1 /* 2 * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2012, 2015 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_VM_ASSEMBLER_PPC_HPP 27 #define CPU_PPC_VM_ASSEMBLER_PPC_HPP 28 29 #include "asm/register.hpp" 30 31 // Address is an abstraction used to represent a memory location 32 // as used in assembler instructions. 33 // PPC instructions grok either baseReg + indexReg or baseReg + disp. 34 class Address VALUE_OBJ_CLASS_SPEC { 35 private: 36 Register _base; // Base register. 37 Register _index; // Index register. 38 intptr_t _disp; // Displacement. 39 40 public: 41 Address(Register b, Register i, address d = 0) 42 : _base(b), _index(i), _disp((intptr_t)d) { 43 assert(i == noreg || d == 0, "can't have both"); 44 } 45 46 Address(Register b, address d = 0) 47 : _base(b), _index(noreg), _disp((intptr_t)d) {} 48 49 Address(Register b, intptr_t d) 50 : _base(b), _index(noreg), _disp(d) {} 51 52 Address(Register b, RegisterOrConstant roc) 53 : _base(b), _index(noreg), _disp(0) { 54 if (roc.is_constant()) _disp = roc.as_constant(); else _index = roc.as_register(); 55 } 56 57 Address() 58 : _base(noreg), _index(noreg), _disp(0) {} 59 60 // accessors 61 Register base() const { return _base; } 62 Register index() const { return _index; } 63 int disp() const { return (int)_disp; } 64 bool is_const() const { return _base == noreg && _index == noreg; } 65 }; 66 67 class AddressLiteral VALUE_OBJ_CLASS_SPEC { 68 private: 69 address _address; 70 RelocationHolder _rspec; 71 72 RelocationHolder rspec_from_rtype(relocInfo::relocType rtype, address addr) { 73 switch (rtype) { 74 case relocInfo::external_word_type: 75 return external_word_Relocation::spec(addr); 76 case relocInfo::internal_word_type: 77 return internal_word_Relocation::spec(addr); 78 case relocInfo::opt_virtual_call_type: 79 return opt_virtual_call_Relocation::spec(); 80 case relocInfo::static_call_type: 81 return static_call_Relocation::spec(); 82 case relocInfo::runtime_call_type: 83 return runtime_call_Relocation::spec(); 84 case relocInfo::none: 85 return RelocationHolder(); 86 default: 87 ShouldNotReachHere(); 88 return RelocationHolder(); 89 } 90 } 91 92 protected: 93 // creation 94 AddressLiteral() : _address(NULL), _rspec(NULL) {} 95 96 public: 97 AddressLiteral(address addr, RelocationHolder const& rspec) 98 : _address(addr), 99 _rspec(rspec) {} 100 101 AddressLiteral(address addr, relocInfo::relocType rtype = relocInfo::none) 102 : _address((address) addr), 103 _rspec(rspec_from_rtype(rtype, (address) addr)) {} 104 105 AddressLiteral(oop* addr, relocInfo::relocType rtype = relocInfo::none) 106 : _address((address) addr), 107 _rspec(rspec_from_rtype(rtype, (address) addr)) {} 108 109 intptr_t value() const { return (intptr_t) _address; } 110 111 const RelocationHolder& rspec() const { return _rspec; } 112 }; 113 114 // Argument is an abstraction used to represent an outgoing 115 // actual argument or an incoming formal parameter, whether 116 // it resides in memory or in a register, in a manner consistent 117 // with the PPC Application Binary Interface, or ABI. This is 118 // often referred to as the native or C calling convention. 119 120 class Argument VALUE_OBJ_CLASS_SPEC { 121 private: 122 int _number; // The number of the argument. 123 public: 124 enum { 125 // Only 8 registers may contain integer parameters. 126 n_register_parameters = 8, 127 // Can have up to 8 floating registers. 128 n_float_register_parameters = 8, 129 130 // PPC C calling conventions. 131 // The first eight arguments are passed in int regs if they are int. 132 n_int_register_parameters_c = 8, 133 // The first thirteen float arguments are passed in float regs. 134 n_float_register_parameters_c = 13, 135 // Only the first 8 parameters are not placed on the stack. Aix disassembly 136 // shows that xlC places all float args after argument 8 on the stack AND 137 // in a register. This is not documented, but we follow this convention, too. 138 n_regs_not_on_stack_c = 8, 139 }; 140 // creation 141 Argument(int number) : _number(number) {} 142 143 int number() const { return _number; } 144 145 // Locating register-based arguments: 146 bool is_register() const { return _number < n_register_parameters; } 147 148 Register as_register() const { 149 assert(is_register(), "must be a register argument"); 150 return as_Register(number() + R3_ARG1->encoding()); 151 } 152 }; 153 154 #if !defined(ABI_ELFv2) 155 // A ppc64 function descriptor. 156 struct FunctionDescriptor VALUE_OBJ_CLASS_SPEC { 157 private: 158 address _entry; 159 address _toc; 160 address _env; 161 162 public: 163 inline address entry() const { return _entry; } 164 inline address toc() const { return _toc; } 165 inline address env() const { return _env; } 166 167 inline void set_entry(address entry) { _entry = entry; } 168 inline void set_toc( address toc) { _toc = toc; } 169 inline void set_env( address env) { _env = env; } 170 171 inline static ByteSize entry_offset() { return byte_offset_of(FunctionDescriptor, _entry); } 172 inline static ByteSize toc_offset() { return byte_offset_of(FunctionDescriptor, _toc); } 173 inline static ByteSize env_offset() { return byte_offset_of(FunctionDescriptor, _env); } 174 175 // Friend functions can be called without loading toc and env. 176 enum { 177 friend_toc = 0xcafe, 178 friend_env = 0xc0de 179 }; 180 181 inline bool is_friend_function() const { 182 return (toc() == (address) friend_toc) && (env() == (address) friend_env); 183 } 184 185 // Constructor for stack-allocated instances. 186 FunctionDescriptor() { 187 _entry = (address) 0xbad; 188 _toc = (address) 0xbad; 189 _env = (address) 0xbad; 190 } 191 }; 192 #endif 193 194 195 // The PPC Assembler: Pure assembler doing NO optimizations on the 196 // instruction level; i.e., what you write is what you get. The 197 // Assembler is generating code into a CodeBuffer. 198 199 class Assembler : public AbstractAssembler { 200 protected: 201 // Displacement routines 202 static int patched_branch(int dest_pos, int inst, int inst_pos); 203 static int branch_destination(int inst, int pos); 204 205 friend class AbstractAssembler; 206 207 // Code patchers need various routines like inv_wdisp() 208 friend class NativeInstruction; 209 friend class NativeGeneralJump; 210 friend class Relocation; 211 212 public: 213 214 enum shifts { 215 XO_21_29_SHIFT = 2, 216 XO_21_30_SHIFT = 1, 217 XO_27_29_SHIFT = 2, 218 XO_30_31_SHIFT = 0, 219 SPR_5_9_SHIFT = 11u, // SPR_5_9 field in bits 11 -- 15 220 SPR_0_4_SHIFT = 16u, // SPR_0_4 field in bits 16 -- 20 221 RS_SHIFT = 21u, // RS field in bits 21 -- 25 222 OPCODE_SHIFT = 26u, // opcode in bits 26 -- 31 223 }; 224 225 enum opcdxos_masks { 226 XL_FORM_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1), 227 ADDI_OPCODE_MASK = (63u << OPCODE_SHIFT), 228 ADDIS_OPCODE_MASK = (63u << OPCODE_SHIFT), 229 BXX_OPCODE_MASK = (63u << OPCODE_SHIFT), 230 BCXX_OPCODE_MASK = (63u << OPCODE_SHIFT), 231 // trap instructions 232 TDI_OPCODE_MASK = (63u << OPCODE_SHIFT), 233 TWI_OPCODE_MASK = (63u << OPCODE_SHIFT), 234 TD_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1), 235 TW_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1), 236 LD_OPCODE_MASK = (63u << OPCODE_SHIFT) | (3u << XO_30_31_SHIFT), // DS-FORM 237 STD_OPCODE_MASK = LD_OPCODE_MASK, 238 STDU_OPCODE_MASK = STD_OPCODE_MASK, 239 STDX_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1), 240 STDUX_OPCODE_MASK = STDX_OPCODE_MASK, 241 STW_OPCODE_MASK = (63u << OPCODE_SHIFT), 242 STWU_OPCODE_MASK = STW_OPCODE_MASK, 243 STWX_OPCODE_MASK = (63u << OPCODE_SHIFT) | (1023u << 1), 244 STWUX_OPCODE_MASK = STWX_OPCODE_MASK, 245 MTCTR_OPCODE_MASK = ~(31u << RS_SHIFT), 246 ORI_OPCODE_MASK = (63u << OPCODE_SHIFT), 247 ORIS_OPCODE_MASK = (63u << OPCODE_SHIFT), 248 RLDICR_OPCODE_MASK = (63u << OPCODE_SHIFT) | (7u << XO_27_29_SHIFT) 249 }; 250 251 enum opcdxos { 252 ADD_OPCODE = (31u << OPCODE_SHIFT | 266u << 1), 253 ADDC_OPCODE = (31u << OPCODE_SHIFT | 10u << 1), 254 ADDI_OPCODE = (14u << OPCODE_SHIFT), 255 ADDIS_OPCODE = (15u << OPCODE_SHIFT), 256 ADDIC__OPCODE = (13u << OPCODE_SHIFT), 257 ADDE_OPCODE = (31u << OPCODE_SHIFT | 138u << 1), 258 ADDME_OPCODE = (31u << OPCODE_SHIFT | 234u << 1), 259 ADDZE_OPCODE = (31u << OPCODE_SHIFT | 202u << 1), 260 SUBF_OPCODE = (31u << OPCODE_SHIFT | 40u << 1), 261 SUBFC_OPCODE = (31u << OPCODE_SHIFT | 8u << 1), 262 SUBFE_OPCODE = (31u << OPCODE_SHIFT | 136u << 1), 263 SUBFIC_OPCODE = (8u << OPCODE_SHIFT), 264 SUBFME_OPCODE = (31u << OPCODE_SHIFT | 232u << 1), 265 SUBFZE_OPCODE = (31u << OPCODE_SHIFT | 200u << 1), 266 DIVW_OPCODE = (31u << OPCODE_SHIFT | 491u << 1), 267 MULLW_OPCODE = (31u << OPCODE_SHIFT | 235u << 1), 268 MULHW_OPCODE = (31u << OPCODE_SHIFT | 75u << 1), 269 MULHWU_OPCODE = (31u << OPCODE_SHIFT | 11u << 1), 270 MULLI_OPCODE = (7u << OPCODE_SHIFT), 271 AND_OPCODE = (31u << OPCODE_SHIFT | 28u << 1), 272 ANDI_OPCODE = (28u << OPCODE_SHIFT), 273 ANDIS_OPCODE = (29u << OPCODE_SHIFT), 274 ANDC_OPCODE = (31u << OPCODE_SHIFT | 60u << 1), 275 ORC_OPCODE = (31u << OPCODE_SHIFT | 412u << 1), 276 OR_OPCODE = (31u << OPCODE_SHIFT | 444u << 1), 277 ORI_OPCODE = (24u << OPCODE_SHIFT), 278 ORIS_OPCODE = (25u << OPCODE_SHIFT), 279 XOR_OPCODE = (31u << OPCODE_SHIFT | 316u << 1), 280 XORI_OPCODE = (26u << OPCODE_SHIFT), 281 XORIS_OPCODE = (27u << OPCODE_SHIFT), 282 283 NEG_OPCODE = (31u << OPCODE_SHIFT | 104u << 1), 284 285 RLWINM_OPCODE = (21u << OPCODE_SHIFT), 286 CLRRWI_OPCODE = RLWINM_OPCODE, 287 CLRLWI_OPCODE = RLWINM_OPCODE, 288 289 RLWIMI_OPCODE = (20u << OPCODE_SHIFT), 290 291 SLW_OPCODE = (31u << OPCODE_SHIFT | 24u << 1), 292 SLWI_OPCODE = RLWINM_OPCODE, 293 SRW_OPCODE = (31u << OPCODE_SHIFT | 536u << 1), 294 SRWI_OPCODE = RLWINM_OPCODE, 295 SRAW_OPCODE = (31u << OPCODE_SHIFT | 792u << 1), 296 SRAWI_OPCODE = (31u << OPCODE_SHIFT | 824u << 1), 297 298 CMP_OPCODE = (31u << OPCODE_SHIFT | 0u << 1), 299 CMPI_OPCODE = (11u << OPCODE_SHIFT), 300 CMPL_OPCODE = (31u << OPCODE_SHIFT | 32u << 1), 301 CMPLI_OPCODE = (10u << OPCODE_SHIFT), 302 303 ISEL_OPCODE = (31u << OPCODE_SHIFT | 15u << 1), 304 305 // Special purpose registers 306 MTSPR_OPCODE = (31u << OPCODE_SHIFT | 467u << 1), 307 MFSPR_OPCODE = (31u << OPCODE_SHIFT | 339u << 1), 308 309 MTXER_OPCODE = (MTSPR_OPCODE | 1 << SPR_0_4_SHIFT), 310 MFXER_OPCODE = (MFSPR_OPCODE | 1 << SPR_0_4_SHIFT), 311 312 MTDSCR_OPCODE = (MTSPR_OPCODE | 3 << SPR_0_4_SHIFT), 313 MFDSCR_OPCODE = (MFSPR_OPCODE | 3 << SPR_0_4_SHIFT), 314 315 MTLR_OPCODE = (MTSPR_OPCODE | 8 << SPR_0_4_SHIFT), 316 MFLR_OPCODE = (MFSPR_OPCODE | 8 << SPR_0_4_SHIFT), 317 318 MTCTR_OPCODE = (MTSPR_OPCODE | 9 << SPR_0_4_SHIFT), 319 MFCTR_OPCODE = (MFSPR_OPCODE | 9 << SPR_0_4_SHIFT), 320 321 // Attention: Higher and lower half are inserted in reversed order. 322 MTTFHAR_OPCODE = (MTSPR_OPCODE | 4 << SPR_5_9_SHIFT | 0 << SPR_0_4_SHIFT), 323 MFTFHAR_OPCODE = (MFSPR_OPCODE | 4 << SPR_5_9_SHIFT | 0 << SPR_0_4_SHIFT), 324 MTTFIAR_OPCODE = (MTSPR_OPCODE | 4 << SPR_5_9_SHIFT | 1 << SPR_0_4_SHIFT), 325 MFTFIAR_OPCODE = (MFSPR_OPCODE | 4 << SPR_5_9_SHIFT | 1 << SPR_0_4_SHIFT), 326 MTTEXASR_OPCODE = (MTSPR_OPCODE | 4 << SPR_5_9_SHIFT | 2 << SPR_0_4_SHIFT), 327 MFTEXASR_OPCODE = (MFSPR_OPCODE | 4 << SPR_5_9_SHIFT | 2 << SPR_0_4_SHIFT), 328 MTTEXASRU_OPCODE = (MTSPR_OPCODE | 4 << SPR_5_9_SHIFT | 3 << SPR_0_4_SHIFT), 329 MFTEXASRU_OPCODE = (MFSPR_OPCODE | 4 << SPR_5_9_SHIFT | 3 << SPR_0_4_SHIFT), 330 331 MTVRSAVE_OPCODE = (MTSPR_OPCODE | 8 << SPR_5_9_SHIFT | 0 << SPR_0_4_SHIFT), 332 MFVRSAVE_OPCODE = (MFSPR_OPCODE | 8 << SPR_5_9_SHIFT | 0 << SPR_0_4_SHIFT), 333 334 MFTB_OPCODE = (MFSPR_OPCODE | 8 << SPR_5_9_SHIFT | 12 << SPR_0_4_SHIFT), 335 336 MTCRF_OPCODE = (31u << OPCODE_SHIFT | 144u << 1), 337 MFCR_OPCODE = (31u << OPCODE_SHIFT | 19u << 1), 338 MCRF_OPCODE = (19u << OPCODE_SHIFT | 0u << 1), 339 340 // condition register logic instructions 341 CRAND_OPCODE = (19u << OPCODE_SHIFT | 257u << 1), 342 CRNAND_OPCODE = (19u << OPCODE_SHIFT | 225u << 1), 343 CROR_OPCODE = (19u << OPCODE_SHIFT | 449u << 1), 344 CRXOR_OPCODE = (19u << OPCODE_SHIFT | 193u << 1), 345 CRNOR_OPCODE = (19u << OPCODE_SHIFT | 33u << 1), 346 CREQV_OPCODE = (19u << OPCODE_SHIFT | 289u << 1), 347 CRANDC_OPCODE = (19u << OPCODE_SHIFT | 129u << 1), 348 CRORC_OPCODE = (19u << OPCODE_SHIFT | 417u << 1), 349 350 BCLR_OPCODE = (19u << OPCODE_SHIFT | 16u << 1), 351 BXX_OPCODE = (18u << OPCODE_SHIFT), 352 BCXX_OPCODE = (16u << OPCODE_SHIFT), 353 354 // CTR-related opcodes 355 BCCTR_OPCODE = (19u << OPCODE_SHIFT | 528u << 1), 356 357 LWZ_OPCODE = (32u << OPCODE_SHIFT), 358 LWZX_OPCODE = (31u << OPCODE_SHIFT | 23u << 1), 359 LWZU_OPCODE = (33u << OPCODE_SHIFT), 360 LWBRX_OPCODE = (31u << OPCODE_SHIFT | 534 << 1), 361 362 LHA_OPCODE = (42u << OPCODE_SHIFT), 363 LHAX_OPCODE = (31u << OPCODE_SHIFT | 343u << 1), 364 LHAU_OPCODE = (43u << OPCODE_SHIFT), 365 366 