|
0
|
1 /*
|
|
196
|
2 * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
|
|
0
|
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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
|
20 * CA 95054 USA or visit www.sun.com if you need additional information or
|
|
|
21 * have any questions.
|
|
|
22 *
|
|
|
23 */
|
|
|
24
|
|
|
25 // Portions of code courtesy of Clifford Click
|
|
|
26
|
|
|
27 class PhaseTransform;
|
|
|
28
|
|
|
29 //------------------------------MulNode----------------------------------------
|
|
|
30 // Classic MULTIPLY functionality. This covers all the usual 'multiply'
|
|
|
31 // behaviors for an algebraic ring. Multiply-integer, multiply-float,
|
|
|
32 // multiply-double, and binary-and are all inherited from this class. The
|
|
|
33 // various identity values are supplied by virtual functions.
|
|
|
34 class MulNode : public Node {
|
|
|
35 virtual uint hash() const;
|
|
|
36 public:
|
|
|
37 MulNode( Node *in1, Node *in2 ): Node(0,in1,in2) {
|
|
|
38 init_class_id(Class_Mul);
|
|
|
39 }
|
|
|
40
|
|
|
41 // Handle algebraic identities here. If we have an identity, return the Node
|
|
|
42 // we are equivalent to. We look for "add of zero" as an identity.
|
|
|
43 virtual Node *Identity( PhaseTransform *phase );
|
|
|
44
|
|
|
45 // We also canonicalize the Node, moving constants to the right input,
|
|
|
46 // and flatten expressions (so that 1+x+2 becomes x+3).
|
|
|
47 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
|
|
|
48
|
|
|
49 // Compute a new Type for this node. Basically we just do the pre-check,
|
|
|
50 // then call the virtual add() to set the type.
|
|
|
51 virtual const Type *Value( PhaseTransform *phase ) const;
|
|
|
52
|
|
|
53 // Supplied function returns the product of the inputs.
|
|
|
54 // This also type-checks the inputs for sanity. Guaranteed never to
|
|
|
55 // be passed a TOP or BOTTOM type, these are filtered out by a pre-check.
|
|
|
56 // This call recognizes the multiplicative zero type.
|
|
|
57 virtual const Type *mul_ring( const Type *, const Type * ) const = 0;
|
|
|
58
|
|
|
59 // Supplied function to return the multiplicative identity type
|
|
|
60 virtual const Type *mul_id() const = 0;
|
|
|
61
|
|
|
62 // Supplied function to return the additive identity type
|
|
|
63 virtual const Type *add_id() const = 0;
|
|
|
64
|
|
|
65 // Supplied function to return the additive opcode
|
|
|
66 virtual int add_opcode() const = 0;
|
|
|
67
|
|
|
68 // Supplied function to return the multiplicative opcode
|
|
|
69 virtual int mul_opcode() const = 0;
|
|
|
70
|
|
|
71 };
|
|
|
72
|
|
|
73 //------------------------------MulINode---------------------------------------
|
|
|
74 // Multiply 2 integers
|
|
|
75 class MulINode : public MulNode {
|
|
|
76 public:
|
|
|
77 MulINode( Node *in1, Node *in2 ) : MulNode(in1,in2) {}
|
|
|
78 virtual int Opcode() const;
|
|
|
79 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
|
|
|
80 virtual const Type *mul_ring( const Type *, const Type * ) const;
|
|
|
81 const Type *mul_id() const { return TypeInt::ONE; }
|
|
|
82 const Type *add_id() const { return TypeInt::ZERO; }
|
|
|
83 int add_opcode() const { return Op_AddI; }
|
|
|
84 int mul_opcode() const { return Op_MulI; }
|
|
|
85 const Type *bottom_type() const { return TypeInt::INT; }
|
|
|
86 virtual uint ideal_reg() const { return Op_RegI; }
|
|
|
87 };
|
|
|
88
|
|
|
89 //------------------------------MulLNode---------------------------------------
|
|
|
90 // Multiply 2 longs
|
|
|
91 class MulLNode : public MulNode {
|
|
|
92 public:
|
|
|
93 MulLNode( Node *in1, Node *in2 ) : MulNode(in1,in2) {}
|
|
|
94 virtual int Opcode() const;
|
|
|
