1/* 2 * Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved. 3 * Copyright (c) 2012, 2017 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. 34class 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 67class 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 120class 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. 156struct 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 199class 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 STWBRX_OPCODE = (31u << OPCODE_SHIFT | 662u << 1), 380 381 STH_OPCODE = (44u << OPCODE_SHIFT), 382 STHX_OPCODE = (31u << OPCODE_SHIFT | 407u << 1), 383 STHU_OPCODE = (45u << OPCODE_SHIFT), 384 STHBRX_OPCODE = (31u << OPCODE_SHIFT | 918u << 1), 385 386 STB_OPCODE = (38u << OPCODE_SHIFT), 387 STBX_OPCODE = (31u << OPCODE_SHIFT | 215u << 1), 388 STBU_OPCODE = (39u << OPCODE_SHIFT), 389 390 EXTSB_OPCODE = (31u << OPCODE_SHIFT | 954u << 1), 391 EXTSH_OPCODE = (31u << OPCODE_SHIFT | 922u << 1), 392 EXTSW_OPCODE = (31u << OPCODE_SHIFT | 986u << 1), // X-FORM 393 394 // 32 bit opcode encodings 395 396 LWA_OPCODE = (58u << OPCODE_SHIFT | 2u << XO_30_31_SHIFT), // DS-FORM 397 LWAX_OPCODE = (31u << OPCODE_SHIFT | 341u << XO_21_30_SHIFT), // X-FORM 398 399 CNTLZW_OPCODE = (31u << OPCODE_SHIFT | 26u << XO_21_30_SHIFT), // X-FORM 400 401 // 64 bit opcode encodings 402 403 LD_OPCODE = (58u << OPCODE_SHIFT | 0u << XO_30_31_SHIFT), // DS-FORM 404 LDU_OPCODE = (58u << OPCODE_SHIFT | 1u << XO_30_31_SHIFT), // DS-FORM 405 LDX_OPCODE = (31u << OPCODE_SHIFT | 21u << XO_21_30_SHIFT), // X-FORM 406 LDBRX_OPCODE = (31u << OPCODE_SHIFT | 532u << 1), // X-FORM 407 408 STD_OPCODE = (62u << OPCODE_SHIFT | 0u << XO_30_31_SHIFT), // DS-FORM 409 STDU_OPCODE = (62u << OPCODE_SHIFT | 1u << XO_30_31_SHIFT), // DS-FORM 410 STDUX_OPCODE = (31u << OPCODE_SHIFT | 181u << 1), // X-FORM 411 STDX_OPCODE = (31u << OPCODE_SHIFT | 149u << XO_21_30_SHIFT), // X-FORM 412 STDBRX_OPCODE = (31u << OPCODE_SHIFT | 660u << 1), // X-FORM 413 414 RLDICR_OPCODE = (30u << OPCODE_SHIFT | 1u << XO_27_29_SHIFT), // MD-FORM 415 RLDICL_OPCODE = (30u << OPCODE_SHIFT | 0u << XO_27_29_SHIFT), // MD-FORM 416 RLDIC_OPCODE = (30u << OPCODE_SHIFT | 2u << XO_27_29_SHIFT), // MD-FORM 417 RLDIMI_OPCODE = (30u << OPCODE_SHIFT | 3u << XO_27_29_SHIFT), // MD-FORM 418 419 SRADI_OPCODE = (31u << OPCODE_SHIFT | 413u << XO_21_29_SHIFT), // XS-FORM 420 421 SLD_OPCODE = (31u << OPCODE_SHIFT | 27u << 1), // X-FORM 422 SRD_OPCODE = (31u << OPCODE_SHIFT | 539u << 1), // X-FORM 423 SRAD_OPCODE = (31u << OPCODE_SHIFT | 794u << 1), // X-FORM 424 425 MULLD_OPCODE = (31u << OPCODE_SHIFT | 233u << 1), // XO-FORM 426 MULHD_OPCODE = (31u << OPCODE_SHIFT | 73u << 1), // XO-FORM 427 MULHDU_OPCODE = (31u << OPCODE_SHIFT | 9u << 1), // XO-FORM 428 DIVD_OPCODE = (31u << OPCODE_SHIFT | 489u << 1), // XO-FORM 429 430 CNTLZD_OPCODE = (31u << OPCODE_SHIFT | 58u << XO_21_30_SHIFT), // X-FORM 431 NAND_OPCODE = (31u << OPCODE_SHIFT | 476u << XO_21_30_SHIFT), // X-FORM 432 NOR_OPCODE = (31u << OPCODE_SHIFT | 124u << XO_21_30_SHIFT), // X-FORM 433 434 435 // opcodes only used for floating arithmetic 436 FADD_OPCODE = (63u << OPCODE_SHIFT | 21u << 1), 437 FADDS_OPCODE = (59u << OPCODE_SHIFT | 21u << 1), 438 FCMPU_OPCODE = (63u << OPCODE_SHIFT | 00u << 1), 439 FDIV_OPCODE = (63u << OPCODE_SHIFT | 18u << 1), 440 FDIVS_OPCODE = (59u << OPCODE_SHIFT | 18u << 1), 441 FMR_OPCODE = (63u << OPCODE_SHIFT | 72u << 1), 442 // These are special Power6 opcodes, reused for "lfdepx" and "stfdepx" 443 // on Power7. Do not use. 444 // MFFGPR_OPCODE = (31u << OPCODE_SHIFT | 607u << 1), 445 // MFTGPR_OPCODE = (31u << OPCODE_SHIFT | 735u << 1), 446 CMPB_OPCODE = (31u << OPCODE_SHIFT | 508 << 1), 447 POPCNTB_OPCODE = (31u << OPCODE_SHIFT | 122 << 1), 448 POPCNTW_OPCODE = (31u << OPCODE_SHIFT | 378 << 1), 449 POPCNTD_OPCODE = (31u << OPCODE_SHIFT | 506 << 1), 450 FABS_OPCODE = (63u << OPCODE_SHIFT | 264u << 1), 451 FNABS_OPCODE = (63u << OPCODE_SHIFT | 136u << 1), 452 FMUL_OPCODE = (63u << OPCODE_SHIFT | 25u << 1), 453 FMULS_OPCODE = (59u << OPCODE_SHIFT | 25u << 1), 454 FNEG_OPCODE = (63u << OPCODE_SHIFT | 40u << 1), 455 FSUB_OPCODE = (63u << OPCODE_SHIFT | 20u << 1), 456 FSUBS_OPCODE = (59u << OPCODE_SHIFT | 20u << 1), 457 458 // PPC64-internal FPU conversion opcodes 459 FCFID_OPCODE = (63u << OPCODE_SHIFT | 846u << 1), 460 FCFIDS_OPCODE = (59u << OPCODE_SHIFT | 846u << 1), 461 FCTID_OPCODE = (63u << OPCODE_SHIFT | 814u << 1), 462 FCTIDZ_OPCODE = (63u << OPCODE_SHIFT | 815u << 1), 463 FCTIW_OPCODE = (63u << OPCODE_SHIFT | 14u << 1), 464 FCTIWZ_OPCODE = (63u << OPCODE_SHIFT | 15u << 1), 465 FRSP_OPCODE = (63u << OPCODE_SHIFT | 12u << 1), 466 467 // Fused multiply-accumulate instructions. 468 FMADD_OPCODE = (63u << OPCODE_SHIFT | 29u << 1), 469 FMADDS_OPCODE = (59u << OPCODE_SHIFT | 29u << 1), 470 FMSUB_OPCODE = (63u << OPCODE_SHIFT | 28u << 1), 471 FMSUBS_OPCODE = (59u << OPCODE_SHIFT | 28u << 1), 472 FNMADD_OPCODE = (63u << OPCODE_SHIFT | 31u << 1), 473 FNMADDS_OPCODE = (59u << OPCODE_SHIFT | 31u << 1), 474 FNMSUB_OPCODE = (63u << OPCODE_SHIFT | 30u << 1), 475 FNMSUBS_OPCODE = (59u << OPCODE_SHIFT | 30u << 1), 476 477 LFD_OPCODE = (50u << OPCODE_SHIFT | 00u << 1), 478 LFDU_OPCODE = (51u << OPCODE_SHIFT | 00u << 1), 479 LFDX_OPCODE = (31u << OPCODE_SHIFT | 599u << 1), 480 LFS_OPCODE = (48u << OPCODE_SHIFT | 00u << 1), 481 LFSU_OPCODE = (49u << OPCODE_SHIFT | 00u << 1), 482 LFSX_OPCODE = (31u << OPCODE_SHIFT | 535u << 1), 483 484 STFD_OPCODE = (54u << OPCODE_SHIFT | 00u << 1), 485 STFDU_OPCODE = (55u << OPCODE_SHIFT | 00u << 1), 486 STFDX_OPCODE = (31u << OPCODE_SHIFT | 727u << 1), 487 STFS_OPCODE = (52u << OPCODE_SHIFT | 00u << 1), 488 STFSU_OPCODE = (53u << OPCODE_SHIFT | 00u << 1), 489 STFSX_OPCODE = (31u << OPCODE_SHIFT | 663u << 1), 490 491 FSQRT_OPCODE = (63u << OPCODE_SHIFT | 22u << 1), // A-FORM 492 FSQRTS_OPCODE = (59u << OPCODE_SHIFT | 22u << 1), // A-FORM 493 494 // Vector instruction support for >= Power6 495 // Vector Storage Access 496 LVEBX_OPCODE = (31u << OPCODE_SHIFT | 7u << 1), 497 LVEHX_OPCODE = (31u << OPCODE_SHIFT | 39u << 1), 498 LVEWX_OPCODE = (31u << OPCODE_SHIFT | 71u << 1), 499 LVX_OPCODE = (31u << OPCODE_SHIFT | 103u << 1), 500 LVXL_OPCODE = (31u << OPCODE_SHIFT | 359u << 1), 501 STVEBX_OPCODE = (31u << OPCODE_SHIFT | 135u << 1), 502 STVEHX_OPCODE = (31u << OPCODE_SHIFT | 167u << 1), 503 STVEWX_OPCODE = (31u << OPCODE_SHIFT | 199u << 1), 504 STVX_OPCODE = (31u << OPCODE_SHIFT | 231u << 1), 505 STVXL_OPCODE = (31u << OPCODE_SHIFT | 487u << 1), 506 LVSL_OPCODE = (31u << OPCODE_SHIFT | 6u << 1), 507 LVSR_OPCODE = (31u << OPCODE_SHIFT | 38u << 1), 508 509 // Vector-Scalar (VSX) instruction support. 510 LXVD2X_OPCODE = (31u << OPCODE_SHIFT | 844u << 1), 511 STXVD2X_OPCODE = (31u << OPCODE_SHIFT | 972u << 1), 512 MTVSRD_OPCODE = (31u << OPCODE_SHIFT | 179u << 1), 513 MTVSRWZ_OPCODE = (31u << OPCODE_SHIFT | 243u << 1), 514 MFVSRD_OPCODE = (31u << OPCODE_SHIFT | 51u << 1), 515 MTVSRWA_OPCODE = (31u << OPCODE_SHIFT | 211u << 1), 516 MFVSRWZ_OPCODE = (31u << OPCODE_SHIFT | 115u << 1), 517 XXPERMDI_OPCODE= (60u << OPCODE_SHIFT | 10u << 3), 518 XXMRGHW_OPCODE = (60u << OPCODE_SHIFT | 18u << 3), 519 XXMRGLW_OPCODE = (60u << OPCODE_SHIFT | 50u << 3), 520 521 // Vector Permute and Formatting 522 VPKPX_OPCODE = (4u << OPCODE_SHIFT | 782u ), 523 VPKSHSS_OPCODE = (4u << OPCODE_SHIFT | 398u ), 524 VPKSWSS_OPCODE = (4u << OPCODE_SHIFT | 462u ), 525 VPKSHUS_OPCODE = (4u << OPCODE_SHIFT | 270u ), 526 VPKSWUS_OPCODE = (4u << OPCODE_SHIFT | 334u ), 527 VPKUHUM_OPCODE = (4u << OPCODE_SHIFT | 14u ), 528 VPKUWUM_OPCODE = (4u << OPCODE_SHIFT | 78u ), 529 VPKUHUS_OPCODE = (4u << OPCODE_SHIFT | 142u ), 530 VPKUWUS_OPCODE = (4u << OPCODE_SHIFT | 206u ), 531 VUPKHPX_OPCODE = (4u << OPCODE_SHIFT | 846u ), 532 VUPKHSB_OPCODE = (4u << OPCODE_SHIFT | 526u ), 533 VUPKHSH_OPCODE = (4u << OPCODE_SHIFT | 590u ), 534 VUPKLPX_OPCODE = (4u << OPCODE_SHIFT | 974u ), 535 VUPKLSB_OPCODE = (4u << OPCODE_SHIFT | 654u ), 536 VUPKLSH_OPCODE = (4u << OPCODE_SHIFT | 718u ), 537 538 VMRGHB_OPCODE = (4u << OPCODE_SHIFT | 12u ), 539 VMRGHW_OPCODE = (4u << OPCODE_SHIFT | 140u ), 540 VMRGHH_OPCODE = (4u << OPCODE_SHIFT | 76u ), 541 VMRGLB_OPCODE = (4u << OPCODE_SHIFT | 268u ), 542 VMRGLW_OPCODE = (4u << OPCODE_SHIFT | 396u ), 543 VMRGLH_OPCODE = (4u << OPCODE_SHIFT | 332u ), 544 545 VSPLT_OPCODE = (4u << OPCODE_SHIFT | 524u ), 546 VSPLTH_OPCODE = (4u << OPCODE_SHIFT | 588u ), 547 VSPLTW_OPCODE = (4u << OPCODE_SHIFT | 652u ), 548 VSPLTISB_OPCODE= (4u << OPCODE_SHIFT | 780u ), 549 VSPLTISH_OPCODE= (4u << OPCODE_SHIFT | 844u ), 550 VSPLTISW_OPCODE= (4u << OPCODE_SHIFT | 908u ), 551 552 VPERM_OPCODE = (4u << OPCODE_SHIFT | 43u ), 553 VSEL_OPCODE = (4u << OPCODE_SHIFT | 42u ), 554 555 VSL_OPCODE = (4u << OPCODE_SHIFT | 452u ), 556 VSLDOI_OPCODE = (4u << OPCODE_SHIFT | 44u ), 557 VSLO_OPCODE = (4u << OPCODE_SHIFT | 1036u ), 558 VSR_OPCODE = (4u << OPCODE_SHIFT | 708u ), 559 VSRO_OPCODE = (4u << OPCODE_SHIFT | 1100u ), 560 561 // Vector Integer 562 VADDCUW_OPCODE = (4u << OPCODE_SHIFT | 384u ), 563 VADDSHS_OPCODE = (4u << OPCODE_SHIFT | 832u ), 564 VADDSBS_OPCODE = (4u << OPCODE_SHIFT | 768u ), 565 VADDSWS_OPCODE = (4u << OPCODE_SHIFT | 896u ), 566 VADDUBM_OPCODE = (4u << OPCODE_SHIFT | 0u ), 567 VADDUWM_OPCODE = (4u << OPCODE_SHIFT | 128u ), 568 VADDUHM_OPCODE = (4u << OPCODE_SHIFT | 64u ), 569 VADDUDM_OPCODE = (4u << OPCODE_SHIFT | 192u ), 570 VADDUBS_OPCODE = (4u << OPCODE_SHIFT | 512u ), 571 VADDUWS_OPCODE = (4u << OPCODE_SHIFT | 640u ), 572 VADDUHS_OPCODE = (4u << OPCODE_SHIFT | 576u ), 573 VSUBCUW_OPCODE = (4u << OPCODE_SHIFT | 1408u ), 574 VSUBSHS_OPCODE = (4u << OPCODE_SHIFT | 1856u ), 575 VSUBSBS_OPCODE = (4u << OPCODE_SHIFT | 1792u ), 576 VSUBSWS_OPCODE = (4u << OPCODE_SHIFT | 1920u ), 577 VSUBUBM_OPCODE = (4u << OPCODE_SHIFT | 1024u ), 578 VSUBUWM_OPCODE = (4u << OPCODE_SHIFT | 1152u ), 579 VSUBUHM_OPCODE = (4u << OPCODE_SHIFT | 1088u ), 580 VSUBUBS_OPCODE = (4u << OPCODE_SHIFT | 1536u ), 581 VSUBUWS_OPCODE = (4u << OPCODE_SHIFT | 1664u ), 582 VSUBUHS_OPCODE = (4u << OPCODE_SHIFT | 1600u ), 583 584 VMULESB_OPCODE = (4u << OPCODE_SHIFT | 776u ), 585 VMULEUB_OPCODE = (4u << OPCODE_SHIFT | 520u ), 586 VMULESH_OPCODE = (4u << OPCODE_SHIFT | 840u ), 587 VMULEUH_OPCODE = (4u << OPCODE_SHIFT | 584u ), 588 VMULOSB_OPCODE = (4u << OPCODE_SHIFT | 264u ), 589 VMULOUB_OPCODE = (4u << OPCODE_SHIFT | 8u ), 590 VMULOSH_OPCODE = (4u << OPCODE_SHIFT | 328u ), 591 VMULOUH_OPCODE = (4u << OPCODE_SHIFT | 72u ), 592 VMHADDSHS_OPCODE=(4u << OPCODE_SHIFT | 32u ), 593 VMHRADDSHS_OPCODE=(4u << OPCODE_SHIFT | 33u ), 594 VMLADDUHM_OPCODE=(4u << OPCODE_SHIFT | 34u ), 595 VMSUBUHM_OPCODE= (4u << OPCODE_SHIFT | 36u ), 596 VMSUMMBM_OPCODE= (4u << OPCODE_SHIFT | 37u ), 597 VMSUMSHM_OPCODE= (4u << OPCODE_SHIFT | 40u ), 598 VMSUMSHS_OPCODE= (4u << OPCODE_SHIFT | 41u ), 599 VMSUMUHM_OPCODE= (4u << OPCODE_SHIFT | 38u ), 600 VMSUMUHS_OPCODE= (4u << OPCODE_SHIFT | 39u ), 601 602 VSUMSWS_OPCODE = (4u << OPCODE_SHIFT | 1928u ), 603 VSUM2SWS_OPCODE= (4u << OPCODE_SHIFT | 1672u ), 604 VSUM4SBS_OPCODE= (4u << OPCODE_SHIFT | 1800u ), 605 VSUM4UBS_OPCODE= (4u << OPCODE_SHIFT | 1544u ), 606 VSUM4SHS_OPCODE= (4u << OPCODE_SHIFT | 1608u ), 607 608 VAVGSB_OPCODE = (4u << OPCODE_SHIFT | 1282u ), 609 VAVGSW_OPCODE = (4u << OPCODE_SHIFT | 1410u ), 610 VAVGSH_OPCODE = (4u << OPCODE_SHIFT | 1346u ), 611 VAVGUB_OPCODE = (4u << OPCODE_SHIFT | 1026u ), 612 VAVGUW_OPCODE = (4u << OPCODE_SHIFT | 1154u ), 613 VAVGUH_OPCODE = (4u << OPCODE_SHIFT | 1090u ), 614 615 VMAXSB_OPCODE = (4u << OPCODE_SHIFT | 258u ), 616 VMAXSW_OPCODE = (4u << OPCODE_SHIFT | 386u ), 617 VMAXSH_OPCODE = (4u << OPCODE_SHIFT | 322u ), 618 VMAXUB_OPCODE = (4u << OPCODE_SHIFT | 2u ), 619 VMAXUW_OPCODE = (4u << OPCODE_SHIFT | 130u ), 620 VMAXUH_OPCODE = (4u << OPCODE_SHIFT | 66u ), 621 VMINSB_OPCODE = (4u << OPCODE_SHIFT | 770u ), 622 VMINSW_OPCODE = (4u << OPCODE_SHIFT | 898u ), 623 VMINSH_OPCODE = (4u << OPCODE_SHIFT | 834u ), 624 VMINUB_OPCODE = (4u << OPCODE_SHIFT | 514u ), 625 VMINUW_OPCODE = (4u << OPCODE_SHIFT | 642u ), 626 VMINUH_OPCODE = (4u << OPCODE_SHIFT | 578u ), 627 628 VCMPEQUB_OPCODE= (4u << OPCODE_SHIFT | 6u ), 629 VCMPEQUH_OPCODE= (4u << OPCODE_SHIFT | 70u ), 630 VCMPEQUW_OPCODE= (4u << OPCODE_SHIFT | 134u ), 631 VCMPGTSH_OPCODE= (4u << OPCODE_SHIFT | 838u ), 632 VCMPGTSB_OPCODE= (4u << OPCODE_SHIFT | 774u ), 633 VCMPGTSW_OPCODE= (4u << OPCODE_SHIFT | 902u ), 634 VCMPGTUB_OPCODE= (4u << OPCODE_SHIFT | 518u ), 635 VCMPGTUH_OPCODE= (4u << OPCODE_SHIFT | 582u ), 636 VCMPGTUW_OPCODE= (4u << OPCODE_SHIFT | 646u ), 637 638 VAND_OPCODE = (4u << OPCODE_SHIFT | 1028u ), 639 VANDC_OPCODE = (4u << OPCODE_SHIFT | 1092u ), 640 VNOR_OPCODE = (4u << OPCODE_SHIFT | 1284u ), 641 VOR_OPCODE = (4u << OPCODE_SHIFT | 1156u ), 642 VXOR_OPCODE = (4u << OPCODE_SHIFT | 1220u ), 643 VRLD_OPCODE = (4u << OPCODE_SHIFT | 196u ), 644 VRLB_OPCODE = (4u << OPCODE_SHIFT | 4u ), 645 VRLW_OPCODE = (4u << OPCODE_SHIFT | 132u ), 646 VRLH_OPCODE = (4u << OPCODE_SHIFT | 68u ), 647 VSLB_OPCODE = (4u << OPCODE_SHIFT | 260u ), 648 VSKW_OPCODE = (4u << OPCODE_SHIFT | 388u ), 649 VSLH_OPCODE = (4u << OPCODE_SHIFT | 324u ), 650 VSRB_OPCODE = (4u << OPCODE_SHIFT | 516u ), 651 VSRW_OPCODE = (4u << OPCODE_SHIFT | 644u ), 652 VSRH_OPCODE = (4u << OPCODE_SHIFT | 580u ), 653 VSRAB_OPCODE = (4u << OPCODE_SHIFT | 772u ), 654 VSRAW_OPCODE = (4u << OPCODE_SHIFT | 900u ), 655 VSRAH_OPCODE = (4u << OPCODE_SHIFT | 836u ), 656 657 // Vector Floating-Point 658 // not implemented yet 659 660 // Vector Status and Control 661 MTVSCR_OPCODE = (4u << OPCODE_SHIFT | 1604u ), 662 MFVSCR_OPCODE = (4u << OPCODE_SHIFT | 1540u ), 663 664 // AES (introduced with Power 8) 665 VCIPHER_OPCODE = (4u << OPCODE_SHIFT | 1288u), 666 VCIPHERLAST_OPCODE = (4u << OPCODE_SHIFT | 1289u), 667 VNCIPHER_OPCODE = (4u << OPCODE_SHIFT | 1352u), 668 VNCIPHERLAST_OPCODE = (4u << OPCODE_SHIFT | 1353u), 669 VSBOX_OPCODE = (4u << OPCODE_SHIFT | 1480u), 670 671 // SHA (introduced with Power 8) 672 VSHASIGMAD_OPCODE = (4u << OPCODE_SHIFT | 1730u), 673 VSHASIGMAW_OPCODE = (4u << OPCODE_SHIFT | 1666u), 674 675 // Vector Binary Polynomial Multiplication (introduced with Power 8) 676 VPMSUMB_OPCODE = (4u << OPCODE_SHIFT | 1032u), 677 VPMSUMD_OPCODE = (4u << OPCODE_SHIFT | 1224u), 678 VPMSUMH_OPCODE = (4u << OPCODE_SHIFT | 1096u), 679 VPMSUMW_OPCODE = (4u << OPCODE_SHIFT | 1160u), 680 681 // Vector Permute and Xor (introduced with Power 8) 682 VPERMXOR_OPCODE = (4u << OPCODE_SHIFT | 45u), 683 684 // Transactional Memory instructions (introduced with Power 8) 685 TBEGIN_OPCODE = (31u << OPCODE_SHIFT | 654u << 1), 686 TEND_OPCODE = (31u << OPCODE_SHIFT | 686u << 1), 687 TABORT_OPCODE = (31u << OPCODE_SHIFT | 910u << 1), 688 TABORTWC_OPCODE = (31u << OPCODE_SHIFT | 782u << 1), 689 TABORTWCI_OPCODE = (31u << OPCODE_SHIFT | 846u << 1), 690 TABORTDC_OPCODE = (31u << OPCODE_SHIFT | 814u << 1), 691 TABORTDCI_OPCODE = (31u << OPCODE_SHIFT | 878u << 1), 692 TSR_OPCODE = (31u << OPCODE_SHIFT | 750u << 1), 693 TCHECK_OPCODE = (31u << OPCODE_SHIFT | 718u << 1), 694 695 // Icache and dcache related instructions 696 DCBA_OPCODE = (31u << OPCODE_SHIFT | 758u << 1), 697 DCBZ_OPCODE = (31u << OPCODE_SHIFT | 1014u << 1), 698 DCBST_OPCODE = (31u << OPCODE_SHIFT | 54u << 1), 699 DCBF_OPCODE = (31u << OPCODE_SHIFT | 86u << 1), 700 701 DCBT_OPCODE = (31u << OPCODE_SHIFT | 278u << 1), 702 DCBTST_OPCODE = (31u << OPCODE_SHIFT | 246u << 1), 703 ICBI_OPCODE = (31u << OPCODE_SHIFT | 982u << 1), 704 705 // Instruction synchronization 706 ISYNC_OPCODE = (19u << OPCODE_SHIFT | 150u << 1), 707 // Memory barriers 708 SYNC_OPCODE = (31u << OPCODE_SHIFT | 598u << 1), 709 EIEIO_OPCODE = (31u << OPCODE_SHIFT | 854u << 1), 710 711 // Wait instructions for polling. 712 WAIT_OPCODE = (31u << OPCODE_SHIFT | 62u << 1), 713 714 // Trap instructions 715 TDI_OPCODE = (2u << OPCODE_SHIFT), 716 TWI_OPCODE = (3u << OPCODE_SHIFT), 717 TD_OPCODE = (31u << OPCODE_SHIFT | 68u << 1), 718 TW_OPCODE = (31u << OPCODE_SHIFT | 4u << 1), 719 720 // Atomics. 721 LBARX_OPCODE = (31u << OPCODE_SHIFT | 52u << 1), 722 LHARX_OPCODE = (31u << OPCODE_SHIFT | 116u << 1), 723 LWARX_OPCODE = (31u << OPCODE_SHIFT | 20u << 1), 724 LDARX_OPCODE = (31u << OPCODE_SHIFT | 84u << 1), 725 LQARX_OPCODE = (31u << OPCODE_SHIFT | 276u << 1), 726 STBCX_OPCODE = (31u << OPCODE_SHIFT | 694u << 1), 727 STHCX_OPCODE = (31u << OPCODE_SHIFT | 726u << 1), 728 STWCX_OPCODE = (31u << OPCODE_SHIFT | 150u << 1), 729 STDCX_OPCODE = (31u << OPCODE_SHIFT | 214u << 1), 730 STQCX_OPCODE = (31u << OPCODE_SHIFT | 182u << 1) 731 732 }; 733 734 // Trap instructions TO bits 735 enum trap_to_bits { 736 // single bits 737 traptoLessThanSigned = 1 << 4, // 0, left end 738 traptoGreaterThanSigned = 1 << 3, 739 traptoEqual = 1 << 2, 740 traptoLessThanUnsigned = 1 << 1, 741 traptoGreaterThanUnsigned = 1 << 0, // 4, right end 742 743 // compound ones 744 traptoUnconditional = (traptoLessThanSigned | 745 traptoGreaterThanSigned | 746 traptoEqual | 747 traptoLessThanUnsigned | 748 traptoGreaterThanUnsigned) 749 }; 750 751 // Branch hints BH field 752 enum branch_hint_bh { 753 // bclr cases: 754 bhintbhBCLRisReturn = 0, 755 bhintbhBCLRisNotReturnButSame = 1, 756 bhintbhBCLRisNotPredictable = 3, 757 758 // bcctr cases: 759 bhintbhBCCTRisNotReturnButSame = 0, 760 bhintbhBCCTRisNotPredictable = 3 761 }; 762 763 // Branch prediction hints AT field 764 enum branch_hint_at { 765 bhintatNoHint = 0, // at=00 766 bhintatIsNotTaken = 2, // at=10 767 bhintatIsTaken = 3 // at=11 768 }; 769 770 // Branch prediction hints 771 enum branch_hint_concept { 772 // Use the same encoding as branch_hint_at to simply code. 773 bhintNoHint = bhintatNoHint, 774 bhintIsNotTaken = bhintatIsNotTaken, 775 bhintIsTaken = bhintatIsTaken 776 }; 777 778 // Used in BO field of branch instruction. 779 enum branch_condition { 780 bcondCRbiIs0 = 4, // bo=001at 781 bcondCRbiIs1 = 12, // bo=011at 782 bcondAlways = 20 // bo=10100 783 }; 784 785 // Branch condition with combined prediction hints. 786 enum branch_condition_with_hint { 787 bcondCRbiIs0_bhintNoHint = bcondCRbiIs0 | bhintatNoHint, 788 bcondCRbiIs0_bhintIsNotTaken = bcondCRbiIs0 | bhintatIsNotTaken, 789 bcondCRbiIs0_bhintIsTaken = bcondCRbiIs0 | bhintatIsTaken, 790 bcondCRbiIs1_bhintNoHint = bcondCRbiIs1 | bhintatNoHint, 791 bcondCRbiIs1_bhintIsNotTaken = bcondCRbiIs1 | bhintatIsNotTaken, 792 bcondCRbiIs1_bhintIsTaken = bcondCRbiIs1 | bhintatIsTaken, 793 }; 794 795 // Elemental Memory Barriers (>=Power 8) 796 enum Elemental_Membar_mask_bits { 797 StoreStore = 1 << 0, 798 StoreLoad = 1 << 1, 799 LoadStore = 1 << 2, 800 LoadLoad = 1 << 3 801 }; 802 803 // Branch prediction hints. 804 inline static int add_bhint_to_boint(const int bhint, const int boint) { 805 switch (boint) { 806 case bcondCRbiIs0: 807 case bcondCRbiIs1: 808 // branch_hint and branch_hint_at have same encodings 809 assert( (int)bhintNoHint == (int)bhintatNoHint 810 && (int)bhintIsNotTaken == (int)bhintatIsNotTaken 811 && (int)bhintIsTaken == (int)bhintatIsTaken, 812 "wrong encodings"); 813 assert((bhint & 0x03) == bhint, "wrong encodings"); 814 return (boint & ~0x03) | bhint; 815 case bcondAlways: 816 // no branch_hint 817 return boint; 818 default: 819 ShouldNotReachHere(); 820 return 0; 821 } 822 } 823 824 // Extract bcond from boint. 825 inline static int inv_boint_bcond(const int boint) { 826 int r_bcond = boint & ~0x03; 827 assert(r_bcond == bcondCRbiIs0 || 828 r_bcond == bcondCRbiIs1 || 829 r_bcond == bcondAlways, 830 "bad branch condition"); 831 return r_bcond; 832 } 833 834 // Extract bhint from boint. 835 inline static int inv_boint_bhint(const int boint) { 836 int r_bhint = boint & 0x03; 837 assert(r_bhint == bhintatNoHint || 838 r_bhint == bhintatIsNotTaken || 839 r_bhint == bhintatIsTaken, 840 "bad branch hint"); 841 return r_bhint; 842 } 843 844 // Calculate opposite of given bcond. 845 inline static int opposite_bcond(const int bcond) { 846 switch (bcond) { 847 case bcondCRbiIs0: 848 return bcondCRbiIs1; 849 case bcondCRbiIs1: 850 return bcondCRbiIs0; 851 default: 852 ShouldNotReachHere(); 853 return 0; 854 } 855 } 856 857 // Calculate opposite of given bhint. 858 inline static int opposite_bhint(const int bhint) { 859 switch (bhint) { 860 case bhintatNoHint: 861 return bhintatNoHint; 862 case bhintatIsNotTaken: 863 return bhintatIsTaken; 864 case bhintatIsTaken: 865 return bhintatIsNotTaken; 866 default: 867 ShouldNotReachHere(); 868 return 0; 869 } 870 } 871 872 // PPC branch instructions 873 enum ppcops { 874 b_op = 18, 875 bc_op = 16, 876 bcr_op = 19 877 }; 878 879 enum Condition { 880 negative = 0, 881 less = 0, 882 positive = 1, 883 greater = 1, 884 zero = 2, 885 equal = 2, 886 summary_overflow = 3, 887 }; 888 889 public: 890 // Helper functions for groups of instructions 891 892 enum Predict { pt = 1, pn = 0 }; // pt = predict taken 893 894 // Instruction must start at passed address. 895 static int instr_len(unsigned char *instr) { return BytesPerInstWord; } 896 897 // longest instructions 898 static int instr_maxlen() { return BytesPerInstWord; } 899 900 // Test if x is within signed immediate range for nbits. 901 static bool is_simm(int x, unsigned int nbits) { 902 assert(0 < nbits && nbits < 32, "out of bounds"); 903 const int min = -(((int)1) << nbits-1); 904 const int maxplus1 = (((int)1) << nbits-1); 905 return min <= x && x < maxplus1; 906 } 907 908 static bool is_simm(jlong x, unsigned int nbits) { 909 assert(0 < nbits && nbits < 64, "out of bounds"); 910 const jlong min = -(((jlong)1) << nbits-1); 911 const jlong maxplus1 = (((jlong)1) << nbits-1); 912 return min <= x && x < maxplus1; 913 } 914 915 // Test if x is within unsigned immediate range for nbits. 916 static bool is_uimm(int x, unsigned int nbits) { 917 assert(0 < nbits && nbits < 32, "out of bounds"); 918 const unsigned int maxplus1 = (((unsigned int)1) << nbits); 919 return (unsigned int)x < maxplus1; 920 } 921 922 static bool is_uimm(jlong x, unsigned int nbits) { 923 assert(0 < nbits && nbits < 64, "out of bounds"); 924 const julong maxplus1 = (((julong)1) << nbits); 925 return (julong)x < maxplus1; 926 } 927 928 protected: 929 // helpers 930 931 // X is supposed to fit in a field "nbits" wide 932 // and be sign-extended. Check the range. 933 static void assert_signed_range(intptr_t x, int nbits) { 934 assert(nbits == 32 || (-(1 << nbits-1) <= x && x < (1 << nbits-1)), 935 "value out of range"); 936 } 937 938 static void assert_signed_word_disp_range(intptr_t x, int nbits) { 939 assert((x & 3) == 0, "not word aligned"); 940 assert_signed_range(x, nbits + 2); 941 } 942 943 static void assert_unsigned_const(int x, int nbits) { 944 assert(juint(x) < juint(1 << nbits), "unsigned constant out of range"); 945 } 946 947 static int fmask(juint hi_bit, juint lo_bit) { 948 assert(hi_bit >= lo_bit && hi_bit < 32, "bad bits"); 949 return (1 << ( hi_bit-lo_bit + 1 )) - 1; 950 } 951 952 // inverse of u_field 953 static int inv_u_field(int x, int hi_bit, int lo_bit) { 954 juint r = juint(x) >> lo_bit; 955 r &= fmask(hi_bit, lo_bit); 956 return int(r); 957 } 958 959 // signed version: extract from field and sign-extend 960 static int inv_s_field_ppc(int x, int hi_bit, int lo_bit) { 961 x = x << (31-hi_bit); 962 x = x >> (31-hi_bit+lo_bit); 963 return x; 964 } 965 966 static int u_field(int x, int hi_bit, int lo_bit) { 967 assert((x & ~fmask(hi_bit, lo_bit)) == 0, "value out of range"); 968 int r = x << lo_bit; 969 assert(inv_u_field(r, hi_bit, lo_bit) == x, "just checking"); 970 return r; 971 } 972 973 // Same as u_field for signed values 974 static int s_field(int x, int hi_bit, int lo_bit) { 975 int nbits = hi_bit - lo_bit + 1; 976 assert(nbits == 32 || (-(1 << nbits-1) <= x && x < (1 << nbits-1)), 977 "value out of range"); 978 x &= fmask(hi_bit, lo_bit); 979 int r = x << lo_bit; 980 return r; 981 } 982 983 // inv_op for ppc instructions 984 static int inv_op_ppc(int x) { return inv_u_field(x, 31, 26); } 985 986 // Determine target address from li, bd field of branch instruction. 