1 /*
2 * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2018 SAP SE. 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_REGISTER_PPC_HPP
27 #define CPU_PPC_REGISTER_PPC_HPP
28
29 #include "asm/register.hpp"
30
31 // forward declaration
32 class Address;
33 class VMRegImpl;
34 typedef VMRegImpl* VMReg;
35
36 // PPC64 registers
37 //
38 // See "64-bit PowerPC ELF ABI Supplement 1.7", IBM Corp. (2003-10-29).
39 // (http://math-atlas.sourceforge.net/devel/assembly/PPC-elf64abi-1.7.pdf)
40 //
41 // r0 Register used in function prologs (volatile)
42 // r1 Stack pointer (nonvolatile)
43 // r2 TOC pointer (volatile)
44 // r3 Parameter and return value (volatile)
45 // r4-r10 Function parameters (volatile)
46 // r11 Register used in calls by pointer and as an environment pointer for languages which require one (volatile)
47 // r12 Register used for exception handling and glink code (volatile)
48 // r13 Reserved for use as system thread ID
49 // r14-r31 Local variables (nonvolatile)
50 //
51 // f0 Scratch register (volatile)
52 // f1-f4 Floating point parameters and return value (volatile)
53 // f5-f13 Floating point parameters (volatile)
54 // f14-f31 Floating point values (nonvolatile)
55 //
56 // LR Link register for return address (volatile)
57 // CTR Loop counter (volatile)
58 // XER Fixed point exception register (volatile)
59 // FPSCR Floating point status and control register (volatile)
60 //
61 // CR0-CR1 Condition code fields (volatile)
62 // CR2-CR4 Condition code fields (nonvolatile)
63 // CR5-CR7 Condition code fields (volatile)
64 //
65 // ----------------------------------------------
66 // On processors with the VMX feature:
67 // v0-v1 Volatile scratch registers
68 // v2-v13 Volatile vector parameters registers
69 // v14-v19 Volatile scratch registers
70 // v20-v31 Non-volatile registers
71 // vrsave Non-volatile 32-bit register
72
73
74 // Use Register as shortcut
75 class RegisterImpl;
76 typedef RegisterImpl* Register;
77
as_Register(int encoding)78 inline Register as_Register(int encoding) {
79 assert(encoding >= -1 && encoding < 32, "bad register encoding");
80 return (Register)(intptr_t)encoding;
81 }
82
83 // The implementation of integer registers for the Power architecture
84 class RegisterImpl: public AbstractRegisterImpl {
85 public:
86 enum {
87 number_of_registers = 32
88 };
89
90 // general construction
91 inline friend Register as_Register(int encoding);
92
93 // accessors
encoding() const94 int encoding() const { assert(is_valid(), "invalid register"); return value(); }
95 inline VMReg as_VMReg();
successor() const96 Register successor() const { return as_Register(encoding() + 1); }
97
98 // testers
is_valid() const99 bool is_valid() const { return ( 0 <= (value()&0x7F) && (value()&0x7F) < number_of_registers); }
is_volatile() const100 bool is_volatile() const { return ( 0 <= (value()&0x7F) && (value()&0x7F) <= 13 ); }
is_nonvolatile() const101 bool is_nonvolatile() const { return (14 <= (value()&0x7F) && (value()&0x7F) <= 31 ); }
102
103 const char* name() const;
104 };
105
106 // The integer registers of the PPC architecture
107 CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1));
108
109 CONSTANT_REGISTER_DECLARATION(Register, R0, (0));
110 CONSTANT_REGISTER_DECLARATION(Register, R1, (1));
111 CONSTANT_REGISTER_DECLARATION(Register, R2, (2));
112 CONSTANT_REGISTER_DECLARATION(Register, R3, (3));
113 CONSTANT_REGISTER_DECLARATION(Register, R4, (4));
114 CONSTANT_REGISTER_DECLARATION(Register, R5, (5));
115 CONSTANT_REGISTER_DECLARATION(Register, R6, (6));
116 CONSTANT_REGISTER_DECLARATION(Register, R7, (7));
117 CONSTANT_REGISTER_DECLARATION(Register, R8, (8));
118 CONSTANT_REGISTER_DECLARATION(Register, R9, (9));
119 CONSTANT_REGISTER_DECLARATION(Register, R10, (10));
120 CONSTANT_REGISTER_DECLARATION(Register, R11, (11));
121 CONSTANT_REGISTER_DECLARATION(Register, R12, (12));
122 CONSTANT_REGISTER_DECLARATION(Register, R13, (13));
123 CONSTANT_REGISTER_DECLARATION(Register, R14, (14));
124 CONSTANT_REGISTER_DECLARATION(Register, R15, (15));
125 CONSTANT_REGISTER_DECLARATION(Register, R16, (16));
126 CONSTANT_REGISTER_DECLARATION(Register, R17, (17));
127 CONSTANT_REGISTER_DECLARATION(Register, R18, (18));
128 CONSTANT_REGISTER_DECLARATION(Register, R19, (19));
129 CONSTANT_REGISTER_DECLARATION(Register, R20, (20));
130 CONSTANT_REGISTER_DECLARATION(Register, R21, (21));
131 CONSTANT_REGISTER_DECLARATION(Register, R22, (22));
132 CONSTANT_REGISTER_DECLARATION(Register, R23, (23));
133 CONSTANT_REGISTER_DECLARATION(Register, R24, (24));
134 CONSTANT_REGISTER_DECLARATION(Register, R25, (25));
135 CONSTANT_REGISTER_DECLARATION(Register, R26, (26));
136 CONSTANT_REGISTER_DECLARATION(Register, R27, (27));
137 CONSTANT_REGISTER_DECLARATION(Register, R28, (28));
138 CONSTANT_REGISTER_DECLARATION(Register, R29, (29));
139 CONSTANT_REGISTER_DECLARATION(Register, R30, (30));
140 CONSTANT_REGISTER_DECLARATION(Register, R31, (31));
141
142
143 //
144 // Because Power has many registers, #define'ing values for them is
145 // beneficial in code size and is worth the cost of some of the
146 // dangers of defines. If a particular file has a problem with these
147 // defines then it's possible to turn them off in that file by
148 // defining DONT_USE_REGISTER_DEFINES. Register_definition_ppc.cpp
149 // does that so that it's able to provide real definitions of these
150 // registers for use in debuggers and such.