95 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
|
|
|
96 virtual const Type *mul_ring( const Type *, const Type * ) const;
|
|
|
97 const Type *mul_id() const { return TypeLong::ONE; }
|
|
|
98 const Type *add_id() const { return TypeLong::ZERO; }
|
|
|
99 int add_opcode() const { return Op_AddL; }
|
|
|
100 int mul_opcode() const { return Op_MulL; }
|
|
|
101 const Type *bottom_type() const { return TypeLong::LONG; }
|
|
|
102 virtual uint ideal_reg() const { return Op_RegL; }
|
|
|
103 };
|
|
|
104
|
|
|
105
|
|
|
106 //------------------------------MulFNode---------------------------------------
|
|
|
107 // Multiply 2 floats
|
|
|
108 class MulFNode : public MulNode {
|
|
|
109 public:
|
|
|
110 MulFNode( Node *in1, Node *in2 ) : MulNode(in1,in2) {}
|
|
|
111 virtual int Opcode() const;
|
|
|
112 virtual const Type *mul_ring( const Type *, const Type * ) const;
|
|
|
113 const Type *mul_id() const { return TypeF::ONE; }
|
|
|
114 const Type *add_id() const { return TypeF::ZERO; }
|
|
|
115 int add_opcode() const { return Op_AddF; }
|
|
|
116 int mul_opcode() const { return Op_MulF; }
|
|
|
117 const Type *bottom_type() const { return Type::FLOAT; }
|
|
|
118 virtual uint ideal_reg() const { return Op_RegF; }
|
|
|
119 };
|
|
|
120
|
|
|
121 //------------------------------MulDNode---------------------------------------
|
|
|
122 // Multiply 2 doubles
|
|
|
123 class MulDNode : public MulNode {
|
|
|
124 public:
|
|
|
125 MulDNode( Node *in1, Node *in2 ) : MulNode(in1,in2) {}
|
|
|
126 virtual int Opcode() const;
|
|
|
127 virtual const Type *mul_ring( const Type *, const Type * ) const;
|
|
|
128 const Type *mul_id() const { return TypeD::ONE; }
|
|
|
129 const Type *add_id() const { return TypeD::ZERO; }
|
|
|
130 int add_opcode() const { return Op_AddD; }
|
|
|
131 int mul_opcode() const { return Op_MulD; }
|
|
|
132 const Type *bottom_type() const { return Type::DOUBLE; }
|
|
|
133 virtual uint ideal_reg() const { return Op_RegD; }
|
|
|
134 };
|
|
|
135
|
|
145
|
136 //-------------------------------MulHiLNode------------------------------------
|
|
|
137 // Upper 64 bits of a 64 bit by 64 bit multiply
|
|
|
138 class MulHiLNode : public Node {
|
|
|
139 public:
|
|
|
140 MulHiLNode( Node *in1, Node *in2 ) : Node(0,in1,in2) {}
|
|
|
141 virtual int Opcode() const;
|
|
|
142 virtual const Type *Value( PhaseTransform *phase ) const;
|
|
|
143 const Type *bottom_type() const { return TypeLong::LONG; }
|
|
|
144 virtual uint ideal_reg() const { return Op_RegL; }
|
|
|
145 };
|
|
0
|
146
|
|
|
147 //------------------------------AndINode---------------------------------------
|
|
|
148 // Logically AND 2 integers. Included with the MUL nodes because it inherits
|
|
|
149 // all the behavior of multiplication on a ring.
|
|
|
150 class AndINode : public MulINode {
|
|
|
151 public:
|
|
|
152 AndINode( Node *in1, Node *in2 ) : MulINode(in1,in2) {}
|
|
|
153 virtual int Opcode() const;
|
|
|
154 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
|
|
|
155 virtual Node *Identity( PhaseTransform *phase );
|
|
|
156 virtual const Type *mul_ring( const Type *, const Type * ) const;
|
|
|
157 const Type *mul_id() const { return TypeInt::MINUS_1; }
|
|
|
158 const Type *add_id() const { return TypeInt::ZERO; }
|
|
|
159 int add_opcode() const { return Op_OrI; }
|
|
|
160 int mul_opcode() const { return Op_AndI; }
|
|
|
161 virtual uint ideal_reg() const { return Op_RegI; }
|
|
|
162 };
|
|
|
163
|
|
|
164 //------------------------------AndINode---------------------------------------
|
|
|
165 // Logically AND 2 longs. Included with the MUL nodes because it inherits
|
|
|
166 // all the behavior of multiplication on a ring.
