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 const Type* remove_speculative() const { return this; }
449 virtual const Type* cleanup_speculative() const { return this; }
450 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const { return exact_kls != NULL; }
451 virtual bool would_improve_ptr(bool maybe_null) const { return !maybe_null; }
452 const Type* maybe_remove_speculative(bool include_speculative) const;
453
454 virtual bool maybe_null() const { return true; }
455
456 private:
457 // support arrays
458 static const BasicType _basic_type[];
459 static const Type* _zero_type[T_CONFLICT+1];
460 static const Type* _const_basic_type[T_CONFLICT+1];
461 };
462
463 //------------------------------TypeF------------------------------------------
464 // Class of Float-Constant Types.
465 class TypeF : public Type {
466 TypeF( float f ) : Type(FloatCon), _f(f) {};
467 public:
468 virtual bool eq( const Type *t ) const;
469 virtual int hash() const; // Type specific hashing
470 virtual bool singleton(void) const; // TRUE if type is a singleton
471 virtual bool empty(void) const; // TRUE if type is vacuous
472 public:
473 const float _f; // Float constant
474
475 static const TypeF *make(float f);
476
477 virtual bool is_finite() const; // Has a finite value
478 virtual bool is_nan() const; // Is not a number (NaN)
479
480 virtual const Type *xmeet( const Type *t ) const;
481 virtual const Type *xdual() const; // Compute dual right now.
482 // Convenience common pre-built types.
483 static const TypeF *ZERO; // positive zero only
484 static const TypeF *ONE;
485 #ifndef PRODUCT
486 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
487 #endif
488 };
489
490 //------------------------------TypeD------------------------------------------
491 // Class of Double-Constant Types.
492 class TypeD : public Type {
493 TypeD( double d ) : Type(DoubleCon), _d(d) {};
494 public:
495 virtual bool eq( const Type *t ) const;
496 virtual int hash() const; // Type specific hashing
497 virtual bool singleton(void) const; // TRUE if type is a singleton
498 virtual bool empty(void) const; // TRUE if type is vacuous
499 public:
500 const double _d; // Double constant
501
502 static const TypeD *make(double d);
503
504 virtual bool is_finite() const; // Has a finite value
505 virtual bool is_nan() const; // Is not a number (NaN)
506
507 virtual const Type *xmeet( const Type *t ) const;
508 virtual const Type *xdual() const; // Compute dual right now.
509 // Convenience common pre-built types.
510 static const TypeD *ZERO; // positive zero only
511 static const TypeD *ONE;
512 #ifndef PRODUCT
513 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
514 #endif
515 };
516
517 //------------------------------TypeInt----------------------------------------
518 // Class of integer ranges, the set of integers between a lower bound and an
519 // upper bound, inclusive.
520 class TypeInt : public Type {
521 TypeInt( jint lo, jint hi, int w );
522 protected:
523 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
524
525 public:
526 typedef jint NativeType;
527 virtual bool eq( const Type *t ) const;
528 virtual int hash() const; // Type specific hashing
529 virtual bool singleton(void) const; // TRUE if type is a singleton
530 virtual bool empty(void) const; // TRUE if type is vacuous
531 const jint _lo, _hi; // Lower bound, upper bound
532 const short _widen; // Limit on times we widen this sucker
533
534 static const TypeInt *make(jint lo);
535 // must always specify w
536 static const TypeInt *make(jint lo, jint hi, int w);
537
538 // Check for single integer
539 int is_con() const { return _lo==_hi; }
540 bool is_con(int i) const { return is_con() && _lo == i; }
541 jint get_con() const { assert( is_con(), "" ); return _lo; }
542
543 virtual bool is_finite() const; // Has a finite value
544
545 virtual const Type *xmeet( const Type *t ) const;
546 virtual const Type *xdual() const; // Compute dual right now.
547 virtual const Type *widen( const Type *t, const Type* limit_type ) const;
548 virtual const Type *narrow( const Type *t ) const;
549 // Do not kill _widen bits.
550 // Convenience common pre-built types.
551 static const TypeInt *MINUS_1;
552 static const TypeInt *ZERO;
553 static const TypeInt *ONE;
554 static const TypeInt *BOOL;
555 static const TypeInt *CC;
556 static const TypeInt *CC_LT; // [-1] == MINUS_1
557 static const TypeInt *CC_GT; // [1] == ONE
558 static const TypeInt *CC_EQ; // [0] == ZERO
559 static const TypeInt *CC_LE; // [-1,0]
560 static const TypeInt *CC_GE; // [0,1] == BOOL (!)
561 static const TypeInt *BYTE;
562 static const TypeInt *UBYTE;
563 static const TypeInt *CHAR;
564 static const TypeInt *SHORT;
565 static const TypeInt *POS;
566 static const TypeInt *POS1;
567 static const TypeInt *INT;
568 static const TypeInt *SYMINT; // symmetric range [-max_jint..max_jint]
569 static const TypeInt *TYPE_DOMAIN; // alias for TypeInt::INT
570
571 static const TypeInt *as_self(const Type *t) { return t->is_int(); }
572 #ifndef PRODUCT
573 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
574 #endif
575 };
576
577
578 //------------------------------TypeLong---------------------------------------
579 // Class of long integer ranges, the set of integers between a lower bound and
580 // an upper bound, inclusive.
581 class TypeLong : public Type {
582 TypeLong( jlong lo, jlong hi, int w );
583 protected:
584 // Do not kill _widen bits.
585 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
586 public:
587 typedef jlong NativeType;
588 virtual bool eq( const Type *t ) const;
589 virtual int hash() const; // Type specific hashing
590 virtual bool singleton(void) const; // TRUE if type is a singleton
591 virtual bool empty(void) const; // TRUE if type is vacuous
592 public:
593 const jlong _lo, _hi; // Lower bound, upper bound
594 const short _widen; // Limit on times we widen this sucker
595
596 static const TypeLong *make(jlong lo);
597 // must always specify w
598 static const TypeLong *make(jlong lo, jlong hi, int w);
599
600 // Check for single integer
601 int is_con() const { return _lo==_hi; }
602 bool is_con(int i) const { return is_con() && _lo == i; }
603 jlong get_con() const { assert( is_con(), "" ); return _lo; }
604
605 // Check for positive 32-bit value.
606 int is_positive_int() const { return _lo >= 0 && _hi <= (jlong)max_jint; }
607
608 virtual bool is_finite() const; // Has a finite value
609
610
611 virtual const Type *xmeet( const Type *t ) const;
612 virtual const Type *xdual() const; // Compute dual right now.
613 virtual const Type *widen( const Type *t, const Type* limit_type ) const;
614 virtual const Type *narrow( const Type *t ) const;
615 // Convenience common pre-built types.
616 static const TypeLong *MINUS_1;
617 static const TypeLong *ZERO;
618 static const TypeLong *ONE;
619 static const TypeLong *POS;
620 static const TypeLong *LONG;
621 static const TypeLong *INT; // 32-bit subrange [min_jint..max_jint]
622 static const TypeLong *UINT; // 32-bit unsigned [0..max_juint]
623 static const TypeLong *TYPE_DOMAIN; // alias for TypeLong::LONG
624
625 // static convenience methods.
