1 /*
2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2012, 2013 SAP AG. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef CPU_PPC_VM_REGISTER_PPC_HPP
27 #define CPU_PPC_VM_REGISTER_PPC_HPP
28
29 #include "asm/register.hpp"
30 #include "vm_version_ppc.hpp"
31
32 // forward declaration
33 class Address;
34 class VMRegImpl;
35 typedef VMRegImpl* VMReg;
36
37 // PPC64 registers
38 //
39 // See "64-bit PowerPC ELF ABI Supplement 1.7", IBM Corp. (2003-10-29).
40 // (http://math-atlas.sourceforge.net/devel/assembly/PPC-elf64abi-1.7.pdf)
41 //
42 // r0 Register used in function prologs (volatile)
43 // r1 Stack pointer (nonvolatile)
44 // r2 TOC pointer (volatile)
45 // r3 Parameter and return value (volatile)
46 // r4-r10 Function parameters (volatile)
47 // r11 Register used in calls by pointer and as an environment pointer for languages which require one (volatile)
48 // r12 Register used for exception handling and glink code (volatile)
49 // r13 Reserved for use as system thread ID
50 // r14-r31 Local variables (nonvolatile)
51 //
52 // f0 Scratch register (volatile)
53 // f1-f4 Floating point parameters and return value (volatile)
54 // f5-f13 Floating point parameters (volatile)
55 // f14-f31 Floating point values (nonvolatile)
56 //
57 // LR Link register for return address (volatile)
58 // CTR Loop counter (volatile)
59 // XER Fixed point exception register (volatile)
60 // FPSCR Floating point status and control register (volatile)
61 //
62 // CR0-CR1 Condition code fields (volatile)
63 // CR2-CCR4 Condition code fields (nonvolatile)
64 // CCR5-CCR7 Condition code fields (volatile)
65 //
66 // ----------------------------------------------
67 // On processors with the VMX feature:
68 // v0-v1 Volatile scratch registers
69 // v2-v13 Volatile vector parameters registers
70 // v14-v19 Volatile scratch registers
71 // v20-v31 Non-volatile registers
72 // vrsave Non-volatile 32-bit register
73
74
75 // Use Register as shortcut
76 class RegisterImpl;
77 typedef RegisterImpl* Register;
78
79 inline Register as_Register(int encoding) {
80 assert(encoding >= 0 && encoding < 32, "bad register encoding");
81 return (Register)(intptr_t)encoding;
82 }
83
84 // The implementation of integer registers for the Power architecture
85 class RegisterImpl: public AbstractRegisterImpl {
86 public:
87 enum {
88 number_of_registers = 32
89 };
90
91 // general construction
92 inline friend Register as_Register(int encoding);
93
94 // accessors
95 int encoding() const { assert(is_valid(), "invalid register"); return value(); }
96 VMReg as_VMReg();
97 Register successor() const { return as_Register(encoding() + 1); }
98
99 // testers
100 bool is_valid() const { return ( 0 <= (value()&0x7F) && (value()&0x7F) < number_of_registers); }
101 bool is_volatile() const { return ( 0 <= (value()&0x7F) && (value()&0x7F) <= 13 ); }
102 bool is_nonvolatile() const { return (14 <= (value()&0x7F) && (value()&0x7F) <= 31 ); }
103
104 const char* name() const;
105 };
106
107 // The integer registers of the PPC architecture
108 CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1));
109
110 CONSTANT_REGISTER_DECLARATION(Register, R0, (0));
111 CONSTANT_REGISTER_DECLARATION(Register, R1, (1));
112 CONSTANT_REGISTER_DECLARATION(Register, R2, (2));
113 CONSTANT_REGISTER_DECLARATION(Register, R3, (3));
114 CONSTANT_REGISTER_DECLARATION(Register, R4, (4));
115 CONSTANT_REGISTER_DECLARATION(Register, R5, (5));
116 CONSTANT_REGISTER_DECLARATION(Register, R6, (6));
117 CONSTANT_REGISTER_DECLARATION(Register, R7, (7));
118 CONSTANT_REGISTER_DECLARATION(Register, R8, (8));
119 CONSTANT_REGISTER_DECLARATION(Register, R9, (9));
120 CONSTANT_REGISTER_DECLARATION(Register, R10, (10));
121 CONSTANT_REGISTER_DECLARATION(Register, R11, (11));
122 CONSTANT_REGISTER_DECLARATION(Register, R12, (12));
