author | twisti |
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/* |
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* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef SHARE_VM_OPTO_TYPE_HPP |
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#define SHARE_VM_OPTO_TYPE_HPP |
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#include "libadt/port.hpp" |
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#include "opto/adlcVMDeps.hpp" |
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#include "runtime/handles.hpp" |
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// Portions of code courtesy of Clifford Click |
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// Optimization - Graph Style |
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// This class defines a Type lattice. The lattice is used in the constant |
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// propagation algorithms, and for some type-checking of the iloc code. |
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// Basic types include RSD's (lower bound, upper bound, stride for integers), |
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// float & double precision constants, sets of data-labels and code-labels. |
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// The complete lattice is described below. Subtypes have no relationship to |
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// up or down in the lattice; that is entirely determined by the behavior of |
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// the MEET/JOIN functions. |
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class Dict; |
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class Type; |
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class TypeD; |
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class TypeF; |
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class TypeInt; |
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class TypeLong; |
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class TypeNarrowPtr; |
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class TypeNarrowOop; |
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class TypeNarrowKlass; |
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class TypeAry; |
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class TypeTuple; |
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class TypeVect; |
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class TypeVectS; |
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class TypeVectD; |
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class TypeVectX; |
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class TypeVectY; |
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class TypePtr; |
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class TypeRawPtr; |
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class TypeOopPtr; |
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class TypeInstPtr; |
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class TypeAryPtr; |
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class TypeKlassPtr; |
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class TypeMetadataPtr; |
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//------------------------------Type------------------------------------------- |
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// Basic Type object, represents a set of primitive Values. |
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// Types are hash-cons'd into a private class dictionary, so only one of each |
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// different kind of Type exists. Types are never modified after creation, so |
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// all their interesting fields are constant. |
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class Type { |
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friend class VMStructs; |
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public: |
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enum TYPES { |
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Bad=0, // Type check |
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Control, // Control of code (not in lattice) |
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Top, // Top of the lattice |
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Int, // Integer range (lo-hi) |
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Long, // Long integer range (lo-hi) |
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Half, // Placeholder half of doubleword |
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NarrowOop, // Compressed oop pointer |
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NarrowKlass, // Compressed klass pointer |
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Tuple, // Method signature or object layout |
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Array, // Array types |
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VectorS, // 32bit Vector types |
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VectorD, // 64bit Vector types |
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VectorX, // 128bit Vector types |
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VectorY, // 256bit Vector types |
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AnyPtr, // Any old raw, klass, inst, or array pointer |
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RawPtr, // Raw (non-oop) pointers |
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OopPtr, // Any and all Java heap entities |
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InstPtr, // Instance pointers (non-array objects) |
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AryPtr, // Array pointers |
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// (Ptr order matters: See is_ptr, isa_ptr, is_oopptr, isa_oopptr.) |
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MetadataPtr, // Generic metadata |
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KlassPtr, // Klass pointers |
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Function, // Function signature |
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Abio, // Abstract I/O |
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Return_Address, // Subroutine return address |
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Memory, // Abstract store |
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FloatTop, // No float value |
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FloatCon, // Floating point constant |
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FloatBot, // Any float value |
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DoubleTop, // No double value |
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DoubleCon, // Double precision constant |
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DoubleBot, // Any double value |
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Bottom, // Bottom of lattice |
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lastype // Bogus ending type (not in lattice) |
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}; |
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// Signal values for offsets from a base pointer |
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enum OFFSET_SIGNALS { |
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OffsetTop = -2000000000, // undefined offset |
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OffsetBot = -2000000001 // any possible offset |
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}; |
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// Min and max WIDEN values. |
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enum WIDEN { |
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WidenMin = 0, |
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WidenMax = 3 |
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}; |
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private: |
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typedef struct { |
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const TYPES dual_type; |
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const BasicType basic_type; |
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const char* msg; |
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const bool isa_oop; |
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const int ideal_reg; |
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const relocInfo::relocType reloc; |
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} TypeInfo; |
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// Dictionary of types shared among compilations. |
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static Dict* _shared_type_dict; |
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static TypeInfo _type_info[]; |
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static int uhash( const Type *const t ); |
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// Structural equality check. Assumes that cmp() has already compared |
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// the _base types and thus knows it can cast 't' appropriately. |
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virtual bool eq( const Type *t ) const; |
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// Top-level hash-table of types |
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static Dict *type_dict() { |
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return Compile::current()->type_dict(); |
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} |
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// DUAL operation: reflect around lattice centerline. Used instead of |
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// join to ensure my lattice is symmetric up and down. Dual is computed |
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// lazily, on demand, and cached in _dual. |
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const Type *_dual; // Cached dual value |
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// Table for efficient dualing of base types |
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static const TYPES dual_type[lastype]; |
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protected: |
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// Each class of type is also identified by its base. |
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const TYPES _base; // Enum of Types type |
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Type( TYPES t ) : _dual(NULL), _base(t) {} // Simple types |
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// ~Type(); // Use fast deallocation |
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const Type *hashcons(); // Hash-cons the type |
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public: |
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inline void* operator new( size_t x ) { |
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Compile* compile = Compile::current(); |
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compile->set_type_last_size(x); |
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void *temp = compile->type_arena()->Amalloc_D(x); |
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compile->set_type_hwm(temp); |
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return temp; |
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} |
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inline void operator delete( void* ptr ) { |
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Compile* compile = Compile::current(); |
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compile->type_arena()->Afree(ptr,compile->type_last_size()); |
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} |
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// Initialize the type system for a particular compilation. |
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static void Initialize(Compile* compile); |
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// Initialize the types shared by all compilations. |
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static void Initialize_shared(Compile* compile); |
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TYPES base() const { |
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assert(_base > Bad && _base < lastype, "sanity"); |
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return _base; |
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} |
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// Create a new hash-consd type |
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static const Type *make(enum TYPES); |
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// Test for equivalence of types |
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static int cmp( const Type *const t1, const Type *const t2 ); |
