1 /* 2 * Copyright (c) 1997, 2013, 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 SHARE_VM_OPTO_TYPE_HPP 26 #define SHARE_VM_OPTO_TYPE_HPP 27 28 #include "libadt/port.hpp" 29 #include "opto/adlcVMDeps.hpp" 30 #include "runtime/handles.hpp" 31 32 // Portions of code courtesy of Clifford Click 33 34 // Optimization - Graph Style 35 36 37 // This class defines a Type lattice. The lattice is used in the constant 38 // propagation algorithms, and for some type-checking of the iloc code. 39 // Basic types include RSD's (lower bound, upper bound, stride for integers), 40 // float & double precision constants, sets of data-labels and code-labels. 41 // The complete lattice is described below. Subtypes have no relationship to 42 // up or down in the lattice; that is entirely determined by the behavior of 43 // the MEET/JOIN functions. 44 45 class Dict; 46 class Type; 47 class TypeD; 48 class TypeF; 49 class TypeInt; 50 class TypeLong; 51 class TypeNarrowPtr; 52 class TypeNarrowOop; 53 class TypeNarrowKlass; 54 class TypeAry; 55 class TypeTuple; 56 class TypeVect; 57 class TypeVectS; 58 class TypeVectD; 59 class TypeVectX; 60 class TypeVectY; 61 class TypePtr; 62 class TypeRawPtr; 63 class TypeOopPtr; 64 class TypeInstPtr; 65 class TypeAryPtr; 66 class TypeKlassPtr; 67 class TypeMetadataPtr; 68 69 //------------------------------Type------------------------------------------- 70 // Basic Type object, represents a set of primitive Values. 71 // Types are hash-cons'd into a private class dictionary, so only one of each 72 // different kind of Type exists. Types are never modified after creation, so 73 // all their interesting fields are constant. 74 class Type { 75 friend class VMStructs; 76 77 public: 78 enum TYPES { 79 Bad=0, // Type check 80 Control, // Control of code (not in lattice) 81 Top, // Top of the lattice 82 Int, // Integer range (lo-hi) 83 Long, // Long integer range (lo-hi) 84 Half, // Placeholder half of doubleword 85 NarrowOop, // Compressed oop pointer 86 NarrowKlass, // Compressed klass pointer 87 88 Tuple, // Method signature or object layout 89 Array, // Array types 90 VectorS, // 32bit Vector types 91 VectorD, // 64bit Vector types 92 VectorX, // 128bit Vector types 93 VectorY, // 256bit Vector types 94 95 AnyPtr, // Any old raw, klass, inst, or array pointer 96 RawPtr, // Raw (non-oop) pointers 97 OopPtr, // Any and all Java heap entities 98 InstPtr, // Instance pointers (non-array objects) 99 AryPtr, // Array pointers 100 // (Ptr order matters: See is_ptr, isa_ptr, is_oopptr, isa_oopptr.) 101 102 MetadataPtr, // Generic metadata 103 KlassPtr, // Klass pointers 104 105 Function, // Function signature 106 Abio, // Abstract I/O 107 Return_Address, // Subroutine return address 108 Memory, // Abstract store 109 FloatTop, // No float value 110 FloatCon, // Floating point constant 111 FloatBot, // Any float value 112 DoubleTop, // No double value 113 DoubleCon, // Double precision constant 114 DoubleBot, // Any double value 115 Bottom, // Bottom of lattice 116 lastype // Bogus ending type (not in lattice) 117 }; 118 119 // Signal values for offsets from a base pointer 120 enum OFFSET_SIGNALS { 121 OffsetTop = -2000000000, // undefined offset 122 OffsetBot = -2000000001 // any possible offset 123 }; 124 125 // Min and max WIDEN values. 126 enum WIDEN { 127 WidenMin = 0, 128 WidenMax = 3 129 }; 130 131 private: 132 typedef struct { 133 const TYPES dual_type; 134 const BasicType basic_type; 135 const char* msg; 136 const bool isa_oop; 137 const int ideal_reg; 138 const relocInfo::relocType reloc; 139 } TypeInfo; 140 141 // Dictionary of types shared among compilations. 142 static Dict* _shared_type_dict; 143 static TypeInfo _type_info[]; 144 145 static int uhash( const Type *const t ); 146 // Structural equality check. Assumes that cmp() has already compared 147 // the _base types and thus knows it can cast 't' appropriately. 148 virtual bool eq( const Type *t ) const; 149 150 // Top-level hash-table of types 151 static Dict *type_dict() { 152 return Compile::current()->type_dict(); 153 } 154 155 // DUAL operation: reflect around lattice centerline. Used instead of 156 // join to ensure my lattice is symmetric up and down. Dual is computed 157 // lazily, on demand, and cached in _dual. 158 const Type *_dual; // Cached dual value 159 // Table for efficient dualing of base types 160 static const TYPES dual_type[lastype]; 161 162 #ifdef ASSERT 163 // One type is interface, the other is oop 164 virtual bool interface_vs_oop_helper(const Type *t) const; 165 #endif 166 167 const Type *meet_helper(const Type *t, bool include_speculative) const; 168 169 protected: 170 // Each class of type is also identified by its base. 171 const TYPES _base; // Enum of Types type 172 173 Type( TYPES t ) : _dual(NULL), _base(t) {} // Simple types 174 // ~Type(); // Use fast deallocation 175 const Type *hashcons(); // Hash-cons the type 176 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 177 const Type *join_helper(const Type *t, bool include_speculative) const { 178 return dual()->meet_helper(t->dual(), include_speculative)->dual(); 179 } 180 181 public: 182 183 inline void* operator new( size_t x ) throw() { 184 Compile* compile = Compile::current(); 185 compile->set_type_last_size(x); 186 void *temp = compile->type_arena()->Amalloc_D(x); 187 compile->set_type_hwm(temp); 188 return temp; 189 } 190 inline void operator delete( void* ptr ) { 191 Compile* compile = Compile::current(); 192 compile->type_arena()->Afree(ptr,compile->type_last_size()); 193 } 194 195 // Initialize the type system for a particular compilation. 196 static void Initialize(Compile* compile); 197 198 // Initialize the types shared by all compilations. 199 static void Initialize_shared(Compile* compile); 200 201 TYPES base() const { 202 assert(_base > Bad && _base < lastype, "sanity"); 203 return _base; 204 } 205 206 // Create a new hash-consd type 207 static const Type *make(enum TYPES); 208 // Test for equivalence of types 209 static int cmp( const Type *const t1, const Type *const t2 ); 210 // Test for higher or equal in lattice 211 // Variant that drops the speculative part of the types 212 bool higher_equal(const Type *t) const { 213 return !cmp(meet(t),t->remove_speculative()); 214 } 215 // Variant that keeps the speculative part of the types 216 bool higher_equal_speculative(const Type *t) const { 217 return !cmp(meet_speculative(t),t); 218 } 219 220 // MEET operation; lower in lattice. 221 // Variant that drops the speculative part of the types 222 const Type *meet(const Type *t) const { 223 return meet_helper(t, false); 224 } 225 // Variant that keeps the speculative part of the types 226 const Type *meet_speculative(const Type *t) const { 227 return meet_helper(t, true); 228 } 229 // WIDEN: 'widens' for Ints and other range types 230 virtual const Type *widen( const Type *old, const Type* limit ) const { return this; } 231 // NARROW: complement for widen, used by pessimistic phases 232 virtual const Type *narrow( const Type *old ) const { return this; } 233 234 // DUAL operation: reflect around lattice centerline. Used instead of 235 // join to ensure my lattice is symmetric up and down. 236 const Type *dual() const { return _dual; } 237 238 // Compute meet dependent on base type 239 virtual const Type *xmeet( const Type *t ) const; 240 virtual const Type *xdual() const; // Compute dual right now. 241 242 // JOIN operation; higher in lattice. Done by finding the dual of the 243 // meet of the dual of the 2 inputs. 244 // Variant that drops the speculative part of the types 245 const Type *join(const Type *t) const { 246 return join_helper(t, false); 247 } 248 // Variant that keeps the speculative part of the types 249 const Type *join_speculative(const Type *t) const { 250 return join_helper(t, true); 251 } 252 253 // Modified version of JOIN adapted to the needs Node::Value. 254 // Normalizes all empty values to TOP. Does not kill _widen bits. 255 // Currently, it also works around limitations involving interface types. 256 // Variant that drops the speculative part of the types 257 const Type *filter(const Type *kills) const { 258 return filter_helper(kills, false); 259 } 260 // Variant that keeps the speculative part of the types 261 const Type *filter_speculative(const Type *kills) const { 262 return filter_helper(kills, true); 263 } 264 265 #ifdef ASSERT 266 // One type is interface, the other is oop 267 virtual bool interface_vs_oop(const Type *t) const; 268 #endif 269 270 // Returns true if this pointer points at memory which contains a 271 // compressed oop references. 