LHZ_OPCODE = (40u << OPCODE_SHIFT), 367 LHZX_OPCODE = (31u << OPCODE_SHIFT | 279u << 1), 368 LHZU_OPCODE = (41u << OPCODE_SHIFT), 369 LHBRX_OPCODE = (31u << OPCODE_SHIFT | 790 << 1), 370 371 LBZ_OPCODE = (34u << OPCODE_SHIFT), 372 LBZX_OPCODE = (31u << OPCODE_SHIFT | 87u << 1), 373 LBZU_OPCODE = (35u << OPCODE_SHIFT), 374 375 STW_OPCODE = (36u << OPCODE_SHIFT), 376 STWX_OPCODE = (31u << OPCODE_SHIFT | 151u << 1), 377 STWU_OPCODE = (37u << OPCODE_SHIFT), 378 STWUX_OPCODE = (31u << OPCODE_SHIFT | 183u << 1), 379 380 STH_OPCODE = (44u << OPCODE_SHIFT), 381 STHX_OPCODE = (31u << OPCODE_SHIFT | 407u << 1), 382 STHU_OPCODE = (45u << OPCODE_SHIFT), 383 384 STB_OPCODE = (38u << OPCODE_SHIFT), 385 STBX_OPCODE = (31u << OPCODE_SHIFT | 215u << 1), 386 STBU_OPCODE = (39u << OPCODE_SHIFT), 387 388 EXTSB_OPCODE = (31u << OPCODE_SHIFT | 954u << 1), 389 EXTSH_OPCODE = (31u << OPCODE_SHIFT | 922u << 1), 390 EXTSW_OPCODE = (31u << OPCODE_SHIFT | 986u << 1), // X-FORM 391 392 // 32 bit opcode encodings 393 394 LWA_OPCODE = (58u << OPCODE_SHIFT | 2u << XO_30_31_SHIFT), // DS-FORM 395 LWAX_OPCODE = (31u << OPCODE_SHIFT | 341u << XO_21_30_SHIFT), // X-FORM 396 397 CNTLZW_OPCODE = (31u << OPCODE_SHIFT | 26u << XO_21_30_SHIFT), // X-FORM 398 399 // 64 bit opcode encodings 400 401 LD_OPCODE = (58u << OPCODE_SHIFT | 0u << XO_30_31_SHIFT), // DS-FORM 402 LDU_OPCODE = (58u << OPCODE_SHIFT | 1u << XO_30_31_SHIFT), // DS-FORM 403 LDX_OPCODE = (31u << OPCODE_SHIFT | 21u << XO_21_30_SHIFT), // X-FORM 404 405 STD_OPCODE = (62u << OPCODE_SHIFT | 0u << XO_30_31_SHIFT), // DS-FORM 406 STDU_OPCODE = (62u << OPCODE_SHIFT | 1u << XO_30_31_SHIFT), // DS-FORM 407 STDUX_OPCODE = (31u << OPCODE_SHIFT | 181u << 1), // X-FORM 408 STDX_OPCODE = (31u << OPCODE_SHIFT | 149u << XO_21_30_SHIFT), // X-FORM 409 410 RLDICR_OPCODE = (30u << OPCODE_SHIFT | 1u << XO_27_29_SHIFT), // MD-FORM 411 RLDICL_OPCODE = (30u << OPCODE_SHIFT | 0u << XO_27_29_SHIFT), // MD-FORM 412 RLDIC_OPCODE = (30u << OPCODE_SHIFT | 2u << XO_27_29_SHIFT), // MD-FORM 413 RLDIMI_OPCODE = (30u << OPCODE_SHIFT | 3u << XO_27_29_SHIFT), // MD-FORM 414 415 SRADI_OPCODE = (31u << OPCODE_SHIFT | 413u << XO_21_29_SHIFT), // XS-FORM 416 417 SLD_OPCODE = (31u << OPCODE_SHIFT | 27u << 1), // X-FORM 418 SRD_OPCODE = (31u << OPCODE_SHIFT | 539u << 1), // X-FORM 419 SRAD_OPCODE = (31u << OPCODE_SHIFT | 794u << 1), // X-FORM 420 421 MULLD_OPCODE = (31u << OPCODE_SHIFT | 233u << 1), // XO-FORM 422 MULHD_OPCODE = (31u << OPCODE_SHIFT | 73u << 1), // XO-FORM 423 MULHDU_OPCODE = (31u << OPCODE_SHIFT | 9u << 1), // XO-FORM 424 DIVD_OPCODE = (31u << OPCODE_SHIFT | 489u << 1), // XO-FORM 425 426 CNTLZD_OPCODE = (31u << OPCODE_SHIFT | 58u << XO_21_30_SHIFT), // X-FORM 427 NAND_OPCODE = (31u << OPCODE_SHIFT | 476u << XO_21_30_SHIFT), // X-FORM 428 NOR_OPCODE = (31u << OPCODE_SHIFT | 124u << XO_21_30_SHIFT), // X-FORM 429 430 431 // opcodes only used for floating arithmetic 432 FADD_OPCODE = (63u << OPCODE_SHIFT | 21u << 1), 433 FADDS_OPCODE = (59u << OPCODE_SHIFT | 21u << 1), 434 FCMPU_OPCODE = (63u << OPCODE_SHIFT | 00u << 1), 435 FDIV_OPCODE = (63u << OPCODE_SHIFT | 18u << 1), 436 FDIVS_OPCODE = (59u << OPCODE_SHIFT | 18u << 1), 437 FMR_OPCODE = (63u << OPCODE_SHIFT | 72u << 1), 438 // These are special Power6 opcodes, reused for "lfdepx" and "stfdepx" 439 // on Power7. Do not use. 440 // MFFGPR_OPCODE = (31u << OPCODE_SHIFT | 607u << 1), 441 // MFTGPR_OPCODE = (31u << OPCODE_SHIFT | 735u << 1), 442 CMPB_OPCODE = (31u << OPCODE_SHIFT | 508 << 1), 443 POPCNTB_OPCODE = (31u << OPCODE_SHIFT | 122 << 1), 444 POPCNTW_OPCODE = (31u << OPCODE_SHIFT | 378 << 1), 445 POPCNTD_OPCODE = (31u << OPCODE_SHIFT | 506 << 1), 446 FABS_OPCODE = (63u << OPCODE_SHIFT | 264u << 1), 447 FNABS_OPCODE = (63u << OPCODE_SHIFT | 136u << 1), 448 FMUL_OPCODE = (63u << OPCODE_SHIFT | 25u << 1), 449 FMULS_OPCODE = (59u << OPCODE_SHIFT | 25u << 1), 450 FNEG_OPCODE = (63u << OPCODE_SHIFT | 40u << 1), 451 FSUB_OPCODE = (63u << OPCODE_SHIFT | 20u << 1), 452 FSUBS_OPCODE = (59u << OPCODE_SHIFT | 20u << 1), 453 454 // PPC64-internal FPU conversion opcodes 455 FCFID_OPCODE = (63u << OPCODE_SHIFT | 846u << 1), 456 FCFIDS_OPCODE = (59u << OPCODE_SHIFT | 846u << 1), 457 FCTID_OPCODE = (63u << OPCODE_SHIFT | 814u << 1), 458 FCTIDZ_OPCODE = (63u << OPCODE_SHIFT | 815u << 1), 459 FCTIW_OPCODE = (63u << OPCODE_SHIFT | 14u << 1), 460 FCTIWZ_OPCODE = (63u << OPCODE_SHIFT | 15u << 1), 461 FRSP_OPCODE = (63u << OPCODE_SHIFT | 12u << 1), 462 463 // WARNING: using fmadd results in a non-compliant vm. Some floating 464 // point tck tests will fail. 465 FMADD_OPCODE = (59u << OPCODE_SHIFT | 29u << 1), 466 DMADD_OPCODE = (63u << OPCODE_SHIFT | 29u << 1), 467 FMSUB_OPCODE = (59u << OPCODE_SHIFT | 28u << 1), 468 DMSUB_OPCODE = (63u << OPCODE_SHIFT | 28u << 1), 469 FNMADD_OPCODE = (59u << OPCODE_SHIFT | 31u << 1), 470 DNMADD_OPCODE = (63u << OPCODE_SHIFT | 31u << 1), 471 FNMSUB_OPCODE = (59u << OPCODE_SHIFT | 30u << 1), 472 DNMSUB_OPCODE = (63u << OPCODE_SHIFT | 30u << 1), 473 474 LFD_OPCODE = (50u << OPCODE_SHIFT | 00u << 1), 475 LFDU_OPCODE = (51u << OPCODE_SHIFT | 00u << 1), 476 LFDX_OPCODE = (31u << OPCODE_SHIFT | 599u << 1), 477 LFS_OPCODE = (48u << OPCODE_SHIFT | 00u << 1), 478 LFSU_OPCODE = (49u << OPCODE_SHIFT | 00u << 1), 479 LFSX_OPCODE = (31u << OPCODE_SHIFT | 535u << 1), 480 481 STFD_OPCODE = (54u << OPCODE_SHIFT | 00u << 1), 482 STFDU_OPCODE = (55u << OPCODE_SHIFT | 00u << 1), 483 STFDX_OPCODE = (31u << OPCODE_SHIFT | 727u << 1), 484 STFS_OPCODE = (52u << OPCODE_SHIFT | 00u << 1), 485 STFSU_OPCODE = (53u << OPCODE_SHIFT | 00u << 1), 486 STFSX_OPCODE = (31u << OPCODE_SHIFT | 663u << 1), 487 488 FSQRT_OPCODE = (63u << OPCODE_SHIFT | 22u << 1), // A-FORM 489 FSQRTS_OPCODE = (59u << OPCODE_SHIFT | 22u << 1), // A-FORM 490 491 // Vector instruction support for >= Power6 492 // Vector Storage Access 493 LVEBX_OPCODE = (31u << OPCODE_SHIFT | 7u << 1), 494 LVEHX_OPCODE = (31u << OPCODE_SHIFT | 39u << 1), 495 LVEWX_OPCODE = (31u << OPCODE_SHIFT | 71u << 1), 496 LVX_OPCODE = (31u << OPCODE_SHIFT | 103u << 1), 497 LVXL_OPCODE = (31u << OPCODE_SHIFT | 359u << 1), 498 STVEBX_OPCODE = (31u << OPCODE_SHIFT | 135u << 1), 499 STVEHX_OPCODE = (31u << OPCODE_SHIFT | 167u << 1), 500 STVEWX_OPCODE = (31u << OPCODE_SHIFT | 199u << 1), 501 STVX_OPCODE = (31u << OPCODE_SHIFT | 231u << 1), 502 STVXL_OPCODE = (31u << OPCODE_SHIFT | 487u << 1), 503 LVSL_OPCODE = (31u << OPCODE_SHIFT | 6u << 1), 504 LVSR_OPCODE = (31u << OPCODE_SHIFT | 38u << 1), 505 506 // Vector Permute and Formatting 507 VPKPX_OPCODE = (4u << OPCODE_SHIFT | 782u ), 508 VPKSHSS_OPCODE = (4u << OPCODE_SHIFT | 398u ), 509 VPKSWSS_OPCODE = (4u << OPCODE_SHIFT | 462u ), 510 VPKSHUS_OPCODE = (4u << OPCODE_SHIFT | 270u ), 511 VPKSWUS_OPCODE = (4u << OPCODE_SHIFT | 334u ), 512 VPKUHUM_OPCODE = (4u << OPCODE_SHIFT | 14u ), 513 VPKUWUM_OPCODE = (4u << OPCODE_SHIFT | 78u ), 514 VPKUHUS_OPCODE = (4u << OPCODE_SHIFT | 142u ), 515 VPKUWUS_OPCODE = (4u << OPCODE_SHIFT | 206u ), 516 VUPKHPX_OPCODE = (4u << OPCODE_SHIFT | 846u ), 517 VUPKHSB_OPCODE = (4u << OPCODE_SHIFT | 526u ), 518 VUPKHSH_OPCODE = (4u << OPCODE_SHIFT | 590u ), 519 VUPKLPX_OPCODE = (4u << OPCODE_SHIFT | 974u ), 520 VUPKLSB_OPCODE = (4u << OPCODE_SHIFT | 654u ), 521 VUPKLSH_OPCODE = (4u << OPCODE_SHIFT | 718u ), 522 523 VMRGHB_OPCODE = (4u << OPCODE_SHIFT | 12u ), 524 VMRGHW_OPCODE = (4u << OPCODE_SHIFT | 140u ), 525 VMRGHH_OPCODE = (4u << OPCODE_SHIFT | 76u ), 526 VMRGLB_OPCODE = (4u << OPCODE_SHIFT | 268u ), 527 VMRGLW_OPCODE = (4u << OPCODE_SHIFT | 396u ), 528 VMRGLH_OPCODE = (4u << OPCODE_SHIFT | 332u ), 529 530 VSPLT_OPCODE = (4u << OPCODE_SHIFT | 524u ), 531 VSPLTH_OPCODE = (4u << OPCODE_SHIFT | 588u ), 532 VSPLTW_OPCODE = (4u << OPCODE_SHIFT | 652u ), 533 VSPLTISB_OPCODE= (4u << OPCODE_SHIFT | 780u ), 534 VSPLTISH_OPCODE= (4u << OPCODE_SHIFT | 844u ), 535 VSPLTISW_OPCODE= (4u << OPCODE_SHIFT | 908u ), 536 537 VPERM_OPCODE = (4u << OPCODE_SHIFT | 43u ), 538 VSEL_OPCODE = (4u << OPCODE_SHIFT | 42u ), 539 540 VSL_OPCODE = (4u << OPCODE_SHIFT | 452u ), 541 VSLDOI_OPCODE = (4u << OPCODE_SHIFT | 44u ), 542 VSLO_OPCODE = (4u << OPCODE_SHIFT | 1036u ), 543 VSR_OPCODE = (4u << OPCODE_SHIFT | 708u ), 544 VSRO_OPCODE = (4u << OPCODE_SHIFT | 1100u ), 545 546 // Vector Integer 547 VADDCUW_OPCODE = (4u << OPCODE_SHIFT | 384u ), 548 VADDSHS_OPCODE = (4u << OPCODE_SHIFT | 832u ), 549 VADDSBS_OPCODE = (4u << OPCODE_SHIFT | 768u ), 550 VADDSWS_OPCODE = (4u << OPCODE_SHIFT | 896u ), 551 VADDUBM_OPCODE = (4u << OPCODE_SHIFT | 0u ), 552 VADDUWM_OPCODE = (4u << OPCODE_SHIFT | 128u ), 553 VADDUHM_OPCODE = (4u << OPCODE_SHIFT | 64u ), 554 VADDUBS_OPCODE = (4u << OPCODE_SHIFT | 512u ), 555 VADDUWS_OPCODE = (4u << OPCODE_SHIFT | 640u ), 556 VADDUHS_OPCODE = (4u << OPCODE_SHIFT | 576u ), 557 VSUBCUW_OPCODE = (4u << OPCODE_SHIFT | 1408u ), 558 VSUBSHS_OPCODE = (4u << OPCODE_SHIFT | 1856u ), 559 VSUBSBS_OPCODE = (4u << OPCODE_SHIFT | 1792u ), 560 VSUBSWS_OPCODE = (4u << OPCODE_SHIFT | 1920u ), 561 VSUBUBM_OPCODE = (4u << OPCODE_SHIFT | 1024u ), 562 VSUBUWM_OPCODE = (4u << OPCODE_SHIFT | 1152u ), 563 VSUBUHM_OPCODE = (4u << OPCODE_SHIFT | 1088u ), 564 VSUBUBS_OPCODE = (4u << OPCODE_SHIFT | 1536u ), 565 VSUBUWS_OPCODE = (4u << OPCODE_SHIFT | 1664u ), 566 VSUBUHS_OPCODE = (4u << OPCODE_SHIFT | 1600u ), 567 568 VMULESB_OPCODE = (4u << OPCODE_SHIFT | 776u ), 569 VMULEUB_OPCODE = (4u << OPCODE_SHIFT | 520u ), 570 VMULESH_OPCODE = (4u << OPCODE_SHIFT | 840u ), 571 VMULEUH_OPCODE = (4u << OPCODE_SHIFT | 584u ), 572 VMULOSB_OPCODE = (4u << OPCODE_SHIFT | 264u ), 573 VMULOUB_OPCODE = (4u << OPCODE_SHIFT | 8u ), 574 VMULOSH_OPCODE = (4u << OPCODE_SHIFT | 328u ), 575 VMULOUH_OPCODE = (4u << OPCODE_SHIFT | 72u ), 576 VMHADDSHS_OPCODE=(4u << OPCODE_SHIFT | 32u ), 577 VMHRADDSHS_OPCODE=(4u << OPCODE_SHIFT | 33u ), 578 VMLADDUHM_OPCODE=(4u << OPCODE_SHIFT | 34u ), 579 VMSUBUHM_OPCODE= (4u << OPCODE_SHIFT | 36u ), 580 VMSUMMBM_OPCODE= (4u << OPCODE_SHIFT | 37u ), 581 VMSUMSHM_OPCODE= (4u << OPCODE_SHIFT | 40u ), 582 VMSUMSHS_OPCODE= (4u << OPCODE_SHIFT | 41u ), 583 VMSUMUHM_OPCODE= (4u << OPCODE_SHIFT | 38u ), 584 VMSUMUHS_OPCODE= (4u << OPCODE_SHIFT | 39u ), 585 586 VSUMSWS_OPCODE = (4u << OPCODE_SHIFT | 1928u ), 587 VSUM2SWS_OPCODE= (4u << OPCODE_SHIFT | 1672u ), 588 VSUM4SBS_OPCODE= (4u << OPCODE_SHIFT | 1800u ), 589 VSUM4UBS_OPCODE= (4u << OPCODE_SHIFT | 1544u ), 590 VSUM4SHS_OPCODE= (4u << OPCODE_SHIFT | 1608u ), 591 592 VAVGSB_OPCODE = (4u << OPCODE_SHIFT | 1282u ), 593 VAVGSW_OPCODE = (4u << OPCODE_SHIFT | 1410u ), 594 VAVGSH_OPCODE = (4u << OPCODE_SHIFT | 1346u ), 595 VAVGUB_OPCODE = (4u << OPCODE_SHIFT | 1026u ), 596 VAVGUW_OPCODE = (4u << OPCODE_SHIFT | 1154u ), 597 VAVGUH_OPCODE = (4u << OPCODE_SHIFT | 1090u ), 598 599 VMAXSB_OPCODE = (4u << OPCODE_SHIFT | 258u ), 600 VMAXSW_OPCODE = (4u << OPCODE_SHIFT | 386u ), 601 VMAXSH_OPCODE = (4u << OPCODE_SHIFT | 322u ), 602 VMAXUB_OPCODE = (4u << OPCODE_SHIFT | 2u ), 603 VMAXUW_OPCODE = (4u << OPCODE_SHIFT | 130u ), 604 VMAXUH_OPCODE = (4u << OPCODE_SHIFT | 66u ), 605 VMINSB_OPCODE = (4u << OPCODE_SHIFT | 770u ), 606 VMINSW_OPCODE = (4u << OPCODE_SHIFT | 898u ), 607 VMINSH_OPCODE = (4u << OPCODE_SHIFT | 834u ), 608 VMINUB_OPCODE = (4u << OPCODE_SHIFT | 514u ), 609 VMINUW_OPCODE = (4u << OPCODE_SHIFT | 642u ), 610 VMINUH_OPCODE = (4u << OPCODE_SHIFT | 578u ), 611 612 VCMPEQUB_OPCODE= (4u << OPCODE_SHIFT | 6u ), 613 VCMPEQUH_OPCODE= (4u << OPCODE_SHIFT | 70u ), 614 VCMPEQUW_OPCODE= (4u << OPCODE_SHIFT | 134u ), 615 VCMPGTSH_OPCODE= (4u << OPCODE_SHIFT | 838u ), 616 VCMPGTSB_OPCODE= (4u << OPCODE_SHIFT | 774u ), 617 VCMPGTSW_OPCODE= (4u << OPCODE_SHIFT | 902u ), 618 VCMPGTUB_OPCODE= (4u << OPCODE_SHIFT | 518u ), 619 VCMPGTUH_OPCODE= (4u << OPCODE_SHIFT | 582u ), 620 VCMPGTUW_OPCODE= (4u << OPCODE_SHIFT | 646u ), 621 622 VAND_OPCODE = (4u << OPCODE_SHIFT | 1028u ), 623 VANDC_OPCODE = (4u << OPCODE_SHIFT | 1092u ), 624 VNOR_OPCODE = (4u << OPCODE_SHIFT | 1284u ), 625 VOR_OPCODE = (4u << OPCODE_SHIFT | 1156u ), 626 VXOR_OPCODE = (4u << OPCODE_SHIFT | 1220u ), 627 VRLD_OPCODE = (4u << OPCODE_SHIFT | 196u ), 628 VRLB_OPCODE = (4u << OPCODE_SHIFT | 4u ), 629 VRLW_OPCODE = (4u << OPCODE_SHIFT | 132u ), 630 VRLH_OPCODE = (4u << OPCODE_SHIFT | 68u ), 631 VSLB_OPCODE = (4u << OPCODE_SHIFT | 260u ), 632 VSKW_OPCODE = (4u << OPCODE_SHIFT | 388u ), 633 VSLH_OPCODE = (4u << OPCODE_SHIFT | 324u ), 634 VSRB_OPCODE = (4u << OPCODE_SHIFT | 516u ), 635 VSRW_OPCODE = (4u << OPCODE_SHIFT | 644u ), 636 VSRH_OPCODE = (4u << OPCODE_SHIFT | 580u ), 637 VSRAB_OPCODE = (4u << OPCODE_SHIFT | 772u ), 638 VSRAW_OPCODE = (4u << OPCODE_SHIFT | 900u ), 639 VSRAH_OPCODE = (4u << OPCODE_SHIFT | 836u ), 640 641 // Vector Floating-Point 642 // not implemented yet 643 644 // Vector Status and Control 645 MTVSCR_OPCODE = (4u << OPCODE_SHIFT | 1604u ), 646 MFVSCR_OPCODE = (4u << OPCODE_SHIFT | 1540u ), 647 648 // AES (introduced with Power 8) 649 VCIPHER_OPCODE = (4u << OPCODE_SHIFT | 1288u), 650 VCIPHERLAST_OPCODE = (4u << OPCODE_SHIFT | 1289u), 651 VNCIPHER_OPCODE = (4u << OPCODE_SHIFT | 1352u), 652 VNCIPHERLAST_OPCODE = (4u << OPCODE_SHIFT | 1353u), 653 VSBOX_OPCODE = (4u << OPCODE_SHIFT | 1480u), 654 655 // SHA (introduced with Power 8) 656 VSHASIGMAD_OPCODE = (4u << OPCODE_SHIFT | 1730u), 657 VSHASIGMAW_OPCODE = (4u << OPCODE_SHIFT | 1666u), 658 659 // Vector Binary Polynomial Multiplication (introduced with Power 8) 660 VPMSUMB_OPCODE = (4u << OPCODE_SHIFT | 1032u), 661 VPMSUMD_OPCODE = (4u << OPCODE_SHIFT | 1224u), 662 VPMSUMH_OPCODE = (4u << OPCODE_SHIFT | 1096u), 663 VPMSUMW_OPCODE = (4u << OPCODE_SHIFT | 1160u), 664 665 // Vector Permute and Xor (introduced with Power 8) 666 VPERMXOR_OPCODE = (4u << OPCODE_SHIFT | 45u), 667 668 // Transactional Memory instructions (introduced with Power 8) 669 TBEGIN_OPCODE = (31u << OPCODE_SHIFT | 654u << 1), 670 TEND_OPCODE = (31u << OPCODE_SHIFT | 686u << 1), 671 TABORT_OPCODE = (31u << OPCODE_SHIFT | 910u << 1), 672 TABORTWC_OPCODE = (31u << OPCODE_SHIFT | 782u << 1), 673 TABORTWCI_OPCODE = (31u << OPCODE_SHIFT | 846u << 1), 674 TABORTDC_OPCODE = (31u << OPCODE_SHIFT | 814u << 1), 675 TABORTDCI_OPCODE = (31u << OPCODE_SHIFT | 878u << 1), 676 TSR_OPCODE = (31u << OPCODE_SHIFT | 750u << 1), 677 TCHECK_OPCODE = (31u << OPCODE_SHIFT | 718u << 1), 678 679 // Icache and dcache related instructions 680 DCBA_OPCODE = (31u << OPCODE_SHIFT | 758u << 1), 681 DCBZ_OPCODE = (31u << OPCODE_SHIFT | 1014u << 1), 682 DCBST_OPCODE = (31u << OPCODE_SHIFT | 54u << 1), 683 DCBF_OPCODE = (31u << OPCODE_SHIFT | 86u << 1), 684 685 DCBT_OPCODE = (31u << OPCODE_SHIFT | 278u << 1), 686 DCBTST_OPCODE = (31u << OPCODE_SHIFT | 246u << 1), 687 ICBI_OPCODE = (31u << OPCODE_SHIFT | 982u << 1), 688 689 // Instruction synchronization 690 ISYNC_OPCODE = (19u << OPCODE_SHIFT | 150u << 1), 691 // Memory barriers 692 SYNC_OPCODE = (31u << OPCODE_SHIFT | 598u << 1), 693 EIEIO_OPCODE = (31u << OPCODE_SHIFT | 854u << 1), 694 695 // Wait instructions for polling. 696 WAIT_OPCODE = (31u << OPCODE_SHIFT | 62u << 1), 697 698 // Trap instructions 699 TDI_OPCODE = (2u << OPCODE_SHIFT), 700 TWI_OPCODE = (3u << OPCODE_SHIFT), 701 TD_OPCODE = (31u << OPCODE_SHIFT | 68u << 1), 702 TW_OPCODE = (31u << OPCODE_SHIFT | 4u << 1), 703 704 // Atomics. 705 LWARX_OPCODE = (31u << OPCODE_SHIFT | 20u << 1), 706 LDARX_OPCODE = (31u << OPCODE_SHIFT | 84u << 1), 707 LQARX_OPCODE = (31u << OPCODE_SHIFT | 276u << 1), 708 STWCX_OPCODE = (31u << OPCODE_SHIFT | 150u << 1), 709 STDCX_OPCODE = (31u << OPCODE_SHIFT | 214u << 1), 710 STQCX_OPCODE = (31u << OPCODE_SHIFT | 182u << 1) 711 712 }; 713 714 // Trap instructions TO bits 715 enum trap_to_bits { 716 // single bits 717 traptoLessThanSigned = 1 << 4, // 0, left end 718 traptoGreaterThanSigned = 1 << 3, 719 traptoEqual = 1 << 2, 720 traptoLessThanUnsigned = 1 << 1, 721 traptoGreaterThanUnsigned = 1 << 0, // 4, right end 722 723 // compound ones 724 traptoUnconditional = (traptoLessThanSigned | 725 traptoGreaterThanSigned | 726 traptoEqual | 727 traptoLessThanUnsigned | 728 traptoGreaterThanUnsigned) 729 }; 730 731 // Branch hints BH field 732 enum branch_hint_bh { 733 // bclr cases: 734 bhintbhBCLRisReturn = 0, 735 bhintbhBCLRisNotReturnButSame = 1, 736 bhintbhBCLRisNotPredictable = 3, 737 738 // bcctr cases: 739 bhintbhBCCTRisNotReturnButSame = 0, 740 bhintbhBCCTRisNotPredictable = 3 741 }; 742 743 // Branch prediction hints AT field 744 enum branch_hint_at { 745 bhintatNoHint = 0, // at=00 746 bhintatIsNotTaken = 2, // at=10 747 bhintatIsTaken = 3 // at=11 748 }; 749 750 // Branch prediction hints 751 enum branch_hint_concept { 752 // Use the same encoding as branch_hint_at to simply code. 753 bhintNoHint = bhintatNoHint, 754 bhintIsNotTaken = bhintatIsNotTaken, 755 bhintIsTaken = bhintatIsTaken 756 }; 757 758 // Used in BO field of branch instruction. 759 enum branch_condition { 760 bcondCRbiIs0 = 4, // bo=001at 761 bcondCRbiIs1 = 12, // bo=011at 762 bcondAlways = 20 // bo=10100 763 }; 764 765 // Branch condition with combined prediction hints. 766 enum branch_condition_with_hint { 767 bcondCRbiIs0_bhintNoHint = bcondCRbiIs0 | bhintatNoHint, 768 bcondCRbiIs0_bhintIsNotTaken = bcondCRbiIs0 | bhintatIsNotTaken, 769 bcondCRbiIs0_bhintIsTaken = bcondCRbiIs0 | bhintatIsTaken, 770 bcondCRbiIs1_bhintNoHint = bcondCRbiIs1 | bhintatNoHint, 771 bcondCRbiIs1_bhintIsNotTaken = bcondCRbiIs1 | bhintatIsNotTaken, 772 bcondCRbiIs1_bhintIsTaken = bcondCRbiIs1 | bhintatIsTaken, 773 }; 774 775 // Elemental Memory Barriers (>=Power 8) 776 enum Elemental_Membar_mask_bits { 777 StoreStore = 1 << 0, 778 StoreLoad = 1 << 1, 779 LoadStore = 1 << 2, 780 LoadLoad = 1 << 3 781 }; 782 783 // Branch prediction hints. 784 inline static int add_bhint_to_boint(const int bhint, const int boint) { 785 switch (boint) { 786 case bcondCRbiIs0: 787 case bcondCRbiIs1: 788 // branch_hint and branch_hint_at have same encodings 789 assert( (int)bhintNoHint == (int)bhintatNoHint 790 && (int)bhintIsNotTaken == (int)bhintatIsNotTaken 791 && (int)bhintIsTaken == (int)bhintatIsTaken, 792 "wrong encodings"); 793 assert((bhint & 0x03) == bhint, "wrong encodings"); 794 return (boint & ~0x03) | bhint; 795 case bcondAlways: 796 // no branch_hint 797 return boint; 798 default: 799 ShouldNotReachHere(); 800 return 0; 801 } 802 } 803 804 // Extract bcond from boint. 805 inline static int inv_boint_bcond(const int boint) { 806 int r_bcond = boint & ~0x03; 807 assert(r_bcond == bcondCRbiIs0 || 808 r_bcond == bcondCRbiIs1 || 809 r_bcond == bcondAlways, 810 "bad branch condition"); 811 return r_bcond; 812 } 813 814 // Extract bhint from boint. 815 inline static int inv_boint_bhint(const int boint) { 816 int r_bhint = boint & 0x03; 817 assert(r_bhint == bhintatNoHint || 818 r_bhint == bhintatIsNotTaken || 819 r_bhint == bhintatIsTaken, 820 "bad branch hint"); 821 return r_bhint; 822 } 823 824 // Calculate opposite of given bcond. 825 inline static int opposite_bcond(const int bcond) { 826 switch (bcond) { 827 case bcondCRbiIs0: 828 return bcondCRbiIs1; 829 case bcondCRbiIs1: 830 return bcondCRbiIs0; 831 default: 832 ShouldNotReachHere(); 833 return 0; 834 } 835 } 836 837 // Calculate opposite of given bhint. 838 inline static int opposite_bhint(const int bhint) { 839 switch (bhint) { 840 case bhintatNoHint: 841 return bhintatNoHint; 842 case bhintatIsNotTaken: 843 return bhintatIsTaken; 844 case bhintatIsTaken: 845 return bhintatIsNotTaken; 846 default: 847 ShouldNotReachHere(); 848 return 0; 849 } 850 } 851 852 // PPC branch instructions 853 enum ppcops { 854 b_op = 18, 855 bc_op = 16, 856 bcr_op = 19 857 }; 858 859 enum Condition { 860 negative = 0, 861 less = 0, 862 positive = 1, 863 greater = 1, 864 zero = 2, 865 equal = 2, 866 summary_overflow = 3, 867 }; 868 869 public: 870 // Helper functions for groups of instructions 871 872 enum Predict { pt = 1, pn = 0 }; // pt = predict taken 873 874 // Instruction must start at passed address. 875 static int instr_len(unsigned char *instr) { return BytesPerInstWord; } 876 877 // longest instructions 878 static int instr_maxlen() { return BytesPerInstWord; } 879 880 // Test if x is within signed immediate range for nbits. 881 static bool is_simm(int x, unsigned int nbits) { 882 assert(0 < nbits && nbits < 32, "out of bounds"); 883 const int min = -(((int)1) << nbits-1); 884 const int maxplus1 = (((int)1) << nbits-1); 885 return min <= x && x < maxplus1; 886 } 887 888 static bool is_simm(jlong x, unsigned int nbits) { 889 assert(0 < nbits && nbits < 64, "out of bounds"); 890 const jlong min = -(((jlong)1) << nbits-1); 891 const jlong maxplus1 = (((jlong)1) << nbits-1); 892 return min <= x && x < maxplus1; 893 } 894 895 // Test if x is within unsigned immediate range for nbits. 896 static bool is_uimm(int x, unsigned int nbits) { 897 assert(0 < nbits && nbits < 32, "out of bounds"); 898 const unsigned int maxplus1 = (((unsigned int)1) << nbits); 899 return (unsigned int)x < maxplus1; 900 } 901 902 static bool is_uimm(jlong x, unsigned int nbits) { 903 assert(0 < nbits && nbits < 64, "out of bounds"); 904 const julong maxplus1 = (((julong)1) << nbits); 905 return (julong)x < maxplus1; 906 } 907 908 protected: 909 // helpers 910 911 // X is supposed to fit in a field "nbits" wide 912 // and be sign-extended. Check the range. 913 static void assert_signed_range(intptr_t x, int nbits) { 914 assert(nbits == 32 || (-(1 << nbits-1) <= x && x < (1 << nbits-1)), 915 "value out of range"); 916 } 917 918 static void assert_signed_word_disp_range(intptr_t x, int nbits) { 919 assert((x & 3) == 0, "not word aligned"); 920 assert_signed_range(x, nbits + 2); 921 } 922 923 static void assert_unsigned_const(int x, int nbits) { 924 assert(juint(x) < juint(1 << nbits), "unsigned constant out of range"); 925 } 926 927 static int fmask(juint hi_bit, juint lo_bit) { 928 assert(hi_bit >= lo_bit && hi_bit < 32, "bad bits"); 929 return (1 << ( hi_bit-lo_bit + 1 )) - 1; 930 } 931 932 // inverse of u_field 933 static int inv_u_field(int x, int hi_bit, int lo_bit) { 934 juint r = juint(x) >> lo_bit; 935 r &= fmask(hi_bit, lo_bit); 936 return int(r); 937 } 938 939 // signed version: extract from field and sign-extend 940 static int inv_s_field_ppc(int x, int hi_bit, int lo_bit) { 941 x = x << (31-hi_bit); 942 x = x >> (31-hi_bit+lo_bit); 943 return x; 944 } 945 946 static int u_field(int x, int hi_bit, int lo_bit) { 947 assert((x & ~fmask(hi_bit, lo_bit)) == 0, "value out of range"); 948 int r = x << lo_bit; 949 assert(inv_u_field(r, hi_bit, lo_bit) == x, "just checking"); 950 return r; 951 } 952 953 // Same as u_field for signed values 954 static int s_field(int x, int hi_bit, int lo_bit) { 955 int nbits = hi_bit - lo_bit + 1; 956 assert(nbits == 32 || (-(1 << nbits-1) <= x && x < (1 << nbits-1)), 957 "value out of range"); 958 x &= fmask(hi_bit, lo_bit); 959 int r = x << lo_bit; 960 return r; 961 } 962 963 // inv_op for ppc instructions 964 static int inv_op_ppc(int x) { return inv_u_field(x, 31, 26); } 965 966 // Determine target address from li, bd field of branch instruction. 967 static intptr_t inv_li_field(int x) { 968 intptr_t r = inv_s_field_ppc(x, 25, 2); 969 r = (r << 2); 970 return r; 971 } 972 static intptr_t inv_bd_field(int x, intptr_t pos) { 973 intptr_t r = inv_s_field_ppc(x, 15, 2); 974 r = (r << 2) + pos; 975 return r; 976 } 977 978 #define inv_opp_u_field(x, hi_bit, lo_bit) inv_u_field(x, 31-(lo_bit), 31-(hi_bit)) 979 #define inv_opp_s_field(x, hi_bit, lo_bit) inv_s_field_ppc(x, 31-(lo_bit), 31-(hi_bit)) 980 // Extract instruction fields from instruction words. 981 public: 982 static int inv_ra_field(int x) { return inv_opp_u_field(x, 15, 11); } 983 static int inv_rb_field(int x) { return inv_opp_u_field(x, 20, 16); } 984 static int inv_rt_field(int x) { return inv_opp_u_field(x, 10, 6); } 985 static int inv_rta_field(int x) { return inv_opp_u_field(x, 15, 11); } 986 static int inv_rs_field(int x) { return inv_opp_u_field(x, 10, 6); } 987 // Ds uses opp_s_field(x, 31, 16), but lowest 2 bits must be 0. 988 // Inv_ds_field uses range (x, 29, 16) but shifts by 2 to ensure that lowest bits are 0. 