151 //
152
153 #ifndef DONT_USE_REGISTER_DEFINES
154 #define noreg ((Register)(noreg_RegisterEnumValue))
155
156 #define R0 ((Register)(R0_RegisterEnumValue))
157 #define R1 ((Register)(R1_RegisterEnumValue))
158 #define R2 ((Register)(R2_RegisterEnumValue))
159 #define R3 ((Register)(R3_RegisterEnumValue))
160 #define R4 ((Register)(R4_RegisterEnumValue))
161 #define R5 ((Register)(R5_RegisterEnumValue))
162 #define R6 ((Register)(R6_RegisterEnumValue))
163 #define R7 ((Register)(R7_RegisterEnumValue))
164 #define R8 ((Register)(R8_RegisterEnumValue))
165 #define R9 ((Register)(R9_RegisterEnumValue))
166 #define R10 ((Register)(R10_RegisterEnumValue))
167 #define R11 ((Register)(R11_RegisterEnumValue))
168 #define R12 ((Register)(R12_RegisterEnumValue))
169 #define R13 ((Register)(R13_RegisterEnumValue))
170 #define R14 ((Register)(R14_RegisterEnumValue))
171 #define R15 ((Register)(R15_RegisterEnumValue))
172 #define R16 ((Register)(R16_RegisterEnumValue))
173 #define R17 ((Register)(R17_RegisterEnumValue))
174 #define R18 ((Register)(R18_RegisterEnumValue))
175 #define R19 ((Register)(R19_RegisterEnumValue))
176 #define R20 ((Register)(R20_RegisterEnumValue))
177 #define R21 ((Register)(R21_RegisterEnumValue))
178 #define R22 ((Register)(R22_RegisterEnumValue))
179 #define R23 ((Register)(R23_RegisterEnumValue))
180 #define R24 ((Register)(R24_RegisterEnumValue))
181 #define R25 ((Register)(R25_RegisterEnumValue))
182 #define R26 ((Register)(R26_RegisterEnumValue))
183 #define R27 ((Register)(R27_RegisterEnumValue))
184 #define R28 ((Register)(R28_RegisterEnumValue))
185 #define R29 ((Register)(R29_RegisterEnumValue))
186 #define R30 ((Register)(R30_RegisterEnumValue))
187 #define R31 ((Register)(R31_RegisterEnumValue))
188 #endif
189
190 // Use ConditionRegister as shortcut
191 class ConditionRegisterImpl;
192 typedef ConditionRegisterImpl* ConditionRegister;
193
as_ConditionRegister(int encoding)194 inline ConditionRegister as_ConditionRegister(int encoding) {
195 assert(encoding >= 0 && encoding < 8, "bad condition register encoding");
196 return (ConditionRegister)(intptr_t)encoding;
197 }
198
199 // The implementation of condition register(s) for the PPC architecture
200 class ConditionRegisterImpl: public AbstractRegisterImpl {
201 public:
202 enum {
203 number_of_registers = 8
204 };
205
206 // construction.
207 inline friend ConditionRegister as_ConditionRegister(int encoding);
208
209 // accessors
encoding() const210 int encoding() const { assert(is_valid(), "invalid register"); return value(); }
211 inline VMReg as_VMReg();
212
213 // testers
is_valid() const214 bool is_valid() const { return (0 <= value() && value() < number_of_registers); }
is_nonvolatile() const215 bool is_nonvolatile() const { return (2 <= (value()&0x7F) && (value()&0x7F) <= 4 ); }
216
217 const char* name() const;
218 };
219
220 // The (parts of the) condition register(s) of the PPC architecture
221 // sys/ioctl.h on AIX defines CR0-CR3, so I name these CCR.
222 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR0, (0));
223 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR1, (1));
224 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR2, (2));
225 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR3, (3));
226 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR4, (4));
227 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR5, (5));
228 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR6, (6));
229 CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR7, (7));
230
231 #ifndef DONT_USE_REGISTER_DEFINES
232
233 #define CCR0 ((ConditionRegister)(CCR0_ConditionRegisterEnumValue))
234 #define CCR1 ((ConditionRegister)(CCR1_ConditionRegisterEnumValue))
235 #define CCR2 ((ConditionRegister)(CCR2_ConditionRegisterEnumValue))
236 #define CCR3 ((ConditionRegister)(CCR3_ConditionRegisterEnumValue))
237 #define CCR4 ((ConditionRegister)(CCR4_ConditionRegisterEnumValue))
238 #define CCR5 ((ConditionRegister)(CCR5_ConditionRegisterEnumValue))
239 #define CCR6 ((ConditionRegister)(CCR6_ConditionRegisterEnumValue))
240 #define CCR7 ((ConditionRegister)(CCR7_ConditionRegisterEnumValue))
241
242 #endif // DONT_USE_REGISTER_DEFINES
243
244 // Forward declaration
245 // Use VectorSRegister as a shortcut.