272 bool is_ptr_to_narrowoop() const; 273 bool is_ptr_to_narrowklass() const; 274 275 bool is_ptr_to_boxing_obj() const; 276 277 278 // Convenience access 279 float getf() const; 280 double getd() const; 281 282 const TypeInt *is_int() const; 283 const TypeInt *isa_int() const; // Returns NULL if not an Int 284 const TypeLong *is_long() const; 285 const TypeLong *isa_long() const; // Returns NULL if not a Long 286 const TypeD *isa_double() const; // Returns NULL if not a Double{Top,Con,Bot} 287 const TypeD *is_double_constant() const; // Asserts it is a DoubleCon 288 const TypeD *isa_double_constant() const; // Returns NULL if not a DoubleCon 289 const TypeF *isa_float() const; // Returns NULL if not a Float{Top,Con,Bot} 290 const TypeF *is_float_constant() const; // Asserts it is a FloatCon 291 const TypeF *isa_float_constant() const; // Returns NULL if not a FloatCon 292 const TypeTuple *is_tuple() const; // Collection of fields, NOT a pointer 293 const TypeAry *is_ary() const; // Array, NOT array pointer 294 const TypeVect *is_vect() const; // Vector 295 const TypeVect *isa_vect() const; // Returns NULL if not a Vector 296 const TypePtr *is_ptr() const; // Asserts it is a ptr type 297 const TypePtr *isa_ptr() const; // Returns NULL if not ptr type 298 const TypeRawPtr *isa_rawptr() const; // NOT Java oop 299 const TypeRawPtr *is_rawptr() const; // Asserts is rawptr 300 const TypeNarrowOop *is_narrowoop() const; // Java-style GC'd pointer 301 const TypeNarrowOop *isa_narrowoop() const; // Returns NULL if not oop ptr type 302 const TypeNarrowKlass *is_narrowklass() const; // compressed klass pointer 303 const TypeNarrowKlass *isa_narrowklass() const;// Returns NULL if not oop ptr type 304 const TypeOopPtr *isa_oopptr() const; // Returns NULL if not oop ptr type 305 const TypeOopPtr *is_oopptr() const; // Java-style GC'd pointer 306 const TypeInstPtr *isa_instptr() const; // Returns NULL if not InstPtr 307 const TypeInstPtr *is_instptr() const; // Instance 308 const TypeAryPtr *isa_aryptr() const; // Returns NULL if not AryPtr 309 const TypeAryPtr *is_aryptr() const; // Array oop 310 311 const TypeMetadataPtr *isa_metadataptr() const; // Returns NULL if not oop ptr type 312 const TypeMetadataPtr *is_metadataptr() const; // Java-style GC'd pointer 313 const TypeKlassPtr *isa_klassptr() const; // Returns NULL if not KlassPtr 314 const TypeKlassPtr *is_klassptr() const; // assert if not KlassPtr 315 316 virtual bool is_finite() const; // Has a finite value 317 virtual bool is_nan() const; // Is not a number (NaN) 318 319 // Returns this ptr type or the equivalent ptr type for this compressed pointer. 320 const TypePtr* make_ptr() const; 321 322 // Returns this oopptr type or the equivalent oopptr type for this compressed pointer. 323 // Asserts if the underlying type is not an oopptr or narrowoop. 324 const TypeOopPtr* make_oopptr() const; 325 326 // Returns this compressed pointer or the equivalent compressed version 327 // of this pointer type. 328 const TypeNarrowOop* make_narrowoop() const; 329 330 // Returns this compressed klass pointer or the equivalent 331 // compressed version of this pointer type. 332 const TypeNarrowKlass* make_narrowklass() const; 333 334 // Special test for register pressure heuristic 335 bool is_floatingpoint() const; // True if Float or Double base type 336 337 // Do you have memory, directly or through a tuple? 338 bool has_memory( ) const; 339 340 // TRUE if type is a singleton 341 virtual bool singleton(void) const; 342 343 // TRUE if type is above the lattice centerline, and is therefore vacuous 344 virtual bool empty(void) const; 345 346 // Return a hash for this type. The hash function is public so ConNode 347 // (constants) can hash on their constant, which is represented by a Type. 348 virtual int hash() const; 349 350 // Map ideal registers (machine types) to ideal types 351 static const Type *mreg2type[]; 352 353 // Printing, statistics 354 #ifndef PRODUCT 355 void dump_on(outputStream *st) const; 356 void dump() const { 357 dump_on(tty); 358 } 359 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 360 static void dump_stats(); 361 #endif 362 void typerr(const Type *t) const; // Mixing types error 363 364 // Create basic type 365 static const Type* get_const_basic_type(BasicType type) { 366 assert((uint)type <= T_CONFLICT && _const_basic_type[type] != NULL, "bad type"); 367 return _const_basic_type[type]; 368 } 369 370 // For two instance arrays of same dimension, return the base element types. 371 // Otherwise or if the arrays have different dimensions, return NULL. 372 static void get_arrays_base_elements(const Type *a1, const Type *a2, 373 const TypeInstPtr **e1, const TypeInstPtr **e2); 374 375 // Mapping to the array element's basic type. 376 BasicType array_element_basic_type() const; 377 378 // Create standard type for a ciType: 379 static const Type* get_const_type(ciType* type); 380 381 // Create standard zero value: 382 static const Type* get_zero_type(BasicType type) { 383 assert((uint)type <= T_CONFLICT && _zero_type[type] != NULL, "bad type"); 384 return _zero_type[type]; 385 } 386 387 // Report if this is a zero value (not top). 388 bool is_zero_type() const { 389 BasicType type = basic_type(); 390 if (type == T_VOID || type >= T_CONFLICT) 391 return false; 392 else 393 return (this == _zero_type[type]); 394 } 395 396 // Convenience common pre-built types. 397 static const Type *ABIO; 398 static const Type *BOTTOM; 399 static const Type *CONTROL; 400 static const Type *DOUBLE; 401 static const Type *FLOAT; 402 static const Type *HALF; 403 static const Type *MEMORY; 404 static const Type *MULTI; 405 static const Type *RETURN_ADDRESS; 406 static const Type *TOP; 407 408 // Mapping from compiler type to VM BasicType 409 BasicType basic_type() const { return _type_info[_base].basic_type; } 410 int ideal_reg() const { return _type_info[_base].ideal_reg; } 411 const char* msg() const { return _type_info[_base].msg; } 412 bool isa_oop_ptr() const { return _type_info[_base].isa_oop; } 413 relocInfo::relocType reloc() const { return _type_info[_base].reloc; } 414 415 // Mapping from CI type system to compiler type: 416 static const Type* get_typeflow_type(ciType* type); 417 418 static const Type* make_from_constant(ciConstant constant, 419 bool require_constant = false, 420 bool is_autobox_cache = false); 421 422 // Speculative type. See TypeInstPtr 423 virtual const TypeOopPtr* speculative() const { return NULL; } 424 virtual ciKlass* speculative_type() const { return NULL; } 425 const Type* maybe_remove_speculative(bool include_speculative) const; 426 virtual const Type* remove_speculative() const { return this; } 427 428 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const { 429 return exact_kls != NULL; 430 } 431 432 private: 433 // support arrays 434 static const BasicType _basic_type[]; 435 static const Type* _zero_type[T_CONFLICT+1]; 436 static const Type* _const_basic_type[T_CONFLICT+1]; 437 }; 438 439 //------------------------------TypeF------------------------------------------ 440 // Class of Float-Constant Types. 441 class TypeF : public Type { 442 TypeF( float f ) : Type(FloatCon), _f(f) {}; 443 public: 444 virtual bool eq( const Type *t ) const; 445 virtual int hash() const; // Type specific hashing 446 virtual bool singleton(void) const; // TRUE if type is a singleton 447 virtual bool empty(void) const; // TRUE if type is vacuous 448 public: 449 const float _f; // Float constant 450 451 static const TypeF *make(float f); 452 453 virtual bool is_finite() const; // Has a finite value 454 virtual bool is_nan() const; // Is not a number (NaN) 455 456 virtual const Type *xmeet( const Type *t ) const; 457 virtual const Type *xdual() const; // Compute dual right now. 458 // Convenience common pre-built types. 459 static const TypeF *ZERO; // positive zero only 460 static const TypeF *ONE; 461 #ifndef PRODUCT 462 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 463 #endif 464 }; 465 466 //------------------------------TypeD------------------------------------------ 467 // Class of Double-Constant Types. 