1 /* 2 * Copyright (c) 1997, 2017, 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 #ifndef PRODUCT 487 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 488 #endif 489 }; 490 491 //------------------------------TypeD------------------------------------------ 492 // Class of Double-Constant Types. 493 class TypeD : public Type { 494 TypeD( double d ) : Type(DoubleCon), _d(d) {}; 495 public: 496 virtual bool eq( const Type *t ) const; 497 virtual int hash() const; // Type specific hashing 498 virtual bool singleton(void) const; // TRUE if type is a singleton 499 virtual bool empty(void) const; // TRUE if type is vacuous 500 public: 501 const double _d; // Double constant 502 503 static const TypeD *make(double d); 504 505 virtual bool is_finite() const; // Has a finite value 506 virtual bool is_nan() const; // Is not a number (NaN) 507 508 virtual const Type *xmeet( const Type *t ) const; 509 virtual const Type *xdual() const; // Compute dual right now. 510 // Convenience common pre-built types. 511 static const TypeD *ZERO; // positive zero only 512 static const TypeD *ONE; 513 #ifndef PRODUCT 514 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 515 #endif 516 }; 517 518 //------------------------------TypeInt---------------------------------------- 519 // Class of integer ranges, the set of integers between a lower bound and an 520 // upper bound, inclusive. 521 class TypeInt : public Type { 522 TypeInt( jint lo, jint hi, int w ); 523 protected: 524 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 525 526 public: 527 typedef jint NativeType; 528 virtual bool eq( const Type *t ) const; 529 virtual int hash() const; // Type specific hashing 530 virtual bool singleton(void) const; // TRUE if type is a singleton 531 virtual bool empty(void) const; // TRUE if type is vacuous 532 const jint _lo, _hi; // Lower bound, upper bound 533 const short _widen; // Limit on times we widen this sucker 534 535 static const TypeInt *make(jint lo); 536 // must always specify w 537 static const TypeInt *make(jint lo, jint hi, int w); 538 539 // Check for single integer 540 int is_con() const { return _lo==_hi; } 541 bool is_con(int i) const { return is_con() && _lo == i; } 542 jint get_con() const { assert( is_con(), "" ); return _lo; } 543 544 virtual bool is_finite() const; // Has a finite value 545 546 virtual const Type *xmeet( const Type *t ) const; 547 virtual const Type *xdual() const; // Compute dual right now. 548 virtual const Type *widen( const Type *t, const Type* limit_type ) const; 549 virtual const Type *narrow( const Type *t ) const; 550 // Do not kill _widen bits. 551 // Convenience common pre-built types. 552 static const TypeInt *MINUS_1; 553 static const TypeInt *ZERO; 554 static const TypeInt *ONE; 555 static const TypeInt *BOOL; 556 static const TypeInt *CC; 557 static const TypeInt *CC_LT; // [-1] == MINUS_1 558 static const TypeInt *CC_GT; // [1] == ONE 559 static const TypeInt *CC_EQ; // [0] == ZERO 560 static const TypeInt *CC_LE; // [-1,0] 561 static const TypeInt *CC_GE; // [0,1] == BOOL (!) 562 static const TypeInt *BYTE; 563 static const TypeInt *UBYTE; 564 static const TypeInt *CHAR; 565 static const TypeInt *SHORT; 566 static const TypeInt *POS; 567 static const TypeInt *POS1; 568 static const TypeInt *INT; 569 static const TypeInt *SYMINT; // symmetric range [-max_jint..max_jint] 570 static const TypeInt *TYPE_DOMAIN; // alias for TypeInt::INT 571 572 static const TypeInt *as_self(const Type *t) { return t->is_int(); } 573 #ifndef PRODUCT 574 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 575 #endif 576 }; 577 578 579 //------------------------------TypeLong--------------------------------------- 580 // Class of long integer ranges, the set of integers between a lower bound and 581 // an upper bound, inclusive. 582 class TypeLong : public Type { 583 TypeLong( jlong lo, jlong hi, int w ); 584 protected: 585 // Do not kill _widen bits. 586 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 587 public: 588 typedef jlong NativeType; 589 virtual bool eq( const Type *t ) const; 590 virtual int hash() const; // Type specific hashing 591 virtual bool singleton(void) const; // TRUE if type is a singleton 592 virtual bool empty(void) const; // TRUE if type is vacuous 593 public: 594 const jlong _lo, _hi; // Lower bound, upper bound 595 const short _widen; // Limit on times we widen this sucker 596 597 static const TypeLong *make(jlong lo); 598 // must always specify w 599 static const TypeLong *make(jlong lo, jlong hi, int w); 600 601 // Check for single integer 602 int is_con() const { return _lo==_hi; } 603 bool is_con(int i) const { return is_con() && _lo == i; } 604 jlong get_con() const { assert( is_con(), "" ); return _lo; } 605 606 // Check for positive 32-bit value. 607 int is_positive_int() const { return _lo >= 0 && _hi <= (jlong)max_jint; } 608 609 virtual bool is_finite() const; // Has a finite value 610 611 612 virtual const Type *xmeet( const Type *t ) const; 613 virtual const Type *xdual() const; // Compute dual right now. 614 virtual const Type *widen( const Type *t, const Type* limit_type ) const; 615 virtual const Type *narrow( const Type *t ) const; 616 // Convenience common pre-built types. 617 static const TypeLong *MINUS_1; 618 static const TypeLong *ZERO; 619 static const TypeLong *ONE; 620 static const TypeLong *POS; 621 static const TypeLong *LONG; 622 static const TypeLong *INT; // 32-bit subrange [min_jint..max_jint] 623 static const TypeLong *UINT; // 32-bit unsigned [0..max_juint] 624 static const TypeLong *TYPE_DOMAIN; // alias for TypeLong::LONG 625 626 // static convenience methods. 627 static const TypeLong *as_self(const Type *t) { return t->is_long(); } 628 629 #ifndef PRODUCT 630 virtual void dump2( Dict &d, uint, outputStream *st ) const;// Specialized per-Type dumping 631 #endif 632 }; 633 634 //------------------------------TypeTuple-------------------------------------- 635 // Class of Tuple Types, essentially type collections for function signatures 636 // and class layouts. It happens to also be a fast cache for the HotSpot 637 // signature types. 