246 class VectorSRegisterImpl;
247 typedef VectorSRegisterImpl* VectorSRegister;
248
249 // Use FloatRegister as shortcut
250 class FloatRegisterImpl;
251 typedef FloatRegisterImpl* FloatRegister;
252
as_FloatRegister(int encoding)253 inline FloatRegister as_FloatRegister(int encoding) {
254 assert(encoding >= -1 && encoding < 32, "bad float register encoding");
255 return (FloatRegister)(intptr_t)encoding;
256 }
257
258 // The implementation of float registers for the PPC architecture
259 class FloatRegisterImpl: public AbstractRegisterImpl {
260 public:
261 enum {
262 number_of_registers = 32
263 };
264
265 // construction
266 inline friend FloatRegister as_FloatRegister(int encoding);
267
268 // accessors
encoding() const269 int encoding() const { assert(is_valid(), "invalid register"); return value(); }
270 inline VMReg as_VMReg();
successor() const271 FloatRegister successor() const { return as_FloatRegister(encoding() + 1); }
272
273 // testers
is_valid() const274 bool is_valid() const { return (0 <= value() && value() < number_of_registers); }
275
276 const char* name() const;
277
278 // convert to VSR
279 VectorSRegister to_vsr() const;
280 };
281
282 // The float registers of the PPC architecture
283 CONSTANT_REGISTER_DECLARATION(FloatRegister, fnoreg, (-1));
284
285 CONSTANT_REGISTER_DECLARATION(FloatRegister, F0, ( 0));
286 CONSTANT_REGISTER_DECLARATION(FloatRegister, F1, ( 1));
287 CONSTANT_REGISTER_DECLARATION(FloatRegister, F2, ( 2));
288 CONSTANT_REGISTER_DECLARATION(FloatRegister, F3, ( 3));
289 CONSTANT_REGISTER_DECLARATION(FloatRegister, F4, ( 4));
290 CONSTANT_REGISTER_DECLARATION(FloatRegister, F5, ( 5));
291 CONSTANT_REGISTER_DECLARATION(FloatRegister, F6, ( 6));
292 CONSTANT_REGISTER_DECLARATION(FloatRegister, F7, ( 7));
293 CONSTANT_REGISTER_DECLARATION(FloatRegister, F8, ( 8));
294 CONSTANT_REGISTER_DECLARATION(FloatRegister, F9, ( 9));
295 CONSTANT_REGISTER_DECLARATION(FloatRegister, F10, (10));
296 CONSTANT_REGISTER_DECLARATION(FloatRegister, F11, (11));
297 CONSTANT_REGISTER_DECLARATION(FloatRegister, F12, (12));
298 CONSTANT_REGISTER_DECLARATION(FloatRegister, F13, (13));
299 CONSTANT_REGISTER_DECLARATION(FloatRegister, F14, (14));
300 CONSTANT_REGISTER_DECLARATION(FloatRegister, F15, (15));
301 CONSTANT_REGISTER_DECLARATION(FloatRegister, F16, (16));
302 CONSTANT_REGISTER_DECLARATION(FloatRegister, F17, (17));
303 CONSTANT_REGISTER_DECLARATION(FloatRegister, F18, (18));
304 CONSTANT_REGISTER_DECLARATION(FloatRegister, F19, (19));
305 CONSTANT_REGISTER_DECLARATION(FloatRegister, F20, (20));
306 CONSTANT_REGISTER_DECLARATION(FloatRegister, F21, (21));
307 CONSTANT_REGISTER_DECLARATION(FloatRegister, F22, (22));
308 CONSTANT_REGISTER_DECLARATION(FloatRegister, F23, (23));
309 CONSTANT_REGISTER_DECLARATION(FloatRegister, F24, (24));
310 CONSTANT_REGISTER_DECLARATION(FloatRegister, F25, (25));
311 CONSTANT_REGISTER_DECLARATION(FloatRegister, F26, (26));
312 CONSTANT_REGISTER_DECLARATION(FloatRegister, F27, (27));
313 CONSTANT_REGISTER_DECLARATION(FloatRegister, F28, (28));
314 CONSTANT_REGISTER_DECLARATION(FloatRegister, F29, (29));
315 CONSTANT_REGISTER_DECLARATION(FloatRegister, F30, (30));
316 CONSTANT_REGISTER_DECLARATION(FloatRegister, F31, (31));
317
318 #ifndef DONT_USE_REGISTER_DEFINES
319 #define fnoreg ((FloatRegister)(fnoreg_FloatRegisterEnumValue))
320 #define F0 ((FloatRegister)( F0_FloatRegisterEnumValue))
321 #define F1 ((FloatRegister)( F1_FloatRegisterEnumValue))
322 #define F2 ((FloatRegister)( F2_FloatRegisterEnumValue))
323 #define F3 ((FloatRegister)( F3_FloatRegisterEnumValue))
324 #define F4 ((FloatRegister)( F4_FloatRegisterEnumValue))
325 #define F5 ((FloatRegister)( F5_FloatRegisterEnumValue))
326 #define F6 ((FloatRegister)( F6_FloatRegisterEnumValue))
327 #define F7 ((FloatRegister)( F7_FloatRegisterEnumValue))
328 #define F8 ((FloatRegister)( F8_FloatRegisterEnumValue))
329 #define F9 ((FloatRegister)( F9_FloatRegisterEnumValue))
330 #define F10 ((FloatRegister)( F10_FloatRegisterEnumValue))
331 #define F11 ((FloatRegister)( F11_FloatRegisterEnumValue))
332 #define F12 ((FloatRegister)( F12_FloatRegisterEnumValue))
333 #define F13 ((FloatRegister)( F13_FloatRegisterEnumValue))
334 #define F14 ((FloatRegister)( F14_FloatRegisterEnumValue))
335 #define F15 ((FloatRegister)( F15_FloatRegisterEnumValue))
336 #define F16 ((FloatRegister)( F16_FloatRegisterEnumValue))
337 #define F17 ((FloatRegister)( F17_FloatRegisterEnumValue))
338 #define F18 ((FloatRegister)( F18_FloatRegisterEnumValue))
339 #define F19 ((FloatRegister)( F19_FloatRegisterEnumValue))
