1 /* 2 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef CPU_X86_VM_ASSEMBLER_X86_HPP 26 #define CPU_X86_VM_ASSEMBLER_X86_HPP 27 28 #include "asm/register.hpp" 29 #include "vm_version_x86.hpp" 30 31 class BiasedLockingCounters; 32 33 // Contains all the definitions needed for x86 assembly code generation. 34 35 // Calling convention 36 class Argument VALUE_OBJ_CLASS_SPEC { 37 public: 38 enum { 39 #ifdef _LP64 40 #ifdef _WIN64 41 n_int_register_parameters_c = 4, // rcx, rdx, r8, r9 (c_rarg0, c_rarg1, ...) 42 n_float_register_parameters_c = 4, // xmm0 - xmm3 (c_farg0, c_farg1, ... ) 43 #else 44 n_int_register_parameters_c = 6, // rdi, rsi, rdx, rcx, r8, r9 (c_rarg0, c_rarg1, ...) 45 n_float_register_parameters_c = 8, // xmm0 - xmm7 (c_farg0, c_farg1, ... ) 46 #endif // _WIN64 47 n_int_register_parameters_j = 6, // j_rarg0, j_rarg1, ... 48 n_float_register_parameters_j = 8 // j_farg0, j_farg1, ... 49 #else 50 n_register_parameters = 0 // 0 registers used to pass arguments 51 #endif // _LP64 52 }; 53 }; 54 55 56 #ifdef _LP64 57 // Symbolically name the register arguments used by the c calling convention. 58 // Windows is different from linux/solaris. So much for standards... 59 60 #ifdef _WIN64 61 62 REGISTER_DECLARATION(Register, c_rarg0, rcx); 63 REGISTER_DECLARATION(Register, c_rarg1, rdx); 64 REGISTER_DECLARATION(Register, c_rarg2, r8); 65 REGISTER_DECLARATION(Register, c_rarg3, r9); 66 67 REGISTER_DECLARATION(XMMRegister, c_farg0, xmm0); 68 REGISTER_DECLARATION(XMMRegister, c_farg1, xmm1); 69 REGISTER_DECLARATION(XMMRegister, c_farg2, xmm2); 70 REGISTER_DECLARATION(XMMRegister, c_farg3, xmm3); 71 72 #else 73 74 REGISTER_DECLARATION(Register, c_rarg0, rdi); 75 REGISTER_DECLARATION(Register, c_rarg1, rsi); 76 REGISTER_DECLARATION(Register, c_rarg2, rdx); 77 REGISTER_DECLARATION(Register, c_rarg3, rcx); 78 REGISTER_DECLARATION(Register, c_rarg4, r8); 79 REGISTER_DECLARATION(Register, c_rarg5, r9); 80 81 REGISTER_DECLARATION(XMMRegister, c_farg0, xmm0); 82 REGISTER_DECLARATION(XMMRegister, c_farg1, xmm1); 83 REGISTER_DECLARATION(XMMRegister, c_farg2, xmm2); 84 REGISTER_DECLARATION(XMMRegister, c_farg3, xmm3); 85 REGISTER_DECLARATION(XMMRegister, c_farg4, xmm4); 86 REGISTER_DECLARATION(XMMRegister, c_farg5, xmm5); 87 REGISTER_DECLARATION(XMMRegister, c_farg6, xmm6); 88 REGISTER_DECLARATION(XMMRegister, c_farg7, xmm7); 89 90 #endif // _WIN64 91 92 // Symbolically name the register arguments used by the Java calling convention. 93 // We have control over the convention for java so we can do what we please. 94 // What pleases us is to offset the java calling convention so that when 95 // we call a suitable jni method the arguments are lined up and we don't 96 // have to do little shuffling. A suitable jni method is non-static and a 97 // small number of arguments (two fewer args on windows) 98 // 99 // |-------------------------------------------------------| 100 // | c_rarg0 c_rarg1 c_rarg2 c_rarg3 c_rarg4 c_rarg5 | 101 // |-------------------------------------------------------| 102 // | rcx rdx r8 r9 rdi* rsi* | windows (* not a c_rarg) 103 // | rdi rsi rdx rcx r8 r9 | solaris/linux 104 // |-------------------------------------------------------| 105 // | j_rarg5 j_rarg0 j_rarg1 j_rarg2 j_rarg3 j_rarg4 | 106 // |-------------------------------------------------------| 107 108 REGISTER_DECLARATION(Register, j_rarg0, c_rarg1); 109 REGISTER_DECLARATION(Register, j_rarg1, c_rarg2); 110 REGISTER_DECLARATION(Register, j_rarg2, c_rarg3); 111 // Windows runs out of register args here 112 #ifdef _WIN64 113 REGISTER_DECLARATION(Register, j_rarg3, rdi); 114 REGISTER_DECLARATION(Register, j_rarg4, rsi); 115 #else 116 REGISTER_DECLARATION(Register, j_rarg3, c_rarg4); 117 REGISTER_DECLARATION(Register, j_rarg4, c_rarg5); 118 #endif /* _WIN64 */ 119 REGISTER_DECLARATION(Register, j_rarg5, c_rarg0); 120 121 REGISTER_DECLARATION(XMMRegister, j_farg0, xmm0); 122 REGISTER_DECLARATION(XMMRegister, j_farg1, xmm1); 123 REGISTER_DECLARATION(XMMRegister, j_farg2, xmm2); 124 REGISTER_DECLARATION(XMMRegister, j_farg3, xmm3); 125 REGISTER_DECLARATION(XMMRegister, j_farg4, xmm4); 126 REGISTER_DECLARATION(XMMRegister, j_farg5, xmm5); 127 REGISTER_DECLARATION(XMMRegister, j_farg6, xmm6); 128 REGISTER_DECLARATION(XMMRegister, j_farg7, xmm7); 129 130 REGISTER_DECLARATION(Register, rscratch1, r10); // volatile 131 REGISTER_DECLARATION(Register, rscratch2, r11); // volatile 132 133 REGISTER_DECLARATION(Register, r12_heapbase, r12); // callee-saved 134 REGISTER_DECLARATION(Register, r15_thread, r15); // callee-saved 135 136 #else 137 // rscratch1 will apear in 32bit code that is dead but of course must compile 138 // Using noreg ensures if the dead code is incorrectly live and executed it 139 // will cause an assertion failure 140 #define rscratch1 noreg 141 #define rscratch2 noreg 142 143 #endif // _LP64 144 145 // JSR 292 146 // On x86, the SP does not have to be saved when invoking method handle intrinsics 147 // or compiled lambda forms. We indicate that by setting rbp_mh_SP_save to noreg. 148 REGISTER_DECLARATION(Register, rbp_mh_SP_save, noreg); 149 150 // Address is an abstraction used to represent a memory location 151 // using any of the amd64 addressing modes with one object. 152 // 153 // Note: A register location is represented via a Register, not 154 // via an address for efficiency & simplicity reasons. 155 156 class ArrayAddress; 157 158 class Address VALUE_OBJ_CLASS_SPEC { 159 public: 160 enum ScaleFactor { 161 no_scale = -1, 162 times_1 = 0, 163 times_2 = 1, 164 times_4 = 2, 165 times_8 = 3, 166 times_ptr = LP64_ONLY(times_8) NOT_LP64(times_4) 167 }; 168 static ScaleFactor times(int size) { 169 assert(size >= 1 && size <= 8 && is_power_of_2(size), "bad scale size"); 170 if (size == 8) return times_8; 171 if (size == 4) return times_4; 172 if (size == 2) return times_2; 173 return times_1; 174 } 175 static int scale_size(ScaleFactor scale) { 176 assert(scale != no_scale, ""); 177 assert(((1 << (int)times_1) == 1 && 178 (1 << (int)times_2) == 2 && 179 (1 << (int)times_4) == 4 && 180 (1 << (int)times_8) == 8), ""); 181 return (1 << (int)scale); 182 } 183 184 private: 185 Register _base; 186 Register _index; 187 ScaleFactor _scale; 188 int _disp; 189 RelocationHolder _rspec; 190 191 // Easily misused constructors make them private 192 // %%% can we make these go away? 193 NOT_LP64(Address(address loc, RelocationHolder spec);) 194 Address(int disp, address loc, relocInfo::relocType rtype); 195 Address(int disp, address loc, RelocationHolder spec); 196 197 public: 198 199 int disp() { return _disp; } 200 // creation 201 Address() 202 : _base(noreg), 203 _index(noreg), 204 _scale(no_scale), 205 _disp(0) { 206 } 207 208 // No default displacement otherwise Register can be implicitly 209 // converted to 0(Register) which is quite a different animal. 210 211 Address(Register base, int disp) 212 : _base(base), 213 _index(noreg), 214 _scale(no_scale), 215 _disp(disp) { 216 } 217 218 Address(Register base, Register index, ScaleFactor scale, int disp = 0) 219 : _base (base), 220 _index(index), 221 _scale(scale), 222 _disp (disp) { 223 assert(!index->is_valid() == (scale == Address::no_scale), 224 "inconsistent address"); 225 } 226 227 Address(Register base, RegisterOrConstant index, ScaleFactor scale = times_1, int disp = 0) 228 : _base (base), 229 _index(index.register_or_noreg()), 230 _scale(scale), 231 _disp (disp + (index.constant_or_zero() * scale_size(scale))) { 232 if (!index.is_register()) scale = Address::no_scale; 233 assert(!_index->is_valid() == (scale == Address::no_scale), 234 "inconsistent address"); 235 } 236 237 Address plus_disp(int disp) const { 238 Address a = (*this); 239 a._disp += disp; 240 return a; 241 } 242 Address plus_disp(RegisterOrConstant disp, ScaleFactor scale = times_1) const { 243 Address a = (*this); 244 a._disp += disp.constant_or_zero() * scale_size(scale); 245 if (disp.is_register()) { 246 assert(!a.index()->is_valid(), "competing indexes"); 247 a._index = disp.as_register(); 248 a._scale = scale; 249 } 250 return a; 251 } 252 bool is_same_address(Address a) const { 253 // disregard _rspec 254 return _base == a._base && _disp == a._disp && _index == a._index && _scale == a._scale; 255 } 256 257 // The following two overloads are used in connection with the 258 // ByteSize type (see sizes.hpp). They simplify the use of 259 // ByteSize'd arguments in assembly code. Note that their equivalent 260 // for the optimized build are the member functions with int disp 261 // argument since ByteSize is mapped to an int type in that case. 262 // 263 // Note: DO NOT introduce similar overloaded functions for WordSize 264 // arguments as in the optimized mode, both ByteSize and WordSize 265 // are mapped to the same type and thus the compiler cannot make a 266 // distinction anymore (=> compiler errors). 267 268 #ifdef ASSERT 269 Address(Register base, ByteSize disp) 270 : _base(base), 271 _index(noreg), 272 _scale(no_scale), 273 _disp(in_bytes(disp)) { 274 } 275 276 Address(Register base, Register index, ScaleFactor scale, ByteSize disp) 277 : _base(base), 278 _index(index), 279 _scale(scale), 280 _disp(in_bytes(disp)) { 281 assert(!index->is_valid() == (scale == Address::no_scale), 282 "inconsistent address"); 283 } 284 285 Address(Register base, RegisterOrConstant index, ScaleFactor scale, ByteSize disp) 286 : _base (base), 287 _index(index.register_or_noreg()), 288 _scale(scale), 289 _disp (in_bytes(disp) + (index.constant_or_zero() * scale_size(scale))) { 290 if (!index.is_register()) scale = Address::no_scale; 291 assert(!