Tue, 23 Jun 2009 17:52:29 -0700
6837094: False positive for "meet not symmetric" failure
Summary: Have the meet not symmetric check recursively do the interface-vs-oop check on array subtypes.
Reviewed-by: jrose
Contributed-by: rasbold@google.com
1 /*
2 * Copyright 1997-2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
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23 */
25 // Portions of code courtesy of Clifford Click
27 // Optimization - Graph Style
30 // This class defines a Type lattice. The lattice is used in the constant
31 // propagation algorithms, and for some type-checking of the iloc code.
32 // Basic types include RSD's (lower bound, upper bound, stride for integers),
33 // float & double precision constants, sets of data-labels and code-labels.
34 // The complete lattice is described below. Subtypes have no relationship to
35 // up or down in the lattice; that is entirely determined by the behavior of
36 // the MEET/JOIN functions.
38 class Dict;
39 class Type;
40 class TypeD;
41 class TypeF;
42 class TypeInt;
43 class TypeLong;
44 class TypeNarrowOop;
45 class TypeAry;
46 class TypeTuple;
47 class TypePtr;
48 class TypeRawPtr;
49 class TypeOopPtr;
50 class TypeInstPtr;
51 class TypeAryPtr;
52 class TypeKlassPtr;
54 //------------------------------Type-------------------------------------------
55 // Basic Type object, represents a set of primitive Values.
56 // Types are hash-cons'd into a private class dictionary, so only one of each
57 // different kind of Type exists. Types are never modified after creation, so
58 // all their interesting fields are constant.
59 class Type {
60 public:
61 enum TYPES {
62 Bad=0, // Type check
63 Control, // Control of code (not in lattice)
64 Top, // Top of the lattice
65 Int, // Integer range (lo-hi)
66 Long, // Long integer range (lo-hi)
67 Half, // Placeholder half of doubleword
68 NarrowOop, // Compressed oop pointer
70 Tuple, // Method signature or object layout
71 Array, // Array types
73 AnyPtr, // Any old raw, klass, inst, or array pointer
74 RawPtr, // Raw (non-oop) pointers
75 OopPtr, // Any and all Java heap entities
76 InstPtr, // Instance pointers (non-array objects)
77 AryPtr, // Array pointers
78 KlassPtr, // Klass pointers
79 // (Ptr order matters: See is_ptr, isa_ptr, is_oopptr, isa_oopptr.)
81 Function, // Function signature
82 Abio, // Abstract I/O
83 Return_Address, // Subroutine return address
84 Memory, // Abstract store
85 FloatTop, // No float value
86 FloatCon, // Floating point constant
87 FloatBot, // Any float value
88 DoubleTop, // No double value
89 DoubleCon, // Double precision constant
90 DoubleBot, // Any double value
91 Bottom, // Bottom of lattice
92 lastype // Bogus ending type (not in lattice)
93 };
95 // Signal values for offsets from a base pointer
96 enum OFFSET_SIGNALS {
97 OffsetTop = -2000000000, // undefined offset
98 OffsetBot = -2000000001 // any possible offset
99 };
101 // Min and max WIDEN values.
102 enum WIDEN {
103 WidenMin = 0,
104 WidenMax = 3
105 };
107 private:
108 // Dictionary of types shared among compilations.
109 static Dict* _shared_type_dict;
111 static int uhash( const Type *const t );
112 // Structural equality check. Assumes that cmp() has already compared
113 // the _base types and thus knows it can cast 't' appropriately.
114 virtual bool eq( const Type *t ) const;
116 // Top-level hash-table of types
117 static Dict *type_dict() {
118 return Compile::current()->type_dict();
119 }
121 // DUAL operation: reflect around lattice centerline. Used instead of
122 // join to ensure my lattice is symmetric up and down. Dual is computed
123 // lazily, on demand, and cached in _dual.
124 const Type *_dual; // Cached dual value
125 // Table for efficient dualing of base types
126 static const TYPES dual_type[lastype];
128 protected:
129 // Each class of type is also identified by its base.
130 const TYPES _base; // Enum of Types type
132 Type( TYPES t ) : _dual(NULL), _base(t) {} // Simple types
133 // ~Type(); // Use fast deallocation
134 const Type *hashcons(); // Hash-cons the type
136 public:
138 inline void* operator new( size_t x ) {
139 Compile* compile = Compile::current();
140 compile->set_type_last_size(x);
141 void *temp = compile->type_arena()->Amalloc_D(x);
142 compile->set_type_hwm(temp);
143 return temp;
144 }
145 inline void operator delete( void* ptr ) {
146 Compile* compile = Compile::current();
147 compile->type_arena()->Afree(ptr,compile->type_last_size());
148 }
150 // Initialize the type system for a particular compilation.
151 static void Initialize(Compile* compile);
153 // Initialize the types shared by all compilations.
154 static void Initialize_shared(Compile* compile);
156 TYPES base() const {
157 assert(_base > Bad && _base < lastype, "sanity");
158 return _base;
159 }
161 // Create a new hash-consd type
162 static const Type *make(enum TYPES);
163 // Test for equivalence of types
164 static int cmp( const Type *const t1, const Type *const t2 );
165 // Test for higher or equal in lattice
166 int higher_equal( const Type *t ) const { return !cmp(meet(t),t); }
168 // MEET operation; lower in lattice.
169 const Type *meet( const Type *t ) const;
170 // WIDEN: 'widens' for Ints and other range types
171 virtual const Type *widen( const Type *old ) const { return this; }
172 // NARROW: complement for widen, used by pessimistic phases
173 virtual const Type *narrow( const Type *old ) const { return this; }
175 // DUAL operation: reflect around lattice centerline. Used instead of
176 // join to ensure my lattice is symmetric up and down.
177 const Type *dual() const { return _dual; }
179 // Compute meet dependent on base type
180 virtual const Type *xmeet( const Type *t ) const;
181 virtual const Type *xdual() const; // Compute dual right now.
183 // JOIN operation; higher in lattice. Done by finding the dual of the
184 // meet of the dual of the 2 inputs.
