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.
22 *
23 */
24
25 // Portions of code courtesy of Clifford Click
26
27 // Optimization - Graph Style
28
29
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.
37
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;
53
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
69
70 Tuple, // Method signature or object layout
71 Array, // Array types
72
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.)
80
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 };
94
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 };
100
101 // Min and max WIDEN values.
102 enum WIDEN {
103 WidenMin = 0,
104 WidenMax = 3
105 };
106
107 private:
108 // Dictionary of types shared among compilations.
109 static Dict* _shared_type_dict;
110
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;
115
116 // Top-level hash-table of types
117 static Dict *type_dict() {
118 return Compile::current()->type_dict();
119 }
120
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];
127
128 protected:
129 // Each class of type is also identified by its base.
130 const TYPES _base; // Enum of Types type
131
132 Type( TYPES t ) : _dual(NULL), _base(t) {} // Simple types
133 // ~Type(); // Use fast deallocation
134 const Type *hashcons(); // Hash-cons the type
135
136 public:
137
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 }
149
150 // Initialize the type system for a particular compilation.
151 static void Initialize(Compile* compile);
152
153 // Initialize the types shared by all compilations.
154 static void Initialize_shared(Compile* compile);
155
156 TYPES base() const {
157 assert(_base > Bad && _base < lastype, "sanity");
158 return _base;
159 }
160
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); }
167
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; }
174
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; }
178
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.
182
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(); }
187
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;
192
193 #ifdef ASSERT
194 // One type is interface, the other is oop
195 virtual bool interface_vs_oop(const Type *t) const;
196 #endif
197
198 // Returns true if this pointer points at memory which contains a
199 // compressed oop references.
200 bool is_ptr_to_narrowoop() const;
201
202 // Convenience access
203 float getf() const;
204 double getd() const;
205
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)
232
233 // Returns this ptr type or the equivalent ptr type for this compressed pointer.
234 const TypePtr* make_ptr() const;
235
236 // Returns this oopptr type or the equivalent oopptr type for this compressed pointer.
237 // Asserts if the underlying type is not an oopptr or narrowoop.
238 const TypeOopPtr* make_oopptr() const;
239
240 // Returns this compressed pointer or the equivalent compressed version
241 // of this pointer type.
242 const TypeNarrowOop* make_narrowoop() const;
243
244 // Special test for register pressure heuristic
245 bool is_floatingpoint() const; // True if Float or Double base type
246
247 // Do you have memory, directly or through a tuple?
248 bool has_memory( ) const;
249
250 // Are you a pointer type or not?
251 bool isa_oop_ptr() const;
252
253 // TRUE if type is a singleton
254 virtual bool singleton(void) const;
255
256 // TRUE if type is above the lattice centerline, and is therefore vacuous
257 virtual bool empty(void) const;
258
259 // Return a hash for this type. The hash function is public so ConNode
260 // (constants) can hash on their constant, which is represented by a Type.
261 virtual int hash() const;
262
263 // Map ideal registers (machine types) to ideal types
264 static const Type *mreg2type[];
265
266 // Printing, statistics
267 static const char * const msg[lastype]; // Printable strings
268 #ifndef PRODUCT
269 void dump_on(outputStream *st) const;
270 void dump() const {
271 dump_on(tty);
272 }
273 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
274 static void dump_stats();
275 static void verify_lastype(); // Check that arrays match type enum
276 #endif
277 void typerr(const Type *t) const; // Mixing types error
278
279 // Create basic type
280 static const Type* get_const_basic_type(BasicType type) {
281 assert((uint)type <= T_CONFLICT && _const_basic_type[type] != NULL, "bad type");
282 return _const_basic_type[type];
283 }
284
285 // Mapping to the array element's basic type.
286 BasicType array_element_basic_type() const;
287
288 // Create standard type for a ciType:
289 static const Type* get_const_type(ciType* type);
290
291 // Create standard zero value:
292 static const Type* get_zero_type(BasicType type) {
293 assert((uint)type <= T_CONFLICT && _zero_type[type] != NULL, "bad type");
294 return _zero_type[type];
295 }
296
297 // Report if this is a zero value (not top).
298 bool is_zero_type() const {
299 BasicType type = basic_type();
300 if (type == T_VOID || type >= T_CONFLICT)
301 return false;
302 else
303 return (this == _zero_type[type]);
304 }
305
306 // Convenience common pre-built types.
307 static const Type *ABIO;
308 static const Type *BOTTOM;
309 static const Type *CONTROL;
310 static const Type *DOUBLE;
311 static const Type *FLOAT;
312 static const Type *HALF;
313 static const Type *MEMORY;
314 static const Type *MULTI;
315 static const Type *RETURN_ADDRESS;
316 static const Type *TOP;
317
318 // Mapping from compiler type to VM BasicType
319 BasicType basic_type() const { return _basic_type[_base]; }
320
321 // Mapping from CI type system to compiler type:
322 static const Type* get_typeflow_type(ciType* type);
323
324 private:
325 // support arrays
326 static const BasicType _basic_type[];
327 static const Type* _zero_type[T_CONFLICT+1];
328 static const Type* _const_basic_type[T_CONFLICT+1];
329 };
330
331 //------------------------------TypeF------------------------------------------
332 // Class of Float-Constant Types.
