1 /* 2 * Copyright (c) 1997, 2018, 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 "opto/adlcVMDeps.hpp" 29 #include "runtime/handles.hpp" 30 31 // Portions of code courtesy of Clifford Click 32 33 // Optimization - Graph Style 34 35 36 // This class defines a Type lattice. The lattice is used in the constant 37 // propagation algorithms, and for some type-checking of the iloc code. 38 // Basic types include RSD's (lower bound, upper bound, stride for integers), 39 // float & double precision constants, sets of data-labels and code-labels. 40 // The complete lattice is described below. Subtypes have no relationship to 41 // up or down in the lattice; that is entirely determined by the behavior of 42 // the MEET/JOIN functions. 43 44 class Dict; 45 class Type; 46 class TypeD; 47 class TypeF; 48 class TypeInt; 49 class TypeLong; 50 class TypeNarrowPtr; 51 class TypeNarrowOop; 52 class TypeNarrowKlass; 53 class TypeAry; 54 class TypeTuple; 55 class TypeVect; 56 class TypeVectS; 57 class TypeVectD; 58 class TypeVectX; 59 class TypeVectY; 60 class TypeVectZ; 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 VectorZ, // 512bit Vector types 95 96 AnyPtr, // Any old raw, klass, inst, or array pointer 97 RawPtr, // Raw (non-oop) pointers 98 OopPtr, // Any and all Java heap entities 99 InstPtr, // Instance pointers (non-array objects) 100 AryPtr, // Array pointers 101 // (Ptr order matters: See is_ptr, isa_ptr, is_oopptr, isa_oopptr.) 102 103 MetadataPtr, // Generic metadata 104 KlassPtr, // Klass pointers 105 106 Function, // Function signature 107 Abio, // Abstract I/O 108 Return_Address, // Subroutine return address 109 Memory, // Abstract store 110 FloatTop, // No float value 111 FloatCon, // Floating point constant 112 FloatBot, // Any float value 113 DoubleTop, // No double value 114 DoubleCon, // Double precision constant 115 DoubleBot, // Any double value 116 Bottom, // Bottom of lattice 117 lastype // Bogus ending type (not in lattice) 118 }; 119 120 // Signal values for offsets from a base pointer 121 enum OFFSET_SIGNALS { 122 OffsetTop = -2000000000, // undefined offset 123 OffsetBot = -2000000001 // any possible offset 124 }; 125 126 // Min and max WIDEN values. 127 enum WIDEN { 128 WidenMin = 0, 129 WidenMax = 3 130 }; 131 132 private: 133 typedef struct { 134 TYPES dual_type; 135 BasicType basic_type; 136 const char* msg; 137 bool isa_oop; 138 uint ideal_reg; 139 relocInfo::relocType reloc; 140 } TypeInfo; 141 142 // Dictionary of types shared among compilations. 143 static Dict* _shared_type_dict; 144 static const TypeInfo _type_info[]; 145 146 static int uhash( const Type *const t ); 147 // Structural equality check. Assumes that cmp() has already compared 148 // the _base types and thus knows it can cast 't' appropriately. 149 virtual bool eq( const Type *t ) const; 150 151 // Top-level hash-table of types 152 static Dict *type_dict() { 153 return Compile::current()->type_dict(); 154 } 155 156 // DUAL operation: reflect around lattice centerline. Used instead of 157 // join to ensure my lattice is symmetric up and down. Dual is computed 158 // lazily, on demand, and cached in _dual. 159 const Type *_dual; // Cached dual value 160 // Table for efficient dualing of base types 161 static const TYPES dual_type[lastype]; 162 163 #ifdef ASSERT 164 // One type is interface, the other is oop 165 virtual bool interface_vs_oop_helper(const Type *t) const; 166 #endif 167 168 const Type *meet_helper(const Type *t, bool include_speculative) const; 169 170 protected: 171 // Each class of type is also identified by its base. 172 const TYPES _base; // Enum of Types type 173 174 Type( TYPES t ) : _dual(NULL), _base(t) {} // Simple types 175 // ~Type(); // Use fast deallocation 176 const Type *hashcons(); // Hash-cons the type 177 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 178 const Type *join_helper(const Type *t, bool include_speculative) const { 179 return dual()->meet_helper(t->dual(), include_speculative)->dual(); 180 } 181 182 public: 183 184 inline void* operator new( size_t x ) throw() { 185 Compile* compile = Compile::current(); 186 compile->set_type_last_size(x); 187 void *temp = compile->type_arena()->Amalloc_D(x); 188 compile->set_type_hwm(temp); 189 return temp; 190 } 191 inline void operator delete( void* ptr ) { 192 Compile* compile = Compile::current(); 193 compile->type_arena()->Afree(ptr,compile->type_last_size()); 194 } 195 196 // Initialize the type system for a particular compilation. 197 static void Initialize(Compile* compile); 198 199 // Initialize the types shared by all compilations. 200 static void Initialize_shared(Compile* compile); 201 202 TYPES base() const { 203 assert(_base > Bad && _base < lastype, "sanity"); 204 return _base; 205 } 206 207 // Create a new hash-consd type 208 static const Type *make(enum TYPES); 209 // Test for equivalence of types 210 static int cmp( const Type *const t1, const Type *const t2 ); 211 // Test for higher or equal in lattice 212 // Variant that drops the speculative part of the types 213 bool higher_equal(const Type *t) const { 214 return !cmp(meet(t),t->remove_speculative()); 215 } 216 // Variant that keeps the speculative part of the types 217 bool higher_equal_speculative(const Type *t) const { 218 return !cmp(meet_speculative(t),t); 219 } 220 221 // MEET operation; lower in lattice. 222 // Variant that drops the speculative part of the types 223 const Type *meet(const Type *t) const { 224 return meet_helper(t, false); 225 } 226 // Variant that keeps the speculative part of the types 227 const Type *meet_speculative(const Type *t) const { 228 return meet_helper(t, true)->cleanup_speculative(); 229 } 230 // WIDEN: 'widens' for Ints and other range types 231 virtual const Type *widen( const Type *old, const Type* limit ) const { return this; } 232 // NARROW: complement for widen, used by pessimistic phases 233 virtual const Type *narrow( const Type *old ) const { return this; } 234 235 // DUAL operation: reflect around lattice centerline. Used instead of 236 // join to ensure my lattice is symmetric up and down. 237 const Type *dual() const { return _dual; } 238 239 // Compute meet dependent on base type 240 virtual const Type *xmeet( const Type *t ) const; 241 virtual const Type *xdual() const; // Compute dual right now. 242 243 // JOIN operation; higher in lattice. Done by finding the dual of the 244 // meet of the dual of the 2 inputs. 245 // Variant that drops the speculative part of the types 246 const Type *join(const Type *t) const { 247 return join_helper(t, false); 248 } 249 // Variant that keeps the speculative part of the types 250 const Type *join_speculative(const Type *t) const { 251 return join_helper(t, true)->cleanup_speculative(); 252 } 253 254 // Modified version of JOIN adapted to the needs Node::Value. 255 // Normalizes all empty values to TOP. Does not kill _widen bits. 256 // Currently, it also works around limitations involving interface types. 257 // Variant that drops the speculative part of the types 258 const Type *filter(const Type *kills) const { 259 return filter_helper(kills, false); 260 } 261 // Variant that keeps the speculative part of the types 262 const Type *filter_speculative(const Type *kills) const { 263 return filter_helper(kills, true)->cleanup_speculative(); 264 } 265 266 #ifdef ASSERT 267 // One type is interface, the other is oop 268 virtual bool interface_vs_oop(const Type *t) const; 269 #endif 270 271 // Returns true if this pointer points at memory which contains a 272 // compressed oop references. 