185 const Type *join( const Type *t ) const {
186 return dual()->meet(t->dual())->dual(); }
188 // Modified version of JOIN adapted to the needs Node::Value.
189 // Normalizes all empty values to TOP. Does not kill _widen bits.
190 // Currently, it also works around limitations involving interface types.
191 virtual const Type *filter( const Type *kills ) const;
193 #ifdef ASSERT
194 // One type is interface, the other is oop
195 virtual bool interface_vs_oop(const Type *t) const;
196 #endif
198 // Returns true if this pointer points at memory which contains a
199 // compressed oop references.
200 bool is_ptr_to_narrowoop() const;
202 // Convenience access
203 float getf() const;
204 double getd() const;
206 const TypeInt *is_int() const;
207 const TypeInt *isa_int() const; // Returns NULL if not an Int
208 const TypeLong *is_long() const;
209 const TypeLong *isa_long() const; // Returns NULL if not a Long
210 const TypeD *is_double_constant() const; // Asserts it is a DoubleCon
211 const TypeD *isa_double_constant() const; // Returns NULL if not a DoubleCon
212 const TypeF *is_float_constant() const; // Asserts it is a FloatCon
213 const TypeF *isa_float_constant() const; // Returns NULL if not a FloatCon
214 const TypeTuple *is_tuple() const; // Collection of fields, NOT a pointer
215 const TypeAry *is_ary() const; // Array, NOT array pointer
216 const TypePtr *is_ptr() const; // Asserts it is a ptr type
217 const TypePtr *isa_ptr() const; // Returns NULL if not ptr type
218 const TypeRawPtr *isa_rawptr() const; // NOT Java oop
219 const TypeRawPtr *is_rawptr() const; // Asserts is rawptr
220 const TypeNarrowOop *is_narrowoop() const; // Java-style GC'd pointer
221 const TypeNarrowOop *isa_narrowoop() const; // Returns NULL if not oop ptr type
222 const TypeOopPtr *isa_oopptr() const; // Returns NULL if not oop ptr type
223 const TypeOopPtr *is_oopptr() const; // Java-style GC'd pointer
224 const TypeKlassPtr *isa_klassptr() const; // Returns NULL if not KlassPtr
225 const TypeKlassPtr *is_klassptr() const; // assert if not KlassPtr
226 const TypeInstPtr *isa_instptr() const; // Returns NULL if not InstPtr
227 const TypeInstPtr *is_instptr() const; // Instance
228 const TypeAryPtr *isa_aryptr() const; // Returns NULL if not AryPtr
229 const TypeAryPtr *is_aryptr() const; // Array oop
230 virtual bool is_finite() const; // Has a finite value
231 virtual bool is_nan() const; // Is not a number (NaN)
233 // Returns this ptr type or the equivalent ptr type for this compressed pointer.
234 const TypePtr* make_ptr() const;
235 // Returns this compressed pointer or the equivalent compressed version
236 // of this pointer type.
237 const TypeNarrowOop* make_narrowoop() const;
239 // Special test for register pressure heuristic
240 bool is_floatingpoint() const; // True if Float or Double base type
242 // Do you have memory, directly or through a tuple?
243 bool has_memory( ) const;
245 // Are you a pointer type or not?
246 bool isa_oop_ptr() const;
248 // TRUE if type is a singleton
249 virtual bool singleton(void) const;
251 // TRUE if type is above the lattice centerline, and is therefore vacuous
252 virtual bool empty(void) const;
254 // Return a hash for this type. The hash function is public so ConNode
255 // (constants) can hash on their constant, which is represented by a Type.
256 virtual int hash() const;
258 // Map ideal registers (machine types) to ideal types
259 static const Type *mreg2type[];
261 // Printing, statistics
262 static const char * const msg[lastype]; // Printable strings
263 #ifndef PRODUCT
264 void dump_on(outputStream *st) const;
265 void dump() const {
266 dump_on(tty);
267 }
268 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
269 static void dump_stats();
270 static void verify_lastype(); // Check that arrays match type enum
271 #endif
272 void typerr(const Type *t) const; // Mixing types error
274 // Create basic type
275 static const Type* get_const_basic_type(BasicType type) {
276 assert((uint)type <= T_CONFLICT && _const_basic_type[type] != NULL, "bad type");
277 return _const_basic_type[type];
278 }
280 // Mapping to the array element's basic type.
281 BasicType array_element_basic_type() const;
283 // Create standard type for a ciType:
284 static const Type* get_const_type(ciType* type);
286 // Create standard zero value:
287 static const Type* get_zero_type(BasicType type) {
288 assert((uint)type <= T_CONFLICT && _zero_type[type] != NULL, "bad type");
289 return _zero_type[type];
290 }
292 // Report if this is a zero value (not top).
293 bool is_zero_type() const {
294 BasicType type = basic_type();
295 if (type == T_VOID || type >= T_CONFLICT)
296 return false;
297 else
298 return (this == _zero_type[type]);
299 }
301 // Convenience common pre-built types.
302 static const Type *ABIO;
303 static const Type *BOTTOM;
304 static const Type *CONTROL;
305 static const Type *DOUBLE;
306 static const Type *FLOAT;
307 static const Type *HALF;
308 static const Type *MEMORY;
309 static const Type *MULTI;
310 static const Type *RETURN_ADDRESS;
311 static const Type *TOP;
313 // Mapping from compiler type to VM BasicType
314 BasicType basic_type() const { return _basic_type[_base]; }
316 // Mapping from CI type system to compiler type:
317 static const Type* get_typeflow_type(ciType* type);
319 private:
320 // support arrays
321 static const BasicType _basic_type[];
322 static const Type* _zero_type[T_CONFLICT+1];
323 static const Type* _const_basic_type[T_CONFLICT+1];
324 };
326 //------------------------------TypeF------------------------------------------
327 // Class of Float-Constant Types.