987 static intptr_t inv_li_field(int x) { 988 intptr_t r = inv_s_field_ppc(x, 25, 2); 989 r = (r << 2); 990 return r; 991 } 992 static intptr_t inv_bd_field(int x, intptr_t pos) { 993 intptr_t r = inv_s_field_ppc(x, 15, 2); 994 r = (r << 2) + pos; 995 return r; 996 } 997 998 #define inv_opp_u_field(x, hi_bit, lo_bit) inv_u_field(x, 31-(lo_bit), 31-(hi_bit)) 999 #define inv_opp_s_field(x, hi_bit, lo_bit) inv_s_field_ppc(x, 31-(lo_bit), 31-(hi_bit)) 1000 // Extract instruction fields from instruction words. 1001 public: 1002 static int inv_ra_field(int x) { return inv_opp_u_field(x, 15, 11); } 1003 static int inv_rb_field(int x) { return inv_opp_u_field(x, 20, 16); } 1004 static int inv_rt_field(int x) { return inv_opp_u_field(x, 10, 6); } 1005 static int inv_rta_field(int x) { return inv_opp_u_field(x, 15, 11); } 1006 static int inv_rs_field(int x) { return inv_opp_u_field(x, 10, 6); } 1007 // Ds uses opp_s_field(x, 31, 16), but lowest 2 bits must be 0. 1008 // Inv_ds_field uses range (x, 29, 16) but shifts by 2 to ensure that lowest bits are 0. 1009 static int inv_ds_field(int x) { return inv_opp_s_field(x, 29, 16) << 2; } 1010 static int inv_d1_field(int x) { return inv_opp_s_field(x, 31, 16); } 1011 static int inv_si_field(int x) { return inv_opp_s_field(x, 31, 16); } 1012 static int inv_to_field(int x) { return inv_opp_u_field(x, 10, 6); } 1013 static int inv_lk_field(int x) { return inv_opp_u_field(x, 31, 31); } 1014 static int inv_bo_field(int x) { return inv_opp_u_field(x, 10, 6); } 1015 static int inv_bi_field(int x) { return inv_opp_u_field(x, 15, 11); } 1016 1017 #define opp_u_field(x, hi_bit, lo_bit) u_field(x, 31-(lo_bit), 31-(hi_bit)) 1018 #define opp_s_field(x, hi_bit, lo_bit) s_field(x, 31-(lo_bit), 31-(hi_bit)) 1019 1020 // instruction fields 1021 static int aa( int x) { return opp_u_field(x, 30, 30); } 1022 static int ba( int x) { return opp_u_field(x, 15, 11); } 1023 static int bb( int x) { return opp_u_field(x, 20, 16); } 1024 static int bc( int x) { return opp_u_field(x, 25, 21); } 1025 static int bd( int x) { return opp_s_field(x, 29, 16); } 1026 static int bf( ConditionRegister cr) { return bf(cr->encoding()); } 1027 static int bf( int x) { return opp_u_field(x, 8, 6); } 1028 static int bfa(ConditionRegister cr) { return bfa(cr->encoding()); } 1029 static int bfa( int x) { return opp_u_field(x, 13, 11); } 1030 static int bh( int x) { return opp_u_field(x, 20, 19); } 1031 static int bi( int x) { return opp_u_field(x, 15, 11); } 1032 static int bi0(ConditionRegister cr, Condition c) { return (cr->encoding() << 2) | c; } 1033 static int bo( int x) { return opp_u_field(x, 10, 6); } 1034 static int bt( int x) { return opp_u_field(x, 10, 6); } 1035 static int d1( int x) { return opp_s_field(x, 31, 16); } 1036 static int ds( int x) { assert((x & 0x3) == 0, "unaligned offset"); return opp_s_field(x, 31, 16); } 1037 static int eh( int x) { return opp_u_field(x, 31, 31); } 1038 static int flm( int x) { return opp_u_field(x, 14, 7); } 1039 static int fra( FloatRegister r) { return fra(r->encoding());} 1040 static int frb( FloatRegister r) { return frb(r->encoding());} 1041 static int frc( FloatRegister r) { return frc(r->encoding());} 1042 static int frs( FloatRegister r) { return frs(r->encoding());} 1043 static int frt( FloatRegister r) { return frt(r->encoding());} 1044 static int fra( int x) { return opp_u_field(x, 15, 11); } 1045 static int frb( int x) { return opp_u_field(x, 20, 16); } 1046 static int frc( int x) { return opp_u_field(x, 25, 21); } 1047 static int frs( int x) { return opp_u_field(x, 10, 6); } 1048 static int frt( int x) { return opp_u_field(x, 10, 6); } 1049 static int fxm( int x) { return opp_u_field(x, 19, 12); } 1050 static int l10( int x) { return opp_u_field(x, 10, 10); } 1051 static int l15( int x) { return opp_u_field(x, 15, 15); } 1052 static int l910( int x) { return opp_u_field(x, 10, 9); } 1053 static int e1215( int x) { return opp_u_field(x, 15, 12); } 1054 static int lev( int x) { return opp_u_field(x, 26, 20); } 1055 static int li( int x) { return opp_s_field(x, 29, 6); } 1056 static int lk( int x) { return opp_u_field(x, 31, 31); } 1057 static int mb2125( int x) { return opp_u_field(x, 25, 21); } 1058 static int me2630( int x) { return opp_u_field(x, 30, 26); } 1059 static int mb2126( int x) { return opp_u_field(((x & 0x1f) << 1) | ((x & 0x20) >> 5), 26, 21); } 1060 static int me2126( int x) { return mb2126(x); } 1061 static int nb( int x) { return opp_u_field(x, 20, 16); } 1062 //static int opcd( int x) { return opp_u_field(x, 5, 0); } // is contained in our opcodes 1063 static int oe( int x) { return opp_u_field(x, 21, 21); } 1064 static int ra( Register r) { return ra(r->encoding()); } 1065 static int ra( int x) { return opp_u_field(x, 15, 11); } 1066 static int rb( Register r) { return rb(r->encoding()); } 1067 static int rb( int x) { return opp_u_field(x, 20, 16); } 1068 static int rc( int x) { return opp_u_field(x, 31, 31); } 1069 static int rs( Register r) { return rs(r->encoding()); } 1070 static int rs( int x) { return opp_u_field(x, 10, 6); } 1071 // we don't want to use R0 in memory accesses, because it has value `0' then 1072 static int ra0mem( Register r) { assert(r != R0, "cannot use register R0 in memory access"); return ra(r); } 1073 static int ra0mem( int x) { assert(x != 0, "cannot use register 0 in memory access"); return ra(x); } 1074 1075 // register r is target 1076 static int rt( Register r) { return rs(r); } 1077 static int rt( int x) { return rs(x); } 1078 static int rta( Register r) { return ra(r); } 1079 static int rta0mem( Register r) { rta(r); return ra0mem(r); } 1080 1081 static int sh1620( int x) { return opp_u_field(x, 20, 16); } 1082 static int sh30( int x) { return opp_u_field(x, 30, 30); } 1083 static int sh162030( int x) { return sh1620(x & 0x1f) | sh30((x & 0x20) >> 5); } 1084 static int si( int x) { return opp_s_field(x, 31, 16); } 1085 static int spr( int x) { return opp_u_field(x, 20, 11); } 1086 static int sr( int x) { return opp_u_field(x, 15, 12); } 1087 static int tbr( int x) { return opp_u_field(x, 20, 11); } 1088 static int th( int x) { return opp_u_field(x, 10, 7); } 1089 static int thct( int x) { assert((x&8) == 0, "must be valid cache specification"); return th(x); } 1090 static int thds( int x) { assert((x&8) == 8, "must be valid stream specification"); return th(x); } 1091 static int to( int x) { return opp_u_field(x, 10, 6); } 1092 static int u( int x) { return opp_u_field(x, 19, 16); } 1093 static int ui( int x) { return opp_u_field(x, 31, 16); } 1094 1095 // Support vector instructions for >= Power6. 1096 static int vra( int x) { return opp_u_field(x, 15, 11); } 1097 static int vrb( int x) { return opp_u_field(x, 20, 16); } 1098 static int vrc( int x) { return opp_u_field(x, 25, 21); } 1099 static int vrs( int x) { return opp_u_field(x, 10, 6); } 1100 static int vrt( int x) { return opp_u_field(x, 10, 6); } 1101 1102 static int vra( VectorRegister r) { return vra(r->encoding());} 1103 static int vrb( VectorRegister r) { return vrb(r->encoding());} 1104 static int vrc( VectorRegister r) { return vrc(r->encoding());} 1105 static int vrs( VectorRegister r) { return vrs(r->encoding());} 1106 static int vrt( VectorRegister r) { return vrt(r->encoding());} 1107 1108 // Only used on SHA sigma instructions (VX-form) 1109 static int vst( int x) { return opp_u_field(x, 16, 16); } 1110 static int vsix( int x) { return opp_u_field(x, 20, 17); } 1111 1112 // Support Vector-Scalar (VSX) instructions. 1113 static int vsra( int x) { return opp_u_field(x & 0x1F, 15, 11) | opp_u_field((x & 0x20) >> 5, 29, 29); } 1114 static int vsrb( int x) { return opp_u_field(x & 0x1F, 20, 16) | opp_u_field((x & 0x20) >> 5, 30, 30); } 1115 static int vsrs( int x) { return opp_u_field(x & 0x1F, 10, 6) | opp_u_field((x & 0x20) >> 5, 31, 31); } 1116 static int vsrt( int x) { return vsrs(x); } 1117 static int vsdm( int x) { return opp_u_field(x, 23, 22); } 1118 1119 static int vsra( VectorSRegister r) { return vsra(r->encoding());} 1120 static int vsrb( VectorSRegister r) { return vsrb(r->encoding());} 1121 static int vsrs( VectorSRegister r) { return vsrs(r->encoding());} 1122 static int vsrt( VectorSRegister r) { return vsrt(r->encoding());} 1123 1124 static int vsplt_uim( int x) { return opp_u_field(x, 15, 12); } // for vsplt* instructions 1125 static int vsplti_sim(int x) { return opp_u_field(x, 15, 11); } // for vsplti* instructions 1126 static int vsldoi_shb(int x) { return opp_u_field(x, 25, 22); } // for vsldoi instruction 1127 static int vcmp_rc( int x) { return opp_u_field(x, 21, 21); } // for vcmp* instructions 1128 1129 //static int xo1( int x) { return opp_u_field(x, 29, 21); }// is contained in our opcodes 1130 //static int xo2( int x) { return opp_u_field(x, 30, 21); }// is contained in our opcodes 1131 //static int xo3( int x) { return opp_u_field(x, 30, 22); }// is contained in our opcodes 1132 //static int xo4( int x) { return opp_u_field(x, 30, 26); }// is contained in our opcodes 1133 //static int xo5( int x) { return opp_u_field(x, 29, 27); }// is contained in our opcodes 1134 //static int xo6( int x) { return opp_u_field(x, 30, 27); }// is contained in our opcodes 1135 //static int xo7( int x) { return opp_u_field(x, 31, 30); }// is contained in our opcodes 1136 1137 protected: 1138 // Compute relative address for branch. 1139 static intptr_t disp(intptr_t x, intptr_t off) { 1140 int xx = x - off; 1141 xx = xx >> 2; 1142 return xx; 1143 } 1144 1145 public: 1146 // signed immediate, in low bits, nbits long 1147 static int simm(int x, int nbits) { 1148 assert_signed_range(x, nbits); 1149 return x & ((1 << nbits) - 1); 1150 } 1151 1152 // unsigned immediate, in low bits, nbits long 1153 static int uimm(int x, int nbits) { 1154 assert_unsigned_const(x, nbits); 1155 return x & ((1 << nbits) - 1); 1156 } 1157 1158 static void set_imm(int* instr, short s) { 1159 // imm is always in the lower 16 bits of the instruction, 1160 // so this is endian-neutral. Same for the get_imm below. 1161 uint32_t w = *(uint32_t *)instr; 1162 *instr = (int)((w & ~0x0000FFFF) | (s & 0x0000FFFF)); 1163 } 1164 1165 static int get_imm(address a, int instruction_number) { 1166 return (short)((int *)a)[instruction_number]; 1167 } 1168 1169 static inline int hi16_signed( int x) { return (int)(int16_t)(x >> 16); } 1170 static inline int lo16_unsigned(int x) { return x & 0xffff; } 1171 1172 protected: 1173 1174 // Extract the top 32 bits in a 64 bit word. 1175 static int32_t hi32(int64_t x) { 1176 int32_t r = int32_t((uint64_t)x >> 32); 1177 return r; 1178 } 1179 1180 public: 1181 1182 static inline unsigned int align_addr(unsigned int addr, unsigned int a) { 1183 return ((addr + (a - 1)) & ~(a - 1)); 1184 } 1185 1186 static inline bool is_aligned(unsigned int addr, unsigned int a) { 1187 return (0 == addr % a); 1188 } 1189 1190 void flush() { 1191 AbstractAssembler::flush(); 1192 } 1193 1194 inline void emit_int32(int); // shadows AbstractAssembler::emit_int32 1195 inline void emit_data(int); 1196 inline void emit_data(int, RelocationHolder const&); 1197 inline void emit_data(int, relocInfo::relocType rtype); 1198 1199 // Emit an address. 1200 inline address emit_addr(const address addr = NULL); 1201 1202#if !defined(ABI_ELFv2) 1203 // Emit a function descriptor with the specified entry point, TOC, 1204 // and ENV. If the entry point is NULL, the descriptor will point 1205 // just past the descriptor. 1206 // Use values from friend functions as defaults. 1207 inline address emit_fd(address entry = NULL, 1208 address toc = (address) FunctionDescriptor::friend_toc, 1209 address env = (address) FunctionDescriptor::friend_env); 1210#endif 1211 1212 ///////////////////////////////////////////////////////////////////////////////////// 1213 // PPC instructions 1214 ///////////////////////////////////////////////////////////////////////////////////// 1215 1216 // Memory instructions use r0 as hard coded 0, e.g. to simulate loading 1217 // immediates. The normal instruction encoders enforce that r0 is not 1218 // passed to them. Use either extended mnemonics encoders or the special ra0 1219 // versions. 1220 1221 // Issue an illegal instruction. 