273 bool is_ptr_to_narrowoop() const; 274 bool is_ptr_to_narrowklass() const; 275 276 bool is_ptr_to_boxing_obj() const; 277 278 279 // Convenience access 280 float getf() const; 281 double getd() const; 282 283 const TypeInt *is_int() const; 284 const TypeInt *isa_int() const; // Returns NULL if not an Int 285 const TypeLong *is_long() const; 286 const TypeLong *isa_long() const; // Returns NULL if not a Long 287 const TypeD *isa_double() const; // Returns NULL if not a Double{Top,Con,Bot} 288 const TypeD *is_double_constant() const; // Asserts it is a DoubleCon 289 const TypeD *isa_double_constant() const; // Returns NULL if not a DoubleCon 290 const TypeF *isa_float() const; // Returns NULL if not a Float{Top,Con,Bot} 291 const TypeF *is_float_constant() const; // Asserts it is a FloatCon 292 const TypeF *isa_float_constant() const; // Returns NULL if not a FloatCon 293 const TypeTuple *is_tuple() const; // Collection of fields, NOT a pointer 294 const TypeAry *is_ary() const; // Array, NOT array pointer 295 const TypeVect *is_vect() const; // Vector 296 const TypeVect *isa_vect() const; // Returns NULL if not a Vector 297 const TypePtr *is_ptr() const; // Asserts it is a ptr type 298 const TypePtr *isa_ptr() const; // Returns NULL if not ptr type 299 const TypeRawPtr *isa_rawptr() const; // NOT Java oop 300 const TypeRawPtr *is_rawptr() const; // Asserts is rawptr 301 const TypeNarrowOop *is_narrowoop() const; // Java-style GC'd pointer 302 const TypeNarrowOop *isa_narrowoop() const; // Returns NULL if not oop ptr type 303 const TypeNarrowKlass *is_narrowklass() const; // compressed klass pointer 304 const TypeNarrowKlass *isa_narrowklass() const;// Returns NULL if not oop ptr type 305 const TypeOopPtr *isa_oopptr() const; // Returns NULL if not oop ptr type 306 const TypeOopPtr *is_oopptr() const; // Java-style GC'd pointer 307 const TypeInstPtr *isa_instptr() const; // Returns NULL if not InstPtr 308 const TypeInstPtr *is_instptr() const; // Instance 309 const TypeAryPtr *isa_aryptr() const; // Returns NULL if not AryPtr 310 const TypeAryPtr *is_aryptr() const; // Array oop 311 312 const TypeMetadataPtr *isa_metadataptr() const; // Returns NULL if not oop ptr type 313 const TypeMetadataPtr *is_metadataptr() const; // Java-style GC'd pointer 314 const TypeKlassPtr *isa_klassptr() const; // Returns NULL if not KlassPtr 315 const TypeKlassPtr *is_klassptr() const; // assert if not KlassPtr 316 317 virtual bool is_finite() const; // Has a finite value 318 virtual bool is_nan() const; // Is not a number (NaN) 319 320 // Returns this ptr type or the equivalent ptr type for this compressed pointer. 321 const TypePtr* make_ptr() const; 322 323 // Returns this oopptr type or the equivalent oopptr type for this compressed pointer. 324 // Asserts if the underlying type is not an oopptr or narrowoop. 325 const TypeOopPtr* make_oopptr() const; 326 327 // Returns this compressed pointer or the equivalent compressed version 328 // of this pointer type. 329 const TypeNarrowOop* make_narrowoop() const; 330 331 // Returns this compressed klass pointer or the equivalent 332 // compressed version of this pointer type. 333 const TypeNarrowKlass* make_narrowklass() const; 334 335 // Special test for register pressure heuristic 336 bool is_floatingpoint() const; // True if Float or Double base type 337 338 // Do you have memory, directly or through a tuple? 339 bool has_memory( ) const; 340 341 // TRUE if type is a singleton 342 virtual bool singleton(void) const; 343 344 // TRUE if type is above the lattice centerline, and is therefore vacuous 345 virtual bool empty(void) const; 346 347 // Return a hash for this type. The hash function is public so ConNode 348 // (constants) can hash on their constant, which is represented by a Type. 349 virtual int hash() const; 350 351 // Map ideal registers (machine types) to ideal types 352 static const Type *mreg2type[]; 353 354 // Printing, statistics 355 #ifndef PRODUCT 356 void dump_on(outputStream *st) const; 357 void dump() const { 358 dump_on(tty); 359 } 360 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 361 static void dump_stats(); 362 363 static const char* str(const Type* t); 364 #endif 365 void typerr(const Type *t) const; // Mixing types error 366 367 // Create basic type 368 static const Type* get_const_basic_type(BasicType type) { 369 assert((uint)type <= T_CONFLICT && _const_basic_type[type] != NULL, "bad type"); 370 return _const_basic_type[type]; 371 } 372 373 // For two instance arrays of same dimension, return the base element types. 374 // Otherwise or if the arrays have different dimensions, return NULL. 375 static void get_arrays_base_elements(const Type *a1, const Type *a2, 376 const TypeInstPtr **e1, const TypeInstPtr **e2); 377 378 // Mapping to the array element's basic type. 379 BasicType array_element_basic_type() const; 380 381 // Create standard type for a ciType: 382 static const Type* get_const_type(ciType* type); 383 384 // Create standard zero value: 385 static const Type* get_zero_type(BasicType type) { 386 assert((uint)type <= T_CONFLICT && _zero_type[type] != NULL, "bad type"); 387 return _zero_type[type]; 388 } 389 390 // Report if this is a zero value (not top). 391 bool is_zero_type() const { 392 BasicType type = basic_type(); 393 if (type == T_VOID || type >= T_CONFLICT) 394 return false; 395 else 396 return (this == _zero_type[type]); 397 } 398 399 // Convenience common pre-built types. 400 static const Type *ABIO; 401 static const Type *BOTTOM; 402 static const Type *CONTROL; 403 static const Type *DOUBLE; 404 static const Type *FLOAT; 405 static const Type *HALF; 406 static const Type *MEMORY; 407 static const Type *MULTI; 408 static const Type *RETURN_ADDRESS; 409 static const Type *TOP; 410 411 // Mapping from compiler type to VM BasicType 412 BasicType basic_type() const { return _type_info[_base].basic_type; } 413 uint ideal_reg() const { return _type_info[_base].ideal_reg; } 414 const char* msg() const { return _type_info[_base].msg; } 415 bool isa_oop_ptr() const { return _type_info[_base].isa_oop; } 416 relocInfo::relocType reloc() const { return _type_info[_base].reloc; } 417 418 // Mapping from CI type system to compiler type: 419 static const Type* get_typeflow_type(ciType* type); 420 421 static const Type* make_from_constant(ciConstant constant, 422 bool require_constant = false, 423 int stable_dimension = 0, 424 bool is_narrow = false, 425 bool is_autobox_cache = false); 426 427 static const Type* make_constant_from_field(ciInstance* holder, 428 int off, 429 bool is_unsigned_load, 430 BasicType loadbt); 431 432 static const Type* make_constant_from_field(ciField* field, 433 ciInstance* holder, 434 BasicType loadbt, 435 bool is_unsigned_load); 436 437 static const Type* make_constant_from_array_element(ciArray* array, 438 int off, 439 int stable_dimension, 440 BasicType loadbt, 441 bool is_unsigned_load); 442 443 // Speculative type helper methods. See TypePtr. 444 virtual const TypePtr* speculative() const { return NULL; } 445 virtual ciKlass* speculative_type() const { return NULL; } 446 virtual ciKlass* speculative_type_not_null() const { return NULL; } 447 virtual bool speculative_maybe_null() const { return true; } 448 virtual bool speculative_always_null() const { return true; } 449 virtual const Type* remove_speculative() const { return this; } 450 virtual const Type* cleanup_speculative() const { return this; } 451 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const { return exact_kls != NULL; } 452 virtual bool would_improve_ptr(ProfilePtrKind ptr_kind) const { return ptr_kind == ProfileAlwaysNull || ptr_kind == ProfileNeverNull; } 453 const Type* maybe_remove_speculative(bool include_speculative) const; 454 455 virtual bool maybe_null() const { return true; } 456 457 private: 458 // support arrays 459 static const BasicType _basic_type[]; 460 static const Type* _zero_type[T_CONFLICT+1]; 461 static const Type* _const_basic_type[T_CONFLICT+1]; 462 }; 463 464 //------------------------------TypeF------------------------------------------ 465 // Class of Float-Constant Types. 466 class TypeF : public Type { 467 TypeF( float f ) : Type(FloatCon), _f(f) {}; 468 public: 469 virtual bool eq( const Type *t ) const; 470 virtual int hash() const; // Type specific hashing 471 virtual bool singleton(void) const; // TRUE if type is a singleton 472 virtual bool empty(void) const; // TRUE if type is vacuous 473 public: 474 const float _f; // Float constant 475 476 static const TypeF *make(float f); 477 478 virtual bool is_finite() const; // Has a finite value 479 virtual bool is_nan() const; // Is not a number (NaN) 480 481 virtual const Type *xmeet( const Type *t ) const; 482 virtual const Type *xdual() const; // Compute dual right now. 483 // Convenience common pre-built types. 484 static const TypeF *ZERO; // positive zero only 485 static const TypeF *ONE; 486 static const TypeF *POS_INF; 487 static const TypeF *NEG_INF; 488 #ifndef PRODUCT 489 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 490 #endif 491 }; 492 493 //------------------------------TypeD------------------------------------------ 494 // Class of Double-Constant Types. 