626 static const TypeLong *as_self(const Type *t) { return t->is_long(); }
627
628 #ifndef PRODUCT
629 virtual void dump2( Dict &d, uint, outputStream *st ) const;// Specialized per-Type dumping
630 #endif
631 };
632
633 //------------------------------TypeTuple--------------------------------------
634 // Class of Tuple Types, essentially type collections for function signatures
635 // and class layouts. It happens to also be a fast cache for the HotSpot
636 // signature types.
637 class TypeTuple : public Type {
638 TypeTuple( uint cnt, const Type **fields ) : Type(Tuple), _cnt(cnt), _fields(fields) { }
639
640 const uint _cnt; // Count of fields
641 const Type ** const _fields; // Array of field types
642
643 public:
644 virtual bool eq( const Type *t ) const;
645 virtual int hash() const; // Type specific hashing
646 virtual bool singleton(void) const; // TRUE if type is a singleton
647 virtual bool empty(void) const; // TRUE if type is vacuous
648
649 // Accessors:
650 uint cnt() const { return _cnt; }
651 const Type* field_at(uint i) const {
652 assert(i < _cnt, "oob");
653 return _fields[i];
654 }
655 void set_field_at(uint i, const Type* t) {
656 assert(i < _cnt, "oob");
657 _fields[i] = t;
658 }
659
660 static const TypeTuple *make( uint cnt, const Type **fields );
661 static const TypeTuple *make_range(ciSignature *sig);
662 static const TypeTuple *make_domain(ciInstanceKlass* recv, ciSignature *sig);
663
664 // Subroutine call type with space allocated for argument types
665 // Memory for Control, I_O, Memory, FramePtr, and ReturnAdr is allocated implicitly
666 static const Type **fields( uint arg_cnt );
667
668 virtual const Type *xmeet( const Type *t ) const;
669 virtual const Type *xdual() const; // Compute dual right now.
670 // Convenience common pre-built types.
671 static const TypeTuple *IFBOTH;
672 static const TypeTuple *IFFALSE;
673 static const TypeTuple *IFTRUE;
674 static const TypeTuple *IFNEITHER;
675 static const TypeTuple *LOOPBODY;
676 static const TypeTuple *MEMBAR;
677 static const TypeTuple *STORECONDITIONAL;
678 static const TypeTuple *START_I2C;
679 static const TypeTuple *INT_PAIR;
680 static const TypeTuple *LONG_PAIR;
681 static const TypeTuple *INT_CC_PAIR;
682 static const TypeTuple *LONG_CC_PAIR;
683 #ifndef PRODUCT
684 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping
685 #endif
686 };
687
688 //------------------------------TypeAry----------------------------------------
689 // Class of Array Types
690 class TypeAry : public Type {
691 TypeAry(const Type* elem, const TypeInt* size, bool stable) : Type(Array),
692 _elem(elem), _size(size), _stable(stable) {}
693 public:
694 virtual bool eq( const Type *t ) const;
695 virtual int hash() const; // Type specific hashing
696 virtual bool singleton(void) const; // TRUE if type is a singleton
697 virtual bool empty(void) const; // TRUE if type is vacuous
698
699 private:
700 const Type *_elem; // Element type of array
701 const TypeInt *_size; // Elements in array
702 const bool _stable; // Are elements @Stable?
703 friend class TypeAryPtr;
704
705 public:
706 static const TypeAry* make(const Type* elem, const TypeInt* size, bool stable = false);
707
708 virtual const Type *xmeet( const Type *t ) const;
709 virtual const Type *xdual() const; // Compute dual right now.
710 bool ary_must_be_exact() const; // true if arrays of such are never generic
711 virtual const Type* remove_speculative() const;
712 virtual const Type* cleanup_speculative() const;
713 #ifdef ASSERT
714 // One type is interface, the other is oop
715 virtual bool interface_vs_oop(const Type *t) const;
716 #endif
717 #ifndef PRODUCT
718 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping
719 #endif
720 };
721
722 //------------------------------TypeVect---------------------------------------
723 // Class of Vector Types
724 class TypeVect : public Type {
725 const Type* _elem; // Vector's element type
726 const uint _length; // Elements in vector (power of 2)
727
728 protected:
729 TypeVect(TYPES t, const Type* elem, uint length) : Type(t),
730 _elem(elem), _length(length) {}
731
732 public:
733 const Type* element_type() const { return _elem; }
734 BasicType element_basic_type() const { return _elem->array_element_basic_type(); }
735 uint length() const { return _length; }
736 uint length_in_bytes() const {
737 return _length * type2aelembytes(element_basic_type());
738 }
739
740 virtual bool eq(const Type *t) const;
741 virtual int hash() const; // Type specific hashing
742 virtual bool singleton(void) const; // TRUE if type is a singleton
743 virtual bool empty(void) const; // TRUE if type is vacuous
744
745 static const TypeVect *make(const BasicType elem_bt, uint length) {
746 // Use bottom primitive type.
747 return make(get_const_basic_type(elem_bt), length);
748 }
749 // Used directly by Replicate nodes to construct singleton vector.
750 static const TypeVect *make(const Type* elem, uint length);
751
752 virtual const Type *xmeet( const Type *t) const;
753 virtual const Type *xdual() const; // Compute dual right now.
754
755 static const TypeVect *VECTS;
756 static const TypeVect *VECTD;
757 static const TypeVect *VECTX;
758 static const TypeVect *VECTY;
759 static const TypeVect *VECTZ;
760
761 #ifndef PRODUCT
762 virtual void dump2(Dict &d, uint, outputStream *st) const; // Specialized per-Type dumping
763 #endif
764 };
765
766 class TypeVectS : public TypeVect {
767 friend class TypeVect;
768 TypeVectS(const Type* elem, uint length) : TypeVect(VectorS, elem, length) {}
769 };
770
771 class TypeVectD : public TypeVect {
772 friend class TypeVect;
773 TypeVectD(const Type* elem, uint length) : TypeVect(VectorD, elem, length) {}
774 };
775
776 class TypeVectX : public TypeVect {
777 friend class TypeVect;
778 TypeVectX(const Type* elem, uint length) : TypeVect(VectorX, elem, length) {}
779 };
780
781 class TypeVectY : public TypeVect {
782 friend class TypeVect;
783 TypeVectY(const Type* elem, uint length) : TypeVect(VectorY, elem, length) {}
784 };
785
786 class TypeVectZ : public TypeVect {
787 friend class TypeVect;
788 TypeVectZ(const Type* elem, uint length) : TypeVect(VectorZ, elem, length) {}
789 };
790
791 //------------------------------TypePtr----------------------------------------
792 // Class of machine Pointer Types: raw data, instances or arrays.
793 // If the _base enum is AnyPtr, then this refers to all of the above.