340 #define F20 ((FloatRegister)( F20_FloatRegisterEnumValue))
341 #define F21 ((FloatRegister)( F21_FloatRegisterEnumValue))
342 #define F22 ((FloatRegister)( F22_FloatRegisterEnumValue))
343 #define F23 ((FloatRegister)( F23_FloatRegisterEnumValue))
344 #define F24 ((FloatRegister)( F24_FloatRegisterEnumValue))
345 #define F25 ((FloatRegister)( F25_FloatRegisterEnumValue))
346 #define F26 ((FloatRegister)( F26_FloatRegisterEnumValue))
347 #define F27 ((FloatRegister)( F27_FloatRegisterEnumValue))
348 #define F28 ((FloatRegister)( F28_FloatRegisterEnumValue))
349 #define F29 ((FloatRegister)( F29_FloatRegisterEnumValue))
350 #define F30 ((FloatRegister)( F30_FloatRegisterEnumValue))
351 #define F31 ((FloatRegister)( F31_FloatRegisterEnumValue))
352 #endif // DONT_USE_REGISTER_DEFINES
353
354 // Use SpecialRegister as shortcut
355 class SpecialRegisterImpl;
356 typedef SpecialRegisterImpl* SpecialRegister;
357
as_SpecialRegister(int encoding)358 inline SpecialRegister as_SpecialRegister(int encoding) {
359 return (SpecialRegister)(intptr_t)encoding;
360 }
361
362 // The implementation of special registers for the Power architecture (LR, CTR and friends)
363 class SpecialRegisterImpl: public AbstractRegisterImpl {
364 public:
365 enum {
366 number_of_registers = 6
367 };
368
369 // construction
370 inline friend SpecialRegister as_SpecialRegister(int encoding);
371
372 // accessors
encoding() const373 int encoding() const { assert(is_valid(), "invalid register"); return value(); }
374 inline VMReg as_VMReg();
375
376 // testers
is_valid() const377 bool is_valid() const { return 0 <= value() && value() < number_of_registers; }
378
379 const char* name() const;
380 };
381
382 // The special registers of the PPC architecture
383 CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_XER, (0));
384 CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_LR, (1));
385 CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_CTR, (2));
386 CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_VRSAVE, (3));
387 CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_SPEFSCR, (4));
388 CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_PPR, (5));
389
390 #ifndef DONT_USE_REGISTER_DEFINES
391 #define SR_XER ((SpecialRegister)(SR_XER_SpecialRegisterEnumValue))
392 #define SR_LR ((SpecialRegister)(SR_LR_SpecialRegisterEnumValue))
393 #define SR_CTR ((SpecialRegister)(SR_CTR_SpecialRegisterEnumValue))
394 #define SR_VRSAVE ((SpecialRegister)(SR_VRSAVE_SpecialRegisterEnumValue))
395 #define SR_SPEFSCR ((SpecialRegister)(SR_SPEFSCR_SpecialRegisterEnumValue))
396 #define SR_PPR ((SpecialRegister)(SR_PPR_SpecialRegisterEnumValue))
397 #endif // DONT_USE_REGISTER_DEFINES
398
399
400 // Use VectorRegister as shortcut
401 class VectorRegisterImpl;
402 typedef VectorRegisterImpl* VectorRegister;
403
as_VectorRegister(int encoding)404 inline VectorRegister as_VectorRegister(int encoding) {
405 return (VectorRegister)(intptr_t)encoding;
406 }
407
408 // The implementation of vector registers for the Power architecture
409 class VectorRegisterImpl: public AbstractRegisterImpl {
410 public:
411 enum {
412 number_of_registers = 32
413 };
414
415 // construction
416 inline friend VectorRegister as_VectorRegister(int encoding);
417
418 // accessors
encoding() const419 int encoding() const { assert(is_valid(), "invalid register"); return value(); }
420
421 // testers
is_valid() const422 bool is_valid() const { return 0 <= value() && value() < number_of_registers; }
423
424 const char* name() const;
425
426 // convert to VSR
427 VectorSRegister to_vsr() const;
428 };
429
430 // The Vector registers of the Power architecture
431
432 CONSTANT_REGISTER_DECLARATION(VectorRegister, vnoreg, (-1));
433
434 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR0, ( 0));
435 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR1, ( 1));
436 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR2, ( 2));
437 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR3, ( 3));
438 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR4, ( 4));
439 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR5, ( 5));
440 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR6, ( 6));
441 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR7, ( 7));
442 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR8, ( 8));
443 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR9, ( 9));
444 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR10, (10));
445 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR11, (11));
