Tue, 08 Aug 2017 15:57:29 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #ifndef SHARE_VM_OPTO_CONNODE_HPP |
aoqi@0 | 26 | #define SHARE_VM_OPTO_CONNODE_HPP |
aoqi@0 | 27 | |
aoqi@0 | 28 | #include "opto/node.hpp" |
aoqi@0 | 29 | #include "opto/opcodes.hpp" |
aoqi@0 | 30 | #include "opto/type.hpp" |
aoqi@0 | 31 | |
aoqi@0 | 32 | class PhaseTransform; |
aoqi@0 | 33 | class MachNode; |
aoqi@0 | 34 | |
aoqi@0 | 35 | //------------------------------ConNode---------------------------------------- |
aoqi@0 | 36 | // Simple constants |
aoqi@0 | 37 | class ConNode : public TypeNode { |
aoqi@0 | 38 | public: |
aoqi@0 | 39 | ConNode( const Type *t ) : TypeNode(t->remove_speculative(),1) { |
aoqi@0 | 40 | init_req(0, (Node*)Compile::current()->root()); |
aoqi@0 | 41 | init_flags(Flag_is_Con); |
aoqi@0 | 42 | } |
aoqi@0 | 43 | virtual int Opcode() const; |
aoqi@0 | 44 | virtual uint hash() const; |
aoqi@0 | 45 | virtual const RegMask &out_RegMask() const { return RegMask::Empty; } |
aoqi@0 | 46 | virtual const RegMask &in_RegMask(uint) const { return RegMask::Empty; } |
aoqi@0 | 47 | |
aoqi@0 | 48 | // Polymorphic factory method: |
aoqi@0 | 49 | static ConNode* make( Compile* C, const Type *t ); |
aoqi@0 | 50 | }; |
aoqi@0 | 51 | |
aoqi@0 | 52 | //------------------------------ConINode--------------------------------------- |
aoqi@0 | 53 | // Simple integer constants |
aoqi@0 | 54 | class ConINode : public ConNode { |
aoqi@0 | 55 | public: |
aoqi@0 | 56 | ConINode( const TypeInt *t ) : ConNode(t) {} |
aoqi@0 | 57 | virtual int Opcode() const; |
aoqi@0 | 58 | |
aoqi@0 | 59 | // Factory method: |
aoqi@0 | 60 | static ConINode* make( Compile* C, int con ) { |
aoqi@0 | 61 | return new (C) ConINode( TypeInt::make(con) ); |
aoqi@0 | 62 | } |
aoqi@0 | 63 | |
aoqi@0 | 64 | }; |
aoqi@0 | 65 | |
aoqi@0 | 66 | //------------------------------ConPNode--------------------------------------- |
aoqi@0 | 67 | // Simple pointer constants |
aoqi@0 | 68 | class ConPNode : public ConNode { |
aoqi@0 | 69 | public: |
aoqi@0 | 70 | ConPNode( const TypePtr *t ) : ConNode(t) {} |
aoqi@0 | 71 | virtual int Opcode() const; |
aoqi@0 | 72 | |
aoqi@0 | 73 | // Factory methods: |
aoqi@0 | 74 | static ConPNode* make( Compile *C ,address con ) { |
aoqi@0 | 75 | if (con == NULL) |
aoqi@0 | 76 | return new (C) ConPNode( TypePtr::NULL_PTR ) ; |
aoqi@0 | 77 | else |
aoqi@0 | 78 | return new (C) ConPNode( TypeRawPtr::make(con) ); |
aoqi@0 | 79 | } |
aoqi@0 | 80 | }; |
aoqi@0 | 81 | |
aoqi@0 | 82 | |
aoqi@0 | 83 | //------------------------------ConNNode-------------------------------------- |
aoqi@0 | 84 | // Simple narrow oop constants |
aoqi@0 | 85 | class ConNNode : public ConNode { |
aoqi@0 | 86 | public: |
aoqi@0 | 87 | ConNNode( const TypeNarrowOop *t ) : ConNode(t) {} |
aoqi@0 | 88 | virtual int Opcode() const; |
aoqi@0 | 89 | }; |
aoqi@0 | 90 | |
aoqi@0 | 91 | //------------------------------ConNKlassNode--------------------------------- |
aoqi@0 | 92 | // Simple narrow klass constants |
aoqi@0 | 93 | class ConNKlassNode : public ConNode { |
aoqi@0 | 94 | public: |
aoqi@0 | 95 | ConNKlassNode( const TypeNarrowKlass *t ) : ConNode(t) {} |
aoqi@0 | 96 | virtual int Opcode() const; |
aoqi@0 | 97 | }; |
aoqi@0 | 98 | |
aoqi@0 | 99 | |
aoqi@0 | 100 | //------------------------------ConLNode--------------------------------------- |
aoqi@0 | 101 | // Simple long constants |
aoqi@0 | 102 | class ConLNode : public ConNode { |
aoqi@0 | 103 | public: |
aoqi@0 | 104 | ConLNode( const TypeLong *t ) : ConNode(t) {} |
aoqi@0 | 105 | virtual int Opcode() const; |
aoqi@0 | 106 | |
aoqi@0 | 107 | // Factory method: |
aoqi@0 | 108 | static ConLNode* make( Compile *C ,jlong con ) { |
aoqi@0 | 109 | return new (C) ConLNode( TypeLong::make(con) ); |
aoqi@0 | 110 | } |
aoqi@0 | 111 | |
aoqi@0 | 112 | }; |
aoqi@0 | 113 | |
aoqi@0 | 114 | //------------------------------ConFNode--------------------------------------- |
aoqi@0 | 115 | // Simple float constants |
aoqi@0 | 116 | class ConFNode : public ConNode { |
aoqi@0 | 117 | public: |
aoqi@0 | 118 | ConFNode( const TypeF *t ) : ConNode(t) {} |
aoqi@0 | 119 | virtual int Opcode() const; |
aoqi@0 | 120 | |
aoqi@0 | 121 | // Factory method: |
aoqi@0 | 122 | static ConFNode* make( Compile *C, float con ) { |
aoqi@0 | 123 | return new (C) ConFNode( TypeF::make(con) ); |
aoqi@0 | 124 | } |
aoqi@0 | 125 | |
aoqi@0 | 126 | }; |
aoqi@0 | 127 | |
aoqi@0 | 128 | //------------------------------ConDNode--------------------------------------- |
aoqi@0 | 129 | // Simple double constants |
aoqi@0 | 130 | class ConDNode : public ConNode { |
aoqi@0 | 131 | public: |
aoqi@0 | 132 | ConDNode( const TypeD *t ) : ConNode(t) {} |
aoqi@0 | 133 | virtual int Opcode() const; |
aoqi@0 | 134 | |
aoqi@0 | 135 | // Factory method: |
aoqi@0 | 136 | static ConDNode* make( Compile *C, double con ) { |
