register_ppc.hpp revision 6760:22b98ab2a69f
1/* 2 * Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved. 3 * Copyright 2012, 2014 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 31// forward declaration 32class Address; 33class VMRegImpl; 34typedef 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 75class RegisterImpl; 76typedef RegisterImpl* Register; 77 78inline Register as_Register(int encoding) { 79 assert(encoding >= 0 && encoding < 32, "bad register encoding"); 80 return (Register)(intptr_t)encoding; 81} 82 83// The implementation of integer registers for the Power architecture 84class 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 94 int encoding() const { assert(is_valid(), "invalid register"); return value(); } 95 inline VMReg as_VMReg(); 96 Register successor() const { return as_Register(encoding() + 1); } 97 98 // testers 99 bool is_valid() const { return ( 0 <= (value()&0x7F) && (value()&0x7F) < number_of_registers); } 100 bool is_volatile() const { return ( 0 <= (value()&0x7F) && (value()&0x7F) <= 13 ); } 101 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 107CONSTANT_REGISTER_DECLARATION(Register, noreg, (-1)); 108 109CONSTANT_REGISTER_DECLARATION(Register, R0, (0)); 110CONSTANT_REGISTER_DECLARATION(Register, R1, (1)); 111CONSTANT_REGISTER_DECLARATION(Register, R2, (2)); 112CONSTANT_REGISTER_DECLARATION(Register, R3, (3)); 113CONSTANT_REGISTER_DECLARATION(Register, R4, (4)); 114CONSTANT_REGISTER_DECLARATION(Register, R5, (5)); 115CONSTANT_REGISTER_DECLARATION(Register, R6, (6)); 116CONSTANT_REGISTER_DECLARATION(Register, R7, (7)); 117CONSTANT_REGISTER_DECLARATION(Register, R8, (8)); 118CONSTANT_REGISTER_DECLARATION(Register, R9, (9)); 119CONSTANT_REGISTER_DECLARATION(Register, R10, (10)); 120CONSTANT_REGISTER_DECLARATION(Register, R11, (11)); 121CONSTANT_REGISTER_DECLARATION(Register, R12, (12)); 122CONSTANT_REGISTER_DECLARATION(Register, R13, (13)); 123CONSTANT_REGISTER_DECLARATION(Register, R14, (14)); 124CONSTANT_REGISTER_DECLARATION(Register, R15, (15)); 125CONSTANT_REGISTER_DECLARATION(Register, R16, (16)); 126CONSTANT_REGISTER_DECLARATION(Register, R17, (17)); 127CONSTANT_REGISTER_DECLARATION(Register, R18, (18)); 128CONSTANT_REGISTER_DECLARATION(Register, R19, (19)); 129CONSTANT_REGISTER_DECLARATION(Register, R20, (20)); 130CONSTANT_REGISTER_DECLARATION(Register, R21, (21)); 131CONSTANT_REGISTER_DECLARATION(Register, R22, (22)); 132CONSTANT_REGISTER_DECLARATION(Register, R23, (23)); 133CONSTANT_REGISTER_DECLARATION(Register, R24, (24)); 134CONSTANT_REGISTER_DECLARATION(Register, R25, (25)); 135CONSTANT_REGISTER_DECLARATION(Register, R26, (26)); 136CONSTANT_REGISTER_DECLARATION(Register, R27, (27)); 137CONSTANT_REGISTER_DECLARATION(Register, R28, (28)); 138CONSTANT_REGISTER_DECLARATION(Register, R29, (29)); 139CONSTANT_REGISTER_DECLARATION(Register, R30, (30)); 140CONSTANT_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 191class ConditionRegisterImpl; 192typedef ConditionRegisterImpl* ConditionRegister; 193 194inline 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 200class 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 210 int encoding() const { assert(is_valid(), "invalid register"); return value(); } 211 inline VMReg as_VMReg(); 212 213 // testers 214 bool is_valid() const { return (0 <= value() && value() < number_of_registers); } 215 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. 222CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR0, (0)); 223CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR1, (1)); 224CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR2, (2)); 225CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR3, (3)); 226CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR4, (4)); 227CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR5, (5)); 228CONSTANT_REGISTER_DECLARATION(ConditionRegister, CCR6, (6)); 229CONSTANT_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 243 244 245// Use FloatRegister as shortcut 246class FloatRegisterImpl; 247typedef FloatRegisterImpl* FloatRegister; 248 249inline FloatRegister as_FloatRegister(int encoding) { 250 assert(encoding >= 0 && encoding < 32, "bad float register encoding"); 251 return (FloatRegister)(intptr_t)encoding; 252} 253 254// The implementation of float registers for the PPC architecture 255class FloatRegisterImpl: public AbstractRegisterImpl { 256 public: 257 enum { 258 number_of_registers = 32 259 }; 260 261 // construction 262 inline friend FloatRegister as_FloatRegister(int encoding); 263 264 // accessors 265 int encoding() const { assert(is_valid(), "invalid register"); return value(); } 266 inline VMReg as_VMReg(); 267 FloatRegister successor() const { return as_FloatRegister(encoding() + 1); } 268 269 // testers 270 bool is_valid() const { return (0 <= value() && value() < number_of_registers); } 271 272 const char* name() const; 273}; 274 275// The float registers of the PPC architecture 276CONSTANT_REGISTER_DECLARATION(FloatRegister, fnoreg, (-1)); 277 278CONSTANT_REGISTER_DECLARATION(FloatRegister, F0, ( 0)); 279CONSTANT_REGISTER_DECLARATION(FloatRegister, F1, ( 1)); 280CONSTANT_REGISTER_DECLARATION(FloatRegister, F2, ( 2)); 281CONSTANT_REGISTER_DECLARATION(FloatRegister, F3, ( 3)); 282CONSTANT_REGISTER_DECLARATION(FloatRegister, F4, ( 4)); 283CONSTANT_REGISTER_DECLARATION(FloatRegister, F5, ( 5)); 284CONSTANT_REGISTER_DECLARATION(FloatRegister, F6, ( 6)); 285CONSTANT_REGISTER_DECLARATION(FloatRegister, F7, ( 7)); 286CONSTANT_REGISTER_DECLARATION(FloatRegister, F8, ( 8)); 287CONSTANT_REGISTER_DECLARATION(FloatRegister, F9, ( 9)); 288CONSTANT_REGISTER_DECLARATION(FloatRegister, F10, (10)); 289CONSTANT_REGISTER_DECLARATION(FloatRegister, F11, (11)); 290CONSTANT_REGISTER_DECLARATION(FloatRegister, F12, (12)); 291CONSTANT_REGISTER_DECLARATION(FloatRegister, F13, (13)); 292CONSTANT_REGISTER_DECLARATION(FloatRegister, F14, (14)); 293CONSTANT_REGISTER_DECLARATION(FloatRegister, F15, (15)); 294CONSTANT_REGISTER_DECLARATION(FloatRegister, F16, (16)); 295CONSTANT_REGISTER_DECLARATION(FloatRegister, F17, (17)); 296CONSTANT_REGISTER_DECLARATION(FloatRegister, F18, (18)); 297CONSTANT_REGISTER_DECLARATION(FloatRegister, F19, (19)); 298CONSTANT_REGISTER_DECLARATION(FloatRegister, F20, (20)); 299CONSTANT_REGISTER_DECLARATION(FloatRegister, F21, (21)); 300CONSTANT_REGISTER_DECLARATION(FloatRegister, F22, (22)); 301CONSTANT_REGISTER_DECLARATION(FloatRegister, F23, (23)); 302CONSTANT_REGISTER_DECLARATION(FloatRegister, F24, (24)); 303CONSTANT_REGISTER_DECLARATION(FloatRegister, F25, (25)); 304CONSTANT_REGISTER_DECLARATION(FloatRegister, F26, (26)); 305CONSTANT_REGISTER_DECLARATION(FloatRegister, F27, (27)); 306CONSTANT_REGISTER_DECLARATION(FloatRegister, F28, (28)); 307CONSTANT_REGISTER_DECLARATION(FloatRegister, F29, (29)); 