the link |
cacf1ca8 MM |
1130 | register. AltiVec adds a vector register class. VSX registers overlap the |
1131 | FPR registers and the Altivec registers. | |
f045b2c9 RS |
1132 | |
1133 | However, r0 is special in that it cannot be used as a base register. | |
1134 | So make a class for registers valid as base registers. | |
1135 | ||
1136 | Also, cr0 is the only condition code register that can be used in | |
0d86f538 | 1137 | arithmetic insns, so make a separate class for it. */ |
f045b2c9 | 1138 | |
ebedb4dd MM |
1139 | enum reg_class |
1140 | { | |
1141 | NO_REGS, | |
ebedb4dd MM |
1142 | BASE_REGS, |
1143 | GENERAL_REGS, | |
1144 | FLOAT_REGS, | |
0ac081f6 | 1145 | ALTIVEC_REGS, |
8beb65e3 | 1146 | VSX_REGS, |
0ac081f6 | 1147 | VRSAVE_REGS, |
5f004351 | 1148 | VSCR_REGS, |
0258b6e4 | 1149 | SPR_REGS, |
ebedb4dd | 1150 | NON_SPECIAL_REGS, |
ebedb4dd MM |
1151 | LINK_REGS, |
1152 | CTR_REGS, | |
1153 | LINK_OR_CTR_REGS, | |
1154 | SPECIAL_REGS, | |
1155 | SPEC_OR_GEN_REGS, | |
1156 | CR0_REGS, | |
ebedb4dd MM |
1157 | CR_REGS, |
1158 | NON_FLOAT_REGS, | |
f6b5d695 | 1159 | CA_REGS, |
ebedb4dd MM |
1160 | ALL_REGS, |
1161 | LIM_REG_CLASSES | |
1162 | }; | |
f045b2c9 RS |
1163 | |
1164 | #define N_REG_CLASSES (int) LIM_REG_CLASSES | |
1165 | ||
82e41834 | 1166 | /* Give names of register classes as strings for dump file. */ |
f045b2c9 | 1167 | |
ebedb4dd MM |
1168 | #define REG_CLASS_NAMES \ |
1169 | { \ | |
1170 | "NO_REGS", \ | |
ebedb4dd MM |
1171 | "BASE_REGS", \ |
1172 | "GENERAL_REGS", \ | |
1173 | "FLOAT_REGS", \ | |
0ac081f6 | 1174 | "ALTIVEC_REGS", \ |
8beb65e3 | 1175 | "VSX_REGS", \ |
0ac081f6 | 1176 | "VRSAVE_REGS", \ |
5f004351 | 1177 | "VSCR_REGS", \ |
0258b6e4 | 1178 | "SPR_REGS", \ |
ebedb4dd | 1179 | "NON_SPECIAL_REGS", \ |
ebedb4dd MM |
1180 | "LINK_REGS", \ |
1181 | "CTR_REGS", \ | |
1182 | "LINK_OR_CTR_REGS", \ | |
1183 | "SPECIAL_REGS", \ | |
1184 | "SPEC_OR_GEN_REGS", \ | |
1185 | "CR0_REGS", \ | |
ebedb4dd MM |
1186 | "CR_REGS", \ |
1187 | "NON_FLOAT_REGS", \ | |
f6b5d695 | 1188 | "CA_REGS", \ |
ebedb4dd MM |
1189 | "ALL_REGS" \ |
1190 | } | |
f045b2c9 RS |
1191 | |
1192 | /* Define which registers fit in which classes. | |
1193 | This is an initializer for a vector of HARD_REG_SET | |
1194 | of length N_REG_CLASSES. */ | |
1195 | ||
23742a9e RAR |
1196 | #define REG_CLASS_CONTENTS \ |
1197 | { \ | |
1198 | /* NO_REGS. */ \ | |
3e2bca2e | 1199 | { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, \ |
23742a9e | 1200 | /* BASE_REGS. */ \ |
346081bd | 1201 | { 0xfffffffe, 0x00000000, 0x00000008, 0x00008000 }, \ |
23742a9e | 1202 | /* GENERAL_REGS. */ \ |
346081bd | 1203 | { 0xffffffff, 0x00000000, 0x00000008, 0x00008000 }, \ |
23742a9e | 1204 | /* FLOAT_REGS. */ \ |
3e2bca2e | 1205 | { 0x00000000, 0xffffffff, 0x00000000, 0x00000000 }, \ |
23742a9e | 1206 | /* ALTIVEC_REGS. */ \ |
3e2bca2e | 1207 | { 0x00000000, 0x00000000, 0xffffe000, 0x00001fff }, \ |
23742a9e | 1208 | /* VSX_REGS. */ \ |
3e2bca2e | 1209 | { 0x00000000, 0xffffffff, 0xffffe000, 0x00001fff }, \ |
23742a9e | 1210 | /* VRSAVE_REGS. */ \ |
3e2bca2e | 1211 | { 0x00000000, 0x00000000, 0x00000000, 0x00002000 }, \ |
23742a9e | 1212 | /* VSCR_REGS. */ \ |
3e2bca2e | 1213 | { 0x00000000, 0x00000000, 0x00000000, 0x00004000 }, \ |
23742a9e | 1214 | /* SPR_REGS. */ \ |
346081bd | 1215 | { 0x00000000, 0x00000000, 0x00000000, 0x00010000 }, \ |
23742a9e | 1216 | /* NON_SPECIAL_REGS. */ \ |
346081bd | 1217 | { 0xffffffff, 0xffffffff, 0x00000008, 0x00008000 }, \ |
23742a9e | 1218 | /* LINK_REGS. */ \ |
3e2bca2e | 1219 | { 0x00000000, 0x00000000, 0x00000002, 0x00000000 }, \ |
23742a9e | 1220 | /* CTR_REGS. */ \ |
3e2bca2e | 1221 | { 0x00000000, 0x00000000, 0x00000004, 0x00000000 }, \ |
23742a9e | 1222 | /* LINK_OR_CTR_REGS. */ \ |
3e2bca2e | 1223 | { 0x00000000, 0x00000000, 0x00000006, 0x00000000 }, \ |
23742a9e | 1224 | /* SPECIAL_REGS. */ \ |
3e2bca2e | 1225 | { 0x00000000, 0x00000000, 0x00000006, 0x00002000 }, \ |
23742a9e | 1226 | /* SPEC_OR_GEN_REGS. */ \ |
346081bd | 1227 | { 0xffffffff, 0x00000000, 0x0000000e, 0x0000a000 }, \ |
23742a9e | 1228 | /* CR0_REGS. */ \ |
3e2bca2e | 1229 | { 0x00000000, 0x00000000, 0x00000010, 0x00000000 }, \ |
23742a9e | 1230 | /* CR_REGS. */ \ |
3e2bca2e | 1231 | { 0x00000000, 0x00000000, 0x00000ff0, 0x00000000 }, \ |
23742a9e | 1232 | /* NON_FLOAT_REGS. */ \ |
346081bd | 1233 | { 0xffffffff, 0x00000000, 0x00000ffe, 0x00008000 }, \ |
23742a9e | 1234 | /* CA_REGS. */ \ |
3e2bca2e | 1235 | { 0x00000000, 0x00000000, 0x00001000, 0x00000000 }, \ |
23742a9e | 1236 | /* ALL_REGS. */ \ |
346081bd | 1237 | { 0xffffffff, 0xffffffff, 0xfffffffe, 0x0001ffff } \ |
ebedb4dd | 1238 | } |
f045b2c9 RS |
1239 | |
1240 | /* The same information, inverted: | |
1241 | Return the class number of the smallest class containing | |
1242 | reg number REGNO. This could be a conditional expression | |
1243 | or could index an array. */ | |
1244 | ||
cacf1ca8 MM |
1245 | extern enum reg_class rs6000_regno_regclass[FIRST_PSEUDO_REGISTER]; |
1246 | ||
cacf1ca8 | 1247 | #define REGNO_REG_CLASS(REGNO) \ |
e28c2052 | 1248 | (gcc_checking_assert (IN_RANGE ((REGNO), 0, FIRST_PSEUDO_REGISTER-1)),\ |
cacf1ca8 MM |
1249 | rs6000_regno_regclass[(REGNO)]) |
1250 | ||
a72c65c7 MM |
1251 | /* Register classes for various constraints that are based on the target |
1252 | switches. */ | |
1253 | enum r6000_reg_class_enum { | |
1254 | RS6000_CONSTRAINT_d, /* fpr registers for double values */ | |
1255 | RS6000_CONSTRAINT_f, /* fpr registers for single values */ | |
1256 | RS6000_CONSTRAINT_v, /* Altivec registers */ | |
1257 | RS6000_CONSTRAINT_wa, /* Any VSX register */ | |
d5906efc | 1258 | RS6000_CONSTRAINT_wb, /* Altivec register if ISA 3.0 vector. */ |
a72c65c7 | 1259 | RS6000_CONSTRAINT_wd, /* VSX register for V2DF */ |
dd551aa1 | 1260 | RS6000_CONSTRAINT_we, /* VSX register if ISA 3.0 vector. */ |
a72c65c7 | 1261 | RS6000_CONSTRAINT_wf, /* VSX register for V4SF */ |
5e8586d7 | 1262 | RS6000_CONSTRAINT_wg, /* FPR register for -mmfpgpr */ |
59f5868d MM |
1263 | RS6000_CONSTRAINT_wh, /* FPR register for direct moves. */ |
1264 | RS6000_CONSTRAINT_wi, /* FPR/VSX register to hold DImode */ | |
1265 | RS6000_CONSTRAINT_wj, /* FPR/VSX register for DImode direct moves. */ | |
1266 | RS6000_CONSTRAINT_wk, /* FPR/VSX register for DFmode direct moves. */ | |
c6d5ff83 | 1267 | RS6000_CONSTRAINT_wl, /* FPR register for LFIWAX */ |
f62511da | 1268 | RS6000_CONSTRAINT_wm, /* VSX register for direct move */ |
4e8a3a35 | 1269 | RS6000_CONSTRAINT_wo, /* VSX register for power9 vector. */ |
c477a667 MM |
1270 | RS6000_CONSTRAINT_wp, /* VSX reg for IEEE 128-bit fp TFmode. */ |
1271 | RS6000_CONSTRAINT_wq, /* VSX reg for IEEE 128-bit fp KFmode. */ | |
f62511da | 1272 | RS6000_CONSTRAINT_wr, /* GPR register if 64-bit */ |
a72c65c7 | 1273 | RS6000_CONSTRAINT_ws, /* VSX register for DF */ |
c6d5ff83 | 1274 | RS6000_CONSTRAINT_wt, /* VSX register for TImode */ |
5e8586d7 MM |
1275 | RS6000_CONSTRAINT_wu, /* Altivec register for float load/stores. */ |
1276 | RS6000_CONSTRAINT_wv, /* Altivec register for double load/stores. */ | |
1277 | RS6000_CONSTRAINT_ww, /* FP or VSX register for vsx float ops. */ | |
c6d5ff83 | 1278 | RS6000_CONSTRAINT_wx, /* FPR register for STFIWX */ |
5e8586d7 | 1279 | RS6000_CONSTRAINT_wy, /* VSX register for SF */ |
c6d5ff83 | 1280 | RS6000_CONSTRAINT_wz, /* FPR register for LFIWZX */ |
99211352 | 1281 | RS6000_CONSTRAINT_wA, /* BASE_REGS if 64-bit. */ |
787c7a65 MM |
1282 | RS6000_CONSTRAINT_wH, /* Altivec register for 32-bit integers. */ |
1283 | RS6000_CONSTRAINT_wI, /* VSX register for 32-bit integers. */ | |
1284 | RS6000_CONSTRAINT_wJ, /* VSX register for 8/16-bit integers. */ | |
1285 | RS6000_CONSTRAINT_wK, /* Altivec register for 16/32-bit integers. */ | |
a72c65c7 MM |
1286 | RS6000_CONSTRAINT_MAX |
1287 | }; | |
1288 | ||
1289 | extern enum reg_class rs6000_constraints[RS6000_CONSTRAINT_MAX]; | |
f045b2c9 RS |
1290 | |
1291 | /* The class value for index registers, and the one for base regs. */ | |
1292 | #define INDEX_REG_CLASS GENERAL_REGS | |
1293 | #define BASE_REG_CLASS BASE_REGS | |
1294 | ||
cacf1ca8 MM |
1295 | /* Return whether a given register class can hold VSX objects. */ |
1296 | #define VSX_REG_CLASS_P(CLASS) \ | |
1297 | ((CLASS) == VSX_REGS || (CLASS) == FLOAT_REGS || (CLASS) == ALTIVEC_REGS) | |
1298 | ||
59f5868d MM |
1299 | /* Return whether a given register class targets general purpose registers. */ |
1300 | #define GPR_REG_CLASS_P(CLASS) ((CLASS) == GENERAL_REGS || (CLASS) == BASE_REGS) | |
1301 | ||
f045b2c9 RS |
1302 | /* Given an rtx X being reloaded into a reg required to be |
1303 | in class CLASS, return the class of reg to actually use. | |
1304 | In general this is just CLASS; but on some machines | |
c81bebd7 | 1305 | in some cases it is preferable to use a more restrictive class. |
f045b2c9 RS |
1306 | |
1307 | On the RS/6000, we have to return NO_REGS when we want to reload a | |
f676971a | 1308 | floating-point CONST_DOUBLE to force it to be copied to memory. |
1e66d555 GK |
1309 | |
1310 | We also don't want to reload integer values into floating-point | |
1311 | registers if we can at all help it. In fact, this can | |
37409796 | 1312 | cause reload to die, if it tries to generate a reload of CTR |
1e66d555 GK |
1313 | into a FP register and discovers it doesn't have the memory location |