638 class TypeTuple : public Type { 639 TypeTuple( uint cnt, const Type **fields ) : Type(Tuple), _cnt(cnt), _fields(fields) { } 640 641 const uint _cnt; // Count of fields 642 const Type ** const _fields; // Array of field types 643 644 public: 645 virtual bool eq( const Type *t ) const; 646 virtual int hash() const; // Type specific hashing 647 virtual bool singleton(void) const; // TRUE if type is a singleton 648 virtual bool empty(void) const; // TRUE if type is vacuous 649 650 // Accessors: 651 uint cnt() const { return _cnt; } 652 const Type* field_at(uint i) const { 653 assert(i < _cnt, "oob"); 654 return _fields[i]; 655 } 656 void set_field_at(uint i, const Type* t) { 657 assert(i < _cnt, "oob"); 658 _fields[i] = t; 659 } 660 661 static const TypeTuple *make( uint cnt, const Type **fields ); 662 static const TypeTuple *make_range(ciSignature *sig); 663 static const TypeTuple *make_domain(ciInstanceKlass* recv, ciSignature *sig); 664 665 // Subroutine call type with space allocated for argument types 666 // Memory for Control, I_O, Memory, FramePtr, and ReturnAdr is allocated implicitly 667 static const Type **fields( uint arg_cnt ); 668 669 virtual const Type *xmeet( const Type *t ) const; 670 virtual const Type *xdual() const; // Compute dual right now. 671 // Convenience common pre-built types. 672 static const TypeTuple *IFBOTH; 673 static const TypeTuple *IFFALSE; 674 static const TypeTuple *IFTRUE; 675 static const TypeTuple *IFNEITHER; 676 static const TypeTuple *LOOPBODY; 677 static const TypeTuple *MEMBAR; 678 static const TypeTuple *STORECONDITIONAL; 679 static const TypeTuple *START_I2C; 680 static const TypeTuple *INT_PAIR; 681 static const TypeTuple *LONG_PAIR; 682 static const TypeTuple *INT_CC_PAIR; 683 static const TypeTuple *LONG_CC_PAIR; 684 #ifndef PRODUCT 685 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping 686 #endif 687 }; 688 689 //------------------------------TypeAry---------------------------------------- 690 // Class of Array Types 691 class TypeAry : public Type { 692 TypeAry(const Type* elem, const TypeInt* size, bool stable) : Type(Array), 693 _elem(elem), _size(size), _stable(stable) {} 694 public: 695 virtual bool eq( const Type *t ) const; 696 virtual int hash() const; // Type specific hashing 697 virtual bool singleton(void) const; // TRUE if type is a singleton 698 virtual bool empty(void) const; // TRUE if type is vacuous 699 700 private: 701 const Type *_elem; // Element type of array 702 const TypeInt *_size; // Elements in array 703 const bool _stable; // Are elements @Stable? 704 friend class TypeAryPtr; 705 706 public: 707 static const TypeAry* make(const Type* elem, const TypeInt* size, bool stable = false); 708 709 virtual const Type *xmeet( const Type *t ) const; 710 virtual const Type *xdual() const; // Compute dual right now. 711 bool ary_must_be_exact() const; // true if arrays of such are never generic 712 virtual const Type* remove_speculative() const; 713 virtual const Type* cleanup_speculative() const; 714 #ifdef ASSERT 715 // One type is interface, the other is oop 716 virtual bool interface_vs_oop(const Type *t) const; 717 #endif 718 #ifndef PRODUCT 719 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping 720 #endif 721 }; 722 723 //------------------------------TypeVect--------------------------------------- 724 // Class of Vector Types 725 class TypeVect : public Type { 726 const Type* _elem; // Vector's element type 727 const uint _length; // Elements in vector (power of 2) 728 729 protected: 730 TypeVect(TYPES t, const Type* elem, uint length) : Type(t), 731 _elem(elem), _length(length) {} 732 733 public: 734 const Type* element_type() const { return _elem; } 735 BasicType element_basic_type() const { return _elem->array_element_basic_type(); } 736 uint length() const { return _length; } 737 uint length_in_bytes() const { 738 return _length * type2aelembytes(element_basic_type()); 739 } 740 741 virtual bool eq(const Type *t) const; 742 virtual int hash() const; // Type specific hashing 743 virtual bool singleton(void) const; // TRUE if type is a singleton 744 virtual bool empty(void) const; // TRUE if type is vacuous 745 746 static const TypeVect *make(const BasicType elem_bt, uint length) { 747 // Use bottom primitive type. 748 return make(get_const_basic_type(elem_bt), length); 749 } 750 // Used directly by Replicate nodes to construct singleton vector. 751 static const TypeVect *make(const Type* elem, uint length); 752 753 virtual const Type *xmeet( const Type *t) const; 754 virtual const Type *xdual() const; // Compute dual right now. 755 756 static const TypeVect *VECTS; 757 static const TypeVect *VECTD; 758 static const TypeVect *VECTX; 759 static const TypeVect *VECTY; 760 static const TypeVect *VECTZ; 761 762 #ifndef PRODUCT 763 virtual void dump2(Dict &d, uint, outputStream *st) const; // Specialized per-Type dumping 764 #endif 765 }; 766 767 class TypeVectS : public TypeVect { 768 friend class TypeVect; 769 TypeVectS(const Type* elem, uint length) : TypeVect(VectorS, elem, length) {} 770 }; 771 772 class TypeVectD : public TypeVect { 773 friend class TypeVect; 774 TypeVectD(const Type* elem, uint length) : TypeVect(VectorD, elem, length) {} 775 }; 776 777 class TypeVectX : public TypeVect { 778 friend class TypeVect; 779 TypeVectX(const Type* elem, uint length) : TypeVect(VectorX, elem, length) {} 780 }; 781 782 class TypeVectY : public TypeVect { 783 friend class TypeVect; 784 TypeVectY(const Type* elem, uint length) : TypeVect(VectorY, elem, length) {} 785 }; 786 787 class TypeVectZ : public TypeVect { 788 friend class TypeVect; 789 TypeVectZ(const Type* elem, uint length) : TypeVect(VectorZ, elem, length) {} 790 }; 791 792 //------------------------------TypePtr---------------------------------------- 793 // Class of machine Pointer Types: raw data, instances or arrays. 794 // If the _base enum is AnyPtr, then this refers to all of the above. 795 // Otherwise the _base will indicate which subset of pointers is affected, 796 // and the class will be inherited from. 797 class TypePtr : public Type { 798 friend class TypeNarrowPtr; 799 public: 800 enum PTR { TopPTR, AnyNull, Constant, Null, NotNull, BotPTR, lastPTR }; 801 protected: 802 TypePtr(TYPES t, PTR ptr, int offset, 803 const TypePtr* speculative = NULL, 804 int inline_depth = InlineDepthBottom) : 805 Type(t), _speculative(speculative), _inline_depth(inline_depth), _offset(offset), 806 _ptr(ptr) {} 807 static const PTR ptr_meet[lastPTR][lastPTR]; 808 static const PTR ptr_dual[lastPTR]; 809 static const char * const ptr_msg[lastPTR]; 810 811 enum { 812 InlineDepthBottom = INT_MAX, 813 InlineDepthTop = -InlineDepthBottom 814 }; 815 816 // Extra type information profiling gave us. We propagate it the 817 // same way the rest of the type info is propagated. If we want to 818 // use it, then we have to emit a guard: this part of the type is 819 // not something we know but something we speculate about the type. 820 const TypePtr* _speculative; 821 // For speculative types, we record at what inlining depth the 822 // profiling point that provided the data is. We want to favor 823 // profile data coming from outer scopes which are likely better for 824 // the current compilation. 