308CONSTANT_REGISTER_DECLARATION(FloatRegister, F30, (30)); 309CONSTANT_REGISTER_DECLARATION(FloatRegister, F31, (31)); 310 311#ifndef DONT_USE_REGISTER_DEFINES 312#define fnoreg ((FloatRegister)(fnoreg_FloatRegisterEnumValue)) 313#define F0 ((FloatRegister)( F0_FloatRegisterEnumValue)) 314#define F1 ((FloatRegister)( F1_FloatRegisterEnumValue)) 315#define F2 ((FloatRegister)( F2_FloatRegisterEnumValue)) 316#define F3 ((FloatRegister)( F3_FloatRegisterEnumValue)) 317#define F4 ((FloatRegister)( F4_FloatRegisterEnumValue)) 318#define F5 ((FloatRegister)( F5_FloatRegisterEnumValue)) 319#define F6 ((FloatRegister)( F6_FloatRegisterEnumValue)) 320#define F7 ((FloatRegister)( F7_FloatRegisterEnumValue)) 321#define F8 ((FloatRegister)( F8_FloatRegisterEnumValue)) 322#define F9 ((FloatRegister)( F9_FloatRegisterEnumValue)) 323#define F10 ((FloatRegister)( F10_FloatRegisterEnumValue)) 324#define F11 ((FloatRegister)( F11_FloatRegisterEnumValue)) 325#define F12 ((FloatRegister)( F12_FloatRegisterEnumValue)) 326#define F13 ((FloatRegister)( F13_FloatRegisterEnumValue)) 327#define F14 ((FloatRegister)( F14_FloatRegisterEnumValue)) 328#define F15 ((FloatRegister)( F15_FloatRegisterEnumValue)) 329#define F16 ((FloatRegister)( F16_FloatRegisterEnumValue)) 330#define F17 ((FloatRegister)( F17_FloatRegisterEnumValue)) 331#define F18 ((FloatRegister)( F18_FloatRegisterEnumValue)) 332#define F19 ((FloatRegister)( F19_FloatRegisterEnumValue)) 333#define F20 ((FloatRegister)( F20_FloatRegisterEnumValue)) 334#define F21 ((FloatRegister)( F21_FloatRegisterEnumValue)) 335#define F22 ((FloatRegister)( F22_FloatRegisterEnumValue)) 336#define F23 ((FloatRegister)( F23_FloatRegisterEnumValue)) 337#define F24 ((FloatRegister)( F24_FloatRegisterEnumValue)) 338#define F25 ((FloatRegister)( F25_FloatRegisterEnumValue)) 339#define F26 ((FloatRegister)( F26_FloatRegisterEnumValue)) 340#define F27 ((FloatRegister)( F27_FloatRegisterEnumValue)) 341#define F28 ((FloatRegister)( F28_FloatRegisterEnumValue)) 342#define F29 ((FloatRegister)( F29_FloatRegisterEnumValue)) 343#define F30 ((FloatRegister)( F30_FloatRegisterEnumValue)) 344#define F31 ((FloatRegister)( F31_FloatRegisterEnumValue)) 345#endif // DONT_USE_REGISTER_DEFINES 346 347// Use SpecialRegister as shortcut 348class SpecialRegisterImpl; 349typedef SpecialRegisterImpl* SpecialRegister; 350 351inline SpecialRegister as_SpecialRegister(int encoding) { 352 return (SpecialRegister)(intptr_t)encoding; 353} 354 355// The implementation of special registers for the Power architecture (LR, CTR and friends) 356class SpecialRegisterImpl: public AbstractRegisterImpl { 357 public: 358 enum { 359 number_of_registers = 6 360 }; 361 362 // construction 363 inline friend SpecialRegister as_SpecialRegister(int encoding); 364 365 // accessors 366 int encoding() const { assert(is_valid(), "invalid register"); return value(); } 367 inline VMReg as_VMReg(); 368 369 // testers 370 bool is_valid() const { return 0 <= value() && value() < number_of_registers; } 371 372 const char* name() const; 373}; 374 375// The special registers of the PPC architecture 376CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_XER, (0)); 377CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_LR, (1)); 378CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_CTR, (2)); 379CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_VRSAVE, (3)); 380CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_SPEFSCR, (4)); 