989 static int inv_ds_field(int x) { return inv_opp_s_field(x, 29, 16) << 2; } 990 static int inv_d1_field(int x) { return inv_opp_s_field(x, 31, 16); } 991 static int inv_si_field(int x) { return inv_opp_s_field(x, 31, 16); } 992 static int inv_to_field(int x) { return inv_opp_u_field(x, 10, 6); } 993 static int inv_lk_field(int x) { return inv_opp_u_field(x, 31, 31); } 994 static int inv_bo_field(int x) { return inv_opp_u_field(x, 10, 6); } 995 static int inv_bi_field(int x) { return inv_opp_u_field(x, 15, 11); } 996 997 #define opp_u_field(x, hi_bit, lo_bit) u_field(x, 31-(lo_bit), 31-(hi_bit)) 998 #define opp_s_field(x, hi_bit, lo_bit) s_field(x, 31-(lo_bit), 31-(hi_bit)) 999 1000 // instruction fields 1001 static int aa( int x) { return opp_u_field(x, 30, 30); } 1002 static int ba( int x) { return opp_u_field(x, 15, 11); } 1003 static int bb( int x) { return opp_u_field(x, 20, 16); } 1004 static int bc( int x) { return opp_u_field(x, 25, 21); } 1005 static int bd( int x) { return opp_s_field(x, 29, 16); } 1006 static int bf( ConditionRegister cr) { return bf(cr->encoding()); } 1007 static int bf( int x) { return opp_u_field(x, 8, 6); } 1008 static int bfa(ConditionRegister cr) { return bfa(cr->encoding()); } 1009 static int bfa( int x) { return opp_u_field(x, 13, 11); } 1010 static int bh( int x) { return opp_u_field(x, 20, 19); } 1011 static int bi( int x) { return opp_u_field(x, 15, 11); } 1012 static int bi0(ConditionRegister cr, Condition c) { return (cr->encoding() << 2) | c; } 1013 static int bo( int x) { return opp_u_field(x, 10, 6); } 1014 static int bt( int x) { return opp_u_field(x, 10, 6); } 1015 static int d1( int x) { return opp_s_field(x, 31, 16); } 1016 static int ds( int x) { assert((x & 0x3) == 0, "unaligned offset"); return opp_s_field(x, 31, 16); } 1017 static int eh( int x) { return opp_u_field(x, 31, 31); } 1018 static int flm( int x) { return opp_u_field(x, 14, 7); } 1019 static int fra( FloatRegister r) { return fra(r->encoding());} 1020 static int frb( FloatRegister r) { return frb(r->encoding());} 1021 static int frc( FloatRegister r) { return frc(r->encoding());} 1022 static int frs( FloatRegister r) { return frs(r->encoding());} 1023 static int frt( FloatRegister r) { return frt(r->encoding());} 1024 static int fra( int x) { return opp_u_field(x, 15, 11); } 1025 static int frb( int x) { return opp_u_field(x, 20, 16); } 1026 static int frc( int x) { return opp_u_field(x, 25, 21); } 1027 static int frs( int x) { return opp_u_field(x, 10, 6); } 1028 static int frt( int x) { return opp_u_field(x, 10, 6); } 1029 static int fxm( int x) { return opp_u_field(x, 19, 12); } 1030 static int l10( int x) { return opp_u_field(x, 10, 10); } 1031 static int l15( int x) { return opp_u_field(x, 15, 15); } 1032 static int l910( int x) { return opp_u_field(x, 10, 9); } 1033 static int e1215( int x) { return opp_u_field(x, 15, 12); } 1034 static int lev( int x) { return opp_u_field(x, 26, 20); } 1035 static int li( int x) { return opp_s_field(x, 29, 6); } 1036 static int lk( int x) { return opp_u_field(x, 31, 31); } 1037 static int mb2125( int x) { return opp_u_field(x, 25, 21); } 1038 static int me2630( int x) { return opp_u_field(x, 30, 26); } 1039 static int mb2126( int x) { return opp_u_field(((x & 0x1f) << 1) | ((x & 0x20) >> 5), 26, 21); } 1040 static int me2126( int x) { return mb2126(x); } 1041 static int nb( int x) { return opp_u_field(x, 20, 16); } 1042 //static int opcd( int x) { return opp_u_field(x, 5, 0); } // is contained in our opcodes 1043 static int oe( int x) { return opp_u_field(x, 21, 21); } 1044 static int ra( Register r) { return ra(r->encoding()); } 1045 static int ra( int x) { return opp_u_field(x, 15, 11); } 1046 static int rb( Register r) { return rb(r->encoding()); } 1047 static int rb( int x) { return opp_u_field(x, 20, 16); } 1048 static int rc( int x) { return opp_u_field(x, 31, 31); } 1049 static int rs( Register r) { return rs(r->encoding()); } 1050 static int rs( int x) { return opp_u_field(x, 10, 6); } 1051 // we don't want to use R0 in memory accesses, because it has value `0' then 1052 static int ra0mem( Register r) { assert(r != R0, "cannot use register R0 in memory access"); return ra(r); } 1053 static int ra0mem( int x) { assert(x != 0, "cannot use register 0 in memory access"); return ra(x); } 1054 1055 // register r is target 1056 static int rt( Register r) { return rs(r); } 1057 static int rt( int x) { return rs(x); } 1058 static int rta( Register r) { return ra(r); } 1059 static int rta0mem( Register r) { rta(r); return ra0mem(r); } 1060 1061 static int sh1620( int x) { return opp_u_field(x, 20, 16); } 1062 static int sh30( int x) { return opp_u_field(x, 30, 30); } 1063 static int sh162030( int x) { return sh1620(x & 0x1f) | sh30((x & 0x20) >> 5); } 1064 static int si( int x) { return opp_s_field(x, 31, 16); } 1065 static int spr( int x) { return opp_u_field(x, 20, 11); } 1066 static int sr( int x) { return opp_u_field(x, 15, 12); } 1067 static int tbr( int x) { return opp_u_field(x, 20, 11); } 1068 static int th( int x) { return opp_u_field(x, 10, 7); } 1069 static int thct( int x) { assert((x&8) == 0, "must be valid cache specification"); return th(x); } 1070 static int thds( int x) { assert((x&8) == 8, "must be valid stream specification"); return th(x); } 1071 static int to( int x) { return opp_u_field(x, 10, 6); } 1072 static int u( int x) { return opp_u_field(x, 19, 16); } 1073 static int ui( int x) { return opp_u_field(x, 31, 16); } 1074 1075 // Support vector instructions for >= Power6. 1076 static int vra( int x) { return opp_u_field(x, 15, 11); } 1077 static int vrb( int x) { return opp_u_field(x, 20, 16); } 1078 static int vrc( int x) { return opp_u_field(x, 25, 21); } 1079 static int vrs( int x) { return opp_u_field(x, 10, 6); } 1080 static int vrt( int x) { return opp_u_field(x, 10, 6); } 1081 1082 static int vra( VectorRegister r) { return vra(r->encoding());} 1083 static int vrb( VectorRegister r) { return vrb(r->encoding());} 1084 static int vrc( VectorRegister r) { return vrc(r->encoding());} 1085 static int vrs( VectorRegister r) { return vrs(r->encoding());} 1086 static int vrt( VectorRegister r) { return vrt(r->encoding());} 1087 1088 static int vsplt_uim( int x) { return opp_u_field(x, 15, 12); } // for vsplt* instructions 1089 static int vsplti_sim(int x) { return opp_u_field(x, 15, 11); } // for vsplti* instructions 1090 static int vsldoi_shb(int x) { return opp_u_field(x, 25, 22); } // for vsldoi instruction 1091 static int vcmp_rc( int x) { return opp_u_field(x, 21, 21); } // for vcmp* instructions 1092 1093 //static int xo1( int x) { return opp_u_field(x, 29, 21); }// is contained in our opcodes 1094 //static int xo2( int x) { return opp_u_field(x, 30, 21); }// is contained in our opcodes 1095 //static int xo3( int x) { return opp_u_field(x, 30, 22); }// is contained in our opcodes 1096 //static int xo4( int x) { return opp_u_field(x, 30, 26); }// is contained in our opcodes 1097 //static int xo5( int x) { return opp_u_field(x, 29, 27); }// is contained in our opcodes 1098 //static int xo6( int x) { return opp_u_field(x, 30, 27); }// is contained in our opcodes 1099 //static int xo7( int x) { return opp_u_field(x, 31, 30); }// is contained in our opcodes 1100 1101 protected: 1102 // Compute relative address for branch. 1103 static intptr_t disp(intptr_t x, intptr_t off) { 1104 int xx = x - off; 1105 xx = xx >> 2; 1106 return xx; 1107 } 1108 1109 public: 1110 // signed immediate, in low bits, nbits long 1111 static int simm(int x, int nbits) { 1112 assert_signed_range(x, nbits); 1113 return x & ((1 << nbits) - 1); 1114 } 1115 1116 // unsigned immediate, in low bits, nbits long 1117 static int uimm(int x, int nbits) { 1118 assert_unsigned_const(x, nbits); 1119 return x & ((1 << nbits) - 1); 1120 } 1121 1122 static void set_imm(int* instr, short s) { 1123 // imm is always in the lower 16 bits of the instruction, 1124 // so this is endian-neutral. Same for the get_imm below. 1125 uint32_t w = *(uint32_t *)instr; 1126 *instr = (int)((w & ~0x0000FFFF) | (s & 0x0000FFFF)); 1127 } 1128 1129 static int get_imm(address a, int instruction_number) { 1130 return (short)((int *)a)[instruction_number]; 1131 } 1132 1133 static inline int hi16_signed( int x) { return (int)(int16_t)(x >> 16); } 1134 static inline int lo16_unsigned(int x) { return x & 0xffff; } 1135 1136 protected: 1137 1138 // Extract the top 32 bits in a 64 bit word. 1139 static int32_t hi32(int64_t x) { 1140 int32_t r = int32_t((uint64_t)x >> 32); 1141 return r; 1142 } 1143 1144 public: 1145 1146 static inline unsigned int align_addr(unsigned int addr, unsigned int a) { 1147 return ((addr + (a - 1)) & ~(a - 1)); 1148 } 1149 1150 static inline bool is_aligned(unsigned int addr, unsigned int a) { 1151 return (0 == addr % a); 1152 } 1153 1154 void flush() { 1155 AbstractAssembler::flush(); 1156 } 1157 1158 inline void emit_int32(int); // shadows AbstractAssembler::emit_int32 1159 inline void emit_data(int); 1160 inline void emit_data(int, RelocationHolder const&); 1161 inline void emit_data(int, relocInfo::relocType rtype); 1162 1163 // Emit an address. 1164 inline address emit_addr(const address addr = NULL); 1165 1166 #if !defined(ABI_ELFv2) 1167 // Emit a function descriptor with the specified entry point, TOC, 1168 // and ENV. If the entry point is NULL, the descriptor will point 1169 // just past the descriptor. 1170 // Use values from friend functions as defaults. 1171 inline address emit_fd(address entry = NULL, 1172 address toc = (address) FunctionDescriptor::friend_toc, 1173 address env = (address) FunctionDescriptor::friend_env); 1174 #endif 1175 1176 ///////////////////////////////////////////////////////////////////////////////////// 1177 // PPC instructions 1178 ///////////////////////////////////////////////////////////////////////////////////// 1179 1180 // Memory instructions use r0 as hard coded 0, e.g. to simulate loading 1181 // immediates. The normal instruction encoders enforce that r0 is not 1182 // passed to them. Use either extended mnemonics encoders or the special ra0 1183 // versions. 1184 1185 // Issue an illegal instruction. 1186 inline void illtrap(); 1187 static inline bool is_illtrap(int x); 1188 1189 // PPC 1, section 3.3.8, Fixed-Point Arithmetic Instructions 1190 inline void addi( Register d, Register a, int si16); 1191 inline void addis(Register d, Register a, int si16); 1192 private: 1193 inline void addi_r0ok( Register d, Register a, int si16); 1194 inline void addis_r0ok(Register d, Register a, int si16); 1195 public: 1196 inline void addic_( Register d, Register a, int si16); 1197 inline void subfic( Register d, Register a, int si16); 1198 inline void add( Register d, Register a, Register b); 1199 inline void add_( Register d, Register a, Register b); 1200 inline void subf( Register d, Register a, Register b); // d = b - a "Sub_from", as in ppc spec. 1201 inline void sub( Register d, Register a, Register b); // d = a - b Swap operands of subf for readability. 1202 inline void subf_( Register d, Register a, Register b); 1203 inline void addc( Register d, Register a, Register b); 1204 inline void addc_( Register d, Register a, Register b); 1205 inline void subfc( Register d, Register a, Register b); 1206 inline void subfc_( Register d, Register a, Register b); 1207 inline void adde( Register d, Register a, Register b); 1208 inline void adde_( Register d, Register a, Register b); 1209 inline void subfe( Register d, Register a, Register b); 1210 inline void subfe_( Register d, Register a, Register b); 1211 inline void addme( Register d, Register a); 1212 inline void addme_( Register d, Register a); 1213 inline void subfme( Register d, Register a); 1214 inline void subfme_(Register d, Register a); 1215 inline void addze( Register d, Register a); 1216 inline void addze_( Register d, Register a); 1217 inline void subfze( Register d, Register a); 1218 inline void subfze_(Register d, Register a); 1219 inline void neg( Register d, Register a); 1220 inline void neg_( Register d, Register a); 1221 inline void mulli( Register d, Register a, int si16); 1222 inline void mulld( Register d, Register a, Register b); 1223 inline void mulld_( Register d, Register a, Register b); 1224 inline void mullw( Register d, Register a, Register b); 1225 inline void mullw_( Register d, Register a, Register b); 1226 inline void mulhw( Register d, Register a, Register b); 1227 inline void mulhw_( Register d, Register a, Register b); 1228 inline void mulhwu( Register d, Register a, Register b); 1229 inline void mulhwu_(Register d, Register a, Register b); 1230 inline void mulhd( Register d, Register a, Register b); 1231 inline void mulhd_( Register d, Register a, Register b); 1232 inline void mulhdu( Register d, Register a, Register b); 1233 inline void mulhdu_(Register d, Register a, Register b); 1234 inline void divd( Register d, Register a, Register b); 1235 inline void divd_( Register d, Register a, Register b); 1236 inline void divw( Register d, Register a, Register b); 1237 inline void divw_( Register d, Register a, Register b); 1238 1239 // Fixed-Point Arithmetic Instructions with Overflow detection 1240 inline void addo( Register d, Register a, Register b); 1241 inline void addo_( Register d, Register a, Register b); 1242 inline void subfo( Register d, Register a, Register b); 1243 inline void subfo_( Register d, Register a, Register b); 1244 inline void addco( Register d, Register a, Register b); 1245 inline void addco_( Register d, Register a, Register b); 1246 inline void subfco( Register d, Register a, Register b); 1247 inline void subfco_( Register d, Register a, Register b); 1248 inline void addeo( Register d, Register a, Register b); 1249 inline void addeo_( Register d, Register a, Register b); 1250 inline void subfeo( Register d, Register a, Register b); 1251 inline void subfeo_( Register d, Register a, Register b); 1252 inline void addmeo( Register d, Register a); 1253 inline void addmeo_( Register d, Register a); 1254 inline void subfmeo( Register d, Register a); 1255 inline void subfmeo_(Register d, Register a); 1256 inline void addzeo( Register d, Register a); 1257 inline void addzeo_( Register d, Register a); 1258 inline void subfzeo( Register d, Register a); 1259 inline void subfzeo_(Register d, Register a); 1260 inline void nego( Register d, Register a); 1261 inline void nego_( Register d, Register