43972
|
1 |
/*
|
|
2 |
* Copyright (c) 2009, 2015, 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 |
package org.graalvm.compiler.core.sparc;
|
|
25 |
|
|
26 |
import static jdk.vm.ci.sparc.SPARCKind.BYTE;
|
|
27 |
import static jdk.vm.ci.sparc.SPARCKind.HWORD;
|
|
28 |
import static jdk.vm.ci.sparc.SPARCKind.WORD;
|
|
29 |
import static jdk.vm.ci.sparc.SPARCKind.XWORD;
|
|
30 |
|
|
31 |
import org.graalvm.compiler.core.common.LIRKind;
|
|
32 |
import org.graalvm.compiler.core.gen.NodeMatchRules;
|
|
33 |
import org.graalvm.compiler.core.match.ComplexMatchResult;
|
|
34 |
import org.graalvm.compiler.core.match.MatchRule;
|
|
35 |
import org.graalvm.compiler.debug.GraalError;
|
|
36 |
import org.graalvm.compiler.lir.LIRFrameState;
|
|
37 |
import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
|
|
38 |
import org.graalvm.compiler.nodes.DeoptimizingNode;
|
|
39 |
import org.graalvm.compiler.nodes.calc.SignExtendNode;
|
|
40 |
import org.graalvm.compiler.nodes.calc.ZeroExtendNode;
|
|
41 |
import org.graalvm.compiler.nodes.memory.Access;
|
|
42 |
|
|
43 |
import jdk.vm.ci.sparc.SPARCKind;
|
|
44 |
|
|
45 |
/**
|
|
46 |
* This class implements the SPARC specific portion of the LIR generator.
|
|
47 |
*/
|
|
48 |
public class SPARCNodeMatchRules extends NodeMatchRules {
|
|
49 |
|
|
50 |
public SPARCNodeMatchRules(LIRGeneratorTool gen) {
|
|
51 |
super(gen);
|
|
52 |
}
|
|
53 |
|
|
54 |
protected LIRFrameState getState(Access access) {
|
|
55 |
if (access instanceof DeoptimizingNode) {
|
|
56 |
return state((DeoptimizingNode) access);
|
|
57 |
}
|
|
58 |
return null;
|
|
59 |
}
|
|
60 |
|
|
61 |
private ComplexMatchResult emitSignExtendMemory(Access access, int fromBits, int toBits) {
|
|
62 |
assert fromBits <= toBits && toBits <= 64;
|
|
63 |
SPARCKind toKind = null;
|
|
64 |
SPARCKind fromKind = null;
|
|
65 |
if (fromBits == toBits) {
|
|
66 |
return null;
|
|
67 |
}
|
|
68 |
toKind = toBits > 32 ? XWORD : WORD;
|
|
69 |
switch (fromBits) {
|
|
70 |
case 8:
|
|
71 |
fromKind = BYTE;
|
|
72 |
break;
|
|
73 |
case 16:
|
|
74 |
fromKind = HWORD;
|
|
75 |
break;
|
|
76 |
case 32:
|
|
77 |
fromKind = WORD;
|
|
78 |
break;
|
|
79 |
default:
|
|
80 |
throw GraalError.unimplemented("unsupported sign extension (" + fromBits + " bit -> " + toBits + " bit)");
|
|
81 |
}
|
|
82 |
SPARCKind localFromKind = fromKind;
|
|
83 |
SPARCKind localToKind = toKind;
|
|
84 |
return builder -> {
|
|
85 |
return getLIRGeneratorTool().emitSignExtendLoad(LIRKind.value(localFromKind), LIRKind.value(localToKind), operand(access.getAddress()), getState(access));
|
|
86 |
};
|
|
87 |
}
|
|
88 |
|
|
89 |
private ComplexMatchResult emitZeroExtendMemory(Access access, int fromBits, int toBits) {
|
|
90 |
assert fromBits <= toBits && toBits <= 64;
|
|
91 |
SPARCKind toKind = null;
|
|
92 |
SPARCKind fromKind = null;
|
|
93 |
if (fromBits == toBits) {
|
|
94 |
return null;
|
|
95 |
}
|
|
96 |
toKind = toBits > 32 ? XWORD : WORD;
|
|
97 |
switch (fromBits) {
|
|
98 |
case 8:
|
|
99 |
fromKind = BYTE;
|
|
100 |
break;
|
|
101 |
case 16:
|
|
102 |
fromKind = HWORD;
|
|
103 |
break;
|
|
104 |
case 32:
|
|
105 |
fromKind = WORD;
|
|
106 |
break;
|
|
107 |
default:
|
|
108 |
throw GraalError.unimplemented("unsupported sign extension (" + fromBits + " bit -> " + toBits + " bit)");
|
|
109 |
}
|
|
110 |
SPARCKind localFromKind = fromKind;
|
|
111 |
SPARCKind localToKind = toKind;
|
|
112 |
return builder -> {
|
|
113 |
// Loads are always zero extending load
|
|
114 |
return getLIRGeneratorTool().emitZeroExtendLoad(LIRKind.value(localFromKind), LIRKind.value(localToKind), operand(access.getAddress()), getState(access));
|
|
115 |
};
|
|
116 |
}
|
|
117 |
|
|
118 |
@MatchRule("(SignExtend Read=access)")
|
|
119 |
@MatchRule("(SignExtend FloatingRead=access)")
|
|
120 |
public ComplexMatchResult signExtend(SignExtendNode root, Access access) {
|
|
121 |
return emitSignExtendMemory(access, root.getInputBits(), root.getResultBits());
|
|
122 |
}
|
|
123 |
|
|
124 |
@MatchRule("(ZeroExtend Read=access)")
|
|
125 |
@MatchRule("(ZeroExtend FloatingRead=access)")
|
|
126 |
public ComplexMatchResult zeroExtend(ZeroExtendNode root, Access access) {
|
|
127 |
return emitZeroExtendMemory(access, root.getInputBits(), root.getResultBits());
|
|
128 |
}
|
|
129 |
|
|
130 |
@Override
|
|
131 |
public SPARCLIRGenerator getLIRGeneratorTool() {
|
|
132 |
return (SPARCLIRGenerator) super.getLIRGeneratorTool();
|
|
133 |
}
|
|
134 |
|
|
135 |
protected SPARCArithmeticLIRGenerator getArithmeticLIRGenerator() {
|
|
136 |
return (SPARCArithmeticLIRGenerator) getLIRGeneratorTool().getArithmetic();
|
|
137 |
}
|
|
138 |
}
|