1314 | required. | |
1315 | ||
1316 | ??? Would it be a good idea to have reload do the converse, that is | |
1317 | try to reload floating modes into FP registers if possible? | |
1318 | */ | |
f045b2c9 | 1319 | |
802a0058 | 1320 | #define PREFERRED_RELOAD_CLASS(X,CLASS) \ |
8beb65e3 | 1321 | rs6000_preferred_reload_class_ptr (X, CLASS) |
c81bebd7 | 1322 | |
f045b2c9 RS |
1323 | /* Return the register class of a scratch register needed to copy IN into |
1324 | or out of a register in CLASS in MODE. If it can be done directly, | |
1325 | NO_REGS is returned. */ | |
1326 | ||
1327 | #define SECONDARY_RELOAD_CLASS(CLASS,MODE,IN) \ | |
8beb65e3 | 1328 | rs6000_secondary_reload_class_ptr (CLASS, MODE, IN) |
f045b2c9 RS |
1329 | |
1330 | /* Return the maximum number of consecutive registers | |
1331 | needed to represent mode MODE in a register of class CLASS. | |
1332 | ||
cacf1ca8 MM |
1333 | On RS/6000, this is the size of MODE in words, except in the FP regs, where |
1334 | a single reg is enough for two words, unless we have VSX, where the FP | |
1335 | registers can hold 128 bits. */ | |
1336 | #define CLASS_MAX_NREGS(CLASS, MODE) rs6000_class_max_nregs[(MODE)][(CLASS)] | |
580d3230 | 1337 | |
f045b2c9 RS |
1338 | /* Stack layout; function entry, exit and calling. */ |
1339 | ||
1340 | /* Define this if pushing a word on the stack | |
1341 | makes the stack pointer a smaller address. */ | |
62f9f30b | 1342 | #define STACK_GROWS_DOWNWARD 1 |
f045b2c9 | 1343 | |
327e5343 FJ |
1344 | /* Offsets recorded in opcodes are a multiple of this alignment factor. */ |
1345 | #define DWARF_CIE_DATA_ALIGNMENT (-((int) (TARGET_32BIT ? 4 : 8))) | |
1346 | ||
a4d05547 | 1347 | /* Define this to nonzero if the nominal address of the stack frame |
f045b2c9 RS |
1348 | is at the high-address end of the local variables; |
1349 | that is, each additional local variable allocated | |
1350 | goes at a more negative offset in the frame. | |
1351 | ||
1352 | On the RS/6000, we grow upwards, from the area after the outgoing | |
1353 | arguments. */ | |
de5a5fa1 MP |
1354 | #define FRAME_GROWS_DOWNWARD (flag_stack_protect != 0 \ |
1355 | || (flag_sanitize & SANITIZE_ADDRESS) != 0) | |
f045b2c9 | 1356 | |
4697a36c | 1357 | /* Size of the fixed area on the stack */ |
9ebbca7d | 1358 | #define RS6000_SAVE_AREA \ |
b54214fe UW |
1359 | ((DEFAULT_ABI == ABI_V4 ? 8 : DEFAULT_ABI == ABI_ELFv2 ? 16 : 24) \ |
1360 | << (TARGET_64BIT ? 1 : 0)) | |
4697a36c | 1361 | |
b54214fe UW |
1362 | /* Stack offset for toc save slot. */ |
1363 | #define RS6000_TOC_SAVE_SLOT \ | |
1364 | ((DEFAULT_ABI == ABI_ELFv2 ? 12 : 20) << (TARGET_64BIT ? 1 : 0)) | |
b6c9286a | 1365 | |
4697a36c | 1366 | /* Align an address */ |
4f59f9f2 | 1367 | #define RS6000_ALIGN(n,a) ROUND_UP ((n), (a)) |
4697a36c | 1368 | |
f045b2c9 RS |
1369 | /* Offset within stack frame to start allocating local variables at. |
1370 | If FRAME_GROWS_DOWNWARD, this is the offset to the END of the | |
1371 | first local allocated. Otherwise, it is the offset to the BEGINNING | |
c81bebd7 | 1372 | of the first local allocated. |
f045b2c9 RS |
1373 | |
1374 | On the RS/6000, the frame pointer is the same as the stack pointer, | |
1375 | except for dynamic allocations. So we start after the fixed area and | |
a7790c71 DV |
1376 | outgoing parameter area. |
1377 | ||
1378 | If the function uses dynamic stack space (CALLS_ALLOCA is set), that | |
1379 | space needs to be aligned to STACK_BOUNDARY, i.e. the sum of the | |
1380 | sizes of the fixed area and the parameter area must be a multiple of | |
1381 | STACK_BOUNDARY. */ | |
f045b2c9 | 1382 | |
2a31c321 RS |
1383 | #define RS6000_STARTING_FRAME_OFFSET \ |
1384 | (cfun->calls_alloca \ | |
1385 | ? (RS6000_ALIGN (crtl->outgoing_args_size + RS6000_SAVE_AREA, \ | |
1386 | (TARGET_ALTIVEC || TARGET_VSX) ? 16 : 8 )) \ | |
1387 | : (RS6000_ALIGN (crtl->outgoing_args_size, \ | |
1388 | (TARGET_ALTIVEC || TARGET_VSX) ? 16 : 8) \ | |
1389 | + RS6000_SAVE_AREA)) | |
802a0058 MM |
1390 | |
1391 | /* Offset from the stack pointer register to an item dynamically | |
1392 | allocated on the stack, e.g., by `alloca'. | |
1393 | ||
1394 | The default value for this macro is `STACK_POINTER_OFFSET' plus the | |
1395 | length of the outgoing arguments. The default is correct for most | |
a7790c71 DV |
1396 | machines. See `function.c' for details. |
1397 | ||
1398 | This value must be a multiple of STACK_BOUNDARY (hard coded in | |
1399 | `emit-rtl.c'). */ | |
802a0058 | 1400 | #define STACK_DYNAMIC_OFFSET(FUNDECL) \ |
a20c5714 RS |
1401 | RS6000_ALIGN (crtl->outgoing_args_size.to_constant () \ |
1402 | + STACK_POINTER_OFFSET, \ | |
a7790c71 | 1403 | (TARGET_ALTIVEC || TARGET_VSX) ? 16 : 8) |
f045b2c9 RS |
1404 | |
1405 | /* If we generate an insn to push BYTES bytes, | |
1406 | this says how many the stack pointer really advances by. | |
1407 | On RS/6000, don't define this because there are no push insns. */ | |
1408 | /* #define PUSH_ROUNDING(BYTES) */ | |
1409 | ||
1410 | /* Offset of first parameter from the argument pointer register value. | |
1411 | On the RS/6000, we define the argument pointer to the start of the fixed | |
1412 | area. */ | |
4697a36c | 1413 | #define FIRST_PARM_OFFSET(FNDECL) RS6000_SAVE_AREA |
f045b2c9 | 1414 | |
62153b61 JM |
1415 | /* Offset from the argument pointer register value to the top of |
1416 | stack. This is different from FIRST_PARM_OFFSET because of the | |
1417 | register save area. */ | |
1418 | #define ARG_POINTER_CFA_OFFSET(FNDECL) 0 | |
1419 | ||
f045b2c9 RS |
1420 | /* Define this if stack space is still allocated for a parameter passed |
1421 | in a register. The value is the number of bytes allocated to this | |
1422 | area. */ | |
ddbb449f AM |
1423 | #define REG_PARM_STACK_SPACE(FNDECL) \ |
1424 | rs6000_reg_parm_stack_space ((FNDECL), false) | |
1425 | ||
1426 | /* Define this macro if space guaranteed when compiling a function body | |
1427 | is different to space required when making a call, a situation that | |
1428 | can arise with K&R style function definitions. */ | |
1429 | #define INCOMING_REG_PARM_STACK_SPACE(FNDECL) \ | |
1430 | rs6000_reg_parm_stack_space ((FNDECL), true) | |
f045b2c9 RS |
1431 | |
1432 | /* Define this if the above stack space is to be considered part of the | |
1433 | space allocated by the caller. */ | |
81464b2c | 1434 | #define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 1 |
f045b2c9 RS |
1435 | |
1436 | /* This is the difference between the logical top of stack and the actual sp. | |
1437 | ||
82e41834 | 1438 | For the RS/6000, sp points past the fixed area. */ |
4697a36c | 1439 | #define STACK_POINTER_OFFSET RS6000_SAVE_AREA |
f045b2c9 RS |
1440 | |
1441 | /* Define this if the maximum size of all the outgoing args is to be | |
1442 | accumulated and pushed during the prologue. The amount can be | |
38173d38 | 1443 | found in the variable crtl->outgoing_args_size. */ |
f73ad30e | 1444 | #define ACCUMULATE_OUTGOING_ARGS 1 |
f045b2c9 | 1445 | |
f045b2c9 RS |
1446 | /* Define how to find the value returned by a library function |
1447 | assuming the value has mode MODE. */ | |
1448 | ||
ded9bf77 | 1449 | #define LIBCALL_VALUE(MODE) rs6000_libcall_value ((MODE)) |
f045b2c9 | 1450 | |
6fa3f289 ZW |
1451 | /* DRAFT_V4_STRUCT_RET defaults off. */ |
1452 | #define DRAFT_V4_STRUCT_RET 0 | |
f607bc57 | 1453 | |
bd5bd7ac | 1454 | /* Let TARGET_RETURN_IN_MEMORY control what happens. */ |
f607bc57 | 1455 | #define DEFAULT_PCC_STRUCT_RETURN 0 |
f045b2c9 | 1456 | |
a260abc9 | 1457 | /* Mode of stack savearea. |
dfdfa60f DE |
1458 | FUNCTION is VOIDmode because calling convention maintains SP. |
1459 | BLOCK needs Pmode for SP. | |
a260abc9 DE |
1460 | NONLOCAL needs twice Pmode to maintain both backchain and SP. */ |
1461 | #define STACK_SAVEAREA_MODE(LEVEL) \ | |
dfdfa60f | 1462 | (LEVEL == SAVE_FUNCTION ? VOIDmode \ |
c6d5ff83 | 1463 | : LEVEL == SAVE_NONLOCAL ? (TARGET_32BIT ? DImode : PTImode) : Pmode) |
a260abc9 | 1464 | |
4697a36c MM |
1465 | /* Minimum and maximum general purpose registers used to hold arguments. */ |
1466 | #define GP_ARG_MIN_REG 3 | |
1467 | #define GP_ARG_MAX_REG 10 | |
1468 | #define GP_ARG_NUM_REG (GP_ARG_MAX_REG - GP_ARG_MIN_REG + 1) | |
1469 | ||
1470 | /* Minimum and maximum floating point registers used to hold arguments. */ | |
1471 | #define FP_ARG_MIN_REG 33 | |
7509c759 MM |
1472 | #define FP_ARG_AIX_MAX_REG 45 |
1473 | #define FP_ARG_V4_MAX_REG 40 | |
008e32c0 UW |
1474 | #define FP_ARG_MAX_REG (DEFAULT_ABI == ABI_V4 \ |
1475 | ? FP_ARG_V4_MAX_REG : FP_ARG_AIX_MAX_REG) | |
4697a36c MM |
1476 | #define FP_ARG_NUM_REG (FP_ARG_MAX_REG - FP_ARG_MIN_REG + 1) |
1477 | ||
0ac081f6 AH |
1478 | /* Minimum and maximum AltiVec registers used to hold arguments. */ |
1479 | #define ALTIVEC_ARG_MIN_REG (FIRST_ALTIVEC_REGNO + 2) | |
1480 | #define ALTIVEC_ARG_MAX_REG (ALTIVEC_ARG_MIN_REG + 11) | |
1481 | #define ALTIVEC_ARG_NUM_REG (ALTIVEC_ARG_MAX_REG - ALTIVEC_ARG_MIN_REG + 1) | |
1482 | ||
b54214fe UW |
1483 | /* Maximum number of registers per ELFv2 homogeneous aggregate argument. */ |
1484 | #define AGGR_ARG_NUM_REG 8 | |
1485 | ||
4697a36c MM |
1486 | /* Return registers */ |
1487 | #define GP_ARG_RETURN GP_ARG_MIN_REG | |
1488 | #define FP_ARG_RETURN FP_ARG_MIN_REG | |
0ac081f6 | 1489 | #define ALTIVEC_ARG_RETURN (FIRST_ALTIVEC_REGNO + 2) |
