1 /*
2 * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
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23 */
24
25 #ifndef SHARE_VM_OPTO_TYPE_HPP
26 #define SHARE_VM_OPTO_TYPE_HPP
27
28 #include "opto/adlcVMDeps.hpp"
29 #include "runtime/handles.hpp"
30
31 // Portions of code courtesy of Clifford Click
32
33 // Optimization - Graph Style
34
35
36 // This class defines a Type lattice. The lattice is used in the constant
37 // propagation algorithms, and for some type-checking of the iloc code.
38 // Basic types include RSD's (lower bound, upper bound, stride for integers),
39 // float & double precision constants, sets of data-labels and code-labels.
40 // The complete lattice is described below. Subtypes have no relationship to
41 // up or down in the lattice; that is entirely determined by the behavior of
42 // the MEET/JOIN functions.
43
44 class Dict;
45 class Type;
46 class TypeD;
47 class TypeF;
48 class TypeInt;
49 class TypeLong;
50 class TypeNarrowPtr;
51 class TypeNarrowOop;
52 class TypeNarrowKlass;
53 class TypeAry;
54 class TypeTuple;
55 class TypeVect;
56 class TypeVectS;
57 class TypeVectD;
58 class TypeVectX;
59 class TypeVectY;
60 class TypeVectZ;
61 class TypePtr;
62 class TypeRawPtr;
63 class TypeOopPtr;
64 class TypeInstPtr;
65 class TypeAryPtr;
66 class TypeKlassPtr;
67 class TypeMetadataPtr;
68
69 //------------------------------Type-------------------------------------------
70 // Basic Type object, represents a set of primitive Values.
71 // Types are hash-cons'd into a private class dictionary, so only one of each
72 // different kind of Type exists. Types are never modified after creation, so
73 // all their interesting fields are constant.
74 class Type {
75 friend class VMStructs;
76
77 public:
78 enum TYPES {
79 Bad=0, // Type check
80 Control, // Control of code (not in lattice)
81 Top, // Top of the lattice
82 Int, // Integer range (lo-hi)
83 Long, // Long integer range (lo-hi)
84 Half, // Placeholder half of doubleword
85 NarrowOop, // Compressed oop pointer
86 NarrowKlass, // Compressed klass pointer
87
88 Tuple, // Method signature or object layout
89 Array, // Array types
90 VectorS, // 32bit Vector types
91 VectorD, // 64bit Vector types
92 VectorX, // 128bit Vector types
93 VectorY, // 256bit Vector types
94 VectorZ, // 512bit Vector types
95
96 AnyPtr, // Any old raw, klass, inst, or array pointer
97 RawPtr, // Raw (non-oop) pointers
98 OopPtr, // Any and all Java heap entities
99 InstPtr, // Instance pointers (non-array objects)
100 AryPtr, // Array pointers
101 // (Ptr order matters: See is_ptr, isa_ptr, is_oopptr, isa_oopptr.)
102
103 MetadataPtr, // Generic metadata
104 KlassPtr, // Klass pointers
105
106 Function, // Function signature
107 Abio, // Abstract I/O
108 Return_Address, // Subroutine return address
109 Memory, // Abstract store
110 FloatTop, // No float value
111 FloatCon, // Floating point constant
112 FloatBot, // Any float value
113 DoubleTop, // No double value
114 DoubleCon, // Double precision constant
115 DoubleBot, // Any double value
116 Bottom, // Bottom of lattice
117 lastype // Bogus ending type (not in lattice)
118 };
119
120 // Signal values for offsets from a base pointer
121 enum OFFSET_SIGNALS {
122 OffsetTop = -2000000000, // undefined offset
123 OffsetBot = -2000000001 // any possible offset
124 };
125
126 // Min and max WIDEN values.
127 enum WIDEN {
128 WidenMin = 0,
129 WidenMax = 3
130 };
131
132 private:
133 typedef struct {
134 TYPES dual_type;
135 BasicType basic_type;
136 const char* msg;
137 bool isa_oop;
138 uint ideal_reg;
139 relocInfo::relocType reloc;
140 } TypeInfo;
141
142 // Dictionary of types shared among compilations.
143 static Dict* _shared_type_dict;
144 static const TypeInfo _type_info[];
145
146 static int uhash( const Type *const t );
147 // Structural equality check. Assumes that cmp() has already compared
148 // the _base types and thus knows it can cast 't' appropriately.
149 virtual bool eq( const Type *t ) const;
150
151 // Top-level hash-table of types
152 static Dict *type_dict() {
153 return Compile::current()->type_dict();
154 }
155
156 // DUAL operation: reflect around lattice centerline. Used instead of
157 // join to ensure my lattice is symmetric up and down. Dual is computed
158 // lazily, on demand, and cached in _dual.
159 const Type *_dual; // Cached dual value
160 // Table for efficient dualing of base types
161 static const TYPES dual_type[lastype];
162
163 #ifdef ASSERT
164 // One type is interface, the other is oop
165 virtual bool interface_vs_oop_helper(const Type *t) const;
166 #endif
167
168 const Type *meet_helper(const Type *t, bool include_speculative) const;
169
170 protected:
171 // Each class of type is also identified by its base.
172 const TYPES _base; // Enum of Types type
173
174 Type( TYPES t ) : _dual(NULL), _base(t) {} // Simple types
175 // ~Type(); // Use fast deallocation
176 const Type *hashcons(); // Hash-cons the type
177 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
178 const Type *join_helper(const Type *t, bool include_speculative) const {
179 return dual()->meet_helper(t->dual(), include_speculative)->dual();
180 }
181
182 public:
183
184 inline void* operator new( size_t x ) throw() {
185 Compile* compile = Compile::current();
186 compile->set_type_last_size(x);
187 void *temp = compile->type_arena()->Amalloc_D(x);
188 compile->set_type_hwm(temp);
189 return temp;
190 }
191 inline void operator delete( void* ptr ) {
192 Compile* compile = Compile::current();
193 compile->type_arena()->Afree(ptr,compile->type_last_size());
194 }
195
196 // Initialize the type system for a particular compilation.
197 static void Initialize(Compile* compile);
198
199 // Initialize the types shared by all compilations.
200 static void Initialize_shared(Compile* compile);
201
202 TYPES base() const {
203 assert(_base > Bad && _base < lastype, "sanity");
204 return _base;
205 }
206
207 // Create a new hash-consd type
208 static const Type *make(enum TYPES);
209 // Test for equivalence of types
210 static int cmp( const Type *const t1, const Type *const t2 );
211 // Test for higher or equal in lattice
212 // Variant that drops the speculative part of the types
213 bool higher_equal(const Type *t) const {
214 return !cmp(meet(t),t->remove_speculative());
215 }
216 // Variant that keeps the speculative part of the types
217 bool higher_equal_speculative(const Type *t) const {
218 return !cmp(meet_speculative(t),t);
219 }
220
221 // MEET operation; lower in lattice.
222 // Variant that drops the speculative part of the types
223 const Type *meet(const Type *t) const {
224 return meet_helper(t, false);
225 }
226 // Variant that keeps the speculative part of the types
227 const Type *meet_speculative(const Type *t) const {
228 return meet_helper(t, true)->cleanup_speculative();
229 }
230 // WIDEN: 'widens' for Ints and other range types
231 virtual const Type *widen( const Type *old, const Type* limit ) const { return this; }
232 // NARROW: complement for widen, used by pessimistic phases
233 virtual const Type *narrow( const Type *old ) const { return this; }
234
235 // DUAL operation: reflect around lattice centerline. Used instead of
236 // join to ensure my lattice is symmetric up and down.
237 const Type *dual() const { return _dual; }
238
239 // Compute meet dependent on base type
240 virtual const Type *xmeet( const Type *t ) const;
241 virtual const Type *xdual() const; // Compute dual right now.
242
243 // JOIN operation; higher in lattice. Done by finding the dual of the
244 // meet of the dual of the 2 inputs.
245 // Variant that drops the speculative part of the types
246 const Type *join(const Type *t) const {
247 return join_helper(t, false);
248 }
249 // Variant that keeps the speculative part of the types
250 const Type *join_speculative(const Type *t) const {
251 return join_helper(t, true)->cleanup_speculative();
252 }
253
254 // Modified version of JOIN adapted to the needs Node::Value.
255 // Normalizes all empty values to TOP. Does not kill _widen bits.
256 // Currently, it also works around limitations involving interface types.
257 // Variant that drops the speculative part of the types
258 const Type *filter(const Type *kills) const {
259 return filter_helper(kills, false);
260 }
261 // Variant that keeps the speculative part of the types
262 const Type *filter_speculative(const Type *kills) const {
263 return filter_helper(kills, true)->cleanup_speculative();
264 }
265
266 #ifdef ASSERT
267 // One type is interface, the other is oop
268 virtual bool interface_vs_oop(const Type *t) const;
269 #endif
270
271 // Returns true if this pointer points at memory which contains a
272 // compressed oop references.