825 int _inline_depth; 826 827 // utility methods to work on the speculative part of the type 828 const TypePtr* dual_speculative() const; 829 const TypePtr* xmeet_speculative(const TypePtr* other) const; 830 bool eq_speculative(const TypePtr* other) const; 831 int hash_speculative() const; 832 const TypePtr* add_offset_speculative(intptr_t offset) const; 833 #ifndef PRODUCT 834 void dump_speculative(outputStream *st) const; 835 #endif 836 837 // utility methods to work on the inline depth of the type 838 int dual_inline_depth() const; 839 int meet_inline_depth(int depth) const; 840 #ifndef PRODUCT 841 void dump_inline_depth(outputStream *st) const; 842 #endif 843 844 public: 845 const int _offset; // Offset into oop, with TOP & BOT 846 const PTR _ptr; // Pointer equivalence class 847 848 const int offset() const { return _offset; } 849 const PTR ptr() const { return _ptr; } 850 851 static const TypePtr *make(TYPES t, PTR ptr, int offset, 852 const TypePtr* speculative = NULL, 853 int inline_depth = InlineDepthBottom); 854 855 // Return a 'ptr' version of this type 856 virtual const Type *cast_to_ptr_type(PTR ptr) const; 857 858 virtual intptr_t get_con() const; 859 860 int xadd_offset( intptr_t offset ) const; 861 virtual const TypePtr *add_offset( intptr_t offset ) const; 862 virtual bool eq(const Type *t) const; 863 virtual int hash() const; // Type specific hashing 864 865 virtual bool singleton(void) const; // TRUE if type is a singleton 866 virtual bool empty(void) const; // TRUE if type is vacuous 867 virtual const Type *xmeet( const Type *t ) const; 868 virtual const Type *xmeet_helper( const Type *t ) const; 869 int meet_offset( int offset ) const; 870 int dual_offset( ) const; 871 virtual const Type *xdual() const; // Compute dual right now. 872 873 // meet, dual and join over pointer equivalence sets 874 PTR meet_ptr( const PTR in_ptr ) const { return ptr_meet[in_ptr][ptr()]; } 875 PTR dual_ptr() const { return ptr_dual[ptr()]; } 876 877 // This is textually confusing unless one recalls that 878 // join(t) == dual()->meet(t->dual())->dual(). 879 PTR join_ptr( const PTR in_ptr ) const { 880 return ptr_dual[ ptr_meet[ ptr_dual[in_ptr] ] [ dual_ptr() ] ]; 881 } 882 883 // Speculative type helper methods. 884 virtual const TypePtr* speculative() const { return _speculative; } 885 int inline_depth() const { return _inline_depth; } 886 virtual ciKlass* speculative_type() const; 887 virtual ciKlass* speculative_type_not_null() const; 888 virtual bool speculative_maybe_null() const; 889 virtual bool speculative_always_null() const; 890 virtual const Type* remove_speculative() const; 891 virtual const Type* cleanup_speculative() const; 892 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const; 893 virtual bool would_improve_ptr(ProfilePtrKind maybe_null) const; 894 virtual const TypePtr* with_inline_depth(int depth) const; 895 896 virtual bool maybe_null() const { return meet_ptr(Null) == ptr(); } 897 898 // Tests for relation to centerline of type lattice: 899 static bool above_centerline(PTR ptr) { return (ptr <= AnyNull); } 900 static bool below_centerline(PTR ptr) { return (ptr >= NotNull); } 901 // Convenience common pre-built types. 902 static const TypePtr *NULL_PTR; 903 static const TypePtr *NOTNULL; 904 static const TypePtr *BOTTOM; 905 #ifndef PRODUCT 906 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 907 #endif 908 }; 909 910 //------------------------------TypeRawPtr------------------------------------- 911 // Class of raw pointers, pointers to things other than Oops. Examples 912 // include the stack pointer, top of heap, card-marking area, handles, etc. 913 class TypeRawPtr : public TypePtr { 914 protected: 915 TypeRawPtr( PTR ptr, address bits ) : TypePtr(RawPtr,ptr,0), _bits(bits){} 916 public: 917 virtual bool eq( const Type *t ) const; 918 virtual int hash() const; // Type specific hashing 919 920 const address _bits; // Constant value, if applicable 921 922 static const TypeRawPtr *make( PTR ptr ); 923 static const TypeRawPtr *make( address bits ); 924 925 // Return a 'ptr' version of this type 926 virtual const Type *cast_to_ptr_type(PTR ptr) const; 927 928 virtual intptr_t get_con() const; 929 930 virtual const TypePtr *add_offset( intptr_t offset ) const; 931 932 virtual const Type *xmeet( const Type *t ) const; 933 virtual const Type *xdual() const; // Compute dual right now. 934 // Convenience common pre-built types. 935 static const TypeRawPtr *BOTTOM; 936 static const TypeRawPtr *NOTNULL; 937 #ifndef PRODUCT 938 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 939 #endif 940 }; 941 942 //------------------------------TypeOopPtr------------------------------------- 943 // Some kind of oop (Java pointer), either instance or array. 944 class TypeOopPtr : public TypePtr { 945 protected: 946 TypeOopPtr(TYPES t, PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id, 947 const TypePtr* speculative, int inline_depth); 948 public: 949 virtual bool eq( const Type *t ) const; 950 virtual int hash() const; // Type specific hashing 951 virtual bool singleton(void) const; // TRUE if type is a singleton 952 enum { 953 InstanceTop = -1, // undefined instance 954 InstanceBot = 0 // any possible instance 955 }; 956 protected: 957 958 // Oop is NULL, unless this is a constant oop. 959 ciObject* _const_oop; // Constant oop 960 // If _klass is NULL, then so is _sig. This is an unloaded klass. 961 ciKlass* _klass; // Klass object 962 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.) 963 bool _klass_is_exact; 964 bool _is_ptr_to_narrowoop; 965 bool _is_ptr_to_narrowklass; 966 bool _is_ptr_to_boxed_value; 967 968 // If not InstanceTop or InstanceBot, indicates that this is 969 // a particular instance of this type which is distinct. 