446 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR12, (12));
447 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR13, (13));
448 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR14, (14));
449 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR15, (15));
450 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR16, (16));
451 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR17, (17));
452 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR18, (18));
453 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR19, (19));
454 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR20, (20));
455 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR21, (21));
456 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR22, (22));
457 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR23, (23));
458 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR24, (24));
459 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR25, (25));
460 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR26, (26));
461 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR27, (27));
462 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR28, (28));
463 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR29, (29));
464 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR30, (30));
465 CONSTANT_REGISTER_DECLARATION(VectorRegister, VR31, (31));
466
467 #ifndef DONT_USE_REGISTER_DEFINES
468 #define vnoreg ((VectorRegister)(vnoreg_VectorRegisterEnumValue))
469 #define VR0 ((VectorRegister)( VR0_VectorRegisterEnumValue))
470 #define VR1 ((VectorRegister)( VR1_VectorRegisterEnumValue))
471 #define VR2 ((VectorRegister)( VR2_VectorRegisterEnumValue))
472 #define VR3 ((VectorRegister)( VR3_VectorRegisterEnumValue))
473 #define VR4 ((VectorRegister)( VR4_VectorRegisterEnumValue))
474 #define VR5 ((VectorRegister)( VR5_VectorRegisterEnumValue))
475 #define VR6 ((VectorRegister)( VR6_VectorRegisterEnumValue))
476 #define VR7 ((VectorRegister)( VR7_VectorRegisterEnumValue))
477 #define VR8 ((VectorRegister)( VR8_VectorRegisterEnumValue))
478 #define VR9 ((VectorRegister)( VR9_VectorRegisterEnumValue))
479 #define VR10 ((VectorRegister)( VR10_VectorRegisterEnumValue))
480 #define VR11 ((VectorRegister)( VR11_VectorRegisterEnumValue))
481 #define VR12 ((VectorRegister)( VR12_VectorRegisterEnumValue))
482 #define VR13 ((VectorRegister)( VR13_VectorRegisterEnumValue))
483 #define VR14 ((VectorRegister)( VR14_VectorRegisterEnumValue))
484 #define VR15 ((VectorRegister)( VR15_VectorRegisterEnumValue))
485 #define VR16 ((VectorRegister)( VR16_VectorRegisterEnumValue))
486 #define VR17 ((VectorRegister)( VR17_VectorRegisterEnumValue))
487 #define VR18 ((VectorRegister)( VR18_VectorRegisterEnumValue))
488 #define VR19 ((VectorRegister)( VR19_VectorRegisterEnumValue))
489 #define VR20 ((VectorRegister)( VR20_VectorRegisterEnumValue))
490 #define VR21 ((VectorRegister)( VR21_VectorRegisterEnumValue))
491 #define VR22 ((VectorRegister)( VR22_VectorRegisterEnumValue))
492 #define VR23 ((VectorRegister)( VR23_VectorRegisterEnumValue))
493 #define VR24 ((VectorRegister)( VR24_VectorRegisterEnumValue))
494 #define VR25 ((VectorRegister)( VR25_VectorRegisterEnumValue))
495 #define VR26 ((VectorRegister)( VR26_VectorRegisterEnumValue))
496 #define VR27 ((VectorRegister)( VR27_VectorRegisterEnumValue))
497 #define VR28 ((VectorRegister)( VR28_VectorRegisterEnumValue))
498 #define VR29 ((VectorRegister)( VR29_VectorRegisterEnumValue))
499 #define VR30 ((VectorRegister)( VR30_VectorRegisterEnumValue))
500 #define VR31 ((VectorRegister)( VR31_VectorRegisterEnumValue))
501 #endif // DONT_USE_REGISTER_DEFINES
502
503
as_VectorSRegister(int encoding)504 inline VectorSRegister as_VectorSRegister(int encoding) {
505 return (VectorSRegister)(intptr_t)encoding;
506 }
507
508 // The implementation of Vector-Scalar (VSX) registers on POWER architecture.
509 class VectorSRegisterImpl: public AbstractRegisterImpl {
510 public:
511 enum {
512 number_of_registers = 64
513 };
514
515 // construction
516 inline friend VectorSRegister as_VectorSRegister(int encoding);
517
518 // accessors
encoding() const519 int encoding() const { assert(is_valid(), "invalid register"); return value(); }
520 inline VMReg as_VMReg();
521
522 // testers
is_valid() const523 bool is_valid() const { return 0 <= value() && value() < number_of_registers; }
524
525 const char* name() const;
526
527 // convert to VR
528 VectorRegister to_vr() const;
529 };
530
531 // The Vector-Scalar (VSX) registers of the POWER architecture.