273 bool is_ptr_to_narrowoop() const;
274 bool is_ptr_to_narrowklass() const;
275
276 bool is_ptr_to_boxing_obj() const;
277
278
279 // Convenience access
280 float getf() const;
281 double getd() const;
282
283 const TypeInt *is_int() const;
284 const TypeInt *isa_int() const; // Returns NULL if not an Int
285 const TypeLong *is_long() const;
286 const TypeLong *isa_long() const; // Returns NULL if not a Long
287 const TypeD *isa_double() const; // Returns NULL if not a Double{Top,Con,Bot}
288 const TypeD *is_double_constant() const; // Asserts it is a DoubleCon
289 const TypeD *isa_double_constant() const; // Returns NULL if not a DoubleCon
290 const TypeF *isa_float() const; // Returns NULL if not a Float{Top,Con,Bot}
291 const TypeF *is_float_constant() const; // Asserts it is a FloatCon
292 const TypeF *isa_float_constant() const; // Returns NULL if not a FloatCon
293 const TypeTuple *is_tuple() const; // Collection of fields, NOT a pointer
294 const TypeAry *is_ary() const; // Array, NOT array pointer
295 const TypeVect *is_vect() const; // Vector
296 const TypeVect *isa_vect() const; // Returns NULL if not a Vector
297 const TypePtr *is_ptr() const; // Asserts it is a ptr type
298 const TypePtr *isa_ptr() const; // Returns NULL if not ptr type
299 const TypeRawPtr *isa_rawptr() const; // NOT Java oop
300 const TypeRawPtr *is_rawptr() const; // Asserts is rawptr
301 const TypeNarrowOop *is_narrowoop() const; // Java-style GC'd pointer
302 const TypeNarrowOop *isa_narrowoop() const; // Returns NULL if not oop ptr type
303 const TypeNarrowKlass *is_narrowklass() const; // compressed klass pointer
304 const TypeNarrowKlass *isa_narrowklass() const;// Returns NULL if not oop ptr type
305 const TypeOopPtr *isa_oopptr() const; // Returns NULL if not oop ptr type
306 const TypeOopPtr *is_oopptr() const; // Java-style GC'd pointer
307 const TypeInstPtr *isa_instptr() const; // Returns NULL if not InstPtr
308 const TypeInstPtr *is_instptr() const; // Instance
309 const TypeAryPtr *isa_aryptr() const; // Returns NULL if not AryPtr
310 const TypeAryPtr *is_aryptr() const; // Array oop
311
312 const TypeMetadataPtr *isa_metadataptr() const; // Returns NULL if not oop ptr type
313 const TypeMetadataPtr *is_metadataptr() const; // Java-style GC'd pointer
314 const TypeKlassPtr *isa_klassptr() const; // Returns NULL if not KlassPtr
315 const TypeKlassPtr *is_klassptr() const; // assert if not KlassPtr
316
317 virtual bool is_finite() const; // Has a finite value
318 virtual bool is_nan() const; // Is not a number (NaN)
319
320 // Returns this ptr type or the equivalent ptr type for this compressed pointer.
321 const TypePtr* make_ptr() const;
322
323 // Returns this oopptr type or the equivalent oopptr type for this compressed pointer.
324 // Asserts if the underlying type is not an oopptr or narrowoop.
325 const TypeOopPtr* make_oopptr() const;
326
327 // Returns this compressed pointer or the equivalent compressed version
328 // of this pointer type.
329 const TypeNarrowOop* make_narrowoop() const;
330
331 // Returns this compressed klass pointer or the equivalent
332 // compressed version of this pointer type.
333 const TypeNarrowKlass* make_narrowklass() const;
334
335 // Special test for register pressure heuristic
336 bool is_floatingpoint() const; // True if Float or Double base type
337
338 // Do you have memory, directly or through a tuple?
339 bool has_memory( ) const;
340
341 // TRUE if type is a singleton
342 virtual bool singleton(void) const;
343
344 // TRUE if type is above the lattice centerline, and is therefore vacuous
345 virtual bool empty(void) const;
346
347 // Return a hash for this type. The hash function is public so ConNode
348 // (constants) can hash on their constant, which is represented by a Type.
349 virtual int hash() const;
350
351 // Map ideal registers (machine types) to ideal types
352 static const Type *mreg2type[];
353
354 // Printing, statistics
355 #ifndef PRODUCT
356 void dump_on(outputStream *st) const;
357 void dump() const {
358 dump_on(tty);
359 }
360 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
361 static void dump_stats();
362
363 static const char* str(const Type* t);
364 #endif
365 void typerr(const Type *t) const; // Mixing types error
366
367 // Create basic type
368 static const Type* get_const_basic_type(BasicType type) {
369 assert((uint)type <= T_CONFLICT && _const_basic_type[type] != NULL, "bad type");
370 return _const_basic_type[type];
371 }
372
373 // For two instance arrays of same dimension, return the base element types.
374 // Otherwise or if the arrays have different dimensions, return NULL.
375 static void get_arrays_base_elements(const Type *a1, const Type *a2,
376 const TypeInstPtr **e1, const TypeInstPtr **e2);
377
378 // Mapping to the array element's basic type.
379 BasicType array_element_basic_type() const;
380
381 // Create standard type for a ciType:
382 static const Type* get_const_type(ciType* type);
383
384 // Create standard zero value:
385 static const Type* get_zero_type(BasicType type) {
386 assert((uint)type <= T_CONFLICT && _zero_type[type] != NULL, "bad type");
387 return _zero_type[type];
388 }
389
390 // Report if this is a zero value (not top).
391 bool is_zero_type() const {
392 BasicType type = basic_type();
393 if (type == T_VOID || type >= T_CONFLICT)
394 return false;
395 else
396 return (this == _zero_type[type]);
397 }
398
399 // Convenience common pre-built types.
400 static const Type *ABIO;
401 static const Type *BOTTOM;
402 static const Type *CONTROL;
403 static const Type *DOUBLE;
404 static const Type *FLOAT;
405 static const Type *HALF;
406 static const Type *MEMORY;
407 static const Type *MULTI;
408 static const Type *RETURN_ADDRESS;
409 static const Type *TOP;
410
411 // Mapping from compiler type to VM BasicType
412 BasicType basic_type() const { return _type_info[_base].basic_type; }
413 uint ideal_reg() const { return _type_info[_base].ideal_reg; }
414 const char* msg() const { return _type_info[_base].msg; }
415 bool isa_oop_ptr() const { return _type_info[_base].isa_oop; }
416 relocInfo::relocType reloc() const { return _type_info[_base].reloc; }
417
418 // Mapping from CI type system to compiler type:
419 static const Type* get_typeflow_type(ciType* type);
420
421 static const Type* make_from_constant(ciConstant constant,
422 bool require_constant = false,
423 int stable_dimension = 0,
424 bool is_narrow = false,
425 bool is_autobox_cache = false);
426
427 static const Type* make_constant_from_field(ciInstance* holder,
428 int off,
429 bool is_unsigned_load,
430 BasicType loadbt);
431
432 static const Type* make_constant_from_field(ciField* field,
433 ciInstance* holder,
434 BasicType loadbt,
435 bool is_unsigned_load);
436
437 static const Type* make_constant_from_array_element(ciArray* array,
438 int off,
439 int stable_dimension,
440 BasicType loadbt,
441 bool is_unsigned_load);
442
443 // Speculative type helper methods. See TypePtr.
444 virtual const TypePtr* speculative() const { return NULL; }
445 virtual ciKlass* speculative_type() const { return NULL; }
446 virtual ciKlass* speculative_type_not_null() const { return NULL; }
447 virtual bool speculative_maybe_null() const { return true; }
448 virtual bool speculative_always_null() const { return true; }
449 virtual const Type* remove_speculative() const { return this; }
450 virtual const Type* cleanup_speculative() const { return this; }
451 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const { return exact_kls != NULL; }
452 virtual bool would_improve_ptr(ProfilePtrKind ptr_kind) const { return ptr_kind == ProfileAlwaysNull || ptr_kind == ProfileNeverNull; }
453 const Type* maybe_remove_speculative(bool include_speculative) const;
454
455 virtual bool maybe_null() const { return true; }
456
457 private:
458 // support arrays
459 static const BasicType _basic_type[];
460 static const Type* _zero_type[T_CONFLICT+1];
461 static const Type* _const_basic_type[T_CONFLICT+1];
462 };
463
464 //------------------------------TypeF------------------------------------------
465 // Class of Float-Constant Types.
466 class TypeF : public Type {
467 TypeF( float f ) : Type(FloatCon), _f(f) {};
468 public:
469 virtual bool eq( const Type *t ) const;
470 virtual int hash() const; // Type specific hashing
471 virtual bool singleton(void) const; // TRUE if type is a singleton
472 virtual bool empty(void) const; // TRUE if type is vacuous
473 public:
474 const float _f; // Float constant
475
476 static const TypeF *make(float f);
477
478 virtual bool is_finite() const; // Has a finite value
479 virtual bool is_nan() const; // Is not a number (NaN)
480
481 virtual const Type *xmeet( const Type *t ) const;
482 virtual const Type *xdual() const; // Compute dual right now.