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// Test for higher or equal in lattice |
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int higher_equal( const Type *t ) const { return !cmp(meet(t),t); } |
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// MEET operation; lower in lattice. |
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const Type *meet( const Type *t ) const; |
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// WIDEN: 'widens' for Ints and other range types |
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virtual const Type *widen( const Type *old, const Type* limit ) const { return this; } |
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// NARROW: complement for widen, used by pessimistic phases |
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virtual const Type *narrow( const Type *old ) const { return this; } |
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// DUAL operation: reflect around lattice centerline. Used instead of |
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// join to ensure my lattice is symmetric up and down. |
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const Type *dual() const { return _dual; } |
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// Compute meet dependent on base type |
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virtual const Type *xmeet( const Type *t ) const; |
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virtual const Type *xdual() const; // Compute dual right now. |
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// JOIN operation; higher in lattice. Done by finding the dual of the |
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// meet of the dual of the 2 inputs. |
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const Type *join( const Type *t ) const { |
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return dual()->meet(t->dual())->dual(); } |
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// Modified version of JOIN adapted to the needs Node::Value. |
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// Normalizes all empty values to TOP. Does not kill _widen bits. |
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// Currently, it also works around limitations involving interface types. |
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virtual const Type *filter( const Type *kills ) const; |
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#ifdef ASSERT |
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// One type is interface, the other is oop |
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virtual bool interface_vs_oop(const Type *t) const; |
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#endif |
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// Returns true if this pointer points at memory which contains a |
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// compressed oop references. |
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bool is_ptr_to_narrowoop() const; |
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bool is_ptr_to_narrowklass() const; |
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// Convenience access |
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float getf() const; |
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double getd() const; |
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const TypeInt *is_int() const; |
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const TypeInt *isa_int() const; // Returns NULL if not an Int |
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const TypeLong *is_long() const; |
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const TypeLong *isa_long() const; // Returns NULL if not a Long |
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const TypeD *isa_double() const; // Returns NULL if not a Double{Top,Con,Bot} |
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const TypeD *is_double_constant() const; // Asserts it is a DoubleCon |
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const TypeD *isa_double_constant() const; // Returns NULL if not a DoubleCon |
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const TypeF *isa_float() const; // Returns NULL if not a Float{Top,Con,Bot} |
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const TypeF *is_float_constant() const; // Asserts it is a FloatCon |
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const TypeF *isa_float_constant() const; // Returns NULL if not a FloatCon |
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const TypeTuple *is_tuple() const; // Collection of fields, NOT a pointer |
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const TypeAry *is_ary() const; // Array, NOT array pointer |
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const TypeVect *is_vect() const; // Vector |
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const TypeVect *isa_vect() const; // Returns NULL if not a Vector |
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const TypePtr *is_ptr() const; // Asserts it is a ptr type |
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const TypePtr *isa_ptr() const; // Returns NULL if not ptr type |
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const TypeRawPtr *isa_rawptr() const; // NOT Java oop |
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const TypeRawPtr *is_rawptr() const; // Asserts is rawptr |
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const TypeNarrowOop *is_narrowoop() const; // Java-style GC'd pointer |
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const TypeNarrowOop *isa_narrowoop() const; // Returns NULL if not oop ptr type |
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const TypeNarrowKlass *is_narrowklass() const; // compressed klass pointer |
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const TypeNarrowKlass *isa_narrowklass() const;// Returns NULL if not oop ptr type |
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const TypeOopPtr *isa_oopptr() const; // Returns NULL if not oop ptr type |
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const TypeOopPtr *is_oopptr() const; // Java-style GC'd pointer |
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const TypeInstPtr *isa_instptr() const; // Returns NULL if not InstPtr |
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const TypeInstPtr *is_instptr() const; // Instance |
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const TypeAryPtr *isa_aryptr() const; // Returns NULL if not AryPtr |
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const TypeAryPtr *is_aryptr() const; // Array oop |
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const TypeMetadataPtr *isa_metadataptr() const; // Returns NULL if not oop ptr type |
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const TypeMetadataPtr *is_metadataptr() const; // Java-style GC'd pointer |
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const TypeKlassPtr *isa_klassptr() const; // Returns NULL if not KlassPtr |
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const TypeKlassPtr *is_klassptr() const; // assert if not KlassPtr |
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virtual bool is_finite() const; // Has a finite value |
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virtual bool is_nan() const; // Is not a number (NaN) |
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278 |
// Returns this ptr type or the equivalent ptr type for this compressed pointer. |
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|
279 |
const TypePtr* make_ptr() const; |
3180
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|
280 |
|
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|
281 |
// Returns this oopptr type or the equivalent oopptr type for this compressed pointer. |
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282 |
// Asserts if the underlying type is not an oopptr or narrowoop. |
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|
283 |
const TypeOopPtr* make_oopptr() const; |
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284 |
|
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285 |
// Returns this compressed pointer or the equivalent compressed version |
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286 |
// of this pointer type. |
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287 |
const TypeNarrowOop* make_narrowoop() const; |
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288 |
|
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289 |
// Returns this compressed klass pointer or the equivalent |
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|
290 |
// compressed version of this pointer type. |
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|
291 |
const TypeNarrowKlass* make_narrowklass() const; |
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292 |
|
1 | 293 |
// Special test for register pressure heuristic |
294 |
bool is_floatingpoint() const; // True if Float or Double base type |
|
295 |
||
296 |
// Do you have memory, directly or through a tuple? |
|
297 |
bool has_memory( ) const; |
|
298 |
||
299 |
// TRUE if type is a singleton |
|
300 |
virtual bool singleton(void) const; |
|
301 |
||
302 |
// TRUE if type is above the lattice centerline, and is therefore vacuous |
|
303 |
virtual bool empty(void) const; |
|
304 |
||
305 |
// Return a hash for this type. The hash function is public so ConNode |
|
306 |
// (constants) can hash on their constant, which is represented by a Type. |
|
307 |
virtual int hash() const; |
|
308 |
||
309 |
// Map ideal registers (machine types) to ideal types |
|
310 |
static const Type *mreg2type[]; |
|
311 |
||
312 |
// Printing, statistics |
|
313 |
#ifndef PRODUCT |
|
314 |
void dump_on(outputStream *st) const; |
|
315 |
void dump() const { |
|
316 |
dump_on(tty); |
|
317 |
} |
|
318 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; |
|
319 |
static void dump_stats(); |
|
320 |
#endif |
|
321 |
void typerr(const Type *t) const; // Mixing types error |
|
322 |
||
323 |
// Create basic type |
|
324 |
static const Type* get_const_basic_type(BasicType type) { |
|
325 |
assert((uint)type <= T_CONFLICT && _const_basic_type[type] != NULL, "bad type"); |
|
326 |
return _const_basic_type[type]; |
|
327 |
} |
|
328 |
||
329 |
// Mapping to the array element's basic type. |
|
330 |
BasicType array_element_basic_type() const; |
|
331 |
||
332 |
// Create standard type for a ciType: |
|
333 |
static const Type* get_const_type(ciType* type); |
|
334 |
||
335 |
// Create standard zero value: |
|
336 |
static const Type* get_zero_type(BasicType type) { |
|
337 |
assert((uint)type <= T_CONFLICT && _zero_type[type] != NULL, "bad type"); |
|
338 |
return _zero_type[type]; |
|
339 |
} |
|
340 |
||
341 |
// Report if this is a zero value (not top). |
|
342 |
bool is_zero_type() const { |
|
343 |
BasicType type = basic_type(); |
|
344 |
if (type == T_VOID || type >= T_CONFLICT) |
|
345 |
return false; |
|
346 |
else |
|
347 |
return (this == _zero_type[type]); |
|
348 |
} |
|
349 |
||
350 |
// Convenience common pre-built types. |
|
351 |
static const Type *ABIO; |
|
352 |
static const Type *BOTTOM; |
|
353 |
static const Type *CONTROL; |
|
354 |
static const Type *DOUBLE; |
|
355 |
static const Type *FLOAT; |
|
356 |
static const Type *HALF; |
|
357 |
static const Type *MEMORY; |
|
358 |
static const Type *MULTI; |
|
359 |
static const Type *RETURN_ADDRESS; |
|
360 |
static const Type *TOP; |
|
361 |
||
362 |
// Mapping from compiler type to VM BasicType |
|
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363 |
BasicType basic_type() const { return _type_info[_base].basic_type; } |
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|
364 |
int ideal_reg() const { return _type_info[_base].ideal_reg; } |
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|
365 |
const char* msg() const { return _type_info[_base].msg; } |
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366 |
bool isa_oop_ptr() const { return _type_info[_base].isa_oop; } |
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|
367 |
relocInfo::relocType reloc() const { return _type_info[_base].reloc; } |
1 | 368 |
|
369 |
// Mapping from CI type system to compiler type: |
|
370 |
static const Type* get_typeflow_type(ciType* type); |
|
371 |
||
372 |
private: |
|
373 |
// support arrays |
|
374 |
static const BasicType _basic_type[]; |
|
375 |
static const Type* _zero_type[T_CONFLICT+1]; |
|
376 |
static const Type* _const_basic_type[T_CONFLICT+1]; |
|
377 |
}; |
|
378 |
||
379 |
//------------------------------TypeF------------------------------------------ |
|
380 |
// Class of Float-Constant Types. |
|
381 |
class TypeF : public Type { |
|
382 |
TypeF( float f ) : Type(FloatCon), _f(f) {}; |
|
383 |
public: |
|
384 |
virtual bool eq( const Type *t ) const; |
|
385 |
virtual int hash() const; // Type specific hashing |
|
386 |
virtual bool singleton(void) const; // TRUE if type is a singleton |
|
387 |
virtual bool empty(void) const; // TRUE if type is vacuous |