794 // Otherwise the _base will indicate which subset of pointers is affected,
795 // and the class will be inherited from.
796 class TypePtr : public Type {
797 friend class TypeNarrowPtr;
798 public:
799 enum PTR { TopPTR, AnyNull, Constant, Null, NotNull, BotPTR, lastPTR };
800 protected:
801 TypePtr(TYPES t, PTR ptr, int offset,
802 const TypePtr* speculative = NULL,
803 int inline_depth = InlineDepthBottom) :
804 Type(t), _ptr(ptr), _offset(offset), _speculative(speculative),
805 _inline_depth(inline_depth) {}
806 static const PTR ptr_meet[lastPTR][lastPTR];
807 static const PTR ptr_dual[lastPTR];
808 static const char * const ptr_msg[lastPTR];
809
810 enum {
811 InlineDepthBottom = INT_MAX,
812 InlineDepthTop = -InlineDepthBottom
813 };
814
815 // Extra type information profiling gave us. We propagate it the
816 // same way the rest of the type info is propagated. If we want to
817 // use it, then we have to emit a guard: this part of the type is
818 // not something we know but something we speculate about the type.
819 const TypePtr* _speculative;
820 // For speculative types, we record at what inlining depth the
821 // profiling point that provided the data is. We want to favor
822 // profile data coming from outer scopes which are likely better for
823 // the current compilation.
824 int _inline_depth;
825
826 // utility methods to work on the speculative part of the type
827 const TypePtr* dual_speculative() const;
828 const TypePtr* xmeet_speculative(const TypePtr* other) const;
829 bool eq_speculative(const TypePtr* other) const;
830 int hash_speculative() const;
831 const TypePtr* add_offset_speculative(intptr_t offset) const;
832 #ifndef PRODUCT
833 void dump_speculative(outputStream *st) const;
834 #endif
835
836 // utility methods to work on the inline depth of the type
837 int dual_inline_depth() const;
838 int meet_inline_depth(int depth) const;
839 #ifndef PRODUCT
840 void dump_inline_depth(outputStream *st) const;
841 #endif
842
843 public:
844 const int _offset; // Offset into oop, with TOP & BOT
845 const PTR _ptr; // Pointer equivalence class
846
847 const int offset() const { return _offset; }
848 const PTR ptr() const { return _ptr; }
849
850 static const TypePtr *make(TYPES t, PTR ptr, int offset,
851 const TypePtr* speculative = NULL,
852 int inline_depth = InlineDepthBottom);
853
854 // Return a 'ptr' version of this type
855 virtual const Type *cast_to_ptr_type(PTR ptr) const;
856
857 virtual intptr_t get_con() const;
858
859 int xadd_offset( intptr_t offset ) const;
860 virtual const TypePtr *add_offset( intptr_t offset ) const;
861 virtual bool eq(const Type *t) const;
862 virtual int hash() const; // Type specific hashing
863
864 virtual bool singleton(void) const; // TRUE if type is a singleton
865 virtual bool empty(void) const; // TRUE if type is vacuous
866 virtual const Type *xmeet( const Type *t ) const;
867 virtual const Type *xmeet_helper( const Type *t ) const;
868 int meet_offset( int offset ) const;
869 int dual_offset( ) const;
870 virtual const Type *xdual() const; // Compute dual right now.
871
872 // meet, dual and join over pointer equivalence sets
873 PTR meet_ptr( const PTR in_ptr ) const { return ptr_meet[in_ptr][ptr()]; }
874 PTR dual_ptr() const { return ptr_dual[ptr()]; }
875
876 // This is textually confusing unless one recalls that
877 // join(t) == dual()->meet(t->dual())->dual().
878 PTR join_ptr( const PTR in_ptr ) const {
879 return ptr_dual[ ptr_meet[ ptr_dual[in_ptr] ] [ dual_ptr() ] ];
880 }
881
882 // Speculative type helper methods.
883 virtual const TypePtr* speculative() const { return _speculative; }
884 int inline_depth() const { return _inline_depth; }
885 virtual ciKlass* speculative_type() const;
886 virtual ciKlass* speculative_type_not_null() const;
887 virtual bool speculative_maybe_null() const;
888 virtual const Type* remove_speculative() const;
889 virtual const Type* cleanup_speculative() const;
890 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const;
891 virtual bool would_improve_ptr(bool maybe_null) const;
892 virtual const TypePtr* with_inline_depth(int depth) const;
893
894 virtual bool maybe_null() const { return meet_ptr(Null) == ptr(); }
895
896 // Tests for relation to centerline of type lattice:
897 static bool above_centerline(PTR ptr) { return (ptr <= AnyNull); }
898 static bool below_centerline(PTR ptr) { return (ptr >= NotNull); }
899 // Convenience common pre-built types.
900 static const TypePtr *NULL_PTR;
901 static const TypePtr *NOTNULL;
902 static const TypePtr *BOTTOM;
903 #ifndef PRODUCT
904 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
905 #endif
906 };
907
908 //------------------------------TypeRawPtr-------------------------------------
909 // Class of raw pointers, pointers to things other than Oops. Examples
910 // include the stack pointer, top of heap, card-marking area, handles, etc.
911 class TypeRawPtr : public TypePtr {
912 protected:
913 TypeRawPtr( PTR ptr, address bits ) : TypePtr(RawPtr,ptr,0), _bits(bits){}
914 public:
915 virtual bool eq( const Type *t ) const;
916 virtual int hash() const; // Type specific hashing
917
918 const address _bits; // Constant value, if applicable
919
920 static const TypeRawPtr *make( PTR ptr );
921 static const TypeRawPtr *make( address bits );
922
923 // Return a 'ptr' version of this type
924 virtual const Type *cast_to_ptr_type(PTR ptr) const;
925
926 virtual intptr_t get_con() const;
927
928 virtual const TypePtr *add_offset( intptr_t offset ) const;
929
930 virtual const Type *xmeet( const Type *t ) const;
931 virtual const Type *xdual() const; // Compute dual right now.
932 // Convenience common pre-built types.
933 static const TypeRawPtr *BOTTOM;
934 static const TypeRawPtr *NOTNULL;
935 #ifndef PRODUCT
936 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
937 #endif
938 };
939
940 //------------------------------TypeOopPtr-------------------------------------
941 // Some kind of oop (Java pointer), either instance or array.
942 class TypeOopPtr : public TypePtr {
943 protected:
944 TypeOopPtr(TYPES t, PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id,
945 const TypePtr* speculative, int inline_depth);
946 public:
947 virtual bool eq( const Type *t ) const;
948 virtual int hash() const; // Type specific hashing
949 virtual bool singleton(void) const; // TRUE if type is a singleton
950 enum {
951 InstanceTop = -1, // undefined instance
952 InstanceBot = 0 // any possible instance
953 };
954 protected:
955
956 // Oop is NULL, unless this is a constant oop.
957 ciObject* _const_oop; // Constant oop
958 // If _klass is NULL, then so is _sig. This is an unloaded klass.
