Mercurial > hg > truffle

comparison graal/com.oracle.jvmci.hotspot.sparc/src/com/oracle/jvmci/hotspot/sparc/SPARCHotSpotJVMCIBackendFactory.java @ 21675:2e8c01def9a5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
moved [AMD64|SPARC]HotSpotJVMCIBackendFactory into JVMCI namespace (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Wed, 03 Jun 2015 00:30:44 +0200
parents graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/jvmci/SPARCHotSpotJVMCIBackendFactory.java@e0b5d4fcd929
children
comparison
equal deleted inserted replaced
21674:e0b5d4fcd929 21675:2e8c01def9a5
1 /*
2 * Copyright (c) 2012, 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 package com.oracle.jvmci.hotspot.sparc;
24
25 import static com.oracle.jvmci.hotspot.InitTimer.*;
26
27 import java.util.*;
28
29 import com.oracle.jvmci.code.*;
30 import com.oracle.jvmci.hotspot.*;
31 import com.oracle.jvmci.runtime.*;
32 import com.oracle.jvmci.service.*;
33 import com.oracle.jvmci.sparc.*;
34 import com.oracle.jvmci.sparc.SPARC.CPUFeature;
35
36 @ServiceProvider(HotSpotJVMCIBackendFactory.class)
37 public class SPARCHotSpotJVMCIBackendFactory implements HotSpotJVMCIBackendFactory {
38
39 protected Architecture createArchitecture(HotSpotVMConfig config) {
40 return new SPARC(computeFeatures(config));
41 }
42
43 protected TargetDescription createTarget(HotSpotVMConfig config) {
44 final int stackFrameAlignment = 16;
45 final int implicitNullCheckLimit = 4096;
46 final boolean inlineObjects = true;
47 return new HotSpotTargetDescription(createArchitecture(config), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects);
48 }
49
50 protected HotSpotCodeCacheProvider createCodeCache(HotSpotJVMCIRuntimeProvider runtime, TargetDescription target, RegisterConfig regConfig) {
51 return new HotSpotCodeCacheProvider(runtime, runtime.getConfig(), target, regConfig);
52 }
53
54 protected EnumSet<CPUFeature> computeFeatures(HotSpotVMConfig config) {
55 EnumSet<CPUFeature> features = EnumSet.noneOf(CPUFeature.class);
56 if ((config.sparcFeatures & config.vis1Instructions) != 0) {
57 features.add(CPUFeature.VIS1);
58 }
59 if ((config.sparcFeatures & config.vis2Instructions) != 0) {
60 features.add(CPUFeature.VIS2);
61 }
62 if ((config.sparcFeatures & config.vis3Instructions) != 0) {
63 features.add(CPUFeature.VIS3);
64 }
65 if ((config.sparcFeatures & config.cbcondInstructions) != 0) {
66 features.add(CPUFeature.CBCOND);
67 }
68 return features;
69 }
70
71 public String getArchitecture() {
72 return "SPARC";
73 }
74
75 @Override
76 public String toString() {
77 return getJVMCIRuntimeName() + ":" + getArchitecture();
78 }
79
80 public JVMCIBackend createJVMCIBackend(HotSpotJVMCIRuntimeProvider runtime, JVMCIBackend host) {
81 assert host == null;
82 TargetDescription target = createTarget(runtime.getConfig());
83
84 HotSpotMetaAccessProvider metaAccess = new HotSpotMetaAccessProvider(runtime);
85 RegisterConfig regConfig = new SPARCHotSpotRegisterConfig(target, runtime.getConfig());
86 HotSpotCodeCacheProvider codeCache = createCodeCache(runtime, target, regConfig);
87 HotSpotConstantReflectionProvider constantReflection = new HotSpotConstantReflectionProvider(runtime);
88 try (InitTimer rt = timer("instantiate backend")) {
89 return createBackend(metaAccess, codeCache, constantReflection);
90 }
91 }
92
93 protected JVMCIBackend createBackend(HotSpotMetaAccessProvider metaAccess, HotSpotCodeCacheProvider codeCache, HotSpotConstantReflectionProvider constantReflection) {
94 return new JVMCIBackend(metaAccess, codeCache, constantReflection);
95 }
96
97 public String getJVMCIRuntimeName() {
98 return "basic";
99 }
100 }