123 CONSTANT_REGISTER_DECLARATION(Register, R13, (13));
124 CONSTANT_REGISTER_DECLARATION(Register, R14, (14));
125 CONSTANT_REGISTER_DECLARATION(Register, R15, (15));
126 CONSTANT_REGISTER_DECLARATION(Register, R16, (16));
127 CONSTANT_REGISTER_DECLARATION(Register, R17, (17));
128 CONSTANT_REGISTER_DECLARATION(Register, R18, (18));
129 CONSTANT_REGISTER_DECLARATION(Register, R19, (19));
130 CONSTANT_REGISTER_DECLARATION(Register, R20, (20));
131 CONSTANT_REGISTER_DECLARATION(Register, R21, (21));
132 CONSTANT_REGISTER_DECLARATION(Register, R22, (22));
133 CONSTANT_REGISTER_DECLARATION(Register, R23, (23));
134 CONSTANT_REGISTER_DECLARATION(Register, R24, (24));
135 CONSTANT_REGISTER_DECLARATION(Register, R25, (25));
136 CONSTANT_REGISTER_DECLARATION(Register, R26, (26));
137 CONSTANT_REGISTER_DECLARATION(Register, R27, (27));
138 CONSTANT_REGISTER_DECLARATION(Register, R28, (28));
139 CONSTANT_REGISTER_DECLARATION(Register, R29, (29));
140 CONSTANT_REGISTER_DECLARATION(Register, R30, (30));
141 CONSTANT_REGISTER_DECLARATION(Register, R31, (31));
142
143
144 //
145 // Because Power has many registers, #define'ing values for them is
146 // beneficial in code size and is worth the cost of some of the
147 // dangers of defines. If a particular file has a problem with these
148 // defines then it's possible to turn them off in that file by
149 // defining DONT_USE_REGISTER_DEFINES. Register_definition_ppc.cpp
150 // does that so that it's able to provide real definitions of these
151 // registers for use in debuggers and such.
152 //
153
154 #ifndef DONT_USE_REGISTER_DEFINES
155 #define noreg ((Register)(noreg_RegisterEnumValue))
156
157 #define R0 ((Register)(R0_RegisterEnumValue))
158 #define R1 ((Register)(R1_RegisterEnumValue))
159 #define R2 ((Register)(R2_RegisterEnumValue))
160 #define R3 ((Register)(R3_RegisterEnumValue))
161 #define R4 ((Register)(R4_RegisterEnumValue))
162 #define R5 ((Register)(R5_RegisterEnumValue))
163 #define R6 ((Register)(R6_RegisterEnumValue))
164 #define R7 ((Register)(R7_RegisterEnumValue))
165 #define R8 ((Register)(R8_RegisterEnumValue))
166 #define R9 ((Register)(R9_RegisterEnumValue))
167 #define R10 ((Register)(R10_RegisterEnumValue))
168 #define R11 ((Register)(R11_RegisterEnumValue))
169 #define R12 ((Register)(R12_RegisterEnumValue))
170 #define R13 ((Register)(R13_RegisterEnumValue))
171 #define R14 ((Register)(R14_RegisterEnumValue))
172 #define R15 ((Register)(R15_RegisterEnumValue))
173 #define R16 ((Register)(R16_RegisterEnumValue))
174 #define R17 ((Register)(R17_RegisterEnumValue))
175 #define R18 ((Register)(R18_RegisterEnumValue))
176 #define R19 ((Register)(R19_RegisterEnumValue))
177 #define R20 ((Register)(R20_RegisterEnumValue))
178 #define R21 ((Register)(R21_RegisterEnumValue))
179 #define R22 ((Register)(R22_RegisterEnumValue))
180 #define R23 ((Register)(R23_RegisterEnumValue))
181 #define R24 ((Register)(R24_RegisterEnumValue))
182 #define R25 ((Register)(R25_RegisterEnumValue))
183 #define R26 ((Register)(R26_RegisterEnumValue))
184 #define R27 ((Register)(R27_RegisterEnumValue))
185 #define R28 ((Register)(R28_RegisterEnumValue))
186 #define R29 ((Register)(R29_RegisterEnumValue))
187 #define R30 ((Register)(R30_RegisterEnumValue))
188 #define R31 ((Register)(R31_RegisterEnumValue))
189 #endif
190
191 // Use ConditionRegister as shortcut
192 class ConditionRegisterImpl;
193 typedef ConditionRegisterImpl* ConditionRegister;
194
195 inline ConditionRegister as_ConditionRegister(int encoding) {
196 assert(encoding >= 0 && encoding < 8, "bad condition register encoding");
197 return (ConditionRegister)(intptr_t)encoding;
198 }
199
200 // The implementation of condition register(s) for the PPC architecture
201 class ConditionRegisterImpl: public AbstractRegisterImpl {
202 public:
203 enum {
204 number_of_registers = 8
205 };
206
207 // construction.