381CONSTANT_REGISTER_DECLARATION(SpecialRegister, SR_PPR, (5)); 382 383#ifndef DONT_USE_REGISTER_DEFINES 384#define SR_XER ((SpecialRegister)(SR_XER_SpecialRegisterEnumValue)) 385#define SR_LR ((SpecialRegister)(SR_LR_SpecialRegisterEnumValue)) 386#define SR_CTR ((SpecialRegister)(SR_CTR_SpecialRegisterEnumValue)) 387#define SR_VRSAVE ((SpecialRegister)(SR_VRSAVE_SpecialRegisterEnumValue)) 388#define SR_SPEFSCR ((SpecialRegister)(SR_SPEFSCR_SpecialRegisterEnumValue)) 389#define SR_PPR ((SpecialRegister)(SR_PPR_SpecialRegisterEnumValue)) 390#endif // DONT_USE_REGISTER_DEFINES 391 392 393// Use VectorRegister as shortcut 394class VectorRegisterImpl; 395typedef VectorRegisterImpl* VectorRegister; 396 397inline VectorRegister as_VectorRegister(int encoding) { 398 return (VectorRegister)(intptr_t)encoding; 399} 400 401// The implementation of vector registers for the Power architecture 402class VectorRegisterImpl: public AbstractRegisterImpl { 403 public: 404 enum { 405 number_of_registers = 32 406 }; 407 408 // construction 409 inline friend VectorRegister as_VectorRegister(int encoding); 410 411 // accessors 412 int encoding() const { assert(is_valid(), "invalid register"); return value(); } 413 414 // testers 415 bool is_valid() const { return 0 <= value() && value() < number_of_registers; } 416 417 const char* name() const; 418}; 419 420// The Vector registers of the Power architecture 421 422CONSTANT_REGISTER_DECLARATION(VectorRegister, vnoreg, (-1)); 423 424CONSTANT_REGISTER_DECLARATION(VectorRegister, VR0, ( 0)); 425CONSTANT_REGISTER_DECLARATION(VectorRegister, VR1, ( 1)); 426CONSTANT_REGISTER_DECLARATION(VectorRegister, VR2, ( 2)); 427CONSTANT_REGISTER_DECLARATION(VectorRegister, VR3, ( 3)); 428CONSTANT_REGISTER_DECLARATION(VectorRegister, VR4, ( 4)); 429CONSTANT_REGISTER_DECLARATION(VectorRegister, VR5, ( 5)); 430CONSTANT_REGISTER_DECLARATION(VectorRegister, VR6, ( 6)); 431CONSTANT_REGISTER_DECLARATION(VectorRegister, VR7, ( 7)); 432CONSTANT_REGISTER_DECLARATION(VectorRegister, VR8, ( 8)); 433CONSTANT_REGISTER_DECLARATION(VectorRegister, VR9, ( 9)); 434CONSTANT_REGISTER_DECLARATION(VectorRegister, VR10, (10)); 435CONSTANT_REGISTER_DECLARATION(VectorRegister, VR11, (11)); 436CONSTANT_REGISTER_DECLARATION(VectorRegister, VR12, (12)); 437CONSTANT_REGISTER_DECLARATION(VectorRegister, VR13, (13)); 438CONSTANT_REGISTER_DECLARATION(VectorRegister, VR14, (14)); 439CONSTANT_REGISTER_DECLARATION(VectorRegister, VR15, (15)); 440CONSTANT_REGISTER_DECLARATION(VectorRegister, VR16, (16)); 441CONSTANT_REGISTER_DECLARATION(VectorRegister, VR17, (17)); 442CONSTANT_REGISTER_DECLARATION(VectorRegister, VR18, (18)); 443CONSTANT_REGISTER_DECLARATION(VectorRegister, VR19, (19)); 444CONSTANT_REGISTER_DECLARATION(VectorRegister, VR20, (20)); 445CONSTANT_REGISTER_DECLARATION(VectorRegister, VR21, (21)); 446CONSTANT_REGISTER_DECLARATION(VectorRegister, VR22, (22)); 447CONSTANT_REGISTER_DECLARATION(VectorRegister, VR23, (23)); 448CONSTANT_REGISTER_DECLARATION(VectorRegister, VR24, (24)); 449CONSTANT_REGISTER_DECLARATION(VectorRegister, VR25, (25)); 450CONSTANT_REGISTER_DECLARATION(VectorRegister, VR26, (26)); 451CONSTANT_REGISTER_DECLARATION(VectorRegister, VR27, (27)); 452CONSTANT_REGISTER_DECLARATION(VectorRegister, VR28, (28)); 453CONSTANT_REGISTER_DECLARATION(VectorRegister, VR29, (29)); 454CONSTANT_REGISTER_DECLARATION(VectorRegister, VR30, (30)); 