_index->is_valid() == (scale == Address::no_scale), 292 "inconsistent address"); 293 } 294 295 #endif // ASSERT 296 297 // accessors 298 bool uses(Register reg) const { return _base == reg || _index == reg; } 299 Register base() const { return _base; } 300 Register index() const { return _index; } 301 ScaleFactor scale() const { return _scale; } 302 int disp() const { return _disp; } 303 304 // Convert the raw encoding form into the form expected by the constructor for 305 // Address. An index of 4 (rsp) corresponds to having no index, so convert 306 // that to noreg for the Address constructor. 307 static Address make_raw(int base, int index, int scale, int disp, relocInfo::relocType disp_reloc); 308 309 static Address make_array(ArrayAddress); 310 311 private: 312 bool base_needs_rex() const { 313 return _base != noreg && _base->encoding() >= 8; 314 } 315 316 bool index_needs_rex() const { 317 return _index != noreg &&_index->encoding() >= 8; 318 } 319 320 relocInfo::relocType reloc() const { return _rspec.type(); } 321 322 friend class Assembler; 323 friend class MacroAssembler; 324 friend class LIR_Assembler; // base/index/scale/disp 325 }; 326 327 // 328 // AddressLiteral has been split out from Address because operands of this type 329 // need to be treated specially on 32bit vs. 64bit platforms. By splitting it out 330 // the few instructions that need to deal with address literals are unique and the 331 // MacroAssembler does not have to implement every instruction in the Assembler 332 // in order to search for address literals that may need special handling depending 333 // on the instruction and the platform. As small step on the way to merging i486/amd64 334 // directories. 335 // 336 class AddressLiteral VALUE_OBJ_CLASS_SPEC { 337 friend class ArrayAddress; 338 RelocationHolder _rspec; 339 // Typically we use AddressLiterals we want to use their rval 340 // However in some situations we want the lval (effect address) of the item. 341 // We provide a special factory for making those lvals. 342 bool _is_lval; 343 344 // If the target is far we'll need to load the ea of this to 345 // a register to reach it. Otherwise if near we can do rip 346 // relative addressing. 347 348 address _target; 349 350 protected: 351 // creation 352 AddressLiteral() 353 : _is_lval(false), 354 _target(NULL) 355 {} 356 357 public: 358 359 360 AddressLiteral(address target, relocInfo::relocType rtype); 361 362 AddressLiteral(address target, RelocationHolder const& rspec) 363 : _rspec(rspec), 364 _is_lval(false), 365 _target(target) 366 {} 367 368 AddressLiteral addr() { 369 AddressLiteral ret = *this; 370 ret._is_lval = true; 371 return ret; 372 } 373 374 375 private: 376 377 address target() { return _target; } 378 bool is_lval() { return _is_lval; } 379 380 relocInfo::relocType reloc() const { return _rspec.type(); } 381 const RelocationHolder& rspec() const { return _rspec; } 382 383 friend class Assembler; 384 friend class MacroAssembler; 385 friend class Address; 386 friend class LIR_Assembler; 387 }; 388 389 // Convience classes 390 class RuntimeAddress: public AddressLiteral { 391 392 public: 393 394 RuntimeAddress(address target) : AddressLiteral(target, relocInfo::runtime_call_type) {} 395 396 }; 397 398 class ExternalAddress: public AddressLiteral { 399 private: 400 static relocInfo::relocType reloc_for_target(address target) { 401 // Sometimes ExternalAddress is used for values which aren't 402 // exactly addresses, like the card table base. 403 // external_word_type can't be used for values in the first page 404 // so just skip the reloc in that case. 405 return external_word_Relocation::can_be_relocated(target) ? relocInfo::external_word_type : relocInfo::none; 406 } 407 408 public: 409 410 ExternalAddress(address target) : AddressLiteral(target, reloc_for_target(target)) {} 411 412 }; 413 414 class InternalAddress: public AddressLiteral { 415 416 public: 417 418 InternalAddress(address target) : AddressLiteral(target, relocInfo::internal_word_type) {} 419 420 }; 421 422 // x86 can do array addressing as a single operation since disp can be an absolute 423 // address amd64 can't. We create a class that expresses the concept but does extra 424 // magic on amd64 to get the final result 425 426 class ArrayAddress VALUE_OBJ_CLASS_SPEC { 427 private: 428 429 AddressLiteral _base; 430 Address _index; 431 432 public: 433 434 ArrayAddress() {}; 435 ArrayAddress(AddressLiteral base, Address index): _base(base), _index(index) {}; 436 AddressLiteral base() { return _base; } 437 Address index() { return _index; } 438 439 }; 440 441 class InstructionAttr; 442 443 // 64-bit refect the fxsave size which is 512 bytes and the new xsave area on EVEX which is another 2176 bytes 444 // See fxsave and xsave(EVEX enabled) documentation for layout 445 const int FPUStateSizeInWords = NOT_LP64(27) LP64_ONLY(2688 / wordSize); 446 447 // The Intel x86/Amd64 Assembler: Pure assembler doing NO optimizations on the instruction 448 // level (e.g. mov rax, 0 is not translated into xor rax, rax!); i.e., what you write 449 // is what you get. The Assembler is generating code into a CodeBuffer. 450 451 class Assembler : public AbstractAssembler { 452 friend class AbstractAssembler; // for the non-virtual hack 453 friend class LIR_Assembler; // as_Address() 454 friend class StubGenerator; 455 456 public: 457 enum Condition { // The x86 condition codes used for conditional jumps/moves. 458 zero = 0x4, 459 notZero = 0x5, 460 equal = 0x4, 461 notEqual = 0x5, 462 less = 0xc, 463 lessEqual = 0xe, 464 greater = 0xf, 465 greaterEqual = 0xd, 466 below = 0x2, 467 belowEqual = 0x6, 468 above = 0x7, 469 aboveEqual = 0x3, 470 overflow = 0x0, 471 noOverflow = 0x1, 472 carrySet = 0x2, 473 carryClear = 0x3, 474 negative = 0x8, 475 positive = 0x9, 476 parity = 0xa, 477 noParity = 0xb 478 }; 479 480 enum Prefix { 481 // segment overrides 482 CS_segment = 0x2e, 483 SS_segment = 0x36, 484 DS_segment = 0x3e, 485 ES_segment = 0x26, 486 FS_segment = 0x64, 487 GS_segment = 0x65, 488 489 REX = 0x40, 490 491 REX_B = 0x41, 492 REX_X = 0x42, 493 REX_XB = 0x43, 494 REX_R = 0x44, 495 REX_RB = 0x45, 496 REX_RX = 0x46, 497 REX_RXB = 0x47, 498 499 REX_W = 0x48, 500 501 REX_WB = 0x49, 502 REX_WX = 0x4A, 503 REX_WXB = 0x4B, 504 REX_WR = 0x4C, 505 REX_WRB = 0x4D, 506 REX_WRX = 0x4E, 507 REX_WRXB = 0x4F, 508 509 VEX_3bytes = 0xC4, 510 VEX_2bytes = 0xC5, 511 EVEX_4bytes = 0x62, 512 Prefix_EMPTY = 0x0 513 }; 514 515 enum VexPrefix { 516 VEX_B = 0x20, 517 VEX_X = 0x40, 518 VEX_R = 0x80, 519 VEX_W = 0x80 520 }; 521 522 enum ExexPrefix { 523 EVEX_F = 0x04, 524 EVEX_V = 0x08, 525 EVEX_Rb = 0x10, 526 EVEX_X = 0x40, 527 EVEX_Z = 0x80 528 }; 529 530 enum VexSimdPrefix { 531 VEX_SIMD_NONE = 0x0, 532 VEX_SIMD_66 = 0x1, 533 VEX_SIMD_F3 = 0x2, 534 VEX_SIMD_F2 = 0x3 535 }; 536 537 enum VexOpcode { 538 VEX_OPCODE_NONE = 0x0, 539 VEX_OPCODE_0F = 0x1, 540 VEX_OPCODE_0F_38 = 0x2, 541 VEX_OPCODE_0F_3A = 0x3, 542 VEX_OPCODE_MASK = 0x1F 543 }; 544 545 enum AvxVectorLen { 546 AVX_128bit = 0x0, 547 AVX_256bit = 0x1, 548 AVX_512bit = 0x2, 549 AVX_NoVec = 0x4 550 }; 551 552 enum EvexTupleType { 553 EVEX_FV = 0, 554 EVEX_HV = 4, 555 EVEX_FVM = 6, 556 EVEX_T1S = 7, 557 EVEX_T1F = 11, 558 EVEX_T2 = 13, 559 EVEX_T4 = 15, 560 EVEX_T8 = 17, 561 EVEX_HVM = 18, 562 EVEX_QVM = 19, 563 EVEX_OVM = 20, 564 EVEX_M128 = 21, 565 EVEX_DUP = 22, 566 EVEX_ETUP = 23 567 }; 568 569 enum EvexInputSizeInBits { 570 EVEX_8bit = 0, 571 EVEX_16bit = 1, 572 EVEX_32bit = 2, 573 EVEX_64bit = 3, 574 EVEX_NObit = 4 575 }; 576 577 enum WhichOperand { 578 // input to locate_operand, and format code for relocations 579 imm_operand = 0, // embedded 32-bit|64-bit immediate operand 580 disp32_operand = 1, // embedded 32-bit displacement or address 581 call32_operand = 2, // embedded 32-bit self-relative displacement 582 #ifndef _LP64 583 _WhichOperand_limit = 3 584 #else 585 narrow_oop_operand = 3, // embedded 32-bit immediate narrow oop 586 _WhichOperand_limit = 4 587 #endif 588 }; 589 590 591 592 // NOTE: The general philopsophy of the declarations here is that 64bit versions 593 // of instructions are freely declared without the need for wrapping them an ifdef. 594 // (Some dangerous instructions are ifdef's out of inappropriate jvm's.) 595 // In the .cpp file the implementations are wrapped so that they are dropped out 596 // of the resulting jvm. This is done mostly to keep the footprint of MINIMAL 597 // to the size it was prior to merging up the 32bit and 64bit assemblers. 