483 // Convenience common pre-built types.
484 static const TypeF *ZERO; // positive zero only
485 static const TypeF *ONE;
486 #ifndef PRODUCT
487 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
488 #endif
489 };
490
491 //------------------------------TypeD------------------------------------------
492 // Class of Double-Constant Types.
493 class TypeD : public Type {
494 TypeD( double d ) : Type(DoubleCon), _d(d) {};
495 public:
496 virtual bool eq( const Type *t ) const;
497 virtual int hash() const; // Type specific hashing
498 virtual bool singleton(void) const; // TRUE if type is a singleton
499 virtual bool empty(void) const; // TRUE if type is vacuous
500 public:
501 const double _d; // Double constant
502
503 static const TypeD *make(double d);
504
505 virtual bool is_finite() const; // Has a finite value
506 virtual bool is_nan() const; // Is not a number (NaN)
507
508 virtual const Type *xmeet( const Type *t ) const;
509 virtual const Type *xdual() const; // Compute dual right now.
510 // Convenience common pre-built types.
511 static const TypeD *ZERO; // positive zero only
512 static const TypeD *ONE;
513 #ifndef PRODUCT
514 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
515 #endif
516 };
517
518 //------------------------------TypeInt----------------------------------------
519 // Class of integer ranges, the set of integers between a lower bound and an
520 // upper bound, inclusive.
521 class TypeInt : public Type {
522 TypeInt( jint lo, jint hi, int w );
523 protected:
524 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
525
526 public:
527 typedef jint NativeType;
528 virtual bool eq( const Type *t ) const;
529 virtual int hash() const; // Type specific hashing
530 virtual bool singleton(void) const; // TRUE if type is a singleton
531 virtual bool empty(void) const; // TRUE if type is vacuous
532 const jint _lo, _hi; // Lower bound, upper bound
533 const short _widen; // Limit on times we widen this sucker
534
535 static const TypeInt *make(jint lo);
536 // must always specify w
537 static const TypeInt *make(jint lo, jint hi, int w);
538
539 // Check for single integer
540 int is_con() const { return _lo==_hi; }
541 bool is_con(int i) const { return is_con() && _lo == i; }
542 jint get_con() const { assert( is_con(), "" ); return _lo; }
543
544 virtual bool is_finite() const; // Has a finite value
545
546 virtual const Type *xmeet( const Type *t ) const;
547 virtual const Type *xdual() const; // Compute dual right now.
548 virtual const Type *widen( const Type *t, const Type* limit_type ) const;
549 virtual const Type *narrow( const Type *t ) const;
550 // Do not kill _widen bits.
551 // Convenience common pre-built types.
552 static const TypeInt *MINUS_1;
553 static const TypeInt *ZERO;
554 static const TypeInt *ONE;
555 static const TypeInt *BOOL;
556 static const TypeInt *CC;
557 static const TypeInt *CC_LT; // [-1] == MINUS_1
558 static const TypeInt *CC_GT; // [1] == ONE
559 static const TypeInt *CC_EQ; // [0] == ZERO
560 static const TypeInt *CC_LE; // [-1,0]
561 static const TypeInt *CC_GE; // [0,1] == BOOL (!)
562 static const TypeInt *BYTE;
563 static const TypeInt *UBYTE;
564 static const TypeInt *CHAR;
565 static const TypeInt *SHORT;
566 static const TypeInt *POS;
567 static const TypeInt *POS1;
568 static const TypeInt *INT;
569 static const TypeInt *SYMINT; // symmetric range [-max_jint..max_jint]
570 static const TypeInt *TYPE_DOMAIN; // alias for TypeInt::INT
571
572 static const TypeInt *as_self(const Type *t) { return t->is_int(); }
573 #ifndef PRODUCT
574 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
575 #endif
576 };
577
578
579 //------------------------------TypeLong---------------------------------------
580 // Class of long integer ranges, the set of integers between a lower bound and
581 // an upper bound, inclusive.
582 class TypeLong : public Type {
583 TypeLong( jlong lo, jlong hi, int w );
584 protected:
585 // Do not kill _widen bits.
586 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
587 public:
588 typedef jlong NativeType;
589 virtual bool eq( const Type *t ) const;
590 virtual int hash() const; // Type specific hashing
591 virtual bool singleton(void) const; // TRUE if type is a singleton
592 virtual bool empty(void) const; // TRUE if type is vacuous
593 public:
594 const jlong _lo, _hi; // Lower bound, upper bound
595 const short _widen; // Limit on times we widen this sucker
596
597 static const TypeLong *make(jlong lo);
598 // must always specify w
599 static const TypeLong *make(jlong lo, jlong hi, int w);
600
601 // Check for single integer
602 int is_con() const { return _lo==_hi; }
603 bool is_con(int i) const { return is_con() && _lo == i; }
604 jlong get_con() const { assert( is_con(), "" ); return _lo; }
605
606 // Check for positive 32-bit value.
607 int is_positive_int() const { return _lo >= 0 && _hi <= (jlong)max_jint; }
608
609 virtual bool is_finite() const; // Has a finite value
610
611
612 virtual const Type *xmeet( const Type *t ) const;
613 virtual const Type *xdual() const; // Compute dual right now.
614 virtual const Type *widen( const Type *t, const Type* limit_type ) const;
615 virtual const Type *narrow( const Type *t ) const;
616 // Convenience common pre-built types.
617 static const TypeLong *MINUS_1;
618 static const TypeLong *ZERO;
619 static const TypeLong *ONE;
620 static const TypeLong *POS;
621 static const TypeLong *LONG;
622 static const TypeLong *INT; // 32-bit subrange [min_jint..max_jint]
623 static const TypeLong *UINT; // 32-bit unsigned [0..max_juint]
624 static const TypeLong *TYPE_DOMAIN; // alias for TypeLong::LONG
625
626 // static convenience methods.
627 static const TypeLong *as_self(const Type *t) { return t->is_long(); }
628
629 #ifndef PRODUCT
630 virtual void dump2( Dict &d, uint, outputStream *st ) const;// Specialized per-Type dumping
631 #endif
632 };
633
634 //------------------------------TypeTuple--------------------------------------
635 // Class of Tuple Types, essentially type collections for function signatures
636 // and class layouts. It happens to also be a fast cache for the HotSpot
637 // signature types.
638 class TypeTuple : public Type {
639 TypeTuple( uint cnt, const Type **fields ) : Type(Tuple), _cnt(cnt), _fields(fields) { }
640
641 const uint _cnt; // Count of fields
642 const Type ** const _fields; // Array of field types
643
644 public:
645 virtual bool eq( const Type *t ) const;
646 virtual int hash() const; // Type specific hashing
647 virtual bool singleton(void) const; // TRUE if type is a singleton
648 virtual bool empty(void) const; // TRUE if type is vacuous
649
650 // Accessors:
651 uint cnt() const { return _cnt; }
652 const Type* field_at(uint i) const {
653 assert(i < _cnt, "oob");
654 return _fields[i];
655 }
656 void set_field_at(uint i, const Type* t) {
657 assert(i < _cnt, "oob");
658 _fields[i] = t;
659 }
660
661 static const TypeTuple *make( uint cnt, const Type **fields );
662 static const TypeTuple *make_range(ciSignature *sig);
663 static const TypeTuple *make_domain(ciInstanceKlass* recv, ciSignature *sig);
664
665 // Subroutine call type with space allocated for argument types
666 // Memory for Control, I_O, Memory, FramePtr, and ReturnAdr is allocated implicitly
667 static const Type **fields( uint arg_cnt );
668
669 virtual const Type *xmeet( const Type *t ) const;
670 virtual const Type *xdual() const; // Compute dual right now.
671 // Convenience common pre-built types.
672 static const TypeTuple *IFBOTH;
673 static const TypeTuple *IFFALSE;
674 static const TypeTuple *IFTRUE;
675 static const TypeTuple *IFNEITHER;
676 static const TypeTuple *LOOPBODY;
677 static const TypeTuple *MEMBAR;
678 static const TypeTuple *STORECONDITIONAL;
679 static const TypeTuple *START_I2C;
680 static const TypeTuple *INT_PAIR;
681 static const TypeTuple *LONG_PAIR;
682 static const TypeTuple *INT_CC_PAIR;
683 static const TypeTuple *LONG_CC_PAIR;
684 #ifndef PRODUCT
685 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping
686 #endif
687 };
688
689 //------------------------------TypeAry----------------------------------------
690 // Class of Array Types
691 class TypeAry : public Type {
692 TypeAry(const Type* elem, const TypeInt* size, bool stable) : Type(Array),
693 _elem(elem), _size(size), _stable(stable) {}
694 public:
695 virtual bool eq( const Type *t ) const;
696 virtual int hash() const; // Type specific hashing
697 virtual bool singleton(void) const; // TRUE if type is a singleton
698 virtual bool empty(void) const; // TRUE if type is vacuous
699
700 private:
701 const Type *_elem; // Element type of array
702 const TypeInt *_size; // Elements in array
703 const bool _stable; // Are elements @Stable?