495 class TypeD : public Type { 496 TypeD( double d ) : Type(DoubleCon), _d(d) {}; 497 public: 498 virtual bool eq( const Type *t ) const; 499 virtual int hash() const; // Type specific hashing 500 virtual bool singleton(void) const; // TRUE if type is a singleton 501 virtual bool empty(void) const; // TRUE if type is vacuous 502 public: 503 const double _d; // Double constant 504 505 static const TypeD *make(double d); 506 507 virtual bool is_finite() const; // Has a finite value 508 virtual bool is_nan() const; // Is not a number (NaN) 509 510 virtual const Type *xmeet( const Type *t ) const; 511 virtual const Type *xdual() const; // Compute dual right now. 512 // Convenience common pre-built types. 513 static const TypeD *ZERO; // positive zero only 514 static const TypeD *ONE; 515 static const TypeD *POS_INF; 516 static const TypeD *NEG_INF; 517 #ifndef PRODUCT 518 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 519 #endif 520 }; 521 522 //------------------------------TypeInt---------------------------------------- 523 // Class of integer ranges, the set of integers between a lower bound and an 524 // upper bound, inclusive. 525 class TypeInt : public Type { 526 TypeInt( jint lo, jint hi, int w ); 527 protected: 528 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 529 530 public: 531 typedef jint NativeType; 532 virtual bool eq( const Type *t ) const; 533 virtual int hash() const; // Type specific hashing 534 virtual bool singleton(void) const; // TRUE if type is a singleton 535 virtual bool empty(void) const; // TRUE if type is vacuous 536 const jint _lo, _hi; // Lower bound, upper bound 537 const short _widen; // Limit on times we widen this sucker 538 539 static const TypeInt *make(jint lo); 540 // must always specify w 541 static const TypeInt *make(jint lo, jint hi, int w); 542 543 // Check for single integer 544 int is_con() const { return _lo==_hi; } 545 bool is_con(int i) const { return is_con() && _lo == i; } 546 jint get_con() const { assert( is_con(), "" ); return _lo; } 547 548 virtual bool is_finite() const; // Has a finite value 549 550 virtual const Type *xmeet( const Type *t ) const; 551 virtual const Type *xdual() const; // Compute dual right now. 552 virtual const Type *widen( const Type *t, const Type* limit_type ) const; 553 virtual const Type *narrow( const Type *t ) const; 554 // Do not kill _widen bits. 555 // Convenience common pre-built types. 556 static const TypeInt *MINUS_1; 557 static const TypeInt *ZERO; 558 static const TypeInt *ONE; 559 static const TypeInt *BOOL; 560 static const TypeInt *CC; 561 static const TypeInt *CC_LT; // [-1] == MINUS_1 562 static const TypeInt *CC_GT; // [1] == ONE 563 static const TypeInt *CC_EQ; // [0] == ZERO 564 static const TypeInt *CC_LE; // [-1,0] 565 static const TypeInt *CC_GE; // [0,1] == BOOL (!) 566 static const TypeInt *BYTE; 567 static const TypeInt *UBYTE; 568 static const TypeInt *CHAR; 569 static const TypeInt *SHORT; 570 static const TypeInt *POS; 571 static const TypeInt *POS1; 572 static const TypeInt *INT; 573 static const TypeInt *SYMINT; // symmetric range [-max_jint..max_jint] 574 static const TypeInt *TYPE_DOMAIN; // alias for TypeInt::INT 575 576 static const TypeInt *as_self(const Type *t) { return t->is_int(); } 577 #ifndef PRODUCT 578 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 579 #endif 580 }; 581 582 583 //------------------------------TypeLong--------------------------------------- 584 // Class of long integer ranges, the set of integers between a lower bound and 585 // an upper bound, inclusive. 586 class TypeLong : public Type { 587 TypeLong( jlong lo, jlong hi, int w ); 588 protected: 589 // Do not kill _widen bits. 590 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 591 public: 592 typedef jlong NativeType; 593 virtual bool eq( const Type *t ) const; 594 virtual int hash() const; // Type specific hashing 595 virtual bool singleton(void) const; // TRUE if type is a singleton 596 virtual bool empty(void) const; // TRUE if type is vacuous 597 public: 598 const jlong _lo, _hi; // Lower bound, upper bound 599 const short _widen; // Limit on times we widen this sucker 600 601 static const TypeLong *make(jlong lo); 602 // must always specify w 603 static const TypeLong *make(jlong lo, jlong hi, int w); 604 605 // Check for single integer 606 int is_con() const { return _lo==_hi; } 607 bool is_con(int i) const { return is_con() && _lo == i; } 608 jlong get_con() const { assert( is_con(), "" ); return _lo; } 609 610 // Check for positive 32-bit value. 611 int is_positive_int() const { return _lo >= 0 && _hi <= (jlong)max_jint; } 612 613 virtual bool is_finite() const; // Has a finite value 614 615 616 virtual const Type *xmeet( const Type *t ) const; 617 virtual const Type *xdual() const; // Compute dual right now. 618 virtual const Type *widen( const Type *t, const Type* limit_type ) const; 619 virtual const Type *narrow( const Type *t ) const; 620 // Convenience common pre-built types. 621 static const TypeLong *MINUS_1; 622 static const TypeLong *ZERO; 623 static const TypeLong *ONE; 624 static const TypeLong *POS; 625 static const TypeLong *LONG; 626 static const TypeLong *INT; // 32-bit subrange [min_jint..max_jint] 627 static const TypeLong *UINT; // 32-bit unsigned [0..max_juint] 628 static const TypeLong *TYPE_DOMAIN; // alias for TypeLong::LONG 629 630 // static convenience methods. 631 static const TypeLong *as_self(const Type *t) { return t->is_long(); } 632 633 #ifndef PRODUCT 634 virtual void dump2( Dict &d, uint, outputStream *st ) const;// Specialized per-Type dumping 635 #endif 636 }; 637 638 //------------------------------TypeTuple-------------------------------------- 639 // Class of Tuple Types, essentially type collections for function signatures 640 // and class layouts. It happens to also be a fast cache for the HotSpot 641 // signature types. 642 class TypeTuple : public Type { 643 TypeTuple( uint cnt, const Type **fields ) : Type(Tuple), _cnt(cnt), _fields(fields) { } 644 645 const uint _cnt; // Count of fields 646 const Type ** const _fields; // Array of field types 647 648 public: 649 virtual bool eq( const Type *t ) const; 650 virtual int hash() const; // Type specific hashing 651 virtual bool singleton(void) const; // TRUE if type is a singleton 652 virtual bool empty(void) const; // TRUE if type is vacuous 653 654 // Accessors: 655 uint cnt() const { return _cnt; } 656 const Type* field_at(uint i) const { 657 assert(i < _cnt, "oob"); 658 return _fields[i]; 659 } 660 void set_field_at(uint i, const Type* t) { 661 assert(i < _cnt, "oob"); 662 _fields[i] = t; 663 } 664 665 static const TypeTuple *make( uint cnt, const Type **fields ); 666 static const TypeTuple *make_range(ciSignature *sig); 667 static const TypeTuple *make_domain(ciInstanceKlass* recv, ciSignature *sig); 668 669 // Subroutine call type with space allocated for argument types 670 // Memory for Control, I_O, Memory, FramePtr, and ReturnAdr is allocated implicitly 671 static const Type **fields( uint arg_cnt ); 672 673 virtual const Type *xmeet( const Type *t ) const; 674 virtual const Type *xdual() const; // Compute dual right now. 675 // Convenience common pre-built types. 676 static const TypeTuple *IFBOTH; 677 static const TypeTuple *IFFALSE; 678 static const TypeTuple *IFTRUE; 679 static const TypeTuple *IFNEITHER; 680 static const TypeTuple *LOOPBODY; 681 static const TypeTuple *MEMBAR; 682 static const TypeTuple *STORECONDITIONAL; 683 static const TypeTuple *START_I2C; 684 static const TypeTuple *INT_PAIR; 685 static const TypeTuple *LONG_PAIR; 686 static const TypeTuple *INT_CC_PAIR; 687 static const TypeTuple *LONG_CC_PAIR; 688 #ifndef PRODUCT 689 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping 690 #endif 691 }; 692 693 //------------------------------TypeAry---------------------------------------- 694 // Class of Array Types 695 class TypeAry : public Type { 696 TypeAry(const Type* elem, const TypeInt* size, bool stable) : Type(Array), 697 _elem(elem), _size(size), _stable(stable) {} 698 public: 699 virtual bool eq( const Type *t ) const; 700 virtual int hash() const; // Type specific hashing 701 virtual bool singleton(void) const; // TRUE if type is a singleton 702 virtual bool empty(void) const; // TRUE if type is vacuous 703 704 private: 705 const Type *_elem; // Element type of array 706 const TypeInt *_size; // Elements in array 707 const bool _stable; // Are elements @Stable? 