--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/opto/intrinsicnode.hpp Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,183 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_OPTO_INTRINSICNODE_HPP
+#define SHARE_VM_OPTO_INTRINSICNODE_HPP
+
+#include "opto/node.hpp"
+#include "opto/opcodes.hpp"
+
+
+//----------------------PartialSubtypeCheckNode--------------------------------
+// The 2nd slow-half of a subtype check. Scan the subklass's 2ndary superklass
+// array for an instance of the superklass. Set a hidden internal cache on a
+// hit (cache is checked with exposed code in gen_subtype_check()). Return
+// not zero for a miss or zero for a hit.
+class PartialSubtypeCheckNode : public Node {
+ public:
+ PartialSubtypeCheckNode(Node* c, Node* sub, Node* super) : Node(c,sub,super) {}
+ virtual int Opcode() const;
+ virtual const Type* bottom_type() const { return TypeRawPtr::BOTTOM; }
+ virtual uint ideal_reg() const { return Op_RegP; }
+};
+
+//------------------------------StrIntrinsic-------------------------------
+// Base class for Ideal nodes used in String intrinsic code.
+class StrIntrinsicNode: public Node {
+ public:
+ // Possible encodings of the two parameters passed to the string intrinsic.
+ // 'L' stands for Latin1 and 'U' stands for UTF16. For example, 'LU' means that
+ // the first string is Latin1 encoded and the second string is UTF16 encoded.
+ typedef enum ArgEncoding { LL, LU, UL, UU, none } ArgEnc;
+
+ protected:
+ // Encoding of strings. Used to select the right version of the intrinsic.
+ const ArgEncoding _encoding;
+ virtual uint size_of() const;
+
+ public:
+ StrIntrinsicNode(Node* control, Node* char_array_mem,
+ Node* s1, Node* c1, Node* s2, Node* c2, ArgEncoding encoding):
+ Node(control, char_array_mem, s1, c1, s2, c2), _encoding(encoding) {
+ }
+
+ StrIntrinsicNode(Node* control, Node* char_array_mem,
+ Node* s1, Node* s2, Node* c, ArgEncoding encoding):
+ Node(control, char_array_mem, s1, s2, c), _encoding(encoding) {
+ }
+
+ StrIntrinsicNode(Node* control, Node* char_array_mem,
+ Node* s1, Node* s2, ArgEncoding encoding):
+ Node(control, char_array_mem, s1, s2), _encoding(encoding) {
+ }
+
+ virtual bool depends_only_on_test() const { return false; }
+ virtual const TypePtr* adr_type() const { return TypeAryPtr::BYTES; }
+ virtual uint match_edge(uint idx) const;
+ virtual uint ideal_reg() const { return Op_RegI; }
+ virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
+ virtual const Type* Value(PhaseGVN* phase) const;
+ ArgEncoding encoding() const { return _encoding; }
+};
+
+//------------------------------StrComp-------------------------------------
+class StrCompNode: public StrIntrinsicNode {
+ public:
+ StrCompNode(Node* control, Node* char_array_mem,
+ Node* s1, Node* c1, Node* s2, Node* c2, ArgEncoding encoding):
+ StrIntrinsicNode(control, char_array_mem, s1, c1, s2, c2, encoding) {};
+ virtual int Opcode() const;
+ virtual const Type* bottom_type() const { return TypeInt::INT; }
+};
+
+//------------------------------StrEquals-------------------------------------
+class StrEqualsNode: public StrIntrinsicNode {
+ public:
+ StrEqualsNode(Node* control, Node* char_array_mem,
+ Node* s1, Node* s2, Node* c, ArgEncoding encoding):
+ StrIntrinsicNode(control, char_array_mem, s1, s2, c, encoding) {};
+ virtual int Opcode() const;
+ virtual const Type* bottom_type() const { return TypeInt::BOOL; }
+};
+