455CONSTANT_REGISTER_DECLARATION(VectorRegister, VR31, (31)); 456 457#ifndef DONT_USE_REGISTER_DEFINES 458#define vnoreg ((VectorRegister)(vnoreg_VectorRegisterEnumValue)) 459#define VR0 ((VectorRegister)( VR0_VectorRegisterEnumValue)) 460#define VR1 ((VectorRegister)( VR1_VectorRegisterEnumValue)) 461#define VR2 ((VectorRegister)( VR2_VectorRegisterEnumValue)) 462#define VR3 ((VectorRegister)( VR3_VectorRegisterEnumValue)) 463#define VR4 ((VectorRegister)( VR4_VectorRegisterEnumValue)) 464#define VR5 ((VectorRegister)( VR5_VectorRegisterEnumValue)) 465#define VR6 ((VectorRegister)( VR6_VectorRegisterEnumValue)) 466#define VR7 ((VectorRegister)( VR7_VectorRegisterEnumValue)) 467#define VR8 ((VectorRegister)( VR8_VectorRegisterEnumValue)) 468#define VR9 ((VectorRegister)( VR9_VectorRegisterEnumValue)) 469#define VR10 ((VectorRegister)( VR10_VectorRegisterEnumValue)) 470#define VR11 ((VectorRegister)( VR11_VectorRegisterEnumValue)) 471#define VR12 ((VectorRegister)( VR12_VectorRegisterEnumValue)) 472#define VR13 ((VectorRegister)( VR13_VectorRegisterEnumValue)) 473#define VR14 ((VectorRegister)( VR14_VectorRegisterEnumValue)) 474#define VR15 ((VectorRegister)( VR15_VectorRegisterEnumValue)) 475#define VR16 ((VectorRegister)( VR16_VectorRegisterEnumValue)) 476#define VR17 ((VectorRegister)( VR17_VectorRegisterEnumValue)) 477#define VR18 ((VectorRegister)( VR18_VectorRegisterEnumValue)) 478#define VR19 ((VectorRegister)( VR19_VectorRegisterEnumValue)) 479#define VR20 ((VectorRegister)( VR20_VectorRegisterEnumValue)) 480#define VR21 ((VectorRegister)( VR21_VectorRegisterEnumValue)) 481#define VR22 ((VectorRegister)( VR22_VectorRegisterEnumValue)) 482#define VR23 ((VectorRegister)( VR23_VectorRegisterEnumValue)) 483#define VR24 ((VectorRegister)( VR24_VectorRegisterEnumValue)) 484#define VR25 ((VectorRegister)( VR25_VectorRegisterEnumValue)) 485#define VR26 ((VectorRegister)( VR26_VectorRegisterEnumValue)) 486#define VR27 ((VectorRegister)( VR27_VectorRegisterEnumValue)) 487#define VR28 ((VectorRegister)( VR28_VectorRegisterEnumValue)) 488#define VR29 ((VectorRegister)( VR29_VectorRegisterEnumValue)) 489#define VR30 ((VectorRegister)( VR30_VectorRegisterEnumValue)) 490#define VR31 ((VectorRegister)( VR31_VectorRegisterEnumValue)) 491#endif // DONT_USE_REGISTER_DEFINES 492 493 494// Maximum number of incoming arguments that can be passed in i registers. 495const int PPC_ARGS_IN_REGS_NUM = 8; 496 497 498// Need to know the total number of registers of all sorts for SharedInfo. 499// Define a class that exports it. 500class ConcreteRegisterImpl : public AbstractRegisterImpl { 501 public: 502 enum { 503 // This number must be large enough to cover REG_COUNT (defined by c2) registers. 504 // There is no requirement that any ordering here matches any ordering c2 gives 505 // it's optoregs. 506 number_of_registers = 507 ( RegisterImpl::number_of_registers + 508 FloatRegisterImpl::number_of_registers ) 509 * 2 // register halves 510 + ConditionRegisterImpl::number_of_registers // condition code registers 511 + SpecialRegisterImpl::number_of_registers // special registers 512 + VectorRegisterImpl::number_of_registers // vector registers 513 }; 514 515 static const int max_gpr; 516 static const int max_fpr; 517 static const int max_cnd; 518}; 519 520// Common register declarations used in assembler code. 521REGISTER_DECLARATION(Register, R0_SCRATCH, R0); // volatile 