708 friend class TypeAryPtr; 709 710 public: 711 static const TypeAry* make(const Type* elem, const TypeInt* size, bool stable = false); 712 713 virtual const Type *xmeet( const Type *t ) const; 714 virtual const Type *xdual() const; // Compute dual right now. 715 bool ary_must_be_exact() const; // true if arrays of such are never generic 716 virtual const Type* remove_speculative() const; 717 virtual const Type* cleanup_speculative() const; 718 #ifdef ASSERT 719 // One type is interface, the other is oop 720 virtual bool interface_vs_oop(const Type *t) const; 721 #endif 722 #ifndef PRODUCT 723 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping 724 #endif 725 }; 726 727 //------------------------------TypeVect--------------------------------------- 728 // Class of Vector Types 729 class TypeVect : public Type { 730 const Type* _elem; // Vector's element type 731 const uint _length; // Elements in vector (power of 2) 732 733 protected: 734 TypeVect(TYPES t, const Type* elem, uint length) : Type(t), 735 _elem(elem), _length(length) {} 736 737 public: 738 const Type* element_type() const { return _elem; } 739 BasicType element_basic_type() const { return _elem->array_element_basic_type(); } 740 uint length() const { return _length; } 741 uint length_in_bytes() const { 742 return _length * type2aelembytes(element_basic_type()); 743 } 744 745 virtual bool eq(const Type *t) const; 746 virtual int hash() const; // Type specific hashing 747 virtual bool singleton(void) const; // TRUE if type is a singleton 748 virtual bool empty(void) const; // TRUE if type is vacuous 749 750 static const TypeVect *make(const BasicType elem_bt, uint length) { 751 // Use bottom primitive type. 752 return make(get_const_basic_type(elem_bt), length); 753 } 754 // Used directly by Replicate nodes to construct singleton vector. 755 static const TypeVect *make(const Type* elem, uint length); 756 757 virtual const Type *xmeet( const Type *t) const; 758 virtual const Type *xdual() const; // Compute dual right now. 759 760 static const TypeVect *VECTS; 761 static const TypeVect *VECTD; 762 static const TypeVect *VECTX; 763 static const TypeVect *VECTY; 764 static const TypeVect *VECTZ; 765 766 #ifndef PRODUCT 767 virtual void dump2(Dict &d, uint, outputStream *st) const; // Specialized per-Type dumping 768 #endif 769 }; 770 771 class TypeVectS : public TypeVect { 772 friend class TypeVect; 773 TypeVectS(const Type* elem, uint length) : TypeVect(VectorS, elem, length) {} 774 }; 775 776 class TypeVectD : public TypeVect { 777 friend class TypeVect; 778 TypeVectD(const Type* elem, uint length) : TypeVect(VectorD, elem, length) {} 779 }; 780 781 class TypeVectX : public TypeVect { 782 friend class TypeVect; 783 TypeVectX(const Type* elem, uint length) : TypeVect(VectorX, elem, length) {} 784 }; 785 786 class TypeVectY : public TypeVect { 787 friend class TypeVect; 788 TypeVectY(const Type* elem, uint length) : TypeVect(VectorY, elem, length) {} 789 }; 790 791 class TypeVectZ : public TypeVect { 792 friend class TypeVect; 793 TypeVectZ(const Type* elem, uint length) : TypeVect(VectorZ, elem, length) {} 794 }; 795 796 //------------------------------TypePtr---------------------------------------- 797 // Class of machine Pointer Types: raw data, instances or arrays. 798 // If the _base enum is AnyPtr, then this refers to all of the above. 799 // Otherwise the _base will indicate which subset of pointers is affected, 800 // and the class will be inherited from. 801 class TypePtr : public Type { 802 friend class TypeNarrowPtr; 803 public: 804 enum PTR { TopPTR, AnyNull, Constant, Null, NotNull, BotPTR, lastPTR }; 805 protected: 806 TypePtr(TYPES t, PTR ptr, int offset, 807 const TypePtr* speculative = NULL, 808 int inline_depth = InlineDepthBottom) : 809 Type(t), _speculative(speculative), _inline_depth(inline_depth), _offset(offset), 810 _ptr(ptr) {} 811 static const PTR ptr_meet[lastPTR][lastPTR]; 812 static const PTR ptr_dual[lastPTR]; 813 static const char * const ptr_msg[lastPTR]; 814 815 enum { 816 InlineDepthBottom = INT_MAX, 817 InlineDepthTop = -InlineDepthBottom 818 }; 819 820 // Extra type information profiling gave us. We propagate it the 821 // same way the rest of the type info is propagated. If we want to 822 // use it, then we have to emit a guard: this part of the type is 823 // not something we know but something we speculate about the type. 824 const TypePtr* _speculative; 825 // For speculative types, we record at what inlining depth the 826 // profiling point that provided the data is. We want to favor 827 // profile data coming from outer scopes which are likely better for 828 // the current compilation. 829 int _inline_depth; 830 831 // utility methods to work on the speculative part of the type 832 const TypePtr* dual_speculative() const; 833 const TypePtr* xmeet_speculative(const TypePtr* other) const; 834 bool eq_speculative(const TypePtr* other) const; 835 int hash_speculative() const; 836 const TypePtr* add_offset_speculative(intptr_t offset) const; 837 #ifndef PRODUCT 838 void dump_speculative(outputStream *st) const; 839 #endif 840 841 // utility methods to work on the inline depth of the type 842 int dual_inline_depth() const; 843 int meet_inline_depth(int depth) const; 844 #ifndef PRODUCT 845 void dump_inline_depth(outputStream *st) const; 846 #endif 847 848 public: 849 const int _offset; // Offset into oop, with TOP & BOT 850 const PTR _ptr; // Pointer equivalence class 851 852 const int offset() const { return _offset; } 853 const PTR ptr() const { return _ptr; } 854 855 static const TypePtr *make(TYPES t, PTR ptr, int offset, 856 const TypePtr* speculative = NULL, 857 int inline_depth = InlineDepthBottom); 858 859 // Return a 'ptr' version of this type 860 virtual const Type *cast_to_ptr_type(PTR ptr) const; 861 862 virtual intptr_t get_con() const; 863 864 int xadd_offset( intptr_t offset ) const; 865 virtual const TypePtr *add_offset( intptr_t offset ) const; 866 virtual bool eq(const Type *t) const; 867 virtual int hash() const; // Type specific hashing 868 869 virtual bool singleton(void) const; // TRUE if type is a singleton 870 virtual bool empty(void) const; // TRUE if type is vacuous 871 virtual const Type *xmeet( const Type *t ) const; 872 virtual const Type *xmeet_helper( const Type *t ) const; 873 int meet_offset( int offset ) const; 874 int dual_offset( ) const; 875 virtual const Type *xdual() const; // Compute dual right now. 876 877 // meet, dual and join over pointer equivalence sets 878 PTR meet_ptr( const PTR in_ptr ) const { return ptr_meet[in_ptr][ptr()]; } 879 PTR dual_ptr() const { return ptr_dual[ptr()]; } 880 881 // This is textually confusing unless one recalls that 882 // join(t) == dual()->meet(t->dual())->dual(). 883 PTR join_ptr( const PTR in_ptr ) const { 884 return ptr_dual[ ptr_meet[ ptr_dual[in_ptr] ] [ dual_ptr() ] ]; 885 } 886 887 // Speculative type helper methods. 888 virtual const TypePtr* speculative() const { return _speculative; } 889 int inline_depth() const { return _inline_depth; } 890 virtual ciKlass* speculative_type() const; 891 virtual ciKlass* speculative_type_not_null() const; 892 virtual bool speculative_maybe_null() const; 893 virtual bool speculative_always_null() const; 894 virtual const Type* remove_speculative() const; 895 virtual const Type* cleanup_speculative() const; 896 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const; 897 virtual bool would_improve_ptr(ProfilePtrKind maybe_null) const; 898 virtual const TypePtr* with_inline_depth(int depth) const; 899 900 virtual bool maybe_null() const { return meet_ptr(Null) == ptr(); } 901 902 // Tests for relation to centerline of type lattice: 903 static bool above_centerline(PTR ptr) { return (ptr <= AnyNull); } 904 static bool below_centerline(PTR ptr) { return (ptr >= NotNull); } 905 // Convenience common pre-built types. 906 static const TypePtr *NULL_PTR; 907 static const TypePtr *NOTNULL; 908 static const TypePtr *BOTTOM; 909 #ifndef PRODUCT 910 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 911 #endif 912 }; 913 914 //------------------------------TypeRawPtr------------------------------------- 915 // Class of raw pointers, pointers to things other than Oops. Examples 916 // include the stack pointer, top of heap, card-marking area, handles, etc. 917 class TypeRawPtr : public TypePtr { 918 protected: 919 TypeRawPtr( PTR ptr, address bits ) : TypePtr(RawPtr,ptr,0), _bits(bits){} 920 public: 921 virtual bool eq( const Type *t ) const; 922 virtual int hash() const; // Type specific hashing 923 924 const address _bits; // Constant value, if applicable 925 926 static const TypeRawPtr *make( PTR ptr ); 927 static const TypeRawPtr *make( address bits ); 928 929 // Return a 'ptr' version of this type 930 virtual const Type *cast_to_ptr_type(PTR ptr) const; 931 932 virtual intptr_t get_con() const; 933 934 virtual const TypePtr *add_offset( intptr_t offset ) const; 935 936 virtual const Type *xmeet( const Type *t ) const; 937 virtual const Type *xdual() const; // Compute dual right now. 938 // Convenience common pre-built types. 