208 inline friend ConditionRegister as_ConditionRegister(int encoding);
209
210 // accessors
211 int encoding() const { assert(is_valid(), "invalid register"); return value(); }
212 VMReg as_VMReg();
213
214 // testers
215 bool is_valid() const { return (0 <= value() && value() < number_of_registers); }
216 bool is_nonvolatile() const { return (2 <= (value()&0x7F) && (value()&0x7F) <= 4 ); }
217
218 const char* name() const;
219 };
220
221 // The (parts of the) condition register(s) of the PPC architecture
222 // sys/ioctl.h on AIX defines CR0-CR3, so I name these CCR.
223 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR0, (0));
224 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR1, (1));
225 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR2, (2));
226 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR3, (3));
227 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR4, (4));
228 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR5, (5));
229 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR6, (6));
230 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR7, (7));
231
232 #ifndef DONT_USE_REGISTER_DEFINES
233
234 #define CCR0 ((ConditionRegister)(CCR0_ConditionRegisterEnumValue))
235 #define CCR1 ((ConditionRegister)(CCR1_ConditionRegisterEnumValue))
236 #define CCR2 ((ConditionRegister)(CCR2_ConditionRegisterEnumValue))
237 #define CCR3 ((ConditionRegister)(CCR3_ConditionRegisterEnumValue))
238 #define CCR4 ((ConditionRegister)(CCR4_ConditionRegisterEnumValue))
239 #define CCR5 ((ConditionRegister)(CCR5_ConditionRegisterEnumValue))
240 #define CCR6 ((ConditionRegister)(CCR6_ConditionRegisterEnumValue))
241 #define CCR7 ((ConditionRegister)(CCR7_ConditionRegisterEnumValue))
242
243 #endif // DONT_USE_REGISTER_DEFINES
244
245
246 // Use FloatRegister as shortcut
247 class FloatRegisterImpl;
248 typedef FloatRegisterImpl* FloatRegister;
249
250 inline FloatRegister as_FloatRegister(int encoding) {
251 assert(encoding >= 0 && encoding < 32, "bad float register encoding");
252 return (FloatRegister)(intptr_t)encoding;
253 }
254
255 // The implementation of float registers for the PPC architecture
256 class FloatRegisterImpl: public AbstractRegisterImpl {
257 public:
258 enum {
259 number_of_registers = 32
260 };
261
262 // construction
263 inline friend FloatRegister as_FloatRegister(int encoding);
264
265 // accessors
266 int encoding() const { assert(is_valid(), "invalid register"); return value(); }
267 VMReg as_VMReg();
268 FloatRegister successor() const { return as_FloatRegister(encoding() + 1); }
269
270 // testers
271 bool is_valid() const { return (0 <= value() && value() < number_of_registers); }
272
273 const char* name() const;
274 };
275
276 // The float registers of the PPC architecture
277 CONSTANT_REGISTER_DECLARATION(FloatRegister, fnoreg, (-1));
278
279 CONSTANT_REGISTER_DECLARATION(FloatRegister, F0, ( 0));
280 CONSTANT_REGISTER_DECLARATION(FloatRegister, F1, ( 1));
281 CONSTANT_REGISTER_DECLARATION(FloatRegister, F2, ( 2));
282 CONSTANT_REGISTER_DECLARATION(FloatRegister, F3, ( 3));
283 CONSTANT_REGISTER_DECLARATION(FloatRegister, F4, ( 4));
284 CONSTANT_REGISTER_DECLARATION(FloatRegister, F5, ( 5));
285 CONSTANT_REGISTER_DECLARATION(FloatRegister, F6, ( 6));
286 CONSTANT_REGISTER_DECLARATION(FloatRegister, F7, ( 7));
287 CONSTANT_REGISTER_DECLARATION(FloatRegister, F8, ( 8));
288 CONSTANT_REGISTER_DECLARATION(FloatRegister, F9, ( 9));
289 CONSTANT_REGISTER_DECLARATION(FloatRegister, F10, (10));
290 CONSTANT_REGISTER_DECLARATION(FloatRegister, F11, (11));
291 CONSTANT_REGISTER_DECLARATION(FloatRegister, F12, (12));
292 CONSTANT_REGISTER_DECLARATION(FloatRegister, F13, (13));