a); 1262 inline void mulldo( Register d, Register a, Register b); 1263 inline void mulldo_( Register d, Register a, Register b); 1264 inline void mullwo( Register d, Register a, Register b); 1265 inline void mullwo_( Register d, Register a, Register b); 1266 inline void divdo( Register d, Register a, Register b); 1267 inline void divdo_( Register d, Register a, Register b); 1268 inline void divwo( Register d, Register a, Register b); 1269 inline void divwo_( Register d, Register a, Register b); 1270 1271 // extended mnemonics 1272 inline void li( Register d, int si16); 1273 inline void lis( Register d, int si16); 1274 inline void addir(Register d, int si16, Register a); 1275 1276 static bool is_addi(int x) { 1277 return ADDI_OPCODE == (x & ADDI_OPCODE_MASK); 1278 } 1279 static bool is_addis(int x) { 1280 return ADDIS_OPCODE == (x & ADDIS_OPCODE_MASK); 1281 } 1282 static bool is_bxx(int x) { 1283 return BXX_OPCODE == (x & BXX_OPCODE_MASK); 1284 } 1285 static bool is_b(int x) { 1286 return BXX_OPCODE == (x & BXX_OPCODE_MASK) && inv_lk_field(x) == 0; 1287 } 1288 static bool is_bl(int x) { 1289 return BXX_OPCODE == (x & BXX_OPCODE_MASK) && inv_lk_field(x) == 1; 1290 } 1291 static bool is_bcxx(int x) { 1292 return BCXX_OPCODE == (x & BCXX_OPCODE_MASK); 1293 } 1294 static bool is_bxx_or_bcxx(int x) { 1295 return is_bxx(x) || is_bcxx(x); 1296 } 1297 static bool is_bctrl(int x) { 1298 return x == 0x4e800421; 1299 } 1300 static bool is_bctr(int x) { 1301 return x == 0x4e800420; 1302 } 1303 static bool is_bclr(int x) { 1304 return BCLR_OPCODE == (x & XL_FORM_OPCODE_MASK); 1305 } 1306 static bool is_li(int x) { 1307 return is_addi(x) && inv_ra_field(x)==0; 1308 } 1309 static bool is_lis(int x) { 1310 return is_addis(x) && inv_ra_field(x)==0; 1311 } 1312 static bool is_mtctr(int x) { 1313 return MTCTR_OPCODE == (x & MTCTR_OPCODE_MASK); 1314 } 1315 static bool is_ld(int x) { 1316 return LD_OPCODE == (x & LD_OPCODE_MASK); 1317 } 1318 static bool is_std(int x) { 1319 return STD_OPCODE == (x & STD_OPCODE_MASK); 1320 } 1321 static bool is_stdu(int x) { 1322 return STDU_OPCODE == (x & STDU_OPCODE_MASK); 1323 } 1324 static bool is_stdx(int x) { 1325 return STDX_OPCODE == (x & STDX_OPCODE_MASK); 1326 } 1327 static bool is_stdux(int x) { 1328 return STDUX_OPCODE == (x & STDUX_OPCODE_MASK); 1329 } 1330 static bool is_stwx(int x) { 1331 return STWX_OPCODE == (x & STWX_OPCODE_MASK); 1332 } 1333 static bool is_stwux(int x) { 1334 return STWUX_OPCODE == (x & STWUX_OPCODE_MASK); 1335 } 1336 static bool is_stw(int x) { 1337 return STW_OPCODE == (x & STW_OPCODE_MASK); 1338 } 1339 static bool is_stwu(int x) { 1340 return STWU_OPCODE == (x & STWU_OPCODE_MASK); 1341 } 1342 static bool is_ori(int x) { 1343 return ORI_OPCODE == (x & ORI_OPCODE_MASK); 1344 }; 1345 static bool is_oris(int x) { 1346 return ORIS_OPCODE == (x & ORIS_OPCODE_MASK); 1347 }; 1348 static bool is_rldicr(int x) { 1349 return (RLDICR_OPCODE == (x & RLDICR_OPCODE_MASK)); 1350 }; 1351 static bool is_nop(int x) { 1352 return x == 0x60000000; 1353 } 1354 // endgroup opcode for Power6 1355 static bool is_endgroup(int x) { 1356 return is_ori(x) && inv_ra_field(x) == 1 && inv_rs_field(x) == 1 && inv_d1_field(x) == 0; 1357 } 1358 1359 1360 private: 1361 // PPC 1, section 3.3.9, Fixed-Point Compare Instructions 1362 inline void cmpi( ConditionRegister bf, int l, Register a, int si16); 1363 inline void cmp( ConditionRegister bf, int l, Register a, Register b); 1364 inline void cmpli(ConditionRegister bf, int l, Register a, int ui16); 1365 inline void cmpl( ConditionRegister bf, int l, Register a, Register b); 1366 1367 public: 1368 // extended mnemonics of Compare Instructions 1369 inline void cmpwi( ConditionRegister crx, Register a, int si16); 1370 inline void cmpdi( ConditionRegister crx, Register a, int si16); 1371 inline void cmpw( ConditionRegister crx, Register a, Register b); 1372 inline void cmpd( ConditionRegister crx, Register a, Register b); 1373 inline void cmplwi(ConditionRegister crx, Register a, int ui16); 1374 inline void cmpldi(ConditionRegister crx, Register a, int ui16); 1375 inline void cmplw( ConditionRegister crx, Register a, Register b); 1376 inline void cmpld( ConditionRegister crx, Register a, Register b); 1377 1378 inline void isel( Register d, Register a, Register b, int bc); 1379 // Convenient version which takes: Condition register, Condition code and invert flag. Omit b to keep old value. 1380 inline void isel( Register d, ConditionRegister cr, Condition cc, bool inv, Register a, Register b = noreg); 1381 // Set d = 0 if (cr.cc) equals 1, otherwise b. 1382 inline void isel_0( Register d, ConditionRegister cr, Condition cc, Register b = noreg); 1383 1384 // PPC 1, section 3.3.11, Fixed-Point Logical Instructions 1385 void andi( Register a, Register s, long ui16); // optimized version 1386 inline void andi_( Register a, Register s, int ui16); 1387 inline void andis_( Register a, Register s, int ui16); 1388 inline void ori( Register a, Register s, int ui16); 1389 inline void oris( Register a, Register s, int ui16); 1390 inline void xori( Register a, Register s, int ui16); 1391 inline void xoris( Register a, Register s, int ui16); 1392 inline void andr( Register a, Register s, Register b); // suffixed by 'r' as 'and' is C++ keyword 1393 inline void and_( Register a, Register s, Register b); 1394 // Turn or0(rx,rx,rx) into a nop and avoid that we accidently emit a 1395 // SMT-priority change instruction (see SMT instructions below). 1396 inline void or_unchecked(Register a, Register s, Register b); 1397 inline void orr( Register a, Register s, Register b); // suffixed by 'r' as 'or' is C++ keyword 1398 inline void or_( Register a, Register s, Register b); 1399 inline void xorr( Register a, Register s, Register b); // suffixed by 'r' as 'xor' is C++ keyword 1400 inline void xor_( Register a, Register s, Register b); 1401 inline void nand( Register a, Register s, Register b); 1402 inline void nand_( Register a, Register s, Register b); 1403 inline void nor( Register a, Register s, Register b); 1404 inline void nor_( Register a, Register s, Register b); 1405 inline void andc( Register a, Register s, Register b); 1406 inline void andc_( Register a, Register s, Register b); 1407 inline void orc( Register a, Register s, Register b); 1408 inline void orc_( Register a, Register s, Register b); 1409 inline void extsb( Register a, Register s); 1410 inline void extsb_( Register a, Register s); 1411 inline void extsh( Register a, Register s); 1412 inline void extsh_( Register a, Register s); 1413 inline void extsw( Register a, Register s); 1414 inline void extsw_( Register a, Register s); 1415 1416 // extended mnemonics 1417 inline void nop(); 1418 // NOP for FP and BR units (different versions to allow them to be in one group) 1419 inline void fpnop0(); 1420 inline void fpnop1(); 1421 inline void brnop0(); 1422 inline void brnop1(); 1423 inline void brnop2(); 1424 1425 inline void mr( Register d, Register s); 1426 inline void ori_opt( Register d, int ui16); 1427 inline void oris_opt(Register d, int ui16); 1428 1429 // endgroup opcode for Power6 1430 inline void endgroup(); 1431 1432 // count instructions 1433 inline void cntlzw( Register a, Register s); 1434 inline void cntlzw_( Register a, Register s); 1435 inline void cntlzd( Register a, Register s); 1436 inline void cntlzd_( Register a, Register s); 1437 1438 // PPC 1, section 3.3.12, Fixed-Point Rotate and Shift Instructions 1439 inline void sld( Register a, Register s, Register b); 1440 inline void sld_( Register a, Register s, Register b); 1441 inline void slw( Register a, Register s, Register b); 1442 inline void slw_( Register a, Register s, Register b); 1443 inline void srd( Register a, Register s, Register b); 1444 inline void srd_( Register a, Register s, Register b); 1445 inline void srw( Register a, Register s, Register b); 1446 inline void srw_( Register a, Register s, Register b); 1447 inline void srad( Register a, Register s, Register b); 1448 inline void srad_( Register a, Register s, Register b); 1449 inline void sraw( Register a, Register s, Register b); 1450 inline void sraw_( Register a, Register s, Register b); 1451 inline void sradi( Register a, Register s, int sh6); 1452 inline void sradi_( Register a, Register s, int sh6); 1453 inline void srawi( Register a, Register s, int sh5); 1454 inline void srawi_( Register a, Register s, int sh5); 1455 1456 // extended mnemonics for Shift Instructions 1457 inline void sldi( Register a, Register s, int sh6); 1458 inline void sldi_( Register a, Register s, int sh6); 1459 inline void slwi( Register a, Register s, int sh5); 1460 inline void slwi_( Register a, Register s, int sh5); 1461 inline void srdi( Register a, Register s, int sh6); 1462 inline void srdi_( Register a, Register s, int sh6); 1463 inline void srwi( Register a, Register s, int sh5); 1464 inline void srwi_( Register a, Register s, int sh5); 1465 1466 inline void clrrdi( Register a, Register s, int ui6); 1467 inline void clrrdi_( Register a, Register s, int ui6); 1468 inline void clrldi( Register a, Register s, int ui6); 1469 inline void clrldi_( Register a, Register s, int ui6); 1470 inline void clrlsldi(Register a, Register s, int clrl6, int shl6); 1471 inline void clrlsldi_(Register a, Register s, int clrl6, int shl6); 1472 inline void extrdi( Register a, Register s, int n, int b); 1473 // testbit with condition register 1474 inline void testbitdi(ConditionRegister cr, Register a, Register s, int ui6); 1475 1476 // rotate instructions 1477 inline void rotldi( Register a, Register s, int n); 1478 inline void rotrdi( Register a, Register s, int n); 1479 inline void rotlwi( Register a, Register s, int n); 1480 inline void rotrwi( Register a, Register s, int n); 1481 1482 // Rotate Instructions 1483 inline void rldic( Register a, Register s, int sh6, int mb6); 1484 inline void rldic_( Register a, Register s, int sh6, int mb6); 1485 inline void rldicr( Register a, Register s, int sh6, int mb6); 1486 inline void rldicr_( Register a, Register s, int sh6, int mb6); 1487 inline void rldicl( Register a, Register s, int sh6, int mb6); 1488 inline void rldicl_( Register a, Register s, int sh6, int mb6); 1489 inline void rlwinm( Register a, Register s, int sh5, int mb5, int me5); 1490 inline void rlwinm_( Register a, Register s, int sh5, int mb5, int me5); 1491 inline void rldimi( Register a, Register s, int sh6, int mb6); 1492 inline void rldimi_( Register a, Register s, int sh6, int mb6); 1493 inline void rlwimi( Register a, Register s, int sh5, int mb5, int me5); 1494 inline void insrdi( Register a, Register s, int n, int b); 1495 inline void insrwi( Register a, Register s, int n, int b); 1496 1497 // PPC 1, section 3.3.2 Fixed-Point Load Instructions 1498 // 4 bytes 1499 inline void lwzx( Register d, Register s1, Register s2); 1500 inline void lwz( Register d, int si16, Register s1); 1501 inline void lwzu( Register d, int si16, Register s1); 1502 1503 // 4 bytes 1504 inline void lwax( Register d, Register s1, Register s2); 1505 inline void lwa( Register d, int si16, Register s1); 1506 1507 // 4 bytes reversed 1508 inline void lwbrx( Register d, Register s1, Register s2); 1509 1510 // 2 bytes 1511 inline void lhzx( Register d, Register s1, Register s2); 1512 inline void lhz( Register d, int si16, Register s1); 1513 inline void lhzu( Register d, int si16, Register s1); 1514 1515 // 2 bytes reversed 1516 inline void lhbrx( Register d, Register s1, Register s2); 1517 1518 // 2 bytes 1519 inline void lhax( Register d, Register s1, Register s2); 1520 inline void lha( Register d, int si16, Register s1); 1521 inline void lhau( Register d, int si16, Register s1); 1522 1523 // 1 byte 1524 inline void lbzx( Register d, Register s1, Register s2); 1525 inline void lbz( Register d, int si16, Register s1); 1526 inline void lbzu( Register d, int si16, Register s1); 1527 1528 // 8 bytes 1529 inline void ldx( Register d, Register s1, Register s2); 1530 inline void ld( Register d, int si16, Register s1); 1531 inline void ldu( Register d, int si16, Register s1); 1532 1533 // PPC 1, section 3.3.3 Fixed-Point Store Instructions 1534 inline void stwx( Register d, Register s1, Register s2); 1535 inline void stw( Register d, int si16, Register s1); 1536 inline void stwu( Register d, int si16, Register s1); 1537 1538 inline void sthx( Register d, Register s1, Register s2); 1539 inline void sth( Register d, int si16, Register s1); 1540 inline void sthu( Register d, int si16, Register s1); 1541 1542 inline void stbx( Register d, Register s1, Register s2); 1543 inline void stb( Register d, int si16, Register s1); 1544 inline void stbu( Register d, int si16, Register s1); 1545 1546 inline void stdx( Register d, Register s1, Register s2); 1547 inline void std( Register d, int si16, Register s1); 1548 inline void stdu( Register d, int si16, Register s1); 1549 inline void stdux(Register s, Register a, Register b); 1550 1551 // PPC 1, section 3.3.13 Move To/From System Register Instructions 1552 inline void mtlr( Register s1); 1553 inline void mflr( Register d); 1554 inline void mtctr(Register s1); 1555 inline void mfctr(Register d); 1556 inline void mtcrf(int fxm, Register s); 1557 inline void mfcr( Register d); 1558 inline void mcrf( ConditionRegister crd, ConditionRegister cra); 1559 inline void mtcr( Register s); 1560 1561 // Special purpose registers 1562 // Exception Register 1563 inline void mtxer(Register s1); 1564 inline void mfxer(Register d); 1565 // Vector Register Save Register 1566 inline void mtvrsave(Register s1); 1567 inline void mfvrsave(Register d); 1568 // Timebase 1569 inline void mftb(Register d); 1570 // Introduced with Power 8: 1571 // Data Stream Control Register 1572 inline void mtdscr(Register s1); 1573 inline void mfdscr(Register d ); 1574 // Transactional Memory Registers 1575 inline void mftfhar(Register d); 1576 inline void mftfiar(Register d); 1577 inline void mftexasr(Register d); 1578 inline void mftexasru(Register d); 1579 1580 // TEXASR bit description 1581 enum transaction_failure_reason { 1582 // Upper half (TEXASRU): 1583 tm_failure_persistent = 7, // The failure is likely to recur on each execution. 