468 class TypeD : public Type { 469 TypeD( double d ) : Type(DoubleCon), _d(d) {}; 470 public: 471 virtual bool eq( const Type *t ) const; 472 virtual int hash() const; // Type specific hashing 473 virtual bool singleton(void) const; // TRUE if type is a singleton 474 virtual bool empty(void) const; // TRUE if type is vacuous 475 public: 476 const double _d; // Double constant 477 478 static const TypeD *make(double d); 479 480 virtual bool is_finite() const; // Has a finite value 481 virtual bool is_nan() const; // Is not a number (NaN) 482 483 virtual const Type *xmeet( const Type *t ) const; 484 virtual const Type *xdual() const; // Compute dual right now. 485 // Convenience common pre-built types. 486 static const TypeD *ZERO; // positive zero only 487 static const TypeD *ONE; 488 #ifndef PRODUCT 489 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 490 #endif 491 }; 492 493 //------------------------------TypeInt---------------------------------------- 494 // Class of integer ranges, the set of integers between a lower bound and an 495 // upper bound, inclusive. 496 class TypeInt : public Type { 497 TypeInt( jint lo, jint hi, int w ); 498 protected: 499 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 500 501 public: 502 typedef jint NativeType; 503 virtual bool eq( const Type *t ) const; 504 virtual int hash() const; // Type specific hashing 505 virtual bool singleton(void) const; // TRUE if type is a singleton 506 virtual bool empty(void) const; // TRUE if type is vacuous 507 const jint _lo, _hi; // Lower bound, upper bound 508 const short _widen; // Limit on times we widen this sucker 509 510 static const TypeInt *make(jint lo); 511 // must always specify w 512 static const TypeInt *make(jint lo, jint hi, int w); 513 514 // Check for single integer 515 int is_con() const { return _lo==_hi; } 516 bool is_con(int i) const { return is_con() && _lo == i; } 517 jint get_con() const { assert( is_con(), "" ); return _lo; } 518 519 virtual bool is_finite() const; // Has a finite value 520 521 virtual const Type *xmeet( const Type *t ) const; 522 virtual const Type *xdual() const; // Compute dual right now. 523 virtual const Type *widen( const Type *t, const Type* limit_type ) const; 524 virtual const Type *narrow( const Type *t ) const; 525 // Do not kill _widen bits. 526 // Convenience common pre-built types. 527 static const TypeInt *MINUS_1; 528 static const TypeInt *ZERO; 529 static const TypeInt *ONE; 530 static const TypeInt *BOOL; 531 static const TypeInt *CC; 532 static const TypeInt *CC_LT; // [-1] == MINUS_1 533 static const TypeInt *CC_GT; // [1] == ONE 534 static const TypeInt *CC_EQ; // [0] == ZERO 535 static const TypeInt *CC_LE; // [-1,0] 536 static const TypeInt *CC_GE; // [0,1] == BOOL (!) 537 static const TypeInt *BYTE; 538 static const TypeInt *UBYTE; 539 static const TypeInt *CHAR; 540 static const TypeInt *SHORT; 541 static const TypeInt *POS; 542 static const TypeInt *POS1; 543 static const TypeInt *INT; 544 static const TypeInt *SYMINT; // symmetric range [-max_jint..max_jint] 545 static const TypeInt *TYPE_DOMAIN; // alias for TypeInt::INT 546 547 static const TypeInt *as_self(const Type *t) { return t->is_int(); } 548 #ifndef PRODUCT 549 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 550 #endif 551 }; 552 553 554 //------------------------------TypeLong--------------------------------------- 555 // Class of long integer ranges, the set of integers between a lower bound and 556 // an upper bound, inclusive. 557 class TypeLong : public Type { 558 TypeLong( jlong lo, jlong hi, int w ); 559 protected: 560 // Do not kill _widen bits. 561 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 562 public: 563 typedef jlong NativeType; 564 virtual bool eq( const Type *t ) const; 565 virtual int hash() const; // Type specific hashing 566 virtual bool singleton(void) const; // TRUE if type is a singleton 567 virtual bool empty(void) const; // TRUE if type is vacuous 568 public: 569 const jlong _lo, _hi; // Lower bound, upper bound 570 const short _widen; // Limit on times we widen this sucker 571 572 static const TypeLong *make(jlong lo); 573 // must always specify w 574 static const TypeLong *make(jlong lo, jlong hi, int w); 575 576 // Check for single integer 577 int is_con() const { return _lo==_hi; } 578 bool is_con(int i) const { return is_con() && _lo == i; } 579 jlong get_con() const { assert( is_con(), "" ); return _lo; } 580 581 // Check for positive 32-bit value. 582 int is_positive_int() const { return _lo >= 0 && _hi <= (jlong)max_jint; } 583 584 virtual bool is_finite() const; // Has a finite value 585 586 587 virtual const Type *xmeet( const Type *t ) const; 588 virtual const Type *xdual() const; // Compute dual right now. 589 virtual const Type *widen( const Type *t, const Type* limit_type ) const; 590 virtual const Type *narrow( const Type *t ) const; 591 // Convenience common pre-built types. 592 static const TypeLong *MINUS_1; 593 static const TypeLong *ZERO; 594 static const TypeLong *ONE; 595 static const TypeLong *POS; 596 static const TypeLong *LONG; 597 static const TypeLong *INT; // 32-bit subrange [min_jint..max_jint] 598 static const TypeLong *UINT; // 32-bit unsigned [0..max_juint] 599 static const TypeLong *TYPE_DOMAIN; // alias for TypeLong::LONG 600 601 // static convenience methods. 602 static const TypeLong *as_self(const Type *t) { return t->is_long(); } 603 604 #ifndef PRODUCT 605 virtual void dump2( Dict &d, uint, outputStream *st ) const;// Specialized per-Type dumping 606 #endif 607 }; 608 609 //------------------------------TypeTuple-------------------------------------- 610 // Class of Tuple Types, essentially type collections for function signatures 611 // and class layouts. It happens to also be a fast cache for the HotSpot 612 // signature types. 613 class TypeTuple : public Type { 614 TypeTuple( uint cnt, const Type **fields ) : Type(Tuple), _cnt(cnt), _fields(fields) { } 615 public: 616 virtual bool eq( const Type *t ) const; 617 virtual int hash() const; // Type specific hashing 618 virtual bool singleton(void) const; // TRUE if type is a singleton 619 virtual bool empty(void) const; // TRUE if type is vacuous 620 621 public: 622 const uint _cnt; // Count of fields 623 const Type ** const _fields; // Array of field types 624 625 // Accessors: 626 uint cnt() const { return _cnt; } 627 const Type* field_at(uint i) const { 628 assert(i < _cnt, "oob"); 629 return _fields[i]; 630 } 631 void set_field_at(uint i, const Type* t) { 632 assert(i < _cnt, "oob"); 633 _fields[i] = t; 634 } 635 636 static const TypeTuple *make( uint cnt, const Type **fields ); 637 static const TypeTuple *make_range(ciSignature *sig); 638 static const TypeTuple *make_domain(ciInstanceKlass* recv, ciSignature *sig); 639 640 // Subroutine call type with space allocated for argument types 641 static const Type **fields( uint arg_cnt ); 642 643 virtual const Type *xmeet( const Type *t ) const; 644 virtual const Type *xdual() const; // Compute dual right now. 645 // Convenience common pre-built types. 646 static const TypeTuple *IFBOTH; 647 static const TypeTuple *IFFALSE; 648 static const TypeTuple *IFTRUE; 649 static const TypeTuple *IFNEITHER; 650 static const TypeTuple *LOOPBODY; 651 static const TypeTuple *MEMBAR; 652 static const TypeTuple *STORECONDITIONAL; 653 static const TypeTuple *START_I2C; 654 static const TypeTuple *INT_PAIR; 655 static const TypeTuple *LONG_PAIR; 656 static const TypeTuple *INT_CC_PAIR; 657 static const TypeTuple *LONG_CC_PAIR; 658 #ifndef PRODUCT 659 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping 660 #endif 661 }; 662 663 //------------------------------TypeAry---------------------------------------- 664 // Class of Array Types 665 class TypeAry : public Type { 666 TypeAry(const Type* elem, const TypeInt* size, bool stable) : Type(Array), 667 _elem(elem), _size(size), _stable(stable) {} 668 public: 669 virtual bool eq( const Type *t ) const; 670 virtual int hash() const; // Type specific hashing 671 virtual bool singleton(void) const; // TRUE if type is a singleton 672 virtual bool empty(void) const; // TRUE if type is vacuous 673 674 private: 675 const Type *_elem; // Element type of array 676 const TypeInt *_size; // Elements in array 677 const bool _stable; // Are elements @Stable? 