aoqi@0 | 137 | return new (C) ConDNode( TypeD::make(con) ); |
aoqi@0 | 138 | } |
aoqi@0 | 139 | |
aoqi@0 | 140 | }; |
aoqi@0 | 141 | |
aoqi@0 | 142 | //------------------------------BinaryNode------------------------------------- |
aoqi@0 | 143 | // Place holder for the 2 conditional inputs to a CMove. CMove needs 4 |
aoqi@0 | 144 | // inputs: the Bool (for the lt/gt/eq/ne bits), the flags (result of some |
aoqi@0 | 145 | // compare), and the 2 values to select between. The Matcher requires a |
aoqi@0 | 146 | // binary tree so we break it down like this: |
aoqi@0 | 147 | // (CMove (Binary bol cmp) (Binary src1 src2)) |
aoqi@0 | 148 | class BinaryNode : public Node { |
aoqi@0 | 149 | public: |
aoqi@0 | 150 | BinaryNode( Node *n1, Node *n2 ) : Node(0,n1,n2) { } |
aoqi@0 | 151 | virtual int Opcode() const; |
aoqi@0 | 152 | virtual uint ideal_reg() const { return 0; } |
aoqi@0 | 153 | }; |
aoqi@0 | 154 | |
aoqi@0 | 155 | //------------------------------CMoveNode-------------------------------------- |
aoqi@0 | 156 | // Conditional move |
aoqi@0 | 157 | class CMoveNode : public TypeNode { |
aoqi@0 | 158 | public: |
aoqi@0 | 159 | enum { Control, // When is it safe to do this cmove? |
aoqi@0 | 160 | Condition, // Condition controlling the cmove |
aoqi@0 | 161 | IfFalse, // Value if condition is false |
aoqi@0 | 162 | IfTrue }; // Value if condition is true |
aoqi@0 | 163 | CMoveNode( Node *bol, Node *left, Node *right, const Type *t ) : TypeNode(t,4) |
aoqi@0 | 164 | { |
aoqi@0 | 165 | init_class_id(Class_CMove); |
aoqi@0 | 166 | // all inputs are nullified in Node::Node(int) |
aoqi@0 | 167 | // init_req(Control,NULL); |
aoqi@0 | 168 | init_req(Condition,bol); |
aoqi@0 | 169 | init_req(IfFalse,left); |
aoqi@0 | 170 | init_req(IfTrue,right); |
aoqi@0 | 171 | } |
aoqi@0 | 172 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 173 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 174 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 175 | static CMoveNode *make( Compile *C, Node *c, Node *bol, Node *left, Node *right, const Type *t ); |
aoqi@0 | 176 | // Helper function to spot cmove graph shapes |
aoqi@0 | 177 | static Node *is_cmove_id( PhaseTransform *phase, Node *cmp, Node *t, Node *f, BoolNode *b ); |
aoqi@0 | 178 | }; |
aoqi@0 | 179 | |
aoqi@0 | 180 | //------------------------------CMoveDNode------------------------------------- |
aoqi@0 | 181 | class CMoveDNode : public CMoveNode { |
aoqi@0 | 182 | public: |
aoqi@0 | 183 | CMoveDNode( Node *bol, Node *left, Node *right, const Type* t) : CMoveNode(bol,left,right,t){} |
aoqi@0 | 184 | virtual int Opcode() const; |
aoqi@0 | 185 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 186 | }; |
aoqi@0 | 187 | |
aoqi@0 | 188 | //------------------------------CMoveFNode------------------------------------- |
aoqi@0 | 189 | class CMoveFNode : public CMoveNode { |
aoqi@0 | 190 | public: |
aoqi@0 | 191 | CMoveFNode( Node *bol, Node *left, Node *right, const Type* t ) : CMoveNode(bol,left,right,t) {} |
aoqi@0 | 192 | virtual int Opcode() const; |
aoqi@0 | 193 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 194 | }; |
aoqi@0 | 195 | |
aoqi@0 | 196 | //------------------------------CMoveINode------------------------------------- |
aoqi@0 | 197 | class CMoveINode : public CMoveNode { |
aoqi@0 | 198 | public: |
aoqi@0 | 199 | CMoveINode( Node *bol, Node *left, Node *right, const TypeInt *ti ) : CMoveNode(bol,left,right,ti){} |
aoqi@0 | 200 | virtual int Opcode() const; |
aoqi@0 | 201 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 202 | }; |
aoqi@0 | 203 | |
aoqi@0 | 204 | //------------------------------CMoveLNode------------------------------------- |
aoqi@0 | 205 | class CMoveLNode : public CMoveNode { |
aoqi@0 | 206 | public: |
aoqi@0 | 207 | CMoveLNode(Node *bol, Node *left, Node *right, const TypeLong *tl ) : CMoveNode(bol,left,right,tl){} |
aoqi@0 | 208 | virtual int Opcode() const; |
aoqi@0 | 209 | }; |
aoqi@0 | 210 | |
aoqi@0 | 211 | //------------------------------CMovePNode------------------------------------- |
aoqi@0 | 212 | class CMovePNode : public CMoveNode { |
aoqi@0 | 213 | public: |
aoqi@0 | 214 | CMovePNode( Node *c, Node *bol, Node *left, Node *right, const TypePtr* t ) : CMoveNode(bol,left,right,t) { init_req(Control,c); } |
aoqi@0 | 215 | virtual int Opcode() const; |
aoqi@0 | 216 | }; |
aoqi@0 | 217 | |
aoqi@0 | 218 | //------------------------------CMoveNNode------------------------------------- |
aoqi@0 | 219 | class CMoveNNode : public CMoveNode { |
aoqi@0 | 220 | public: |
aoqi@0 | 221 | CMoveNNode( Node *c, Node *bol, Node *left, Node *right, const Type* t ) : CMoveNode(bol,left,right,t) { init_req(Control,c); } |
aoqi@0 | 222 | virtual int Opcode() const; |
aoqi@0 | 223 | }; |
aoqi@0 | 224 | |