293 CONSTANT_REGISTER_DECLARATION(FloatRegister, F14, (14));
294 CONSTANT_REGISTER_DECLARATION(FloatRegister, F15, (15));
295 CONSTANT_REGISTER_DECLARATION(FloatRegister, F16, (16));
296 CONSTANT_REGISTER_DECLARATION(FloatRegister, F17, (17));
297 CONSTANT_REGISTER_DECLARATION(FloatRegister, F18, (18));
298 CONSTANT_REGISTER_DECLARATION(FloatRegister, F19, (19));
299 CONSTANT_REGISTER_DECLARATION(FloatRegister, F20, (20));
300 CONSTANT_REGISTER_DECLARATION(FloatRegister, F21, (21));
301 CONSTANT_REGISTER_DECLARATION(FloatRegister, F22, (22));
302 CONSTANT_REGISTER_DECLARATION(FloatRegister, F23, (23));
303 CONSTANT_REGISTER_DECLARATION(FloatRegister, F24, (24));
304 CONSTANT_REGISTER_DECLARATION(FloatRegister, F25, (25));
305 CONSTANT_REGISTER_DECLARATION(FloatRegister, F26, (26));
306 CONSTANT_REGISTER_DECLARATION(FloatRegister, F27, (27));
307 CONSTANT_REGISTER_DECLARATION(FloatRegister, F28, (28));
308 CONSTANT_REGISTER_DECLARATION(FloatRegister, F29, (29));
309 CONSTANT_REGISTER_DECLARATION(FloatRegister, F30, (30));
310 CONSTANT_REGISTER_DECLARATION(FloatRegister, F31, (31));
311
312 #ifndef DONT_USE_REGISTER_DEFINES
313 #define fnoreg ((FloatRegister)(fnoreg_FloatRegisterEnumValue))
314 #define F0 ((FloatRegister)( F0_FloatRegisterEnumValue))
315 #define F1 ((FloatRegister)( F1_FloatRegisterEnumValue))
316 #define F2 ((FloatRegister)( F2_FloatRegisterEnumValue))
317 #define F3 ((FloatRegister)( F3_FloatRegisterEnumValue))
318 #define F4 ((FloatRegister)( F4_FloatRegisterEnumValue))
319 #define F5 ((FloatRegister)( F5_FloatRegisterEnumValue))
320 #define F6 ((FloatRegister)( F6_FloatRegisterEnumValue))
321 #define F7 ((FloatRegister)( F7_FloatRegisterEnumValue))
322 #define F8 ((FloatRegister)( F8_FloatRegisterEnumValue))
323 #define F9 ((FloatRegister)( F9_FloatRegisterEnumValue))
324 #define F10 ((FloatRegister)( F10_FloatRegisterEnumValue))
325 #define F11 ((FloatRegister)( F11_FloatRegisterEnumValue))
326 #define F12 ((FloatRegister)( F12_FloatRegisterEnumValue))
327 #define F13 ((FloatRegister)( F13_FloatRegisterEnumValue))
328 #define F14 ((FloatRegister)( F14_FloatRegisterEnumValue))
329 #define F15 ((FloatRegister)( F15_FloatRegisterEnumValue))
330 #define F16 ((FloatRegister)( F16_FloatRegisterEnumValue))
331 #define F17 ((FloatRegister)( F17_FloatRegisterEnumValue))
332 #define F18 ((FloatRegister)( F18_FloatRegisterEnumValue))
333 #define F19 ((FloatRegister)( F19_FloatRegisterEnumValue))
334 #define F20 ((FloatRegister)( F20_FloatRegisterEnumValue))
335 #define F21 ((FloatRegister)( F21_FloatRegisterEnumValue))
336 #define F22 ((FloatRegister)( F22_FloatRegisterEnumValue))
337 #define F23 ((FloatRegister)( F23_FloatRegisterEnumValue))
338 #define F24 ((FloatRegister)( F24_FloatRegisterEnumValue))
339 #define F25 ((FloatRegister)( F25_FloatRegisterEnumValue))
340 #define F26 ((FloatRegister)( F26_FloatRegisterEnumValue))
341 #define F27 ((FloatRegister)( F27_FloatRegisterEnumValue))
342 #define F28 ((FloatRegister)( F28_FloatRegisterEnumValue))
343 #define F29 ((FloatRegister)( F29_FloatRegisterEnumValue))
344 #define F30 ((FloatRegister)( F30_FloatRegisterEnumValue))
345 #define F31 ((FloatRegister)( F31_FloatRegisterEnumValue))
346 #endif // DONT_USE_REGISTER_DEFINES
347
348 // Use SpecialRegister as shortcut
349 class SpecialRegisterImpl;
350 typedef SpecialRegisterImpl* SpecialRegister;
351
352 inline SpecialRegister as_SpecialRegister(int encoding) {
353 return (SpecialRegister)(intptr_t)encoding;
354 }
355
356 // The implementation of special registers for the Power architecture (LR, CTR and friends)
357 class SpecialRegisterImpl: public AbstractRegisterImpl {