1222 inline void illtrap(); 1223 static inline bool is_illtrap(int x); 1224 1225 // PPC 1, section 3.3.8, Fixed-Point Arithmetic Instructions 1226 inline void addi( Register d, Register a, int si16); 1227 inline void addis(Register d, Register a, int si16); 1228 private: 1229 inline void addi_r0ok( Register d, Register a, int si16); 1230 inline void addis_r0ok(Register d, Register a, int si16); 1231 public: 1232 inline void addic_( Register d, Register a, int si16); 1233 inline void subfic( Register d, Register a, int si16); 1234 inline void add( Register d, Register a, Register b); 1235 inline void add_( Register d, Register a, Register b); 1236 inline void subf( Register d, Register a, Register b); // d = b - a "Sub_from", as in ppc spec. 1237 inline void sub( Register d, Register a, Register b); // d = a - b Swap operands of subf for readability. 1238 inline void subf_( Register d, Register a, Register b); 1239 inline void addc( Register d, Register a, Register b); 1240 inline void addc_( Register d, Register a, Register b); 1241 inline void subfc( Register d, Register a, Register b); 1242 inline void subfc_( Register d, Register a, Register b); 1243 inline void adde( Register d, Register a, Register b); 1244 inline void adde_( Register d, Register a, Register b); 1245 inline void subfe( Register d, Register a, Register b); 1246 inline void subfe_( Register d, Register a, Register b); 1247 inline void addme( Register d, Register a); 1248 inline void addme_( Register d, Register a); 1249 inline void subfme( Register d, Register a); 1250 inline void subfme_(Register d, Register a); 1251 inline void addze( Register d, Register a); 1252 inline void addze_( Register d, Register a); 1253 inline void subfze( Register d, Register a); 1254 inline void subfze_(Register d, Register a); 1255 inline void neg( Register d, Register a); 1256 inline void neg_( Register d, Register a); 1257 inline void mulli( Register d, Register a, int si16); 1258 inline void mulld( Register d, Register a, Register b); 1259 inline void mulld_( Register d, Register a, Register b); 1260 inline void mullw( Register d, Register a, Register b); 1261 inline void mullw_( Register d, Register a, Register b); 1262 inline void mulhw( Register d, Register a, Register b); 1263 inline void mulhw_( Register d, Register a, Register b); 1264 inline void mulhwu( Register d, Register a, Register b); 1265 inline void mulhwu_(Register d, Register a, Register b); 1266 inline void mulhd( Register d, Register a, Register b); 1267 inline void mulhd_( Register d, Register a, Register b); 1268 inline void mulhdu( Register d, Register a, Register b); 1269 inline void mulhdu_(Register d, Register a, Register b); 1270 inline void divd( Register d, Register a, Register b); 1271 inline void divd_( Register d, Register a, Register b); 1272 inline void divw( Register d, Register a, Register b); 1273 inline void divw_( Register d, Register a, Register b); 1274 1275 // Fixed-Point Arithmetic Instructions with Overflow detection 1276 inline void addo( Register d, Register a, Register b); 1277 inline void addo_( Register d, Register a, Register b); 1278 inline void subfo( Register d, Register a, Register b); 1279 inline void subfo_( Register d, Register a, Register b); 1280 inline void addco( Register d, Register a, Register b); 1281 inline void addco_( Register d, Register a, Register b); 1282 inline void subfco( Register d, Register a, Register b); 1283 inline void subfco_( Register d, Register a, Register b); 1284 inline void addeo( Register d, Register a, Register b); 1285 inline void addeo_( Register d, Register a, Register b); 1286 inline void subfeo( Register d, Register a, Register b); 1287 inline void subfeo_( Register d, Register a, Register b); 1288 inline void addmeo( Register d, Register a); 1289 inline void addmeo_( Register d, Register a); 1290 inline void subfmeo( Register d, Register a); 1291 inline void subfmeo_(Register d, Register a); 1292 inline void addzeo( Register d, Register a); 1293 inline void addzeo_( Register d, Register a); 1294 inline void subfzeo( Register d, Register a); 1295 inline void subfzeo_(Register d, Register a); 1296 inline void nego( Register d, Register a); 1297 inline void nego_( Register d, Register a); 1298 inline void mulldo( Register d, Register a, Register b); 1299 inline void mulldo_( Register d, Register a, Register b); 1300 inline void mullwo( Register d, Register a, Register b); 1301 inline void mullwo_( Register d, Register a, Register b); 1302 inline void divdo( Register d, Register a, Register b); 1303 inline void divdo_( Register d, Register a, Register b); 1304 inline void divwo( Register d, Register a, Register b); 1305 inline void divwo_( Register d, Register a, Register b); 1306 1307 // extended mnemonics 1308 inline void li( Register d, int si16); 1309 inline void lis( Register d, int si16); 1310 inline void addir(Register d, int si16, Register a); 1311 1312 static bool is_addi(int x) { 1313 return ADDI_OPCODE == (x & ADDI_OPCODE_MASK); 1314 } 1315 static bool is_addis(int x) { 1316 return ADDIS_OPCODE == (x & ADDIS_OPCODE_MASK); 1317 } 1318 static bool is_bxx(int x) { 1319 return BXX_OPCODE == (x & BXX_OPCODE_MASK); 1320 } 1321 static bool is_b(int x) { 1322 return BXX_OPCODE == (x & BXX_OPCODE_MASK) && inv_lk_field(x) == 0; 1323 } 1324 static bool is_bl(int x) { 1325 return BXX_OPCODE == (x & BXX_OPCODE_MASK) && inv_lk_field(x) == 1; 1326 } 1327 static bool is_bcxx(int x) { 1328 return BCXX_OPCODE == (x & BCXX_OPCODE_MASK); 1329 } 1330 static bool is_bxx_or_bcxx(int x) { 1331 return is_bxx(x) || is_bcxx(x); 1332 } 1333 static bool is_bctrl(int x) { 1334 return x == 0x4e800421; 1335 } 1336 static bool is_bctr(int x) { 1337 return x == 0x4e800420; 1338 } 1339 static bool is_bclr(int x) { 1340 return BCLR_OPCODE == (x & XL_FORM_OPCODE_MASK); 1341 } 1342 static bool is_li(int x) { 1343 return is_addi(x) && inv_ra_field(x)==0; 1344 } 1345 static bool is_lis(int x) { 1346 return is_addis(x) && inv_ra_field(x)==0; 1347 } 1348 static bool is_mtctr(int x) { 1349 return MTCTR_OPCODE == (x & MTCTR_OPCODE_MASK); 1350 } 1351 static bool is_ld(int x) { 1352 return LD_OPCODE == (x & LD_OPCODE_MASK); 1353 } 1354 static bool is_std(int x) { 1355 return STD_OPCODE == (x & STD_OPCODE_MASK); 1356 } 1357 static bool is_stdu(int x) { 1358 return STDU_OPCODE == (x & STDU_OPCODE_MASK); 1359 } 1360 static bool is_stdx(int x) { 1361 return STDX_OPCODE == (x & STDX_OPCODE_MASK); 1362 } 1363 static bool is_stdux(int x) { 1364 return STDUX_OPCODE == (x & STDUX_OPCODE_MASK); 1365 } 1366 static bool is_stwx(int x) { 1367 return STWX_OPCODE == (x & STWX_OPCODE_MASK); 1368 } 1369 static bool is_stwux(int x) { 1370 return STWUX_OPCODE == (x & STWUX_OPCODE_MASK); 1371 } 1372 static bool is_stw(int x) { 1373 return STW_OPCODE == (x & STW_OPCODE_MASK); 1374 } 1375 static bool is_stwu(int x) { 1376 return STWU_OPCODE == (x & STWU_OPCODE_MASK); 1377 } 1378 static bool is_ori(int x) { 1379 return ORI_OPCODE == (x & ORI_OPCODE_MASK); 1380 }; 1381 static bool is_oris(int x) { 1382 return ORIS_OPCODE == (x & ORIS_OPCODE_MASK); 1383 }; 1384 static bool is_rldicr(int x) { 1385 return (RLDICR_OPCODE == (x & RLDICR_OPCODE_MASK)); 1386 }; 1387 static bool is_nop(int x) { 1388 return x == 0x60000000; 1389 } 1390 // endgroup opcode for Power6 1391 static bool is_endgroup(int x) { 1392 return is_ori(x) && inv_ra_field(x) == 1 && inv_rs_field(x) == 1 && inv_d1_field(x) == 0; 1393 } 1394 1395 1396 private: 1397 // PPC 1, section 3.3.9, Fixed-Point Compare Instructions 1398 inline void cmpi( ConditionRegister bf, int l, Register a, int si16); 1399 inline void cmp( ConditionRegister bf, int l, Register a, Register b); 1400 inline void cmpli(ConditionRegister bf, int l, Register a, int ui16); 1401 inline void cmpl( ConditionRegister bf, int l, Register a, Register b); 1402 1403 public: 1404 // extended mnemonics of Compare Instructions 1405 inline void cmpwi( ConditionRegister crx, Register a, int si16); 1406 inline void cmpdi( ConditionRegister crx, Register a, int si16); 1407 inline void cmpw( ConditionRegister crx, Register a, Register b); 1408 inline void cmpd( ConditionRegister crx, Register a, Register b); 1409 inline void cmplwi(ConditionRegister crx, Register a, int ui16); 1410 inline void cmpldi(ConditionRegister crx, Register a, int ui16); 1411 inline void cmplw( ConditionRegister crx, Register a, Register b); 1412 inline void cmpld( ConditionRegister crx, Register a, Register b); 1413 1414 inline void isel( Register d, Register a, Register b, int bc); 1415 // Convenient version which takes: Condition register, Condition code and invert flag. Omit b to keep old value. 1416 inline void isel( Register d, ConditionRegister cr, Condition cc, bool inv, Register a, Register b = noreg); 1417 // Set d = 0 if (cr.cc) equals 1, otherwise b. 1418 inline void isel_0( Register d, ConditionRegister cr, Condition cc, Register b = noreg); 1419 1420 // PPC 1, section 3.3.11, Fixed-Point Logical Instructions 1421 void andi( Register a, Register s, long ui16); // optimized version 1422 inline void andi_( Register a, Register s, int ui16); 1423 inline void andis_( Register a, Register s, int ui16); 1424 inline void ori( Register a, Register s, int ui16); 1425 inline void oris( Register a, Register s, int ui16); 1426 inline void xori( Register a, Register s, int ui16); 1427 inline void xoris( Register a, Register s, int ui16); 1428 inline void andr( Register a, Register s, Register b); // suffixed by 'r' as 'and' is C++ keyword 1429 inline void and_( Register a, Register s, Register b); 1430 // Turn or0(rx,rx,rx) into a nop and avoid that we accidently emit a 1431 // SMT-priority change instruction (see SMT instructions below). 1432 inline void or_unchecked(Register a, Register s, Register b); 1433 inline void orr( Register a, Register s, Register b); // suffixed by 'r' as 'or' is C++ keyword 1434 inline void or_( Register a, Register s, Register b); 1435 inline void xorr( Register a, Register s, Register b); // suffixed by 'r' as 'xor' is C++ keyword 1436 inline void xor_( Register a, Register s, Register b); 1437 inline void nand( Register a, Register s, Register b); 1438 inline void nand_( Register a, Register s, Register b); 1439 inline void nor( Register a, Register s, Register b); 1440 inline void nor_( Register a, Register s, Register b); 1441 inline void andc( Register a, Register s, Register b); 1442 inline void andc_( Register a, Register s, Register b); 1443 inline void orc( Register a, Register s, Register b); 1444 inline void orc_( Register a, Register s, Register b); 1445 inline void extsb( Register a, Register s); 1446 inline void extsb_( Register a, Register s); 1447 inline void extsh( Register a, Register s); 1448 inline void extsh_( Register a, Register s); 1449 inline void extsw( Register a, Register s); 1450 inline void extsw_( Register a, Register s); 1451 1452 // extended mnemonics 1453 inline void nop(); 1454 // NOP for FP and BR units (different versions to allow them to be in one group) 1455 inline void fpnop0(); 1456 inline void fpnop1(); 1457 inline void brnop0(); 1458 inline void brnop1(); 1459 inline void brnop2(); 1460 1461 inline void mr( Register d, Register s); 1462 inline void ori_opt( Register d, int ui16); 1463 inline void oris_opt(Register d, int ui16); 1464 1465 // endgroup opcode for Power6 1466 inline void endgroup(); 1467 1468 // count instructions 1469 inline void cntlzw( Register a, Register s); 1470 inline void cntlzw_( Register a, Register s); 1471 inline void cntlzd( Register a, Register s); 1472 inline void cntlzd_( Register a, Register s); 1473 1474 // PPC 1, section 3.3.12, Fixed-Point Rotate and Shift Instructions 1475 inline void sld( Register a, Register s, Register b); 1476 inline void sld_( Register a, Register s, Register b); 1477 inline void slw( Register a, Register s, Register b); 1478 inline void slw_( Register a, Register s, Register b); 1479 inline void srd( Register a, Register s, Register b); 1480 inline void srd_( Register a, Register s, Register b); 1481 inline void srw( Register