b54214fe UW |
1490 | #define FP_ARG_MAX_RETURN (DEFAULT_ABI != ABI_ELFv2 ? FP_ARG_RETURN \ |
1491 | : (FP_ARG_RETURN + AGGR_ARG_NUM_REG - 1)) | |
4304ccfd MM |
1492 | #define ALTIVEC_ARG_MAX_RETURN (DEFAULT_ABI != ABI_ELFv2 \ |
1493 | ? (ALTIVEC_ARG_RETURN \ | |
08213983 | 1494 | + (TARGET_FLOAT128_TYPE ? 1 : 0)) \ |
b54214fe | 1495 | : (ALTIVEC_ARG_RETURN + AGGR_ARG_NUM_REG - 1)) |
4697a36c | 1496 | |
7509c759 | 1497 | /* Flags for the call/call_value rtl operations set up by function_arg */ |
6a4cee5f | 1498 | #define CALL_NORMAL 0x00000000 /* no special processing */ |
9ebbca7d | 1499 | /* Bits in 0x00000001 are unused. */ |
6a4cee5f MM |
1500 | #define CALL_V4_CLEAR_FP_ARGS 0x00000002 /* V.4, no FP args passed */ |
1501 | #define CALL_V4_SET_FP_ARGS 0x00000004 /* V.4, FP args were passed */ | |
1502 | #define CALL_LONG 0x00000008 /* always call indirect */ | |
b9599e46 | 1503 | #define CALL_LIBCALL 0x00000010 /* libcall */ |
7509c759 | 1504 | |
f57fe068 AM |
1505 | /* We don't have prologue and epilogue functions to save/restore |
1506 | everything for most ABIs. */ | |
1507 | #define WORLD_SAVE_P(INFO) 0 | |
1508 | ||
f045b2c9 RS |
1509 | /* 1 if N is a possible register number for a function value |
1510 | as seen by the caller. | |
1511 | ||
0ac081f6 | 1512 | On RS/6000, this is r3, fp1, and v2 (for AltiVec). */ |
e87a88d3 AM |
1513 | #define FUNCTION_VALUE_REGNO_P(N) \ |
1514 | ((N) == GP_ARG_RETURN \ | |
202687fb | 1515 | || (IN_RANGE ((N), FP_ARG_RETURN, FP_ARG_MAX_RETURN) \ |
11d8d07e | 1516 | && TARGET_HARD_FLOAT) \ |
202687fb | 1517 | || (IN_RANGE ((N), ALTIVEC_ARG_RETURN, ALTIVEC_ARG_MAX_RETURN) \ |
b54214fe | 1518 | && TARGET_ALTIVEC && TARGET_ALTIVEC_ABI)) |
f045b2c9 RS |
1519 | |
1520 | /* 1 if N is a possible register number for function argument passing. | |
0ac081f6 AH |
1521 | On RS/6000, these are r3-r10 and fp1-fp13. |
1522 | On AltiVec, v2 - v13 are used for passing vectors. */ | |
4697a36c | 1523 | #define FUNCTION_ARG_REGNO_P(N) \ |
202687fb MM |
1524 | (IN_RANGE ((N), GP_ARG_MIN_REG, GP_ARG_MAX_REG) \ |
1525 | || (IN_RANGE ((N), ALTIVEC_ARG_MIN_REG, ALTIVEC_ARG_MAX_REG) \ | |
44688022 | 1526 | && TARGET_ALTIVEC && TARGET_ALTIVEC_ABI) \ |
202687fb | 1527 | || (IN_RANGE ((N), FP_ARG_MIN_REG, FP_ARG_MAX_REG) \ |
11d8d07e | 1528 | && TARGET_HARD_FLOAT)) |
f045b2c9 RS |
1529 | \f |
1530 | /* Define a data type for recording info about an argument list | |
1531 | during the scan of that argument list. This data type should | |
1532 | hold all necessary information about the function itself | |
1533 | and about the args processed so far, enough to enable macros | |
1534 | such as FUNCTION_ARG to determine where the next arg should go. | |
1535 | ||
1536 | On the RS/6000, this is a structure. The first element is the number of | |
1537 | total argument words, the second is used to store the next | |
1538 | floating-point register number, and the third says how many more args we | |
4697a36c MM |
1539 | have prototype types for. |
1540 | ||
4cc833b7 | 1541 | For ABI_V4, we treat these slightly differently -- `sysv_gregno' is |
07488f32 | 1542 | the next available GP register, `fregno' is the next available FP |
4cc833b7 RH |
1543 | register, and `words' is the number of words used on the stack. |
1544 | ||
bd227acc | 1545 | The varargs/stdarg support requires that this structure's size |
4cc833b7 | 1546 | be a multiple of sizeof(int). */ |
4697a36c MM |
1547 | |
1548 | typedef struct rs6000_args | |
1549 | { | |
4cc833b7 | 1550 | int words; /* # words used for passing GP registers */ |
6a4cee5f | 1551 | int fregno; /* next available FP register */ |
0ac081f6 | 1552 | int vregno; /* next available AltiVec register */ |
6a4cee5f | 1553 | int nargs_prototype; /* # args left in the current prototype */ |
6a4cee5f | 1554 | int prototype; /* Whether a prototype was defined */ |
a6c9bed4 | 1555 | int stdarg; /* Whether function is a stdarg function. */ |
6a4cee5f | 1556 | int call_cookie; /* Do special things for this call */ |
4cc833b7 | 1557 | int sysv_gregno; /* next available GP register */ |
0b5383eb DJ |
1558 | int intoffset; /* running offset in struct (darwin64) */ |
1559 | int use_stack; /* any part of struct on stack (darwin64) */ | |
a9ab25e2 IS |
1560 | int floats_in_gpr; /* count of SFmode floats taking up |
1561 | GPR space (darwin64) */ | |
0b5383eb | 1562 | int named; /* false for varargs params */ |
617718f7 | 1563 | int escapes; /* if function visible outside tu */ |
bdb60a10 | 1564 | int libcall; /* If this is a compiler generated call. */ |
4697a36c | 1565 | } CUMULATIVE_ARGS; |
f045b2c9 | 1566 | |
f045b2c9 RS |
1567 | /* Initialize a variable CUM of type CUMULATIVE_ARGS |
1568 | for a call to a function whose data type is FNTYPE. | |
1569 | For a library call, FNTYPE is 0. */ | |
1570 | ||
617718f7 AM |
1571 | #define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, FNDECL, N_NAMED_ARGS) \ |
1572 | init_cumulative_args (&CUM, FNTYPE, LIBNAME, FALSE, FALSE, \ | |
1573 | N_NAMED_ARGS, FNDECL, VOIDmode) | |
f045b2c9 RS |
1574 | |
1575 | /* Similar, but when scanning the definition of a procedure. We always | |
1576 | set NARGS_PROTOTYPE large so we never return an EXPR_LIST. */ | |
1577 | ||
0f6937fe | 1578 | #define INIT_CUMULATIVE_INCOMING_ARGS(CUM, FNTYPE, LIBNAME) \ |
617718f7 AM |
1579 | init_cumulative_args (&CUM, FNTYPE, LIBNAME, TRUE, FALSE, \ |
1580 | 1000, current_function_decl, VOIDmode) | |
b9599e46 FS |
1581 | |
1582 | /* Like INIT_CUMULATIVE_ARGS' but only used for outgoing libcalls. */ | |
1583 | ||
1584 | #define INIT_CUMULATIVE_LIBCALL_ARGS(CUM, MODE, LIBNAME) \ | |
617718f7 AM |
1585 | init_cumulative_args (&CUM, NULL_TREE, LIBNAME, FALSE, TRUE, \ |
1586 | 0, NULL_TREE, MODE) | |
f045b2c9 | 1587 | |
6e985040 | 1588 | #define PAD_VARARGS_DOWN \ |
76b0cbf8 | 1589 | (targetm.calls.function_arg_padding (TYPE_MODE (type), type) == PAD_DOWNWARD) |
2a55fd42 | 1590 | |
f045b2c9 | 1591 | /* Output assembler code to FILE to increment profiler label # LABELNO |
58a39e45 | 1592 | for profiling a function entry. */ |
f045b2c9 RS |
1593 | |
1594 | #define FUNCTION_PROFILER(FILE, LABELNO) \ | |
58a39e45 | 1595 | output_function_profiler ((FILE), (LABELNO)); |
f045b2c9 RS |
1596 | |
1597 | /* EXIT_IGNORE_STACK should be nonzero if, when returning from a function, | |
1598 | the stack pointer does not matter. No definition is equivalent to | |
1599 | always zero. | |
1600 | ||
a0ab749a | 1601 | On the RS/6000, this is nonzero because we can restore the stack from |
f045b2c9 RS |
1602 | its backpointer, which we maintain. */ |
1603 | #define EXIT_IGNORE_STACK 1 | |
1604 | ||
a701949a FS |
1605 | /* Define this macro as a C expression that is nonzero for registers |
1606 | that are used by the epilogue or the return' pattern. The stack | |
1607 | and frame pointer registers are already be assumed to be used as | |
1608 | needed. */ | |
1609 | ||
83720594 | 1610 | #define EPILOGUE_USES(REGNO) \ |
1de43f85 | 1611 | ((reload_completed && (REGNO) == LR_REGNO) \ |
b1765bde | 1612 | || (TARGET_ALTIVEC && (REGNO) == VRSAVE_REGNO) \ |
cacf1ca8 | 1613 | || (crtl->calls_eh_return \ |
3553b09d | 1614 | && TARGET_AIX \ |
ff3867ae | 1615 | && (REGNO) == 2)) |
2bfcf297 | 1616 | |
f045b2c9 | 1617 | \f |
f045b2c9 RS |
1618 | /* Length in units of the trampoline for entering a nested function. */ |
1619 | ||
b6c9286a | 1620 | #define TRAMPOLINE_SIZE rs6000_trampoline_size () |
f045b2c9 | 1621 | \f |
f33985c6 | 1622 | /* Definitions for __builtin_return_address and __builtin_frame_address. |
893fc0a0 | 1623 | __builtin_return_address (0) should give link register (LR_REGNO), enable |
82e41834 | 1624 | this. */ |
f33985c6 MS |
1625 | /* This should be uncommented, so that the link register is used, but |
1626 | currently this would result in unmatched insns and spilling fixed | |
1627 | registers so we'll leave it for another day. When these problems are | |
1628 | taken care of one additional fetch will be necessary in RETURN_ADDR_RTX. | |
1629 | (mrs) */ | |
1630 | /* #define RETURN_ADDR_IN_PREVIOUS_FRAME */ | |
f09d4c33 | 1631 | |
b6c9286a MM |
1632 | /* Number of bytes into the frame return addresses can be found. See |
1633 | rs6000_stack_info in rs6000.c for more information on how the different | |
1634 | abi's store the return address. */ | |
008e32c0 UW |
1635 | #define RETURN_ADDRESS_OFFSET \ |
1636 | ((DEFAULT_ABI == ABI_V4 ? 4 : 8) << (TARGET_64BIT ? 1 : 0)) | |
f09d4c33 | 1637 | |
f33985c6 MS |
1638 | /* The current return address is in link register (65). The return address |
1639 | of anything farther back is accessed normally at an offset of 8 from the | |
1640 | frame pointer. */ | |
71f123ca FS |
1641 | #define RETURN_ADDR_RTX(COUNT, FRAME) \ |
1642 | (rs6000_return_addr (COUNT, FRAME)) | |
1643 | ||
f33985c6 | 1644 | \f |
f045b2c9 RS |
1645 | /* Definitions for register eliminations. |
1646 | ||
1647 | We have two registers that can be eliminated on the RS/6000. First, the | |
1648 | frame pointer register can often be eliminated in favor of the stack | |
1649 | pointer register. Secondly, the argument pointer register can always be | |
642a35f1 JW |
1650 | eliminated; it is replaced with either the stack or frame pointer. |
1651 | ||
1652 | In addition, we use the elimination mechanism to see if r30 is needed | |