333 class TypeF : public Type {
334 TypeF( float f ) : Type(FloatCon), _f(f) {};
335 public:
336 virtual bool eq( const Type *t ) const;
337 virtual int hash() const; // Type specific hashing
338 virtual bool singleton(void) const; // TRUE if type is a singleton
339 virtual bool empty(void) const; // TRUE if type is vacuous
340 public:
341 const float _f; // Float constant
342
343 static const TypeF *make(float f);
344
345 virtual bool is_finite() const; // Has a finite value
346 virtual bool is_nan() const; // Is not a number (NaN)
347
348 virtual const Type *xmeet( const Type *t ) const;
349 virtual const Type *xdual() const; // Compute dual right now.
350 // Convenience common pre-built types.
351 static const TypeF *ZERO; // positive zero only
352 static const TypeF *ONE;
353 #ifndef PRODUCT
354 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
355 #endif
356 };
357
358 //------------------------------TypeD------------------------------------------
359 // Class of Double-Constant Types.
360 class TypeD : public Type {
361 TypeD( double d ) : Type(DoubleCon), _d(d) {};
362 public:
363 virtual bool eq( const Type *t ) const;
364 virtual int hash() const; // Type specific hashing
365 virtual bool singleton(void) const; // TRUE if type is a singleton
366 virtual bool empty(void) const; // TRUE if type is vacuous
367 public:
368 const double _d; // Double constant
369
370 static const TypeD *make(double d);
371
372 virtual bool is_finite() const; // Has a finite value
373 virtual bool is_nan() const; // Is not a number (NaN)
374
375 virtual const Type *xmeet( const Type *t ) const;
376 virtual const Type *xdual() const; // Compute dual right now.
377 // Convenience common pre-built types.
378 static const TypeD *ZERO; // positive zero only
379 static const TypeD *ONE;
380 #ifndef PRODUCT
381 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
382 #endif
383 };
384
385 //------------------------------TypeInt----------------------------------------
386 // Class of integer ranges, the set of integers between a lower bound and an
387 // upper bound, inclusive.
388 class TypeInt : public Type {
389 TypeInt( jint lo, jint hi, int w );
390 public:
391 virtual bool eq( const Type *t ) const;
392 virtual int hash() const; // Type specific hashing
393 virtual bool singleton(void) const; // TRUE if type is a singleton
394 virtual bool empty(void) const; // TRUE if type is vacuous
395 public:
396 const jint _lo, _hi; // Lower bound, upper bound
397 const short _widen; // Limit on times we widen this sucker
398
399 static const TypeInt *make(jint lo);
400 // must always specify w
401 static const TypeInt *make(jint lo, jint hi, int w);
402
403 // Check for single integer
404 int is_con() const { return _lo==_hi; }
405 bool is_con(int i) const { return is_con() && _lo == i; }
406 jint get_con() const { assert( is_con(), "" ); return _lo; }
407
408 virtual bool is_finite() const; // Has a finite value
409
410 virtual const Type *xmeet( const Type *t ) const;
411 virtual const Type *xdual() const; // Compute dual right now.
412 virtual const Type *widen( const Type *t ) const;
413 virtual const Type *narrow( const Type *t ) const;
414 // Do not kill _widen bits.
415 virtual const Type *filter( const Type *kills ) const;
416 // Convenience common pre-built types.
417 static const TypeInt *MINUS_1;
418 static const TypeInt *ZERO;
419 static const TypeInt *ONE;
420 static const TypeInt *BOOL;
421 static const TypeInt *CC;
422 static const TypeInt *CC_LT; // [-1] == MINUS_1
423 static const TypeInt *CC_GT; // [1] == ONE
424 static const TypeInt *CC_EQ; // [0] == ZERO
425 static const TypeInt *CC_LE; // [-1,0]
426 static const TypeInt *CC_GE; // [0,1] == BOOL (!)
427 static const TypeInt *BYTE;
428 static const TypeInt *UBYTE;
429 static const TypeInt *CHAR;
430 static const TypeInt *SHORT;
431 static const TypeInt *POS;
432 static const TypeInt *POS1;
433 static const TypeInt *INT;
434 static const TypeInt *SYMINT; // symmetric range [-max_jint..max_jint]
435 #ifndef PRODUCT
436 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
437 #endif
438 };
439
440
441 //------------------------------TypeLong---------------------------------------
442 // Class of long integer ranges, the set of integers between a lower bound and
443 // an upper bound, inclusive.
444 class TypeLong : public Type {
445 TypeLong( jlong lo, jlong hi, int w );
446 public:
447 virtual bool eq( const Type *t ) const;
448 virtual int hash() const; // Type specific hashing
449 virtual bool singleton(void) const; // TRUE if type is a singleton
450 virtual bool empty(void) const; // TRUE if type is vacuous
451 public:
452 const jlong _lo, _hi; // Lower bound, upper bound
453 const short _widen; // Limit on times we widen this sucker
454
455 static const TypeLong *make(jlong lo);
456 // must always specify w
457 static const TypeLong *make(jlong lo, jlong hi, int w);
458
459 // Check for single integer
460 int is_con() const { return _lo==_hi; }
461 bool is_con(int i) const { return is_con() && _lo == i; }
462 jlong get_con() const { assert( is_con(), "" ); return _lo; }
463
464 virtual bool is_finite() const; // Has a finite value
465
466 virtual const Type *xmeet( const Type *t ) const;
467 virtual const Type *xdual() const; // Compute dual right now.
468 virtual const Type *widen( const Type *t ) const;
469 virtual const Type *narrow( const Type *t ) const;
470 // Do not kill _widen bits.