532
533 CONSTANT_REGISTER_DECLARATION(VectorSRegister, vsnoreg, (-1));
534
535 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR0, ( 0));
536 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR1, ( 1));
537 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR2, ( 2));
538 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR3, ( 3));
539 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR4, ( 4));
540 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR5, ( 5));
541 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR6, ( 6));
542 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR7, ( 7));
543 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR8, ( 8));
544 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR9, ( 9));
545 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR10, (10));
546 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR11, (11));
547 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR12, (12));
548 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR13, (13));
549 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR14, (14));
550 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR15, (15));
551 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR16, (16));
552 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR17, (17));
553 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR18, (18));
554 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR19, (19));
555 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR20, (20));
556 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR21, (21));
557 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR22, (22));
558 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR23, (23));
559 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR24, (24));
560 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR25, (25));
561 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR26, (26));
562 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR27, (27));
563 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR28, (28));
564 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR29, (29));
565 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR30, (30));
566 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR31, (31));
567 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR32, (32));
568 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR33, (33));
569 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR34, (34));
570 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR35, (35));
571 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR36, (36));
572 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR37, (37));
573 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR38, (38));
574 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR39, (39));
575 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR40, (40));
576 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR41, (41));
577 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR42, (42));
578 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR43, (43));
579 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR44, (44));
580 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR45, (45));
581 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR46, (46));
582 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR47, (47));
583 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR48, (48));
584 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR49, (49));
585 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR50, (50));
586 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR51, (51));
587 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR52, (52));
588 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR53, (53));
589 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR54, (54));
590 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR55, (55));
591 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR56, (56));
592 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR57, (57));
593 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR58, (58));
594 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR59, (59));
595 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR60, (60));
596 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR61, (61));
597 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR62, (62));
598 CONSTANT_REGISTER_DECLARATION(VectorSRegister, VSR63, (63));
599
600 #ifndef DONT_USE_REGISTER_DEFINES
601 #define vsnoreg ((VectorSRegister)(vsnoreg_VectorSRegisterEnumValue))
602 #define VSR0 ((VectorSRegister)( VSR0_VectorSRegisterEnumValue))
603 #define VSR1 ((VectorSRegister)( VSR1_VectorSRegisterEnumValue))
604 #define VSR2 ((VectorSRegister)( VSR2_VectorSRegisterEnumValue))
605 #define VSR3 ((VectorSRegister)( VSR3_VectorSRegisterEnumValue))
606 #define VSR4 ((VectorSRegister)( VSR4_VectorSRegisterEnumValue))
607 #define VSR5 ((VectorSRegister)( VSR5_VectorSRegisterEnumValue))
608 #define VSR6 ((VectorSRegister)( VSR6_VectorSRegisterEnumValue))
609 #define VSR7 ((VectorSRegister)( VSR7_VectorSRegisterEnumValue))
610 #define VSR8 ((VectorSRegister)( VSR8_VectorSRegisterEnumValue))
611 #define VSR9 ((VectorSRegister)( VSR9_VectorSRegisterEnumValue))
612 #define VSR10 ((VectorSRegister)( VSR10_VectorSRegisterEnumValue))
613 #define VSR11 ((VectorSRegister)( VSR11_VectorSRegisterEnumValue))
614 #define VSR12 ((VectorSRegister)( VSR12_VectorSRegisterEnumValue))
615 #define VSR13 ((VectorSRegister)( VSR13_VectorSRegisterEnumValue))
616 #define VSR14 ((VectorSRegister)( VSR14_VectorSRegisterEnumValue))
617 #define VSR15 ((VectorSRegister)( VSR15_VectorSRegisterEnumValue))
618 #define VSR16 ((VectorSRegister)( VSR16_VectorSRegisterEnumValue))
619 #define VSR17 ((VectorSRegister)( VSR17_VectorSRegisterEnumValue))
620 #define VSR18 ((VectorSRegister)( VSR18_VectorSRegisterEnumValue))
621 #define VSR19 ((VectorSRegister)( VSR19_VectorSRegisterEnumValue))
622 #define VSR20 ((VectorSRegister)( VSR20_VectorSRegisterEnumValue))
623 #define VSR21 ((VectorSRegister)( VSR21_VectorSRegisterEnumValue))
624 #define VSR22 ((VectorSRegister)( VSR22_VectorSRegisterEnumValue))
625 #define VSR23 ((VectorSRegister)( VSR23_VectorSRegisterEnumValue))
626 #define VSR24 ((VectorSRegister)( VSR24_VectorSRegisterEnumValue))
627 #define VSR25 ((VectorSRegister)( VSR25_VectorSRegisterEnumValue))
628 #define VSR26 ((VectorSRegister)( VSR26_VectorSRegisterEnumValue))
629 #define VSR27 ((VectorSRegister)( VSR27_VectorSRegisterEnumValue))
630 #define VSR28 ((VectorSRegister)( VSR28_VectorSRegisterEnumValue))
631 #define VSR29 ((VectorSRegister)( VSR29_VectorSRegisterEnumValue))
632 #define VSR30 ((VectorSRegister)( VSR30_VectorSRegisterEnumValue))
633 #define VSR31 ((VectorSRegister)( VSR31_VectorSRegisterEnumValue))
634 #define VSR32 ((VectorSRegister)( VSR32_VectorSRegisterEnumValue))
635 #define VSR33 ((VectorSRegister)( VSR33_VectorSRegisterEnumValue))
636 #define VSR34 ((VectorSRegister)( VSR34_VectorSRegisterEnumValue))
637 #define VSR35 ((VectorSRegister)( VSR35_VectorSRegisterEnumValue))
638 #define VSR36 ((VectorSRegister)( VSR36_VectorSRegisterEnumValue))
639 #define VSR37 ((VectorSRegister)( VSR37_VectorSRegisterEnumValue))
640 #define VSR38 ((VectorSRegister)( VSR38_VectorSRegisterEnumValue))
641 #define VSR39 ((VectorSRegister)( VSR39_VectorSRegisterEnumValue))
642 #define VSR40 ((VectorSRegister)( VSR40_VectorSRegisterEnumValue))
643 #define VSR41 ((VectorSRegister)( VSR41_VectorSRegisterEnumValue))
644 #define VSR42 ((VectorSRegister)( VSR42_VectorSRegisterEnumValue))
645 #define VSR43 ((VectorSRegister)( VSR43_VectorSRegisterEnumValue))
646 #define VSR44 ((VectorSRegister)( VSR44_VectorSRegisterEnumValue))
647 #define VSR45 ((VectorSRegister)( VSR45_VectorSRegisterEnumValue))
648 #define VSR46 ((VectorSRegister)( VSR46_VectorSRegisterEnumValue))
649 #define VSR47 ((VectorSRegister)( VSR47_VectorSRegisterEnumValue))
650 #define VSR48 ((VectorSRegister)( VSR48_VectorSRegisterEnumValue))
651 #define VSR49 ((VectorSRegister)( VSR49_VectorSRegisterEnumValue))
652 #define VSR50 ((VectorSRegister)( VSR50_VectorSRegisterEnumValue))
653 #define VSR51 ((VectorSRegister)( VSR51_VectorSRegisterEnumValue))
654 #define VSR52 ((VectorSRegister)( VSR52_VectorSRegisterEnumValue))
655 #define VSR53 ((VectorSRegister)( VSR53_VectorSRegisterEnumValue))
656 #define VSR54 ((VectorSRegister)( VSR54_VectorSRegisterEnumValue))
657 #define VSR55 ((VectorSRegister)( VSR55_VectorSRegisterEnumValue))
658 #define VSR56 ((VectorSRegister)( VSR56_VectorSRegisterEnumValue))
659 #define VSR57 ((VectorSRegister)( VSR57_VectorSRegisterEnumValue))
660 #define VSR58 ((VectorSRegister)( VSR58_VectorSRegisterEnumValue))
661 #define VSR59 ((VectorSRegister)( VSR59_VectorSRegisterEnumValue))
662 #define VSR60 ((VectorSRegister)( VSR60_VectorSRegisterEnumValue))
663 #define VSR61 ((VectorSRegister)( VSR61_VectorSRegisterEnumValue))
664 #define VSR62 ((VectorSRegister)( VSR62_VectorSRegisterEnumValue))
665 #define VSR63 ((VectorSRegister)( VSR63_VectorSRegisterEnumValue))
666 #endif // DONT_USE_REGISTER_DEFINES
667
668 // Maximum number of incoming arguments that can be passed in i registers.
