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comparison src/share/vm/runtime/arguments.cpp @ 1871:75b0735b4d04

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Merge
author acorn
date Wed, 13 Oct 2010 11:46:46 -0400
parents b6aedd1acdc0 22e4420d19f7
children 4e22405d98d6
comparison
equal deleted inserted replaced
1870:c77b5c592eab 1871:75b0735b4d04
1264 1264
1265 bool verify_object_alignment() { 1265 bool verify_object_alignment() {
1266 // Object alignment. 1266 // Object alignment.
1267 if (!is_power_of_2(ObjectAlignmentInBytes)) { 1267 if (!is_power_of_2(ObjectAlignmentInBytes)) {
1268 jio_fprintf(defaultStream::error_stream(), 1268 jio_fprintf(defaultStream::error_stream(),
1269 "error: ObjectAlignmentInBytes=%d must be power of 2", (int)ObjectAlignmentInBytes); 1269 "error: ObjectAlignmentInBytes=%d must be power of 2\n",
1270 (int)ObjectAlignmentInBytes);
1270 return false; 1271 return false;
1271 } 1272 }
1272 if ((int)ObjectAlignmentInBytes < BytesPerLong) { 1273 if ((int)ObjectAlignmentInBytes < BytesPerLong) {
1273 jio_fprintf(defaultStream::error_stream(), 1274 jio_fprintf(defaultStream::error_stream(),
1274 "error: ObjectAlignmentInBytes=%d must be greater or equal %d", (int)ObjectAlignmentInBytes, BytesPerLong); 1275 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n",
1276 (int)ObjectAlignmentInBytes, BytesPerLong);
1277 return false;
1278 }
1279 // It does not make sense to have big object alignment
1280 // since a space lost due to alignment will be greater
1281 // then a saved space from compressed oops.
1282 if ((int)ObjectAlignmentInBytes > 256) {
1283 jio_fprintf(defaultStream::error_stream(),
1284 "error: ObjectAlignmentInBytes=%d must not be greater then 256\n",
1285 (int)ObjectAlignmentInBytes);
1286 return false;
1287 }
1288 // In case page size is very small.
1289 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) {
1290 jio_fprintf(defaultStream::error_stream(),
1291 "error: ObjectAlignmentInBytes=%d must be less then page size %d\n",
1292 (int)ObjectAlignmentInBytes, os::vm_page_size());
1275 return false; 1293 return false;
1276 } 1294 }
1277 return true; 1295 return true;
1278 } 1296 }
1279 1297