|
388 |
public: |
|
389 |
const float _f; // Float constant |
|
390 |
||
391 |
static const TypeF *make(float f); |
|
392 |
||
393 |
virtual bool is_finite() const; // Has a finite value |
|
394 |
virtual bool is_nan() const; // Is not a number (NaN) |
|
395 |
||
396 |
virtual const Type *xmeet( const Type *t ) const; |
|
397 |
virtual const Type *xdual() const; // Compute dual right now. |
|
398 |
// Convenience common pre-built types. |
|
399 |
static const TypeF *ZERO; // positive zero only |
|
400 |
static const TypeF *ONE; |
|
401 |
#ifndef PRODUCT |
|
402 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; |
|
403 |
#endif |
|
404 |
}; |
|
405 |
||
406 |
//------------------------------TypeD------------------------------------------ |
|
407 |
// Class of Double-Constant Types. |
|
408 |
class TypeD : public Type { |
|
409 |
TypeD( double d ) : Type(DoubleCon), _d(d) {}; |
|
410 |
public: |
|
411 |
virtual bool eq( const Type *t ) const; |
|
412 |
virtual int hash() const; // Type specific hashing |
|
413 |
virtual bool singleton(void) const; // TRUE if type is a singleton |
|
414 |
virtual bool empty(void) const; // TRUE if type is vacuous |
|
415 |
public: |
|
416 |
const double _d; // Double constant |
|
417 |
||
418 |
static const TypeD *make(double d); |
|
419 |
||
420 |
virtual bool is_finite() const; // Has a finite value |
|
421 |
virtual bool is_nan() const; // Is not a number (NaN) |
|
422 |
||
423 |
virtual const Type *xmeet( const Type *t ) const; |
|
424 |
virtual const Type *xdual() const; // Compute dual right now. |
|
425 |
// Convenience common pre-built types. |
|
426 |
static const TypeD *ZERO; // positive zero only |
|
427 |
static const TypeD *ONE; |
|
428 |
#ifndef PRODUCT |
|
429 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; |
|
430 |
#endif |
|
431 |
}; |
|
432 |
||
433 |
//------------------------------TypeInt---------------------------------------- |
|
434 |
// Class of integer ranges, the set of integers between a lower bound and an |
|
435 |
// upper bound, inclusive. |
|
436 |
class TypeInt : public Type { |
|
437 |
TypeInt( jint lo, jint hi, int w ); |
|
438 |
public: |
|
439 |
virtual bool eq( const Type *t ) const; |
|
440 |
virtual int hash() const; // Type specific hashing |
|
441 |
virtual bool singleton(void) const; // TRUE if type is a singleton |
|
442 |
virtual bool empty(void) const; // TRUE if type is vacuous |
|
443 |
public: |
|
444 |
const jint _lo, _hi; // Lower bound, upper bound |
|
445 |
const short _widen; // Limit on times we widen this sucker |
|
446 |
||
447 |
static const TypeInt *make(jint lo); |
|
448 |
// must always specify w |
|
449 |
static const TypeInt *make(jint lo, jint hi, int w); |
|
450 |
||
451 |
// Check for single integer |
|
452 |
int is_con() const { return _lo==_hi; } |
|
453 |
bool is_con(int i) const { return is_con() && _lo == i; } |
|
454 |
jint get_con() const { assert( is_con(), "" ); return _lo; } |
|
455 |
||
456 |
virtual bool is_finite() const; // Has a finite value |
|
457 |
||
458 |
virtual const Type *xmeet( const Type *t ) const; |
|
459 |
virtual const Type *xdual() const; // Compute dual right now. |
|
4012
579b7bad9983
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|
460 |
virtual const Type *widen( const Type *t, const Type* limit_type ) const; |
1 | 461 |
virtual const Type *narrow( const Type *t ) const; |
462 |
// Do not kill _widen bits. |
|
463 |
virtual const Type *filter( const Type *kills ) const; |
|
464 |
// Convenience common pre-built types. |
|
465 |
static const TypeInt *MINUS_1; |
|
466 |
static const TypeInt *ZERO; |
|
467 |
static const TypeInt *ONE; |
|
468 |
static const TypeInt *BOOL; |
|
469 |
static const TypeInt *CC; |
|
470 |
static const TypeInt *CC_LT; // [-1] == MINUS_1 |
|
471 |
static const TypeInt *CC_GT; // [1] == ONE |
|
472 |
static const TypeInt *CC_EQ; // [0] == ZERO |
|
473 |
static const TypeInt *CC_LE; // [-1,0] |
|
474 |
static const TypeInt *CC_GE; // [0,1] == BOOL (!) |
|
475 |
static const TypeInt *BYTE; |
|
2150 | 476 |
static const TypeInt *UBYTE; |
1 | 477 |
static const TypeInt *CHAR; |
478 |
static const TypeInt *SHORT; |
|
479 |
static const TypeInt *POS; |
|
480 |
static const TypeInt *POS1; |
|
481 |
static const TypeInt *INT; |
|
482 |
static const TypeInt *SYMINT; // symmetric range [-max_jint..max_jint] |
|
483 |
#ifndef PRODUCT |
|
484 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; |
|
485 |
#endif |
|
486 |
}; |
|
487 |
||
488 |
||
489 |
//------------------------------TypeLong--------------------------------------- |
|
490 |
// Class of long integer ranges, the set of integers between a lower bound and |
|
491 |
// an upper bound, inclusive. |
|
492 |
class TypeLong : public Type { |
|
493 |
TypeLong( jlong lo, jlong hi, int w ); |
|
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 jlong _lo, _hi; // Lower bound, upper bound |
|
501 |
const short _widen; // Limit on times we widen this sucker |
|
502 |
||
503 |
static const TypeLong *make(jlong lo); |
|
504 |
// must always specify w |
|
505 |
static const TypeLong *make(jlong lo, jlong hi, int w); |
|
506 |
||
507 |
// Check for single integer |
|
508 |
int is_con() const { return _lo==_hi; } |
|
392 | 509 |
bool is_con(int i) const { return is_con() && _lo == i; } |
1 | 510 |
jlong get_con() const { assert( is_con(), "" ); return _lo; } |
511 |
||
512 |
virtual bool is_finite() const; // Has a finite value |
|
513 |
||
514 |
virtual const Type *xmeet( const Type *t ) const; |
|
515 |
virtual const Type *xdual() const; // Compute dual right now. |
|
4012
579b7bad9983
6885584: A particular class structure causes large allocation spike for jit
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|
516 |
virtual const Type *widen( const Type *t, const Type* limit_type ) const; |
1 | 517 |
virtual const Type *narrow( const Type *t ) const; |
518 |
// Do not kill _widen bits. |
|
519 |
virtual const Type *filter( const Type *kills ) const; |
|
520 |
// Convenience common pre-built types. |
|
521 |
static const TypeLong *MINUS_1; |
|
522 |
static const TypeLong *ZERO; |
|
523 |
static const TypeLong *ONE; |
|
524 |
static const TypeLong *POS; |
|
525 |
static const TypeLong *LONG; |
|
526 |
static const TypeLong *INT; // 32-bit subrange [min_jint..max_jint] |
|
527 |
static const TypeLong *UINT; // 32-bit unsigned [0..max_juint] |
|
528 |
#ifndef PRODUCT |
|
529 |
virtual void dump2( Dict &d, uint, outputStream *st ) const;// Specialized per-Type dumping |
|
530 |
#endif |
|
531 |
}; |
|
532 |
||
533 |
//------------------------------TypeTuple-------------------------------------- |
|
534 |
// Class of Tuple Types, essentially type collections for function signatures |
|
535 |
// and class layouts. It happens to also be a fast cache for the HotSpot |
|
536 |
// signature types. |
|
537 |
class TypeTuple : public Type { |
|
538 |
TypeTuple( uint cnt, const Type **fields ) : Type(Tuple), _cnt(cnt), _fields(fields) { } |
|
539 |
public: |
|
540 |
virtual bool eq( const Type *t ) const; |
|
541 |
virtual int hash() const; // Type specific hashing |
|
542 |
virtual bool singleton(void) const; // TRUE if type is a singleton |
|
543 |
virtual bool empty(void) const; // TRUE if type is vacuous |
|
544 |
||
545 |
public: |
|
546 |
const uint _cnt; // Count of fields |
|
547 |
const Type ** const _fields; // Array of field types |
|
548 |
||
549 |
// Accessors: |
|
550 |
uint cnt() const { return _cnt; } |
|
551 |
const Type* field_at(uint i) const { |
|
552 |
assert(i < _cnt, "oob"); |
|
553 |
return _fields[i]; |
|
554 |
} |
|
555 |
void set_field_at(uint i, const Type* t) { |
|
556 |
assert(i < _cnt, "oob"); |
|
557 |
_fields[i] = t; |
|
558 |
} |
|
559 |
||
560 |
static const TypeTuple *make( uint cnt, const Type **fields ); |
|
561 |
static const TypeTuple *make_range(ciSignature *sig); |
|
562 |
static const TypeTuple *make_domain(ciInstanceKlass* recv, ciSignature *sig); |
|
563 |
||
564 |
// Subroutine call type with space allocated for argument types |
|
565 |
static const Type **fields( uint arg_cnt ); |
|
566 |
||
567 |
virtual const Type *xmeet( const Type *t ) const; |
|
568 |
virtual const Type *xdual() const; // Compute dual right now. |
|
569 |
// Convenience common pre-built types. |
|
570 |
static const TypeTuple *IFBOTH; |
|
571 |
static const TypeTuple *IFFALSE; |
|
572 |
static const TypeTuple *IFTRUE; |
|
573 |
static const TypeTuple *IFNEITHER; |
|
574 |
static const TypeTuple *LOOPBODY; |
|
575 |
static const TypeTuple *MEMBAR; |
|
576 |
static const TypeTuple *STORECONDITIONAL; |
|
577 |
static const TypeTuple *START_I2C; |
|
578 |
static const TypeTuple *INT_PAIR; |
|
579 |
static const TypeTuple *LONG_PAIR; |
|
580 |
#ifndef PRODUCT |
|
581 |
virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping |
|
582 |
#endif |
|
583 |
}; |
|
584 |
||
585 |
//------------------------------TypeAry---------------------------------------- |
|
586 |
// Class of Array Types |
|
587 |
class TypeAry : public Type { |
|
588 |
TypeAry( const Type *elem, const TypeInt *size) : Type(Array), |
|
589 |
_elem(elem), _size(size) {} |
|
590 |
public: |
|
591 |
virtual bool eq( const Type *t ) const; |
|
592 |
virtual int hash() const; // Type specific hashing |
|
593 |
virtual bool singleton(void) const; // TRUE if type is a singleton |
|
594 |
virtual bool empty(void) const; // TRUE if type is vacuous |
|
595 |
||
596 |
private: |
|
597 |
const Type *_elem; // Element type of array |
|
598 |
const TypeInt *_size; // Elements in array |
|
599 |
friend class TypeAryPtr; |
|
600 |
||
601 |
public: |
|
602 |
static const TypeAry *make( const Type *elem, const TypeInt *size); |
|
603 |
||
604 |
virtual const Type *xmeet( const Type *t ) const; |
|
605 |
virtual const Type *xdual() const; // Compute dual right now. |
|
606 |
bool ary_must_be_exact() const; // true if arrays of such are never generic |
|
3173
c15503e54406
6837094: False positive for "meet not symmetric" failure
kvn
parents:
2154
diff
changeset
|
607 |
#ifdef ASSERT |
c15503e54406
6837094: False positive for "meet not symmetric" failure
kvn
parents:
2154
diff
changeset
|
608 |
// One type is interface, the other is oop |
c15503e54406
6837094: False positive for "meet not symmetric" failure
kvn
parents:
2154
diff
changeset
|
609 |
virtual bool interface_vs_oop(const Type *t) const; |
c15503e54406
6837094: False positive for "meet not symmetric" failure
kvn
parents:
2154
diff
changeset
|
610 |
#endif |
1 | 611 |
#ifndef PRODUCT |
612 |
virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping |
|
613 |
#endif |
|
614 |
}; |
|
615 |
||
13104
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10547
diff
changeset
|
616 |
//------------------------------TypeVect--------------------------------------- |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10547
diff
changeset
|
617 |
// Class of Vector Types |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10547
diff
changeset
|
618 |
class TypeVect : public Type { |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10547
diff
changeset
|
619 |
const Type* _elem; // Vector's element type |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10547
diff
changeset
|
620 |
const uint _length; // Elements in vector (power of 2) |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10547
diff
changeset
|
621 |
|
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10547
diff
changeset
|
622 |
protected: |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10547
diff
changeset
|
623 |
TypeVect(TYPES t, const Type* elem, uint length) : Type(t), |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10547
diff
changeset
|
624 |
_elem(elem), _length(length) {} |
657b387034fb
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|
625 |
|
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|
626 |
public: |
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|
627 |
const Type* element_type() const { return _elem; } |
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|
628 |
BasicType element_basic_type() const { return _elem->array_element_basic_type(); } |
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|
629 |
uint length() const { return _length; } |
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|
630 |
uint length_in_bytes() const { |
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|
631 |
return _length * type2aelembytes(element_basic_type()); |
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|
632 |
} |
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|
633 |
|
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|
634 |
virtual bool eq(const Type *t) const; |
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|
635 |
virtual int hash() const; // Type specific hashing |
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|
636 |
virtual bool singleton(void) const; // TRUE if type is a singleton |
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|
637 |
virtual bool empty(void) const; // TRUE if type is vacuous |
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|
638 |
|
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|