328 class TypeF : public Type {
329 TypeF( float f ) : Type(FloatCon), _f(f) {};
330 public:
331 virtual bool eq( const Type *t ) const;
332 virtual int hash() const; // Type specific hashing
333 virtual bool singleton(void) const; // TRUE if type is a singleton
334 virtual bool empty(void) const; // TRUE if type is vacuous
335 public:
336 const float _f; // Float constant
338 static const TypeF *make(float f);
340 virtual bool is_finite() const; // Has a finite value
341 virtual bool is_nan() const; // Is not a number (NaN)
343 virtual const Type *xmeet( const Type *t ) const;
344 virtual const Type *xdual() const; // Compute dual right now.
345 // Convenience common pre-built types.
346 static const TypeF *ZERO; // positive zero only
347 static const TypeF *ONE;
348 #ifndef PRODUCT
349 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
350 #endif
351 };
353 //------------------------------TypeD------------------------------------------
354 // Class of Double-Constant Types.
355 class TypeD : public Type {
356 TypeD( double d ) : Type(DoubleCon), _d(d) {};
357 public:
358 virtual bool eq( const Type *t ) const;
359 virtual int hash() const; // Type specific hashing
360 virtual bool singleton(void) const; // TRUE if type is a singleton
361 virtual bool empty(void) const; // TRUE if type is vacuous
362 public:
363 const double _d; // Double constant
365 static const TypeD *make(double d);
367 virtual bool is_finite() const; // Has a finite value
368 virtual bool is_nan() const; // Is not a number (NaN)
370 virtual const Type *xmeet( const Type *t ) const;
371 virtual const Type *xdual() const; // Compute dual right now.
372 // Convenience common pre-built types.
373 static const TypeD *ZERO; // positive zero only
374 static const TypeD *ONE;
375 #ifndef PRODUCT
376 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
377 #endif
378 };
380 //------------------------------TypeInt----------------------------------------
381 // Class of integer ranges, the set of integers between a lower bound and an
382 // upper bound, inclusive.
383 class TypeInt : public Type {
384 TypeInt( jint lo, jint hi, int w );
385 public:
386 virtual bool eq( const Type *t ) const;
387 virtual int hash() const; // Type specific hashing
388 virtual bool singleton(void) const; // TRUE if type is a singleton
389 virtual bool empty(void) const; // TRUE if type is vacuous
390 public:
391 const jint _lo, _hi; // Lower bound, upper bound
392 const short _widen; // Limit on times we widen this sucker
394 static const TypeInt *make(jint lo);
395 // must always specify w
396 static const TypeInt *make(jint lo, jint hi, int w);
398 // Check for single integer
399 int is_con() const { return _lo==_hi; }
400 bool is_con(int i) const { return is_con() && _lo == i; }
401 jint get_con() const { assert( is_con(), "" ); return _lo; }
403 virtual bool is_finite() const; // Has a finite value
405 virtual const Type *xmeet( const Type *t ) const;
406 virtual const Type *xdual() const; // Compute dual right now.
407 virtual const Type *widen( const Type *t ) const;
408 virtual const Type *narrow( const Type *t ) const;
409 // Do not kill _widen bits.
410 virtual const Type *filter( const Type *kills ) const;
411 // Convenience common pre-built types.
412 static const TypeInt *MINUS_1;
413 static const TypeInt *ZERO;
414 static const TypeInt *ONE;
415 static const TypeInt *BOOL;
416 static const TypeInt *CC;
417 static const TypeInt *CC_LT; // [-1] == MINUS_1
418 static const TypeInt *CC_GT; // [1] == ONE
419 static const TypeInt *CC_EQ; // [0] == ZERO
420 static const TypeInt *CC_LE; // [-1,0]
421 static const TypeInt *CC_GE; // [0,1] == BOOL (!)
422 static const TypeInt *BYTE;
423 static const TypeInt *UBYTE;
424 static const TypeInt *CHAR;
425 static const TypeInt *SHORT;
426 static const TypeInt *POS;
427 static const TypeInt *POS1;
428 static const TypeInt *INT;
429 static const TypeInt *SYMINT; // symmetric range [-max_jint..max_jint]
430 #ifndef PRODUCT
431 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
432 #endif
433 };
436 //------------------------------TypeLong---------------------------------------
437 // Class of long integer ranges, the set of integers between a lower bound and
438 // an upper bound, inclusive.
439 class TypeLong : public Type {
440 TypeLong( jlong lo, jlong hi, int w );
441 public:
442 virtual bool eq( const Type *t ) const;
443 virtual int hash() const; // Type specific hashing
444 virtual bool singleton(void) const; // TRUE if type is a singleton
445 virtual bool empty(void) const; // TRUE if type is vacuous
446 public:
447 const jlong _lo, _hi; // Lower bound, upper bound
448 const short _widen; // Limit on times we widen this sucker
450 static const TypeLong *make(jlong lo);
451 // must always specify w
452 static const TypeLong *make(jlong lo, jlong hi, int w);
454 // Check for single integer
455 int is_con() const { return _lo==_hi; }
456 bool is_con(int i) const { return is_con() && _lo == i; }
457 jlong get_con() const { assert( is_con(), "" ); return _lo; }
459 virtual bool is_finite() const; // Has a finite value
461 virtual const Type *xmeet( const Type *t ) const;
462 virtual const Type *xdual() const; // Compute dual right now.
463 virtual const Type *widen( const Type *t ) const;
464 virtual const Type *narrow( const Type *t ) const;
465 // Do not kill _widen bits.
466 virtual const Type *filter( const Type *kills ) const;
467 // Convenience common pre-built types.
468 static const TypeLong *MINUS_1;
469 static const TypeLong *ZERO;
470 static const TypeLong *ONE;
471 static const TypeLong *POS;
472 static const TypeLong *LONG;
473 static const TypeLong *INT; // 32-bit subrange [min_jint..max_jint]
474 static const TypeLong *UINT; // 32-bit unsigned [0..max_juint]
475 #ifndef PRODUCT
476 virtual void dump2( Dict &d, uint, outputStream *st ) const;// Specialized per-Type dumping
477 #endif
478 };
480 //------------------------------TypeTuple--------------------------------------
481 // Class of Tuple Types, essentially type collections for function signatures
482 // and class layouts. It happens to also be a fast cache for the HotSpot
483 // signature types.