678 friend class TypeAryPtr; 679 680 public: 681 static const TypeAry* make(const Type* elem, const TypeInt* size, bool stable = false); 682 683 virtual const Type *xmeet( const Type *t ) const; 684 virtual const Type *xdual() const; // Compute dual right now. 685 bool ary_must_be_exact() const; // true if arrays of such are never generic 686 virtual const Type* remove_speculative() const; 687 #ifdef ASSERT 688 // One type is interface, the other is oop 689 virtual bool interface_vs_oop(const Type *t) const; 690 #endif 691 #ifndef PRODUCT 692 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping 693 #endif 694 }; 695 696 //------------------------------TypeVect--------------------------------------- 697 // Class of Vector Types 698 class TypeVect : public Type { 699 const Type* _elem; // Vector's element type 700 const uint _length; // Elements in vector (power of 2) 701 702 protected: 703 TypeVect(TYPES t, const Type* elem, uint length) : Type(t), 704 _elem(elem), _length(length) {} 705 706 public: 707 const Type* element_type() const { return _elem; } 708 BasicType element_basic_type() const { return _elem->array_element_basic_type(); } 709 uint length() const { return _length; } 710 uint length_in_bytes() const { 711 return _length * type2aelembytes(element_basic_type()); 712 } 713 714 virtual bool eq(const Type *t) const; 715 virtual int hash() const; // Type specific hashing 716 virtual bool singleton(void) const; // TRUE if type is a singleton 717 virtual bool empty(void) const; // TRUE if type is vacuous 718 719 static const TypeVect *make(const BasicType elem_bt, uint length) { 720 // Use bottom primitive type. 721 return make(get_const_basic_type(elem_bt), length); 722 } 723 // Used directly by Replicate nodes to construct singleton vector. 724 static const TypeVect *make(const Type* elem, uint length); 725 726 virtual const Type *xmeet( const Type *t) const; 727 virtual const Type *xdual() const; // Compute dual right now. 728 729 static const TypeVect *VECTS; 730 static const TypeVect *VECTD; 731 static const TypeVect *VECTX; 732 static const TypeVect *VECTY; 733 734 #ifndef PRODUCT 735 virtual void dump2(Dict &d, uint, outputStream *st) const; // Specialized per-Type dumping 736 #endif 737 }; 738 739 class TypeVectS : public TypeVect { 740 friend class TypeVect; 741 TypeVectS(const Type* elem, uint length) : TypeVect(VectorS, elem, length) {} 742 }; 743 744 class TypeVectD : public TypeVect { 745 friend class TypeVect; 746 TypeVectD(const Type* elem, uint length) : TypeVect(VectorD, elem, length) {} 747 }; 748 749 class TypeVectX : public TypeVect { 750 friend class TypeVect; 751 TypeVectX(const Type* elem, uint length) : TypeVect(VectorX, elem, length) {} 752 }; 753 754 class TypeVectY : public TypeVect { 755 friend class TypeVect; 756 TypeVectY(const Type* elem, uint length) : TypeVect(VectorY, elem, length) {} 757 }; 758 759 //------------------------------TypePtr---------------------------------------- 760 // Class of machine Pointer Types: raw data, instances or arrays. 761 // If the _base enum is AnyPtr, then this refers to all of the above. 762 // Otherwise the _base will indicate which subset of pointers is affected, 763 // and the class will be inherited from. 764 class TypePtr : public Type { 765 friend class TypeNarrowPtr; 766 public: 767 enum PTR { TopPTR, AnyNull, Constant, Null, NotNull, BotPTR, lastPTR }; 768 protected: 769 TypePtr( TYPES t, PTR ptr, int offset ) : Type(t), _ptr(ptr), _offset(offset) {} 770 virtual bool eq( const Type *t ) const; 771 virtual int hash() const; // Type specific hashing 772 static const PTR ptr_meet[lastPTR][lastPTR]; 773 static const PTR ptr_dual[lastPTR]; 774 static const char * const ptr_msg[lastPTR]; 775 776 public: 777 const int _offset; // Offset into oop, with TOP & BOT 778 const PTR _ptr; // Pointer equivalence class 779 780 const int offset() const { return _offset; } 781 const PTR ptr() const { return _ptr; } 782 783 static const TypePtr *make( TYPES t, PTR ptr, int offset ); 784 785 // Return a 'ptr' version of this type 786 virtual const Type *cast_to_ptr_type(PTR ptr) const; 787 788 virtual intptr_t get_con() const; 789 790 int xadd_offset( intptr_t offset ) const; 791 virtual const TypePtr *add_offset( intptr_t offset ) const; 792 793 virtual bool singleton(void) const; // TRUE if type is a singleton 794 virtual bool empty(void) const; // TRUE if type is vacuous 795 virtual const Type *xmeet( const Type *t ) const; 796 int meet_offset( int offset ) const; 797 int dual_offset( ) const; 798 virtual const Type *xdual() const; // Compute dual right now. 799 800 // meet, dual and join over pointer equivalence sets 801 PTR meet_ptr( const PTR in_ptr ) const { return ptr_meet[in_ptr][ptr()]; } 802 PTR dual_ptr() const { return ptr_dual[ptr()]; } 803 804 // This is textually confusing unless one recalls that 805 // join(t) == dual()->meet(t->dual())->dual(). 806 PTR join_ptr( const PTR in_ptr ) const { 807 return ptr_dual[ ptr_meet[ ptr_dual[in_ptr] ] [ dual_ptr() ] ]; 808 } 809 810 // Tests for relation to centerline of type lattice: 811 static bool above_centerline(PTR ptr) { return (ptr <= AnyNull); } 812 static bool below_centerline(PTR ptr) { return (ptr >= NotNull); } 813 // Convenience common pre-built types. 814 static const TypePtr *NULL_PTR; 815 static const TypePtr *NOTNULL; 816 static const TypePtr *BOTTOM; 817 #ifndef PRODUCT 818 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 819 #endif 820 }; 821 822 //------------------------------TypeRawPtr------------------------------------- 823 // Class of raw pointers, pointers to things other than Oops. Examples 824 // include the stack pointer, top of heap, card-marking area, handles, etc. 825 class TypeRawPtr : public TypePtr { 826 protected: 827 TypeRawPtr( PTR ptr, address bits ) : TypePtr(RawPtr,ptr,0), _bits(bits){} 828 public: 829 virtual bool eq( const Type *t ) const; 830 virtual int hash() const; // Type specific hashing 831 832 const address _bits; // Constant value, if applicable 833 834 static const TypeRawPtr *make( PTR ptr ); 835 static const TypeRawPtr *make( address bits ); 836 837 // Return a 'ptr' version of this type 838 virtual const Type *cast_to_ptr_type(PTR ptr) const; 839 840 virtual intptr_t get_con() const; 841 842 virtual const TypePtr *add_offset( intptr_t offset ) const; 843 844 virtual const Type *xmeet( const Type *t ) const; 845 virtual const Type *xdual() const; // Compute dual right now. 846 // Convenience common pre-built types. 847 static const TypeRawPtr *BOTTOM; 848 static const TypeRawPtr *NOTNULL; 849 #ifndef PRODUCT 850 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 851 #endif 852 }; 853 854 //------------------------------TypeOopPtr------------------------------------- 855 // Some kind of oop (Java pointer), either klass or instance or array. 856 class TypeOopPtr : public TypePtr { 857 protected: 858 TypeOopPtr(TYPES t, PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id, const TypeOopPtr* speculative, int inline_depth); 859 public: 860 virtual bool eq( const Type *t ) const; 861 virtual int hash() const; // Type specific hashing 862 virtual bool singleton(void) const; // TRUE if type is a singleton 863 enum { 864 InstanceTop = -1, // undefined instance 865 InstanceBot = 0 // any possible instance 866 }; 867 protected: 868 869 enum { 870 InlineDepthBottom = INT_MAX, 871 InlineDepthTop = -InlineDepthBottom 872 }; 873 // Oop is NULL, unless this is a constant oop. 874 ciObject* _const_oop; // Constant oop 875 // If _klass is NULL, then so is _sig. This is an unloaded klass. 876 ciKlass* _klass; // Klass object 877 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.) 878 bool _klass_is_exact; 879 bool _is_ptr_to_narrowoop; 880 bool _is_ptr_to_narrowklass; 881 bool _is_ptr_to_boxed_value; 882 883 // If not InstanceTop or InstanceBot, indicates that this is 884 // a particular instance of this type which is distinct. 885 // This is the node index of the allocation node creating this instance. 