639 |
static const TypeVect *make(const BasicType elem_bt, uint length) { |
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|
640 |
// Use bottom primitive type. |
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|
641 |
return make(get_const_basic_type(elem_bt), length); |
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|
642 |
} |
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|
643 |
// Used directly by Replicate nodes to construct singleton vector. |
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|
644 |
static const TypeVect *make(const Type* elem, uint length); |
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|
645 |
|
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|
646 |
virtual const Type *xmeet( const Type *t) const; |
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|
647 |
virtual const Type *xdual() const; // Compute dual right now. |
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|
648 |
|
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|
649 |
static const TypeVect *VECTS; |
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|
650 |
static const TypeVect *VECTD; |
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|
651 |
static const TypeVect *VECTX; |
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|
652 |
static const TypeVect *VECTY; |
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|
653 |
|
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|
654 |
#ifndef PRODUCT |
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|
655 |
virtual void dump2(Dict &d, uint, outputStream *st) const; // Specialized per-Type dumping |
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|
656 |
#endif |
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|
657 |
}; |
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|
658 |
|
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|
659 |
class TypeVectS : public TypeVect { |
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|
660 |
friend class TypeVect; |
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|
661 |
TypeVectS(const Type* elem, uint length) : TypeVect(VectorS, elem, length) {} |
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|
662 |
}; |
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|
663 |
|
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|
664 |
class TypeVectD : public TypeVect { |
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|
665 |
friend class TypeVect; |
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|
666 |
TypeVectD(const Type* elem, uint length) : TypeVect(VectorD, elem, length) {} |
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|
667 |
}; |
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|
668 |
|
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|
669 |
class TypeVectX : public TypeVect { |
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|
670 |
friend class TypeVect; |
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|
671 |
TypeVectX(const Type* elem, uint length) : TypeVect(VectorX, elem, length) {} |
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|
672 |
}; |
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|
673 |
|
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|
674 |
class TypeVectY : public TypeVect { |
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|
675 |
friend class TypeVect; |
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|
676 |
TypeVectY(const Type* elem, uint length) : TypeVect(VectorY, elem, length) {} |
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|
677 |
}; |
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|
678 |
|
1 | 679 |
//------------------------------TypePtr---------------------------------------- |
680 |
// Class of machine Pointer Types: raw data, instances or arrays. |
|
681 |
// If the _base enum is AnyPtr, then this refers to all of the above. |
|
682 |
// Otherwise the _base will indicate which subset of pointers is affected, |
|
683 |
// and the class will be inherited from. |
|
684 |
class TypePtr : public Type { |
|
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|
685 |
friend class TypeNarrowPtr; |
1 | 686 |
public: |
687 |
enum PTR { TopPTR, AnyNull, Constant, Null, NotNull, BotPTR, lastPTR }; |
|
688 |
protected: |
|
689 |
TypePtr( TYPES t, PTR ptr, int offset ) : Type(t), _ptr(ptr), _offset(offset) {} |
|
690 |
virtual bool eq( const Type *t ) const; |
|
691 |
virtual int hash() const; // Type specific hashing |
|
692 |
static const PTR ptr_meet[lastPTR][lastPTR]; |
|
693 |
static const PTR ptr_dual[lastPTR]; |
|
694 |
static const char * const ptr_msg[lastPTR]; |
|
695 |
||
696 |
public: |
|
697 |
const int _offset; // Offset into oop, with TOP & BOT |
|
698 |
const PTR _ptr; // Pointer equivalence class |
|
699 |
||
700 |
const int offset() const { return _offset; } |
|
701 |
const PTR ptr() const { return _ptr; } |
|
702 |
||
703 |
static const TypePtr *make( TYPES t, PTR ptr, int offset ); |
|
704 |
||
705 |
// Return a 'ptr' version of this type |
|
706 |
virtual const Type *cast_to_ptr_type(PTR ptr) const; |
|
707 |
||
708 |
virtual intptr_t get_con() const; |
|
709 |
||
1068
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|
710 |
int xadd_offset( intptr_t offset ) const; |
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|
711 |
virtual const TypePtr *add_offset( intptr_t offset ) const; |
1 | 712 |
|
713 |
virtual bool singleton(void) const; // TRUE if type is a singleton |
|
714 |
virtual bool empty(void) const; // TRUE if type is vacuous |
|
715 |
virtual const Type *xmeet( const Type *t ) const; |
|
716 |
int meet_offset( int offset ) const; |
|
717 |
int dual_offset( ) const; |
|
718 |
virtual const Type *xdual() const; // Compute dual right now. |
|
719 |
||
720 |
// meet, dual and join over pointer equivalence sets |
|
721 |
PTR meet_ptr( const PTR in_ptr ) const { return ptr_meet[in_ptr][ptr()]; } |
|
722 |
PTR dual_ptr() const { return ptr_dual[ptr()]; } |
|
723 |
||
724 |
// This is textually confusing unless one recalls that |
|
725 |
// join(t) == dual()->meet(t->dual())->dual(). |
|
726 |
PTR join_ptr( const PTR in_ptr ) const { |
|
727 |
return ptr_dual[ ptr_meet[ ptr_dual[in_ptr] ] [ dual_ptr() ] ]; |
|
728 |
} |
|
729 |
||
730 |
// Tests for relation to centerline of type lattice: |
|
731 |
static bool above_centerline(PTR ptr) { return (ptr <= AnyNull); } |
|
732 |
static bool below_centerline(PTR ptr) { return (ptr >= NotNull); } |
|
733 |
// Convenience common pre-built types. |
|
734 |
static const TypePtr *NULL_PTR; |
|
735 |
static const TypePtr *NOTNULL; |
|
736 |
static const TypePtr *BOTTOM; |
|
737 |
#ifndef PRODUCT |
|
738 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; |
|
739 |
#endif |
|
740 |
}; |
|
741 |
||
742 |
//------------------------------TypeRawPtr------------------------------------- |
|
743 |
// Class of raw pointers, pointers to things other than Oops. Examples |
|
744 |
// include the stack pointer, top of heap, card-marking area, handles, etc. |
|
745 |
class TypeRawPtr : public TypePtr { |
|
746 |
protected: |
|
747 |
TypeRawPtr( PTR ptr, address bits ) : TypePtr(RawPtr,ptr,0), _bits(bits){} |
|
748 |
public: |
|
749 |
virtual bool eq( const Type *t ) const; |
|
750 |
virtual int hash() const; // Type specific hashing |
|
751 |
||
752 |
const address _bits; // Constant value, if applicable |
|
753 |
||
754 |
static const TypeRawPtr *make( PTR ptr ); |
|
755 |
static const TypeRawPtr *make( address bits ); |
|
756 |
||
757 |
// Return a 'ptr' version of this type |
|
758 |
virtual const Type *cast_to_ptr_type(PTR ptr) const; |
|
759 |
||
760 |
virtual intptr_t get_con() const; |
|
761 |
||
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|
762 |
virtual const TypePtr *add_offset( intptr_t offset ) const; |
1 | 763 |
|
764 |
virtual const Type *xmeet( const Type *t ) const; |
|
765 |
virtual const Type *xdual() const; // Compute dual right now. |
|
766 |
// Convenience common pre-built types. |
|
767 |
static const TypeRawPtr *BOTTOM; |
|
768 |
static const TypeRawPtr *NOTNULL; |
|
769 |
#ifndef PRODUCT |
|
770 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; |
|
771 |
#endif |
|
772 |
}; |
|
773 |
||
774 |
//------------------------------TypeOopPtr------------------------------------- |
|
775 |
// Some kind of oop (Java pointer), either klass or instance or array. |
|
776 |
class TypeOopPtr : public TypePtr { |
|
777 |
protected: |
|
589 | 778 |
TypeOopPtr( TYPES t, PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id ); |
1 | 779 |
public: |
780 |
virtual bool eq( const Type *t ) const; |
|
781 |
virtual int hash() const; // Type specific hashing |
|
782 |
virtual bool singleton(void) const; // TRUE if type is a singleton |
|
783 |
enum { |
|
769 | 784 |
InstanceTop = -1, // undefined instance |
785 |
InstanceBot = 0 // any possible instance |
|
1 | 786 |
}; |
787 |
protected: |
|
788 |
||
789 |
// Oop is NULL, unless this is a constant oop. |
|
790 |
ciObject* _const_oop; // Constant oop |
|
791 |
// If _klass is NULL, then so is _sig. This is an unloaded klass. |
|
792 |
ciKlass* _klass; // Klass object |
|
793 |
// Does the type exclude subclasses of the klass? (Inexact == polymorphic.) |
|
794 |
bool _klass_is_exact; |
|
589 | 795 |
bool _is_ptr_to_narrowoop; |
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|
796 |
bool _is_ptr_to_narrowklass; |
1 | 797 |
|
769 | 798 |
// If not InstanceTop or InstanceBot, indicates that this is |
799 |
// a particular instance of this type which is distinct. |
|
800 |
// This is the the node index of the allocation node creating this instance. |
|
801 |
int _instance_id; |
|
1 | 802 |
|
803 |
static const TypeOopPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact); |
|
804 |
||
769 | 805 |
int dual_instance_id() const; |
806 |
int meet_instance_id(int uid) const; |
|
1 | 807 |
|
808 |
public: |
|
809 |
// Creates a type given a klass. Correctly handles multi-dimensional arrays |
|
810 |
// Respects UseUniqueSubclasses. |
|
811 |
// If the klass is final, the resulting type will be exact. |
|
812 |
static const TypeOopPtr* make_from_klass(ciKlass* klass) { |
|
813 |
return make_from_klass_common(klass, true, false); |
|
814 |
} |
|
815 |
// Same as before, but will produce an exact type, even if |
|
816 |
// the klass is not final, as long as it has exactly one implementation. |
|
817 |
static const TypeOopPtr* make_from_klass_unique(ciKlass* klass) { |
|
818 |
return make_from_klass_common(klass, true, true); |
|
819 |
} |
|
820 |
// Same as before, but does not respects UseUniqueSubclasses. |
|
821 |
// Use this only for creating array element types. |
|
822 |
static const TypeOopPtr* make_from_klass_raw(ciKlass* klass) { |
|
823 |
return make_from_klass_common(klass, false, false); |
|
824 |
} |
|
825 |
// Creates a singleton type given an object. |
|
3908
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|
826 |
// If the object cannot be rendered as a constant, |
24b55ad4c228
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|
827 |
// may return a non-singleton type. |
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|
828 |
// If require_constant, produce a NULL if a singleton is not possible. |
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|
829 |
static const TypeOopPtr* make_from_constant(ciObject* o, bool require_constant = false); |
1 | 830 |
|
831 |
// Make a generic (unclassed) pointer to an oop. |
|
3911 | 832 |
static const TypeOopPtr* make(PTR ptr, int offset, int instance_id); |
1 | 833 |
|
834 |
ciObject* const_oop() const { return _const_oop; } |
|
835 |
virtual ciKlass* klass() const { return _klass; } |
|
836 |
bool klass_is_exact() const { return _klass_is_exact; } |
|
589 | 837 |
|
838 |
// Returns true if this pointer points at memory which contains a |
|
839 |
// compressed oop references. |
|
840 |
bool is_ptr_to_narrowoop_nv() const { return _is_ptr_to_narrowoop; } |
|
13969
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|
841 |
bool is_ptr_to_narrowklass_nv() const { return _is_ptr_to_narrowklass; } |
589 | 842 |
|
769 | 843 |
bool is_known_instance() const { return _instance_id > 0; } |
844 |
int instance_id() const { return _instance_id; } |
|
845 |
bool is_known_instance_field() const { return is_known_instance() && _offset >= 0; } |
|
1 | 846 |
|
847 |
virtual intptr_t get_con() const; |
|
848 |
||
849 |
virtual const Type *cast_to_ptr_type(PTR ptr) const; |
|
850 |
||
851 |
virtual const Type *cast_to_exactness(bool klass_is_exact) const; |
|
852 |
||
769 | 853 |
virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const; |
1 | 854 |
|
855 |
// corresponding pointer to klass, for a given instance |
|
856 |
const TypeKlassPtr* as_klass_type() const; |
|
857 |
||
1068
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|
858 |
virtual const TypePtr *add_offset( intptr_t offset ) const; |
1 | 859 |
|
860 |
virtual const Type *xmeet( const Type *t ) const; |
|
861 |
virtual const Type *xdual() const; // Compute dual right now. |
|
862 |
||
863 |
// Do not allow interface-vs.-noninterface joins to collapse to top. |