358 public:
359 enum {
360 number_of_registers = 6
361 };
362
363 // construction
364 inline friend SpecialRegister as_SpecialRegister(int encoding);
365
366 // accessors
367 int encoding() const { assert(is_valid(), "invalid register"); return value(); }
368 VMReg as_VMReg();
369
370 // testers
371 bool is_valid() const { return 0 <= value() && value() < number_of_registers; }
372
373 const char* name() const;
374 };
375
376 // The special registers of the PPC architecture
377 CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_XER, (0));
378 CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_LR, (1));
379 CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_CTR, (2));
380 CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_VRSAVE, (3));
381 CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_SPEFSCR, (4));
382 CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_PPR, (5));
383
384 #ifndef DONT_USE_REGISTER_DEFINES
385 #define SR_XER ((SpecialRegister)(SR_XER_SpecialRegisterEnumValue))
386 #define SR_LR ((SpecialRegister)(SR_LR_SpecialRegisterEnumValue))
387 #define SR_CTR ((SpecialRegister)(SR_CTR_SpecialRegisterEnumValue))
388 #define SR_VRSAVE ((SpecialRegister)(SR_VRSAVE_SpecialRegisterEnumValue))
389 #define SR_SPEFSCR ((SpecialRegister)(SR_SPEFSCR_SpecialRegisterEnumValue))
390 #define SR_PPR ((SpecialRegister)(SR_PPR_SpecialRegisterEnumValue))
391 #endif // DONT_USE_REGISTER_DEFINES
392
393
394 // Use VectorRegister as shortcut
395 class VectorRegisterImpl;
396 typedef VectorRegisterImpl* VectorRegister;
397
398 inline VectorRegister as_VectorRegister(int encoding) {
399 return (VectorRegister)(intptr_t)encoding;
400 }
401
402 // The implementation of vector registers for the Power architecture
403 class VectorRegisterImpl: public AbstractRegisterImpl {
404 public:
405 enum {
406 number_of_registers = 32
407 };
408
409 // construction
410 inline friend VectorRegister as_VectorRegister(int encoding);
411
412 // accessors
413 int encoding() const { assert(is_valid(), "invalid register"); return value(); }
414
415 // testers
416 bool is_valid() const { return 0 <= value() && value() < number_of_registers; }
417
418 const char* name() const;
419 };
420
421 // The Vector registers of the Power architecture
422
423 CONSTANT_REGISTER_DECLARATION(VectorRegister, vnoreg, (-1));
424
425 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR0, ( 0));
426 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR1, ( 1));
427 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR2, ( 2));
428 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR3, ( 3));
429 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR4, ( 4));
430 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR5, ( 5));
431 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR6, ( 6));
432 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR7, ( 7));
433 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR8, ( 8));
434 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR9, ( 9));
435 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR10, (10));
436 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR11, (11));
437 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR12, (12));
438 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR13, (13));
439 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR14, (14));
440 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR15, (15));
441 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR16, (16));
442 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR17, (17));
443 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR18, (18));