484 class TypeTuple : public Type {
485 TypeTuple( uint cnt, const Type **fields ) : Type(Tuple), _cnt(cnt), _fields(fields) { }
486 public:
487 virtual bool eq( const Type *t ) const;
488 virtual int hash() const; // Type specific hashing
489 virtual bool singleton(void) const; // TRUE if type is a singleton
490 virtual bool empty(void) const; // TRUE if type is vacuous
492 public:
493 const uint _cnt; // Count of fields
494 const Type ** const _fields; // Array of field types
496 // Accessors:
497 uint cnt() const { return _cnt; }
498 const Type* field_at(uint i) const {
499 assert(i < _cnt, "oob");
500 return _fields[i];
501 }
502 void set_field_at(uint i, const Type* t) {
503 assert(i < _cnt, "oob");
504 _fields[i] = t;
505 }
507 static const TypeTuple *make( uint cnt, const Type **fields );
508 static const TypeTuple *make_range(ciSignature *sig);
509 static const TypeTuple *make_domain(ciInstanceKlass* recv, ciSignature *sig);
511 // Subroutine call type with space allocated for argument types
512 static const Type **fields( uint arg_cnt );
514 virtual const Type *xmeet( const Type *t ) const;
515 virtual const Type *xdual() const; // Compute dual right now.
516 // Convenience common pre-built types.
517 static const TypeTuple *IFBOTH;
518 static const TypeTuple *IFFALSE;
519 static const TypeTuple *IFTRUE;
520 static const TypeTuple *IFNEITHER;
521 static const TypeTuple *LOOPBODY;
522 static const TypeTuple *MEMBAR;
523 static const TypeTuple *STORECONDITIONAL;
524 static const TypeTuple *START_I2C;
525 static const TypeTuple *INT_PAIR;
526 static const TypeTuple *LONG_PAIR;
527 #ifndef PRODUCT
528 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping
529 #endif
530 };
532 //------------------------------TypeAry----------------------------------------
533 // Class of Array Types
534 class TypeAry : public Type {
535 TypeAry( const Type *elem, const TypeInt *size) : Type(Array),
536 _elem(elem), _size(size) {}
537 public:
538 virtual bool eq( const Type *t ) const;
539 virtual int hash() const; // Type specific hashing
540 virtual bool singleton(void) const; // TRUE if type is a singleton
541 virtual bool empty(void) const; // TRUE if type is vacuous
543 private:
544 const Type *_elem; // Element type of array
545 const TypeInt *_size; // Elements in array
546 friend class TypeAryPtr;
548 public:
549 static const TypeAry *make( const Type *elem, const TypeInt *size);
551 virtual const Type *xmeet( const Type *t ) const;
552 virtual const Type *xdual() const; // Compute dual right now.
553 bool ary_must_be_exact() const; // true if arrays of such are never generic
554 #ifdef ASSERT
555 // One type is interface, the other is oop
556 virtual bool interface_vs_oop(const Type *t) const;
557 #endif
558 #ifndef PRODUCT
559 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping
560 #endif
561 };
563 //------------------------------TypePtr----------------------------------------
564 // Class of machine Pointer Types: raw data, instances or arrays.
565 // If the _base enum is AnyPtr, then this refers to all of the above.
566 // Otherwise the _base will indicate which subset of pointers is affected,
567 // and the class will be inherited from.
568 class TypePtr : public Type {
569 friend class TypeNarrowOop;
570 public:
571 enum PTR { TopPTR, AnyNull, Constant, Null, NotNull, BotPTR, lastPTR };
572 protected:
573 TypePtr( TYPES t, PTR ptr, int offset ) : Type(t), _ptr(ptr), _offset(offset) {}
574 virtual bool eq( const Type *t ) const;
575 virtual int hash() const; // Type specific hashing
576 static const PTR ptr_meet[lastPTR][lastPTR];
577 static const PTR ptr_dual[lastPTR];
578 static const char * const ptr_msg[lastPTR];
580 public:
581 const int _offset; // Offset into oop, with TOP & BOT
582 const PTR _ptr; // Pointer equivalence class
584 const int offset() const { return _offset; }
585 const PTR ptr() const { return _ptr; }
587 static const TypePtr *make( TYPES t, PTR ptr, int offset );
589 // Return a 'ptr' version of this type
590 virtual const Type *cast_to_ptr_type(PTR ptr) const;
592 virtual intptr_t get_con() const;
594 int xadd_offset( intptr_t offset ) const;
595 virtual const TypePtr *add_offset( intptr_t offset ) const;
597 virtual bool singleton(void) const; // TRUE if type is a singleton
598 virtual bool empty(void) const; // TRUE if type is vacuous
599 virtual const Type *xmeet( const Type *t ) const;
600 int meet_offset( int offset ) const;
601 int dual_offset( ) const;
602 virtual const Type *xdual() const; // Compute dual right now.
604 // meet, dual and join over pointer equivalence sets
605 PTR meet_ptr( const PTR in_ptr ) const { return ptr_meet[in_ptr][ptr()]; }
606 PTR dual_ptr() const { return ptr_dual[ptr()]; }
608 // This is textually confusing unless one recalls that
609 // join(t) == dual()->meet(t->dual())->dual().
610 PTR join_ptr( const PTR in_ptr ) const {
611 return ptr_dual[ ptr_meet[ ptr_dual[in_ptr] ] [ dual_ptr() ] ];
612 }
614 // Tests for relation to centerline of type lattice:
615 static bool above_centerline(PTR ptr) { return (ptr <= AnyNull); }
616 static bool below_centerline(PTR ptr) { return (ptr >= NotNull); }
617 // Convenience common pre-built types.
618 static const TypePtr *NULL_PTR;
619 static const TypePtr *NOTNULL;
620 static const TypePtr *BOTTOM;
621 #ifndef PRODUCT
622 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
623 #endif
624 };
626 //------------------------------TypeRawPtr-------------------------------------
627 // Class of raw pointers, pointers to things other than Oops. Examples
628 // include the stack pointer, top of heap, card-marking area, handles, etc.