704 friend class TypeAryPtr;
705
706 public:
707 static const TypeAry* make(const Type* elem, const TypeInt* size, bool stable = false);
708
709 virtual const Type *xmeet( const Type *t ) const;
710 virtual const Type *xdual() const; // Compute dual right now.
711 bool ary_must_be_exact() const; // true if arrays of such are never generic
712 virtual const Type* remove_speculative() const;
713 virtual const Type* cleanup_speculative() const;
714 #ifdef ASSERT
715 // One type is interface, the other is oop
716 virtual bool interface_vs_oop(const Type *t) const;
717 #endif
718 #ifndef PRODUCT
719 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping
720 #endif
721 };
722
723 //------------------------------TypeVect---------------------------------------
724 // Class of Vector Types
725 class TypeVect : public Type {
726 const Type* _elem; // Vector's element type
727 const uint _length; // Elements in vector (power of 2)
728
729 protected:
730 TypeVect(TYPES t, const Type* elem, uint length) : Type(t),
731 _elem(elem), _length(length) {}
732
733 public:
734 const Type* element_type() const { return _elem; }
735 BasicType element_basic_type() const { return _elem->array_element_basic_type(); }
736 uint length() const { return _length; }
737 uint length_in_bytes() const {
738 return _length * type2aelembytes(element_basic_type());
739 }
740
741 virtual bool eq(const Type *t) const;
742 virtual int hash() const; // Type specific hashing
743 virtual bool singleton(void) const; // TRUE if type is a singleton
744 virtual bool empty(void) const; // TRUE if type is vacuous
745
746 static const TypeVect *make(const BasicType elem_bt, uint length) {
747 // Use bottom primitive type.
748 return make(get_const_basic_type(elem_bt), length);
749 }
750 // Used directly by Replicate nodes to construct singleton vector.
751 static const TypeVect *make(const Type* elem, uint length);
752
753 virtual const Type *xmeet( const Type *t) const;
754 virtual const Type *xdual() const; // Compute dual right now.
755
756 static const TypeVect *VECTS;
757 static const TypeVect *VECTD;
758 static const TypeVect *VECTX;
759 static const TypeVect *VECTY;
760 static const TypeVect *VECTZ;
761
762 #ifndef PRODUCT
763 virtual void dump2(Dict &d, uint, outputStream *st) const; // Specialized per-Type dumping
764 #endif
765 };
766
767 class TypeVectS : public TypeVect {
768 friend class TypeVect;
769 TypeVectS(const Type* elem, uint length) : TypeVect(VectorS, elem, length) {}
770 };
771
772 class TypeVectD : public TypeVect {
773 friend class TypeVect;
774 TypeVectD(const Type* elem, uint length) : TypeVect(VectorD, elem, length) {}
775 };
776
777 class TypeVectX : public TypeVect {
778 friend class TypeVect;
779 TypeVectX(const Type* elem, uint length) : TypeVect(VectorX, elem, length) {}
780 };
781
782 class TypeVectY : public TypeVect {
783 friend class TypeVect;
784 TypeVectY(const Type* elem, uint length) : TypeVect(VectorY, elem, length) {}
785 };
786
787 class TypeVectZ : public TypeVect {
788 friend class TypeVect;
789 TypeVectZ(const Type* elem, uint length) : TypeVect(VectorZ, elem, length) {}
790 };
791
792 //------------------------------TypePtr----------------------------------------
793 // Class of machine Pointer Types: raw data, instances or arrays.
794 // If the _base enum is AnyPtr, then this refers to all of the above.
795 // Otherwise the _base will indicate which subset of pointers is affected,
796 // and the class will be inherited from.
797 class TypePtr : public Type {
798 friend class TypeNarrowPtr;
799 public:
800 enum PTR { TopPTR, AnyNull, Constant, Null, NotNull, BotPTR, lastPTR };
801 protected:
802 TypePtr(TYPES t, PTR ptr, int offset,
803 const TypePtr* speculative = NULL,
804 int inline_depth = InlineDepthBottom) :
805 Type(t), _ptr(ptr), _offset(offset), _speculative(speculative),
806 _inline_depth(inline_depth) {}
807 static const PTR ptr_meet[lastPTR][lastPTR];
808 static const PTR ptr_dual[lastPTR];
809 static const char * const ptr_msg[lastPTR];
810
811 enum {
812 InlineDepthBottom = INT_MAX,
813 InlineDepthTop = -InlineDepthBottom
814 };
815
816 // Extra type information profiling gave us. We propagate it the
817 // same way the rest of the type info is propagated. If we want to
818 // use it, then we have to emit a guard: this part of the type is
819 // not something we know but something we speculate about the type.
820 const TypePtr* _speculative;
821 // For speculative types, we record at what inlining depth the
822 // profiling point that provided the data is. We want to favor
823 // profile data coming from outer scopes which are likely better for
824 // the current compilation.
825 int _inline_depth;
826
827 // utility methods to work on the speculative part of the type
828 const TypePtr* dual_speculative() const;
829 const TypePtr* xmeet_speculative(const TypePtr* other) const;
830 bool eq_speculative(const TypePtr* other) const;
831 int hash_speculative() const;
832 const TypePtr* add_offset_speculative(intptr_t offset) const;
833 #ifndef PRODUCT
834 void dump_speculative(outputStream *st) const;
835 #endif
836
837 // utility methods to work on the inline depth of the type
838 int dual_inline_depth() const;
839 int meet_inline_depth(int depth) const;
840 #ifndef PRODUCT
841 void dump_inline_depth(outputStream *st) const;
842 #endif
843
844 public:
845 const int _offset; // Offset into oop, with TOP & BOT
846 const PTR _ptr; // Pointer equivalence class
847
848 const int offset() const { return _offset; }
849 const PTR ptr() const { return _ptr; }
850
851 static const TypePtr *make(TYPES t, PTR ptr, int offset,
852 const TypePtr* speculative = NULL,
853 int inline_depth = InlineDepthBottom);
854
855 // Return a 'ptr' version of this type
856 virtual const Type *cast_to_ptr_type(PTR ptr) const;
857
858 virtual intptr_t get_con() const;
859
860 int xadd_offset( intptr_t offset ) const;
861 virtual const TypePtr *add_offset( intptr_t offset ) const;
862 virtual bool eq(const Type *t) const;
863 virtual int hash() const; // Type specific hashing
864
865 virtual bool singleton(void) const; // TRUE if type is a singleton
866 virtual bool empty(void) const; // TRUE if type is vacuous
867 virtual const Type *xmeet( const Type *t ) const;
868 virtual const Type *xmeet_helper( const Type *t ) const;
869 int meet_offset( int offset ) const;
870 int dual_offset( ) const;
871 virtual const Type *xdual() const; // Compute dual right now.
872
873 // meet, dual and join over pointer equivalence sets
874 PTR meet_ptr( const PTR in_ptr ) const { return ptr_meet[in_ptr][ptr()]; }
875 PTR dual_ptr() const { return ptr_dual[ptr()]; }
876
877 // This is textually confusing unless one recalls that
878 // join(t) == dual()->meet(t->dual())->dual().
879 PTR join_ptr( const PTR in_ptr ) const {
880 return ptr_dual[ ptr_meet[ ptr_dual[in_ptr] ] [ dual_ptr() ] ];
881 }
882
883 // Speculative type helper methods.
884 virtual const TypePtr* speculative() const { return _speculative; }
885 int inline_depth() const { return _inline_depth; }
886 virtual ciKlass* speculative_type() const;
887 virtual ciKlass* speculative_type_not_null() const;
888 virtual bool speculative_maybe_null() const;
889 virtual bool speculative_always_null() const;
890 virtual const Type* remove_speculative() const;
891 virtual const Type* cleanup_speculative() const;
892 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const;
893 virtual bool would_improve_ptr(ProfilePtrKind maybe_null) const;
894 virtual const TypePtr* with_inline_depth(int depth) const;
895
896 virtual bool maybe_null() const { return meet_ptr(Null) == ptr(); }
897
898 // Tests for relation to centerline of type lattice:
899 static bool above_centerline(PTR ptr) { return (ptr <= AnyNull); }
900 static bool below_centerline(PTR ptr) { return (ptr >= NotNull); }
901 // Convenience common pre-built types.
902 static const TypePtr *NULL_PTR;
903 static const TypePtr *NOTNULL;
904 static const TypePtr *BOTTOM;
905 #ifndef PRODUCT
906 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
907 #endif
908 };
909
910 //------------------------------TypeRawPtr-------------------------------------
911 // Class of raw pointers, pointers to things other than Oops. Examples
912 // include the stack pointer, top of heap, card-marking area, handles, etc.