522REGISTER_DECLARATION(Register, R1_SP, R1); // non-volatile 523REGISTER_DECLARATION(Register, R2_TOC, R2); // volatile 524REGISTER_DECLARATION(Register, R3_RET, R3); // volatile 525REGISTER_DECLARATION(Register, R3_ARG1, R3); // volatile 526REGISTER_DECLARATION(Register, R4_ARG2, R4); // volatile 527REGISTER_DECLARATION(Register, R5_ARG3, R5); // volatile 528REGISTER_DECLARATION(Register, R6_ARG4, R6); // volatile 529REGISTER_DECLARATION(Register, R7_ARG5, R7); // volatile 530REGISTER_DECLARATION(Register, R8_ARG6, R8); // volatile 531REGISTER_DECLARATION(Register, R9_ARG7, R9); // volatile 532REGISTER_DECLARATION(Register, R10_ARG8, R10); // volatile 533REGISTER_DECLARATION(FloatRegister, F0_SCRATCH, F0); // volatile 534REGISTER_DECLARATION(FloatRegister, F1_RET, F1); // volatile 535REGISTER_DECLARATION(FloatRegister, F1_ARG1, F1); // volatile 536REGISTER_DECLARATION(FloatRegister, F2_ARG2, F2); // volatile 537REGISTER_DECLARATION(FloatRegister, F3_ARG3, F3); // volatile 538REGISTER_DECLARATION(FloatRegister, F4_ARG4, F4); // volatile 539REGISTER_DECLARATION(FloatRegister, F5_ARG5, F5); // volatile 540REGISTER_DECLARATION(FloatRegister, F6_ARG6, F6); // volatile 541REGISTER_DECLARATION(FloatRegister, F7_ARG7, F7); // volatile 542REGISTER_DECLARATION(FloatRegister, F8_ARG8, F8); // volatile 543REGISTER_DECLARATION(FloatRegister, F9_ARG9, F9); // volatile 544REGISTER_DECLARATION(FloatRegister, F10_ARG10, F10); // volatile 545REGISTER_DECLARATION(FloatRegister, F11_ARG11, F11); // volatile 546REGISTER_DECLARATION(FloatRegister, F12_ARG12, F12); // volatile 547REGISTER_DECLARATION(FloatRegister, F13_ARG13, F13); // volatile 548 549#ifndef DONT_USE_REGISTER_DEFINES 550#define R0_SCRATCH AS_REGISTER(Register, R0) 551#define R1_SP AS_REGISTER(Register, R1) 552#define R2_TOC AS_REGISTER(Register, R2) 553#define R3_RET AS_REGISTER(Register, R3) 554#define R3_ARG1 AS_REGISTER(Register, R3) 555#define R4_ARG2 AS_REGISTER(Register, R4) 556#define R5_ARG3 AS_REGISTER(Register, R5) 557#define R6_ARG4 AS_REGISTER(Register, R6) 558#define R7_ARG5 AS_REGISTER(Register, R7) 559#define R8_ARG6 AS_REGISTER(Register, R8) 560#define R9_ARG7 AS_REGISTER(Register, R9) 561#define R10_ARG8 AS_REGISTER(Register, R10) 562#define F0_SCRATCH AS_REGISTER(FloatRegister, F0) 563#define F1_RET AS_REGISTER(FloatRegister, F1) 564#define F1_ARG1 AS_REGISTER(FloatRegister, F1) 565#define F2_ARG2 AS_REGISTER(FloatRegister, F2) 566#define F3_ARG3 AS_REGISTER(FloatRegister, F3) 567#define F4_ARG4 AS_REGISTER(FloatRegister, F4) 568#define F5_ARG5 AS_REGISTER(FloatRegister, F5) 569#define F6_ARG6 AS_REGISTER(FloatRegister, F6) 570#define F7_ARG7 AS_REGISTER(FloatRegister, F7) 571#define F8_ARG8 AS_REGISTER(FloatRegister, F8) 572#define F9_ARG9 AS_REGISTER(FloatRegister, F9) 573#define F10_ARG10 AS_REGISTER(FloatRegister, F10) 574#define F11_ARG11 AS_REGISTER(FloatRegister, F11) 575#define F12_ARG12 AS_REGISTER(FloatRegister, F12) 576#define F13_ARG13 AS_REGISTER(FloatRegister, F13) 577#endif 578 579// Register declarations to be used in frame manager assembly code. 580// Use only non-volatile registers in order to keep values across C-calls. 581#ifdef CC_INTERP 582REGISTER_DECLARATION(Register, R14_state, R14); // address of new cInterpreter. 