444 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR19, (19));
445 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR20, (20));
446 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR21, (21));
447 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR22, (22));
448 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR23, (23));
449 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR24, (24));
450 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR25, (25));
451 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR26, (26));
452 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR27, (27));
453 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR28, (28));
454 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR29, (29));
455 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR30, (30));
456 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR31, (31));
457
458 #ifndef DONT_USE_REGISTER_DEFINES
459 #define vnoreg ((VectorRegister)(vnoreg_VectorRegisterEnumValue))
460 #define VR0 ((VectorRegister)( VR0_VectorRegisterEnumValue))
461 #define VR1 ((VectorRegister)( VR1_VectorRegisterEnumValue))
462 #define VR2 ((VectorRegister)( VR2_VectorRegisterEnumValue))
463 #define VR3 ((VectorRegister)( VR3_VectorRegisterEnumValue))
464 #define VR4 ((VectorRegister)( VR4_VectorRegisterEnumValue))
465 #define VR5 ((VectorRegister)( VR5_VectorRegisterEnumValue))
466 #define VR6 ((VectorRegister)( VR6_VectorRegisterEnumValue))
467 #define VR7 ((VectorRegister)( VR7_VectorRegisterEnumValue))
468 #define VR8 ((VectorRegister)( VR8_VectorRegisterEnumValue))
469 #define VR9 ((VectorRegister)( VR9_VectorRegisterEnumValue))
470 #define VR10 ((VectorRegister)( VR10_VectorRegisterEnumValue))
471 #define VR11 ((VectorRegister)( VR11_VectorRegisterEnumValue))
472 #define VR12 ((VectorRegister)( VR12_VectorRegisterEnumValue))
473 #define VR13 ((VectorRegister)( VR13_VectorRegisterEnumValue))
474 #define VR14 ((VectorRegister)( VR14_VectorRegisterEnumValue))
475 #define VR15 ((VectorRegister)( VR15_VectorRegisterEnumValue))
476 #define VR16 ((VectorRegister)( VR16_VectorRegisterEnumValue))
477 #define VR17 ((VectorRegister)( VR17_VectorRegisterEnumValue))
478 #define VR18 ((VectorRegister)( VR18_VectorRegisterEnumValue))
479 #define VR19 ((VectorRegister)( VR19_VectorRegisterEnumValue))
480 #define VR20 ((VectorRegister)( VR20_VectorRegisterEnumValue))
481 #define VR21 ((VectorRegister)( VR21_VectorRegisterEnumValue))
482 #define VR22 ((VectorRegister)( VR22_VectorRegisterEnumValue))
483 #define VR23 ((VectorRegister)( VR23_VectorRegisterEnumValue))
484 #define VR24 ((VectorRegister)( VR24_VectorRegisterEnumValue))
485 #define VR25 ((VectorRegister)( VR25_VectorRegisterEnumValue))
486 #define VR26 ((VectorRegister)( VR26_VectorRegisterEnumValue))
487 #define VR27 ((VectorRegister)( VR27_VectorRegisterEnumValue))
488 #define VR28 ((VectorRegister)( VR28_VectorRegisterEnumValue))
489 #define VR29 ((VectorRegister)( VR29_VectorRegisterEnumValue))
490 #define VR30 ((VectorRegister)( VR30_VectorRegisterEnumValue))
491 #define VR31 ((VectorRegister)( VR31_VectorRegisterEnumValue))
492 #endif // DONT_USE_REGISTER_DEFINES
493
494
495 // Maximum number of incoming arguments that can be passed in i registers.
496 const int PPC_ARGS_IN_REGS_NUM = 8;
497
498
499 // Need to know the total number of registers of all sorts for SharedInfo.
500 // Define a class that exports it.
501 class ConcreteRegisterImpl : public AbstractRegisterImpl {
502 public:
503 enum {
504 // This number must be large enough to cover REG_COUNT (defined by c2) registers.
505 // There is no requirement that any ordering here matches any ordering c2 gives
506 // it's optoregs.
