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comparison agent/src/share/classes/sun/jvm/hotspot/oops/Oop.java @ 1571:2d127394260e

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6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb Summary: Added new product ObjectAlignmentInBytes flag to control object alignment. Reviewed-by: twisti, ysr, iveresov
author kvn
date Thu, 27 May 2010 18:01:56 -0700
parents d1605aabd0a1
children e9ff18c4ace7
comparison
equal deleted inserted replaced
1570:de91a2f25c7e 1571:2d127394260e
126 public boolean isConstantPoolCache() { return false; } 126 public boolean isConstantPoolCache() { return false; }
127 public boolean isCompiledICHolder() { return false; } 127 public boolean isCompiledICHolder() { return false; }
128 128
129 // Align the object size. 129 // Align the object size.
130 public static long alignObjectSize(long size) { 130 public static long alignObjectSize(long size) {
131 return VM.getVM().alignUp(size, VM.getVM().getMinObjAlignment()); 131 return VM.getVM().alignUp(size, VM.getVM().getMinObjAlignmentInBytes());
132 } 132 }
133 133
134 // All vm's align longs, so pad out certain offsets. 134 // All vm's align longs, so pad out certain offsets.
135 public static long alignObjectOffset(long offset) { 135 public static long alignObjectOffset(long offset) {
136 return VM.getVM().alignUp(offset, VM.getVM().getBytesPerLong()); 136 return VM.getVM().alignUp(offset, VM.getVM().getBytesPerLong());