583REGISTER_DECLARATION(Register, R15_prev_state, R15); // address of old cInterpreter 584#else // CC_INTERP 585REGISTER_DECLARATION(Register, R14_bcp, R14); 586REGISTER_DECLARATION(Register, R15_esp, R15); 587REGISTER_DECLARATION(FloatRegister, F15_ftos, F15); 588#endif // CC_INTERP 589REGISTER_DECLARATION(Register, R16_thread, R16); // address of current thread 590REGISTER_DECLARATION(Register, R17_tos, R17); // address of Java tos (prepushed). 591REGISTER_DECLARATION(Register, R18_locals, R18); // address of first param slot (receiver). 592REGISTER_DECLARATION(Register, R19_method, R19); // address of current method 593#ifndef DONT_USE_REGISTER_DEFINES 594#ifdef CC_INTERP 595#define R14_state AS_REGISTER(Register, R14) 596#define R15_prev_state AS_REGISTER(Register, R15) 597#else // CC_INTERP 598#define R14_bcp AS_REGISTER(Register, R14) 599#define R15_esp AS_REGISTER(Register, R15) 600#define F15_ftos AS_REGISTER(FloatRegister, F15) 601#endif // CC_INTERP 602#define R16_thread AS_REGISTER(Register, R16) 603#define R17_tos AS_REGISTER(Register, R17) 604#define R18_locals AS_REGISTER(Register, R18) 605#define R19_method AS_REGISTER(Register, R19) 606#define R21_sender_SP AS_REGISTER(Register, R21) 607#define R23_method_handle AS_REGISTER(Register, R23) 608#endif 609 610// Temporary registers to be used within frame manager. We can use 611// the non-volatiles because the call stub has saved them. 612// Use only non-volatile registers in order to keep values across C-calls. 613REGISTER_DECLARATION(Register, R21_tmp1, R21); 614REGISTER_DECLARATION(Register, R22_tmp2, R22); 615REGISTER_DECLARATION(Register, R23_tmp3, R23); 616REGISTER_DECLARATION(Register, R24_tmp4, R24); 617REGISTER_DECLARATION(Register, R25_tmp5, R25); 618REGISTER_DECLARATION(Register, R26_tmp6, R26); 619REGISTER_DECLARATION(Register, R27_tmp7, R27); 620REGISTER_DECLARATION(Register, R28_tmp8, R28); 621REGISTER_DECLARATION(Register, R29_tmp9, R29); 622#ifndef CC_INTERP 623REGISTER_DECLARATION(Register, R24_dispatch_addr, R24); 624REGISTER_DECLARATION(Register, R25_templateTableBase, R25); 625REGISTER_DECLARATION(Register, R26_monitor, R26); 626REGISTER_DECLARATION(Register, R27_constPoolCache, R27); 627REGISTER_DECLARATION(Register, R28_mdx, R28); 628#endif // CC_INTERP 629 630#ifndef DONT_USE_REGISTER_DEFINES 631#define R21_tmp1 AS_REGISTER(Register, R21) 632#define R22_tmp2 AS_REGISTER(Register, R22) 633#define R23_tmp3 AS_REGISTER(Register, R23) 634#define R24_tmp4 AS_REGISTER(Register, R24) 635#define R25_tmp5 AS_REGISTER(Register, R25) 636#define R26_tmp6 AS_REGISTER(Register, R26) 637#define R27_tmp7 AS_REGISTER(Register, R27) 638#define R28_tmp8 AS_REGISTER(Register, R28) 639#define R29_tmp9 AS_REGISTER(Register, R29) 640#ifndef CC_INTERP 641// Lmonitors : monitor pointer 642// LcpoolCache: constant pool cache 643// mdx: method data index 644#define R24_dispatch_addr AS_REGISTER(Register, R24) 645#define R25_templateTableBase AS_REGISTER(Register, R25) 646#define R26_monitor AS_REGISTER(Register, R26) 647#define R27_constPoolCache AS_REGISTER(Register, R27) 648#define R28_mdx AS_REGISTER(Register, R28) 649#endif 650 651#define CCR4_is_synced AS_REGISTER(ConditionRegister, CCR4) 652#endif 653 654// Scratch registers are volatile. 655REGISTER_DECLARATION(Register, R11_scratch1, R11); 656REGISTER_DECLARATION(Register, R12_scratch2, R12); 657#ifndef DONT_USE_REGISTER_DEFINES 658#define R11_scratch1 AS_REGISTER(Register, R11) 659#define R12_scratch2 AS_REGISTER(Register, R12) 660#endif 661 662#endif // CPU_PPC_VM_REGISTER_PPC_HPP 663