471 virtual const Type *filter( const Type *kills ) const;
472 // Convenience common pre-built types.
473 static const TypeLong *MINUS_1;
474 static const TypeLong *ZERO;
475 static const TypeLong *ONE;
476 static const TypeLong *POS;
477 static const TypeLong *LONG;
478 static const TypeLong *INT; // 32-bit subrange [min_jint..max_jint]
479 static const TypeLong *UINT; // 32-bit unsigned [0..max_juint]
480 #ifndef PRODUCT
481 virtual void dump2( Dict &d, uint, outputStream *st ) const;// Specialized per-Type dumping
482 #endif
483 };
484
485 //------------------------------TypeTuple--------------------------------------
486 // Class of Tuple Types, essentially type collections for function signatures
487 // and class layouts. It happens to also be a fast cache for the HotSpot
488 // signature types.
489 class TypeTuple : public Type {
490 TypeTuple( uint cnt, const Type **fields ) : Type(Tuple), _cnt(cnt), _fields(fields) { }
491 public:
492 virtual bool eq( const Type *t ) const;
493 virtual int hash() const; // Type specific hashing
494 virtual bool singleton(void) const; // TRUE if type is a singleton
495 virtual bool empty(void) const; // TRUE if type is vacuous
496
497 public:
498 const uint _cnt; // Count of fields
499 const Type ** const _fields; // Array of field types
500
501 // Accessors:
502 uint cnt() const { return _cnt; }
503 const Type* field_at(uint i) const {
504 assert(i < _cnt, "oob");
505 return _fields[i];
506 }
507 void set_field_at(uint i, const Type* t) {
508 assert(i < _cnt, "oob");
509 _fields[i] = t;
510 }
511
512 static const TypeTuple *make( uint cnt, const Type **fields );
513 static const TypeTuple *make_range(ciSignature *sig);
514 static const TypeTuple *make_domain(ciInstanceKlass* recv, ciSignature *sig);
515
516 // Subroutine call type with space allocated for argument types
517 static const Type **fields( uint arg_cnt );
518
519 virtual const Type *xmeet( const Type *t ) const;
520 virtual const Type *xdual() const; // Compute dual right now.
521 // Convenience common pre-built types.
522 static const TypeTuple *IFBOTH;
523 static const TypeTuple *IFFALSE;
524 static const TypeTuple *IFTRUE;
525 static const TypeTuple *IFNEITHER;
526 static const TypeTuple *LOOPBODY;
527 static const TypeTuple *MEMBAR;
528 static const TypeTuple *STORECONDITIONAL;
529 static const TypeTuple *START_I2C;
530 static const TypeTuple *INT_PAIR;
531 static const TypeTuple *LONG_PAIR;
532 #ifndef PRODUCT
533 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping
534 #endif
535 };
536
537 //------------------------------TypeAry----------------------------------------
538 // Class of Array Types
539 class TypeAry : public Type {
540 TypeAry( const Type *elem, const TypeInt *size) : Type(Array),
541 _elem(elem), _size(size) {}
542 public:
543 virtual bool eq( const Type *t ) const;
544 virtual int hash() const; // Type specific hashing
545 virtual bool singleton(void) const; // TRUE if type is a singleton
546 virtual bool empty(void) const; // TRUE if type is vacuous
547
548 private:
549 const Type *_elem; // Element type of array
550 const TypeInt *_size; // Elements in array
551 friend class TypeAryPtr;
552
553 public:
554 static const TypeAry *make( const Type *elem, const TypeInt *size);
555
556 virtual const Type *xmeet( const Type *t ) const;
557 virtual const Type *xdual() const; // Compute dual right now.
558 bool ary_must_be_exact() const; // true if arrays of such are never generic
559 #ifdef ASSERT
560 // One type is interface, the other is oop
561 virtual bool interface_vs_oop(const Type *t) const;
562 #endif
563 #ifndef PRODUCT
564 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping
565 #endif
566 };
567
568 //------------------------------TypePtr----------------------------------------
569 // Class of machine Pointer Types: raw data, instances or arrays.
570 // If the _base enum is AnyPtr, then this refers to all of the above.
571 // Otherwise the _base will indicate which subset of pointers is affected,
572 // and the class will be inherited from.
573 class TypePtr : public Type {
574 friend class TypeNarrowOop;
575 public:
576 enum PTR { TopPTR, AnyNull, Constant, Null, NotNull, BotPTR, lastPTR };
577 protected:
578 TypePtr( TYPES t, PTR ptr, int offset ) : Type(t), _ptr(ptr), _offset(offset) {}
579 virtual bool eq( const Type *t ) const;
580 virtual int hash() const; // Type specific hashing
581 static const PTR ptr_meet[lastPTR][lastPTR];
582 static const PTR ptr_dual[lastPTR];
583 static const char * const ptr_msg[lastPTR];
584
585 public:
586 const int _offset; // Offset into oop, with TOP & BOT
587 const PTR _ptr; // Pointer equivalence class
588
589 const int offset() const { return _offset; }
590 const PTR ptr() const { return _ptr; }
591
592 static const TypePtr *make( TYPES t, PTR ptr, int offset );
593
594 // Return a 'ptr' version of this type
595 virtual const Type *cast_to_ptr_type(PTR ptr) const;
596
597 virtual intptr_t get_con() const;
598
599 int xadd_offset( intptr_t offset ) const;
600 virtual const TypePtr *add_offset( intptr_t offset ) const;
601
602 virtual bool singleton(void) const; // TRUE if type is a singleton
603 virtual bool empty(void) const; // TRUE if type is vacuous
604 virtual const Type *xmeet( const Type *t ) const;
605 int meet_offset( int offset ) const;
606 int dual_offset( ) const;
607 virtual const Type *xdual() const; // Compute dual right now.