a, Register s, Register b); 1482 inline void srw_( Register a, Register s, Register b); 1483 inline void srad( Register a, Register s, Register b); 1484 inline void srad_( Register a, Register s, Register b); 1485 inline void sraw( Register a, Register s, Register b); 1486 inline void sraw_( Register a, Register s, Register b); 1487 inline void sradi( Register a, Register s, int sh6); 1488 inline void sradi_( Register a, Register s, int sh6); 1489 inline void srawi( Register a, Register s, int sh5); 1490 inline void srawi_( Register a, Register s, int sh5); 1491 1492 // extended mnemonics for Shift Instructions 1493 inline void sldi( Register a, Register s, int sh6); 1494 inline void sldi_( Register a, Register s, int sh6); 1495 inline void slwi( Register a, Register s, int sh5); 1496 inline void slwi_( Register a, Register s, int sh5); 1497 inline void srdi( Register a, Register s, int sh6); 1498 inline void srdi_( Register a, Register s, int sh6); 1499 inline void srwi( Register a, Register s, int sh5); 1500 inline void srwi_( Register a, Register s, int sh5); 1501 1502 inline void clrrdi( Register a, Register s, int ui6); 1503 inline void clrrdi_( Register a, Register s, int ui6); 1504 inline void clrldi( Register a, Register s, int ui6); 1505 inline void clrldi_( Register a, Register s, int ui6); 1506 inline void clrlsldi(Register a, Register s, int clrl6, int shl6); 1507 inline void clrlsldi_(Register a, Register s, int clrl6, int shl6); 1508 inline void extrdi( Register a, Register s, int n, int b); 1509 // testbit with condition register 1510 inline void testbitdi(ConditionRegister cr, Register a, Register s, int ui6); 1511 1512 // rotate instructions 1513 inline void rotldi( Register a, Register s, int n); 1514 inline void rotrdi( Register a, Register s, int n); 1515 inline void rotlwi( Register a, Register s, int n); 1516 inline void rotrwi( Register a, Register s, int n); 1517 1518 // Rotate Instructions 1519 inline void rldic( Register a, Register s, int sh6, int mb6); 1520 inline void rldic_( Register a, Register s, int sh6, int mb6); 1521 inline void rldicr( Register a, Register s, int sh6, int mb6); 1522 inline void rldicr_( Register a, Register s, int sh6, int mb6); 1523 inline void rldicl( Register a, Register s, int sh6, int mb6); 1524 inline void rldicl_( Register a, Register s, int sh6, int mb6); 1525 inline void rlwinm( Register a, Register s, int sh5, int mb5, int me5); 1526 inline void rlwinm_( Register a, Register s, int sh5, int mb5, int me5); 1527 inline void rldimi( Register a, Register s, int sh6, int mb6); 1528 inline void rldimi_( Register a, Register s, int sh6, int mb6); 1529 inline void rlwimi( Register a, Register s, int sh5, int mb5, int me5); 1530 inline void insrdi( Register a, Register s, int n, int b); 1531 inline void insrwi( Register a, Register s, int n, int b); 1532 1533 // PPC 1, section 3.3.2 Fixed-Point Load Instructions 1534 // 4 bytes 1535 inline void lwzx( Register d, Register s1, Register s2); 1536 inline void lwz( Register d, int si16, Register s1); 1537 inline void lwzu( Register d, int si16, Register s1); 1538 1539 // 4 bytes 1540 inline void lwax( Register d, Register s1, Register s2); 1541 inline void lwa( Register d, int si16, Register s1); 1542 1543 // 4 bytes reversed 1544 inline void lwbrx( Register d, Register s1, Register s2); 1545 1546 // 2 bytes 1547 inline void lhzx( Register d, Register s1, Register s2); 1548 inline void lhz( Register d, int si16, Register s1); 1549 inline void lhzu( Register d, int si16, Register s1); 1550 1551 // 2 bytes reversed 1552 inline void lhbrx( Register d, Register s1, Register s2); 1553 1554 // 2 bytes 1555 inline void lhax( Register d, Register s1, Register s2); 1556 inline void lha( Register d, int si16, Register s1); 1557 inline void lhau( Register d, int si16, Register s1); 1558 1559 // 1 byte 1560 inline void lbzx( Register d, Register s1, Register s2); 1561 inline void lbz( Register d, int si16, Register s1); 1562 inline void lbzu( Register d, int si16, Register s1); 1563 1564 // 8 bytes 1565 inline void ldx( Register d, Register s1, Register s2); 1566 inline void ld( Register d, int si16, Register s1); 1567 inline void ldu( Register d, int si16, Register s1); 1568 1569 // 8 bytes reversed 1570 inline void ldbrx( Register d, Register s1, Register s2); 1571 1572 // For convenience. Load pointer into d from b+s1. 1573 inline void ld_ptr(Register d, int b, Register s1); 1574 DEBUG_ONLY(inline void ld_ptr(Register d, ByteSize b, Register s1);) 1575 1576 // PPC 1, section 3.3.3 Fixed-Point Store Instructions 1577 inline void stwx( Register d, Register s1, Register s2); 1578 inline void stw( Register d, int si16, Register s1); 1579 inline void stwu( Register d, int si16, Register s1); 1580 inline void stwbrx( Register d, Register s1, Register s2); 1581 1582 inline void sthx( Register d, Register s1, Register s2); 1583 inline void sth( Register d, int si16, Register s1); 1584 inline void sthu( Register d, int si16, Register s1); 1585 inline void sthbrx( Register d, Register s1, Register s2); 1586 1587 inline void stbx( Register d, Register s1, Register s2); 1588 inline void stb( Register d, int si16, Register s1); 1589 inline void stbu( Register d, int si16, Register s1); 1590 1591 inline void stdx( Register d, Register s1, Register s2); 1592 inline void std( Register d, int si16, Register s1); 1593 inline void stdu( Register d, int si16, Register s1); 1594 inline void stdux(Register s, Register a, Register b); 1595 inline void stdbrx( Register d, Register s1, Register s2); 1596 1597 inline void st_ptr(Register d, int si16, Register s1); 1598 DEBUG_ONLY(inline void st_ptr(Register d, ByteSize b, Register s1);) 1599 1600 // PPC 1, section 3.3.13 Move To/From System Register Instructions 1601 inline void mtlr( Register s1); 1602 inline void mflr( Register d); 1603 inline void mtctr(Register s1); 1604 inline void mfctr(Register d); 1605 inline void mtcrf(int fxm, Register s); 1606 inline void mfcr( Register d); 1607 inline void mcrf( ConditionRegister crd, ConditionRegister cra); 1608 inline void mtcr( Register s); 1609 1610 // Special purpose registers 1611 // Exception Register 1612 inline void mtxer(Register s1); 1613 inline void mfxer(Register d); 1614 // Vector Register Save Register 1615 inline void mtvrsave(Register s1); 1616 inline void mfvrsave(Register d); 1617 // Timebase 1618 inline void mftb(Register d); 1619 // Introduced with Power 8: 1620 // Data Stream Control Register 1621 inline void mtdscr(Register s1); 1622 inline void mfdscr(Register d ); 1623 // Transactional Memory Registers 1624 inline void mftfhar(Register d); 1625 inline void mftfiar(Register d); 1626 inline void mftexasr(Register d); 1627 inline void mftexasru(Register d); 1628 1629 // TEXASR bit description 1630 enum transaction_failure_reason { 1631 // Upper half (TEXASRU): 1632 tm_failure_persistent = 7, // The failure is likely to recur on each execution. 1633 tm_disallowed = 8, // The instruction is not permitted. 1634 tm_nesting_of = 9, // The maximum transaction level was exceeded. 1635 tm_footprint_of = 10, // The tracking limit for transactional storage accesses was exceeded. 1636 tm_self_induced_cf = 11, // A self-induced conflict occurred in Suspended state. 1637 tm_non_trans_cf = 12, // A conflict occurred with a non-transactional access by another processor. 1638 tm_trans_cf = 13, // A conflict occurred with another transaction. 1639 tm_translation_cf = 14, // A conflict occurred with a TLB invalidation. 1640 tm_inst_fetch_cf = 16, // An instruction fetch was performed from a block that was previously written transactionally. 1641 tm_tabort = 31, // Termination was caused by the execution of an abort instruction. 1642 // Lower half: 1643 tm_suspended = 32, // Failure was recorded in Suspended state. 1644 tm_failure_summary = 36, // Failure has been detected and recorded. 1645 tm_tfiar_exact = 37, // Value in the TFIAR is exact. 1646 tm_rot = 38, // Rollback-only transaction. 1647 }; 1648 1649 // PPC 1, section 2.4.1 Branch Instructions 1650 inline void b( address a, relocInfo::relocType rt = relocInfo::none); 1651 inline void b( Label& L); 1652 inline void bl( address a, relocInfo::relocType rt = relocInfo::none); 1653 inline void bl( Label& L); 1654 inline void bc( int boint, int biint, address a, relocInfo::relocType rt = relocInfo::none); 1655 inline void bc( int boint, int biint, Label& L); 1656 inline void bcl(int boint, int biint, address a, relocInfo::relocType rt = relocInfo::none); 1657 inline void bcl(int boint, int biint, Label& L); 1658 1659 inline void bclr( int boint, int biint, int bhint, relocInfo::relocType rt = relocInfo::none); 1660 inline void bclrl( int boint, int biint, int bhint, relocInfo::relocType rt = relocInfo::none); 1661 inline void bcctr( int boint, int biint, int bhint = bhintbhBCCTRisNotReturnButSame, 1662 relocInfo::relocType rt = relocInfo::none); 1663 inline void bcctrl(int boint, int biint, int bhint = bhintbhBCLRisReturn, 1664 relocInfo::relocType rt = relocInfo::none); 1665 1666 // helper function for b, bcxx 1667 inline bool is_within_range_of_b(address a, address pc); 1668 inline bool is_within_range_of_bcxx(address a, address pc); 1669 1670 // get the destination of a bxx branch (b, bl, ba, bla) 1671 static inline address bxx_destination(address baddr); 1672 static inline address bxx_destination(int instr, address pc); 1673 static inline intptr_t bxx_destination_offset(int instr, intptr_t bxx_pos); 1674 1675 // extended mnemonics for branch instructions 1676 inline void blt(ConditionRegister crx, Label& L); 1677 inline void bgt(ConditionRegister crx, Label& L); 1678 inline void beq(ConditionRegister crx, Label& L); 1679 inline void bso(ConditionRegister crx, Label& L); 1680 inline void bge(ConditionRegister crx, Label& L); 1681 inline void ble(ConditionRegister crx, Label& L); 1682 inline void bne(ConditionRegister crx, Label& L); 1683 inline void bns(ConditionRegister crx, Label& L); 1684 1685 // Branch instructions with static prediction hints. 1686 inline void blt_predict_taken( ConditionRegister crx, Label& L); 1687 inline void bgt_predict_taken( ConditionRegister crx, Label& L); 1688 inline void beq_predict_taken( ConditionRegister crx, Label& L); 1689 inline void bso_predict_taken( ConditionRegister crx, Label& L); 1690 inline void bge_predict_taken( ConditionRegister crx, Label& L); 1691 inline void ble_predict_taken( ConditionRegister crx, Label& L); 1692 inline void bne_predict_taken( ConditionRegister crx, Label& L); 1693 inline void bns_predict_taken( ConditionRegister crx, Label& L); 1694 inline void blt_predict_not_taken(ConditionRegister crx, Label& L); 1695 inline void bgt_predict_not_taken(ConditionRegister crx, Label& L); 1696 inline void beq_predict_not_taken(ConditionRegister crx, Label& L); 1697 inline void bso_predict_not_taken(ConditionRegister crx, Label& L); 1698 inline void bge_predict_not_taken(ConditionRegister crx, Label& L); 1699 inline void ble_predict_not_taken(ConditionRegister crx, Label& L); 1700 inline void bne_predict_not_taken(ConditionRegister crx, Label& L); 1701 inline void bns_predict_not_taken(ConditionRegister crx, Label& L); 1702 1703 // for use in conjunction with testbitdi: 1704 inline void btrue( ConditionRegister crx, Label& L); 1705 inline void bfalse(ConditionRegister crx, Label& L); 1706 1707 inline void bltl(ConditionRegister crx, Label& L); 1708 inline void bgtl(ConditionRegister crx, Label& L); 1709 inline void beql(ConditionRegister crx, Label& L); 1710 inline void bsol(ConditionRegister crx, Label& L); 1711 inline void bgel(ConditionRegister crx, Label& L); 1712 inline void blel(ConditionRegister crx, Label& L); 1713 inline void bnel(ConditionRegister crx, Label& L); 1714 inline void bnsl(ConditionRegister crx, Label& L); 1715 1716 // extended mnemonics for Branch Instructions via LR 1717 // We use `blr' for returns. 