598 // 599 // This does mean you'll get a linker/runtime error if you use a 64bit only instruction 600 // in a 32bit vm. This is somewhat unfortunate but keeps the ifdef noise down. 601 602 private: 603 604 bool _legacy_mode_bw; 605 bool _legacy_mode_dq; 606 bool _legacy_mode_vl; 607 bool _legacy_mode_vlbw; 608 609 class InstructionAttr *_attributes; 610 611 // 64bit prefixes 612 int prefix_and_encode(int reg_enc, bool byteinst = false); 613 int prefixq_and_encode(int reg_enc); 614 615 int prefix_and_encode(int dst_enc, int src_enc) { 616 return prefix_and_encode(dst_enc, false, src_enc, false); 617 } 618 int prefix_and_encode(int dst_enc, bool dst_is_byte, int src_enc, bool src_is_byte); 619 int prefixq_and_encode(int dst_enc, int src_enc); 620 621 void prefix(Register reg); 622 void prefix(Register dst, Register src, Prefix p); 623 void prefix(Register dst, Address adr, Prefix p); 624 void prefix(Address adr); 625 void prefixq(Address adr); 626 627 void prefix(Address adr, Register reg, bool byteinst = false); 628 void prefix(Address adr, XMMRegister reg); 629 void prefixq(Address adr, Register reg); 630 void prefixq(Address adr, XMMRegister reg); 631 632 void prefetch_prefix(Address src); 633 634 void rex_prefix(Address adr, XMMRegister xreg, 635 VexSimdPrefix pre, VexOpcode opc, bool rex_w); 636 int rex_prefix_and_encode(int dst_enc, int src_enc, 637 VexSimdPrefix pre, VexOpcode opc, bool rex_w); 638 639 void vex_prefix(bool vex_r, bool vex_b, bool vex_x, int nds_enc, VexSimdPrefix pre, VexOpcode opc); 640 641 void evex_prefix(bool vex_r, bool vex_b, bool vex_x, bool evex_r, bool evex_v, 642 int nds_enc, VexSimdPrefix pre, VexOpcode opc); 643 644 void vex_prefix(Address adr, int nds_enc, int xreg_enc, 645 VexSimdPrefix pre, VexOpcode opc, 646 InstructionAttr *attributes); 647 648 int vex_prefix_and_encode(int dst_enc, int nds_enc, int src_enc, 649 VexSimdPrefix pre, VexOpcode opc, 650 InstructionAttr *attributes); 651 652 void simd_prefix(XMMRegister xreg, XMMRegister nds, Address adr, VexSimdPrefix pre, 653 VexOpcode opc, InstructionAttr *attributes); 654 655 int simd_prefix_and_encode(XMMRegister dst, XMMRegister nds, XMMRegister src, VexSimdPrefix pre, 656 VexOpcode opc, InstructionAttr *attributes); 657 658 int kreg_prefix_and_encode(KRegister dst, KRegister nds, KRegister src, VexSimdPrefix pre, 659 VexOpcode opc, InstructionAttr *attributes); 660 661 int kreg_prefix_and_encode(KRegister dst, KRegister nds, Register src, VexSimdPrefix pre, 662 VexOpcode opc, InstructionAttr *attributes); 663 664 // Helper functions for groups of instructions 665 void emit_arith_b(int op1, int op2, Register dst, int imm8); 666 667 void emit_arith(int op1, int op2, Register dst, int32_t imm32); 668 // Force generation of a 4 byte immediate value even if it fits into 8bit 669 void emit_arith_imm32(int op1, int op2, Register dst, int32_t imm32); 670 void emit_arith(int op1, int op2, Register dst, Register src); 671 672 bool emit_compressed_disp_byte(int &disp); 673 674 void emit_operand(Register reg, 675 Register base, Register index, Address::ScaleFactor scale, 676 int disp, 677 RelocationHolder const& rspec, 678 int rip_relative_correction = 0); 679 680 void emit_operand(Register reg, Address adr, int rip_relative_correction = 0); 681 682 // operands that only take the original 32bit registers 683 void emit_operand32(Register reg, Address adr); 684 685 void emit_operand(XMMRegister reg, 686 Register base, Register index, Address::ScaleFactor scale, 687 int disp, 688 RelocationHolder const& rspec); 689 690 void emit_operand(XMMRegister reg, Address adr); 691 692 void emit_operand(MMXRegister reg, Address adr); 693 694 // workaround gcc (3.2.1-7) bug 695 void emit_operand(Address adr, MMXRegister reg); 696 697 698 // Immediate-to-memory forms 699 void emit_arith_operand(int op1, Register rm, Address adr, int32_t imm32); 700 701 void emit_farith(int b1, int b2, int i); 702 703 704 protected: 705 #ifdef ASSERT 706 void check_relocation(RelocationHolder const& rspec, int format); 707 #endif 708 709 void emit_data(jint data, relocInfo::relocType rtype, int format); 710 void emit_data(jint data, RelocationHolder const& rspec, int format); 711 void emit_data64(jlong data, relocInfo::relocType rtype, int format = 0); 712 void emit_data64(jlong data, RelocationHolder const& rspec, int format = 0); 713 714 bool reachable(AddressLiteral adr) NOT_LP64({ return true;}); 715 716 // These are all easily abused and hence protected 717 718 // 32BIT ONLY SECTION 719 #ifndef _LP64 720 // Make these disappear in 64bit mode since they would never be correct 721 void cmp_literal32(Register src1, int32_t imm32, RelocationHolder const& rspec); // 32BIT ONLY 722 void cmp_literal32(Address src1, int32_t imm32, RelocationHolder const& rspec); // 32BIT ONLY 723 724 void mov_literal32(Register dst, int32_t imm32, RelocationHolder const& rspec); // 32BIT ONLY 725 void mov_literal32(Address dst, int32_t imm32, RelocationHolder const& rspec); // 32BIT ONLY 726 727 void push_literal32(int32_t imm32, RelocationHolder const& rspec); // 32BIT ONLY 728 #else 729 // 64BIT ONLY SECTION 730 void mov_literal64(Register dst, intptr_t imm64, RelocationHolder const& rspec); // 64BIT ONLY 731 732 void cmp_narrow_oop(Register src1, int32_t imm32, RelocationHolder const& rspec); 733 void cmp_narrow_oop(Address src1, int32_t imm32, RelocationHolder const& rspec); 734 735 void mov_narrow_oop(Register dst, int32_t imm32, RelocationHolder const& rspec); 736 void mov_narrow_oop(Address dst, int32_t imm32, RelocationHolder const& rspec); 737 #endif // _LP64 738 739 // These are unique in that we are ensured by the caller that the 32bit 740 // relative in these instructions will always be able to reach the potentially 741 // 64bit address described by entry. Since they can take a 64bit address they 742 // don't have the 32 suffix like the other instructions in this class. 743 744 void call_literal(address entry, RelocationHolder const& rspec); 745 void jmp_literal(address entry, RelocationHolder const& rspec); 746 747 // Avoid using directly section 748 // Instructions in this section are actually usable by anyone without danger 749 // of failure but have performance issues that are addressed my enhanced 750 // instructions which will do the proper thing base on the particular cpu. 751 // We protect them because we don't trust you... 752 753 // Don't use next inc() and dec() methods directly. INC & DEC instructions 754 // could cause a partial flag stall since they don't set CF flag. 755 // Use MacroAssembler::decrement() & MacroAssembler::increment() methods 756 // which call inc() & dec() or add() & sub() in accordance with 757 // the product flag UseIncDec value. 758 759 void decl(Register dst); 760 void decl(Address dst); 761 void decq(Register dst); 762 void decq(Address dst); 763 764 void incl(Register dst); 765 void incl(Address dst); 766 void incq(Register dst); 767 void incq(Address dst); 768 769 // New cpus require use of movsd and movss to avoid partial register stall 770 // when loading from memory. But for old Opteron use movlpd instead of movsd. 771 // The selection is done in MacroAssembler::movdbl() and movflt(). 772 773 // Move Scalar Single-Precision Floating-Point Values 774 void movss(XMMRegister dst, Address src); 775 void movss(XMMRegister dst, XMMRegister src); 776 void movss(Address dst, XMMRegister src); 777 778 // Move Scalar Double-Precision Floating-Point Values 779 void movsd(XMMRegister dst, Address src); 780 void movsd(XMMRegister dst, XMMRegister src); 781 void movsd(Address dst, XMMRegister src); 782 void movlpd(XMMRegister dst, Address src); 783 784 // New cpus require use of movaps and movapd to avoid partial register stall 785 // when moving between registers. 786 void movaps(XMMRegister dst, XMMRegister src); 787 void movapd(XMMRegister dst, XMMRegister src); 788 789 // End avoid using directly 790 791 792 // Instruction prefixes 793 void prefix(Prefix p); 794 795 public: 796 797 // Creation 798 Assembler(CodeBuffer* code) : AbstractAssembler(code) { 799 init_attributes(); 800 } 801 802 // Decoding 803 static address locate_operand(address inst, WhichOperand which); 804 static address locate_next_instruction(address inst); 805 806 // Utilities 807 static bool is_polling_page_far() NOT_LP64({ return false;}); 808 static bool query_compressed_disp_byte(int disp, bool is_evex_inst, int vector_len, 809 int cur_tuple_type, int in_size_in_bits, int cur_encoding); 810 811 // Generic instructions 812 // Does 32bit or 64bit as needed for the platform. In some sense these 813 // belong in macro assembler but there is no need for both varieties to exist 814 815 void init_attributes(void) { 816 _legacy_mode_bw = (VM_Version::supports_avx512bw() == false); 817 _legacy_mode_dq = (VM_Version::supports_avx512dq() == false); 818 _legacy_mode_vl = (VM_Version::supports_avx512vl() == false); 819 _legacy_mode_vlbw = (VM_Version::supports_avx512vlbw() == false); 820 _attributes = NULL; 821 } 822 823 void set_attributes(InstructionAttr *attributes) { _attributes = attributes; } 824 void clear_attributes(void) { _attributes = NULL; } 825 826 void lea(Register dst, Address src); 827 828 void mov(Register dst, Register src); 829 830 void pusha(); 831 void popa(); 832 833 void pushf(); 834 void popf(); 835 836 void push(int32_t imm32); 837 838 void push(Register src); 839 840 void pop(Register dst); 841 842 // These are dummies to prevent surprise implicit conversions to Register 843 void push(void* v); 844 void pop(void* v); 845 846 // These do register sized moves/scans 847 void rep_mov(); 848 void rep_stos(); 849 void rep_stosb(); 850 void repne_scan(); 851 #ifdef _LP64 852 void repne_scanl(); 853 #endif 854 855 // Vanilla instructions in lexical order 856 857 void adcl(Address dst, int32_t imm32); 858 void adcl(Address dst, Register src); 859 void adcl(Register dst, int32_t imm32); 860 void adcl(Register dst, Address src); 861 void adcl(Register dst, Register src); 862 863 void adcq(Register dst, int32_t imm32); 864 void adcq(Register dst, Address src); 865 void adcq(Register dst, Register src); 866 867 void addl(Address dst, int32_t