913 class TypeRawPtr : public TypePtr {
914 protected:
915 TypeRawPtr( PTR ptr, address bits ) : TypePtr(RawPtr,ptr,0), _bits(bits){}
916 public:
917 virtual bool eq( const Type *t ) const;
918 virtual int hash() const; // Type specific hashing
919
920 const address _bits; // Constant value, if applicable
921
922 static const TypeRawPtr *make( PTR ptr );
923 static const TypeRawPtr *make( address bits );
924
925 // Return a 'ptr' version of this type
926 virtual const Type *cast_to_ptr_type(PTR ptr) const;
927
928 virtual intptr_t get_con() const;
929
930 virtual const TypePtr *add_offset( intptr_t offset ) const;
931
932 virtual const Type *xmeet( const Type *t ) const;
933 virtual const Type *xdual() const; // Compute dual right now.
934 // Convenience common pre-built types.
935 static const TypeRawPtr *BOTTOM;
936 static const TypeRawPtr *NOTNULL;
937 #ifndef PRODUCT
938 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
939 #endif
940 };
941
942 //------------------------------TypeOopPtr-------------------------------------
943 // Some kind of oop (Java pointer), either instance or array.
944 class TypeOopPtr : public TypePtr {
945 protected:
946 TypeOopPtr(TYPES t, PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id,
947 const TypePtr* speculative, int inline_depth);
948 public:
949 virtual bool eq( const Type *t ) const;
950 virtual int hash() const; // Type specific hashing
951 virtual bool singleton(void) const; // TRUE if type is a singleton
952 enum {
953 InstanceTop = -1, // undefined instance
954 InstanceBot = 0 // any possible instance
955 };
956 protected:
957
958 // Oop is NULL, unless this is a constant oop.
959 ciObject* _const_oop; // Constant oop
960 // If _klass is NULL, then so is _sig. This is an unloaded klass.
961 ciKlass* _klass; // Klass object
962 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.)
963 bool _klass_is_exact;
964 bool _is_ptr_to_narrowoop;
965 bool _is_ptr_to_narrowklass;
966 bool _is_ptr_to_boxed_value;
967
968 // If not InstanceTop or InstanceBot, indicates that this is
969 // a particular instance of this type which is distinct.
970 // This is the node index of the allocation node creating this instance.
971 int _instance_id;
972
973 static const TypeOopPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact);
974
975 int dual_instance_id() const;
976 int meet_instance_id(int uid) const;
977
978 // Do not allow interface-vs.-noninterface joins to collapse to top.
979 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
980
981 public:
982 // Creates a type given a klass. Correctly handles multi-dimensional arrays
983 // Respects UseUniqueSubclasses.
984 // If the klass is final, the resulting type will be exact.
985 static const TypeOopPtr* make_from_klass(ciKlass* klass) {
986 return make_from_klass_common(klass, true, false);
987 }
988 // Same as before, but will produce an exact type, even if
989 // the klass is not final, as long as it has exactly one implementation.
990 static const TypeOopPtr* make_from_klass_unique(ciKlass* klass) {
991 return make_from_klass_common(klass, true, true);
992 }
993 // Same as before, but does not respects UseUniqueSubclasses.
994 // Use this only for creating array element types.
995 static const TypeOopPtr* make_from_klass_raw(ciKlass* klass) {
996 return make_from_klass_common(klass, false, false);
997 }
998 // Creates a singleton type given an object.
999 // If the object cannot be rendered as a constant,
1000 // may return a non-singleton type.
1001 // If require_constant, produce a NULL if a singleton is not possible.
1002 static const TypeOopPtr* make_from_constant(ciObject* o,
1003 bool require_constant = false);
1004
1005 // Make a generic (unclassed) pointer to an oop.
1006 static const TypeOopPtr* make(PTR ptr, int offset, int instance_id,
1007 const TypePtr* speculative = NULL,
1008 int inline_depth = InlineDepthBottom);
1009
1010 ciObject* const_oop() const { return _const_oop; }
1011 virtual ciKlass* klass() const { return _klass; }
1012 bool klass_is_exact() const { return _klass_is_exact; }
1013
1014 // Returns true if this pointer points at memory which contains a
1015 // compressed oop references.
1016 bool is_ptr_to_narrowoop_nv() const { return _is_ptr_to_narrowoop; }
1017 bool is_ptr_to_narrowklass_nv() const { return _is_ptr_to_narrowklass; }
1018 bool is_ptr_to_boxed_value() const { return _is_ptr_to_boxed_value; }
1019 bool is_known_instance() const { return _instance_id > 0; }
1020 int instance_id() const { return _instance_id; }
1021 bool is_known_instance_field() const { return is_known_instance() && _offset >= 0; }
1022
1023 virtual intptr_t get_con() const;
1024
1025 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1026
1027 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
1028
1029 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
1030
1031 // corresponding pointer to klass, for a given instance
1032 const TypeKlassPtr* as_klass_type() const;
1033
1034 virtual const TypePtr *add_offset( intptr_t offset ) const;
1035
1036 // Speculative type helper methods.
1037 virtual const Type* remove_speculative() const;
1038 virtual const Type* cleanup_speculative() const;
1039 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const;
1040 virtual const TypePtr* with_inline_depth(int depth) const;
1041
1042 virtual const Type *xdual() const; // Compute dual right now.
1043 // the core of the computation of the meet for TypeOopPtr and for its subclasses
1044 virtual const Type *xmeet_helper(const Type *t) const;
1045
1046 // Convenience common pre-built type.
1047 static const TypeOopPtr *BOTTOM;
1048 #ifndef PRODUCT
1049 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1050 #endif
1051 };
1052
1053 //------------------------------TypeInstPtr------------------------------------
1054 // Class of Java object pointers, pointing either to non-array Java instances
1055 // or to a Klass* (including array klasses).
1056 class TypeInstPtr : public TypeOopPtr {
1057 TypeInstPtr(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id,
1058 const TypePtr* speculative, int inline_depth);
1059 virtual bool eq( const Type *t ) const;
1060 virtual int hash() const; // Type specific hashing
1061
1062 ciSymbol* _name; // class name
1063
1064 public:
1065 ciSymbol* name() const { return _name; }
1066
1067 bool is_loaded() const { return _klass->is_loaded(); }
1068
1069 // Make a pointer to a constant oop.
1070 static const TypeInstPtr *make(ciObject* o) {
1071 return make(TypePtr::Constant, o->klass(), true, o, 0, InstanceBot);
1072 }
1073 // Make a pointer to a constant oop with offset.
1074 static const TypeInstPtr *make(ciObject* o, int offset) {
1075 return make(TypePtr::Constant, o->klass(), true, o, offset, InstanceBot);
1076 }
1077
1078 // Make a pointer to some value of type klass.
1079 static const TypeInstPtr *make(PTR ptr, ciKlass* klass) {
1080 return make(ptr, klass, false, NULL, 0, InstanceBot);
1081 }
1082
1083 // Make a pointer to some non-polymorphic value of exactly type klass.
1084 static const TypeInstPtr *make_exact(PTR ptr, ciKlass* klass) {
1085 return make(ptr, klass, true, NULL, 0, InstanceBot);
1086 }
1087
1088 // Make a pointer to some value of type klass with offset.
1089 static const TypeInstPtr *make(PTR ptr, ciKlass* klass, int offset) {
1090 return make(ptr, klass, false, NULL, offset, InstanceBot);
1091 }
1092
1093 // Make a pointer to an oop.
1094 static const TypeInstPtr *make(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset,
1095 int instance_id = InstanceBot,
1096 const TypePtr* speculative = NULL,
1097 int inline_depth = InlineDepthBottom);
1098
1099 /** Create constant type for a constant boxed value */
1100 const Type* get_const_boxed_value() const;
1101
1102 // If this is a java.lang.Class constant, return the type for it or NULL.
1103 // Pass to Type::get_const_type to turn it to a type, which will usually
1104 // be a TypeInstPtr, but may also be a TypeInt::INT for int.class, etc.
1105 ciType* java_mirror_type() const;
1106
1107 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1108
1109 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
1110
1111 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
1112
1113 virtual const TypePtr *add_offset( intptr_t offset ) const;
1114
1115 // Speculative type helper methods.
1116 virtual const Type* remove_speculative() const;
1117 virtual const TypePtr* with_inline_depth(int depth) const;
1118
1119 // the core of the computation of the meet of 2 types
1120 virtual const Type *xmeet_helper(const Type *t) const;
1121 virtual const TypeInstPtr *xmeet_unloaded( const TypeInstPtr *t ) const;
1122 virtual const Type *xdual() const; // Compute dual right now.
1123
1124 // Convenience common pre-built types.
1125 static const TypeInstPtr *NOTNULL;
1126 static const TypeInstPtr *BOTTOM;
1127 static const TypeInstPtr *MIRROR;
1128 static const TypeInstPtr *MARK;
1129 static const TypeInstPtr *KLASS;
1130 #ifndef PRODUCT
1131 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1132 #endif
1133 };
1134
1135 //------------------------------TypeAryPtr-------------------------------------
1136 // Class of Java array pointers
1137 class TypeAryPtr : public TypeOopPtr {
1138 TypeAryPtr( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk,
1139 int offset, int instance_id, bool is_autobox_cache,
1140 const TypePtr* speculative, int inline_depth)
1141 : TypeOopPtr(AryPtr,ptr,k,xk,o,offset, instance_id, speculative, inline_depth),
1142 _ary(ary),
1143 _is_autobox_cache(is_autobox_cache)
1144 {
1145 #ifdef ASSERT
1146 if (k != NULL) {
1147 // Verify that specified klass and TypeAryPtr::klass() follow the same rules.