629 class TypeRawPtr : public TypePtr {
630 protected:
631 TypeRawPtr( PTR ptr, address bits ) : TypePtr(RawPtr,ptr,0), _bits(bits){}
632 public:
633 virtual bool eq( const Type *t ) const;
634 virtual int hash() const; // Type specific hashing
636 const address _bits; // Constant value, if applicable
638 static const TypeRawPtr *make( PTR ptr );
639 static const TypeRawPtr *make( address bits );
641 // Return a 'ptr' version of this type
642 virtual const Type *cast_to_ptr_type(PTR ptr) const;
644 virtual intptr_t get_con() const;
646 virtual const TypePtr *add_offset( intptr_t offset ) const;
648 virtual const Type *xmeet( const Type *t ) const;
649 virtual const Type *xdual() const; // Compute dual right now.
650 // Convenience common pre-built types.
651 static const TypeRawPtr *BOTTOM;
652 static const TypeRawPtr *NOTNULL;
653 #ifndef PRODUCT
654 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
655 #endif
656 };
658 //------------------------------TypeOopPtr-------------------------------------
659 // Some kind of oop (Java pointer), either klass or instance or array.
660 class TypeOopPtr : public TypePtr {
661 protected:
662 TypeOopPtr( TYPES t, PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id );
663 public:
664 virtual bool eq( const Type *t ) const;
665 virtual int hash() const; // Type specific hashing
666 virtual bool singleton(void) const; // TRUE if type is a singleton
667 enum {
668 InstanceTop = -1, // undefined instance
669 InstanceBot = 0 // any possible instance
670 };
671 protected:
673 // Oop is NULL, unless this is a constant oop.
674 ciObject* _const_oop; // Constant oop
675 // If _klass is NULL, then so is _sig. This is an unloaded klass.
676 ciKlass* _klass; // Klass object
677 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.)
678 bool _klass_is_exact;
679 bool _is_ptr_to_narrowoop;
681 // If not InstanceTop or InstanceBot, indicates that this is
682 // a particular instance of this type which is distinct.
683 // This is the the node index of the allocation node creating this instance.
684 int _instance_id;
686 static const TypeOopPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact);
688 int dual_instance_id() const;
689 int meet_instance_id(int uid) const;
691 public:
692 // Creates a type given a klass. Correctly handles multi-dimensional arrays
693 // Respects UseUniqueSubclasses.
694 // If the klass is final, the resulting type will be exact.
695 static const TypeOopPtr* make_from_klass(ciKlass* klass) {
696 return make_from_klass_common(klass, true, false);
697 }
698 // Same as before, but will produce an exact type, even if
699 // the klass is not final, as long as it has exactly one implementation.
700 static const TypeOopPtr* make_from_klass_unique(ciKlass* klass) {
701 return make_from_klass_common(klass, true, true);
702 }
703 // Same as before, but does not respects UseUniqueSubclasses.
704 // Use this only for creating array element types.
705 static const TypeOopPtr* make_from_klass_raw(ciKlass* klass) {
706 return make_from_klass_common(klass, false, false);
707 }
708 // Creates a singleton type given an object.
709 static const TypeOopPtr* make_from_constant(ciObject* o);
711 // Make a generic (unclassed) pointer to an oop.
712 static const TypeOopPtr* make(PTR ptr, int offset);
714 ciObject* const_oop() const { return _const_oop; }
715 virtual ciKlass* klass() const { return _klass; }
716 bool klass_is_exact() const { return _klass_is_exact; }
718 // Returns true if this pointer points at memory which contains a
719 // compressed oop references.
720 bool is_ptr_to_narrowoop_nv() const { return _is_ptr_to_narrowoop; }
722 bool is_known_instance() const { return _instance_id > 0; }
723 int instance_id() const { return _instance_id; }
724 bool is_known_instance_field() const { return is_known_instance() && _offset >= 0; }
726 virtual intptr_t get_con() const;
728 virtual const Type *cast_to_ptr_type(PTR ptr) const;
730 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
732 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
734 // corresponding pointer to klass, for a given instance
735 const TypeKlassPtr* as_klass_type() const;
737 virtual const TypePtr *add_offset( intptr_t offset ) const;
739 virtual const Type *xmeet( const Type *t ) const;
740 virtual const Type *xdual() const; // Compute dual right now.
742 // Do not allow interface-vs.-noninterface joins to collapse to top.
743 virtual const Type *filter( const Type *kills ) const;
745 // Convenience common pre-built type.
746 static const TypeOopPtr *BOTTOM;
747 #ifndef PRODUCT
748 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
749 #endif
750 };
752 //------------------------------TypeInstPtr------------------------------------
753 // Class of Java object pointers, pointing either to non-array Java instances
754 // or to a klassOop (including array klasses).
755 class TypeInstPtr : public TypeOopPtr {
756 TypeInstPtr( PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id );
757 virtual bool eq( const Type *t ) const;
758 virtual int hash() const; // Type specific hashing
760 ciSymbol* _name; // class name
762 public:
763 ciSymbol* name() const { return _name; }
765 bool is_loaded() const { return _klass->is_loaded(); }
767 // Make a pointer to a constant oop.
768 static const TypeInstPtr *make(ciObject* o) {
769 return make(TypePtr::Constant, o->klass(), true, o, 0);
770 }
772 // Make a pointer to a constant oop with offset.
773 static const TypeInstPtr *make(ciObject* o, int offset) {
774 return make(TypePtr::Constant, o->klass(), true, o, offset);
775 }
777 // Make a pointer to some value of type klass.
778 static const TypeInstPtr *make(PTR ptr, ciKlass* klass) {
779 return make(ptr, klass, false, NULL, 0);
780 }
782 // Make a pointer to some non-polymorphic value of exactly type klass.
783 static const TypeInstPtr *make_exact(PTR ptr, ciKlass* klass) {
784 return make(ptr, klass, true, NULL, 0);
785 }
787 // Make a pointer to some value of type klass with offset.