aoqi@0 | 225 | //------------------------------ConstraintCastNode----------------------------- |
aoqi@0 | 226 | // cast to a different range |
aoqi@0 | 227 | class ConstraintCastNode: public TypeNode { |
aoqi@0 | 228 | public: |
aoqi@0 | 229 | ConstraintCastNode (Node *n, const Type *t ): TypeNode(t,2) { |
aoqi@0 | 230 | init_class_id(Class_ConstraintCast); |
aoqi@0 | 231 | init_req(1, n); |
aoqi@0 | 232 | } |
aoqi@0 | 233 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 234 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 235 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 236 | virtual int Opcode() const; |
aoqi@0 | 237 | virtual uint ideal_reg() const = 0; |
aoqi@0 | 238 | virtual Node *Ideal_DU_postCCP( PhaseCCP * ); |
aoqi@0 | 239 | }; |
aoqi@0 | 240 | |
aoqi@0 | 241 | //------------------------------CastIINode------------------------------------- |
aoqi@0 | 242 | // cast integer to integer (different range) |
aoqi@0 | 243 | class CastIINode: public ConstraintCastNode { |
aoqi@0 | 244 | public: |
aoqi@0 | 245 | CastIINode (Node *n, const Type *t ): ConstraintCastNode(n,t) {} |
aoqi@0 | 246 | virtual int Opcode() const; |
aoqi@0 | 247 | virtual uint ideal_reg() const { return Op_RegI; } |
aoqi@0 | 248 | }; |
aoqi@0 | 249 | |
aoqi@0 | 250 | //------------------------------CastPPNode------------------------------------- |
aoqi@0 | 251 | // cast pointer to pointer (different type) |
aoqi@0 | 252 | class CastPPNode: public ConstraintCastNode { |
aoqi@0 | 253 | public: |
aoqi@0 | 254 | CastPPNode (Node *n, const Type *t ): ConstraintCastNode(n, t) {} |
aoqi@0 | 255 | virtual int Opcode() const; |
aoqi@0 | 256 | virtual uint ideal_reg() const { return Op_RegP; } |
aoqi@0 | 257 | virtual Node *Ideal_DU_postCCP( PhaseCCP * ); |
aoqi@0 | 258 | }; |
aoqi@0 | 259 | |
aoqi@0 | 260 | //------------------------------CheckCastPPNode-------------------------------- |
aoqi@0 | 261 | // for _checkcast, cast pointer to pointer (different type), without JOIN, |
aoqi@0 | 262 | class CheckCastPPNode: public TypeNode { |
aoqi@0 | 263 | public: |
aoqi@0 | 264 | CheckCastPPNode( Node *c, Node *n, const Type *t ) : TypeNode(t,2) { |
aoqi@0 | 265 | init_class_id(Class_CheckCastPP); |
aoqi@0 | 266 | init_req(0, c); |
aoqi@0 | 267 | init_req(1, n); |
aoqi@0 | 268 | } |
aoqi@0 | 269 | |
aoqi@0 | 270 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 271 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 272 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 273 | virtual int Opcode() const; |
aoqi@0 | 274 | virtual uint ideal_reg() const { return Op_RegP; } |
aoqi@0 | 275 | // No longer remove CheckCast after CCP as it gives me a place to hang |
aoqi@0 | 276 | // the proper address type - which is required to compute anti-deps. |
aoqi@0 | 277 | //virtual Node *Ideal_DU_postCCP( PhaseCCP * ); |
aoqi@0 | 278 | }; |
aoqi@0 | 279 | |
aoqi@0 | 280 | |
aoqi@0 | 281 | //------------------------------EncodeNarrowPtr-------------------------------- |
aoqi@0 | 282 | class EncodeNarrowPtrNode : public TypeNode { |
aoqi@0 | 283 | protected: |
aoqi@0 | 284 | EncodeNarrowPtrNode(Node* value, const Type* type): |
aoqi@0 | 285 | TypeNode(type, 2) { |
aoqi@0 | 286 | init_class_id(Class_EncodeNarrowPtr); |
aoqi@0 | 287 | init_req(0, NULL); |
aoqi@0 | 288 | init_req(1, value); |
aoqi@0 | 289 | } |
aoqi@0 | 290 | public: |
aoqi@0 | 291 | virtual uint ideal_reg() const { return Op_RegN; } |
aoqi@0 | 292 | virtual Node *Ideal_DU_postCCP( PhaseCCP *ccp ); |
aoqi@0 | 293 | }; |
aoqi@0 | 294 | |
aoqi@0 | 295 | //------------------------------EncodeP-------------------------------- |
aoqi@0 | 296 | // Encodes an oop pointers into its compressed form |
aoqi@0 | 297 | // Takes an extra argument which is the real heap base as a long which |
aoqi@0 | 298 | // may be useful for code generation in the backend. |
aoqi@0 | 299 | class EncodePNode : public EncodeNarrowPtrNode { |
aoqi@0 | 300 | public: |
aoqi@0 | 301 | EncodePNode(Node* value, const Type* type): |
aoqi@0 | 302 | EncodeNarrowPtrNode(value, type) { |
aoqi@0 | 303 | init_class_id(Class_EncodeP); |
aoqi@0 | 304 | } |
aoqi@0 | 305 | virtual int Opcode() const; |
aoqi@0 | 306 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 307 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 308 | }; |
aoqi@0 | 309 | |
aoqi@0 | 310 | //------------------------------EncodePKlass-------------------------------- |
aoqi@0 | 311 | // Encodes a klass pointer into its compressed form |
aoqi@0 | 312 | // Takes an extra argument which is the real heap base as a long which |
aoqi@0 | 313 | // may be useful for code generation in the backend. |
aoqi@0 | 314 | class EncodePKlassNode : public EncodeNarrowPtrNode { |
aoqi@0 | 315 | public: |
aoqi@0 | 316 | EncodePKlassNode(Node* value, const Type* type): |
aoqi@0 | 317 | EncodeNarrowPtrNode(value, type) { |