imm32); 868 void addl(Address dst, Register src); 869 void addl(Register dst, int32_t imm32); 870 void addl(Register dst, Address src); 871 void addl(Register dst, Register src); 872 873 void addq(Address dst, int32_t imm32); 874 void addq(Address dst, Register src); 875 void addq(Register dst, int32_t imm32); 876 void addq(Register dst, Address src); 877 void addq(Register dst, Register src); 878 879 #ifdef _LP64 880 //Add Unsigned Integers with Carry Flag 881 void adcxq(Register dst, Register src); 882 883 //Add Unsigned Integers with Overflow Flag 884 void adoxq(Register dst, Register src); 885 #endif 886 887 void addr_nop_4(); 888 void addr_nop_5(); 889 void addr_nop_7(); 890 void addr_nop_8(); 891 892 // Add Scalar Double-Precision Floating-Point Values 893 void addsd(XMMRegister dst, Address src); 894 void addsd(XMMRegister dst, XMMRegister src); 895 896 // Add Scalar Single-Precision Floating-Point Values 897 void addss(XMMRegister dst, Address src); 898 void addss(XMMRegister dst, XMMRegister src); 899 900 // AES instructions 901 void aesdec(XMMRegister dst, Address src); 902 void aesdec(XMMRegister dst, XMMRegister src); 903 void aesdeclast(XMMRegister dst, Address src); 904 void aesdeclast(XMMRegister dst, XMMRegister src); 905 void aesenc(XMMRegister dst, Address src); 906 void aesenc(XMMRegister dst, XMMRegister src); 907 void aesenclast(XMMRegister dst, Address src); 908 void aesenclast(XMMRegister dst, XMMRegister src); 909 910 911 void andl(Address dst, int32_t imm32); 912 void andl(Register dst, int32_t imm32); 913 void andl(Register dst, Address src); 914 void andl(Register dst, Register src); 915 916 void andq(Address dst, int32_t imm32); 917 void andq(Register dst, int32_t imm32); 918 void andq(Register dst, Address src); 919 void andq(Register dst, Register src); 920 921 // BMI instructions 922 void andnl(Register dst, Register src1, Register src2); 923 void andnl(Register dst, Register src1, Address src2); 924 void andnq(Register dst, Register src1, Register src2); 925 void andnq(Register dst, Register src1, Address src2); 926 927 void blsil(Register dst, Register src); 928 void blsil(Register dst, Address src); 929 void blsiq(Register dst, Register src); 930 void blsiq(Register dst, Address src); 931 932 void blsmskl(Register dst, Register src); 933 void blsmskl(Register dst, Address src); 934 void blsmskq(Register dst, Register src); 935 void blsmskq(Register dst, Address src); 936 937 void blsrl(Register dst, Register src); 938 void blsrl(Register dst, Address src); 939 void blsrq(Register dst, Register src); 940 void blsrq(Register dst, Address src); 941 942 void bsfl(Register dst, Register src); 943 void bsrl(Register dst, Register src); 944 945 #ifdef _LP64 946 void bsfq(Register dst, Register src); 947 void bsrq(Register dst, Register src); 948 #endif 949 950 void bswapl(Register reg); 951 952 void bswapq(Register reg); 953 954 void call(Label& L, relocInfo::relocType rtype); 955 void call(Register reg); // push pc; pc <- reg 956 void call(Address adr); // push pc; pc <- adr 957 958 void cdql(); 959 960 void cdqq(); 961 962 void cld(); 963 964 void clflush(Address adr); 965 966 void cmovl(Condition cc, Register dst, Register src); 967 void cmovl(Condition cc, Register dst, Address src); 968 969 void cmovq(Condition cc, Register dst, Register src); 970 void cmovq(Condition cc, Register dst, Address src); 971 972 973 void cmpb(Address dst, int imm8); 974 975 void cmpl(Address dst, int32_t imm32); 976 977 void cmpl(Register dst, int32_t imm32); 978 void cmpl(Register dst, Register src); 979 void cmpl(Register dst, Address src); 980 981 void cmpq(Address dst, int32_t imm32); 982 void cmpq(Address dst, Register src); 983 984 void cmpq(Register dst, int32_t imm32); 985 void cmpq(Register dst, Register src); 986 void cmpq(Register dst, Address src); 987 988 // these are dummies used to catch attempting to convert NULL to Register 989 void cmpl(Register dst, void* junk); // dummy 990 void cmpq(Register dst, void* junk); // dummy 991 992 void cmpw(Address dst, int imm16); 993 994 void cmpxchg8 (Address adr); 995 996 void cmpxchgb(Register reg, Address adr); 997 void cmpxchgl(Register reg, Address adr); 998 999 void cmpxchgq(Register reg, Address adr); 1000 1001 // Ordered Compare Scalar Double-Precision Floating-Point Values and set EFLAGS 1002 void comisd(XMMRegister dst, Address src); 1003 void comisd(XMMRegister dst, XMMRegister src); 1004 1005 // Ordered Compare Scalar Single-Precision Floating-Point Values and set EFLAGS 1006 void comiss(XMMRegister dst, Address src); 1007 void comiss(XMMRegister dst, XMMRegister src); 1008 1009 // Identify processor type and features 1010 void cpuid(); 1011 1012 // CRC32C 1013 void crc32(Register crc, Register v, int8_t sizeInBytes); 1014 void crc32(Register crc, Address adr, int8_t sizeInBytes); 1015 1016 // Convert Scalar Double-Precision Floating-Point Value to Scalar Single-Precision Floating-Point Value 1017 void cvtsd2ss(XMMRegister dst, XMMRegister src); 1018 void cvtsd2ss(XMMRegister dst, Address src); 1019 1020 // Convert Doubleword Integer to Scalar Double-Precision Floating-Point Value 1021 void cvtsi2sdl(XMMRegister dst, Register src); 1022 void cvtsi2sdl(XMMRegister dst, Address src); 1023 void cvtsi2sdq(XMMRegister dst, Register src); 1024 void cvtsi2sdq(XMMRegister dst, Address src); 1025 1026 // Convert Doubleword Integer to Scalar Single-Precision Floating-Point Value 1027 void cvtsi2ssl(XMMRegister dst, Register src); 1028 void cvtsi2ssl(XMMRegister dst, Address src); 1029 void cvtsi2ssq(XMMRegister dst, Register src); 1030 void cvtsi2ssq(XMMRegister dst, Address src); 1031 1032 // Convert Packed Signed Doubleword Integers to Packed Double-Precision Floating-Point Value 1033 void cvtdq2pd(XMMRegister dst, XMMRegister src); 1034 1035 // Convert Packed Signed Doubleword Integers to Packed Single-Precision Floating-Point Value 1036 void cvtdq2ps(XMMRegister dst, XMMRegister src); 1037 1038 // Convert Scalar Single-Precision Floating-Point Value to Scalar Double-Precision Floating-Point Value 1039 void cvtss2sd(XMMRegister dst, XMMRegister src); 1040 void cvtss2sd(XMMRegister dst, Address src); 1041 1042 // Convert with Truncation Scalar Double-Precision Floating-Point Value to Doubleword Integer 1043 void cvttsd2sil(Register dst, Address src); 1044 void cvttsd2sil(Register dst, XMMRegister src); 1045 void cvttsd2siq(Register dst, XMMRegister src); 1046 1047 // Convert with Truncation Scalar Single-Precision Floating-Point Value to Doubleword Integer 1048 void cvttss2sil(Register dst, XMMRegister src); 1049 void cvttss2siq(Register dst, XMMRegister src); 1050 1051 // Divide Scalar Double-Precision Floating-Point Values 1052 void divsd(XMMRegister dst, Address src); 1053 void divsd(XMMRegister dst, XMMRegister src); 1054 1055 // Divide Scalar Single-Precision Floating-Point Values 1056 void divss(XMMRegister dst, Address src); 1057 void divss(XMMRegister dst, XMMRegister src); 1058 1059 void emms(); 1060 1061 void fabs(); 1062 1063 void fadd(int i); 1064 1065 void fadd_d(Address src); 1066 void fadd_s(Address src); 1067 1068 // "Alternate" versions of x87 instructions place result down in FPU 1069 // stack instead of on TOS 1070 1071 void fadda(int i); // "alternate" fadd 1072 void faddp(int i = 1); 1073 1074 void fchs(); 1075 1076 void fcom(int i); 1077 1078 void fcomp(int i = 1); 1079 void fcomp_d(Address src); 1080 void fcomp_s(Address src); 1081 1082 void fcompp(); 1083 1084 void fcos(); 1085 1086 void fdecstp(); 1087 1088 void fdiv(int i); 1089 void fdiv_d(Address src); 1090 void fdivr_s(Address src); 1091 void fdiva(int i); // "alternate" fdiv 1092 void fdivp(int i = 1); 1093 1094 void fdivr(int i); 1095 void fdivr_d(Address src); 1096 void fdiv_s(Address src); 1097 1098 void fdivra(int i); // "alternate" reversed fdiv 1099 1100 void fdivrp(int i = 1); 1101 1102 void ffree(int i = 0); 1103 1104 void fild_d(Address adr); 1105 void fild_s(Address adr); 1106 1107 void fincstp(); 1108 1109 void finit(); 1110 1111 void fist_s (Address adr); 1112 void fistp_d(Address adr); 1113 void fistp_s(Address adr); 1114 1115 void fld1(); 1116 1117 void fld_d(Address adr); 1118 void fld_s(Address adr); 1119 void fld_s(int index); 1120 void fld_x(Address adr); // extended-precision (80-bit) format 1121 1122 void fldcw(Address src); 1123 1124 void fldenv(Address src); 1125 1126 void fldlg2(); 1127 1128 void fldln2(); 1129 1130 void fldz(); 1131 1132 void flog(); 1133 void flog10(); 1134 1135 void fmul(int i); 1136 1137 void fmul_d(Address src); 1138 void fmul_s(Address src); 1139 1140 void fmula(int i); // "alternate" fmul 1141 1142 void fmulp(int i = 1); 1143 1144 void fnsave(Address dst); 1145 1146 void fnstcw(Address src); 1147 1148 void fnstsw_ax(); 1149 1150 void fprem(); 1151 void fprem1(); 1152 1153 void frstor(Address src); 1154 1155 void fsin(); 1156 1157 void fsqrt(); 1158 1159 void fst_d(Address adr); 1160 void fst_s(Address adr); 1161 1162 void fstp_d(Address adr); 1163 void fstp_d(int index); 1164 void fstp_s(Address adr); 1165 void fstp_x(Address adr); // extended-precision (80-bit) format 1166 1167 void fsub(int i); 1168 void fsub_d(Address src); 1169 void fsub_s(Address src); 1170 1171 void fsuba(int i); // "alternate" fsub 1172 1173 void fsubp(int i = 1); 1174 1175 void fsubr(int i); 1176 void fsubr_d(Address src); 1177 void fsubr_s(Address src); 1178 1179 void fsubra(int