959 ciKlass* _klass; // Klass object
960 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.)
961 bool _klass_is_exact;
962 bool _is_ptr_to_narrowoop;
963 bool _is_ptr_to_narrowklass;
964 bool _is_ptr_to_boxed_value;
965
966 // If not InstanceTop or InstanceBot, indicates that this is
967 // a particular instance of this type which is distinct.
968 // This is the node index of the allocation node creating this instance.
969 int _instance_id;
970
971 static const TypeOopPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact);
972
973 int dual_instance_id() const;
974 int meet_instance_id(int uid) const;
975
976 // Do not allow interface-vs.-noninterface joins to collapse to top.
977 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
978
979 public:
980 // Creates a type given a klass. Correctly handles multi-dimensional arrays
981 // Respects UseUniqueSubclasses.
982 // If the klass is final, the resulting type will be exact.
983 static const TypeOopPtr* make_from_klass(ciKlass* klass) {
984 return make_from_klass_common(klass, true, false);
985 }
986 // Same as before, but will produce an exact type, even if
987 // the klass is not final, as long as it has exactly one implementation.
988 static const TypeOopPtr* make_from_klass_unique(ciKlass* klass) {
989 return make_from_klass_common(klass, true, true);
990 }
991 // Same as before, but does not respects UseUniqueSubclasses.
992 // Use this only for creating array element types.
993 static const TypeOopPtr* make_from_klass_raw(ciKlass* klass) {
994 return make_from_klass_common(klass, false, false);
995 }
996 // Creates a singleton type given an object.
997 // If the object cannot be rendered as a constant,
998 // may return a non-singleton type.
999 // If require_constant, produce a NULL if a singleton is not possible.
1000 static const TypeOopPtr* make_from_constant(ciObject* o,
1001 bool require_constant = false);
1002
1003 // Make a generic (unclassed) pointer to an oop.
1004 static const TypeOopPtr* make(PTR ptr, int offset, int instance_id,
1005 const TypePtr* speculative = NULL,
1006 int inline_depth = InlineDepthBottom);
1007
1008 ciObject* const_oop() const { return _const_oop; }
1009 virtual ciKlass* klass() const { return _klass; }
1010 bool klass_is_exact() const { return _klass_is_exact; }
1011
1012 // Returns true if this pointer points at memory which contains a
1013 // compressed oop references.
1014 bool is_ptr_to_narrowoop_nv() const { return _is_ptr_to_narrowoop; }
1015 bool is_ptr_to_narrowklass_nv() const { return _is_ptr_to_narrowklass; }
1016 bool is_ptr_to_boxed_value() const { return _is_ptr_to_boxed_value; }
1017 bool is_known_instance() const { return _instance_id > 0; }
1018 int instance_id() const { return _instance_id; }
1019 bool is_known_instance_field() const { return is_known_instance() && _offset >= 0; }
1020
1021 virtual intptr_t get_con() const;
1022
1023 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1024
1025 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
1026
1027 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
1028
1029 // corresponding pointer to klass, for a given instance
1030 const TypeKlassPtr* as_klass_type() const;
1031
1032 virtual const TypePtr *add_offset( intptr_t offset ) const;
1033
1034 // Speculative type helper methods.
1035 virtual const Type* remove_speculative() const;
1036 virtual const Type* cleanup_speculative() const;
1037 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const;
1038 virtual const TypePtr* with_inline_depth(int depth) const;
1039
1040 virtual const Type *xdual() const; // Compute dual right now.
1041 // the core of the computation of the meet for TypeOopPtr and for its subclasses
1042 virtual const Type *xmeet_helper(const Type *t) const;
1043
1044 // Convenience common pre-built type.
1045 static const TypeOopPtr *BOTTOM;
1046 #ifndef PRODUCT
1047 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1048 #endif
1049 };
1050
1051 //------------------------------TypeInstPtr------------------------------------
1052 // Class of Java object pointers, pointing either to non-array Java instances
1053 // or to a Klass* (including array klasses).
1054 class TypeInstPtr : public TypeOopPtr {
1055 TypeInstPtr(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id,
1056 const TypePtr* speculative, int inline_depth);
1057 virtual bool eq( const Type *t ) const;
1058 virtual int hash() const; // Type specific hashing
1059
1060 ciSymbol* _name; // class name
1061
1062 public:
1063 ciSymbol* name() const { return _name; }
1064
1065 bool is_loaded() const { return _klass->is_loaded(); }
1066
1067 // Make a pointer to a constant oop.
1068 static const TypeInstPtr *make(ciObject* o) {
1069 return make(TypePtr::Constant, o->klass(), true, o, 0, InstanceBot);
1070 }
1071 // Make a pointer to a constant oop with offset.
1072 static const TypeInstPtr *make(ciObject* o, int offset) {
1073 return make(TypePtr::Constant, o->klass(), true, o, offset, InstanceBot);
1074 }
1075
1076 // Make a pointer to some value of type klass.
1077 static const TypeInstPtr *make(PTR ptr, ciKlass* klass) {
1078 return make(ptr, klass, false, NULL, 0, InstanceBot);
1079 }
1080
1081 // Make a pointer to some non-polymorphic value of exactly type klass.
1082 static const TypeInstPtr *make_exact(PTR ptr, ciKlass* klass) {
1083 return make(ptr, klass, true, NULL, 0, InstanceBot);
1084 }
1085
1086 // Make a pointer to some value of type klass with offset.
1087 static const TypeInstPtr *make(PTR ptr, ciKlass* klass, int offset) {
1088 return make(ptr, klass, false, NULL, offset, InstanceBot);
1089 }
1090
1091 // Make a pointer to an oop.
1092 static const TypeInstPtr *make(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset,
1093 int instance_id = InstanceBot,
1094 const TypePtr* speculative = NULL,
1095 int inline_depth = InlineDepthBottom);
1096
1097 /** Create constant type for a constant boxed value */
1098 const Type* get_const_boxed_value() const;
1099
1100 // If this is a java.lang.Class constant, return the type for it or NULL.
1101 // Pass to Type::get_const_type to turn it to a type, which will usually
1102 // be a TypeInstPtr, but may also be a TypeInt::INT for int.class, etc.
1103 ciType* java_mirror_type() const;
1104
1105 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1106
1107 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
1108
1109 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
1110
1111 virtual const TypePtr *add_offset( intptr_t offset ) const;
1112
1113 // Speculative type helper methods.
1114 virtual const Type* remove_speculative() const;
1115 virtual const TypePtr* with_inline_depth(int depth) const;
1116
1117 // the core of the computation of the meet of 2 types
1118 virtual const Type *xmeet_helper(const Type *t) const;
1119 virtual const TypeInstPtr *xmeet_unloaded( const TypeInstPtr *t ) const;
1120 virtual const Type *xdual() const; // Compute dual right now.
1121
1122 // Convenience common pre-built types.