886 int _instance_id; 887 888 // Extra type information profiling gave us. We propagate it the 889 // same way the rest of the type info is propagated. If we want to 890 // use it, then we have to emit a guard: this part of the type is 891 // not something we know but something we speculate about the type. 892 const TypeOopPtr* _speculative; 893 // For speculative types, we record at what inlining depth the 894 // profiling point that provided the data is. We want to favor 895 // profile data coming from outer scopes which are likely better for 896 // the current compilation. 897 int _inline_depth; 898 899 static const TypeOopPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact); 900 901 int dual_instance_id() const; 902 int meet_instance_id(int uid) const; 903 904 // utility methods to work on the speculative part of the type 905 const TypeOopPtr* dual_speculative() const; 906 const TypeOopPtr* xmeet_speculative(const TypeOopPtr* other) const; 907 bool eq_speculative(const TypeOopPtr* other) const; 908 int hash_speculative() const; 909 const TypeOopPtr* add_offset_speculative(intptr_t offset) const; 910 #ifndef PRODUCT 911 void dump_speculative(outputStream *st) const; 912 #endif 913 // utility methods to work on the inline depth of the type 914 int dual_inline_depth() const; 915 int meet_inline_depth(int depth) const; 916 #ifndef PRODUCT 917 void dump_inline_depth(outputStream *st) const; 918 #endif 919 920 // Do not allow interface-vs.-noninterface joins to collapse to top. 921 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 922 923 public: 924 // Creates a type given a klass. Correctly handles multi-dimensional arrays 925 // Respects UseUniqueSubclasses. 926 // If the klass is final, the resulting type will be exact. 927 static const TypeOopPtr* make_from_klass(ciKlass* klass) { 928 return make_from_klass_common(klass, true, false); 929 } 930 // Same as before, but will produce an exact type, even if 931 // the klass is not final, as long as it has exactly one implementation. 932 static const TypeOopPtr* make_from_klass_unique(ciKlass* klass) { 933 return make_from_klass_common(klass, true, true); 934 } 935 // Same as before, but does not respects UseUniqueSubclasses. 936 // Use this only for creating array element types. 937 static const TypeOopPtr* make_from_klass_raw(ciKlass* klass) { 938 return make_from_klass_common(klass, false, false); 939 } 940 // Creates a singleton type given an object. 941 // If the object cannot be rendered as a constant, 942 // may return a non-singleton type. 943 // If require_constant, produce a NULL if a singleton is not possible. 944 static const TypeOopPtr* make_from_constant(ciObject* o, 945 bool require_constant = false, 946 bool not_null_elements = false); 947 948 // Make a generic (unclassed) pointer to an oop. 949 static const TypeOopPtr* make(PTR ptr, int offset, int instance_id, const TypeOopPtr* speculative = NULL, int inline_depth = InlineDepthBottom); 950 951 ciObject* const_oop() const { return _const_oop; } 952 virtual ciKlass* klass() const { return _klass; } 953 bool klass_is_exact() const { return _klass_is_exact; } 954 955 // Returns true if this pointer points at memory which contains a 956 // compressed oop references. 957 bool is_ptr_to_narrowoop_nv() const { return _is_ptr_to_narrowoop; } 958 bool is_ptr_to_narrowklass_nv() const { return _is_ptr_to_narrowklass; } 959 bool is_ptr_to_boxed_value() const { return _is_ptr_to_boxed_value; } 960 bool is_known_instance() const { return _instance_id > 0; } 961 int instance_id() const { return _instance_id; } 962 bool is_known_instance_field() const { return is_known_instance() && _offset >= 0; } 963 virtual const TypeOopPtr* speculative() const { return _speculative; } 964 965 virtual intptr_t get_con() const; 966 967 virtual const Type *cast_to_ptr_type(PTR ptr) const; 968 969 virtual const Type *cast_to_exactness(bool klass_is_exact) const; 970 971 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const; 972 973 virtual const TypeOopPtr *cast_to_nonconst() const; 974 975 // corresponding pointer to klass, for a given instance 976 const TypeKlassPtr* as_klass_type() const; 977 978 virtual const TypePtr *add_offset( intptr_t offset ) const; 979 // Return same type without a speculative part 980 virtual const Type* remove_speculative() const; 981 982 virtual const Type *xmeet(const Type *t) const; 983 virtual const Type *xdual() const; // Compute dual right now. 984 // the core of the computation of the meet for TypeOopPtr and for its subclasses 985 virtual const Type *xmeet_helper(const Type *t) const; 986 987 // Convenience common pre-built type. 988 static const TypeOopPtr *BOTTOM; 989 #ifndef PRODUCT 990 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 991 #endif 992 993 // Return the speculative type if any 994 ciKlass* speculative_type() const { 995 if (_speculative != NULL) { 996 const TypeOopPtr* speculative = _speculative->join(this)->is_oopptr(); 997 if (speculative->klass_is_exact()) { 998 return speculative->klass(); 999 } 1000 } 1001 return NULL; 1002 } 1003 int inline_depth() const { 1004 return _inline_depth; 1005 } 1006 virtual const TypeOopPtr* with_inline_depth(int depth) const; 1007 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const; 1008 }; 1009 1010 //------------------------------TypeInstPtr------------------------------------ 1011 // Class of Java object pointers, pointing either to non-array Java instances 1012 // or to a Klass* (including array klasses). 1013 class TypeInstPtr : public TypeOopPtr { 1014 TypeInstPtr(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id, const TypeOopPtr* speculative, int inline_depth); 1015 virtual bool eq( const Type *t ) const; 1016 virtual int hash() const; // Type specific hashing 1017 1018 ciSymbol* _name; // class name 1019 1020 public: 1021 ciSymbol* name() const { return _name; } 1022 1023 bool is_loaded() const { return _klass->is_loaded(); } 1024 1025 // Make a pointer to a constant oop. 1026 static const TypeInstPtr *make(ciObject* o) { 1027 return make(TypePtr::Constant, o->klass(), true, o, 0, InstanceBot); 1028 } 1029 // Make a pointer to a constant oop with offset. 1030 static const TypeInstPtr *make(ciObject* o, int offset) { 1031 return make(TypePtr::Constant, o->klass(), true, o, offset, InstanceBot); 1032 } 1033 1034 // Make a pointer to some value of type klass. 1035 static const TypeInstPtr *make(PTR ptr, ciKlass* klass) { 1036 return make(ptr, klass, false, NULL, 0, InstanceBot); 1037 } 1038 1039 // Make a pointer to some non-polymorphic value of exactly type klass. 1040 static const TypeInstPtr *make_exact(PTR ptr, ciKlass* klass) { 1041 return make(ptr, klass, true, NULL, 0, InstanceBot); 1042 } 1043 1044 // Make a pointer to some value of type klass with offset. 1045 static const TypeInstPtr *make(PTR ptr, ciKlass* klass, int offset) { 1046 return make(ptr, klass, false, NULL, offset, InstanceBot); 1047 } 1048 1049 // Make a pointer to an oop. 1050 static const TypeInstPtr *make(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id = InstanceBot, const TypeOopPtr* speculative = NULL, int inline_depth = InlineDepthBottom); 1051 1052 /** Create constant type for a constant boxed value */ 1053 const Type* get_const_boxed_value() const; 1054 1055 // If this is a java.lang.Class constant, return the type for it or NULL. 1056 // Pass to Type::get_const_type to turn it to a type, which will usually 1057 // be a TypeInstPtr, but may also be a TypeInt::INT for int.class, etc. 1058 ciType* java_mirror_type() const; 1059 1060 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1061 1062 virtual const Type *cast_to_exactness(bool klass_is_exact) const; 1063 1064 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const; 1065 1066 virtual const TypeOopPtr *cast_to_nonconst() const; 1067 virtual const TypeInstPtr *cast_to_const(ciObject* const_oop) const; 1068 1069 virtual const TypePtr *add_offset( intptr_t offset ) const; 1070 // Return same type without a speculative part 1071 virtual const Type* remove_speculative() const; 1072 virtual const TypeOopPtr* with_inline_depth(int depth) const; 1073 1074 // the core of the computation of the meet of 2 types 1075 virtual const Type *xmeet_helper(const Type *t) const; 1076 virtual const TypeInstPtr *xmeet_unloaded( const TypeInstPtr *t ) const; 1077 virtual const Type *xdual() const; // Compute dual right now. 1078 1079 // Convenience common pre-built types. 