939 static const TypeRawPtr *BOTTOM; 940 static const TypeRawPtr *NOTNULL; 941 #ifndef PRODUCT 942 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 943 #endif 944 }; 945 946 //------------------------------TypeOopPtr------------------------------------- 947 // Some kind of oop (Java pointer), either instance or array. 948 class TypeOopPtr : public TypePtr { 949 protected: 950 TypeOopPtr(TYPES t, PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id, 951 const TypePtr* speculative, int inline_depth); 952 public: 953 virtual bool eq( const Type *t ) const; 954 virtual int hash() const; // Type specific hashing 955 virtual bool singleton(void) const; // TRUE if type is a singleton 956 enum { 957 InstanceTop = -1, // undefined instance 958 InstanceBot = 0 // any possible instance 959 }; 960 protected: 961 962 // Oop is NULL, unless this is a constant oop. 963 ciObject* _const_oop; // Constant oop 964 // If _klass is NULL, then so is _sig. This is an unloaded klass. 965 ciKlass* _klass; // Klass object 966 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.) 967 bool _klass_is_exact; 968 bool _is_ptr_to_narrowoop; 969 bool _is_ptr_to_narrowklass; 970 bool _is_ptr_to_boxed_value; 971 972 // If not InstanceTop or InstanceBot, indicates that this is 973 // a particular instance of this type which is distinct. 974 // This is the node index of the allocation node creating this instance. 975 int _instance_id; 976 977 static const TypeOopPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact); 978 979 int dual_instance_id() const; 980 int meet_instance_id(int uid) const; 981 982 // Do not allow interface-vs.-noninterface joins to collapse to top. 983 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 984 985 public: 986 // Creates a type given a klass. Correctly handles multi-dimensional arrays 987 // Respects UseUniqueSubclasses. 988 // If the klass is final, the resulting type will be exact. 989 static const TypeOopPtr* make_from_klass(ciKlass* klass) { 990 return make_from_klass_common(klass, true, false); 991 } 992 // Same as before, but will produce an exact type, even if 993 // the klass is not final, as long as it has exactly one implementation. 994 static const TypeOopPtr* make_from_klass_unique(ciKlass* klass) { 995 return make_from_klass_common(klass, true, true); 996 } 997 // Same as before, but does not respects UseUniqueSubclasses. 998 // Use this only for creating array element types. 999 static const TypeOopPtr* make_from_klass_raw(ciKlass* klass) { 1000 return make_from_klass_common(klass, false, false); 1001 } 1002 // Creates a singleton type given an object. 1003 // If the object cannot be rendered as a constant, 1004 // may return a non-singleton type. 1005 // If require_constant, produce a NULL if a singleton is not possible. 1006 static const TypeOopPtr* make_from_constant(ciObject* o, 1007 bool require_constant = false); 1008 1009 // Make a generic (unclassed) pointer to an oop. 1010 static const TypeOopPtr* make(PTR ptr, int offset, int instance_id, 1011 const TypePtr* speculative = NULL, 1012 int inline_depth = InlineDepthBottom); 1013 1014 ciObject* const_oop() const { return _const_oop; } 1015 virtual ciKlass* klass() const { return _klass; } 1016 bool klass_is_exact() const { return _klass_is_exact; } 1017 1018 // Returns true if this pointer points at memory which contains a 1019 // compressed oop references. 1020 bool is_ptr_to_narrowoop_nv() const { return _is_ptr_to_narrowoop; } 1021 bool is_ptr_to_narrowklass_nv() const { return _is_ptr_to_narrowklass; } 1022 bool is_ptr_to_boxed_value() const { return _is_ptr_to_boxed_value; } 1023 bool is_known_instance() const { return _instance_id > 0; } 1024 int instance_id() const { return _instance_id; } 1025 bool is_known_instance_field() const { return is_known_instance() && _offset >= 0; } 1026 1027 virtual intptr_t get_con() const; 1028 1029 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1030 1031 virtual const Type *cast_to_exactness(bool klass_is_exact) const; 1032 1033 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const; 1034 1035 virtual const TypeOopPtr *cast_to_nonconst() const; 1036 1037 // corresponding pointer to klass, for a given instance 1038 const TypeKlassPtr* as_klass_type() const; 1039 1040 virtual const TypePtr *add_offset( intptr_t offset ) const; 1041 1042 // Speculative type helper methods. 1043 virtual const Type* remove_speculative() const; 1044 virtual const Type* cleanup_speculative() const; 1045 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const; 1046 virtual const TypePtr* with_inline_depth(int depth) const; 1047 1048 virtual const Type *xdual() const; // Compute dual right now. 1049 // the core of the computation of the meet for TypeOopPtr and for its subclasses 1050 virtual const Type *xmeet_helper(const Type *t) const; 1051 1052 // Convenience common pre-built type. 1053 static const TypeOopPtr *BOTTOM; 1054 #ifndef PRODUCT 1055 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1056 #endif 1057 }; 1058 1059 //------------------------------TypeInstPtr------------------------------------ 1060 // Class of Java object pointers, pointing either to non-array Java instances 1061 // or to a Klass* (including array klasses). 1062 class TypeInstPtr : public TypeOopPtr { 1063 TypeInstPtr(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id, 1064 const TypePtr* speculative, int inline_depth); 1065 virtual bool eq( const Type *t ) const; 1066 virtual int hash() const; // Type specific hashing 1067 1068 ciSymbol* _name; // class name 1069 1070 public: 1071 ciSymbol* name() const { return _name; } 1072 1073 bool is_loaded() const { return _klass->is_loaded(); } 1074 1075 // Make a pointer to a constant oop. 1076 static const TypeInstPtr *make(ciObject* o) { 1077 return make(TypePtr::Constant, o->klass(), true, o, 0, InstanceBot); 1078 } 1079 // Make a pointer to a constant oop with offset. 1080 static const TypeInstPtr *make(ciObject* o, int offset) { 1081 return make(TypePtr::Constant, o->klass(), true, o, offset, InstanceBot); 1082 } 1083 1084 // Make a pointer to some value of type klass. 1085 static const TypeInstPtr *make(PTR ptr, ciKlass* klass) { 1086 return make(ptr, klass, false, NULL, 0, InstanceBot); 1087 } 1088 1089 // Make a pointer to some non-polymorphic value of exactly type klass. 1090 static const TypeInstPtr *make_exact(PTR ptr, ciKlass* klass) { 1091 return make(ptr, klass, true, NULL, 0, InstanceBot); 1092 } 1093 1094 // Make a pointer to some value of type klass with offset. 1095 static const TypeInstPtr *make(PTR ptr, ciKlass* klass, int offset) { 1096 return make(ptr, klass, false, NULL, offset, InstanceBot); 1097 } 1098 1099 // Make a pointer to an oop. 1100 static const TypeInstPtr *make(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, 1101 int instance_id = InstanceBot, 1102 const TypePtr* speculative = NULL, 1103 int inline_depth = InlineDepthBottom); 1104 1105 /** Create constant type for a constant boxed value */ 1106 const Type* get_const_boxed_value() const; 1107 1108 // If this is a java.lang.Class constant, return the type for it or NULL. 1109 // Pass to Type::get_const_type to turn it to a type, which will usually 1110 // be a TypeInstPtr, but may also be a TypeInt::INT for int.class, etc. 1111 ciType* java_mirror_type() const; 1112 1113 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1114 1115 virtual const Type *cast_to_exactness(bool klass_is_exact) const; 1116 1117 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const; 1118 1119 virtual const TypeOopPtr *cast_to_nonconst() const; 1120 1121 virtual const TypePtr *add_offset( intptr_t offset ) const; 1122 1123 // Speculative type helper methods. 1124 virtual const Type* remove_speculative() const; 1125 virtual const TypePtr* with_inline_depth(int depth) const; 1126 1127 // the core of the computation of the meet of 2 types 1128 virtual const Type *xmeet_helper(const Type *t) const; 1129 virtual const TypeInstPtr *xmeet_unloaded( const TypeInstPtr *t ) const; 1130 virtual const Type *xdual() const; // Compute dual right now. 1131 1132 // Convenience common pre-built types. 