1584 tm_disallowed = 8, // The instruction is not permitted. 1585 tm_nesting_of = 9, // The maximum transaction level was exceeded. 1586 tm_footprint_of = 10, // The tracking limit for transactional storage accesses was exceeded. 1587 tm_self_induced_cf = 11, // A self-induced conflict occurred in Suspended state. 1588 tm_non_trans_cf = 12, // A conflict occurred with a non-transactional access by another processor. 1589 tm_trans_cf = 13, // A conflict occurred with another transaction. 1590 tm_translation_cf = 14, // A conflict occurred with a TLB invalidation. 1591 tm_inst_fetch_cf = 16, // An instruction fetch was performed from a block that was previously written transactionally. 1592 tm_tabort = 31, // Termination was caused by the execution of an abort instruction. 1593 // Lower half: 1594 tm_suspended = 32, // Failure was recorded in Suspended state. 1595 tm_failure_summary = 36, // Failure has been detected and recorded. 1596 tm_tfiar_exact = 37, // Value in the TFIAR is exact. 1597 tm_rot = 38, // Rollback-only transaction. 1598 }; 1599 1600 // PPC 1, section 2.4.1 Branch Instructions 1601 inline void b( address a, relocInfo::relocType rt = relocInfo::none); 1602 inline void b( Label& L); 1603 inline void bl( address a, relocInfo::relocType rt = relocInfo::none); 1604 inline void bl( Label& L); 1605 inline void bc( int boint, int biint, address a, relocInfo::relocType rt = relocInfo::none); 1606 inline void bc( int boint, int biint, Label& L); 1607 inline void bcl(int boint, int biint, address a, relocInfo::relocType rt = relocInfo::none); 1608 inline void bcl(int boint, int biint, Label& L); 1609 1610 inline void bclr( int boint, int biint, int bhint, relocInfo::relocType rt = relocInfo::none); 1611 inline void bclrl( int boint, int biint, int bhint, relocInfo::relocType rt = relocInfo::none); 1612 inline void bcctr( int boint, int biint, int bhint = bhintbhBCCTRisNotReturnButSame, 1613 relocInfo::relocType rt = relocInfo::none); 1614 inline void bcctrl(int boint, int biint, int bhint = bhintbhBCLRisReturn, 1615 relocInfo::relocType rt = relocInfo::none); 1616 1617 // helper function for b, bcxx 1618 inline bool is_within_range_of_b(address a, address pc); 1619 inline bool is_within_range_of_bcxx(address a, address pc); 1620 1621 // get the destination of a bxx branch (b, bl, ba, bla) 1622 static inline address bxx_destination(address baddr); 1623 static inline address bxx_destination(int instr, address pc); 1624 static inline intptr_t bxx_destination_offset(int instr, intptr_t bxx_pos); 1625 1626 // extended mnemonics for branch instructions 1627 inline void blt(ConditionRegister crx, Label& L); 1628 inline void bgt(ConditionRegister crx, Label& L); 1629 inline void beq(ConditionRegister crx, Label& L); 1630 inline void bso(ConditionRegister crx, Label& L); 1631 inline void bge(ConditionRegister crx, Label& L); 1632 inline void ble(ConditionRegister crx, Label& L); 1633 inline void bne(ConditionRegister crx, Label& L); 1634 inline void bns(ConditionRegister crx, Label& L); 1635 1636 // Branch instructions with static prediction hints. 1637 inline void blt_predict_taken( ConditionRegister crx, Label& L); 1638 inline void bgt_predict_taken( ConditionRegister crx, Label& L); 1639 inline void beq_predict_taken( ConditionRegister crx, Label& L); 1640 inline void bso_predict_taken( ConditionRegister crx, Label& L); 1641 inline void bge_predict_taken( ConditionRegister crx, Label& L); 1642 inline void ble_predict_taken( ConditionRegister crx, Label& L); 1643 inline void bne_predict_taken( ConditionRegister crx, Label& L); 1644 inline void bns_predict_taken( ConditionRegister crx, Label& L); 1645 inline void blt_predict_not_taken(ConditionRegister crx, Label& L); 1646 inline void bgt_predict_not_taken(ConditionRegister crx, Label& L); 1647 inline void beq_predict_not_taken(ConditionRegister crx, Label& L); 1648 inline void bso_predict_not_taken(ConditionRegister crx, Label& L); 1649 inline void bge_predict_not_taken(ConditionRegister crx, Label& L); 1650 inline void ble_predict_not_taken(ConditionRegister crx, Label& L); 1651 inline void bne_predict_not_taken(ConditionRegister crx, Label& L); 1652 inline void bns_predict_not_taken(ConditionRegister crx, Label& L); 1653 1654 // for use in conjunction with testbitdi: 1655 inline void btrue( ConditionRegister crx, Label& L); 1656 inline void bfalse(ConditionRegister crx, Label& L); 1657 1658 inline void bltl(ConditionRegister crx, Label& L); 1659 inline void bgtl(ConditionRegister crx, Label& L); 1660 inline void beql(ConditionRegister crx, Label& L); 1661 inline void bsol(ConditionRegister crx, Label& L); 1662 inline void bgel(ConditionRegister crx, Label& L); 1663 inline void blel(ConditionRegister crx, Label& L); 1664 inline void bnel(ConditionRegister crx, Label& L); 1665 inline void bnsl(ConditionRegister crx, Label& L); 1666 1667 // extended mnemonics for Branch Instructions via LR 1668 // We use `blr' for returns. 1669 inline void blr(relocInfo::relocType rt = relocInfo::none); 1670 1671 // extended mnemonics for Branch Instructions with CTR 1672 // bdnz means `decrement CTR and jump to L if CTR is not zero' 1673 inline void bdnz(Label& L); 1674 // Decrement and branch if result is zero. 1675 inline void bdz(Label& L); 1676 // we use `bctr[l]' for jumps/calls in function descriptor glue 1677 // code, e.g. calls to runtime functions 1678 inline void bctr( relocInfo::relocType rt = relocInfo::none); 1679 inline void bctrl(relocInfo::relocType rt = relocInfo::none); 1680 // conditional jumps/branches via CTR 1681 inline void beqctr( ConditionRegister crx, relocInfo::relocType rt = relocInfo::none); 1682 inline void beqctrl(ConditionRegister crx, relocInfo::relocType rt = relocInfo::none); 1683 inline void bnectr( ConditionRegister crx, relocInfo::relocType rt = relocInfo::none); 1684 inline void bnectrl(ConditionRegister crx, relocInfo::relocType rt = relocInfo::none); 1685 1686 // condition register logic instructions 1687 // NOTE: There's a preferred form: d and s2 should point into the same condition register. 1688 inline void crand( int d, int s1, int s2); 1689 inline void crnand(int d, int s1, int s2); 1690 inline void cror( int d, int s1, int s2); 1691 inline void crxor( int d, int s1, int s2); 1692 inline void crnor( int d, int s1, int s2); 1693 inline void creqv( int d, int s1, int s2); 1694 inline void crandc(int d, int s1, int s2); 1695 inline void crorc( int d, int s1, int s2); 1696 1697 // More convenient version. 1698 int condition_register_bit(ConditionRegister cr, Condition c) { 1699 return 4 * (int)(intptr_t)cr + c; 1700 } 1701 void crand( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1702 void crnand(ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1703 void cror( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1704 void crxor( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1705 void crnor( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1706 void creqv( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1707 void crandc(ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1708 void crorc( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1709 1710 // icache and dcache related instructions 1711 inline void icbi( Register s1, Register s2); 1712 //inline void dcba(Register s1, Register s2); // Instruction for embedded processor only. 1713 inline void dcbz( Register s1, Register s2); 1714 inline void dcbst( Register s1, Register s2); 1715 inline void dcbf( Register s1, Register s2); 1716 1717 enum ct_cache_specification { 1718 ct_primary_cache = 0, 1719 ct_secondary_cache = 2 1720 }; 1721 // dcache read hint 1722 inline void dcbt( Register s1, Register s2); 1723 inline void dcbtct( Register s1, Register s2, int ct); 1724 inline void dcbtds( Register s1, Register s2, int ds); 1725 // dcache write hint 1726 inline void dcbtst( Register s1, Register s2); 1727 inline void dcbtstct(Register s1, Register s2, int ct); 1728 1729 // machine barrier instructions: 1730 // 1731 // - sync two-way memory barrier, aka fence 1732 // - lwsync orders Store|Store, 1733 // Load|Store, 1734 // Load|Load, 1735 // but not Store|Load 1736 // - eieio orders memory accesses for device memory (only) 1737 // - isync invalidates speculatively executed instructions 1738 // From the Power ISA 2.06 documentation: 1739 // "[...] an isync instruction prevents the execution of 1740 // instructions following the isync until instructions 1741 // preceding the isync have completed, [...]" 1742 // From IBM's AIX assembler reference: 1743 // "The isync [...] instructions causes the processor to 1744 // refetch any instructions that might have been fetched 1745 // prior to the isync instruction. The instruction isync 1746 // causes the processor to wait for all previous instructions 1747 // to complete. Then any instructions already fetched are 1748 // discarded and instruction processing continues in the 1749 // environment established by the previous instructions." 1750 // 1751 // semantic barrier instructions: 1752 // (as defined in orderAccess.hpp) 1753 // 1754 // - release orders Store|Store, (maps to lwsync) 1755 // Load|Store 1756 // - acquire orders Load|Store, (maps to lwsync) 1757 // Load|Load 1758 // - fence orders Store|Store, (maps to sync) 1759 // Load|Store, 1760 // Load|Load, 1761 // Store|Load 1762 // 1763 private: 1764 inline void sync(int l); 1765 public: 1766 inline void sync(); 1767 inline void lwsync(); 1768 inline void ptesync(); 1769 inline void eieio(); 1770 inline void isync(); 1771 inline void elemental_membar(int e); // Elemental Memory Barriers (>=Power 8) 1772 1773 // Wait instructions for polling. Attention: May result in SIGILL. 1774 inline void wait(); 1775 inline void waitrsv(); // >=Power7 1776 1777 // atomics 1778 inline void lwarx_unchecked(Register d, Register a, Register b, int eh1 = 0); 1779 inline void ldarx_unchecked(Register d, Register a, Register b, int eh1 = 0); 1780 inline void lqarx_unchecked(Register d, Register a, Register b, int eh1 = 0); 1781 inline bool lxarx_hint_exclusive_access(); 1782 inline void lwarx( Register d, Register a, Register b, bool hint_exclusive_access = false); 1783 inline void ldarx( Register d, Register a, Register b, bool hint_exclusive_access = false); 1784 inline void lqarx( Register d, Register a, Register b, bool hint_exclusive_access = false); 1785 inline void stwcx_( Register s, Register a, Register b); 1786 inline void stdcx_( Register s, Register a, Register b); 1787 inline void stqcx_( Register s, Register a, Register b); 1788 1789 // Instructions for adjusting thread priority for simultaneous 1790 // multithreading (SMT) on Power5. 