1123 static const TypeInstPtr *NOTNULL;
1124 static const TypeInstPtr *BOTTOM;
1125 static const TypeInstPtr *MIRROR;
1126 static const TypeInstPtr *MARK;
1127 static const TypeInstPtr *KLASS;
1128 #ifndef PRODUCT
1129 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1130 #endif
1131 };
1132
1133 //------------------------------TypeAryPtr-------------------------------------
1134 // Class of Java array pointers
1135 class TypeAryPtr : public TypeOopPtr {
1136 TypeAryPtr( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk,
1137 int offset, int instance_id, bool is_autobox_cache,
1138 const TypePtr* speculative, int inline_depth)
1139 : TypeOopPtr(AryPtr,ptr,k,xk,o,offset, instance_id, speculative, inline_depth),
1140 _ary(ary),
1141 _is_autobox_cache(is_autobox_cache)
1142 {
1143 #ifdef ASSERT
1144 if (k != NULL) {
1145 // Verify that specified klass and TypeAryPtr::klass() follow the same rules.
1146 ciKlass* ck = compute_klass(true);
1147 if (k != ck) {
1148 this->dump(); tty->cr();
1149 tty->print(" k: ");
1150 k->print(); tty->cr();
1151 tty->print("ck: ");
1152 if (ck != NULL) ck->print();
1153 else tty->print("<NULL>");
1154 tty->cr();
1155 assert(false, "unexpected TypeAryPtr::_klass");
1156 }
1157 }
1158 #endif
1159 }
1160 virtual bool eq( const Type *t ) const;
1161 virtual int hash() const; // Type specific hashing
1162 const TypeAry *_ary; // Array we point into
1163 const bool _is_autobox_cache;
1164
1165 ciKlass* compute_klass(DEBUG_ONLY(bool verify = false)) const;
1166
1167 public:
1168 // Accessors
1169 ciKlass* klass() const;
1170 const TypeAry* ary() const { return _ary; }
1171 const Type* elem() const { return _ary->_elem; }
1172 const TypeInt* size() const { return _ary->_size; }
1173 bool is_stable() const { return _ary->_stable; }
1174
1175 bool is_autobox_cache() const { return _is_autobox_cache; }
1176
1177 static const TypeAryPtr *make(PTR ptr, const TypeAry *ary, ciKlass* k, bool xk, int offset,
1178 int instance_id = InstanceBot,
1179 const TypePtr* speculative = NULL,
1180 int inline_depth = InlineDepthBottom);
1181 // Constant pointer to array
1182 static const TypeAryPtr *make(PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset,
1183 int instance_id = InstanceBot,
1184 const TypePtr* speculative = NULL,
1185 int inline_depth = InlineDepthBottom, bool is_autobox_cache = false);
1186
1187 // Return a 'ptr' version of this type
1188 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1189
1190 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
1191
1192 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
1193
1194 virtual const TypeAryPtr* cast_to_size(const TypeInt* size) const;
1195 virtual const TypeInt* narrow_size_type(const TypeInt* size) const;
1196
1197 virtual bool empty(void) const; // TRUE if type is vacuous
1198 virtual const TypePtr *add_offset( intptr_t offset ) const;
1199
1200 // Speculative type helper methods.
1201 virtual const Type* remove_speculative() const;
1202 virtual const TypePtr* with_inline_depth(int depth) const;
1203
1204 // the core of the computation of the meet of 2 types
1205 virtual const Type *xmeet_helper(const Type *t) const;
1206 virtual const Type *xdual() const; // Compute dual right now.
1207
1208 const TypeAryPtr* cast_to_stable(bool stable, int stable_dimension = 1) const;
1209 int stable_dimension() const;
1210
1211 const TypeAryPtr* cast_to_autobox_cache(bool cache) const;
1212
1213 // Convenience common pre-built types.
1214 static const TypeAryPtr *RANGE;
1215 static const TypeAryPtr *OOPS;
1216 static const TypeAryPtr *NARROWOOPS;
1217 static const TypeAryPtr *BYTES;
1218 static const TypeAryPtr *SHORTS;
1219 static const TypeAryPtr *CHARS;
1220 static const TypeAryPtr *INTS;
1221 static const TypeAryPtr *LONGS;
1222 static const TypeAryPtr *FLOATS;
1223 static const TypeAryPtr *DOUBLES;
1224 // selects one of the above:
1225 static const TypeAryPtr *get_array_body_type(BasicType elem) {
1226 assert((uint)elem <= T_CONFLICT && _array_body_type[elem] != NULL, "bad elem type");
1227 return _array_body_type[elem];
1228 }
1229 static const TypeAryPtr *_array_body_type[T_CONFLICT+1];
1230 // sharpen the type of an int which is used as an array size
1231 #ifdef ASSERT
1232 // One type is interface, the other is oop
1233 virtual bool interface_vs_oop(const Type *t) const;
1234 #endif
1235 #ifndef PRODUCT
1236 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1237 #endif
1238 };
1239
1240 //------------------------------TypeMetadataPtr-------------------------------------
1241 // Some kind of metadata, either Method*, MethodData* or CPCacheOop
1242 class TypeMetadataPtr : public TypePtr {
1243 protected:
1244 TypeMetadataPtr(PTR ptr, ciMetadata* metadata, int offset);
1245 // Do not allow interface-vs.-noninterface joins to collapse to top.
1246 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1247 public:
1248 virtual bool eq( const Type *t ) const;
1249 virtual int hash() const; // Type specific hashing
1250 virtual bool singleton(void) const; // TRUE if type is a singleton
1251
1252 private:
1253 ciMetadata* _metadata;
1254
1255 public:
1256 static const TypeMetadataPtr* make(PTR ptr, ciMetadata* m, int offset);
1257
1258 static const TypeMetadataPtr* make(ciMethod* m);
1259 static const TypeMetadataPtr* make(ciMethodData* m);
1260
1261 ciMetadata* metadata() const { return _metadata; }
1262
1263 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1264
1265 virtual const TypePtr *add_offset( intptr_t offset ) const;
1266
1267 virtual const Type *xmeet( const Type *t ) const;
1268 virtual const Type *xdual() const; // Compute dual right now.
1269
1270 virtual intptr_t get_con() const;
1271
1272 // Convenience common pre-built types.
1273 static const TypeMetadataPtr *BOTTOM;
1274
1275 #ifndef PRODUCT
1276 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1277 #endif
1278 };
1279
1280 //------------------------------TypeKlassPtr-----------------------------------
1281 // Class of Java Klass pointers
1282 class TypeKlassPtr : public TypePtr {
1283 TypeKlassPtr( PTR ptr, ciKlass* klass, int offset );
1284
1285 protected:
1286 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1287 public:
1288 virtual bool eq( const Type *t ) const;
1289 virtual int hash() const; // Type specific hashing
1290 virtual bool singleton(void) const; // TRUE if type is a singleton
1291 private:
1292
1293 static const TypeKlassPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact);
1294
1295 ciKlass* _klass;
1296
1297 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.)