507 number_of_registers =
508 ( RegisterImpl::number_of_registers +
509 FloatRegisterImpl::number_of_registers )
510 * 2 // register halves
511 + ConditionRegisterImpl::number_of_registers // condition code registers
512 + SpecialRegisterImpl::number_of_registers // special registers
513 + VectorRegisterImpl::number_of_registers // vector registers
514 };
515
516 static const int max_gpr;
517 static const int max_fpr;
518 static const int max_cnd;
519 };
520
521 // Common register declarations used in assembler code.
522 REGISTER_DECLARATION(Register, R0_SCRATCH, R0); // volatile
523 REGISTER_DECLARATION(Register, R1_SP, R1); // non-volatile
524 REGISTER_DECLARATION(Register, R2_TOC, R2); // volatile
525 REGISTER_DECLARATION(Register, R3_RET, R3); // volatile
526 REGISTER_DECLARATION(Register, R3_ARG1, R3); // volatile
527 REGISTER_DECLARATION(Register, R4_ARG2, R4); // volatile
528 REGISTER_DECLARATION(Register, R5_ARG3, R5); // volatile
529 REGISTER_DECLARATION(Register, R6_ARG4, R6); // volatile
530 REGISTER_DECLARATION(Register, R7_ARG5, R7); // volatile
531 REGISTER_DECLARATION(Register, R8_ARG6, R8); // volatile
532 REGISTER_DECLARATION(Register, R9_ARG7, R9); // volatile
533 REGISTER_DECLARATION(Register, R10_ARG8, R10); // volatile
534 REGISTER_DECLARATION(FloatRegister, FO_SCRATCH, F0); // volatile
535 REGISTER_DECLARATION(FloatRegister, F1_RET, F1); // volatile
536 REGISTER_DECLARATION(FloatRegister, F1_ARG1, F1); // volatile
537 REGISTER_DECLARATION(FloatRegister, F2_ARG2, F2); // volatile
538 REGISTER_DECLARATION(FloatRegister, F3_ARG3, F3); // volatile
539 REGISTER_DECLARATION(FloatRegister, F4_ARG4, F4); // volatile
540 REGISTER_DECLARATION(FloatRegister, F5_ARG5, F5); // volatile
541 REGISTER_DECLARATION(FloatRegister, F6_ARG6, F6); // volatile
542 REGISTER_DECLARATION(FloatRegister, F7_ARG7, F7); // volatile
543 REGISTER_DECLARATION(FloatRegister, F8_ARG8, F8); // volatile
544 REGISTER_DECLARATION(FloatRegister, F9_ARG9, F9); // volatile
545 REGISTER_DECLARATION(FloatRegister, F10_ARG10, F10); // volatile
546 REGISTER_DECLARATION(FloatRegister, F11_ARG11, F11); // volatile
547 REGISTER_DECLARATION(FloatRegister, F12_ARG12, F12); // volatile
548 REGISTER_DECLARATION(FloatRegister, F13_ARG13, F13); // volatile
549
550 #ifndef DONT_USE_REGISTER_DEFINES
551 #define R0_SCRATCH AS_REGISTER(Register, R0)
552 #define R1_SP AS_REGISTER(Register, R1)
553 #define R2_TOC AS_REGISTER(Register, R2)
554 #define R3_RET AS_REGISTER(Register, R3)
555 #define R3_ARG1 AS_REGISTER(Register, R3)
556 #define R4_ARG2 AS_REGISTER(Register, R4)
557 #define R5_ARG3 AS_REGISTER(Register, R5)
558 #define R6_ARG4 AS_REGISTER(Register, R6)
559 #define R7_ARG5 AS_REGISTER(Register, R7)
560 #define R8_ARG6 AS_REGISTER(Register, R8)
561 #define R9_ARG7 AS_REGISTER(Register, R9)
562 #define R10_ARG8 AS_REGISTER(Register, R10)
563 #define FO_SCRATCH AS_REGISTER(FloatRegister, F0)
564 #define F1_RET AS_REGISTER(FloatRegister, F1)
565 #define F1_ARG1 AS_REGISTER(FloatRegister, F1)
566 #define F2_ARG2 AS_REGISTER(FloatRegister, F2)
567 #define F3_ARG3 AS_REGISTER(FloatRegister, F3)
568 #define F4_ARG4 AS_REGISTER(FloatRegister, F4)
569 #define F5_ARG5 AS_REGISTER(FloatRegister, F5)
570 #define F6_ARG6 AS_REGISTER(FloatRegister, F6)
571 #define F7_ARG7 AS_REGISTER(FloatRegister, F7)
572 #define F8_ARG8 AS_REGISTER(FloatRegister, F8)
573 #define F9_ARG9 AS_REGISTER(FloatRegister, F9)
574 #define F10_ARG10 AS_REGISTER(FloatRegister, F10)
575 #define F11_ARG11 AS_REGISTER(FloatRegister, F11)
576 #define F12_ARG12 AS_REGISTER(FloatRegister, F12)
577 #define F13_ARG13 AS_REGISTER(FloatRegister, F13)
578 #endif
579
580 // Register declarations to be used in frame manager assembly code.