1653 | Initially we assume that it isn't. If it is, we spill it. This is done | |
1654 | by making it an eliminable register. We replace it with itself so that | |
1655 | if it isn't needed, then existing uses won't be modified. */ | |
f045b2c9 RS |
1656 | |
1657 | /* This is an array of structures. Each structure initializes one pair | |
1658 | of eliminable registers. The "from" register number is given first, | |
1659 | followed by "to". Eliminations of the same "from" register are listed | |
1660 | in order of preference. */ | |
7d5175e1 JJ |
1661 | #define ELIMINABLE_REGS \ |
1662 | {{ HARD_FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ | |
1663 | { FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ | |
1664 | { FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \ | |
1665 | { ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ | |
1666 | { ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \ | |
97b23853 | 1667 | { RS6000_PIC_OFFSET_TABLE_REGNUM, RS6000_PIC_OFFSET_TABLE_REGNUM } } |
f045b2c9 | 1668 | |
f045b2c9 RS |
1669 | /* Define the offset between two registers, one to be eliminated, and the other |
1670 | its replacement, at the start of a routine. */ | |
d1d0c603 JJ |
1671 | #define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \ |
1672 | ((OFFSET) = rs6000_initial_elimination_offset(FROM, TO)) | |
f045b2c9 RS |
1673 | \f |
1674 | /* Addressing modes, and classification of registers for them. */ | |
1675 | ||
940da324 JL |
1676 | #define HAVE_PRE_DECREMENT 1 |
1677 | #define HAVE_PRE_INCREMENT 1 | |
6fb5fa3c DB |
1678 | #define HAVE_PRE_MODIFY_DISP 1 |
1679 | #define HAVE_PRE_MODIFY_REG 1 | |
f045b2c9 RS |
1680 | |
1681 | /* Macros to check register numbers against specific register classes. */ | |
1682 | ||
1683 | /* These assume that REGNO is a hard or pseudo reg number. | |
1684 | They give nonzero only if REGNO is a hard reg of the suitable class | |
1685 | or a pseudo reg currently allocated to a suitable hard reg. | |
1686 | Since they use reg_renumber, they are safe only once reg_renumber | |
aeb9f7cf SB |
1687 | has been allocated, which happens in reginfo.c during register |
1688 | allocation. */ | |
f045b2c9 RS |
1689 | |
1690 | #define REGNO_OK_FOR_INDEX_P(REGNO) \ | |
1691 | ((REGNO) < FIRST_PSEUDO_REGISTER \ | |
1692 | ? (REGNO) <= 31 || (REGNO) == 67 \ | |
7d5175e1 | 1693 | || (REGNO) == FRAME_POINTER_REGNUM \ |
f045b2c9 | 1694 | : (reg_renumber[REGNO] >= 0 \ |
7d5175e1 JJ |
1695 | && (reg_renumber[REGNO] <= 31 || reg_renumber[REGNO] == 67 \ |
1696 | || reg_renumber[REGNO] == FRAME_POINTER_REGNUM))) | |
f045b2c9 RS |
1697 | |
1698 | #define REGNO_OK_FOR_BASE_P(REGNO) \ | |
1699 | ((REGNO) < FIRST_PSEUDO_REGISTER \ | |
1700 | ? ((REGNO) > 0 && (REGNO) <= 31) || (REGNO) == 67 \ | |
7d5175e1 | 1701 | || (REGNO) == FRAME_POINTER_REGNUM \ |
f045b2c9 | 1702 | : (reg_renumber[REGNO] > 0 \ |
7d5175e1 JJ |
1703 | && (reg_renumber[REGNO] <= 31 || reg_renumber[REGNO] == 67 \ |
1704 | || reg_renumber[REGNO] == FRAME_POINTER_REGNUM))) | |
c6c3dba9 PB |
1705 | |
1706 | /* Nonzero if X is a hard reg that can be used as an index | |
1707 | or if it is a pseudo reg in the non-strict case. */ | |
1708 | #define INT_REG_OK_FOR_INDEX_P(X, STRICT) \ | |
1709 | ((!(STRICT) && REGNO (X) >= FIRST_PSEUDO_REGISTER) \ | |
1710 | || REGNO_OK_FOR_INDEX_P (REGNO (X))) | |
1711 | ||
1712 | /* Nonzero if X is a hard reg that can be used as a base reg | |
1713 | or if it is a pseudo reg in the non-strict case. */ | |
1714 | #define INT_REG_OK_FOR_BASE_P(X, STRICT) \ | |
1715 | ((!(STRICT) && REGNO (X) >= FIRST_PSEUDO_REGISTER) \ | |
1716 | || REGNO_OK_FOR_BASE_P (REGNO (X))) | |
1717 | ||
f045b2c9 RS |
1718 | \f |
1719 | /* Maximum number of registers that can appear in a valid memory address. */ | |
1720 | ||
1721 | #define MAX_REGS_PER_ADDRESS 2 | |
1722 | ||
1723 | /* Recognize any constant value that is a valid address. */ | |
1724 | ||
6eff269e BK |
1725 | #define CONSTANT_ADDRESS_P(X) \ |
1726 | (GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF \ | |
1727 | || GET_CODE (X) == CONST_INT || GET_CODE (X) == CONST \ | |
1728 | || GET_CODE (X) == HIGH) | |
f045b2c9 | 1729 | |
48d72335 | 1730 | #define EASY_VECTOR_15(n) ((n) >= -16 && (n) <= 15) |
66180ff3 | 1731 | #define EASY_VECTOR_15_ADD_SELF(n) (!EASY_VECTOR_15((n)) \ |
76492753 PB |
1732 | && EASY_VECTOR_15((n) >> 1) \ |
1733 | && ((n) & 1) == 0) | |
48d72335 | 1734 | |
29e6733c | 1735 | #define EASY_VECTOR_MSB(n,mode) \ |
683be46f | 1736 | ((((unsigned HOST_WIDE_INT) (n)) & GET_MODE_MASK (mode)) == \ |
29e6733c MM |
1737 | ((((unsigned HOST_WIDE_INT)GET_MODE_MASK (mode)) + 1) >> 1)) |
1738 | ||
f045b2c9 | 1739 | \f |
a260abc9 DE |
1740 | /* Try a machine-dependent way of reloading an illegitimate address |
1741 | operand. If we find one, push the reload and jump to WIN. This | |
1742 | macro is used in only one place: `find_reloads_address' in reload.c. | |
1743 | ||
f676971a | 1744 | Implemented on rs6000 by rs6000_legitimize_reload_address. |
24ea750e | 1745 | Note that (X) is evaluated twice; this is safe in current usage. */ |
f676971a | 1746 | |
a9098fd0 GK |
1747 | #define LEGITIMIZE_RELOAD_ADDRESS(X,MODE,OPNUM,TYPE,IND_LEVELS,WIN) \ |
1748 | do { \ | |
24ea750e | 1749 | int win; \ |
8beb65e3 | 1750 | (X) = rs6000_legitimize_reload_address_ptr ((X), (MODE), (OPNUM), \ |
24ea750e DJ |
1751 | (int)(TYPE), (IND_LEVELS), &win); \ |
1752 | if ( win ) \ | |
1753 | goto WIN; \ | |
a260abc9 DE |
1754 | } while (0) |
1755 | ||
944258eb | 1756 | #define FIND_BASE_TERM rs6000_find_base_term |
766a866c MM |
1757 | \f |
1758 | /* The register number of the register used to address a table of | |
1759 | static data addresses in memory. In some cases this register is | |
1760 | defined by a processor's "application binary interface" (ABI). | |
1761 | When this macro is defined, RTL is generated for this register | |
1762 | once, as with the stack pointer and frame pointer registers. If | |
1763 | this macro is not defined, it is up to the machine-dependent files | |
1764 | to allocate such a register (if necessary). */ | |
1765 | ||
1db02437 | 1766 | #define RS6000_PIC_OFFSET_TABLE_REGNUM 30 |
24f77f59 AM |
1767 | #define PIC_OFFSET_TABLE_REGNUM \ |
1768 | (TARGET_TOC ? TOC_REGISTER \ | |
1769 | : flag_pic ? RS6000_PIC_OFFSET_TABLE_REGNUM \ | |
1770 | : INVALID_REGNUM) | |
766a866c | 1771 | |
97b23853 | 1772 | #define TOC_REGISTER (TARGET_MINIMAL_TOC ? RS6000_PIC_OFFSET_TABLE_REGNUM : 2) |
9ebbca7d | 1773 | |
766a866c MM |
1774 | /* Define this macro if the register defined by |
1775 | `PIC_OFFSET_TABLE_REGNUM' is clobbered by calls. Do not define | |
089a05b8 | 1776 | this macro if `PIC_OFFSET_TABLE_REGNUM' is not defined. */ |
766a866c MM |
1777 | |
1778 | /* #define PIC_OFFSET_TABLE_REG_CALL_CLOBBERED */ | |
1779 | ||
766a866c MM |
1780 | /* A C expression that is nonzero if X is a legitimate immediate |
1781 | operand on the target machine when generating position independent | |
1782 | code. You can assume that X satisfies `CONSTANT_P', so you need | |
1783 | not check this. You can also assume FLAG_PIC is true, so you need | |
1784 | not check it either. You need not define this macro if all | |
1785 | constants (including `SYMBOL_REF') can be immediate operands when | |
1786 | generating position independent code. */ | |
1787 | ||
1788 | /* #define LEGITIMATE_PIC_OPERAND_P (X) */ | |
f045b2c9 | 1789 | \f |
f045b2c9 RS |
1790 | /* Specify the machine mode that this machine uses |
1791 | for the index in the tablejump instruction. */ | |
e1565e65 | 1792 | #define CASE_VECTOR_MODE SImode |
f045b2c9 | 1793 | |
18543a22 ILT |
1794 | /* Define as C expression which evaluates to nonzero if the tablejump |
1795 | instruction expects the table to contain offsets from the address of the | |
1796 | table. | |
82e41834 | 1797 | Do not define this if the table should contain absolute addresses. */ |
18543a22 | 1798 | #define CASE_VECTOR_PC_RELATIVE 1 |
f045b2c9 | 1799 | |
f045b2c9 RS |
1800 | /* Define this as 1 if `char' should by default be signed; else as 0. */ |
1801 | #define DEFAULT_SIGNED_CHAR 0 | |
1802 | ||
c1618c0c DE |
1803 | /* An integer expression for the size in bits of the largest integer machine |
1804 | mode that should actually be used. */ | |
1805 | ||
1806 | /* Allow pairs of registers to be used, which is the intent of the default. */ | |
1807 | #define MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (TARGET_POWERPC64 ? TImode : DImode) | |
1808 | ||
f045b2c9 RS |
1809 | /* Max number of bytes we can move from memory to memory |
1810 | in one reasonably fast instruction. */ | |
2f3e5814 | 1811 | #define MOVE_MAX (! TARGET_POWERPC64 ? 4 : 8) |
7e69e155 | 1812 | #define MAX_MOVE_MAX 8 |
f045b2c9 RS |
1813 | |
1814 | /* Nonzero if access to memory by bytes is no faster than for words. | |
a0ab749a | 1815 | Also nonzero if doing byte operations (specifically shifts) in registers |
f045b2c9 RS |
1816 | is undesirable. */ |
1817 | #define SLOW_BYTE_ACCESS 1 | |
1818 | ||
9a63901f RK |
1819 | /* Define if loading in MODE, an integral mode narrower than BITS_PER_WORD |
1820 | will either zero-extend or sign-extend. The value of this macro should | |
1821 | be the code that says which one of the two operations is implicitly | |
f822d252 | 1822 | done, UNKNOWN if none. */ |
9a63901f | 1823 | #define LOAD_EXTEND_OP(MODE) ZERO_EXTEND |