i); // "alternate" reversed fsub 1180 1181 void fsubrp(int i = 1); 1182 1183 void ftan(); 1184 1185 void ftst(); 1186 1187 void fucomi(int i = 1); 1188 void fucomip(int i = 1); 1189 1190 void fwait(); 1191 1192 void fxch(int i = 1); 1193 1194 void fxrstor(Address src); 1195 void xrstor(Address src); 1196 1197 void fxsave(Address dst); 1198 void xsave(Address dst); 1199 1200 void fyl2x(); 1201 void frndint(); 1202 void f2xm1(); 1203 void fldl2e(); 1204 1205 void hlt(); 1206 1207 void idivl(Register src); 1208 void divl(Register src); // Unsigned division 1209 1210 #ifdef _LP64 1211 void idivq(Register src); 1212 #endif 1213 1214 void imull(Register src); 1215 void imull(Register dst, Register src); 1216 void imull(Register dst, Register src, int value); 1217 void imull(Register dst, Address src); 1218 1219 #ifdef _LP64 1220 void imulq(Register dst, Register src); 1221 void imulq(Register dst, Register src, int value); 1222 void imulq(Register dst, Address src); 1223 #endif 1224 1225 // jcc is the generic conditional branch generator to run- 1226 // time routines, jcc is used for branches to labels. jcc 1227 // takes a branch opcode (cc) and a label (L) and generates 1228 // either a backward branch or a forward branch and links it 1229 // to the label fixup chain. Usage: 1230 // 1231 // Label L; // unbound label 1232 // jcc(cc, L); // forward branch to unbound label 1233 // bind(L); // bind label to the current pc 1234 // jcc(cc, L); // backward branch to bound label 1235 // bind(L); // illegal: a label may be bound only once 1236 // 1237 // Note: The same Label can be used for forward and backward branches 1238 // but it may be bound only once. 1239 1240 void jcc(Condition cc, Label& L, bool maybe_short = true); 1241 1242 // Conditional jump to a 8-bit offset to L. 1243 // WARNING: be very careful using this for forward jumps. If the label is 1244 // not bound within an 8-bit offset of this instruction, a run-time error 1245 // will occur. 1246 void jccb(Condition cc, Label& L); 1247 1248 void jmp(Address entry); // pc <- entry 1249 1250 // Label operations & relative jumps (PPUM Appendix D) 1251 void jmp(Label& L, bool maybe_short = true); // unconditional jump to L 1252 1253 void jmp(Register entry); // pc <- entry 1254 1255 // Unconditional 8-bit offset jump to L. 1256 // WARNING: be very careful using this for forward jumps. If the label is 1257 // not bound within an 8-bit offset of this instruction, a run-time error 1258 // will occur. 1259 void jmpb(Label& L); 1260 1261 void ldmxcsr( Address src ); 1262 1263 void leal(Register dst, Address src); 1264 1265 void leaq(Register dst, Address src); 1266 1267 void lfence(); 1268 1269 void lock(); 1270 1271 void lzcntl(Register dst, Register src); 1272 1273 #ifdef _LP64 1274 void lzcntq(Register dst, Register src); 1275 #endif 1276 1277 enum Membar_mask_bits { 1278 StoreStore = 1 << 3, 1279 LoadStore = 1 << 2, 1280 StoreLoad = 1 << 1, 1281 LoadLoad = 1 << 0 1282 }; 1283 1284 // Serializes memory and blows flags 1285 void membar(Membar_mask_bits order_constraint) { 1286 if (os::is_MP()) { 1287 // We only have to handle StoreLoad 1288 if (order_constraint & StoreLoad) { 1289 // All usable chips support "locked" instructions which suffice 1290 // as barriers, and are much faster than the alternative of 1291 // using cpuid instruction. We use here a locked add [esp-C],0. 1292 // This is conveniently otherwise a no-op except for blowing 1293 // flags, and introducing a false dependency on target memory 1294 // location. We can't do anything with flags, but we can avoid 1295 // memory dependencies in the current method by locked-adding 1296 // somewhere else on the stack. Doing [esp+C] will collide with 1297 // something on stack in current method, hence we go for [esp-C]. 1298 // It is convenient since it is almost always in data cache, for 1299 // any small C. We need to step back from SP to avoid data 1300 // dependencies with other things on below SP (callee-saves, for 1301 // example). Without a clear way to figure out the minimal safe 1302 // distance from SP, it makes sense to step back the complete 1303 // cache line, as this will also avoid possible second-order effects 1304 // with locked ops against the cache line. Our choice of offset 1305 // is bounded by x86 operand encoding, which should stay within 1306 // [-128; +127] to have the 8-byte displacement encoding. 1307 // 1308 // Any change to this code may need to revisit other places in 1309 // the code where this idiom is used, in particular the 1310 // orderAccess code. 1311 1312 int offset = -VM_Version::L1_line_size(); 1313 if (offset < -128) { 1314 offset = -128; 1315 } 1316 1317 lock(); 1318 addl(Address(rsp, offset), 0);// Assert the lock# signal here 1319 } 1320 } 1321 } 1322 1323 void mfence(); 1324 1325 // Moves 1326 1327 void mov64(Register dst, int64_t imm64); 1328 1329 void movb(Address dst, Register src); 1330 void movb(Address dst, int imm8); 1331 void movb(Register dst, Address src); 1332 1333 void movddup(XMMRegister dst, XMMRegister src); 1334 1335 void kmovwl(KRegister dst, Register src); 1336 void kmovdl(KRegister dst, Register src); 1337 void kmovql(KRegister dst, KRegister src); 1338 void kmovql(KRegister dst, Register src); 1339 void kmovql(Address dst, KRegister src); 1340 void kmovql(KRegister dst, Address src); 1341 1342 void kortestbl(KRegister dst, KRegister src); 1343 void kortestwl(KRegister dst, KRegister src); 1344 void kortestdl(KRegister dst, KRegister src); 1345 void kortestql(KRegister dst, KRegister src); 1346 1347 void movdl(XMMRegister dst, Register src); 1348 void movdl(Register dst, XMMRegister src); 1349 void movdl(XMMRegister dst, Address src); 1350 void movdl(Address dst, XMMRegister src); 1351 1352 // Move Double Quadword 1353 void movdq(XMMRegister dst, Register src); 1354 void movdq(Register dst, XMMRegister src); 1355 1356 // Move Aligned Double Quadword 1357 void movdqa(XMMRegister dst, XMMRegister src); 1358 void movdqa(XMMRegister dst, Address src); 1359 1360 // Move Unaligned Double Quadword 1361 void movdqu(Address dst, XMMRegister src); 1362 void movdqu(XMMRegister dst, Address src); 1363 void movdqu(XMMRegister dst, XMMRegister src); 1364 1365 // Move Unaligned 256bit Vector 1366 void vmovdqu(Address dst, XMMRegister src); 1367 void vmovdqu(XMMRegister dst, Address src); 1368 void vmovdqu(XMMRegister dst, XMMRegister src); 1369 1370 // Move Unaligned 512bit Vector 1371 void evmovdqub(Address dst, XMMRegister src, int vector_len); 1372 void evmovdqub(XMMRegister dst, Address src, int vector_len); 1373 void evmovdqub(XMMRegister dst, XMMRegister src, int vector_len); 1374 void evmovdquw(Address dst, XMMRegister src, int vector_len); 1375 void evmovdquw(XMMRegister dst, Address src, int vector_len); 1376 void evmovdquw(XMMRegister dst, XMMRegister src, int vector_len); 1377 void evmovdqul(Address dst, XMMRegister src, int vector_len); 1378 void evmovdqul(XMMRegister dst, Address src, int vector_len); 1379 void evmovdqul(XMMRegister dst, XMMRegister src, int vector_len); 1380 void evmovdquq(Address dst, XMMRegister src, int vector_len); 1381 void evmovdquq(XMMRegister dst, Address src, int vector_len); 1382 void evmovdquq(XMMRegister dst, XMMRegister src, int vector_len); 1383 1384 // Move lower 64bit to high 64bit in 128bit register 1385 void movlhps(XMMRegister dst, XMMRegister src); 1386 1387 void movl(Register dst, int32_t imm32); 1388 void movl(Address dst, int32_t imm32); 1389 void movl(Register dst, Register src); 1390 void movl(Register dst, Address src); 1391 void movl(Address dst, Register src); 1392 1393 // These dummies prevent using movl from converting a zero (like NULL) into Register 1394 // by giving the compiler two choices it can't resolve 1395 1396 void movl(Address dst, void* junk); 1397 void movl(Register dst, void* junk); 1398 1399 #ifdef _LP64 1400 void movq(Register dst, Register src); 1401 void movq(Register dst, Address src); 1402 void movq(Address dst, Register src); 1403 #endif 1404 1405 void movq(Address dst, MMXRegister src ); 1406 void movq(MMXRegister dst, Address src ); 1407 1408 #ifdef _LP64 1409 // These dummies prevent using movq from converting a zero (like NULL) into Register 1410 // by giving the compiler two choices it can't resolve 1411 1412 void movq(Address dst, void* dummy); 1413 void movq(Register dst, void* dummy); 1414 #endif 1415 1416 // Move Quadword 1417 void movq(Address dst, XMMRegister src); 1418 void movq(XMMRegister dst, Address src); 1419 1420 void movsbl(Register dst, Address src); 1421 void movsbl(Register dst, Register src); 1422 1423 #ifdef _LP64 1424 void movsbq(Register dst, Address src); 1425 void movsbq(Register dst, Register src); 1426 1427 // Move signed 32bit immediate to 64bit extending sign 1428 void movslq(Address dst, int32_t imm64); 1429 void movslq(Register dst, int32_t imm64); 1430 1431 void movslq(Register dst, Address src); 1432 void movslq(Register dst, Register src); 1433 void movslq(Register dst, void* src); // Dummy declaration to cause NULL to be ambiguous 1434 #endif 1435 1436 void movswl(Register dst, Address src); 1437 void movswl(Register dst, Register src); 1438 1439 #ifdef _LP64 1440 void movswq(Register dst, Address src); 1441 void movswq(Register dst, Register src); 1442 #endif 1443 1444 void movw(Address dst, int imm16); 1445 void movw(Register dst, Address src); 1446 void movw(Address dst, Register src); 