--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/c1/c1_Canonicalizer.hpp Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,96 @@
+/*
+ * Copyright 1999-2006 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+class Canonicalizer: InstructionVisitor {
+ private:
+ Instruction* _canonical;
+ int _bci;
+
+ void set_canonical(Value x);
+ void set_bci(int bci) { _bci = bci; }
+ void set_constant(jint x) { set_canonical(new Constant(new IntConstant(x))); }
+ void set_constant(jlong x) { set_canonical(new Constant(new LongConstant(x))); }
+ void set_constant(jfloat x) { set_canonical(new Constant(new FloatConstant(x))); }
+ void set_constant(jdouble x) { set_canonical(new Constant(new DoubleConstant(x))); }
+ void move_const_to_right(Op2* x);
+ void do_Op2(Op2* x);
+ void do_UnsafeRawOp(UnsafeRawOp* x);
+
+ void unsafe_raw_match(UnsafeRawOp* x,
+ Instruction** base,
+ Instruction** index,
+ int* scale);
+
+ public:
+ Canonicalizer(Value x, int bci) { _canonical = x; _bci = bci; if (CanonicalizeNodes) x->visit(this); }
+ Value canonical() const { return _canonical; }
+ int bci() const { return _bci; }
+
+ virtual void do_Phi (Phi* x);
+ virtual void do_Constant (Constant* x);
+ virtual void do_Local (Local* x);
+ virtual void do_LoadField (LoadField* x);
+ virtual void do_StoreField (StoreField* x);
+ virtual void do_ArrayLength (ArrayLength* x);
+ virtual void do_LoadIndexed (LoadIndexed* x);
+ virtual void do_StoreIndexed (StoreIndexed* x);
+ virtual void do_NegateOp (NegateOp* x);
+ virtual void do_ArithmeticOp (ArithmeticOp* x);
+ virtual void do_ShiftOp (ShiftOp* x);
+ virtual void do_LogicOp (LogicOp* x);
+ virtual void do_CompareOp (CompareOp* x);
+ virtual void do_IfOp (IfOp* x);
+ virtual void do_IfInstanceOf (IfInstanceOf* x);
+ virtual void do_Convert (Convert* x);
+ virtual void do_NullCheck (NullCheck* x);
+ virtual void do_Invoke (Invoke* x);
+ virtual void do_NewInstance (NewInstance* x);
+ virtual void do_NewTypeArray (NewTypeArray* x);
+ virtual void do_NewObjectArray (NewObjectArray* x);
+ virtual void do_NewMultiArray (NewMultiArray* x);
+ virtual void do_CheckCast (CheckCast* x);
+ virtual void do_InstanceOf (InstanceOf* x);
+ virtual void do_MonitorEnter (MonitorEnter* x);
+ virtual void do_MonitorExit (MonitorExit* x);
+ virtual void do_Intrinsic (Intrinsic* x);
+ virtual void do_BlockBegin (BlockBegin* x);
+ virtual void do_Goto (Goto* x);
+ virtual void do_If (If* x);
+ virtual void do_TableSwitch (TableSwitch* x);
+ virtual void do_LookupSwitch (LookupSwitch* x);
+ virtual void do_Return (Return* x);
+ virtual void do_Throw (Throw* x);
+ virtual void do_Base (Base* x);
+ virtual void do_OsrEntry (OsrEntry* x);
+ virtual void do_ExceptionObject(ExceptionObject* x);
+ virtual void do_RoundFP (RoundFP* x);
+ virtual void do_UnsafeGetRaw (UnsafeGetRaw* x);
+ virtual void do_UnsafePutRaw (UnsafePutRaw* x);
+ virtual void do_UnsafeGetObject(UnsafeGetObject* x);
+ virtual void do_UnsafePutObject(UnsafePutObject* x);
+ virtual void do_UnsafePrefetchRead (UnsafePrefetchRead* x);
+ virtual void do_UnsafePrefetchWrite(UnsafePrefetchWrite* x);
+ virtual void do_ProfileCall (ProfileCall* x);
+ virtual void do_ProfileCounter (ProfileCounter* x);
+};