+//------------------------------StrIndexOf-------------------------------------
+class StrIndexOfNode: public StrIntrinsicNode {
+ public:
+ StrIndexOfNode(Node* control, Node* char_array_mem,
+ Node* s1, Node* c1, Node* s2, Node* c2, ArgEncoding encoding):
+ StrIntrinsicNode(control, char_array_mem, s1, c1, s2, c2, encoding) {};
+ virtual int Opcode() const;
+ virtual const Type* bottom_type() const { return TypeInt::INT; }
+};
+
+//------------------------------StrIndexOfChar-------------------------------------
+class StrIndexOfCharNode: public StrIntrinsicNode {
+ public:
+ StrIndexOfCharNode(Node* control, Node* char_array_mem,
+ Node* s1, Node* c1, Node* c, ArgEncoding encoding):
+ StrIntrinsicNode(control, char_array_mem, s1, c1, c, encoding) {};
+ virtual int Opcode() const;
+ virtual const Type* bottom_type() const { return TypeInt::INT; }
+};
+
+//--------------------------StrCompressedCopy-------------------------------
+class StrCompressedCopyNode: public StrIntrinsicNode {
+ public:
+ StrCompressedCopyNode(Node* control, Node* arymem,
+ Node* s1, Node* s2, Node* c):
+ StrIntrinsicNode(control, arymem, s1, s2, c, none) {};
+ virtual int Opcode() const;
+ virtual const Type* bottom_type() const { return TypeInt::INT; }
+ virtual const TypePtr* adr_type() const { return TypePtr::BOTTOM; }
+ virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
+};
+
+//--------------------------StrInflatedCopy---------------------------------
+class StrInflatedCopyNode: public StrIntrinsicNode {
+ public:
+ StrInflatedCopyNode(Node* control, Node* arymem,
+ Node* s1, Node* s2, Node* c):
+ StrIntrinsicNode(control, arymem, s1, s2, c, none) {};
+ virtual int Opcode() const;
+ virtual const Type* bottom_type() const { return Type::MEMORY; }
+ virtual const TypePtr* adr_type() const { return TypePtr::BOTTOM; }
+ virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
+};
+
+//------------------------------AryEq---------------------------------------
+class AryEqNode: public StrIntrinsicNode {
+ public:
+ AryEqNode(Node* control, Node* char_array_mem,
+ Node* s1, Node* s2, ArgEncoding encoding):
+ StrIntrinsicNode(control, char_array_mem, s1, s2, encoding) {};
+ virtual int Opcode() const;
+ virtual const Type* bottom_type() const { return TypeInt::BOOL; }
+};
+
+//------------------------------HasNegatives---------------------------------
+class HasNegativesNode: public StrIntrinsicNode {
+ public:
+ HasNegativesNode(Node* control, Node* char_array_mem, Node* s1, Node* c1):
+ StrIntrinsicNode(control, char_array_mem, s1, c1, none) {};
+ virtual int Opcode() const;
+ virtual const Type* bottom_type() const { return TypeInt::BOOL; }
+};
+
+
+//------------------------------EncodeISOArray--------------------------------
+// encode char[] to byte[] in ISO_8859_1
+class EncodeISOArrayNode: public Node {
+ public:
+ EncodeISOArrayNode(Node* control, Node* arymem, Node* s1, Node* s2, Node* c): Node(control, arymem, s1, s2, c) {};
+ virtual int Opcode() const;
+ virtual bool depends_only_on_test() const { return false; }
+ virtual const Type* bottom_type() const { return TypeInt::INT; }
+ virtual const TypePtr* adr_type() const { return TypePtr::BOTTOM; }
+ virtual uint match_edge(uint idx) const;
+ virtual uint ideal_reg() const { return Op_RegI; }
+ virtual Node* Ideal(PhaseGVN* phase, bool can_reshape);
+ virtual const Type* Value(PhaseGVN* phase) const;
+};
+
+#endif // SHARE_VM_OPTO_INTRINSICNODE_HPP