Mercurial > hg > truffle
annotate graal/GraalCompiler/src/com/sun/c1x/lir/LIROp3.java @ 2789:aeccd2af4e9e
Fixes around critical edge split and placeholder removal after goto removal.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Wed, 25 May 2011 16:48:28 +0200 |
parents | 16b9a8b5ad39 |
children |
rev | line source |
---|---|
2507
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
1 /* |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
2 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
4 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
8 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
13 * accompanied this code). |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
14 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
18 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
21 * questions. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
22 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
23 package com.sun.c1x.lir; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
24 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
25 import com.sun.cri.ci.*; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
26 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
27 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
28 * The {@code LIROp3} class definition. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
29 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
30 * @author Marcelo Cintra |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
31 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
32 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
33 public class LIROp3 extends LIRInstruction { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
34 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
35 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
36 * Creates a new LIROp3 instruction. A LIROp3 instruction represents a LIR instruction |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
37 * that has three input operands. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
38 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
39 * @param opcode the instruction's opcode |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
40 * @param opr1 the first input operand |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
41 * @param opr2 the second input operand |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
42 * @param opr3 the third input operand |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
43 * @param result the result operand |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
44 * @param info the debug information, used for deoptimization, associated to this instruction |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
45 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
46 public LIROp3(LIROpcode opcode, CiValue opr1, CiValue opr2, CiValue opr3, CiValue result, LIRDebugInfo info) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
47 super(opcode, result, info, false, 1, 1, opr1, opr2, opr3); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
48 assert isInRange(opcode, LIROpcode.BeginOp3, LIROpcode.EndOp3) : "The " + opcode + " is not a valid LIROp3 opcode"; |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
49 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
50 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
51 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
52 * Gets the opr1 of this class. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
53 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
54 * @return the opr1 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
55 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
56 public CiValue opr1() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
57 return operand(0); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
58 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
59 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
60 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
61 * Gets the opr2 of this class. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
62 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
63 * @return the opr2 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
64 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
65 public CiValue opr2() { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
66 return operand(1); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
67 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
68 |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
69 /** |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
70 * Emits assembly code for this instruction. |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
71 * |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
72 * @param masm the target assembler |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
73 */ |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
74 @Override |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
75 public void emitCode(LIRAssembler masm) { |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
76 masm.emitOp3(this); |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
77 } |
9ec15d6914ca
Pull over of compiler from maxine repository.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
diff
changeset
|
78 } |