aoqi@0 | 318 | init_class_id(Class_EncodePKlass); |
aoqi@0 | 319 | } |
aoqi@0 | 320 | virtual int Opcode() const; |
aoqi@0 | 321 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 322 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 323 | }; |
aoqi@0 | 324 | |
aoqi@0 | 325 | //------------------------------DecodeNarrowPtr-------------------------------- |
aoqi@0 | 326 | class DecodeNarrowPtrNode : public TypeNode { |
aoqi@0 | 327 | protected: |
aoqi@0 | 328 | DecodeNarrowPtrNode(Node* value, const Type* type): |
aoqi@0 | 329 | TypeNode(type, 2) { |
aoqi@0 | 330 | init_class_id(Class_DecodeNarrowPtr); |
aoqi@0 | 331 | init_req(0, NULL); |
aoqi@0 | 332 | init_req(1, value); |
aoqi@0 | 333 | } |
aoqi@0 | 334 | public: |
aoqi@0 | 335 | virtual uint ideal_reg() const { return Op_RegP; } |
aoqi@0 | 336 | }; |
aoqi@0 | 337 | |
aoqi@0 | 338 | //------------------------------DecodeN-------------------------------- |
aoqi@0 | 339 | // Converts a narrow oop into a real oop ptr. |
aoqi@0 | 340 | // Takes an extra argument which is the real heap base as a long which |
aoqi@0 | 341 | // may be useful for code generation in the backend. |
aoqi@0 | 342 | class DecodeNNode : public DecodeNarrowPtrNode { |
aoqi@0 | 343 | public: |
aoqi@0 | 344 | DecodeNNode(Node* value, const Type* type): |
aoqi@0 | 345 | DecodeNarrowPtrNode(value, type) { |
aoqi@0 | 346 | init_class_id(Class_DecodeN); |
aoqi@0 | 347 | } |
aoqi@0 | 348 | virtual int Opcode() const; |
aoqi@0 | 349 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 350 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 351 | }; |
aoqi@0 | 352 | |
aoqi@0 | 353 | //------------------------------DecodeNKlass-------------------------------- |
aoqi@0 | 354 | // Converts a narrow klass pointer into a real klass ptr. |
aoqi@0 | 355 | // Takes an extra argument which is the real heap base as a long which |
aoqi@0 | 356 | // may be useful for code generation in the backend. |
aoqi@0 | 357 | class DecodeNKlassNode : public DecodeNarrowPtrNode { |
aoqi@0 | 358 | public: |
aoqi@0 | 359 | DecodeNKlassNode(Node* value, const Type* type): |
aoqi@0 | 360 | DecodeNarrowPtrNode(value, type) { |
aoqi@0 | 361 | init_class_id(Class_DecodeNKlass); |
aoqi@0 | 362 | } |
aoqi@0 | 363 | virtual int Opcode() const; |
aoqi@0 | 364 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 365 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 366 | }; |
aoqi@0 | 367 | |
aoqi@0 | 368 | //------------------------------Conv2BNode------------------------------------- |
aoqi@0 | 369 | // Convert int/pointer to a Boolean. Map zero to zero, all else to 1. |
aoqi@0 | 370 | class Conv2BNode : public Node { |
aoqi@0 | 371 | public: |
aoqi@0 | 372 | Conv2BNode( Node *i ) : Node(0,i) {} |
aoqi@0 | 373 | virtual int Opcode() const; |
aoqi@0 | 374 | virtual const Type *bottom_type() const { return TypeInt::BOOL; } |
aoqi@0 | 375 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 376 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 377 | virtual uint ideal_reg() const { return Op_RegI; } |
aoqi@0 | 378 | }; |
aoqi@0 | 379 | |
aoqi@0 | 380 | // The conversions operations are all Alpha sorted. Please keep it that way! |
aoqi@0 | 381 | //------------------------------ConvD2FNode------------------------------------ |
aoqi@0 | 382 | // Convert double to float |
aoqi@0 | 383 | class ConvD2FNode : public Node { |
aoqi@0 | 384 | public: |
aoqi@0 | 385 | ConvD2FNode( Node *in1 ) : Node(0,in1) {} |
aoqi@0 | 386 | virtual int Opcode() const; |
aoqi@0 | 387 | virtual const Type *bottom_type() const { return Type::FLOAT; } |
aoqi@0 | 388 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 389 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 390 | virtual uint ideal_reg() const { return Op_RegF; } |
aoqi@0 | 391 | }; |
aoqi@0 | 392 | |
aoqi@0 | 393 | //------------------------------ConvD2INode------------------------------------ |
aoqi@0 | 394 | // Convert Double to Integer |
aoqi@0 | 395 | class ConvD2INode : public Node { |
aoqi@0 | 396 | public: |
aoqi@0 | 397 | ConvD2INode( Node *in1 ) : Node(0,in1) {} |
aoqi@0 | 398 | virtual int Opcode() const; |
aoqi@0 | 399 | virtual const Type *bottom_type() const { return TypeInt::INT; } |
aoqi@0 | 400 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 401 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 402 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 403 | virtual uint ideal_reg() const { return Op_RegI; } |
aoqi@0 | 404 | }; |
aoqi@0 | 405 | |
aoqi@0 | 406 | //------------------------------ConvD2LNode------------------------------------ |
aoqi@0 | 407 | // Convert Double to Long |
aoqi@0 | 408 | class ConvD2LNode : public Node { |
aoqi@0 | 409 | public: |
aoqi@0 | 410 | ConvD2LNode( Node *dbl ) : Node(0,dbl) {} |
aoqi@0 | 411 | virtual int Opcode() const; |
