1 /*
2 * Copyright (c) 2012, 2014, 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.graal.hotspot.hsail.replacements;
24
25 import com.oracle.graal.api.code.*;
26 import com.oracle.graal.api.meta.*;
27 import com.oracle.graal.nodes.java.*;
28 import com.oracle.graal.replacements.Snippet.Fold;
29 import com.oracle.graal.word.*;
30 import com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil;
31 import com.oracle.graal.hotspot.meta.*;
32
33 //JaCoCo Exclude
34
35 /**
36 * A collection of methods used in HSAIL-specific snippets and substitutions.
37 */
38 public class HSAILHotSpotReplacementsUtil extends HotSpotReplacementsUtil {
39
40 private static HotSpotRegistersProvider hsailRegisters;
41
42 public static void initialize(HotSpotRegistersProvider registers) {
43 hsailRegisters = registers;
44 }
45
46 public static final LocationIdentity TLAB_INFO_LOCATION = new NamedLocationIdentity("TlabInfo");
47 public static final LocationIdentity TLABINFO_LASTGOODTOP_LOCATION = new NamedLocationIdentity("TlabInfoLastGoodTop");
48 public static final LocationIdentity TLABINFO_END_LOCATION = new NamedLocationIdentity("TlabInfoEnd");
49 public static final LocationIdentity TLABINFO_TOP_LOCATION = new NamedLocationIdentity("TlabInfoTop");
50 public static final LocationIdentity TLABINFO_START_LOCATION = new NamedLocationIdentity("TlabInfoStart");
51 public static final LocationIdentity TLABINFO_ALLOCINFO_LOCATION = new NamedLocationIdentity("TlabInfoAllocInfo");
52 public static final LocationIdentity TLABINFO_ORIGINALTOP_LOCATION = new NamedLocationIdentity("TlabInfoOriginalTop");
53 public static final LocationIdentity TLABINFO_TLAB_LOCATION = new NamedLocationIdentity("TlabInfoTlab");
54
55 public static final LocationIdentity ALLOCINFO_TLABINFOSPOOLNEXT_LOCATION = new NamedLocationIdentity("AllocInfoTlabInfosPoolNext");
56 public static final LocationIdentity ALLOCINFO_TLABINFOSPOOLEND_LOCATION = new NamedLocationIdentity("AllocInfoTlabInfosPoolEnd");
57 public static final LocationIdentity ALLOCINFO_TLABALIGNRESERVEBYTES_LOCATION = new NamedLocationIdentity("AllocInfoTlabAlignreservebytes");
58
59 /**
60 * Gets the value of the thread register as a Word. There is a level of indirection here. Thread
61 * register actually points to a holder for tlab info.
62 */
63 public static Word getTlabInfoPtr() {
64 Word threadRegAsWord = registerAsWord(threadRegister(), true, false);
65 return threadRegAsWord.readWord(0, TLAB_INFO_LOCATION);
66 }
67
68 public static Word getTlabInfoPtrLoadAcquire() {
69 Word threadRegAsWord = registerAsWord(threadRegister(), true, false);
70 return Word.unsigned(HSAILDirectLoadAcquireNode.loadAcquireLong(threadRegAsWord));
71 }
72
73 public static void writeTlabInfoPtrStoreRelease(Word val) {
74 // this only gets done in the waiting loop so we will always use Store Release
75 Word threadRegAsWord = registerAsWord(threadRegister(), true, false);
76 HSAILDirectStoreReleaseNode.storeReleaseLong(threadRegAsWord, val.rawValue());
77 }
78
79 @Fold
80 public static Register threadRegister() {
81 return hsailRegisters.getThreadRegister();
82 }
83
84 public static Word atomicGetAndAddTlabInfoTop(Word tlabInfo, int delta) {
85 return Word.unsigned(AtomicReadAndAddNode.getAndAddLong(null, tlabInfo.rawValue() + config().hsailTlabInfoTopOffset, delta, TLABINFO_TOP_LOCATION));
86 }
87
88 public static Word readTlabInfoEnd(Word tlabInfo) {
89 return tlabInfo.readWord(config().hsailTlabInfoEndOffset, TLABINFO_END_LOCATION);
90 }
91
92 public static Word readTlabInfoStart(Word tlabInfo) {
93 return tlabInfo.readWord(config().hsailTlabInfoStartOffset, TLABINFO_START_LOCATION);
94 }
95
96 public static void writeTlabInfoLastGoodTop(Word tlabInfo, Word val) {
97 tlabInfo.writeWord(config().hsailTlabInfoLastGoodTopOffset, val, TLABINFO_LASTGOODTOP_LOCATION);
98 }
99
100 public static void writeTlabInfoStart(Word tlabInfo, Word val) {
101 tlabInfo.writeWord(config().hsailTlabInfoStartOffset, val, TLABINFO_START_LOCATION);
102 }
103
104 public static void writeTlabInfoTop(Word tlabInfo, Word val) {
105 tlabInfo.writeWord(config().hsailTlabInfoTopOffset, val, TLABINFO_TOP_LOCATION);
106 }
107
108 public static void writeTlabInfoEnd(Word tlabInfo, Word val) {
109 tlabInfo.writeWord(config().hsailTlabInfoEndOffset, val, TLABINFO_END_LOCATION);
110 }
111
112 public static Word readTlabInfoAllocInfo(Word tlabInfo) {
113 return tlabInfo.readWord(config().hsailTlabInfoAllocInfoOffset, TLABINFO_ALLOCINFO_LOCATION);
114 }
115
116 public static void writeTlabInfoAllocInfo(Word tlabInfo, Word val) {
117 tlabInfo.writeWord(config().hsailTlabInfoAllocInfoOffset, val, TLABINFO_ALLOCINFO_LOCATION);
118 }
119
120 public static void writeTlabInfoOriginalTop(Word tlabInfo, Word val) {
121 tlabInfo.writeWord(config().hsailTlabInfoOriginalTopOffset, val, TLABINFO_ORIGINALTOP_LOCATION);
122 }
123
124 public static void writeTlabInfoTlab(Word tlabInfo, Word val) {
125 tlabInfo.writeWord(config().hsailTlabInfoTlabOffset, val, TLABINFO_TLAB_LOCATION);
126 }
127
128 public static Word readTlabInfoTlab(Word tlabInfo) {
129 return tlabInfo.readWord(config().hsailTlabInfoTlabOffset, TLABINFO_TLAB_LOCATION);
130 }
131
132 public static Word readAllocInfoTlabInfosPoolEnd(Word allocInfo) {
133 return allocInfo.readWord(config().hsailAllocInfoTlabInfosPoolEndOffset, ALLOCINFO_TLABINFOSPOOLEND_LOCATION);
134 }
135
136 public static Word readAllocInfoTlabAlignReserveBytes(Word allocInfo) {
137 return allocInfo.readWord(config().hsailAllocInfoTlabAlignReserveBytesOffset, ALLOCINFO_TLABALIGNRESERVEBYTES_LOCATION);
138 }
139
140 public static Word atomicGetAndAddAllocInfoTlabInfosPoolNext(Word allocInfo, int delta) {
141 return Word.unsigned(AtomicReadAndAddNode.getAndAddLong(null, allocInfo.rawValue() + config().hsailAllocInfoTlabInfosPoolNextOffset, delta, ALLOCINFO_TLABINFOSPOOLNEXT_LOCATION));
142 }
143
144 }