Mercurial > hg > truffle
changeset 21213:0028ab94d268
Make cache in HotSpotConstantPool.lookupType thread safe.
author | Stefan Anzinger <stefan.anzinger@oracle.com> |
---|---|
date | Mon, 04 May 2015 19:12:50 +0200 |
parents | 9a7125f0eeda |
children | bfb6e742ad0a |
files | graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotConstantPool.java |
diffstat | 1 files changed, 4 insertions(+), 2 deletions(-) [+] |
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--- a/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotConstantPool.java Mon May 04 09:10:52 2015 +0200 +++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotConstantPool.java Mon May 04 19:12:50 2015 +0200 @@ -489,8 +489,10 @@ @Override public JavaType lookupType(int cpi, int opcode) { - if (cpi == this.lastTypeCpi) { - return this.lastType; + synchronized (this) { + if (cpi == this.lastTypeCpi) { + return this.lastType; + } } final long metaspacePointer = runtime().getCompilerToVM().lookupKlassInPool(metaspaceConstantPool, cpi); JavaType result = getJavaType(metaspacePointer);