aoqi@0 | 412 | virtual const Type *bottom_type() const { return TypeLong::LONG; } |
aoqi@0 | 413 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 414 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 415 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 416 | virtual uint ideal_reg() const { return Op_RegL; } |
aoqi@0 | 417 | }; |
aoqi@0 | 418 | |
aoqi@0 | 419 | //------------------------------ConvF2DNode------------------------------------ |
aoqi@0 | 420 | // Convert Float to a Double. |
aoqi@0 | 421 | class ConvF2DNode : public Node { |
aoqi@0 | 422 | public: |
aoqi@0 | 423 | ConvF2DNode( Node *in1 ) : Node(0,in1) {} |
aoqi@0 | 424 | virtual int Opcode() const; |
aoqi@0 | 425 | virtual const Type *bottom_type() const { return Type::DOUBLE; } |
aoqi@0 | 426 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 427 | virtual uint ideal_reg() const { return Op_RegD; } |
aoqi@0 | 428 | }; |
aoqi@0 | 429 | |
aoqi@0 | 430 | //------------------------------ConvF2INode------------------------------------ |
aoqi@0 | 431 | // Convert float to integer |
aoqi@0 | 432 | class ConvF2INode : public Node { |
aoqi@0 | 433 | public: |
aoqi@0 | 434 | ConvF2INode( Node *in1 ) : Node(0,in1) {} |
aoqi@0 | 435 | virtual int Opcode() const; |
aoqi@0 | 436 | virtual const Type *bottom_type() const { return TypeInt::INT; } |
aoqi@0 | 437 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 438 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 439 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 440 | virtual uint ideal_reg() const { return Op_RegI; } |
aoqi@0 | 441 | }; |
aoqi@0 | 442 | |
aoqi@0 | 443 | //------------------------------ConvF2LNode------------------------------------ |
aoqi@0 | 444 | // Convert float to long |
aoqi@0 | 445 | class ConvF2LNode : public Node { |
aoqi@0 | 446 | public: |
aoqi@0 | 447 | ConvF2LNode( Node *in1 ) : Node(0,in1) {} |
aoqi@0 | 448 | virtual int Opcode() const; |
aoqi@0 | 449 | virtual const Type *bottom_type() const { return TypeLong::LONG; } |
aoqi@0 | 450 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 451 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 452 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 453 | virtual uint ideal_reg() const { return Op_RegL; } |
aoqi@0 | 454 | }; |
aoqi@0 | 455 | |
aoqi@0 | 456 | //------------------------------ConvI2DNode------------------------------------ |
aoqi@0 | 457 | // Convert Integer to Double |
aoqi@0 | 458 | class ConvI2DNode : public Node { |
aoqi@0 | 459 | public: |
aoqi@0 | 460 | ConvI2DNode( Node *in1 ) : Node(0,in1) {} |
aoqi@0 | 461 | virtual int Opcode() const; |
aoqi@0 | 462 | virtual const Type *bottom_type() const { return Type::DOUBLE; } |
aoqi@0 | 463 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 464 | virtual uint ideal_reg() const { return Op_RegD; } |
aoqi@0 | 465 | }; |
aoqi@0 | 466 | |
aoqi@0 | 467 | //------------------------------ConvI2FNode------------------------------------ |
aoqi@0 | 468 | // Convert Integer to Float |
aoqi@0 | 469 | class ConvI2FNode : public Node { |
aoqi@0 | 470 | public: |
aoqi@0 | 471 | ConvI2FNode( Node *in1 ) : Node(0,in1) {} |
aoqi@0 | 472 | virtual int Opcode() const; |
aoqi@0 | 473 | virtual const Type *bottom_type() const { return Type::FLOAT; } |
aoqi@0 | 474 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 475 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 476 | virtual uint ideal_reg() const { return Op_RegF; } |
aoqi@0 | 477 | }; |
aoqi@0 | 478 | |
aoqi@0 | 479 | //------------------------------ConvI2LNode------------------------------------ |
aoqi@0 | 480 | // Convert integer to long |
aoqi@0 | 481 | class ConvI2LNode : public TypeNode { |
aoqi@0 | 482 | public: |
aoqi@0 | 483 | ConvI2LNode(Node *in1, const TypeLong* t = TypeLong::INT) |
aoqi@0 | 484 | : TypeNode(t, 2) |
aoqi@0 | 485 | { init_req(1, in1); } |
aoqi@0 | 486 | virtual int Opcode() const; |
aoqi@0 | 487 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 488 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 489 | virtual uint ideal_reg() const { return Op_RegL; } |
aoqi@0 | 490 | }; |
aoqi@0 | 491 | |
aoqi@0 | 492 | //------------------------------ConvL2DNode------------------------------------ |
aoqi@0 | 493 | // Convert Long to Double |
aoqi@0 | 494 | class ConvL2DNode : public Node { |
aoqi@0 | 495 | public: |
aoqi@0 | 496 | ConvL2DNode( Node *in1 ) : Node(0,in1) {} |
aoqi@0 | 497 | virtual int Opcode() const; |
aoqi@0 | 498 | virtual const Type *bottom_type() const { return Type::DOUBLE; } |
aoqi@0 | 499 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 500 | virtual uint ideal_reg() const { return Op_RegD; } |
aoqi@0 | 501 | }; |
aoqi@0 | 502 | |
aoqi@0 | 503 | //------------------------------ConvL2FNode------------------------------------ |
aoqi@0 | 504 | // Convert Long to Float |
aoqi@0 | 505 | class ConvL2FNode : public Node { |