669 const int PPC_ARGS_IN_REGS_NUM = 8;
670
671
672 // Need to know the total number of registers of all sorts for SharedInfo.
673 // Define a class that exports it.
674 class ConcreteRegisterImpl : public AbstractRegisterImpl {
675 public:
676 enum {
677 max_gpr = RegisterImpl::number_of_registers * 2,
678 max_fpr = max_gpr + FloatRegisterImpl::number_of_registers * 2,
679 max_vsr = max_fpr + VectorSRegisterImpl::number_of_registers,
680 max_cnd = max_vsr + ConditionRegisterImpl::number_of_registers,
681 max_spr = max_cnd + SpecialRegisterImpl::number_of_registers,
682 // This number must be large enough to cover REG_COUNT (defined by c2) registers.
683 // There is no requirement that any ordering here matches any ordering c2 gives
684 // it's optoregs.
685 number_of_registers = max_spr
686 };
687 };
688
689 // Common register declarations used in assembler code.
690 REGISTER_DECLARATION(Register, R0_SCRATCH, R0); // volatile
691 REGISTER_DECLARATION(Register, R1_SP, R1); // non-volatile
692 REGISTER_DECLARATION(Register, R2_TOC, R2); // volatile
693 REGISTER_DECLARATION(Register, R3_RET, R3); // volatile
694 REGISTER_DECLARATION(Register, R3_ARG1, R3); // volatile
695 REGISTER_DECLARATION(Register, R4_ARG2, R4); // volatile
696 REGISTER_DECLARATION(Register, R5_ARG3, R5); // volatile
697 REGISTER_DECLARATION(Register, R6_ARG4, R6); // volatile
698 REGISTER_DECLARATION(Register, R7_ARG5, R7); // volatile
699 REGISTER_DECLARATION(Register, R8_ARG6, R8); // volatile
700 REGISTER_DECLARATION(Register, R9_ARG7, R9); // volatile
701 REGISTER_DECLARATION(Register, R10_ARG8, R10); // volatile
702 REGISTER_DECLARATION(FloatRegister, F0_SCRATCH, F0); // volatile
703 REGISTER_DECLARATION(FloatRegister, F1_RET, F1); // volatile
704 REGISTER_DECLARATION(FloatRegister, F1_ARG1, F1); // volatile
705 REGISTER_DECLARATION(FloatRegister, F2_ARG2, F2); // volatile
706 REGISTER_DECLARATION(FloatRegister, F3_ARG3, F3); // volatile
707 REGISTER_DECLARATION(FloatRegister, F4_ARG4, F4); // volatile
708 REGISTER_DECLARATION(FloatRegister, F5_ARG5, F5); // volatile
709 REGISTER_DECLARATION(FloatRegister, F6_ARG6, F6); // volatile
710 REGISTER_DECLARATION(FloatRegister, F7_ARG7, F7); // volatile
711 REGISTER_DECLARATION(FloatRegister, F8_ARG8, F8); // volatile
712 REGISTER_DECLARATION(FloatRegister, F9_ARG9, F9); // volatile
713 REGISTER_DECLARATION(FloatRegister, F10_ARG10, F10); // volatile
714 REGISTER_DECLARATION(FloatRegister, F11_ARG11, F11); // volatile
715 REGISTER_DECLARATION(FloatRegister, F12_ARG12, F12); // volatile
716 REGISTER_DECLARATION(FloatRegister, F13_ARG13, F13); // volatile
717
718 #ifndef DONT_USE_REGISTER_DEFINES
719 #define R0_SCRATCH AS_REGISTER(Register, R0)
720 #define R1_SP AS_REGISTER(Register, R1)
721 #define R2_TOC AS_REGISTER(Register, R2)
722 #define R3_RET AS_REGISTER(Register, R3)
723 #define R3_ARG1 AS_REGISTER(Register, R3)
724 #define R4_ARG2 AS_REGISTER(Register, R4)
725 #define R5_ARG3 AS_REGISTER(Register, R5)
726 #define R6_ARG4 AS_REGISTER(Register, R6)
727 #define R7_ARG5 AS_REGISTER(Register, R7)
728 #define R8_ARG6 AS_REGISTER(Register, R8)
729 #define R9_ARG7 AS_REGISTER(Register, R9)
730 #define R10_ARG8 AS_REGISTER(Register, R10)
731 #define F0_SCRATCH AS_REGISTER(FloatRegister, F0)
732 #define F1_RET AS_REGISTER(FloatRegister, F1)
733 #define F1_ARG1 AS_REGISTER(FloatRegister, F1)
734 #define F2_ARG2 AS_REGISTER(FloatRegister, F2)
735 #define F3_ARG3 AS_REGISTER(FloatRegister, F3)
736 #define F4_ARG4 AS_REGISTER(FloatRegister, F4)
737 #define F5_ARG5 AS_REGISTER(FloatRegister, F5)
738 #define F6_ARG6 AS_REGISTER(FloatRegister, F6)
739 #define F7_ARG7 AS_REGISTER(FloatRegister, F7)
740 #define F8_ARG8 AS_REGISTER(FloatRegister, F8)
741 #define F9_ARG9 AS_REGISTER(FloatRegister, F9)
742 #define F10_ARG10 AS_REGISTER(FloatRegister, F10)
743 #define F11_ARG11 AS_REGISTER(FloatRegister, F11)
744 #define F12_ARG12 AS_REGISTER(FloatRegister, F12)
745 #define F13_ARG13 AS_REGISTER(FloatRegister, F13)
746 #endif
747
748 // Register declarations to be used in frame manager assembly code.