225211e2 RK |
1824 | |
1825 | /* Define if loading short immediate values into registers sign extends. */ | |
58f2ae18 | 1826 | #define SHORT_IMMEDIATES_SIGN_EXTEND 1 |
fdaff8ba | 1827 | \f |
94993909 | 1828 | /* The cntlzw and cntlzd instructions return 32 and 64 for input of zero. */ |
d865b122 | 1829 | #define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) \ |
bb0f9c02 | 1830 | ((VALUE) = GET_MODE_BITSIZE (MODE), 2) |
d865b122 | 1831 | |
0299bc72 | 1832 | /* The CTZ patterns that are implemented in terms of CLZ return -1 for input of |
bb0f9c02 SB |
1833 | zero. The hardware instructions added in Power9 and the sequences using |
1834 | popcount return 32 or 64. */ | |
0299bc72 | 1835 | #define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) \ |
bb0f9c02 SB |
1836 | (TARGET_CTZ || TARGET_POPCNTD \ |
1837 | ? ((VALUE) = GET_MODE_BITSIZE (MODE), 2) \ | |
1838 | : ((VALUE) = -1, 2)) | |
94993909 | 1839 | |
f045b2c9 RS |
1840 | /* Specify the machine mode that pointers have. |
1841 | After generation of rtl, the compiler makes no further distinction | |
1842 | between pointers and any other objects of this machine mode. */ | |
501623d4 RS |
1843 | extern scalar_int_mode rs6000_pmode; |
1844 | #define Pmode rs6000_pmode | |
f045b2c9 | 1845 | |
a3c9585f | 1846 | /* Supply definition of STACK_SIZE_MODE for allocate_dynamic_stack_space. */ |
4c81e946 FJ |
1847 | #define STACK_SIZE_MODE (TARGET_32BIT ? SImode : DImode) |
1848 | ||
f045b2c9 | 1849 | /* Mode of a function address in a call instruction (for indexing purposes). |
f045b2c9 | 1850 | Doesn't matter on RS/6000. */ |
5b71a4e7 | 1851 | #define FUNCTION_MODE SImode |
f045b2c9 RS |
1852 | |
1853 | /* Define this if addresses of constant functions | |
1854 | shouldn't be put through pseudo regs where they can be cse'd. | |
1855 | Desirable on machines where ordinary constants are expensive | |
1856 | but a CALL with constant address is cheap. */ | |
1e8552c2 | 1857 | #define NO_FUNCTION_CSE 1 |
f045b2c9 | 1858 | |
d969caf8 | 1859 | /* Define this to be nonzero if shift instructions ignore all but the low-order |
6febd581 RK |
1860 | few bits. |
1861 | ||
1862 | The sle and sre instructions which allow SHIFT_COUNT_TRUNCATED | |
1863 | have been dropped from the PowerPC architecture. */ | |
c28a7c24 | 1864 | #define SHIFT_COUNT_TRUNCATED 0 |
f045b2c9 | 1865 | |
f045b2c9 RS |
1866 | /* Adjust the length of an INSN. LENGTH is the currently-computed length and |
1867 | should be adjusted to reflect any required changes. This macro is used when | |
1868 | there is some systematic length adjustment required that would be difficult | |
1869 | to express in the length attribute. */ | |
1870 | ||
1871 | /* #define ADJUST_INSN_LENGTH(X,LENGTH) */ | |
1872 | ||
39a10a29 GK |
1873 | /* Given a comparison code (EQ, NE, etc.) and the first operand of a |
1874 | COMPARE, return the mode to be used for the comparison. For | |
1875 | floating-point, CCFPmode should be used. CCUNSmode should be used | |
1876 | for unsigned comparisons. CCEQmode should be used when we are | |
1877 | doing an inequality comparison on the result of a | |
1878 | comparison. CCmode should be used in all other cases. */ | |
c5defebb | 1879 | |
b565a316 | 1880 | #define SELECT_CC_MODE(OP,X,Y) \ |
ebb109ad | 1881 | (SCALAR_FLOAT_MODE_P (GET_MODE (X)) ? CCFPmode \ |
c5defebb | 1882 | : (OP) == GTU || (OP) == LTU || (OP) == GEU || (OP) == LEU ? CCUNSmode \ |
ec8e098d | 1883 | : (((OP) == EQ || (OP) == NE) && COMPARISON_P (X) \ |
c5defebb | 1884 | ? CCEQmode : CCmode)) |
f045b2c9 | 1885 | |
b39358e1 GK |
1886 | /* Can the condition code MODE be safely reversed? This is safe in |
1887 | all cases on this port, because at present it doesn't use the | |
1888 | trapping FP comparisons (fcmpo). */ | |
1889 | #define REVERSIBLE_CC_MODE(MODE) 1 | |
1890 | ||
1891 | /* Given a condition code and a mode, return the inverse condition. */ | |
1892 | #define REVERSE_CONDITION(CODE, MODE) rs6000_reverse_condition (MODE, CODE) | |
1893 | ||
d9664254 SB |
1894 | \f |
1895 | /* Target cpu costs. */ | |
1896 | ||
1897 | struct processor_costs { | |
1898 | const int mulsi; /* cost of SImode multiplication. */ | |
1899 | const int mulsi_const; /* cost of SImode multiplication by constant. */ | |
1900 | const int mulsi_const9; /* cost of SImode mult by short constant. */ | |
1901 | const int muldi; /* cost of DImode multiplication. */ | |
1902 | const int divsi; /* cost of SImode division. */ | |
1903 | const int divdi; /* cost of DImode division. */ | |
1904 | const int fp; /* cost of simple SFmode and DFmode insns. */ | |
1905 | const int dmul; /* cost of DFmode multiplication (and fmadd). */ | |
1906 | const int sdiv; /* cost of SFmode division (fdivs). */ | |
1907 | const int ddiv; /* cost of DFmode division (fdiv). */ | |
1908 | const int cache_line_size; /* cache line size in bytes. */ | |
1909 | const int l1_cache_size; /* size of l1 cache, in kilobytes. */ | |
1910 | const int l2_cache_size; /* size of l2 cache, in kilobytes. */ | |
1911 | const int simultaneous_prefetches; /* number of parallel prefetch | |
1912 | operations. */ | |
1913 | const int sfdf_convert; /* cost of SF->DF conversion. */ | |
1914 | }; | |
1915 | ||
1916 | extern const struct processor_costs *rs6000_cost; | |
f045b2c9 RS |
1917 | \f |
1918 | /* Control the assembler format that we output. */ | |
1919 | ||
1b279f39 DE |
1920 | /* A C string constant describing how to begin a comment in the target |
1921 | assembler language. The compiler assumes that the comment will end at | |
1922 | the end of the line. */ | |
1923 | #define ASM_COMMENT_START " #" | |
6b67933e | 1924 | |
38c1f2d7 MM |
1925 | /* Flag to say the TOC is initialized */ |
1926 | extern int toc_initialized; | |
1927 | ||
f045b2c9 RS |
1928 | /* Macro to output a special constant pool entry. Go to WIN if we output |
1929 | it. Otherwise, it is written the usual way. | |
1930 | ||
1931 | On the RS/6000, toc entries are handled this way. */ | |
1932 | ||
a9098fd0 GK |
1933 | #define ASM_OUTPUT_SPECIAL_POOL_ENTRY(FILE, X, MODE, ALIGN, LABELNO, WIN) \ |
1934 | { if (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P (X, MODE)) \ | |
1935 | { \ | |
1936 | output_toc (FILE, X, LABELNO, MODE); \ | |
1937 | goto WIN; \ | |
1938 | } \ | |
f045b2c9 RS |
1939 | } |
1940 | ||
ebd97b96 DE |
1941 | #ifdef HAVE_GAS_WEAK |
1942 | #define RS6000_WEAK 1 | |
1943 | #else | |
1944 | #define RS6000_WEAK 0 | |
1945 | #endif | |
290ad355 | 1946 | |
79c4e63f AM |
1947 | #if RS6000_WEAK |
1948 | /* Used in lieu of ASM_WEAKEN_LABEL. */ | |
8d91472f DE |
1949 | #define ASM_WEAKEN_DECL(FILE, DECL, NAME, VAL) \ |
1950 | rs6000_asm_weaken_decl ((FILE), (DECL), (NAME), (VAL)) | |
79c4e63f AM |
1951 | #endif |
1952 | ||
ff2d10c1 AO |
1953 | #if HAVE_GAS_WEAKREF |
1954 | #define ASM_OUTPUT_WEAKREF(FILE, DECL, NAME, VALUE) \ | |
1955 | do \ | |
1956 | { \ | |
1957 | fputs ("\t.weakref\t", (FILE)); \ | |
1958 | RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \ | |
1959 | fputs (", ", (FILE)); \ | |
1960 | RS6000_OUTPUT_BASENAME ((FILE), (VALUE)); \ | |
1961 | if ((DECL) && TREE_CODE (DECL) == FUNCTION_DECL \ | |
1962 | && DEFAULT_ABI == ABI_AIX && DOT_SYMBOLS) \ | |
1963 | { \ | |
1964 | fputs ("\n\t.weakref\t.", (FILE)); \ | |
1965 | RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \ | |
1966 | fputs (", .", (FILE)); \ | |
1967 | RS6000_OUTPUT_BASENAME ((FILE), (VALUE)); \ | |
1968 | } \ | |
1969 | fputc ('\n', (FILE)); \ | |
1970 | } while (0) | |
1971 | #endif | |
1972 | ||
79c4e63f AM |
1973 | /* This implements the `alias' attribute. */ |
1974 | #undef ASM_OUTPUT_DEF_FROM_DECLS | |
1975 | #define ASM_OUTPUT_DEF_FROM_DECLS(FILE, DECL, TARGET) \ | |
1976 | do \ | |
1977 | { \ | |
1978 | const char *alias = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \ | |
1979 | const char *name = IDENTIFIER_POINTER (TARGET); \ | |
1980 | if (TREE_CODE (DECL) == FUNCTION_DECL \ | |
85b776df | 1981 | && DEFAULT_ABI == ABI_AIX && DOT_SYMBOLS) \ |
79c4e63f AM |
1982 | { \ |
1983 | if (TREE_PUBLIC (DECL)) \ | |
1984 | { \ | |
1985 | if (!RS6000_WEAK || !DECL_WEAK (DECL)) \ | |
1986 | { \ | |
1987 | fputs ("\t.globl\t.", FILE); \ | |
cbaaba19 | 1988 | RS6000_OUTPUT_BASENAME (FILE, alias); \ |
79c4e63f AM |
1989 | putc ('\n', FILE); \ |
1990 | } \ | |
1991 | } \ | |
1992 | else if (TARGET_XCOFF) \ | |
1993 | { \ | |
c167bc5b DE |
1994 | if (!RS6000_WEAK || !DECL_WEAK (DECL)) \ |
1995 | { \ | |
1996 | fputs ("\t.lglobl\t.", FILE); \ | |
1997 | RS6000_OUTPUT_BASENAME (FILE, alias); \ | |
1998 | putc ('\n', FILE); \ | |
1999 | fputs ("\t.lglobl\t", FILE); \ | |
2000 | RS6000_OUTPUT_BASENAME (FILE, alias); \ | |
2001 | putc ('\n', FILE); \ | |
2002 | } \ | |
79c4e63f AM |
2003 | } \ |
2004 | fputs ("\t.set\t.", FILE); \ | |
cbaaba19 | 2005 | RS6000_OUTPUT_BASENAME (FILE, alias); \ |
79c4e63f | 2006 | fputs (",.", FILE); \ |
cbaaba19 | 2007 | RS6000_OUTPUT_BASENAME (FILE, name); \ |
79c4e63f AM |
2008 | fputc ('\n', FILE); \ |
2009 | } \ | |
2010 | ASM_OUTPUT_DEF (FILE, alias, name); \ | |
2011 | } \ | |
2012 | while (0) | |
290ad355 | 2013 | |
1bc7c5b6 ZW |
2014 | #define TARGET_ASM_FILE_START rs6000_file_start |
2015 | ||
f045b2c9 RS |
2016 | /* Output to assembler file text saying following lines |
2017 | may contain character constants, extra white space, comments, etc. */ | |