1298 bool _klass_is_exact;
1299
1300 public:
1301 ciSymbol* name() const { return klass()->name(); }
1302
1303 ciKlass* klass() const { return _klass; }
1304 bool klass_is_exact() const { return _klass_is_exact; }
1305
1306 bool is_loaded() const { return klass()->is_loaded(); }
1307
1308 // Creates a type given a klass. Correctly handles multi-dimensional arrays
1309 // Respects UseUniqueSubclasses.
1310 // If the klass is final, the resulting type will be exact.
1311 static const TypeKlassPtr* make_from_klass(ciKlass* klass) {
1312 return make_from_klass_common(klass, true, false);
1313 }
1314 // Same as before, but will produce an exact type, even if
1315 // the klass is not final, as long as it has exactly one implementation.
1316 static const TypeKlassPtr* make_from_klass_unique(ciKlass* klass) {
1317 return make_from_klass_common(klass, true, true);
1318 }
1319 // Same as before, but does not respects UseUniqueSubclasses.
1320 // Use this only for creating array element types.
1321 static const TypeKlassPtr* make_from_klass_raw(ciKlass* klass) {
1322 return make_from_klass_common(klass, false, false);
1323 }
1324
1325 // Make a generic (unclassed) pointer to metadata.
1326 static const TypeKlassPtr* make(PTR ptr, int offset);
1327
1328 // ptr to klass 'k'
1329 static const TypeKlassPtr *make( ciKlass* k ) { return make( TypePtr::Constant, k, 0); }
1330 // ptr to klass 'k' with offset
1331 static const TypeKlassPtr *make( ciKlass* k, int offset ) { return make( TypePtr::Constant, k, offset); }
1332 // ptr to klass 'k' or sub-klass
1333 static const TypeKlassPtr *make( PTR ptr, ciKlass* k, int offset);
1334
1335 virtual const Type *cast_to_ptr_type(PTR ptr) const;
1336
1337 virtual const Type *cast_to_exactness(bool klass_is_exact) const;
1338
1339 // corresponding pointer to instance, for a given class
1340 const TypeOopPtr* as_instance_type() const;
1341
1342 virtual const TypePtr *add_offset( intptr_t offset ) const;
1343 virtual const Type *xmeet( const Type *t ) const;
1344 virtual const Type *xdual() const; // Compute dual right now.
1345
1346 virtual intptr_t get_con() const;
1347
1348 // Convenience common pre-built types.
1349 static const TypeKlassPtr* OBJECT; // Not-null object klass or below
1350 static const TypeKlassPtr* OBJECT_OR_NULL; // Maybe-null version of same
1351 #ifndef PRODUCT
1352 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1353 #endif
1354 };
1355
1356 class TypeNarrowPtr : public Type {
1357 protected:
1358 const TypePtr* _ptrtype; // Could be TypePtr::NULL_PTR
1359
1360 TypeNarrowPtr(TYPES t, const TypePtr* ptrtype): _ptrtype(ptrtype),
1361 Type(t) {
1362 assert(ptrtype->offset() == 0 ||
1363 ptrtype->offset() == OffsetBot ||
1364 ptrtype->offset() == OffsetTop, "no real offsets");
1365 }
1366
1367 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const = 0;
1368 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const = 0;
1369 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const = 0;
1370 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const = 0;
1371 // Do not allow interface-vs.-noninterface joins to collapse to top.
1372 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1373 public:
1374 virtual bool eq( const Type *t ) const;
1375 virtual int hash() const; // Type specific hashing
1376 virtual bool singleton(void) const; // TRUE if type is a singleton
1377
1378 virtual const Type *xmeet( const Type *t ) const;
1379 virtual const Type *xdual() const; // Compute dual right now.
1380
1381 virtual intptr_t get_con() const;
1382
1383 virtual bool empty(void) const; // TRUE if type is vacuous
1384
1385 // returns the equivalent ptr type for this compressed pointer
1386 const TypePtr *get_ptrtype() const {
1387 return _ptrtype;
1388 }
1389
1390 #ifndef PRODUCT
1391 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1392 #endif
1393 };
1394
1395 //------------------------------TypeNarrowOop----------------------------------
1396 // A compressed reference to some kind of Oop. This type wraps around
1397 // a preexisting TypeOopPtr and forwards most of it's operations to
1398 // the underlying type. It's only real purpose is to track the
1399 // oopness of the compressed oop value when we expose the conversion
1400 // between the normal and the compressed form.
1401 class TypeNarrowOop : public TypeNarrowPtr {
1402 protected:
1403 TypeNarrowOop( const TypePtr* ptrtype): TypeNarrowPtr(NarrowOop, ptrtype) {
1404 }
1405
1406 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const {
1407 return t->isa_narrowoop();
1408 }
1409
1410 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const {
1411 return t->is_narrowoop();
1412 }
1413
1414 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const {
1415 return new TypeNarrowOop(t);
1416 }
1417
1418 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const {
1419 return (const TypeNarrowPtr*)((new TypeNarrowOop(t))->hashcons());
1420 }
1421
1422 public:
1423
1424 static const TypeNarrowOop *make( const TypePtr* type);
1425
1426 static const TypeNarrowOop* make_from_constant(ciObject* con, bool require_constant = false) {
1427 return make(TypeOopPtr::make_from_constant(con, require_constant));
1428 }
1429
1430 static const TypeNarrowOop *BOTTOM;
1431 static const TypeNarrowOop *NULL_PTR;
1432
1433 virtual const Type* remove_speculative() const;
1434 virtual const Type* cleanup_speculative() const;
1435
1436 #ifndef PRODUCT
1437 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1438 #endif
1439 };
1440
1441 //------------------------------TypeNarrowKlass----------------------------------
1442 // A compressed reference to klass pointer. This type wraps around a
1443 // preexisting TypeKlassPtr and forwards most of it's operations to
1444 // the underlying type.
1445 class TypeNarrowKlass : public TypeNarrowPtr {
1446 protected:
1447 TypeNarrowKlass( const TypePtr* ptrtype): TypeNarrowPtr(NarrowKlass, ptrtype) {
1448 }
1449
1450 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const {
1451 return t->isa_narrowklass();
1452 }
1453
1454 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const {
1455 return t->is_narrowklass();
1456 }
1457
1458 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const {
1459 return new TypeNarrowKlass(t);
1460 }
1461
1462 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const {
1463 return (const TypeNarrowPtr*)((new TypeNarrowKlass(t))->hashcons());
1464 }
1465
1466 public:
1467 static const TypeNarrowKlass *make( const TypePtr* type);
1468
1469 // static const TypeNarrowKlass *BOTTOM;
1470 static const TypeNarrowKlass *NULL_PTR;
1471
1472 #ifndef PRODUCT
1473 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1474 #endif
1475 };
1476
1477 //------------------------------TypeFunc---------------------------------------
1478 // Class of Array Types
1479 class TypeFunc : public Type {
1480 TypeFunc( const TypeTuple *domain, const TypeTuple *range ) : Type(Function), _domain(domain), _range(range) {}
1481 virtual bool eq( const Type *t ) const;
1482 virtual int hash() const; // Type specific hashing
1483 virtual bool singleton(void) const; // TRUE if type is a singleton
1484 virtual bool empty(void) const; // TRUE if type is vacuous
1485
1486 const TypeTuple* const _domain; // Domain of inputs
1487 const TypeTuple* const _range; // Range of results
1488
1489 public:
1490 // Constants are shared among ADLC and VM
1491 enum { Control = AdlcVMDeps::Control,
1492 I_O = AdlcVMDeps::I_O,
1493 Memory = AdlcVMDeps::Memory,
1494 FramePtr = AdlcVMDeps::FramePtr,
1495 ReturnAdr = AdlcVMDeps::ReturnAdr,
1496 Parms = AdlcVMDeps::Parms
1497 };
1498
1499
1500 // Accessors:
1501 const TypeTuple* domain() const { return _domain; }
1502 const TypeTuple* range() const { return _range; }
1503
1504 static const TypeFunc *make(ciMethod* method);
1505 static const TypeFunc *make(ciSignature signature, const Type* extra);
1506 static const TypeFunc *make(const TypeTuple* domain, const TypeTuple* range);
1507
1508 virtual const Type *xmeet( const Type *t ) const;
1509 virtual const Type *xdual() const; // Compute dual right now.