1718 inline void blr(relocInfo::relocType rt = relocInfo::none); 1719 1720 // extended mnemonics for Branch Instructions with CTR 1721 // bdnz means `decrement CTR and jump to L if CTR is not zero' 1722 inline void bdnz(Label& L); 1723 // Decrement and branch if result is zero. 1724 inline void bdz(Label& L); 1725 // we use `bctr[l]' for jumps/calls in function descriptor glue 1726 // code, e.g. calls to runtime functions 1727 inline void bctr( relocInfo::relocType rt = relocInfo::none); 1728 inline void bctrl(relocInfo::relocType rt = relocInfo::none); 1729 // conditional jumps/branches via CTR 1730 inline void beqctr( ConditionRegister crx, relocInfo::relocType rt = relocInfo::none); 1731 inline void beqctrl(ConditionRegister crx, relocInfo::relocType rt = relocInfo::none); 1732 inline void bnectr( ConditionRegister crx, relocInfo::relocType rt = relocInfo::none); 1733 inline void bnectrl(ConditionRegister crx, relocInfo::relocType rt = relocInfo::none); 1734 1735 // condition register logic instructions 1736 // NOTE: There's a preferred form: d and s2 should point into the same condition register. 1737 inline void crand( int d, int s1, int s2); 1738 inline void crnand(int d, int s1, int s2); 1739 inline void cror( int d, int s1, int s2); 1740 inline void crxor( int d, int s1, int s2); 1741 inline void crnor( int d, int s1, int s2); 1742 inline void creqv( int d, int s1, int s2); 1743 inline void crandc(int d, int s1, int s2); 1744 inline void crorc( int d, int s1, int s2); 1745 1746 // More convenient version. 1747 int condition_register_bit(ConditionRegister cr, Condition c) { 1748 return 4 * (int)(intptr_t)cr + c; 1749 } 1750 void crand( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1751 void crnand(ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1752 void cror( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1753 void crxor( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1754 void crnor( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1755 void creqv( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1756 void crandc(ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1757 void crorc( ConditionRegister crdst, Condition cdst, ConditionRegister crsrc, Condition csrc); 1758 1759 // icache and dcache related instructions 1760 inline void icbi( Register s1, Register s2); 1761 //inline void dcba(Register s1, Register s2); // Instruction for embedded processor only. 1762 inline void dcbz( Register s1, Register s2); 1763 inline void dcbst( Register s1, Register s2); 1764 inline void dcbf( Register s1, Register s2); 1765 1766 enum ct_cache_specification { 1767 ct_primary_cache = 0, 1768 ct_secondary_cache = 2 1769 }; 1770 // dcache read hint 1771 inline void dcbt( Register s1, Register s2); 1772 inline void dcbtct( Register s1, Register s2, int ct); 1773 inline void dcbtds( Register s1, Register s2, int ds); 1774 // dcache write hint 1775 inline void dcbtst( Register s1, Register s2); 1776 inline void dcbtstct(Register s1, Register s2, int ct); 1777 1778 // machine barrier instructions: 1779 // 1780 // - sync two-way memory barrier, aka fence 1781 // - lwsync orders Store|Store, 1782 // Load|Store, 1783 // Load|Load, 1784 // but not Store|Load 1785 // - eieio orders memory accesses for device memory (only) 1786 // - isync invalidates speculatively executed instructions 1787 // From the Power ISA 2.06 documentation: 1788 // "[...] an isync instruction prevents the execution of 1789 // instructions following the isync until instructions 1790 // preceding the isync have completed, [...]" 1791 // From IBM's AIX assembler reference: 1792 // "The isync [...] instructions causes the processor to 1793 // refetch any instructions that might have been fetched 1794 // prior to the isync instruction. The instruction isync 1795 // causes the processor to wait for all previous instructions 1796 // to complete. Then any instructions already fetched are 1797 // discarded and instruction processing continues in the 1798 // environment established by the previous instructions." 1799 // 1800 // semantic barrier instructions: 1801 // (as defined in orderAccess.hpp) 1802 // 1803 // - release orders Store|Store, (maps to lwsync) 1804 // Load|Store 1805 // - acquire orders Load|Store, (maps to lwsync) 1806 // Load|Load 1807 // - fence orders Store|Store, (maps to sync) 1808 // Load|Store, 1809 // Load|Load, 1810 // Store|Load 1811 // 1812 private: 1813 inline void sync(int l); 1814 public: 1815 inline void sync(); 1816 inline void lwsync(); 1817 inline void ptesync(); 1818 inline void eieio(); 1819 inline void isync(); 1820 inline void elemental_membar(int e); // Elemental Memory Barriers (>=Power 8) 1821 1822 // Wait instructions for polling. Attention: May result in SIGILL. 1823 inline void wait(); 1824 inline void waitrsv(); // >=Power7 1825 1826 // atomics 1827 inline void lbarx_unchecked(Register d, Register a, Register b, int eh1 = 0); // >=Power 8 1828 inline void lharx_unchecked(Register d, Register a, Register b, int eh1 = 0); // >=Power 8 1829 inline void lwarx_unchecked(Register d, Register a, Register b, int eh1 = 0); 1830 inline void ldarx_unchecked(Register d, Register a, Register b, int eh1 = 0); 1831 inline void lqarx_unchecked(Register d, Register a, Register b, int eh1 = 0); // >=Power 8 1832 inline bool lxarx_hint_exclusive_access(); 1833 inline void lbarx( Register d, Register a, Register b, bool hint_exclusive_access = false); 1834 inline void lharx( Register d, Register a, Register b, bool hint_exclusive_access = false); 1835 inline void lwarx( Register d, Register a, Register b, bool hint_exclusive_access = false); 1836 inline void ldarx( Register d, Register a, Register b, bool hint_exclusive_access = false); 1837 inline void lqarx( Register d, Register a, Register b, bool hint_exclusive_access = false); 1838 inline void stbcx_( Register s, Register a, Register b); 1839 inline void sthcx_( Register s, Register a, Register b); 1840 inline void stwcx_( Register s, Register a, Register b); 1841 inline void stdcx_( Register s, Register a, Register b); 1842 inline void stqcx_( Register s, Register a, Register b); 1843 1844 // Instructions for adjusting thread priority for simultaneous 1845 // multithreading (SMT) on Power5. 1846 private: 1847 inline void smt_prio_very_low(); 1848 inline void smt_prio_medium_high(); 1849 inline void smt_prio_high(); 1850 1851 public: 1852 inline void smt_prio_low(); 1853 inline void smt_prio_medium_low(); 1854 inline void smt_prio_medium(); 1855 // >= Power7 1856 inline void smt_yield(); 1857 inline void smt_mdoio(); 1858 inline void smt_mdoom(); 1859 // >= Power8 1860 inline void smt_miso(); 1861 1862 // trap instructions 1863 inline void twi_0(Register a); // for load with acquire semantics use load+twi_0+isync (trap can't occur) 1864 // NOT FOR DIRECT USE!! 1865 protected: 1866 inline void tdi_unchecked(int tobits, Register a, int si16); 1867 inline void twi_unchecked(int tobits, Register a, int si16); 1868 inline void tdi( int tobits, Register a, int si16); // asserts UseSIGTRAP 1869 inline void twi( int tobits, Register a, int si16); // asserts UseSIGTRAP 1870 inline void td( int tobits, Register a, Register b); // asserts UseSIGTRAP 1871 inline void tw( int tobits, Register a, Register b); // asserts UseSIGTRAP 1872 1873 static bool is_tdi(int x, int tobits, int ra, int si16) { 1874 return (TDI_OPCODE == (x & TDI_OPCODE_MASK)) 1875 && (tobits == inv_to_field(x)) 1876 && (ra == -1/*any reg*/ || ra == inv_ra_field(x)) 1877 && (si16 == inv_si_field(x)); 1878 } 1879 1880 static bool is_twi(int x, int tobits, int ra, int si16) { 1881 return (TWI_OPCODE == (x & TWI_OPCODE_MASK)) 1882 && (tobits == inv_to_field(x)) 1883 && (ra == -1/*any reg*/ || ra == inv_ra_field(x)) 1884 && (si16 == inv_si_field(x)); 1885 } 1886 1887 static bool is_twi(int x, int tobits, int ra) { 1888 return (TWI_OPCODE == (x & TWI_OPCODE_MASK)) 1889 && (tobits == inv_to_field(x)) 1890 && (ra == -1/*any reg*/ || ra == inv_ra_field(x)); 1891 } 1892 1893 static bool is_td(int x, int tobits, int ra, int rb) { 1894 return (TD_OPCODE == (x & TD_OPCODE_MASK)) 1895 && (tobits == inv_to_field(x)) 1896 && (ra == -1/*any reg*/ || ra == inv_ra_field(x)) 1897 && (rb == -1/*any reg*/ || rb == inv_rb_field(x)); 1898 } 1899 1900 static bool is_tw(int x, int tobits, int ra, int rb) { 1901 return (TW_OPCODE == (x & TW_OPCODE_MASK)) 1902 && (tobits == inv_to_field(x)) 1903 && (ra == -1/*any reg*/ || ra == inv_ra_field(x)) 1904 && (rb == -1/*any reg*/ || rb == inv_rb_field(x)); 1905 } 1906 1907 public: 1908 // PPC floating point instructions 1909 // PPC 1, section 4.6.2 Floating-Point Load Instructions 1910 inline void lfs( FloatRegister d, int si16, Register a); 1911 inline void lfsu( FloatRegister d, int si16, Register a); 1912 inline void lfsx( FloatRegister d, Register a, Register b); 1913 inline void lfd( FloatRegister d, int si16, Register a); 1914 inline void lfdu( FloatRegister d, int si16, Register a); 1915 inline void lfdx( FloatRegister d, Register a, Register b); 1916 1917 // PPC 1, section 4.6.3 Floating-Point Store Instructions 1918 inline void stfs( FloatRegister s, int si16, Register a); 1919 inline void stfsu( FloatRegister s, int si16, Register a); 1920 inline void stfsx( FloatRegister s, Register a, Register b); 1921 inline void stfd( FloatRegister s, int si16, Register a); 1922 inline void stfdu( FloatRegister s, int si16, Register a); 1923 inline void stfdx( FloatRegister s, Register a, Register b); 1924 1925 // PPC 1, section 4.6.4 Floating-Point Move Instructions 1926 inline void fmr( FloatRegister d, FloatRegister b); 1927 inline void fmr_( FloatRegister d, FloatRegister b); 1928 1929 // inline void mffgpr( FloatRegister d, Register b); 1930 // inline void mftgpr( Register d, FloatRegister b); 1931 inline void cmpb( Register a, Register s, Register b); 1932 inline void popcntb(Register a, Register s); 1933 inline void popcntw(Register a, Register s); 1934 inline void popcntd(Register a, Register s); 1935 1936 inline void fneg( FloatRegister d, FloatRegister b); 1937 inline void fneg_( FloatRegister d, FloatRegister b); 1938 inline void fabs( FloatRegister d, FloatRegister b); 1939 inline void fabs_( FloatRegister d, FloatRegister b); 1940 inline void fnabs( FloatRegister d, FloatRegister b); 1941 inline void fnabs_(FloatRegister d, FloatRegister b); 1942 1943 // PPC 1, section 4.6.5.1 Floating-Point Elementary Arithmetic Instructions 1944 inline void fadd( FloatRegister d, FloatRegister a, FloatRegister b); 1945 inline void fadd_( FloatRegister d, FloatRegister a, FloatRegister b); 1946 inline void fadds( FloatRegister d, FloatRegister a, FloatRegister b); 1947 inline void fadds_(FloatRegister d, FloatRegister a, FloatRegister b); 1948 inline void fsub( FloatRegister d, FloatRegister a, FloatRegister b); 1949 inline void fsub_( FloatRegister d, FloatRegister a, FloatRegister b); 1950 inline void fsubs( FloatRegister d, FloatRegister a, FloatRegister b); 1951 inline void fsubs_(FloatRegister d, FloatRegister a, FloatRegister b); 1952 inline void fmul( FloatRegister d, FloatRegister a, FloatRegister c); 1953 inline void fmul_( FloatRegister d, FloatRegister a, FloatRegister c); 1954 inline void fmuls( FloatRegister d, FloatRegister a, FloatRegister c); 1955 inline void fmuls_(FloatRegister d, FloatRegister a, FloatRegister c); 1956 inline void fdiv( FloatRegister d, FloatRegister a, FloatRegister b); 1957 inline void fdiv_( FloatRegister d, FloatRegister a, FloatRegister b); 1958 inline void fdivs( FloatRegister d, FloatRegister a, FloatRegister b); 1959 inline void fdivs_(FloatRegister d, FloatRegister a, FloatRegister b); 1960 1961 // Fused multiply-accumulate instructions. 1962 // WARNING: Use only when rounding between the 2 parts is not desired. 1963 // Some floating point tck tests will fail if used incorrectly. 