|
|
|
167 class AndLNode : public MulLNode {
|
|
|
168 public:
|
|
|
169 AndLNode( Node *in1, Node *in2 ) : MulLNode(in1,in2) {}
|
|
|
170 virtual int Opcode() const;
|
|
|
171 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
|
|
|
172 virtual Node *Identity( PhaseTransform *phase );
|
|
|
173 virtual const Type *mul_ring( const Type *, const Type * ) const;
|
|
|
174 const Type *mul_id() const { return TypeLong::MINUS_1; }
|
|
|
175 const Type *add_id() const { return TypeLong::ZERO; }
|
|
|
176 int add_opcode() const { return Op_OrL; }
|
|
|
177 int mul_opcode() const { return Op_AndL; }
|
|
|
178 virtual uint ideal_reg() const { return Op_RegL; }
|
|
|
179 };
|
|
|
180
|
|
|
181 //------------------------------LShiftINode------------------------------------
|
|
|
182 // Logical shift left
|
|
|
183 class LShiftINode : public Node {
|
|
|
184 public:
|
|
|
185 LShiftINode( Node *in1, Node *in2 ) : Node(0,in1,in2) {}
|
|
|
186 virtual int Opcode() const;
|
|
|
187 virtual Node *Identity( PhaseTransform *phase );
|
|
|
188 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
|
|
|
189 virtual const Type *Value( PhaseTransform *phase ) const;
|
|
|
190 const Type *bottom_type() const { return TypeInt::INT; }
|
|
|
191 virtual uint ideal_reg() const { return Op_RegI; }
|
|
|
192 };
|
|
|
193
|
|
|
194 //------------------------------LShiftLNode------------------------------------
|
|
|
195 // Logical shift left
|
|
|
196 class LShiftLNode : public Node {
|
|
|
197 public:
|
|
|
198 LShiftLNode( Node *in1, Node *in2 ) : Node(0,in1,in2) {}
|
|
|
199 virtual int Opcode() const;
|
|
|
200 virtual Node *Identity( PhaseTransform *phase );
|
|
|
201 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
|
|
|
202 virtual const Type *Value( PhaseTransform *phase ) const;
|
|
|
203 const Type *bottom_type() const { return TypeLong::LONG; }
|
|
|
204 virtual uint ideal_reg() const { return Op_RegL; }
|
|
|
205 };
|
|
|
206
|
|
|
207 //------------------------------RShiftINode------------------------------------
|
|
|
208 // Signed shift right
|
|
|
209 class RShiftINode : public Node {
|
|
|
210 public:
|
|
|
211 RShiftINode( Node *in1, Node *in2 ) : Node(0,in1,in2) {}
|
|
|
212 virtual int Opcode() const;
|
|
|
213 virtual Node *Identity( PhaseTransform *phase );
|
|
|
214 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
|
|
|
215 virtual const Type *Value( PhaseTransform *phase ) const;
|
|
|
216 const Type *bottom_type() const { return TypeInt::INT; }
|
|
|
217 virtual uint ideal_reg() const { return Op_RegI; }
|
|
|
218 };
|
|
|
219
|
|
|
220 //------------------------------RShiftLNode------------------------------------
|
|
|
221 // Signed shift right
|
|
|
222 class RShiftLNode : public Node {
|
|
|
223 public:
|
|
|
224 RShiftLNode( Node *in1, Node *in2 ) : Node(0,in1,in2) {}
|
|
|
225 virtual int Opcode() const;
|
|
|
226 virtual Node *Identity( PhaseTransform *phase );
|
|
|
227 virtual const Type *Value( PhaseTransform *phase ) const;
|
|
|
228 const Type *bottom_type() const { return TypeLong::LONG; }
|
|
|
229 virtual uint ideal_reg() const { return Op_RegL; }
|
|
|
230 };
|
|
|
231
|
|
|
232
|
|
|
233 //------------------------------URShiftINode-----------------------------------
|
|
|
234 // Logical shift right
|
|
|
235 class URShiftINode : public Node {
|
|
|
236 public:
|
|
|
237 URShiftINode( Node *in1, Node *in2 ) : Node(0,in1,in2) {}
|
|
|
238 virtual int Opcode() const;
|
|
|
239 virtual Node *Identity( PhaseTransform *phase );
|
|
|
240 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
|
|
|
241 virtual const Type *Value( PhaseTransform *phase ) const;
|
|
|
242 const Type *bottom_type() const { return TypeInt::INT; }
|
|
|
243 virtual uint ideal_reg() const { return Op_RegI; }
|
|
|
244 };
|
|
|
245
|
|
|
246 //------------------------------URShiftLNode-----------------------------------
|
|
|
247 // Logical shift right
|
|
|
248 class URShiftLNode : public Node {
|
|
|
249 public:
|
|
|
250 URShiftLNode( Node *in1, Node *in2 ) : Node(0,in1,in2) {}
|
|
|
251 virtual int Opcode() const;
|
|
|
252 virtual Node *Identity( PhaseTransform *phase );
|
|
|
253 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
|
|
|
254 virtual const Type *Value( PhaseTransform *phase ) const;
|
|
|
255 const Type *bottom_type() const { return TypeLong::LONG; }
|
|
|
256 virtual uint ideal_reg() const { return Op_RegL; }
|
|
|
257 };
|