1447 1448 void movzbl(Register dst, Address src); 1449 void movzbl(Register dst, Register src); 1450 1451 #ifdef _LP64 1452 void movzbq(Register dst, Address src); 1453 void movzbq(Register dst, Register src); 1454 #endif 1455 1456 void movzwl(Register dst, Address src); 1457 void movzwl(Register dst, Register src); 1458 1459 #ifdef _LP64 1460 void movzwq(Register dst, Address src); 1461 void movzwq(Register dst, Register src); 1462 #endif 1463 1464 // Unsigned multiply with RAX destination register 1465 void mull(Address src); 1466 void mull(Register src); 1467 1468 #ifdef _LP64 1469 void mulq(Address src); 1470 void mulq(Register src); 1471 void mulxq(Register dst1, Register dst2, Register src); 1472 #endif 1473 1474 // Multiply Scalar Double-Precision Floating-Point Values 1475 void mulsd(XMMRegister dst, Address src); 1476 void mulsd(XMMRegister dst, XMMRegister src); 1477 1478 // Multiply Scalar Single-Precision Floating-Point Values 1479 void mulss(XMMRegister dst, Address src); 1480 void mulss(XMMRegister dst, XMMRegister src); 1481 1482 void negl(Register dst); 1483 1484 #ifdef _LP64 1485 void negq(Register dst); 1486 #endif 1487 1488 void nop(int i = 1); 1489 1490 void notl(Register dst); 1491 1492 #ifdef _LP64 1493 void notq(Register dst); 1494 #endif 1495 1496 void orl(Address dst, int32_t imm32); 1497 void orl(Register dst, int32_t imm32); 1498 void orl(Register dst, Address src); 1499 void orl(Register dst, Register src); 1500 void orl(Address dst, Register src); 1501 1502 void orq(Address dst, int32_t imm32); 1503 void orq(Register dst, int32_t imm32); 1504 void orq(Register dst, Address src); 1505 void orq(Register dst, Register src); 1506 1507 // Pack with unsigned saturation 1508 void packuswb(XMMRegister dst, XMMRegister src); 1509 void packuswb(XMMRegister dst, Address src); 1510 void vpackuswb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1511 1512 // Pemutation of 64bit words 1513 void vpermq(XMMRegister dst, XMMRegister src, int imm8, int vector_len); 1514 void vpermq(XMMRegister dst, XMMRegister src, int imm8); 1515 1516 void pause(); 1517 1518 // SSE4.2 string instructions 1519 void pcmpestri(XMMRegister xmm1, XMMRegister xmm2, int imm8); 1520 void pcmpestri(XMMRegister xmm1, Address src, int imm8); 1521 1522 void pcmpeqb(XMMRegister dst, XMMRegister src); 1523 void vpcmpeqb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1524 void evpcmpeqb(KRegister kdst, XMMRegister nds, XMMRegister src, int vector_len); 1525 1526 void pcmpeqw(XMMRegister dst, XMMRegister src); 1527 void vpcmpeqw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1528 void evpcmpeqw(KRegister kdst, XMMRegister nds, XMMRegister src, int vector_len); 1529 1530 void pcmpeqd(XMMRegister dst, XMMRegister src); 1531 void vpcmpeqd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1532 void evpcmpeqd(KRegister kdst, XMMRegister nds, XMMRegister src, int vector_len); 1533 1534 void pcmpeqq(XMMRegister dst, XMMRegister src); 1535 void vpcmpeqq(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1536 void evpcmpeqq(KRegister kdst, XMMRegister nds, XMMRegister src, int vector_len); 1537 void evpcmpeqq(KRegister kdst, XMMRegister nds, Address src, int vector_len); 1538 1539 void pmovmskb(Register dst, XMMRegister src); 1540 void vpmovmskb(Register dst, XMMRegister src); 1541 1542 // SSE 4.1 extract 1543 void pextrd(Register dst, XMMRegister src, int imm8); 1544 void pextrq(Register dst, XMMRegister src, int imm8); 1545 // SSE 2 extract 1546 void pextrw(Register dst, XMMRegister src, int imm8); 1547 1548 // SSE 4.1 insert 1549 void pinsrd(XMMRegister dst, Register src, int imm8); 1550 void pinsrq(XMMRegister dst, Register src, int imm8); 1551 // SSE 2 insert 1552 void pinsrw(XMMRegister dst, Register src, int imm8); 1553 1554 // SSE4.1 packed move 1555 void pmovzxbw(XMMRegister dst, XMMRegister src); 1556 void pmovzxbw(XMMRegister dst, Address src); 1557 1558 void vpmovzxbw(XMMRegister dst, Address src, int vector_len); 1559 1560 #ifndef _LP64 // no 32bit push/pop on amd64 1561 void popl(Address dst); 1562 #endif 1563 1564 #ifdef _LP64 1565 void popq(Address dst); 1566 #endif 1567 1568 void popcntl(Register dst, Address src); 1569 void popcntl(Register dst, Register src); 1570 1571 #ifdef _LP64 1572 void popcntq(Register dst, Address src); 1573 void popcntq(Register dst, Register src); 1574 #endif 1575 1576 // Prefetches (SSE, SSE2, 3DNOW only) 1577 1578 void prefetchnta(Address src); 1579 void prefetchr(Address src); 1580 void prefetcht0(Address src); 1581 void prefetcht1(Address src); 1582 void prefetcht2(Address src); 1583 void prefetchw(Address src); 1584 1585 // Shuffle Bytes 1586 void pshufb(XMMRegister dst, XMMRegister src); 1587 void pshufb(XMMRegister dst, Address src); 1588 1589 // Shuffle Packed Doublewords 1590 void pshufd(XMMRegister dst, XMMRegister src, int mode); 1591 void pshufd(XMMRegister dst, Address src, int mode); 1592 1593 // Shuffle Packed Low Words 1594 void pshuflw(XMMRegister dst, XMMRegister src, int mode); 1595 void pshuflw(XMMRegister dst, Address src, int mode); 1596 1597 // Shift Right by bytes Logical DoubleQuadword Immediate 1598 void psrldq(XMMRegister dst, int shift); 1599 // Shift Left by bytes Logical DoubleQuadword Immediate 1600 void pslldq(XMMRegister dst, int shift); 1601 1602 // Logical Compare 128bit 1603 void ptest(XMMRegister dst, XMMRegister src); 1604 void ptest(XMMRegister dst, Address src); 1605 // Logical Compare 256bit 1606 void vptest(XMMRegister dst, XMMRegister src); 1607 void vptest(XMMRegister dst, Address src); 1608 1609 // Interleave Low Bytes 1610 void punpcklbw(XMMRegister dst, XMMRegister src); 1611 void punpcklbw(XMMRegister dst, Address src); 1612 1613 // Interleave Low Doublewords 1614 void punpckldq(XMMRegister dst, XMMRegister src); 1615 void punpckldq(XMMRegister dst, Address src); 1616 1617 // Interleave Low Quadwords 1618 void punpcklqdq(XMMRegister dst, XMMRegister src); 1619 1620 #ifndef _LP64 // no 32bit push/pop on amd64 1621 void pushl(Address src); 1622 #endif 1623 1624 void pushq(Address src); 1625 1626 void rcll(Register dst, int imm8); 1627 1628 void rclq(Register dst, int imm8); 1629 1630 void rcrq(Register dst, int imm8); 1631 1632 void rcpps(XMMRegister dst, XMMRegister src); 1633 1634 void rcpss(XMMRegister dst, XMMRegister src); 1635 1636 void rdtsc(); 1637 1638 void ret(int imm16); 1639 1640 #ifdef _LP64 1641 void rorq(Register dst, int imm8); 1642 void rorxq(Register dst, Register src, int imm8); 1643 #endif 1644 1645 void sahf(); 1646 1647 void sarl(Register dst, int imm8); 1648 void sarl(Register dst); 1649 1650 void sarq(Register dst, int imm8); 1651 void sarq(Register dst); 1652 1653 void sbbl(Address dst, int32_t imm32); 1654 void sbbl(Register dst, int32_t imm32); 1655 void sbbl(Register dst, Address src); 1656 void sbbl(Register dst, Register src); 1657 1658 void sbbq(Address dst, int32_t imm32); 1659 void sbbq(Register dst, int32_t imm32); 1660 void sbbq(Register dst, Address src); 1661 void sbbq(Register dst, Register src); 1662 1663 void setb(Condition cc, Register dst); 1664 1665 void shldl(Register dst, Register src); 1666 void shldl(Register dst, Register src, int8_t imm8); 1667 1668 void shll(Register dst, int imm8); 1669 void shll(Register dst); 1670 1671 void shlq(Register dst, int imm8); 1672 void shlq(Register dst); 1673 1674 void shrdl(Register dst, Register src); 1675 1676 void shrl(Register dst, int imm8); 1677 void shrl(Register dst); 1678 1679 void shrq(Register dst, int imm8); 1680 void shrq(Register dst); 1681 1682 void smovl(); // QQQ generic? 1683 1684 // Compute Square Root of Scalar Double-Precision Floating-Point Value 1685 void sqrtsd(XMMRegister dst, Address src); 1686 void sqrtsd(XMMRegister dst, XMMRegister src); 1687 1688 // Compute Square Root of Scalar Single-Precision Floating-Point Value 1689 void sqrtss(XMMRegister dst, Address src); 1690 void sqrtss(XMMRegister dst, XMMRegister src); 1691 1692 void std(); 1693 1694 void stmxcsr( Address dst ); 1695 1696 void subl(Address dst, int32_t imm32); 1697 void subl(Address dst, Register src); 1698 void subl(Register dst, int32_t imm32); 1699 void subl(Register dst, Address src); 1700 void subl(Register dst, Register src); 1701 1702 void subq(Address dst, int32_t imm32); 1703 void subq(Address dst, Register src); 1704 void subq(Register dst, int32_t imm32); 1705 void subq(Register dst, Address src); 1706 void subq(Register dst, Register src); 1707 1708 // Force generation of a 4 byte immediate value even if it fits into 8bit 1709 void subl_imm32(Register dst, int32_t imm32); 1710 void subq_imm32(Register dst, int32_t imm32); 1711 1712 // Subtract Scalar Double-Precision Floating-Point Values 1713 void subsd(XMMRegister dst, Address src); 1714 void subsd(XMMRegister dst, XMMRegister src); 1715 1716 // Subtract Scalar Single-Precision Floating-Point Values 1717 void subss(XMMRegister dst, Address src); 1718 void subss(XMMRegister dst, XMMRegister src); 1719 1720 void testb(Register dst, int imm8); 1721 void testb(Address dst, int imm8); 1722 1723 void testl(Register dst, int32_t imm32); 1724 void testl(Register dst, Register src); 1725 void testl(Register dst, Address src); 1726 1727 void testq(Register dst, int32_t imm32); 1728 void testq(Register dst, Register src); 1729 1730 // BMI - count trailing zeros 1731 void tzcntl(Register dst, Register src); 1732 void tzcntq(Register dst, Register src); 