1080 static const TypeInstPtr *NOTNULL; 1081 static const TypeInstPtr *BOTTOM; 1082 static const TypeInstPtr *MIRROR; 1083 static const TypeInstPtr *MARK; 1084 static const TypeInstPtr *KLASS; 1085 #ifndef PRODUCT 1086 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping 1087 #endif 1088 }; 1089 1090 //------------------------------TypeAryPtr------------------------------------- 1091 // Class of Java array pointers 1092 class TypeAryPtr : public TypeOopPtr { 1093 TypeAryPtr( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, 1094 int offset, int instance_id, bool is_autobox_cache, const TypeOopPtr* speculative, int inline_depth) 1095 : TypeOopPtr(AryPtr,ptr,k,xk,o,offset, instance_id, speculative, inline_depth), 1096 _ary(ary), 1097 _is_autobox_cache(is_autobox_cache) 1098 { 1099 #ifdef ASSERT 1100 if (k != NULL) { 1101 // Verify that specified klass and TypeAryPtr::klass() follow the same rules. 1102 ciKlass* ck = compute_klass(true); 1103 if (k != ck) { 1104 this->dump(); tty->cr(); 1105 tty->print(" k: "); 1106 k->print(); tty->cr(); 1107 tty->print("ck: "); 1108 if (ck != NULL) ck->print(); 1109 else tty->print("<NULL>"); 1110 tty->cr(); 1111 assert(false, "unexpected TypeAryPtr::_klass"); 1112 } 1113 } 1114 #endif 1115 } 1116 virtual bool eq( const Type *t ) const; 1117 virtual int hash() const; // Type specific hashing 1118 const TypeAry *_ary; // Array we point into 1119 const bool _is_autobox_cache; 1120 1121 ciKlass* compute_klass(DEBUG_ONLY(bool verify = false)) const; 1122 1123 public: 1124 // Accessors 1125 ciKlass* klass() const; 1126 const TypeAry* ary() const { return _ary; } 1127 const Type* elem() const { return _ary->_elem; } 1128 const TypeInt* size() const { return _ary->_size; } 1129 bool is_stable() const { return _ary->_stable; } 1130 1131 bool is_autobox_cache() const { return _is_autobox_cache; } 1132 1133 static const TypeAryPtr *make( PTR ptr, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id = InstanceBot, const TypeOopPtr* speculative = NULL, int inline_depth = InlineDepthBottom); 1134 // Constant pointer to array 1135 static const TypeAryPtr *make( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id = InstanceBot, const TypeOopPtr* speculative = NULL, int inline_depth = InlineDepthBottom, bool is_autobox_cache= false); 1136 1137 // Return a 'ptr' version of this type 1138 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1139 1140 virtual const Type *cast_to_exactness(bool klass_is_exact) const; 1141 1142 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const; 1143 1144 virtual const TypeOopPtr *cast_to_nonconst() const; 1145 1146 virtual const TypeAryPtr* cast_to_size(const TypeInt* size) const; 1147 virtual const TypeInt* narrow_size_type(const TypeInt* size) const; 1148 1149 virtual bool empty(void) const; // TRUE if type is vacuous 1150 virtual const TypePtr *add_offset( intptr_t offset ) const; 1151 // Return same type without a speculative part 1152 virtual const Type* remove_speculative() const; 1153 virtual const TypeOopPtr* with_inline_depth(int depth) const; 1154 1155 // the core of the computation of the meet of 2 types 1156 virtual const Type *xmeet_helper(const Type *t) const; 1157 virtual const Type *xdual() const; // Compute dual right now. 1158 1159 const TypeAryPtr* cast_to_stable(bool stable, int stable_dimension = 1) const; 1160 int stable_dimension() const; 1161 1162 // Convenience common pre-built types. 1163 static const TypeAryPtr *RANGE; 1164 static const TypeAryPtr *OOPS; 1165 static const TypeAryPtr *NARROWOOPS; 1166 static const TypeAryPtr *BYTES; 1167 static const TypeAryPtr *SHORTS; 1168 static const TypeAryPtr *CHARS; 1169 static const TypeAryPtr *INTS; 1170 static const TypeAryPtr *LONGS; 1171 static const TypeAryPtr *FLOATS; 1172 static const TypeAryPtr *DOUBLES; 1173 // selects one of the above: 1174 static const TypeAryPtr *get_array_body_type(BasicType elem) { 1175 assert((uint)elem <= T_CONFLICT && _array_body_type[elem] != NULL, "bad elem type"); 1176 return _array_body_type[elem]; 1177 } 1178 static const TypeAryPtr *_array_body_type[T_CONFLICT+1]; 1179 // sharpen the type of an int which is used as an array size 1180 #ifdef ASSERT 1181 // One type is interface, the other is oop 1182 virtual bool interface_vs_oop(const Type *t) const; 1183 #endif 1184 #ifndef PRODUCT 1185 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping 1186 #endif 1187 }; 1188 1189 //------------------------------TypeMetadataPtr------------------------------------- 1190 // Some kind of metadata, either Method*, MethodData* or CPCacheOop 1191 class TypeMetadataPtr : public TypePtr { 1192 protected: 1193 TypeMetadataPtr(PTR ptr, ciMetadata* metadata, int offset); 1194 // Do not allow interface-vs.-noninterface joins to collapse to top. 1195 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 1196 public: 1197 virtual bool eq( const Type *t ) const; 1198 virtual int hash() const; // Type specific hashing 1199 virtual bool singleton(void) const; // TRUE if type is a singleton 1200 1201 private: 1202 ciMetadata* _metadata; 1203 1204 public: 1205 static const TypeMetadataPtr* make(PTR ptr, ciMetadata* m, int offset); 1206 1207 static const TypeMetadataPtr* make(ciMethod* m); 1208 static const TypeMetadataPtr* make(ciMethodData* m); 1209 1210 ciMetadata* metadata() const { return _metadata; } 1211 1212 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1213 1214 virtual const TypePtr *add_offset( intptr_t offset ) const; 1215 1216 virtual const Type *xmeet( const Type *t ) const; 1217 virtual const Type *xdual() const; // Compute dual right now. 1218 1219 virtual intptr_t get_con() const; 1220 1221 // Convenience common pre-built types. 1222 static const TypeMetadataPtr *BOTTOM; 1223 1224 #ifndef PRODUCT 1225 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1226 #endif 1227 }; 1228 1229 //------------------------------TypeKlassPtr----------------------------------- 1230 // Class of Java Klass pointers 1231 class TypeKlassPtr : public TypePtr { 1232 TypeKlassPtr( PTR ptr, ciKlass* klass, int offset ); 1233 1234 protected: 1235 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 1236 public: 1237 virtual bool eq( const Type *t ) const; 1238 virtual int hash() const; // Type specific hashing 1239 virtual bool singleton(void) const; // TRUE if type is a singleton 1240 private: 1241 1242 static const TypeKlassPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact); 1243 1244 ciKlass* _klass; 1245 1246 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.) 1247 bool _klass_is_exact; 1248 1249 public: 1250 ciSymbol* name() const { return klass()->name(); } 1251 1252 ciKlass* klass() const { return _klass; } 1253 bool klass_is_exact() const { return _klass_is_exact; } 1254 1255 bool is_loaded() const { return klass()->is_loaded(); } 1256 1257 // Creates a type given a klass. Correctly handles multi-dimensional arrays 1258 // Respects UseUniqueSubclasses. 1259 // If the klass is final, the resulting type will be exact. 1260 static const TypeKlassPtr* make_from_klass(ciKlass* klass) { 1261 return make_from_klass_common(klass, true, false); 1262 } 1263 // Same as before, but will produce an exact type, even if 1264 // the klass is not final, as long as it has exactly one implementation. 1265 static const TypeKlassPtr* make_from_klass_unique(ciKlass* klass) { 1266 return make_from_klass_common(klass, true, true); 1267 } 1268 // Same as before, but does not respects UseUniqueSubclasses. 1269 // Use this only for creating array element types. 1270 static const TypeKlassPtr* make_from_klass_raw(ciKlass* klass) { 1271 return make_from_klass_common(klass, false, false); 1272 } 1273 1274 // Make a generic (unclassed) pointer to metadata. 1275 static const TypeKlassPtr* make(PTR ptr, int offset); 1276 1277 // ptr to klass 'k' 1278 static const TypeKlassPtr *make( ciKlass* k ) { return make( TypePtr::Constant, k, 0); } 1279 // ptr to klass 'k' with offset 1280 static const TypeKlassPtr *make( ciKlass* k, int offset ) { return make( TypePtr::Constant, k, offset); } 1281 // ptr to klass 'k' or sub-klass 1282 static const TypeKlassPtr *make( PTR ptr, ciKlass* k, int offset); 1283 1284 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1285 1286 virtual const Type *cast_to_exactness(bool klass_is_exact) const; 1287 1288 // corresponding pointer to instance, for a given class 1289 const TypeOopPtr* as_instance_type() const; 1290 1291 virtual const TypePtr *add_offset( intptr_t offset ) const; 1292 virtual const Type *xmeet( const Type *t ) const; 1293 virtual const Type *xdual() const; // Compute dual right now. 1294 1295 virtual intptr_t get_con() const; 1296 1297 // Convenience common pre-built types. 