788 static const TypeInstPtr *make(PTR ptr, ciKlass* klass, int offset) {
789 return make(ptr, klass, false, NULL, offset);
790 }
792 // Make a pointer to an oop.
793 static const TypeInstPtr *make(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id = InstanceBot );
795 // If this is a java.lang.Class constant, return the type for it or NULL.
796 // Pass to Type::get_const_type to turn it to a type, which will usually
797 // be a TypeInstPtr, but may also be a TypeInt::INT for int.class, etc.
798 ciType* java_mirror_type() const;
800 virtual const Type *cast_to_ptr_type(PTR ptr) const;
802 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
804 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
806 virtual const TypePtr *add_offset( intptr_t offset ) const;
808 virtual const Type *xmeet( const Type *t ) const;
809 virtual const TypeInstPtr *xmeet_unloaded( const TypeInstPtr *t ) const;
810 virtual const Type *xdual() const; // Compute dual right now.
812 // Convenience common pre-built types.
813 static const TypeInstPtr *NOTNULL;
814 static const TypeInstPtr *BOTTOM;
815 static const TypeInstPtr *MIRROR;
816 static const TypeInstPtr *MARK;
817 static const TypeInstPtr *KLASS;
818 #ifndef PRODUCT
819 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
820 #endif
821 };
823 //------------------------------TypeAryPtr-------------------------------------
824 // Class of Java array pointers
825 class TypeAryPtr : public TypeOopPtr {
826 TypeAryPtr( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id ) : TypeOopPtr(AryPtr,ptr,k,xk,o,offset, instance_id), _ary(ary) {};
827 virtual bool eq( const Type *t ) const;
828 virtual int hash() const; // Type specific hashing
829 const TypeAry *_ary; // Array we point into
831 public:
832 // Accessors
833 ciKlass* klass() const;
834 const TypeAry* ary() const { return _ary; }
835 const Type* elem() const { return _ary->_elem; }
836 const TypeInt* size() const { return _ary->_size; }
838 static const TypeAryPtr *make( PTR ptr, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id = InstanceBot);
839 // Constant pointer to array
840 static const TypeAryPtr *make( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id = InstanceBot);
842 // Convenience
843 static const TypeAryPtr *make(ciObject* o);
845 // Return a 'ptr' version of this type
846 virtual const Type *cast_to_ptr_type(PTR ptr) const;
848 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
850 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
852 virtual const TypeAryPtr* cast_to_size(const TypeInt* size) const;
853 virtual const TypeInt* narrow_size_type(const TypeInt* size) const;
855 virtual bool empty(void) const; // TRUE if type is vacuous
856 virtual const TypePtr *add_offset( intptr_t offset ) const;
858 virtual const Type *xmeet( const Type *t ) const;
859 virtual const Type *xdual() const; // Compute dual right now.
861 // Convenience common pre-built types.
862 static const TypeAryPtr *RANGE;
863 static const TypeAryPtr *OOPS;
864 static const TypeAryPtr *NARROWOOPS;
865 static const TypeAryPtr *BYTES;
866 static const TypeAryPtr *SHORTS;
867 static const TypeAryPtr *CHARS;
868 static const TypeAryPtr *INTS;
869 static const TypeAryPtr *LONGS;
870 static const TypeAryPtr *FLOATS;
871 static const TypeAryPtr *DOUBLES;
872 // selects one of the above:
873 static const TypeAryPtr *get_array_body_type(BasicType elem) {
874 assert((uint)elem <= T_CONFLICT && _array_body_type[elem] != NULL, "bad elem type");
875 return _array_body_type[elem];
876 }
877 static const TypeAryPtr *_array_body_type[T_CONFLICT+1];
878 // sharpen the type of an int which is used as an array size
879 #ifdef ASSERT
880 // One type is interface, the other is oop
881 virtual bool interface_vs_oop(const Type *t) const;
882 #endif
883 #ifndef PRODUCT
884 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
885 #endif
886 };
888 //------------------------------TypeKlassPtr-----------------------------------
889 // Class of Java Klass pointers
890 class TypeKlassPtr : public TypeOopPtr {
891 TypeKlassPtr( PTR ptr, ciKlass* klass, int offset );
893 virtual bool eq( const Type *t ) const;
894 virtual int hash() const; // Type specific hashing
896 public:
897 ciSymbol* name() const { return _klass->name(); }
899 bool is_loaded() const { return _klass->is_loaded(); }
901 // ptr to klass 'k'
902 static const TypeKlassPtr *make( ciKlass* k ) { return make( TypePtr::Constant, k, 0); }
903 // ptr to klass 'k' with offset
904 static const TypeKlassPtr *make( ciKlass* k, int offset ) { return make( TypePtr::Constant, k, offset); }
905 // ptr to klass 'k' or sub-klass
906 static const TypeKlassPtr *make( PTR ptr, ciKlass* k, int offset);
908 virtual const Type *cast_to_ptr_type(PTR ptr) const;
910 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
912 // corresponding pointer to instance, for a given class
913 const TypeOopPtr* as_instance_type() const;
915 virtual const TypePtr *add_offset( intptr_t offset ) const;
916 virtual const Type *xmeet( const Type *t ) const;
917 virtual const Type *xdual() const; // Compute dual right now.
919 // Convenience common pre-built types.
920 static const TypeKlassPtr* OBJECT; // Not-null object klass or below
921 static const TypeKlassPtr* OBJECT_OR_NULL; // Maybe-null version of same
922 #ifndef PRODUCT
923 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
924 #endif
925 };
927 //------------------------------TypeNarrowOop----------------------------------
928 // A compressed reference to some kind of Oop. This type wraps around
929 // a preexisting TypeOopPtr and forwards most of it's operations to
930 // the underlying type. It's only real purpose is to track the
931 // oopness of the compressed oop value when we expose the conversion
932 // between the normal and the compressed form.