608
609 // meet, dual and join over pointer equivalence sets
610 PTR meet_ptr( const PTR in_ptr ) const { return ptr_meet[in_ptr][ptr()]; }
611 PTR dual_ptr() const { return ptr_dual[ptr()]; }
612
613 // This is textually confusing unless one recalls that
614 // join(t) == dual()->meet(t->dual())->dual().
615 PTR join_ptr( const PTR in_ptr ) const {
616 return ptr_dual[ ptr_meet[ ptr_dual[in_ptr] ] [ dual_ptr() ] ];
617 }
618
619 // Tests for relation to centerline of type lattice:
620 static bool above_centerline(PTR ptr) { return (ptr <= AnyNull); }
621 static bool below_centerline(PTR ptr) { return (ptr >= NotNull); }
622 // Convenience common pre-built types.
623 static const TypePtr *NULL_PTR;
624 static const TypePtr *NOTNULL;
625 static const TypePtr *BOTTOM;
626 #ifndef PRODUCT
627 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
628 #endif
629 };
630
631 //------------------------------TypeRawPtr-------------------------------------
632 // Class of raw pointers, pointers to things other than Oops. Examples
633 // include the stack pointer, top of heap, card-marking area, handles, etc.
634 class TypeRawPtr : public TypePtr {
635 protected:
636 TypeRawPtr( PTR ptr, address bits ) : TypePtr(RawPtr,ptr,0), _bits(bits){}
637 public:
638 virtual bool eq( const Type *t ) const;
639 virtual int hash() const; // Type specific hashing
640
641 const address _bits; // Constant value, if applicable
642
643 static const TypeRawPtr *make( PTR ptr );
644 static const TypeRawPtr *make( address bits );
645
646 // Return a 'ptr' version of this type
647 virtual const Type *cast_to_ptr_type(PTR ptr) const;
648
649 virtual intptr_t get_con() const;
650
651 virtual const TypePtr *add_offset( intptr_t offset ) const;
652
653 virtual const Type *xmeet( const Type *t ) const;
654 virtual const Type *xdual() const; // Compute dual right now.
655 // Convenience common pre-built types.
656 static const TypeRawPtr *BOTTOM;
657 static const TypeRawPtr *NOTNULL;
658 #ifndef PRODUCT
659 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
660 #endif
661 };
662
663 //------------------------------TypeOopPtr-------------------------------------
664 // Some kind of oop (Java pointer), either klass or instance or array.
665 class TypeOopPtr : public TypePtr {
666 protected:
667 TypeOopPtr( TYPES t, PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id );
668 public:
669 virtual bool eq( const Type *t ) const;
670 virtual int hash() const; // Type specific hashing
671 virtual bool singleton(void) const; // TRUE if type is a singleton
672 enum {
673 InstanceTop = -1, // undefined instance
674 InstanceBot = 0 // any possible instance
675 };
676 protected:
677
678 // Oop is NULL, unless this is a constant oop.
679 ciObject* _const_oop; // Constant oop
680 // If _klass is NULL, then so is _sig. This is an unloaded klass.
681 ciKlass* _klass; // Klass object
682 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.)
683 bool _klass_is_exact;
684 bool _is_ptr_to_narrowoop;
685
686 // If not InstanceTop or InstanceBot, indicates that this is
687 // a particular instance of this type which is distinct.
688 // This is the the node index of the allocation node creating this instance.
689 int _instance_id;
690
691 static const TypeOopPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact);
692
693 int dual_instance_id() const;
694 int meet_instance_id(int uid) const;
695
696 public:
697 // Creates a type given a klass. Correctly handles multi-dimensional arrays
698 // Respects UseUniqueSubclasses.
699 // If the klass is final, the resulting type will be exact.
700 static const TypeOopPtr* make_from_klass(ciKlass* klass) {
701 return make_from_klass_common(klass, true, false);
702 }
703 // Same as before, but will produce an exact type, even if
704 // the klass is not final, as long as it has exactly one implementation.
705 static const TypeOopPtr* make_from_klass_unique(ciKlass* klass) {
706 return make_from_klass_common(klass, true, true);
707 }
708 // Same as before, but does not respects UseUniqueSubclasses.
709 // Use this only for creating array element types.
710 static const TypeOopPtr* make_from_klass_raw(ciKlass* klass) {
711 return make_from_klass_common(klass, false, false);
712 }
713 // Creates a singleton type given an object.
714 // If the object cannot be rendered as a constant,
715 // may return a non-singleton type.
716 // If require_constant, produce a NULL if a singleton is not possible.
717 static const TypeOopPtr* make_from_constant(ciObject* o, bool require_constant = false);
718
719 // Make a generic (unclassed) pointer to an oop.
720 static const TypeOopPtr* make(PTR ptr, int offset, int instance_id = InstanceBot);
721
722 ciObject* const_oop() const { return _const_oop; }
723 virtual ciKlass* klass() const { return _klass; }
724 bool klass_is_exact() const { return _klass_is_exact; }
725
726 // Returns true if this pointer points at memory which contains a
727 // compressed oop references.
