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changeset 18630:7cd79d18f71a

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[SPARC] fix concurrency issues in register configuration caching (Use concurrenthashmap)
author Stefan Anzinger <stefan.a.anzinger@oracle.com>
date Thu, 04 Dec 2014 23:30:52 +0100
parents caad1a70312d
children 12bad81babff
files graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotRegisterConfig.java
diffstat 1 files changed, 2 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotRegisterConfig.java	Wed Dec 03 10:59:04 2014 +0100
+++ b/graal/com.oracle.graal.hotspot.sparc/src/com/oracle/graal/hotspot/sparc/SPARCHotSpotRegisterConfig.java	Thu Dec 04 23:30:52 2014 +0100
@@ -26,6 +26,7 @@
 import static com.oracle.graal.sparc.SPARC.*;
 
 import java.util.*;
+import java.util.concurrent.*;
 
 import com.oracle.graal.api.code.*;
 import com.oracle.graal.api.code.CallingConvention.Type;
@@ -42,7 +43,7 @@
 
     private final Register[] allocatable;
 
-    private final HashMap<PlatformKind, Register[]> categorized = new HashMap<>();
+    private final Map<PlatformKind, Register[]> categorized = new ConcurrentHashMap<>(20);
 
     private final RegisterAttributes[] attributesMap;