1148 ciKlass* ck = compute_klass(true);
1149 if (k != ck) {
1150 this->dump(); tty->cr();
1151 tty->print(" k: ");
1152 k->print(); tty->cr();
1153 tty->print("ck: ");
1154 if (ck != NULL) ck->print();
1155 else tty->print("<NULL>");
1156 tty->cr();
1157 assert(false, "unexpected TypeAryPtr::_klass");
1158 }
1159 }
1160 #endif
1161 }
1162 virtual bool eq( const Type *t ) const;
1163 virtual int hash() const; // Type specific hashing
1164 const TypeAry *_ary; // Array we point into
1165 const bool _is_autobox_cache;
1166
1167 ciKlass* compute_klass(DEBUG_ONLY(bool verify = false)) const;
1168
1169 public:
1170 // Accessors
1171 ciKlass* klass() const;
1172 const TypeAry* ary() const { return _ary; }
1173 const Type* elem() const { return _ary->_elem; }
1174 const TypeInt* size() const { return _ary->_size; }
1175 bool is_stable() const { return _ary->_stable; }
1176
1177 bool is_autobox_cache() const { return _is_autobox_cache; }
1178
1179 static const TypeAryPtr *make(PTR ptr, const TypeAry *ary, ciKlass* k, bool xk, int offset,
1180 int instance_id = InstanceBot,
1181 const TypePtr* speculative = NULL,
1182 int inline_depth = InlineDepthBottom);
1183 // Constant pointer to array
1184 static const TypeAryPtr *make(PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset,
1185 int instance_id = InstanceBot,
1186 const TypePtr* speculative = NULL,
1187 int inline_depth = InlineDepthBottom, bool is_autobox_cache = false);
1188
1189 // Return a 'ptr' version of this type
1190 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1191
1192 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
1193
1194 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
1195
1196 virtual const TypeAryPtr* cast_to_size(const TypeInt* size) const;
1197 virtual const TypeInt* narrow_size_type(const TypeInt* size) const;
1198
1199 virtual bool empty(void) const; // TRUE if type is vacuous
1200 virtual const TypePtr *add_offset( intptr_t offset ) const;
1201
1202 // Speculative type helper methods.
1203 virtual const Type* remove_speculative() const;
1204 virtual const TypePtr* with_inline_depth(int depth) const;
1205
1206 // the core of the computation of the meet of 2 types
1207 virtual const Type *xmeet_helper(const Type *t) const;
1208 virtual const Type *xdual() const; // Compute dual right now.
1209
1210 const TypeAryPtr* cast_to_stable(bool stable, int stable_dimension = 1) const;
1211 int stable_dimension() const;
1212
1213 const TypeAryPtr* cast_to_autobox_cache(bool cache) const;
1214
1215 // Convenience common pre-built types.
1216 static const TypeAryPtr *RANGE;
1217 static const TypeAryPtr *OOPS;
1218 static const TypeAryPtr *NARROWOOPS;
1219 static const TypeAryPtr *BYTES;
1220 static const TypeAryPtr *SHORTS;
1221 static const TypeAryPtr *CHARS;
1222 static const TypeAryPtr *INTS;
1223 static const TypeAryPtr *LONGS;
1224 static const TypeAryPtr *FLOATS;
1225 static const TypeAryPtr *DOUBLES;
1226 // selects one of the above:
1227 static const TypeAryPtr *get_array_body_type(BasicType elem) {
1228 assert((uint)elem <= T_CONFLICT && _array_body_type[elem] != NULL, "bad elem type");
1229 return _array_body_type[elem];
1230 }
1231 static const TypeAryPtr *_array_body_type[T_CONFLICT+1];
1232 // sharpen the type of an int which is used as an array size
1233 #ifdef ASSERT
1234 // One type is interface, the other is oop
1235 virtual bool interface_vs_oop(const Type *t) const;
1236 #endif
1237 #ifndef PRODUCT
1238 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1239 #endif
1240 };
1241
1242 //------------------------------TypeMetadataPtr-------------------------------------
1243 // Some kind of metadata, either Method*, MethodData* or CPCacheOop
1244 class TypeMetadataPtr : public TypePtr {
1245 protected:
1246 TypeMetadataPtr(PTR ptr, ciMetadata* metadata, int offset);
1247 // Do not allow interface-vs.-noninterface joins to collapse to top.
1248 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1249 public:
1250 virtual bool eq( const Type *t ) const;
1251 virtual int hash() const; // Type specific hashing
1252 virtual bool singleton(void) const; // TRUE if type is a singleton
1253
1254 private:
1255 ciMetadata* _metadata;
1256
1257 public:
1258 static const TypeMetadataPtr* make(PTR ptr, ciMetadata* m, int offset);
1259
1260 static const TypeMetadataPtr* make(ciMethod* m);
1261 static const TypeMetadataPtr* make(ciMethodData* m);
1262
1263 ciMetadata* metadata() const { return _metadata; }
1264
1265 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1266
1267 virtual const TypePtr *add_offset( intptr_t offset ) const;
1268
1269 virtual const Type *xmeet( const Type *t ) const;
1270 virtual const Type *xdual() const; // Compute dual right now.
1271
1272 virtual intptr_t get_con() const;
1273
1274 // Convenience common pre-built types.
1275 static const TypeMetadataPtr *BOTTOM;
1276
1277 #ifndef PRODUCT
1278 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1279 #endif
1280 };
1281
1282 //------------------------------TypeKlassPtr-----------------------------------
1283 // Class of Java Klass pointers
1284 class TypeKlassPtr : public TypePtr {
1285 TypeKlassPtr( PTR ptr, ciKlass* klass, int offset );
1286
1287 protected:
1288 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1289 public:
1290 virtual bool eq( const Type *t ) const;
1291 virtual int hash() const; // Type specific hashing
1292 virtual bool singleton(void) const; // TRUE if type is a singleton
1293 private:
1294
1295 static const TypeKlassPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact);
1296
1297 ciKlass* _klass;
1298
1299 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.)
1300 bool _klass_is_exact;
1301
1302 public:
1303 ciSymbol* name() const { return klass()->name(); }
1304
1305 ciKlass* klass() const { return _klass; }
1306 bool klass_is_exact() const { return _klass_is_exact; }
1307
1308 bool is_loaded() const { return klass()->is_loaded(); }
1309
1310 // Creates a type given a klass. Correctly handles multi-dimensional arrays
1311 // Respects UseUniqueSubclasses.
1312 // If the klass is final, the resulting type will be exact.
1313 static const TypeKlassPtr* make_from_klass(ciKlass* klass) {
1314 return make_from_klass_common(klass, true, false);
1315 }
1316 // Same as before, but will produce an exact type, even if
1317 // the klass is not final, as long as it has exactly one implementation.
1318 static const TypeKlassPtr* make_from_klass_unique(ciKlass* klass) {
1319 return make_from_klass_common(klass, true, true);
1320 }
1321 // Same as before, but does not respects UseUniqueSubclasses.
1322 // Use this only for creating array element types.
1323 static const TypeKlassPtr* make_from_klass_raw(ciKlass* klass) {
1324 return make_from_klass_common(klass, false, false);
1325 }
1326
1327 // Make a generic (unclassed) pointer to metadata.
1328 static const TypeKlassPtr* make(PTR ptr, int offset);
1329
1330 // ptr to klass 'k'
1331 static const TypeKlassPtr *make( ciKlass* k ) { return make( TypePtr::Constant, k, 0); }
1332 // ptr to klass 'k' with offset
1333 static const TypeKlassPtr *make( ciKlass* k, int offset ) { return make( TypePtr::Constant, k, offset); }
1334 // ptr to klass 'k' or sub-klass
1335 static const TypeKlassPtr *make( PTR ptr, ciKlass* k, int offset);
1336
1337 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1338
1339 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
1340
1341 // corresponding pointer to instance, for a given class
1342 const TypeOopPtr* as_instance_type() const;
1343
1344 virtual const TypePtr *add_offset( intptr_t offset ) const;
1345 virtual const Type *xmeet( const Type *t ) const;
1346 virtual const Type *xdual() const; // Compute dual right now.
1347
1348 virtual intptr_t get_con() const;
1349
1350 // Convenience common pre-built types.
1351 static const TypeKlassPtr* OBJECT; // Not-null object klass or below
1352 static const TypeKlassPtr* OBJECT_OR_NULL; // Maybe-null version of same
1353 #ifndef PRODUCT
1354 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1355 #endif
1356 };
1357
1358 class TypeNarrowPtr : public Type {
1359 protected:
1360 const TypePtr* _ptrtype; // Could be TypePtr::NULL_PTR
1361
1362 TypeNarrowPtr(TYPES t, const TypePtr* ptrtype): _ptrtype(ptrtype),
1363 Type(t) {
1364 assert(ptrtype->offset() == 0 ||
1365 ptrtype->offset() == OffsetBot ||
1366 ptrtype->offset() == OffsetTop, "no real offsets");
1367 }
1368
1369 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const = 0;
1370 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const = 0;
1371 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const = 0;
1372 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const = 0;
1373 // Do not allow interface-vs.-noninterface joins to collapse to top.