1510
1511 BasicType return_type() const;
1512
1513 #ifndef PRODUCT
1514 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1515 #endif
1516 // Convenience common pre-built types.
1517 };
1518
1519 //------------------------------accessors--------------------------------------
1520 inline bool Type::is_ptr_to_narrowoop() const {
1521 #ifdef _LP64
1522 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowoop_nv());
1523 #else
1524 return false;
1525 #endif
1526 }
1527
1528 inline bool Type::is_ptr_to_narrowklass() const {
1529 #ifdef _LP64
1530 return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowklass_nv());
1531 #else
1532 return false;
1533 #endif
1534 }
1535
1536 inline float Type::getf() const {
1537 assert( _base == FloatCon, "Not a FloatCon" );
1538 return ((TypeF*)this)->_f;
1539 }
1540
1541 inline double Type::getd() const {
1542 assert( _base == DoubleCon, "Not a DoubleCon" );
1543 return ((TypeD*)this)->_d;
1544 }
1545
1546 inline const TypeInt *Type::is_int() const {
1547 assert( _base == Int, "Not an Int" );
1548 return (TypeInt*)this;
1549 }
1550
1551 inline const TypeInt *Type::isa_int() const {
1552 return ( _base == Int ? (TypeInt*)this : NULL);
1553 }
1554
1555 inline const TypeLong *Type::is_long() const {
1556 assert( _base == Long, "Not a Long" );
1557 return (TypeLong*)this;
1558 }
1559
1560 inline const TypeLong *Type::isa_long() const {
1561 return ( _base == Long ? (TypeLong*)this : NULL);
1562 }
1563
1564 inline const TypeF *Type::isa_float() const {
1565 return ((_base == FloatTop ||
1566 _base == FloatCon ||
1567 _base == FloatBot) ? (TypeF*)this : NULL);
1568 }
1569
1570 inline const TypeF *Type::is_float_constant() const {
1571 assert( _base == FloatCon, "Not a Float" );
1572 return (TypeF*)this;
1573 }
1574
1575 inline const TypeF *Type::isa_float_constant() const {
1576 return ( _base == FloatCon ? (TypeF*)this : NULL);
1577 }
1578
1579 inline const TypeD *Type::isa_double() const {
1580 return ((_base == DoubleTop ||
1581 _base == DoubleCon ||
1582 _base == DoubleBot) ? (TypeD*)this : NULL);
1583 }
1584
1585 inline const TypeD *Type::is_double_constant() const {
1586 assert( _base == DoubleCon, "Not a Double" );
1587 return (TypeD*)this;
1588 }
1589
1590 inline const TypeD *Type::isa_double_constant() const {
1591 return ( _base == DoubleCon ? (TypeD*)this : NULL);
1592 }
1593
1594 inline const TypeTuple *Type::is_tuple() const {
1595 assert( _base == Tuple, "Not a Tuple" );
1596 return (TypeTuple*)this;
1597 }
1598
1599 inline const TypeAry *Type::is_ary() const {
1600 assert( _base == Array , "Not an Array" );
1601 return (TypeAry*)this;
1602 }
1603
1604 inline const TypeVect *Type::is_vect() const {
1605 assert( _base >= VectorS && _base <= VectorZ, "Not a Vector" );
1606 return (TypeVect*)this;
1607 }
1608
1609 inline const TypeVect *Type::isa_vect() const {
1610 return (_base >= VectorS && _base <= VectorZ) ? (TypeVect*)this : NULL;
1611 }
1612
1613 inline const TypePtr *Type::is_ptr() const {
1614 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
1615 assert(_base >= AnyPtr && _base <= KlassPtr, "Not a pointer");
1616 return (TypePtr*)this;
1617 }
1618
1619 inline const TypePtr *Type::isa_ptr() const {
1620 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
1621 return (_base >= AnyPtr && _base <= KlassPtr) ? (TypePtr*)this : NULL;
1622 }
1623
1624 inline const TypeOopPtr *Type::is_oopptr() const {
1625 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1626 assert(_base >= OopPtr && _base <= AryPtr, "Not a Java pointer" ) ;
1627 return (TypeOopPtr*)this;
1628 }
1629
1630 inline const TypeOopPtr *Type::isa_oopptr() const {
1631 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1632 return (_base >= OopPtr && _base <= AryPtr) ? (TypeOopPtr*)this : NULL;
1633 }
1634
1635 inline const TypeRawPtr *Type::isa_rawptr() const {
1636 return (_base == RawPtr) ? (TypeRawPtr*)this : NULL;
1637 }
1638
1639 inline const TypeRawPtr *Type::is_rawptr() const {
1640 assert( _base == RawPtr, "Not a raw pointer" );
1641 return (TypeRawPtr*)this;
1642 }
1643
1644 inline const TypeInstPtr *Type::isa_instptr() const {
1645 return (_base == InstPtr) ? (TypeInstPtr*)this : NULL;
1646 }
1647
1648 inline const TypeInstPtr *Type::is_instptr() const {
1649 assert( _base == InstPtr, "Not an object pointer" );
1650 return (TypeInstPtr*)this;
1651 }
1652
1653 inline const TypeAryPtr *Type::isa_aryptr() const {
1654 return (_base == AryPtr) ? (TypeAryPtr*)this : NULL;
1655 }
1656
1657 inline const TypeAryPtr *Type::is_aryptr() const {
1658 assert( _base == AryPtr, "Not an array pointer" );
1659 return (TypeAryPtr*)this;
1660 }
1661
1662 inline const TypeNarrowOop *Type::is_narrowoop() const {
1663 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1664 assert(_base == NarrowOop, "Not a narrow oop" ) ;
1665 return (TypeNarrowOop*)this;
1666 }
1667
1668 inline const TypeNarrowOop *Type::isa_narrowoop() const {
1669 // OopPtr is the first and KlassPtr the last, with no non-oops between.
