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Issue 24584004: Remove unused function MoveBytes(). (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 2 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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96 buffer.Dispose(); 96 buffer.Dispose();
97 } 97 }
98 } 98 }
99 99
100 100
101 static const int kAreaSize = 512; 101 static const int kAreaSize = 512;
102 102
103 103
104 void TestMemMove(byte* area1, 104 void TestMemMove(byte* area1,
105 byte* area2, 105 byte* area2,
106 byte* area3,
107 int src_offset, 106 int src_offset,
108 int dest_offset, 107 int dest_offset,
109 int length) { 108 int length) {
110 for (int i = 0; i < kAreaSize; i++) { 109 for (int i = 0; i < kAreaSize; i++) {
111 area1[i] = i & 0xFF; 110 area1[i] = i & 0xFF;
112 area2[i] = i & 0xFF; 111 area2[i] = i & 0xFF;
113 area3[i] = i & 0xFF;
114 } 112 }
115 OS::MemMove(area1 + dest_offset, area1 + src_offset, length); 113 OS::MemMove(area1 + dest_offset, area1 + src_offset, length);
116 MoveBytes(area2 + dest_offset, area2 + src_offset, length); 114 memmove(area2 + dest_offset, area2 + src_offset, length);
117 memmove(area3 + dest_offset, area3 + src_offset, length); 115 if (memcmp(area1, area2, kAreaSize) != 0) {
118 if (memcmp(area1, area3, kAreaSize) != 0) {
119 printf("OS::MemMove(): src_offset: %d, dest_offset: %d, length: %d\n", 116 printf("OS::MemMove(): src_offset: %d, dest_offset: %d, length: %d\n",
120 src_offset, dest_offset, length); 117 src_offset, dest_offset, length);
121 for (int i = 0; i < kAreaSize; i++) { 118 for (int i = 0; i < kAreaSize; i++) {
122 if (area1[i] == area3[i]) continue; 119 if (area1[i] == area2[i]) continue;
123 printf("diff at offset %d (%p): is %d, should be %d\n", 120 printf("diff at offset %d (%p): is %d, should be %d\n",
124 i, reinterpret_cast<void*>(area1 + i), area1[i], area3[i]); 121 i, reinterpret_cast<void*>(area1 + i), area1[i], area2[i]);
125 } 122 }
126 CHECK(false); 123 CHECK(false);
127 } 124 }
128 if (memcmp(area2, area3, kAreaSize) != 0) {
129 printf("MoveBytes(): src_offset: %d, dest_offset: %d, length: %d\n",
130 src_offset, dest_offset, length);
131 for (int i = 0; i < kAreaSize; i++) {
132 if (area2[i] == area3[i]) continue;
133 printf("diff at offset %d (%p): is %d, should be %d\n",
134 i, reinterpret_cast<void*>(area2 + i), area2[i], area3[i]);
135 }
136 CHECK(false);
137 }
138 } 125 }
139 126
140 127
141 TEST(MemMove) { 128 TEST(MemMove) {
142 v8::V8::Initialize(); 129 v8::V8::Initialize();
143 byte* area1 = new byte[kAreaSize]; 130 byte* area1 = new byte[kAreaSize];
144 byte* area2 = new byte[kAreaSize]; 131 byte* area2 = new byte[kAreaSize];
145 byte* area3 = new byte[kAreaSize];
146 132
147 static const int kMinOffset = 32; 133 static const int kMinOffset = 32;
148 static const int kMaxOffset = 64; 134 static const int kMaxOffset = 64;
149 static const int kMaxLength = 128; 135 static const int kMaxLength = 128;
150 STATIC_ASSERT(kMaxOffset + kMaxLength < kAreaSize); 136 STATIC_ASSERT(kMaxOffset + kMaxLength < kAreaSize);
151 137
152 for (int src_offset = kMinOffset; src_offset <= kMaxOffset; src_offset++) { 138 for (int src_offset = kMinOffset; src_offset <= kMaxOffset; src_offset++) {
153 for (int dst_offset = kMinOffset; dst_offset <= kMaxOffset; dst_offset++) { 139 for (int dst_offset = kMinOffset; dst_offset <= kMaxOffset; dst_offset++) {
154 for (int length = 0; length <= kMaxLength; length++) { 140 for (int length = 0; length <= kMaxLength; length++) {
155 TestMemMove(area1, area2, area3, src_offset, dst_offset, length); 141 TestMemMove(area1, area2, src_offset, dst_offset, length);
156 } 142 }
157 } 143 }
158 } 144 }
159 delete[] area1; 145 delete[] area1;
160 delete[] area2; 146 delete[] area2;
161 delete[] area3;
162 } 147 }
163 148
164 149
165 TEST(Collector) { 150 TEST(Collector) {
166 Collector<int> collector(8); 151 Collector<int> collector(8);
167 const int kLoops = 5; 152 const int kLoops = 5;
168 const int kSequentialSize = 1000; 153 const int kSequentialSize = 1000;
169 const int kBlockSize = 7; 154 const int kBlockSize = 7;
170 for (int loop = 0; loop < kLoops; loop++) { 155 for (int loop = 0; loop < kLoops; loop++) {
171 Vector<int> block = collector.AddBlock(7, 0xbadcafe); 156 Vector<int> block = collector.AddBlock(7, 0xbadcafe);
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226 TEST(SequenceCollectorRegression) { 211 TEST(SequenceCollectorRegression) {
227 SequenceCollector<char> collector(16); 212 SequenceCollector<char> collector(16);
228 collector.StartSequence(); 213 collector.StartSequence();
229 collector.Add('0'); 214 collector.Add('0');
230 collector.AddBlock( 215 collector.AddBlock(
231 i::Vector<const char>("12345678901234567890123456789012", 32)); 216 i::Vector<const char>("12345678901234567890123456789012", 32));
232 i::Vector<char> seq = collector.EndSequence(); 217 i::Vector<char> seq = collector.EndSequence();
233 CHECK_EQ(0, strncmp("0123456789012345678901234567890123", 218 CHECK_EQ(0, strncmp("0123456789012345678901234567890123",
234 seq.start(), seq.length())); 219 seq.start(), seq.length()));
235 } 220 }
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