1791 private: 1792 inline void smt_prio_very_low(); 1793 inline void smt_prio_medium_high(); 1794 inline void smt_prio_high(); 1795 1796 public: 1797 inline void smt_prio_low(); 1798 inline void smt_prio_medium_low(); 1799 inline void smt_prio_medium(); 1800 // >= Power7 1801 inline void smt_yield(); 1802 inline void smt_mdoio(); 1803 inline void smt_mdoom(); 1804 // >= Power8 1805 inline void smt_miso(); 1806 1807 // trap instructions 1808 inline void twi_0(Register a); // for load with acquire semantics use load+twi_0+isync (trap can't occur) 1809 // NOT FOR DIRECT USE!! 1810 protected: 1811 inline void tdi_unchecked(int tobits, Register a, int si16); 1812 inline void twi_unchecked(int tobits, Register a, int si16); 1813 inline void tdi( int tobits, Register a, int si16); // asserts UseSIGTRAP 1814 inline void twi( int tobits, Register a, int si16); // asserts UseSIGTRAP 1815 inline void td( int tobits, Register a, Register b); // asserts UseSIGTRAP 1816 inline void tw( int tobits, Register a, Register b); // asserts UseSIGTRAP 1817 1818 static bool is_tdi(int x, int tobits, int ra, int si16) { 1819 return (TDI_OPCODE == (x & TDI_OPCODE_MASK)) 1820 && (tobits == inv_to_field(x)) 1821 && (ra == -1/*any reg*/ || ra == inv_ra_field(x)) 1822 && (si16 == inv_si_field(x)); 1823 } 1824 1825 static bool is_twi(int x, int tobits, int ra, int si16) { 1826 return (TWI_OPCODE == (x & TWI_OPCODE_MASK)) 1827 && (tobits == inv_to_field(x)) 1828 && (ra == -1/*any reg*/ || ra == inv_ra_field(x)) 1829 && (si16 == inv_si_field(x)); 1830 } 1831 1832 static bool is_twi(int x, int tobits, int ra) { 1833 return (TWI_OPCODE == (x & TWI_OPCODE_MASK)) 1834 && (tobits == inv_to_field(x)) 1835 && (ra == -1/*any reg*/ || ra == inv_ra_field(x)); 1836 } 1837 1838 static bool is_td(int x, int tobits, int ra, int rb) { 1839 return (TD_OPCODE == (x & TD_OPCODE_MASK)) 1840 && (tobits == inv_to_field(x)) 1841 && (ra == -1/*any reg*/ || ra == inv_ra_field(x)) 1842 && (rb == -1/*any reg*/ || rb == inv_rb_field(x)); 1843 } 1844 1845 static bool is_tw(int x, int tobits, int ra, int rb) { 1846 return (TW_OPCODE == (x & TW_OPCODE_MASK)) 1847 && (tobits == inv_to_field(x)) 1848 && (ra == -1/*any reg*/ || ra == inv_ra_field(x)) 1849 && (rb == -1/*any reg*/ || rb == inv_rb_field(x)); 1850 } 1851 1852 public: 1853 // PPC floating point instructions 1854 // PPC 1, section 4.6.2 Floating-Point Load Instructions 1855 inline void lfs( FloatRegister d, int si16, Register a); 1856 inline void lfsu( FloatRegister d, int si16, Register a); 1857 inline void lfsx( FloatRegister d, Register a, Register b); 1858 inline void lfd( FloatRegister d, int si16, Register a); 1859 inline void lfdu( FloatRegister d, int si16, Register a); 1860 inline void lfdx( FloatRegister d, Register a, Register b); 1861 1862 // PPC 1, section 4.6.3 Floating-Point Store Instructions 1863 inline void stfs( FloatRegister s, int si16, Register a); 1864 inline void stfsu( FloatRegister s, int si16, Register a); 1865 inline void stfsx( FloatRegister s, Register a, Register b); 1866 inline void stfd( FloatRegister s, int si16, Register a); 1867 inline void stfdu( FloatRegister s, int si16, Register a); 1868 inline void stfdx( FloatRegister s, Register a, Register b); 1869 1870 // PPC 1, section 4.6.4 Floating-Point Move Instructions 1871 inline void fmr( FloatRegister d, FloatRegister b); 1872 inline void fmr_( FloatRegister d, FloatRegister b); 1873 1874 // inline void mffgpr( FloatRegister d, Register b); 1875 // inline void mftgpr( Register d, FloatRegister b); 1876 inline void cmpb( Register a, Register s, Register b); 1877 inline void popcntb(Register a, Register s); 1878 inline void popcntw(Register a, Register s); 1879 inline void popcntd(Register a, Register s); 1880 1881 inline void fneg( FloatRegister d, FloatRegister b); 1882 inline void fneg_( FloatRegister d, FloatRegister b); 1883 inline void fabs( FloatRegister d, FloatRegister b); 1884 inline void fabs_( FloatRegister d, FloatRegister b); 1885 inline void fnabs( FloatRegister d, FloatRegister b); 1886 inline void fnabs_(FloatRegister d, FloatRegister b); 1887 1888 // PPC 1, section 4.6.5.1 Floating-Point Elementary Arithmetic Instructions 1889 inline void fadd( FloatRegister d, FloatRegister a, FloatRegister b); 1890 inline void fadd_( FloatRegister d, FloatRegister a, FloatRegister b); 1891 inline void fadds( FloatRegister d, FloatRegister a, FloatRegister b); 1892 inline void fadds_(FloatRegister d, FloatRegister a, FloatRegister b); 1893 inline void fsub( FloatRegister d, FloatRegister a, FloatRegister b); 1894 inline void fsub_( FloatRegister d, FloatRegister a, FloatRegister b); 1895 inline void fsubs( FloatRegister d, FloatRegister a, FloatRegister b); 1896 inline void fsubs_(FloatRegister d, FloatRegister a, FloatRegister b); 1897 inline void fmul( FloatRegister d, FloatRegister a, FloatRegister c); 1898 inline void fmul_( FloatRegister d, FloatRegister a, FloatRegister c); 1899 inline void fmuls( FloatRegister d, FloatRegister a, FloatRegister c); 1900 inline void fmuls_(FloatRegister d, FloatRegister a, FloatRegister c); 1901 inline void fdiv( FloatRegister d, FloatRegister a, FloatRegister b); 1902 inline void fdiv_( FloatRegister d, FloatRegister a, FloatRegister b); 1903 inline void fdivs( FloatRegister d, FloatRegister a, FloatRegister b); 1904 inline void fdivs_(FloatRegister d, FloatRegister a, FloatRegister b); 1905 1906 // PPC 1, section 4.6.6 Floating-Point Rounding and Conversion Instructions 1907 inline void frsp( FloatRegister d, FloatRegister b); 1908 inline void fctid( FloatRegister d, FloatRegister b); 1909 inline void fctidz(FloatRegister d, FloatRegister b); 1910 inline void fctiw( FloatRegister d, FloatRegister b); 1911 inline void fctiwz(FloatRegister d, FloatRegister b); 1912 inline void fcfid( FloatRegister d, FloatRegister b); 1913 inline void fcfids(FloatRegister d, FloatRegister b); 1914 1915 // PPC 1, section 4.6.7 Floating-Point Compare Instructions 1916 inline void fcmpu( ConditionRegister crx, FloatRegister a, FloatRegister b); 1917 1918 inline void fsqrt( FloatRegister d, FloatRegister b); 1919 inline void fsqrts(FloatRegister d, FloatRegister b); 1920 1921 // Vector instructions for >= Power6. 1922 inline void lvebx( VectorRegister d, Register s1, Register s2); 1923 inline void lvehx( VectorRegister d, Register s1, Register s2); 1924 inline void lvewx( VectorRegister d, Register s1, Register s2); 1925 inline void lvx( VectorRegister d, Register s1, Register s2); 1926 inline void lvxl( VectorRegister d, Register s1, Register s2); 1927 inline void stvebx( VectorRegister d, Register s1, Register s2); 1928 inline void stvehx( VectorRegister d, Register s1, Register s2); 1929 inline void stvewx( VectorRegister d, Register s1, Register s2); 1930 inline void stvx( VectorRegister d, Register s1, Register s2); 1931 inline void stvxl( VectorRegister d, Register s1, Register s2); 1932 inline void lvsl( VectorRegister d, Register s1, Register s2); 1933 inline void lvsr( VectorRegister d, Register s1, Register s2); 1934 inline void vpkpx( VectorRegister d, VectorRegister a, VectorRegister b); 1935 inline void vpkshss( VectorRegister d, VectorRegister a, VectorRegister b); 1936 inline void vpkswss( VectorRegister d, VectorRegister a, VectorRegister b); 1937 inline void vpkshus( VectorRegister d, VectorRegister a, VectorRegister b); 1938 inline void vpkswus( VectorRegister d, VectorRegister a, VectorRegister b); 1939 inline void vpkuhum( VectorRegister d, VectorRegister a, VectorRegister b); 1940 inline void vpkuwum( VectorRegister d, VectorRegister a, VectorRegister b); 1941 inline void vpkuhus( VectorRegister d, VectorRegister a, VectorRegister b); 1942 inline void vpkuwus( VectorRegister d, VectorRegister a, VectorRegister b); 1943 inline void vupkhpx( VectorRegister d, VectorRegister b); 1944 inline void vupkhsb( VectorRegister d, VectorRegister b); 1945 inline void vupkhsh( VectorRegister d, VectorRegister b); 1946 inline void vupklpx( VectorRegister d, VectorRegister b); 1947 inline void vupklsb( VectorRegister d, VectorRegister b); 1948 inline void vupklsh( VectorRegister d, VectorRegister b); 1949 inline void vmrghb( VectorRegister d, VectorRegister a, VectorRegister b); 1950 inline void vmrghw( VectorRegister d, VectorRegister a, VectorRegister b); 1951 inline void vmrghh( VectorRegister d, VectorRegister a, VectorRegister b); 1952 inline void vmrglb( VectorRegister d, VectorRegister a, VectorRegister b); 1953 inline void vmrglw( VectorRegister d, VectorRegister a, VectorRegister b); 1954 inline void vmrglh( VectorRegister d, VectorRegister a, VectorRegister b); 1955 inline void vsplt( VectorRegister d, int ui4, VectorRegister b); 1956 inline void vsplth( VectorRegister d, int ui3, VectorRegister b); 1957 inline void vspltw( VectorRegister d, int ui2, VectorRegister b); 1958 inline void vspltisb( VectorRegister d, int si5); 1959 inline void vspltish( VectorRegister d, int si5); 1960 inline void vspltisw( VectorRegister d, int si5); 1961 inline void vperm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 1962 inline void vsel( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 1963 inline void vsl( VectorRegister d, VectorRegister a, VectorRegister b); 1964 inline void vsldoi( VectorRegister d, VectorRegister a, VectorRegister b, int si4); 1965 inline void vslo( VectorRegister d, VectorRegister a, VectorRegister b); 1966 inline void vsr( VectorRegister d, VectorRegister a, VectorRegister b); 1967 inline void vsro( VectorRegister d, VectorRegister a, VectorRegister b); 1968 inline void vaddcuw( VectorRegister d, VectorRegister a, VectorRegister b); 1969 inline void vaddshs( VectorRegister d, VectorRegister a, VectorRegister b); 1970 inline void vaddsbs( VectorRegister d, VectorRegister a, VectorRegister b); 1971 inline void vaddsws( VectorRegister d, VectorRegister a, VectorRegister b); 1972 inline void vaddubm( VectorRegister d, VectorRegister a, VectorRegister b); 1973 inline void vadduwm( VectorRegister d, VectorRegister a, VectorRegister b); 1974 inline void vadduhm( VectorRegister d, VectorRegister a, VectorRegister b); 1975 inline void vaddubs( VectorRegister d, VectorRegister a, VectorRegister b); 1976 inline void vadduws( VectorRegister d, VectorRegister a, VectorRegister b); 1977 inline void vadduhs( VectorRegister d, VectorRegister a, VectorRegister b); 1978 inline void vsubcuw( VectorRegister d, VectorRegister a, VectorRegister b); 1979 inline void vsubshs( VectorRegister d, VectorRegister a, VectorRegister b); 1980 inline void vsubsbs( VectorRegister d, VectorRegister a, VectorRegister b); 1981 inline void vsubsws( VectorRegister d, VectorRegister a, VectorRegister b); 1982 inline void vsububm( VectorRegister d, VectorRegister a, VectorRegister b); 1983 inline void vsubuwm( VectorRegister d, VectorRegister a, VectorRegister b); 1984 inline void vsubuhm( VectorRegister d, VectorRegister a, VectorRegister b); 1985 inline void vsububs( VectorRegister d, VectorRegister a, VectorRegister b); 1986 inline void vsubuws( VectorRegister d, VectorRegister a, VectorRegister b); 1987 inline void vsubuhs( VectorRegister d, VectorRegister a, VectorRegister b); 1988 inline void vmulesb( VectorRegister d, VectorRegister a, VectorRegister b); 1989 inline void vmuleub( VectorRegister d, VectorRegister a, VectorRegister b); 1990 inline void vmulesh( VectorRegister d, VectorRegister a, VectorRegister b); 1991 inline void vmuleuh( VectorRegister d, VectorRegister a, VectorRegister b); 1992 inline void vmulosb( VectorRegister d, VectorRegister a, VectorRegister b); 1993 inline void vmuloub( VectorRegister d, VectorRegister a, VectorRegister b); 1994 inline void vmulosh( VectorRegister d, VectorRegister a, VectorRegister b); 1995 inline void vmulouh( VectorRegister d, VectorRegister a, VectorRegister b); 1996 inline void vmhaddshs(VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 1997 inline void vmhraddshs(VectorRegister d,VectorRegister a, VectorRegister b, VectorRegister c); 1998 inline void vmladduhm(VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 1999 inline void vmsubuhm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2000 inline void vmsummbm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2001 inline void vmsumshm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2002 inline void vmsumshs( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2003 inline void vmsumuhm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2004 inline void vmsumuhs( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2005 inline void vsumsws( VectorRegister d, VectorRegister a, VectorRegister b); 2006 inline void vsum2sws( VectorRegister d, VectorRegister a, VectorRegister b); 2007 inline void vsum4sbs( VectorRegister d, VectorRegister a, VectorRegister b); 2008 inline void vsum4ubs( VectorRegister d, VectorRegister a, VectorRegister b); 2009 inline void vsum4shs( VectorRegister d, VectorRegister a, VectorRegister b); 2010 inline void vavgsb( VectorRegister d, VectorRegister a, VectorRegister b); 2011 inline void vavgsw( VectorRegister d, VectorRegister a, VectorRegister b); 2012 inline void vavgsh( VectorRegister d, VectorRegister a, VectorRegister b); 2013 inline void vavgub( VectorRegister d, VectorRegister a, VectorRegister b); 2014 inline void vavguw( VectorRegister d, VectorRegister a, VectorRegister b); 2015 inline void vavguh( VectorRegister d, VectorRegister a, VectorRegister b); 2016 inline void vmaxsb( VectorRegister d, VectorRegister a, VectorRegister b); 2017 inline void vmaxsw( VectorRegister d, VectorRegister a, VectorRegister b); 2018 inline void vmaxsh( VectorRegister