1133 static const TypeInstPtr *NOTNULL; 1134 static const TypeInstPtr *BOTTOM; 1135 static const TypeInstPtr *MIRROR; 1136 static const TypeInstPtr *MARK; 1137 static const TypeInstPtr *KLASS; 1138 #ifndef PRODUCT 1139 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping 1140 #endif 1141 }; 1142 1143 //------------------------------TypeAryPtr------------------------------------- 1144 // Class of Java array pointers 1145 class TypeAryPtr : public TypeOopPtr { 1146 TypeAryPtr( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, 1147 int offset, int instance_id, bool is_autobox_cache, 1148 const TypePtr* speculative, int inline_depth) 1149 : TypeOopPtr(AryPtr,ptr,k,xk,o,offset, instance_id, speculative, inline_depth), 1150 _ary(ary), 1151 _is_autobox_cache(is_autobox_cache) 1152 { 1153 #ifdef ASSERT 1154 if (k != NULL) { 1155 // Verify that specified klass and TypeAryPtr::klass() follow the same rules. 1156 ciKlass* ck = compute_klass(true); 1157 if (k != ck) { 1158 this->dump(); tty->cr(); 1159 tty->print(" k: "); 1160 k->print(); tty->cr(); 1161 tty->print("ck: "); 1162 if (ck != NULL) ck->print(); 1163 else tty->print("<NULL>"); 1164 tty->cr(); 1165 assert(false, "unexpected TypeAryPtr::_klass"); 1166 } 1167 } 1168 #endif 1169 } 1170 virtual bool eq( const Type *t ) const; 1171 virtual int hash() const; // Type specific hashing 1172 const TypeAry *_ary; // Array we point into 1173 const bool _is_autobox_cache; 1174 1175 ciKlass* compute_klass(DEBUG_ONLY(bool verify = false)) const; 1176 1177 public: 1178 // Accessors 1179 ciKlass* klass() const; 1180 const TypeAry* ary() const { return _ary; } 1181 const Type* elem() const { return _ary->_elem; } 1182 const TypeInt* size() const { return _ary->_size; } 1183 bool is_stable() const { return _ary->_stable; } 1184 1185 bool is_autobox_cache() const { return _is_autobox_cache; } 1186 1187 static const TypeAryPtr *make(PTR ptr, const TypeAry *ary, ciKlass* k, bool xk, int offset, 1188 int instance_id = InstanceBot, 1189 const TypePtr* speculative = NULL, 1190 int inline_depth = InlineDepthBottom); 1191 // Constant pointer to array 1192 static const TypeAryPtr *make(PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset, 1193 int instance_id = InstanceBot, 1194 const TypePtr* speculative = NULL, 1195 int inline_depth = InlineDepthBottom, bool is_autobox_cache = false); 1196 1197 // Return a 'ptr' version of this type 1198 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1199 1200 virtual const Type *cast_to_exactness(bool klass_is_exact) const; 1201 1202 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const; 1203 1204 virtual const TypeOopPtr *cast_to_nonconst() const; 1205 1206 virtual const TypeAryPtr* cast_to_size(const TypeInt* size) const; 1207 virtual const TypeInt* narrow_size_type(const TypeInt* size) const; 1208 1209 virtual bool empty(void) const; // TRUE if type is vacuous 1210 virtual const TypePtr *add_offset( intptr_t offset ) const; 1211 1212 // Speculative type helper methods. 1213 virtual const Type* remove_speculative() const; 1214 virtual const TypePtr* with_inline_depth(int depth) const; 1215 1216 // the core of the computation of the meet of 2 types 1217 virtual const Type *xmeet_helper(const Type *t) const; 1218 virtual const Type *xdual() const; // Compute dual right now. 1219 1220 const TypeAryPtr* cast_to_stable(bool stable, int stable_dimension = 1) const; 1221 int stable_dimension() const; 1222 1223 const TypeAryPtr* cast_to_autobox_cache(bool cache) const; 1224 1225 // Convenience common pre-built types. 1226 static const TypeAryPtr *RANGE; 1227 static const TypeAryPtr *OOPS; 1228 static const TypeAryPtr *NARROWOOPS; 1229 static const TypeAryPtr *BYTES; 1230 static const TypeAryPtr *SHORTS; 1231 static const TypeAryPtr *CHARS; 1232 static const TypeAryPtr *INTS; 1233 static const TypeAryPtr *LONGS; 1234 static const TypeAryPtr *FLOATS; 1235 static const TypeAryPtr *DOUBLES; 1236 // selects one of the above: 1237 static const TypeAryPtr *get_array_body_type(BasicType elem) { 1238 assert((uint)elem <= T_CONFLICT && _array_body_type[elem] != NULL, "bad elem type"); 1239 return _array_body_type[elem]; 1240 } 1241 static const TypeAryPtr *_array_body_type[T_CONFLICT+1]; 1242 // sharpen the type of an int which is used as an array size 1243 #ifdef ASSERT 1244 // One type is interface, the other is oop 1245 virtual bool interface_vs_oop(const Type *t) const; 1246 #endif 1247 #ifndef PRODUCT 1248 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping 1249 #endif 1250 }; 1251 1252 //------------------------------TypeMetadataPtr------------------------------------- 1253 // Some kind of metadata, either Method*, MethodData* or CPCacheOop 1254 class TypeMetadataPtr : public TypePtr { 1255 protected: 1256 TypeMetadataPtr(PTR ptr, ciMetadata* metadata, int offset); 1257 // Do not allow interface-vs.-noninterface joins to collapse to top. 1258 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 1259 public: 1260 virtual bool eq( const Type *t ) const; 1261 virtual int hash() const; // Type specific hashing 1262 virtual bool singleton(void) const; // TRUE if type is a singleton 1263 1264 private: 1265 ciMetadata* _metadata; 1266 1267 public: 1268 static const TypeMetadataPtr* make(PTR ptr, ciMetadata* m, int offset); 1269 1270 static const TypeMetadataPtr* make(ciMethod* m); 1271 static const TypeMetadataPtr* make(ciMethodData* m); 1272 1273 ciMetadata* metadata() const { return _metadata; } 1274 1275 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1276 1277 virtual const TypePtr *add_offset( intptr_t offset ) const; 1278 1279 virtual const Type *xmeet( const Type *t ) const; 1280 virtual const Type *xdual() const; // Compute dual right now. 1281 1282 virtual intptr_t get_con() const; 1283 1284 // Convenience common pre-built types. 1285 static const TypeMetadataPtr *BOTTOM; 1286 1287 #ifndef PRODUCT 1288 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1289 #endif 1290 }; 1291 1292 //------------------------------TypeKlassPtr----------------------------------- 1293 // Class of Java Klass pointers 1294 class TypeKlassPtr : public TypePtr { 1295 TypeKlassPtr( PTR ptr, ciKlass* klass, int offset ); 1296 1297 protected: 1298 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 1299 public: 1300 virtual bool eq( const Type *t ) const; 1301 virtual int hash() const; // Type specific hashing 1302 virtual bool singleton(void) const; // TRUE if type is a singleton 1303 private: 1304 1305 static const TypeKlassPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact); 1306 1307 ciKlass* _klass; 1308 1309 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.) 1310 bool _klass_is_exact; 1311 1312 public: 1313 ciSymbol* name() const { return klass()->name(); } 1314 1315 ciKlass* klass() const { return _klass; } 1316 bool klass_is_exact() const { return _klass_is_exact; } 1317 1318 bool is_loaded() const { return klass()->is_loaded(); } 1319 1320 // Creates a type given a klass. Correctly handles multi-dimensional arrays 1321 // Respects UseUniqueSubclasses. 1322 // If the klass is final, the resulting type will be exact. 1323 static const TypeKlassPtr* make_from_klass(ciKlass* klass) { 1324 return make_from_klass_common(klass, true, false); 1325 } 1326 // Same as before, but will produce an exact type, even if 1327 // the klass is not final, as long as it has exactly one implementation. 1328 static const TypeKlassPtr* make_from_klass_unique(ciKlass* klass) { 1329 return make_from_klass_common(klass, true, true); 1330 } 1331 // Same as before, but does not respects UseUniqueSubclasses. 1332 // Use this only for creating array element types. 1333 static const TypeKlassPtr* make_from_klass_raw(ciKlass* klass) { 1334 return make_from_klass_common(klass, false, false); 1335 } 1336 1337 // Make a generic (unclassed) pointer to metadata. 1338 static const TypeKlassPtr* make(PTR ptr, int offset); 1339 1340 // ptr to klass 'k' 1341 static const TypeKlassPtr *make( ciKlass* k ) { return make( TypePtr::Constant, k, 0); } 1342 // ptr to klass 'k' with offset 1343 static const TypeKlassPtr *make( ciKlass* k, int offset ) { return make( TypePtr::Constant, k, offset); } 1344 // ptr to klass 'k' or sub-klass 1345 static const TypeKlassPtr *make( PTR ptr, ciKlass* k, int offset); 1346 1347 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1348 1349 virtual const Type *cast_to_exactness(bool klass_is_exact) const; 1350 1351 // corresponding pointer to instance, for a given class 1352 const TypeOopPtr* as_instance_type() const; 1353 1354 virtual const TypePtr *add_offset( intptr_t offset ) const; 1355 virtual const Type *xmeet( const Type *t ) const; 1356 virtual const Type *xdual() const; // Compute dual right now. 1357 1358 virtual intptr_t get_con() const; 1359 1360 // Convenience common pre-built types. 