c1_Canonicalizer.hpp revision 1472:c18cbe5936b8
1/* 2 * Copyright (c) 1999, 2006, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25class Canonicalizer: InstructionVisitor { 26 private: 27 Instruction* _canonical; 28 int _bci; 29 30 void set_canonical(Value x); 31 void set_bci(int bci) { _bci = bci; } 32 void set_constant(jint x) { set_canonical(new Constant(new IntConstant(x))); } 33 void set_constant(jlong x) { set_canonical(new Constant(new LongConstant(x))); } 34 void set_constant(jfloat x) { set_canonical(new Constant(new FloatConstant(x))); } 35 void set_constant(jdouble x) { set_canonical(new Constant(new DoubleConstant(x))); } 36 void move_const_to_right(Op2* x); 37 void do_Op2(Op2* x); 38 void do_UnsafeRawOp(UnsafeRawOp* x); 39 40 void unsafe_raw_match(UnsafeRawOp* x, 41 Instruction** base, 42 Instruction** index, 43 int* scale); 44 45 public: 46 Canonicalizer(Value x, int bci) { _canonical = x; _bci = bci; if (CanonicalizeNodes) x->visit(this); } 47 Value canonical() const { return _canonical; } 48 int bci() const { return _bci; } 49 50 virtual void do_Phi (Phi* x); 51 virtual void do_Constant (Constant* x); 52 virtual void do_Local (Local* x); 53 virtual void do_LoadField (LoadField* x); 54 virtual void do_StoreField (StoreField* x); 55 virtual void do_ArrayLength (ArrayLength* x); 56 virtual void do_LoadIndexed (LoadIndexed* x); 57 virtual void do_StoreIndexed (StoreIndexed* x); 58 virtual void do_NegateOp (NegateOp* x); 59 virtual void do_ArithmeticOp (ArithmeticOp* x); 60 virtual void do_ShiftOp (ShiftOp* x); 61 virtual void do_LogicOp (LogicOp* x); 62 virtual void do_CompareOp (CompareOp* x); 63 virtual void do_IfOp (IfOp* x); 64 virtual void do_IfInstanceOf (IfInstanceOf* x); 65 virtual void do_Convert (Convert* x); 66 virtual void do_NullCheck (NullCheck* x); 67 virtual void do_Invoke (Invoke* x); 68 virtual void do_NewInstance (NewInstance* x); 69 virtual void do_NewTypeArray (NewTypeArray* x); 70 virtual void do_NewObjectArray (NewObjectArray* x); 71 virtual void do_NewMultiArray (NewMultiArray* x); 72 virtual void do_CheckCast (CheckCast* x); 73 virtual void do_InstanceOf (InstanceOf* x); 74 virtual void do_MonitorEnter (MonitorEnter* x); 75 virtual void do_MonitorExit (MonitorExit* x); 76 virtual void do_Intrinsic (Intrinsic* x); 77 virtual void do_BlockBegin (BlockBegin* x); 78 virtual void do_Goto (Goto* x); 79 virtual void do_If (If* x); 80 virtual void do_TableSwitch (TableSwitch* x); 81 virtual void do_LookupSwitch (LookupSwitch* x); 82 virtual void do_Return (Return* x); 83 virtual void do_Throw (Throw* x); 84 virtual void do_Base (Base* x); 85 virtual void do_OsrEntry (OsrEntry* x); 86 virtual void do_ExceptionObject(ExceptionObject* x); 87 virtual void do_RoundFP (RoundFP* x); 88 virtual void do_UnsafeGetRaw (UnsafeGetRaw* x); 89 virtual void do_UnsafePutRaw (UnsafePutRaw* x); 90 virtual void do_UnsafeGetObject(UnsafeGetObject* x); 91 virtual void do_UnsafePutObject(UnsafePutObject* x); 92 virtual void do_UnsafePrefetchRead (UnsafePrefetchRead* x); 93 virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x); 94 virtual void do_ProfileCall (ProfileCall* x); 95 virtual void do_ProfileCounter (ProfileCounter* x); 96}; 97