2018 | ||
2019 | #define ASM_APP_ON "" | |
2020 | ||
2021 | /* Output to assembler file text saying following lines | |
2022 | no longer contain unusual constructs. */ | |
2023 | ||
2024 | #define ASM_APP_OFF "" | |
2025 | ||
f045b2c9 RS |
2026 | /* How to refer to registers in assembler output. |
2027 | This sequence is indexed by compiler's hard-register-number (see above). */ | |
2028 | ||
82e41834 | 2029 | extern char rs6000_reg_names[][8]; /* register names (0 vs. %r0). */ |
c81bebd7 MM |
2030 | |
2031 | #define REGISTER_NAMES \ | |
2032 | { \ | |
2033 | &rs6000_reg_names[ 0][0], /* r0 */ \ | |
2034 | &rs6000_reg_names[ 1][0], /* r1 */ \ | |
2035 | &rs6000_reg_names[ 2][0], /* r2 */ \ | |
2036 | &rs6000_reg_names[ 3][0], /* r3 */ \ | |
2037 | &rs6000_reg_names[ 4][0], /* r4 */ \ | |
2038 | &rs6000_reg_names[ 5][0], /* r5 */ \ | |
2039 | &rs6000_reg_names[ 6][0], /* r6 */ \ | |
2040 | &rs6000_reg_names[ 7][0], /* r7 */ \ | |
2041 | &rs6000_reg_names[ 8][0], /* r8 */ \ | |
2042 | &rs6000_reg_names[ 9][0], /* r9 */ \ | |
2043 | &rs6000_reg_names[10][0], /* r10 */ \ | |
2044 | &rs6000_reg_names[11][0], /* r11 */ \ | |
2045 | &rs6000_reg_names[12][0], /* r12 */ \ | |
2046 | &rs6000_reg_names[13][0], /* r13 */ \ | |
2047 | &rs6000_reg_names[14][0], /* r14 */ \ | |
2048 | &rs6000_reg_names[15][0], /* r15 */ \ | |
2049 | &rs6000_reg_names[16][0], /* r16 */ \ | |
2050 | &rs6000_reg_names[17][0], /* r17 */ \ | |
2051 | &rs6000_reg_names[18][0], /* r18 */ \ | |
2052 | &rs6000_reg_names[19][0], /* r19 */ \ | |
2053 | &rs6000_reg_names[20][0], /* r20 */ \ | |
2054 | &rs6000_reg_names[21][0], /* r21 */ \ | |
2055 | &rs6000_reg_names[22][0], /* r22 */ \ | |
2056 | &rs6000_reg_names[23][0], /* r23 */ \ | |
2057 | &rs6000_reg_names[24][0], /* r24 */ \ | |
2058 | &rs6000_reg_names[25][0], /* r25 */ \ | |
2059 | &rs6000_reg_names[26][0], /* r26 */ \ | |
2060 | &rs6000_reg_names[27][0], /* r27 */ \ | |
2061 | &rs6000_reg_names[28][0], /* r28 */ \ | |
2062 | &rs6000_reg_names[29][0], /* r29 */ \ | |
2063 | &rs6000_reg_names[30][0], /* r30 */ \ | |
2064 | &rs6000_reg_names[31][0], /* r31 */ \ | |
2065 | \ | |
2066 | &rs6000_reg_names[32][0], /* fr0 */ \ | |
2067 | &rs6000_reg_names[33][0], /* fr1 */ \ | |
2068 | &rs6000_reg_names[34][0], /* fr2 */ \ | |
2069 | &rs6000_reg_names[35][0], /* fr3 */ \ | |
2070 | &rs6000_reg_names[36][0], /* fr4 */ \ | |
2071 | &rs6000_reg_names[37][0], /* fr5 */ \ | |
2072 | &rs6000_reg_names[38][0], /* fr6 */ \ | |
2073 | &rs6000_reg_names[39][0], /* fr7 */ \ | |
2074 | &rs6000_reg_names[40][0], /* fr8 */ \ | |
2075 | &rs6000_reg_names[41][0], /* fr9 */ \ | |
2076 | &rs6000_reg_names[42][0], /* fr10 */ \ | |
2077 | &rs6000_reg_names[43][0], /* fr11 */ \ | |
2078 | &rs6000_reg_names[44][0], /* fr12 */ \ | |
2079 | &rs6000_reg_names[45][0], /* fr13 */ \ | |
2080 | &rs6000_reg_names[46][0], /* fr14 */ \ | |
2081 | &rs6000_reg_names[47][0], /* fr15 */ \ | |
2082 | &rs6000_reg_names[48][0], /* fr16 */ \ | |
2083 | &rs6000_reg_names[49][0], /* fr17 */ \ | |
2084 | &rs6000_reg_names[50][0], /* fr18 */ \ | |
2085 | &rs6000_reg_names[51][0], /* fr19 */ \ | |
2086 | &rs6000_reg_names[52][0], /* fr20 */ \ | |
2087 | &rs6000_reg_names[53][0], /* fr21 */ \ | |
2088 | &rs6000_reg_names[54][0], /* fr22 */ \ | |
2089 | &rs6000_reg_names[55][0], /* fr23 */ \ | |
2090 | &rs6000_reg_names[56][0], /* fr24 */ \ | |
2091 | &rs6000_reg_names[57][0], /* fr25 */ \ | |
2092 | &rs6000_reg_names[58][0], /* fr26 */ \ | |
2093 | &rs6000_reg_names[59][0], /* fr27 */ \ | |
2094 | &rs6000_reg_names[60][0], /* fr28 */ \ | |
2095 | &rs6000_reg_names[61][0], /* fr29 */ \ | |
2096 | &rs6000_reg_names[62][0], /* fr30 */ \ | |
2097 | &rs6000_reg_names[63][0], /* fr31 */ \ | |
2098 | \ | |
462f7901 | 2099 | &rs6000_reg_names[64][0], /* was mq */ \ |
c81bebd7 MM |
2100 | &rs6000_reg_names[65][0], /* lr */ \ |
2101 | &rs6000_reg_names[66][0], /* ctr */ \ | |
2102 | &rs6000_reg_names[67][0], /* ap */ \ | |
2103 | \ | |
2104 | &rs6000_reg_names[68][0], /* cr0 */ \ | |
2105 | &rs6000_reg_names[69][0], /* cr1 */ \ | |
2106 | &rs6000_reg_names[70][0], /* cr2 */ \ | |
2107 | &rs6000_reg_names[71][0], /* cr3 */ \ | |
2108 | &rs6000_reg_names[72][0], /* cr4 */ \ | |
2109 | &rs6000_reg_names[73][0], /* cr5 */ \ | |
2110 | &rs6000_reg_names[74][0], /* cr6 */ \ | |
2111 | &rs6000_reg_names[75][0], /* cr7 */ \ | |
802a0058 | 2112 | \ |
f6b5d695 | 2113 | &rs6000_reg_names[76][0], /* ca */ \ |
0ac081f6 AH |
2114 | \ |
2115 | &rs6000_reg_names[77][0], /* v0 */ \ | |
2116 | &rs6000_reg_names[78][0], /* v1 */ \ | |
2117 | &rs6000_reg_names[79][0], /* v2 */ \ | |
2118 | &rs6000_reg_names[80][0], /* v3 */ \ | |
2119 | &rs6000_reg_names[81][0], /* v4 */ \ | |
2120 | &rs6000_reg_names[82][0], /* v5 */ \ | |
2121 | &rs6000_reg_names[83][0], /* v6 */ \ | |
2122 | &rs6000_reg_names[84][0], /* v7 */ \ | |
2123 | &rs6000_reg_names[85][0], /* v8 */ \ | |
2124 | &rs6000_reg_names[86][0], /* v9 */ \ | |
2125 | &rs6000_reg_names[87][0], /* v10 */ \ | |
2126 | &rs6000_reg_names[88][0], /* v11 */ \ | |
2127 | &rs6000_reg_names[89][0], /* v12 */ \ | |
2128 | &rs6000_reg_names[90][0], /* v13 */ \ | |
2129 | &rs6000_reg_names[91][0], /* v14 */ \ | |
2130 | &rs6000_reg_names[92][0], /* v15 */ \ | |
2131 | &rs6000_reg_names[93][0], /* v16 */ \ | |
2132 | &rs6000_reg_names[94][0], /* v17 */ \ | |
2133 | &rs6000_reg_names[95][0], /* v18 */ \ | |
2134 | &rs6000_reg_names[96][0], /* v19 */ \ | |
2135 | &rs6000_reg_names[97][0], /* v20 */ \ | |
2136 | &rs6000_reg_names[98][0], /* v21 */ \ | |
2137 | &rs6000_reg_names[99][0], /* v22 */ \ | |
2138 | &rs6000_reg_names[100][0], /* v23 */ \ | |
2139 | &rs6000_reg_names[101][0], /* v24 */ \ | |
2140 | &rs6000_reg_names[102][0], /* v25 */ \ | |
2141 | &rs6000_reg_names[103][0], /* v26 */ \ | |
2142 | &rs6000_reg_names[104][0], /* v27 */ \ | |
2143 | &rs6000_reg_names[105][0], /* v28 */ \ | |
2144 | &rs6000_reg_names[106][0], /* v29 */ \ | |
2145 | &rs6000_reg_names[107][0], /* v30 */ \ | |
2146 | &rs6000_reg_names[108][0], /* v31 */ \ | |
2147 | &rs6000_reg_names[109][0], /* vrsave */ \ | |
5f004351 | 2148 | &rs6000_reg_names[110][0], /* vscr */ \ |
346081bd SB |
2149 | &rs6000_reg_names[111][0], /* sfp */ \ |
2150 | &rs6000_reg_names[112][0], /* tfhar */ \ | |
2151 | &rs6000_reg_names[113][0], /* tfiar */ \ | |
2152 | &rs6000_reg_names[114][0], /* texasr */ \ | |
c81bebd7 MM |
2153 | } |
2154 | ||
f045b2c9 RS |
2155 | /* Table of additional register names to use in user input. */ |
2156 | ||
2157 | #define ADDITIONAL_REGISTER_NAMES \ | |
c4d38ccb MM |
2158 | {{"r0", 0}, {"r1", 1}, {"r2", 2}, {"r3", 3}, \ |
2159 | {"r4", 4}, {"r5", 5}, {"r6", 6}, {"r7", 7}, \ | |
2160 | {"r8", 8}, {"r9", 9}, {"r10", 10}, {"r11", 11}, \ | |
2161 | {"r12", 12}, {"r13", 13}, {"r14", 14}, {"r15", 15}, \ | |
2162 | {"r16", 16}, {"r17", 17}, {"r18", 18}, {"r19", 19}, \ | |
2163 | {"r20", 20}, {"r21", 21}, {"r22", 22}, {"r23", 23}, \ | |
2164 | {"r24", 24}, {"r25", 25}, {"r26", 26}, {"r27", 27}, \ | |
2165 | {"r28", 28}, {"r29", 29}, {"r30", 30}, {"r31", 31}, \ | |
2166 | {"fr0", 32}, {"fr1", 33}, {"fr2", 34}, {"fr3", 35}, \ | |
2167 | {"fr4", 36}, {"fr5", 37}, {"fr6", 38}, {"fr7", 39}, \ | |
2168 | {"fr8", 40}, {"fr9", 41}, {"fr10", 42}, {"fr11", 43}, \ | |
2169 | {"fr12", 44}, {"fr13", 45}, {"fr14", 46}, {"fr15", 47}, \ | |
2170 | {"fr16", 48}, {"fr17", 49}, {"fr18", 50}, {"fr19", 51}, \ | |
2171 | {"fr20", 52}, {"fr21", 53}, {"fr22", 54}, {"fr23", 55}, \ | |
2172 | {"fr24", 56}, {"fr25", 57}, {"fr26", 58}, {"fr27", 59}, \ | |
2173 | {"fr28", 60}, {"fr29", 61}, {"fr30", 62}, {"fr31", 63}, \ | |
0ac081f6 AH |
2174 | {"v0", 77}, {"v1", 78}, {"v2", 79}, {"v3", 80}, \ |
2175 | {"v4", 81}, {"v5", 82}, {"v6", 83}, {"v7", 84}, \ | |
2176 | {"v8", 85}, {"v9", 86}, {"v10", 87}, {"v11", 88}, \ | |
2177 | {"v12", 89}, {"v13", 90}, {"v14", 91}, {"v15", 92}, \ | |
2178 | {"v16", 93}, {"v17", 94}, {"v18", 95}, {"v19", 96}, \ | |
2179 | {"v20", 97}, {"v21", 98}, {"v22", 99}, {"v23", 100}, \ | |
2180 | {"v24", 101},{"v25", 102},{"v26", 103},{"v27", 104}, \ | |
2181 | {"v28", 105},{"v29", 106},{"v30", 107},{"v31", 108}, \ | |
5f004351 | 2182 | {"vrsave", 109}, {"vscr", 110}, \ |
462f7901 | 2183 | /* no additional names for: lr, ctr, ap */ \ |
c4d38ccb MM |
2184 | {"cr0", 68}, {"cr1", 69}, {"cr2", 70}, {"cr3", 71}, \ |
2185 | {"cr4", 72}, {"cr5", 73}, {"cr6", 74}, {"cr7", 75}, \ | |
cacf1ca8 | 2186 | {"cc", 68}, {"sp", 1}, {"toc", 2}, \ |
f6b5d695 SB |
2187 | /* CA is only part of XER, but we do not model the other parts (yet). */ \ |
2188 | {"xer", 76}, \ | |
cacf1ca8 MM |
2189 | /* VSX registers overlaid on top of FR, Altivec registers */ \ |
2190 | {"vs0", 32}, {"vs1", 33}, {"vs2", 34}, {"vs3", 35}, \ | |
2191 | {"vs4", 36}, {"vs5", 37}, {"vs6", 38}, {"vs7", 39}, \ | |
2192 | {"vs8", 40}, {"vs9", 41}, {"vs10", 42}, {"vs11", 43}, \ | |
2193 | {"vs12", 44}, {"vs13", 45}, {"vs14", 46}, {"vs15", 47}, \ | |
2194 | {"vs16", 48}, {"vs17", 49}, {"vs18", 50}, {"vs19", 51}, \ | |
2195 | {"vs20", 52}, {"vs21", 53}, {"vs22", 54}, {"vs23", 55}, \ | |
2196 | {"vs24", 56}, {"vs25", 57}, {"vs26", 58}, {"vs27", 59}, \ | |
2197 | {"vs28", 60}, {"vs29", 61}, {"vs30", 62}, {"vs31", 63}, \ | |
2198 | {"vs32", 77}, {"vs33", 78}, {"vs34", 79}, {"vs35", 80}, \ | |
2199 | {"vs36", 81}, {"vs37", 82}, {"vs38", 83}, {"vs39", 84}, \ | |
2200 | {"vs40", 85}, {"vs41", 86}, {"vs42", 87}, {"vs43", 88}, \ | |