1374 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1375 public:
1376 virtual bool eq( const Type *t ) const;
1377 virtual int hash() const; // Type specific hashing
1378 virtual bool singleton(void) const; // TRUE if type is a singleton
1379
1380 virtual const Type *xmeet( const Type *t ) const;
1381 virtual const Type *xdual() const; // Compute dual right now.
1382
1383 virtual intptr_t get_con() const;
1384
1385 virtual bool empty(void) const; // TRUE if type is vacuous
1386
1387 // returns the equivalent ptr type for this compressed pointer
1388 const TypePtr *get_ptrtype() const {
1389 return _ptrtype;
1390 }
1391
1392 #ifndef PRODUCT
1393 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1394 #endif
1395 };
1396
1397 //------------------------------TypeNarrowOop----------------------------------
1398 // A compressed reference to some kind of Oop. This type wraps around
1399 // a preexisting TypeOopPtr and forwards most of it's operations to
1400 // the underlying type. It's only real purpose is to track the
1401 // oopness of the compressed oop value when we expose the conversion
1402 // between the normal and the compressed form.
1403 class TypeNarrowOop : public TypeNarrowPtr {
1404 protected:
1405 TypeNarrowOop( const TypePtr* ptrtype): TypeNarrowPtr(NarrowOop, ptrtype) {
1406 }
1407
1408 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const {
1409 return t->isa_narrowoop();
1410 }
1411
1412 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const {
1413 return t->is_narrowoop();
1414 }
1415
1416 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const {
1417 return new TypeNarrowOop(t);
1418 }
1419
1420 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const {
1421 return (const TypeNarrowPtr*)((new TypeNarrowOop(t))->hashcons());
1422 }
1423
1424 public:
1425
1426 static const TypeNarrowOop *make( const TypePtr* type);
1427
1428 static const TypeNarrowOop* make_from_constant(ciObject* con, bool require_constant = false) {
1429 return make(TypeOopPtr::make_from_constant(con, require_constant));
1430 }
1431
1432 static const TypeNarrowOop *BOTTOM;
1433 static const TypeNarrowOop *NULL_PTR;
1434
1435 virtual const Type* remove_speculative() const;
1436 virtual const Type* cleanup_speculative() const;
1437
1438 #ifndef PRODUCT
1439 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1440 #endif
1441 };
1442
1443 //------------------------------TypeNarrowKlass----------------------------------
1444 // A compressed reference to klass pointer. This type wraps around a
1445 // preexisting TypeKlassPtr and forwards most of it's operations to
1446 // the underlying type.
1447 class TypeNarrowKlass : public TypeNarrowPtr {
1448 protected:
1449 TypeNarrowKlass( const TypePtr* ptrtype): TypeNarrowPtr(NarrowKlass, ptrtype) {
1450 }
1451
1452 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const {
1453 return t->isa_narrowklass();
1454 }
1455
1456 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const {
1457 return t->is_narrowklass();
1458 }
1459
1460 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const {
1461 return new TypeNarrowKlass(t);
1462 }
1463
1464 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const {
1465 return (const TypeNarrowPtr*)((new TypeNarrowKlass(t))->hashcons());
1466 }
1467
1468 public:
1469 static const TypeNarrowKlass *make( const TypePtr* type);
1470
1471 // static const TypeNarrowKlass *BOTTOM;
1472 static const TypeNarrowKlass *NULL_PTR;
1473
1474 #ifndef PRODUCT
1475 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1476 #endif
1477 };
1478
1479 //------------------------------TypeFunc---------------------------------------
1480 // Class of Array Types
1481 class TypeFunc : public Type {
1482 TypeFunc( const TypeTuple *domain, const TypeTuple *range ) : Type(Function), _domain(domain), _range(range) {}
1483 virtual bool eq( const Type *t ) const;
1484 virtual int hash() const; // Type specific hashing
1485 virtual bool singleton(void) const; // TRUE if type is a singleton
1486 virtual bool empty(void) const; // TRUE if type is vacuous
1487
1488 const TypeTuple* const _domain; // Domain of inputs
1489 const TypeTuple* const _range; // Range of results
1490
1491 public:
1492 // Constants are shared among ADLC and VM
1493 enum { Control = AdlcVMDeps::Control,
1494 I_O = AdlcVMDeps::I_O,
1495 Memory = AdlcVMDeps::Memory,
1496 FramePtr = AdlcVMDeps::FramePtr,
1497 ReturnAdr = AdlcVMDeps::ReturnAdr,
1498 Parms = AdlcVMDeps::Parms
1499 };
1500
1501
1502 // Accessors:
1503 const TypeTuple* domain() const { return _domain; }
1504 const TypeTuple* range() const { return _range; }
1505
1506 static const TypeFunc *make(ciMethod* method);
1507 static const TypeFunc *make(ciSignature signature, const Type* extra);
1508 static const TypeFunc *make(const TypeTuple* domain, const TypeTuple* range);
1509
1510 virtual const Type *xmeet( const Type *t ) const;
1511 virtual const Type *xdual() const; // Compute dual right now.
1512
1513 BasicType return_type() const;
1514
1515 #ifndef PRODUCT
1516 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1517 #endif
1518 // Convenience common pre-built types.
1519 };
1520
1521 //------------------------------accessors--------------------------------------
1522 inline bool Type::is_ptr_to_narrowoop() const {
1523 #ifdef _LP64
1524 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowoop_nv());
1525 #else
1526 return false;
1527 #endif
1528 }
1529
1530 inline bool Type::is_ptr_to_narrowklass() const {
1531 #ifdef _LP64
1532 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowklass_nv());
1533 #else
1534 return false;
1535 #endif
1536 }
1537
1538 inline float Type::getf() const {
1539 assert( _base == FloatCon, "Not a FloatCon" );
1540 return ((TypeF*)this)->_f;
1541 }
1542
1543 inline double Type::getd() const {
1544 assert( _base == DoubleCon, "Not a DoubleCon" );
1545 return ((TypeD*)this)->_d;
1546 }
1547
1548 inline const TypeInt *Type::is_int() const {
1549 assert( _base == Int, "Not an Int" );
1550 return (TypeInt*)this;
1551 }
1552
1553 inline const TypeInt *Type::isa_int() const {
1554 return ( _base == Int ? (TypeInt*)this : NULL);
1555 }
1556
1557 inline const TypeLong *Type::is_long() const {
1558 assert( _base == Long, "Not a Long" );
1559 return (TypeLong*)this;
1560 }
1561
1562 inline const TypeLong *Type::isa_long() const {
1563 return ( _base == Long ? (TypeLong*)this : NULL);
1564 }
1565
1566 inline const TypeF *Type::isa_float() const {
1567 return ((_base == FloatTop ||
1568 _base == FloatCon ||
1569 _base == FloatBot) ? (TypeF*)this : NULL);
1570 }
1571
1572 inline const TypeF *Type::is_float_constant() const {
1573 assert( _base == FloatCon, "Not a Float" );
1574 return (TypeF*)this;
1575 }
1576
1577 inline const TypeF *Type::isa_float_constant() const {
1578 return ( _base == FloatCon ? (TypeF*)this : NULL);
1579 }
1580
1581 inline const TypeD *Type::isa_double() const {
1582 return ((_base == DoubleTop ||
1583 _base == DoubleCon ||
1584 _base == DoubleBot) ? (TypeD*)this : NULL);
1585 }
1586
1587 inline const TypeD *Type::is_double_constant() const {
1588 assert( _base == DoubleCon, "Not a Double" );
1589 return (TypeD*)this;
1590 }
1591
1592 inline const TypeD *Type::isa_double_constant() const {
1593 return ( _base == DoubleCon ? (TypeD*)this : NULL);
1594 }
1595
1596 inline const TypeTuple *Type::is_tuple() const {
1597 assert( _base == Tuple, "Not a Tuple" );
1598 return (TypeTuple*)this;
1599 }
1600
1601 inline const TypeAry *Type::is_ary() const {
1602 assert( _base == Array , "Not an Array" );
1603 return (TypeAry*)this;
1604 }
1605
1606 inline const TypeVect *Type::is_vect() const {
1607 assert( _base >= VectorS && _base <= VectorZ, "Not a Vector" );