970 // This is the node index of the allocation node creating this instance. 971 int _instance_id; 972 973 static const TypeOopPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact); 974 975 int dual_instance_id() const; 976 int meet_instance_id(int uid) const; 977 978 // Do not allow interface-vs.-noninterface joins to collapse to top. 979 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 980 981 public: 982 // Creates a type given a klass. Correctly handles multi-dimensional arrays 983 // Respects UseUniqueSubclasses. 984 // If the klass is final, the resulting type will be exact. 985 static const TypeOopPtr* make_from_klass(ciKlass* klass) { 986 return make_from_klass_common(klass, true, false); 987 } 988 // Same as before, but will produce an exact type, even if 989 // the klass is not final, as long as it has exactly one implementation. 990 static const TypeOopPtr* make_from_klass_unique(ciKlass* klass) { 991 return make_from_klass_common(klass, true, true); 992 } 993 // Same as before, but does not respects UseUniqueSubclasses. 994 // Use this only for creating array element types. 995 static const TypeOopPtr* make_from_klass_raw(ciKlass* klass) { 996 return make_from_klass_common(klass, false, false); 997 } 998 // Creates a singleton type given an object. 999 // If the object cannot be rendered as a constant, 1000 // may return a non-singleton type. 1001 // If require_constant, produce a NULL if a singleton is not possible. 1002 static const TypeOopPtr* make_from_constant(ciObject* o, 1003 bool require_constant = false); 1004 1005 // Make a generic (unclassed) pointer to an oop. 1006 static const TypeOopPtr* make(PTR ptr, int offset, int instance_id, 1007 const TypePtr* speculative = NULL, 1008 int inline_depth = InlineDepthBottom); 1009 1010 ciObject* const_oop() const { return _const_oop; } 1011 virtual ciKlass* klass() const { return _klass; } 1012 bool klass_is_exact() const { return _klass_is_exact; } 1013 1014 // Returns true if this pointer points at memory which contains a 1015 // compressed oop references. 1016 bool is_ptr_to_narrowoop_nv() const { return _is_ptr_to_narrowoop; } 1017 bool is_ptr_to_narrowklass_nv() const { return _is_ptr_to_narrowklass; } 1018 bool is_ptr_to_boxed_value() const { return _is_ptr_to_boxed_value; } 1019 bool is_known_instance() const { return _instance_id > 0; } 1020 int instance_id() const { return _instance_id; } 1021 bool is_known_instance_field() const { return is_known_instance() && _offset >= 0; } 1022 1023 virtual intptr_t get_con() const; 1024 1025 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1026 1027 virtual const Type *cast_to_exactness(bool klass_is_exact) const; 1028 1029 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const; 1030 1031 // corresponding pointer to klass, for a given instance 1032 const TypeKlassPtr* as_klass_type() const; 1033 1034 virtual const TypePtr *add_offset( intptr_t offset ) const; 1035 1036 // Speculative type helper methods. 1037 virtual const Type* remove_speculative() const; 1038 virtual const Type* cleanup_speculative() const; 1039 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const; 1040 virtual const TypePtr* with_inline_depth(int depth) const; 1041 1042 virtual const Type *xdual() const; // Compute dual right now. 1043 // the core of the computation of the meet for TypeOopPtr and for its subclasses 1044 virtual const Type *xmeet_helper(const Type *t) const; 1045 1046 // Convenience common pre-built type. 1047 static const TypeOopPtr *BOTTOM; 1048 #ifndef PRODUCT 1049 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1050 #endif 1051 }; 1052 1053 //------------------------------TypeInstPtr------------------------------------ 1054 // Class of Java object pointers, pointing either to non-array Java instances 1055 // or to a Klass* (including array klasses). 1056 class TypeInstPtr : public TypeOopPtr { 1057 TypeInstPtr(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id, 1058 const TypePtr* speculative, int inline_depth); 1059 virtual bool eq( const Type *t ) const; 1060 virtual int hash() const; // Type specific hashing 1061 1062 ciSymbol* _name; // class name 1063 1064 public: 1065 ciSymbol* name() const { return _name; } 1066 1067 bool is_loaded() const { return _klass->is_loaded(); } 1068 1069 // Make a pointer to a constant oop. 1070 static const TypeInstPtr *make(ciObject* o) { 1071 return make(TypePtr::Constant, o->klass(), true, o, 0, InstanceBot); 1072 } 1073 // Make a pointer to a constant oop with offset. 1074 static const TypeInstPtr *make(ciObject* o, int offset) { 1075 return make(TypePtr::Constant, o->klass(), true, o, offset, InstanceBot); 1076 } 1077 1078 // Make a pointer to some value of type klass. 1079 static const TypeInstPtr *make(PTR ptr, ciKlass* klass) { 1080 return make(ptr, klass, false, NULL, 0, InstanceBot); 1081 } 1082 1083 // Make a pointer to some non-polymorphic value of exactly type klass. 1084 static const TypeInstPtr *make_exact(PTR ptr, ciKlass* klass) { 1085 return make(ptr, klass, true, NULL, 0, InstanceBot); 1086 } 1087 1088 // Make a pointer to some value of type klass with offset. 1089 static const TypeInstPtr *make(PTR ptr, ciKlass* klass, int offset) { 1090 return make(ptr, klass, false, NULL, offset, InstanceBot); 1091 } 1092 1093 // Make a pointer to an oop. 1094 static const TypeInstPtr *make(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, 1095 int instance_id = InstanceBot, 1096 const TypePtr* speculative = NULL, 1097 int inline_depth = InlineDepthBottom); 1098 1099 /** Create constant type for a constant boxed value */ 1100 const Type* get_const_boxed_value() const; 1101 1102 // If this is a java.lang.Class constant, return the type for it or NULL. 1103 // Pass to Type::get_const_type to turn it to a type, which will usually 1104 // be a TypeInstPtr, but may also be a TypeInt::INT for int.class, etc. 1105 ciType* java_mirror_type() const; 1106 1107 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1108 1109 virtual const Type *cast_to_exactness(bool klass_is_exact) const; 1110 1111 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const; 1112 1113 virtual const TypePtr *add_offset( intptr_t offset ) const; 1114 1115 // Speculative type helper methods. 