2201 | {"vs44", 89}, {"vs45", 90}, {"vs46", 91}, {"vs47", 92}, \ | |
2202 | {"vs48", 93}, {"vs49", 94}, {"vs50", 95}, {"vs51", 96}, \ | |
2203 | {"vs52", 97}, {"vs53", 98}, {"vs54", 99}, {"vs55", 100}, \ | |
2204 | {"vs56", 101},{"vs57", 102},{"vs58", 103},{"vs59", 104}, \ | |
0258b6e4 PB |
2205 | {"vs60", 105},{"vs61", 106},{"vs62", 107},{"vs63", 108}, \ |
2206 | /* Transactional Memory Facility (HTM) Registers. */ \ | |
346081bd | 2207 | {"tfhar", 112}, {"tfiar", 113}, {"texasr", 114}, \ |
23742a9e | 2208 | } |
f045b2c9 | 2209 | |
f045b2c9 RS |
2210 | /* This is how to output an element of a case-vector that is relative. */ |
2211 | ||
e1565e65 | 2212 | #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ |
3daf36a4 | 2213 | do { char buf[100]; \ |
e1565e65 | 2214 | fputs ("\t.long ", FILE); \ |
3daf36a4 ILT |
2215 | ASM_GENERATE_INTERNAL_LABEL (buf, "L", VALUE); \ |
2216 | assemble_name (FILE, buf); \ | |
19d2d16f | 2217 | putc ('-', FILE); \ |
3daf36a4 ILT |
2218 | ASM_GENERATE_INTERNAL_LABEL (buf, "L", REL); \ |
2219 | assemble_name (FILE, buf); \ | |
19d2d16f | 2220 | putc ('\n', FILE); \ |
3daf36a4 | 2221 | } while (0) |
f045b2c9 RS |
2222 | |
2223 | /* This is how to output an assembler line | |
2224 | that says to advance the location counter | |
2225 | to a multiple of 2**LOG bytes. */ | |
2226 | ||
2227 | #define ASM_OUTPUT_ALIGN(FILE,LOG) \ | |
2228 | if ((LOG) != 0) \ | |
2229 | fprintf (FILE, "\t.align %d\n", (LOG)) | |
2230 | ||
58082ff6 PH |
2231 | /* How to align the given loop. */ |
2232 | #define LOOP_ALIGN(LABEL) rs6000_loop_align(LABEL) | |
2233 | ||
d28073d4 BS |
2234 | /* Alignment guaranteed by __builtin_malloc. */ |
2235 | /* FIXME: 128-bit alignment is guaranteed by glibc for TARGET_64BIT. | |
2236 | However, specifying the stronger guarantee currently leads to | |
2237 | a regression in SPEC CPU2006 437.leslie3d. The stronger | |
2238 | guarantee should be implemented here once that's fixed. */ | |
2239 | #define MALLOC_ABI_ALIGNMENT (64) | |
2240 | ||
9ebbca7d GK |
2241 | /* Pick up the return address upon entry to a procedure. Used for |
2242 | dwarf2 unwind information. This also enables the table driven | |
2243 | mechanism. */ | |
2244 | ||
1de43f85 DE |
2245 | #define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (Pmode, LR_REGNO) |
2246 | #define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGNUM (LR_REGNO) | |
9ebbca7d | 2247 | |
83720594 RH |
2248 | /* Describe how we implement __builtin_eh_return. */ |
2249 | #define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 3 : INVALID_REGNUM) | |
2250 | #define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, 10) | |
2251 | ||
f045b2c9 RS |
2252 | /* Print operand X (an rtx) in assembler syntax to file FILE. |
2253 | CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified. | |
2254 | For `%' followed by punctuation, CODE is the punctuation and X is null. */ | |
2255 | ||
2256 | #define PRINT_OPERAND(FILE, X, CODE) print_operand (FILE, X, CODE) | |
2257 | ||
2258 | /* Define which CODE values are valid. */ | |
2259 | ||
3cf437d4 | 2260 | #define PRINT_OPERAND_PUNCT_VALID_P(CODE) ((CODE) == '&') |
f045b2c9 RS |
2261 | |
2262 | /* Print a memory address as an operand to reference that memory location. */ | |
2263 | ||
2264 | #define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address (FILE, ADDR) | |
2265 | ||
c82846bc DE |
2266 | /* For switching between functions with different target attributes. */ |
2267 | #define SWITCHABLE_TARGET 1 | |
2268 | ||
b6c9286a MM |
2269 | /* uncomment for disabling the corresponding default options */ |
2270 | /* #define MACHINE_no_sched_interblock */ | |
2271 | /* #define MACHINE_no_sched_speculative */ | |
2272 | /* #define MACHINE_no_sched_speculative_load */ | |
2273 | ||
766a866c | 2274 | /* General flags. */ |
a7df97e6 | 2275 | extern int frame_pointer_needed; |
0ac081f6 | 2276 | |
7fa14a01 MM |
2277 | /* Classification of the builtin functions as to which switches enable the |
2278 | builtin, and what attributes it should have. We used to use the target | |
2279 | flags macros, but we've run out of bits, so we now map the options into new | |
2280 | settings used here. */ | |
2281 | ||
2282 | /* Builtin attributes. */ | |
2283 | #define RS6000_BTC_SPECIAL 0x00000000 /* Special function. */ | |
2284 | #define RS6000_BTC_UNARY 0x00000001 /* normal unary function. */ | |
2285 | #define RS6000_BTC_BINARY 0x00000002 /* normal binary function. */ | |
2286 | #define RS6000_BTC_TERNARY 0x00000003 /* normal ternary function. */ | |
2287 | #define RS6000_BTC_PREDICATE 0x00000004 /* predicate function. */ | |
2288 | #define RS6000_BTC_ABS 0x00000005 /* Altivec/VSX ABS function. */ | |
7fa14a01 MM |
2289 | #define RS6000_BTC_DST 0x00000007 /* Altivec DST function. */ |
2290 | #define RS6000_BTC_TYPE_MASK 0x0000000f /* Mask to isolate types */ | |
2291 | ||
2292 | #define RS6000_BTC_MISC 0x00000000 /* No special attributes. */ | |
902cb7b1 KN |
2293 | #define RS6000_BTC_CONST 0x00000100 /* Neither uses, nor |
2294 | modifies global state. */ | |
4f45da44 KN |
2295 | #define RS6000_BTC_PURE 0x00000200 /* reads global |
2296 | state/mem and does | |
2297 | not modify global state. */ | |
7fa14a01 MM |
2298 | #define RS6000_BTC_FP 0x00000400 /* depends on rounding mode. */ |
2299 | #define RS6000_BTC_ATTR_MASK 0x00000700 /* Mask of the attributes. */ | |
2300 | ||
2301 | /* Miscellaneous information. */ | |
0258b6e4 PB |
2302 | #define RS6000_BTC_SPR 0x01000000 /* function references SPRs. */ |
2303 | #define RS6000_BTC_VOID 0x02000000 /* function has no return value. */ | |
01f61a78 PB |
2304 | #define RS6000_BTC_CR 0x04000000 /* function references a CR. */ |
2305 | #define RS6000_BTC_OVERLOADED 0x08000000 /* function is overloaded. */ | |
0258b6e4 | 2306 | #define RS6000_BTC_MISC_MASK 0x1f000000 /* Mask of the misc info. */ |
1c9df37c MM |
2307 | |
2308 | /* Convenience macros to document the instruction type. */ | |
7fa14a01 MM |
2309 | #define RS6000_BTC_MEM RS6000_BTC_MISC /* load/store touches mem. */ |
2310 | #define RS6000_BTC_SAT RS6000_BTC_MISC /* saturate sets VSCR. */ | |
2311 | ||
2312 | /* Builtin targets. For now, we reuse the masks for those options that are in | |
55928937 SB |
2313 | target flags, and pick a random bit for ldbl128, which isn't in |
2314 | target_flags. */ | |
4b705221 | 2315 | #define RS6000_BTM_ALWAYS 0 /* Always enabled. */ |
7fa14a01 | 2316 | #define RS6000_BTM_ALTIVEC MASK_ALTIVEC /* VMX/altivec vectors. */ |
4fd18c78 | 2317 | #define RS6000_BTM_CMPB MASK_CMPB /* ISA 2.05: compare bytes. */ |
7fa14a01 | 2318 | #define RS6000_BTM_VSX MASK_VSX /* VSX (vector/scalar). */ |
f62511da | 2319 | #define RS6000_BTM_P8_VECTOR MASK_P8_VECTOR /* ISA 2.07 vector. */ |
8fa97501 | 2320 | #define RS6000_BTM_P9_VECTOR MASK_P9_VECTOR /* ISA 3.0 vector. */ |
5a3a6a5e | 2321 | #define RS6000_BTM_P9_MISC MASK_P9_MISC /* ISA 3.0 misc. non-vector */ |
f62511da | 2322 | #define RS6000_BTM_CRYPTO MASK_CRYPTO /* crypto funcs. */ |
0258b6e4 | 2323 | #define RS6000_BTM_HTM MASK_HTM /* hardware TM funcs. */ |
7fa14a01 MM |
2324 | #define RS6000_BTM_FRE MASK_POPCNTB /* FRE instruction. */ |
2325 | #define RS6000_BTM_FRES MASK_PPC_GFXOPT /* FRES instruction. */ | |
2326 | #define RS6000_BTM_FRSQRTE MASK_PPC_GFXOPT /* FRSQRTE instruction. */ | |
2327 | #define RS6000_BTM_FRSQRTES MASK_POPCNTB /* FRSQRTES instruction. */ | |
2328 | #define RS6000_BTM_POPCNTD MASK_POPCNTD /* Target supports ISA 2.06. */ | |
7fa14a01 | 2329 | #define RS6000_BTM_CELL MASK_FPRND /* Target is cell powerpc. */ |
06b39289 | 2330 | #define RS6000_BTM_DFP MASK_DFP /* Decimal floating point. */ |
f93bc5b3 | 2331 | #define RS6000_BTM_HARD_FLOAT MASK_SOFT_FLOAT /* Hardware floating point. */ |
8241efd1 | 2332 | #define RS6000_BTM_LDBL128 MASK_MULTIPLE /* 128-bit long double. */ |
4f45da44 | 2333 | #define RS6000_BTM_64BIT MASK_64BIT /* 64-bit addressing. */ |
eb581af4 | 2334 | #define RS6000_BTM_POWERPC64 MASK_POWERPC64 /* 64-bit registers. */ |
bbd35101 | 2335 | #define RS6000_BTM_FLOAT128 MASK_FLOAT128_KEYWORD /* IEEE 128-bit float. */ |
12fca96e | 2336 | #define RS6000_BTM_FLOAT128_HW MASK_FLOAT128_HW /* IEEE 128-bit float h/w. */ |
7fa14a01 MM |
2337 | |
2338 | #define RS6000_BTM_COMMON (RS6000_BTM_ALTIVEC \ | |
2339 | | RS6000_BTM_VSX \ | |
f62511da | 2340 | | RS6000_BTM_P8_VECTOR \ |
8fa97501 | 2341 | | RS6000_BTM_P9_VECTOR \ |
5a3a6a5e | 2342 | | RS6000_BTM_P9_MISC \ |
402e60c5 | 2343 | | RS6000_BTM_MODULO \ |
f62511da | 2344 | | RS6000_BTM_CRYPTO \ |
7fa14a01 MM |
2345 | | RS6000_BTM_FRE \ |
2346 | | RS6000_BTM_FRES \ | |
2347 | | RS6000_BTM_FRSQRTE \ | |
2348 | | RS6000_BTM_FRSQRTES \ | |
0258b6e4 | 2349 | | RS6000_BTM_HTM \ |
7fa14a01 | 2350 | | RS6000_BTM_POPCNTD \ |
06b39289 | 2351 | | RS6000_BTM_CELL \ |
f93bc5b3 | 2352 | | RS6000_BTM_DFP \ |
8241efd1 | 2353 | | RS6000_BTM_HARD_FLOAT \ |
53605f35 | 2354 | | RS6000_BTM_LDBL128 \ |
eb581af4 | 2355 | | RS6000_BTM_POWERPC64 \ |
12fca96e MM |
2356 | | RS6000_BTM_FLOAT128 \ |
2357 | | RS6000_BTM_FLOAT128_HW) | |
7fa14a01 MM |
2358 | |
2359 | /* Define builtin enum index. */ | |
2360 | ||
4f45da44 | 2361 | #undef RS6000_BUILTIN_0 |
7fa14a01 MM |
2362 | #undef RS6000_BUILTIN_1 |
2363 | #undef RS6000_BUILTIN_2 | |
2364 | #undef RS6000_BUILTIN_3 | |
2365 | #undef RS6000_BUILTIN_A | |