1964 inline void fmadd( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1965 inline void fmadd_( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1966 inline void fmadds( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1967 inline void fmadds_( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1968 inline void fmsub( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1969 inline void fmsub_( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1970 inline void fmsubs( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1971 inline void fmsubs_( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1972 inline void fnmadd( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1973 inline void fnmadd_( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1974 inline void fnmadds( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1975 inline void fnmadds_(FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1976 inline void fnmsub( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1977 inline void fnmsub_( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1978 inline void fnmsubs( FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1979 inline void fnmsubs_(FloatRegister d, FloatRegister a, FloatRegister c, FloatRegister b); 1980 1981 // PPC 1, section 4.6.6 Floating-Point Rounding and Conversion Instructions 1982 inline void frsp( FloatRegister d, FloatRegister b); 1983 inline void fctid( FloatRegister d, FloatRegister b); 1984 inline void fctidz(FloatRegister d, FloatRegister b); 1985 inline void fctiw( FloatRegister d, FloatRegister b); 1986 inline void fctiwz(FloatRegister d, FloatRegister b); 1987 inline void fcfid( FloatRegister d, FloatRegister b); 1988 inline void fcfids(FloatRegister d, FloatRegister b); 1989 1990 // PPC 1, section 4.6.7 Floating-Point Compare Instructions 1991 inline void fcmpu( ConditionRegister crx, FloatRegister a, FloatRegister b); 1992 1993 inline void fsqrt( FloatRegister d, FloatRegister b); 1994 inline void fsqrts(FloatRegister d, FloatRegister b); 1995 1996 // Vector instructions for >= Power6. 1997 inline void lvebx( VectorRegister d, Register s1, Register s2); 1998 inline void lvehx( VectorRegister d, Register s1, Register s2); 1999 inline void lvewx( VectorRegister d, Register s1, Register s2); 2000 inline void lvx( VectorRegister d, Register s1, Register s2); 2001 inline void lvxl( VectorRegister d, Register s1, Register s2); 2002 inline void stvebx( VectorRegister d, Register s1, Register s2); 2003 inline void stvehx( VectorRegister d, Register s1, Register s2); 2004 inline void stvewx( VectorRegister d, Register s1, Register s2); 2005 inline void stvx( VectorRegister d, Register s1, Register s2); 2006 inline void stvxl( VectorRegister d, Register s1, Register s2); 2007 inline void lvsl( VectorRegister d, Register s1, Register s2); 2008 inline void lvsr( VectorRegister d, Register s1, Register s2); 2009 inline void vpkpx( VectorRegister d, VectorRegister a, VectorRegister b); 2010 inline void vpkshss( VectorRegister d, VectorRegister a, VectorRegister b); 2011 inline void vpkswss( VectorRegister d, VectorRegister a, VectorRegister b); 2012 inline void vpkshus( VectorRegister d, VectorRegister a, VectorRegister b); 2013 inline void vpkswus( VectorRegister d, VectorRegister a, VectorRegister b); 2014 inline void vpkuhum( VectorRegister d, VectorRegister a, VectorRegister b); 2015 inline void vpkuwum( VectorRegister d, VectorRegister a, VectorRegister b); 2016 inline void vpkuhus( VectorRegister d, VectorRegister a, VectorRegister b); 2017 inline void vpkuwus( VectorRegister d, VectorRegister a, VectorRegister b); 2018 inline void vupkhpx( VectorRegister d, VectorRegister b); 2019 inline void vupkhsb( VectorRegister d, VectorRegister b); 2020 inline void vupkhsh( VectorRegister d, VectorRegister b); 2021 inline void vupklpx( VectorRegister d, VectorRegister b); 2022 inline void vupklsb( VectorRegister d, VectorRegister b); 2023 inline void vupklsh( VectorRegister d, VectorRegister b); 2024 inline void vmrghb( VectorRegister d, VectorRegister a, VectorRegister b); 2025 inline void vmrghw( VectorRegister d, VectorRegister a, VectorRegister b); 2026 inline void vmrghh( VectorRegister d, VectorRegister a, VectorRegister b); 2027 inline void vmrglb( VectorRegister d, VectorRegister a, VectorRegister b); 2028 inline void vmrglw( VectorRegister d, VectorRegister a, VectorRegister b); 2029 inline void vmrglh( VectorRegister d, VectorRegister a, VectorRegister b); 2030 inline void vsplt( VectorRegister d, int ui4, VectorRegister b); 2031 inline void vsplth( VectorRegister d, int ui3, VectorRegister b); 2032 inline void vspltw( VectorRegister d, int ui2, VectorRegister b); 2033 inline void vspltisb( VectorRegister d, int si5); 2034 inline void vspltish( VectorRegister d, int si5); 2035 inline void vspltisw( VectorRegister d, int si5); 2036 inline void vperm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2037 inline void vsel( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2038 inline void vsl( VectorRegister d, VectorRegister a, VectorRegister b); 2039 inline void vsldoi( VectorRegister d, VectorRegister a, VectorRegister b, int ui4); 2040 inline void vslo( VectorRegister d, VectorRegister a, VectorRegister b); 2041 inline void vsr( VectorRegister d, VectorRegister a, VectorRegister b); 2042 inline void vsro( VectorRegister d, VectorRegister a, VectorRegister b); 2043 inline void vaddcuw( VectorRegister d, VectorRegister a, VectorRegister b); 2044 inline void vaddshs( VectorRegister d, VectorRegister a, VectorRegister b); 2045 inline void vaddsbs( VectorRegister d, VectorRegister a, VectorRegister b); 2046 inline void vaddsws( VectorRegister d, VectorRegister a, VectorRegister b); 2047 inline void vaddubm( VectorRegister d, VectorRegister a, VectorRegister b); 2048 inline void vadduwm( VectorRegister d, VectorRegister a, VectorRegister b); 2049 inline void vadduhm( VectorRegister d, VectorRegister a, VectorRegister b); 2050 inline void vaddudm( VectorRegister d, VectorRegister a, VectorRegister b); 2051 inline void vaddubs( VectorRegister d, VectorRegister a, VectorRegister b); 2052 inline void vadduws( VectorRegister d, VectorRegister a, VectorRegister b); 2053 inline void vadduhs( VectorRegister d, VectorRegister a, VectorRegister b); 2054 inline void vsubcuw( VectorRegister d, VectorRegister a, VectorRegister b); 2055 inline void vsubshs( VectorRegister d, VectorRegister a, VectorRegister b); 2056 inline void vsubsbs( VectorRegister d, VectorRegister a, VectorRegister b); 2057 inline void vsubsws( VectorRegister d, VectorRegister a, VectorRegister b); 2058 inline void vsububm( VectorRegister d, VectorRegister a, VectorRegister b); 2059 inline void vsubuwm( VectorRegister d, VectorRegister a, VectorRegister b); 2060 inline void vsubuhm( VectorRegister d, VectorRegister a, VectorRegister b); 2061 inline void vsububs( VectorRegister d, VectorRegister a, VectorRegister b); 2062 inline void vsubuws( VectorRegister d, VectorRegister a, VectorRegister b); 2063 inline void vsubuhs( VectorRegister d, VectorRegister a, VectorRegister b); 2064 inline void vmulesb( VectorRegister d, VectorRegister a, VectorRegister b); 2065 inline void vmuleub( VectorRegister d, VectorRegister a, VectorRegister b); 2066 inline void vmulesh( VectorRegister d, VectorRegister a, VectorRegister b); 2067 inline void vmuleuh( VectorRegister d, VectorRegister a, VectorRegister b); 2068 inline void vmulosb( VectorRegister d, VectorRegister a, VectorRegister b); 2069 inline void vmuloub( VectorRegister d, VectorRegister a, VectorRegister b); 2070 inline void vmulosh( VectorRegister d, VectorRegister a, VectorRegister b); 2071 inline void vmulouh( VectorRegister d, VectorRegister a, VectorRegister b); 2072 inline void vmhaddshs(VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2073 inline void vmhraddshs(VectorRegister d,VectorRegister a, VectorRegister b, VectorRegister c); 2074 inline void vmladduhm(VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2075 inline void vmsubuhm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2076 inline void vmsummbm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2077 inline void vmsumshm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2078 inline void vmsumshs( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2079 inline void vmsumuhm( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2080 inline void vmsumuhs( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2081 inline void vsumsws( VectorRegister d, VectorRegister a, VectorRegister b); 2082 inline void vsum2sws( VectorRegister d, VectorRegister a, VectorRegister b); 2083 inline void vsum4sbs( VectorRegister d, VectorRegister a, VectorRegister b); 2084 inline void vsum4ubs( VectorRegister d, VectorRegister a, VectorRegister b); 2085 inline void vsum4shs( VectorRegister d, VectorRegister a, VectorRegister b); 2086 inline void vavgsb( VectorRegister d, VectorRegister a, VectorRegister b); 2087 inline void vavgsw( VectorRegister d, VectorRegister a, VectorRegister b); 2088 inline void vavgsh( VectorRegister d, VectorRegister a, VectorRegister b); 2089 inline void vavgub( VectorRegister d, VectorRegister a, VectorRegister b); 2090 inline void vavguw( VectorRegister d, VectorRegister a, VectorRegister b); 2091 inline void vavguh( VectorRegister d, VectorRegister a, VectorRegister b); 2092 inline void vmaxsb( VectorRegister d, VectorRegister a, VectorRegister b); 2093 inline void vmaxsw( VectorRegister d, VectorRegister a, VectorRegister b); 2094 inline void vmaxsh( VectorRegister d, VectorRegister a, VectorRegister b); 2095 inline void vmaxub( VectorRegister d, VectorRegister a, VectorRegister b); 2096 inline void vmaxuw( VectorRegister d, VectorRegister a, VectorRegister b); 2097 inline void vmaxuh( VectorRegister d, VectorRegister a, VectorRegister b); 2098 inline void vminsb( VectorRegister d, VectorRegister a, VectorRegister b); 2099 inline void vminsw( VectorRegister d, VectorRegister a, VectorRegister b); 2100 inline void vminsh( VectorRegister d, VectorRegister a, VectorRegister b); 2101 inline void vminub( VectorRegister d, VectorRegister a, VectorRegister b); 2102 inline void vminuw( VectorRegister d, VectorRegister a, VectorRegister b); 2103 inline void vminuh( VectorRegister d, VectorRegister a, VectorRegister b); 2104 inline void vcmpequb( VectorRegister d, VectorRegister a, VectorRegister b); 2105 inline void vcmpequh( VectorRegister d, VectorRegister a, VectorRegister b); 2106 inline void vcmpequw( VectorRegister d, VectorRegister a, VectorRegister b); 2107 inline void vcmpgtsh( VectorRegister d, VectorRegister a, VectorRegister b); 2108 inline void vcmpgtsb( VectorRegister d, VectorRegister a, VectorRegister b); 2109 inline void vcmpgtsw( VectorRegister d, VectorRegister a, VectorRegister b); 2110 inline void vcmpgtub( VectorRegister d, VectorRegister a, VectorRegister b); 2111 inline void vcmpgtuh( VectorRegister d, VectorRegister a, VectorRegister b); 2112 inline void vcmpgtuw( VectorRegister d, VectorRegister a, VectorRegister b); 2113 inline void vcmpequb_(VectorRegister d, VectorRegister a, VectorRegister b); 2114 inline void vcmpequh_(VectorRegister d, VectorRegister a, VectorRegister b); 2115 inline void vcmpequw_(VectorRegister d, VectorRegister a, VectorRegister b); 2116 inline void vcmpgtsh_(VectorRegister d, VectorRegister a, VectorRegister b); 2117 inline void vcmpgtsb_(VectorRegister d, VectorRegister a, VectorRegister b); 2118 inline void vcmpgtsw_(VectorRegister d, VectorRegister a, VectorRegister b); 2119 inline void vcmpgtub_(VectorRegister d, VectorRegister a, VectorRegister b); 2120 inline void vcmpgtuh_(VectorRegister d, VectorRegister a, VectorRegister b); 2121 inline void vcmpgtuw_(VectorRegister d, VectorRegister a, VectorRegister b); 2122 inline void vand( VectorRegister d, VectorRegister a, VectorRegister b); 2123 inline void vandc( VectorRegister d, VectorRegister a, VectorRegister b); 2124 inline void vnor( VectorRegister d, VectorRegister a, VectorRegister b); 2125 inline void vor( VectorRegister d, VectorRegister a, VectorRegister b); 2126 inline void vmr( VectorRegister d, VectorRegister a); 2127 inline void vxor( VectorRegister d, VectorRegister a, VectorRegister b); 2128 inline void vrld( VectorRegister d, VectorRegister a, VectorRegister b); 2129 inline void vrlb( VectorRegister d, VectorRegister a, VectorRegister b); 2130 inline void vrlw( VectorRegister d, VectorRegister a, VectorRegister b); 2131 inline void vrlh( VectorRegister d, VectorRegister a, VectorRegister b); 2132 inline void vslb( VectorRegister d, VectorRegister a, VectorRegister b); 2133 inline void vskw( VectorRegister d, VectorRegister a, VectorRegister b); 2134 inline void vslh( VectorRegister d, VectorRegister a, VectorRegister b); 2135 inline void vsrb( VectorRegister d, VectorRegister a, VectorRegister b); 2136 inline void vsrw( VectorRegister d, VectorRegister a, VectorRegister b); 2137 inline void vsrh( VectorRegister d, VectorRegister a, VectorRegister b); 2138 inline void vsrab( VectorRegister d, VectorRegister a, VectorRegister b); 2139 inline void vsraw( VectorRegister d, VectorRegister a, VectorRegister b); 2140 inline void vsrah( VectorRegister d, VectorRegister a, VectorRegister b); 2141 // Vector Floating-Point not implemented yet 2142 inline void mtvscr( VectorRegister b); 2143 inline void mfvscr( VectorRegister d); 2144 2145 // Vector-Scalar (VSX) instructions. 