1116 virtual const Type* remove_speculative() const; 1117 virtual const TypePtr* with_inline_depth(int depth) const; 1118 1119 // the core of the computation of the meet of 2 types 1120 virtual const Type *xmeet_helper(const Type *t) const; 1121 virtual const TypeInstPtr *xmeet_unloaded( const TypeInstPtr *t ) const; 1122 virtual const Type *xdual() const; // Compute dual right now. 1123 1124 // Convenience common pre-built types. 1125 static const TypeInstPtr *NOTNULL; 1126 static const TypeInstPtr *BOTTOM; 1127 static const TypeInstPtr *MIRROR; 1128 static const TypeInstPtr *MARK; 1129 static const TypeInstPtr *KLASS; 1130 #ifndef PRODUCT 1131 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping 1132 #endif 1133 }; 1134 1135 //------------------------------TypeAryPtr------------------------------------- 1136 // Class of Java array pointers 1137 class TypeAryPtr : public TypeOopPtr { 1138 TypeAryPtr( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, 1139 int offset, int instance_id, bool is_autobox_cache, 1140 const TypePtr* speculative, int inline_depth) 1141 : TypeOopPtr(AryPtr,ptr,k,xk,o,offset, instance_id, speculative, inline_depth), 1142 _ary(ary), 1143 _is_autobox_cache(is_autobox_cache) 1144 { 1145 #ifdef ASSERT 1146 if (k != NULL) { 1147 // Verify that specified klass and TypeAryPtr::klass() follow the same rules. 1148 ciKlass* ck = compute_klass(true); 1149 if (k != ck) { 1150 this->dump(); tty->cr(); 1151 tty->print(" k: "); 1152 k->print(); tty->cr(); 1153 tty->print("ck: "); 1154 if (ck != NULL) ck->print(); 1155 else tty->print("<NULL>"); 1156 tty->cr(); 1157 assert(false, "unexpected TypeAryPtr::_klass"); 1158 } 1159 } 1160 #endif 1161 } 1162 virtual bool eq( const Type *t ) const; 1163 virtual int hash() const; // Type specific hashing 1164 const TypeAry *_ary; // Array we point into 1165 const bool _is_autobox_cache; 1166 1167 ciKlass* compute_klass(DEBUG_ONLY(bool verify = false)) const; 1168 1169 public: 1170 // Accessors 1171 ciKlass* klass() const; 1172 const TypeAry* ary() const { return _ary; } 1173 const Type* elem() const { return _ary->_elem; } 1174 const TypeInt* size() const { return _ary->_size; } 1175 bool is_stable() const { return _ary->_stable; } 1176 1177 bool is_autobox_cache() const { return _is_autobox_cache; } 1178 1179 static const TypeAryPtr *make(PTR ptr, const TypeAry *ary, ciKlass* k, bool xk, int offset, 1180 int instance_id = InstanceBot, 1181 const TypePtr* speculative = NULL, 1182 int inline_depth = InlineDepthBottom); 1183 // Constant pointer to array 1184 static const TypeAryPtr *make(PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset, 1185 int instance_id = InstanceBot, 1186 const TypePtr* speculative = NULL, 1187 int inline_depth = InlineDepthBottom, bool is_autobox_cache = false); 1188 1189 // Return a 'ptr' version of this type 1190 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1191 1192 virtual const Type *cast_to_exactness(bool klass_is_exact) const; 1193 1194 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const; 1195 1196 virtual const TypeAryPtr* cast_to_size(const TypeInt* size) const; 1197 virtual const TypeInt* narrow_size_type(const TypeInt* size) const; 1198 1199 virtual bool empty(void) const; // TRUE if type is vacuous 1200 virtual const TypePtr *add_offset( intptr_t offset ) const; 1201 1202 // Speculative type helper methods. 1203 virtual const Type* remove_speculative() const; 1204 virtual const TypePtr* with_inline_depth(int depth) const; 1205 1206 // the core of the computation of the meet of 2 types 1207 virtual const Type *xmeet_helper(const Type *t) const; 1208 virtual const Type *xdual() const; // Compute dual right now. 1209 1210 const TypeAryPtr* cast_to_stable(bool stable, int stable_dimension = 1) const; 1211 int stable_dimension() const; 1212 1213 const TypeAryPtr* cast_to_autobox_cache(bool cache) const; 1214 1215 // Convenience common pre-built types. 1216 static const TypeAryPtr *RANGE; 1217 static const TypeAryPtr *OOPS; 1218 static const TypeAryPtr *NARROWOOPS; 1219 static const TypeAryPtr *BYTES; 1220 static const TypeAryPtr *SHORTS; 1221 static const TypeAryPtr *CHARS; 1222 static const TypeAryPtr *INTS; 1223 static const TypeAryPtr *LONGS; 1224 static const TypeAryPtr *FLOATS; 1225 static const TypeAryPtr *DOUBLES; 1226 // selects one of the above: 1227 static const TypeAryPtr *get_array_body_type(BasicType elem) { 1228 assert((uint)elem <= T_CONFLICT && _array_body_type[elem] != NULL, "bad elem type"); 1229 return _array_body_type[elem]; 1230 } 1231 static const TypeAryPtr *_array_body_type[T_CONFLICT+1]; 1232 // sharpen the type of an int which is used as an array size 1233 #ifdef ASSERT 1234 // One type is interface, the other is oop 1235 virtual bool interface_vs_oop(const Type *t) const; 1236 #endif 1237 #ifndef PRODUCT 1238 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping 1239 #endif 1240 }; 1241 1242 //------------------------------TypeMetadataPtr------------------------------------- 1243 // Some kind of metadata, either Method*, MethodData* or CPCacheOop 1244 class TypeMetadataPtr : public TypePtr { 1245 protected: 1246 TypeMetadataPtr(PTR ptr, ciMetadata* metadata, int offset); 1247 // Do not allow interface-vs.-noninterface joins to collapse to top. 1248 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 1249 public: 1250 virtual bool eq( const Type *t ) const; 1251 virtual int hash() const; // Type specific hashing 1252 virtual bool singleton(void) const; // TRUE if type is a singleton 1253 1254 private: 1255 ciMetadata* _metadata; 1256 1257 public: 1258 static const TypeMetadataPtr* make(PTR ptr, ciMetadata* m, int offset); 1259 1260 static const TypeMetadataPtr* make(ciMethod* m); 1261 static const TypeMetadataPtr* make(ciMethodData* m); 1262 1263 ciMetadata* metadata() const { return _metadata; } 1264 1265 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1266 1267 virtual const TypePtr *add_offset( intptr_t offset ) const; 1268 1269 virtual const Type *xmeet( const Type *t ) const; 1270 virtual const Type *xdual() const; // Compute dual right now. 1271 1272 virtual intptr_t get_con() const; 1273 1274 // Convenience common pre-built types. 