1733 1734 // Unordered Compare Scalar Double-Precision Floating-Point Values and set EFLAGS 1735 void ucomisd(XMMRegister dst, Address src); 1736 void ucomisd(XMMRegister dst, XMMRegister src); 1737 1738 // Unordered Compare Scalar Single-Precision Floating-Point Values and set EFLAGS 1739 void ucomiss(XMMRegister dst, Address src); 1740 void ucomiss(XMMRegister dst, XMMRegister src); 1741 1742 void xabort(int8_t imm8); 1743 1744 void xaddl(Address dst, Register src); 1745 1746 void xaddq(Address dst, Register src); 1747 1748 void xbegin(Label& abort, relocInfo::relocType rtype = relocInfo::none); 1749 1750 void xchgl(Register reg, Address adr); 1751 void xchgl(Register dst, Register src); 1752 1753 void xchgq(Register reg, Address adr); 1754 void xchgq(Register dst, Register src); 1755 1756 void xend(); 1757 1758 // Get Value of Extended Control Register 1759 void xgetbv(); 1760 1761 void xorl(Register dst, int32_t imm32); 1762 void xorl(Register dst, Address src); 1763 void xorl(Register dst, Register src); 1764 1765 void xorq(Register dst, Address src); 1766 void xorq(Register dst, Register src); 1767 1768 void set_byte_if_not_zero(Register dst); // sets reg to 1 if not zero, otherwise 0 1769 1770 // AVX 3-operands scalar instructions (encoded with VEX prefix) 1771 1772 void vaddsd(XMMRegister dst, XMMRegister nds, Address src); 1773 void vaddsd(XMMRegister dst, XMMRegister nds, XMMRegister src); 1774 void vaddss(XMMRegister dst, XMMRegister nds, Address src); 1775 void vaddss(XMMRegister dst, XMMRegister nds, XMMRegister src); 1776 void vdivsd(XMMRegister dst, XMMRegister nds, Address src); 1777 void vdivsd(XMMRegister dst, XMMRegister nds, XMMRegister src); 1778 void vdivss(XMMRegister dst, XMMRegister nds, Address src); 1779 void vdivss(XMMRegister dst, XMMRegister nds, XMMRegister src); 1780 void vmulsd(XMMRegister dst, XMMRegister nds, Address src); 1781 void vmulsd(XMMRegister dst, XMMRegister nds, XMMRegister src); 1782 void vmulss(XMMRegister dst, XMMRegister nds, Address src); 1783 void vmulss(XMMRegister dst, XMMRegister nds, XMMRegister src); 1784 void vsubsd(XMMRegister dst, XMMRegister nds, Address src); 1785 void vsubsd(XMMRegister dst, XMMRegister nds, XMMRegister src); 1786 void vsubss(XMMRegister dst, XMMRegister nds, Address src); 1787 void vsubss(XMMRegister dst, XMMRegister nds, XMMRegister src); 1788 1789 1790 //====================VECTOR ARITHMETIC===================================== 1791 1792 // Add Packed Floating-Point Values 1793 void addpd(XMMRegister dst, XMMRegister src); 1794 void addpd(XMMRegister dst, Address src); 1795 void addps(XMMRegister dst, XMMRegister src); 1796 void vaddpd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1797 void vaddps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1798 void vaddpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1799 void vaddps(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1800 1801 // Subtract Packed Floating-Point Values 1802 void subpd(XMMRegister dst, XMMRegister src); 1803 void subps(XMMRegister dst, XMMRegister src); 1804 void vsubpd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1805 void vsubps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1806 void vsubpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1807 void vsubps(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1808 1809 // Multiply Packed Floating-Point Values 1810 void mulpd(XMMRegister dst, XMMRegister src); 1811 void mulpd(XMMRegister dst, Address src); 1812 void mulps(XMMRegister dst, XMMRegister src); 1813 void vmulpd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1814 void vmulps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1815 void vmulpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1816 void vmulps(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1817 1818 // Divide Packed Floating-Point Values 1819 void divpd(XMMRegister dst, XMMRegister src); 1820 void divps(XMMRegister dst, XMMRegister src); 1821 void vdivpd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1822 void vdivps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1823 void vdivpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1824 void vdivps(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1825 1826 // Sqrt Packed Floating-Point Values - Double precision only 1827 void vsqrtpd(XMMRegister dst, XMMRegister src, int vector_len); 1828 void vsqrtpd(XMMRegister dst, Address src, int vector_len); 1829 1830 // Bitwise Logical AND of Packed Floating-Point Values 1831 void andpd(XMMRegister dst, XMMRegister src); 1832 void andps(XMMRegister dst, XMMRegister src); 1833 void vandpd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1834 void vandps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1835 void vandpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1836 void vandps(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1837 1838 void unpckhpd(XMMRegister dst, XMMRegister src); 1839 void unpcklpd(XMMRegister dst, XMMRegister src); 1840 1841 // Bitwise Logical XOR of Packed Floating-Point Values 1842 void xorpd(XMMRegister dst, XMMRegister src); 1843 void xorps(XMMRegister dst, XMMRegister src); 1844 void vxorpd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1845 void vxorps(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1846 void vxorpd(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1847 void vxorps(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1848 1849 // Add horizontal packed integers 1850 void vphaddw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1851 void vphaddd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1852 void phaddw(XMMRegister dst, XMMRegister src); 1853 void phaddd(XMMRegister dst, XMMRegister src); 1854 1855 // Add packed integers 1856 void paddb(XMMRegister dst, XMMRegister src); 1857 void paddw(XMMRegister dst, XMMRegister src); 1858 void paddd(XMMRegister dst, XMMRegister src); 1859 void paddq(XMMRegister dst, XMMRegister src); 1860 void vpaddb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1861 void vpaddw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1862 void vpaddd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1863 void vpaddq(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1864 void vpaddb(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1865 void vpaddw(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1866 void vpaddd(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1867 void vpaddq(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1868 1869 // Sub packed integers 1870 void psubb(XMMRegister dst, XMMRegister src); 1871 void psubw(XMMRegister dst, XMMRegister src); 1872 void psubd(XMMRegister dst, XMMRegister src); 1873 void psubq(XMMRegister dst, XMMRegister src); 1874 void vpsubb(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1875 void vpsubw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1876 void vpsubd(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1877 void vpsubq(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1878 void vpsubb(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1879 void vpsubw(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1880 void vpsubd(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1881 void vpsubq(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1882 1883 // Multiply packed integers (only shorts and ints) 1884 void pmullw(XMMRegister dst, XMMRegister src); 1885 void pmulld(XMMRegister dst, XMMRegister src); 1886 void vpmullw(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1887 void vpmulld(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1888 void vpmullq(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1889 void vpmullw(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1890 void vpmulld(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1891 void vpmullq(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1892 1893 // Shift left packed integers 1894 void psllw(XMMRegister dst, int shift); 1895 void pslld(XMMRegister dst, int shift); 1896 void psllq(XMMRegister dst, int shift); 1897 void psllw(XMMRegister dst, XMMRegister shift); 1898 void pslld(XMMRegister dst, XMMRegister shift); 1899 void psllq(XMMRegister dst, XMMRegister shift); 1900 void vpsllw(XMMRegister dst, XMMRegister src, int shift, int vector_len); 1901 void vpslld(XMMRegister dst, XMMRegister src, int shift, int vector_len); 1902 void vpsllq(XMMRegister dst, XMMRegister src, int shift, int vector_len); 1903 void vpsllw(XMMRegister dst, XMMRegister src, XMMRegister shift, int vector_len); 1904 void vpslld(XMMRegister dst, XMMRegister src, XMMRegister shift, int vector_len); 1905 void vpsllq(XMMRegister dst, XMMRegister src, XMMRegister shift, int vector_len); 1906 1907 // Logical shift right packed integers 1908 void psrlw(XMMRegister dst, int shift); 1909 void psrld(XMMRegister dst, int shift); 1910 void psrlq(XMMRegister dst, int shift); 1911 void psrlw(XMMRegister dst, XMMRegister shift); 1912 void psrld(XMMRegister dst, XMMRegister shift); 1913 void psrlq(XMMRegister dst, XMMRegister shift); 1914 void vpsrlw(XMMRegister dst, XMMRegister src, int shift, int vector_len); 1915 void vpsrld(XMMRegister dst, XMMRegister src, int shift, int vector_len); 1916 void vpsrlq(XMMRegister dst, XMMRegister src, int shift, int vector_len); 1917 void vpsrlw(XMMRegister dst, XMMRegister src, XMMRegister shift, int vector_len); 