aoqi@0 | 506 | public: |
aoqi@0 | 507 | ConvL2FNode( Node *in1 ) : Node(0,in1) {} |
aoqi@0 | 508 | virtual int Opcode() const; |
aoqi@0 | 509 | virtual const Type *bottom_type() const { return Type::FLOAT; } |
aoqi@0 | 510 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 511 | virtual uint ideal_reg() const { return Op_RegF; } |
aoqi@0 | 512 | }; |
aoqi@0 | 513 | |
aoqi@0 | 514 | //------------------------------ConvL2INode------------------------------------ |
aoqi@0 | 515 | // Convert long to integer |
aoqi@0 | 516 | class ConvL2INode : public Node { |
aoqi@0 | 517 | public: |
aoqi@0 | 518 | ConvL2INode( Node *in1 ) : Node(0,in1) {} |
aoqi@0 | 519 | virtual int Opcode() const; |
aoqi@0 | 520 | virtual const Type *bottom_type() const { return TypeInt::INT; } |
aoqi@0 | 521 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 522 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 523 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 524 | virtual uint ideal_reg() const { return Op_RegI; } |
aoqi@0 | 525 | }; |
aoqi@0 | 526 | |
aoqi@0 | 527 | //------------------------------CastX2PNode------------------------------------- |
aoqi@0 | 528 | // convert a machine-pointer-sized integer to a raw pointer |
aoqi@0 | 529 | class CastX2PNode : public Node { |
aoqi@0 | 530 | public: |
aoqi@0 | 531 | CastX2PNode( Node *n ) : Node(NULL, n) {} |
aoqi@0 | 532 | virtual int Opcode() const; |
aoqi@0 | 533 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 534 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 535 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 536 | virtual uint ideal_reg() const { return Op_RegP; } |
aoqi@0 | 537 | virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } |
aoqi@0 | 538 | }; |
aoqi@0 | 539 | |
aoqi@0 | 540 | //------------------------------CastP2XNode------------------------------------- |
aoqi@0 | 541 | // Used in both 32-bit and 64-bit land. |
aoqi@0 | 542 | // Used for card-marks and unsafe pointer math. |
aoqi@0 | 543 | class CastP2XNode : public Node { |
aoqi@0 | 544 | public: |
aoqi@0 | 545 | CastP2XNode( Node *ctrl, Node *n ) : Node(ctrl, n) {} |
aoqi@0 | 546 | virtual int Opcode() const; |
aoqi@0 | 547 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 548 | virtual Node *Ideal(PhaseGVN *phase, bool can_reshape); |
aoqi@0 | 549 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 550 | virtual uint ideal_reg() const { return Op_RegX; } |
aoqi@0 | 551 | virtual const Type *bottom_type() const { return TypeX_X; } |
aoqi@0 | 552 | // Return false to keep node from moving away from an associated card mark. |
aoqi@0 | 553 | virtual bool depends_only_on_test() const { return false; } |
aoqi@0 | 554 | }; |
aoqi@0 | 555 | |
aoqi@0 | 556 | //------------------------------ThreadLocalNode-------------------------------- |
aoqi@0 | 557 | // Ideal Node which returns the base of ThreadLocalStorage. |
aoqi@0 | 558 | class ThreadLocalNode : public Node { |
aoqi@0 | 559 | public: |
aoqi@0 | 560 | ThreadLocalNode( ) : Node((Node*)Compile::current()->root()) {} |
aoqi@0 | 561 | virtual int Opcode() const; |
aoqi@0 | 562 | virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM;} |
aoqi@0 | 563 | virtual uint ideal_reg() const { return Op_RegP; } |
aoqi@0 | 564 | }; |
aoqi@0 | 565 | |
aoqi@0 | 566 | //------------------------------LoadReturnPCNode------------------------------- |
aoqi@0 | 567 | class LoadReturnPCNode: public Node { |
aoqi@0 | 568 | public: |
aoqi@0 | 569 | LoadReturnPCNode(Node *c) : Node(c) { } |
aoqi@0 | 570 | virtual int Opcode() const; |
aoqi@0 | 571 | virtual uint ideal_reg() const { return Op_RegP; } |
aoqi@0 | 572 | }; |
aoqi@0 | 573 | |
aoqi@0 | 574 | |
aoqi@0 | 575 | //-----------------------------RoundFloatNode---------------------------------- |
aoqi@0 | 576 | class RoundFloatNode: public Node { |
aoqi@0 | 577 | public: |
aoqi@0 | 578 | RoundFloatNode(Node* c, Node *in1): Node(c, in1) {} |
aoqi@0 | 579 | virtual int Opcode() const; |
aoqi@0 | 580 | virtual const Type *bottom_type() const { return Type::FLOAT; } |
aoqi@0 | 581 | virtual uint ideal_reg() const { return Op_RegF; } |
aoqi@0 | 582 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 583 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 584 | }; |
aoqi@0 | 585 | |
aoqi@0 | 586 | |
aoqi@0 | 587 | //-----------------------------RoundDoubleNode--------------------------------- |
aoqi@0 | 588 | class RoundDoubleNode: public Node { |
aoqi@0 | 589 | public: |
aoqi@0 | 590 | RoundDoubleNode(Node* c, Node *in1): Node(c, in1) {} |
aoqi@0 | 591 | virtual int Opcode() const; |
aoqi@0 | 592 | virtual const Type *bottom_type() const { return Type::DOUBLE; } |
aoqi@0 | 593 | virtual uint ideal_reg() const { return Op_RegD; } |
aoqi@0 | 594 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 595 | virtual const Type *Value( PhaseTransform *phase ) const; |