728 bool is_ptr_to_narrowoop_nv() const { return _is_ptr_to_narrowoop; }
729
730 bool is_known_instance() const { return _instance_id > 0; }
731 int instance_id() const { return _instance_id; }
732 bool is_known_instance_field() const { return is_known_instance() && _offset >= 0; }
733
734 virtual intptr_t get_con() const;
735
736 virtual const Type *cast_to_ptr_type(PTR ptr) const;
737
738 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
739
740 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
741
742 // corresponding pointer to klass, for a given instance
743 const TypeKlassPtr* as_klass_type() const;
744
745 virtual const TypePtr *add_offset( intptr_t offset ) const;
746
747 virtual const Type *xmeet( const Type *t ) const;
748 virtual const Type *xdual() const; // Compute dual right now.
749
750 // Do not allow interface-vs.-noninterface joins to collapse to top.
751 virtual const Type *filter( const Type *kills ) const;
752
753 // Convenience common pre-built type.
754 static const TypeOopPtr *BOTTOM;
755 #ifndef PRODUCT
756 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
757 #endif
758 };
759
760 //------------------------------TypeInstPtr------------------------------------
761 // Class of Java object pointers, pointing either to non-array Java instances
762 // or to a klassOop (including array klasses).
763 class TypeInstPtr : public TypeOopPtr {
764 TypeInstPtr( PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id );
765 virtual bool eq( const Type *t ) const;
766 virtual int hash() const; // Type specific hashing
767
768 ciSymbol* _name; // class name
769
770 public:
771 ciSymbol* name() const { return _name; }
772
773 bool is_loaded() const { return _klass->is_loaded(); }
774
775 // Make a pointer to a constant oop.
776 static const TypeInstPtr *make(ciObject* o) {
777 return make(TypePtr::Constant, o->klass(), true, o, 0);
778 }
779
780 // Make a pointer to a constant oop with offset.
781 static const TypeInstPtr *make(ciObject* o, int offset) {
782 return make(TypePtr::Constant, o->klass(), true, o, offset);
783 }
784
785 // Make a pointer to some value of type klass.
786 static const TypeInstPtr *make(PTR ptr, ciKlass* klass) {
787 return make(ptr, klass, false, NULL, 0);
788 }
789
790 // Make a pointer to some non-polymorphic value of exactly type klass.
791 static const TypeInstPtr *make_exact(PTR ptr, ciKlass* klass) {
792 return make(ptr, klass, true, NULL, 0);
793 }
794
795 // Make a pointer to some value of type klass with offset.
796 static const TypeInstPtr *make(PTR ptr, ciKlass* klass, int offset) {
797 return make(ptr, klass, false, NULL, offset);
798 }
799
800 // Make a pointer to an oop.
801 static const TypeInstPtr *make(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id = InstanceBot );
802
803 // If this is a java.lang.Class constant, return the type for it or NULL.
804 // Pass to Type::get_const_type to turn it to a type, which will usually
805 // be a TypeInstPtr, but may also be a TypeInt::INT for int.class, etc.
806 ciType* java_mirror_type() const;
807
808 virtual const Type *cast_to_ptr_type(PTR ptr) const;
809
810 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
811
812 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
813
814 virtual const TypePtr *add_offset( intptr_t offset ) const;
815
816 virtual const Type *xmeet( const Type *t ) const;
817 virtual const TypeInstPtr *xmeet_unloaded( const TypeInstPtr *t ) const;
818 virtual const Type *xdual() const; // Compute dual right now.
819
820 // Convenience common pre-built types.
821 static const TypeInstPtr *NOTNULL;
822 static const TypeInstPtr *BOTTOM;
823 static const TypeInstPtr *MIRROR;
824 static const TypeInstPtr *MARK;
825 static const TypeInstPtr *KLASS;
826 #ifndef PRODUCT
827 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
828 #endif
829 };
830
831 //------------------------------TypeAryPtr-------------------------------------
832 // Class of Java array pointers
833 class TypeAryPtr : public TypeOopPtr {
834 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) {};
835 virtual bool eq( const Type *t ) const;
836 virtual int hash() const; // Type specific hashing
837 const TypeAry *_ary; // Array we point into
838
839 public:
840 // Accessors
841 ciKlass* klass() const;
842 const TypeAry* ary() const { return _ary; }
843 const Type* elem() const { return _ary->_elem; }
844 const TypeInt* size() const { return _ary->_size; }
845
846 static const TypeAryPtr *make( PTR ptr, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id = InstanceBot);
847 // Constant pointer to array
848 static const TypeAryPtr *make( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id = InstanceBot);
849
850 // Convenience
851 static const TypeAryPtr *make(ciObject* o);
852
853 // Return a 'ptr' version of this type
854 virtual const Type *cast_to_ptr_type(PTR ptr) const;
855
856 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
857
858 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
859
860 virtual const TypeAryPtr* cast_to_size(const TypeInt* size) const;
861 virtual const TypeInt* narrow_size_type(const TypeInt* size) const;
862
863 virtual bool empty(void) const; // TRUE if type is vacuous
864 virtual const TypePtr *add_offset( intptr_t offset ) const;
865
866 virtual const Type *xmeet( const Type *t ) const;
867 virtual const Type *xdual() const; // Compute dual right now.
868
869 // Convenience common pre-built types.