2366 | #undef RS6000_BUILTIN_D | |
0258b6e4 | 2367 | #undef RS6000_BUILTIN_H |
7fa14a01 | 2368 | #undef RS6000_BUILTIN_P |
7fa14a01 MM |
2369 | #undef RS6000_BUILTIN_X |
2370 | ||
4f45da44 | 2371 | #define RS6000_BUILTIN_0(ENUM, NAME, MASK, ATTR, ICODE) ENUM, |
7fa14a01 MM |
2372 | #define RS6000_BUILTIN_1(ENUM, NAME, MASK, ATTR, ICODE) ENUM, |
2373 | #define RS6000_BUILTIN_2(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2374 | #define RS6000_BUILTIN_3(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2375 | #define RS6000_BUILTIN_A(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
2376 | #define RS6000_BUILTIN_D(ENUM, NAME, MASK, ATTR, ICODE) ENUM, | |
0258b6e4 | 2377 | #define RS6000_BUILTIN_H(ENUM, NAME, MASK, ATTR, ICODE) ENUM, |
7fa14a01 | 2378 | #define RS6000_BUILTIN_P(ENUM, NAME, MASK, ATTR, ICODE) ENUM, |
7fa14a01 | 2379 | #define RS6000_BUILTIN_X(ENUM, NAME, MASK, ATTR, ICODE) ENUM, |
1c9df37c | 2380 | |
0ac081f6 AH |
2381 | enum rs6000_builtins |
2382 | { | |
1c9df37c | 2383 | #include "rs6000-builtin.def" |
a72c65c7 | 2384 | |
58646b77 PB |
2385 | RS6000_BUILTIN_COUNT |
2386 | }; | |
2387 | ||
4f45da44 | 2388 | #undef RS6000_BUILTIN_0 |
7fa14a01 MM |
2389 | #undef RS6000_BUILTIN_1 |
2390 | #undef RS6000_BUILTIN_2 | |
2391 | #undef RS6000_BUILTIN_3 | |
2392 | #undef RS6000_BUILTIN_A | |
2393 | #undef RS6000_BUILTIN_D | |
0258b6e4 | 2394 | #undef RS6000_BUILTIN_H |
7fa14a01 | 2395 | #undef RS6000_BUILTIN_P |
7fa14a01 | 2396 | #undef RS6000_BUILTIN_X |
1c9df37c | 2397 | |
58646b77 PB |
2398 | enum rs6000_builtin_type_index |
2399 | { | |
2400 | RS6000_BTI_NOT_OPAQUE, | |
58646b77 | 2401 | RS6000_BTI_opaque_V4SI, |
d4f18ec6 | 2402 | RS6000_BTI_V16QI, /* __vector signed char */ |
a16a872d | 2403 | RS6000_BTI_V1TI, |
a72c65c7 MM |
2404 | RS6000_BTI_V2DI, |
2405 | RS6000_BTI_V2DF, | |
58646b77 PB |
2406 | RS6000_BTI_V4HI, |
2407 | RS6000_BTI_V4SI, | |
2408 | RS6000_BTI_V4SF, | |
2409 | RS6000_BTI_V8HI, | |
d4f18ec6 | 2410 | RS6000_BTI_unsigned_V16QI, /* __vector unsigned char */ |
a16a872d | 2411 | RS6000_BTI_unsigned_V1TI, |
58646b77 PB |
2412 | RS6000_BTI_unsigned_V8HI, |
2413 | RS6000_BTI_unsigned_V4SI, | |
a72c65c7 | 2414 | RS6000_BTI_unsigned_V2DI, |
58646b77 PB |
2415 | RS6000_BTI_bool_char, /* __bool char */ |
2416 | RS6000_BTI_bool_short, /* __bool short */ | |
2417 | RS6000_BTI_bool_int, /* __bool int */ | |
d4f18ec6 KN |
2418 | RS6000_BTI_bool_long_long, /* __bool long long */ |
2419 | RS6000_BTI_pixel, /* __pixel (16 bits arranged as 4 | |
2420 | channels of 1, 5, 5, and 5 bits | |
2421 | respectively as packed with the | |
2422 | vpkpx insn. __pixel is only | |
2423 | meaningful as a vector type. | |
2424 | There is no corresponding scalar | |
2425 | __pixel data type.) */ | |
58646b77 PB |
2426 | RS6000_BTI_bool_V16QI, /* __vector __bool char */ |
2427 | RS6000_BTI_bool_V8HI, /* __vector __bool short */ | |
2428 | RS6000_BTI_bool_V4SI, /* __vector __bool int */ | |
a72c65c7 | 2429 | RS6000_BTI_bool_V2DI, /* __vector __bool long */ |
58646b77 PB |
2430 | RS6000_BTI_pixel_V8HI, /* __vector __pixel */ |
2431 | RS6000_BTI_long, /* long_integer_type_node */ | |
2432 | RS6000_BTI_unsigned_long, /* long_unsigned_type_node */ | |
c9485473 MM |
2433 | RS6000_BTI_long_long, /* long_long_integer_type_node */ |
2434 | RS6000_BTI_unsigned_long_long, /* long_long_unsigned_type_node */ | |
d4f18ec6 | 2435 | RS6000_BTI_INTQI, /* (signed) intQI_type_node */ |
58646b77 PB |
2436 | RS6000_BTI_UINTQI, /* unsigned_intQI_type_node */ |
2437 | RS6000_BTI_INTHI, /* intHI_type_node */ | |
2438 | RS6000_BTI_UINTHI, /* unsigned_intHI_type_node */ | |
d4f18ec6 | 2439 | RS6000_BTI_INTSI, /* intSI_type_node (signed) */ |
58646b77 | 2440 | RS6000_BTI_UINTSI, /* unsigned_intSI_type_node */ |
a72c65c7 MM |
2441 | RS6000_BTI_INTDI, /* intDI_type_node */ |
2442 | RS6000_BTI_UINTDI, /* unsigned_intDI_type_node */ | |
a16a872d MM |
2443 | RS6000_BTI_INTTI, /* intTI_type_node */ |
2444 | RS6000_BTI_UINTTI, /* unsigned_intTI_type_node */ | |
58646b77 | 2445 | RS6000_BTI_float, /* float_type_node */ |
a72c65c7 | 2446 | RS6000_BTI_double, /* double_type_node */ |
06b39289 MM |
2447 | RS6000_BTI_long_double, /* long_double_type_node */ |
2448 | RS6000_BTI_dfloat64, /* dfloat64_type_node */ | |
2449 | RS6000_BTI_dfloat128, /* dfloat128_type_node */ | |
58646b77 | 2450 | RS6000_BTI_void, /* void_type_node */ |
6712d6fd MM |
2451 | RS6000_BTI_ieee128_float, /* ieee 128-bit floating point */ |
2452 | RS6000_BTI_ibm128_float, /* IBM 128-bit floating point */ | |
53605f35 | 2453 | RS6000_BTI_const_str, /* pointer to const char * */ |
58646b77 | 2454 | RS6000_BTI_MAX |
0ac081f6 | 2455 | }; |
58646b77 PB |
2456 | |
2457 | ||
58646b77 PB |
2458 | #define opaque_V4SI_type_node (rs6000_builtin_types[RS6000_BTI_opaque_V4SI]) |
2459 | #define V16QI_type_node (rs6000_builtin_types[RS6000_BTI_V16QI]) | |
a16a872d | 2460 | #define V1TI_type_node (rs6000_builtin_types[RS6000_BTI_V1TI]) |
a72c65c7 MM |
2461 | #define V2DI_type_node (rs6000_builtin_types[RS6000_BTI_V2DI]) |
2462 | #define V2DF_type_node (rs6000_builtin_types[RS6000_BTI_V2DF]) | |
58646b77 PB |
2463 | #define V4HI_type_node (rs6000_builtin_types[RS6000_BTI_V4HI]) |
2464 | #define V4SI_type_node (rs6000_builtin_types[RS6000_BTI_V4SI]) | |
2465 | #define V4SF_type_node (rs6000_builtin_types[RS6000_BTI_V4SF]) | |
2466 | #define V8HI_type_node (rs6000_builtin_types[RS6000_BTI_V8HI]) | |
2467 | #define unsigned_V16QI_type_node (rs6000_builtin_types[RS6000_BTI_unsigned_V16QI]) | |
a16a872d | 2468 | #define unsigned_V1TI_type_node (rs6000_builtin_types[RS6000_BTI_unsigned_V1TI]) |
58646b77 PB |
2469 | #define unsigned_V8HI_type_node (rs6000_builtin_types[RS6000_BTI_unsigned_V8HI]) |
2470 | #define unsigned_V4SI_type_node (rs6000_builtin_types[RS6000_BTI_unsigned_V4SI]) | |
a72c65c7 | 2471 | #define unsigned_V2DI_type_node (rs6000_builtin_types[RS6000_BTI_unsigned_V2DI]) |
58646b77 PB |
2472 | #define bool_char_type_node (rs6000_builtin_types[RS6000_BTI_bool_char]) |
2473 | #define bool_short_type_node (rs6000_builtin_types[RS6000_BTI_bool_short]) | |
2474 | #define bool_int_type_node (rs6000_builtin_types[RS6000_BTI_bool_int]) | |
d4f18ec6 | 2475 | #define bool_long_long_type_node (rs6000_builtin_types[RS6000_BTI_bool_long_long]) |
58646b77 PB |
2476 | #define pixel_type_node (rs6000_builtin_types[RS6000_BTI_pixel]) |
2477 | #define bool_V16QI_type_node (rs6000_builtin_types[RS6000_BTI_bool_V16QI]) | |
2478 | #define bool_V8HI_type_node (rs6000_builtin_types[RS6000_BTI_bool_V8HI]) | |
2479 | #define bool_V4SI_type_node (rs6000_builtin_types[RS6000_BTI_bool_V4SI]) | |
a72c65c7 | 2480 | #define bool_V2DI_type_node (rs6000_builtin_types[RS6000_BTI_bool_V2DI]) |
58646b77 PB |
2481 | #define pixel_V8HI_type_node (rs6000_builtin_types[RS6000_BTI_pixel_V8HI]) |
2482 | ||
c9485473 MM |
2483 | #define long_long_integer_type_internal_node (rs6000_builtin_types[RS6000_BTI_long_long]) |
2484 | #define long_long_unsigned_type_internal_node (rs6000_builtin_types[RS6000_BTI_unsigned_long_long]) | |
58646b77 PB |
2485 | #define long_integer_type_internal_node (rs6000_builtin_types[RS6000_BTI_long]) |
2486 | #define long_unsigned_type_internal_node (rs6000_builtin_types[RS6000_BTI_unsigned_long]) | |
2487 | #define intQI_type_internal_node (rs6000_builtin_types[RS6000_BTI_INTQI]) | |
2488 | #define uintQI_type_internal_node (rs6000_builtin_types[RS6000_BTI_UINTQI]) | |
2489 | #define intHI_type_internal_node (rs6000_builtin_types[RS6000_BTI_INTHI]) | |
2490 | #define uintHI_type_internal_node (rs6000_builtin_types[RS6000_BTI_UINTHI]) | |
2491 | #define intSI_type_internal_node (rs6000_builtin_types[RS6000_BTI_INTSI]) | |
2492 | #define uintSI_type_internal_node (rs6000_builtin_types[RS6000_BTI_UINTSI]) | |
a72c65c7 MM |
2493 | #define intDI_type_internal_node (rs6000_builtin_types[RS6000_BTI_INTDI]) |
2494 | #define uintDI_type_internal_node (rs6000_builtin_types[RS6000_BTI_UINTDI]) | |
a16a872d MM |
2495 | #define intTI_type_internal_node (rs6000_builtin_types[RS6000_BTI_INTTI]) |
2496 | #define uintTI_type_internal_node (rs6000_builtin_types[RS6000_BTI_UINTTI]) | |
58646b77 | 2497 | #define float_type_internal_node (rs6000_builtin_types[RS6000_BTI_float]) |
a72c65c7 | 2498 | #define double_type_internal_node (rs6000_builtin_types[RS6000_BTI_double]) |
06b39289 MM |
2499 | #define long_double_type_internal_node (rs6000_builtin_types[RS6000_BTI_long_double]) |
2500 | #define dfloat64_type_internal_node (rs6000_builtin_types[RS6000_BTI_dfloat64]) | |
2501 | #define dfloat128_type_internal_node (rs6000_builtin_types[RS6000_BTI_dfloat128]) | |
58646b77 | 2502 | #define void_type_internal_node (rs6000_builtin_types[RS6000_BTI_void]) |
6712d6fd MM |
2503 | #define ieee128_float_type_node (rs6000_builtin_types[RS6000_BTI_ieee128_float]) |
2504 | #define ibm128_float_type_node (rs6000_builtin_types[RS6000_BTI_ibm128_float]) | |
53605f35 | 2505 | #define const_str_type_node (rs6000_builtin_types[RS6000_BTI_const_str]) |
58646b77 PB |
2506 | |
2507 | extern GTY(()) tree rs6000_builtin_types[RS6000_BTI_MAX]; | |
2508 | extern GTY(()) tree rs6000_builtin_decls[RS6000_BUILTIN_COUNT]; | |
2509 | ||
807e902e | 2510 | #define TARGET_SUPPORTS_WIDE_INT 1 |
08213983 MM |
2511 | |
2512 | #if (GCC_VERSION >= 3000) | |
2513 | #pragma GCC poison TARGET_FLOAT128 OPTION_MASK_FLOAT128 MASK_FLOAT128 | |
2514 | #endif |