d, VectorRegister a, VectorRegister b); 2019 inline void vmaxub( VectorRegister d, VectorRegister a, VectorRegister b); 2020 inline void vmaxuw( VectorRegister d, VectorRegister a, VectorRegister b); 2021 inline void vmaxuh( VectorRegister d, VectorRegister a, VectorRegister b); 2022 inline void vminsb( VectorRegister d, VectorRegister a, VectorRegister b); 2023 inline void vminsw( VectorRegister d, VectorRegister a, VectorRegister b); 2024 inline void vminsh( VectorRegister d, VectorRegister a, VectorRegister b); 2025 inline void vminub( VectorRegister d, VectorRegister a, VectorRegister b); 2026 inline void vminuw( VectorRegister d, VectorRegister a, VectorRegister b); 2027 inline void vminuh( VectorRegister d, VectorRegister a, VectorRegister b); 2028 inline void vcmpequb( VectorRegister d, VectorRegister a, VectorRegister b); 2029 inline void vcmpequh( VectorRegister d, VectorRegister a, VectorRegister b); 2030 inline void vcmpequw( VectorRegister d, VectorRegister a, VectorRegister b); 2031 inline void vcmpgtsh( VectorRegister d, VectorRegister a, VectorRegister b); 2032 inline void vcmpgtsb( VectorRegister d, VectorRegister a, VectorRegister b); 2033 inline void vcmpgtsw( VectorRegister d, VectorRegister a, VectorRegister b); 2034 inline void vcmpgtub( VectorRegister d, VectorRegister a, VectorRegister b); 2035 inline void vcmpgtuh( VectorRegister d, VectorRegister a, VectorRegister b); 2036 inline void vcmpgtuw( VectorRegister d, VectorRegister a, VectorRegister b); 2037 inline void vcmpequb_(VectorRegister d, VectorRegister a, VectorRegister b); 2038 inline void vcmpequh_(VectorRegister d, VectorRegister a, VectorRegister b); 2039 inline void vcmpequw_(VectorRegister d, VectorRegister a, VectorRegister b); 2040 inline void vcmpgtsh_(VectorRegister d, VectorRegister a, VectorRegister b); 2041 inline void vcmpgtsb_(VectorRegister d, VectorRegister a, VectorRegister b); 2042 inline void vcmpgtsw_(VectorRegister d, VectorRegister a, VectorRegister b); 2043 inline void vcmpgtub_(VectorRegister d, VectorRegister a, VectorRegister b); 2044 inline void vcmpgtuh_(VectorRegister d, VectorRegister a, VectorRegister b); 2045 inline void vcmpgtuw_(VectorRegister d, VectorRegister a, VectorRegister b); 2046 inline void vand( VectorRegister d, VectorRegister a, VectorRegister b); 2047 inline void vandc( VectorRegister d, VectorRegister a, VectorRegister b); 2048 inline void vnor( VectorRegister d, VectorRegister a, VectorRegister b); 2049 inline void vor( VectorRegister d, VectorRegister a, VectorRegister b); 2050 inline void vxor( VectorRegister d, VectorRegister a, VectorRegister b); 2051 inline void vrld( VectorRegister d, VectorRegister a, VectorRegister b); 2052 inline void vrlb( VectorRegister d, VectorRegister a, VectorRegister b); 2053 inline void vrlw( VectorRegister d, VectorRegister a, VectorRegister b); 2054 inline void vrlh( VectorRegister d, VectorRegister a, VectorRegister b); 2055 inline void vslb( VectorRegister d, VectorRegister a, VectorRegister b); 2056 inline void vskw( VectorRegister d, VectorRegister a, VectorRegister b); 2057 inline void vslh( VectorRegister d, VectorRegister a, VectorRegister b); 2058 inline void vsrb( VectorRegister d, VectorRegister a, VectorRegister b); 2059 inline void vsrw( VectorRegister d, VectorRegister a, VectorRegister b); 2060 inline void vsrh( VectorRegister d, VectorRegister a, VectorRegister b); 2061 inline void vsrab( VectorRegister d, VectorRegister a, VectorRegister b); 2062 inline void vsraw( VectorRegister d, VectorRegister a, VectorRegister b); 2063 inline void vsrah( VectorRegister d, VectorRegister a, VectorRegister b); 2064 // Vector Floating-Point not implemented yet 2065 inline void mtvscr( VectorRegister b); 2066 inline void mfvscr( VectorRegister d); 2067 2068 // AES (introduced with Power 8) 2069 inline void vcipher( VectorRegister d, VectorRegister a, VectorRegister b); 2070 inline void vcipherlast( VectorRegister d, VectorRegister a, VectorRegister b); 2071 inline void vncipher( VectorRegister d, VectorRegister a, VectorRegister b); 2072 inline void vncipherlast(VectorRegister d, VectorRegister a, VectorRegister b); 2073 inline void vsbox( VectorRegister d, VectorRegister a); 2074 2075 // SHA (introduced with Power 8) 2076 // Not yet implemented. 2077 2078 // Vector Binary Polynomial Multiplication (introduced with Power 8) 2079 inline void vpmsumb( VectorRegister d, VectorRegister a, VectorRegister b); 2080 inline void vpmsumd( VectorRegister d, VectorRegister a, VectorRegister b); 2081 inline void vpmsumh( VectorRegister d, VectorRegister a, VectorRegister b); 2082 inline void vpmsumw( VectorRegister d, VectorRegister a, VectorRegister b); 2083 2084 // Vector Permute and Xor (introduced with Power 8) 2085 inline void vpermxor( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2086 2087 // Transactional Memory instructions (introduced with Power 8) 2088 inline void tbegin_(); // R=0 2089 inline void tbeginrot_(); // R=1 Rollback-Only Transaction 2090 inline void tend_(); // A=0 2091 inline void tendall_(); // A=1 2092 inline void tabort_(); 2093 inline void tabort_(Register a); 2094 inline void tabortwc_(int t, Register a, Register b); 2095 inline void tabortwci_(int t, Register a, int si); 2096 inline void tabortdc_(int t, Register a, Register b); 2097 inline void tabortdci_(int t, Register a, int si); 2098 inline void tsuspend_(); // tsr with L=0 2099 inline void tresume_(); // tsr with L=1 2100 inline void tcheck(int f); 2101 2102 static bool is_tbegin(int x) { 2103 return TBEGIN_OPCODE == (x & (0x3f << OPCODE_SHIFT | 0x3ff << 1)); 2104 } 2105 2106 // The following encoders use r0 as second operand. These instructions 2107 // read r0 as '0'. 2108 inline void lwzx( Register d, Register s2); 2109 inline void lwz( Register d, int si16); 2110 inline void lwax( Register d, Register s2); 2111 inline void lwa( Register d, int si16); 2112 inline void lwbrx(Register d, Register s2); 2113 inline void lhzx( Register d, Register s2); 2114 inline void lhz( Register d, int si16); 2115 inline void lhax( Register d, Register s2); 2116 inline void lha( Register d, int si16); 2117 inline void lhbrx(Register d, Register s2); 2118 inline void lbzx( Register d, Register s2); 2119 inline void lbz( Register d, int si16); 2120 inline void ldx( Register d, Register s2); 2121 inline void ld( Register d, int si16); 2122 inline void stwx( Register d, Register s2); 2123 inline void stw( Register d, int si16); 2124 inline void sthx( Register d, Register s2); 2125 inline void sth( Register d, int si16); 2126 inline void stbx( Register d, Register s2); 2127 inline void stb( Register d, int si16); 2128 inline void stdx( Register d, Register s2); 2129 inline void std( Register d, int si16); 2130 2131 // PPC 2, section 3.2.1 Instruction Cache Instructions 2132 inline void icbi( Register s2); 2133 // PPC 2, section 3.2.2 Data Cache Instructions 2134 //inlinevoid dcba( Register s2); // Instruction for embedded processor only. 2135 inline void dcbz( Register s2); 2136 inline void dcbst( Register s2); 2137 inline void dcbf( Register s2); 2138 // dcache read hint 2139 inline void dcbt( Register s2); 2140 inline void dcbtct( Register s2, int ct); 2141 inline void dcbtds( Register s2, int ds); 2142 // dcache write hint 2143 inline void dcbtst( Register s2); 2144 inline void dcbtstct(Register s2, int ct); 2145 2146 // Atomics: use ra0mem to disallow R0 as base. 2147 inline void lwarx_unchecked(Register d, Register b, int eh1); 2148 inline void ldarx_unchecked(Register d, Register b, int eh1); 2149 inline void lqarx_unchecked(Register d, Register b, int eh1); 2150 inline void lwarx( Register d, Register b, bool hint_exclusive_access); 2151 inline void ldarx( Register d, Register b, bool hint_exclusive_access); 2152 inline void lqarx( Register d, Register b, bool hint_exclusive_access); 2153 inline void stwcx_(Register s, Register b); 2154 inline void stdcx_(Register s, Register b); 2155 inline void stqcx_(Register s, Register b); 2156 inline void lfs( FloatRegister d, int si16); 2157 inline void lfsx( FloatRegister d, Register b); 2158 inline void lfd( FloatRegister d, int si16); 2159 inline void lfdx( FloatRegister d, Register b); 2160 inline void stfs( FloatRegister s, int si16); 2161 inline void stfsx( FloatRegister s, Register b); 2162 inline void stfd( FloatRegister s, int si16); 2163 inline void stfdx( FloatRegister s, Register b); 2164 inline void lvebx( VectorRegister d, Register s2); 2165 inline void lvehx( VectorRegister d, Register s2); 2166 inline void lvewx( VectorRegister d, Register s2); 2167 inline void lvx( VectorRegister d, Register s2); 2168 inline void lvxl( VectorRegister d, Register s2); 2169 inline void stvebx(VectorRegister d, Register s2); 2170 inline void stvehx(VectorRegister d, Register s2); 2171 inline void stvewx(VectorRegister d, Register s2); 2172 inline void stvx( VectorRegister d, Register s2); 2173 inline void stvxl( VectorRegister d, Register s2); 2174 inline void lvsl( VectorRegister d, Register s2); 2175 inline void lvsr( VectorRegister d, Register s2); 2176 2177 // RegisterOrConstant versions. 2178 // These emitters choose between the versions using two registers and 2179 // those with register and immediate, depending on the content of roc. 2180 // If the constant is not encodable as immediate, instructions to 2181 // load the constant are emitted beforehand. Store instructions need a 2182 // tmp reg if the constant is not encodable as immediate. 2183 // Size unpredictable. 2184 void ld( Register d, RegisterOrConstant roc, Register s1 = noreg); 2185 void lwa( Register d, RegisterOrConstant roc, Register s1 = noreg); 2186 void lwz( Register d, RegisterOrConstant roc, Register s1 = noreg); 2187 void lha( Register d, RegisterOrConstant roc, Register s1 = noreg); 2188 void lhz( Register d, RegisterOrConstant roc, Register s1 = noreg); 2189 void lbz( Register d, RegisterOrConstant roc, Register s1 = noreg); 2190 void std( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg); 2191 void stw( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg); 2192 void sth( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg); 2193 void stb( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg); 2194 void add( Register d, RegisterOrConstant roc, Register s1); 2195 void subf(Register d, RegisterOrConstant roc, Register s1); 2196 void cmpd(ConditionRegister d, RegisterOrConstant roc, Register s1); 2197 2198 2199 // Emit several instructions to load a 64 bit constant. This issues a fixed 2200 // instruction pattern so that the constant can be patched later on. 2201 enum { 2202 load_const_size = 5 * BytesPerInstWord 2203 }; 2204 void load_const(Register d, long a, Register tmp = noreg); 2205 inline void load_const(Register d, void* a, Register tmp = noreg); 2206 inline void load_const(Register d, Label& L, Register tmp = noreg); 2207 inline void load_const(Register d, AddressLiteral& a, Register tmp = noreg); 2208 inline void load_const32(Register d, int i); // load signed int (patchable) 2209 2210 // Load a 64 bit constant, optimized, not identifyable. 2211 // Tmp can be used to increase ILP. Set return_simm16_rest = true to get a 2212 // 16 bit immediate offset. This is useful if the offset can be encoded in 2213 // a succeeding instruction. 2214 int load_const_optimized(Register d, long a, Register tmp = noreg, bool return_simm16_rest = false); 2215 inline int load_const_optimized(Register d, void* a, Register tmp = noreg, bool return_simm16_rest = false) { 2216 return load_const_optimized(d, (long)(unsigned long)a, tmp, return_simm16_rest); 2217 } 2218 2219 // If return_simm16_rest, the return value needs to get added afterwards. 2220 int add_const_optimized(Register d, Register s, long x, Register tmp = R0, bool return_simm16_rest = false); 2221 inline int add_const_optimized(Register d, Register s, void* a, Register tmp = R0, bool return_simm16_rest = false) { 2222 return add_const_optimized(d, s, (long)(unsigned long)a, tmp, return_simm16_rest); 2223 } 2224 2225 // If return_simm16_rest, the return value needs to get added afterwards. 2226 inline int sub_const_optimized(Register d, Register s, long x, Register tmp = R0, bool return_simm16_rest = false) { 2227 return add_const_optimized(d, s, -x, tmp, return_simm16_rest); 2228 } 2229 inline int sub_const_optimized(Register d, Register s, void* a, Register tmp = R0, bool return_simm16_rest = false) { 2230 return sub_const_optimized(d, s, (long)(unsigned long)a, tmp, return_simm16_rest); 2231 } 2232 2233 // Creation 2234 Assembler(CodeBuffer* code) : AbstractAssembler(code) { 2235 #ifdef CHECK_DELAY 2236 delay_state = no_delay; 2237 #endif 2238 } 2239 2240 // Testing 2241 #ifndef PRODUCT 2242 void test_asm(); 2243 #endif 2244 }; 2245 2246 2247 #endif // CPU_PPC_VM_ASSEMBLER_PPC_HPP