|
864 |
virtual const Type *filter( const Type *kills ) const; |
|
865 |
||
866 |
// Convenience common pre-built type. |
|
867 |
static const TypeOopPtr *BOTTOM; |
|
868 |
#ifndef PRODUCT |
|
869 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; |
|
870 |
#endif |
|
871 |
}; |
|
872 |
||
873 |
//------------------------------TypeInstPtr------------------------------------ |
|
874 |
// Class of Java object pointers, pointing either to non-array Java instances |
|
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|
875 |
// or to a Klass* (including array klasses). |
1 | 876 |
class TypeInstPtr : public TypeOopPtr { |
877 |
TypeInstPtr( PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id ); |
|
878 |
virtual bool eq( const Type *t ) const; |
|
879 |
virtual int hash() const; // Type specific hashing |
|
880 |
||
881 |
ciSymbol* _name; // class name |
|
882 |
||
883 |
public: |
|
884 |
ciSymbol* name() const { return _name; } |
|
885 |
||
886 |
bool is_loaded() const { return _klass->is_loaded(); } |
|
887 |
||
888 |
// Make a pointer to a constant oop. |
|
889 |
static const TypeInstPtr *make(ciObject* o) { |
|
890 |
return make(TypePtr::Constant, o->klass(), true, o, 0); |
|
891 |
} |
|
892 |
// Make a pointer to a constant oop with offset. |
|
893 |
static const TypeInstPtr *make(ciObject* o, int offset) { |
|
894 |
return make(TypePtr::Constant, o->klass(), true, o, offset); |
|
895 |
} |
|
896 |
||
897 |
// Make a pointer to some value of type klass. |
|
898 |
static const TypeInstPtr *make(PTR ptr, ciKlass* klass) { |
|
899 |
return make(ptr, klass, false, NULL, 0); |
|
900 |
} |
|
901 |
||
902 |
// Make a pointer to some non-polymorphic value of exactly type klass. |
|
903 |
static const TypeInstPtr *make_exact(PTR ptr, ciKlass* klass) { |
|
904 |
return make(ptr, klass, true, NULL, 0); |
|
905 |
} |
|
906 |
||
907 |
// Make a pointer to some value of type klass with offset. |
|
908 |
static const TypeInstPtr *make(PTR ptr, ciKlass* klass, int offset) { |
|
909 |
return make(ptr, klass, false, NULL, offset); |
|
910 |
} |
|
911 |
||
912 |
// Make a pointer to an oop. |
|
769 | 913 |
static const TypeInstPtr *make(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id = InstanceBot ); |
1 | 914 |
|
915 |
// If this is a java.lang.Class constant, return the type for it or NULL. |
|
916 |
// Pass to Type::get_const_type to turn it to a type, which will usually |
|
917 |
// be a TypeInstPtr, but may also be a TypeInt::INT for int.class, etc. |
|
918 |
ciType* java_mirror_type() const; |
|
919 |
||
920 |
virtual const Type *cast_to_ptr_type(PTR ptr) const; |
|
921 |
||
922 |
virtual const Type *cast_to_exactness(bool klass_is_exact) const; |
|
923 |
||
769 | 924 |
virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const; |
1 | 925 |
|
1068
720698d9c89b
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|
926 |
virtual const TypePtr *add_offset( intptr_t offset ) const; |
1 | 927 |
|
928 |
virtual const Type *xmeet( const Type *t ) const; |
|
929 |
virtual const TypeInstPtr *xmeet_unloaded( const TypeInstPtr *t ) const; |
|
930 |
virtual const Type *xdual() const; // Compute dual right now. |
|
931 |
||
932 |
// Convenience common pre-built types. |
|
933 |
static const TypeInstPtr *NOTNULL; |
|
934 |
static const TypeInstPtr *BOTTOM; |
|
935 |
static const TypeInstPtr *MIRROR; |
|
936 |
static const TypeInstPtr *MARK; |
|
937 |
static const TypeInstPtr *KLASS; |
|
938 |
#ifndef PRODUCT |
|
939 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping |
|
940 |
#endif |
|
941 |
}; |
|
942 |
||
943 |
//------------------------------TypeAryPtr------------------------------------- |
|
944 |
// Class of Java array pointers |
|
945 |
class TypeAryPtr : public TypeOopPtr { |
|
6431 | 946 |
TypeAryPtr( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id ) : TypeOopPtr(AryPtr,ptr,k,xk,o,offset, instance_id), _ary(ary) { |
947 |
#ifdef ASSERT |
|
948 |
if (k != NULL) { |
|
949 |
// Verify that specified klass and TypeAryPtr::klass() follow the same rules. |
|
950 |
ciKlass* ck = compute_klass(true); |
|
6462 | 951 |
if (k != ck) { |
6431 | 952 |
this->dump(); tty->cr(); |
953 |
tty->print(" k: "); |
|
954 |
k->print(); tty->cr(); |
|
955 |
tty->print("ck: "); |
|
956 |
if (ck != NULL) ck->print(); |
|
957 |
else tty->print("<NULL>"); |
|
958 |
tty->cr(); |
|
959 |
assert(false, "unexpected TypeAryPtr::_klass"); |
|
960 |
} |
|
961 |
} |
|
962 |
#endif |
|
963 |
} |
|
1 | 964 |
virtual bool eq( const Type *t ) const; |
965 |
virtual int hash() const; // Type specific hashing |
|
966 |
const TypeAry *_ary; // Array we point into |
|
967 |
||
6431 | 968 |
ciKlass* compute_klass(DEBUG_ONLY(bool verify = false)) const; |
969 |
||
1 | 970 |
public: |
971 |
// Accessors |
|
972 |
ciKlass* klass() const; |
|
973 |
const TypeAry* ary() const { return _ary; } |
|
974 |
const Type* elem() const { return _ary->_elem; } |
|
975 |
const TypeInt* size() const { return _ary->_size; } |
|
976 |
||
769 | 977 |
static const TypeAryPtr *make( PTR ptr, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id = InstanceBot); |
1 | 978 |
// Constant pointer to array |
769 | 979 |
static const TypeAryPtr *make( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id = InstanceBot); |
1 | 980 |
|
981 |
// Return a 'ptr' version of this type |
|
982 |
virtual const Type *cast_to_ptr_type(PTR ptr) const; |
|
983 |
||
984 |
virtual const Type *cast_to_exactness(bool klass_is_exact) const; |
|
985 |
||
769 | 986 |
virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const; |
1 | 987 |
|
988 |
virtual const TypeAryPtr* cast_to_size(const TypeInt* size) const; |
|
1398
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|
989 |
virtual const TypeInt* narrow_size_type(const TypeInt* size) const; |
1 | 990 |
|
991 |
virtual bool empty(void) const; // TRUE if type is vacuous |
|
1068
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|
992 |
virtual const TypePtr *add_offset( intptr_t offset ) const; |
1 | 993 |
|
994 |
virtual const Type *xmeet( const Type *t ) const; |
|
995 |
virtual const Type *xdual() const; // Compute dual right now. |
|
996 |
||
997 |
// Convenience common pre-built types. |
|
998 |
static const TypeAryPtr *RANGE; |
|
999 |
static const TypeAryPtr *OOPS; |
|
589 | 1000 |
static const TypeAryPtr *NARROWOOPS; |
1 | 1001 |
static const TypeAryPtr *BYTES; |
1002 |
static const TypeAryPtr *SHORTS; |
|
1003 |
static const TypeAryPtr *CHARS; |
|
1004 |
static const TypeAryPtr *INTS; |
|
1005 |
static const TypeAryPtr *LONGS; |
|
1006 |
static const TypeAryPtr *FLOATS; |
|
1007 |
static const TypeAryPtr *DOUBLES; |
|
1008 |
// selects one of the above: |
|
1009 |
static const TypeAryPtr *get_array_body_type(BasicType elem) { |
|
1010 |
assert((uint)elem <= T_CONFLICT && _array_body_type[elem] != NULL, "bad elem type"); |
|
1011 |
return _array_body_type[elem]; |
|
1012 |
} |
|
1013 |
static const TypeAryPtr *_array_body_type[T_CONFLICT+1]; |
|
1014 |
// sharpen the type of an int which is used as an array size |
|
3173
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|
1015 |
#ifdef ASSERT |
c15503e54406
6837094: False positive for "meet not symmetric" failure
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|
1016 |
// One type is interface, the other is oop |
c15503e54406
6837094: False positive for "meet not symmetric" failure
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|
1017 |
virtual bool interface_vs_oop(const Type *t) const; |
c15503e54406
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|
1018 |
#endif |
1 | 1019 |
#ifndef PRODUCT |
1020 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping |
|
1021 |
#endif |
|
1022 |
}; |
|
1023 |
||
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|
1024 |
//------------------------------TypeMetadataPtr------------------------------------- |
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|
1025 |
// Some kind of metadata, either Method*, MethodData* or CPCacheOop |
882756847a04
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|
1026 |
class TypeMetadataPtr : public TypePtr { |
882756847a04
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|
1027 |
protected: |
882756847a04
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changeset
|
1028 |
TypeMetadataPtr(PTR ptr, ciMetadata* metadata, int offset); |
882756847a04
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|
1029 |
public: |
882756847a04
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|
1030 |
virtual bool eq( const Type *t ) const; |
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|
1031 |
virtual int hash() const; // Type specific hashing |
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|
1032 |
virtual bool singleton(void) const; // TRUE if type is a singleton |
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6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1033 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1034 |
private: |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
1035 |
ciMetadata* _metadata; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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|
1036 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1037 |
public: |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13104
diff
changeset
|
1038 |
static const TypeMetadataPtr* make(PTR ptr, ciMetadata* m, int offset); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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parents:
13104
diff
changeset
|
1039 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13104
diff
changeset
|
1040 |
static const TypeMetadataPtr* make(ciMethod* m); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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13104
diff
changeset
|
1041 |
static const TypeMetadataPtr* make(ciMethodData* m); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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changeset
|
1042 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13104
diff
changeset
|
1043 |
ciMetadata* metadata() const { return _metadata; } |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1044 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13104
diff
changeset
|
1045 |
virtual const Type *cast_to_ptr_type(PTR ptr) const; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
1046 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13104
diff
changeset
|
1047 |
virtual const TypePtr *add_offset( intptr_t offset ) const; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
1048 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
1049 |
virtual const Type *xmeet( const Type *t ) const; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13104
diff
changeset
|
1050 |
virtual const Type *xdual() const; // Compute dual right now. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1051 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1052 |
virtual intptr_t get_con() const; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
1053 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13104
diff
changeset
|
1054 |
// Do not allow interface-vs.-noninterface joins to collapse to top. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13104
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changeset
|
1055 |
virtual const Type *filter( const Type *kills ) const; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13104
diff
changeset
|
1056 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13104
diff
changeset
|
1057 |
// Convenience common pre-built types. |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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13104
diff
changeset
|
1058 |
static const TypeMetadataPtr *BOTTOM; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
1059 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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diff
changeset
|
1060 |
#ifndef PRODUCT |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
1061 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
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|
1062 |
#endif |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
1063 |
}; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1064 |
|
1 | 1065 |
//------------------------------TypeKlassPtr----------------------------------- |
1066 |
// Class of Java Klass pointers |
|
13728
882756847a04
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13104
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changeset
|
1067 |
class TypeKlassPtr : public TypePtr { |
1 | 1068 |
TypeKlassPtr( PTR ptr, ciKlass* klass, int offset ); |
1069 |
||
13728
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|
1070 |
public: |
1 | 1071 |
virtual bool eq( const Type *t ) const; |
1072 |
virtual int hash() const; // Type specific hashing |
|
13728
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|
1073 |
virtual bool singleton(void) const; // TRUE if type is a singleton |
882756847a04
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|
1074 |