749 // Use only non-volatile registers in order to keep values across C-calls.
750 REGISTER_DECLARATION(Register, R14_bcp, R14);
751 REGISTER_DECLARATION(Register, R15_esp, R15);
752 REGISTER_DECLARATION(FloatRegister, F15_ftos, F15);
753 REGISTER_DECLARATION(Register, R16_thread, R16); // address of current thread
754 REGISTER_DECLARATION(Register, R17_tos, R17); // address of Java tos (prepushed).
755 REGISTER_DECLARATION(Register, R18_locals, R18); // address of first param slot (receiver).
756 REGISTER_DECLARATION(Register, R19_method, R19); // address of current method
757 #ifndef DONT_USE_REGISTER_DEFINES
758 #define R14_bcp AS_REGISTER(Register, R14)
759 #define R15_esp AS_REGISTER(Register, R15)
760 #define F15_ftos AS_REGISTER(FloatRegister, F15)
761 #define R16_thread AS_REGISTER(Register, R16)
762 #define R17_tos AS_REGISTER(Register, R17)
763 #define R18_locals AS_REGISTER(Register, R18)
764 #define R19_method AS_REGISTER(Register, R19)
765 #define R21_sender_SP AS_REGISTER(Register, R21)
766 #define R23_method_handle AS_REGISTER(Register, R23)
767 #endif
768
769 // Temporary registers to be used within frame manager. We can use
770 // the non-volatiles because the call stub has saved them.
771 // Use only non-volatile registers in order to keep values across C-calls.
772 REGISTER_DECLARATION(Register, R21_tmp1, R21);
773 REGISTER_DECLARATION(Register, R22_tmp2, R22);
774 REGISTER_DECLARATION(Register, R23_tmp3, R23);
775 REGISTER_DECLARATION(Register, R24_tmp4, R24);
776 REGISTER_DECLARATION(Register, R25_tmp5, R25);
777 REGISTER_DECLARATION(Register, R26_tmp6, R26);
778 REGISTER_DECLARATION(Register, R27_tmp7, R27);
779 REGISTER_DECLARATION(Register, R28_tmp8, R28);
780 REGISTER_DECLARATION(Register, R29_tmp9, R29);
781 REGISTER_DECLARATION(Register, R24_dispatch_addr, R24);
782 REGISTER_DECLARATION(Register, R25_templateTableBase, R25);
783 REGISTER_DECLARATION(Register, R26_monitor, R26);
784 REGISTER_DECLARATION(Register, R27_constPoolCache, R27);
785 REGISTER_DECLARATION(Register, R28_mdx, R28);
786
787 REGISTER_DECLARATION(Register, R19_inline_cache_reg, R19);
788 REGISTER_DECLARATION(Register, R29_TOC, R29);
789
790 #ifndef DONT_USE_REGISTER_DEFINES
791 #define R21_tmp1 AS_REGISTER(Register, R21)
792 #define R22_tmp2 AS_REGISTER(Register, R22)
793 #define R23_tmp3 AS_REGISTER(Register, R23)
794 #define R24_tmp4 AS_REGISTER(Register, R24)
795 #define R25_tmp5 AS_REGISTER(Register, R25)
796 #define R26_tmp6 AS_REGISTER(Register, R26)
797 #define R27_tmp7 AS_REGISTER(Register, R27)
798 #define R28_tmp8 AS_REGISTER(Register, R28)
799 #define R29_tmp9 AS_REGISTER(Register, R29)
800 // Lmonitors : monitor pointer
801 // LcpoolCache: constant pool cache
802 // mdx: method data index
803 #define R24_dispatch_addr AS_REGISTER(Register, R24)
804 #define R25_templateTableBase AS_REGISTER(Register, R25)
805 #define R26_monitor AS_REGISTER(Register, R26)
806 #define R27_constPoolCache AS_REGISTER(Register, R27)
807 #define R28_mdx AS_REGISTER(Register, R28)
808
809 #define R19_inline_cache_reg AS_REGISTER(Register, R19)
810 #define R29_TOC AS_REGISTER(Register, R29)
811 #endif
812
813 // Scratch registers are volatile.
814 REGISTER_DECLARATION(Register, R11_scratch1, R11);
815 REGISTER_DECLARATION(Register, R12_scratch2, R12);
816 #ifndef DONT_USE_REGISTER_DEFINES
817 #define R11_scratch1 AS_REGISTER(Register, R11)
818 #define R12_scratch2 AS_REGISTER(Register, R12)
819 #endif
820
821 #endif // CPU_PPC_REGISTER_PPC_HPP
822