1361 static const TypeKlassPtr* OBJECT; // Not-null object klass or below 1362 static const TypeKlassPtr* OBJECT_OR_NULL; // Maybe-null version of same 1363 #ifndef PRODUCT 1364 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping 1365 #endif 1366 }; 1367 1368 class TypeNarrowPtr : public Type { 1369 protected: 1370 const TypePtr* _ptrtype; // Could be TypePtr::NULL_PTR 1371 1372 TypeNarrowPtr(TYPES t, const TypePtr* ptrtype): Type(t), 1373 _ptrtype(ptrtype) { 1374 assert(ptrtype->offset() == 0 || 1375 ptrtype->offset() == OffsetBot || 1376 ptrtype->offset() == OffsetTop, "no real offsets"); 1377 } 1378 1379 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const = 0; 1380 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const = 0; 1381 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const = 0; 1382 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const = 0; 1383 // Do not allow interface-vs.-noninterface joins to collapse to top. 1384 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 1385 public: 1386 virtual bool eq( const Type *t ) const; 1387 virtual int hash() const; // Type specific hashing 1388 virtual bool singleton(void) const; // TRUE if type is a singleton 1389 1390 virtual const Type *xmeet( const Type *t ) const; 1391 virtual const Type *xdual() const; // Compute dual right now. 1392 1393 virtual intptr_t get_con() const; 1394 1395 virtual bool empty(void) const; // TRUE if type is vacuous 1396 1397 // returns the equivalent ptr type for this compressed pointer 1398 const TypePtr *get_ptrtype() const { 1399 return _ptrtype; 1400 } 1401 1402 #ifndef PRODUCT 1403 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1404 #endif 1405 }; 1406 1407 //------------------------------TypeNarrowOop---------------------------------- 1408 // A compressed reference to some kind of Oop. This type wraps around 1409 // a preexisting TypeOopPtr and forwards most of it's operations to 1410 // the underlying type. It's only real purpose is to track the 1411 // oopness of the compressed oop value when we expose the conversion 1412 // between the normal and the compressed form. 1413 class TypeNarrowOop : public TypeNarrowPtr { 1414 protected: 1415 TypeNarrowOop( const TypePtr* ptrtype): TypeNarrowPtr(NarrowOop, ptrtype) { 1416 } 1417 1418 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const { 1419 return t->isa_narrowoop(); 1420 } 1421 1422 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const { 1423 return t->is_narrowoop(); 1424 } 1425 1426 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const { 1427 return new TypeNarrowOop(t); 1428 } 1429 1430 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const { 1431 return (const TypeNarrowPtr*)((new TypeNarrowOop(t))->hashcons()); 1432 } 1433 1434 public: 1435 1436 static const TypeNarrowOop *make( const TypePtr* type); 1437 1438 static const TypeNarrowOop* make_from_constant(ciObject* con, bool require_constant = false) { 1439 return make(TypeOopPtr::make_from_constant(con, require_constant)); 1440 } 1441 1442 static const TypeNarrowOop *BOTTOM; 1443 static const TypeNarrowOop *NULL_PTR; 1444 1445 virtual const Type* remove_speculative() const; 1446 virtual const Type* cleanup_speculative() const; 1447 1448 #ifndef PRODUCT 1449 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1450 #endif 1451 }; 1452 1453 //------------------------------TypeNarrowKlass---------------------------------- 1454 // A compressed reference to klass pointer. This type wraps around a 1455 // preexisting TypeKlassPtr and forwards most of it's operations to 1456 // the underlying type. 1457 class TypeNarrowKlass : public TypeNarrowPtr { 1458 protected: 1459 TypeNarrowKlass( const TypePtr* ptrtype): TypeNarrowPtr(NarrowKlass, ptrtype) { 1460 } 1461 1462 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const { 1463 return t->isa_narrowklass(); 1464 } 1465 1466 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const { 1467 return t->is_narrowklass(); 1468 } 1469 1470 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const { 1471 return new TypeNarrowKlass(t); 1472 } 1473 1474 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const { 1475 return (const TypeNarrowPtr*)((new TypeNarrowKlass(t))->hashcons()); 1476 } 1477 1478 public: 1479 static const TypeNarrowKlass *make( const TypePtr* type); 1480 1481 // static const TypeNarrowKlass *BOTTOM; 1482 static const TypeNarrowKlass *NULL_PTR; 1483 1484 #ifndef PRODUCT 1485 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1486 #endif 1487 }; 1488 1489 //------------------------------TypeFunc--------------------------------------- 1490 // Class of Array Types 1491 class TypeFunc : public Type { 1492 TypeFunc( const TypeTuple *domain, const TypeTuple *range ) : Type(Function), _domain(domain), _range(range) {} 1493 virtual bool eq( const Type *t ) const; 1494 virtual int hash() const; // Type specific hashing 1495 virtual bool singleton(void) const; // TRUE if type is a singleton 1496 virtual bool empty(void) const; // TRUE if type is vacuous 1497 1498 const TypeTuple* const _domain; // Domain of inputs 1499 const TypeTuple* const _range; // Range of results 1500 1501 public: 1502 // Constants are shared among ADLC and VM 1503 enum { Control = AdlcVMDeps::Control, 1504 I_O = AdlcVMDeps::I_O, 1505 Memory = AdlcVMDeps::Memory, 1506 FramePtr = AdlcVMDeps::FramePtr, 1507 ReturnAdr = AdlcVMDeps::ReturnAdr, 1508 Parms = AdlcVMDeps::Parms 1509 }; 1510 1511 1512 // Accessors: 1513 const TypeTuple* domain() const { return _domain; } 1514 const TypeTuple* range() const { return _range; } 1515 1516 static const TypeFunc *make(ciMethod* method); 1517 static const TypeFunc *make(ciSignature signature, const Type* extra); 1518 static const TypeFunc *make(const TypeTuple* domain, const TypeTuple* range); 1519 1520 virtual const Type *xmeet( const Type *t ) const; 1521 virtual const Type *xdual() const; // Compute dual right now. 1522 1523 BasicType return_type() const; 1524 1525 #ifndef PRODUCT 1526 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping 1527 #endif 1528 // Convenience common pre-built types. 1529 }; 1530 1531 //------------------------------accessors-------------------------------------- 1532 inline bool Type::is_ptr_to_narrowoop() const { 1533 #ifdef _LP64 1534 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowoop_nv()); 1535 #else 1536 return false; 1537 #endif 1538 } 1539 1540 inline bool Type::is_ptr_to_narrowklass() const { 1541 #ifdef _LP64 1542 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowklass_nv()); 1543 #else 1544 return false; 1545 #endif 1546 } 1547 1548 inline float Type::getf() const { 1549 assert( _base == FloatCon, "Not a FloatCon" ); 1550 return ((TypeF*)this)->_f; 1551 } 1552 1553 inline double Type::getd() const { 1554 assert( _base == DoubleCon, "Not a DoubleCon" ); 1555 return ((TypeD*)this)->_d; 1556 } 1557 1558 inline const TypeInt *Type::is_int() const { 1559 assert( _base == Int, "Not an Int" ); 1560 return (TypeInt*)this; 1561 } 1562 1563 inline const TypeInt *Type::isa_int() const { 1564 return ( _base == Int ? (TypeInt*)this : NULL); 1565 } 1566 1567 inline const TypeLong *Type::is_long() const { 1568 assert( _base == Long, "Not a Long" ); 1569 return (TypeLong*)this; 1570 } 1571 1572 inline const TypeLong *Type::isa_long() const { 1573 return ( _base == Long ? (TypeLong*)this : NULL); 1574 } 1575 1576 inline const TypeF *Type::isa_float() const { 1577 return ((_base == FloatTop || 1578 _base == FloatCon || 1579 _base == FloatBot) ? (TypeF*)this : NULL); 1580 } 1581 1582 inline const TypeF *Type::is_float_constant() const { 1583 assert( _base == FloatCon, "Not a Float" ); 1584 return (TypeF*)this; 1585 } 1586 1587 inline const TypeF *Type::isa_float_constant() const { 1588 return ( _base == FloatCon ? (TypeF*)this : NULL); 1589 } 1590 1591 inline const TypeD *Type::isa_double() const { 1592 return ((_base == DoubleTop || 1593 _base == DoubleCon || 1594 _base == DoubleBot) ? (TypeD*)this : NULL); 1595 } 1596 1597 inline const TypeD *Type::is_double_constant() const { 1598 assert( _base == DoubleCon, "Not a Double" ); 1599 return (TypeD*)this; 1600 } 1601 1602 inline const TypeD *Type::isa_double_constant() const { 1603 return ( _base == DoubleCon ? (TypeD*)this : NULL); 1604 } 1605 1606 inline const TypeTuple *Type::is_tuple() const { 1607 assert( _base == Tuple, "Not a Tuple" ); 1608 return (TypeTuple*)this; 1609 } 1610 1611 inline const TypeAry *Type::is_ary() const { 1612 assert( _base == Array , "Not an Array" ); 1613 return (TypeAry*)this; 1614 } 1615 1616 inline const TypeVect *Type::is_vect() const { 1617 assert( _base >= VectorS && _base <= VectorZ, "Not a Vector" ); 1618 return (TypeVect*)this; 1619 } 1620 1621 inline const TypeVect *Type::isa_vect() const { 1622 return (_base >= VectorS && _base <= VectorZ) ? (TypeVect*)this : NULL; 1623 } 1624 1625 inline const TypePtr *Type::is_ptr() const { 1626 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between. 