private: |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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diff
changeset
|
1075 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1076 |
static const TypeKlassPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact); |
882756847a04
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|
1077 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1078 |
ciKlass* _klass; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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|
1079 |
|
882756847a04
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changeset
|
1080 |
// Does the type exclude subclasses of the klass? (Inexact == polymorphic.) |
882756847a04
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changeset
|
1081 |
bool _klass_is_exact; |
1 | 1082 |
|
1083 |
public: |
|
13728
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|
1084 |
ciSymbol* name() const { return klass()->name(); } |
882756847a04
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|
1085 |
|
882756847a04
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changeset
|
1086 |
ciKlass* klass() const { return _klass; } |
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|
1087 |
bool klass_is_exact() const { return _klass_is_exact; } |
882756847a04
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|
1088 |
|
882756847a04
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changeset
|
1089 |
bool is_loaded() const { return klass()->is_loaded(); } |
1 | 1090 |
|
13728
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|
1091 |
// Creates a type given a klass. Correctly handles multi-dimensional arrays |
882756847a04
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coleenp
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|
1092 |
// Respects UseUniqueSubclasses. |
882756847a04
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|
1093 |
// If the klass is final, the resulting type will be exact. |
882756847a04
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changeset
|
1094 |
static const TypeKlassPtr* make_from_klass(ciKlass* klass) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1095 |
return make_from_klass_common(klass, true, false); |
882756847a04
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|
1096 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1097 |
// Same as before, but will produce an exact type, even if |
882756847a04
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changeset
|
1098 |
// the klass is not final, as long as it has exactly one implementation. |
882756847a04
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changeset
|
1099 |
static const TypeKlassPtr* make_from_klass_unique(ciKlass* klass) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1100 |
return make_from_klass_common(klass, true, true); |
882756847a04
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|
1101 |
} |
882756847a04
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changeset
|
1102 |
// Same as before, but does not respects UseUniqueSubclasses. |
882756847a04
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|
1103 |
// Use this only for creating array element types. |
882756847a04
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|
1104 |
static const TypeKlassPtr* make_from_klass_raw(ciKlass* klass) { |
882756847a04
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1105 |
return make_from_klass_common(klass, false, false); |
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1106 |
} |
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|
1107 |
|
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|
1108 |
// Make a generic (unclassed) pointer to metadata. |
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|
1109 |
static const TypeKlassPtr* make(PTR ptr, int offset); |
2019 | 1110 |
|
1 | 1111 |
// ptr to klass 'k' |
1112 |
static const TypeKlassPtr *make( ciKlass* k ) { return make( TypePtr::Constant, k, 0); } |
|
1113 |
// ptr to klass 'k' with offset |
|
1114 |
static const TypeKlassPtr *make( ciKlass* k, int offset ) { return make( TypePtr::Constant, k, offset); } |
|
1115 |
// ptr to klass 'k' or sub-klass |
|
1116 |
static const TypeKlassPtr *make( PTR ptr, ciKlass* k, int offset); |
|
1117 |
||
1118 |
virtual const Type *cast_to_ptr_type(PTR ptr) const; |
|
1119 |
||
1120 |
virtual const Type *cast_to_exactness(bool klass_is_exact) const; |
|
1121 |
||
1122 |
// corresponding pointer to instance, for a given class |
|
1123 |
const TypeOopPtr* as_instance_type() const; |
|
1124 |
||
1068
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|
1125 |
virtual const TypePtr *add_offset( intptr_t offset ) const; |
1 | 1126 |
virtual const Type *xmeet( const Type *t ) const; |
1127 |
virtual const Type *xdual() const; // Compute dual right now. |
|
1128 |
||
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1129 |
virtual intptr_t get_con() const; |
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|
1130 |
|
1 | 1131 |
// Convenience common pre-built types. |
1132 |
static const TypeKlassPtr* OBJECT; // Not-null object klass or below |
|
1133 |
static const TypeKlassPtr* OBJECT_OR_NULL; // Maybe-null version of same |
|
1134 |
#ifndef PRODUCT |
|
1135 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping |
|
1136 |
#endif |
|
1137 |
}; |
|
1138 |
||
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|
1139 |
class TypeNarrowPtr : public Type { |
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1140 |
protected: |
3180
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|
1141 |
const TypePtr* _ptrtype; // Could be TypePtr::NULL_PTR |
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1142 |
|
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|
1143 |
TypeNarrowPtr(TYPES t, const TypePtr* ptrtype): _ptrtype(ptrtype), |
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|
1144 |
Type(t) { |
3180
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|
1145 |
assert(ptrtype->offset() == 0 || |
c589129153a4
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never
parents:
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|
1146 |
ptrtype->offset() == OffsetBot || |
c589129153a4
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|
1147 |
ptrtype->offset() == OffsetTop, "no real offsets"); |
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|
1148 |
} |
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|
1149 |
|
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|
1150 |
virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const = 0; |
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|
1151 |
virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const = 0; |
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|
1152 |
virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const = 0; |
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|
1153 |
virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const = 0; |
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|
1154 |
public: |
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|
1155 |
virtual bool eq( const Type *t ) const; |
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|
1156 |
virtual int hash() const; // Type specific hashing |
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|
1157 |
virtual bool singleton(void) const; // TRUE if type is a singleton |
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|
1158 |
|
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|
1159 |
virtual const Type *xmeet( const Type *t ) const; |
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|
1160 |
virtual const Type *xdual() const; // Compute dual right now. |
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|
1161 |
|
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|
1162 |
virtual intptr_t get_con() const; |
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|
1163 |
|
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|
1164 |
// Do not allow interface-vs.-noninterface joins to collapse to top. |
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|
1165 |
virtual const Type *filter( const Type *kills ) const; |
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|
1166 |
|
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|
1167 |
virtual bool empty(void) const; // TRUE if type is vacuous |
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|
1168 |
|
13969
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|
1169 |
// returns the equivalent ptr type for this compressed pointer |
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|
1170 |
const TypePtr *get_ptrtype() const { |
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|
1171 |
return _ptrtype; |
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|
1172 |
} |
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|
1173 |
|
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|
1174 |
#ifndef PRODUCT |
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|
1175 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; |
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|
1176 |
#endif |
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changeset
|
1177 |
}; |
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changeset
|
1178 |
|
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|
1179 |
//------------------------------TypeNarrowOop---------------------------------- |
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|
1180 |
// A compressed reference to some kind of Oop. This type wraps around |
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|
1181 |
// a preexisting TypeOopPtr and forwards most of it's operations to |
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|
1182 |
// the underlying type. It's only real purpose is to track the |
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|
1183 |
// oopness of the compressed oop value when we expose the conversion |
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|
1184 |
// between the normal and the compressed form. |
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|
1185 |
class TypeNarrowOop : public TypeNarrowPtr { |
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|
1186 |
protected: |
d2a189b83b87
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|
1187 |
TypeNarrowOop( const TypePtr* ptrtype): TypeNarrowPtr(NarrowOop, ptrtype) { |
d2a189b83b87
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|
1188 |
} |
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diff
changeset
|
1189 |
|
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changeset
|
1190 |
virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const { |
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|
1191 |
return t->isa_narrowoop(); |
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changeset
|
1192 |
} |
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changeset
|
1193 |
|
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|
1194 |
virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const { |
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|
1195 |
return t->is_narrowoop(); |
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changeset
|
1196 |
} |
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changeset
|
1197 |
|
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|
1198 |
virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const { |
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|
1199 |
return new TypeNarrowOop(t); |
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diff
changeset
|
1200 |
} |
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changeset
|
1201 |
|
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|
1202 |
virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const { |
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|
1203 |
return (const TypeNarrowPtr*)((new TypeNarrowOop(t))->hashcons()); |
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|
1204 |
} |
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|
1205 |
|
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|
1206 |
public: |
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|
1207 |
|
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|
1208 |
static const TypeNarrowOop *make( const TypePtr* type); |
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|
1209 |
|
8728
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|
1210 |
static const TypeNarrowOop* make_from_constant(ciObject* con, bool require_constant = false) { |
3f1bcd33068e
6962931: move interned strings out of the perm gen
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|
1211 |
return make(TypeOopPtr::make_from_constant(con, require_constant)); |
360
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|
1212 |
} |
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|
1213 |
|
13969
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|
1214 |
static const TypeNarrowOop *BOTTOM; |
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|
1215 |
static const TypeNarrowOop *NULL_PTR; |
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|
1216 |
|