870 static const TypeAryPtr *RANGE;
871 static const TypeAryPtr *OOPS;
872 static const TypeAryPtr *NARROWOOPS;
873 static const TypeAryPtr *BYTES;
874 static const TypeAryPtr *SHORTS;
875 static const TypeAryPtr *CHARS;
876 static const TypeAryPtr *INTS;
877 static const TypeAryPtr *LONGS;
878 static const TypeAryPtr *FLOATS;
879 static const TypeAryPtr *DOUBLES;
880 // selects one of the above:
881 static const TypeAryPtr *get_array_body_type(BasicType elem) {
882 assert((uint)elem <= T_CONFLICT && _array_body_type[elem] != NULL, "bad elem type");
883 return _array_body_type[elem];
884 }
885 static const TypeAryPtr *_array_body_type[T_CONFLICT+1];
886 // sharpen the type of an int which is used as an array size
887 #ifdef ASSERT
888 // One type is interface, the other is oop
889 virtual bool interface_vs_oop(const Type *t) const;
890 #endif
891 #ifndef PRODUCT
892 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
893 #endif
894 };
895
896 //------------------------------TypeKlassPtr-----------------------------------
897 // Class of Java Klass pointers
898 class TypeKlassPtr : public TypeOopPtr {
899 TypeKlassPtr( PTR ptr, ciKlass* klass, int offset );
900
901 virtual bool eq( const Type *t ) const;
902 virtual int hash() const; // Type specific hashing
903
904 public:
905 ciSymbol* name() const { return _klass->name(); }
906
907 bool is_loaded() const { return _klass->is_loaded(); }
908
909 // ptr to klass 'k'
910 static const TypeKlassPtr *make( ciKlass* k ) { return make( TypePtr::Constant, k, 0); }
911 // ptr to klass 'k' with offset
912 static const TypeKlassPtr *make( ciKlass* k, int offset ) { return make( TypePtr::Constant, k, offset); }
913 // ptr to klass 'k' or sub-klass
914 static const TypeKlassPtr *make( PTR ptr, ciKlass* k, int offset);
915
916 virtual const Type *cast_to_ptr_type(PTR ptr) const;
917
918 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
919
920 // corresponding pointer to instance, for a given class
921 const TypeOopPtr* as_instance_type() const;
922
923 virtual const TypePtr *add_offset( intptr_t offset ) const;
924 virtual const Type *xmeet( const Type *t ) const;
925 virtual const Type *xdual() const; // Compute dual right now.
926
927 // Convenience common pre-built types.
928 static const TypeKlassPtr* OBJECT; // Not-null object klass or below
929 static const TypeKlassPtr* OBJECT_OR_NULL; // Maybe-null version of same
930 #ifndef PRODUCT
931 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
932 #endif
933 };
934
935 //------------------------------TypeNarrowOop----------------------------------
936 // A compressed reference to some kind of Oop. This type wraps around
937 // a preexisting TypeOopPtr and forwards most of it's operations to
938 // the underlying type. It's only real purpose is to track the
939 // oopness of the compressed oop value when we expose the conversion
940 // between the normal and the compressed form.
941 class TypeNarrowOop : public Type {
942 protected:
943 const TypePtr* _ptrtype; // Could be TypePtr::NULL_PTR
944
945 TypeNarrowOop( const TypePtr* ptrtype): Type(NarrowOop),
946 _ptrtype(ptrtype) {
947 assert(ptrtype->offset() == 0 ||
948 ptrtype->offset() == OffsetBot ||
949 ptrtype->offset() == OffsetTop, "no real offsets");
950 }
951 public:
952 virtual bool eq( const Type *t ) const;
953 virtual int hash() const; // Type specific hashing
954 virtual bool singleton(void) const; // TRUE if type is a singleton
955
956 virtual const Type *xmeet( const Type *t ) const;
957 virtual const Type *xdual() const; // Compute dual right now.
958
959 virtual intptr_t get_con() const;
960
961 // Do not allow interface-vs.-noninterface joins to collapse to top.
962 virtual const Type *filter( const Type *kills ) const;
963
964 virtual bool empty(void) const; // TRUE if type is vacuous
965
966 static const TypeNarrowOop *make( const TypePtr* type);
967
968 static const TypeNarrowOop* make_from_constant(ciObject* con) {
969 return make(TypeOopPtr::make_from_constant(con));
970 }
971
972 // returns the equivalent ptr type for this compressed pointer
973 const TypePtr *get_ptrtype() const {
974 return _ptrtype;
975 }
976
977 static const TypeNarrowOop *BOTTOM;
978 static const TypeNarrowOop *NULL_PTR;
979
980 #ifndef PRODUCT
981 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
982 #endif
983 };
984
985 //------------------------------TypeFunc---------------------------------------
986 // Class of Array Types
987 class TypeFunc : public Type {
988 TypeFunc( const TypeTuple *domain, const TypeTuple *range ) : Type(Function), _domain(domain), _range(range) {}
989 virtual bool eq( const Type *t ) const;
990 virtual int hash() const; // Type specific hashing
991 virtual bool singleton(void) const; // TRUE if type is a singleton
992 virtual bool empty(void) const; // TRUE if type is vacuous
993 public:
994 // Constants are shared among ADLC and VM
995 enum { Control = AdlcVMDeps::Control,
996 I_O = AdlcVMDeps::I_O,
997 Memory = AdlcVMDeps::Memory,
998 FramePtr = AdlcVMDeps::FramePtr,
999 ReturnAdr = AdlcVMDeps::ReturnAdr,
1000 Parms = AdlcVMDeps::Parms
1001 };
1002
1003 const TypeTuple* const _domain; // Domain of inputs
1004 const TypeTuple* const _range; // Range of results
1005
1006 // Accessors:
1007 const TypeTuple* domain() const { return _domain; }
1008 const TypeTuple* range() const { return _range; }
1009
1010 static const TypeFunc *make(ciMethod* method);
1011 static const TypeFunc *make(ciSignature signature, const Type* extra);
1012 static const TypeFunc *make(const TypeTuple* domain, const TypeTuple* range);
1013
1014 virtual const Type *xmeet( const Type *t ) const;
1015 virtual const Type *xdual() const; // Compute dual right now.