1298 static const TypeKlassPtr* OBJECT; // Not-null object klass or below 1299 static const TypeKlassPtr* OBJECT_OR_NULL; // Maybe-null version of same 1300 #ifndef PRODUCT 1301 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping 1302 #endif 1303 }; 1304 1305 class TypeNarrowPtr : public Type { 1306 protected: 1307 const TypePtr* _ptrtype; // Could be TypePtr::NULL_PTR 1308 1309 TypeNarrowPtr(TYPES t, const TypePtr* ptrtype): _ptrtype(ptrtype), 1310 Type(t) { 1311 assert(ptrtype->offset() == 0 || 1312 ptrtype->offset() == OffsetBot || 1313 ptrtype->offset() == OffsetTop, "no real offsets"); 1314 } 1315 1316 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const = 0; 1317 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const = 0; 1318 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const = 0; 1319 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const = 0; 1320 // Do not allow interface-vs.-noninterface joins to collapse to top. 1321 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 1322 public: 1323 virtual bool eq( const Type *t ) const; 1324 virtual int hash() const; // Type specific hashing 1325 virtual bool singleton(void) const; // TRUE if type is a singleton 1326 1327 virtual const Type *xmeet( const Type *t ) const; 1328 virtual const Type *xdual() const; // Compute dual right now. 1329 1330 virtual intptr_t get_con() const; 1331 1332 virtual bool empty(void) const; // TRUE if type is vacuous 1333 1334 // returns the equivalent ptr type for this compressed pointer 1335 const TypePtr *get_ptrtype() const { 1336 return _ptrtype; 1337 } 1338 1339 #ifndef PRODUCT 1340 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1341 #endif 1342 }; 1343 1344 //------------------------------TypeNarrowOop---------------------------------- 1345 // A compressed reference to some kind of Oop. This type wraps around 1346 // a preexisting TypeOopPtr and forwards most of it's operations to 1347 // the underlying type. It's only real purpose is to track the 1348 // oopness of the compressed oop value when we expose the conversion 1349 // between the normal and the compressed form. 1350 class TypeNarrowOop : public TypeNarrowPtr { 1351 protected: 1352 TypeNarrowOop( const TypePtr* ptrtype): TypeNarrowPtr(NarrowOop, ptrtype) { 1353 } 1354 1355 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const { 1356 return t->isa_narrowoop(); 1357 } 1358 1359 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const { 1360 return t->is_narrowoop(); 1361 } 1362 1363 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const { 1364 return new TypeNarrowOop(t); 1365 } 1366 1367 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const { 1368 return (const TypeNarrowPtr*)((new TypeNarrowOop(t))->hashcons()); 1369 } 1370 1371 public: 1372 1373 static const TypeNarrowOop *make( const TypePtr* type); 1374 1375 static const TypeNarrowOop* make_from_constant(ciObject* con, bool require_constant = false) { 1376 return make(TypeOopPtr::make_from_constant(con, require_constant)); 1377 } 1378 1379 static const TypeNarrowOop *BOTTOM; 1380 static const TypeNarrowOop *NULL_PTR; 1381 1382 virtual const Type* remove_speculative() const { 1383 return make(_ptrtype->remove_speculative()->is_ptr()); 1384 } 1385 1386 #ifndef PRODUCT 1387 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1388 #endif 1389 }; 1390 1391 //------------------------------TypeNarrowKlass---------------------------------- 1392 // A compressed reference to klass pointer. This type wraps around a 1393 // preexisting TypeKlassPtr and forwards most of it's operations to 1394 // the underlying type. 1395 class TypeNarrowKlass : public TypeNarrowPtr { 1396 protected: 1397 TypeNarrowKlass( const TypePtr* ptrtype): TypeNarrowPtr(NarrowKlass, ptrtype) { 1398 } 1399 1400 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const { 1401 return t->isa_narrowklass(); 1402 } 1403 1404 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const { 1405 return t->is_narrowklass(); 1406 } 1407 1408 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const { 1409 return new TypeNarrowKlass(t); 1410 } 1411 1412 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const { 1413 return (const TypeNarrowPtr*)((new TypeNarrowKlass(t))->hashcons()); 1414 } 1415 1416 public: 1417 static const TypeNarrowKlass *make( const TypePtr* type); 1418 1419 // static const TypeNarrowKlass *BOTTOM; 1420 static const TypeNarrowKlass *NULL_PTR; 1421 1422 #ifndef PRODUCT 1423 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1424 #endif 1425 }; 1426 1427 //------------------------------TypeFunc--------------------------------------- 1428 // Class of Array Types 1429 class TypeFunc : public Type { 1430 TypeFunc( const TypeTuple *domain, const TypeTuple *range ) : Type(Function), _domain(domain), _range(range) {} 1431 virtual bool eq( const Type *t ) const; 1432 virtual int hash() const; // Type specific hashing 1433 virtual bool singleton(void) const; // TRUE if type is a singleton 1434 virtual bool empty(void) const; // TRUE if type is vacuous 1435 public: 1436 // Constants are shared among ADLC and VM 1437 enum { Control = AdlcVMDeps::Control, 1438 I_O = AdlcVMDeps::I_O, 1439 Memory = AdlcVMDeps::Memory, 1440 FramePtr = AdlcVMDeps::FramePtr, 1441 ReturnAdr = AdlcVMDeps::ReturnAdr, 1442 Parms = AdlcVMDeps::Parms 1443 }; 1444 1445 const TypeTuple* const _domain; // Domain of inputs 1446 const TypeTuple* const _range; // Range of results 1447 1448 // Accessors: 1449 const TypeTuple* domain() const { return _domain; } 1450 const TypeTuple* range() const { return _range; } 1451 1452 static const TypeFunc *make(ciMethod* method); 1453 static const TypeFunc *make(ciSignature signature, const Type* extra); 1454 static const TypeFunc *make(const TypeTuple* domain, const TypeTuple* range); 1455 1456 virtual const Type *xmeet( const Type *t ) const; 1457 virtual const Type *xdual() const; // Compute dual right now. 1458 1459 BasicType return_type() const; 1460 1461 #ifndef PRODUCT 1462 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping 1463 #endif 1464 // Convenience common pre-built types. 1465 }; 1466 1467 //------------------------------accessors-------------------------------------- 1468 inline bool Type::is_ptr_to_narrowoop() const { 1469 #ifdef _LP64 1470 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowoop_nv()); 1471 #else 1472 return false; 1473 #endif 1474 } 1475 1476 inline bool Type::is_ptr_to_narrowklass() const { 1477 #ifdef _LP64 1478 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowklass_nv()); 1479 #else 1480 return false; 1481 #endif 1482 } 1483 1484 inline float Type::getf() const { 1485 assert( _base == FloatCon, "Not a FloatCon" ); 1486 return ((TypeF*)this)->_f; 1487 } 1488 1489 inline double Type::getd() const { 1490 assert( _base == DoubleCon, "Not a DoubleCon" ); 1491 return ((TypeD*)this)->_d; 1492 } 1493 1494 inline const TypeInt *Type::is_int() const { 1495 assert( _base == Int, "Not an Int" ); 1496 return (TypeInt*)this; 1497 } 1498 1499 inline const TypeInt *Type::isa_int() const { 1500 return ( _base == Int ? (TypeInt*)this : NULL); 1501 } 1502 1503 inline const TypeLong *Type::is_long() const { 1504 assert( _base == Long, "Not a Long" ); 1505 return (TypeLong*)this; 1506 } 1507 1508 inline const TypeLong *Type::isa_long() const { 1509 return ( _base == Long ? (TypeLong*)this : NULL); 1510 } 1511 1512 inline const TypeF *Type::isa_float() const { 1513 return ((_base == FloatTop || 1514 _base == FloatCon || 1515 _base == FloatBot) ? (TypeF*)this : NULL); 1516 } 1517 1518 inline const TypeF *Type::is_float_constant() const { 1519 assert( _base == FloatCon, "Not a Float" ); 1520 return (TypeF*)this; 1521 } 1522 1523 inline const TypeF *Type::isa_float_constant() const { 1524 return ( _base == FloatCon ? (TypeF*)this : NULL); 1525 } 1526 1527 inline const TypeD *Type::isa_double() const { 1528 return ((_base == DoubleTop || 1529 _base == DoubleCon || 1530 _base == DoubleBot) ? (TypeD*)this : NULL); 1531 } 1532 1533 inline const TypeD *Type::is_double_constant() const { 1534 assert( _base == DoubleCon, "Not a Double" ); 1535 return (TypeD*)this; 1536 } 1537 1538 inline const TypeD *Type::isa_double_constant() const { 1539 return ( _base == DoubleCon ? (TypeD*)this : NULL); 1540 } 1541 1542 inline const TypeTuple *Type::is_tuple() const { 1543 assert( _base == Tuple, "Not a Tuple" ); 1544 return (TypeTuple*)this; 1545 } 1546 1547 inline const TypeAry *Type::is_ary() const { 1548 assert( _base == Array , "Not an Array" ); 1549 return (TypeAry*)this; 1550 } 1551 1552 inline const TypeVect *Type::is_vect() const { 1553 assert( _base >= VectorS && _base <= VectorY, "Not a Vector" ); 1554 return (TypeVect*)this; 1555 } 1556 1557 inline const TypeVect *Type::isa_vect() const { 1558 return (_base >= VectorS && _base <= VectorY) ? (TypeVect*)this : NULL; 1559 } 1560 1561 inline const TypePtr *Type::is_ptr() const { 1562 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between. 