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|
1217 |
#ifndef PRODUCT |
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|
1218 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; |
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|
1219 |
#endif |
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|
1220 |
}; |
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|
1221 |
|
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|
1222 |
//------------------------------TypeNarrowKlass---------------------------------- |
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|
1223 |
// A compressed reference to klass pointer. This type wraps around a |
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|
1224 |
// preexisting TypeKlassPtr and forwards most of it's operations to |
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|
1225 |
// the underlying type. |
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|
1226 |
class TypeNarrowKlass : public TypeNarrowPtr { |
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|
1227 |
protected: |
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|
1228 |
TypeNarrowKlass( const TypePtr* ptrtype): TypeNarrowPtr(NarrowKlass, ptrtype) { |
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|
1229 |
} |
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|
1230 |
|
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|
1231 |
virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const { |
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|
1232 |
return t->isa_narrowklass(); |
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|
1233 |
} |
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changeset
|
1234 |
|
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|
1235 |
virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const { |
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|
1236 |
return t->is_narrowklass(); |
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|
1237 |
} |
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changeset
|
1238 |
|
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|
1239 |
virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const { |
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|
1240 |
return new TypeNarrowKlass(t); |
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changeset
|
1241 |
} |
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changeset
|
1242 |
|
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changeset
|
1243 |
virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const { |
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|
1244 |
return (const TypeNarrowPtr*)((new TypeNarrowKlass(t))->hashcons()); |
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|
1245 |
} |
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changeset
|
1246 |
|
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|
1247 |
public: |
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|
1248 |
static const TypeNarrowKlass *make( const TypePtr* type); |
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|
1249 |
|
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|
1250 |
// static const TypeNarrowKlass *BOTTOM; |
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|
1251 |
static const TypeNarrowKlass *NULL_PTR; |
360
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|
1252 |
|
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|
1253 |
#ifndef PRODUCT |
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|
1254 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; |
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|
1255 |
#endif |
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|
1256 |
}; |
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1257 |
|
1 | 1258 |
//------------------------------TypeFunc--------------------------------------- |
1259 |
// Class of Array Types |
|
1260 |
class TypeFunc : public Type { |
|
1261 |
TypeFunc( const TypeTuple *domain, const TypeTuple *range ) : Type(Function), _domain(domain), _range(range) {} |
|
1262 |
virtual bool eq( const Type *t ) const; |
|
1263 |
virtual int hash() const; // Type specific hashing |
|
1264 |
virtual bool singleton(void) const; // TRUE if type is a singleton |
|
1265 |
virtual bool empty(void) const; // TRUE if type is vacuous |
|
1266 |
public: |
|
1267 |
// Constants are shared among ADLC and VM |
|
1268 |
enum { Control = AdlcVMDeps::Control, |
|
1269 |
I_O = AdlcVMDeps::I_O, |
|
1270 |
Memory = AdlcVMDeps::Memory, |
|
1271 |
FramePtr = AdlcVMDeps::FramePtr, |
|
1272 |
ReturnAdr = AdlcVMDeps::ReturnAdr, |
|
1273 |
Parms = AdlcVMDeps::Parms |
|
1274 |
}; |
|
1275 |
||
1276 |
const TypeTuple* const _domain; // Domain of inputs |
|
1277 |
const TypeTuple* const _range; // Range of results |
|
1278 |
||
1279 |
// Accessors: |
|
1280 |
const TypeTuple* domain() const { return _domain; } |
|
1281 |
const TypeTuple* range() const { return _range; } |
|
1282 |
||
1283 |
static const TypeFunc *make(ciMethod* method); |
|
1284 |
static const TypeFunc *make(ciSignature signature, const Type* extra); |
|
1285 |
static const TypeFunc *make(const TypeTuple* domain, const TypeTuple* range); |
|
1286 |
||
1287 |
virtual const Type *xmeet( const Type *t ) const; |
|
1288 |
virtual const Type *xdual() const; // Compute dual right now. |
|
1289 |
||
1290 |
BasicType return_type() const; |
|
1291 |
||
1292 |
#ifndef PRODUCT |
|
1293 |
virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping |
|
1294 |
#endif |
|
1295 |
// Convenience common pre-built types. |
|
1296 |
}; |
|
1297 |
||
1298 |
//------------------------------accessors-------------------------------------- |
|
589 | 1299 |
inline bool Type::is_ptr_to_narrowoop() const { |
1300 |
#ifdef _LP64 |
|
1301 |
return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowoop_nv()); |
|
1302 |
#else |
|
1303 |
return false; |
|
1304 |
#endif |
|
1305 |
} |
|
1306 |
||
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|
1307 |
inline bool Type::is_ptr_to_narrowklass() const { |
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|
1308 |
#ifdef _LP64 |
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|
1309 |
return (isa_oopptr() != NULL && is_oopptr()->is_ptr_to_narrowklass_nv()); |
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|
1310 |
#else |
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|
1311 |
return false; |
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|
1312 |
#endif |
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|
1313 |
} |
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|
1314 |
|
1 | 1315 |
inline float Type::getf() const { |
1316 |
assert( _base == FloatCon, "Not a FloatCon" ); |
|
1317 |
return ((TypeF*)this)->_f; |
|
1318 |
} |
|
1319 |
||
1320 |
inline double Type::getd() const { |
|
1321 |
assert( _base == DoubleCon, "Not a DoubleCon" ); |
|
1322 |
return ((TypeD*)this)->_d; |
|
1323 |
} |
|
1324 |
||
1325 |
inline const TypeInt *Type::is_int() const { |
|
1326 |
assert( _base == Int, "Not an Int" ); |
|
1327 |
return (TypeInt*)this; |
|
1328 |
} |
|
1329 |
||
1330 |
inline const TypeInt *Type::isa_int() const { |
|
1331 |
return ( _base == Int ? (TypeInt*)this : NULL); |
|
1332 |
} |
|
1333 |
||
1334 |
inline const TypeLong *Type::is_long() const { |
|
1335 |
assert( _base == Long, "Not a Long" ); |
|
1336 |
return (TypeLong*)this; |
|
1337 |
} |
|
1338 |
||
1339 |
inline const TypeLong *Type::isa_long() const { |
|
1340 |
return ( _base == Long ? (TypeLong*)this : NULL); |
|
1341 |
} |
|
1342 |
||
14621
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|
1343 |
inline const TypeF *Type::isa_float() const { |
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|
1344 |
return ((_base == FloatTop || |
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|
1345 |
_base == FloatCon || |
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|
1346 |
_base == FloatBot) ? (TypeF*)this : NULL); |
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|
1347 |
} |
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|
1348 |
|
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|
1349 |
inline const TypeF *Type::is_float_constant() const { |
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|
1350 |
assert( _base == FloatCon, "Not a Float" ); |
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|
1351 |
return (TypeF*)this; |
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|
1352 |
} |
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changeset
|
1353 |
|
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|
1354 |
inline const TypeF *Type::isa_float_constant() const { |
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|
1355 |
return ( _base == FloatCon ? (TypeF*)this : NULL); |
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|
1356 |
} |
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changeset
|
1357 |
|
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changeset
|
1358 |
inline const TypeD *Type::isa_double() const { |
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|
1359 |
return ((_base == DoubleTop || |
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changeset
|
1360 |
_base == DoubleCon || |
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changeset
|
1361 |
_base == DoubleBot) ? (TypeD*)this : NULL); |
fd9265ab0f67
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|
1362 |
} |
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changeset
|
1363 |
|
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changeset
|
1364 |
inline const TypeD *Type::is_double_constant() const { |
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|
1365 |
assert( _base == DoubleCon, "Not a Double" ); |
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|
1366 |
return (TypeD*)this; |
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|
1367 |
} |
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diff
changeset
|
1368 |
|
fd9265ab0f67
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13969
diff
changeset
|
1369 |
inline const TypeD *Type::isa_double_constant() const { |
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twisti
parents:
13969
diff
changeset
|
1370 |
return ( _base == DoubleCon ? (TypeD*)this : NULL); |
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twisti
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|
1371 |
} |
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changeset
|
1372 |
|
1 | 1373 |
inline const TypeTuple *Type::is_tuple() const { |
1374 |
assert( _base == Tuple, "Not a Tuple" ); |
|
1375 |
return (TypeTuple*)this; |
|
1376 |
} |
|
1377 |
||
1378 |
inline const TypeAry *Type::is_ary() const { |
|
1379 |
assert( _base == Array , "Not an Array" ); |
|
1380 |
return (TypeAry*)this; |
|
1381 |
} |
|
1382 |
||
13104
657b387034fb
7119644: Increase superword's vector size up to 256 bits
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changeset
|
1383 |
inline const TypeVect *Type::is_vect() const { |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
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10547
diff
changeset
|
1384 |
assert( _base >= VectorS && _base <= VectorY, "Not a Vector" ); |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10547
diff
changeset
|
1385 |
return (TypeVect*)this; |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
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parents:
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diff
changeset
|
1386 |
} |
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7119644: Increase superword's vector size up to 256 bits
kvn
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10547
diff
changeset
|
1387 |
|
657b387034fb
7119644: Increase superword's vector size up to 256 bits
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10547
diff
changeset
|
1388 |
inline const TypeVect *Type::isa_vect() const { |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
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parents:
10547
diff
changeset
|
1389 |
return (_base >= VectorS && _base <= VectorY) ? (TypeVect*)this : NULL; |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10547
diff
changeset
|
1390 |
} |
657b387034fb
7119644: Increase superword's vector size up to 256 bits
kvn
parents:
10547
diff
changeset
|
1391 |
|
1 | 1392 |
inline const TypePtr *Type::is_ptr() const { |
1393 |
// AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between. |
|
1394 |
assert(_base >= AnyPtr && _base <= KlassPtr, "Not a pointer"); |
|
1395 |
return (TypePtr*)this; |
|
1396 |
} |
|
1397 |
||
1398 |
inline const TypePtr *Type::isa_ptr() const { |
|
1399 |
// AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between. |
|
1400 |
return (_base >= AnyPtr && _base <= KlassPtr) ? (TypePtr*)this : NULL; |
|
1401 |
} |
|
1402 |
||
1403 |
inline const TypeOopPtr *Type::is_oopptr() const { |
|
1404 |
// OopPtr is the first and KlassPtr the last, with no non-oops between. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13104
diff
changeset
|
1405 |
assert(_base >= OopPtr && _base <= AryPtr, "Not a Java pointer" ) ; |