1275 static const TypeMetadataPtr *BOTTOM; 1276 1277 #ifndef PRODUCT 1278 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1279 #endif 1280 }; 1281 1282 //------------------------------TypeKlassPtr----------------------------------- 1283 // Class of Java Klass pointers 1284 class TypeKlassPtr : public TypePtr { 1285 TypeKlassPtr( PTR ptr, ciKlass* klass, int offset ); 1286 1287 protected: 1288 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 1289 public: 1290 virtual bool eq( const Type *t ) const; 1291 virtual int hash() const; // Type specific hashing 1292 virtual bool singleton(void) const; // TRUE if type is a singleton 1293 private: 1294 1295 static const TypeKlassPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact); 1296 1297 ciKlass* _klass; 1298 1299 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.) 1300 bool _klass_is_exact; 1301 1302 public: 1303 ciSymbol* name() const { return klass()->name(); } 1304 1305 ciKlass* klass() const { return _klass; } 1306 bool klass_is_exact() const { return _klass_is_exact; } 1307 1308 bool is_loaded() const { return klass()->is_loaded(); } 1309 1310 // Creates a type given a klass. Correctly handles multi-dimensional arrays 1311 // Respects UseUniqueSubclasses. 1312 // If the klass is final, the resulting type will be exact. 1313 static const TypeKlassPtr* make_from_klass(ciKlass* klass) { 1314 return make_from_klass_common(klass, true, false); 1315 } 1316 // Same as before, but will produce an exact type, even if 1317 // the klass is not final, as long as it has exactly one implementation. 1318 static const TypeKlassPtr* make_from_klass_unique(ciKlass* klass) { 1319 return make_from_klass_common(klass, true, true); 1320 } 1321 // Same as before, but does not respects UseUniqueSubclasses. 1322 // Use this only for creating array element types. 1323 static const TypeKlassPtr* make_from_klass_raw(ciKlass* klass) { 1324 return make_from_klass_common(klass, false, false); 1325 } 1326 1327 // Make a generic (unclassed) pointer to metadata. 1328 static const TypeKlassPtr* make(PTR ptr, int offset); 1329 1330 // ptr to klass 'k' 1331 static const TypeKlassPtr *make( ciKlass* k ) { return make( TypePtr::Constant, k, 0); } 1332 // ptr to klass 'k' with offset 1333 static const TypeKlassPtr *make( ciKlass* k, int offset ) { return make( TypePtr::Constant, k, offset); } 1334 // ptr to klass 'k' or sub-klass 1335 static const TypeKlassPtr *make( PTR ptr, ciKlass* k, int offset); 1336 1337 virtual const Type *cast_to_ptr_type(PTR ptr) const; 1338 1339 virtual const Type *cast_to_exactness(bool klass_is_exact) const; 1340 1341 // corresponding pointer to instance, for a given class 1342 const TypeOopPtr* as_instance_type() const; 1343 1344 virtual const TypePtr *add_offset( intptr_t offset ) const; 1345 virtual const Type *xmeet( const Type *t ) const; 1346 virtual const Type *xdual() const; // Compute dual right now. 1347 1348 virtual intptr_t get_con() const; 1349 1350 // Convenience common pre-built types. 1351 static const TypeKlassPtr* OBJECT; // Not-null object klass or below 1352 static const TypeKlassPtr* OBJECT_OR_NULL; // Maybe-null version of same 1353 #ifndef PRODUCT 1354 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping 1355 #endif 1356 }; 1357 1358 class TypeNarrowPtr : public Type { 1359 protected: 1360 const TypePtr* _ptrtype; // Could be TypePtr::NULL_PTR 1361 1362 TypeNarrowPtr(TYPES t, const TypePtr* ptrtype): Type(t), 1363 _ptrtype(ptrtype) { 1364 assert(ptrtype->offset() == 0 || 1365 ptrtype->offset() == OffsetBot || 1366 ptrtype->offset() == OffsetTop, "no real offsets"); 1367 } 1368 1369 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const = 0; 1370 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const = 0; 1371 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const = 0; 1372 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const = 0; 1373 // Do not allow interface-vs.-noninterface joins to collapse to top. 1374 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const; 1375 public: 1376 virtual bool eq( const Type *t ) const; 1377 virtual int hash() const; // Type specific hashing 1378 virtual bool singleton(void) const; // TRUE if type is a singleton 1379 1380 virtual const Type *xmeet( const Type *t ) const; 1381 virtual const Type *xdual() const; // Compute dual right now. 1382 1383 virtual intptr_t get_con() const; 1384 1385 virtual bool empty(void) const; // TRUE if type is vacuous 1386 1387 // returns the equivalent ptr type for this compressed pointer 1388 const TypePtr *get_ptrtype() const { 1389 return _ptrtype; 1390 } 1391 1392 #ifndef PRODUCT 1393 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1394 #endif 1395 }; 1396 1397 //------------------------------TypeNarrowOop---------------------------------- 1398 // A compressed reference to some kind of Oop. This type wraps around 1399 // a preexisting TypeOopPtr and forwards most of it's operations to 1400 // the underlying type. It's only real purpose is to track the 1401 // oopness of the compressed oop value when we expose the conversion 1402 // between the normal and the compressed form. 1403 class TypeNarrowOop : public TypeNarrowPtr { 1404 protected: 1405 TypeNarrowOop( const TypePtr* ptrtype): TypeNarrowPtr(NarrowOop, ptrtype) { 1406 } 1407 1408 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const { 1409 return t->isa_narrowoop(); 1410 } 1411 1412 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const { 1413 return t->is_narrowoop(); 1414 } 1415 1416 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const { 1417 return new TypeNarrowOop(t); 1418 } 1419 1420 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const { 1421 return (const TypeNarrowPtr*)((new TypeNarrowOop(t))->hashcons()); 1422 } 1423 1424 public: 1425 1426 static const TypeNarrowOop *make( const TypePtr* type); 1427 1428 static const TypeNarrowOop* make_from_constant(ciObject* con, bool require_constant = false) { 1429 return make(TypeOopPtr::make_from_constant(con, require_constant)); 1430 } 1431 1432 static const TypeNarrowOop *BOTTOM; 1433 static const TypeNarrowOop *NULL_PTR; 1434 1435 virtual const Type* remove_speculative() const; 1436 virtual const Type* cleanup_speculative() const; 1437 1438 #ifndef PRODUCT 1439 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1440 #endif 1441 }; 1442 1443 //------------------------------TypeNarrowKlass---------------------------------- 1444 // A compressed reference to klass pointer. This type wraps around a 1445 // preexisting TypeKlassPtr and forwards most of it's operations to 1446 // the underlying type. 1447 class TypeNarrowKlass : public TypeNarrowPtr { 1448 protected: 1449 