1627 assert(_base >= AnyPtr && _base <= KlassPtr, "Not a pointer"); 1628 return (TypePtr*)this; 1629 } 1630 1631 inline const TypePtr *Type::isa_ptr() const { 1632 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between. 1633 return (_base >= AnyPtr && _base <= KlassPtr) ? (TypePtr*)this : NULL; 1634 } 1635 1636 inline const TypeOopPtr *Type::is_oopptr() const { 1637 // OopPtr is the first and KlassPtr the last, with no non-oops between. 1638 assert(_base >= OopPtr && _base <= AryPtr, "Not a Java pointer" ) ; 1639 return (TypeOopPtr*)this; 1640 } 1641 1642 inline const TypeOopPtr *Type::isa_oopptr() const { 1643 // OopPtr is the first and KlassPtr the last, with no non-oops between. 1644 return (_base >= OopPtr && _base <= AryPtr) ? (TypeOopPtr*)this : NULL; 1645 } 1646 1647 inline const TypeRawPtr *Type::isa_rawptr() const { 1648 return (_base == RawPtr) ? (TypeRawPtr*)this : NULL; 1649 } 1650 1651 inline const TypeRawPtr *Type::is_rawptr() const { 1652 assert( _base == RawPtr, "Not a raw pointer" ); 1653 return (TypeRawPtr*)this; 1654 } 1655 1656 inline const TypeInstPtr *Type::isa_instptr() const { 1657 return (_base == InstPtr) ? (TypeInstPtr*)this : NULL; 1658 } 1659 1660 inline const TypeInstPtr *Type::is_instptr() const { 1661 assert( _base == InstPtr, "Not an object pointer" ); 1662 return (TypeInstPtr*)this; 1663 } 1664 1665 inline const TypeAryPtr *Type::isa_aryptr() const { 1666 return (_base == AryPtr) ? (TypeAryPtr*)this : NULL; 1667 } 1668 1669 inline const TypeAryPtr *Type::is_aryptr() const { 1670 assert( _base == AryPtr, "Not an array pointer" ); 1671 return (TypeAryPtr*)this; 1672 } 1673 1674 inline const TypeNarrowOop *Type::is_narrowoop() const { 1675 // OopPtr is the first and KlassPtr the last, with no non-oops between. 1676 assert(_base == NarrowOop, "Not a narrow oop" ) ; 1677 return (TypeNarrowOop*)this; 1678 } 1679 1680 inline const TypeNarrowOop *Type::isa_narrowoop() const { 1681 // OopPtr is the first and KlassPtr the last, with no non-oops between. 1682 return (_base == NarrowOop) ? (TypeNarrowOop*)this : NULL; 1683 } 1684 1685 inline const TypeNarrowKlass *Type::is_narrowklass() const { 1686 assert(_base == NarrowKlass, "Not a narrow oop" ) ; 1687 return (TypeNarrowKlass*)this; 1688 } 1689 1690 inline const TypeNarrowKlass *Type::isa_narrowklass() const { 1691 return (_base == NarrowKlass) ? (TypeNarrowKlass*)this : NULL; 1692 } 1693 1694 inline const TypeMetadataPtr *Type::is_metadataptr() const { 1695 // MetadataPtr is the first and CPCachePtr the last 1696 assert(_base == MetadataPtr, "Not a metadata pointer" ) ; 1697 return (TypeMetadataPtr*)this; 1698 } 1699 1700 inline const TypeMetadataPtr *Type::isa_metadataptr() const { 1701 return (_base == MetadataPtr) ? (TypeMetadataPtr*)this : NULL; 1702 } 1703 1704 inline const TypeKlassPtr *Type::isa_klassptr() const { 1705 return (_base == KlassPtr) ? (TypeKlassPtr*)this : NULL; 1706 } 1707 1708 inline const TypeKlassPtr *Type::is_klassptr() const { 1709 assert( _base == KlassPtr, "Not a klass pointer" ); 1710 return (TypeKlassPtr*)this; 1711 } 1712 1713 inline const TypePtr* Type::make_ptr() const { 1714 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype() : 1715 ((_base == NarrowKlass) ? is_narrowklass()->get_ptrtype() : 1716 isa_ptr()); 1717 } 1718 1719 inline const TypeOopPtr* Type::make_oopptr() const { 1720 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype()->isa_oopptr() : isa_oopptr(); 1721 } 1722 1723 inline const TypeNarrowOop* Type::make_narrowoop() const { 1724 return (_base == NarrowOop) ? is_narrowoop() : 1725 (isa_ptr() ? TypeNarrowOop::make(is_ptr()) : NULL); 1726 } 1727 1728 inline const TypeNarrowKlass* Type::make_narrowklass() const { 1729 return (_base == NarrowKlass) ? is_narrowklass() : 1730 (isa_ptr() ? TypeNarrowKlass::make(is_ptr()) : NULL); 1731 } 1732 1733 inline bool Type::is_floatingpoint() const { 1734 if( (_base == FloatCon) || (_base == FloatBot) || 1735 (_base == DoubleCon) || (_base == DoubleBot) ) 1736 return true; 1737 return false; 1738 } 1739 1740 inline bool Type::is_ptr_to_boxing_obj() const { 1741 const TypeInstPtr* tp = isa_instptr(); 1742 return (tp != NULL) && (tp->offset() == 0) && 1743 tp->klass()->is_instance_klass() && 1744 tp->klass()->as_instance_klass()->is_box_klass(); 1745 } 1746 1747 1748 // =============================================================== 1749 // Things that need to be 64-bits in the 64-bit build but 1750 // 32-bits in the 32-bit build. Done this way to get full 1751 // optimization AND strong typing. 1752 #ifdef _LP64 1753 1754 // For type queries and asserts 1755 #define is_intptr_t is_long 1756 #define isa_intptr_t isa_long 1757 #define find_intptr_t_type find_long_type 1758 #define find_intptr_t_con find_long_con 1759 #define TypeX TypeLong 1760 #define Type_X Type::Long 1761 #define TypeX_X TypeLong::LONG 1762 #define TypeX_ZERO TypeLong::ZERO 1763 // For 'ideal_reg' machine registers 1764 #define Op_RegX Op_RegL 1765 // For phase->intcon variants 1766 #define MakeConX longcon 1767 #define ConXNode ConLNode 1768 // For array index arithmetic 1769 #define MulXNode MulLNode 1770 #define AndXNode AndLNode 1771 #define OrXNode OrLNode 1772 #define CmpXNode CmpLNode 1773 #define SubXNode SubLNode 1774 #define LShiftXNode LShiftLNode 1775 // For object size computation: 1776 #define AddXNode AddLNode 1777 #define RShiftXNode RShiftLNode 1778 // For card marks and hashcodes 1779 #define URShiftXNode URShiftLNode 1780 // UseOptoBiasInlining 1781 #define XorXNode XorLNode 1782 #define StoreXConditionalNode StoreLConditionalNode 1783 #define LoadXNode LoadLNode 1784 #define StoreXNode StoreLNode 1785 // Opcodes 1786 #define Op_LShiftX Op_LShiftL 1787 #define Op_AndX Op_AndL 1788 #define Op_AddX Op_AddL 1789 #define Op_SubX Op_SubL 1790 #define Op_XorX Op_XorL 1791 #define Op_URShiftX Op_URShiftL 1792 // conversions 1793 #define ConvI2X(x) ConvI2L(x) 1794 #define ConvL2X(x) (x) 1795 #define ConvX2I(x) ConvL2I(x) 1796 #define ConvX2L(x) (x) 1797 #define ConvX2UL(x) (x) 1798 1799 #else 1800 1801 // For type queries and asserts 1802 #define is_intptr_t is_int 1803 #define isa_intptr_t isa_int 1804 #define find_intptr_t_type find_int_type 1805 #define find_intptr_t_con find_int_con 1806 #define TypeX TypeInt 1807 #define Type_X Type::Int 1808 #define TypeX_X TypeInt::INT 1809 #define TypeX_ZERO TypeInt::ZERO 1810 // For 'ideal_reg' machine registers 1811 #define Op_RegX Op_RegI 1812 // For phase->intcon variants 1813 #define MakeConX intcon 1814 #define ConXNode ConINode 1815 // For array index arithmetic 1816 #define MulXNode MulINode 1817 #define AndXNode AndINode 1818 #define OrXNode OrINode 1819 #define CmpXNode CmpINode 1820 #define SubXNode SubINode 1821 #define LShiftXNode LShiftINode 1822 // For object size computation: 1823 #define AddXNode AddINode 1824 #define RShiftXNode RShiftINode 1825 // For card marks and hashcodes 1826 #define URShiftXNode URShiftINode 1827 // UseOptoBiasInlining 1828 #define XorXNode XorINode 1829 #define StoreXConditionalNode StoreIConditionalNode 1830 #define LoadXNode LoadINode 1831 #define StoreXNode StoreINode 1832 // Opcodes 1833 #define Op_LShiftX Op_LShiftI 1834 #define Op_AndX Op_AndI 1835 #define Op_AddX Op_AddI 1836 #define Op_SubX Op_SubI 1837 #define Op_XorX Op_XorI 1838 #define Op_URShiftX Op_URShiftI 1839 // conversions 1840 #define ConvI2X(x) (x) 1841 #define ConvL2X(x) ConvL2I(x) 1842 #define ConvX2I(x) (x) 1843 #define ConvX2L(x) ConvI2L(x) 1844 #define ConvX2UL(x) ConvI2UL(x) 1845 1846 #endif 1847 1848 #endif // SHARE_VM_OPTO_TYPE_HPP