2146 inline void lxvd2x( VectorSRegister d, Register a); 2147 inline void lxvd2x( VectorSRegister d, Register a, Register b); 2148 inline void stxvd2x( VectorSRegister d, Register a); 2149 inline void stxvd2x( VectorSRegister d, Register a, Register b); 2150 inline void mtvrwz( VectorRegister d, Register a); 2151 inline void mfvrwz( Register a, VectorRegister d); 2152 inline void mtvrd( VectorRegister d, Register a); 2153 inline void mfvrd( Register a, VectorRegister d); 2154 inline void xxpermdi( VectorSRegister d, VectorSRegister a, VectorSRegister b, int dm); 2155 inline void xxmrghw( VectorSRegister d, VectorSRegister a, VectorSRegister b); 2156 inline void xxmrglw( VectorSRegister d, VectorSRegister a, VectorSRegister b); 2157 2158 // VSX Extended Mnemonics 2159 inline void xxspltd( VectorSRegister d, VectorSRegister a, int x); 2160 inline void xxmrghd( VectorSRegister d, VectorSRegister a, VectorSRegister b); 2161 inline void xxmrgld( VectorSRegister d, VectorSRegister a, VectorSRegister b); 2162 inline void xxswapd( VectorSRegister d, VectorSRegister a); 2163 2164 // Vector-Scalar (VSX) instructions. 2165 inline void mtfprd( FloatRegister d, Register a); 2166 inline void mtfprwa( FloatRegister d, Register a); 2167 inline void mffprd( Register a, FloatRegister d); 2168 2169 // AES (introduced with Power 8) 2170 inline void vcipher( VectorRegister d, VectorRegister a, VectorRegister b); 2171 inline void vcipherlast( VectorRegister d, VectorRegister a, VectorRegister b); 2172 inline void vncipher( VectorRegister d, VectorRegister a, VectorRegister b); 2173 inline void vncipherlast(VectorRegister d, VectorRegister a, VectorRegister b); 2174 inline void vsbox( VectorRegister d, VectorRegister a); 2175 2176 // SHA (introduced with Power 8) 2177 // Not yet implemented. 2178 2179 // Vector Binary Polynomial Multiplication (introduced with Power 8) 2180 inline void vpmsumb( VectorRegister d, VectorRegister a, VectorRegister b); 2181 inline void vpmsumd( VectorRegister d, VectorRegister a, VectorRegister b); 2182 inline void vpmsumh( VectorRegister d, VectorRegister a, VectorRegister b); 2183 inline void vpmsumw( VectorRegister d, VectorRegister a, VectorRegister b); 2184 2185 // Vector Permute and Xor (introduced with Power 8) 2186 inline void vpermxor( VectorRegister d, VectorRegister a, VectorRegister b, VectorRegister c); 2187 2188 // Transactional Memory instructions (introduced with Power 8) 2189 inline void tbegin_(); // R=0 2190 inline void tbeginrot_(); // R=1 Rollback-Only Transaction 2191 inline void tend_(); // A=0 2192 inline void tendall_(); // A=1 2193 inline void tabort_(); 2194 inline void tabort_(Register a); 2195 inline void tabortwc_(int t, Register a, Register b); 2196 inline void tabortwci_(int t, Register a, int si); 2197 inline void tabortdc_(int t, Register a, Register b); 2198 inline void tabortdci_(int t, Register a, int si); 2199 inline void tsuspend_(); // tsr with L=0 2200 inline void tresume_(); // tsr with L=1 2201 inline void tcheck(int f); 2202 2203 static bool is_tbegin(int x) { 2204 return TBEGIN_OPCODE == (x & (0x3f << OPCODE_SHIFT | 0x3ff << 1)); 2205 } 2206 2207 // The following encoders use r0 as second operand. These instructions 2208 // read r0 as '0'. 2209 inline void lwzx( Register d, Register s2); 2210 inline void lwz( Register d, int si16); 2211 inline void lwax( Register d, Register s2); 2212 inline void lwa( Register d, int si16); 2213 inline void lwbrx(Register d, Register s2); 2214 inline void lhzx( Register d, Register s2); 2215 inline void lhz( Register d, int si16); 2216 inline void lhax( Register d, Register s2); 2217 inline void lha( Register d, int si16); 2218 inline void lhbrx(Register d, Register s2); 2219 inline void lbzx( Register d, Register s2); 2220 inline void lbz( Register d, int si16); 2221 inline void ldx( Register d, Register s2); 2222 inline void ld( Register d, int si16); 2223 inline void ldbrx(Register d, Register s2); 2224 inline void stwx( Register d, Register s2); 2225 inline void stw( Register d, int si16); 2226 inline void stwbrx( Register d, Register s2); 2227 inline void sthx( Register d, Register s2); 2228 inline void sth( Register d, int si16); 2229 inline void sthbrx( Register d, Register s2); 2230 inline void stbx( Register d, Register s2); 2231 inline void stb( Register d, int si16); 2232 inline void stdx( Register d, Register s2); 2233 inline void std( Register d, int si16); 2234 inline void stdbrx( Register d, Register s2); 2235 2236 // PPC 2, section 3.2.1 Instruction Cache Instructions 2237 inline void icbi( Register s2); 2238 // PPC 2, section 3.2.2 Data Cache Instructions 2239 //inlinevoid dcba( Register s2); // Instruction for embedded processor only. 2240 inline void dcbz( Register s2); 2241 inline void dcbst( Register s2); 2242 inline void dcbf( Register s2); 2243 // dcache read hint 2244 inline void dcbt( Register s2); 2245 inline void dcbtct( Register s2, int ct); 2246 inline void dcbtds( Register s2, int ds); 2247 // dcache write hint 2248 inline void dcbtst( Register s2); 2249 inline void dcbtstct(Register s2, int ct); 2250 2251 // Atomics: use ra0mem to disallow R0 as base. 2252 inline void lbarx_unchecked(Register d, Register b, int eh1); 2253 inline void lharx_unchecked(Register d, Register b, int eh1); 2254 inline void lwarx_unchecked(Register d, Register b, int eh1); 2255 inline void ldarx_unchecked(Register d, Register b, int eh1); 2256 inline void lqarx_unchecked(Register d, Register b, int eh1); 2257 inline void lbarx( Register d, Register b, bool hint_exclusive_access); 2258 inline void lharx( Register d, Register b, bool hint_exclusive_access); 2259 inline void lwarx( Register d, Register b, bool hint_exclusive_access); 2260 inline void ldarx( Register d, Register b, bool hint_exclusive_access); 2261 inline void lqarx( Register d, Register b, bool hint_exclusive_access); 2262 inline void stbcx_(Register s, Register b); 2263 inline void sthcx_(Register s, Register b); 2264 inline void stwcx_(Register s, Register b); 2265 inline void stdcx_(Register s, Register b); 2266 inline void stqcx_(Register s, Register b); 2267 inline void lfs( FloatRegister d, int si16); 2268 inline void lfsx( FloatRegister d, Register b); 2269 inline void lfd( FloatRegister d, int si16); 2270 inline void lfdx( FloatRegister d, Register b); 2271 inline void stfs( FloatRegister s, int si16); 2272 inline void stfsx( FloatRegister s, Register b); 2273 inline void stfd( FloatRegister s, int si16); 2274 inline void stfdx( FloatRegister s, Register b); 2275 inline void lvebx( VectorRegister d, Register s2); 2276 inline void lvehx( VectorRegister d, Register s2); 2277 inline void lvewx( VectorRegister d, Register s2); 2278 inline void lvx( VectorRegister d, Register s2); 2279 inline void lvxl( VectorRegister d, Register s2); 2280 inline void stvebx(VectorRegister d, Register s2); 2281 inline void stvehx(VectorRegister d, Register s2); 2282 inline void stvewx(VectorRegister d, Register s2); 2283 inline void stvx( VectorRegister d, Register s2); 2284 inline void stvxl( VectorRegister d, Register s2); 2285 inline void lvsl( VectorRegister d, Register s2); 2286 inline void lvsr( VectorRegister d, Register s2); 2287 2288 // RegisterOrConstant versions. 2289 // These emitters choose between the versions using two registers and 2290 // those with register and immediate, depending on the content of roc. 2291 // If the constant is not encodable as immediate, instructions to 2292 // load the constant are emitted beforehand. Store instructions need a 2293 // tmp reg if the constant is not encodable as immediate. 2294 // Size unpredictable. 2295 void ld( Register d, RegisterOrConstant roc, Register s1 = noreg); 2296 void lwa( Register d, RegisterOrConstant roc, Register s1 = noreg); 2297 void lwz( Register d, RegisterOrConstant roc, Register s1 = noreg); 2298 void lha( Register d, RegisterOrConstant roc, Register s1 = noreg); 2299 void lhz( Register d, RegisterOrConstant roc, Register s1 = noreg); 2300 void lbz( Register d, RegisterOrConstant roc, Register s1 = noreg); 2301 void std( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg); 2302 void stw( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg); 2303 void sth( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg); 2304 void stb( Register d, RegisterOrConstant roc, Register s1 = noreg, Register tmp = noreg); 2305 void add( Register d, RegisterOrConstant roc, Register s1); 2306 void subf(Register d, RegisterOrConstant roc, Register s1); 2307 void cmpd(ConditionRegister d, RegisterOrConstant roc, Register s1); 2308 // Load pointer d from s1+roc. 2309 void ld_ptr(Register d, RegisterOrConstant roc, Register s1 = noreg) { ld(d, roc, s1); } 2310 2311 // Emit several instructions to load a 64 bit constant. This issues a fixed 2312 // instruction pattern so that the constant can be patched later on. 2313 enum { 2314 load_const_size = 5 * BytesPerInstWord 2315 }; 2316 void load_const(Register d, long a, Register tmp = noreg); 2317 inline void load_const(Register d, void* a, Register tmp = noreg); 2318 inline void load_const(Register d, Label& L, Register tmp = noreg); 2319 inline void load_const(Register d, AddressLiteral& a, Register tmp = noreg); 2320 inline void load_const32(Register d, int i); // load signed int (patchable) 2321 2322 // Load a 64 bit constant, optimized, not identifyable. 2323 // Tmp can be used to increase ILP. Set return_simm16_rest = true to get a 2324 // 16 bit immediate offset. This is useful if the offset can be encoded in 2325 // a succeeding instruction. 2326 int load_const_optimized(Register d, long a, Register tmp = noreg, bool return_simm16_rest = false); 2327 inline int load_const_optimized(Register d, void* a, Register tmp = noreg, bool return_simm16_rest = false) { 2328 return load_const_optimized(d, (long)(unsigned long)a, tmp, return_simm16_rest); 2329 } 2330 2331 // If return_simm16_rest, the return value needs to get added afterwards. 2332 int add_const_optimized(Register d, Register s, long x, Register tmp = R0, bool return_simm16_rest = false); 2333 inline int add_const_optimized(Register d, Register s, void* a, Register tmp = R0, bool return_simm16_rest = false) { 2334 return add_const_optimized(d, s, (long)(unsigned long)a, tmp, return_simm16_rest); 2335 } 2336 2337 // If return_simm16_rest, the return value needs to get added afterwards. 2338 inline int sub_const_optimized(Register d, Register s, long x, Register tmp = R0, bool return_simm16_rest = false) { 2339 return add_const_optimized(d, s, -x, tmp, return_simm16_rest); 2340 } 2341 inline int sub_const_optimized(Register d, Register s, void* a, Register tmp = R0, bool return_simm16_rest = false) { 2342 return sub_const_optimized(d, s, (long)(unsigned long)a, tmp, return_simm16_rest); 2343 } 2344 2345 // Creation 2346 Assembler(CodeBuffer* code) : AbstractAssembler(code) { 2347#ifdef CHECK_DELAY 2348 delay_state = no_delay; 2349#endif 2350 } 2351 2352 // Testing 2353#ifndef PRODUCT 2354 void test_asm(); 2355#endif 2356}; 2357 2358 2359#endif // CPU_PPC_VM_ASSEMBLER_PPC_HPP 2360