TypeNarrowKlass( const TypePtr* ptrtype): TypeNarrowPtr(NarrowKlass, ptrtype) { 1450 } 1451 1452 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const { 1453 return t->isa_narrowklass(); 1454 } 1455 1456 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const { 1457 return t->is_narrowklass(); 1458 } 1459 1460 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const { 1461 return new TypeNarrowKlass(t); 1462 } 1463 1464 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const { 1465 return (const TypeNarrowPtr*)((new TypeNarrowKlass(t))->hashcons()); 1466 } 1467 1468 public: 1469 static const TypeNarrowKlass *make( const TypePtr* type); 1470 1471 // static const TypeNarrowKlass *BOTTOM; 1472 static const TypeNarrowKlass *NULL_PTR; 1473 1474 #ifndef PRODUCT 1475 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; 1476 #endif 1477 }; 1478 1479 //------------------------------TypeFunc--------------------------------------- 1480 // Class of Array Types 1481 class TypeFunc : public Type { 1482 TypeFunc( const TypeTuple *domain, const TypeTuple *range ) : Type(Function), _domain(domain), _range(range) {} 1483 virtual bool eq( const Type *t ) const; 1484 virtual int hash() const; // Type specific hashing 1485 virtual bool singleton(void) const; // TRUE if type is a singleton 1486 virtual bool empty(void) const; // TRUE if type is vacuous 1487 1488 const TypeTuple* const _domain; // Domain of inputs 1489 const TypeTuple* const _range; // Range of results 1490 1491 public: 1492 // Constants are shared among ADLC and VM 1493 enum { Control = AdlcVMDeps::Control, 1494 I_O = AdlcVMDeps::I_O, 1495 Memory = AdlcVMDeps::Memory, 1496 FramePtr = AdlcVMDeps::FramePtr, 1497 ReturnAdr = AdlcVMDeps::ReturnAdr, 1498 Parms = AdlcVMDeps::Parms 1499 }; 1500 1501 1502 // Accessors: 1503 const TypeTuple* domain() const { return _domain; } 1504 const TypeTuple* range() const { return _range; } 1505 1506 static const TypeFunc *make(ciMethod* method); 1507 static const TypeFunc *make(ciSignature signature, const Type* extra); 1508 static const TypeFunc *make(const TypeTuple* domain, const TypeTuple* range); 1509 1510 virtual const Type *xmeet( const Type *t ) const; 1511 virtual const Type *xdual() const; // Compute dual right now. 1512 1513 BasicType return_type() const; 1514 1515 #ifndef PRODUCT 1516 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping 1517 #endif 1518 // Convenience common pre-built types. 1519 }; 1520 1521 //------------------------------accessors-------------------------------------- 1522 inline bool Type::is_ptr_to_narrowoop() const { 1523 #ifdef _LP64 1524 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowoop_nv()); 1525 #else 1526 return false; 1527 #endif 1528 } 1529 1530 inline bool Type::is_ptr_to_narrowklass() const { 1531 #ifdef _LP64 1532 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowklass_nv()); 1533 #else 1534 return false; 1535 #endif 1536 } 1537 1538 inline float Type::getf() const { 1539 assert( _base == FloatCon, "Not a FloatCon" ); 1540 return ((TypeF*)this)->_f; 1541 } 1542 1543 inline double Type::getd() const { 1544 assert( _base == DoubleCon, "Not a DoubleCon" ); 1545 return ((TypeD*)this)->_d; 1546 } 1547 1548 inline const TypeInt *Type::is_int() const { 1549 assert( _base == Int, "Not an Int" ); 1550 return (TypeInt*)this; 1551 } 1552 1553 inline const TypeInt *Type::isa_int() const { 1554 return ( _base == Int ? (TypeInt*)this : NULL); 1555 } 1556 1557 inline const TypeLong *Type::is_long() const { 1558 assert( _base == Long, "Not a Long" ); 1559 return (TypeLong*)this; 1560 } 1561 1562 inline const TypeLong *Type::isa_long() const { 1563 return ( _base == Long ? (TypeLong*)this : NULL); 1564 } 1565 1566 inline const TypeF *Type::isa_float() const { 1567 return ((_base == FloatTop || 1568 _base == FloatCon || 1569 _base == FloatBot) ? (TypeF*)this : NULL); 1570 } 1571 1572 inline const TypeF *Type::is_float_constant() const { 1573 assert( _base == FloatCon, "Not a Float" ); 1574 return (TypeF*)this; 1575 } 1576 1577 inline const TypeF *Type::isa_float_constant() const { 1578 return ( _base == FloatCon ? (TypeF*)this : NULL); 1579 } 1580 1581 inline const TypeD *Type::isa_double() const { 1582 return ((_base == DoubleTop || 1583 _base == DoubleCon || 1584 _base == DoubleBot) ? (TypeD*)this : NULL); 1585 } 1586 1587 inline const TypeD *Type::is_double_constant() const { 1588 assert( _base == DoubleCon, "Not a Double" ); 1589 return (TypeD*)this; 1590 } 1591 1592 inline const TypeD *Type::isa_double_constant() const { 1593 return ( _base == DoubleCon ? (TypeD*)this : NULL); 1594 } 1595 1596 inline const TypeTuple *Type::is_tuple() const { 1597 assert( _base == Tuple, "Not a Tuple" ); 1598 return (TypeTuple*)this; 1599 } 1600 1601 inline const TypeAry *Type::is_ary() const { 1602 assert( _base == Array , "Not an Array" ); 1603 return (TypeAry*)this; 1604 } 1605 1606 inline const TypeVect *Type::is_vect() const { 1607 assert( _base >= VectorS && _base <= VectorZ, "Not a Vector" ); 1608 return (TypeVect*)this; 1609 } 1610 1611 inline const TypeVect *Type::isa_vect() const { 1612 return (_base >= VectorS && _base <= VectorZ) ? (TypeVect*)this : NULL; 1613 } 1614 1615 inline const TypePtr *Type::is_ptr() const { 1616 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between. 1617 assert(_base >= AnyPtr && _base <= KlassPtr, "Not a pointer"); 1618 return (TypePtr*)this; 1619 } 1620 1621 inline const TypePtr *Type::isa_ptr() const { 1622 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between. 1623 return (_base >= AnyPtr && _base <= KlassPtr) ? (TypePtr*)this : NULL; 1624 } 1625 1626 inline const TypeOopPtr *Type::is_oopptr() const { 1627 // OopPtr is the first and KlassPtr the last, with no non-oops between. 1628 assert(_base >= OopPtr && _base <= AryPtr, "Not a Java pointer" ) ; 1629 return (TypeOopPtr*)this; 1630 } 1631 1632 inline const TypeOopPtr *Type::isa_oopptr() const { 1633 // OopPtr is the first and KlassPtr the last, with no non-oops between. 