1608 return (TypeVect*)this;
1609 }
1610
1611 inline const TypeVect *Type::isa_vect() const {
1612 return (_base >= VectorS && _base <= VectorZ) ? (TypeVect*)this : NULL;
1613 }
1614
1615 inline const TypePtr *Type::is_ptr() const {
1616 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
1617 assert(_base >= AnyPtr && _base <= KlassPtr, "Not a pointer");
1618 return (TypePtr*)this;
1619 }
1620
1621 inline const TypePtr *Type::isa_ptr() const {
1622 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
1623 return (_base >= AnyPtr && _base <= KlassPtr) ? (TypePtr*)this : NULL;
1624 }
1625
1626 inline const TypeOopPtr *Type::is_oopptr() const {
1627 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1628 assert(_base >= OopPtr && _base <= AryPtr, "Not a Java pointer" ) ;
1629 return (TypeOopPtr*)this;
1630 }
1631
1632 inline const TypeOopPtr *Type::isa_oopptr() const {
1633 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1634 return (_base >= OopPtr && _base <= AryPtr) ? (TypeOopPtr*)this : NULL;
1635 }
1636
1637 inline const TypeRawPtr *Type::isa_rawptr() const {
1638 return (_base == RawPtr) ? (TypeRawPtr*)this : NULL;
1639 }
1640
1641 inline const TypeRawPtr *Type::is_rawptr() const {
1642 assert( _base == RawPtr, "Not a raw pointer" );
1643 return (TypeRawPtr*)this;
1644 }
1645
1646 inline const TypeInstPtr *Type::isa_instptr() const {
1647 return (_base == InstPtr) ? (TypeInstPtr*)this : NULL;
1648 }
1649
1650 inline const TypeInstPtr *Type::is_instptr() const {
1651 assert( _base == InstPtr, "Not an object pointer" );
1652 return (TypeInstPtr*)this;
1653 }
1654
1655 inline const TypeAryPtr *Type::isa_aryptr() const {
1656 return (_base == AryPtr) ? (TypeAryPtr*)this : NULL;
1657 }
1658
1659 inline const TypeAryPtr *Type::is_aryptr() const {
1660 assert( _base == AryPtr, "Not an array pointer" );
1661 return (TypeAryPtr*)this;
1662 }
1663
1664 inline const TypeNarrowOop *Type::is_narrowoop() const {
1665 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1666 assert(_base == NarrowOop, "Not a narrow oop" ) ;
1667 return (TypeNarrowOop*)this;
1668 }
1669
1670 inline const TypeNarrowOop *Type::isa_narrowoop() const {
1671 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1672 return (_base == NarrowOop) ? (TypeNarrowOop*)this : NULL;
1673 }
1674
1675 inline const TypeNarrowKlass *Type::is_narrowklass() const {
1676 assert(_base == NarrowKlass, "Not a narrow oop" ) ;
1677 return (TypeNarrowKlass*)this;
1678 }
1679
1680 inline const TypeNarrowKlass *Type::isa_narrowklass() const {
1681 return (_base == NarrowKlass) ? (TypeNarrowKlass*)this : NULL;
1682 }
1683
1684 inline const TypeMetadataPtr *Type::is_metadataptr() const {
1685 // MetadataPtr is the first and CPCachePtr the last
1686 assert(_base == MetadataPtr, "Not a metadata pointer" ) ;
1687 return (TypeMetadataPtr*)this;
1688 }
1689
1690 inline const TypeMetadataPtr *Type::isa_metadataptr() const {
1691 return (_base == MetadataPtr) ? (TypeMetadataPtr*)this : NULL;
1692 }
1693
1694 inline const TypeKlassPtr *Type::isa_klassptr() const {
1695 return (_base == KlassPtr) ? (TypeKlassPtr*)this : NULL;
1696 }
1697
1698 inline const TypeKlassPtr *Type::is_klassptr() const {
1699 assert( _base == KlassPtr, "Not a klass pointer" );
1700 return (TypeKlassPtr*)this;
1701 }
1702
1703 inline const TypePtr* Type::make_ptr() const {
1704 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype() :
1705 ((_base == NarrowKlass) ? is_narrowklass()->get_ptrtype() :
1706 isa_ptr());
1707 }
1708
1709 inline const TypeOopPtr* Type::make_oopptr() const {
1710 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype()->isa_oopptr() : isa_oopptr();
1711 }
1712
1713 inline const TypeNarrowOop* Type::make_narrowoop() const {
1714 return (_base == NarrowOop) ? is_narrowoop() :
1715 (isa_ptr() ? TypeNarrowOop::make(is_ptr()) : NULL);
1716 }
1717
1718 inline const TypeNarrowKlass* Type::make_narrowklass() const {
1719 return (_base == NarrowKlass) ? is_narrowklass() :
1720 (isa_ptr() ? TypeNarrowKlass::make(is_ptr()) : NULL);
1721 }
1722
1723 inline bool Type::is_floatingpoint() const {
1724 if( (_base == FloatCon) || (_base == FloatBot) ||
1725 (_base == DoubleCon) || (_base == DoubleBot) )
1726 return true;
1727 return false;
1728 }
1729
1730 inline bool Type::is_ptr_to_boxing_obj() const {
1731 const TypeInstPtr* tp = isa_instptr();
1732 return (tp != NULL) && (tp->offset() == 0) &&
1733 tp->klass()->is_instance_klass() &&
1734 tp->klass()->as_instance_klass()->is_box_klass();
1735 }
1736
1737
1738 // ===============================================================
1739 // Things that need to be 64-bits in the 64-bit build but
1740 // 32-bits in the 32-bit build. Done this way to get full
1741 // optimization AND strong typing.
1742 #ifdef _LP64
1743
1744 // For type queries and asserts
1745 #define is_intptr_t is_long
1746 #define isa_intptr_t isa_long
1747 #define find_intptr_t_type find_long_type
1748 #define find_intptr_t_con find_long_con
1749 #define TypeX TypeLong
1750 #define Type_X Type::Long
1751 #define TypeX_X TypeLong::LONG
1752 #define TypeX_ZERO TypeLong::ZERO
1753 // For 'ideal_reg' machine registers
1754 #define Op_RegX Op_RegL
1755 // For phase->intcon variants
1756 #define MakeConX longcon
1757 #define ConXNode ConLNode
1758 // For array index arithmetic
1759 #define MulXNode MulLNode
1760 #define AndXNode AndLNode
1761 #define OrXNode OrLNode
1762 #define CmpXNode CmpLNode
1763 #define SubXNode SubLNode
1764 #define LShiftXNode LShiftLNode
1765 // For object size computation:
1766 #define AddXNode AddLNode
1767 #define RShiftXNode RShiftLNode
1768 // For card marks and hashcodes
1769 #define URShiftXNode URShiftLNode
1770 // UseOptoBiasInlining
1771 #define XorXNode XorLNode
1772 #define StoreXConditionalNode StoreLConditionalNode
1773 // Opcodes
1774 #define Op_LShiftX Op_LShiftL
1775 #define Op_AndX Op_AndL
1776 #define Op_AddX Op_AddL
1777 #define Op_SubX Op_SubL
1778 #define Op_XorX Op_XorL
1779 #define Op_URShiftX Op_URShiftL
1780 // conversions
1781 #define ConvI2X(x) ConvI2L(x)
1782 #define ConvL2X(x) (x)
1783 #define ConvX2I(x) ConvL2I(x)
1784 #define ConvX2L(x) (x)
1785 #define ConvX2UL(x) (x)
1786
1787 #else
1788
1789 // For type queries and asserts
1790 #define is_intptr_t is_int
1791 #define isa_intptr_t isa_int
1792 #define find_intptr_t_type find_int_type
1793 #define find_intptr_t_con find_int_con
1794 #define TypeX TypeInt
1795 #define Type_X Type::Int
1796 #define TypeX_X TypeInt::INT
1797 #define TypeX_ZERO TypeInt::ZERO
1798 // For 'ideal_reg' machine registers
1799 #define Op_RegX Op_RegI
1800 // For phase->intcon variants
1801 #define MakeConX intcon
1802 #define ConXNode ConINode
1803 // For array index arithmetic
1804 #define MulXNode MulINode
1805 #define AndXNode AndINode
1806 #define OrXNode OrINode
1807 #define CmpXNode CmpINode
1808 #define SubXNode SubINode
1809 #define LShiftXNode LShiftINode
1810 // For object size computation:
1811 #define AddXNode AddINode
1812 #define RShiftXNode RShiftINode
1813 // For card marks and hashcodes
1814 #define URShiftXNode URShiftINode
1815 // UseOptoBiasInlining
1816 #define XorXNode XorINode
1817 #define StoreXConditionalNode StoreIConditionalNode
1818 // Opcodes
1819 #define Op_LShiftX Op_LShiftI
1820 #define Op_AndX Op_AndI
1821 #define Op_AddX Op_AddI
1822 #define Op_SubX Op_SubI
1823 #define Op_XorX Op_XorI
1824 #define Op_URShiftX Op_URShiftI
1825 // conversions
1826 #define ConvI2X(x) (x)
1827 #define ConvL2X(x) ConvL2I(x)
1828 #define ConvX2I(x) (x)
1829 #define ConvX2L(x) ConvI2L(x)
1830 #define ConvX2UL(x) ConvI2UL(x)
1831
1832 #endif
1833
1834 #endif // SHARE_VM_OPTO_TYPE_HPP