581 // Use only non-volatile registers in order to keep values across C-calls.
582 REGISTER_DECLARATION(Register, R14_state, R14); // address of new cInterpreter.
583 REGISTER_DECLARATION(Register, R15_prev_state, R15); // address of old cInterpreter
584 REGISTER_DECLARATION(Register, R16_thread, R16); // address of current thread
585 REGISTER_DECLARATION(Register, R17_tos, R17); // address of Java tos (prepushed).
586 REGISTER_DECLARATION(Register, R18_locals, R18); // address of first param slot (receiver).
587 REGISTER_DECLARATION(Register, R19_method, R19); // address of current method
588 #ifndef DONT_USE_REGISTER_DEFINES
589 #define R14_state AS_REGISTER(Register, R14)
590 #define R15_prev_state AS_REGISTER(Register, R15)
591 #define R16_thread AS_REGISTER(Register, R16)
592 #define R17_tos AS_REGISTER(Register, R17)
593 #define R18_locals AS_REGISTER(Register, R18)
594 #define R19_method AS_REGISTER(Register, R19)
595 #define R21_sender_SP AS_REGISTER(Register, R21)
596 #define R23_method_handle AS_REGISTER(Register, R23)
597 #endif
598
599 // Temporary registers to be used within frame manager. We can use
600 // the non-volatiles because the call stub has saved them.
601 // Use only non-volatile registers in order to keep values across C-calls.
602 REGISTER_DECLARATION(Register, R21_tmp1, R21);
603 REGISTER_DECLARATION(Register, R22_tmp2, R22);
604 REGISTER_DECLARATION(Register, R23_tmp3, R23);
605 REGISTER_DECLARATION(Register, R24_tmp4, R24);
606 REGISTER_DECLARATION(Register, R25_tmp5, R25);
607 REGISTER_DECLARATION(Register, R26_tmp6, R26);
608 REGISTER_DECLARATION(Register, R27_tmp7, R27);
609 REGISTER_DECLARATION(Register, R28_tmp8, R28);
610 REGISTER_DECLARATION(Register, R29_tmp9, R29);
611 REGISTER_DECLARATION(Register, R30_polling_page, R30);
612 #ifndef DONT_USE_REGISTER_DEFINES
613 #define R21_tmp1 AS_REGISTER(Register, R21)
614 #define R22_tmp2 AS_REGISTER(Register, R22)
615 #define R23_tmp3 AS_REGISTER(Register, R23)
616 #define R24_tmp4 AS_REGISTER(Register, R24)
617 #define R25_tmp5 AS_REGISTER(Register, R25)
618 #define R26_tmp6 AS_REGISTER(Register, R26)
619 #define R27_tmp7 AS_REGISTER(Register, R27)
620 #define R28_tmp8 AS_REGISTER(Register, R28)
621 #define R29_tmp9 AS_REGISTER(Register, R29)
622 #define R30_polling_page AS_REGISTER(Register, R30)
623
624 #define CCR4_is_synced AS_REGISTER(ConditionRegister, CCR4)
625 #endif
626
627 // Scratch registers are volatile.
628 REGISTER_DECLARATION(Register, R11_scratch1, R11);
629 REGISTER_DECLARATION(Register, R12_scratch2, R12);
630 #ifndef DONT_USE_REGISTER_DEFINES
631 #define R11_scratch1 AS_REGISTER(Register, R11)
632 #define R12_scratch2 AS_REGISTER(Register, R12)
633 #endif
634
635 #endif // CPU_PPC_VM_REGISTER_PPC_HPP