1670 return (_base == NarrowOop) ? (TypeNarrowOop*)this : NULL;
1671 }
1672
1673 inline const TypeNarrowKlass *Type::is_narrowklass() const {
1674 assert(_base == NarrowKlass, "Not a narrow oop" ) ;
1675 return (TypeNarrowKlass*)this;
1676 }
1677
1678 inline const TypeNarrowKlass *Type::isa_narrowklass() const {
1679 return (_base == NarrowKlass) ? (TypeNarrowKlass*)this : NULL;
1680 }
1681
1682 inline const TypeMetadataPtr *Type::is_metadataptr() const {
1683 // MetadataPtr is the first and CPCachePtr the last
1684 assert(_base == MetadataPtr, "Not a metadata pointer" ) ;
1685 return (TypeMetadataPtr*)this;
1686 }
1687
1688 inline const TypeMetadataPtr *Type::isa_metadataptr() const {
1689 return (_base == MetadataPtr) ? (TypeMetadataPtr*)this : NULL;
1690 }
1691
1692 inline const TypeKlassPtr *Type::isa_klassptr() const {
1693 return (_base == KlassPtr) ? (TypeKlassPtr*)this : NULL;
1694 }
1695
1696 inline const TypeKlassPtr *Type::is_klassptr() const {
1697 assert( _base == KlassPtr, "Not a klass pointer" );
1698 return (TypeKlassPtr*)this;
1699 }
1700
1701 inline const TypePtr* Type::make_ptr() const {
1702 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype() :
1703 ((_base == NarrowKlass) ? is_narrowklass()->get_ptrtype() :
1704 isa_ptr());
1705 }
1706
1707 inline const TypeOopPtr* Type::make_oopptr() const {
1708 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype()->isa_oopptr() : isa_oopptr();
1709 }
1710
1711 inline const TypeNarrowOop* Type::make_narrowoop() const {
1712 return (_base == NarrowOop) ? is_narrowoop() :
1713 (isa_ptr() ? TypeNarrowOop::make(is_ptr()) : NULL);
1714 }
1715
1716 inline const TypeNarrowKlass* Type::make_narrowklass() const {
1717 return (_base == NarrowKlass) ? is_narrowklass() :
1718 (isa_ptr() ? TypeNarrowKlass::make(is_ptr()) : NULL);
1719 }
1720
1721 inline bool Type::is_floatingpoint() const {
1722 if( (_base == FloatCon) || (_base == FloatBot) ||
1723 (_base == DoubleCon) || (_base == DoubleBot) )
1724 return true;
1725 return false;
1726 }
1727
1728 inline bool Type::is_ptr_to_boxing_obj() const {
1729 const TypeInstPtr* tp = isa_instptr();
1730 return (tp != NULL) && (tp->offset() == 0) &&
1731 tp->klass()->is_instance_klass() &&
1732 tp->klass()->as_instance_klass()->is_box_klass();
1733 }
1734
1735
1736 // ===============================================================
1737 // Things that need to be 64-bits in the 64-bit build but
1738 // 32-bits in the 32-bit build. Done this way to get full
1739 // optimization AND strong typing.
1740 #ifdef _LP64
1741
1742 // For type queries and asserts
1743 #define is_intptr_t is_long
1744 #define isa_intptr_t isa_long
1745 #define find_intptr_t_type find_long_type
1746 #define find_intptr_t_con find_long_con
1747 #define TypeX TypeLong
1748 #define Type_X Type::Long
1749 #define TypeX_X TypeLong::LONG
1750 #define TypeX_ZERO TypeLong::ZERO
1751 // For 'ideal_reg' machine registers
1752 #define Op_RegX Op_RegL
1753 // For phase->intcon variants
1754 #define MakeConX longcon
1755 #define ConXNode ConLNode
1756 // For array index arithmetic
1757 #define MulXNode MulLNode
1758 #define AndXNode AndLNode
1759 #define OrXNode OrLNode
1760 #define CmpXNode CmpLNode
1761 #define SubXNode SubLNode
1762 #define LShiftXNode LShiftLNode
1763 // For object size computation:
1764 #define AddXNode AddLNode
1765 #define RShiftXNode RShiftLNode
1766 // For card marks and hashcodes
1767 #define URShiftXNode URShiftLNode
1768 // UseOptoBiasInlining
1769 #define XorXNode XorLNode
1770 #define StoreXConditionalNode StoreLConditionalNode
1771 // Opcodes
1772 #define Op_LShiftX Op_LShiftL
1773 #define Op_AndX Op_AndL
1774 #define Op_AddX Op_AddL
1775 #define Op_SubX Op_SubL
1776 #define Op_XorX Op_XorL
1777 #define Op_URShiftX Op_URShiftL
1778 // conversions
1779 #define ConvI2X(x) ConvI2L(x)
1780 #define ConvL2X(x) (x)
1781 #define ConvX2I(x) ConvL2I(x)
1782 #define ConvX2L(x) (x)
1783 #define ConvX2UL(x) (x)
1784
1785 #else
1786
1787 // For type queries and asserts
1788 #define is_intptr_t is_int
1789 #define isa_intptr_t isa_int
1790 #define find_intptr_t_type find_int_type
1791 #define find_intptr_t_con find_int_con
1792 #define TypeX TypeInt
1793 #define Type_X Type::Int
1794 #define TypeX_X TypeInt::INT
1795 #define TypeX_ZERO TypeInt::ZERO
1796 // For 'ideal_reg' machine registers
1797 #define Op_RegX Op_RegI
1798 // For phase->intcon variants
1799 #define MakeConX intcon
1800 #define ConXNode ConINode
1801 // For array index arithmetic
1802 #define MulXNode MulINode
1803 #define AndXNode AndINode
1804 #define OrXNode OrINode
1805 #define CmpXNode CmpINode
1806 #define SubXNode SubINode
1807 #define LShiftXNode LShiftINode
1808 // For object size computation:
1809 #define AddXNode AddINode
1810 #define RShiftXNode RShiftINode
1811 // For card marks and hashcodes
1812 #define URShiftXNode URShiftINode
1813 // UseOptoBiasInlining
1814 #define XorXNode XorINode
1815 #define StoreXConditionalNode StoreIConditionalNode
1816 // Opcodes
1817 #define Op_LShiftX Op_LShiftI
1818 #define Op_AndX Op_AndI
1819 #define Op_AddX Op_AddI
1820 #define Op_SubX Op_SubI
1821 #define Op_XorX Op_XorI
1822 #define Op_URShiftX Op_URShiftI
1823 // conversions
1824 #define ConvI2X(x) (x)
1825 #define ConvL2X(x) ConvL2I(x)
1826 #define ConvX2I(x) (x)
1827 #define ConvX2L(x) ConvI2L(x)
1828 #define ConvX2UL(x) ConvI2UL(x)
1829
1830 #endif
1831
1832 #endif // SHARE_VM_OPTO_TYPE_HPP