933 class TypeNarrowOop : public Type {
934 protected:
935 const TypePtr* _ooptype; // Could be TypePtr::NULL_PTR
937 TypeNarrowOop( const TypePtr* ooptype): Type(NarrowOop),
938 _ooptype(ooptype) {
939 assert(ooptype->offset() == 0 ||
940 ooptype->offset() == OffsetBot ||
941 ooptype->offset() == OffsetTop, "no real offsets");
942 }
943 public:
944 virtual bool eq( const Type *t ) const;
945 virtual int hash() const; // Type specific hashing
946 virtual bool singleton(void) const; // TRUE if type is a singleton
948 virtual const Type *xmeet( const Type *t ) const;
949 virtual const Type *xdual() const; // Compute dual right now.
951 virtual intptr_t get_con() const;
953 // Do not allow interface-vs.-noninterface joins to collapse to top.
954 virtual const Type *filter( const Type *kills ) const;
956 virtual bool empty(void) const; // TRUE if type is vacuous
958 static const TypeNarrowOop *make( const TypePtr* type);
960 static const TypeNarrowOop* make_from_constant(ciObject* con) {
961 return make(TypeOopPtr::make_from_constant(con));
962 }
964 // returns the equivalent ptr type for this compressed pointer
965 const TypePtr *make_oopptr() const {
966 return _ooptype;
967 }
969 static const TypeNarrowOop *BOTTOM;
970 static const TypeNarrowOop *NULL_PTR;
972 #ifndef PRODUCT
973 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
974 #endif
975 };
977 //------------------------------TypeFunc---------------------------------------
978 // Class of Array Types
979 class TypeFunc : public Type {
980 TypeFunc( const TypeTuple *domain, const TypeTuple *range ) : Type(Function), _domain(domain), _range(range) {}
981 virtual bool eq( const Type *t ) const;
982 virtual int hash() const; // Type specific hashing
983 virtual bool singleton(void) const; // TRUE if type is a singleton
984 virtual bool empty(void) const; // TRUE if type is vacuous
985 public:
986 // Constants are shared among ADLC and VM
987 enum { Control = AdlcVMDeps::Control,
988 I_O = AdlcVMDeps::I_O,
989 Memory = AdlcVMDeps::Memory,
990 FramePtr = AdlcVMDeps::FramePtr,
991 ReturnAdr = AdlcVMDeps::ReturnAdr,
992 Parms = AdlcVMDeps::Parms
993 };
995 const TypeTuple* const _domain; // Domain of inputs
996 const TypeTuple* const _range; // Range of results
998 // Accessors:
999 const TypeTuple* domain() const { return _domain; }
1000 const TypeTuple* range() const { return _range; }
1002 static const TypeFunc *make(ciMethod* method);
1003 static const TypeFunc *make(ciSignature signature, const Type* extra);
1004 static const TypeFunc *make(const TypeTuple* domain, const TypeTuple* range);
1006 virtual const Type *xmeet( const Type *t ) const;
1007 virtual const Type *xdual() const; // Compute dual right now.
1009 BasicType return_type() const;
1011 #ifndef PRODUCT
1012 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1013 void print_flattened() const; // Print a 'flattened' signature
1014 #endif
1015 // Convenience common pre-built types.
1016 };
1018 //------------------------------accessors--------------------------------------
1019 inline bool Type::is_ptr_to_narrowoop() const {
1020 #ifdef _LP64
1021 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowoop_nv());
1022 #else
1023 return false;
1024 #endif
1025 }
1027 inline float Type::getf() const {
1028 assert( _base == FloatCon, "Not a FloatCon" );
1029 return ((TypeF*)this)->_f;
1030 }
1032 inline double Type::getd() const {
1033 assert( _base == DoubleCon, "Not a DoubleCon" );
1034 return ((TypeD*)this)->_d;
1035 }
1037 inline const TypeF *Type::is_float_constant() const {
1038 assert( _base == FloatCon, "Not a Float" );
1039 return (TypeF*)this;
1040 }
1042 inline const TypeF *Type::isa_float_constant() const {
1043 return ( _base == FloatCon ? (TypeF*)this : NULL);
1044 }
1046 inline const TypeD *Type::is_double_constant() const {
1047 assert( _base == DoubleCon, "Not a Double" );
1048 return (TypeD*)this;
1049 }
1051 inline const TypeD *Type::isa_double_constant() const {
1052 return ( _base == DoubleCon ? (TypeD*)this : NULL);
1053 }
1055 inline const TypeInt *Type::is_int() const {
1056 assert( _base == Int, "Not an Int" );
1057 return (TypeInt*)this;
1058 }
1060 inline const TypeInt *Type::isa_int() const {
1061 return ( _base == Int ? (TypeInt*)this : NULL);
1062 }
1064 inline const TypeLong *Type::is_long() const {
1065 assert( _base == Long, "Not a Long" );
1066 return (TypeLong*)this;
1067 }
1069 inline const TypeLong *Type::isa_long() const {
1070 return ( _base == Long ? (TypeLong*)this : NULL);
1071 }
1073 inline const TypeTuple *Type::is_tuple() const {
1074 assert( _base == Tuple, "Not a Tuple" );
1075 return (TypeTuple*)this;
1076 }
1078 inline const TypeAry *Type::is_ary() const {
1079 assert( _base == Array , "Not an Array" );
1080 return (TypeAry*)this;
1081 }
1083 inline const TypePtr *Type::is_ptr() const {
1084 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
1085 assert(_base >= AnyPtr && _base <= KlassPtr, "Not a pointer");
1086 return (TypePtr*)this;
1087 }
1089 inline const TypePtr *Type::isa_ptr() const {
1090 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
1091 return (_base >= AnyPtr && _base <= KlassPtr) ? (TypePtr*)this : NULL;
1092 }
1094 inline const TypeOopPtr *Type::is_oopptr() const {