aoqi@0 | 596 | }; |
aoqi@0 | 597 | |
aoqi@0 | 598 | //------------------------------Opaque1Node------------------------------------ |
aoqi@0 | 599 | // A node to prevent unwanted optimizations. Allows constant folding. |
aoqi@0 | 600 | // Stops value-numbering, Ideal calls or Identity functions. |
aoqi@0 | 601 | class Opaque1Node : public Node { |
aoqi@0 | 602 | virtual uint hash() const ; // { return NO_HASH; } |
aoqi@0 | 603 | virtual uint cmp( const Node &n ) const; |
aoqi@0 | 604 | public: |
aoqi@0 | 605 | Opaque1Node( Compile* C, Node *n ) : Node(0,n) { |
aoqi@0 | 606 | // Put it on the Macro nodes list to removed during macro nodes expansion. |
aoqi@0 | 607 | init_flags(Flag_is_macro); |
aoqi@0 | 608 | C->add_macro_node(this); |
aoqi@0 | 609 | } |
aoqi@0 | 610 | // Special version for the pre-loop to hold the original loop limit |
aoqi@0 | 611 | // which is consumed by range check elimination. |
aoqi@0 | 612 | Opaque1Node( Compile* C, Node *n, Node* orig_limit ) : Node(0,n,orig_limit) { |
aoqi@0 | 613 | // Put it on the Macro nodes list to removed during macro nodes expansion. |
aoqi@0 | 614 | init_flags(Flag_is_macro); |
aoqi@0 | 615 | C->add_macro_node(this); |
aoqi@0 | 616 | } |
aoqi@0 | 617 | Node* original_loop_limit() { return req()==3 ? in(2) : NULL; } |
aoqi@0 | 618 | virtual int Opcode() const; |
aoqi@0 | 619 | virtual const Type *bottom_type() const { return TypeInt::INT; } |
aoqi@0 | 620 | virtual Node *Identity( PhaseTransform *phase ); |
aoqi@0 | 621 | }; |
aoqi@0 | 622 | |
aoqi@0 | 623 | //------------------------------Opaque2Node------------------------------------ |
aoqi@0 | 624 | // A node to prevent unwanted optimizations. Allows constant folding. Stops |
aoqi@0 | 625 | // value-numbering, most Ideal calls or Identity functions. This Node is |
aoqi@0 | 626 | // specifically designed to prevent the pre-increment value of a loop trip |
aoqi@0 | 627 | // counter from being live out of the bottom of the loop (hence causing the |
aoqi@0 | 628 | // pre- and post-increment values both being live and thus requiring an extra |
aoqi@0 | 629 | // temp register and an extra move). If we "accidentally" optimize through |
aoqi@0 | 630 | // this kind of a Node, we'll get slightly pessimal, but correct, code. Thus |
aoqi@0 | 631 | // it's OK to be slightly sloppy on optimizations here. |
aoqi@0 | 632 | class Opaque2Node : public Node { |
aoqi@0 | 633 | virtual uint hash() const ; // { return NO_HASH; } |
aoqi@0 | 634 | virtual uint cmp( const Node &n ) const; |
aoqi@0 | 635 | public: |
aoqi@0 | 636 | Opaque2Node( Compile* C, Node *n ) : Node(0,n) { |
aoqi@0 | 637 | // Put it on the Macro nodes list to removed during macro nodes expansion. |
aoqi@0 | 638 | init_flags(Flag_is_macro); |
aoqi@0 | 639 | C->add_macro_node(this); |
aoqi@0 | 640 | } |
aoqi@0 | 641 | virtual int Opcode() const; |
aoqi@0 | 642 | virtual const Type *bottom_type() const { return TypeInt::INT; } |
aoqi@0 | 643 | }; |
aoqi@0 | 644 | |
aoqi@0 | 645 | //------------------------------Opaque3Node------------------------------------ |
aoqi@0 | 646 | // A node to prevent unwanted optimizations. Will be optimized only during |
aoqi@0 | 647 | // macro nodes expansion. |
aoqi@0 | 648 | class Opaque3Node : public Opaque2Node { |
aoqi@0 | 649 | int _opt; // what optimization it was used for |
aoqi@0 | 650 | public: |
aoqi@0 | 651 | enum { RTM_OPT }; |
aoqi@0 | 652 | Opaque3Node(Compile* C, Node *n, int opt) : Opaque2Node(C, n), _opt(opt) {} |
aoqi@0 | 653 | virtual int Opcode() const; |
aoqi@0 | 654 | bool rtm_opt() const { return (_opt == RTM_OPT); } |
aoqi@0 | 655 | }; |
aoqi@0 | 656 | |
aoqi@0 | 657 | |
aoqi@0 | 658 | //----------------------PartialSubtypeCheckNode-------------------------------- |
aoqi@0 | 659 | // The 2nd slow-half of a subtype check. Scan the subklass's 2ndary superklass |
aoqi@0 | 660 | // array for an instance of the superklass. Set a hidden internal cache on a |
aoqi@0 | 661 | // hit (cache is checked with exposed code in gen_subtype_check()). Return |
aoqi@0 | 662 | // not zero for a miss or zero for a hit. |
aoqi@0 | 663 | class PartialSubtypeCheckNode : public Node { |
aoqi@0 | 664 | public: |
aoqi@0 | 665 | PartialSubtypeCheckNode(Node* c, Node* sub, Node* super) : Node(c,sub,super) {} |
aoqi@0 | 666 | virtual int Opcode() const; |
aoqi@0 | 667 | virtual const Type *bottom_type() const { return TypeRawPtr::BOTTOM; } |
aoqi@0 | 668 | virtual uint ideal_reg() const { return Op_RegP; } |
aoqi@0 | 669 | }; |
aoqi@0 | 670 | |
aoqi@0 | 671 | // |
aoqi@0 | 672 | class MoveI2FNode : public Node { |
aoqi@0 | 673 | public: |
aoqi@0 | 674 | MoveI2FNode( Node *value ) : Node(0,value) {} |
aoqi@0 | 675 | virtual int Opcode() const; |
aoqi@0 | 676 | virtual const Type *bottom_type() const { return Type::FLOAT; } |