1563 assert(_base >= AnyPtr && _base <= KlassPtr, "Not a pointer"); 1564 return (TypePtr*)this; 1565 } 1566 1567 inline const TypePtr *Type::isa_ptr() const { 1568 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between. 1569 return (_base >= AnyPtr && _base <= KlassPtr) ? (TypePtr*)this : NULL; 1570 } 1571 1572 inline const TypeOopPtr *Type::is_oopptr() const { 1573 // OopPtr is the first and KlassPtr the last, with no non-oops between. 1574 assert(_base >= OopPtr && _base <= AryPtr, "Not a Java pointer" ) ; 1575 return (TypeOopPtr*)this; 1576 } 1577 1578 inline const TypeOopPtr *Type::isa_oopptr() const { 1579 // OopPtr is the first and KlassPtr the last, with no non-oops between. 1580 return (_base >= OopPtr && _base <= AryPtr) ? (TypeOopPtr*)this : NULL; 1581 } 1582 1583 inline const TypeRawPtr *Type::isa_rawptr() const { 1584 return (_base == RawPtr) ? (TypeRawPtr*)this : NULL; 1585 } 1586 1587 inline const TypeRawPtr *Type::is_rawptr() const { 1588 assert( _base == RawPtr, "Not a raw pointer" ); 1589 return (TypeRawPtr*)this; 1590 } 1591 1592 inline const TypeInstPtr *Type::isa_instptr() const { 1593 return (_base == InstPtr) ? (TypeInstPtr*)this : NULL; 1594 } 1595 1596 inline const TypeInstPtr *Type::is_instptr() const { 1597 assert( _base == InstPtr, "Not an object pointer" ); 1598 return (TypeInstPtr*)this; 1599 } 1600 1601 inline const TypeAryPtr *Type::isa_aryptr() const { 1602 return (_base == AryPtr) ? (TypeAryPtr*)this : NULL; 1603 } 1604 1605 inline const TypeAryPtr *Type::is_aryptr() const { 1606 assert( _base == AryPtr, "Not an array pointer" ); 1607 return (TypeAryPtr*)this; 1608 } 1609 1610 inline const TypeNarrowOop *Type::is_narrowoop() const { 1611 // OopPtr is the first and KlassPtr the last, with no non-oops between. 1612 assert(_base == NarrowOop, "Not a narrow oop" ) ; 1613 return (TypeNarrowOop*)this; 1614 } 1615 1616 inline const TypeNarrowOop *Type::isa_narrowoop() const { 1617 // OopPtr is the first and KlassPtr the last, with no non-oops between. 1618 return (_base == NarrowOop) ? (TypeNarrowOop*)this : NULL; 1619 } 1620 1621 inline const TypeNarrowKlass *Type::is_narrowklass() const { 1622 assert(_base == NarrowKlass, "Not a narrow oop" ) ; 1623 return (TypeNarrowKlass*)this; 1624 } 1625 1626 inline const TypeNarrowKlass *Type::isa_narrowklass() const { 1627 return (_base == NarrowKlass) ? (TypeNarrowKlass*)this : NULL; 1628 } 1629 1630 inline const TypeMetadataPtr *Type::is_metadataptr() const { 1631 // MetadataPtr is the first and CPCachePtr the last 1632 assert(_base == MetadataPtr, "Not a metadata pointer" ) ; 1633 return (TypeMetadataPtr*)this; 1634 } 1635 1636 inline const TypeMetadataPtr *Type::isa_metadataptr() const { 1637 return (_base == MetadataPtr) ? (TypeMetadataPtr*)this : NULL; 1638 } 1639 1640 inline const TypeKlassPtr *Type::isa_klassptr() const { 1641 return (_base == KlassPtr) ? (TypeKlassPtr*)this : NULL; 1642 } 1643 1644 inline const TypeKlassPtr *Type::is_klassptr() const { 1645 assert( _base == KlassPtr, "Not a klass pointer" ); 1646 return (TypeKlassPtr*)this; 1647 } 1648 1649 inline const TypePtr* Type::make_ptr() const { 1650 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype() : 1651 ((_base == NarrowKlass) ? is_narrowklass()->get_ptrtype() : 1652 (isa_ptr() ? is_ptr() : NULL)); 1653 } 1654 1655 inline const TypeOopPtr* Type::make_oopptr() const { 1656 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype()->is_oopptr() : isa_oopptr(); 1657 } 1658 1659 inline const TypeNarrowOop* Type::make_narrowoop() const { 1660 return (_base == NarrowOop) ? is_narrowoop() : 1661 (isa_ptr() ? TypeNarrowOop::make(is_ptr()) : NULL); 1662 } 1663 1664 inline const TypeNarrowKlass* Type::make_narrowklass() const { 1665 return (_base == NarrowKlass) ? is_narrowklass() : 1666 (isa_ptr() ? TypeNarrowKlass::make(is_ptr()) : NULL); 1667 } 1668 1669 inline bool Type::is_floatingpoint() const { 1670 if( (_base == FloatCon) || (_base == FloatBot) || 1671 (_base == DoubleCon) || (_base == DoubleBot) ) 1672 return true; 1673 return false; 1674 } 1675 1676 inline bool Type::is_ptr_to_boxing_obj() const { 1677 const TypeInstPtr* tp = isa_instptr(); 1678 return (tp != NULL) && (tp->offset() == 0) && 1679 tp->klass()->is_instance_klass() && 1680 tp->klass()->as_instance_klass()->is_box_klass(); 1681 } 1682 1683 1684 // =============================================================== 1685 // Things that need to be 64-bits in the 64-bit build but 1686 // 32-bits in the 32-bit build. Done this way to get full 1687 // optimization AND strong typing. 1688 #ifdef _LP64 1689 1690 // For type queries and asserts 1691 #define is_intptr_t is_long 1692 #define isa_intptr_t isa_long 1693 #define find_intptr_t_type find_long_type 1694 #define find_intptr_t_con find_long_con 1695 #define TypeX TypeLong 1696 #define Type_X Type::Long 1697 #define TypeX_X TypeLong::LONG 1698 #define TypeX_ZERO TypeLong::ZERO 1699 // For 'ideal_reg' machine registers 1700 #define Op_RegX Op_RegL 1701 // For phase->intcon variants 1702 #define MakeConX longcon 1703 #define ConXNode ConLNode 1704 // For array index arithmetic 1705 #define MulXNode MulLNode 1706 #define AndXNode AndLNode 1707 #define OrXNode OrLNode 1708 #define CmpXNode CmpLNode 1709 #define SubXNode SubLNode 1710 #define LShiftXNode LShiftLNode 1711 // For object size computation: 1712 #define AddXNode AddLNode 1713 #define RShiftXNode RShiftLNode 1714 // For card marks and hashcodes 1715 #define URShiftXNode URShiftLNode 1716 // UseOptoBiasInlining 1717 #define XorXNode XorLNode 1718 #define StoreXConditionalNode StoreLConditionalNode 1719 // Opcodes 1720 #define Op_LShiftX Op_LShiftL 1721 #define Op_AndX Op_AndL 1722 #define Op_AddX Op_AddL 1723 #define Op_SubX Op_SubL 1724 #define Op_XorX Op_XorL 1725 #define Op_URShiftX Op_URShiftL 1726 // conversions 1727 #define ConvI2X(x) ConvI2L(x) 1728 #define ConvL2X(x) (x) 1729 #define ConvX2I(x) ConvL2I(x) 1730 #define ConvX2L(x) (x) 1731 #define ConvX2UL(x) (x) 1732 1733 #else 1734 1735 // For type queries and asserts 1736 #define is_intptr_t is_int 1737 #define isa_intptr_t isa_int 1738 #define find_intptr_t_type find_int_type 1739 #define find_intptr_t_con find_int_con 1740 #define TypeX TypeInt 1741 #define Type_X Type::Int 1742 #define TypeX_X TypeInt::INT 1743 #define TypeX_ZERO TypeInt::ZERO 1744 // For 'ideal_reg' machine registers 1745 #define Op_RegX Op_RegI 1746 // For phase->intcon variants 1747 #define MakeConX intcon 1748 #define ConXNode ConINode 1749 // For array index arithmetic 1750 #define MulXNode MulINode 1751 #define AndXNode AndINode 1752 #define OrXNode OrINode 1753 #define CmpXNode CmpINode 1754 #define SubXNode SubINode 1755 #define LShiftXNode LShiftINode 1756 // For object size computation: 1757 #define AddXNode AddINode 1758 #define RShiftXNode RShiftINode 1759 // For card marks and hashcodes 1760 #define URShiftXNode URShiftINode 1761 // UseOptoBiasInlining 1762 #define XorXNode XorINode 1763 #define StoreXConditionalNode StoreIConditionalNode 1764 // Opcodes 1765 #define Op_LShiftX Op_LShiftI 1766 #define Op_AndX Op_AndI 1767 #define Op_AddX Op_AddI 1768 #define Op_SubX Op_SubI 1769 #define Op_XorX Op_XorI 1770 #define Op_URShiftX Op_URShiftI 1771 // conversions 1772 #define ConvI2X(x) (x) 1773 #define ConvL2X(x) ConvL2I(x) 1774 #define ConvX2I(x) (x) 1775 #define ConvX2L(x) ConvI2L(x) 1776 #define ConvX2UL(x) ConvI2UL(x) 1777 1778 #endif 1779 1780 #endif // SHARE_VM_OPTO_TYPE_HPP