1634 return (_base >= OopPtr && _base <= AryPtr) ? (TypeOopPtr*)this : NULL; 1635 } 1636 1637 inline const TypeRawPtr *Type::isa_rawptr() const { 1638 return (_base == RawPtr) ? (TypeRawPtr*)this : NULL; 1639 } 1640 1641 inline const TypeRawPtr *Type::is_rawptr() const { 1642 assert( _base == RawPtr, "Not a raw pointer" ); 1643 return (TypeRawPtr*)this; 1644 } 1645 1646 inline const TypeInstPtr *Type::isa_instptr() const { 1647 return (_base == InstPtr) ? (TypeInstPtr*)this : NULL; 1648 } 1649 1650 inline const TypeInstPtr *Type::is_instptr() const { 1651 assert( _base == InstPtr, "Not an object pointer" ); 1652 return (TypeInstPtr*)this; 1653 } 1654 1655 inline const TypeAryPtr *Type::isa_aryptr() const { 1656 return (_base == AryPtr) ? (TypeAryPtr*)this : NULL; 1657 } 1658 1659 inline const TypeAryPtr *Type::is_aryptr() const { 1660 assert( _base == AryPtr, "Not an array pointer" ); 1661 return (TypeAryPtr*)this; 1662 } 1663 1664 inline const TypeNarrowOop *Type::is_narrowoop() const { 1665 // OopPtr is the first and KlassPtr the last, with no non-oops between. 1666 assert(_base == NarrowOop, "Not a narrow oop" ) ; 1667 return (TypeNarrowOop*)this; 1668 } 1669 1670 inline const TypeNarrowOop *Type::isa_narrowoop() const { 1671 // OopPtr is the first and KlassPtr the last, with no non-oops between. 1672 return (_base == NarrowOop) ? (TypeNarrowOop*)this : NULL; 1673 } 1674 1675 inline const TypeNarrowKlass *Type::is_narrowklass() const { 1676 assert(_base == NarrowKlass, "Not a narrow oop" ) ; 1677 return (TypeNarrowKlass*)this; 1678 } 1679 1680 inline const TypeNarrowKlass *Type::isa_narrowklass() const { 1681 return (_base == NarrowKlass) ? (TypeNarrowKlass*)this : NULL; 1682 } 1683 1684 inline const TypeMetadataPtr *Type::is_metadataptr() const { 1685 // MetadataPtr is the first and CPCachePtr the last 1686 assert(_base == MetadataPtr, "Not a metadata pointer" ) ; 1687 return (TypeMetadataPtr*)this; 1688 } 1689 1690 inline const TypeMetadataPtr *Type::isa_metadataptr() const { 1691 return (_base == MetadataPtr) ? (TypeMetadataPtr*)this : NULL; 1692 } 1693 1694 inline const TypeKlassPtr *Type::isa_klassptr() const { 1695 return (_base == KlassPtr) ? (TypeKlassPtr*)this : NULL; 1696 } 1697 1698 inline const TypeKlassPtr *Type::is_klassptr() const { 1699 assert( _base == KlassPtr, "Not a klass pointer" ); 1700 return (TypeKlassPtr*)this; 1701 } 1702 1703 inline const TypePtr* Type::make_ptr() const { 1704 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype() : 1705 ((_base == NarrowKlass) ? is_narrowklass()->get_ptrtype() : 1706 isa_ptr()); 1707 } 1708 1709 inline const TypeOopPtr* Type::make_oopptr() const { 1710 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype()->isa_oopptr() : isa_oopptr(); 1711 } 1712 1713 inline const TypeNarrowOop* Type::make_narrowoop() const { 1714 return (_base == NarrowOop) ? is_narrowoop() : 1715 (isa_ptr() ? TypeNarrowOop::make(is_ptr()) : NULL); 1716 } 1717 1718 inline const TypeNarrowKlass* Type::make_narrowklass() const { 1719 return (_base == NarrowKlass) ? is_narrowklass() : 1720 (isa_ptr() ? TypeNarrowKlass::make(is_ptr()) : NULL); 1721 } 1722 1723 inline bool Type::is_floatingpoint() const { 1724 if( (_base == FloatCon) || (_base == FloatBot) || 1725 (_base == DoubleCon) || (_base == DoubleBot) ) 1726 return true; 1727 return false; 1728 } 1729 1730 inline bool Type::is_ptr_to_boxing_obj() const { 1731 const TypeInstPtr* tp = isa_instptr(); 1732 return (tp != NULL) && (tp->offset() == 0) && 1733 tp->klass()->is_instance_klass() && 1734 tp->klass()->as_instance_klass()->is_box_klass(); 1735 } 1736 1737 1738 // =============================================================== 1739 // Things that need to be 64-bits in the 64-bit build but 1740 // 32-bits in the 32-bit build. Done this way to get full 1741 // optimization AND strong typing. 1742 #ifdef _LP64 1743 1744 // For type queries and asserts 1745 #define is_intptr_t is_long 1746 #define isa_intptr_t isa_long 1747 #define find_intptr_t_type find_long_type 1748 #define find_intptr_t_con find_long_con 1749 #define TypeX TypeLong 1750 #define Type_X Type::Long 1751 #define TypeX_X TypeLong::LONG 1752 #define TypeX_ZERO TypeLong::ZERO 1753 // For 'ideal_reg' machine registers 1754 #define Op_RegX Op_RegL 1755 // For phase->intcon variants 1756 #define MakeConX longcon 1757 #define ConXNode ConLNode 1758 // For array index arithmetic 1759 #define MulXNode MulLNode 1760 #define AndXNode AndLNode 1761 #define OrXNode OrLNode 1762 #define CmpXNode CmpLNode 1763 #define SubXNode SubLNode 1764 #define LShiftXNode LShiftLNode 1765 // For object size computation: 1766 #define AddXNode AddLNode 1767 #define RShiftXNode RShiftLNode 1768 // For card marks and hashcodes 1769 #define URShiftXNode URShiftLNode 1770 // UseOptoBiasInlining 1771 #define XorXNode XorLNode 1772 #define StoreXConditionalNode StoreLConditionalNode 1773 // Opcodes 1774 #define Op_LShiftX Op_LShiftL 1775 #define Op_AndX Op_AndL 1776 #define Op_AddX Op_AddL 1777 #define Op_SubX Op_SubL 1778 #define Op_XorX Op_XorL 1779 #define Op_URShiftX Op_URShiftL 1780 // conversions 1781 #define ConvI2X(x) ConvI2L(x) 1782 #define ConvL2X(x) (x) 1783 #define ConvX2I(x) ConvL2I(x) 1784 #define ConvX2L(x) (x) 1785 #define ConvX2UL(x) (x) 1786 1787 #else 1788 1789 // For type queries and asserts 1790 #define is_intptr_t is_int 1791 #define isa_intptr_t isa_int 1792 #define find_intptr_t_type find_int_type 1793 #define find_intptr_t_con find_int_con 1794 #define TypeX TypeInt 1795 #define Type_X Type::Int 1796 #define TypeX_X TypeInt::INT 1797 #define TypeX_ZERO TypeInt::ZERO 1798 // For 'ideal_reg' machine registers 1799 #define Op_RegX Op_RegI 1800 // For phase->intcon variants 1801 #define MakeConX intcon 1802 #define ConXNode ConINode 1803 // For array index arithmetic 1804 #define MulXNode MulINode 1805 #define AndXNode AndINode 1806 #define OrXNode OrINode 1807 #define CmpXNode CmpINode 1808 #define SubXNode SubINode 1809 #define LShiftXNode LShiftINode 1810 // For object size computation: 1811 #define AddXNode AddINode 1812 #define RShiftXNode RShiftINode 1813 // For card marks and hashcodes 1814 #define URShiftXNode URShiftINode 1815 // UseOptoBiasInlining 1816 #define XorXNode XorINode 1817 #define StoreXConditionalNode StoreIConditionalNode 1818 // Opcodes 1819 #define Op_LShiftX Op_LShiftI 1820 #define Op_AndX Op_AndI 1821 #define Op_AddX Op_AddI 1822 #define Op_SubX Op_SubI 1823 #define Op_XorX Op_XorI 1824 #define Op_URShiftX Op_URShiftI 1825 // conversions 1826 #define ConvI2X(x) (x) 1827 #define ConvL2X(x) ConvL2I(x) 1828 #define ConvX2I(x) (x) 1829 #define ConvX2L(x) ConvI2L(x) 1830 #define ConvX2UL(x) ConvI2UL(x) 1831 1832 #endif 1833 1834 #endif // SHARE_VM_OPTO_TYPE_HPP