aoqi@0 | 677 | virtual uint ideal_reg() const { return Op_RegF; } |
aoqi@0 | 678 | virtual const Type* Value( PhaseTransform *phase ) const; |
aoqi@0 | 679 | }; |
aoqi@0 | 680 | |
aoqi@0 | 681 | class MoveL2DNode : public Node { |
aoqi@0 | 682 | public: |
aoqi@0 | 683 | MoveL2DNode( Node *value ) : Node(0,value) {} |
aoqi@0 | 684 | virtual int Opcode() const; |
aoqi@0 | 685 | virtual const Type *bottom_type() const { return Type::DOUBLE; } |
aoqi@0 | 686 | virtual uint ideal_reg() const { return Op_RegD; } |
aoqi@0 | 687 | virtual const Type* Value( PhaseTransform *phase ) const; |
aoqi@0 | 688 | }; |
aoqi@0 | 689 | |
aoqi@0 | 690 | class MoveF2INode : public Node { |
aoqi@0 | 691 | public: |
aoqi@0 | 692 | MoveF2INode( Node *value ) : Node(0,value) {} |
aoqi@0 | 693 | virtual int Opcode() const; |
aoqi@0 | 694 | virtual const Type *bottom_type() const { return TypeInt::INT; } |
aoqi@0 | 695 | virtual uint ideal_reg() const { return Op_RegI; } |
aoqi@0 | 696 | virtual const Type* Value( PhaseTransform *phase ) const; |
aoqi@0 | 697 | }; |
aoqi@0 | 698 | |
aoqi@0 | 699 | class MoveD2LNode : public Node { |
aoqi@0 | 700 | public: |
aoqi@0 | 701 | MoveD2LNode( Node *value ) : Node(0,value) {} |
aoqi@0 | 702 | virtual int Opcode() const; |
aoqi@0 | 703 | virtual const Type *bottom_type() const { return TypeLong::LONG; } |
aoqi@0 | 704 | virtual uint ideal_reg() const { return Op_RegL; } |
aoqi@0 | 705 | virtual const Type* Value( PhaseTransform *phase ) const; |
aoqi@0 | 706 | }; |
aoqi@0 | 707 | |
aoqi@0 | 708 | //---------- CountBitsNode ----------------------------------------------------- |
aoqi@0 | 709 | class CountBitsNode : public Node { |
aoqi@0 | 710 | public: |
aoqi@0 | 711 | CountBitsNode(Node* in1) : Node(0, in1) {} |
aoqi@0 | 712 | const Type* bottom_type() const { return TypeInt::INT; } |
aoqi@0 | 713 | virtual uint ideal_reg() const { return Op_RegI; } |
aoqi@0 | 714 | }; |
aoqi@0 | 715 | |
aoqi@0 | 716 | //---------- CountLeadingZerosINode -------------------------------------------- |
aoqi@0 | 717 | // Count leading zeros (0-bit count starting from MSB) of an integer. |
aoqi@0 | 718 | class CountLeadingZerosINode : public CountBitsNode { |
aoqi@0 | 719 | public: |
aoqi@0 | 720 | CountLeadingZerosINode(Node* in1) : CountBitsNode(in1) {} |
aoqi@0 | 721 | virtual int Opcode() const; |
aoqi@0 | 722 | virtual const Type* Value(PhaseTransform* phase) const; |
aoqi@0 | 723 | }; |
aoqi@0 | 724 | |
aoqi@0 | 725 | //---------- CountLeadingZerosLNode -------------------------------------------- |
aoqi@0 | 726 | // Count leading zeros (0-bit count starting from MSB) of a long. |
aoqi@0 | 727 | class CountLeadingZerosLNode : public CountBitsNode { |
aoqi@0 | 728 | public: |
aoqi@0 | 729 | CountLeadingZerosLNode(Node* in1) : CountBitsNode(in1) {} |
aoqi@0 | 730 | virtual int Opcode() const; |
aoqi@0 | 731 | virtual const Type* Value(PhaseTransform* phase) const; |
aoqi@0 | 732 | }; |
aoqi@0 | 733 | |
aoqi@0 | 734 | //---------- CountTrailingZerosINode ------------------------------------------- |
aoqi@0 | 735 | // Count trailing zeros (0-bit count starting from LSB) of an integer. |
aoqi@0 | 736 | class CountTrailingZerosINode : public CountBitsNode { |
aoqi@0 | 737 | public: |
aoqi@0 | 738 | CountTrailingZerosINode(Node* in1) : CountBitsNode(in1) {} |
aoqi@0 | 739 | virtual int Opcode() const; |
aoqi@0 | 740 | virtual const Type* Value(PhaseTransform* phase) const; |
aoqi@0 | 741 | }; |
aoqi@0 | 742 | |
aoqi@0 | 743 | //---------- CountTrailingZerosLNode ------------------------------------------- |
aoqi@0 | 744 | // Count trailing zeros (0-bit count starting from LSB) of a long. |
aoqi@0 | 745 | class CountTrailingZerosLNode : public CountBitsNode { |
aoqi@0 | 746 | public: |
aoqi@0 | 747 | CountTrailingZerosLNode(Node* in1) : CountBitsNode(in1) {} |
aoqi@0 | 748 | virtual int Opcode() const; |
aoqi@0 | 749 | virtual const Type* Value(PhaseTransform* phase) const; |
aoqi@0 | 750 | }; |
aoqi@0 | 751 | |
aoqi@0 | 752 | //---------- PopCountINode ----------------------------------------------------- |
aoqi@0 | 753 | // Population count (bit count) of an integer. |
aoqi@0 | 754 | class PopCountINode : public CountBitsNode { |
aoqi@0 | 755 | public: |
aoqi@0 | 756 | PopCountINode(Node* in1) : CountBitsNode(in1) {} |
aoqi@0 | 757 | virtual int Opcode() const; |
aoqi@0 | 758 | }; |
aoqi@0 | 759 | |
aoqi@0 | 760 | //---------- PopCountLNode ----------------------------------------------------- |
aoqi@0 | 761 | // Population count (bit count) of a long. |
aoqi@0 | 762 | class PopCountLNode : public CountBitsNode { |
aoqi@0 | 763 | public: |
aoqi@0 | 764 | PopCountLNode(Node* in1) : CountBitsNode(in1) {} |
aoqi@0 | 765 | virtual int Opcode() const; |
aoqi@0 | 766 | }; |
aoqi@0 | 767 | |
aoqi@0 | 768 | #endif // SHARE_VM_OPTO_CONNODE_HPP |