1918 void vpsrld(XMMRegister dst, XMMRegister src, XMMRegister shift, int vector_len); 1919 void vpsrlq(XMMRegister dst, XMMRegister src, XMMRegister shift, int vector_len); 1920 1921 // Arithmetic shift right packed integers (only shorts and ints, no instructions for longs) 1922 void psraw(XMMRegister dst, int shift); 1923 void psrad(XMMRegister dst, int shift); 1924 void psraw(XMMRegister dst, XMMRegister shift); 1925 void psrad(XMMRegister dst, XMMRegister shift); 1926 void vpsraw(XMMRegister dst, XMMRegister src, int shift, int vector_len); 1927 void vpsrad(XMMRegister dst, XMMRegister src, int shift, int vector_len); 1928 void vpsraw(XMMRegister dst, XMMRegister src, XMMRegister shift, int vector_len); 1929 void vpsrad(XMMRegister dst, XMMRegister src, XMMRegister shift, int vector_len); 1930 1931 // And packed integers 1932 void pand(XMMRegister dst, XMMRegister src); 1933 void vpand(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1934 void vpand(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1935 1936 // Andn packed integers 1937 void pandn(XMMRegister dst, XMMRegister src); 1938 1939 // Or packed integers 1940 void por(XMMRegister dst, XMMRegister src); 1941 void vpor(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1942 void vpor(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1943 1944 // Xor packed integers 1945 void pxor(XMMRegister dst, XMMRegister src); 1946 void vpxor(XMMRegister dst, XMMRegister nds, XMMRegister src, int vector_len); 1947 void vpxor(XMMRegister dst, XMMRegister nds, Address src, int vector_len); 1948 1949 // Copy low 128bit into high 128bit of YMM registers. 1950 void vinsertf128h(XMMRegister dst, XMMRegister nds, XMMRegister src); 1951 void vinserti128h(XMMRegister dst, XMMRegister nds, XMMRegister src); 1952 void vextractf128h(XMMRegister dst, XMMRegister src); 1953 void vextracti128h(XMMRegister dst, XMMRegister src); 1954 1955 // Load/store high 128bit of YMM registers which does not destroy other half. 1956 void vinsertf128h(XMMRegister dst, Address src); 1957 void vinserti128h(XMMRegister dst, Address src); 1958 void vextractf128h(Address dst, XMMRegister src); 1959 void vextracti128h(Address dst, XMMRegister src); 1960 1961 // Copy low 256bit into high 256bit of ZMM registers. 1962 void vinserti64x4h(XMMRegister dst, XMMRegister nds, XMMRegister src, int value); 1963 void vinsertf64x4h(XMMRegister dst, XMMRegister nds, XMMRegister src, int value); 1964 void vextracti64x4h(XMMRegister dst, XMMRegister src, int value); 1965 void vextractf64x4h(XMMRegister dst, XMMRegister src, int value); 1966 void vextractf64x4h(Address dst, XMMRegister src, int value); 1967 void vinsertf64x4h(XMMRegister dst, Address src, int value); 1968 1969 // Copy targeted 128bit segments of the ZMM registers 1970 void vextracti64x2h(XMMRegister dst, XMMRegister src, int value); 1971 void vextractf64x2h(XMMRegister dst, XMMRegister src, int value); 1972 void vextractf32x4h(XMMRegister dst, XMMRegister src, int value); 1973 void vextractf32x4h(Address dst, XMMRegister src, int value); 1974 void vinsertf32x4h(XMMRegister dst, XMMRegister nds, XMMRegister src, int value); 1975 void vinsertf32x4h(XMMRegister dst, Address src, int value); 1976 1977 // duplicate 4-bytes integer data from src into 8 locations in dest 1978 void vpbroadcastd(XMMRegister dst, XMMRegister src); 1979 1980 // duplicate 2-bytes integer data from src into 16 locations in dest 1981 void vpbroadcastw(XMMRegister dst, XMMRegister src); 1982 1983 // duplicate n-bytes integer data from src into vector_len locations in dest 1984 void evpbroadcastb(XMMRegister dst, XMMRegister src, int vector_len); 1985 void evpbroadcastb(XMMRegister dst, Address src, int vector_len); 1986 void evpbroadcastw(XMMRegister dst, XMMRegister src, int vector_len); 1987 void evpbroadcastw(XMMRegister dst, Address src, int vector_len); 1988 void evpbroadcastd(XMMRegister dst, XMMRegister src, int vector_len); 1989 void evpbroadcastd(XMMRegister dst, Address src, int vector_len); 1990 void evpbroadcastq(XMMRegister dst, XMMRegister src, int vector_len); 1991 void evpbroadcastq(XMMRegister dst, Address src, int vector_len); 1992 1993 void evpbroadcastss(XMMRegister dst, XMMRegister src, int vector_len); 1994 void evpbroadcastss(XMMRegister dst, Address src, int vector_len); 1995 void evpbroadcastsd(XMMRegister dst, XMMRegister src, int vector_len); 1996 void evpbroadcastsd(XMMRegister dst, Address src, int vector_len); 1997 1998 void evpbroadcastb(XMMRegister dst, Register src, int vector_len); 1999 void evpbroadcastw(XMMRegister dst, Register src, int vector_len); 2000 void evpbroadcastd(XMMRegister dst, Register src, int vector_len); 2001 void evpbroadcastq(XMMRegister dst, Register src, int vector_len); 2002 2003 // Carry-Less Multiplication Quadword 2004 void pclmulqdq(XMMRegister dst, XMMRegister src, int mask); 2005 void vpclmulqdq(XMMRegister dst, XMMRegister nds, XMMRegister src, int mask); 2006 2007 // AVX instruction which is used to clear upper 128 bits of YMM registers and 2008 // to avoid transaction penalty between AVX and SSE states. There is no 2009 // penalty if legacy SSE instructions are encoded using VEX prefix because 2010 // they always clear upper 128 bits. It should be used before calling 2011 // runtime code and native libraries. 2012 void vzeroupper(); 2013 2014 // AVX support for vectorized conditional move (double). The following two instructions used only coupled. 2015 void cmppd(XMMRegister dst, XMMRegister nds, XMMRegister src, int cop, int vector_len); 2016 void vpblendd(XMMRegister dst, XMMRegister nds, XMMRegister src1, XMMRegister src2, int vector_len); 2017 2018 2019 protected: 2020 // Next instructions require address alignment 16 bytes SSE mode. 2021 // They should be called only from corresponding MacroAssembler instructions. 2022 void andpd(XMMRegister dst, Address src); 2023 void andps(XMMRegister dst, Address src); 2024 void xorpd(XMMRegister dst, Address src); 2025 void xorps(XMMRegister dst, Address src); 2026 2027 }; 2028 2029 // The Intel x86/Amd64 Assembler attributes: All fields enclosed here are to guide encoding level decisions. 2030 // Specific set functions are for specialized use, else defaults or whatever was supplied to object construction 2031 // are applied. 2032 class InstructionAttr { 2033 public: 2034 InstructionAttr( 2035 int vector_len, 2036 bool rex_vex_w, 2037 bool legacy_mode, 2038 bool no_reg_mask, 2039 bool uses_vl) 2040 : 2041 _avx_vector_len(vector_len), 2042 _rex_vex_w(rex_vex_w), 2043 _legacy_mode(legacy_mode), 2044 _no_reg_mask(no_reg_mask), 2045 _uses_vl(uses_vl), 2046 _tuple_type(Assembler::EVEX_ETUP), 2047 _input_size_in_bits(Assembler::EVEX_NObit), 2048 _is_evex_instruction(false), 2049 _evex_encoding(0), 2050 _is_clear_context(false), 2051 _is_extended_context(false), 2052 _current_assembler(NULL) { 2053 if (UseAVX < 3) _legacy_mode = true; 2054 } 2055 2056 ~InstructionAttr() { 2057 if (_current_assembler != NULL) { 2058 _current_assembler->clear_attributes(); 2059 } 2060 _current_assembler = NULL; 2061 } 2062 2063 private: 2064 int _avx_vector_len; 2065 bool _rex_vex_w; 2066 bool _legacy_mode; 2067 bool _no_reg_mask; 2068 bool _uses_vl; 2069 int _tuple_type; 2070 int _input_size_in_bits; 2071 bool _is_evex_instruction; 2072 int _evex_encoding; 2073 bool _is_clear_context; 2074 bool _is_extended_context; 2075 2076 Assembler *_current_assembler; 2077 2078 public: 2079 // query functions for field accessors 2080 int get_vector_len(void) const { return _avx_vector_len; } 2081 bool is_rex_vex_w(void) const { return _rex_vex_w; } 2082 bool is_legacy_mode(void) const { return _legacy_mode; } 2083 bool is_no_reg_mask(void) const { return _no_reg_mask; } 2084 bool uses_vl(void) const { return _uses_vl; } 2085 int get_tuple_type(void) const { return _tuple_type; } 2086 int get_input_size(void) const { return _input_size_in_bits; } 2087 int is_evex_instruction(void) const { return _is_evex_instruction; } 2088 int get_evex_encoding(void) const { return _evex_encoding; } 2089 bool is_clear_context(void) const { return _is_clear_context; } 2090 bool is_extended_context(void) const { return _is_extended_context; } 2091 2092 // Set the vector len manually 2093 void set_vector_len(int vector_len) { _avx_vector_len = vector_len; } 2094 2095 // Set the instruction to be encoded in AVX mode 2096 void set_is_legacy_mode(void) { _legacy_mode = true; } 2097 2098 // Set the current instuction to be encoded as an EVEX instuction 2099 void set_is_evex_instruction(void) { _is_evex_instruction = true; } 2100 2101 // Internal encoding data used in compressed immediate offset programming 2102 void set_evex_encoding(int value) { _evex_encoding = value; } 2103 2104 // Set the Evex.Z field to be used to clear all non directed XMM/YMM/ZMM components 2105 void set_is_clear_context(void) { _is_clear_context = true; } 2106 2107 // Map back to current asembler so that we can manage object level assocation 2108 void set_current_assembler(Assembler *current_assembler) { _current_assembler = current_assembler; } 2109 2110 // Address modifiers used for compressed displacement calculation 2111 void set_address_attributes(int tuple_type, int input_size_in_bits) { 2112 if (VM_Version::supports_evex()) { 2113 _tuple_type = tuple_type; 2114 _input_size_in_bits = input_size_in_bits; 2115 } 2116 } 2117 2118 }; 2119 2120 #endif // CPU_X86_VM_ASSEMBLER_X86_HPP