1095 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1096 assert(_base >= OopPtr && _base <= KlassPtr, "Not a Java pointer" ) ;
1097 return (TypeOopPtr*)this;
1098 }
1100 inline const TypeOopPtr *Type::isa_oopptr() const {
1101 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1102 return (_base >= OopPtr && _base <= KlassPtr) ? (TypeOopPtr*)this : NULL;
1103 }
1105 inline const TypeRawPtr *Type::isa_rawptr() const {
1106 return (_base == RawPtr) ? (TypeRawPtr*)this : NULL;
1107 }
1109 inline const TypeRawPtr *Type::is_rawptr() const {
1110 assert( _base == RawPtr, "Not a raw pointer" );
1111 return (TypeRawPtr*)this;
1112 }
1114 inline const TypeInstPtr *Type::isa_instptr() const {
1115 return (_base == InstPtr) ? (TypeInstPtr*)this : NULL;
1116 }
1118 inline const TypeInstPtr *Type::is_instptr() const {
1119 assert( _base == InstPtr, "Not an object pointer" );
1120 return (TypeInstPtr*)this;
1121 }
1123 inline const TypeAryPtr *Type::isa_aryptr() const {
1124 return (_base == AryPtr) ? (TypeAryPtr*)this : NULL;
1125 }
1127 inline const TypeAryPtr *Type::is_aryptr() const {
1128 assert( _base == AryPtr, "Not an array pointer" );
1129 return (TypeAryPtr*)this;
1130 }
1132 inline const TypeNarrowOop *Type::is_narrowoop() const {
1133 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1134 assert(_base == NarrowOop, "Not a narrow oop" ) ;
1135 return (TypeNarrowOop*)this;
1136 }
1138 inline const TypeNarrowOop *Type::isa_narrowoop() const {
1139 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1140 return (_base == NarrowOop) ? (TypeNarrowOop*)this : NULL;
1141 }
1143 inline const TypeKlassPtr *Type::isa_klassptr() const {
1144 return (_base == KlassPtr) ? (TypeKlassPtr*)this : NULL;
1145 }
1147 inline const TypeKlassPtr *Type::is_klassptr() const {
1148 assert( _base == KlassPtr, "Not a klass pointer" );
1149 return (TypeKlassPtr*)this;
1150 }
1152 inline const TypePtr* Type::make_ptr() const {
1153 return (_base == NarrowOop) ? is_narrowoop()->make_oopptr() :
1154 (isa_ptr() ? is_ptr() : NULL);
1155 }
1157 inline const TypeNarrowOop* Type::make_narrowoop() const {
1158 return (_base == NarrowOop) ? is_narrowoop() :
1159 (isa_ptr() ? TypeNarrowOop::make(is_ptr()) : NULL);
1160 }
1162 inline bool Type::is_floatingpoint() const {
1163 if( (_base == FloatCon) || (_base == FloatBot) ||
1164 (_base == DoubleCon) || (_base == DoubleBot) )
1165 return true;
1166 return false;
1167 }
1170 // ===============================================================
1171 // Things that need to be 64-bits in the 64-bit build but
1172 // 32-bits in the 32-bit build. Done this way to get full
1173 // optimization AND strong typing.
1174 #ifdef _LP64
1176 // For type queries and asserts
1177 #define is_intptr_t is_long
1178 #define isa_intptr_t isa_long
1179 #define find_intptr_t_type find_long_type
1180 #define find_intptr_t_con find_long_con
1181 #define TypeX TypeLong
1182 #define Type_X Type::Long
1183 #define TypeX_X TypeLong::LONG
1184 #define TypeX_ZERO TypeLong::ZERO
1185 // For 'ideal_reg' machine registers
1186 #define Op_RegX Op_RegL
1187 // For phase->intcon variants
1188 #define MakeConX longcon
1189 #define ConXNode ConLNode
1190 // For array index arithmetic
1191 #define MulXNode MulLNode
1192 #define AndXNode AndLNode
1193 #define OrXNode OrLNode
1194 #define CmpXNode CmpLNode
1195 #define SubXNode SubLNode
1196 #define LShiftXNode LShiftLNode
1197 // For object size computation:
1198 #define AddXNode AddLNode
1199 #define RShiftXNode RShiftLNode
1200 // For card marks and hashcodes
1201 #define URShiftXNode URShiftLNode
1202 // UseOptoBiasInlining
1203 #define XorXNode XorLNode
1204 #define StoreXConditionalNode StoreLConditionalNode
1205 // Opcodes
1206 #define Op_LShiftX Op_LShiftL
1207 #define Op_AndX Op_AndL
1208 #define Op_AddX Op_AddL
1209 #define Op_SubX Op_SubL
1210 // conversions
1211 #define ConvI2X(x) ConvI2L(x)
1212 #define ConvL2X(x) (x)
1213 #define ConvX2I(x) ConvL2I(x)
1214 #define ConvX2L(x) (x)
1216 #else
1218 // For type queries and asserts
1219 #define is_intptr_t is_int
1220 #define isa_intptr_t isa_int
1221 #define find_intptr_t_type find_int_type
1222 #define find_intptr_t_con find_int_con
1223 #define TypeX TypeInt
1224 #define Type_X Type::Int
1225 #define TypeX_X TypeInt::INT
1226 #define TypeX_ZERO TypeInt::ZERO
1227 // For 'ideal_reg' machine registers
1228 #define Op_RegX Op_RegI
1229 // For phase->intcon variants
1230 #define MakeConX intcon
1231 #define ConXNode ConINode
1232 // For array index arithmetic
1233 #define MulXNode MulINode
1234 #define AndXNode AndINode
1235 #define OrXNode OrINode
1236 #define CmpXNode CmpINode
1237 #define SubXNode SubINode
1238 #define LShiftXNode LShiftINode
1239 // For object size computation:
1240 #define AddXNode AddINode
1241 #define RShiftXNode RShiftINode
1242 // For card marks and hashcodes
1243 #define URShiftXNode URShiftINode
1244 // UseOptoBiasInlining
1245 #define XorXNode XorINode
1246 #define StoreXConditionalNode StoreIConditionalNode
1247 // Opcodes
1248 #define Op_LShiftX Op_LShiftI
1249 #define Op_AndX Op_AndI
1250 #define Op_AddX Op_AddI
1251 #define Op_SubX Op_SubI
1252 // conversions
1253 #define ConvI2X(x) (x)
1254 #define ConvL2X(x) ConvL2I(x)
1255 #define ConvX2I(x) (x)
1256 #define ConvX2L(x) ConvI2L(x)
1258 #endif