1016
1017 BasicType return_type() const;
1018
1019 #ifndef PRODUCT
1020 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1021 void print_flattened() const; // Print a 'flattened' signature
1022 #endif
1023 // Convenience common pre-built types.
1024 };
1025
1026 //------------------------------accessors--------------------------------------
1027 inline bool Type::is_ptr_to_narrowoop() const {
1028 #ifdef _LP64
1029 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowoop_nv());
1030 #else
1031 return false;
1032 #endif
1033 }
1034
1035 inline float Type::getf() const {
1036 assert( _base == FloatCon, "Not a FloatCon" );
1037 return ((TypeF*)this)->_f;
1038 }
1039
1040 inline double Type::getd() const {
1041 assert( _base == DoubleCon, "Not a DoubleCon" );
1042 return ((TypeD*)this)->_d;
1043 }
1044
1045 inline const TypeF *Type::is_float_constant() const {
1046 assert( _base == FloatCon, "Not a Float" );
1047 return (TypeF*)this;
1048 }
1049
1050 inline const TypeF *Type::isa_float_constant() const {
1051 return ( _base == FloatCon ? (TypeF*)this : NULL);
1052 }
1053
1054 inline const TypeD *Type::is_double_constant() const {
1055 assert( _base == DoubleCon, "Not a Double" );
1056 return (TypeD*)this;
1057 }
1058
1059 inline const TypeD *Type::isa_double_constant() const {
1060 return ( _base == DoubleCon ? (TypeD*)this : NULL);
1061 }
1062
1063 inline const TypeInt *Type::is_int() const {
1064 assert( _base == Int, "Not an Int" );
1065 return (TypeInt*)this;
1066 }
1067
1068 inline const TypeInt *Type::isa_int() const {
1069 return ( _base == Int ? (TypeInt*)this : NULL);
1070 }
1071
1072 inline const TypeLong *Type::is_long() const {
1073 assert( _base == Long, "Not a Long" );
1074 return (TypeLong*)this;
1075 }
1076
1077 inline const TypeLong *Type::isa_long() const {
1078 return ( _base == Long ? (TypeLong*)this : NULL);
1079 }
1080
1081 inline const TypeTuple *Type::is_tuple() const {
1082 assert( _base == Tuple, "Not a Tuple" );
1083 return (TypeTuple*)this;
1084 }
1085
1086 inline const TypeAry *Type::is_ary() const {
1087 assert( _base == Array , "Not an Array" );
1088 return (TypeAry*)this;
1089 }
1090
1091 inline const TypePtr *Type::is_ptr() const {
1092 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
1093 assert(_base >= AnyPtr && _base <= KlassPtr, "Not a pointer");
1094 return (TypePtr*)this;
1095 }
1096
1097 inline const TypePtr *Type::isa_ptr() const {
1098 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
1099 return (_base >= AnyPtr && _base <= KlassPtr) ? (TypePtr*)this : NULL;
1100 }
1101
1102 inline const TypeOopPtr *Type::is_oopptr() const {
1103 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1104 assert(_base >= OopPtr && _base <= KlassPtr, "Not a Java pointer" ) ;
1105 return (TypeOopPtr*)this;
1106 }
1107
1108 inline const TypeOopPtr *Type::isa_oopptr() const {
1109 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1110 return (_base >= OopPtr && _base <= KlassPtr) ? (TypeOopPtr*)this : NULL;
1111 }
1112
1113 inline const TypeRawPtr *Type::isa_rawptr() const {
1114 return (_base == RawPtr) ? (TypeRawPtr*)this : NULL;
1115 }
1116
1117 inline const TypeRawPtr *Type::is_rawptr() const {
1118 assert( _base == RawPtr, "Not a raw pointer" );
1119 return (TypeRawPtr*)this;
1120 }
1121
1122 inline const TypeInstPtr *Type::isa_instptr() const {
1123 return (_base == InstPtr) ? (TypeInstPtr*)this : NULL;
1124 }
1125
1126 inline const TypeInstPtr *Type::is_instptr() const {
1127 assert( _base == InstPtr, "Not an object pointer" );
1128 return (TypeInstPtr*)this;
1129 }
1130
1131 inline const TypeAryPtr *Type::isa_aryptr() const {
1132 return (_base == AryPtr) ? (TypeAryPtr*)this : NULL;
1133 }
1134
1135 inline const TypeAryPtr *Type::is_aryptr() const {
1136 assert( _base == AryPtr, "Not an array pointer" );
1137 return (TypeAryPtr*)this;
1138 }
1139
1140 inline const TypeNarrowOop *Type::is_narrowoop() const {
1141 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1142 assert(_base == NarrowOop, "Not a narrow oop" ) ;
1143 return (TypeNarrowOop*)this;
1144 }
1145
1146 inline const TypeNarrowOop *Type::isa_narrowoop() const {