1 | 1406 |
return (TypeOopPtr*)this; |
1407 |
} |
|
1408 |
||
1409 |
inline const TypeOopPtr *Type::isa_oopptr() const { |
|
1410 |
// OopPtr is the first and KlassPtr the last, with no non-oops between. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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diff
changeset
|
1411 |
return (_base >= OopPtr && _base <= AryPtr) ? (TypeOopPtr*)this : NULL; |
1 | 1412 |
} |
1413 |
||
360
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|
1414 |
inline const TypeRawPtr *Type::isa_rawptr() const { |
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|
1415 |
return (_base == RawPtr) ? (TypeRawPtr*)this : NULL; |
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|
1416 |
} |
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changeset
|
1417 |
|
1 | 1418 |
inline const TypeRawPtr *Type::is_rawptr() const { |
1419 |
assert( _base == RawPtr, "Not a raw pointer" ); |
|
1420 |
return (TypeRawPtr*)this; |
|
1421 |
} |
|
1422 |
||
1423 |
inline const TypeInstPtr *Type::isa_instptr() const { |
|
1424 |
return (_base == InstPtr) ? (TypeInstPtr*)this : NULL; |
|
1425 |
} |
|
1426 |
||
1427 |
inline const TypeInstPtr *Type::is_instptr() const { |
|
1428 |
assert( _base == InstPtr, "Not an object pointer" ); |
|
1429 |
return (TypeInstPtr*)this; |
|
1430 |
} |
|
1431 |
||
1432 |
inline const TypeAryPtr *Type::isa_aryptr() const { |
|
1433 |
return (_base == AryPtr) ? (TypeAryPtr*)this : NULL; |
|
1434 |
} |
|
1435 |
||
1436 |
inline const TypeAryPtr *Type::is_aryptr() const { |
|
1437 |
assert( _base == AryPtr, "Not an array pointer" ); |
|
1438 |
return (TypeAryPtr*)this; |
|
1439 |
} |
|
1440 |
||
360
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|
1441 |
inline const TypeNarrowOop *Type::is_narrowoop() const { |
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|
1442 |
// OopPtr is the first and KlassPtr the last, with no non-oops between. |
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|
1443 |
assert(_base == NarrowOop, "Not a narrow oop" ) ; |
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|
1444 |
return (TypeNarrowOop*)this; |
21d113ecbf6a
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|
1445 |
} |
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changeset
|
1446 |
|
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changeset
|
1447 |
inline const TypeNarrowOop *Type::isa_narrowoop() const { |
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|
1448 |
// OopPtr is the first and KlassPtr the last, with no non-oops between. |
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|
1449 |
return (_base == NarrowOop) ? (TypeNarrowOop*)this : NULL; |
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|
1450 |
} |
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|
1451 |
|
13969
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diff
changeset
|
1452 |
inline const TypeNarrowKlass *Type::is_narrowklass() const { |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1453 |
assert(_base == NarrowKlass, "Not a narrow oop" ) ; |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1454 |
return (TypeNarrowKlass*)this; |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1455 |
} |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
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13728
diff
changeset
|
1456 |
|
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1457 |
inline const TypeNarrowKlass *Type::isa_narrowklass() const { |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1458 |
return (_base == NarrowKlass) ? (TypeNarrowKlass*)this : NULL; |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
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diff
changeset
|
1459 |
} |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1460 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13104
diff
changeset
|
1461 |
inline const TypeMetadataPtr *Type::is_metadataptr() const { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13104
diff
changeset
|
1462 |
// MetadataPtr is the first and CPCachePtr the last |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13104
diff
changeset
|
1463 |
assert(_base == MetadataPtr, "Not a metadata pointer" ) ; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13104
diff
changeset
|
1464 |
return (TypeMetadataPtr*)this; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13104
diff
changeset
|
1465 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13104
diff
changeset
|
1466 |
|
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13104
diff
changeset
|
1467 |
inline const TypeMetadataPtr *Type::isa_metadataptr() const { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13104
diff
changeset
|
1468 |
return (_base == MetadataPtr) ? (TypeMetadataPtr*)this : NULL; |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13104
diff
changeset
|
1469 |
} |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13104
diff
changeset
|
1470 |
|
1 | 1471 |
inline const TypeKlassPtr *Type::isa_klassptr() const { |
1472 |
return (_base == KlassPtr) ? (TypeKlassPtr*)this : NULL; |
|
1473 |
} |
|
1474 |
||
1475 |
inline const TypeKlassPtr *Type::is_klassptr() const { |
|
1476 |
assert( _base == KlassPtr, "Not a klass pointer" ); |
|
1477 |
return (TypeKlassPtr*)this; |
|
1478 |
} |
|
1479 |
||
767
64fb1fd7186d
6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode
kvn
parents:
589
diff
changeset
|
1480 |
inline const TypePtr* Type::make_ptr() const { |
3180
c589129153a4
6856025: assert(_base >= OopPtr && _base <= KlassPtr,"Not a Java pointer")
never
parents:
3173
diff
changeset
|
1481 |
return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype() : |
13969
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1482 |
((_base == NarrowKlass) ? is_narrowklass()->get_ptrtype() : |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1483 |
(isa_ptr() ? is_ptr() : NULL)); |
767
64fb1fd7186d
6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode
kvn
parents:
589
diff
changeset
|
1484 |
} |
64fb1fd7186d
6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode
kvn
parents:
589
diff
changeset
|
1485 |
|
3180
c589129153a4
6856025: assert(_base >= OopPtr && _base <= KlassPtr,"Not a Java pointer")
never
parents:
3173
diff
changeset
|
1486 |
inline const TypeOopPtr* Type::make_oopptr() const { |
c589129153a4
6856025: assert(_base >= OopPtr && _base <= KlassPtr,"Not a Java pointer")
never
parents:
3173
diff
changeset
|
1487 |
return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype()->is_oopptr() : is_oopptr(); |
c589129153a4
6856025: assert(_base >= OopPtr && _base <= KlassPtr,"Not a Java pointer")
never
parents:
3173
diff
changeset
|
1488 |
} |
c589129153a4
6856025: assert(_base >= OopPtr && _base <= KlassPtr,"Not a Java pointer")
never
parents:
3173
diff
changeset
|
1489 |
|
767
64fb1fd7186d
6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode
kvn
parents:
589
diff
changeset
|
1490 |
inline const TypeNarrowOop* Type::make_narrowoop() const { |
64fb1fd7186d
6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode
kvn
parents:
589
diff
changeset
|
1491 |
return (_base == NarrowOop) ? is_narrowoop() : |
64fb1fd7186d
6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode
kvn
parents:
589
diff
changeset
|
1492 |
(isa_ptr() ? TypeNarrowOop::make(is_ptr()) : NULL); |
64fb1fd7186d
6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode
kvn
parents:
589
diff
changeset
|
1493 |
} |
64fb1fd7186d
6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode
kvn
parents:
589
diff
changeset
|
1494 |
|
13969
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1495 |
inline const TypeNarrowKlass* Type::make_narrowklass() const { |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1496 |
return (_base == NarrowKlass) ? is_narrowklass() : |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1497 |
(isa_ptr() ? TypeNarrowKlass::make(is_ptr()) : NULL); |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1498 |
} |
d2a189b83b87
7054512: Compress class pointers after perm gen removal
roland
parents:
13728
diff
changeset
|
1499 |
|
1 | 1500 |
inline bool Type::is_floatingpoint() const { |
1501 |
if( (_base == FloatCon) || (_base == FloatBot) || |
|
1502 |
(_base == DoubleCon) || (_base == DoubleBot) ) |
|
1503 |
return true; |
|
1504 |
return false; |
|
1505 |
} |
|
1506 |
||
1507 |
||
1508 |
// =============================================================== |
|
1509 |
// Things that need to be 64-bits in the 64-bit build but |
|
1510 |
// 32-bits in the 32-bit build. Done this way to get full |
|
1511 |
// optimization AND strong typing. |
|
1512 |
#ifdef _LP64 |
|
1513 |
||
1514 |
// For type queries and asserts |
|
1515 |
#define is_intptr_t is_long |
|
1516 |
#define isa_intptr_t isa_long |
|
1517 |
#define find_intptr_t_type find_long_type |
|
1518 |
#define find_intptr_t_con find_long_con |
|
1519 |
#define TypeX TypeLong |
|
1520 |
#define Type_X Type::Long |
|
1521 |
#define TypeX_X TypeLong::LONG |
|
1522 |
#define TypeX_ZERO TypeLong::ZERO |
|
1523 |
// For 'ideal_reg' machine registers |
|
1524 |
#define Op_RegX Op_RegL |
|
1525 |
// For phase->intcon variants |
|
1526 |
#define MakeConX longcon |
|
1527 |
#define ConXNode ConLNode |
|
1528 |
// For array index arithmetic |
|
1529 |
#define MulXNode MulLNode |
|
1530 |
#define AndXNode AndLNode |
|
1531 |
#define OrXNode OrLNode |
|
1532 |
#define CmpXNode CmpLNode |
|
1533 |
#define SubXNode SubLNode |
|
1534 |
#define LShiftXNode LShiftLNode |
|
1535 |
// For object size computation: |
|
1536 |
#define AddXNode AddLNode |
|
190
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1537 |
#define RShiftXNode RShiftLNode |
1 | 1538 |
// For card marks and hashcodes |
1539 |
#define URShiftXNode URShiftLNode |
|
1500
bea9a90f3e8f
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
1398
diff
changeset
|
1540 |
// UseOptoBiasInlining |
bea9a90f3e8f
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
1398
diff
changeset
|
1541 |
#define XorXNode XorLNode |
bea9a90f3e8f
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
1398
diff
changeset
|
1542 |
#define StoreXConditionalNode StoreLConditionalNode |
1 | 1543 |
// Opcodes |
1544 |
#define Op_LShiftX Op_LShiftL |
|
1545 |
#define Op_AndX Op_AndL |
|
1546 |
#define Op_AddX Op_AddL |
|
1547 |
#define Op_SubX Op_SubL |
|
3268
f034e0c86895
6851742: (EA) allocation elimination doesn't work with UseG1GC
kvn
parents:
3180
diff
changeset
|
1548 |
#define Op_XorX Op_XorL |
f034e0c86895
6851742: (EA) allocation elimination doesn't work with UseG1GC
kvn
parents:
3180
diff
changeset
|
1549 |
#define Op_URShiftX Op_URShiftL |
1 | 1550 |
// conversions |
1551 |
#define ConvI2X(x) ConvI2L(x) |
|
1552 |
#define ConvL2X(x) (x) |
|
1553 |
#define ConvX2I(x) ConvL2I(x) |
|
1554 |
#define ConvX2L(x) (x) |
|
1555 |
||
1556 |
#else |
|
1557 |
||
1558 |
// For type queries and asserts |
|
1559 |
#define is_intptr_t is_int |
|
1560 |
#define isa_intptr_t isa_int |
|
1561 |
#define find_intptr_t_type find_int_type |
|
1562 |
#define find_intptr_t_con find_int_con |
|
1563 |
#define TypeX TypeInt |
|
1564 |
#define Type_X Type::Int |
|
1565 |
#define TypeX_X TypeInt::INT |
|
1566 |
#define TypeX_ZERO TypeInt::ZERO |
|
1567 |
// For 'ideal_reg' machine registers |
|
1568 |
#define Op_RegX Op_RegI |
|
1569 |
// For phase->intcon variants |
|
1570 |
#define MakeConX intcon |
|
1571 |
#define ConXNode ConINode |
|
1572 |
// For array index arithmetic |
|
1573 |
#define MulXNode MulINode |
|
1574 |
#define AndXNode AndINode |
|
1575 |
#define OrXNode OrINode |
|
1576 |
#define CmpXNode CmpINode |
|
1577 |
#define SubXNode SubINode |
|
1578 |
#define LShiftXNode LShiftINode |
|
1579 |
// For object size computation: |
|
1580 |
#define AddXNode AddINode |
|
190
e9a0a9dcd4f6
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
1
diff
changeset
|
1581 |
#define RShiftXNode RShiftINode |
1 | 1582 |
// For card marks and hashcodes |
1583 |
#define URShiftXNode URShiftINode |
|
1500
bea9a90f3e8f
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
1398
diff
changeset
|
1584 |
// UseOptoBiasInlining |
bea9a90f3e8f
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
1398
diff
changeset
|
1585 |
#define XorXNode XorINode |
bea9a90f3e8f
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
1398
diff
changeset
|
1586 |
#define StoreXConditionalNode StoreIConditionalNode |
1 | 1587 |
// Opcodes |
1588 |
#define Op_LShiftX Op_LShiftI |
|
1589 |
#define Op_AndX Op_AndI |
|
1590 |
#define Op_AddX Op_AddI |
|
1591 |
#define Op_SubX Op_SubI |
|
3268
f034e0c86895
6851742: (EA) allocation elimination doesn't work with UseG1GC
kvn
parents:
3180
diff
changeset
|
1592 |
#define Op_XorX Op_XorI |
f034e0c86895
6851742: (EA) allocation elimination doesn't work with UseG1GC
kvn
parents:
3180
diff
changeset
|
1593 |
#define Op_URShiftX Op_URShiftI |
1 | 1594 |
// conversions |
1595 |
#define ConvI2X(x) (x) |
|
1596 |
#define ConvL2X(x) ConvL2I(x) |
|
1597 |
#define ConvX2I(x) (x) |
|
1598 |
#define ConvX2L(x) ConvI2L(x) |
|
1599 |
||
1600 |
#endif |
|
7397 | 1601 |
|
1602 |
#endif // SHARE_VM_OPTO_TYPE_HPP |