1147 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1148 return (_base == NarrowOop) ? (TypeNarrowOop*)this : NULL;
1149 }
1150
1151 inline const TypeKlassPtr *Type::isa_klassptr() const {
1152 return (_base == KlassPtr) ? (TypeKlassPtr*)this : NULL;
1153 }
1154
1155 inline const TypeKlassPtr *Type::is_klassptr() const {
1156 assert( _base == KlassPtr, "Not a klass pointer" );
1157 return (TypeKlassPtr*)this;
1158 }
1159
1160 inline const TypePtr* Type::make_ptr() const {
1161 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype() :
1162 (isa_ptr() ? is_ptr() : NULL);
1163 }
1164
1165 inline const TypeOopPtr* Type::make_oopptr() const {
1166 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype()->is_oopptr() : is_oopptr();
1167 }
1168
1169 inline const TypeNarrowOop* Type::make_narrowoop() const {
1170 return (_base == NarrowOop) ? is_narrowoop() :
1171 (isa_ptr() ? TypeNarrowOop::make(is_ptr()) : NULL);
1172 }
1173
1174 inline bool Type::is_floatingpoint() const {
1175 if( (_base == FloatCon) || (_base == FloatBot) ||
1176 (_base == DoubleCon) || (_base == DoubleBot) )
1177 return true;
1178 return false;
1179 }
1180
1181
1182 // ===============================================================
1183 // Things that need to be 64-bits in the 64-bit build but
1184 // 32-bits in the 32-bit build. Done this way to get full
1185 // optimization AND strong typing.
1186 #ifdef _LP64
1187
1188 // For type queries and asserts
1189 #define is_intptr_t is_long
1190 #define isa_intptr_t isa_long
1191 #define find_intptr_t_type find_long_type
1192 #define find_intptr_t_con find_long_con
1193 #define TypeX TypeLong
1194 #define Type_X Type::Long
1195 #define TypeX_X TypeLong::LONG
1196 #define TypeX_ZERO TypeLong::ZERO
1197 // For 'ideal_reg' machine registers
1198 #define Op_RegX Op_RegL
1199 // For phase->intcon variants
1200 #define MakeConX longcon
1201 #define ConXNode ConLNode
1202 // For array index arithmetic
1203 #define MulXNode MulLNode
1204 #define AndXNode AndLNode
1205 #define OrXNode OrLNode
1206 #define CmpXNode CmpLNode
1207 #define SubXNode SubLNode
1208 #define LShiftXNode LShiftLNode
1209 // For object size computation:
1210 #define AddXNode AddLNode
1211 #define RShiftXNode RShiftLNode
1212 // For card marks and hashcodes
1213 #define URShiftXNode URShiftLNode
1214 // UseOptoBiasInlining
1215 #define XorXNode XorLNode
1216 #define StoreXConditionalNode StoreLConditionalNode
1217 // Opcodes
1218 #define Op_LShiftX Op_LShiftL
1219 #define Op_AndX Op_AndL
1220 #define Op_AddX Op_AddL
1221 #define Op_SubX Op_SubL
1222 #define Op_XorX Op_XorL
1223 #define Op_URShiftX Op_URShiftL
1224 // conversions
1225 #define ConvI2X(x) ConvI2L(x)
1226 #define ConvL2X(x) (x)
1227 #define ConvX2I(x) ConvL2I(x)
1228 #define ConvX2L(x) (x)
1229
1230 #else
1231
1232 // For type queries and asserts
1233 #define is_intptr_t is_int
1234 #define isa_intptr_t isa_int
1235 #define find_intptr_t_type find_int_type
1236 #define find_intptr_t_con find_int_con
1237 #define TypeX TypeInt
1238 #define Type_X Type::Int
1239 #define TypeX_X TypeInt::INT
1240 #define TypeX_ZERO TypeInt::ZERO
1241 // For 'ideal_reg' machine registers
1242 #define Op_RegX Op_RegI
1243 // For phase->intcon variants
1244 #define MakeConX intcon
1245 #define ConXNode ConINode
1246 // For array index arithmetic
1247 #define MulXNode MulINode
1248 #define AndXNode AndINode
1249 #define OrXNode OrINode
1250 #define CmpXNode CmpINode
1251 #define SubXNode SubINode
1252 #define LShiftXNode LShiftINode
1253 // For object size computation:
1254 #define AddXNode AddINode
1255 #define RShiftXNode RShiftINode
1256 // For card marks and hashcodes
1257 #define URShiftXNode URShiftINode
1258 // UseOptoBiasInlining
1259 #define XorXNode XorINode
1260 #define StoreXConditionalNode StoreIConditionalNode
1261 // Opcodes
1262 #define Op_LShiftX Op_LShiftI
1263 #define Op_AndX Op_AndI
1264 #define Op_AddX Op_AddI
1265 #define Op_SubX Op_SubI
1266 #define Op_XorX Op_XorI
1267 #define Op_URShiftX Op_URShiftI
1268 // conversions
1269 #define ConvI2X(x) (x)
1270 #define ConvL2X(x) ConvL2I(x)
1271 #define ConvX2I(x) (x)
1272 #define ConvX2L(x) ConvI2L(x)
1273
1274 #endif